PackageManagerService.java revision aeb0ed74670e0502a04b689fe1b4fe0f537f4a91
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 mIsFirstBoot = false; 625 626 boolean isFirstBoot() { 627 return mIsFirstBoot; 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 mIsFirstBoot = true; 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 // Additionally, delete all dex files from the root directory 1492 // since there shouldn't be any there anyway. 1493 // 1494 // TODO: This should be revisited because it isn't as good an indicator 1495 // as it used to be. It used to include the boot classpath but at some point 1496 // DexFile.isDexOptNeeded started returning false for the boot 1497 // class path files in all cases. It is very possible in a 1498 // small maintenance release update that the library and tool 1499 // jars may be unchanged but APK could be removed resulting in 1500 // unused dalvik-cache files. 1501 mInstaller.pruneDexCache(); 1502 } 1503 1504 // Collect vendor overlay packages. 1505 // (Do this before scanning any apps.) 1506 // For security and version matching reason, only consider 1507 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1508 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1509 mVendorOverlayInstallObserver = new AppDirObserver( 1510 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1511 mVendorOverlayInstallObserver.startWatching(); 1512 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1513 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1514 1515 // Find base frameworks (resource packages without code). 1516 mFrameworkInstallObserver = new AppDirObserver( 1517 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1518 mFrameworkInstallObserver.startWatching(); 1519 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1520 | PackageParser.PARSE_IS_SYSTEM_DIR 1521 | PackageParser.PARSE_IS_PRIVILEGED, 1522 scanMode | SCAN_NO_DEX, 0); 1523 1524 // Collected privileged system packages. 1525 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1526 mPrivilegedInstallObserver = new AppDirObserver( 1527 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1528 mPrivilegedInstallObserver.startWatching(); 1529 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1530 | PackageParser.PARSE_IS_SYSTEM_DIR 1531 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1532 1533 // Collect ordinary system packages. 1534 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1535 mSystemInstallObserver = new AppDirObserver( 1536 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1537 mSystemInstallObserver.startWatching(); 1538 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1539 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1540 1541 // Collect all vendor packages. 1542 File vendorAppDir = new File("/vendor/app"); 1543 try { 1544 vendorAppDir = vendorAppDir.getCanonicalFile(); 1545 } catch (IOException e) { 1546 // failed to look up canonical path, continue with original one 1547 } 1548 mVendorInstallObserver = new AppDirObserver( 1549 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1550 mVendorInstallObserver.startWatching(); 1551 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1552 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1553 1554 // Collect all OEM packages. 1555 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1556 mOemInstallObserver = new AppDirObserver( 1557 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1558 mOemInstallObserver.startWatching(); 1559 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1560 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1561 1562 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1563 mInstaller.moveFiles(); 1564 1565 // Prune any system packages that no longer exist. 1566 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1567 if (!mOnlyCore) { 1568 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1569 while (psit.hasNext()) { 1570 PackageSetting ps = psit.next(); 1571 1572 /* 1573 * If this is not a system app, it can't be a 1574 * disable system app. 1575 */ 1576 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1577 continue; 1578 } 1579 1580 /* 1581 * If the package is scanned, it's not erased. 1582 */ 1583 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1584 if (scannedPkg != null) { 1585 /* 1586 * If the system app is both scanned and in the 1587 * disabled packages list, then it must have been 1588 * added via OTA. Remove it from the currently 1589 * scanned package so the previously user-installed 1590 * application can be scanned. 1591 */ 1592 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1593 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1594 + "; removing system app"); 1595 removePackageLI(ps, true); 1596 } 1597 1598 continue; 1599 } 1600 1601 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1602 psit.remove(); 1603 String msg = "System package " + ps.name 1604 + " no longer exists; wiping its data"; 1605 reportSettingsProblem(Log.WARN, msg); 1606 removeDataDirsLI(ps.name); 1607 } else { 1608 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1609 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1610 possiblyDeletedUpdatedSystemApps.add(ps.name); 1611 } 1612 } 1613 } 1614 } 1615 1616 //look for any incomplete package installations 1617 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1618 //clean up list 1619 for(int i = 0; i < deletePkgsList.size(); i++) { 1620 //clean up here 1621 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1622 } 1623 //delete tmp files 1624 deleteTempPackageFiles(); 1625 1626 // Remove any shared userIDs that have no associated packages 1627 mSettings.pruneSharedUsersLPw(); 1628 1629 if (!mOnlyCore) { 1630 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1631 SystemClock.uptimeMillis()); 1632 mAppInstallObserver = new AppDirObserver( 1633 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1634 mAppInstallObserver.startWatching(); 1635 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1636 1637 mDrmAppInstallObserver = new AppDirObserver( 1638 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1639 mDrmAppInstallObserver.startWatching(); 1640 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1641 scanMode, 0); 1642 1643 /** 1644 * Remove disable package settings for any updated system 1645 * apps that were removed via an OTA. If they're not a 1646 * previously-updated app, remove them completely. 1647 * Otherwise, just revoke their system-level permissions. 1648 */ 1649 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1650 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1651 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1652 1653 String msg; 1654 if (deletedPkg == null) { 1655 msg = "Updated system package " + deletedAppName 1656 + " no longer exists; wiping its data"; 1657 removeDataDirsLI(deletedAppName); 1658 } else { 1659 msg = "Updated system app + " + deletedAppName 1660 + " no longer present; removing system privileges for " 1661 + deletedAppName; 1662 1663 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1664 1665 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1666 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1667 } 1668 reportSettingsProblem(Log.WARN, msg); 1669 } 1670 } else { 1671 mAppInstallObserver = null; 1672 mDrmAppInstallObserver = null; 1673 } 1674 1675 // Now that we know all of the shared libraries, update all clients to have 1676 // the correct library paths. 1677 updateAllSharedLibrariesLPw(); 1678 1679 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1680 // NOTE: We ignore potential failures here during a system scan (like 1681 // the rest of the commands above) because there's precious little we 1682 // can do about it. A settings error is reported, though. 1683 adjustCpuAbisForSharedUserLPw(setting.packages, null, 1684 false /* force dexopt */, false /* defer dexopt */); 1685 } 1686 1687 // Now that we know all the packages we are keeping, 1688 // read and update their last usage times. 1689 mPackageUsage.readLP(); 1690 1691 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1692 SystemClock.uptimeMillis()); 1693 Slog.i(TAG, "Time to scan packages: " 1694 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1695 + " seconds"); 1696 1697 // If the platform SDK has changed since the last time we booted, 1698 // we need to re-grant app permission to catch any new ones that 1699 // appear. This is really a hack, and means that apps can in some 1700 // cases get permissions that the user didn't initially explicitly 1701 // allow... it would be nice to have some better way to handle 1702 // this situation. 1703 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1704 != mSdkVersion; 1705 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1706 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1707 + "; regranting permissions for internal storage"); 1708 mSettings.mInternalSdkPlatform = mSdkVersion; 1709 1710 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1711 | (regrantPermissions 1712 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1713 : 0)); 1714 1715 // If this is the first boot, and it is a normal boot, then 1716 // we need to initialize the default preferred apps. 1717 if (!mRestoredSettings && !onlyCore) { 1718 mSettings.readDefaultPreferredAppsLPw(this, 0); 1719 } 1720 1721 // All the changes are done during package scanning. 1722 mSettings.updateInternalDatabaseVersion(); 1723 1724 // can downgrade to reader 1725 mSettings.writeLPr(); 1726 1727 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1728 SystemClock.uptimeMillis()); 1729 1730 1731 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1732 } // synchronized (mPackages) 1733 } // synchronized (mInstallLock) 1734 1735 mInstallerService = new PackageInstallerService(context, this, mAppStagingDir); 1736 1737 // Now after opening every single application zip, make sure they 1738 // are all flushed. Not really needed, but keeps things nice and 1739 // tidy. 1740 Runtime.getRuntime().gc(); 1741 } 1742 1743 @Override 1744 public boolean isFirstBoot() { 1745 return !mRestoredSettings || mPackageUsage.isFirstBoot(); 1746 } 1747 1748 @Override 1749 public boolean isOnlyCoreApps() { 1750 return mOnlyCore; 1751 } 1752 1753 private String getRequiredVerifierLPr() { 1754 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1755 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1756 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1757 1758 String requiredVerifier = null; 1759 1760 final int N = receivers.size(); 1761 for (int i = 0; i < N; i++) { 1762 final ResolveInfo info = receivers.get(i); 1763 1764 if (info.activityInfo == null) { 1765 continue; 1766 } 1767 1768 final String packageName = info.activityInfo.packageName; 1769 1770 final PackageSetting ps = mSettings.mPackages.get(packageName); 1771 if (ps == null) { 1772 continue; 1773 } 1774 1775 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1776 if (!gp.grantedPermissions 1777 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1778 continue; 1779 } 1780 1781 if (requiredVerifier != null) { 1782 throw new RuntimeException("There can be only one required verifier"); 1783 } 1784 1785 requiredVerifier = packageName; 1786 } 1787 1788 return requiredVerifier; 1789 } 1790 1791 @Override 1792 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1793 throws RemoteException { 1794 try { 1795 return super.onTransact(code, data, reply, flags); 1796 } catch (RuntimeException e) { 1797 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1798 Slog.wtf(TAG, "Package Manager Crash", e); 1799 } 1800 throw e; 1801 } 1802 } 1803 1804 void cleanupInstallFailedPackage(PackageSetting ps) { 1805 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1806 removeDataDirsLI(ps.name); 1807 if (ps.codePath != null) { 1808 if (!ps.codePath.delete()) { 1809 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1810 } 1811 } 1812 if (ps.resourcePath != null) { 1813 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1814 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1815 } 1816 } 1817 mSettings.removePackageLPw(ps.name); 1818 } 1819 1820 void readPermissions(File libraryDir, boolean onlyFeatures) { 1821 // Read permissions from .../etc/permission directory. 1822 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1823 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1824 return; 1825 } 1826 if (!libraryDir.canRead()) { 1827 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1828 return; 1829 } 1830 1831 // Iterate over the files in the directory and scan .xml files 1832 for (File f : libraryDir.listFiles()) { 1833 // We'll read platform.xml last 1834 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1835 continue; 1836 } 1837 1838 if (!f.getPath().endsWith(".xml")) { 1839 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1840 continue; 1841 } 1842 if (!f.canRead()) { 1843 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1844 continue; 1845 } 1846 1847 readPermissionsFromXml(f, onlyFeatures); 1848 } 1849 1850 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1851 final File permFile = new File(Environment.getRootDirectory(), 1852 "etc/permissions/platform.xml"); 1853 readPermissionsFromXml(permFile, onlyFeatures); 1854 } 1855 1856 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1857 FileReader permReader = null; 1858 try { 1859 permReader = new FileReader(permFile); 1860 } catch (FileNotFoundException e) { 1861 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1862 return; 1863 } 1864 1865 try { 1866 XmlPullParser parser = Xml.newPullParser(); 1867 parser.setInput(permReader); 1868 1869 XmlUtils.beginDocument(parser, "permissions"); 1870 1871 while (true) { 1872 XmlUtils.nextElement(parser); 1873 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1874 break; 1875 } 1876 1877 String name = parser.getName(); 1878 if ("group".equals(name) && !onlyFeatures) { 1879 String gidStr = parser.getAttributeValue(null, "gid"); 1880 if (gidStr != null) { 1881 int gid = Process.getGidForName(gidStr); 1882 mGlobalGids = appendInt(mGlobalGids, gid); 1883 } else { 1884 Slog.w(TAG, "<group> without gid at " 1885 + parser.getPositionDescription()); 1886 } 1887 1888 XmlUtils.skipCurrentTag(parser); 1889 continue; 1890 } else if ("permission".equals(name) && !onlyFeatures) { 1891 String perm = parser.getAttributeValue(null, "name"); 1892 if (perm == null) { 1893 Slog.w(TAG, "<permission> without name at " 1894 + parser.getPositionDescription()); 1895 XmlUtils.skipCurrentTag(parser); 1896 continue; 1897 } 1898 perm = perm.intern(); 1899 readPermission(parser, perm); 1900 1901 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1902 String perm = parser.getAttributeValue(null, "name"); 1903 if (perm == null) { 1904 Slog.w(TAG, "<assign-permission> without name at " 1905 + parser.getPositionDescription()); 1906 XmlUtils.skipCurrentTag(parser); 1907 continue; 1908 } 1909 String uidStr = parser.getAttributeValue(null, "uid"); 1910 if (uidStr == null) { 1911 Slog.w(TAG, "<assign-permission> without uid at " 1912 + parser.getPositionDescription()); 1913 XmlUtils.skipCurrentTag(parser); 1914 continue; 1915 } 1916 int uid = Process.getUidForName(uidStr); 1917 if (uid < 0) { 1918 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1919 + uidStr + "\" at " 1920 + parser.getPositionDescription()); 1921 XmlUtils.skipCurrentTag(parser); 1922 continue; 1923 } 1924 perm = perm.intern(); 1925 HashSet<String> perms = mSystemPermissions.get(uid); 1926 if (perms == null) { 1927 perms = new HashSet<String>(); 1928 mSystemPermissions.put(uid, perms); 1929 } 1930 perms.add(perm); 1931 XmlUtils.skipCurrentTag(parser); 1932 1933 } else if ("library".equals(name) && !onlyFeatures) { 1934 String lname = parser.getAttributeValue(null, "name"); 1935 String lfile = parser.getAttributeValue(null, "file"); 1936 if (lname == null) { 1937 Slog.w(TAG, "<library> without name at " 1938 + parser.getPositionDescription()); 1939 } else if (lfile == null) { 1940 Slog.w(TAG, "<library> without file at " 1941 + parser.getPositionDescription()); 1942 } else { 1943 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1944 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1945 } 1946 XmlUtils.skipCurrentTag(parser); 1947 continue; 1948 1949 } else if ("feature".equals(name)) { 1950 String fname = parser.getAttributeValue(null, "name"); 1951 if (fname == null) { 1952 Slog.w(TAG, "<feature> without name at " 1953 + parser.getPositionDescription()); 1954 } else { 1955 //Log.i(TAG, "Got feature " + fname); 1956 FeatureInfo fi = new FeatureInfo(); 1957 fi.name = fname; 1958 mAvailableFeatures.put(fname, fi); 1959 } 1960 XmlUtils.skipCurrentTag(parser); 1961 continue; 1962 1963 } else { 1964 XmlUtils.skipCurrentTag(parser); 1965 continue; 1966 } 1967 1968 } 1969 permReader.close(); 1970 } catch (XmlPullParserException e) { 1971 Slog.w(TAG, "Got execption parsing permissions.", e); 1972 } catch (IOException e) { 1973 Slog.w(TAG, "Got execption parsing permissions.", e); 1974 } 1975 } 1976 1977 void readPermission(XmlPullParser parser, String name) 1978 throws IOException, XmlPullParserException { 1979 1980 name = name.intern(); 1981 1982 BasePermission bp = mSettings.mPermissions.get(name); 1983 if (bp == null) { 1984 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1985 mSettings.mPermissions.put(name, bp); 1986 } 1987 int outerDepth = parser.getDepth(); 1988 int type; 1989 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1990 && (type != XmlPullParser.END_TAG 1991 || parser.getDepth() > outerDepth)) { 1992 if (type == XmlPullParser.END_TAG 1993 || type == XmlPullParser.TEXT) { 1994 continue; 1995 } 1996 1997 String tagName = parser.getName(); 1998 if ("group".equals(tagName)) { 1999 String gidStr = parser.getAttributeValue(null, "gid"); 2000 if (gidStr != null) { 2001 int gid = Process.getGidForName(gidStr); 2002 bp.gids = appendInt(bp.gids, gid); 2003 } else { 2004 Slog.w(TAG, "<group> without gid at " 2005 + parser.getPositionDescription()); 2006 } 2007 } 2008 XmlUtils.skipCurrentTag(parser); 2009 } 2010 } 2011 2012 static int[] appendInts(int[] cur, int[] add) { 2013 if (add == null) return cur; 2014 if (cur == null) return add; 2015 final int N = add.length; 2016 for (int i=0; i<N; i++) { 2017 cur = appendInt(cur, add[i]); 2018 } 2019 return cur; 2020 } 2021 2022 static int[] removeInts(int[] cur, int[] rem) { 2023 if (rem == null) return cur; 2024 if (cur == null) return cur; 2025 final int N = rem.length; 2026 for (int i=0; i<N; i++) { 2027 cur = removeInt(cur, rem[i]); 2028 } 2029 return cur; 2030 } 2031 2032 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2033 if (!sUserManager.exists(userId)) return null; 2034 final PackageSetting ps = (PackageSetting) p.mExtras; 2035 if (ps == null) { 2036 return null; 2037 } 2038 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2039 final PackageUserState state = ps.readUserState(userId); 2040 return PackageParser.generatePackageInfo(p, gp.gids, flags, 2041 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 2042 state, userId); 2043 } 2044 2045 @Override 2046 public boolean isPackageAvailable(String packageName, int userId) { 2047 if (!sUserManager.exists(userId)) return false; 2048 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 2049 synchronized (mPackages) { 2050 PackageParser.Package p = mPackages.get(packageName); 2051 if (p != null) { 2052 final PackageSetting ps = (PackageSetting) p.mExtras; 2053 if (ps != null) { 2054 final PackageUserState state = ps.readUserState(userId); 2055 if (state != null) { 2056 return PackageParser.isAvailable(state); 2057 } 2058 } 2059 } 2060 } 2061 return false; 2062 } 2063 2064 @Override 2065 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2066 if (!sUserManager.exists(userId)) return null; 2067 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 2068 // reader 2069 synchronized (mPackages) { 2070 PackageParser.Package p = mPackages.get(packageName); 2071 if (DEBUG_PACKAGE_INFO) 2072 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2073 if (p != null) { 2074 return generatePackageInfo(p, flags, userId); 2075 } 2076 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2077 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2078 } 2079 } 2080 return null; 2081 } 2082 2083 @Override 2084 public String[] currentToCanonicalPackageNames(String[] names) { 2085 String[] out = new String[names.length]; 2086 // reader 2087 synchronized (mPackages) { 2088 for (int i=names.length-1; i>=0; i--) { 2089 PackageSetting ps = mSettings.mPackages.get(names[i]); 2090 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2091 } 2092 } 2093 return out; 2094 } 2095 2096 @Override 2097 public String[] canonicalToCurrentPackageNames(String[] names) { 2098 String[] out = new String[names.length]; 2099 // reader 2100 synchronized (mPackages) { 2101 for (int i=names.length-1; i>=0; i--) { 2102 String cur = mSettings.mRenamedPackages.get(names[i]); 2103 out[i] = cur != null ? cur : names[i]; 2104 } 2105 } 2106 return out; 2107 } 2108 2109 @Override 2110 public int getPackageUid(String packageName, int userId) { 2111 if (!sUserManager.exists(userId)) return -1; 2112 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2113 // reader 2114 synchronized (mPackages) { 2115 PackageParser.Package p = mPackages.get(packageName); 2116 if(p != null) { 2117 return UserHandle.getUid(userId, p.applicationInfo.uid); 2118 } 2119 PackageSetting ps = mSettings.mPackages.get(packageName); 2120 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2121 return -1; 2122 } 2123 p = ps.pkg; 2124 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2125 } 2126 } 2127 2128 @Override 2129 public int[] getPackageGids(String packageName) { 2130 // reader 2131 synchronized (mPackages) { 2132 PackageParser.Package p = mPackages.get(packageName); 2133 if (DEBUG_PACKAGE_INFO) 2134 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2135 if (p != null) { 2136 final PackageSetting ps = (PackageSetting)p.mExtras; 2137 return ps.getGids(); 2138 } 2139 } 2140 // stupid thing to indicate an error. 