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android / platform / frameworks / base / c3cd7b1585e7ca2b3b1c9ea2ea7a9971c4b0be01 / . / services / core / java / com / android / server / pm / PackageManagerService.java
blob: 5977a1b6103e0c0cd3e1e6e0552c4cf631c8ec4f [file] [log] [blame]
/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.pm;
import static android.Manifest.permission.READ_EXTERNAL_STORAGE;
import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE;
import static android.Manifest.permission.WRITE_MEDIA_STORAGE;
import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED;
import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER;
import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT;
import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED;
import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE;
import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED;
import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED;
import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET;
import static android.content.pm.PackageManager.INSTALL_EXTERNAL;
import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER;
import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT;
import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE;
import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION;
import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK;
import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY;
import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED;
import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE;
import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE;
import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY;
import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED;
import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE;
import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED;
import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE;
import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK;
import static android.content.pm.PackageManager.INSTALL_INTERNAL;
import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES;
import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS;
import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK;
import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER;
import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED;
import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK;
import static android.content.pm.PackageManager.MATCH_ALL;
import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST;
import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR;
import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING;
import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE;
import static android.content.pm.PackageManager.PERMISSION_DENIED;
import static android.content.pm.PackageManager.PERMISSION_GRANTED;
import static android.content.pm.PackageParser.isApkFile;
import static android.os.Process.PACKAGE_INFO_GID;
import static android.os.Process.SYSTEM_UID;
import static android.system.OsConstants.O_CREAT;
import static android.system.OsConstants.O_RDWR;
import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE;
import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER;
import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME;
import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME;
import static com.android.internal.util.ArrayUtils.appendInt;
import static com.android.server.pm.InstructionSets.getAppDexInstructionSets;
import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet;
import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets;
import static com.android.server.pm.InstructionSets.getPreferredInstructionSet;
import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet;
import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE;
import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS;
import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED;
import android.Manifest;
import android.app.ActivityManager;
import android.app.ActivityManagerNative;
import android.app.AppGlobals;
import android.app.IActivityManager;
import android.app.admin.IDevicePolicyManager;
import android.app.backup.IBackupManager;
import android.app.usage.UsageStats;
import android.app.usage.UsageStatsManager;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.IIntentReceiver;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.IntentSender;
import android.content.IntentSender.SendIntentException;
import android.content.ServiceConnection;
import android.content.pm.ActivityInfo;
import android.content.pm.ApplicationInfo;
import android.content.pm.FeatureInfo;
import android.content.pm.IOnPermissionsChangeListener;
import android.content.pm.IPackageDataObserver;
import android.content.pm.IPackageDeleteObserver;
import android.content.pm.IPackageDeleteObserver2;
import android.content.pm.IPackageInstallObserver2;
import android.content.pm.IPackageInstaller;
import android.content.pm.IPackageManager;
import android.content.pm.IPackageMoveObserver;
import android.content.pm.IPackageStatsObserver;
import android.content.pm.InstrumentationInfo;
import android.content.pm.IntentFilterVerificationInfo;
import android.content.pm.KeySet;
import android.content.pm.ManifestDigest;
import android.content.pm.PackageCleanItem;
import android.content.pm.PackageInfo;
import android.content.pm.PackageInfoLite;
import android.content.pm.PackageInstaller;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.LegacyPackageDeleteObserver;
import android.content.pm.PackageManagerInternal;
import android.content.pm.PackageParser;
import android.content.pm.PackageParser.ActivityIntentInfo;
import android.content.pm.PackageParser.PackageLite;
import android.content.pm.PackageParser.PackageParserException;
import android.content.pm.PackageStats;
import android.content.pm.PackageUserState;
import android.content.pm.ParceledListSlice;
import android.content.pm.PermissionGroupInfo;
import android.content.pm.PermissionInfo;
import android.content.pm.ProviderInfo;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.content.pm.Signature;
import android.content.pm.UserInfo;
import android.content.pm.VerificationParams;
import android.content.pm.VerifierDeviceIdentity;
import android.content.pm.VerifierInfo;
import android.content.res.Resources;
import android.hardware.display.DisplayManager;
import android.net.Uri;
import android.os.Debug;
import android.os.Binder;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.os.Environment.UserEnvironment;
import android.os.FileUtils;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
import android.os.Parcel;
import android.os.ParcelFileDescriptor;
import android.os.Process;
import android.os.RemoteCallbackList;
import android.os.RemoteException;
import android.os.SELinux;
import android.os.ServiceManager;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.os.UserHandle;
import android.os.UserManager;
import android.os.storage.IMountService;
import android.os.storage.MountServiceInternal;
import android.os.storage.StorageEventListener;
import android.os.storage.StorageManager;
import android.os.storage.VolumeInfo;
import android.os.storage.VolumeRecord;
import android.security.KeyStore;
import android.security.SystemKeyStore;
import android.system.ErrnoException;
import android.system.Os;
import android.system.StructStat;
import android.text.TextUtils;
import android.text.format.DateUtils;
import android.util.ArrayMap;
import android.util.ArraySet;
import android.util.AtomicFile;
import android.util.DisplayMetrics;
import android.util.EventLog;
import android.util.ExceptionUtils;
import android.util.Log;
import android.util.LogPrinter;
import android.util.MathUtils;
import android.util.PrintStreamPrinter;
import android.util.Slog;
import android.util.SparseArray;
import android.util.SparseBooleanArray;
import android.util.SparseIntArray;
import android.util.Xml;
import android.view.Display;
import dalvik.system.DexFile;
import dalvik.system.VMRuntime;
import libcore.io.IoUtils;
import libcore.util.EmptyArray;
import com.android.internal.R;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.app.IMediaContainerService;
import com.android.internal.app.ResolverActivity;
import com.android.internal.content.NativeLibraryHelper;
import com.android.internal.content.PackageHelper;
import com.android.internal.os.IParcelFileDescriptorFactory;
import com.android.internal.os.SomeArgs;
import com.android.internal.os.Zygote;
import com.android.internal.util.ArrayUtils;
import com.android.internal.util.FastPrintWriter;
import com.android.internal.util.FastXmlSerializer;
import com.android.internal.util.IndentingPrintWriter;
import com.android.internal.util.Preconditions;
import com.android.server.EventLogTags;
import com.android.server.FgThread;
import com.android.server.IntentResolver;
import com.android.server.LocalServices;
import com.android.server.ServiceThread;
import com.android.server.SystemConfig;
import com.android.server.Watchdog;
import com.android.server.pm.PermissionsState.PermissionState;
import com.android.server.pm.Settings.DatabaseVersion;
import com.android.server.pm.Settings.VersionInfo;
import com.android.server.storage.DeviceStorageMonitorInternal;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlSerializer;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FilenameFilter;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.nio.charset.StandardCharsets;
import java.security.NoSuchAlgorithmException;
import java.security.PublicKey;
import java.security.cert.CertificateEncodingException;
import java.security.cert.CertificateException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
/**
* Keep track of all those .apks everywhere.
*
* This is very central to the platform's security; please run the unit
* tests whenever making modifications here:
*
mmm frameworks/base/tests/AndroidTests
adb install -r -f out/target/product/passion/data/app/AndroidTests.apk
adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner
*
* {@hide}
*/
public class PackageManagerService extends IPackageManager.Stub {
static final String TAG = "PackageManager";
static final boolean DEBUG_SETTINGS = false;
static final boolean DEBUG_PREFERRED = false;
static final boolean DEBUG_UPGRADE = false;
static final boolean DEBUG_DOMAIN_VERIFICATION = false;
private static final boolean DEBUG_BACKUP = false;
private static final boolean DEBUG_INSTALL = false;
private static final boolean DEBUG_REMOVE = false;
private static final boolean DEBUG_BROADCASTS = false;
private static final boolean DEBUG_SHOW_INFO = false;
private static final boolean DEBUG_PACKAGE_INFO = false;
private static final boolean DEBUG_INTENT_MATCHING = false;
private static final boolean DEBUG_PACKAGE_SCANNING = false;
private static final boolean DEBUG_VERIFY = false;
private static final boolean DEBUG_DEXOPT = false;
private static final boolean DEBUG_ABI_SELECTION = false;
static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false;
private static final int RADIO_UID = Process.PHONE_UID;
private static final int LOG_UID = Process.LOG_UID;
private static final int NFC_UID = Process.NFC_UID;
private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID;
private static final int SHELL_UID = Process.SHELL_UID;
// Cap the size of permission trees that 3rd party apps can define
private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text
// Suffix used during package installation when copying/moving
// package apks to install directory.
private static final String INSTALL_PACKAGE_SUFFIX = "-";
static final int SCAN_NO_DEX = 1<<1;
static final int SCAN_FORCE_DEX = 1<<2;
static final int SCAN_UPDATE_SIGNATURE = 1<<3;
static final int SCAN_NEW_INSTALL = 1<<4;
static final int SCAN_NO_PATHS = 1<<5;
static final int SCAN_UPDATE_TIME = 1<<6;
static final int SCAN_DEFER_DEX = 1<<7;
static final int SCAN_BOOTING = 1<<8;
static final int SCAN_TRUSTED_OVERLAY = 1<<9;
static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10;
static final int SCAN_REPLACING = 1<<11;
static final int SCAN_REQUIRE_KNOWN = 1<<12;
static final int SCAN_MOVE = 1<<13;
static final int SCAN_INITIAL = 1<<14;
static final int REMOVE_CHATTY = 1<<16;
private static final int[] EMPTY_INT_ARRAY = new int[0];
/**
* Timeout (in milliseconds) after which the watchdog should declare that
* our handler thread is wedged. The usual default for such things is one
* minute but we sometimes do very lengthy I/O operations on this thread,
* such as installing multi-gigabyte applications, so ours needs to be longer.
*/
private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes
/**
* Wall-clock timeout (in milliseconds) after which we *require* that an fstrim
* be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL
* settings entry if available, otherwise we use the hardcoded default. If it's been
* more than this long since the last fstrim, we force one during the boot sequence.
*
* This backstops other fstrim scheduling: if the device is alive at midnight+idle,
* one gets run at the next available charging+idle time. This final mandatory
* no-fstrim check kicks in only of the other scheduling criteria is never met.
*/
private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS;
/**
* Whether verification is enabled by default.
*/
private static final boolean DEFAULT_VERIFY_ENABLE = true;
/**
* The default maximum time to wait for the verification agent to return in
* milliseconds.
*/
private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000;
/**
* The default response for package verification timeout.
*
* This can be either PackageManager.VERIFICATION_ALLOW or
* PackageManager.VERIFICATION_REJECT.
*/
private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW;
static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer";
static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName(
DEFAULT_CONTAINER_PACKAGE,
"com.android.defcontainer.DefaultContainerService");
private static final String KILL_APP_REASON_GIDS_CHANGED =
"permission grant or revoke changed gids";
private static final String KILL_APP_REASON_PERMISSIONS_REVOKED =
"permissions revoked";
private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay";
/** Permission grant: not grant the permission. */
private static final int GRANT_DENIED = 1;
/** Permission grant: grant the permission as an install permission. */
private static final int GRANT_INSTALL = 2;
/** Permission grant: grant the permission as an install permission for a legacy app. */
private static final int GRANT_INSTALL_LEGACY = 3;
/** Permission grant: grant the permission as a runtime one. */
private static final int GRANT_RUNTIME = 4;
/** Permission grant: grant as runtime a permission that was granted as an install time one. */
private static final int GRANT_UPGRADE = 5;
/** Canonical intent used to identify what counts as a "web browser" app */
private static final Intent sBrowserIntent;
static {
sBrowserIntent = new Intent();
sBrowserIntent.setAction(Intent.ACTION_VIEW);
sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE);
sBrowserIntent.setData(Uri.parse("http:"));
}
final ServiceThread mHandlerThread;
final PackageHandler mHandler;
/**
* Messages for {@link #mHandler} that need to wait for system ready before
* being dispatched.
*/
private ArrayList<Message> mPostSystemReadyMessages;
final int mSdkVersion = Build.VERSION.SDK_INT;
final Context mContext;
final boolean mFactoryTest;
final boolean mOnlyCore;
final boolean mLazyDexOpt;
final long mDexOptLRUThresholdInMills;
final DisplayMetrics mMetrics;
final int mDefParseFlags;
final String[] mSeparateProcesses;
final boolean mIsUpgrade;
// This is where all application persistent data goes.
final File mAppDataDir;
// This is where all application persistent data goes for secondary users.
final File mUserAppDataDir;
/** The location for ASEC container files on internal storage. */
final String mAsecInternalPath;
// Used for privilege escalation. MUST NOT BE CALLED WITH mPackages
// LOCK HELD. Can be called with mInstallLock held.
@GuardedBy("mInstallLock")
final Installer mInstaller;
/** Directory where installed third-party apps stored */
final File mAppInstallDir;
/**
* Directory to which applications installed internally have their
* 32 bit native libraries copied.
*/
private File mAppLib32InstallDir;
// Directory containing the private parts (e.g. code and non-resource assets) of forward-locked
// apps.
final File mDrmAppPrivateInstallDir;
// ----------------------------------------------------------------
// Lock for state used when installing and doing other long running
// operations. Methods that must be called with this lock held have
// the suffix "LI".
final Object mInstallLock = new Object();
// ----------------------------------------------------------------
// Keys are String (package name), values are Package. This also serves
// as the lock for the global state. Methods that must be called with
// this lock held have the prefix "LP".
@GuardedBy("mPackages")
final ArrayMap<String, PackageParser.Package> mPackages =
new ArrayMap<String, PackageParser.Package>();
// Tracks available target package names -> overlay package paths.
final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays =
new ArrayMap<String, ArrayMap<String, PackageParser.Package>>();
/**
* Tracks new system packages [received in an OTA] that we expect to
* find updated user-installed versions. Keys are package name, values
* are package location.
*/
final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>();
/**
* Tracks existing system packages prior to receiving an OTA. Keys are package name.
*/
final private ArraySet<String> mExistingSystemPackages = new ArraySet<>();
/**
* Whether or not system app permissions should be promoted from install to runtime.
*/
boolean mPromoteSystemApps;
final Settings mSettings;
boolean mRestoredSettings;
// System configuration read by SystemConfig.
final int[] mGlobalGids;
final SparseArray<ArraySet<String>> mSystemPermissions;
final ArrayMap<String, FeatureInfo> mAvailableFeatures;
// If mac_permissions.xml was found for seinfo labeling.
boolean mFoundPolicyFile;
// If a recursive restorecon of /data/data/<pkg> is needed.
private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon();
public static final class SharedLibraryEntry {
public final String path;
public final String apk;
SharedLibraryEntry(String _path, String _apk) {
path = _path;
apk = _apk;
}
}
// Currently known shared libraries.
final ArrayMap<String, SharedLibraryEntry> mSharedLibraries =
new ArrayMap<String, SharedLibraryEntry>();
// All available activities, for your resolving pleasure.
final ActivityIntentResolver mActivities =
new ActivityIntentResolver();
// All available receivers, for your resolving pleasure.
final ActivityIntentResolver mReceivers =
new ActivityIntentResolver();
// All available services, for your resolving pleasure.
final ServiceIntentResolver mServices = new ServiceIntentResolver();
// All available providers, for your resolving pleasure.
final ProviderIntentResolver mProviders = new ProviderIntentResolver();
// Mapping from provider base names (first directory in content URI codePath)
// to the provider information.
final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority =
new ArrayMap<String, PackageParser.Provider>();
// Mapping from instrumentation class names to info about them.
final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation =
new ArrayMap<ComponentName, PackageParser.Instrumentation>();
// Mapping from permission names to info about them.
final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups =
new ArrayMap<String, PackageParser.PermissionGroup>();
// Packages whose data we have transfered into another package, thus
// should no longer exist.
final ArraySet<String> mTransferedPackages = new ArraySet<String>();
// Broadcast actions that are only available to the system.
final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>();
/** List of packages waiting for verification. */
final SparseArray<PackageVerificationState> mPendingVerification
= new SparseArray<PackageVerificationState>();
/** Set of packages associated with each app op permission. */
final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>();
final PackageInstallerService mInstallerService;
private final PackageDexOptimizer mPackageDexOptimizer;
private AtomicInteger mNextMoveId = new AtomicInteger();
private final MoveCallbacks mMoveCallbacks;
private final OnPermissionChangeListeners mOnPermissionChangeListeners;
// Cache of users who need badging.
SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray();
/** Token for keys in mPendingVerification. */
private int mPendingVerificationToken = 0;
volatile boolean mSystemReady;
volatile boolean mSafeMode;
volatile boolean mHasSystemUidErrors;
ApplicationInfo mAndroidApplication;
final ActivityInfo mResolveActivity = new ActivityInfo();
final ResolveInfo mResolveInfo = new ResolveInfo();
ComponentName mResolveComponentName;
PackageParser.Package mPlatformPackage;
ComponentName mCustomResolverComponentName;
boolean mResolverReplaced = false;
private final ComponentName mIntentFilterVerifierComponent;
private int mIntentFilterVerificationToken = 0;
final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates
= new SparseArray<IntentFilterVerificationState>();
final DefaultPermissionGrantPolicy mDefaultPermissionPolicy =
new DefaultPermissionGrantPolicy(this);
private static class IFVerificationParams {
PackageParser.Package pkg;
boolean replacing;
int userId;
int verifierUid;
public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing,
int _userId, int _verifierUid) {
pkg = _pkg;
replacing = _replacing;
userId = _userId;
replacing = _replacing;
verifierUid = _verifierUid;
}
}
private interface IntentFilterVerifier<T extends IntentFilter> {
boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId,
T filter, String packageName);
void startVerifications(int userId);
void receiveVerificationResponse(int verificationId);
}
private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> {
private Context mContext;
private ComponentName mIntentFilterVerifierComponent;
private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>();
public IntentVerifierProxy(Context context, ComponentName verifierComponent) {
mContext = context;
mIntentFilterVerifierComponent = verifierComponent;
}
private String getDefaultScheme() {
return IntentFilter.SCHEME_HTTPS;
}
@Override
public void startVerifications(int userId) {
// Launch verifications requests
int count = mCurrentIntentFilterVerifications.size();
for (int n=0; n<count; n++) {
int verificationId = mCurrentIntentFilterVerifications.get(n);
final IntentFilterVerificationState ivs =
mIntentFilterVerificationStates.get(verificationId);
String packageName = ivs.getPackageName();
ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters();
final int filterCount = filters.size();
ArraySet<String> domainsSet = new ArraySet<>();
for (int m=0; m<filterCount; m++) {
PackageParser.ActivityIntentInfo filter = filters.get(m);
domainsSet.addAll(filter.getHostsList());
}
ArrayList<String> domainsList = new ArrayList<>(domainsSet);
synchronized (mPackages) {
if (mSettings.createIntentFilterVerificationIfNeededLPw(
packageName, domainsList) != null) {
scheduleWriteSettingsLocked();
}
}
sendVerificationRequest(userId, verificationId, ivs);
}
mCurrentIntentFilterVerifications.clear();
}
private void sendVerificationRequest(int userId, int verificationId,
IntentFilterVerificationState ivs) {
Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION);
verificationIntent.putExtra(
PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID,
verificationId);
verificationIntent.putExtra(
PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME,
getDefaultScheme());
verificationIntent.putExtra(
PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS,
ivs.getHostsString());
verificationIntent.putExtra(
PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME,
ivs.getPackageName());
verificationIntent.setComponent(mIntentFilterVerifierComponent);
verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
UserHandle user = new UserHandle(userId);
mContext.sendBroadcastAsUser(verificationIntent, user);
if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
"Sending IntentFilter verification broadcast");
}
public void receiveVerificationResponse(int verificationId) {
IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId);
final boolean verified = ivs.isVerified();
ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters();
final int count = filters.size();
if (DEBUG_DOMAIN_VERIFICATION) {
Slog.i(TAG, "Received verification response " + verificationId
+ " for " + count + " filters, verified=" + verified);
}
for (int n=0; n<count; n++) {
PackageParser.ActivityIntentInfo filter = filters.get(n);
filter.setVerified(verified);
if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString()
+ " verified with result:" + verified + " and hosts:"
+ ivs.getHostsString());
}
mIntentFilterVerificationStates.remove(verificationId);
final String packageName = ivs.getPackageName();
IntentFilterVerificationInfo ivi = null;
synchronized (mPackages) {
ivi = mSettings.getIntentFilterVerificationLPr(packageName);
}
if (ivi == null) {
Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:"
+ verificationId + " packageName:" + packageName);
return;
}
if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
"Updating IntentFilterVerificationInfo for package " + packageName
+" verificationId:" + verificationId);
synchronized (mPackages) {
if (verified) {
ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS);
} else {
ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK);
}
scheduleWriteSettingsLocked();
final int userId = ivs.getUserId();
if (userId != UserHandle.USER_ALL) {
final int userStatus =
mSettings.getIntentFilterVerificationStatusLPr(packageName, userId);
int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED;
boolean needUpdate = false;
// We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have
// already been set by the User thru the Disambiguation dialog
switch (userStatus) {
case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED:
if (verified) {
updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS;
} else {
updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK;
}
needUpdate = true;
break;
case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK:
if (verified) {
updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS;
needUpdate = true;
}
break;
default:
// Nothing to do
}
if (needUpdate) {
mSettings.updateIntentFilterVerificationStatusLPw(
packageName, updatedStatus, userId);
scheduleWritePackageRestrictionsLocked(userId);
}
}
}
}
@Override
public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId,
ActivityIntentInfo filter, String packageName) {
if (!hasValidDomains(filter)) {
return false;
}
IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId);
if (ivs == null) {
ivs = createDomainVerificationState(verifierUid, userId, verificationId,
packageName);
}
if (DEBUG_DOMAIN_VERIFICATION) {
Slog.d(TAG, "Adding verification filter for " + packageName + " : " + filter);
}
ivs.addFilter(filter);
return true;
}
private IntentFilterVerificationState createDomainVerificationState(int verifierUid,
int userId, int verificationId, String packageName) {
IntentFilterVerificationState ivs = new IntentFilterVerificationState(
verifierUid, userId, packageName);
ivs.setPendingState();
synchronized (mPackages) {
mIntentFilterVerificationStates.append(verificationId, ivs);
mCurrentIntentFilterVerifications.add(verificationId);
}
return ivs;
}
}
private static boolean hasValidDomains(ActivityIntentInfo filter) {
return filter.hasCategory(Intent.CATEGORY_BROWSABLE)
&& (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) ||
filter.hasDataScheme(IntentFilter.SCHEME_HTTPS));
}
private IntentFilterVerifier mIntentFilterVerifier;
// Set of pending broadcasts for aggregating enable/disable of components.
static class PendingPackageBroadcasts {
// for each user id, a map of <package name -> components within that package>
final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap;
public PendingPackageBroadcasts() {
mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2);
}
public ArrayList<String> get(int userId, String packageName) {
ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId);
return packages.get(packageName);
}
public void put(int userId, String packageName, ArrayList<String> components) {
ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId);
packages.put(packageName, components);
}
public void remove(int userId, String packageName) {
ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId);
if (packages != null) {
packages.remove(packageName);
}
}
public void remove(int userId) {
mUidMap.remove(userId);
}
public int userIdCount() {
return mUidMap.size();
}
public int userIdAt(int n) {
return mUidMap.keyAt(n);
}
public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) {
return mUidMap.get(userId);
}
public int size() {
// total number of pending broadcast entries across all userIds
int num = 0;
for (int i = 0; i< mUidMap.size(); i++) {
num += mUidMap.valueAt(i).size();
}
return num;
}
public void clear() {
mUidMap.clear();
}
private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) {
ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId);
if (map == null) {
map = new ArrayMap<String, ArrayList<String>>();
mUidMap.put(userId, map);
}
return map;
}
}
final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts();
// Service Connection to remote media container service to copy
// package uri's from external media onto secure containers
// or internal storage.
private IMediaContainerService mContainerService = null;
static final int SEND_PENDING_BROADCAST = 1;
static final int MCS_BOUND = 3;
static final int END_COPY = 4;
static final int INIT_COPY = 5;
static final int MCS_UNBIND = 6;
static final int START_CLEANING_PACKAGE = 7;
static final int FIND_INSTALL_LOC = 8;
static final int POST_INSTALL = 9;
static final int MCS_RECONNECT = 10;
static final int MCS_GIVE_UP = 11;
static final int UPDATED_MEDIA_STATUS = 12;
static final int WRITE_SETTINGS = 13;
static final int WRITE_PACKAGE_RESTRICTIONS = 14;
static final int PACKAGE_VERIFIED = 15;
static final int CHECK_PENDING_VERIFICATION = 16;
static final int START_INTENT_FILTER_VERIFICATIONS = 17;
static final int INTENT_FILTER_VERIFIED = 18;
static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds
// Delay time in millisecs
static final int BROADCAST_DELAY = 10 * 1000;
static UserManagerService sUserManager;
// Stores a list of users whose package restrictions file needs to be updated
private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>();
final private DefaultContainerConnection mDefContainerConn =
new DefaultContainerConnection();
class DefaultContainerConnection implements ServiceConnection {
public void onServiceConnected(ComponentName name, IBinder service) {
if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected");
IMediaContainerService imcs =
IMediaContainerService.Stub.asInterface(service);
mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs));
}
public void onServiceDisconnected(ComponentName name) {
if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected");
}
}
// Recordkeeping of restore-after-install operations that are currently in flight
// between the Package Manager and the Backup Manager
class PostInstallData {
public InstallArgs args;
public PackageInstalledInfo res;
PostInstallData(InstallArgs _a, PackageInstalledInfo _r) {
args = _a;
res = _r;
}
}
final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>();
int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows
// XML tags for backup/restore of various bits of state
private static final String TAG_PREFERRED_BACKUP = "pa";
private static final String TAG_DEFAULT_APPS = "da";
private static final String TAG_INTENT_FILTER_VERIFICATION = "iv";
final String mRequiredVerifierPackage;
final String mRequiredInstallerPackage;
private final PackageUsage mPackageUsage = new PackageUsage();
private class PackageUsage {
private static final int WRITE_INTERVAL
= (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms
private final Object mFileLock = new Object();
private final AtomicLong mLastWritten = new AtomicLong(0);
private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false);
private boolean mIsHistoricalPackageUsageAvailable = true;
boolean isHistoricalPackageUsageAvailable() {
return mIsHistoricalPackageUsageAvailable;
}
void write(boolean force) {
if (force) {
writeInternal();
return;
}
if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL
&& !DEBUG_DEXOPT) {
return;
}
if (mBackgroundWriteRunning.compareAndSet(false, true)) {
new Thread("PackageUsage_DiskWriter") {
@Override
public void run() {
try {
writeInternal();
} finally {
mBackgroundWriteRunning.set(false);
}
}
}.start();
}
}
private void writeInternal() {
synchronized (mPackages) {
synchronized (mFileLock) {
AtomicFile file = getFile();
FileOutputStream f = null;
try {
f = file.startWrite();
BufferedOutputStream out = new BufferedOutputStream(f);
FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID);
StringBuilder sb = new StringBuilder();
for (PackageParser.Package pkg : mPackages.values()) {
if (pkg.mLastPackageUsageTimeInMills == 0) {
continue;
}
sb.setLength(0);
sb.append(pkg.packageName);
sb.append(' ');
sb.append((long)pkg.mLastPackageUsageTimeInMills);
sb.append('\n');
out.write(sb.toString().getBytes(StandardCharsets.US_ASCII));
}
out.flush();
file.finishWrite(f);
} catch (IOException e) {
if (f != null) {
file.failWrite(f);
}
Log.e(TAG, "Failed to write package usage times", e);
}
}
}
mLastWritten.set(SystemClock.elapsedRealtime());
}
void readLP() {
synchronized (mFileLock) {
AtomicFile file = getFile();
BufferedInputStream in = null;
try {
in = new BufferedInputStream(file.openRead());
StringBuffer sb = new StringBuffer();
while (true) {
String packageName = readToken(in, sb, ' ');
if (packageName == null) {
break;
}
String timeInMillisString = readToken(in, sb, '\n');
if (timeInMillisString == null) {
throw new IOException("Failed to find last usage time for package "
+ packageName);
}
PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null) {
continue;
}
long timeInMillis;
try {
timeInMillis = Long.parseLong(timeInMillisString.toString());
} catch (NumberFormatException e) {
throw new IOException("Failed to parse " + timeInMillisString
+ " as a long.", e);
}
pkg.mLastPackageUsageTimeInMills = timeInMillis;
}
} catch (FileNotFoundException expected) {
mIsHistoricalPackageUsageAvailable = false;
} catch (IOException e) {
Log.w(TAG, "Failed to read package usage times", e);
} finally {
IoUtils.closeQuietly(in);
}
}
mLastWritten.set(SystemClock.elapsedRealtime());
}
private String readToken(InputStream in, StringBuffer sb, char endOfToken)
throws IOException {
sb.setLength(0);
while (true) {
int ch = in.read();
if (ch == -1) {
if (sb.length() == 0) {
return null;
}
throw new IOException("Unexpected EOF");
}
if (ch == endOfToken) {
return sb.toString();
}
sb.append((char)ch);
}
}
private AtomicFile getFile() {
File dataDir = Environment.getDataDirectory();
File systemDir = new File(dataDir, "system");
File fname = new File(systemDir, "package-usage.list");
return new AtomicFile(fname);
}
}
class PackageHandler extends Handler {
private boolean mBound = false;
final ArrayList<HandlerParams> mPendingInstalls =
new ArrayList<HandlerParams>();
private boolean connectToService() {
if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" +
" DefaultContainerService");
Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
if (mContext.bindServiceAsUser(service, mDefContainerConn,
Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
mBound = true;
return true;
}
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
return false;
}
private void disconnectService() {
mContainerService = null;
mBound = false;
Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
mContext.unbindService(mDefContainerConn);
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
}
PackageHandler(Looper looper) {
super(looper);
}
public void handleMessage(Message msg) {
try {
doHandleMessage(msg);
} finally {
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
}
}
void doHandleMessage(Message msg) {
switch (msg.what) {
case INIT_COPY: {
HandlerParams params = (HandlerParams) msg.obj;
int idx = mPendingInstalls.size();
if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params);
// If a bind was already initiated we dont really
// need to do anything. The pending install
// will be processed later on.
if (!mBound) {
// If this is the only one pending we might
// have to bind to the service again.
if (!connectToService()) {
Slog.e(TAG, "Failed to bind to media container service");
params.serviceError();
return;
} else {
// Once we bind to the service, the first
// pending request will be processed.
mPendingInstalls.add(idx, params);
}
} else {
mPendingInstalls.add(idx, params);
// Already bound to the service. Just make
// sure we trigger off processing the first request.
if (idx == 0) {
mHandler.sendEmptyMessage(MCS_BOUND);
}
}
break;
}
case MCS_BOUND: {
if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound");
if (msg.obj != null) {
mContainerService = (IMediaContainerService) msg.obj;
}
if (mContainerService == null) {
if (!mBound) {
// Something seriously wrong since we are not bound and we are not
// waiting for connection. Bail out.
Slog.e(TAG, "Cannot bind to media container service");
for (HandlerParams params : mPendingInstalls) {
// Indicate service bind error
params.serviceError();
}
mPendingInstalls.clear();
} else {
Slog.w(TAG, "Waiting to connect to media container service");
}
} else if (mPendingInstalls.size() > 0) {
HandlerParams params = mPendingInstalls.get(0);
if (params != null) {
if (params.startCopy()) {
// We are done... look for more work or to
// go idle.
if (DEBUG_SD_INSTALL) Log.i(TAG,
"Checking for more work or unbind...");
// Delete pending install
if (mPendingInstalls.size() > 0) {
mPendingInstalls.remove(0);
}
if (mPendingInstalls.size() == 0) {
if (mBound) {
if (DEBUG_SD_INSTALL) Log.i(TAG,
"Posting delayed MCS_UNBIND");
removeMessages(MCS_UNBIND);
Message ubmsg = obtainMessage(MCS_UNBIND);
// Unbind after a little delay, to avoid
// continual thrashing.
sendMessageDelayed(ubmsg, 10000);
}
} else {
// There are more pending requests in queue.
// Just post MCS_BOUND message to trigger processing
// of next pending install.
if (DEBUG_SD_INSTALL) Log.i(TAG,
"Posting MCS_BOUND for next work");
mHandler.sendEmptyMessage(MCS_BOUND);
}
}
}
} else {
// Should never happen ideally.
Slog.w(TAG, "Empty queue");
}
break;
}
case MCS_RECONNECT: {
if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect");
if (mPendingInstalls.size() > 0) {
if (mBound) {
disconnectService();
}
if (!connectToService()) {
Slog.e(TAG, "Failed to bind to media container service");
for (HandlerParams params : mPendingInstalls) {
// Indicate service bind error
params.serviceError();
}
mPendingInstalls.clear();
}
}
break;
}
case MCS_UNBIND: {
// If there is no actual work left, then time to unbind.
if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind");
if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) {
if (mBound) {
if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()");
disconnectService();
}
} else if (mPendingInstalls.size() > 0) {
// There are more pending requests in queue.
// Just post MCS_BOUND message to trigger processing
// of next pending install.
mHandler.sendEmptyMessage(MCS_BOUND);
}
break;
}
case MCS_GIVE_UP: {
if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries");
mPendingInstalls.remove(0);
break;
}
case SEND_PENDING_BROADCAST: {
String packages[];
ArrayList<String> components[];
int size = 0;
int uids[];
Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
synchronized (mPackages) {
if (mPendingBroadcasts == null) {
return;
}
size = mPendingBroadcasts.size();
if (size <= 0) {
// Nothing to be done. Just return
return;
}
packages = new String[size];
components = new ArrayList[size];
uids = new int[size];
int i = 0; // filling out the above arrays
for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) {
int packageUserId = mPendingBroadcasts.userIdAt(n);
Iterator<Map.Entry<String, ArrayList<String>>> it
= mPendingBroadcasts.packagesForUserId(packageUserId)
.entrySet().iterator();
while (it.hasNext() && i < size) {
Map.Entry<String, ArrayList<String>> ent = it.next();
packages[i] = ent.getKey();
components[i] = ent.getValue();
PackageSetting ps = mSettings.mPackages.get(ent.getKey());
uids[i] = (ps != null)
? UserHandle.getUid(packageUserId, ps.appId)
: -1;
i++;
}
}
size = i;
mPendingBroadcasts.clear();
}
// Send broadcasts
for (int i = 0; i < size; i++) {
sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]);
}
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
break;
}
case START_CLEANING_PACKAGE: {
Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
final String packageName = (String)msg.obj;
final int userId = msg.arg1;
final boolean andCode = msg.arg2 != 0;
synchronized (mPackages) {
if (userId == UserHandle.USER_ALL) {
int[] users = sUserManager.getUserIds();
for (int user : users) {
mSettings.addPackageToCleanLPw(
new PackageCleanItem(user, packageName, andCode));
}
} else {
mSettings.addPackageToCleanLPw(
new PackageCleanItem(userId, packageName, andCode));
}
}
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
startCleaningPackages();
} break;
case POST_INSTALL: {
if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1);
PostInstallData data = mRunningInstalls.get(msg.arg1);
mRunningInstalls.delete(msg.arg1);
boolean deleteOld = false;
if (data != null) {
InstallArgs args = data.args;
PackageInstalledInfo res = data.res;
if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
final String packageName = res.pkg.applicationInfo.packageName;
res.removedInfo.sendBroadcast(false, true, false);
Bundle extras = new Bundle(1);
extras.putInt(Intent.EXTRA_UID, res.uid);
// Now that we successfully installed the package, grant runtime
// permissions if requested before broadcasting the install.
if ((args.installFlags
& PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) {
grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(),
args.installGrantPermissions);
}
// Determine the set of users who are adding this
// package for the first time vs. those who are seeing
// an update.
int[] firstUsers;
int[] updateUsers = new int[0];
if (res.origUsers == null || res.origUsers.length == 0) {
firstUsers = res.newUsers;
} else {
firstUsers = new int[0];
for (int i=0; i<res.newUsers.length; i++) {
int user = res.newUsers[i];
boolean isNew = true;
for (int j=0; j<res.origUsers.length; j++) {
if (res.origUsers[j] == user) {
isNew = false;
break;
}
}
if (isNew) {
int[] newFirst = new int[firstUsers.length+1];
System.arraycopy(firstUsers, 0, newFirst, 0,
firstUsers.length);
newFirst[firstUsers.length] = user;
firstUsers = newFirst;
} else {
int[] newUpdate = new int[updateUsers.length+1];
System.arraycopy(updateUsers, 0, newUpdate, 0,
updateUsers.length);
newUpdate[updateUsers.length] = user;
updateUsers = newUpdate;
}
}
}
sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
packageName, extras, null, null, firstUsers);
final boolean update = res.removedInfo.removedPackage != null;
if (update) {
extras.putBoolean(Intent.EXTRA_REPLACING, true);
}
sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
packageName, extras, null, null, updateUsers);
if (update) {
sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED,
packageName, extras, null, null, updateUsers);
sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED,
null, null, packageName, null, updateUsers);
// treat asec-hosted packages like removable media on upgrade
if (res.pkg.isForwardLocked() || isExternal(res.pkg)) {
if (DEBUG_INSTALL) {
Slog.i(TAG, "upgrading pkg " + res.pkg
+ " is ASEC-hosted -> AVAILABLE");
}
int[] uidArray = new int[] { res.pkg.applicationInfo.uid };
ArrayList<String> pkgList = new ArrayList<String>(1);
pkgList.add(packageName);
sendResourcesChangedBroadcast(true, true,
pkgList,uidArray, null);
}
}
if (res.removedInfo.args != null) {
// Remove the replaced package's older resources safely now
deleteOld = true;
}
// If this app is a browser and it's newly-installed for some
// users, clear any default-browser state in those users
if (firstUsers.length > 0) {
// the app's nature doesn't depend on the user, so we can just
// check its browser nature in any user and generalize.
if (packageIsBrowser(packageName, firstUsers[0])) {
synchronized (mPackages) {
for (int userId : firstUsers) {
mSettings.setDefaultBrowserPackageNameLPw(null, userId);
}
}
}
}
// Log current value of "unknown sources" setting
EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED,
getUnknownSourcesSettings());
}
// Force a gc to clear up things
Runtime.getRuntime().gc();
// We delete after a gc for applications on sdcard.
if (deleteOld) {
synchronized (mInstallLock) {
res.removedInfo.args.doPostDeleteLI(true);
}
}
if (args.observer != null) {
try {
Bundle extras = extrasForInstallResult(res);
args.observer.onPackageInstalled(res.name, res.returnCode,
res.returnMsg, extras);
} catch (RemoteException e) {
Slog.i(TAG, "Observer no longer exists.");
}
}
} else {
Slog.e(TAG, "Bogus post-install token " + msg.arg1);
}
} break;
case UPDATED_MEDIA_STATUS: {
if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS");
boolean reportStatus = msg.arg1 == 1;
boolean doGc = msg.arg2 == 1;
if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc);
if (doGc) {
// Force a gc to clear up stale containers.
Runtime.getRuntime().gc();
}
if (msg.obj != null) {
@SuppressWarnings("unchecked")
Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj;
if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers");
// Unload containers
unloadAllContainers(args);
}
if (reportStatus) {
try {
if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back");
PackageHelper.getMountService().finishMediaUpdate();
} catch (RemoteException e) {
Log.e(TAG, "MountService not running?");
}
}
} break;
case WRITE_SETTINGS: {
Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
synchronized (mPackages) {
removeMessages(WRITE_SETTINGS);
removeMessages(WRITE_PACKAGE_RESTRICTIONS);
mSettings.writeLPr();
mDirtyUsers.clear();
}
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
} break;
case WRITE_PACKAGE_RESTRICTIONS: {
Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
synchronized (mPackages) {
removeMessages(WRITE_PACKAGE_RESTRICTIONS);
for (int userId : mDirtyUsers) {
mSettings.writePackageRestrictionsLPr(userId);
}
mDirtyUsers.clear();
}
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
} break;
case CHECK_PENDING_VERIFICATION: {
final int verificationId = msg.arg1;
final PackageVerificationState state = mPendingVerification.get(verificationId);
if ((state != null) && !state.timeoutExtended()) {
final InstallArgs args = state.getInstallArgs();
final Uri originUri = Uri.fromFile(args.origin.resolvedFile);
Slog.i(TAG, "Verification timed out for " + originUri);
mPendingVerification.remove(verificationId);
int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) {
Slog.i(TAG, "Continuing with installation of " + originUri);
state.setVerifierResponse(Binder.getCallingUid(),
PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT);
broadcastPackageVerified(verificationId, originUri,
PackageManager.VERIFICATION_ALLOW,
state.getInstallArgs().getUser());
try {
ret = args.copyApk(mContainerService, true);
} catch (RemoteException e) {
Slog.e(TAG, "Could not contact the ContainerService");
}
} else {
broadcastPackageVerified(verificationId, originUri,
PackageManager.VERIFICATION_REJECT,
state.getInstallArgs().getUser());
}
processPendingInstall(args, ret);
mHandler.sendEmptyMessage(MCS_UNBIND);
}
break;
}
case PACKAGE_VERIFIED: {
final int verificationId = msg.arg1;
final PackageVerificationState state = mPendingVerification.get(verificationId);
if (state == null) {
Slog.w(TAG, "Invalid verification token " + verificationId + " received");
break;
}
final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj;
state.setVerifierResponse(response.callerUid, response.code);
if (state.isVerificationComplete()) {
mPendingVerification.remove(verificationId);
final InstallArgs args = state.getInstallArgs();
final Uri originUri = Uri.fromFile(args.origin.resolvedFile);
int ret;
if (state.isInstallAllowed()) {
ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
broadcastPackageVerified(verificationId, originUri,
response.code, state.getInstallArgs().getUser());
try {
ret = args.copyApk(mContainerService, true);
} catch (RemoteException e) {
Slog.e(TAG, "Could not contact the ContainerService");
}
} else {
ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
}
processPendingInstall(args, ret);
mHandler.sendEmptyMessage(MCS_UNBIND);
}
break;
}
case START_INTENT_FILTER_VERIFICATIONS: {
IFVerificationParams params = (IFVerificationParams) msg.obj;
verifyIntentFiltersIfNeeded(params.userId, params.verifierUid,
params.replacing, params.pkg);
break;
}
case INTENT_FILTER_VERIFIED: {
final int verificationId = msg.arg1;
final IntentFilterVerificationState state = mIntentFilterVerificationStates.get(
verificationId);
if (state == null) {
Slog.w(TAG, "Invalid IntentFilter verification token "
+ verificationId + " received");
break;
}
final int userId = state.getUserId();
if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
"Processing IntentFilter verification with token:"
+ verificationId + " and userId:" + userId);
final IntentFilterVerificationResponse response =
(IntentFilterVerificationResponse) msg.obj;
state.setVerifierResponse(response.callerUid, response.code);
if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
"IntentFilter verification with token:" + verificationId
+ " and userId:" + userId
+ " is settings verifier response with response code:"
+ response.code);
if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) {
if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: "
+ response.getFailedDomainsString());
}
if (state.isVerificationComplete()) {
mIntentFilterVerifier.receiveVerificationResponse(verificationId);
} else {
if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
"IntentFilter verification with token:" + verificationId
+ " was not said to be complete");
}
break;
}
}
}
}
private StorageEventListener mStorageListener = new StorageEventListener() {
@Override
public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) {
if (vol.type == VolumeInfo.TYPE_PRIVATE) {
if (vol.state == VolumeInfo.STATE_MOUNTED) {
final String volumeUuid = vol.getFsUuid();
// Clean up any users or apps that were removed or recreated
// while this volume was missing
reconcileUsers(volumeUuid);
reconcileApps(volumeUuid);
// Clean up any install sessions that expired or were
// cancelled while this volume was missing
mInstallerService.onPrivateVolumeMounted(volumeUuid);
loadPrivatePackages(vol);
} else if (vol.state == VolumeInfo.STATE_EJECTING) {
unloadPrivatePackages(vol);
}
}
if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) {
if (vol.state == VolumeInfo.STATE_MOUNTED) {
updateExternalMediaStatus(true, false);
} else if (vol.state == VolumeInfo.STATE_EJECTING) {
updateExternalMediaStatus(false, false);
}
}
}
@Override
public void onVolumeForgotten(String fsUuid) {
if (TextUtils.isEmpty(fsUuid)) {
Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring");
return;
}
// Remove any apps installed on the forgotten volume
synchronized (mPackages) {
final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid);
for (PackageSetting ps : packages) {
Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten");
deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(),
UserHandle.USER_OWNER, PackageManager.DELETE_ALL_USERS);
}
mSettings.onVolumeForgotten(fsUuid);
mSettings.writeLPr();
}
}
};
private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId,
String[] grantedPermissions) {
if (userId >= UserHandle.USER_OWNER) {
grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions);
} else if (userId == UserHandle.USER_ALL) {
final int[] userIds;
synchronized (mPackages) {
userIds = UserManagerService.getInstance().getUserIds();
}
for (int someUserId : userIds) {
grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions);
}
}
// We could have touched GID membership, so flush out packages.list
synchronized (mPackages) {
mSettings.writePackageListLPr();
}
}
private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId,
String[] grantedPermissions) {
SettingBase sb = (SettingBase) pkg.mExtras;
if (sb == null) {
return;
}
synchronized (mPackages) {
for (String permission : pkg.requestedPermissions) {
BasePermission bp = mSettings.mPermissions.get(permission);
if (bp != null && (bp.isRuntime() || bp.isDevelopment())
&& (grantedPermissions == null
|| ArrayUtils.contains(grantedPermissions, permission))) {
grantRuntimePermission(pkg.packageName, permission, userId);
}
}
}
}
Bundle extrasForInstallResult(PackageInstalledInfo res) {
Bundle extras = null;
switch (res.returnCode) {
case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: {
extras = new Bundle();
extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION,
res.origPermission);
extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE,
res.origPackage);
break;
}
case PackageManager.INSTALL_SUCCEEDED: {
extras = new Bundle();
extras.putBoolean(Intent.EXTRA_REPLACING,
res.removedInfo != null && res.removedInfo.removedPackage != null);
break;
}
}
return extras;
}
void scheduleWriteSettingsLocked() {
if (!mHandler.hasMessages(WRITE_SETTINGS)) {
mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY);
}
}
void scheduleWritePackageRestrictionsLocked(int userId) {
if (!sUserManager.exists(userId)) return;
mDirtyUsers.add(userId);
if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) {
mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY);
}
}
public static PackageManagerService main(Context context, Installer installer,
boolean factoryTest, boolean onlyCore) {
PackageManagerService m = new PackageManagerService(context, installer,
factoryTest, onlyCore);
ServiceManager.addService("package", m);
return m;
}
static String[] splitString(String str, char sep) {
int count = 1;
int i = 0;
while ((i=str.indexOf(sep, i)) >= 0) {
count++;
i++;
}
String[] res = new String[count];
i=0;
count = 0;
int lastI=0;
while ((i=str.indexOf(sep, i)) >= 0) {
res[count] = str.substring(lastI, i);
count++;
i++;
lastI = i;
}
res[count] = str.substring(lastI, str.length());
return res;
}
private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) {
DisplayManager displayManager = (DisplayManager) context.getSystemService(
Context.DISPLAY_SERVICE);
displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics);
}
public PackageManagerService(Context context, Installer installer,
boolean factoryTest, boolean onlyCore) {
EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START,
SystemClock.uptimeMillis());
if (mSdkVersion <= 0) {
Slog.w(TAG, "**** ro.build.version.sdk not set!");
}
mContext = context;
mFactoryTest = factoryTest;
mOnlyCore = onlyCore;
mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type"));
mMetrics = new DisplayMetrics();
mSettings = new Settings(mPackages);
mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID,
ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID,
ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
mSettings.addSharedUserLPw("android.uid.log", LOG_UID,
ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID,
ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID,
ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID,
ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
// TODO: add a property to control this?
long dexOptLRUThresholdInMinutes;
if (mLazyDexOpt) {
dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds.
} else {
dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users.
}
mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000;
String separateProcesses = SystemProperties.get("debug.separate_processes");
if (separateProcesses != null && separateProcesses.length() > 0) {
if ("*".equals(separateProcesses)) {
mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES;
mSeparateProcesses = null;
Slog.w(TAG, "Running with debug.separate_processes: * (ALL)");
} else {
mDefParseFlags = 0;
mSeparateProcesses = separateProcesses.split(",");
Slog.w(TAG, "Running with debug.separate_processes: "
+ separateProcesses);
}
} else {
mDefParseFlags = 0;
mSeparateProcesses = null;
}
mInstaller = installer;
mPackageDexOptimizer = new PackageDexOptimizer(this);
mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper());
mOnPermissionChangeListeners = new OnPermissionChangeListeners(
FgThread.get().getLooper());
getDefaultDisplayMetrics(context, mMetrics);
SystemConfig systemConfig = SystemConfig.getInstance();
mGlobalGids = systemConfig.getGlobalGids();
mSystemPermissions = systemConfig.getSystemPermissions();
mAvailableFeatures = systemConfig.getAvailableFeatures();
synchronized (mInstallLock) {
// writer
synchronized (mPackages) {
mHandlerThread = new ServiceThread(TAG,
Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/);
mHandlerThread.start();
mHandler = new PackageHandler(mHandlerThread.getLooper());
Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT);
File dataDir = Environment.getDataDirectory();
mAppDataDir = new File(dataDir, "data");
mAppInstallDir = new File(dataDir, "app");
mAppLib32InstallDir = new File(dataDir, "app-lib");
mAsecInternalPath = new File(dataDir, "app-asec").getPath();
mUserAppDataDir = new File(dataDir, "user");
mDrmAppPrivateInstallDir = new File(dataDir, "app-private");
sUserManager = new UserManagerService(context, this,
mInstallLock, mPackages);
// Propagate permission configuration in to package manager.
ArrayMap<String, SystemConfig.PermissionEntry> permConfig
= systemConfig.getPermissions();
for (int i=0; i<permConfig.size(); i++) {
SystemConfig.PermissionEntry perm = permConfig.valueAt(i);
BasePermission bp = mSettings.mPermissions.get(perm.name);
if (bp == null) {
bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN);
mSettings.mPermissions.put(perm.name, bp);
}
if (perm.gids != null) {
bp.setGids(perm.gids, perm.perUser);
}
}
ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries();
for (int i=0; i<libConfig.size(); i++) {
mSharedLibraries.put(libConfig.keyAt(i),
new SharedLibraryEntry(libConfig.valueAt(i), null));
}
mFoundPolicyFile = SELinuxMMAC.readInstallPolicy();
mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false),
mSdkVersion, mOnlyCore);
String customResolverActivity = Resources.getSystem().getString(
R.string.config_customResolverActivity);
if (TextUtils.isEmpty(customResolverActivity)) {
customResolverActivity = null;
} else {
mCustomResolverComponentName = ComponentName.unflattenFromString(
customResolverActivity);
}
long startTime = SystemClock.uptimeMillis();
EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START,
startTime);
// Set flag to monitor and not change apk file paths when
// scanning install directories.
final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL;
final ArraySet<String> alreadyDexOpted = new ArraySet<String>();
/**
* Add everything in the in the boot class path to the
* list of process files because dexopt will have been run
* if necessary during zygote startup.
*/
final String bootClassPath = System.getenv("BOOTCLASSPATH");
final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH");
if (bootClassPath != null) {
String[] bootClassPathElements = splitString(bootClassPath, ':');
for (String element : bootClassPathElements) {
alreadyDexOpted.add(element);
}
} else {
Slog.w(TAG, "No BOOTCLASSPATH found!");
}
if (systemServerClassPath != null) {
String[] systemServerClassPathElements = splitString(systemServerClassPath, ':');
for (String element : systemServerClassPathElements) {
alreadyDexOpted.add(element);
}
} else {
Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!");
}
final List<String> allInstructionSets = InstructionSets.getAllInstructionSets();
final String[] dexCodeInstructionSets =
getDexCodeInstructionSets(
allInstructionSets.toArray(new String[allInstructionSets.size()]));
/**
* Ensure all external libraries have had dexopt run on them.
*/
if (mSharedLibraries.size() > 0) {
// NOTE: For now, we're compiling these system "shared libraries"
// (and framework jars) into all available architectures. It's possible
// to compile them only when we come across an app that uses them (there's
// already logic for that in scanPackageLI) but that adds some complexity.
for (String dexCodeInstructionSet : dexCodeInstructionSets) {
for (SharedLibraryEntry libEntry : mSharedLibraries.values()) {
final String lib = libEntry.path;
if (lib == null) {
continue;
}
try {
int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false);
if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
alreadyDexOpted.add(lib);
mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded, false);
}
} catch (FileNotFoundException e) {
Slog.w(TAG, "Library not found: " + lib);
} catch (IOException e) {
Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? "
+ e.getMessage());
}
}
}
}
File frameworkDir = new File(Environment.getRootDirectory(), "framework");
// Gross hack for now: we know this file doesn't contain any
// code, so don't dexopt it to avoid the resulting log spew.
alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk");
// Gross hack for now: we know this file is only part of
// the boot class path for art, so don't dexopt it to
// avoid the resulting log spew.
alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar");
/**
* There are a number of commands implemented in Java, which
* we currently need to do the dexopt on so that they can be
* run from a non-root shell.
*/
String[] frameworkFiles = frameworkDir.list();
if (frameworkFiles != null) {
// TODO: We could compile these only for the most preferred ABI. We should
// first double check that the dex files for these commands are not referenced
// by other system apps.
for (String dexCodeInstructionSet : dexCodeInstructionSets) {
for (int i=0; i<frameworkFiles.length; i++) {
File libPath = new File(frameworkDir, frameworkFiles[i]);
String path = libPath.getPath();
// Skip the file if we already did it.
if (alreadyDexOpted.contains(path)) {
continue;
}
// Skip the file if it is not a type we want to dexopt.
if (!path.endsWith(".apk") && !path.endsWith(".jar")) {
continue;
}
try {
int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false);
if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded, false);
}
} catch (FileNotFoundException e) {
Slog.w(TAG, "Jar not found: " + path);
} catch (IOException e) {
Slog.w(TAG, "Exception reading jar: " + path, e);
}
}
}
}
final VersionInfo ver = mSettings.getInternalVersion();
mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint);
// when upgrading from pre-M, promote system app permissions from install to runtime
mPromoteSystemApps =
mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1;
// save off the names of pre-existing system packages prior to scanning; we don't
// want to automatically grant runtime permissions for new system apps
if (mPromoteSystemApps) {
Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator();
while (pkgSettingIter.hasNext()) {
PackageSetting ps = pkgSettingIter.next();
if (isSystemApp(ps)) {
mExistingSystemPackages.add(ps.name);
}
}
}
// Collect vendor overlay packages.
