PackageManagerService.java revision 55b1078e2a1b56daa85edfd5000a5844d3c7914b
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.Manifest.permission.INSTALL_PACKAGES; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.os.Process.PACKAGE_INFO_GID; 28import static android.os.Process.SYSTEM_UID; 29import static android.system.OsConstants.S_IRGRP; 30import static android.system.OsConstants.S_IROTH; 31import static android.system.OsConstants.S_IRWXU; 32import static android.system.OsConstants.S_IXGRP; 33import static android.system.OsConstants.S_IXOTH; 34import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 35import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 36import static com.android.internal.util.ArrayUtils.appendInt; 37import static com.android.internal.util.ArrayUtils.removeInt; 38 39import com.android.internal.R; 40import com.android.internal.app.IMediaContainerService; 41import com.android.internal.app.ResolverActivity; 42import com.android.internal.content.NativeLibraryHelper; 43import com.android.internal.content.NativeLibraryHelper.ApkHandle; 44import com.android.internal.content.PackageHelper; 45import com.android.internal.util.ArrayUtils; 46import com.android.internal.util.FastPrintWriter; 47import com.android.internal.util.FastXmlSerializer; 48import com.android.internal.util.XmlUtils; 49import com.android.server.EventLogTags; 50import com.android.server.IntentResolver; 51import com.android.server.LocalServices; 52import com.android.server.ServiceThread; 53import com.android.server.Watchdog; 54import com.android.server.pm.Settings.DatabaseVersion; 55import com.android.server.storage.DeviceStorageMonitorInternal; 56 57import org.xmlpull.v1.XmlPullParser; 58import org.xmlpull.v1.XmlPullParserException; 59import org.xmlpull.v1.XmlSerializer; 60 61import android.app.ActivityManager; 62import android.app.ActivityManagerNative; 63import android.app.IActivityManager; 64import android.app.PackageInstallObserver; 65import android.app.admin.IDevicePolicyManager; 66import android.app.backup.IBackupManager; 67import android.content.BroadcastReceiver; 68import android.content.ComponentName; 69import android.content.Context; 70import android.content.IIntentReceiver; 71import android.content.Intent; 72import android.content.IntentFilter; 73import android.content.IntentSender; 74import android.content.IntentSender.SendIntentException; 75import android.content.ServiceConnection; 76import android.content.pm.ActivityInfo; 77import android.content.pm.ApplicationInfo; 78import android.content.pm.ContainerEncryptionParams; 79import android.content.pm.FeatureInfo; 80import android.content.pm.IPackageDataObserver; 81import android.content.pm.IPackageDeleteObserver; 82import android.content.pm.IPackageInstallObserver; 83import android.content.pm.IPackageInstallObserver2; 84import android.content.pm.IPackageInstaller; 85import android.content.pm.IPackageManager; 86import android.content.pm.IPackageMoveObserver; 87import android.content.pm.IPackageStatsObserver; 88import android.content.pm.InstrumentationInfo; 89import android.content.pm.ManifestDigest; 90import android.content.pm.PackageCleanItem; 91import android.content.pm.PackageInfo; 92import android.content.pm.PackageInfoLite; 93import android.content.pm.PackageManager; 94import android.content.pm.PackageParser.ActivityIntentInfo; 95import android.content.pm.PackageParser.PackageParserException; 96import android.content.pm.PackageParser; 97import android.content.pm.PackageStats; 98import android.content.pm.PackageUserState; 99import android.content.pm.ParceledListSlice; 100import android.content.pm.PermissionGroupInfo; 101import android.content.pm.PermissionInfo; 102import android.content.pm.ProviderInfo; 103import android.content.pm.ResolveInfo; 104import android.content.pm.ServiceInfo; 105import android.content.pm.Signature; 106import android.content.pm.VerificationParams; 107import android.content.pm.VerifierDeviceIdentity; 108import android.content.pm.VerifierInfo; 109import android.content.res.Resources; 110import android.hardware.display.DisplayManager; 111import android.net.Uri; 112import android.os.Binder; 113import android.os.Build; 114import android.os.Bundle; 115import android.os.Environment; 116import android.os.Environment.UserEnvironment; 117import android.os.FileObserver; 118import android.os.FileUtils; 119import android.os.Handler; 120import android.os.IBinder; 121import android.os.Looper; 122import android.os.Message; 123import android.os.Parcel; 124import android.os.ParcelFileDescriptor; 125import android.os.Process; 126import android.os.RemoteException; 127import android.os.SELinux; 128import android.os.ServiceManager; 129import android.os.SystemClock; 130import android.os.SystemProperties; 131import android.os.UserHandle; 132import android.os.UserManager; 133import android.security.KeyStore; 134import android.security.SystemKeyStore; 135import android.system.ErrnoException; 136import android.system.Os; 137import android.system.StructStat; 138import android.text.TextUtils; 139import android.util.ArraySet; 140import android.util.AtomicFile; 141import android.util.DisplayMetrics; 142import android.util.EventLog; 143import android.util.Log; 144import android.util.LogPrinter; 145import android.util.PrintStreamPrinter; 146import android.util.Slog; 147import android.util.SparseArray; 148import android.util.SparseBooleanArray; 149import android.util.Xml; 150import android.view.Display; 151 152import java.io.BufferedInputStream; 153import java.io.BufferedOutputStream; 154import java.io.File; 155import java.io.FileDescriptor; 156import java.io.FileInputStream; 157import java.io.FileNotFoundException; 158import java.io.FileOutputStream; 159import java.io.FileReader; 160import java.io.FilenameFilter; 161import java.io.IOException; 162import java.io.InputStream; 163import java.io.PrintWriter; 164import java.nio.charset.StandardCharsets; 165import java.security.NoSuchAlgorithmException; 166import java.security.PublicKey; 167import java.security.cert.CertificateEncodingException; 168import java.security.cert.CertificateException; 169import java.text.SimpleDateFormat; 170import java.util.ArrayList; 171import java.util.Arrays; 172import java.util.Collection; 173import java.util.Collections; 174import java.util.Comparator; 175import java.util.Date; 176import java.util.HashMap; 177import java.util.HashSet; 178import java.util.Iterator; 179import java.util.List; 180import java.util.Map; 181import java.util.Set; 182import java.util.concurrent.atomic.AtomicBoolean; 183import java.util.concurrent.atomic.AtomicLong; 184 185import dalvik.system.DexFile; 186import dalvik.system.StaleDexCacheError; 187import dalvik.system.VMRuntime; 188 189import libcore.io.IoUtils; 190 191/** 192 * Keep track of all those .apks everywhere. 193 * 194 * This is very central to the platform's security; please run the unit 195 * tests whenever making modifications here: 196 * 197mmm frameworks/base/tests/AndroidTests 198adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 199adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 200 * 201 * {@hide} 202 */ 203public class PackageManagerService extends IPackageManager.Stub { 204 static final String TAG = "PackageManager"; 205 static final boolean DEBUG_SETTINGS = false; 206 static final boolean DEBUG_PREFERRED = false; 207 static final boolean DEBUG_UPGRADE = false; 208 private static final boolean DEBUG_INSTALL = false; 209 private static final boolean DEBUG_REMOVE = false; 210 private static final boolean DEBUG_BROADCASTS = false; 211 private static final boolean DEBUG_SHOW_INFO = false; 212 private static final boolean DEBUG_PACKAGE_INFO = false; 213 private static final boolean DEBUG_INTENT_MATCHING = false; 214 private static final boolean DEBUG_PACKAGE_SCANNING = false; 215 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 216 private static final boolean DEBUG_VERIFY = false; 217 private static final boolean DEBUG_DEXOPT = false; 218 219 private static final int RADIO_UID = Process.PHONE_UID; 220 private static final int LOG_UID = Process.LOG_UID; 221 private static final int NFC_UID = Process.NFC_UID; 222 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 223 private static final int SHELL_UID = Process.SHELL_UID; 224 225 // Cap the size of permission trees that 3rd party apps can define 226 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 227 228 private static final int REMOVE_EVENTS = 229 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 230 private static final int ADD_EVENTS = 231 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 232 233 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 234 // Suffix used during package installation when copying/moving 235 // package apks to install directory. 236 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 237 238 static final int SCAN_MONITOR = 1<<0; 239 static final int SCAN_NO_DEX = 1<<1; 240 static final int SCAN_FORCE_DEX = 1<<2; 241 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 242 static final int SCAN_NEW_INSTALL = 1<<4; 243 static final int SCAN_NO_PATHS = 1<<5; 244 static final int SCAN_UPDATE_TIME = 1<<6; 245 static final int SCAN_DEFER_DEX = 1<<7; 246 static final int SCAN_BOOTING = 1<<8; 247 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 248 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 249 250 static final int REMOVE_CHATTY = 1<<16; 251 252 /** 253 * Timeout (in milliseconds) after which the watchdog should declare that 254 * our handler thread is wedged. The usual default for such things is one 255 * minute but we sometimes do very lengthy I/O operations on this thread, 256 * such as installing multi-gigabyte applications, so ours needs to be longer. 257 */ 258 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 259 260 /** 261 * Whether verification is enabled by default. 262 */ 263 private static final boolean DEFAULT_VERIFY_ENABLE = true; 264 265 /** 266 * The default maximum time to wait for the verification agent to return in 267 * milliseconds. 268 */ 269 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 270 271 /** 272 * The default response for package verification timeout. 273 * 274 * This can be either PackageManager.VERIFICATION_ALLOW or 275 * PackageManager.VERIFICATION_REJECT. 276 */ 277 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 278 279 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 280 281 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 282 DEFAULT_CONTAINER_PACKAGE, 283 "com.android.defcontainer.DefaultContainerService"); 284 285 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 286 287 private static final String LIB_DIR_NAME = "lib"; 288 private static final String LIB64_DIR_NAME = "lib64"; 289 290 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 291 292 static final String mTempContainerPrefix = "smdl2tmp"; 293 294 private static String sPreferredInstructionSet; 295 296 final ServiceThread mHandlerThread; 297 298 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 299 private static final String IDMAP_SUFFIX = "@idmap"; 300 301 final PackageHandler mHandler; 302 303 final int mSdkVersion = Build.VERSION.SDK_INT; 304 305 final Context mContext; 306 final boolean mFactoryTest; 307 final boolean mOnlyCore; 308 final DisplayMetrics mMetrics; 309 final int mDefParseFlags; 310 final String[] mSeparateProcesses; 311 312 // This is where all application persistent data goes. 313 final File mAppDataDir; 314 315 // This is where all application persistent data goes for secondary users. 316 final File mUserAppDataDir; 317 318 /** The location for ASEC container files on internal storage. */ 319 final String mAsecInternalPath; 320 321 // This is the object monitoring the framework dir. 322 final FileObserver mFrameworkInstallObserver; 323 324 // This is the object monitoring the system app dir. 325 final FileObserver mSystemInstallObserver; 326 327 // This is the object monitoring the privileged system app dir. 328 final FileObserver mPrivilegedInstallObserver; 329 330 // This is the object monitoring the vendor app dir. 331 final FileObserver mVendorInstallObserver; 332 333 // This is the object monitoring the vendor overlay package dir. 334 final FileObserver mVendorOverlayInstallObserver; 335 336 // This is the object monitoring the OEM app dir. 337 final FileObserver mOemInstallObserver; 338 339 // This is the object monitoring mAppInstallDir. 340 final FileObserver mAppInstallObserver; 341 342 // This is the object monitoring mDrmAppPrivateInstallDir. 343 final FileObserver mDrmAppInstallObserver; 344 345 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 346 // LOCK HELD. Can be called with mInstallLock held. 347 final Installer mInstaller; 348 349 final File mAppInstallDir; 350 351 /** 352 * Directory to which applications installed internally have native 353 * libraries copied. 354 */ 355 private File mAppLibInstallDir; 356 357 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 358 // apps. 359 final File mDrmAppPrivateInstallDir; 360 361 final File mAppStagingDir; 362 363 // ---------------------------------------------------------------- 364 365 // Lock for state used when installing and doing other long running 366 // operations. Methods that must be called with this lock held have 367 // the suffix "LI". 368 final Object mInstallLock = new Object(); 369 370 // These are the directories in the 3rd party applications installed dir 371 // that we have currently loaded packages from. Keys are the application's 372 // installed zip file (absolute codePath), and values are Package. 373 final HashMap<String, PackageParser.Package> mAppDirs = 374 new HashMap<String, PackageParser.Package>(); 375 376 // Information for the parser to write more useful error messages. 377 int mLastScanError; 378 379 // ---------------------------------------------------------------- 380 381 // Keys are String (package name), values are Package. This also serves 382 // as the lock for the global state. Methods that must be called with 383 // this lock held have the prefix "LP". 384 final HashMap<String, PackageParser.Package> mPackages = 385 new HashMap<String, PackageParser.Package>(); 386 387 // Tracks available target package names -> overlay package paths. 388 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 389 new HashMap<String, HashMap<String, PackageParser.Package>>(); 390 391 final Settings mSettings; 392 boolean mRestoredSettings; 393 394 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 395 int[] mGlobalGids; 396 397 // These are the built-in uid -> permission mappings that were read from the 398 // etc/permissions.xml file. 399 final SparseArray<HashSet<String>> mSystemPermissions = 400 new SparseArray<HashSet<String>>(); 401 402 static final class SharedLibraryEntry { 403 final String path; 404 final String apk; 405 406 SharedLibraryEntry(String _path, String _apk) { 407 path = _path; 408 apk = _apk; 409 } 410 } 411 412 // These are the built-in shared libraries that were read from the 413 // etc/permissions.xml file. 414 final HashMap<String, SharedLibraryEntry> mSharedLibraries 415 = new HashMap<String, SharedLibraryEntry>(); 416 417 // These are the features this devices supports that were read from the 418 // etc/permissions.xml file. 419 final HashMap<String, FeatureInfo> mAvailableFeatures = 420 new HashMap<String, FeatureInfo>(); 421 422 // If mac_permissions.xml was found for seinfo labeling. 423 boolean mFoundPolicyFile; 424 425 // If a recursive restorecon of /data/data/<pkg> is needed. 426 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 427 428 // All available activities, for your resolving pleasure. 429 final ActivityIntentResolver mActivities = 430 new ActivityIntentResolver(); 431 432 // All available receivers, for your resolving pleasure. 433 final ActivityIntentResolver mReceivers = 434 new ActivityIntentResolver(); 435 436 // All available services, for your resolving pleasure. 437 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 438 439 // All available providers, for your resolving pleasure. 440 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 441 442 // Mapping from provider base names (first directory in content URI codePath) 443 // to the provider information. 444 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 445 new HashMap<String, PackageParser.Provider>(); 446 447 // Mapping from instrumentation class names to info about them. 448 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 449 new HashMap<ComponentName, PackageParser.Instrumentation>(); 450 451 // Mapping from permission names to info about them. 452 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 453 new HashMap<String, PackageParser.PermissionGroup>(); 454 455 // Packages whose data we have transfered into another package, thus 456 // should no longer exist. 457 final HashSet<String> mTransferedPackages = new HashSet<String>(); 458 459 // Broadcast actions that are only available to the system. 460 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 461 462 /** List of packages waiting for verification. */ 463 final SparseArray<PackageVerificationState> mPendingVerification 464 = new SparseArray<PackageVerificationState>(); 465 466 final PackageInstallerService mInstallerService; 467 468 HashSet<PackageParser.Package> mDeferredDexOpt = null; 469 470 /** Token for keys in mPendingVerification. */ 471 private int mPendingVerificationToken = 0; 472 473 boolean mSystemReady; 474 boolean mSafeMode; 475 boolean mHasSystemUidErrors; 476 477 ApplicationInfo mAndroidApplication; 478 final ActivityInfo mResolveActivity = new ActivityInfo(); 479 final ResolveInfo mResolveInfo = new ResolveInfo(); 480 ComponentName mResolveComponentName; 481 PackageParser.Package mPlatformPackage; 482 ComponentName mCustomResolverComponentName; 483 484 boolean mResolverReplaced = false; 485 486 // Set of pending broadcasts for aggregating enable/disable of components. 487 static class PendingPackageBroadcasts { 488 // for each user id, a map of <package name -> components within that package> 489 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 490 491 public PendingPackageBroadcasts() { 492 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 493 } 494 495 public ArrayList<String> get(int userId, String packageName) { 496 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 497 return packages.get(packageName); 498 } 499 500 public void put(int userId, String packageName, ArrayList<String> components) { 501 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 502 packages.put(packageName, components); 503 } 504 505 public void remove(int userId, String packageName) { 506 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 507 if (packages != null) { 508 packages.remove(packageName); 509 } 510 } 511 512 public void remove(int userId) { 513 mUidMap.remove(userId); 514 } 515 516 public int userIdCount() { 517 return mUidMap.size(); 518 } 519 520 public int userIdAt(int n) { 521 return mUidMap.keyAt(n); 522 } 523 524 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 525 return mUidMap.get(userId); 526 } 527 528 public int size() { 529 // total number of pending broadcast entries across all userIds 530 int num = 0; 531 for (int i = 0; i< mUidMap.size(); i++) { 532 num += mUidMap.valueAt(i).size(); 533 } 534 return num; 535 } 536 537 public void clear() { 538 mUidMap.clear(); 539 } 540 541 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 542 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 543 if (map == null) { 544 map = new HashMap<String, ArrayList<String>>(); 545 mUidMap.put(userId, map); 546 } 547 return map; 548 } 549 } 550 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 551 552 // Service Connection to remote media container service to copy 553 // package uri's from external media onto secure containers 554 // or internal storage. 555 private IMediaContainerService mContainerService = null; 556 557 static final int SEND_PENDING_BROADCAST = 1; 558 static final int MCS_BOUND = 3; 559 static final int END_COPY = 4; 560 static final int INIT_COPY = 5; 561 static final int MCS_UNBIND = 6; 562 static final int START_CLEANING_PACKAGE = 7; 563 static final int FIND_INSTALL_LOC = 8; 564 static final int POST_INSTALL = 9; 565 static final int MCS_RECONNECT = 10; 566 static final int MCS_GIVE_UP = 11; 567 static final int UPDATED_MEDIA_STATUS = 12; 568 static final int WRITE_SETTINGS = 13; 569 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 570 static final int PACKAGE_VERIFIED = 15; 571 static final int CHECK_PENDING_VERIFICATION = 16; 572 573 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 574 575 // Delay time in millisecs 576 static final int BROADCAST_DELAY = 10 * 1000; 577 578 static UserManagerService sUserManager; 579 580 // Stores a list of users whose package restrictions file needs to be updated 581 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 582 583 final private DefaultContainerConnection mDefContainerConn = 584 new DefaultContainerConnection(); 585 class DefaultContainerConnection implements ServiceConnection { 586 public void onServiceConnected(ComponentName name, IBinder service) { 587 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 588 IMediaContainerService imcs = 589 IMediaContainerService.Stub.asInterface(service); 590 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 591 } 592 593 public void onServiceDisconnected(ComponentName name) { 594 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 595 } 596 }; 597 598 // Recordkeeping of restore-after-install operations that are currently in flight 599 // between the Package Manager and the Backup Manager 600 class PostInstallData { 601 public InstallArgs args; 602 public PackageInstalledInfo res; 603 604 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 605 args = _a; 606 res = _r; 607 } 608 }; 609 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 610 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 611 612 private final String mRequiredVerifierPackage; 613 614 private final PackageUsage mPackageUsage = new PackageUsage(); 615 616 private class PackageUsage { 617 private static final int WRITE_INTERVAL 618 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 619 620 private final Object mFileLock = new Object(); 621 private final AtomicLong mLastWritten = new AtomicLong(0); 622 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 623 624 private boolean mIsHistoricalPackageUsageAvailable = true; 625 626 boolean isHistoricalPackageUsageAvailable() { 627 return mIsHistoricalPackageUsageAvailable; 628 } 629 630 void write(boolean force) { 631 if (force) { 632 writeInternal(); 633 return; 634 } 635 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 636 && !DEBUG_DEXOPT) { 637 return; 638 } 639 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 640 new Thread("PackageUsage_DiskWriter") { 641 @Override 642 public void run() { 643 try { 644 writeInternal(); 645 } finally { 646 mBackgroundWriteRunning.set(false); 647 } 648 } 649 }.start(); 650 } 651 } 652 653 private void writeInternal() { 654 synchronized (mPackages) { 655 synchronized (mFileLock) { 656 AtomicFile file = getFile(); 657 FileOutputStream f = null; 658 try { 659 f = file.startWrite(); 660 BufferedOutputStream out = new BufferedOutputStream(f); 661 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 662 StringBuilder sb = new StringBuilder(); 663 for (PackageParser.Package pkg : mPackages.values()) { 664 if (pkg.mLastPackageUsageTimeInMills == 0) { 665 continue; 666 } 667 sb.setLength(0); 668 sb.append(pkg.packageName); 669 sb.append(' '); 670 sb.append((long)pkg.mLastPackageUsageTimeInMills); 671 sb.append('\n'); 672 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 673 } 674 out.flush(); 675 file.finishWrite(f); 676 } catch (IOException e) { 677 if (f != null) { 678 file.failWrite(f); 679 } 680 Log.e(TAG, "Failed to write package usage times", e); 681 } 682 } 683 } 684 mLastWritten.set(SystemClock.elapsedRealtime()); 685 } 686 687 void readLP() { 688 synchronized (mFileLock) { 689 AtomicFile file = getFile(); 690 BufferedInputStream in = null; 691 try { 692 in = new BufferedInputStream(file.openRead()); 693 StringBuffer sb = new StringBuffer(); 694 while (true) { 695 String packageName = readToken(in, sb, ' '); 696 if (packageName == null) { 697 break; 698 } 699 String timeInMillisString = readToken(in, sb, '\n'); 700 if (timeInMillisString == null) { 701 throw new IOException("Failed to find last usage time for package " 702 + packageName); 703 } 704 PackageParser.Package pkg = mPackages.get(packageName); 705 if (pkg == null) { 706 continue; 707 } 708 long timeInMillis; 709 try { 710 timeInMillis = Long.parseLong(timeInMillisString.toString()); 711 } catch (NumberFormatException e) { 712 throw new IOException("Failed to parse " + timeInMillisString 713 + " as a long.", e); 714 } 715 pkg.mLastPackageUsageTimeInMills = timeInMillis; 716 } 717 } catch (FileNotFoundException expected) { 718 mIsHistoricalPackageUsageAvailable = false; 719 } catch (IOException e) { 720 Log.w(TAG, "Failed to read package usage times", e); 721 } finally { 722 IoUtils.closeQuietly(in); 723 } 724 } 725 mLastWritten.set(SystemClock.elapsedRealtime()); 726 } 727 728 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 729 throws IOException { 730 sb.setLength(0); 731 while (true) { 732 int ch = in.read(); 733 if (ch == -1) { 734 if (sb.length() == 0) { 735 return null; 736 } 737 throw new IOException("Unexpected EOF"); 738 } 739 if (ch == endOfToken) { 740 return sb.toString(); 741 } 742 sb.append((char)ch); 743 } 744 } 745 746 private AtomicFile getFile() { 747 File dataDir = Environment.getDataDirectory(); 748 File systemDir = new File(dataDir, "system"); 749 File fname = new File(systemDir, "package-usage.list"); 750 return new AtomicFile(fname); 751 } 752 } 753 754 class PackageHandler extends Handler { 755 private boolean mBound = false; 756 final ArrayList<HandlerParams> mPendingInstalls = 757 new ArrayList<HandlerParams>(); 758 759 private boolean connectToService() { 760 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 761 " DefaultContainerService"); 762 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 763 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 764 if (mContext.bindServiceAsUser(service, mDefContainerConn, 765 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 766 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 767 mBound = true; 768 return true; 769 } 770 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 771 return false; 772 } 773 774 private void disconnectService() { 775 mContainerService = null; 776 mBound = false; 777 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 778 mContext.unbindService(mDefContainerConn); 779 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 780 } 781 782 PackageHandler(Looper looper) { 783 super(looper); 784 } 785 786 public void handleMessage(Message msg) { 787 try { 788 doHandleMessage(msg); 789 } finally { 790 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 791 } 792 } 793 794 void doHandleMessage(Message msg) { 795 switch (msg.what) { 796 case INIT_COPY: { 797 HandlerParams params = (HandlerParams) msg.obj; 798 int idx = mPendingInstalls.size(); 799 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 800 // If a bind was already initiated we dont really 801 // need to do anything. The pending install 802 // will be processed later on. 803 if (!mBound) { 804 // If this is the only one pending we might 805 // have to bind to the service again. 806 if (!connectToService()) { 807 Slog.e(TAG, "Failed to bind to media container service"); 808 params.serviceError(); 809 return; 810 } else { 811 // Once we bind to the service, the first 812 // pending request will be processed. 813 mPendingInstalls.add(idx, params); 814 } 815 } else { 816 mPendingInstalls.add(idx, params); 817 // Already bound to the service. Just make 818 // sure we trigger off processing the first request. 819 if (idx == 0) { 820 mHandler.sendEmptyMessage(MCS_BOUND); 821 } 822 } 823 break; 824 } 825 case MCS_BOUND: { 826 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 827 if (msg.obj != null) { 828 mContainerService = (IMediaContainerService) msg.obj; 829 } 830 if (mContainerService == null) { 831 // Something seriously wrong. Bail out 832 Slog.e(TAG, "Cannot bind to media container service"); 833 for (HandlerParams params : mPendingInstalls) { 834 // Indicate service bind error 835 params.serviceError(); 836 } 837 mPendingInstalls.clear(); 838 } else if (mPendingInstalls.size() > 0) { 839 HandlerParams params = mPendingInstalls.get(0); 840 if (params != null) { 841 if (params.startCopy()) { 842 // We are done... look for more work or to 843 // go idle. 844 if (DEBUG_SD_INSTALL) Log.i(TAG, 845 "Checking for more work or unbind..."); 846 // Delete pending install 847 if (mPendingInstalls.size() > 0) { 848 mPendingInstalls.remove(0); 849 } 850 if (mPendingInstalls.size() == 0) { 851 if (mBound) { 852 if (DEBUG_SD_INSTALL) Log.i(TAG, 853 "Posting delayed MCS_UNBIND"); 854 removeMessages(MCS_UNBIND); 855 Message ubmsg = obtainMessage(MCS_UNBIND); 856 // Unbind after a little delay, to avoid 857 // continual thrashing. 858 sendMessageDelayed(ubmsg, 10000); 859 } 860 } else { 861 // There are more pending requests in queue. 862 // Just post MCS_BOUND message to trigger processing 863 // of next pending install. 864 if (DEBUG_SD_INSTALL) Log.i(TAG, 865 "Posting MCS_BOUND for next work"); 866 mHandler.sendEmptyMessage(MCS_BOUND); 867 } 868 } 869 } 870 } else { 871 // Should never happen ideally. 872 Slog.w(TAG, "Empty queue"); 873 } 874 break; 875 } 876 case MCS_RECONNECT: { 877 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 878 if (mPendingInstalls.size() > 0) { 879 if (mBound) { 880 disconnectService(); 881 } 882 if (!connectToService()) { 883 Slog.e(TAG, "Failed to bind to media container service"); 884 for (HandlerParams params : mPendingInstalls) { 885 // Indicate service bind error 886 params.serviceError(); 887 } 888 mPendingInstalls.clear(); 889 } 890 } 891 break; 892 } 893 case MCS_UNBIND: { 894 // If there is no actual work left, then time to unbind. 895 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 896 897 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 898 if (mBound) { 899 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 900 901 disconnectService(); 902 } 903 } else if (mPendingInstalls.size() > 0) { 904 // There are more pending requests in queue. 905 // Just post MCS_BOUND message to trigger processing 906 // of next pending install. 907 mHandler.sendEmptyMessage(MCS_BOUND); 908 } 909 910 break; 911 } 912 case MCS_GIVE_UP: { 913 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 914 mPendingInstalls.remove(0); 915 break; 916 } 917 case SEND_PENDING_BROADCAST: { 918 String packages[]; 919 ArrayList<String> components[]; 920 int size = 0; 921 int uids[]; 922 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 923 synchronized (mPackages) { 924 if (mPendingBroadcasts == null) { 925 return; 926 } 927 size = mPendingBroadcasts.size(); 928 if (size <= 0) { 929 // Nothing to be done. Just return 930 return; 931 } 932 packages = new String[size]; 933 components = new ArrayList[size]; 934 uids = new int[size]; 935 int i = 0; // filling out the above arrays 936 937 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 938 int packageUserId = mPendingBroadcasts.userIdAt(n); 939 Iterator<Map.Entry<String, ArrayList<String>>> it 940 = mPendingBroadcasts.packagesForUserId(packageUserId) 941 .entrySet().iterator(); 942 while (it.hasNext() && i < size) { 943 Map.Entry<String, ArrayList<String>> ent = it.next(); 944 packages[i] = ent.getKey(); 945 components[i] = ent.getValue(); 946 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 947 uids[i] = (ps != null) 948 ? UserHandle.getUid(packageUserId, ps.appId) 949 : -1; 950 i++; 951 } 952 } 953 size = i; 954 mPendingBroadcasts.clear(); 955 } 956 // Send broadcasts 957 for (int i = 0; i < size; i++) { 958 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 959 } 960 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 961 break; 962 } 963 case START_CLEANING_PACKAGE: { 964 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 965 final String packageName = (String)msg.obj; 966 final int userId = msg.arg1; 967 final boolean andCode = msg.arg2 != 0; 968 synchronized (mPackages) { 969 if (userId == UserHandle.USER_ALL) { 970 int[] users = sUserManager.getUserIds(); 971 for (int user : users) { 972 mSettings.addPackageToCleanLPw( 973 new PackageCleanItem(user, packageName, andCode)); 974 } 975 } else { 976 mSettings.addPackageToCleanLPw( 977 new PackageCleanItem(userId, packageName, andCode)); 978 } 979 } 980 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 981 startCleaningPackages(); 982 } break; 983 case POST_INSTALL: { 984 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 985 PostInstallData data = mRunningInstalls.get(msg.arg1); 986 mRunningInstalls.delete(msg.arg1); 987 boolean deleteOld = false; 988 989 if (data != null) { 990 InstallArgs args = data.args; 991 PackageInstalledInfo res = data.res; 992 993 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 994 res.removedInfo.sendBroadcast(false, true, false); 995 Bundle extras = new Bundle(1); 996 extras.putInt(Intent.EXTRA_UID, res.uid); 997 // Determine the set of users who are adding this 998 // package for the first time vs. those who are seeing 999 // an update. 1000 int[] firstUsers; 1001 int[] updateUsers = new int[0]; 1002 if (res.origUsers == null || res.origUsers.length == 0) { 1003 firstUsers = res.newUsers; 1004 } else { 1005 firstUsers = new int[0]; 1006 for (int i=0; i<res.newUsers.length; i++) { 1007 int user = res.newUsers[i]; 1008 boolean isNew = true; 1009 for (int j=0; j<res.origUsers.length; j++) { 1010 if (res.origUsers[j] == user) { 1011 isNew = false; 1012 break; 1013 } 1014 } 1015 if (isNew) { 1016 int[] newFirst = new int[firstUsers.length+1]; 1017 System.arraycopy(firstUsers, 0, newFirst, 0, 1018 firstUsers.length); 1019 newFirst[firstUsers.length] = user; 1020 firstUsers = newFirst; 1021 } else { 1022 int[] newUpdate = new int[updateUsers.length+1]; 1023 System.arraycopy(updateUsers, 0, newUpdate, 0, 1024 updateUsers.length); 1025 newUpdate[updateUsers.length] = user; 1026 updateUsers = newUpdate; 1027 } 1028 } 1029 } 1030 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1031 res.pkg.applicationInfo.packageName, 1032 extras, null, null, firstUsers); 1033 final boolean update = res.removedInfo.removedPackage != null; 1034 if (update) { 1035 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1036 } 1037 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1038 res.pkg.applicationInfo.packageName, 1039 extras, null, null, updateUsers); 1040 if (update) { 1041 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1042 res.pkg.applicationInfo.packageName, 1043 extras, null, null, updateUsers); 1044 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1045 null, null, 1046 res.pkg.applicationInfo.packageName, null, updateUsers); 1047 1048 // treat asec-hosted packages like removable media on upgrade 1049 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1050 if (DEBUG_INSTALL) { 1051 Slog.i(TAG, "upgrading pkg " + res.pkg 1052 + " is ASEC-hosted -> AVAILABLE"); 1053 } 1054 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1055 ArrayList<String> pkgList = new ArrayList<String>(1); 1056 pkgList.add(res.pkg.applicationInfo.packageName); 1057 sendResourcesChangedBroadcast(true, true, 1058 pkgList,uidArray, null); 1059 } 1060 } 1061 if (res.removedInfo.args != null) { 1062 // Remove the replaced package's older resources safely now 1063 deleteOld = true; 1064 } 1065 1066 // Log current value of "unknown sources" setting 1067 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1068 getUnknownSourcesSettings()); 1069 } 1070 // Force a gc to clear up things 1071 Runtime.getRuntime().gc(); 1072 // We delete after a gc for applications on sdcard. 1073 if (deleteOld) { 1074 synchronized (mInstallLock) { 1075 res.removedInfo.args.doPostDeleteLI(true); 1076 } 1077 } 1078 if (args.observer != null) { 1079 try { 1080 args.observer.packageInstalled(res.name, res.returnCode); 1081 } catch (RemoteException e) { 1082 Slog.i(TAG, "Observer no longer exists."); 1083 } 1084 } 1085 if (args.observer2 != null) { 1086 try { 1087 Bundle extras = extrasForInstallResult(res); 1088 args.observer2.packageInstalled(res.name, extras, res.returnCode); 1089 } catch (RemoteException e) { 1090 Slog.i(TAG, "Observer no longer exists."); 1091 } 1092 } 1093 } else { 1094 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1095 } 1096 } break; 1097 case UPDATED_MEDIA_STATUS: { 1098 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1099 boolean reportStatus = msg.arg1 == 1; 1100 boolean doGc = msg.arg2 == 1; 1101 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1102 if (doGc) { 1103 // Force a gc to clear up stale containers. 1104 Runtime.getRuntime().gc(); 1105 } 1106 if (msg.obj != null) { 1107 @SuppressWarnings("unchecked") 1108 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1109 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1110 // Unload containers 1111 unloadAllContainers(args); 1112 } 1113 if (reportStatus) { 1114 try { 1115 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1116 PackageHelper.getMountService().finishMediaUpdate(); 1117 } catch (RemoteException e) { 1118 Log.e(TAG, "MountService not running?"); 1119 } 1120 } 1121 } break; 1122 case WRITE_SETTINGS: { 1123 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1124 synchronized (mPackages) { 1125 removeMessages(WRITE_SETTINGS); 1126 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1127 mSettings.writeLPr(); 1128 mDirtyUsers.clear(); 1129 } 1130 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1131 } break; 1132 case WRITE_PACKAGE_RESTRICTIONS: { 1133 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1134 synchronized (mPackages) { 1135 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1136 for (int userId : mDirtyUsers) { 1137 mSettings.writePackageRestrictionsLPr(userId); 1138 } 1139 mDirtyUsers.clear(); 1140 } 1141 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1142 } break; 1143 case CHECK_PENDING_VERIFICATION: { 1144 final int verificationId = msg.arg1; 1145 final PackageVerificationState state = mPendingVerification.get(verificationId); 1146 1147 if ((state != null) && !state.timeoutExtended()) { 1148 final InstallArgs args = state.getInstallArgs(); 1149 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 1150 mPendingVerification.remove(verificationId); 1151 1152 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1153 1154 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1155 Slog.i(TAG, "Continuing with installation of " 1156 + args.packageURI.toString()); 1157 state.setVerifierResponse(Binder.getCallingUid(), 1158 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1159 broadcastPackageVerified(verificationId, args.packageURI, 1160 PackageManager.VERIFICATION_ALLOW, 1161 state.getInstallArgs().getUser()); 1162 try { 1163 ret = args.copyApk(mContainerService, true); 1164 } catch (RemoteException e) { 1165 Slog.e(TAG, "Could not contact the ContainerService"); 1166 } 1167 } else { 1168 broadcastPackageVerified(verificationId, args.packageURI, 1169 PackageManager.VERIFICATION_REJECT, 1170 state.getInstallArgs().getUser()); 1171 } 1172 1173 processPendingInstall(args, ret); 1174 mHandler.sendEmptyMessage(MCS_UNBIND); 1175 } 1176 break; 1177 } 1178 case PACKAGE_VERIFIED: { 1179 final int verificationId = msg.arg1; 1180 1181 final PackageVerificationState state = mPendingVerification.get(verificationId); 1182 if (state == null) { 1183 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1184 break; 1185 } 1186 1187 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1188 1189 state.setVerifierResponse(response.callerUid, response.code); 1190 1191 if (state.isVerificationComplete()) { 1192 mPendingVerification.remove(verificationId); 1193 1194 final InstallArgs args = state.getInstallArgs(); 1195 1196 int ret; 1197 if (state.isInstallAllowed()) { 1198 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1199 broadcastPackageVerified(verificationId, args.packageURI, 1200 response.code, state.getInstallArgs().getUser()); 1201 try { 1202 ret = args.copyApk(mContainerService, true); 1203 } catch (RemoteException e) { 1204 Slog.e(TAG, "Could not contact the ContainerService"); 1205 } 1206 } else { 1207 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1208 } 1209 1210 processPendingInstall(args, ret); 1211 1212 mHandler.sendEmptyMessage(MCS_UNBIND); 1213 } 1214 1215 break; 1216 } 1217 } 1218 } 1219 } 1220 1221 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1222 Bundle extras = null; 1223 switch (res.returnCode) { 1224 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1225 extras = new Bundle(); 1226 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1227 res.origPermission); 1228 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1229 res.origPackage); 1230 break; 1231 } 1232 } 1233 return extras; 1234 } 1235 1236 void scheduleWriteSettingsLocked() { 1237 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1238 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1239 } 1240 } 1241 1242 void scheduleWritePackageRestrictionsLocked(int userId) { 1243 if (!sUserManager.exists(userId)) return; 1244 mDirtyUsers.add(userId); 1245 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1246 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1247 } 1248 } 1249 1250 public static final PackageManagerService main(Context context, Installer installer, 1251 boolean factoryTest, boolean onlyCore) { 1252 PackageManagerService m = new PackageManagerService(context, installer, 1253 factoryTest, onlyCore); 1254 ServiceManager.addService("package", m); 1255 return m; 1256 } 1257 1258 static String[] splitString(String str, char sep) { 1259 int count = 1; 1260 int i = 0; 1261 while ((i=str.indexOf(sep, i)) >= 0) { 1262 count++; 1263 i++; 1264 } 1265 1266 String[] res = new String[count]; 1267 i=0; 1268 count = 0; 1269 int lastI=0; 1270 while ((i=str.indexOf(sep, i)) >= 0) { 1271 res[count] = str.substring(lastI, i); 1272 count++; 1273 i++; 1274 lastI = i; 1275 } 1276 res[count] = str.substring(lastI, str.length()); 1277 return res; 1278 } 1279 1280 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1281 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1282 Context.DISPLAY_SERVICE); 1283 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1284 } 1285 1286 public PackageManagerService(Context context, Installer installer, 1287 boolean factoryTest, boolean onlyCore) { 1288 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1289 SystemClock.uptimeMillis()); 1290 1291 if (mSdkVersion <= 0) { 1292 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1293 } 1294 1295 mContext = context; 1296 mFactoryTest = factoryTest; 1297 mOnlyCore = onlyCore; 1298 mMetrics = new DisplayMetrics(); 1299 mSettings = new Settings(context); 1300 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1301 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1302 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1303 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1304 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1305 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1306 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1307 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1308 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1309 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1310 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1311 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1312 1313 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1314 if (separateProcesses != null && separateProcesses.length() > 0) { 1315 if ("*".equals(separateProcesses)) { 1316 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1317 mSeparateProcesses = null; 1318 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1319 } else { 1320 mDefParseFlags = 0; 1321 mSeparateProcesses = separateProcesses.split(","); 1322 Slog.w(TAG, "Running with debug.separate_processes: " 1323 + separateProcesses); 1324 } 1325 } else { 1326 mDefParseFlags = 0; 1327 mSeparateProcesses = null; 1328 } 1329 1330 mInstaller = installer; 1331 1332 getDefaultDisplayMetrics(context, mMetrics); 1333 1334 synchronized (mInstallLock) { 1335 // writer 1336 synchronized (mPackages) { 1337 mHandlerThread = new ServiceThread(TAG, 1338 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1339 mHandlerThread.start(); 1340 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1341 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1342 1343 File dataDir = Environment.getDataDirectory(); 1344 mAppDataDir = new File(dataDir, "data"); 1345 mAppInstallDir = new File(dataDir, "app"); 1346 mAppLibInstallDir = new File(dataDir, "app-lib"); 1347 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1348 mUserAppDataDir = new File(dataDir, "user"); 1349 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1350 mAppStagingDir = new File(dataDir, "app-staging"); 1351 1352 sUserManager = new UserManagerService(context, this, 1353 mInstallLock, mPackages); 1354 1355 // Read permissions and features from system 1356 readPermissions(Environment.buildPath( 1357 Environment.getRootDirectory(), "etc", "permissions"), false); 1358 // Only read features from OEM 1359 readPermissions(Environment.buildPath( 1360 Environment.getOemDirectory(), "etc", "permissions"), true); 1361 1362 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1363 1364 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1365 mSdkVersion, mOnlyCore); 1366 1367 String customResolverActivity = Resources.getSystem().getString( 1368 R.string.config_customResolverActivity); 1369 if (TextUtils.isEmpty(customResolverActivity)) { 1370 customResolverActivity = null; 1371 } else { 1372 mCustomResolverComponentName = ComponentName.unflattenFromString( 1373 customResolverActivity); 1374 } 1375 1376 long startTime = SystemClock.uptimeMillis(); 1377 1378 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1379 startTime); 1380 1381 // Set flag to monitor and not change apk file paths when 1382 // scanning install directories. 1383 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1384 1385 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1386 1387 /** 1388 * Add everything in the in the boot class path to the 1389 * list of process files because dexopt will have been run 1390 * if necessary during zygote startup. 1391 */ 1392 String bootClassPath = System.getProperty("java.boot.class.path"); 1393 if (bootClassPath != null) { 1394 String[] paths = splitString(bootClassPath, ':'); 1395 for (int i=0; i<paths.length; i++) { 1396 alreadyDexOpted.add(paths[i]); 1397 } 1398 } else { 1399 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1400 } 1401 1402 boolean didDexOptLibraryOrTool = false; 1403 1404 final List<String> instructionSets = getAllInstructionSets(); 1405 1406 /** 1407 * Ensure all external libraries have had dexopt run on them. 1408 */ 1409 if (mSharedLibraries.size() > 0) { 1410 // NOTE: For now, we're compiling these system "shared libraries" 1411 // (and framework jars) into all available architectures. It's possible 1412 // to compile them only when we come across an app that uses them (there's 1413 // already logic for that in scanPackageLI) but that adds some complexity. 1414 for (String instructionSet : instructionSets) { 1415 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1416 final String lib = libEntry.path; 1417 if (lib == null) { 1418 continue; 1419 } 1420 1421 try { 1422 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1423 alreadyDexOpted.add(lib); 1424 1425 // The list of "shared libraries" we have at this point is 1426 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1427 didDexOptLibraryOrTool = true; 1428 } 1429 } catch (FileNotFoundException e) { 1430 Slog.w(TAG, "Library not found: " + lib); 1431 } catch (IOException e) { 1432 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1433 + e.getMessage()); 1434 } 1435 } 1436 } 1437 } 1438 1439 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1440 1441 // Gross hack for now: we know this file doesn't contain any 1442 // code, so don't dexopt it to avoid the resulting log spew. 1443 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1444 1445 // Gross hack for now: we know this file is only part of 1446 // the boot class path for art, so don't dexopt it to 1447 // avoid the resulting log spew. 1448 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1449 1450 /** 1451 * And there are a number of commands implemented in Java, which 1452 * we currently need to do the dexopt on so that they can be 1453 * run from a non-root shell. 1454 */ 1455 String[] frameworkFiles = frameworkDir.list(); 1456 if (frameworkFiles != null) { 1457 // TODO: We could compile these only for the most preferred ABI. We should 1458 // first double check that the dex files for these commands are not referenced 1459 // by other system apps. 1460 for (String instructionSet : instructionSets) { 1461 for (int i=0; i<frameworkFiles.length; i++) { 1462 File libPath = new File(frameworkDir, frameworkFiles[i]); 1463 String path = libPath.getPath(); 1464 // Skip the file if we already did it. 1465 if (alreadyDexOpted.contains(path)) { 1466 continue; 1467 } 1468 // Skip the file if it is not a type we want to dexopt. 1469 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1470 continue; 1471 } 1472 try { 1473 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1474 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1475 didDexOptLibraryOrTool = true; 1476 } 1477 } catch (FileNotFoundException e) { 1478 Slog.w(TAG, "Jar not found: " + path); 1479 } catch (IOException e) { 1480 Slog.w(TAG, "Exception reading jar: " + path, e); 1481 } 1482 } 1483 } 1484 } 1485 1486 if (didDexOptLibraryOrTool) { 1487 // If we dexopted a library or tool, then something on the system has 1488 // changed. Consider this significant, and wipe away all other 1489 // existing dexopt files to ensure we don't leave any dangling around. 1490 // 1491 // TODO: This should be revisited because it isn't as good an indicator 1492 // as it used to be. It used to include the boot classpath but at some point 1493 // DexFile.isDexOptNeeded started returning false for the boot 1494 // class path files in all cases. It is very possible in a 1495 // small maintenance release update that the library and tool 1496 // jars may be unchanged but APK could be removed resulting in 1497 // unused dalvik-cache files. 1498 for (String instructionSet : instructionSets) { 1499 mInstaller.pruneDexCache(instructionSet); 1500 } 1501 1502 // Additionally, delete all dex files from the root directory 1503 // since there shouldn't be any there anyway, unless we're upgrading 1504 // from an older OS version or a build that contained the "old" style 1505 // flat scheme. 1506 mInstaller.pruneDexCache("."); 1507 } 1508 1509 // Collect vendor overlay packages. 1510 // (Do this before scanning any apps.) 1511 // For security and version matching reason, only consider 1512 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1513 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1514 mVendorOverlayInstallObserver = new AppDirObserver( 1515 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1516 mVendorOverlayInstallObserver.startWatching(); 1517 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1518 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1519 1520 // Find base frameworks (resource packages without code). 1521 mFrameworkInstallObserver = new AppDirObserver( 1522 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1523 mFrameworkInstallObserver.startWatching(); 1524 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1525 | PackageParser.PARSE_IS_SYSTEM_DIR 1526 | PackageParser.PARSE_IS_PRIVILEGED, 1527 scanMode | SCAN_NO_DEX, 0); 1528 1529 // Collected privileged system packages. 1530 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1531 mPrivilegedInstallObserver = new AppDirObserver( 1532 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1533 mPrivilegedInstallObserver.startWatching(); 1534 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1535 | PackageParser.PARSE_IS_SYSTEM_DIR 1536 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1537 1538 // Collect ordinary system packages. 1539 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1540 mSystemInstallObserver = new AppDirObserver( 1541 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1542 mSystemInstallObserver.startWatching(); 1543 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1544 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1545 1546 // Collect all vendor packages. 1547 File vendorAppDir = new File("/vendor/app"); 1548 try { 1549 vendorAppDir = vendorAppDir.getCanonicalFile(); 1550 } catch (IOException e) { 1551 // failed to look up canonical path, continue with original one 1552 } 1553 mVendorInstallObserver = new AppDirObserver( 1554 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1555 mVendorInstallObserver.startWatching(); 1556 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1557 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1558 1559 // Collect all OEM packages. 1560 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1561 mOemInstallObserver = new AppDirObserver( 1562 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1563 mOemInstallObserver.startWatching(); 1564 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1565 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1566 1567 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1568 mInstaller.moveFiles(); 1569 1570 // Prune any system packages that no longer exist. 1571 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1572 if (!mOnlyCore) { 1573 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1574 while (psit.hasNext()) { 1575 PackageSetting ps = psit.next(); 1576 1577 /* 1578 * If this is not a system app, it can't be a 1579 * disable system app. 1580 */ 1581 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1582 continue; 1583 } 1584 1585 /* 1586 * If the package is scanned, it's not erased. 1587 */ 1588 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1589 if (scannedPkg != null) { 1590 /* 1591 * If the system app is both scanned and in the 1592 * disabled packages list, then it must have been 1593 * added via OTA. Remove it from the currently 1594 * scanned package so the previously user-installed 1595 * application can be scanned. 1596 */ 1597 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1598 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1599 + "; removing system app"); 1600 removePackageLI(ps, true); 1601 } 1602 1603 continue; 1604 } 1605 1606 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1607 psit.remove(); 1608 String msg = "System package " + ps.name 1609 + " no longer exists; wiping its data"; 1610 reportSettingsProblem(Log.WARN, msg); 1611 removeDataDirsLI(ps.name); 1612 } else { 1613 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1614 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1615 possiblyDeletedUpdatedSystemApps.add(ps.name); 1616 } 1617 } 1618 } 1619 } 1620 1621 //look for any incomplete package installations 1622 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1623 //clean up list 1624 for(int i = 0; i < deletePkgsList.size(); i++) { 1625 //clean up here 1626 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1627 } 1628 //delete tmp files 1629 deleteTempPackageFiles(); 1630 1631 // Remove any shared userIDs that have no associated packages 1632 mSettings.pruneSharedUsersLPw(); 1633 1634 if (!mOnlyCore) { 1635 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1636 SystemClock.uptimeMillis()); 1637 mAppInstallObserver = new AppDirObserver( 1638 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1639 mAppInstallObserver.startWatching(); 1640 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1641 1642 mDrmAppInstallObserver = new AppDirObserver( 1643 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1644 mDrmAppInstallObserver.startWatching(); 1645 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1646 scanMode, 0); 1647 1648 /** 1649 * Remove disable package settings for any updated system 1650 * apps that were removed via an OTA. If they're not a 1651 * previously-updated app, remove them completely. 