2141 return new int[0]; 2142 } 2143 2144 static final PermissionInfo generatePermissionInfo( 2145 BasePermission bp, int flags) { 2146 if (bp.perm != null) { 2147 return PackageParser.generatePermissionInfo(bp.perm, flags); 2148 } 2149 PermissionInfo pi = new PermissionInfo(); 2150 pi.name = bp.name; 2151 pi.packageName = bp.sourcePackage; 2152 pi.nonLocalizedLabel = bp.name; 2153 pi.protectionLevel = bp.protectionLevel; 2154 return pi; 2155 } 2156 2157 @Override 2158 public PermissionInfo getPermissionInfo(String name, int flags) { 2159 // reader 2160 synchronized (mPackages) { 2161 final BasePermission p = mSettings.mPermissions.get(name); 2162 if (p != null) { 2163 return generatePermissionInfo(p, flags); 2164 } 2165 return null; 2166 } 2167 } 2168 2169 @Override 2170 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2171 // reader 2172 synchronized (mPackages) { 2173 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2174 for (BasePermission p : mSettings.mPermissions.values()) { 2175 if (group == null) { 2176 if (p.perm == null || p.perm.info.group == null) { 2177 out.add(generatePermissionInfo(p, flags)); 2178 } 2179 } else { 2180 if (p.perm != null && group.equals(p.perm.info.group)) { 2181 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2182 } 2183 } 2184 } 2185 2186 if (out.size() > 0) { 2187 return out; 2188 } 2189 return mPermissionGroups.containsKey(group) ? out : null; 2190 } 2191 } 2192 2193 @Override 2194 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2195 // reader 2196 synchronized (mPackages) { 2197 return PackageParser.generatePermissionGroupInfo( 2198 mPermissionGroups.get(name), flags); 2199 } 2200 } 2201 2202 @Override 2203 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2204 // reader 2205 synchronized (mPackages) { 2206 final int N = mPermissionGroups.size(); 2207 ArrayList<PermissionGroupInfo> out 2208 = new ArrayList<PermissionGroupInfo>(N); 2209 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2210 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2211 } 2212 return out; 2213 } 2214 } 2215 2216 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2217 int userId) { 2218 if (!sUserManager.exists(userId)) return null; 2219 PackageSetting ps = mSettings.mPackages.get(packageName); 2220 if (ps != null) { 2221 if (ps.pkg == null) { 2222 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2223 flags, userId); 2224 if (pInfo != null) { 2225 return pInfo.applicationInfo; 2226 } 2227 return null; 2228 } 2229 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2230 ps.readUserState(userId), userId); 2231 } 2232 return null; 2233 } 2234 2235 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2236 int userId) { 2237 if (!sUserManager.exists(userId)) return null; 2238 PackageSetting ps = mSettings.mPackages.get(packageName); 2239 if (ps != null) { 2240 PackageParser.Package pkg = ps.pkg; 2241 if (pkg == null) { 2242 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2243 return null; 2244 } 2245 // App code is gone, so we aren't worried about split paths 2246 pkg = new PackageParser.Package(packageName); 2247 pkg.applicationInfo.packageName = packageName; 2248 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2249 pkg.applicationInfo.sourceDir = ps.codePathString; 2250 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2251 pkg.applicationInfo.dataDir = 2252 getDataPathForPackage(packageName, 0).getPath(); 2253 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2254 pkg.applicationInfo.cpuAbi = ps.cpuAbiString; 2255 } 2256 return generatePackageInfo(pkg, flags, userId); 2257 } 2258 return null; 2259 } 2260 2261 @Override 2262 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2263 if (!sUserManager.exists(userId)) return null; 2264 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2265 // writer 2266 synchronized (mPackages) { 2267 PackageParser.Package p = mPackages.get(packageName); 2268 if (DEBUG_PACKAGE_INFO) Log.v( 2269 TAG, "getApplicationInfo " + packageName 2270 + ": " + p); 2271 if (p != null) { 2272 PackageSetting ps = mSettings.mPackages.get(packageName); 2273 if (ps == null) return null; 2274 // Note: isEnabledLP() does not apply here - always return info 2275 return PackageParser.generateApplicationInfo( 2276 p, flags, ps.readUserState(userId), userId); 2277 } 2278 if ("android".equals(packageName)||"system".equals(packageName)) { 2279 return mAndroidApplication; 2280 } 2281 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2282 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2283 } 2284 } 2285 return null; 2286 } 2287 2288 2289 @Override 2290 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2291 mContext.enforceCallingOrSelfPermission( 2292 android.Manifest.permission.CLEAR_APP_CACHE, null); 2293 // Queue up an async operation since clearing cache may take a little while. 2294 mHandler.post(new Runnable() { 2295 public void run() { 2296 mHandler.removeCallbacks(this); 2297 int retCode = -1; 2298 synchronized (mInstallLock) { 2299 retCode = mInstaller.freeCache(freeStorageSize); 2300 if (retCode < 0) { 2301 Slog.w(TAG, "Couldn't clear application caches"); 2302 } 2303 } 2304 if (observer != null) { 2305 try { 2306 observer.onRemoveCompleted(null, (retCode >= 0)); 2307 } catch (RemoteException e) { 2308 Slog.w(TAG, "RemoveException when invoking call back"); 2309 } 2310 } 2311 } 2312 }); 2313 } 2314 2315 @Override 2316 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2317 mContext.enforceCallingOrSelfPermission( 2318 android.Manifest.permission.CLEAR_APP_CACHE, null); 2319 // Queue up an async operation since clearing cache may take a little while. 2320 mHandler.post(new Runnable() { 2321 public void run() { 2322 mHandler.removeCallbacks(this); 2323 int retCode = -1; 2324 synchronized (mInstallLock) { 2325 retCode = mInstaller.freeCache(freeStorageSize); 2326 if (retCode < 0) { 2327 Slog.w(TAG, "Couldn't clear application caches"); 2328 } 2329 } 2330 if(pi != null) { 2331 try { 2332 // Callback via pending intent 2333 int code = (retCode >= 0) ? 1 : 0; 2334 pi.sendIntent(null, code, null, 2335 null, null); 2336 } catch (SendIntentException e1) { 2337 Slog.i(TAG, "Failed to send pending intent"); 2338 } 2339 } 2340 } 2341 }); 2342 } 2343 2344 void freeStorage(long freeStorageSize) throws IOException { 2345 synchronized (mInstallLock) { 2346 if (mInstaller.freeCache(freeStorageSize) < 0) { 2347 throw new IOException("Failed to free enough space"); 2348 } 2349 } 2350 } 2351 2352 @Override 2353 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2354 if (!sUserManager.exists(userId)) return null; 2355 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2356 synchronized (mPackages) { 2357 PackageParser.Activity a = mActivities.mActivities.get(component); 2358 2359 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2360 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2361 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2362 if (ps == null) return null; 2363 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2364 userId); 2365 } 2366 if (mResolveComponentName.equals(component)) { 2367 return mResolveActivity; 2368 } 2369 } 2370 return null; 2371 } 2372 2373 @Override 2374 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2375 String resolvedType) { 2376 synchronized (mPackages) { 2377 PackageParser.Activity a = mActivities.mActivities.get(component); 2378 if (a == null) { 2379 return false; 2380 } 2381 for (int i=0; i<a.intents.size(); i++) { 2382 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2383 intent.getData(), intent.getCategories(), TAG) >= 0) { 2384 return true; 2385 } 2386 } 2387 return false; 2388 } 2389 } 2390 2391 @Override 2392 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2393 if (!sUserManager.exists(userId)) return null; 2394 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2395 synchronized (mPackages) { 2396 PackageParser.Activity a = mReceivers.mActivities.get(component); 2397 if (DEBUG_PACKAGE_INFO) Log.v( 2398 TAG, "getReceiverInfo " + component + ": " + a); 2399 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2400 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2401 if (ps == null) return null; 2402 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2403 userId); 2404 } 2405 } 2406 return null; 2407 } 2408 2409 @Override 2410 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2411 if (!sUserManager.exists(userId)) return null; 2412 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2413 synchronized (mPackages) { 2414 PackageParser.Service s = mServices.mServices.get(component); 2415 if (DEBUG_PACKAGE_INFO) Log.v( 2416 TAG, "getServiceInfo " + component + ": " + s); 2417 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2418 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2419 if (ps == null) return null; 2420 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2421 userId); 2422 } 2423 } 2424 return null; 2425 } 2426 2427 @Override 2428 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2429 if (!sUserManager.exists(userId)) return null; 2430 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2431 synchronized (mPackages) { 2432 PackageParser.Provider p = mProviders.mProviders.get(component); 2433 if (DEBUG_PACKAGE_INFO) Log.v( 2434 TAG, "getProviderInfo " + component + ": " + p); 2435 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2436 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2437 if (ps == null) return null; 2438 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2439 userId); 2440 } 2441 } 2442 return null; 2443 } 2444 2445 @Override 2446 public String[] getSystemSharedLibraryNames() { 2447 Set<String> libSet; 2448 synchronized (mPackages) { 2449 libSet = mSharedLibraries.keySet(); 2450 int size = libSet.size(); 2451 if (size > 0) { 2452 String[] libs = new String[size]; 2453 libSet.toArray(libs); 2454 return libs; 2455 } 2456 } 2457 return null; 2458 } 2459 2460 @Override 2461 public FeatureInfo[] getSystemAvailableFeatures() { 2462 Collection<FeatureInfo> featSet; 2463 synchronized (mPackages) { 2464 featSet = mAvailableFeatures.values(); 2465 int size = featSet.size(); 2466 if (size > 0) { 2467 FeatureInfo[] features = new FeatureInfo[size+1]; 2468 featSet.toArray(features); 2469 FeatureInfo fi = new FeatureInfo(); 2470 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2471 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2472 features[size] = fi; 2473 return features; 2474 } 2475 } 2476 return null; 2477 } 2478 2479 @Override 2480 public boolean hasSystemFeature(String name) { 2481 synchronized (mPackages) { 2482 return mAvailableFeatures.containsKey(name); 2483 } 2484 } 2485 2486 private void checkValidCaller(int uid, int userId) { 2487 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2488 return; 2489 2490 throw new SecurityException("Caller uid=" + uid 2491 + " is not privileged to communicate with user=" + userId); 2492 } 2493 2494 @Override 2495 public int checkPermission(String permName, String pkgName) { 2496 synchronized (mPackages) { 2497 PackageParser.Package p = mPackages.get(pkgName); 2498 if (p != null && p.mExtras != null) { 2499 PackageSetting ps = (PackageSetting)p.mExtras; 2500 if (ps.sharedUser != null) { 2501 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2502 return PackageManager.PERMISSION_GRANTED; 2503 } 2504 } else if (ps.grantedPermissions.contains(permName)) { 2505 return PackageManager.PERMISSION_GRANTED; 2506 } 2507 } 2508 } 2509 return PackageManager.PERMISSION_DENIED; 2510 } 2511 2512 @Override 2513 public int checkUidPermission(String permName, int uid) { 2514 synchronized (mPackages) { 2515 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2516 if (obj != null) { 2517 GrantedPermissions gp = (GrantedPermissions)obj; 2518 if (gp.grantedPermissions.contains(permName)) { 2519 return PackageManager.PERMISSION_GRANTED; 2520 } 2521 } else { 2522 HashSet<String> perms = mSystemPermissions.get(uid); 2523 if (perms != null && perms.contains(permName)) { 2524 return PackageManager.PERMISSION_GRANTED; 2525 } 2526 } 2527 } 2528 return PackageManager.PERMISSION_DENIED; 2529 } 2530 2531 /** 2532 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2533 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2534 * @param message the message to log on security exception 2535 */ 2536 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2537 String message) { 2538 if (userId < 0) { 2539 throw new IllegalArgumentException("Invalid userId " + userId); 2540 } 2541 if (userId == UserHandle.getUserId(callingUid)) return; 2542 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2543 if (requireFullPermission) { 2544 mContext.enforceCallingOrSelfPermission( 2545 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2546 } else { 2547 try { 2548 mContext.enforceCallingOrSelfPermission( 2549 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2550 } catch (SecurityException se) { 2551 mContext.enforceCallingOrSelfPermission( 2552 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2553 } 2554 } 2555 } 2556 } 2557 2558 private BasePermission findPermissionTreeLP(String permName) { 2559 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2560 if (permName.startsWith(bp.name) && 2561 permName.length() > bp.name.length() && 2562 permName.charAt(bp.name.length()) == '.') { 2563 return bp; 2564 } 2565 } 2566 return null; 2567 } 2568 2569 private BasePermission checkPermissionTreeLP(String permName) { 2570 if (permName != null) { 2571 BasePermission bp = findPermissionTreeLP(permName); 2572 if (bp != null) { 2573 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2574 return bp; 2575 } 2576 throw new SecurityException("Calling uid " 2577 + Binder.getCallingUid() 2578 + " is not allowed to add to permission tree " 2579 + bp.name + " owned by uid " + bp.uid); 2580 } 2581 } 2582 throw new SecurityException("No permission tree found for " + permName); 2583 } 2584 2585 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2586 if (s1 == null) { 2587 return s2 == null; 2588 } 2589 if (s2 == null) { 2590 return false; 2591 } 2592 if (s1.getClass() != s2.getClass()) { 2593 return false; 2594 } 2595 return s1.equals(s2); 2596 } 2597 2598 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2599 if (pi1.icon != pi2.icon) return false; 2600 if (pi1.logo != pi2.logo) return false; 2601 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2602 if (!compareStrings(pi1.name, pi2.name)) return false; 2603 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2604 // We'll take care of setting this one. 2605 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2606 // These are not currently stored in settings. 2607 //if (!compareStrings(pi1.group, pi2.group)) return false; 2608 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2609 //if (pi1.labelRes != pi2.labelRes) return false; 2610 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2611 return true; 2612 } 2613 2614 int permissionInfoFootprint(PermissionInfo info) { 2615 int size = info.name.length(); 2616 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2617 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2618 return size; 2619 } 2620 2621 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2622 int size = 0; 2623 for (BasePermission perm : mSettings.mPermissions.values()) { 2624 if (perm.uid == tree.uid) { 2625 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2626 } 2627 } 2628 return size; 2629 } 2630 2631 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2632 // We calculate the max size of permissions defined by this uid and throw 2633 // if that plus the size of 'info' would exceed our stated maximum. 2634 if (tree.uid != Process.SYSTEM_UID) { 2635 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2636 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2637 throw new SecurityException("Permission tree size cap exceeded"); 2638 } 2639 } 2640 } 2641 2642 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2643 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2644 throw new SecurityException("Label must be specified in permission"); 2645 } 2646 BasePermission tree = checkPermissionTreeLP(info.name); 2647 BasePermission bp = mSettings.mPermissions.get(info.name); 2648 boolean added = bp == null; 2649 boolean changed = true; 2650 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2651 if (added) { 2652 enforcePermissionCapLocked(info, tree); 2653 bp = new BasePermission(info.name, tree.sourcePackage, 2654 BasePermission.TYPE_DYNAMIC); 2655 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2656 throw new SecurityException( 2657 "Not allowed to modify non-dynamic permission " 2658 + info.name); 2659 } else { 2660 if (bp.protectionLevel == fixedLevel 2661 && bp.perm.owner.equals(tree.perm.owner) 2662 && bp.uid == tree.uid 2663 && comparePermissionInfos(bp.perm.info, info)) { 2664 changed = false; 2665 } 2666 } 2667 bp.protectionLevel = fixedLevel; 2668 info = new PermissionInfo(info); 2669 info.protectionLevel = fixedLevel; 2670 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2671 bp.perm.info.packageName = tree.perm.info.packageName; 2672 bp.uid = tree.uid; 2673 if (added) { 2674 mSettings.mPermissions.put(info.name, bp); 2675 } 2676 if (changed) { 2677 if (!async) { 2678 mSettings.writeLPr(); 2679 } else { 2680 scheduleWriteSettingsLocked(); 2681 } 2682 } 2683 return added; 2684 } 2685 2686 @Override 2687 public boolean addPermission(PermissionInfo info) { 2688 synchronized (mPackages) { 2689 return addPermissionLocked(info, false); 2690 } 2691 } 2692 2693 @Override 2694 public boolean addPermissionAsync(PermissionInfo info) { 2695 synchronized (mPackages) { 2696 return addPermissionLocked(info, true); 2697 } 2698 } 2699 2700 @Override 2701 public void removePermission(String name) { 2702 synchronized (mPackages) { 2703 checkPermissionTreeLP(name); 2704 BasePermission bp = mSettings.mPermissions.get(name); 2705 if (bp != null) { 2706 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2707 throw new SecurityException( 2708 "Not allowed to modify non-dynamic permission " 2709 + name); 2710 } 2711 mSettings.mPermissions.remove(name); 2712 mSettings.writeLPr(); 2713 } 2714 } 2715 } 2716 2717 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2718 int index = pkg.requestedPermissions.indexOf(bp.name); 2719 if (index == -1) { 2720 throw new SecurityException("Package " + pkg.packageName 2721 + " has not requested permission " + bp.name); 2722 } 2723 boolean isNormal = 2724 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2725 == PermissionInfo.PROTECTION_NORMAL); 2726 boolean isDangerous = 2727 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2728 == PermissionInfo.PROTECTION_DANGEROUS); 2729 boolean isDevelopment = 2730 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2731 2732 if (!isNormal && !isDangerous && !isDevelopment) { 2733 throw new SecurityException("Permission " + bp.name 2734 + " is not a changeable permission type"); 2735 } 2736 2737 if (isNormal || isDangerous) { 2738 if (pkg.requestedPermissionsRequired.get(index)) { 2739 throw new SecurityException("Can't change " + bp.name 2740 + ". It is required by the application"); 2741 } 2742 } 2743 } 2744 2745 @Override 2746 public void grantPermission(String packageName, String permissionName) { 2747 mContext.enforceCallingOrSelfPermission( 2748 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2749 synchronized (mPackages) { 2750 final PackageParser.Package pkg = mPackages.get(packageName); 2751 if (pkg == null) { 2752 throw new IllegalArgumentException("Unknown package: " + packageName); 2753 } 2754 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2755 if (bp == null) { 2756 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2757 } 2758 2759 checkGrantRevokePermissions(pkg, bp); 2760 2761 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2762 if (ps == null) { 2763 return; 2764 } 2765 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2766 if (gp.grantedPermissions.add(permissionName)) { 2767 if (ps.haveGids) { 2768 gp.gids = appendInts(gp.gids, bp.gids); 2769 } 2770 mSettings.writeLPr(); 2771 } 2772 } 2773 } 2774 2775 @Override 2776 public void revokePermission(String packageName, String permissionName) { 2777 int changedAppId = -1; 2778 2779 synchronized (mPackages) { 2780 final PackageParser.Package pkg = mPackages.get(packageName); 2781 if (pkg == null) { 2782 throw new IllegalArgumentException("Unknown package: " + packageName); 2783 } 2784 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2785 mContext.enforceCallingOrSelfPermission( 2786 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2787 } 2788 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2789 if (bp == null) { 2790 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2791 } 2792 2793 checkGrantRevokePermissions(pkg, bp); 2794 2795 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2796 if (ps == null) { 2797 return; 2798 } 2799 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2800 if (gp.grantedPermissions.remove(permissionName)) { 2801 gp.grantedPermissions.remove(permissionName); 2802 if (ps.haveGids) { 2803 gp.gids = removeInts(gp.gids, bp.gids); 2804 } 2805 mSettings.writeLPr(); 2806 changedAppId = ps.appId; 2807 } 2808 } 2809 2810 if (changedAppId >= 0) { 2811 // We changed the perm on someone, kill its processes. 