// (Do this before scanning any apps.)
// For security and version matching reason, only consider
// overlay packages if they reside in VENDOR_OVERLAY_DIR.
File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR);
scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM
| PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0);
// Find base frameworks (resource packages without code).
scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM
| PackageParser.PARSE_IS_SYSTEM_DIR
| PackageParser.PARSE_IS_PRIVILEGED,
scanFlags | SCAN_NO_DEX, 0);
// Collected privileged system packages.
final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app");
scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM
| PackageParser.PARSE_IS_SYSTEM_DIR
| PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0);
// Collect ordinary system packages.
final File systemAppDir = new File(Environment.getRootDirectory(), "app");
scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM
| PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
// Collect all vendor packages.
File vendorAppDir = new File("/vendor/app");
try {
vendorAppDir = vendorAppDir.getCanonicalFile();
} catch (IOException e) {
// failed to look up canonical path, continue with original one
}
scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM
| PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
// Collect all OEM packages.
final File oemAppDir = new File(Environment.getOemDirectory(), "app");
scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM
| PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands");
mInstaller.moveFiles();
// Prune any system packages that no longer exist.
final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>();
if (!mOnlyCore) {
Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
while (psit.hasNext()) {
PackageSetting ps = psit.next();
/*
* If this is not a system app, it can't be a
* disable system app.
*/
if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) {
continue;
}
/*
* If the package is scanned, it's not erased.
*/
final PackageParser.Package scannedPkg = mPackages.get(ps.name);
if (scannedPkg != null) {
/*
* If the system app is both scanned and in the
* disabled packages list, then it must have been
* added via OTA. Remove it from the currently
* scanned package so the previously user-installed
* application can be scanned.
*/
if (mSettings.isDisabledSystemPackageLPr(ps.name)) {
logCriticalInfo(Log.WARN, "Expecting better updated system app for "
+ ps.name + "; removing system app. Last known codePath="
+ ps.codePathString + ", installStatus=" + ps.installStatus
+ ", versionCode=" + ps.versionCode + "; scanned versionCode="
+ scannedPkg.mVersionCode);
removePackageLI(ps, true);
mExpectingBetter.put(ps.name, ps.codePath);
}
continue;
}
if (!mSettings.isDisabledSystemPackageLPr(ps.name)) {
psit.remove();
logCriticalInfo(Log.WARN, "System package " + ps.name
+ " no longer exists; wiping its data");
removeDataDirsLI(null, ps.name);
} else {
final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name);
if (disabledPs.codePath == null || !disabledPs.codePath.exists()) {
possiblyDeletedUpdatedSystemApps.add(ps.name);
}
}
}
}
//look for any incomplete package installations
ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr();
//clean up list
for(int i = 0; i < deletePkgsList.size(); i++) {
//clean up here
cleanupInstallFailedPackage(deletePkgsList.get(i));
}
//delete tmp files
deleteTempPackageFiles();
// Remove any shared userIDs that have no associated packages
mSettings.pruneSharedUsersLPw();
if (!mOnlyCore) {
EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START,
SystemClock.uptimeMillis());
scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0);
scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK,
scanFlags | SCAN_REQUIRE_KNOWN, 0);
/**
* Remove disable package settings for any updated system
* apps that were removed via an OTA. If they're not a
* previously-updated app, remove them completely.
* Otherwise, just revoke their system-level permissions.
*/
for (String deletedAppName : possiblyDeletedUpdatedSystemApps) {
PackageParser.Package deletedPkg = mPackages.get(deletedAppName);
mSettings.removeDisabledSystemPackageLPw(deletedAppName);
String msg;
if (deletedPkg == null) {
msg = "Updated system package " + deletedAppName
+ " no longer exists; wiping its data";
removeDataDirsLI(null, deletedAppName);
} else {
msg = "Updated system app + " + deletedAppName
+ " no longer present; removing system privileges for "
+ deletedAppName;
deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM;
PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName);
deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM;
}
logCriticalInfo(Log.WARN, msg);
}
/**
* Make sure all system apps that we expected to appear on
* the userdata partition actually showed up. If they never
* appeared, crawl back and revive the system version.
*/
for (int i = 0; i < mExpectingBetter.size(); i++) {
final String packageName = mExpectingBetter.keyAt(i);
if (!mPackages.containsKey(packageName)) {
final File scanFile = mExpectingBetter.valueAt(i);
logCriticalInfo(Log.WARN, "Expected better " + packageName
+ " but never showed up; reverting to system");
final int reparseFlags;
if (FileUtils.contains(privilegedAppDir, scanFile)) {
reparseFlags = PackageParser.PARSE_IS_SYSTEM
| PackageParser.PARSE_IS_SYSTEM_DIR
| PackageParser.PARSE_IS_PRIVILEGED;
} else if (FileUtils.contains(systemAppDir, scanFile)) {
reparseFlags = PackageParser.PARSE_IS_SYSTEM
| PackageParser.PARSE_IS_SYSTEM_DIR;
} else if (FileUtils.contains(vendorAppDir, scanFile)) {
reparseFlags = PackageParser.PARSE_IS_SYSTEM
| PackageParser.PARSE_IS_SYSTEM_DIR;
} else if (FileUtils.contains(oemAppDir, scanFile)) {
reparseFlags = PackageParser.PARSE_IS_SYSTEM
| PackageParser.PARSE_IS_SYSTEM_DIR;
} else {
Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile);
continue;
}
mSettings.enableSystemPackageLPw(packageName);
try {
scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null);
} catch (PackageManagerException e) {
Slog.e(TAG, "Failed to parse original system package: "
+ e.getMessage());
}
}
}
}
mExpectingBetter.clear();
// Now that we know all of the shared libraries, update all clients to have
// the correct library paths.
updateAllSharedLibrariesLPw();
for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) {
// NOTE: We ignore potential failures here during a system scan (like
// the rest of the commands above) because there's precious little we
// can do about it. A settings error is reported, though.
adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */,
false /* force dexopt */, false /* defer dexopt */,
false /* boot complete */);
}
// Now that we know all the packages we are keeping,
// read and update their last usage times.
mPackageUsage.readLP();
EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END,
SystemClock.uptimeMillis());
Slog.i(TAG, "Time to scan packages: "
+ ((SystemClock.uptimeMillis()-startTime)/1000f)
+ " seconds");
// If the platform SDK has changed since the last time we booted,
// we need to re-grant app permission to catch any new ones that
// appear. This is really a hack, and means that apps can in some
// cases get permissions that the user didn't initially explicitly
// allow... it would be nice to have some better way to handle
// this situation.
int updateFlags = UPDATE_PERMISSIONS_ALL;
if (ver.sdkVersion != mSdkVersion) {
Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to "
+ mSdkVersion + "; regranting permissions for internal storage");
updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL;
}
updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags);
ver.sdkVersion = mSdkVersion;
// If this is the first boot or an update from pre-M, and it is a normal
// boot, then we need to initialize the default preferred apps across
// all defined users.
if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) {
for (UserInfo user : sUserManager.getUsers(true)) {
mSettings.applyDefaultPreferredAppsLPw(this, user.id);
applyFactoryDefaultBrowserLPw(user.id);
primeDomainVerificationsLPw(user.id);
}
}
// If this is first boot after an OTA, and a normal boot, then
// we need to clear code cache directories.
if (mIsUpgrade && !onlyCore) {
Slog.i(TAG, "Build fingerprint changed; clearing code caches");
for (int i = 0; i < mSettings.mPackages.size(); i++) {
final PackageSetting ps = mSettings.mPackages.valueAt(i);
if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) {
deleteCodeCacheDirsLI(ps.volumeUuid, ps.name);
}
}
ver.fingerprint = Build.FINGERPRINT;
}
checkDefaultBrowser();
// clear only after permissions and other defaults have been updated
mExistingSystemPackages.clear();
mPromoteSystemApps = false;
// All the changes are done during package scanning.
ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION;
// can downgrade to reader
mSettings.writeLPr();
EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY,
SystemClock.uptimeMillis());
mRequiredVerifierPackage = getRequiredVerifierLPr();
mRequiredInstallerPackage = getRequiredInstallerLPr();
mInstallerService = new PackageInstallerService(context, this);
mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr();
mIntentFilterVerifier = new IntentVerifierProxy(mContext,
mIntentFilterVerifierComponent);
} // synchronized (mPackages)
} // synchronized (mInstallLock)
// Now after opening every single application zip, make sure they
// are all flushed. Not really needed, but keeps things nice and
// tidy.
Runtime.getRuntime().gc();
// Expose private service for system components to use.
LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl());
}
@Override
public boolean isFirstBoot() {
return !mRestoredSettings;
}
@Override
public boolean isOnlyCoreApps() {
return mOnlyCore;
}
@Override
public boolean isUpgrade() {
return mIsUpgrade;
}
private String getRequiredVerifierLPr() {
final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */);
String requiredVerifier = null;
final int N = receivers.size();
for (int i = 0; i < N; i++) {
final ResolveInfo info = receivers.get(i);
if (info.activityInfo == null) {
continue;
}
final String packageName = info.activityInfo.packageName;
if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) {
continue;
}
if (requiredVerifier != null) {
throw new RuntimeException("There can be only one required verifier");
}
requiredVerifier = packageName;
}
return requiredVerifier;
}
private String getRequiredInstallerLPr() {
Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE);
installerIntent.addCategory(Intent.CATEGORY_DEFAULT);
installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE);
final List<ResolveInfo> installers = queryIntentActivities(installerIntent,
PACKAGE_MIME_TYPE, 0, 0);
String requiredInstaller = null;
final int N = installers.size();
for (int i = 0; i < N; i++) {
final ResolveInfo info = installers.get(i);
final String packageName = info.activityInfo.packageName;
if (!info.activityInfo.applicationInfo.isSystemApp()) {
continue;
}
if (requiredInstaller != null) {
throw new RuntimeException("There must be one required installer");
}
requiredInstaller = packageName;
}
if (requiredInstaller == null) {
throw new RuntimeException("There must be one required installer");
}
return requiredInstaller;
}
private ComponentName getIntentFilterVerifierComponentNameLPr() {
final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION);
final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
PackageManager.GET_DISABLED_COMPONENTS, 0 /* userId */);
ComponentName verifierComponentName = null;
int priority = -1000;
final int N = receivers.size();
for (int i = 0; i < N; i++) {
final ResolveInfo info = receivers.get(i);
if (info.activityInfo == null) {
continue;
}
final String packageName = info.activityInfo.packageName;
final PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps == null) {
continue;
}
if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT,
packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) {
continue;
}
// Select the IntentFilterVerifier with the highest priority
if (priority < info.priority) {
priority = info.priority;
verifierComponentName = new ComponentName(packageName, info.activityInfo.name);
if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: "
+ verifierComponentName + " with priority: " + info.priority);
}
}
return verifierComponentName;
}
private void primeDomainVerificationsLPw(int userId) {
if (DEBUG_DOMAIN_VERIFICATION) {
Slog.d(TAG, "Priming domain verifications in user " + userId);
}
SystemConfig systemConfig = SystemConfig.getInstance();
ArraySet<String> packages = systemConfig.getLinkedApps();
ArraySet<String> domains = new ArraySet<String>();
for (String packageName : packages) {
PackageParser.Package pkg = mPackages.get(packageName);
if (pkg != null) {
if (!pkg.isSystemApp()) {
Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>");
continue;
}
domains.clear();
for (PackageParser.Activity a : pkg.activities) {
for (ActivityIntentInfo filter : a.intents) {
if (hasValidDomains(filter)) {
domains.addAll(filter.getHostsList());
}
}
}
if (domains.size() > 0) {
if (DEBUG_DOMAIN_VERIFICATION) {
Slog.v(TAG, " + " + packageName);
}
// 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual
// state w.r.t. the formal app-linkage "no verification attempted" state;
// and then 'always' in the per-user state actually used for intent resolution.
final IntentFilterVerificationInfo ivi;
ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName,
new ArrayList<String>(domains));
ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED);
mSettings.updateIntentFilterVerificationStatusLPw(packageName,
INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId);
} else {
Slog.w(TAG, "Sysconfig <app-link> package '" + packageName
+ "' does not handle web links");
}
} else {
Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>");
}
}
scheduleWritePackageRestrictionsLocked(userId);
scheduleWriteSettingsLocked();
}
private void applyFactoryDefaultBrowserLPw(int userId) {
// The default browser app's package name is stored in a string resource,
// with a product-specific overlay used for vendor customization.
String browserPkg = mContext.getResources().getString(
com.android.internal.R.string.default_browser);
if (!TextUtils.isEmpty(browserPkg)) {
// non-empty string => required to be a known package
PackageSetting ps = mSettings.mPackages.get(browserPkg);
if (ps == null) {
Slog.e(TAG, "Product default browser app does not exist: " + browserPkg);
browserPkg = null;
} else {
mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId);
}
}
// Nothing valid explicitly set? Make the factory-installed browser the explicit
// default. If there's more than one, just leave everything alone.
if (browserPkg == null) {
calculateDefaultBrowserLPw(userId);
}
}
private void calculateDefaultBrowserLPw(int userId) {
List<String> allBrowsers = resolveAllBrowserApps(userId);
final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null;
mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId);
}
private List<String> resolveAllBrowserApps(int userId) {
// Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set
List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null,
PackageManager.MATCH_ALL, userId);
final int count = list.size();
List<String> result = new ArrayList<String>(count);
for (int i=0; i<count; i++) {
ResolveInfo info = list.get(i);
if (info.activityInfo == null
|| !info.handleAllWebDataURI
|| (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0
|| result.contains(info.activityInfo.packageName)) {
continue;
}
result.add(info.activityInfo.packageName);
}
return result;
}
private boolean packageIsBrowser(String packageName, int userId) {
List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null,
PackageManager.MATCH_ALL, userId);
final int N = list.size();
for (int i = 0; i < N; i++) {
ResolveInfo info = list.get(i);
if (packageName.equals(info.activityInfo.packageName)) {
return true;
}
}
return false;
}
private void checkDefaultBrowser() {
final int myUserId = UserHandle.myUserId();
final String packageName = getDefaultBrowserPackageName(myUserId);
if (packageName != null) {
PackageInfo info = getPackageInfo(packageName, 0, myUserId);
if (info == null) {
Slog.w(TAG, "Default browser no longer installed: " + packageName);
synchronized (mPackages) {
applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1
}
}
}
}
@Override
public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
throws RemoteException {
try {
return super.onTransact(code, data, reply, flags);
} catch (RuntimeException e) {
if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) {
Slog.wtf(TAG, "Package Manager Crash", e);
}
throw e;
}
}
void cleanupInstallFailedPackage(PackageSetting ps) {
logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name);
removeDataDirsLI(ps.volumeUuid, ps.name);
if (ps.codePath != null) {
if (ps.codePath.isDirectory()) {
mInstaller.rmPackageDir(ps.codePath.getAbsolutePath());
} else {
ps.codePath.delete();
}
}
if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) {
if (ps.resourcePath.isDirectory()) {
FileUtils.deleteContents(ps.resourcePath);
}
ps.resourcePath.delete();
}
mSettings.removePackageLPw(ps.name);
}
static int[] appendInts(int[] cur, int[] add) {
if (add == null) return cur;
if (cur == null) return add;
final int N = add.length;
for (int i=0; i<N; i++) {
cur = appendInt(cur, add[i]);
}
return cur;
}
PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
final PackageSetting ps = (PackageSetting) p.mExtras;
if (ps == null) {
return null;
}
final PermissionsState permissionsState = ps.getPermissionsState();
final int[] gids = permissionsState.computeGids(userId);
final Set<String> permissions = permissionsState.getPermissions(userId);
final PackageUserState state = ps.readUserState(userId);
return PackageParser.generatePackageInfo(p, gids, flags,
ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId);
}
@Override
public boolean isPackageFrozen(String packageName) {
synchronized (mPackages) {
final PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps != null) {
return ps.frozen;
}
}
Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen");
return true;
}
@Override
public boolean isPackageAvailable(String packageName, int userId) {
if (!sUserManager.exists(userId)) return false;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available");
synchronized (mPackages) {
PackageParser.Package p = mPackages.get(packageName);
if (p != null) {
final PackageSetting ps = (PackageSetting) p.mExtras;
if (ps != null) {
final PackageUserState state = ps.readUserState(userId);
if (state != null) {
return PackageParser.isAvailable(state);
}
}
}
}
return false;
}
@Override
public PackageInfo getPackageInfo(String packageName, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info");
// reader
synchronized (mPackages) {
PackageParser.Package p = mPackages.get(packageName);
if (DEBUG_PACKAGE_INFO)
Log.v(TAG, "getPackageInfo " + packageName + ": " + p);
if (p != null) {
return generatePackageInfo(p, flags, userId);
}
if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
return generatePackageInfoFromSettingsLPw(packageName, flags, userId);
}
}
return null;
}
@Override
public String[] currentToCanonicalPackageNames(String[] names) {
String[] out = new String[names.length];
// reader
synchronized (mPackages) {
for (int i=names.length-1; i>=0; i--) {
PackageSetting ps = mSettings.mPackages.get(names[i]);
out[i] = ps != null && ps.realName != null ? ps.realName : names[i];
}
}
return out;
}
@Override
public String[] canonicalToCurrentPackageNames(String[] names) {
String[] out = new String[names.length];
// reader
synchronized (mPackages) {
for (int i=names.length-1; i>=0; i--) {
String cur = mSettings.mRenamedPackages.get(names[i]);
out[i] = cur != null ? cur : names[i];
}
}
return out;
}
@Override
public int getPackageUid(String packageName, int userId) {
if (!sUserManager.exists(userId)) return -1;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid");
// reader
synchronized (mPackages) {
PackageParser.Package p = mPackages.get(packageName);
if(p != null) {
return UserHandle.getUid(userId, p.applicationInfo.uid);
}
PackageSetting ps = mSettings.mPackages.get(packageName);
if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) {
return -1;
}
p = ps.pkg;
return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1;
}
}
@Override
public int[] getPackageGids(String packageName, int userId) throws RemoteException {
if (!sUserManager.exists(userId)) {
return null;
}
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false,
"getPackageGids");
// reader
synchronized (mPackages) {
PackageParser.Package p = mPackages.get(packageName);
if (DEBUG_PACKAGE_INFO) {
Log.v(TAG, "getPackageGids" + packageName + ": " + p);
}
if (p != null) {
PackageSetting ps = (PackageSetting) p.mExtras;
return ps.getPermissionsState().computeGids(userId);
}
}
return null;
}
static PermissionInfo generatePermissionInfo(
BasePermission bp, int flags) {
if (bp.perm != null) {
return PackageParser.generatePermissionInfo(bp.perm, flags);
}
PermissionInfo pi = new PermissionInfo();
pi.name = bp.name;
pi.packageName = bp.sourcePackage;
pi.nonLocalizedLabel = bp.name;
pi.protectionLevel = bp.protectionLevel;
return pi;
}
@Override
public PermissionInfo getPermissionInfo(String name, int flags) {
// reader
synchronized (mPackages) {
final BasePermission p = mSettings.mPermissions.get(name);
if (p != null) {
return generatePermissionInfo(p, flags);
}
return null;
}
}
@Override
public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) {
// reader
synchronized (mPackages) {
ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10);
for (BasePermission p : mSettings.mPermissions.values()) {
if (group == null) {
if (p.perm == null || p.perm.info.group == null) {
out.add(generatePermissionInfo(p, flags));
}
} else {
if (p.perm != null && group.equals(p.perm.info.group)) {
out.add(PackageParser.generatePermissionInfo(p.perm, flags));
}
}
}
if (out.size() > 0) {
return out;
}
return mPermissionGroups.containsKey(group) ? out : null;
}
}
@Override
public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) {
// reader
synchronized (mPackages) {
return PackageParser.generatePermissionGroupInfo(
mPermissionGroups.get(name), flags);
}
}
@Override
public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
// reader
synchronized (mPackages) {
final int N = mPermissionGroups.size();
ArrayList<PermissionGroupInfo> out
= new ArrayList<PermissionGroupInfo>(N);
for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) {
out.add(PackageParser.generatePermissionGroupInfo(pg, flags));
}
return out;
}
}
private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags,
int userId) {
if (!sUserManager.exists(userId)) return null;
PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps != null) {
if (ps.pkg == null) {
PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName,
flags, userId);
if (pInfo != null) {
return pInfo.applicationInfo;
}
return null;
}
return PackageParser.generateApplicationInfo(ps.pkg, flags,
ps.readUserState(userId), userId);
}
return null;
}
private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags,
int userId) {
if (!sUserManager.exists(userId)) return null;
PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps != null) {
PackageParser.Package pkg = ps.pkg;
if (pkg == null) {
if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) {
return null;
}
// Only data remains, so we aren't worried about code paths
pkg = new PackageParser.Package(packageName);
pkg.applicationInfo.packageName = packageName;
pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY;
pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags;
pkg.applicationInfo.dataDir = Environment
.getDataUserPackageDirectory(ps.volumeUuid, userId, packageName)
.getAbsolutePath();
pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString;
pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString;
}
return generatePackageInfo(pkg, flags, userId);
}
return null;
}
@Override
public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info");
// writer
synchronized (mPackages) {
PackageParser.Package p = mPackages.get(packageName);
if (DEBUG_PACKAGE_INFO) Log.v(
TAG, "getApplicationInfo " + packageName
+ ": " + p);
if (p != null) {
PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps == null) return null;
// Note: isEnabledLP() does not apply here - always return info
return PackageParser.generateApplicationInfo(
p, flags, ps.readUserState(userId), userId);
}
if ("android".equals(packageName)||"system".equals(packageName)) {
return mAndroidApplication;
}
if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
return generateApplicationInfoFromSettingsLPw(packageName, flags, userId);
}
}
return null;
}
@Override
public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize,
final IPackageDataObserver observer) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.CLEAR_APP_CACHE, null);
// Queue up an async operation since clearing cache may take a little while.
mHandler.post(new Runnable() {
public void run() {
mHandler.removeCallbacks(this);
int retCode = -1;
synchronized (mInstallLock) {
retCode = mInstaller.freeCache(volumeUuid, freeStorageSize);
if (retCode < 0) {
Slog.w(TAG, "Couldn't clear application caches");
}
}
if (observer != null) {
try {
observer.onRemoveCompleted(null, (retCode >= 0));
} catch (RemoteException e) {
Slog.w(TAG, "RemoveException when invoking call back");
}
}
}
});
}
@Override
public void freeStorage(final String volumeUuid, final long freeStorageSize,
final IntentSender pi) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.CLEAR_APP_CACHE, null);
// Queue up an async operation since clearing cache may take a little while.
mHandler.post(new Runnable() {
public void run() {
mHandler.removeCallbacks(this);
int retCode = -1;
synchronized (mInstallLock) {
retCode = mInstaller.freeCache(volumeUuid, freeStorageSize);
if (retCode < 0) {
Slog.w(TAG, "Couldn't clear application caches");
}
}
if(pi != null) {
try {
// Callback via pending intent
int code = (retCode >= 0) ? 1 : 0;
pi.sendIntent(null, code, null,
null, null);
} catch (SendIntentException e1) {
Slog.i(TAG, "Failed to send pending intent");
}
}
}
});
}
void freeStorage(String volumeUuid, long freeStorageSize) throws IOException {
synchronized (mInstallLock) {
if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) {
throw new IOException("Failed to free enough space");
}
}
}
@Override
public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info");
synchronized (mPackages) {
PackageParser.Activity a = mActivities.mActivities.get(component);
if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a);
if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
if (ps == null) return null;
return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
userId);
}
if (mResolveComponentName.equals(component)) {
return PackageParser.generateActivityInfo(mResolveActivity, flags,
new PackageUserState(), userId);
}
}
return null;
}
@Override
public boolean activitySupportsIntent(ComponentName component, Intent intent,
String resolvedType) {
synchronized (mPackages) {
if (component.equals(mResolveComponentName)) {
// The resolver supports EVERYTHING!
return true;
}
PackageParser.Activity a = mActivities.mActivities.get(component);
if (a == null) {
return false;
}
for (int i=0; i<a.intents.size(); i++) {
if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(),
intent.getData(), intent.getCategories(), TAG) >= 0) {
return true;
}
}
return false;
}
}
@Override
public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info");
synchronized (mPackages) {
PackageParser.Activity a = mReceivers.mActivities.get(component);
if (DEBUG_PACKAGE_INFO) Log.v(
TAG, "getReceiverInfo " + component + ": " + a);
if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
if (ps == null) return null;
return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
userId);
}
}
return null;
}
@Override
public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info");
synchronized (mPackages) {
PackageParser.Service s = mServices.mServices.get(component);
if (DEBUG_PACKAGE_INFO) Log.v(
TAG, "getServiceInfo " + component + ": " + s);
if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) {
PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
if (ps == null) return null;
return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId),
userId);
}
}
return null;
}
@Override
public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info");
synchronized (mPackages) {
PackageParser.Provider p = mProviders.mProviders.get(component);
if (DEBUG_PACKAGE_INFO) Log.v(
TAG, "getProviderInfo " + component + ": " + p);
if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) {
PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
if (ps == null) return null;
return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId),
userId);
}
}
return null;
}
@Override
public String[] getSystemSharedLibraryNames() {
Set<String> libSet;
synchronized (mPackages) {
libSet = mSharedLibraries.keySet();
int size = libSet.size();
if (size > 0) {
String[] libs = new String[size];
libSet.toArray(libs);
return libs;
}
}
return null;
}
/**
* @hide
*/
PackageParser.Package findSharedNonSystemLibrary(String libName) {
synchronized (mPackages) {
PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName);
if (lib != null && lib.apk != null) {
return mPackages.get(lib.apk);
}
}
return null;
}
@Override
public FeatureInfo[] getSystemAvailableFeatures() {
Collection<FeatureInfo> featSet;
synchronized (mPackages) {
featSet = mAvailableFeatures.values();
int size = featSet.size();
if (size > 0) {
FeatureInfo[] features = new FeatureInfo[size+1];
featSet.toArray(features);
FeatureInfo fi = new FeatureInfo();
fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version",
FeatureInfo.GL_ES_VERSION_UNDEFINED);
features[size] = fi;
return features;
}
}
return null;
}
@Override
public boolean hasSystemFeature(String name) {
synchronized (mPackages) {
return mAvailableFeatures.containsKey(name);
}
}
private void checkValidCaller(int uid, int userId) {
if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0)
return;
throw new SecurityException("Caller uid=" + uid
+ " is not privileged to communicate with user=" + userId);
}
@Override
public int checkPermission(String permName, String pkgName, int userId) {
if (!sUserManager.exists(userId)) {
return PackageManager.PERMISSION_DENIED;
}
synchronized (mPackages) {
final PackageParser.Package p = mPackages.get(pkgName);
if (p != null && p.mExtras != null) {
final PackageSetting ps = (PackageSetting) p.mExtras;
final PermissionsState permissionsState = ps.getPermissionsState();
if (permissionsState.hasPermission(permName, userId)) {
return PackageManager.PERMISSION_GRANTED;
}
// Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION
if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState
.hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) {
return PackageManager.PERMISSION_GRANTED;
}
}
}
return PackageManager.PERMISSION_DENIED;
}
@Override
public int checkUidPermission(String permName, int uid) {
final int userId = UserHandle.getUserId(uid);
if (!sUserManager.exists(userId)) {
return PackageManager.PERMISSION_DENIED;
}
synchronized (mPackages) {
Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
if (obj != null) {
final SettingBase ps = (SettingBase) obj;
final PermissionsState permissionsState = ps.getPermissionsState();
if (permissionsState.hasPermission(permName, userId)) {
return PackageManager.PERMISSION_GRANTED;
}
// Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION
if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState
.hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) {
return PackageManager.PERMISSION_GRANTED;
}
} else {
ArraySet<String> perms = mSystemPermissions.get(uid);
if (perms != null) {
if (perms.contains(permName)) {
return PackageManager.PERMISSION_GRANTED;
}
if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms
.contains(Manifest.permission.ACCESS_FINE_LOCATION)) {
return PackageManager.PERMISSION_GRANTED;
}
}
}
}
return PackageManager.PERMISSION_DENIED;
}
@Override
public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) {
if (UserHandle.getCallingUserId() != userId) {
mContext.enforceCallingPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
"isPermissionRevokedByPolicy for user " + userId);
}
if (checkPermission(permission, packageName, userId)
== PackageManager.PERMISSION_GRANTED) {
return false;
}
final long identity = Binder.clearCallingIdentity();
try {
final int flags = getPermissionFlags(permission, packageName, userId);
return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0;
} finally {
Binder.restoreCallingIdentity(identity);
}
}
@Override
public String getPermissionControllerPackageName() {
synchronized (mPackages) {
return mRequiredInstallerPackage;
}
}
/**
* Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS
* or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller.
* @param checkShell TODO(yamasani):
* @param message the message to log on security exception
*/
void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission,
boolean checkShell, String message) {
if (userId < 0) {
throw new IllegalArgumentException("Invalid userId " + userId);
}
if (checkShell) {
enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId);
}
if (userId == UserHandle.getUserId(callingUid)) return;
if (callingUid != Process.SYSTEM_UID && callingUid != 0) {
if (requireFullPermission) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
} else {
try {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
} catch (SecurityException se) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS, message);
}
}
}
}
void enforceShellRestriction(String restriction, int callingUid, int userHandle) {
if (callingUid == Process.SHELL_UID) {
if (userHandle >= 0
&& sUserManager.hasUserRestriction(restriction, userHandle)) {
throw new SecurityException("Shell does not have permission to access user "
+ userHandle);
} else if (userHandle < 0) {
Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t"
+ Debug.getCallers(3));
}
}
}
private BasePermission findPermissionTreeLP(String permName) {
for(BasePermission bp : mSettings.mPermissionTrees.values()) {
if (permName.startsWith(bp.name) &&
permName.length() > bp.name.length() &&
permName.charAt(bp.name.length()) == '.') {
return bp;
}
}
return null;
}
private BasePermission checkPermissionTreeLP(String permName) {
if (permName != null) {
BasePermission bp = findPermissionTreeLP(permName);
if (bp != null) {
if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) {
return bp;
}
throw new SecurityException("Calling uid "
+ Binder.getCallingUid()
+ " is not allowed to add to permission tree "
+ bp.name + " owned by uid " + bp.uid);
}
}
throw new SecurityException("No permission tree found for " + permName);
}
static boolean compareStrings(CharSequence s1, CharSequence s2) {
if (s1 == null) {
return s2 == null;
}
if (s2 == null) {
return false;
}
if (s1.getClass() != s2.getClass()) {
return false;
}
return s1.equals(s2);
}
static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) {
if (pi1.icon != pi2.icon) return false;
if (pi1.logo != pi2.logo) return false;
if (pi1.protectionLevel != pi2.protectionLevel) return false;
if (!compareStrings(pi1.name, pi2.name)) return false;
if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false;
// We'll take care of setting this one.
if (!compareStrings(pi1.packageName, pi2.packageName)) return false;
// These are not currently stored in settings.
//if (!compareStrings(pi1.group, pi2.group)) return false;
//if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false;
//if (pi1.labelRes != pi2.labelRes) return false;
//if (pi1.descriptionRes != pi2.descriptionRes) return false;
return true;
}
int permissionInfoFootprint(PermissionInfo info) {
int size = info.name.length();
if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length();
if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length();
return size;
}
int calculateCurrentPermissionFootprintLocked(BasePermission tree) {
int size = 0;
for (BasePermission perm : mSettings.mPermissions.values()) {
if (perm.uid == tree.uid) {
size += perm.name.length() + permissionInfoFootprint(perm.perm.info);
}
}
return size;
}
void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) {
// We calculate the max size of permissions defined by this uid and throw
// if that plus the size of 'info' would exceed our stated maximum.
if (tree.uid != Process.SYSTEM_UID) {
final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree);
if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) {
throw new SecurityException("Permission tree size cap exceeded");
}
}
}
boolean addPermissionLocked(PermissionInfo info, boolean async) {
if (info.labelRes == 0 && info.nonLocalizedLabel == null) {
throw new SecurityException("Label must be specified in permission");
}
BasePermission tree = checkPermissionTreeLP(info.name);
BasePermission bp = mSettings.mPermissions.get(info.name);
boolean added = bp == null;
boolean changed = true;
int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel);
if (added) {
enforcePermissionCapLocked(info, tree);
bp = new BasePermission(info.name, tree.sourcePackage,
BasePermission.TYPE_DYNAMIC);
} else if (bp.type != BasePermission.TYPE_DYNAMIC) {
throw new SecurityException(
"Not allowed to modify non-dynamic permission "
+ info.name);
} else {
if (bp.protectionLevel == fixedLevel
&& bp.perm.owner.equals(tree.perm.owner)
&& bp.uid == tree.uid
&& comparePermissionInfos(bp.perm.info, info)) {
changed = false;
}
}
bp.protectionLevel = fixedLevel;
info = new PermissionInfo(info);
info.protectionLevel = fixedLevel;
bp.perm = new PackageParser.Permission(tree.perm.owner, info);
bp.perm.info.packageName = tree.perm.info.packageName;
bp.uid = tree.uid;
if (added) {
mSettings.mPermissions.put(info.name, bp);
}
if (changed) {
if (!async) {
mSettings.writeLPr();
} else {
scheduleWriteSettingsLocked();
}
}
return added;
}
@Override
public boolean addPermission(PermissionInfo info) {
synchronized (mPackages) {
return addPermissionLocked(info, false);
}
}
@Override
public boolean addPermissionAsync(PermissionInfo info) {
synchronized (mPackages) {
return addPermissionLocked(info, true);
}
}
@Override
public void removePermission(String name) {
synchronized (mPackages) {
checkPermissionTreeLP(name);
BasePermission bp = mSettings.mPermissions.get(name);
if (bp != null) {
if (bp.type != BasePermission.TYPE_DYNAMIC) {
throw new SecurityException(
"Not allowed to modify non-dynamic permission "
+ name);
}
mSettings.mPermissions.remove(name);
mSettings.writeLPr();
}
}
}
private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg,
BasePermission bp) {
int index = pkg.requestedPermissions.indexOf(bp.name);
if (index == -1) {
throw new SecurityException("Package " + pkg.packageName
+ " has not requested permission " + bp.name);
}
if (!bp.isRuntime() && !bp.isDevelopment()) {
throw new SecurityException("Permission " + bp.name
+ " is not a changeable permission type");
}
}
@Override
public void grantRuntimePermission(String packageName, String name, final int userId) {
if (!sUserManager.exists(userId)) {
Log.e(TAG, "No such user:" + userId);
return;
}
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS,
"grantRuntimePermission");
enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
"grantRuntimePermission");
final int uid;
final SettingBase sb;
synchronized (mPackages) {
final PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null) {
throw new IllegalArgumentException("Unknown package: " + packageName);
}
final BasePermission bp = mSettings.mPermissions.get(name);
if (bp == null) {
throw new IllegalArgumentException("Unknown permission: " + name);
}
enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp);
uid = UserHandle.getUid(userId, pkg.applicationInfo.uid);
sb = (SettingBase) pkg.mExtras;
if (sb == null) {
throw new IllegalArgumentException("Unknown package: " + packageName);
}
final PermissionsState permissionsState = sb.getPermissionsState();
final int flags = permissionsState.getPermissionFlags(name, userId);
if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) {
throw new SecurityException("Cannot grant system fixed permission: "
+ name + " for package: " + packageName);
}
if (bp.isDevelopment()) {
// Development permissions must be handled specially, since they are not
// normal runtime permissions. For now they apply to all users.
if (permissionsState.grantInstallPermission(bp) !=
PermissionsState.PERMISSION_OPERATION_FAILURE) {
scheduleWriteSettingsLocked();
}
return;
}
final int result = permissionsState.grantRuntimePermission(bp, userId);
switch (result) {
case PermissionsState.PERMISSION_OPERATION_FAILURE: {
return;
}
case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: {
final int appId = UserHandle.getAppId(pkg.applicationInfo.uid);
mHandler.post(new Runnable() {
@Override
public void run() {
killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED);
}
});
}
break;
}
mOnPermissionChangeListeners.onPermissionsChanged(uid);
// Not critical if that is lost - app has to request again.
mSettings.writeRuntimePermissionsForUserLPr(userId, false);
}
// Only need to do this if user is initialized. Otherwise it's a new user
// and there are no processes running as the user yet and there's no need
// to make an expensive call to remount processes for the changed permissions.
if (READ_EXTERNAL_STORAGE.equals(name)
|| WRITE_EXTERNAL_STORAGE.equals(name)) {
final long token = Binder.clearCallingIdentity();
try {
if (sUserManager.isInitialized(userId)) {
MountServiceInternal mountServiceInternal = LocalServices.getService(
MountServiceInternal.class);
mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName);
}
} finally {
Binder.restoreCallingIdentity(token);
}
}
}
@Override
public void revokeRuntimePermission(String packageName, String name, int userId) {
if (!sUserManager.exists(userId)) {
Log.e(TAG, "No such user:" + userId);
return;
}
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS,
"revokeRuntimePermission");
enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
"revokeRuntimePermission");
final int appId;
synchronized (mPackages) {
final PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null) {
throw new IllegalArgumentException("Unknown package: " + packageName);
}
final BasePermission bp = mSettings.mPermissions.get(name);
if (bp == null) {
throw new IllegalArgumentException("Unknown permission: " + name);
}
enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp);
SettingBase sb = (SettingBase) pkg.mExtras;
if (sb == null) {
throw new IllegalArgumentException("Unknown package: " + packageName);
}
final PermissionsState permissionsState = sb.getPermissionsState();
final int flags = permissionsState.getPermissionFlags(name, userId);
if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) {
throw new SecurityException("Cannot revoke system fixed permission: "
+ name + " for package: " + packageName);
}
if (bp.isDevelopment()) {
// Development permissions must be handled specially, since they are not
// normal runtime permissions. For now they apply to all users.
if (permissionsState.revokeInstallPermission(bp) !=
PermissionsState.PERMISSION_OPERATION_FAILURE) {
scheduleWriteSettingsLocked();
}
return;
}
if (permissionsState.revokeRuntimePermission(bp, userId) ==
PermissionsState.PERMISSION_OPERATION_FAILURE) {
return;
}
mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid);
// Critical, after this call app should never have the permission.
mSettings.writeRuntimePermissionsForUserLPr(userId, true);
appId = UserHandle.getAppId(pkg.applicationInfo.uid);
}
killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED);
}
@Override
public void resetRuntimePermissions() {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS,
"revokeRuntimePermission");
int callingUid = Binder.getCallingUid();
if (callingUid != Process.SYSTEM_UID && callingUid != 0) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
"resetRuntimePermissions");
}
synchronized (mPackages) {
updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL);
for (int userId : UserManagerService.getInstance().getUserIds()) {
final int packageCount = mPackages.size();
for (int i = 0; i < packageCount; i++) {
PackageParser.Package pkg = mPackages.valueAt(i);
if (!(pkg.mExtras instanceof PackageSetting)) {
continue;
}
PackageSetting ps = (PackageSetting) pkg.mExtras;
resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId);
}
}
}
}
@Override
public int getPermissionFlags(String name, String packageName, int userId) {
if (!sUserManager.exists(userId)) {
return 0;
}
enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags");
enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
"getPermissionFlags");
synchronized (mPackages) {
final PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null) {
throw new IllegalArgumentException("Unknown package: " + packageName);
}
final BasePermission bp = mSettings.mPermissions.get(name);
if (bp == null) {
throw new IllegalArgumentException("Unknown permission: " + name);
}
SettingBase sb = (SettingBase) pkg.mExtras;
if (sb == null) {
throw new IllegalArgumentException("Unknown package: " + packageName);
}
PermissionsState permissionsState = sb.getPermissionsState();
return permissionsState.getPermissionFlags(name, userId);
}
}
@Override
public void updatePermissionFlags(String name, String packageName, int flagMask,
int flagValues, int userId) {
if (!sUserManager.exists(userId)) {
return;
}
enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags");
enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
"updatePermissionFlags");
// Only the system can change these flags and nothing else.
if (getCallingUid() != Process.SYSTEM_UID) {
flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED;
flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED;
flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT;
flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT;
}
synchronized (mPackages) {
final PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null) {
throw new IllegalArgumentException("Unknown package: " + packageName);
}
final BasePermission bp = mSettings.mPermissions.get(name);
if (bp == null) {
throw new IllegalArgumentException("Unknown permission: " + name);
}
SettingBase sb = (SettingBase) pkg.mExtras;
if (sb == null) {
throw new IllegalArgumentException("Unknown package: " + packageName);
}
PermissionsState permissionsState = sb.getPermissionsState();
// Only the package manager can change flags for system component permissions.
final int flags = permissionsState.getPermissionFlags(bp.name, userId);
if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) {
return;
}
boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null;
if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) {
// Install and runtime permissions are stored in different places,
// so figure out what permission changed and persist the change.
if (permissionsState.getInstallPermissionState(name) != null) {
scheduleWriteSettingsLocked();
} else if (permissionsState.getRuntimePermissionState(name, userId) != null
|| hadState) {
mSettings.writeRuntimePermissionsForUserLPr(userId, false);
}
}
}
}
/**
* Update the permission flags for all packages and runtime permissions of a user in order
* to allow device or profile owner to remove POLICY_FIXED.
*/
@Override
public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) {
if (!sUserManager.exists(userId)) {
return;
}
enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps");
enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
"updatePermissionFlagsForAllApps");
// Only the system can change system fixed flags.
if (getCallingUid() != Process.SYSTEM_UID) {
flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED;
flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED;
}
synchronized (mPackages) {
boolean changed = false;
final int packageCount = mPackages.size();
for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) {
final PackageParser.Package pkg = mPackages.valueAt(pkgIndex);
SettingBase sb = (SettingBase) pkg.mExtras;
if (sb == null) {
continue;
}
PermissionsState permissionsState = sb.getPermissionsState();
changed |= permissionsState.updatePermissionFlagsForAllPermissions(
userId, flagMask, flagValues);
}
if (changed) {
mSettings.writeRuntimePermissionsForUserLPr(userId, false);
}
}
}
private void enforceGrantRevokeRuntimePermissionPermissions(String message) {
if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS)
!= PackageManager.PERMISSION_GRANTED
&& mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException(message + " requires "
+ Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or "
+ Manifest.permission.REVOKE_RUNTIME_PERMISSIONS);
}
}
@Override
public boolean shouldShowRequestPermissionRationale(String permissionName,
String packageName, int userId) {
if (UserHandle.getCallingUserId() != userId) {
mContext.enforceCallingPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
"canShowRequestPermissionRationale for user " + userId);
}
final int uid = getPackageUid(packageName, userId);
if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) {
return false;
}
if (checkPermission(permissionName, packageName, userId)
== PackageManager.PERMISSION_GRANTED) {
return false;
}
final int flags;
final long identity = Binder.clearCallingIdentity();
try {
flags = getPermissionFlags(permissionName,
packageName, userId);
} finally {
Binder.restoreCallingIdentity(identity);
}
final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED
| PackageManager.FLAG_PERMISSION_POLICY_FIXED
| PackageManager.FLAG_PERMISSION_USER_FIXED;
if ((flags & fixedFlags) != 0) {
return false;
}
return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0;
}
@Override
public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) {
mContext.enforceCallingOrSelfPermission(
Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS,
"addOnPermissionsChangeListener");
synchronized (mPackages) {
mOnPermissionChangeListeners.addListenerLocked(listener);
}
}
@Override
public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) {
synchronized (mPackages) {
mOnPermissionChangeListeners.removeListenerLocked(listener);
}
}
@Override
public boolean isProtectedBroadcast(String actionName) {
synchronized (mPackages) {
return mProtectedBroadcasts.contains(actionName);
}
}
@Override
public int checkSignatures(String pkg1, String pkg2) {
synchronized (mPackages) {
final PackageParser.Package p1 = mPackages.get(pkg1);
final PackageParser.Package p2 = mPackages.get(pkg2);
if (p1 == null || p1.mExtras == null
|| p2 == null || p2.mExtras == null) {
return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
}
return compareSignatures(p1.mSignatures, p2.mSignatures);
}
}
@Override
public int checkUidSignatures(int uid1, int uid2) {
// Map to base uids.
uid1 = UserHandle.getAppId(uid1);
uid2 = UserHandle.getAppId(uid2);
// reader
synchronized (mPackages) {
Signature[] s1;
Signature[] s2;
Object obj = mSettings.getUserIdLPr(uid1);
if (obj != null) {
if (obj instanceof SharedUserSetting) {
s1 = ((SharedUserSetting)obj).signatures.mSignatures;
} else if (obj instanceof PackageSetting) {
s1 = ((PackageSetting)obj).signatures.mSignatures;
} else {
return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
}
} else {
return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
}
obj = mSettings.getUserIdLPr(uid2);
if (obj != null) {
if (obj instanceof SharedUserSetting) {
s2 = ((SharedUserSetting)obj).signatures.mSignatures;
} else if (obj instanceof PackageSetting) {
s2 = ((PackageSetting)obj).signatures.mSignatures;
} else {
return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
}
} else {
return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
}
return compareSignatures(s1, s2);
}
}
private void killUid(int appId, int userId, String reason) {
final long identity = Binder.clearCallingIdentity();
try {
IActivityManager am = ActivityManagerNative.getDefault();
if (am != null) {
try {
am.killUid(appId, userId, reason);
} catch (RemoteException e) {
/* ignore - same process */
}
}
} finally {
Binder.restoreCallingIdentity(identity);
}
}
/**
* Compares two sets of signatures. Returns:
* <br />
* {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null,
* <br />
* {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null,
* <br />
* {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null,
* <br />
* {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical,
* <br />
* {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ.
*/
static int compareSignatures(Signature[] s1, Signature[] s2) {
if (s1 == null) {
return s2 == null
? PackageManager.SIGNATURE_NEITHER_SIGNED
: PackageManager.SIGNATURE_FIRST_NOT_SIGNED;
}
if (s2 == null) {
return PackageManager.SIGNATURE_SECOND_NOT_SIGNED;
}
if (s1.length != s2.length) {
return PackageManager.SIGNATURE_NO_MATCH;
}
// Since both signature sets are of size 1, we can compare without HashSets.
if (s1.length == 1) {
return s1[0].equals(s2[0]) ?
PackageManager.SIGNATURE_MATCH :
PackageManager.SIGNATURE_NO_MATCH;
}
ArraySet<Signature> set1 = new ArraySet<Signature>();
for (Signature sig : s1) {
set1.add(sig);
}
ArraySet<Signature> set2 = new ArraySet<Signature>();
for (Signature sig : s2) {
set2.add(sig);
}
// Make sure s2 contains all signatures in s1.
if (set1.equals(set2)) {
return PackageManager.SIGNATURE_MATCH;
}
return PackageManager.SIGNATURE_NO_MATCH;
}
/**
* If the database version for this type of package (internal storage or
* external storage) is less than the version where package signatures
* were updated, return true.
*/
private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
final VersionInfo ver = getSettingsVersionForPackage(scannedPkg);
return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY;
}
/**
* Used for backward compatibility to make sure any packages with
* certificate chains get upgraded to the new style. {@code existingSigs}
* will be in the old format (since they were stored on disk from before the
* system upgrade) and {@code scannedSigs} will be in the newer format.
*/
private int compareSignaturesCompat(PackageSignatures existingSigs,
PackageParser.Package scannedPkg) {
if (!isCompatSignatureUpdateNeeded(scannedPkg)) {
return PackageManager.SIGNATURE_NO_MATCH;
}
ArraySet<Signature> existingSet = new ArraySet<Signature>();
for (Signature sig : existingSigs.mSignatures) {
existingSet.add(sig);
}
ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>();
for (Signature sig : scannedPkg.mSignatures) {
try {
Signature[] chainSignatures = sig.getChainSignatures();
for (Signature chainSig : chainSignatures) {
scannedCompatSet.add(chainSig);
}
} catch (CertificateEncodingException e) {
scannedCompatSet.add(sig);
}
}
/*
* Make sure the expanded scanned set contains all signatures in the
* existing one.
*/
if (scannedCompatSet.equals(existingSet)) {
// Migrate the old signatures to the new scheme.
existingSigs.assignSignatures(scannedPkg.mSignatures);
// The new KeySets will be re-added later in the scanning process.
synchronized (mPackages) {
mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName);
}
return PackageManager.SIGNATURE_MATCH;
}
return PackageManager.SIGNATURE_NO_MATCH;
}
private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
final VersionInfo ver = getSettingsVersionForPackage(scannedPkg);
return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER;
}
private int compareSignaturesRecover(PackageSignatures existingSigs,
PackageParser.Package scannedPkg) {
if (!isRecoverSignatureUpdateNeeded(scannedPkg)) {
return PackageManager.SIGNATURE_NO_MATCH;
}
String msg = null;
try {
if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) {
logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for "
+ scannedPkg.packageName);
return PackageManager.SIGNATURE_MATCH;
}
} catch (CertificateException e) {
msg = e.getMessage();
}
logCriticalInfo(Log.INFO,
"Failed to recover certificates for " + scannedPkg.packageName + ": " + msg);
return PackageManager.SIGNATURE_NO_MATCH;
}
@Override
public String[] getPackagesForUid(int uid) {
uid = UserHandle.getAppId(uid);
// reader
synchronized (mPackages) {
Object obj = mSettings.getUserIdLPr(uid);
if (obj instanceof SharedUserSetting) {
final SharedUserSetting sus = (SharedUserSetting) obj;
final int N = sus.packages.size();
final String[] res = new String[N];
final Iterator<PackageSetting> it = sus.packages.iterator();
int i = 0;
while (it.hasNext()) {
res[i++] = it.next().name;
}
return res;
} else if (obj instanceof PackageSetting) {
final PackageSetting ps = (PackageSetting) obj;
return new String[] { ps.name };
}
}
return null;
}
@Override
public String getNameForUid(int uid) {
// reader
synchronized (mPackages) {
Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
if (obj instanceof SharedUserSetting) {
final SharedUserSetting sus = (SharedUserSetting) obj;
return sus.name + ":" + sus.userId;
} else if (obj instanceof PackageSetting) {
final PackageSetting ps = (PackageSetting) obj;
return ps.name;
}
}
return null;
}
@Override
public int getUidForSharedUser(String sharedUserName) {
if(sharedUserName == null) {
return -1;
}
// reader
synchronized (mPackages) {
final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false);
if (suid == null) {
return -1;
}
return suid.userId;
}
}
@Override
public int getFlagsForUid(int uid) {
synchronized (mPackages) {
Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
if (obj instanceof SharedUserSetting) {
final SharedUserSetting sus = (SharedUserSetting) obj;
return sus.pkgFlags;
} else if (obj instanceof PackageSetting) {
final PackageSetting ps = (PackageSetting) obj;
return ps.pkgFlags;
}
}
return 0;
}
@Override
public int getPrivateFlagsForUid(int uid) {
synchronized (mPackages) {
Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
if (obj instanceof SharedUserSetting) {
final SharedUserSetting sus = (SharedUserSetting) obj;
return sus.pkgPrivateFlags;
} else if (obj instanceof PackageSetting) {
final PackageSetting ps = (PackageSetting) obj;
return ps.pkgPrivateFlags;
}
}
return 0;
}
@Override
public boolean isUidPrivileged(int uid) {
uid = UserHandle.getAppId(uid);
// reader
synchronized (mPackages) {
Object obj = mSettings.getUserIdLPr(uid);
if (obj instanceof SharedUserSetting) {
final SharedUserSetting sus = (SharedUserSetting) obj;
final Iterator<PackageSetting> it = sus.packages.iterator();
while (it.hasNext()) {
if (it.next().isPrivileged()) {
return true;
}
}
} else if (obj instanceof PackageSetting) {
final PackageSetting ps = (PackageSetting) obj;
return ps.isPrivileged();
}
}
return false;
}
@Override
public String[] getAppOpPermissionPackages(String permissionName) {
synchronized (mPackages) {
ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName);
if (pkgs == null) {
return null;
}
return pkgs.toArray(new String[pkgs.size()]);
}
}
@Override
public ResolveInfo resolveIntent(Intent intent, String resolvedType,
int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent");
List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
return chooseBestActivity(intent, resolvedType, flags, query, userId);
}
@Override
public void setLastChosenActivity(Intent intent, String resolvedType, int flags,
IntentFilter filter, int match, ComponentName activity) {
final int userId = UserHandle.getCallingUserId();
if (DEBUG_PREFERRED) {
Log.v(TAG, "setLastChosenActivity intent=" + intent
+ " resolvedType=" + resolvedType
+ " flags=" + flags
+ " filter=" + filter
+ " match=" + match
+ " activity=" + activity);
filter.dump(new PrintStreamPrinter(System.out), " ");
}
intent.setComponent(null);
List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
// Find any earlier preferred or last chosen entries and nuke them
findPreferredActivity(intent, resolvedType,
flags, query, 0, false, true, false, userId);
// Add the new activity as the last chosen for this filter
addPreferredActivityInternal(filter, match, null, activity, false, userId,
"Setting last chosen");
}
@Override
public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) {
final int userId = UserHandle.getCallingUserId();
if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent);
List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
return findPreferredActivity(intent, resolvedType, flags, query, 0,
false, false, false, userId);
}
private ResolveInfo chooseBestActivity(Intent intent, String resolvedType,
int flags, List<ResolveInfo> query, int userId) {
if (query != null) {
final int N = query.size();
if (N == 1) {
return query.get(0);
} else if (N > 1) {
final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0);
// If there is more than one activity with the same priority,
// then let the user decide between them.
ResolveInfo r0 = query.get(0);
ResolveInfo r1 = query.get(1);
if (DEBUG_INTENT_MATCHING || debug) {
Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs "
+ r1.activityInfo.name + "=" + r1.priority);
}
// If the first activity has a higher priority, or a different
// default, then it is always desireable to pick it.
if (r0.priority != r1.priority
|| r0.preferredOrder != r1.preferredOrder
|| r0.isDefault != r1.isDefault) {
return query.get(0);
}
// If we have saved a preference for a preferred activity for
// this Intent, use that.