1652 * Otherwise, just revoke their system-level permissions. 1653 */ 1654 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1655 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1656 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1657 1658 String msg; 1659 if (deletedPkg == null) { 1660 msg = "Updated system package " + deletedAppName 1661 + " no longer exists; wiping its data"; 1662 removeDataDirsLI(deletedAppName); 1663 } else { 1664 msg = "Updated system app + " + deletedAppName 1665 + " no longer present; removing system privileges for " 1666 + deletedAppName; 1667 1668 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1669 1670 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1671 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1672 } 1673 reportSettingsProblem(Log.WARN, msg); 1674 } 1675 } else { 1676 mAppInstallObserver = null; 1677 mDrmAppInstallObserver = null; 1678 } 1679 1680 // Now that we know all of the shared libraries, update all clients to have 1681 // the correct library paths. 1682 updateAllSharedLibrariesLPw(); 1683 1684 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1685 // NOTE: We ignore potential failures here during a system scan (like 1686 // the rest of the commands above) because there's precious little we 1687 // can do about it. A settings error is reported, though. 1688 adjustCpuAbisForSharedUserLPw(setting.packages, null, 1689 false /* force dexopt */, false /* defer dexopt */); 1690 } 1691 1692 // Now that we know all the packages we are keeping, 1693 // read and update their last usage times. 1694 mPackageUsage.readLP(); 1695 1696 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1697 SystemClock.uptimeMillis()); 1698 Slog.i(TAG, "Time to scan packages: " 1699 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1700 + " seconds"); 1701 1702 // If the platform SDK has changed since the last time we booted, 1703 // we need to re-grant app permission to catch any new ones that 1704 // appear. This is really a hack, and means that apps can in some 1705 // cases get permissions that the user didn't initially explicitly 1706 // allow... it would be nice to have some better way to handle 1707 // this situation. 1708 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1709 != mSdkVersion; 1710 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1711 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1712 + "; regranting permissions for internal storage"); 1713 mSettings.mInternalSdkPlatform = mSdkVersion; 1714 1715 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1716 | (regrantPermissions 1717 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1718 : 0)); 1719 1720 // If this is the first boot, and it is a normal boot, then 1721 // we need to initialize the default preferred apps. 1722 if (!mRestoredSettings && !onlyCore) { 1723 mSettings.readDefaultPreferredAppsLPw(this, 0); 1724 } 1725 1726 // All the changes are done during package scanning. 1727 mSettings.updateInternalDatabaseVersion(); 1728 1729 // can downgrade to reader 1730 mSettings.writeLPr(); 1731 1732 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1733 SystemClock.uptimeMillis()); 1734 1735 1736 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1737 } // synchronized (mPackages) 1738 } // synchronized (mInstallLock) 1739 1740 mInstallerService = new PackageInstallerService(context, this, mAppStagingDir); 1741 1742 // Now after opening every single application zip, make sure they 1743 // are all flushed. Not really needed, but keeps things nice and 1744 // tidy. 1745 Runtime.getRuntime().gc(); 1746 } 1747 1748 @Override 1749 public boolean isFirstBoot() { 1750 return !mRestoredSettings; 1751 } 1752 1753 @Override 1754 public boolean isOnlyCoreApps() { 1755 return mOnlyCore; 1756 } 1757 1758 private String getRequiredVerifierLPr() { 1759 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1760 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1761 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1762 1763 String requiredVerifier = null; 1764 1765 final int N = receivers.size(); 1766 for (int i = 0; i < N; i++) { 1767 final ResolveInfo info = receivers.get(i); 1768 1769 if (info.activityInfo == null) { 1770 continue; 1771 } 1772 1773 final String packageName = info.activityInfo.packageName; 1774 1775 final PackageSetting ps = mSettings.mPackages.get(packageName); 1776 if (ps == null) { 1777 continue; 1778 } 1779 1780 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1781 if (!gp.grantedPermissions 1782 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1783 continue; 1784 } 1785 1786 if (requiredVerifier != null) { 1787 throw new RuntimeException("There can be only one required verifier"); 1788 } 1789 1790 requiredVerifier = packageName; 1791 } 1792 1793 return requiredVerifier; 1794 } 1795 1796 @Override 1797 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1798 throws RemoteException { 1799 try { 1800 return super.onTransact(code, data, reply, flags); 1801 } catch (RuntimeException e) { 1802 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1803 Slog.wtf(TAG, "Package Manager Crash", e); 1804 } 1805 throw e; 1806 } 1807 } 1808 1809 void cleanupInstallFailedPackage(PackageSetting ps) { 1810 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1811 removeDataDirsLI(ps.name); 1812 if (ps.codePath != null) { 1813 if (!ps.codePath.delete()) { 1814 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1815 } 1816 } 1817 if (ps.resourcePath != null) { 1818 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1819 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1820 } 1821 } 1822 mSettings.removePackageLPw(ps.name); 1823 } 1824 1825 void readPermissions(File libraryDir, boolean onlyFeatures) { 1826 // Read permissions from .../etc/permission directory. 1827 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1828 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1829 return; 1830 } 1831 if (!libraryDir.canRead()) { 1832 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1833 return; 1834 } 1835 1836 // Iterate over the files in the directory and scan .xml files 1837 for (File f : libraryDir.listFiles()) { 1838 // We'll read platform.xml last 1839 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1840 continue; 1841 } 1842 1843 if (!f.getPath().endsWith(".xml")) { 1844 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1845 continue; 1846 } 1847 if (!f.canRead()) { 1848 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1849 continue; 1850 } 1851 1852 readPermissionsFromXml(f, onlyFeatures); 1853 } 1854 1855 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1856 final File permFile = new File(Environment.getRootDirectory(), 1857 "etc/permissions/platform.xml"); 1858 readPermissionsFromXml(permFile, onlyFeatures); 1859 } 1860 1861 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1862 FileReader permReader = null; 1863 try { 1864 permReader = new FileReader(permFile); 1865 } catch (FileNotFoundException e) { 1866 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1867 return; 1868 } 1869 1870 try { 1871 XmlPullParser parser = Xml.newPullParser(); 1872 parser.setInput(permReader); 1873 1874 XmlUtils.beginDocument(parser, "permissions"); 1875 1876 while (true) { 1877 XmlUtils.nextElement(parser); 1878 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1879 break; 1880 } 1881 1882 String name = parser.getName(); 1883 if ("group".equals(name) && !onlyFeatures) { 1884 String gidStr = parser.getAttributeValue(null, "gid"); 1885 if (gidStr != null) { 1886 int gid = Process.getGidForName(gidStr); 1887 mGlobalGids = appendInt(mGlobalGids, gid); 1888 } else { 1889 Slog.w(TAG, "<group> without gid at " 1890 + parser.getPositionDescription()); 1891 } 1892 1893 XmlUtils.skipCurrentTag(parser); 1894 continue; 1895 } else if ("permission".equals(name) && !onlyFeatures) { 1896 String perm = parser.getAttributeValue(null, "name"); 1897 if (perm == null) { 1898 Slog.w(TAG, "<permission> without name at " 1899 + parser.getPositionDescription()); 1900 XmlUtils.skipCurrentTag(parser); 1901 continue; 1902 } 1903 perm = perm.intern(); 1904 readPermission(parser, perm); 1905 1906 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1907 String perm = parser.getAttributeValue(null, "name"); 1908 if (perm == null) { 1909 Slog.w(TAG, "<assign-permission> without name at " 1910 + parser.getPositionDescription()); 1911 XmlUtils.skipCurrentTag(parser); 1912 continue; 1913 } 1914 String uidStr = parser.getAttributeValue(null, "uid"); 1915 if (uidStr == null) { 1916 Slog.w(TAG, "<assign-permission> without uid at " 1917 + parser.getPositionDescription()); 1918 XmlUtils.skipCurrentTag(parser); 1919 continue; 1920 } 1921 int uid = Process.getUidForName(uidStr); 1922 if (uid < 0) { 1923 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1924 + uidStr + "\" at " 1925 + parser.getPositionDescription()); 1926 XmlUtils.skipCurrentTag(parser); 1927 continue; 1928 } 1929 perm = perm.intern(); 1930 HashSet<String> perms = mSystemPermissions.get(uid); 1931 if (perms == null) { 1932 perms = new HashSet<String>(); 1933 mSystemPermissions.put(uid, perms); 1934 } 1935 perms.add(perm); 1936 XmlUtils.skipCurrentTag(parser); 1937 1938 } else if ("library".equals(name) && !onlyFeatures) { 1939 String lname = parser.getAttributeValue(null, "name"); 1940 String lfile = parser.getAttributeValue(null, "file"); 1941 if (lname == null) { 1942 Slog.w(TAG, "<library> without name at " 1943 + parser.getPositionDescription()); 1944 } else if (lfile == null) { 1945 Slog.w(TAG, "<library> without file at " 1946 + parser.getPositionDescription()); 1947 } else { 1948 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1949 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1950 } 1951 XmlUtils.skipCurrentTag(parser); 1952 continue; 1953 1954 } else if ("feature".equals(name)) { 1955 String fname = parser.getAttributeValue(null, "name"); 1956 if (fname == null) { 1957 Slog.w(TAG, "<feature> without name at " 1958 + parser.getPositionDescription()); 1959 } else { 1960 //Log.i(TAG, "Got feature " + fname); 1961 FeatureInfo fi = new FeatureInfo(); 1962 fi.name = fname; 1963 mAvailableFeatures.put(fname, fi); 1964 } 1965 XmlUtils.skipCurrentTag(parser); 1966 continue; 1967 1968 } else { 1969 XmlUtils.skipCurrentTag(parser); 1970 continue; 1971 } 1972 1973 } 1974 permReader.close(); 1975 } catch (XmlPullParserException e) { 1976 Slog.w(TAG, "Got execption parsing permissions.", e); 1977 } catch (IOException e) { 1978 Slog.w(TAG, "Got execption parsing permissions.", e); 1979 } 1980 } 1981 1982 void readPermission(XmlPullParser parser, String name) 1983 throws IOException, XmlPullParserException { 1984 1985 name = name.intern(); 1986 1987 BasePermission bp = mSettings.mPermissions.get(name); 1988 if (bp == null) { 1989 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1990 mSettings.mPermissions.put(name, bp); 1991 } 1992 int outerDepth = parser.getDepth(); 1993 int type; 1994 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1995 && (type != XmlPullParser.END_TAG 1996 || parser.getDepth() > outerDepth)) { 1997 if (type == XmlPullParser.END_TAG 1998 || type == XmlPullParser.TEXT) { 1999 continue; 2000 } 2001 2002 String tagName = parser.getName(); 2003 if ("group".equals(tagName)) { 2004 String gidStr = parser.getAttributeValue(null, "gid"); 2005 if (gidStr != null) { 2006 int gid = Process.getGidForName(gidStr); 2007 bp.gids = appendInt(bp.gids, gid); 2008 } else { 2009 Slog.w(TAG, "<group> without gid at " 2010 + parser.getPositionDescription()); 2011 } 2012 } 2013 XmlUtils.skipCurrentTag(parser); 2014 } 2015 } 2016 2017 static int[] appendInts(int[] cur, int[] add) { 2018 if (add == null) return cur; 2019 if (cur == null) return add; 2020 final int N = add.length; 2021 for (int i=0; i<N; i++) { 2022 cur = appendInt(cur, add[i]); 2023 } 2024 return cur; 2025 } 2026 2027 static int[] removeInts(int[] cur, int[] rem) { 2028 if (rem == null) return cur; 2029 if (cur == null) return cur; 2030 final int N = rem.length; 2031 for (int i=0; i<N; i++) { 2032 cur = removeInt(cur, rem[i]); 2033 } 2034 return cur; 2035 } 2036 2037 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2038 if (!sUserManager.exists(userId)) return null; 2039 final PackageSetting ps = (PackageSetting) p.mExtras; 2040 if (ps == null) { 2041 return null; 2042 } 2043 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2044 final PackageUserState state = ps.readUserState(userId); 2045 return PackageParser.generatePackageInfo(p, gp.gids, flags, 2046 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 2047 state, userId); 2048 } 2049 2050 @Override 2051 public boolean isPackageAvailable(String packageName, int userId) { 2052 if (!sUserManager.exists(userId)) return false; 2053 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 2054 synchronized (mPackages) { 2055 PackageParser.Package p = mPackages.get(packageName); 2056 if (p != null) { 2057 final PackageSetting ps = (PackageSetting) p.mExtras; 2058 if (ps != null) { 2059 final PackageUserState state = ps.readUserState(userId); 2060 if (state != null) { 2061 return PackageParser.isAvailable(state); 2062 } 2063 } 2064 } 2065 } 2066 return false; 2067 } 2068 2069 @Override 2070 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2071 if (!sUserManager.exists(userId)) return null; 2072 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 2073 // reader 2074 synchronized (mPackages) { 2075 PackageParser.Package p = mPackages.get(packageName); 2076 if (DEBUG_PACKAGE_INFO) 2077 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2078 if (p != null) { 2079 return generatePackageInfo(p, flags, userId); 2080 } 2081 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2082 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2083 } 2084 } 2085 return null; 2086 } 2087 2088 @Override 2089 public String[] currentToCanonicalPackageNames(String[] names) { 2090 String[] out = new String[names.length]; 2091 // reader 2092 synchronized (mPackages) { 2093 for (int i=names.length-1; i>=0; i--) { 2094 PackageSetting ps = mSettings.mPackages.get(names[i]); 2095 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2096 } 2097 } 2098 return out; 2099 } 2100 2101 @Override 2102 public String[] canonicalToCurrentPackageNames(String[] names) { 2103 String[] out = new String[names.length]; 2104 // reader 2105 synchronized (mPackages) { 2106 for (int i=names.length-1; i>=0; i--) { 2107 String cur = mSettings.mRenamedPackages.get(names[i]); 2108 out[i] = cur != null ? cur : names[i]; 2109 } 2110 } 2111 return out; 2112 } 2113 2114 @Override 2115 public int getPackageUid(String packageName, int userId) { 2116 if (!sUserManager.exists(userId)) return -1; 2117 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2118 // reader 2119 synchronized (mPackages) { 2120 PackageParser.Package p = mPackages.get(packageName); 2121 if(p != null) { 2122 return UserHandle.getUid(userId, p.applicationInfo.uid); 2123 } 2124 PackageSetting ps = mSettings.mPackages.get(packageName); 2125 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2126 return -1; 2127 } 2128 p = ps.pkg; 2129 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2130 } 2131 } 2132 2133 @Override 2134 public int[] getPackageGids(String packageName) { 2135 // reader 2136 synchronized (mPackages) { 2137 PackageParser.Package p = mPackages.get(packageName); 2138 if (DEBUG_PACKAGE_INFO) 2139 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2140 if (p != null) { 2141 final PackageSetting ps = (PackageSetting)p.mExtras; 2142 return ps.getGids(); 2143 } 2144 } 2145 // stupid thing to indicate an error. 2146 return new int[0]; 2147 } 2148 2149 static final PermissionInfo generatePermissionInfo( 2150 BasePermission bp, int flags) { 2151 if (bp.perm != null) { 2152 return PackageParser.generatePermissionInfo(bp.perm, flags); 2153 } 2154 PermissionInfo pi = new PermissionInfo(); 2155 pi.name = bp.name; 2156 pi.packageName = bp.sourcePackage; 2157 pi.nonLocalizedLabel = bp.name; 2158 pi.protectionLevel = bp.protectionLevel; 2159 return pi; 2160 } 2161 2162 @Override 2163 public PermissionInfo getPermissionInfo(String name, int flags) { 2164 // reader 2165 synchronized (mPackages) { 2166 final BasePermission p = mSettings.mPermissions.get(name); 2167 if (p != null) { 2168 return generatePermissionInfo(p, flags); 2169 } 2170 return null; 2171 } 2172 } 2173 2174 @Override 2175 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2176 // reader 2177 synchronized (mPackages) { 2178 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2179 for (BasePermission p : mSettings.mPermissions.values()) { 2180 if (group == null) { 2181 if (p.perm == null || p.perm.info.group == null) { 2182 out.add(generatePermissionInfo(p, flags)); 2183 } 2184 } else { 2185 if (p.perm != null && group.equals(p.perm.info.group)) { 2186 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2187 } 2188 } 2189 } 2190 2191 if (out.size() > 0) { 2192 return out; 2193 } 2194 return mPermissionGroups.containsKey(group) ? out : null; 2195 } 2196 } 2197 2198 @Override 2199 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2200 // reader 2201 synchronized (mPackages) { 2202 return PackageParser.generatePermissionGroupInfo( 2203 mPermissionGroups.get(name), flags); 2204 } 2205 } 2206 2207 @Override 2208 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2209 // reader 2210 synchronized (mPackages) { 2211 final int N = mPermissionGroups.size(); 2212 ArrayList<PermissionGroupInfo> out 2213 = new ArrayList<PermissionGroupInfo>(N); 2214 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2215 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2216 } 2217 return out; 2218 } 2219 } 2220 2221 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2222 int userId) { 2223 if (!sUserManager.exists(userId)) return null; 2224 PackageSetting ps = mSettings.mPackages.get(packageName); 2225 if (ps != null) { 2226 if (ps.pkg == null) { 2227 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2228 flags, userId); 2229 if (pInfo != null) { 2230 return pInfo.applicationInfo; 2231 } 2232 return null; 2233 } 2234 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2235 ps.readUserState(userId), userId); 2236 } 2237 return null; 2238 } 2239 2240 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2241 int userId) { 2242 if (!sUserManager.exists(userId)) return null; 2243 PackageSetting ps = mSettings.mPackages.get(packageName); 2244 if (ps != null) { 2245 PackageParser.Package pkg = ps.pkg; 2246 if (pkg == null) { 2247 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2248 return null; 2249 } 2250 // App code is gone, so we aren't worried about split paths 2251 pkg = new PackageParser.Package(packageName); 2252 pkg.applicationInfo.packageName = packageName; 2253 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2254 pkg.applicationInfo.sourceDir = ps.codePathString; 2255 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2256 pkg.applicationInfo.dataDir = 2257 getDataPathForPackage(packageName, 0).getPath(); 2258 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2259 pkg.applicationInfo.cpuAbi = ps.cpuAbiString; 2260 } 2261 return generatePackageInfo(pkg, flags, userId); 2262 } 2263 return null; 2264 } 2265 2266 @Override 2267 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2268 if (!sUserManager.exists(userId)) return null; 2269 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2270 // writer 2271 synchronized (mPackages) { 2272 PackageParser.Package p = mPackages.get(packageName); 2273 if (DEBUG_PACKAGE_INFO) Log.v( 2274 TAG, "getApplicationInfo " + packageName 2275 + ": " + p); 2276 if (p != null) { 2277 PackageSetting ps = mSettings.mPackages.get(packageName); 2278 if (ps == null) return null; 2279 // Note: isEnabledLP() does not apply here - always return info 2280 return PackageParser.generateApplicationInfo( 2281 p, flags, ps.readUserState(userId), userId); 2282 } 2283 if ("android".equals(packageName)||"system".equals(packageName)) { 2284 return mAndroidApplication; 2285 } 2286 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2287 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2288 } 2289 } 2290 return null; 2291 } 2292 2293 2294 @Override 2295 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2296 mContext.enforceCallingOrSelfPermission( 2297 android.Manifest.permission.CLEAR_APP_CACHE, null); 2298 // Queue up an async operation since clearing cache may take a little while. 2299 mHandler.post(new Runnable() { 2300 public void run() { 2301 mHandler.removeCallbacks(this); 2302 int retCode = -1; 2303 synchronized (mInstallLock) { 2304 retCode = mInstaller.freeCache(freeStorageSize); 2305 if (retCode < 0) { 2306 Slog.w(TAG, "Couldn't clear application caches"); 2307 } 2308 } 2309 if (observer != null) { 2310 try { 2311 observer.onRemoveCompleted(null, (retCode >= 0)); 2312 } catch (RemoteException e) { 2313 Slog.w(TAG, "RemoveException when invoking call back"); 2314 } 2315 } 2316 } 2317 }); 2318 } 2319 2320 @Override 2321 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2322 mContext.enforceCallingOrSelfPermission( 2323 android.Manifest.permission.CLEAR_APP_CACHE, null); 2324 // Queue up an async operation since clearing cache may take a little while. 2325 mHandler.post(new Runnable() { 2326 public void run() { 2327 mHandler.removeCallbacks(this); 2328 int retCode = -1; 2329 synchronized (mInstallLock) { 2330 retCode = mInstaller.freeCache(freeStorageSize); 2331 if (retCode < 0) { 2332 Slog.w(TAG, "Couldn't clear application caches"); 2333 } 2334 } 2335 if(pi != null) { 2336 try { 2337 // Callback via pending intent 2338 int code = (retCode >= 0) ? 1 : 0; 2339 pi.sendIntent(null, code, null, 2340 null, null); 2341 } catch (SendIntentException e1) { 2342 Slog.i(TAG, "Failed to send pending intent"); 2343 } 2344 } 2345 } 2346 }); 2347 } 2348 2349 void freeStorage(long freeStorageSize) throws IOException { 2350 synchronized (mInstallLock) { 2351 if (mInstaller.freeCache(freeStorageSize) < 0) { 2352 throw new IOException("Failed to free enough space"); 2353 } 2354 } 2355 } 2356 2357 @Override 2358 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2359 if (!sUserManager.exists(userId)) return null; 2360 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2361 synchronized (mPackages) { 2362 PackageParser.Activity a = mActivities.mActivities.get(component); 2363 2364 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2365 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2366 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2367 if (ps == null) return null; 2368 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2369 userId); 2370 } 2371 if (mResolveComponentName.equals(component)) { 2372 return mResolveActivity; 2373 } 2374 } 2375 return null; 2376 } 2377 2378 @Override 2379 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2380 String resolvedType) { 2381 synchronized (mPackages) { 2382 PackageParser.Activity a = mActivities.mActivities.get(component); 2383 if (a == null) { 2384 return false; 2385 } 2386 for (int i=0; i<a.intents.size(); i++) { 2387 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2388 intent.getData(), intent.getCategories(), TAG) >= 0) { 2389 return true; 2390 } 2391 } 2392 return false; 2393 } 2394 } 2395 2396 @Override 2397 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2398 if (!sUserManager.exists(userId)) return null; 2399 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2400 synchronized (mPackages) { 2401 PackageParser.Activity a = mReceivers.mActivities.get(component); 2402 if (DEBUG_PACKAGE_INFO) Log.v( 2403 TAG, "getReceiverInfo " + component + ": " + a); 2404 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2405 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2406 if (ps == null) return null; 2407 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2408 userId); 2409 } 2410 } 2411 return null; 2412 } 2413 2414 @Override 2415 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2416 if (!sUserManager.exists(userId)) return null; 2417 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2418 synchronized (mPackages) { 2419 PackageParser.Service s = mServices.mServices.get(component); 2420 if (DEBUG_PACKAGE_INFO) Log.v( 2421 TAG, "getServiceInfo " + component + ": " + s); 2422 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2423 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2424 if (ps == null) return null; 2425 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2426 userId); 2427 } 2428 } 2429 return null; 2430 } 2431 2432 @Override 2433 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2434 if (!sUserManager.exists(userId)) return null; 2435 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2436 synchronized (mPackages) { 2437 PackageParser.Provider p = mProviders.mProviders.get(component); 2438 if (DEBUG_PACKAGE_INFO) Log.v( 2439 TAG, "getProviderInfo " + component + ": " + p); 2440 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2441 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2442 if (ps == null) return null; 2443 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2444 userId); 2445 } 2446 } 2447 return null; 2448 } 2449 2450 @Override 2451 public String[] getSystemSharedLibraryNames() { 2452 Set<String> libSet; 2453 synchronized (mPackages) { 2454 libSet = mSharedLibraries.keySet(); 2455 int size = libSet.size(); 2456 if (size > 0) { 2457 String[] libs = new String[size]; 2458 libSet.toArray(libs); 2459 return libs; 2460 } 2461 } 2462 return null; 2463 } 2464 2465 @Override 2466 public FeatureInfo[] getSystemAvailableFeatures() { 2467 Collection<FeatureInfo> featSet; 2468 synchronized (mPackages) { 2469 featSet = mAvailableFeatures.values(); 2470 int size = featSet.size(); 2471 if (size > 0) { 2472 FeatureInfo[] features = new FeatureInfo[size+1]; 2473 featSet.toArray(features); 2474 FeatureInfo fi = new FeatureInfo(); 2475 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2476 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2477 features[size] = fi; 2478 return features; 2479 } 2480 } 2481 return null; 2482 } 2483 2484 @Override 2485 public boolean hasSystemFeature(String name) { 2486 synchronized (mPackages) { 2487 return mAvailableFeatures.containsKey(name); 2488 } 2489 } 2490 2491 private void checkValidCaller(int uid, int userId) { 2492 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2493 return; 2494 2495 throw new SecurityException("Caller uid=" + uid 2496 + " is not privileged to communicate with user=" + userId); 2497 } 2498 2499 @Override 2500 public int checkPermission(String permName, String pkgName) { 2501 synchronized (mPackages) { 2502 PackageParser.Package p = mPackages.get(pkgName); 2503 if (p != null && p.mExtras != null) { 2504 PackageSetting ps = (PackageSetting)p.mExtras; 2505 if (ps.sharedUser != null) { 2506 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2507 return PackageManager.PERMISSION_GRANTED; 2508 } 2509 } else if (ps.grantedPermissions.contains(permName)) { 2510 return PackageManager.PERMISSION_GRANTED; 2511 } 2512 } 2513 } 2514 return PackageManager.PERMISSION_DENIED; 2515 } 2516 2517 @Override 2518 public int checkUidPermission(String permName, int uid) { 2519 synchronized (mPackages) { 2520 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2521 if (obj != null) { 2522 GrantedPermissions gp = (GrantedPermissions)obj; 2523 if (gp.grantedPermissions.contains(permName)) { 2524 return PackageManager.PERMISSION_GRANTED; 2525 } 2526 } else { 2527 HashSet<String> perms = mSystemPermissions.get(uid); 2528 if (perms != null && perms.contains(permName)) { 2529 return PackageManager.PERMISSION_GRANTED; 2530 } 2531 } 2532 } 2533 return PackageManager.PERMISSION_DENIED; 2534 } 2535 2536 /** 2537 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2538 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2539 * @param message the message to log on security exception 2540 */ 2541 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2542 String message) { 2543 if (userId < 0) { 2544 throw new IllegalArgumentException("Invalid userId " + userId); 2545 } 2546 if (userId == UserHandle.getUserId(callingUid)) return; 2547 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2548 if (requireFullPermission) { 2549 mContext.enforceCallingOrSelfPermission( 2550 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2551 } else { 2552 try { 2553 mContext.enforceCallingOrSelfPermission( 2554 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2555 } catch (SecurityException se) { 2556 mContext.enforceCallingOrSelfPermission( 2557 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2558 } 2559 } 2560 } 2561 } 2562 2563 private BasePermission findPermissionTreeLP(String permName) { 2564 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2565 if (permName.startsWith(bp.name) && 2566 permName.length() > bp.name.length() && 2567 permName.charAt(bp.name.length()) == '.') { 2568 return bp; 2569 } 2570 } 2571 return null; 2572 } 2573 2574 private BasePermission checkPermissionTreeLP(String permName) { 2575 if (permName != null) { 2576 BasePermission bp = findPermissionTreeLP(permName); 2577 if (bp != null) { 2578 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2579 return bp; 2580 } 2581 throw new SecurityException("Calling uid " 2582 + Binder.getCallingUid() 2583 + " is not allowed to add to permission tree " 2584 + bp.name + " owned by uid " + bp.uid); 2585 } 2586 } 2587 throw new SecurityException("No permission tree found for " + permName); 2588 } 2589 2590 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2591 if (s1 == null) { 2592 return s2 == null; 2593 } 2594 if (s2 == null) { 2595 return false; 2596 } 2597 if (s1.getClass() != s2.getClass()) { 2598 return false; 2599 } 2600 return s1.equals(s2); 2601 } 2602 2603 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2604 if (pi1.icon != pi2.icon) return false; 2605 if (pi1.logo != pi2.logo) return false; 2606 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2607 if (!compareStrings(pi1.name, pi2.name)) return false; 2608 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2609 // We'll take care of setting this one. 2610 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2611 // These are not currently stored in settings. 2612 //if (!compareStrings(pi1.group, pi2.group)) return false; 2613 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2614 //if (pi1.labelRes != pi2.labelRes) return false; 2615 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2616 return true; 2617 } 2618 2619 int permissionInfoFootprint(PermissionInfo info) { 2620 int size = info.name.length(); 2621 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2622 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2623 return size; 2624 } 2625 2626 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2627 int size = 0; 2628 for (BasePermission perm : mSettings.mPermissions.values()) { 2629 if (perm.uid == tree.uid) { 2630 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2631 } 2632 } 2633 return size; 2634 } 2635 2636 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2637 // We calculate the max size of permissions defined by this uid and throw 2638 // if that plus the size of 'info' would exceed our stated maximum. 2639 if (tree.uid != Process.SYSTEM_UID) { 2640 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2641 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2642 throw new SecurityException("Permission tree size cap exceeded"); 2643 } 2644 } 2645 } 2646 2647 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2648 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2649 throw new SecurityException("Label must be specified in permission"); 2650 } 2651 BasePermission tree = checkPermissionTreeLP(info.name); 2652 BasePermission bp = mSettings.mPermissions.get(info.name); 2653 boolean added = bp == null; 2654 boolean changed = true; 2655 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2656 if (added) { 2657 enforcePermissionCapLocked(info, tree); 2658 bp = new BasePermission(info.name, tree.sourcePackage, 2659 BasePermission.TYPE_DYNAMIC); 2660 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2661 throw new SecurityException( 2662 "Not allowed to modify non-dynamic permission " 2663 + info.name); 2664 } else { 2665 if (bp.protectionLevel == fixedLevel 2666 && bp.perm.owner.equals(tree.perm.owner) 2667 && bp.uid == tree.uid 2668 && comparePermissionInfos(bp.perm.info, info)) { 2669 changed = false; 2670 } 2671 } 2672 bp.protectionLevel = fixedLevel; 2673 info = new PermissionInfo(info); 2674 info.protectionLevel = fixedLevel; 2675 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2676 bp.perm.info.packageName = tree.perm.info.packageName; 2677 bp.uid = tree.uid; 2678 if (added) { 2679 mSettings.mPermissions.put(info.name, bp); 2680 } 2681 if (changed) { 2682 if (!async) { 2683 mSettings.writeLPr(); 2684 } else { 2685 scheduleWriteSettingsLocked(); 2686 } 2687 } 2688 return added; 2689 } 2690 2691 @Override 2692 public boolean addPermission(PermissionInfo info) { 2693 synchronized (mPackages) { 2694 return addPermissionLocked(info, false); 2695 } 2696 } 2697 2698 @Override 2699 public boolean addPermissionAsync(PermissionInfo info) { 2700 synchronized (mPackages) { 2701 return addPermissionLocked(info, true); 2702 } 2703 } 2704 2705 @Override 2706 public void removePermission(String name) { 2707 synchronized (mPackages) { 2708 checkPermissionTreeLP(name); 2709 BasePermission bp = mSettings.mPermissions.get(name); 2710 if (bp != null) { 2711 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2712 throw new SecurityException( 2713 "Not allowed to modify non-dynamic permission " 2714 + name); 2715 } 2716 mSettings.mPermissions.remove(name); 2717 mSettings.writeLPr(); 2718 } 2719 } 2720 } 2721 2722 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2723 int index = pkg.requestedPermissions.indexOf(bp.name); 2724 if (index == -1) { 2725 throw new SecurityException("Package " + pkg.packageName 2726 + " has not requested permission " + bp.name); 2727 } 2728 boolean isNormal = 2729 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2730 == PermissionInfo.PROTECTION_NORMAL); 2731 boolean isDangerous = 2732 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2733 == PermissionInfo.PROTECTION_DANGEROUS); 2734 boolean isDevelopment = 2735 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2736 2737 if (!isNormal && !isDangerous && !isDevelopment) { 2738 throw new SecurityException("Permission " + bp.name 2739 + " is not a changeable permission type"); 2740 } 2741 2742 if (isNormal || isDangerous) { 2743 if (pkg.requestedPermissionsRequired.get(index)) { 2744 throw new SecurityException("Can't change " + bp.name 2745 + ". It is required by the application"); 2746 } 2747 } 2748 } 2749 2750 @Override 2751 public void grantPermission(String packageName, String permissionName) { 2752 mContext.enforceCallingOrSelfPermission( 2753 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2754 synchronized (mPackages) { 2755 final PackageParser.Package pkg = mPackages.get(packageName); 2756 if (pkg == null) { 2757 throw new IllegalArgumentException("Unknown package: " + packageName); 2758 } 2759 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2760 if (bp == null) { 2761 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2762 } 2763 2764 checkGrantRevokePermissions(pkg, bp); 2765 2766 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2767 if (ps == null) { 2768 return; 2769 } 2770 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2771 if (gp.grantedPermissions.add(permissionName)) { 2772 if (ps.haveGids) { 2773 gp.gids = appendInts(gp.gids, bp.gids); 2774 } 2775 mSettings.writeLPr(); 2776 } 2777 } 2778 } 2779 2780 @Override 2781 public void revokePermission(String packageName, String permissionName) { 2782 int changedAppId = -1; 2783 2784 synchronized (mPackages) { 2785 final PackageParser.Package pkg = mPackages.get(packageName); 2786 if (pkg == null) { 2787 throw new IllegalArgumentException("Unknown package: " + packageName); 2788 } 2789 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2790 mContext.enforceCallingOrSelfPermission( 2791 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2792 } 2793 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2794 if (bp == null) { 2795 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2796 } 2797 2798 checkGrantRevokePermissions(pkg, bp); 2799 2800 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2801 if (ps == null) { 2802 return; 2803 } 2804 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2805 if (gp.grantedPermissions.remove(permissionName)) { 2806 gp.grantedPermissions.remove(permissionName); 2807 if (ps.haveGids) { 2808 gp.gids = removeInts(gp.gids, bp.gids); 2809 } 2810 mSettings.writeLPr(); 2811 changedAppId = ps.appId; 2812 } 2813 } 2814 2815 if (changedAppId >= 0) { 2816 // We changed the perm on someone, kill its processes. 2817 IActivityManager am = ActivityManagerNative.getDefault(); 2818 if (am != null) { 2819 final int callingUserId = UserHandle.getCallingUserId(); 2820 final long ident = Binder.clearCallingIdentity(); 2821 try { 2822 //XXX we should only revoke for the calling user's app permissions, 2823 // but for now we impact all users. 2824 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2825 // "revoke " + permissionName); 2826 int[] users = sUserManager.getUserIds(); 2827 for (int user : users) { 2828 am.killUid(UserHandle.getUid(user, changedAppId), 2829 "revoke " + permissionName); 2830 } 2831 } catch (RemoteException e) { 2832 } finally { 2833 Binder.restoreCallingIdentity(ident); 2834 } 2835 } 2836 } 2837 } 2838 2839 @Override 2840 public boolean isProtectedBroadcast(String actionName) { 2841 synchronized (mPackages) { 2842 return mProtectedBroadcasts.contains(actionName); 2843 } 2844 } 2845 2846 @Override 2847 public int checkSignatures(String pkg1, String pkg2) { 2848 synchronized (mPackages) { 2849 final PackageParser.Package p1 = mPackages.get(pkg1); 2850 final PackageParser.Package p2 = mPackages.get(pkg2); 2851 if (p1 == null || p1.mExtras == null 2852 || p2 == null || p2.mExtras == null) { 2853 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2854 } 2855 return compareSignatures(p1.mSignatures, p2.mSignatures); 2856 } 2857 } 2858 2859 @Override 2860 public int checkUidSignatures(int uid1, int uid2) { 2861 // Map to base uids. 2862 uid1 = UserHandle.getAppId(uid1); 2863 uid2 = UserHandle.getAppId(uid2); 2864 // reader 2865 synchronized (mPackages) { 2866 Signature[] s1; 2867 Signature[] s2; 2868 Object obj = mSettings.getUserIdLPr(uid1); 2869 if (obj != null) { 2870 if (obj instanceof SharedUserSetting) { 2871 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2872 } else if (obj instanceof PackageSetting) { 2873 s1 = ((PackageSetting)obj).signatures.mSignatures; 2874 } else { 2875 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2876 } 2877 } else { 2878 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2879 } 2880 obj = mSettings.getUserIdLPr(uid2); 2881 if (obj != null) { 2882 if (obj instanceof SharedUserSetting) { 2883 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2884 } else if (obj instanceof PackageSetting) { 2885 s2 = ((PackageSetting)obj).signatures.mSignatures; 2886 } else { 2887 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2888 } 2889 } else { 2890 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2891 } 2892 return compareSignatures(s1, s2); 2893 } 2894 } 2895 2896 /** 2897 * Compares two sets of signatures. Returns: 2898 * <br /> 2899 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2900 * <br /> 2901 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2902 * <br /> 2903 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2904 * <br /> 2905 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2906 * <br /> 2907 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2908 */ 2909 static int compareSignatures(Signature[] s1, Signature[] s2) { 2910 if (s1 == null) { 2911 return s2 == null 2912 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2913 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2914 } 2915 2916 if (s2 == null) { 2917 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2918 } 2919 2920 if (s1.length != s2.length) { 2921 return PackageManager.SIGNATURE_NO_MATCH; 2922 } 2923 2924 // Since both signature sets are of size 1, we can compare without HashSets. 2925 if (s1.length == 1) { 2926 return s1[0].equals(s2[0]) ? 2927 PackageManager.SIGNATURE_MATCH : 2928 PackageManager.SIGNATURE_NO_MATCH; 2929 } 2930 2931 HashSet<Signature> set1 = new HashSet<Signature>(); 2932 for (Signature sig : s1) { 2933 set1.add(sig); 2934 } 2935 HashSet<Signature> set2 = new HashSet<Signature>(); 2936 for (Signature sig : s2) { 2937 set2.add(sig); 2938 } 2939 // Make sure s2 contains all signatures in s1. 2940 if (set1.equals(set2)) { 2941 return PackageManager.SIGNATURE_MATCH; 2942 } 2943 return PackageManager.SIGNATURE_NO_MATCH; 2944 } 2945 2946 /** 2947 * If the database version for this type of package (internal storage or 2948 * external storage) is less than the version where package signatures 2949 * were updated, return true. 2950 */ 2951 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2952 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2953 DatabaseVersion.SIGNATURE_END_ENTITY)) 2954 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2955 DatabaseVersion.SIGNATURE_END_ENTITY)); 2956 } 2957 2958 /** 2959 * Used for backward compatibility to make sure any packages with 2960 * certificate chains get upgraded to the new style. {@code existingSigs} 2961 * will be in the old format (since they were stored on disk from before the 2962 * system upgrade) and {@code scannedSigs} will be in the newer format. 2963 */ 2964 private int compareSignaturesCompat(PackageSignatures existingSigs, 2965 PackageParser.Package scannedPkg) { 2966 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2967 return PackageManager.SIGNATURE_NO_MATCH; 2968 } 2969 2970 HashSet<Signature> existingSet = new HashSet<Signature>(); 2971 for (Signature sig : existingSigs.mSignatures) { 2972 existingSet.add(sig); 2973 } 2974 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2975 for (Signature sig : scannedPkg.mSignatures) { 2976 try { 2977 Signature[] chainSignatures = sig.getChainSignatures(); 2978 for (Signature chainSig : chainSignatures) { 2979 scannedCompatSet.add(chainSig); 2980 } 2981 } catch (CertificateEncodingException e) { 2982 scannedCompatSet.add(sig); 2983 } 2984 } 2985 /* 2986 * Make sure the expanded scanned set contains all signatures in the 2987 * existing one. 2988 */ 2989 if (scannedCompatSet.equals(existingSet)) { 2990 // Migrate the old signatures to the new scheme. 2991 existingSigs.assignSignatures(scannedPkg.mSignatures); 2992 // The new KeySets will be re-added later in the scanning process. 2993 mSettings.mKeySetManagerService.removeAppKeySetData(scannedPkg.packageName); 2994 return PackageManager.SIGNATURE_MATCH; 2995 } 2996 return PackageManager.SIGNATURE_NO_MATCH; 2997 } 2998 2999 @Override 3000 public String[] getPackagesForUid(int uid) { 3001 uid = UserHandle.getAppId(uid); 3002 // reader 3003 synchronized (mPackages) { 3004 Object obj = mSettings.getUserIdLPr(uid); 3005 if (obj instanceof SharedUserSetting) { 3006 final SharedUserSetting sus = (SharedUserSetting) obj; 3007 final int N = sus.packages.size(); 3008 final String[] res = new String[N]; 3009 final Iterator<PackageSetting> it = sus.packages.iterator(); 3010 int i = 0; 3011 while (it.hasNext()) { 3012 res[i++] = it.next().name; 3013 } 3014 return res; 3015 } else if (obj instanceof PackageSetting) { 3016 final PackageSetting ps = (PackageSetting) obj; 3017 return new String[] { ps.name }; 3018 } 3019 } 3020 return null; 3021 } 3022 3023 @Override 3024 public String getNameForUid(int uid) { 3025 // reader 3026 synchronized (mPackages) { 3027 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3028 if (obj instanceof SharedUserSetting) { 3029 final SharedUserSetting sus = (SharedUserSetting) obj; 3030 return sus.name + ":" + sus.userId; 3031 } else if (obj instanceof PackageSetting) { 3032 final PackageSetting ps = (PackageSetting) obj; 3033 return ps.name; 3034 } 3035 } 3036 return null; 3037 } 3038 3039 @Override 3040 public int getUidForSharedUser(String sharedUserName) { 3041 if(sharedUserName == null) { 3042 return -1; 3043 } 3044 // reader 3045 synchronized (mPackages) { 3046 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 3047 if (suid == null) { 3048 return -1; 3049 } 3050 return suid.userId; 3051 } 3052 } 3053 3054 @Override 3055 public int getFlagsForUid(int uid) { 3056 synchronized (mPackages) { 3057 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3058 if (obj instanceof SharedUserSetting) { 3059 final SharedUserSetting sus = (SharedUserSetting) obj; 3060 return sus.pkgFlags; 3061 } else if (obj instanceof PackageSetting) { 3062 final PackageSetting ps = (PackageSetting) obj; 3063 return ps.pkgFlags; 3064 } 3065 } 3066 return 0; 3067 } 3068 3069 @Override 3070 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3071 int flags, int userId) { 3072 if (!sUserManager.exists(userId)) return null; 3073 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 3074 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3075 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3076 } 3077 3078 @Override 3079 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3080 IntentFilter filter, int match, ComponentName activity) { 3081 final int userId = UserHandle.getCallingUserId(); 3082 if (DEBUG_PREFERRED) { 3083 Log.v(TAG, "setLastChosenActivity intent=" + intent 3084 + " resolvedType=" + resolvedType 3085 + " flags=" + flags 3086 + " filter=" + filter 3087 + " match=" + match 3088 + " activity=" + activity); 3089 filter.dump(new PrintStreamPrinter(System.out), " "); 3090 } 3091 intent.setComponent(null); 3092 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3093 // Find any earlier preferred or last chosen entries and nuke them 3094 findPreferredActivity(intent, resolvedType, 3095 flags, query, 0, false, true, false, userId); 3096 // Add the new activity as the last chosen for this filter 3097 addPreferredActivityInternal(filter, match, null, activity, false, userId); 3098 } 3099 3100 @Override 3101 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3102 final int userId = UserHandle.getCallingUserId(); 3103 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3104 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3105 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3106 false, false, false, userId); 3107 } 3108 3109 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3110 int flags, List<ResolveInfo> query, int userId) { 3111 if (query != null) { 3112 final int N = query.size(); 3113 if (N == 1) { 3114 return query.get(0); 3115 } else if (N > 1) { 3116 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3117 // If there is more than one activity with the same priority, 3118 // then let the user decide between them. 3119 ResolveInfo r0 = query.get(0); 3120 ResolveInfo r1 = query.get(1); 3121 if (DEBUG_INTENT_MATCHING || debug) { 3122 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3123 + r1.activityInfo.name + "=" + r1.priority); 3124 } 3125 // If the first activity has a higher priority, or a different 3126 // default, then it is always desireable to pick it. 3127 if (r0.priority != r1.priority 3128 || r0.preferredOrder != r1.preferredOrder 3129 || r0.isDefault != r1.isDefault) { 3130 return query.get(0); 3131 } 3132 // If we have saved a preference for a preferred activity for 3133 // this Intent, use that. 3134 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3135 flags, query, r0.priority, true, false, debug, userId); 3136 if (ri != null) { 3137 return ri; 3138 } 3139 if (userId != 0) { 3140 ri = new ResolveInfo(mResolveInfo); 3141 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3142 ri.activityInfo.applicationInfo = new ApplicationInfo( 3143 ri.activityInfo.applicationInfo); 3144 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3145 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3146 return ri; 3147 } 3148 return mResolveInfo; 3149 } 3150 } 3151 return null; 3152 } 3153 3154 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3155 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3156 final int N = query.size(); 3157 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3158 .get(userId); 3159 // Get the list of persistent preferred activities that handle the intent 3160 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3161 List<PersistentPreferredActivity> pprefs = ppir != null 3162 ? ppir.queryIntent(intent, resolvedType, 3163 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3164 : null; 3165 if (pprefs != null && pprefs.size() > 0) { 3166 final int M = pprefs.size(); 3167 for (int i=0; i<M; i++) { 3168 final PersistentPreferredActivity ppa = pprefs.get(i); 3169 if (DEBUG_PREFERRED || debug) { 3170 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3171 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3172 + "\n component=" + ppa.mComponent); 3173 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3174 } 3175 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3176 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3177 if (DEBUG_PREFERRED || debug) { 3178 Slog.v(TAG, "Found persistent preferred activity:"); 3179 if (ai != null) { 3180 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3181 } else { 3182 Slog.v(TAG, " null"); 3183 } 3184 } 3185 if (ai == null) { 3186 // This previously registered persistent preferred activity 3187 // component is no longer known. Ignore it and do NOT remove it. 3188 continue; 3189 } 3190 for (int j=0; j<N; j++) { 3191 final ResolveInfo ri = query.get(j); 3192 if (!ri.activityInfo.applicationInfo.packageName 3193 .equals(ai.applicationInfo.packageName)) { 3194 continue; 3195 } 3196 if (!ri.activityInfo.name.equals(ai.name)) { 3197 continue; 3198 } 3199 // Found a persistent preference that can handle the intent. 3200 if (DEBUG_PREFERRED || debug) { 3201 Slog.v(TAG, "Returning persistent preferred activity: " + 3202 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3203 } 3204 return ri; 3205 } 3206 } 3207 } 3208 return null; 3209 } 3210 3211 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3212 List<ResolveInfo> query, int priority, boolean always, 3213 boolean removeMatches, boolean debug, int userId) { 3214 if (!sUserManager.exists(userId)) return null; 3215 // writer 3216 synchronized (mPackages) { 3217 if (intent.getSelector() != null) { 3218 intent = intent.getSelector(); 3219 } 3220 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3221 3222 // Try to find a matching persistent preferred activity. 3223 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3224 debug, userId); 3225 3226 // If a persistent preferred activity matched, use it. 3227 if (pri != null) { 3228 return pri; 3229 } 3230 3231 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3232 // Get the list of preferred activities that handle the intent 3233 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3234 List<PreferredActivity> prefs = pir != null 3235 ? pir.queryIntent(intent, resolvedType, 3236 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3237 : null; 3238 if (prefs != null && prefs.size() > 0) { 3239 // First figure out how good the original match set is. 3240 // We will only allow preferred activities that came 3241 // from the same match quality. 3242 int match = 0; 3243 3244 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3245 3246 final int N = query.size(); 3247 for (int j=0; j<N; j++) { 3248 final ResolveInfo ri = query.get(j); 3249 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3250 + ": 0x" + Integer.toHexString(match)); 3251 if (ri.match > match) { 3252 match = ri.match; 3253 } 3254 } 3255 3256 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3257 + Integer.toHexString(match)); 3258 3259 match &= IntentFilter.MATCH_CATEGORY_MASK; 3260 final int M = prefs.size(); 3261 for (int i=0; i<M; i++) { 3262 final PreferredActivity pa = prefs.get(i); 3263 if (DEBUG_PREFERRED || debug) { 3264 Slog.v(TAG, "Checking PreferredActivity ds=" 3265 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3266 + "\n component=" + pa.mPref.mComponent); 3267 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3268 } 3269 if (pa.mPref.mMatch != match) { 3270 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3271 + Integer.toHexString(pa.mPref.mMatch)); 3272 continue; 3273 } 3274 // If it's not an "always" type preferred activity and that's what we're 3275 // looking for, skip it. 3276 if (always && !pa.mPref.mAlways) { 3277 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3278 continue; 3279 } 3280 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3281 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3282 if (DEBUG_PREFERRED || debug) { 3283 Slog.v(TAG, "Found preferred activity:"); 3284 if (ai != null) { 3285 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3286 } else { 3287 Slog.v(TAG, " null"); 3288 } 3289 } 3290 if (ai == null) { 3291 // This previously registered preferred activity 3292 // component is no longer known. Most likely an update 3293 // to the app was installed and in the new version this 3294 // component no longer exists. Clean it up by removing 3295 // it from the preferred activities list, and skip it. 3296 Slog.w(TAG, "Removing dangling preferred activity: " 3297 + pa.mPref.mComponent); 3298 pir.removeFilter(pa); 3299 continue; 3300 } 3301 for (int j=0; j<N; j++) { 3302 final ResolveInfo ri = query.get(j); 3303 if (!ri.activityInfo.applicationInfo.packageName 3304 .equals(ai.applicationInfo.packageName)) { 3305 continue; 3306 } 3307 if (!ri.activityInfo.name.equals(ai.name)) { 3308 continue; 3309 } 3310 3311 if (removeMatches) { 3312 pir.removeFilter(pa); 3313 if (DEBUG_PREFERRED) { 3314 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3315 } 3316 break; 3317 } 3318 3319 // Okay we found a previously set preferred or last chosen app. 3320 // If the result set is different from when this 3321 // was created, we need to clear it and re-ask the 3322 // user their preference, if we're looking for an "always" type entry. 