2812 IActivityManager am = ActivityManagerNative.getDefault(); 2813 if (am != null) { 2814 final int callingUserId = UserHandle.getCallingUserId(); 2815 final long ident = Binder.clearCallingIdentity(); 2816 try { 2817 //XXX we should only revoke for the calling user's app permissions, 2818 // but for now we impact all users. 2819 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2820 // "revoke " + permissionName); 2821 int[] users = sUserManager.getUserIds(); 2822 for (int user : users) { 2823 am.killUid(UserHandle.getUid(user, changedAppId), 2824 "revoke " + permissionName); 2825 } 2826 } catch (RemoteException e) { 2827 } finally { 2828 Binder.restoreCallingIdentity(ident); 2829 } 2830 } 2831 } 2832 } 2833 2834 @Override 2835 public boolean isProtectedBroadcast(String actionName) { 2836 synchronized (mPackages) { 2837 return mProtectedBroadcasts.contains(actionName); 2838 } 2839 } 2840 2841 @Override 2842 public int checkSignatures(String pkg1, String pkg2) { 2843 synchronized (mPackages) { 2844 final PackageParser.Package p1 = mPackages.get(pkg1); 2845 final PackageParser.Package p2 = mPackages.get(pkg2); 2846 if (p1 == null || p1.mExtras == null 2847 || p2 == null || p2.mExtras == null) { 2848 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2849 } 2850 return compareSignatures(p1.mSignatures, p2.mSignatures); 2851 } 2852 } 2853 2854 @Override 2855 public int checkUidSignatures(int uid1, int uid2) { 2856 // Map to base uids. 2857 uid1 = UserHandle.getAppId(uid1); 2858 uid2 = UserHandle.getAppId(uid2); 2859 // reader 2860 synchronized (mPackages) { 2861 Signature[] s1; 2862 Signature[] s2; 2863 Object obj = mSettings.getUserIdLPr(uid1); 2864 if (obj != null) { 2865 if (obj instanceof SharedUserSetting) { 2866 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2867 } else if (obj instanceof PackageSetting) { 2868 s1 = ((PackageSetting)obj).signatures.mSignatures; 2869 } else { 2870 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2871 } 2872 } else { 2873 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2874 } 2875 obj = mSettings.getUserIdLPr(uid2); 2876 if (obj != null) { 2877 if (obj instanceof SharedUserSetting) { 2878 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2879 } else if (obj instanceof PackageSetting) { 2880 s2 = ((PackageSetting)obj).signatures.mSignatures; 2881 } else { 2882 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2883 } 2884 } else { 2885 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2886 } 2887 return compareSignatures(s1, s2); 2888 } 2889 } 2890 2891 /** 2892 * Compares two sets of signatures. Returns: 2893 * <br /> 2894 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2895 * <br /> 2896 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2897 * <br /> 2898 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2899 * <br /> 2900 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2901 * <br /> 2902 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2903 */ 2904 static int compareSignatures(Signature[] s1, Signature[] s2) { 2905 if (s1 == null) { 2906 return s2 == null 2907 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2908 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2909 } 2910 2911 if (s2 == null) { 2912 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2913 } 2914 2915 if (s1.length != s2.length) { 2916 return PackageManager.SIGNATURE_NO_MATCH; 2917 } 2918 2919 // Since both signature sets are of size 1, we can compare without HashSets. 2920 if (s1.length == 1) { 2921 return s1[0].equals(s2[0]) ? 2922 PackageManager.SIGNATURE_MATCH : 2923 PackageManager.SIGNATURE_NO_MATCH; 2924 } 2925 2926 HashSet<Signature> set1 = new HashSet<Signature>(); 2927 for (Signature sig : s1) { 2928 set1.add(sig); 2929 } 2930 HashSet<Signature> set2 = new HashSet<Signature>(); 2931 for (Signature sig : s2) { 2932 set2.add(sig); 2933 } 2934 // Make sure s2 contains all signatures in s1. 2935 if (set1.equals(set2)) { 2936 return PackageManager.SIGNATURE_MATCH; 2937 } 2938 return PackageManager.SIGNATURE_NO_MATCH; 2939 } 2940 2941 /** 2942 * If the database version for this type of package (internal storage or 2943 * external storage) is less than the version where package signatures 2944 * were updated, return true. 2945 */ 2946 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2947 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2948 DatabaseVersion.SIGNATURE_END_ENTITY)) 2949 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2950 DatabaseVersion.SIGNATURE_END_ENTITY)); 2951 } 2952 2953 /** 2954 * Used for backward compatibility to make sure any packages with 2955 * certificate chains get upgraded to the new style. {@code existingSigs} 2956 * will be in the old format (since they were stored on disk from before the 2957 * system upgrade) and {@code scannedSigs} will be in the newer format. 2958 */ 2959 private int compareSignaturesCompat(PackageSignatures existingSigs, 2960 PackageParser.Package scannedPkg) { 2961 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2962 return PackageManager.SIGNATURE_NO_MATCH; 2963 } 2964 2965 HashSet<Signature> existingSet = new HashSet<Signature>(); 2966 for (Signature sig : existingSigs.mSignatures) { 2967 existingSet.add(sig); 2968 } 2969 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2970 for (Signature sig : scannedPkg.mSignatures) { 2971 try { 2972 Signature[] chainSignatures = sig.getChainSignatures(); 2973 for (Signature chainSig : chainSignatures) { 2974 scannedCompatSet.add(chainSig); 2975 } 2976 } catch (CertificateEncodingException e) { 2977 scannedCompatSet.add(sig); 2978 } 2979 } 2980 /* 2981 * Make sure the expanded scanned set contains all signatures in the 2982 * existing one. 2983 */ 2984 if (scannedCompatSet.equals(existingSet)) { 2985 // Migrate the old signatures to the new scheme. 2986 existingSigs.assignSignatures(scannedPkg.mSignatures); 2987 // The new KeySets will be re-added later in the scanning process. 2988 mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName); 2989 return PackageManager.SIGNATURE_MATCH; 2990 } 2991 return PackageManager.SIGNATURE_NO_MATCH; 2992 } 2993 2994 @Override 2995 public String[] getPackagesForUid(int uid) { 2996 uid = UserHandle.getAppId(uid); 2997 // reader 2998 synchronized (mPackages) { 2999 Object obj = mSettings.getUserIdLPr(uid); 3000 if (obj instanceof SharedUserSetting) { 3001 final SharedUserSetting sus = (SharedUserSetting) obj; 3002 final int N = sus.packages.size(); 3003 final String[] res = new String[N]; 3004 final Iterator<PackageSetting> it = sus.packages.iterator(); 3005 int i = 0; 3006 while (it.hasNext()) { 3007 res[i++] = it.next().name; 3008 } 3009 return res; 3010 } else if (obj instanceof PackageSetting) { 3011 final PackageSetting ps = (PackageSetting) obj; 3012 return new String[] { ps.name }; 3013 } 3014 } 3015 return null; 3016 } 3017 3018 @Override 3019 public String getNameForUid(int uid) { 3020 // reader 3021 synchronized (mPackages) { 3022 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3023 if (obj instanceof SharedUserSetting) { 3024 final SharedUserSetting sus = (SharedUserSetting) obj; 3025 return sus.name + ":" + sus.userId; 3026 } else if (obj instanceof PackageSetting) { 3027 final PackageSetting ps = (PackageSetting) obj; 3028 return ps.name; 3029 } 3030 } 3031 return null; 3032 } 3033 3034 @Override 3035 public int getUidForSharedUser(String sharedUserName) { 3036 if(sharedUserName == null) { 3037 return -1; 3038 } 3039 // reader 3040 synchronized (mPackages) { 3041 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 3042 if (suid == null) { 3043 return -1; 3044 } 3045 return suid.userId; 3046 } 3047 } 3048 3049 @Override 3050 public int getFlagsForUid(int uid) { 3051 synchronized (mPackages) { 3052 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3053 if (obj instanceof SharedUserSetting) { 3054 final SharedUserSetting sus = (SharedUserSetting) obj; 3055 return sus.pkgFlags; 3056 } else if (obj instanceof PackageSetting) { 3057 final PackageSetting ps = (PackageSetting) obj; 3058 return ps.pkgFlags; 3059 } 3060 } 3061 return 0; 3062 } 3063 3064 @Override 3065 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3066 int flags, int userId) { 3067 if (!sUserManager.exists(userId)) return null; 3068 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 3069 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3070 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3071 } 3072 3073 @Override 3074 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3075 IntentFilter filter, int match, ComponentName activity) { 3076 final int userId = UserHandle.getCallingUserId(); 3077 if (DEBUG_PREFERRED) { 3078 Log.v(TAG, "setLastChosenActivity intent=" + intent 3079 + " resolvedType=" + resolvedType 3080 + " flags=" + flags 3081 + " filter=" + filter 3082 + " match=" + match 3083 + " activity=" + activity); 3084 filter.dump(new PrintStreamPrinter(System.out), " "); 3085 } 3086 intent.setComponent(null); 3087 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3088 // Find any earlier preferred or last chosen entries and nuke them 3089 findPreferredActivity(intent, resolvedType, 3090 flags, query, 0, false, true, false, userId); 3091 // Add the new activity as the last chosen for this filter 3092 addPreferredActivityInternal(filter, match, null, activity, false, userId); 3093 } 3094 3095 @Override 3096 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3097 final int userId = UserHandle.getCallingUserId(); 3098 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3099 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3100 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3101 false, false, false, userId); 3102 } 3103 3104 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3105 int flags, List<ResolveInfo> query, int userId) { 3106 if (query != null) { 3107 final int N = query.size(); 3108 if (N == 1) { 3109 return query.get(0); 3110 } else if (N > 1) { 3111 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3112 // If there is more than one activity with the same priority, 3113 // then let the user decide between them. 3114 ResolveInfo r0 = query.get(0); 3115 ResolveInfo r1 = query.get(1); 3116 if (DEBUG_INTENT_MATCHING || debug) { 3117 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3118 + r1.activityInfo.name + "=" + r1.priority); 3119 } 3120 // If the first activity has a higher priority, or a different 3121 // default, then it is always desireable to pick it. 3122 if (r0.priority != r1.priority 3123 || r0.preferredOrder != r1.preferredOrder 3124 || r0.isDefault != r1.isDefault) { 3125 return query.get(0); 3126 } 3127 // If we have saved a preference for a preferred activity for 3128 // this Intent, use that. 3129 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3130 flags, query, r0.priority, true, false, debug, userId); 3131 if (ri != null) { 3132 return ri; 3133 } 3134 if (userId != 0) { 3135 ri = new ResolveInfo(mResolveInfo); 3136 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3137 ri.activityInfo.applicationInfo = new ApplicationInfo( 3138 ri.activityInfo.applicationInfo); 3139 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3140 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3141 return ri; 3142 } 3143 return mResolveInfo; 3144 } 3145 } 3146 return null; 3147 } 3148 3149 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3150 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3151 final int N = query.size(); 3152 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3153 .get(userId); 3154 // Get the list of persistent preferred activities that handle the intent 3155 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3156 List<PersistentPreferredActivity> pprefs = ppir != null 3157 ? ppir.queryIntent(intent, resolvedType, 3158 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3159 : null; 3160 if (pprefs != null && pprefs.size() > 0) { 3161 final int M = pprefs.size(); 3162 for (int i=0; i<M; i++) { 3163 final PersistentPreferredActivity ppa = pprefs.get(i); 3164 if (DEBUG_PREFERRED || debug) { 3165 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3166 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3167 + "\n component=" + ppa.mComponent); 3168 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3169 } 3170 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3171 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3172 if (DEBUG_PREFERRED || debug) { 3173 Slog.v(TAG, "Found persistent preferred activity:"); 3174 if (ai != null) { 3175 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3176 } else { 3177 Slog.v(TAG, " null"); 3178 } 3179 } 3180 if (ai == null) { 3181 // This previously registered persistent preferred activity 3182 // component is no longer known. Ignore it and do NOT remove it. 3183 continue; 3184 } 3185 for (int j=0; j<N; j++) { 3186 final ResolveInfo ri = query.get(j); 3187 if (!ri.activityInfo.applicationInfo.packageName 3188 .equals(ai.applicationInfo.packageName)) { 3189 continue; 3190 } 3191 if (!ri.activityInfo.name.equals(ai.name)) { 3192 continue; 3193 } 3194 // Found a persistent preference that can handle the intent. 3195 if (DEBUG_PREFERRED || debug) { 3196 Slog.v(TAG, "Returning persistent preferred activity: " + 3197 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3198 } 3199 return ri; 3200 } 3201 } 3202 } 3203 return null; 3204 } 3205 3206 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3207 List<ResolveInfo> query, int priority, boolean always, 3208 boolean removeMatches, boolean debug, int userId) { 3209 if (!sUserManager.exists(userId)) return null; 3210 // writer 3211 synchronized (mPackages) { 3212 if (intent.getSelector() != null) { 3213 intent = intent.getSelector(); 3214 } 3215 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3216 3217 // Try to find a matching persistent preferred activity. 3218 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3219 debug, userId); 3220 3221 // If a persistent preferred activity matched, use it. 3222 if (pri != null) { 3223 return pri; 3224 } 3225 3226 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3227 // Get the list of preferred activities that handle the intent 3228 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3229 List<PreferredActivity> prefs = pir != null 3230 ? pir.queryIntent(intent, resolvedType, 3231 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3232 : null; 3233 if (prefs != null && prefs.size() > 0) { 3234 // First figure out how good the original match set is. 3235 // We will only allow preferred activities that came 3236 // from the same match quality. 3237 int match = 0; 3238 3239 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3240 3241 final int N = query.size(); 3242 for (int j=0; j<N; j++) { 3243 final ResolveInfo ri = query.get(j); 3244 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3245 + ": 0x" + Integer.toHexString(match)); 3246 if (ri.match > match) { 3247 match = ri.match; 3248 } 3249 } 3250 3251 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3252 + Integer.toHexString(match)); 3253 3254 match &= IntentFilter.MATCH_CATEGORY_MASK; 3255 final int M = prefs.size(); 3256 for (int i=0; i<M; i++) { 3257 final PreferredActivity pa = prefs.get(i); 3258 if (DEBUG_PREFERRED || debug) { 3259 Slog.v(TAG, "Checking PreferredActivity ds=" 3260 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3261 + "\n component=" + pa.mPref.mComponent); 3262 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3263 } 3264 if (pa.mPref.mMatch != match) { 3265 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3266 + Integer.toHexString(pa.mPref.mMatch)); 3267 continue; 3268 } 3269 // If it's not an "always" type preferred activity and that's what we're 3270 // looking for, skip it. 3271 if (always && !pa.mPref.mAlways) { 3272 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3273 continue; 3274 } 3275 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3276 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3277 if (DEBUG_PREFERRED || debug) { 3278 Slog.v(TAG, "Found preferred activity:"); 3279 if (ai != null) { 3280 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3281 } else { 3282 Slog.v(TAG, " null"); 3283 } 3284 } 3285 if (ai == null) { 3286 // This previously registered preferred activity 3287 // component is no longer known. Most likely an update 3288 // to the app was installed and in the new version this 3289 // component no longer exists. Clean it up by removing 3290 // it from the preferred activities list, and skip it. 3291 Slog.w(TAG, "Removing dangling preferred activity: " 3292 + pa.mPref.mComponent); 3293 pir.removeFilter(pa); 3294 continue; 3295 } 3296 for (int j=0; j<N; j++) { 3297 final ResolveInfo ri = query.get(j); 3298 if (!ri.activityInfo.applicationInfo.packageName 3299 .equals(ai.applicationInfo.packageName)) { 3300 continue; 3301 } 3302 if (!ri.activityInfo.name.equals(ai.name)) { 3303 continue; 3304 } 3305 3306 if (removeMatches) { 3307 pir.removeFilter(pa); 3308 if (DEBUG_PREFERRED) { 3309 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3310 } 3311 break; 3312 } 3313 3314 // Okay we found a previously set preferred or last chosen app. 3315 // If the result set is different from when this 3316 // was created, we need to clear it and re-ask the 3317 // user their preference, if we're looking for an "always" type entry. 