ResolveInfo ri = findPreferredActivity(intent, resolvedType,
flags, query, r0.priority, true, false, debug, userId);
if (ri != null) {
return ri;
}
ri = new ResolveInfo(mResolveInfo);
ri.activityInfo = new ActivityInfo(ri.activityInfo);
ri.activityInfo.applicationInfo = new ApplicationInfo(
ri.activityInfo.applicationInfo);
if (userId != 0) {
ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId,
UserHandle.getAppId(ri.activityInfo.applicationInfo.uid));
}
// Make sure that the resolver is displayable in car mode
if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle();
ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true);
return ri;
}
}
return null;
}
private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType,
int flags, List<ResolveInfo> query, boolean debug, int userId) {
final int N = query.size();
PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
.get(userId);
// Get the list of persistent preferred activities that handle the intent
if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities...");
List<PersistentPreferredActivity> pprefs = ppir != null
? ppir.queryIntent(intent, resolvedType,
(flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
: null;
if (pprefs != null && pprefs.size() > 0) {
final int M = pprefs.size();
for (int i=0; i<M; i++) {
final PersistentPreferredActivity ppa = pprefs.get(i);
if (DEBUG_PREFERRED || debug) {
Slog.v(TAG, "Checking PersistentPreferredActivity ds="
+ (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>")
+ "\n component=" + ppa.mComponent);
ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " ");
}
final ActivityInfo ai = getActivityInfo(ppa.mComponent,
flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
if (DEBUG_PREFERRED || debug) {
Slog.v(TAG, "Found persistent preferred activity:");
if (ai != null) {
ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " ");
} else {
Slog.v(TAG, " null");
}
}
if (ai == null) {
// This previously registered persistent preferred activity
// component is no longer known. Ignore it and do NOT remove it.
continue;
}
for (int j=0; j<N; j++) {
final ResolveInfo ri = query.get(j);
if (!ri.activityInfo.applicationInfo.packageName
.equals(ai.applicationInfo.packageName)) {
continue;
}
if (!ri.activityInfo.name.equals(ai.name)) {
continue;
}
// Found a persistent preference that can handle the intent.
if (DEBUG_PREFERRED || debug) {
Slog.v(TAG, "Returning persistent preferred activity: " +
ri.activityInfo.packageName + "/" + ri.activityInfo.name);
}
return ri;
}
}
}
return null;
}
ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags,
List<ResolveInfo> query, int priority, boolean always,
boolean removeMatches, boolean debug, int userId) {
if (!sUserManager.exists(userId)) return null;
// writer
synchronized (mPackages) {
if (intent.getSelector() != null) {
intent = intent.getSelector();
}
if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION);
// Try to find a matching persistent preferred activity.
ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query,
debug, userId);
// If a persistent preferred activity matched, use it.
if (pri != null) {
return pri;
}
PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
// Get the list of preferred activities that handle the intent
if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities...");
List<PreferredActivity> prefs = pir != null
? pir.queryIntent(intent, resolvedType,
(flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
: null;
if (prefs != null && prefs.size() > 0) {
boolean changed = false;
try {
// First figure out how good the original match set is.
// We will only allow preferred activities that came
// from the same match quality.
int match = 0;
if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match...");
final int N = query.size();
for (int j=0; j<N; j++) {
final ResolveInfo ri = query.get(j);
if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo
+ ": 0x" + Integer.toHexString(match));
if (ri.match > match) {
match = ri.match;
}
}
if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x"
+ Integer.toHexString(match));
match &= IntentFilter.MATCH_CATEGORY_MASK;
final int M = prefs.size();
for (int i=0; i<M; i++) {
final PreferredActivity pa = prefs.get(i);
if (DEBUG_PREFERRED || debug) {
Slog.v(TAG, "Checking PreferredActivity ds="
+ (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>")
+ "\n component=" + pa.mPref.mComponent);
pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " ");
}
if (pa.mPref.mMatch != match) {
if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match "
+ Integer.toHexString(pa.mPref.mMatch));
continue;
}
// If it's not an "always" type preferred activity and that's what we're
// looking for, skip it.
if (always && !pa.mPref.mAlways) {
if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry");
continue;
}
final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent,
flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
if (DEBUG_PREFERRED || debug) {
Slog.v(TAG, "Found preferred activity:");
if (ai != null) {
ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " ");
} else {
Slog.v(TAG, " null");
}
}
if (ai == null) {
// This previously registered preferred activity
// component is no longer known. Most likely an update
// to the app was installed and in the new version this
// component no longer exists. Clean it up by removing
// it from the preferred activities list, and skip it.
Slog.w(TAG, "Removing dangling preferred activity: "
+ pa.mPref.mComponent);
pir.removeFilter(pa);
changed = true;
continue;
}
for (int j=0; j<N; j++) {
final ResolveInfo ri = query.get(j);
if (!ri.activityInfo.applicationInfo.packageName
.equals(ai.applicationInfo.packageName)) {
continue;
}
if (!ri.activityInfo.name.equals(ai.name)) {
continue;
}
if (removeMatches) {
pir.removeFilter(pa);
changed = true;
if (DEBUG_PREFERRED) {
Slog.v(TAG, "Removing match " + pa.mPref.mComponent);
}
break;
}
// Okay we found a previously set preferred or last chosen app.
// If the result set is different from when this
// was created, we need to clear it and re-ask the
// user their preference, if we're looking for an "always" type entry.
if (always && !pa.mPref.sameSet(query)) {
Slog.i(TAG, "Result set changed, dropping preferred activity for "
+ intent + " type " + resolvedType);
if (DEBUG_PREFERRED) {
Slog.v(TAG, "Removing preferred activity since set changed "
+ pa.mPref.mComponent);
}
pir.removeFilter(pa);
// Re-add the filter as a "last chosen" entry (!always)
PreferredActivity lastChosen = new PreferredActivity(
pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false);
pir.addFilter(lastChosen);
changed = true;
return null;
}
// Yay! Either the set matched or we're looking for the last chosen
if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: "
+ ri.activityInfo.packageName + "/" + ri.activityInfo.name);
return ri;
}
}
} finally {
if (changed) {
if (DEBUG_PREFERRED) {
Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions");
}
scheduleWritePackageRestrictionsLocked(userId);
}
}
}
}
if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return");
return null;
}
/*
* Returns if intent can be forwarded from the sourceUserId to the targetUserId
*/
@Override
public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId,
int targetUserId) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
List<CrossProfileIntentFilter> matches =
getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId);
if (matches != null) {
int size = matches.size();
for (int i = 0; i < size; i++) {
if (matches.get(i).getTargetUserId() == targetUserId) return true;
}
}
if (hasWebURI(intent)) {
// cross-profile app linking works only towards the parent.
final UserInfo parent = getProfileParent(sourceUserId);
synchronized(mPackages) {
CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr(
intent, resolvedType, 0, sourceUserId, parent.id);
return xpDomainInfo != null;
}
}
return false;
}
private UserInfo getProfileParent(int userId) {
final long identity = Binder.clearCallingIdentity();
try {
return sUserManager.getProfileParent(userId);
} finally {
Binder.restoreCallingIdentity(identity);
}
}
private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent,
String resolvedType, int userId) {
CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId);
if (resolver != null) {
return resolver.queryIntent(intent, resolvedType, false, userId);
}
return null;
}
@Override
public List<ResolveInfo> queryIntentActivities(Intent intent,
String resolvedType, int flags, int userId) {
if (!sUserManager.exists(userId)) return Collections.emptyList();
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities");
ComponentName comp = intent.getComponent();
if (comp == null) {
if (intent.getSelector() != null) {
intent = intent.getSelector();
comp = intent.getComponent();
}
}
if (comp != null) {
final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
final ActivityInfo ai = getActivityInfo(comp, flags, userId);
if (ai != null) {
final ResolveInfo ri = new ResolveInfo();
ri.activityInfo = ai;
list.add(ri);
}
return list;
}
// reader
synchronized (mPackages) {
final String pkgName = intent.getPackage();
if (pkgName == null) {
List<CrossProfileIntentFilter> matchingFilters =
getMatchingCrossProfileIntentFilters(intent, resolvedType, userId);
// Check for results that need to skip the current profile.
ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent,
resolvedType, flags, userId);
if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) {
List<ResolveInfo> result = new ArrayList<ResolveInfo>(1);
result.add(xpResolveInfo);
return filterIfNotPrimaryUser(result, userId);
}
// Check for results in the current profile.
List<ResolveInfo> result = mActivities.queryIntent(
intent, resolvedType, flags, userId);
// Check for cross profile results.
xpResolveInfo = queryCrossProfileIntents(
matchingFilters, intent, resolvedType, flags, userId);
if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) {
result.add(xpResolveInfo);
Collections.sort(result, mResolvePrioritySorter);
}
result = filterIfNotPrimaryUser(result, userId);
if (hasWebURI(intent)) {
CrossProfileDomainInfo xpDomainInfo = null;
final UserInfo parent = getProfileParent(userId);
if (parent != null) {
xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType,
flags, userId, parent.id);
}
if (xpDomainInfo != null) {
if (xpResolveInfo != null) {
// If we didn't remove it, the cross-profile ResolveInfo would be twice
// in the result.
result.remove(xpResolveInfo);
}
if (result.size() == 0) {
result.add(xpDomainInfo.resolveInfo);
return result;
}
} else if (result.size() <= 1) {
return result;
}
result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result,
xpDomainInfo, userId);
Collections.sort(result, mResolvePrioritySorter);
}
return result;
}
final PackageParser.Package pkg = mPackages.get(pkgName);
if (pkg != null) {
return filterIfNotPrimaryUser(
mActivities.queryIntentForPackage(
intent, resolvedType, flags, pkg.activities, userId),
userId);
}
return new ArrayList<ResolveInfo>();
}
}
private static class CrossProfileDomainInfo {
/* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */
ResolveInfo resolveInfo;
/* Best domain verification status of the activities found in the other profile */
int bestDomainVerificationStatus;
}
private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent,
String resolvedType, int flags, int sourceUserId, int parentUserId) {
if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING,
sourceUserId)) {
return null;
}
List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent,
resolvedType, flags, parentUserId);
if (resultTargetUser == null || resultTargetUser.isEmpty()) {
return null;
}
CrossProfileDomainInfo result = null;
int size = resultTargetUser.size();
for (int i = 0; i < size; i++) {
ResolveInfo riTargetUser = resultTargetUser.get(i);
// Intent filter verification is only for filters that specify a host. So don't return
// those that handle all web uris.
if (riTargetUser.handleAllWebDataURI) {
continue;
}
String packageName = riTargetUser.activityInfo.packageName;
PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps == null) {
continue;
}
long verificationState = getDomainVerificationStatusLPr(ps, parentUserId);
int status = (int)(verificationState >> 32);
if (result == null) {
result = new CrossProfileDomainInfo();
result.resolveInfo =
createForwardingResolveInfo(new IntentFilter(), sourceUserId, parentUserId);
result.bestDomainVerificationStatus = status;
} else {
result.bestDomainVerificationStatus = bestDomainVerificationStatus(status,
result.bestDomainVerificationStatus);
}
}
// Don't consider matches with status NEVER across profiles.
if (result != null && result.bestDomainVerificationStatus
== INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) {
return null;
}
return result;
}
/**
* Verification statuses are ordered from the worse to the best, except for
* INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse.
*/
private int bestDomainVerificationStatus(int status1, int status2) {
if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) {
return status2;
}
if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) {
return status1;
}
return (int) MathUtils.max(status1, status2);
}
private boolean isUserEnabled(int userId) {
long callingId = Binder.clearCallingIdentity();
try {
UserInfo userInfo = sUserManager.getUserInfo(userId);
return userInfo != null && userInfo.isEnabled();
} finally {
Binder.restoreCallingIdentity(callingId);
}
}
/**
* Filter out activities with primaryUserOnly flag set, when current user is not the owner.
*
* @return filtered list
*/
private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) {
if (userId == UserHandle.USER_OWNER) {
return resolveInfos;
}
for (int i = resolveInfos.size() - 1; i >= 0; i--) {
ResolveInfo info = resolveInfos.get(i);
if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) {
resolveInfos.remove(i);
}
}
return resolveInfos;
}
private static boolean hasWebURI(Intent intent) {
if (intent.getData() == null) {
return false;
}
final String scheme = intent.getScheme();
if (TextUtils.isEmpty(scheme)) {
return false;
}
return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS);
}
private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent,
int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo,
int userId) {
final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0;
if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) {
Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " +
candidates.size());
}
ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>();
ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>();
ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>();
ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>();
ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>();
ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>();
synchronized (mPackages) {
final int count = candidates.size();
// First, try to use linked apps. Partition the candidates into four lists:
// one for the final results, one for the "do not use ever", one for "undefined status"
// and finally one for "browser app type".
for (int n=0; n<count; n++) {
ResolveInfo info = candidates.get(n);
String packageName = info.activityInfo.packageName;
PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps != null) {
// Add to the special match all list (Browser use case)
if (info.handleAllWebDataURI) {
matchAllList.add(info);
continue;
}
// Try to get the status from User settings first
long packedStatus = getDomainVerificationStatusLPr(ps, userId);
int status = (int)(packedStatus >> 32);
int linkGeneration = (int)(packedStatus & 0xFFFFFFFF);
if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) {
if (DEBUG_DOMAIN_VERIFICATION) {
Slog.i(TAG, " + always: " + info.activityInfo.packageName
+ " : linkgen=" + linkGeneration);
}
// Use link-enabled generation as preferredOrder, i.e.
// prefer newly-enabled over earlier-enabled.
info.preferredOrder = linkGeneration;
alwaysList.add(info);
} else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) {
if (DEBUG_DOMAIN_VERIFICATION) {
Slog.i(TAG, " + never: " + info.activityInfo.packageName);
}
neverList.add(info);
} else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) {
if (DEBUG_DOMAIN_VERIFICATION) {
Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName);
}
alwaysAskList.add(info);
} else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED ||
status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) {
if (DEBUG_DOMAIN_VERIFICATION) {
Slog.i(TAG, " + ask: " + info.activityInfo.packageName);
}
undefinedList.add(info);
}
}
}
// We'll want to include browser possibilities in a few cases
boolean includeBrowser = false;
// First try to add the "always" resolution(s) for the current user, if any
if (alwaysList.size() > 0) {
result.addAll(alwaysList);
} else {
// Add all undefined apps as we want them to appear in the disambiguation dialog.
result.addAll(undefinedList);
// Maybe add one for the other profile.
if (xpDomainInfo != null && (
xpDomainInfo.bestDomainVerificationStatus
!= INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) {
result.add(xpDomainInfo.resolveInfo);
}
includeBrowser = true;
}
// The presence of any 'always ask' alternatives means we'll also offer browsers.
// If there were 'always' entries their preferred order has been set, so we also
// back that off to make the alternatives equivalent
if (alwaysAskList.size() > 0) {
for (ResolveInfo i : result) {
i.preferredOrder = 0;
}
result.addAll(alwaysAskList);
includeBrowser = true;
}
if (includeBrowser) {
// Also add browsers (all of them or only the default one)
if (DEBUG_DOMAIN_VERIFICATION) {
Slog.v(TAG, " ...including browsers in candidate set");
}
if ((matchFlags & MATCH_ALL) != 0) {
result.addAll(matchAllList);
} else {
// Browser/generic handling case. If there's a default browser, go straight
// to that (but only if there is no other higher-priority match).
final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId);
int maxMatchPrio = 0;
ResolveInfo defaultBrowserMatch = null;
final int numCandidates = matchAllList.size();
for (int n = 0; n < numCandidates; n++) {
ResolveInfo info = matchAllList.get(n);
// track the highest overall match priority...
if (info.priority > maxMatchPrio) {
maxMatchPrio = info.priority;
}
// ...and the highest-priority default browser match
if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) {
if (defaultBrowserMatch == null
|| (defaultBrowserMatch.priority < info.priority)) {
if (debug) {
Slog.v(TAG, "Considering default browser match " + info);
}
defaultBrowserMatch = info;
}
}
}
if (defaultBrowserMatch != null
&& defaultBrowserMatch.priority >= maxMatchPrio
&& !TextUtils.isEmpty(defaultBrowserPackageName))
{
if (debug) {
Slog.v(TAG, "Default browser match " + defaultBrowserMatch);
}
result.add(defaultBrowserMatch);
} else {
result.addAll(matchAllList);
}
}
// If there is nothing selected, add all candidates and remove the ones that the user
// has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state
if (result.size() == 0) {
result.addAll(candidates);
result.removeAll(neverList);
}
}
}
if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) {
Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " +
result.size());
for (ResolveInfo info : result) {
Slog.v(TAG, " + " + info.activityInfo);
}
}
return result;
}
// Returns a packed value as a long:
//
// high 'int'-sized word: link status: undefined/ask/never/always.
// low 'int'-sized word: relative priority among 'always' results.
private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) {
long result = ps.getDomainVerificationStatusForUser(userId);
// if none available, get the master status
if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) {
if (ps.getIntentFilterVerificationInfo() != null) {
result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32;
}
}
return result;
}
private ResolveInfo querySkipCurrentProfileIntents(
List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
int flags, int sourceUserId) {
if (matchingFilters != null) {
int size = matchingFilters.size();
for (int i = 0; i < size; i ++) {
CrossProfileIntentFilter filter = matchingFilters.get(i);
if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) {
// Checking if there are activities in the target user that can handle the
// intent.
ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
flags, sourceUserId);
if (resolveInfo != null) {
return resolveInfo;
}
}
}
}
return null;
}
// Return matching ResolveInfo if any for skip current profile intent filters.
private ResolveInfo queryCrossProfileIntents(
List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
int flags, int sourceUserId) {
if (matchingFilters != null) {
// Two {@link CrossProfileIntentFilter}s can have the same targetUserId and
// match the same intent. For performance reasons, it is better not to
// run queryIntent twice for the same userId
SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray();
int size = matchingFilters.size();
for (int i = 0; i < size; i++) {
CrossProfileIntentFilter filter = matchingFilters.get(i);
int targetUserId = filter.getTargetUserId();
if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0
&& !alreadyTriedUserIds.get(targetUserId)) {
// Checking if there are activities in the target user that can handle the
// intent.
ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
flags, sourceUserId);
if (resolveInfo != null) return resolveInfo;
alreadyTriedUserIds.put(targetUserId, true);
}
}
}
return null;
}
private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent,
String resolvedType, int flags, int sourceUserId) {
List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent,
resolvedType, flags, filter.getTargetUserId());
if (resultTargetUser != null && !resultTargetUser.isEmpty()) {
return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId());
}
return null;
}
private ResolveInfo createForwardingResolveInfo(IntentFilter filter,
int sourceUserId, int targetUserId) {
ResolveInfo forwardingResolveInfo = new ResolveInfo();
String className;
if (targetUserId == UserHandle.USER_OWNER) {
className = FORWARD_INTENT_TO_USER_OWNER;
} else {
className = FORWARD_INTENT_TO_MANAGED_PROFILE;
}
ComponentName forwardingActivityComponentName = new ComponentName(
mAndroidApplication.packageName, className);
ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0,
sourceUserId);
if (targetUserId == UserHandle.USER_OWNER) {
forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER;
forwardingResolveInfo.noResourceId = true;
}
forwardingResolveInfo.activityInfo = forwardingActivityInfo;
forwardingResolveInfo.priority = 0;
forwardingResolveInfo.preferredOrder = 0;
forwardingResolveInfo.match = 0;
forwardingResolveInfo.isDefault = true;
forwardingResolveInfo.filter = filter;
forwardingResolveInfo.targetUserId = targetUserId;
return forwardingResolveInfo;
}
@Override
public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller,
Intent[] specifics, String[] specificTypes, Intent intent,
String resolvedType, int flags, int userId) {
if (!sUserManager.exists(userId)) return Collections.emptyList();
enforceCrossUserPermission(Binder.getCallingUid(), userId, false,
false, "query intent activity options");
final String resultsAction = intent.getAction();
List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags
| PackageManager.GET_RESOLVED_FILTER, userId);
if (DEBUG_INTENT_MATCHING) {
Log.v(TAG, "Query " + intent + ": " + results);
}
int specificsPos = 0;
int N;
// todo: note that the algorithm used here is O(N^2). This
// isn't a problem in our current environment, but if we start running
// into situations where we have more than 5 or 10 matches then this
// should probably be changed to something smarter...
// First we go through and resolve each of the specific items
// that were supplied, taking care of removing any corresponding
// duplicate items in the generic resolve list.
if (specifics != null) {
for (int i=0; i<specifics.length; i++) {
final Intent sintent = specifics[i];
if (sintent == null) {
continue;
}
if (DEBUG_INTENT_MATCHING) {
Log.v(TAG, "Specific #" + i + ": " + sintent);
}
String action = sintent.getAction();
if (resultsAction != null && resultsAction.equals(action)) {
// If this action was explicitly requested, then don't
// remove things that have it.
action = null;
}
ResolveInfo ri = null;
ActivityInfo ai = null;
ComponentName comp = sintent.getComponent();
if (comp == null) {
ri = resolveIntent(
sintent,
specificTypes != null ? specificTypes[i] : null,
flags, userId);
if (ri == null) {
continue;
}
if (ri == mResolveInfo) {
// ACK! Must do something better with this.
}
ai = ri.activityInfo;
comp = new ComponentName(ai.applicationInfo.packageName,
ai.name);
} else {
ai = getActivityInfo(comp, flags, userId);
if (ai == null) {
continue;
}
}
// Look for any generic query activities that are duplicates
// of this specific one, and remove them from the results.
if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai);
N = results.size();
int j;
for (j=specificsPos; j<N; j++) {
ResolveInfo sri = results.get(j);
if ((sri.activityInfo.name.equals(comp.getClassName())
&& sri.activityInfo.applicationInfo.packageName.equals(
comp.getPackageName()))
|| (action != null && sri.filter.matchAction(action))) {
results.remove(j);
if (DEBUG_INTENT_MATCHING) Log.v(
TAG, "Removing duplicate item from " + j
+ " due to specific " + specificsPos);
if (ri == null) {
ri = sri;
}
j--;
N--;
}
}
// Add this specific item to its proper place.
if (ri == null) {
ri = new ResolveInfo();
ri.activityInfo = ai;
}
results.add(specificsPos, ri);
ri.specificIndex = i;
specificsPos++;
}
}
// Now we go through the remaining generic results and remove any
// duplicate actions that are found here.
N = results.size();
for (int i=specificsPos; i<N-1; i++) {
final ResolveInfo rii = results.get(i);
if (rii.filter == null) {
continue;
}
// Iterate over all of the actions of this result's intent
// filter... typically this should be just one.
final Iterator<String> it = rii.filter.actionsIterator();
if (it == null) {
continue;
}
while (it.hasNext()) {
final String action = it.next();
if (resultsAction != null && resultsAction.equals(action)) {
// If this action was explicitly requested, then don't
// remove things that have it.
continue;
}
for (int j=i+1; j<N; j++) {
final ResolveInfo rij = results.get(j);
if (rij.filter != null && rij.filter.hasAction(action)) {
results.remove(j);
if (DEBUG_INTENT_MATCHING) Log.v(
TAG, "Removing duplicate item from " + j
+ " due to action " + action + " at " + i);
j--;
N--;
}
}
}
// If the caller didn't request filter information, drop it now
// so we don't have to marshall/unmarshall it.
if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
rii.filter = null;
}
}
// Filter out the caller activity if so requested.
if (caller != null) {
N = results.size();
for (int i=0; i<N; i++) {
ActivityInfo ainfo = results.get(i).activityInfo;
if (caller.getPackageName().equals(ainfo.applicationInfo.packageName)
&& caller.getClassName().equals(ainfo.name)) {
results.remove(i);
break;
}
}
}
// If the caller didn't request filter information,
// drop them now so we don't have to
// marshall/unmarshall it.
if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
N = results.size();
for (int i=0; i<N; i++) {
results.get(i).filter = null;
}
}
if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results);
return results;
}
@Override
public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags,
int userId) {
if (!sUserManager.exists(userId)) return Collections.emptyList();
ComponentName comp = intent.getComponent();
if (comp == null) {
if (intent.getSelector() != null) {
intent = intent.getSelector();
comp = intent.getComponent();
}
}
if (comp != null) {
List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
ActivityInfo ai = getReceiverInfo(comp, flags, userId);
if (ai != null) {
ResolveInfo ri = new ResolveInfo();
ri.activityInfo = ai;
list.add(ri);
}
return list;
}
// reader
synchronized (mPackages) {
String pkgName = intent.getPackage();
if (pkgName == null) {
return mReceivers.queryIntent(intent, resolvedType, flags, userId);
}
final PackageParser.Package pkg = mPackages.get(pkgName);
if (pkg != null) {
return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers,
userId);
}
return null;
}
}
@Override
public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) {
List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId);
if (!sUserManager.exists(userId)) return null;
if (query != null) {
if (query.size() >= 1) {
// If there is more than one service with the same priority,
// just arbitrarily pick the first one.
return query.get(0);
}
}
return null;
}
@Override
public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags,
int userId) {
if (!sUserManager.exists(userId)) return Collections.emptyList();
ComponentName comp = intent.getComponent();
if (comp == null) {
if (intent.getSelector() != null) {
intent = intent.getSelector();
comp = intent.getComponent();
}
}
if (comp != null) {
final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
final ServiceInfo si = getServiceInfo(comp, flags, userId);
if (si != null) {
final ResolveInfo ri = new ResolveInfo();
ri.serviceInfo = si;
list.add(ri);
}
return list;
}
// reader
synchronized (mPackages) {
String pkgName = intent.getPackage();
if (pkgName == null) {
return mServices.queryIntent(intent, resolvedType, flags, userId);
}
final PackageParser.Package pkg = mPackages.get(pkgName);
if (pkg != null) {
return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services,
userId);
}
return null;
}
}
@Override
public List<ResolveInfo> queryIntentContentProviders(
Intent intent, String resolvedType, int flags, int userId) {
if (!sUserManager.exists(userId)) return Collections.emptyList();
ComponentName comp = intent.getComponent();
if (comp == null) {
if (intent.getSelector() != null) {
intent = intent.getSelector();
comp = intent.getComponent();
}
}
if (comp != null) {
final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
final ProviderInfo pi = getProviderInfo(comp, flags, userId);
if (pi != null) {
final ResolveInfo ri = new ResolveInfo();
ri.providerInfo = pi;
list.add(ri);
}
return list;
}
// reader
synchronized (mPackages) {
String pkgName = intent.getPackage();
if (pkgName == null) {
return mProviders.queryIntent(intent, resolvedType, flags, userId);
}
final PackageParser.Package pkg = mPackages.get(pkgName);
if (pkg != null) {
return mProviders.queryIntentForPackage(
intent, resolvedType, flags, pkg.providers, userId);
}
return null;
}
}
@Override
public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) {
final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages");
// writer
synchronized (mPackages) {
ArrayList<PackageInfo> list;
if (listUninstalled) {
list = new ArrayList<PackageInfo>(mSettings.mPackages.size());
for (PackageSetting ps : mSettings.mPackages.values()) {
PackageInfo pi;
if (ps.pkg != null) {
pi = generatePackageInfo(ps.pkg, flags, userId);
} else {
pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
}
if (pi != null) {
list.add(pi);
}
}
} else {
list = new ArrayList<PackageInfo>(mPackages.size());
for (PackageParser.Package p : mPackages.values()) {
PackageInfo pi = generatePackageInfo(p, flags, userId);
if (pi != null) {
list.add(pi);
}
}
}
return new ParceledListSlice<PackageInfo>(list);
}
}
private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps,
String[] permissions, boolean[] tmp, int flags, int userId) {
int numMatch = 0;
final PermissionsState permissionsState = ps.getPermissionsState();
for (int i=0; i<permissions.length; i++) {
final String permission = permissions[i];
if (permissionsState.hasPermission(permission, userId)) {
tmp[i] = true;
numMatch++;
} else {
tmp[i] = false;
}
}
if (numMatch == 0) {
return;
}
PackageInfo pi;
if (ps.pkg != null) {
pi = generatePackageInfo(ps.pkg, flags, userId);
} else {
pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
}
// The above might return null in cases of uninstalled apps or install-state
// skew across users/profiles.
if (pi != null) {
if ((flags&PackageManager.GET_PERMISSIONS) == 0) {
if (numMatch == permissions.length) {
pi.requestedPermissions = permissions;
} else {
pi.requestedPermissions = new String[numMatch];
numMatch = 0;
for (int i=0; i<permissions.length; i++) {
if (tmp[i]) {
pi.requestedPermissions[numMatch] = permissions[i];
numMatch++;
}
}
}
}
list.add(pi);
}
}
@Override
public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions(
String[] permissions, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
// writer
synchronized (mPackages) {
ArrayList<PackageInfo> list = new ArrayList<PackageInfo>();
boolean[] tmpBools = new boolean[permissions.length];
if (listUninstalled) {
for (PackageSetting ps : mSettings.mPackages.values()) {
addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId);
}
} else {
for (PackageParser.Package pkg : mPackages.values()) {
PackageSetting ps = (PackageSetting)pkg.mExtras;
if (ps != null) {
addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags,
userId);
}
}
}
return new ParceledListSlice<PackageInfo>(list);
}
}
@Override
public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
// writer
synchronized (mPackages) {
ArrayList<ApplicationInfo> list;
if (listUninstalled) {
list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size());
for (PackageSetting ps : mSettings.mPackages.values()) {
ApplicationInfo ai;
if (ps.pkg != null) {
ai = PackageParser.generateApplicationInfo(ps.pkg, flags,
ps.readUserState(userId), userId);
} else {
ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId);
}
if (ai != null) {
list.add(ai);
}
}
} else {
list = new ArrayList<ApplicationInfo>(mPackages.size());
for (PackageParser.Package p : mPackages.values()) {
if (p.mExtras != null) {
ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
((PackageSetting)p.mExtras).readUserState(userId), userId);
if (ai != null) {
list.add(ai);
}
}
}
}
return new ParceledListSlice<ApplicationInfo>(list);
}
}
public List<ApplicationInfo> getPersistentApplications(int flags) {
final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>();
// reader
synchronized (mPackages) {
final Iterator<PackageParser.Package> i = mPackages.values().iterator();
final int userId = UserHandle.getCallingUserId();
while (i.hasNext()) {
final PackageParser.Package p = i.next();
if (p.applicationInfo != null
&& (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0
&& (!mSafeMode || isSystemApp(p))) {
PackageSetting ps = mSettings.mPackages.get(p.packageName);
if (ps != null) {
ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
ps.readUserState(userId), userId);
if (ai != null) {
finalList.add(ai);
}
}
}
}
}
return finalList;
}
@Override
public ProviderInfo resolveContentProvider(String name, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
// reader
synchronized (mPackages) {
final PackageParser.Provider provider = mProvidersByAuthority.get(name);
PackageSetting ps = provider != null
? mSettings.mPackages.get(provider.owner.packageName)
: null;
return ps != null
&& mSettings.isEnabledLPr(provider.info, flags, userId)
&& (!mSafeMode || (provider.info.applicationInfo.flags
&ApplicationInfo.FLAG_SYSTEM) != 0)
? PackageParser.generateProviderInfo(provider, flags,
ps.readUserState(userId), userId)
: null;
}
}
/**
* @deprecated
*/
@Deprecated
public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) {
// reader
synchronized (mPackages) {
final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority
.entrySet().iterator();
final int userId = UserHandle.getCallingUserId();
while (i.hasNext()) {
Map.Entry<String, PackageParser.Provider> entry = i.next();
PackageParser.Provider p = entry.getValue();
PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
if (ps != null && p.syncable
&& (!mSafeMode || (p.info.applicationInfo.flags
&ApplicationInfo.FLAG_SYSTEM) != 0)) {
ProviderInfo info = PackageParser.generateProviderInfo(p, 0,
ps.readUserState(userId), userId);
if (info != null) {
outNames.add(entry.getKey());
outInfo.add(info);
}
}
}
}
}
@Override
public ParceledListSlice<ProviderInfo> queryContentProviders(String processName,
int uid, int flags) {
ArrayList<ProviderInfo> finalList = null;
// reader
synchronized (mPackages) {
final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator();
final int userId = processName != null ?
UserHandle.getUserId(uid) : UserHandle.getCallingUserId();
while (i.hasNext()) {
final PackageParser.Provider p = i.next();
PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
if (ps != null && p.info.authority != null
&& (processName == null
|| (p.info.processName.equals(processName)
&& UserHandle.isSameApp(p.info.applicationInfo.uid, uid)))
&& mSettings.isEnabledLPr(p.info, flags, userId)
&& (!mSafeMode
|| (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) {
if (finalList == null) {
finalList = new ArrayList<ProviderInfo>(3);
}
ProviderInfo info = PackageParser.generateProviderInfo(p, flags,
ps.readUserState(userId), userId);
if (info != null) {
finalList.add(info);
}
}
}
}
if (finalList != null) {
Collections.sort(finalList, mProviderInitOrderSorter);
return new ParceledListSlice<ProviderInfo>(finalList);
}
return null;
}
@Override
public InstrumentationInfo getInstrumentationInfo(ComponentName name,
int flags) {
// reader
synchronized (mPackages) {
final PackageParser.Instrumentation i = mInstrumentation.get(name);
return PackageParser.generateInstrumentationInfo(i, flags);
}
}
@Override
public List<InstrumentationInfo> queryInstrumentation(String targetPackage,
int flags) {
ArrayList<InstrumentationInfo> finalList =
new ArrayList<InstrumentationInfo>();
// reader
synchronized (mPackages) {
final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator();
while (i.hasNext()) {
final PackageParser.Instrumentation p = i.next();
if (targetPackage == null
|| targetPackage.equals(p.info.targetPackage)) {
InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p,
flags);
if (ii != null) {
finalList.add(ii);
}
}
}
}
return finalList;
}
private void createIdmapsForPackageLI(PackageParser.Package pkg) {
ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName);
if (overlays == null) {
Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages");
return;
}
for (PackageParser.Package opkg : overlays.values()) {
// Not much to do if idmap fails: we already logged the error
// and we certainly don't want to abort installation of pkg simply
// because an overlay didn't fit properly. For these reasons,
// ignore the return value of createIdmapForPackagePairLI.
createIdmapForPackagePairLI(pkg, opkg);
}
}
private boolean createIdmapForPackagePairLI(PackageParser.Package pkg,
PackageParser.Package opkg) {
if (!opkg.mTrustedOverlay) {
Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " +
opkg.baseCodePath + ": overlay not trusted");
return false;
}
ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName);
if (overlaySet == null) {
Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " +
opkg.baseCodePath + " but target package has no known overlays");
return false;
}
final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
// TODO: generate idmap for split APKs
if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) {
Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and "
+ opkg.baseCodePath);
return false;
}
PackageParser.Package[] overlayArray =
overlaySet.values().toArray(new PackageParser.Package[0]);
Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() {
public int compare(PackageParser.Package p1, PackageParser.Package p2) {
return p1.mOverlayPriority - p2.mOverlayPriority;
}
};
Arrays.sort(overlayArray, cmp);
pkg.applicationInfo.resourceDirs = new String[overlayArray.length];
int i = 0;
for (PackageParser.Package p : overlayArray) {
pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath;
}
return true;
}
private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) {
final File[] files = dir.listFiles();
if (ArrayUtils.isEmpty(files)) {
Log.d(TAG, "No files in app dir " + dir);
return;
}
if (DEBUG_PACKAGE_SCANNING) {
Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags
+ " flags=0x" + Integer.toHexString(parseFlags));
}
for (File file : files) {
final boolean isPackage = (isApkFile(file) || file.isDirectory())
&& !PackageInstallerService.isStageName(file.getName());
if (!isPackage) {
// Ignore entries which are not packages
continue;
}
try {
scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK,
scanFlags, currentTime, null);
} catch (PackageManagerException e) {
Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage());
// Delete invalid userdata apps
if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 &&
e.error == PackageManager.INSTALL_FAILED_INVALID_APK) {
logCriticalInfo(Log.WARN, "Deleting invalid package at " + file);
if (file.isDirectory()) {
mInstaller.rmPackageDir(file.getAbsolutePath());
} else {
file.delete();
}
}
}
}
}
private static File getSettingsProblemFile() {
File dataDir = Environment.getDataDirectory();
File systemDir = new File(dataDir, "system");
File fname = new File(systemDir, "uiderrors.txt");
return fname;
}
static void reportSettingsProblem(int priority, String msg) {
logCriticalInfo(priority, msg);
}
static void logCriticalInfo(int priority, String msg) {
Slog.println(priority, TAG, msg);
EventLogTags.writePmCriticalInfo(msg);
try {
File fname = getSettingsProblemFile();
FileOutputStream out = new FileOutputStream(fname, true);
PrintWriter pw = new FastPrintWriter(out);
SimpleDateFormat formatter = new SimpleDateFormat();
String dateString = formatter.format(new Date(System.currentTimeMillis()));
pw.println(dateString + ": " + msg);
pw.close();
FileUtils.setPermissions(
fname.toString(),
FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH,
-1, -1);
} catch (java.io.IOException e) {
}
}
private void collectCertificatesLI(PackageParser pp, PackageSetting ps,
PackageParser.Package pkg, File srcFile, int parseFlags)
throws PackageManagerException {
if (ps != null
&& ps.codePath.equals(srcFile)
&& ps.timeStamp == srcFile.lastModified()
&& !isCompatSignatureUpdateNeeded(pkg)
&& !isRecoverSignatureUpdateNeeded(pkg)) {
long mSigningKeySetId = ps.keySetData.getProperSigningKeySet();
KeySetManagerService ksms = mSettings.mKeySetManagerService;
ArraySet<PublicKey> signingKs;
synchronized (mPackages) {
signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId);
}
if (ps.signatures.mSignatures != null
&& ps.signatures.mSignatures.length != 0
&& signingKs != null) {
// Optimization: reuse the existing cached certificates
// if the package appears to be unchanged.
pkg.mSignatures = ps.signatures.mSignatures;
pkg.mSigningKeys = signingKs;
return;
}
Slog.w(TAG, "PackageSetting for " + ps.name
+ " is missing signatures. Collecting certs again to recover them.");
} else {
Log.i(TAG, srcFile.toString() + " changed; collecting certs");
}
try {
pp.collectCertificates(pkg, parseFlags);
pp.collectManifestDigest(pkg);
} catch (PackageParserException e) {
throw PackageManagerException.from(e);
}
}
/*
* Scan a package and return the newly parsed package.
* Returns null in case of errors and the error code is stored in mLastScanError
*/
private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags,
long currentTime, UserHandle user) throws PackageManagerException {
if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile);
parseFlags |= mDefParseFlags;
PackageParser pp = new PackageParser();
pp.setSeparateProcesses(mSeparateProcesses);
pp.setOnlyCoreApps(mOnlyCore);
pp.setDisplayMetrics(mMetrics);
if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) {
parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY;
}
final PackageParser.Package pkg;
try {
pkg = pp.parsePackage(scanFile, parseFlags);
} catch (PackageParserException e) {
throw PackageManagerException.from(e);
}
PackageSetting ps = null;
PackageSetting updatedPkg;
// reader
synchronized (mPackages) {
// Look to see if we already know about this package.
String oldName = mSettings.mRenamedPackages.get(pkg.packageName);
if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) {
// This package has been renamed to its original name. Let's
// use that.
ps = mSettings.peekPackageLPr(oldName);
}
// If there was no original package, see one for the real package name.
if (ps == null) {
ps = mSettings.peekPackageLPr(pkg.packageName);
}
// Check to see if this package could be hiding/updating a system
// package. Must look for it either under the original or real
// package name depending on our state.
updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName);
if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg);
}
boolean updatedPkgBetter = false;
// First check if this is a system package that may involve an update
if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
// If new package is not located in "/system/priv-app" (e.g. due to an OTA),
// it needs to drop FLAG_PRIVILEGED.
if (locationIsPrivileged(scanFile)) {
updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
} else {
updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
}
if (ps != null && !ps.codePath.equals(scanFile)) {
// The path has changed from what was last scanned... check the
// version of the new path against what we have stored to determine
// what to do.
if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath);
if (pkg.mVersionCode <= ps.versionCode) {
// The system package has been updated and the code path does not match
// Ignore entry. Skip it.
if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile
+ " ignored: updated version " + ps.versionCode
+ " better than this " + pkg.mVersionCode);
if (!updatedPkg.codePath.equals(scanFile)) {
Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : "
+ ps.name + " changing from " + updatedPkg.codePathString
+ " to " + scanFile);
updatedPkg.codePath = scanFile;
updatedPkg.codePathString = scanFile.toString();
updatedPkg.resourcePath = scanFile;
updatedPkg.resourcePathString = scanFile.toString();
}
updatedPkg.pkg = pkg;
throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
"Package " + ps.name + " at " + scanFile
+ " ignored: updated version " + ps.versionCode
+ " better than this " + pkg.mVersionCode);
} else {
// The current app on the system partition is better than
// what we have updated to on the data partition; switch
// back to the system partition version.
// At this point, its safely assumed that package installation for
// apps in system partition will go through. If not there won't be a working
// version of the app
// writer
synchronized (mPackages) {
// Just remove the loaded entries from package lists.
mPackages.remove(ps.name);
}
logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile
+ " reverting from " + ps.codePathString
+ ": new version " + pkg.mVersionCode
+ " better than installed " + ps.versionCode);
InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps));
synchronized (mInstallLock) {
args.cleanUpResourcesLI();
}
synchronized (mPackages) {
mSettings.enableSystemPackageLPw(ps.name);
}
updatedPkgBetter = true;
}
}
}
if (updatedPkg != null) {
// An updated system app will not have the PARSE_IS_SYSTEM flag set
// initially
parseFlags |= PackageParser.PARSE_IS_SYSTEM;
// An updated privileged app will not have the PARSE_IS_PRIVILEGED
// flag set initially
if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) {
parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
}
}
// Verify certificates against what was last scanned
collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags);
/*
* A new system app appeared, but we already had a non-system one of the
* same name installed earlier.
*/
boolean shouldHideSystemApp = false;
if (updatedPkg == null && ps != null
&& (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) {
/*
* Check to make sure the signatures match first. If they don't,
* wipe the installed application and its data.
*/
if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures)
!= PackageManager.SIGNATURE_MATCH) {
logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but"
+ " signatures don't match existing userdata copy; removing");
deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false);
ps = null;
} else {
/*
* If the newly-added system app is an older version than the
* already installed version, hide it. It will be scanned later
* and re-added like an update.
*/
if (pkg.mVersionCode <= ps.versionCode) {
shouldHideSystemApp = true;
logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile
+ " but new version " + pkg.mVersionCode + " better than installed "
+ ps.versionCode + "; hiding system");
} else {
/*
* The newly found system app is a newer version that the
* one previously installed. Simply remove the
* already-installed application and replace it with our own
* while keeping the application data.
*/
logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile
+ " reverting from " + ps.codePathString + ": new version "
+ pkg.mVersionCode + " better than installed " + ps.versionCode);
InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps));
synchronized (mInstallLock) {
args.cleanUpResourcesLI();
}
}
}
}
// The apk is forward locked (not public) if its code and resources
// are kept in different files. (except for app in either system or
// vendor path).
// TODO grab this value from PackageSettings
if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
if (ps != null && !ps.codePath.equals(ps.resourcePath)) {
parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
}
}
// TODO: extend to support forward-locked splits
String resourcePath = null;
String baseResourcePath = null;
if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) {
if (ps != null && ps.resourcePathString != null) {
resourcePath = ps.resourcePathString;
baseResourcePath = ps.resourcePathString;
} else {
// Should not happen at all. Just log an error.
Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName);
}
} else {
resourcePath = pkg.codePath;
baseResourcePath = pkg.baseCodePath;
}
// Set application objects path explicitly.
pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
pkg.applicationInfo.setCodePath(pkg.codePath);
pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
pkg.applicationInfo.setResourcePath(resourcePath);
pkg.applicationInfo.setBaseResourcePath(baseResourcePath);
pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
// Note that we invoke the following method only if we are about to unpack an application
PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags
| SCAN_UPDATE_SIGNATURE, currentTime, user);
/*
* If the system app should be overridden by a previously installed
* data, hide the system app now and let the /data/app scan pick it up
* again.
*/
if (shouldHideSystemApp) {
synchronized (mPackages) {
mSettings.disableSystemPackageLPw(pkg.packageName);
}
}
return scannedPkg;
}
private static String fixProcessName(String defProcessName,
String processName, int uid) {
if (processName == null) {
return defProcessName;
}
return processName;
}
private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg)
throws PackageManagerException {
if (pkgSetting.signatures.mSignatures != null) {
// Already existing package. Make sure signatures match
boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures)
== PackageManager.SIGNATURE_MATCH;
if (!match) {
match = compareSignaturesCompat(pkgSetting.signatures, pkg)
== PackageManager.SIGNATURE_MATCH;
}
if (!match) {
match = compareSignaturesRecover(pkgSetting.signatures, pkg)
== PackageManager.SIGNATURE_MATCH;
}
if (!match) {
throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
+ pkg.packageName + " signatures do not match the "
+ "previously installed version; ignoring!");
}
}
// Check for shared user signatures
if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) {
// Already existing package. Make sure signatures match
boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
if (!match) {
match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg)
== PackageManager.SIGNATURE_MATCH;
}
if (!match) {
match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg)
== PackageManager.SIGNATURE_MATCH;
}
if (!match) {
throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
"Package " + pkg.packageName
+ " has no signatures that match those in shared user "
+ pkgSetting.sharedUser.name + "; ignoring!");
}
}
}
/**
* Enforces that only the system UID or root's UID can call a method exposed
* via Binder.
*
* @param message used as message if SecurityException is thrown
* @throws SecurityException if the caller is not system or root
*/
private static final void enforceSystemOrRoot(String message) {
final int uid = Binder.getCallingUid();
if (uid != Process.SYSTEM_UID && uid != 0) {
throw new SecurityException(message);
}
}
@Override
public void performBootDexOpt() {
enforceSystemOrRoot("Only the system can request dexopt be performed");
// Before everything else, see whether we need to fstrim.
try {
IMountService ms = PackageHelper.getMountService();
if (ms != null) {
final boolean isUpgrade = isUpgrade();
boolean doTrim = isUpgrade;
if (doTrim) {
Slog.w(TAG, "Running disk maintenance immediately due to system update");
} else {
final long interval = android.provider.Settings.Global.getLong(
mContext.getContentResolver(),
android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL,
DEFAULT_MANDATORY_FSTRIM_INTERVAL);
if (interval > 0) {
final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance();
if (timeSinceLast > interval) {
doTrim = true;
Slog.w(TAG, "No disk maintenance in " + timeSinceLast
+ "; running immediately");
}
}
}
if (doTrim) {
if (!isFirstBoot()) {
try {
ActivityManagerNative.getDefault().showBootMessage(
mContext.getResources().getString(
R.string.android_upgrading_fstrim), true);
} catch (RemoteException e) {
}
}
ms.runMaintenance();
}
} else {
Slog.e(TAG, "Mount service unavailable!");
}
} catch (RemoteException e) {
// Can't happen; MountService is local
}
final ArraySet<PackageParser.Package> pkgs;
synchronized (mPackages) {
pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages();
}
if (pkgs != null) {
// Sort apps by importance for dexopt ordering. Important apps are given more priority
// in case the device runs out of space.
ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>();
// Give priority to core apps.
for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
PackageParser.Package pkg = it.next();
if (pkg.coreApp) {
if (DEBUG_DEXOPT) {
Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName);
}
sortedPkgs.add(pkg);
it.remove();
}
}
// Give priority to system apps that listen for pre boot complete.
Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED);
ArraySet<String> pkgNames = getPackageNamesForIntent(intent);
for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
PackageParser.Package pkg = it.next();
if (pkgNames.contains(pkg.packageName)) {
if (DEBUG_DEXOPT) {
Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName);
}
sortedPkgs.add(pkg);
it.remove();
}
}
// Filter out packages that aren't recently used.
filterRecentlyUsedApps(pkgs);
// Add all remaining apps.
for (PackageParser.Package pkg : pkgs) {
if (DEBUG_DEXOPT) {
Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName);
}
sortedPkgs.add(pkg);
}
// If we want to be lazy, filter everything that wasn't recently used.
if (mLazyDexOpt) {
filterRecentlyUsedApps(sortedPkgs);
}
int i = 0;
int total = sortedPkgs.size();
File dataDir = Environment.getDataDirectory();
long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir);
if (lowThreshold == 0) {
throw new IllegalStateException("Invalid low memory threshold");
}
for (PackageParser.Package pkg : sortedPkgs) {
long usableSpace = dataDir.getUsableSpace();
if (usableSpace < lowThreshold) {
Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace);
break;
}
performBootDexOpt(pkg, ++i, total);
}
}
}
private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) {
// Filter out packages that aren't recently used.
//
// The exception is first boot of a non-eng device (aka !mLazyDexOpt), which
// should do a full dexopt.
if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) {
int total = pkgs.size();
int skipped = 0;
long now = System.currentTimeMillis();
for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) {
PackageParser.Package pkg = i.next();
long then = pkg.mLastPackageUsageTimeInMills;
if (then + mDexOptLRUThresholdInMills < now) {
if (DEBUG_DEXOPT) {
Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " +
((then == 0) ? "never" : new Date(then)));
}
i.remove();
skipped++;
}
}
if (DEBUG_DEXOPT) {
Log.i(TAG, "Skipped optimizing " + skipped + " of " + total);
}
}
}
private ArraySet<String> getPackageNamesForIntent(Intent intent) {
List<ResolveInfo> ris = null;
try {
ris = AppGlobals.getPackageManager().queryIntentReceivers(
intent, null, 0, UserHandle.USER_OWNER);
} catch (RemoteException e) {
}
ArraySet<String> pkgNames = new ArraySet<String>();
if (ris != null) {
for (ResolveInfo ri : ris) {
pkgNames.add(ri.activityInfo.packageName);
}
}
return pkgNames;
}
private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) {
if (DEBUG_DEXOPT) {
Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName);
}
if (!isFirstBoot()) {
try {
ActivityManagerNative.getDefault().showBootMessage(
mContext.getResources().getString(R.string.android_upgrading_apk,
curr, total), true);
} catch (RemoteException e) {
}
}
PackageParser.Package p = pkg;
synchronized (mInstallLock) {
mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */,
false /* force dex */, false /* defer */, true /* include dependencies */,
false /* boot complete */);
}
}
@Override
public boolean performDexOptIfNeeded(String packageName, String instructionSet) {
return performDexOpt(packageName, instructionSet, false);
}
public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) {
boolean dexopt = mLazyDexOpt || backgroundDexopt;
boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt
if (!dexopt && !updateUsage) {
// We aren't going to dexopt or update usage, so bail early.
return false;
}
PackageParser.Package p;
final String targetInstructionSet;
synchronized (mPackages) {
p = mPackages.get(packageName);
if (p == null) {
return false;
}
if (updateUsage) {
p.mLastPackageUsageTimeInMills = System.currentTimeMillis();
}
mPackageUsage.write(false);
if (!dexopt) {
// We aren't going to dexopt, so bail early.
return false;
}
targetInstructionSet = instructionSet != null ? instructionSet :
getPrimaryInstructionSet(p.applicationInfo);
if (p.mDexOptPerformed.contains(targetInstructionSet)) {
return false;
}
}
long callingId = Binder.clearCallingIdentity();
try {
synchronized (mInstallLock) {
final String[] instructionSets = new String[] { targetInstructionSet };
int result = mPackageDexOptimizer.performDexOpt(p, instructionSets,
false /* forceDex */, false /* defer */, true /* inclDependencies */,
true /* boot complete */);
return result == PackageDexOptimizer.DEX_OPT_PERFORMED;
}
} finally {
Binder.restoreCallingIdentity(callingId);
}
}
public ArraySet<String> getPackagesThatNeedDexOpt() {
ArraySet<String> pkgs = null;
synchronized (mPackages) {
for (PackageParser.Package p : mPackages.values()) {
if (DEBUG_DEXOPT) {
Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray());
}
if (!p.mDexOptPerformed.isEmpty()) {
continue;
}
if (pkgs == null) {
pkgs = new ArraySet<String>();
}
pkgs.add(p.packageName);
}
}
return pkgs;
}
public void shutdown() {
mPackageUsage.write(true);
}
@Override
public void forceDexOpt(String packageName) {
enforceSystemOrRoot("forceDexOpt");
PackageParser.Package pkg;
synchronized (mPackages) {
pkg = mPackages.get(packageName);
if (pkg == null) {
throw new IllegalArgumentException("Missing package: " + packageName);
}
}
synchronized (mInstallLock) {
final String[] instructionSets = new String[] {
getPrimaryInstructionSet(pkg.applicationInfo) };
final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets,
true /*forceDex*/, false /* defer */, true /* inclDependencies */,
true /* boot complete */);
if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) {
throw new IllegalStateException("Failed to dexopt: " + res);
}
}
}
private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) {
if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
Slog.w(TAG, "Unable to update from " + oldPkg.name
+ " to " + newPkg.packageName
+ ": old package not in system partition");
return false;
} else if (mPackages.get(oldPkg.name) != null) {
Slog.w(TAG, "Unable to update from " + oldPkg.name
+ " to " + newPkg.packageName
+ ": old package still exists");
return false;
}
return true;
}
private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) {
int[] users = sUserManager.getUserIds();
int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo);
if (res < 0) {
return res;
}
for (int user : users) {
if (user != 0) {
res = mInstaller.createUserData(volumeUuid, packageName,
UserHandle.getUid(user, uid), user, seinfo);
if (res < 0) {
return res;
}
}
}
return res;
}
private int removeDataDirsLI(String volumeUuid, String packageName) {
int[] users = sUserManager.getUserIds();
int res = 0;
for (int user : users) {
int resInner = mInstaller.remove(volumeUuid, packageName, user);
if (resInner < 0) {
res = resInner;
}
}
return res;
}
private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) {
int[] users = sUserManager.getUserIds();
int res = 0;
for (int user : users) {
int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user);
if (resInner < 0) {
res = resInner;
}
}
return res;
}
private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file,
PackageParser.Package changingLib) {
if (file.path != null) {
usesLibraryFiles.add(file.path);
return;
}
PackageParser.Package p = mPackages.get(file.apk);
if (changingLib != null && changingLib.packageName.equals(file.apk)) {
// If we are doing this while in the middle of updating a library apk,
// then we need to make sure to use that new apk for determining the
// dependencies here. (We haven't yet finished committing the new apk
// to the package manager state.)
if (p == null || p.packageName.equals(changingLib.packageName)) {
p = changingLib;
}
}
if (p != null) {
usesLibraryFiles.addAll(p.getAllCodePaths());
}
}
private void updateSharedLibrariesLPw(PackageParser.Package pkg,
PackageParser.Package changingLib) throws PackageManagerException {
if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) {
final ArraySet<String> usesLibraryFiles = new ArraySet<>();
int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0;
for (int i=0; i<N; i++) {
final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i));
if (file == null) {
throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY,
"Package " + pkg.packageName + " requires unavailable shared library "
+ pkg.usesLibraries.get(i) + "; failing!");
}
addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
}
N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0;
for (int i=0; i<N; i++) {
final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i));
if (file == null) {
Slog.w(TAG, "Package " + pkg.packageName
+ " desires unavailable shared library "
+ pkg.usesOptionalLibraries.get(i) + "; ignoring!");
} else {
addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
}
}
N = usesLibraryFiles.size();
if (N > 0) {
pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]);
} else {
pkg.usesLibraryFiles = null;
}
}
}
private static boolean hasString(List<String> list, List<String> which) {
if (list == null) {
return false;
}
for (int i=list.size()-1; i>=0; i--) {
for (int j=which.size()-1; j>=0; j--) {
if (which.get(j).equals(list.get(i))) {
return true;
}
}
}
return false;
}
private void updateAllSharedLibrariesLPw() {
for (PackageParser.Package pkg : mPackages.values()) {
try {
updateSharedLibrariesLPw(pkg, null);
} catch (PackageManagerException e) {
Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
}
}
}
private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw(
PackageParser.Package changingPkg) {
ArrayList<PackageParser.Package> res = null;
for (PackageParser.Package pkg : mPackages.values()) {
if (hasString(pkg.usesLibraries, changingPkg.libraryNames)
|| hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) {
if (res == null) {
res = new ArrayList<PackageParser.Package>();
}
res.add(pkg);
try {
updateSharedLibrariesLPw(pkg, changingPkg);
} catch (PackageManagerException e) {
Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
}
}
}
return res;
}
/**
* Derive the value of the {@code cpuAbiOverride} based on the provided
* value and an optional stored value from the package settings.