3323 if (always && !pa.mPref.sameSet(query, priority)) { 3324 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3325 + intent + " type " + resolvedType); 3326 if (DEBUG_PREFERRED) { 3327 Slog.v(TAG, "Removing preferred activity since set changed " 3328 + pa.mPref.mComponent); 3329 } 3330 pir.removeFilter(pa); 3331 // Re-add the filter as a "last chosen" entry (!always) 3332 PreferredActivity lastChosen = new PreferredActivity( 3333 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3334 pir.addFilter(lastChosen); 3335 mSettings.writePackageRestrictionsLPr(userId); 3336 return null; 3337 } 3338 3339 // Yay! Either the set matched or we're looking for the last chosen 3340 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3341 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3342 mSettings.writePackageRestrictionsLPr(userId); 3343 return ri; 3344 } 3345 } 3346 } 3347 mSettings.writePackageRestrictionsLPr(userId); 3348 } 3349 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3350 return null; 3351 } 3352 3353 /* 3354 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3355 */ 3356 @Override 3357 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3358 int targetUserId) { 3359 mContext.enforceCallingOrSelfPermission( 3360 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3361 List<CrossProfileIntentFilter> matches = 3362 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3363 if (matches != null) { 3364 int size = matches.size(); 3365 for (int i = 0; i < size; i++) { 3366 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3367 } 3368 } 3369 3370 ArrayList<String> packageNames = null; 3371 SparseArray<ArrayList<String>> fromSource = 3372 mSettings.mCrossProfilePackageInfo.get(sourceUserId); 3373 if (fromSource != null) { 3374 packageNames = fromSource.get(targetUserId); 3375 } 3376 if (packageNames.contains(intent.getPackage())) { 3377 return true; 3378 } 3379 // We need the package name, so we try to resolve with the loosest flags possible 3380 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3381 intent, resolvedType, PackageManager.GET_UNINSTALLED_PACKAGES, targetUserId); 3382 int count = resolveInfos.size(); 3383 for (int i = 0; i < count; i++) { 3384 ResolveInfo resolveInfo = resolveInfos.get(i); 3385 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3386 return true; 3387 } 3388 } 3389 return false; 3390 } 3391 3392 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3393 String resolvedType, int userId) { 3394 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3395 if (resolver != null) { 3396 return resolver.queryIntent(intent, resolvedType, false, userId); 3397 } 3398 return null; 3399 } 3400 3401 @Override 3402 public List<ResolveInfo> queryIntentActivities(Intent intent, 3403 String resolvedType, int flags, int userId) { 3404 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3405 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3406 ComponentName comp = intent.getComponent(); 3407 if (comp == null) { 3408 if (intent.getSelector() != null) { 3409 intent = intent.getSelector(); 3410 comp = intent.getComponent(); 3411 } 3412 } 3413 3414 if (comp != null) { 3415 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3416 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3417 if (ai != null) { 3418 final ResolveInfo ri = new ResolveInfo(); 3419 ri.activityInfo = ai; 3420 list.add(ri); 3421 } 3422 return list; 3423 } 3424 3425 // reader 3426 synchronized (mPackages) { 3427 final String pkgName = intent.getPackage(); 3428 boolean queryCrossProfile = (flags & PackageManager.NO_CROSS_PROFILE) == 0; 3429 if (pkgName == null) { 3430 ResolveInfo resolveInfo = null; 3431 if (queryCrossProfile) { 3432 // Check if the intent needs to be forwarded to another user for this package 3433 ArrayList<ResolveInfo> crossProfileResult = 3434 queryIntentActivitiesCrossProfilePackage( 3435 intent, resolvedType, flags, userId); 3436 if (!crossProfileResult.isEmpty()) { 3437 // Skip the current profile 3438 return crossProfileResult; 3439 } 3440 List<CrossProfileIntentFilter> matchingFilters = 3441 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3442 // Check for results that need to skip the current profile. 3443 resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3444 resolvedType, flags, userId); 3445 if (resolveInfo != null) { 3446 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3447 result.add(resolveInfo); 3448 return result; 3449 } 3450 // Check for cross profile results. 3451 resolveInfo = queryCrossProfileIntents( 3452 matchingFilters, intent, resolvedType, flags, userId); 3453 } 3454 // Check for results in the current profile. 3455 List<ResolveInfo> result = mActivities.queryIntent( 3456 intent, resolvedType, flags, userId); 3457 if (resolveInfo != null) { 3458 result.add(resolveInfo); 3459 } 3460 return result; 3461 } 3462 final PackageParser.Package pkg = mPackages.get(pkgName); 3463 if (pkg != null) { 3464 if (queryCrossProfile) { 3465 ArrayList<ResolveInfo> crossProfileResult = 3466 queryIntentActivitiesCrossProfilePackage( 3467 intent, resolvedType, flags, userId, pkg, pkgName); 3468 if (!crossProfileResult.isEmpty()) { 3469 // Skip the current profile 3470 return crossProfileResult; 3471 } 3472 } 3473 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3474 pkg.activities, userId); 3475 } 3476 return new ArrayList<ResolveInfo>(); 3477 } 3478 } 3479 3480 private ResolveInfo querySkipCurrentProfileIntents( 3481 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3482 int flags, int sourceUserId) { 3483 if (matchingFilters != null) { 3484 int size = matchingFilters.size(); 3485 for (int i = 0; i < size; i ++) { 3486 CrossProfileIntentFilter filter = matchingFilters.get(i); 3487 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3488 // Checking if there are activities in the target user that can handle the 3489 // intent. 3490 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3491 flags, sourceUserId); 3492 if (resolveInfo != null) { 3493 return resolveInfo; 3494 } 3495 } 3496 } 3497 } 3498 return null; 3499 } 3500 3501 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3502 Intent intent, String resolvedType, int flags, int userId) { 3503 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3504 SparseArray<ArrayList<String>> sourceForwardingInfo = 3505 mSettings.mCrossProfilePackageInfo.get(userId); 3506 if (sourceForwardingInfo != null) { 3507 int NI = sourceForwardingInfo.size(); 3508 for (int i = 0; i < NI; i++) { 3509 int targetUserId = sourceForwardingInfo.keyAt(i); 3510 ArrayList<String> packageNames = sourceForwardingInfo.valueAt(i); 3511 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3512 intent, resolvedType, flags, targetUserId); 3513 int NJ = resolveInfos.size(); 3514 for (int j = 0; j < NJ; j++) { 3515 ResolveInfo resolveInfo = resolveInfos.get(j); 3516 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3517 matchingResolveInfos.add(createForwardingResolveInfo( 3518 resolveInfo.filter, userId, targetUserId)); 3519 } 3520 } 3521 } 3522 } 3523 return matchingResolveInfos; 3524 } 3525 3526 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3527 Intent intent, String resolvedType, int flags, int userId, PackageParser.Package pkg, 3528 String packageName) { 3529 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3530 SparseArray<ArrayList<String>> sourceForwardingInfo = 3531 mSettings.mCrossProfilePackageInfo.get(userId); 3532 if (sourceForwardingInfo != null) { 3533 int NI = sourceForwardingInfo.size(); 3534 for (int i = 0; i < NI; i++) { 3535 int targetUserId = sourceForwardingInfo.keyAt(i); 3536 if (sourceForwardingInfo.valueAt(i).contains(packageName)) { 3537 List<ResolveInfo> resolveInfos = mActivities.queryIntentForPackage( 3538 intent, resolvedType, flags, pkg.activities, targetUserId); 3539 int NJ = resolveInfos.size(); 3540 for (int j = 0; j < NJ; j++) { 3541 ResolveInfo resolveInfo = resolveInfos.get(j); 3542 matchingResolveInfos.add(createForwardingResolveInfo( 3543 resolveInfo.filter, userId, targetUserId)); 3544 } 3545 } 3546 } 3547 } 3548 return matchingResolveInfos; 3549 } 3550 3551 // Return matching ResolveInfo if any for skip current profile intent filters. 3552 private ResolveInfo queryCrossProfileIntents( 3553 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3554 int flags, int sourceUserId) { 3555 if (matchingFilters != null) { 3556 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3557 // match the same intent. For performance reasons, it is better not to 3558 // run queryIntent twice for the same userId 3559 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3560 int size = matchingFilters.size(); 3561 for (int i = 0; i < size; i++) { 3562 CrossProfileIntentFilter filter = matchingFilters.get(i); 3563 int targetUserId = filter.getTargetUserId(); 3564 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3565 && !alreadyTriedUserIds.get(targetUserId)) { 3566 // Checking if there are activities in the target user that can handle the 3567 // intent. 3568 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3569 flags, sourceUserId); 3570 if (resolveInfo != null) return resolveInfo; 3571 alreadyTriedUserIds.put(targetUserId, true); 3572 } 3573 } 3574 } 3575 return null; 3576 } 3577 3578 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3579 String resolvedType, int flags, int sourceUserId) { 3580 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3581 resolvedType, flags, filter.getTargetUserId()); 3582 if (resultTargetUser != null) { 3583 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3584 } 3585 return null; 3586 } 3587 3588 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3589 int sourceUserId, int targetUserId) { 3590 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3591 String className; 3592 if (targetUserId == UserHandle.USER_OWNER) { 3593 className = FORWARD_INTENT_TO_USER_OWNER; 3594 forwardingResolveInfo.showTargetUserIcon = true; 3595 } else { 3596 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3597 } 3598 ComponentName forwardingActivityComponentName = new ComponentName( 3599 mAndroidApplication.packageName, className); 3600 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3601 sourceUserId); 3602 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3603 forwardingResolveInfo.priority = 0; 3604 forwardingResolveInfo.preferredOrder = 0; 3605 forwardingResolveInfo.match = 0; 3606 forwardingResolveInfo.isDefault = true; 3607 forwardingResolveInfo.filter = filter; 3608 forwardingResolveInfo.targetUserId = targetUserId; 3609 return forwardingResolveInfo; 3610 } 3611 3612 @Override 3613 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3614 Intent[] specifics, String[] specificTypes, Intent intent, 3615 String resolvedType, int flags, int userId) { 3616 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3617 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3618 "query intent activity options"); 3619 final String resultsAction = intent.getAction(); 3620 3621 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3622 | PackageManager.GET_RESOLVED_FILTER, userId); 3623 3624 if (DEBUG_INTENT_MATCHING) { 3625 Log.v(TAG, "Query " + intent + ": " + results); 3626 } 3627 3628 int specificsPos = 0; 3629 int N; 3630 3631 // todo: note that the algorithm used here is O(N^2). This 3632 // isn't a problem in our current environment, but if we start running 3633 // into situations where we have more than 5 or 10 matches then this 3634 // should probably be changed to something smarter... 3635 3636 // First we go through and resolve each of the specific items 3637 // that were supplied, taking care of removing any corresponding 3638 // duplicate items in the generic resolve list. 3639 if (specifics != null) { 3640 for (int i=0; i<specifics.length; i++) { 3641 final Intent sintent = specifics[i]; 3642 if (sintent == null) { 3643 continue; 3644 } 3645 3646 if (DEBUG_INTENT_MATCHING) { 3647 Log.v(TAG, "Specific #" + i + ": " + sintent); 3648 } 3649 3650 String action = sintent.getAction(); 3651 if (resultsAction != null && resultsAction.equals(action)) { 3652 // If this action was explicitly requested, then don't 3653 // remove things that have it. 3654 action = null; 3655 } 3656 3657 ResolveInfo ri = null; 3658 ActivityInfo ai = null; 3659 3660 ComponentName comp = sintent.getComponent(); 3661 if (comp == null) { 3662 ri = resolveIntent( 3663 sintent, 3664 specificTypes != null ? specificTypes[i] : null, 3665 flags, userId); 3666 if (ri == null) { 3667 continue; 3668 } 3669 if (ri == mResolveInfo) { 3670 // ACK! Must do something better with this. 3671 } 3672 ai = ri.activityInfo; 3673 comp = new ComponentName(ai.applicationInfo.packageName, 3674 ai.name); 3675 } else { 3676 ai = getActivityInfo(comp, flags, userId); 3677 if (ai == null) { 3678 continue; 3679 } 3680 } 3681 3682 // Look for any generic query activities that are duplicates 3683 // of this specific one, and remove them from the results. 3684 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3685 N = results.size(); 3686 int j; 3687 for (j=specificsPos; j<N; j++) { 3688 ResolveInfo sri = results.get(j); 3689 if ((sri.activityInfo.name.equals(comp.getClassName()) 3690 && sri.activityInfo.applicationInfo.packageName.equals( 3691 comp.getPackageName())) 3692 || (action != null && sri.filter.matchAction(action))) { 3693 results.remove(j); 3694 if (DEBUG_INTENT_MATCHING) Log.v( 3695 TAG, "Removing duplicate item from " + j 3696 + " due to specific " + specificsPos); 3697 if (ri == null) { 3698 ri = sri; 3699 } 3700 j--; 3701 N--; 3702 } 3703 } 3704 3705 // Add this specific item to its proper place. 3706 if (ri == null) { 3707 ri = new ResolveInfo(); 3708 ri.activityInfo = ai; 3709 } 3710 results.add(specificsPos, ri); 3711 ri.specificIndex = i; 3712 specificsPos++; 3713 } 3714 } 3715 3716 // Now we go through the remaining generic results and remove any 3717 // duplicate actions that are found here. 3718 N = results.size(); 3719 for (int i=specificsPos; i<N-1; i++) { 3720 final ResolveInfo rii = results.get(i); 3721 if (rii.filter == null) { 3722 continue; 3723 } 3724 3725 // Iterate over all of the actions of this result's intent 3726 // filter... typically this should be just one. 3727 final Iterator<String> it = rii.filter.actionsIterator(); 3728 if (it == null) { 3729 continue; 3730 } 3731 while (it.hasNext()) { 3732 final String action = it.next(); 3733 if (resultsAction != null && resultsAction.equals(action)) { 3734 // If this action was explicitly requested, then don't 3735 // remove things that have it. 3736 continue; 3737 } 3738 for (int j=i+1; j<N; j++) { 3739 final ResolveInfo rij = results.get(j); 3740 if (rij.filter != null && rij.filter.hasAction(action)) { 3741 results.remove(j); 3742 if (DEBUG_INTENT_MATCHING) Log.v( 3743 TAG, "Removing duplicate item from " + j 3744 + " due to action " + action + " at " + i); 3745 j--; 3746 N--; 3747 } 3748 } 3749 } 3750 3751 // If the caller didn't request filter information, drop it now 3752 // so we don't have to marshall/unmarshall it. 3753 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3754 rii.filter = null; 3755 } 3756 } 3757 3758 // Filter out the caller activity if so requested. 3759 if (caller != null) { 3760 N = results.size(); 3761 for (int i=0; i<N; i++) { 3762 ActivityInfo ainfo = results.get(i).activityInfo; 3763 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3764 && caller.getClassName().equals(ainfo.name)) { 3765 results.remove(i); 3766 break; 3767 } 3768 } 3769 } 3770 3771 // If the caller didn't request filter information, 3772 // drop them now so we don't have to 3773 // marshall/unmarshall it. 3774 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3775 N = results.size(); 3776 for (int i=0; i<N; i++) { 3777 results.get(i).filter = null; 3778 } 3779 } 3780 3781 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3782 return results; 3783 } 3784 3785 @Override 3786 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3787 int userId) { 3788 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3789 ComponentName comp = intent.getComponent(); 3790 if (comp == null) { 3791 if (intent.getSelector() != null) { 3792 intent = intent.getSelector(); 3793 comp = intent.getComponent(); 3794 } 3795 } 3796 if (comp != null) { 3797 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3798 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3799 if (ai != null) { 3800 ResolveInfo ri = new ResolveInfo(); 3801 ri.activityInfo = ai; 3802 list.add(ri); 3803 } 3804 return list; 3805 } 3806 3807 // reader 3808 synchronized (mPackages) { 3809 String pkgName = intent.getPackage(); 3810 if (pkgName == null) { 3811 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3812 } 3813 final PackageParser.Package pkg = mPackages.get(pkgName); 3814 if (pkg != null) { 3815 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3816 userId); 3817 } 3818 return null; 3819 } 3820 } 3821 3822 @Override 3823 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3824 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3825 if (!sUserManager.exists(userId)) return null; 3826 if (query != null) { 3827 if (query.size() >= 1) { 3828 // If there is more than one service with the same priority, 3829 // just arbitrarily pick the first one. 3830 return query.get(0); 3831 } 3832 } 3833 return null; 3834 } 3835 3836 @Override 3837 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3838 int userId) { 3839 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3840 ComponentName comp = intent.getComponent(); 3841 if (comp == null) { 3842 if (intent.getSelector() != null) { 3843 intent = intent.getSelector(); 3844 comp = intent.getComponent(); 3845 } 3846 } 3847 if (comp != null) { 3848 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3849 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3850 if (si != null) { 3851 final ResolveInfo ri = new ResolveInfo(); 3852 ri.serviceInfo = si; 3853 list.add(ri); 3854 } 3855 return list; 3856 } 3857 3858 // reader 3859 synchronized (mPackages) { 3860 String pkgName = intent.getPackage(); 3861 if (pkgName == null) { 3862 return mServices.queryIntent(intent, resolvedType, flags, userId); 3863 } 3864 final PackageParser.Package pkg = mPackages.get(pkgName); 3865 if (pkg != null) { 3866 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3867 userId); 3868 } 3869 return null; 3870 } 3871 } 3872 3873 @Override 3874 public List<ResolveInfo> queryIntentContentProviders( 3875 Intent intent, String resolvedType, int flags, int userId) { 3876 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3877 ComponentName comp = intent.getComponent(); 3878 if (comp == null) { 3879 if (intent.getSelector() != null) { 3880 intent = intent.getSelector(); 3881 comp = intent.getComponent(); 3882 } 3883 } 3884 if (comp != null) { 3885 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3886 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3887 if (pi != null) { 3888 final ResolveInfo ri = new ResolveInfo(); 3889 ri.providerInfo = pi; 3890 list.add(ri); 3891 } 3892 return list; 3893 } 3894 3895 // reader 3896 synchronized (mPackages) { 3897 String pkgName = intent.getPackage(); 3898 if (pkgName == null) { 3899 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3900 } 3901 final PackageParser.Package pkg = mPackages.get(pkgName); 3902 if (pkg != null) { 3903 return mProviders.queryIntentForPackage( 3904 intent, resolvedType, flags, pkg.providers, userId); 3905 } 3906 return null; 3907 } 3908 } 3909 3910 @Override 3911 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3912 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3913 3914 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3915 3916 // writer 3917 synchronized (mPackages) { 3918 ArrayList<PackageInfo> list; 3919 if (listUninstalled) { 3920 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3921 for (PackageSetting ps : mSettings.mPackages.values()) { 3922 PackageInfo pi; 3923 if (ps.pkg != null) { 3924 pi = generatePackageInfo(ps.pkg, flags, userId); 3925 } else { 3926 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3927 } 3928 if (pi != null) { 3929 list.add(pi); 3930 } 3931 } 3932 } else { 3933 list = new ArrayList<PackageInfo>(mPackages.size()); 3934 for (PackageParser.Package p : mPackages.values()) { 3935 PackageInfo pi = generatePackageInfo(p, flags, userId); 3936 if (pi != null) { 3937 list.add(pi); 3938 } 3939 } 3940 } 3941 3942 return new ParceledListSlice<PackageInfo>(list); 3943 } 3944 } 3945 3946 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3947 String[] permissions, boolean[] tmp, int flags, int userId) { 3948 int numMatch = 0; 3949 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3950 for (int i=0; i<permissions.length; i++) { 3951 if (gp.grantedPermissions.contains(permissions[i])) { 3952 tmp[i] = true; 3953 numMatch++; 3954 } else { 3955 tmp[i] = false; 3956 } 3957 } 3958 if (numMatch == 0) { 3959 return; 3960 } 3961 PackageInfo pi; 3962 if (ps.pkg != null) { 3963 pi = generatePackageInfo(ps.pkg, flags, userId); 3964 } else { 3965 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3966 } 3967 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3968 if (numMatch == permissions.length) { 3969 pi.requestedPermissions = permissions; 3970 } else { 3971 pi.requestedPermissions = new String[numMatch]; 3972 numMatch = 0; 3973 for (int i=0; i<permissions.length; i++) { 3974 if (tmp[i]) { 3975 pi.requestedPermissions[numMatch] = permissions[i]; 3976 numMatch++; 3977 } 3978 } 3979 } 3980 } 3981 list.add(pi); 3982 } 3983 3984 @Override 3985 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3986 String[] permissions, int flags, int userId) { 3987 if (!sUserManager.exists(userId)) return null; 3988 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3989 3990 // writer 3991 synchronized (mPackages) { 3992 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3993 boolean[] tmpBools = new boolean[permissions.length]; 3994 if (listUninstalled) { 3995 for (PackageSetting ps : mSettings.mPackages.values()) { 3996 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3997 } 3998 } else { 3999 for (PackageParser.Package pkg : mPackages.values()) { 4000 PackageSetting ps = (PackageSetting)pkg.mExtras; 4001 if (ps != null) { 4002 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 4003 userId); 4004 } 4005 } 4006 } 4007 4008 return new ParceledListSlice<PackageInfo>(list); 4009 } 4010 } 4011 4012 @Override 4013 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 4014 if (!sUserManager.exists(userId)) return null; 4015 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 4016 4017 // writer 4018 synchronized (mPackages) { 4019 ArrayList<ApplicationInfo> list; 4020 if (listUninstalled) { 4021 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 4022 for (PackageSetting ps : mSettings.mPackages.values()) { 4023 ApplicationInfo ai; 4024 if (ps.pkg != null) { 4025 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 4026 ps.readUserState(userId), userId); 4027 } else { 4028 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 4029 } 4030 if (ai != null) { 4031 list.add(ai); 4032 } 4033 } 4034 } else { 4035 list = new ArrayList<ApplicationInfo>(mPackages.size()); 4036 for (PackageParser.Package p : mPackages.values()) { 4037 if (p.mExtras != null) { 4038 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 4039 ((PackageSetting)p.mExtras).readUserState(userId), userId); 4040 if (ai != null) { 4041 list.add(ai); 4042 } 4043 } 4044 } 4045 } 4046 4047 return new ParceledListSlice<ApplicationInfo>(list); 4048 } 4049 } 4050 4051 public List<ApplicationInfo> getPersistentApplications(int flags) { 4052 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 4053 4054 // reader 4055 synchronized (mPackages) { 4056 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 4057 final int userId = UserHandle.getCallingUserId(); 4058 while (i.hasNext()) { 4059 final PackageParser.Package p = i.next(); 4060 if (p.applicationInfo != null 4061 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 4062 && (!mSafeMode || isSystemApp(p))) { 4063 PackageSetting ps = mSettings.mPackages.get(p.packageName); 4064 if (ps != null) { 4065 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 4066 ps.readUserState(userId), userId); 4067 if (ai != null) { 4068 finalList.add(ai); 4069 } 4070 } 4071 } 4072 } 4073 } 4074 4075 return finalList; 4076 } 4077 4078 @Override 4079 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 4080 if (!sUserManager.exists(userId)) return null; 4081 // reader 4082 synchronized (mPackages) { 4083 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 4084 PackageSetting ps = provider != null 4085 ? mSettings.mPackages.get(provider.owner.packageName) 4086 : null; 4087 return ps != null 4088 && mSettings.isEnabledLPr(provider.info, flags, userId) 4089 && (!mSafeMode || (provider.info.applicationInfo.flags 4090 &ApplicationInfo.FLAG_SYSTEM) != 0) 4091 ? PackageParser.generateProviderInfo(provider, flags, 4092 ps.readUserState(userId), userId) 4093 : null; 4094 } 4095 } 4096 4097 /** 4098 * @deprecated 4099 */ 4100 @Deprecated 4101 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 4102 // reader 4103 synchronized (mPackages) { 4104 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 4105 .entrySet().iterator(); 4106 final int userId = UserHandle.getCallingUserId(); 4107 while (i.hasNext()) { 4108 Map.Entry<String, PackageParser.Provider> entry = i.next(); 4109 PackageParser.Provider p = entry.getValue(); 4110 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4111 4112 if (ps != null && p.syncable 4113 && (!mSafeMode || (p.info.applicationInfo.flags 4114 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 4115 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 4116 ps.readUserState(userId), userId); 4117 if (info != null) { 4118 outNames.add(entry.getKey()); 4119 outInfo.add(info); 4120 } 4121 } 4122 } 4123 } 4124 } 4125 4126 @Override 4127 public List<ProviderInfo> queryContentProviders(String processName, 4128 int uid, int flags) { 4129 ArrayList<ProviderInfo> finalList = null; 4130 // reader 4131 synchronized (mPackages) { 4132 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4133 final int userId = processName != null ? 4134 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4135 while (i.hasNext()) { 4136 final PackageParser.Provider p = i.next(); 4137 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4138 if (ps != null && p.info.authority != null 4139 && (processName == null 4140 || (p.info.processName.equals(processName) 4141 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4142 && mSettings.isEnabledLPr(p.info, flags, userId) 4143 && (!mSafeMode 4144 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4145 if (finalList == null) { 4146 finalList = new ArrayList<ProviderInfo>(3); 4147 } 4148 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4149 ps.readUserState(userId), userId); 4150 if (info != null) { 4151 finalList.add(info); 4152 } 4153 } 4154 } 4155 } 4156 4157 if (finalList != null) { 4158 Collections.sort(finalList, mProviderInitOrderSorter); 4159 } 4160 4161 return finalList; 4162 } 4163 4164 @Override 4165 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4166 int flags) { 4167 // reader 4168 synchronized (mPackages) { 4169 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4170 return PackageParser.generateInstrumentationInfo(i, flags); 4171 } 4172 } 4173 4174 @Override 4175 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4176 int flags) { 4177 ArrayList<InstrumentationInfo> finalList = 4178 new ArrayList<InstrumentationInfo>(); 4179 4180 // reader 4181 synchronized (mPackages) { 4182 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4183 while (i.hasNext()) { 4184 final PackageParser.Instrumentation p = i.next(); 4185 if (targetPackage == null 4186 || targetPackage.equals(p.info.targetPackage)) { 4187 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4188 flags); 4189 if (ii != null) { 4190 finalList.add(ii); 4191 } 4192 } 4193 } 4194 } 4195 4196 return finalList; 4197 } 4198 4199 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4200 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4201 if (overlays == null) { 4202 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4203 return; 4204 } 4205 for (PackageParser.Package opkg : overlays.values()) { 4206 // Not much to do if idmap fails: we already logged the error 4207 // and we certainly don't want to abort installation of pkg simply 4208 // because an overlay didn't fit properly. For these reasons, 4209 // ignore the return value of createIdmapForPackagePairLI. 4210 createIdmapForPackagePairLI(pkg, opkg); 4211 } 4212 } 4213 4214 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4215 PackageParser.Package opkg) { 4216 if (!opkg.mTrustedOverlay) { 4217 Slog.w(TAG, "Skipping target and overlay pair " + pkg.codePath + " and " + 4218 opkg.codePath + ": overlay not trusted"); 4219 return false; 4220 } 4221 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4222 if (overlaySet == null) { 4223 Slog.e(TAG, "was about to create idmap for " + pkg.codePath + " and " + 4224 opkg.codePath + " but target package has no known overlays"); 4225 return false; 4226 } 4227 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4228 // TODO: generate idmap for split APKs 4229 if (mInstaller.idmap(pkg.codePath, opkg.codePath, sharedGid) != 0) { 4230 Slog.e(TAG, "Failed to generate idmap for " + pkg.codePath + " and " + opkg.codePath); 4231 return false; 4232 } 4233 PackageParser.Package[] overlayArray = 4234 overlaySet.values().toArray(new PackageParser.Package[0]); 4235 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4236 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4237 return p1.mOverlayPriority - p2.mOverlayPriority; 4238 } 4239 }; 4240 Arrays.sort(overlayArray, cmp); 4241 4242 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4243 int i = 0; 4244 for (PackageParser.Package p : overlayArray) { 4245 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 4246 } 4247 return true; 4248 } 4249 4250 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4251 String[] files = dir.list(); 4252 if (files == null) { 4253 Log.d(TAG, "No files in app dir " + dir); 4254 return; 4255 } 4256 4257 if (DEBUG_PACKAGE_SCANNING) { 4258 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4259 + " flags=0x" + Integer.toHexString(flags)); 4260 } 4261 4262 int i; 4263 for (i=0; i<files.length; i++) { 4264 File file = new File(dir, files[i]); 4265 if (!isPackageFilename(files[i])) { 4266 // Ignore entries which are not apk's 4267 continue; 4268 } 4269 PackageParser.Package pkg = scanPackageLI(file, 4270 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null, null); 4271 // Don't mess around with apps in system partition. 4272 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4273 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 4274 // Delete the apk 4275 Slog.w(TAG, "Cleaning up failed install of " + file); 4276 file.delete(); 4277 } 4278 } 4279 } 4280 4281 private static File getSettingsProblemFile() { 4282 File dataDir = Environment.getDataDirectory(); 4283 File systemDir = new File(dataDir, "system"); 4284 File fname = new File(systemDir, "uiderrors.txt"); 4285 return fname; 4286 } 4287 4288 static void reportSettingsProblem(int priority, String msg) { 4289 try { 4290 File fname = getSettingsProblemFile(); 4291 FileOutputStream out = new FileOutputStream(fname, true); 4292 PrintWriter pw = new FastPrintWriter(out); 4293 SimpleDateFormat formatter = new SimpleDateFormat(); 4294 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4295 pw.println(dateString + ": " + msg); 4296 pw.close(); 4297 FileUtils.setPermissions( 4298 fname.toString(), 4299 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4300 -1, -1); 4301 } catch (java.io.IOException e) { 4302 } 4303 Slog.println(priority, TAG, msg); 4304 } 4305 4306 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 4307 PackageParser.Package pkg, File srcFile, int parseFlags) { 4308 if (ps != null 4309 && ps.codePath.equals(srcFile) 4310 && ps.timeStamp == srcFile.lastModified() 4311 && !isCompatSignatureUpdateNeeded(pkg)) { 4312 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4313 if (ps.signatures.mSignatures != null 4314 && ps.signatures.mSignatures.length != 0 4315 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4316 // Optimization: reuse the existing cached certificates 4317 // if the package appears to be unchanged. 4318 pkg.mSignatures = ps.signatures.mSignatures; 4319 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4320 pkg.mSigningKeys = ksms.getPublicKeysFromKeySet(mSigningKeySetId); 4321 return true; 4322 } 4323 4324 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4325 } else { 4326 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4327 } 4328 4329 try { 4330 pp.collectCertificates(pkg, parseFlags); 4331 pp.collectManifestDigest(pkg); 4332 } catch (PackageParserException e) { 4333 mLastScanError = e.error; 4334 return false; 4335 } 4336 return true; 4337 } 4338 4339 /* 4340 * Scan a package and return the newly parsed package. 4341 * Returns null in case of errors and the error code is stored in mLastScanError 4342 */ 4343 private PackageParser.Package scanPackageLI(File scanFile, 4344 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4345 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4346 String scanPath = scanFile.getPath(); 4347 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4348 parseFlags |= mDefParseFlags; 4349 PackageParser pp = new PackageParser(); 4350 pp.setSeparateProcesses(mSeparateProcesses); 4351 pp.setOnlyCoreApps(mOnlyCore); 4352 pp.setDisplayMetrics(mMetrics); 4353 4354 if ((scanMode & SCAN_TRUSTED_OVERLAY) != 0) { 4355 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4356 } 4357 4358 final PackageParser.Package pkg; 4359 try { 4360 pkg = pp.parseMonolithicPackage(scanFile, parseFlags); 4361 } catch (PackageParserException e) { 4362 mLastScanError = e.error; 4363 return null; 4364 } 4365 4366 PackageSetting ps = null; 4367 PackageSetting updatedPkg; 4368 // reader 4369 synchronized (mPackages) { 4370 // Look to see if we already know about this package. 4371 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4372 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4373 // This package has been renamed to its original name. Let's 4374 // use that. 4375 ps = mSettings.peekPackageLPr(oldName); 4376 } 4377 // If there was no original package, see one for the real package name. 4378 if (ps == null) { 4379 ps = mSettings.peekPackageLPr(pkg.packageName); 4380 } 4381 // Check to see if this package could be hiding/updating a system 4382 // package. Must look for it either under the original or real 4383 // package name depending on our state. 4384 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4385 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4386 } 4387 boolean updatedPkgBetter = false; 4388 // First check if this is a system package that may involve an update 4389 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4390 if (ps != null && !ps.codePath.equals(scanFile)) { 4391 // The path has changed from what was last scanned... check the 4392 // version of the new path against what we have stored to determine 4393 // what to do. 4394 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4395 if (pkg.mVersionCode < ps.versionCode) { 4396 // The system package has been updated and the code path does not match 4397 // Ignore entry. Skip it. 4398 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4399 + " ignored: updated version " + ps.versionCode 4400 + " better than this " + pkg.mVersionCode); 4401 if (!updatedPkg.codePath.equals(scanFile)) { 4402 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4403 + ps.name + " changing from " + updatedPkg.codePathString 4404 + " to " + scanFile); 4405 updatedPkg.codePath = scanFile; 4406 updatedPkg.codePathString = scanFile.toString(); 4407 // This is the point at which we know that the system-disk APK 4408 // for this package has moved during a reboot (e.g. due to an OTA), 4409 // so we need to reevaluate it for privilege policy. 4410 if (locationIsPrivileged(scanFile)) { 4411 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4412 } 4413 } 4414 updatedPkg.pkg = pkg; 4415 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4416 return null; 4417 } else { 4418 // The current app on the system partition is better than 4419 // what we have updated to on the data partition; switch 4420 // back to the system partition version. 4421 // At this point, its safely assumed that package installation for 4422 // apps in system partition will go through. If not there won't be a working 4423 // version of the app 4424 // writer 4425 synchronized (mPackages) { 4426 // Just remove the loaded entries from package lists. 4427 mPackages.remove(ps.name); 4428 } 4429 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4430 + "reverting from " + ps.codePathString 4431 + ": new version " + pkg.mVersionCode 4432 + " better than installed " + ps.versionCode); 4433 4434 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4435 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4436 getAppInstructionSetFromSettings(ps)); 4437 synchronized (mInstallLock) { 4438 args.cleanUpResourcesLI(); 4439 } 4440 synchronized (mPackages) { 4441 mSettings.enableSystemPackageLPw(ps.name); 4442 } 4443 updatedPkgBetter = true; 4444 } 4445 } 4446 } 4447 4448 if (updatedPkg != null) { 4449 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4450 // initially 4451 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4452 4453 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4454 // flag set initially 4455 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4456 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4457 } 4458 } 4459 // Verify certificates against what was last scanned 4460 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4461 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4462 return null; 4463 } 4464 4465 /* 4466 * A new system app appeared, but we already had a non-system one of the 4467 * same name installed earlier. 4468 */ 4469 boolean shouldHideSystemApp = false; 4470 if (updatedPkg == null && ps != null 4471 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4472 /* 4473 * Check to make sure the signatures match first. If they don't, 4474 * wipe the installed application and its data. 4475 */ 4476 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4477 != PackageManager.SIGNATURE_MATCH) { 4478 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4479 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4480 ps = null; 4481 } else { 4482 /* 4483 * If the newly-added system app is an older version than the 4484 * already installed version, hide it. It will be scanned later 4485 * and re-added like an update. 4486 */ 4487 if (pkg.mVersionCode < ps.versionCode) { 4488 shouldHideSystemApp = true; 4489 } else { 4490 /* 4491 * The newly found system app is a newer version that the 4492 * one previously installed. Simply remove the 4493 * already-installed application and replace it with our own 4494 * while keeping the application data. 4495 */ 4496 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4497 + ps.codePathString + ": new version " + pkg.mVersionCode 4498 + " better than installed " + ps.versionCode); 4499 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4500 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4501 getAppInstructionSetFromSettings(ps)); 4502 synchronized (mInstallLock) { 4503 args.cleanUpResourcesLI(); 4504 } 4505 } 4506 } 4507 } 4508 4509 // The apk is forward locked (not public) if its code and resources 4510 // are kept in different files. (except for app in either system or 4511 // vendor path). 4512 // TODO grab this value from PackageSettings 4513 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4514 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4515 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4516 } 4517 } 4518 4519 final String codePath = pkg.codePath; 4520 final String[] splitCodePaths = pkg.splitCodePaths; 4521 4522 String resPath = null; 4523 String[] splitResPaths = null; 4524 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4525 if (ps != null && ps.resourcePathString != null) { 4526 resPath = ps.resourcePathString; 4527 splitResPaths = deriveSplitResPaths(pkg.splitCodePaths); 4528 } else { 4529 // Should not happen at all. Just log an error. 4530 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4531 } 4532 } else { 4533 resPath = pkg.codePath; 4534 splitResPaths = pkg.splitCodePaths; 4535 } 4536 4537 // Set application objects path explicitly. 4538 pkg.applicationInfo.sourceDir = codePath; 4539 pkg.applicationInfo.publicSourceDir = resPath; 4540 pkg.applicationInfo.splitSourceDirs = splitCodePaths; 4541 pkg.applicationInfo.splitPublicSourceDirs = splitResPaths; 4542 4543 // Note that we invoke the following method only if we are about to unpack an application 4544 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4545 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4546 4547 /* 4548 * If the system app should be overridden by a previously installed 4549 * data, hide the system app now and let the /data/app scan pick it up 4550 * again. 4551 */ 4552 if (shouldHideSystemApp) { 4553 synchronized (mPackages) { 4554 /* 4555 * We have to grant systems permissions before we hide, because 4556 * grantPermissions will assume the package update is trying to 4557 * expand its permissions. 4558 */ 4559 grantPermissionsLPw(pkg, true); 4560 mSettings.disableSystemPackageLPw(pkg.packageName); 4561 } 4562 } 4563 4564 return scannedPkg; 4565 } 4566 4567 private static String fixProcessName(String defProcessName, 4568 String processName, int uid) { 4569 if (processName == null) { 4570 return defProcessName; 4571 } 4572 return processName; 4573 } 4574 4575 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4576 if (pkgSetting.signatures.mSignatures != null) { 4577 // Already existing package. Make sure signatures match 4578 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4579 == PackageManager.SIGNATURE_MATCH; 4580 if (!match) { 4581 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4582 == PackageManager.SIGNATURE_MATCH; 4583 } 4584 if (!match) { 4585 Slog.e(TAG, "Package " + pkg.packageName 4586 + " signatures do not match the previously installed version; ignoring!"); 4587 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4588 return false; 4589 } 4590 } 4591 4592 // Check for shared user signatures 4593 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4594 // Already existing package. Make sure signatures match 4595 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4596 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4597 if (!match) { 4598 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4599 == PackageManager.SIGNATURE_MATCH; 4600 } 4601 if (!match) { 4602 Slog.e(TAG, "Package " + pkg.packageName 4603 + " has no signatures that match those in shared user " 4604 + pkgSetting.sharedUser.name + "; ignoring!"); 4605 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4606 return false; 4607 } 4608 } 4609 return true; 4610 } 4611 4612 /** 4613 * Enforces that only the system UID or root's UID can call a method exposed 4614 * via Binder. 4615 * 4616 * @param message used as message if SecurityException is thrown 4617 * @throws SecurityException if the caller is not system or root 4618 */ 4619 private static final void enforceSystemOrRoot(String message) { 4620 final int uid = Binder.getCallingUid(); 4621 if (uid != Process.SYSTEM_UID && uid != 0) { 4622 throw new SecurityException(message); 4623 } 4624 } 4625 4626 @Override 4627 public void performBootDexOpt() { 4628 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4629 4630 final HashSet<PackageParser.Package> pkgs; 4631 synchronized (mPackages) { 4632 pkgs = mDeferredDexOpt; 4633 mDeferredDexOpt = null; 4634 } 4635 4636 if (pkgs != null) { 4637 // Filter out packages that aren't recently used. 4638 // 4639 // The exception is first boot of a non-eng device, which 4640 // should do a full dexopt. 4641 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4642 if (eng || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4643 // TODO: add a property to control this? 4644 long dexOptLRUThresholdInMinutes; 4645 if (eng) { 4646 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4647 } else { 4648 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4649 } 4650 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4651 4652 int total = pkgs.size(); 4653 int skipped = 0; 4654 long now = System.currentTimeMillis(); 4655 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4656 PackageParser.Package pkg = i.next(); 4657 long then = pkg.mLastPackageUsageTimeInMills; 4658 if (then + dexOptLRUThresholdInMills < now) { 4659 if (DEBUG_DEXOPT) { 4660 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4661 ((then == 0) ? "never" : new Date(then))); 4662 } 4663 i.remove(); 4664 skipped++; 4665 } 4666 } 4667 if (DEBUG_DEXOPT) { 4668 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4669 } 4670 } 4671 4672 int i = 0; 4673 for (PackageParser.Package pkg : pkgs) { 4674 i++; 4675 if (DEBUG_DEXOPT) { 4676 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4677 + ": " + pkg.packageName); 4678 } 4679 if (!isFirstBoot()) { 4680 try { 4681 ActivityManagerNative.getDefault().showBootMessage( 4682 mContext.getResources().getString( 4683 R.string.android_upgrading_apk, 4684 i, pkgs.size()), true); 4685 } catch (RemoteException e) { 4686 } 4687 } 4688 PackageParser.Package p = pkg; 4689 synchronized (mInstallLock) { 4690 if (p.mDexOptNeeded) { 4691 performDexOptLI(p, false /* force dex */, false /* defer */, 4692 true /* include dependencies */); 4693 } 4694 } 4695 } 4696 } 4697 } 4698 4699 @Override 4700 public boolean performDexOpt(String packageName) { 4701 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4702 return performDexOpt(packageName, true); 4703 } 4704 4705 public boolean performDexOpt(String packageName, boolean updateUsage) { 4706 4707 PackageParser.Package p; 4708 synchronized (mPackages) { 4709 p = mPackages.get(packageName); 4710 if (p == null) { 4711 return false; 4712 } 4713 if (updateUsage) { 4714 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4715 } 4716 mPackageUsage.write(false); 4717 if (!p.mDexOptNeeded) { 4718 return false; 4719 } 4720 } 4721 4722 synchronized (mInstallLock) { 4723 return performDexOptLI(p, false /* force dex */, false /* defer */, 4724 true /* include dependencies */) == DEX_OPT_PERFORMED; 4725 } 4726 } 4727 4728 public HashSet<String> getPackagesThatNeedDexOpt() { 4729 HashSet<String> pkgs = null; 4730 synchronized (mPackages) { 4731 for (PackageParser.Package p : mPackages.values()) { 4732 if (DEBUG_DEXOPT) { 4733 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4734 } 4735 if (!p.mDexOptNeeded) { 4736 continue; 4737 } 4738 if (pkgs == null) { 4739 pkgs = new HashSet<String>(); 4740 } 4741 pkgs.add(p.packageName); 4742 } 4743 } 4744 return pkgs; 4745 } 4746 4747 public void shutdown() { 4748 mPackageUsage.write(true); 4749 } 4750 4751 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4752 boolean forceDex, boolean defer, HashSet<String> done) { 4753 for (int i=0; i<libs.size(); i++) { 4754 PackageParser.Package libPkg; 4755 String libName; 4756 synchronized (mPackages) { 4757 libName = libs.get(i); 4758 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4759 if (lib != null && lib.apk != null) { 4760 libPkg = mPackages.get(lib.apk); 4761 } else { 4762 libPkg = null; 4763 } 4764 } 4765 if (libPkg != null && !done.contains(libName)) { 4766 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4767 } 4768 } 4769 } 4770 4771 static final int DEX_OPT_SKIPPED = 0; 4772 static final int DEX_OPT_PERFORMED = 1; 4773 static final int DEX_OPT_DEFERRED = 2; 4774 static final int DEX_OPT_FAILED = -1; 4775 4776 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4777 boolean forceDex, boolean defer, HashSet<String> done) { 4778 final String instructionSet = instructionSetOverride != null ? 4779 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4780 4781 if (done != null) { 4782 done.add(pkg.packageName); 4783 if (pkg.usesLibraries != null) { 4784 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4785 } 4786 if (pkg.usesOptionalLibraries != null) { 4787 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4788 } 4789 } 4790 4791 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0) { 4792 final Collection<String> paths = pkg.getAllCodePaths(); 4793 for (String path : paths) { 4794 try { 4795 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4796 pkg.packageName, instructionSet, defer); 4797 // There are three basic cases here: 4798 // 1.) we need to dexopt, either because we are forced or it is needed 4799 // 2.) we are defering a needed dexopt 4800 // 3.) we are skipping an unneeded dexopt 4801 if (forceDex || (!defer && isDexOptNeededInternal)) { 4802 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4803 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4804 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4805 pkg.packageName, instructionSet); 4806 // Note that we ran dexopt, since rerunning will 4807 // probably just result in an error again. 4808 pkg.mDexOptNeeded = false; 4809 if (ret < 0) { 4810 return DEX_OPT_FAILED; 4811 } 4812 return DEX_OPT_PERFORMED; 4813 } 4814 if (defer && isDexOptNeededInternal) { 4815 if (mDeferredDexOpt == null) { 4816 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4817 } 4818 mDeferredDexOpt.add(pkg); 4819 return DEX_OPT_DEFERRED; 4820 } 4821 pkg.mDexOptNeeded = false; 4822 return DEX_OPT_SKIPPED; 4823 } catch (FileNotFoundException e) { 4824 Slog.w(TAG, "Apk not found for dexopt: " + path); 4825 return DEX_OPT_FAILED; 4826 } catch (IOException e) { 4827 Slog.w(TAG, "IOException reading apk: " + path, e); 4828 return DEX_OPT_FAILED; 4829 } catch (StaleDexCacheError e) { 4830 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4831 return DEX_OPT_FAILED; 4832 } catch (Exception e) { 4833 Slog.w(TAG, "Exception when doing dexopt : ", e); 4834 return DEX_OPT_FAILED; 4835 } 4836 } 4837 } 4838 return DEX_OPT_SKIPPED; 4839 } 4840 4841 private String getAppInstructionSet(ApplicationInfo info) { 4842 String instructionSet = getPreferredInstructionSet(); 4843 4844 if (info.cpuAbi != null) { 4845 instructionSet = VMRuntime.getInstructionSet(info.cpuAbi); 4846 } 4847 4848 return instructionSet; 4849 } 4850 4851 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4852 String instructionSet = getPreferredInstructionSet(); 4853 4854 if (ps.cpuAbiString != null) { 4855 instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 4856 } 4857 4858 return instructionSet; 4859 } 4860 4861 private static String getPreferredInstructionSet() { 4862 if (sPreferredInstructionSet == null) { 4863 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4864 } 4865 4866 return sPreferredInstructionSet; 4867 } 4868 4869 private static List<String> getAllInstructionSets() { 4870 final String[] allAbis = Build.SUPPORTED_ABIS; 4871 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4872 4873 for (String abi : allAbis) { 4874 final String instructionSet = VMRuntime.getInstructionSet(abi); 4875 if (!allInstructionSets.contains(instructionSet)) { 4876 allInstructionSets.add(instructionSet); 4877 } 4878 } 4879 4880 return allInstructionSets; 4881 } 4882 4883 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4884 boolean inclDependencies) { 4885 HashSet<String> done; 4886 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4887 done = new HashSet<String>(); 4888 done.add(pkg.packageName); 4889 } else { 4890 done = null; 4891 } 4892 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4893 } 4894 4895 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4896 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4897 Slog.w(TAG, "Unable to update from " + oldPkg.name 4898 + " to " + newPkg.packageName 4899 + ": old package not in system partition"); 4900 return false; 4901 } else if (mPackages.get(oldPkg.name) != null) { 4902 Slog.w(TAG, "Unable to update from " + oldPkg.name 4903 + " to " + newPkg.packageName 4904 + ": old package still exists"); 4905 return false; 4906 } 4907 return true; 4908 } 4909 4910 File getDataPathForUser(int userId) { 4911 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4912 } 4913 4914 private File getDataPathForPackage(String packageName, int userId) { 4915 /* 4916 * Until we fully support multiple users, return the directory we 4917 * previously would have. The PackageManagerTests will need to be 4918 * revised when this is changed back.. 4919 */ 4920 if (userId == 0) { 4921 return new File(mAppDataDir, packageName); 4922 } else { 4923 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4924 + File.separator + packageName); 4925 } 4926 } 4927 4928 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4929 int[] users = sUserManager.getUserIds(); 4930 int res = mInstaller.install(packageName, uid, uid, seinfo); 4931 if (res < 0) { 4932 return res; 4933 } 4934 for (int user : users) { 4935 if (user != 0) { 4936 res = mInstaller.createUserData(packageName, 4937 UserHandle.getUid(user, uid), user, seinfo); 4938 if (res < 0) { 4939 return res; 4940 } 4941 } 4942 } 4943 return res; 4944 } 4945 4946 private int removeDataDirsLI(String packageName) { 4947 int[] users = sUserManager.getUserIds(); 4948 int res = 0; 4949 for (int user : users) { 4950 int resInner = mInstaller.remove(packageName, user); 4951 if (resInner < 0) { 4952 res = resInner; 4953 } 4954 } 4955 4956 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4957 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4958 if (!nativeLibraryFile.delete()) { 4959 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4960 } 4961 4962 return res; 4963 } 4964 4965 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4966 PackageParser.Package changingLib) { 4967 if (file.path != null) { 4968 usesLibraryFiles.add(file.path); 4969 return; 4970 } 4971 PackageParser.Package p = mPackages.get(file.apk); 4972 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4973 // If we are doing this while in the middle of updating a library apk, 4974 // then we need to make sure to use that new apk for determining the 4975 // dependencies here. (We haven't yet finished committing the new apk 4976 // to the package manager state.) 4977 if (p == null || p.packageName.equals(changingLib.packageName)) { 4978 p = changingLib; 4979 } 4980 } 4981 if (p != null) { 4982 usesLibraryFiles.addAll(p.getAllCodePaths()); 4983 } 4984 } 4985 4986 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4987 PackageParser.Package changingLib) { 4988 // We might be upgrading from a version of the platform that did not 4989 // provide per-package native library directories for system apps. 4990 // Fix that up here. 4991 if (isSystemApp(pkg)) { 4992 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4993 setInternalAppNativeLibraryPath(pkg, ps); 4994 } 4995 4996 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4997 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4998 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4999 for (int i=0; i<N; i++) { 5000 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5001 if (file == null) { 5002 Slog.e(TAG, "Package " + pkg.packageName 5003 + " requires unavailable shared library " 5004 + pkg.usesLibraries.get(i) + "; failing!"); 5005 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 5006 return false; 5007 } 5008 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5009 } 5010 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5011 for (int i=0; i<N; i++) { 5012 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5013 if (file == null) { 5014 Slog.w(TAG, "Package " + pkg.packageName 5015 + " desires unavailable shared library " 5016 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5017 } else { 5018 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5019 } 5020 } 5021 N = usesLibraryFiles.size(); 5022 if (N > 0) { 5023 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5024 } else { 5025 pkg.usesLibraryFiles = null; 5026 } 5027 } 5028 return true; 5029 } 5030 5031 private static boolean hasString(List<String> list, List<String> which) { 5032 if (list == null) { 5033 return false; 5034 } 5035 for (int i=list.size()-1; i>=0; i--) { 5036 for (int j=which.size()-1; j>=0; j--) { 5037 if (which.get(j).equals(list.get(i))) { 5038 return true; 5039 } 5040 } 5041 } 5042 return false; 5043 } 5044 5045 private void updateAllSharedLibrariesLPw() { 5046 for (PackageParser.Package pkg : mPackages.values()) { 5047 updateSharedLibrariesLPw(pkg, null); 5048 } 5049 } 5050 5051 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5052 PackageParser.Package changingPkg) { 5053 ArrayList<PackageParser.Package> res = null; 5054 for (PackageParser.Package pkg : mPackages.values()) { 5055 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5056 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5057 if (res == null) { 5058 res = new ArrayList<PackageParser.Package>(); 5059 } 5060 res.add(pkg); 5061 updateSharedLibrariesLPw(pkg, changingPkg); 5062 } 5063 } 5064 return res; 5065 } 5066 5067 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 5068 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 5069 final File scanFile = new File(pkg.codePath); 5070 if (pkg.applicationInfo.sourceDir == null || 5071 pkg.applicationInfo.publicSourceDir == null) { 5072 // Bail out. The resource and code paths haven't been set. 5073 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 5074 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 5075 return null; 5076 } 5077 5078 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5079 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5080 } 5081 5082 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5083 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5084 } 5085 5086 if (mCustomResolverComponentName != null && 5087 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5088 setUpCustomResolverActivity(pkg); 5089 } 5090 5091 if (pkg.packageName.equals("android")) { 5092 synchronized (mPackages) { 5093 if (mAndroidApplication != null) { 5094 Slog.w(TAG, "*************************************************"); 5095 Slog.w(TAG, "Core android package being redefined. Skipping."); 5096 Slog.w(TAG, " file=" + scanFile); 5097 Slog.w(TAG, "*************************************************"); 5098 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 5099 return null; 5100 } 5101 5102 // Set up information for our fall-back user intent resolution activity. 