PackageManagerService.java revision 828d11df52680ad75e045f5e4251311605d37af2
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.mKeySetManager.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 if (ps.signatures.mSignatures != null 4313 && ps.signatures.mSignatures.length != 0) { 4314 // Optimization: reuse the existing cached certificates 4315 // if the package appears to be unchanged. 4316 pkg.mSignatures = ps.signatures.mSignatures; 4317 return true; 4318 } 4319 4320 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4321 } else { 4322 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4323 } 4324 4325 try { 4326 pp.collectCertificates(pkg, parseFlags); 4327 pp.collectManifestDigest(pkg); 4328 } catch (PackageParserException e) { 4329 mLastScanError = e.error; 4330 return false; 4331 } 4332 return true; 4333 } 4334 4335 /* 4336 * Scan a package and return the newly parsed package. 4337 * Returns null in case of errors and the error code is stored in mLastScanError 4338 */ 4339 private PackageParser.Package scanPackageLI(File scanFile, 4340 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4341 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4342 String scanPath = scanFile.getPath(); 4343 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4344 parseFlags |= mDefParseFlags; 4345 PackageParser pp = new PackageParser(); 4346 pp.setSeparateProcesses(mSeparateProcesses); 4347 pp.setOnlyCoreApps(mOnlyCore); 4348 pp.setDisplayMetrics(mMetrics); 4349 4350 if ((scanMode & SCAN_TRUSTED_OVERLAY) != 0) { 4351 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4352 } 4353 4354 final PackageParser.Package pkg; 4355 try { 4356 pkg = pp.parseMonolithicPackage(scanFile, parseFlags); 4357 } catch (PackageParserException e) { 4358 mLastScanError = e.error; 4359 return null; 4360 } 4361 4362 PackageSetting ps = null; 4363 PackageSetting updatedPkg; 4364 // reader 4365 synchronized (mPackages) { 4366 // Look to see if we already know about this package. 4367 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4368 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4369 // This package has been renamed to its original name. Let's 4370 // use that. 4371 ps = mSettings.peekPackageLPr(oldName); 4372 } 4373 // If there was no original package, see one for the real package name. 4374 if (ps == null) { 4375 ps = mSettings.peekPackageLPr(pkg.packageName); 4376 } 4377 // Check to see if this package could be hiding/updating a system 4378 // package. Must look for it either under the original or real 4379 // package name depending on our state. 4380 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4381 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4382 } 4383 boolean updatedPkgBetter = false; 4384 // First check if this is a system package that may involve an update 4385 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4386 if (ps != null && !ps.codePath.equals(scanFile)) { 4387 // The path has changed from what was last scanned... check the 4388 // version of the new path against what we have stored to determine 4389 // what to do. 4390 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4391 if (pkg.mVersionCode < ps.versionCode) { 4392 // The system package has been updated and the code path does not match 4393 // Ignore entry. Skip it. 4394 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4395 + " ignored: updated version " + ps.versionCode 4396 + " better than this " + pkg.mVersionCode); 4397 if (!updatedPkg.codePath.equals(scanFile)) { 4398 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4399 + ps.name + " changing from " + updatedPkg.codePathString 4400 + " to " + scanFile); 4401 updatedPkg.codePath = scanFile; 4402 updatedPkg.codePathString = scanFile.toString(); 4403 // This is the point at which we know that the system-disk APK 4404 // for this package has moved during a reboot (e.g. due to an OTA), 4405 // so we need to reevaluate it for privilege policy. 4406 if (locationIsPrivileged(scanFile)) { 4407 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4408 } 4409 } 4410 updatedPkg.pkg = pkg; 4411 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4412 return null; 4413 } else { 4414 // The current app on the system partition is better than 4415 // what we have updated to on the data partition; switch 4416 // back to the system partition version. 4417 // At this point, its safely assumed that package installation for 4418 // apps in system partition will go through. If not there won't be a working 4419 // version of the app 4420 // writer 4421 synchronized (mPackages) { 4422 // Just remove the loaded entries from package lists. 4423 mPackages.remove(ps.name); 4424 } 4425 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4426 + "reverting from " + ps.codePathString 4427 + ": new version " + pkg.mVersionCode 4428 + " better than installed " + ps.versionCode); 4429 4430 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4431 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4432 getAppInstructionSetFromSettings(ps)); 4433 synchronized (mInstallLock) { 4434 args.cleanUpResourcesLI(); 4435 } 4436 synchronized (mPackages) { 4437 mSettings.enableSystemPackageLPw(ps.name); 4438 } 4439 updatedPkgBetter = true; 4440 } 4441 } 4442 } 4443 4444 if (updatedPkg != null) { 4445 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4446 // initially 4447 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4448 4449 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4450 // flag set initially 4451 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4452 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4453 } 4454 } 4455 // Verify certificates against what was last scanned 4456 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4457 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4458 return null; 4459 } 4460 4461 /* 4462 * A new system app appeared, but we already had a non-system one of the 4463 * same name installed earlier. 4464 */ 4465 boolean shouldHideSystemApp = false; 4466 if (updatedPkg == null && ps != null 4467 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4468 /* 4469 * Check to make sure the signatures match first. If they don't, 4470 * wipe the installed application and its data. 4471 */ 4472 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4473 != PackageManager.SIGNATURE_MATCH) { 4474 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4475 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4476 ps = null; 4477 } else { 4478 /* 4479 * If the newly-added system app is an older version than the 4480 * already installed version, hide it. It will be scanned later 4481 * and re-added like an update. 4482 */ 4483 if (pkg.mVersionCode < ps.versionCode) { 4484 shouldHideSystemApp = true; 4485 } else { 4486 /* 4487 * The newly found system app is a newer version that the 4488 * one previously installed. Simply remove the 4489 * already-installed application and replace it with our own 4490 * while keeping the application data. 4491 */ 4492 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4493 + ps.codePathString + ": new version " + pkg.mVersionCode 4494 + " better than installed " + ps.versionCode); 4495 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4496 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4497 getAppInstructionSetFromSettings(ps)); 4498 synchronized (mInstallLock) { 4499 args.cleanUpResourcesLI(); 4500 } 4501 } 4502 } 4503 } 4504 4505 // The apk is forward locked (not public) if its code and resources 4506 // are kept in different files. (except for app in either system or 4507 // vendor path). 4508 // TODO grab this value from PackageSettings 4509 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4510 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4511 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4512 } 4513 } 4514 4515 final String codePath = pkg.codePath; 4516 final String[] splitCodePaths = pkg.splitCodePaths; 4517 4518 String resPath = null; 4519 String[] splitResPaths = null; 4520 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4521 if (ps != null && ps.resourcePathString != null) { 4522 resPath = ps.resourcePathString; 4523 splitResPaths = deriveSplitResPaths(pkg.splitCodePaths); 4524 } else { 4525 // Should not happen at all. Just log an error. 4526 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4527 } 4528 } else { 4529 resPath = pkg.codePath; 4530 splitResPaths = pkg.splitCodePaths; 4531 } 4532 4533 // Set application objects path explicitly. 4534 pkg.applicationInfo.sourceDir = codePath; 4535 pkg.applicationInfo.publicSourceDir = resPath; 4536 pkg.applicationInfo.splitSourceDirs = splitCodePaths; 4537 pkg.applicationInfo.splitPublicSourceDirs = splitResPaths; 4538 4539 // Note that we invoke the following method only if we are about to unpack an application 4540 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4541 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4542 4543 /* 4544 * If the system app should be overridden by a previously installed 4545 * data, hide the system app now and let the /data/app scan pick it up 4546 * again. 4547 */ 4548 if (shouldHideSystemApp) { 4549 synchronized (mPackages) { 4550 /* 4551 * We have to grant systems permissions before we hide, because 4552 * grantPermissions will assume the package update is trying to 4553 * expand its permissions. 4554 */ 4555 grantPermissionsLPw(pkg, true); 4556 mSettings.disableSystemPackageLPw(pkg.packageName); 4557 } 4558 } 4559 4560 return scannedPkg; 4561 } 4562 4563 private static String fixProcessName(String defProcessName, 4564 String processName, int uid) { 4565 if (processName == null) { 4566 return defProcessName; 4567 } 4568 return processName; 4569 } 4570 4571 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4572 if (pkgSetting.signatures.mSignatures != null) { 4573 // Already existing package. Make sure signatures match 4574 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4575 == PackageManager.SIGNATURE_MATCH; 4576 if (!match) { 4577 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4578 == PackageManager.SIGNATURE_MATCH; 4579 } 4580 if (!match) { 4581 Slog.e(TAG, "Package " + pkg.packageName 4582 + " signatures do not match the previously installed version; ignoring!"); 4583 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4584 return false; 4585 } 4586 } 4587 // Check for shared user signatures 4588 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4589 // Already existing package. Make sure signatures match 4590 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4591 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4592 if (!match) { 4593 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4594 == PackageManager.SIGNATURE_MATCH; 4595 } 4596 if (!match) { 4597 Slog.e(TAG, "Package " + pkg.packageName 4598 + " has no signatures that match those in shared user " 4599 + pkgSetting.sharedUser.name + "; ignoring!"); 4600 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4601 return false; 4602 } 4603 } 4604 return true; 4605 } 4606 4607 /** 4608 * Enforces that only the system UID or root's UID can call a method exposed 4609 * via Binder. 4610 * 4611 * @param message used as message if SecurityException is thrown 4612 * @throws SecurityException if the caller is not system or root 4613 */ 4614 private static final void enforceSystemOrRoot(String message) { 4615 final int uid = Binder.getCallingUid(); 4616 if (uid != Process.SYSTEM_UID && uid != 0) { 4617 throw new SecurityException(message); 4618 } 4619 } 4620 4621 @Override 4622 public void performBootDexOpt() { 4623 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4624 4625 final HashSet<PackageParser.Package> pkgs; 4626 synchronized (mPackages) { 4627 pkgs = mDeferredDexOpt; 4628 mDeferredDexOpt = null; 4629 } 4630 4631 if (pkgs != null) { 4632 // Filter out packages that aren't recently used. 4633 // 4634 // The exception is first boot of a non-eng device, which 4635 // should do a full dexopt. 4636 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4637 if (eng || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4638 // TODO: add a property to control this? 4639 long dexOptLRUThresholdInMinutes; 4640 if (eng) { 4641 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4642 } else { 4643 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4644 } 4645 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4646 4647 int total = pkgs.size(); 4648 int skipped = 0; 4649 long now = System.currentTimeMillis(); 4650 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4651 PackageParser.Package pkg = i.next(); 4652 long then = pkg.mLastPackageUsageTimeInMills; 4653 if (then + dexOptLRUThresholdInMills < now) { 4654 if (DEBUG_DEXOPT) { 4655 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4656 ((then == 0) ? "never" : new Date(then))); 4657 } 4658 i.remove(); 4659 skipped++; 4660 } 4661 } 4662 if (DEBUG_DEXOPT) { 4663 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4664 } 4665 } 4666 4667 int i = 0; 4668 for (PackageParser.Package pkg : pkgs) { 4669 i++; 4670 if (DEBUG_DEXOPT) { 4671 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4672 + ": " + pkg.packageName); 4673 } 4674 if (!isFirstBoot()) { 4675 try { 4676 ActivityManagerNative.getDefault().showBootMessage( 4677 mContext.getResources().getString( 4678 R.string.android_upgrading_apk, 4679 i, pkgs.size()), true); 4680 } catch (RemoteException e) { 4681 } 4682 } 4683 PackageParser.Package p = pkg; 4684 synchronized (mInstallLock) { 4685 if (p.mDexOptNeeded) { 4686 performDexOptLI(p, false /* force dex */, false /* defer */, 4687 true /* include dependencies */); 4688 } 4689 } 4690 } 4691 } 4692 } 4693 4694 @Override 4695 public boolean performDexOpt(String packageName) { 4696 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4697 return performDexOpt(packageName, true); 4698 } 4699 4700 public boolean performDexOpt(String packageName, boolean updateUsage) { 4701 4702 PackageParser.Package p; 4703 synchronized (mPackages) { 4704 p = mPackages.get(packageName); 4705 if (p == null) { 4706 return false; 4707 } 4708 if (updateUsage) { 4709 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4710 } 4711 mPackageUsage.write(false); 4712 if (!p.mDexOptNeeded) { 4713 return false; 4714 } 4715 } 4716 4717 synchronized (mInstallLock) { 4718 return performDexOptLI(p, false /* force dex */, false /* defer */, 4719 true /* include dependencies */) == DEX_OPT_PERFORMED; 4720 } 4721 } 4722 4723 public HashSet<String> getPackagesThatNeedDexOpt() { 4724 HashSet<String> pkgs = null; 4725 synchronized (mPackages) { 4726 for (PackageParser.Package p : mPackages.values()) { 4727 if (DEBUG_DEXOPT) { 4728 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4729 } 4730 if (!p.mDexOptNeeded) { 4731 continue; 4732 } 4733 if (pkgs == null) { 4734 pkgs = new HashSet<String>(); 4735 } 4736 pkgs.add(p.packageName); 4737 } 4738 } 4739 return pkgs; 4740 } 4741 4742 public void shutdown() { 4743 mPackageUsage.write(true); 4744 } 4745 4746 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4747 boolean forceDex, boolean defer, HashSet<String> done) { 4748 for (int i=0; i<libs.size(); i++) { 4749 PackageParser.Package libPkg; 4750 String libName; 4751 synchronized (mPackages) { 4752 libName = libs.get(i); 4753 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4754 if (lib != null && lib.apk != null) { 4755 libPkg = mPackages.get(lib.apk); 4756 } else { 4757 libPkg = null; 4758 } 4759 } 4760 if (libPkg != null && !done.contains(libName)) { 4761 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4762 } 4763 } 4764 } 4765 4766 static final int DEX_OPT_SKIPPED = 0; 4767 static final int DEX_OPT_PERFORMED = 1; 4768 static final int DEX_OPT_DEFERRED = 2; 4769 static final int DEX_OPT_FAILED = -1; 4770 4771 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4772 boolean forceDex, boolean defer, HashSet<String> done) { 4773 final String instructionSet = instructionSetOverride != null ? 4774 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4775 4776 if (done != null) { 4777 done.add(pkg.packageName); 4778 if (pkg.usesLibraries != null) { 4779 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4780 } 4781 if (pkg.usesOptionalLibraries != null) { 4782 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4783 } 4784 } 4785 4786 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0) { 4787 final Collection<String> paths = pkg.getAllCodePaths(); 4788 for (String path : paths) { 4789 try { 4790 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4791 pkg.packageName, instructionSet, defer); 4792 // There are three basic cases here: 4793 // 1.) we need to dexopt, either because we are forced or it is needed 4794 // 2.) we are defering a needed dexopt 4795 // 3.) we are skipping an unneeded dexopt 4796 if (forceDex || (!defer && isDexOptNeededInternal)) { 4797 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4798 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4799 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4800 pkg.packageName, instructionSet); 4801 // Note that we ran dexopt, since rerunning will 4802 // probably just result in an error again. 4803 pkg.mDexOptNeeded = false; 4804 if (ret < 0) { 4805 return DEX_OPT_FAILED; 4806 } 4807 return DEX_OPT_PERFORMED; 4808 } 4809 if (defer && isDexOptNeededInternal) { 4810 if (mDeferredDexOpt == null) { 4811 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4812 } 4813 mDeferredDexOpt.add(pkg); 4814 return DEX_OPT_DEFERRED; 4815 } 4816 pkg.mDexOptNeeded = false; 4817 return DEX_OPT_SKIPPED; 4818 } catch (FileNotFoundException e) { 4819 Slog.w(TAG, "Apk not found for dexopt: " + path); 4820 return DEX_OPT_FAILED; 4821 } catch (IOException e) { 4822 Slog.w(TAG, "IOException reading apk: " + path, e); 4823 return DEX_OPT_FAILED; 4824 } catch (StaleDexCacheError e) { 4825 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4826 return DEX_OPT_FAILED; 4827 } catch (Exception e) { 4828 Slog.w(TAG, "Exception when doing dexopt : ", e); 4829 return DEX_OPT_FAILED; 4830 } 4831 } 4832 } 4833 return DEX_OPT_SKIPPED; 4834 } 4835 4836 private String getAppInstructionSet(ApplicationInfo info) { 4837 String instructionSet = getPreferredInstructionSet(); 4838 4839 if (info.cpuAbi != null) { 4840 instructionSet = VMRuntime.getInstructionSet(info.cpuAbi); 4841 } 4842 4843 return instructionSet; 4844 } 4845 4846 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4847 String instructionSet = getPreferredInstructionSet(); 4848 4849 if (ps.cpuAbiString != null) { 4850 instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 4851 } 4852 4853 return instructionSet; 4854 } 4855 4856 private static String getPreferredInstructionSet() { 4857 if (sPreferredInstructionSet == null) { 4858 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4859 } 4860 4861 return sPreferredInstructionSet; 4862 } 4863 4864 private static List<String> getAllInstructionSets() { 4865 final String[] allAbis = Build.SUPPORTED_ABIS; 4866 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4867 4868 for (String abi : allAbis) { 4869 final String instructionSet = VMRuntime.getInstructionSet(abi); 4870 if (!allInstructionSets.contains(instructionSet)) { 4871 allInstructionSets.add(instructionSet); 4872 } 4873 } 4874 4875 return allInstructionSets; 4876 } 4877 4878 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4879 boolean inclDependencies) { 4880 HashSet<String> done; 4881 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4882 done = new HashSet<String>(); 4883 done.add(pkg.packageName); 4884 } else { 4885 done = null; 4886 } 4887 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4888 } 4889 4890 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4891 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4892 Slog.w(TAG, "Unable to update from " + oldPkg.name 4893 + " to " + newPkg.packageName 4894 + ": old package not in system partition"); 4895 return false; 4896 } else if (mPackages.get(oldPkg.name) != null) { 4897 Slog.w(TAG, "Unable to update from " + oldPkg.name 4898 + " to " + newPkg.packageName 4899 + ": old package still exists"); 4900 return false; 4901 } 4902 return true; 4903 } 4904 4905 File getDataPathForUser(int userId) { 4906 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4907 } 4908 4909 private File getDataPathForPackage(String packageName, int userId) { 4910 /* 4911 * Until we fully support multiple users, return the directory we 4912 * previously would have. The PackageManagerTests will need to be 4913 * revised when this is changed back.. 4914 */ 4915 if (userId == 0) { 4916 return new File(mAppDataDir, packageName); 4917 } else { 4918 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4919 + File.separator + packageName); 4920 } 4921 } 4922 4923 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4924 int[] users = sUserManager.getUserIds(); 4925 int res = mInstaller.install(packageName, uid, uid, seinfo); 4926 if (res < 0) { 4927 return res; 4928 } 4929 for (int user : users) { 4930 if (user != 0) { 4931 res = mInstaller.createUserData(packageName, 4932 UserHandle.getUid(user, uid), user, seinfo); 4933 if (res < 0) { 4934 return res; 4935 } 4936 } 4937 } 4938 return res; 4939 } 4940 4941 private int removeDataDirsLI(String packageName) { 4942 int[] users = sUserManager.getUserIds(); 4943 int res = 0; 4944 for (int user : users) { 4945 int resInner = mInstaller.remove(packageName, user); 4946 if (resInner < 0) { 4947 res = resInner; 4948 } 4949 } 4950 4951 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4952 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4953 if (!nativeLibraryFile.delete()) { 4954 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4955 } 4956 4957 return res; 4958 } 4959 4960 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4961 PackageParser.Package changingLib) { 4962 if (file.path != null) { 4963 usesLibraryFiles.add(file.path); 4964 return; 4965 } 4966 PackageParser.Package p = mPackages.get(file.apk); 4967 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4968 // If we are doing this while in the middle of updating a library apk, 4969 // then we need to make sure to use that new apk for determining the 4970 // dependencies here. (We haven't yet finished committing the new apk 4971 // to the package manager state.) 4972 if (p == null || p.packageName.equals(changingLib.packageName)) { 4973 p = changingLib; 4974 } 4975 } 4976 if (p != null) { 4977 usesLibraryFiles.addAll(p.getAllCodePaths()); 4978 } 4979 } 4980 4981 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4982 PackageParser.Package changingLib) { 4983 // We might be upgrading from a version of the platform that did not 4984 // provide per-package native library directories for system apps. 4985 // Fix that up here. 4986 if (isSystemApp(pkg)) { 4987 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4988 setInternalAppNativeLibraryPath(pkg, ps); 4989 } 4990 4991 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4992 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4993 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4994 for (int i=0; i<N; i++) { 4995 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4996 if (file == null) { 4997 Slog.e(TAG, "Package " + pkg.packageName 4998 + " requires unavailable shared library " 4999 + pkg.usesLibraries.get(i) + "; failing!"); 5000 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 5001 return false; 5002 } 5003 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5004 } 5005 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5006 for (int i=0; i<N; i++) { 5007 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5008 if (file == null) { 5009 Slog.w(TAG, "Package " + pkg.packageName 5010 + " desires unavailable shared library " 5011 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5012 } else { 5013 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5014 } 5015 } 5016 N = usesLibraryFiles.size(); 5017 if (N > 0) { 5018 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5019 } else { 5020 pkg.usesLibraryFiles = null; 5021 } 5022 } 5023 return true; 5024 } 5025 5026 private static boolean hasString(List<String> list, List<String> which) { 5027 if (list == null) { 5028 return false; 5029 } 5030 for (int i=list.size()-1; i>=0; i--) { 5031 for (int j=which.size()-1; j>=0; j--) { 5032 if (which.get(j).equals(list.get(i))) { 5033 return true; 5034 } 5035 } 5036 } 5037 return false; 5038 } 5039 5040 private void updateAllSharedLibrariesLPw() { 5041 for (PackageParser.Package pkg : mPackages.values()) { 5042 updateSharedLibrariesLPw(pkg, null); 5043 } 5044 } 5045 5046 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5047 PackageParser.Package changingPkg) { 5048 ArrayList<PackageParser.Package> res = null; 5049 for (PackageParser.Package pkg : mPackages.values()) { 5050 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5051 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5052 if (res == null) { 5053 res = new ArrayList<PackageParser.Package>(); 5054 } 5055 res.add(pkg); 5056 updateSharedLibrariesLPw(pkg, changingPkg); 5057 } 5058 } 5059 return res; 5060 } 5061 5062 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 5063 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 5064 final File scanFile = new File(pkg.codePath); 5065 if (pkg.applicationInfo.sourceDir == null || 5066 pkg.applicationInfo.publicSourceDir == null) { 5067 // Bail out. The resource and code paths haven't been set. 5068 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 5069 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 5070 return null; 5071 } 5072 5073 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5074 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5075 } 5076 5077 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5078 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5079 } 5080 5081 if (mCustomResolverComponentName != null && 5082 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5083 setUpCustomResolverActivity(pkg); 5084 } 5085 5086 if (pkg.packageName.equals("android")) { 5087 synchronized (mPackages) { 5088 if (mAndroidApplication != null) { 5089 Slog.w(TAG, "*************************************************"); 5090 Slog.w(TAG, "Core android package being redefined. Skipping."); 5091 Slog.w(TAG, " file=" + scanFile); 5092 Slog.w(TAG, "*************************************************"); 5093 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 5094 return null; 5095 } 5096 5097 // Set up information for our fall-back user intent resolution activity. 5098 mPlatformPackage = pkg; 5099 pkg.mVersionCode = mSdkVersion; 5100 mAndroidApplication = pkg.applicationInfo; 5101 5102 if (!mResolverReplaced) { 5103 mResolveActivity.applicationInfo = mAndroidApplication; 5104 mResolveActivity.name = ResolverActivity.class.getName(); 5105 mResolveActivity.packageName = mAndroidApplication.packageName; 5106 mResolveActivity.processName = "system:ui"; 5107 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5108 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5109 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5110 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5111 mResolveActivity.exported = true; 5112 mResolveActivity.enabled = true; 5113 mResolveInfo.activityInfo = mResolveActivity; 5114 mResolveInfo.priority = 0; 5115 mResolveInfo.preferredOrder = 0; 5116 mResolveInfo.match = 0; 5117 mResolveComponentName = new ComponentName( 5118 mAndroidApplication.packageName, mResolveActivity.name); 5119 } 5120 } 5121 } 5122 5123 if (DEBUG_PACKAGE_SCANNING) { 5124 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5125 Log.d(TAG, "Scanning package " + pkg.packageName); 5126 } 5127 5128 if (mPackages.containsKey(pkg.packageName) 5129 || mSharedLibraries.containsKey(pkg.packageName)) { 5130 Slog.w(TAG, "Application package " + pkg.packageName 5131 + " already installed. Skipping duplicate."); 5132 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 5133 return null; 5134 } 5135 5136 // Initialize package source and resource directories 5137 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 5138 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 5139 5140 SharedUserSetting suid = null; 5141 PackageSetting pkgSetting = null; 5142 5143 if (!isSystemApp(pkg)) { 5144 // Only system apps can use these features. 5145 pkg.mOriginalPackages = null; 5146 pkg.mRealPackage = null; 5147 pkg.mAdoptPermissions = null; 5148 } 5149 5150 // writer 5151 synchronized (mPackages) { 5152 if (pkg.mSharedUserId != null) { 5153 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5154 if (suid == null) { 5155 Slog.w(TAG, "Creating application package " + pkg.packageName 5156 + " for shared user failed"); 5157 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5158 return null; 5159 } 5160 if (DEBUG_PACKAGE_SCANNING) { 5161 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5162 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5163 + "): packages=" + suid.packages); 5164 } 5165 } 5166 5167 // Check if we are renaming from an original package name. 5168 PackageSetting origPackage = null; 5169 String realName = null; 5170 if (pkg.mOriginalPackages != null) { 5171 // This package may need to be renamed to a previously 5172 // installed name. Let's check on that... 5173 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5174 if (pkg.mOriginalPackages.contains(renamed)) { 5175 // This package had originally been installed as the 5176 // original name, and we have already taken care of 5177 // transitioning to the new one. Just update the new 5178 // one to continue using the old name. 5179 realName = pkg.mRealPackage; 5180 if (!pkg.packageName.equals(renamed)) { 5181 // Callers into this function may have already taken 5182 // care of renaming the package; only do it here if 5183 // it is not already done. 5184 pkg.setPackageName(renamed); 5185 } 5186 5187 } else { 5188 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5189 if ((origPackage = mSettings.peekPackageLPr( 5190 pkg.mOriginalPackages.get(i))) != null) { 5191 // We do have the package already installed under its 5192 // original name... should we use it? 5193 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5194 // New package is not compatible with original. 5195 origPackage = null; 5196 continue; 5197 } else if (origPackage.sharedUser != null) { 5198 // Make sure uid is compatible between packages. 5199 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5200 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5201 + " to " + pkg.packageName + ": old uid " 5202 + origPackage.sharedUser.name 5203 + " differs from " + pkg.mSharedUserId); 5204 origPackage = null; 5205 continue; 5206 } 5207 } else { 5208 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5209 + pkg.packageName + " to old name " + origPackage.name); 5210 } 5211 break; 5212 } 5213 } 5214 } 5215 } 5216 5217 if (mTransferedPackages.contains(pkg.packageName)) { 5218 Slog.w(TAG, "Package " + pkg.packageName 5219 + " was transferred to another, but its .apk remains"); 5220 } 5221 5222 // Just create the setting, don't add it yet. For already existing packages 5223 // the PkgSetting exists already and doesn't have to be created. 5224 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5225 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 5226 pkg.applicationInfo.cpuAbi, 5227 pkg.applicationInfo.flags, user, false); 5228 if (pkgSetting == null) { 5229 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5230 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5231 return null; 5232 } 5233 5234 if (pkgSetting.origPackage != null) { 5235 // If we are first transitioning from an original package, 5236 // fix up the new package's name now. We need to do this after 5237 // looking up the package under its new name, so getPackageLP 5238 // can take care of fiddling things correctly. 5239 pkg.setPackageName(origPackage.name); 5240 5241 // File a report about this. 5242 String msg = "New package " + pkgSetting.realName 5243 + " renamed to replace old package " + pkgSetting.name; 5244 reportSettingsProblem(Log.WARN, msg); 5245 5246 // Make a note of it. 5247 mTransferedPackages.add(origPackage.name); 5248 5249 // No longer need to retain this. 5250 pkgSetting.origPackage = null; 5251 } 5252 5253 if (realName != null) { 5254 // Make a note of it. 5255 mTransferedPackages.add(pkg.packageName); 5256 } 5257 5258 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5259 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5260 } 5261 5262 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5263 // Check all shared libraries and map to their actual file path. 5264 // We only do this here for apps not on a system dir, because those 5265 // are the only ones that can fail an install due to this. We 5266 // will take care of the system apps by updating all of their 5267 // library paths after the scan is done. 5268 if (!updateSharedLibrariesLPw(pkg, null)) { 5269 return null; 5270 } 5271 } 5272 5273 if (mFoundPolicyFile) { 5274 SELinuxMMAC.assignSeinfoValue(pkg); 5275 } 5276 5277 pkg.applicationInfo.uid = pkgSetting.appId; 5278 pkg.mExtras = pkgSetting; 5279 5280 if (!verifySignaturesLP(pkgSetting, pkg)) { 5281 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5282 return null; 5283 } 5284 // The signature has changed, but this package is in the system 5285 // image... let's recover! 5286 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5287 // However... if this package is part of a shared user, but it 5288 // doesn't match the signature of the shared user, let's fail. 5289 // What this means is that you can't change the signatures 5290 // associated with an overall shared user, which doesn't seem all 5291 // that unreasonable. 5292 if (pkgSetting.sharedUser != null) { 5293 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5294 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5295 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5296 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5297 return null; 5298 } 5299 } 5300 // File a report about this. 5301 String msg = "System package " + pkg.packageName 5302 + " signature changed; retaining data."; 5303 reportSettingsProblem(Log.WARN, msg); 5304 } 5305 5306 // Verify that this new package doesn't have any content providers 5307 // that conflict with existing packages. Only do this if the 5308 // package isn't already installed, since we don't want to break 5309 // things that are installed. 5310 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5311 final int N = pkg.providers.size(); 5312 int i; 5313 for (i=0; i<N; i++) { 5314 PackageParser.Provider p = pkg.providers.get(i); 5315 if (p.info.authority != null) { 5316 String names[] = p.info.authority.split(";"); 5317 for (int j = 0; j < names.length; j++) { 5318 if (mProvidersByAuthority.containsKey(names[j])) { 5319 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5320 Slog.w(TAG, "Can't install because provider name " + names[j] + 5321 " (in package " + pkg.applicationInfo.packageName + 5322 ") is already used by " 5323 + ((other != null && other.getComponentName() != null) 5324 ? other.getComponentName().getPackageName() : "?")); 5325 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5326 return null; 5327 } 5328 } 5329 } 5330 } 5331 } 5332 5333 if (pkg.mAdoptPermissions != null) { 5334 // This package wants to adopt ownership of permissions from 5335 // another package. 5336 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5337 final String origName = pkg.mAdoptPermissions.get(i); 5338 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5339 if (orig != null) { 5340 if (verifyPackageUpdateLPr(orig, pkg)) { 5341 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5342 + pkg.packageName); 5343 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5344 } 5345 } 5346 } 5347 } 5348 } 5349 5350 final String pkgName = pkg.packageName; 5351 5352 final long scanFileTime = scanFile.lastModified(); 5353 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5354 pkg.applicationInfo.processName = fixProcessName( 5355 pkg.applicationInfo.packageName, 5356 pkg.applicationInfo.processName, 5357 pkg.applicationInfo.uid); 5358 5359 File dataPath; 5360 if (mPlatformPackage == pkg) { 5361 // The system package is special. 5362 dataPath = new File (Environment.getDataDirectory(), "system"); 5363 pkg.applicationInfo.dataDir = dataPath.getPath(); 5364 } else { 5365 // This is a normal package, need to make its data directory. 5366 dataPath = getDataPathForPackage(pkg.packageName, 0); 5367 5368 boolean uidError = false; 5369 5370 if (dataPath.exists()) { 5371 int currentUid = 0; 5372 try { 5373 StructStat stat = Os.stat(dataPath.getPath()); 5374 currentUid = stat.st_uid; 5375 } catch (ErrnoException e) { 5376 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5377 } 5378 5379 // If we have mismatched owners for the data path, we have a problem. 5380 if (currentUid != pkg.applicationInfo.uid) { 5381 boolean recovered = false; 5382 if (currentUid == 0) { 5383 // The directory somehow became owned by root. Wow. 5384 // This is probably because the system was stopped while 5385 // installd was in the middle of messing with its libs 5386 // directory. Ask installd to fix that. 5387 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5388 pkg.applicationInfo.uid); 5389 if (ret >= 0) { 5390 recovered = true; 5391 String msg = "Package " + pkg.packageName 5392 + " unexpectedly changed to uid 0; recovered to " + 5393 + pkg.applicationInfo.uid; 5394 reportSettingsProblem(Log.WARN, msg); 5395 } 5396 } 5397 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5398 || (scanMode&SCAN_BOOTING) != 0)) { 5399 // If this is a system app, we can at least delete its 5400 // current data so the application will still work. 5401 int ret = removeDataDirsLI(pkgName); 5402 if (ret >= 0) { 5403 // TODO: Kill the processes first 5404 // Old data gone! 5405 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5406 ? "System package " : "Third party package "; 5407 String msg = prefix + pkg.packageName 5408 + " has changed from uid: " 5409 + currentUid + " to " 5410 + pkg.applicationInfo.uid + "; old data erased"; 5411 reportSettingsProblem(Log.WARN, msg); 5412 recovered = true; 5413 5414 // And now re-install the app. 5415 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5416 pkg.applicationInfo.seinfo); 5417 if (ret == -1) { 5418 // Ack should not happen! 