*/
private static String deriveAbiOverride(String abiOverride, PackageSetting settings) {
String cpuAbiOverride = null;
if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) {
cpuAbiOverride = null;
} else if (abiOverride != null) {
cpuAbiOverride = abiOverride;
} else if (settings != null) {
cpuAbiOverride = settings.cpuAbiOverrideString;
}
return cpuAbiOverride;
}
private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags,
int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
boolean success = false;
try {
final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags,
currentTime, user);
success = true;
return res;
} finally {
if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) {
removeDataDirsLI(pkg.volumeUuid, pkg.packageName);
}
}
}
private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags,
int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
final File scanFile = new File(pkg.codePath);
if (pkg.applicationInfo.getCodePath() == null ||
pkg.applicationInfo.getResourcePath() == null) {
// Bail out. The resource and code paths haven't been set.
throw new PackageManagerException(INSTALL_FAILED_INVALID_APK,
"Code and resource paths haven't been set correctly");
}
if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM;
} else {
// Only allow system apps to be flagged as core apps.
pkg.coreApp = false;
}
if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) {
pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
}
if (mCustomResolverComponentName != null &&
mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) {
setUpCustomResolverActivity(pkg);
}
if (pkg.packageName.equals("android")) {
synchronized (mPackages) {
if (mAndroidApplication != null) {
Slog.w(TAG, "*************************************************");
Slog.w(TAG, "Core android package being redefined. Skipping.");
Slog.w(TAG, " file=" + scanFile);
Slog.w(TAG, "*************************************************");
throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
"Core android package being redefined. Skipping.");
}
// Set up information for our fall-back user intent resolution activity.
mPlatformPackage = pkg;
pkg.mVersionCode = mSdkVersion;
mAndroidApplication = pkg.applicationInfo;
if (!mResolverReplaced) {
mResolveActivity.applicationInfo = mAndroidApplication;
mResolveActivity.name = ResolverActivity.class.getName();
mResolveActivity.packageName = mAndroidApplication.packageName;
mResolveActivity.processName = "system:ui";
mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER;
mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS;
mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert;
mResolveActivity.exported = true;
mResolveActivity.enabled = true;
mResolveInfo.activityInfo = mResolveActivity;
mResolveInfo.priority = 0;
mResolveInfo.preferredOrder = 0;
mResolveInfo.match = 0;
mResolveComponentName = new ComponentName(
mAndroidApplication.packageName, mResolveActivity.name);
}
}
}
if (DEBUG_PACKAGE_SCANNING) {
if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
Log.d(TAG, "Scanning package " + pkg.packageName);
}
if (mPackages.containsKey(pkg.packageName)
|| mSharedLibraries.containsKey(pkg.packageName)) {
throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
"Application package " + pkg.packageName
+ " already installed. Skipping duplicate.");
}
// If we're only installing presumed-existing packages, require that the
// scanned APK is both already known and at the path previously established
// for it. Previously unknown packages we pick up normally, but if we have an
// a priori expectation about this package's install presence, enforce it.
// With a singular exception for new system packages. When an OTA contains
// a new system package, we allow the codepath to change from a system location
// to the user-installed location. If we don't allow this change, any newer,
// user-installed version of the application will be ignored.
if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) {
if (mExpectingBetter.containsKey(pkg.packageName)) {
logCriticalInfo(Log.WARN,
"Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName);
} else {
PackageSetting known = mSettings.peekPackageLPr(pkg.packageName);
if (known != null) {
if (DEBUG_PACKAGE_SCANNING) {
Log.d(TAG, "Examining " + pkg.codePath
+ " and requiring known paths " + known.codePathString
+ " & " + known.resourcePathString);
}
if (!pkg.applicationInfo.getCodePath().equals(known.codePathString)
|| !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) {
throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED,
"Application package " + pkg.packageName
+ " found at " + pkg.applicationInfo.getCodePath()
+ " but expected at " + known.codePathString + "; ignoring.");
}
}
}
}
// Initialize package source and resource directories
File destCodeFile = new File(pkg.applicationInfo.getCodePath());
File destResourceFile = new File(pkg.applicationInfo.getResourcePath());
SharedUserSetting suid = null;
PackageSetting pkgSetting = null;
if (!isSystemApp(pkg)) {
// Only system apps can use these features.
pkg.mOriginalPackages = null;
pkg.mRealPackage = null;
pkg.mAdoptPermissions = null;
}
// writer
synchronized (mPackages) {
if (pkg.mSharedUserId != null) {
suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true);
if (suid == null) {
throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
"Creating application package " + pkg.packageName
+ " for shared user failed");
}
if (DEBUG_PACKAGE_SCANNING) {
if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId
+ "): packages=" + suid.packages);
}
}
// Check if we are renaming from an original package name.
PackageSetting origPackage = null;
String realName = null;
if (pkg.mOriginalPackages != null) {
// This package may need to be renamed to a previously
// installed name. Let's check on that...
final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage);
if (pkg.mOriginalPackages.contains(renamed)) {
// This package had originally been installed as the
// original name, and we have already taken care of
// transitioning to the new one. Just update the new
// one to continue using the old name.
realName = pkg.mRealPackage;
if (!pkg.packageName.equals(renamed)) {
// Callers into this function may have already taken
// care of renaming the package; only do it here if
// it is not already done.
pkg.setPackageName(renamed);
}
} else {
for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) {
if ((origPackage = mSettings.peekPackageLPr(
pkg.mOriginalPackages.get(i))) != null) {
// We do have the package already installed under its
// original name... should we use it?
if (!verifyPackageUpdateLPr(origPackage, pkg)) {
// New package is not compatible with original.
origPackage = null;
continue;
} else if (origPackage.sharedUser != null) {
// Make sure uid is compatible between packages.
if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) {
Slog.w(TAG, "Unable to migrate data from " + origPackage.name
+ " to " + pkg.packageName + ": old uid "
+ origPackage.sharedUser.name
+ " differs from " + pkg.mSharedUserId);
origPackage = null;
continue;
}
} else {
if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package "
+ pkg.packageName + " to old name " + origPackage.name);
}
break;
}
}
}
}
if (mTransferedPackages.contains(pkg.packageName)) {
Slog.w(TAG, "Package " + pkg.packageName
+ " was transferred to another, but its .apk remains");
}
// Just create the setting, don't add it yet. For already existing packages
// the PkgSetting exists already and doesn't have to be created.
pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile,
destResourceFile, pkg.applicationInfo.nativeLibraryRootDir,
pkg.applicationInfo.primaryCpuAbi,
pkg.applicationInfo.secondaryCpuAbi,
pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags,
user, false);
if (pkgSetting == null) {
throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
"Creating application package " + pkg.packageName + " failed");
}
if (pkgSetting.origPackage != null) {
// If we are first transitioning from an original package,
// fix up the new package's name now. We need to do this after
// looking up the package under its new name, so getPackageLP
// can take care of fiddling things correctly.
pkg.setPackageName(origPackage.name);
// File a report about this.
String msg = "New package " + pkgSetting.realName
+ " renamed to replace old package " + pkgSetting.name;
reportSettingsProblem(Log.WARN, msg);
// Make a note of it.
mTransferedPackages.add(origPackage.name);
// No longer need to retain this.
pkgSetting.origPackage = null;
}
if (realName != null) {
// Make a note of it.
mTransferedPackages.add(pkg.packageName);
}
if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) {
pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
}
if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
// Check all shared libraries and map to their actual file path.
// We only do this here for apps not on a system dir, because those
// are the only ones that can fail an install due to this. We
// will take care of the system apps by updating all of their
// library paths after the scan is done.
updateSharedLibrariesLPw(pkg, null);
}
if (mFoundPolicyFile) {
SELinuxMMAC.assignSeinfoValue(pkg);
}
pkg.applicationInfo.uid = pkgSetting.appId;
pkg.mExtras = pkgSetting;
if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) {
if (checkUpgradeKeySetLP(pkgSetting, pkg)) {
// We just determined the app is signed correctly, so bring
// over the latest parsed certs.
pkgSetting.signatures.mSignatures = pkg.mSignatures;
} else {
if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
"Package " + pkg.packageName + " upgrade keys do not match the "
+ "previously installed version");
} else {
pkgSetting.signatures.mSignatures = pkg.mSignatures;
String msg = "System package " + pkg.packageName
+ " signature changed; retaining data.";
reportSettingsProblem(Log.WARN, msg);
}
}
} else {
try {
verifySignaturesLP(pkgSetting, pkg);
// We just determined the app is signed correctly, so bring
// over the latest parsed certs.
pkgSetting.signatures.mSignatures = pkg.mSignatures;
} catch (PackageManagerException e) {
if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
throw e;
}
// The signature has changed, but this package is in the system
// image... let's recover!
pkgSetting.signatures.mSignatures = pkg.mSignatures;
// However... if this package is part of a shared user, but it
// doesn't match the signature of the shared user, let's fail.
// What this means is that you can't change the signatures
// associated with an overall shared user, which doesn't seem all
// that unreasonable.
if (pkgSetting.sharedUser != null) {
if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
throw new PackageManagerException(
INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES,
"Signature mismatch for shared user : "
+ pkgSetting.sharedUser);
}
}
// File a report about this.
String msg = "System package " + pkg.packageName
+ " signature changed; retaining data.";
reportSettingsProblem(Log.WARN, msg);
}
}
// Verify that this new package doesn't have any content providers
// that conflict with existing packages. Only do this if the
// package isn't already installed, since we don't want to break
// things that are installed.
if ((scanFlags & SCAN_NEW_INSTALL) != 0) {
final int N = pkg.providers.size();
int i;
for (i=0; i<N; i++) {
PackageParser.Provider p = pkg.providers.get(i);
if (p.info.authority != null) {
String names[] = p.info.authority.split(";");
for (int j = 0; j < names.length; j++) {
if (mProvidersByAuthority.containsKey(names[j])) {
PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
final String otherPackageName =
((other != null && other.getComponentName() != null) ?
other.getComponentName().getPackageName() : "?");
throw new PackageManagerException(
INSTALL_FAILED_CONFLICTING_PROVIDER,
"Can't install because provider name " + names[j]
+ " (in package " + pkg.applicationInfo.packageName
+ ") is already used by " + otherPackageName);
}
}
}
}
}
if (pkg.mAdoptPermissions != null) {
// This package wants to adopt ownership of permissions from
// another package.
for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) {
final String origName = pkg.mAdoptPermissions.get(i);
final PackageSetting orig = mSettings.peekPackageLPr(origName);
if (orig != null) {
if (verifyPackageUpdateLPr(orig, pkg)) {
Slog.i(TAG, "Adopting permissions from " + origName + " to "
+ pkg.packageName);
mSettings.transferPermissionsLPw(origName, pkg.packageName);
}
}
}
}
}
final String pkgName = pkg.packageName;
final long scanFileTime = scanFile.lastModified();
final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0;
pkg.applicationInfo.processName = fixProcessName(
pkg.applicationInfo.packageName,
pkg.applicationInfo.processName,
pkg.applicationInfo.uid);
File dataPath;
if (mPlatformPackage == pkg) {
// The system package is special.
dataPath = new File(Environment.getDataDirectory(), "system");
pkg.applicationInfo.dataDir = dataPath.getPath();
} else {
// This is a normal package, need to make its data directory.
dataPath = Environment.getDataUserPackageDirectory(pkg.volumeUuid,
UserHandle.USER_OWNER, pkg.packageName);
boolean uidError = false;
if (dataPath.exists()) {
int currentUid = 0;
try {
StructStat stat = Os.stat(dataPath.getPath());
currentUid = stat.st_uid;
} catch (ErrnoException e) {
Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e);
}
// If we have mismatched owners for the data path, we have a problem.
if (currentUid != pkg.applicationInfo.uid) {
boolean recovered = false;
if (currentUid == 0) {
// The directory somehow became owned by root. Wow.
// This is probably because the system was stopped while
// installd was in the middle of messing with its libs
// directory. Ask installd to fix that.
int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName,
pkg.applicationInfo.uid, pkg.applicationInfo.uid);
if (ret >= 0) {
recovered = true;
String msg = "Package " + pkg.packageName
+ " unexpectedly changed to uid 0; recovered to " +
+ pkg.applicationInfo.uid;
reportSettingsProblem(Log.WARN, msg);
}
}
if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
|| (scanFlags&SCAN_BOOTING) != 0)) {
// If this is a system app, we can at least delete its
// current data so the application will still work.
int ret = removeDataDirsLI(pkg.volumeUuid, pkgName);
if (ret >= 0) {
// TODO: Kill the processes first
// Old data gone!
String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
? "System package " : "Third party package ";
String msg = prefix + pkg.packageName
+ " has changed from uid: "
+ currentUid + " to "
+ pkg.applicationInfo.uid + "; old data erased";
reportSettingsProblem(Log.WARN, msg);
recovered = true;
// And now re-install the app.
ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid,
pkg.applicationInfo.seinfo);
if (ret == -1) {
// Ack should not happen!
msg = prefix + pkg.packageName
+ " could not have data directory re-created after delete.";
reportSettingsProblem(Log.WARN, msg);
throw new PackageManagerException(
INSTALL_FAILED_INSUFFICIENT_STORAGE, msg);
}
}
if (!recovered) {
mHasSystemUidErrors = true;
}
} else if (!recovered) {
// If we allow this install to proceed, we will be broken.
// Abort, abort!
throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED,
"scanPackageLI");
}
if (!recovered) {
pkg.applicationInfo.dataDir = "/mismatched_uid/settings_"
+ pkg.applicationInfo.uid + "/fs_"
+ currentUid;
pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir;
pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir;
String msg = "Package " + pkg.packageName
+ " has mismatched uid: "
+ currentUid + " on disk, "
+ pkg.applicationInfo.uid + " in settings";
// writer
synchronized (mPackages) {
mSettings.mReadMessages.append(msg);
mSettings.mReadMessages.append('\n');
uidError = true;
if (!pkgSetting.uidError) {
reportSettingsProblem(Log.ERROR, msg);
}
}
}
}
pkg.applicationInfo.dataDir = dataPath.getPath();
if (mShouldRestoreconData) {
Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued.");
mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName,
pkg.applicationInfo.seinfo, pkg.applicationInfo.uid);
}
} else {
if (DEBUG_PACKAGE_SCANNING) {
if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
Log.v(TAG, "Want this data dir: " + dataPath);
}
//invoke installer to do the actual installation
int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid,
pkg.applicationInfo.seinfo);
if (ret < 0) {
// Error from installer
throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
"Unable to create data dirs [errorCode=" + ret + "]");
}
if (dataPath.exists()) {
pkg.applicationInfo.dataDir = dataPath.getPath();
} else {
Slog.w(TAG, "Unable to create data directory: " + dataPath);
pkg.applicationInfo.dataDir = null;
}
}
pkgSetting.uidError = uidError;
}
final String path = scanFile.getPath();
final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting);
if ((scanFlags & SCAN_NEW_INSTALL) == 0) {
derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */);
// Some system apps still use directory structure for native libraries
// in which case we might end up not detecting abi solely based on apk
// structure. Try to detect abi based on directory structure.
if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() &&
pkg.applicationInfo.primaryCpuAbi == null) {
setBundledAppAbisAndRoots(pkg, pkgSetting);
setNativeLibraryPaths(pkg);
}
} else {
if ((scanFlags & SCAN_MOVE) != 0) {
// We haven't run dex-opt for this move (since we've moved the compiled output too)
// but we already have this packages package info in the PackageSetting. We just
// use that and derive the native library path based on the new codepath.
pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString;
pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString;
}
// Set native library paths again. For moves, the path will be updated based on the
// ABIs we've determined above. For non-moves, the path will be updated based on the
// ABIs we determined during compilation, but the path will depend on the final
// package path (after the rename away from the stage path).
setNativeLibraryPaths(pkg);
}
if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path);
final int[] userIds = sUserManager.getUserIds();
synchronized (mInstallLock) {
// Make sure all user data directories are ready to roll; we're okay
// if they already exist
if (!TextUtils.isEmpty(pkg.volumeUuid)) {
for (int userId : userIds) {
if (userId != 0) {
mInstaller.createUserData(pkg.volumeUuid, pkg.packageName,
UserHandle.getUid(userId, pkg.applicationInfo.uid), userId,
pkg.applicationInfo.seinfo);
}
}
}
// Create a native library symlink only if we have native libraries
// and if the native libraries are 32 bit libraries. We do not provide
// this symlink for 64 bit libraries.
if (pkg.applicationInfo.primaryCpuAbi != null &&
!VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
for (int userId : userIds) {
if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName,
nativeLibPath, userId) < 0) {
throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
"Failed linking native library dir (user=" + userId + ")");
}
}
}
}
// This is a special case for the "system" package, where the ABI is
// dictated by the zygote configuration (and init.rc). We should keep track
// of this ABI so that we can deal with "normal" applications that run under
// the same UID correctly.
if (mPlatformPackage == pkg) {
pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ?
Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0];
}
// If there's a mismatch between the abi-override in the package setting
// and the abiOverride specified for the install. Warn about this because we
// would've already compiled the app without taking the package setting into
// account.
if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) {
if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) {
Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride +
" for package: " + pkg.packageName);
}
}
pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
pkgSetting.cpuAbiOverrideString = cpuAbiOverride;
// Copy the derived override back to the parsed package, so that we can
// update the package settings accordingly.
pkg.cpuAbiOverride = cpuAbiOverride;
if (DEBUG_ABI_SELECTION) {
Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName
+ " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa="
+ pkg.applicationInfo.nativeLibraryRootRequiresIsa);
}
// Push the derived path down into PackageSettings so we know what to
// clean up at uninstall time.
pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir;
if (DEBUG_ABI_SELECTION) {
Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" +
" primary=" + pkg.applicationInfo.primaryCpuAbi +
" secondary=" + pkg.applicationInfo.secondaryCpuAbi);
}
if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) {
// We don't do this here during boot because we can do it all
// at once after scanning all existing packages.
//
// We also do this *before* we perform dexopt on this package, so that
// we can avoid redundant dexopts, and also to make sure we've got the
// code and package path correct.
adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages,
pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, true /* boot complete */);
}
if ((scanFlags & SCAN_NO_DEX) == 0) {
int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */,
forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */,
(scanFlags & SCAN_BOOTING) == 0);
if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI");
}
}
if (mFactoryTest && pkg.requestedPermissions.contains(
android.Manifest.permission.FACTORY_TEST)) {
pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST;
}
ArrayList<PackageParser.Package> clientLibPkgs = null;
// writer
synchronized (mPackages) {
if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
// Only system apps can add new shared libraries.
if (pkg.libraryNames != null) {
for (int i=0; i<pkg.libraryNames.size(); i++) {
String name = pkg.libraryNames.get(i);
boolean allowed = false;
if (pkg.isUpdatedSystemApp()) {
// New library entries can only be added through the
// system image. This is important to get rid of a lot
// of nasty edge cases: for example if we allowed a non-
// system update of the app to add a library, then uninstalling
// the update would make the library go away, and assumptions
// we made such as through app install filtering would now
// have allowed apps on the device which aren't compatible
// with it. Better to just have the restriction here, be
// conservative, and create many fewer cases that can negatively
// impact the user experience.
final PackageSetting sysPs = mSettings
.getDisabledSystemPkgLPr(pkg.packageName);
if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) {
for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) {
if (name.equals(sysPs.pkg.libraryNames.get(j))) {
allowed = true;
allowed = true;
break;
}
}
}
} else {
allowed = true;
}
if (allowed) {
if (!mSharedLibraries.containsKey(name)) {
mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName));
} else if (!name.equals(pkg.packageName)) {
Slog.w(TAG, "Package " + pkg.packageName + " library "
+ name + " already exists; skipping");
}
} else {
Slog.w(TAG, "Package " + pkg.packageName + " declares lib "
+ name + " that is not declared on system image; skipping");
}
}
if ((scanFlags&SCAN_BOOTING) == 0) {
// If we are not booting, we need to update any applications
// that are clients of our shared library. If we are booting,
// this will all be done once the scan is complete.
clientLibPkgs = updateAllSharedLibrariesLPw(pkg);
}
}
}
}
// We also need to dexopt any apps that are dependent on this library. Note that
// if these fail, we should abort the install since installing the library will
// result in some apps being broken.
if (clientLibPkgs != null) {
if ((scanFlags & SCAN_NO_DEX) == 0) {
for (int i = 0; i < clientLibPkgs.size(); i++) {
PackageParser.Package clientPkg = clientLibPkgs.get(i);
int result = mPackageDexOptimizer.performDexOpt(clientPkg,
null /* instruction sets */, forceDex,
(scanFlags & SCAN_DEFER_DEX) != 0, false,
(scanFlags & SCAN_BOOTING) == 0);
if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
throw new PackageManagerException(INSTALL_FAILED_DEXOPT,
"scanPackageLI failed to dexopt clientLibPkgs");
}
}
}
}
// Request the ActivityManager to kill the process(only for existing packages)
// so that we do not end up in a confused state while the user is still using the older
// version of the application while the new one gets installed.
if ((scanFlags & SCAN_REPLACING) != 0) {
killApplication(pkg.applicationInfo.packageName,
pkg.applicationInfo.uid, "replace pkg");
}
// Also need to kill any apps that are dependent on the library.
if (clientLibPkgs != null) {
for (int i=0; i<clientLibPkgs.size(); i++) {
PackageParser.Package clientPkg = clientLibPkgs.get(i);
killApplication(clientPkg.applicationInfo.packageName,
clientPkg.applicationInfo.uid, "update lib");
}
}
// Make sure we're not adding any bogus keyset info
KeySetManagerService ksms = mSettings.mKeySetManagerService;
ksms.assertScannedPackageValid(pkg);
// writer
synchronized (mPackages) {
// We don't expect installation to fail beyond this point
// Add the new setting to mSettings
mSettings.insertPackageSettingLPw(pkgSetting, pkg);
// Add the new setting to mPackages
mPackages.put(pkg.applicationInfo.packageName, pkg);
// Make sure we don't accidentally delete its data.
final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator();
while (iter.hasNext()) {
PackageCleanItem item = iter.next();
if (pkgName.equals(item.packageName)) {
iter.remove();
}
}
// Take care of first install / last update times.
if (currentTime != 0) {
if (pkgSetting.firstInstallTime == 0) {
pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime;
} else if ((scanFlags&SCAN_UPDATE_TIME) != 0) {
pkgSetting.lastUpdateTime = currentTime;
}
} else if (pkgSetting.firstInstallTime == 0) {
// We need *something*. Take time time stamp of the file.
pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime;
} else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) {
if (scanFileTime != pkgSetting.timeStamp) {
// A package on the system image has changed; consider this
// to be an update.
pkgSetting.lastUpdateTime = scanFileTime;
}
}
// Add the package's KeySets to the global KeySetManagerService
ksms.addScannedPackageLPw(pkg);
int N = pkg.providers.size();
StringBuilder r = null;
int i;
for (i=0; i<N; i++) {
PackageParser.Provider p = pkg.providers.get(i);
p.info.processName = fixProcessName(pkg.applicationInfo.processName,
p.info.processName, pkg.applicationInfo.uid);
mProviders.addProvider(p);
p.syncable = p.info.isSyncable;
if (p.info.authority != null) {
String names[] = p.info.authority.split(";");
p.info.authority = null;
for (int j = 0; j < names.length; j++) {
if (j == 1 && p.syncable) {
// We only want the first authority for a provider to possibly be
// syncable, so if we already added this provider using a different
// authority clear the syncable flag. We copy the provider before
// changing it because the mProviders object contains a reference
// to a provider that we don't want to change.
// Only do this for the second authority since the resulting provider
// object can be the same for all future authorities for this provider.
p = new PackageParser.Provider(p);
p.syncable = false;
}
if (!mProvidersByAuthority.containsKey(names[j])) {
mProvidersByAuthority.put(names[j], p);
if (p.info.authority == null) {
p.info.authority = names[j];
} else {
p.info.authority = p.info.authority + ";" + names[j];
}
if (DEBUG_PACKAGE_SCANNING) {
if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
Log.d(TAG, "Registered content provider: " + names[j]
+ ", className = " + p.info.name + ", isSyncable = "
+ p.info.isSyncable);
}
} else {
PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
Slog.w(TAG, "Skipping provider name " + names[j] +
" (in package " + pkg.applicationInfo.packageName +
"): name already used by "
+ ((other != null && other.getComponentName() != null)
? other.getComponentName().getPackageName() : "?"));
}
}
}
if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append(p.info.name);
}
}
if (r != null) {
if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r);
}
N = pkg.services.size();
r = null;
for (i=0; i<N; i++) {
PackageParser.Service s = pkg.services.get(i);
s.info.processName = fixProcessName(pkg.applicationInfo.processName,
s.info.processName, pkg.applicationInfo.uid);
mServices.addService(s);
if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append(s.info.name);
}
}
if (r != null) {
if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r);
}
N = pkg.receivers.size();
r = null;
for (i=0; i<N; i++) {
PackageParser.Activity a = pkg.receivers.get(i);
a.info.processName = fixProcessName(pkg.applicationInfo.processName,
a.info.processName, pkg.applicationInfo.uid);
mReceivers.addActivity(a, "receiver");
if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append(a.info.name);
}
}
if (r != null) {
if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r);
}
N = pkg.activities.size();
r = null;
for (i=0; i<N; i++) {
PackageParser.Activity a = pkg.activities.get(i);
a.info.processName = fixProcessName(pkg.applicationInfo.processName,
a.info.processName, pkg.applicationInfo.uid);
mActivities.addActivity(a, "activity");
if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append(a.info.name);
}
}
if (r != null) {
if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r);
}
N = pkg.permissionGroups.size();
r = null;
for (i=0; i<N; i++) {
PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i);
PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name);
if (cur == null) {
mPermissionGroups.put(pg.info.name, pg);
if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append(pg.info.name);
}
} else {
Slog.w(TAG, "Permission group " + pg.info.name + " from package "
+ pg.info.packageName + " ignored: original from "
+ cur.info.packageName);
if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append("DUP:");
r.append(pg.info.name);
}
}
}
if (r != null) {
if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r);
}
N = pkg.permissions.size();
r = null;
for (i=0; i<N; i++) {
PackageParser.Permission p = pkg.permissions.get(i);
// Assume by default that we did not install this permission into the system.
p.info.flags &= ~PermissionInfo.FLAG_INSTALLED;
// Now that permission groups have a special meaning, we ignore permission
// groups for legacy apps to prevent unexpected behavior. In particular,
// permissions for one app being granted to someone just becuase they happen
// to be in a group defined by another app (before this had no implications).
if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) {
p.group = mPermissionGroups.get(p.info.group);
// Warn for a permission in an unknown group.
if (p.info.group != null && p.group == null) {
Slog.w(TAG, "Permission " + p.info.name + " from package "
+ p.info.packageName + " in an unknown group " + p.info.group);
}
}
ArrayMap<String, BasePermission> permissionMap =
p.tree ? mSettings.mPermissionTrees
: mSettings.mPermissions;
BasePermission bp = permissionMap.get(p.info.name);
// Allow system apps to redefine non-system permissions
if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) {
final boolean currentOwnerIsSystem = (bp.perm != null
&& isSystemApp(bp.perm.owner));
if (isSystemApp(p.owner)) {
if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) {
// It's a built-in permission and no owner, take ownership now
bp.packageSetting = pkgSetting;
bp.perm = p;
bp.uid = pkg.applicationInfo.uid;
bp.sourcePackage = p.info.packageName;
p.info.flags |= PermissionInfo.FLAG_INSTALLED;
} else if (!currentOwnerIsSystem) {
String msg = "New decl " + p.owner + " of permission "
+ p.info.name + " is system; overriding " + bp.sourcePackage;
reportSettingsProblem(Log.WARN, msg);
bp = null;
}
}
}
if (bp == null) {
bp = new BasePermission(p.info.name, p.info.packageName,
BasePermission.TYPE_NORMAL);
permissionMap.put(p.info.name, bp);
}
if (bp.perm == null) {
if (bp.sourcePackage == null
|| bp.sourcePackage.equals(p.info.packageName)) {
BasePermission tree = findPermissionTreeLP(p.info.name);
if (tree == null
|| tree.sourcePackage.equals(p.info.packageName)) {
bp.packageSetting = pkgSetting;
bp.perm = p;
bp.uid = pkg.applicationInfo.uid;
bp.sourcePackage = p.info.packageName;
p.info.flags |= PermissionInfo.FLAG_INSTALLED;
if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append(p.info.name);
}
} else {
Slog.w(TAG, "Permission " + p.info.name + " from package "
+ p.info.packageName + " ignored: base tree "
+ tree.name + " is from package "
+ tree.sourcePackage);
}
} else {
Slog.w(TAG, "Permission " + p.info.name + " from package "
+ p.info.packageName + " ignored: original from "
+ bp.sourcePackage);
}
} else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append("DUP:");
r.append(p.info.name);
}
if (bp.perm == p) {
bp.protectionLevel = p.info.protectionLevel;
}
}
if (r != null) {
if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r);
}
N = pkg.instrumentation.size();
r = null;
for (i=0; i<N; i++) {
PackageParser.Instrumentation a = pkg.instrumentation.get(i);
a.info.packageName = pkg.applicationInfo.packageName;
a.info.sourceDir = pkg.applicationInfo.sourceDir;
a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir;
a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs;
a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs;
a.info.dataDir = pkg.applicationInfo.dataDir;
// TODO: Update instrumentation.nativeLibraryDir as well ? Does it
// need other information about the application, like the ABI and what not ?
a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir;
mInstrumentation.put(a.getComponentName(), a);
if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append(a.info.name);
}
}
if (r != null) {
if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r);
}
if (pkg.protectedBroadcasts != null) {
N = pkg.protectedBroadcasts.size();
for (i=0; i<N; i++) {
mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i));
}
}
pkgSetting.setTimeStamp(scanFileTime);
// Create idmap files for pairs of (packages, overlay packages).
// Note: "android", ie framework-res.apk, is handled by native layers.
if (pkg.mOverlayTarget != null) {
// This is an overlay package.
if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) {
if (!mOverlays.containsKey(pkg.mOverlayTarget)) {
mOverlays.put(pkg.mOverlayTarget,
new ArrayMap<String, PackageParser.Package>());
}
ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget);
map.put(pkg.packageName, pkg);
PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget);
if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) {
throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
"scanPackageLI failed to createIdmap");
}
}
} else if (mOverlays.containsKey(pkg.packageName) &&
!pkg.packageName.equals("android")) {
// This is a regular package, with one or more known overlay packages.
createIdmapsForPackageLI(pkg);
}
}
return pkg;
}
/**
* Derive the ABI of a non-system package located at {@code scanFile}. This information
* is derived purely on the basis of the contents of {@code scanFile} and
* {@code cpuAbiOverride}.
*
* If {@code extractLibs} is true, native libraries are extracted from the app if required.
*/
public void derivePackageAbi(PackageParser.Package pkg, File scanFile,
String cpuAbiOverride, boolean extractLibs)
throws PackageManagerException {
// TODO: We can probably be smarter about this stuff. For installed apps,
// we can calculate this information at install time once and for all. For
// system apps, we can probably assume that this information doesn't change
// after the first boot scan. As things stand, we do lots of unnecessary work.
// Give ourselves some initial paths; we'll come back for another
// pass once we've determined ABI below.
setNativeLibraryPaths(pkg);
// We would never need to extract libs for forward-locked and external packages,
// since the container service will do it for us. We shouldn't attempt to
// extract libs from system app when it was not updated.
if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() ||
(isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) {
extractLibs = false;
}
final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir;
final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa;
NativeLibraryHelper.Handle handle = null;
try {
handle = NativeLibraryHelper.Handle.create(scanFile);
// TODO(multiArch): This can be null for apps that didn't go through the
// usual installation process. We can calculate it again, like we
// do during install time.
//
// TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally
// unnecessary.
final File nativeLibraryRoot = new File(nativeLibraryRootStr);
// Null out the abis so that they can be recalculated.
pkg.applicationInfo.primaryCpuAbi = null;
pkg.applicationInfo.secondaryCpuAbi = null;
if (isMultiArch(pkg.applicationInfo)) {
// Warn if we've set an abiOverride for multi-lib packages..
// By definition, we need to copy both 32 and 64 bit libraries for
// such packages.
if (pkg.cpuAbiOverride != null
&& !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) {
Slog.w(TAG, "Ignoring abiOverride for multi arch application.");
}
int abi32 = PackageManager.NO_NATIVE_LIBRARIES;
int abi64 = PackageManager.NO_NATIVE_LIBRARIES;
if (Build.SUPPORTED_32_BIT_ABIS.length > 0) {
if (extractLibs) {
abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS,
useIsaSpecificSubdirs);
} else {
abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS);
}
}
maybeThrowExceptionForMultiArchCopy(
"Error unpackaging 32 bit native libs for multiarch app.", abi32);
if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {
if (extractLibs) {
abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS,
useIsaSpecificSubdirs);
} else {
abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS);
}
}
maybeThrowExceptionForMultiArchCopy(
"Error unpackaging 64 bit native libs for multiarch app.", abi64);
if (abi64 >= 0) {
pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64];
}
if (abi32 >= 0) {
final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32];
if (abi64 >= 0) {
pkg.applicationInfo.secondaryCpuAbi = abi;
} else {
pkg.applicationInfo.primaryCpuAbi = abi;
}
}
} else {
String[] abiList = (cpuAbiOverride != null) ?
new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS;
// Enable gross and lame hacks for apps that are built with old
// SDK tools. We must scan their APKs for renderscript bitcode and
// not launch them if it's present. Don't bother checking on devices
// that don't have 64 bit support.
boolean needsRenderScriptOverride = false;
if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null &&
NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
abiList = Build.SUPPORTED_32_BIT_ABIS;
needsRenderScriptOverride = true;
}
final int copyRet;
if (extractLibs) {
copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
nativeLibraryRoot, abiList, useIsaSpecificSubdirs);
} else {
copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList);
}
if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
"Error unpackaging native libs for app, errorCode=" + copyRet);
}
if (copyRet >= 0) {
pkg.applicationInfo.primaryCpuAbi = abiList[copyRet];
} else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) {
pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride;
} else if (needsRenderScriptOverride) {
pkg.applicationInfo.primaryCpuAbi = abiList[0];
}
}
} catch (IOException ioe) {
Slog.e(TAG, "Unable to get canonical file " + ioe.toString());
} finally {
IoUtils.closeQuietly(handle);
}
// Now that we've calculated the ABIs and determined if it's an internal app,
// we will go ahead and populate the nativeLibraryPath.
setNativeLibraryPaths(pkg);
}
/**
* Adjusts ABIs for a set of packages belonging to a shared user so that they all match.
* i.e, so that all packages can be run inside a single process if required.
*
* Optionally, callers can pass in a parsed package via {@code newPackage} in which case
* this function will either try and make the ABI for all packages in {@code packagesForUser}
* match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match
* the ABI selected for {@code packagesForUser}. This variant is used when installing or
* updating a package that belongs to a shared user.
*
* NOTE: We currently only match for the primary CPU abi string. Matching the secondary
* adds unnecessary complexity.
*/
private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser,
PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt,
boolean bootComplete) {
String requiredInstructionSet = null;
if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) {
requiredInstructionSet = VMRuntime.getInstructionSet(
scannedPackage.applicationInfo.primaryCpuAbi);
}
PackageSetting requirer = null;
for (PackageSetting ps : packagesForUser) {
// If packagesForUser contains scannedPackage, we skip it. This will happen
// when scannedPackage is an update of an existing package. Without this check,
// we will never be able to change the ABI of any package belonging to a shared
// user, even if it's compatible with other packages.
if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
if (ps.primaryCpuAbiString == null) {
continue;
}
final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString);
if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) {
// We have a mismatch between instruction sets (say arm vs arm64) warn about
// this but there's not much we can do.
String errorMessage = "Instruction set mismatch, "
+ ((requirer == null) ? "[caller]" : requirer)
+ " requires " + requiredInstructionSet + " whereas " + ps
+ " requires " + instructionSet;
Slog.w(TAG, errorMessage);
}
if (requiredInstructionSet == null) {
requiredInstructionSet = instructionSet;
requirer = ps;
}
}
}
if (requiredInstructionSet != null) {
String adjustedAbi;
if (requirer != null) {
// requirer != null implies that either scannedPackage was null or that scannedPackage
// did not require an ABI, in which case we have to adjust scannedPackage to match
// the ABI of the set (which is the same as requirer's ABI)
adjustedAbi = requirer.primaryCpuAbiString;
if (scannedPackage != null) {
scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi;
}
} else {
// requirer == null implies that we're updating all ABIs in the set to
// match scannedPackage.
adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi;
}
for (PackageSetting ps : packagesForUser) {
if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
if (ps.primaryCpuAbiString != null) {
continue;
}
ps.primaryCpuAbiString = adjustedAbi;
if (ps.pkg != null && ps.pkg.applicationInfo != null) {
ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi;
Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi);
int result = mPackageDexOptimizer.performDexOpt(ps.pkg,
null /* instruction sets */, forceDexOpt, deferDexOpt, true,
bootComplete);
if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
ps.primaryCpuAbiString = null;
ps.pkg.applicationInfo.primaryCpuAbi = null;
return;
} else {
mInstaller.rmdex(ps.codePathString,
getDexCodeInstructionSet(getPreferredInstructionSet()));
}
}
}
}
}
}
private void setUpCustomResolverActivity(PackageParser.Package pkg) {
synchronized (mPackages) {
mResolverReplaced = true;
// Set up information for custom user intent resolution activity.
mResolveActivity.applicationInfo = pkg.applicationInfo;
mResolveActivity.name = mCustomResolverComponentName.getClassName();
mResolveActivity.packageName = pkg.applicationInfo.packageName;
mResolveActivity.processName = pkg.applicationInfo.packageName;
mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS |
ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS;
mResolveActivity.theme = 0;
mResolveActivity.exported = true;
mResolveActivity.enabled = true;
mResolveInfo.activityInfo = mResolveActivity;
mResolveInfo.priority = 0;
mResolveInfo.preferredOrder = 0;
mResolveInfo.match = 0;
mResolveComponentName = mCustomResolverComponentName;
Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " +
mResolveComponentName);
}
}
private static String calculateBundledApkRoot(final String codePathString) {
final File codePath = new File(codePathString);
final File codeRoot;
if (FileUtils.contains(Environment.getRootDirectory(), codePath)) {
codeRoot = Environment.getRootDirectory();
} else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) {
codeRoot = Environment.getOemDirectory();
} else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) {
codeRoot = Environment.getVendorDirectory();
} else {
// Unrecognized code path; take its top real segment as the apk root:
// e.g. /something/app/blah.apk => /something
try {
File f = codePath.getCanonicalFile();
File parent = f.getParentFile(); // non-null because codePath is a file
File tmp;
while ((tmp = parent.getParentFile()) != null) {
f = parent;
parent = tmp;
}
codeRoot = f;
Slog.w(TAG, "Unrecognized code path "
+ codePath + " - using " + codeRoot);
} catch (IOException e) {
// Can't canonicalize the code path -- shenanigans?
Slog.w(TAG, "Can't canonicalize code path " + codePath);
return Environment.getRootDirectory().getPath();
}
}
return codeRoot.getPath();
}
/**
* Derive and set the location of native libraries for the given package,
* which varies depending on where and how the package was installed.
*/
private void setNativeLibraryPaths(PackageParser.Package pkg) {
final ApplicationInfo info = pkg.applicationInfo;
final String codePath = pkg.codePath;
final File codeFile = new File(codePath);
final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp();
final boolean asecApp = info.isForwardLocked() || info.isExternalAsec();
info.nativeLibraryRootDir = null;
info.nativeLibraryRootRequiresIsa = false;
info.nativeLibraryDir = null;
info.secondaryNativeLibraryDir = null;
if (isApkFile(codeFile)) {
// Monolithic install
if (bundledApp) {
// If "/system/lib64/apkname" exists, assume that is the per-package
// native library directory to use; otherwise use "/system/lib/apkname".
final String apkRoot = calculateBundledApkRoot(info.sourceDir);
final boolean is64Bit = VMRuntime.is64BitInstructionSet(
getPrimaryInstructionSet(info));
// This is a bundled system app so choose the path based on the ABI.
// if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this
// is just the default path.
final String apkName = deriveCodePathName(codePath);
final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME;
info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir,
apkName).getAbsolutePath();
if (info.secondaryCpuAbi != null) {
final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME;
info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot),
secondaryLibDir, apkName).getAbsolutePath();
}
} else if (asecApp) {
info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME)
.getAbsolutePath();
} else {
final String apkName = deriveCodePathName(codePath);
info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName)
.getAbsolutePath();
}
info.nativeLibraryRootRequiresIsa = false;
info.nativeLibraryDir = info.nativeLibraryRootDir;
} else {
// Cluster install
info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath();
info.nativeLibraryRootRequiresIsa = true;
info.nativeLibraryDir = new File(info.nativeLibraryRootDir,
getPrimaryInstructionSet(info)).getAbsolutePath();
if (info.secondaryCpuAbi != null) {
info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir,
VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath();
}
}
}
/**
* Calculate the abis and roots for a bundled app. These can uniquely
* be determined from the contents of the system partition, i.e whether
* it contains 64 or 32 bit shared libraries etc. We do not validate any
* of this information, and instead assume that the system was built
* sensibly.
*/
private void setBundledAppAbisAndRoots(PackageParser.Package pkg,
PackageSetting pkgSetting) {
final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath());
// If "/system/lib64/apkname" exists, assume that is the per-package
// native library directory to use; otherwise use "/system/lib/apkname".
final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir);
setBundledAppAbi(pkg, apkRoot, apkName);
// pkgSetting might be null during rescan following uninstall of updates
// to a bundled app, so accommodate that possibility. The settings in
// that case will be established later from the parsed package.
//
// If the settings aren't null, sync them up with what we've just derived.
// note that apkRoot isn't stored in the package settings.
if (pkgSetting != null) {
pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
}
}
/**
* Deduces the ABI of a bundled app and sets the relevant fields on the
* parsed pkg object.
*
* @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem}
* under which system libraries are installed.
* @param apkName the name of the installed package.
*/
private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) {
final File codeFile = new File(pkg.codePath);
final boolean has64BitLibs;
final boolean has32BitLibs;
if (isApkFile(codeFile)) {
// Monolithic install
has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists();
has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists();
} else {
// Cluster install
final File rootDir = new File(codeFile, LIB_DIR_NAME);
if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS)
&& !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) {
final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]);
has64BitLibs = (new File(rootDir, isa)).exists();
} else {
has64BitLibs = false;
}
if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS)
&& !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) {
final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]);
has32BitLibs = (new File(rootDir, isa)).exists();
} else {
has32BitLibs = false;
}
}
if (has64BitLibs && !has32BitLibs) {
// The package has 64 bit libs, but not 32 bit libs. Its primary
// ABI should be 64 bit. We can safely assume here that the bundled
// native libraries correspond to the most preferred ABI in the list.
pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
pkg.applicationInfo.secondaryCpuAbi = null;
} else if (has32BitLibs && !has64BitLibs) {
// The package has 32 bit libs but not 64 bit libs. Its primary
// ABI should be 32 bit.
pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
pkg.applicationInfo.secondaryCpuAbi = null;
} else if (has32BitLibs && has64BitLibs) {
// The application has both 64 and 32 bit bundled libraries. We check
// here that the app declares multiArch support, and warn if it doesn't.
//
// We will be lenient here and record both ABIs. The primary will be the
// ABI that's higher on the list, i.e, a device that's configured to prefer
// 64 bit apps will see a 64 bit primary ABI,
if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) {
Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch.");
}
if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) {
pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
} else {
pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
}
} else {
pkg.applicationInfo.primaryCpuAbi = null;
pkg.applicationInfo.secondaryCpuAbi = null;
}
}
private void killApplication(String pkgName, int appId, String reason) {
// Request the ActivityManager to kill the process(only for existing packages)
// so that we do not end up in a confused state while the user is still using the older
// version of the application while the new one gets installed.
IActivityManager am = ActivityManagerNative.getDefault();
if (am != null) {
try {
am.killApplicationWithAppId(pkgName, appId, reason);
} catch (RemoteException e) {
}
}
}
void removePackageLI(PackageSetting ps, boolean chatty) {
if (DEBUG_INSTALL) {
if (chatty)
Log.d(TAG, "Removing package " + ps.name);
}
// writer
synchronized (mPackages) {
mPackages.remove(ps.name);
final PackageParser.Package pkg = ps.pkg;
if (pkg != null) {
cleanPackageDataStructuresLILPw(pkg, chatty);
}
}
}
void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) {
if (DEBUG_INSTALL) {
if (chatty)
Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName);
}
// writer
synchronized (mPackages) {
mPackages.remove(pkg.applicationInfo.packageName);
cleanPackageDataStructuresLILPw(pkg, chatty);
}
}
void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) {
int N = pkg.providers.size();
StringBuilder r = null;
int i;
for (i=0; i<N; i++) {
PackageParser.Provider p = pkg.providers.get(i);
mProviders.removeProvider(p);
if (p.info.authority == null) {
/* There was another ContentProvider with this authority when
* this app was installed so this authority is null,
* Ignore it as we don't have to unregister the provider.
*/
continue;
}
String names[] = p.info.authority.split(";");
for (int j = 0; j < names.length; j++) {
if (mProvidersByAuthority.get(names[j]) == p) {
mProvidersByAuthority.remove(names[j]);
if (DEBUG_REMOVE) {
if (chatty)
Log.d(TAG, "Unregistered content provider: " + names[j]
+ ", className = " + p.info.name + ", isSyncable = "
+ p.info.isSyncable);
}
}
}
if (DEBUG_REMOVE && chatty) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append(p.info.name);
}
}
if (r != null) {
if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r);
}
N = pkg.services.size();
r = null;
for (i=0; i<N; i++) {
PackageParser.Service s = pkg.services.get(i);
mServices.removeService(s);
if (chatty) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append(s.info.name);
}
}
if (r != null) {
if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r);
}
N = pkg.receivers.size();
r = null;
for (i=0; i<N; i++) {
PackageParser.Activity a = pkg.receivers.get(i);
mReceivers.removeActivity(a, "receiver");
if (DEBUG_REMOVE && chatty) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append(a.info.name);
}
}
if (r != null) {
if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r);
}
N = pkg.activities.size();
r = null;
for (i=0; i<N; i++) {
PackageParser.Activity a = pkg.activities.get(i);
mActivities.removeActivity(a, "activity");
if (DEBUG_REMOVE && chatty) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append(a.info.name);
}
}
if (r != null) {
if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r);
}
N = pkg.permissions.size();
r = null;
for (i=0; i<N; i++) {
PackageParser.Permission p = pkg.permissions.get(i);
BasePermission bp = mSettings.mPermissions.get(p.info.name);
if (bp == null) {
bp = mSettings.mPermissionTrees.get(p.info.name);
}
if (bp != null && bp.perm == p) {
bp.perm = null;
if (DEBUG_REMOVE && chatty) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append(p.info.name);
}
}
if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name);
if (appOpPerms != null) {
appOpPerms.remove(pkg.packageName);
}
}
}
if (r != null) {
if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r);
}
N = pkg.requestedPermissions.size();
r = null;
for (i=0; i<N; i++) {
String perm = pkg.requestedPermissions.get(i);
BasePermission bp = mSettings.mPermissions.get(perm);
if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm);
if (appOpPerms != null) {
appOpPerms.remove(pkg.packageName);
if (appOpPerms.isEmpty()) {
mAppOpPermissionPackages.remove(perm);
}
}
}
}
if (r != null) {
if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r);
}
N = pkg.instrumentation.size();
r = null;
for (i=0; i<N; i++) {
PackageParser.Instrumentation a = pkg.instrumentation.get(i);
mInstrumentation.remove(a.getComponentName());
if (DEBUG_REMOVE && chatty) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append(a.info.name);
}
}
if (r != null) {
if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r);
}
r = null;
if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
// Only system apps can hold shared libraries.
if (pkg.libraryNames != null) {
for (i=0; i<pkg.libraryNames.size(); i++) {
String name = pkg.libraryNames.get(i);
SharedLibraryEntry cur = mSharedLibraries.get(name);
if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) {
mSharedLibraries.remove(name);
if (DEBUG_REMOVE && chatty) {
if (r == null) {
r = new StringBuilder(256);
} else {
r.append(' ');
}
r.append(name);
}
}
}
}
}
if (r != null) {
if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r);
}
}
private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) {
for (int i=pkgInfo.permissions.size()-1; i>=0; i--) {
if (pkgInfo.permissions.get(i).info.name.equals(perm)) {
return true;
}
}
return false;
}
static final int UPDATE_PERMISSIONS_ALL = 1<<0;
static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1;
static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2;
private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo,
int flags) {
final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null;
updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags);
}
private void updatePermissionsLPw(String changingPkg,
PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) {
// Make sure there are no dangling permission trees.
Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator();
while (it.hasNext()) {
final BasePermission bp = it.next();
if (bp.packageSetting == null) {
// We may not yet have parsed the package, so just see if
// we still know about its settings.
bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
}
if (bp.packageSetting == null) {
Slog.w(TAG, "Removing dangling permission tree: " + bp.name
+ " from package " + bp.sourcePackage);
it.remove();
} else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
Slog.i(TAG, "Removing old permission tree: " + bp.name
+ " from package " + bp.sourcePackage);
flags |= UPDATE_PERMISSIONS_ALL;
it.remove();
}
}
}
// Make sure all dynamic permissions have been assigned to a package,
// and make sure there are no dangling permissions.
it = mSettings.mPermissions.values().iterator();
while (it.hasNext()) {
final BasePermission bp = it.next();
if (bp.type == BasePermission.TYPE_DYNAMIC) {
if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name="
+ bp.name + " pkg=" + bp.sourcePackage
+ " info=" + bp.pendingInfo);
if (bp.packageSetting == null && bp.pendingInfo != null) {
final BasePermission tree = findPermissionTreeLP(bp.name);
if (tree != null && tree.perm != null) {
bp.packageSetting = tree.packageSetting;
bp.perm = new PackageParser.Permission(tree.perm.owner,
new PermissionInfo(bp.pendingInfo));
bp.perm.info.packageName = tree.perm.info.packageName;
bp.perm.info.name = bp.name;
bp.uid = tree.uid;
}
}
}
if (bp.packageSetting == null) {
// We may not yet have parsed the package, so just see if
// we still know about its settings.
bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
}
if (bp.packageSetting == null) {
Slog.w(TAG, "Removing dangling permission: " + bp.name
+ " from package " + bp.sourcePackage);
it.remove();
} else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
Slog.i(TAG, "Removing old permission: " + bp.name
+ " from package " + bp.sourcePackage);
flags |= UPDATE_PERMISSIONS_ALL;
it.remove();
}
}
}
// Now update the permissions for all packages, in particular
// replace the granted permissions of the system packages.
if ((flags&UPDATE_PERMISSIONS_ALL) != 0) {
for (PackageParser.Package pkg : mPackages.values()) {
if (pkg != pkgInfo) {
// Only replace for packages on requested volume
final String volumeUuid = getVolumeUuidForPackage(pkg);
final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0)
&& Objects.equals(replaceVolumeUuid, volumeUuid);
grantPermissionsLPw(pkg, replace, changingPkg);
}
}
}
if (pkgInfo != null) {
// Only replace for packages on requested volume
final String volumeUuid = getVolumeUuidForPackage(pkgInfo);
final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0)
&& Objects.equals(replaceVolumeUuid, volumeUuid);
grantPermissionsLPw(pkgInfo, replace, changingPkg);
}
}
private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace,
String packageOfInterest) {
// IMPORTANT: There are two types of permissions: install and runtime.
