PackageManagerService.java revision ad11eb52fe62b6696df2194cb9e176f7d799e844 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server.pm;
18
19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS;
20import static android.Manifest.permission.READ_EXTERNAL_STORAGE;
21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED;
24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER;
25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
26import static android.content.pm.PackageManager.INSTALL_EXTERNAL;
27import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
28import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER;
29import static android.content.pm.PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE;
30import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT;
31import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE;
32import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION;
33import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
34import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
35import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK;
36import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
37import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY;
38import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED;
39import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE;
40import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE;
41import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY;
42import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED;
43import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE;
44import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED;
45import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK;
46import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES;
47import static android.content.pm.PackageParser.isApkFile;
48import static android.os.Process.PACKAGE_INFO_GID;
49import static android.os.Process.SYSTEM_UID;
50import static android.system.OsConstants.O_CREAT;
51import static android.system.OsConstants.O_RDWR;
52import static android.system.OsConstants.S_IRGRP;
53import static android.system.OsConstants.S_IROTH;
54import static android.system.OsConstants.S_IRWXU;
55import static android.system.OsConstants.S_IXGRP;
56import static android.system.OsConstants.S_IXOTH;
57import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE;
58import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER;
59import static com.android.internal.util.ArrayUtils.appendInt;
60import static com.android.internal.util.ArrayUtils.removeInt;
61
62import android.util.ArrayMap;
63
64import com.android.internal.R;
65import com.android.internal.app.IMediaContainerService;
66import com.android.internal.app.ResolverActivity;
67import com.android.internal.content.NativeLibraryHelper;
68import com.android.internal.content.PackageHelper;
69import com.android.internal.os.IParcelFileDescriptorFactory;
70import com.android.internal.util.ArrayUtils;
71import com.android.internal.util.FastPrintWriter;
72import com.android.internal.util.FastXmlSerializer;
73import com.android.internal.util.IndentingPrintWriter;
74import com.android.internal.util.Preconditions;
75import com.android.server.EventLogTags;
76import com.android.server.IntentResolver;
77import com.android.server.LocalServices;
78import com.android.server.ServiceThread;
79import com.android.server.SystemConfig;
80import com.android.server.Watchdog;
81import com.android.server.pm.Settings.DatabaseVersion;
82import com.android.server.storage.DeviceStorageMonitorInternal;
83
84import org.xmlpull.v1.XmlSerializer;
85
86import android.app.ActivityManager;
87import android.app.ActivityManagerNative;
88import android.app.IActivityManager;
89import android.app.admin.IDevicePolicyManager;
90import android.app.backup.IBackupManager;
91import android.content.BroadcastReceiver;
92import android.content.ComponentName;
93import android.content.Context;
94import android.content.IIntentReceiver;
95import android.content.Intent;
96import android.content.IntentFilter;
97import android.content.IntentSender;
98import android.content.IntentSender.SendIntentException;
99import android.content.ServiceConnection;
100import android.content.pm.ActivityInfo;
101import android.content.pm.ApplicationInfo;
102import android.content.pm.FeatureInfo;
103import android.content.pm.IPackageDataObserver;
104import android.content.pm.IPackageDeleteObserver;
105import android.content.pm.IPackageInstallObserver2;
106import android.content.pm.IPackageInstaller;
107import android.content.pm.IPackageManager;
108import android.content.pm.IPackageMoveObserver;
109import android.content.pm.IPackageStatsObserver;
110import android.content.pm.InstallSessionParams;
111import android.content.pm.InstrumentationInfo;
112import android.content.pm.ManifestDigest;
113import android.content.pm.PackageCleanItem;
114import android.content.pm.PackageInfo;
115import android.content.pm.PackageInfoLite;
116import android.content.pm.PackageManager;
117import android.content.pm.PackageParser.ActivityIntentInfo;
118import android.content.pm.PackageParser.PackageLite;
119import android.content.pm.PackageParser.PackageParserException;
120import android.content.pm.PackageParser;
121import android.content.pm.PackageStats;
122import android.content.pm.PackageUserState;
123import android.content.pm.ParceledListSlice;
124import android.content.pm.PermissionGroupInfo;
125import android.content.pm.PermissionInfo;
126import android.content.pm.ProviderInfo;
127import android.content.pm.ResolveInfo;
128import android.content.pm.ServiceInfo;
129import android.content.pm.Signature;
130import android.content.pm.UserInfo;
131import android.content.pm.VerificationParams;
132import android.content.pm.VerifierDeviceIdentity;
133import android.content.pm.VerifierInfo;
134import android.content.res.Resources;
135import android.hardware.display.DisplayManager;
136import android.net.Uri;
137import android.os.Binder;
138import android.os.Build;
139import android.os.Bundle;
140import android.os.Environment;
141import android.os.Environment.UserEnvironment;
142import android.os.FileObserver;
143import android.os.FileUtils;
144import android.os.Handler;
145import android.os.IBinder;
146import android.os.Looper;
147import android.os.Message;
148import android.os.Parcel;
149import android.os.ParcelFileDescriptor;
150import android.os.Process;
151import android.os.RemoteException;
152import android.os.SELinux;
153import android.os.ServiceManager;
154import android.os.SystemClock;
155import android.os.SystemProperties;
156import android.os.UserHandle;
157import android.os.UserManager;
158import android.security.KeyStore;
159import android.security.SystemKeyStore;
160import android.system.ErrnoException;
161import android.system.Os;
162import android.system.StructStat;
163import android.text.TextUtils;
164import android.util.ArraySet;
165import android.util.AtomicFile;
166import android.util.DisplayMetrics;
167import android.util.EventLog;
168import android.util.Log;
169import android.util.LogPrinter;
170import android.util.PrintStreamPrinter;
171import android.util.Slog;
172import android.util.SparseArray;
173import android.util.SparseBooleanArray;
174import android.view.Display;
175
176import java.io.BufferedInputStream;
177import java.io.BufferedOutputStream;
178import java.io.File;
179import java.io.FileDescriptor;
180import java.io.FileInputStream;
181import java.io.FileNotFoundException;
182import java.io.FileOutputStream;
183import java.io.FilenameFilter;
184import java.io.IOException;
185import java.io.InputStream;
186import java.io.PrintWriter;
187import java.nio.charset.StandardCharsets;
188import java.security.NoSuchAlgorithmException;
189import java.security.PublicKey;
190import java.security.cert.CertificateEncodingException;
191import java.security.cert.CertificateException;
192import java.text.SimpleDateFormat;
193import java.util.ArrayList;
194import java.util.Arrays;
195import java.util.Collection;
196import java.util.Collections;
197import java.util.Comparator;
198import java.util.Date;
199import java.util.HashMap;
200import java.util.HashSet;
201import java.util.Iterator;
202import java.util.List;
203import java.util.Map;
204import java.util.Set;
205import java.util.concurrent.atomic.AtomicBoolean;
206import java.util.concurrent.atomic.AtomicLong;
207
208import dalvik.system.DexFile;
209import dalvik.system.StaleDexCacheError;
210import dalvik.system.VMRuntime;
211
212import libcore.io.IoUtils;
213
214/**
215 * Keep track of all those .apks everywhere.
216 *
217 * This is very central to the platform's security; please run the unit
218 * tests whenever making modifications here:
219 *
220mmm frameworks/base/tests/AndroidTests
221adb install -r -f out/target/product/passion/data/app/AndroidTests.apk
222adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner
223 *
224 * {@hide}
225 */
226public class PackageManagerService extends IPackageManager.Stub {
227    static final String TAG = "PackageManager";
228    static final boolean DEBUG_SETTINGS = false;
229    static final boolean DEBUG_PREFERRED = false;
230    static final boolean DEBUG_UPGRADE = false;
231    private static final boolean DEBUG_INSTALL = false;
232    private static final boolean DEBUG_REMOVE = false;
233    private static final boolean DEBUG_BROADCASTS = false;
234    private static final boolean DEBUG_SHOW_INFO = false;
235    private static final boolean DEBUG_PACKAGE_INFO = false;
236    private static final boolean DEBUG_INTENT_MATCHING = false;
237    private static final boolean DEBUG_PACKAGE_SCANNING = false;
238    private static final boolean DEBUG_APP_DIR_OBSERVER = false;
239    private static final boolean DEBUG_VERIFY = false;
240    private static final boolean DEBUG_DEXOPT = false;
241    private static final boolean DEBUG_ABI_SELECTION = false;
242
243    private static final int RADIO_UID = Process.PHONE_UID;
244    private static final int LOG_UID = Process.LOG_UID;
245    private static final int NFC_UID = Process.NFC_UID;
246    private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID;
247    private static final int SHELL_UID = Process.SHELL_UID;
248
249    // Cap the size of permission trees that 3rd party apps can define
250    private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768;     // characters of text
251
252    private static final int REMOVE_EVENTS =
253        FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM;
254    private static final int ADD_EVENTS =
255        FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO;
256
257    private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS;
258    // Suffix used during package installation when copying/moving
259    // package apks to install directory.
260    private static final String INSTALL_PACKAGE_SUFFIX = "-";
261
262    static final int SCAN_MONITOR = 1<<0;
263    static final int SCAN_NO_DEX = 1<<1;
264    static final int SCAN_FORCE_DEX = 1<<2;
265    static final int SCAN_UPDATE_SIGNATURE = 1<<3;
266    static final int SCAN_NEW_INSTALL = 1<<4;
267    static final int SCAN_NO_PATHS = 1<<5;
268    static final int SCAN_UPDATE_TIME = 1<<6;
269    static final int SCAN_DEFER_DEX = 1<<7;
270    static final int SCAN_BOOTING = 1<<8;
271    static final int SCAN_TRUSTED_OVERLAY = 1<<9;
272    static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10;
273
274    static final int REMOVE_CHATTY = 1<<16;
275
276    /**
277     * Timeout (in milliseconds) after which the watchdog should declare that
278     * our handler thread is wedged.  The usual default for such things is one
279     * minute but we sometimes do very lengthy I/O operations on this thread,
280     * such as installing multi-gigabyte applications, so ours needs to be longer.
281     */
282    private static final long WATCHDOG_TIMEOUT = 1000*60*10;     // ten minutes
283
284    /**
285     * Whether verification is enabled by default.
286     */
287    private static final boolean DEFAULT_VERIFY_ENABLE = true;
288
289    /**
290     * The default maximum time to wait for the verification agent to return in
291     * milliseconds.
292     */
293    private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000;
294
295    /**
296     * The default response for package verification timeout.
297     *
298     * This can be either PackageManager.VERIFICATION_ALLOW or
299     * PackageManager.VERIFICATION_REJECT.
300     */
301    private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW;
302
303    static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer";
304
305    static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName(
306            DEFAULT_CONTAINER_PACKAGE,
307            "com.android.defcontainer.DefaultContainerService");
308
309    private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
310
311    private static final String LIB_DIR_NAME = "lib";
312    private static final String LIB64_DIR_NAME = "lib64";
313
314    private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay";
315
316    static final String mTempContainerPrefix = "smdl2tmp";
317
318    private static String sPreferredInstructionSet;
319
320    final ServiceThread mHandlerThread;
321
322    private static final String IDMAP_PREFIX = "/data/resource-cache/";
323    private static final String IDMAP_SUFFIX = "@idmap";
324
325    final PackageHandler mHandler;
326
327    final int mSdkVersion = Build.VERSION.SDK_INT;
328
329    final Context mContext;
330    final boolean mFactoryTest;
331    final boolean mOnlyCore;
332    final DisplayMetrics mMetrics;
333    final int mDefParseFlags;
334    final String[] mSeparateProcesses;
335
336    // This is where all application persistent data goes.
337    final File mAppDataDir;
338
339    // This is where all application persistent data goes for secondary users.
340    final File mUserAppDataDir;
341
342    /** The location for ASEC container files on internal storage. */
343    final String mAsecInternalPath;
344
345    // This is the object monitoring the framework dir.
346    final FileObserver mFrameworkInstallObserver;
347
348    // This is the object monitoring the system app dir.
349    final FileObserver mSystemInstallObserver;
350
351    // This is the object monitoring the privileged system app dir.
352    final FileObserver mPrivilegedInstallObserver;
353
354    // This is the object monitoring the vendor app dir.
355    final FileObserver mVendorInstallObserver;
356
357    // This is the object monitoring the vendor overlay package dir.
358    final FileObserver mVendorOverlayInstallObserver;
359
360    // This is the object monitoring the OEM app dir.
361    final FileObserver mOemInstallObserver;
362
363    // This is the object monitoring mAppInstallDir.
364    final FileObserver mAppInstallObserver;
365
366    // This is the object monitoring mDrmAppPrivateInstallDir.
367    final FileObserver mDrmAppInstallObserver;
368
369    // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages
370    // LOCK HELD.  Can be called with mInstallLock held.
371    final Installer mInstaller;
372
373    /** Directory where installed third-party apps stored */
374    final File mAppInstallDir;
375
376    /**
377     * Directory to which applications installed internally have their
378     * 32 bit native libraries copied.
379     */
380    private File mAppLib32InstallDir;
381
382    // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked
383    // apps.
384    final File mDrmAppPrivateInstallDir;
385
386    // ----------------------------------------------------------------
387
388    // Lock for state used when installing and doing other long running
389    // operations.  Methods that must be called with this lock held have
390    // the suffix "LI".
391    final Object mInstallLock = new Object();
392
393    // These are the directories in the 3rd party applications installed dir
394    // that we have currently loaded packages from.  Keys are the application's
395    // installed zip file (absolute codePath), and values are Package.
396    final HashMap<String, PackageParser.Package> mAppDirs =
397            new HashMap<String, PackageParser.Package>();
398
399    // ----------------------------------------------------------------
400
401    // Keys are String (package name), values are Package.  This also serves
402    // as the lock for the global state.  Methods that must be called with
403    // this lock held have the prefix "LP".
404    final HashMap<String, PackageParser.Package> mPackages =
405            new HashMap<String, PackageParser.Package>();
406
407    // Tracks available target package names -> overlay package paths.
408    final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays =
409        new HashMap<String, HashMap<String, PackageParser.Package>>();
410
411    final Settings mSettings;
412    boolean mRestoredSettings;
413
414    // System configuration read by SystemConfig.
415    final int[] mGlobalGids;
416    final SparseArray<HashSet<String>> mSystemPermissions;
417    final HashMap<String, FeatureInfo> mAvailableFeatures;
418
419    // If mac_permissions.xml was found for seinfo labeling.
420    boolean mFoundPolicyFile;
421
422    // If a recursive restorecon of /data/data/<pkg> is needed.
423    private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon();
424
425    public static final class SharedLibraryEntry {
426        public final String path;
427        public final String apk;
428
429        SharedLibraryEntry(String _path, String _apk) {
430            path = _path;
431            apk = _apk;
432        }
433    }
434
435    // Currently known shared libraries.
436    final HashMap<String, SharedLibraryEntry> mSharedLibraries =
437            new HashMap<String, SharedLibraryEntry>();
438
439    // All available activities, for your resolving pleasure.
440    final ActivityIntentResolver mActivities =
441            new ActivityIntentResolver();
442
443    // All available receivers, for your resolving pleasure.
444    final ActivityIntentResolver mReceivers =
445            new ActivityIntentResolver();
446
447    // All available services, for your resolving pleasure.
448    final ServiceIntentResolver mServices = new ServiceIntentResolver();
449
450    // All available providers, for your resolving pleasure.
451    final ProviderIntentResolver mProviders = new ProviderIntentResolver();
452
453    // Mapping from provider base names (first directory in content URI codePath)
454    // to the provider information.
455    final HashMap<String, PackageParser.Provider> mProvidersByAuthority =
456            new HashMap<String, PackageParser.Provider>();
457
458    // Mapping from instrumentation class names to info about them.
459    final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation =
460            new HashMap<ComponentName, PackageParser.Instrumentation>();
461
462    // Mapping from permission names to info about them.
463    final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups =
464            new HashMap<String, PackageParser.PermissionGroup>();
465
466    // Packages whose data we have transfered into another package, thus
467    // should no longer exist.
468    final HashSet<String> mTransferedPackages = new HashSet<String>();
469
470    // Broadcast actions that are only available to the system.
471    final HashSet<String> mProtectedBroadcasts = new HashSet<String>();
472
473    /** List of packages waiting for verification. */
474    final SparseArray<PackageVerificationState> mPendingVerification
475            = new SparseArray<PackageVerificationState>();
476
477    final PackageInstallerService mInstallerService;
478
479    HashSet<PackageParser.Package> mDeferredDexOpt = null;
480
481    // Cache of users who need badging.
482    SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray();
483
484    /** Token for keys in mPendingVerification. */
485    private int mPendingVerificationToken = 0;
486
487    boolean mSystemReady;
488    boolean mSafeMode;
489    boolean mHasSystemUidErrors;
490
491    ApplicationInfo mAndroidApplication;
492    final ActivityInfo mResolveActivity = new ActivityInfo();
493    final ResolveInfo mResolveInfo = new ResolveInfo();
494    ComponentName mResolveComponentName;
495    PackageParser.Package mPlatformPackage;
496    ComponentName mCustomResolverComponentName;
497
498    boolean mResolverReplaced = false;
499
500    // Set of pending broadcasts for aggregating enable/disable of components.
501    static class PendingPackageBroadcasts {
502        // for each user id, a map of <package name -> components within that package>
503        final SparseArray<HashMap<String, ArrayList<String>>> mUidMap;
504
505        public PendingPackageBroadcasts() {
506            mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2);
507        }
508
509        public ArrayList<String> get(int userId, String packageName) {
510            HashMap<String, ArrayList<String>> packages = getOrAllocate(userId);
511            return packages.get(packageName);
512        }
513
514        public void put(int userId, String packageName, ArrayList<String> components) {
515            HashMap<String, ArrayList<String>> packages = getOrAllocate(userId);
516            packages.put(packageName, components);
517        }
518
519        public void remove(int userId, String packageName) {
520            HashMap<String, ArrayList<String>> packages = mUidMap.get(userId);
521            if (packages != null) {
522                packages.remove(packageName);
523            }
524        }
525
526        public void remove(int userId) {
527            mUidMap.remove(userId);
528        }
529
530        public int userIdCount() {
531            return mUidMap.size();
532        }
533
534        public int userIdAt(int n) {
535            return mUidMap.keyAt(n);
536        }
537
538        public HashMap<String, ArrayList<String>> packagesForUserId(int userId) {
539            return mUidMap.get(userId);
540        }
541
542        public int size() {
543            // total number of pending broadcast entries across all userIds
544            int num = 0;
545            for (int i = 0; i< mUidMap.size(); i++) {
546                num += mUidMap.valueAt(i).size();
547            }
548            return num;
549        }
550
551        public void clear() {
552            mUidMap.clear();
553        }
554
555        private HashMap<String, ArrayList<String>> getOrAllocate(int userId) {
556            HashMap<String, ArrayList<String>> map = mUidMap.get(userId);
557            if (map == null) {
558                map = new HashMap<String, ArrayList<String>>();
559                mUidMap.put(userId, map);
560            }
561            return map;
562        }
563    }
564    final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts();
565
566    // Service Connection to remote media container service to copy
567    // package uri's from external media onto secure containers
568    // or internal storage.
569    private IMediaContainerService mContainerService = null;
570
571    static final int SEND_PENDING_BROADCAST = 1;
572    static final int MCS_BOUND = 3;
573    static final int END_COPY = 4;
574    static final int INIT_COPY = 5;
575    static final int MCS_UNBIND = 6;
576    static final int START_CLEANING_PACKAGE = 7;
577    static final int FIND_INSTALL_LOC = 8;
578    static final int POST_INSTALL = 9;
579    static final int MCS_RECONNECT = 10;
580    static final int MCS_GIVE_UP = 11;
581    static final int UPDATED_MEDIA_STATUS = 12;
582    static final int WRITE_SETTINGS = 13;
583    static final int WRITE_PACKAGE_RESTRICTIONS = 14;
584    static final int PACKAGE_VERIFIED = 15;
585    static final int CHECK_PENDING_VERIFICATION = 16;
586
587    static final int WRITE_SETTINGS_DELAY = 10*1000;  // 10 seconds
588
589    // Delay time in millisecs
590    static final int BROADCAST_DELAY = 10 * 1000;
591
592    static UserManagerService sUserManager;
593
594    // Stores a list of users whose package restrictions file needs to be updated
595    private HashSet<Integer> mDirtyUsers = new HashSet<Integer>();
596
597    final private DefaultContainerConnection mDefContainerConn =
598            new DefaultContainerConnection();
599    class DefaultContainerConnection implements ServiceConnection {
600        public void onServiceConnected(ComponentName name, IBinder service) {
601            if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected");
602            IMediaContainerService imcs =
603                IMediaContainerService.Stub.asInterface(service);
604            mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs));
605        }
606
607        public void onServiceDisconnected(ComponentName name) {
608            if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected");
609        }
610    };
611
612    // Recordkeeping of restore-after-install operations that are currently in flight
613    // between the Package Manager and the Backup Manager
614    class PostInstallData {
615        public InstallArgs args;
616        public PackageInstalledInfo res;
617
618        PostInstallData(InstallArgs _a, PackageInstalledInfo _r) {
619            args = _a;
620            res = _r;
621        }
622    };
623    final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>();
624    int mNextInstallToken = 1;  // nonzero; will be wrapped back to 1 when ++ overflows
625
626    private final String mRequiredVerifierPackage;
627
628    private final PackageUsage mPackageUsage = new PackageUsage();
629
630    private class PackageUsage {
631        private static final int WRITE_INTERVAL
632            = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms
633
634        private final Object mFileLock = new Object();
635        private final AtomicLong mLastWritten = new AtomicLong(0);
636        private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false);
637
638        private boolean mIsHistoricalPackageUsageAvailable = true;
639
640        boolean isHistoricalPackageUsageAvailable() {
641            return mIsHistoricalPackageUsageAvailable;
642        }
643
644        void write(boolean force) {
645            if (force) {
646                writeInternal();
647                return;
648            }
649            if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL
650                && !DEBUG_DEXOPT) {
651                return;
652            }
653            if (mBackgroundWriteRunning.compareAndSet(false, true)) {
654                new Thread("PackageUsage_DiskWriter") {
655                    @Override
656                    public void run() {
657                        try {
658                            writeInternal();
659                        } finally {
660                            mBackgroundWriteRunning.set(false);
661                        }
662                    }
663                }.start();
664            }
665        }
666
667        private void writeInternal() {
668            synchronized (mPackages) {
669                synchronized (mFileLock) {
670                    AtomicFile file = getFile();
671                    FileOutputStream f = null;
672                    try {
673                        f = file.startWrite();
674                        BufferedOutputStream out = new BufferedOutputStream(f);
675                        FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID);
676                        StringBuilder sb = new StringBuilder();
677                        for (PackageParser.Package pkg : mPackages.values()) {
678                            if (pkg.mLastPackageUsageTimeInMills == 0) {
679                                continue;
680                            }
681                            sb.setLength(0);
682                            sb.append(pkg.packageName);
683                            sb.append(' ');
684                            sb.append((long)pkg.mLastPackageUsageTimeInMills);
685                            sb.append('\n');
686                            out.write(sb.toString().getBytes(StandardCharsets.US_ASCII));
687                        }
688                        out.flush();
689                        file.finishWrite(f);
690                    } catch (IOException e) {
691                        if (f != null) {
692                            file.failWrite(f);
693                        }
694                        Log.e(TAG, "Failed to write package usage times", e);
695                    }
696                }
697            }
698            mLastWritten.set(SystemClock.elapsedRealtime());
699        }
700
701        void readLP() {
702            synchronized (mFileLock) {
703                AtomicFile file = getFile();
704                BufferedInputStream in = null;
705                try {
706                    in = new BufferedInputStream(file.openRead());
707                    StringBuffer sb = new StringBuffer();
708                    while (true) {
709                        String packageName = readToken(in, sb, ' ');
710                        if (packageName == null) {
711                            break;
712                        }
713                        String timeInMillisString = readToken(in, sb, '\n');
714                        if (timeInMillisString == null) {
715                            throw new IOException("Failed to find last usage time for package "
716                                                  + packageName);
717                        }
718                        PackageParser.Package pkg = mPackages.get(packageName);
719                        if (pkg == null) {
720                            continue;
721                        }
722                        long timeInMillis;
723                        try {
724                            timeInMillis = Long.parseLong(timeInMillisString.toString());
725                        } catch (NumberFormatException e) {
726                            throw new IOException("Failed to parse " + timeInMillisString
727                                                  + " as a long.", e);
728                        }
729                        pkg.mLastPackageUsageTimeInMills = timeInMillis;
730                    }
731                } catch (FileNotFoundException expected) {
732                    mIsHistoricalPackageUsageAvailable = false;
733                } catch (IOException e) {
734                    Log.w(TAG, "Failed to read package usage times", e);
735                } finally {
736                    IoUtils.closeQuietly(in);
737                }
738            }
739            mLastWritten.set(SystemClock.elapsedRealtime());
740        }
741
742        private String readToken(InputStream in, StringBuffer sb, char endOfToken)
743                throws IOException {
744            sb.setLength(0);
745            while (true) {
746                int ch = in.read();
747                if (ch == -1) {
748                    if (sb.length() == 0) {
749                        return null;
750                    }
751                    throw new IOException("Unexpected EOF");
752                }
753                if (ch == endOfToken) {
754                    return sb.toString();
755                }
756                sb.append((char)ch);
757            }
758        }
759
760        private AtomicFile getFile() {
761            File dataDir = Environment.getDataDirectory();
762            File systemDir = new File(dataDir, "system");
763            File fname = new File(systemDir, "package-usage.list");
764            return new AtomicFile(fname);
765        }
766    }
767
768    class PackageHandler extends Handler {
769        private boolean mBound = false;
770        final ArrayList<HandlerParams> mPendingInstalls =
771            new ArrayList<HandlerParams>();
772
773        private boolean connectToService() {
774            if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" +
775                    " DefaultContainerService");
776            Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
777            Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
778            if (mContext.bindServiceAsUser(service, mDefContainerConn,
779                    Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
780                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
781                mBound = true;
782                return true;
783            }
784            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
785            return false;
786        }
787
788        private void disconnectService() {
789            mContainerService = null;
790            mBound = false;
791            Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
792            mContext.unbindService(mDefContainerConn);
793            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
794        }
795
796        PackageHandler(Looper looper) {
797            super(looper);
798        }
799
800        public void handleMessage(Message msg) {
801            try {
802                doHandleMessage(msg);
803            } finally {
804                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
805            }
806        }
807
808        void doHandleMessage(Message msg) {
809            switch (msg.what) {
810                case INIT_COPY: {
811                    HandlerParams params = (HandlerParams) msg.obj;
812                    int idx = mPendingInstalls.size();
813                    if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params);
814                    // If a bind was already initiated we dont really
815                    // need to do anything. The pending install
816                    // will be processed later on.
817                    if (!mBound) {
818                        // If this is the only one pending we might
819                        // have to bind to the service again.
820                        if (!connectToService()) {
821                            Slog.e(TAG, "Failed to bind to media container service");
822                            params.serviceError();
823                            return;
824                        } else {
825                            // Once we bind to the service, the first
826                            // pending request will be processed.
827                            mPendingInstalls.add(idx, params);
828                        }
829                    } else {
830                        mPendingInstalls.add(idx, params);
831                        // Already bound to the service. Just make
832                        // sure we trigger off processing the first request.
833                        if (idx == 0) {
834                            mHandler.sendEmptyMessage(MCS_BOUND);
835                        }
836                    }
837                    break;
838                }
839                case MCS_BOUND: {
840                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound");
841                    if (msg.obj != null) {
842                        mContainerService = (IMediaContainerService) msg.obj;
843                    }
844                    if (mContainerService == null) {
845                        // Something seriously wrong. Bail out
846                        Slog.e(TAG, "Cannot bind to media container service");
847                        for (HandlerParams params : mPendingInstalls) {
848                            // Indicate service bind error
849                            params.serviceError();
850                        }
851                        mPendingInstalls.clear();
852                    } else if (mPendingInstalls.size() > 0) {
853                        HandlerParams params = mPendingInstalls.get(0);
854                        if (params != null) {
855                            if (params.startCopy()) {
856                                // We are done...  look for more work or to
857                                // go idle.
858                                if (DEBUG_SD_INSTALL) Log.i(TAG,
859                                        "Checking for more work or unbind...");
860                                // Delete pending install
861                                if (mPendingInstalls.size() > 0) {
862                                    mPendingInstalls.remove(0);
863                                }
864                                if (mPendingInstalls.size() == 0) {
865                                    if (mBound) {
866                                        if (DEBUG_SD_INSTALL) Log.i(TAG,
867                                                "Posting delayed MCS_UNBIND");
868                                        removeMessages(MCS_UNBIND);
869                                        Message ubmsg = obtainMessage(MCS_UNBIND);
870                                        // Unbind after a little delay, to avoid
871                                        // continual thrashing.
872                                        sendMessageDelayed(ubmsg, 10000);
873                                    }
874                                } else {
875                                    // There are more pending requests in queue.
876                                    // Just post MCS_BOUND message to trigger processing
877                                    // of next pending install.
878                                    if (DEBUG_SD_INSTALL) Log.i(TAG,
879                                            "Posting MCS_BOUND for next work");
880                                    mHandler.sendEmptyMessage(MCS_BOUND);
881                                }
882                            }
883                        }
884                    } else {
885                        // Should never happen ideally.
886                        Slog.w(TAG, "Empty queue");
887                    }
888                    break;
889                }
890                case MCS_RECONNECT: {
891                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect");
892                    if (mPendingInstalls.size() > 0) {
893                        if (mBound) {
894                            disconnectService();
895                        }
896                        if (!connectToService()) {
897                            Slog.e(TAG, "Failed to bind to media container service");
898                            for (HandlerParams params : mPendingInstalls) {
899                                // Indicate service bind error
900                                params.serviceError();
901                            }
902                            mPendingInstalls.clear();
903                        }
904                    }
905                    break;
906                }
907                case MCS_UNBIND: {
908                    // If there is no actual work left, then time to unbind.
909                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind");
910
911                    if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) {
912                        if (mBound) {
913                            if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()");
914
915                            disconnectService();
916                        }
917                    } else if (mPendingInstalls.size() > 0) {
918                        // There are more pending requests in queue.
919                        // Just post MCS_BOUND message to trigger processing
920                        // of next pending install.
921                        mHandler.sendEmptyMessage(MCS_BOUND);
922                    }
923
924                    break;
925                }
926                case MCS_GIVE_UP: {
927                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries");
928                    mPendingInstalls.remove(0);
929                    break;
930                }
931                case SEND_PENDING_BROADCAST: {
932                    String packages[];
933                    ArrayList<String> components[];
934                    int size = 0;
935                    int uids[];
936                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
937                    synchronized (mPackages) {
938                        if (mPendingBroadcasts == null) {
939                            return;
940                        }
941                        size = mPendingBroadcasts.size();
942                        if (size <= 0) {
943                            // Nothing to be done. Just return
944                            return;
945                        }
946                        packages = new String[size];
947                        components = new ArrayList[size];
948                        uids = new int[size];
949                        int i = 0;  // filling out the above arrays
950
951                        for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) {
952                            int packageUserId = mPendingBroadcasts.userIdAt(n);
953                            Iterator<Map.Entry<String, ArrayList<String>>> it
954                                    = mPendingBroadcasts.packagesForUserId(packageUserId)
955                                            .entrySet().iterator();
956                            while (it.hasNext() && i < size) {
957                                Map.Entry<String, ArrayList<String>> ent = it.next();
958                                packages[i] = ent.getKey();
959                                components[i] = ent.getValue();
960                                PackageSetting ps = mSettings.mPackages.get(ent.getKey());
961                                uids[i] = (ps != null)
962                                        ? UserHandle.getUid(packageUserId, ps.appId)
963                                        : -1;
964                                i++;
965                            }
966                        }
967                        size = i;
968                        mPendingBroadcasts.clear();
969                    }
970                    // Send broadcasts
971                    for (int i = 0; i < size; i++) {
972                        sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]);
973                    }
974                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
975                    break;
976                }
977                case START_CLEANING_PACKAGE: {
978                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
979                    final String packageName = (String)msg.obj;
980                    final int userId = msg.arg1;
981                    final boolean andCode = msg.arg2 != 0;
982                    synchronized (mPackages) {
983                        if (userId == UserHandle.USER_ALL) {
984                            int[] users = sUserManager.getUserIds();
985                            for (int user : users) {
986                                mSettings.addPackageToCleanLPw(
987                                        new PackageCleanItem(user, packageName, andCode));
988                            }
989                        } else {
990                            mSettings.addPackageToCleanLPw(
991                                    new PackageCleanItem(userId, packageName, andCode));
992                        }
993                    }
994                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
995                    startCleaningPackages();
996                } break;
997                case POST_INSTALL: {
998                    if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1);
999                    PostInstallData data = mRunningInstalls.get(msg.arg1);
1000                    mRunningInstalls.delete(msg.arg1);
1001                    boolean deleteOld = false;
1002
1003                    if (data != null) {
1004                        InstallArgs args = data.args;
1005                        PackageInstalledInfo res = data.res;
1006
1007                        if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
1008                            res.removedInfo.sendBroadcast(false, true, false);
1009                            Bundle extras = new Bundle(1);
1010                            extras.putInt(Intent.EXTRA_UID, res.uid);
1011                            // Determine the set of users who are adding this
1012                            // package for the first time vs. those who are seeing
1013                            // an update.
1014                            int[] firstUsers;
1015                            int[] updateUsers = new int[0];
1016                            if (res.origUsers == null || res.origUsers.length == 0) {
1017                                firstUsers = res.newUsers;
1018                            } else {
1019                                firstUsers = new int[0];
1020                                for (int i=0; i<res.newUsers.length; i++) {
1021                                    int user = res.newUsers[i];
1022                                    boolean isNew = true;
1023                                    for (int j=0; j<res.origUsers.length; j++) {
1024                                        if (res.origUsers[j] == user) {
1025                                            isNew = false;
1026                                            break;
1027                                        }
1028                                    }
1029                                    if (isNew) {
1030                                        int[] newFirst = new int[firstUsers.length+1];
1031                                        System.arraycopy(firstUsers, 0, newFirst, 0,
1032                                                firstUsers.length);
1033                                        newFirst[firstUsers.length] = user;
1034                                        firstUsers = newFirst;
1035                                    } else {
1036                                        int[] newUpdate = new int[updateUsers.length+1];
1037                                        System.arraycopy(updateUsers, 0, newUpdate, 0,
1038                                                updateUsers.length);
1039                                        newUpdate[updateUsers.length] = user;
1040                                        updateUsers = newUpdate;
1041                                    }
1042                                }
1043                            }
1044                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
1045                                    res.pkg.applicationInfo.packageName,
1046                                    extras, null, null, firstUsers);
1047                            final boolean update = res.removedInfo.removedPackage != null;
1048                            if (update) {
1049                                extras.putBoolean(Intent.EXTRA_REPLACING, true);
1050                            }
1051                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
1052                                    res.pkg.applicationInfo.packageName,
1053                                    extras, null, null, updateUsers);
1054                            if (update) {
1055                                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED,
1056                                        res.pkg.applicationInfo.packageName,
1057                                        extras, null, null, updateUsers);
1058                                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED,
1059                                        null, null,
1060                                        res.pkg.applicationInfo.packageName, null, updateUsers);
1061
1062                                // treat asec-hosted packages like removable media on upgrade
1063                                if (isForwardLocked(res.pkg) || isExternal(res.pkg)) {
1064                                    if (DEBUG_INSTALL) {
1065                                        Slog.i(TAG, "upgrading pkg " + res.pkg
1066                                                + " is ASEC-hosted -> AVAILABLE");
1067                                    }
1068                                    int[] uidArray = new int[] { res.pkg.applicationInfo.uid };
1069                                    ArrayList<String> pkgList = new ArrayList<String>(1);
1070                                    pkgList.add(res.pkg.applicationInfo.packageName);
1071                                    sendResourcesChangedBroadcast(true, true,
1072                                            pkgList,uidArray, null);
1073                                }
1074                            }
1075                            if (res.removedInfo.args != null) {
1076                                // Remove the replaced package's older resources safely now
1077                                deleteOld = true;
1078                            }
1079
1080                            // Log current value of "unknown sources" setting
1081                            EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED,
1082                                getUnknownSourcesSettings());
1083                        }
1084                        // Force a gc to clear up things
1085                        Runtime.getRuntime().gc();
1086                        // We delete after a gc for applications  on sdcard.
1087                        if (deleteOld) {
1088                            synchronized (mInstallLock) {
1089                                res.removedInfo.args.doPostDeleteLI(true);
1090                            }
1091                        }
1092                        if (args.observer != null) {
1093                            try {
1094                                Bundle extras = extrasForInstallResult(res);
1095                                args.observer.packageInstalled(res.name, extras, res.returnCode,
1096                                        res.returnMsg);
1097                            } catch (RemoteException e) {
1098                                Slog.i(TAG, "Observer no longer exists.");
1099                            }
1100                        }
1101                    } else {
1102                        Slog.e(TAG, "Bogus post-install token " + msg.arg1);
1103                    }
1104                } break;
1105                case UPDATED_MEDIA_STATUS: {
1106                    if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS");
1107                    boolean reportStatus = msg.arg1 == 1;
1108                    boolean doGc = msg.arg2 == 1;
1109                    if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc);
1110                    if (doGc) {
1111                        // Force a gc to clear up stale containers.
1112                        Runtime.getRuntime().gc();
1113                    }
1114                    if (msg.obj != null) {
1115                        @SuppressWarnings("unchecked")
1116                        Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj;
1117                        if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers");
1118                        // Unload containers
1119                        unloadAllContainers(args);
1120                    }
1121                    if (reportStatus) {
1122                        try {
1123                            if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back");
1124                            PackageHelper.getMountService().finishMediaUpdate();
1125                        } catch (RemoteException e) {
1126                            Log.e(TAG, "MountService not running?");
1127                        }
1128                    }
1129                } break;
1130                case WRITE_SETTINGS: {
1131                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1132                    synchronized (mPackages) {
1133                        removeMessages(WRITE_SETTINGS);
1134                        removeMessages(WRITE_PACKAGE_RESTRICTIONS);
1135                        mSettings.writeLPr();
1136                        mDirtyUsers.clear();
1137                    }
1138                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1139                } break;
1140                case WRITE_PACKAGE_RESTRICTIONS: {
1141                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1142                    synchronized (mPackages) {
1143                        removeMessages(WRITE_PACKAGE_RESTRICTIONS);
1144                        for (int userId : mDirtyUsers) {
1145                            mSettings.writePackageRestrictionsLPr(userId);
1146                        }
1147                        mDirtyUsers.clear();
1148                    }
1149                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1150                } break;
1151                case CHECK_PENDING_VERIFICATION: {
1152                    final int verificationId = msg.arg1;
1153                    final PackageVerificationState state = mPendingVerification.get(verificationId);
1154
1155                    if ((state != null) && !state.timeoutExtended()) {
1156                        final InstallArgs args = state.getInstallArgs();
1157                        final Uri originUri = Uri.fromFile(args.originFile);
1158
1159                        Slog.i(TAG, "Verification timed out for " + originUri);
1160                        mPendingVerification.remove(verificationId);
1161
1162                        int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
1163
1164                        if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) {
1165                            Slog.i(TAG, "Continuing with installation of " + originUri);
1166                            state.setVerifierResponse(Binder.getCallingUid(),
1167                                    PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT);
1168                            broadcastPackageVerified(verificationId, originUri,
1169                                    PackageManager.VERIFICATION_ALLOW,
1170                                    state.getInstallArgs().getUser());
1171                            try {
1172                                ret = args.copyApk(mContainerService, true);
1173                            } catch (RemoteException e) {
1174                                Slog.e(TAG, "Could not contact the ContainerService");
1175                            }
1176                        } else {
1177                            broadcastPackageVerified(verificationId, originUri,
1178                                    PackageManager.VERIFICATION_REJECT,
1179                                    state.getInstallArgs().getUser());
1180                        }
1181
1182                        processPendingInstall(args, ret);
1183                        mHandler.sendEmptyMessage(MCS_UNBIND);
1184                    }
1185                    break;
1186                }
1187                case PACKAGE_VERIFIED: {
1188                    final int verificationId = msg.arg1;
1189
1190                    final PackageVerificationState state = mPendingVerification.get(verificationId);
1191                    if (state == null) {
1192                        Slog.w(TAG, "Invalid verification token " + verificationId + " received");
1193                        break;
1194                    }
1195
1196                    final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj;
1197
1198                    state.setVerifierResponse(response.callerUid, response.code);
1199
1200                    if (state.isVerificationComplete()) {
1201                        mPendingVerification.remove(verificationId);
1202
1203                        final InstallArgs args = state.getInstallArgs();
1204                        final Uri originUri = Uri.fromFile(args.originFile);
1205
1206                        int ret;
1207                        if (state.isInstallAllowed()) {
1208                            ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
1209                            broadcastPackageVerified(verificationId, originUri,
1210                                    response.code, state.getInstallArgs().getUser());
1211                            try {
1212                                ret = args.copyApk(mContainerService, true);
1213                            } catch (RemoteException e) {
1214                                Slog.e(TAG, "Could not contact the ContainerService");
1215                            }
1216                        } else {
1217                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
1218                        }
1219
1220                        processPendingInstall(args, ret);
1221
1222                        mHandler.sendEmptyMessage(MCS_UNBIND);
1223                    }
1224
1225                    break;
1226                }
1227            }
1228        }
1229    }
1230
1231    Bundle extrasForInstallResult(PackageInstalledInfo res) {
1232        Bundle extras = null;
1233        switch (res.returnCode) {
1234            case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: {
1235                extras = new Bundle();
1236                extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION,
1237                        res.origPermission);
1238                extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE,
1239                        res.origPackage);
1240                break;
1241            }
1242        }
1243        return extras;
1244    }
1245
1246    void scheduleWriteSettingsLocked() {
1247        if (!mHandler.hasMessages(WRITE_SETTINGS)) {
1248            mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY);
1249        }
1250    }
1251
1252    void scheduleWritePackageRestrictionsLocked(int userId) {
1253        if (!sUserManager.exists(userId)) return;
1254        mDirtyUsers.add(userId);
1255        if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) {
1256            mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY);
1257        }
1258    }
1259
1260    public static final PackageManagerService main(Context context, Installer installer,
1261            boolean factoryTest, boolean onlyCore) {
1262        PackageManagerService m = new PackageManagerService(context, installer,
1263                factoryTest, onlyCore);
1264        ServiceManager.addService("package", m);
1265        return m;
1266    }
1267
1268    static String[] splitString(String str, char sep) {
1269        int count = 1;
1270        int i = 0;
1271        while ((i=str.indexOf(sep, i)) >= 0) {
1272            count++;
1273            i++;
1274        }
1275
1276        String[] res = new String[count];
1277        i=0;
1278        count = 0;
1279        int lastI=0;
1280        while ((i=str.indexOf(sep, i)) >= 0) {
1281            res[count] = str.substring(lastI, i);
1282            count++;
1283            i++;
1284            lastI = i;
1285        }
1286        res[count] = str.substring(lastI, str.length());
1287        return res;
1288    }
1289
1290    private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) {
1291        DisplayManager displayManager = (DisplayManager) context.getSystemService(
1292                Context.DISPLAY_SERVICE);
1293        displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics);
1294    }
1295
1296    public PackageManagerService(Context context, Installer installer,
1297            boolean factoryTest, boolean onlyCore) {
1298        EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START,
1299                SystemClock.uptimeMillis());
1300
1301        if (mSdkVersion <= 0) {
1302            Slog.w(TAG, "**** ro.build.version.sdk not set!");
1303        }
1304
1305        mContext = context;
1306        mFactoryTest = factoryTest;
1307        mOnlyCore = onlyCore;
1308        mMetrics = new DisplayMetrics();
1309        mSettings = new Settings(context);
1310        mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID,
1311                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1312        mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID,
1313                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1314        mSettings.addSharedUserLPw("android.uid.log", LOG_UID,
1315                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1316        mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID,
1317                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1318        mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID,
1319                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1320        mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID,
1321                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1322
1323        String separateProcesses = SystemProperties.get("debug.separate_processes");
1324        if (separateProcesses != null && separateProcesses.length() > 0) {
1325            if ("*".equals(separateProcesses)) {
1326                mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES;
1327                mSeparateProcesses = null;
1328                Slog.w(TAG, "Running with debug.separate_processes: * (ALL)");
1329            } else {
1330                mDefParseFlags = 0;
1331                mSeparateProcesses = separateProcesses.split(",");
1332                Slog.w(TAG, "Running with debug.separate_processes: "
1333                        + separateProcesses);
1334            }
1335        } else {
1336            mDefParseFlags = 0;
1337            mSeparateProcesses = null;
1338        }
1339
1340        mInstaller = installer;
1341
1342        getDefaultDisplayMetrics(context, mMetrics);
1343
1344        SystemConfig systemConfig = SystemConfig.getInstance();
1345        mGlobalGids = systemConfig.getGlobalGids();
1346        mSystemPermissions = systemConfig.getSystemPermissions();
1347        mAvailableFeatures = systemConfig.getAvailableFeatures();
1348
1349        synchronized (mInstallLock) {
1350        // writer
1351        synchronized (mPackages) {
1352            mHandlerThread = new ServiceThread(TAG,
1353                    Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/);
1354            mHandlerThread.start();
1355            mHandler = new PackageHandler(mHandlerThread.getLooper());
1356            Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT);
1357
1358            File dataDir = Environment.getDataDirectory();
1359            mAppDataDir = new File(dataDir, "data");
1360            mAppInstallDir = new File(dataDir, "app");
1361            mAppLib32InstallDir = new File(dataDir, "app-lib");
1362            mAsecInternalPath = new File(dataDir, "app-asec").getPath();
1363            mUserAppDataDir = new File(dataDir, "user");
1364            mDrmAppPrivateInstallDir = new File(dataDir, "app-private");
1365
1366            sUserManager = new UserManagerService(context, this,
1367                    mInstallLock, mPackages);
1368
1369            // Propagate permission configuration in to package manager.
1370            ArrayMap<String, SystemConfig.PermissionEntry> permConfig
1371                    = systemConfig.getPermissions();
1372            for (int i=0; i<permConfig.size(); i++) {
1373                SystemConfig.PermissionEntry perm = permConfig.valueAt(i);
1374                BasePermission bp = mSettings.mPermissions.get(perm.name);
1375                if (bp == null) {
1376                    bp = new BasePermission(perm.name, null, BasePermission.TYPE_BUILTIN);
1377                    mSettings.mPermissions.put(perm.name, bp);
1378                }
1379                if (perm.gids != null) {
1380                    bp.gids = appendInts(bp.gids, perm.gids);
1381                }
1382            }
1383
1384            ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries();
1385            for (int i=0; i<libConfig.size(); i++) {
1386                mSharedLibraries.put(libConfig.keyAt(i),
1387                        new SharedLibraryEntry(libConfig.valueAt(i), null));
1388            }
1389
1390            mFoundPolicyFile = SELinuxMMAC.readInstallPolicy();
1391
1392            mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false),
1393                    mSdkVersion, mOnlyCore);
1394
1395            String customResolverActivity = Resources.getSystem().getString(
1396                    R.string.config_customResolverActivity);
1397            if (TextUtils.isEmpty(customResolverActivity)) {
1398                customResolverActivity = null;
1399            } else {
1400                mCustomResolverComponentName = ComponentName.unflattenFromString(
1401                        customResolverActivity);
1402            }
1403
1404            long startTime = SystemClock.uptimeMillis();
1405
1406            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START,
1407                    startTime);
1408
1409            // Set flag to monitor and not change apk file paths when
1410            // scanning install directories.
1411            int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING;
1412
1413            final HashSet<String> alreadyDexOpted = new HashSet<String>();
1414
1415            /**
1416             * Add everything in the in the boot class path to the
1417             * list of process files because dexopt will have been run
1418             * if necessary during zygote startup.
1419             */
1420            String bootClassPath = System.getProperty("java.boot.class.path");
1421            if (bootClassPath != null) {
1422                String[] paths = splitString(bootClassPath, ':');
1423                for (int i=0; i<paths.length; i++) {
1424                    alreadyDexOpted.add(paths[i]);
1425                }
1426            } else {
1427                Slog.w(TAG, "No BOOTCLASSPATH found!");
1428            }
1429
1430            boolean didDexOptLibraryOrTool = false;
1431
1432            final List<String> instructionSets = getAllInstructionSets();
1433
1434            /**
1435             * Ensure all external libraries have had dexopt run on them.
1436             */
1437            if (mSharedLibraries.size() > 0) {
1438                // NOTE: For now, we're compiling these system "shared libraries"
1439                // (and framework jars) into all available architectures. It's possible
1440                // to compile them only when we come across an app that uses them (there's
1441                // already logic for that in scanPackageLI) but that adds some complexity.
1442                for (String instructionSet : instructionSets) {
1443                    for (SharedLibraryEntry libEntry : mSharedLibraries.values()) {
1444                        final String lib = libEntry.path;
1445                        if (lib == null) {
1446                            continue;
1447                        }
1448
1449                        try {
1450                            if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) {
1451                                alreadyDexOpted.add(lib);
1452
1453                                // The list of "shared libraries" we have at this point is
1454                                mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet);
1455                                didDexOptLibraryOrTool = true;
1456                            }
1457                        } catch (FileNotFoundException e) {
1458                            Slog.w(TAG, "Library not found: " + lib);
1459                        } catch (IOException e) {
1460                            Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? "
1461                                    + e.getMessage());
1462                        }
1463                    }
1464                }
1465            }
1466
1467            File frameworkDir = new File(Environment.getRootDirectory(), "framework");
1468
1469            // Gross hack for now: we know this file doesn't contain any
1470            // code, so don't dexopt it to avoid the resulting log spew.
1471            alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk");
1472
1473            // Gross hack for now: we know this file is only part of
1474            // the boot class path for art, so don't dexopt it to
1475            // avoid the resulting log spew.
1476            alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar");
1477
1478            /**
1479             * And there are a number of commands implemented in Java, which
1480             * we currently need to do the dexopt on so that they can be
1481             * run from a non-root shell.
1482             */
1483            String[] frameworkFiles = frameworkDir.list();
1484            if (frameworkFiles != null) {
1485                // TODO: We could compile these only for the most preferred ABI. We should
1486                // first double check that the dex files for these commands are not referenced
1487                // by other system apps.
1488                for (String instructionSet : instructionSets) {
1489                    for (int i=0; i<frameworkFiles.length; i++) {
1490                        File libPath = new File(frameworkDir, frameworkFiles[i]);
1491                        String path = libPath.getPath();
1492                        // Skip the file if we already did it.
1493                        if (alreadyDexOpted.contains(path)) {
1494                            continue;
1495                        }
1496                        // Skip the file if it is not a type we want to dexopt.
1497                        if (!path.endsWith(".apk") && !path.endsWith(".jar")) {
1498                            continue;
1499                        }
1500                        try {
1501                            if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) {
1502                                mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet);
1503                                didDexOptLibraryOrTool = true;
1504                            }
1505                        } catch (FileNotFoundException e) {
1506                            Slog.w(TAG, "Jar not found: " + path);
1507                        } catch (IOException e) {
1508                            Slog.w(TAG, "Exception reading jar: " + path, e);
1509                        }
1510                    }
1511                }
1512            }
1513
1514            if (didDexOptLibraryOrTool) {
1515                // If we dexopted a library or tool, then something on the system has
1516                // changed. Consider this significant, and wipe away all other
1517                // existing dexopt files to ensure we don't leave any dangling around.
1518                //
1519                // TODO: This should be revisited because it isn't as good an indicator
1520                // as it used to be. It used to include the boot classpath but at some point
1521                // DexFile.isDexOptNeeded started returning false for the boot
1522                // class path files in all cases. It is very possible in a
1523                // small maintenance release update that the library and tool
1524                // jars may be unchanged but APK could be removed resulting in
1525                // unused dalvik-cache files.
1526                for (String instructionSet : instructionSets) {
1527                    mInstaller.pruneDexCache(instructionSet);
1528                }
1529
1530                // Additionally, delete all dex files from the root directory
1531                // since there shouldn't be any there anyway, unless we're upgrading
1532                // from an older OS version or a build that contained the "old" style
1533                // flat scheme.
1534                mInstaller.pruneDexCache(".");
1535            }
1536
1537            // Collect vendor overlay packages.
1538            // (Do this before scanning any apps.)
1539            // For security and version matching reason, only consider
1540            // overlay packages if they reside in VENDOR_OVERLAY_DIR.
1541            File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR);
1542            mVendorOverlayInstallObserver = new AppDirObserver(
1543                    vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false);
1544            mVendorOverlayInstallObserver.startWatching();
1545            scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM
1546                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0);
1547
1548            // Find base frameworks (resource packages without code).
1549            mFrameworkInstallObserver = new AppDirObserver(
1550                    frameworkDir.getPath(), OBSERVER_EVENTS, true, false);
1551            mFrameworkInstallObserver.startWatching();
1552            scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM
1553                    | PackageParser.PARSE_IS_SYSTEM_DIR
1554                    | PackageParser.PARSE_IS_PRIVILEGED,
1555                    scanMode | SCAN_NO_DEX, 0);
1556
1557            // Collected privileged system packages.
1558            File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app");
1559            mPrivilegedInstallObserver = new AppDirObserver(
1560                    privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true);
1561            mPrivilegedInstallObserver.startWatching();
1562            scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM
1563                    | PackageParser.PARSE_IS_SYSTEM_DIR
1564                    | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0);
1565
1566            // Collect ordinary system packages.
1567            File systemAppDir = new File(Environment.getRootDirectory(), "app");
1568            mSystemInstallObserver = new AppDirObserver(
1569                    systemAppDir.getPath(), OBSERVER_EVENTS, true, false);
1570            mSystemInstallObserver.startWatching();
1571            scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM
1572                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0);
1573
1574            // Collect all vendor packages.
1575            File vendorAppDir = new File("/vendor/app");
1576            try {
1577                vendorAppDir = vendorAppDir.getCanonicalFile();
1578            } catch (IOException e) {
1579                // failed to look up canonical path, continue with original one
1580            }
1581            mVendorInstallObserver = new AppDirObserver(
1582                    vendorAppDir.getPath(), OBSERVER_EVENTS, true, false);
1583            mVendorInstallObserver.startWatching();
1584            scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM
1585                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0);
1586
1587            // Collect all OEM packages.
1588            File oemAppDir = new File(Environment.getOemDirectory(), "app");
1589            mOemInstallObserver = new AppDirObserver(
1590                    oemAppDir.getPath(), OBSERVER_EVENTS, true, false);
1591            mOemInstallObserver.startWatching();
1592            scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM
1593                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0);
1594
1595            if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands");
1596            mInstaller.moveFiles();
1597
1598            // Prune any system packages that no longer exist.
1599            final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>();
1600            if (!mOnlyCore) {
1601                Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
1602                while (psit.hasNext()) {
1603                    PackageSetting ps = psit.next();
1604
1605                    /*
1606                     * If this is not a system app, it can't be a
1607                     * disable system app.
1608                     */
1609                    if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) {
1610                        continue;
1611                    }
1612
1613                    /*
1614                     * If the package is scanned, it's not erased.
1615                     */
1616                    final PackageParser.Package scannedPkg = mPackages.get(ps.name);
1617                    if (scannedPkg != null) {
1618                        /*
1619                         * If the system app is both scanned and in the
1620                         * disabled packages list, then it must have been
1621                         * added via OTA. Remove it from the currently
1622                         * scanned package so the previously user-installed
1623                         * application can be scanned.
1624                         */
1625                        if (mSettings.isDisabledSystemPackageLPr(ps.name)) {
1626                            Slog.i(TAG, "Expecting better updatd system app for " + ps.name
1627                                    + "; removing system app");
1628                            removePackageLI(ps, true);
1629                        }
1630
1631                        continue;
1632                    }
1633
1634                    if (!mSettings.isDisabledSystemPackageLPr(ps.name)) {
1635                        psit.remove();
1636                        String msg = "System package " + ps.name
1637                                + " no longer exists; wiping its data";
1638                        reportSettingsProblem(Log.WARN, msg);
1639                        removeDataDirsLI(ps.name);
1640                    } else {
1641                        final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name);
1642                        if (disabledPs.codePath == null || !disabledPs.codePath.exists()) {
1643                            possiblyDeletedUpdatedSystemApps.add(ps.name);
1644                        }
1645                    }
1646                }
1647            }
1648
1649            //look for any incomplete package installations
1650            ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr();
1651            //clean up list
1652            for(int i = 0; i < deletePkgsList.size(); i++) {
1653                //clean up here
1654                cleanupInstallFailedPackage(deletePkgsList.get(i));
1655            }
1656            //delete tmp files
1657            deleteTempPackageFiles();
1658
1659            // Remove any shared userIDs that have no associated packages
1660            mSettings.pruneSharedUsersLPw();
1661
1662            if (!mOnlyCore) {
1663                EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START,
1664                        SystemClock.uptimeMillis());
1665                mAppInstallObserver = new AppDirObserver(
1666                    mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false);
1667                mAppInstallObserver.startWatching();
1668                scanDirLI(mAppInstallDir, 0, scanMode, 0);
1669
1670                mDrmAppInstallObserver = new AppDirObserver(
1671                    mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false);
1672                mDrmAppInstallObserver.startWatching();
1673                scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK,
1674                        scanMode, 0);
1675
1676                /**
1677                 * Remove disable package settings for any updated system
1678                 * apps that were removed via an OTA. If they're not a
1679                 * previously-updated app, remove them completely.