5419 msg = prefix + pkg.packageName 5420 + " could not have data directory re-created after delete."; 5421 reportSettingsProblem(Log.WARN, msg); 5422 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5423 return null; 5424 } 5425 } 5426 if (!recovered) { 5427 mHasSystemUidErrors = true; 5428 } 5429 } else if (!recovered) { 5430 // If we allow this install to proceed, we will be broken. 5431 // Abort, abort! 5432 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5433 return null; 5434 } 5435 if (!recovered) { 5436 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5437 + pkg.applicationInfo.uid + "/fs_" 5438 + currentUid; 5439 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5440 String msg = "Package " + pkg.packageName 5441 + " has mismatched uid: " 5442 + currentUid + " on disk, " 5443 + pkg.applicationInfo.uid + " in settings"; 5444 // writer 5445 synchronized (mPackages) { 5446 mSettings.mReadMessages.append(msg); 5447 mSettings.mReadMessages.append('\n'); 5448 uidError = true; 5449 if (!pkgSetting.uidError) { 5450 reportSettingsProblem(Log.ERROR, msg); 5451 } 5452 } 5453 } 5454 } 5455 pkg.applicationInfo.dataDir = dataPath.getPath(); 5456 if (mShouldRestoreconData) { 5457 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5458 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5459 pkg.applicationInfo.uid); 5460 } 5461 } else { 5462 if (DEBUG_PACKAGE_SCANNING) { 5463 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5464 Log.v(TAG, "Want this data dir: " + dataPath); 5465 } 5466 //invoke installer to do the actual installation 5467 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5468 pkg.applicationInfo.seinfo); 5469 if (ret < 0) { 5470 // Error from installer 5471 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5472 return null; 5473 } 5474 5475 if (dataPath.exists()) { 5476 pkg.applicationInfo.dataDir = dataPath.getPath(); 5477 } else { 5478 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5479 pkg.applicationInfo.dataDir = null; 5480 } 5481 } 5482 5483 /* 5484 * Set the data dir to the default "/data/data/<package name>/lib" 5485 * if we got here without anyone telling us different (e.g., apps 5486 * stored on SD card have their native libraries stored in the ASEC 5487 * container with the APK). 5488 * 5489 * This happens during an upgrade from a package settings file that 5490 * doesn't have a native library path attribute at all. 5491 */ 5492 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5493 if (pkgSetting.nativeLibraryPathString == null) { 5494 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5495 } else { 5496 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5497 } 5498 } 5499 pkgSetting.uidError = uidError; 5500 } 5501 5502 final String path = scanFile.getPath(); 5503 /* Note: We don't want to unpack the native binaries for 5504 * system applications, unless they have been updated 5505 * (the binaries are already under /system/lib). 5506 * Also, don't unpack libs for apps on the external card 5507 * since they should have their libraries in the ASEC 5508 * container already. 5509 * 5510 * In other words, we're going to unpack the binaries 5511 * only for non-system apps and system app upgrades. 5512 */ 5513 if (pkg.applicationInfo.nativeLibraryDir != null) { 5514 // TODO: extend to extract native code from split APKs 5515 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5516 try { 5517 // Enable gross and lame hacks for apps that are built with old 5518 // SDK tools. We must scan their APKs for renderscript bitcode and 5519 // not launch them if it's present. Don't bother checking on devices 5520 // that don't have 64 bit support. 5521 String[] abiList = Build.SUPPORTED_ABIS; 5522 boolean hasLegacyRenderscriptBitcode = false; 5523 if (abiOverride != null) { 5524 abiList = new String[] { abiOverride }; 5525 } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 5526 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5527 abiList = Build.SUPPORTED_32_BIT_ABIS; 5528 hasLegacyRenderscriptBitcode = true; 5529 } 5530 5531 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5532 final String dataPathString = dataPath.getCanonicalPath(); 5533 5534 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5535 /* 5536 * Upgrading from a previous version of the OS sometimes 5537 * leaves native libraries in the /data/data/<app>/lib 5538 * directory for system apps even when they shouldn't be. 5539 * Recent changes in the JNI library search path 5540 * necessitates we remove those to match previous behavior. 5541 */ 5542 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5543 Log.i(TAG, "removed obsolete native libraries for system package " 5544 + path); 5545 } 5546 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5547 pkg.applicationInfo.cpuAbi = abiList[0]; 5548 pkgSetting.cpuAbiString = abiList[0]; 5549 } else { 5550 setInternalAppAbi(pkg, pkgSetting); 5551 } 5552 } else { 5553 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5554 /* 5555 * Update native library dir if it starts with 5556 * /data/data 5557 */ 5558 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5559 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5560 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5561 } 5562 5563 try { 5564 int copyRet = copyNativeLibrariesForInternalApp(handle, 5565 nativeLibraryDir, abiList); 5566 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5567 Slog.e(TAG, "Unable to copy native libraries"); 5568 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5569 return null; 5570 } 5571 5572 // We've successfully copied native libraries across, so we make a 5573 // note of what ABI we're using 5574 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5575 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5576 } else if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5577 pkg.applicationInfo.cpuAbi = abiList[0]; 5578 } else { 5579 pkg.applicationInfo.cpuAbi = null; 5580 } 5581 } catch (IOException e) { 5582 Slog.e(TAG, "Unable to copy native libraries", e); 5583 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5584 return null; 5585 } 5586 } else { 5587 // We don't have to copy the shared libraries if we're in the ASEC container 5588 // but we still need to scan the file to figure out what ABI the app needs. 5589 // 5590 // TODO: This duplicates work done in the default container service. It's possible 5591 // to clean this up but we'll need to change the interface between this service 5592 // and IMediaContainerService (but doing so will spread this logic out, rather 5593 // than centralizing it). 5594 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5595 if (abi >= 0) { 5596 pkg.applicationInfo.cpuAbi = abiList[abi]; 5597 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5598 // Note that (non upgraded) system apps will not have any native 5599 // libraries bundled in their APK, but we're guaranteed not to be 5600 // such an app at this point. 5601 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5602 pkg.applicationInfo.cpuAbi = abiList[0]; 5603 } else { 5604 pkg.applicationInfo.cpuAbi = null; 5605 } 5606 } else { 5607 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5608 return null; 5609 } 5610 } 5611 5612 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5613 final int[] userIds = sUserManager.getUserIds(); 5614 synchronized (mInstallLock) { 5615 for (int userId : userIds) { 5616 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5617 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5618 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5619 + ")"); 5620 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5621 return null; 5622 } 5623 } 5624 } 5625 } 5626 5627 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5628 } catch (IOException ioe) { 5629 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5630 } finally { 5631 handle.close(); 5632 } 5633 } 5634 5635 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5636 // We don't do this here during boot because we can do it all 5637 // at once after scanning all existing packages. 5638 // 5639 // We also do this *before* we perform dexopt on this package, so that 5640 // we can avoid redundant dexopts, and also to make sure we've got the 5641 // code and package path correct. 5642 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5643 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5644 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5645 return null; 5646 } 5647 } 5648 5649 if ((scanMode&SCAN_NO_DEX) == 0) { 5650 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5651 == DEX_OPT_FAILED) { 5652 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5653 removeDataDirsLI(pkg.packageName); 5654 } 5655 5656 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5657 return null; 5658 } 5659 } 5660 5661 if (mFactoryTest && pkg.requestedPermissions.contains( 5662 android.Manifest.permission.FACTORY_TEST)) { 5663 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5664 } 5665 5666 ArrayList<PackageParser.Package> clientLibPkgs = null; 5667 5668 // writer 5669 synchronized (mPackages) { 5670 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5671 // Only system apps can add new shared libraries. 5672 if (pkg.libraryNames != null) { 5673 for (int i=0; i<pkg.libraryNames.size(); i++) { 5674 String name = pkg.libraryNames.get(i); 5675 boolean allowed = false; 5676 if (isUpdatedSystemApp(pkg)) { 5677 // New library entries can only be added through the 5678 // system image. This is important to get rid of a lot 5679 // of nasty edge cases: for example if we allowed a non- 5680 // system update of the app to add a library, then uninstalling 5681 // the update would make the library go away, and assumptions 5682 // we made such as through app install filtering would now 5683 // have allowed apps on the device which aren't compatible 5684 // with it. Better to just have the restriction here, be 5685 // conservative, and create many fewer cases that can negatively 5686 // impact the user experience. 5687 final PackageSetting sysPs = mSettings 5688 .getDisabledSystemPkgLPr(pkg.packageName); 5689 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5690 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5691 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5692 allowed = true; 5693 allowed = true; 5694 break; 5695 } 5696 } 5697 } 5698 } else { 5699 allowed = true; 5700 } 5701 if (allowed) { 5702 if (!mSharedLibraries.containsKey(name)) { 5703 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5704 } else if (!name.equals(pkg.packageName)) { 5705 Slog.w(TAG, "Package " + pkg.packageName + " library " 5706 + name + " already exists; skipping"); 5707 } 5708 } else { 5709 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5710 + name + " that is not declared on system image; skipping"); 5711 } 5712 } 5713 if ((scanMode&SCAN_BOOTING) == 0) { 5714 // If we are not booting, we need to update any applications 5715 // that are clients of our shared library. If we are booting, 5716 // this will all be done once the scan is complete. 5717 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5718 } 5719 } 5720 } 5721 } 5722 5723 // We also need to dexopt any apps that are dependent on this library. Note that 5724 // if these fail, we should abort the install since installing the library will 5725 // result in some apps being broken. 5726 if (clientLibPkgs != null) { 5727 if ((scanMode&SCAN_NO_DEX) == 0) { 5728 for (int i=0; i<clientLibPkgs.size(); i++) { 5729 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5730 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5731 == DEX_OPT_FAILED) { 5732 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5733 removeDataDirsLI(pkg.packageName); 5734 } 5735 5736 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5737 return null; 5738 } 5739 } 5740 } 5741 } 5742 5743 // Request the ActivityManager to kill the process(only for existing packages) 5744 // so that we do not end up in a confused state while the user is still using the older 5745 // version of the application while the new one gets installed. 5746 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5747 // If the package lives in an asec, tell everyone that the container is going 5748 // away so they can clean up any references to its resources (which would prevent 5749 // vold from being able to unmount the asec) 5750 if (isForwardLocked(pkg) || isExternal(pkg)) { 5751 if (DEBUG_INSTALL) { 5752 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5753 } 5754 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5755 final ArrayList<String> pkgList = new ArrayList<String>(1); 5756 pkgList.add(pkg.applicationInfo.packageName); 5757 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5758 } 5759 5760 // Post the request that it be killed now that the going-away broadcast is en route 5761 killApplication(pkg.applicationInfo.packageName, 5762 pkg.applicationInfo.uid, "update pkg"); 5763 } 5764 5765 // Also need to kill any apps that are dependent on the library. 5766 if (clientLibPkgs != null) { 5767 for (int i=0; i<clientLibPkgs.size(); i++) { 5768 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5769 killApplication(clientPkg.applicationInfo.packageName, 5770 clientPkg.applicationInfo.uid, "update lib"); 5771 } 5772 } 5773 5774 // writer 5775 synchronized (mPackages) { 5776 // We don't expect installation to fail beyond this point, 5777 if ((scanMode&SCAN_MONITOR) != 0) { 5778 mAppDirs.put(pkg.codePath, pkg); 5779 } 5780 // Add the new setting to mSettings 5781 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5782 // Add the new setting to mPackages 5783 mPackages.put(pkg.applicationInfo.packageName, pkg); 5784 // Make sure we don't accidentally delete its data. 5785 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5786 while (iter.hasNext()) { 5787 PackageCleanItem item = iter.next(); 5788 if (pkgName.equals(item.packageName)) { 5789 iter.remove(); 5790 } 5791 } 5792 5793 // Take care of first install / last update times. 5794 if (currentTime != 0) { 5795 if (pkgSetting.firstInstallTime == 0) { 5796 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5797 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5798 pkgSetting.lastUpdateTime = currentTime; 5799 } 5800 } else if (pkgSetting.firstInstallTime == 0) { 5801 // We need *something*. Take time time stamp of the file. 5802 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5803 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5804 if (scanFileTime != pkgSetting.timeStamp) { 5805 // A package on the system image has changed; consider this 5806 // to be an update. 5807 pkgSetting.lastUpdateTime = scanFileTime; 5808 } 5809 } 5810 5811 // Add the package's KeySets to the global KeySetManager 5812 KeySetManager ksm = mSettings.mKeySetManager; 5813 try { 5814 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5815 if (pkg.mKeySetMapping != null) { 5816 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5817 pkg.mKeySetMapping.entrySet()) { 5818 if (entry.getValue() != null) { 5819 ksm.addDefinedKeySetToPackage(pkg.packageName, 5820 entry.getValue(), entry.getKey()); 5821 } 5822 } 5823 } 5824 } catch (NullPointerException e) { 5825 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5826 } catch (IllegalArgumentException e) { 5827 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5828 } 5829 5830 int N = pkg.providers.size(); 5831 StringBuilder r = null; 5832 int i; 5833 for (i=0; i<N; i++) { 5834 PackageParser.Provider p = pkg.providers.get(i); 5835 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5836 p.info.processName, pkg.applicationInfo.uid); 5837 mProviders.addProvider(p); 5838 p.syncable = p.info.isSyncable; 5839 if (p.info.authority != null) { 5840 String names[] = p.info.authority.split(";"); 5841 p.info.authority = null; 5842 for (int j = 0; j < names.length; j++) { 5843 if (j == 1 && p.syncable) { 5844 // We only want the first authority for a provider to possibly be 5845 // syncable, so if we already added this provider using a different 5846 // authority clear the syncable flag. We copy the provider before 5847 // changing it because the mProviders object contains a reference 5848 // to a provider that we don't want to change. 5849 // Only do this for the second authority since the resulting provider 5850 // object can be the same for all future authorities for this provider. 5851 p = new PackageParser.Provider(p); 5852 p.syncable = false; 5853 } 5854 if (!mProvidersByAuthority.containsKey(names[j])) { 5855 mProvidersByAuthority.put(names[j], p); 5856 if (p.info.authority == null) { 5857 p.info.authority = names[j]; 5858 } else { 5859 p.info.authority = p.info.authority + ";" + names[j]; 5860 } 5861 if (DEBUG_PACKAGE_SCANNING) { 5862 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5863 Log.d(TAG, "Registered content provider: " + names[j] 5864 + ", className = " + p.info.name + ", isSyncable = " 5865 + p.info.isSyncable); 5866 } 5867 } else { 5868 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5869 Slog.w(TAG, "Skipping provider name " + names[j] + 5870 " (in package " + pkg.applicationInfo.packageName + 5871 "): name already used by " 5872 + ((other != null && other.getComponentName() != null) 5873 ? other.getComponentName().getPackageName() : "?")); 5874 } 5875 } 5876 } 5877 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5878 if (r == null) { 5879 r = new StringBuilder(256); 5880 } else { 5881 r.append(' '); 5882 } 5883 r.append(p.info.name); 5884 } 5885 } 5886 if (r != null) { 5887 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5888 } 5889 5890 N = pkg.services.size(); 5891 r = null; 5892 for (i=0; i<N; i++) { 5893 PackageParser.Service s = pkg.services.get(i); 5894 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5895 s.info.processName, pkg.applicationInfo.uid); 5896 mServices.addService(s); 5897 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5898 if (r == null) { 5899 r = new StringBuilder(256); 5900 } else { 5901 r.append(' '); 5902 } 5903 r.append(s.info.name); 5904 } 5905 } 5906 if (r != null) { 5907 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5908 } 5909 5910 N = pkg.receivers.size(); 5911 r = null; 5912 for (i=0; i<N; i++) { 5913 PackageParser.Activity a = pkg.receivers.get(i); 5914 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5915 a.info.processName, pkg.applicationInfo.uid); 5916 mReceivers.addActivity(a, "receiver"); 5917 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5918 if (r == null) { 5919 r = new StringBuilder(256); 5920 } else { 5921 r.append(' '); 5922 } 5923 r.append(a.info.name); 5924 } 5925 } 5926 if (r != null) { 5927 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5928 } 5929 5930 N = pkg.activities.size(); 5931 r = null; 5932 for (i=0; i<N; i++) { 5933 PackageParser.Activity a = pkg.activities.get(i); 5934 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5935 a.info.processName, pkg.applicationInfo.uid); 5936 mActivities.addActivity(a, "activity"); 5937 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5938 if (r == null) { 5939 r = new StringBuilder(256); 5940 } else { 5941 r.append(' '); 5942 } 5943 r.append(a.info.name); 5944 } 5945 } 5946 if (r != null) { 5947 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5948 } 5949 5950 N = pkg.permissionGroups.size(); 5951 r = null; 5952 for (i=0; i<N; i++) { 5953 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5954 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5955 if (cur == null) { 5956 mPermissionGroups.put(pg.info.name, pg); 5957 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5958 if (r == null) { 5959 r = new StringBuilder(256); 5960 } else { 5961 r.append(' '); 5962 } 5963 r.append(pg.info.name); 5964 } 5965 } else { 5966 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5967 + pg.info.packageName + " ignored: original from " 5968 + cur.info.packageName); 5969 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5970 if (r == null) { 5971 r = new StringBuilder(256); 5972 } else { 5973 r.append(' '); 5974 } 5975 r.append("DUP:"); 5976 r.append(pg.info.name); 5977 } 5978 } 5979 } 5980 if (r != null) { 5981 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5982 } 5983 5984 N = pkg.permissions.size(); 5985 r = null; 5986 for (i=0; i<N; i++) { 5987 PackageParser.Permission p = pkg.permissions.get(i); 5988 HashMap<String, BasePermission> permissionMap = 5989 p.tree ? mSettings.mPermissionTrees 5990 : mSettings.mPermissions; 5991 p.group = mPermissionGroups.get(p.info.group); 5992 if (p.info.group == null || p.group != null) { 5993 BasePermission bp = permissionMap.get(p.info.name); 5994 if (bp == null) { 5995 bp = new BasePermission(p.info.name, p.info.packageName, 5996 BasePermission.TYPE_NORMAL); 5997 permissionMap.put(p.info.name, bp); 5998 } 5999 if (bp.perm == null) { 6000 if (bp.sourcePackage != null 6001 && !bp.sourcePackage.equals(p.info.packageName)) { 6002 // If this is a permission that was formerly defined by a non-system 6003 // app, but is now defined by a system app (following an upgrade), 6004 // discard the previous declaration and consider the system's to be 6005 // canonical. 6006 if (isSystemApp(p.owner)) { 6007 String msg = "New decl " + p.owner + " of permission " 6008 + p.info.name + " is system"; 6009 reportSettingsProblem(Log.WARN, msg); 6010 bp.sourcePackage = null; 6011 } 6012 } 6013 if (bp.sourcePackage == null 6014 || bp.sourcePackage.equals(p.info.packageName)) { 6015 BasePermission tree = findPermissionTreeLP(p.info.name); 6016 if (tree == null 6017 || tree.sourcePackage.equals(p.info.packageName)) { 6018 bp.packageSetting = pkgSetting; 6019 bp.perm = p; 6020 bp.uid = pkg.applicationInfo.uid; 6021 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6022 if (r == null) { 6023 r = new StringBuilder(256); 6024 } else { 6025 r.append(' '); 6026 } 6027 r.append(p.info.name); 6028 } 6029 } else { 6030 Slog.w(TAG, "Permission " + p.info.name + " from package " 6031 + p.info.packageName + " ignored: base tree " 6032 + tree.name + " is from package " 6033 + tree.sourcePackage); 6034 } 6035 } else { 6036 Slog.w(TAG, "Permission " + p.info.name + " from package " 6037 + p.info.packageName + " ignored: original from " 6038 + bp.sourcePackage); 6039 } 6040 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6041 if (r == null) { 6042 r = new StringBuilder(256); 6043 } else { 6044 r.append(' '); 6045 } 6046 r.append("DUP:"); 6047 r.append(p.info.name); 6048 } 6049 if (bp.perm == p) { 6050 bp.protectionLevel = p.info.protectionLevel; 6051 } 6052 } else { 6053 Slog.w(TAG, "Permission " + p.info.name + " from package " 6054 + p.info.packageName + " ignored: no group " 6055 + p.group); 6056 } 6057 } 6058 if (r != null) { 6059 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6060 } 6061 6062 N = pkg.instrumentation.size(); 6063 r = null; 6064 for (i=0; i<N; i++) { 6065 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6066 a.info.packageName = pkg.applicationInfo.packageName; 6067 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6068 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6069 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6070 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6071 a.info.dataDir = pkg.applicationInfo.dataDir; 6072 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6073 mInstrumentation.put(a.getComponentName(), a); 6074 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6075 if (r == null) { 6076 r = new StringBuilder(256); 6077 } else { 6078 r.append(' '); 6079 } 6080 r.append(a.info.name); 6081 } 6082 } 6083 if (r != null) { 6084 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6085 } 6086 6087 if (pkg.protectedBroadcasts != null) { 6088 N = pkg.protectedBroadcasts.size(); 6089 for (i=0; i<N; i++) { 6090 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6091 } 6092 } 6093 6094 pkgSetting.setTimeStamp(scanFileTime); 6095 6096 // Create idmap files for pairs of (packages, overlay packages). 6097 // Note: "android", ie framework-res.apk, is handled by native layers. 6098 if (pkg.mOverlayTarget != null) { 6099 // This is an overlay package. 6100 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6101 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6102 mOverlays.put(pkg.mOverlayTarget, 6103 new HashMap<String, PackageParser.Package>()); 6104 } 6105 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6106 map.put(pkg.packageName, pkg); 6107 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6108 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6109 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 6110 return null; 6111 } 6112 } 6113 } else if (mOverlays.containsKey(pkg.packageName) && 6114 !pkg.packageName.equals("android")) { 6115 // This is a regular package, with one or more known overlay packages. 6116 createIdmapsForPackageLI(pkg); 6117 } 6118 } 6119 6120 return pkg; 6121 } 6122 6123 /** 6124 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6125 * i.e, so that all packages can be run inside a single process if required. 6126 * 6127 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6128 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6129 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6130 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6131 * updating a package that belongs to a shared user. 6132 */ 6133 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6134 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6135 String requiredInstructionSet = null; 6136 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 6137 requiredInstructionSet = VMRuntime.getInstructionSet( 6138 scannedPackage.applicationInfo.cpuAbi); 6139 } 6140 6141 PackageSetting requirer = null; 6142 for (PackageSetting ps : packagesForUser) { 6143 // If packagesForUser contains scannedPackage, we skip it. This will happen 6144 // when scannedPackage is an update of an existing package. Without this check, 6145 // we will never be able to change the ABI of any package belonging to a shared 6146 // user, even if it's compatible with other packages. 6147 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 6148 if (ps.cpuAbiString == null) { 6149 continue; 6150 } 6151 6152 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 6153 if (requiredInstructionSet != null) { 6154 if (!instructionSet.equals(requiredInstructionSet)) { 6155 // We have a mismatch between instruction sets (say arm vs arm64). 6156 // bail out. 6157 String errorMessage = "Instruction set mismatch, " 6158 + ((requirer == null) ? "[caller]" : requirer) 6159 + " requires " + requiredInstructionSet + " whereas " + ps 6160 + " requires " + instructionSet; 6161 Slog.e(TAG, errorMessage); 6162 6163 reportSettingsProblem(Log.WARN, errorMessage); 6164 // Give up, don't bother making any other changes to the package settings. 6165 return false; 6166 } 6167 } else { 6168 requiredInstructionSet = instructionSet; 6169 requirer = ps; 6170 } 6171 } 6172 } 6173 6174 if (requiredInstructionSet != null) { 6175 String adjustedAbi; 6176 if (requirer != null) { 6177 // requirer != null implies that either scannedPackage was null or that scannedPackage 6178 // did not require an ABI, in which case we have to adjust scannedPackage to match 6179 // the ABI of the set (which is the same as requirer's ABI) 6180 adjustedAbi = requirer.cpuAbiString; 6181 if (scannedPackage != null) { 6182 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 6183 } 6184 } else { 6185 // requirer == null implies that we're updating all ABIs in the set to 6186 // match scannedPackage. 6187 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 6188 } 6189 6190 for (PackageSetting ps : packagesForUser) { 6191 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6192 if (ps.cpuAbiString != null) { 6193 continue; 6194 } 6195 6196 ps.cpuAbiString = adjustedAbi; 6197 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6198 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 6199 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6200 6201 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6202 ps.cpuAbiString = null; 6203 ps.pkg.applicationInfo.cpuAbi = null; 6204 return false; 6205 } else { 6206 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6207 } 6208 } 6209 } 6210 } 6211 } 6212 6213 return true; 6214 } 6215 6216 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6217 synchronized (mPackages) { 6218 mResolverReplaced = true; 6219 // Set up information for custom user intent resolution activity. 6220 mResolveActivity.applicationInfo = pkg.applicationInfo; 6221 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6222 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6223 mResolveActivity.processName = null; 6224 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6225 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6226 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6227 mResolveActivity.theme = 0; 6228 mResolveActivity.exported = true; 6229 mResolveActivity.enabled = true; 6230 mResolveInfo.activityInfo = mResolveActivity; 6231 mResolveInfo.priority = 0; 6232 mResolveInfo.preferredOrder = 0; 6233 mResolveInfo.match = 0; 6234 mResolveComponentName = mCustomResolverComponentName; 6235 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6236 mResolveComponentName); 6237 } 6238 } 6239 6240 private String calculateApkRoot(final String codePathString) { 6241 final File codePath = new File(codePathString); 6242 final File codeRoot; 6243 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6244 codeRoot = Environment.getRootDirectory(); 6245 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6246 codeRoot = Environment.getOemDirectory(); 6247 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6248 codeRoot = Environment.getVendorDirectory(); 6249 } else { 6250 // Unrecognized code path; take its top real segment as the apk root: 6251 // e.g. /something/app/blah.apk => /something 6252 try { 6253 File f = codePath.getCanonicalFile(); 6254 File parent = f.getParentFile(); // non-null because codePath is a file 6255 File tmp; 6256 while ((tmp = parent.getParentFile()) != null) { 6257 f = parent; 6258 parent = tmp; 6259 } 6260 codeRoot = f; 6261 Slog.w(TAG, "Unrecognized code path " 6262 + codePath + " - using " + codeRoot); 6263 } catch (IOException e) { 6264 // Can't canonicalize the lib path -- shenanigans? 6265 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6266 return Environment.getRootDirectory().getPath(); 6267 } 6268 } 6269 return codeRoot.getPath(); 6270 } 6271 6272 // This is the initial scan-time determination of how to handle a given 6273 // package for purposes of native library location. 6274 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6275 PackageSetting pkgSetting) { 6276 // "bundled" here means system-installed with no overriding update 6277 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6278 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6279 final File libDir; 6280 if (bundledApk) { 6281 // If "/system/lib64/apkname" exists, assume that is the per-package 6282 // native library directory to use; otherwise use "/system/lib/apkname". 6283 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6284 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6285 File packLib64 = new File(lib64, apkName); 6286 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6287 } else { 6288 libDir = mAppLibInstallDir; 6289 } 6290 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6291 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6292 // pkgSetting might be null during rescan following uninstall of updates 6293 // to a bundled app, so accommodate that possibility. The settings in 6294 // that case will be established later from the parsed package. 6295 if (pkgSetting != null) { 6296 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6297 } 6298 } 6299 6300 // Deduces the required ABI of an upgraded system app. 6301 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6302 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6303 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6304 6305 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6306 // or similar. 6307 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6308 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6309 6310 // Assume that the bundled native libraries always correspond to the 6311 // most preferred 32 or 64 bit ABI. 6312 if (lib64.exists()) { 6313 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6314 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6315 } else if (lib.exists()) { 6316 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6317 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6318 } else { 6319 // This is the case where the app has no native code. 6320 pkg.applicationInfo.cpuAbi = null; 6321 pkgSetting.cpuAbiString = null; 6322 } 6323 } 6324 6325 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 6326 final File nativeLibraryDir, String[] abiList) throws IOException { 6327 if (!nativeLibraryDir.isDirectory()) { 6328 nativeLibraryDir.delete(); 6329 6330 if (!nativeLibraryDir.mkdir()) { 6331 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6332 } 6333 6334 try { 6335 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6336 } catch (ErrnoException e) { 6337 throw new IOException("Cannot chmod native library directory " 6338 + nativeLibraryDir.getPath(), e); 6339 } 6340 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6341 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6342 } 6343 6344 /* 6345 * If this is an internal application or our nativeLibraryPath points to 6346 * the app-lib directory, unpack the libraries if necessary. 6347 */ 6348 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6349 if (abi >= 0) { 6350 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6351 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6352 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6353 return copyRet; 6354 } 6355 } 6356 6357 return abi; 6358 } 6359 6360 private void killApplication(String pkgName, int appId, String reason) { 6361 // Request the ActivityManager to kill the process(only for existing packages) 6362 // so that we do not end up in a confused state while the user is still using the older 6363 // version of the application while the new one gets installed. 6364 IActivityManager am = ActivityManagerNative.getDefault(); 6365 if (am != null) { 6366 try { 6367 am.killApplicationWithAppId(pkgName, appId, reason); 6368 } catch (RemoteException e) { 6369 } 6370 } 6371 } 6372 6373 void removePackageLI(PackageSetting ps, boolean chatty) { 6374 if (DEBUG_INSTALL) { 6375 if (chatty) 6376 Log.d(TAG, "Removing package " + ps.name); 6377 } 6378 6379 // writer 6380 synchronized (mPackages) { 6381 mPackages.remove(ps.name); 6382 if (ps.codePathString != null) { 6383 mAppDirs.remove(ps.codePathString); 6384 } 6385 6386 final PackageParser.Package pkg = ps.pkg; 6387 if (pkg != null) { 6388 cleanPackageDataStructuresLILPw(pkg, chatty); 6389 } 6390 } 6391 } 6392 6393 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6394 if (DEBUG_INSTALL) { 6395 if (chatty) 6396 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6397 } 6398 6399 // writer 6400 synchronized (mPackages) { 6401 mPackages.remove(pkg.applicationInfo.packageName); 6402 if (pkg.codePath != null) { 6403 mAppDirs.remove(pkg.codePath); 6404 } 6405 cleanPackageDataStructuresLILPw(pkg, chatty); 6406 } 6407 } 6408 6409 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6410 int N = pkg.providers.size(); 6411 StringBuilder r = null; 6412 int i; 6413 for (i=0; i<N; i++) { 6414 PackageParser.Provider p = pkg.providers.get(i); 6415 mProviders.removeProvider(p); 6416 if (p.info.authority == null) { 6417 6418 /* There was another ContentProvider with this authority when 6419 * this app was installed so this authority is null, 6420 * Ignore it as we don't have to unregister the provider. 6421 */ 6422 continue; 6423 } 6424 String names[] = p.info.authority.split(";"); 6425 for (int j = 0; j < names.length; j++) { 6426 if (mProvidersByAuthority.get(names[j]) == p) { 6427 mProvidersByAuthority.remove(names[j]); 6428 if (DEBUG_REMOVE) { 6429 if (chatty) 6430 Log.d(TAG, "Unregistered content provider: " + names[j] 6431 + ", className = " + p.info.name + ", isSyncable = " 6432 + p.info.isSyncable); 6433 } 6434 } 6435 } 6436 if (DEBUG_REMOVE && chatty) { 6437 if (r == null) { 6438 r = new StringBuilder(256); 6439 } else { 6440 r.append(' '); 6441 } 6442 r.append(p.info.name); 6443 } 6444 } 6445 if (r != null) { 6446 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6447 } 6448 6449 N = pkg.services.size(); 6450 r = null; 6451 for (i=0; i<N; i++) { 6452 PackageParser.Service s = pkg.services.get(i); 6453 mServices.removeService(s); 6454 if (chatty) { 6455 if (r == null) { 6456 r = new StringBuilder(256); 6457 } else { 6458 r.append(' '); 6459 } 6460 r.append(s.info.name); 6461 } 6462 } 6463 if (r != null) { 6464 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6465 } 6466 6467 N = pkg.receivers.size(); 6468 r = null; 6469 for (i=0; i<N; i++) { 6470 PackageParser.Activity a = pkg.receivers.get(i); 6471 mReceivers.removeActivity(a, "receiver"); 6472 if (DEBUG_REMOVE && chatty) { 6473 if (r == null) { 6474 r = new StringBuilder(256); 6475 } else { 6476 r.append(' '); 6477 } 6478 r.append(a.info.name); 6479 } 6480 } 6481 if (r != null) { 6482 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6483 } 6484 6485 N = pkg.activities.size(); 6486 r = null; 6487 for (i=0; i<N; i++) { 6488 PackageParser.Activity a = pkg.activities.get(i); 6489 mActivities.removeActivity(a, "activity"); 6490 if (DEBUG_REMOVE && chatty) { 6491 if (r == null) { 6492 r = new StringBuilder(256); 6493 } else { 6494 r.append(' '); 6495 } 6496 r.append(a.info.name); 6497 } 6498 } 6499 if (r != null) { 6500 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6501 } 6502 6503 N = pkg.permissions.size(); 6504 r = null; 6505 for (i=0; i<N; i++) { 6506 PackageParser.Permission p = pkg.permissions.get(i); 6507 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6508 if (bp == null) { 6509 bp = mSettings.mPermissionTrees.get(p.info.name); 6510 } 6511 if (bp != null && bp.perm == p) { 6512 bp.perm = null; 6513 if (DEBUG_REMOVE && chatty) { 6514 if (r == null) { 6515 r = new StringBuilder(256); 6516 } else { 6517 r.append(' '); 6518 } 6519 r.append(p.info.name); 6520 } 6521 } 6522 } 6523 if (r != null) { 6524 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6525 } 6526 6527 N = pkg.instrumentation.size(); 6528 r = null; 6529 for (i=0; i<N; i++) { 6530 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6531 mInstrumentation.remove(a.getComponentName()); 6532 if (DEBUG_REMOVE && chatty) { 6533 if (r == null) { 6534 r = new StringBuilder(256); 6535 } else { 6536 r.append(' '); 6537 } 6538 r.append(a.info.name); 6539 } 6540 } 6541 if (r != null) { 6542 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6543 } 6544 6545 r = null; 6546 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6547 // Only system apps can hold shared libraries. 