// Install time permissions are granted when the app is installed to
// all device users and users added in the future. Runtime permissions
// are granted at runtime explicitly to specific users. Normal and signature
// protected permissions are install time permissions. Dangerous permissions
// are install permissions if the app's target SDK is Lollipop MR1 or older,
// otherwise they are runtime permissions. This function does not manage
// runtime permissions except for the case an app targeting Lollipop MR1
// being upgraded to target a newer SDK, in which case dangerous permissions
// are transformed from install time to runtime ones.
final PackageSetting ps = (PackageSetting) pkg.mExtras;
if (ps == null) {
return;
}
PermissionsState permissionsState = ps.getPermissionsState();
PermissionsState origPermissions = permissionsState;
final int[] currentUserIds = UserManagerService.getInstance().getUserIds();
boolean runtimePermissionsRevoked = false;
int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY;
boolean changedInstallPermission = false;
if (replace) {
ps.installPermissionsFixed = false;
if (!ps.isSharedUser()) {
origPermissions = new PermissionsState(permissionsState);
permissionsState.reset();
} else {
// We need to know only about runtime permission changes since the
// calling code always writes the install permissions state but
// the runtime ones are written only if changed. The only cases of
// changed runtime permissions here are promotion of an install to
// runtime and revocation of a runtime from a shared user.
changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw(
ps.sharedUser, UserManagerService.getInstance().getUserIds());
if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) {
runtimePermissionsRevoked = true;
}
}
}
permissionsState.setGlobalGids(mGlobalGids);
final int N = pkg.requestedPermissions.size();
for (int i=0; i<N; i++) {
final String name = pkg.requestedPermissions.get(i);
final BasePermission bp = mSettings.mPermissions.get(name);
if (DEBUG_INSTALL) {
Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp);
}
if (bp == null || bp.packageSetting == null) {
if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) {
Slog.w(TAG, "Unknown permission " + name
+ " in package " + pkg.packageName);
}
continue;
}
final String perm = bp.name;
boolean allowedSig = false;
int grant = GRANT_DENIED;
// Keep track of app op permissions.
if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name);
if (pkgs == null) {
pkgs = new ArraySet<>();
mAppOpPermissionPackages.put(bp.name, pkgs);
}
pkgs.add(pkg.packageName);
}
final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE;
switch (level) {
case PermissionInfo.PROTECTION_NORMAL: {
// For all apps normal permissions are install time ones.
grant = GRANT_INSTALL;
} break;
case PermissionInfo.PROTECTION_DANGEROUS: {
if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1) {
// For legacy apps dangerous permissions are install time ones.
grant = GRANT_INSTALL_LEGACY;
} else if (origPermissions.hasInstallPermission(bp.name)) {
// For legacy apps that became modern, install becomes runtime.
grant = GRANT_UPGRADE;
} else if (mPromoteSystemApps
&& isSystemApp(ps)
&& mExistingSystemPackages.contains(ps.name)) {
// For legacy system apps, install becomes runtime.
// We cannot check hasInstallPermission() for system apps since those
// permissions were granted implicitly and not persisted pre-M.
grant = GRANT_UPGRADE;
} else {
// For modern apps keep runtime permissions unchanged.
grant = GRANT_RUNTIME;
}
} break;
case PermissionInfo.PROTECTION_SIGNATURE: {
// For all apps signature permissions are install time ones.
allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions);
if (allowedSig) {
grant = GRANT_INSTALL;
}
} break;
}
if (DEBUG_INSTALL) {
Log.i(TAG, "Package " + pkg.packageName + " granting " + perm);
}
if (grant != GRANT_DENIED) {
if (!isSystemApp(ps) && ps.installPermissionsFixed) {
// If this is an existing, non-system package, then
// we can't add any new permissions to it.
if (!allowedSig && !origPermissions.hasInstallPermission(perm)) {
// Except... if this is a permission that was added
// to the platform (note: need to only do this when
// updating the platform).
if (!isNewPlatformPermissionForPackage(perm, pkg)) {
grant = GRANT_DENIED;
}
}
}
switch (grant) {
case GRANT_INSTALL: {
// Revoke this as runtime permission to handle the case of
// a runtime permission being downgraded to an install one.
for (int userId : UserManagerService.getInstance().getUserIds()) {
if (origPermissions.getRuntimePermissionState(
bp.name, userId) != null) {
// Revoke the runtime permission and clear the flags.
origPermissions.revokeRuntimePermission(bp, userId);
origPermissions.updatePermissionFlags(bp, userId,
PackageManager.MASK_PERMISSION_FLAGS, 0);
// If we revoked a permission permission, we have to write.
changedRuntimePermissionUserIds = ArrayUtils.appendInt(
changedRuntimePermissionUserIds, userId);
}
}
// Grant an install permission.
if (permissionsState.grantInstallPermission(bp) !=
PermissionsState.PERMISSION_OPERATION_FAILURE) {
changedInstallPermission = true;
}
} break;
case GRANT_INSTALL_LEGACY: {
// Grant an install permission.
if (permissionsState.grantInstallPermission(bp) !=
PermissionsState.PERMISSION_OPERATION_FAILURE) {
changedInstallPermission = true;
}
} break;
case GRANT_RUNTIME: {
// Grant previously granted runtime permissions.
for (int userId : UserManagerService.getInstance().getUserIds()) {
PermissionState permissionState = origPermissions
.getRuntimePermissionState(bp.name, userId);
final int flags = permissionState != null
? permissionState.getFlags() : 0;
if (origPermissions.hasRuntimePermission(bp.name, userId)) {
if (permissionsState.grantRuntimePermission(bp, userId) ==
PermissionsState.PERMISSION_OPERATION_FAILURE) {
// If we cannot put the permission as it was, we have to write.
changedRuntimePermissionUserIds = ArrayUtils.appendInt(
changedRuntimePermissionUserIds, userId);
}
}
// Propagate the permission flags.
permissionsState.updatePermissionFlags(bp, userId, flags, flags);
}
} break;
case GRANT_UPGRADE: {
// Grant runtime permissions for a previously held install permission.
PermissionState permissionState = origPermissions
.getInstallPermissionState(bp.name);
final int flags = permissionState != null ? permissionState.getFlags() : 0;
if (origPermissions.revokeInstallPermission(bp)
!= PermissionsState.PERMISSION_OPERATION_FAILURE) {
// We will be transferring the permission flags, so clear them.
origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL,
PackageManager.MASK_PERMISSION_FLAGS, 0);
changedInstallPermission = true;
}
// If the permission is not to be promoted to runtime we ignore it and
// also its other flags as they are not applicable to install permissions.
if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) {
for (int userId : currentUserIds) {
if (permissionsState.grantRuntimePermission(bp, userId) !=
PermissionsState.PERMISSION_OPERATION_FAILURE) {
// Transfer the permission flags.
permissionsState.updatePermissionFlags(bp, userId,
flags, flags);
// If we granted the permission, we have to write.
changedRuntimePermissionUserIds = ArrayUtils.appendInt(
changedRuntimePermissionUserIds, userId);
}
}
}
} break;
default: {
if (packageOfInterest == null
|| packageOfInterest.equals(pkg.packageName)) {
Slog.w(TAG, "Not granting permission " + perm
+ " to package " + pkg.packageName
+ " because it was previously installed without");
}
} break;
}
} else {
if (permissionsState.revokeInstallPermission(bp) !=
PermissionsState.PERMISSION_OPERATION_FAILURE) {
// Also drop the permission flags.
permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL,
PackageManager.MASK_PERMISSION_FLAGS, 0);
changedInstallPermission = true;
Slog.i(TAG, "Un-granting permission " + perm
+ " from package " + pkg.packageName
+ " (protectionLevel=" + bp.protectionLevel
+ " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
+ ")");
} else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) {
// Don't print warning for app op permissions, since it is fine for them
// not to be granted, there is a UI for the user to decide.
if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) {
Slog.w(TAG, "Not granting permission " + perm
+ " to package " + pkg.packageName
+ " (protectionLevel=" + bp.protectionLevel
+ " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
+ ")");
}
}
}
}
if ((changedInstallPermission || replace) && !ps.installPermissionsFixed &&
!isSystemApp(ps) || isUpdatedSystemApp(ps)){
// This is the first that we have heard about this package, so the
// permissions we have now selected are fixed until explicitly
// changed.
ps.installPermissionsFixed = true;
}
// Persist the runtime permissions state for users with changes. If permissions
// were revoked because no app in the shared user declares them we have to
// write synchronously to avoid losing runtime permissions state.
for (int userId : changedRuntimePermissionUserIds) {
mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked);
}
}
private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) {
boolean allowed = false;
final int NP = PackageParser.NEW_PERMISSIONS.length;
for (int ip=0; ip<NP; ip++) {
final PackageParser.NewPermissionInfo npi
= PackageParser.NEW_PERMISSIONS[ip];
if (npi.name.equals(perm)
&& pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) {
allowed = true;
Log.i(TAG, "Auto-granting " + perm + " to old pkg "
+ pkg.packageName);
break;
}
}
return allowed;
}
private boolean grantSignaturePermission(String perm, PackageParser.Package pkg,
BasePermission bp, PermissionsState origPermissions) {
boolean allowed;
allowed = (compareSignatures(
bp.packageSetting.signatures.mSignatures, pkg.mSignatures)
== PackageManager.SIGNATURE_MATCH)
|| (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures)
== PackageManager.SIGNATURE_MATCH);
if (!allowed && (bp.protectionLevel
& PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) {
if (isSystemApp(pkg)) {
// For updated system applications, a system permission
// is granted only if it had been defined by the original application.
if (pkg.isUpdatedSystemApp()) {
final PackageSetting sysPs = mSettings
.getDisabledSystemPkgLPr(pkg.packageName);
if (sysPs.getPermissionsState().hasInstallPermission(perm)) {
// If the original was granted this permission, we take
// that grant decision as read and propagate it to the
// update.
if (sysPs.isPrivileged()) {
allowed = true;
}
} else {
// The system apk may have been updated with an older
// version of the one on the data partition, but which
// granted a new system permission that it didn't have
// before. In this case we do want to allow the app to
// now get the new permission if the ancestral apk is
// privileged to get it.
if (sysPs.pkg != null && sysPs.isPrivileged()) {
for (int j=0;
j<sysPs.pkg.requestedPermissions.size(); j++) {
if (perm.equals(
sysPs.pkg.requestedPermissions.get(j))) {
allowed = true;
break;
}
}
}
}
} else {
allowed = isPrivilegedApp(pkg);
}
}
}
if (!allowed) {
if (!allowed && (bp.protectionLevel
& PermissionInfo.PROTECTION_FLAG_PRE23) != 0
&& pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) {
// If this was a previously normal/dangerous permission that got moved
// to a system permission as part of the runtime permission redesign, then
// we still want to blindly grant it to old apps.
allowed = true;
}
if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0
&& pkg.packageName.equals(mRequiredInstallerPackage)) {
// If this permission is to be granted to the system installer and
// this app is an installer, then it gets the permission.
allowed = true;
}
if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0
&& pkg.packageName.equals(mRequiredVerifierPackage)) {
// If this permission is to be granted to the system verifier and
// this app is a verifier, then it gets the permission.
allowed = true;
}
if (!allowed && (bp.protectionLevel
& PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0
&& isSystemApp(pkg)) {
// Any pre-installed system app is allowed to get this permission.
allowed = true;
}
if (!allowed && (bp.protectionLevel
& PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) {
// For development permissions, a development permission
// is granted only if it was already granted.
allowed = origPermissions.hasInstallPermission(perm);
}
}
return allowed;
}
final class ActivityIntentResolver
extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> {
public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
boolean defaultOnly, int userId) {
if (!sUserManager.exists(userId)) return null;
mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
return super.queryIntent(intent, resolvedType, defaultOnly, userId);
}
public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
int userId) {
if (!sUserManager.exists(userId)) return null;
mFlags = flags;
return super.queryIntent(intent, resolvedType,
(flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
}
public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) {
if (!sUserManager.exists(userId)) return null;
if (packageActivities == null) {
return null;
}
mFlags = flags;
final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
final int N = packageActivities.size();
ArrayList<PackageParser.ActivityIntentInfo[]> listCut =
new ArrayList<PackageParser.ActivityIntentInfo[]>(N);
ArrayList<PackageParser.ActivityIntentInfo> intentFilters;
for (int i = 0; i < N; ++i) {
intentFilters = packageActivities.get(i).intents;
if (intentFilters != null && intentFilters.size() > 0) {
PackageParser.ActivityIntentInfo[] array =
new PackageParser.ActivityIntentInfo[intentFilters.size()];
intentFilters.toArray(array);
listCut.add(array);
}
}
return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
}
public final void addActivity(PackageParser.Activity a, String type) {
final boolean systemApp = a.info.applicationInfo.isSystemApp();
mActivities.put(a.getComponentName(), a);
if (DEBUG_SHOW_INFO)
Log.v(
TAG, " " + type + " " +
(a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":");
if (DEBUG_SHOW_INFO)
Log.v(TAG, " Class=" + a.info.name);
final int NI = a.intents.size();
for (int j=0; j<NI; j++) {
PackageParser.ActivityIntentInfo intent = a.intents.get(j);
if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) {
intent.setPriority(0);
Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity "
+ a.className + " with priority > 0, forcing to 0");
}
if (DEBUG_SHOW_INFO) {
Log.v(TAG, " IntentFilter:");
intent.dump(new LogPrinter(Log.VERBOSE, TAG), " ");
}
if (!intent.debugCheck()) {
Log.w(TAG, "==> For Activity " + a.info.name);
}
addFilter(intent);
}
}
public final void removeActivity(PackageParser.Activity a, String type) {
mActivities.remove(a.getComponentName());
if (DEBUG_SHOW_INFO) {
Log.v(TAG, " " + type + " "
+ (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel
: a.info.name) + ":");
Log.v(TAG, " Class=" + a.info.name);
}
final int NI = a.intents.size();
for (int j=0; j<NI; j++) {
PackageParser.ActivityIntentInfo intent = a.intents.get(j);
if (DEBUG_SHOW_INFO) {
Log.v(TAG, " IntentFilter:");
intent.dump(new LogPrinter(Log.VERBOSE, TAG), " ");
}
removeFilter(intent);
}
}
@Override
protected boolean allowFilterResult(
PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) {
ActivityInfo filterAi = filter.activity.info;
for (int i=dest.size()-1; i>=0; i--) {
ActivityInfo destAi = dest.get(i).activityInfo;
if (destAi.name == filterAi.name
&& destAi.packageName == filterAi.packageName) {
return false;
}
}
return true;
}
@Override
protected ActivityIntentInfo[] newArray(int size) {
return new ActivityIntentInfo[size];
}
@Override
protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) {
if (!sUserManager.exists(userId)) return true;
PackageParser.Package p = filter.activity.owner;
if (p != null) {
PackageSetting ps = (PackageSetting)p.mExtras;
if (ps != null) {
// System apps are never considered stopped for purposes of
// filtering, because there may be no way for the user to
// actually re-launch them.
return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0
&& ps.getStopped(userId);
}
}
return false;
}
@Override
protected boolean isPackageForFilter(String packageName,
PackageParser.ActivityIntentInfo info) {
return packageName.equals(info.activity.owner.packageName);
}
@Override
protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info,
int match, int userId) {
if (!sUserManager.exists(userId)) return null;
if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) {
return null;
}
final PackageParser.Activity activity = info.activity;
if (mSafeMode && (activity.info.applicationInfo.flags
&ApplicationInfo.FLAG_SYSTEM) == 0) {
return null;
}
PackageSetting ps = (PackageSetting) activity.owner.mExtras;
if (ps == null) {
return null;
}
ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags,
ps.readUserState(userId), userId);
if (ai == null) {
return null;
}
final ResolveInfo res = new ResolveInfo();
res.activityInfo = ai;
if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
res.filter = info;
}
if (info != null) {
res.handleAllWebDataURI = info.handleAllWebDataURI();
}
res.priority = info.getPriority();
res.preferredOrder = activity.owner.mPreferredOrder;
//System.out.println("Result: " + res.activityInfo.className +
// " = " + res.priority);
res.match = match;
res.isDefault = info.hasDefault;
res.labelRes = info.labelRes;
res.nonLocalizedLabel = info.nonLocalizedLabel;
if (userNeedsBadging(userId)) {
res.noResourceId = true;
} else {
res.icon = info.icon;
}
res.iconResourceId = info.icon;
res.system = res.activityInfo.applicationInfo.isSystemApp();
return res;
}
@Override
protected void sortResults(List<ResolveInfo> results) {
Collections.sort(results, mResolvePrioritySorter);
}
@Override
protected void dumpFilter(PrintWriter out, String prefix,
PackageParser.ActivityIntentInfo filter) {
out.print(prefix); out.print(
Integer.toHexString(System.identityHashCode(filter.activity)));
out.print(' ');
filter.activity.printComponentShortName(out);
out.print(" filter ");
out.println(Integer.toHexString(System.identityHashCode(filter)));
}
@Override
protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) {
return filter.activity;
}
protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
PackageParser.Activity activity = (PackageParser.Activity)label;
out.print(prefix); out.print(
Integer.toHexString(System.identityHashCode(activity)));
out.print(' ');
activity.printComponentShortName(out);
if (count > 1) {
out.print(" ("); out.print(count); out.print(" filters)");
}
out.println();
}
// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
// final Iterator<ResolveInfo> i = resolveInfoList.iterator();
// final List<ResolveInfo> retList = Lists.newArrayList();
// while (i.hasNext()) {
// final ResolveInfo resolveInfo = i.next();
// if (isEnabledLP(resolveInfo.activityInfo)) {
// retList.add(resolveInfo);
// }
// }
// return retList;
// }
// Keys are String (activity class name), values are Activity.
private final ArrayMap<ComponentName, PackageParser.Activity> mActivities
= new ArrayMap<ComponentName, PackageParser.Activity>();
private int mFlags;
}
private final class ServiceIntentResolver
extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> {
public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
boolean defaultOnly, int userId) {
mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
return super.queryIntent(intent, resolvedType, defaultOnly, userId);
}
public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
int userId) {
if (!sUserManager.exists(userId)) return null;
mFlags = flags;
return super.queryIntent(intent, resolvedType,
(flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
}
public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
int flags, ArrayList<PackageParser.Service> packageServices, int userId) {
if (!sUserManager.exists(userId)) return null;
if (packageServices == null) {
return null;
}
mFlags = flags;
final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
final int N = packageServices.size();
ArrayList<PackageParser.ServiceIntentInfo[]> listCut =
new ArrayList<PackageParser.ServiceIntentInfo[]>(N);
ArrayList<PackageParser.ServiceIntentInfo> intentFilters;
for (int i = 0; i < N; ++i) {
intentFilters = packageServices.get(i).intents;
if (intentFilters != null && intentFilters.size() > 0) {
PackageParser.ServiceIntentInfo[] array =
new PackageParser.ServiceIntentInfo[intentFilters.size()];
intentFilters.toArray(array);
listCut.add(array);
}
}
return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
}
public final void addService(PackageParser.Service s) {
mServices.put(s.getComponentName(), s);
if (DEBUG_SHOW_INFO) {
Log.v(TAG, " "
+ (s.info.nonLocalizedLabel != null
? s.info.nonLocalizedLabel : s.info.name) + ":");
Log.v(TAG, " Class=" + s.info.name);
}
final int NI = s.intents.size();
int j;
for (j=0; j<NI; j++) {
PackageParser.ServiceIntentInfo intent = s.intents.get(j);
if (DEBUG_SHOW_INFO) {
Log.v(TAG, " IntentFilter:");
intent.dump(new LogPrinter(Log.VERBOSE, TAG), " ");
}
if (!intent.debugCheck()) {
Log.w(TAG, "==> For Service " + s.info.name);
}
addFilter(intent);
}
}
public final void removeService(PackageParser.Service s) {
mServices.remove(s.getComponentName());
if (DEBUG_SHOW_INFO) {
Log.v(TAG, " " + (s.info.nonLocalizedLabel != null
? s.info.nonLocalizedLabel : s.info.name) + ":");
Log.v(TAG, " Class=" + s.info.name);
}
final int NI = s.intents.size();
int j;
for (j=0; j<NI; j++) {
PackageParser.ServiceIntentInfo intent = s.intents.get(j);
if (DEBUG_SHOW_INFO) {
Log.v(TAG, " IntentFilter:");
intent.dump(new LogPrinter(Log.VERBOSE, TAG), " ");
}
removeFilter(intent);
}
}
@Override
protected boolean allowFilterResult(
PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) {
ServiceInfo filterSi = filter.service.info;
for (int i=dest.size()-1; i>=0; i--) {
ServiceInfo destAi = dest.get(i).serviceInfo;
if (destAi.name == filterSi.name
&& destAi.packageName == filterSi.packageName) {
return false;
}
}
return true;
}
@Override
protected PackageParser.ServiceIntentInfo[] newArray(int size) {
return new PackageParser.ServiceIntentInfo[size];
}
@Override
protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) {
if (!sUserManager.exists(userId)) return true;
PackageParser.Package p = filter.service.owner;
if (p != null) {
PackageSetting ps = (PackageSetting)p.mExtras;
if (ps != null) {
// System apps are never considered stopped for purposes of
// filtering, because there may be no way for the user to
// actually re-launch them.
return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
&& ps.getStopped(userId);
}
}
return false;
}
@Override
protected boolean isPackageForFilter(String packageName,
PackageParser.ServiceIntentInfo info) {
return packageName.equals(info.service.owner.packageName);
}
@Override
protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter,
int match, int userId) {
if (!sUserManager.exists(userId)) return null;
final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter;
if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) {
return null;
}
final PackageParser.Service service = info.service;
if (mSafeMode && (service.info.applicationInfo.flags
&ApplicationInfo.FLAG_SYSTEM) == 0) {
return null;
}
PackageSetting ps = (PackageSetting) service.owner.mExtras;
if (ps == null) {
return null;
}
ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags,
ps.readUserState(userId), userId);
if (si == null) {
return null;
}
final ResolveInfo res = new ResolveInfo();
res.serviceInfo = si;
if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
res.filter = filter;
}
res.priority = info.getPriority();
res.preferredOrder = service.owner.mPreferredOrder;
res.match = match;
res.isDefault = info.hasDefault;
res.labelRes = info.labelRes;
res.nonLocalizedLabel = info.nonLocalizedLabel;
res.icon = info.icon;
res.system = res.serviceInfo.applicationInfo.isSystemApp();
return res;
}
@Override
protected void sortResults(List<ResolveInfo> results) {
Collections.sort(results, mResolvePrioritySorter);
}
@Override
protected void dumpFilter(PrintWriter out, String prefix,
PackageParser.ServiceIntentInfo filter) {
out.print(prefix); out.print(
Integer.toHexString(System.identityHashCode(filter.service)));
out.print(' ');
filter.service.printComponentShortName(out);
out.print(" filter ");
out.println(Integer.toHexString(System.identityHashCode(filter)));
}
@Override
protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) {
return filter.service;
}
protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
PackageParser.Service service = (PackageParser.Service)label;
out.print(prefix); out.print(
Integer.toHexString(System.identityHashCode(service)));
out.print(' ');
service.printComponentShortName(out);
if (count > 1) {
out.print(" ("); out.print(count); out.print(" filters)");
}
out.println();
}
// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
// final Iterator<ResolveInfo> i = resolveInfoList.iterator();
// final List<ResolveInfo> retList = Lists.newArrayList();
// while (i.hasNext()) {
// final ResolveInfo resolveInfo = (ResolveInfo) i;
// if (isEnabledLP(resolveInfo.serviceInfo)) {
// retList.add(resolveInfo);
// }
// }
// return retList;
// }
// Keys are String (activity class name), values are Activity.
private final ArrayMap<ComponentName, PackageParser.Service> mServices
= new ArrayMap<ComponentName, PackageParser.Service>();
private int mFlags;
};
private final class ProviderIntentResolver
extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> {
public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
boolean defaultOnly, int userId) {
mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
return super.queryIntent(intent, resolvedType, defaultOnly, userId);
}
public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
int userId) {
if (!sUserManager.exists(userId))
return null;
mFlags = flags;
return super.queryIntent(intent, resolvedType,
(flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
}
public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) {
if (!sUserManager.exists(userId))
return null;
if (packageProviders == null) {
return null;
}
mFlags = flags;
final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0;
final int N = packageProviders.size();
ArrayList<PackageParser.ProviderIntentInfo[]> listCut =
new ArrayList<PackageParser.ProviderIntentInfo[]>(N);
ArrayList<PackageParser.ProviderIntentInfo> intentFilters;
for (int i = 0; i < N; ++i) {
intentFilters = packageProviders.get(i).intents;
if (intentFilters != null && intentFilters.size() > 0) {
PackageParser.ProviderIntentInfo[] array =
new PackageParser.ProviderIntentInfo[intentFilters.size()];
intentFilters.toArray(array);
listCut.add(array);
}
}
return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
}
public final void addProvider(PackageParser.Provider p) {
if (mProviders.containsKey(p.getComponentName())) {
Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring");
return;
}
mProviders.put(p.getComponentName(), p);
if (DEBUG_SHOW_INFO) {
Log.v(TAG, " "
+ (p.info.nonLocalizedLabel != null
? p.info.nonLocalizedLabel : p.info.name) + ":");
Log.v(TAG, " Class=" + p.info.name);
}
final int NI = p.intents.size();
int j;
for (j = 0; j < NI; j++) {
PackageParser.ProviderIntentInfo intent = p.intents.get(j);
if (DEBUG_SHOW_INFO) {
Log.v(TAG, " IntentFilter:");
intent.dump(new LogPrinter(Log.VERBOSE, TAG), " ");
}
if (!intent.debugCheck()) {
Log.w(TAG, "==> For Provider " + p.info.name);
}
addFilter(intent);
}
}
public final void removeProvider(PackageParser.Provider p) {
mProviders.remove(p.getComponentName());
if (DEBUG_SHOW_INFO) {
Log.v(TAG, " " + (p.info.nonLocalizedLabel != null
? p.info.nonLocalizedLabel : p.info.name) + ":");
Log.v(TAG, " Class=" + p.info.name);
}
final int NI = p.intents.size();
int j;
for (j = 0; j < NI; j++) {
PackageParser.ProviderIntentInfo intent = p.intents.get(j);
if (DEBUG_SHOW_INFO) {
Log.v(TAG, " IntentFilter:");
intent.dump(new LogPrinter(Log.VERBOSE, TAG), " ");
}
removeFilter(intent);
}
}
@Override
protected boolean allowFilterResult(
PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) {
ProviderInfo filterPi = filter.provider.info;
for (int i = dest.size() - 1; i >= 0; i--) {
ProviderInfo destPi = dest.get(i).providerInfo;
if (destPi.name == filterPi.name
&& destPi.packageName == filterPi.packageName) {
return false;
}
}
return true;
}
@Override
protected PackageParser.ProviderIntentInfo[] newArray(int size) {
return new PackageParser.ProviderIntentInfo[size];
}
@Override
protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) {
if (!sUserManager.exists(userId))
return true;
PackageParser.Package p = filter.provider.owner;
if (p != null) {
PackageSetting ps = (PackageSetting) p.mExtras;
if (ps != null) {
// System apps are never considered stopped for purposes of
// filtering, because there may be no way for the user to
// actually re-launch them.
return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
&& ps.getStopped(userId);
}
}
return false;
}
@Override
protected boolean isPackageForFilter(String packageName,
PackageParser.ProviderIntentInfo info) {
return packageName.equals(info.provider.owner.packageName);
}
@Override
protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter,
int match, int userId) {
if (!sUserManager.exists(userId))
return null;
final PackageParser.ProviderIntentInfo info = filter;
if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) {
return null;
}
final PackageParser.Provider provider = info.provider;
if (mSafeMode && (provider.info.applicationInfo.flags
& ApplicationInfo.FLAG_SYSTEM) == 0) {
return null;
}
PackageSetting ps = (PackageSetting) provider.owner.mExtras;
if (ps == null) {
return null;
}
ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags,
ps.readUserState(userId), userId);
if (pi == null) {
return null;
}
final ResolveInfo res = new ResolveInfo();
res.providerInfo = pi;
if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) {
res.filter = filter;
}
res.priority = info.getPriority();
res.preferredOrder = provider.owner.mPreferredOrder;
res.match = match;
res.isDefault = info.hasDefault;
res.labelRes = info.labelRes;
res.nonLocalizedLabel = info.nonLocalizedLabel;
res.icon = info.icon;
res.system = res.providerInfo.applicationInfo.isSystemApp();
return res;
}
@Override
protected void sortResults(List<ResolveInfo> results) {
Collections.sort(results, mResolvePrioritySorter);
}
@Override
protected void dumpFilter(PrintWriter out, String prefix,
PackageParser.ProviderIntentInfo filter) {
out.print(prefix);
out.print(
Integer.toHexString(System.identityHashCode(filter.provider)));
out.print(' ');
filter.provider.printComponentShortName(out);
out.print(" filter ");
out.println(Integer.toHexString(System.identityHashCode(filter)));
}
@Override
protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) {
return filter.provider;
}
protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
PackageParser.Provider provider = (PackageParser.Provider)label;
out.print(prefix); out.print(
Integer.toHexString(System.identityHashCode(provider)));
out.print(' ');
provider.printComponentShortName(out);
if (count > 1) {
out.print(" ("); out.print(count); out.print(" filters)");
}
out.println();
}
private final ArrayMap<ComponentName, PackageParser.Provider> mProviders
= new ArrayMap<ComponentName, PackageParser.Provider>();
private int mFlags;
};
private static final Comparator<ResolveInfo> mResolvePrioritySorter =
new Comparator<ResolveInfo>() {
public int compare(ResolveInfo r1, ResolveInfo r2) {
int v1 = r1.priority;
int v2 = r2.priority;
//System.out.println("Comparing: q1=" + q1 + " q2=" + q2);
if (v1 != v2) {
return (v1 > v2) ? -1 : 1;
}
v1 = r1.preferredOrder;
v2 = r2.preferredOrder;
if (v1 != v2) {
return (v1 > v2) ? -1 : 1;
}
if (r1.isDefault != r2.isDefault) {
return r1.isDefault ? -1 : 1;
}
v1 = r1.match;
v2 = r2.match;
//System.out.println("Comparing: m1=" + m1 + " m2=" + m2);
if (v1 != v2) {
return (v1 > v2) ? -1 : 1;
}
if (r1.system != r2.system) {
return r1.system ? -1 : 1;
}
return 0;
}
};
private static final Comparator<ProviderInfo> mProviderInitOrderSorter =
new Comparator<ProviderInfo>() {
public int compare(ProviderInfo p1, ProviderInfo p2) {
final int v1 = p1.initOrder;
final int v2 = p2.initOrder;
return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0);
}
};
final void sendPackageBroadcast(final String action, final String pkg,
final Bundle extras, final String targetPkg, final IIntentReceiver finishedReceiver,
final int[] userIds) {
mHandler.post(new Runnable() {
@Override
public void run() {
try {
final IActivityManager am = ActivityManagerNative.getDefault();
if (am == null) return;
final int[] resolvedUserIds;
if (userIds == null) {
resolvedUserIds = am.getRunningUserIds();
} else {
resolvedUserIds = userIds;
}
for (int id : resolvedUserIds) {
final Intent intent = new Intent(action,
pkg != null ? Uri.fromParts("package", pkg, null) : null);
if (extras != null) {
intent.putExtras(extras);
}
if (targetPkg != null) {
intent.setPackage(targetPkg);
}
// Modify the UID when posting to other users
int uid = intent.getIntExtra(Intent.EXTRA_UID, -1);
if (uid > 0 && UserHandle.getUserId(uid) != id) {
uid = UserHandle.getUid(id, UserHandle.getAppId(uid));
intent.putExtra(Intent.EXTRA_UID, uid);
}
intent.putExtra(Intent.EXTRA_USER_HANDLE, id);
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
if (DEBUG_BROADCASTS) {
RuntimeException here = new RuntimeException("here");
here.fillInStackTrace();
Slog.d(TAG, "Sending to user " + id + ": "
+ intent.toShortString(false, true, false, false)
+ " " + intent.getExtras(), here);
}
am.broadcastIntent(null, intent, null, finishedReceiver,
0, null, null, null, android.app.AppOpsManager.OP_NONE,
null, finishedReceiver != null, false, id);
}
} catch (RemoteException ex) {
}
}
});
}
/**
* Check if the external storage media is available. This is true if there
* is a mounted external storage medium or if the external storage is
* emulated.
*/
private boolean isExternalMediaAvailable() {
return mMediaMounted || Environment.isExternalStorageEmulated();
}
@Override
public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) {
// writer
synchronized (mPackages) {
if (!isExternalMediaAvailable()) {
// If the external storage is no longer mounted at this point,
// the caller may not have been able to delete all of this
// packages files and can not delete any more. Bail.
return null;
}
final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned;
if (lastPackage != null) {
pkgs.remove(lastPackage);
}
if (pkgs.size() > 0) {
return pkgs.get(0);
}
}
return null;
}
void schedulePackageCleaning(String packageName, int userId, boolean andCode) {
final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE,
userId, andCode ? 1 : 0, packageName);
if (mSystemReady) {
msg.sendToTarget();
} else {
if (mPostSystemReadyMessages == null) {
mPostSystemReadyMessages = new ArrayList<>();
}
mPostSystemReadyMessages.add(msg);
}
}
void startCleaningPackages() {
// reader
synchronized (mPackages) {
if (!isExternalMediaAvailable()) {
return;
}
if (mSettings.mPackagesToBeCleaned.isEmpty()) {
return;
}
}
Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE);
intent.setComponent(DEFAULT_CONTAINER_COMPONENT);
IActivityManager am = ActivityManagerNative.getDefault();
if (am != null) {
try {
am.startService(null, intent, null, mContext.getOpPackageName(),
UserHandle.USER_OWNER);
} catch (RemoteException e) {
}
}
}
@Override
public void installPackage(String originPath, IPackageInstallObserver2 observer,
int installFlags, String installerPackageName, VerificationParams verificationParams,
String packageAbiOverride) {
installPackageAsUser(originPath, observer, installFlags, installerPackageName,
verificationParams, packageAbiOverride, UserHandle.getCallingUserId());
}
@Override
public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer,
int installFlags, String installerPackageName, VerificationParams verificationParams,
String packageAbiOverride, int userId) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null);
final int callingUid = Binder.getCallingUid();
enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser");
if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
try {
if (observer != null) {
observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null);
}
} catch (RemoteException re) {
}
return;
}
if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) {
installFlags |= PackageManager.INSTALL_FROM_ADB;
} else {
// Caller holds INSTALL_PACKAGES permission, so we're less strict
// about installerPackageName.
installFlags &= ~PackageManager.INSTALL_FROM_ADB;
installFlags &= ~PackageManager.INSTALL_ALL_USERS;
}
UserHandle user;
if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) {
user = UserHandle.ALL;
} else {
user = new UserHandle(userId);
}
// Only system components can circumvent runtime permissions when installing.
if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0
&& mContext.checkCallingOrSelfPermission(Manifest.permission
.INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) {
throw new SecurityException("You need the "
+ "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission "
+ "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag");
}
verificationParams.setInstallerUid(callingUid);
final File originFile = new File(originPath);
final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile);
final Message msg = mHandler.obtainMessage(INIT_COPY);
msg.obj = new InstallParams(origin, null, observer, installFlags, installerPackageName,
null, verificationParams, user, packageAbiOverride, null);
mHandler.sendMessage(msg);
}
void installStage(String packageName, File stagedDir, String stagedCid,
IPackageInstallObserver2 observer, PackageInstaller.SessionParams params,
String installerPackageName, int installerUid, UserHandle user) {
final VerificationParams verifParams = new VerificationParams(null, params.originatingUri,
params.referrerUri, installerUid, null);
verifParams.setInstallerUid(installerUid);
final OriginInfo origin;
if (stagedDir != null) {
origin = OriginInfo.fromStagedFile(stagedDir);
} else {
origin = OriginInfo.fromStagedContainer(stagedCid);
}
final Message msg = mHandler.obtainMessage(INIT_COPY);
msg.obj = new InstallParams(origin, null, observer, params.installFlags,
installerPackageName, params.volumeUuid, verifParams, user, params.abiOverride,
params.grantedRuntimePermissions);
mHandler.sendMessage(msg);
}
private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) {
Bundle extras = new Bundle(1);
extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId));
sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
packageName, extras, null, null, new int[] {userId});
try {
IActivityManager am = ActivityManagerNative.getDefault();
final boolean isSystem =
isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting);
if (isSystem && am.isUserRunning(userId, false)) {
// The just-installed/enabled app is bundled on the system, so presumed
// to be able to run automatically without needing an explicit launch.
// Send it a BOOT_COMPLETED if it would ordinarily have gotten one.
Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED)
.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
.setPackage(packageName);
am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null,
android.app.AppOpsManager.OP_NONE, null, false, false, userId);
}
} catch (RemoteException e) {
// shouldn't happen
Slog.w(TAG, "Unable to bootstrap installed package", e);
}
}
@Override
public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden,
int userId) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
PackageSetting pkgSetting;
final int uid = Binder.getCallingUid();
enforceCrossUserPermission(uid, userId, true, true,
"setApplicationHiddenSetting for user " + userId);
if (hidden && isPackageDeviceAdmin(packageName, userId)) {
Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin");
return false;
}
long callingId = Binder.clearCallingIdentity();
try {
boolean sendAdded = false;
boolean sendRemoved = false;
// writer
synchronized (mPackages) {
pkgSetting = mSettings.mPackages.get(packageName);
if (pkgSetting == null) {
return false;
}
if (pkgSetting.getHidden(userId) != hidden) {
pkgSetting.setHidden(hidden, userId);
mSettings.writePackageRestrictionsLPr(userId);
if (hidden) {
sendRemoved = true;
} else {
sendAdded = true;
}
}
}
if (sendAdded) {
sendPackageAddedForUser(packageName, pkgSetting, userId);
return true;
}
if (sendRemoved) {
killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId),
"hiding pkg");
sendApplicationHiddenForUser(packageName, pkgSetting, userId);
return true;
}
} finally {
Binder.restoreCallingIdentity(callingId);
}
return false;
}
private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting,
int userId) {
final PackageRemovedInfo info = new PackageRemovedInfo();
info.removedPackage = packageName;
info.removedUsers = new int[] {userId};
info.uid = UserHandle.getUid(userId, pkgSetting.appId);
info.sendBroadcast(false, false, false);
}
/**
* Returns true if application is not found or there was an error. Otherwise it returns
* the hidden state of the package for the given user.
*/
@Override
public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
enforceCrossUserPermission(Binder.getCallingUid(), userId, true,
false, "getApplicationHidden for user " + userId);
PackageSetting pkgSetting;
long callingId = Binder.clearCallingIdentity();
try {
// writer
synchronized (mPackages) {
pkgSetting = mSettings.mPackages.get(packageName);
if (pkgSetting == null) {
return true;
}
return pkgSetting.getHidden(userId);
}
} finally {
Binder.restoreCallingIdentity(callingId);
}
}
/**
* @hide
*/
@Override
public int installExistingPackageAsUser(String packageName, int userId) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES,
null);
PackageSetting pkgSetting;
final int uid = Binder.getCallingUid();
enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user "
+ userId);
if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
return PackageManager.INSTALL_FAILED_USER_RESTRICTED;
}
long callingId = Binder.clearCallingIdentity();
try {
boolean sendAdded = false;
// writer
synchronized (mPackages) {
pkgSetting = mSettings.mPackages.get(packageName);
if (pkgSetting == null) {
return PackageManager.INSTALL_FAILED_INVALID_URI;
}
if (!pkgSetting.getInstalled(userId)) {
pkgSetting.setInstalled(true, userId);
pkgSetting.setHidden(false, userId);
mSettings.writePackageRestrictionsLPr(userId);
sendAdded = true;
}
}
if (sendAdded) {
sendPackageAddedForUser(packageName, pkgSetting, userId);
}
} finally {
Binder.restoreCallingIdentity(callingId);
}
return PackageManager.INSTALL_SUCCEEDED;
}
boolean isUserRestricted(int userId, String restrictionKey) {
Bundle restrictions = sUserManager.getUserRestrictions(userId);
if (restrictions.getBoolean(restrictionKey, false)) {
Log.w(TAG, "User is restricted: " + restrictionKey);
return true;
}
return false;
}
@Override
public void verifyPendingInstall(int id, int verificationCode) throws RemoteException {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
"Only package verification agents can verify applications");
final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
final PackageVerificationResponse response = new PackageVerificationResponse(
verificationCode, Binder.getCallingUid());
msg.arg1 = id;
msg.obj = response;
mHandler.sendMessage(msg);
}
@Override
public void extendVerificationTimeout(int id, int verificationCodeAtTimeout,
long millisecondsToDelay) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
"Only package verification agents can extend verification timeouts");
final PackageVerificationState state = mPendingVerification.get(id);
final PackageVerificationResponse response = new PackageVerificationResponse(
verificationCodeAtTimeout, Binder.getCallingUid());
if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) {
millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT;
}
if (millisecondsToDelay < 0) {
millisecondsToDelay = 0;
}
if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW)
&& (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) {
verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT;
}
if ((state != null) && !state.timeoutExtended()) {
state.extendTimeout();
final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
msg.arg1 = id;
msg.obj = response;
mHandler.sendMessageDelayed(msg, millisecondsToDelay);
}
}
private void broadcastPackageVerified(int verificationId, Uri packageUri,
int verificationCode, UserHandle user) {
final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED);
intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE);
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode);
mContext.sendBroadcastAsUser(intent, user,
android.Manifest.permission.PACKAGE_VERIFICATION_AGENT);
}
private ComponentName matchComponentForVerifier(String packageName,
List<ResolveInfo> receivers) {
ActivityInfo targetReceiver = null;
final int NR = receivers.size();
for (int i = 0; i < NR; i++) {
final ResolveInfo info = receivers.get(i);
if (info.activityInfo == null) {
continue;
}
if (packageName.equals(info.activityInfo.packageName)) {
targetReceiver = info.activityInfo;
break;
}
}
if (targetReceiver == null) {
return null;
}
return new ComponentName(targetReceiver.packageName, targetReceiver.name);
}
private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo,
List<ResolveInfo> receivers, final PackageVerificationState verificationState) {
if (pkgInfo.verifiers.length == 0) {
return null;
}
final int N = pkgInfo.verifiers.length;
final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1);
for (int i = 0; i < N; i++) {
final VerifierInfo verifierInfo = pkgInfo.verifiers[i];
final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName,
receivers);
if (comp == null) {
continue;
}
final int verifierUid = getUidForVerifier(verifierInfo);
if (verifierUid == -1) {
continue;
}
if (DEBUG_VERIFY) {
Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName
+ " with the correct signature");
}
sufficientVerifiers.add(comp);
verificationState.addSufficientVerifier(verifierUid);
}
return sufficientVerifiers;
}
private int getUidForVerifier(VerifierInfo verifierInfo) {
synchronized (mPackages) {
final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName);
if (pkg == null) {
return -1;
} else if (pkg.mSignatures.length != 1) {
Slog.i(TAG, "Verifier package " + verifierInfo.packageName
+ " has more than one signature; ignoring");
return -1;
}
/*
* If the public key of the package's signature does not match
* our expected public key, then this is a different package and
* we should skip.
*/
final byte[] expectedPublicKey;
try {
final Signature verifierSig = pkg.mSignatures[0];
final PublicKey publicKey = verifierSig.getPublicKey();
expectedPublicKey = publicKey.getEncoded();
} catch (CertificateException e) {
return -1;
}
final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded();
if (!Arrays.equals(actualPublicKey, expectedPublicKey)) {
Slog.i(TAG, "Verifier package " + verifierInfo.packageName
+ " does not have the expected public key; ignoring");
return -1;
}
return pkg.applicationInfo.uid;
}
}
@Override
public void finishPackageInstall(int token) {
enforceSystemOrRoot("Only the system is allowed to finish installs");
if (DEBUG_INSTALL) {
Slog.v(TAG, "BM finishing package install for " + token);
}
final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
mHandler.sendMessage(msg);
}
/**
* Get the verification agent timeout.
*
* @return verification timeout in milliseconds
*/
private long getVerificationTimeout() {
return android.provider.Settings.Global.getLong(mContext.getContentResolver(),
android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT,
DEFAULT_VERIFICATION_TIMEOUT);
}
/**
* Get the default verification agent response code.
*
* @return default verification response code
*/
private int getDefaultVerificationResponse() {
return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE,
DEFAULT_VERIFICATION_RESPONSE);
}
/**
* Check whether or not package verification has been enabled.
*
* @return true if verification should be performed
*/
private boolean isVerificationEnabled(int userId, int installFlags) {
if (!DEFAULT_VERIFY_ENABLE) {
return false;
}
boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS);
// Check if installing from ADB
if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) {
// Do not run verification in a test harness environment
if (ActivityManager.isRunningInTestHarness()) {
return false;
}
if (ensureVerifyAppsEnabled) {
return true;
}
// Check if the developer does not want package verification for ADB installs
if (android.provider.Settings.Global.getInt(mContext.getContentResolver(),
android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) {
return false;
}
}
if (ensureVerifyAppsEnabled) {
return true;
}
return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1;
}
@Override
public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains)
throws RemoteException {
mContext.enforceCallingOrSelfPermission(
Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT,
"Only intentfilter verification agents can verify applications");
final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED);
final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse(
Binder.getCallingUid(), verificationCode, failedDomains);
msg.arg1 = id;
msg.obj = response;
mHandler.sendMessage(msg);
}
@Override
public int getIntentVerificationStatus(String packageName, int userId) {
synchronized (mPackages) {
return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId);
}
}
@Override
public boolean updateIntentVerificationStatus(String packageName, int status, int userId) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
boolean result = false;
synchronized (mPackages) {
result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId);
}
if (result) {
scheduleWritePackageRestrictionsLocked(userId);
}
return result;
}
@Override
public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) {
synchronized (mPackages) {
return mSettings.getIntentFilterVerificationsLPr(packageName);
}
}
@Override
public List<IntentFilter> getAllIntentFilters(String packageName) {
if (TextUtils.isEmpty(packageName)) {
return Collections.<IntentFilter>emptyList();
}
synchronized (mPackages) {
PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null || pkg.activities == null) {
return Collections.<IntentFilter>emptyList();
}
final int count = pkg.activities.size();
ArrayList<IntentFilter> result = new ArrayList<>();
for (int n=0; n<count; n++) {
PackageParser.Activity activity = pkg.activities.get(n);
if (activity.intents != null || activity.intents.size() > 0) {
result.addAll(activity.intents);
}
}
return result;
}
}
@Override
public boolean setDefaultBrowserPackageName(String packageName, int userId) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
synchronized (mPackages) {
boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId);
if (packageName != null) {
result |= updateIntentVerificationStatus(packageName,
PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS,
userId);
mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr(
packageName, userId);
}
return result;
}
}
@Override
public String getDefaultBrowserPackageName(int userId) {
synchronized (mPackages) {
return mSettings.getDefaultBrowserPackageNameLPw(userId);
}
}
/**
* Get the "allow unknown sources" setting.
*
* @return the current "allow unknown sources" setting
*/
private int getUnknownSourcesSettings() {
return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
android.provider.Settings.Global.INSTALL_NON_MARKET_APPS,
-1);
}
@Override
public void setInstallerPackageName(String targetPackage, String installerPackageName) {
final int uid = Binder.getCallingUid();
// writer
synchronized (mPackages) {
PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage);
if (targetPackageSetting == null) {
throw new IllegalArgumentException("Unknown target package: " + targetPackage);
}
PackageSetting installerPackageSetting;
if (installerPackageName != null) {
installerPackageSetting = mSettings.mPackages.get(installerPackageName);
if (installerPackageSetting == null) {
throw new IllegalArgumentException("Unknown installer package: "
+ installerPackageName);
}
} else {
installerPackageSetting = null;
}
Signature[] callerSignature;
Object obj = mSettings.getUserIdLPr(uid);
if (obj != null) {
if (obj instanceof SharedUserSetting) {
callerSignature = ((SharedUserSetting)obj).signatures.mSignatures;
} else if (obj instanceof PackageSetting) {
callerSignature = ((PackageSetting)obj).signatures.mSignatures;
} else {
throw new SecurityException("Bad object " + obj + " for uid " + uid);
}
} else {
throw new SecurityException("Unknown calling uid " + uid);
}
// Verify: can't set installerPackageName to a package that is
// not signed with the same cert as the caller.
if (installerPackageSetting != null) {
if (compareSignatures(callerSignature,
installerPackageSetting.signatures.mSignatures)
!= PackageManager.SIGNATURE_MATCH) {
throw new SecurityException(
"Caller does not have same cert as new installer package "
+ installerPackageName);
}
}
// Verify: if target already has an installer package, it must
// be signed with the same cert as the caller.
if (targetPackageSetting.installerPackageName != null) {
PackageSetting setting = mSettings.mPackages.get(
targetPackageSetting.installerPackageName);
// If the currently set package isn't valid, then it's always
// okay to change it.
if (setting != null) {
if (compareSignatures(callerSignature,
setting.signatures.mSignatures)
!= PackageManager.SIGNATURE_MATCH) {
throw new SecurityException(
"Caller does not have same cert as old installer package "
+ targetPackageSetting.installerPackageName);
}
}
}
// Okay!
targetPackageSetting.installerPackageName = installerPackageName;
scheduleWriteSettingsLocked();
}
}
private void processPendingInstall(final InstallArgs args, final int currentStatus) {
// Queue up an async operation since the package installation may take a little while.
mHandler.post(new Runnable() {
public void run() {
mHandler.removeCallbacks(this);
// Result object to be returned
PackageInstalledInfo res = new PackageInstalledInfo();
res.returnCode = currentStatus;
res.uid = -1;
res.pkg = null;
res.removedInfo = new PackageRemovedInfo();
if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
args.doPreInstall(res.returnCode);
synchronized (mInstallLock) {
installPackageLI(args, res);
}
args.doPostInstall(res.returnCode, res.uid);
}
// A restore should be performed at this point if (a) the install
// succeeded, (b) the operation is not an update, and (c) the new
// package has not opted out of backup participation.
final boolean update = res.removedInfo.removedPackage != null;
final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags;
boolean doRestore = !update
&& ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0);
// Set up the post-install work request bookkeeping. This will be used
// and cleaned up by the post-install event handling regardless of whether
// there's a restore pass performed. Token values are >= 1.
int token;
if (mNextInstallToken < 0) mNextInstallToken = 1;
token = mNextInstallToken++;
PostInstallData data = new PostInstallData(args, res);
mRunningInstalls.put(token, data);
if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token);
if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) {
// Pass responsibility to the Backup Manager. It will perform a
// restore if appropriate, then pass responsibility back to the
// Package Manager to run the post-install observer callbacks
// and broadcasts.
IBackupManager bm = IBackupManager.Stub.asInterface(
ServiceManager.getService(Context.BACKUP_SERVICE));
if (bm != null) {
if (DEBUG_INSTALL) Log.v(TAG, "token " + token
+ " to BM for possible restore");
try {
if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) {
bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token);
} else {
doRestore = false;
}
} catch (RemoteException e) {
// can't happen; the backup manager is local
} catch (Exception e) {
Slog.e(TAG, "Exception trying to enqueue restore", e);
doRestore = false;
}
} else {
Slog.e(TAG, "Backup Manager not found!");
doRestore = false;
}
}
if (!doRestore) {
// No restore possible, or the Backup Manager was mysteriously not
// available -- just fire the post-install work request directly.
if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token);
Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
mHandler.sendMessage(msg);
}
}
});
}
private abstract class HandlerParams {
private static final int MAX_RETRIES = 4;
/**
* Number of times startCopy() has been attempted and had a non-fatal
* error.
*/
private int mRetries = 0;
/** User handle for the user requesting the information or installation. */
private final UserHandle mUser;
HandlerParams(UserHandle user) {
mUser = user;
}
UserHandle getUser() {
return mUser;
}
final boolean startCopy() {
boolean res;
try {
if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this);
if (++mRetries > MAX_RETRIES) {
Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up");
mHandler.sendEmptyMessage(MCS_GIVE_UP);
handleServiceError();
return false;
} else {
handleStartCopy();
res = true;
}
} catch (RemoteException e) {
if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT");
mHandler.sendEmptyMessage(MCS_RECONNECT);
res = false;
}
handleReturnCode();
return res;
}
final void serviceError() {
if (DEBUG_INSTALL) Slog.i(TAG, "serviceError");
handleServiceError();
handleReturnCode();
}
abstract void handleStartCopy() throws RemoteException;
abstract void handleServiceError();
abstract void handleReturnCode();
}
class MeasureParams extends HandlerParams {
private final PackageStats mStats;
private boolean mSuccess;
private final IPackageStatsObserver mObserver;
public MeasureParams(PackageStats stats, IPackageStatsObserver observer) {
super(new UserHandle(stats.userHandle));
mObserver = observer;
mStats = stats;
}
@Override
public String toString() {
return "MeasureParams{"
+ Integer.toHexString(System.identityHashCode(this))
+ " " + mStats.packageName + "}";
}
@Override
void handleStartCopy() throws RemoteException {
synchronized (mInstallLock) {
mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats);
}
if (mSuccess) {
final boolean mounted;
if (Environment.isExternalStorageEmulated()) {
mounted = true;
} else {
final String status = Environment.getExternalStorageState();
mounted = (Environment.MEDIA_MOUNTED.equals(status)
|| Environment.MEDIA_MOUNTED_READ_ONLY.equals(status));
}
if (mounted) {
final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle);
mStats.externalCacheSize = calculateDirectorySize(mContainerService,
userEnv.buildExternalStorageAppCacheDirs(mStats.packageName));
mStats.externalDataSize = calculateDirectorySize(mContainerService,
userEnv.buildExternalStorageAppDataDirs(mStats.packageName));
// Always subtract cache size, since it's a subdirectory
mStats.externalDataSize -= mStats.externalCacheSize;
mStats.externalMediaSize = calculateDirectorySize(mContainerService,
userEnv.buildExternalStorageAppMediaDirs(mStats.packageName));
mStats.externalObbSize = calculateDirectorySize(mContainerService,
userEnv.buildExternalStorageAppObbDirs(mStats.packageName));
}
}
}
@Override
void handleReturnCode() {
if (mObserver != null) {
try {
mObserver.onGetStatsCompleted(mStats, mSuccess);
} catch (RemoteException e) {
Slog.i(TAG, "Observer no longer exists.");
}
}
}
@Override
void handleServiceError() {
Slog.e(TAG, "Could not measure application " + mStats.packageName
+ " external storage");
}
}
private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths)
throws RemoteException {
long result = 0;
for (File path : paths) {
result += mcs.calculateDirectorySize(path.getAbsolutePath());
}
return result;
}
private static void clearDirectory(IMediaContainerService mcs, File[] paths) {
for (File path : paths) {
try {
mcs.clearDirectory(path.getAbsolutePath());
} catch (RemoteException e) {
}
}
}
static class OriginInfo {
/**
* Location where install is coming from, before it has been
* copied/renamed into place. This could be a single monolithic APK
* file, or a cluster directory. This location may be untrusted.
*/
final File file;
final String cid;
/**
* Flag indicating that {@link #file} or {@link #cid} has already been
* staged, meaning downstream users don't need to defensively copy the
* contents.
*/
final boolean staged;
/**
* Flag indicating that {@link #file} or {@link #cid} is an already
* installed app that is being moved.