1680                 * Otherwise, just revoke their system-level permissions.
1681                 */
1682                for (String deletedAppName : possiblyDeletedUpdatedSystemApps) {
1683                    PackageParser.Package deletedPkg = mPackages.get(deletedAppName);
1684                    mSettings.removeDisabledSystemPackageLPw(deletedAppName);
1685
1686                    String msg;
1687                    if (deletedPkg == null) {
1688                        msg = "Updated system package " + deletedAppName
1689                                + " no longer exists; wiping its data";
1690                        removeDataDirsLI(deletedAppName);
1691                    } else {
1692                        msg = "Updated system app + " + deletedAppName
1693                                + " no longer present; removing system privileges for "
1694                                + deletedAppName;
1695
1696                        deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM;
1697
1698                        PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName);
1699                        deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM;
1700                    }
1701                    reportSettingsProblem(Log.WARN, msg);
1702                }
1703            } else {
1704                mAppInstallObserver = null;
1705                mDrmAppInstallObserver = null;
1706            }
1707
1708            // Now that we know all of the shared libraries, update all clients to have
1709            // the correct library paths.
1710            updateAllSharedLibrariesLPw();
1711
1712            for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) {
1713                // NOTE: We ignore potential failures here during a system scan (like
1714                // the rest of the commands above) because there's precious little we
1715                // can do about it. A settings error is reported, though.
1716                adjustCpuAbisForSharedUserLPw(setting.packages, null,
1717                        false /* force dexopt */, false /* defer dexopt */);
1718            }
1719
1720            // Now that we know all the packages we are keeping,
1721            // read and update their last usage times.
1722            mPackageUsage.readLP();
1723
1724            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END,
1725                    SystemClock.uptimeMillis());
1726            Slog.i(TAG, "Time to scan packages: "
1727                    + ((SystemClock.uptimeMillis()-startTime)/1000f)
1728                    + " seconds");
1729
1730            // If the platform SDK has changed since the last time we booted,
1731            // we need to re-grant app permission to catch any new ones that
1732            // appear.  This is really a hack, and means that apps can in some
1733            // cases get permissions that the user didn't initially explicitly
1734            // allow...  it would be nice to have some better way to handle
1735            // this situation.
1736            final boolean regrantPermissions = mSettings.mInternalSdkPlatform
1737                    != mSdkVersion;
1738            if (regrantPermissions) Slog.i(TAG, "Platform changed from "
1739                    + mSettings.mInternalSdkPlatform + " to " + mSdkVersion
1740                    + "; regranting permissions for internal storage");
1741            mSettings.mInternalSdkPlatform = mSdkVersion;
1742
1743            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
1744                    | (regrantPermissions
1745                            ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
1746                            : 0));
1747
1748            // If this is the first boot, and it is a normal boot, then
1749            // we need to initialize the default preferred apps.
1750            if (!mRestoredSettings && !onlyCore) {
1751                mSettings.readDefaultPreferredAppsLPw(this, 0);
1752            }
1753
1754            // All the changes are done during package scanning.
1755            mSettings.updateInternalDatabaseVersion();
1756
1757            // can downgrade to reader
1758            mSettings.writeLPr();
1759
1760            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY,
1761                    SystemClock.uptimeMillis());
1762
1763
1764            mRequiredVerifierPackage = getRequiredVerifierLPr();
1765        } // synchronized (mPackages)
1766        } // synchronized (mInstallLock)
1767
1768        mInstallerService = new PackageInstallerService(context, this, mAppInstallDir);
1769
1770        // Now after opening every single application zip, make sure they
1771        // are all flushed.  Not really needed, but keeps things nice and
1772        // tidy.
1773        Runtime.getRuntime().gc();
1774    }
1775
1776    @Override
1777    public boolean isFirstBoot() {
1778        return !mRestoredSettings;
1779    }
1780
1781    @Override
1782    public boolean isOnlyCoreApps() {
1783        return mOnlyCore;
1784    }
1785
1786    private String getRequiredVerifierLPr() {
1787        final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
1788        final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
1789                PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */);
1790
1791        String requiredVerifier = null;
1792
1793        final int N = receivers.size();
1794        for (int i = 0; i < N; i++) {
1795            final ResolveInfo info = receivers.get(i);
1796
1797            if (info.activityInfo == null) {
1798                continue;
1799            }
1800
1801            final String packageName = info.activityInfo.packageName;
1802
1803            final PackageSetting ps = mSettings.mPackages.get(packageName);
1804            if (ps == null) {
1805                continue;
1806            }
1807
1808            final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
1809            if (!gp.grantedPermissions
1810                    .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) {
1811                continue;
1812            }
1813
1814            if (requiredVerifier != null) {
1815                throw new RuntimeException("There can be only one required verifier");
1816            }
1817
1818            requiredVerifier = packageName;
1819        }
1820
1821        return requiredVerifier;
1822    }
1823
1824    @Override
1825    public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
1826            throws RemoteException {
1827        try {
1828            return super.onTransact(code, data, reply, flags);
1829        } catch (RuntimeException e) {
1830            if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) {
1831                Slog.wtf(TAG, "Package Manager Crash", e);
1832            }
1833            throw e;
1834        }
1835    }
1836
1837    void cleanupInstallFailedPackage(PackageSetting ps) {
1838        Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name);
1839        removeDataDirsLI(ps.name);
1840
1841        // TODO: try cleaning up codePath directory contents first, since it
1842        // might be a cluster
1843
1844        if (ps.codePath != null) {
1845            if (!ps.codePath.delete()) {
1846                Slog.w(TAG, "Unable to remove old code file: " + ps.codePath);
1847            }
1848        }
1849        if (ps.resourcePath != null) {
1850            if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) {
1851                Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath);
1852            }
1853        }
1854        mSettings.removePackageLPw(ps.name);
1855    }
1856
1857    static int[] appendInts(int[] cur, int[] add) {
1858        if (add == null) return cur;
1859        if (cur == null) return add;
1860        final int N = add.length;
1861        for (int i=0; i<N; i++) {
1862            cur = appendInt(cur, add[i]);
1863        }
1864        return cur;
1865    }
1866
1867    static int[] removeInts(int[] cur, int[] rem) {
1868        if (rem == null) return cur;
1869        if (cur == null) return cur;
1870        final int N = rem.length;
1871        for (int i=0; i<N; i++) {
1872            cur = removeInt(cur, rem[i]);
1873        }
1874        return cur;
1875    }
1876
1877    PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) {
1878        if (!sUserManager.exists(userId)) return null;
1879        final PackageSetting ps = (PackageSetting) p.mExtras;
1880        if (ps == null) {
1881            return null;
1882        }
1883        final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
1884        final PackageUserState state = ps.readUserState(userId);
1885        return PackageParser.generatePackageInfo(p, gp.gids, flags,
1886                ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions,
1887                state, userId);
1888    }
1889
1890    @Override
1891    public boolean isPackageAvailable(String packageName, int userId) {
1892        if (!sUserManager.exists(userId)) return false;
1893        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available");
1894        synchronized (mPackages) {
1895            PackageParser.Package p = mPackages.get(packageName);
1896            if (p != null) {
1897                final PackageSetting ps = (PackageSetting) p.mExtras;
1898                if (ps != null) {
1899                    final PackageUserState state = ps.readUserState(userId);
1900                    if (state != null) {
1901                        return PackageParser.isAvailable(state);
1902                    }
1903                }
1904            }
1905        }
1906        return false;
1907    }
1908
1909    @Override
1910    public PackageInfo getPackageInfo(String packageName, int flags, int userId) {
1911        if (!sUserManager.exists(userId)) return null;
1912        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info");
1913        // reader
1914        synchronized (mPackages) {
1915            PackageParser.Package p = mPackages.get(packageName);
1916            if (DEBUG_PACKAGE_INFO)
1917                Log.v(TAG, "getPackageInfo " + packageName + ": " + p);
1918            if (p != null) {
1919                return generatePackageInfo(p, flags, userId);
1920            }
1921            if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
1922                return generatePackageInfoFromSettingsLPw(packageName, flags, userId);
1923            }
1924        }
1925        return null;
1926    }
1927
1928    @Override
1929    public String[] currentToCanonicalPackageNames(String[] names) {
1930        String[] out = new String[names.length];
1931        // reader
1932        synchronized (mPackages) {
1933            for (int i=names.length-1; i>=0; i--) {
1934                PackageSetting ps = mSettings.mPackages.get(names[i]);
1935                out[i] = ps != null && ps.realName != null ? ps.realName : names[i];
1936            }
1937        }
1938        return out;
1939    }
1940
1941    @Override
1942    public String[] canonicalToCurrentPackageNames(String[] names) {
1943        String[] out = new String[names.length];
1944        // reader
1945        synchronized (mPackages) {
1946            for (int i=names.length-1; i>=0; i--) {
1947                String cur = mSettings.mRenamedPackages.get(names[i]);
1948                out[i] = cur != null ? cur : names[i];
1949            }
1950        }
1951        return out;
1952    }
1953
1954    @Override
1955    public int getPackageUid(String packageName, int userId) {
1956        if (!sUserManager.exists(userId)) return -1;
1957        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid");
1958        // reader
1959        synchronized (mPackages) {
1960            PackageParser.Package p = mPackages.get(packageName);
1961            if(p != null) {
1962                return UserHandle.getUid(userId, p.applicationInfo.uid);
1963            }
1964            PackageSetting ps = mSettings.mPackages.get(packageName);
1965            if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) {
1966                return -1;
1967            }
1968            p = ps.pkg;
1969            return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1;
1970        }
1971    }
1972
1973    @Override
1974    public int[] getPackageGids(String packageName) {
1975        // reader
1976        synchronized (mPackages) {
1977            PackageParser.Package p = mPackages.get(packageName);
1978            if (DEBUG_PACKAGE_INFO)
1979                Log.v(TAG, "getPackageGids" + packageName + ": " + p);
1980            if (p != null) {
1981                final PackageSetting ps = (PackageSetting)p.mExtras;
1982                return ps.getGids();
1983            }
1984        }
1985        // stupid thing to indicate an error.
1986        return new int[0];
1987    }
1988
1989    static final PermissionInfo generatePermissionInfo(
1990            BasePermission bp, int flags) {
1991        if (bp.perm != null) {
1992            return PackageParser.generatePermissionInfo(bp.perm, flags);
1993        }
1994        PermissionInfo pi = new PermissionInfo();
1995        pi.name = bp.name;
1996        pi.packageName = bp.sourcePackage;
1997        pi.nonLocalizedLabel = bp.name;
1998        pi.protectionLevel = bp.protectionLevel;
1999        return pi;
2000    }
2001
2002    @Override
2003    public PermissionInfo getPermissionInfo(String name, int flags) {
2004        // reader
2005        synchronized (mPackages) {
2006            final BasePermission p = mSettings.mPermissions.get(name);
2007            if (p != null) {
2008                return generatePermissionInfo(p, flags);
2009            }
2010            return null;
2011        }
2012    }
2013
2014    @Override
2015    public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) {
2016        // reader
2017        synchronized (mPackages) {
2018            ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10);
2019            for (BasePermission p : mSettings.mPermissions.values()) {
2020                if (group == null) {
2021                    if (p.perm == null || p.perm.info.group == null) {
2022                        out.add(generatePermissionInfo(p, flags));
2023                    }
2024                } else {
2025                    if (p.perm != null && group.equals(p.perm.info.group)) {
2026                        out.add(PackageParser.generatePermissionInfo(p.perm, flags));
2027                    }
2028                }
2029            }
2030
2031            if (out.size() > 0) {
2032                return out;
2033            }
2034            return mPermissionGroups.containsKey(group) ? out : null;
2035        }
2036    }
2037
2038    @Override
2039    public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) {
2040        // reader
2041        synchronized (mPackages) {
2042            return PackageParser.generatePermissionGroupInfo(
2043                    mPermissionGroups.get(name), flags);
2044        }
2045    }
2046
2047    @Override
2048    public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
2049        // reader
2050        synchronized (mPackages) {
2051            final int N = mPermissionGroups.size();
2052            ArrayList<PermissionGroupInfo> out
2053                    = new ArrayList<PermissionGroupInfo>(N);
2054            for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) {
2055                out.add(PackageParser.generatePermissionGroupInfo(pg, flags));
2056            }
2057            return out;
2058        }
2059    }
2060
2061    private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags,
2062            int userId) {
2063        if (!sUserManager.exists(userId)) return null;
2064        PackageSetting ps = mSettings.mPackages.get(packageName);
2065        if (ps != null) {
2066            if (ps.pkg == null) {
2067                PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName,
2068                        flags, userId);
2069                if (pInfo != null) {
2070                    return pInfo.applicationInfo;
2071                }
2072                return null;
2073            }
2074            return PackageParser.generateApplicationInfo(ps.pkg, flags,
2075                    ps.readUserState(userId), userId);
2076        }
2077        return null;
2078    }
2079
2080    private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags,
2081            int userId) {
2082        if (!sUserManager.exists(userId)) return null;
2083        PackageSetting ps = mSettings.mPackages.get(packageName);
2084        if (ps != null) {
2085            PackageParser.Package pkg = ps.pkg;
2086            if (pkg == null) {
2087                if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) {
2088                    return null;
2089                }
2090                // Only data remains, so we aren't worried about code paths
2091                pkg = new PackageParser.Package(packageName);
2092                pkg.applicationInfo.packageName = packageName;
2093                pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY;
2094                pkg.applicationInfo.dataDir =
2095                        getDataPathForPackage(packageName, 0).getPath();
2096                pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString;
2097                pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString;
2098            }
2099            return generatePackageInfo(pkg, flags, userId);
2100        }
2101        return null;
2102    }
2103
2104    @Override
2105    public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) {
2106        if (!sUserManager.exists(userId)) return null;
2107        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info");
2108        // writer
2109        synchronized (mPackages) {
2110            PackageParser.Package p = mPackages.get(packageName);
2111            if (DEBUG_PACKAGE_INFO) Log.v(
2112                    TAG, "getApplicationInfo " + packageName
2113                    + ": " + p);
2114            if (p != null) {
2115                PackageSetting ps = mSettings.mPackages.get(packageName);
2116                if (ps == null) return null;
2117                // Note: isEnabledLP() does not apply here - always return info
2118                return PackageParser.generateApplicationInfo(
2119                        p, flags, ps.readUserState(userId), userId);
2120            }
2121            if ("android".equals(packageName)||"system".equals(packageName)) {
2122                return mAndroidApplication;
2123            }
2124            if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
2125                return generateApplicationInfoFromSettingsLPw(packageName, flags, userId);
2126            }
2127        }
2128        return null;
2129    }
2130
2131
2132    @Override
2133    public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) {
2134        mContext.enforceCallingOrSelfPermission(
2135                android.Manifest.permission.CLEAR_APP_CACHE, null);
2136        // Queue up an async operation since clearing cache may take a little while.
2137        mHandler.post(new Runnable() {
2138            public void run() {
2139                mHandler.removeCallbacks(this);
2140                int retCode = -1;
2141                synchronized (mInstallLock) {
2142                    retCode = mInstaller.freeCache(freeStorageSize);
2143                    if (retCode < 0) {
2144                        Slog.w(TAG, "Couldn't clear application caches");
2145                    }
2146                }
2147                if (observer != null) {
2148                    try {
2149                        observer.onRemoveCompleted(null, (retCode >= 0));
2150                    } catch (RemoteException e) {
2151                        Slog.w(TAG, "RemoveException when invoking call back");
2152                    }
2153                }
2154            }
2155        });
2156    }
2157
2158    @Override
2159    public void freeStorage(final long freeStorageSize, final IntentSender pi) {
2160        mContext.enforceCallingOrSelfPermission(
2161                android.Manifest.permission.CLEAR_APP_CACHE, null);
2162        // Queue up an async operation since clearing cache may take a little while.
2163        mHandler.post(new Runnable() {
2164            public void run() {
2165                mHandler.removeCallbacks(this);
2166                int retCode = -1;
2167                synchronized (mInstallLock) {
2168                    retCode = mInstaller.freeCache(freeStorageSize);
2169                    if (retCode < 0) {
2170                        Slog.w(TAG, "Couldn't clear application caches");
2171                    }
2172                }
2173                if(pi != null) {
2174                    try {
2175                        // Callback via pending intent
2176                        int code = (retCode >= 0) ? 1 : 0;
2177                        pi.sendIntent(null, code, null,
2178                                null, null);
2179                    } catch (SendIntentException e1) {
2180                        Slog.i(TAG, "Failed to send pending intent");
2181                    }
2182                }
2183            }
2184        });
2185    }
2186
2187    void freeStorage(long freeStorageSize) throws IOException {
2188        synchronized (mInstallLock) {
2189            if (mInstaller.freeCache(freeStorageSize) < 0) {
2190                throw new IOException("Failed to free enough space");
2191            }
2192        }
2193    }
2194
2195    @Override
2196    public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) {
2197        if (!sUserManager.exists(userId)) return null;
2198        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info");
2199        synchronized (mPackages) {
2200            PackageParser.Activity a = mActivities.mActivities.get(component);
2201
2202            if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a);
2203            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
2204                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2205                if (ps == null) return null;
2206                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
2207                        userId);
2208            }
2209            if (mResolveComponentName.equals(component)) {
2210                return mResolveActivity;
2211            }
2212        }
2213        return null;
2214    }
2215
2216    @Override
2217    public boolean activitySupportsIntent(ComponentName component, Intent intent,
2218            String resolvedType) {
2219        synchronized (mPackages) {
2220            PackageParser.Activity a = mActivities.mActivities.get(component);
2221            if (a == null) {
2222                return false;
2223            }
2224            for (int i=0; i<a.intents.size(); i++) {
2225                if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(),
2226                        intent.getData(), intent.getCategories(), TAG) >= 0) {
2227                    return true;
2228                }
2229            }
2230            return false;
2231        }
2232    }
2233
2234    @Override
2235    public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) {
2236        if (!sUserManager.exists(userId)) return null;
2237        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info");
2238        synchronized (mPackages) {
2239            PackageParser.Activity a = mReceivers.mActivities.get(component);
2240            if (DEBUG_PACKAGE_INFO) Log.v(
2241                TAG, "getReceiverInfo " + component + ": " + a);
2242            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
2243                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2244                if (ps == null) return null;
2245                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
2246                        userId);
2247            }
2248        }
2249        return null;
2250    }
2251
2252    @Override
2253    public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) {
2254        if (!sUserManager.exists(userId)) return null;
2255        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info");
2256        synchronized (mPackages) {
2257            PackageParser.Service s = mServices.mServices.get(component);
2258            if (DEBUG_PACKAGE_INFO) Log.v(
2259                TAG, "getServiceInfo " + component + ": " + s);
2260            if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) {
2261                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2262                if (ps == null) return null;
2263                return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId),
2264                        userId);
2265            }
2266        }
2267        return null;
2268    }
2269
2270    @Override
2271    public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) {
2272        if (!sUserManager.exists(userId)) return null;
2273        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info");
2274        synchronized (mPackages) {
2275            PackageParser.Provider p = mProviders.mProviders.get(component);
2276            if (DEBUG_PACKAGE_INFO) Log.v(
2277                TAG, "getProviderInfo " + component + ": " + p);
2278            if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) {
2279                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2280                if (ps == null) return null;
2281                return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId),
2282                        userId);
2283            }
2284        }
2285        return null;
2286    }
2287
2288    @Override
2289    public String[] getSystemSharedLibraryNames() {
2290        Set<String> libSet;
2291        synchronized (mPackages) {
2292            libSet = mSharedLibraries.keySet();
2293            int size = libSet.size();
2294            if (size > 0) {
2295                String[] libs = new String[size];
2296                libSet.toArray(libs);
2297                return libs;
2298            }
2299        }
2300        return null;
2301    }
2302
2303    @Override
2304    public FeatureInfo[] getSystemAvailableFeatures() {
2305        Collection<FeatureInfo> featSet;
2306        synchronized (mPackages) {
2307            featSet = mAvailableFeatures.values();
2308            int size = featSet.size();
2309            if (size > 0) {
2310                FeatureInfo[] features = new FeatureInfo[size+1];
2311                featSet.toArray(features);
2312                FeatureInfo fi = new FeatureInfo();
2313                fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version",
2314                        FeatureInfo.GL_ES_VERSION_UNDEFINED);
2315                features[size] = fi;
2316                return features;
2317            }
2318        }
2319        return null;
2320    }
2321
2322    @Override
2323    public boolean hasSystemFeature(String name) {
2324        synchronized (mPackages) {
2325            return mAvailableFeatures.containsKey(name);
2326        }
2327    }
2328
2329    private void checkValidCaller(int uid, int userId) {
2330        if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0)
2331            return;
2332
2333        throw new SecurityException("Caller uid=" + uid
2334                + " is not privileged to communicate with user=" + userId);
2335    }
2336
2337    @Override
2338    public int checkPermission(String permName, String pkgName) {
2339        synchronized (mPackages) {
2340            PackageParser.Package p = mPackages.get(pkgName);
2341            if (p != null && p.mExtras != null) {
2342                PackageSetting ps = (PackageSetting)p.mExtras;
2343                if (ps.sharedUser != null) {
2344                    if (ps.sharedUser.grantedPermissions.contains(permName)) {
2345                        return PackageManager.PERMISSION_GRANTED;
2346                    }
2347                } else if (ps.grantedPermissions.contains(permName)) {
2348                    return PackageManager.PERMISSION_GRANTED;
2349                }
2350            }
2351        }
2352        return PackageManager.PERMISSION_DENIED;
2353    }
2354
2355    @Override
2356    public int checkUidPermission(String permName, int uid) {
2357        synchronized (mPackages) {
2358            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2359            if (obj != null) {
2360                GrantedPermissions gp = (GrantedPermissions)obj;
2361                if (gp.grantedPermissions.contains(permName)) {
2362                    return PackageManager.PERMISSION_GRANTED;
2363                }
2364            } else {
2365                HashSet<String> perms = mSystemPermissions.get(uid);
2366                if (perms != null && perms.contains(permName)) {
2367                    return PackageManager.PERMISSION_GRANTED;
2368                }
2369            }
2370        }
2371        return PackageManager.PERMISSION_DENIED;
2372    }
2373
2374    /**
2375     * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS
2376     * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller.
2377     * @param message the message to log on security exception
2378     */
2379    void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission,
2380            String message) {
2381        if (userId < 0) {
2382            throw new IllegalArgumentException("Invalid userId " + userId);
2383        }
2384        if (userId == UserHandle.getUserId(callingUid)) return;
2385        if (callingUid != Process.SYSTEM_UID && callingUid != 0) {
2386            if (requireFullPermission) {
2387                mContext.enforceCallingOrSelfPermission(
2388                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
2389            } else {
2390                try {
2391                    mContext.enforceCallingOrSelfPermission(
2392                            android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
2393                } catch (SecurityException se) {
2394                    mContext.enforceCallingOrSelfPermission(
2395                            android.Manifest.permission.INTERACT_ACROSS_USERS, message);
2396                }
2397            }
2398        }
2399    }
2400
2401    private BasePermission findPermissionTreeLP(String permName) {
2402        for(BasePermission bp : mSettings.mPermissionTrees.values()) {
2403            if (permName.startsWith(bp.name) &&
2404                    permName.length() > bp.name.length() &&
2405                    permName.charAt(bp.name.length()) == '.') {
2406                return bp;
2407            }
2408        }
2409        return null;
2410    }
2411
2412    private BasePermission checkPermissionTreeLP(String permName) {
2413        if (permName != null) {
2414            BasePermission bp = findPermissionTreeLP(permName);
2415            if (bp != null) {
2416                if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) {
2417                    return bp;
2418                }
2419                throw new SecurityException("Calling uid "
2420                        + Binder.getCallingUid()
2421                        + " is not allowed to add to permission tree "
2422                        + bp.name + " owned by uid " + bp.uid);
2423            }
2424        }
2425        throw new SecurityException("No permission tree found for " + permName);
2426    }
2427
2428    static boolean compareStrings(CharSequence s1, CharSequence s2) {
2429        if (s1 == null) {
2430            return s2 == null;
2431        }
2432        if (s2 == null) {
2433            return false;
2434        }
2435        if (s1.getClass() != s2.getClass()) {
2436            return false;
2437        }
2438        return s1.equals(s2);
2439    }
2440
2441    static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) {
2442        if (pi1.icon != pi2.icon) return false;
2443        if (pi1.logo != pi2.logo) return false;
2444        if (pi1.protectionLevel != pi2.protectionLevel) return false;
2445        if (!compareStrings(pi1.name, pi2.name)) return false;
2446        if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false;
2447        // We'll take care of setting this one.
2448        if (!compareStrings(pi1.packageName, pi2.packageName)) return false;
2449        // These are not currently stored in settings.
2450        //if (!compareStrings(pi1.group, pi2.group)) return false;
2451        //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false;
2452        //if (pi1.labelRes != pi2.labelRes) return false;
2453        //if (pi1.descriptionRes != pi2.descriptionRes) return false;
2454        return true;
2455    }
2456
2457    int permissionInfoFootprint(PermissionInfo info) {
2458        int size = info.name.length();
2459        if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length();
2460        if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length();
2461        return size;
2462    }
2463
2464    int calculateCurrentPermissionFootprintLocked(BasePermission tree) {
2465        int size = 0;
2466        for (BasePermission perm : mSettings.mPermissions.values()) {
2467            if (perm.uid == tree.uid) {
2468                size += perm.name.length() + permissionInfoFootprint(perm.perm.info);
2469            }
2470        }
2471        return size;
2472    }
2473
2474    void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) {
2475        // We calculate the max size of permissions defined by this uid and throw
2476        // if that plus the size of 'info' would exceed our stated maximum.
2477        if (tree.uid != Process.SYSTEM_UID) {
2478            final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree);
2479            if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) {
2480                throw new SecurityException("Permission tree size cap exceeded");
2481            }
2482        }
2483    }
2484
2485    boolean addPermissionLocked(PermissionInfo info, boolean async) {
2486        if (info.labelRes == 0 && info.nonLocalizedLabel == null) {
2487            throw new SecurityException("Label must be specified in permission");
2488        }
2489        BasePermission tree = checkPermissionTreeLP(info.name);
2490        BasePermission bp = mSettings.mPermissions.get(info.name);
2491        boolean added = bp == null;
2492        boolean changed = true;
2493        int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel);
2494        if (added) {
2495            enforcePermissionCapLocked(info, tree);
2496            bp = new BasePermission(info.name, tree.sourcePackage,
2497                    BasePermission.TYPE_DYNAMIC);
2498        } else if (bp.type != BasePermission.TYPE_DYNAMIC) {
2499            throw new SecurityException(
2500                    "Not allowed to modify non-dynamic permission "
2501                    + info.name);
2502        } else {
2503            if (bp.protectionLevel == fixedLevel
2504                    && bp.perm.owner.equals(tree.perm.owner)
2505                    && bp.uid == tree.uid
2506                    && comparePermissionInfos(bp.perm.info, info)) {
2507                changed = false;
2508            }
2509        }
2510        bp.protectionLevel = fixedLevel;
2511        info = new PermissionInfo(info);
2512        info.protectionLevel = fixedLevel;
2513        bp.perm = new PackageParser.Permission(tree.perm.owner, info);
2514        bp.perm.info.packageName = tree.perm.info.packageName;
2515        bp.uid = tree.uid;
2516        if (added) {
2517            mSettings.mPermissions.put(info.name, bp);
2518        }
2519        if (changed) {
2520            if (!async) {
2521                mSettings.writeLPr();
2522            } else {
2523                scheduleWriteSettingsLocked();
2524            }
2525        }
2526        return added;
2527    }
2528
2529    @Override
2530    public boolean addPermission(PermissionInfo info) {
2531        synchronized (mPackages) {
2532            return addPermissionLocked(info, false);
2533        }
2534    }
2535
2536    @Override
2537    public boolean addPermissionAsync(PermissionInfo info) {
2538        synchronized (mPackages) {
2539            return addPermissionLocked(info, true);
2540        }
2541    }
2542
2543    @Override
2544    public void removePermission(String name) {
2545        synchronized (mPackages) {
2546            checkPermissionTreeLP(name);
2547            BasePermission bp = mSettings.mPermissions.get(name);
2548            if (bp != null) {
2549                if (bp.type != BasePermission.TYPE_DYNAMIC) {
2550                    throw new SecurityException(
2551                            "Not allowed to modify non-dynamic permission "
2552                            + name);
2553                }
2554                mSettings.mPermissions.remove(name);
2555                mSettings.writeLPr();
2556            }
2557        }
2558    }
2559
2560    private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) {
2561        int index = pkg.requestedPermissions.indexOf(bp.name);
2562        if (index == -1) {
2563            throw new SecurityException("Package " + pkg.packageName
2564                    + " has not requested permission " + bp.name);
2565        }
2566        boolean isNormal =
2567                ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE)
2568                        == PermissionInfo.PROTECTION_NORMAL);
2569        boolean isDangerous =
2570                ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE)
2571                        == PermissionInfo.PROTECTION_DANGEROUS);
2572        boolean isDevelopment =
2573                ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0);
2574
2575        if (!isNormal && !isDangerous && !isDevelopment) {
2576            throw new SecurityException("Permission " + bp.name
2577                    + " is not a changeable permission type");
2578        }
2579
2580        if (isNormal || isDangerous) {
2581            if (pkg.requestedPermissionsRequired.get(index)) {
2582                throw new SecurityException("Can't change " + bp.name
2583                        + ". It is required by the application");
2584            }
2585        }
2586    }
2587
2588    @Override
2589    public void grantPermission(String packageName, String permissionName) {
2590        mContext.enforceCallingOrSelfPermission(
2591                android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null);
2592        synchronized (mPackages) {
2593            final PackageParser.Package pkg = mPackages.get(packageName);
2594            if (pkg == null) {
2595                throw new IllegalArgumentException("Unknown package: " + packageName);
2596            }
2597            final BasePermission bp = mSettings.mPermissions.get(permissionName);
2598            if (bp == null) {
2599                throw new IllegalArgumentException("Unknown permission: " + permissionName);
2600            }
2601
2602            checkGrantRevokePermissions(pkg, bp);
2603
2604            final PackageSetting ps = (PackageSetting) pkg.mExtras;
2605            if (ps == null) {
2606                return;
2607            }
2608            final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps;
2609            if (gp.grantedPermissions.add(permissionName)) {
2610                if (ps.haveGids) {
2611                    gp.gids = appendInts(gp.gids, bp.gids);
2612                }
2613                mSettings.writeLPr();
2614            }
2615        }
2616    }
2617
2618    @Override
2619    public void revokePermission(String packageName, String permissionName) {
2620        int changedAppId = -1;
2621
2622        synchronized (mPackages) {
2623            final PackageParser.Package pkg = mPackages.get(packageName);
2624            if (pkg == null) {
2625                throw new IllegalArgumentException("Unknown package: " + packageName);
2626            }
2627            if (pkg.applicationInfo.uid != Binder.getCallingUid()) {
2628                mContext.enforceCallingOrSelfPermission(
2629                        android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null);
2630            }
2631            final BasePermission bp = mSettings.mPermissions.get(permissionName);
2632            if (bp == null) {
2633                throw new IllegalArgumentException("Unknown permission: " + permissionName);
2634            }
2635
2636            checkGrantRevokePermissions(pkg, bp);
2637
2638            final PackageSetting ps = (PackageSetting) pkg.mExtras;
2639            if (ps == null) {
2640                return;
2641            }
2642            final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps;
2643            if (gp.grantedPermissions.remove(permissionName)) {
2644                gp.grantedPermissions.remove(permissionName);
2645                if (ps.haveGids) {
2646                    gp.gids = removeInts(gp.gids, bp.gids);
2647                }
2648                mSettings.writeLPr();
2649                changedAppId = ps.appId;
2650            }
2651        }
2652
2653        if (changedAppId >= 0) {
2654            // We changed the perm on someone, kill its processes.
2655            IActivityManager am = ActivityManagerNative.getDefault();
2656            if (am != null) {
2657                final int callingUserId = UserHandle.getCallingUserId();
2658                final long ident = Binder.clearCallingIdentity();
2659                try {
2660                    //XXX we should only revoke for the calling user's app permissions,
2661                    // but for now we impact all users.
2662                    //am.killUid(UserHandle.getUid(callingUserId, changedAppId),
2663                    //        "revoke " + permissionName);
2664                    int[] users = sUserManager.getUserIds();
2665                    for (int user : users) {
2666                        am.killUid(UserHandle.getUid(user, changedAppId),
2667                                "revoke " + permissionName);
2668                    }
2669                } catch (RemoteException e) {
2670                } finally {
2671                    Binder.restoreCallingIdentity(ident);
2672                }
2673            }
2674        }
2675    }
2676
2677    @Override
2678    public boolean isProtectedBroadcast(String actionName) {
2679        synchronized (mPackages) {
2680            return mProtectedBroadcasts.contains(actionName);
2681        }
2682    }
2683
2684    @Override
2685    public int checkSignatures(String pkg1, String pkg2) {
2686        synchronized (mPackages) {
2687            final PackageParser.Package p1 = mPackages.get(pkg1);
2688            final PackageParser.Package p2 = mPackages.get(pkg2);
2689            if (p1 == null || p1.mExtras == null
2690                    || p2 == null || p2.mExtras == null) {
2691                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2692            }
2693            return compareSignatures(p1.mSignatures, p2.mSignatures);
2694        }
2695    }
2696
2697    @Override
2698    public int checkUidSignatures(int uid1, int uid2) {
2699        // Map to base uids.
2700        uid1 = UserHandle.getAppId(uid1);
2701        uid2 = UserHandle.getAppId(uid2);
2702        // reader
2703        synchronized (mPackages) {
2704            Signature[] s1;
2705            Signature[] s2;
2706            Object obj = mSettings.getUserIdLPr(uid1);
2707            if (obj != null) {
2708                if (obj instanceof SharedUserSetting) {
2709                    s1 = ((SharedUserSetting)obj).signatures.mSignatures;
2710                } else if (obj instanceof PackageSetting) {
2711                    s1 = ((PackageSetting)obj).signatures.mSignatures;
2712                } else {
2713                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2714                }
2715            } else {
2716                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2717            }
2718            obj = mSettings.getUserIdLPr(uid2);
2719            if (obj != null) {
2720                if (obj instanceof SharedUserSetting) {
2721                    s2 = ((SharedUserSetting)obj).signatures.mSignatures;
2722                } else if (obj instanceof PackageSetting) {
2723                    s2 = ((PackageSetting)obj).signatures.mSignatures;
2724                } else {
2725                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2726                }
2727            } else {
2728                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2729            }
2730            return compareSignatures(s1, s2);
2731        }
2732    }
2733
2734    /**
2735     * Compares two sets of signatures. Returns:
2736     * <br />
2737     * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null,
2738     * <br />
2739     * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null,
2740     * <br />
2741     * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null,
2742     * <br />
2743     * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical,
2744     * <br />
2745     * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ.
2746     */
2747    static int compareSignatures(Signature[] s1, Signature[] s2) {
2748        if (s1 == null) {
2749            return s2 == null
2750                    ? PackageManager.SIGNATURE_NEITHER_SIGNED
2751                    : PackageManager.SIGNATURE_FIRST_NOT_SIGNED;
2752        }
2753
2754        if (s2 == null) {
2755            return PackageManager.SIGNATURE_SECOND_NOT_SIGNED;
2756        }
2757
2758        if (s1.length != s2.length) {
2759            return PackageManager.SIGNATURE_NO_MATCH;
2760        }
2761
2762        // Since both signature sets are of size 1, we can compare without HashSets.
2763        if (s1.length == 1) {
2764            return s1[0].equals(s2[0]) ?
2765                    PackageManager.SIGNATURE_MATCH :
2766                    PackageManager.SIGNATURE_NO_MATCH;
2767        }
2768
2769        HashSet<Signature> set1 = new HashSet<Signature>();
2770        for (Signature sig : s1) {
2771            set1.add(sig);
2772        }
2773        HashSet<Signature> set2 = new HashSet<Signature>();
2774        for (Signature sig : s2) {
2775            set2.add(sig);
2776        }
2777        // Make sure s2 contains all signatures in s1.
2778        if (set1.equals(set2)) {
2779            return PackageManager.SIGNATURE_MATCH;
2780        }
2781        return PackageManager.SIGNATURE_NO_MATCH;
2782    }
2783
2784    /**
2785     * If the database version for this type of package (internal storage or
2786     * external storage) is less than the version where package signatures
2787     * were updated, return true.
2788     */
2789    private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
2790        return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan(
2791                DatabaseVersion.SIGNATURE_END_ENTITY))
2792                || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan(
2793                        DatabaseVersion.SIGNATURE_END_ENTITY));
2794    }
2795
2796    /**
2797     * Used for backward compatibility to make sure any packages with
2798     * certificate chains get upgraded to the new style. {@code existingSigs}
2799     * will be in the old format (since they were stored on disk from before the
2800     * system upgrade) and {@code scannedSigs} will be in the newer format.
2801     */
2802    private int compareSignaturesCompat(PackageSignatures existingSigs,
2803            PackageParser.Package scannedPkg) {
2804        if (!isCompatSignatureUpdateNeeded(scannedPkg)) {
2805            return PackageManager.SIGNATURE_NO_MATCH;
2806        }
2807
2808        HashSet<Signature> existingSet = new HashSet<Signature>();
2809        for (Signature sig : existingSigs.mSignatures) {
2810            existingSet.add(sig);
2811        }
2812        HashSet<Signature> scannedCompatSet = new HashSet<Signature>();
2813        for (Signature sig : scannedPkg.mSignatures) {
2814            try {
2815                Signature[] chainSignatures = sig.getChainSignatures();
2816                for (Signature chainSig : chainSignatures) {
2817                    scannedCompatSet.add(chainSig);
2818                }
2819            } catch (CertificateEncodingException e) {
2820                scannedCompatSet.add(sig);
2821            }
2822        }
2823        /*
2824         * Make sure the expanded scanned set contains all signatures in the
2825         * existing one.
2826         */
2827        if (scannedCompatSet.equals(existingSet)) {
2828            // Migrate the old signatures to the new scheme.
2829            existingSigs.assignSignatures(scannedPkg.mSignatures);
2830            // The new KeySets will be re-added later in the scanning process.
2831            synchronized (mPackages) {
2832                mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName);
2833            }
2834            return PackageManager.SIGNATURE_MATCH;
2835        }
2836        return PackageManager.SIGNATURE_NO_MATCH;
2837    }
2838
2839    @Override
2840    public String[] getPackagesForUid(int uid) {
2841        uid = UserHandle.getAppId(uid);
2842        // reader
2843        synchronized (mPackages) {
2844            Object obj = mSettings.getUserIdLPr(uid);
2845            if (obj instanceof SharedUserSetting) {
2846                final SharedUserSetting sus = (SharedUserSetting) obj;
2847                final int N = sus.packages.size();
2848                final String[] res = new String[N];
2849                final Iterator<PackageSetting> it = sus.packages.iterator();
2850                int i = 0;
2851                while (it.hasNext()) {
2852                    res[i++] = it.next().name;
2853                }
2854                return res;
2855            } else if (obj instanceof PackageSetting) {
2856                final PackageSetting ps = (PackageSetting) obj;
2857                return new String[] { ps.name };
2858            }
2859        }
2860        return null;
2861    }
2862
2863    @Override
2864    public String getNameForUid(int uid) {
2865        // reader
2866        synchronized (mPackages) {
2867            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2868            if (obj instanceof SharedUserSetting) {
2869                final SharedUserSetting sus = (SharedUserSetting) obj;
2870                return sus.name + ":" + sus.userId;
2871            } else if (obj instanceof PackageSetting) {
2872                final PackageSetting ps = (PackageSetting) obj;
2873                return ps.name;
2874            }
2875        }
2876        return null;
2877    }
2878
2879    @Override
2880    public int getUidForSharedUser(String sharedUserName) {
2881        if(sharedUserName == null) {
2882            return -1;
2883        }
2884        // reader
2885        synchronized (mPackages) {
2886            final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false);
2887            if (suid == null) {
2888                return -1;
2889            }
2890            return suid.userId;
2891        }
2892    }
2893
2894    @Override
2895    public int getFlagsForUid(int uid) {
2896        synchronized (mPackages) {
2897            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2898            if (obj instanceof SharedUserSetting) {
2899                final SharedUserSetting sus = (SharedUserSetting) obj;
2900                return sus.pkgFlags;
2901            } else if (obj instanceof PackageSetting) {
2902                final PackageSetting ps = (PackageSetting) obj;
2903                return ps.pkgFlags;
2904            }
2905        }
2906        return 0;
2907    }
2908
2909    @Override
2910    public ResolveInfo resolveIntent(Intent intent, String resolvedType,
2911            int flags, int userId) {
2912        if (!sUserManager.exists(userId)) return null;
2913        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent");
2914        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
2915        return chooseBestActivity(intent, resolvedType, flags, query, userId);
2916    }
2917
2918    @Override
2919    public void setLastChosenActivity(Intent intent, String resolvedType, int flags,
2920            IntentFilter filter, int match, ComponentName activity) {
2921        final int userId = UserHandle.getCallingUserId();
2922        if (DEBUG_PREFERRED) {
2923            Log.v(TAG, "setLastChosenActivity intent=" + intent
2924                + " resolvedType=" + resolvedType
2925                + " flags=" + flags
2926                + " filter=" + filter
2927                + " match=" + match
2928                + " activity=" + activity);
2929            filter.dump(new PrintStreamPrinter(System.out), "    ");
2930        }
2931        intent.setComponent(null);
2932        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
2933        // Find any earlier preferred or last chosen entries and nuke them
2934        findPreferredActivity(intent, resolvedType,
2935                flags, query, 0, false, true, false, userId);
2936        // Add the new activity as the last chosen for this filter
2937        addPreferredActivityInternal(filter, match, null, activity, false, userId);
2938    }
2939
2940    @Override
2941    public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) {
2942        final int userId = UserHandle.getCallingUserId();
2943        if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent);
2944        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
2945        return findPreferredActivity(intent, resolvedType, flags, query, 0,
2946                false, false, false, userId);
2947    }
2948
2949    private ResolveInfo chooseBestActivity(Intent intent, String resolvedType,
2950            int flags, List<ResolveInfo> query, int userId) {
2951        if (query != null) {
2952            final int N = query.size();
2953            if (N == 1) {
2954                return query.get(0);
2955            } else if (N > 1) {
2956                final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0);
2957                // If there is more than one activity with the same priority,
2958                // then let the user decide between them.
2959                ResolveInfo r0 = query.get(0);
2960                ResolveInfo r1 = query.get(1);
2961                if (DEBUG_INTENT_MATCHING || debug) {
2962                    Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs "
2963                            + r1.activityInfo.name + "=" + r1.priority);
2964                }
2965                // If the first activity has a higher priority, or a different
2966                // default, then it is always desireable to pick it.
2967                if (r0.priority != r1.priority
2968                        || r0.preferredOrder != r1.preferredOrder
2969                        || r0.isDefault != r1.isDefault) {
2970                    return query.get(0);
2971                }
2972                // If we have saved a preference for a preferred activity for
2973                // this Intent, use that.
2974                ResolveInfo ri = findPreferredActivity(intent, resolvedType,
2975                        flags, query, r0.priority, true, false, debug, userId);
2976                if (ri != null) {
2977                    return ri;
2978                }
2979                if (userId != 0) {
2980                    ri = new ResolveInfo(mResolveInfo);
2981                    ri.activityInfo = new ActivityInfo(ri.activityInfo);
2982                    ri.activityInfo.applicationInfo = new ApplicationInfo(
2983                            ri.activityInfo.applicationInfo);
2984                    ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId,
2985                            UserHandle.getAppId(ri.activityInfo.applicationInfo.uid));
2986                    return ri;
2987                }
2988                return mResolveInfo;
2989            }
2990        }
2991        return null;
2992    }
2993
2994    private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType,
2995            int flags, List<ResolveInfo> query, boolean debug, int userId) {
2996        final int N = query.size();
2997        PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
2998                .get(userId);
2999        // Get the list of persistent preferred activities that handle the intent
3000        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities...");
3001        List<PersistentPreferredActivity> pprefs = ppir != null
3002                ? ppir.queryIntent(intent, resolvedType,
3003                        (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
3004                : null;
3005        if (pprefs != null && pprefs.size() > 0) {
3006            final int M = pprefs.size();
3007            for (int i=0; i<M; i++) {
3008                final PersistentPreferredActivity ppa = pprefs.get(i);
3009                if (DEBUG_PREFERRED || debug) {
3010                    Slog.v(TAG, "Checking PersistentPreferredActivity ds="
3011                            + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>")
3012                            + "\n  component=" + ppa.mComponent);
3013                    ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3014                }
3015                final ActivityInfo ai = getActivityInfo(ppa.mComponent,
3016                        flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
3017                if (DEBUG_PREFERRED || debug) {
3018                    Slog.v(TAG, "Found persistent preferred activity:");
3019                    if (ai != null) {
3020                        ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3021                    } else {
3022                        Slog.v(TAG, "  null");
3023                    }
3024                }
3025                if (ai == null) {
3026                    // This previously registered persistent preferred activity
3027                    // component is no longer known. Ignore it and do NOT remove it.
3028                    continue;
3029                }
3030                for (int j=0; j<N; j++) {
3031                    final ResolveInfo ri = query.get(j);
3032                    if (!ri.activityInfo.applicationInfo.packageName
3033                            .equals(ai.applicationInfo.packageName)) {
3034                        continue;
3035                    }
3036                    if (!ri.activityInfo.name.equals(ai.name)) {
3037                        continue;
3038                    }
3039                    //  Found a persistent preference that can handle the intent.
3040                    if (DEBUG_PREFERRED || debug) {
3041                        Slog.v(TAG, "Returning persistent preferred activity: " +
3042                                ri.activityInfo.packageName + "/" + ri.activityInfo.name);
3043                    }
3044                    return ri;
3045                }
3046            }
3047        }
3048        return null;
3049    }
3050
3051    ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags,
3052            List<ResolveInfo> query, int priority, boolean always,
3053            boolean removeMatches, boolean debug, int userId) {
3054        if (!sUserManager.exists(userId)) return null;
3055        // writer
3056        synchronized (mPackages) {
3057            if (intent.getSelector() != null) {
3058                intent = intent.getSelector();
3059            }
3060            if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION);
3061
3062            // Try to find a matching persistent preferred activity.
3063            ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query,
3064                    debug, userId);
3065
3066            // If a persistent preferred activity matched, use it.
3067            if (pri != null) {
3068                return pri;
3069            }
3070
3071            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
3072            // Get the list of preferred activities that handle the intent
3073            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities...");
3074            List<PreferredActivity> prefs = pir != null
3075                    ? pir.queryIntent(intent, resolvedType,
3076                            (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
3077                    : null;
3078            if (prefs != null && prefs.size() > 0) {
3079                // First figure out how good the original match set is.
3080                // We will only allow preferred activities that came
3081                // from the same match quality.
3082                int match = 0;
3083
3084                if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match...");
3085
3086                final int N = query.size();
3087                for (int j=0; j<N; j++) {
3088                    final ResolveInfo ri = query.get(j);
3089                    if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo
3090                            + ": 0x" + Integer.toHexString(match));
3091                    if (ri.match > match) {
3092                        match = ri.match;
3093                    }
3094                }
3095
3096                if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x"
3097                        + Integer.toHexString(match));
3098
3099                match &= IntentFilter.MATCH_CATEGORY_MASK;
3100                final int M = prefs.size();
3101                for (int i=0; i<M; i++) {
3102                    final PreferredActivity pa = prefs.get(i);
3103                    if (DEBUG_PREFERRED || debug) {
3104                        Slog.v(TAG, "Checking PreferredActivity ds="
3105                                + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>")
3106                                + "\n  component=" + pa.mPref.mComponent);
3107                        pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3108                    }
3109                    if (pa.mPref.mMatch != match) {
3110                        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match "
3111                                + Integer.toHexString(pa.mPref.mMatch));
3112                        continue;
3113                    }
3114                    // If it's not an "always" type preferred activity and that's what we're
3115                    // looking for, skip it.
3116                    if (always && !pa.mPref.mAlways) {
3117                        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry");
3118                        continue;
3119                    }
3120                    final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent,
3121                            flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
3122                    if (DEBUG_PREFERRED || debug) {
3123                        Slog.v(TAG, "Found preferred activity:");
3124                        if (ai != null) {
3125                            ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3126                        } else {
3127                            Slog.v(TAG, "  null");
3128                        }
3129                    }
3130                    if (ai == null) {
3131                        // This previously registered preferred activity
3132                        // component is no longer known.  Most likely an update
3133                        // to the app was installed and in the new version this
3134                        // component no longer exists.  Clean it up by removing
3135                        // it from the preferred activities list, and skip it.
3136                        Slog.w(TAG, "Removing dangling preferred activity: "
3137                                + pa.mPref.mComponent);
3138                        pir.removeFilter(pa);
3139                        continue;
3140                    }
3141                    for (int j=0; j<N; j++) {
3142                        final ResolveInfo ri = query.get(j);
3143                        if (!ri.activityInfo.applicationInfo.packageName
3144                                .equals(ai.applicationInfo.packageName)) {
3145                            continue;
3146                        }
3147                        if (!ri.activityInfo.name.equals(ai.name)) {
3148                            continue;
3149                        }
3150
3151                        if (removeMatches) {
3152                            pir.removeFilter(pa);
3153                            if (DEBUG_PREFERRED) {
3154                                Slog.v(TAG, "Removing match " + pa.mPref.mComponent);
3155                            }
3156                            break;
3157                        }
3158
3159                        // Okay we found a previously set preferred or last chosen app.
3160                        // If the result set is different from when this
3161                        // was created, we need to clear it and re-ask the
3162                        // user their preference, if we're looking for an "always" type entry.
3163                        if (always && !pa.mPref.sameSet(query, priority)) {
3164                            Slog.i(TAG, "Result set changed, dropping preferred activity for "
3165                                    + intent + " type " + resolvedType);
3166                            if (DEBUG_PREFERRED) {
3167                                Slog.v(TAG, "Removing preferred activity since set changed "
3168                                        + pa.mPref.mComponent);
3169                            }
3170                            pir.removeFilter(pa);
3171                            // Re-add the filter as a "last chosen" entry (!always)
3172                            PreferredActivity lastChosen = new PreferredActivity(
3173                                    pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false);
3174                            pir.addFilter(lastChosen);
3175                            mSettings.writePackageRestrictionsLPr(userId);
3176                            return null;
3177                        }
3178
3179                        // Yay! Either the set matched or we're looking for the last chosen
3180                        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: "
3181                                + ri.activityInfo.packageName + "/" + ri.activityInfo.name);
3182                        mSettings.writePackageRestrictionsLPr(userId);
3183                        return ri;
3184                    }
3185                }
3186            }
3187            mSettings.writePackageRestrictionsLPr(userId);
3188        }
3189        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return");
3190        return null;
3191    }
3192
3193    /*
3194     * Returns if intent can be forwarded from the sourceUserId to the targetUserId
3195     */
3196    @Override
3197    public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId,
3198            int targetUserId) {
3199        mContext.enforceCallingOrSelfPermission(
3200                android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
3201        List<CrossProfileIntentFilter> matches =
3202                getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId);
3203        if (matches != null) {
3204            int size = matches.size();
3205            for (int i = 0; i < size; i++) {
3206                if (matches.get(i).getTargetUserId() == targetUserId) return true;
3207            }
3208        }
3209
3210        ArrayList<String> packageNames = null;
3211        SparseArray<ArrayList<String>> fromSource =
3212                mSettings.mCrossProfilePackageInfo.get(sourceUserId);
3213        if (fromSource != null) {
3214            packageNames = fromSource.get(targetUserId);
3215        }
3216        if (packageNames.contains(intent.getPackage())) {
3217            return true;
3218        }
3219        // We need the package name, so we try to resolve with the loosest flags possible
3220        List<ResolveInfo> resolveInfos = mActivities.queryIntent(
3221                intent, resolvedType, PackageManager.GET_UNINSTALLED_PACKAGES, targetUserId);
3222        int count = resolveInfos.size();
3223        for (int i = 0; i < count; i++) {
3224            ResolveInfo resolveInfo = resolveInfos.get(i);
3225            if (packageNames.contains(resolveInfo.activityInfo.packageName)) {
3226                return true;
3227            }
3228        }
3229        return false;
3230    }
3231
3232    private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent,
3233            String resolvedType, int userId) {
3234        CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId);
3235        if (resolver != null) {
3236            return resolver.queryIntent(intent, resolvedType, false, userId);
3237        }
3238        return null;
3239    }
3240
3241    @Override
3242    public List<ResolveInfo> queryIntentActivities(Intent intent,
3243            String resolvedType, int flags, int userId) {
3244        if (!sUserManager.exists(userId)) return Collections.emptyList();
3245        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities");
3246        ComponentName comp = intent.getComponent();
3247        if (comp == null) {
3248            if (intent.getSelector() != null) {
3249                intent = intent.getSelector();
3250                comp = intent.getComponent();
3251            }
3252        }
3253
3254        if (comp != null) {
3255            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3256            final ActivityInfo ai = getActivityInfo(comp, flags, userId);
3257            if (ai != null) {
3258                final ResolveInfo ri = new ResolveInfo();
3259                ri.activityInfo = ai;
3260                list.add(ri);
3261            }
3262            return list;
3263        }
3264
3265        // reader
3266        synchronized (mPackages) {
3267            final String pkgName = intent.getPackage();
3268            boolean queryCrossProfile = (flags & PackageManager.NO_CROSS_PROFILE) == 0;
3269            if (pkgName == null) {
3270                ResolveInfo resolveInfo = null;
3271                if (queryCrossProfile) {
3272                    // Check if the intent needs to be forwarded to another user for this package
3273                    ArrayList<ResolveInfo> crossProfileResult =
3274                            queryIntentActivitiesCrossProfilePackage(
3275                                    intent, resolvedType, flags, userId);
3276                    if (!crossProfileResult.isEmpty()) {
3277                        // Skip the current profile
3278                        return crossProfileResult;
3279                    }
3280                    List<CrossProfileIntentFilter> matchingFilters =
3281                            getMatchingCrossProfileIntentFilters(intent, resolvedType, userId);
3282                    // Check for results that need to skip the current profile.
3283                    resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent,
3284                            resolvedType, flags, userId);
3285                    if (resolveInfo != null) {
3286                        List<ResolveInfo> result = new ArrayList<ResolveInfo>(1);
3287                        result.add(resolveInfo);
3288                        return result;
3289                    }
3290                    // Check for cross profile results.
3291                    resolveInfo = queryCrossProfileIntents(
3292                            matchingFilters, intent, resolvedType, flags, userId);
3293                }
3294                // Check for results in the current profile.
3295                List<ResolveInfo> result = mActivities.queryIntent(
3296                        intent, resolvedType, flags, userId);
3297                if (resolveInfo != null) {
3298                    result.add(resolveInfo);
3299                }
3300                return result;
3301            }
3302            final PackageParser.Package pkg = mPackages.get(pkgName);
3303            if (pkg != null) {
3304                if (queryCrossProfile) {
3305                    ArrayList<ResolveInfo> crossProfileResult =
3306                            queryIntentActivitiesCrossProfilePackage(
3307                                    intent, resolvedType, flags, userId, pkg, pkgName);
3308                    if (!crossProfileResult.isEmpty()) {
3309                        // Skip the current profile
3310                        return crossProfileResult;
3311                    }
3312                }
3313                return mActivities.queryIntentForPackage(intent, resolvedType, flags,
3314                        pkg.activities, userId);
3315            }
3316            return new ArrayList<ResolveInfo>();
3317        }
3318    }
3319
3320    private ResolveInfo querySkipCurrentProfileIntents(
3321            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
3322            int flags, int sourceUserId) {
3323        if (matchingFilters != null) {
3324            int size = matchingFilters.size();
3325            for (int i = 0; i < size; i ++) {
3326                CrossProfileIntentFilter filter = matchingFilters.get(i);
3327                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) {
3328                    // Checking if there are activities in the target user that can handle the
3329                    // intent.