6548 if (pkg.libraryNames != null) { 6549 for (i=0; i<pkg.libraryNames.size(); i++) { 6550 String name = pkg.libraryNames.get(i); 6551 SharedLibraryEntry cur = mSharedLibraries.get(name); 6552 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6553 mSharedLibraries.remove(name); 6554 if (DEBUG_REMOVE && chatty) { 6555 if (r == null) { 6556 r = new StringBuilder(256); 6557 } else { 6558 r.append(' '); 6559 } 6560 r.append(name); 6561 } 6562 } 6563 } 6564 } 6565 } 6566 if (r != null) { 6567 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6568 } 6569 } 6570 6571 private static final boolean isPackageFilename(String name) { 6572 return name != null && name.endsWith(".apk"); 6573 } 6574 6575 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6576 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6577 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6578 return true; 6579 } 6580 } 6581 return false; 6582 } 6583 6584 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6585 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6586 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6587 6588 private void updatePermissionsLPw(String changingPkg, 6589 PackageParser.Package pkgInfo, int flags) { 6590 // Make sure there are no dangling permission trees. 6591 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6592 while (it.hasNext()) { 6593 final BasePermission bp = it.next(); 6594 if (bp.packageSetting == null) { 6595 // We may not yet have parsed the package, so just see if 6596 // we still know about its settings. 6597 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6598 } 6599 if (bp.packageSetting == null) { 6600 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6601 + " from package " + bp.sourcePackage); 6602 it.remove(); 6603 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6604 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6605 Slog.i(TAG, "Removing old permission tree: " + bp.name 6606 + " from package " + bp.sourcePackage); 6607 flags |= UPDATE_PERMISSIONS_ALL; 6608 it.remove(); 6609 } 6610 } 6611 } 6612 6613 // Make sure all dynamic permissions have been assigned to a package, 6614 // and make sure there are no dangling permissions. 6615 it = mSettings.mPermissions.values().iterator(); 6616 while (it.hasNext()) { 6617 final BasePermission bp = it.next(); 6618 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6619 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6620 + bp.name + " pkg=" + bp.sourcePackage 6621 + " info=" + bp.pendingInfo); 6622 if (bp.packageSetting == null && bp.pendingInfo != null) { 6623 final BasePermission tree = findPermissionTreeLP(bp.name); 6624 if (tree != null && tree.perm != null) { 6625 bp.packageSetting = tree.packageSetting; 6626 bp.perm = new PackageParser.Permission(tree.perm.owner, 6627 new PermissionInfo(bp.pendingInfo)); 6628 bp.perm.info.packageName = tree.perm.info.packageName; 6629 bp.perm.info.name = bp.name; 6630 bp.uid = tree.uid; 6631 } 6632 } 6633 } 6634 if (bp.packageSetting == null) { 6635 // We may not yet have parsed the package, so just see if 6636 // we still know about its settings. 6637 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6638 } 6639 if (bp.packageSetting == null) { 6640 Slog.w(TAG, "Removing dangling permission: " + bp.name 6641 + " from package " + bp.sourcePackage); 6642 it.remove(); 6643 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6644 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6645 Slog.i(TAG, "Removing old permission: " + bp.name 6646 + " from package " + bp.sourcePackage); 6647 flags |= UPDATE_PERMISSIONS_ALL; 6648 it.remove(); 6649 } 6650 } 6651 } 6652 6653 // Now update the permissions for all packages, in particular 6654 // replace the granted permissions of the system packages. 6655 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6656 for (PackageParser.Package pkg : mPackages.values()) { 6657 if (pkg != pkgInfo) { 6658 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6659 } 6660 } 6661 } 6662 6663 if (pkgInfo != null) { 6664 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6665 } 6666 } 6667 6668 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6669 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6670 if (ps == null) { 6671 return; 6672 } 6673 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6674 HashSet<String> origPermissions = gp.grantedPermissions; 6675 boolean changedPermission = false; 6676 6677 if (replace) { 6678 ps.permissionsFixed = false; 6679 if (gp == ps) { 6680 origPermissions = new HashSet<String>(gp.grantedPermissions); 6681 gp.grantedPermissions.clear(); 6682 gp.gids = mGlobalGids; 6683 } 6684 } 6685 6686 if (gp.gids == null) { 6687 gp.gids = mGlobalGids; 6688 } 6689 6690 final int N = pkg.requestedPermissions.size(); 6691 for (int i=0; i<N; i++) { 6692 final String name = pkg.requestedPermissions.get(i); 6693 final boolean required = pkg.requestedPermissionsRequired.get(i); 6694 final BasePermission bp = mSettings.mPermissions.get(name); 6695 if (DEBUG_INSTALL) { 6696 if (gp != ps) { 6697 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6698 } 6699 } 6700 6701 if (bp == null || bp.packageSetting == null) { 6702 Slog.w(TAG, "Unknown permission " + name 6703 + " in package " + pkg.packageName); 6704 continue; 6705 } 6706 6707 final String perm = bp.name; 6708 boolean allowed; 6709 boolean allowedSig = false; 6710 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6711 if (level == PermissionInfo.PROTECTION_NORMAL 6712 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6713 // We grant a normal or dangerous permission if any of the following 6714 // are true: 6715 // 1) The permission is required 6716 // 2) The permission is optional, but was granted in the past 6717 // 3) The permission is optional, but was requested by an 6718 // app in /system (not /data) 6719 // 6720 // Otherwise, reject the permission. 6721 allowed = (required || origPermissions.contains(perm) 6722 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6723 } else if (bp.packageSetting == null) { 6724 // This permission is invalid; skip it. 6725 allowed = false; 6726 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6727 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6728 if (allowed) { 6729 allowedSig = true; 6730 } 6731 } else { 6732 allowed = false; 6733 } 6734 if (DEBUG_INSTALL) { 6735 if (gp != ps) { 6736 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6737 } 6738 } 6739 if (allowed) { 6740 if (!isSystemApp(ps) && ps.permissionsFixed) { 6741 // If this is an existing, non-system package, then 6742 // we can't add any new permissions to it. 6743 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6744 // Except... if this is a permission that was added 6745 // to the platform (note: need to only do this when 6746 // updating the platform). 6747 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6748 } 6749 } 6750 if (allowed) { 6751 if (!gp.grantedPermissions.contains(perm)) { 6752 changedPermission = true; 6753 gp.grantedPermissions.add(perm); 6754 gp.gids = appendInts(gp.gids, bp.gids); 6755 } else if (!ps.haveGids) { 6756 gp.gids = appendInts(gp.gids, bp.gids); 6757 } 6758 } else { 6759 Slog.w(TAG, "Not granting permission " + perm 6760 + " to package " + pkg.packageName 6761 + " because it was previously installed without"); 6762 } 6763 } else { 6764 if (gp.grantedPermissions.remove(perm)) { 6765 changedPermission = true; 6766 gp.gids = removeInts(gp.gids, bp.gids); 6767 Slog.i(TAG, "Un-granting permission " + perm 6768 + " from package " + pkg.packageName 6769 + " (protectionLevel=" + bp.protectionLevel 6770 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6771 + ")"); 6772 } else { 6773 Slog.w(TAG, "Not granting permission " + perm 6774 + " to package " + pkg.packageName 6775 + " (protectionLevel=" + bp.protectionLevel 6776 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6777 + ")"); 6778 } 6779 } 6780 } 6781 6782 if ((changedPermission || replace) && !ps.permissionsFixed && 6783 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6784 // This is the first that we have heard about this package, so the 6785 // permissions we have now selected are fixed until explicitly 6786 // changed. 6787 ps.permissionsFixed = true; 6788 } 6789 ps.haveGids = true; 6790 } 6791 6792 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6793 boolean allowed = false; 6794 final int NP = PackageParser.NEW_PERMISSIONS.length; 6795 for (int ip=0; ip<NP; ip++) { 6796 final PackageParser.NewPermissionInfo npi 6797 = PackageParser.NEW_PERMISSIONS[ip]; 6798 if (npi.name.equals(perm) 6799 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6800 allowed = true; 6801 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6802 + pkg.packageName); 6803 break; 6804 } 6805 } 6806 return allowed; 6807 } 6808 6809 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6810 BasePermission bp, HashSet<String> origPermissions) { 6811 boolean allowed; 6812 allowed = (compareSignatures( 6813 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6814 == PackageManager.SIGNATURE_MATCH) 6815 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6816 == PackageManager.SIGNATURE_MATCH); 6817 if (!allowed && (bp.protectionLevel 6818 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6819 if (isSystemApp(pkg)) { 6820 // For updated system applications, a system permission 6821 // is granted only if it had been defined by the original application. 6822 if (isUpdatedSystemApp(pkg)) { 6823 final PackageSetting sysPs = mSettings 6824 .getDisabledSystemPkgLPr(pkg.packageName); 6825 final GrantedPermissions origGp = sysPs.sharedUser != null 6826 ? sysPs.sharedUser : sysPs; 6827 6828 if (origGp.grantedPermissions.contains(perm)) { 6829 // If the original was granted this permission, we take 6830 // that grant decision as read and propagate it to the 6831 // update. 6832 allowed = true; 6833 } else { 6834 // The system apk may have been updated with an older 6835 // version of the one on the data partition, but which 6836 // granted a new system permission that it didn't have 6837 // before. In this case we do want to allow the app to 6838 // now get the new permission if the ancestral apk is 6839 // privileged to get it. 6840 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6841 for (int j=0; 6842 j<sysPs.pkg.requestedPermissions.size(); j++) { 6843 if (perm.equals( 6844 sysPs.pkg.requestedPermissions.get(j))) { 6845 allowed = true; 6846 break; 6847 } 6848 } 6849 } 6850 } 6851 } else { 6852 allowed = isPrivilegedApp(pkg); 6853 } 6854 } 6855 } 6856 if (!allowed && (bp.protectionLevel 6857 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6858 // For development permissions, a development permission 6859 // is granted only if it was already granted. 6860 allowed = origPermissions.contains(perm); 6861 } 6862 return allowed; 6863 } 6864 6865 final class ActivityIntentResolver 6866 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6867 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6868 boolean defaultOnly, int userId) { 6869 if (!sUserManager.exists(userId)) return null; 6870 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6871 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6872 } 6873 6874 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6875 int userId) { 6876 if (!sUserManager.exists(userId)) return null; 6877 mFlags = flags; 6878 return super.queryIntent(intent, resolvedType, 6879 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6880 } 6881 6882 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6883 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6884 if (!sUserManager.exists(userId)) return null; 6885 if (packageActivities == null) { 6886 return null; 6887 } 6888 mFlags = flags; 6889 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6890 final int N = packageActivities.size(); 6891 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6892 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6893 6894 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6895 for (int i = 0; i < N; ++i) { 6896 intentFilters = packageActivities.get(i).intents; 6897 if (intentFilters != null && intentFilters.size() > 0) { 6898 PackageParser.ActivityIntentInfo[] array = 6899 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6900 intentFilters.toArray(array); 6901 listCut.add(array); 6902 } 6903 } 6904 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6905 } 6906 6907 public final void addActivity(PackageParser.Activity a, String type) { 6908 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6909 mActivities.put(a.getComponentName(), a); 6910 if (DEBUG_SHOW_INFO) 6911 Log.v( 6912 TAG, " " + type + " " + 6913 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6914 if (DEBUG_SHOW_INFO) 6915 Log.v(TAG, " Class=" + a.info.name); 6916 final int NI = a.intents.size(); 6917 for (int j=0; j<NI; j++) { 6918 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6919 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6920 intent.setPriority(0); 6921 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6922 + a.className + " with priority > 0, forcing to 0"); 6923 } 6924 if (DEBUG_SHOW_INFO) { 6925 Log.v(TAG, " IntentFilter:"); 6926 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6927 } 6928 if (!intent.debugCheck()) { 6929 Log.w(TAG, "==> For Activity " + a.info.name); 6930 } 6931 addFilter(intent); 6932 } 6933 } 6934 6935 public final void removeActivity(PackageParser.Activity a, String type) { 6936 mActivities.remove(a.getComponentName()); 6937 if (DEBUG_SHOW_INFO) { 6938 Log.v(TAG, " " + type + " " 6939 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6940 : a.info.name) + ":"); 6941 Log.v(TAG, " Class=" + a.info.name); 6942 } 6943 final int NI = a.intents.size(); 6944 for (int j=0; j<NI; j++) { 6945 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6946 if (DEBUG_SHOW_INFO) { 6947 Log.v(TAG, " IntentFilter:"); 6948 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6949 } 6950 removeFilter(intent); 6951 } 6952 } 6953 6954 @Override 6955 protected boolean allowFilterResult( 6956 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6957 ActivityInfo filterAi = filter.activity.info; 6958 for (int i=dest.size()-1; i>=0; i--) { 6959 ActivityInfo destAi = dest.get(i).activityInfo; 6960 if (destAi.name == filterAi.name 6961 && destAi.packageName == filterAi.packageName) { 6962 return false; 6963 } 6964 } 6965 return true; 6966 } 6967 6968 @Override 6969 protected ActivityIntentInfo[] newArray(int size) { 6970 return new ActivityIntentInfo[size]; 6971 } 6972 6973 @Override 6974 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6975 if (!sUserManager.exists(userId)) return true; 6976 PackageParser.Package p = filter.activity.owner; 6977 if (p != null) { 6978 PackageSetting ps = (PackageSetting)p.mExtras; 6979 if (ps != null) { 6980 // System apps are never considered stopped for purposes of 6981 // filtering, because there may be no way for the user to 6982 // actually re-launch them. 6983 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6984 && ps.getStopped(userId); 6985 } 6986 } 6987 return false; 6988 } 6989 6990 @Override 6991 protected boolean isPackageForFilter(String packageName, 6992 PackageParser.ActivityIntentInfo info) { 6993 return packageName.equals(info.activity.owner.packageName); 6994 } 6995 6996 @Override 6997 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6998 int match, int userId) { 6999 if (!sUserManager.exists(userId)) return null; 7000 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7001 return null; 7002 } 7003 final PackageParser.Activity activity = info.activity; 7004 if (mSafeMode && (activity.info.applicationInfo.flags 7005 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7006 return null; 7007 } 7008 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7009 if (ps == null) { 7010 return null; 7011 } 7012 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7013 ps.readUserState(userId), userId); 7014 if (ai == null) { 7015 return null; 7016 } 7017 final ResolveInfo res = new ResolveInfo(); 7018 res.activityInfo = ai; 7019 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7020 res.filter = info; 7021 } 7022 res.priority = info.getPriority(); 7023 res.preferredOrder = activity.owner.mPreferredOrder; 7024 //System.out.println("Result: " + res.activityInfo.className + 7025 // " = " + res.priority); 7026 res.match = match; 7027 res.isDefault = info.hasDefault; 7028 res.labelRes = info.labelRes; 7029 res.nonLocalizedLabel = info.nonLocalizedLabel; 7030 res.icon = info.icon; 7031 res.system = isSystemApp(res.activityInfo.applicationInfo); 7032 return res; 7033 } 7034 7035 @Override 7036 protected void sortResults(List<ResolveInfo> results) { 7037 Collections.sort(results, mResolvePrioritySorter); 7038 } 7039 7040 @Override 7041 protected void dumpFilter(PrintWriter out, String prefix, 7042 PackageParser.ActivityIntentInfo filter) { 7043 out.print(prefix); out.print( 7044 Integer.toHexString(System.identityHashCode(filter.activity))); 7045 out.print(' '); 7046 filter.activity.printComponentShortName(out); 7047 out.print(" filter "); 7048 out.println(Integer.toHexString(System.identityHashCode(filter))); 7049 } 7050 7051// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7052// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7053// final List<ResolveInfo> retList = Lists.newArrayList(); 7054// while (i.hasNext()) { 7055// final ResolveInfo resolveInfo = i.next(); 7056// if (isEnabledLP(resolveInfo.activityInfo)) { 7057// retList.add(resolveInfo); 7058// } 7059// } 7060// return retList; 7061// } 7062 7063 // Keys are String (activity class name), values are Activity. 7064 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7065 = new HashMap<ComponentName, PackageParser.Activity>(); 7066 private int mFlags; 7067 } 7068 7069 private final class ServiceIntentResolver 7070 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7071 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7072 boolean defaultOnly, int userId) { 7073 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7074 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7075 } 7076 7077 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7078 int userId) { 7079 if (!sUserManager.exists(userId)) return null; 7080 mFlags = flags; 7081 return super.queryIntent(intent, resolvedType, 7082 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7083 } 7084 7085 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7086 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7087 if (!sUserManager.exists(userId)) return null; 7088 if (packageServices == null) { 7089 return null; 7090 } 7091 mFlags = flags; 7092 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7093 final int N = packageServices.size(); 7094 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7095 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7096 7097 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7098 for (int i = 0; i < N; ++i) { 7099 intentFilters = packageServices.get(i).intents; 7100 if (intentFilters != null && intentFilters.size() > 0) { 7101 PackageParser.ServiceIntentInfo[] array = 7102 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7103 intentFilters.toArray(array); 7104 listCut.add(array); 7105 } 7106 } 7107 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7108 } 7109 7110 public final void addService(PackageParser.Service s) { 7111 mServices.put(s.getComponentName(), s); 7112 if (DEBUG_SHOW_INFO) { 7113 Log.v(TAG, " " 7114 + (s.info.nonLocalizedLabel != null 7115 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7116 Log.v(TAG, " Class=" + s.info.name); 7117 } 7118 final int NI = s.intents.size(); 7119 int j; 7120 for (j=0; j<NI; j++) { 7121 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7122 if (DEBUG_SHOW_INFO) { 7123 Log.v(TAG, " IntentFilter:"); 7124 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7125 } 7126 if (!intent.debugCheck()) { 7127 Log.w(TAG, "==> For Service " + s.info.name); 7128 } 7129 addFilter(intent); 7130 } 7131 } 7132 7133 public final void removeService(PackageParser.Service s) { 7134 mServices.remove(s.getComponentName()); 7135 if (DEBUG_SHOW_INFO) { 7136 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7137 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7138 Log.v(TAG, " Class=" + s.info.name); 7139 } 7140 final int NI = s.intents.size(); 7141 int j; 7142 for (j=0; j<NI; j++) { 7143 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7144 if (DEBUG_SHOW_INFO) { 7145 Log.v(TAG, " IntentFilter:"); 7146 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7147 } 7148 removeFilter(intent); 7149 } 7150 } 7151 7152 @Override 7153 protected boolean allowFilterResult( 7154 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7155 ServiceInfo filterSi = filter.service.info; 7156 for (int i=dest.size()-1; i>=0; i--) { 7157 ServiceInfo destAi = dest.get(i).serviceInfo; 7158 if (destAi.name == filterSi.name 7159 && destAi.packageName == filterSi.packageName) { 7160 return false; 7161 } 7162 } 7163 return true; 7164 } 7165 7166 @Override 7167 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7168 return new PackageParser.ServiceIntentInfo[size]; 7169 } 7170 7171 @Override 7172 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7173 if (!sUserManager.exists(userId)) return true; 7174 PackageParser.Package p = filter.service.owner; 7175 if (p != null) { 7176 PackageSetting ps = (PackageSetting)p.mExtras; 7177 if (ps != null) { 7178 // System apps are never considered stopped for purposes of 7179 // filtering, because there may be no way for the user to 7180 // actually re-launch them. 7181 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7182 && ps.getStopped(userId); 7183 } 7184 } 7185 return false; 7186 } 7187 7188 @Override 7189 protected boolean isPackageForFilter(String packageName, 7190 PackageParser.ServiceIntentInfo info) { 7191 return packageName.equals(info.service.owner.packageName); 7192 } 7193 7194 @Override 7195 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7196 int match, int userId) { 7197 if (!sUserManager.exists(userId)) return null; 7198 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7199 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7200 return null; 7201 } 7202 final PackageParser.Service service = info.service; 7203 if (mSafeMode && (service.info.applicationInfo.flags 7204 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7205 return null; 7206 } 7207 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7208 if (ps == null) { 7209 return null; 7210 } 7211 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7212 ps.readUserState(userId), userId); 7213 if (si == null) { 7214 return null; 7215 } 7216 final ResolveInfo res = new ResolveInfo(); 7217 res.serviceInfo = si; 7218 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7219 res.filter = filter; 7220 } 7221 res.priority = info.getPriority(); 7222 res.preferredOrder = service.owner.mPreferredOrder; 7223 //System.out.println("Result: " + res.activityInfo.className + 7224 // " = " + res.priority); 7225 res.match = match; 7226 res.isDefault = info.hasDefault; 7227 res.labelRes = info.labelRes; 7228 res.nonLocalizedLabel = info.nonLocalizedLabel; 7229 res.icon = info.icon; 7230 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7231 return res; 7232 } 7233 7234 @Override 7235 protected void sortResults(List<ResolveInfo> results) { 7236 Collections.sort(results, mResolvePrioritySorter); 7237 } 7238 7239 @Override 7240 protected void dumpFilter(PrintWriter out, String prefix, 7241 PackageParser.ServiceIntentInfo filter) { 7242 out.print(prefix); out.print( 7243 Integer.toHexString(System.identityHashCode(filter.service))); 7244 out.print(' '); 7245 filter.service.printComponentShortName(out); 7246 out.print(" filter "); 7247 out.println(Integer.toHexString(System.identityHashCode(filter))); 7248 } 7249 7250// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7251// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7252// final List<ResolveInfo> retList = Lists.newArrayList(); 7253// while (i.hasNext()) { 7254// final ResolveInfo resolveInfo = (ResolveInfo) i; 7255// if (isEnabledLP(resolveInfo.serviceInfo)) { 7256// retList.add(resolveInfo); 7257// } 7258// } 7259// return retList; 7260// } 7261 7262 // Keys are String (activity class name), values are Activity. 7263 private final HashMap<ComponentName, PackageParser.Service> mServices 7264 = new HashMap<ComponentName, PackageParser.Service>(); 7265 private int mFlags; 7266 }; 7267 7268 private final class ProviderIntentResolver 7269 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7270 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7271 boolean defaultOnly, int userId) { 7272 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7273 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7274 } 7275 7276 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7277 int userId) { 7278 if (!sUserManager.exists(userId)) 7279 return null; 7280 mFlags = flags; 7281 return super.queryIntent(intent, resolvedType, 7282 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7283 } 7284 7285 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7286 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7287 if (!sUserManager.exists(userId)) 7288 return null; 7289 if (packageProviders == null) { 7290 return null; 7291 } 7292 mFlags = flags; 7293 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7294 final int N = packageProviders.size(); 7295 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7296 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7297 7298 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7299 for (int i = 0; i < N; ++i) { 7300 intentFilters = packageProviders.get(i).intents; 7301 if (intentFilters != null && intentFilters.size() > 0) { 7302 PackageParser.ProviderIntentInfo[] array = 7303 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7304 intentFilters.toArray(array); 7305 listCut.add(array); 7306 } 7307 } 7308 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7309 } 7310 7311 public final void addProvider(PackageParser.Provider p) { 7312 if (mProviders.containsKey(p.getComponentName())) { 7313 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7314 return; 7315 } 7316 7317 mProviders.put(p.getComponentName(), p); 7318 if (DEBUG_SHOW_INFO) { 7319 Log.v(TAG, " " 7320 + (p.info.nonLocalizedLabel != null 7321 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7322 Log.v(TAG, " Class=" + p.info.name); 7323 } 7324 final int NI = p.intents.size(); 7325 int j; 7326 for (j = 0; j < NI; j++) { 7327 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7328 if (DEBUG_SHOW_INFO) { 7329 Log.v(TAG, " IntentFilter:"); 7330 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7331 } 7332 if (!intent.debugCheck()) { 7333 Log.w(TAG, "==> For Provider " + p.info.name); 7334 } 7335 addFilter(intent); 7336 } 7337 } 7338 7339 public final void removeProvider(PackageParser.Provider p) { 7340 mProviders.remove(p.getComponentName()); 7341 if (DEBUG_SHOW_INFO) { 7342 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7343 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7344 Log.v(TAG, " Class=" + p.info.name); 7345 } 7346 final int NI = p.intents.size(); 7347 int j; 7348 for (j = 0; j < NI; j++) { 7349 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7350 if (DEBUG_SHOW_INFO) { 7351 Log.v(TAG, " IntentFilter:"); 7352 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7353 } 7354 removeFilter(intent); 7355 } 7356 } 7357 7358 @Override 7359 protected boolean allowFilterResult( 7360 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7361 ProviderInfo filterPi = filter.provider.info; 7362 for (int i = dest.size() - 1; i >= 0; i--) { 7363 ProviderInfo destPi = dest.get(i).providerInfo; 7364 if (destPi.name == filterPi.name 7365 && destPi.packageName == filterPi.packageName) { 7366 return false; 7367 } 7368 } 7369 return true; 7370 } 7371 7372 @Override 7373 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7374 return new PackageParser.ProviderIntentInfo[size]; 7375 } 7376 7377 @Override 7378 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7379 if (!sUserManager.exists(userId)) 7380 return true; 7381 PackageParser.Package p = filter.provider.owner; 7382 if (p != null) { 7383 PackageSetting ps = (PackageSetting) p.mExtras; 7384 if (ps != null) { 7385 // System apps are never considered stopped for purposes of 7386 // filtering, because there may be no way for the user to 7387 // actually re-launch them. 7388 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7389 && ps.getStopped(userId); 7390 } 7391 } 7392 return false; 7393 } 7394 7395 @Override 7396 protected boolean isPackageForFilter(String packageName, 7397 PackageParser.ProviderIntentInfo info) { 7398 return packageName.equals(info.provider.owner.packageName); 7399 } 7400 7401 @Override 7402 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7403 int match, int userId) { 7404 if (!sUserManager.exists(userId)) 7405 return null; 7406 final PackageParser.ProviderIntentInfo info = filter; 7407 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7408 return null; 7409 } 7410 final PackageParser.Provider provider = info.provider; 7411 if (mSafeMode && (provider.info.applicationInfo.flags 7412 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7413 return null; 7414 } 7415 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7416 if (ps == null) { 7417 return null; 7418 } 7419 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7420 ps.readUserState(userId), userId); 7421 if (pi == null) { 7422 return null; 7423 } 7424 final ResolveInfo res = new ResolveInfo(); 7425 res.providerInfo = pi; 7426 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7427 res.filter = filter; 7428 } 7429 res.priority = info.getPriority(); 7430 res.preferredOrder = provider.owner.mPreferredOrder; 7431 res.match = match; 7432 res.isDefault = info.hasDefault; 7433 res.labelRes = info.labelRes; 7434 res.nonLocalizedLabel = info.nonLocalizedLabel; 7435 res.icon = info.icon; 7436 res.system = isSystemApp(res.providerInfo.applicationInfo); 7437 return res; 7438 } 7439 7440 @Override 7441 protected void sortResults(List<ResolveInfo> results) { 7442 Collections.sort(results, mResolvePrioritySorter); 7443 } 7444 7445 @Override 7446 protected void dumpFilter(PrintWriter out, String prefix, 7447 PackageParser.ProviderIntentInfo filter) { 7448 out.print(prefix); 7449 out.print( 7450 Integer.toHexString(System.identityHashCode(filter.provider))); 7451 out.print(' '); 7452 filter.provider.printComponentShortName(out); 7453 out.print(" filter "); 7454 out.println(Integer.toHexString(System.identityHashCode(filter))); 7455 } 7456 7457 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7458 = new HashMap<ComponentName, PackageParser.Provider>(); 7459 private int mFlags; 7460 }; 7461 7462 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7463 new Comparator<ResolveInfo>() { 7464 public int compare(ResolveInfo r1, ResolveInfo r2) { 7465 int v1 = r1.priority; 7466 int v2 = r2.priority; 7467 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7468 if (v1 != v2) { 7469 return (v1 > v2) ? -1 : 1; 7470 } 7471 v1 = r1.preferredOrder; 7472 v2 = r2.preferredOrder; 7473 if (v1 != v2) { 7474 return (v1 > v2) ? -1 : 1; 7475 } 7476 if (r1.isDefault != r2.isDefault) { 7477 return r1.isDefault ? -1 : 1; 7478 } 7479 v1 = r1.match; 7480 v2 = r2.match; 7481 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7482 if (v1 != v2) { 7483 return (v1 > v2) ? -1 : 1; 7484 } 7485 if (r1.system != r2.system) { 7486 return r1.system ? -1 : 1; 7487 } 7488 return 0; 7489 } 7490 }; 7491 7492 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7493 new Comparator<ProviderInfo>() { 7494 public int compare(ProviderInfo p1, ProviderInfo p2) { 7495 final int v1 = p1.initOrder; 7496 final int v2 = p2.initOrder; 7497 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7498 } 7499 }; 7500 7501 static final void sendPackageBroadcast(String action, String pkg, 7502 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7503 int[] userIds) { 7504 IActivityManager am = ActivityManagerNative.getDefault(); 7505 if (am != null) { 7506 try { 7507 if (userIds == null) { 7508 userIds = am.getRunningUserIds(); 7509 } 7510 for (int id : userIds) { 7511 final Intent intent = new Intent(action, 7512 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7513 if (extras != null) { 7514 intent.putExtras(extras); 7515 } 7516 if (targetPkg != null) { 7517 intent.setPackage(targetPkg); 7518 } 7519 // Modify the UID when posting to other users 7520 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7521 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7522 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7523 intent.putExtra(Intent.EXTRA_UID, uid); 7524 } 7525 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7526 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7527 if (DEBUG_BROADCASTS) { 7528 RuntimeException here = new RuntimeException("here"); 7529 here.fillInStackTrace(); 7530 Slog.d(TAG, "Sending to user " + id + ": " 7531 + intent.toShortString(false, true, false, false) 7532 + " " + intent.getExtras(), here); 7533 } 7534 am.broadcastIntent(null, intent, null, finishedReceiver, 7535 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7536 finishedReceiver != null, false, id); 7537 } 7538 } catch (RemoteException ex) { 7539 } 7540 } 7541 } 7542 7543 /** 7544 * Check if the external storage media is available. This is true if there 7545 * is a mounted external storage medium or if the external storage is 7546 * emulated. 7547 */ 7548 private boolean isExternalMediaAvailable() { 7549 return mMediaMounted || Environment.isExternalStorageEmulated(); 7550 } 7551 7552 @Override 7553 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7554 // writer 7555 synchronized (mPackages) { 7556 if (!isExternalMediaAvailable()) { 7557 // If the external storage is no longer mounted at this point, 7558 // the caller may not have been able to delete all of this 7559 // packages files and can not delete any more. Bail. 7560 return null; 7561 } 7562 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7563 if (lastPackage != null) { 7564 pkgs.remove(lastPackage); 7565 } 7566 if (pkgs.size() > 0) { 7567 return pkgs.get(0); 7568 } 7569 } 7570 return null; 7571 } 7572 7573 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7574 if (false) { 7575 RuntimeException here = new RuntimeException("here"); 7576 here.fillInStackTrace(); 7577 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7578 + " andCode=" + andCode, here); 7579 } 7580 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7581 userId, andCode ? 1 : 0, packageName)); 7582 } 7583 7584 void startCleaningPackages() { 7585 // reader 7586 synchronized (mPackages) { 7587 if (!isExternalMediaAvailable()) { 7588 return; 7589 } 7590 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7591 return; 7592 } 7593 } 7594 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7595 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7596 IActivityManager am = ActivityManagerNative.getDefault(); 7597 if (am != null) { 7598 try { 7599 am.startService(null, intent, null, UserHandle.USER_OWNER); 7600 } catch (RemoteException e) { 7601 } 7602 } 7603 } 7604 7605 private final class AppDirObserver extends FileObserver { 7606 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7607 super(path, mask); 7608 mRootDir = path; 7609 mIsRom = isrom; 7610 mIsPrivileged = isPrivileged; 7611 } 7612 7613 public void onEvent(int event, String path) { 7614 String removedPackage = null; 7615 int removedAppId = -1; 7616 int[] removedUsers = null; 7617 String addedPackage = null; 7618 int addedAppId = -1; 7619 int[] addedUsers = null; 7620 7621 // TODO post a message to the handler to obtain serial ordering 7622 synchronized (mInstallLock) { 7623 String fullPathStr = null; 7624 File fullPath = null; 7625 if (path != null) { 7626 fullPath = new File(mRootDir, path); 7627 fullPathStr = fullPath.getPath(); 7628 } 7629 7630 if (DEBUG_APP_DIR_OBSERVER) 7631 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7632 7633 if (!isPackageFilename(path)) { 7634 if (DEBUG_APP_DIR_OBSERVER) 7635 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7636 return; 7637 } 7638 7639 // Ignore packages that are being installed or 7640 // have just been installed. 