*/
final boolean existing;
final String resolvedPath;
final File resolvedFile;
static OriginInfo fromNothing() {
return new OriginInfo(null, null, false, false);
}
static OriginInfo fromUntrustedFile(File file) {
return new OriginInfo(file, null, false, false);
}
static OriginInfo fromExistingFile(File file) {
return new OriginInfo(file, null, false, true);
}
static OriginInfo fromStagedFile(File file) {
return new OriginInfo(file, null, true, false);
}
static OriginInfo fromStagedContainer(String cid) {
return new OriginInfo(null, cid, true, false);
}
private OriginInfo(File file, String cid, boolean staged, boolean existing) {
this.file = file;
this.cid = cid;
this.staged = staged;
this.existing = existing;
if (cid != null) {
resolvedPath = PackageHelper.getSdDir(cid);
resolvedFile = new File(resolvedPath);
} else if (file != null) {
resolvedPath = file.getAbsolutePath();
resolvedFile = file;
} else {
resolvedPath = null;
resolvedFile = null;
}
}
}
class MoveInfo {
final int moveId;
final String fromUuid;
final String toUuid;
final String packageName;
final String dataAppName;
final int appId;
final String seinfo;
public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName,
String dataAppName, int appId, String seinfo) {
this.moveId = moveId;
this.fromUuid = fromUuid;
this.toUuid = toUuid;
this.packageName = packageName;
this.dataAppName = dataAppName;
this.appId = appId;
this.seinfo = seinfo;
}
}
class InstallParams extends HandlerParams {
final OriginInfo origin;
final MoveInfo move;
final IPackageInstallObserver2 observer;
int installFlags;
final String installerPackageName;
final String volumeUuid;
final VerificationParams verificationParams;
private InstallArgs mArgs;
private int mRet;
final String packageAbiOverride;
final String[] grantedRuntimePermissions;
InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer,
int installFlags, String installerPackageName, String volumeUuid,
VerificationParams verificationParams, UserHandle user, String packageAbiOverride,
String[] grantedPermissions) {
super(user);
this.origin = origin;
this.move = move;
this.observer = observer;
this.installFlags = installFlags;
this.installerPackageName = installerPackageName;
this.volumeUuid = volumeUuid;
this.verificationParams = verificationParams;
this.packageAbiOverride = packageAbiOverride;
this.grantedRuntimePermissions = grantedPermissions;
}
@Override
public String toString() {
return "InstallParams{" + Integer.toHexString(System.identityHashCode(this))
+ " file=" + origin.file + " cid=" + origin.cid + "}";
}
public ManifestDigest getManifestDigest() {
if (verificationParams == null) {
return null;
}
return verificationParams.getManifestDigest();
}
private int installLocationPolicy(PackageInfoLite pkgLite) {
String packageName = pkgLite.packageName;
int installLocation = pkgLite.installLocation;
boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
// reader
synchronized (mPackages) {
PackageParser.Package pkg = mPackages.get(packageName);
if (pkg != null) {
if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
// Check for downgrading.
if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) {
try {
checkDowngrade(pkg, pkgLite);
} catch (PackageManagerException e) {
Slog.w(TAG, "Downgrade detected: " + e.getMessage());
return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE;
}
}
// Check for updated system application.
if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
if (onSd) {
Slog.w(TAG, "Cannot install update to system app on sdcard");
return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION;
}
return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
} else {
if (onSd) {
// Install flag overrides everything.
return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
}
// If current upgrade specifies particular preference
if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) {
// Application explicitly specified internal.
return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
} else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) {
// App explictly prefers external. Let policy decide
} else {
// Prefer previous location
if (isExternal(pkg)) {
return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
}
return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
}
}
} else {
// Invalid install. Return error code
return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS;
}
}
}
// All the special cases have been taken care of.
// Return result based on recommended install location.
if (onSd) {
return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
}
return pkgLite.recommendedInstallLocation;
}
/*
* Invoke remote method to get package information and install
* location values. Override install location based on default
* policy if needed and then create install arguments based
* on the install location.
*/
public void handleStartCopy() throws RemoteException {
int ret = PackageManager.INSTALL_SUCCEEDED;
// If we're already staged, we've firmly committed to an install location
if (origin.staged) {
if (origin.file != null) {
installFlags |= PackageManager.INSTALL_INTERNAL;
installFlags &= ~PackageManager.INSTALL_EXTERNAL;
} else if (origin.cid != null) {
installFlags |= PackageManager.INSTALL_EXTERNAL;
installFlags &= ~PackageManager.INSTALL_INTERNAL;
} else {
throw new IllegalStateException("Invalid stage location");
}
}
final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0;
PackageInfoLite pkgLite = null;
if (onInt && onSd) {
// Check if both bits are set.
Slog.w(TAG, "Conflicting flags specified for installing on both internal and external");
ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
} else {
pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags,
packageAbiOverride);
/*
* If we have too little free space, try to free cache
* before giving up.
*/
if (!origin.staged && pkgLite.recommendedInstallLocation
== PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
// TODO: focus freeing disk space on the target device
final StorageManager storage = StorageManager.from(mContext);
final long lowThreshold = storage.getStorageLowBytes(
Environment.getDataDirectory());
final long sizeBytes = mContainerService.calculateInstalledSize(
origin.resolvedPath, isForwardLocked(), packageAbiOverride);
if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) {
pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath,
installFlags, packageAbiOverride);
}
/*
* The cache free must have deleted the file we
* downloaded to install.
*
* TODO: fix the "freeCache" call to not delete
* the file we care about.
*/
if (pkgLite.recommendedInstallLocation
== PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
pkgLite.recommendedInstallLocation
= PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE;
}
}
}
if (ret == PackageManager.INSTALL_SUCCEEDED) {
int loc = pkgLite.recommendedInstallLocation;
if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) {
ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
} else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) {
ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
} else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
} else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) {
ret = PackageManager.INSTALL_FAILED_INVALID_APK;
} else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
ret = PackageManager.INSTALL_FAILED_INVALID_URI;
} else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) {
ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE;
} else {
// Override with defaults if needed.
loc = installLocationPolicy(pkgLite);
if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) {
ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE;
} else if (!onSd && !onInt) {
// Override install location with flags
if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) {
// Set the flag to install on external media.
installFlags |= PackageManager.INSTALL_EXTERNAL;
installFlags &= ~PackageManager.INSTALL_INTERNAL;
} else {
// Make sure the flag for installing on external
// media is unset
installFlags |= PackageManager.INSTALL_INTERNAL;
installFlags &= ~PackageManager.INSTALL_EXTERNAL;
}
}
}
}
final InstallArgs args = createInstallArgs(this);
mArgs = args;
if (ret == PackageManager.INSTALL_SUCCEEDED) {
/*
* ADB installs appear as UserHandle.USER_ALL, and can only be performed by
* UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER.
*/
int userIdentifier = getUser().getIdentifier();
if (userIdentifier == UserHandle.USER_ALL
&& ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) {
userIdentifier = UserHandle.USER_OWNER;
}
/*
* Determine if we have any installed package verifiers. If we
* do, then we'll defer to them to verify the packages.
*/
final int requiredUid = mRequiredVerifierPackage == null ? -1
: getPackageUid(mRequiredVerifierPackage, userIdentifier);
if (!origin.existing && requiredUid != -1
&& isVerificationEnabled(userIdentifier, installFlags)) {
final Intent verification = new Intent(
Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)),
PACKAGE_MIME_TYPE);
verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
final List<ResolveInfo> receivers = queryIntentReceivers(verification,
PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS,
0 /* TODO: Which userId? */);
if (DEBUG_VERIFY) {
Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent "
+ verification.toString() + " with " + pkgLite.verifiers.length
+ " optional verifiers");
}
final int verificationId = mPendingVerificationToken++;
verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE,
installerPackageName);
verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS,
installFlags);
verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME,
pkgLite.packageName);
verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE,
pkgLite.versionCode);
if (verificationParams != null) {
if (verificationParams.getVerificationURI() != null) {
verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI,
verificationParams.getVerificationURI());
}
if (verificationParams.getOriginatingURI() != null) {
verification.putExtra(Intent.EXTRA_ORIGINATING_URI,
verificationParams.getOriginatingURI());
}
if (verificationParams.getReferrer() != null) {
verification.putExtra(Intent.EXTRA_REFERRER,
verificationParams.getReferrer());
}
if (verificationParams.getOriginatingUid() >= 0) {
verification.putExtra(Intent.EXTRA_ORIGINATING_UID,
verificationParams.getOriginatingUid());
}
if (verificationParams.getInstallerUid() >= 0) {
verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID,
verificationParams.getInstallerUid());
}
}
final PackageVerificationState verificationState = new PackageVerificationState(
requiredUid, args);
mPendingVerification.append(verificationId, verificationState);
final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite,
receivers, verificationState);
// Apps installed for "all" users use the device owner to verify the app
UserHandle verifierUser = getUser();
if (verifierUser == UserHandle.ALL) {
verifierUser = UserHandle.OWNER;
}
/*
* If any sufficient verifiers were listed in the package
* manifest, attempt to ask them.
*/
if (sufficientVerifiers != null) {
final int N = sufficientVerifiers.size();
if (N == 0) {
Slog.i(TAG, "Additional verifiers required, but none installed.");
ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
} else {
for (int i = 0; i < N; i++) {
final ComponentName verifierComponent = sufficientVerifiers.get(i);
final Intent sufficientIntent = new Intent(verification);
sufficientIntent.setComponent(verifierComponent);
mContext.sendBroadcastAsUser(sufficientIntent, verifierUser);
}
}
}
final ComponentName requiredVerifierComponent = matchComponentForVerifier(
mRequiredVerifierPackage, receivers);
if (ret == PackageManager.INSTALL_SUCCEEDED
&& mRequiredVerifierPackage != null) {
/*
* Send the intent to the required verification agent,
* but only start the verification timeout after the
* target BroadcastReceivers have run.
*/
verification.setComponent(requiredVerifierComponent);
mContext.sendOrderedBroadcastAsUser(verification, verifierUser,
android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
final Message msg = mHandler
.obtainMessage(CHECK_PENDING_VERIFICATION);
msg.arg1 = verificationId;
mHandler.sendMessageDelayed(msg, getVerificationTimeout());
}
}, null, 0, null, null);
/*
* We don't want the copy to proceed until verification
* succeeds, so null out this field.
*/
mArgs = null;
}
} else {
/*
* No package verification is enabled, so immediately start
* the remote call to initiate copy using temporary file.
*/
ret = args.copyApk(mContainerService, true);
}
}
mRet = ret;
}
@Override
void handleReturnCode() {
// If mArgs is null, then MCS couldn't be reached. When it
// reconnects, it will try again to install. At that point, this
// will succeed.
if (mArgs != null) {
processPendingInstall(mArgs, mRet);
}
}
@Override
void handleServiceError() {
mArgs = createInstallArgs(this);
mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
}
public boolean isForwardLocked() {
return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
}
}
/**
* Used during creation of InstallArgs
*
* @param installFlags package installation flags
* @return true if should be installed on external storage
*/
private static boolean installOnExternalAsec(int installFlags) {
if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) {
return false;
}
if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) {
return true;
}
return false;
}
/**
* Used during creation of InstallArgs
*
* @param installFlags package installation flags
* @return true if should be installed as forward locked
*/
private static boolean installForwardLocked(int installFlags) {
return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
}
private InstallArgs createInstallArgs(InstallParams params) {
if (params.move != null) {
return new MoveInstallArgs(params);
} else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) {
return new AsecInstallArgs(params);
} else {
return new FileInstallArgs(params);
}
}
/**
* Create args that describe an existing installed package. Typically used
* when cleaning up old installs, or used as a move source.
*/
private InstallArgs createInstallArgsForExisting(int installFlags, String codePath,
String resourcePath, String[] instructionSets) {
final boolean isInAsec;
if (installOnExternalAsec(installFlags)) {
/* Apps on SD card are always in ASEC containers. */
isInAsec = true;
} else if (installForwardLocked(installFlags)
&& !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) {
/*
* Forward-locked apps are only in ASEC containers if they're the
* new style
*/
isInAsec = true;
} else {
isInAsec = false;
}
if (isInAsec) {
return new AsecInstallArgs(codePath, instructionSets,
installOnExternalAsec(installFlags), installForwardLocked(installFlags));
} else {
return new FileInstallArgs(codePath, resourcePath, instructionSets);
}
}
static abstract class InstallArgs {
/** @see InstallParams#origin */
final OriginInfo origin;
/** @see InstallParams#move */
final MoveInfo move;
final IPackageInstallObserver2 observer;
// Always refers to PackageManager flags only
final int installFlags;
final String installerPackageName;
final String volumeUuid;
final ManifestDigest manifestDigest;
final UserHandle user;
final String abiOverride;
final String[] installGrantPermissions;
// The list of instruction sets supported by this app. This is currently
// only used during the rmdex() phase to clean up resources. We can get rid of this
// if we move dex files under the common app path.
/* nullable */ String[] instructionSets;
InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer,
int installFlags, String installerPackageName, String volumeUuid,
ManifestDigest manifestDigest, UserHandle user, String[] instructionSets,
String abiOverride, String[] installGrantPermissions) {
this.origin = origin;
this.move = move;
this.installFlags = installFlags;
this.observer = observer;
this.installerPackageName = installerPackageName;
this.volumeUuid = volumeUuid;
this.manifestDigest = manifestDigest;
this.user = user;
this.instructionSets = instructionSets;
this.abiOverride = abiOverride;
this.installGrantPermissions = installGrantPermissions;
}
abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException;
abstract int doPreInstall(int status);
/**
* Rename package into final resting place. All paths on the given
* scanned package should be updated to reflect the rename.
*/
abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath);
abstract int doPostInstall(int status, int uid);
/** @see PackageSettingBase#codePathString */
abstract String getCodePath();
/** @see PackageSettingBase#resourcePathString */
abstract String getResourcePath();
// Need installer lock especially for dex file removal.
abstract void cleanUpResourcesLI();
abstract boolean doPostDeleteLI(boolean delete);
/**
* Called before the source arguments are copied. This is used mostly
* for MoveParams when it needs to read the source file to put it in the
* destination.
*/
int doPreCopy() {
return PackageManager.INSTALL_SUCCEEDED;
}
/**
* Called after the source arguments are copied. This is used mostly for
* MoveParams when it needs to read the source file to put it in the
* destination.
*
* @return
*/
int doPostCopy(int uid) {
return PackageManager.INSTALL_SUCCEEDED;
}
protected boolean isFwdLocked() {
return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
}
protected boolean isExternalAsec() {
return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
}
UserHandle getUser() {
return user;
}
}
private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) {
if (!allCodePaths.isEmpty()) {
if (instructionSets == null) {
throw new IllegalStateException("instructionSet == null");
}
String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets);
for (String codePath : allCodePaths) {
for (String dexCodeInstructionSet : dexCodeInstructionSets) {
int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet);
if (retCode < 0) {
Slog.w(TAG, "Couldn't remove dex file for package: "
+ " at location " + codePath + ", retcode=" + retCode);
// we don't consider this to be a failure of the core package deletion
}
}
}
}
}
/**
* Logic to handle installation of non-ASEC applications, including copying
* and renaming logic.
*/
class FileInstallArgs extends InstallArgs {
private File codeFile;
private File resourceFile;
// Example topology:
// /data/app/com.example/base.apk
// /data/app/com.example/split_foo.apk
// /data/app/com.example/lib/arm/libfoo.so
// /data/app/com.example/lib/arm64/libfoo.so
// /data/app/com.example/dalvik/arm/base.apk@classes.dex
/** New install */
FileInstallArgs(InstallParams params) {
super(params.origin, params.move, params.observer, params.installFlags,
params.installerPackageName, params.volumeUuid, params.getManifestDigest(),
params.getUser(), null /* instruction sets */, params.packageAbiOverride,
params.grantedRuntimePermissions);
if (isFwdLocked()) {
throw new IllegalArgumentException("Forward locking only supported in ASEC");
}
}
/** Existing install */
FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) {
super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets,
null, null);
this.codeFile = (codePath != null) ? new File(codePath) : null;
this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null;
}
int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
if (origin.staged) {
if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy");
codeFile = origin.file;
resourceFile = origin.file;
return PackageManager.INSTALL_SUCCEEDED;
}
try {
final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid);
codeFile = tempDir;
resourceFile = tempDir;
} catch (IOException e) {
Slog.w(TAG, "Failed to create copy file: " + e);
return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
}
final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() {
@Override
public ParcelFileDescriptor open(String name, int mode) throws RemoteException {
if (!FileUtils.isValidExtFilename(name)) {
throw new IllegalArgumentException("Invalid filename: " + name);
}
try {
final File file = new File(codeFile, name);
final FileDescriptor fd = Os.open(file.getAbsolutePath(),
O_RDWR | O_CREAT, 0644);
Os.chmod(file.getAbsolutePath(), 0644);
return new ParcelFileDescriptor(fd);
} catch (ErrnoException e) {
throw new RemoteException("Failed to open: " + e.getMessage());
}
}
};
int ret = PackageManager.INSTALL_SUCCEEDED;
ret = imcs.copyPackage(origin.file.getAbsolutePath(), target);
if (ret != PackageManager.INSTALL_SUCCEEDED) {
Slog.e(TAG, "Failed to copy package");
return ret;
}
final File libraryRoot = new File(codeFile, LIB_DIR_NAME);
NativeLibraryHelper.Handle handle = null;
try {
handle = NativeLibraryHelper.Handle.create(codeFile);
ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot,
abiOverride);
} catch (IOException e) {
Slog.e(TAG, "Copying native libraries failed", e);
ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
} finally {
IoUtils.closeQuietly(handle);
}
return ret;
}
int doPreInstall(int status) {
if (status != PackageManager.INSTALL_SUCCEEDED) {
cleanUp();
}
return status;
}
boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
if (status != PackageManager.INSTALL_SUCCEEDED) {
cleanUp();
return false;
}
final File targetDir = codeFile.getParentFile();
final File beforeCodeFile = codeFile;
final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName);
if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile);
try {
Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath());
} catch (ErrnoException e) {
Slog.w(TAG, "Failed to rename", e);
return false;
}
if (!SELinux.restoreconRecursive(afterCodeFile)) {
Slog.w(TAG, "Failed to restorecon");
return false;
}
// Reflect the rename internally
codeFile = afterCodeFile;
resourceFile = afterCodeFile;
// Reflect the rename in scanned details
pkg.codePath = afterCodeFile.getAbsolutePath();
pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
pkg.baseCodePath);
pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
pkg.splitCodePaths);
// Reflect the rename in app info
pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
pkg.applicationInfo.setCodePath(pkg.codePath);
pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
pkg.applicationInfo.setResourcePath(pkg.codePath);
pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
return true;
}
int doPostInstall(int status, int uid) {
if (status != PackageManager.INSTALL_SUCCEEDED) {
cleanUp();
}
return status;
}
@Override
String getCodePath() {
return (codeFile != null) ? codeFile.getAbsolutePath() : null;
}
@Override
String getResourcePath() {
return (resourceFile != null) ? resourceFile.getAbsolutePath() : null;
}
private boolean cleanUp() {
if (codeFile == null || !codeFile.exists()) {
return false;
}
if (codeFile.isDirectory()) {
mInstaller.rmPackageDir(codeFile.getAbsolutePath());
} else {
codeFile.delete();
}
if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) {
resourceFile.delete();
}
return true;
}
void cleanUpResourcesLI() {
// Try enumerating all code paths before deleting
List<String> allCodePaths = Collections.EMPTY_LIST;
if (codeFile != null && codeFile.exists()) {
try {
final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0);
allCodePaths = pkg.getAllCodePaths();
} catch (PackageParserException e) {
// Ignored; we tried our best
}
}
cleanUp();
removeDexFiles(allCodePaths, instructionSets);
}
boolean doPostDeleteLI(boolean delete) {
// XXX err, shouldn't we respect the delete flag?
cleanUpResourcesLI();
return true;
}
}
private boolean isAsecExternal(String cid) {
final String asecPath = PackageHelper.getSdFilesystem(cid);
return !asecPath.startsWith(mAsecInternalPath);
}
private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws
PackageManagerException {
if (copyRet < 0) {
if (copyRet != PackageManager.NO_NATIVE_LIBRARIES &&
copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) {
throw new PackageManagerException(copyRet, message);
}
}
}
/**
* Extract the MountService "container ID" from the full code path of an
* .apk.
*/
static String cidFromCodePath(String fullCodePath) {
int eidx = fullCodePath.lastIndexOf("/");
String subStr1 = fullCodePath.substring(0, eidx);
int sidx = subStr1.lastIndexOf("/");
return subStr1.substring(sidx+1, eidx);
}
/**
* Logic to handle installation of ASEC applications, including copying and
* renaming logic.
*/
class AsecInstallArgs extends InstallArgs {
static final String RES_FILE_NAME = "pkg.apk";
static final String PUBLIC_RES_FILE_NAME = "res.zip";
String cid;
String packagePath;
String resourcePath;
/** New install */
AsecInstallArgs(InstallParams params) {
super(params.origin, params.move, params.observer, params.installFlags,
params.installerPackageName, params.volumeUuid, params.getManifestDigest(),
params.getUser(), null /* instruction sets */, params.packageAbiOverride,
params.grantedRuntimePermissions);
}
/** Existing install */
AsecInstallArgs(String fullCodePath, String[] instructionSets,
boolean isExternal, boolean isForwardLocked) {
super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0)
| (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null,
instructionSets, null, null);
// Hackily pretend we're still looking at a full code path
if (!fullCodePath.endsWith(RES_FILE_NAME)) {
fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath();
}
// Extract cid from fullCodePath
int eidx = fullCodePath.lastIndexOf("/");
String subStr1 = fullCodePath.substring(0, eidx);
int sidx = subStr1.lastIndexOf("/");
cid = subStr1.substring(sidx+1, eidx);
setMountPath(subStr1);
}
AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) {
super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0)
| (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null,
instructionSets, null, null);
this.cid = cid;
setMountPath(PackageHelper.getSdDir(cid));
}
void createCopyFile() {
cid = mInstallerService.allocateExternalStageCidLegacy();
}
int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
if (origin.staged) {
if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy");
cid = origin.cid;
setMountPath(PackageHelper.getSdDir(cid));
return PackageManager.INSTALL_SUCCEEDED;
}
if (temp) {
createCopyFile();
} else {
/*
* Pre-emptively destroy the container since it's destroyed if
* copying fails due to it existing anyway.
*/
PackageHelper.destroySdDir(cid);
}
final String newMountPath = imcs.copyPackageToContainer(
origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(),
isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */));
if (newMountPath != null) {
setMountPath(newMountPath);
return PackageManager.INSTALL_SUCCEEDED;
} else {
return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
}
}
@Override
String getCodePath() {
return packagePath;
}
@Override
String getResourcePath() {
return resourcePath;
}
int doPreInstall(int status) {
if (status != PackageManager.INSTALL_SUCCEEDED) {
// Destroy container
PackageHelper.destroySdDir(cid);
} else {
boolean mounted = PackageHelper.isContainerMounted(cid);
if (!mounted) {
String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(),
Process.SYSTEM_UID);
if (newMountPath != null) {
setMountPath(newMountPath);
} else {
return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
}
}
}
return status;
}
boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME);
String newMountPath = null;
if (PackageHelper.isContainerMounted(cid)) {
// Unmount the container
if (!PackageHelper.unMountSdDir(cid)) {
Slog.i(TAG, "Failed to unmount " + cid + " before renaming");
return false;
}
}
if (!PackageHelper.renameSdDir(cid, newCacheId)) {
Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId +
" which might be stale. Will try to clean up.");
// Clean up the stale container and proceed to recreate.
if (!PackageHelper.destroySdDir(newCacheId)) {
Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId);
return false;
}
// Successfully cleaned up stale container. Try to rename again.
if (!PackageHelper.renameSdDir(cid, newCacheId)) {
Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId
+ " inspite of cleaning it up.");
return false;
}
}
if (!PackageHelper.isContainerMounted(newCacheId)) {
Slog.w(TAG, "Mounting container " + newCacheId);
newMountPath = PackageHelper.mountSdDir(newCacheId,
getEncryptKey(), Process.SYSTEM_UID);
} else {
newMountPath = PackageHelper.getSdDir(newCacheId);
}
if (newMountPath == null) {
Slog.w(TAG, "Failed to get cache path for " + newCacheId);
return false;
}
Log.i(TAG, "Succesfully renamed " + cid +
" to " + newCacheId +
" at new path: " + newMountPath);
cid = newCacheId;
final File beforeCodeFile = new File(packagePath);
setMountPath(newMountPath);
final File afterCodeFile = new File(packagePath);
// Reflect the rename in scanned details
pkg.codePath = afterCodeFile.getAbsolutePath();
pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
pkg.baseCodePath);
pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
pkg.splitCodePaths);
// Reflect the rename in app info
pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
pkg.applicationInfo.setCodePath(pkg.codePath);
pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
pkg.applicationInfo.setResourcePath(pkg.codePath);
pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
return true;
}
private void setMountPath(String mountPath) {
final File mountFile = new File(mountPath);
final File monolithicFile = new File(mountFile, RES_FILE_NAME);
if (monolithicFile.exists()) {
packagePath = monolithicFile.getAbsolutePath();
if (isFwdLocked()) {
resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath();
} else {
resourcePath = packagePath;
}
} else {
packagePath = mountFile.getAbsolutePath();
resourcePath = packagePath;
}
}
int doPostInstall(int status, int uid) {
if (status != PackageManager.INSTALL_SUCCEEDED) {
cleanUp();
} else {
final int groupOwner;
final String protectedFile;
if (isFwdLocked()) {
groupOwner = UserHandle.getSharedAppGid(uid);
protectedFile = RES_FILE_NAME;
} else {
groupOwner = -1;
protectedFile = null;
}
if (uid < Process.FIRST_APPLICATION_UID
|| !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) {
Slog.e(TAG, "Failed to finalize " + cid);
PackageHelper.destroySdDir(cid);
return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
}
boolean mounted = PackageHelper.isContainerMounted(cid);
if (!mounted) {
PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid());
}
}
return status;
}
private void cleanUp() {
if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp");
// Destroy secure container
PackageHelper.destroySdDir(cid);
}
private List<String> getAllCodePaths() {
final File codeFile = new File(getCodePath());
if (codeFile != null && codeFile.exists()) {
try {
final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0);
return pkg.getAllCodePaths();
} catch (PackageParserException e) {
// Ignored; we tried our best
}
}
return Collections.EMPTY_LIST;
}
void cleanUpResourcesLI() {
// Enumerate all code paths before deleting
cleanUpResourcesLI(getAllCodePaths());
}
private void cleanUpResourcesLI(List<String> allCodePaths) {
cleanUp();
removeDexFiles(allCodePaths, instructionSets);
}
String getPackageName() {
return getAsecPackageName(cid);
}
boolean doPostDeleteLI(boolean delete) {
if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete);
final List<String> allCodePaths = getAllCodePaths();
boolean mounted = PackageHelper.isContainerMounted(cid);
if (mounted) {
// Unmount first
if (PackageHelper.unMountSdDir(cid)) {
mounted = false;
}
}
if (!mounted && delete) {
cleanUpResourcesLI(allCodePaths);
}
return !mounted;
}
@Override
int doPreCopy() {
if (isFwdLocked()) {
if (!PackageHelper.fixSdPermissions(cid,
getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) {
return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
}
}
return PackageManager.INSTALL_SUCCEEDED;
}
@Override
int doPostCopy(int uid) {
if (isFwdLocked()) {
if (uid < Process.FIRST_APPLICATION_UID
|| !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid),
RES_FILE_NAME)) {
Slog.e(TAG, "Failed to finalize " + cid);
PackageHelper.destroySdDir(cid);
return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
}
}
return PackageManager.INSTALL_SUCCEEDED;
}
}
/**
* Logic to handle movement of existing installed applications.
*/
class MoveInstallArgs extends InstallArgs {
private File codeFile;
private File resourceFile;
/** New install */
MoveInstallArgs(InstallParams params) {
super(params.origin, params.move, params.observer, params.installFlags,
params.installerPackageName, params.volumeUuid, params.getManifestDigest(),
params.getUser(), null /* instruction sets */, params.packageAbiOverride,
params.grantedRuntimePermissions);
}
int copyApk(IMediaContainerService imcs, boolean temp) {
if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from "
+ move.fromUuid + " to " + move.toUuid);
synchronized (mInstaller) {
if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName,
move.dataAppName, move.appId, move.seinfo) != 0) {
return PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
}
}
codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName);
resourceFile = codeFile;
if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile);
return PackageManager.INSTALL_SUCCEEDED;
}
int doPreInstall(int status) {
if (status != PackageManager.INSTALL_SUCCEEDED) {
cleanUp(move.toUuid);
}
return status;
}
boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
if (status != PackageManager.INSTALL_SUCCEEDED) {
cleanUp(move.toUuid);
return false;
}
// Reflect the move in app info
pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
pkg.applicationInfo.setCodePath(pkg.codePath);
pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
pkg.applicationInfo.setResourcePath(pkg.codePath);
pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
return true;
}
int doPostInstall(int status, int uid) {
if (status == PackageManager.INSTALL_SUCCEEDED) {
cleanUp(move.fromUuid);
} else {
cleanUp(move.toUuid);
}
return status;
}
@Override
String getCodePath() {
return (codeFile != null) ? codeFile.getAbsolutePath() : null;
}
@Override
String getResourcePath() {
return (resourceFile != null) ? resourceFile.getAbsolutePath() : null;
}
private boolean cleanUp(String volumeUuid) {
final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid),
move.dataAppName);
Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid);
synchronized (mInstallLock) {
// Clean up both app data and code
removeDataDirsLI(volumeUuid, move.packageName);
if (codeFile.isDirectory()) {
mInstaller.rmPackageDir(codeFile.getAbsolutePath());
} else {
codeFile.delete();
}
}
return true;
}
void cleanUpResourcesLI() {
throw new UnsupportedOperationException();
}
boolean doPostDeleteLI(boolean delete) {
throw new UnsupportedOperationException();
}
}
static String getAsecPackageName(String packageCid) {
int idx = packageCid.lastIndexOf("-");
if (idx == -1) {
return packageCid;
}
return packageCid.substring(0, idx);
}
// Utility method used to create code paths based on package name and available index.
private static String getNextCodePath(String oldCodePath, String prefix, String suffix) {
String idxStr = "";
int idx = 1;
// Fall back to default value of idx=1 if prefix is not
// part of oldCodePath
if (oldCodePath != null) {
String subStr = oldCodePath;
// Drop the suffix right away
if (suffix != null && subStr.endsWith(suffix)) {
subStr = subStr.substring(0, subStr.length() - suffix.length());
}
// If oldCodePath already contains prefix find out the
// ending index to either increment or decrement.
int sidx = subStr.lastIndexOf(prefix);
if (sidx != -1) {
subStr = subStr.substring(sidx + prefix.length());
if (subStr != null) {
if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) {
subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length());
}
try {
idx = Integer.parseInt(subStr);
if (idx <= 1) {
idx++;
} else {
idx--;
}
} catch(NumberFormatException e) {
}
}
}
}
idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx);
return prefix + idxStr;
}
private File getNextCodePath(File targetDir, String packageName) {
int suffix = 1;
File result;
do {
result = new File(targetDir, packageName + "-" + suffix);
suffix++;
} while (result.exists());
return result;
}
// Utility method that returns the relative package path with respect
// to the installation directory. Like say for /data/data/com.test-1.apk
// string com.test-1 is returned.
static String deriveCodePathName(String codePath) {
if (codePath == null) {
return null;
}
final File codeFile = new File(codePath);
final String name = codeFile.getName();
if (codeFile.isDirectory()) {
return name;
} else if (name.endsWith(".apk") || name.endsWith(".tmp")) {
final int lastDot = name.lastIndexOf('.');
return name.substring(0, lastDot);
} else {
Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK");
return null;
}
}
class PackageInstalledInfo {
String name;
int uid;
// The set of users that originally had this package installed.
int[] origUsers;
// The set of users that now have this package installed.
int[] newUsers;
PackageParser.Package pkg;
int returnCode;
String returnMsg;
PackageRemovedInfo removedInfo;
public void setError(int code, String msg) {
returnCode = code;
returnMsg = msg;
Slog.w(TAG, msg);
}
public void setError(String msg, PackageParserException e) {
returnCode = e.error;
returnMsg = ExceptionUtils.getCompleteMessage(msg, e);
Slog.w(TAG, msg, e);
}
public void setError(String msg, PackageManagerException e) {
returnCode = e.error;
returnMsg = ExceptionUtils.getCompleteMessage(msg, e);
Slog.w(TAG, msg, e);
}
// In some error cases we want to convey more info back to the observer
String origPackage;
String origPermission;
}
/*
* Install a non-existing package.
*/
private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags,
UserHandle user, String installerPackageName, String volumeUuid,
PackageInstalledInfo res) {
// Remember this for later, in case we need to rollback this install
String pkgName = pkg.packageName;
if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg);
final boolean dataDirExists = Environment
.getDataUserPackageDirectory(volumeUuid, UserHandle.USER_OWNER, pkgName).exists();
synchronized(mPackages) {
if (mSettings.mRenamedPackages.containsKey(pkgName)) {
// A package with the same name is already installed, though
// it has been renamed to an older name. The package we
// are trying to install should be installed as an update to
// the existing one, but that has not been requested, so bail.
res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
+ " without first uninstalling package running as "
+ mSettings.mRenamedPackages.get(pkgName));
return;
}
if (mPackages.containsKey(pkgName)) {
// Don't allow installation over an existing package with the same name.
res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
+ " without first uninstalling.");
return;
}
}
try {
PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags,
System.currentTimeMillis(), user);
updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user);
// delete the partially installed application. the data directory will have to be
// restored if it was already existing
if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
// remove package from internal structures. Note that we want deletePackageX to
// delete the package data and cache directories that it created in
// scanPackageLocked, unless those directories existed before we even tried to
// install.
deletePackageLI(pkgName, UserHandle.ALL, false, null, null,
dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0,
res.removedInfo, true);
}
} catch (PackageManagerException e) {
res.setError("Package couldn't be installed in " + pkg.codePath, e);
}
}
private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) {
// Can't rotate keys during boot or if sharedUser.
if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null
|| !oldPs.keySetData.isUsingUpgradeKeySets()) {
return false;
}
// app is using upgradeKeySets; make sure all are valid
KeySetManagerService ksms = mSettings.mKeySetManagerService;
long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets();
for (int i = 0; i < upgradeKeySets.length; i++) {
if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) {
Slog.wtf(TAG, "Package "
+ (oldPs.name != null ? oldPs.name : "<null>")
+ " contains upgrade-key-set reference to unknown key-set: "
+ upgradeKeySets[i]
+ " reverting to signatures check.");
return false;
}
}
return true;
}
private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) {
// Upgrade keysets are being used. Determine if new package has a superset of the
// required keys.
long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets();
KeySetManagerService ksms = mSettings.mKeySetManagerService;
for (int i = 0; i < upgradeKeySets.length; i++) {
Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]);
if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) {
return true;
}
}
return false;
}
private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags,
UserHandle user, String installerPackageName, String volumeUuid,
PackageInstalledInfo res) {
final PackageParser.Package oldPackage;
final String pkgName = pkg.packageName;
final int[] allUsers;
final boolean[] perUserInstalled;
// First find the old package info and check signatures
synchronized(mPackages) {
oldPackage = mPackages.get(pkgName);
if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage);
final PackageSetting ps = mSettings.mPackages.get(pkgName);
if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) {
if(!checkUpgradeKeySetLP(ps, pkg)) {
res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
"New package not signed by keys specified by upgrade-keysets: "
+ pkgName);
return;
}
} else {
// default to original signature matching
if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures)
!= PackageManager.SIGNATURE_MATCH) {
res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
"New package has a different signature: " + pkgName);
return;
}
}
// In case of rollback, remember per-user/profile install state
allUsers = sUserManager.getUserIds();
perUserInstalled = new boolean[allUsers.length];
for (int i = 0; i < allUsers.length; i++) {
perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
}
}
boolean sysPkg = (isSystemApp(oldPackage));
if (sysPkg) {
replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags,
user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res);
} else {
replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags,
user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res);
}
}
private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage,
PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user,
int[] allUsers, boolean[] perUserInstalled, String installerPackageName,
String volumeUuid, PackageInstalledInfo res) {
String pkgName = deletedPackage.packageName;
boolean deletedPkg = true;
boolean updatedSettings = false;
if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old="
+ deletedPackage);
long origUpdateTime;
if (pkg.mExtras != null) {
origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime;
} else {
origUpdateTime = 0;
}
// First delete the existing package while retaining the data directory
if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA,
res.removedInfo, true)) {
// If the existing package wasn't successfully deleted
res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI");
deletedPkg = false;
} else {
// Successfully deleted the old package; proceed with replace.
// If deleted package lived in a container, give users a chance to
// relinquish resources before killing.
if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) {
if (DEBUG_INSTALL) {
Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE");
}
final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid };
final ArrayList<String> pkgList = new ArrayList<String>(1);
pkgList.add(deletedPackage.applicationInfo.packageName);
sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null);
}
deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName);
try {
final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags,
scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user);
updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers,
perUserInstalled, res, user);
updatedSettings = true;
} catch (PackageManagerException e) {
res.setError("Package couldn't be installed in " + pkg.codePath, e);
}
}
if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
// remove package from internal structures. Note that we want deletePackageX to
// delete the package data and cache directories that it created in
// scanPackageLocked, unless those directories existed before we even tried to
// install.
if(updatedSettings) {
if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName);
deletePackageLI(
pkgName, null, true, allUsers, perUserInstalled,
PackageManager.DELETE_KEEP_DATA,
res.removedInfo, true);
}
// Since we failed to install the new package we need to restore the old
// package that we deleted.
if (deletedPkg) {
if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage);
File restoreFile = new File(deletedPackage.codePath);
// Parse old package
boolean oldExternal = isExternal(deletedPackage);
int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY |
(deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) |
(oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0);
int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME;
try {
scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null);
} catch (PackageManagerException e) {
Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: "
+ e.getMessage());
return;
}
// Restore of old package succeeded. Update permissions.
// writer
synchronized (mPackages) {
updatePermissionsLPw(deletedPackage.packageName, deletedPackage,
UPDATE_PERMISSIONS_ALL);
// can downgrade to reader
mSettings.writeLPr();
}
Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade");
}
}
}
private void replaceSystemPackageLI(PackageParser.Package deletedPackage,
PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user,
int[] allUsers, boolean[] perUserInstalled, String installerPackageName,
String volumeUuid, PackageInstalledInfo res) {
if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg
+ ", old=" + deletedPackage);
boolean disabledSystem = false;
boolean updatedSettings = false;
parseFlags |= PackageParser.PARSE_IS_SYSTEM;
if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED)
!= 0) {
parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
}
String packageName = deletedPackage.packageName;
if (packageName == null) {
res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
"Attempt to delete null packageName.");
return;
}
PackageParser.Package oldPkg;
PackageSetting oldPkgSetting;
// reader
synchronized (mPackages) {
oldPkg = mPackages.get(packageName);
oldPkgSetting = mSettings.mPackages.get(packageName);
if((oldPkg == null) || (oldPkg.applicationInfo == null) ||
(oldPkgSetting == null)) {
res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
"Couldn't find package:" + packageName + " information");
return;
}
}
killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg");
res.removedInfo.uid = oldPkg.applicationInfo.uid;
res.removedInfo.removedPackage = packageName;
// Remove existing system package
removePackageLI(oldPkgSetting, true);
// writer
synchronized (mPackages) {
disabledSystem = mSettings.disableSystemPackageLPw(packageName);
if (!disabledSystem && deletedPackage != null) {
// We didn't need to disable the .apk as a current system package,
// which means we are replacing another update that is already
// installed. We need to make sure to delete the older one's .apk.
res.removedInfo.args = createInstallArgsForExisting(0,
deletedPackage.applicationInfo.getCodePath(),
deletedPackage.applicationInfo.getResourcePath(),
getAppDexInstructionSets(deletedPackage.applicationInfo));
} else {
res.removedInfo.args = null;
}
}
// Successfully disabled the old package. Now proceed with re-installation
deleteCodeCacheDirsLI(pkg.volumeUuid, packageName);
res.returnCode = PackageManager.INSTALL_SUCCEEDED;
pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
PackageParser.Package newPackage = null;
try {
newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user);
if (newPackage.mExtras != null) {
final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras;
newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime;
newPkgSetting.lastUpdateTime = System.currentTimeMillis();
// is the update attempting to change shared user? that isn't going to work...
if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) {
res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
"Forbidding shared user change from " + oldPkgSetting.sharedUser
+ " to " + newPkgSetting.sharedUser);
updatedSettings = true;
}
}
if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers,
perUserInstalled, res, user);
updatedSettings = true;
}
} catch (PackageManagerException e) {
res.setError("Package couldn't be installed in " + pkg.codePath, e);
}
if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
// Re installation failed. Restore old information
// Remove new pkg information
if (newPackage != null) {
removeInstalledPackageLI(newPackage, true);
}
// Add back the old system package
try {
scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user);
} catch (PackageManagerException e) {
Slog.e(TAG, "Failed to restore original package: " + e.getMessage());
}
// Restore the old system information in Settings
synchronized (mPackages) {
if (disabledSystem) {
mSettings.enableSystemPackageLPw(packageName);
}
if (updatedSettings) {
mSettings.setInstallerPackageName(packageName,
oldPkgSetting.installerPackageName);
}
mSettings.writeLPr();
}
}
}
private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) {
// Collect all used permissions in the UID
ArraySet<String> usedPermissions = new ArraySet<>();
final int packageCount = su.packages.size();
for (int i = 0; i < packageCount; i++) {
PackageSetting ps = su.packages.valueAt(i);
if (ps.pkg == null) {
continue;
}
final int requestedPermCount = ps.pkg.requestedPermissions.size();
for (int j = 0; j < requestedPermCount; j++) {
String permission = ps.pkg.requestedPermissions.get(j);
BasePermission bp = mSettings.mPermissions.get(permission);
if (bp != null) {
usedPermissions.add(permission);
}
}
}
PermissionsState permissionsState = su.getPermissionsState();
// Prune install permissions
List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates();
final int installPermCount = installPermStates.size();
for (int i = installPermCount - 1; i >= 0; i--) {
PermissionState permissionState = installPermStates.get(i);
if (!usedPermissions.contains(permissionState.getName())) {
BasePermission bp = mSettings.mPermissions.get(permissionState.getName());
if (bp != null) {
permissionsState.revokeInstallPermission(bp);
permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL,
PackageManager.MASK_PERMISSION_FLAGS, 0);
}
}
}
int[] runtimePermissionChangedUserIds = EmptyArray.INT;
// Prune runtime permissions
for (int userId : allUserIds) {
List<PermissionState> runtimePermStates = permissionsState
.getRuntimePermissionStates(userId);
final int runtimePermCount = runtimePermStates.size();
for (int i = runtimePermCount - 1; i >= 0; i--) {
PermissionState permissionState = runtimePermStates.get(i);
if (!usedPermissions.contains(permissionState.getName())) {
BasePermission bp = mSettings.mPermissions.get(permissionState.getName());
if (bp != null) {
permissionsState.revokeRuntimePermission(bp, userId);
permissionsState.updatePermissionFlags(bp, userId,
PackageManager.MASK_PERMISSION_FLAGS, 0);
runtimePermissionChangedUserIds = ArrayUtils.appendInt(
runtimePermissionChangedUserIds, userId);
}
}
}
}
return runtimePermissionChangedUserIds;
}
private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName,
String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res,
UserHandle user) {
String pkgName = newPackage.packageName;
synchronized (mPackages) {
//write settings. the installStatus will be incomplete at this stage.
//note that the new package setting would have already been
//added to mPackages. It hasn't been persisted yet.
mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE);
mSettings.writeLPr();
}
if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath);
synchronized (mPackages) {
updatePermissionsLPw(newPackage.packageName, newPackage,
UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0
? UPDATE_PERMISSIONS_ALL : 0));
// For system-bundled packages, we assume that installing an upgraded version
// of the package implies that the user actually wants to run that new code,
// so we enable the package.
PackageSetting ps = mSettings.mPackages.get(pkgName);
if (ps != null) {
if (isSystemApp(newPackage)) {
// NB: implicit assumption that system package upgrades apply to all users
if (DEBUG_INSTALL) {
Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName);
}
if (res.origUsers != null) {
for (int userHandle : res.origUsers) {
ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT,
userHandle, installerPackageName);
}
}
// Also convey the prior install/uninstall state
if (allUsers != null && perUserInstalled != null) {
for (int i = 0; i < allUsers.length; i++) {
if (DEBUG_INSTALL) {
Slog.d(TAG, " user " + allUsers[i]
+ " => " + perUserInstalled[i]);
}
ps.setInstalled(perUserInstalled[i], allUsers[i]);
}
// these install state changes will be persisted in the
// upcoming call to mSettings.writeLPr().
}
}
// It's implied that when a user requests installation, they want the app to be
// installed and enabled.
int userId = user.getIdentifier();
if (userId != UserHandle.USER_ALL) {
ps.setInstalled(true, userId);
ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName);
}
}
res.name = pkgName;
res.uid = newPackage.applicationInfo.uid;
res.pkg = newPackage;
mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE);
mSettings.setInstallerPackageName(pkgName, installerPackageName);
res.returnCode = PackageManager.INSTALL_SUCCEEDED;
//to update install status
mSettings.writeLPr();
}
}
private void installPackageLI(InstallArgs args, PackageInstalledInfo res) {
final int installFlags = args.installFlags;
final String installerPackageName = args.installerPackageName;
final String volumeUuid = args.volumeUuid;
final File tmpPackageFile = new File(args.getCodePath());
final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0);
final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0)
|| (args.volumeUuid != null));
boolean replace = false;
int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE;
if (args.move != null) {
// moving a complete application; perfom an initial scan on the new install location
scanFlags |= SCAN_INITIAL;
}
// Result object to be returned
res.returnCode = PackageManager.INSTALL_SUCCEEDED;
if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile);
// Retrieve PackageSettings and parse package
final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY
| (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0)
| (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0);
PackageParser pp = new PackageParser();
pp.setSeparateProcesses(mSeparateProcesses);
pp.setDisplayMetrics(mMetrics);
final PackageParser.Package pkg;
try {
pkg = pp.parsePackage(tmpPackageFile, parseFlags);
} catch (PackageParserException e) {
res.setError("Failed parse during installPackageLI", e);
return;
}
// Mark that we have an install time CPU ABI override.
pkg.cpuAbiOverride = args.abiOverride;
String pkgName = res.name = pkg.packageName;
if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) {
if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) {
res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI");
return;
}
}
try {
pp.collectCertificates(pkg, parseFlags);
pp.collectManifestDigest(pkg);
} catch (PackageParserException e) {
res.setError("Failed collect during installPackageLI", e);
return;
}
/* If the installer passed in a manifest digest, compare it now. */
if (args.manifestDigest != null) {
if (DEBUG_INSTALL) {
final String parsedManifest = pkg.manifestDigest == null ? "null"
: pkg.manifestDigest.toString();
Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. "
+ parsedManifest);
}
if (!args.manifestDigest.equals(pkg.manifestDigest)) {
res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed");
return;
}
} else if (DEBUG_INSTALL) {
final String parsedManifest = pkg.manifestDigest == null
? "null" : pkg.manifestDigest.toString();
Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest);
}
// Get rid of all references to package scan path via parser.
pp = null;
String oldCodePath = null;
boolean systemApp = false;
synchronized (mPackages) {
// Check if installing already existing package
if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
String oldName = mSettings.mRenamedPackages.get(pkgName);
if (pkg.mOriginalPackages != null
&& pkg.mOriginalPackages.contains(oldName)
&& mPackages.containsKey(oldName)) {
// This package is derived from an original package,
// and this device has been updating from that original
// name. We must continue using the original name, so
// rename the new package here.
pkg.setPackageName(oldName);
pkgName = pkg.packageName;
replace = true;
if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName="
+ oldName + " pkgName=" + pkgName);
} else if (mPackages.containsKey(pkgName)) {
// This package, under its official name, already exists
// on the device; we should replace it.
replace = true;
if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName);
}
// Prevent apps opting out from runtime permissions
if (replace) {
PackageParser.Package oldPackage = mPackages.get(pkgName);
final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion;
final int newTargetSdk = pkg.applicationInfo.targetSdkVersion;
if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1
&& newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) {
res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE,
"Package " + pkg.packageName + " new target SDK " + newTargetSdk
+ " doesn't support runtime permissions but the old"
+ " target SDK " + oldTargetSdk + " does.");
return;
}
}
}
PackageSetting ps = mSettings.mPackages.get(pkgName);
if (ps != null) {
if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps);
// Quick sanity check that we're signed correctly if updating;
// we'll check this again later when scanning, but we want to
// bail early here before tripping over redefined permissions.
if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) {
if (!checkUpgradeKeySetLP(ps, pkg)) {
res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
+ pkg.packageName + " upgrade keys do not match the "
+ "previously installed version");
return;
}
} else {
try {
verifySignaturesLP(ps, pkg);
} catch (PackageManagerException e) {
res.setError(e.error, e.getMessage());
return;
}
}
oldCodePath = mSettings.mPackages.get(pkgName).codePathString;
if (ps.pkg != null && ps.pkg.applicationInfo != null) {
systemApp = (ps.pkg.applicationInfo.flags &
ApplicationInfo.FLAG_SYSTEM) != 0;
}
res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
}
// Check whether the newly-scanned package wants to define an already-defined perm
int N = pkg.permissions.size();
for (int i = N-1; i >= 0; i--) {
PackageParser.Permission perm = pkg.permissions.get(i);
BasePermission bp = mSettings.mPermissions.get(perm.info.name);
if (bp != null) {
// If the defining package is signed with our cert, it's okay. This
// also includes the "updating the same package" case, of course.
// "updating same package" could also involve key-rotation.
final boolean sigsOk;
if (bp.sourcePackage.equals(pkg.packageName)
&& (bp.packageSetting instanceof PackageSetting)
&& (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting,
scanFlags))) {
sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg);
} else {
sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures,
pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
}
if (!sigsOk) {
// If the owning package is the system itself, we log but allow
// install to proceed; we fail the install on all other permission
// redefinitions.
if (!bp.sourcePackage.equals("android")) {
res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package "
+ pkg.packageName + " attempting to redeclare permission "
+ perm.info.name + " already owned by " + bp.sourcePackage);
res.origPermission = perm.info.name;
res.origPackage = bp.sourcePackage;
return;
} else {
Slog.w(TAG, "Package " + pkg.packageName
+ " attempting to redeclare system permission "
+ perm.info.name + "; ignoring new declaration");
pkg.permissions.remove(i);
}
}
}
}
}
if (systemApp && onExternal) {
// Disable updates to system apps on sdcard
res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION,
"Cannot install updates to system apps on sdcard");
return;
}
if (args.move != null) {
// We did an in-place move, so dex is ready to roll
scanFlags |= SCAN_NO_DEX;
scanFlags |= SCAN_MOVE;
synchronized (mPackages) {
final PackageSetting ps = mSettings.mPackages.get(pkgName);
if (ps == null) {
res.setError(INSTALL_FAILED_INTERNAL_ERROR,
"Missing settings for moved package " + pkgName);
}
// We moved the entire application as-is, so bring over the
// previously derived ABI information.
pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString;
pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString;
}
} else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) {
// Enable SCAN_NO_DEX flag to skip dexopt at a later stage
scanFlags |= SCAN_NO_DEX;
try {
derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride,
true /* extract libs */);
} catch (PackageManagerException pme) {
Slog.e(TAG, "Error deriving application ABI", pme);
res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI");
return;
}
// Run dexopt before old package gets removed, to minimize time when app is unavailable
int result = mPackageDexOptimizer
.performDexOpt(pkg, null /* instruction sets */, false /* forceDex */,
false /* defer */, false /* inclDependencies */,
true /* boot complete */);
if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath);
return;
}
}
if (!args.doRename(res.returnCode, pkg, oldCodePath)) {
res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename");
return;
}
startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg);
if (replace) {
replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user,
installerPackageName, volumeUuid, res);
} else {
installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES,
args.user, installerPackageName, volumeUuid, res);
}
synchronized (mPackages) {
final PackageSetting ps = mSettings.mPackages.get(pkgName);
if (ps != null) {
res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
}
}
}
private void startIntentFilterVerifications(int userId, boolean replacing,
PackageParser.Package pkg) {
if (mIntentFilterVerifierComponent == null) {
Slog.w(TAG, "No IntentFilter verification will not be done as "
+ "there is no IntentFilterVerifier available!");
return;
}
final int verifierUid = getPackageUid(
mIntentFilterVerifierComponent.getPackageName(),
(userId == UserHandle.USER_ALL) ? UserHandle.USER_OWNER : userId);
mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS);
final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS);
msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid);
mHandler.sendMessage(msg);
}
private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing,
PackageParser.Package pkg) {
int size = pkg.activities.size();
if (size == 0) {
if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
"No activity, so no need to verify any IntentFilter!");
return;
}
final boolean hasDomainURLs = hasDomainURLs(pkg);
if (!hasDomainURLs) {
if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
"No domain URLs, so no need to verify any IntentFilter!");
return;
}
if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId
+ " if any IntentFilter from the " + size
+ " Activities needs verification ...");
int count = 0;
final String packageName = pkg.packageName;
synchronized (mPackages) {
// If this is a new install and we see that we've already run verification for this
// package, we have nothing to do: it means the state was restored from backup.
if (!replacing) {
IntentFilterVerificationInfo ivi =
mSettings.getIntentFilterVerificationLPr(packageName);
if (ivi != null) {
if (DEBUG_DOMAIN_VERIFICATION) {
Slog.i(TAG, "Package " + packageName+ " already verified: status="
+ ivi.getStatusString());
}
return;
}
}
// If any filters need to be verified, then all need to be.
boolean needToVerify = false;
for (PackageParser.Activity a : pkg.activities) {
for (ActivityIntentInfo filter : a.intents) {
if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) {
if (DEBUG_DOMAIN_VERIFICATION) {
Slog.d(TAG, "Intent filter needs verification, so processing all filters");
}
needToVerify = true;
break;
}
}
}
if (needToVerify) {
final int verificationId = mIntentFilterVerificationToken++;
for (PackageParser.Activity a : pkg.activities) {
for (ActivityIntentInfo filter : a.intents) {
if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) {
if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
"Verification needed for IntentFilter:" + filter.toString());
mIntentFilterVerifier.addOneIntentFilterVerification(
verifierUid, userId, verificationId, filter, packageName);
count++;
}
}
}
}
}
if (count > 0) {
if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count
+ " IntentFilter verification" + (count > 1 ? "s" : "")
+ " for userId:" + userId);
mIntentFilterVerifier.startVerifications(userId);
} else {
if (DEBUG_DOMAIN_VERIFICATION) {
Slog.d(TAG, "No filters or not all autoVerify for " + packageName);
}
}
}
private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) {
final ComponentName cn = filter.activity.getComponentName();
final String packageName = cn.getPackageName();
IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr(
packageName);
if (ivi == null) {
return true;
}
int status = ivi.getStatus();
switch (status) {
case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED:
case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK:
return true;
default:
// Nothing to do
return false;
}
}
private static boolean isMultiArch(PackageSetting ps) {
return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0;
}
private static boolean isMultiArch(ApplicationInfo info) {
return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0;
}
private static boolean isExternal(PackageParser.Package pkg) {
return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
}
private static boolean isExternal(PackageSetting ps) {
return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
}
private static boolean isExternal(ApplicationInfo info) {
return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
}
private static boolean isSystemApp(PackageParser.Package pkg) {
return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
}
private static boolean isPrivilegedApp(PackageParser.Package pkg) {
return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0;
}
private static boolean hasDomainURLs(PackageParser.Package pkg) {
return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0;
}
private static boolean isSystemApp(PackageSetting ps) {
return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0;
}
private static boolean isUpdatedSystemApp(PackageSetting ps) {
return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
}
private int packageFlagsToInstallFlags(PackageSetting ps) {
int installFlags = 0;
if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) {
// This existing package was an external ASEC install when we have
// the external flag without a UUID
installFlags |= PackageManager.INSTALL_EXTERNAL;
}
if (ps.isForwardLocked()) {
installFlags |= PackageManager.INSTALL_FORWARD_LOCK;
}
return installFlags;
}
private String getVolumeUuidForPackage(PackageParser.Package pkg) {
if (isExternal(pkg)) {
if (TextUtils.isEmpty(pkg.volumeUuid)) {
return StorageManager.UUID_PRIMARY_PHYSICAL;
} else {
return pkg.volumeUuid;
}
} else {
return StorageManager.UUID_PRIVATE_INTERNAL;
}
}
private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) {
if (isExternal(pkg)) {
if (TextUtils.isEmpty(pkg.volumeUuid)) {
return mSettings.getExternalVersion();
} else {
return mSettings.findOrCreateVersion(pkg.volumeUuid);
}
} else {
return mSettings.getInternalVersion();
}
}
private void deleteTempPackageFiles() {
final FilenameFilter filter = new FilenameFilter() {
public boolean accept(File dir, String name) {
return name.startsWith("vmdl") && name.endsWith(".tmp");
}
};
for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) {
file.delete();
}
}
@Override
public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId,
int flags) {
deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId,
flags);
}
@Override
public void deletePackage(final String packageName,
final IPackageDeleteObserver2 observer, final int userId, final int flags) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.DELETE_PACKAGES, null);
Preconditions.checkNotNull(packageName);
Preconditions.checkNotNull(observer);
final int uid = Binder.getCallingUid();
if (UserHandle.getUserId(uid) != userId) {
mContext.enforceCallingPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
"deletePackage for user " + userId);
}
if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) {
try {
observer.onPackageDeleted(packageName,
PackageManager.DELETE_FAILED_USER_RESTRICTED, null);
} catch (RemoteException re) {
}
return;
}
boolean uninstallBlocked = false;
if ((flags & PackageManager.DELETE_ALL_USERS) != 0) {
int[] users = sUserManager.getUserIds();
for (int i = 0; i < users.length; ++i) {
if (getBlockUninstallForUser(packageName, users[i])) {
uninstallBlocked = true;
break;
}
}
} else {
uninstallBlocked = getBlockUninstallForUser(packageName, userId);
}
if (uninstallBlocked) {
try {
observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED,
null);
} catch (RemoteException re) {
}
return;
}
if (DEBUG_REMOVE) {
Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId);
}
// Queue up an async operation since the package deletion may take a little while.
mHandler.post(new Runnable() {
public void run() {
mHandler.removeCallbacks(this);
final int returnCode = deletePackageX(packageName, userId, flags);
if (observer != null) {
try {
observer.onPackageDeleted(packageName, returnCode, null);
} catch (RemoteException e) {
Log.i(TAG, "Observer no longer exists.");
} //end catch
} //end if
} //end run
});
}
private boolean isPackageDeviceAdmin(String packageName, int userId) {
IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface(
ServiceManager.getService(Context.DEVICE_POLICY_SERVICE));
try {
if (dpm != null) {
if (dpm.isDeviceOwner(packageName)) {
return true;
}
int[] users;
if (userId == UserHandle.USER_ALL) {
users = sUserManager.getUserIds();
} else {
users = new int[]{userId};
}
for (int i = 0; i < users.length; ++i) {
if (dpm.packageHasActiveAdmins(packageName, users[i])) {
return true;
}
}
}
} catch (RemoteException e) {
}
return false;
}
/**
* This method is an internal method that could be get invoked either
* to delete an installed package or to clean up a failed installation.