3330                    ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
3331                            flags, sourceUserId);
3332                    if (resolveInfo != null) {
3333                        return resolveInfo;
3334                    }
3335                }
3336            }
3337        }
3338        return null;
3339    }
3340
3341    private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage(
3342            Intent intent, String resolvedType, int flags, int userId) {
3343        ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>();
3344        SparseArray<ArrayList<String>> sourceForwardingInfo =
3345                mSettings.mCrossProfilePackageInfo.get(userId);
3346        if (sourceForwardingInfo != null) {
3347            int NI = sourceForwardingInfo.size();
3348            for (int i = 0; i < NI; i++) {
3349                int targetUserId = sourceForwardingInfo.keyAt(i);
3350                ArrayList<String> packageNames = sourceForwardingInfo.valueAt(i);
3351                List<ResolveInfo> resolveInfos = mActivities.queryIntent(
3352                        intent, resolvedType, flags, targetUserId);
3353                int NJ = resolveInfos.size();
3354                for (int j = 0; j < NJ; j++) {
3355                    ResolveInfo resolveInfo = resolveInfos.get(j);
3356                    if (packageNames.contains(resolveInfo.activityInfo.packageName)) {
3357                        matchingResolveInfos.add(createForwardingResolveInfo(
3358                                resolveInfo.filter, userId, targetUserId));
3359                    }
3360                }
3361            }
3362        }
3363        return matchingResolveInfos;
3364    }
3365
3366    private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage(
3367            Intent intent, String resolvedType, int flags, int userId, PackageParser.Package pkg,
3368            String packageName) {
3369        ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>();
3370        SparseArray<ArrayList<String>> sourceForwardingInfo =
3371                mSettings.mCrossProfilePackageInfo.get(userId);
3372        if (sourceForwardingInfo != null) {
3373            int NI = sourceForwardingInfo.size();
3374            for (int i = 0; i < NI; i++) {
3375                int targetUserId = sourceForwardingInfo.keyAt(i);
3376                if (sourceForwardingInfo.valueAt(i).contains(packageName)) {
3377                    List<ResolveInfo> resolveInfos = mActivities.queryIntentForPackage(
3378                            intent, resolvedType, flags, pkg.activities, targetUserId);
3379                    int NJ = resolveInfos.size();
3380                    for (int j = 0; j < NJ; j++) {
3381                        ResolveInfo resolveInfo = resolveInfos.get(j);
3382                        matchingResolveInfos.add(createForwardingResolveInfo(
3383                                resolveInfo.filter, userId, targetUserId));
3384                    }
3385                }
3386            }
3387        }
3388        return matchingResolveInfos;
3389    }
3390
3391    // Return matching ResolveInfo if any for skip current profile intent filters.
3392    private ResolveInfo queryCrossProfileIntents(
3393            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
3394            int flags, int sourceUserId) {
3395        if (matchingFilters != null) {
3396            // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and
3397            // match the same intent. For performance reasons, it is better not to
3398            // run queryIntent twice for the same userId
3399            SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray();
3400            int size = matchingFilters.size();
3401            for (int i = 0; i < size; i++) {
3402                CrossProfileIntentFilter filter = matchingFilters.get(i);
3403                int targetUserId = filter.getTargetUserId();
3404                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0
3405                        && !alreadyTriedUserIds.get(targetUserId)) {
3406                    // Checking if there are activities in the target user that can handle the
3407                    // intent.
3408                    ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
3409                            flags, sourceUserId);
3410                    if (resolveInfo != null) return resolveInfo;
3411                    alreadyTriedUserIds.put(targetUserId, true);
3412                }
3413            }
3414        }
3415        return null;
3416    }
3417
3418    private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent,
3419            String resolvedType, int flags, int sourceUserId) {
3420        List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent,
3421                resolvedType, flags, filter.getTargetUserId());
3422        if (resultTargetUser != null && !resultTargetUser.isEmpty()) {
3423            return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId());
3424        }
3425        return null;
3426    }
3427
3428    private ResolveInfo createForwardingResolveInfo(IntentFilter filter,
3429            int sourceUserId, int targetUserId) {
3430        ResolveInfo forwardingResolveInfo = new ResolveInfo();
3431        String className;
3432        if (targetUserId == UserHandle.USER_OWNER) {
3433            className = FORWARD_INTENT_TO_USER_OWNER;
3434        } else {
3435            className = FORWARD_INTENT_TO_MANAGED_PROFILE;
3436        }
3437        ComponentName forwardingActivityComponentName = new ComponentName(
3438                mAndroidApplication.packageName, className);
3439        ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0,
3440                sourceUserId);
3441        if (targetUserId == UserHandle.USER_OWNER) {
3442            forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER;
3443            forwardingResolveInfo.noResourceId = true;
3444        }
3445        forwardingResolveInfo.activityInfo = forwardingActivityInfo;
3446        forwardingResolveInfo.priority = 0;
3447        forwardingResolveInfo.preferredOrder = 0;
3448        forwardingResolveInfo.match = 0;
3449        forwardingResolveInfo.isDefault = true;
3450        forwardingResolveInfo.filter = filter;
3451        forwardingResolveInfo.targetUserId = targetUserId;
3452        return forwardingResolveInfo;
3453    }
3454
3455    @Override
3456    public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller,
3457            Intent[] specifics, String[] specificTypes, Intent intent,
3458            String resolvedType, int flags, int userId) {
3459        if (!sUserManager.exists(userId)) return Collections.emptyList();
3460        enforceCrossUserPermission(Binder.getCallingUid(), userId, false,
3461                "query intent activity options");
3462        final String resultsAction = intent.getAction();
3463
3464        List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags
3465                | PackageManager.GET_RESOLVED_FILTER, userId);
3466
3467        if (DEBUG_INTENT_MATCHING) {
3468            Log.v(TAG, "Query " + intent + ": " + results);
3469        }
3470
3471        int specificsPos = 0;
3472        int N;
3473
3474        // todo: note that the algorithm used here is O(N^2).  This
3475        // isn't a problem in our current environment, but if we start running
3476        // into situations where we have more than 5 or 10 matches then this
3477        // should probably be changed to something smarter...
3478
3479        // First we go through and resolve each of the specific items
3480        // that were supplied, taking care of removing any corresponding
3481        // duplicate items in the generic resolve list.
3482        if (specifics != null) {
3483            for (int i=0; i<specifics.length; i++) {
3484                final Intent sintent = specifics[i];
3485                if (sintent == null) {
3486                    continue;
3487                }
3488
3489                if (DEBUG_INTENT_MATCHING) {
3490                    Log.v(TAG, "Specific #" + i + ": " + sintent);
3491                }
3492
3493                String action = sintent.getAction();
3494                if (resultsAction != null && resultsAction.equals(action)) {
3495                    // If this action was explicitly requested, then don't
3496                    // remove things that have it.
3497                    action = null;
3498                }
3499
3500                ResolveInfo ri = null;
3501                ActivityInfo ai = null;
3502
3503                ComponentName comp = sintent.getComponent();
3504                if (comp == null) {
3505                    ri = resolveIntent(
3506                        sintent,
3507                        specificTypes != null ? specificTypes[i] : null,
3508                            flags, userId);
3509                    if (ri == null) {
3510                        continue;
3511                    }
3512                    if (ri == mResolveInfo) {
3513                        // ACK!  Must do something better with this.
3514                    }
3515                    ai = ri.activityInfo;
3516                    comp = new ComponentName(ai.applicationInfo.packageName,
3517                            ai.name);
3518                } else {
3519                    ai = getActivityInfo(comp, flags, userId);
3520                    if (ai == null) {
3521                        continue;
3522                    }
3523                }
3524
3525                // Look for any generic query activities that are duplicates
3526                // of this specific one, and remove them from the results.
3527                if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai);
3528                N = results.size();
3529                int j;
3530                for (j=specificsPos; j<N; j++) {
3531                    ResolveInfo sri = results.get(j);
3532                    if ((sri.activityInfo.name.equals(comp.getClassName())
3533                            && sri.activityInfo.applicationInfo.packageName.equals(
3534                                    comp.getPackageName()))
3535                        || (action != null && sri.filter.matchAction(action))) {
3536                        results.remove(j);
3537                        if (DEBUG_INTENT_MATCHING) Log.v(
3538                            TAG, "Removing duplicate item from " + j
3539                            + " due to specific " + specificsPos);
3540                        if (ri == null) {
3541                            ri = sri;
3542                        }
3543                        j--;
3544                        N--;
3545                    }
3546                }
3547
3548                // Add this specific item to its proper place.
3549                if (ri == null) {
3550                    ri = new ResolveInfo();
3551                    ri.activityInfo = ai;
3552                }
3553                results.add(specificsPos, ri);
3554                ri.specificIndex = i;
3555                specificsPos++;
3556            }
3557        }
3558
3559        // Now we go through the remaining generic results and remove any
3560        // duplicate actions that are found here.
3561        N = results.size();
3562        for (int i=specificsPos; i<N-1; i++) {
3563            final ResolveInfo rii = results.get(i);
3564            if (rii.filter == null) {
3565                continue;
3566            }
3567
3568            // Iterate over all of the actions of this result's intent
3569            // filter...  typically this should be just one.
3570            final Iterator<String> it = rii.filter.actionsIterator();
3571            if (it == null) {
3572                continue;
3573            }
3574            while (it.hasNext()) {
3575                final String action = it.next();
3576                if (resultsAction != null && resultsAction.equals(action)) {
3577                    // If this action was explicitly requested, then don't
3578                    // remove things that have it.
3579                    continue;
3580                }
3581                for (int j=i+1; j<N; j++) {
3582                    final ResolveInfo rij = results.get(j);
3583                    if (rij.filter != null && rij.filter.hasAction(action)) {
3584                        results.remove(j);
3585                        if (DEBUG_INTENT_MATCHING) Log.v(
3586                            TAG, "Removing duplicate item from " + j
3587                            + " due to action " + action + " at " + i);
3588                        j--;
3589                        N--;
3590                    }
3591                }
3592            }
3593
3594            // If the caller didn't request filter information, drop it now
3595            // so we don't have to marshall/unmarshall it.
3596            if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
3597                rii.filter = null;
3598            }
3599        }
3600
3601        // Filter out the caller activity if so requested.
3602        if (caller != null) {
3603            N = results.size();
3604            for (int i=0; i<N; i++) {
3605                ActivityInfo ainfo = results.get(i).activityInfo;
3606                if (caller.getPackageName().equals(ainfo.applicationInfo.packageName)
3607                        && caller.getClassName().equals(ainfo.name)) {
3608                    results.remove(i);
3609                    break;
3610                }
3611            }
3612        }
3613
3614        // If the caller didn't request filter information,
3615        // drop them now so we don't have to
3616        // marshall/unmarshall it.
3617        if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
3618            N = results.size();
3619            for (int i=0; i<N; i++) {
3620                results.get(i).filter = null;
3621            }
3622        }
3623
3624        if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results);
3625        return results;
3626    }
3627
3628    @Override
3629    public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags,
3630            int userId) {
3631        if (!sUserManager.exists(userId)) return Collections.emptyList();
3632        ComponentName comp = intent.getComponent();
3633        if (comp == null) {
3634            if (intent.getSelector() != null) {
3635                intent = intent.getSelector();
3636                comp = intent.getComponent();
3637            }
3638        }
3639        if (comp != null) {
3640            List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3641            ActivityInfo ai = getReceiverInfo(comp, flags, userId);
3642            if (ai != null) {
3643                ResolveInfo ri = new ResolveInfo();
3644                ri.activityInfo = ai;
3645                list.add(ri);
3646            }
3647            return list;
3648        }
3649
3650        // reader
3651        synchronized (mPackages) {
3652            String pkgName = intent.getPackage();
3653            if (pkgName == null) {
3654                return mReceivers.queryIntent(intent, resolvedType, flags, userId);
3655            }
3656            final PackageParser.Package pkg = mPackages.get(pkgName);
3657            if (pkg != null) {
3658                return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers,
3659                        userId);
3660            }
3661            return null;
3662        }
3663    }
3664
3665    @Override
3666    public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) {
3667        List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId);
3668        if (!sUserManager.exists(userId)) return null;
3669        if (query != null) {
3670            if (query.size() >= 1) {
3671                // If there is more than one service with the same priority,
3672                // just arbitrarily pick the first one.
3673                return query.get(0);
3674            }
3675        }
3676        return null;
3677    }
3678
3679    @Override
3680    public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags,
3681            int userId) {
3682        if (!sUserManager.exists(userId)) return Collections.emptyList();
3683        ComponentName comp = intent.getComponent();
3684        if (comp == null) {
3685            if (intent.getSelector() != null) {
3686                intent = intent.getSelector();
3687                comp = intent.getComponent();
3688            }
3689        }
3690        if (comp != null) {
3691            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3692            final ServiceInfo si = getServiceInfo(comp, flags, userId);
3693            if (si != null) {
3694                final ResolveInfo ri = new ResolveInfo();
3695                ri.serviceInfo = si;
3696                list.add(ri);
3697            }
3698            return list;
3699        }
3700
3701        // reader
3702        synchronized (mPackages) {
3703            String pkgName = intent.getPackage();
3704            if (pkgName == null) {
3705                return mServices.queryIntent(intent, resolvedType, flags, userId);
3706            }
3707            final PackageParser.Package pkg = mPackages.get(pkgName);
3708            if (pkg != null) {
3709                return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services,
3710                        userId);
3711            }
3712            return null;
3713        }
3714    }
3715
3716    @Override
3717    public List<ResolveInfo> queryIntentContentProviders(
3718            Intent intent, String resolvedType, int flags, int userId) {
3719        if (!sUserManager.exists(userId)) return Collections.emptyList();
3720        ComponentName comp = intent.getComponent();
3721        if (comp == null) {
3722            if (intent.getSelector() != null) {
3723                intent = intent.getSelector();
3724                comp = intent.getComponent();
3725            }
3726        }
3727        if (comp != null) {
3728            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3729            final ProviderInfo pi = getProviderInfo(comp, flags, userId);
3730            if (pi != null) {
3731                final ResolveInfo ri = new ResolveInfo();
3732                ri.providerInfo = pi;
3733                list.add(ri);
3734            }
3735            return list;
3736        }
3737
3738        // reader
3739        synchronized (mPackages) {
3740            String pkgName = intent.getPackage();
3741            if (pkgName == null) {
3742                return mProviders.queryIntent(intent, resolvedType, flags, userId);
3743            }
3744            final PackageParser.Package pkg = mPackages.get(pkgName);
3745            if (pkg != null) {
3746                return mProviders.queryIntentForPackage(
3747                        intent, resolvedType, flags, pkg.providers, userId);
3748            }
3749            return null;
3750        }
3751    }
3752
3753    @Override
3754    public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) {
3755        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
3756
3757        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages");
3758
3759        // writer
3760        synchronized (mPackages) {
3761            ArrayList<PackageInfo> list;
3762            if (listUninstalled) {
3763                list = new ArrayList<PackageInfo>(mSettings.mPackages.size());
3764                for (PackageSetting ps : mSettings.mPackages.values()) {
3765                    PackageInfo pi;
3766                    if (ps.pkg != null) {
3767                        pi = generatePackageInfo(ps.pkg, flags, userId);
3768                    } else {
3769                        pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
3770                    }
3771                    if (pi != null) {
3772                        list.add(pi);
3773                    }
3774                }
3775            } else {
3776                list = new ArrayList<PackageInfo>(mPackages.size());
3777                for (PackageParser.Package p : mPackages.values()) {
3778                    PackageInfo pi = generatePackageInfo(p, flags, userId);
3779                    if (pi != null) {
3780                        list.add(pi);
3781                    }
3782                }
3783            }
3784
3785            return new ParceledListSlice<PackageInfo>(list);
3786        }
3787    }
3788
3789    private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps,
3790            String[] permissions, boolean[] tmp, int flags, int userId) {
3791        int numMatch = 0;
3792        final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
3793        for (int i=0; i<permissions.length; i++) {
3794            if (gp.grantedPermissions.contains(permissions[i])) {
3795                tmp[i] = true;
3796                numMatch++;
3797            } else {
3798                tmp[i] = false;
3799            }
3800        }
3801        if (numMatch == 0) {
3802            return;
3803        }
3804        PackageInfo pi;
3805        if (ps.pkg != null) {
3806            pi = generatePackageInfo(ps.pkg, flags, userId);
3807        } else {
3808            pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
3809        }
3810        if ((flags&PackageManager.GET_PERMISSIONS) == 0) {
3811            if (numMatch == permissions.length) {
3812                pi.requestedPermissions = permissions;
3813            } else {
3814                pi.requestedPermissions = new String[numMatch];
3815                numMatch = 0;
3816                for (int i=0; i<permissions.length; i++) {
3817                    if (tmp[i]) {
3818                        pi.requestedPermissions[numMatch] = permissions[i];
3819                        numMatch++;
3820                    }
3821                }
3822            }
3823        }
3824        list.add(pi);
3825    }
3826
3827    @Override
3828    public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions(
3829            String[] permissions, int flags, int userId) {
3830        if (!sUserManager.exists(userId)) return null;
3831        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
3832
3833        // writer
3834        synchronized (mPackages) {
3835            ArrayList<PackageInfo> list = new ArrayList<PackageInfo>();
3836            boolean[] tmpBools = new boolean[permissions.length];
3837            if (listUninstalled) {
3838                for (PackageSetting ps : mSettings.mPackages.values()) {
3839                    addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId);
3840                }
3841            } else {
3842                for (PackageParser.Package pkg : mPackages.values()) {
3843                    PackageSetting ps = (PackageSetting)pkg.mExtras;
3844                    if (ps != null) {
3845                        addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags,
3846                                userId);
3847                    }
3848                }
3849            }
3850
3851            return new ParceledListSlice<PackageInfo>(list);
3852        }
3853    }
3854
3855    @Override
3856    public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) {
3857        if (!sUserManager.exists(userId)) return null;
3858        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
3859
3860        // writer
3861        synchronized (mPackages) {
3862            ArrayList<ApplicationInfo> list;
3863            if (listUninstalled) {
3864                list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size());
3865                for (PackageSetting ps : mSettings.mPackages.values()) {
3866                    ApplicationInfo ai;
3867                    if (ps.pkg != null) {
3868                        ai = PackageParser.generateApplicationInfo(ps.pkg, flags,
3869                                ps.readUserState(userId), userId);
3870                    } else {
3871                        ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId);
3872                    }
3873                    if (ai != null) {
3874                        list.add(ai);
3875                    }
3876                }
3877            } else {
3878                list = new ArrayList<ApplicationInfo>(mPackages.size());
3879                for (PackageParser.Package p : mPackages.values()) {
3880                    if (p.mExtras != null) {
3881                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
3882                                ((PackageSetting)p.mExtras).readUserState(userId), userId);
3883                        if (ai != null) {
3884                            list.add(ai);
3885                        }
3886                    }
3887                }
3888            }
3889
3890            return new ParceledListSlice<ApplicationInfo>(list);
3891        }
3892    }
3893
3894    public List<ApplicationInfo> getPersistentApplications(int flags) {
3895        final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>();
3896
3897        // reader
3898        synchronized (mPackages) {
3899            final Iterator<PackageParser.Package> i = mPackages.values().iterator();
3900            final int userId = UserHandle.getCallingUserId();
3901            while (i.hasNext()) {
3902                final PackageParser.Package p = i.next();
3903                if (p.applicationInfo != null
3904                        && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0
3905                        && (!mSafeMode || isSystemApp(p))) {
3906                    PackageSetting ps = mSettings.mPackages.get(p.packageName);
3907                    if (ps != null) {
3908                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
3909                                ps.readUserState(userId), userId);
3910                        if (ai != null) {
3911                            finalList.add(ai);
3912                        }
3913                    }
3914                }
3915            }
3916        }
3917
3918        return finalList;
3919    }
3920
3921    @Override
3922    public ProviderInfo resolveContentProvider(String name, int flags, int userId) {
3923        if (!sUserManager.exists(userId)) return null;
3924        // reader
3925        synchronized (mPackages) {
3926            final PackageParser.Provider provider = mProvidersByAuthority.get(name);
3927            PackageSetting ps = provider != null
3928                    ? mSettings.mPackages.get(provider.owner.packageName)
3929                    : null;
3930            return ps != null
3931                    && mSettings.isEnabledLPr(provider.info, flags, userId)
3932                    && (!mSafeMode || (provider.info.applicationInfo.flags
3933                            &ApplicationInfo.FLAG_SYSTEM) != 0)
3934                    ? PackageParser.generateProviderInfo(provider, flags,
3935                            ps.readUserState(userId), userId)
3936                    : null;
3937        }
3938    }
3939
3940    /**
3941     * @deprecated
3942     */
3943    @Deprecated
3944    public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) {
3945        // reader
3946        synchronized (mPackages) {
3947            final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority
3948                    .entrySet().iterator();
3949            final int userId = UserHandle.getCallingUserId();
3950            while (i.hasNext()) {
3951                Map.Entry<String, PackageParser.Provider> entry = i.next();
3952                PackageParser.Provider p = entry.getValue();
3953                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
3954
3955                if (ps != null && p.syncable
3956                        && (!mSafeMode || (p.info.applicationInfo.flags
3957                                &ApplicationInfo.FLAG_SYSTEM) != 0)) {
3958                    ProviderInfo info = PackageParser.generateProviderInfo(p, 0,
3959                            ps.readUserState(userId), userId);
3960                    if (info != null) {
3961                        outNames.add(entry.getKey());
3962                        outInfo.add(info);
3963                    }
3964                }
3965            }
3966        }
3967    }
3968
3969    @Override
3970    public List<ProviderInfo> queryContentProviders(String processName,
3971            int uid, int flags) {
3972        ArrayList<ProviderInfo> finalList = null;
3973        // reader
3974        synchronized (mPackages) {
3975            final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator();
3976            final int userId = processName != null ?
3977                    UserHandle.getUserId(uid) : UserHandle.getCallingUserId();
3978            while (i.hasNext()) {
3979                final PackageParser.Provider p = i.next();
3980                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
3981                if (ps != null && p.info.authority != null
3982                        && (processName == null
3983                                || (p.info.processName.equals(processName)
3984                                        && UserHandle.isSameApp(p.info.applicationInfo.uid, uid)))
3985                        && mSettings.isEnabledLPr(p.info, flags, userId)
3986                        && (!mSafeMode
3987                                || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) {
3988                    if (finalList == null) {
3989                        finalList = new ArrayList<ProviderInfo>(3);
3990                    }
3991                    ProviderInfo info = PackageParser.generateProviderInfo(p, flags,
3992                            ps.readUserState(userId), userId);
3993                    if (info != null) {
3994                        finalList.add(info);
3995                    }
3996                }
3997            }
3998        }
3999
4000        if (finalList != null) {
4001            Collections.sort(finalList, mProviderInitOrderSorter);
4002        }
4003
4004        return finalList;
4005    }
4006
4007    @Override
4008    public InstrumentationInfo getInstrumentationInfo(ComponentName name,
4009            int flags) {
4010        // reader
4011        synchronized (mPackages) {
4012            final PackageParser.Instrumentation i = mInstrumentation.get(name);
4013            return PackageParser.generateInstrumentationInfo(i, flags);
4014        }
4015    }
4016
4017    @Override
4018    public List<InstrumentationInfo> queryInstrumentation(String targetPackage,
4019            int flags) {
4020        ArrayList<InstrumentationInfo> finalList =
4021            new ArrayList<InstrumentationInfo>();
4022
4023        // reader
4024        synchronized (mPackages) {
4025            final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator();
4026            while (i.hasNext()) {
4027                final PackageParser.Instrumentation p = i.next();
4028                if (targetPackage == null
4029                        || targetPackage.equals(p.info.targetPackage)) {
4030                    InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p,
4031                            flags);
4032                    if (ii != null) {
4033                        finalList.add(ii);
4034                    }
4035                }
4036            }
4037        }
4038
4039        return finalList;
4040    }
4041
4042    private void createIdmapsForPackageLI(PackageParser.Package pkg) {
4043        HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName);
4044        if (overlays == null) {
4045            Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages");
4046            return;
4047        }
4048        for (PackageParser.Package opkg : overlays.values()) {
4049            // Not much to do if idmap fails: we already logged the error
4050            // and we certainly don't want to abort installation of pkg simply
4051            // because an overlay didn't fit properly. For these reasons,
4052            // ignore the return value of createIdmapForPackagePairLI.
4053            createIdmapForPackagePairLI(pkg, opkg);
4054        }
4055    }
4056
4057    private boolean createIdmapForPackagePairLI(PackageParser.Package pkg,
4058            PackageParser.Package opkg) {
4059        if (!opkg.mTrustedOverlay) {
4060            Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " +
4061                    opkg.baseCodePath + ": overlay not trusted");
4062            return false;
4063        }
4064        HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName);
4065        if (overlaySet == null) {
4066            Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " +
4067                    opkg.baseCodePath + " but target package has no known overlays");
4068            return false;
4069        }
4070        final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
4071        // TODO: generate idmap for split APKs
4072        if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) {
4073            Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and "
4074                    + opkg.baseCodePath);
4075            return false;
4076        }
4077        PackageParser.Package[] overlayArray =
4078            overlaySet.values().toArray(new PackageParser.Package[0]);
4079        Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() {
4080            public int compare(PackageParser.Package p1, PackageParser.Package p2) {
4081                return p1.mOverlayPriority - p2.mOverlayPriority;
4082            }
4083        };
4084        Arrays.sort(overlayArray, cmp);
4085
4086        pkg.applicationInfo.resourceDirs = new String[overlayArray.length];
4087        int i = 0;
4088        for (PackageParser.Package p : overlayArray) {
4089            pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath;
4090        }
4091        return true;
4092    }
4093
4094    private void scanDirLI(File dir, int flags, int scanMode, long currentTime) {
4095        final File[] files = dir.listFiles();
4096        if (ArrayUtils.isEmpty(files)) {
4097            Log.d(TAG, "No files in app dir " + dir);
4098            return;
4099        }
4100
4101        if (DEBUG_PACKAGE_SCANNING) {
4102            Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode
4103                    + " flags=0x" + Integer.toHexString(flags));
4104        }
4105
4106        for (File file : files) {
4107            final boolean isPackage = isApkFile(file) || file.isDirectory();
4108            if (!isPackage) {
4109                // Ignore entries which are not apk's
4110                continue;
4111            }
4112            try {
4113                scanPackageLI(file, flags | PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime,
4114                        null, null);
4115            } catch (PackageManagerException e) {
4116                Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage());
4117
4118                // Don't mess around with apps in system partition.
4119                if ((flags & PackageParser.PARSE_IS_SYSTEM) == 0 &&
4120                        e.error == PackageManager.INSTALL_FAILED_INVALID_APK) {
4121                    // Delete the apk
4122                    Slog.w(TAG, "Cleaning up failed install of " + file);
4123                    file.delete();
4124                }
4125            }
4126        }
4127    }
4128
4129    private static File getSettingsProblemFile() {
4130        File dataDir = Environment.getDataDirectory();
4131        File systemDir = new File(dataDir, "system");
4132        File fname = new File(systemDir, "uiderrors.txt");
4133        return fname;
4134    }
4135
4136    static void reportSettingsProblem(int priority, String msg) {
4137        try {
4138            File fname = getSettingsProblemFile();
4139            FileOutputStream out = new FileOutputStream(fname, true);
4140            PrintWriter pw = new FastPrintWriter(out);
4141            SimpleDateFormat formatter = new SimpleDateFormat();
4142            String dateString = formatter.format(new Date(System.currentTimeMillis()));
4143            pw.println(dateString + ": " + msg);
4144            pw.close();
4145            FileUtils.setPermissions(
4146                    fname.toString(),
4147                    FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH,
4148                    -1, -1);
4149        } catch (java.io.IOException e) {
4150        }
4151        Slog.println(priority, TAG, msg);
4152    }
4153
4154    private void collectCertificatesLI(PackageParser pp, PackageSetting ps,
4155            PackageParser.Package pkg, File srcFile, int parseFlags)
4156            throws PackageManagerException {
4157        if (ps != null
4158                && ps.codePath.equals(srcFile)
4159                && ps.timeStamp == srcFile.lastModified()
4160                && !isCompatSignatureUpdateNeeded(pkg)) {
4161            long mSigningKeySetId = ps.keySetData.getProperSigningKeySet();
4162            if (ps.signatures.mSignatures != null
4163                    && ps.signatures.mSignatures.length != 0
4164                    && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) {
4165                // Optimization: reuse the existing cached certificates
4166                // if the package appears to be unchanged.
4167                pkg.mSignatures = ps.signatures.mSignatures;
4168                KeySetManagerService ksms = mSettings.mKeySetManagerService;
4169                synchronized (mPackages) {
4170                    pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId);
4171                }
4172                return;
4173            }
4174
4175            Slog.w(TAG, "PackageSetting for " + ps.name
4176                    + " is missing signatures.  Collecting certs again to recover them.");
4177        } else {
4178            Log.i(TAG, srcFile.toString() + " changed; collecting certs");
4179        }
4180
4181        try {
4182            pp.collectCertificates(pkg, parseFlags);
4183            pp.collectManifestDigest(pkg);
4184        } catch (PackageParserException e) {
4185            throw new PackageManagerException(e.error, "Failed to collect certificates for "
4186                    + pkg.packageName + ": " + e.getMessage());
4187        }
4188    }
4189
4190    /*
4191     *  Scan a package and return the newly parsed package.
4192     *  Returns null in case of errors and the error code is stored in mLastScanError
4193     */
4194    private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanMode,
4195            long currentTime, UserHandle user, String abiOverride) throws PackageManagerException {
4196        if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile);
4197        parseFlags |= mDefParseFlags;
4198        PackageParser pp = new PackageParser();
4199        pp.setSeparateProcesses(mSeparateProcesses);
4200        pp.setOnlyCoreApps(mOnlyCore);
4201        pp.setDisplayMetrics(mMetrics);
4202
4203        if ((scanMode & SCAN_TRUSTED_OVERLAY) != 0) {
4204            parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY;
4205        }
4206
4207        final PackageParser.Package pkg;
4208        try {
4209            pkg = pp.parsePackage(scanFile, parseFlags);
4210        } catch (PackageParserException e) {
4211            throw new PackageManagerException(e.error,
4212                    "Failed to scan " + scanFile + ": " + e.getMessage());
4213        }
4214
4215        PackageSetting ps = null;
4216        PackageSetting updatedPkg;
4217        // reader
4218        synchronized (mPackages) {
4219            // Look to see if we already know about this package.
4220            String oldName = mSettings.mRenamedPackages.get(pkg.packageName);
4221            if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) {
4222                // This package has been renamed to its original name.  Let's
4223                // use that.
4224                ps = mSettings.peekPackageLPr(oldName);
4225            }
4226            // If there was no original package, see one for the real package name.
4227            if (ps == null) {
4228                ps = mSettings.peekPackageLPr(pkg.packageName);
4229            }
4230            // Check to see if this package could be hiding/updating a system
4231            // package.  Must look for it either under the original or real
4232            // package name depending on our state.
4233            updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName);
4234            if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg);
4235        }
4236        boolean updatedPkgBetter = false;
4237        // First check if this is a system package that may involve an update
4238        if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
4239            if (ps != null && !ps.codePath.equals(scanFile)) {
4240                // The path has changed from what was last scanned...  check the
4241                // version of the new path against what we have stored to determine
4242                // what to do.
4243                if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath);
4244                if (pkg.mVersionCode < ps.versionCode) {
4245                    // The system package has been updated and the code path does not match
4246                    // Ignore entry. Skip it.
4247                    Log.i(TAG, "Package " + ps.name + " at " + scanFile
4248                            + " ignored: updated version " + ps.versionCode
4249                            + " better than this " + pkg.mVersionCode);
4250                    if (!updatedPkg.codePath.equals(scanFile)) {
4251                        Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : "
4252                                + ps.name + " changing from " + updatedPkg.codePathString
4253                                + " to " + scanFile);
4254                        updatedPkg.codePath = scanFile;
4255                        updatedPkg.codePathString = scanFile.toString();
4256                        // This is the point at which we know that the system-disk APK
4257                        // for this package has moved during a reboot (e.g. due to an OTA),
4258                        // so we need to reevaluate it for privilege policy.
4259                        if (locationIsPrivileged(scanFile)) {
4260                            updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED;
4261                        }
4262                    }
4263                    updatedPkg.pkg = pkg;
4264                    throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null);
4265                } else {
4266                    // The current app on the system partition is better than
4267                    // what we have updated to on the data partition; switch
4268                    // back to the system partition version.
4269                    // At this point, its safely assumed that package installation for
4270                    // apps in system partition will go through. If not there won't be a working
4271                    // version of the app
4272                    // writer
4273                    synchronized (mPackages) {
4274                        // Just remove the loaded entries from package lists.
4275                        mPackages.remove(ps.name);
4276                    }
4277                    Slog.w(TAG, "Package " + ps.name + " at " + scanFile
4278                            + "reverting from " + ps.codePathString
4279                            + ": new version " + pkg.mVersionCode
4280                            + " better than installed " + ps.versionCode);
4281
4282                    InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
4283                            ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
4284                            getAppDexInstructionSets(ps), isMultiArch(ps));
4285                    synchronized (mInstallLock) {
4286                        args.cleanUpResourcesLI();
4287                    }
4288                    synchronized (mPackages) {
4289                        mSettings.enableSystemPackageLPw(ps.name);
4290                    }
4291                    updatedPkgBetter = true;
4292                }
4293            }
4294        }
4295
4296        if (updatedPkg != null) {
4297            // An updated system app will not have the PARSE_IS_SYSTEM flag set
4298            // initially
4299            parseFlags |= PackageParser.PARSE_IS_SYSTEM;
4300
4301            // An updated privileged app will not have the PARSE_IS_PRIVILEGED
4302            // flag set initially
4303            if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) {
4304                parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
4305            }
4306        }
4307
4308        // Verify certificates against what was last scanned
4309        collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags);
4310
4311        /*
4312         * A new system app appeared, but we already had a non-system one of the
4313         * same name installed earlier.
4314         */
4315        boolean shouldHideSystemApp = false;
4316        if (updatedPkg == null && ps != null
4317                && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) {
4318            /*
4319             * Check to make sure the signatures match first. If they don't,
4320             * wipe the installed application and its data.
4321             */
4322            if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures)
4323                    != PackageManager.SIGNATURE_MATCH) {
4324                if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!");
4325                deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false);
4326                ps = null;
4327            } else {
4328                /*
4329                 * If the newly-added system app is an older version than the
4330                 * already installed version, hide it. It will be scanned later
4331                 * and re-added like an update.
4332                 */
4333                if (pkg.mVersionCode < ps.versionCode) {
4334                    shouldHideSystemApp = true;
4335                } else {
4336                    /*
4337                     * The newly found system app is a newer version that the
4338                     * one previously installed. Simply remove the
4339                     * already-installed application and replace it with our own
4340                     * while keeping the application data.
4341                     */
4342                    Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from "
4343                            + ps.codePathString + ": new version " + pkg.mVersionCode
4344                            + " better than installed " + ps.versionCode);
4345                    InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
4346                            ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
4347                            getAppDexInstructionSets(ps), isMultiArch(ps));
4348                    synchronized (mInstallLock) {
4349                        args.cleanUpResourcesLI();
4350                    }
4351                }
4352            }
4353        }
4354
4355        // The apk is forward locked (not public) if its code and resources
4356        // are kept in different files. (except for app in either system or
4357        // vendor path).
4358        // TODO grab this value from PackageSettings
4359        if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
4360            if (ps != null && !ps.codePath.equals(ps.resourcePath)) {
4361                parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
4362            }
4363        }
4364
4365        // TODO: extend to support forward-locked splits
4366        String resourcePath = null;
4367        String baseResourcePath = null;
4368        if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) {
4369            if (ps != null && ps.resourcePathString != null) {
4370                resourcePath = ps.resourcePathString;
4371                baseResourcePath = ps.resourcePathString;
4372            } else {
4373                // Should not happen at all. Just log an error.
4374                Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName);
4375            }
4376        } else {
4377            resourcePath = pkg.codePath;
4378            baseResourcePath = pkg.baseCodePath;
4379        }
4380
4381        // Set application objects path explicitly.
4382        pkg.applicationInfo.setCodePath(pkg.codePath);
4383        pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
4384        pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
4385        pkg.applicationInfo.setResourcePath(resourcePath);
4386        pkg.applicationInfo.setBaseResourcePath(baseResourcePath);
4387        pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
4388
4389        // Note that we invoke the following method only if we are about to unpack an application
4390        PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode
4391                | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride);
4392
4393        /*
4394         * If the system app should be overridden by a previously installed
4395         * data, hide the system app now and let the /data/app scan pick it up
4396         * again.
4397         */
4398        if (shouldHideSystemApp) {
4399            synchronized (mPackages) {
4400                /*
4401                 * We have to grant systems permissions before we hide, because
4402                 * grantPermissions will assume the package update is trying to
4403                 * expand its permissions.
4404                 */
4405                grantPermissionsLPw(pkg, true);
4406                mSettings.disableSystemPackageLPw(pkg.packageName);
4407            }
4408        }
4409
4410        return scannedPkg;
4411    }
4412
4413    private static String fixProcessName(String defProcessName,
4414            String processName, int uid) {
4415        if (processName == null) {
4416            return defProcessName;
4417        }
4418        return processName;
4419    }
4420
4421    private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg)
4422            throws PackageManagerException {
4423        if (pkgSetting.signatures.mSignatures != null) {
4424            // Already existing package. Make sure signatures match
4425            boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures)
4426                    == PackageManager.SIGNATURE_MATCH;
4427            if (!match) {
4428                match = compareSignaturesCompat(pkgSetting.signatures, pkg)
4429                        == PackageManager.SIGNATURE_MATCH;
4430            }
4431            if (!match) {
4432                throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
4433                        + pkg.packageName + " signatures do not match the "
4434                        + "previously installed version; ignoring!");
4435            }
4436        }
4437
4438        // Check for shared user signatures
4439        if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) {
4440            // Already existing package. Make sure signatures match
4441            boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
4442                    pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
4443            if (!match) {
4444                match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg)
4445                        == PackageManager.SIGNATURE_MATCH;
4446            }
4447            if (!match) {
4448                throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
4449                        "Package " + pkg.packageName
4450                        + " has no signatures that match those in shared user "
4451                        + pkgSetting.sharedUser.name + "; ignoring!");
4452            }
4453        }
4454    }
4455
4456    /**
4457     * Enforces that only the system UID or root's UID can call a method exposed
4458     * via Binder.
4459     *
4460     * @param message used as message if SecurityException is thrown
4461     * @throws SecurityException if the caller is not system or root
4462     */
4463    private static final void enforceSystemOrRoot(String message) {
4464        final int uid = Binder.getCallingUid();
4465        if (uid != Process.SYSTEM_UID && uid != 0) {
4466            throw new SecurityException(message);
4467        }
4468    }
4469
4470    @Override
4471    public void performBootDexOpt() {
4472        enforceSystemOrRoot("Only the system can request dexopt be performed");
4473
4474        final HashSet<PackageParser.Package> pkgs;
4475        synchronized (mPackages) {
4476            pkgs = mDeferredDexOpt;
4477            mDeferredDexOpt = null;
4478        }
4479
4480        if (pkgs != null) {
4481            // Filter out packages that aren't recently used.
4482            //
4483            // The exception is first boot of a non-eng device, which
4484            // should do a full dexopt.
4485            boolean eng = "eng".equals(SystemProperties.get("ro.build.type"));
4486            if (eng || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) {
4487                // TODO: add a property to control this?
4488                long dexOptLRUThresholdInMinutes;
4489                if (eng) {
4490                    dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds.
4491                } else {
4492                    dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users.
4493                }
4494                long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000;
4495
4496                int total = pkgs.size();
4497                int skipped = 0;
4498                long now = System.currentTimeMillis();
4499                for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) {
4500                    PackageParser.Package pkg = i.next();
4501                    long then = pkg.mLastPackageUsageTimeInMills;
4502                    if (then + dexOptLRUThresholdInMills < now) {
4503                        if (DEBUG_DEXOPT) {
4504                            Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " +
4505                                  ((then == 0) ? "never" : new Date(then)));
4506                        }
4507                        i.remove();
4508                        skipped++;
4509                    }
4510                }
4511                if (DEBUG_DEXOPT) {
4512                    Log.i(TAG, "Skipped optimizing " + skipped + " of " + total);
4513                }
4514            }
4515
4516            int i = 0;
4517            for (PackageParser.Package pkg : pkgs) {
4518                i++;
4519                if (DEBUG_DEXOPT) {
4520                    Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size()
4521                          + ": " + pkg.packageName);
4522                }
4523                if (!isFirstBoot()) {
4524                    try {
4525                        ActivityManagerNative.getDefault().showBootMessage(
4526                                mContext.getResources().getString(
4527                                        R.string.android_upgrading_apk,
4528                                        i, pkgs.size()), true);
4529                    } catch (RemoteException e) {
4530                    }
4531                }
4532                PackageParser.Package p = pkg;
4533                synchronized (mInstallLock) {
4534                    if (p.mDexOptNeeded) {
4535                        performDexOptLI(p, false /* force dex */, false /* defer */,
4536                                true /* include dependencies */);
4537                    }
4538                }
4539            }
4540        }
4541    }
4542
4543    @Override
4544    public boolean performDexOpt(String packageName) {
4545        enforceSystemOrRoot("Only the system can request dexopt be performed");
4546        return performDexOpt(packageName, true);
4547    }
4548
4549    public boolean performDexOpt(String packageName, boolean updateUsage) {
4550
4551        PackageParser.Package p;
4552        synchronized (mPackages) {
4553            p = mPackages.get(packageName);
4554            if (p == null) {
4555                return false;
4556            }
4557            if (updateUsage) {
4558                p.mLastPackageUsageTimeInMills = System.currentTimeMillis();
4559            }
4560            mPackageUsage.write(false);
4561            if (!p.mDexOptNeeded) {
4562                return false;
4563            }
4564        }
4565
4566        synchronized (mInstallLock) {
4567            return performDexOptLI(p, false /* force dex */, false /* defer */,
4568                    true /* include dependencies */) == DEX_OPT_PERFORMED;
4569        }
4570    }
4571
4572    public HashSet<String> getPackagesThatNeedDexOpt() {
4573        HashSet<String> pkgs = null;
4574        synchronized (mPackages) {
4575            for (PackageParser.Package p : mPackages.values()) {
4576                if (DEBUG_DEXOPT) {
4577                    Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded);
4578                }
4579                if (!p.mDexOptNeeded) {
4580                    continue;
4581                }
4582                if (pkgs == null) {
4583                    pkgs = new HashSet<String>();
4584                }
4585                pkgs.add(p.packageName);
4586            }
4587        }
4588        return pkgs;
4589    }
4590
4591    public void shutdown() {
4592        mPackageUsage.write(true);
4593    }
4594
4595    private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets,
4596             boolean forceDex, boolean defer, HashSet<String> done) {
4597        for (int i=0; i<libs.size(); i++) {
4598            PackageParser.Package libPkg;
4599            String libName;
4600            synchronized (mPackages) {
4601                libName = libs.get(i);
4602                SharedLibraryEntry lib = mSharedLibraries.get(libName);
4603                if (lib != null && lib.apk != null) {
4604                    libPkg = mPackages.get(lib.apk);
4605                } else {
4606                    libPkg = null;
4607                }
4608            }
4609            if (libPkg != null && !done.contains(libName)) {
4610                performDexOptLI(libPkg, instructionSets, forceDex, defer, done);
4611            }
4612        }
4613    }
4614
4615    static final int DEX_OPT_SKIPPED = 0;
4616    static final int DEX_OPT_PERFORMED = 1;
4617    static final int DEX_OPT_DEFERRED = 2;
4618    static final int DEX_OPT_FAILED = -1;
4619
4620    private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets,
4621            boolean forceDex, boolean defer, HashSet<String> done) {
4622        final String[] instructionSets = targetInstructionSets != null ?
4623                targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo);
4624
4625        if (done != null) {
4626            done.add(pkg.packageName);
4627            if (pkg.usesLibraries != null) {
4628                performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done);
4629            }
4630            if (pkg.usesOptionalLibraries != null) {
4631                performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done);
4632            }
4633        }
4634
4635        if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) {
4636            return DEX_OPT_SKIPPED;
4637        }
4638
4639        final Collection<String> paths = pkg.getAllCodePaths();
4640        boolean performedDexOpt = false;
4641        // There are three basic cases here:
4642        // 1.) we need to dexopt, either because we are forced or it is needed
4643        // 2.) we are defering a needed dexopt
4644        // 3.) we are skipping an unneeded dexopt
4645        for (String path : paths) {
4646            for (String instructionSet : instructionSets) {
4647                try {
4648                    final boolean isDexOptNeeded = DexFile.isDexOptNeededInternal(path,
4649                            pkg.packageName, instructionSet, defer);
4650                    if (forceDex || (!defer && isDexOptNeeded)) {
4651                        Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName + " isa=" + instructionSet);
4652                        final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
4653                        final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg),
4654                                pkg.packageName, instructionSet);
4655
4656                        if (ret < 0) {
4657                            // Don't bother running dexopt again if we failed, it will probably
4658                            // just result in an error again. Also, don't bother dexopting for other
4659                            // paths & ISAs.
4660                            pkg.mDexOptNeeded = false;
4661                            return DEX_OPT_FAILED;
4662                        } else {
4663                            performedDexOpt = true;
4664                        }
4665                    }
4666
4667                    // We're deciding to defer a needed dexopt. Don't bother dexopting for other
4668                    // paths and instruction sets. We'll deal with them all together when we process
4669                    // our list of deferred dexopts.
4670                    if (defer && isDexOptNeeded) {
4671                        if (mDeferredDexOpt == null) {
4672                            mDeferredDexOpt = new HashSet<PackageParser.Package>();
4673                        }
4674                        mDeferredDexOpt.add(pkg);
4675                        return DEX_OPT_DEFERRED;
4676                    }
4677                } catch (FileNotFoundException e) {
4678                    Slog.w(TAG, "Apk not found for dexopt: " + path);
4679                    return DEX_OPT_FAILED;
4680                } catch (IOException e) {
4681                    Slog.w(TAG, "IOException reading apk: " + path, e);
4682                    return DEX_OPT_FAILED;
4683                } catch (StaleDexCacheError e) {
4684                    Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e);
4685                    return DEX_OPT_FAILED;
4686                } catch (Exception e) {
4687                    Slog.w(TAG, "Exception when doing dexopt : ", e);
4688                    return DEX_OPT_FAILED;
4689                }
4690            }
4691        }
4692
4693        // If we've gotten here, we're sure that no error occurred and that we haven't
4694        // deferred dex-opt. We've either dex-opted one more paths or instruction sets or
4695        // we've skipped all of them because they are up to date. In both cases this
4696        // package doesn't need dexopt any longer.
4697        pkg.mDexOptNeeded = false;
4698        return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED;
4699    }
4700
4701    private static String[] getAppDexInstructionSets(ApplicationInfo info) {
4702        if (info.primaryCpuAbi != null) {
4703            if (info.secondaryCpuAbi != null) {
4704                return new String[] {
4705                        VMRuntime.getInstructionSet(info.primaryCpuAbi),
4706                        VMRuntime.getInstructionSet(info.secondaryCpuAbi) };
4707            } else {
4708                return new String[] {
4709                        VMRuntime.getInstructionSet(info.primaryCpuAbi) };
4710            }
4711        }
4712
4713        return new String[] { getPreferredInstructionSet() };
4714    }
4715
4716    private static String[] getAppDexInstructionSets(PackageSetting ps) {
4717        if (ps.primaryCpuAbiString != null) {
4718            if (ps.secondaryCpuAbiString != null) {
4719                return new String[] {
4720                        VMRuntime.getInstructionSet(ps.primaryCpuAbiString),
4721                        VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) };
4722            } else {
4723                return new String[] {
4724                        VMRuntime.getInstructionSet(ps.primaryCpuAbiString) };
4725            }
4726        }
4727
4728        return new String[] { getPreferredInstructionSet() };
4729    }
4730
4731    private static String getPreferredInstructionSet() {
4732        if (sPreferredInstructionSet == null) {
4733            sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]);
4734        }
4735
4736        return sPreferredInstructionSet;
4737    }
4738
4739    private static List<String> getAllInstructionSets() {
4740        final String[] allAbis = Build.SUPPORTED_ABIS;
4741        final List<String> allInstructionSets = new ArrayList<String>(allAbis.length);
4742
4743        for (String abi : allAbis) {
4744            final String instructionSet = VMRuntime.getInstructionSet(abi);
4745            if (!allInstructionSets.contains(instructionSet)) {
4746                allInstructionSets.add(instructionSet);
4747            }
4748        }
4749
4750        return allInstructionSets;
4751    }
4752
4753    private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer,
4754            boolean inclDependencies) {
4755        HashSet<String> done;
4756        if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) {
4757            done = new HashSet<String>();
4758            done.add(pkg.packageName);
4759        } else {
4760            done = null;
4761        }
4762        return performDexOptLI(pkg, null /* target instruction sets */,  forceDex, defer, done);
4763    }
4764
4765    private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) {
4766        if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
4767            Slog.w(TAG, "Unable to update from " + oldPkg.name
4768                    + " to " + newPkg.packageName
4769                    + ": old package not in system partition");
4770            return false;
4771        } else if (mPackages.get(oldPkg.name) != null) {
4772            Slog.w(TAG, "Unable to update from " + oldPkg.name
4773                    + " to " + newPkg.packageName
4774                    + ": old package still exists");
4775            return false;
4776        }
4777        return true;
4778    }
4779
4780    File getDataPathForUser(int userId) {
4781        return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId);
4782    }
4783
4784    private File getDataPathForPackage(String packageName, int userId) {
4785        /*
4786         * Until we fully support multiple users, return the directory we
4787         * previously would have. The PackageManagerTests will need to be
4788         * revised when this is changed back..
4789         */
4790        if (userId == 0) {
4791            return new File(mAppDataDir, packageName);
4792        } else {
4793            return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId
4794                + File.separator + packageName);
4795        }
4796    }
4797
4798    private int createDataDirsLI(String packageName, int uid, String seinfo) {
4799        int[] users = sUserManager.getUserIds();
4800        int res = mInstaller.install(packageName, uid, uid, seinfo);
4801        if (res < 0) {
4802            return res;
4803        }
4804        for (int user : users) {
4805            if (user != 0) {
4806                res = mInstaller.createUserData(packageName,
4807                        UserHandle.getUid(user, uid), user, seinfo);
4808                if (res < 0) {
4809                    return res;
4810                }
4811            }
4812        }
4813        return res;
4814    }
4815
4816    private int removeDataDirsLI(String packageName) {
4817        int[] users = sUserManager.getUserIds();
4818        int res = 0;
4819        for (int user : users) {
4820            int resInner = mInstaller.remove(packageName, user);
4821            if (resInner < 0) {
4822                res = resInner;
4823            }
4824        }
4825
4826        return res;
4827    }
4828
4829    private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file,
4830            PackageParser.Package changingLib) {
4831        if (file.path != null) {
4832            usesLibraryFiles.add(file.path);
4833            return;
4834        }
4835        PackageParser.Package p = mPackages.get(file.apk);
4836        if (changingLib != null && changingLib.packageName.equals(file.apk)) {
4837            // If we are doing this while in the middle of updating a library apk,
4838            // then we need to make sure to use that new apk for determining the
4839            // dependencies here.  (We haven't yet finished committing the new apk
4840            // to the package manager state.)
4841            if (p == null || p.packageName.equals(changingLib.packageName)) {
4842                p = changingLib;
4843            }
4844        }
4845        if (p != null) {
4846            usesLibraryFiles.addAll(p.getAllCodePaths());
4847        }
4848    }
4849
4850    private void updateSharedLibrariesLPw(PackageParser.Package pkg,
4851            PackageParser.Package changingLib) throws PackageManagerException {
4852        // We might be upgrading from a version of the platform that did not
4853        // provide per-package native library directories for system apps.
4854        // Fix that up here.
4855        if (isSystemApp(pkg)) {
4856            PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName);
4857            if (!isUpdatedSystemApp(pkg)) {
4858                setBundledAppAbisAndRoots(pkg, ps);
4859            }
4860        }
4861
4862        if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) {
4863            final ArraySet<String> usesLibraryFiles = new ArraySet<>();
4864            int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0;
4865            for (int i=0; i<N; i++) {
4866                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i));
4867                if (file == null) {
4868                    throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY,
4869                            "Package " + pkg.packageName + " requires unavailable shared library "
4870                            + pkg.usesLibraries.get(i) + "; failing!");
4871                }
4872                addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
4873            }
4874            N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0;
4875            for (int i=0; i<N; i++) {
4876                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i));
4877                if (file == null) {
4878                    Slog.w(TAG, "Package " + pkg.packageName
4879                            + " desires unavailable shared library "
4880                            + pkg.usesOptionalLibraries.get(i) + "; ignoring!");
4881                } else {
4882                    addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
4883                }
4884            }
4885            N = usesLibraryFiles.size();
4886            if (N > 0) {
4887                pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]);
4888            } else {
4889                pkg.usesLibraryFiles = null;
4890            }
4891        }
4892    }
4893
4894    private static boolean hasString(List<String> list, List<String> which) {
4895        if (list == null) {
4896            return false;
4897        }
4898        for (int i=list.size()-1; i>=0; i--) {
4899            for (int j=which.size()-1; j>=0; j--) {
4900                if (which.get(j).equals(list.get(i))) {
4901                    return true;
4902                }
4903            }
4904        }
4905        return false;
4906    }
4907
4908    private void updateAllSharedLibrariesLPw() {
4909        for (PackageParser.Package pkg : mPackages.values()) {
4910            try {
4911                updateSharedLibrariesLPw(pkg, null);
4912            } catch (PackageManagerException e) {
4913                Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
4914            }
4915        }
4916    }
4917
4918    private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw(
4919            PackageParser.Package changingPkg) {
4920        ArrayList<PackageParser.Package> res = null;
4921        for (PackageParser.Package pkg : mPackages.values()) {
4922            if (hasString(pkg.usesLibraries, changingPkg.libraryNames)
4923                    || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) {
4924                if (res == null) {
4925                    res = new ArrayList<PackageParser.Package>();
4926                }
4927                res.add(pkg);
4928                try {
4929                    updateSharedLibrariesLPw(pkg, changingPkg);
4930                } catch (PackageManagerException e) {
4931                    Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
4932                }
4933            }
4934        }
4935        return res;
4936    }
4937
4938    private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags,
4939            int scanMode, long currentTime, UserHandle user, String abiOverride)
4940            throws PackageManagerException {
4941        final File scanFile = new File(pkg.codePath);
4942        if (pkg.applicationInfo.getCodePath() == null ||
4943                pkg.applicationInfo.getResourcePath() == null) {
4944            // Bail out. The resource and code paths haven't been set.
4945            throw new PackageManagerException(INSTALL_FAILED_INVALID_APK,
4946                    "Code and resource paths haven't been set correctly");
4947        }
4948
4949        if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
4950            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM;
4951        }
4952
4953        if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) {
4954            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED;
4955        }
4956
4957        if (mCustomResolverComponentName != null &&
4958                mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) {
4959            setUpCustomResolverActivity(pkg);
4960        }
4961
4962        if (pkg.packageName.equals("android")) {
4963            synchronized (mPackages) {
4964                if (mAndroidApplication != null) {
4965                    Slog.w(TAG, "*************************************************");
4966                    Slog.w(TAG, "Core android package being redefined.  Skipping.");
4967                    Slog.w(TAG, " file=" + scanFile);
4968                    Slog.w(TAG, "*************************************************");
4969                    throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
4970                            "Core android package being redefined.  Skipping.");
4971                }
4972
4973                // Set up information for our fall-back user intent resolution activity.
4974                mPlatformPackage = pkg;
4975                pkg.mVersionCode = mSdkVersion;
4976                mAndroidApplication = pkg.applicationInfo;
4977
4978                if (!mResolverReplaced) {
4979                    mResolveActivity.applicationInfo = mAndroidApplication;
4980                    mResolveActivity.name = ResolverActivity.class.getName();
4981                    mResolveActivity.packageName = mAndroidApplication.packageName;
4982                    mResolveActivity.processName = "system:ui";
4983                    mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
4984                    mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER;
4985                    mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS;
4986                    mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert;
4987                    mResolveActivity.exported = true;
4988                    mResolveActivity.enabled = true;
4989                    mResolveInfo.activityInfo = mResolveActivity;
4990                    mResolveInfo.priority = 0;
4991                    mResolveInfo.preferredOrder = 0;
4992                    mResolveInfo.match = 0;
4993                    mResolveComponentName = new ComponentName(
4994                            mAndroidApplication.packageName, mResolveActivity.name);
4995                }
4996            }
4997        }
4998
4999        if (DEBUG_PACKAGE_SCANNING) {
5000            if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5001                Log.d(TAG, "Scanning package " + pkg.packageName);
5002        }
5003
5004        if (mPackages.containsKey(pkg.packageName)
5005                || mSharedLibraries.containsKey(pkg.packageName)) {
5006            throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
5007                    "Application package " + pkg.packageName
5008                    + " already installed.  Skipping duplicate.");
5009        }
5010
5011        // Initialize package source and resource directories
5012        File destCodeFile = new File(pkg.applicationInfo.getCodePath());
5013        File destResourceFile = new File(pkg.applicationInfo.getResourcePath());
5014
5015        SharedUserSetting suid = null;
5016        PackageSetting pkgSetting = null;
5017
5018        if (!isSystemApp(pkg)) {
5019            // Only system apps can use these features.