3318 if (always && !pa.mPref.sameSet(query, priority)) { 3319 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3320 + intent + " type " + resolvedType); 3321 if (DEBUG_PREFERRED) { 3322 Slog.v(TAG, "Removing preferred activity since set changed " 3323 + pa.mPref.mComponent); 3324 } 3325 pir.removeFilter(pa); 3326 // Re-add the filter as a "last chosen" entry (!always) 3327 PreferredActivity lastChosen = new PreferredActivity( 3328 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3329 pir.addFilter(lastChosen); 3330 mSettings.writePackageRestrictionsLPr(userId); 3331 return null; 3332 } 3333 3334 // Yay! Either the set matched or we're looking for the last chosen 3335 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3336 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3337 mSettings.writePackageRestrictionsLPr(userId); 3338 return ri; 3339 } 3340 } 3341 } 3342 mSettings.writePackageRestrictionsLPr(userId); 3343 } 3344 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3345 return null; 3346 } 3347 3348 /* 3349 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3350 */ 3351 @Override 3352 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3353 int targetUserId) { 3354 mContext.enforceCallingOrSelfPermission( 3355 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3356 List<CrossProfileIntentFilter> matches = 3357 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3358 if (matches != null) { 3359 int size = matches.size(); 3360 for (int i = 0; i < size; i++) { 3361 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3362 } 3363 } 3364 3365 ArrayList<String> packageNames = null; 3366 SparseArray<ArrayList<String>> fromSource = 3367 mSettings.mCrossProfilePackageInfo.get(sourceUserId); 3368 if (fromSource != null) { 3369 packageNames = fromSource.get(targetUserId); 3370 } 3371 if (packageNames.contains(intent.getPackage())) { 3372 return true; 3373 } 3374 // We need the package name, so we try to resolve with the loosest flags possible 3375 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3376 intent, resolvedType, PackageManager.GET_UNINSTALLED_PACKAGES, targetUserId); 3377 int count = resolveInfos.size(); 3378 for (int i = 0; i < count; i++) { 3379 ResolveInfo resolveInfo = resolveInfos.get(i); 3380 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3381 return true; 3382 } 3383 } 3384 return false; 3385 } 3386 3387 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3388 String resolvedType, int userId) { 3389 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3390 if (resolver != null) { 3391 return resolver.queryIntent(intent, resolvedType, false, userId); 3392 } 3393 return null; 3394 } 3395 3396 @Override 3397 public List<ResolveInfo> queryIntentActivities(Intent intent, 3398 String resolvedType, int flags, int userId) { 3399 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3400 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3401 ComponentName comp = intent.getComponent(); 3402 if (comp == null) { 3403 if (intent.getSelector() != null) { 3404 intent = intent.getSelector(); 3405 comp = intent.getComponent(); 3406 } 3407 } 3408 3409 if (comp != null) { 3410 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3411 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3412 if (ai != null) { 3413 final ResolveInfo ri = new ResolveInfo(); 3414 ri.activityInfo = ai; 3415 list.add(ri); 3416 } 3417 return list; 3418 } 3419 3420 // reader 3421 synchronized (mPackages) { 3422 final String pkgName = intent.getPackage(); 3423 if (pkgName == null) { 3424 //Check if the intent needs to be forwarded to another user for this package 3425 ArrayList<ResolveInfo> crossProfileResult = 3426 queryIntentActivitiesCrossProfilePackage( 3427 intent, resolvedType, flags, userId); 3428 if (!crossProfileResult.isEmpty()) { 3429 // Skip the current profile 3430 return crossProfileResult; 3431 } 3432 List<ResolveInfo> result; 3433 List<CrossProfileIntentFilter> matchingFilters = 3434 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3435 // Check for results that need to skip the current profile. 3436 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3437 resolvedType, flags, userId); 3438 if (resolveInfo != null) { 3439 result = new ArrayList<ResolveInfo>(1); 3440 result.add(resolveInfo); 3441 return result; 3442 } 3443 // Check for results in the current profile. 3444 result = mActivities.queryIntent(intent, resolvedType, flags, userId); 3445 // Check for cross profile results. 3446 resolveInfo = queryCrossProfileIntents( 3447 matchingFilters, intent, resolvedType, flags, userId); 3448 if (resolveInfo != null) { 3449 result.add(resolveInfo); 3450 } 3451 return result; 3452 } 3453 final PackageParser.Package pkg = mPackages.get(pkgName); 3454 if (pkg != null) { 3455 ArrayList<ResolveInfo> crossProfileResult = 3456 queryIntentActivitiesCrossProfilePackage( 3457 intent, resolvedType, flags, userId, pkg, pkgName); 3458 if (!crossProfileResult.isEmpty()) { 3459 // Skip the current profile 3460 return crossProfileResult; 3461 } 3462 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3463 pkg.activities, userId); 3464 } 3465 return new ArrayList<ResolveInfo>(); 3466 } 3467 } 3468 3469 private ResolveInfo querySkipCurrentProfileIntents( 3470 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3471 int flags, int sourceUserId) { 3472 if (matchingFilters != null) { 3473 int size = matchingFilters.size(); 3474 for (int i = 0; i < size; i ++) { 3475 CrossProfileIntentFilter filter = matchingFilters.get(i); 3476 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3477 // Checking if there are activities in the target user that can handle the 3478 // intent. 3479 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3480 flags, sourceUserId); 3481 if (resolveInfo != null) { 3482 return createForwardingResolveInfo( 3483 filter, sourceUserId, filter.getTargetUserId()); 3484 } 3485 } 3486 } 3487 } 3488 return null; 3489 } 3490 3491 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3492 Intent intent, String resolvedType, int flags, int userId) { 3493 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3494 SparseArray<ArrayList<String>> sourceForwardingInfo = 3495 mSettings.mCrossProfilePackageInfo.get(userId); 3496 if (sourceForwardingInfo != null) { 3497 int NI = sourceForwardingInfo.size(); 3498 for (int i = 0; i < NI; i++) { 3499 int targetUserId = sourceForwardingInfo.keyAt(i); 3500 ArrayList<String> packageNames = sourceForwardingInfo.valueAt(i); 3501 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3502 intent, resolvedType, flags, targetUserId); 3503 int NJ = resolveInfos.size(); 3504 for (int j = 0; j < NJ; j++) { 3505 ResolveInfo resolveInfo = resolveInfos.get(j); 3506 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3507 matchingResolveInfos.add(createForwardingResolveInfo( 3508 resolveInfo.filter, userId, targetUserId)); 3509 } 3510 } 3511 } 3512 } 3513 return matchingResolveInfos; 3514 } 3515 3516 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3517 Intent intent, String resolvedType, int flags, int userId, PackageParser.Package pkg, 3518 String packageName) { 3519 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3520 SparseArray<ArrayList<String>> sourceForwardingInfo = 3521 mSettings.mCrossProfilePackageInfo.get(userId); 3522 if (sourceForwardingInfo != null) { 3523 int NI = sourceForwardingInfo.size(); 3524 for (int i = 0; i < NI; i++) { 3525 int targetUserId = sourceForwardingInfo.keyAt(i); 3526 if (sourceForwardingInfo.valueAt(i).contains(packageName)) { 3527 List<ResolveInfo> resolveInfos = mActivities.queryIntentForPackage( 3528 intent, resolvedType, flags, pkg.activities, targetUserId); 3529 int NJ = resolveInfos.size(); 3530 for (int j = 0; j < NJ; j++) { 3531 ResolveInfo resolveInfo = resolveInfos.get(j); 3532 matchingResolveInfos.add(createForwardingResolveInfo( 3533 resolveInfo.filter, userId, targetUserId)); 3534 } 3535 } 3536 } 3537 } 3538 return matchingResolveInfos; 3539 } 3540 3541 // Return matching ResolveInfo if any for skip current profile intent filters. 3542 private ResolveInfo queryCrossProfileIntents( 3543 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3544 int flags, int sourceUserId) { 3545 if (matchingFilters != null) { 3546 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3547 // match the same intent. For performance reasons, it is better not to 3548 // run queryIntent twice for the same userId 3549 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3550 int size = matchingFilters.size(); 3551 for (int i = 0; i < size; i++) { 3552 CrossProfileIntentFilter filter = matchingFilters.get(i); 3553 int targetUserId = filter.getTargetUserId(); 3554 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3555 && !alreadyTriedUserIds.get(targetUserId)) { 3556 // Checking if there are activities in the target user that can handle the 3557 // intent. 3558 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3559 flags, sourceUserId); 3560 if (resolveInfo != null) return resolveInfo; 3561 alreadyTriedUserIds.put(targetUserId, true); 3562 } 3563 } 3564 } 3565 return null; 3566 } 3567 3568 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3569 String resolvedType, int flags, int sourceUserId) { 3570 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3571 resolvedType, flags, filter.getTargetUserId()); 3572 if (resultTargetUser != null) { 3573 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3574 } 3575 return null; 3576 } 3577 3578 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3579 int sourceUserId, int targetUserId) { 3580 String className; 3581 if (targetUserId == UserHandle.USER_OWNER) { 3582 className = FORWARD_INTENT_TO_USER_OWNER; 3583 } else { 3584 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3585 } 3586 ComponentName forwardingActivityComponentName = new ComponentName( 3587 mAndroidApplication.packageName, className); 3588 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3589 sourceUserId); 3590 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3591 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3592 forwardingResolveInfo.priority = 0; 3593 forwardingResolveInfo.preferredOrder = 0; 3594 forwardingResolveInfo.match = 0; 3595 forwardingResolveInfo.isDefault = true; 3596 forwardingResolveInfo.filter = filter; 3597 return forwardingResolveInfo; 3598 } 3599 3600 @Override 3601 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3602 Intent[] specifics, String[] specificTypes, Intent intent, 3603 String resolvedType, int flags, int userId) { 3604 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3605 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3606 "query intent activity options"); 3607 final String resultsAction = intent.getAction(); 3608 3609 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3610 | PackageManager.GET_RESOLVED_FILTER, userId); 3611 3612 if (DEBUG_INTENT_MATCHING) { 3613 Log.v(TAG, "Query " + intent + ": " + results); 3614 } 3615 3616 int specificsPos = 0; 3617 int N; 3618 3619 // todo: note that the algorithm used here is O(N^2). This 3620 // isn't a problem in our current environment, but if we start running 3621 // into situations where we have more than 5 or 10 matches then this 3622 // should probably be changed to something smarter... 3623 3624 // First we go through and resolve each of the specific items 3625 // that were supplied, taking care of removing any corresponding 3626 // duplicate items in the generic resolve list. 3627 if (specifics != null) { 3628 for (int i=0; i<specifics.length; i++) { 3629 final Intent sintent = specifics[i]; 3630 if (sintent == null) { 3631 continue; 3632 } 3633 3634 if (DEBUG_INTENT_MATCHING) { 3635 Log.v(TAG, "Specific #" + i + ": " + sintent); 3636 } 3637 3638 String action = sintent.getAction(); 3639 if (resultsAction != null && resultsAction.equals(action)) { 3640 // If this action was explicitly requested, then don't 3641 // remove things that have it. 3642 action = null; 3643 } 3644 3645 ResolveInfo ri = null; 3646 ActivityInfo ai = null; 3647 3648 ComponentName comp = sintent.getComponent(); 3649 if (comp == null) { 3650 ri = resolveIntent( 3651 sintent, 3652 specificTypes != null ? specificTypes[i] : null, 3653 flags, userId); 3654 if (ri == null) { 3655 continue; 3656 } 3657 if (ri == mResolveInfo) { 3658 // ACK! Must do something better with this. 3659 } 3660 ai = ri.activityInfo; 3661 comp = new ComponentName(ai.applicationInfo.packageName, 3662 ai.name); 3663 } else { 3664 ai = getActivityInfo(comp, flags, userId); 3665 if (ai == null) { 3666 continue; 3667 } 3668 } 3669 3670 // Look for any generic query activities that are duplicates 3671 // of this specific one, and remove them from the results. 3672 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3673 N = results.size(); 3674 int j; 3675 for (j=specificsPos; j<N; j++) { 3676 ResolveInfo sri = results.get(j); 3677 if ((sri.activityInfo.name.equals(comp.getClassName()) 3678 && sri.activityInfo.applicationInfo.packageName.equals( 3679 comp.getPackageName())) 3680 || (action != null && sri.filter.matchAction(action))) { 3681 results.remove(j); 3682 if (DEBUG_INTENT_MATCHING) Log.v( 3683 TAG, "Removing duplicate item from " + j 3684 + " due to specific " + specificsPos); 3685 if (ri == null) { 3686 ri = sri; 3687 } 3688 j--; 3689 N--; 3690 } 3691 } 3692 3693 // Add this specific item to its proper place. 3694 if (ri == null) { 3695 ri = new ResolveInfo(); 3696 ri.activityInfo = ai; 3697 } 3698 results.add(specificsPos, ri); 3699 ri.specificIndex = i; 3700 specificsPos++; 3701 } 3702 } 3703 3704 // Now we go through the remaining generic results and remove any 3705 // duplicate actions that are found here. 3706 N = results.size(); 3707 for (int i=specificsPos; i<N-1; i++) { 3708 final ResolveInfo rii = results.get(i); 3709 if (rii.filter == null) { 3710 continue; 3711 } 3712 3713 // Iterate over all of the actions of this result's intent 3714 // filter... typically this should be just one. 3715 final Iterator<String> it = rii.filter.actionsIterator(); 3716 if (it == null) { 3717 continue; 3718 } 3719 while (it.hasNext()) { 3720 final String action = it.next(); 3721 if (resultsAction != null && resultsAction.equals(action)) { 3722 // If this action was explicitly requested, then don't 3723 // remove things that have it. 3724 continue; 3725 } 3726 for (int j=i+1; j<N; j++) { 3727 final ResolveInfo rij = results.get(j); 3728 if (rij.filter != null && rij.filter.hasAction(action)) { 3729 results.remove(j); 3730 if (DEBUG_INTENT_MATCHING) Log.v( 3731 TAG, "Removing duplicate item from " + j 3732 + " due to action " + action + " at " + i); 3733 j--; 3734 N--; 3735 } 3736 } 3737 } 3738 3739 // If the caller didn't request filter information, drop it now 3740 // so we don't have to marshall/unmarshall it. 3741 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3742 rii.filter = null; 3743 } 3744 } 3745 3746 // Filter out the caller activity if so requested. 3747 if (caller != null) { 3748 N = results.size(); 3749 for (int i=0; i<N; i++) { 3750 ActivityInfo ainfo = results.get(i).activityInfo; 3751 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3752 && caller.getClassName().equals(ainfo.name)) { 3753 results.remove(i); 3754 break; 3755 } 3756 } 3757 } 3758 3759 // If the caller didn't request filter information, 3760 // drop them now so we don't have to 3761 // marshall/unmarshall it. 3762 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3763 N = results.size(); 3764 for (int i=0; i<N; i++) { 3765 results.get(i).filter = null; 3766 } 3767 } 3768 3769 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3770 return results; 3771 } 3772 3773 @Override 3774 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3775 int userId) { 3776 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3777 ComponentName comp = intent.getComponent(); 3778 if (comp == null) { 3779 if (intent.getSelector() != null) { 3780 intent = intent.getSelector(); 3781 comp = intent.getComponent(); 3782 } 3783 } 3784 if (comp != null) { 3785 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3786 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3787 if (ai != null) { 3788 ResolveInfo ri = new ResolveInfo(); 3789 ri.activityInfo = ai; 3790 list.add(ri); 3791 } 3792 return list; 3793 } 3794 3795 // reader 3796 synchronized (mPackages) { 3797 String pkgName = intent.getPackage(); 3798 if (pkgName == null) { 3799 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3800 } 3801 final PackageParser.Package pkg = mPackages.get(pkgName); 3802 if (pkg != null) { 3803 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3804 userId); 3805 } 3806 return null; 3807 } 3808 } 3809 3810 @Override 3811 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3812 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3813 if (!sUserManager.exists(userId)) return null; 3814 if (query != null) { 3815 if (query.size() >= 1) { 3816 // If there is more than one service with the same priority, 3817 // just arbitrarily pick the first one. 3818 return query.get(0); 3819 } 3820 } 3821 return null; 3822 } 3823 3824 @Override 3825 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3826 int userId) { 3827 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3828 ComponentName comp = intent.getComponent(); 3829 if (comp == null) { 3830 if (intent.getSelector() != null) { 3831 intent = intent.getSelector(); 3832 comp = intent.getComponent(); 3833 } 3834 } 3835 if (comp != null) { 3836 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3837 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3838 if (si != null) { 3839 final ResolveInfo ri = new ResolveInfo(); 3840 ri.serviceInfo = si; 3841 list.add(ri); 3842 } 3843 return list; 3844 } 3845 3846 // reader 3847 synchronized (mPackages) { 3848 String pkgName = intent.getPackage(); 3849 if (pkgName == null) { 3850 return mServices.queryIntent(intent, resolvedType, flags, userId); 3851 } 3852 final PackageParser.Package pkg = mPackages.get(pkgName); 3853 if (pkg != null) { 3854 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3855 userId); 3856 } 3857 return null; 3858 } 3859 } 3860 3861 @Override 3862 public List<ResolveInfo> queryIntentContentProviders( 3863 Intent intent, String resolvedType, int flags, int userId) { 3864 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3865 ComponentName comp = intent.getComponent(); 3866 if (comp == null) { 3867 if (intent.getSelector() != null) { 3868 intent = intent.getSelector(); 3869 comp = intent.getComponent(); 3870 } 3871 } 3872 if (comp != null) { 3873 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3874 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3875 if (pi != null) { 3876 final ResolveInfo ri = new ResolveInfo(); 3877 ri.providerInfo = pi; 3878 list.add(ri); 3879 } 3880 return list; 3881 } 3882 3883 // reader 3884 synchronized (mPackages) { 3885 String pkgName = intent.getPackage(); 3886 if (pkgName == null) { 3887 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3888 } 3889 final PackageParser.Package pkg = mPackages.get(pkgName); 3890 if (pkg != null) { 3891 return mProviders.queryIntentForPackage( 3892 intent, resolvedType, flags, pkg.providers, userId); 3893 } 3894 return null; 3895 } 3896 } 3897 3898 @Override 3899 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3900 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3901 3902 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3903 3904 // writer 3905 synchronized (mPackages) { 3906 ArrayList<PackageInfo> list; 3907 if (listUninstalled) { 3908 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3909 for (PackageSetting ps : mSettings.mPackages.values()) { 3910 PackageInfo pi; 3911 if (ps.pkg != null) { 3912 pi = generatePackageInfo(ps.pkg, flags, userId); 3913 } else { 3914 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3915 } 3916 if (pi != null) { 3917 list.add(pi); 3918 } 3919 } 3920 } else { 3921 list = new ArrayList<PackageInfo>(mPackages.size()); 3922 for (PackageParser.Package p : mPackages.values()) { 3923 PackageInfo pi = generatePackageInfo(p, flags, userId); 3924 if (pi != null) { 3925 list.add(pi); 3926 } 3927 } 3928 } 3929 3930 return new ParceledListSlice<PackageInfo>(list); 3931 } 3932 } 3933 3934 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3935 String[] permissions, boolean[] tmp, int flags, int userId) { 3936 int numMatch = 0; 3937 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3938 for (int i=0; i<permissions.length; i++) { 3939 if (gp.grantedPermissions.contains(permissions[i])) { 3940 tmp[i] = true; 3941 numMatch++; 3942 } else { 3943 tmp[i] = false; 3944 } 3945 } 3946 if (numMatch == 0) { 3947 return; 3948 } 3949 PackageInfo pi; 3950 if (ps.pkg != null) { 3951 pi = generatePackageInfo(ps.pkg, flags, userId); 3952 } else { 3953 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3954 } 3955 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3956 if (numMatch == permissions.length) { 3957 pi.requestedPermissions = permissions; 3958 } else { 3959 pi.requestedPermissions = new String[numMatch]; 3960 numMatch = 0; 3961 for (int i=0; i<permissions.length; i++) { 3962 if (tmp[i]) { 3963 pi.requestedPermissions[numMatch] = permissions[i]; 3964 numMatch++; 3965 } 3966 } 3967 } 3968 } 3969 list.add(pi); 3970 } 3971 3972 @Override 3973 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3974 String[] permissions, int flags, int userId) { 3975 if (!sUserManager.exists(userId)) return null; 3976 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3977 3978 // writer 3979 synchronized (mPackages) { 3980 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3981 boolean[] tmpBools = new boolean[permissions.length]; 3982 if (listUninstalled) { 3983 for (PackageSetting ps : mSettings.mPackages.values()) { 3984 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3985 } 3986 } else { 3987 for (PackageParser.Package pkg : mPackages.values()) { 3988 PackageSetting ps = (PackageSetting)pkg.mExtras; 3989 if (ps != null) { 3990 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3991 