7641 if (ignoreCodePath(fullPathStr)) { 7642 return; 7643 } 7644 PackageParser.Package p = null; 7645 PackageSetting ps = null; 7646 // reader 7647 synchronized (mPackages) { 7648 p = mAppDirs.get(fullPathStr); 7649 if (p != null) { 7650 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7651 if (ps != null) { 7652 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7653 } else { 7654 removedUsers = sUserManager.getUserIds(); 7655 } 7656 } 7657 addedUsers = sUserManager.getUserIds(); 7658 } 7659 if ((event&REMOVE_EVENTS) != 0) { 7660 if (ps != null) { 7661 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7662 removePackageLI(ps, true); 7663 removedPackage = ps.name; 7664 removedAppId = ps.appId; 7665 } 7666 } 7667 7668 if ((event&ADD_EVENTS) != 0) { 7669 if (p == null) { 7670 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7671 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7672 if (mIsRom) { 7673 flags |= PackageParser.PARSE_IS_SYSTEM 7674 | PackageParser.PARSE_IS_SYSTEM_DIR; 7675 if (mIsPrivileged) { 7676 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7677 } 7678 } 7679 p = scanPackageLI(fullPath, flags, 7680 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7681 System.currentTimeMillis(), UserHandle.ALL, null); 7682 if (p != null) { 7683 /* 7684 * TODO this seems dangerous as the package may have 7685 * changed since we last acquired the mPackages 7686 * lock. 7687 */ 7688 // writer 7689 synchronized (mPackages) { 7690 updatePermissionsLPw(p.packageName, p, 7691 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7692 } 7693 addedPackage = p.applicationInfo.packageName; 7694 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7695 } 7696 } 7697 } 7698 7699 // reader 7700 synchronized (mPackages) { 7701 mSettings.writeLPr(); 7702 } 7703 } 7704 7705 if (removedPackage != null) { 7706 Bundle extras = new Bundle(1); 7707 extras.putInt(Intent.EXTRA_UID, removedAppId); 7708 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7709 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7710 extras, null, null, removedUsers); 7711 } 7712 if (addedPackage != null) { 7713 Bundle extras = new Bundle(1); 7714 extras.putInt(Intent.EXTRA_UID, addedAppId); 7715 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7716 extras, null, null, addedUsers); 7717 } 7718 } 7719 7720 private final String mRootDir; 7721 private final boolean mIsRom; 7722 private final boolean mIsPrivileged; 7723 } 7724 7725 /* 7726 * The old-style observer methods all just trampoline to the newer signature with 7727 * expanded install observer API. The older API continues to work but does not 7728 * supply the additional details of the Observer2 API. 7729 */ 7730 7731 /* Called when a downloaded package installation has been confirmed by the user */ 7732 public void installPackage( 7733 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7734 installPackageEtc(packageURI, observer, null, flags, null); 7735 } 7736 7737 /* Called when a downloaded package installation has been confirmed by the user */ 7738 @Override 7739 public void installPackage( 7740 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7741 final String installerPackageName) { 7742 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7743 installerPackageName, null, null, null); 7744 } 7745 7746 @Override 7747 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7748 int flags, String installerPackageName, Uri verificationURI, 7749 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7750 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7751 VerificationParams.NO_UID, manifestDigest); 7752 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7753 installerPackageName, verificationParams, encryptionParams); 7754 } 7755 7756 @Override 7757 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7758 IPackageInstallObserver observer, int flags, String installerPackageName, 7759 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7760 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7761 installerPackageName, verificationParams, encryptionParams); 7762 } 7763 7764 /* 7765 * And here are the "live" versions that take both observer arguments 7766 */ 7767 public void installPackageEtc( 7768 final Uri packageURI, final IPackageInstallObserver observer, 7769 IPackageInstallObserver2 observer2, final int flags) { 7770 installPackageEtc(packageURI, observer, observer2, flags, null); 7771 } 7772 7773 public void installPackageEtc( 7774 final Uri packageURI, final IPackageInstallObserver observer, 7775 final IPackageInstallObserver2 observer2, final int flags, 7776 final String installerPackageName) { 7777 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7778 installerPackageName, null, null, null); 7779 } 7780 7781 @Override 7782 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7783 IPackageInstallObserver2 observer2, 7784 int flags, String installerPackageName, Uri verificationURI, 7785 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7786 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7787 VerificationParams.NO_UID, manifestDigest); 7788 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7789 installerPackageName, verificationParams, encryptionParams); 7790 } 7791 7792 /* 7793 * All of the installPackage...*() methods redirect to this one for the master implementation 7794 */ 7795 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7796 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7797 int flags, String installerPackageName, 7798 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7799 if (observer == null && observer2 == null) { 7800 throw new IllegalArgumentException("No install observer supplied"); 7801 } 7802 installPackageWithVerificationEncryptionAndAbiOverrideEtc(packageURI, observer, observer2, 7803 flags, installerPackageName, verificationParams, encryptionParams, null); 7804 } 7805 7806 @Override 7807 public void installPackageWithVerificationEncryptionAndAbiOverrideEtc(Uri packageURI, 7808 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7809 int flags, String installerPackageName, 7810 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7811 String packageAbiOverride) { 7812 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7813 null); 7814 7815 final int uid = Binder.getCallingUid(); 7816 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7817 try { 7818 if (observer != null) { 7819 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7820 } 7821 if (observer2 != null) { 7822 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7823 } 7824 } catch (RemoteException re) { 7825 } 7826 return; 7827 } 7828 7829 UserHandle user; 7830 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7831 user = UserHandle.ALL; 7832 } else { 7833 user = new UserHandle(UserHandle.getUserId(uid)); 7834 } 7835 7836 final int filteredFlags; 7837 7838 if (uid == Process.SHELL_UID || uid == 0) { 7839 if (DEBUG_INSTALL) { 7840 Slog.v(TAG, "Install from ADB"); 7841 } 7842 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7843 } else { 7844 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7845 } 7846 7847 verificationParams.setInstallerUid(uid); 7848 7849 final Message msg = mHandler.obtainMessage(INIT_COPY); 7850 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7851 installerPackageName, verificationParams, encryptionParams, user, 7852 packageAbiOverride); 7853 mHandler.sendMessage(msg); 7854 } 7855 7856 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7857 Bundle extras = new Bundle(1); 7858 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7859 7860 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7861 packageName, extras, null, null, new int[] {userId}); 7862 try { 7863 IActivityManager am = ActivityManagerNative.getDefault(); 7864 final boolean isSystem = 7865 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7866 if (isSystem && am.isUserRunning(userId, false)) { 7867 // The just-installed/enabled app is bundled on the system, so presumed 7868 // to be able to run automatically without needing an explicit launch. 7869 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7870 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7871 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7872 .setPackage(packageName); 7873 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7874 android.app.AppOpsManager.OP_NONE, false, false, userId); 7875 } 7876 } catch (RemoteException e) { 7877 // shouldn't happen 7878 Slog.w(TAG, "Unable to bootstrap installed package", e); 7879 } 7880 } 7881 7882 @Override 7883 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7884 int userId) { 7885 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7886 PackageSetting pkgSetting; 7887 final int uid = Binder.getCallingUid(); 7888 if (UserHandle.getUserId(uid) != userId) { 7889 mContext.enforceCallingOrSelfPermission( 7890 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7891 "setApplicationBlockedSetting for user " + userId); 7892 } 7893 7894 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7895 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7896 return false; 7897 } 7898 7899 long callingId = Binder.clearCallingIdentity(); 7900 try { 7901 boolean sendAdded = false; 7902 boolean sendRemoved = false; 7903 // writer 7904 synchronized (mPackages) { 7905 pkgSetting = mSettings.mPackages.get(packageName); 7906 if (pkgSetting == null) { 7907 return false; 7908 } 7909 if (pkgSetting.getBlocked(userId) != blocked) { 7910 pkgSetting.setBlocked(blocked, userId); 7911 mSettings.writePackageRestrictionsLPr(userId); 7912 if (blocked) { 7913 sendRemoved = true; 7914 } else { 7915 sendAdded = true; 7916 } 7917 } 7918 } 7919 if (sendAdded) { 7920 sendPackageAddedForUser(packageName, pkgSetting, userId); 7921 return true; 7922 } 7923 if (sendRemoved) { 7924 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7925 "blocking pkg"); 7926 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7927 } 7928 } finally { 7929 Binder.restoreCallingIdentity(callingId); 7930 } 7931 return false; 7932 } 7933 7934 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7935 int userId) { 7936 final PackageRemovedInfo info = new PackageRemovedInfo(); 7937 info.removedPackage = packageName; 7938 info.removedUsers = new int[] {userId}; 7939 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7940 info.sendBroadcast(false, false, false); 7941 } 7942 7943 /** 7944 * Returns true if application is not found or there was an error. Otherwise it returns 7945 * the blocked state of the package for the given user. 7946 */ 7947 @Override 7948 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7949 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7950 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7951 "getApplicationBlocked for user " + userId); 7952 PackageSetting pkgSetting; 7953 long callingId = Binder.clearCallingIdentity(); 7954 try { 7955 // writer 7956 synchronized (mPackages) { 7957 pkgSetting = mSettings.mPackages.get(packageName); 7958 if (pkgSetting == null) { 7959 return true; 7960 } 7961 return pkgSetting.getBlocked(userId); 7962 } 7963 } finally { 7964 Binder.restoreCallingIdentity(callingId); 7965 } 7966 } 7967 7968 void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer, 7969 int flags) { 7970 // TODO: install stage! 7971 try { 7972 observer.packageInstalled(basePackageName, null, 7973 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7974 } catch (RemoteException ignored) { 7975 } 7976 } 7977 7978 /** 7979 * @hide 7980 */ 7981 @Override 7982 public int installExistingPackageAsUser(String packageName, int userId) { 7983 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7984 null); 7985 PackageSetting pkgSetting; 7986 final int uid = Binder.getCallingUid(); 7987 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7988 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7989 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7990 } 7991 7992 long callingId = Binder.clearCallingIdentity(); 7993 try { 7994 boolean sendAdded = false; 7995 Bundle extras = new Bundle(1); 7996 7997 // writer 7998 synchronized (mPackages) { 7999 pkgSetting = mSettings.mPackages.get(packageName); 8000 if (pkgSetting == null) { 8001 return PackageManager.INSTALL_FAILED_INVALID_URI; 8002 } 8003 if (!pkgSetting.getInstalled(userId)) { 8004 pkgSetting.setInstalled(true, userId); 8005 pkgSetting.setBlocked(false, userId); 8006 mSettings.writePackageRestrictionsLPr(userId); 8007 sendAdded = true; 8008 } 8009 } 8010 8011 if (sendAdded) { 8012 sendPackageAddedForUser(packageName, pkgSetting, userId); 8013 } 8014 } finally { 8015 Binder.restoreCallingIdentity(callingId); 8016 } 8017 8018 return PackageManager.INSTALL_SUCCEEDED; 8019 } 8020 8021 boolean isUserRestricted(int userId, String restrictionKey) { 8022 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8023 if (restrictions.getBoolean(restrictionKey, false)) { 8024 Log.w(TAG, "User is restricted: " + restrictionKey); 8025 return true; 8026 } 8027 return false; 8028 } 8029 8030 @Override 8031 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8032 mContext.enforceCallingOrSelfPermission( 8033 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8034 "Only package verification agents can verify applications"); 8035 8036 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8037 final PackageVerificationResponse response = new PackageVerificationResponse( 8038 verificationCode, Binder.getCallingUid()); 8039 msg.arg1 = id; 8040 msg.obj = response; 8041 mHandler.sendMessage(msg); 8042 } 8043 8044 @Override 8045 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8046 long millisecondsToDelay) { 8047 mContext.enforceCallingOrSelfPermission( 8048 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8049 "Only package verification agents can extend verification timeouts"); 8050 8051 final PackageVerificationState state = mPendingVerification.get(id); 8052 final PackageVerificationResponse response = new PackageVerificationResponse( 8053 verificationCodeAtTimeout, Binder.getCallingUid()); 8054 8055 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8056 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8057 } 8058 if (millisecondsToDelay < 0) { 8059 millisecondsToDelay = 0; 8060 } 8061 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8062 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8063 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8064 } 8065 8066 if ((state != null) && !state.timeoutExtended()) { 8067 state.extendTimeout(); 8068 8069 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8070 msg.arg1 = id; 8071 msg.obj = response; 8072 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8073 } 8074 } 8075 8076 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8077 int verificationCode, UserHandle user) { 8078 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8079 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8080 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8081 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8082 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8083 8084 mContext.sendBroadcastAsUser(intent, user, 8085 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8086 } 8087 8088 private ComponentName matchComponentForVerifier(String packageName, 8089 List<ResolveInfo> receivers) { 8090 ActivityInfo targetReceiver = null; 8091 8092 final int NR = receivers.size(); 8093 for (int i = 0; i < NR; i++) { 8094 final ResolveInfo info = receivers.get(i); 8095 if (info.activityInfo == null) { 8096 continue; 8097 } 8098 8099 if (packageName.equals(info.activityInfo.packageName)) { 8100 targetReceiver = info.activityInfo; 8101 break; 8102 } 8103 } 8104 8105 if (targetReceiver == null) { 8106 return null; 8107 } 8108 8109 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8110 } 8111 8112 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8113 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8114 if (pkgInfo.verifiers.length == 0) { 8115 return null; 8116 } 8117 8118 final int N = pkgInfo.verifiers.length; 8119 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8120 for (int i = 0; i < N; i++) { 8121 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8122 8123 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8124 receivers); 8125 if (comp == null) { 8126 continue; 8127 } 8128 8129 final int verifierUid = getUidForVerifier(verifierInfo); 8130 if (verifierUid == -1) { 8131 continue; 8132 } 8133 8134 if (DEBUG_VERIFY) { 8135 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8136 + " with the correct signature"); 8137 } 8138 sufficientVerifiers.add(comp); 8139 verificationState.addSufficientVerifier(verifierUid); 8140 } 8141 8142 return sufficientVerifiers; 8143 } 8144 8145 private int getUidForVerifier(VerifierInfo verifierInfo) { 8146 synchronized (mPackages) { 8147 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8148 if (pkg == null) { 8149 return -1; 8150 } else if (pkg.mSignatures.length != 1) { 8151 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8152 + " has more than one signature; ignoring"); 8153 return -1; 8154 } 8155 8156 /* 8157 * If the public key of the package's signature does not match 8158 * our expected public key, then this is a different package and 8159 * we should skip. 8160 */ 8161 8162 final byte[] expectedPublicKey; 8163 try { 8164 final Signature verifierSig = pkg.mSignatures[0]; 8165 final PublicKey publicKey = verifierSig.getPublicKey(); 8166 expectedPublicKey = publicKey.getEncoded(); 8167 } catch (CertificateException e) { 8168 return -1; 8169 } 8170 8171 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8172 8173 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8174 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8175 + " does not have the expected public key; ignoring"); 8176 return -1; 8177 } 8178 8179 return pkg.applicationInfo.uid; 8180 } 8181 } 8182 8183 @Override 8184 public void finishPackageInstall(int token) { 8185 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8186 8187 if (DEBUG_INSTALL) { 8188 Slog.v(TAG, "BM finishing package install for " + token); 8189 } 8190 8191 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8192 mHandler.sendMessage(msg); 8193 } 8194 8195 /** 8196 * Get the verification agent timeout. 8197 * 8198 * @return verification timeout in milliseconds 8199 */ 8200 private long getVerificationTimeout() { 8201 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8202 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8203 DEFAULT_VERIFICATION_TIMEOUT); 8204 } 8205 8206 /** 8207 * Get the default verification agent response code. 8208 * 8209 * @return default verification response code 8210 */ 8211 private int getDefaultVerificationResponse() { 8212 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8213 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8214 DEFAULT_VERIFICATION_RESPONSE); 8215 } 8216 8217 /** 8218 * Check whether or not package verification has been enabled. 8219 * 8220 * @return true if verification should be performed 8221 */ 8222 private boolean isVerificationEnabled(int flags) { 8223 if (!DEFAULT_VERIFY_ENABLE) { 8224 return false; 8225 } 8226 8227 // Check if installing from ADB 8228 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8229 // Do not run verification in a test harness environment 8230 if (ActivityManager.isRunningInTestHarness()) { 8231 return false; 8232 } 8233 // Check if the developer does not want package verification for ADB installs 8234 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8235 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8236 return false; 8237 } 8238 } 8239 8240 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8241 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8242 } 8243 8244 /** 8245 * Get the "allow unknown sources" setting. 8246 * 8247 * @return the current "allow unknown sources" setting 8248 */ 8249 private int getUnknownSourcesSettings() { 8250 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8251 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8252 -1); 8253 } 8254 8255 @Override 8256 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8257 final int uid = Binder.getCallingUid(); 8258 // writer 8259 synchronized (mPackages) { 8260 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8261 if (targetPackageSetting == null) { 8262 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8263 } 8264 8265 PackageSetting installerPackageSetting; 8266 if (installerPackageName != null) { 8267 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8268 if (installerPackageSetting == null) { 8269 throw new IllegalArgumentException("Unknown installer package: " 8270 + installerPackageName); 8271 } 8272 } else { 8273 installerPackageSetting = null; 8274 } 8275 8276 Signature[] callerSignature; 8277 Object obj = mSettings.getUserIdLPr(uid); 8278 if (obj != null) { 8279 if (obj instanceof SharedUserSetting) { 8280 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8281 } else if (obj instanceof PackageSetting) { 8282 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8283 } else { 8284 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8285 } 8286 } else { 8287 throw new SecurityException("Unknown calling uid " + uid); 8288 } 8289 8290 // Verify: can't set installerPackageName to a package that is 8291 // not signed with the same cert as the caller. 8292 if (installerPackageSetting != null) { 8293 if (compareSignatures(callerSignature, 8294 installerPackageSetting.signatures.mSignatures) 8295 != PackageManager.SIGNATURE_MATCH) { 8296 throw new SecurityException( 8297 "Caller does not have same cert as new installer package " 8298 + installerPackageName); 8299 } 8300 } 8301 8302 // Verify: if target already has an installer package, it must 8303 // be signed with the same cert as the caller. 8304 if (targetPackageSetting.installerPackageName != null) { 8305 PackageSetting setting = mSettings.mPackages.get( 8306 targetPackageSetting.installerPackageName); 8307 // If the currently set package isn't valid, then it's always 8308 // okay to change it. 8309 if (setting != null) { 8310 if (compareSignatures(callerSignature, 8311 setting.signatures.mSignatures) 8312 != PackageManager.SIGNATURE_MATCH) { 8313 throw new SecurityException( 8314 "Caller does not have same cert as old installer package " 8315 + targetPackageSetting.installerPackageName); 8316 } 8317 } 8318 } 8319 8320 // Okay! 8321 targetPackageSetting.installerPackageName = installerPackageName; 8322 scheduleWriteSettingsLocked(); 8323 } 8324 } 8325 8326 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8327 // Queue up an async operation since the package installation may take a little while. 8328 mHandler.post(new Runnable() { 8329 public void run() { 8330 mHandler.removeCallbacks(this); 8331 // Result object to be returned 8332 PackageInstalledInfo res = new PackageInstalledInfo(); 8333 res.returnCode = currentStatus; 8334 res.uid = -1; 8335 res.pkg = null; 8336 res.removedInfo = new PackageRemovedInfo(); 8337 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8338 args.doPreInstall(res.returnCode); 8339 synchronized (mInstallLock) { 8340 installPackageLI(args, true, res); 8341 } 8342 args.doPostInstall(res.returnCode, res.uid); 8343 } 8344 8345 // A restore should be performed at this point if (a) the install 8346 // succeeded, (b) the operation is not an update, and (c) the new 8347 // package has a backupAgent defined. 8348 final boolean update = res.removedInfo.removedPackage != null; 8349 boolean doRestore = (!update 8350 && res.pkg != null 8351 && res.pkg.applicationInfo.backupAgentName != null); 8352 8353 // Set up the post-install work request bookkeeping. This will be used 8354 // and cleaned up by the post-install event handling regardless of whether 8355 // there's a restore pass performed. Token values are >= 1. 8356 int token; 8357 if (mNextInstallToken < 0) mNextInstallToken = 1; 8358 token = mNextInstallToken++; 8359 8360 PostInstallData data = new PostInstallData(args, res); 8361 mRunningInstalls.put(token, data); 8362 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8363 8364 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8365 // Pass responsibility to the Backup Manager. It will perform a 8366 // restore if appropriate, then pass responsibility back to the 8367 // Package Manager to run the post-install observer callbacks 8368 // and broadcasts. 8369 IBackupManager bm = IBackupManager.Stub.asInterface( 8370 ServiceManager.getService(Context.BACKUP_SERVICE)); 8371 if (bm != null) { 8372 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8373 + " to BM for possible restore"); 8374 try { 8375 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8376 } catch (RemoteException e) { 8377 // can't happen; the backup manager is local 8378 } catch (Exception e) { 8379 Slog.e(TAG, "Exception trying to enqueue restore", e); 8380 doRestore = false; 8381 } 8382 } else { 8383 Slog.e(TAG, "Backup Manager not found!"); 8384 doRestore = false; 8385 } 8386 } 8387 8388 if (!doRestore) { 8389 // No restore possible, or the Backup Manager was mysteriously not 8390 // available -- just fire the post-install work request directly. 8391 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8392 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8393 mHandler.sendMessage(msg); 8394 } 8395 } 8396 }); 8397 } 8398 8399 private abstract class HandlerParams { 8400 private static final int MAX_RETRIES = 4; 8401 8402 /** 8403 * Number of times startCopy() has been attempted and had a non-fatal 8404 * error. 8405 */ 8406 private int mRetries = 0; 8407 8408 /** User handle for the user requesting the information or installation. */ 8409 private final UserHandle mUser; 8410 8411 HandlerParams(UserHandle user) { 8412 mUser = user; 8413 } 8414 8415 UserHandle getUser() { 8416 return mUser; 8417 } 8418 8419 final boolean startCopy() { 8420 boolean res; 8421 try { 8422 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8423 8424 if (++mRetries > MAX_RETRIES) { 8425 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8426 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8427 handleServiceError(); 8428 return false; 8429 } else { 8430 handleStartCopy(); 8431 res = true; 8432 } 8433 } catch (RemoteException e) { 8434 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8435 mHandler.sendEmptyMessage(MCS_RECONNECT); 8436 res = false; 8437 } 8438 handleReturnCode(); 8439 return res; 8440 } 8441 8442 final void serviceError() { 8443 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8444 handleServiceError(); 8445 handleReturnCode(); 8446 } 8447 8448 abstract void handleStartCopy() throws RemoteException; 8449 abstract void handleServiceError(); 8450 abstract void handleReturnCode(); 8451 } 8452 8453 class MeasureParams extends HandlerParams { 8454 private final PackageStats mStats; 8455 private boolean mSuccess; 8456 8457 private final IPackageStatsObserver mObserver; 8458 8459 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8460 super(new UserHandle(stats.userHandle)); 8461 mObserver = observer; 8462 mStats = stats; 8463 } 8464 8465 @Override 8466 public String toString() { 8467 return "MeasureParams{" 8468 + Integer.toHexString(System.identityHashCode(this)) 8469 + " " + mStats.packageName + "}"; 8470 } 8471 8472 @Override 8473 void handleStartCopy() throws RemoteException { 8474 synchronized (mInstallLock) { 8475 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8476 } 8477 8478 if (mSuccess) { 8479 final boolean mounted; 8480 if (Environment.isExternalStorageEmulated()) { 8481 mounted = true; 8482 } else { 8483 final String status = Environment.getExternalStorageState(); 8484 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8485 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8486 } 8487 8488 if (mounted) { 8489 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8490 8491 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8492 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8493 8494 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8495 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8496 8497 // Always subtract cache size, since it's a subdirectory 8498 mStats.externalDataSize -= mStats.externalCacheSize; 8499 8500 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8501 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8502 8503 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8504 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8505 } 8506 } 8507 } 8508 8509 @Override 8510 void handleReturnCode() { 8511 if (mObserver != null) { 8512 try { 8513 mObserver.onGetStatsCompleted(mStats, mSuccess); 8514 } catch (RemoteException e) { 8515 Slog.i(TAG, "Observer no longer exists."); 8516 } 8517 } 8518 } 8519 8520 @Override 8521 void handleServiceError() { 8522 Slog.e(TAG, "Could not measure application " + mStats.packageName 8523 + " external storage"); 8524 } 8525 } 8526 8527 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8528 throws RemoteException { 8529 long result = 0; 8530 for (File path : paths) { 8531 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8532 } 8533 return result; 8534 } 8535 8536 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8537 for (File path : paths) { 8538 try { 8539 mcs.clearDirectory(path.getAbsolutePath()); 8540 } catch (RemoteException e) { 8541 } 8542 } 8543 } 8544 8545 class InstallParams extends HandlerParams { 8546 final IPackageInstallObserver observer; 8547 final IPackageInstallObserver2 observer2; 8548 int flags; 8549 8550 private final Uri mPackageURI; 8551 final String installerPackageName; 8552 final VerificationParams verificationParams; 8553 private InstallArgs mArgs; 8554 private int mRet; 8555 private File mTempPackage; 8556 final ContainerEncryptionParams encryptionParams; 8557 final String packageAbiOverride; 8558 final String packageInstructionSetOverride; 8559 8560 InstallParams(Uri packageURI, 8561 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8562 int flags, String installerPackageName, VerificationParams verificationParams, 8563 ContainerEncryptionParams encryptionParams, UserHandle user, 8564 String packageAbiOverride) { 8565 super(user); 8566 this.mPackageURI = packageURI; 8567 this.flags = flags; 8568 this.observer = observer; 8569 this.observer2 = observer2; 8570 this.installerPackageName = installerPackageName; 8571 this.verificationParams = verificationParams; 8572 this.encryptionParams = encryptionParams; 8573 this.packageAbiOverride = packageAbiOverride; 8574 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8575 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8576 } 8577 8578 @Override 8579 public String toString() { 8580 return "InstallParams{" 8581 + Integer.toHexString(System.identityHashCode(this)) 8582 + " " + mPackageURI + "}"; 8583 } 8584 8585 public ManifestDigest getManifestDigest() { 8586 if (verificationParams == null) { 8587 return null; 8588 } 8589 return verificationParams.getManifestDigest(); 8590 } 8591 8592 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8593 String packageName = pkgLite.packageName; 8594 int installLocation = pkgLite.installLocation; 8595 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8596 // reader 8597 synchronized (mPackages) { 8598 PackageParser.Package pkg = mPackages.get(packageName); 8599 if (pkg != null) { 8600 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8601 // Check for downgrading. 8602 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8603 if (pkgLite.versionCode < pkg.mVersionCode) { 8604 Slog.w(TAG, "Can't install update of " + packageName 8605 + " update version " + pkgLite.versionCode 8606 + " is older than installed version " 8607 + pkg.mVersionCode); 8608 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8609 } 8610 } 8611 // Check for updated system application. 8612 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8613 if (onSd) { 8614 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8615 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8616 } 8617 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8618 } else { 8619 if (onSd) { 8620 // Install flag overrides everything. 8621 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8622 } 8623 // If current upgrade specifies particular preference 8624 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8625 // Application explicitly specified internal. 8626 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8627 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8628 // App explictly prefers external. Let policy decide 8629 } else { 8630 // Prefer previous location 8631 if (isExternal(pkg)) { 8632 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8633 } 8634 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8635 } 8636 } 8637 } else { 8638 // Invalid install. Return error code 8639 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8640 } 8641 } 8642 } 8643 // All the special cases have been taken care of. 8644 // Return result based on recommended install location. 8645 if (onSd) { 8646 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8647 } 8648 return pkgLite.recommendedInstallLocation; 8649 } 8650 8651 private long getMemoryLowThreshold() { 8652 final DeviceStorageMonitorInternal 8653 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8654 if (dsm == null) { 8655 return 0L; 8656 } 8657 return dsm.getMemoryLowThreshold(); 8658 } 8659 8660 /* 8661 * Invoke remote method to get package information and install 8662 * location values. Override install location based on default 8663 * policy if needed and then create install arguments based 8664 * on the install location. 8665 */ 8666 public void handleStartCopy() throws RemoteException { 8667 int ret = PackageManager.INSTALL_SUCCEEDED; 8668 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8669 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8670 PackageInfoLite pkgLite = null; 8671 8672 if (onInt && onSd) { 8673 // Check if both bits are set. 8674 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8675 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8676 } else { 8677 final long lowThreshold = getMemoryLowThreshold(); 8678 if (lowThreshold == 0L) { 8679 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8680 } 8681 8682 try { 8683 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8684 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8685 8686 final File packageFile; 8687 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8688 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8689 if (mTempPackage != null) { 8690 ParcelFileDescriptor out; 8691 try { 8692 out = ParcelFileDescriptor.open(mTempPackage, 8693 ParcelFileDescriptor.MODE_READ_WRITE); 8694 } catch (FileNotFoundException e) { 8695 out = null; 8696 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8697 } 8698 8699 // Make a temporary file for decryption. 8700 ret = mContainerService 8701 .copyResource(mPackageURI, encryptionParams, out); 8702 IoUtils.closeQuietly(out); 8703 8704 packageFile = mTempPackage; 8705 8706 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8707 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8708 | FileUtils.S_IROTH, 8709 -1, -1); 8710 } else { 8711 packageFile = null; 8712 } 8713 } else { 8714 packageFile = new File(mPackageURI.getPath()); 8715 } 8716 8717 if (packageFile != null) { 8718 // Remote call to find out default install location 8719 final String packageFilePath = packageFile.getAbsolutePath(); 8720 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8721 lowThreshold, packageAbiOverride); 8722 8723 /* 8724 * If we have too little free space, try to free cache 8725 * before giving up. 8726 */ 8727 if (pkgLite.recommendedInstallLocation 8728 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8729 final long size = mContainerService.calculateInstalledSize( 8730 packageFilePath, isForwardLocked(), packageAbiOverride); 8731 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8732 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8733 flags, lowThreshold, packageAbiOverride); 8734 } 8735 /* 8736 * The cache free must have deleted the file we 8737 * downloaded to install. 8738 * 8739 * TODO: fix the "freeCache" call to not delete 8740 * the file we care about. 8741 */ 8742 if (pkgLite.recommendedInstallLocation 8743 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8744 pkgLite.recommendedInstallLocation 8745 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8746 } 8747 } 8748 } 8749 } finally { 8750 mContext.revokeUriPermission(mPackageURI, 8751 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8752 } 8753 } 8754 8755 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8756 int loc = pkgLite.recommendedInstallLocation; 8757 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8758 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8759 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8760 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8761 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8762 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8763 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8764 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8765 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8766 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8767 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8768 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8769 } else { 8770 // Override with defaults if needed. 8771 loc = installLocationPolicy(pkgLite, flags); 8772 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8773 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8774 } else if (!onSd && !onInt) { 8775 // Override install location with flags 8776 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8777 // Set the flag to install on external media. 8778 flags |= PackageManager.INSTALL_EXTERNAL; 8779 flags &= ~PackageManager.INSTALL_INTERNAL; 8780 } else { 8781 // Make sure the flag for installing on external 8782 // media is unset 8783 flags |= PackageManager.INSTALL_INTERNAL; 8784 flags &= ~PackageManager.INSTALL_EXTERNAL; 8785 } 8786 } 8787 } 8788 } 8789 8790 final InstallArgs args = createInstallArgs(this); 8791 mArgs = args; 8792 8793 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8794 /* 8795 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8796 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8797 */ 8798 int userIdentifier = getUser().getIdentifier(); 8799 if (userIdentifier == UserHandle.USER_ALL 8800 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8801 userIdentifier = UserHandle.USER_OWNER; 8802 } 8803 8804 /* 8805 * Determine if we have any installed package verifiers. If we 8806 * do, then we'll defer to them to verify the packages. 