5020            pkg.mOriginalPackages = null;
5021            pkg.mRealPackage = null;
5022            pkg.mAdoptPermissions = null;
5023        }
5024
5025        // writer
5026        synchronized (mPackages) {
5027            if (pkg.mSharedUserId != null) {
5028                suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true);
5029                if (suid == null) {
5030                    throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5031                            "Creating application package " + pkg.packageName
5032                            + " for shared user failed");
5033                }
5034                if (DEBUG_PACKAGE_SCANNING) {
5035                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5036                        Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId
5037                                + "): packages=" + suid.packages);
5038                }
5039            }
5040
5041            // Check if we are renaming from an original package name.
5042            PackageSetting origPackage = null;
5043            String realName = null;
5044            if (pkg.mOriginalPackages != null) {
5045                // This package may need to be renamed to a previously
5046                // installed name.  Let's check on that...
5047                final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage);
5048                if (pkg.mOriginalPackages.contains(renamed)) {
5049                    // This package had originally been installed as the
5050                    // original name, and we have already taken care of
5051                    // transitioning to the new one.  Just update the new
5052                    // one to continue using the old name.
5053                    realName = pkg.mRealPackage;
5054                    if (!pkg.packageName.equals(renamed)) {
5055                        // Callers into this function may have already taken
5056                        // care of renaming the package; only do it here if
5057                        // it is not already done.
5058                        pkg.setPackageName(renamed);
5059                    }
5060
5061                } else {
5062                    for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) {
5063                        if ((origPackage = mSettings.peekPackageLPr(
5064                                pkg.mOriginalPackages.get(i))) != null) {
5065                            // We do have the package already installed under its
5066                            // original name...  should we use it?
5067                            if (!verifyPackageUpdateLPr(origPackage, pkg)) {
5068                                // New package is not compatible with original.
5069                                origPackage = null;
5070                                continue;
5071                            } else if (origPackage.sharedUser != null) {
5072                                // Make sure uid is compatible between packages.
5073                                if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) {
5074                                    Slog.w(TAG, "Unable to migrate data from " + origPackage.name
5075                                            + " to " + pkg.packageName + ": old uid "
5076                                            + origPackage.sharedUser.name
5077                                            + " differs from " + pkg.mSharedUserId);
5078                                    origPackage = null;
5079                                    continue;
5080                                }
5081                            } else {
5082                                if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package "
5083                                        + pkg.packageName + " to old name " + origPackage.name);
5084                            }
5085                            break;
5086                        }
5087                    }
5088                }
5089            }
5090
5091            if (mTransferedPackages.contains(pkg.packageName)) {
5092                Slog.w(TAG, "Package " + pkg.packageName
5093                        + " was transferred to another, but its .apk remains");
5094            }
5095
5096            // Just create the setting, don't add it yet. For already existing packages
5097            // the PkgSetting exists already and doesn't have to be created.
5098            pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile,
5099                    destResourceFile, pkg.applicationInfo.nativeLibraryRootDir,
5100                    pkg.applicationInfo.primaryCpuAbi,
5101                    pkg.applicationInfo.secondaryCpuAbi,
5102                    pkg.applicationInfo.flags, user, false);
5103            if (pkgSetting == null) {
5104                throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5105                        "Creating application package " + pkg.packageName + " failed");
5106            }
5107
5108            if (pkgSetting.origPackage != null) {
5109                // If we are first transitioning from an original package,
5110                // fix up the new package's name now.  We need to do this after
5111                // looking up the package under its new name, so getPackageLP
5112                // can take care of fiddling things correctly.
5113                pkg.setPackageName(origPackage.name);
5114
5115                // File a report about this.
5116                String msg = "New package " + pkgSetting.realName
5117                        + " renamed to replace old package " + pkgSetting.name;
5118                reportSettingsProblem(Log.WARN, msg);
5119
5120                // Make a note of it.
5121                mTransferedPackages.add(origPackage.name);
5122
5123                // No longer need to retain this.
5124                pkgSetting.origPackage = null;
5125            }
5126
5127            if (realName != null) {
5128                // Make a note of it.
5129                mTransferedPackages.add(pkg.packageName);
5130            }
5131
5132            if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) {
5133                pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
5134            }
5135
5136            if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5137                // Check all shared libraries and map to their actual file path.
5138                // We only do this here for apps not on a system dir, because those
5139                // are the only ones that can fail an install due to this.  We
5140                // will take care of the system apps by updating all of their
5141                // library paths after the scan is done.
5142                updateSharedLibrariesLPw(pkg, null);
5143            }
5144
5145            if (mFoundPolicyFile) {
5146                SELinuxMMAC.assignSeinfoValue(pkg);
5147            }
5148
5149            pkg.applicationInfo.uid = pkgSetting.appId;
5150            pkg.mExtras = pkgSetting;
5151            if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) {
5152                try {
5153                    verifySignaturesLP(pkgSetting, pkg);
5154                } catch (PackageManagerException e) {
5155                    if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5156                        throw e;
5157                    }
5158                    // The signature has changed, but this package is in the system
5159                    // image...  let's recover!
5160                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
5161                    // However...  if this package is part of a shared user, but it
5162                    // doesn't match the signature of the shared user, let's fail.
5163                    // What this means is that you can't change the signatures
5164                    // associated with an overall shared user, which doesn't seem all
5165                    // that unreasonable.
5166                    if (pkgSetting.sharedUser != null) {
5167                        if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
5168                                              pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
5169                            throw new PackageManagerException(
5170                                    INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES,
5171                                            "Signature mismatch for shared user : "
5172                                            + pkgSetting.sharedUser);
5173                        }
5174                    }
5175                    // File a report about this.
5176                    String msg = "System package " + pkg.packageName
5177                        + " signature changed; retaining data.";
5178                    reportSettingsProblem(Log.WARN, msg);
5179                }
5180            } else {
5181                if (!checkUpgradeKeySetLP(pkgSetting, pkg)) {
5182                    throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
5183                            + pkg.packageName + " upgrade keys do not match the "
5184                            + "previously installed version");
5185                } else {
5186                    // signatures may have changed as result of upgrade
5187                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
5188                }
5189            }
5190            // Verify that this new package doesn't have any content providers
5191            // that conflict with existing packages.  Only do this if the
5192            // package isn't already installed, since we don't want to break
5193            // things that are installed.
5194            if ((scanMode&SCAN_NEW_INSTALL) != 0) {
5195                final int N = pkg.providers.size();
5196                int i;
5197                for (i=0; i<N; i++) {
5198                    PackageParser.Provider p = pkg.providers.get(i);
5199                    if (p.info.authority != null) {
5200                        String names[] = p.info.authority.split(";");
5201                        for (int j = 0; j < names.length; j++) {
5202                            if (mProvidersByAuthority.containsKey(names[j])) {
5203                                PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
5204                                final String otherPackageName =
5205                                        ((other != null && other.getComponentName() != null) ?
5206                                                other.getComponentName().getPackageName() : "?");
5207                                throw new PackageManagerException(
5208                                        INSTALL_FAILED_CONFLICTING_PROVIDER,
5209                                                "Can't install because provider name " + names[j]
5210                                                + " (in package " + pkg.applicationInfo.packageName
5211                                                + ") is already used by " + otherPackageName);
5212                            }
5213                        }
5214                    }
5215                }
5216            }
5217
5218            if (pkg.mAdoptPermissions != null) {
5219                // This package wants to adopt ownership of permissions from
5220                // another package.
5221                for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) {
5222                    final String origName = pkg.mAdoptPermissions.get(i);
5223                    final PackageSetting orig = mSettings.peekPackageLPr(origName);
5224                    if (orig != null) {
5225                        if (verifyPackageUpdateLPr(orig, pkg)) {
5226                            Slog.i(TAG, "Adopting permissions from " + origName + " to "
5227                                    + pkg.packageName);
5228                            mSettings.transferPermissionsLPw(origName, pkg.packageName);
5229                        }
5230                    }
5231                }
5232            }
5233        }
5234
5235        final String pkgName = pkg.packageName;
5236
5237        final long scanFileTime = scanFile.lastModified();
5238        final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0;
5239        pkg.applicationInfo.processName = fixProcessName(
5240                pkg.applicationInfo.packageName,
5241                pkg.applicationInfo.processName,
5242                pkg.applicationInfo.uid);
5243
5244        File dataPath;
5245        if (mPlatformPackage == pkg) {
5246            // The system package is special.
5247            dataPath = new File (Environment.getDataDirectory(), "system");
5248            pkg.applicationInfo.dataDir = dataPath.getPath();
5249        } else {
5250            // This is a normal package, need to make its data directory.
5251            dataPath = getDataPathForPackage(pkg.packageName, 0);
5252
5253            boolean uidError = false;
5254
5255            if (dataPath.exists()) {
5256                int currentUid = 0;
5257                try {
5258                    StructStat stat = Os.stat(dataPath.getPath());
5259                    currentUid = stat.st_uid;
5260                } catch (ErrnoException e) {
5261                    Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e);
5262                }
5263
5264                // If we have mismatched owners for the data path, we have a problem.
5265                if (currentUid != pkg.applicationInfo.uid) {
5266                    boolean recovered = false;
5267                    if (currentUid == 0) {
5268                        // The directory somehow became owned by root.  Wow.
5269                        // This is probably because the system was stopped while
5270                        // installd was in the middle of messing with its libs
5271                        // directory.  Ask installd to fix that.
5272                        int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid,
5273                                pkg.applicationInfo.uid);
5274                        if (ret >= 0) {
5275                            recovered = true;
5276                            String msg = "Package " + pkg.packageName
5277                                    + " unexpectedly changed to uid 0; recovered to " +
5278                                    + pkg.applicationInfo.uid;
5279                            reportSettingsProblem(Log.WARN, msg);
5280                        }
5281                    }
5282                    if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
5283                            || (scanMode&SCAN_BOOTING) != 0)) {
5284                        // If this is a system app, we can at least delete its
5285                        // current data so the application will still work.
5286                        int ret = removeDataDirsLI(pkgName);
5287                        if (ret >= 0) {
5288                            // TODO: Kill the processes first
5289                            // Old data gone!
5290                            String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
5291                                    ? "System package " : "Third party package ";
5292                            String msg = prefix + pkg.packageName
5293                                    + " has changed from uid: "
5294                                    + currentUid + " to "
5295                                    + pkg.applicationInfo.uid + "; old data erased";
5296                            reportSettingsProblem(Log.WARN, msg);
5297                            recovered = true;
5298
5299                            // And now re-install the app.
5300                            ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid,
5301                                                   pkg.applicationInfo.seinfo);
5302                            if (ret == -1) {
5303                                // Ack should not happen!
5304                                msg = prefix + pkg.packageName
5305                                        + " could not have data directory re-created after delete.";
5306                                reportSettingsProblem(Log.WARN, msg);
5307                                throw new PackageManagerException(
5308                                        INSTALL_FAILED_INSUFFICIENT_STORAGE, msg);
5309                            }
5310                        }
5311                        if (!recovered) {
5312                            mHasSystemUidErrors = true;
5313                        }
5314                    } else if (!recovered) {
5315                        // If we allow this install to proceed, we will be broken.
5316                        // Abort, abort!
5317                        throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED,
5318                                "scanPackageLI");
5319                    }
5320                    if (!recovered) {
5321                        pkg.applicationInfo.dataDir = "/mismatched_uid/settings_"
5322                            + pkg.applicationInfo.uid + "/fs_"
5323                            + currentUid;
5324                        pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir;
5325                        pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir;
5326                        String msg = "Package " + pkg.packageName
5327                                + " has mismatched uid: "
5328                                + currentUid + " on disk, "
5329                                + pkg.applicationInfo.uid + " in settings";
5330                        // writer
5331                        synchronized (mPackages) {
5332                            mSettings.mReadMessages.append(msg);
5333                            mSettings.mReadMessages.append('\n');
5334                            uidError = true;
5335                            if (!pkgSetting.uidError) {
5336                                reportSettingsProblem(Log.ERROR, msg);
5337                            }
5338                        }
5339                    }
5340                }
5341                pkg.applicationInfo.dataDir = dataPath.getPath();
5342                if (mShouldRestoreconData) {
5343                    Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued.");
5344                    mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo,
5345                                pkg.applicationInfo.uid);
5346                }
5347            } else {
5348                if (DEBUG_PACKAGE_SCANNING) {
5349                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5350                        Log.v(TAG, "Want this data dir: " + dataPath);
5351                }
5352                //invoke installer to do the actual installation
5353                int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid,
5354                                           pkg.applicationInfo.seinfo);
5355                if (ret < 0) {
5356                    // Error from installer
5357                    throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5358                            "Unable to create data dirs [errorCode=" + ret + "]");
5359                }
5360
5361                if (dataPath.exists()) {
5362                    pkg.applicationInfo.dataDir = dataPath.getPath();
5363                } else {
5364                    Slog.w(TAG, "Unable to create data directory: " + dataPath);
5365                    pkg.applicationInfo.dataDir = null;
5366                }
5367            }
5368
5369            pkgSetting.uidError = uidError;
5370        }
5371
5372        final String path = scanFile.getPath();
5373        final String codePath = pkg.applicationInfo.getCodePath();
5374        if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) {
5375            // For the case where we had previously uninstalled an update, get rid
5376            // of any native binaries we might have unpackaged. Note that this assumes
5377            // that system app updates were not installed via ASEC.
5378            //
5379            // TODO(multiArch): Is this cleanup really necessary ?
5380            NativeLibraryHelper.removeNativeBinariesFromDirLI(
5381                    new File(codePath, LIB_DIR_NAME), false /* delete dirs */);
5382            setBundledAppAbisAndRoots(pkg, pkgSetting);
5383            setNativeLibraryPaths(pkg);
5384        } else {
5385            // TODO: We can probably be smarter about this stuff. For installed apps,
5386            // we can calculate this information at install time once and for all. For
5387            // system apps, we can probably assume that this information doesn't change
5388            // after the first boot scan. As things stand, we do lots of unnecessary work.
5389
5390            // Give ourselves some initial paths; we'll come back for another
5391            // pass once we've determined ABI below.
5392            setNativeLibraryPaths(pkg);
5393
5394            final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg);
5395            final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir;
5396            final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa;
5397
5398            NativeLibraryHelper.Handle handle = null;
5399            try {
5400                handle = NativeLibraryHelper.Handle.create(scanFile);
5401                // TODO(multiArch): This can be null for apps that didn't go through the
5402                // usual installation process. We can calculate it again, like we
5403                // do during install time.
5404                //
5405                // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally
5406                // unnecessary.
5407                final File nativeLibraryRoot = new File(nativeLibraryRootStr);
5408
5409                // Null out the abis so that they can be recalculated.
5410                pkg.applicationInfo.primaryCpuAbi = null;
5411                pkg.applicationInfo.secondaryCpuAbi = null;
5412                if (isMultiArch(pkg.applicationInfo)) {
5413                    // Warn if we've set an abiOverride for multi-lib packages..
5414                    // By definition, we need to copy both 32 and 64 bit libraries for
5415                    // such packages.
5416                    if (abiOverride != null) {
5417                        Slog.w(TAG, "Ignoring abiOverride for multi arch application.");
5418                    }
5419
5420                    int abi32 = PackageManager.NO_NATIVE_LIBRARIES;
5421                    int abi64 = PackageManager.NO_NATIVE_LIBRARIES;
5422                    if (Build.SUPPORTED_32_BIT_ABIS.length > 0) {
5423                        if (isAsec) {
5424                            abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS);
5425                        } else {
5426                            abi32 = copyNativeLibrariesForInternalApp(handle,
5427                                    nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, useIsaSpecificSubdirs);
5428                        }
5429                    }
5430
5431                    if (abi32 < 0 && abi32 != PackageManager.NO_NATIVE_LIBRARIES) {
5432                        throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
5433                                "Error unpackaging 32 bit native libs for multiarch app, errorCode="
5434                                + abi32);
5435                    }
5436
5437                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {
5438                        if (isAsec) {
5439                            abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS);
5440                        } else {
5441                            abi64 = copyNativeLibrariesForInternalApp(handle,
5442                                    nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, useIsaSpecificSubdirs);
5443                        }
5444                    }
5445
5446                    if (abi64 < 0 && abi64 != PackageManager.NO_NATIVE_LIBRARIES) {
5447                        throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
5448                                "Error unpackaging 64 bit native libs for multiarch app, errorCode="
5449                                + abi32);
5450                    }
5451
5452                    if (abi64 >= 0) {
5453                        pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64];
5454                    }
5455
5456                    if (abi32 >= 0) {
5457                        final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32];
5458                        if (abi64 >= 0) {
5459                            pkg.applicationInfo.secondaryCpuAbi = abi;
5460                        } else {
5461                            pkg.applicationInfo.primaryCpuAbi = abi;
5462                        }
5463                    }
5464                } else {
5465                    String[] abiList = (abiOverride != null) ?
5466                            new String[] { abiOverride } : Build.SUPPORTED_ABIS;
5467
5468                    // Enable gross and lame hacks for apps that are built with old
5469                    // SDK tools. We must scan their APKs for renderscript bitcode and
5470                    // not launch them if it's present. Don't bother checking on devices
5471                    // that don't have 64 bit support.
5472                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && abiOverride == null &&
5473                            NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
5474                        abiList = Build.SUPPORTED_32_BIT_ABIS;
5475                    }
5476
5477                    final int copyRet;
5478                    if (isAsec) {
5479                        copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList);
5480                    } else {
5481                        copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryRoot, abiList,
5482                                useIsaSpecificSubdirs);
5483                    }
5484
5485                    if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
5486                        throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
5487                                "Error unpackaging native libs for app, errorCode=" + copyRet);
5488                    }
5489
5490                    if (copyRet >= 0) {
5491                        pkg.applicationInfo.primaryCpuAbi = abiList[copyRet];
5492                    }
5493                }
5494            } catch (IOException ioe) {
5495                Slog.e(TAG, "Unable to get canonical file " + ioe.toString());
5496            } finally {
5497                IoUtils.closeQuietly(handle);
5498            }
5499
5500            // Now that we've calculated the ABIs and determined if it's an internal app,
5501            // we will go ahead and populate the nativeLibraryPath.
5502            setNativeLibraryPaths(pkg);
5503
5504            if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path);
5505            final int[] userIds = sUserManager.getUserIds();
5506            synchronized (mInstallLock) {
5507                // Create a native library symlink only if we have native libraries
5508                // and if the native libraries are 32 bit libraries. We do not provide
5509                // this symlink for 64 bit libraries.
5510                if (pkg.applicationInfo.primaryCpuAbi != null &&
5511                        !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
5512                    final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
5513                    for (int userId : userIds) {
5514                        if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) {
5515                            throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
5516                                    "Failed linking native library dir (user=" + userId + ")");
5517                        }
5518                    }
5519                }
5520            }
5521
5522            pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
5523            pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
5524        }
5525
5526        Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName
5527                + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa="
5528                + pkg.applicationInfo.nativeLibraryRootRequiresIsa);
5529
5530        // Push the derived path down into PackageSettings so we know what to
5531        // clean up at uninstall time.
5532        pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir;
5533
5534        if (DEBUG_ABI_SELECTION) {
5535            Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" +
5536                    " primary=" + pkg.applicationInfo.primaryCpuAbi +
5537                    " secondary=" + pkg.applicationInfo.secondaryCpuAbi);
5538        }
5539
5540        if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) {
5541            // We don't do this here during boot because we can do it all
5542            // at once after scanning all existing packages.
5543            //
5544            // We also do this *before* we perform dexopt on this package, so that
5545            // we can avoid redundant dexopts, and also to make sure we've got the
5546            // code and package path correct.
5547            if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages,
5548                    pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) {
5549                throw new PackageManagerException(INSTALL_FAILED_CPU_ABI_INCOMPATIBLE,
5550                        "scanPackageLI");
5551            }
5552        }
5553
5554        if ((scanMode&SCAN_NO_DEX) == 0) {
5555            if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false)
5556                    == DEX_OPT_FAILED) {
5557                if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) {
5558                    removeDataDirsLI(pkg.packageName);
5559                }
5560
5561                throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI");
5562            }
5563        }
5564
5565        if (mFactoryTest && pkg.requestedPermissions.contains(
5566                android.Manifest.permission.FACTORY_TEST)) {
5567            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST;
5568        }
5569
5570        ArrayList<PackageParser.Package> clientLibPkgs = null;
5571
5572        // writer
5573        synchronized (mPackages) {
5574            if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
5575                // Only system apps can add new shared libraries.
5576                if (pkg.libraryNames != null) {
5577                    for (int i=0; i<pkg.libraryNames.size(); i++) {
5578                        String name = pkg.libraryNames.get(i);
5579                        boolean allowed = false;
5580                        if (isUpdatedSystemApp(pkg)) {
5581                            // New library entries can only be added through the
5582                            // system image.  This is important to get rid of a lot
5583                            // of nasty edge cases: for example if we allowed a non-
5584                            // system update of the app to add a library, then uninstalling
5585                            // the update would make the library go away, and assumptions
5586                            // we made such as through app install filtering would now
5587                            // have allowed apps on the device which aren't compatible
5588                            // with it.  Better to just have the restriction here, be
5589                            // conservative, and create many fewer cases that can negatively
5590                            // impact the user experience.
5591                            final PackageSetting sysPs = mSettings
5592                                    .getDisabledSystemPkgLPr(pkg.packageName);
5593                            if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) {
5594                                for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) {
5595                                    if (name.equals(sysPs.pkg.libraryNames.get(j))) {
5596                                        allowed = true;
5597                                        allowed = true;
5598                                        break;
5599                                    }
5600                                }
5601                            }
5602                        } else {
5603                            allowed = true;
5604                        }
5605                        if (allowed) {
5606                            if (!mSharedLibraries.containsKey(name)) {
5607                                mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName));
5608                            } else if (!name.equals(pkg.packageName)) {
5609                                Slog.w(TAG, "Package " + pkg.packageName + " library "
5610                                        + name + " already exists; skipping");
5611                            }
5612                        } else {
5613                            Slog.w(TAG, "Package " + pkg.packageName + " declares lib "
5614                                    + name + " that is not declared on system image; skipping");
5615                        }
5616                    }
5617                    if ((scanMode&SCAN_BOOTING) == 0) {
5618                        // If we are not booting, we need to update any applications
5619                        // that are clients of our shared library.  If we are booting,
5620                        // this will all be done once the scan is complete.
5621                        clientLibPkgs = updateAllSharedLibrariesLPw(pkg);
5622                    }
5623                }
5624            }
5625        }
5626
5627        // We also need to dexopt any apps that are dependent on this library.  Note that
5628        // if these fail, we should abort the install since installing the library will
5629        // result in some apps being broken.
5630        if (clientLibPkgs != null) {
5631            if ((scanMode&SCAN_NO_DEX) == 0) {
5632                for (int i=0; i<clientLibPkgs.size(); i++) {
5633                    PackageParser.Package clientPkg = clientLibPkgs.get(i);
5634                    if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false)
5635                            == DEX_OPT_FAILED) {
5636                        if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) {
5637                            removeDataDirsLI(pkg.packageName);
5638                        }
5639
5640                        throw new PackageManagerException(INSTALL_FAILED_DEXOPT,
5641                                "scanPackageLI failed to dexopt clientLibPkgs");
5642                    }
5643                }
5644            }
5645        }
5646
5647        // Request the ActivityManager to kill the process(only for existing packages)
5648        // so that we do not end up in a confused state while the user is still using the older
5649        // version of the application while the new one gets installed.
5650        if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
5651            // If the package lives in an asec, tell everyone that the container is going
5652            // away so they can clean up any references to its resources (which would prevent
5653            // vold from being able to unmount the asec)
5654            if (isForwardLocked(pkg) || isExternal(pkg)) {
5655                if (DEBUG_INSTALL) {
5656                    Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE");
5657                }
5658                final int[] uidArray = new int[] { pkg.applicationInfo.uid };
5659                final ArrayList<String> pkgList = new ArrayList<String>(1);
5660                pkgList.add(pkg.applicationInfo.packageName);
5661                sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null);
5662            }
5663
5664            // Post the request that it be killed now that the going-away broadcast is en route
5665            killApplication(pkg.applicationInfo.packageName,
5666                        pkg.applicationInfo.uid, "update pkg");
5667        }
5668
5669        // Also need to kill any apps that are dependent on the library.
5670        if (clientLibPkgs != null) {
5671            for (int i=0; i<clientLibPkgs.size(); i++) {
5672                PackageParser.Package clientPkg = clientLibPkgs.get(i);
5673                killApplication(clientPkg.applicationInfo.packageName,
5674                        clientPkg.applicationInfo.uid, "update lib");
5675            }
5676        }
5677
5678        // writer
5679        synchronized (mPackages) {
5680            // We don't expect installation to fail beyond this point,
5681            if ((scanMode&SCAN_MONITOR) != 0) {
5682                mAppDirs.put(pkg.codePath, pkg);
5683            }
5684            // Add the new setting to mSettings
5685            mSettings.insertPackageSettingLPw(pkgSetting, pkg);
5686            // Add the new setting to mPackages
5687            mPackages.put(pkg.applicationInfo.packageName, pkg);
5688            // Make sure we don't accidentally delete its data.
5689            final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator();
5690            while (iter.hasNext()) {
5691                PackageCleanItem item = iter.next();
5692                if (pkgName.equals(item.packageName)) {
5693                    iter.remove();
5694                }
5695            }
5696
5697            // Take care of first install / last update times.
5698            if (currentTime != 0) {
5699                if (pkgSetting.firstInstallTime == 0) {
5700                    pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime;
5701                } else if ((scanMode&SCAN_UPDATE_TIME) != 0) {
5702                    pkgSetting.lastUpdateTime = currentTime;
5703                }
5704            } else if (pkgSetting.firstInstallTime == 0) {
5705                // We need *something*.  Take time time stamp of the file.
5706                pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime;
5707            } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) {
5708                if (scanFileTime != pkgSetting.timeStamp) {
5709                    // A package on the system image has changed; consider this
5710                    // to be an update.
5711                    pkgSetting.lastUpdateTime = scanFileTime;
5712                }
5713            }
5714
5715            // Add the package's KeySets to the global KeySetManagerService
5716            KeySetManagerService ksms = mSettings.mKeySetManagerService;
5717            try {
5718                // Old KeySetData no longer valid.
5719                ksms.removeAppKeySetDataLPw(pkg.packageName);
5720                ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys);
5721                if (pkg.mKeySetMapping != null) {
5722                    for (Map.Entry<String, ArraySet<PublicKey>> entry :
5723                            pkg.mKeySetMapping.entrySet()) {
5724                        if (entry.getValue() != null) {
5725                            ksms.addDefinedKeySetToPackageLPw(pkg.packageName,
5726                                                          entry.getValue(), entry.getKey());
5727                        }
5728                    }
5729                    if (pkg.mUpgradeKeySets != null) {
5730                        for (String upgradeAlias : pkg.mUpgradeKeySets) {
5731                            ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias);
5732                        }
5733                    }
5734                }
5735            } catch (NullPointerException e) {
5736                Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e);
5737            } catch (IllegalArgumentException e) {
5738                Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e);
5739            }
5740
5741            int N = pkg.providers.size();
5742            StringBuilder r = null;
5743            int i;
5744            for (i=0; i<N; i++) {
5745                PackageParser.Provider p = pkg.providers.get(i);
5746                p.info.processName = fixProcessName(pkg.applicationInfo.processName,
5747                        p.info.processName, pkg.applicationInfo.uid);
5748                mProviders.addProvider(p);
5749                p.syncable = p.info.isSyncable;
5750                if (p.info.authority != null) {
5751                    String names[] = p.info.authority.split(";");
5752                    p.info.authority = null;
5753                    for (int j = 0; j < names.length; j++) {
5754                        if (j == 1 && p.syncable) {
5755                            // We only want the first authority for a provider to possibly be
5756                            // syncable, so if we already added this provider using a different
5757                            // authority clear the syncable flag. We copy the provider before
5758                            // changing it because the mProviders object contains a reference
5759                            // to a provider that we don't want to change.
5760                            // Only do this for the second authority since the resulting provider
5761                            // object can be the same for all future authorities for this provider.
5762                            p = new PackageParser.Provider(p);
5763                            p.syncable = false;
5764                        }
5765                        if (!mProvidersByAuthority.containsKey(names[j])) {
5766                            mProvidersByAuthority.put(names[j], p);
5767                            if (p.info.authority == null) {
5768                                p.info.authority = names[j];
5769                            } else {
5770                                p.info.authority = p.info.authority + ";" + names[j];
5771                            }
5772                            if (DEBUG_PACKAGE_SCANNING) {
5773                                if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5774                                    Log.d(TAG, "Registered content provider: " + names[j]
5775                                            + ", className = " + p.info.name + ", isSyncable = "
5776                                            + p.info.isSyncable);
5777                            }
5778                        } else {
5779                            PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
5780                            Slog.w(TAG, "Skipping provider name " + names[j] +
5781                                    " (in package " + pkg.applicationInfo.packageName +
5782                                    "): name already used by "
5783                                    + ((other != null && other.getComponentName() != null)
5784                                            ? other.getComponentName().getPackageName() : "?"));
5785                        }
5786                    }
5787                }
5788                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5789                    if (r == null) {
5790                        r = new StringBuilder(256);
5791                    } else {
5792                        r.append(' ');
5793                    }
5794                    r.append(p.info.name);
5795                }
5796            }
5797            if (r != null) {
5798                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Providers: " + r);
5799            }
5800
5801            N = pkg.services.size();
5802            r = null;
5803            for (i=0; i<N; i++) {
5804                PackageParser.Service s = pkg.services.get(i);
5805                s.info.processName = fixProcessName(pkg.applicationInfo.processName,
5806                        s.info.processName, pkg.applicationInfo.uid);
5807                mServices.addService(s);
5808                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5809                    if (r == null) {
5810                        r = new StringBuilder(256);
5811                    } else {
5812                        r.append(' ');
5813                    }
5814                    r.append(s.info.name);
5815                }
5816            }
5817            if (r != null) {
5818                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Services: " + r);
5819            }
5820
5821            N = pkg.receivers.size();
5822            r = null;
5823            for (i=0; i<N; i++) {
5824                PackageParser.Activity a = pkg.receivers.get(i);
5825                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
5826                        a.info.processName, pkg.applicationInfo.uid);
5827                mReceivers.addActivity(a, "receiver");
5828                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5829                    if (r == null) {
5830                        r = new StringBuilder(256);
5831                    } else {
5832                        r.append(' ');
5833                    }
5834                    r.append(a.info.name);
5835                }
5836            }
5837            if (r != null) {
5838                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Receivers: " + r);
5839            }
5840
5841            N = pkg.activities.size();
5842            r = null;
5843            for (i=0; i<N; i++) {
5844                PackageParser.Activity a = pkg.activities.get(i);
5845                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
5846                        a.info.processName, pkg.applicationInfo.uid);
5847                mActivities.addActivity(a, "activity");
5848                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5849                    if (r == null) {
5850                        r = new StringBuilder(256);
5851                    } else {
5852                        r.append(' ');
5853                    }
5854                    r.append(a.info.name);
5855                }
5856            }
5857            if (r != null) {
5858                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Activities: " + r);
5859            }
5860
5861            N = pkg.permissionGroups.size();
5862            r = null;
5863            for (i=0; i<N; i++) {
5864                PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i);
5865                PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name);
5866                if (cur == null) {
5867                    mPermissionGroups.put(pg.info.name, pg);
5868                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5869                        if (r == null) {
5870                            r = new StringBuilder(256);
5871                        } else {
5872                            r.append(' ');
5873                        }
5874                        r.append(pg.info.name);
5875                    }
5876                } else {
5877                    Slog.w(TAG, "Permission group " + pg.info.name + " from package "
5878                            + pg.info.packageName + " ignored: original from "
5879                            + cur.info.packageName);
5880                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5881                        if (r == null) {
5882                            r = new StringBuilder(256);
5883                        } else {
5884                            r.append(' ');
5885                        }
5886                        r.append("DUP:");
5887                        r.append(pg.info.name);
5888                    }
5889                }
5890            }
5891            if (r != null) {
5892                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permission Groups: " + r);
5893            }
5894
5895            N = pkg.permissions.size();
5896            r = null;
5897            for (i=0; i<N; i++) {
5898                PackageParser.Permission p = pkg.permissions.get(i);
5899                HashMap<String, BasePermission> permissionMap =
5900                        p.tree ? mSettings.mPermissionTrees
5901                        : mSettings.mPermissions;
5902                p.group = mPermissionGroups.get(p.info.group);
5903                if (p.info.group == null || p.group != null) {
5904                    BasePermission bp = permissionMap.get(p.info.name);
5905                    if (bp == null) {
5906                        bp = new BasePermission(p.info.name, p.info.packageName,
5907                                BasePermission.TYPE_NORMAL);
5908                        permissionMap.put(p.info.name, bp);
5909                    }
5910                    if (bp.perm == null) {
5911                        if (bp.sourcePackage != null
5912                                && !bp.sourcePackage.equals(p.info.packageName)) {
5913                            // If this is a permission that was formerly defined by a non-system
5914                            // app, but is now defined by a system app (following an upgrade),
5915                            // discard the previous declaration and consider the system's to be
5916                            // canonical.
5917                            if (isSystemApp(p.owner)) {
5918                                String msg = "New decl " + p.owner + " of permission  "
5919                                        + p.info.name + " is system";
5920                                reportSettingsProblem(Log.WARN, msg);
5921                                bp.sourcePackage = null;
5922                            }
5923                        }
5924                        if (bp.sourcePackage == null
5925                                || bp.sourcePackage.equals(p.info.packageName)) {
5926                            BasePermission tree = findPermissionTreeLP(p.info.name);
5927                            if (tree == null
5928                                    || tree.sourcePackage.equals(p.info.packageName)) {
5929                                bp.packageSetting = pkgSetting;
5930                                bp.perm = p;
5931                                bp.uid = pkg.applicationInfo.uid;
5932                                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5933                                    if (r == null) {
5934                                        r = new StringBuilder(256);
5935                                    } else {
5936                                        r.append(' ');
5937                                    }
5938                                    r.append(p.info.name);
5939                                }
5940                            } else {
5941                                Slog.w(TAG, "Permission " + p.info.name + " from package "
5942                                        + p.info.packageName + " ignored: base tree "
5943                                        + tree.name + " is from package "
5944                                        + tree.sourcePackage);
5945                            }
5946                        } else {
5947                            Slog.w(TAG, "Permission " + p.info.name + " from package "
5948                                    + p.info.packageName + " ignored: original from "
5949                                    + bp.sourcePackage);
5950                        }
5951                    } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5952                        if (r == null) {
5953                            r = new StringBuilder(256);
5954                        } else {
5955                            r.append(' ');
5956                        }
5957                        r.append("DUP:");
5958                        r.append(p.info.name);
5959                    }
5960                    if (bp.perm == p) {
5961                        bp.protectionLevel = p.info.protectionLevel;
5962                    }
5963                } else {
5964                    Slog.w(TAG, "Permission " + p.info.name + " from package "
5965                            + p.info.packageName + " ignored: no group "
5966                            + p.group);
5967                }
5968            }
5969            if (r != null) {
5970                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permissions: " + r);
5971            }
5972
5973            N = pkg.instrumentation.size();
5974            r = null;
5975            for (i=0; i<N; i++) {
5976                PackageParser.Instrumentation a = pkg.instrumentation.get(i);
5977                a.info.packageName = pkg.applicationInfo.packageName;
5978                a.info.sourceDir = pkg.applicationInfo.sourceDir;
5979                a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir;
5980                a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs;
5981                a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs;
5982                a.info.dataDir = pkg.applicationInfo.dataDir;
5983
5984                // TODO: Update instrumentation.nativeLibraryDir as well ? Does it
5985                // need other information about the application, like the ABI and what not ?
5986                a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir;
5987                mInstrumentation.put(a.getComponentName(), a);
5988                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5989                    if (r == null) {
5990                        r = new StringBuilder(256);
5991                    } else {
5992                        r.append(' ');
5993                    }
5994                    r.append(a.info.name);
5995                }
5996            }
5997            if (r != null) {
5998                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Instrumentation: " + r);
5999            }
6000
6001            if (pkg.protectedBroadcasts != null) {
6002                N = pkg.protectedBroadcasts.size();
6003                for (i=0; i<N; i++) {
6004                    mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i));
6005                }
6006            }
6007
6008            pkgSetting.setTimeStamp(scanFileTime);
6009
6010            // Create idmap files for pairs of (packages, overlay packages).
6011            // Note: "android", ie framework-res.apk, is handled by native layers.
6012            if (pkg.mOverlayTarget != null) {
6013                // This is an overlay package.
6014                if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) {
6015                    if (!mOverlays.containsKey(pkg.mOverlayTarget)) {
6016                        mOverlays.put(pkg.mOverlayTarget,
6017                                new HashMap<String, PackageParser.Package>());
6018                    }
6019                    HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget);
6020                    map.put(pkg.packageName, pkg);
6021                    PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget);
6022                    if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) {
6023                        throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
6024                                "scanPackageLI failed to createIdmap");
6025                    }
6026                }
6027            } else if (mOverlays.containsKey(pkg.packageName) &&
6028                    !pkg.packageName.equals("android")) {
6029                // This is a regular package, with one or more known overlay packages.
6030                createIdmapsForPackageLI(pkg);
6031            }
6032        }
6033
6034        return pkg;
6035    }
6036
6037    /**
6038     * Adjusts ABIs for a set of packages belonging to a shared user so that they all match.
6039     * i.e, so that all packages can be run inside a single process if required.
6040     *
6041     * Optionally, callers can pass in a parsed package via {@code newPackage} in which case
6042     * this function will either try and make the ABI for all packages in {@code packagesForUser}
6043     * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match
6044     * the ABI selected for {@code packagesForUser}. This variant is used when installing or
6045     * updating a package that belongs to a shared user.
6046     *
6047     * NOTE: We currently only match for the primary CPU abi string. Matching the secondary
6048     * adds unnecessary complexity.
6049     */
6050    private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser,
6051            PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) {
6052        String requiredInstructionSet = null;
6053        if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) {
6054            requiredInstructionSet = VMRuntime.getInstructionSet(
6055                     scannedPackage.applicationInfo.primaryCpuAbi);
6056        }
6057
6058        PackageSetting requirer = null;
6059        for (PackageSetting ps : packagesForUser) {
6060            // If packagesForUser contains scannedPackage, we skip it. This will happen
6061            // when scannedPackage is an update of an existing package. Without this check,
6062            // we will never be able to change the ABI of any package belonging to a shared
6063            // user, even if it's compatible with other packages.
6064            if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) {
6065                if (ps.primaryCpuAbiString == null) {
6066                    continue;
6067                }
6068
6069                final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString);
6070                if (requiredInstructionSet != null) {
6071                    if (!instructionSet.equals(requiredInstructionSet)) {
6072                        // We have a mismatch between instruction sets (say arm vs arm64).
6073                        // bail out.
6074                        String errorMessage = "Instruction set mismatch, "
6075                                + ((requirer == null) ? "[caller]" : requirer)
6076                                + " requires " + requiredInstructionSet + " whereas " + ps
6077                                + " requires " + instructionSet;
6078                        Slog.e(TAG, errorMessage);
6079
6080                        reportSettingsProblem(Log.WARN, errorMessage);
6081                        // Give up, don't bother making any other changes to the package settings.
6082                        return false;
6083                    }
6084                } else {
6085                    requiredInstructionSet = instructionSet;
6086                    requirer = ps;
6087                }
6088            }
6089        }
6090
6091        if (requiredInstructionSet != null) {
6092            String adjustedAbi;
6093            if (requirer != null) {
6094                // requirer != null implies that either scannedPackage was null or that scannedPackage
6095                // did not require an ABI, in which case we have to adjust scannedPackage to match
6096                // the ABI of the set (which is the same as requirer's ABI)
6097                adjustedAbi = requirer.primaryCpuAbiString;
6098                if (scannedPackage != null) {
6099                    scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi;
6100                }
6101            } else {
6102                // requirer == null implies that we're updating all ABIs in the set to
6103                // match scannedPackage.
6104                adjustedAbi =  scannedPackage.applicationInfo.primaryCpuAbi;
6105            }
6106
6107            for (PackageSetting ps : packagesForUser) {
6108                if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
6109                    if (ps.primaryCpuAbiString != null) {
6110                        continue;
6111                    }
6112
6113                    ps.primaryCpuAbiString = adjustedAbi;
6114                    if (ps.pkg != null && ps.pkg.applicationInfo != null) {
6115                        ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi;
6116                        Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi);
6117
6118                        if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) {
6119                            ps.primaryCpuAbiString = null;
6120                            ps.pkg.applicationInfo.primaryCpuAbi = null;
6121                            return false;
6122                        } else {
6123                            mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet());
6124                        }
6125                    }
6126                }
6127            }
6128        }
6129
6130        return true;
6131    }
6132
6133    private void setUpCustomResolverActivity(PackageParser.Package pkg) {
6134        synchronized (mPackages) {
6135            mResolverReplaced = true;
6136            // Set up information for custom user intent resolution activity.
6137            mResolveActivity.applicationInfo = pkg.applicationInfo;
6138            mResolveActivity.name = mCustomResolverComponentName.getClassName();
6139            mResolveActivity.packageName = pkg.applicationInfo.packageName;
6140            mResolveActivity.processName = null;
6141            mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
6142            mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS |
6143                    ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS;
6144            mResolveActivity.theme = 0;
6145            mResolveActivity.exported = true;
6146            mResolveActivity.enabled = true;
6147            mResolveInfo.activityInfo = mResolveActivity;
6148            mResolveInfo.priority = 0;
6149            mResolveInfo.preferredOrder = 0;
6150            mResolveInfo.match = 0;
6151            mResolveComponentName = mCustomResolverComponentName;
6152            Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " +
6153                    mResolveComponentName);
6154        }
6155    }
6156
6157    private static String calculateApkRoot(final String codePathString) {
6158        final File codePath = new File(codePathString);
6159        final File codeRoot;
6160        if (FileUtils.contains(Environment.getRootDirectory(), codePath)) {
6161            codeRoot = Environment.getRootDirectory();
6162        } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) {
6163            codeRoot = Environment.getOemDirectory();
6164        } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) {
6165            codeRoot = Environment.getVendorDirectory();
6166        } else {
6167            // Unrecognized code path; take its top real segment as the apk root:
6168            // e.g. /something/app/blah.apk => /something
6169            try {
6170                File f = codePath.getCanonicalFile();
6171                File parent = f.getParentFile();    // non-null because codePath is a file
6172                File tmp;
6173                while ((tmp = parent.getParentFile()) != null) {
6174                    f = parent;
6175                    parent = tmp;
6176                }
6177                codeRoot = f;
6178                Slog.w(TAG, "Unrecognized code path "
6179                        + codePath + " - using " + codeRoot);
6180            } catch (IOException e) {
6181                // Can't canonicalize the code path -- shenanigans?
6182                Slog.w(TAG, "Can't canonicalize code path " + codePath);
6183                return Environment.getRootDirectory().getPath();
6184            }
6185        }
6186        return codeRoot.getPath();
6187    }
6188
6189    /**
6190     * Derive and set the location of native libraries for the given package,
6191     * which varies depending on where and how the package was installed.
6192     */
6193    private void setNativeLibraryPaths(PackageParser.Package pkg) {
6194        final ApplicationInfo info = pkg.applicationInfo;
6195        final String codePath = pkg.codePath;
6196        final File codeFile = new File(codePath);
6197
6198        final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info);
6199        final boolean asecApp = isForwardLocked(info) || isExternal(info);
6200
6201        info.nativeLibraryRootDir = null;
6202        info.nativeLibraryRootRequiresIsa = false;
6203        info.nativeLibraryDir = null;
6204
6205        if (bundledApp) {
6206            // Monolithic bundled install
6207            // TODO: support cluster bundled installs?
6208
6209            final boolean is64Bit = (info.primaryCpuAbi != null)
6210                    && VMRuntime.is64BitAbi(info.primaryCpuAbi);
6211
6212            // This is a bundled system app so choose the path based on the ABI.
6213            // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this
6214            // is just the default path.
6215            final String apkName = deriveCodePathName(codePath);
6216            final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME;
6217            info.nativeLibraryRootDir = Environment.buildPath(new File(info.apkRoot), libDir,
6218                    apkName).getAbsolutePath();
6219            info.nativeLibraryRootRequiresIsa = false;
6220
6221        } else if (isApkFile(codeFile)) {
6222            // Monolithic install
6223            if (asecApp) {
6224                info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME)
6225                        .getAbsolutePath();
6226                info.nativeLibraryRootRequiresIsa = false;
6227            } else {
6228                final String apkName = deriveCodePathName(codePath);
6229                info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName)
6230                        .getAbsolutePath();
6231                info.nativeLibraryRootRequiresIsa = false;
6232            }
6233        } else {
6234            // Cluster install
6235            info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath();
6236            info.nativeLibraryRootRequiresIsa = true;
6237        }
6238
6239        if (info.nativeLibraryRootRequiresIsa) {
6240            if (info.primaryCpuAbi != null) {
6241                info.nativeLibraryDir = new File(info.nativeLibraryRootDir,
6242                        VMRuntime.getInstructionSet(info.primaryCpuAbi)).getAbsolutePath();
6243            } else {
6244                Slog.w(TAG, "Package " + info.packageName
6245                        + " missing ABI; unable to derive nativeLibraryDir");
6246            }
6247        } else {
6248            info.nativeLibraryDir = info.nativeLibraryRootDir;
6249        }
6250    }
6251
6252    /**
6253     * Calculate the abis and roots for a bundled app. These can uniquely
6254     * be determined from the contents of the system partition, i.e whether
6255     * it contains 64 or 32 bit shared libraries etc. We do not validate any
6256     * of this information, and instead assume that the system was built
6257     * sensibly.
6258     */
6259    private void setBundledAppAbisAndRoots(PackageParser.Package pkg,
6260                                           PackageSetting pkgSetting) {
6261        final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath());
6262
6263        // If "/system/lib64/apkname" exists, assume that is the per-package
6264        // native library directory to use; otherwise use "/system/lib/apkname".
6265        final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir);
6266        pkg.applicationInfo.apkRoot = apkRoot;
6267        setBundledAppAbi(pkg, apkRoot, apkName);
6268        // pkgSetting might be null during rescan following uninstall of updates
6269        // to a bundled app, so accommodate that possibility.  The settings in
6270        // that case will be established later from the parsed package.
6271        //
6272        // If the settings aren't null, sync them up with what we've just derived.
6273        // note that apkRoot isn't stored in the package settings.
6274        if (pkgSetting != null) {
6275            pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
6276            pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
6277        }
6278    }
6279
6280    /**
6281     * Deduces the ABI of a bundled app and sets the relevant fields on the
6282     * parsed pkg object.
6283     *
6284     * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem}
6285     *        under which system libraries are installed.
6286     * @param apkName the name of the installed package.
6287     */
6288    private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) {
6289        // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>"
6290        // or similar.
6291        final boolean has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists();
6292        final boolean has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists();
6293
6294        if (has64BitLibs && !has32BitLibs) {
6295            // The package has 64 bit libs, but not 32 bit libs. Its primary
6296            // ABI should be 64 bit. We can safely assume here that the bundled
6297            // native libraries correspond to the most preferred ABI in the list.
6298
6299            pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
6300            pkg.applicationInfo.secondaryCpuAbi = null;
6301        } else if (has32BitLibs && !has64BitLibs) {
6302            // The package has 32 bit libs but not 64 bit libs. Its primary
6303            // ABI should be 32 bit.
6304
6305            pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
6306            pkg.applicationInfo.secondaryCpuAbi = null;
6307        } else if (has32BitLibs && has64BitLibs) {
6308            // The application has both 64 and 32 bit bundled libraries. We check
6309            // here that the app declares multiArch support, and warn if it doesn't.
6310            //
6311            // We will be lenient here and record both ABIs. The primary will be the
6312            // ABI that's higher on the list, i.e, a device that's configured to prefer
6313            // 64 bit apps will see a 64 bit primary ABI,
6314
6315            if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) {
6316                Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch.");
6317            }
6318
6319            if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) {
6320                pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
6321                pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
6322            } else {
6323                pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
6324                pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
6325            }
6326        } else {
6327            pkg.applicationInfo.primaryCpuAbi = null;
6328            pkg.applicationInfo.secondaryCpuAbi = null;
6329        }
6330    }
6331
6332    private static void createNativeLibrarySubdir(File path) throws IOException {
6333        if (!path.isDirectory()) {
6334            path.delete();
6335
6336            if (!path.mkdir()) {
6337                throw new IOException("Cannot create " + path.getPath());
6338            }
6339
6340            try {
6341                Os.chmod(path.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
6342            } catch (ErrnoException e) {
6343                throw new IOException("Cannot chmod native library directory "
6344                        + path.getPath(), e);
6345            }
6346        } else if (!SELinux.restorecon(path)) {
6347            throw new IOException("Cannot set SELinux context for " + path.getPath());
6348        }
6349    }
6350
6351    private static int copyNativeLibrariesForInternalApp(NativeLibraryHelper.Handle handle,
6352            final File nativeLibraryRoot, String[] abiList, boolean useIsaSubdir) throws IOException {
6353        createNativeLibrarySubdir(nativeLibraryRoot);
6354
6355        /*
6356         * If this is an internal application or our nativeLibraryPath points to
6357         * the app-lib directory, unpack the libraries if necessary.
6358         */
6359        int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList);
6360        if (abi >= 0) {
6361            /*
6362             * If we have a matching instruction set, construct a subdir under the native
6363             * library root that corresponds to this instruction set.
6364             */
6365            final String instructionSet = VMRuntime.getInstructionSet(abiList[abi]);
6366            final File subDir;
6367            if (useIsaSubdir) {
6368                final File isaSubdir = new File(nativeLibraryRoot, instructionSet);
6369                createNativeLibrarySubdir(isaSubdir);
6370                subDir = isaSubdir;
6371            } else {
6372                subDir = nativeLibraryRoot;
6373            }
6374
6375            int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, subDir, abiList[abi]);
6376            if (copyRet != PackageManager.INSTALL_SUCCEEDED) {
6377                return copyRet;
6378            }
6379        }
6380
6381        return abi;
6382    }
6383
6384    private void killApplication(String pkgName, int appId, String reason) {
6385        // Request the ActivityManager to kill the process(only for existing packages)
6386        // so that we do not end up in a confused state while the user is still using the older
6387        // version of the application while the new one gets installed.
6388        IActivityManager am = ActivityManagerNative.getDefault();
6389        if (am != null) {
6390            try {
6391                am.killApplicationWithAppId(pkgName, appId, reason);
6392            } catch (RemoteException e) {
6393            }
6394        }
6395    }
6396
6397    void removePackageLI(PackageSetting ps, boolean chatty) {
6398        if (DEBUG_INSTALL) {
6399            if (chatty)
6400                Log.d(TAG, "Removing package " + ps.name);
6401        }
6402
6403        // writer
6404        synchronized (mPackages) {
6405            mPackages.remove(ps.name);
6406            if (ps.codePathString != null) {
6407                mAppDirs.remove(ps.codePathString);
6408            }
6409
6410            final PackageParser.Package pkg = ps.pkg;
6411            if (pkg != null) {
6412                cleanPackageDataStructuresLILPw(pkg, chatty);
6413            }
6414        }
6415    }
6416
6417    void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) {
6418        if (DEBUG_INSTALL) {
6419            if (chatty)
6420                Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName);
6421        }
6422
6423        // writer
6424        synchronized (mPackages) {
6425            mPackages.remove(pkg.applicationInfo.packageName);
6426            if (pkg.codePath != null) {
6427                mAppDirs.remove(pkg.codePath);
6428            }
6429            cleanPackageDataStructuresLILPw(pkg, chatty);
6430        }
6431    }
6432
6433    void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) {
6434        int N = pkg.providers.size();
6435        StringBuilder r = null;
6436        int i;
6437        for (i=0; i<N; i++) {
6438            PackageParser.Provider p = pkg.providers.get(i);
6439            mProviders.removeProvider(p);
6440            if (p.info.authority == null) {
6441
6442                /* There was another ContentProvider with this authority when
6443                 * this app was installed so this authority is null,
6444                 * Ignore it as we don't have to unregister the provider.
6445                 */
6446                continue;
6447            }
6448            String names[] = p.info.authority.split(";");
6449            for (int j = 0; j < names.length; j++) {
6450                if (mProvidersByAuthority.get(names[j]) == p) {
6451                    mProvidersByAuthority.remove(names[j]);
6452                    if (DEBUG_REMOVE) {
6453                        if (chatty)
6454                            Log.d(TAG, "Unregistered content provider: " + names[j]
6455                                    + ", className = " + p.info.name + ", isSyncable = "
6456                                    + p.info.isSyncable);
6457                    }
6458                }
6459            }
6460            if (DEBUG_REMOVE && chatty) {
6461                if (r == null) {
6462                    r = new StringBuilder(256);
6463                } else {
6464                    r.append(' ');
6465                }
6466                r.append(p.info.name);
6467            }
6468        }
6469        if (r != null) {
6470            if (DEBUG_REMOVE) Log.d(TAG, "  Providers: " + r);
6471        }
6472
6473        N = pkg.services.size();
6474        r = null;
6475        for (i=0; i<N; i++) {
6476            PackageParser.Service s = pkg.services.get(i);
6477            mServices.removeService(s);
6478            if (chatty) {
6479                if (r == null) {
6480                    r = new StringBuilder(256);
6481                } else {
6482                    r.append(' ');
6483                }
6484                r.append(s.info.name);
6485            }
6486        }
6487        if (r != null) {
6488            if (DEBUG_REMOVE) Log.d(TAG, "  Services: " + r);
6489        }
6490
6491        N = pkg.receivers.size();
6492        r = null;
6493        for (i=0; i<N; i++) {
6494            PackageParser.Activity a = pkg.receivers.get(i);
6495            mReceivers.removeActivity(a, "receiver");
6496            if (DEBUG_REMOVE && chatty) {
6497                if (r == null) {
6498                    r = new StringBuilder(256);
6499                } else {
6500                    r.append(' ');
6501                }
6502                r.append(a.info.name);
6503            }
6504        }
6505        if (r != null) {
6506            if (DEBUG_REMOVE) Log.d(TAG, "  Receivers: " + r);
6507        }
6508
6509        N = pkg.activities.size();
6510        r = null;
6511        for (i=0; i<N; i++) {
6512            PackageParser.Activity a = pkg.activities.get(i);
6513            mActivities.removeActivity(a, "activity");
6514            if (DEBUG_REMOVE && chatty) {
6515                if (r == null) {
6516                    r = new StringBuilder(256);
6517                } else {
6518                    r.append(' ');
6519                }
6520                r.append(a.info.name);
6521            }
6522        }
6523        if (r != null) {
6524            if (DEBUG_REMOVE) Log.d(TAG, "  Activities: " + r);
6525        }
6526
6527        N = pkg.permissions.size();
6528        r = null;
6529        for (i=0; i<N; i++) {
6530            PackageParser.Permission p = pkg.permissions.get(i);
6531            BasePermission bp = mSettings.mPermissions.get(p.info.name);
6532            if (bp == null) {
6533                bp = mSettings.mPermissionTrees.get(p.info.name);
6534            }
6535            if (bp != null && bp.perm == p) {
6536                bp.perm = null;
6537                if (DEBUG_REMOVE && chatty) {
6538                    if (r == null) {
6539                        r = new StringBuilder(256);
6540                    } else {
6541                        r.append(' ');
6542                    }
6543                    r.append(p.info.name);
6544                }
6545            }
6546        }
6547        if (r != null) {
6548            if (DEBUG_REMOVE) Log.d(TAG, "  Permissions: " + r);
6549        }
6550
6551        N = pkg.instrumentation.size();
6552        r = null;
6553        for (i=0; i<N; i++) {
6554            PackageParser.Instrumentation a = pkg.instrumentation.get(i);
6555            mInstrumentation.remove(a.getComponentName());
6556            if (DEBUG_REMOVE && chatty) {
6557                if (r == null) {
6558                    r = new StringBuilder(256);
6559                } else {
6560                    r.append(' ');
6561                }
6562                r.append(a.info.name);
6563            }
6564        }
6565        if (r != null) {
6566            if (DEBUG_REMOVE) Log.d(TAG, "  Instrumentation: " + r);
6567        }
6568
6569        r = null;
6570        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
6571            // Only system apps can hold shared libraries.
6572            if (pkg.libraryNames != null) {
6573                for (i=0; i<pkg.libraryNames.size(); i++) {
6574                    String name = pkg.libraryNames.get(i);
6575                    SharedLibraryEntry cur = mSharedLibraries.get(name);
6576                    if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) {
6577                        mSharedLibraries.remove(name);
6578                        if (DEBUG_REMOVE && chatty) {
6579                            if (r == null) {
6580                                r = new StringBuilder(256);
6581                            } else {
6582                                r.append(' ');
6583                            }
6584                            r.append(name);
6585                        }
6586                    }
6587                }
6588            }
6589        }
6590        if (r != null) {
6591            if (DEBUG_REMOVE) Log.d(TAG, "  Libraries: " + r);
6592        }
6593    }
6594
6595    private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) {
6596        for (int i=pkgInfo.permissions.size()-1; i>=0; i--) {
6597            if (pkgInfo.permissions.get(i).info.name.equals(perm)) {
6598                return true;
6599            }
6600        }
6601        return false;
6602    }
6603
6604    static final int UPDATE_PERMISSIONS_ALL = 1<<0;
6605    static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1;
6606    static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2;
6607
6608    private void updatePermissionsLPw(String changingPkg,
6609            PackageParser.Package pkgInfo, int flags) {
6610        // Make sure there are no dangling permission trees.