userId); 3992 } 3993 } 3994 } 3995 3996 return new ParceledListSlice<PackageInfo>(list); 3997 } 3998 } 3999 4000 @Override 4001 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 4002 if (!sUserManager.exists(userId)) return null; 4003 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 4004 4005 // writer 4006 synchronized (mPackages) { 4007 ArrayList<ApplicationInfo> list; 4008 if (listUninstalled) { 4009 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 4010 for (PackageSetting ps : mSettings.mPackages.values()) { 4011 ApplicationInfo ai; 4012 if (ps.pkg != null) { 4013 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 4014 ps.readUserState(userId), userId); 4015 } else { 4016 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 4017 } 4018 if (ai != null) { 4019 list.add(ai); 4020 } 4021 } 4022 } else { 4023 list = new ArrayList<ApplicationInfo>(mPackages.size()); 4024 for (PackageParser.Package p : mPackages.values()) { 4025 if (p.mExtras != null) { 4026 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 4027 ((PackageSetting)p.mExtras).readUserState(userId), userId); 4028 if (ai != null) { 4029 list.add(ai); 4030 } 4031 } 4032 } 4033 } 4034 4035 return new ParceledListSlice<ApplicationInfo>(list); 4036 } 4037 } 4038 4039 public List<ApplicationInfo> getPersistentApplications(int flags) { 4040 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 4041 4042 // reader 4043 synchronized (mPackages) { 4044 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 4045 final int userId = UserHandle.getCallingUserId(); 4046 while (i.hasNext()) { 4047 final PackageParser.Package p = i.next(); 4048 if (p.applicationInfo != null 4049 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 4050 && (!mSafeMode || isSystemApp(p))) { 4051 PackageSetting ps = mSettings.mPackages.get(p.packageName); 4052 if (ps != null) { 4053 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 4054 ps.readUserState(userId), userId); 4055 if (ai != null) { 4056 finalList.add(ai); 4057 } 4058 } 4059 } 4060 } 4061 } 4062 4063 return finalList; 4064 } 4065 4066 @Override 4067 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 4068 if (!sUserManager.exists(userId)) return null; 4069 // reader 4070 synchronized (mPackages) { 4071 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 4072 PackageSetting ps = provider != null 4073 ? mSettings.mPackages.get(provider.owner.packageName) 4074 : null; 4075 return ps != null 4076 && mSettings.isEnabledLPr(provider.info, flags, userId) 4077 && (!mSafeMode || (provider.info.applicationInfo.flags 4078 &ApplicationInfo.FLAG_SYSTEM) != 0) 4079 ? PackageParser.generateProviderInfo(provider, flags, 4080 ps.readUserState(userId), userId) 4081 : null; 4082 } 4083 } 4084 4085 /** 4086 * @deprecated 4087 */ 4088 @Deprecated 4089 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 4090 // reader 4091 synchronized (mPackages) { 4092 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 4093 .entrySet().iterator(); 4094 final int userId = UserHandle.getCallingUserId(); 4095 while (i.hasNext()) { 4096 Map.Entry<String, PackageParser.Provider> entry = i.next(); 4097 PackageParser.Provider p = entry.getValue(); 4098 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4099 4100 if (ps != null && p.syncable 4101 && (!mSafeMode || (p.info.applicationInfo.flags 4102 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 4103 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 4104 ps.readUserState(userId), userId); 4105 if (info != null) { 4106 outNames.add(entry.getKey()); 4107 outInfo.add(info); 4108 } 4109 } 4110 } 4111 } 4112 } 4113 4114 @Override 4115 public List<ProviderInfo> queryContentProviders(String processName, 4116 int uid, int flags) { 4117 ArrayList<ProviderInfo> finalList = null; 4118 // reader 4119 synchronized (mPackages) { 4120 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4121 final int userId = processName != null ? 4122 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4123 while (i.hasNext()) { 4124 final PackageParser.Provider p = i.next(); 4125 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4126 if (ps != null && p.info.authority != null 4127 && (processName == null 4128 || (p.info.processName.equals(processName) 4129 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4130 && mSettings.isEnabledLPr(p.info, flags, userId) 4131 && (!mSafeMode 4132 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4133 if (finalList == null) { 4134 finalList = new ArrayList<ProviderInfo>(3); 4135 } 4136 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4137 ps.readUserState(userId), userId); 4138 if (info != null) { 4139 finalList.add(info); 4140 } 4141 } 4142 } 4143 } 4144 4145 if (finalList != null) { 4146 Collections.sort(finalList, mProviderInitOrderSorter); 4147 } 4148 4149 return finalList; 4150 } 4151 4152 @Override 4153 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4154 int flags) { 4155 // reader 4156 synchronized (mPackages) { 4157 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4158 return PackageParser.generateInstrumentationInfo(i, flags); 4159 } 4160 } 4161 4162 @Override 4163 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4164 int flags) { 4165 ArrayList<InstrumentationInfo> finalList = 4166 new ArrayList<InstrumentationInfo>(); 4167 4168 // reader 4169 synchronized (mPackages) { 4170 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4171 while (i.hasNext()) { 4172 final PackageParser.Instrumentation p = i.next(); 4173 if (targetPackage == null 4174 || targetPackage.equals(p.info.targetPackage)) { 4175 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4176 flags); 4177 if (ii != null) { 4178 finalList.add(ii); 4179 } 4180 } 4181 } 4182 } 4183 4184 return finalList; 4185 } 4186 4187 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4188 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4189 if (overlays == null) { 4190 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4191 return; 4192 } 4193 for (PackageParser.Package opkg : overlays.values()) { 4194 // Not much to do if idmap fails: we already logged the error 4195 // and we certainly don't want to abort installation of pkg simply 4196 // because an overlay didn't fit properly. For these reasons, 4197 // ignore the return value of createIdmapForPackagePairLI. 4198 createIdmapForPackagePairLI(pkg, opkg); 4199 } 4200 } 4201 4202 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4203 PackageParser.Package opkg) { 4204 if (!opkg.mTrustedOverlay) { 4205 Slog.w(TAG, "Skipping target and overlay pair " + pkg.codePath + " and " + 4206 opkg.codePath + ": overlay not trusted"); 4207 return false; 4208 } 4209 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4210 if (overlaySet == null) { 4211 Slog.e(TAG, "was about to create idmap for " + pkg.codePath + " and " + 4212 opkg.codePath + " but target package has no known overlays"); 4213 return false; 4214 } 4215 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4216 // TODO: generate idmap for split APKs 4217 if (mInstaller.idmap(pkg.codePath, opkg.codePath, sharedGid) != 0) { 4218 Slog.e(TAG, "Failed to generate idmap for " + pkg.codePath + " and " + opkg.codePath); 4219 return false; 4220 } 4221 PackageParser.Package[] overlayArray = 4222 overlaySet.values().toArray(new PackageParser.Package[0]); 4223 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4224 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4225 return p1.mOverlayPriority - p2.mOverlayPriority; 4226 } 4227 }; 4228 Arrays.sort(overlayArray, cmp); 4229 4230 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4231 int i = 0; 4232 for (PackageParser.Package p : overlayArray) { 4233 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 4234 } 4235 return true; 4236 } 4237 4238 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4239 String[] files = dir.list(); 4240 if (files == null) { 4241 Log.d(TAG, "No files in app dir " + dir); 4242 return; 4243 } 4244 4245 if (DEBUG_PACKAGE_SCANNING) { 4246 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4247 + " flags=0x" + Integer.toHexString(flags)); 4248 } 4249 4250 int i; 4251 for (i=0; i<files.length; i++) { 4252 File file = new File(dir, files[i]); 4253 if (!isPackageFilename(files[i])) { 4254 // Ignore entries which are not apk's 4255 continue; 4256 } 4257 PackageParser.Package pkg = scanPackageLI(file, 4258 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null, null); 4259 // Don't mess around with apps in system partition. 4260 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4261 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 4262 // Delete the apk 4263 Slog.w(TAG, "Cleaning up failed install of " + file); 4264 file.delete(); 4265 } 4266 } 4267 } 4268 4269 private static File getSettingsProblemFile() { 4270 File dataDir = Environment.getDataDirectory(); 4271 File systemDir = new File(dataDir, "system"); 4272 File fname = new File(systemDir, "uiderrors.txt"); 4273 return fname; 4274 } 4275 4276 static void reportSettingsProblem(int priority, String msg) { 4277 try { 4278 File fname = getSettingsProblemFile(); 4279 FileOutputStream out = new FileOutputStream(fname, true); 4280 PrintWriter pw = new FastPrintWriter(out); 4281 SimpleDateFormat formatter = new SimpleDateFormat(); 4282 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4283 pw.println(dateString + ": " + msg); 4284 pw.close(); 4285 FileUtils.setPermissions( 4286 fname.toString(), 4287 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4288 -1, -1); 4289 } catch (java.io.IOException e) { 4290 } 4291 Slog.println(priority, TAG, msg); 4292 } 4293 4294 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 4295 PackageParser.Package pkg, File srcFile, int parseFlags) { 4296 if (ps != null 4297 && ps.codePath.equals(srcFile) 4298 && ps.timeStamp == srcFile.lastModified() 4299 && !isCompatSignatureUpdateNeeded(pkg)) { 4300 if (ps.signatures.mSignatures != null 4301 && ps.signatures.mSignatures.length != 0) { 4302 // Optimization: reuse the existing cached certificates 4303 // if the package appears to be unchanged. 4304 pkg.mSignatures = ps.signatures.mSignatures; 4305 return true; 4306 } 4307 4308 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4309 } else { 4310 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4311 } 4312 4313 try { 4314 pp.collectCertificates(pkg, parseFlags); 4315 pp.collectManifestDigest(pkg); 4316 } catch (PackageParserException e) { 4317 mLastScanError = e.error; 4318 return false; 4319 } 4320 return true; 4321 } 4322 4323 /* 4324 * Scan a package and return the newly parsed package. 4325 * Returns null in case of errors and the error code is stored in mLastScanError 4326 */ 4327 private PackageParser.Package scanPackageLI(File scanFile, 4328 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4329 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4330 String scanPath = scanFile.getPath(); 4331 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4332 parseFlags |= mDefParseFlags; 4333 PackageParser pp = new PackageParser(); 4334 pp.setSeparateProcesses(mSeparateProcesses); 4335 pp.setOnlyCoreApps(mOnlyCore); 4336 pp.setDisplayMetrics(mMetrics); 4337 4338 if ((scanMode & SCAN_TRUSTED_OVERLAY) != 0) { 4339 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4340 } 4341 4342 final PackageParser.Package pkg; 4343 try { 4344 pkg = pp.parseMonolithicPackage(scanFile, parseFlags); 4345 } catch (PackageParserException e) { 4346 mLastScanError = e.error; 4347 return null; 4348 } 4349 4350 PackageSetting ps = null; 4351 PackageSetting updatedPkg; 4352 // reader 4353 synchronized (mPackages) { 4354 // Look to see if we already know about this package. 4355 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4356 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4357 // This package has been renamed to its original name. Let's 4358 // use that. 4359 ps = mSettings.peekPackageLPr(oldName); 4360 } 4361 // If there was no original package, see one for the real package name. 4362 if (ps == null) { 4363 ps = mSettings.peekPackageLPr(pkg.packageName); 4364 } 4365 // Check to see if this package could be hiding/updating a system 4366 // package. Must look for it either under the original or real 4367 // package name depending on our state. 4368 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4369 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4370 } 4371 boolean updatedPkgBetter = false; 4372 // First check if this is a system package that may involve an update 4373 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4374 if (ps != null && !ps.codePath.equals(scanFile)) { 4375 // The path has changed from what was last scanned... check the 4376 // version of the new path against what we have stored to determine 4377 // what to do. 4378 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4379 if (pkg.mVersionCode < ps.versionCode) { 4380 // The system package has been updated and the code path does not match 4381 // Ignore entry. Skip it. 4382 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4383 + " ignored: updated version " + ps.versionCode 4384 + " better than this " + pkg.mVersionCode); 4385 if (!updatedPkg.codePath.equals(scanFile)) { 4386 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4387 + ps.name + " changing from " + updatedPkg.codePathString 4388 + " to " + scanFile); 4389 updatedPkg.codePath = scanFile; 4390 updatedPkg.codePathString = scanFile.toString(); 4391 // This is the point at which we know that the system-disk APK 4392 // for this package has moved during a reboot (e.g. due to an OTA), 4393 // so we need to reevaluate it for privilege policy. 4394 if (locationIsPrivileged(scanFile)) { 4395 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4396 } 4397 } 4398 updatedPkg.pkg = pkg; 4399 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4400 return null; 4401 } else { 4402 // The current app on the system partition is better than 4403 // what we have updated to on the data partition; switch 4404 // back to the system partition version. 4405 // At this point, its safely assumed that package installation for 4406 // apps in system partition will go through. If not there won't be a working 4407 // version of the app 4408 // writer 4409 synchronized (mPackages) { 4410 // Just remove the loaded entries from package lists. 4411 mPackages.remove(ps.name); 4412 } 4413 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4414 + "reverting from " + ps.codePathString 4415 + ": new version " + pkg.mVersionCode 4416 + " better than installed " + ps.versionCode); 4417 4418 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4419 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4420 getAppInstructionSetFromSettings(ps)); 4421 synchronized (mInstallLock) { 4422 args.cleanUpResourcesLI(); 4423 } 4424 synchronized (mPackages) { 4425 mSettings.enableSystemPackageLPw(ps.name); 4426 } 4427 updatedPkgBetter = true; 4428 } 4429 } 4430 } 4431 4432 if (updatedPkg != null) { 4433 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4434 // initially 4435 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4436 4437 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4438 // flag set initially 4439 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4440 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4441 } 4442 } 4443 // Verify certificates against what was last scanned 4444 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4445 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4446 return null; 4447 } 4448 4449 /* 4450 * A new system app appeared, but we already had a non-system one of the 4451 * same name installed earlier. 4452 */ 4453 boolean shouldHideSystemApp = false; 4454 if (updatedPkg == null && ps != null 4455 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4456 /* 4457 * Check to make sure the signatures match first. If they don't, 4458 * wipe the installed application and its data. 4459 */ 4460 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4461 != PackageManager.SIGNATURE_MATCH) { 4462 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4463 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4464 ps = null; 4465 } else { 4466 /* 4467 * If the newly-added system app is an older version than the 4468 * already installed version, hide it. It will be scanned later 4469 * and re-added like an update. 4470 */ 4471 if (pkg.mVersionCode < ps.versionCode) { 4472 shouldHideSystemApp = true; 4473 } else { 4474 /* 4475 * The newly found system app is a newer version that the 4476 * one previously installed. Simply remove the 4477 * already-installed application and replace it with our own 4478 * while keeping the application data. 4479 */ 4480 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4481 + ps.codePathString + ": new version " + pkg.mVersionCode 4482 + " better than installed " + ps.versionCode); 4483 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4484 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4485 getAppInstructionSetFromSettings(ps)); 4486 synchronized (mInstallLock) { 4487 args.cleanUpResourcesLI(); 4488 } 4489 } 4490 } 4491 } 4492 4493 // The apk is forward locked (not public) if its code and resources 4494 // are kept in different files. (except for app in either system or 4495 // vendor path). 4496 // TODO grab this value from PackageSettings 4497 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4498 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4499 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4500 } 4501 } 4502 4503 final String codePath = pkg.codePath; 4504 final String[] splitCodePaths = pkg.splitCodePaths; 4505 4506 String resPath = null; 4507 String[] splitResPaths = null; 4508 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4509 if (ps != null && ps.resourcePathString != null) { 4510 resPath = ps.resourcePathString; 4511 splitResPaths = deriveSplitResPaths(pkg.splitCodePaths); 4512 } else { 4513 // Should not happen at all. Just log an error. 4514 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4515 } 4516 } else { 4517 resPath = pkg.codePath; 4518 splitResPaths = pkg.splitCodePaths; 4519 } 4520 4521 // Set application objects path explicitly. 4522 pkg.applicationInfo.sourceDir = codePath; 4523 pkg.applicationInfo.publicSourceDir = resPath; 4524 pkg.applicationInfo.splitSourceDirs = splitCodePaths; 4525 pkg.applicationInfo.splitPublicSourceDirs = splitResPaths; 4526 4527 // Note that we invoke the following method only if we are about to unpack an application 4528 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4529 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4530 4531 /* 4532 * If the system app should be overridden by a previously installed 4533 * data, hide the system app now and let the /data/app scan pick it up 4534 * again. 4535 */ 4536 if (shouldHideSystemApp) { 4537 synchronized (mPackages) { 4538 /* 4539 * We have to grant systems permissions before we hide, because 4540 * grantPermissions will assume the package update is trying to 4541 * expand its permissions. 4542 */ 4543 grantPermissionsLPw(pkg, true); 4544 mSettings.disableSystemPackageLPw(pkg.packageName); 4545 } 4546 } 4547 4548 return scannedPkg; 4549 } 4550 4551 private static String fixProcessName(String defProcessName, 4552 String processName, int uid) { 4553 if (processName == null) { 4554 return defProcessName; 4555 } 4556 return processName; 4557 } 4558 4559 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4560 if (pkgSetting.signatures.mSignatures != null) { 4561 // Already existing package. Make sure signatures match 4562 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4563 == PackageManager.SIGNATURE_MATCH; 4564 if (!match) { 4565 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4566 == PackageManager.SIGNATURE_MATCH; 4567 } 4568 if (!match) { 4569 Slog.e(TAG, "Package " + pkg.packageName 4570 + " signatures do not match the previously installed version; ignoring!"); 4571 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4572 return false; 4573 } 4574 } 4575 // Check for shared user signatures 4576 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4577 // Already existing package. Make sure signatures match 4578 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4579 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4580 if (!match) { 4581 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4582 == PackageManager.SIGNATURE_MATCH; 4583 } 4584 if (!match) { 4585 Slog.e(TAG, "Package " + pkg.packageName 4586 + " has no signatures that match those in shared user " 4587 + pkgSetting.sharedUser.name + "; ignoring!"); 4588 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4589 return false; 4590 } 4591 } 4592 return true; 4593 } 4594 4595 /** 4596 * Enforces that only the system UID or root's UID can call a method exposed 4597 * via Binder. 