8807 */ 8808 final int requiredUid = mRequiredVerifierPackage == null ? -1 8809 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8810 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8811 final Intent verification = new Intent( 8812 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8813 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8814 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8815 8816 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8817 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8818 0 /* TODO: Which userId? */); 8819 8820 if (DEBUG_VERIFY) { 8821 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8822 + verification.toString() + " with " + pkgLite.verifiers.length 8823 + " optional verifiers"); 8824 } 8825 8826 final int verificationId = mPendingVerificationToken++; 8827 8828 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8829 8830 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8831 installerPackageName); 8832 8833 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8834 8835 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8836 pkgLite.packageName); 8837 8838 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8839 pkgLite.versionCode); 8840 8841 if (verificationParams != null) { 8842 if (verificationParams.getVerificationURI() != null) { 8843 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8844 verificationParams.getVerificationURI()); 8845 } 8846 if (verificationParams.getOriginatingURI() != null) { 8847 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8848 verificationParams.getOriginatingURI()); 8849 } 8850 if (verificationParams.getReferrer() != null) { 8851 verification.putExtra(Intent.EXTRA_REFERRER, 8852 verificationParams.getReferrer()); 8853 } 8854 if (verificationParams.getOriginatingUid() >= 0) { 8855 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8856 verificationParams.getOriginatingUid()); 8857 } 8858 if (verificationParams.getInstallerUid() >= 0) { 8859 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8860 verificationParams.getInstallerUid()); 8861 } 8862 } 8863 8864 final PackageVerificationState verificationState = new PackageVerificationState( 8865 requiredUid, args); 8866 8867 mPendingVerification.append(verificationId, verificationState); 8868 8869 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8870 receivers, verificationState); 8871 8872 /* 8873 * If any sufficient verifiers were listed in the package 8874 * manifest, attempt to ask them. 8875 */ 8876 if (sufficientVerifiers != null) { 8877 final int N = sufficientVerifiers.size(); 8878 if (N == 0) { 8879 Slog.i(TAG, "Additional verifiers required, but none installed."); 8880 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8881 } else { 8882 for (int i = 0; i < N; i++) { 8883 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8884 8885 final Intent sufficientIntent = new Intent(verification); 8886 sufficientIntent.setComponent(verifierComponent); 8887 8888 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8889 } 8890 } 8891 } 8892 8893 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8894 mRequiredVerifierPackage, receivers); 8895 if (ret == PackageManager.INSTALL_SUCCEEDED 8896 && mRequiredVerifierPackage != null) { 8897 /* 8898 * Send the intent to the required verification agent, 8899 * but only start the verification timeout after the 8900 * target BroadcastReceivers have run. 8901 */ 8902 verification.setComponent(requiredVerifierComponent); 8903 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8904 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8905 new BroadcastReceiver() { 8906 @Override 8907 public void onReceive(Context context, Intent intent) { 8908 final Message msg = mHandler 8909 .obtainMessage(CHECK_PENDING_VERIFICATION); 8910 msg.arg1 = verificationId; 8911 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8912 } 8913 }, null, 0, null, null); 8914 8915 /* 8916 * We don't want the copy to proceed until verification 8917 * succeeds, so null out this field. 8918 */ 8919 mArgs = null; 8920 } 8921 } else { 8922 /* 8923 * No package verification is enabled, so immediately start 8924 * the remote call to initiate copy using temporary file. 8925 */ 8926 ret = args.copyApk(mContainerService, true); 8927 } 8928 } 8929 8930 mRet = ret; 8931 } 8932 8933 @Override 8934 void handleReturnCode() { 8935 // If mArgs is null, then MCS couldn't be reached. When it 8936 // reconnects, it will try again to install. At that point, this 8937 // will succeed. 8938 if (mArgs != null) { 8939 processPendingInstall(mArgs, mRet); 8940 8941 if (mTempPackage != null) { 8942 if (!mTempPackage.delete()) { 8943 Slog.w(TAG, "Couldn't delete temporary file: " + 8944 mTempPackage.getAbsolutePath()); 8945 } 8946 } 8947 } 8948 } 8949 8950 @Override 8951 void handleServiceError() { 8952 mArgs = createInstallArgs(this); 8953 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8954 } 8955 8956 public boolean isForwardLocked() { 8957 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8958 } 8959 8960 public Uri getPackageUri() { 8961 if (mTempPackage != null) { 8962 return Uri.fromFile(mTempPackage); 8963 } else { 8964 return mPackageURI; 8965 } 8966 } 8967 } 8968 8969 /* 8970 * Utility class used in movePackage api. 8971 * srcArgs and targetArgs are not set for invalid flags and make 8972 * sure to do null checks when invoking methods on them. 8973 * We probably want to return ErrorPrams for both failed installs 8974 * and moves. 8975 */ 8976 class MoveParams extends HandlerParams { 8977 final IPackageMoveObserver observer; 8978 final int flags; 8979 final String packageName; 8980 final InstallArgs srcArgs; 8981 final InstallArgs targetArgs; 8982 int uid; 8983 int mRet; 8984 8985 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8986 String packageName, String dataDir, String instructionSet, 8987 int uid, UserHandle user) { 8988 super(user); 8989 this.srcArgs = srcArgs; 8990 this.observer = observer; 8991 this.flags = flags; 8992 this.packageName = packageName; 8993 this.uid = uid; 8994 if (srcArgs != null) { 8995 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8996 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8997 } else { 8998 targetArgs = null; 8999 } 9000 } 9001 9002 @Override 9003 public String toString() { 9004 return "MoveParams{" 9005 + Integer.toHexString(System.identityHashCode(this)) 9006 + " " + packageName + "}"; 9007 } 9008 9009 public void handleStartCopy() throws RemoteException { 9010 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9011 // Check for storage space on target medium 9012 if (!targetArgs.checkFreeStorage(mContainerService)) { 9013 Log.w(TAG, "Insufficient storage to install"); 9014 return; 9015 } 9016 9017 mRet = srcArgs.doPreCopy(); 9018 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 9019 return; 9020 } 9021 9022 mRet = targetArgs.copyApk(mContainerService, false); 9023 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 9024 srcArgs.doPostCopy(uid); 9025 return; 9026 } 9027 9028 mRet = srcArgs.doPostCopy(uid); 9029 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 9030 return; 9031 } 9032 9033 mRet = targetArgs.doPreInstall(mRet); 9034 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 9035 return; 9036 } 9037 9038 if (DEBUG_SD_INSTALL) { 9039 StringBuilder builder = new StringBuilder(); 9040 if (srcArgs != null) { 9041 builder.append("src: "); 9042 builder.append(srcArgs.getCodePath()); 9043 } 9044 if (targetArgs != null) { 9045 builder.append(" target : "); 9046 builder.append(targetArgs.getCodePath()); 9047 } 9048 Log.i(TAG, builder.toString()); 9049 } 9050 } 9051 9052 @Override 9053 void handleReturnCode() { 9054 targetArgs.doPostInstall(mRet, uid); 9055 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 9056 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 9057 currentStatus = PackageManager.MOVE_SUCCEEDED; 9058 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 9059 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 9060 } 9061 processPendingMove(this, currentStatus); 9062 } 9063 9064 @Override 9065 void handleServiceError() { 9066 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9067 } 9068 } 9069 9070 /** 9071 * Used during creation of InstallArgs 9072 * 9073 * @param flags package installation flags 9074 * @return true if should be installed on external storage 9075 */ 9076 private static boolean installOnSd(int flags) { 9077 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 9078 return false; 9079 } 9080 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 9081 return true; 9082 } 9083 return false; 9084 } 9085 9086 /** 9087 * Used during creation of InstallArgs 9088 * 9089 * @param flags package installation flags 9090 * @return true if should be installed as forward locked 9091 */ 9092 private static boolean installForwardLocked(int flags) { 9093 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9094 } 9095 9096 private InstallArgs createInstallArgs(InstallParams params) { 9097 if (installOnSd(params.flags) || params.isForwardLocked()) { 9098 return new AsecInstallArgs(params); 9099 } else { 9100 return new FileInstallArgs(params); 9101 } 9102 } 9103 9104 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 9105 String nativeLibraryPath, String instructionSet) { 9106 final boolean isInAsec; 9107 if (installOnSd(flags)) { 9108 /* Apps on SD card are always in ASEC containers. */ 9109 isInAsec = true; 9110 } else if (installForwardLocked(flags) 9111 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9112 /* 9113 * Forward-locked apps are only in ASEC containers if they're the 9114 * new style 9115 */ 9116 isInAsec = true; 9117 } else { 9118 isInAsec = false; 9119 } 9120 9121 if (isInAsec) { 9122 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 9123 instructionSet, installOnSd(flags), installForwardLocked(flags)); 9124 } else { 9125 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 9126 instructionSet); 9127 } 9128 } 9129 9130 // Used by package mover 9131 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 9132 String instructionSet) { 9133 if (installOnSd(flags) || installForwardLocked(flags)) { 9134 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 9135 + AsecInstallArgs.RES_FILE_NAME); 9136 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 9137 installForwardLocked(flags)); 9138 } else { 9139 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 9140 } 9141 } 9142 9143 static abstract class InstallArgs { 9144 final IPackageInstallObserver observer; 9145 final IPackageInstallObserver2 observer2; 9146 // Always refers to PackageManager flags only 9147 final int flags; 9148 final Uri packageURI; 9149 final String installerPackageName; 9150 final ManifestDigest manifestDigest; 9151 final UserHandle user; 9152 final String instructionSet; 9153 final String abiOverride; 9154 9155 InstallArgs(Uri packageURI, 9156 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 9157 int flags, String installerPackageName, ManifestDigest manifestDigest, 9158 UserHandle user, String instructionSet, String abiOverride) { 9159 this.packageURI = packageURI; 9160 this.flags = flags; 9161 this.observer = observer; 9162 this.observer2 = observer2; 9163 this.installerPackageName = installerPackageName; 9164 this.manifestDigest = manifestDigest; 9165 this.user = user; 9166 this.instructionSet = instructionSet; 9167 this.abiOverride = abiOverride; 9168 } 9169 9170 abstract void createCopyFile(); 9171 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9172 abstract int doPreInstall(int status); 9173 abstract boolean doRename(int status, String pkgName, String oldCodePath); 9174 9175 abstract int doPostInstall(int status, int uid); 9176 abstract String getCodePath(); 9177 abstract String getResourcePath(); 9178 abstract String getNativeLibraryPath(); 9179 // Need installer lock especially for dex file removal. 9180 abstract void cleanUpResourcesLI(); 9181 abstract boolean doPostDeleteLI(boolean delete); 9182 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9183 9184 String[] getSplitCodePaths() { 9185 return null; 9186 } 9187 9188 /** 9189 * Called before the source arguments are copied. This is used mostly 9190 * for MoveParams when it needs to read the source file to put it in the 9191 * destination. 9192 */ 9193 int doPreCopy() { 9194 return PackageManager.INSTALL_SUCCEEDED; 9195 } 9196 9197 /** 9198 * Called after the source arguments are copied. This is used mostly for 9199 * MoveParams when it needs to read the source file to put it in the 9200 * destination. 9201 * 9202 * @return 9203 */ 9204 int doPostCopy(int uid) { 9205 return PackageManager.INSTALL_SUCCEEDED; 9206 } 9207 9208 protected boolean isFwdLocked() { 9209 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9210 } 9211 9212 UserHandle getUser() { 9213 return user; 9214 } 9215 } 9216 9217 class FileInstallArgs extends InstallArgs { 9218 File installDir; 9219 String codeFileName; 9220 String resourceFileName; 9221 String libraryPath; 9222 boolean created = false; 9223 9224 FileInstallArgs(InstallParams params) { 9225 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9226 params.installerPackageName, params.getManifestDigest(), 9227 params.getUser(), params.packageInstructionSetOverride, 9228 params.packageAbiOverride); 9229 } 9230 9231 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9232 String instructionSet) { 9233 super(null, null, null, 0, null, null, null, instructionSet, null); 9234 File codeFile = new File(fullCodePath); 9235 installDir = codeFile.getParentFile(); 9236 codeFileName = fullCodePath; 9237 resourceFileName = fullResourcePath; 9238 libraryPath = nativeLibraryPath; 9239 } 9240 9241 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 9242 super(packageURI, null, null, 0, null, null, null, instructionSet, null); 9243 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9244 String apkName = getNextCodePath(null, pkgName, ".apk"); 9245 codeFileName = new File(installDir, apkName + ".apk").getPath(); 9246 resourceFileName = getResourcePathFromCodePath(); 9247 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 9248 } 9249 9250 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9251 final long lowThreshold; 9252 9253 final DeviceStorageMonitorInternal 9254 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9255 if (dsm == null) { 9256 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9257 lowThreshold = 0L; 9258 } else { 9259 if (dsm.isMemoryLow()) { 9260 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9261 return false; 9262 } 9263 9264 lowThreshold = dsm.getMemoryLowThreshold(); 9265 } 9266 9267 try { 9268 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9269 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9270 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9271 } finally { 9272 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9273 } 9274 } 9275 9276 void createCopyFile() { 9277 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9278 codeFileName = createTempPackageFile(installDir).getPath(); 9279 resourceFileName = getResourcePathFromCodePath(); 9280 libraryPath = getLibraryPathFromCodePath(); 9281 created = true; 9282 } 9283 9284 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9285 if (temp) { 9286 // Generate temp file name 9287 createCopyFile(); 9288 } 9289 // Get a ParcelFileDescriptor to write to the output file 9290 File codeFile = new File(codeFileName); 9291 if (!created) { 9292 try { 9293 codeFile.createNewFile(); 9294 // Set permissions 9295 if (!setPermissions()) { 9296 // Failed setting permissions. 9297 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9298 } 9299 } catch (IOException e) { 9300 Slog.w(TAG, "Failed to create file " + codeFile); 9301 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9302 } 9303 } 9304 ParcelFileDescriptor out = null; 9305 try { 9306 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9307 } catch (FileNotFoundException e) { 9308 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9309 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9310 } 9311 // Copy the resource now 9312 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9313 try { 9314 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9315 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9316 ret = imcs.copyResource(packageURI, null, out); 9317 } finally { 9318 IoUtils.closeQuietly(out); 9319 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9320 } 9321 9322 if (isFwdLocked()) { 9323 final File destResourceFile = new File(getResourcePath()); 9324 9325 // Copy the public files 9326 try { 9327 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9328 } catch (IOException e) { 9329 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9330 + " forward-locked app."); 9331 destResourceFile.delete(); 9332 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9333 } 9334 } 9335 9336 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9337 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9338 if (nativeLibraryFile.exists()) { 9339 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9340 nativeLibraryFile.delete(); 9341 } 9342 9343 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(codeFile); 9344 String[] abiList = (abiOverride != null) ? 9345 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9346 try { 9347 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 9348 abiOverride == null && 9349 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9350 abiList = Build.SUPPORTED_32_BIT_ABIS; 9351 } 9352 9353 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 9354 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9355 return copyRet; 9356 } 9357 } catch (IOException e) { 9358 Slog.e(TAG, "Copying native libraries failed", e); 9359 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9360 } finally { 9361 handle.close(); 9362 } 9363 9364 return ret; 9365 } 9366 9367 int doPreInstall(int status) { 9368 if (status != PackageManager.INSTALL_SUCCEEDED) { 9369 cleanUp(); 9370 } 9371 return status; 9372 } 9373 9374 boolean doRename(int status, final String pkgName, String oldCodePath) { 9375 if (status != PackageManager.INSTALL_SUCCEEDED) { 9376 cleanUp(); 9377 return false; 9378 } else { 9379 final File oldCodeFile = new File(getCodePath()); 9380 final File oldResourceFile = new File(getResourcePath()); 9381 final File oldLibraryFile = new File(getNativeLibraryPath()); 9382 9383 // Rename APK file based on packageName 9384 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9385 final File newCodeFile = new File(installDir, apkName + ".apk"); 9386 if (!oldCodeFile.renameTo(newCodeFile)) { 9387 return false; 9388 } 9389 codeFileName = newCodeFile.getPath(); 9390 9391 // Rename public resource file if it's forward-locked. 9392 final File newResFile = new File(getResourcePathFromCodePath()); 9393 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9394 return false; 9395 } 9396 resourceFileName = newResFile.getPath(); 9397 9398 // Rename library path 9399 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9400 if (newLibraryFile.exists()) { 9401 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9402 newLibraryFile.delete(); 9403 } 9404 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9405 Slog.e(TAG, "Cannot rename native library directory " 9406 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9407 return false; 9408 } 9409 libraryPath = newLibraryFile.getPath(); 9410 9411 // Attempt to set permissions 9412 if (!setPermissions()) { 9413 return false; 9414 } 9415 9416 if (!SELinux.restorecon(newCodeFile)) { 9417 return false; 9418 } 9419 9420 return true; 9421 } 9422 } 9423 9424 int doPostInstall(int status, int uid) { 9425 if (status != PackageManager.INSTALL_SUCCEEDED) { 9426 cleanUp(); 9427 } 9428 return status; 9429 } 9430 9431 private String getResourcePathFromCodePath() { 9432 final String codePath = getCodePath(); 9433 if (isFwdLocked()) { 9434 final StringBuilder sb = new StringBuilder(); 9435 9436 sb.append(mAppInstallDir.getPath()); 9437 sb.append('/'); 9438 sb.append(getApkName(codePath)); 9439 sb.append(".zip"); 9440 9441 /* 9442 * If our APK is a temporary file, mark the resource as a 9443 * temporary file as well so it can be cleaned up after 9444 * catastrophic failure. 9445 */ 9446 if (codePath.endsWith(".tmp")) { 9447 sb.append(".tmp"); 9448 } 9449 9450 return sb.toString(); 9451 } else { 9452 return codePath; 9453 } 9454 } 9455 9456 private String getLibraryPathFromCodePath() { 9457 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9458 } 9459 9460 @Override 9461 String getCodePath() { 9462 return codeFileName; 9463 } 9464 9465 @Override 9466 String getResourcePath() { 9467 return resourceFileName; 9468 } 9469 9470 @Override 9471 String getNativeLibraryPath() { 9472 if (libraryPath == null) { 9473 libraryPath = getLibraryPathFromCodePath(); 9474 } 9475 return libraryPath; 9476 } 9477 9478 private boolean cleanUp() { 9479 boolean ret = true; 9480 String sourceDir = getCodePath(); 9481 String publicSourceDir = getResourcePath(); 9482 if (sourceDir != null) { 9483 File sourceFile = new File(sourceDir); 9484 if (!sourceFile.exists()) { 9485 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9486 ret = false; 9487 } 9488 // Delete application's code and resources 9489 sourceFile.delete(); 9490 } 9491 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9492 final File publicSourceFile = new File(publicSourceDir); 9493 if (!publicSourceFile.exists()) { 9494 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9495 } 9496 if (publicSourceFile.exists()) { 9497 publicSourceFile.delete(); 9498 } 9499 } 9500 9501 if (libraryPath != null) { 9502 File nativeLibraryFile = new File(libraryPath); 9503 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9504 if (!nativeLibraryFile.delete()) { 9505 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9506 } 9507 } 9508 9509 return ret; 9510 } 9511 9512 void cleanUpResourcesLI() { 9513 String sourceDir = getCodePath(); 9514 if (cleanUp()) { 9515 if (instructionSet == null) { 9516 throw new IllegalStateException("instructionSet == null"); 9517 } 9518 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9519 if (retCode < 0) { 9520 Slog.w(TAG, "Couldn't remove dex file for package: " 9521 + " at location " 9522 + sourceDir + ", retcode=" + retCode); 9523 // we don't consider this to be a failure of the core package deletion 9524 } 9525 } 9526 } 9527 9528 private boolean setPermissions() { 9529 // TODO Do this in a more elegant way later on. for now just a hack 9530 if (!isFwdLocked()) { 9531 final int filePermissions = 9532 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9533 |FileUtils.S_IROTH; 9534 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9535 if (retCode != 0) { 9536 Slog.e(TAG, "Couldn't set new package file permissions for " + 9537 getCodePath() 9538 + ". The return code was: " + retCode); 9539 // TODO Define new internal error 9540 return false; 9541 } 9542 return true; 9543 } 9544 return true; 9545 } 9546 9547 boolean doPostDeleteLI(boolean delete) { 9548 // XXX err, shouldn't we respect the delete flag? 9549 cleanUpResourcesLI(); 9550 return true; 9551 } 9552 } 9553 9554 private boolean isAsecExternal(String cid) { 9555 final String asecPath = PackageHelper.getSdFilesystem(cid); 9556 return !asecPath.startsWith(mAsecInternalPath); 9557 } 9558 9559 /** 9560 * Extract the MountService "container ID" from the full code path of an 9561 * .apk. 9562 */ 9563 static String cidFromCodePath(String fullCodePath) { 9564 int eidx = fullCodePath.lastIndexOf("/"); 9565 String subStr1 = fullCodePath.substring(0, eidx); 9566 int sidx = subStr1.lastIndexOf("/"); 9567 return subStr1.substring(sidx+1, eidx); 9568 } 9569 9570 class AsecInstallArgs extends InstallArgs { 9571 static final String RES_FILE_NAME = "pkg.apk"; 9572 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9573 9574 String cid; 9575 String packagePath; 9576 String resourcePath; 9577 String libraryPath; 9578 9579 AsecInstallArgs(InstallParams params) { 9580 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9581 params.installerPackageName, params.getManifestDigest(), 9582 params.getUser(), params.packageInstructionSetOverride, 9583 params.packageAbiOverride); 9584 } 9585 9586 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9587 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9588 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9589 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9590 null, null, null, instructionSet, null); 9591 // Extract cid from fullCodePath 9592 int eidx = fullCodePath.lastIndexOf("/"); 9593 String subStr1 = fullCodePath.substring(0, eidx); 9594 int sidx = subStr1.lastIndexOf("/"); 9595 cid = subStr1.substring(sidx+1, eidx); 9596 setCachePath(subStr1); 9597 } 9598 9599 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9600 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9601 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9602 null, null, null, instructionSet, null); 9603 this.cid = cid; 9604 setCachePath(PackageHelper.getSdDir(cid)); 9605 } 9606 9607 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9608 boolean isExternal, boolean isForwardLocked) { 9609 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9610 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9611 null, null, null, instructionSet, null); 9612 this.cid = cid; 9613 } 9614 9615 void createCopyFile() { 9616 cid = getTempContainerId(); 9617 } 9618 9619 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9620 try { 9621 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9622 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9623 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9624 } finally { 9625 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9626 } 9627 } 9628 9629 private final boolean isExternal() { 9630 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9631 } 9632 9633 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9634 if (temp) { 9635 createCopyFile(); 9636 } else { 9637 /* 9638 * Pre-emptively destroy the container since it's destroyed if 9639 * copying fails due to it existing anyway. 9640 */ 9641 PackageHelper.destroySdDir(cid); 9642 } 9643 9644 final String newCachePath; 9645 try { 9646 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9647 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9648 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9649 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9650 abiOverride); 9651 } finally { 9652 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9653 } 9654 9655 if (newCachePath != null) { 9656 setCachePath(newCachePath); 9657 return PackageManager.INSTALL_SUCCEEDED; 9658 } else { 9659 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9660 } 9661 } 9662 9663 @Override 9664 String getCodePath() { 9665 return packagePath; 9666 } 9667 9668 @Override 9669 String getResourcePath() { 9670 return resourcePath; 9671 } 9672 9673 @Override 9674 String getNativeLibraryPath() { 9675 return libraryPath; 9676 } 9677 9678 int doPreInstall(int status) { 9679 if (status != PackageManager.INSTALL_SUCCEEDED) { 9680 // Destroy container 9681 PackageHelper.destroySdDir(cid); 9682 } else { 9683 boolean mounted = PackageHelper.isContainerMounted(cid); 9684 if (!mounted) { 9685 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9686 Process.SYSTEM_UID); 9687 if (newCachePath != null) { 9688 setCachePath(newCachePath); 9689 } else { 9690 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9691 } 9692 } 9693 } 9694 return status; 9695 } 9696 9697 boolean doRename(int status, final String pkgName, 9698 String oldCodePath) { 9699 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9700 String newCachePath = null; 9701 if (PackageHelper.isContainerMounted(cid)) { 9702 // Unmount the container 9703 if (!PackageHelper.unMountSdDir(cid)) { 9704 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9705 return false; 9706 } 9707 } 9708 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9709 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9710 " which might be stale. Will try to clean up."); 9711 // Clean up the stale container and proceed to recreate. 9712 if (!PackageHelper.destroySdDir(newCacheId)) { 9713 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9714 return false; 9715 } 9716 // Successfully cleaned up stale container. Try to rename again. 9717 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9718 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9719 + " inspite of cleaning it up."); 9720 return false; 9721 } 9722 } 9723 if (!PackageHelper.isContainerMounted(newCacheId)) { 9724 Slog.w(TAG, "Mounting container " + newCacheId); 9725 newCachePath = PackageHelper.mountSdDir(newCacheId, 9726 getEncryptKey(), Process.SYSTEM_UID); 9727 } else { 9728 newCachePath = PackageHelper.getSdDir(newCacheId); 9729 } 9730 if (newCachePath == null) { 9731 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9732 return false; 9733 } 9734 Log.i(TAG, "Succesfully renamed " + cid + 9735 " to " + newCacheId + 9736 " at new path: " + newCachePath); 9737 cid = newCacheId; 9738 setCachePath(newCachePath); 9739 return true; 9740 } 9741 9742 private void setCachePath(String newCachePath) { 9743 File cachePath = new File(newCachePath); 9744 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9745 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9746 9747 if (isFwdLocked()) { 9748 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9749 } else { 9750 resourcePath = packagePath; 9751 } 9752 } 9753 9754 int doPostInstall(int status, int uid) { 9755 if (status != PackageManager.INSTALL_SUCCEEDED) { 9756 cleanUp(); 9757 } else { 9758 final int groupOwner; 9759 final String protectedFile; 9760 if (isFwdLocked()) { 9761 groupOwner = UserHandle.getSharedAppGid(uid); 9762 protectedFile = RES_FILE_NAME; 9763 } else { 9764 groupOwner = -1; 9765 protectedFile = null; 9766 } 9767 9768 if (uid < Process.FIRST_APPLICATION_UID 9769 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9770 Slog.e(TAG, "Failed to finalize " + cid); 9771 PackageHelper.destroySdDir(cid); 9772 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9773 } 9774 9775 boolean mounted = PackageHelper.isContainerMounted(cid); 9776 if (!mounted) { 9777 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9778 } 9779 } 9780 return status; 9781 } 9782 9783 private void cleanUp() { 9784 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9785 9786 // Destroy secure container 9787 PackageHelper.destroySdDir(cid); 9788 } 9789 9790 void cleanUpResourcesLI() { 9791 String sourceFile = getCodePath(); 9792 // Remove dex file 9793 if (instructionSet == null) { 9794 throw new IllegalStateException("instructionSet == null"); 9795 } 9796 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9797 if (retCode < 0) { 9798 Slog.w(TAG, "Couldn't remove dex file for package: " 9799 + " at location " 9800 + sourceFile.toString() + ", retcode=" + retCode); 9801 // we don't consider this to be a failure of the core package deletion 9802 } 9803 cleanUp(); 9804 } 9805 9806 boolean matchContainer(String app) { 9807 if (cid.startsWith(app)) { 9808 return true; 9809 } 9810 return false; 9811 } 9812 9813 String getPackageName() { 9814 return getAsecPackageName(cid); 9815 } 9816 9817 boolean doPostDeleteLI(boolean delete) { 9818 boolean ret = false; 9819 boolean mounted = PackageHelper.isContainerMounted(cid); 9820 if (mounted) { 9821 // Unmount first 9822 ret = PackageHelper.unMountSdDir(cid); 9823 } 9824 if (ret && delete) { 9825 cleanUpResourcesLI(); 9826 } 9827 return ret; 9828 } 9829 9830 @Override 9831 int doPreCopy() { 9832 if (isFwdLocked()) { 9833 if (!PackageHelper.fixSdPermissions(cid, 9834 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9835 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9836 } 9837 } 9838 9839 return PackageManager.INSTALL_SUCCEEDED; 9840 } 9841 9842 @Override 9843 int doPostCopy(int uid) { 9844 if (isFwdLocked()) { 9845 if (uid < Process.FIRST_APPLICATION_UID 9846 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9847 RES_FILE_NAME)) { 9848 Slog.e(TAG, "Failed to finalize " + cid); 9849 PackageHelper.destroySdDir(cid); 9850 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9851 } 9852 } 9853 9854 return PackageManager.INSTALL_SUCCEEDED; 9855 } 9856 } 9857 9858 static String getAsecPackageName(String packageCid) { 9859 int idx = packageCid.lastIndexOf("-"); 9860 if (idx == -1) { 9861 return packageCid; 9862 } 9863 return packageCid.substring(0, idx); 9864 } 9865 9866 // Utility method used to create code paths based on package name and available index. 9867 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9868 String idxStr = ""; 9869 int idx = 1; 9870 // Fall back to default value of idx=1 if prefix is not 9871 // part of oldCodePath 9872 if (oldCodePath != null) { 9873 String subStr = oldCodePath; 9874 // Drop the suffix right away 9875 if (subStr.endsWith(suffix)) { 9876 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9877 } 9878 // If oldCodePath already contains prefix find out the 9879 // ending index to either increment or decrement. 9880 int sidx = subStr.lastIndexOf(prefix); 9881 if (sidx != -1) { 9882 subStr = subStr.substring(sidx + prefix.length()); 9883 if (subStr != null) { 9884 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9885 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9886 } 9887 try { 9888 idx = Integer.parseInt(subStr); 9889 if (idx <= 1) { 9890 idx++; 9891 } else { 9892 idx--; 9893 } 9894 } catch(NumberFormatException e) { 9895 } 9896 } 9897 } 9898 } 9899 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9900 return prefix + idxStr; 9901 } 9902 9903 // Utility method used to ignore ADD/REMOVE events 9904 // by directory observer. 9905 private static boolean ignoreCodePath(String fullPathStr) { 9906 String apkName = getApkName(fullPathStr); 9907 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9908 if (idx != -1 && ((idx+1) < apkName.length())) { 9909 // Make sure the package ends with a numeral 9910 String version = apkName.substring(idx+1); 9911 try { 9912 Integer.parseInt(version); 9913 return true; 9914 } catch (NumberFormatException e) {} 9915 } 9916 return false; 9917 } 9918 9919 // Utility method that returns the relative package path with respect 9920 // to the installation directory. Like say for /data/data/com.test-1.apk 9921 // string com.test-1 is returned. 9922 static String getApkName(String codePath) { 9923 if (codePath == null) { 9924 return null; 9925 } 9926 int sidx = codePath.lastIndexOf("/"); 9927 int eidx = codePath.lastIndexOf("."); 9928 if (eidx == -1) { 9929 eidx = codePath.length(); 9930 } else if (eidx == 0) { 9931 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9932 return null; 9933 } 9934 return codePath.substring(sidx+1, eidx); 9935 } 9936 9937 private static String[] deriveSplitResPaths(String[] splitCodePaths) { 9938 String[] splitResPaths = null; 9939 if (!ArrayUtils.isEmpty(splitCodePaths)) { 9940 splitResPaths = new String[splitCodePaths.length]; 9941 for (int i = 0; i < splitCodePaths.length; i++) { 9942 final String splitCodePath = splitCodePaths[i]; 9943 final String resName = getApkName(splitCodePath) + ".zip"; 9944 splitResPaths[i] = new File(new File(splitCodePath).getParentFile(), 9945 resName).getAbsolutePath(); 9946 } 9947 } 9948 return splitResPaths; 9949 } 9950 9951 class PackageInstalledInfo { 9952 String name; 9953 int uid; 9954 // The set of users that originally had this package installed. 9955 int[] origUsers; 9956 // The set of users that now have this package installed. 9957 int[] newUsers; 9958 PackageParser.Package pkg; 9959 int returnCode; 9960 PackageRemovedInfo removedInfo; 9961 9962 // In some error cases we want to convey more info back to the observer 9963 String origPackage; 9964 String origPermission; 9965 } 9966 9967 /* 9968 * Install a non-existing package. 9969 */ 9970 private void installNewPackageLI(PackageParser.Package pkg, 9971 int parseFlags, int scanMode, UserHandle user, 9972 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9973 // Remember this for later, in case we need to rollback this install 9974 String pkgName = pkg.packageName; 9975 9976 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9977 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9978 synchronized(mPackages) { 9979 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9980 // A package with the same name is already installed, though 9981 // it has been renamed to an older name. The package we 9982 // are trying to install should be installed as an update to 9983 // the existing one, but that has not been requested, so bail. 9984 Slog.w(TAG, "Attempt to re-install " + pkgName 9985 + " without first uninstalling package running as " 9986 + mSettings.mRenamedPackages.get(pkgName)); 9987 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9988 return; 9989 } 9990 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 9991 // Don't allow installation over an existing package with the same name. 9992 Slog.w(TAG, "Attempt to re-install " + pkgName 9993 + " without first uninstalling."); 9994 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9995 return; 9996 } 9997 } 9998 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9999 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 10000 System.currentTimeMillis(), user, abiOverride); 10001 if (newPackage == null) { 10002 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10003 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10004 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10005 } 10006 } else { 10007 updateSettingsLI(newPackage, installerPackageName, null, null, res); 10008 // delete the partially installed application. the data directory will have to be 10009 // restored if it was already existing 10010 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10011 // remove package from internal structures. Note that we want deletePackageX to 10012 // delete the package data and cache directories that it created in 10013 // scanPackageLocked, unless those directories existed before we even tried to 10014 // install. 