6611        Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator();
6612        while (it.hasNext()) {
6613            final BasePermission bp = it.next();
6614            if (bp.packageSetting == null) {
6615                // We may not yet have parsed the package, so just see if
6616                // we still know about its settings.
6617                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
6618            }
6619            if (bp.packageSetting == null) {
6620                Slog.w(TAG, "Removing dangling permission tree: " + bp.name
6621                        + " from package " + bp.sourcePackage);
6622                it.remove();
6623            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
6624                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
6625                    Slog.i(TAG, "Removing old permission tree: " + bp.name
6626                            + " from package " + bp.sourcePackage);
6627                    flags |= UPDATE_PERMISSIONS_ALL;
6628                    it.remove();
6629                }
6630            }
6631        }
6632
6633        // Make sure all dynamic permissions have been assigned to a package,
6634        // and make sure there are no dangling permissions.
6635        it = mSettings.mPermissions.values().iterator();
6636        while (it.hasNext()) {
6637            final BasePermission bp = it.next();
6638            if (bp.type == BasePermission.TYPE_DYNAMIC) {
6639                if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name="
6640                        + bp.name + " pkg=" + bp.sourcePackage
6641                        + " info=" + bp.pendingInfo);
6642                if (bp.packageSetting == null && bp.pendingInfo != null) {
6643                    final BasePermission tree = findPermissionTreeLP(bp.name);
6644                    if (tree != null && tree.perm != null) {
6645                        bp.packageSetting = tree.packageSetting;
6646                        bp.perm = new PackageParser.Permission(tree.perm.owner,
6647                                new PermissionInfo(bp.pendingInfo));
6648                        bp.perm.info.packageName = tree.perm.info.packageName;
6649                        bp.perm.info.name = bp.name;
6650                        bp.uid = tree.uid;
6651                    }
6652                }
6653            }
6654            if (bp.packageSetting == null) {
6655                // We may not yet have parsed the package, so just see if
6656                // we still know about its settings.
6657                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
6658            }
6659            if (bp.packageSetting == null) {
6660                Slog.w(TAG, "Removing dangling permission: " + bp.name
6661                        + " from package " + bp.sourcePackage);
6662                it.remove();
6663            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
6664                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
6665                    Slog.i(TAG, "Removing old permission: " + bp.name
6666                            + " from package " + bp.sourcePackage);
6667                    flags |= UPDATE_PERMISSIONS_ALL;
6668                    it.remove();
6669                }
6670            }
6671        }
6672
6673        // Now update the permissions for all packages, in particular
6674        // replace the granted permissions of the system packages.
6675        if ((flags&UPDATE_PERMISSIONS_ALL) != 0) {
6676            for (PackageParser.Package pkg : mPackages.values()) {
6677                if (pkg != pkgInfo) {
6678                    grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0);
6679                }
6680            }
6681        }
6682
6683        if (pkgInfo != null) {
6684            grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0);
6685        }
6686    }
6687
6688    private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) {
6689        final PackageSetting ps = (PackageSetting) pkg.mExtras;
6690        if (ps == null) {
6691            return;
6692        }
6693        final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
6694        HashSet<String> origPermissions = gp.grantedPermissions;
6695        boolean changedPermission = false;
6696
6697        if (replace) {
6698            ps.permissionsFixed = false;
6699            if (gp == ps) {
6700                origPermissions = new HashSet<String>(gp.grantedPermissions);
6701                gp.grantedPermissions.clear();
6702                gp.gids = mGlobalGids;
6703            }
6704        }
6705
6706        if (gp.gids == null) {
6707            gp.gids = mGlobalGids;
6708        }
6709
6710        final int N = pkg.requestedPermissions.size();
6711        for (int i=0; i<N; i++) {
6712            final String name = pkg.requestedPermissions.get(i);
6713            final boolean required = pkg.requestedPermissionsRequired.get(i);
6714            final BasePermission bp = mSettings.mPermissions.get(name);
6715            if (DEBUG_INSTALL) {
6716                if (gp != ps) {
6717                    Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp);
6718                }
6719            }
6720
6721            if (bp == null || bp.packageSetting == null) {
6722                Slog.w(TAG, "Unknown permission " + name
6723                        + " in package " + pkg.packageName);
6724                continue;
6725            }
6726
6727            final String perm = bp.name;
6728            boolean allowed;
6729            boolean allowedSig = false;
6730            final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE;
6731            if (level == PermissionInfo.PROTECTION_NORMAL
6732                    || level == PermissionInfo.PROTECTION_DANGEROUS) {
6733                // We grant a normal or dangerous permission if any of the following
6734                // are true:
6735                // 1) The permission is required
6736                // 2) The permission is optional, but was granted in the past
6737                // 3) The permission is optional, but was requested by an
6738                //    app in /system (not /data)
6739                //
6740                // Otherwise, reject the permission.
6741                allowed = (required || origPermissions.contains(perm)
6742                        || (isSystemApp(ps) && !isUpdatedSystemApp(ps)));
6743            } else if (bp.packageSetting == null) {
6744                // This permission is invalid; skip it.
6745                allowed = false;
6746            } else if (level == PermissionInfo.PROTECTION_SIGNATURE) {
6747                allowed = grantSignaturePermission(perm, pkg, bp, origPermissions);
6748                if (allowed) {
6749                    allowedSig = true;
6750                }
6751            } else {
6752                allowed = false;
6753            }
6754            if (DEBUG_INSTALL) {
6755                if (gp != ps) {
6756                    Log.i(TAG, "Package " + pkg.packageName + " granting " + perm);
6757                }
6758            }
6759            if (allowed) {
6760                if (!isSystemApp(ps) && ps.permissionsFixed) {
6761                    // If this is an existing, non-system package, then
6762                    // we can't add any new permissions to it.
6763                    if (!allowedSig && !gp.grantedPermissions.contains(perm)) {
6764                        // Except...  if this is a permission that was added
6765                        // to the platform (note: need to only do this when
6766                        // updating the platform).
6767                        allowed = isNewPlatformPermissionForPackage(perm, pkg);
6768                    }
6769                }
6770                if (allowed) {
6771                    if (!gp.grantedPermissions.contains(perm)) {
6772                        changedPermission = true;
6773                        gp.grantedPermissions.add(perm);
6774                        gp.gids = appendInts(gp.gids, bp.gids);
6775                    } else if (!ps.haveGids) {
6776                        gp.gids = appendInts(gp.gids, bp.gids);
6777                    }
6778                } else {
6779                    Slog.w(TAG, "Not granting permission " + perm
6780                            + " to package " + pkg.packageName
6781                            + " because it was previously installed without");
6782                }
6783            } else {
6784                if (gp.grantedPermissions.remove(perm)) {
6785                    changedPermission = true;
6786                    gp.gids = removeInts(gp.gids, bp.gids);
6787                    Slog.i(TAG, "Un-granting permission " + perm
6788                            + " from package " + pkg.packageName
6789                            + " (protectionLevel=" + bp.protectionLevel
6790                            + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
6791                            + ")");
6792                } else {
6793                    Slog.w(TAG, "Not granting permission " + perm
6794                            + " to package " + pkg.packageName
6795                            + " (protectionLevel=" + bp.protectionLevel
6796                            + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
6797                            + ")");
6798                }
6799            }
6800        }
6801
6802        if ((changedPermission || replace) && !ps.permissionsFixed &&
6803                !isSystemApp(ps) || isUpdatedSystemApp(ps)){
6804            // This is the first that we have heard about this package, so the
6805            // permissions we have now selected are fixed until explicitly
6806            // changed.
6807            ps.permissionsFixed = true;
6808        }
6809        ps.haveGids = true;
6810    }
6811
6812    private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) {
6813        boolean allowed = false;
6814        final int NP = PackageParser.NEW_PERMISSIONS.length;
6815        for (int ip=0; ip<NP; ip++) {
6816            final PackageParser.NewPermissionInfo npi
6817                    = PackageParser.NEW_PERMISSIONS[ip];
6818            if (npi.name.equals(perm)
6819                    && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) {
6820                allowed = true;
6821                Log.i(TAG, "Auto-granting " + perm + " to old pkg "
6822                        + pkg.packageName);
6823                break;
6824            }
6825        }
6826        return allowed;
6827    }
6828
6829    private boolean grantSignaturePermission(String perm, PackageParser.Package pkg,
6830                                          BasePermission bp, HashSet<String> origPermissions) {
6831        boolean allowed;
6832        allowed = (compareSignatures(
6833                bp.packageSetting.signatures.mSignatures, pkg.mSignatures)
6834                        == PackageManager.SIGNATURE_MATCH)
6835                || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures)
6836                        == PackageManager.SIGNATURE_MATCH);
6837        if (!allowed && (bp.protectionLevel
6838                & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) {
6839            if (isSystemApp(pkg)) {
6840                // For updated system applications, a system permission
6841                // is granted only if it had been defined by the original application.
6842                if (isUpdatedSystemApp(pkg)) {
6843                    final PackageSetting sysPs = mSettings
6844                            .getDisabledSystemPkgLPr(pkg.packageName);
6845                    final GrantedPermissions origGp = sysPs.sharedUser != null
6846                            ? sysPs.sharedUser : sysPs;
6847
6848                    if (origGp.grantedPermissions.contains(perm)) {
6849                        // If the original was granted this permission, we take
6850                        // that grant decision as read and propagate it to the
6851                        // update.
6852                        allowed = true;
6853                    } else {
6854                        // The system apk may have been updated with an older
6855                        // version of the one on the data partition, but which
6856                        // granted a new system permission that it didn't have
6857                        // before.  In this case we do want to allow the app to
6858                        // now get the new permission if the ancestral apk is
6859                        // privileged to get it.
6860                        if (sysPs.pkg != null && sysPs.isPrivileged()) {
6861                            for (int j=0;
6862                                    j<sysPs.pkg.requestedPermissions.size(); j++) {
6863                                if (perm.equals(
6864                                        sysPs.pkg.requestedPermissions.get(j))) {
6865                                    allowed = true;
6866                                    break;
6867                                }
6868                            }
6869                        }
6870                    }
6871                } else {
6872                    allowed = isPrivilegedApp(pkg);
6873                }
6874            }
6875        }
6876        if (!allowed && (bp.protectionLevel
6877                & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) {
6878            // For development permissions, a development permission
6879            // is granted only if it was already granted.
6880            allowed = origPermissions.contains(perm);
6881        }
6882        return allowed;
6883    }
6884
6885    final class ActivityIntentResolver
6886            extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> {
6887        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
6888                boolean defaultOnly, int userId) {
6889            if (!sUserManager.exists(userId)) return null;
6890            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
6891            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
6892        }
6893
6894        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
6895                int userId) {
6896            if (!sUserManager.exists(userId)) return null;
6897            mFlags = flags;
6898            return super.queryIntent(intent, resolvedType,
6899                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
6900        }
6901
6902        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
6903                int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) {
6904            if (!sUserManager.exists(userId)) return null;
6905            if (packageActivities == null) {
6906                return null;
6907            }
6908            mFlags = flags;
6909            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
6910            final int N = packageActivities.size();
6911            ArrayList<PackageParser.ActivityIntentInfo[]> listCut =
6912                new ArrayList<PackageParser.ActivityIntentInfo[]>(N);
6913
6914            ArrayList<PackageParser.ActivityIntentInfo> intentFilters;
6915            for (int i = 0; i < N; ++i) {
6916                intentFilters = packageActivities.get(i).intents;
6917                if (intentFilters != null && intentFilters.size() > 0) {
6918                    PackageParser.ActivityIntentInfo[] array =
6919                            new PackageParser.ActivityIntentInfo[intentFilters.size()];
6920                    intentFilters.toArray(array);
6921                    listCut.add(array);
6922                }
6923            }
6924            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
6925        }
6926
6927        public final void addActivity(PackageParser.Activity a, String type) {
6928            final boolean systemApp = isSystemApp(a.info.applicationInfo);
6929            mActivities.put(a.getComponentName(), a);
6930            if (DEBUG_SHOW_INFO)
6931                Log.v(
6932                TAG, "  " + type + " " +
6933                (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":");
6934            if (DEBUG_SHOW_INFO)
6935                Log.v(TAG, "    Class=" + a.info.name);
6936            final int NI = a.intents.size();
6937            for (int j=0; j<NI; j++) {
6938                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
6939                if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) {
6940                    intent.setPriority(0);
6941                    Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity "
6942                            + a.className + " with priority > 0, forcing to 0");
6943                }
6944                if (DEBUG_SHOW_INFO) {
6945                    Log.v(TAG, "    IntentFilter:");
6946                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
6947                }
6948                if (!intent.debugCheck()) {
6949                    Log.w(TAG, "==> For Activity " + a.info.name);
6950                }
6951                addFilter(intent);
6952            }
6953        }
6954
6955        public final void removeActivity(PackageParser.Activity a, String type) {
6956            mActivities.remove(a.getComponentName());
6957            if (DEBUG_SHOW_INFO) {
6958                Log.v(TAG, "  " + type + " "
6959                        + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel
6960                                : a.info.name) + ":");
6961                Log.v(TAG, "    Class=" + a.info.name);
6962            }
6963            final int NI = a.intents.size();
6964            for (int j=0; j<NI; j++) {
6965                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
6966                if (DEBUG_SHOW_INFO) {
6967                    Log.v(TAG, "    IntentFilter:");
6968                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
6969                }
6970                removeFilter(intent);
6971            }
6972        }
6973
6974        @Override
6975        protected boolean allowFilterResult(
6976                PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) {
6977            ActivityInfo filterAi = filter.activity.info;
6978            for (int i=dest.size()-1; i>=0; i--) {
6979                ActivityInfo destAi = dest.get(i).activityInfo;
6980                if (destAi.name == filterAi.name
6981                        && destAi.packageName == filterAi.packageName) {
6982                    return false;
6983                }
6984            }
6985            return true;
6986        }
6987
6988        @Override
6989        protected ActivityIntentInfo[] newArray(int size) {
6990            return new ActivityIntentInfo[size];
6991        }
6992
6993        @Override
6994        protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) {
6995            if (!sUserManager.exists(userId)) return true;
6996            PackageParser.Package p = filter.activity.owner;
6997            if (p != null) {
6998                PackageSetting ps = (PackageSetting)p.mExtras;
6999                if (ps != null) {
7000                    // System apps are never considered stopped for purposes of
7001                    // filtering, because there may be no way for the user to
7002                    // actually re-launch them.
7003                    return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0
7004                            && ps.getStopped(userId);
7005                }
7006            }
7007            return false;
7008        }
7009
7010        @Override
7011        protected boolean isPackageForFilter(String packageName,
7012                PackageParser.ActivityIntentInfo info) {
7013            return packageName.equals(info.activity.owner.packageName);
7014        }
7015
7016        @Override
7017        protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info,
7018                int match, int userId) {
7019            if (!sUserManager.exists(userId)) return null;
7020            if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) {
7021                return null;
7022            }
7023            final PackageParser.Activity activity = info.activity;
7024            if (mSafeMode && (activity.info.applicationInfo.flags
7025                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
7026                return null;
7027            }
7028            PackageSetting ps = (PackageSetting) activity.owner.mExtras;
7029            if (ps == null) {
7030                return null;
7031            }
7032            ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags,
7033                    ps.readUserState(userId), userId);
7034            if (ai == null) {
7035                return null;
7036            }
7037            final ResolveInfo res = new ResolveInfo();
7038            res.activityInfo = ai;
7039            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
7040                res.filter = info;
7041            }
7042            res.priority = info.getPriority();
7043            res.preferredOrder = activity.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            if (userNeedsBadging(userId)) {
7051                res.noResourceId = true;
7052            } else {
7053                res.icon = info.icon;
7054            }
7055            res.system = isSystemApp(res.activityInfo.applicationInfo);
7056            return res;
7057        }
7058
7059        @Override
7060        protected void sortResults(List<ResolveInfo> results) {
7061            Collections.sort(results, mResolvePrioritySorter);
7062        }
7063
7064        @Override
7065        protected void dumpFilter(PrintWriter out, String prefix,
7066                PackageParser.ActivityIntentInfo filter) {
7067            out.print(prefix); out.print(
7068                    Integer.toHexString(System.identityHashCode(filter.activity)));
7069                    out.print(' ');
7070                    filter.activity.printComponentShortName(out);
7071                    out.print(" filter ");
7072                    out.println(Integer.toHexString(System.identityHashCode(filter)));
7073        }
7074
7075//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
7076//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
7077//            final List<ResolveInfo> retList = Lists.newArrayList();
7078//            while (i.hasNext()) {
7079//                final ResolveInfo resolveInfo = i.next();
7080//                if (isEnabledLP(resolveInfo.activityInfo)) {
7081//                    retList.add(resolveInfo);
7082//                }
7083//            }
7084//            return retList;
7085//        }
7086
7087        // Keys are String (activity class name), values are Activity.
7088        private final HashMap<ComponentName, PackageParser.Activity> mActivities
7089                = new HashMap<ComponentName, PackageParser.Activity>();
7090        private int mFlags;
7091    }
7092
7093    private final class ServiceIntentResolver
7094            extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> {
7095        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
7096                boolean defaultOnly, int userId) {
7097            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
7098            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
7099        }
7100
7101        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
7102                int userId) {
7103            if (!sUserManager.exists(userId)) return null;
7104            mFlags = flags;
7105            return super.queryIntent(intent, resolvedType,
7106                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
7107        }
7108
7109        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
7110                int flags, ArrayList<PackageParser.Service> packageServices, int userId) {
7111            if (!sUserManager.exists(userId)) return null;
7112            if (packageServices == null) {
7113                return null;
7114            }
7115            mFlags = flags;
7116            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
7117            final int N = packageServices.size();
7118            ArrayList<PackageParser.ServiceIntentInfo[]> listCut =
7119                new ArrayList<PackageParser.ServiceIntentInfo[]>(N);
7120
7121            ArrayList<PackageParser.ServiceIntentInfo> intentFilters;
7122            for (int i = 0; i < N; ++i) {
7123                intentFilters = packageServices.get(i).intents;
7124                if (intentFilters != null && intentFilters.size() > 0) {
7125                    PackageParser.ServiceIntentInfo[] array =
7126                            new PackageParser.ServiceIntentInfo[intentFilters.size()];
7127                    intentFilters.toArray(array);
7128                    listCut.add(array);
7129                }
7130            }
7131            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
7132        }
7133
7134        public final void addService(PackageParser.Service s) {
7135            mServices.put(s.getComponentName(), s);
7136            if (DEBUG_SHOW_INFO) {
7137                Log.v(TAG, "  "
7138                        + (s.info.nonLocalizedLabel != null
7139                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
7140                Log.v(TAG, "    Class=" + s.info.name);
7141            }
7142            final int NI = s.intents.size();
7143            int j;
7144            for (j=0; j<NI; j++) {
7145                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
7146                if (DEBUG_SHOW_INFO) {
7147                    Log.v(TAG, "    IntentFilter:");
7148                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7149                }
7150                if (!intent.debugCheck()) {
7151                    Log.w(TAG, "==> For Service " + s.info.name);
7152                }
7153                addFilter(intent);
7154            }
7155        }
7156
7157        public final void removeService(PackageParser.Service s) {
7158            mServices.remove(s.getComponentName());
7159            if (DEBUG_SHOW_INFO) {
7160                Log.v(TAG, "  " + (s.info.nonLocalizedLabel != null
7161                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
7162                Log.v(TAG, "    Class=" + s.info.name);
7163            }
7164            final int NI = s.intents.size();
7165            int j;
7166            for (j=0; j<NI; j++) {
7167                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
7168                if (DEBUG_SHOW_INFO) {
7169                    Log.v(TAG, "    IntentFilter:");
7170                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7171                }
7172                removeFilter(intent);
7173            }
7174        }
7175
7176        @Override
7177        protected boolean allowFilterResult(
7178                PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) {
7179            ServiceInfo filterSi = filter.service.info;
7180            for (int i=dest.size()-1; i>=0; i--) {
7181                ServiceInfo destAi = dest.get(i).serviceInfo;
7182                if (destAi.name == filterSi.name
7183                        && destAi.packageName == filterSi.packageName) {
7184                    return false;
7185                }
7186            }
7187            return true;
7188        }
7189
7190        @Override
7191        protected PackageParser.ServiceIntentInfo[] newArray(int size) {
7192            return new PackageParser.ServiceIntentInfo[size];
7193        }
7194
7195        @Override
7196        protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) {
7197            if (!sUserManager.exists(userId)) return true;
7198            PackageParser.Package p = filter.service.owner;
7199            if (p != null) {
7200                PackageSetting ps = (PackageSetting)p.mExtras;
7201                if (ps != null) {
7202                    // System apps are never considered stopped for purposes of
7203                    // filtering, because there may be no way for the user to
7204                    // actually re-launch them.
7205                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
7206                            && ps.getStopped(userId);
7207                }
7208            }
7209            return false;
7210        }
7211
7212        @Override
7213        protected boolean isPackageForFilter(String packageName,
7214                PackageParser.ServiceIntentInfo info) {
7215            return packageName.equals(info.service.owner.packageName);
7216        }
7217
7218        @Override
7219        protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter,
7220                int match, int userId) {
7221            if (!sUserManager.exists(userId)) return null;
7222            final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter;
7223            if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) {
7224                return null;
7225            }
7226            final PackageParser.Service service = info.service;
7227            if (mSafeMode && (service.info.applicationInfo.flags
7228                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
7229                return null;
7230            }
7231            PackageSetting ps = (PackageSetting) service.owner.mExtras;
7232            if (ps == null) {
7233                return null;
7234            }
7235            ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags,
7236                    ps.readUserState(userId), userId);
7237            if (si == null) {
7238                return null;
7239            }
7240            final ResolveInfo res = new ResolveInfo();
7241            res.serviceInfo = si;
7242            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
7243                res.filter = filter;
7244            }
7245            res.priority = info.getPriority();
7246            res.preferredOrder = service.owner.mPreferredOrder;
7247            //System.out.println("Result: " + res.activityInfo.className +
7248            //                   " = " + res.priority);
7249            res.match = match;
7250            res.isDefault = info.hasDefault;
7251            res.labelRes = info.labelRes;
7252            res.nonLocalizedLabel = info.nonLocalizedLabel;
7253            res.icon = info.icon;
7254            res.system = isSystemApp(res.serviceInfo.applicationInfo);
7255            return res;
7256        }
7257
7258        @Override
7259        protected void sortResults(List<ResolveInfo> results) {
7260            Collections.sort(results, mResolvePrioritySorter);
7261        }
7262
7263        @Override
7264        protected void dumpFilter(PrintWriter out, String prefix,
7265                PackageParser.ServiceIntentInfo filter) {
7266            out.print(prefix); out.print(
7267                    Integer.toHexString(System.identityHashCode(filter.service)));
7268                    out.print(' ');
7269                    filter.service.printComponentShortName(out);
7270                    out.print(" filter ");
7271                    out.println(Integer.toHexString(System.identityHashCode(filter)));
7272        }
7273
7274//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
7275//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
7276//            final List<ResolveInfo> retList = Lists.newArrayList();
7277//            while (i.hasNext()) {
7278//                final ResolveInfo resolveInfo = (ResolveInfo) i;
7279//                if (isEnabledLP(resolveInfo.serviceInfo)) {
7280//                    retList.add(resolveInfo);
7281//                }
7282//            }
7283//            return retList;
7284//        }
7285
7286        // Keys are String (activity class name), values are Activity.
7287        private final HashMap<ComponentName, PackageParser.Service> mServices
7288                = new HashMap<ComponentName, PackageParser.Service>();
7289        private int mFlags;
7290    };
7291
7292    private final class ProviderIntentResolver
7293            extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> {
7294        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
7295                boolean defaultOnly, int userId) {
7296            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
7297            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
7298        }
7299
7300        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
7301                int userId) {
7302            if (!sUserManager.exists(userId))
7303                return null;
7304            mFlags = flags;
7305            return super.queryIntent(intent, resolvedType,
7306                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
7307        }
7308
7309        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
7310                int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) {
7311            if (!sUserManager.exists(userId))
7312                return null;
7313            if (packageProviders == null) {
7314                return null;
7315            }
7316            mFlags = flags;
7317            final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0;
7318            final int N = packageProviders.size();
7319            ArrayList<PackageParser.ProviderIntentInfo[]> listCut =
7320                    new ArrayList<PackageParser.ProviderIntentInfo[]>(N);
7321
7322            ArrayList<PackageParser.ProviderIntentInfo> intentFilters;
7323            for (int i = 0; i < N; ++i) {
7324                intentFilters = packageProviders.get(i).intents;
7325                if (intentFilters != null && intentFilters.size() > 0) {
7326                    PackageParser.ProviderIntentInfo[] array =
7327                            new PackageParser.ProviderIntentInfo[intentFilters.size()];
7328                    intentFilters.toArray(array);
7329                    listCut.add(array);
7330                }
7331            }
7332            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
7333        }
7334
7335        public final void addProvider(PackageParser.Provider p) {
7336            if (mProviders.containsKey(p.getComponentName())) {
7337                Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring");
7338                return;
7339            }
7340
7341            mProviders.put(p.getComponentName(), p);
7342            if (DEBUG_SHOW_INFO) {
7343                Log.v(TAG, "  "
7344                        + (p.info.nonLocalizedLabel != null
7345                                ? p.info.nonLocalizedLabel : p.info.name) + ":");
7346                Log.v(TAG, "    Class=" + p.info.name);
7347            }
7348            final int NI = p.intents.size();
7349            int j;
7350            for (j = 0; j < NI; j++) {
7351                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
7352                if (DEBUG_SHOW_INFO) {
7353                    Log.v(TAG, "    IntentFilter:");
7354                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7355                }
7356                if (!intent.debugCheck()) {
7357                    Log.w(TAG, "==> For Provider " + p.info.name);
7358                }
7359                addFilter(intent);
7360            }
7361        }
7362
7363        public final void removeProvider(PackageParser.Provider p) {
7364            mProviders.remove(p.getComponentName());
7365            if (DEBUG_SHOW_INFO) {
7366                Log.v(TAG, "  " + (p.info.nonLocalizedLabel != null
7367                        ? p.info.nonLocalizedLabel : p.info.name) + ":");
7368                Log.v(TAG, "    Class=" + p.info.name);
7369            }
7370            final int NI = p.intents.size();
7371            int j;
7372            for (j = 0; j < NI; j++) {
7373                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
7374                if (DEBUG_SHOW_INFO) {
7375                    Log.v(TAG, "    IntentFilter:");
7376                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7377                }
7378                removeFilter(intent);
7379            }
7380        }
7381
7382        @Override
7383        protected boolean allowFilterResult(
7384                PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) {
7385            ProviderInfo filterPi = filter.provider.info;
7386            for (int i = dest.size() - 1; i >= 0; i--) {
7387                ProviderInfo destPi = dest.get(i).providerInfo;
7388                if (destPi.name == filterPi.name
7389                        && destPi.packageName == filterPi.packageName) {
7390                    return false;
7391                }
7392            }
7393            return true;
7394        }
7395
7396        @Override
7397        protected PackageParser.ProviderIntentInfo[] newArray(int size) {
7398            return new PackageParser.ProviderIntentInfo[size];
7399        }
7400
7401        @Override
7402        protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) {
7403            if (!sUserManager.exists(userId))
7404                return true;
7405            PackageParser.Package p = filter.provider.owner;
7406            if (p != null) {
7407                PackageSetting ps = (PackageSetting) p.mExtras;
7408                if (ps != null) {
7409                    // System apps are never considered stopped for purposes of
7410                    // filtering, because there may be no way for the user to
7411                    // actually re-launch them.
7412                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
7413                            && ps.getStopped(userId);
7414                }
7415            }
7416            return false;
7417        }
7418
7419        @Override
7420        protected boolean isPackageForFilter(String packageName,
7421                PackageParser.ProviderIntentInfo info) {
7422            return packageName.equals(info.provider.owner.packageName);
7423        }
7424
7425        @Override
7426        protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter,
7427                int match, int userId) {
7428            if (!sUserManager.exists(userId))
7429                return null;
7430            final PackageParser.ProviderIntentInfo info = filter;
7431            if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) {
7432                return null;
7433            }
7434            final PackageParser.Provider provider = info.provider;
7435            if (mSafeMode && (provider.info.applicationInfo.flags
7436                    & ApplicationInfo.FLAG_SYSTEM) == 0) {
7437                return null;
7438            }
7439            PackageSetting ps = (PackageSetting) provider.owner.mExtras;
7440            if (ps == null) {
7441                return null;
7442            }
7443            ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags,
7444                    ps.readUserState(userId), userId);
7445            if (pi == null) {
7446                return null;
7447            }
7448            final ResolveInfo res = new ResolveInfo();
7449            res.providerInfo = pi;
7450            if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) {
7451                res.filter = filter;
7452            }
7453            res.priority = info.getPriority();
7454            res.preferredOrder = provider.owner.mPreferredOrder;
7455            res.match = match;
7456            res.isDefault = info.hasDefault;
7457            res.labelRes = info.labelRes;
7458            res.nonLocalizedLabel = info.nonLocalizedLabel;
7459            res.icon = info.icon;
7460            res.system = isSystemApp(res.providerInfo.applicationInfo);
7461            return res;
7462        }
7463
7464        @Override
7465        protected void sortResults(List<ResolveInfo> results) {
7466            Collections.sort(results, mResolvePrioritySorter);
7467        }
7468
7469        @Override
7470        protected void dumpFilter(PrintWriter out, String prefix,
7471                PackageParser.ProviderIntentInfo filter) {
7472            out.print(prefix);
7473            out.print(
7474                    Integer.toHexString(System.identityHashCode(filter.provider)));
7475            out.print(' ');
7476            filter.provider.printComponentShortName(out);
7477            out.print(" filter ");
7478            out.println(Integer.toHexString(System.identityHashCode(filter)));
7479        }
7480
7481        private final HashMap<ComponentName, PackageParser.Provider> mProviders
7482                = new HashMap<ComponentName, PackageParser.Provider>();
7483        private int mFlags;
7484    };
7485
7486    private static final Comparator<ResolveInfo> mResolvePrioritySorter =
7487            new Comparator<ResolveInfo>() {
7488        public int compare(ResolveInfo r1, ResolveInfo r2) {
7489            int v1 = r1.priority;
7490            int v2 = r2.priority;
7491            //System.out.println("Comparing: q1=" + q1 + " q2=" + q2);
7492            if (v1 != v2) {
7493                return (v1 > v2) ? -1 : 1;
7494            }
7495            v1 = r1.preferredOrder;
7496            v2 = r2.preferredOrder;
7497            if (v1 != v2) {
7498                return (v1 > v2) ? -1 : 1;
7499            }
7500            if (r1.isDefault != r2.isDefault) {
7501                return r1.isDefault ? -1 : 1;
7502            }
7503            v1 = r1.match;
7504            v2 = r2.match;
7505            //System.out.println("Comparing: m1=" + m1 + " m2=" + m2);
7506            if (v1 != v2) {
7507                return (v1 > v2) ? -1 : 1;
7508            }
7509            if (r1.system != r2.system) {
7510                return r1.system ? -1 : 1;
7511            }
7512            return 0;
7513        }
7514    };
7515
7516    private static final Comparator<ProviderInfo> mProviderInitOrderSorter =
7517            new Comparator<ProviderInfo>() {
7518        public int compare(ProviderInfo p1, ProviderInfo p2) {
7519            final int v1 = p1.initOrder;
7520            final int v2 = p2.initOrder;
7521            return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0);
7522        }
7523    };
7524
7525    static final void sendPackageBroadcast(String action, String pkg,
7526            Bundle extras, String targetPkg, IIntentReceiver finishedReceiver,
7527            int[] userIds) {
7528        IActivityManager am = ActivityManagerNative.getDefault();
7529        if (am != null) {
7530            try {
7531                if (userIds == null) {
7532                    userIds = am.getRunningUserIds();
7533                }
7534                for (int id : userIds) {
7535                    final Intent intent = new Intent(action,
7536                            pkg != null ? Uri.fromParts("package", pkg, null) : null);
7537                    if (extras != null) {
7538                        intent.putExtras(extras);
7539                    }
7540                    if (targetPkg != null) {
7541                        intent.setPackage(targetPkg);
7542                    }
7543                    // Modify the UID when posting to other users
7544                    int uid = intent.getIntExtra(Intent.EXTRA_UID, -1);
7545                    if (uid > 0 && UserHandle.getUserId(uid) != id) {
7546                        uid = UserHandle.getUid(id, UserHandle.getAppId(uid));
7547                        intent.putExtra(Intent.EXTRA_UID, uid);
7548                    }
7549                    intent.putExtra(Intent.EXTRA_USER_HANDLE, id);
7550                    intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
7551                    if (DEBUG_BROADCASTS) {
7552                        RuntimeException here = new RuntimeException("here");
7553                        here.fillInStackTrace();
7554                        Slog.d(TAG, "Sending to user " + id + ": "
7555                                + intent.toShortString(false, true, false, false)
7556                                + " " + intent.getExtras(), here);
7557                    }
7558                    am.broadcastIntent(null, intent, null, finishedReceiver,
7559                            0, null, null, null, android.app.AppOpsManager.OP_NONE,
7560                            finishedReceiver != null, false, id);
7561                }
7562            } catch (RemoteException ex) {
7563            }
7564        }
7565    }
7566
7567    /**
7568     * Check if the external storage media is available. This is true if there
7569     * is a mounted external storage medium or if the external storage is
7570     * emulated.
7571     */
7572    private boolean isExternalMediaAvailable() {
7573        return mMediaMounted || Environment.isExternalStorageEmulated();
7574    }
7575
7576    @Override
7577    public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) {
7578        // writer
7579        synchronized (mPackages) {
7580            if (!isExternalMediaAvailable()) {
7581                // If the external storage is no longer mounted at this point,
7582                // the caller may not have been able to delete all of this
7583                // packages files and can not delete any more.  Bail.
7584                return null;
7585            }
7586            final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned;
7587            if (lastPackage != null) {
7588                pkgs.remove(lastPackage);
7589            }
7590            if (pkgs.size() > 0) {
7591                return pkgs.get(0);
7592            }
7593        }
7594        return null;
7595    }
7596
7597    void schedulePackageCleaning(String packageName, int userId, boolean andCode) {
7598        if (false) {
7599            RuntimeException here = new RuntimeException("here");
7600            here.fillInStackTrace();
7601            Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId
7602                    + " andCode=" + andCode, here);
7603        }
7604        mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE,
7605                userId, andCode ? 1 : 0, packageName));
7606    }
7607
7608    void startCleaningPackages() {
7609        // reader
7610        synchronized (mPackages) {
7611            if (!isExternalMediaAvailable()) {
7612                return;
7613            }
7614            if (mSettings.mPackagesToBeCleaned.isEmpty()) {
7615                return;
7616            }
7617        }
7618        Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE);
7619        intent.setComponent(DEFAULT_CONTAINER_COMPONENT);
7620        IActivityManager am = ActivityManagerNative.getDefault();
7621        if (am != null) {
7622            try {
7623                am.startService(null, intent, null, UserHandle.USER_OWNER);
7624            } catch (RemoteException e) {
7625            }
7626        }
7627    }
7628
7629    private final class AppDirObserver extends FileObserver {
7630        public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) {
7631            super(path, mask);
7632            mRootDir = path;
7633            mIsRom = isrom;
7634            mIsPrivileged = isPrivileged;
7635        }
7636
7637        public void onEvent(int event, String path) {
7638            String removedPackage = null;
7639            int removedAppId = -1;
7640            int[] removedUsers = null;
7641            String addedPackage = null;
7642            int addedAppId = -1;
7643            int[] addedUsers = null;
7644
7645            // TODO post a message to the handler to obtain serial ordering
7646            synchronized (mInstallLock) {
7647                String fullPathStr = null;
7648                File fullPath = null;
7649                if (path != null) {
7650                    fullPath = new File(mRootDir, path);
7651                    fullPathStr = fullPath.getPath();
7652                }
7653
7654                if (DEBUG_APP_DIR_OBSERVER)
7655                    Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event));
7656
7657                if (!isApkFile(fullPath)) {
7658                    if (DEBUG_APP_DIR_OBSERVER)
7659                        Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr);
7660                    return;
7661                }
7662
7663                // Ignore packages that are being installed or
7664                // have just been installed.
7665                if (ignoreCodePath(fullPathStr)) {
7666                    return;
7667                }
7668                PackageParser.Package p = null;
7669                PackageSetting ps = null;
7670                // reader
7671                synchronized (mPackages) {
7672                    p = mAppDirs.get(fullPathStr);
7673                    if (p != null) {
7674                        ps = mSettings.mPackages.get(p.applicationInfo.packageName);
7675                        if (ps != null) {
7676                            removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
7677                        } else {
7678                            removedUsers = sUserManager.getUserIds();
7679                        }
7680                    }
7681                    addedUsers = sUserManager.getUserIds();
7682                }
7683                if ((event&REMOVE_EVENTS) != 0) {
7684                    if (ps != null) {
7685                        if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps);
7686                        removePackageLI(ps, true);
7687                        removedPackage = ps.name;
7688                        removedAppId = ps.appId;
7689                    }
7690                }
7691
7692                if ((event&ADD_EVENTS) != 0) {
7693                    if (p == null) {
7694                        if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath);
7695                        int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK;
7696                        if (mIsRom) {
7697                            flags |= PackageParser.PARSE_IS_SYSTEM
7698                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
7699                            if (mIsPrivileged) {
7700                                flags |= PackageParser.PARSE_IS_PRIVILEGED;
7701                            }
7702                        }
7703                        try {
7704                            p = scanPackageLI(fullPath, flags,
7705                                    SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME,
7706                                    System.currentTimeMillis(), UserHandle.ALL, null);
7707                        } catch (PackageManagerException e) {
7708                            Slog.w(TAG, "Failed to scan " + fullPath + ": " + e.getMessage());
7709                            p = null;
7710                        }
7711                        if (p != null) {
7712                            /*
7713                             * TODO this seems dangerous as the package may have
7714                             * changed since we last acquired the mPackages
7715                             * lock.
7716                             */
7717                            // writer
7718                            synchronized (mPackages) {
7719                                updatePermissionsLPw(p.packageName, p,
7720                                        p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0);
7721                            }
7722                            addedPackage = p.applicationInfo.packageName;
7723                            addedAppId = UserHandle.getAppId(p.applicationInfo.uid);
7724                        }
7725                    }
7726                }
7727
7728                // reader
7729                synchronized (mPackages) {
7730                    mSettings.writeLPr();
7731                }
7732            }
7733
7734            if (removedPackage != null) {
7735                Bundle extras = new Bundle(1);
7736                extras.putInt(Intent.EXTRA_UID, removedAppId);
7737                extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false);
7738                sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
7739                        extras, null, null, removedUsers);
7740            }
7741            if (addedPackage != null) {
7742                Bundle extras = new Bundle(1);
7743                extras.putInt(Intent.EXTRA_UID, addedAppId);
7744                sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage,
7745                        extras, null, null, addedUsers);
7746            }
7747        }
7748
7749        private final String mRootDir;
7750        private final boolean mIsRom;
7751        private final boolean mIsPrivileged;
7752    }
7753
7754    @Override
7755    public void installPackage(String originPath, IPackageInstallObserver2 observer, int flags,
7756            String installerPackageName, VerificationParams verificationParams,
7757            String packageAbiOverride) {
7758        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES,
7759                null);
7760
7761        final File originFile = new File(originPath);
7762        final int uid = Binder.getCallingUid();
7763        if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) {
7764            try {
7765                if (observer != null) {
7766                    observer.packageInstalled("", null, INSTALL_FAILED_USER_RESTRICTED, null);
7767                }
7768            } catch (RemoteException re) {
7769            }
7770            return;
7771        }
7772
7773        UserHandle user;
7774        if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) {
7775            user = UserHandle.ALL;
7776        } else {
7777            user = new UserHandle(UserHandle.getUserId(uid));
7778        }
7779
7780        final int filteredFlags;
7781        if (uid == Process.SHELL_UID || uid == 0) {
7782            if (DEBUG_INSTALL) {
7783                Slog.v(TAG, "Install from ADB");
7784            }
7785            filteredFlags = flags | PackageManager.INSTALL_FROM_ADB;
7786        } else {
7787            filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB;
7788        }
7789
7790        verificationParams.setInstallerUid(uid);
7791
7792        final Message msg = mHandler.obtainMessage(INIT_COPY);
7793        msg.obj = new InstallParams(originFile, false, observer, filteredFlags,
7794                installerPackageName, verificationParams, user, packageAbiOverride);
7795        mHandler.sendMessage(msg);
7796    }
7797
7798    void installStage(String packageName, File stageDir, IPackageInstallObserver2 observer,
7799            InstallSessionParams params, String installerPackageName, int installerUid,
7800            UserHandle user) {
7801        final VerificationParams verifParams = new VerificationParams(null, params.originatingUri,
7802                params.referrerUri, installerUid, null);
7803
7804        final Message msg = mHandler.obtainMessage(INIT_COPY);
7805        msg.obj = new InstallParams(stageDir, true, observer, params.installFlags,
7806                installerPackageName, verifParams, user, params.abiOverride);
7807        mHandler.sendMessage(msg);
7808    }
7809
7810    private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) {
7811        Bundle extras = new Bundle(1);
7812        extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId));
7813
7814        sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
7815                packageName, extras, null, null, new int[] {userId});
7816        try {
7817            IActivityManager am = ActivityManagerNative.getDefault();
7818            final boolean isSystem =
7819                    isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting);
7820            if (isSystem && am.isUserRunning(userId, false)) {
7821                // The just-installed/enabled app is bundled on the system, so presumed
7822                // to be able to run automatically without needing an explicit launch.
7823                // Send it a BOOT_COMPLETED if it would ordinarily have gotten one.
7824                Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED)
7825                        .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
7826                        .setPackage(packageName);
7827                am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null,
7828                        android.app.AppOpsManager.OP_NONE, false, false, userId);
7829            }
7830        } catch (RemoteException e) {
7831            // shouldn't happen
7832            Slog.w(TAG, "Unable to bootstrap installed package", e);
7833        }
7834    }
7835
7836    @Override
7837    public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
7838            int userId) {
7839        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
7840        PackageSetting pkgSetting;
7841        final int uid = Binder.getCallingUid();
7842        if (UserHandle.getUserId(uid) != userId) {
7843            mContext.enforceCallingOrSelfPermission(
7844                    android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
7845                    "setApplicationBlockedSetting for user " + userId);
7846        }
7847
7848        if (blocked && isPackageDeviceAdmin(packageName, userId)) {
7849            Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin");
7850            return false;
7851        }
7852
7853        long callingId = Binder.clearCallingIdentity();
7854        try {
7855            boolean sendAdded = false;
7856            boolean sendRemoved = false;
7857            // writer
7858            synchronized (mPackages) {
7859                pkgSetting = mSettings.mPackages.get(packageName);
7860                if (pkgSetting == null) {
7861                    return false;
7862                }
7863                if (pkgSetting.getBlocked(userId) != blocked) {
7864                    pkgSetting.setBlocked(blocked, userId);
7865                    mSettings.writePackageRestrictionsLPr(userId);
7866                    if (blocked) {
7867                        sendRemoved = true;
7868                    } else {
7869                        sendAdded = true;
7870                    }
7871                }
7872            }
7873            if (sendAdded) {
7874                sendPackageAddedForUser(packageName, pkgSetting, userId);
7875                return true;
7876            }
7877            if (sendRemoved) {
7878                killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId),
7879                        "blocking pkg");
7880                sendPackageBlockedForUser(packageName, pkgSetting, userId);
7881            }
7882        } finally {
7883            Binder.restoreCallingIdentity(callingId);
7884        }
7885        return false;
7886    }
7887
7888    private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting,
7889            int userId) {
7890        final PackageRemovedInfo info = new PackageRemovedInfo();
7891        info.removedPackage = packageName;
7892        info.removedUsers = new int[] {userId};
7893        info.uid = UserHandle.getUid(userId, pkgSetting.appId);
7894        info.sendBroadcast(false, false, false);
7895    }
7896
7897    /**
7898     * Returns true if application is not found or there was an error. Otherwise it returns
7899     * the blocked state of the package for the given user.
7900     */
7901    @Override
7902    public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) {
7903        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
7904        enforceCrossUserPermission(Binder.getCallingUid(), userId, true,
7905                "getApplicationBlocked for user " + userId);
7906        PackageSetting pkgSetting;
7907        long callingId = Binder.clearCallingIdentity();
7908        try {
7909            // writer
7910            synchronized (mPackages) {
7911                pkgSetting = mSettings.mPackages.get(packageName);
7912                if (pkgSetting == null) {
7913                    return true;
7914                }
7915                return pkgSetting.getBlocked(userId);
7916            }
7917        } finally {
7918            Binder.restoreCallingIdentity(callingId);
7919        }
7920    }
7921
7922    /**
7923     * @hide
7924     */
7925    @Override
7926    public int installExistingPackageAsUser(String packageName, int userId) {
7927        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES,
7928                null);
7929        PackageSetting pkgSetting;
7930        final int uid = Binder.getCallingUid();
7931        enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId);
7932        if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
7933            return PackageManager.INSTALL_FAILED_USER_RESTRICTED;
7934        }
7935
7936        long callingId = Binder.clearCallingIdentity();
7937        try {
7938            boolean sendAdded = false;
7939            Bundle extras = new Bundle(1);
7940
7941            // writer
7942            synchronized (mPackages) {
7943                pkgSetting = mSettings.mPackages.get(packageName);
7944                if (pkgSetting == null) {
7945                    return PackageManager.INSTALL_FAILED_INVALID_URI;
7946                }
7947                if (!pkgSetting.getInstalled(userId)) {
7948                    pkgSetting.setInstalled(true, userId);
7949                    pkgSetting.setBlocked(false, userId);
7950                    mSettings.writePackageRestrictionsLPr(userId);
7951                    sendAdded = true;
7952                }
7953            }
7954
7955            if (sendAdded) {
7956                sendPackageAddedForUser(packageName, pkgSetting, userId);
7957            }
7958        } finally {
7959            Binder.restoreCallingIdentity(callingId);
7960        }
7961
7962        return PackageManager.INSTALL_SUCCEEDED;
7963    }
7964
7965    boolean isUserRestricted(int userId, String restrictionKey) {
7966        Bundle restrictions = sUserManager.getUserRestrictions(userId);
7967        if (restrictions.getBoolean(restrictionKey, false)) {
7968            Log.w(TAG, "User is restricted: " + restrictionKey);
7969            return true;
7970        }
7971        return false;
7972    }
7973
7974    @Override
7975    public void verifyPendingInstall(int id, int verificationCode) throws RemoteException {
7976        mContext.enforceCallingOrSelfPermission(
7977                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
7978                "Only package verification agents can verify applications");
7979
7980        final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
7981        final PackageVerificationResponse response = new PackageVerificationResponse(
7982                verificationCode, Binder.getCallingUid());
7983        msg.arg1 = id;
7984        msg.obj = response;
7985        mHandler.sendMessage(msg);
7986    }
7987
7988    @Override
7989    public void extendVerificationTimeout(int id, int verificationCodeAtTimeout,
7990            long millisecondsToDelay) {
7991        mContext.enforceCallingOrSelfPermission(
7992                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
7993                "Only package verification agents can extend verification timeouts");
7994
7995        final PackageVerificationState state = mPendingVerification.get(id);
7996        final PackageVerificationResponse response = new PackageVerificationResponse(
7997                verificationCodeAtTimeout, Binder.getCallingUid());
7998
7999        if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) {
8000            millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT;
8001        }
8002        if (millisecondsToDelay < 0) {
8003            millisecondsToDelay = 0;
8004        }
8005        if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW)
8006                && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) {
8007            verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT;
8008        }
8009
8010        if ((state != null) && !state.timeoutExtended()) {
8011            state.extendTimeout();
8012
8013            final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
8014            msg.arg1 = id;
8015            msg.obj = response;
8016            mHandler.sendMessageDelayed(msg, millisecondsToDelay);
8017        }
8018    }
8019
8020    private void broadcastPackageVerified(int verificationId, Uri packageUri,
8021            int verificationCode, UserHandle user) {
8022        final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED);
8023        intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE);
8024        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
8025        intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
8026        intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode);
8027
8028        mContext.sendBroadcastAsUser(intent, user,
8029                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT);
8030    }
8031
8032    private ComponentName matchComponentForVerifier(String packageName,
8033            List<ResolveInfo> receivers) {
8034        ActivityInfo targetReceiver = null;
8035
8036        final int NR = receivers.size();
8037        for (int i = 0; i < NR; i++) {
8038            final ResolveInfo info = receivers.get(i);
8039            if (info.activityInfo == null) {
8040                continue;
8041            }
8042
8043            if (packageName.equals(info.activityInfo.packageName)) {
8044                targetReceiver = info.activityInfo;
8045                break;
8046            }
8047        }
8048
8049        if (targetReceiver == null) {
8050            return null;
8051        }
8052
8053        return new ComponentName(targetReceiver.packageName, targetReceiver.name);
8054    }
8055
8056    private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo,
8057            List<ResolveInfo> receivers, final PackageVerificationState verificationState) {
8058        if (pkgInfo.verifiers.length == 0) {
8059            return null;
8060        }
8061
8062        final int N = pkgInfo.verifiers.length;
8063        final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1);
8064        for (int i = 0; i < N; i++) {
8065            final VerifierInfo verifierInfo = pkgInfo.verifiers[i];
8066
8067            final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName,
8068                    receivers);
8069            if (comp == null) {
8070                continue;
8071            }
8072
8073            final int verifierUid = getUidForVerifier(verifierInfo);
8074            if (verifierUid == -1) {
8075                continue;
8076            }
8077
8078            if (DEBUG_VERIFY) {
8079                Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName
8080                        + " with the correct signature");
8081            }
8082            sufficientVerifiers.add(comp);
8083            verificationState.addSufficientVerifier(verifierUid);
8084        }
8085
8086        return sufficientVerifiers;
8087    }
8088
8089    private int getUidForVerifier(VerifierInfo verifierInfo) {
8090        synchronized (mPackages) {
8091            final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName);
8092            if (pkg == null) {
8093                return -1;
8094            } else if (pkg.mSignatures.length != 1) {
8095                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
8096                        + " has more than one signature; ignoring");
8097                return -1;
8098            }
8099
8100            /*
8101             * If the public key of the package's signature does not match
8102             * our expected public key, then this is a different package and
8103             * we should skip.
8104             */
8105
8106            final byte[] expectedPublicKey;
8107            try {
8108                final Signature verifierSig = pkg.mSignatures[0];
8109                final PublicKey publicKey = verifierSig.getPublicKey();
8110                expectedPublicKey = publicKey.getEncoded();
8111            } catch (CertificateException e) {
8112                return -1;
8113            }
8114
8115            final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded();
8116
8117            if (!Arrays.equals(actualPublicKey, expectedPublicKey)) {
8118                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
8119                        + " does not have the expected public key; ignoring");
8120                return -1;
8121            }
8122
8123            return pkg.applicationInfo.uid;
8124        }
8125    }
8126
8127    @Override
8128    public void finishPackageInstall(int token) {
8129        enforceSystemOrRoot("Only the system is allowed to finish installs");
8130
8131        if (DEBUG_INSTALL) {
8132            Slog.v(TAG, "BM finishing package install for " + token);
8133        }
8134
8135        final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
8136        mHandler.sendMessage(msg);
8137    }
8138
8139    /**
8140     * Get the verification agent timeout.
8141     *
8142     * @return verification timeout in milliseconds
8143     */
8144    private long getVerificationTimeout() {
8145        return android.provider.Settings.Global.getLong(mContext.getContentResolver(),
8146                android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT,
8147                DEFAULT_VERIFICATION_TIMEOUT);
8148    }
8149
8150    /**
8151     * Get the default verification agent response code.
8152     *
8153     * @return default verification response code
8154     */
8155    private int getDefaultVerificationResponse() {
8156        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8157                android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE,
8158                DEFAULT_VERIFICATION_RESPONSE);
8159    }
8160
8161    /**
8162     * Check whether or not package verification has been enabled.
8163     *
8164     * @return true if verification should be performed
8165     */
8166    private boolean isVerificationEnabled(int userId, int flags) {
8167        if (!DEFAULT_VERIFY_ENABLE) {
8168            return false;
8169        }
8170
8171        boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS);
8172
8173        // Check if installing from ADB
8174        if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) {
8175            // Do not run verification in a test harness environment
8176            if (ActivityManager.isRunningInTestHarness()) {
8177                return false;
8178            }
8179            if (ensureVerifyAppsEnabled) {
8180                return true;
8181            }
8182            // Check if the developer does not want package verification for ADB installs
8183            if (android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8184                    android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) {
8185                return false;
8186            }
8187        }
8188
8189        if (ensureVerifyAppsEnabled) {
8190            return true;
8191        }
8192
8193        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8194                android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1;
8195    }
8196
8197    /**
8198     * Get the "allow unknown sources" setting.
8199     *
8200     * @return the current "allow unknown sources" setting
8201     */
8202    private int getUnknownSourcesSettings() {
8203        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8204                android.provider.Settings.Global.INSTALL_NON_MARKET_APPS,
8205                -1);
8206    }
8207
8208    @Override
8209    public void setInstallerPackageName(String targetPackage, String installerPackageName) {
8210        final int uid = Binder.getCallingUid();
8211        // writer
8212        synchronized (mPackages) {
8213            PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage);
8214            if (targetPackageSetting == null) {
8215                throw new IllegalArgumentException("Unknown target package: " + targetPackage);
8216            }
8217
8218            PackageSetting installerPackageSetting;
8219            if (installerPackageName != null) {
8220                installerPackageSetting = mSettings.mPackages.get(installerPackageName);
8221                if (installerPackageSetting == null) {
8222                    throw new IllegalArgumentException("Unknown installer package: "
8223                            + installerPackageName);
8224                }
8225            } else {
8226                installerPackageSetting = null;
8227            }
8228
8229            Signature[] callerSignature;
8230            Object obj = mSettings.getUserIdLPr(uid);
8231            if (obj != null) {
8232                if (obj instanceof SharedUserSetting) {
8233                    callerSignature = ((SharedUserSetting)obj).signatures.mSignatures;
8234                } else if (obj instanceof PackageSetting) {
8235                    callerSignature = ((PackageSetting)obj).signatures.mSignatures;
8236                } else {
8237                    throw new SecurityException("Bad object " + obj + " for uid " + uid);
8238                }
8239            } else {
8240                throw new SecurityException("Unknown calling uid " + uid);
8241            }
8242
8243            // Verify: can't set installerPackageName to a package that is
8244            // not signed with the same cert as the caller.
8245            if (installerPackageSetting != null) {
8246                if (compareSignatures(callerSignature,
8247                        installerPackageSetting.signatures.mSignatures)
8248                        != PackageManager.SIGNATURE_MATCH) {
8249                    throw new SecurityException(
8250                            "Caller does not have same cert as new installer package "
8251                            + installerPackageName);
8252                }
8253            }
8254
8255            // Verify: if target already has an installer package, it must
8256            // be signed with the same cert as the caller.
8257            if (targetPackageSetting.installerPackageName != null) {
8258                PackageSetting setting = mSettings.mPackages.get(
8259                        targetPackageSetting.installerPackageName);
8260                // If the currently set package isn't valid, then it's always
8261                // okay to change it.
8262                if (setting != null) {
8263                    if (compareSignatures(callerSignature,
8264                            setting.signatures.mSignatures)
8265                            != PackageManager.SIGNATURE_MATCH) {
8266                        throw new SecurityException(
8267                                "Caller does not have same cert as old installer package "
8268                                + targetPackageSetting.installerPackageName);
8269                    }
8270                }
8271            }
8272
8273            // Okay!
8274            targetPackageSetting.installerPackageName = installerPackageName;
8275            scheduleWriteSettingsLocked();
8276        }
8277    }
8278
8279    private void processPendingInstall(final InstallArgs args, final int currentStatus) {
8280        // Queue up an async operation since the package installation may take a little while.
8281        mHandler.post(new Runnable() {
8282            public void run() {
8283                mHandler.removeCallbacks(this);
8284                 // Result object to be returned
8285                PackageInstalledInfo res = new PackageInstalledInfo();
8286                res.returnCode = currentStatus;
8287                res.uid = -1;
8288                res.pkg = null;
8289                res.removedInfo = new PackageRemovedInfo();
8290                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
8291                    args.doPreInstall(res.returnCode);
8292                    synchronized (mInstallLock) {
8293                        installPackageLI(args, true, res);
8294                    }
8295                    args.doPostInstall(res.returnCode, res.uid);
8296                }
8297
8298                // A restore should be performed at this point if (a) the install
8299                // succeeded, (b) the operation is not an update, and (c) the new
8300                // package has a backupAgent defined.