4598 * 4599 * @param message used as message if SecurityException is thrown 4600 * @throws SecurityException if the caller is not system or root 4601 */ 4602 private static final void enforceSystemOrRoot(String message) { 4603 final int uid = Binder.getCallingUid(); 4604 if (uid != Process.SYSTEM_UID && uid != 0) { 4605 throw new SecurityException(message); 4606 } 4607 } 4608 4609 @Override 4610 public void performBootDexOpt() { 4611 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4612 4613 final HashSet<PackageParser.Package> pkgs; 4614 synchronized (mPackages) { 4615 pkgs = mDeferredDexOpt; 4616 mDeferredDexOpt = null; 4617 } 4618 4619 if (pkgs != null) { 4620 // Filter out packages that aren't recently used. 4621 // 4622 // The exception is first boot of a non-eng device, which 4623 // should do a full dexopt. 4624 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4625 if (eng || !isFirstBoot()) { 4626 // TODO: add a property to control this? 4627 long dexOptLRUThresholdInMinutes; 4628 if (eng) { 4629 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4630 } else { 4631 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4632 } 4633 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4634 4635 int total = pkgs.size(); 4636 int skipped = 0; 4637 long now = System.currentTimeMillis(); 4638 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4639 PackageParser.Package pkg = i.next(); 4640 long then = pkg.mLastPackageUsageTimeInMills; 4641 if (then + dexOptLRUThresholdInMills < now) { 4642 if (DEBUG_DEXOPT) { 4643 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4644 ((then == 0) ? "never" : new Date(then))); 4645 } 4646 i.remove(); 4647 skipped++; 4648 } 4649 } 4650 if (DEBUG_DEXOPT) { 4651 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4652 } 4653 } 4654 4655 int i = 0; 4656 for (PackageParser.Package pkg : pkgs) { 4657 i++; 4658 if (DEBUG_DEXOPT) { 4659 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4660 + ": " + pkg.packageName); 4661 } 4662 if (!isFirstBoot()) { 4663 try { 4664 ActivityManagerNative.getDefault().showBootMessage( 4665 mContext.getResources().getString( 4666 R.string.android_upgrading_apk, 4667 i, pkgs.size()), true); 4668 } catch (RemoteException e) { 4669 } 4670 } 4671 PackageParser.Package p = pkg; 4672 synchronized (mInstallLock) { 4673 if (p.mDexOptNeeded) { 4674 performDexOptLI(p, false /* force dex */, false /* defer */, 4675 true /* include dependencies */); 4676 } 4677 } 4678 } 4679 } 4680 } 4681 4682 @Override 4683 public boolean performDexOpt(String packageName) { 4684 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4685 return performDexOpt(packageName, true); 4686 } 4687 4688 public boolean performDexOpt(String packageName, boolean updateUsage) { 4689 4690 PackageParser.Package p; 4691 synchronized (mPackages) { 4692 p = mPackages.get(packageName); 4693 if (p == null) { 4694 return false; 4695 } 4696 if (updateUsage) { 4697 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4698 } 4699 mPackageUsage.write(false); 4700 if (!p.mDexOptNeeded) { 4701 return false; 4702 } 4703 } 4704 4705 synchronized (mInstallLock) { 4706 return performDexOptLI(p, false /* force dex */, false /* defer */, 4707 true /* include dependencies */) == DEX_OPT_PERFORMED; 4708 } 4709 } 4710 4711 public HashSet<String> getPackagesThatNeedDexOpt() { 4712 HashSet<String> pkgs = null; 4713 synchronized (mPackages) { 4714 for (PackageParser.Package p : mPackages.values()) { 4715 if (DEBUG_DEXOPT) { 4716 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4717 } 4718 if (!p.mDexOptNeeded) { 4719 continue; 4720 } 4721 if (pkgs == null) { 4722 pkgs = new HashSet<String>(); 4723 } 4724 pkgs.add(p.packageName); 4725 } 4726 } 4727 return pkgs; 4728 } 4729 4730 public void shutdown() { 4731 mPackageUsage.write(true); 4732 } 4733 4734 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4735 boolean forceDex, boolean defer, HashSet<String> done) { 4736 for (int i=0; i<libs.size(); i++) { 4737 PackageParser.Package libPkg; 4738 String libName; 4739 synchronized (mPackages) { 4740 libName = libs.get(i); 4741 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4742 if (lib != null && lib.apk != null) { 4743 libPkg = mPackages.get(lib.apk); 4744 } else { 4745 libPkg = null; 4746 } 4747 } 4748 if (libPkg != null && !done.contains(libName)) { 4749 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4750 } 4751 } 4752 } 4753 4754 static final int DEX_OPT_SKIPPED = 0; 4755 static final int DEX_OPT_PERFORMED = 1; 4756 static final int DEX_OPT_DEFERRED = 2; 4757 static final int DEX_OPT_FAILED = -1; 4758 4759 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4760 boolean forceDex, boolean defer, HashSet<String> done) { 4761 final String instructionSet = instructionSetOverride != null ? 4762 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4763 4764 if (done != null) { 4765 done.add(pkg.packageName); 4766 if (pkg.usesLibraries != null) { 4767 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4768 } 4769 if (pkg.usesOptionalLibraries != null) { 4770 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4771 } 4772 } 4773 4774 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0) { 4775 final Collection<String> paths = pkg.getAllCodePaths(); 4776 for (String path : paths) { 4777 try { 4778 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4779 pkg.packageName, instructionSet, defer); 4780 // There are three basic cases here: 4781 // 1.) we need to dexopt, either because we are forced or it is needed 4782 // 2.) we are defering a needed dexopt 4783 // 3.) we are skipping an unneeded dexopt 4784 if (forceDex || (!defer && isDexOptNeededInternal)) { 4785 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4786 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4787 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4788 pkg.packageName, instructionSet); 4789 // Note that we ran dexopt, since rerunning will 4790 // probably just result in an error again. 4791 pkg.mDexOptNeeded = false; 4792 if (ret < 0) { 4793 return DEX_OPT_FAILED; 4794 } 4795 return DEX_OPT_PERFORMED; 4796 } 4797 if (defer && isDexOptNeededInternal) { 4798 if (mDeferredDexOpt == null) { 4799 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4800 } 4801 mDeferredDexOpt.add(pkg); 4802 return DEX_OPT_DEFERRED; 4803 } 4804 pkg.mDexOptNeeded = false; 4805 return DEX_OPT_SKIPPED; 4806 } catch (FileNotFoundException e) { 4807 Slog.w(TAG, "Apk not found for dexopt: " + path); 4808 return DEX_OPT_FAILED; 4809 } catch (IOException e) { 4810 Slog.w(TAG, "IOException reading apk: " + path, e); 4811 return DEX_OPT_FAILED; 4812 } catch (StaleDexCacheError e) { 4813 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4814 return DEX_OPT_FAILED; 4815 } catch (Exception e) { 4816 Slog.w(TAG, "Exception when doing dexopt : ", e); 4817 return DEX_OPT_FAILED; 4818 } 4819 } 4820 } 4821 return DEX_OPT_SKIPPED; 4822 } 4823 4824 private String getAppInstructionSet(ApplicationInfo info) { 4825 String instructionSet = getPreferredInstructionSet(); 4826 4827 if (info.cpuAbi != null) { 4828 instructionSet = VMRuntime.getInstructionSet(info.cpuAbi); 4829 } 4830 4831 return instructionSet; 4832 } 4833 4834 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4835 String instructionSet = getPreferredInstructionSet(); 4836 4837 if (ps.cpuAbiString != null) { 4838 instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 4839 } 4840 4841 return instructionSet; 4842 } 4843 4844 private static String getPreferredInstructionSet() { 4845 if (sPreferredInstructionSet == null) { 4846 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4847 } 4848 4849 return sPreferredInstructionSet; 4850 } 4851 4852 private static List<String> getAllInstructionSets() { 4853 final String[] allAbis = Build.SUPPORTED_ABIS; 4854 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4855 4856 for (String abi : allAbis) { 4857 final String instructionSet = VMRuntime.getInstructionSet(abi); 4858 if (!allInstructionSets.contains(instructionSet)) { 4859 allInstructionSets.add(instructionSet); 4860 } 4861 } 4862 4863 return allInstructionSets; 4864 } 4865 4866 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4867 boolean inclDependencies) { 4868 HashSet<String> done; 4869 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4870 done = new HashSet<String>(); 4871 done.add(pkg.packageName); 4872 } else { 4873 done = null; 4874 } 4875 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4876 } 4877 4878 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4879 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4880 Slog.w(TAG, "Unable to update from " + oldPkg.name 4881 + " to " + newPkg.packageName 4882 + ": old package not in system partition"); 4883 return false; 4884 } else if (mPackages.get(oldPkg.name) != null) { 4885 Slog.w(TAG, "Unable to update from " + oldPkg.name 4886 + " to " + newPkg.packageName 4887 + ": old package still exists"); 4888 return false; 4889 } 4890 return true; 4891 } 4892 4893 File getDataPathForUser(int userId) { 4894 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4895 } 4896 4897 private File getDataPathForPackage(String packageName, int userId) { 4898 /* 4899 * Until we fully support multiple users, return the directory we 4900 * previously would have. The PackageManagerTests will need to be 4901 * revised when this is changed back.. 4902 */ 4903 if (userId == 0) { 4904 return new File(mAppDataDir, packageName); 4905 } else { 4906 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4907 + File.separator + packageName); 4908 } 4909 } 4910 4911 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4912 int[] users = sUserManager.getUserIds(); 4913 int res = mInstaller.install(packageName, uid, uid, seinfo); 4914 if (res < 0) { 4915 return res; 4916 } 4917 for (int user : users) { 4918 if (user != 0) { 4919 res = mInstaller.createUserData(packageName, 4920 UserHandle.getUid(user, uid), user, seinfo); 4921 if (res < 0) { 4922 return res; 4923 } 4924 } 4925 } 4926 return res; 4927 } 4928 4929 private int removeDataDirsLI(String packageName) { 4930 int[] users = sUserManager.getUserIds(); 4931 int res = 0; 4932 for (int user : users) { 4933 int resInner = mInstaller.remove(packageName, user); 4934 if (resInner < 0) { 4935 res = resInner; 4936 } 4937 } 4938 4939 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4940 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4941 if (!nativeLibraryFile.delete()) { 4942 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4943 } 4944 4945 return res; 4946 } 4947 4948 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4949 PackageParser.Package changingLib) { 4950 if (file.path != null) { 4951 usesLibraryFiles.add(file.path); 4952 return; 4953 } 4954 PackageParser.Package p = mPackages.get(file.apk); 4955 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4956 // If we are doing this while in the middle of updating a library apk, 4957 // then we need to make sure to use that new apk for determining the 4958 // dependencies here. (We haven't yet finished committing the new apk 4959 // to the package manager state.) 4960 if (p == null || p.packageName.equals(changingLib.packageName)) { 4961 p = changingLib; 4962 } 4963 } 4964 if (p != null) { 4965 usesLibraryFiles.addAll(p.getAllCodePaths()); 4966 } 4967 } 4968 4969 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4970 PackageParser.Package changingLib) { 4971 // We might be upgrading from a version of the platform that did not 4972 // provide per-package native library directories for system apps. 4973 // Fix that up here. 4974 if (isSystemApp(pkg)) { 4975 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4976 setInternalAppNativeLibraryPath(pkg, ps); 4977 } 4978 4979 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4980 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4981 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4982 for (int i=0; i<N; i++) { 4983 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4984 if (file == null) { 4985 Slog.e(TAG, "Package " + pkg.packageName 4986 + " requires unavailable shared library " 4987 + pkg.usesLibraries.get(i) + "; failing!"); 4988 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4989 return false; 4990 } 4991 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4992 } 4993 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4994 for (int i=0; i<N; i++) { 4995 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4996 if (file == null) { 4997 Slog.w(TAG, "Package " + pkg.packageName 4998 + " desires unavailable shared library " 4999 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5000 } else { 5001 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5002 } 5003 } 5004 N = usesLibraryFiles.size(); 5005 if (N > 0) { 5006 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5007 } else { 5008 pkg.usesLibraryFiles = null; 5009 } 5010 } 5011 return true; 5012 } 5013 5014 private static boolean hasString(List<String> list, List<String> which) { 5015 if (list == null) { 5016 return false; 5017 } 5018 for (int i=list.size()-1; i>=0; i--) { 5019 for (int j=which.size()-1; j>=0; j--) { 5020 if (which.get(j).equals(list.get(i))) { 5021 return true; 5022 } 5023 } 5024 } 5025 return false; 5026 } 5027 5028 private void updateAllSharedLibrariesLPw() { 5029 for (PackageParser.Package pkg : mPackages.values()) { 5030 updateSharedLibrariesLPw(pkg, null); 5031 } 5032 } 5033 5034 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5035 PackageParser.Package changingPkg) { 5036 ArrayList<PackageParser.Package> res = null; 5037 for (PackageParser.Package pkg : mPackages.values()) { 5038 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5039 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5040 if (res == null) { 5041 res = new ArrayList<PackageParser.Package>(); 5042 } 5043 res.add(pkg); 5044 updateSharedLibrariesLPw(pkg, changingPkg); 5045 } 5046 } 5047 return res; 5048 } 5049 5050 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 5051 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 5052 final File scanFile = new File(pkg.codePath); 5053 if (pkg.applicationInfo.sourceDir == null || 5054 pkg.applicationInfo.publicSourceDir == null) { 5055 // Bail out. The resource and code paths haven't been set. 5056 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 5057 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 5058 return null; 5059 } 5060 5061 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5062 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5063 } 5064 5065 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5066 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5067 } 5068 5069 if (mCustomResolverComponentName != null && 5070 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5071 setUpCustomResolverActivity(pkg); 5072 } 5073 5074 if (pkg.packageName.equals("android")) { 5075 synchronized (mPackages) { 5076 if (mAndroidApplication != null) { 5077 Slog.w(TAG, "*************************************************"); 5078 Slog.w(TAG, "Core android package being redefined. Skipping."); 5079 Slog.w(TAG, " file=" + scanFile); 5080 Slog.w(TAG, "*************************************************"); 5081 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 5082 return null; 5083 } 5084 5085 // Set up information for our fall-back user intent resolution activity. 5086 mPlatformPackage = pkg; 5087 pkg.mVersionCode = mSdkVersion; 5088 mAndroidApplication = pkg.applicationInfo; 5089 5090 if (!mResolverReplaced) { 5091 mResolveActivity.applicationInfo = mAndroidApplication; 5092 mResolveActivity.name = ResolverActivity.class.getName(); 5093 mResolveActivity.packageName = mAndroidApplication.packageName; 5094 mResolveActivity.processName = "system:ui"; 5095 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5096 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5097 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5098 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5099 mResolveActivity.exported = true; 5100 mResolveActivity.enabled = true; 5101 mResolveInfo.activityInfo = mResolveActivity; 5102 mResolveInfo.priority = 0; 5103 mResolveInfo.preferredOrder = 0; 5104 mResolveInfo.match = 0; 5105 mResolveComponentName = new ComponentName( 5106 mAndroidApplication.packageName, mResolveActivity.name); 5107 } 5108 } 5109 } 5110 5111 if (DEBUG_PACKAGE_SCANNING) { 5112 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5113 Log.d(TAG, "Scanning package " + pkg.packageName); 5114 } 5115 5116 if (mPackages.containsKey(pkg.packageName) 5117 || mSharedLibraries.containsKey(pkg.packageName)) { 5118 Slog.w(TAG, "Application package " + pkg.packageName 5119 + " already installed. Skipping duplicate."); 5120 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 5121 return null; 5122 } 5123 5124 // Initialize package source and resource directories 5125 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 5126 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 5127 5128 SharedUserSetting suid = null; 5129 PackageSetting pkgSetting = null; 5130 5131 if (!isSystemApp(pkg)) { 5132 // Only system apps can use these features. 5133 pkg.mOriginalPackages = null; 5134 pkg.mRealPackage = null; 5135 pkg.mAdoptPermissions = null; 5136 } 5137 5138 // writer 5139 synchronized (mPackages) { 5140 if (pkg.mSharedUserId != null) { 5141 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5142 if (suid == null) { 5143 Slog.w(TAG, "Creating application package " + pkg.packageName 5144 + " for shared user failed"); 5145 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5146 return null; 5147 } 5148 if (DEBUG_PACKAGE_SCANNING) { 5149 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5150 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5151 + "): packages=" + suid.packages); 5152 } 5153 } 5154 5155 // Check if we are renaming from an original package name. 5156 PackageSetting origPackage = null; 5157 String realName = null; 5158 if (pkg.mOriginalPackages != null) { 5159 // This package may need to be renamed to a previously 5160 // installed name. Let's check on that... 5161 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5162 if (pkg.mOriginalPackages.contains(renamed)) { 5163 // This package had originally been installed as the 5164 // original name, and we have already taken care of 5165 // transitioning to the new one. Just update the new 5166 // one to continue using the old name. 5167 realName = pkg.mRealPackage; 5168 if (!pkg.packageName.equals(renamed)) { 5169 // Callers into this function may have already taken 5170 // care of renaming the package; only do it here if 5171 // it is not already done. 5172 pkg.setPackageName(renamed); 5173 } 5174 5175 } else { 5176 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5177 if ((origPackage = mSettings.peekPackageLPr( 5178 pkg.mOriginalPackages.get(i))) != null) { 5179 // We do have the package already installed under its 5180 // original name... should we use it? 5181 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5182 // New package is not compatible with original. 5183 origPackage = null; 5184 continue; 5185 } else if (origPackage.sharedUser != null) { 5186 // Make sure uid is compatible between packages. 5187 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5188 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5189 + " to " + pkg.packageName + ": old uid " 5190 + origPackage.sharedUser.name 5191 + " differs from " + pkg.mSharedUserId); 5192 origPackage = null; 5193 continue; 5194 } 5195 } else { 5196 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5197 + pkg.packageName + " to old name " + origPackage.name); 5198 } 5199 break; 5200 } 5201 } 5202 } 5203 } 5204 5205 if (mTransferedPackages.contains(pkg.packageName)) { 5206 Slog.w(TAG, "Package " + pkg.packageName 5207 + " was transferred to another, but its .apk remains"); 5208 } 5209 5210 // Just create the setting, don't add it yet. For already existing packages 5211 // the PkgSetting exists already and doesn't have to be created. 5212 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5213 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 5214 pkg.applicationInfo.cpuAbi, 5215 pkg.applicationInfo.flags, user, false); 5216 if (pkgSetting == null) { 5217 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5218 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5219 return null; 5220 } 5221 5222 if (pkgSetting.origPackage != null) { 5223 // If we are first transitioning from an original package, 5224 // fix up the new package's name now. We need to do this after 5225 // looking up the package under its new name, so getPackageLP 5226 // can take care of fiddling things correctly. 