5103 mPlatformPackage = pkg; 5104 pkg.mVersionCode = mSdkVersion; 5105 mAndroidApplication = pkg.applicationInfo; 5106 5107 if (!mResolverReplaced) { 5108 mResolveActivity.applicationInfo = mAndroidApplication; 5109 mResolveActivity.name = ResolverActivity.class.getName(); 5110 mResolveActivity.packageName = mAndroidApplication.packageName; 5111 mResolveActivity.processName = "system:ui"; 5112 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5113 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5114 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5115 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5116 mResolveActivity.exported = true; 5117 mResolveActivity.enabled = true; 5118 mResolveInfo.activityInfo = mResolveActivity; 5119 mResolveInfo.priority = 0; 5120 mResolveInfo.preferredOrder = 0; 5121 mResolveInfo.match = 0; 5122 mResolveComponentName = new ComponentName( 5123 mAndroidApplication.packageName, mResolveActivity.name); 5124 } 5125 } 5126 } 5127 5128 if (DEBUG_PACKAGE_SCANNING) { 5129 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5130 Log.d(TAG, "Scanning package " + pkg.packageName); 5131 } 5132 5133 if (mPackages.containsKey(pkg.packageName) 5134 || mSharedLibraries.containsKey(pkg.packageName)) { 5135 Slog.w(TAG, "Application package " + pkg.packageName 5136 + " already installed. Skipping duplicate."); 5137 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 5138 return null; 5139 } 5140 5141 // Initialize package source and resource directories 5142 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 5143 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 5144 5145 SharedUserSetting suid = null; 5146 PackageSetting pkgSetting = null; 5147 5148 if (!isSystemApp(pkg)) { 5149 // Only system apps can use these features. 5150 pkg.mOriginalPackages = null; 5151 pkg.mRealPackage = null; 5152 pkg.mAdoptPermissions = null; 5153 } 5154 5155 // writer 5156 synchronized (mPackages) { 5157 if (pkg.mSharedUserId != null) { 5158 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5159 if (suid == null) { 5160 Slog.w(TAG, "Creating application package " + pkg.packageName 5161 + " for shared user failed"); 5162 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5163 return null; 5164 } 5165 if (DEBUG_PACKAGE_SCANNING) { 5166 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5167 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5168 + "): packages=" + suid.packages); 5169 } 5170 } 5171 5172 // Check if we are renaming from an original package name. 5173 PackageSetting origPackage = null; 5174 String realName = null; 5175 if (pkg.mOriginalPackages != null) { 5176 // This package may need to be renamed to a previously 5177 // installed name. Let's check on that... 5178 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5179 if (pkg.mOriginalPackages.contains(renamed)) { 5180 // This package had originally been installed as the 5181 // original name, and we have already taken care of 5182 // transitioning to the new one. Just update the new 5183 // one to continue using the old name. 5184 realName = pkg.mRealPackage; 5185 if (!pkg.packageName.equals(renamed)) { 5186 // Callers into this function may have already taken 5187 // care of renaming the package; only do it here if 5188 // it is not already done. 5189 pkg.setPackageName(renamed); 5190 } 5191 5192 } else { 5193 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5194 if ((origPackage = mSettings.peekPackageLPr( 5195 pkg.mOriginalPackages.get(i))) != null) { 5196 // We do have the package already installed under its 5197 // original name... should we use it? 5198 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5199 // New package is not compatible with original. 5200 origPackage = null; 5201 continue; 5202 } else if (origPackage.sharedUser != null) { 5203 // Make sure uid is compatible between packages. 5204 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5205 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5206 + " to " + pkg.packageName + ": old uid " 5207 + origPackage.sharedUser.name 5208 + " differs from " + pkg.mSharedUserId); 5209 origPackage = null; 5210 continue; 5211 } 5212 } else { 5213 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5214 + pkg.packageName + " to old name " + origPackage.name); 5215 } 5216 break; 5217 } 5218 } 5219 } 5220 } 5221 5222 if (mTransferedPackages.contains(pkg.packageName)) { 5223 Slog.w(TAG, "Package " + pkg.packageName 5224 + " was transferred to another, but its .apk remains"); 5225 } 5226 5227 // Just create the setting, don't add it yet. For already existing packages 5228 // the PkgSetting exists already and doesn't have to be created. 5229 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5230 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 5231 pkg.applicationInfo.cpuAbi, 5232 pkg.applicationInfo.flags, user, false); 5233 if (pkgSetting == null) { 5234 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5235 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5236 return null; 5237 } 5238 5239 if (pkgSetting.origPackage != null) { 5240 // If we are first transitioning from an original package, 5241 // fix up the new package's name now. We need to do this after 5242 // looking up the package under its new name, so getPackageLP 5243 // can take care of fiddling things correctly. 5244 pkg.setPackageName(origPackage.name); 5245 5246 // File a report about this. 5247 String msg = "New package " + pkgSetting.realName 5248 + " renamed to replace old package " + pkgSetting.name; 5249 reportSettingsProblem(Log.WARN, msg); 5250 5251 // Make a note of it. 5252 mTransferedPackages.add(origPackage.name); 5253 5254 // No longer need to retain this. 5255 pkgSetting.origPackage = null; 5256 } 5257 5258 if (realName != null) { 5259 // Make a note of it. 5260 mTransferedPackages.add(pkg.packageName); 5261 } 5262 5263 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5264 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5265 } 5266 5267 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5268 // Check all shared libraries and map to their actual file path. 5269 // We only do this here for apps not on a system dir, because those 5270 // are the only ones that can fail an install due to this. We 5271 // will take care of the system apps by updating all of their 5272 // library paths after the scan is done. 5273 if (!updateSharedLibrariesLPw(pkg, null)) { 5274 return null; 5275 } 5276 } 5277 5278 if (mFoundPolicyFile) { 5279 SELinuxMMAC.assignSeinfoValue(pkg); 5280 } 5281 5282 pkg.applicationInfo.uid = pkgSetting.appId; 5283 pkg.mExtras = pkgSetting; 5284 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5285 if (!verifySignaturesLP(pkgSetting, pkg)) { 5286 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5287 return null; 5288 } 5289 // The signature has changed, but this package is in the system 5290 // image... let's recover! 5291 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5292 // However... if this package is part of a shared user, but it 5293 // doesn't match the signature of the shared user, let's fail. 5294 // What this means is that you can't change the signatures 5295 // associated with an overall shared user, which doesn't seem all 5296 // that unreasonable. 5297 if (pkgSetting.sharedUser != null) { 5298 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5299 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5300 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5301 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5302 return null; 5303 } 5304 } 5305 // File a report about this. 5306 String msg = "System package " + pkg.packageName 5307 + " signature changed; retaining data."; 5308 reportSettingsProblem(Log.WARN, msg); 5309 } 5310 } else { 5311 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5312 Slog.e(TAG, "Package " + pkg.packageName 5313 + " upgrade keys do not match the previously installed version; "); 5314 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5315 return null; 5316 } else { 5317 // signatures may have changed as result of upgrade 5318 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5319 } 5320 } 5321 // Verify that this new package doesn't have any content providers 5322 // that conflict with existing packages. Only do this if the 5323 // package isn't already installed, since we don't want to break 5324 // things that are installed. 5325 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5326 final int N = pkg.providers.size(); 5327 int i; 5328 for (i=0; i<N; i++) { 5329 PackageParser.Provider p = pkg.providers.get(i); 5330 if (p.info.authority != null) { 5331 String names[] = p.info.authority.split(";"); 5332 for (int j = 0; j < names.length; j++) { 5333 if (mProvidersByAuthority.containsKey(names[j])) { 5334 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5335 Slog.w(TAG, "Can't install because provider name " + names[j] + 5336 " (in package " + pkg.applicationInfo.packageName + 5337 ") is already used by " 5338 + ((other != null && other.getComponentName() != null) 5339 ? other.getComponentName().getPackageName() : "?")); 5340 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5341 return null; 5342 } 5343 } 5344 } 5345 } 5346 } 5347 5348 if (pkg.mAdoptPermissions != null) { 5349 // This package wants to adopt ownership of permissions from 5350 // another package. 5351 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5352 final String origName = pkg.mAdoptPermissions.get(i); 5353 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5354 if (orig != null) { 5355 if (verifyPackageUpdateLPr(orig, pkg)) { 5356 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5357 + pkg.packageName); 5358 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5359 } 5360 } 5361 } 5362 } 5363 } 5364 5365 final String pkgName = pkg.packageName; 5366 5367 final long scanFileTime = scanFile.lastModified(); 5368 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5369 pkg.applicationInfo.processName = fixProcessName( 5370 pkg.applicationInfo.packageName, 5371 pkg.applicationInfo.processName, 5372 pkg.applicationInfo.uid); 5373 5374 File dataPath; 5375 if (mPlatformPackage == pkg) { 5376 // The system package is special. 5377 dataPath = new File (Environment.getDataDirectory(), "system"); 5378 pkg.applicationInfo.dataDir = dataPath.getPath(); 5379 } else { 5380 // This is a normal package, need to make its data directory. 5381 dataPath = getDataPathForPackage(pkg.packageName, 0); 5382 5383 boolean uidError = false; 5384 5385 if (dataPath.exists()) { 5386 int currentUid = 0; 5387 try { 5388 StructStat stat = Os.stat(dataPath.getPath()); 5389 currentUid = stat.st_uid; 5390 } catch (ErrnoException e) { 5391 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5392 } 5393 5394 // If we have mismatched owners for the data path, we have a problem. 5395 if (currentUid != pkg.applicationInfo.uid) { 5396 boolean recovered = false; 5397 if (currentUid == 0) { 5398 // The directory somehow became owned by root. Wow. 5399 // This is probably because the system was stopped while 5400 // installd was in the middle of messing with its libs 5401 // directory. Ask installd to fix that. 5402 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5403 pkg.applicationInfo.uid); 5404 if (ret >= 0) { 5405 recovered = true; 5406 String msg = "Package " + pkg.packageName 5407 + " unexpectedly changed to uid 0; recovered to " + 5408 + pkg.applicationInfo.uid; 5409 reportSettingsProblem(Log.WARN, msg); 5410 } 5411 } 5412 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5413 || (scanMode&SCAN_BOOTING) != 0)) { 5414 // If this is a system app, we can at least delete its 5415 // current data so the application will still work. 5416 int ret = removeDataDirsLI(pkgName); 5417 if (ret >= 0) { 5418 // TODO: Kill the processes first 5419 // Old data gone! 5420 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5421 ? "System package " : "Third party package "; 5422 String msg = prefix + pkg.packageName 5423 + " has changed from uid: " 5424 + currentUid + " to " 5425 + pkg.applicationInfo.uid + "; old data erased"; 5426 reportSettingsProblem(Log.WARN, msg); 5427 recovered = true; 5428 5429 // And now re-install the app. 5430 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5431 pkg.applicationInfo.seinfo); 5432 if (ret == -1) { 5433 // Ack should not happen! 5434 msg = prefix + pkg.packageName 5435 + " could not have data directory re-created after delete."; 5436 reportSettingsProblem(Log.WARN, msg); 5437 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5438 return null; 5439 } 5440 } 5441 if (!recovered) { 5442 mHasSystemUidErrors = true; 5443 } 5444 } else if (!recovered) { 5445 // If we allow this install to proceed, we will be broken. 5446 // Abort, abort! 5447 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5448 return null; 5449 } 5450 if (!recovered) { 5451 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5452 + pkg.applicationInfo.uid + "/fs_" 5453 + currentUid; 5454 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5455 String msg = "Package " + pkg.packageName 5456 + " has mismatched uid: " 5457 + currentUid + " on disk, " 5458 + pkg.applicationInfo.uid + " in settings"; 5459 // writer 5460 synchronized (mPackages) { 5461 mSettings.mReadMessages.append(msg); 5462 mSettings.mReadMessages.append('\n'); 5463 uidError = true; 5464 if (!pkgSetting.uidError) { 5465 reportSettingsProblem(Log.ERROR, msg); 5466 } 5467 } 5468 } 5469 } 5470 pkg.applicationInfo.dataDir = dataPath.getPath(); 5471 if (mShouldRestoreconData) { 5472 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5473 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5474 pkg.applicationInfo.uid); 5475 } 5476 } else { 5477 if (DEBUG_PACKAGE_SCANNING) { 5478 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5479 Log.v(TAG, "Want this data dir: " + dataPath); 5480 } 5481 //invoke installer to do the actual installation 5482 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5483 pkg.applicationInfo.seinfo); 5484 if (ret < 0) { 5485 // Error from installer 5486 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5487 return null; 5488 } 5489 5490 if (dataPath.exists()) { 5491 pkg.applicationInfo.dataDir = dataPath.getPath(); 5492 } else { 5493 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5494 pkg.applicationInfo.dataDir = null; 5495 } 5496 } 5497 5498 /* 5499 * Set the data dir to the default "/data/data/<package name>/lib" 5500 * if we got here without anyone telling us different (e.g., apps 5501 * stored on SD card have their native libraries stored in the ASEC 5502 * container with the APK). 5503 * 5504 * This happens during an upgrade from a package settings file that 5505 * doesn't have a native library path attribute at all. 5506 */ 5507 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5508 if (pkgSetting.nativeLibraryPathString == null) { 5509 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5510 } else { 5511 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5512 } 5513 } 5514 pkgSetting.uidError = uidError; 5515 } 5516 5517 final String path = scanFile.getPath(); 5518 /* Note: We don't want to unpack the native binaries for 5519 * system applications, unless they have been updated 5520 * (the binaries are already under /system/lib). 5521 * Also, don't unpack libs for apps on the external card 5522 * since they should have their libraries in the ASEC 5523 * container already. 5524 * 5525 * In other words, we're going to unpack the binaries 5526 * only for non-system apps and system app upgrades. 5527 */ 5528 if (pkg.applicationInfo.nativeLibraryDir != null) { 5529 // TODO: extend to extract native code from split APKs 5530 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5531 try { 5532 // Enable gross and lame hacks for apps that are built with old 5533 // SDK tools. We must scan their APKs for renderscript bitcode and 5534 // not launch them if it's present. Don't bother checking on devices 5535 // that don't have 64 bit support. 5536 String[] abiList = Build.SUPPORTED_ABIS; 5537 boolean hasLegacyRenderscriptBitcode = false; 5538 if (abiOverride != null) { 5539 abiList = new String[] { abiOverride }; 5540 } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 5541 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5542 abiList = Build.SUPPORTED_32_BIT_ABIS; 5543 hasLegacyRenderscriptBitcode = true; 5544 } 5545 5546 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5547 final String dataPathString = dataPath.getCanonicalPath(); 5548 5549 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5550 /* 5551 * Upgrading from a previous version of the OS sometimes 5552 * leaves native libraries in the /data/data/<app>/lib 5553 * directory for system apps even when they shouldn't be. 5554 * Recent changes in the JNI library search path 5555 * necessitates we remove those to match previous behavior. 5556 */ 5557 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5558 Log.i(TAG, "removed obsolete native libraries for system package " 5559 + path); 5560 } 5561 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5562 pkg.applicationInfo.cpuAbi = abiList[0]; 5563 pkgSetting.cpuAbiString = abiList[0]; 5564 } else { 5565 setInternalAppAbi(pkg, pkgSetting); 5566 } 5567 } else { 5568 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5569 /* 5570 * Update native library dir if it starts with 5571 * /data/data 5572 */ 5573 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5574 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5575 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5576 } 5577 5578 try { 5579 int copyRet = copyNativeLibrariesForInternalApp(handle, 5580 nativeLibraryDir, abiList); 5581 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5582 Slog.e(TAG, "Unable to copy native libraries"); 5583 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5584 return null; 5585 } 5586 5587 // We've successfully copied native libraries across, so we make a 5588 // note of what ABI we're using 5589 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5590 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5591 } else if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5592 pkg.applicationInfo.cpuAbi = abiList[0]; 5593 } else { 5594 pkg.applicationInfo.cpuAbi = null; 5595 } 5596 } catch (IOException e) { 5597 Slog.e(TAG, "Unable to copy native libraries", e); 5598 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5599 return null; 5600 } 5601 } else { 5602 // We don't have to copy the shared libraries if we're in the ASEC container 5603 // but we still need to scan the file to figure out what ABI the app needs. 5604 // 5605 // TODO: This duplicates work done in the default container service. It's possible 5606 // to clean this up but we'll need to change the interface between this service 5607 // and IMediaContainerService (but doing so will spread this logic out, rather 5608 // than centralizing it). 5609 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5610 if (abi >= 0) { 5611 pkg.applicationInfo.cpuAbi = abiList[abi]; 5612 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5613 // Note that (non upgraded) system apps will not have any native 5614 // libraries bundled in their APK, but we're guaranteed not to be 5615 // such an app at this point. 5616 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5617 pkg.applicationInfo.cpuAbi = abiList[0]; 5618 } else { 5619 pkg.applicationInfo.cpuAbi = null; 5620 } 5621 } else { 5622 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5623 return null; 5624 } 5625 } 5626 5627 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5628 final int[] userIds = sUserManager.getUserIds(); 5629 synchronized (mInstallLock) { 5630 for (int userId : userIds) { 5631 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5632 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5633 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5634 + ")"); 5635 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5636 return null; 5637 } 5638 } 5639 } 5640 } 5641 5642 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5643 } catch (IOException ioe) { 5644 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5645 } finally { 5646 handle.close(); 5647 } 5648 } 5649 5650 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5651 // We don't do this here during boot because we can do it all 5652 // at once after scanning all existing packages. 5653 // 5654 // We also do this *before* we perform dexopt on this package, so that 5655 // we can avoid redundant dexopts, and also to make sure we've got the 5656 // code and package path correct. 5657 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5658 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5659 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5660 return null; 5661 } 5662 } 5663 5664 if ((scanMode&SCAN_NO_DEX) == 0) { 5665 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5666 == DEX_OPT_FAILED) { 5667 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5668 removeDataDirsLI(pkg.packageName); 5669 } 5670 5671 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5672 return null; 5673 } 5674 } 5675 5676 if (mFactoryTest && pkg.requestedPermissions.contains( 5677 android.Manifest.permission.FACTORY_TEST)) { 5678 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5679 } 5680 5681 ArrayList<PackageParser.Package> clientLibPkgs = null; 5682 5683 // writer 5684 synchronized (mPackages) { 5685 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5686 // Only system apps can add new shared libraries. 5687 if (pkg.libraryNames != null) { 5688 for (int i=0; i<pkg.libraryNames.size(); i++) { 5689 String name = pkg.libraryNames.get(i); 5690 boolean allowed = false; 5691 if (isUpdatedSystemApp(pkg)) { 5692 // New library entries can only be added through the 5693 // system image. This is important to get rid of a lot 5694 // of nasty edge cases: for example if we allowed a non- 5695 // system update of the app to add a library, then uninstalling 5696 // the update would make the library go away, and assumptions 5697 // we made such as through app install filtering would now 5698 // have allowed apps on the device which aren't compatible 5699 // with it. Better to just have the restriction here, be 5700 // conservative, and create many fewer cases that can negatively 5701 // impact the user experience. 5702 final PackageSetting sysPs = mSettings 5703 .getDisabledSystemPkgLPr(pkg.packageName); 5704 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5705 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5706 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5707 allowed = true; 5708 allowed = true; 5709 break; 5710 } 5711 } 5712 } 5713 } else { 5714 allowed = true; 5715 } 5716 if (allowed) { 5717 if (!mSharedLibraries.containsKey(name)) { 5718 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5719 } else if (!name.equals(pkg.packageName)) { 5720 Slog.w(TAG, "Package " + pkg.packageName + " library " 5721 + name + " already exists; skipping"); 5722 } 5723 } else { 5724 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5725 + name + " that is not declared on system image; skipping"); 5726 } 5727 } 5728 if ((scanMode&SCAN_BOOTING) == 0) { 5729 // If we are not booting, we need to update any applications 5730 // that are clients of our shared library. If we are booting, 5731 // this will all be done once the scan is complete. 5732 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5733 } 5734 } 5735 } 5736 } 5737 5738 // We also need to dexopt any apps that are dependent on this library. Note that 5739 // if these fail, we should abort the install since installing the library will 5740 // result in some apps being broken. 5741 if (clientLibPkgs != null) { 5742 if ((scanMode&SCAN_NO_DEX) == 0) { 5743 for (int i=0; i<clientLibPkgs.size(); i++) { 5744 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5745 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5746 == DEX_OPT_FAILED) { 5747 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5748 removeDataDirsLI(pkg.packageName); 5749 } 5750 5751 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5752 return null; 5753 } 5754 } 5755 } 5756 } 5757 5758 // Request the ActivityManager to kill the process(only for existing packages) 5759 // so that we do not end up in a confused state while the user is still using the older 5760 // version of the application while the new one gets installed. 5761 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5762 // If the package lives in an asec, tell everyone that the container is going 5763 // away so they can clean up any references to its resources (which would prevent 5764 // vold from being able to unmount the asec) 5765 if (isForwardLocked(pkg) || isExternal(pkg)) { 5766 if (DEBUG_INSTALL) { 5767 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5768 } 5769 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5770 final ArrayList<String> pkgList = new ArrayList<String>(1); 5771 pkgList.add(pkg.applicationInfo.packageName); 5772 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5773 } 5774 5775 // Post the request that it be killed now that the going-away broadcast is en route 5776 killApplication(pkg.applicationInfo.packageName, 5777 pkg.applicationInfo.uid, "update pkg"); 5778 } 5779 5780 // Also need to kill any apps that are dependent on the library. 5781 if (clientLibPkgs != null) { 5782 for (int i=0; i<clientLibPkgs.size(); i++) { 5783 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5784 killApplication(clientPkg.applicationInfo.packageName, 5785 clientPkg.applicationInfo.uid, "update lib"); 5786 } 5787 } 5788 5789 // writer 5790 synchronized (mPackages) { 5791 // We don't expect installation to fail beyond this point, 5792 if ((scanMode&SCAN_MONITOR) != 0) { 5793 mAppDirs.put(pkg.codePath, pkg); 5794 } 5795 // Add the new setting to mSettings 5796 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5797 // Add the new setting to mPackages 5798 mPackages.put(pkg.applicationInfo.packageName, pkg); 5799 // Make sure we don't accidentally delete its data. 5800 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5801 while (iter.hasNext()) { 5802 PackageCleanItem item = iter.next(); 5803 if (pkgName.equals(item.packageName)) { 5804 iter.remove(); 5805 } 5806 } 5807 5808 // Take care of first install / last update times. 5809 if (currentTime != 0) { 5810 if (pkgSetting.firstInstallTime == 0) { 5811 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5812 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5813 pkgSetting.lastUpdateTime = currentTime; 5814 } 5815 } else if (pkgSetting.firstInstallTime == 0) { 5816 // We need *something*. Take time time stamp of the file. 5817 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5818 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5819 if (scanFileTime != pkgSetting.timeStamp) { 5820 // A package on the system image has changed; consider this 5821 // to be an update. 5822 pkgSetting.lastUpdateTime = scanFileTime; 5823 } 5824 } 5825 5826 // Add the package's KeySets to the global KeySetManagerService 5827 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5828 try { 5829 // Old KeySetData no longer valid. 5830 ksms.removeAppKeySetData(pkg.packageName); 5831 ksms.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5832 if (pkg.mKeySetMapping != null) { 5833 for (Map.Entry<String, Set<PublicKey>> entry : 5834 pkg.mKeySetMapping.entrySet()) { 5835 if (entry.getValue() != null) { 5836 ksms.addDefinedKeySetToPackage(pkg.packageName, 5837 entry.getValue(), entry.getKey()); 5838 } 5839 } 5840 if (pkg.mUpgradeKeySets != null 5841 && pkg.mKeySetMapping.keySet().containsAll(pkg.mUpgradeKeySets)) { 5842 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5843 ksms.addUpgradeKeySetToPackage(pkg.packageName, upgradeAlias); 5844 } 5845 } 5846 } 5847 } catch (NullPointerException e) { 5848 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5849 } catch (IllegalArgumentException e) { 5850 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5851 } 5852 5853 int N = pkg.providers.size(); 5854 StringBuilder r = null; 5855 int i; 5856 for (i=0; i<N; i++) { 5857 PackageParser.Provider p = pkg.providers.get(i); 5858 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5859 p.info.processName, pkg.applicationInfo.uid); 5860 mProviders.addProvider(p); 5861 p.syncable = p.info.isSyncable; 5862 if (p.info.authority != null) { 5863 String names[] = p.info.authority.split(";"); 5864 p.info.authority = null; 5865 for (int j = 0; j < names.length; j++) { 5866 if (j == 1 && p.syncable) { 5867 // We only want the first authority for a provider to possibly be 5868 // syncable, so if we already added this provider using a different 5869 // authority clear the syncable flag. We copy the provider before 5870 // changing it because the mProviders object contains a reference 5871 // to a provider that we don't want to change. 5872 // Only do this for the second authority since the resulting provider 5873 // object can be the same for all future authorities for this provider. 5874 p = new PackageParser.Provider(p); 5875 p.syncable = false; 5876 } 5877 if (!mProvidersByAuthority.containsKey(names[j])) { 5878 mProvidersByAuthority.put(names[j], p); 5879 if (p.info.authority == null) { 5880 p.info.authority = names[j]; 5881 } else { 5882 p.info.authority = p.info.authority + ";" + names[j]; 5883 } 5884 if (DEBUG_PACKAGE_SCANNING) { 5885 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5886 Log.d(TAG, "Registered content provider: " + names[j] 5887 + ", className = " + p.info.name + ", isSyncable = " 5888 + p.info.isSyncable); 5889 } 5890 } else { 5891 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5892 Slog.w(TAG, "Skipping provider name " + names[j] + 5893 " (in package " + pkg.applicationInfo.packageName + 5894 "): name already used by " 5895 + ((other != null && other.getComponentName() != null) 5896 ? other.getComponentName().getPackageName() : "?")); 5897 } 5898 } 5899 } 5900 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5901 if (r == null) { 5902 r = new StringBuilder(256); 5903 } else { 5904 r.append(' '); 5905 } 5906 r.append(p.info.name); 5907 } 5908 } 5909 if (r != null) { 5910 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5911 } 5912 5913 N = pkg.services.size(); 5914 r = null; 5915 for (i=0; i<N; i++) { 5916 PackageParser.Service s = pkg.services.get(i); 5917 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5918 s.info.processName, pkg.applicationInfo.uid); 5919 mServices.addService(s); 5920 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5921 if (r == null) { 5922 r = new StringBuilder(256); 5923 } else { 5924 r.append(' '); 5925 } 5926 r.append(s.info.name); 5927 } 5928 } 5929 if (r != null) { 5930 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5931 } 5932 5933 N = pkg.receivers.size(); 5934 r = null; 5935 for (i=0; i<N; i++) { 5936 PackageParser.Activity a = pkg.receivers.get(i); 5937 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5938 a.info.processName, pkg.applicationInfo.uid); 5939 mReceivers.addActivity(a, "receiver"); 5940 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5941 if (r == null) { 5942 r = new StringBuilder(256); 5943 } else { 5944 r.append(' '); 5945 } 5946 r.append(a.info.name); 5947 } 5948 } 5949 if (r != null) { 5950 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5951 } 5952 5953 N = pkg.activities.size(); 5954 r = null; 5955 for (i=0; i<N; i++) { 5956 PackageParser.Activity a = pkg.activities.get(i); 5957 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5958 a.info.processName, pkg.applicationInfo.uid); 5959 mActivities.addActivity(a, "activity"); 5960 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5961 if (r == null) { 5962 r = new StringBuilder(256); 5963 } else { 5964 r.append(' '); 5965 } 5966 r.append(a.info.name); 5967 } 5968 } 5969 if (r != null) { 5970 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5971 } 5972 5973 N = pkg.permissionGroups.size(); 5974 r = null; 5975 for (i=0; i<N; i++) { 5976 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5977 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5978 if (cur == null) { 5979 mPermissionGroups.put(pg.info.name, pg); 5980 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5981 if (r == null) { 5982 r = new StringBuilder(256); 5983 } else { 5984 r.append(' '); 5985 } 5986 r.append(pg.info.name); 5987 } 5988 } else { 5989 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5990 + pg.info.packageName + " ignored: original from " 5991 + cur.info.packageName); 5992 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5993 if (r == null) { 5994 r = new StringBuilder(256); 5995 } else { 5996 r.append(' '); 5997 } 5998 r.append("DUP:"); 5999 r.append(pg.info.name); 6000 } 6001 } 6002 } 6003 if (r != null) { 6004 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6005 } 6006 6007 N = pkg.permissions.size(); 6008 r = null; 6009 for (i=0; i<N; i++) { 6010 PackageParser.Permission p = pkg.permissions.get(i); 6011 HashMap<String, BasePermission> permissionMap = 6012 p.tree ? mSettings.mPermissionTrees 6013 : mSettings.mPermissions; 6014 p.group = mPermissionGroups.get(p.info.group); 6015 if (p.info.group == null || p.group != null) { 6016 BasePermission bp = permissionMap.get(p.info.name); 6017 if (bp == null) { 6018 bp = new BasePermission(p.info.name, p.info.packageName, 6019 BasePermission.TYPE_NORMAL); 6020 permissionMap.put(p.info.name, bp); 6021 } 6022 if (bp.perm == null) { 6023 if (bp.sourcePackage != null 6024 && !bp.sourcePackage.equals(p.info.packageName)) { 6025 // If this is a permission that was formerly defined by a non-system 6026 // app, but is now defined by a system app (following an upgrade), 6027 // discard the previous declaration and consider the system's to be 6028 // canonical. 6029 if (isSystemApp(p.owner)) { 6030 String msg = "New decl " + p.owner + " of permission " 6031 + p.info.name + " is system"; 6032 reportSettingsProblem(Log.WARN, msg); 6033 bp.sourcePackage = null; 6034 } 6035 } 6036 if (bp.sourcePackage == null 6037 || bp.sourcePackage.equals(p.info.packageName)) { 6038 BasePermission tree = findPermissionTreeLP(p.info.name); 6039 if (tree == null 6040 || tree.sourcePackage.equals(p.info.packageName)) { 6041 bp.packageSetting = pkgSetting; 6042 bp.perm = p; 6043 bp.uid = pkg.applicationInfo.uid; 6044 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6045 if (r == null) { 6046 r = new StringBuilder(256); 6047 } else { 6048 r.append(' '); 6049 } 6050 r.append(p.info.name); 6051 } 6052 } else { 6053 Slog.w(TAG, "Permission " + p.info.name + " from package " 6054 + p.info.packageName + " ignored: base tree " 6055 + tree.name + " is from package " 6056 + tree.sourcePackage); 6057 } 6058 } else { 6059 Slog.w(TAG, "Permission " + p.info.name + " from package " 6060 + p.info.packageName + " ignored: original from " 6061 + bp.sourcePackage); 6062 } 6063 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6064 if (r == null) { 6065 r = new StringBuilder(256); 6066 } else { 6067 r.append(' '); 6068 } 6069 r.append("DUP:"); 6070 r.append(p.info.name); 6071 } 6072 if (bp.perm == p) { 6073 bp.protectionLevel = p.info.protectionLevel; 6074 } 6075 } else { 6076 Slog.w(TAG, "Permission " + p.info.name + " from package " 6077 + p.info.packageName + " ignored: no group " 6078 + p.group); 6079 } 6080 } 6081 if (r != null) { 6082 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6083 } 6084 6085 N = pkg.instrumentation.size(); 6086 r = null; 6087 for (i=0; i<N; i++) { 6088 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6089 a.info.packageName = pkg.applicationInfo.packageName; 6090 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6091 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6092 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6093 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6094 a.info.dataDir = pkg.applicationInfo.dataDir; 6095 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6096 mInstrumentation.put(a.getComponentName(), a); 6097 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6098 if (r == null) { 6099 r = new StringBuilder(256); 6100 } else { 6101 r.append(' '); 6102 } 6103 r.append(a.info.name); 6104 } 6105 } 6106 if (r != null) { 6107 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6108 } 6109 6110 if (pkg.protectedBroadcasts != null) { 6111 N = pkg.protectedBroadcasts.size(); 6112 for (i=0; i<N; i++) { 6113 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6114 } 6115 } 6116 6117 pkgSetting.setTimeStamp(scanFileTime); 6118 6119 // Create idmap files for pairs of (packages, overlay packages). 6120 // Note: "android", ie framework-res.apk, is handled by native layers. 6121 if (pkg.mOverlayTarget != null) { 6122 // This is an overlay package. 6123 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6124 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6125 mOverlays.put(pkg.mOverlayTarget, 6126 new HashMap<String, PackageParser.Package>()); 6127 } 6128 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6129 map.put(pkg.packageName, pkg); 6130 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6131 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6132 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 6133 return null; 6134 } 6135 } 6136 } else if (mOverlays.containsKey(pkg.packageName) && 6137 !pkg.packageName.equals("android")) { 6138 // This is a regular package, with one or more known overlay packages. 6139 createIdmapsForPackageLI(pkg); 6140 } 6141 } 6142 6143 return pkg; 6144 } 6145 6146 /** 6147 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6148 * i.e, so that all packages can be run inside a single process if required. 6149 * 6150 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6151 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6152 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6153 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6154 * updating a package that belongs to a shared user. 6155 */ 6156 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6157 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6158 String requiredInstructionSet = null; 6159 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 6160 requiredInstructionSet = VMRuntime.getInstructionSet( 6161 scannedPackage.applicationInfo.cpuAbi); 6162 } 6163 6164 PackageSetting requirer = null; 6165 for (PackageSetting ps : packagesForUser) { 6166 // If packagesForUser contains scannedPackage, we skip it. This will happen 6167 // when scannedPackage is an update of an existing package. Without this check, 6168 // we will never be able to change the ABI of any package belonging to a shared 6169 // user, even if it's compatible with other packages. 6170 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 6171 if (ps.cpuAbiString == null) { 6172 continue; 6173 } 6174 6175 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 6176 if (requiredInstructionSet != null) { 6177 if (!instructionSet.equals(requiredInstructionSet)) { 6178 // We have a mismatch between instruction sets (say arm vs arm64). 6179 // bail out. 6180 String errorMessage = "Instruction set mismatch, " 6181 + ((requirer == null) ? "[caller]" : requirer) 6182 + " requires " + requiredInstructionSet + " whereas " + ps 6183 + " requires " + instructionSet; 6184 Slog.e(TAG, errorMessage); 6185 6186 reportSettingsProblem(Log.WARN, errorMessage); 6187 // Give up, don't bother making any other changes to the package settings. 6188 return false; 6189 } 6190 } else { 6191 requiredInstructionSet = instructionSet; 6192 requirer = ps; 6193 } 6194 } 6195 } 6196 6197 if (requiredInstructionSet != null) { 6198 String adjustedAbi; 6199 if (requirer != null) { 6200 // requirer != null implies that either scannedPackage was null or that scannedPackage 6201 // did not require an ABI, in which case we have to adjust scannedPackage to match 6202 // the ABI of the set (which is the same as requirer's ABI) 6203 adjustedAbi = requirer.cpuAbiString; 6204 if (scannedPackage != null) { 6205 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 6206 } 6207 } else { 6208 // requirer == null implies that we're updating all ABIs in the set to 6209 // match scannedPackage. 6210 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 6211 } 6212 6213 for (PackageSetting ps : packagesForUser) { 6214 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6215 if (ps.cpuAbiString != null) { 6216 continue; 6217 } 6218 6219 ps.cpuAbiString = adjustedAbi; 6220 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6221 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 6222 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6223 6224 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6225 ps.cpuAbiString = null; 6226 ps.pkg.applicationInfo.cpuAbi = null; 6227 return false; 6228 } else { 6229 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6230 } 6231 } 6232 } 6233 } 6234 } 6235 6236 return true; 6237 } 6238 6239 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6240 synchronized (mPackages) { 6241 mResolverReplaced = true; 6242 // Set up information for custom user intent resolution activity. 6243 mResolveActivity.applicationInfo = pkg.applicationInfo; 6244 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6245 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6246 mResolveActivity.processName = null; 6247 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6248 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6249 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6250 mResolveActivity.theme = 0; 6251 mResolveActivity.exported = true; 6252 mResolveActivity.enabled = true; 6253 mResolveInfo.activityInfo = mResolveActivity; 6254 mResolveInfo.priority = 0; 6255 mResolveInfo.preferredOrder = 0; 6256 mResolveInfo.match = 0; 6257 mResolveComponentName = mCustomResolverComponentName; 6258 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6259 mResolveComponentName); 6260 } 6261 } 6262 6263 private String calculateApkRoot(final String codePathString) { 6264 final File codePath = new File(codePathString); 6265 final File codeRoot; 6266 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6267 codeRoot = Environment.getRootDirectory(); 6268 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6269 codeRoot = Environment.getOemDirectory(); 6270 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6271 codeRoot = Environment.getVendorDirectory(); 6272 } else { 6273 // Unrecognized code path; take its top real segment as the apk root: 6274 // e.g. /something/app/blah.apk => /something 6275 try { 6276 File f = codePath.getCanonicalFile(); 6277 File parent = f.getParentFile(); // non-null because codePath is a file 6278 File tmp; 6279 while ((tmp = parent.getParentFile()) != null) { 6280 f = parent; 6281 parent = tmp; 6282 } 6283 codeRoot = f; 6284 Slog.w(TAG, "Unrecognized code path " 6285 + codePath + " - using " + codeRoot); 6286 } catch (IOException e) { 6287 // Can't canonicalize the lib path -- shenanigans? 6288 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6289 return Environment.getRootDirectory().getPath(); 6290 } 6291 } 6292 return codeRoot.getPath(); 6293 } 6294 6295 // This is the initial scan-time determination of how to handle a given 6296 // package for purposes of native library location. 6297 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6298 PackageSetting pkgSetting) { 6299 // "bundled" here means system-installed with no overriding update 6300 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6301 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6302 final File libDir; 6303 if (bundledApk) { 6304 // If "/system/lib64/apkname" exists, assume that is the per-package 6305 // native library directory to use; otherwise use "/system/lib/apkname". 6306 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6307 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6308 File packLib64 = new File(lib64, apkName); 6309 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6310 } else { 6311 libDir = mAppLibInstallDir; 6312 } 6313 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6314 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6315 // pkgSetting might be null during rescan following uninstall of updates 6316 // to a bundled app, so accommodate that possibility. The settings in 6317 // that case will be established later from the parsed package. 6318 if (pkgSetting != null) { 6319 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6320 } 6321 } 6322 6323 // Deduces the required ABI of an upgraded system app. 6324 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6325 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6326 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6327 6328 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6329 // or similar. 6330 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6331 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6332 6333 // Assume that the bundled native libraries always correspond to the 6334 // most preferred 32 or 64 bit ABI. 6335 if (lib64.exists()) { 6336 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6337 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6338 } else if (lib.exists()) { 6339 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6340 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6341 } else { 6342 // This is the case where the app has no native code. 6343 pkg.applicationInfo.cpuAbi = null; 6344 pkgSetting.cpuAbiString = null; 6345 } 6346 } 6347 6348 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 6349 final File nativeLibraryDir, String[] abiList) throws IOException { 6350 if (!nativeLibraryDir.isDirectory()) { 6351 nativeLibraryDir.delete(); 6352 6353 if (!nativeLibraryDir.mkdir()) { 6354 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6355 } 6356 6357 try { 6358 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6359 } catch (ErrnoException e) { 6360 throw new IOException("Cannot chmod native library directory " 6361 + nativeLibraryDir.getPath(), e); 6362 } 6363 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6364 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6365 } 6366 6367 /* 6368 * If this is an internal application or our nativeLibraryPath points to 6369 * the app-lib directory, unpack the libraries if necessary. 6370 */ 6371 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6372 if (abi >= 0) { 6373 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6374 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6375 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6376 return copyRet; 6377 } 6378 } 6379 6380 return abi; 6381 } 6382 6383 private void killApplication(String pkgName, int appId, String reason) { 6384 // Request the ActivityManager to kill the process(only for existing packages) 6385 // so that we do not end up in a confused state while the user is still using the older 6386 // version of the application while the new one gets installed. 6387 IActivityManager am = ActivityManagerNative.getDefault(); 6388 if (am != null) { 6389 try { 6390 am.killApplicationWithAppId(pkgName, appId, reason); 6391 } catch (RemoteException e) { 6392 } 6393 } 6394 } 6395 6396 void removePackageLI(PackageSetting ps, boolean chatty) { 6397 if (DEBUG_INSTALL) { 6398 if (chatty) 6399 Log.d(TAG, "Removing package " + ps.name); 6400 } 6401 6402 // writer 6403 synchronized (mPackages) { 6404 mPackages.remove(ps.name); 6405 if (ps.codePathString != null) { 6406 mAppDirs.remove(ps.codePathString); 6407 } 6408 6409 final PackageParser.Package pkg = ps.pkg; 6410 if (pkg != null) { 6411 cleanPackageDataStructuresLILPw(pkg, chatty); 6412 } 6413 } 6414 } 6415 6416 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6417 if (DEBUG_INSTALL) { 6418 if (chatty) 6419 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6420 } 6421 6422 // writer 6423 synchronized (mPackages) { 6424 mPackages.remove(pkg.applicationInfo.packageName); 6425 if (pkg.codePath != null) { 6426 mAppDirs.remove(pkg.codePath); 6427 } 6428 cleanPackageDataStructuresLILPw(pkg, chatty); 6429 } 6430 } 6431 6432 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6433 int N = pkg.providers.size(); 6434 StringBuilder r = null; 6435 int i; 6436 for (i=0; i<N; i++) { 6437 PackageParser.Provider p = pkg.providers.get(i); 6438 mProviders.removeProvider(p); 6439 if (p.info.authority == null) { 6440 6441 /* There was another ContentProvider with this authority when 6442 * this app was installed so this authority is null, 6443 * Ignore it as we don't have to unregister the provider. 6444 */ 6445 continue; 6446 } 6447 String names[] = p.info.authority.split(";"); 6448 for (int j = 0; j < names.length; j++) { 6449 if (mProvidersByAuthority.get(names[j]) == p) { 6450 mProvidersByAuthority.remove(names[j]); 6451 if (DEBUG_REMOVE) { 6452 if (chatty) 6453 Log.d(TAG, "Unregistered content provider: " + names[j] 6454 + ", className = " + p.info.name + ", isSyncable = " 6455 + p.info.isSyncable); 6456 } 6457 } 6458 } 6459 if (DEBUG_REMOVE && chatty) { 6460 if (r == null) { 6461 r = new StringBuilder(256); 6462 } else { 6463 r.append(' '); 6464 } 6465 r.append(p.info.name); 6466 } 6467 } 6468 if (r != null) { 6469 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6470 } 6471 6472 N = pkg.services.size(); 6473 r = null; 6474 for (i=0; i<N; i++) { 6475 PackageParser.Service s = pkg.services.get(i); 6476 mServices.removeService(s); 6477 if (chatty) { 6478 if (r == null) { 6479 r = new StringBuilder(256); 6480 } else { 6481 r.append(' '); 6482 } 6483 r.append(s.info.name); 6484 } 6485 } 6486 if (r != null) { 6487 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6488 } 6489 6490 N = pkg.receivers.size(); 6491 r = null; 6492 for (i=0; i<N; i++) { 6493 PackageParser.Activity a = pkg.receivers.get(i); 6494 mReceivers.removeActivity(a, "receiver"); 6495 if (DEBUG_REMOVE && chatty) { 6496 if (r == null) { 6497 r = new StringBuilder(256); 6498 } else { 6499 r.append(' '); 6500 } 6501 r.append(a.info.name); 6502 } 6503 } 6504 if (r != null) { 6505 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6506 } 6507 6508 N = pkg.activities.size(); 6509 r = null; 6510 for (i=0; i<N; i++) { 6511 PackageParser.Activity a = pkg.activities.get(i); 6512 mActivities.removeActivity(a, "activity"); 6513 if (DEBUG_REMOVE && chatty) { 6514 if (r == null) { 6515 r = new StringBuilder(256); 6516 } else { 6517 r.append(' '); 6518 } 6519 r.append(a.info.name); 6520 } 6521 } 6522 if (r != null) { 6523 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6524 } 6525 6526 N = pkg.permissions.size(); 6527 r = null; 6528 for (i=0; i<N; i++) { 6529 PackageParser.Permission p = pkg.permissions.get(i); 6530 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6531 if (bp == null) { 6532 bp = mSettings.mPermissionTrees.get(p.info.name); 6533 } 6534 if (bp != null && bp.perm == p) { 6535 bp.perm = null; 6536 if (DEBUG_REMOVE && chatty) { 6537 if (r == null) { 6538 r = new StringBuilder(256); 6539 } else { 6540 r.append(' '); 6541 } 6542 r.append(p.info.name); 6543 } 6544 } 6545 } 6546 if (r != null) { 6547 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6548 } 6549 6550 N = pkg.instrumentation.size(); 6551 r = null; 6552 for (i=0; i<N; i++) { 6553 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6554 mInstrumentation.remove(a.getComponentName()); 6555 if (DEBUG_REMOVE && chatty) { 6556 if (r == null) { 6557 r = new StringBuilder(256); 6558 } else { 6559 r.append(' '); 6560 } 6561 r.append(a.info.name); 6562 } 6563 } 6564 if (r != null) { 6565 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6566 } 6567 6568 r = null; 6569 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6570 // Only system apps can hold shared libraries. 6571 if (pkg.libraryNames != null) { 6572 for (i=0; i<pkg.libraryNames.size(); i++) { 6573 String name = pkg.libraryNames.get(i); 6574 SharedLibraryEntry cur = mSharedLibraries.get(name); 6575 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6576 mSharedLibraries.remove(name); 6577 if (DEBUG_REMOVE && chatty) { 6578 if (r == null) { 6579 r = new StringBuilder(256); 6580 } else { 6581 r.append(' '); 6582 } 6583 r.append(name); 6584 } 6585 } 6586 } 6587 } 6588 } 6589 if (r != null) { 6590 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6591 } 6592 } 6593 6594 private static final boolean isPackageFilename(String name) { 6595 return name != null && name.endsWith(".apk"); 6596 } 6597 6598 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6599 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6600 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6601 return true; 6602 } 6603 } 6604 return false; 6605 } 6606 6607 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6608 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6609 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6610 6611 private void updatePermissionsLPw(String changingPkg, 6612 PackageParser.Package pkgInfo, int flags) { 6613 // Make sure there are no dangling permission trees. 6614 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6615 while (it.hasNext()) { 6616 final BasePermission bp = it.next(); 6617 if (bp.packageSetting == null) { 6618 // We may not yet have parsed the package, so just see if 6619 // we still know about its settings. 6620 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6621 } 6622 if (bp.packageSetting == null) { 6623 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6624 + " from package " + bp.sourcePackage); 6625 it.remove(); 6626 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6627 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6628 Slog.i(TAG, "Removing old permission tree: " + bp.name 6629 + " from package " + bp.sourcePackage); 6630 flags |= UPDATE_PERMISSIONS_ALL; 6631 it.remove(); 6632 } 6633 } 6634 } 6635 6636 // Make sure all dynamic permissions have been assigned to a package, 6637 // and make sure there are no dangling permissions. 6638 it = mSettings.mPermissions.values().iterator(); 6639 while (it.hasNext()) { 6640 final BasePermission bp = it.next(); 6641 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6642 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6643 + bp.name + " pkg=" + bp.sourcePackage 6644 + " info=" + bp.pendingInfo); 6645 if (bp.packageSetting == null && bp.pendingInfo != null) { 6646 final BasePermission tree = findPermissionTreeLP(bp.name); 6647 if (tree != null && tree.perm != null) { 6648 bp.packageSetting = tree.packageSetting; 6649 bp.perm = new PackageParser.Permission(tree.perm.owner, 6650 new PermissionInfo(bp.pendingInfo)); 6651 bp.perm.info.packageName = tree.perm.info.packageName; 6652 bp.perm.info.name = bp.name; 6653 bp.uid = tree.uid; 6654 } 6655 } 6656 } 6657 if (bp.packageSetting == null) { 6658 // We may not yet have parsed the package, so just see if 6659 // we still know about its settings. 6660 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6661 } 6662 if (bp.packageSetting == null) { 6663 Slog.w(TAG, "Removing dangling permission: " + bp.name 6664 + " from package " + bp.sourcePackage); 6665 it.remove(); 6666 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6667 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6668 Slog.i(TAG, "Removing old permission: " + bp.name 6669 + " from package " + bp.sourcePackage); 6670 flags |= UPDATE_PERMISSIONS_ALL; 6671 it.remove(); 6672 } 6673 } 6674 } 6675 6676 // Now update the permissions for all packages, in particular 6677 // replace the granted permissions of the system packages. 