8301                final boolean update = res.removedInfo.removedPackage != null;
8302                boolean doRestore = (!update
8303                        && res.pkg != null
8304                        && res.pkg.applicationInfo.backupAgentName != null);
8305
8306                // Set up the post-install work request bookkeeping.  This will be used
8307                // and cleaned up by the post-install event handling regardless of whether
8308                // there's a restore pass performed.  Token values are >= 1.
8309                int token;
8310                if (mNextInstallToken < 0) mNextInstallToken = 1;
8311                token = mNextInstallToken++;
8312
8313                PostInstallData data = new PostInstallData(args, res);
8314                mRunningInstalls.put(token, data);
8315                if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token);
8316
8317                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) {
8318                    // Pass responsibility to the Backup Manager.  It will perform a
8319                    // restore if appropriate, then pass responsibility back to the
8320                    // Package Manager to run the post-install observer callbacks
8321                    // and broadcasts.
8322                    IBackupManager bm = IBackupManager.Stub.asInterface(
8323                            ServiceManager.getService(Context.BACKUP_SERVICE));
8324                    if (bm != null) {
8325                        if (DEBUG_INSTALL) Log.v(TAG, "token " + token
8326                                + " to BM for possible restore");
8327                        try {
8328                            bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token);
8329                        } catch (RemoteException e) {
8330                            // can't happen; the backup manager is local
8331                        } catch (Exception e) {
8332                            Slog.e(TAG, "Exception trying to enqueue restore", e);
8333                            doRestore = false;
8334                        }
8335                    } else {
8336                        Slog.e(TAG, "Backup Manager not found!");
8337                        doRestore = false;
8338                    }
8339                }
8340
8341                if (!doRestore) {
8342                    // No restore possible, or the Backup Manager was mysteriously not
8343                    // available -- just fire the post-install work request directly.
8344                    if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token);
8345                    Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
8346                    mHandler.sendMessage(msg);
8347                }
8348            }
8349        });
8350    }
8351
8352    private abstract class HandlerParams {
8353        private static final int MAX_RETRIES = 4;
8354
8355        /**
8356         * Number of times startCopy() has been attempted and had a non-fatal
8357         * error.
8358         */
8359        private int mRetries = 0;
8360
8361        /** User handle for the user requesting the information or installation. */
8362        private final UserHandle mUser;
8363
8364        HandlerParams(UserHandle user) {
8365            mUser = user;
8366        }
8367
8368        UserHandle getUser() {
8369            return mUser;
8370        }
8371
8372        final boolean startCopy() {
8373            boolean res;
8374            try {
8375                if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this);
8376
8377                if (++mRetries > MAX_RETRIES) {
8378                    Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up");
8379                    mHandler.sendEmptyMessage(MCS_GIVE_UP);
8380                    handleServiceError();
8381                    return false;
8382                } else {
8383                    handleStartCopy();
8384                    res = true;
8385                }
8386            } catch (RemoteException e) {
8387                if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT");
8388                mHandler.sendEmptyMessage(MCS_RECONNECT);
8389                res = false;
8390            }
8391            handleReturnCode();
8392            return res;
8393        }
8394
8395        final void serviceError() {
8396            if (DEBUG_INSTALL) Slog.i(TAG, "serviceError");
8397            handleServiceError();
8398            handleReturnCode();
8399        }
8400
8401        abstract void handleStartCopy() throws RemoteException;
8402        abstract void handleServiceError();
8403        abstract void handleReturnCode();
8404    }
8405
8406    class MeasureParams extends HandlerParams {
8407        private final PackageStats mStats;
8408        private boolean mSuccess;
8409
8410        private final IPackageStatsObserver mObserver;
8411
8412        public MeasureParams(PackageStats stats, IPackageStatsObserver observer) {
8413            super(new UserHandle(stats.userHandle));
8414            mObserver = observer;
8415            mStats = stats;
8416        }
8417
8418        @Override
8419        public String toString() {
8420            return "MeasureParams{"
8421                + Integer.toHexString(System.identityHashCode(this))
8422                + " " + mStats.packageName + "}";
8423        }
8424
8425        @Override
8426        void handleStartCopy() throws RemoteException {
8427            synchronized (mInstallLock) {
8428                mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats);
8429            }
8430
8431            if (mSuccess) {
8432                final boolean mounted;
8433                if (Environment.isExternalStorageEmulated()) {
8434                    mounted = true;
8435                } else {
8436                    final String status = Environment.getExternalStorageState();
8437                    mounted = (Environment.MEDIA_MOUNTED.equals(status)
8438                            || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status));
8439                }
8440
8441                if (mounted) {
8442                    final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle);
8443
8444                    mStats.externalCacheSize = calculateDirectorySize(mContainerService,
8445                            userEnv.buildExternalStorageAppCacheDirs(mStats.packageName));
8446
8447                    mStats.externalDataSize = calculateDirectorySize(mContainerService,
8448                            userEnv.buildExternalStorageAppDataDirs(mStats.packageName));
8449
8450                    // Always subtract cache size, since it's a subdirectory
8451                    mStats.externalDataSize -= mStats.externalCacheSize;
8452
8453                    mStats.externalMediaSize = calculateDirectorySize(mContainerService,
8454                            userEnv.buildExternalStorageAppMediaDirs(mStats.packageName));
8455
8456                    mStats.externalObbSize = calculateDirectorySize(mContainerService,
8457                            userEnv.buildExternalStorageAppObbDirs(mStats.packageName));
8458                }
8459            }
8460        }
8461
8462        @Override
8463        void handleReturnCode() {
8464            if (mObserver != null) {
8465                try {
8466                    mObserver.onGetStatsCompleted(mStats, mSuccess);
8467                } catch (RemoteException e) {
8468                    Slog.i(TAG, "Observer no longer exists.");
8469                }
8470            }
8471        }
8472
8473        @Override
8474        void handleServiceError() {
8475            Slog.e(TAG, "Could not measure application " + mStats.packageName
8476                            + " external storage");
8477        }
8478    }
8479
8480    private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths)
8481            throws RemoteException {
8482        long result = 0;
8483        for (File path : paths) {
8484            result += mcs.calculateDirectorySize(path.getAbsolutePath());
8485        }
8486        return result;
8487    }
8488
8489    private static void clearDirectory(IMediaContainerService mcs, File[] paths) {
8490        for (File path : paths) {
8491            try {
8492                mcs.clearDirectory(path.getAbsolutePath());
8493            } catch (RemoteException e) {
8494            }
8495        }
8496    }
8497
8498    class InstallParams extends HandlerParams {
8499        /**
8500         * Location where install is coming from, before it has been
8501         * copied/renamed into place. This could be a single monolithic APK
8502         * file, or a cluster directory. This location may be untrusted.
8503         */
8504        final File originFile;
8505
8506        /**
8507         * Flag indicating that {@link #originFile} has already been staged,
8508         * meaning downstream users don't need to defensively copy the contents.
8509         */
8510        boolean originStaged;
8511
8512        final IPackageInstallObserver2 observer;
8513        int flags;
8514        final String installerPackageName;
8515        final VerificationParams verificationParams;
8516        private InstallArgs mArgs;
8517        private int mRet;
8518        final String packageAbiOverride;
8519        boolean multiArch;
8520
8521        InstallParams(File originFile, boolean originStaged, IPackageInstallObserver2 observer,
8522                int flags, String installerPackageName, VerificationParams verificationParams,
8523                UserHandle user, String packageAbiOverride) {
8524            super(user);
8525            this.originFile = Preconditions.checkNotNull(originFile);
8526            this.originStaged = originStaged;
8527            this.observer = observer;
8528            this.flags = flags;
8529            this.installerPackageName = installerPackageName;
8530            this.verificationParams = verificationParams;
8531            this.packageAbiOverride = packageAbiOverride;
8532        }
8533
8534        @Override
8535        public String toString() {
8536            return "InstallParams{"
8537                + Integer.toHexString(System.identityHashCode(this))
8538                + " " + originFile + "}";
8539        }
8540
8541        public ManifestDigest getManifestDigest() {
8542            if (verificationParams == null) {
8543                return null;
8544            }
8545            return verificationParams.getManifestDigest();
8546        }
8547
8548        private int installLocationPolicy(PackageInfoLite pkgLite, int flags) {
8549            String packageName = pkgLite.packageName;
8550            int installLocation = pkgLite.installLocation;
8551            boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0;
8552            // reader
8553            synchronized (mPackages) {
8554                PackageParser.Package pkg = mPackages.get(packageName);
8555                if (pkg != null) {
8556                    if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
8557                        // Check for downgrading.
8558                        if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) {
8559                            if (pkgLite.versionCode < pkg.mVersionCode) {
8560                                Slog.w(TAG, "Can't install update of " + packageName
8561                                        + " update version " + pkgLite.versionCode
8562                                        + " is older than installed version "
8563                                        + pkg.mVersionCode);
8564                                return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE;
8565                            }
8566                        }
8567                        // Check for updated system application.
8568                        if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
8569                            if (onSd) {
8570                                Slog.w(TAG, "Cannot install update to system app on sdcard");
8571                                return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION;
8572                            }
8573                            return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
8574                        } else {
8575                            if (onSd) {
8576                                // Install flag overrides everything.
8577                                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
8578                            }
8579                            // If current upgrade specifies particular preference
8580                            if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) {
8581                                // Application explicitly specified internal.
8582                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
8583                            } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) {
8584                                // App explictly prefers external. Let policy decide
8585                            } else {
8586                                // Prefer previous location
8587                                if (isExternal(pkg)) {
8588                                    return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
8589                                }
8590                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
8591                            }
8592                        }
8593                    } else {
8594                        // Invalid install. Return error code
8595                        return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS;
8596                    }
8597                }
8598            }
8599            // All the special cases have been taken care of.
8600            // Return result based on recommended install location.
8601            if (onSd) {
8602                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
8603            }
8604            return pkgLite.recommendedInstallLocation;
8605        }
8606
8607        private long getMemoryLowThreshold() {
8608            final DeviceStorageMonitorInternal
8609                    dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
8610            if (dsm == null) {
8611                return 0L;
8612            }
8613            return dsm.getMemoryLowThreshold();
8614        }
8615
8616        /*
8617         * Invoke remote method to get package information and install
8618         * location values. Override install location based on default
8619         * policy if needed and then create install arguments based
8620         * on the install location.
8621         */
8622        public void handleStartCopy() throws RemoteException {
8623            int ret = PackageManager.INSTALL_SUCCEEDED;
8624            final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0;
8625            final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0;
8626            PackageInfoLite pkgLite = null;
8627
8628            if (onInt && onSd) {
8629                // Check if both bits are set.
8630                Slog.w(TAG, "Conflicting flags specified for installing on both internal and external");
8631                ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
8632            } else {
8633                final long lowThreshold = getMemoryLowThreshold();
8634                if (lowThreshold == 0L) {
8635                    Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed");
8636                }
8637
8638                // Remote call to find out default install location
8639                final String originPath = originFile.getAbsolutePath();
8640                pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags, lowThreshold,
8641                        packageAbiOverride);
8642                // Keep track of whether this package is a multiArch package until
8643                // we perform a full scan of it. We need to do this because we might
8644                // end up extracting the package shared libraries before we perform
8645                // a full scan.
8646                multiArch = pkgLite.multiArch;
8647
8648                /*
8649                 * If we have too little free space, try to free cache
8650                 * before giving up.
8651                 */
8652                if (pkgLite.recommendedInstallLocation
8653                        == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
8654                    final long size = mContainerService.calculateInstalledSize(
8655                            originPath, isForwardLocked(), packageAbiOverride);
8656                    if (mInstaller.freeCache(size + lowThreshold) >= 0) {
8657                        pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags,
8658                                lowThreshold, packageAbiOverride);
8659                    }
8660                    /*
8661                     * The cache free must have deleted the file we
8662                     * downloaded to install.
8663                     *
8664                     * TODO: fix the "freeCache" call to not delete
8665                     *       the file we care about.
8666                     */
8667                    if (pkgLite.recommendedInstallLocation
8668                            == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
8669                        pkgLite.recommendedInstallLocation
8670                            = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE;
8671                    }
8672                }
8673            }
8674
8675            if (ret == PackageManager.INSTALL_SUCCEEDED) {
8676                int loc = pkgLite.recommendedInstallLocation;
8677                if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) {
8678                    ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
8679                } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) {
8680                    ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
8681                } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
8682                    ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
8683                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) {
8684                    ret = PackageManager.INSTALL_FAILED_INVALID_APK;
8685                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
8686                    ret = PackageManager.INSTALL_FAILED_INVALID_URI;
8687                } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) {
8688                    ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE;
8689                } else {
8690                    // Override with defaults if needed.
8691                    loc = installLocationPolicy(pkgLite, flags);
8692                    if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) {
8693                        ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE;
8694                    } else if (!onSd && !onInt) {
8695                        // Override install location with flags
8696                        if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) {
8697                            // Set the flag to install on external media.
8698                            flags |= PackageManager.INSTALL_EXTERNAL;
8699                            flags &= ~PackageManager.INSTALL_INTERNAL;
8700                        } else {
8701                            // Make sure the flag for installing on external
8702                            // media is unset
8703                            flags |= PackageManager.INSTALL_INTERNAL;
8704                            flags &= ~PackageManager.INSTALL_EXTERNAL;
8705                        }
8706                    }
8707                }
8708            }
8709
8710            final InstallArgs args = createInstallArgs(this);
8711            mArgs = args;
8712
8713            if (ret == PackageManager.INSTALL_SUCCEEDED) {
8714                 /*
8715                 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by
8716                 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER.
8717                 */
8718                int userIdentifier = getUser().getIdentifier();
8719                if (userIdentifier == UserHandle.USER_ALL
8720                        && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) {
8721                    userIdentifier = UserHandle.USER_OWNER;
8722                }
8723
8724                /*
8725                 * Determine if we have any installed package verifiers. If we
8726                 * do, then we'll defer to them to verify the packages.
8727                 */
8728                final int requiredUid = mRequiredVerifierPackage == null ? -1
8729                        : getPackageUid(mRequiredVerifierPackage, userIdentifier);
8730                if (requiredUid != -1 && isVerificationEnabled(userIdentifier, flags)) {
8731                    // TODO: send verifier the install session instead of uri
8732                    final Intent verification = new Intent(
8733                            Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
8734                    verification.setDataAndType(Uri.fromFile(originFile), PACKAGE_MIME_TYPE);
8735                    verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
8736
8737                    final List<ResolveInfo> receivers = queryIntentReceivers(verification,
8738                            PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS,
8739                            0 /* TODO: Which userId? */);
8740
8741                    if (DEBUG_VERIFY) {
8742                        Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent "
8743                                + verification.toString() + " with " + pkgLite.verifiers.length
8744                                + " optional verifiers");
8745                    }
8746
8747                    final int verificationId = mPendingVerificationToken++;
8748
8749                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
8750
8751                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE,
8752                            installerPackageName);
8753
8754                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags);
8755
8756                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME,
8757                            pkgLite.packageName);
8758
8759                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE,
8760                            pkgLite.versionCode);
8761
8762                    if (verificationParams != null) {
8763                        if (verificationParams.getVerificationURI() != null) {
8764                           verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI,
8765                                 verificationParams.getVerificationURI());
8766                        }
8767                        if (verificationParams.getOriginatingURI() != null) {
8768                            verification.putExtra(Intent.EXTRA_ORIGINATING_URI,
8769                                  verificationParams.getOriginatingURI());
8770                        }
8771                        if (verificationParams.getReferrer() != null) {
8772                            verification.putExtra(Intent.EXTRA_REFERRER,
8773                                  verificationParams.getReferrer());
8774                        }
8775                        if (verificationParams.getOriginatingUid() >= 0) {
8776                            verification.putExtra(Intent.EXTRA_ORIGINATING_UID,
8777                                  verificationParams.getOriginatingUid());
8778                        }
8779                        if (verificationParams.getInstallerUid() >= 0) {
8780                            verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID,
8781                                  verificationParams.getInstallerUid());
8782                        }
8783                    }
8784
8785                    final PackageVerificationState verificationState = new PackageVerificationState(
8786                            requiredUid, args);
8787
8788                    mPendingVerification.append(verificationId, verificationState);
8789
8790                    final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite,
8791                            receivers, verificationState);
8792
8793                    /*
8794                     * If any sufficient verifiers were listed in the package
8795                     * manifest, attempt to ask them.
8796                     */
8797                    if (sufficientVerifiers != null) {
8798                        final int N = sufficientVerifiers.size();
8799                        if (N == 0) {
8800                            Slog.i(TAG, "Additional verifiers required, but none installed.");
8801                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
8802                        } else {
8803                            for (int i = 0; i < N; i++) {
8804                                final ComponentName verifierComponent = sufficientVerifiers.get(i);
8805
8806                                final Intent sufficientIntent = new Intent(verification);
8807                                sufficientIntent.setComponent(verifierComponent);
8808
8809                                mContext.sendBroadcastAsUser(sufficientIntent, getUser());
8810                            }
8811                        }
8812                    }
8813
8814                    final ComponentName requiredVerifierComponent = matchComponentForVerifier(
8815                            mRequiredVerifierPackage, receivers);
8816                    if (ret == PackageManager.INSTALL_SUCCEEDED
8817                            && mRequiredVerifierPackage != null) {
8818                        /*
8819                         * Send the intent to the required verification agent,
8820                         * but only start the verification timeout after the
8821                         * target BroadcastReceivers have run.
8822                         */
8823                        verification.setComponent(requiredVerifierComponent);
8824                        mContext.sendOrderedBroadcastAsUser(verification, getUser(),
8825                                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
8826                                new BroadcastReceiver() {
8827                                    @Override
8828                                    public void onReceive(Context context, Intent intent) {
8829                                        final Message msg = mHandler
8830                                                .obtainMessage(CHECK_PENDING_VERIFICATION);
8831                                        msg.arg1 = verificationId;
8832                                        mHandler.sendMessageDelayed(msg, getVerificationTimeout());
8833                                    }
8834                                }, null, 0, null, null);
8835
8836                        /*
8837                         * We don't want the copy to proceed until verification
8838                         * succeeds, so null out this field.
8839                         */
8840                        mArgs = null;
8841                    }
8842                } else {
8843                    /*
8844                     * No package verification is enabled, so immediately start
8845                     * the remote call to initiate copy using temporary file.
8846                     */
8847                    ret = args.copyApk(mContainerService, true);
8848                }
8849            }
8850
8851            mRet = ret;
8852        }
8853
8854        @Override
8855        void handleReturnCode() {
8856            // If mArgs is null, then MCS couldn't be reached. When it
8857            // reconnects, it will try again to install. At that point, this
8858            // will succeed.
8859            if (mArgs != null) {
8860                processPendingInstall(mArgs, mRet);
8861            }
8862        }
8863
8864        @Override
8865        void handleServiceError() {
8866            mArgs = createInstallArgs(this);
8867            mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
8868        }
8869
8870        public boolean isForwardLocked() {
8871            return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
8872        }
8873    }
8874
8875    /*
8876     * Utility class used in movePackage api.
8877     * srcArgs and targetArgs are not set for invalid flags and make
8878     * sure to do null checks when invoking methods on them.
8879     * We probably want to return ErrorPrams for both failed installs
8880     * and moves.
8881     */
8882    class MoveParams extends HandlerParams {
8883        final IPackageMoveObserver observer;
8884        final int flags;
8885        final String packageName;
8886        final InstallArgs srcArgs;
8887        final InstallArgs targetArgs;
8888        int uid;
8889        int mRet;
8890
8891        MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags,
8892                String packageName, String[] instructionSets, int uid, UserHandle user,
8893                boolean isMultiArch) {
8894            super(user);
8895            this.srcArgs = srcArgs;
8896            this.observer = observer;
8897            this.flags = flags;
8898            this.packageName = packageName;
8899            this.uid = uid;
8900            if (srcArgs != null) {
8901                final String codePath = srcArgs.getCodePath();
8902                targetArgs = createInstallArgsForMoveTarget(codePath, flags, packageName,
8903                        instructionSets, isMultiArch);
8904            } else {
8905                targetArgs = null;
8906            }
8907        }
8908
8909        @Override
8910        public String toString() {
8911            return "MoveParams{"
8912                + Integer.toHexString(System.identityHashCode(this))
8913                + " " + packageName + "}";
8914        }
8915
8916        public void handleStartCopy() throws RemoteException {
8917            mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
8918            // Check for storage space on target medium
8919            if (!targetArgs.checkFreeStorage(mContainerService)) {
8920                Log.w(TAG, "Insufficient storage to install");
8921                return;
8922            }
8923
8924            mRet = srcArgs.doPreCopy();
8925            if (mRet != PackageManager.INSTALL_SUCCEEDED) {
8926                return;
8927            }
8928
8929            mRet = targetArgs.copyApk(mContainerService, false);
8930            if (mRet != PackageManager.INSTALL_SUCCEEDED) {
8931                srcArgs.doPostCopy(uid);
8932                return;
8933            }
8934
8935            mRet = srcArgs.doPostCopy(uid);
8936            if (mRet != PackageManager.INSTALL_SUCCEEDED) {
8937                return;
8938            }
8939
8940            mRet = targetArgs.doPreInstall(mRet);
8941            if (mRet != PackageManager.INSTALL_SUCCEEDED) {
8942                return;
8943            }
8944
8945            if (DEBUG_SD_INSTALL) {
8946                StringBuilder builder = new StringBuilder();
8947                if (srcArgs != null) {
8948                    builder.append("src: ");
8949                    builder.append(srcArgs.getCodePath());
8950                }
8951                if (targetArgs != null) {
8952                    builder.append(" target : ");
8953                    builder.append(targetArgs.getCodePath());
8954                }
8955                Log.i(TAG, builder.toString());
8956            }
8957        }
8958
8959        @Override
8960        void handleReturnCode() {
8961            targetArgs.doPostInstall(mRet, uid);
8962            int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
8963            if (mRet == PackageManager.INSTALL_SUCCEEDED) {
8964                currentStatus = PackageManager.MOVE_SUCCEEDED;
8965            } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){
8966                currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
8967            }
8968            processPendingMove(this, currentStatus);
8969        }
8970
8971        @Override
8972        void handleServiceError() {
8973            mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
8974        }
8975    }
8976
8977    /**
8978     * Used during creation of InstallArgs
8979     *
8980     * @param flags package installation flags
8981     * @return true if should be installed on external storage
8982     */
8983    private static boolean installOnSd(int flags) {
8984        if ((flags & PackageManager.INSTALL_INTERNAL) != 0) {
8985            return false;
8986        }
8987        if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) {
8988            return true;
8989        }
8990        return false;
8991    }
8992
8993    /**
8994     * Used during creation of InstallArgs
8995     *
8996     * @param flags package installation flags
8997     * @return true if should be installed as forward locked
8998     */
8999    private static boolean installForwardLocked(int flags) {
9000        return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
9001    }
9002
9003    private InstallArgs createInstallArgs(InstallParams params) {
9004        // TODO: extend to support incoming zero-copy locations
9005
9006        if (installOnSd(params.flags) || params.isForwardLocked()) {
9007            return new AsecInstallArgs(params);
9008        } else {
9009            return new FileInstallArgs(params);
9010        }
9011    }
9012
9013    /**
9014     * Create args that describe an existing installed package. Typically used
9015     * when cleaning up old installs, or used as a move source.
9016     */
9017    private InstallArgs createInstallArgsForExisting(int flags, String codePath,
9018            String resourcePath, String nativeLibraryRoot, String[] instructionSets,
9019            boolean isMultiArch) {
9020        final boolean isInAsec;
9021        if (installOnSd(flags)) {
9022            /* Apps on SD card are always in ASEC containers. */
9023            isInAsec = true;
9024        } else if (installForwardLocked(flags)
9025                && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) {
9026            /*
9027             * Forward-locked apps are only in ASEC containers if they're the
9028             * new style
9029             */
9030            isInAsec = true;
9031        } else {
9032            isInAsec = false;
9033        }
9034
9035        if (isInAsec) {
9036            return new AsecInstallArgs(codePath, instructionSets,
9037                    installOnSd(flags), installForwardLocked(flags), isMultiArch);
9038        } else {
9039            return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot,
9040                    instructionSets, isMultiArch);
9041        }
9042    }
9043
9044    private InstallArgs createInstallArgsForMoveTarget(String codePath, int flags, String pkgName,
9045            String[] instructionSets, boolean isMultiArch) {
9046        final File codeFile = new File(codePath);
9047        if (installOnSd(flags) || installForwardLocked(flags)) {
9048            String cid = getNextCodePath(codePath, pkgName, "/"
9049                    + AsecInstallArgs.RES_FILE_NAME);
9050            return new AsecInstallArgs(codeFile, cid, instructionSets, installOnSd(flags),
9051                    installForwardLocked(flags), isMultiArch);
9052        } else {
9053            return new FileInstallArgs(codeFile, instructionSets, isMultiArch);
9054        }
9055    }
9056
9057    static abstract class InstallArgs {
9058        /** @see InstallParams#originFile */
9059        final File originFile;
9060        /** @see InstallParams#originStaged */
9061        final boolean originStaged;
9062
9063        // TODO: define inherit location
9064
9065        final IPackageInstallObserver2 observer;
9066        // Always refers to PackageManager flags only
9067        final int flags;
9068        final String installerPackageName;
9069        final ManifestDigest manifestDigest;
9070        final UserHandle user;
9071        final String abiOverride;
9072        final boolean multiArch;
9073
9074        // The list of instruction sets supported by this app. This is currently
9075        // only used during the rmdex() phase to clean up resources. We can get rid of this
9076        // if we move dex files under the common app path.
9077        /* nullable */ String[] instructionSets;
9078
9079        InstallArgs(File originFile, boolean originStaged, IPackageInstallObserver2 observer,
9080                    int flags, String installerPackageName, ManifestDigest manifestDigest,
9081                    UserHandle user, String[] instructionSets,
9082                    String abiOverride, boolean multiArch) {
9083            this.originFile = originFile;
9084            this.originStaged = originStaged;
9085            this.flags = flags;
9086            this.observer = observer;
9087            this.installerPackageName = installerPackageName;
9088            this.manifestDigest = manifestDigest;
9089            this.user = user;
9090            this.instructionSets = instructionSets;
9091            this.abiOverride = abiOverride;
9092            this.multiArch = multiArch;
9093        }
9094
9095        abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException;
9096        abstract int doPreInstall(int status);
9097
9098        /**
9099         * Rename package into final resting place. All paths on the given
9100         * scanned package should be updated to reflect the rename.
9101         */
9102        abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath);
9103        abstract int doPostInstall(int status, int uid);
9104
9105        /** @see PackageSettingBase#codePathString */
9106        abstract String getCodePath();
9107        /** @see PackageSettingBase#resourcePathString */
9108        abstract String getResourcePath();
9109        abstract String getLegacyNativeLibraryPath();
9110
9111        // Need installer lock especially for dex file removal.
9112        abstract void cleanUpResourcesLI();
9113        abstract boolean doPostDeleteLI(boolean delete);
9114        abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException;
9115
9116        /**
9117         * Called before the source arguments are copied. This is used mostly
9118         * for MoveParams when it needs to read the source file to put it in the
9119         * destination.
9120         */
9121        int doPreCopy() {
9122            return PackageManager.INSTALL_SUCCEEDED;
9123        }
9124
9125        /**
9126         * Called after the source arguments are copied. This is used mostly for
9127         * MoveParams when it needs to read the source file to put it in the
9128         * destination.
9129         *
9130         * @return
9131         */
9132        int doPostCopy(int uid) {
9133            return PackageManager.INSTALL_SUCCEEDED;
9134        }
9135
9136        protected boolean isFwdLocked() {
9137            return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
9138        }
9139
9140        UserHandle getUser() {
9141            return user;
9142        }
9143    }
9144
9145    /**
9146     * Logic to handle installation of non-ASEC applications, including copying
9147     * and renaming logic.
9148     */
9149    class FileInstallArgs extends InstallArgs {
9150        private File codeFile;
9151        private File resourceFile;
9152        private File legacyNativeLibraryPath;
9153
9154        // Example topology:
9155        // /data/app/com.example/base.apk
9156        // /data/app/com.example/split_foo.apk
9157        // /data/app/com.example/lib/arm/libfoo.so
9158        // /data/app/com.example/lib/arm64/libfoo.so
9159        // /data/app/com.example/dalvik/arm/base.apk@classes.dex
9160
9161        /** New install */
9162        FileInstallArgs(InstallParams params) {
9163            super(params.originFile, params.originStaged, params.observer, params.flags,
9164                    params.installerPackageName, params.getManifestDigest(), params.getUser(),
9165                    null /* instruction sets */, params.packageAbiOverride,
9166                    params.multiArch);
9167            if (isFwdLocked()) {
9168                throw new IllegalArgumentException("Forward locking only supported in ASEC");
9169            }
9170        }
9171
9172        /** Existing install */
9173        FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath,
9174                String[] instructionSets, boolean isMultiArch) {
9175            super(null, false, null, 0, null, null, null, instructionSets, null, isMultiArch);
9176            this.codeFile = (codePath != null) ? new File(codePath) : null;
9177            this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null;
9178            this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ?
9179                    new File(legacyNativeLibraryPath) : null;
9180        }
9181
9182        /** New install from existing */
9183        FileInstallArgs(File originFile, String[] instructionSets, boolean isMultiArch) {
9184            super(originFile, false, null, 0, null, null, null, instructionSets, null,
9185                    isMultiArch);
9186        }
9187
9188        boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
9189            final long lowThreshold;
9190
9191            final DeviceStorageMonitorInternal
9192                    dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
9193            if (dsm == null) {
9194                Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed");
9195                lowThreshold = 0L;
9196            } else {
9197                if (dsm.isMemoryLow()) {
9198                    Log.w(TAG, "Memory is reported as being too low; aborting package install");
9199                    return false;
9200                }
9201
9202                lowThreshold = dsm.getMemoryLowThreshold();
9203            }
9204
9205            return imcs.checkInternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(),
9206                    lowThreshold);
9207        }
9208
9209        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
9210            int ret = PackageManager.INSTALL_SUCCEEDED;
9211
9212            if (originStaged) {
9213                Slog.d(TAG, originFile + " already staged; skipping copy");
9214                codeFile = originFile;
9215                resourceFile = originFile;
9216            } else {
9217                try {
9218                    final File tempDir = mInstallerService.allocateSessionDir();
9219                    codeFile = tempDir;
9220                    resourceFile = tempDir;
9221                } catch (IOException e) {
9222                    Slog.w(TAG, "Failed to create copy file: " + e);
9223                    return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
9224                }
9225
9226                final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() {
9227                    @Override
9228                    public ParcelFileDescriptor open(String name, int mode) throws RemoteException {
9229                        if (!FileUtils.isValidExtFilename(name)) {
9230                            throw new IllegalArgumentException("Invalid filename: " + name);
9231                        }
9232                        try {
9233                            final File file = new File(codeFile, name);
9234                            final FileDescriptor fd = Os.open(file.getAbsolutePath(),
9235                                    O_RDWR | O_CREAT, 0644);
9236                            Os.chmod(file.getAbsolutePath(), 0644);
9237                            return new ParcelFileDescriptor(fd);
9238                        } catch (ErrnoException e) {
9239                            throw new RemoteException("Failed to open: " + e.getMessage());
9240                        }
9241                    }
9242                };
9243
9244                ret = imcs.copyPackage(originFile.getAbsolutePath(), target);
9245                if (ret != PackageManager.INSTALL_SUCCEEDED) {
9246                    Slog.e(TAG, "Failed to copy package");
9247                    return ret;
9248                }
9249            }
9250
9251            final File libraryRoot = new File(codeFile, LIB_DIR_NAME);
9252            NativeLibraryHelper.Handle handle = null;
9253            try {
9254                handle = NativeLibraryHelper.Handle.create(codeFile);
9255                if (multiArch) {
9256                    // Warn if we've set an abiOverride for multi-lib packages..
9257                    // By definition, we need to copy both 32 and 64 bit libraries for
9258                    // such packages.
9259                    if (abiOverride != null) {
9260                        Slog.w(TAG, "Ignoring abiOverride for multi arch application.");
9261                    }
9262
9263                    int copyRet = PackageManager.NO_NATIVE_LIBRARIES;
9264                    if (Build.SUPPORTED_32_BIT_ABIS.length > 0) {
9265                        copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot,
9266                                Build.SUPPORTED_32_BIT_ABIS, true /* use isa specific subdirs */);
9267                        if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
9268                            Slog.w(TAG, "Failure copying 32 bit native libraries [errorCode=" + copyRet + "]");
9269                            return copyRet;
9270                        }
9271                    }
9272
9273                    if (DEBUG_ABI_SELECTION && copyRet >= 0) {
9274                        Log.d(TAG, "Installed 32 bit libraries under: " + codeFile + " abi=" +
9275                                Build.SUPPORTED_32_BIT_ABIS[copyRet]);
9276                    }
9277
9278                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {
9279                        copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot,
9280                                Build.SUPPORTED_64_BIT_ABIS, true /* use isa specific subdirs */);
9281                        if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
9282                            Slog.w(TAG, "Failure copying 64 bit native libraries [errorCode=" + copyRet + "]");
9283                            return copyRet;
9284                        }
9285                    }
9286
9287                    if (DEBUG_ABI_SELECTION && copyRet >= 0) {
9288                        Log.d(TAG, "Installed 64 bit libraries under: " + codeFile + " abi=" +
9289                                Build.SUPPORTED_64_BIT_ABIS[copyRet]);
9290                    }
9291                } else {
9292                    String[] abiList = (abiOverride != null) ?
9293                            new String[] { abiOverride } : Build.SUPPORTED_ABIS;
9294
9295                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && abiOverride == null &&
9296                            NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
9297                        abiList = Build.SUPPORTED_32_BIT_ABIS;
9298                    }
9299
9300                    int copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, abiList,
9301                            true /* use isa specific subdirs */);
9302                    if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
9303                        Slog.w(TAG, "Failure copying native libraries [errorCode=" + copyRet + "]");
9304                        return copyRet;
9305                    }
9306
9307                    if (DEBUG_ABI_SELECTION && copyRet >= 0) {
9308                        Log.d(TAG, "Installed libraries under: " + codeFile + " abi=" + abiList[copyRet]);
9309                    }
9310                }
9311            } catch (IOException e) {
9312                Slog.e(TAG, "Copying native libraries failed", e);
9313                ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
9314            } finally {
9315                IoUtils.closeQuietly(handle);
9316            }
9317
9318            return ret;
9319        }
9320
9321        int doPreInstall(int status) {
9322            if (status != PackageManager.INSTALL_SUCCEEDED) {
9323                cleanUp();
9324            }
9325            return status;
9326        }
9327
9328        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
9329            if (status != PackageManager.INSTALL_SUCCEEDED) {
9330                cleanUp();
9331                return false;
9332            } else {
9333                final File beforeCodeFile = codeFile;
9334                final File afterCodeFile = getNextCodePath(pkg.packageName);
9335
9336                Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile);
9337                try {
9338                    Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath());
9339                } catch (ErrnoException e) {
9340                    Slog.d(TAG, "Failed to rename", e);
9341                    return false;
9342                }
9343
9344                if (!SELinux.restoreconRecursive(afterCodeFile)) {
9345                    Slog.d(TAG, "Failed to restorecon");
9346                    return false;
9347                }
9348
9349                // Reflect the rename internally
9350                codeFile = afterCodeFile;
9351                resourceFile = afterCodeFile;
9352
9353                // Reflect the rename in scanned details
9354                pkg.codePath = afterCodeFile.getAbsolutePath();
9355                pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
9356                        pkg.baseCodePath);
9357                pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
9358                        pkg.splitCodePaths);
9359
9360                // Reflect the rename in app info
9361                pkg.applicationInfo.setCodePath(pkg.codePath);
9362                pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
9363                pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
9364                pkg.applicationInfo.setResourcePath(pkg.codePath);
9365                pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
9366                pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
9367
9368                return true;
9369            }
9370        }
9371
9372        int doPostInstall(int status, int uid) {
9373            if (status != PackageManager.INSTALL_SUCCEEDED) {
9374                cleanUp();
9375            }
9376            return status;
9377        }
9378
9379        @Override
9380        String getCodePath() {
9381            return (codeFile != null) ? codeFile.getAbsolutePath() : null;
9382        }
9383
9384        @Override
9385        String getResourcePath() {
9386            return (resourceFile != null) ? resourceFile.getAbsolutePath() : null;
9387        }
9388
9389        @Override
9390        String getLegacyNativeLibraryPath() {
9391            return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null;
9392        }
9393
9394        private boolean cleanUp() {
9395            if (codeFile == null || !codeFile.exists()) {
9396                return false;
9397            }
9398
9399            if (codeFile.isDirectory()) {
9400                FileUtils.deleteContents(codeFile);
9401            }
9402            codeFile.delete();
9403
9404            if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) {
9405                resourceFile.delete();
9406            }
9407
9408            if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) {
9409                if (!FileUtils.deleteContents(legacyNativeLibraryPath)) {
9410                    Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath);
9411                }
9412                legacyNativeLibraryPath.delete();
9413            }
9414
9415            return true;
9416        }
9417
9418        void cleanUpResourcesLI() {
9419            // Try enumerating all code paths before deleting
9420            List<String> allCodePaths = Collections.EMPTY_LIST;
9421            if (codeFile != null && codeFile.exists()) {
9422                try {
9423                    final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0);
9424                    allCodePaths = pkg.getAllCodePaths();
9425                } catch (PackageParserException e) {
9426                    // Ignored; we tried our best
9427                }
9428            }
9429
9430            cleanUp();
9431
9432            if (!allCodePaths.isEmpty()) {
9433                if (instructionSets == null) {
9434                    throw new IllegalStateException("instructionSet == null");
9435                }
9436
9437                for (String codePath : allCodePaths) {
9438                    for (String instructionSet : instructionSets) {
9439                        int retCode = mInstaller.rmdex(codePath, instructionSet);
9440                        if (retCode < 0) {
9441                            Slog.w(TAG, "Couldn't remove dex file for package: "
9442                                    + " at location " + codePath + ", retcode=" + retCode);
9443                            // we don't consider this to be a failure of the core package deletion
9444                        }
9445                    }
9446                }
9447            }
9448        }
9449
9450        boolean doPostDeleteLI(boolean delete) {
9451            // XXX err, shouldn't we respect the delete flag?
9452            cleanUpResourcesLI();
9453            return true;
9454        }
9455    }
9456
9457    private boolean isAsecExternal(String cid) {
9458        final String asecPath = PackageHelper.getSdFilesystem(cid);
9459        return !asecPath.startsWith(mAsecInternalPath);
9460    }
9461
9462    /**
9463     * Extract the MountService "container ID" from the full code path of an
9464     * .apk.
9465     */
9466    static String cidFromCodePath(String fullCodePath) {
9467        int eidx = fullCodePath.lastIndexOf("/");
9468        String subStr1 = fullCodePath.substring(0, eidx);
9469        int sidx = subStr1.lastIndexOf("/");
9470        return subStr1.substring(sidx+1, eidx);
9471    }
9472
9473    /**
9474     * Logic to handle installation of ASEC applications, including copying and
9475     * renaming logic.
9476     */
9477    class AsecInstallArgs extends InstallArgs {
9478        // TODO: teach about handling cluster directories
9479
9480        static final String RES_FILE_NAME = "pkg.apk";
9481        static final String PUBLIC_RES_FILE_NAME = "res.zip";
9482
9483        String cid;
9484        String packagePath;
9485        String resourcePath;
9486        String legacyNativeLibraryDir;
9487
9488        /** New install */
9489        AsecInstallArgs(InstallParams params) {
9490            super(params.originFile, params.originStaged, params.observer, params.flags,
9491                    params.installerPackageName, params.getManifestDigest(),
9492                    params.getUser(), null /* instruction sets */,
9493                    params.packageAbiOverride, params.multiArch);
9494        }
9495
9496        /** Existing install */
9497        AsecInstallArgs(String fullCodePath, String[] instructionSets,
9498                        boolean isExternal, boolean isForwardLocked, boolean isMultiArch) {
9499            super(null, false, null, (isExternal ? INSTALL_EXTERNAL : 0)
9500                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null,
9501                    instructionSets, null, isMultiArch);
9502            // Extract cid from fullCodePath
9503            int eidx = fullCodePath.lastIndexOf("/");
9504            String subStr1 = fullCodePath.substring(0, eidx);
9505            int sidx = subStr1.lastIndexOf("/");
9506            cid = subStr1.substring(sidx+1, eidx);
9507            setCachePath(subStr1);
9508        }
9509
9510        AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked,
9511                        boolean isMultiArch) {
9512            super(null, false, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0)
9513                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null,
9514                    instructionSets, null, isMultiArch);
9515            this.cid = cid;
9516            setCachePath(PackageHelper.getSdDir(cid));
9517        }
9518
9519        /** New install from existing */
9520        AsecInstallArgs(File originPackageFile, String cid, String[] instructionSets,
9521                boolean isExternal, boolean isForwardLocked, boolean isMultiArch) {
9522            super(originPackageFile, false, null, (isExternal ? INSTALL_EXTERNAL : 0)
9523                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null,
9524                    instructionSets, null, isMultiArch);
9525            this.cid = cid;
9526        }
9527
9528        void createCopyFile() {
9529            cid = getTempContainerId();
9530        }
9531
9532        boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
9533            return imcs.checkExternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(),
9534                    abiOverride);
9535        }
9536
9537        private final boolean isExternal() {
9538            return (flags & PackageManager.INSTALL_EXTERNAL) != 0;
9539        }
9540
9541        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
9542            if (temp) {
9543                createCopyFile();
9544            } else {
9545                /*
9546                 * Pre-emptively destroy the container since it's destroyed if
9547                 * copying fails due to it existing anyway.
9548                 */
9549                PackageHelper.destroySdDir(cid);
9550            }
9551
9552            final String newCachePath = imcs.copyPackageToContainer(
9553                    originFile.getAbsolutePath(), cid, getEncryptKey(), isExternal(),
9554                    isFwdLocked(), abiOverride);
9555
9556            if (newCachePath != null) {
9557                setCachePath(newCachePath);
9558                return PackageManager.INSTALL_SUCCEEDED;
9559            } else {
9560                return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9561            }
9562        }
9563
9564        @Override
9565        String getCodePath() {
9566            return packagePath;
9567        }
9568
9569        @Override
9570        String getResourcePath() {
9571            return resourcePath;
9572        }
9573
9574        @Override
9575        String getLegacyNativeLibraryPath() {
9576            return legacyNativeLibraryDir;
9577        }
9578
9579        int doPreInstall(int status) {
9580            if (status != PackageManager.INSTALL_SUCCEEDED) {
9581                // Destroy container
9582                PackageHelper.destroySdDir(cid);
9583            } else {
9584                boolean mounted = PackageHelper.isContainerMounted(cid);
9585                if (!mounted) {
9586                    String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(),
9587                            Process.SYSTEM_UID);
9588                    if (newCachePath != null) {
9589                        setCachePath(newCachePath);
9590                    } else {
9591                        return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9592                    }
9593                }
9594            }
9595            return status;
9596        }
9597
9598        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
9599            String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME);
9600            String newCachePath = null;
9601            if (PackageHelper.isContainerMounted(cid)) {
9602                // Unmount the container
9603                if (!PackageHelper.unMountSdDir(cid)) {
9604                    Slog.i(TAG, "Failed to unmount " + cid + " before renaming");
9605                    return false;
9606                }
9607            }
9608            if (!PackageHelper.renameSdDir(cid, newCacheId)) {
9609                Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId +
9610                        " which might be stale. Will try to clean up.");
9611                // Clean up the stale container and proceed to recreate.
9612                if (!PackageHelper.destroySdDir(newCacheId)) {
9613                    Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId);
9614                    return false;
9615                }
9616                // Successfully cleaned up stale container. Try to rename again.
9617                if (!PackageHelper.renameSdDir(cid, newCacheId)) {
9618                    Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId
9619                            + " inspite of cleaning it up.");
9620                    return false;
9621                }
9622            }
9623            if (!PackageHelper.isContainerMounted(newCacheId)) {
9624                Slog.w(TAG, "Mounting container " + newCacheId);
9625                newCachePath = PackageHelper.mountSdDir(newCacheId,
9626                        getEncryptKey(), Process.SYSTEM_UID);
9627            } else {
9628                newCachePath = PackageHelper.getSdDir(newCacheId);
9629            }
9630            if (newCachePath == null) {
9631                Slog.w(TAG, "Failed to get cache path for  " + newCacheId);
9632                return false;
9633            }
9634            Log.i(TAG, "Succesfully renamed " + cid +
9635                    " to " + newCacheId +
9636                    " at new path: " + newCachePath);
9637            cid = newCacheId;
9638            setCachePath(newCachePath);
9639
9640            // TODO: extend to support split APKs
9641            pkg.codePath = getCodePath();
9642            pkg.baseCodePath = getCodePath();
9643            pkg.splitCodePaths = null;
9644
9645            pkg.applicationInfo.setCodePath(getCodePath());
9646            pkg.applicationInfo.setBaseCodePath(getCodePath());
9647            pkg.applicationInfo.setSplitCodePaths(null);
9648            pkg.applicationInfo.setResourcePath(getResourcePath());
9649            pkg.applicationInfo.setBaseResourcePath(getResourcePath());
9650            pkg.applicationInfo.setSplitResourcePaths(null);
9651
9652            return true;
9653        }
9654
9655        private void setCachePath(String newCachePath) {
9656            File cachePath = new File(newCachePath);
9657            legacyNativeLibraryDir = new File(cachePath, LIB_DIR_NAME).getPath();
9658            packagePath = new File(cachePath, RES_FILE_NAME).getPath();
9659
9660            if (isFwdLocked()) {
9661                resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath();
9662            } else {
9663                resourcePath = packagePath;
9664            }
9665        }
9666
9667        int doPostInstall(int status, int uid) {
9668            if (status != PackageManager.INSTALL_SUCCEEDED) {
9669                cleanUp();
9670            } else {
9671                final int groupOwner;
9672                final String protectedFile;
9673                if (isFwdLocked()) {
9674                    groupOwner = UserHandle.getSharedAppGid(uid);
9675                    protectedFile = RES_FILE_NAME;
9676                } else {
9677                    groupOwner = -1;
9678                    protectedFile = null;
9679                }
9680
9681                if (uid < Process.FIRST_APPLICATION_UID
9682                        || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) {
9683                    Slog.e(TAG, "Failed to finalize " + cid);
9684                    PackageHelper.destroySdDir(cid);
9685                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9686                }
9687
9688                boolean mounted = PackageHelper.isContainerMounted(cid);
9689                if (!mounted) {
9690                    PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid());
9691                }
9692            }
9693            return status;
9694        }
9695
9696        private void cleanUp() {
9697            if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp");
9698
9699            // Destroy secure container
9700            PackageHelper.destroySdDir(cid);
9701        }
9702
9703        void cleanUpResourcesLI() {
9704            String sourceFile = getCodePath();
9705            // Remove dex file
9706            if (instructionSets == null) {
9707                throw new IllegalStateException("instructionSet == null");
9708            }
9709            for (String instructionSet : instructionSets) {
9710                int retCode = mInstaller.rmdex(sourceFile, instructionSet);
9711                if (retCode < 0) {
9712                    Slog.w(TAG, "Couldn't remove dex file for package: "
9713                            + " at location "
9714                            + sourceFile.toString() + ", retcode=" + retCode);
9715                    // we don't consider this to be a failure of the core package deletion
9716                }
9717            }
9718            cleanUp();
9719        }
9720
9721        boolean matchContainer(String app) {
9722            if (cid.startsWith(app)) {
9723                return true;
9724            }
9725            return false;
9726        }
9727
9728        String getPackageName() {
9729            return getAsecPackageName(cid);
9730        }
9731
9732        boolean doPostDeleteLI(boolean delete) {
9733            boolean ret = false;
9734            boolean mounted = PackageHelper.isContainerMounted(cid);
9735            if (mounted) {
9736                // Unmount first
9737                ret = PackageHelper.unMountSdDir(cid);
9738            }
9739            if (ret && delete) {
9740                cleanUpResourcesLI();
9741            }
9742            return ret;
9743        }
9744
9745        @Override
9746        int doPreCopy() {
9747            if (isFwdLocked()) {
9748                if (!PackageHelper.fixSdPermissions(cid,
9749                        getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) {
9750                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9751                }
9752            }
9753
9754            return PackageManager.INSTALL_SUCCEEDED;
9755        }
9756
9757        @Override
9758        int doPostCopy(int uid) {
9759            if (isFwdLocked()) {
9760                if (uid < Process.FIRST_APPLICATION_UID
9761                        || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid),
9762                                RES_FILE_NAME)) {
9763                    Slog.e(TAG, "Failed to finalize " + cid);
9764                    PackageHelper.destroySdDir(cid);
9765                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9766                }
9767            }
9768
9769            return PackageManager.INSTALL_SUCCEEDED;
9770        }
9771    }
9772
9773    static String getAsecPackageName(String packageCid) {
9774        int idx = packageCid.lastIndexOf("-");
9775        if (idx == -1) {
9776            return packageCid;
9777        }
9778        return packageCid.substring(0, idx);
9779    }
9780
9781    // Utility method used to create code paths based on package name and available index.
9782    private static String getNextCodePath(String oldCodePath, String prefix, String suffix) {
9783        String idxStr = "";
9784        int idx = 1;
9785        // Fall back to default value of idx=1 if prefix is not
9786        // part of oldCodePath
9787        if (oldCodePath != null) {
9788            String subStr = oldCodePath;
9789            // Drop the suffix right away
9790            if (suffix != null && subStr.endsWith(suffix)) {
9791                subStr = subStr.substring(0, subStr.length() - suffix.length());
9792            }
9793            // If oldCodePath already contains prefix find out the
9794            // ending index to either increment or decrement.
9795            int sidx = subStr.lastIndexOf(prefix);
9796            if (sidx != -1) {
9797                subStr = subStr.substring(sidx + prefix.length());
9798                if (subStr != null) {
9799                    if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) {
9800                        subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length());
9801                    }
9802                    try {
9803                        idx = Integer.parseInt(subStr);
9804                        if (idx <= 1) {
9805                            idx++;
9806                        } else {
9807                            idx--;
9808                        }
9809                    } catch(NumberFormatException e) {
9810                    }
9811                }
9812            }
9813        }
9814        idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx);
9815        return prefix + idxStr;
9816    }
9817
9818    private File getNextCodePath(String packageName) {
9819        int suffix = 1;
9820        File result;
9821        do {
9822            result = new File(mAppInstallDir, packageName + "-" + suffix);
9823            suffix++;
9824        } while (result.exists());
9825        return result;
9826    }
9827
9828    // Utility method used to ignore ADD/REMOVE events
9829    // by directory observer.
9830    private static boolean ignoreCodePath(String fullPathStr) {
9831        String apkName = deriveCodePathName(fullPathStr);
9832        int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX);
9833        if (idx != -1 && ((idx+1) < apkName.length())) {
9834            // Make sure the package ends with a numeral
9835            String version = apkName.substring(idx+1);
9836            try {
9837                Integer.parseInt(version);
9838                return true;
9839            } catch (NumberFormatException e) {}
9840        }
9841        return false;
9842    }
9843
9844    // Utility method that returns the relative package path with respect
9845    // to the installation directory. Like say for /data/data/com.test-1.apk
9846    // string com.test-1 is returned.
9847    static String deriveCodePathName(String codePath) {
9848        if (codePath == null) {
9849            return null;
9850        }
9851        final File codeFile = new File(codePath);
9852        final String name = codeFile.getName();
9853        if (codeFile.isDirectory()) {
9854            return name;
9855        } else if (name.endsWith(".apk") || name.endsWith(".tmp")) {
9856            final int lastDot = name.lastIndexOf('.');
9857            return name.substring(0, lastDot);
9858        } else {
9859            Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK");
9860            return null;
9861        }
9862    }
9863
9864    class PackageInstalledInfo {
9865        String name;
9866        int uid;
9867        // The set of users that originally had this package installed.
9868        int[] origUsers;
9869        // The set of users that now have this package installed.
9870        int[] newUsers;
9871        PackageParser.Package pkg;
9872        int returnCode;
9873        String returnMsg;
9874        PackageRemovedInfo removedInfo;
9875
9876        public void setError(int code, String msg) {
9877            returnCode = code;
9878            returnMsg = msg;
9879            Slog.w(TAG, msg);
9880        }
9881
9882        // In some error cases we want to convey more info back to the observer
9883        String origPackage;
9884        String origPermission;
9885    }
9886
9887    /*
9888     * Install a non-existing package.
9889     */
9890    private void installNewPackageLI(PackageParser.Package pkg,
9891            int parseFlags, int scanMode, UserHandle user,
9892            String installerPackageName, PackageInstalledInfo res, String abiOverride) {
9893        // Remember this for later, in case we need to rollback this install
9894        String pkgName = pkg.packageName;
9895
9896        if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg);
9897        boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists();
9898        synchronized(mPackages) {
9899            if (mSettings.mRenamedPackages.containsKey(pkgName)) {
9900                // A package with the same name is already installed, though
9901                // it has been renamed to an older name.  The package we
9902                // are trying to install should be installed as an update to
9903                // the existing one, but that has not been requested, so bail.
9904                res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
9905                        + " without first uninstalling package running as "
9906                        + mSettings.mRenamedPackages.get(pkgName));
9907                return;
9908            }
9909            if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) {
9910                // Don't allow installation over an existing package with the same name.
9911                res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
9912                        + " without first uninstalling.");
9913                return;
9914            }
9915        }
9916
9917        try {
9918            PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode,
9919                    System.currentTimeMillis(), user, abiOverride);
9920
9921            updateSettingsLI(newPackage, installerPackageName, null, null, res);
9922            // delete the partially installed application. the data directory will have to be
9923            // restored if it was already existing
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                deletePackageLI(pkgName, UserHandle.ALL, false, null, null,
9930                        dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0,
9931                                res.removedInfo, true);
9932            }
9933
9934        } catch (PackageManagerException e) {
9935            res.setError(e.error,
9936                    "Package couldn't be installed in " + pkg.codePath + ": " + e.getMessage());
9937        }
9938    }
9939
9940    private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) {
9941        // Upgrade keysets are being used.  Determine if new package has a superset of the
9942        // required keys.
9943        long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets();
9944        KeySetManagerService ksms = mSettings.mKeySetManagerService;
9945        for (int i = 0; i < upgradeKeySets.length; i++) {
9946            Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]);
9947            if (newPkg.mSigningKeys.containsAll(upgradeSet)) {
9948                return true;
9949            }
9950        }
9951        return false;
9952    }
9953
9954    private void replacePackageLI(PackageParser.Package pkg,
9955            int parseFlags, int scanMode, UserHandle user,
9956            String installerPackageName, PackageInstalledInfo res, String abiOverride) {
9957        PackageParser.Package oldPackage;
9958        String pkgName = pkg.packageName;
9959        int[] allUsers;
9960        boolean[] perUserInstalled;
9961
9962        // First find the old package info and check signatures
9963        synchronized(mPackages) {
9964            oldPackage = mPackages.get(pkgName);
9965            if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage);
9966            PackageSetting ps = mSettings.mPackages.get(pkgName);
9967            if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) {
9968                // default to original signature matching
9969                if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures)
9970                    != PackageManager.SIGNATURE_MATCH) {
9971                    res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES,
9972                            "New package has a different signature: " + pkgName);
9973                    return;
9974                }
9975            } else {
9976                if(!checkUpgradeKeySetLP(ps, pkg)) {
9977                    res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES,
9978                            "New package not signed by keys specified by upgrade-keysets: "
9979                            + pkgName);
9980                    return;
9981                }
9982            }
9983
9984            // In case of rollback, remember per-user/profile install state
9985            allUsers = sUserManager.getUserIds();
9986            perUserInstalled = new boolean[allUsers.length];
9987            for (int i = 0; i < allUsers.length; i++) {
9988                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
9989            }
9990        }
9991        boolean sysPkg = (isSystemApp(oldPackage));
9992        if (sysPkg) {
9993            replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode,
9994                    user, allUsers, perUserInstalled, installerPackageName, res,
9995                    abiOverride);
9996        } else {
9997            replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode,
9998                    user, allUsers, perUserInstalled, installerPackageName, res,
9999                    abiOverride);
10000        }
10001    }
10002
10003    private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage,
10004            PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user,
10005            int[] allUsers, boolean[] perUserInstalled,
10006            String installerPackageName, PackageInstalledInfo res, String abiOverride) {
10007        String pkgName = deletedPackage.packageName;
10008        boolean deletedPkg = true;
10009        boolean updatedSettings = false;
10010
10011        if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old="
10012                + deletedPackage);
10013        long origUpdateTime;
10014        if (pkg.mExtras != null) {
10015            origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime;
10016        } else {
10017            origUpdateTime = 0;
10018        }
10019
10020        // First delete the existing package while retaining the data directory
10021        if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA,
10022                res.removedInfo, true)) {
10023            // If the existing package wasn't successfully deleted
10024            res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI");
10025            deletedPkg = false;
10026        } else {
10027            // Successfully deleted the old package. Now proceed with re-installation
10028            try {
10029                final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags,
10030                        scanMode | SCAN_UPDATE_TIME, System.currentTimeMillis(), user, abiOverride);
10031                updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res);
10032                updatedSettings = true;
10033            } catch (PackageManagerException e) {
10034                res.setError(e.error,
10035                        "Package couldn't be installed in " + pkg.codePath + ": " + e.getMessage());
10036            }
10037        }
10038
10039        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
10040            // remove package from internal structures.  Note that we want deletePackageX to
10041            // delete the package data and cache directories that it created in
10042            // scanPackageLocked, unless those directories existed before we even tried to
10043            // install.