* After deleting an installed package, a broadcast is sent to notify any
* listeners that the package has been installed. For cleaning up a failed
* installation, the broadcast is not necessary since the package's
* installation wouldn't have sent the initial broadcast either
* The key steps in deleting a package are
* deleting the package information in internal structures like mPackages,
* deleting the packages base directories through installd
* updating mSettings to reflect current status
* persisting settings for later use
* sending a broadcast if necessary
*/
private int deletePackageX(String packageName, int userId, int flags) {
final PackageRemovedInfo info = new PackageRemovedInfo();
final boolean res;
final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0
? UserHandle.ALL : new UserHandle(userId);
if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) {
Slog.w(TAG, "Not removing package " + packageName + ": has active device admin");
return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER;
}
boolean removedForAllUsers = false;
boolean systemUpdate = false;
// for the uninstall-updates case and restricted profiles, remember the per-
// userhandle installed state
int[] allUsers;
boolean[] perUserInstalled;
synchronized (mPackages) {
PackageSetting ps = mSettings.mPackages.get(packageName);
allUsers = sUserManager.getUserIds();
perUserInstalled = new boolean[allUsers.length];
for (int i = 0; i < allUsers.length; i++) {
perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
}
}
synchronized (mInstallLock) {
if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId);
res = deletePackageLI(packageName, removeForUser,
true, allUsers, perUserInstalled,
flags | REMOVE_CHATTY, info, true);
systemUpdate = info.isRemovedPackageSystemUpdate;
if (res && !systemUpdate && mPackages.get(packageName) == null) {
removedForAllUsers = true;
}
if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate
+ " removedForAllUsers=" + removedForAllUsers);
}
if (res) {
info.sendBroadcast(true, systemUpdate, removedForAllUsers);
// If the removed package was a system update, the old system package
// was re-enabled; we need to broadcast this information
if (systemUpdate) {
Bundle extras = new Bundle(1);
extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0
? info.removedAppId : info.uid);
extras.putBoolean(Intent.EXTRA_REPLACING, true);
sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName,
extras, null, null, null);
sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName,
extras, null, null, null);
sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null,
null, packageName, null, null);
}
}
// Force a gc here.
Runtime.getRuntime().gc();
// Delete the resources here after sending the broadcast to let
// other processes clean up before deleting resources.
if (info.args != null) {
synchronized (mInstallLock) {
info.args.doPostDeleteLI(true);
}
}
return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR;
}
class PackageRemovedInfo {
String removedPackage;
int uid = -1;
int removedAppId = -1;
int[] removedUsers = null;
boolean isRemovedPackageSystemUpdate = false;
// Clean up resources deleted packages.
InstallArgs args = null;
void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) {
Bundle extras = new Bundle(1);
extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid);
extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove);
if (replacing) {
extras.putBoolean(Intent.EXTRA_REPLACING, true);
}
extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers);
if (removedPackage != null) {
sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
extras, null, null, removedUsers);
if (fullRemove && !replacing) {
sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage,
extras, null, null, removedUsers);
}
}
if (removedAppId >= 0) {
sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null,
removedUsers);
}
}
}
/*
* This method deletes the package from internal data structures. If the DONT_DELETE_DATA
* flag is not set, the data directory is removed as well.
* make sure this flag is set for partially installed apps. If not its meaningless to
* delete a partially installed application.
*/
private void removePackageDataLI(PackageSetting ps,
int[] allUserHandles, boolean[] perUserInstalled,
PackageRemovedInfo outInfo, int flags, boolean writeSettings) {
String packageName = ps.name;
if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps);
removePackageLI(ps, (flags&REMOVE_CHATTY) != 0);
// Retrieve object to delete permissions for shared user later on
final PackageSetting deletedPs;
// reader
synchronized (mPackages) {
deletedPs = mSettings.mPackages.get(packageName);
if (outInfo != null) {
outInfo.removedPackage = packageName;
outInfo.removedUsers = deletedPs != null
? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true)
: null;
}
}
if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
removeDataDirsLI(ps.volumeUuid, packageName);
schedulePackageCleaning(packageName, UserHandle.USER_ALL, true);
}
// writer
synchronized (mPackages) {
if (deletedPs != null) {
if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL);
clearDefaultBrowserIfNeeded(packageName);
if (outInfo != null) {
mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName);
outInfo.removedAppId = mSettings.removePackageLPw(packageName);
}
updatePermissionsLPw(deletedPs.name, null, 0);
if (deletedPs.sharedUser != null) {
// Remove permissions associated with package. Since runtime
// permissions are per user we have to kill the removed package
// or packages running under the shared user of the removed
// package if revoking the permissions requested only by the removed
// package is successful and this causes a change in gids.
for (int userId : UserManagerService.getInstance().getUserIds()) {
final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs,
userId);
if (userIdToKill == UserHandle.USER_ALL
|| userIdToKill >= UserHandle.USER_OWNER) {
// If gids changed for this user, kill all affected packages.
mHandler.post(new Runnable() {
@Override
public void run() {
// This has to happen with no lock held.
killApplication(deletedPs.name, deletedPs.appId,
KILL_APP_REASON_GIDS_CHANGED);
}
});
break;
}
}
}
clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL);
}
// make sure to preserve per-user disabled state if this removal was just
// a downgrade of a system app to the factory package
if (allUserHandles != null && perUserInstalled != null) {
if (DEBUG_REMOVE) {
Slog.d(TAG, "Propagating install state across downgrade");
}
for (int i = 0; i < allUserHandles.length; i++) {
if (DEBUG_REMOVE) {
Slog.d(TAG, " user " + allUserHandles[i]
+ " => " + perUserInstalled[i]);
}
ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
}
}
}
// can downgrade to reader
if (writeSettings) {
// Save settings now
mSettings.writeLPr();
}
}
if (outInfo != null) {
// A user ID was deleted here. Go through all users and remove it
// from KeyStore.
removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId);
}
}
static boolean locationIsPrivileged(File path) {
try {
final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app")
.getCanonicalPath();
return path.getCanonicalPath().startsWith(privilegedAppDir);
} catch (IOException e) {
Slog.e(TAG, "Unable to access code path " + path);
}
return false;
}
/*
* Tries to delete system package.
*/
private boolean deleteSystemPackageLI(PackageSetting newPs,
int[] allUserHandles, boolean[] perUserInstalled,
int flags, PackageRemovedInfo outInfo, boolean writeSettings) {
final boolean applyUserRestrictions
= (allUserHandles != null) && (perUserInstalled != null);
PackageSetting disabledPs = null;
// Confirm if the system package has been updated
// An updated system app can be deleted. This will also have to restore
// the system pkg from system partition
// reader
synchronized (mPackages) {
disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name);
}
if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs
+ " disabledPs=" + disabledPs);
if (disabledPs == null) {
Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name);
return false;
} else if (DEBUG_REMOVE) {
Slog.d(TAG, "Deleting system pkg from data partition");
}
if (DEBUG_REMOVE) {
if (applyUserRestrictions) {
Slog.d(TAG, "Remembering install states:");
for (int i = 0; i < allUserHandles.length; i++) {
Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]);
}
}
}
// Delete the updated package
outInfo.isRemovedPackageSystemUpdate = true;
if (disabledPs.versionCode < newPs.versionCode) {
// Delete data for downgrades
flags &= ~PackageManager.DELETE_KEEP_DATA;
} else {
// Preserve data by setting flag
flags |= PackageManager.DELETE_KEEP_DATA;
}
boolean ret = deleteInstalledPackageLI(newPs, true, flags,
allUserHandles, perUserInstalled, outInfo, writeSettings);
if (!ret) {
return false;
}
// writer
synchronized (mPackages) {
// Reinstate the old system package
mSettings.enableSystemPackageLPw(newPs.name);
// Remove any native libraries from the upgraded package.
NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString);
}
// Install the system package
if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs);
int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM;
if (locationIsPrivileged(disabledPs.codePath)) {
parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
}
final PackageParser.Package newPkg;
try {
newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null);
} catch (PackageManagerException e) {
Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage());
return false;
}
// writer
synchronized (mPackages) {
PackageSetting ps = mSettings.mPackages.get(newPkg.packageName);
// Propagate the permissions state as we do not want to drop on the floor
// runtime permissions. The update permissions method below will take
// care of removing obsolete permissions and grant install permissions.
ps.getPermissionsState().copyFrom(newPs.getPermissionsState());
updatePermissionsLPw(newPkg.packageName, newPkg,
UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG);
if (applyUserRestrictions) {
if (DEBUG_REMOVE) {
Slog.d(TAG, "Propagating install state across reinstall");
}
for (int i = 0; i < allUserHandles.length; i++) {
if (DEBUG_REMOVE) {
Slog.d(TAG, " user " + allUserHandles[i]
+ " => " + perUserInstalled[i]);
}
ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false);
}
// Regardless of writeSettings we need to ensure that this restriction
// state propagation is persisted
mSettings.writeAllUsersPackageRestrictionsLPr();
}
// can downgrade to reader here
if (writeSettings) {
mSettings.writeLPr();
}
}
return true;
}
private boolean deleteInstalledPackageLI(PackageSetting ps,
boolean deleteCodeAndResources, int flags,
int[] allUserHandles, boolean[] perUserInstalled,
PackageRemovedInfo outInfo, boolean writeSettings) {
if (outInfo != null) {
outInfo.uid = ps.appId;
}
// Delete package data from internal structures and also remove data if flag is set
removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings);
// Delete application code and resources
if (deleteCodeAndResources && (outInfo != null)) {
outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps));
if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args);
}
return true;
}
@Override
public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall,
int userId) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.DELETE_PACKAGES, null);
synchronized (mPackages) {
PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps == null) {
Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName);
return false;
}
if (!ps.getInstalled(userId)) {
// Can't block uninstall for an app that is not installed or enabled.
Log.i(TAG, "Package not installed in set block uninstall " + packageName);
return false;
}
ps.setBlockUninstall(blockUninstall, userId);
mSettings.writePackageRestrictionsLPr(userId);
}
return true;
}
@Override
public boolean getBlockUninstallForUser(String packageName, int userId) {
synchronized (mPackages) {
PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps == null) {
Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName);
return false;
}
return ps.getBlockUninstall(userId);
}
}
/*
* This method handles package deletion in general
*/
private boolean deletePackageLI(String packageName, UserHandle user,
boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled,
int flags, PackageRemovedInfo outInfo,
boolean writeSettings) {
if (packageName == null) {
Slog.w(TAG, "Attempt to delete null packageName.");
return false;
}
if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user);
PackageSetting ps;
boolean dataOnly = false;
int removeUser = -1;
int appId = -1;
synchronized (mPackages) {
ps = mSettings.mPackages.get(packageName);
if (ps == null) {
Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
return false;
}
if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null
&& user.getIdentifier() != UserHandle.USER_ALL) {
// The caller is asking that the package only be deleted for a single
// user. To do this, we just mark its uninstalled state and delete
// its data. If this is a system app, we only allow this to happen if
// they have set the special DELETE_SYSTEM_APP which requests different
// semantics than normal for uninstalling system apps.
if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user");
final int userId = user.getIdentifier();
ps.setUserState(userId,
COMPONENT_ENABLED_STATE_DEFAULT,
false, //installed
true, //stopped
true, //notLaunched
false, //hidden
null, null, null,
false, // blockUninstall
ps.readUserState(userId).domainVerificationStatus, 0);
if (!isSystemApp(ps)) {
if (ps.isAnyInstalled(sUserManager.getUserIds())) {
// Other user still have this package installed, so all
// we need to do is clear this user's data and save that
// it is uninstalled.
if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users");
removeUser = user.getIdentifier();
appId = ps.appId;
scheduleWritePackageRestrictionsLocked(removeUser);
} else {
// We need to set it back to 'installed' so the uninstall
// broadcasts will be sent correctly.
if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete");
ps.setInstalled(true, user.getIdentifier());
}
} else {
// This is a system app, so we assume that the
// other users still have this package installed, so all
// we need to do is clear this user's data and save that
// it is uninstalled.
if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app");
removeUser = user.getIdentifier();
appId = ps.appId;
scheduleWritePackageRestrictionsLocked(removeUser);
}
}
}
if (removeUser >= 0) {
// From above, we determined that we are deleting this only
// for a single user. Continue the work here.
if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser);
if (outInfo != null) {
outInfo.removedPackage = packageName;
outInfo.removedAppId = appId;
outInfo.removedUsers = new int[] {removeUser};
}
mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser);
removeKeystoreDataIfNeeded(removeUser, appId);
schedulePackageCleaning(packageName, removeUser, false);
synchronized (mPackages) {
if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) {
scheduleWritePackageRestrictionsLocked(removeUser);
}
resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser);
}
return true;
}
if (dataOnly) {
// Delete application data first
if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only");
removePackageDataLI(ps, null, null, outInfo, flags, writeSettings);
return true;
}
boolean ret = false;
if (isSystemApp(ps)) {
if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name);
// When an updated system application is deleted we delete the existing resources as well and
// fall back to existing code in system partition
ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled,
flags, outInfo, writeSettings);
} else {
if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name);
// Kill application pre-emptively especially for apps on sd.
killApplication(packageName, ps.appId, "uninstall pkg");
ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags,
allUserHandles, perUserInstalled,
outInfo, writeSettings);
}
return ret;
}
private final class ClearStorageConnection implements ServiceConnection {
IMediaContainerService mContainerService;
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
synchronized (this) {
mContainerService = IMediaContainerService.Stub.asInterface(service);
notifyAll();
}
}
@Override
public void onServiceDisconnected(ComponentName name) {
}
}
private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) {
final boolean mounted;
if (Environment.isExternalStorageEmulated()) {
mounted = true;
} else {
final String status = Environment.getExternalStorageState();
mounted = status.equals(Environment.MEDIA_MOUNTED)
|| status.equals(Environment.MEDIA_MOUNTED_READ_ONLY);
}
if (!mounted) {
return;
}
final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
int[] users;
if (userId == UserHandle.USER_ALL) {
users = sUserManager.getUserIds();
} else {
users = new int[] { userId };
}
final ClearStorageConnection conn = new ClearStorageConnection();
if (mContext.bindServiceAsUser(
containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
try {
for (int curUser : users) {
long timeout = SystemClock.uptimeMillis() + 5000;
synchronized (conn) {
long now = SystemClock.uptimeMillis();
while (conn.mContainerService == null && now < timeout) {
try {
conn.wait(timeout - now);
} catch (InterruptedException e) {
}
}
}
if (conn.mContainerService == null) {
return;
}
final UserEnvironment userEnv = new UserEnvironment(curUser);
clearDirectory(conn.mContainerService,
userEnv.buildExternalStorageAppCacheDirs(packageName));
if (allData) {
clearDirectory(conn.mContainerService,
userEnv.buildExternalStorageAppDataDirs(packageName));
clearDirectory(conn.mContainerService,
userEnv.buildExternalStorageAppMediaDirs(packageName));
}
}
} finally {
mContext.unbindService(conn);
}
}
}
@Override
public void clearApplicationUserData(final String packageName,
final IPackageDataObserver observer, final int userId) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.CLEAR_APP_USER_DATA, null);
enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data");
// Queue up an async operation since the package deletion may take a little while.
mHandler.post(new Runnable() {
public void run() {
mHandler.removeCallbacks(this);
final boolean succeeded;
synchronized (mInstallLock) {
succeeded = clearApplicationUserDataLI(packageName, userId);
}
clearExternalStorageDataSync(packageName, userId, true);
if (succeeded) {
// invoke DeviceStorageMonitor's update method to clear any notifications
DeviceStorageMonitorInternal
dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
if (dsm != null) {
dsm.checkMemory();
}
}
if(observer != null) {
try {
observer.onRemoveCompleted(packageName, succeeded);
} catch (RemoteException e) {
Log.i(TAG, "Observer no longer exists.");
}
} //end if observer
} //end run
});
}
private boolean clearApplicationUserDataLI(String packageName, int userId) {
if (packageName == null) {
Slog.w(TAG, "Attempt to delete null packageName.");
return false;
}
// Try finding details about the requested package
PackageParser.Package pkg;
synchronized (mPackages) {
pkg = mPackages.get(packageName);
if (pkg == null) {
final PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps != null) {
pkg = ps.pkg;
}
}
if (pkg == null) {
Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
return false;
}
PackageSetting ps = (PackageSetting) pkg.mExtras;
resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId);
}
// Always delete data directories for package, even if we found no other
// record of app. This helps users recover from UID mismatches without
// resorting to a full data wipe.
int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId);
if (retCode < 0) {
Slog.w(TAG, "Couldn't remove cache files for package: " + packageName);
return false;
}
final int appId = pkg.applicationInfo.uid;
removeKeystoreDataIfNeeded(userId, appId);
// Create a native library symlink only if we have native libraries
// and if the native libraries are 32 bit libraries. We do not provide
// this symlink for 64 bit libraries.
if (pkg.applicationInfo.primaryCpuAbi != null &&
!VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName,
nativeLibPath, userId) < 0) {
Slog.w(TAG, "Failed linking native library dir");
return false;
}
}
return true;
}
/**
* Reverts user permission state changes (permissions and flags) in
* all packages for a given user.
*
* @param userId The device user for which to do a reset.
*/
private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) {
final int packageCount = mPackages.size();
for (int i = 0; i < packageCount; i++) {
PackageParser.Package pkg = mPackages.valueAt(i);
PackageSetting ps = (PackageSetting) pkg.mExtras;
resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId);
}
}
/**
* Reverts user permission state changes (permissions and flags).
*
* @param ps The package for which to reset.
* @param userId The device user for which to do a reset.
*/
private void resetUserChangesToRuntimePermissionsAndFlagsLPw(
final PackageSetting ps, final int userId) {
if (ps.pkg == null) {
return;
}
final int userSettableFlags = FLAG_PERMISSION_USER_SET
| FLAG_PERMISSION_USER_FIXED
| FLAG_PERMISSION_REVOKE_ON_UPGRADE;
final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED
| FLAG_PERMISSION_POLICY_FIXED;
boolean writeInstallPermissions = false;
boolean writeRuntimePermissions = false;
final int permissionCount = ps.pkg.requestedPermissions.size();
for (int i = 0; i < permissionCount; i++) {
String permission = ps.pkg.requestedPermissions.get(i);
BasePermission bp = mSettings.mPermissions.get(permission);
if (bp == null) {
continue;
}
// If shared user we just reset the state to which only this app contributed.
if (ps.sharedUser != null) {
boolean used = false;
final int packageCount = ps.sharedUser.packages.size();
for (int j = 0; j < packageCount; j++) {
PackageSetting pkg = ps.sharedUser.packages.valueAt(j);
if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName)
&& pkg.pkg.requestedPermissions.contains(permission)) {
used = true;
break;
}
}
if (used) {
continue;
}
}
PermissionsState permissionsState = ps.getPermissionsState();
final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId);
// Always clear the user settable flags.
final boolean hasInstallState = permissionsState.getInstallPermissionState(
bp.name) != null;
if (permissionsState.updatePermissionFlags(bp, userId, userSettableFlags, 0)) {
if (hasInstallState) {
writeInstallPermissions = true;
} else {
writeRuntimePermissions = true;
}
}
// Below is only runtime permission handling.
if (!bp.isRuntime()) {
continue;
}
// Never clobber system or policy.
if ((oldFlags & policyOrSystemFlags) != 0) {
continue;
}
// If this permission was granted by default, make sure it is.
if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) {
if (permissionsState.grantRuntimePermission(bp, userId)
!= PERMISSION_OPERATION_FAILURE) {
writeRuntimePermissions = true;
}
} else {
// Otherwise, reset the permission.
final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId);
switch (revokeResult) {
case PERMISSION_OPERATION_SUCCESS: {
writeRuntimePermissions = true;
} break;
case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: {
writeRuntimePermissions = true;
final int appId = ps.appId;
mHandler.post(new Runnable() {
@Override
public void run() {
killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED);
}
});
} break;
}
}
}
// Synchronously write as we are taking permissions away.
if (writeRuntimePermissions) {
mSettings.writeRuntimePermissionsForUserLPr(userId, true);
}
// Synchronously write as we are taking permissions away.
if (writeInstallPermissions) {
mSettings.writeLPr();
}
}
/**
* Remove entries from the keystore daemon. Will only remove it if the
* {@code appId} is valid.
*/
private static void removeKeystoreDataIfNeeded(int userId, int appId) {
if (appId < 0) {
return;
}
final KeyStore keyStore = KeyStore.getInstance();
if (keyStore != null) {
if (userId == UserHandle.USER_ALL) {
for (final int individual : sUserManager.getUserIds()) {
keyStore.clearUid(UserHandle.getUid(individual, appId));
}
} else {
keyStore.clearUid(UserHandle.getUid(userId, appId));
}
} else {
Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId);
}
}
@Override
public void deleteApplicationCacheFiles(final String packageName,
final IPackageDataObserver observer) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.DELETE_CACHE_FILES, null);
// Queue up an async operation since the package deletion may take a little while.
final int userId = UserHandle.getCallingUserId();
mHandler.post(new Runnable() {
public void run() {
mHandler.removeCallbacks(this);
final boolean succeded;
synchronized (mInstallLock) {
succeded = deleteApplicationCacheFilesLI(packageName, userId);
}
clearExternalStorageDataSync(packageName, userId, false);
if (observer != null) {
try {
observer.onRemoveCompleted(packageName, succeded);
} catch (RemoteException e) {
Log.i(TAG, "Observer no longer exists.");
}
} //end if observer
} //end run
});
}
private boolean deleteApplicationCacheFilesLI(String packageName, int userId) {
if (packageName == null) {
Slog.w(TAG, "Attempt to delete null packageName.");
return false;
}
PackageParser.Package p;
synchronized (mPackages) {
p = mPackages.get(packageName);
}
if (p == null) {
Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
return false;
}
final ApplicationInfo applicationInfo = p.applicationInfo;
if (applicationInfo == null) {
Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
return false;
}
int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId);
if (retCode < 0) {
Slog.w(TAG, "Couldn't remove cache files for package: "
+ packageName + " u" + userId);
return false;
}
return true;
}
@Override
public void getPackageSizeInfo(final String packageName, int userHandle,
final IPackageStatsObserver observer) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.GET_PACKAGE_SIZE, null);
if (packageName == null) {
throw new IllegalArgumentException("Attempt to get size of null packageName");
}
PackageStats stats = new PackageStats(packageName, userHandle);
/*
* Queue up an async operation since the package measurement may take a
* little while.
*/
Message msg = mHandler.obtainMessage(INIT_COPY);
msg.obj = new MeasureParams(stats, observer);
mHandler.sendMessage(msg);
}
private boolean getPackageSizeInfoLI(String packageName, int userHandle,
PackageStats pStats) {
if (packageName == null) {
Slog.w(TAG, "Attempt to get size of null packageName.");
return false;
}
PackageParser.Package p;
boolean dataOnly = false;
String libDirRoot = null;
String asecPath = null;
PackageSetting ps = null;
synchronized (mPackages) {
p = mPackages.get(packageName);
ps = mSettings.mPackages.get(packageName);
if(p == null) {
dataOnly = true;
if((ps == null) || (ps.pkg == null)) {
Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
return false;
}
p = ps.pkg;
}
if (ps != null) {
libDirRoot = ps.legacyNativeLibraryPathString;
}
if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) {
final long token = Binder.clearCallingIdentity();
try {
String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath());
if (secureContainerId != null) {
asecPath = PackageHelper.getSdFilesystem(secureContainerId);
}
} finally {
Binder.restoreCallingIdentity(token);
}
}
}
String publicSrcDir = null;
if(!dataOnly) {
final ApplicationInfo applicationInfo = p.applicationInfo;
if (applicationInfo == null) {
Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
return false;
}
if (p.isForwardLocked()) {
publicSrcDir = applicationInfo.getBaseResourcePath();
}
}
// TODO: extend to measure size of split APKs
// TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree,
// not just the first level.
// TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not
// just the primary.
String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps));
String apkPath;
File packageDir = new File(p.codePath);
if (packageDir.isDirectory() && p.canHaveOatDir()) {
apkPath = packageDir.getAbsolutePath();
// If libDirRoot is inside a package dir, set it to null to avoid it being counted twice
if (libDirRoot != null && libDirRoot.startsWith(apkPath)) {
libDirRoot = null;
}
} else {
apkPath = p.baseCodePath;
}
int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, apkPath,
libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats);
if (res < 0) {
return false;
}
// Fix-up for forward-locked applications in ASEC containers.
if (!isExternal(p)) {
pStats.codeSize += pStats.externalCodeSize;
pStats.externalCodeSize = 0L;
}
return true;
}
@Override
public void addPackageToPreferred(String packageName) {
Slog.w(TAG, "addPackageToPreferred: this is now a no-op");
}
@Override
public void removePackageFromPreferred(String packageName) {
Slog.w(TAG, "removePackageFromPreferred: this is now a no-op");
}
@Override
public List<PackageInfo> getPreferredPackages(int flags) {
return new ArrayList<PackageInfo>();
}
private int getUidTargetSdkVersionLockedLPr(int uid) {
Object obj = mSettings.getUserIdLPr(uid);
if (obj instanceof SharedUserSetting) {
final SharedUserSetting sus = (SharedUserSetting) obj;
int vers = Build.VERSION_CODES.CUR_DEVELOPMENT;
final Iterator<PackageSetting> it = sus.packages.iterator();
while (it.hasNext()) {
final PackageSetting ps = it.next();
if (ps.pkg != null) {
int v = ps.pkg.applicationInfo.targetSdkVersion;
if (v < vers) vers = v;
}
}
return vers;
} else if (obj instanceof PackageSetting) {
final PackageSetting ps = (PackageSetting) obj;
if (ps.pkg != null) {
return ps.pkg.applicationInfo.targetSdkVersion;
}
}
return Build.VERSION_CODES.CUR_DEVELOPMENT;
}
@Override
public void addPreferredActivity(IntentFilter filter, int match,
ComponentName[] set, ComponentName activity, int userId) {
addPreferredActivityInternal(filter, match, set, activity, true, userId,
"Adding preferred");
}
private void addPreferredActivityInternal(IntentFilter filter, int match,
ComponentName[] set, ComponentName activity, boolean always, int userId,
String opname) {
// writer
int callingUid = Binder.getCallingUid();
enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity");
if (filter.countActions() == 0) {
Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
return;
}
synchronized (mPackages) {
if (mContext.checkCallingOrSelfPermission(
android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
!= PackageManager.PERMISSION_GRANTED) {
if (getUidTargetSdkVersionLockedLPr(callingUid)
< Build.VERSION_CODES.FROYO) {
Slog.w(TAG, "Ignoring addPreferredActivity() from uid "
+ callingUid);
return;
}
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
}
PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId);
Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user "
+ userId + ":");
filter.dump(new LogPrinter(Log.INFO, TAG), " ");
pir.addFilter(new PreferredActivity(filter, match, set, activity, always));
scheduleWritePackageRestrictionsLocked(userId);
}
}
@Override
public void replacePreferredActivity(IntentFilter filter, int match,
ComponentName[] set, ComponentName activity, int userId) {
if (filter.countActions() != 1) {
throw new IllegalArgumentException(
"replacePreferredActivity expects filter to have only 1 action.");
}
if (filter.countDataAuthorities() != 0
|| filter.countDataPaths() != 0
|| filter.countDataSchemes() > 1
|| filter.countDataTypes() != 0) {
throw new IllegalArgumentException(
"replacePreferredActivity expects filter to have no data authorities, " +
"paths, or types; and at most one scheme.");
}
final int callingUid = Binder.getCallingUid();
enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity");
synchronized (mPackages) {
if (mContext.checkCallingOrSelfPermission(
android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
!= PackageManager.PERMISSION_GRANTED) {
if (getUidTargetSdkVersionLockedLPr(callingUid)
< Build.VERSION_CODES.FROYO) {
Slog.w(TAG, "Ignoring replacePreferredActivity() from uid "
+ Binder.getCallingUid());
return;
}
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
}
PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
if (pir != null) {
// Get all of the existing entries that exactly match this filter.
ArrayList<PreferredActivity> existing = pir.findFilters(filter);
if (existing != null && existing.size() == 1) {
PreferredActivity cur = existing.get(0);
if (DEBUG_PREFERRED) {
Slog.i(TAG, "Checking replace of preferred:");
filter.dump(new LogPrinter(Log.INFO, TAG), " ");
if (!cur.mPref.mAlways) {
Slog.i(TAG, " -- CUR; not mAlways!");
} else {
Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch);
Slog.i(TAG, " -- CUR: mSet="
+ Arrays.toString(cur.mPref.mSetComponents));
Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent);
Slog.i(TAG, " -- NEW: mMatch="
+ (match&IntentFilter.MATCH_CATEGORY_MASK));
Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set));
Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString());
}
}
if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity)
&& cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK)
&& cur.mPref.sameSet(set)) {
// Setting the preferred activity to what it happens to be already
if (DEBUG_PREFERRED) {
Slog.i(TAG, "Replacing with same preferred activity "
+ cur.mPref.mShortComponent + " for user "
+ userId + ":");
filter.dump(new LogPrinter(Log.INFO, TAG), " ");
}
return;
}
}
if (existing != null) {
if (DEBUG_PREFERRED) {
Slog.i(TAG, existing.size() + " existing preferred matches for:");
filter.dump(new LogPrinter(Log.INFO, TAG), " ");
}
for (int i = 0; i < existing.size(); i++) {
PreferredActivity pa = existing.get(i);
if (DEBUG_PREFERRED) {
Slog.i(TAG, "Removing existing preferred activity "
+ pa.mPref.mComponent + ":");
pa.dump(new LogPrinter(Log.INFO, TAG), " ");
}
pir.removeFilter(pa);
}
}
}
addPreferredActivityInternal(filter, match, set, activity, true, userId,
"Replacing preferred");
}
}
@Override
public void clearPackagePreferredActivities(String packageName) {
final int uid = Binder.getCallingUid();
// writer
synchronized (mPackages) {
PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null || pkg.applicationInfo.uid != uid) {
if (mContext.checkCallingOrSelfPermission(
android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
!= PackageManager.PERMISSION_GRANTED) {
if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid())
< Build.VERSION_CODES.FROYO) {
Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid "
+ Binder.getCallingUid());
return;
}
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
}
}
int user = UserHandle.getCallingUserId();
if (clearPackagePreferredActivitiesLPw(packageName, user)) {
scheduleWritePackageRestrictionsLocked(user);
}
}
}
/** This method takes a specific user id as well as UserHandle.USER_ALL. */
boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) {
ArrayList<PreferredActivity> removed = null;
boolean changed = false;
for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
final int thisUserId = mSettings.mPreferredActivities.keyAt(i);
PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
if (userId != UserHandle.USER_ALL && userId != thisUserId) {
continue;
}
Iterator<PreferredActivity> it = pir.filterIterator();
while (it.hasNext()) {
PreferredActivity pa = it.next();
// Mark entry for removal only if it matches the package name
// and the entry is of type "always".
if (packageName == null ||
(pa.mPref.mComponent.getPackageName().equals(packageName)
&& pa.mPref.mAlways)) {
if (removed == null) {
removed = new ArrayList<PreferredActivity>();
}
removed.add(pa);
}
}
if (removed != null) {
for (int j=0; j<removed.size(); j++) {
PreferredActivity pa = removed.get(j);
pir.removeFilter(pa);
}
changed = true;
}
}
return changed;
}
/** This method takes a specific user id as well as UserHandle.USER_ALL. */
private void clearIntentFilterVerificationsLPw(int userId) {
final int packageCount = mPackages.size();
for (int i = 0; i < packageCount; i++) {
PackageParser.Package pkg = mPackages.valueAt(i);
clearIntentFilterVerificationsLPw(pkg.packageName, userId);
}
}
/** This method takes a specific user id as well as UserHandle.USER_ALL. */
void clearIntentFilterVerificationsLPw(String packageName, int userId) {
if (userId == UserHandle.USER_ALL) {
if (mSettings.removeIntentFilterVerificationLPw(packageName,
sUserManager.getUserIds())) {
for (int oneUserId : sUserManager.getUserIds()) {
scheduleWritePackageRestrictionsLocked(oneUserId);
}
}
} else {
if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) {
scheduleWritePackageRestrictionsLocked(userId);
}
}
}
void clearDefaultBrowserIfNeeded(String packageName) {
for (int oneUserId : sUserManager.getUserIds()) {
String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId);
if (TextUtils.isEmpty(defaultBrowserPackageName)) continue;
if (packageName.equals(defaultBrowserPackageName)) {
setDefaultBrowserPackageName(null, oneUserId);
}
}
}
@Override
public void resetApplicationPreferences(int userId) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
// writer
synchronized (mPackages) {
final long identity = Binder.clearCallingIdentity();
try {
clearPackagePreferredActivitiesLPw(null, userId);
mSettings.applyDefaultPreferredAppsLPw(this, userId);
// TODO: We have to reset the default SMS and Phone. This requires
// significant refactoring to keep all default apps in the package
// manager (cleaner but more work) or have the services provide
// callbacks to the package manager to request a default app reset.
applyFactoryDefaultBrowserLPw(userId);
clearIntentFilterVerificationsLPw(userId);
primeDomainVerificationsLPw(userId);
resetUserChangesToRuntimePermissionsAndFlagsLPw(userId);
scheduleWritePackageRestrictionsLocked(userId);
} finally {
Binder.restoreCallingIdentity(identity);
}
}
}
@Override
public int getPreferredActivities(List<IntentFilter> outFilters,
List<ComponentName> outActivities, String packageName) {
int num = 0;
final int userId = UserHandle.getCallingUserId();
// reader
synchronized (mPackages) {
PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
if (pir != null) {
final Iterator<PreferredActivity> it = pir.filterIterator();
while (it.hasNext()) {
final PreferredActivity pa = it.next();
if (packageName == null
|| (pa.mPref.mComponent.getPackageName().equals(packageName)
&& pa.mPref.mAlways)) {
if (outFilters != null) {
outFilters.add(new IntentFilter(pa));
}
if (outActivities != null) {
outActivities.add(pa.mPref.mComponent);
}
}
}
}
}
return num;
}
@Override
public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity,
int userId) {
int callingUid = Binder.getCallingUid();
if (callingUid != Process.SYSTEM_UID) {
throw new SecurityException(
"addPersistentPreferredActivity can only be run by the system");
}
if (filter.countActions() == 0) {
Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
return;
}
synchronized (mPackages) {
Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId +
" :");
filter.dump(new LogPrinter(Log.INFO, TAG), " ");
mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter(
new PersistentPreferredActivity(filter, activity));
scheduleWritePackageRestrictionsLocked(userId);
}
}
@Override
public void clearPackagePersistentPreferredActivities(String packageName, int userId) {
int callingUid = Binder.getCallingUid();
if (callingUid != Process.SYSTEM_UID) {
throw new SecurityException(
"clearPackagePersistentPreferredActivities can only be run by the system");
}
ArrayList<PersistentPreferredActivity> removed = null;
boolean changed = false;
synchronized (mPackages) {
for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) {
final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i);
PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
.valueAt(i);
if (userId != thisUserId) {
continue;
}
Iterator<PersistentPreferredActivity> it = ppir.filterIterator();
while (it.hasNext()) {
PersistentPreferredActivity ppa = it.next();
// Mark entry for removal only if it matches the package name.
if (ppa.mComponent.getPackageName().equals(packageName)) {
if (removed == null) {
removed = new ArrayList<PersistentPreferredActivity>();
}
removed.add(ppa);
}
}
if (removed != null) {
for (int j=0; j<removed.size(); j++) {
PersistentPreferredActivity ppa = removed.get(j);
ppir.removeFilter(ppa);
}
changed = true;
}
}
if (changed) {
scheduleWritePackageRestrictionsLocked(userId);
}
}
}
/**
* Common machinery for picking apart a restored XML blob and passing
* it to a caller-supplied functor to be applied to the running system.
*/
private void restoreFromXml(XmlPullParser parser, int userId,
String expectedStartTag, BlobXmlRestorer functor)
throws IOException, XmlPullParserException {
int type;
while ((type = parser.next()) != XmlPullParser.START_TAG
&& type != XmlPullParser.END_DOCUMENT) {
}
if (type != XmlPullParser.START_TAG) {
// oops didn't find a start tag?!
if (DEBUG_BACKUP) {
Slog.e(TAG, "Didn't find start tag during restore");
}
return;
}
// this is supposed to be TAG_PREFERRED_BACKUP
if (!expectedStartTag.equals(parser.getName())) {
if (DEBUG_BACKUP) {
Slog.e(TAG, "Found unexpected tag " + parser.getName());
}
return;
}
// skip interfering stuff, then we're aligned with the backing implementation
while ((type = parser.next()) == XmlPullParser.TEXT) { }
functor.apply(parser, userId);
}
private interface BlobXmlRestorer {
public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException;
}
/**
* Non-Binder method, support for the backup/restore mechanism: write the
* full set of preferred activities in its canonical XML format. Returns the
* XML output as a byte array, or null if there is none.
*/
@Override
public byte[] getPreferredActivityBackup(int userId) {
if (Binder.getCallingUid() != Process.SYSTEM_UID) {
throw new SecurityException("Only the system may call getPreferredActivityBackup()");
}
ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
try {
final XmlSerializer serializer = new FastXmlSerializer();
serializer.setOutput(dataStream, StandardCharsets.UTF_8.name());
serializer.startDocument(null, true);
serializer.startTag(null, TAG_PREFERRED_BACKUP);
synchronized (mPackages) {
mSettings.writePreferredActivitiesLPr(serializer, userId, true);
}
serializer.endTag(null, TAG_PREFERRED_BACKUP);
serializer.endDocument();
serializer.flush();
} catch (Exception e) {
if (DEBUG_BACKUP) {
Slog.e(TAG, "Unable to write preferred activities for backup", e);
}
return null;
}
return dataStream.toByteArray();
}
@Override
public void restorePreferredActivities(byte[] backup, int userId) {
if (Binder.getCallingUid() != Process.SYSTEM_UID) {
throw new SecurityException("Only the system may call restorePreferredActivities()");
}
try {
final XmlPullParser parser = Xml.newPullParser();
parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name());
restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP,
new BlobXmlRestorer() {
@Override
public void apply(XmlPullParser parser, int userId)
throws XmlPullParserException, IOException {
synchronized (mPackages) {
mSettings.readPreferredActivitiesLPw(parser, userId);
}
}
} );
} catch (Exception e) {
if (DEBUG_BACKUP) {
Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage());
}
}
}
/**
* Non-Binder method, support for the backup/restore mechanism: write the
* default browser (etc) settings in its canonical XML format. Returns the default
* browser XML representation as a byte array, or null if there is none.
*/
@Override
public byte[] getDefaultAppsBackup(int userId) {
if (Binder.getCallingUid() != Process.SYSTEM_UID) {
throw new SecurityException("Only the system may call getDefaultAppsBackup()");
}
ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
try {
final XmlSerializer serializer = new FastXmlSerializer();
serializer.setOutput(dataStream, StandardCharsets.UTF_8.name());
serializer.startDocument(null, true);
serializer.startTag(null, TAG_DEFAULT_APPS);
synchronized (mPackages) {
mSettings.writeDefaultAppsLPr(serializer, userId);
}
serializer.endTag(null, TAG_DEFAULT_APPS);
serializer.endDocument();
serializer.flush();
} catch (Exception e) {
if (DEBUG_BACKUP) {
Slog.e(TAG, "Unable to write default apps for backup", e);
}
return null;
}
return dataStream.toByteArray();
}
@Override
public void restoreDefaultApps(byte[] backup, int userId) {
if (Binder.getCallingUid() != Process.SYSTEM_UID) {
throw new SecurityException("Only the system may call restoreDefaultApps()");
}
try {
final XmlPullParser parser = Xml.newPullParser();
parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name());
restoreFromXml(parser, userId, TAG_DEFAULT_APPS,
new BlobXmlRestorer() {
@Override
public void apply(XmlPullParser parser, int userId)
throws XmlPullParserException, IOException {
synchronized (mPackages) {
mSettings.readDefaultAppsLPw(parser, userId);
}
}
} );
} catch (Exception e) {
if (DEBUG_BACKUP) {
Slog.e(TAG, "Exception restoring default apps: " + e.getMessage());
}
}
}
@Override
public byte[] getIntentFilterVerificationBackup(int userId) {
if (Binder.getCallingUid() != Process.SYSTEM_UID) {
throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()");
}
ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
try {
final XmlSerializer serializer = new FastXmlSerializer();
serializer.setOutput(dataStream, StandardCharsets.UTF_8.name());
serializer.startDocument(null, true);
serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION);
synchronized (mPackages) {
mSettings.writeAllDomainVerificationsLPr(serializer, userId);
}
serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION);
serializer.endDocument();
serializer.flush();
} catch (Exception e) {
if (DEBUG_BACKUP) {
Slog.e(TAG, "Unable to write default apps for backup", e);
}
return null;
}
return dataStream.toByteArray();
}
@Override
public void restoreIntentFilterVerification(byte[] backup, int userId) {
if (Binder.getCallingUid() != Process.SYSTEM_UID) {
throw new SecurityException("Only the system may call restorePreferredActivities()");
}
try {
final XmlPullParser parser = Xml.newPullParser();
parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name());
restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION,
new BlobXmlRestorer() {
@Override
public void apply(XmlPullParser parser, int userId)
throws XmlPullParserException, IOException {
synchronized (mPackages) {
mSettings.readAllDomainVerificationsLPr(parser, userId);
mSettings.writeLPr();
}
}
} );
} catch (Exception e) {
if (DEBUG_BACKUP) {
Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage());
}
}
}
@Override
public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage,
int sourceUserId, int targetUserId, int flags) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
int callingUid = Binder.getCallingUid();
enforceOwnerRights(ownerPackage, callingUid);
enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId);
if (intentFilter.countActions() == 0) {
Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions");
return;
}
synchronized (mPackages) {
CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter,
ownerPackage, targetUserId, flags);
CrossProfileIntentResolver resolver =
mSettings.editCrossProfileIntentResolverLPw(sourceUserId);
ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter);
// We have all those whose filter is equal. Now checking if the rest is equal as well.
if (existing != null) {
int size = existing.size();
for (int i = 0; i < size; i++) {
if (newFilter.equalsIgnoreFilter(existing.get(i))) {
return;
}
}
}
resolver.addFilter(newFilter);
scheduleWritePackageRestrictionsLocked(sourceUserId);
}
}
@Override
public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
int callingUid = Binder.getCallingUid();
enforceOwnerRights(ownerPackage, callingUid);
enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId);
synchronized (mPackages) {
CrossProfileIntentResolver resolver =
mSettings.editCrossProfileIntentResolverLPw(sourceUserId);
ArraySet<CrossProfileIntentFilter> set =
new ArraySet<CrossProfileIntentFilter>(resolver.filterSet());
for (CrossProfileIntentFilter filter : set) {
if (filter.getOwnerPackage().equals(ownerPackage)) {
resolver.removeFilter(filter);
}
}
scheduleWritePackageRestrictionsLocked(sourceUserId);
}
}
// Enforcing that callingUid is owning pkg on userId
private void enforceOwnerRights(String pkg, int callingUid) {
// The system owns everything.
if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) {
return;
}
int callingUserId = UserHandle.getUserId(callingUid);
PackageInfo pi = getPackageInfo(pkg, 0, callingUserId);
if (pi == null) {
throw new IllegalArgumentException("Unknown package " + pkg + " on user "
+ callingUserId);
}
if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) {
throw new SecurityException("Calling uid " + callingUid
+ " does not own package " + pkg);
}
}
@Override
public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
final int callingUserId = UserHandle.getCallingUserId();
List<ResolveInfo> list = queryIntentActivities(intent, null,
PackageManager.GET_META_DATA, callingUserId);
ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0,
true, false, false, callingUserId);
allHomeCandidates.clear();
if (list != null) {
for (ResolveInfo ri : list) {
allHomeCandidates.add(ri);
}
}
return (preferred == null || preferred.activityInfo == null)
? null
: new ComponentName(preferred.activityInfo.packageName,
preferred.activityInfo.name);
}
@Override
public void setApplicationEnabledSetting(String appPackageName,
int newState, int flags, int userId, String callingPackage) {
if (!sUserManager.exists(userId)) return;
if (callingPackage == null) {
callingPackage = Integer.toString(Binder.getCallingUid());
}
setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage);
}
@Override
public void setComponentEnabledSetting(ComponentName componentName,
int newState, int flags, int userId) {
if (!sUserManager.exists(userId)) return;
setEnabledSetting(componentName.getPackageName(),
componentName.getClassName(), newState, flags, userId, null);
}
private void setEnabledSetting(final String packageName, String className, int newState,
final int flags, int userId, String callingPackage) {
if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT
|| newState == COMPONENT_ENABLED_STATE_ENABLED
|| newState == COMPONENT_ENABLED_STATE_DISABLED
|| newState == COMPONENT_ENABLED_STATE_DISABLED_USER
|| newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) {
throw new IllegalArgumentException("Invalid new component state: "
+ newState);
}
PackageSetting pkgSetting;
final int uid = Binder.getCallingUid();
final int permission = mContext.checkCallingOrSelfPermission(
android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
enforceCrossUserPermission(uid, userId, false, true, "set enabled");
final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
boolean sendNow = false;
boolean isApp = (className == null);
String componentName = isApp ? packageName : className;
int packageUid = -1;
ArrayList<String> components;
// writer
synchronized (mPackages) {
pkgSetting = mSettings.mPackages.get(packageName);
if (pkgSetting == null) {
if (className == null) {
throw new IllegalArgumentException(
"Unknown package: " + packageName);
}
throw new IllegalArgumentException(
"Unknown component: " + packageName
+ "/" + className);
}
// Allow root and verify that userId is not being specified by a different user
if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) {
throw new SecurityException(
"Permission Denial: attempt to change component state from pid="
+ Binder.getCallingPid()
+ ", uid=" + uid + ", package uid=" + pkgSetting.appId);
}
if (className == null) {
// We're dealing with an application/package level state change
if (pkgSetting.getEnabled(userId) == newState) {
// Nothing to do
return;
}
if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT
|| newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {
// Don't care about who enables an app.
callingPackage = null;
}
pkgSetting.setEnabled(newState, userId, callingPackage);
// pkgSetting.pkg.mSetEnabled = newState;
} else {
// We're dealing with a component level state change
// First, verify that this is a valid class name.
PackageParser.Package pkg = pkgSetting.pkg;
if (pkg == null || !pkg.hasComponentClassName(className)) {
if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) {
throw new IllegalArgumentException("Component class " + className
+ " does not exist in " + packageName);
} else {
Slog.w(TAG, "Failed setComponentEnabledSetting: component class "
+ className + " does not exist in " + packageName);
}
}
switch (newState) {
case COMPONENT_ENABLED_STATE_ENABLED:
if (!pkgSetting.enableComponentLPw(className, userId)) {
return;
}
break;
case COMPONENT_ENABLED_STATE_DISABLED:
if (!pkgSetting.disableComponentLPw(className, userId)) {
return;
}
break;
case COMPONENT_ENABLED_STATE_DEFAULT:
if (!pkgSetting.restoreComponentLPw(className, userId)) {
return;
}
break;
default:
Slog.e(TAG, "Invalid new component state: " + newState);
return;
}
}
scheduleWritePackageRestrictionsLocked(userId);
components = mPendingBroadcasts.get(userId, packageName);
final boolean newPackage = components == null;
if (newPackage) {
components = new ArrayList<String>();
}
if (!components.contains(componentName)) {
components.add(componentName);
}
if ((flags&PackageManager.DONT_KILL_APP) == 0) {
sendNow = true;
// Purge entry from pending broadcast list if another one exists already
// since we are sending one right away.
mPendingBroadcasts.remove(userId, packageName);
} else {
if (newPackage) {
mPendingBroadcasts.put(userId, packageName, components);
}
if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) {
// Schedule a message
mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY);
}
}
}
long callingId = Binder.clearCallingIdentity();
try {
if (sendNow) {
packageUid = UserHandle.getUid(userId, pkgSetting.appId);
sendPackageChangedBroadcast(packageName,
(flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid);
}
} finally {
Binder.restoreCallingIdentity(callingId);
}
}
private void sendPackageChangedBroadcast(String packageName,
boolean killFlag, ArrayList<String> componentNames, int packageUid) {
if (DEBUG_INSTALL)
Log.v(TAG, "Sending package changed: package=" + packageName + " components="
+ componentNames);
Bundle extras = new Bundle(4);
extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0));
String nameList[] = new String[componentNames.size()];
componentNames.toArray(nameList);
extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList);
extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag);
extras.putInt(Intent.EXTRA_UID, packageUid);
sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null,
new int[] {UserHandle.getUserId(packageUid)});
}
@Override
public void setPackageStoppedState(String packageName, boolean stopped, int userId) {
if (!sUserManager.exists(userId)) return;
final int uid = Binder.getCallingUid();
final int permission = mContext.checkCallingOrSelfPermission(
android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
enforceCrossUserPermission(uid, userId, true, true, "stop package");
// writer
synchronized (mPackages) {
if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped,
allowedByPermission, uid, userId)) {
scheduleWritePackageRestrictionsLocked(userId);
}
}
}
@Override
public String getInstallerPackageName(String packageName) {
// reader
synchronized (mPackages) {
return mSettings.getInstallerPackageNameLPr(packageName);
}
}
@Override
public int getApplicationEnabledSetting(String packageName, int userId) {
if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
int uid = Binder.getCallingUid();
enforceCrossUserPermission(uid, userId, false, false, "get enabled");
// reader
synchronized (mPackages) {
return mSettings.getApplicationEnabledSettingLPr(packageName, userId);
}
}
@Override
public int getComponentEnabledSetting(ComponentName componentName, int userId) {
if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
int uid = Binder.getCallingUid();
enforceCrossUserPermission(uid, userId, false, false, "get component enabled");
// reader
synchronized (mPackages) {
return mSettings.getComponentEnabledSettingLPr(componentName, userId);
}
}
@Override
public void enterSafeMode() {
enforceSystemOrRoot("Only the system can request entering safe mode");
if (!mSystemReady) {
mSafeMode = true;
}
}
@Override
public void systemReady() {
mSystemReady = true;
// Read the compatibilty setting when the system is ready.
boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt(
mContext.getContentResolver(),
android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1;
PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled);
if (DEBUG_SETTINGS) {
Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled);
}
int[] grantPermissionsUserIds = EMPTY_INT_ARRAY;
synchronized (mPackages) {
// Verify that all of the preferred activity components actually
// exist. It is possible for applications to be updated and at
// that point remove a previously declared activity component that
// had been set as a preferred activity. We try to clean this up
// the next time we encounter that preferred activity, but it is
// possible for the user flow to never be able to return to that
// situation so here we do a sanity check to make sure we haven't
// left any junk around.
ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>();
for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
removed.clear();
for (PreferredActivity pa : pir.filterSet()) {
if (mActivities.mActivities.get(pa.mPref.mComponent) == null) {
removed.add(pa);
}
}
if (removed.size() > 0) {
for (int r=0; r<removed.size(); r++) {
PreferredActivity pa = removed.get(r);
Slog.w(TAG, "Removing dangling preferred activity: "
+ pa.mPref.mComponent);
pir.removeFilter(pa);
}
mSettings.writePackageRestrictionsLPr(
mSettings.mPreferredActivities.keyAt(i));
}
}
for (int userId : UserManagerService.getInstance().getUserIds()) {
if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) {
grantPermissionsUserIds = ArrayUtils.appendInt(
grantPermissionsUserIds, userId);
}
}
}
sUserManager.systemReady();
// If we upgraded grant all default permissions before kicking off.
for (int userId : grantPermissionsUserIds) {
mDefaultPermissionPolicy.grantDefaultPermissions(userId);
}
// Kick off any messages waiting for system ready
if (mPostSystemReadyMessages != null) {
for (Message msg : mPostSystemReadyMessages) {
msg.sendToTarget();
}
mPostSystemReadyMessages = null;
}
// Watch for external volumes that come and go over time
final StorageManager storage = mContext.getSystemService(StorageManager.class);
storage.registerListener(mStorageListener);
mInstallerService.systemReady();
mPackageDexOptimizer.systemReady();
MountServiceInternal mountServiceInternal = LocalServices.getService(
MountServiceInternal.class);
mountServiceInternal.addExternalStoragePolicy(
new MountServiceInternal.ExternalStorageMountPolicy() {
@Override
public int getMountMode(int uid, String packageName) {
if (Process.isIsolated(uid)) {
return Zygote.MOUNT_EXTERNAL_NONE;
}
if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) {
return Zygote.MOUNT_EXTERNAL_DEFAULT;
}
if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) {
return Zygote.MOUNT_EXTERNAL_DEFAULT;
}
if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) {
return Zygote.MOUNT_EXTERNAL_READ;
}
return Zygote.MOUNT_EXTERNAL_WRITE;
}
@Override
public boolean hasExternalStorage(int uid, String packageName) {
return true;
}
});
}
@Override
public boolean isSafeMode() {
return mSafeMode;
}
@Override
public boolean hasSystemUidErrors() {
return mHasSystemUidErrors;
}
static String arrayToString(int[] array) {
StringBuffer buf = new StringBuffer(128);
buf.append('[');
if (array != null) {
for (int i=0; i<array.length; i++) {
if (i > 0) buf.append(", ");
buf.append(array[i]);
}
}
buf.append(']');
return buf.toString();
}
static class DumpState {
public static final int DUMP_LIBS = 1 << 0;
public static final int DUMP_FEATURES = 1 << 1;
public static final int DUMP_RESOLVERS = 1 << 2;
public static final int DUMP_PERMISSIONS = 1 << 3;
public static final int DUMP_PACKAGES = 1 << 4;
public static final int DUMP_SHARED_USERS = 1 << 5;
public static final int DUMP_MESSAGES = 1 << 6;
public static final int DUMP_PROVIDERS = 1 << 7;
public static final int DUMP_VERIFIERS = 1 << 8;
public static final int DUMP_PREFERRED = 1 << 9;
public static final int DUMP_PREFERRED_XML = 1 << 10;
public static final int DUMP_KEYSETS = 1 << 11;
public static final int DUMP_VERSION = 1 << 12;
public static final int DUMP_INSTALLS = 1 << 13;
public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14;
public static final int DUMP_DOMAIN_PREFERRED = 1 << 15;
public static final int OPTION_SHOW_FILTERS = 1 << 0;
private int mTypes;
private int mOptions;
private boolean mTitlePrinted;
private SharedUserSetting mSharedUser;
public boolean isDumping(int type) {
if (mTypes == 0 && type != DUMP_PREFERRED_XML) {
return true;
}
return (mTypes & type) != 0;
}
public void setDump(int type) {
mTypes |= type;
}
public boolean isOptionEnabled(int option) {
return (mOptions & option) != 0;
}
public void setOptionEnabled(int option) {
mOptions |= option;
}
public boolean onTitlePrinted() {
final boolean printed = mTitlePrinted;
mTitlePrinted = true;
return printed;
}
public boolean getTitlePrinted() {
return mTitlePrinted;
}
public void setTitlePrinted(boolean enabled) {
mTitlePrinted = enabled;
}
public SharedUserSetting getSharedUser() {
return mSharedUser;
}
public void setSharedUser(SharedUserSetting user) {
mSharedUser = user;
}
}
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
!= PackageManager.PERMISSION_GRANTED) {
pw.println("Permission Denial: can't dump ActivityManager from from pid="
+ Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid()
+ " without permission "
+ android.Manifest.permission.DUMP);
return;
}
DumpState dumpState = new DumpState();
boolean fullPreferred = false;
boolean checkin = false;
String packageName = null;
ArraySet<String> permissionNames = null;
int opti = 0;
while (opti < args.length) {
String opt = args[opti];
if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') {
break;
}
opti++;
if ("-a".equals(opt)) {
// Right now we only know how to print all.
} else if ("-h".equals(opt)) {
pw.println("Package manager dump options:");
pw.println(" [-h] [-f] [--checkin] [cmd] ...");
pw.println(" --checkin: dump for a checkin");
pw.println(" -f: print details of intent filters");
pw.println(" -h: print this help");
pw.println(" cmd may be one of:");
pw.println(" l[ibraries]: list known shared libraries");
pw.println(" f[ibraries]: list device features");
pw.println(" k[eysets]: print known keysets");
pw.println(" r[esolvers]: dump intent resolvers");
pw.println(" perm[issions]: dump permissions");
pw.println(" permission [name ...]: dump declaration and use of given permission");
pw.println(" pref[erred]: print preferred package settings");
pw.println(" preferred-xml [--full]: print preferred package settings as xml");
pw.println(" prov[iders]: dump content providers");
pw.println(" p[ackages]: dump installed packages");
pw.println(" s[hared-users]: dump shared user IDs");
pw.println(" m[essages]: print collected runtime messages");
pw.println(" v[erifiers]: print package verifier info");
pw.println(" d[omain-preferred-apps]: print domains preferred apps");
pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info");
pw.println(" version: print database version info");
pw.println(" write: write current settings now");
pw.println(" installs: details about install sessions");
pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?");
pw.println(" <package.name>: info about given package");
return;
} else if ("--checkin".equals(opt)) {
checkin = true;
} else if ("-f".equals(opt)) {
dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
} else {
pw.println("Unknown argument: " + opt + "; use -h for help");
}
}
// Is the caller requesting to dump a particular piece of data?
if (opti < args.length) {
String cmd = args[opti];
opti++;
// Is this a package name?
if ("android".equals(cmd) || cmd.contains(".")) {
packageName = cmd;
// When dumping a single package, we always dump all of its
// filter information since the amount of data will be reasonable.
dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
} else if ("check-permission".equals(cmd)) {
if (opti >= args.length) {
pw.println("Error: check-permission missing permission argument");
return;
}
String perm = args[opti];
opti++;
if (opti >= args.length) {
pw.println("Error: check-permission missing package argument");
return;
}
String pkg = args[opti];
opti++;
int user = UserHandle.getUserId(Binder.getCallingUid());
if (opti < args.length) {
try {
user = Integer.parseInt(args[opti]);
} catch (NumberFormatException e) {
pw.println("Error: check-permission user argument is not a number: "
+ args[opti]);
return;
}
}
pw.println(checkPermission(perm, pkg, user));
return;
} else if ("l".equals(cmd) || "libraries".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_LIBS);
} else if ("f".equals(cmd) || "features".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_FEATURES);
} else if ("r".equals(cmd) || "resolvers".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_RESOLVERS);
} else if ("perm".equals(cmd) || "permissions".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_PERMISSIONS);
} else if ("permission".equals(cmd)) {
if (opti >= args.length) {
pw.println("Error: permission requires permission name");
return;
}
permissionNames = new ArraySet<>();
while (opti < args.length) {
permissionNames.add(args[opti]);
opti++;
}
dumpState.setDump(DumpState.DUMP_PERMISSIONS
| DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS);
} else if ("pref".equals(cmd) || "preferred".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_PREFERRED);
} else if ("preferred-xml".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_PREFERRED_XML);
if (opti < args.length && "--full".equals(args[opti])) {
fullPreferred = true;
opti++;
}
} else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED);
} else if ("p".equals(cmd) || "packages".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_PACKAGES);
} else if ("s".equals(cmd) || "shared-users".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_SHARED_USERS);
} else if ("prov".equals(cmd) || "providers".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_PROVIDERS);
} else if ("m".equals(cmd) || "messages".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_MESSAGES);
} else if ("v".equals(cmd) || "verifiers".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_VERIFIERS);
} else if ("i".equals(cmd) || "ifv".equals(cmd)
|| "intent-filter-verifiers".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS);
} else if ("version".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_VERSION);
} else if ("k".equals(cmd) || "keysets".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_KEYSETS);
} else if ("installs".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_INSTALLS);
} else if ("write".equals(cmd)) {
synchronized (mPackages) {
mSettings.writeLPr();
pw.println("Settings written.");
return;
}
}
}
if (checkin) {
pw.println("vers,1");
}
// reader
synchronized (mPackages) {
if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) {
if (!checkin) {
if (dumpState.onTitlePrinted())
pw.println();
pw.println("Database versions:");
mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " "));
}
}
if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) {
if (!checkin) {
if (dumpState.onTitlePrinted())
pw.println();
pw.println("Verifiers:");
pw.print(" Required: ");
pw.print(mRequiredVerifierPackage);
pw.print(" (uid=");
pw.print(getPackageUid(mRequiredVerifierPackage, 0));
pw.println(")");
} else if (mRequiredVerifierPackage != null) {
pw.print("vrfy,"); pw.print(mRequiredVerifierPackage);
pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0));
}
}
if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) &&
packageName == null) {
if (mIntentFilterVerifierComponent != null) {
String verifierPackageName = mIntentFilterVerifierComponent.getPackageName();
if (!checkin) {
if (dumpState.onTitlePrinted())
pw.println();
pw.println("Intent Filter Verifier:");
pw.print(" Using: ");
pw.print(verifierPackageName);
pw.print(" (uid=");
pw.print(getPackageUid(verifierPackageName, 0));
pw.println(")");
} else if (verifierPackageName != null) {
pw.print("ifv,"); pw.print(verifierPackageName);
pw.print(","); pw.println(getPackageUid(verifierPackageName, 0));
}
} else {
pw.println();
pw.println("No Intent Filter Verifier available!");
}
}
if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) {
boolean printedHeader = false;
final Iterator<String> it = mSharedLibraries.keySet().iterator();
while (it.hasNext()) {
String name = it.next();
SharedLibraryEntry ent = mSharedLibraries.get(name);
if (!checkin) {
if (!printedHeader) {
if (dumpState.onTitlePrinted())
pw.println();
pw.println("Libraries:");
printedHeader = true;
}
pw.print(" ");
} else {
pw.print("lib,");
}
pw.print(name);
if (!checkin) {
pw.print(" -> ");
}
if (ent.path != null) {
if (!checkin) {
pw.print("(jar) ");
pw.print(ent.path);
} else {
pw.print(",jar,");
pw.print(ent.path);
}
} else {
if (!checkin) {
pw.print("(apk) ");
pw.print(ent.apk);
} else {
pw.print(",apk,");
pw.print(ent.apk);
}
}
pw.println();
}
}
if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) {
if (dumpState.onTitlePrinted())
pw.println();
if (!checkin) {
pw.println("Features:");
}
Iterator<String> it = mAvailableFeatures.keySet().iterator();
while (it.hasNext()) {
String name = it.next();
if (!checkin) {
pw.print(" ");
} else {
pw.print("feat,");
}
pw.println(name);
}
}
if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) {
if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:"
: "Activity Resolver Table:", " ", packageName,
dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
dumpState.setTitlePrinted(true);
}
if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:"
: "Receiver Resolver Table:", " ", packageName,
dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
dumpState.setTitlePrinted(true);
}
if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:"
: "Service Resolver Table:", " ", packageName,
dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
dumpState.setTitlePrinted(true);
}
if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:"
: "Provider Resolver Table:", " ", packageName,
dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
dumpState.setTitlePrinted(true);
}
}
if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) {
for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
int user = mSettings.mPreferredActivities.keyAt(i);
if (pir.dump(pw,
dumpState.getTitlePrinted()
? "\nPreferred Activities User " + user + ":"
: "Preferred Activities User " + user + ":", " ",
packageName, true, false)) {
dumpState.setTitlePrinted(true);
}
}
}
if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) {
pw.flush();
FileOutputStream fout = new FileOutputStream(fd);
BufferedOutputStream str = new BufferedOutputStream(fout);
XmlSerializer serializer = new FastXmlSerializer();
try {
serializer.setOutput(str, StandardCharsets.UTF_8.name());
serializer.startDocument(null, true);
serializer.setFeature(
"http://xmlpull.org/v1/doc/features.html#indent-output", true);
mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred);
serializer.endDocument();
serializer.flush();
} catch (IllegalArgumentException e) {
pw.println("Failed writing: " + e);
} catch (IllegalStateException e) {
pw.println("Failed writing: " + e);
} catch (IOException e) {
pw.println("Failed writing: " + e);
}
}
if (!checkin
&& dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED)
&& packageName == null) {
pw.println();
int count = mSettings.mPackages.size();
if (count == 0) {
pw.println("No applications!");
pw.println();
} else {
final String prefix = " ";
Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values();
if (allPackageSettings.size() == 0) {
pw.println("No domain preferred apps!");
pw.println();
} else {
pw.println("App verification status:");
pw.println();
count = 0;
for (PackageSetting ps : allPackageSettings) {
IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo();
if (ivi == null || ivi.getPackageName() == null) continue;
pw.println(prefix + "Package: " + ivi.getPackageName());
pw.println(prefix + "Domains: " + ivi.getDomainsString());
pw.println(prefix + "Status: " + ivi.getStatusString());
pw.println();
count++;
}
if (count == 0) {
pw.println(prefix + "No app verification established.");
pw.println();
}
for (int userId : sUserManager.getUserIds()) {
pw.println("App linkages for user " + userId + ":");
pw.println();
count = 0;
for (PackageSetting ps : allPackageSettings) {
final long status = ps.getDomainVerificationStatusForUser(userId);
if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) {
continue;
}
pw.println(prefix + "Package: " + ps.name);
pw.println(prefix + "Domains: " + dumpDomainString(ps.name));
String statusStr = IntentFilterVerificationInfo.
getStatusStringFromValue(status);
pw.println(prefix + "Status: " + statusStr);
pw.println();
count++;
}
if (count == 0) {
pw.println(prefix + "No configured app linkages.");
pw.println();
}
}
}
}
}
if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) {
mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState);
if (packageName == null && permissionNames == null) {
for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) {
if (iperm == 0) {
if (dumpState.onTitlePrinted())
pw.println();
pw.println("AppOp Permissions:");
}
pw.print(" AppOp Permission ");
pw.print(mAppOpPermissionPackages.keyAt(iperm));
pw.println(":");
ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm);
for (int ipkg=0; ipkg<pkgs.size(); ipkg++) {
pw.print(" "); pw.println(pkgs.valueAt(ipkg));
}
}
}
}
if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) {
boolean printedSomething = false;
for (PackageParser.Provider p : mProviders.mProviders.values()) {
if (packageName != null && !packageName.equals(p.info.packageName)) {
continue;
}
if (!printedSomething) {
if (dumpState.onTitlePrinted())
pw.println();
pw.println("Registered ContentProviders:");
printedSomething = true;
}
pw.print(" "); p.printComponentShortName(pw); pw.println(":");
pw.print(" "); pw.println(p.toString());
}
printedSomething = false;
for (Map.Entry<String, PackageParser.Provider> entry :
mProvidersByAuthority.entrySet()) {
PackageParser.Provider p = entry.getValue();
if (packageName != null && !packageName.equals(p.info.packageName)) {
continue;
}
if (!printedSomething) {
if (dumpState.onTitlePrinted())
pw.println();
pw.println("ContentProvider Authorities:");
printedSomething = true;
}
pw.print(" ["); pw.print(entry.getKey()); pw.println("]:");
pw.print(" "); pw.println(p.toString());
if (p.info != null && p.info.applicationInfo != null) {
final String appInfo = p.info.applicationInfo.toString();
pw.print(" applicationInfo="); pw.println(appInfo);
}
}
}
if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) {
mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState);
}
if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) {
mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin);
}
if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) {
mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin);
}
if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) {
// XXX should handle packageName != null by dumping only install data that
// the given package is involved with.
if (dumpState.onTitlePrinted()) pw.println();
mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120));
}
if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) {
if (dumpState.onTitlePrinted()) pw.println();
mSettings.dumpReadMessagesLPr(pw, dumpState);
pw.println();
pw.println("Package warning messages:");
BufferedReader in = null;
String line = null;
try {
in = new BufferedReader(new FileReader(getSettingsProblemFile()));
while ((line = in.readLine()) != null) {
if (line.contains("ignored: updated version")) continue;
pw.println(line);
}
} catch (IOException ignored) {
} finally {
IoUtils.closeQuietly(in);
}
}
if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) {
BufferedReader in = null;
String line = null;
try {
in = new BufferedReader(new FileReader(getSettingsProblemFile()));
while ((line = in.readLine()) != null) {
if (line.contains("ignored: updated version")) continue;
pw.print("msg,");
pw.println(line);
}
} catch (IOException ignored) {
} finally {
IoUtils.closeQuietly(in);
}
}
}
}
private String dumpDomainString(String packageName) {
List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName);
List<IntentFilter> filters = getAllIntentFilters(packageName);
ArraySet<String> result = new ArraySet<>();
if (iviList.size() > 0) {
for (IntentFilterVerificationInfo ivi : iviList) {
for (String host : ivi.getDomains()) {
result.add(host);
}
}
}
if (filters != null && filters.size() > 0) {
for (IntentFilter filter : filters) {
if (filter.hasCategory(Intent.CATEGORY_BROWSABLE)
&& (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) ||
filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) {
result.addAll(filter.getHostsList());
}
}
}
StringBuilder sb = new StringBuilder(result.size() * 16);
for (String domain : result) {
if (sb.length() > 0) sb.append(" ");
sb.append(domain);
}
return sb.toString();
}
// ------- apps on sdcard specific code -------
static final boolean DEBUG_SD_INSTALL = false;
private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD";
private static final String SD_ENCRYPTION_ALGORITHM = "AES";
private boolean mMediaMounted = false;
static String getEncryptKey() {
try {
String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString(
SD_ENCRYPTION_KEYSTORE_NAME);
if (sdEncKey == null) {
sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128,
SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME);
if (sdEncKey == null) {
Slog.e(TAG, "Failed to create encryption keys");
return null;
}
}
return sdEncKey;
} catch (NoSuchAlgorithmException nsae) {
Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae);
return null;
} catch (IOException ioe) {
Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe);
return null;
}
}
/*
* Update media status on PackageManager.
*/
@Override
public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) {
int callingUid = Binder.getCallingUid();
if (callingUid != 0 && callingUid != Process.SYSTEM_UID) {
throw new SecurityException("Media status can only be updated by the system");
}
// reader; this apparently protects mMediaMounted, but should probably
// be a different lock in that case.
synchronized (mPackages) {
Log.i(TAG, "Updating external media status from "
+ (mMediaMounted ? "mounted" : "unmounted") + " to "
+ (mediaStatus ? "mounted" : "unmounted"));
if (DEBUG_SD_INSTALL)
Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus
+ ", mMediaMounted=" + mMediaMounted);
if (mediaStatus == mMediaMounted) {
final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1
: 0, -1);
mHandler.sendMessage(msg);
return;
}
mMediaMounted = mediaStatus;
}
// Queue up an async operation since the package installation may take a
// little while.
mHandler.post(new Runnable() {
public void run() {
updateExternalMediaStatusInner(mediaStatus, reportStatus, true);
}
});
}
/**
* Called by MountService when the initial ASECs to scan are available.
* Should block until all the ASEC containers are finished being scanned.
*/
public void scanAvailableAsecs() {
updateExternalMediaStatusInner(true, false, false);
if (mShouldRestoreconData) {
SELinuxMMAC.setRestoreconDone();
mShouldRestoreconData = false;
}
}
/*
* Collect information of applications on external media, map them against
* existing containers and update information based on current mount status.
* Please note that we always have to report status if reportStatus has been
* set to true especially when unloading packages.
*/
private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus,
boolean externalStorage) {
ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>();
int[] uidArr = EmptyArray.INT;
final String[] list = PackageHelper.getSecureContainerList();
if (ArrayUtils.isEmpty(list)) {
Log.i(TAG, "No secure containers found");
} else {
// Process list of secure containers and categorize them
// as active or stale based on their package internal state.
// reader
synchronized (mPackages) {
for (String cid : list) {
// Leave stages untouched for now; installer service owns them
if (PackageInstallerService.isStageName(cid)) continue;
if (DEBUG_SD_INSTALL)
Log.i(TAG, "Processing container " + cid);
String pkgName = getAsecPackageName(cid);
if (pkgName == null) {
Slog.i(TAG, "Found stale container " + cid + " with no package name");
continue;
}
if (DEBUG_SD_INSTALL)
Log.i(TAG, "Looking for pkg : " + pkgName);
final PackageSetting ps = mSettings.mPackages.get(pkgName);
if (ps == null) {
Slog.i(TAG, "Found stale container " + cid + " with no matching settings");
continue;
}
/*
* Skip packages that are not external if we're unmounting
* external storage.
*/
if (externalStorage && !isMounted && !isExternal(ps)) {
continue;
}
final AsecInstallArgs args = new AsecInstallArgs(cid,
getAppDexInstructionSets(ps), ps.isForwardLocked());
// The package status is changed only if the code path
// matches between settings and the container id.
if (ps.codePathString != null
&& ps.codePathString.startsWith(args.getCodePath())) {
if (DEBUG_SD_INSTALL) {
Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName
+ " at code path: " + ps.codePathString);
}
// We do have a valid package installed on sdcard
processCids.put(args, ps.codePathString);
final int uid = ps.appId;
if (uid != -1) {
uidArr = ArrayUtils.appendInt(uidArr, uid);
}
} else {
Slog.i(TAG, "Found stale container " + cid + ": expected codePath="
+ ps.codePathString);
}
}
}
Arrays.sort(uidArr);
}
// Process packages with valid entries.
if (isMounted) {
if (DEBUG_SD_INSTALL)
Log.i(TAG, "Loading packages");
loadMediaPackages(processCids, uidArr, externalStorage);
startCleaningPackages();
mInstallerService.onSecureContainersAvailable();
} else {
if (DEBUG_SD_INSTALL)
Log.i(TAG, "Unloading packages");
unloadMediaPackages(processCids, uidArr, reportStatus);
}
}
private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) {
final int size = infos.size();
final String[] packageNames = new String[size];
final int[] packageUids = new int[size];
for (int i = 0; i < size; i++) {
final ApplicationInfo info = infos.get(i);
packageNames[i] = info.packageName;
packageUids[i] = info.uid;
}
sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids,
finishedReceiver);
}
private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
sendResourcesChangedBroadcast(mediaStatus, replacing,
pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver);
}
private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
int size = pkgList.length;
if (size > 0) {
// Send broadcasts here
Bundle extras = new Bundle();
extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList);
if (uidArr != null) {
extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr);
}
if (replacing) {
extras.putBoolean(Intent.EXTRA_REPLACING, replacing);
}
String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE
: Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE;
sendPackageBroadcast(action, null, extras, null, finishedReceiver, null);
}
}
/*
* Look at potentially valid container ids from processCids If package
* information doesn't match the one on record or package scanning fails,
* the cid is added to list of removeCids. We currently don't delete stale
* containers.
*/
private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr,
boolean externalStorage) {
ArrayList<String> pkgList = new ArrayList<String>();
Set<AsecInstallArgs> keys = processCids.keySet();
for (AsecInstallArgs args : keys) {
String codePath = processCids.get(args);
if (DEBUG_SD_INSTALL)
Log.i(TAG, "Loading container : " + args.cid);
int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
try {
// Make sure there are no container errors first.
if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) {
Slog.e(TAG, "Failed to mount cid : " + args.cid
+ " when installing from sdcard");
continue;
}
// Check code path here.
if (codePath == null || !codePath.startsWith(args.getCodePath())) {
Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath()
+ " does not match one in settings " + codePath);
continue;
}
// Parse package
int parseFlags = mDefParseFlags;
if (args.isExternalAsec()) {
parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE;
}
if (args.isFwdLocked()) {
parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
}
synchronized (mInstallLock) {
PackageParser.Package pkg = null;
try {
pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null);
} catch (PackageManagerException e) {
Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage());
}
// Scan the package
if (pkg != null) {
/*
* TODO why is the lock being held? doPostInstall is
* called in other places without the lock. This needs
* to be straightened out.
*/
// writer
synchronized (mPackages) {
retCode = PackageManager.INSTALL_SUCCEEDED;
pkgList.add(pkg.packageName);
// Post process args
args.doPostInstall(PackageManager.INSTALL_SUCCEEDED,
pkg.applicationInfo.uid);
}
} else {
Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard");
}
}
} finally {
if (retCode != PackageManager.INSTALL_SUCCEEDED) {
Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode);
}
}
}
// writer
synchronized (mPackages) {
// If the platform SDK has changed since the last time we booted,
// we need to re-grant app permission to catch any new ones that
// appear. This is really a hack, and means that apps can in some
// cases get permissions that the user didn't initially explicitly
// allow... it would be nice to have some better way to handle
// this situation.
final VersionInfo ver = externalStorage ? mSettings.getExternalVersion()
: mSettings.getInternalVersion();
final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL
: StorageManager.UUID_PRIVATE_INTERNAL;
int updateFlags = UPDATE_PERMISSIONS_ALL;
if (ver.sdkVersion != mSdkVersion) {
logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to "
+ mSdkVersion + "; regranting permissions for external");
updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL;
}
updatePermissionsLPw(null, null, volumeUuid, updateFlags);
// Yay, everything is now upgraded
ver.forceCurrent();
// can downgrade to reader
// Persist settings
mSettings.writeLPr();
}
// Send a broadcast to let everyone know we are done processing
if (pkgList.size() > 0) {
sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null);
}
}
/*
* Utility method to unload a list of specified containers
*/
private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) {
// Just unmount all valid containers.
for (AsecInstallArgs arg : cidArgs) {
synchronized (mInstallLock) {
arg.doPostDeleteLI(false);
}
}
}
/*
* Unload packages mounted on external media. This involves deleting package
* data from internal structures, sending broadcasts about diabled packages,
* gc'ing to free up references, unmounting all secure containers
* corresponding to packages on external media, and posting a
* UPDATED_MEDIA_STATUS message if status has been requested. Please note
* that we always have to post this message if status has been requested no
* matter what.
*/
private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[],
final boolean reportStatus) {
if (DEBUG_SD_INSTALL)
Log.i(TAG, "unloading media packages");
ArrayList<String> pkgList = new ArrayList<String>();
ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>();
final Set<AsecInstallArgs> keys = processCids.keySet();
for (AsecInstallArgs args : keys) {
String pkgName = args.getPackageName();
if (DEBUG_SD_INSTALL)
Log.i(TAG, "Trying to unload pkg : " + pkgName);
// Delete package internally
PackageRemovedInfo outInfo = new PackageRemovedInfo();
synchronized (mInstallLock) {
boolean res = deletePackageLI(pkgName, null, false, null, null,
PackageManager.DELETE_KEEP_DATA, outInfo, false);
if (res) {
pkgList.add(pkgName);
} else {
Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName);
failedList.add(args);
}
}
}
// reader
synchronized (mPackages) {
// We didn't update the settings after removing each package;
// write them now for all packages.
mSettings.writeLPr();
}
// We have to absolutely send UPDATED_MEDIA_STATUS only
// after confirming that all the receivers processed the ordered
// broadcast when packages get disabled, force a gc to clean things up.
// and unload all the containers.
if (pkgList.size() > 0) {
sendResourcesChangedBroadcast(false, false, pkgList, uidArr,
new IIntentReceiver.Stub() {
public void performReceive(Intent intent, int resultCode, String data,
Bundle extras, boolean ordered, boolean sticky,
int sendingUser) throws RemoteException {
Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
reportStatus ? 1 : 0, 1, keys);
mHandler.sendMessage(msg);
}
});
} else {
Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1,
keys);
mHandler.sendMessage(msg);
}
}
private void loadPrivatePackages(final VolumeInfo vol) {
mHandler.post(new Runnable() {
@Override
public void run() {
loadPrivatePackagesInner(vol);
}
});
}
private void loadPrivatePackagesInner(VolumeInfo vol) {
final ArrayList<ApplicationInfo> loaded = new ArrayList<>();
final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE;
final VersionInfo ver;
final List<PackageSetting> packages;
synchronized (mPackages) {
ver = mSettings.findOrCreateVersion(vol.fsUuid);
packages = mSettings.getVolumePackagesLPr(vol.fsUuid);
}
for (PackageSetting ps : packages) {
synchronized (mInstallLock) {
final PackageParser.Package pkg;
try {
pkg = scanPackageLI(ps.codePath, parseFlags, SCAN_INITIAL, 0L, null);
loaded.add(pkg.applicationInfo);
} catch (PackageManagerException e) {
Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage());
}
if (!Build.FINGERPRINT.equals(ver.fingerprint)) {
deleteCodeCacheDirsLI(ps.volumeUuid, ps.name);
}
}
}
synchronized (mPackages) {
int updateFlags = UPDATE_PERMISSIONS_ALL;
if (ver.sdkVersion != mSdkVersion) {
logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to "
+ mSdkVersion + "; regranting permissions for " + vol.fsUuid);
updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL;
}
updatePermissionsLPw(null, null, vol.fsUuid, updateFlags);
// Yay, everything is now upgraded
ver.forceCurrent();
mSettings.writeLPr();
}
if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded);
sendResourcesChangedBroadcast(true, false, loaded, null);
}
private void unloadPrivatePackages(final VolumeInfo vol) {
mHandler.post(new Runnable() {
@Override
public void run() {
unloadPrivatePackagesInner(vol);
}
});
}
private void unloadPrivatePackagesInner(VolumeInfo vol) {
final ArrayList<ApplicationInfo> unloaded = new ArrayList<>();
synchronized (mInstallLock) {
synchronized (mPackages) {
final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid);
for (PackageSetting ps : packages) {
if (ps.pkg == null) continue;
final ApplicationInfo info = ps.pkg.applicationInfo;
final PackageRemovedInfo outInfo = new PackageRemovedInfo();
if (deletePackageLI(ps.name, null, false, null, null,
PackageManager.DELETE_KEEP_DATA, outInfo, false)) {
unloaded.add(info);
} else {
Slog.w(TAG, "Failed to unload " + ps.codePath);
}
}
mSettings.writeLPr();
}
}
if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded);
sendResourcesChangedBroadcast(false, false, unloaded, null);
}
/**
* Examine all users present on given mounted volume, and destroy data
* belonging to users that are no longer valid, or whose user ID has been
* recycled.
*/
private void reconcileUsers(String volumeUuid) {
final File[] files = FileUtils
.listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid));
for (File file : files) {
if (!file.isDirectory()) continue;
final int userId;
final UserInfo info;
try {
userId = Integer.parseInt(file.getName());
info = sUserManager.getUserInfo(userId);
} catch (NumberFormatException e) {
Slog.w(TAG, "Invalid user directory " + file);
continue;
}
boolean destroyUser = false;
if (info == null) {
logCriticalInfo(Log.WARN, "Destroying user directory " + file
+ " because no matching user was found");
destroyUser = true;
} else {
try {
UserManagerService.enforceSerialNumber(file, info.serialNumber);
} catch (IOException e) {
logCriticalInfo(Log.WARN, "Destroying user directory " + file
+ " because we failed to enforce serial number: " + e);
destroyUser = true;
}
}
if (destroyUser) {
synchronized (mInstallLock) {
mInstaller.removeUserDataDirs(volumeUuid, userId);
}
}
}
final UserManager um = mContext.getSystemService(UserManager.class);
for (UserInfo user : um.getUsers()) {
final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id);
if (userDir.exists()) continue;
try {
UserManagerService.prepareUserDirectory(mContext, volumeUuid, user.id);
UserManagerService.enforceSerialNumber(userDir, user.serialNumber);
} catch (IOException e) {
Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e);
}
}
}
/**
* Examine all apps present on given mounted volume, and destroy apps that
* aren't expected, either due to uninstallation or reinstallation on
* another volume.
*/
private void reconcileApps(String volumeUuid) {
final File[] files = FileUtils
.listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid));
for (File file : files) {
final boolean isPackage = (isApkFile(file) || file.isDirectory())
&& !PackageInstallerService.isStageName(file.getName());
if (!isPackage) {
// Ignore entries which are not packages
continue;
}
boolean destroyApp = false;
String packageName = null;
try {
final PackageLite pkg = PackageParser.parsePackageLite(file,
PackageParser.PARSE_MUST_BE_APK);
packageName = pkg.packageName;
synchronized (mPackages) {
final PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps == null) {
logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + "
+ volumeUuid + " because we found no install record");
destroyApp = true;
} else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) {
logCriticalInfo(Log.WARN, "Destroying " + packageName + " on "
+ volumeUuid + " because we expected it on " + ps.volumeUuid);
destroyApp = true;
}
}
} catch (PackageParserException e) {
logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e);
destroyApp = true;
}
if (destroyApp) {
synchronized (mInstallLock) {
if (packageName != null) {
removeDataDirsLI(volumeUuid, packageName);
}
if (file.isDirectory()) {
mInstaller.rmPackageDir(file.getAbsolutePath());
} else {
file.delete();
}
}
}
}
}
private void unfreezePackage(String packageName) {
synchronized (mPackages) {
final PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps != null) {
ps.frozen = false;
}
}
}
@Override
public int movePackage(final String packageName, final String volumeUuid) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
final int moveId = mNextMoveId.getAndIncrement();
try {
movePackageInternal(packageName, volumeUuid, moveId);
} catch (PackageManagerException e) {
Slog.w(TAG, "Failed to move " + packageName, e);
mMoveCallbacks.notifyStatusChanged(moveId,
PackageManager.MOVE_FAILED_INTERNAL_ERROR);
}
return moveId;
}
private void movePackageInternal(final String packageName, final String volumeUuid,
final int moveId) throws PackageManagerException {
final UserHandle user = new UserHandle(UserHandle.getCallingUserId());
final StorageManager storage = mContext.getSystemService(StorageManager.class);
final PackageManager pm = mContext.getPackageManager();
final boolean currentAsec;
final String currentVolumeUuid;
final File codeFile;
final String installerPackageName;
final String packageAbiOverride;
final int appId;
final String seinfo;
final String label;
// reader
synchronized (mPackages) {
final PackageParser.Package pkg = mPackages.get(packageName);
final PackageSetting ps = mSettings.mPackages.get(packageName);
if (pkg == null || ps == null) {
throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package");
}
if (pkg.applicationInfo.isSystemApp()) {
throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE,
"Cannot move system application");
}
if (pkg.applicationInfo.isExternalAsec()) {
currentAsec = true;
currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL;
} else if (pkg.applicationInfo.isForwardLocked()) {
currentAsec = true;
currentVolumeUuid = "forward_locked";
} else {
currentAsec = false;
currentVolumeUuid = ps.volumeUuid;
final File probe = new File(pkg.codePath);
final File probeOat = new File(probe, "oat");
if (!probe.isDirectory() || !probeOat.isDirectory()) {
throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
"Move only supported for modern cluster style installs");
}
}
if (Objects.equals(currentVolumeUuid, volumeUuid)) {
throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
"Package already moved to " + volumeUuid);
}
if (ps.frozen) {
throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING,
"Failed to move already frozen package");
}
ps.frozen = true;
codeFile = new File(pkg.codePath);
installerPackageName = ps.installerPackageName;
packageAbiOverride = ps.cpuAbiOverrideString;
appId = UserHandle.getAppId(pkg.applicationInfo.uid);
seinfo = pkg.applicationInfo.seinfo;
label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo));
}
// Now that we're guarded by frozen state, kill app during move
final long token = Binder.clearCallingIdentity();
try {
killApplication(packageName, appId, "move pkg");
} finally {
Binder.restoreCallingIdentity(token);
}
final Bundle extras = new Bundle();
extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName);
extras.putString(Intent.EXTRA_TITLE, label);
mMoveCallbacks.notifyCreated(moveId, extras);
int installFlags;
final boolean moveCompleteApp;
final File measurePath;
if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) {
installFlags = INSTALL_INTERNAL;
moveCompleteApp = !currentAsec;
measurePath = Environment.getDataAppDirectory(volumeUuid);
} else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) {
installFlags = INSTALL_EXTERNAL;
moveCompleteApp = false;
measurePath = storage.getPrimaryPhysicalVolume().getPath();
} else {
final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid);
if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE
|| !volume.isMountedWritable()) {
unfreezePackage(packageName);
throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
"Move location not mounted private volume");
}
Preconditions.checkState(!currentAsec);
installFlags = INSTALL_INTERNAL;
moveCompleteApp = true;
measurePath = Environment.getDataAppDirectory(volumeUuid);
}
final PackageStats stats = new PackageStats(null, -1);
synchronized (mInstaller) {
if (!getPackageSizeInfoLI(packageName, -1, stats)) {
unfreezePackage(packageName);
throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
"Failed to measure package size");
}
}
if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size "
+ stats.dataSize);
final long startFreeBytes = measurePath.getFreeSpace();
final long sizeBytes;
if (moveCompleteApp) {
sizeBytes = stats.codeSize + stats.dataSize;
} else {
sizeBytes = stats.codeSize;
}
if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) {
unfreezePackage(packageName);
throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
"Not enough free space to move");
}
mMoveCallbacks.notifyStatusChanged(moveId, 10);
final CountDownLatch installedLatch = new CountDownLatch(1);
final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() {
@Override
public void onUserActionRequired(Intent intent) throws RemoteException {
throw new IllegalStateException();
}
@Override
public void onPackageInstalled(String basePackageName, int returnCode, String msg,
Bundle extras) throws RemoteException {
if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: "
+ PackageManager.installStatusToString(returnCode, msg));
installedLatch.countDown();
// Regardless of success or failure of the move operation,
// always unfreeze the package
unfreezePackage(packageName);
final int status = PackageManager.installStatusToPublicStatus(returnCode);
switch (status) {
case PackageInstaller.STATUS_SUCCESS:
mMoveCallbacks.notifyStatusChanged(moveId,
PackageManager.MOVE_SUCCEEDED);
break;
case PackageInstaller.STATUS_FAILURE_STORAGE:
mMoveCallbacks.notifyStatusChanged(moveId,
PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE);
break;
default:
mMoveCallbacks.notifyStatusChanged(moveId,
PackageManager.MOVE_FAILED_INTERNAL_ERROR);
break;
}
}
};
final MoveInfo move;
if (moveCompleteApp) {
// Kick off a thread to report progress estimates
new Thread() {
@Override
public void run() {
while (true) {
try {
if (installedLatch.await(1, TimeUnit.SECONDS)) {
break;
}
} catch (InterruptedException ignored) {
}
final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace();
final int progress = 10 + (int) MathUtils.constrain(
((deltaFreeBytes * 80) / sizeBytes), 0, 80);
mMoveCallbacks.notifyStatusChanged(moveId, progress);
}
}
}.start();
final String dataAppName = codeFile.getName();
move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName,
dataAppName, appId, seinfo);
} else {
move = null;
}
installFlags |= PackageManager.INSTALL_REPLACE_EXISTING;
final Message msg = mHandler.obtainMessage(INIT_COPY);
final OriginInfo origin = OriginInfo.fromExistingFile(codeFile);
msg.obj = new InstallParams(origin, move, installObserver, installFlags,
installerPackageName, volumeUuid, null, user, packageAbiOverride, null);
mHandler.sendMessage(msg);
}
@Override
public int movePrimaryStorage(String volumeUuid) throws RemoteException {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
final int realMoveId = mNextMoveId.getAndIncrement();
final Bundle extras = new Bundle();
extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid);
mMoveCallbacks.notifyCreated(realMoveId, extras);
final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() {
@Override
public void onCreated(int moveId, Bundle extras) {
// Ignored
}
@Override
public void onStatusChanged(int moveId, int status, long estMillis) {
mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis);
}
};
final StorageManager storage = mContext.getSystemService(StorageManager.class);
storage.setPrimaryStorageUuid(volumeUuid, callback);
return realMoveId;
}
@Override
public int getMoveStatus(int moveId) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
return mMoveCallbacks.mLastStatus.get(moveId);
}
@Override
public void registerMoveCallback(IPackageMoveObserver callback) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
mMoveCallbacks.register(callback);
}
@Override
public void unregisterMoveCallback(IPackageMoveObserver callback) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
mMoveCallbacks.unregister(callback);
}
@Override
public boolean setInstallLocation(int loc) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS,
null);
if (getInstallLocation() == loc) {
return true;
}
if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL
|| loc == PackageHelper.APP_INSTALL_EXTERNAL) {
android.provider.Settings.Global.putInt(mContext.getContentResolver(),
android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc);
return true;
}
return false;
}
@Override
public int getInstallLocation() {
return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION,
PackageHelper.APP_INSTALL_AUTO);
}
/** Called by UserManagerService */
void cleanUpUserLILPw(UserManagerService userManager, int userHandle) {
mDirtyUsers.remove(userHandle);
mSettings.removeUserLPw(userHandle);
mPendingBroadcasts.remove(userHandle);
if (mInstaller != null) {
// Technically, we shouldn't be doing this with the package lock
// held. However, this is very rare, and there is already so much
// other disk I/O going on, that we'll let it slide for now.
final StorageManager storage = mContext.getSystemService(StorageManager.class);
for (VolumeInfo vol : storage.getWritablePrivateVolumes()) {
final String volumeUuid = vol.getFsUuid();
if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid);
mInstaller.removeUserDataDirs(volumeUuid, userHandle);
}
}
mUserNeedsBadging.delete(userHandle);
removeUnusedPackagesLILPw(userManager, userHandle);
}
/**
* We're removing userHandle and would like to remove any downloaded packages
* that are no longer in use by any other user.
* @param userHandle the user being removed
*/
private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) {
final boolean DEBUG_CLEAN_APKS = false;
int [] users = userManager.getUserIdsLPr();
Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
while (psit.hasNext()) {
PackageSetting ps = psit.next();
if (ps.pkg == null) {
continue;
}
final String packageName = ps.pkg.packageName;
// Skip over if system app
if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) {
continue;
}
if (DEBUG_CLEAN_APKS) {
Slog.i(TAG, "Checking package " + packageName);
}
boolean keep = false;
for (int i = 0; i < users.length; i++) {
if (users[i] != userHandle && ps.getInstalled(users[i])) {
keep = true;
if (DEBUG_CLEAN_APKS) {
Slog.i(TAG, " Keeping package " + packageName + " for user "
+ users[i]);
}
break;
}
}
if (!keep) {
if (DEBUG_CLEAN_APKS) {
Slog.i(TAG, " Removing package " + packageName);
}
mHandler.post(new Runnable() {
public void run() {
deletePackageX(packageName, userHandle, 0);
} //end run
});
}
}
}
/** Called by UserManagerService */
void createNewUserLILPw(int userHandle) {
if (mInstaller != null) {
mInstaller.createUserConfig(userHandle);
mSettings.createNewUserLILPw(this, mInstaller, userHandle);
applyFactoryDefaultBrowserLPw(userHandle);
primeDomainVerificationsLPw(userHandle);
}
}
void newUserCreated(final int userHandle) {
mDefaultPermissionPolicy.grantDefaultPermissions(userHandle);
}
@Override
public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
"Only package verification agents can read the verifier device identity");
synchronized (mPackages) {
return mSettings.getVerifierDeviceIdentityLPw();
}
}
@Override
public void setPermissionEnforced(String permission, boolean enforced) {
// TODO: Now that we no longer change GID for storage, this should to away.
mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS,
"setPermissionEnforced");
if (READ_EXTERNAL_STORAGE.equals(permission)) {
synchronized (mPackages) {
if (mSettings.mReadExternalStorageEnforced == null
|| mSettings.mReadExternalStorageEnforced != enforced) {
mSettings.mReadExternalStorageEnforced = enforced;
mSettings.writeLPr();
}
}
// kill any non-foreground processes so we restart them and
// grant/revoke the GID.
final IActivityManager am = ActivityManagerNative.getDefault();
if (am != null) {
final long token = Binder.clearCallingIdentity();
try {
am.killProcessesBelowForeground("setPermissionEnforcement");
} catch (RemoteException e) {
} finally {
Binder.restoreCallingIdentity(token);
}
}
} else {
throw new IllegalArgumentException("No selective enforcement for " + permission);
}
}
@Override
@Deprecated
public boolean isPermissionEnforced(String permission) {
return true;
}
@Override
public boolean isStorageLow() {
final long token = Binder.clearCallingIdentity();
try {
final DeviceStorageMonitorInternal
dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
if (dsm != null) {
return dsm.isMemoryLow();
} else {
return false;
}
} finally {
Binder.restoreCallingIdentity(token);
}
}
@Override
public IPackageInstaller getPackageInstaller() {
return mInstallerService;
}
private boolean userNeedsBadging(int userId) {
int index = mUserNeedsBadging.indexOfKey(userId);
if (index < 0) {
final UserInfo userInfo;
final long token = Binder.clearCallingIdentity();
try {
userInfo = sUserManager.getUserInfo(userId);
} finally {
Binder.restoreCallingIdentity(token);
}
final boolean b;
if (userInfo != null && userInfo.isManagedProfile()) {
b = true;
} else {
b = false;
}
mUserNeedsBadging.put(userId, b);
return b;
}
return mUserNeedsBadging.valueAt(index);
}
@Override
public KeySet getKeySetByAlias(String packageName, String alias) {
if (packageName == null || alias == null) {
return null;
}
synchronized(mPackages) {
final PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null) {
Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
throw new IllegalArgumentException("Unknown package: " + packageName);
}
KeySetManagerService ksms = mSettings.mKeySetManagerService;
return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias));
}
}
@Override
public KeySet getSigningKeySet(String packageName) {
if (packageName == null) {
return null;
}
synchronized(mPackages) {
final PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null) {
Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
throw new IllegalArgumentException("Unknown package: " + packageName);
}
if (pkg.applicationInfo.uid != Binder.getCallingUid()
&& Process.SYSTEM_UID != Binder.getCallingUid()) {
throw new SecurityException("May not access signing KeySet of other apps.");
}
KeySetManagerService ksms = mSettings.mKeySetManagerService;
return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName));
}
}
@Override
public boolean isPackageSignedByKeySet(String packageName, KeySet ks) {
if (packageName == null || ks == null) {
return false;
}
synchronized(mPackages) {
final PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null) {
Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
throw new IllegalArgumentException("Unknown package: " + packageName);
}
IBinder ksh = ks.getToken();
if (ksh instanceof KeySetHandle) {
KeySetManagerService ksms = mSettings.mKeySetManagerService;
return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh);
}
return false;
}
}
@Override
public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) {
if (packageName == null || ks == null) {
return false;
}
synchronized(mPackages) {
final PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null) {
Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
throw new IllegalArgumentException("Unknown package: " + packageName);
}
IBinder ksh = ks.getToken();
if (ksh instanceof KeySetHandle) {
KeySetManagerService ksms = mSettings.mKeySetManagerService;
return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh);
}
return false;
}
}
public void getUsageStatsIfNoPackageUsageInfo() {
if (!mPackageUsage.isHistoricalPackageUsageAvailable()) {
UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE);
if (usm == null) {
throw new IllegalStateException("UsageStatsManager must be initialized");
}
long now = System.currentTimeMillis();
Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now);
for (Map.Entry<String, UsageStats> entry : stats.entrySet()) {
String packageName = entry.getKey();
PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null) {
continue;
}
UsageStats usage = entry.getValue();
pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed();
mPackageUsage.mIsHistoricalPackageUsageAvailable = true;
}
}
}
/**
* Check and throw if the given before/after packages would be considered a
* downgrade.
*/
private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after)
throws PackageManagerException {
if (after.versionCode < before.mVersionCode) {
throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
"Update version code " + after.versionCode + " is older than current "
+ before.mVersionCode);
} else if (after.versionCode == before.mVersionCode) {
if (after.baseRevisionCode < before.baseRevisionCode) {
throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
"Update base revision code " + after.baseRevisionCode
+ " is older than current " + before.baseRevisionCode);
}
if (!ArrayUtils.isEmpty(after.splitNames)) {
for (int i = 0; i < after.splitNames.length; i++) {
final String splitName = after.splitNames[i];
final int j = ArrayUtils.indexOf(before.splitNames, splitName);
if (j != -1) {
if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) {
throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
"Update split " + splitName + " revision code "
+ after.splitRevisionCodes[i] + " is older than current "
+ before.splitRevisionCodes[j]);
}
}
}
}
}
}
private static class MoveCallbacks extends Handler {
private static final int MSG_CREATED = 1;
private static final int MSG_STATUS_CHANGED = 2;
private final RemoteCallbackList<IPackageMoveObserver>
mCallbacks = new RemoteCallbackList<>();
private final SparseIntArray mLastStatus = new SparseIntArray();
public MoveCallbacks(Looper looper) {
super(looper);
}
public void register(IPackageMoveObserver callback) {
mCallbacks.register(callback);
}
public void unregister(IPackageMoveObserver callback) {
mCallbacks.unregister(callback);
}
@Override
public void handleMessage(Message msg) {
final SomeArgs args = (SomeArgs) msg.obj;
final int n = mCallbacks.beginBroadcast();
for (int i = 0; i < n; i++) {
final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i);
try {
invokeCallback(callback, msg.what, args);
} catch (RemoteException ignored) {
}
}
mCallbacks.finishBroadcast();
args.recycle();
}
private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args)
throws RemoteException {
switch (what) {
case MSG_CREATED: {
callback.onCreated(args.argi1, (Bundle) args.arg2);
break;
}
case MSG_STATUS_CHANGED: {
callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3);
break;
}
}
}
private void notifyCreated(int moveId, Bundle extras) {
Slog.v(TAG, "Move " + moveId + " created " + extras.toString());
final SomeArgs args = SomeArgs.obtain();
args.argi1 = moveId;
args.arg2 = extras;
obtainMessage(MSG_CREATED, args).sendToTarget();
}
private void notifyStatusChanged(int moveId, int status) {
notifyStatusChanged(moveId, status, -1);
}
private void notifyStatusChanged(int moveId, int status, long estMillis) {
Slog.v(TAG, "Move " + moveId + " status " + status);
final SomeArgs args = SomeArgs.obtain();
args.argi1 = moveId;
args.argi2 = status;
args.arg3 = estMillis;
obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget();
synchronized (mLastStatus) {
mLastStatus.put(moveId, status);
}
}
}
private final class OnPermissionChangeListeners extends Handler {
private static final int MSG_ON_PERMISSIONS_CHANGED = 1;
private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners =
new RemoteCallbackList<>();
public OnPermissionChangeListeners(Looper looper) {
super(looper);
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_ON_PERMISSIONS_CHANGED: {
final int uid = msg.arg1;
handleOnPermissionsChanged(uid);
} break;
}
}
public void addListenerLocked(IOnPermissionsChangeListener listener) {
mPermissionListeners.register(listener);
}
public void removeListenerLocked(IOnPermissionsChangeListener listener) {
mPermissionListeners.unregister(listener);
}
public void onPermissionsChanged(int uid) {
if (mPermissionListeners.getRegisteredCallbackCount() > 0) {
obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget();
}
}
private void handleOnPermissionsChanged(int uid) {
final int count = mPermissionListeners.beginBroadcast();
try {
for (int i = 0; i < count; i++) {
IOnPermissionsChangeListener callback = mPermissionListeners
.getBroadcastItem(i);
try {
callback.onPermissionsChanged(uid);
} catch (RemoteException e) {
Log.e(TAG, "Permission listener is dead", e);
}
}
} finally {
mPermissionListeners.finishBroadcast();
}
}
}
private class PackageManagerInternalImpl extends PackageManagerInternal {
@Override
public void setLocationPackagesProvider(PackagesProvider provider) {
synchronized (mPackages) {
mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider);
}
}
@Override
public void setImePackagesProvider(PackagesProvider provider) {
synchronized (mPackages) {
mDefaultPermissionPolicy.setImePackagesProviderLPr(provider);
}
}
@Override
public void setVoiceInteractionPackagesProvider(PackagesProvider provider) {
synchronized (mPackages) {
mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider);
}
}
@Override
public void setSmsAppPackagesProvider(PackagesProvider provider) {
synchronized (mPackages) {
mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider);
}
}
@Override
public void setDialerAppPackagesProvider(PackagesProvider provider) {
synchronized (mPackages) {
mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider);
}
}
@Override
public void setSimCallManagerPackagesProvider(PackagesProvider provider) {
synchronized (mPackages) {
mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider);
}
}
@Override
public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) {
synchronized (mPackages) {
mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider);
}
}
@Override
public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) {
synchronized (mPackages) {
mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr(
packageName, userId);
}
}
@Override
public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) {
synchronized (mPackages) {
mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr(
packageName, userId);
}
}
@Override
public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) {
synchronized (mPackages) {
mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr(
packageName, userId);
}
}
}
@Override
public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) {
enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps");
synchronized (mPackages) {
final long identity = Binder.clearCallingIdentity();
try {
mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr(
packageNames, userId);
} finally {
Binder.restoreCallingIdentity(identity);
}
}
}
private static void enforceSystemOrPhoneCaller(String tag) {
int callingUid = Binder.getCallingUid();
if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) {
throw new SecurityException(
"Cannot call " + tag + " from UID " + callingUid);
}
}
}