6678 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6679 for (PackageParser.Package pkg : mPackages.values()) { 6680 if (pkg != pkgInfo) { 6681 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6682 } 6683 } 6684 } 6685 6686 if (pkgInfo != null) { 6687 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6688 } 6689 } 6690 6691 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6692 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6693 if (ps == null) { 6694 return; 6695 } 6696 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6697 HashSet<String> origPermissions = gp.grantedPermissions; 6698 boolean changedPermission = false; 6699 6700 if (replace) { 6701 ps.permissionsFixed = false; 6702 if (gp == ps) { 6703 origPermissions = new HashSet<String>(gp.grantedPermissions); 6704 gp.grantedPermissions.clear(); 6705 gp.gids = mGlobalGids; 6706 } 6707 } 6708 6709 if (gp.gids == null) { 6710 gp.gids = mGlobalGids; 6711 } 6712 6713 final int N = pkg.requestedPermissions.size(); 6714 for (int i=0; i<N; i++) { 6715 final String name = pkg.requestedPermissions.get(i); 6716 final boolean required = pkg.requestedPermissionsRequired.get(i); 6717 final BasePermission bp = mSettings.mPermissions.get(name); 6718 if (DEBUG_INSTALL) { 6719 if (gp != ps) { 6720 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6721 } 6722 } 6723 6724 if (bp == null || bp.packageSetting == null) { 6725 Slog.w(TAG, "Unknown permission " + name 6726 + " in package " + pkg.packageName); 6727 continue; 6728 } 6729 6730 final String perm = bp.name; 6731 boolean allowed; 6732 boolean allowedSig = false; 6733 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6734 if (level == PermissionInfo.PROTECTION_NORMAL 6735 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6736 // We grant a normal or dangerous permission if any of the following 6737 // are true: 6738 // 1) The permission is required 6739 // 2) The permission is optional, but was granted in the past 6740 // 3) The permission is optional, but was requested by an 6741 // app in /system (not /data) 6742 // 6743 // Otherwise, reject the permission. 6744 allowed = (required || origPermissions.contains(perm) 6745 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6746 } else if (bp.packageSetting == null) { 6747 // This permission is invalid; skip it. 6748 allowed = false; 6749 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6750 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6751 if (allowed) { 6752 allowedSig = true; 6753 } 6754 } else { 6755 allowed = false; 6756 } 6757 if (DEBUG_INSTALL) { 6758 if (gp != ps) { 6759 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6760 } 6761 } 6762 if (allowed) { 6763 if (!isSystemApp(ps) && ps.permissionsFixed) { 6764 // If this is an existing, non-system package, then 6765 // we can't add any new permissions to it. 6766 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6767 // Except... if this is a permission that was added 6768 // to the platform (note: need to only do this when 6769 // updating the platform). 6770 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6771 } 6772 } 6773 if (allowed) { 6774 if (!gp.grantedPermissions.contains(perm)) { 6775 changedPermission = true; 6776 gp.grantedPermissions.add(perm); 6777 gp.gids = appendInts(gp.gids, bp.gids); 6778 } else if (!ps.haveGids) { 6779 gp.gids = appendInts(gp.gids, bp.gids); 6780 } 6781 } else { 6782 Slog.w(TAG, "Not granting permission " + perm 6783 + " to package " + pkg.packageName 6784 + " because it was previously installed without"); 6785 } 6786 } else { 6787 if (gp.grantedPermissions.remove(perm)) { 6788 changedPermission = true; 6789 gp.gids = removeInts(gp.gids, bp.gids); 6790 Slog.i(TAG, "Un-granting permission " + perm 6791 + " from package " + pkg.packageName 6792 + " (protectionLevel=" + bp.protectionLevel 6793 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6794 + ")"); 6795 } else { 6796 Slog.w(TAG, "Not granting permission " + perm 6797 + " to package " + pkg.packageName 6798 + " (protectionLevel=" + bp.protectionLevel 6799 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6800 + ")"); 6801 } 6802 } 6803 } 6804 6805 if ((changedPermission || replace) && !ps.permissionsFixed && 6806 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6807 // This is the first that we have heard about this package, so the 6808 // permissions we have now selected are fixed until explicitly 6809 // changed. 6810 ps.permissionsFixed = true; 6811 } 6812 ps.haveGids = true; 6813 } 6814 6815 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6816 boolean allowed = false; 6817 final int NP = PackageParser.NEW_PERMISSIONS.length; 6818 for (int ip=0; ip<NP; ip++) { 6819 final PackageParser.NewPermissionInfo npi 6820 = PackageParser.NEW_PERMISSIONS[ip]; 6821 if (npi.name.equals(perm) 6822 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6823 allowed = true; 6824 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6825 + pkg.packageName); 6826 break; 6827 } 6828 } 6829 return allowed; 6830 } 6831 6832 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6833 BasePermission bp, HashSet<String> origPermissions) { 6834 boolean allowed; 6835 allowed = (compareSignatures( 6836 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6837 == PackageManager.SIGNATURE_MATCH) 6838 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6839 == PackageManager.SIGNATURE_MATCH); 6840 if (!allowed && (bp.protectionLevel 6841 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6842 if (isSystemApp(pkg)) { 6843 // For updated system applications, a system permission 6844 // is granted only if it had been defined by the original application. 6845 if (isUpdatedSystemApp(pkg)) { 6846 final PackageSetting sysPs = mSettings 6847 .getDisabledSystemPkgLPr(pkg.packageName); 6848 final GrantedPermissions origGp = sysPs.sharedUser != null 6849 ? sysPs.sharedUser : sysPs; 6850 6851 if (origGp.grantedPermissions.contains(perm)) { 6852 // If the original was granted this permission, we take 6853 // that grant decision as read and propagate it to the 6854 // update. 6855 allowed = true; 6856 } else { 6857 // The system apk may have been updated with an older 6858 // version of the one on the data partition, but which 6859 // granted a new system permission that it didn't have 6860 // before. In this case we do want to allow the app to 6861 // now get the new permission if the ancestral apk is 6862 // privileged to get it. 6863 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6864 for (int j=0; 6865 j<sysPs.pkg.requestedPermissions.size(); j++) { 6866 if (perm.equals( 6867 sysPs.pkg.requestedPermissions.get(j))) { 6868 allowed = true; 6869 break; 6870 } 6871 } 6872 } 6873 } 6874 } else { 6875 allowed = isPrivilegedApp(pkg); 6876 } 6877 } 6878 } 6879 if (!allowed && (bp.protectionLevel 6880 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6881 // For development permissions, a development permission 6882 // is granted only if it was already granted. 6883 allowed = origPermissions.contains(perm); 6884 } 6885 return allowed; 6886 } 6887 6888 final class ActivityIntentResolver 6889 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6890 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6891 boolean defaultOnly, int userId) { 6892 if (!sUserManager.exists(userId)) return null; 6893 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6894 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6895 } 6896 6897 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6898 int userId) { 6899 if (!sUserManager.exists(userId)) return null; 6900 mFlags = flags; 6901 return super.queryIntent(intent, resolvedType, 6902 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6903 } 6904 6905 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6906 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6907 if (!sUserManager.exists(userId)) return null; 6908 if (packageActivities == null) { 6909 return null; 6910 } 6911 mFlags = flags; 6912 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6913 final int N = packageActivities.size(); 6914 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6915 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6916 6917 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6918 for (int i = 0; i < N; ++i) { 6919 intentFilters = packageActivities.get(i).intents; 6920 if (intentFilters != null && intentFilters.size() > 0) { 6921 PackageParser.ActivityIntentInfo[] array = 6922 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6923 intentFilters.toArray(array); 6924 listCut.add(array); 6925 } 6926 } 6927 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6928 } 6929 6930 public final void addActivity(PackageParser.Activity a, String type) { 6931 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6932 mActivities.put(a.getComponentName(), a); 6933 if (DEBUG_SHOW_INFO) 6934 Log.v( 6935 TAG, " " + type + " " + 6936 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6937 if (DEBUG_SHOW_INFO) 6938 Log.v(TAG, " Class=" + a.info.name); 6939 final int NI = a.intents.size(); 6940 for (int j=0; j<NI; j++) { 6941 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6942 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6943 intent.setPriority(0); 6944 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6945 + a.className + " with priority > 0, forcing to 0"); 6946 } 6947 if (DEBUG_SHOW_INFO) { 6948 Log.v(TAG, " IntentFilter:"); 6949 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6950 } 6951 if (!intent.debugCheck()) { 6952 Log.w(TAG, "==> For Activity " + a.info.name); 6953 } 6954 addFilter(intent); 6955 } 6956 } 6957 6958 public final void removeActivity(PackageParser.Activity a, String type) { 6959 mActivities.remove(a.getComponentName()); 6960 if (DEBUG_SHOW_INFO) { 6961 Log.v(TAG, " " + type + " " 6962 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6963 : a.info.name) + ":"); 6964 Log.v(TAG, " Class=" + a.info.name); 6965 } 6966 final int NI = a.intents.size(); 6967 for (int j=0; j<NI; j++) { 6968 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6969 if (DEBUG_SHOW_INFO) { 6970 Log.v(TAG, " IntentFilter:"); 6971 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6972 } 6973 removeFilter(intent); 6974 } 6975 } 6976 6977 @Override 6978 protected boolean allowFilterResult( 6979 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6980 ActivityInfo filterAi = filter.activity.info; 6981 for (int i=dest.size()-1; i>=0; i--) { 6982 ActivityInfo destAi = dest.get(i).activityInfo; 6983 if (destAi.name == filterAi.name 6984 && destAi.packageName == filterAi.packageName) { 6985 return false; 6986 } 6987 } 6988 return true; 6989 } 6990 6991 @Override 6992 protected ActivityIntentInfo[] newArray(int size) { 6993 return new ActivityIntentInfo[size]; 6994 } 6995 6996 @Override 6997 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6998 if (!sUserManager.exists(userId)) return true; 6999 PackageParser.Package p = filter.activity.owner; 7000 if (p != null) { 7001 PackageSetting ps = (PackageSetting)p.mExtras; 7002 if (ps != null) { 7003 // System apps are never considered stopped for purposes of 7004 // filtering, because there may be no way for the user to 7005 // actually re-launch them. 7006 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7007 && ps.getStopped(userId); 7008 } 7009 } 7010 return false; 7011 } 7012 7013 @Override 7014 protected boolean isPackageForFilter(String packageName, 7015 PackageParser.ActivityIntentInfo info) { 7016 return packageName.equals(info.activity.owner.packageName); 7017 } 7018 7019 @Override 7020 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7021 int match, int userId) { 7022 if (!sUserManager.exists(userId)) return null; 7023 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7024 return null; 7025 } 7026 final PackageParser.Activity activity = info.activity; 7027 if (mSafeMode && (activity.info.applicationInfo.flags 7028 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7029 return null; 7030 } 7031 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7032 if (ps == null) { 7033 return null; 7034 } 7035 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7036 ps.readUserState(userId), userId); 7037 if (ai == null) { 7038 return null; 7039 } 7040 final ResolveInfo res = new ResolveInfo(); 7041 res.activityInfo = ai; 7042 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7043 res.filter = info; 7044 } 7045 res.priority = info.getPriority(); 7046 res.preferredOrder = activity.owner.mPreferredOrder; 7047 //System.out.println("Result: " + res.activityInfo.className + 7048 // " = " + res.priority); 7049 res.match = match; 7050 res.isDefault = info.hasDefault; 7051 res.labelRes = info.labelRes; 7052 res.nonLocalizedLabel = info.nonLocalizedLabel; 7053 res.icon = info.icon; 7054 res.system = isSystemApp(res.activityInfo.applicationInfo); 7055 return res; 7056 } 7057 7058 @Override 7059 protected void sortResults(List<ResolveInfo> results) { 7060 Collections.sort(results, mResolvePrioritySorter); 7061 } 7062 7063 @Override 7064 protected void dumpFilter(PrintWriter out, String prefix, 7065 PackageParser.ActivityIntentInfo filter) { 7066 out.print(prefix); out.print( 7067 Integer.toHexString(System.identityHashCode(filter.activity))); 7068 out.print(' '); 7069 filter.activity.printComponentShortName(out); 7070 out.print(" filter "); 7071 out.println(Integer.toHexString(System.identityHashCode(filter))); 7072 } 7073 7074// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7075// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7076// final List<ResolveInfo> retList = Lists.newArrayList(); 7077// while (i.hasNext()) { 7078// final ResolveInfo resolveInfo = i.next(); 7079// if (isEnabledLP(resolveInfo.activityInfo)) { 7080// retList.add(resolveInfo); 7081// } 7082// } 7083// return retList; 7084// } 7085 7086 // Keys are String (activity class name), values are Activity. 7087 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7088 = new HashMap<ComponentName, PackageParser.Activity>(); 7089 private int mFlags; 7090 } 7091 7092 private final class ServiceIntentResolver 7093 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7094 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7095 boolean defaultOnly, int userId) { 7096 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7097 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7098 } 7099 7100 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7101 int userId) { 7102 if (!sUserManager.exists(userId)) return null; 7103 mFlags = flags; 7104 return super.queryIntent(intent, resolvedType, 7105 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7106 } 7107 7108 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7109 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7110 if (!sUserManager.exists(userId)) return null; 7111 if (packageServices == null) { 7112 return null; 7113 } 7114 mFlags = flags; 7115 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7116 final int N = packageServices.size(); 7117 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7118 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7119 7120 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7121 for (int i = 0; i < N; ++i) { 7122 intentFilters = packageServices.get(i).intents; 7123 if (intentFilters != null && intentFilters.size() > 0) { 7124 PackageParser.ServiceIntentInfo[] array = 7125 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7126 intentFilters.toArray(array); 7127 listCut.add(array); 7128 } 7129 } 7130 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7131 } 7132 7133 public final void addService(PackageParser.Service s) { 7134 mServices.put(s.getComponentName(), s); 7135 if (DEBUG_SHOW_INFO) { 7136 Log.v(TAG, " " 7137 + (s.info.nonLocalizedLabel != null 7138 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7139 Log.v(TAG, " Class=" + s.info.name); 7140 } 7141 final int NI = s.intents.size(); 7142 int j; 7143 for (j=0; j<NI; j++) { 7144 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7145 if (DEBUG_SHOW_INFO) { 7146 Log.v(TAG, " IntentFilter:"); 7147 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7148 } 7149 if (!intent.debugCheck()) { 7150 Log.w(TAG, "==> For Service " + s.info.name); 7151 } 7152 addFilter(intent); 7153 } 7154 } 7155 7156 public final void removeService(PackageParser.Service s) { 7157 mServices.remove(s.getComponentName()); 7158 if (DEBUG_SHOW_INFO) { 7159 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7160 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7161 Log.v(TAG, " Class=" + s.info.name); 7162 } 7163 final int NI = s.intents.size(); 7164 int j; 7165 for (j=0; j<NI; j++) { 7166 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7167 if (DEBUG_SHOW_INFO) { 7168 Log.v(TAG, " IntentFilter:"); 7169 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7170 } 7171 removeFilter(intent); 7172 } 7173 } 7174 7175 @Override 7176 protected boolean allowFilterResult( 7177 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7178 ServiceInfo filterSi = filter.service.info; 7179 for (int i=dest.size()-1; i>=0; i--) { 7180 ServiceInfo destAi = dest.get(i).serviceInfo; 7181 if (destAi.name == filterSi.name 7182 && destAi.packageName == filterSi.packageName) { 7183 return false; 7184 } 7185 } 7186 return true; 7187 } 7188 7189 @Override 7190 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7191 return new PackageParser.ServiceIntentInfo[size]; 7192 } 7193 7194 @Override 7195 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7196 if (!sUserManager.exists(userId)) return true; 7197 PackageParser.Package p = filter.service.owner; 7198 if (p != null) { 7199 PackageSetting ps = (PackageSetting)p.mExtras; 7200 if (ps != null) { 7201 // System apps are never considered stopped for purposes of 7202 // filtering, because there may be no way for the user to 7203 // actually re-launch them. 7204 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7205 && ps.getStopped(userId); 7206 } 7207 } 7208 return false; 7209 } 7210 7211 @Override 7212 protected boolean isPackageForFilter(String packageName, 7213 PackageParser.ServiceIntentInfo info) { 7214 return packageName.equals(info.service.owner.packageName); 7215 } 7216 7217 @Override 7218 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7219 int match, int userId) { 7220 if (!sUserManager.exists(userId)) return null; 7221 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7222 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7223 return null; 7224 } 7225 final PackageParser.Service service = info.service; 7226 if (mSafeMode && (service.info.applicationInfo.flags 7227 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7228 return null; 7229 } 7230 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7231 if (ps == null) { 7232 return null; 7233 } 7234 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7235 ps.readUserState(userId), userId); 7236 if (si == null) { 7237 return null; 7238 } 7239 final ResolveInfo res = new ResolveInfo(); 7240 res.serviceInfo = si; 7241 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7242 res.filter = filter; 7243 } 7244 res.priority = info.getPriority(); 7245 res.preferredOrder = service.owner.mPreferredOrder; 7246 //System.out.println("Result: " + res.activityInfo.className + 7247 // " = " + res.priority); 7248 res.match = match; 7249 res.isDefault = info.hasDefault; 7250 res.labelRes = info.labelRes; 7251 res.nonLocalizedLabel = info.nonLocalizedLabel; 7252 res.icon = info.icon; 7253 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7254 return res; 7255 } 7256 7257 @Override 7258 protected void sortResults(List<ResolveInfo> results) { 7259 Collections.sort(results, mResolvePrioritySorter); 7260 } 7261 7262 @Override 7263 protected void dumpFilter(PrintWriter out, String prefix, 7264 PackageParser.ServiceIntentInfo filter) { 7265 out.print(prefix); out.print( 7266 Integer.toHexString(System.identityHashCode(filter.service))); 7267 out.print(' '); 7268 filter.service.printComponentShortName(out); 7269 out.print(" filter "); 7270 out.println(Integer.toHexString(System.identityHashCode(filter))); 7271 } 7272 7273// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7274// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7275// final List<ResolveInfo> retList = Lists.newArrayList(); 7276// while (i.hasNext()) { 7277// final ResolveInfo resolveInfo = (ResolveInfo) i; 7278// if (isEnabledLP(resolveInfo.serviceInfo)) { 7279// retList.add(resolveInfo); 7280// } 7281// } 7282// return retList; 7283// } 7284 7285 // Keys are String (activity class name), values are Activity. 7286 private final HashMap<ComponentName, PackageParser.Service> mServices 7287 = new HashMap<ComponentName, PackageParser.Service>(); 7288 private int mFlags; 7289 }; 7290 7291 private final class ProviderIntentResolver 7292 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7293 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7294 boolean defaultOnly, int userId) { 7295 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7296 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7297 } 7298 7299 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7300 int userId) { 7301 if (!sUserManager.exists(userId)) 7302 return null; 7303 mFlags = flags; 7304 return super.queryIntent(intent, resolvedType, 7305 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7306 } 7307 7308 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7309 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7310 if (!sUserManager.exists(userId)) 7311 return null; 7312 if (packageProviders == null) { 7313 return null; 7314 } 7315 mFlags = flags; 7316 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7317 final int N = packageProviders.size(); 7318 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7319 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7320 7321 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7322 for (int i = 0; i < N; ++i) { 7323 intentFilters = packageProviders.get(i).intents; 7324 if (intentFilters != null && intentFilters.size() > 0) { 7325 PackageParser.ProviderIntentInfo[] array = 7326 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7327 intentFilters.toArray(array); 7328 listCut.add(array); 7329 } 7330 } 7331 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7332 } 7333 7334 public final void addProvider(PackageParser.Provider p) { 7335 if (mProviders.containsKey(p.getComponentName())) { 7336 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7337 return; 7338 } 7339 7340 mProviders.put(p.getComponentName(), p); 7341 if (DEBUG_SHOW_INFO) { 7342 Log.v(TAG, " " 7343 + (p.info.nonLocalizedLabel != null 7344 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7345 Log.v(TAG, " Class=" + p.info.name); 7346 } 7347 final int NI = p.intents.size(); 7348 int j; 7349 for (j = 0; j < NI; j++) { 7350 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7351 if (DEBUG_SHOW_INFO) { 7352 Log.v(TAG, " IntentFilter:"); 7353 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7354 } 7355 if (!intent.debugCheck()) { 7356 Log.w(TAG, "==> For Provider " + p.info.name); 7357 } 7358 addFilter(intent); 7359 } 7360 } 7361 7362 public final void removeProvider(PackageParser.Provider p) { 7363 mProviders.remove(p.getComponentName()); 7364 if (DEBUG_SHOW_INFO) { 7365 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7366 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7367 Log.v(TAG, " Class=" + p.info.name); 7368 } 7369 final int NI = p.intents.size(); 7370 int j; 7371 for (j = 0; j < NI; j++) { 7372 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7373 if (DEBUG_SHOW_INFO) { 7374 Log.v(TAG, " IntentFilter:"); 7375 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7376 } 7377 removeFilter(intent); 7378 } 7379 } 7380 7381 @Override 7382 protected boolean allowFilterResult( 7383 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7384 ProviderInfo filterPi = filter.provider.info; 7385 for (int i = dest.size() - 1; i >= 0; i--) { 7386 ProviderInfo destPi = dest.get(i).providerInfo; 7387 if (destPi.name == filterPi.name 7388 && destPi.packageName == filterPi.packageName) { 7389 return false; 7390 } 7391 } 7392 return true; 7393 } 7394 7395 @Override 7396 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7397 return new PackageParser.ProviderIntentInfo[size]; 7398 } 7399 7400 @Override 7401 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7402 if (!sUserManager.exists(userId)) 7403 return true; 7404 PackageParser.Package p = filter.provider.owner; 7405 if (p != null) { 7406 PackageSetting ps = (PackageSetting) p.mExtras; 7407 if (ps != null) { 7408 // System apps are never considered stopped for purposes of 7409 // filtering, because there may be no way for the user to 7410 // actually re-launch them. 7411 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7412 && ps.getStopped(userId); 7413 } 7414 } 7415 return false; 7416 } 7417 7418 @Override 7419 protected boolean isPackageForFilter(String packageName, 7420 PackageParser.ProviderIntentInfo info) { 7421 return packageName.equals(info.provider.owner.packageName); 7422 } 7423 7424 @Override 7425 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7426 int match, int userId) { 7427 if (!sUserManager.exists(userId)) 7428 return null; 7429 final PackageParser.ProviderIntentInfo info = filter; 7430 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7431 return null; 7432 } 7433 final PackageParser.Provider provider = info.provider; 7434 if (mSafeMode && (provider.info.applicationInfo.flags 7435 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7436 return null; 7437 } 7438 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7439 if (ps == null) { 7440 return null; 7441 } 7442 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7443 ps.readUserState(userId), userId); 7444 if (pi == null) { 7445 return null; 7446 } 7447 final ResolveInfo res = new ResolveInfo(); 7448 res.providerInfo = pi; 7449 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7450 res.filter = filter; 7451 } 7452 res.priority = info.getPriority(); 7453 res.preferredOrder = provider.owner.mPreferredOrder; 7454 res.match = match; 7455 res.isDefault = info.hasDefault; 7456 res.labelRes = info.labelRes; 7457 res.nonLocalizedLabel = info.nonLocalizedLabel; 7458 res.icon = info.icon; 7459 res.system = isSystemApp(res.providerInfo.applicationInfo); 7460 return res; 7461 } 7462 7463 @Override 7464 protected void sortResults(List<ResolveInfo> results) { 7465 Collections.sort(results, mResolvePrioritySorter); 7466 } 7467 7468 @Override 7469 protected void dumpFilter(PrintWriter out, String prefix, 7470 PackageParser.ProviderIntentInfo filter) { 7471 out.print(prefix); 7472 out.print( 7473 Integer.toHexString(System.identityHashCode(filter.provider))); 7474 out.print(' '); 7475 filter.provider.printComponentShortName(out); 7476 out.print(" filter "); 7477 out.println(Integer.toHexString(System.identityHashCode(filter))); 7478 } 7479 7480 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7481 = new HashMap<ComponentName, PackageParser.Provider>(); 7482 private int mFlags; 7483 }; 7484 7485 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7486 new Comparator<ResolveInfo>() { 7487 public int compare(ResolveInfo r1, ResolveInfo r2) { 7488 int v1 = r1.priority; 7489 int v2 = r2.priority; 7490 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7491 if (v1 != v2) { 7492 return (v1 > v2) ? -1 : 1; 7493 } 7494 v1 = r1.preferredOrder; 7495 v2 = r2.preferredOrder; 7496 if (v1 != v2) { 7497 return (v1 > v2) ? -1 : 1; 7498 } 7499 if (r1.isDefault != r2.isDefault) { 7500 return r1.isDefault ? -1 : 1; 7501 } 7502 v1 = r1.match; 7503 v2 = r2.match; 7504 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7505 if (v1 != v2) { 7506 return (v1 > v2) ? -1 : 1; 7507 } 7508 if (r1.system != r2.system) { 7509 return r1.system ? -1 : 1; 7510 } 7511 return 0; 7512 } 7513 }; 7514 7515 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7516 new Comparator<ProviderInfo>() { 7517 public int compare(ProviderInfo p1, ProviderInfo p2) { 7518 final int v1 = p1.initOrder; 7519 final int v2 = p2.initOrder; 7520 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7521 } 7522 }; 7523 7524 static final void sendPackageBroadcast(String action, String pkg, 7525 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7526 int[] userIds) { 7527 IActivityManager am = ActivityManagerNative.getDefault(); 7528 if (am != null) { 7529 try { 7530 if (userIds == null) { 7531 userIds = am.getRunningUserIds(); 7532 } 7533 for (int id : userIds) { 7534 final Intent intent = new Intent(action, 7535 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7536 if (extras != null) { 7537 intent.putExtras(extras); 7538 } 7539 if (targetPkg != null) { 7540 intent.setPackage(targetPkg); 7541 } 7542 // Modify the UID when posting to other users 7543 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7544 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7545 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7546 intent.putExtra(Intent.EXTRA_UID, uid); 7547 } 7548 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7549 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7550 if (DEBUG_BROADCASTS) { 7551 RuntimeException here = new RuntimeException("here"); 7552 here.fillInStackTrace(); 7553 Slog.d(TAG, "Sending to user " + id + ": " 7554 + intent.toShortString(false, true, false, false) 7555 + " " + intent.getExtras(), here); 7556 } 7557 am.broadcastIntent(null, intent, null, finishedReceiver, 7558 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7559 finishedReceiver != null, false, id); 7560 } 7561 } catch (RemoteException ex) { 7562 } 7563 } 7564 } 7565 7566 /** 7567 * Check if the external storage media is available. This is true if there 7568 * is a mounted external storage medium or if the external storage is 7569 * emulated. 7570 */ 7571 private boolean isExternalMediaAvailable() { 7572 return mMediaMounted || Environment.isExternalStorageEmulated(); 7573 } 7574 7575 @Override 7576 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7577 // writer 7578 synchronized (mPackages) { 7579 if (!isExternalMediaAvailable()) { 7580 // If the external storage is no longer mounted at this point, 7581 // the caller may not have been able to delete all of this 7582 // packages files and can not delete any more. Bail. 7583 return null; 7584 } 7585 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7586 if (lastPackage != null) { 7587 pkgs.remove(lastPackage); 7588 } 7589 if (pkgs.size() > 0) { 7590 return pkgs.get(0); 7591 } 7592 } 7593 return null; 7594 } 7595 7596 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7597 if (false) { 7598 RuntimeException here = new RuntimeException("here"); 7599 here.fillInStackTrace(); 7600 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7601 + " andCode=" + andCode, here); 7602 } 7603 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7604 userId, andCode ? 1 : 0, packageName)); 7605 } 7606 7607 void startCleaningPackages() { 7608 // reader 7609 synchronized (mPackages) { 7610 if (!isExternalMediaAvailable()) { 7611 return; 7612 } 7613 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7614 return; 7615 } 7616 } 7617 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7618 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7619 IActivityManager am = ActivityManagerNative.getDefault(); 7620 if (am != null) { 7621 try { 7622 am.startService(null, intent, null, UserHandle.USER_OWNER); 7623 } catch (RemoteException e) { 7624 } 7625 } 7626 } 7627 7628 private final class AppDirObserver extends FileObserver { 7629 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7630 super(path, mask); 7631 mRootDir = path; 7632 mIsRom = isrom; 7633 mIsPrivileged = isPrivileged; 7634 } 7635 7636 public void onEvent(int event, String path) { 7637 String removedPackage = null; 7638 int removedAppId = -1; 7639 int[] removedUsers = null; 7640 String addedPackage = null; 7641 int addedAppId = -1; 7642 int[] addedUsers = null; 7643 7644 // TODO post a message to the handler to obtain serial ordering 7645 synchronized (mInstallLock) { 7646 String fullPathStr = null; 7647 File fullPath = null; 7648 if (path != null) { 7649 fullPath = new File(mRootDir, path); 7650 fullPathStr = fullPath.getPath(); 7651 } 7652 7653 if (DEBUG_APP_DIR_OBSERVER) 7654 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7655 7656 if (!isPackageFilename(path)) { 7657 if (DEBUG_APP_DIR_OBSERVER) 7658 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7659 return; 7660 } 7661 7662 // Ignore packages that are being installed or 7663 // have just been installed. 7664 if (ignoreCodePath(fullPathStr)) { 7665 return; 7666 } 7667 PackageParser.Package p = null; 7668 PackageSetting ps = null; 7669 // reader 7670 synchronized (mPackages) { 7671 p = mAppDirs.get(fullPathStr); 7672 if (p != null) { 7673 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7674 if (ps != null) { 7675 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7676 } else { 7677 removedUsers = sUserManager.getUserIds(); 7678 } 7679 } 7680 addedUsers = sUserManager.getUserIds(); 7681 } 7682 if ((event&REMOVE_EVENTS) != 0) { 7683 if (ps != null) { 7684 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7685 removePackageLI(ps, true); 7686 removedPackage = ps.name; 7687 removedAppId = ps.appId; 7688 } 7689 } 7690 7691 if ((event&ADD_EVENTS) != 0) { 7692 if (p == null) { 7693 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7694 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7695 if (mIsRom) { 7696 flags |= PackageParser.PARSE_IS_SYSTEM 7697 | PackageParser.PARSE_IS_SYSTEM_DIR; 7698 if (mIsPrivileged) { 7699 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7700 } 7701 } 7702 p = scanPackageLI(fullPath, flags, 7703 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7704 System.currentTimeMillis(), UserHandle.ALL, null); 7705 if (p != null) { 7706 /* 7707 * TODO this seems dangerous as the package may have 7708 * changed since we last acquired the mPackages 7709 * lock. 7710 */ 7711 // writer 7712 synchronized (mPackages) { 7713 updatePermissionsLPw(p.packageName, p, 7714 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7715 } 7716 addedPackage = p.applicationInfo.packageName; 7717 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7718 } 7719 } 7720 } 7721 7722 // reader 7723 synchronized (mPackages) { 7724 mSettings.writeLPr(); 7725 } 7726 } 7727 7728 if (removedPackage != null) { 7729 Bundle extras = new Bundle(1); 7730 extras.putInt(Intent.EXTRA_UID, removedAppId); 7731 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7732 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7733 extras, null, null, removedUsers); 7734 } 7735 if (addedPackage != null) { 7736 Bundle extras = new Bundle(1); 7737 extras.putInt(Intent.EXTRA_UID, addedAppId); 7738 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7739 extras, null, null, addedUsers); 7740 } 7741 } 7742 7743 private final String mRootDir; 7744 private final boolean mIsRom; 7745 private final boolean mIsPrivileged; 7746 } 7747 7748 /* 7749 * The old-style observer methods all just trampoline to the newer signature with 7750 * expanded install observer API. The older API continues to work but does not 7751 * supply the additional details of the Observer2 API. 7752 */ 7753 7754 /* Called when a downloaded package installation has been confirmed by the user */ 7755 public void installPackage( 7756 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7757 installPackageEtc(packageURI, observer, null, flags, null); 7758 } 7759 7760 /* Called when a downloaded package installation has been confirmed by the user */ 7761 @Override 7762 public void installPackage( 7763 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7764 final String installerPackageName) { 7765 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7766 installerPackageName, null, null, null); 7767 } 7768 7769 @Override 7770 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7771 int flags, String installerPackageName, Uri verificationURI, 7772 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7773 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7774 VerificationParams.NO_UID, manifestDigest); 7775 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7776 installerPackageName, verificationParams, encryptionParams); 7777 } 7778 7779 @Override 7780 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7781 IPackageInstallObserver observer, int flags, String installerPackageName, 7782 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7783 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7784 installerPackageName, verificationParams, encryptionParams); 7785 } 7786 7787 /* 7788 * And here are the "live" versions that take both observer arguments 7789 */ 7790 public void installPackageEtc( 7791 final Uri packageURI, final IPackageInstallObserver observer, 7792 IPackageInstallObserver2 observer2, final int flags) { 7793 installPackageEtc(packageURI, observer, observer2, flags, null); 7794 } 7795 7796 public void installPackageEtc( 7797 final Uri packageURI, final IPackageInstallObserver observer, 7798 final IPackageInstallObserver2 observer2, final int flags, 7799 final String installerPackageName) { 7800 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7801 installerPackageName, null, null, null); 7802 } 7803 7804 @Override 7805 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7806 IPackageInstallObserver2 observer2, 7807 int flags, String installerPackageName, Uri verificationURI, 7808 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7809 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7810 VerificationParams.NO_UID, manifestDigest); 7811 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7812 installerPackageName, verificationParams, encryptionParams); 7813 } 7814 7815 /* 7816 * All of the installPackage...*() methods redirect to this one for the master implementation 7817 */ 7818 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7819 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7820 int flags, String installerPackageName, 7821 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7822 if (observer == null && observer2 == null) { 7823 throw new IllegalArgumentException("No install observer supplied"); 7824 } 7825 installPackageWithVerificationEncryptionAndAbiOverrideEtc(packageURI, observer, observer2, 7826 flags, installerPackageName, verificationParams, encryptionParams, null); 7827 } 7828 7829 @Override 7830 public void installPackageWithVerificationEncryptionAndAbiOverrideEtc(Uri packageURI, 7831 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7832 int flags, String installerPackageName, 7833 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7834 String packageAbiOverride) { 7835 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7836 null); 7837 7838 final int uid = Binder.getCallingUid(); 7839 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7840 try { 7841 if (observer != null) { 7842 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7843 } 7844 if (observer2 != null) { 7845 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7846 } 7847 } catch (RemoteException re) { 7848 } 7849 return; 7850 } 7851 7852 UserHandle user; 7853 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7854 user = UserHandle.ALL; 7855 } else { 7856 user = new UserHandle(UserHandle.getUserId(uid)); 7857 } 7858 7859 final int filteredFlags; 7860 7861 if (uid == Process.SHELL_UID || uid == 0) { 7862 if (DEBUG_INSTALL) { 7863 Slog.v(TAG, "Install from ADB"); 7864 } 7865 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7866 } else { 7867 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7868 } 7869 7870 verificationParams.setInstallerUid(uid); 7871 7872 final Message msg = mHandler.obtainMessage(INIT_COPY); 7873 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7874 installerPackageName, verificationParams, encryptionParams, user, 7875 packageAbiOverride); 7876 mHandler.sendMessage(msg); 7877 } 7878 7879 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7880 Bundle extras = new Bundle(1); 7881 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7882 7883 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7884 packageName, extras, null, null, new int[] {userId}); 7885 try { 7886 IActivityManager am = ActivityManagerNative.getDefault(); 7887 final boolean isSystem = 7888 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7889 if (isSystem && am.isUserRunning(userId, false)) { 7890 // The just-installed/enabled app is bundled on the system, so presumed 7891 // to be able to run automatically without needing an explicit launch. 7892 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7893 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7894 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7895 .setPackage(packageName); 7896 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7897 android.app.AppOpsManager.OP_NONE, false, false, userId); 7898 } 7899 } catch (RemoteException e) { 7900 // shouldn't happen 7901 Slog.w(TAG, "Unable to bootstrap installed package", e); 7902 } 7903 } 7904 7905 @Override 7906 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7907 int userId) { 7908 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7909 PackageSetting pkgSetting; 7910 final int uid = Binder.getCallingUid(); 7911 if (UserHandle.getUserId(uid) != userId) { 7912 mContext.enforceCallingOrSelfPermission( 7913 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7914 "setApplicationBlockedSetting for user " + userId); 7915 } 7916 7917 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7918 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7919 return false; 7920 } 7921 7922 long callingId = Binder.clearCallingIdentity(); 7923 try { 7924 boolean sendAdded = false; 7925 boolean sendRemoved = false; 7926 // writer 7927 synchronized (mPackages) { 7928 pkgSetting = mSettings.mPackages.get(packageName); 7929 if (pkgSetting == null) { 7930 return false; 7931 } 7932 if (pkgSetting.getBlocked(userId) != blocked) { 7933 pkgSetting.setBlocked(blocked, userId); 7934 mSettings.writePackageRestrictionsLPr(userId); 7935 if (blocked) { 7936 sendRemoved = true; 7937 } else { 7938 sendAdded = true; 7939 } 7940 } 7941 } 7942 if (sendAdded) { 7943 sendPackageAddedForUser(packageName, pkgSetting, userId); 7944 return true; 7945 } 7946 if (sendRemoved) { 7947 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7948 "blocking pkg"); 7949 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7950 } 7951 } finally { 7952 Binder.restoreCallingIdentity(callingId); 7953 } 7954 return false; 7955 } 7956 7957 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7958 int userId) { 7959 final PackageRemovedInfo info = new PackageRemovedInfo(); 7960 info.removedPackage = packageName; 7961 info.removedUsers = new int[] {userId}; 7962 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7963 info.sendBroadcast(false, false, false); 7964 } 7965 7966 /** 7967 * Returns true if application is not found or there was an error. Otherwise it returns 7968 * the blocked state of the package for the given user. 7969 */ 7970 @Override 7971 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7972 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7973 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7974 "getApplicationBlocked for user " + userId); 7975 PackageSetting pkgSetting; 7976 long callingId = Binder.clearCallingIdentity(); 7977 try { 7978 // writer 7979 synchronized (mPackages) { 7980 pkgSetting = mSettings.mPackages.get(packageName); 7981 if (pkgSetting == null) { 7982 return true; 7983 } 7984 return pkgSetting.getBlocked(userId); 7985 } 7986 } finally { 7987 Binder.restoreCallingIdentity(callingId); 7988 } 7989 } 7990 7991 void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer, 7992 int flags) { 7993 // TODO: install stage! 7994 try { 7995 observer.packageInstalled(basePackageName, null, 7996 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7997 } catch (RemoteException ignored) { 7998 } 7999 } 8000 8001 /** 8002 * @hide 8003 */ 8004 @Override 8005 public int installExistingPackageAsUser(String packageName, int userId) { 8006 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8007 null); 8008 PackageSetting pkgSetting; 8009 final int uid = Binder.getCallingUid(); 8010 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 8011 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8012 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8013 } 8014 8015 long callingId = Binder.clearCallingIdentity(); 8016 try { 8017 boolean sendAdded = false; 8018 Bundle extras = new Bundle(1); 8019 8020 // writer 8021 synchronized (mPackages) { 8022 pkgSetting = mSettings.mPackages.get(packageName); 8023 if (pkgSetting == null) { 8024 return PackageManager.INSTALL_FAILED_INVALID_URI; 8025 } 8026 if (!pkgSetting.getInstalled(userId)) { 8027 pkgSetting.setInstalled(true, userId); 8028 pkgSetting.setBlocked(false, userId); 8029 mSettings.writePackageRestrictionsLPr(userId); 8030 sendAdded = true; 8031 } 8032 } 8033 8034 if (sendAdded) { 8035 sendPackageAddedForUser(packageName, pkgSetting, userId); 8036 } 8037 } finally { 8038 Binder.restoreCallingIdentity(callingId); 8039 } 8040 8041 return PackageManager.INSTALL_SUCCEEDED; 8042 } 8043 8044 boolean isUserRestricted(int userId, String restrictionKey) { 8045 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8046 if (restrictions.getBoolean(restrictionKey, false)) { 8047 Log.w(TAG, "User is restricted: " + restrictionKey); 8048 return true; 8049 } 8050 return false; 8051 } 8052 8053 @Override 8054 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8055 mContext.enforceCallingOrSelfPermission( 8056 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8057 "Only package verification agents can verify applications"); 8058 8059 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8060 final PackageVerificationResponse response = new PackageVerificationResponse( 8061 verificationCode, Binder.getCallingUid()); 8062 msg.arg1 = id; 8063 msg.obj = response; 8064 mHandler.sendMessage(msg); 8065 } 8066 8067 @Override 8068 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8069 long millisecondsToDelay) { 8070 mContext.enforceCallingOrSelfPermission( 8071 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8072 "Only package verification agents can extend verification timeouts"); 8073 8074 final PackageVerificationState state = mPendingVerification.get(id); 8075 final PackageVerificationResponse response = new PackageVerificationResponse( 8076 verificationCodeAtTimeout, Binder.getCallingUid()); 8077 8078 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8079 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8080 } 8081 if (millisecondsToDelay < 0) { 8082 millisecondsToDelay = 0; 8083 } 8084 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8085 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8086 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8087 } 8088 8089 if ((state != null) && !state.timeoutExtended()) { 8090 state.extendTimeout(); 8091 8092 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8093 msg.arg1 = id; 8094 msg.obj = response; 8095 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8096 } 8097 } 8098 8099 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8100 int verificationCode, UserHandle user) { 8101 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8102 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8103 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8104 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8105 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8106 8107 mContext.sendBroadcastAsUser(intent, user, 8108 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8109 } 8110 8111 private ComponentName matchComponentForVerifier(String packageName, 8112 List<ResolveInfo> receivers) { 8113 ActivityInfo targetReceiver = null; 8114 8115 final int NR = receivers.size(); 8116 for (int i = 0; i < NR; i++) { 8117 final ResolveInfo info = receivers.get(i); 8118 if (info.activityInfo == null) { 8119 continue; 8120 } 8121 8122 if (packageName.equals(info.activityInfo.packageName)) { 8123 targetReceiver = info.activityInfo; 8124 break; 8125 } 8126 } 8127 8128 if (targetReceiver == null) { 8129 return null; 8130 } 8131 8132 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8133 } 8134 8135 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8136 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8137 if (pkgInfo.verifiers.length == 0) { 8138 return null; 8139 } 8140 8141 final int N = pkgInfo.verifiers.length; 8142 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8143 for (int i = 0; i < N; i++) { 8144 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8145 8146 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8147 receivers); 8148 if (comp == null) { 8149 continue; 8150 } 8151 8152 final int verifierUid = getUidForVerifier(verifierInfo); 8153 if (verifierUid == -1) { 8154 continue; 8155 } 8156 8157 if (DEBUG_VERIFY) { 8158 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8159 + " with the correct signature"); 8160 } 8161 sufficientVerifiers.add(comp); 8162 verificationState.addSufficientVerifier(verifierUid); 8163 } 8164 8165 return sufficientVerifiers; 8166 } 8167 8168 private int getUidForVerifier(VerifierInfo verifierInfo) { 8169 synchronized (mPackages) { 8170 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8171 if (pkg == null) { 8172 return -1; 8173 } else if (pkg.mSignatures.length != 1) { 8174 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8175 + " has more than one signature; ignoring"); 8176 return -1; 8177 } 8178 8179 /* 8180 * If the public key of the package's signature does not match 8181 * our expected public key, then this is a different package and 8182 * we should skip. 8183 */ 8184 8185 final byte[] expectedPublicKey; 8186 try { 8187 final Signature verifierSig = pkg.mSignatures[0]; 8188 final PublicKey publicKey = verifierSig.getPublicKey(); 8189 expectedPublicKey = publicKey.getEncoded(); 8190 } catch (CertificateException e) { 8191 return -1; 8192 } 8193 8194 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8195 8196 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8197 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8198 + " does not have the expected public key; ignoring"); 8199 return -1; 8200 } 8201 8202 return pkg.applicationInfo.uid; 8203 } 8204 } 8205 8206 @Override 8207 public void finishPackageInstall(int token) { 8208 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8209 8210 if (DEBUG_INSTALL) { 8211 Slog.v(TAG, "BM finishing package install for " + token); 8212 } 8213 8214 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8215 mHandler.sendMessage(msg); 8216 } 8217 8218 /** 8219 * Get the verification agent timeout. 8220 * 8221 * @return verification timeout in milliseconds 8222 */ 8223 private long getVerificationTimeout() { 8224 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8225 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8226 DEFAULT_VERIFICATION_TIMEOUT); 8227 } 8228 8229 /** 8230 * Get the default verification agent response code. 8231 * 8232 * @return default verification response code 8233 */ 8234 private int getDefaultVerificationResponse() { 8235 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8236 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8237 DEFAULT_VERIFICATION_RESPONSE); 8238 } 8239 8240 /** 8241 * Check whether or not package verification has been enabled. 8242 * 8243 * @return true if verification should be performed 8244 */ 8245 private boolean isVerificationEnabled(int flags) { 8246 if (!DEFAULT_VERIFY_ENABLE) { 8247 return false; 8248 } 8249 8250 // Check if installing from ADB 8251 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8252 // Do not run verification in a test harness environment 8253 if (ActivityManager.isRunningInTestHarness()) { 8254 return false; 8255 } 8256 // Check if the developer does not want package verification for ADB installs 8257 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8258 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8259 return false; 8260 } 8261 } 8262 8263 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8264 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8265 } 8266 8267 /** 8268 * Get the "allow unknown sources" setting. 8269 * 8270 * @return the current "allow unknown sources" setting 8271 */ 8272 private int getUnknownSourcesSettings() { 8273 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8274 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8275 -1); 8276 } 8277 8278 @Override 8279 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8280 final int uid = Binder.getCallingUid(); 8281 // writer 8282 synchronized (mPackages) { 8283 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8284 if (targetPackageSetting == null) { 8285 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8286 } 8287 8288 PackageSetting installerPackageSetting; 8289 if (installerPackageName != null) { 8290 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8291 if (installerPackageSetting == null) { 8292 throw new IllegalArgumentException("Unknown installer package: " 8293 + installerPackageName); 8294 } 8295 } else { 8296 installerPackageSetting = null; 8297 } 8298 8299 Signature[] callerSignature; 8300 Object obj = mSettings.getUserIdLPr(uid); 8301 if (obj != null) { 8302 if (obj instanceof SharedUserSetting) { 8303 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8304 } else if (obj instanceof PackageSetting) { 8305 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8306 } else { 8307 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8308 } 8309 } else { 8310 throw new SecurityException("Unknown calling uid " + uid); 8311 } 8312 8313 // Verify: can't set installerPackageName to a package that is 8314 // not signed with the same cert as the caller. 8315 if (installerPackageSetting != null) { 8316 if (compareSignatures(callerSignature, 8317 installerPackageSetting.signatures.mSignatures) 8318 != PackageManager.SIGNATURE_MATCH) { 8319 throw new SecurityException( 8320 "Caller does not have same cert as new installer package " 8321 + installerPackageName); 8322 } 8323 } 8324 8325 // Verify: if target already has an installer package, it must 8326 // be signed with the same cert as the caller. 8327 if (targetPackageSetting.installerPackageName != null) { 8328 PackageSetting setting = mSettings.mPackages.get( 8329 targetPackageSetting.installerPackageName); 8330 // If the currently set package isn't valid, then it's always 8331 // okay to change it. 8332 if (setting != null) { 8333 if (compareSignatures(callerSignature, 8334 setting.signatures.mSignatures) 8335 != PackageManager.SIGNATURE_MATCH) { 8336 throw new SecurityException( 8337 "Caller does not have same cert as old installer package " 8338 + targetPackageSetting.installerPackageName); 8339 } 8340 } 8341 } 8342 8343 // Okay! 8344 targetPackageSetting.installerPackageName = installerPackageName; 8345 scheduleWriteSettingsLocked(); 8346 } 8347 } 8348 8349 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8350 // Queue up an async operation since the package installation may take a little while. 8351 mHandler.post(new Runnable() { 8352 public void run() { 8353 mHandler.removeCallbacks(this); 8354 // Result object to be returned 8355 PackageInstalledInfo res = new PackageInstalledInfo(); 8356 res.returnCode = currentStatus; 8357 res.uid = -1; 8358 res.pkg = null; 8359 res.removedInfo = new PackageRemovedInfo(); 8360 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8361 args.doPreInstall(res.returnCode); 8362 synchronized (mInstallLock) { 8363 installPackageLI(args, true, res); 8364 } 8365 args.doPostInstall(res.returnCode, res.uid); 8366 } 8367 8368 // A restore should be performed at this point if (a) the install 8369 // succeeded, (b) the operation is not an update, and (c) the new 8370 // package has a backupAgent defined. 