10044            if(updatedSettings) {
10045                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName);
10046                deletePackageLI(
10047                        pkgName, null, true, allUsers, perUserInstalled,
10048                        PackageManager.DELETE_KEEP_DATA,
10049                                res.removedInfo, true);
10050            }
10051            // Since we failed to install the new package we need to restore the old
10052            // package that we deleted.
10053            if (deletedPkg) {
10054                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage);
10055                File restoreFile = new File(deletedPackage.codePath);
10056                // Parse old package
10057                boolean oldOnSd = isExternal(deletedPackage);
10058                int oldParseFlags  = mDefParseFlags | PackageParser.PARSE_CHATTY |
10059                        (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) |
10060                        (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0);
10061                int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE
10062                        | SCAN_UPDATE_TIME;
10063                try {
10064                    scanPackageLI(restoreFile, oldParseFlags, oldScanMode, origUpdateTime, null,
10065                            null);
10066                } catch (PackageManagerException e) {
10067                    Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: "
10068                            + e.getMessage());
10069                    return;
10070                }
10071                // Restore of old package succeeded. Update permissions.
10072                // writer
10073                synchronized (mPackages) {
10074                    updatePermissionsLPw(deletedPackage.packageName, deletedPackage,
10075                            UPDATE_PERMISSIONS_ALL);
10076                    // can downgrade to reader
10077                    mSettings.writeLPr();
10078                }
10079                Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade");
10080            }
10081        }
10082    }
10083
10084    private void replaceSystemPackageLI(PackageParser.Package deletedPackage,
10085            PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user,
10086            int[] allUsers, boolean[] perUserInstalled,
10087            String installerPackageName, PackageInstalledInfo res, String abiOverride) {
10088        if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg
10089                + ", old=" + deletedPackage);
10090        boolean updatedSettings = false;
10091        parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING |
10092                PackageParser.PARSE_IS_SYSTEM;
10093        if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) {
10094            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
10095        }
10096        String packageName = deletedPackage.packageName;
10097        if (packageName == null) {
10098            res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
10099                    "Attempt to delete null packageName.");
10100            return;
10101        }
10102        PackageParser.Package oldPkg;
10103        PackageSetting oldPkgSetting;
10104        // reader
10105        synchronized (mPackages) {
10106            oldPkg = mPackages.get(packageName);
10107            oldPkgSetting = mSettings.mPackages.get(packageName);
10108            if((oldPkg == null) || (oldPkg.applicationInfo == null) ||
10109                    (oldPkgSetting == null)) {
10110                res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
10111                        "Couldn't find package:" + packageName + " information");
10112                return;
10113            }
10114        }
10115
10116        killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg");
10117
10118        res.removedInfo.uid = oldPkg.applicationInfo.uid;
10119        res.removedInfo.removedPackage = packageName;
10120        // Remove existing system package
10121        removePackageLI(oldPkgSetting, true);
10122        // writer
10123        synchronized (mPackages) {
10124            if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) {
10125                // We didn't need to disable the .apk as a current system package,
10126                // which means we are replacing another update that is already
10127                // installed.  We need to make sure to delete the older one's .apk.
10128                res.removedInfo.args = createInstallArgsForExisting(0,
10129                        deletedPackage.applicationInfo.getCodePath(),
10130                        deletedPackage.applicationInfo.getResourcePath(),
10131                        deletedPackage.applicationInfo.nativeLibraryRootDir,
10132                        getAppDexInstructionSets(deletedPackage.applicationInfo),
10133                        isMultiArch(deletedPackage.applicationInfo));
10134            } else {
10135                res.removedInfo.args = null;
10136            }
10137        }
10138
10139        // Successfully disabled the old package. Now proceed with re-installation
10140        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
10141        pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
10142
10143        PackageParser.Package newPackage = null;
10144        try {
10145            newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride);
10146            if (newPackage.mExtras != null) {
10147                final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras;
10148                newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime;
10149                newPkgSetting.lastUpdateTime = System.currentTimeMillis();
10150
10151                // is the update attempting to change shared user? that isn't going to work...
10152                if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) {
10153                    res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
10154                            "Forbidding shared user change from " + oldPkgSetting.sharedUser
10155                            + " to " + newPkgSetting.sharedUser);
10156                    updatedSettings = true;
10157                }
10158            }
10159
10160            if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
10161                updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res);
10162                updatedSettings = true;
10163            }
10164
10165        } catch (PackageManagerException e) {
10166            res.setError(e.error,
10167                    "Package couldn't be installed in " + pkg.codePath + ": " + e.getMessage());
10168        }
10169
10170        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
10171            // Re installation failed. Restore old information
10172            // Remove new pkg information
10173            if (newPackage != null) {
10174                removeInstalledPackageLI(newPackage, true);
10175            }
10176            // Add back the old system package
10177            try {
10178                scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user,
10179                        null);
10180            } catch (PackageManagerException e) {
10181                Slog.e(TAG, "Failed to restore original package: " + e.getMessage());
10182            }
10183            // Restore the old system information in Settings
10184            synchronized(mPackages) {
10185                if (updatedSettings) {
10186                    mSettings.enableSystemPackageLPw(packageName);
10187                    mSettings.setInstallerPackageName(packageName,
10188                            oldPkgSetting.installerPackageName);
10189                }
10190                mSettings.writeLPr();
10191            }
10192        }
10193    }
10194
10195    // Utility method used to move dex files during install.
10196    private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) {
10197        // TODO: extend to move split APK dex files
10198        if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) {
10199            final String[] instructionSets = getAppDexInstructionSets(newPackage.applicationInfo);
10200            for (String instructionSet : instructionSets) {
10201                int retCode = mInstaller.movedex(oldCodePath, newPackage.baseCodePath,
10202                        instructionSet);
10203                if (retCode != 0) {
10204                /*
10205                 * Programs may be lazily run through dexopt, so the
10206                 * source may not exist. However, something seems to
10207                 * have gone wrong, so note that dexopt needs to be
10208                 * run again and remove the source file. In addition,
10209                 * remove the target to make sure there isn't a stale
10210                 * file from a previous version of the package.
10211                 */
10212                    newPackage.mDexOptNeeded = true;
10213                    mInstaller.rmdex(oldCodePath, instructionSet);
10214                    mInstaller.rmdex(newPackage.baseCodePath, instructionSet);
10215                }
10216            }
10217        }
10218        return PackageManager.INSTALL_SUCCEEDED;
10219    }
10220
10221    private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName,
10222            int[] allUsers, boolean[] perUserInstalled,
10223            PackageInstalledInfo res) {
10224        String pkgName = newPackage.packageName;
10225        synchronized (mPackages) {
10226            //write settings. the installStatus will be incomplete at this stage.
10227            //note that the new package setting would have already been
10228            //added to mPackages. It hasn't been persisted yet.
10229            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE);
10230            mSettings.writeLPr();
10231        }
10232
10233        if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath);
10234
10235        synchronized (mPackages) {
10236            updatePermissionsLPw(newPackage.packageName, newPackage,
10237                    UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0
10238                            ? UPDATE_PERMISSIONS_ALL : 0));
10239            // For system-bundled packages, we assume that installing an upgraded version
10240            // of the package implies that the user actually wants to run that new code,
10241            // so we enable the package.
10242            if (isSystemApp(newPackage)) {
10243                // NB: implicit assumption that system package upgrades apply to all users
10244                if (DEBUG_INSTALL) {
10245                    Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName);
10246                }
10247                PackageSetting ps = mSettings.mPackages.get(pkgName);
10248                if (ps != null) {
10249                    if (res.origUsers != null) {
10250                        for (int userHandle : res.origUsers) {
10251                            ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT,
10252                                    userHandle, installerPackageName);
10253                        }
10254                    }
10255                    // Also convey the prior install/uninstall state
10256                    if (allUsers != null && perUserInstalled != null) {
10257                        for (int i = 0; i < allUsers.length; i++) {
10258                            if (DEBUG_INSTALL) {
10259                                Slog.d(TAG, "    user " + allUsers[i]
10260                                        + " => " + perUserInstalled[i]);
10261                            }
10262                            ps.setInstalled(perUserInstalled[i], allUsers[i]);
10263                        }
10264                        // these install state changes will be persisted in the
10265                        // upcoming call to mSettings.writeLPr().
10266                    }
10267                }
10268            }
10269            res.name = pkgName;
10270            res.uid = newPackage.applicationInfo.uid;
10271            res.pkg = newPackage;
10272            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE);
10273            mSettings.setInstallerPackageName(pkgName, installerPackageName);
10274            res.returnCode = PackageManager.INSTALL_SUCCEEDED;
10275            //to update install status
10276            mSettings.writeLPr();
10277        }
10278    }
10279
10280    private void installPackageLI(InstallArgs args, boolean newInstall, PackageInstalledInfo res) {
10281        int pFlags = args.flags;
10282        String installerPackageName = args.installerPackageName;
10283        File tmpPackageFile = new File(args.getCodePath());
10284        boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0);
10285        boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0);
10286        boolean replace = false;
10287        int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE
10288                | (newInstall ? SCAN_NEW_INSTALL : 0);
10289        // Result object to be returned
10290        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
10291
10292        if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile);
10293        // Retrieve PackageSettings and parse package
10294        int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY
10295                | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0)
10296                | (onSd ? PackageParser.PARSE_ON_SDCARD : 0);
10297        PackageParser pp = new PackageParser();
10298        pp.setSeparateProcesses(mSeparateProcesses);
10299        pp.setDisplayMetrics(mMetrics);
10300
10301        final PackageParser.Package pkg;
10302        try {
10303            pkg = pp.parsePackage(tmpPackageFile, parseFlags);
10304        } catch (PackageParserException e) {
10305            res.setError(e.error, "Failed parse during installPackageLI: " + e.getMessage());
10306            return;
10307        }
10308
10309        String pkgName = res.name = pkg.packageName;
10310        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) {
10311            if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) {
10312                res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI");
10313                return;
10314            }
10315        }
10316
10317        try {
10318            pp.collectCertificates(pkg, parseFlags);
10319            pp.collectManifestDigest(pkg);
10320        } catch (PackageParserException e) {
10321            res.setError(e.error, "Failed collect during installPackageLI: " + e.getMessage());
10322            return;
10323        }
10324
10325        /* If the installer passed in a manifest digest, compare it now. */
10326        if (args.manifestDigest != null) {
10327            if (DEBUG_INSTALL) {
10328                final String parsedManifest = pkg.manifestDigest == null ? "null"
10329                        : pkg.manifestDigest.toString();
10330                Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. "
10331                        + parsedManifest);
10332            }
10333
10334            if (!args.manifestDigest.equals(pkg.manifestDigest)) {
10335                res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed");
10336                return;
10337            }
10338        } else if (DEBUG_INSTALL) {
10339            final String parsedManifest = pkg.manifestDigest == null
10340                    ? "null" : pkg.manifestDigest.toString();
10341            Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest);
10342        }
10343
10344        // Get rid of all references to package scan path via parser.
10345        pp = null;
10346        String oldCodePath = null;
10347        boolean systemApp = false;
10348        synchronized (mPackages) {
10349            // Check whether the newly-scanned package wants to define an already-defined perm
10350            int N = pkg.permissions.size();
10351            for (int i = N-1; i >= 0; i--) {
10352                PackageParser.Permission perm = pkg.permissions.get(i);
10353                BasePermission bp = mSettings.mPermissions.get(perm.info.name);
10354                if (bp != null) {
10355                    // If the defining package is signed with our cert, it's okay.  This
10356                    // also includes the "updating the same package" case, of course.
10357                    if (compareSignatures(bp.packageSetting.signatures.mSignatures,
10358                            pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
10359                        // If the owning package is the system itself, we log but allow
10360                        // install to proceed; we fail the install on all other permission
10361                        // redefinitions.
10362                        if (!bp.sourcePackage.equals("android")) {
10363                            res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package "
10364                                    + pkg.packageName + " attempting to redeclare permission "
10365                                    + perm.info.name + " already owned by " + bp.sourcePackage);
10366                            res.origPermission = perm.info.name;
10367                            res.origPackage = bp.sourcePackage;
10368                            return;
10369                        } else {
10370                            Slog.w(TAG, "Package " + pkg.packageName
10371                                    + " attempting to redeclare system permission "
10372                                    + perm.info.name + "; ignoring new declaration");
10373                            pkg.permissions.remove(i);
10374                        }
10375                    }
10376                }
10377            }
10378
10379            // Check if installing already existing package
10380            if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
10381                String oldName = mSettings.mRenamedPackages.get(pkgName);
10382                if (pkg.mOriginalPackages != null
10383                        && pkg.mOriginalPackages.contains(oldName)
10384                        && mPackages.containsKey(oldName)) {
10385                    // This package is derived from an original package,
10386                    // and this device has been updating from that original
10387                    // name.  We must continue using the original name, so
10388                    // rename the new package here.
10389                    pkg.setPackageName(oldName);
10390                    pkgName = pkg.packageName;
10391                    replace = true;
10392                    if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName="
10393                            + oldName + " pkgName=" + pkgName);
10394                } else if (mPackages.containsKey(pkgName)) {
10395                    // This package, under its official name, already exists
10396                    // on the device; we should replace it.
10397                    replace = true;
10398                    if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName);
10399                }
10400            }
10401            PackageSetting ps = mSettings.mPackages.get(pkgName);
10402            if (ps != null) {
10403                if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps);
10404                oldCodePath = mSettings.mPackages.get(pkgName).codePathString;
10405                if (ps.pkg != null && ps.pkg.applicationInfo != null) {
10406                    systemApp = (ps.pkg.applicationInfo.flags &
10407                            ApplicationInfo.FLAG_SYSTEM) != 0;
10408                }
10409                res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
10410            }
10411        }
10412
10413        if (systemApp && onSd) {
10414            // Disable updates to system apps on sdcard
10415            res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION,
10416                    "Cannot install updates to system apps on sdcard");
10417            return;
10418        }
10419
10420        if (!args.doRename(res.returnCode, pkg, oldCodePath)) {
10421            res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename");
10422            return;
10423        }
10424
10425        if (replace) {
10426            replacePackageLI(pkg, parseFlags, scanMode, args.user,
10427                    installerPackageName, res, args.abiOverride);
10428        } else {
10429            installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user,
10430                    installerPackageName, res, args.abiOverride);
10431        }
10432        synchronized (mPackages) {
10433            final PackageSetting ps = mSettings.mPackages.get(pkgName);
10434            if (ps != null) {
10435                res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
10436            }
10437        }
10438    }
10439
10440    private static boolean isForwardLocked(PackageParser.Package pkg) {
10441        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0;
10442    }
10443
10444    private static boolean isForwardLocked(ApplicationInfo info) {
10445        return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0;
10446    }
10447
10448    private boolean isForwardLocked(PackageSetting ps) {
10449        return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0;
10450    }
10451
10452    private static boolean isMultiArch(PackageSetting ps) {
10453        return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0;
10454    }
10455
10456    private static boolean isMultiArch(ApplicationInfo info) {
10457        return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0;
10458    }
10459
10460    private static boolean isExternal(PackageParser.Package pkg) {
10461        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
10462    }
10463
10464    private static boolean isExternal(PackageSetting ps) {
10465        return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
10466    }
10467
10468    private static boolean isExternal(ApplicationInfo info) {
10469        return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
10470    }
10471
10472    private static boolean isSystemApp(PackageParser.Package pkg) {
10473        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
10474    }
10475
10476    private static boolean isPrivilegedApp(PackageParser.Package pkg) {
10477        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0;
10478    }
10479
10480    private static boolean isSystemApp(ApplicationInfo info) {
10481        return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
10482    }
10483
10484    private static boolean isSystemApp(PackageSetting ps) {
10485        return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0;
10486    }
10487
10488    private static boolean isUpdatedSystemApp(PackageSetting ps) {
10489        return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
10490    }
10491
10492    private static boolean isUpdatedSystemApp(PackageParser.Package pkg) {
10493        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
10494    }
10495
10496    private static boolean isUpdatedSystemApp(ApplicationInfo info) {
10497        return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
10498    }
10499
10500    private int packageFlagsToInstallFlags(PackageSetting ps) {
10501        int installFlags = 0;
10502        if (isExternal(ps)) {
10503            installFlags |= PackageManager.INSTALL_EXTERNAL;
10504        }
10505        if (isForwardLocked(ps)) {
10506            installFlags |= PackageManager.INSTALL_FORWARD_LOCK;
10507        }
10508        return installFlags;
10509    }
10510
10511    private void deleteTempPackageFiles() {
10512        final FilenameFilter filter = new FilenameFilter() {
10513            public boolean accept(File dir, String name) {
10514                return name.startsWith("vmdl") && name.endsWith(".tmp");
10515            }
10516        };
10517        for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) {
10518            file.delete();
10519        }
10520    }
10521
10522    @Override
10523    public void deletePackageAsUser(final String packageName,
10524                                    final IPackageDeleteObserver observer,
10525                                    final int userId, final int flags) {
10526        mContext.enforceCallingOrSelfPermission(
10527                android.Manifest.permission.DELETE_PACKAGES, null);
10528        final int uid = Binder.getCallingUid();
10529        if (UserHandle.getUserId(uid) != userId) {
10530            mContext.enforceCallingPermission(
10531                    android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
10532                    "deletePackage for user " + userId);
10533        }
10534        if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) {
10535            try {
10536                observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED);
10537            } catch (RemoteException re) {
10538            }
10539            return;
10540        }
10541
10542        boolean blocked = false;
10543        if ((flags & PackageManager.DELETE_ALL_USERS) != 0) {
10544            int[] users = sUserManager.getUserIds();
10545            for (int i = 0; i < users.length; ++i) {
10546                if (getBlockUninstallForUser(packageName, users[i])) {
10547                    blocked = true;
10548                    break;
10549                }
10550            }
10551        } else {
10552            blocked = getBlockUninstallForUser(packageName, userId);
10553        }
10554        if (blocked) {
10555            try {
10556                observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED);
10557            } catch (RemoteException re) {
10558            }
10559            return;
10560        }
10561
10562        if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId);
10563        // Queue up an async operation since the package deletion may take a little while.
10564        mHandler.post(new Runnable() {
10565            public void run() {
10566                mHandler.removeCallbacks(this);
10567                final int returnCode = deletePackageX(packageName, userId, flags);
10568                if (observer != null) {
10569                    try {
10570                        observer.packageDeleted(packageName, returnCode);
10571                    } catch (RemoteException e) {
10572                        Log.i(TAG, "Observer no longer exists.");
10573                    } //end catch
10574                } //end if
10575            } //end run
10576        });
10577    }
10578
10579    private boolean isPackageDeviceAdmin(String packageName, int userId) {
10580        IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface(
10581                ServiceManager.getService(Context.DEVICE_POLICY_SERVICE));
10582        try {
10583            if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId)
10584                    || dpm.isDeviceOwner(packageName))) {
10585                return true;
10586            }
10587        } catch (RemoteException e) {
10588        }
10589        return false;
10590    }
10591
10592    /**
10593     *  This method is an internal method that could be get invoked either
10594     *  to delete an installed package or to clean up a failed installation.
10595     *  After deleting an installed package, a broadcast is sent to notify any
10596     *  listeners that the package has been installed. For cleaning up a failed
10597     *  installation, the broadcast is not necessary since the package's
10598     *  installation wouldn't have sent the initial broadcast either
10599     *  The key steps in deleting a package are
10600     *  deleting the package information in internal structures like mPackages,
10601     *  deleting the packages base directories through installd
10602     *  updating mSettings to reflect current status
10603     *  persisting settings for later use
10604     *  sending a broadcast if necessary
10605     */
10606    private int deletePackageX(String packageName, int userId, int flags) {
10607        final PackageRemovedInfo info = new PackageRemovedInfo();
10608        final boolean res;
10609
10610        if (isPackageDeviceAdmin(packageName, userId)) {
10611            Slog.w(TAG, "Not removing package " + packageName + ": has active device admin");
10612            return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER;
10613        }
10614
10615        boolean removedForAllUsers = false;
10616        boolean systemUpdate = false;
10617
10618        // for the uninstall-updates case and restricted profiles, remember the per-
10619        // userhandle installed state
10620        int[] allUsers;
10621        boolean[] perUserInstalled;
10622        synchronized (mPackages) {
10623            PackageSetting ps = mSettings.mPackages.get(packageName);
10624            allUsers = sUserManager.getUserIds();
10625            perUserInstalled = new boolean[allUsers.length];
10626            for (int i = 0; i < allUsers.length; i++) {
10627                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
10628            }
10629        }
10630
10631        synchronized (mInstallLock) {
10632            if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId);
10633            res = deletePackageLI(packageName,
10634                    (flags & PackageManager.DELETE_ALL_USERS) != 0
10635                            ? UserHandle.ALL : new UserHandle(userId),
10636                    true, allUsers, perUserInstalled,
10637                    flags | REMOVE_CHATTY, info, true);
10638            systemUpdate = info.isRemovedPackageSystemUpdate;
10639            if (res && !systemUpdate && mPackages.get(packageName) == null) {
10640                removedForAllUsers = true;
10641            }
10642            if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate
10643                    + " removedForAllUsers=" + removedForAllUsers);
10644        }
10645
10646        if (res) {
10647            info.sendBroadcast(true, systemUpdate, removedForAllUsers);
10648
10649            // If the removed package was a system update, the old system package
10650            // was re-enabled; we need to broadcast this information
10651            if (systemUpdate) {
10652                Bundle extras = new Bundle(1);
10653                extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0
10654                        ? info.removedAppId : info.uid);
10655                extras.putBoolean(Intent.EXTRA_REPLACING, true);
10656
10657                sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName,
10658                        extras, null, null, null);
10659                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName,
10660                        extras, null, null, null);
10661                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null,
10662                        null, packageName, null, null);
10663            }
10664        }
10665        // Force a gc here.
10666        Runtime.getRuntime().gc();
10667        // Delete the resources here after sending the broadcast to let
10668        // other processes clean up before deleting resources.
10669        if (info.args != null) {
10670            synchronized (mInstallLock) {
10671                info.args.doPostDeleteLI(true);
10672            }
10673        }
10674
10675        return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR;
10676    }
10677
10678    static class PackageRemovedInfo {
10679        String removedPackage;
10680        int uid = -1;
10681        int removedAppId = -1;
10682        int[] removedUsers = null;
10683        boolean isRemovedPackageSystemUpdate = false;
10684        // Clean up resources deleted packages.
10685        InstallArgs args = null;
10686
10687        void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) {
10688            Bundle extras = new Bundle(1);
10689            extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid);
10690            extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove);
10691            if (replacing) {
10692                extras.putBoolean(Intent.EXTRA_REPLACING, true);
10693            }
10694            extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers);
10695            if (removedPackage != null) {
10696                sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
10697                        extras, null, null, removedUsers);
10698                if (fullRemove && !replacing) {
10699                    sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage,
10700                            extras, null, null, removedUsers);
10701                }
10702            }
10703            if (removedAppId >= 0) {
10704                sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null,
10705                        removedUsers);
10706            }
10707        }
10708    }
10709
10710    /*
10711     * This method deletes the package from internal data structures. If the DONT_DELETE_DATA
10712     * flag is not set, the data directory is removed as well.
10713     * make sure this flag is set for partially installed apps. If not its meaningless to
10714     * delete a partially installed application.
10715     */
10716    private void removePackageDataLI(PackageSetting ps,
10717            int[] allUserHandles, boolean[] perUserInstalled,
10718            PackageRemovedInfo outInfo, int flags, boolean writeSettings) {
10719        String packageName = ps.name;
10720        if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps);
10721        removePackageLI(ps, (flags&REMOVE_CHATTY) != 0);
10722        // Retrieve object to delete permissions for shared user later on
10723        final PackageSetting deletedPs;
10724        // reader
10725        synchronized (mPackages) {
10726            deletedPs = mSettings.mPackages.get(packageName);
10727            if (outInfo != null) {
10728                outInfo.removedPackage = packageName;
10729                outInfo.removedUsers = deletedPs != null
10730                        ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true)
10731                        : null;
10732            }
10733        }
10734        if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
10735            removeDataDirsLI(packageName);
10736            schedulePackageCleaning(packageName, UserHandle.USER_ALL, true);
10737        }
10738        // writer
10739        synchronized (mPackages) {
10740            if (deletedPs != null) {
10741                if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
10742                    if (outInfo != null) {
10743                        mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName);
10744                        outInfo.removedAppId = mSettings.removePackageLPw(packageName);
10745                    }
10746                    if (deletedPs != null) {
10747                        updatePermissionsLPw(deletedPs.name, null, 0);
10748                        if (deletedPs.sharedUser != null) {
10749                            // remove permissions associated with package
10750                            mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids);
10751                        }
10752                    }
10753                    clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL);
10754                }
10755                // make sure to preserve per-user disabled state if this removal was just
10756                // a downgrade of a system app to the factory package
10757                if (allUserHandles != null && perUserInstalled != null) {
10758                    if (DEBUG_REMOVE) {
10759                        Slog.d(TAG, "Propagating install state across downgrade");
10760                    }
10761                    for (int i = 0; i < allUserHandles.length; i++) {
10762                        if (DEBUG_REMOVE) {
10763                            Slog.d(TAG, "    user " + allUserHandles[i]
10764                                    + " => " + perUserInstalled[i]);
10765                        }
10766                        ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
10767                    }
10768                }
10769            }
10770            // can downgrade to reader
10771            if (writeSettings) {
10772                // Save settings now
10773                mSettings.writeLPr();
10774            }
10775        }
10776        if (outInfo != null) {
10777            // A user ID was deleted here. Go through all users and remove it
10778            // from KeyStore.
10779            removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId);
10780        }
10781    }
10782
10783    static boolean locationIsPrivileged(File path) {
10784        try {
10785            final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app")
10786                    .getCanonicalPath();
10787            return path.getCanonicalPath().startsWith(privilegedAppDir);
10788        } catch (IOException e) {
10789            Slog.e(TAG, "Unable to access code path " + path);
10790        }
10791        return false;
10792    }
10793
10794    /*
10795     * Tries to delete system package.
10796     */
10797    private boolean deleteSystemPackageLI(PackageSetting newPs,
10798            int[] allUserHandles, boolean[] perUserInstalled,
10799            int flags, PackageRemovedInfo outInfo, boolean writeSettings) {
10800        final boolean applyUserRestrictions
10801                = (allUserHandles != null) && (perUserInstalled != null);
10802        PackageSetting disabledPs = null;
10803        // Confirm if the system package has been updated
10804        // An updated system app can be deleted. This will also have to restore
10805        // the system pkg from system partition
10806        // reader
10807        synchronized (mPackages) {
10808            disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name);
10809        }
10810        if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs
10811                + " disabledPs=" + disabledPs);
10812        if (disabledPs == null) {
10813            Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name);
10814            return false;
10815        } else if (DEBUG_REMOVE) {
10816            Slog.d(TAG, "Deleting system pkg from data partition");
10817        }
10818        if (DEBUG_REMOVE) {
10819            if (applyUserRestrictions) {
10820                Slog.d(TAG, "Remembering install states:");
10821                for (int i = 0; i < allUserHandles.length; i++) {
10822                    Slog.d(TAG, "   u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]);
10823                }
10824            }
10825        }
10826        // Delete the updated package
10827        outInfo.isRemovedPackageSystemUpdate = true;
10828        if (disabledPs.versionCode < newPs.versionCode) {
10829            // Delete data for downgrades
10830            flags &= ~PackageManager.DELETE_KEEP_DATA;
10831        } else {
10832            // Preserve data by setting flag
10833            flags |= PackageManager.DELETE_KEEP_DATA;
10834        }
10835        boolean ret = deleteInstalledPackageLI(newPs, true, flags,
10836                allUserHandles, perUserInstalled, outInfo, writeSettings);
10837        if (!ret) {
10838            return false;
10839        }
10840        // writer
10841        synchronized (mPackages) {
10842            // Reinstate the old system package
10843            mSettings.enableSystemPackageLPw(newPs.name);
10844            // Remove any native libraries from the upgraded package.
10845            NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString);
10846        }
10847        // Install the system package
10848        if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs);
10849        int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM;
10850        if (locationIsPrivileged(disabledPs.codePath)) {
10851            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
10852        }
10853
10854        final PackageParser.Package newPkg;
10855        try {
10856            newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0,
10857                    null, null);
10858        } catch (PackageManagerException e) {
10859            Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage());
10860            return false;
10861        }
10862
10863        // writer
10864        synchronized (mPackages) {
10865            PackageSetting ps = mSettings.mPackages.get(newPkg.packageName);
10866            setBundledAppAbisAndRoots(newPkg, ps);
10867            updatePermissionsLPw(newPkg.packageName, newPkg,
10868                    UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG);
10869            if (applyUserRestrictions) {
10870                if (DEBUG_REMOVE) {
10871                    Slog.d(TAG, "Propagating install state across reinstall");
10872                }
10873                for (int i = 0; i < allUserHandles.length; i++) {
10874                    if (DEBUG_REMOVE) {
10875                        Slog.d(TAG, "    user " + allUserHandles[i]
10876                                + " => " + perUserInstalled[i]);
10877                    }
10878                    ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
10879                }
10880                // Regardless of writeSettings we need to ensure that this restriction
10881                // state propagation is persisted
10882                mSettings.writeAllUsersPackageRestrictionsLPr();
10883            }
10884            // can downgrade to reader here
10885            if (writeSettings) {
10886                mSettings.writeLPr();
10887            }
10888        }
10889        return true;
10890    }
10891
10892    private boolean deleteInstalledPackageLI(PackageSetting ps,
10893            boolean deleteCodeAndResources, int flags,
10894            int[] allUserHandles, boolean[] perUserInstalled,
10895            PackageRemovedInfo outInfo, boolean writeSettings) {
10896        if (outInfo != null) {
10897            outInfo.uid = ps.appId;
10898        }
10899
10900        // Delete package data from internal structures and also remove data if flag is set
10901        removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings);
10902
10903        // Delete application code and resources
10904        if (deleteCodeAndResources && (outInfo != null)) {
10905            outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
10906                    ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
10907                    getAppDexInstructionSets(ps), isMultiArch(ps));
10908        }
10909        return true;
10910    }
10911
10912    @Override
10913    public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall,
10914            int userId) {
10915        mContext.enforceCallingOrSelfPermission(
10916                android.Manifest.permission.DELETE_PACKAGES, null);
10917        synchronized (mPackages) {
10918            PackageSetting ps = mSettings.mPackages.get(packageName);
10919            if (ps == null) {
10920                Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName);
10921                return false;
10922            }
10923            if (!ps.getInstalled(userId)) {
10924                // Can't block uninstall for an app that is not installed or enabled.
10925                Log.i(TAG, "Package not installed in set block uninstall " + packageName);
10926                return false;
10927            }
10928            ps.setBlockUninstall(blockUninstall, userId);
10929            mSettings.writePackageRestrictionsLPr(userId);
10930        }
10931        return true;
10932    }
10933
10934    @Override
10935    public boolean getBlockUninstallForUser(String packageName, int userId) {
10936        synchronized (mPackages) {
10937            PackageSetting ps = mSettings.mPackages.get(packageName);
10938            if (ps == null) {
10939                Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName);
10940                return false;
10941            }
10942            return ps.getBlockUninstall(userId);
10943        }
10944    }
10945
10946    /*
10947     * This method handles package deletion in general
10948     */
10949    private boolean deletePackageLI(String packageName, UserHandle user,
10950            boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled,
10951            int flags, PackageRemovedInfo outInfo,
10952            boolean writeSettings) {
10953        if (packageName == null) {
10954            Slog.w(TAG, "Attempt to delete null packageName.");
10955            return false;
10956        }
10957        if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user);
10958        PackageSetting ps;
10959        boolean dataOnly = false;
10960        int removeUser = -1;
10961        int appId = -1;
10962        synchronized (mPackages) {
10963            ps = mSettings.mPackages.get(packageName);
10964            if (ps == null) {
10965                Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
10966                return false;
10967            }
10968            if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null
10969                    && user.getIdentifier() != UserHandle.USER_ALL) {
10970                // The caller is asking that the package only be deleted for a single
10971                // user.  To do this, we just mark its uninstalled state and delete
10972                // its data.  If this is a system app, we only allow this to happen if
10973                // they have set the special DELETE_SYSTEM_APP which requests different
10974                // semantics than normal for uninstalling system apps.
10975                if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user");
10976                ps.setUserState(user.getIdentifier(),
10977                        COMPONENT_ENABLED_STATE_DEFAULT,
10978                        false, //installed
10979                        true,  //stopped
10980                        true,  //notLaunched
10981                        false, //blocked
10982                        null, null, null,
10983                        false // blockUninstall
10984                        );
10985                if (!isSystemApp(ps)) {
10986                    if (ps.isAnyInstalled(sUserManager.getUserIds())) {
10987                        // Other user still have this package installed, so all
10988                        // we need to do is clear this user's data and save that
10989                        // it is uninstalled.
10990                        if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users");
10991                        removeUser = user.getIdentifier();
10992                        appId = ps.appId;
10993                        mSettings.writePackageRestrictionsLPr(removeUser);
10994                    } else {
10995                        // We need to set it back to 'installed' so the uninstall
10996                        // broadcasts will be sent correctly.
10997                        if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete");
10998                        ps.setInstalled(true, user.getIdentifier());
10999                    }
11000                } else {
11001                    // This is a system app, so we assume that the
11002                    // other users still have this package installed, so all
11003                    // we need to do is clear this user's data and save that
11004                    // it is uninstalled.
11005                    if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app");
11006                    removeUser = user.getIdentifier();
11007                    appId = ps.appId;
11008                    mSettings.writePackageRestrictionsLPr(removeUser);
11009                }
11010            }
11011        }
11012
11013        if (removeUser >= 0) {
11014            // From above, we determined that we are deleting this only
11015            // for a single user.  Continue the work here.
11016            if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser);
11017            if (outInfo != null) {
11018                outInfo.removedPackage = packageName;
11019                outInfo.removedAppId = appId;
11020                outInfo.removedUsers = new int[] {removeUser};
11021            }
11022            mInstaller.clearUserData(packageName, removeUser);
11023            removeKeystoreDataIfNeeded(removeUser, appId);
11024            schedulePackageCleaning(packageName, removeUser, false);
11025            return true;
11026        }
11027
11028        if (dataOnly) {
11029            // Delete application data first
11030            if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only");
11031            removePackageDataLI(ps, null, null, outInfo, flags, writeSettings);
11032            return true;
11033        }
11034
11035        boolean ret = false;
11036        if (isSystemApp(ps)) {
11037            if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name);
11038            // When an updated system application is deleted we delete the existing resources as well and
11039            // fall back to existing code in system partition
11040            ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled,
11041                    flags, outInfo, writeSettings);
11042        } else {
11043            if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name);
11044            // Kill application pre-emptively especially for apps on sd.
11045            killApplication(packageName, ps.appId, "uninstall pkg");
11046            ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags,
11047                    allUserHandles, perUserInstalled,
11048                    outInfo, writeSettings);
11049        }
11050
11051        return ret;
11052    }
11053
11054    private final class ClearStorageConnection implements ServiceConnection {
11055        IMediaContainerService mContainerService;
11056
11057        @Override
11058        public void onServiceConnected(ComponentName name, IBinder service) {
11059            synchronized (this) {
11060                mContainerService = IMediaContainerService.Stub.asInterface(service);
11061                notifyAll();
11062            }
11063        }
11064
11065        @Override
11066        public void onServiceDisconnected(ComponentName name) {
11067        }
11068    }
11069
11070    private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) {
11071        final boolean mounted;
11072        if (Environment.isExternalStorageEmulated()) {
11073            mounted = true;
11074        } else {
11075            final String status = Environment.getExternalStorageState();
11076
11077            mounted = status.equals(Environment.MEDIA_MOUNTED)
11078                    || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY);
11079        }
11080
11081        if (!mounted) {
11082            return;
11083        }
11084
11085        final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
11086        int[] users;
11087        if (userId == UserHandle.USER_ALL) {
11088            users = sUserManager.getUserIds();
11089        } else {
11090            users = new int[] { userId };
11091        }
11092        final ClearStorageConnection conn = new ClearStorageConnection();
11093        if (mContext.bindServiceAsUser(
11094                containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
11095            try {
11096                for (int curUser : users) {
11097                    long timeout = SystemClock.uptimeMillis() + 5000;
11098                    synchronized (conn) {
11099                        long now = SystemClock.uptimeMillis();
11100                        while (conn.mContainerService == null && now < timeout) {
11101                            try {
11102                                conn.wait(timeout - now);
11103                            } catch (InterruptedException e) {
11104                            }
11105                        }
11106                    }
11107                    if (conn.mContainerService == null) {
11108                        return;
11109                    }
11110
11111                    final UserEnvironment userEnv = new UserEnvironment(curUser);
11112                    clearDirectory(conn.mContainerService,
11113                            userEnv.buildExternalStorageAppCacheDirs(packageName));
11114                    if (allData) {
11115                        clearDirectory(conn.mContainerService,
11116                                userEnv.buildExternalStorageAppDataDirs(packageName));
11117                        clearDirectory(conn.mContainerService,
11118                                userEnv.buildExternalStorageAppMediaDirs(packageName));
11119                    }
11120                }
11121            } finally {
11122                mContext.unbindService(conn);
11123            }
11124        }
11125    }
11126
11127    @Override
11128    public void clearApplicationUserData(final String packageName,
11129            final IPackageDataObserver observer, final int userId) {
11130        mContext.enforceCallingOrSelfPermission(
11131                android.Manifest.permission.CLEAR_APP_USER_DATA, null);
11132        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data");
11133        // Queue up an async operation since the package deletion may take a little while.
11134        mHandler.post(new Runnable() {
11135            public void run() {
11136                mHandler.removeCallbacks(this);
11137                final boolean succeeded;
11138                synchronized (mInstallLock) {
11139                    succeeded = clearApplicationUserDataLI(packageName, userId);
11140                }
11141                clearExternalStorageDataSync(packageName, userId, true);
11142                if (succeeded) {
11143                    // invoke DeviceStorageMonitor's update method to clear any notifications
11144                    DeviceStorageMonitorInternal
11145                            dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
11146                    if (dsm != null) {
11147                        dsm.checkMemory();
11148                    }
11149                }
11150                if(observer != null) {
11151                    try {
11152                        observer.onRemoveCompleted(packageName, succeeded);
11153                    } catch (RemoteException e) {
11154                        Log.i(TAG, "Observer no longer exists.");
11155                    }
11156                } //end if observer
11157            } //end run
11158        });
11159    }
11160
11161    private boolean clearApplicationUserDataLI(String packageName, int userId) {
11162        if (packageName == null) {
11163            Slog.w(TAG, "Attempt to delete null packageName.");
11164            return false;
11165        }
11166        PackageParser.Package p;
11167        boolean dataOnly = false;
11168        final int appId;
11169        synchronized (mPackages) {
11170            p = mPackages.get(packageName);
11171            if (p == null) {
11172                dataOnly = true;
11173                PackageSetting ps = mSettings.mPackages.get(packageName);
11174                if ((ps == null) || (ps.pkg == null)) {
11175                    Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
11176                    return false;
11177                }
11178                p = ps.pkg;
11179            }
11180            if (!dataOnly) {
11181                // need to check this only for fully installed applications
11182                if (p == null) {
11183                    Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
11184                    return false;
11185                }
11186                final ApplicationInfo applicationInfo = p.applicationInfo;
11187                if (applicationInfo == null) {
11188                    Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
11189                    return false;
11190                }
11191            }
11192            if (p != null && p.applicationInfo != null) {
11193                appId = p.applicationInfo.uid;
11194            } else {
11195                appId = -1;
11196            }
11197        }
11198        int retCode = mInstaller.clearUserData(packageName, userId);
11199        if (retCode < 0) {
11200            Slog.w(TAG, "Couldn't remove cache files for package: "
11201                    + packageName);
11202            return false;
11203        }
11204        removeKeystoreDataIfNeeded(userId, appId);
11205        return true;
11206    }
11207
11208    /**
11209     * Remove entries from the keystore daemon. Will only remove it if the
11210     * {@code appId} is valid.
11211     */
11212    private static void removeKeystoreDataIfNeeded(int userId, int appId) {
11213        if (appId < 0) {
11214            return;
11215        }
11216
11217        final KeyStore keyStore = KeyStore.getInstance();
11218        if (keyStore != null) {
11219            if (userId == UserHandle.USER_ALL) {
11220                for (final int individual : sUserManager.getUserIds()) {
11221                    keyStore.clearUid(UserHandle.getUid(individual, appId));
11222                }
11223            } else {
11224                keyStore.clearUid(UserHandle.getUid(userId, appId));
11225            }
11226        } else {
11227            Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId);
11228        }
11229    }
11230
11231    @Override
11232    public void deleteApplicationCacheFiles(final String packageName,
11233            final IPackageDataObserver observer) {
11234        mContext.enforceCallingOrSelfPermission(
11235                android.Manifest.permission.DELETE_CACHE_FILES, null);
11236        // Queue up an async operation since the package deletion may take a little while.
11237        final int userId = UserHandle.getCallingUserId();
11238        mHandler.post(new Runnable() {
11239            public void run() {
11240                mHandler.removeCallbacks(this);
11241                final boolean succeded;
11242                synchronized (mInstallLock) {
11243                    succeded = deleteApplicationCacheFilesLI(packageName, userId);
11244                }
11245                clearExternalStorageDataSync(packageName, userId, false);
11246                if(observer != null) {
11247                    try {
11248                        observer.onRemoveCompleted(packageName, succeded);
11249                    } catch (RemoteException e) {
11250                        Log.i(TAG, "Observer no longer exists.");
11251                    }
11252                } //end if observer
11253            } //end run
11254        });
11255    }
11256
11257    private boolean deleteApplicationCacheFilesLI(String packageName, int userId) {
11258        if (packageName == null) {
11259            Slog.w(TAG, "Attempt to delete null packageName.");
11260            return false;
11261        }
11262        PackageParser.Package p;
11263        synchronized (mPackages) {
11264            p = mPackages.get(packageName);
11265        }
11266        if (p == null) {
11267            Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
11268            return false;
11269        }
11270        final ApplicationInfo applicationInfo = p.applicationInfo;
11271        if (applicationInfo == null) {
11272            Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
11273            return false;
11274        }
11275        int retCode = mInstaller.deleteCacheFiles(packageName, userId);
11276        if (retCode < 0) {
11277            Slog.w(TAG, "Couldn't remove cache files for package: "
11278                       + packageName + " u" + userId);
11279            return false;
11280        }
11281        return true;
11282    }
11283
11284    @Override
11285    public void getPackageSizeInfo(final String packageName, int userHandle,
11286            final IPackageStatsObserver observer) {
11287        mContext.enforceCallingOrSelfPermission(
11288                android.Manifest.permission.GET_PACKAGE_SIZE, null);
11289        if (packageName == null) {
11290            throw new IllegalArgumentException("Attempt to get size of null packageName");
11291        }
11292
11293        PackageStats stats = new PackageStats(packageName, userHandle);
11294
11295        /*
11296         * Queue up an async operation since the package measurement may take a
11297         * little while.
11298         */
11299        Message msg = mHandler.obtainMessage(INIT_COPY);
11300        msg.obj = new MeasureParams(stats, observer);
11301        mHandler.sendMessage(msg);
11302    }
11303
11304    private boolean getPackageSizeInfoLI(String packageName, int userHandle,
11305            PackageStats pStats) {
11306        if (packageName == null) {
11307            Slog.w(TAG, "Attempt to get size of null packageName.");
11308            return false;
11309        }
11310        PackageParser.Package p;
11311        boolean dataOnly = false;
11312        String libDirRoot = null;
11313        String asecPath = null;
11314        PackageSetting ps = null;
11315        synchronized (mPackages) {
11316            p = mPackages.get(packageName);
11317            ps = mSettings.mPackages.get(packageName);
11318            if(p == null) {
11319                dataOnly = true;
11320                if((ps == null) || (ps.pkg == null)) {
11321                    Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
11322                    return false;
11323                }
11324                p = ps.pkg;
11325            }
11326            if (ps != null) {
11327                libDirRoot = ps.legacyNativeLibraryPathString;
11328            }
11329            if (p != null && (isExternal(p) || isForwardLocked(p))) {
11330                String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath());
11331                if (secureContainerId != null) {
11332                    asecPath = PackageHelper.getSdFilesystem(secureContainerId);
11333                }
11334            }
11335        }
11336        String publicSrcDir = null;
11337        if(!dataOnly) {
11338            final ApplicationInfo applicationInfo = p.applicationInfo;
11339            if (applicationInfo == null) {
11340                Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
11341                return false;
11342            }
11343            if (isForwardLocked(p)) {
11344                publicSrcDir = applicationInfo.getBaseResourcePath();
11345            }
11346        }
11347        // TODO: extend to measure size of split APKs
11348        // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree,
11349        // not just the first level.
11350        // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not
11351        // just the primary.
11352        int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot,
11353                publicSrcDir, asecPath, getAppDexInstructionSets(ps),
11354                pStats);
11355        if (res < 0) {
11356            return false;
11357        }
11358
11359        // Fix-up for forward-locked applications in ASEC containers.
11360        if (!isExternal(p)) {
11361            pStats.codeSize += pStats.externalCodeSize;
11362            pStats.externalCodeSize = 0L;
11363        }
11364
11365        return true;
11366    }
11367
11368
11369    @Override
11370    public void addPackageToPreferred(String packageName) {
11371        Slog.w(TAG, "addPackageToPreferred: this is now a no-op");
11372    }
11373
11374    @Override
11375    public void removePackageFromPreferred(String packageName) {
11376        Slog.w(TAG, "removePackageFromPreferred: this is now a no-op");
11377    }
11378
11379    @Override
11380    public List<PackageInfo> getPreferredPackages(int flags) {
11381        return new ArrayList<PackageInfo>();
11382    }
11383
11384    private int getUidTargetSdkVersionLockedLPr(int uid) {
11385        Object obj = mSettings.getUserIdLPr(uid);
11386        if (obj instanceof SharedUserSetting) {
11387            final SharedUserSetting sus = (SharedUserSetting) obj;
11388            int vers = Build.VERSION_CODES.CUR_DEVELOPMENT;
11389            final Iterator<PackageSetting> it = sus.packages.iterator();
11390            while (it.hasNext()) {
11391                final PackageSetting ps = it.next();
11392                if (ps.pkg != null) {
11393                    int v = ps.pkg.applicationInfo.targetSdkVersion;
11394                    if (v < vers) vers = v;
11395                }
11396            }
11397            return vers;
11398        } else if (obj instanceof PackageSetting) {
11399            final PackageSetting ps = (PackageSetting) obj;
11400            if (ps.pkg != null) {
11401                return ps.pkg.applicationInfo.targetSdkVersion;
11402            }
11403        }
11404        return Build.VERSION_CODES.CUR_DEVELOPMENT;
11405    }
11406
11407    @Override
11408    public void addPreferredActivity(IntentFilter filter, int match,
11409            ComponentName[] set, ComponentName activity, int userId) {
11410        addPreferredActivityInternal(filter, match, set, activity, true, userId);
11411    }
11412
11413    private void addPreferredActivityInternal(IntentFilter filter, int match,
11414            ComponentName[] set, ComponentName activity, boolean always, int userId) {
11415        // writer
11416        int callingUid = Binder.getCallingUid();
11417        enforceCrossUserPermission(callingUid, userId, true, "add preferred activity");
11418        if (filter.countActions() == 0) {
11419            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
11420            return;
11421        }
11422        synchronized (mPackages) {
11423            if (mContext.checkCallingOrSelfPermission(
11424                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
11425                    != PackageManager.PERMISSION_GRANTED) {
11426                if (getUidTargetSdkVersionLockedLPr(callingUid)
11427                        < Build.VERSION_CODES.FROYO) {
11428                    Slog.w(TAG, "Ignoring addPreferredActivity() from uid "
11429                            + callingUid);
11430                    return;
11431                }
11432                mContext.enforceCallingOrSelfPermission(
11433                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11434            }
11435
11436            Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :");
11437            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
11438            mSettings.editPreferredActivitiesLPw(userId).addFilter(
11439                    new PreferredActivity(filter, match, set, activity, always));
11440            mSettings.writePackageRestrictionsLPr(userId);
11441        }
11442    }
11443
11444    @Override
11445    public void replacePreferredActivity(IntentFilter filter, int match,
11446            ComponentName[] set, ComponentName activity) {
11447        if (filter.countActions() != 1) {
11448            throw new IllegalArgumentException(
11449                    "replacePreferredActivity expects filter to have only 1 action.");
11450        }
11451        if (filter.countDataAuthorities() != 0
11452                || filter.countDataPaths() != 0
11453                || filter.countDataSchemes() > 1
11454                || filter.countDataTypes() != 0) {
11455            throw new IllegalArgumentException(
11456                    "replacePreferredActivity expects filter to have no data authorities, " +
11457                    "paths, or types; and at most one scheme.");
11458        }
11459        synchronized (mPackages) {
11460            if (mContext.checkCallingOrSelfPermission(
11461                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
11462                    != PackageManager.PERMISSION_GRANTED) {
11463                if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid())
11464                        < Build.VERSION_CODES.FROYO) {
11465                    Slog.w(TAG, "Ignoring replacePreferredActivity() from uid "
11466                            + Binder.getCallingUid());
11467                    return;
11468                }
11469                mContext.enforceCallingOrSelfPermission(
11470                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11471            }
11472
11473            final int callingUserId = UserHandle.getCallingUserId();
11474            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId);
11475            if (pir != null) {
11476                Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0));
11477                if (filter.countDataSchemes() == 1) {
11478                    Uri.Builder builder = new Uri.Builder();
11479                    builder.scheme(filter.getDataScheme(0));
11480                    intent.setData(builder.build());
11481                }
11482                List<PreferredActivity> matches = pir.queryIntent(
11483                        intent, null, true, callingUserId);
11484                if (DEBUG_PREFERRED) {
11485                    Slog.i(TAG, matches.size() + " preferred matches for " + intent);
11486                }
11487                for (int i = 0; i < matches.size(); i++) {
11488                    PreferredActivity pa = matches.get(i);
11489                    if (DEBUG_PREFERRED) {
11490                        Slog.i(TAG, "Removing preferred activity "
11491                                + pa.mPref.mComponent + ":");
11492                        filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
11493                    }
11494                    pir.removeFilter(pa);
11495                }
11496            }
11497            addPreferredActivityInternal(filter, match, set, activity, true, callingUserId);
11498        }
11499    }
11500
11501    @Override
11502    public void clearPackagePreferredActivities(String packageName) {
11503        final int uid = Binder.getCallingUid();
11504        // writer
11505        synchronized (mPackages) {
11506            PackageParser.Package pkg = mPackages.get(packageName);
11507            if (pkg == null || pkg.applicationInfo.uid != uid) {
11508                if (mContext.checkCallingOrSelfPermission(
11509                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
11510                        != PackageManager.PERMISSION_GRANTED) {
11511                    if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid())
11512                            < Build.VERSION_CODES.FROYO) {
11513                        Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid "
11514                                + Binder.getCallingUid());
11515                        return;
11516                    }
11517                    mContext.enforceCallingOrSelfPermission(
11518                            android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11519                }
11520            }
11521
11522            int user = UserHandle.getCallingUserId();
11523            if (clearPackagePreferredActivitiesLPw(packageName, user)) {
11524                mSettings.writePackageRestrictionsLPr(user);
11525                scheduleWriteSettingsLocked();
11526            }
11527        }
11528    }
11529
11530    /** This method takes a specific user id as well as UserHandle.USER_ALL. */
11531    boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) {
11532        ArrayList<PreferredActivity> removed = null;
11533        boolean changed = false;
11534        for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
11535            final int thisUserId = mSettings.mPreferredActivities.keyAt(i);
11536            PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
11537            if (userId != UserHandle.USER_ALL && userId != thisUserId) {
11538                continue;
11539            }
11540            Iterator<PreferredActivity> it = pir.filterIterator();
11541            while (it.hasNext()) {
11542                PreferredActivity pa = it.next();
11543                // Mark entry for removal only if it matches the package name
11544                // and the entry is of type "always".
11545                if (packageName == null ||
11546                        (pa.mPref.mComponent.getPackageName().equals(packageName)
11547                                && pa.mPref.mAlways)) {
11548                    if (removed == null) {
11549                        removed = new ArrayList<PreferredActivity>();
11550                    }
11551                    removed.add(pa);
11552                }
11553            }
11554            if (removed != null) {
11555                for (int j=0; j<removed.size(); j++) {
11556                    PreferredActivity pa = removed.get(j);
11557                    pir.removeFilter(pa);
11558                }
11559                changed = true;
11560            }
11561        }
11562        return changed;
11563    }
11564
11565    @Override
11566    public void resetPreferredActivities(int userId) {
11567        mContext.enforceCallingOrSelfPermission(
11568                android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11569        // writer
11570        synchronized (mPackages) {
11571            int user = UserHandle.getCallingUserId();
11572            clearPackagePreferredActivitiesLPw(null, user);
11573            mSettings.readDefaultPreferredAppsLPw(this, user);
11574            mSettings.writePackageRestrictionsLPr(user);
11575            scheduleWriteSettingsLocked();
11576        }
11577    }
11578
11579    @Override
11580    public int getPreferredActivities(List<IntentFilter> outFilters,
11581            List<ComponentName> outActivities, String packageName) {
11582
11583        int num = 0;
11584        final int userId = UserHandle.getCallingUserId();
11585        // reader
11586        synchronized (mPackages) {
11587            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
11588            if (pir != null) {
11589                final Iterator<PreferredActivity> it = pir.filterIterator();
11590                while (it.hasNext()) {
11591                    final PreferredActivity pa = it.next();
11592                    if (packageName == null
11593                            || (pa.mPref.mComponent.getPackageName().equals(packageName)
11594                                    && pa.mPref.mAlways)) {
11595                        if (outFilters != null) {
11596                            outFilters.add(new IntentFilter(pa));
11597                        }
11598                        if (outActivities != null) {
11599                            outActivities.add(pa.mPref.mComponent);
11600                        }
11601                    }
11602                }
11603            }
11604        }
11605
11606        return num;
11607    }
11608
11609    @Override
11610    public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity,
11611            int userId) {
11612        int callingUid = Binder.getCallingUid();
11613        if (callingUid != Process.SYSTEM_UID) {
11614            throw new SecurityException(
11615                    "addPersistentPreferredActivity can only be run by the system");
11616        }
11617        if (filter.countActions() == 0) {
11618            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
11619            return;
11620        }
11621        synchronized (mPackages) {
11622            Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId +
11623                    " :");
11624            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
11625            mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter(
11626                    new PersistentPreferredActivity(filter, activity));
11627            mSettings.writePackageRestrictionsLPr(userId);
11628        }
11629    }
11630
11631    @Override
11632    public void clearPackagePersistentPreferredActivities(String packageName, int userId) {
11633        int callingUid = Binder.getCallingUid();
11634        if (callingUid != Process.SYSTEM_UID) {
11635            throw new SecurityException(
11636                    "clearPackagePersistentPreferredActivities can only be run by the system");
11637        }
11638        ArrayList<PersistentPreferredActivity> removed = null;
11639        boolean changed = false;
11640        synchronized (mPackages) {
11641            for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) {
11642                final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i);
11643                PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
11644                        .valueAt(i);
11645                if (userId != thisUserId) {
11646                    continue;
11647                }
11648                Iterator<PersistentPreferredActivity> it = ppir.filterIterator();
11649                while (it.hasNext()) {
11650                    PersistentPreferredActivity ppa = it.next();
11651                    // Mark entry for removal only if it matches the package name.