5227 pkg.setPackageName(origPackage.name); 5228 5229 // File a report about this. 5230 String msg = "New package " + pkgSetting.realName 5231 + " renamed to replace old package " + pkgSetting.name; 5232 reportSettingsProblem(Log.WARN, msg); 5233 5234 // Make a note of it. 5235 mTransferedPackages.add(origPackage.name); 5236 5237 // No longer need to retain this. 5238 pkgSetting.origPackage = null; 5239 } 5240 5241 if (realName != null) { 5242 // Make a note of it. 5243 mTransferedPackages.add(pkg.packageName); 5244 } 5245 5246 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5247 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5248 } 5249 5250 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5251 // Check all shared libraries and map to their actual file path. 5252 // We only do this here for apps not on a system dir, because those 5253 // are the only ones that can fail an install due to this. We 5254 // will take care of the system apps by updating all of their 5255 // library paths after the scan is done. 5256 if (!updateSharedLibrariesLPw(pkg, null)) { 5257 return null; 5258 } 5259 } 5260 5261 if (mFoundPolicyFile) { 5262 SELinuxMMAC.assignSeinfoValue(pkg); 5263 } 5264 5265 pkg.applicationInfo.uid = pkgSetting.appId; 5266 pkg.mExtras = pkgSetting; 5267 5268 if (!verifySignaturesLP(pkgSetting, pkg)) { 5269 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5270 return null; 5271 } 5272 // The signature has changed, but this package is in the system 5273 // image... let's recover! 5274 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5275 // However... if this package is part of a shared user, but it 5276 // doesn't match the signature of the shared user, let's fail. 5277 // What this means is that you can't change the signatures 5278 // associated with an overall shared user, which doesn't seem all 5279 // that unreasonable. 5280 if (pkgSetting.sharedUser != null) { 5281 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5282 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5283 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5284 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5285 return null; 5286 } 5287 } 5288 // File a report about this. 5289 String msg = "System package " + pkg.packageName 5290 + " signature changed; retaining data."; 5291 reportSettingsProblem(Log.WARN, msg); 5292 } 5293 5294 // Verify that this new package doesn't have any content providers 5295 // that conflict with existing packages. Only do this if the 5296 // package isn't already installed, since we don't want to break 5297 // things that are installed. 5298 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5299 final int N = pkg.providers.size(); 5300 int i; 5301 for (i=0; i<N; i++) { 5302 PackageParser.Provider p = pkg.providers.get(i); 5303 if (p.info.authority != null) { 5304 String names[] = p.info.authority.split(";"); 5305 for (int j = 0; j < names.length; j++) { 5306 if (mProvidersByAuthority.containsKey(names[j])) { 5307 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5308 Slog.w(TAG, "Can't install because provider name " + names[j] + 5309 " (in package " + pkg.applicationInfo.packageName + 5310 ") is already used by " 5311 + ((other != null && other.getComponentName() != null) 5312 ? other.getComponentName().getPackageName() : "?")); 5313 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5314 return null; 5315 } 5316 } 5317 } 5318 } 5319 } 5320 5321 if (pkg.mAdoptPermissions != null) { 5322 // This package wants to adopt ownership of permissions from 5323 // another package. 5324 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5325 final String origName = pkg.mAdoptPermissions.get(i); 5326 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5327 if (orig != null) { 5328 if (verifyPackageUpdateLPr(orig, pkg)) { 5329 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5330 + pkg.packageName); 5331 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5332 } 5333 } 5334 } 5335 } 5336 } 5337 5338 final String pkgName = pkg.packageName; 5339 5340 final long scanFileTime = scanFile.lastModified(); 5341 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5342 pkg.applicationInfo.processName = fixProcessName( 5343 pkg.applicationInfo.packageName, 5344 pkg.applicationInfo.processName, 5345 pkg.applicationInfo.uid); 5346 5347 File dataPath; 5348 if (mPlatformPackage == pkg) { 5349 // The system package is special. 5350 dataPath = new File (Environment.getDataDirectory(), "system"); 5351 pkg.applicationInfo.dataDir = dataPath.getPath(); 5352 } else { 5353 // This is a normal package, need to make its data directory. 5354 dataPath = getDataPathForPackage(pkg.packageName, 0); 5355 5356 boolean uidError = false; 5357 5358 if (dataPath.exists()) { 5359 int currentUid = 0; 5360 try { 5361 StructStat stat = Os.stat(dataPath.getPath()); 5362 currentUid = stat.st_uid; 5363 } catch (ErrnoException e) { 5364 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5365 } 5366 5367 // If we have mismatched owners for the data path, we have a problem. 5368 if (currentUid != pkg.applicationInfo.uid) { 5369 boolean recovered = false; 5370 if (currentUid == 0) { 5371 // The directory somehow became owned by root. Wow. 5372 // This is probably because the system was stopped while 5373 // installd was in the middle of messing with its libs 5374 // directory. Ask installd to fix that. 5375 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5376 pkg.applicationInfo.uid); 5377 if (ret >= 0) { 5378 recovered = true; 5379 String msg = "Package " + pkg.packageName 5380 + " unexpectedly changed to uid 0; recovered to " + 5381 + pkg.applicationInfo.uid; 5382 reportSettingsProblem(Log.WARN, msg); 5383 } 5384 } 5385 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5386 || (scanMode&SCAN_BOOTING) != 0)) { 5387 // If this is a system app, we can at least delete its 5388 // current data so the application will still work. 5389 int ret = removeDataDirsLI(pkgName); 5390 if (ret >= 0) { 5391 // TODO: Kill the processes first 5392 // Old data gone! 5393 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5394 ? "System package " : "Third party package "; 5395 String msg = prefix + pkg.packageName 5396 + " has changed from uid: " 5397 + currentUid + " to " 5398 + pkg.applicationInfo.uid + "; old data erased"; 5399 reportSettingsProblem(Log.WARN, msg); 5400 recovered = true; 5401 5402 // And now re-install the app. 5403 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5404 pkg.applicationInfo.seinfo); 5405 if (ret == -1) { 5406 // Ack should not happen! 5407 msg = prefix + pkg.packageName 5408 + " could not have data directory re-created after delete."; 5409 reportSettingsProblem(Log.WARN, msg); 5410 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5411 return null; 5412 } 5413 } 5414 if (!recovered) { 5415 mHasSystemUidErrors = true; 5416 } 5417 } else if (!recovered) { 5418 // If we allow this install to proceed, we will be broken. 5419 // Abort, abort! 5420 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5421 return null; 5422 } 5423 if (!recovered) { 5424 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5425 + pkg.applicationInfo.uid + "/fs_" 5426 + currentUid; 5427 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5428 String msg = "Package " + pkg.packageName 5429 + " has mismatched uid: " 5430 + currentUid + " on disk, " 5431 + pkg.applicationInfo.uid + " in settings"; 5432 // writer 5433 synchronized (mPackages) { 5434 mSettings.mReadMessages.append(msg); 5435 mSettings.mReadMessages.append('\n'); 5436 uidError = true; 5437 if (!pkgSetting.uidError) { 5438 reportSettingsProblem(Log.ERROR, msg); 5439 } 5440 } 5441 } 5442 } 5443 pkg.applicationInfo.dataDir = dataPath.getPath(); 5444 if (mShouldRestoreconData) { 5445 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5446 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5447 pkg.applicationInfo.uid); 5448 } 5449 } else { 5450 if (DEBUG_PACKAGE_SCANNING) { 5451 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5452 Log.v(TAG, "Want this data dir: " + dataPath); 5453 } 5454 //invoke installer to do the actual installation 5455 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5456 pkg.applicationInfo.seinfo); 5457 if (ret < 0) { 5458 // Error from installer 5459 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5460 return null; 5461 } 5462 5463 if (dataPath.exists()) { 5464 pkg.applicationInfo.dataDir = dataPath.getPath(); 5465 } else { 5466 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5467 pkg.applicationInfo.dataDir = null; 5468 } 5469 } 5470 5471 /* 5472 * Set the data dir to the default "/data/data/<package name>/lib" 5473 * if we got here without anyone telling us different (e.g., apps 5474 * stored on SD card have their native libraries stored in the ASEC 5475 * container with the APK). 5476 * 5477 * This happens during an upgrade from a package settings file that 5478 * doesn't have a native library path attribute at all. 5479 */ 5480 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5481 if (pkgSetting.nativeLibraryPathString == null) { 5482 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5483 } else { 5484 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5485 } 5486 } 5487 pkgSetting.uidError = uidError; 5488 } 5489 5490 final String path = scanFile.getPath(); 5491 /* Note: We don't want to unpack the native binaries for 5492 * system applications, unless they have been updated 5493 * (the binaries are already under /system/lib). 5494 * Also, don't unpack libs for apps on the external card 5495 * since they should have their libraries in the ASEC 5496 * container already. 5497 * 5498 * In other words, we're going to unpack the binaries 5499 * only for non-system apps and system app upgrades. 5500 */ 5501 if (pkg.applicationInfo.nativeLibraryDir != null) { 5502 // TODO: extend to extract native code from split APKs 5503 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5504 try { 5505 // Enable gross and lame hacks for apps that are built with old 5506 // SDK tools. We must scan their APKs for renderscript bitcode and 5507 // not launch them if it's present. Don't bother checking on devices 5508 // that don't have 64 bit support. 5509 String[] abiList = Build.SUPPORTED_ABIS; 5510 boolean hasLegacyRenderscriptBitcode = false; 5511 if (abiOverride != null) { 5512 abiList = new String[] { abiOverride }; 5513 } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 5514 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5515 abiList = Build.SUPPORTED_32_BIT_ABIS; 5516 hasLegacyRenderscriptBitcode = true; 5517 } 5518 5519 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5520 final String dataPathString = dataPath.getCanonicalPath(); 5521 5522 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5523 /* 5524 * Upgrading from a previous version of the OS sometimes 5525 * leaves native libraries in the /data/data/<app>/lib 5526 * directory for system apps even when they shouldn't be. 5527 * Recent changes in the JNI library search path 5528 * necessitates we remove those to match previous behavior. 5529 */ 5530 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5531 Log.i(TAG, "removed obsolete native libraries for system package " 5532 + path); 5533 } 5534 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5535 pkg.applicationInfo.cpuAbi = abiList[0]; 5536 pkgSetting.cpuAbiString = abiList[0]; 5537 } else { 5538 setInternalAppAbi(pkg, pkgSetting); 5539 } 5540 } else { 5541 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5542 /* 5543 * Update native library dir if it starts with 5544 * /data/data 5545 */ 5546 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5547 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5548 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5549 } 5550 5551 try { 5552 int copyRet = copyNativeLibrariesForInternalApp(handle, 5553 nativeLibraryDir, abiList); 5554 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5555 Slog.e(TAG, "Unable to copy native libraries"); 5556 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5557 return null; 5558 } 5559 5560 // We've successfully copied native libraries across, so we make a 5561 // note of what ABI we're using 5562 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5563 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5564 } else if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5565 pkg.applicationInfo.cpuAbi = abiList[0]; 5566 } else { 5567 pkg.applicationInfo.cpuAbi = null; 5568 } 5569 } catch (IOException e) { 5570 Slog.e(TAG, "Unable to copy native libraries", e); 5571 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5572 return null; 5573 } 5574 } else { 5575 // We don't have to copy the shared libraries if we're in the ASEC container 5576 // but we still need to scan the file to figure out what ABI the app needs. 5577 // 5578 // TODO: This duplicates work done in the default container service. It's possible 5579 // to clean this up but we'll need to change the interface between this service 5580 // and IMediaContainerService (but doing so will spread this logic out, rather 5581 // than centralizing it). 5582 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5583 if (abi >= 0) { 5584 pkg.applicationInfo.cpuAbi = abiList[abi]; 5585 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5586 // Note that (non upgraded) system apps will not have any native 5587 // libraries bundled in their APK, but we're guaranteed not to be 5588 // such an app at this point. 5589 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5590 pkg.applicationInfo.cpuAbi = abiList[0]; 5591 } else { 5592 pkg.applicationInfo.cpuAbi = null; 5593 } 5594 } else { 5595 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5596 return null; 5597 } 5598 } 5599 5600 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5601 final int[] userIds = sUserManager.getUserIds(); 5602 synchronized (mInstallLock) { 5603 for (int userId : userIds) { 5604 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5605 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5606 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5607 + ")"); 5608 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5609 return null; 5610 } 5611 } 5612 } 5613 } 5614 5615 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5616 } catch (IOException ioe) { 5617 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5618 } finally { 5619 handle.close(); 5620 } 5621 } 5622 5623 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5624 // We don't do this here during boot because we can do it all 5625 // at once after scanning all existing packages. 5626 // 5627 // We also do this *before* we perform dexopt on this package, so that 5628 // we can avoid redundant dexopts, and also to make sure we've got the 5629 // code and package path correct. 5630 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5631 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5632 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5633 return null; 5634 } 5635 } 5636 5637 if ((scanMode&SCAN_NO_DEX) == 0) { 5638 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5639 == DEX_OPT_FAILED) { 5640 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5641 removeDataDirsLI(pkg.packageName); 5642 } 5643 5644 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5645 return null; 5646 } 5647 } 5648 5649 if (mFactoryTest && pkg.requestedPermissions.contains( 5650 android.Manifest.permission.FACTORY_TEST)) { 5651 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5652 } 5653 5654 ArrayList<PackageParser.Package> clientLibPkgs = null; 5655 5656 // writer 5657 synchronized (mPackages) { 5658 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5659 // Only system apps can add new shared libraries. 5660 if (pkg.libraryNames != null) { 5661 for (int i=0; i<pkg.libraryNames.size(); i++) { 5662 String name = pkg.libraryNames.get(i); 5663 boolean allowed = false; 5664 if (isUpdatedSystemApp(pkg)) { 5665 // New library entries can only be added through the 5666 // system image. This is important to get rid of a lot 5667 // of nasty edge cases: for example if we allowed a non- 5668 // system update of the app to add a library, then uninstalling 5669 // the update would make the library go away, and assumptions 5670 // we made such as through app install filtering would now 5671 // have allowed apps on the device which aren't compatible 5672 // with it. Better to just have the restriction here, be 5673 // conservative, and create many fewer cases that can negatively 5674 // impact the user experience. 5675 final PackageSetting sysPs = mSettings 5676 .getDisabledSystemPkgLPr(pkg.packageName); 5677 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5678 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5679 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5680 allowed = true; 5681 allowed = true; 5682 break; 5683 } 5684 } 5685 } 5686 } else { 5687 allowed = true; 5688 } 5689 if (allowed) { 5690 if (!mSharedLibraries.containsKey(name)) { 5691 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5692 } else if (!name.equals(pkg.packageName)) { 5693 Slog.w(TAG, "Package " + pkg.packageName + " library " 5694 + name + " already exists; skipping"); 5695 } 5696 } else { 5697 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5698 + name + " that is not declared on system image; skipping"); 5699 } 5700 } 5701 if ((scanMode&SCAN_BOOTING) == 0) { 5702 // If we are not booting, we need to update any applications 5703 // that are clients of our shared library. If we are booting, 5704 // this will all be done once the scan is complete. 5705 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5706 } 5707 } 5708 } 5709 } 5710 5711 // We also need to dexopt any apps that are dependent on this library. Note that 5712 // if these fail, we should abort the install since installing the library will 5713 // result in some apps being broken. 5714 if (clientLibPkgs != null) { 5715 if ((scanMode&SCAN_NO_DEX) == 0) { 5716 for (int i=0; i<clientLibPkgs.size(); i++) { 5717 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5718 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5719 == DEX_OPT_FAILED) { 5720 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5721 removeDataDirsLI(pkg.packageName); 5722 } 5723 5724 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5725 return null; 5726 } 5727 } 5728 } 5729 } 5730 5731 // Request the ActivityManager to kill the process(only for existing packages) 5732 // so that we do not end up in a confused state while the user is still using the older 5733 // version of the application while the new one gets installed. 5734 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5735 // If the package lives in an asec, tell everyone that the container is going 5736 // away so they can clean up any references to its resources (which would prevent 5737 // vold from being able to unmount the asec) 5738 if (isForwardLocked(pkg) || isExternal(pkg)) { 5739 if (DEBUG_INSTALL) { 5740 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5741 } 5742 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5743 final ArrayList<String> pkgList = new ArrayList<String>(1); 5744 pkgList.add(pkg.applicationInfo.packageName); 5745 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5746 } 5747 5748 // Post the request that it be killed now that the going-away broadcast is en route 5749 killApplication(pkg.applicationInfo.packageName, 5750 pkg.applicationInfo.uid, "update pkg"); 5751 } 5752 5753 // Also need to kill any apps that are dependent on the library. 5754 if (clientLibPkgs != null) { 5755 for (int i=0; i<clientLibPkgs.size(); i++) { 5756 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5757 killApplication(clientPkg.applicationInfo.packageName, 5758 clientPkg.applicationInfo.uid, "update lib"); 5759 } 5760 } 5761 5762 // writer 5763 synchronized (mPackages) { 5764 // We don't expect installation to fail beyond this point, 5765 if ((scanMode&SCAN_MONITOR) != 0) { 5766 mAppDirs.put(pkg.codePath, pkg); 5767 } 5768 // Add the new setting to mSettings 5769 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5770 // Add the new setting to mPackages 5771 mPackages.put(pkg.applicationInfo.packageName, pkg); 5772 // Make sure we don't accidentally delete its data. 5773 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5774 while (iter.hasNext()) { 5775 PackageCleanItem item = iter.next(); 5776 if (pkgName.equals(item.packageName)) { 5777 iter.remove(); 5778 } 5779 } 5780 5781 // Take care of first install / last update times. 