8371 final boolean update = res.removedInfo.removedPackage != null; 8372 boolean doRestore = (!update 8373 && res.pkg != null 8374 && res.pkg.applicationInfo.backupAgentName != null); 8375 8376 // Set up the post-install work request bookkeeping. This will be used 8377 // and cleaned up by the post-install event handling regardless of whether 8378 // there's a restore pass performed. Token values are >= 1. 8379 int token; 8380 if (mNextInstallToken < 0) mNextInstallToken = 1; 8381 token = mNextInstallToken++; 8382 8383 PostInstallData data = new PostInstallData(args, res); 8384 mRunningInstalls.put(token, data); 8385 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8386 8387 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8388 // Pass responsibility to the Backup Manager. It will perform a 8389 // restore if appropriate, then pass responsibility back to the 8390 // Package Manager to run the post-install observer callbacks 8391 // and broadcasts. 8392 IBackupManager bm = IBackupManager.Stub.asInterface( 8393 ServiceManager.getService(Context.BACKUP_SERVICE)); 8394 if (bm != null) { 8395 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8396 + " to BM for possible restore"); 8397 try { 8398 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8399 } catch (RemoteException e) { 8400 // can't happen; the backup manager is local 8401 } catch (Exception e) { 8402 Slog.e(TAG, "Exception trying to enqueue restore", e); 8403 doRestore = false; 8404 } 8405 } else { 8406 Slog.e(TAG, "Backup Manager not found!"); 8407 doRestore = false; 8408 } 8409 } 8410 8411 if (!doRestore) { 8412 // No restore possible, or the Backup Manager was mysteriously not 8413 // available -- just fire the post-install work request directly. 8414 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8415 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8416 mHandler.sendMessage(msg); 8417 } 8418 } 8419 }); 8420 } 8421 8422 private abstract class HandlerParams { 8423 private static final int MAX_RETRIES = 4; 8424 8425 /** 8426 * Number of times startCopy() has been attempted and had a non-fatal 8427 * error. 8428 */ 8429 private int mRetries = 0; 8430 8431 /** User handle for the user requesting the information or installation. */ 8432 private final UserHandle mUser; 8433 8434 HandlerParams(UserHandle user) { 8435 mUser = user; 8436 } 8437 8438 UserHandle getUser() { 8439 return mUser; 8440 } 8441 8442 final boolean startCopy() { 8443 boolean res; 8444 try { 8445 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8446 8447 if (++mRetries > MAX_RETRIES) { 8448 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8449 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8450 handleServiceError(); 8451 return false; 8452 } else { 8453 handleStartCopy(); 8454 res = true; 8455 } 8456 } catch (RemoteException e) { 8457 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8458 mHandler.sendEmptyMessage(MCS_RECONNECT); 8459 res = false; 8460 } 8461 handleReturnCode(); 8462 return res; 8463 } 8464 8465 final void serviceError() { 8466 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8467 handleServiceError(); 8468 handleReturnCode(); 8469 } 8470 8471 abstract void handleStartCopy() throws RemoteException; 8472 abstract void handleServiceError(); 8473 abstract void handleReturnCode(); 8474 } 8475 8476 class MeasureParams extends HandlerParams { 8477 private final PackageStats mStats; 8478 private boolean mSuccess; 8479 8480 private final IPackageStatsObserver mObserver; 8481 8482 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8483 super(new UserHandle(stats.userHandle)); 8484 mObserver = observer; 8485 mStats = stats; 8486 } 8487 8488 @Override 8489 public String toString() { 8490 return "MeasureParams{" 8491 + Integer.toHexString(System.identityHashCode(this)) 8492 + " " + mStats.packageName + "}"; 8493 } 8494 8495 @Override 8496 void handleStartCopy() throws RemoteException { 8497 synchronized (mInstallLock) { 8498 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8499 } 8500 8501 if (mSuccess) { 8502 final boolean mounted; 8503 if (Environment.isExternalStorageEmulated()) { 8504 mounted = true; 8505 } else { 8506 final String status = Environment.getExternalStorageState(); 8507 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8508 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8509 } 8510 8511 if (mounted) { 8512 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8513 8514 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8515 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8516 8517 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8518 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8519 8520 // Always subtract cache size, since it's a subdirectory 8521 mStats.externalDataSize -= mStats.externalCacheSize; 8522 8523 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8524 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8525 8526 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8527 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8528 } 8529 } 8530 } 8531 8532 @Override 8533 void handleReturnCode() { 8534 if (mObserver != null) { 8535 try { 8536 mObserver.onGetStatsCompleted(mStats, mSuccess); 8537 } catch (RemoteException e) { 8538 Slog.i(TAG, "Observer no longer exists."); 8539 } 8540 } 8541 } 8542 8543 @Override 8544 void handleServiceError() { 8545 Slog.e(TAG, "Could not measure application " + mStats.packageName 8546 + " external storage"); 8547 } 8548 } 8549 8550 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8551 throws RemoteException { 8552 long result = 0; 8553 for (File path : paths) { 8554 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8555 } 8556 return result; 8557 } 8558 8559 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8560 for (File path : paths) { 8561 try { 8562 mcs.clearDirectory(path.getAbsolutePath()); 8563 } catch (RemoteException e) { 8564 } 8565 } 8566 } 8567 8568 class InstallParams extends HandlerParams { 8569 final IPackageInstallObserver observer; 8570 final IPackageInstallObserver2 observer2; 8571 int flags; 8572 8573 private final Uri mPackageURI; 8574 final String installerPackageName; 8575 final VerificationParams verificationParams; 8576 private InstallArgs mArgs; 8577 private int mRet; 8578 private File mTempPackage; 8579 final ContainerEncryptionParams encryptionParams; 8580 final String packageAbiOverride; 8581 final String packageInstructionSetOverride; 8582 8583 InstallParams(Uri packageURI, 8584 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8585 int flags, String installerPackageName, VerificationParams verificationParams, 8586 ContainerEncryptionParams encryptionParams, UserHandle user, 8587 String packageAbiOverride) { 8588 super(user); 8589 this.mPackageURI = packageURI; 8590 this.flags = flags; 8591 this.observer = observer; 8592 this.observer2 = observer2; 8593 this.installerPackageName = installerPackageName; 8594 this.verificationParams = verificationParams; 8595 this.encryptionParams = encryptionParams; 8596 this.packageAbiOverride = packageAbiOverride; 8597 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8598 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8599 } 8600 8601 @Override 8602 public String toString() { 8603 return "InstallParams{" 8604 + Integer.toHexString(System.identityHashCode(this)) 8605 + " " + mPackageURI + "}"; 8606 } 8607 8608 public ManifestDigest getManifestDigest() { 8609 if (verificationParams == null) { 8610 return null; 8611 } 8612 return verificationParams.getManifestDigest(); 8613 } 8614 8615 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8616 String packageName = pkgLite.packageName; 8617 int installLocation = pkgLite.installLocation; 8618 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8619 // reader 8620 synchronized (mPackages) { 8621 PackageParser.Package pkg = mPackages.get(packageName); 8622 if (pkg != null) { 8623 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8624 // Check for downgrading. 8625 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8626 if (pkgLite.versionCode < pkg.mVersionCode) { 8627 Slog.w(TAG, "Can't install update of " + packageName 8628 + " update version " + pkgLite.versionCode 8629 + " is older than installed version " 8630 + pkg.mVersionCode); 8631 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8632 } 8633 } 8634 // Check for updated system application. 8635 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8636 if (onSd) { 8637 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8638 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8639 } 8640 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8641 } else { 8642 if (onSd) { 8643 // Install flag overrides everything. 8644 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8645 } 8646 // If current upgrade specifies particular preference 8647 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8648 // Application explicitly specified internal. 8649 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8650 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8651 // App explictly prefers external. Let policy decide 8652 } else { 8653 // Prefer previous location 8654 if (isExternal(pkg)) { 8655 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8656 } 8657 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8658 } 8659 } 8660 } else { 8661 // Invalid install. Return error code 8662 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8663 } 8664 } 8665 } 8666 // All the special cases have been taken care of. 8667 // Return result based on recommended install location. 8668 if (onSd) { 8669 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8670 } 8671 return pkgLite.recommendedInstallLocation; 8672 } 8673 8674 private long getMemoryLowThreshold() { 8675 final DeviceStorageMonitorInternal 8676 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8677 if (dsm == null) { 8678 return 0L; 8679 } 8680 return dsm.getMemoryLowThreshold(); 8681 } 8682 8683 /* 8684 * Invoke remote method to get package information and install 8685 * location values. Override install location based on default 8686 * policy if needed and then create install arguments based 8687 * on the install location. 8688 */ 8689 public void handleStartCopy() throws RemoteException { 8690 int ret = PackageManager.INSTALL_SUCCEEDED; 8691 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8692 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8693 PackageInfoLite pkgLite = null; 8694 8695 if (onInt && onSd) { 8696 // Check if both bits are set. 8697 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8698 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8699 } else { 8700 final long lowThreshold = getMemoryLowThreshold(); 8701 if (lowThreshold == 0L) { 8702 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8703 } 8704 8705 try { 8706 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8707 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8708 8709 final File packageFile; 8710 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8711 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8712 if (mTempPackage != null) { 8713 ParcelFileDescriptor out; 8714 try { 8715 out = ParcelFileDescriptor.open(mTempPackage, 8716 ParcelFileDescriptor.MODE_READ_WRITE); 8717 } catch (FileNotFoundException e) { 8718 out = null; 8719 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8720 } 8721 8722 // Make a temporary file for decryption. 8723 ret = mContainerService 8724 .copyResource(mPackageURI, encryptionParams, out); 8725 IoUtils.closeQuietly(out); 8726 8727 packageFile = mTempPackage; 8728 8729 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8730 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8731 | FileUtils.S_IROTH, 8732 -1, -1); 8733 } else { 8734 packageFile = null; 8735 } 8736 } else { 8737 packageFile = new File(mPackageURI.getPath()); 8738 } 8739 8740 if (packageFile != null) { 8741 // Remote call to find out default install location 8742 final String packageFilePath = packageFile.getAbsolutePath(); 8743 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8744 lowThreshold, packageAbiOverride); 8745 8746 /* 8747 * If we have too little free space, try to free cache 8748 * before giving up. 8749 */ 8750 if (pkgLite.recommendedInstallLocation 8751 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8752 final long size = mContainerService.calculateInstalledSize( 8753 packageFilePath, isForwardLocked(), packageAbiOverride); 8754 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8755 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8756 flags, lowThreshold, packageAbiOverride); 8757 } 8758 /* 8759 * The cache free must have deleted the file we 8760 * downloaded to install. 8761 * 8762 * TODO: fix the "freeCache" call to not delete 8763 * the file we care about. 8764 */ 8765 if (pkgLite.recommendedInstallLocation 8766 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8767 pkgLite.recommendedInstallLocation 8768 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8769 } 8770 } 8771 } 8772 } finally { 8773 mContext.revokeUriPermission(mPackageURI, 8774 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8775 } 8776 } 8777 8778 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8779 int loc = pkgLite.recommendedInstallLocation; 8780 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8781 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8782 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8783 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8784 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8785 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8786 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8787 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8788 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8789 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8790 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8791 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8792 } else { 8793 // Override with defaults if needed. 8794 loc = installLocationPolicy(pkgLite, flags); 8795 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8796 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8797 } else if (!onSd && !onInt) { 8798 // Override install location with flags 8799 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8800 // Set the flag to install on external media. 8801 flags |= PackageManager.INSTALL_EXTERNAL; 8802 flags &= ~PackageManager.INSTALL_INTERNAL; 8803 } else { 8804 // Make sure the flag for installing on external 8805 // media is unset 8806 flags |= PackageManager.INSTALL_INTERNAL; 8807 flags &= ~PackageManager.INSTALL_EXTERNAL; 8808 } 8809 } 8810 } 8811 } 8812 8813 final InstallArgs args = createInstallArgs(this); 8814 mArgs = args; 8815 8816 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8817 /* 8818 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8819 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8820 */ 8821 int userIdentifier = getUser().getIdentifier(); 8822 if (userIdentifier == UserHandle.USER_ALL 8823 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8824 userIdentifier = UserHandle.USER_OWNER; 8825 } 8826 8827 /* 8828 * Determine if we have any installed package verifiers. If we 8829 * do, then we'll defer to them to verify the packages. 8830 */ 8831 final int requiredUid = mRequiredVerifierPackage == null ? -1 8832 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8833 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8834 final Intent verification = new Intent( 8835 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8836 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8837 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8838 8839 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8840 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8841 0 /* TODO: Which userId? */); 8842 8843 if (DEBUG_VERIFY) { 8844 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8845 + verification.toString() + " with " + pkgLite.verifiers.length 8846 + " optional verifiers"); 8847 } 8848 8849 final int verificationId = mPendingVerificationToken++; 8850 8851 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8852 8853 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8854 installerPackageName); 8855 8856 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8857 8858 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8859 pkgLite.packageName); 8860 8861 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8862 pkgLite.versionCode); 8863 8864 if (verificationParams != null) { 8865 if (verificationParams.getVerificationURI() != null) { 8866 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8867 verificationParams.getVerificationURI()); 8868 } 8869 if (verificationParams.getOriginatingURI() != null) { 8870 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8871 verificationParams.getOriginatingURI()); 8872 } 8873 if (verificationParams.getReferrer() != null) { 8874 verification.putExtra(Intent.EXTRA_REFERRER, 8875 verificationParams.getReferrer()); 8876 } 8877 if (verificationParams.getOriginatingUid() >= 0) { 8878 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8879 verificationParams.getOriginatingUid()); 8880 } 8881 if (verificationParams.getInstallerUid() >= 0) { 8882 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8883 verificationParams.getInstallerUid()); 8884 } 8885 } 8886 8887 final PackageVerificationState verificationState = new PackageVerificationState( 8888 requiredUid, args); 8889 8890 mPendingVerification.append(verificationId, verificationState); 8891 8892 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8893 receivers, verificationState); 8894 8895 /* 8896 * If any sufficient verifiers were listed in the package 8897 * manifest, attempt to ask them. 8898 */ 8899 if (sufficientVerifiers != null) { 8900 final int N = sufficientVerifiers.size(); 8901 if (N == 0) { 8902 Slog.i(TAG, "Additional verifiers required, but none installed."); 8903 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8904 } else { 8905 for (int i = 0; i < N; i++) { 8906 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8907 8908 final Intent sufficientIntent = new Intent(verification); 8909 sufficientIntent.setComponent(verifierComponent); 8910 8911 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8912 } 8913 } 8914 } 8915 8916 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8917 mRequiredVerifierPackage, receivers); 8918 if (ret == PackageManager.INSTALL_SUCCEEDED 8919 && mRequiredVerifierPackage != null) { 8920 /* 8921 * Send the intent to the required verification agent, 8922 * but only start the verification timeout after the 8923 * target BroadcastReceivers have run. 8924 */ 8925 verification.setComponent(requiredVerifierComponent); 8926 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8927 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8928 new BroadcastReceiver() { 8929 @Override 8930 public void onReceive(Context context, Intent intent) { 8931 final Message msg = mHandler 8932 .obtainMessage(CHECK_PENDING_VERIFICATION); 8933 msg.arg1 = verificationId; 8934 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8935 } 8936 }, null, 0, null, null); 8937 8938 /* 8939 * We don't want the copy to proceed until verification 8940 * succeeds, so null out this field. 8941 */ 8942 mArgs = null; 8943 } 8944 } else { 8945 /* 8946 * No package verification is enabled, so immediately start 8947 * the remote call to initiate copy using temporary file. 8948 */ 8949 ret = args.copyApk(mContainerService, true); 8950 } 8951 } 8952 8953 mRet = ret; 8954 } 8955 8956 @Override 8957 void handleReturnCode() { 8958 // If mArgs is null, then MCS couldn't be reached. When it 8959 // reconnects, it will try again to install. At that point, this 8960 // will succeed. 8961 if (mArgs != null) { 8962 processPendingInstall(mArgs, mRet); 8963 8964 if (mTempPackage != null) { 8965 if (!mTempPackage.delete()) { 8966 Slog.w(TAG, "Couldn't delete temporary file: " + 8967 mTempPackage.getAbsolutePath()); 8968 } 8969 } 8970 } 8971 } 8972 8973 @Override 8974 void handleServiceError() { 8975 mArgs = createInstallArgs(this); 8976 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8977 } 8978 8979 public boolean isForwardLocked() { 8980 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8981 } 8982 8983 public Uri getPackageUri() { 8984 if (mTempPackage != null) { 8985 return Uri.fromFile(mTempPackage); 8986 } else { 8987 return mPackageURI; 8988 } 8989 } 8990 } 8991 8992 /* 8993 * Utility class used in movePackage api. 8994 * srcArgs and targetArgs are not set for invalid flags and make 8995 * sure to do null checks when invoking methods on them. 8996 * We probably want to return ErrorPrams for both failed installs 8997 * and moves. 8998 */ 8999 class MoveParams extends HandlerParams { 9000 final IPackageMoveObserver observer; 9001 final int flags; 9002 final String packageName; 9003 final InstallArgs srcArgs; 9004 final InstallArgs targetArgs; 9005 int uid; 9006 int mRet; 9007 9008 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 9009 String packageName, String dataDir, String instructionSet, 9010 int uid, UserHandle user) { 9011 super(user); 9012 this.srcArgs = srcArgs; 9013 this.observer = observer; 9014 this.flags = flags; 9015 this.packageName = packageName; 9016 this.uid = uid; 9017 if (srcArgs != null) { 9018 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 9019 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 9020 } else { 9021 targetArgs = null; 9022 } 9023 } 9024 9025 @Override 9026 public String toString() { 9027 return "MoveParams{" 9028 + Integer.toHexString(System.identityHashCode(this)) 9029 + " " + packageName + "}"; 9030 } 9031 9032 public void handleStartCopy() throws RemoteException { 9033 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9034 // Check for storage space on target medium 9035 if (!targetArgs.checkFreeStorage(mContainerService)) { 9036 Log.w(TAG, "Insufficient storage to install"); 9037 return; 9038 } 9039 9040 mRet = srcArgs.doPreCopy(); 9041 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 9042 return; 9043 } 9044 9045 mRet = targetArgs.copyApk(mContainerService, false); 9046 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 9047 srcArgs.doPostCopy(uid); 9048 return; 9049 } 9050 9051 mRet = srcArgs.doPostCopy(uid); 9052 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 9053 return; 9054 } 9055 9056 mRet = targetArgs.doPreInstall(mRet); 9057 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 9058 return; 9059 } 9060 9061 if (DEBUG_SD_INSTALL) { 9062 StringBuilder builder = new StringBuilder(); 9063 if (srcArgs != null) { 9064 builder.append("src: "); 9065 builder.append(srcArgs.getCodePath()); 9066 } 9067 if (targetArgs != null) { 9068 builder.append(" target : "); 9069 builder.append(targetArgs.getCodePath()); 9070 } 9071 Log.i(TAG, builder.toString()); 9072 } 9073 } 9074 9075 @Override 9076 void handleReturnCode() { 9077 targetArgs.doPostInstall(mRet, uid); 9078 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 9079 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 9080 currentStatus = PackageManager.MOVE_SUCCEEDED; 9081 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 9082 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 9083 } 9084 processPendingMove(this, currentStatus); 9085 } 9086 9087 @Override 9088 void handleServiceError() { 9089 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9090 } 9091 } 9092 9093 /** 9094 * Used during creation of InstallArgs 9095 * 9096 * @param flags package installation flags 9097 * @return true if should be installed on external storage 9098 */ 9099 private static boolean installOnSd(int flags) { 9100 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 9101 return false; 9102 } 9103 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 9104 return true; 9105 } 9106 return false; 9107 } 9108 9109 /** 9110 * Used during creation of InstallArgs 9111 * 9112 * @param flags package installation flags 9113 * @return true if should be installed as forward locked 9114 */ 9115 private static boolean installForwardLocked(int flags) { 9116 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9117 } 9118 9119 private InstallArgs createInstallArgs(InstallParams params) { 9120 if (installOnSd(params.flags) || params.isForwardLocked()) { 9121 return new AsecInstallArgs(params); 9122 } else { 9123 return new FileInstallArgs(params); 9124 } 9125 } 9126 9127 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 9128 String nativeLibraryPath, String instructionSet) { 9129 final boolean isInAsec; 9130 if (installOnSd(flags)) { 9131 /* Apps on SD card are always in ASEC containers. */ 9132 isInAsec = true; 9133 } else if (installForwardLocked(flags) 9134 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9135 /* 9136 * Forward-locked apps are only in ASEC containers if they're the 9137 * new style 9138 */ 9139 isInAsec = true; 9140 } else { 9141 isInAsec = false; 9142 } 9143 9144 if (isInAsec) { 9145 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 9146 instructionSet, installOnSd(flags), installForwardLocked(flags)); 9147 } else { 9148 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 9149 instructionSet); 9150 } 9151 } 9152 9153 // Used by package mover 9154 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 9155 String instructionSet) { 9156 if (installOnSd(flags) || installForwardLocked(flags)) { 9157 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 9158 + AsecInstallArgs.RES_FILE_NAME); 9159 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 9160 installForwardLocked(flags)); 9161 } else { 9162 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 9163 } 9164 } 9165 9166 static abstract class InstallArgs { 9167 final IPackageInstallObserver observer; 9168 final IPackageInstallObserver2 observer2; 9169 // Always refers to PackageManager flags only 9170 final int flags; 9171 final Uri packageURI; 9172 final String installerPackageName; 9173 final ManifestDigest manifestDigest; 9174 final UserHandle user; 9175 final String instructionSet; 9176 final String abiOverride; 9177 9178 InstallArgs(Uri packageURI, 9179 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 9180 int flags, String installerPackageName, ManifestDigest manifestDigest, 9181 UserHandle user, String instructionSet, String abiOverride) { 9182 this.packageURI = packageURI; 9183 this.flags = flags; 9184 this.observer = observer; 9185 this.observer2 = observer2; 9186 this.installerPackageName = installerPackageName; 9187 this.manifestDigest = manifestDigest; 9188 this.user = user; 9189 this.instructionSet = instructionSet; 9190 this.abiOverride = abiOverride; 9191 } 9192 9193 abstract void createCopyFile(); 9194 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9195 abstract int doPreInstall(int status); 9196 abstract boolean doRename(int status, String pkgName, String oldCodePath); 9197 9198 abstract int doPostInstall(int status, int uid); 9199 abstract String getCodePath(); 9200 abstract String getResourcePath(); 9201 abstract String getNativeLibraryPath(); 9202 // Need installer lock especially for dex file removal. 9203 abstract void cleanUpResourcesLI(); 9204 abstract boolean doPostDeleteLI(boolean delete); 9205 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9206 9207 String[] getSplitCodePaths() { 9208 return null; 9209 } 9210 9211 /** 9212 * Called before the source arguments are copied. This is used mostly 9213 * for MoveParams when it needs to read the source file to put it in the 9214 * destination. 9215 */ 9216 int doPreCopy() { 9217 return PackageManager.INSTALL_SUCCEEDED; 9218 } 9219 9220 /** 9221 * Called after the source arguments are copied. This is used mostly for 9222 * MoveParams when it needs to read the source file to put it in the 9223 * destination. 9224 * 9225 * @return 9226 */ 9227 int doPostCopy(int uid) { 9228 return PackageManager.INSTALL_SUCCEEDED; 9229 } 9230 9231 protected boolean isFwdLocked() { 9232 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9233 } 9234 9235 UserHandle getUser() { 9236 return user; 9237 } 9238 } 9239 9240 class FileInstallArgs extends InstallArgs { 9241 File installDir; 9242 String codeFileName; 9243 String resourceFileName; 9244 String libraryPath; 9245 boolean created = false; 9246 9247 FileInstallArgs(InstallParams params) { 9248 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9249 params.installerPackageName, params.getManifestDigest(), 9250 params.getUser(), params.packageInstructionSetOverride, 9251 params.packageAbiOverride); 9252 } 9253 9254 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9255 String instructionSet) { 9256 super(null, null, null, 0, null, null, null, instructionSet, null); 9257 File codeFile = new File(fullCodePath); 9258 installDir = codeFile.getParentFile(); 9259 codeFileName = fullCodePath; 9260 resourceFileName = fullResourcePath; 9261 libraryPath = nativeLibraryPath; 9262 } 9263 9264 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 9265 super(packageURI, null, null, 0, null, null, null, instructionSet, null); 9266 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9267 String apkName = getNextCodePath(null, pkgName, ".apk"); 9268 codeFileName = new File(installDir, apkName + ".apk").getPath(); 9269 resourceFileName = getResourcePathFromCodePath(); 9270 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 9271 } 9272 9273 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9274 final long lowThreshold; 9275 9276 final DeviceStorageMonitorInternal 9277 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9278 if (dsm == null) { 9279 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9280 lowThreshold = 0L; 9281 } else { 9282 if (dsm.isMemoryLow()) { 9283 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9284 return false; 9285 } 9286 9287 lowThreshold = dsm.getMemoryLowThreshold(); 9288 } 9289 9290 try { 9291 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9292 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9293 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9294 } finally { 9295 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9296 } 9297 } 9298 9299 void createCopyFile() { 9300 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9301 codeFileName = createTempPackageFile(installDir).getPath(); 9302 resourceFileName = getResourcePathFromCodePath(); 9303 libraryPath = getLibraryPathFromCodePath(); 9304 created = true; 9305 } 9306 9307 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9308 if (temp) { 9309 // Generate temp file name 9310 createCopyFile(); 9311 } 9312 // Get a ParcelFileDescriptor to write to the output file 9313 File codeFile = new File(codeFileName); 9314 if (!created) { 9315 try { 9316 codeFile.createNewFile(); 9317 // Set permissions 9318 if (!setPermissions()) { 9319 // Failed setting permissions. 9320 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9321 } 9322 } catch (IOException e) { 9323 Slog.w(TAG, "Failed to create file " + codeFile); 9324 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9325 } 9326 } 9327 ParcelFileDescriptor out = null; 9328 try { 9329 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9330 } catch (FileNotFoundException e) { 9331 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9332 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9333 } 9334 // Copy the resource now 9335 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9336 try { 9337 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9338 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9339 ret = imcs.copyResource(packageURI, null, out); 9340 } finally { 9341 IoUtils.closeQuietly(out); 9342 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9343 } 9344 9345 if (isFwdLocked()) { 9346 final File destResourceFile = new File(getResourcePath()); 9347 9348 // Copy the public files 9349 try { 9350 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9351 } catch (IOException e) { 9352 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9353 + " forward-locked app."); 9354 destResourceFile.delete(); 9355 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9356 } 9357 } 9358 9359 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9360 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9361 if (nativeLibraryFile.exists()) { 9362 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9363 nativeLibraryFile.delete(); 9364 } 9365 9366 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(codeFile); 9367 String[] abiList = (abiOverride != null) ? 9368 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9369 try { 9370 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 9371 abiOverride == null && 9372 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9373 abiList = Build.SUPPORTED_32_BIT_ABIS; 9374 } 9375 9376 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 9377 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9378 return copyRet; 9379 } 9380 } catch (IOException e) { 9381 Slog.e(TAG, "Copying native libraries failed", e); 9382 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9383 } finally { 9384 handle.close(); 9385 } 9386 9387 return ret; 9388 } 9389 9390 int doPreInstall(int status) { 9391 if (status != PackageManager.INSTALL_SUCCEEDED) { 9392 cleanUp(); 9393 } 9394 return status; 9395 } 9396 9397 boolean doRename(int status, final String pkgName, String oldCodePath) { 9398 if (status != PackageManager.INSTALL_SUCCEEDED) { 9399 cleanUp(); 9400 return false; 9401 } else { 9402 final File oldCodeFile = new File(getCodePath()); 9403 final File oldResourceFile = new File(getResourcePath()); 9404 final File oldLibraryFile = new File(getNativeLibraryPath()); 9405 9406 // Rename APK file based on packageName 9407 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9408 final File newCodeFile = new File(installDir, apkName + ".apk"); 9409 if (!oldCodeFile.renameTo(newCodeFile)) { 9410 return false; 9411 } 9412 codeFileName = newCodeFile.getPath(); 9413 9414 // Rename public resource file if it's forward-locked. 9415 final File newResFile = new File(getResourcePathFromCodePath()); 9416 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9417 return false; 9418 } 9419 resourceFileName = newResFile.getPath(); 9420 9421 // Rename library path 9422 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9423 if (newLibraryFile.exists()) { 9424 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9425 newLibraryFile.delete(); 9426 } 9427 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9428 Slog.e(TAG, "Cannot rename native library directory " 9429 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9430 return false; 9431 } 9432 libraryPath = newLibraryFile.getPath(); 9433 9434 // Attempt to set permissions 9435 if (!setPermissions()) { 9436 return false; 9437 } 9438 9439 if (!SELinux.restorecon(newCodeFile)) { 9440 return false; 9441 } 9442 9443 return true; 9444 } 9445 } 9446 9447 int doPostInstall(int status, int uid) { 9448 if (status != PackageManager.INSTALL_SUCCEEDED) { 9449 cleanUp(); 9450 } 9451 return status; 9452 } 9453 9454 private String getResourcePathFromCodePath() { 9455 final String codePath = getCodePath(); 9456 if (isFwdLocked()) { 9457 final StringBuilder sb = new StringBuilder(); 9458 9459 sb.append(mAppInstallDir.getPath()); 9460 sb.append('/'); 9461 sb.append(getApkName(codePath)); 9462 sb.append(".zip"); 9463 9464 /* 9465 * If our APK is a temporary file, mark the resource as a 9466 * temporary file as well so it can be cleaned up after 9467 * catastrophic failure. 9468 */ 9469 if (codePath.endsWith(".tmp")) { 9470 sb.append(".tmp"); 9471 } 9472 9473 return sb.toString(); 9474 } else { 9475 return codePath; 9476 } 9477 } 9478 9479 private String getLibraryPathFromCodePath() { 9480 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9481 } 9482 9483 @Override 9484 String getCodePath() { 9485 return codeFileName; 9486 } 9487 9488 @Override 9489 String getResourcePath() { 9490 return resourceFileName; 9491 } 9492 9493 @Override 9494 String getNativeLibraryPath() { 9495 if (libraryPath == null) { 9496 libraryPath = getLibraryPathFromCodePath(); 9497 } 9498 return libraryPath; 9499 } 9500 9501 private boolean cleanUp() { 9502 boolean ret = true; 9503 String sourceDir = getCodePath(); 9504 String publicSourceDir = getResourcePath(); 9505 if (sourceDir != null) { 9506 File sourceFile = new File(sourceDir); 9507 if (!sourceFile.exists()) { 9508 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9509 ret = false; 9510 } 9511 // Delete application's code and resources 9512 sourceFile.delete(); 9513 } 9514 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9515 final File publicSourceFile = new File(publicSourceDir); 9516 if (!publicSourceFile.exists()) { 9517 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9518 } 9519 if (publicSourceFile.exists()) { 9520 publicSourceFile.delete(); 9521 } 9522 } 9523 9524 if (libraryPath != null) { 9525 File nativeLibraryFile = new File(libraryPath); 9526 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9527 if (!nativeLibraryFile.delete()) { 9528 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9529 } 9530 } 9531 9532 return ret; 9533 } 9534 9535 void cleanUpResourcesLI() { 9536 String sourceDir = getCodePath(); 9537 if (cleanUp()) { 9538 if (instructionSet == null) { 9539 throw new IllegalStateException("instructionSet == null"); 9540 } 9541 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9542 if (retCode < 0) { 9543 Slog.w(TAG, "Couldn't remove dex file for package: " 9544 + " at location " 9545 + sourceDir + ", retcode=" + retCode); 9546 // we don't consider this to be a failure of the core package deletion 9547 } 9548 } 9549 } 9550 9551 private boolean setPermissions() { 9552 // TODO Do this in a more elegant way later on. for now just a hack 9553 if (!isFwdLocked()) { 9554 final int filePermissions = 9555 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9556 |FileUtils.S_IROTH; 9557 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9558 if (retCode != 0) { 9559 Slog.e(TAG, "Couldn't set new package file permissions for " + 9560 getCodePath() 9561 + ". The return code was: " + retCode); 9562 // TODO Define new internal error 9563 return false; 9564 } 9565 return true; 9566 } 9567 return true; 9568 } 9569 9570 boolean doPostDeleteLI(boolean delete) { 9571 // XXX err, shouldn't we respect the delete flag? 9572 cleanUpResourcesLI(); 9573 return true; 9574 } 9575 } 9576 9577 private boolean isAsecExternal(String cid) { 9578 final String asecPath = PackageHelper.getSdFilesystem(cid); 9579 return !asecPath.startsWith(mAsecInternalPath); 9580 } 9581 9582 /** 9583 * Extract the MountService "container ID" from the full code path of an 9584 * .apk. 9585 */ 9586 static String cidFromCodePath(String fullCodePath) { 9587 int eidx = fullCodePath.lastIndexOf("/"); 9588 String subStr1 = fullCodePath.substring(0, eidx); 9589 int sidx = subStr1.lastIndexOf("/"); 9590 return subStr1.substring(sidx+1, eidx); 9591 } 9592 9593 class AsecInstallArgs extends InstallArgs { 9594 static final String RES_FILE_NAME = "pkg.apk"; 9595 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9596 9597 String cid; 9598 String packagePath; 9599 String resourcePath; 9600 String libraryPath; 9601 9602 AsecInstallArgs(InstallParams params) { 9603 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9604 params.installerPackageName, params.getManifestDigest(), 9605 params.getUser(), params.packageInstructionSetOverride, 9606 params.packageAbiOverride); 9607 } 9608 9609 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9610 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9611 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9612 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9613 null, null, null, instructionSet, null); 9614 // Extract cid from fullCodePath 9615 int eidx = fullCodePath.lastIndexOf("/"); 9616 String subStr1 = fullCodePath.substring(0, eidx); 9617 int sidx = subStr1.lastIndexOf("/"); 9618 cid = subStr1.substring(sidx+1, eidx); 9619 setCachePath(subStr1); 9620 } 9621 9622 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9623 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9624 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9625 null, null, null, instructionSet, null); 9626 this.cid = cid; 9627 setCachePath(PackageHelper.getSdDir(cid)); 9628 } 9629 9630 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9631 boolean isExternal, boolean isForwardLocked) { 9632 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9633 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9634 null, null, null, instructionSet, null); 9635 this.cid = cid; 9636 } 9637 9638 void createCopyFile() { 9639 cid = getTempContainerId(); 9640 } 9641 9642 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9643 try { 9644 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9645 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9646 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9647 } finally { 9648 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9649 } 9650 } 9651 9652 private final boolean isExternal() { 9653 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9654 } 9655 9656 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9657 if (temp) { 9658 createCopyFile(); 9659 } else { 9660 /* 9661 * Pre-emptively destroy the container since it's destroyed if 9662 * copying fails due to it existing anyway. 9663 */ 9664 PackageHelper.destroySdDir(cid); 9665 } 9666 9667 final String newCachePath; 9668 try { 9669 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9670 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9671 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9672 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9673 abiOverride); 9674 } finally { 9675 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9676 } 9677 9678 if (newCachePath != null) { 9679 setCachePath(newCachePath); 9680 return PackageManager.INSTALL_SUCCEEDED; 9681 } else { 9682 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9683 } 9684 } 9685 9686 @Override 9687 String getCodePath() { 9688 return packagePath; 9689 } 9690 9691 @Override 9692 String getResourcePath() { 9693 return resourcePath; 9694 } 9695 9696 @Override 9697 String getNativeLibraryPath() { 9698 return libraryPath; 9699 } 9700 9701 int doPreInstall(int status) { 9702 if (status != PackageManager.INSTALL_SUCCEEDED) { 9703 // Destroy container 9704 PackageHelper.destroySdDir(cid); 9705 } else { 9706 boolean mounted = PackageHelper.isContainerMounted(cid); 9707 if (!mounted) { 9708 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9709 Process.SYSTEM_UID); 9710 if (newCachePath != null) { 9711 setCachePath(newCachePath); 9712 } else { 9713 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9714 } 9715 } 9716 } 9717 return status; 9718 } 9719 9720 boolean doRename(int status, final String pkgName, 9721 String oldCodePath) { 9722 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9723 String newCachePath = null; 9724 if (PackageHelper.isContainerMounted(cid)) { 9725 // Unmount the container 9726 if (!PackageHelper.unMountSdDir(cid)) { 9727 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9728 return false; 9729 } 9730 } 9731 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9732 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9733 " which might be stale. Will try to clean up."); 9734 // Clean up the stale container and proceed to recreate. 9735 if (!PackageHelper.destroySdDir(newCacheId)) { 9736 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9737 return false; 9738 } 9739 // Successfully cleaned up stale container. Try to rename again. 9740 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9741 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9742 + " inspite of cleaning it up."); 9743 return false; 9744 } 9745 } 9746 if (!PackageHelper.isContainerMounted(newCacheId)) { 9747 Slog.w(TAG, "Mounting container " + newCacheId); 9748 newCachePath = PackageHelper.mountSdDir(newCacheId, 9749 getEncryptKey(), Process.SYSTEM_UID); 9750 } else { 9751 newCachePath = PackageHelper.getSdDir(newCacheId); 9752 } 9753 if (newCachePath == null) { 9754 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9755 return false; 9756 } 9757 Log.i(TAG, "Succesfully renamed " + cid + 9758 " to " + newCacheId + 9759 " at new path: " + newCachePath); 9760 cid = newCacheId; 9761 setCachePath(newCachePath); 9762 return true; 9763 } 9764 9765 private void setCachePath(String newCachePath) { 9766 File cachePath = new File(newCachePath); 9767 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9768 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9769 9770 if (isFwdLocked()) { 9771 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9772 } else { 9773 resourcePath = packagePath; 9774 } 9775 } 9776 9777 int doPostInstall(int status, int uid) { 9778 if (status != PackageManager.INSTALL_SUCCEEDED) { 9779 cleanUp(); 9780 } else { 9781 final int groupOwner; 9782 final String protectedFile; 9783 if (isFwdLocked()) { 9784 groupOwner = UserHandle.getSharedAppGid(uid); 9785 protectedFile = RES_FILE_NAME; 9786 } else { 9787 groupOwner = -1; 9788 protectedFile = null; 9789 } 9790 9791 if (uid < Process.FIRST_APPLICATION_UID 9792 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9793 Slog.e(TAG, "Failed to finalize " + cid); 9794 PackageHelper.destroySdDir(cid); 9795 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9796 } 9797 9798 boolean mounted = PackageHelper.isContainerMounted(cid); 9799 if (!mounted) { 9800 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9801 } 9802 } 9803 return status; 9804 } 9805 9806 private void cleanUp() { 9807 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9808 9809 // Destroy secure container 9810 PackageHelper.destroySdDir(cid); 9811 } 9812 9813 void cleanUpResourcesLI() { 9814 String sourceFile = getCodePath(); 9815 // Remove dex file 9816 if (instructionSet == null) { 9817 throw new IllegalStateException("instructionSet == null"); 9818 } 9819 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9820 if (retCode < 0) { 9821 Slog.w(TAG, "Couldn't remove dex file for package: " 9822 + " at location " 9823 + sourceFile.toString() + ", retcode=" + retCode); 9824 // we don't consider this to be a failure of the core package deletion 9825 } 9826 cleanUp(); 9827 } 9828 9829 boolean matchContainer(String app) { 9830 if (cid.startsWith(app)) { 9831 return true; 9832 } 9833 return false; 9834 } 9835 9836 String getPackageName() { 9837 return getAsecPackageName(cid); 9838 } 9839 9840 boolean doPostDeleteLI(boolean delete) { 9841 boolean ret = false; 9842 boolean mounted = PackageHelper.isContainerMounted(cid); 9843 if (mounted) { 9844 // Unmount first 9845 ret = PackageHelper.unMountSdDir(cid); 9846 } 9847 if (ret && delete) { 9848 cleanUpResourcesLI(); 9849 } 9850 return ret; 9851 } 9852 9853 @Override 9854 int doPreCopy() { 9855 if (isFwdLocked()) { 9856 if (!PackageHelper.fixSdPermissions(cid, 9857 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9858 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9859 } 9860 } 9861 9862 return PackageManager.INSTALL_SUCCEEDED; 9863 } 9864 9865 @Override 9866 int doPostCopy(int uid) { 9867 if (isFwdLocked()) { 9868 if (uid < Process.FIRST_APPLICATION_UID 9869 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9870 RES_FILE_NAME)) { 9871 Slog.e(TAG, "Failed to finalize " + cid); 9872 PackageHelper.destroySdDir(cid); 9873 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9874 } 9875 } 9876 9877 return PackageManager.INSTALL_SUCCEEDED; 9878 } 9879 } 9880 9881 static String getAsecPackageName(String packageCid) { 9882 int idx = packageCid.lastIndexOf("-"); 9883 if (idx == -1) { 9884 return packageCid; 9885 } 9886 return packageCid.substring(0, idx); 9887 } 9888 9889 // Utility method used to create code paths based on package name and available index. 9890 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9891 String idxStr = ""; 9892 int idx = 1; 9893 // Fall back to default value of idx=1 if prefix is not 9894 // part of oldCodePath 9895 if (oldCodePath != null) { 9896 String subStr = oldCodePath; 9897 // Drop the suffix right away 9898 if (subStr.endsWith(suffix)) { 9899 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9900 } 9901 // If oldCodePath already contains prefix find out the 9902 // ending index to either increment or decrement. 9903 int sidx = subStr.lastIndexOf(prefix); 9904 if (sidx != -1) { 9905 subStr = subStr.substring(sidx + prefix.length()); 9906 if (subStr != null) { 9907 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9908 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9909 } 9910 try { 9911 idx = Integer.parseInt(subStr); 9912 if (idx <= 1) { 9913 idx++; 9914 } else { 9915 idx--; 9916 } 9917 } catch(NumberFormatException e) { 9918 } 9919 } 9920 } 9921 } 9922 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9923 return prefix + idxStr; 9924 } 9925 9926 // Utility method used to ignore ADD/REMOVE events 9927 // by directory observer. 9928 private static boolean ignoreCodePath(String fullPathStr) { 9929 String apkName = getApkName(fullPathStr); 9930 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9931 if (idx != -1 && ((idx+1) < apkName.length())) { 9932 // Make sure the package ends with a numeral 9933 String version = apkName.substring(idx+1); 9934 try { 9935 Integer.parseInt(version); 9936 return true; 9937 } catch (NumberFormatException e) {} 9938 } 9939 return false; 9940 } 9941 9942 // Utility method that returns the relative package path with respect 9943 // to the installation directory. Like say for /data/data/com.test-1.apk 9944 // string com.test-1 is returned. 9945 static String getApkName(String codePath) { 9946 if (codePath == null) { 9947 return null; 9948 } 9949 int sidx = codePath.lastIndexOf("/"); 9950 int eidx = codePath.lastIndexOf("."); 9951 if (eidx == -1) { 9952 eidx = codePath.length(); 9953 } else if (eidx == 0) { 9954 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9955 return null; 9956 } 9957 return codePath.substring(sidx+1, eidx); 9958 } 9959 9960 private static String[] deriveSplitResPaths(String[] splitCodePaths) { 9961 String[] splitResPaths = null; 9962 if (!ArrayUtils.isEmpty(splitCodePaths)) { 9963 splitResPaths = new String[splitCodePaths.length]; 9964 for (int i = 0; i < splitCodePaths.length; i++) { 9965 final String splitCodePath = splitCodePaths[i]; 9966 final String resName = getApkName(splitCodePath) + ".zip"; 9967 splitResPaths[i] = new File(new File(splitCodePath).getParentFile(), 9968 resName).getAbsolutePath(); 9969 } 9970 } 9971 return splitResPaths; 9972 } 9973 9974 class PackageInstalledInfo { 9975 String name; 9976 int uid; 9977 // The set of users that originally had this package installed. 9978 int[] origUsers; 9979 // The set of users that now have this package installed. 9980 int[] newUsers; 9981 PackageParser.Package pkg; 9982 int returnCode; 9983 PackageRemovedInfo removedInfo; 9984 9985 // In some error cases we want to convey more info back to the observer 9986 String origPackage; 9987 String origPermission; 9988 } 9989 9990 /* 9991 * Install a non-existing package. 9992 */ 9993 private void installNewPackageLI(PackageParser.Package pkg, 9994 int parseFlags, int scanMode, UserHandle user, 9995 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9996 // Remember this for later, in case we need to rollback this install 9997 String pkgName = pkg.packageName; 9998 9999 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 10000 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 10001 synchronized(mPackages) { 10002 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 10003 // A package with the same name is already installed, though 10004 // it has been renamed to an older name. The package we 10005 // are trying to install should be installed as an update to 10006 // the existing one, but that has not been requested, so bail. 10007 Slog.w(TAG, "Attempt to re-install " + pkgName 10008 + " without first uninstalling package running as " 10009 + mSettings.mRenamedPackages.get(pkgName)); 10010 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10011 return; 10012 } 10013 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 10014 // Don't allow installation over an existing package with the same name. 10015 Slog.w(TAG, "Attempt to re-install " + pkgName 10016 + " without first uninstalling."); 10017 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10018 return; 10019 } 10020 } 10021 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10022 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 10023 System.currentTimeMillis(), user, abiOverride); 10024 if (newPackage == null) { 10025 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10026 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10027 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10028 } 10029 } else { 10030 updateSettingsLI(newPackage, installerPackageName, null, null, res); 10031 // delete the partially installed application. the data directory will have to be 10032 // restored if it was already existing 10033 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10034 // remove package from internal structures. Note that we want deletePackageX to 10035 // delete the package data and cache directories that it created in 10036 // scanPackageLocked, unless those directories existed before we even tried to 10037 // install. 10038 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 10039 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 10040 res.removedInfo, true); 10041 } 10042 } 10043 } 10044 10045 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 10046 // Upgrade keysets are being used. Determine if new package has a superset of the 10047 // required keys. 10048 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 10049 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10050 Set<Long> newSigningKeyIds = new ArraySet<Long>(); 10051 for (PublicKey pk : newPkg.mSigningKeys) { 10052 newSigningKeyIds.add(ksms.getIdForPublicKey(pk)); 10053 } 10054 //remove PUBLIC_KEY_NOT_FOUND, although not necessary 10055 newSigningKeyIds.remove(ksms.PUBLIC_KEY_NOT_FOUND); 10056 for (int i = 0; i < upgradeKeySets.length; i++) { 10057 if (newSigningKeyIds.containsAll(ksms.mKeySetMapping.get(upgradeKeySets[i]))) { 10058 return true; 10059 } 10060 } 10061 return false; 10062 } 10063 10064 private void replacePackageLI(PackageParser.Package pkg, 10065 int parseFlags, int scanMode, UserHandle user, 10066 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10067 PackageParser.Package oldPackage; 10068 String pkgName = pkg.packageName; 10069 int[] allUsers; 10070 boolean[] perUserInstalled; 10071 10072 // First find the old package info and check signatures 10073 synchronized(mPackages) { 10074 oldPackage = mPackages.get(pkgName); 10075 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10076 PackageSetting ps = mSettings.mPackages.get(pkgName); 10077 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10078 // default to original signature matching 10079 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10080 != PackageManager.SIGNATURE_MATCH) { 10081 Slog.w(TAG, "New package has a different signature: " + pkgName); 10082 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 10083 return; 10084 } 10085 } else { 10086 if(!checkUpgradeKeySetLP(ps, pkg)) { 10087 Slog.w(TAG, "New package not signed by keys specified by upgrade-keysets: " 10088 + pkgName); 10089 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 10090 return; 10091 } 10092 } 10093 10094 // In case of rollback, remember per-user/profile install state 10095 allUsers = sUserManager.getUserIds(); 10096 perUserInstalled = new boolean[allUsers.length]; 10097 for (int i = 0; i < allUsers.length; i++) { 10098 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10099 } 10100 } 10101 boolean sysPkg = (isSystemApp(oldPackage)); 10102 if (sysPkg) { 10103 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 10104 user, allUsers, perUserInstalled, installerPackageName, res, 10105 abiOverride); 10106 } else { 10107 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 10108 user, allUsers, perUserInstalled, installerPackageName, res, 10109 abiOverride); 10110 } 10111 } 10112 10113 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10114 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10115 int[] allUsers, boolean[] perUserInstalled, 10116 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10117 PackageParser.Package newPackage = null; 10118 String pkgName = deletedPackage.packageName; 10119 boolean deletedPkg = true; 10120 boolean updatedSettings = false; 10121 10122 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10123 + deletedPackage); 10124 long origUpdateTime; 10125 if (pkg.mExtras != null) { 10126 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10127 } else { 10128 origUpdateTime = 0; 10129 } 10130 10131 // First delete the existing package while retaining the data directory 10132 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10133 res.removedInfo, true)) { 10134 // If the existing package wasn't successfully deleted 10135 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10136 deletedPkg = false; 10137 } else { 10138 // Successfully deleted the old package. Now proceed with re-installation 10139 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10140 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 10141 System.currentTimeMillis(), user, abiOverride); 10142 if (newPackage == null) { 10143 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10144 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10145 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10146 } 10147 } else { 10148 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10149 updatedSettings = true; 10150 } 10151 } 10152 10153 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10154 // remove package from internal structures. Note that we want deletePackageX to 10155 // delete the package data and cache directories that it created in 10156 // scanPackageLocked, unless those directories existed before we even tried to 10157 // install. 