10015 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 10016 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 10017 res.removedInfo, true); 10018 } 10019 } 10020 } 10021 10022 private void replacePackageLI(PackageParser.Package pkg, 10023 int parseFlags, int scanMode, UserHandle user, 10024 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10025 10026 PackageParser.Package oldPackage; 10027 String pkgName = pkg.packageName; 10028 int[] allUsers; 10029 boolean[] perUserInstalled; 10030 10031 // First find the old package info and check signatures 10032 synchronized(mPackages) { 10033 oldPackage = mPackages.get(pkgName); 10034 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10035 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10036 != PackageManager.SIGNATURE_MATCH) { 10037 Slog.w(TAG, "New package has a different signature: " + pkgName); 10038 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 10039 return; 10040 } 10041 10042 // In case of rollback, remember per-user/profile install state 10043 PackageSetting ps = mSettings.mPackages.get(pkgName); 10044 allUsers = sUserManager.getUserIds(); 10045 perUserInstalled = new boolean[allUsers.length]; 10046 for (int i = 0; i < allUsers.length; i++) { 10047 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10048 } 10049 } 10050 boolean sysPkg = (isSystemApp(oldPackage)); 10051 if (sysPkg) { 10052 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 10053 user, allUsers, perUserInstalled, installerPackageName, res, 10054 abiOverride); 10055 } else { 10056 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 10057 user, allUsers, perUserInstalled, installerPackageName, res, 10058 abiOverride); 10059 } 10060 } 10061 10062 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10063 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10064 int[] allUsers, boolean[] perUserInstalled, 10065 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10066 PackageParser.Package newPackage = null; 10067 String pkgName = deletedPackage.packageName; 10068 boolean deletedPkg = true; 10069 boolean updatedSettings = false; 10070 10071 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10072 + deletedPackage); 10073 long origUpdateTime; 10074 if (pkg.mExtras != null) { 10075 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10076 } else { 10077 origUpdateTime = 0; 10078 } 10079 10080 // First delete the existing package while retaining the data directory 10081 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10082 res.removedInfo, true)) { 10083 // If the existing package wasn't successfully deleted 10084 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10085 deletedPkg = false; 10086 } else { 10087 // Successfully deleted the old package. Now proceed with re-installation 10088 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10089 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 10090 System.currentTimeMillis(), user, abiOverride); 10091 if (newPackage == null) { 10092 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10093 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10094 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10095 } 10096 } else { 10097 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10098 updatedSettings = true; 10099 } 10100 } 10101 10102 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10103 // remove package from internal structures. Note that we want deletePackageX to 10104 // delete the package data and cache directories that it created in 10105 // scanPackageLocked, unless those directories existed before we even tried to 10106 // install. 10107 if(updatedSettings) { 10108 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10109 deletePackageLI( 10110 pkgName, null, true, allUsers, perUserInstalled, 10111 PackageManager.DELETE_KEEP_DATA, 10112 res.removedInfo, true); 10113 } 10114 // Since we failed to install the new package we need to restore the old 10115 // package that we deleted. 10116 if (deletedPkg) { 10117 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10118 File restoreFile = new File(deletedPackage.codePath); 10119 // Parse old package 10120 boolean oldOnSd = isExternal(deletedPackage); 10121 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10122 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10123 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10124 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 10125 | SCAN_UPDATE_TIME; 10126 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 10127 origUpdateTime, null, null) == null) { 10128 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 10129 return; 10130 } 10131 // Restore of old package succeeded. Update permissions. 10132 // writer 10133 synchronized (mPackages) { 10134 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10135 UPDATE_PERMISSIONS_ALL); 10136 // can downgrade to reader 10137 mSettings.writeLPr(); 10138 } 10139 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10140 } 10141 } 10142 } 10143 10144 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10145 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10146 int[] allUsers, boolean[] perUserInstalled, 10147 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10148 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10149 + ", old=" + deletedPackage); 10150 PackageParser.Package newPackage = null; 10151 boolean updatedSettings = false; 10152 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 10153 PackageParser.PARSE_IS_SYSTEM; 10154 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10155 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10156 } 10157 String packageName = deletedPackage.packageName; 10158 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10159 if (packageName == null) { 10160 Slog.w(TAG, "Attempt to delete null packageName."); 10161 return; 10162 } 10163 PackageParser.Package oldPkg; 10164 PackageSetting oldPkgSetting; 10165 // reader 10166 synchronized (mPackages) { 10167 oldPkg = mPackages.get(packageName); 10168 oldPkgSetting = mSettings.mPackages.get(packageName); 10169 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10170 (oldPkgSetting == null)) { 10171 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 10172 return; 10173 } 10174 } 10175 10176 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10177 10178 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10179 res.removedInfo.removedPackage = packageName; 10180 // Remove existing system package 10181 removePackageLI(oldPkgSetting, true); 10182 // writer 10183 synchronized (mPackages) { 10184 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10185 // We didn't need to disable the .apk as a current system package, 10186 // which means we are replacing another update that is already 10187 // installed. We need to make sure to delete the older one's .apk. 10188 res.removedInfo.args = createInstallArgs(0, 10189 deletedPackage.applicationInfo.sourceDir, 10190 deletedPackage.applicationInfo.publicSourceDir, 10191 deletedPackage.applicationInfo.nativeLibraryDir, 10192 getAppInstructionSet(deletedPackage.applicationInfo)); 10193 } else { 10194 res.removedInfo.args = null; 10195 } 10196 } 10197 10198 // Successfully disabled the old package. Now proceed with re-installation 10199 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10200 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10201 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10202 if (newPackage == null) { 10203 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10204 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10205 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10206 } 10207 } else { 10208 if (newPackage.mExtras != null) { 10209 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10210 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10211 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10212 10213 // is the update attempting to change shared user? that isn't going to work... 10214 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10215 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10216 + " to " + newPkgSetting.sharedUser); 10217 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10218 updatedSettings = true; 10219 } 10220 } 10221 10222 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10223 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10224 updatedSettings = true; 10225 } 10226 } 10227 10228 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10229 // Re installation failed. Restore old information 10230 // Remove new pkg information 10231 if (newPackage != null) { 10232 removeInstalledPackageLI(newPackage, true); 10233 } 10234 // Add back the old system package 10235 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10236 // Restore the old system information in Settings 10237 synchronized(mPackages) { 10238 if (updatedSettings) { 10239 mSettings.enableSystemPackageLPw(packageName); 10240 mSettings.setInstallerPackageName(packageName, 10241 oldPkgSetting.installerPackageName); 10242 } 10243 mSettings.writeLPr(); 10244 } 10245 } 10246 } 10247 10248 // Utility method used to move dex files during install. 10249 private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) { 10250 // TODO: extend to move split APK dex files 10251 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10252 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 10253 int retCode = mInstaller.movedex(oldCodePath, newPackage.codePath, 10254 instructionSet); 10255 if (retCode != 0) { 10256 /* 10257 * Programs may be lazily run through dexopt, so the 10258 * source may not exist. However, something seems to 10259 * have gone wrong, so note that dexopt needs to be 10260 * run again and remove the source file. In addition, 10261 * remove the target to make sure there isn't a stale 10262 * file from a previous version of the package. 10263 */ 10264 newPackage.mDexOptNeeded = true; 10265 mInstaller.rmdex(oldCodePath, instructionSet); 10266 mInstaller.rmdex(newPackage.codePath, instructionSet); 10267 } 10268 } 10269 return PackageManager.INSTALL_SUCCEEDED; 10270 } 10271 10272 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10273 int[] allUsers, boolean[] perUserInstalled, 10274 PackageInstalledInfo res) { 10275 String pkgName = newPackage.packageName; 10276 synchronized (mPackages) { 10277 //write settings. the installStatus will be incomplete at this stage. 10278 //note that the new package setting would have already been 10279 //added to mPackages. It hasn't been persisted yet. 10280 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10281 mSettings.writeLPr(); 10282 } 10283 10284 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10285 10286 synchronized (mPackages) { 10287 updatePermissionsLPw(newPackage.packageName, newPackage, 10288 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10289 ? UPDATE_PERMISSIONS_ALL : 0)); 10290 // For system-bundled packages, we assume that installing an upgraded version 10291 // of the package implies that the user actually wants to run that new code, 10292 // so we enable the package. 10293 if (isSystemApp(newPackage)) { 10294 // NB: implicit assumption that system package upgrades apply to all users 10295 if (DEBUG_INSTALL) { 10296 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10297 } 10298 PackageSetting ps = mSettings.mPackages.get(pkgName); 10299 if (ps != null) { 10300 if (res.origUsers != null) { 10301 for (int userHandle : res.origUsers) { 10302 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10303 userHandle, installerPackageName); 10304 } 10305 } 10306 // Also convey the prior install/uninstall state 10307 if (allUsers != null && perUserInstalled != null) { 10308 for (int i = 0; i < allUsers.length; i++) { 10309 if (DEBUG_INSTALL) { 10310 Slog.d(TAG, " user " + allUsers[i] 10311 + " => " + perUserInstalled[i]); 10312 } 10313 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10314 } 10315 // these install state changes will be persisted in the 10316 // upcoming call to mSettings.writeLPr(). 10317 } 10318 } 10319 } 10320 res.name = pkgName; 10321 res.uid = newPackage.applicationInfo.uid; 10322 res.pkg = newPackage; 10323 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10324 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10325 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10326 //to update install status 10327 mSettings.writeLPr(); 10328 } 10329 } 10330 10331 private void installPackageLI(InstallArgs args, 10332 boolean newInstall, PackageInstalledInfo res) { 10333 int pFlags = args.flags; 10334 String installerPackageName = args.installerPackageName; 10335 File tmpPackageFile = new File(args.getCodePath()); 10336 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10337 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10338 boolean replace = false; 10339 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10340 | (newInstall ? SCAN_NEW_INSTALL : 0); 10341 // Result object to be returned 10342 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10343 10344 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10345 // Retrieve PackageSettings and parse package 10346 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10347 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10348 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10349 PackageParser pp = new PackageParser(); 10350 pp.setSeparateProcesses(mSeparateProcesses); 10351 pp.setDisplayMetrics(mMetrics); 10352 10353 final PackageParser.Package pkg; 10354 try { 10355 pkg = pp.parseMonolithicPackage(tmpPackageFile, parseFlags); 10356 } catch (PackageParserException e) { 10357 res.returnCode = e.error; 10358 return; 10359 } 10360 10361 String pkgName = res.name = pkg.packageName; 10362 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10363 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10364 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10365 return; 10366 } 10367 } 10368 10369 try { 10370 pp.collectCertificates(pkg, parseFlags); 10371 pp.collectManifestDigest(pkg); 10372 } catch (PackageParserException e) { 10373 res.returnCode = e.error; 10374 return; 10375 } 10376 10377 /* If the installer passed in a manifest digest, compare it now. */ 10378 if (args.manifestDigest != null) { 10379 if (DEBUG_INSTALL) { 10380 final String parsedManifest = pkg.manifestDigest == null ? "null" 10381 : pkg.manifestDigest.toString(); 10382 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10383 + parsedManifest); 10384 } 10385 10386 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10387 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10388 return; 10389 } 10390 } else if (DEBUG_INSTALL) { 10391 final String parsedManifest = pkg.manifestDigest == null 10392 ? "null" : pkg.manifestDigest.toString(); 10393 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10394 } 10395 10396 // Get rid of all references to package scan path via parser. 10397 pp = null; 10398 String oldCodePath = null; 10399 boolean systemApp = false; 10400 synchronized (mPackages) { 10401 // Check whether the newly-scanned package wants to define an already-defined perm 10402 int N = pkg.permissions.size(); 10403 for (int i = N-1; i >= 0; i--) { 10404 PackageParser.Permission perm = pkg.permissions.get(i); 10405 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10406 if (bp != null) { 10407 // If the defining package is signed with our cert, it's okay. This 10408 // also includes the "updating the same package" case, of course. 10409 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10410 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10411 // If the owning package is the system itself, we log but allow 10412 // install to proceed; we fail the install on all other permission 10413 // redefinitions. 10414 if (!bp.sourcePackage.equals("android")) { 10415 Slog.w(TAG, "Package " + pkg.packageName 10416 + " attempting to redeclare permission " + perm.info.name 10417 + " already owned by " + bp.sourcePackage); 10418 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10419 res.origPermission = perm.info.name; 10420 res.origPackage = bp.sourcePackage; 10421 return; 10422 } else { 10423 Slog.w(TAG, "Package " + pkg.packageName 10424 + " attempting to redeclare system permission " 10425 + perm.info.name + "; ignoring new declaration"); 10426 pkg.permissions.remove(i); 10427 } 10428 } 10429 } 10430 } 10431 10432 // Check if installing already existing package 10433 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10434 String oldName = mSettings.mRenamedPackages.get(pkgName); 10435 if (pkg.mOriginalPackages != null 10436 && pkg.mOriginalPackages.contains(oldName) 10437 && mPackages.containsKey(oldName)) { 10438 // This package is derived from an original package, 10439 // and this device has been updating from that original 10440 // name. We must continue using the original name, so 10441 // rename the new package here. 10442 pkg.setPackageName(oldName); 10443 pkgName = pkg.packageName; 10444 replace = true; 10445 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10446 + oldName + " pkgName=" + pkgName); 10447 } else if (mPackages.containsKey(pkgName)) { 10448 // This package, under its official name, already exists 10449 // on the device; we should replace it. 10450 replace = true; 10451 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10452 } 10453 } 10454 PackageSetting ps = mSettings.mPackages.get(pkgName); 10455 if (ps != null) { 10456 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10457 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10458 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10459 systemApp = (ps.pkg.applicationInfo.flags & 10460 ApplicationInfo.FLAG_SYSTEM) != 0; 10461 } 10462 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10463 } 10464 } 10465 10466 if (systemApp && onSd) { 10467 // Disable updates to system apps on sdcard 10468 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10469 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10470 return; 10471 } 10472 10473 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10474 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10475 return; 10476 } 10477 // Set application objects path explicitly after the rename 10478 pkg.codePath = args.getCodePath(); 10479 pkg.applicationInfo.sourceDir = args.getCodePath(); 10480 pkg.applicationInfo.publicSourceDir = args.getResourcePath(); 10481 pkg.applicationInfo.splitSourceDirs = args.getSplitCodePaths(); 10482 pkg.applicationInfo.splitPublicSourceDirs = deriveSplitResPaths( 10483 pkg.applicationInfo.splitSourceDirs); 10484 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10485 if (replace) { 10486 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10487 installerPackageName, res, args.abiOverride); 10488 } else { 10489 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10490 installerPackageName, res, args.abiOverride); 10491 } 10492 synchronized (mPackages) { 10493 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10494 if (ps != null) { 10495 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10496 } 10497 } 10498 } 10499 10500 private static boolean isForwardLocked(PackageParser.Package pkg) { 10501 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10502 } 10503 10504 10505 private boolean isForwardLocked(PackageSetting ps) { 10506 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10507 } 10508 10509 private static boolean isExternal(PackageParser.Package pkg) { 10510 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10511 } 10512 10513 private static boolean isExternal(PackageSetting ps) { 10514 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10515 } 10516 10517 private static boolean isSystemApp(PackageParser.Package pkg) { 10518 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10519 } 10520 10521 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10522 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10523 } 10524 10525 private static boolean isSystemApp(ApplicationInfo info) { 10526 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10527 } 10528 10529 private static boolean isSystemApp(PackageSetting ps) { 10530 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10531 } 10532 10533 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10534 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10535 } 10536 10537 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10538 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10539 } 10540 10541 private int packageFlagsToInstallFlags(PackageSetting ps) { 10542 int installFlags = 0; 10543 if (isExternal(ps)) { 10544 installFlags |= PackageManager.INSTALL_EXTERNAL; 10545 } 10546 if (isForwardLocked(ps)) { 10547 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10548 } 10549 return installFlags; 10550 } 10551 10552 private void deleteTempPackageFiles() { 10553 final FilenameFilter filter = new FilenameFilter() { 10554 public boolean accept(File dir, String name) { 10555 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10556 } 10557 }; 10558 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10559 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10560 } 10561 10562 private static final void deleteTempPackageFilesInDirectory(File directory, 10563 FilenameFilter filter) { 10564 final String[] tmpFilesList = directory.list(filter); 10565 if (tmpFilesList == null) { 10566 return; 10567 } 10568 for (int i = 0; i < tmpFilesList.length; i++) { 10569 final File tmpFile = new File(directory, tmpFilesList[i]); 10570 tmpFile.delete(); 10571 } 10572 } 10573 10574 private File createTempPackageFile(File installDir) { 10575 File tmpPackageFile; 10576 try { 10577 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10578 } catch (IOException e) { 10579 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10580 return null; 10581 } 10582 try { 10583 FileUtils.setPermissions( 10584 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10585 -1, -1); 10586 if (!SELinux.restorecon(tmpPackageFile)) { 10587 return null; 10588 } 10589 } catch (IOException e) { 10590 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10591 return null; 10592 } 10593 return tmpPackageFile; 10594 } 10595 10596 @Override 10597 public void deletePackageAsUser(final String packageName, 10598 final IPackageDeleteObserver observer, 10599 final int userId, final int flags) { 10600 mContext.enforceCallingOrSelfPermission( 10601 android.Manifest.permission.DELETE_PACKAGES, null); 10602 final int uid = Binder.getCallingUid(); 10603 if (UserHandle.getUserId(uid) != userId) { 10604 mContext.enforceCallingPermission( 10605 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10606 "deletePackage for user " + userId); 10607 } 10608 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10609 try { 10610 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10611 } catch (RemoteException re) { 10612 } 10613 return; 10614 } 10615 10616 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10617 // Queue up an async operation since the package deletion may take a little while. 10618 mHandler.post(new Runnable() { 10619 public void run() { 10620 mHandler.removeCallbacks(this); 10621 final int returnCode = deletePackageX(packageName, userId, flags); 10622 if (observer != null) { 10623 try { 10624 observer.packageDeleted(packageName, returnCode); 10625 } catch (RemoteException e) { 10626 Log.i(TAG, "Observer no longer exists."); 10627 } //end catch 10628 } //end if 10629 } //end run 10630 }); 10631 } 10632 10633 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10634 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10635 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10636 try { 10637 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10638 || dpm.isDeviceOwner(packageName))) { 10639 return true; 10640 } 10641 } catch (RemoteException e) { 10642 } 10643 return false; 10644 } 10645 10646 /** 10647 * This method is an internal method that could be get invoked either 10648 * to delete an installed package or to clean up a failed installation. 10649 * After deleting an installed package, a broadcast is sent to notify any 10650 * listeners that the package has been installed. For cleaning up a failed 10651 * installation, the broadcast is not necessary since the package's 10652 * installation wouldn't have sent the initial broadcast either 10653 * The key steps in deleting a package are 10654 * deleting the package information in internal structures like mPackages, 10655 * deleting the packages base directories through installd 10656 * updating mSettings to reflect current status 10657 * persisting settings for later use 10658 * sending a broadcast if necessary 10659 */ 10660 private int deletePackageX(String packageName, int userId, int flags) { 10661 final PackageRemovedInfo info = new PackageRemovedInfo(); 10662 final boolean res; 10663 10664 if (isPackageDeviceAdmin(packageName, userId)) { 10665 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10666 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10667 } 10668 10669 boolean removedForAllUsers = false; 10670 boolean systemUpdate = false; 10671 10672 // for the uninstall-updates case and restricted profiles, remember the per- 10673 // userhandle installed state 10674 int[] allUsers; 10675 boolean[] perUserInstalled; 10676 synchronized (mPackages) { 10677 PackageSetting ps = mSettings.mPackages.get(packageName); 10678 allUsers = sUserManager.getUserIds(); 10679 perUserInstalled = new boolean[allUsers.length]; 10680 for (int i = 0; i < allUsers.length; i++) { 10681 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10682 } 10683 } 10684 10685 synchronized (mInstallLock) { 10686 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10687 res = deletePackageLI(packageName, 10688 (flags & PackageManager.DELETE_ALL_USERS) != 0 10689 ? UserHandle.ALL : new UserHandle(userId), 10690 true, allUsers, perUserInstalled, 10691 flags | REMOVE_CHATTY, info, true); 10692 systemUpdate = info.isRemovedPackageSystemUpdate; 10693 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10694 removedForAllUsers = true; 10695 } 10696 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10697 + " removedForAllUsers=" + removedForAllUsers); 10698 } 10699 10700 if (res) { 10701 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10702 10703 // If the removed package was a system update, the old system package 10704 // was re-enabled; we need to broadcast this information 10705 if (systemUpdate) { 10706 Bundle extras = new Bundle(1); 10707 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10708 ? info.removedAppId : info.uid); 10709 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10710 10711 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10712 extras, null, null, null); 10713 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10714 extras, null, null, null); 10715 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10716 null, packageName, null, null); 10717 } 10718 } 10719 // Force a gc here. 10720 Runtime.getRuntime().gc(); 10721 // Delete the resources here after sending the broadcast to let 10722 // other processes clean up before deleting resources. 10723 if (info.args != null) { 10724 synchronized (mInstallLock) { 10725 info.args.doPostDeleteLI(true); 10726 } 10727 } 10728 10729 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10730 } 10731 10732 static class PackageRemovedInfo { 10733 String removedPackage; 10734 int uid = -1; 10735 int removedAppId = -1; 10736 int[] removedUsers = null; 10737 boolean isRemovedPackageSystemUpdate = false; 10738 // Clean up resources deleted packages. 10739 InstallArgs args = null; 10740 10741 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10742 Bundle extras = new Bundle(1); 10743 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10744 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10745 if (replacing) { 10746 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10747 } 10748 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10749 if (removedPackage != null) { 10750 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10751 extras, null, null, removedUsers); 10752 if (fullRemove && !replacing) { 10753 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10754 extras, null, null, removedUsers); 10755 } 10756 } 10757 if (removedAppId >= 0) { 10758 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10759 removedUsers); 10760 } 10761 } 10762 } 10763 10764 /* 10765 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10766 * flag is not set, the data directory is removed as well. 10767 * make sure this flag is set for partially installed apps. If not its meaningless to 10768 * delete a partially installed application. 10769 */ 10770 private void removePackageDataLI(PackageSetting ps, 10771 int[] allUserHandles, boolean[] perUserInstalled, 10772 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10773 String packageName = ps.name; 10774 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10775 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10776 // Retrieve object to delete permissions for shared user later on 10777 final PackageSetting deletedPs; 10778 // reader 10779 synchronized (mPackages) { 10780 deletedPs = mSettings.mPackages.get(packageName); 10781 if (outInfo != null) { 10782 outInfo.removedPackage = packageName; 10783 outInfo.removedUsers = deletedPs != null 10784 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10785 : null; 10786 } 10787 } 10788 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10789 removeDataDirsLI(packageName); 10790 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10791 } 10792 // writer 10793 synchronized (mPackages) { 10794 if (deletedPs != null) { 10795 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10796 if (outInfo != null) { 10797 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10798 } 10799 if (deletedPs != null) { 10800 updatePermissionsLPw(deletedPs.name, null, 0); 10801 if (deletedPs.sharedUser != null) { 10802 // remove permissions associated with package 10803 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10804 } 10805 } 10806 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10807 } 10808 // make sure to preserve per-user disabled state if this removal was just 10809 // a downgrade of a system app to the factory package 10810 if (allUserHandles != null && perUserInstalled != null) { 10811 if (DEBUG_REMOVE) { 10812 Slog.d(TAG, "Propagating install state across downgrade"); 10813 } 10814 for (int i = 0; i < allUserHandles.length; i++) { 10815 if (DEBUG_REMOVE) { 10816 Slog.d(TAG, " user " + allUserHandles[i] 10817 + " => " + perUserInstalled[i]); 10818 } 10819 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10820 } 10821 } 10822 } 10823 // can downgrade to reader 10824 if (writeSettings) { 10825 // Save settings now 10826 mSettings.writeLPr(); 10827 } 10828 } 10829 if (outInfo != null) { 10830 // A user ID was deleted here. Go through all users and remove it 10831 // from KeyStore. 10832 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10833 } 10834 } 10835 10836 static boolean locationIsPrivileged(File path) { 10837 try { 10838 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10839 .getCanonicalPath(); 10840 return path.getCanonicalPath().startsWith(privilegedAppDir); 10841 } catch (IOException e) { 10842 Slog.e(TAG, "Unable to access code path " + path); 10843 } 10844 return false; 10845 } 10846 10847 /* 10848 * Tries to delete system package. 10849 */ 10850 private boolean deleteSystemPackageLI(PackageSetting newPs, 10851 int[] allUserHandles, boolean[] perUserInstalled, 10852 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10853 final boolean applyUserRestrictions 10854 = (allUserHandles != null) && (perUserInstalled != null); 10855 PackageSetting disabledPs = null; 10856 // Confirm if the system package has been updated 10857 // An updated system app can be deleted. This will also have to restore 10858 // the system pkg from system partition 10859 // reader 10860 synchronized (mPackages) { 10861 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10862 } 10863 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10864 + " disabledPs=" + disabledPs); 10865 if (disabledPs == null) { 10866 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10867 return false; 10868 } else if (DEBUG_REMOVE) { 10869 Slog.d(TAG, "Deleting system pkg from data partition"); 10870 } 10871 if (DEBUG_REMOVE) { 10872 if (applyUserRestrictions) { 10873 Slog.d(TAG, "Remembering install states:"); 10874 for (int i = 0; i < allUserHandles.length; i++) { 10875 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10876 } 10877 } 10878 } 10879 // Delete the updated package 10880 outInfo.isRemovedPackageSystemUpdate = true; 10881 if (disabledPs.versionCode < newPs.versionCode) { 10882 // Delete data for downgrades 10883 flags &= ~PackageManager.DELETE_KEEP_DATA; 10884 } else { 10885 // Preserve data by setting flag 10886 flags |= PackageManager.DELETE_KEEP_DATA; 10887 } 10888 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10889 allUserHandles, perUserInstalled, outInfo, writeSettings); 10890 if (!ret) { 10891 return false; 10892 } 10893 // writer 10894 synchronized (mPackages) { 10895 // Reinstate the old system package 10896 mSettings.enableSystemPackageLPw(newPs.name); 10897 // Remove any native libraries from the upgraded package. 10898 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10899 } 10900 // Install the system package 10901 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10902 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10903 if (locationIsPrivileged(disabledPs.codePath)) { 10904 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10905 } 10906 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10907 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10908 10909 if (newPkg == null) { 10910 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10911 + " with error:" + mLastScanError); 10912 return false; 10913 } 10914 // writer 10915 synchronized (mPackages) { 10916 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10917 setInternalAppNativeLibraryPath(newPkg, ps); 10918 updatePermissionsLPw(newPkg.packageName, newPkg, 10919 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10920 if (applyUserRestrictions) { 10921 if (DEBUG_REMOVE) { 10922 Slog.d(TAG, "Propagating install state across reinstall"); 10923 } 10924 for (int i = 0; i < allUserHandles.length; i++) { 10925 if (DEBUG_REMOVE) { 10926 Slog.d(TAG, " user " + allUserHandles[i] 10927 + " => " + perUserInstalled[i]); 10928 } 10929 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10930 } 10931 // Regardless of writeSettings we need to ensure that this restriction 10932 // state propagation is persisted 10933 mSettings.writeAllUsersPackageRestrictionsLPr(); 10934 } 10935 // can downgrade to reader here 10936 if (writeSettings) { 10937 mSettings.writeLPr(); 10938 } 10939 } 10940 return true; 10941 } 10942 10943 private boolean deleteInstalledPackageLI(PackageSetting ps, 10944 boolean deleteCodeAndResources, int flags, 10945 int[] allUserHandles, boolean[] perUserInstalled, 10946 PackageRemovedInfo outInfo, boolean writeSettings) { 10947 if (outInfo != null) { 10948 outInfo.uid = ps.appId; 10949 } 10950 10951 // Delete package data from internal structures and also remove data if flag is set 10952 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10953 10954 // Delete application code and resources 10955 if (deleteCodeAndResources && (outInfo != null)) { 10956 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10957 ps.resourcePathString, ps.nativeLibraryPathString, 10958 getAppInstructionSetFromSettings(ps)); 10959 } 10960 return true; 10961 } 10962 10963 /* 10964 * This method handles package deletion in general 10965 */ 10966 private boolean deletePackageLI(String packageName, UserHandle user, 10967 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10968 int flags, PackageRemovedInfo outInfo, 10969 boolean writeSettings) { 10970 if (packageName == null) { 10971 Slog.w(TAG, "Attempt to delete null packageName."); 10972 return false; 10973 } 10974 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10975 PackageSetting ps; 10976 boolean dataOnly = false; 10977 int removeUser = -1; 10978 int appId = -1; 10979 synchronized (mPackages) { 10980 ps = mSettings.mPackages.get(packageName); 10981 if (ps == null) { 10982 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10983 return false; 10984 } 10985 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10986 && user.getIdentifier() != UserHandle.USER_ALL) { 10987 // The caller is asking that the package only be deleted for a single 10988 // user. To do this, we just mark its uninstalled state and delete 10989 // its data. If this is a system app, we only allow this to happen if 10990 // they have set the special DELETE_SYSTEM_APP which requests different 10991 // semantics than normal for uninstalling system apps. 10992 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10993 ps.setUserState(user.getIdentifier(), 10994 COMPONENT_ENABLED_STATE_DEFAULT, 10995 false, //installed 10996 true, //stopped 10997 true, //notLaunched 10998 false, //blocked 10999 null, null, null); 11000 if (!isSystemApp(ps)) { 11001 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11002 // Other user still have this package installed, so all 11003 // we need to do is clear this user's data and save that 11004 // it is uninstalled. 11005 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11006 removeUser = user.getIdentifier(); 11007 appId = ps.appId; 11008 mSettings.writePackageRestrictionsLPr(removeUser); 11009 } else { 11010 // We need to set it back to 'installed' so the uninstall 11011 // broadcasts will be sent correctly. 