11652                    if (ppa.mComponent.getPackageName().equals(packageName)) {
11653                        if (removed == null) {
11654                            removed = new ArrayList<PersistentPreferredActivity>();
11655                        }
11656                        removed.add(ppa);
11657                    }
11658                }
11659                if (removed != null) {
11660                    for (int j=0; j<removed.size(); j++) {
11661                        PersistentPreferredActivity ppa = removed.get(j);
11662                        ppir.removeFilter(ppa);
11663                    }
11664                    changed = true;
11665                }
11666            }
11667
11668            if (changed) {
11669                mSettings.writePackageRestrictionsLPr(userId);
11670            }
11671        }
11672    }
11673
11674    @Override
11675    public void addCrossProfileIntentFilter(IntentFilter intentFilter, int sourceUserId,
11676            int targetUserId, int flags) {
11677        mContext.enforceCallingOrSelfPermission(
11678                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
11679        if (intentFilter.countActions() == 0) {
11680            Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions");
11681            return;
11682        }
11683        synchronized (mPackages) {
11684            CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter,
11685                    targetUserId, flags);
11686            mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter);
11687            mSettings.writePackageRestrictionsLPr(sourceUserId);
11688        }
11689    }
11690
11691    public void addCrossProfileIntentsForPackage(String packageName,
11692            int sourceUserId, int targetUserId) {
11693        mContext.enforceCallingOrSelfPermission(
11694                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
11695        mSettings.addCrossProfilePackage(packageName, sourceUserId, targetUserId);
11696        mSettings.writePackageRestrictionsLPr(sourceUserId);
11697    }
11698
11699    public void removeCrossProfileIntentsForPackage(String packageName,
11700            int sourceUserId, int targetUserId) {
11701        mContext.enforceCallingOrSelfPermission(
11702                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
11703        mSettings.removeCrossProfilePackage(packageName, sourceUserId, targetUserId);
11704        mSettings.writePackageRestrictionsLPr(sourceUserId);
11705    }
11706
11707    @Override
11708    public void clearCrossProfileIntentFilters(int sourceUserId) {
11709        mContext.enforceCallingOrSelfPermission(
11710                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
11711        synchronized (mPackages) {
11712            CrossProfileIntentResolver resolver =
11713                    mSettings.editCrossProfileIntentResolverLPw(sourceUserId);
11714            HashSet<CrossProfileIntentFilter> set =
11715                    new HashSet<CrossProfileIntentFilter>(resolver.filterSet());
11716            for (CrossProfileIntentFilter filter : set) {
11717                if ((filter.getFlags() & PackageManager.SET_BY_PROFILE_OWNER) != 0) {
11718                    resolver.removeFilter(filter);
11719                }
11720            }
11721            mSettings.writePackageRestrictionsLPr(sourceUserId);
11722        }
11723    }
11724
11725    @Override
11726    public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) {
11727        Intent intent = new Intent(Intent.ACTION_MAIN);
11728        intent.addCategory(Intent.CATEGORY_HOME);
11729
11730        final int callingUserId = UserHandle.getCallingUserId();
11731        List<ResolveInfo> list = queryIntentActivities(intent, null,
11732                PackageManager.GET_META_DATA, callingUserId);
11733        ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0,
11734                true, false, false, callingUserId);
11735
11736        allHomeCandidates.clear();
11737        if (list != null) {
11738            for (ResolveInfo ri : list) {
11739                allHomeCandidates.add(ri);
11740            }
11741        }
11742        return (preferred == null || preferred.activityInfo == null)
11743                ? null
11744                : new ComponentName(preferred.activityInfo.packageName,
11745                        preferred.activityInfo.name);
11746    }
11747
11748    @Override
11749    public void setApplicationEnabledSetting(String appPackageName,
11750            int newState, int flags, int userId, String callingPackage) {
11751        if (!sUserManager.exists(userId)) return;
11752        if (callingPackage == null) {
11753            callingPackage = Integer.toString(Binder.getCallingUid());
11754        }
11755        setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage);
11756    }
11757
11758    @Override
11759    public void setComponentEnabledSetting(ComponentName componentName,
11760            int newState, int flags, int userId) {
11761        if (!sUserManager.exists(userId)) return;
11762        setEnabledSetting(componentName.getPackageName(),
11763                componentName.getClassName(), newState, flags, userId, null);
11764    }
11765
11766    private void setEnabledSetting(final String packageName, String className, int newState,
11767            final int flags, int userId, String callingPackage) {
11768        if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT
11769              || newState == COMPONENT_ENABLED_STATE_ENABLED
11770              || newState == COMPONENT_ENABLED_STATE_DISABLED
11771              || newState == COMPONENT_ENABLED_STATE_DISABLED_USER
11772              || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) {
11773            throw new IllegalArgumentException("Invalid new component state: "
11774                    + newState);
11775        }
11776        PackageSetting pkgSetting;
11777        final int uid = Binder.getCallingUid();
11778        final int permission = mContext.checkCallingOrSelfPermission(
11779                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
11780        enforceCrossUserPermission(uid, userId, false, "set enabled");
11781        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
11782        boolean sendNow = false;
11783        boolean isApp = (className == null);
11784        String componentName = isApp ? packageName : className;
11785        int packageUid = -1;
11786        ArrayList<String> components;
11787
11788        // writer
11789        synchronized (mPackages) {
11790            pkgSetting = mSettings.mPackages.get(packageName);
11791            if (pkgSetting == null) {
11792                if (className == null) {
11793                    throw new IllegalArgumentException(
11794                            "Unknown package: " + packageName);
11795                }
11796                throw new IllegalArgumentException(
11797                        "Unknown component: " + packageName
11798                        + "/" + className);
11799            }
11800            // Allow root and verify that userId is not being specified by a different user
11801            if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) {
11802                throw new SecurityException(
11803                        "Permission Denial: attempt to change component state from pid="
11804                        + Binder.getCallingPid()
11805                        + ", uid=" + uid + ", package uid=" + pkgSetting.appId);
11806            }
11807            if (className == null) {
11808                // We're dealing with an application/package level state change
11809                if (pkgSetting.getEnabled(userId) == newState) {
11810                    // Nothing to do
11811                    return;
11812                }
11813                if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT
11814                    || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {
11815                    // Don't care about who enables an app.
11816                    callingPackage = null;
11817                }
11818                pkgSetting.setEnabled(newState, userId, callingPackage);
11819                // pkgSetting.pkg.mSetEnabled = newState;
11820            } else {
11821                // We're dealing with a component level state change
11822                // First, verify that this is a valid class name.
11823                PackageParser.Package pkg = pkgSetting.pkg;
11824                if (pkg == null || !pkg.hasComponentClassName(className)) {
11825                    if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) {
11826                        throw new IllegalArgumentException("Component class " + className
11827                                + " does not exist in " + packageName);
11828                    } else {
11829                        Slog.w(TAG, "Failed setComponentEnabledSetting: component class "
11830                                + className + " does not exist in " + packageName);
11831                    }
11832                }
11833                switch (newState) {
11834                case COMPONENT_ENABLED_STATE_ENABLED:
11835                    if (!pkgSetting.enableComponentLPw(className, userId)) {
11836                        return;
11837                    }
11838                    break;
11839                case COMPONENT_ENABLED_STATE_DISABLED:
11840                    if (!pkgSetting.disableComponentLPw(className, userId)) {
11841                        return;
11842                    }
11843                    break;
11844                case COMPONENT_ENABLED_STATE_DEFAULT:
11845                    if (!pkgSetting.restoreComponentLPw(className, userId)) {
11846                        return;
11847                    }
11848                    break;
11849                default:
11850                    Slog.e(TAG, "Invalid new component state: " + newState);
11851                    return;
11852                }
11853            }
11854            mSettings.writePackageRestrictionsLPr(userId);
11855            components = mPendingBroadcasts.get(userId, packageName);
11856            final boolean newPackage = components == null;
11857            if (newPackage) {
11858                components = new ArrayList<String>();
11859            }
11860            if (!components.contains(componentName)) {
11861                components.add(componentName);
11862            }
11863            if ((flags&PackageManager.DONT_KILL_APP) == 0) {
11864                sendNow = true;
11865                // Purge entry from pending broadcast list if another one exists already
11866                // since we are sending one right away.
11867                mPendingBroadcasts.remove(userId, packageName);
11868            } else {
11869                if (newPackage) {
11870                    mPendingBroadcasts.put(userId, packageName, components);
11871                }
11872                if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) {
11873                    // Schedule a message
11874                    mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY);
11875                }
11876            }
11877        }
11878
11879        long callingId = Binder.clearCallingIdentity();
11880        try {
11881            if (sendNow) {
11882                packageUid = UserHandle.getUid(userId, pkgSetting.appId);
11883                sendPackageChangedBroadcast(packageName,
11884                        (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid);
11885            }
11886        } finally {
11887            Binder.restoreCallingIdentity(callingId);
11888        }
11889    }
11890
11891    private void sendPackageChangedBroadcast(String packageName,
11892            boolean killFlag, ArrayList<String> componentNames, int packageUid) {
11893        if (DEBUG_INSTALL)
11894            Log.v(TAG, "Sending package changed: package=" + packageName + " components="
11895                    + componentNames);
11896        Bundle extras = new Bundle(4);
11897        extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0));
11898        String nameList[] = new String[componentNames.size()];
11899        componentNames.toArray(nameList);
11900        extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList);
11901        extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag);
11902        extras.putInt(Intent.EXTRA_UID, packageUid);
11903        sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED,  packageName, extras, null, null,
11904                new int[] {UserHandle.getUserId(packageUid)});
11905    }
11906
11907    @Override
11908    public void setPackageStoppedState(String packageName, boolean stopped, int userId) {
11909        if (!sUserManager.exists(userId)) return;
11910        final int uid = Binder.getCallingUid();
11911        final int permission = mContext.checkCallingOrSelfPermission(
11912                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
11913        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
11914        enforceCrossUserPermission(uid, userId, true, "stop package");
11915        // writer
11916        synchronized (mPackages) {
11917            if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission,
11918                    uid, userId)) {
11919                scheduleWritePackageRestrictionsLocked(userId);
11920            }
11921        }
11922    }
11923
11924    @Override
11925    public String getInstallerPackageName(String packageName) {
11926        // reader
11927        synchronized (mPackages) {
11928            return mSettings.getInstallerPackageNameLPr(packageName);
11929        }
11930    }
11931
11932    @Override
11933    public int getApplicationEnabledSetting(String packageName, int userId) {
11934        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
11935        int uid = Binder.getCallingUid();
11936        enforceCrossUserPermission(uid, userId, false, "get enabled");
11937        // reader
11938        synchronized (mPackages) {
11939            return mSettings.getApplicationEnabledSettingLPr(packageName, userId);
11940        }
11941    }
11942
11943    @Override
11944    public int getComponentEnabledSetting(ComponentName componentName, int userId) {
11945        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
11946        int uid = Binder.getCallingUid();
11947        enforceCrossUserPermission(uid, userId, false, "get component enabled");
11948        // reader
11949        synchronized (mPackages) {
11950            return mSettings.getComponentEnabledSettingLPr(componentName, userId);
11951        }
11952    }
11953
11954    @Override
11955    public void enterSafeMode() {
11956        enforceSystemOrRoot("Only the system can request entering safe mode");
11957
11958        if (!mSystemReady) {
11959            mSafeMode = true;
11960        }
11961    }
11962
11963    @Override
11964    public void systemReady() {
11965        mSystemReady = true;
11966
11967        // Read the compatibilty setting when the system is ready.
11968        boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt(
11969                mContext.getContentResolver(),
11970                android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1;
11971        PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled);
11972        if (DEBUG_SETTINGS) {
11973            Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled);
11974        }
11975
11976        synchronized (mPackages) {
11977            // Verify that all of the preferred activity components actually
11978            // exist.  It is possible for applications to be updated and at
11979            // that point remove a previously declared activity component that
11980            // had been set as a preferred activity.  We try to clean this up
11981            // the next time we encounter that preferred activity, but it is
11982            // possible for the user flow to never be able to return to that
11983            // situation so here we do a sanity check to make sure we haven't
11984            // left any junk around.
11985            ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>();
11986            for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
11987                PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
11988                removed.clear();
11989                for (PreferredActivity pa : pir.filterSet()) {
11990                    if (mActivities.mActivities.get(pa.mPref.mComponent) == null) {
11991                        removed.add(pa);
11992                    }
11993                }
11994                if (removed.size() > 0) {
11995                    for (int r=0; r<removed.size(); r++) {
11996                        PreferredActivity pa = removed.get(r);
11997                        Slog.w(TAG, "Removing dangling preferred activity: "
11998                                + pa.mPref.mComponent);
11999                        pir.removeFilter(pa);
12000                    }
12001                    mSettings.writePackageRestrictionsLPr(
12002                            mSettings.mPreferredActivities.keyAt(i));
12003                }
12004            }
12005        }
12006        sUserManager.systemReady();
12007    }
12008
12009    @Override
12010    public boolean isSafeMode() {
12011        return mSafeMode;
12012    }
12013
12014    @Override
12015    public boolean hasSystemUidErrors() {
12016        return mHasSystemUidErrors;
12017    }
12018
12019    static String arrayToString(int[] array) {
12020        StringBuffer buf = new StringBuffer(128);
12021        buf.append('[');
12022        if (array != null) {
12023            for (int i=0; i<array.length; i++) {
12024                if (i > 0) buf.append(", ");
12025                buf.append(array[i]);
12026            }
12027        }
12028        buf.append(']');
12029        return buf.toString();
12030    }
12031
12032    static class DumpState {
12033        public static final int DUMP_LIBS = 1 << 0;
12034        public static final int DUMP_FEATURES = 1 << 1;
12035        public static final int DUMP_RESOLVERS = 1 << 2;
12036        public static final int DUMP_PERMISSIONS = 1 << 3;
12037        public static final int DUMP_PACKAGES = 1 << 4;
12038        public static final int DUMP_SHARED_USERS = 1 << 5;
12039        public static final int DUMP_MESSAGES = 1 << 6;
12040        public static final int DUMP_PROVIDERS = 1 << 7;
12041        public static final int DUMP_VERIFIERS = 1 << 8;
12042        public static final int DUMP_PREFERRED = 1 << 9;
12043        public static final int DUMP_PREFERRED_XML = 1 << 10;
12044        public static final int DUMP_KEYSETS = 1 << 11;
12045        public static final int DUMP_VERSION = 1 << 12;
12046        public static final int DUMP_INSTALLS = 1 << 13;
12047
12048        public static final int OPTION_SHOW_FILTERS = 1 << 0;
12049
12050        private int mTypes;
12051
12052        private int mOptions;
12053
12054        private boolean mTitlePrinted;
12055
12056        private SharedUserSetting mSharedUser;
12057
12058        public boolean isDumping(int type) {
12059            if (mTypes == 0 && type != DUMP_PREFERRED_XML) {
12060                return true;
12061            }
12062
12063            return (mTypes & type) != 0;
12064        }
12065
12066        public void setDump(int type) {
12067            mTypes |= type;
12068        }
12069
12070        public boolean isOptionEnabled(int option) {
12071            return (mOptions & option) != 0;
12072        }
12073
12074        public void setOptionEnabled(int option) {
12075            mOptions |= option;
12076        }
12077
12078        public boolean onTitlePrinted() {
12079            final boolean printed = mTitlePrinted;
12080            mTitlePrinted = true;
12081            return printed;
12082        }
12083
12084        public boolean getTitlePrinted() {
12085            return mTitlePrinted;
12086        }
12087
12088        public void setTitlePrinted(boolean enabled) {
12089            mTitlePrinted = enabled;
12090        }
12091
12092        public SharedUserSetting getSharedUser() {
12093            return mSharedUser;
12094        }
12095
12096        public void setSharedUser(SharedUserSetting user) {
12097            mSharedUser = user;
12098        }
12099    }
12100
12101    @Override
12102    protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
12103        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
12104                != PackageManager.PERMISSION_GRANTED) {
12105            pw.println("Permission Denial: can't dump ActivityManager from from pid="
12106                    + Binder.getCallingPid()
12107                    + ", uid=" + Binder.getCallingUid()
12108                    + " without permission "
12109                    + android.Manifest.permission.DUMP);
12110            return;
12111        }
12112
12113        DumpState dumpState = new DumpState();
12114        boolean fullPreferred = false;
12115        boolean checkin = false;
12116
12117        String packageName = null;
12118
12119        int opti = 0;
12120        while (opti < args.length) {
12121            String opt = args[opti];
12122            if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') {
12123                break;
12124            }
12125            opti++;
12126            if ("-a".equals(opt)) {
12127                // Right now we only know how to print all.
12128            } else if ("-h".equals(opt)) {
12129                pw.println("Package manager dump options:");
12130                pw.println("  [-h] [-f] [--checkin] [cmd] ...");
12131                pw.println("    --checkin: dump for a checkin");
12132                pw.println("    -f: print details of intent filters");
12133                pw.println("    -h: print this help");
12134                pw.println("  cmd may be one of:");
12135                pw.println("    l[ibraries]: list known shared libraries");
12136                pw.println("    f[ibraries]: list device features");
12137                pw.println("    k[eysets]: print known keysets");
12138                pw.println("    r[esolvers]: dump intent resolvers");
12139                pw.println("    perm[issions]: dump permissions");
12140                pw.println("    pref[erred]: print preferred package settings");
12141                pw.println("    preferred-xml [--full]: print preferred package settings as xml");
12142                pw.println("    prov[iders]: dump content providers");
12143                pw.println("    p[ackages]: dump installed packages");
12144                pw.println("    s[hared-users]: dump shared user IDs");
12145                pw.println("    m[essages]: print collected runtime messages");
12146                pw.println("    v[erifiers]: print package verifier info");
12147                pw.println("    version: print database version info");
12148                pw.println("    write: write current settings now");
12149                pw.println("    <package.name>: info about given package");
12150                pw.println("    installs: details about install sessions");
12151                return;
12152            } else if ("--checkin".equals(opt)) {
12153                checkin = true;
12154            } else if ("-f".equals(opt)) {
12155                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
12156            } else {
12157                pw.println("Unknown argument: " + opt + "; use -h for help");
12158            }
12159        }
12160
12161        // Is the caller requesting to dump a particular piece of data?
12162        if (opti < args.length) {
12163            String cmd = args[opti];
12164            opti++;
12165            // Is this a package name?
12166            if ("android".equals(cmd) || cmd.contains(".")) {
12167                packageName = cmd;
12168                // When dumping a single package, we always dump all of its
12169                // filter information since the amount of data will be reasonable.
12170                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
12171            } else if ("l".equals(cmd) || "libraries".equals(cmd)) {
12172                dumpState.setDump(DumpState.DUMP_LIBS);
12173            } else if ("f".equals(cmd) || "features".equals(cmd)) {
12174                dumpState.setDump(DumpState.DUMP_FEATURES);
12175            } else if ("r".equals(cmd) || "resolvers".equals(cmd)) {
12176                dumpState.setDump(DumpState.DUMP_RESOLVERS);
12177            } else if ("perm".equals(cmd) || "permissions".equals(cmd)) {
12178                dumpState.setDump(DumpState.DUMP_PERMISSIONS);
12179            } else if ("pref".equals(cmd) || "preferred".equals(cmd)) {
12180                dumpState.setDump(DumpState.DUMP_PREFERRED);
12181            } else if ("preferred-xml".equals(cmd)) {
12182                dumpState.setDump(DumpState.DUMP_PREFERRED_XML);
12183                if (opti < args.length && "--full".equals(args[opti])) {
12184                    fullPreferred = true;
12185                    opti++;
12186                }
12187            } else if ("p".equals(cmd) || "packages".equals(cmd)) {
12188                dumpState.setDump(DumpState.DUMP_PACKAGES);
12189            } else if ("s".equals(cmd) || "shared-users".equals(cmd)) {
12190                dumpState.setDump(DumpState.DUMP_SHARED_USERS);
12191            } else if ("prov".equals(cmd) || "providers".equals(cmd)) {
12192                dumpState.setDump(DumpState.DUMP_PROVIDERS);
12193            } else if ("m".equals(cmd) || "messages".equals(cmd)) {
12194                dumpState.setDump(DumpState.DUMP_MESSAGES);
12195            } else if ("v".equals(cmd) || "verifiers".equals(cmd)) {
12196                dumpState.setDump(DumpState.DUMP_VERIFIERS);
12197            } else if ("version".equals(cmd)) {
12198                dumpState.setDump(DumpState.DUMP_VERSION);
12199            } else if ("k".equals(cmd) || "keysets".equals(cmd)) {
12200                dumpState.setDump(DumpState.DUMP_KEYSETS);
12201            } else if ("write".equals(cmd)) {
12202                synchronized (mPackages) {
12203                    mSettings.writeLPr();
12204                    pw.println("Settings written.");
12205                    return;
12206                }
12207            } else if ("installs".equals(cmd)) {
12208                dumpState.setDump(DumpState.DUMP_INSTALLS);
12209            }
12210        }
12211
12212        if (checkin) {
12213            pw.println("vers,1");
12214        }
12215
12216        // reader
12217        synchronized (mPackages) {
12218            if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) {
12219                if (!checkin) {
12220                    if (dumpState.onTitlePrinted())
12221                        pw.println();
12222                    pw.println("Database versions:");
12223                    pw.print("  SDK Version:");
12224                    pw.print(" internal=");
12225                    pw.print(mSettings.mInternalSdkPlatform);
12226                    pw.print(" external=");
12227                    pw.println(mSettings.mExternalSdkPlatform);
12228                    pw.print("  DB Version:");
12229                    pw.print(" internal=");
12230                    pw.print(mSettings.mInternalDatabaseVersion);
12231                    pw.print(" external=");
12232                    pw.println(mSettings.mExternalDatabaseVersion);
12233                }
12234            }
12235
12236            if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) {
12237                if (!checkin) {
12238                    if (dumpState.onTitlePrinted())
12239                        pw.println();
12240                    pw.println("Verifiers:");
12241                    pw.print("  Required: ");
12242                    pw.print(mRequiredVerifierPackage);
12243                    pw.print(" (uid=");
12244                    pw.print(getPackageUid(mRequiredVerifierPackage, 0));
12245                    pw.println(")");
12246                } else if (mRequiredVerifierPackage != null) {
12247                    pw.print("vrfy,"); pw.print(mRequiredVerifierPackage);
12248                    pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0));
12249                }
12250            }
12251
12252            if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) {
12253                boolean printedHeader = false;
12254                final Iterator<String> it = mSharedLibraries.keySet().iterator();
12255                while (it.hasNext()) {
12256                    String name = it.next();
12257                    SharedLibraryEntry ent = mSharedLibraries.get(name);
12258                    if (!checkin) {
12259                        if (!printedHeader) {
12260                            if (dumpState.onTitlePrinted())
12261                                pw.println();
12262                            pw.println("Libraries:");
12263                            printedHeader = true;
12264                        }
12265                        pw.print("  ");
12266                    } else {
12267                        pw.print("lib,");
12268                    }
12269                    pw.print(name);
12270                    if (!checkin) {
12271                        pw.print(" -> ");
12272                    }
12273                    if (ent.path != null) {
12274                        if (!checkin) {
12275                            pw.print("(jar) ");
12276                            pw.print(ent.path);
12277                        } else {
12278                            pw.print(",jar,");
12279                            pw.print(ent.path);
12280                        }
12281                    } else {
12282                        if (!checkin) {
12283                            pw.print("(apk) ");
12284                            pw.print(ent.apk);
12285                        } else {
12286                            pw.print(",apk,");
12287                            pw.print(ent.apk);
12288                        }
12289                    }
12290                    pw.println();
12291                }
12292            }
12293
12294            if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) {
12295                if (dumpState.onTitlePrinted())
12296                    pw.println();
12297                if (!checkin) {
12298                    pw.println("Features:");
12299                }
12300                Iterator<String> it = mAvailableFeatures.keySet().iterator();
12301                while (it.hasNext()) {
12302                    String name = it.next();
12303                    if (!checkin) {
12304                        pw.print("  ");
12305                    } else {
12306                        pw.print("feat,");
12307                    }
12308                    pw.println(name);
12309                }
12310            }
12311
12312            if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) {
12313                if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:"
12314                        : "Activity Resolver Table:", "  ", packageName,
12315                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12316                    dumpState.setTitlePrinted(true);
12317                }
12318                if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:"
12319                        : "Receiver Resolver Table:", "  ", packageName,
12320                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12321                    dumpState.setTitlePrinted(true);
12322                }
12323                if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:"
12324                        : "Service Resolver Table:", "  ", packageName,
12325                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12326                    dumpState.setTitlePrinted(true);
12327                }
12328                if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:"
12329                        : "Provider Resolver Table:", "  ", packageName,
12330                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12331                    dumpState.setTitlePrinted(true);
12332                }
12333            }
12334
12335            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) {
12336                for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
12337                    PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
12338                    int user = mSettings.mPreferredActivities.keyAt(i);
12339                    if (pir.dump(pw,
12340                            dumpState.getTitlePrinted()
12341                                ? "\nPreferred Activities User " + user + ":"
12342                                : "Preferred Activities User " + user + ":", "  ",
12343                            packageName, true)) {
12344                        dumpState.setTitlePrinted(true);
12345                    }
12346                }
12347            }
12348
12349            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) {
12350                pw.flush();
12351                FileOutputStream fout = new FileOutputStream(fd);
12352                BufferedOutputStream str = new BufferedOutputStream(fout);
12353                XmlSerializer serializer = new FastXmlSerializer();
12354                try {
12355                    serializer.setOutput(str, "utf-8");
12356                    serializer.startDocument(null, true);
12357                    serializer.setFeature(
12358                            "http://xmlpull.org/v1/doc/features.html#indent-output", true);
12359                    mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred);
12360                    serializer.endDocument();
12361                    serializer.flush();
12362                } catch (IllegalArgumentException e) {
12363                    pw.println("Failed writing: " + e);
12364                } catch (IllegalStateException e) {
12365                    pw.println("Failed writing: " + e);
12366                } catch (IOException e) {
12367                    pw.println("Failed writing: " + e);
12368                }
12369            }
12370
12371            if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) {
12372                mSettings.dumpPermissionsLPr(pw, packageName, dumpState);
12373            }
12374
12375            if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) {
12376                boolean printedSomething = false;
12377                for (PackageParser.Provider p : mProviders.mProviders.values()) {
12378                    if (packageName != null && !packageName.equals(p.info.packageName)) {
12379                        continue;
12380                    }
12381                    if (!printedSomething) {
12382                        if (dumpState.onTitlePrinted())
12383                            pw.println();
12384                        pw.println("Registered ContentProviders:");
12385                        printedSomething = true;
12386                    }
12387                    pw.print("  "); p.printComponentShortName(pw); pw.println(":");
12388                    pw.print("    "); pw.println(p.toString());
12389                }
12390                printedSomething = false;
12391                for (Map.Entry<String, PackageParser.Provider> entry :
12392                        mProvidersByAuthority.entrySet()) {
12393                    PackageParser.Provider p = entry.getValue();
12394                    if (packageName != null && !packageName.equals(p.info.packageName)) {
12395                        continue;
12396                    }
12397                    if (!printedSomething) {
12398                        if (dumpState.onTitlePrinted())
12399                            pw.println();
12400                        pw.println("ContentProvider Authorities:");
12401                        printedSomething = true;
12402                    }
12403                    pw.print("  ["); pw.print(entry.getKey()); pw.println("]:");
12404                    pw.print("    "); pw.println(p.toString());
12405                    if (p.info != null && p.info.applicationInfo != null) {
12406                        final String appInfo = p.info.applicationInfo.toString();
12407                        pw.print("      applicationInfo="); pw.println(appInfo);
12408                    }
12409                }
12410            }
12411
12412            if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) {
12413                mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState);
12414            }
12415
12416            if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) {
12417                mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin);
12418            }
12419
12420            if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) {
12421                mSettings.dumpSharedUsersLPr(pw, packageName, dumpState);
12422            }
12423
12424            if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS)) {
12425                if (dumpState.onTitlePrinted()) pw.println();
12426                mInstallerService.dump(new IndentingPrintWriter(pw, "  ", 120));
12427            }
12428
12429            if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) {
12430                if (dumpState.onTitlePrinted()) pw.println();
12431                mSettings.dumpReadMessagesLPr(pw, dumpState);
12432
12433                pw.println();
12434                pw.println("Package warning messages:");
12435                final File fname = getSettingsProblemFile();
12436                FileInputStream in = null;
12437                try {
12438                    in = new FileInputStream(fname);
12439                    final int avail = in.available();
12440                    final byte[] data = new byte[avail];
12441                    in.read(data);
12442                    pw.print(new String(data));
12443                } catch (FileNotFoundException e) {
12444                } catch (IOException e) {
12445                } finally {
12446                    if (in != null) {
12447                        try {
12448                            in.close();
12449                        } catch (IOException e) {
12450                        }
12451                    }
12452                }
12453            }
12454        }
12455    }
12456
12457    // ------- apps on sdcard specific code -------
12458    static final boolean DEBUG_SD_INSTALL = false;
12459
12460    private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD";
12461
12462    private static final String SD_ENCRYPTION_ALGORITHM = "AES";
12463
12464    private boolean mMediaMounted = false;
12465
12466    private String getEncryptKey() {
12467        try {
12468            String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString(
12469                    SD_ENCRYPTION_KEYSTORE_NAME);
12470            if (sdEncKey == null) {
12471                sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128,
12472                        SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME);
12473                if (sdEncKey == null) {
12474                    Slog.e(TAG, "Failed to create encryption keys");
12475                    return null;
12476                }
12477            }
12478            return sdEncKey;
12479        } catch (NoSuchAlgorithmException nsae) {
12480            Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae);
12481            return null;
12482        } catch (IOException ioe) {
12483            Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe);
12484            return null;
12485        }
12486
12487    }
12488
12489    /* package */static String getTempContainerId() {
12490        int tmpIdx = 1;
12491        String list[] = PackageHelper.getSecureContainerList();
12492        if (list != null) {
12493            for (final String name : list) {
12494                // Ignore null and non-temporary container entries
12495                if (name == null || !name.startsWith(mTempContainerPrefix)) {
12496                    continue;
12497                }
12498
12499                String subStr = name.substring(mTempContainerPrefix.length());
12500                try {
12501                    int cid = Integer.parseInt(subStr);
12502                    if (cid >= tmpIdx) {
12503                        tmpIdx = cid + 1;
12504                    }
12505                } catch (NumberFormatException e) {
12506                }
12507            }
12508        }
12509        return mTempContainerPrefix + tmpIdx;
12510    }
12511
12512    /*
12513     * Update media status on PackageManager.
12514     */
12515    @Override
12516    public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) {
12517        int callingUid = Binder.getCallingUid();
12518        if (callingUid != 0 && callingUid != Process.SYSTEM_UID) {
12519            throw new SecurityException("Media status can only be updated by the system");
12520        }
12521        // reader; this apparently protects mMediaMounted, but should probably
12522        // be a different lock in that case.
12523        synchronized (mPackages) {
12524            Log.i(TAG, "Updating external media status from "
12525                    + (mMediaMounted ? "mounted" : "unmounted") + " to "
12526                    + (mediaStatus ? "mounted" : "unmounted"));
12527            if (DEBUG_SD_INSTALL)
12528                Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus
12529                        + ", mMediaMounted=" + mMediaMounted);
12530            if (mediaStatus == mMediaMounted) {
12531                final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1
12532                        : 0, -1);
12533                mHandler.sendMessage(msg);
12534                return;
12535            }
12536            mMediaMounted = mediaStatus;
12537        }
12538        // Queue up an async operation since the package installation may take a
12539        // little while.
12540        mHandler.post(new Runnable() {
12541            public void run() {
12542                updateExternalMediaStatusInner(mediaStatus, reportStatus, true);
12543            }
12544        });
12545    }
12546
12547    /**
12548     * Called by MountService when the initial ASECs to scan are available.
12549     * Should block until all the ASEC containers are finished being scanned.
12550     */
12551    public void scanAvailableAsecs() {
12552        updateExternalMediaStatusInner(true, false, false);
12553        if (mShouldRestoreconData) {
12554            SELinuxMMAC.setRestoreconDone();
12555            mShouldRestoreconData = false;
12556        }
12557    }
12558
12559    /*
12560     * Collect information of applications on external media, map them against
12561     * existing containers and update information based on current mount status.
12562     * Please note that we always have to report status if reportStatus has been
12563     * set to true especially when unloading packages.
12564     */
12565    private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus,
12566            boolean externalStorage) {
12567        // Collection of uids
12568        int uidArr[] = null;
12569        // Collection of stale containers
12570        HashSet<String> removeCids = new HashSet<String>();
12571        // Collection of packages on external media with valid containers.
12572        HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>();
12573        // Get list of secure containers.
12574        final String list[] = PackageHelper.getSecureContainerList();
12575        if (list == null || list.length == 0) {
12576            Log.i(TAG, "No secure containers on sdcard");
12577        } else {
12578            // Process list of secure containers and categorize them
12579            // as active or stale based on their package internal state.
12580            int uidList[] = new int[list.length];
12581            int num = 0;
12582            // reader
12583            synchronized (mPackages) {
12584                for (String cid : list) {
12585                    if (DEBUG_SD_INSTALL)
12586                        Log.i(TAG, "Processing container " + cid);
12587                    String pkgName = getAsecPackageName(cid);
12588                    if (pkgName == null) {
12589                        if (DEBUG_SD_INSTALL)
12590                            Log.i(TAG, "Container : " + cid + " stale");
12591                        removeCids.add(cid);
12592                        continue;
12593                    }
12594                    if (DEBUG_SD_INSTALL)
12595                        Log.i(TAG, "Looking for pkg : " + pkgName);
12596
12597                    final PackageSetting ps = mSettings.mPackages.get(pkgName);
12598                    if (ps == null) {
12599                        Log.i(TAG, "Deleting container with no matching settings " + cid);
12600                        removeCids.add(cid);
12601                        continue;
12602                    }
12603
12604                    /*
12605                     * Skip packages that are not external if we're unmounting
12606                     * external storage.
12607                     */
12608                    if (externalStorage && !isMounted && !isExternal(ps)) {
12609                        continue;
12610                    }
12611
12612                    final AsecInstallArgs args = new AsecInstallArgs(cid,
12613                            getAppDexInstructionSets(ps), isForwardLocked(ps), isMultiArch(ps));
12614                    // The package status is changed only if the code path
12615                    // matches between settings and the container id.
12616                    if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) {
12617                        if (DEBUG_SD_INSTALL) {
12618                            Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName
12619                                    + " at code path: " + ps.codePathString);
12620                        }
12621
12622                        // We do have a valid package installed on sdcard
12623                        processCids.put(args, ps.codePathString);
12624                        final int uid = ps.appId;
12625                        if (uid != -1) {
12626                            uidList[num++] = uid;
12627                        }
12628                    } else {
12629                        Log.i(TAG, "Deleting stale container for " + cid);
12630                        removeCids.add(cid);
12631                    }
12632                }
12633            }
12634
12635            if (num > 0) {
12636                // Sort uid list
12637                Arrays.sort(uidList, 0, num);
12638                // Throw away duplicates
12639                uidArr = new int[num];
12640                uidArr[0] = uidList[0];
12641                int di = 0;
12642                for (int i = 1; i < num; i++) {
12643                    if (uidList[i - 1] != uidList[i]) {
12644                        uidArr[di++] = uidList[i];
12645                    }
12646                }
12647            }
12648        }
12649        // Process packages with valid entries.
12650        if (isMounted) {
12651            if (DEBUG_SD_INSTALL)
12652                Log.i(TAG, "Loading packages");
12653            loadMediaPackages(processCids, uidArr, removeCids);
12654            startCleaningPackages();
12655        } else {
12656            if (DEBUG_SD_INSTALL)
12657                Log.i(TAG, "Unloading packages");
12658            unloadMediaPackages(processCids, uidArr, reportStatus);
12659        }
12660    }
12661
12662   private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
12663           ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
12664        int size = pkgList.size();
12665        if (size > 0) {
12666            // Send broadcasts here
12667            Bundle extras = new Bundle();
12668            extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList
12669                    .toArray(new String[size]));
12670            if (uidArr != null) {
12671                extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr);
12672            }
12673            if (replacing) {
12674                extras.putBoolean(Intent.EXTRA_REPLACING, replacing);
12675            }
12676            String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE
12677                    : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE;
12678            sendPackageBroadcast(action, null, extras, null, finishedReceiver, null);
12679        }
12680    }
12681
12682   /*
12683     * Look at potentially valid container ids from processCids If package
12684     * information doesn't match the one on record or package scanning fails,
12685     * the cid is added to list of removeCids. We currently don't delete stale
12686     * containers.
12687     */
12688   private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[],
12689            HashSet<String> removeCids) {
12690        ArrayList<String> pkgList = new ArrayList<String>();
12691        Set<AsecInstallArgs> keys = processCids.keySet();
12692        boolean doGc = false;
12693        for (AsecInstallArgs args : keys) {
12694            String codePath = processCids.get(args);
12695            if (DEBUG_SD_INSTALL)
12696                Log.i(TAG, "Loading container : " + args.cid);
12697            int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
12698            try {
12699                // Make sure there are no container errors first.
12700                if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) {
12701                    Slog.e(TAG, "Failed to mount cid : " + args.cid
12702                            + " when installing from sdcard");
12703                    continue;
12704                }
12705                // Check code path here.
12706                if (codePath == null || !codePath.equals(args.getCodePath())) {
12707                    Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath()
12708                            + " does not match one in settings " + codePath);
12709                    continue;
12710                }
12711                // Parse package
12712                int parseFlags = mDefParseFlags;
12713                if (args.isExternal()) {
12714                    parseFlags |= PackageParser.PARSE_ON_SDCARD;
12715                }
12716                if (args.isFwdLocked()) {
12717                    parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
12718                }
12719
12720                doGc = true;
12721                synchronized (mInstallLock) {
12722                    PackageParser.Package pkg = null;
12723                    try {
12724                        pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null, null);
12725                    } catch (PackageManagerException e) {
12726                        Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage());
12727                    }
12728                    // Scan the package
12729                    if (pkg != null) {
12730                        /*
12731                         * TODO why is the lock being held? doPostInstall is
12732                         * called in other places without the lock. This needs
12733                         * to be straightened out.
12734                         */
12735                        // writer
12736                        synchronized (mPackages) {
12737                            retCode = PackageManager.INSTALL_SUCCEEDED;
12738                            pkgList.add(pkg.packageName);
12739                            // Post process args
12740                            args.doPostInstall(PackageManager.INSTALL_SUCCEEDED,
12741                                    pkg.applicationInfo.uid);
12742                        }
12743                    } else {
12744                        Slog.i(TAG, "Failed to install pkg from  " + codePath + " from sdcard");
12745                    }
12746                }
12747
12748            } finally {
12749                if (retCode != PackageManager.INSTALL_SUCCEEDED) {
12750                    // Don't destroy container here. Wait till gc clears things
12751                    // up.
12752                    removeCids.add(args.cid);
12753                }
12754            }
12755        }
12756        // writer
12757        synchronized (mPackages) {
12758            // If the platform SDK has changed since the last time we booted,
12759            // we need to re-grant app permission to catch any new ones that
12760            // appear. This is really a hack, and means that apps can in some
12761            // cases get permissions that the user didn't initially explicitly
12762            // allow... it would be nice to have some better way to handle
12763            // this situation.
12764            final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion;
12765            if (regrantPermissions)
12766                Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to "
12767                        + mSdkVersion + "; regranting permissions for external storage");
12768            mSettings.mExternalSdkPlatform = mSdkVersion;
12769
12770            // Make sure group IDs have been assigned, and any permission
12771            // changes in other apps are accounted for
12772            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
12773                    | (regrantPermissions
12774                            ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
12775                            : 0));
12776
12777            mSettings.updateExternalDatabaseVersion();
12778
12779            // can downgrade to reader
12780            // Persist settings
12781            mSettings.writeLPr();
12782        }
12783        // Send a broadcast to let everyone know we are done processing
12784        if (pkgList.size() > 0) {
12785            sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null);
12786        }
12787        // Force gc to avoid any stale parser references that we might have.
12788        if (doGc) {
12789            Runtime.getRuntime().gc();
12790        }
12791        // List stale containers and destroy stale temporary containers.
12792        if (removeCids != null) {
12793            for (String cid : removeCids) {
12794                if (cid.startsWith(mTempContainerPrefix)) {
12795                    Log.i(TAG, "Destroying stale temporary container " + cid);
12796                    PackageHelper.destroySdDir(cid);
12797                } else {
12798                    Log.w(TAG, "Container " + cid + " is stale");
12799               }
12800           }
12801        }
12802    }
12803
12804   /*
12805     * Utility method to unload a list of specified containers
12806     */
12807    private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) {
12808        // Just unmount all valid containers.
12809        for (AsecInstallArgs arg : cidArgs) {
12810            synchronized (mInstallLock) {
12811                arg.doPostDeleteLI(false);
12812           }
12813       }
12814   }
12815
12816    /*
12817     * Unload packages mounted on external media. This involves deleting package
12818     * data from internal structures, sending broadcasts about diabled packages,
12819     * gc'ing to free up references, unmounting all secure containers
12820     * corresponding to packages on external media, and posting a
12821     * UPDATED_MEDIA_STATUS message if status has been requested. Please note
12822     * that we always have to post this message if status has been requested no
12823     * matter what.
12824     */
12825    private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[],
12826            final boolean reportStatus) {
12827        if (DEBUG_SD_INSTALL)
12828            Log.i(TAG, "unloading media packages");
12829        ArrayList<String> pkgList = new ArrayList<String>();
12830        ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>();
12831        final Set<AsecInstallArgs> keys = processCids.keySet();
12832        for (AsecInstallArgs args : keys) {
12833            String pkgName = args.getPackageName();
12834            if (DEBUG_SD_INSTALL)
12835                Log.i(TAG, "Trying to unload pkg : " + pkgName);
12836            // Delete package internally
12837            PackageRemovedInfo outInfo = new PackageRemovedInfo();
12838            synchronized (mInstallLock) {
12839                boolean res = deletePackageLI(pkgName, null, false, null, null,
12840                        PackageManager.DELETE_KEEP_DATA, outInfo, false);
12841                if (res) {
12842                    pkgList.add(pkgName);
12843                } else {
12844                    Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName);
12845                    failedList.add(args);
12846                }
12847            }
12848        }
12849
12850        // reader
12851        synchronized (mPackages) {
12852            // We didn't update the settings after removing each package;
12853            // write them now for all packages.
12854            mSettings.writeLPr();
12855        }
12856
12857        // We have to absolutely send UPDATED_MEDIA_STATUS only
12858        // after confirming that all the receivers processed the ordered
12859        // broadcast when packages get disabled, force a gc to clean things up.
12860        // and unload all the containers.
12861        if (pkgList.size() > 0) {
12862            sendResourcesChangedBroadcast(false, false, pkgList, uidArr,
12863                    new IIntentReceiver.Stub() {
12864                public void performReceive(Intent intent, int resultCode, String data,
12865                        Bundle extras, boolean ordered, boolean sticky,
12866                        int sendingUser) throws RemoteException {
12867                    Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
12868                            reportStatus ? 1 : 0, 1, keys);
12869                    mHandler.sendMessage(msg);
12870                }
12871            });
12872        } else {
12873            Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1,
12874                    keys);
12875            mHandler.sendMessage(msg);
12876        }
12877    }
12878
12879    /** Binder call */
12880    @Override
12881    public void movePackage(final String packageName, final IPackageMoveObserver observer,
12882            final int flags) {
12883        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
12884        UserHandle user = new UserHandle(UserHandle.getCallingUserId());
12885        int returnCode = PackageManager.MOVE_SUCCEEDED;
12886        int currFlags = 0;
12887        int newFlags = 0;
12888        // reader
12889        synchronized (mPackages) {
12890            PackageParser.Package pkg = mPackages.get(packageName);
12891            if (pkg == null) {
12892                returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
12893            } else {
12894                // Disable moving fwd locked apps and system packages
12895                if (pkg.applicationInfo != null && isSystemApp(pkg)) {
12896                    Slog.w(TAG, "Cannot move system application");
12897                    returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE;
12898                } else if (pkg.mOperationPending) {
12899                    Slog.w(TAG, "Attempt to move package which has pending operations");
12900                    returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING;
12901                } else {
12902                    // Find install location first
12903                    if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0
12904                            && (flags & PackageManager.MOVE_INTERNAL) != 0) {
12905                        Slog.w(TAG, "Ambigous flags specified for move location.");
12906                        returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION;
12907                    } else {
12908                        newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL
12909                                : PackageManager.INSTALL_INTERNAL;
12910                        currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL
12911                                : PackageManager.INSTALL_INTERNAL;
12912
12913                        if (newFlags == currFlags) {
12914                            Slog.w(TAG, "No move required. Trying to move to same location");
12915                            returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION;
12916                        } else {
12917                            if (isForwardLocked(pkg)) {
12918                                currFlags |= PackageManager.INSTALL_FORWARD_LOCK;
12919                                newFlags |= PackageManager.INSTALL_FORWARD_LOCK;
12920                            }
12921                        }
12922                    }
12923                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
12924                        pkg.mOperationPending = true;
12925                    }
12926                }
12927            }
12928
12929            /*
12930             * TODO this next block probably shouldn't be inside the lock. We
12931             * can't guarantee these won't change after this is fired off
12932             * anyway.
12933             */
12934            if (returnCode != PackageManager.MOVE_SUCCEEDED) {
12935                processPendingMove(new MoveParams(null, observer, 0, packageName, null, -1, user, false),
12936                        returnCode);
12937            } else {
12938                Message msg = mHandler.obtainMessage(INIT_COPY);
12939                final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo);
12940                final boolean multiArch = isMultiArch(pkg.applicationInfo);
12941                InstallArgs srcArgs = createInstallArgsForExisting(currFlags,
12942                        pkg.applicationInfo.getCodePath(), pkg.applicationInfo.getResourcePath(),
12943                        pkg.applicationInfo.nativeLibraryRootDir, instructionSets, multiArch);
12944                MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName,
12945                        instructionSets, pkg.applicationInfo.uid, user, multiArch);
12946                msg.obj = mp;
12947                mHandler.sendMessage(msg);
12948            }
12949        }
12950    }
12951
12952    private void processPendingMove(final MoveParams mp, final int currentStatus) {
12953        // Queue up an async operation since the package deletion may take a
12954        // little while.
12955        mHandler.post(new Runnable() {
12956            public void run() {
12957                // TODO fix this; this does nothing.
12958                mHandler.removeCallbacks(this);
12959                int returnCode = currentStatus;
12960                if (currentStatus == PackageManager.MOVE_SUCCEEDED) {
12961                    int uidArr[] = null;
12962                    ArrayList<String> pkgList = null;
12963                    synchronized (mPackages) {
12964                        PackageParser.Package pkg = mPackages.get(mp.packageName);
12965                        if (pkg == null) {
12966                            Slog.w(TAG, " Package " + mp.packageName
12967                                    + " doesn't exist. Aborting move");
12968                            returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
12969                        } else if (!mp.srcArgs.getCodePath().equals(
12970                                pkg.applicationInfo.getCodePath())) {
12971                            Slog.w(TAG, "Package " + mp.packageName + " code path changed from "
12972                                    + mp.srcArgs.getCodePath() + " to "
12973                                    + pkg.applicationInfo.getCodePath()
12974                                    + " Aborting move and returning error");
12975                            returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
12976                        } else {
12977                            uidArr = new int[] {
12978                                pkg.applicationInfo.uid
12979                            };
12980                            pkgList = new ArrayList<String>();
12981                            pkgList.add(mp.packageName);
12982                        }
12983                    }
12984                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
12985                        // Send resources unavailable broadcast
12986                        sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null);
12987                        // Update package code and resource paths
12988                        synchronized (mInstallLock) {
12989                            synchronized (mPackages) {
12990                                PackageParser.Package pkg = mPackages.get(mp.packageName);
12991                                // Recheck for package again.
12992                                if (pkg == null) {
12993                                    Slog.w(TAG, " Package " + mp.packageName
12994                                            + " doesn't exist. Aborting move");
12995                                    returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
12996                                } else if (!mp.srcArgs.getCodePath().equals(
12997                                        pkg.applicationInfo.getCodePath())) {
12998                                    Slog.w(TAG, "Package " + mp.packageName
12999                                            + " code path changed from " + mp.srcArgs.getCodePath()
13000                                            + " to " + pkg.applicationInfo.getCodePath()
13001                                            + " Aborting move and returning error");
13002                                    returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
13003                                } else {
13004                                    final String oldCodePath = pkg.codePath;
13005                                    final String newCodePath = mp.targetArgs.getCodePath();
13006                                    final String newResPath = mp.targetArgs.getResourcePath();
13007                                    // TODO: This assumes the new style of installation.
13008                                    // should we look at legacyNativeLibraryPath ?
13009                                    final String newNativeRoot = new File(pkg.codePath, LIB_DIR_NAME).getAbsolutePath();
13010                                    final File newNativeDir = new File(newNativeRoot);
13011
13012                                    if (!isForwardLocked(pkg) && !isExternal(pkg)) {
13013                                        // TODO(multiArch): Fix this so that it looks at the existing
13014                                        // recorded CPU abis from the package. There's no need for a separate
13015                                        // round of ABI scanning here.
13016                                        NativeLibraryHelper.Handle handle = null;
13017                                        try {
13018                                            handle = NativeLibraryHelper.Handle.create(
13019                                                    new File(newCodePath));
13020                                            final int abi = NativeLibraryHelper.findSupportedAbi(
13021                                                    handle, Build.SUPPORTED_ABIS);
13022                                            if (abi >= 0) {
13023                                                NativeLibraryHelper.copyNativeBinariesIfNeededLI(
13024                                                        handle, newNativeDir, Build.SUPPORTED_ABIS[abi]);
13025                                            }
13026                                        } catch (IOException ioe) {
13027                                            Slog.w(TAG, "Unable to extract native libs for package :"
13028                                                    + mp.packageName, ioe);
13029                                            returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
13030                                        } finally {
13031                                            IoUtils.closeQuietly(handle);
13032                                        }
13033                                    }
13034
13035                                    final int[] users = sUserManager.getUserIds();
13036                                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
13037                                        for (int user : users) {
13038                                            // TODO(multiArch): Fix this so that it links to the
13039                                            // correct directory. We're currently pointing to root. but we
13040                                            // must point to the arch specific subdirectory (if applicable).
13041                                            //
13042                                            // TODO(multiArch): Bogus reference to nativeLibraryDir.
13043                                            if (mInstaller.linkNativeLibraryDirectory(pkg.packageName,
13044                                                    newNativeRoot, user) < 0) {
13045                                                returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
13046                                            }
13047                                        }
13048                                    }
13049
13050                                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
13051                                        pkg.codePath = newCodePath;
13052                                        pkg.baseCodePath = newCodePath;
13053                                        // Move dex files around
13054                                        if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) {
13055                                            // Moving of dex files failed. Set
13056                                            // error code and abort move.
13057                                            pkg.codePath = oldCodePath;
13058                                            pkg.baseCodePath = oldCodePath;
13059                                            returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
13060                                        }
13061                                    }
13062
13063                                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
13064                                        pkg.applicationInfo.setCodePath(newCodePath);
13065                                        pkg.applicationInfo.setBaseCodePath(newCodePath);
13066                                        pkg.applicationInfo.setSplitCodePaths(null);
13067                                        pkg.applicationInfo.setResourcePath(newResPath);
13068                                        pkg.applicationInfo.setBaseResourcePath(newResPath);
13069                                        pkg.applicationInfo.setSplitResourcePaths(null);
13070
13071                                        PackageSetting ps = (PackageSetting) pkg.mExtras;
13072                                        ps.codePath = new File(pkg.applicationInfo.getCodePath());
13073                                        ps.codePathString = ps.codePath.getPath();
13074                                        ps.resourcePath = new File(pkg.applicationInfo.getResourcePath());
13075                                        ps.resourcePathString = ps.resourcePath.getPath();
13076
13077                                        // Note that we don't have to recalculate the primary and secondary
13078                                        // CPU ABIs because they must already have been calculated during the
13079                                        // initial install of the app.
13080                                        ps.legacyNativeLibraryPathString = null;
13081
13082                                        // Set the application info flag
13083                                        // correctly.
13084                                        if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) {
13085                                            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE;
13086                                        } else {
13087                                            pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE;
13088                                        }
13089                                        ps.setFlags(pkg.applicationInfo.flags);
13090                                        mAppDirs.remove(oldCodePath);
13091                                        mAppDirs.put(newCodePath, pkg);
13092                                        // Persist settings
13093                                        mSettings.writeLPr();
13094                                    }
13095                                }
13096                            }
13097                        }
13098                        // Send resources available broadcast
13099                        sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null);
13100                    }
13101                }
13102                if (returnCode != PackageManager.MOVE_SUCCEEDED) {
13103                    // Clean up failed installation
13104                    if (mp.targetArgs != null) {
13105                        mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR,
13106                                -1);
13107                    }
13108                } else {
13109                    // Force a gc to clear things up.
13110                    Runtime.getRuntime().gc();
13111                    // Delete older code
13112                    synchronized (mInstallLock) {
13113                        mp.srcArgs.doPostDeleteLI(true);
13114                    }
13115                }
13116
13117                // Allow more operations on this file if we didn't fail because
13118                // an operation was already pending for this package.
13119                if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) {
13120                    synchronized (mPackages) {
13121                        PackageParser.Package pkg = mPackages.get(mp.packageName);
13122                        if (pkg != null) {
13123                            pkg.mOperationPending = false;
13124                       }
13125                   }
13126                }
13127
13128                IPackageMoveObserver observer = mp.observer;
13129                if (observer != null) {
13130                    try {
13131                        observer.packageMoved(mp.packageName, returnCode);
13132                    } catch (RemoteException e) {
13133                        Log.i(TAG, "Observer no longer exists.");
13134                    }
13135                }
13136            }
13137        });
13138    }
13139
13140    @Override
13141    public boolean setInstallLocation(int loc) {
13142        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS,
13143                null);
13144        if (getInstallLocation() == loc) {
13145            return true;
13146        }
13147        if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL
13148                || loc == PackageHelper.APP_INSTALL_EXTERNAL) {
13149            android.provider.Settings.Global.putInt(mContext.getContentResolver(),
13150                    android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc);
13151            return true;
13152        }
13153        return false;
13154   }
13155
13156    @Override
13157    public int getInstallLocation() {
13158        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
13159                android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION,
13160                PackageHelper.APP_INSTALL_AUTO);
13161    }
13162
13163    /** Called by UserManagerService */
13164    void cleanUpUserLILPw(int userHandle) {
13165        mDirtyUsers.remove(userHandle);
13166        mSettings.removeUserLPw(userHandle);
13167        mPendingBroadcasts.remove(userHandle);
13168        if (mInstaller != null) {
13169            // Technically, we shouldn't be doing this with the package lock
13170            // held.  However, this is very rare, and there is already so much
13171            // other disk I/O going on, that we'll let it slide for now.
13172            mInstaller.removeUserDataDirs(userHandle);
13173        }
13174        mUserNeedsBadging.delete(userHandle);
13175    }
13176
13177    /** Called by UserManagerService */
13178    void createNewUserLILPw(int userHandle, File path) {
13179        if (mInstaller != null) {
13180            mInstaller.createUserConfig(userHandle);
13181            mSettings.createNewUserLILPw(this, mInstaller, userHandle, path);
13182        }
13183    }
13184
13185    @Override
13186    public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException {
13187        mContext.enforceCallingOrSelfPermission(
13188                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
13189                "Only package verification agents can read the verifier device identity");
13190
13191        synchronized (mPackages) {
13192            return mSettings.getVerifierDeviceIdentityLPw();
13193        }
13194    }
13195
13196    @Override
13197    public void setPermissionEnforced(String permission, boolean enforced) {
13198        mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null);
13199        if (READ_EXTERNAL_STORAGE.equals(permission)) {
13200            synchronized (mPackages) {
13201                if (mSettings.mReadExternalStorageEnforced == null
13202                        || mSettings.mReadExternalStorageEnforced != enforced) {
13203                    mSettings.mReadExternalStorageEnforced = enforced;
13204                    mSettings.writeLPr();
13205                }
13206            }
13207            // kill any non-foreground processes so we restart them and
13208            // grant/revoke the GID.
13209            final IActivityManager am = ActivityManagerNative.getDefault();
13210            if (am != null) {
13211                final long token = Binder.clearCallingIdentity();
13212                try {
13213                    am.killProcessesBelowForeground("setPermissionEnforcement");
13214                } catch (RemoteException e) {
13215                } finally {
13216                    Binder.restoreCallingIdentity(token);
13217                }
13218            }
13219        } else {
13220            throw new IllegalArgumentException("No selective enforcement for " + permission);
13221        }
13222    }
13223
13224    @Override
13225    @Deprecated
13226    public boolean isPermissionEnforced(String permission) {
13227        return true;
13228    }
13229
13230    @Override
13231    public boolean isStorageLow() {
13232        final long token = Binder.clearCallingIdentity();
13233        try {
13234            final DeviceStorageMonitorInternal
13235                    dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
13236            if (dsm != null) {
13237                return dsm.isMemoryLow();
13238            } else {
13239                return false;
13240            }
13241        } finally {
13242            Binder.restoreCallingIdentity(token);
13243        }
13244    }
13245
13246    @Override
13247    public IPackageInstaller getPackageInstaller() {
13248        return mInstallerService;
13249    }
13250
13251    private boolean userNeedsBadging(int userId) {
13252        int index = mUserNeedsBadging.indexOfKey(userId);
13253        if (index < 0) {
13254            final UserInfo userInfo;
13255            final long token = Binder.clearCallingIdentity();
13256            try {
13257                userInfo = sUserManager.getUserInfo(userId);
13258            } finally {
13259                Binder.restoreCallingIdentity(token);
13260            }
13261            final boolean b;
13262            if (userInfo != null && userInfo.isManagedProfile()) {
13263                b = true;
13264            } else {
13265                b = false;
13266            }
13267            mUserNeedsBadging.put(userId, b);
13268            return b;
13269        }
13270        return mUserNeedsBadging.valueAt(index);
13271    }
13272}
13273