10158 if(updatedSettings) { 10159 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10160 deletePackageLI( 10161 pkgName, null, true, allUsers, perUserInstalled, 10162 PackageManager.DELETE_KEEP_DATA, 10163 res.removedInfo, true); 10164 } 10165 // Since we failed to install the new package we need to restore the old 10166 // package that we deleted. 10167 if (deletedPkg) { 10168 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10169 File restoreFile = new File(deletedPackage.codePath); 10170 // Parse old package 10171 boolean oldOnSd = isExternal(deletedPackage); 10172 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10173 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10174 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10175 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 10176 | SCAN_UPDATE_TIME; 10177 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 10178 origUpdateTime, null, null) == null) { 10179 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 10180 return; 10181 } 10182 // Restore of old package succeeded. Update permissions. 10183 // writer 10184 synchronized (mPackages) { 10185 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10186 UPDATE_PERMISSIONS_ALL); 10187 // can downgrade to reader 10188 mSettings.writeLPr(); 10189 } 10190 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10191 } 10192 } 10193 } 10194 10195 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10196 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10197 int[] allUsers, boolean[] perUserInstalled, 10198 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10199 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10200 + ", old=" + deletedPackage); 10201 PackageParser.Package newPackage = null; 10202 boolean updatedSettings = false; 10203 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 10204 PackageParser.PARSE_IS_SYSTEM; 10205 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10206 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10207 } 10208 String packageName = deletedPackage.packageName; 10209 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10210 if (packageName == null) { 10211 Slog.w(TAG, "Attempt to delete null packageName."); 10212 return; 10213 } 10214 PackageParser.Package oldPkg; 10215 PackageSetting oldPkgSetting; 10216 // reader 10217 synchronized (mPackages) { 10218 oldPkg = mPackages.get(packageName); 10219 oldPkgSetting = mSettings.mPackages.get(packageName); 10220 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10221 (oldPkgSetting == null)) { 10222 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 10223 return; 10224 } 10225 } 10226 10227 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10228 10229 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10230 res.removedInfo.removedPackage = packageName; 10231 // Remove existing system package 10232 removePackageLI(oldPkgSetting, true); 10233 // writer 10234 synchronized (mPackages) { 10235 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10236 // We didn't need to disable the .apk as a current system package, 10237 // which means we are replacing another update that is already 10238 // installed. We need to make sure to delete the older one's .apk. 10239 res.removedInfo.args = createInstallArgs(0, 10240 deletedPackage.applicationInfo.sourceDir, 10241 deletedPackage.applicationInfo.publicSourceDir, 10242 deletedPackage.applicationInfo.nativeLibraryDir, 10243 getAppInstructionSet(deletedPackage.applicationInfo)); 10244 } else { 10245 res.removedInfo.args = null; 10246 } 10247 } 10248 10249 // Successfully disabled the old package. Now proceed with re-installation 10250 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10251 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10252 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10253 if (newPackage == null) { 10254 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10255 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10256 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10257 } 10258 } else { 10259 if (newPackage.mExtras != null) { 10260 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10261 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10262 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10263 10264 // is the update attempting to change shared user? that isn't going to work... 10265 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10266 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10267 + " to " + newPkgSetting.sharedUser); 10268 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10269 updatedSettings = true; 10270 } 10271 } 10272 10273 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10274 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10275 updatedSettings = true; 10276 } 10277 } 10278 10279 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10280 // Re installation failed. Restore old information 10281 // Remove new pkg information 10282 if (newPackage != null) { 10283 removeInstalledPackageLI(newPackage, true); 10284 } 10285 // Add back the old system package 10286 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10287 // Restore the old system information in Settings 10288 synchronized(mPackages) { 10289 if (updatedSettings) { 10290 mSettings.enableSystemPackageLPw(packageName); 10291 mSettings.setInstallerPackageName(packageName, 10292 oldPkgSetting.installerPackageName); 10293 } 10294 mSettings.writeLPr(); 10295 } 10296 } 10297 } 10298 10299 // Utility method used to move dex files during install. 10300 private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) { 10301 // TODO: extend to move split APK dex files 10302 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10303 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 10304 int retCode = mInstaller.movedex(oldCodePath, newPackage.codePath, 10305 instructionSet); 10306 if (retCode != 0) { 10307 /* 10308 * Programs may be lazily run through dexopt, so the 10309 * source may not exist. However, something seems to 10310 * have gone wrong, so note that dexopt needs to be 10311 * run again and remove the source file. In addition, 10312 * remove the target to make sure there isn't a stale 10313 * file from a previous version of the package. 10314 */ 10315 newPackage.mDexOptNeeded = true; 10316 mInstaller.rmdex(oldCodePath, instructionSet); 10317 mInstaller.rmdex(newPackage.codePath, instructionSet); 10318 } 10319 } 10320 return PackageManager.INSTALL_SUCCEEDED; 10321 } 10322 10323 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10324 int[] allUsers, boolean[] perUserInstalled, 10325 PackageInstalledInfo res) { 10326 String pkgName = newPackage.packageName; 10327 synchronized (mPackages) { 10328 //write settings. the installStatus will be incomplete at this stage. 10329 //note that the new package setting would have already been 10330 //added to mPackages. It hasn't been persisted yet. 10331 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10332 mSettings.writeLPr(); 10333 } 10334 10335 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10336 10337 synchronized (mPackages) { 10338 updatePermissionsLPw(newPackage.packageName, newPackage, 10339 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10340 ? UPDATE_PERMISSIONS_ALL : 0)); 10341 // For system-bundled packages, we assume that installing an upgraded version 10342 // of the package implies that the user actually wants to run that new code, 10343 // so we enable the package. 10344 if (isSystemApp(newPackage)) { 10345 // NB: implicit assumption that system package upgrades apply to all users 10346 if (DEBUG_INSTALL) { 10347 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10348 } 10349 PackageSetting ps = mSettings.mPackages.get(pkgName); 10350 if (ps != null) { 10351 if (res.origUsers != null) { 10352 for (int userHandle : res.origUsers) { 10353 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10354 userHandle, installerPackageName); 10355 } 10356 } 10357 // Also convey the prior install/uninstall state 10358 if (allUsers != null && perUserInstalled != null) { 10359 for (int i = 0; i < allUsers.length; i++) { 10360 if (DEBUG_INSTALL) { 10361 Slog.d(TAG, " user " + allUsers[i] 10362 + " => " + perUserInstalled[i]); 10363 } 10364 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10365 } 10366 // these install state changes will be persisted in the 10367 // upcoming call to mSettings.writeLPr(). 10368 } 10369 } 10370 } 10371 res.name = pkgName; 10372 res.uid = newPackage.applicationInfo.uid; 10373 res.pkg = newPackage; 10374 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10375 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10376 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10377 //to update install status 10378 mSettings.writeLPr(); 10379 } 10380 } 10381 10382 private void installPackageLI(InstallArgs args, 10383 boolean newInstall, PackageInstalledInfo res) { 10384 int pFlags = args.flags; 10385 String installerPackageName = args.installerPackageName; 10386 File tmpPackageFile = new File(args.getCodePath()); 10387 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10388 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10389 boolean replace = false; 10390 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10391 | (newInstall ? SCAN_NEW_INSTALL : 0); 10392 // Result object to be returned 10393 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10394 10395 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10396 // Retrieve PackageSettings and parse package 10397 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10398 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10399 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10400 PackageParser pp = new PackageParser(); 10401 pp.setSeparateProcesses(mSeparateProcesses); 10402 pp.setDisplayMetrics(mMetrics); 10403 10404 final PackageParser.Package pkg; 10405 try { 10406 pkg = pp.parseMonolithicPackage(tmpPackageFile, parseFlags); 10407 } catch (PackageParserException e) { 10408 res.returnCode = e.error; 10409 return; 10410 } 10411 10412 String pkgName = res.name = pkg.packageName; 10413 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10414 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10415 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10416 return; 10417 } 10418 } 10419 10420 try { 10421 pp.collectCertificates(pkg, parseFlags); 10422 pp.collectManifestDigest(pkg); 10423 } catch (PackageParserException e) { 10424 res.returnCode = e.error; 10425 return; 10426 } 10427 10428 /* If the installer passed in a manifest digest, compare it now. */ 10429 if (args.manifestDigest != null) { 10430 if (DEBUG_INSTALL) { 10431 final String parsedManifest = pkg.manifestDigest == null ? "null" 10432 : pkg.manifestDigest.toString(); 10433 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10434 + parsedManifest); 10435 } 10436 10437 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10438 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10439 return; 10440 } 10441 } else if (DEBUG_INSTALL) { 10442 final String parsedManifest = pkg.manifestDigest == null 10443 ? "null" : pkg.manifestDigest.toString(); 10444 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10445 } 10446 10447 // Get rid of all references to package scan path via parser. 10448 pp = null; 10449 String oldCodePath = null; 10450 boolean systemApp = false; 10451 synchronized (mPackages) { 10452 // Check whether the newly-scanned package wants to define an already-defined perm 10453 int N = pkg.permissions.size(); 10454 for (int i = N-1; i >= 0; i--) { 10455 PackageParser.Permission perm = pkg.permissions.get(i); 10456 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10457 if (bp != null) { 10458 // If the defining package is signed with our cert, it's okay. This 10459 // also includes the "updating the same package" case, of course. 10460 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10461 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10462 // If the owning package is the system itself, we log but allow 10463 // install to proceed; we fail the install on all other permission 10464 // redefinitions. 10465 if (!bp.sourcePackage.equals("android")) { 10466 Slog.w(TAG, "Package " + pkg.packageName 10467 + " attempting to redeclare permission " + perm.info.name 10468 + " already owned by " + bp.sourcePackage); 10469 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10470 res.origPermission = perm.info.name; 10471 res.origPackage = bp.sourcePackage; 10472 return; 10473 } else { 10474 Slog.w(TAG, "Package " + pkg.packageName 10475 + " attempting to redeclare system permission " 10476 + perm.info.name + "; ignoring new declaration"); 10477 pkg.permissions.remove(i); 10478 } 10479 } 10480 } 10481 } 10482 10483 // Check if installing already existing package 10484 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10485 String oldName = mSettings.mRenamedPackages.get(pkgName); 10486 if (pkg.mOriginalPackages != null 10487 && pkg.mOriginalPackages.contains(oldName) 10488 && mPackages.containsKey(oldName)) { 10489 // This package is derived from an original package, 10490 // and this device has been updating from that original 10491 // name. We must continue using the original name, so 10492 // rename the new package here. 10493 pkg.setPackageName(oldName); 10494 pkgName = pkg.packageName; 10495 replace = true; 10496 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10497 + oldName + " pkgName=" + pkgName); 10498 } else if (mPackages.containsKey(pkgName)) { 10499 // This package, under its official name, already exists 10500 // on the device; we should replace it. 10501 replace = true; 10502 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10503 } 10504 } 10505 PackageSetting ps = mSettings.mPackages.get(pkgName); 10506 if (ps != null) { 10507 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10508 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10509 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10510 systemApp = (ps.pkg.applicationInfo.flags & 10511 ApplicationInfo.FLAG_SYSTEM) != 0; 10512 } 10513 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10514 } 10515 } 10516 10517 if (systemApp && onSd) { 10518 // Disable updates to system apps on sdcard 10519 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10520 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10521 return; 10522 } 10523 10524 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10525 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10526 return; 10527 } 10528 // Set application objects path explicitly after the rename 10529 pkg.codePath = args.getCodePath(); 10530 pkg.applicationInfo.sourceDir = args.getCodePath(); 10531 pkg.applicationInfo.publicSourceDir = args.getResourcePath(); 10532 pkg.applicationInfo.splitSourceDirs = args.getSplitCodePaths(); 10533 pkg.applicationInfo.splitPublicSourceDirs = deriveSplitResPaths( 10534 pkg.applicationInfo.splitSourceDirs); 10535 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10536 if (replace) { 10537 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10538 installerPackageName, res, args.abiOverride); 10539 } else { 10540 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10541 installerPackageName, res, args.abiOverride); 10542 } 10543 synchronized (mPackages) { 10544 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10545 if (ps != null) { 10546 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10547 } 10548 } 10549 } 10550 10551 private static boolean isForwardLocked(PackageParser.Package pkg) { 10552 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10553 } 10554 10555 10556 private boolean isForwardLocked(PackageSetting ps) { 10557 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10558 } 10559 10560 private static boolean isExternal(PackageParser.Package pkg) { 10561 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10562 } 10563 10564 private static boolean isExternal(PackageSetting ps) { 10565 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10566 } 10567 10568 private static boolean isSystemApp(PackageParser.Package pkg) { 10569 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10570 } 10571 10572 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10573 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10574 } 10575 10576 private static boolean isSystemApp(ApplicationInfo info) { 10577 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10578 } 10579 10580 private static boolean isSystemApp(PackageSetting ps) { 10581 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10582 } 10583 10584 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10585 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10586 } 10587 10588 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10589 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10590 } 10591 10592 private int packageFlagsToInstallFlags(PackageSetting ps) { 10593 int installFlags = 0; 10594 if (isExternal(ps)) { 10595 installFlags |= PackageManager.INSTALL_EXTERNAL; 10596 } 10597 if (isForwardLocked(ps)) { 10598 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10599 } 10600 return installFlags; 10601 } 10602 10603 private void deleteTempPackageFiles() { 10604 final FilenameFilter filter = new FilenameFilter() { 10605 public boolean accept(File dir, String name) { 10606 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10607 } 10608 }; 10609 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10610 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10611 } 10612 10613 private static final void deleteTempPackageFilesInDirectory(File directory, 10614 FilenameFilter filter) { 10615 final String[] tmpFilesList = directory.list(filter); 10616 if (tmpFilesList == null) { 10617 return; 10618 } 10619 for (int i = 0; i < tmpFilesList.length; i++) { 10620 final File tmpFile = new File(directory, tmpFilesList[i]); 10621 tmpFile.delete(); 10622 } 10623 } 10624 10625 private File createTempPackageFile(File installDir) { 10626 File tmpPackageFile; 10627 try { 10628 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10629 } catch (IOException e) { 10630 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10631 return null; 10632 } 10633 try { 10634 FileUtils.setPermissions( 10635 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10636 -1, -1); 10637 if (!SELinux.restorecon(tmpPackageFile)) { 10638 return null; 10639 } 10640 } catch (IOException e) { 10641 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10642 return null; 10643 } 10644 return tmpPackageFile; 10645 } 10646 10647 @Override 10648 public void deletePackageAsUser(final String packageName, 10649 final IPackageDeleteObserver observer, 10650 final int userId, final int flags) { 10651 mContext.enforceCallingOrSelfPermission( 10652 android.Manifest.permission.DELETE_PACKAGES, null); 10653 final int uid = Binder.getCallingUid(); 10654 if (UserHandle.getUserId(uid) != userId) { 10655 mContext.enforceCallingPermission( 10656 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10657 "deletePackage for user " + userId); 10658 } 10659 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10660 try { 10661 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10662 } catch (RemoteException re) { 10663 } 10664 return; 10665 } 10666 10667 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10668 // Queue up an async operation since the package deletion may take a little while. 10669 mHandler.post(new Runnable() { 10670 public void run() { 10671 mHandler.removeCallbacks(this); 10672 final int returnCode = deletePackageX(packageName, userId, flags); 10673 if (observer != null) { 10674 try { 10675 observer.packageDeleted(packageName, returnCode); 10676 } catch (RemoteException e) { 10677 Log.i(TAG, "Observer no longer exists."); 10678 } //end catch 10679 } //end if 10680 } //end run 10681 }); 10682 } 10683 10684 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10685 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10686 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10687 try { 10688 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10689 || dpm.isDeviceOwner(packageName))) { 10690 return true; 10691 } 10692 } catch (RemoteException e) { 10693 } 10694 return false; 10695 } 10696 10697 /** 10698 * This method is an internal method that could be get invoked either 10699 * to delete an installed package or to clean up a failed installation. 10700 * After deleting an installed package, a broadcast is sent to notify any 10701 * listeners that the package has been installed. For cleaning up a failed 10702 * installation, the broadcast is not necessary since the package's 10703 * installation wouldn't have sent the initial broadcast either 10704 * The key steps in deleting a package are 10705 * deleting the package information in internal structures like mPackages, 10706 * deleting the packages base directories through installd 10707 * updating mSettings to reflect current status 10708 * persisting settings for later use 10709 * sending a broadcast if necessary 10710 */ 10711 private int deletePackageX(String packageName, int userId, int flags) { 10712 final PackageRemovedInfo info = new PackageRemovedInfo(); 10713 final boolean res; 10714 10715 if (isPackageDeviceAdmin(packageName, userId)) { 10716 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10717 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10718 } 10719 10720 boolean removedForAllUsers = false; 10721 boolean systemUpdate = false; 10722 10723 // for the uninstall-updates case and restricted profiles, remember the per- 10724 // userhandle installed state 10725 int[] allUsers; 10726 boolean[] perUserInstalled; 10727 synchronized (mPackages) { 10728 PackageSetting ps = mSettings.mPackages.get(packageName); 10729 allUsers = sUserManager.getUserIds(); 10730 perUserInstalled = new boolean[allUsers.length]; 10731 for (int i = 0; i < allUsers.length; i++) { 10732 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10733 } 10734 } 10735 10736 synchronized (mInstallLock) { 10737 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10738 res = deletePackageLI(packageName, 10739 (flags & PackageManager.DELETE_ALL_USERS) != 0 10740 ? UserHandle.ALL : new UserHandle(userId), 10741 true, allUsers, perUserInstalled, 10742 flags | REMOVE_CHATTY, info, true); 10743 systemUpdate = info.isRemovedPackageSystemUpdate; 10744 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10745 removedForAllUsers = true; 10746 } 10747 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10748 + " removedForAllUsers=" + removedForAllUsers); 10749 } 10750 10751 if (res) { 10752 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10753 10754 // If the removed package was a system update, the old system package 10755 // was re-enabled; we need to broadcast this information 10756 if (systemUpdate) { 10757 Bundle extras = new Bundle(1); 10758 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10759 ? info.removedAppId : info.uid); 10760 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10761 10762 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10763 extras, null, null, null); 10764 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10765 extras, null, null, null); 10766 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10767 null, packageName, null, null); 10768 } 10769 } 10770 // Force a gc here. 10771 Runtime.getRuntime().gc(); 10772 // Delete the resources here after sending the broadcast to let 10773 // other processes clean up before deleting resources. 10774 if (info.args != null) { 10775 synchronized (mInstallLock) { 10776 info.args.doPostDeleteLI(true); 10777 } 10778 } 10779 10780 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10781 } 10782 10783 static class PackageRemovedInfo { 10784 String removedPackage; 10785 int uid = -1; 10786 int removedAppId = -1; 10787 int[] removedUsers = null; 10788 boolean isRemovedPackageSystemUpdate = false; 10789 // Clean up resources deleted packages. 10790 InstallArgs args = null; 10791 10792 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10793 Bundle extras = new Bundle(1); 10794 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10795 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10796 if (replacing) { 10797 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10798 } 10799 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10800 if (removedPackage != null) { 10801 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10802 extras, null, null, removedUsers); 10803 if (fullRemove && !replacing) { 10804 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10805 extras, null, null, removedUsers); 10806 } 10807 } 10808 if (removedAppId >= 0) { 10809 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10810 removedUsers); 10811 } 10812 } 10813 } 10814 10815 /* 10816 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10817 * flag is not set, the data directory is removed as well. 10818 * make sure this flag is set for partially installed apps. If not its meaningless to 10819 * delete a partially installed application. 10820 */ 10821 private void removePackageDataLI(PackageSetting ps, 10822 int[] allUserHandles, boolean[] perUserInstalled, 10823 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10824 String packageName = ps.name; 10825 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10826 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10827 // Retrieve object to delete permissions for shared user later on 10828 final PackageSetting deletedPs; 10829 // reader 10830 synchronized (mPackages) { 10831 deletedPs = mSettings.mPackages.get(packageName); 10832 if (outInfo != null) { 10833 outInfo.removedPackage = packageName; 10834 outInfo.removedUsers = deletedPs != null 10835 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10836 : null; 10837 } 10838 } 10839 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10840 removeDataDirsLI(packageName); 10841 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10842 } 10843 // writer 10844 synchronized (mPackages) { 10845 if (deletedPs != null) { 10846 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10847 if (outInfo != null) { 10848 mSettings.mKeySetManagerService.removeAppKeySetData(packageName); 10849 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10850 } 10851 if (deletedPs != null) { 10852 updatePermissionsLPw(deletedPs.name, null, 0); 10853 if (deletedPs.sharedUser != null) { 10854 // remove permissions associated with package 10855 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10856 } 10857 } 10858 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10859 } 10860 // make sure to preserve per-user disabled state if this removal was just 10861 // a downgrade of a system app to the factory package 10862 if (allUserHandles != null && perUserInstalled != null) { 10863 if (DEBUG_REMOVE) { 10864 Slog.d(TAG, "Propagating install state across downgrade"); 10865 } 10866 for (int i = 0; i < allUserHandles.length; i++) { 10867 if (DEBUG_REMOVE) { 10868 Slog.d(TAG, " user " + allUserHandles[i] 10869 + " => " + perUserInstalled[i]); 10870 } 10871 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10872 } 10873 } 10874 } 10875 // can downgrade to reader 10876 if (writeSettings) { 10877 // Save settings now 10878 mSettings.writeLPr(); 10879 } 10880 } 10881 if (outInfo != null) { 10882 // A user ID was deleted here. Go through all users and remove it 10883 // from KeyStore. 10884 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10885 } 10886 } 10887 10888 static boolean locationIsPrivileged(File path) { 10889 try { 10890 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10891 .getCanonicalPath(); 10892 return path.getCanonicalPath().startsWith(privilegedAppDir); 10893 } catch (IOException e) { 10894 Slog.e(TAG, "Unable to access code path " + path); 10895 } 10896 return false; 10897 } 10898 10899 /* 10900 * Tries to delete system package. 10901 */ 10902 private boolean deleteSystemPackageLI(PackageSetting newPs, 10903 int[] allUserHandles, boolean[] perUserInstalled, 10904 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10905 final boolean applyUserRestrictions 10906 = (allUserHandles != null) && (perUserInstalled != null); 10907 PackageSetting disabledPs = null; 10908 // Confirm if the system package has been updated 10909 // An updated system app can be deleted. This will also have to restore 10910 // the system pkg from system partition 10911 // reader 10912 synchronized (mPackages) { 10913 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10914 } 10915 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10916 + " disabledPs=" + disabledPs); 10917 if (disabledPs == null) { 10918 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10919 return false; 10920 } else if (DEBUG_REMOVE) { 10921 Slog.d(TAG, "Deleting system pkg from data partition"); 10922 } 10923 if (DEBUG_REMOVE) { 10924 if (applyUserRestrictions) { 10925 Slog.d(TAG, "Remembering install states:"); 10926 for (int i = 0; i < allUserHandles.length; i++) { 10927 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10928 } 10929 } 10930 } 10931 // Delete the updated package 10932 outInfo.isRemovedPackageSystemUpdate = true; 10933 if (disabledPs.versionCode < newPs.versionCode) { 10934 // Delete data for downgrades 10935 flags &= ~PackageManager.DELETE_KEEP_DATA; 10936 } else { 10937 // Preserve data by setting flag 10938 flags |= PackageManager.DELETE_KEEP_DATA; 10939 } 10940 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10941 allUserHandles, perUserInstalled, outInfo, writeSettings); 10942 if (!ret) { 10943 return false; 10944 } 10945 // writer 10946 synchronized (mPackages) { 10947 // Reinstate the old system package 10948 mSettings.enableSystemPackageLPw(newPs.name); 10949 // Remove any native libraries from the upgraded package. 10950 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10951 } 10952 // Install the system package 10953 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10954 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10955 if (locationIsPrivileged(disabledPs.codePath)) { 10956 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10957 } 10958 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10959 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10960 10961 if (newPkg == null) { 10962 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10963 + " with error:" + mLastScanError); 10964 return false; 10965 } 10966 // writer 10967 synchronized (mPackages) { 10968 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10969 setInternalAppNativeLibraryPath(newPkg, ps); 10970 updatePermissionsLPw(newPkg.packageName, newPkg, 10971 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10972 if (applyUserRestrictions) { 10973 if (DEBUG_REMOVE) { 10974 Slog.d(TAG, "Propagating install state across reinstall"); 10975 } 10976 for (int i = 0; i < allUserHandles.length; i++) { 10977 if (DEBUG_REMOVE) { 10978 Slog.d(TAG, " user " + allUserHandles[i] 10979 + " => " + perUserInstalled[i]); 10980 } 10981 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10982 } 10983 // Regardless of writeSettings we need to ensure that this restriction 10984 // state propagation is persisted 10985 mSettings.writeAllUsersPackageRestrictionsLPr(); 10986 } 10987 // can downgrade to reader here 10988 if (writeSettings) { 10989 mSettings.writeLPr(); 10990 } 10991 } 10992 return true; 10993 } 10994 10995 private boolean deleteInstalledPackageLI(PackageSetting ps, 10996 boolean deleteCodeAndResources, int flags, 10997 int[] allUserHandles, boolean[] perUserInstalled, 10998 PackageRemovedInfo outInfo, boolean writeSettings) { 10999 if (outInfo != null) { 11000 outInfo.uid = ps.appId; 11001 } 11002 11003 // Delete package data from internal structures and also remove data if flag is set 11004 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 11005 11006 // Delete application code and resources 11007 if (deleteCodeAndResources && (outInfo != null)) { 11008 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 11009 ps.resourcePathString, ps.nativeLibraryPathString, 11010 getAppInstructionSetFromSettings(ps)); 11011 } 11012 return true; 11013 } 11014 11015 /* 11016 * This method handles package deletion in general 11017 */ 11018 private boolean deletePackageLI(String packageName, UserHandle user, 11019 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11020 int flags, PackageRemovedInfo outInfo, 11021 boolean writeSettings) { 11022 if (packageName == null) { 11023 Slog.w(TAG, "Attempt to delete null packageName."); 11024 return false; 11025 } 11026 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11027 PackageSetting ps; 11028 boolean dataOnly = false; 11029 int removeUser = -1; 11030 int appId = -1; 11031 synchronized (mPackages) { 11032 ps = mSettings.mPackages.get(packageName); 11033 if (ps == null) { 11034 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11035 return false; 11036 } 11037 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11038 && user.getIdentifier() != UserHandle.USER_ALL) { 11039 // The caller is asking that the package only be deleted for a single 11040 // user. To do this, we just mark its uninstalled state and delete 11041 // its data. If this is a system app, we only allow this to happen if 11042 // they have set the special DELETE_SYSTEM_APP which requests different 11043 // semantics than normal for uninstalling system apps. 11044 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11045 ps.setUserState(user.getIdentifier(), 11046 COMPONENT_ENABLED_STATE_DEFAULT, 11047 false, //installed 11048 true, //stopped 11049 true, //notLaunched 11050 false, //blocked 11051 null, null, null); 11052 if (!isSystemApp(ps)) { 11053 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11054 // Other user still have this package installed, so all 11055 // we need to do is clear this user's data and save that 11056 // it is uninstalled. 11057 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11058 removeUser = user.getIdentifier(); 11059 appId = ps.appId; 11060 mSettings.writePackageRestrictionsLPr(removeUser); 11061 } else { 11062 // We need to set it back to 'installed' so the uninstall 11063 // broadcasts will be sent correctly. 11064 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11065 ps.setInstalled(true, user.getIdentifier()); 11066 } 11067 } else { 11068 // This is a system app, so we assume that the 11069 // other users still have this package installed, so all 11070 // we need to do is clear this user's data and save that 11071 // it is uninstalled. 11072 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11073 removeUser = user.getIdentifier(); 11074 appId = ps.appId; 11075 mSettings.writePackageRestrictionsLPr(removeUser); 11076 } 11077 } 11078 } 11079 11080 if (removeUser >= 0) { 11081 // From above, we determined that we are deleting this only 11082 // for a single user. Continue the work here. 11083 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11084 if (outInfo != null) { 11085 outInfo.removedPackage = packageName; 11086 outInfo.removedAppId = appId; 11087 outInfo.removedUsers = new int[] {removeUser}; 11088 } 11089 mInstaller.clearUserData(packageName, removeUser); 11090 removeKeystoreDataIfNeeded(removeUser, appId); 11091 schedulePackageCleaning(packageName, removeUser, false); 11092 return true; 11093 } 11094 11095 if (dataOnly) { 11096 // Delete application data first 11097 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11098 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11099 return true; 11100 } 11101 11102 boolean ret = false; 11103 if (isSystemApp(ps)) { 11104 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11105 // When an updated system application is deleted we delete the existing resources as well and 11106 // fall back to existing code in system partition 11107 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11108 flags, outInfo, writeSettings); 11109 } else { 11110 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11111 // Kill application pre-emptively especially for apps on sd. 11112 killApplication(packageName, ps.appId, "uninstall pkg"); 11113 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11114 allUserHandles, perUserInstalled, 11115 outInfo, writeSettings); 11116 } 11117 11118 return ret; 11119 } 11120 11121 private final class ClearStorageConnection implements ServiceConnection { 11122 IMediaContainerService mContainerService; 11123 11124 @Override 11125 public void onServiceConnected(ComponentName name, IBinder service) { 11126 synchronized (this) { 11127 mContainerService = IMediaContainerService.Stub.asInterface(service); 11128 notifyAll(); 11129 } 11130 } 11131 11132 @Override 11133 public void onServiceDisconnected(ComponentName name) { 11134 } 11135 } 11136 11137 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11138 final boolean mounted; 11139 if (Environment.isExternalStorageEmulated()) { 11140 mounted = true; 11141 } else { 11142 final String status = Environment.getExternalStorageState(); 11143 11144 mounted = status.equals(Environment.MEDIA_MOUNTED) 11145 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11146 } 11147 11148 if (!mounted) { 11149 return; 11150 } 11151 11152 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11153 int[] users; 11154 if (userId == UserHandle.USER_ALL) { 11155 users = sUserManager.getUserIds(); 11156 } else { 11157 users = new int[] { userId }; 11158 } 11159 final ClearStorageConnection conn = new ClearStorageConnection(); 11160 if (mContext.bindServiceAsUser( 11161 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11162 try { 11163 for (int curUser : users) { 11164 long timeout = SystemClock.uptimeMillis() + 5000; 11165 synchronized (conn) { 11166 long now = SystemClock.uptimeMillis(); 11167 while (conn.mContainerService == null && now < timeout) { 11168 try { 11169 conn.wait(timeout - now); 11170 } catch (InterruptedException e) { 11171 } 11172 } 11173 } 11174 if (conn.mContainerService == null) { 11175 return; 11176 } 11177 11178 final UserEnvironment userEnv = new UserEnvironment(curUser); 11179 clearDirectory(conn.mContainerService, 11180 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11181 if (allData) { 11182 clearDirectory(conn.mContainerService, 11183 userEnv.buildExternalStorageAppDataDirs(packageName)); 11184 clearDirectory(conn.mContainerService, 11185 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11186 } 11187 } 11188 } finally { 11189 mContext.unbindService(conn); 11190 } 11191 } 11192 } 11193 11194 @Override 11195 public void clearApplicationUserData(final String packageName, 11196 final IPackageDataObserver observer, final int userId) { 11197 mContext.enforceCallingOrSelfPermission( 11198 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11199 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 11200 // Queue up an async operation since the package deletion may take a little while. 11201 mHandler.post(new Runnable() { 11202 public void run() { 11203 mHandler.removeCallbacks(this); 11204 final boolean succeeded; 11205 synchronized (mInstallLock) { 11206 succeeded = clearApplicationUserDataLI(packageName, userId); 11207 } 11208 clearExternalStorageDataSync(packageName, userId, true); 11209 if (succeeded) { 11210 // invoke DeviceStorageMonitor's update method to clear any notifications 11211 DeviceStorageMonitorInternal 11212 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11213 if (dsm != null) { 11214 dsm.checkMemory(); 11215 } 11216 } 11217 if(observer != null) { 11218 try { 11219 observer.onRemoveCompleted(packageName, succeeded); 11220 } catch (RemoteException e) { 11221 Log.i(TAG, "Observer no longer exists."); 11222 } 11223 } //end if observer 11224 } //end run 11225 }); 11226 } 11227 11228 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11229 if (packageName == null) { 11230 Slog.w(TAG, "Attempt to delete null packageName."); 11231 return false; 11232 } 11233 PackageParser.Package p; 11234 boolean dataOnly = false; 11235 final int appId; 11236 synchronized (mPackages) { 11237 p = mPackages.get(packageName); 11238 if (p == null) { 11239 dataOnly = true; 11240 PackageSetting ps = mSettings.mPackages.get(packageName); 11241 if ((ps == null) || (ps.pkg == null)) { 11242 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11243 return false; 11244 } 11245 p = ps.pkg; 11246 } 11247 if (!dataOnly) { 11248 // need to check this only for fully installed applications 11249 if (p == null) { 11250 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11251 return false; 11252 } 11253 final ApplicationInfo applicationInfo = p.applicationInfo; 11254 if (applicationInfo == null) { 11255 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11256 return false; 11257 } 11258 } 11259 if (p != null && p.applicationInfo != null) { 11260 appId = p.applicationInfo.uid; 11261 } else { 11262 appId = -1; 11263 } 11264 } 11265 int retCode = mInstaller.clearUserData(packageName, userId); 11266 if (retCode < 0) { 11267 Slog.w(TAG, "Couldn't remove cache files for package: " 11268 + packageName); 11269 return false; 11270 } 11271 removeKeystoreDataIfNeeded(userId, appId); 11272 return true; 11273 } 11274 11275 /** 11276 * Remove entries from the keystore daemon. Will only remove it if the 11277 * {@code appId} is valid. 11278 */ 11279 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11280 if (appId < 0) { 11281 return; 11282 } 11283 11284 final KeyStore keyStore = KeyStore.getInstance(); 11285 if (keyStore != null) { 11286 if (userId == UserHandle.USER_ALL) { 11287 for (final int individual : sUserManager.getUserIds()) { 11288 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11289 } 11290 } else { 11291 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11292 } 11293 } else { 11294 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11295 } 11296 } 11297 11298 @Override 11299 public void deleteApplicationCacheFiles(final String packageName, 11300 final IPackageDataObserver observer) { 11301 mContext.enforceCallingOrSelfPermission( 11302 android.Manifest.permission.DELETE_CACHE_FILES, null); 11303 // Queue up an async operation since the package deletion may take a little while. 11304 final int userId = UserHandle.getCallingUserId(); 11305 mHandler.post(new Runnable() { 11306 public void run() { 11307 mHandler.removeCallbacks(this); 11308 final boolean succeded; 11309 synchronized (mInstallLock) { 11310 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11311 } 11312 clearExternalStorageDataSync(packageName, userId, false); 11313 if(observer != null) { 11314 try { 11315 observer.onRemoveCompleted(packageName, succeded); 11316 } catch (RemoteException e) { 11317 Log.i(TAG, "Observer no longer exists."); 11318 } 11319 } //end if observer 11320 } //end run 11321 }); 11322 } 11323 11324 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11325 if (packageName == null) { 11326 Slog.w(TAG, "Attempt to delete null packageName."); 11327 return false; 11328 } 11329 PackageParser.Package p; 11330 synchronized (mPackages) { 11331 p = mPackages.get(packageName); 11332 } 11333 if (p == null) { 11334 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11335 return false; 11336 } 11337 final ApplicationInfo applicationInfo = p.applicationInfo; 11338 if (applicationInfo == null) { 11339 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11340 return false; 11341 } 11342 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11343 if (retCode < 0) { 11344 Slog.w(TAG, "Couldn't remove cache files for package: " 11345 + packageName + " u" + userId); 11346 return false; 11347 } 11348 return true; 11349 } 11350 11351 @Override 11352 public void getPackageSizeInfo(final String packageName, int userHandle, 11353 final IPackageStatsObserver observer) { 11354 mContext.enforceCallingOrSelfPermission( 11355 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11356 if (packageName == null) { 11357 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11358 } 11359 11360 PackageStats stats = new PackageStats(packageName, userHandle); 11361 11362 /* 11363 * Queue up an async operation since the package measurement may take a 11364 * little while. 11365 */ 11366 Message msg = mHandler.obtainMessage(INIT_COPY); 11367 msg.obj = new MeasureParams(stats, observer); 11368 mHandler.sendMessage(msg); 11369 } 11370 11371 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11372 PackageStats pStats) { 11373 if (packageName == null) { 11374 Slog.w(TAG, "Attempt to get size of null packageName."); 11375 return false; 11376 } 11377 PackageParser.Package p; 11378 boolean dataOnly = false; 11379 String libDirPath = null; 11380 String asecPath = null; 11381 PackageSetting ps = null; 11382 synchronized (mPackages) { 11383 p = mPackages.get(packageName); 11384 ps = mSettings.mPackages.get(packageName); 11385 if(p == null) { 11386 dataOnly = true; 11387 if((ps == null) || (ps.pkg == null)) { 11388 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11389 return false; 11390 } 11391 p = ps.pkg; 11392 } 11393 if (ps != null) { 11394 libDirPath = ps.nativeLibraryPathString; 11395 } 11396 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11397 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11398 if (secureContainerId != null) { 11399 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11400 } 11401 } 11402 } 11403 String publicSrcDir = null; 11404 if(!dataOnly) { 11405 final ApplicationInfo applicationInfo = p.applicationInfo; 11406 if (applicationInfo == null) { 11407 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11408 return false; 11409 } 11410 if (isForwardLocked(p)) { 11411 publicSrcDir = applicationInfo.publicSourceDir; 11412 } 11413 } 11414 int res = mInstaller.getSizeInfo(packageName, userHandle, p.codePath, libDirPath, 11415 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11416 pStats); 11417 if (res < 0) { 11418 return false; 11419 } 11420 11421 // Fix-up for forward-locked applications in ASEC containers. 11422 if (!isExternal(p)) { 11423 pStats.codeSize += pStats.externalCodeSize; 11424 pStats.externalCodeSize = 0L; 11425 } 11426 11427 return true; 11428 } 11429 11430 11431 @Override 11432 public void addPackageToPreferred(String packageName) { 11433 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11434 } 11435 11436 @Override 11437 public void removePackageFromPreferred(String packageName) { 11438 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11439 } 11440 11441 @Override 11442 public List<PackageInfo> getPreferredPackages(int flags) { 11443 return new ArrayList<PackageInfo>(); 11444 } 11445 11446 private int getUidTargetSdkVersionLockedLPr(int uid) { 11447 Object obj = mSettings.getUserIdLPr(uid); 11448 if (obj instanceof SharedUserSetting) { 11449 final SharedUserSetting sus = (SharedUserSetting) obj; 11450 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11451 final Iterator<PackageSetting> it = sus.packages.iterator(); 11452 while (it.hasNext()) { 11453 final PackageSetting ps = it.next(); 11454 if (ps.pkg != null) { 11455 int v = ps.pkg.applicationInfo.targetSdkVersion; 11456 if (v < vers) vers = v; 11457 } 11458 } 11459 return vers; 11460 } else if (obj instanceof PackageSetting) { 11461 final PackageSetting ps = (PackageSetting) obj; 11462 if (ps.pkg != null) { 11463 return ps.pkg.applicationInfo.targetSdkVersion; 11464 } 11465 } 11466 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11467 } 11468 11469 @Override 11470 public void addPreferredActivity(IntentFilter filter, int match, 11471 ComponentName[] set, ComponentName activity, int userId) { 11472 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11473 } 11474 11475 private void addPreferredActivityInternal(IntentFilter filter, int match, 11476 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11477 // writer 11478 int callingUid = Binder.getCallingUid(); 11479 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11480 if (filter.countActions() == 0) { 11481 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11482 return; 11483 } 11484 synchronized (mPackages) { 11485 if (mContext.checkCallingOrSelfPermission( 11486 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11487 != PackageManager.PERMISSION_GRANTED) { 11488 if (getUidTargetSdkVersionLockedLPr(callingUid) 11489 < Build.VERSION_CODES.FROYO) { 11490 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11491 + callingUid); 11492 return; 11493 } 11494 mContext.enforceCallingOrSelfPermission( 11495 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11496 } 11497 11498 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11499 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11500 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11501 new PreferredActivity(filter, match, set, activity, always)); 11502 mSettings.writePackageRestrictionsLPr(userId); 11503 } 11504 } 11505 11506 @Override 11507 public void replacePreferredActivity(IntentFilter filter, int match, 11508 ComponentName[] set, ComponentName activity) { 11509 if (filter.countActions() != 1) { 11510 throw new IllegalArgumentException( 11511 "replacePreferredActivity expects filter to have only 1 action."); 11512 } 11513 if (filter.countDataAuthorities() != 0 11514 || filter.countDataPaths() != 0 11515 || filter.countDataSchemes() > 1 11516 || filter.countDataTypes() != 0) { 11517 throw new IllegalArgumentException( 11518 "replacePreferredActivity expects filter to have no data authorities, " + 11519 "paths, or types; and at most one scheme."); 11520 } 11521 synchronized (mPackages) { 11522 if (mContext.checkCallingOrSelfPermission( 11523 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11524 != PackageManager.PERMISSION_GRANTED) { 11525 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11526 < Build.VERSION_CODES.FROYO) { 11527 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11528 + Binder.getCallingUid()); 11529 return; 11530 } 11531 mContext.enforceCallingOrSelfPermission( 11532 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11533 } 11534 11535 final int callingUserId = UserHandle.getCallingUserId(); 11536 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11537 if (pir != null) { 11538 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11539 if (filter.countDataSchemes() == 1) { 11540 Uri.Builder builder = new Uri.Builder(); 11541 builder.scheme(filter.getDataScheme(0)); 11542 intent.setData(builder.build()); 11543 } 11544 List<PreferredActivity> matches = pir.queryIntent( 11545 intent, null, true, callingUserId); 11546 if (DEBUG_PREFERRED) { 11547 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11548 } 11549 for (int i = 0; i < matches.size(); i++) { 11550 PreferredActivity pa = matches.get(i); 11551 if (DEBUG_PREFERRED) { 11552 Slog.i(TAG, "Removing preferred activity " 11553 + pa.mPref.mComponent + ":"); 11554 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11555 } 11556 pir.removeFilter(pa); 11557 } 11558 } 11559 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11560 } 11561 } 11562 11563 @Override 11564 public void clearPackagePreferredActivities(String packageName) { 11565 final int uid = Binder.getCallingUid(); 11566 // writer 11567 synchronized (mPackages) { 11568 PackageParser.Package pkg = mPackages.get(packageName); 11569 if (pkg == null || pkg.applicationInfo.uid != uid) { 11570 if (mContext.checkCallingOrSelfPermission( 11571 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11572 != PackageManager.PERMISSION_GRANTED) { 11573 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11574 < Build.VERSION_CODES.FROYO) { 11575 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11576 + Binder.getCallingUid()); 11577 return; 11578 } 11579 mContext.enforceCallingOrSelfPermission( 11580 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11581 } 11582 } 11583 11584 int user = UserHandle.getCallingUserId(); 11585 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11586 mSettings.writePackageRestrictionsLPr(user); 11587 scheduleWriteSettingsLocked(); 11588 } 11589 } 11590 } 11591 11592 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11593 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11594 ArrayList<PreferredActivity> removed = null; 11595 boolean changed = false; 11596 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11597 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11598 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11599 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11600 continue; 11601 } 11602 Iterator<PreferredActivity> it = pir.filterIterator(); 11603 while (it.hasNext()) { 11604 PreferredActivity pa = it.next(); 11605 // Mark entry for removal only if it matches the package name 11606 // and the entry is of type "always". 