11012 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11013 ps.setInstalled(true, user.getIdentifier()); 11014 } 11015 } else { 11016 // This is a system app, so we assume that the 11017 // other users still have this package installed, so all 11018 // we need to do is clear this user's data and save that 11019 // it is uninstalled. 11020 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11021 removeUser = user.getIdentifier(); 11022 appId = ps.appId; 11023 mSettings.writePackageRestrictionsLPr(removeUser); 11024 } 11025 } 11026 } 11027 11028 if (removeUser >= 0) { 11029 // From above, we determined that we are deleting this only 11030 // for a single user. Continue the work here. 11031 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11032 if (outInfo != null) { 11033 outInfo.removedPackage = packageName; 11034 outInfo.removedAppId = appId; 11035 outInfo.removedUsers = new int[] {removeUser}; 11036 } 11037 mInstaller.clearUserData(packageName, removeUser); 11038 removeKeystoreDataIfNeeded(removeUser, appId); 11039 schedulePackageCleaning(packageName, removeUser, false); 11040 return true; 11041 } 11042 11043 if (dataOnly) { 11044 // Delete application data first 11045 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11046 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11047 return true; 11048 } 11049 11050 boolean ret = false; 11051 mSettings.mKeySetManager.removeAppKeySetData(packageName); 11052 if (isSystemApp(ps)) { 11053 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11054 // When an updated system application is deleted we delete the existing resources as well and 11055 // fall back to existing code in system partition 11056 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11057 flags, outInfo, writeSettings); 11058 } else { 11059 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11060 // Kill application pre-emptively especially for apps on sd. 11061 killApplication(packageName, ps.appId, "uninstall pkg"); 11062 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11063 allUserHandles, perUserInstalled, 11064 outInfo, writeSettings); 11065 } 11066 11067 return ret; 11068 } 11069 11070 private final class ClearStorageConnection implements ServiceConnection { 11071 IMediaContainerService mContainerService; 11072 11073 @Override 11074 public void onServiceConnected(ComponentName name, IBinder service) { 11075 synchronized (this) { 11076 mContainerService = IMediaContainerService.Stub.asInterface(service); 11077 notifyAll(); 11078 } 11079 } 11080 11081 @Override 11082 public void onServiceDisconnected(ComponentName name) { 11083 } 11084 } 11085 11086 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11087 final boolean mounted; 11088 if (Environment.isExternalStorageEmulated()) { 11089 mounted = true; 11090 } else { 11091 final String status = Environment.getExternalStorageState(); 11092 11093 mounted = status.equals(Environment.MEDIA_MOUNTED) 11094 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11095 } 11096 11097 if (!mounted) { 11098 return; 11099 } 11100 11101 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11102 int[] users; 11103 if (userId == UserHandle.USER_ALL) { 11104 users = sUserManager.getUserIds(); 11105 } else { 11106 users = new int[] { userId }; 11107 } 11108 final ClearStorageConnection conn = new ClearStorageConnection(); 11109 if (mContext.bindServiceAsUser( 11110 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11111 try { 11112 for (int curUser : users) { 11113 long timeout = SystemClock.uptimeMillis() + 5000; 11114 synchronized (conn) { 11115 long now = SystemClock.uptimeMillis(); 11116 while (conn.mContainerService == null && now < timeout) { 11117 try { 11118 conn.wait(timeout - now); 11119 } catch (InterruptedException e) { 11120 } 11121 } 11122 } 11123 if (conn.mContainerService == null) { 11124 return; 11125 } 11126 11127 final UserEnvironment userEnv = new UserEnvironment(curUser); 11128 clearDirectory(conn.mContainerService, 11129 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11130 if (allData) { 11131 clearDirectory(conn.mContainerService, 11132 userEnv.buildExternalStorageAppDataDirs(packageName)); 11133 clearDirectory(conn.mContainerService, 11134 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11135 } 11136 } 11137 } finally { 11138 mContext.unbindService(conn); 11139 } 11140 } 11141 } 11142 11143 @Override 11144 public void clearApplicationUserData(final String packageName, 11145 final IPackageDataObserver observer, final int userId) { 11146 mContext.enforceCallingOrSelfPermission( 11147 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11148 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 11149 // Queue up an async operation since the package deletion may take a little while. 11150 mHandler.post(new Runnable() { 11151 public void run() { 11152 mHandler.removeCallbacks(this); 11153 final boolean succeeded; 11154 synchronized (mInstallLock) { 11155 succeeded = clearApplicationUserDataLI(packageName, userId); 11156 } 11157 clearExternalStorageDataSync(packageName, userId, true); 11158 if (succeeded) { 11159 // invoke DeviceStorageMonitor's update method to clear any notifications 11160 DeviceStorageMonitorInternal 11161 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11162 if (dsm != null) { 11163 dsm.checkMemory(); 11164 } 11165 } 11166 if(observer != null) { 11167 try { 11168 observer.onRemoveCompleted(packageName, succeeded); 11169 } catch (RemoteException e) { 11170 Log.i(TAG, "Observer no longer exists."); 11171 } 11172 } //end if observer 11173 } //end run 11174 }); 11175 } 11176 11177 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11178 if (packageName == null) { 11179 Slog.w(TAG, "Attempt to delete null packageName."); 11180 return false; 11181 } 11182 PackageParser.Package p; 11183 boolean dataOnly = false; 11184 final int appId; 11185 synchronized (mPackages) { 11186 p = mPackages.get(packageName); 11187 if (p == null) { 11188 dataOnly = true; 11189 PackageSetting ps = mSettings.mPackages.get(packageName); 11190 if ((ps == null) || (ps.pkg == null)) { 11191 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11192 return false; 11193 } 11194 p = ps.pkg; 11195 } 11196 if (!dataOnly) { 11197 // need to check this only for fully installed applications 11198 if (p == null) { 11199 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11200 return false; 11201 } 11202 final ApplicationInfo applicationInfo = p.applicationInfo; 11203 if (applicationInfo == null) { 11204 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11205 return false; 11206 } 11207 } 11208 if (p != null && p.applicationInfo != null) { 11209 appId = p.applicationInfo.uid; 11210 } else { 11211 appId = -1; 11212 } 11213 } 11214 int retCode = mInstaller.clearUserData(packageName, userId); 11215 if (retCode < 0) { 11216 Slog.w(TAG, "Couldn't remove cache files for package: " 11217 + packageName); 11218 return false; 11219 } 11220 removeKeystoreDataIfNeeded(userId, appId); 11221 return true; 11222 } 11223 11224 /** 11225 * Remove entries from the keystore daemon. Will only remove it if the 11226 * {@code appId} is valid. 11227 */ 11228 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11229 if (appId < 0) { 11230 return; 11231 } 11232 11233 final KeyStore keyStore = KeyStore.getInstance(); 11234 if (keyStore != null) { 11235 if (userId == UserHandle.USER_ALL) { 11236 for (final int individual : sUserManager.getUserIds()) { 11237 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11238 } 11239 } else { 11240 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11241 } 11242 } else { 11243 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11244 } 11245 } 11246 11247 @Override 11248 public void deleteApplicationCacheFiles(final String packageName, 11249 final IPackageDataObserver observer) { 11250 mContext.enforceCallingOrSelfPermission( 11251 android.Manifest.permission.DELETE_CACHE_FILES, null); 11252 // Queue up an async operation since the package deletion may take a little while. 11253 final int userId = UserHandle.getCallingUserId(); 11254 mHandler.post(new Runnable() { 11255 public void run() { 11256 mHandler.removeCallbacks(this); 11257 final boolean succeded; 11258 synchronized (mInstallLock) { 11259 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11260 } 11261 clearExternalStorageDataSync(packageName, userId, false); 11262 if(observer != null) { 11263 try { 11264 observer.onRemoveCompleted(packageName, succeded); 11265 } catch (RemoteException e) { 11266 Log.i(TAG, "Observer no longer exists."); 11267 } 11268 } //end if observer 11269 } //end run 11270 }); 11271 } 11272 11273 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11274 if (packageName == null) { 11275 Slog.w(TAG, "Attempt to delete null packageName."); 11276 return false; 11277 } 11278 PackageParser.Package p; 11279 synchronized (mPackages) { 11280 p = mPackages.get(packageName); 11281 } 11282 if (p == null) { 11283 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11284 return false; 11285 } 11286 final ApplicationInfo applicationInfo = p.applicationInfo; 11287 if (applicationInfo == null) { 11288 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11289 return false; 11290 } 11291 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11292 if (retCode < 0) { 11293 Slog.w(TAG, "Couldn't remove cache files for package: " 11294 + packageName + " u" + userId); 11295 return false; 11296 } 11297 return true; 11298 } 11299 11300 @Override 11301 public void getPackageSizeInfo(final String packageName, int userHandle, 11302 final IPackageStatsObserver observer) { 11303 mContext.enforceCallingOrSelfPermission( 11304 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11305 if (packageName == null) { 11306 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11307 } 11308 11309 PackageStats stats = new PackageStats(packageName, userHandle); 11310 11311 /* 11312 * Queue up an async operation since the package measurement may take a 11313 * little while. 11314 */ 11315 Message msg = mHandler.obtainMessage(INIT_COPY); 11316 msg.obj = new MeasureParams(stats, observer); 11317 mHandler.sendMessage(msg); 11318 } 11319 11320 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11321 PackageStats pStats) { 11322 if (packageName == null) { 11323 Slog.w(TAG, "Attempt to get size of null packageName."); 11324 return false; 11325 } 11326 PackageParser.Package p; 11327 boolean dataOnly = false; 11328 String libDirPath = null; 11329 String asecPath = null; 11330 PackageSetting ps = null; 11331 synchronized (mPackages) { 11332 p = mPackages.get(packageName); 11333 ps = mSettings.mPackages.get(packageName); 11334 if(p == null) { 11335 dataOnly = true; 11336 if((ps == null) || (ps.pkg == null)) { 11337 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11338 return false; 11339 } 11340 p = ps.pkg; 11341 } 11342 if (ps != null) { 11343 libDirPath = ps.nativeLibraryPathString; 11344 } 11345 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11346 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11347 if (secureContainerId != null) { 11348 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11349 } 11350 } 11351 } 11352 String publicSrcDir = null; 11353 if(!dataOnly) { 11354 final ApplicationInfo applicationInfo = p.applicationInfo; 11355 if (applicationInfo == null) { 11356 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11357 return false; 11358 } 11359 if (isForwardLocked(p)) { 11360 publicSrcDir = applicationInfo.publicSourceDir; 11361 } 11362 } 11363 int res = mInstaller.getSizeInfo(packageName, userHandle, p.codePath, libDirPath, 11364 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11365 pStats); 11366 if (res < 0) { 11367 return false; 11368 } 11369 11370 // Fix-up for forward-locked applications in ASEC containers. 11371 if (!isExternal(p)) { 11372 pStats.codeSize += pStats.externalCodeSize; 11373 pStats.externalCodeSize = 0L; 11374 } 11375 11376 return true; 11377 } 11378 11379 11380 @Override 11381 public void addPackageToPreferred(String packageName) { 11382 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11383 } 11384 11385 @Override 11386 public void removePackageFromPreferred(String packageName) { 11387 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11388 } 11389 11390 @Override 11391 public List<PackageInfo> getPreferredPackages(int flags) { 11392 return new ArrayList<PackageInfo>(); 11393 } 11394 11395 private int getUidTargetSdkVersionLockedLPr(int uid) { 11396 Object obj = mSettings.getUserIdLPr(uid); 11397 if (obj instanceof SharedUserSetting) { 11398 final SharedUserSetting sus = (SharedUserSetting) obj; 11399 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11400 final Iterator<PackageSetting> it = sus.packages.iterator(); 11401 while (it.hasNext()) { 11402 final PackageSetting ps = it.next(); 11403 if (ps.pkg != null) { 11404 int v = ps.pkg.applicationInfo.targetSdkVersion; 11405 if (v < vers) vers = v; 11406 } 11407 } 11408 return vers; 11409 } else if (obj instanceof PackageSetting) { 11410 final PackageSetting ps = (PackageSetting) obj; 11411 if (ps.pkg != null) { 11412 return ps.pkg.applicationInfo.targetSdkVersion; 11413 } 11414 } 11415 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11416 } 11417 11418 @Override 11419 public void addPreferredActivity(IntentFilter filter, int match, 11420 ComponentName[] set, ComponentName activity, int userId) { 11421 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11422 } 11423 11424 private void addPreferredActivityInternal(IntentFilter filter, int match, 11425 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11426 // writer 11427 int callingUid = Binder.getCallingUid(); 11428 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11429 if (filter.countActions() == 0) { 11430 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11431 return; 11432 } 11433 synchronized (mPackages) { 11434 if (mContext.checkCallingOrSelfPermission( 11435 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11436 != PackageManager.PERMISSION_GRANTED) { 11437 if (getUidTargetSdkVersionLockedLPr(callingUid) 11438 < Build.VERSION_CODES.FROYO) { 11439 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11440 + callingUid); 11441 return; 11442 } 11443 mContext.enforceCallingOrSelfPermission( 11444 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11445 } 11446 11447 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11448 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11449 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11450 new PreferredActivity(filter, match, set, activity, always)); 11451 mSettings.writePackageRestrictionsLPr(userId); 11452 } 11453 } 11454 11455 @Override 11456 public void replacePreferredActivity(IntentFilter filter, int match, 11457 ComponentName[] set, ComponentName activity) { 11458 if (filter.countActions() != 1) { 11459 throw new IllegalArgumentException( 11460 "replacePreferredActivity expects filter to have only 1 action."); 11461 } 11462 if (filter.countDataAuthorities() != 0 11463 || filter.countDataPaths() != 0 11464 || filter.countDataSchemes() > 1 11465 || filter.countDataTypes() != 0) { 11466 throw new IllegalArgumentException( 11467 "replacePreferredActivity expects filter to have no data authorities, " + 11468 "paths, or types; and at most one scheme."); 11469 } 11470 synchronized (mPackages) { 11471 if (mContext.checkCallingOrSelfPermission( 11472 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11473 != PackageManager.PERMISSION_GRANTED) { 11474 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11475 < Build.VERSION_CODES.FROYO) { 11476 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11477 + Binder.getCallingUid()); 11478 return; 11479 } 11480 mContext.enforceCallingOrSelfPermission( 11481 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11482 } 11483 11484 final int callingUserId = UserHandle.getCallingUserId(); 11485 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11486 if (pir != null) { 11487 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11488 if (filter.countDataSchemes() == 1) { 11489 Uri.Builder builder = new Uri.Builder(); 11490 builder.scheme(filter.getDataScheme(0)); 11491 intent.setData(builder.build()); 11492 } 11493 List<PreferredActivity> matches = pir.queryIntent( 11494 intent, null, true, callingUserId); 11495 if (DEBUG_PREFERRED) { 11496 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11497 } 11498 for (int i = 0; i < matches.size(); i++) { 11499 PreferredActivity pa = matches.get(i); 11500 if (DEBUG_PREFERRED) { 11501 Slog.i(TAG, "Removing preferred activity " 11502 + pa.mPref.mComponent + ":"); 11503 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11504 } 11505 pir.removeFilter(pa); 11506 } 11507 } 11508 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11509 } 11510 } 11511 11512 @Override 11513 public void clearPackagePreferredActivities(String packageName) { 11514 final int uid = Binder.getCallingUid(); 11515 // writer 11516 synchronized (mPackages) { 11517 PackageParser.Package pkg = mPackages.get(packageName); 11518 if (pkg == null || pkg.applicationInfo.uid != uid) { 11519 if (mContext.checkCallingOrSelfPermission( 11520 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11521 != PackageManager.PERMISSION_GRANTED) { 11522 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11523 < Build.VERSION_CODES.FROYO) { 11524 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11525 + Binder.getCallingUid()); 11526 return; 11527 } 11528 mContext.enforceCallingOrSelfPermission( 11529 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11530 } 11531 } 11532 11533 int user = UserHandle.getCallingUserId(); 11534 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11535 mSettings.writePackageRestrictionsLPr(user); 11536 scheduleWriteSettingsLocked(); 11537 } 11538 } 11539 } 11540 11541 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11542 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11543 ArrayList<PreferredActivity> removed = null; 11544 boolean changed = false; 11545 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11546 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11547 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11548 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11549 continue; 11550 } 11551 Iterator<PreferredActivity> it = pir.filterIterator(); 11552 while (it.hasNext()) { 11553 PreferredActivity pa = it.next(); 11554 // Mark entry for removal only if it matches the package name 11555 // and the entry is of type "always". 11556 if (packageName == null || 11557 (pa.mPref.mComponent.getPackageName().equals(packageName) 11558 && pa.mPref.mAlways)) { 11559 if (removed == null) { 11560 removed = new ArrayList<PreferredActivity>(); 11561 } 11562 removed.add(pa); 11563 } 11564 } 11565 if (removed != null) { 11566 for (int j=0; j<removed.size(); j++) { 11567 PreferredActivity pa = removed.get(j); 11568 pir.removeFilter(pa); 11569 } 11570 changed = true; 11571 } 11572 } 11573 return changed; 11574 } 11575 11576 @Override 11577 public void resetPreferredActivities(int userId) { 11578 mContext.enforceCallingOrSelfPermission( 11579 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11580 // writer 11581 synchronized (mPackages) { 11582 int user = UserHandle.getCallingUserId(); 11583 clearPackagePreferredActivitiesLPw(null, user); 11584 mSettings.readDefaultPreferredAppsLPw(this, user); 11585 mSettings.writePackageRestrictionsLPr(user); 11586 scheduleWriteSettingsLocked(); 11587 } 11588 } 11589 11590 @Override 11591 public int getPreferredActivities(List<IntentFilter> outFilters, 11592 List<ComponentName> outActivities, String packageName) { 11593 11594 int num = 0; 11595 final int userId = UserHandle.getCallingUserId(); 11596 // reader 11597 synchronized (mPackages) { 11598 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11599 if (pir != null) { 11600 final Iterator<PreferredActivity> it = pir.filterIterator(); 11601 while (it.hasNext()) { 11602 final PreferredActivity pa = it.next(); 11603 if (packageName == null 11604 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11605 && pa.mPref.mAlways)) { 11606 if (outFilters != null) { 11607 outFilters.add(new IntentFilter(pa)); 11608 } 11609 if (outActivities != null) { 11610 outActivities.add(pa.mPref.mComponent); 11611 } 11612 } 11613 } 11614 } 11615 } 11616 11617 return num; 11618 } 11619 11620 @Override 11621 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11622 int userId) { 11623 int callingUid = Binder.getCallingUid(); 11624 if (callingUid != Process.SYSTEM_UID) { 11625 throw new SecurityException( 11626 "addPersistentPreferredActivity can only be run by the system"); 11627 } 11628 if (filter.countActions() == 0) { 11629 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11630 return; 11631 } 11632 synchronized (mPackages) { 11633 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11634 " :"); 11635 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11636 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11637 new PersistentPreferredActivity(filter, activity)); 11638 mSettings.writePackageRestrictionsLPr(userId); 11639 } 11640 } 11641 11642 @Override 11643 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11644 int callingUid = Binder.getCallingUid(); 11645 if (callingUid != Process.SYSTEM_UID) { 11646 throw new SecurityException( 11647 "clearPackagePersistentPreferredActivities can only be run by the system"); 11648 } 11649 ArrayList<PersistentPreferredActivity> removed = null; 11650 boolean changed = false; 11651 synchronized (mPackages) { 11652 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11653 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11654 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11655 .valueAt(i); 11656 if (userId != thisUserId) { 11657 continue; 11658 } 11659 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11660 while (it.hasNext()) { 11661 PersistentPreferredActivity ppa = it.next(); 11662 // Mark entry for removal only if it matches the package name. 11663 if (ppa.mComponent.getPackageName().equals(packageName)) { 11664 if (removed == null) { 11665 removed = new ArrayList<PersistentPreferredActivity>(); 11666 } 11667 removed.add(ppa); 11668 } 11669 } 11670 if (removed != null) { 11671 for (int j=0; j<removed.size(); j++) { 11672 PersistentPreferredActivity ppa = removed.get(j); 11673 ppir.removeFilter(ppa); 11674 } 11675 changed = true; 11676 } 11677 } 11678 11679 if (changed) { 11680 mSettings.writePackageRestrictionsLPr(userId); 11681 } 11682 } 11683 } 11684 11685 @Override 11686 public void addCrossProfileIntentFilter(IntentFilter intentFilter, int sourceUserId, 11687 int targetUserId, int flags) { 11688 mContext.enforceCallingOrSelfPermission( 11689 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11690 if (intentFilter.countActions() == 0) { 11691 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11692 return; 11693 } 11694 synchronized (mPackages) { 11695 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11696 targetUserId, flags); 11697 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11698 mSettings.writePackageRestrictionsLPr(sourceUserId); 11699 } 11700 } 11701 11702 public void addCrossProfileIntentsForPackage(String packageName, 11703 int sourceUserId, int targetUserId) { 11704 mContext.enforceCallingOrSelfPermission( 11705 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11706 mSettings.addCrossProfilePackage(packageName, sourceUserId, targetUserId); 11707 mSettings.writePackageRestrictionsLPr(sourceUserId); 11708 } 11709 11710 public void removeCrossProfileIntentsForPackage(String packageName, 11711 int sourceUserId, int targetUserId) { 11712 mContext.enforceCallingOrSelfPermission( 11713 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11714 mSettings.removeCrossProfilePackage(packageName, sourceUserId, targetUserId); 11715 mSettings.writePackageRestrictionsLPr(sourceUserId); 11716 } 11717 11718 @Override 11719 public void clearCrossProfileIntentFilters(int sourceUserId) { 11720 mContext.enforceCallingOrSelfPermission( 11721 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11722 synchronized (mPackages) { 11723 CrossProfileIntentResolver resolver = 11724 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11725 HashSet<CrossProfileIntentFilter> set = 11726 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11727 for (CrossProfileIntentFilter filter : set) { 11728 if ((filter.getFlags() & PackageManager.SET_BY_PROFILE_OWNER) != 0) { 11729 resolver.removeFilter(filter); 11730 } 11731 } 11732 mSettings.writePackageRestrictionsLPr(sourceUserId); 11733 } 11734 } 11735 11736 @Override 11737 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11738 Intent intent = new Intent(Intent.ACTION_MAIN); 11739 intent.addCategory(Intent.CATEGORY_HOME); 11740 11741 final int callingUserId = UserHandle.getCallingUserId(); 11742 List<ResolveInfo> list = queryIntentActivities(intent, null, 11743 PackageManager.GET_META_DATA, callingUserId); 11744 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11745 true, false, false, callingUserId); 11746 11747 allHomeCandidates.clear(); 11748 if (list != null) { 11749 for (ResolveInfo ri : list) { 11750 allHomeCandidates.add(ri); 11751 } 11752 } 11753 return (preferred == null || preferred.activityInfo == null) 11754 ? null 11755 : new ComponentName(preferred.activityInfo.packageName, 11756 preferred.activityInfo.name); 11757 } 11758 11759 @Override 11760 public void setApplicationEnabledSetting(String appPackageName, 11761 int newState, int flags, int userId, String callingPackage) { 11762 if (!sUserManager.exists(userId)) return; 11763 if (callingPackage == null) { 11764 callingPackage = Integer.toString(Binder.getCallingUid()); 11765 } 11766 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11767 } 11768 11769 @Override 11770 public void setComponentEnabledSetting(ComponentName componentName, 11771 int newState, int flags, int userId) { 11772 if (!sUserManager.exists(userId)) return; 11773 setEnabledSetting(componentName.getPackageName(), 11774 componentName.getClassName(), newState, flags, userId, null); 11775 } 11776 11777 private void setEnabledSetting(final String packageName, String className, int newState, 11778 final int flags, int userId, String callingPackage) { 11779 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11780 || newState == COMPONENT_ENABLED_STATE_ENABLED 11781 || newState == COMPONENT_ENABLED_STATE_DISABLED 11782 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11783 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11784 throw new IllegalArgumentException("Invalid new component state: " 11785 + newState); 11786 } 11787 PackageSetting pkgSetting; 11788 final int uid = Binder.getCallingUid(); 11789 final int permission = mContext.checkCallingOrSelfPermission( 11790 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11791 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11792 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11793 boolean sendNow = false; 11794 boolean isApp = (className == null); 11795 String componentName = isApp ? packageName : className; 11796 int packageUid = -1; 11797 ArrayList<String> components; 11798 11799 // writer 11800 synchronized (mPackages) { 11801 pkgSetting = mSettings.mPackages.get(packageName); 11802 if (pkgSetting == null) { 11803 if (className == null) { 11804 throw new IllegalArgumentException( 11805 "Unknown package: " + packageName); 11806 } 11807 throw new IllegalArgumentException( 11808 "Unknown component: " + packageName 11809 + "/" + className); 11810 } 11811 // Allow root and verify that userId is not being specified by a different user 11812 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11813 throw new SecurityException( 11814 "Permission Denial: attempt to change component state from pid=" 11815 + Binder.getCallingPid() 11816 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11817 } 11818 if (className == null) { 11819 // We're dealing with an application/package level state change 11820 if (pkgSetting.getEnabled(userId) == newState) { 11821 // Nothing to do 11822 return; 11823 } 11824 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11825 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11826 // Don't care about who enables an app. 11827 callingPackage = null; 11828 } 11829 pkgSetting.setEnabled(newState, userId, callingPackage); 11830 // pkgSetting.pkg.mSetEnabled = newState; 11831 } else { 11832 // We're dealing with a component level state change 11833 // First, verify that this is a valid class name. 11834 PackageParser.Package pkg = pkgSetting.pkg; 11835 if (pkg == null || !pkg.hasComponentClassName(className)) { 11836 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11837 throw new IllegalArgumentException("Component class " + className 11838 + " does not exist in " + packageName); 11839 } else { 11840 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11841 + className + " does not exist in " + packageName); 11842 } 11843 } 11844 switch (newState) { 11845 case COMPONENT_ENABLED_STATE_ENABLED: 11846 if (!pkgSetting.enableComponentLPw(className, userId)) { 11847 return; 11848 } 11849 break; 11850 case COMPONENT_ENABLED_STATE_DISABLED: 11851 if (!pkgSetting.disableComponentLPw(className, userId)) { 11852 return; 11853 } 11854 break; 11855 case COMPONENT_ENABLED_STATE_DEFAULT: 11856 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11857 return; 11858 } 11859 break; 11860 default: 11861 Slog.e(TAG, "Invalid new component state: " + newState); 11862 return; 11863 } 11864 } 11865 mSettings.writePackageRestrictionsLPr(userId); 11866 components = mPendingBroadcasts.get(userId, packageName); 11867 final boolean newPackage = components == null; 11868 if (newPackage) { 11869 components = new ArrayList<String>(); 11870 } 11871 if (!components.contains(componentName)) { 11872 components.add(componentName); 11873 } 11874 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11875 sendNow = true; 11876 // Purge entry from pending broadcast list if another one exists already 11877 // since we are sending one right away. 11878 mPendingBroadcasts.remove(userId, packageName); 11879 } else { 11880 if (newPackage) { 11881 mPendingBroadcasts.put(userId, packageName, components); 11882 } 11883 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11884 // Schedule a message 11885 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11886 } 11887 } 11888 } 11889 11890 long callingId = Binder.clearCallingIdentity(); 11891 try { 11892 if (sendNow) { 11893 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11894 sendPackageChangedBroadcast(packageName, 11895 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11896 } 11897 } finally { 11898 Binder.restoreCallingIdentity(callingId); 11899 } 11900 } 11901 11902 private void sendPackageChangedBroadcast(String packageName, 11903 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11904 if (DEBUG_INSTALL) 11905 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11906 + componentNames); 11907 Bundle extras = new Bundle(4); 11908 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11909 String nameList[] = new String[componentNames.size()]; 11910 componentNames.toArray(nameList); 11911 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11912 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11913 extras.putInt(Intent.EXTRA_UID, packageUid); 11914 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11915 new int[] {UserHandle.getUserId(packageUid)}); 11916 } 11917 11918 @Override 11919 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11920 if (!sUserManager.exists(userId)) return; 11921 final int uid = Binder.getCallingUid(); 11922 final int permission = mContext.checkCallingOrSelfPermission( 11923 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11924 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11925 enforceCrossUserPermission(uid, userId, true, "stop package"); 11926 // writer 11927 synchronized (mPackages) { 11928 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11929 uid, userId)) { 11930 scheduleWritePackageRestrictionsLocked(userId); 11931 } 11932 } 11933 } 11934 11935 @Override 11936 public String getInstallerPackageName(String packageName) { 11937 // reader 11938 synchronized (mPackages) { 11939 return mSettings.getInstallerPackageNameLPr(packageName); 11940 } 11941 } 11942 11943 @Override 11944 public int getApplicationEnabledSetting(String packageName, int userId) { 11945 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11946 int uid = Binder.getCallingUid(); 11947 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11948 // reader 11949 synchronized (mPackages) { 11950 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11951 } 11952 } 11953 11954 @Override 11955 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11956 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11957 int uid = Binder.getCallingUid(); 11958 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11959 // reader 11960 synchronized (mPackages) { 11961 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11962 } 11963 } 11964 11965 @Override 11966 public void enterSafeMode() { 11967 enforceSystemOrRoot("Only the system can request entering safe mode"); 11968 11969 if (!mSystemReady) { 11970 mSafeMode = true; 11971 } 11972 } 11973 11974 @Override 11975 public void systemReady() { 11976 mSystemReady = true; 11977 11978 // Read the compatibilty setting when the system is ready. 11979 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11980 mContext.getContentResolver(), 11981 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11982 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11983 if (DEBUG_SETTINGS) { 11984 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11985 } 11986 11987 synchronized (mPackages) { 11988 // Verify that all of the preferred activity components actually 11989 // exist. It is possible for applications to be updated and at 11990 // that point remove a previously declared activity component that 11991 // had been set as a preferred activity. We try to clean this up 11992 // the next time we encounter that preferred activity, but it is 11993 // possible for the user flow to never be able to return to that 11994 // situation so here we do a sanity check to make sure we haven't 11995 // left any junk around. 11996 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11997 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11998 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11999 removed.clear(); 12000 for (PreferredActivity pa : pir.filterSet()) { 12001 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12002 removed.add(pa); 12003 } 12004 } 12005 if (removed.size() > 0) { 12006 for (int r=0; r<removed.size(); r++) { 12007 PreferredActivity pa = removed.get(r); 12008 Slog.w(TAG, "Removing dangling preferred activity: " 12009 + pa.mPref.mComponent); 12010 pir.removeFilter(pa); 12011 } 12012 mSettings.writePackageRestrictionsLPr( 12013 mSettings.mPreferredActivities.keyAt(i)); 12014 } 12015 } 12016 } 12017 sUserManager.systemReady(); 12018 } 12019 12020 @Override 12021 public boolean isSafeMode() { 12022 return mSafeMode; 12023 } 12024 12025 @Override 12026 public boolean hasSystemUidErrors() { 12027 return mHasSystemUidErrors; 12028 } 12029 12030 static String arrayToString(int[] array) { 12031 StringBuffer buf = new StringBuffer(128); 12032 buf.append('['); 12033 if (array != null) { 12034 for (int i=0; i<array.length; i++) { 12035 if (i > 0) buf.append(", "); 12036 buf.append(array[i]); 12037 } 12038 } 12039 buf.append(']'); 12040 return buf.toString(); 12041 } 12042 12043 static class DumpState { 12044 public static final int DUMP_LIBS = 1 << 0; 12045 12046 public static final int DUMP_FEATURES = 1 << 1; 12047 12048 public static final int DUMP_RESOLVERS = 1 << 2; 12049 12050 public static final int DUMP_PERMISSIONS = 1 << 3; 12051 12052 public static final int DUMP_PACKAGES = 1 << 4; 12053 12054 public static final int DUMP_SHARED_USERS = 1 << 5; 12055 12056 public static final int DUMP_MESSAGES = 1 << 6; 12057 12058 public static final int DUMP_PROVIDERS = 1 << 7; 12059 12060 public static final int DUMP_VERIFIERS = 1 << 8; 12061 12062 public static final int DUMP_PREFERRED = 1 << 9; 12063 12064 public static final int DUMP_PREFERRED_XML = 1 << 10; 12065 12066 public static final int DUMP_KEYSETS = 1 << 11; 12067 12068 public static final int DUMP_VERSION = 1 << 12; 12069 12070 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12071 12072 private int mTypes; 12073 12074 private int mOptions; 12075 12076 private boolean mTitlePrinted; 12077 12078 private SharedUserSetting mSharedUser; 12079 12080 public boolean isDumping(int type) { 12081 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12082 return true; 12083 } 12084 12085 return (mTypes & type) != 0; 12086 } 12087 12088 public void setDump(int type) { 12089 mTypes |= type; 12090 } 12091 12092 public boolean isOptionEnabled(int option) { 12093 return (mOptions & option) != 0; 12094 } 12095 12096 public void setOptionEnabled(int option) { 12097 mOptions |= option; 12098 } 12099 12100 public boolean onTitlePrinted() { 12101 final boolean printed = mTitlePrinted; 12102 mTitlePrinted = true; 12103 return printed; 12104 } 12105 12106 public boolean getTitlePrinted() { 12107 return mTitlePrinted; 12108 } 12109 12110 public void setTitlePrinted(boolean enabled) { 12111 mTitlePrinted = enabled; 12112 } 12113 12114 public SharedUserSetting getSharedUser() { 12115 return mSharedUser; 12116 } 12117 12118 public void setSharedUser(SharedUserSetting user) { 12119 mSharedUser = user; 12120 } 12121 } 12122 12123 @Override 12124 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12125 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12126 != PackageManager.PERMISSION_GRANTED) { 12127 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12128 + Binder.getCallingPid() 12129 + ", uid=" + Binder.getCallingUid() 12130 + " without permission " 12131 + android.Manifest.permission.DUMP); 12132 return; 12133 } 12134 12135 DumpState dumpState = new DumpState(); 12136 boolean fullPreferred = false; 12137 boolean checkin = false; 12138 12139 String packageName = null; 12140 12141 int opti = 0; 12142 while (opti < args.length) { 12143 String opt = args[opti]; 12144 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12145 break; 12146 } 12147 opti++; 12148 if ("-a".equals(opt)) { 12149 // Right now we only know how to print all. 12150 } else if ("-h".equals(opt)) { 12151 pw.println("Package manager dump options:"); 12152 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12153 pw.println(" --checkin: dump for a checkin"); 12154 pw.println(" -f: print details of intent filters"); 12155 pw.println(" -h: print this help"); 12156 pw.println(" cmd may be one of:"); 12157 pw.println(" l[ibraries]: list known shared libraries"); 12158 pw.println(" f[ibraries]: list device features"); 12159 pw.println(" k[eysets]: print known keysets"); 12160 pw.println(" r[esolvers]: dump intent resolvers"); 12161 pw.println(" perm[issions]: dump permissions"); 12162 pw.println(" pref[erred]: print preferred package settings"); 12163 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12164 pw.println(" prov[iders]: dump content providers"); 12165 pw.println(" p[ackages]: dump installed packages"); 12166 pw.println(" s[hared-users]: dump shared user IDs"); 12167 pw.println(" m[essages]: print collected runtime messages"); 12168 pw.println(" v[erifiers]: print package verifier info"); 12169 pw.println(" version: print database version info"); 12170 pw.println(" write: write current settings now"); 12171 pw.println(" <package.name>: info about given package"); 12172 return; 12173 } else if ("--checkin".equals(opt)) { 12174 checkin = true; 12175 } else if ("-f".equals(opt)) { 12176 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12177 } else { 12178 pw.println("Unknown argument: " + opt + "; use -h for help"); 12179 } 12180 } 12181 12182 // Is the caller requesting to dump a particular piece of data? 12183 if (opti < args.length) { 12184 String cmd = args[opti]; 12185 opti++; 12186 // Is this a package name? 12187 if ("android".equals(cmd) || cmd.contains(".")) { 12188 packageName = cmd; 12189 // When dumping a single package, we always dump all of its 12190 // filter information since the amount of data will be reasonable. 