11607 if (packageName == null || 11608 (pa.mPref.mComponent.getPackageName().equals(packageName) 11609 && pa.mPref.mAlways)) { 11610 if (removed == null) { 11611 removed = new ArrayList<PreferredActivity>(); 11612 } 11613 removed.add(pa); 11614 } 11615 } 11616 if (removed != null) { 11617 for (int j=0; j<removed.size(); j++) { 11618 PreferredActivity pa = removed.get(j); 11619 pir.removeFilter(pa); 11620 } 11621 changed = true; 11622 } 11623 } 11624 return changed; 11625 } 11626 11627 @Override 11628 public void resetPreferredActivities(int userId) { 11629 mContext.enforceCallingOrSelfPermission( 11630 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11631 // writer 11632 synchronized (mPackages) { 11633 int user = UserHandle.getCallingUserId(); 11634 clearPackagePreferredActivitiesLPw(null, user); 11635 mSettings.readDefaultPreferredAppsLPw(this, user); 11636 mSettings.writePackageRestrictionsLPr(user); 11637 scheduleWriteSettingsLocked(); 11638 } 11639 } 11640 11641 @Override 11642 public int getPreferredActivities(List<IntentFilter> outFilters, 11643 List<ComponentName> outActivities, String packageName) { 11644 11645 int num = 0; 11646 final int userId = UserHandle.getCallingUserId(); 11647 // reader 11648 synchronized (mPackages) { 11649 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11650 if (pir != null) { 11651 final Iterator<PreferredActivity> it = pir.filterIterator(); 11652 while (it.hasNext()) { 11653 final PreferredActivity pa = it.next(); 11654 if (packageName == null 11655 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11656 && pa.mPref.mAlways)) { 11657 if (outFilters != null) { 11658 outFilters.add(new IntentFilter(pa)); 11659 } 11660 if (outActivities != null) { 11661 outActivities.add(pa.mPref.mComponent); 11662 } 11663 } 11664 } 11665 } 11666 } 11667 11668 return num; 11669 } 11670 11671 @Override 11672 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11673 int userId) { 11674 int callingUid = Binder.getCallingUid(); 11675 if (callingUid != Process.SYSTEM_UID) { 11676 throw new SecurityException( 11677 "addPersistentPreferredActivity can only be run by the system"); 11678 } 11679 if (filter.countActions() == 0) { 11680 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11681 return; 11682 } 11683 synchronized (mPackages) { 11684 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11685 " :"); 11686 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11687 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11688 new PersistentPreferredActivity(filter, activity)); 11689 mSettings.writePackageRestrictionsLPr(userId); 11690 } 11691 } 11692 11693 @Override 11694 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11695 int callingUid = Binder.getCallingUid(); 11696 if (callingUid != Process.SYSTEM_UID) { 11697 throw new SecurityException( 11698 "clearPackagePersistentPreferredActivities can only be run by the system"); 11699 } 11700 ArrayList<PersistentPreferredActivity> removed = null; 11701 boolean changed = false; 11702 synchronized (mPackages) { 11703 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11704 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11705 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11706 .valueAt(i); 11707 if (userId != thisUserId) { 11708 continue; 11709 } 11710 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11711 while (it.hasNext()) { 11712 PersistentPreferredActivity ppa = it.next(); 11713 // Mark entry for removal only if it matches the package name. 11714 if (ppa.mComponent.getPackageName().equals(packageName)) { 11715 if (removed == null) { 11716 removed = new ArrayList<PersistentPreferredActivity>(); 11717 } 11718 removed.add(ppa); 11719 } 11720 } 11721 if (removed != null) { 11722 for (int j=0; j<removed.size(); j++) { 11723 PersistentPreferredActivity ppa = removed.get(j); 11724 ppir.removeFilter(ppa); 11725 } 11726 changed = true; 11727 } 11728 } 11729 11730 if (changed) { 11731 mSettings.writePackageRestrictionsLPr(userId); 11732 } 11733 } 11734 } 11735 11736 @Override 11737 public void addCrossProfileIntentFilter(IntentFilter intentFilter, int sourceUserId, 11738 int targetUserId, int flags) { 11739 mContext.enforceCallingOrSelfPermission( 11740 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11741 if (intentFilter.countActions() == 0) { 11742 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11743 return; 11744 } 11745 synchronized (mPackages) { 11746 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11747 targetUserId, flags); 11748 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11749 mSettings.writePackageRestrictionsLPr(sourceUserId); 11750 } 11751 } 11752 11753 public void addCrossProfileIntentsForPackage(String packageName, 11754 int sourceUserId, int targetUserId) { 11755 mContext.enforceCallingOrSelfPermission( 11756 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11757 mSettings.addCrossProfilePackage(packageName, sourceUserId, targetUserId); 11758 mSettings.writePackageRestrictionsLPr(sourceUserId); 11759 } 11760 11761 public void removeCrossProfileIntentsForPackage(String packageName, 11762 int sourceUserId, int targetUserId) { 11763 mContext.enforceCallingOrSelfPermission( 11764 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11765 mSettings.removeCrossProfilePackage(packageName, sourceUserId, targetUserId); 11766 mSettings.writePackageRestrictionsLPr(sourceUserId); 11767 } 11768 11769 @Override 11770 public void clearCrossProfileIntentFilters(int sourceUserId) { 11771 mContext.enforceCallingOrSelfPermission( 11772 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11773 synchronized (mPackages) { 11774 CrossProfileIntentResolver resolver = 11775 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11776 HashSet<CrossProfileIntentFilter> set = 11777 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11778 for (CrossProfileIntentFilter filter : set) { 11779 if ((filter.getFlags() & PackageManager.SET_BY_PROFILE_OWNER) != 0) { 11780 resolver.removeFilter(filter); 11781 } 11782 } 11783 mSettings.writePackageRestrictionsLPr(sourceUserId); 11784 } 11785 } 11786 11787 @Override 11788 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11789 Intent intent = new Intent(Intent.ACTION_MAIN); 11790 intent.addCategory(Intent.CATEGORY_HOME); 11791 11792 final int callingUserId = UserHandle.getCallingUserId(); 11793 List<ResolveInfo> list = queryIntentActivities(intent, null, 11794 PackageManager.GET_META_DATA, callingUserId); 11795 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11796 true, false, false, callingUserId); 11797 11798 allHomeCandidates.clear(); 11799 if (list != null) { 11800 for (ResolveInfo ri : list) { 11801 allHomeCandidates.add(ri); 11802 } 11803 } 11804 return (preferred == null || preferred.activityInfo == null) 11805 ? null 11806 : new ComponentName(preferred.activityInfo.packageName, 11807 preferred.activityInfo.name); 11808 } 11809 11810 @Override 11811 public void setApplicationEnabledSetting(String appPackageName, 11812 int newState, int flags, int userId, String callingPackage) { 11813 if (!sUserManager.exists(userId)) return; 11814 if (callingPackage == null) { 11815 callingPackage = Integer.toString(Binder.getCallingUid()); 11816 } 11817 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11818 } 11819 11820 @Override 11821 public void setComponentEnabledSetting(ComponentName componentName, 11822 int newState, int flags, int userId) { 11823 if (!sUserManager.exists(userId)) return; 11824 setEnabledSetting(componentName.getPackageName(), 11825 componentName.getClassName(), newState, flags, userId, null); 11826 } 11827 11828 private void setEnabledSetting(final String packageName, String className, int newState, 11829 final int flags, int userId, String callingPackage) { 11830 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11831 || newState == COMPONENT_ENABLED_STATE_ENABLED 11832 || newState == COMPONENT_ENABLED_STATE_DISABLED 11833 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11834 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11835 throw new IllegalArgumentException("Invalid new component state: " 11836 + newState); 11837 } 11838 PackageSetting pkgSetting; 11839 final int uid = Binder.getCallingUid(); 11840 final int permission = mContext.checkCallingOrSelfPermission( 11841 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11842 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11843 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11844 boolean sendNow = false; 11845 boolean isApp = (className == null); 11846 String componentName = isApp ? packageName : className; 11847 int packageUid = -1; 11848 ArrayList<String> components; 11849 11850 // writer 11851 synchronized (mPackages) { 11852 pkgSetting = mSettings.mPackages.get(packageName); 11853 if (pkgSetting == null) { 11854 if (className == null) { 11855 throw new IllegalArgumentException( 11856 "Unknown package: " + packageName); 11857 } 11858 throw new IllegalArgumentException( 11859 "Unknown component: " + packageName 11860 + "/" + className); 11861 } 11862 // Allow root and verify that userId is not being specified by a different user 11863 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11864 throw new SecurityException( 11865 "Permission Denial: attempt to change component state from pid=" 11866 + Binder.getCallingPid() 11867 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11868 } 11869 if (className == null) { 11870 // We're dealing with an application/package level state change 11871 if (pkgSetting.getEnabled(userId) == newState) { 11872 // Nothing to do 11873 return; 11874 } 11875 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11876 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11877 // Don't care about who enables an app. 11878 callingPackage = null; 11879 } 11880 pkgSetting.setEnabled(newState, userId, callingPackage); 11881 // pkgSetting.pkg.mSetEnabled = newState; 11882 } else { 11883 // We're dealing with a component level state change 11884 // First, verify that this is a valid class name. 11885 PackageParser.Package pkg = pkgSetting.pkg; 11886 if (pkg == null || !pkg.hasComponentClassName(className)) { 11887 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11888 throw new IllegalArgumentException("Component class " + className 11889 + " does not exist in " + packageName); 11890 } else { 11891 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11892 + className + " does not exist in " + packageName); 11893 } 11894 } 11895 switch (newState) { 11896 case COMPONENT_ENABLED_STATE_ENABLED: 11897 if (!pkgSetting.enableComponentLPw(className, userId)) { 11898 return; 11899 } 11900 break; 11901 case COMPONENT_ENABLED_STATE_DISABLED: 11902 if (!pkgSetting.disableComponentLPw(className, userId)) { 11903 return; 11904 } 11905 break; 11906 case COMPONENT_ENABLED_STATE_DEFAULT: 11907 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11908 return; 11909 } 11910 break; 11911 default: 11912 Slog.e(TAG, "Invalid new component state: " + newState); 11913 return; 11914 } 11915 } 11916 mSettings.writePackageRestrictionsLPr(userId); 11917 components = mPendingBroadcasts.get(userId, packageName); 11918 final boolean newPackage = components == null; 11919 if (newPackage) { 11920 components = new ArrayList<String>(); 11921 } 11922 if (!components.contains(componentName)) { 11923 components.add(componentName); 11924 } 11925 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11926 sendNow = true; 11927 // Purge entry from pending broadcast list if another one exists already 11928 // since we are sending one right away. 11929 mPendingBroadcasts.remove(userId, packageName); 11930 } else { 11931 if (newPackage) { 11932 mPendingBroadcasts.put(userId, packageName, components); 11933 } 11934 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11935 // Schedule a message 11936 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11937 } 11938 } 11939 } 11940 11941 long callingId = Binder.clearCallingIdentity(); 11942 try { 11943 if (sendNow) { 11944 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11945 sendPackageChangedBroadcast(packageName, 11946 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11947 } 11948 } finally { 11949 Binder.restoreCallingIdentity(callingId); 11950 } 11951 } 11952 11953 private void sendPackageChangedBroadcast(String packageName, 11954 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11955 if (DEBUG_INSTALL) 11956 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11957 + componentNames); 11958 Bundle extras = new Bundle(4); 11959 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11960 String nameList[] = new String[componentNames.size()]; 11961 componentNames.toArray(nameList); 11962 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11963 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11964 extras.putInt(Intent.EXTRA_UID, packageUid); 11965 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11966 new int[] {UserHandle.getUserId(packageUid)}); 11967 } 11968 11969 @Override 11970 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11971 if (!sUserManager.exists(userId)) return; 11972 final int uid = Binder.getCallingUid(); 11973 final int permission = mContext.checkCallingOrSelfPermission( 11974 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11975 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11976 enforceCrossUserPermission(uid, userId, true, "stop package"); 11977 // writer 11978 synchronized (mPackages) { 11979 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11980 uid, userId)) { 11981 scheduleWritePackageRestrictionsLocked(userId); 11982 } 11983 } 11984 } 11985 11986 @Override 11987 public String getInstallerPackageName(String packageName) { 11988 // reader 11989 synchronized (mPackages) { 11990 return mSettings.getInstallerPackageNameLPr(packageName); 11991 } 11992 } 11993 11994 @Override 11995 public int getApplicationEnabledSetting(String packageName, int userId) { 11996 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11997 int uid = Binder.getCallingUid(); 11998 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11999 // reader 12000 synchronized (mPackages) { 12001 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12002 } 12003 } 12004 12005 @Override 12006 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12007 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12008 int uid = Binder.getCallingUid(); 12009 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 12010 // reader 12011 synchronized (mPackages) { 12012 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12013 } 12014 } 12015 12016 @Override 12017 public void enterSafeMode() { 12018 enforceSystemOrRoot("Only the system can request entering safe mode"); 12019 12020 if (!mSystemReady) { 12021 mSafeMode = true; 12022 } 12023 } 12024 12025 @Override 12026 public void systemReady() { 12027 mSystemReady = true; 12028 12029 // Read the compatibilty setting when the system is ready. 12030 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12031 mContext.getContentResolver(), 12032 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12033 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12034 if (DEBUG_SETTINGS) { 12035 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12036 } 12037 12038 synchronized (mPackages) { 12039 // Verify that all of the preferred activity components actually 12040 // exist. It is possible for applications to be updated and at 12041 // that point remove a previously declared activity component that 12042 // had been set as a preferred activity. We try to clean this up 12043 // the next time we encounter that preferred activity, but it is 12044 // possible for the user flow to never be able to return to that 12045 // situation so here we do a sanity check to make sure we haven't 12046 // left any junk around. 12047 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12048 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12049 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12050 removed.clear(); 12051 for (PreferredActivity pa : pir.filterSet()) { 12052 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12053 removed.add(pa); 12054 } 12055 } 12056 if (removed.size() > 0) { 12057 for (int r=0; r<removed.size(); r++) { 12058 PreferredActivity pa = removed.get(r); 12059 Slog.w(TAG, "Removing dangling preferred activity: " 12060 + pa.mPref.mComponent); 12061 pir.removeFilter(pa); 12062 } 12063 mSettings.writePackageRestrictionsLPr( 12064 mSettings.mPreferredActivities.keyAt(i)); 12065 } 12066 } 12067 } 12068 sUserManager.systemReady(); 12069 } 12070 12071 @Override 12072 public boolean isSafeMode() { 12073 return mSafeMode; 12074 } 12075 12076 @Override 12077 public boolean hasSystemUidErrors() { 12078 return mHasSystemUidErrors; 12079 } 12080 12081 static String arrayToString(int[] array) { 12082 StringBuffer buf = new StringBuffer(128); 12083 buf.append('['); 12084 if (array != null) { 12085 for (int i=0; i<array.length; i++) { 12086 if (i > 0) buf.append(", "); 12087 buf.append(array[i]); 12088 } 12089 } 12090 buf.append(']'); 12091 return buf.toString(); 12092 } 12093 12094 static class DumpState { 12095 public static final int DUMP_LIBS = 1 << 0; 12096 12097 public static final int DUMP_FEATURES = 1 << 1; 12098 12099 public static final int DUMP_RESOLVERS = 1 << 2; 12100 12101 public static final int DUMP_PERMISSIONS = 1 << 3; 12102 12103 public static final int DUMP_PACKAGES = 1 << 4; 12104 12105 public static final int DUMP_SHARED_USERS = 1 << 5; 12106 12107 public static final int DUMP_MESSAGES = 1 << 6; 12108 12109 public static final int DUMP_PROVIDERS = 1 << 7; 12110 12111 public static final int DUMP_VERIFIERS = 1 << 8; 12112 12113 public static final int DUMP_PREFERRED = 1 << 9; 12114 12115 public static final int DUMP_PREFERRED_XML = 1 << 10; 12116 12117 public static final int DUMP_KEYSETS = 1 << 11; 12118 12119 public static final int DUMP_VERSION = 1 << 12; 12120 12121 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12122 12123 private int mTypes; 12124 12125 private int mOptions; 12126 12127 private boolean mTitlePrinted; 12128 12129 private SharedUserSetting mSharedUser; 12130 12131 public boolean isDumping(int type) { 12132 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12133 return true; 12134 } 12135 12136 return (mTypes & type) != 0; 12137 } 12138 12139 public void setDump(int type) { 12140 mTypes |= type; 12141 } 12142 12143 public boolean isOptionEnabled(int option) { 12144 return (mOptions & option) != 0; 12145 } 12146 12147 public void setOptionEnabled(int option) { 12148 mOptions |= option; 12149 } 12150 12151 public boolean onTitlePrinted() { 12152 final boolean printed = mTitlePrinted; 12153 mTitlePrinted = true; 12154 return printed; 12155 } 12156 12157 public boolean getTitlePrinted() { 12158 return mTitlePrinted; 12159 } 12160 12161 public void setTitlePrinted(boolean enabled) { 12162 mTitlePrinted = enabled; 12163 } 12164 12165 public SharedUserSetting getSharedUser() { 12166 return mSharedUser; 12167 } 12168 12169 public void setSharedUser(SharedUserSetting user) { 12170 mSharedUser = user; 12171 } 12172 } 12173 12174 @Override 12175 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12176 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12177 != PackageManager.PERMISSION_GRANTED) { 12178 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12179 + Binder.getCallingPid() 12180 + ", uid=" + Binder.getCallingUid() 12181 + " without permission " 12182 + android.Manifest.permission.DUMP); 12183 return; 12184 } 12185 12186 DumpState dumpState = new DumpState(); 12187 boolean fullPreferred = false; 12188 boolean checkin = false; 12189 12190 String packageName = null; 12191 12192 int opti = 0; 12193 while (opti < args.length) { 12194 String opt = args[opti]; 12195 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12196 break; 12197 } 12198 opti++; 12199 if ("-a".equals(opt)) { 12200 // Right now we only know how to print all. 12201 } else if ("-h".equals(opt)) { 12202 pw.println("Package manager dump options:"); 12203 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12204 pw.println(" --checkin: dump for a checkin"); 12205 pw.println(" -f: print details of intent filters"); 12206 pw.println(" -h: print this help"); 12207 pw.println(" cmd may be one of:"); 12208 pw.println(" l[ibraries]: list known shared libraries"); 12209 pw.println(" f[ibraries]: list device features"); 12210 pw.println(" k[eysets]: print known keysets"); 12211 pw.println(" r[esolvers]: dump intent resolvers"); 12212 pw.println(" perm[issions]: dump permissions"); 12213 pw.println(" pref[erred]: print preferred package settings"); 12214 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12215 pw.println(" prov[iders]: dump content providers"); 12216 pw.println(" p[ackages]: dump installed packages"); 12217 pw.println(" s[hared-users]: dump shared user IDs"); 12218 pw.println(" m[essages]: print collected runtime messages"); 12219 pw.println(" v[erifiers]: print package verifier info"); 12220 pw.println(" version: print database version info"); 12221 pw.println(" write: write current settings now"); 12222 pw.println(" <package.name>: info about given package"); 12223 return; 12224 } else if ("--checkin".equals(opt)) { 12225 checkin = true; 12226 } else if ("-f".equals(opt)) { 12227 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12228 } else { 12229 pw.println("Unknown argument: " + opt + "; use -h for help"); 12230 } 12231 } 12232 12233 // Is the caller requesting to dump a particular piece of data? 12234 if (opti < args.length) { 12235 String cmd = args[opti]; 12236 opti++; 12237 // Is this a package name? 12238 if ("android".equals(cmd) || cmd.contains(".")) { 12239 packageName = cmd; 12240 // When dumping a single package, we always dump all of its 12241 // filter information since the amount of data will be reasonable. 12242 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12243 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12244 dumpState.setDump(DumpState.DUMP_LIBS); 12245 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12246 dumpState.setDump(DumpState.DUMP_FEATURES); 12247 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12248 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12249 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12250 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12251 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12252 dumpState.setDump(DumpState.DUMP_PREFERRED); 12253 } else if ("preferred-xml".equals(cmd)) { 12254 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12255 if (opti < args.length && "--full".equals(args[opti])) { 12256 fullPreferred = true; 12257 opti++; 12258 } 12259 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12260 dumpState.setDump(DumpState.DUMP_PACKAGES); 12261 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12262 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12263 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12264 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12265 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12266 dumpState.setDump(DumpState.DUMP_MESSAGES); 12267 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12268 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12269 } else if ("version".equals(cmd)) { 12270 dumpState.setDump(DumpState.DUMP_VERSION); 12271 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12272 dumpState.setDump(DumpState.DUMP_KEYSETS); 12273 } else if ("write".equals(cmd)) { 12274 synchronized (mPackages) { 12275 mSettings.writeLPr(); 12276 pw.println("Settings written."); 12277 return; 12278 } 12279 } 12280 } 12281 12282 if (checkin) { 12283 pw.println("vers,1"); 12284 } 12285 12286 // reader 12287 synchronized (mPackages) { 12288 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12289 if (!checkin) { 12290 if (dumpState.onTitlePrinted()) 12291 pw.println(); 12292 pw.println("Database versions:"); 12293 pw.print(" SDK Version:"); 12294 pw.print(" internal="); 12295 pw.print(mSettings.mInternalSdkPlatform); 12296 pw.print(" external="); 12297 pw.println(mSettings.mExternalSdkPlatform); 12298 pw.print(" DB Version:"); 12299 pw.print(" internal="); 12300 pw.print(mSettings.mInternalDatabaseVersion); 12301 pw.print(" external="); 12302 pw.println(mSettings.mExternalDatabaseVersion); 12303 } 12304 } 12305 12306 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12307 if (!checkin) { 12308 if (dumpState.onTitlePrinted()) 12309 pw.println(); 12310 pw.println("Verifiers:"); 12311 pw.print(" Required: "); 12312 pw.print(mRequiredVerifierPackage); 12313 pw.print(" (uid="); 12314 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12315 pw.println(")"); 12316 } else if (mRequiredVerifierPackage != null) { 12317 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12318 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12319 } 12320 } 12321 12322 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12323 boolean printedHeader = false; 12324 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12325 while (it.hasNext()) { 12326 String name = it.next(); 12327 SharedLibraryEntry ent = mSharedLibraries.get(name); 12328 if (!checkin) { 12329 if (!printedHeader) { 12330 if (dumpState.onTitlePrinted()) 12331 pw.println(); 12332 pw.println("Libraries:"); 12333 printedHeader = true; 12334 } 12335 pw.print(" "); 12336 } else { 12337 pw.print("lib,"); 12338 } 12339 pw.print(name); 12340 if (!checkin) { 12341 pw.print(" -> "); 12342 } 12343 if (ent.path != null) { 12344 if (!checkin) { 12345 pw.print("(jar) "); 12346 pw.print(ent.path); 12347 } else { 12348 pw.print(",jar,"); 12349 pw.print(ent.path); 12350 } 12351 } else { 12352 if (!checkin) { 12353 pw.print("(apk) "); 12354 pw.print(ent.apk); 12355 } else { 12356 pw.print(",apk,"); 12357 pw.print(ent.apk); 12358 } 12359 } 12360 pw.println(); 12361 } 12362 } 12363 12364 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12365 if (dumpState.onTitlePrinted()) 12366 pw.println(); 12367 if (!checkin) { 12368 pw.println("Features:"); 12369 } 12370 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12371 while (it.hasNext()) { 12372 String name = it.next(); 12373 if (!checkin) { 12374 pw.print(" "); 12375 } else { 12376 pw.print("feat,"); 12377 } 12378 pw.println(name); 12379 } 12380 } 12381 12382 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12383 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12384 : "Activity Resolver Table:", " ", packageName, 12385 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12386 dumpState.setTitlePrinted(true); 12387 } 12388 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12389 : "Receiver Resolver Table:", " ", packageName, 12390 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12391 dumpState.setTitlePrinted(true); 12392 } 12393 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12394 : "Service Resolver Table:", " ", packageName, 12395 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12396 dumpState.setTitlePrinted(true); 12397 } 12398 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12399 : "Provider Resolver Table:", " ", packageName, 12400 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12401 dumpState.setTitlePrinted(true); 12402 } 12403 } 12404 12405 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12406 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12407 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12408 int user = mSettings.mPreferredActivities.keyAt(i); 12409 if (pir.dump(pw, 12410 dumpState.getTitlePrinted() 12411 ? "\nPreferred Activities User " + user + ":" 12412 : "Preferred Activities User " + user + ":", " ", 12413 packageName, true)) { 12414 dumpState.setTitlePrinted(true); 12415 } 12416 } 12417 } 12418 12419 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12420 pw.flush(); 12421 FileOutputStream fout = new FileOutputStream(fd); 12422 BufferedOutputStream str = new BufferedOutputStream(fout); 12423 XmlSerializer serializer = new FastXmlSerializer(); 12424 try { 12425 serializer.setOutput(str, "utf-8"); 12426 serializer.startDocument(null, true); 12427 serializer.setFeature( 12428 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12429 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12430 serializer.endDocument(); 12431 serializer.flush(); 12432 } catch (IllegalArgumentException e) { 12433 pw.println("Failed writing: " + e); 12434 } catch (IllegalStateException e) { 12435 pw.println("Failed writing: " + e); 12436 } catch (IOException e) { 12437 pw.println("Failed writing: " + e); 12438 } 12439 } 12440 12441 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12442 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12443 } 12444 12445 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12446 boolean printedSomething = false; 12447 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12448 if (packageName != null && !packageName.equals(p.info.packageName)) { 12449 continue; 12450 } 12451 if (!printedSomething) { 12452 if (dumpState.onTitlePrinted()) 12453 pw.println(); 12454 pw.println("Registered ContentProviders:"); 12455 printedSomething = true; 12456 } 12457 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12458 pw.print(" "); pw.println(p.toString()); 12459 } 12460 printedSomething = false; 12461 for (Map.Entry<String, PackageParser.Provider> entry : 12462 mProvidersByAuthority.entrySet()) { 12463 PackageParser.Provider p = entry.getValue(); 12464 if (packageName != null && !packageName.equals(p.info.packageName)) { 12465 continue; 12466 } 12467 if (!printedSomething) { 12468 if (dumpState.onTitlePrinted()) 12469 pw.println(); 12470 pw.println("ContentProvider Authorities:"); 12471 printedSomething = true; 12472 } 12473 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12474 pw.print(" "); pw.println(p.toString()); 12475 if (p.info != null && p.info.applicationInfo != null) { 12476 final String appInfo = p.info.applicationInfo.toString(); 12477 pw.print(" applicationInfo="); pw.println(appInfo); 12478 } 12479 } 12480 } 12481 12482 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12483 mSettings.mKeySetManagerService.dump(pw, packageName, dumpState); 12484 } 12485 12486 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12487 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12488 } 12489 12490 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12491 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12492 } 12493 12494 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12495 if (dumpState.onTitlePrinted()) 12496 pw.println(); 12497 mSettings.dumpReadMessagesLPr(pw, dumpState); 12498 12499 pw.println(); 12500 pw.println("Package warning messages:"); 12501 final File fname = getSettingsProblemFile(); 12502 FileInputStream in = null; 12503 try { 12504 in = new FileInputStream(fname); 12505 final int avail = in.available(); 12506 final byte[] data = new byte[avail]; 12507 in.read(data); 12508 pw.print(new String(data)); 12509 } catch (FileNotFoundException e) { 12510 } catch (IOException e) { 12511 } finally { 12512 if (in != null) { 12513 try { 12514 in.close(); 12515 } catch (IOException e) { 12516 } 12517 } 12518 } 12519 } 12520 } 12521 } 12522 12523 // ------- apps on sdcard specific code ------- 12524 static final boolean DEBUG_SD_INSTALL = false; 12525 12526 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12527 12528 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12529 12530 private boolean mMediaMounted = false; 12531 12532 private String getEncryptKey() { 12533 try { 12534 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12535 SD_ENCRYPTION_KEYSTORE_NAME); 12536 if (sdEncKey == null) { 12537 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12538 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12539 if (sdEncKey == null) { 12540 Slog.e(TAG, "Failed to create encryption keys"); 12541 return null; 12542 } 12543 } 12544 return sdEncKey; 12545 } catch (NoSuchAlgorithmException nsae) { 12546 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12547 return null; 12548 } catch (IOException ioe) { 12549 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12550 return null; 12551 } 12552 12553 } 12554 12555 /* package */static String getTempContainerId() { 12556 int tmpIdx = 1; 12557 String list[] = PackageHelper.getSecureContainerList(); 12558 if (list != null) { 12559 for (final String name : list) { 12560 // Ignore null and non-temporary container entries 12561 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12562 continue; 12563 } 12564 12565 String subStr = name.substring(mTempContainerPrefix.length()); 12566 try { 12567 int cid = Integer.parseInt(subStr); 12568 if (cid >= tmpIdx) { 12569 tmpIdx = cid + 1; 12570 } 12571 } catch (NumberFormatException e) { 12572 } 12573 } 12574 } 12575 return mTempContainerPrefix + tmpIdx; 12576 } 12577 12578 /* 12579 * Update media status on PackageManager. 12580 */ 12581 @Override 12582 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12583 int callingUid = Binder.getCallingUid(); 12584 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12585 throw new SecurityException("Media status can only be updated by the system"); 12586 } 12587 // reader; this apparently protects mMediaMounted, but should probably 12588 // be a different lock in that case. 12589 synchronized (mPackages) { 12590 Log.i(TAG, "Updating external media status from " 12591 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12592 + (mediaStatus ? "mounted" : "unmounted")); 12593 if (DEBUG_SD_INSTALL) 12594 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12595 + ", mMediaMounted=" + mMediaMounted); 12596 if (mediaStatus == mMediaMounted) { 12597 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12598 : 0, -1); 12599 mHandler.sendMessage(msg); 12600 return; 12601 } 12602 mMediaMounted = mediaStatus; 12603 } 12604 // Queue up an async operation since the package installation may take a 12605 // little while. 12606 mHandler.post(new Runnable() { 12607 public void run() { 12608 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12609 } 12610 }); 12611 } 12612 12613 /** 12614 * Called by MountService when the initial ASECs to scan are available. 12615 * Should block until all the ASEC containers are finished being scanned. 12616 */ 12617 public void scanAvailableAsecs() { 12618 updateExternalMediaStatusInner(true, false, false); 12619 if (mShouldRestoreconData) { 12620 SELinuxMMAC.setRestoreconDone(); 12621 mShouldRestoreconData = false; 12622 } 12623 } 12624 12625 /* 12626 * Collect information of applications on external media, map them against 12627 * existing containers and update information based on current mount status. 12628 * Please note that we always have to report status if reportStatus has been 12629 * set to true especially when unloading packages. 12630 */ 12631 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12632 boolean externalStorage) { 12633 // Collection of uids 12634 int uidArr[] = null; 12635 // Collection of stale containers 12636 HashSet<String> removeCids = new HashSet<String>(); 12637 // Collection of packages on external media with valid containers. 12638 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12639 // Get list of secure containers. 12640 final String list[] = PackageHelper.getSecureContainerList(); 12641 if (list == null || list.length == 0) { 12642 Log.i(TAG, "No secure containers on sdcard"); 12643 } else { 12644 // Process list of secure containers and categorize them 12645 // as active or stale based on their package internal state. 12646 int uidList[] = new int[list.length]; 12647 int num = 0; 12648 // reader 12649 synchronized (mPackages) { 12650 for (String cid : list) { 12651 if (DEBUG_SD_INSTALL) 12652 Log.i(TAG, "Processing container " + cid); 12653 String pkgName = getAsecPackageName(cid); 12654 if (pkgName == null) { 12655 if (DEBUG_SD_INSTALL) 12656 Log.i(TAG, "Container : " + cid + " stale"); 12657 removeCids.add(cid); 12658 continue; 12659 } 12660 if (DEBUG_SD_INSTALL) 12661 Log.i(TAG, "Looking for pkg : " + pkgName); 12662 12663 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12664 if (ps == null) { 12665 Log.i(TAG, "Deleting container with no matching settings " + cid); 12666 removeCids.add(cid); 12667 continue; 12668 } 12669 12670 /* 12671 * Skip packages that are not external if we're unmounting 12672 * external storage. 12673 */ 12674 if (externalStorage && !isMounted && !isExternal(ps)) { 12675 continue; 12676 } 12677 12678 final AsecInstallArgs args = new AsecInstallArgs(cid, 12679 getAppInstructionSetFromSettings(ps), 12680 isForwardLocked(ps)); 12681 // The package status is changed only if the code path 12682 // matches between settings and the container id. 12683 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12684 if (DEBUG_SD_INSTALL) { 12685 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12686 + " at code path: " + ps.codePathString); 12687 } 12688 12689 // We do have a valid package installed on sdcard 12690 processCids.put(args, ps.codePathString); 12691 final int uid = ps.appId; 12692 if (uid != -1) { 12693 uidList[num++] = uid; 12694 } 12695 } else { 12696 Log.i(TAG, "Deleting stale container for " + cid); 12697 removeCids.add(cid); 12698 } 12699 } 12700 } 12701 12702 if (num > 0) { 12703 // Sort uid list 12704 Arrays.sort(uidList, 0, num); 12705 // Throw away duplicates 12706 uidArr = new int[num]; 12707 uidArr[0] = uidList[0]; 12708 int di = 0; 12709 for (int i = 1; i < num; i++) { 12710 if (uidList[i - 1] != uidList[i]) { 12711 uidArr[di++] = uidList[i]; 12712 } 12713 } 12714 } 12715 } 12716 // Process packages with valid entries. 12717 if (isMounted) { 12718 if (DEBUG_SD_INSTALL) 12719 Log.i(TAG, "Loading packages"); 12720 loadMediaPackages(processCids, uidArr, removeCids); 12721 startCleaningPackages(); 12722 } else { 12723 if (DEBUG_SD_INSTALL) 12724 Log.i(TAG, "Unloading packages"); 12725 unloadMediaPackages(processCids, uidArr, reportStatus); 12726 } 12727 } 12728 12729 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12730 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12731 int size = pkgList.size(); 12732 if (size > 0) { 12733 // Send broadcasts here 12734 Bundle extras = new Bundle(); 12735 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12736 .toArray(new String[size])); 12737 if (uidArr != null) { 12738 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12739 } 12740 if (replacing) { 12741 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12742 } 12743 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12744 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12745 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12746 } 12747 } 12748 12749 /* 12750 * Look at potentially valid container ids from processCids If package 12751 * information doesn't match the one on record or package scanning fails, 12752 * the cid is added to list of removeCids. We currently don't delete stale 12753 * containers. 12754 */ 12755 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12756 HashSet<String> removeCids) { 12757 ArrayList<String> pkgList = new ArrayList<String>(); 12758 Set<AsecInstallArgs> keys = processCids.keySet(); 12759 boolean doGc = false; 12760 for (AsecInstallArgs args : keys) { 12761 String codePath = processCids.get(args); 12762 if (DEBUG_SD_INSTALL) 12763 Log.i(TAG, "Loading container : " + args.cid); 12764 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12765 try { 12766 // Make sure there are no container errors first. 12767 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12768 Slog.e(TAG, "Failed to mount cid : " + args.cid 12769 + " when installing from sdcard"); 12770 continue; 12771 } 12772 // Check code path here. 12773 if (codePath == null || !codePath.equals(args.getCodePath())) { 12774 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12775 + " does not match one in settings " + codePath); 12776 continue; 12777 } 12778 // Parse package 12779 int parseFlags = mDefParseFlags; 12780 if (args.isExternal()) { 12781 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12782 } 12783 if (args.isFwdLocked()) { 12784 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12785 } 12786 12787 doGc = true; 12788 synchronized (mInstallLock) { 12789 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12790 0, 0, null, null); 12791 // Scan the package 12792 if (pkg != null) { 12793 /* 12794 * TODO why is the lock being held? doPostInstall is 12795 * called in other places without the lock. This needs 12796 * to be straightened out. 12797 */ 12798 // writer 12799 synchronized (mPackages) { 12800 retCode = PackageManager.INSTALL_SUCCEEDED; 12801 pkgList.add(pkg.packageName); 12802 // Post process args 12803 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12804 pkg.applicationInfo.uid); 12805 } 12806 } else { 12807 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12808 } 12809 } 12810 12811 } finally { 12812 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12813 // Don't destroy container here. Wait till gc clears things 12814 // up. 12815 removeCids.add(args.cid); 12816 } 12817 } 12818 } 12819 // writer 12820 synchronized (mPackages) { 12821 // If the platform SDK has changed since the last time we booted, 12822 // we need to re-grant app permission to catch any new ones that 12823 // appear. This is really a hack, and means that apps can in some 12824 // cases get permissions that the user didn't initially explicitly 12825 // allow... it would be nice to have some better way to handle 12826 // this situation. 12827 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12828 if (regrantPermissions) 12829 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12830 + mSdkVersion + "; regranting permissions for external storage"); 12831 mSettings.mExternalSdkPlatform = mSdkVersion; 12832 12833 // Make sure group IDs have been assigned, and any permission 12834 // changes in other apps are accounted for 12835 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12836 | (regrantPermissions 12837 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12838 : 0)); 12839 12840 mSettings.updateExternalDatabaseVersion(); 12841 12842 // can downgrade to reader 12843 // Persist settings 12844 mSettings.writeLPr(); 12845 } 12846 // Send a broadcast to let everyone know we are done processing 12847 if (pkgList.size() > 0) { 12848 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12849 } 12850 // Force gc to avoid any stale parser references that we might have. 12851 if (doGc) { 12852 Runtime.getRuntime().gc(); 12853 } 12854 // List stale containers and destroy stale temporary containers. 12855 if (removeCids != null) { 12856 for (String cid : removeCids) { 12857 if (cid.startsWith(mTempContainerPrefix)) { 12858 Log.i(TAG, "Destroying stale temporary container " + cid); 12859 PackageHelper.destroySdDir(cid); 12860 } else { 12861 Log.w(TAG, "Container " + cid + " is stale"); 12862 } 12863 } 12864 } 12865 } 12866 12867 /* 12868 * Utility method to unload a list of specified containers 12869 */ 12870 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12871 // Just unmount all valid containers. 12872 for (AsecInstallArgs arg : cidArgs) { 12873 synchronized (mInstallLock) { 12874 arg.doPostDeleteLI(false); 12875 } 12876 } 12877 } 12878 12879 /* 12880 * Unload packages mounted on external media. This involves deleting package 12881 * data from internal structures, sending broadcasts about diabled packages, 12882 * gc'ing to free up references, unmounting all secure containers 12883 * corresponding to packages on external media, and posting a 12884 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12885 * that we always have to post this message if status has been requested no 12886 * matter what. 12887 */ 12888 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12889 final boolean reportStatus) { 12890 if (DEBUG_SD_INSTALL) 12891 Log.i(TAG, "unloading media packages"); 12892 ArrayList<String> pkgList = new ArrayList<String>(); 12893 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12894 final Set<AsecInstallArgs> keys = processCids.keySet(); 12895 for (AsecInstallArgs args : keys) { 12896 String pkgName = args.getPackageName(); 12897 if (DEBUG_SD_INSTALL) 12898 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12899 // Delete package internally 12900 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12901 synchronized (mInstallLock) { 12902 boolean res = deletePackageLI(pkgName, null, false, null, null, 12903 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12904 if (res) { 12905 pkgList.add(pkgName); 12906 } else { 12907 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12908 failedList.add(args); 12909 } 12910 } 12911 } 12912 12913 // reader 12914 synchronized (mPackages) { 12915 // We didn't update the settings after removing each package; 12916 // write them now for all packages. 12917 mSettings.writeLPr(); 12918 } 12919 12920 // We have to absolutely send UPDATED_MEDIA_STATUS only 12921 // after confirming that all the receivers processed the ordered 12922 // broadcast when packages get disabled, force a gc to clean things up. 12923 // and unload all the containers. 12924 if (pkgList.size() > 0) { 12925 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12926 new IIntentReceiver.Stub() { 12927 public void performReceive(Intent intent, int resultCode, String data, 12928 Bundle extras, boolean ordered, boolean sticky, 12929 int sendingUser) throws RemoteException { 12930 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12931 reportStatus ? 1 : 0, 1, keys); 12932 mHandler.sendMessage(msg); 12933 } 12934 }); 12935 } else { 12936 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12937 keys); 12938 mHandler.sendMessage(msg); 12939 } 12940 } 12941 12942 /** Binder call */ 12943 @Override 12944 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12945 final int flags) { 12946 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12947 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12948 int returnCode = PackageManager.MOVE_SUCCEEDED; 12949 int currFlags = 0; 12950 int newFlags = 0; 12951 // reader 12952 synchronized (mPackages) { 12953 PackageParser.Package pkg = mPackages.get(packageName); 12954 if (pkg == null) { 12955 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12956 } else { 12957 // Disable moving fwd locked apps and system packages 12958 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12959 Slog.w(TAG, "Cannot move system application"); 12960 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12961 } else if (pkg.mOperationPending) { 12962 Slog.w(TAG, "Attempt to move package which has pending operations"); 12963 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12964 } else { 12965 // Find install location first 12966 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12967 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12968 Slog.w(TAG, "Ambigous flags specified for move location."); 12969 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12970 } else { 12971 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12972 : PackageManager.INSTALL_INTERNAL; 12973 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12974 : PackageManager.INSTALL_INTERNAL; 12975 12976 if (newFlags == currFlags) { 12977 Slog.w(TAG, "No move required. Trying to move to same location"); 12978 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12979 } else { 12980 if (isForwardLocked(pkg)) { 12981 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12982 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12983 } 12984 } 12985 } 12986 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12987 pkg.mOperationPending = true; 12988 } 12989 } 12990 } 12991 12992 /* 12993 * TODO this next block probably shouldn't be inside the lock. We 12994 * can't guarantee these won't change after this is fired off 12995 * anyway. 12996 */ 12997 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12998 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12999 null, -1, user), 13000 returnCode); 13001 } else { 13002 Message msg = mHandler.obtainMessage(INIT_COPY); 13003 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 13004 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 13005 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 13006 instructionSet); 13007 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 13008 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 13009 msg.obj = mp; 13010 mHandler.sendMessage(msg); 13011 } 13012 } 13013 } 13014 13015 private void processPendingMove(final MoveParams mp, final int currentStatus) { 13016 // Queue up an async operation since the package deletion may take a 13017 // little while. 13018 mHandler.post(new Runnable() { 13019 public void run() { 13020 // TODO fix this; this does nothing. 13021 mHandler.removeCallbacks(this); 13022 int returnCode = currentStatus; 13023 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 13024 int uidArr[] = null; 13025 ArrayList<String> pkgList = null; 13026 synchronized (mPackages) { 13027 PackageParser.Package pkg = mPackages.get(mp.packageName); 13028 if (pkg == null) { 13029 Slog.w(TAG, " Package " + mp.packageName 13030 + " doesn't exist. Aborting move"); 13031 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13032 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 13033 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 13034 + mp.srcArgs.getCodePath() + " to " 13035 + pkg.applicationInfo.sourceDir 13036 + " Aborting move and returning error"); 13037 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 13038 } else { 13039 uidArr = new int[] { 13040 pkg.applicationInfo.uid 13041 }; 13042 pkgList = new ArrayList<String>(); 13043 pkgList.add(mp.packageName); 13044 } 13045 } 13046 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13047 // Send resources unavailable broadcast 13048 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 13049 // Update package code and resource paths 13050 synchronized (mInstallLock) { 13051 synchronized (mPackages) { 13052 PackageParser.Package pkg = mPackages.get(mp.packageName); 13053 // Recheck for package again. 13054 if (pkg == null) { 13055 Slog.w(TAG, " Package " + mp.packageName 13056 + " doesn't exist. Aborting move"); 13057 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13058 } else if (!mp.srcArgs.getCodePath().equals( 13059 pkg.applicationInfo.sourceDir)) { 13060 Slog.w(TAG, "Package " + mp.packageName 13061 + " code path changed from " + mp.srcArgs.getCodePath() 13062 + " to " + pkg.applicationInfo.sourceDir 13063 + " Aborting move and returning error"); 13064 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 13065 } else { 13066 final String oldCodePath = pkg.codePath; 13067 final String newCodePath = mp.targetArgs.getCodePath(); 13068 final String newResPath = mp.targetArgs.getResourcePath(); 13069 final String newNativePath = mp.targetArgs 13070 .getNativeLibraryPath(); 13071 13072 final File newNativeDir = new File(newNativePath); 13073 13074 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 13075 // NOTE: We do not report any errors from the APK scan and library 13076 // copy at this point. 13077 NativeLibraryHelper.ApkHandle handle = 13078 new NativeLibraryHelper.ApkHandle(newCodePath); 13079 final int abi = NativeLibraryHelper.findSupportedAbi( 13080 handle, Build.SUPPORTED_ABIS); 13081 if (abi >= 0) { 13082 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 13083 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 13084 } 13085 handle.close(); 13086 } 13087 final int[] users = sUserManager.getUserIds(); 13088 for (int user : users) { 13089 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 13090 newNativePath, user) < 0) { 13091 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 13092 } 13093 } 13094 13095 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13096 pkg.codePath = newCodePath; 13097 // Move dex files around 13098 if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) { 13099 // Moving of dex files failed. Set 13100 // error code and abort move. 13101 pkg.codePath = oldCodePath; 13102 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 13103 } 13104 } 13105 13106 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13107 pkg.applicationInfo.sourceDir = newCodePath; 13108 pkg.applicationInfo.publicSourceDir = newResPath; 13109 pkg.applicationInfo.nativeLibraryDir = newNativePath; 13110 PackageSetting ps = (PackageSetting) pkg.mExtras; 13111 ps.codePath = new File(pkg.applicationInfo.sourceDir); 13112 ps.codePathString = ps.codePath.getPath(); 13113 ps.resourcePath = new File( 13114 pkg.applicationInfo.publicSourceDir); 13115 ps.resourcePathString = ps.resourcePath.getPath(); 13116 ps.nativeLibraryPathString = newNativePath; 13117 // Set the application info flag 13118 // correctly. 13119 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 13120 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 13121 } else { 13122 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 13123 } 13124 ps.setFlags(pkg.applicationInfo.flags); 13125 mAppDirs.remove(oldCodePath); 13126 mAppDirs.put(newCodePath, pkg); 13127 // Persist settings 13128 mSettings.writeLPr(); 13129 } 13130 } 13131 } 13132 } 13133 // Send resources available broadcast 13134 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 13135 } 13136 } 13137 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13138 // Clean up failed installation 13139 if (mp.targetArgs != null) { 13140 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 13141 -1); 13142 } 13143 } else { 13144 // Force a gc to clear things up. 13145 Runtime.getRuntime().gc(); 13146 // Delete older code 13147 synchronized (mInstallLock) { 13148 mp.srcArgs.doPostDeleteLI(true); 13149 } 13150 } 13151 13152 // Allow more operations on this file if we didn't fail because 13153 // an operation was already pending for this package. 13154 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 13155 synchronized (mPackages) { 13156 PackageParser.Package pkg = mPackages.get(mp.packageName); 13157 if (pkg != null) { 13158 pkg.mOperationPending = false; 13159 } 13160 } 13161 } 13162 13163 IPackageMoveObserver observer = mp.observer; 13164 if (observer != null) { 13165 try { 13166 observer.packageMoved(mp.packageName, returnCode); 13167 } catch (RemoteException e) { 13168 Log.i(TAG, "Observer no longer exists."); 13169 } 13170 } 13171 } 13172 }); 13173 } 13174 13175 @Override 13176 public boolean setInstallLocation(int loc) { 13177 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13178 null); 13179 if (getInstallLocation() == loc) { 13180 return true; 13181 } 13182 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13183 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13184 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13185 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13186 return true; 13187 } 13188 return false; 13189 } 13190 13191 @Override 13192 public int getInstallLocation() { 13193 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13194 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13195 PackageHelper.APP_INSTALL_AUTO); 13196 } 13197 13198 /** Called by UserManagerService */ 13199 void cleanUpUserLILPw(int userHandle) { 13200 mDirtyUsers.remove(userHandle); 13201 mSettings.removeUserLPr(userHandle); 13202 mPendingBroadcasts.remove(userHandle); 13203 if (mInstaller != null) { 13204 // Technically, we shouldn't be doing this with the package lock 13205 // held. However, this is very rare, and there is already so much 13206 // other disk I/O going on, that we'll let it slide for now. 13207 mInstaller.removeUserDataDirs(userHandle); 13208 } 13209 } 13210 13211 /** Called by UserManagerService */ 13212 void createNewUserLILPw(int userHandle, File path) { 13213 if (mInstaller != null) { 13214 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13215 } 13216 } 13217 13218 @Override 13219 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13220 mContext.enforceCallingOrSelfPermission( 13221 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13222 "Only package verification agents can read the verifier device identity"); 13223 13224 synchronized (mPackages) { 13225 return mSettings.getVerifierDeviceIdentityLPw(); 13226 } 13227 } 13228 13229 @Override 13230 public void setPermissionEnforced(String permission, boolean enforced) { 13231 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13232 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13233 synchronized (mPackages) { 13234 if (mSettings.mReadExternalStorageEnforced == null 13235 || mSettings.mReadExternalStorageEnforced != enforced) { 13236 mSettings.mReadExternalStorageEnforced = enforced; 13237 mSettings.writeLPr(); 13238 } 13239 } 13240 // kill any non-foreground processes so we restart them and 13241 // grant/revoke the GID. 13242 final IActivityManager am = ActivityManagerNative.getDefault(); 13243 if (am != null) { 13244 final long token = Binder.clearCallingIdentity(); 13245 try { 13246 am.killProcessesBelowForeground("setPermissionEnforcement"); 13247 } catch (RemoteException e) { 13248 } finally { 13249 Binder.restoreCallingIdentity(token); 13250 } 13251 } 13252 } else { 13253 throw new IllegalArgumentException("No selective enforcement for " + permission); 13254 } 13255 } 13256 13257 @Override 13258 @Deprecated 13259 public boolean isPermissionEnforced(String permission) { 13260 return true; 13261 } 13262 13263 @Override 13264 public boolean isStorageLow() { 13265 final long token = Binder.clearCallingIdentity(); 13266 try { 13267 final DeviceStorageMonitorInternal 13268 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13269 if (dsm != null) { 13270 return dsm.isMemoryLow(); 13271 } else { 13272 return false; 13273 } 13274 } finally { 13275 Binder.restoreCallingIdentity(token); 13276 } 13277 } 13278 13279 @Override 13280 public IPackageInstaller getPackageInstaller() { 13281 return mInstallerService; 13282 } 13283} 13284