12191 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12192 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12193 dumpState.setDump(DumpState.DUMP_LIBS); 12194 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12195 dumpState.setDump(DumpState.DUMP_FEATURES); 12196 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12197 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12198 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12199 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12200 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12201 dumpState.setDump(DumpState.DUMP_PREFERRED); 12202 } else if ("preferred-xml".equals(cmd)) { 12203 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12204 if (opti < args.length && "--full".equals(args[opti])) { 12205 fullPreferred = true; 12206 opti++; 12207 } 12208 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12209 dumpState.setDump(DumpState.DUMP_PACKAGES); 12210 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12211 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12212 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12213 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12214 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12215 dumpState.setDump(DumpState.DUMP_MESSAGES); 12216 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12217 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12218 } else if ("version".equals(cmd)) { 12219 dumpState.setDump(DumpState.DUMP_VERSION); 12220 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12221 dumpState.setDump(DumpState.DUMP_KEYSETS); 12222 } else if ("write".equals(cmd)) { 12223 synchronized (mPackages) { 12224 mSettings.writeLPr(); 12225 pw.println("Settings written."); 12226 return; 12227 } 12228 } 12229 } 12230 12231 if (checkin) { 12232 pw.println("vers,1"); 12233 } 12234 12235 // reader 12236 synchronized (mPackages) { 12237 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12238 if (!checkin) { 12239 if (dumpState.onTitlePrinted()) 12240 pw.println(); 12241 pw.println("Database versions:"); 12242 pw.print(" SDK Version:"); 12243 pw.print(" internal="); 12244 pw.print(mSettings.mInternalSdkPlatform); 12245 pw.print(" external="); 12246 pw.println(mSettings.mExternalSdkPlatform); 12247 pw.print(" DB Version:"); 12248 pw.print(" internal="); 12249 pw.print(mSettings.mInternalDatabaseVersion); 12250 pw.print(" external="); 12251 pw.println(mSettings.mExternalDatabaseVersion); 12252 } 12253 } 12254 12255 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12256 if (!checkin) { 12257 if (dumpState.onTitlePrinted()) 12258 pw.println(); 12259 pw.println("Verifiers:"); 12260 pw.print(" Required: "); 12261 pw.print(mRequiredVerifierPackage); 12262 pw.print(" (uid="); 12263 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12264 pw.println(")"); 12265 } else if (mRequiredVerifierPackage != null) { 12266 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12267 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12268 } 12269 } 12270 12271 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12272 boolean printedHeader = false; 12273 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12274 while (it.hasNext()) { 12275 String name = it.next(); 12276 SharedLibraryEntry ent = mSharedLibraries.get(name); 12277 if (!checkin) { 12278 if (!printedHeader) { 12279 if (dumpState.onTitlePrinted()) 12280 pw.println(); 12281 pw.println("Libraries:"); 12282 printedHeader = true; 12283 } 12284 pw.print(" "); 12285 } else { 12286 pw.print("lib,"); 12287 } 12288 pw.print(name); 12289 if (!checkin) { 12290 pw.print(" -> "); 12291 } 12292 if (ent.path != null) { 12293 if (!checkin) { 12294 pw.print("(jar) "); 12295 pw.print(ent.path); 12296 } else { 12297 pw.print(",jar,"); 12298 pw.print(ent.path); 12299 } 12300 } else { 12301 if (!checkin) { 12302 pw.print("(apk) "); 12303 pw.print(ent.apk); 12304 } else { 12305 pw.print(",apk,"); 12306 pw.print(ent.apk); 12307 } 12308 } 12309 pw.println(); 12310 } 12311 } 12312 12313 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12314 if (dumpState.onTitlePrinted()) 12315 pw.println(); 12316 if (!checkin) { 12317 pw.println("Features:"); 12318 } 12319 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12320 while (it.hasNext()) { 12321 String name = it.next(); 12322 if (!checkin) { 12323 pw.print(" "); 12324 } else { 12325 pw.print("feat,"); 12326 } 12327 pw.println(name); 12328 } 12329 } 12330 12331 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12332 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12333 : "Activity Resolver Table:", " ", packageName, 12334 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12335 dumpState.setTitlePrinted(true); 12336 } 12337 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12338 : "Receiver Resolver Table:", " ", packageName, 12339 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12340 dumpState.setTitlePrinted(true); 12341 } 12342 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12343 : "Service Resolver Table:", " ", packageName, 12344 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12345 dumpState.setTitlePrinted(true); 12346 } 12347 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12348 : "Provider Resolver Table:", " ", packageName, 12349 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12350 dumpState.setTitlePrinted(true); 12351 } 12352 } 12353 12354 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12355 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12356 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12357 int user = mSettings.mPreferredActivities.keyAt(i); 12358 if (pir.dump(pw, 12359 dumpState.getTitlePrinted() 12360 ? "\nPreferred Activities User " + user + ":" 12361 : "Preferred Activities User " + user + ":", " ", 12362 packageName, true)) { 12363 dumpState.setTitlePrinted(true); 12364 } 12365 } 12366 } 12367 12368 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12369 pw.flush(); 12370 FileOutputStream fout = new FileOutputStream(fd); 12371 BufferedOutputStream str = new BufferedOutputStream(fout); 12372 XmlSerializer serializer = new FastXmlSerializer(); 12373 try { 12374 serializer.setOutput(str, "utf-8"); 12375 serializer.startDocument(null, true); 12376 serializer.setFeature( 12377 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12378 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12379 serializer.endDocument(); 12380 serializer.flush(); 12381 } catch (IllegalArgumentException e) { 12382 pw.println("Failed writing: " + e); 12383 } catch (IllegalStateException e) { 12384 pw.println("Failed writing: " + e); 12385 } catch (IOException e) { 12386 pw.println("Failed writing: " + e); 12387 } 12388 } 12389 12390 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12391 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12392 } 12393 12394 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12395 boolean printedSomething = false; 12396 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12397 if (packageName != null && !packageName.equals(p.info.packageName)) { 12398 continue; 12399 } 12400 if (!printedSomething) { 12401 if (dumpState.onTitlePrinted()) 12402 pw.println(); 12403 pw.println("Registered ContentProviders:"); 12404 printedSomething = true; 12405 } 12406 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12407 pw.print(" "); pw.println(p.toString()); 12408 } 12409 printedSomething = false; 12410 for (Map.Entry<String, PackageParser.Provider> entry : 12411 mProvidersByAuthority.entrySet()) { 12412 PackageParser.Provider p = entry.getValue(); 12413 if (packageName != null && !packageName.equals(p.info.packageName)) { 12414 continue; 12415 } 12416 if (!printedSomething) { 12417 if (dumpState.onTitlePrinted()) 12418 pw.println(); 12419 pw.println("ContentProvider Authorities:"); 12420 printedSomething = true; 12421 } 12422 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12423 pw.print(" "); pw.println(p.toString()); 12424 if (p.info != null && p.info.applicationInfo != null) { 12425 final String appInfo = p.info.applicationInfo.toString(); 12426 pw.print(" applicationInfo="); pw.println(appInfo); 12427 } 12428 } 12429 } 12430 12431 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12432 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12433 } 12434 12435 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12436 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12437 } 12438 12439 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12440 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12441 } 12442 12443 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12444 if (dumpState.onTitlePrinted()) 12445 pw.println(); 12446 mSettings.dumpReadMessagesLPr(pw, dumpState); 12447 12448 pw.println(); 12449 pw.println("Package warning messages:"); 12450 final File fname = getSettingsProblemFile(); 12451 FileInputStream in = null; 12452 try { 12453 in = new FileInputStream(fname); 12454 final int avail = in.available(); 12455 final byte[] data = new byte[avail]; 12456 in.read(data); 12457 pw.print(new String(data)); 12458 } catch (FileNotFoundException e) { 12459 } catch (IOException e) { 12460 } finally { 12461 if (in != null) { 12462 try { 12463 in.close(); 12464 } catch (IOException e) { 12465 } 12466 } 12467 } 12468 } 12469 } 12470 } 12471 12472 // ------- apps on sdcard specific code ------- 12473 static final boolean DEBUG_SD_INSTALL = false; 12474 12475 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12476 12477 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12478 12479 private boolean mMediaMounted = false; 12480 12481 private String getEncryptKey() { 12482 try { 12483 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12484 SD_ENCRYPTION_KEYSTORE_NAME); 12485 if (sdEncKey == null) { 12486 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12487 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12488 if (sdEncKey == null) { 12489 Slog.e(TAG, "Failed to create encryption keys"); 12490 return null; 12491 } 12492 } 12493 return sdEncKey; 12494 } catch (NoSuchAlgorithmException nsae) { 12495 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12496 return null; 12497 } catch (IOException ioe) { 12498 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12499 return null; 12500 } 12501 12502 } 12503 12504 /* package */static String getTempContainerId() { 12505 int tmpIdx = 1; 12506 String list[] = PackageHelper.getSecureContainerList(); 12507 if (list != null) { 12508 for (final String name : list) { 12509 // Ignore null and non-temporary container entries 12510 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12511 continue; 12512 } 12513 12514 String subStr = name.substring(mTempContainerPrefix.length()); 12515 try { 12516 int cid = Integer.parseInt(subStr); 12517 if (cid >= tmpIdx) { 12518 tmpIdx = cid + 1; 12519 } 12520 } catch (NumberFormatException e) { 12521 } 12522 } 12523 } 12524 return mTempContainerPrefix + tmpIdx; 12525 } 12526 12527 /* 12528 * Update media status on PackageManager. 12529 */ 12530 @Override 12531 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12532 int callingUid = Binder.getCallingUid(); 12533 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12534 throw new SecurityException("Media status can only be updated by the system"); 12535 } 12536 // reader; this apparently protects mMediaMounted, but should probably 12537 // be a different lock in that case. 12538 synchronized (mPackages) { 12539 Log.i(TAG, "Updating external media status from " 12540 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12541 + (mediaStatus ? "mounted" : "unmounted")); 12542 if (DEBUG_SD_INSTALL) 12543 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12544 + ", mMediaMounted=" + mMediaMounted); 12545 if (mediaStatus == mMediaMounted) { 12546 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12547 : 0, -1); 12548 mHandler.sendMessage(msg); 12549 return; 12550 } 12551 mMediaMounted = mediaStatus; 12552 } 12553 // Queue up an async operation since the package installation may take a 12554 // little while. 12555 mHandler.post(new Runnable() { 12556 public void run() { 12557 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12558 } 12559 }); 12560 } 12561 12562 /** 12563 * Called by MountService when the initial ASECs to scan are available. 12564 * Should block until all the ASEC containers are finished being scanned. 12565 */ 12566 public void scanAvailableAsecs() { 12567 updateExternalMediaStatusInner(true, false, false); 12568 if (mShouldRestoreconData) { 12569 SELinuxMMAC.setRestoreconDone(); 12570 mShouldRestoreconData = false; 12571 } 12572 } 12573 12574 /* 12575 * Collect information of applications on external media, map them against 12576 * existing containers and update information based on current mount status. 12577 * Please note that we always have to report status if reportStatus has been 12578 * set to true especially when unloading packages. 12579 */ 12580 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12581 boolean externalStorage) { 12582 // Collection of uids 12583 int uidArr[] = null; 12584 // Collection of stale containers 12585 HashSet<String> removeCids = new HashSet<String>(); 12586 // Collection of packages on external media with valid containers. 12587 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12588 // Get list of secure containers. 12589 final String list[] = PackageHelper.getSecureContainerList(); 12590 if (list == null || list.length == 0) { 12591 Log.i(TAG, "No secure containers on sdcard"); 12592 } else { 12593 // Process list of secure containers and categorize them 12594 // as active or stale based on their package internal state. 12595 int uidList[] = new int[list.length]; 12596 int num = 0; 12597 // reader 12598 synchronized (mPackages) { 12599 for (String cid : list) { 12600 if (DEBUG_SD_INSTALL) 12601 Log.i(TAG, "Processing container " + cid); 12602 String pkgName = getAsecPackageName(cid); 12603 if (pkgName == null) { 12604 if (DEBUG_SD_INSTALL) 12605 Log.i(TAG, "Container : " + cid + " stale"); 12606 removeCids.add(cid); 12607 continue; 12608 } 12609 if (DEBUG_SD_INSTALL) 12610 Log.i(TAG, "Looking for pkg : " + pkgName); 12611 12612 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12613 if (ps == null) { 12614 Log.i(TAG, "Deleting container with no matching settings " + cid); 12615 removeCids.add(cid); 12616 continue; 12617 } 12618 12619 /* 12620 * Skip packages that are not external if we're unmounting 12621 * external storage. 12622 */ 12623 if (externalStorage && !isMounted && !isExternal(ps)) { 12624 continue; 12625 } 12626 12627 final AsecInstallArgs args = new AsecInstallArgs(cid, 12628 getAppInstructionSetFromSettings(ps), 12629 isForwardLocked(ps)); 12630 // The package status is changed only if the code path 12631 // matches between settings and the container id. 12632 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12633 if (DEBUG_SD_INSTALL) { 12634 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12635 + " at code path: " + ps.codePathString); 12636 } 12637 12638 // We do have a valid package installed on sdcard 12639 processCids.put(args, ps.codePathString); 12640 final int uid = ps.appId; 12641 if (uid != -1) { 12642 uidList[num++] = uid; 12643 } 12644 } else { 12645 Log.i(TAG, "Deleting stale container for " + cid); 12646 removeCids.add(cid); 12647 } 12648 } 12649 } 12650 12651 if (num > 0) { 12652 // Sort uid list 12653 Arrays.sort(uidList, 0, num); 12654 // Throw away duplicates 12655 uidArr = new int[num]; 12656 uidArr[0] = uidList[0]; 12657 int di = 0; 12658 for (int i = 1; i < num; i++) { 12659 if (uidList[i - 1] != uidList[i]) { 12660 uidArr[di++] = uidList[i]; 12661 } 12662 } 12663 } 12664 } 12665 // Process packages with valid entries. 12666 if (isMounted) { 12667 if (DEBUG_SD_INSTALL) 12668 Log.i(TAG, "Loading packages"); 12669 loadMediaPackages(processCids, uidArr, removeCids); 12670 startCleaningPackages(); 12671 } else { 12672 if (DEBUG_SD_INSTALL) 12673 Log.i(TAG, "Unloading packages"); 12674 unloadMediaPackages(processCids, uidArr, reportStatus); 12675 } 12676 } 12677 12678 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12679 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12680 int size = pkgList.size(); 12681 if (size > 0) { 12682 // Send broadcasts here 12683 Bundle extras = new Bundle(); 12684 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12685 .toArray(new String[size])); 12686 if (uidArr != null) { 12687 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12688 } 12689 if (replacing) { 12690 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12691 } 12692 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12693 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12694 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12695 } 12696 } 12697 12698 /* 12699 * Look at potentially valid container ids from processCids If package 12700 * information doesn't match the one on record or package scanning fails, 12701 * the cid is added to list of removeCids. We currently don't delete stale 12702 * containers. 12703 */ 12704 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12705 HashSet<String> removeCids) { 12706 ArrayList<String> pkgList = new ArrayList<String>(); 12707 Set<AsecInstallArgs> keys = processCids.keySet(); 12708 boolean doGc = false; 12709 for (AsecInstallArgs args : keys) { 12710 String codePath = processCids.get(args); 12711 if (DEBUG_SD_INSTALL) 12712 Log.i(TAG, "Loading container : " + args.cid); 12713 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12714 try { 12715 // Make sure there are no container errors first. 12716 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12717 Slog.e(TAG, "Failed to mount cid : " + args.cid 12718 + " when installing from sdcard"); 12719 continue; 12720 } 12721 // Check code path here. 12722 if (codePath == null || !codePath.equals(args.getCodePath())) { 12723 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12724 + " does not match one in settings " + codePath); 12725 continue; 12726 } 12727 // Parse package 12728 int parseFlags = mDefParseFlags; 12729 if (args.isExternal()) { 12730 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12731 } 12732 if (args.isFwdLocked()) { 12733 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12734 } 12735 12736 doGc = true; 12737 synchronized (mInstallLock) { 12738 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12739 0, 0, null, null); 12740 // Scan the package 12741 if (pkg != null) { 12742 /* 12743 * TODO why is the lock being held? doPostInstall is 12744 * called in other places without the lock. This needs 12745 * to be straightened out. 12746 */ 12747 // writer 12748 synchronized (mPackages) { 12749 retCode = PackageManager.INSTALL_SUCCEEDED; 12750 pkgList.add(pkg.packageName); 12751 // Post process args 12752 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12753 pkg.applicationInfo.uid); 12754 } 12755 } else { 12756 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12757 } 12758 } 12759 12760 } finally { 12761 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12762 // Don't destroy container here. Wait till gc clears things 12763 // up. 12764 removeCids.add(args.cid); 12765 } 12766 } 12767 } 12768 // writer 12769 synchronized (mPackages) { 12770 // If the platform SDK has changed since the last time we booted, 12771 // we need to re-grant app permission to catch any new ones that 12772 // appear. This is really a hack, and means that apps can in some 12773 // cases get permissions that the user didn't initially explicitly 12774 // allow... it would be nice to have some better way to handle 12775 // this situation. 12776 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12777 if (regrantPermissions) 12778 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12779 + mSdkVersion + "; regranting permissions for external storage"); 12780 mSettings.mExternalSdkPlatform = mSdkVersion; 12781 12782 // Make sure group IDs have been assigned, and any permission 12783 // changes in other apps are accounted for 12784 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12785 | (regrantPermissions 12786 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12787 : 0)); 12788 12789 mSettings.updateExternalDatabaseVersion(); 12790 12791 // can downgrade to reader 12792 // Persist settings 12793 mSettings.writeLPr(); 12794 } 12795 // Send a broadcast to let everyone know we are done processing 12796 if (pkgList.size() > 0) { 12797 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12798 } 12799 // Force gc to avoid any stale parser references that we might have. 12800 if (doGc) { 12801 Runtime.getRuntime().gc(); 12802 } 12803 // List stale containers and destroy stale temporary containers. 12804 if (removeCids != null) { 12805 for (String cid : removeCids) { 12806 if (cid.startsWith(mTempContainerPrefix)) { 12807 Log.i(TAG, "Destroying stale temporary container " + cid); 12808 PackageHelper.destroySdDir(cid); 12809 } else { 12810 Log.w(TAG, "Container " + cid + " is stale"); 12811 } 12812 } 12813 } 12814 } 12815 12816 /* 12817 * Utility method to unload a list of specified containers 12818 */ 12819 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12820 // Just unmount all valid containers. 12821 for (AsecInstallArgs arg : cidArgs) { 12822 synchronized (mInstallLock) { 12823 arg.doPostDeleteLI(false); 12824 } 12825 } 12826 } 12827 12828 /* 12829 * Unload packages mounted on external media. This involves deleting package 12830 * data from internal structures, sending broadcasts about diabled packages, 12831 * gc'ing to free up references, unmounting all secure containers 12832 * corresponding to packages on external media, and posting a 12833 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12834 * that we always have to post this message if status has been requested no 12835 * matter what. 12836 */ 12837 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12838 final boolean reportStatus) { 12839 if (DEBUG_SD_INSTALL) 12840 Log.i(TAG, "unloading media packages"); 12841 ArrayList<String> pkgList = new ArrayList<String>(); 12842 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12843 final Set<AsecInstallArgs> keys = processCids.keySet(); 12844 for (AsecInstallArgs args : keys) { 12845 String pkgName = args.getPackageName(); 12846 if (DEBUG_SD_INSTALL) 12847 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12848 // Delete package internally 12849 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12850 synchronized (mInstallLock) { 12851 boolean res = deletePackageLI(pkgName, null, false, null, null, 12852 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12853 if (res) { 12854 pkgList.add(pkgName); 12855 } else { 12856 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12857 failedList.add(args); 12858 } 12859 } 12860 } 12861 12862 // reader 12863 synchronized (mPackages) { 12864 // We didn't update the settings after removing each package; 12865 // write them now for all packages. 12866 mSettings.writeLPr(); 12867 } 12868 12869 // We have to absolutely send UPDATED_MEDIA_STATUS only 12870 // after confirming that all the receivers processed the ordered 12871 // broadcast when packages get disabled, force a gc to clean things up. 12872 // and unload all the containers. 12873 if (pkgList.size() > 0) { 12874 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12875 new IIntentReceiver.Stub() { 12876 public void performReceive(Intent intent, int resultCode, String data, 12877 Bundle extras, boolean ordered, boolean sticky, 12878 int sendingUser) throws RemoteException { 12879 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12880 reportStatus ? 1 : 0, 1, keys); 12881 mHandler.sendMessage(msg); 12882 } 12883 }); 12884 } else { 12885 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12886 keys); 12887 mHandler.sendMessage(msg); 12888 } 12889 } 12890 12891 /** Binder call */ 12892 @Override 12893 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12894 final int flags) { 12895 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12896 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12897 int returnCode = PackageManager.MOVE_SUCCEEDED; 12898 int currFlags = 0; 12899 int newFlags = 0; 12900 // reader 12901 synchronized (mPackages) { 12902 PackageParser.Package pkg = mPackages.get(packageName); 12903 if (pkg == null) { 12904 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12905 } else { 12906 // Disable moving fwd locked apps and system packages 12907 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12908 Slog.w(TAG, "Cannot move system application"); 12909 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12910 } else if (pkg.mOperationPending) { 12911 Slog.w(TAG, "Attempt to move package which has pending operations"); 12912 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12913 } else { 12914 // Find install location first 12915 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12916 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12917 Slog.w(TAG, "Ambigous flags specified for move location."); 12918 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12919 } else { 12920 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12921 : PackageManager.INSTALL_INTERNAL; 12922 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12923 : PackageManager.INSTALL_INTERNAL; 12924 12925 if (newFlags == currFlags) { 12926 Slog.w(TAG, "No move required. Trying to move to same location"); 12927 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12928 } else { 12929 if (isForwardLocked(pkg)) { 12930 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12931 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12932 } 12933 } 12934 } 12935 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12936 pkg.mOperationPending = true; 12937 } 12938 } 12939 } 12940 12941 /* 12942 * TODO this next block probably shouldn't be inside the lock. We 12943 * can't guarantee these won't change after this is fired off 12944 * anyway. 12945 */ 12946 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12947 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12948 null, -1, user), 12949 returnCode); 12950 } else { 12951 Message msg = mHandler.obtainMessage(INIT_COPY); 12952 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12953 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12954 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12955 instructionSet); 12956 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12957 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12958 msg.obj = mp; 12959 mHandler.sendMessage(msg); 12960 } 12961 } 12962 } 12963 12964 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12965 // Queue up an async operation since the package deletion may take a 12966 // little while. 12967 mHandler.post(new Runnable() { 12968 public void run() { 12969 // TODO fix this; this does nothing. 12970 mHandler.removeCallbacks(this); 12971 int returnCode = currentStatus; 12972 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12973 int uidArr[] = null; 12974 ArrayList<String> pkgList = null; 12975 synchronized (mPackages) { 12976 PackageParser.Package pkg = mPackages.get(mp.packageName); 12977 if (pkg == null) { 12978 Slog.w(TAG, " Package " + mp.packageName 12979 + " doesn't exist. Aborting move"); 12980 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12981 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12982 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12983 + mp.srcArgs.getCodePath() + " to " 12984 + pkg.applicationInfo.sourceDir 12985 + " Aborting move and returning error"); 12986 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12987 } else { 12988 uidArr = new int[] { 12989 pkg.applicationInfo.uid 12990 }; 12991 pkgList = new ArrayList<String>(); 12992 pkgList.add(mp.packageName); 12993 } 12994 } 12995 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12996 // Send resources unavailable broadcast 12997 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12998 // Update package code and resource paths 12999 synchronized (mInstallLock) { 13000 synchronized (mPackages) { 13001 PackageParser.Package pkg = mPackages.get(mp.packageName); 13002 // Recheck for package again. 13003 if (pkg == null) { 13004 Slog.w(TAG, " Package " + mp.packageName 13005 + " doesn't exist. Aborting move"); 13006 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13007 } else if (!mp.srcArgs.getCodePath().equals( 13008 pkg.applicationInfo.sourceDir)) { 13009 Slog.w(TAG, "Package " + mp.packageName 13010 + " code path changed from " + mp.srcArgs.getCodePath() 13011 + " to " + pkg.applicationInfo.sourceDir 13012 + " Aborting move and returning error"); 13013 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 13014 } else { 13015 final String oldCodePath = pkg.codePath; 13016 final String newCodePath = mp.targetArgs.getCodePath(); 13017 final String newResPath = mp.targetArgs.getResourcePath(); 13018 final String newNativePath = mp.targetArgs 13019 .getNativeLibraryPath(); 13020 13021 final File newNativeDir = new File(newNativePath); 13022 13023 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 13024 // NOTE: We do not report any errors from the APK scan and library 13025 // copy at this point. 13026 NativeLibraryHelper.ApkHandle handle = 13027 new NativeLibraryHelper.ApkHandle(newCodePath); 13028 final int abi = NativeLibraryHelper.findSupportedAbi( 13029 handle, Build.SUPPORTED_ABIS); 13030 if (abi >= 0) { 13031 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 13032 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 13033 } 13034 handle.close(); 13035 } 13036 final int[] users = sUserManager.getUserIds(); 13037 for (int user : users) { 13038 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 13039 newNativePath, user) < 0) { 13040 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 13041 } 13042 } 13043 13044 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13045 pkg.codePath = newCodePath; 13046 // Move dex files around 13047 if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) { 13048 // Moving of dex files failed. Set 13049 // error code and abort move. 13050 pkg.codePath = oldCodePath; 13051 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 13052 } 13053 } 13054 13055 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13056 pkg.applicationInfo.sourceDir = newCodePath; 13057 pkg.applicationInfo.publicSourceDir = newResPath; 13058 pkg.applicationInfo.nativeLibraryDir = newNativePath; 13059 PackageSetting ps = (PackageSetting) pkg.mExtras; 13060 ps.codePath = new File(pkg.applicationInfo.sourceDir); 13061 ps.codePathString = ps.codePath.getPath(); 13062 ps.resourcePath = new File( 13063 pkg.applicationInfo.publicSourceDir); 13064 ps.resourcePathString = ps.resourcePath.getPath(); 13065 ps.nativeLibraryPathString = newNativePath; 13066 // Set the application info flag 13067 // correctly. 13068 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 13069 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 13070 } else { 13071 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 13072 } 13073 ps.setFlags(pkg.applicationInfo.flags); 13074 mAppDirs.remove(oldCodePath); 13075 mAppDirs.put(newCodePath, pkg); 13076 // Persist settings 13077 mSettings.writeLPr(); 13078 } 13079 } 13080 } 13081 } 13082 // Send resources available broadcast 13083 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 13084 } 13085 } 13086 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13087 // Clean up failed installation 13088 if (mp.targetArgs != null) { 13089 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 13090 -1); 13091 } 13092 } else { 13093 // Force a gc to clear things up. 13094 Runtime.getRuntime().gc(); 13095 // Delete older code 13096 synchronized (mInstallLock) { 13097 mp.srcArgs.doPostDeleteLI(true); 13098 } 13099 } 13100 13101 // Allow more operations on this file if we didn't fail because 13102 // an operation was already pending for this package. 13103 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 13104 synchronized (mPackages) { 13105 PackageParser.Package pkg = mPackages.get(mp.packageName); 13106 if (pkg != null) { 13107 pkg.mOperationPending = false; 13108 } 13109 } 13110 } 13111 13112 IPackageMoveObserver observer = mp.observer; 13113 if (observer != null) { 13114 try { 13115 observer.packageMoved(mp.packageName, returnCode); 13116 } catch (RemoteException e) { 13117 Log.i(TAG, "Observer no longer exists."); 13118 } 13119 } 13120 } 13121 }); 13122 } 13123 13124 @Override 13125 public boolean setInstallLocation(int loc) { 13126 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13127 null); 13128 if (getInstallLocation() == loc) { 13129 return true; 13130 } 13131 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13132 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13133 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13134 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13135 return true; 13136 } 13137 return false; 13138 } 13139 13140 @Override 13141 public int getInstallLocation() { 13142 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13143 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13144 PackageHelper.APP_INSTALL_AUTO); 13145 } 13146 13147 /** Called by UserManagerService */ 13148 void cleanUpUserLILPw(int userHandle) { 13149 mDirtyUsers.remove(userHandle); 13150 mSettings.removeUserLPr(userHandle); 13151 mPendingBroadcasts.remove(userHandle); 13152 if (mInstaller != null) { 13153 // Technically, we shouldn't be doing this with the package lock 13154 // held. However, this is very rare, and there is already so much 13155 // other disk I/O going on, that we'll let it slide for now. 13156 mInstaller.removeUserDataDirs(userHandle); 13157 } 13158 } 13159 13160 /** Called by UserManagerService */ 13161 void createNewUserLILPw(int userHandle, File path) { 13162 if (mInstaller != null) { 13163 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13164 } 13165 } 13166 13167 @Override 13168 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13169 mContext.enforceCallingOrSelfPermission( 13170 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13171 "Only package verification agents can read the verifier device identity"); 13172 13173 synchronized (mPackages) { 13174 return mSettings.getVerifierDeviceIdentityLPw(); 13175 } 13176 } 13177 13178 @Override 13179 public void setPermissionEnforced(String permission, boolean enforced) { 13180 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13181 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13182 synchronized (mPackages) { 13183 if (mSettings.mReadExternalStorageEnforced == null 13184 || mSettings.mReadExternalStorageEnforced != enforced) { 13185 mSettings.mReadExternalStorageEnforced = enforced; 13186 mSettings.writeLPr(); 13187 } 13188 } 13189 // kill any non-foreground processes so we restart them and 13190 // grant/revoke the GID. 13191 final IActivityManager am = ActivityManagerNative.getDefault(); 13192 if (am != null) { 13193 final long token = Binder.clearCallingIdentity(); 13194 try { 13195 am.killProcessesBelowForeground("setPermissionEnforcement"); 13196 } catch (RemoteException e) { 13197 } finally { 13198 Binder.restoreCallingIdentity(token); 13199 } 13200 } 13201 } else { 13202 throw new IllegalArgumentException("No selective enforcement for " + permission); 13203 } 13204 } 13205 13206 @Override 13207 @Deprecated 13208 public boolean isPermissionEnforced(String permission) { 13209 return true; 13210 } 13211 13212 @Override 13213 public boolean isStorageLow() { 13214 final long token = Binder.clearCallingIdentity(); 13215 try { 13216 final DeviceStorageMonitorInternal 13217 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13218 if (dsm != null) { 13219 return dsm.isMemoryLow(); 13220 } else { 13221 return false; 13222 } 13223 } finally { 13224 Binder.restoreCallingIdentity(token); 13225 } 13226 } 13227 13228 @Override 13229 public IPackageInstaller getPackageInstaller() { 13230 return mInstallerService; 13231 } 13232} 13233