5782 if (currentTime != 0) { 5783 if (pkgSetting.firstInstallTime == 0) { 5784 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5785 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5786 pkgSetting.lastUpdateTime = currentTime; 5787 } 5788 } else if (pkgSetting.firstInstallTime == 0) { 5789 // We need *something*. Take time time stamp of the file. 5790 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5791 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5792 if (scanFileTime != pkgSetting.timeStamp) { 5793 // A package on the system image has changed; consider this 5794 // to be an update. 5795 pkgSetting.lastUpdateTime = scanFileTime; 5796 } 5797 } 5798 5799 // Add the package's KeySets to the global KeySetManager 5800 KeySetManager ksm = mSettings.mKeySetManager; 5801 try { 5802 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5803 if (pkg.mKeySetMapping != null) { 5804 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5805 pkg.mKeySetMapping.entrySet()) { 5806 if (entry.getValue() != null) { 5807 ksm.addDefinedKeySetToPackage(pkg.packageName, 5808 entry.getValue(), entry.getKey()); 5809 } 5810 } 5811 } 5812 } catch (NullPointerException e) { 5813 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5814 } catch (IllegalArgumentException e) { 5815 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5816 } 5817 5818 int N = pkg.providers.size(); 5819 StringBuilder r = null; 5820 int i; 5821 for (i=0; i<N; i++) { 5822 PackageParser.Provider p = pkg.providers.get(i); 5823 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5824 p.info.processName, pkg.applicationInfo.uid); 5825 mProviders.addProvider(p); 5826 p.syncable = p.info.isSyncable; 5827 if (p.info.authority != null) { 5828 String names[] = p.info.authority.split(";"); 5829 p.info.authority = null; 5830 for (int j = 0; j < names.length; j++) { 5831 if (j == 1 && p.syncable) { 5832 // We only want the first authority for a provider to possibly be 5833 // syncable, so if we already added this provider using a different 5834 // authority clear the syncable flag. We copy the provider before 5835 // changing it because the mProviders object contains a reference 5836 // to a provider that we don't want to change. 5837 // Only do this for the second authority since the resulting provider 5838 // object can be the same for all future authorities for this provider. 5839 p = new PackageParser.Provider(p); 5840 p.syncable = false; 5841 } 5842 if (!mProvidersByAuthority.containsKey(names[j])) { 5843 mProvidersByAuthority.put(names[j], p); 5844 if (p.info.authority == null) { 5845 p.info.authority = names[j]; 5846 } else { 5847 p.info.authority = p.info.authority + ";" + names[j]; 5848 } 5849 if (DEBUG_PACKAGE_SCANNING) { 5850 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5851 Log.d(TAG, "Registered content provider: " + names[j] 5852 + ", className = " + p.info.name + ", isSyncable = " 5853 + p.info.isSyncable); 5854 } 5855 } else { 5856 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5857 Slog.w(TAG, "Skipping provider name " + names[j] + 5858 " (in package " + pkg.applicationInfo.packageName + 5859 "): name already used by " 5860 + ((other != null && other.getComponentName() != null) 5861 ? other.getComponentName().getPackageName() : "?")); 5862 } 5863 } 5864 } 5865 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5866 if (r == null) { 5867 r = new StringBuilder(256); 5868 } else { 5869 r.append(' '); 5870 } 5871 r.append(p.info.name); 5872 } 5873 } 5874 if (r != null) { 5875 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5876 } 5877 5878 N = pkg.services.size(); 5879 r = null; 5880 for (i=0; i<N; i++) { 5881 PackageParser.Service s = pkg.services.get(i); 5882 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5883 s.info.processName, pkg.applicationInfo.uid); 5884 mServices.addService(s); 5885 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5886 if (r == null) { 5887 r = new StringBuilder(256); 5888 } else { 5889 r.append(' '); 5890 } 5891 r.append(s.info.name); 5892 } 5893 } 5894 if (r != null) { 5895 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5896 } 5897 5898 N = pkg.receivers.size(); 5899 r = null; 5900 for (i=0; i<N; i++) { 5901 PackageParser.Activity a = pkg.receivers.get(i); 5902 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5903 a.info.processName, pkg.applicationInfo.uid); 5904 mReceivers.addActivity(a, "receiver"); 5905 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5906 if (r == null) { 5907 r = new StringBuilder(256); 5908 } else { 5909 r.append(' '); 5910 } 5911 r.append(a.info.name); 5912 } 5913 } 5914 if (r != null) { 5915 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5916 } 5917 5918 N = pkg.activities.size(); 5919 r = null; 5920 for (i=0; i<N; i++) { 5921 PackageParser.Activity a = pkg.activities.get(i); 5922 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5923 a.info.processName, pkg.applicationInfo.uid); 5924 mActivities.addActivity(a, "activity"); 5925 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5926 if (r == null) { 5927 r = new StringBuilder(256); 5928 } else { 5929 r.append(' '); 5930 } 5931 r.append(a.info.name); 5932 } 5933 } 5934 if (r != null) { 5935 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5936 } 5937 5938 N = pkg.permissionGroups.size(); 5939 r = null; 5940 for (i=0; i<N; i++) { 5941 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5942 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5943 if (cur == null) { 5944 mPermissionGroups.put(pg.info.name, pg); 5945 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5946 if (r == null) { 5947 r = new StringBuilder(256); 5948 } else { 5949 r.append(' '); 5950 } 5951 r.append(pg.info.name); 5952 } 5953 } else { 5954 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5955 + pg.info.packageName + " ignored: original from " 5956 + cur.info.packageName); 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("DUP:"); 5964 r.append(pg.info.name); 5965 } 5966 } 5967 } 5968 if (r != null) { 5969 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5970 } 5971 5972 N = pkg.permissions.size(); 5973 r = null; 5974 for (i=0; i<N; i++) { 5975 PackageParser.Permission p = pkg.permissions.get(i); 5976 HashMap<String, BasePermission> permissionMap = 5977 p.tree ? mSettings.mPermissionTrees 5978 : mSettings.mPermissions; 5979 p.group = mPermissionGroups.get(p.info.group); 5980 if (p.info.group == null || p.group != null) { 5981 BasePermission bp = permissionMap.get(p.info.name); 5982 if (bp == null) { 5983 bp = new BasePermission(p.info.name, p.info.packageName, 5984 BasePermission.TYPE_NORMAL); 5985 permissionMap.put(p.info.name, bp); 5986 } 5987 if (bp.perm == null) { 5988 if (bp.sourcePackage != null 5989 && !bp.sourcePackage.equals(p.info.packageName)) { 5990 // If this is a permission that was formerly defined by a non-system 5991 // app, but is now defined by a system app (following an upgrade), 5992 // discard the previous declaration and consider the system's to be 5993 // canonical. 5994 if (isSystemApp(p.owner)) { 5995 String msg = "New decl " + p.owner + " of permission " 5996 + p.info.name + " is system"; 5997 reportSettingsProblem(Log.WARN, msg); 5998 bp.sourcePackage = null; 5999 } 6000 } 6001 if (bp.sourcePackage == null 6002 || bp.sourcePackage.equals(p.info.packageName)) { 6003 BasePermission tree = findPermissionTreeLP(p.info.name); 6004 if (tree == null 6005 || tree.sourcePackage.equals(p.info.packageName)) { 6006 bp.packageSetting = pkgSetting; 6007 bp.perm = p; 6008 bp.uid = pkg.applicationInfo.uid; 6009 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6010 if (r == null) { 6011 r = new StringBuilder(256); 6012 } else { 6013 r.append(' '); 6014 } 6015 r.append(p.info.name); 6016 } 6017 } else { 6018 Slog.w(TAG, "Permission " + p.info.name + " from package " 6019 + p.info.packageName + " ignored: base tree " 6020 + tree.name + " is from package " 6021 + tree.sourcePackage); 6022 } 6023 } else { 6024 Slog.w(TAG, "Permission " + p.info.name + " from package " 6025 + p.info.packageName + " ignored: original from " 6026 + bp.sourcePackage); 6027 } 6028 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6029 if (r == null) { 6030 r = new StringBuilder(256); 6031 } else { 6032 r.append(' '); 6033 } 6034 r.append("DUP:"); 6035 r.append(p.info.name); 6036 } 6037 if (bp.perm == p) { 6038 bp.protectionLevel = p.info.protectionLevel; 6039 } 6040 } else { 6041 Slog.w(TAG, "Permission " + p.info.name + " from package " 6042 + p.info.packageName + " ignored: no group " 6043 + p.group); 6044 } 6045 } 6046 if (r != null) { 6047 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6048 } 6049 6050 N = pkg.instrumentation.size(); 6051 r = null; 6052 for (i=0; i<N; i++) { 6053 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6054 a.info.packageName = pkg.applicationInfo.packageName; 6055 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6056 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6057 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6058 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6059 a.info.dataDir = pkg.applicationInfo.dataDir; 6060 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6061 mInstrumentation.put(a.getComponentName(), a); 6062 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6063 if (r == null) { 6064 r = new StringBuilder(256); 6065 } else { 6066 r.append(' '); 6067 } 6068 r.append(a.info.name); 6069 } 6070 } 6071 if (r != null) { 6072 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6073 } 6074 6075 if (pkg.protectedBroadcasts != null) { 6076 N = pkg.protectedBroadcasts.size(); 6077 for (i=0; i<N; i++) { 6078 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6079 } 6080 } 6081 6082 pkgSetting.setTimeStamp(scanFileTime); 6083 6084 // Create idmap files for pairs of (packages, overlay packages). 6085 // Note: "android", ie framework-res.apk, is handled by native layers. 6086 if (pkg.mOverlayTarget != null) { 6087 // This is an overlay package. 6088 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6089 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6090 mOverlays.put(pkg.mOverlayTarget, 6091 new HashMap<String, PackageParser.Package>()); 6092 } 6093 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6094 map.put(pkg.packageName, pkg); 6095 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6096 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6097 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 6098 return null; 6099 } 6100 } 6101 } else if (mOverlays.containsKey(pkg.packageName) && 6102 !pkg.packageName.equals("android")) { 6103 // This is a regular package, with one or more known overlay packages. 6104 createIdmapsForPackageLI(pkg); 6105 } 6106 } 6107 6108 return pkg; 6109 } 6110 6111 /** 6112 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6113 * i.e, so that all packages can be run inside a single process if required. 6114 * 6115 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6116 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6117 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6118 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6119 * updating a package that belongs to a shared user. 6120 */ 6121 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6122 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6123 String requiredInstructionSet = null; 6124 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 6125 requiredInstructionSet = VMRuntime.getInstructionSet( 6126 scannedPackage.applicationInfo.cpuAbi); 6127 } 6128 6129 PackageSetting requirer = null; 6130 for (PackageSetting ps : packagesForUser) { 6131 // If packagesForUser contains scannedPackage, we skip it. This will happen 6132 // when scannedPackage is an update of an existing package. Without this check, 6133 // we will never be able to change the ABI of any package belonging to a shared 6134 // user, even if it's compatible with other packages. 6135 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 6136 if (ps.cpuAbiString == null) { 6137 continue; 6138 } 6139 6140 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 6141 if (requiredInstructionSet != null) { 6142 if (!instructionSet.equals(requiredInstructionSet)) { 6143 // We have a mismatch between instruction sets (say arm vs arm64). 6144 // bail out. 6145 String errorMessage = "Instruction set mismatch, " 6146 + ((requirer == null) ? "[caller]" : requirer) 6147 + " requires " + requiredInstructionSet + " whereas " + ps 6148 + " requires " + instructionSet; 6149 Slog.e(TAG, errorMessage); 6150 6151 reportSettingsProblem(Log.WARN, errorMessage); 6152 // Give up, don't bother making any other changes to the package settings. 6153 return false; 6154 } 6155 } else { 6156 requiredInstructionSet = instructionSet; 6157 requirer = ps; 6158 } 6159 } 6160 } 6161 6162 if (requiredInstructionSet != null) { 6163 String adjustedAbi; 6164 if (requirer != null) { 6165 // requirer != null implies that either scannedPackage was null or that scannedPackage 6166 // did not require an ABI, in which case we have to adjust scannedPackage to match 6167 // the ABI of the set (which is the same as requirer's ABI) 6168 adjustedAbi = requirer.cpuAbiString; 6169 if (scannedPackage != null) { 6170 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 6171 } 6172 } else { 6173 // requirer == null implies that we're updating all ABIs in the set to 6174 // match scannedPackage. 6175 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 6176 } 6177 6178 for (PackageSetting ps : packagesForUser) { 6179 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6180 if (ps.cpuAbiString != null) { 6181 continue; 6182 } 6183 6184 ps.cpuAbiString = adjustedAbi; 6185 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6186 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 6187 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6188 6189 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6190 ps.cpuAbiString = null; 6191 ps.pkg.applicationInfo.cpuAbi = null; 6192 return false; 6193 } else { 6194 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6195 } 6196 } 6197 } 6198 } 6199 } 6200 6201 return true; 6202 } 6203 6204 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6205 synchronized (mPackages) { 6206 mResolverReplaced = true; 6207 // Set up information for custom user intent resolution activity. 6208 mResolveActivity.applicationInfo = pkg.applicationInfo; 6209 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6210 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6211 mResolveActivity.processName = null; 6212 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6213 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6214 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6215 mResolveActivity.theme = 0; 6216 mResolveActivity.exported = true; 6217 mResolveActivity.enabled = true; 6218 mResolveInfo.activityInfo = mResolveActivity; 6219 mResolveInfo.priority = 0; 6220 mResolveInfo.preferredOrder = 0; 6221 mResolveInfo.match = 0; 6222 mResolveComponentName = mCustomResolverComponentName; 6223 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6224 mResolveComponentName); 6225 } 6226 } 6227 6228 private String calculateApkRoot(final String codePathString) { 6229 final File codePath = new File(codePathString); 6230 final File codeRoot; 6231 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6232 codeRoot = Environment.getRootDirectory(); 6233 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6234 codeRoot = Environment.getOemDirectory(); 6235 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6236 codeRoot = Environment.getVendorDirectory(); 6237 } else { 6238 // Unrecognized code path; take its top real segment as the apk root: 6239 // e.g. /something/app/blah.apk => /something 6240 try { 6241 File f = codePath.getCanonicalFile(); 6242 File parent = f.getParentFile(); // non-null because codePath is a file 6243 File tmp; 6244 while ((tmp = parent.getParentFile()) != null) { 6245 f = parent; 6246 parent = tmp; 6247 } 6248 codeRoot = f; 6249 Slog.w(TAG, "Unrecognized code path " 6250 + codePath + " - using " + codeRoot); 6251 } catch (IOException e) { 6252 // Can't canonicalize the lib path -- shenanigans? 6253 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6254 return Environment.getRootDirectory().getPath(); 6255 } 6256 } 6257 return codeRoot.getPath(); 6258 } 6259 6260 // This is the initial scan-time determination of how to handle a given 6261 // package for purposes of native library location. 6262 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6263 PackageSetting pkgSetting) { 6264 // "bundled" here means system-installed with no overriding update 6265 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6266 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6267 final File libDir; 6268 if (bundledApk) { 6269 // If "/system/lib64/apkname" exists, assume that is the per-package 6270 // native library directory to use; otherwise use "/system/lib/apkname". 6271 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6272 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6273 File packLib64 = new File(lib64, apkName); 6274 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6275 } else { 6276 libDir = mAppLibInstallDir; 6277 } 6278 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6279 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6280 // pkgSetting might be null during rescan following uninstall of updates 6281 // to a bundled app, so accommodate that possibility. The settings in 6282 // that case will be established later from the parsed package. 6283 if (pkgSetting != null) { 6284 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6285 } 6286 } 6287 6288 // Deduces the required ABI of an upgraded system app. 6289 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6290 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6291 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6292 6293 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6294 // or similar. 6295 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6296 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6297 6298 // Assume that the bundled native libraries always correspond to the 6299 // most preferred 32 or 64 bit ABI. 6300 if (lib64.exists()) { 6301 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6302 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6303 } else if (lib.exists()) { 6304 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6305 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6306 } else { 6307 // This is the case where the app has no native code. 6308 pkg.applicationInfo.cpuAbi = null; 6309 pkgSetting.cpuAbiString = null; 6310 } 6311 } 6312 6313 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 6314 final File nativeLibraryDir, String[] abiList) throws IOException { 6315 if (!nativeLibraryDir.isDirectory()) { 6316 nativeLibraryDir.delete(); 6317 6318 if (!nativeLibraryDir.mkdir()) { 6319 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6320 } 6321 6322 try { 6323 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6324 } catch (ErrnoException e) { 6325 throw new IOException("Cannot chmod native library directory " 6326 + nativeLibraryDir.getPath(), e); 6327 } 6328 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6329 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6330 } 6331 6332 /* 6333 * If this is an internal application or our nativeLibraryPath points to 6334 * the app-lib directory, unpack the libraries if necessary. 6335 */ 6336 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6337 if (abi >= 0) { 6338 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6339 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6340 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6341 return copyRet; 6342 } 6343 } 6344 6345 return abi; 6346 } 6347 6348 private void killApplication(String pkgName, int appId, String reason) { 6349 // Request the ActivityManager to kill the process(only for existing packages) 6350 // so that we do not end up in a confused state while the user is still using the older 6351 // version of the application while the new one gets installed. 6352 IActivityManager am = ActivityManagerNative.getDefault(); 6353 if (am != null) { 6354 try { 6355 am.killApplicationWithAppId(pkgName, appId, reason); 6356 } catch (RemoteException e) { 6357 } 6358 } 6359 } 6360 6361 void removePackageLI(PackageSetting ps, boolean chatty) { 6362 if (DEBUG_INSTALL) { 6363 if (chatty) 6364 Log.d(TAG, "Removing package " + ps.name); 6365 } 6366 6367 // writer 6368 synchronized (mPackages) { 6369 mPackages.remove(ps.name); 6370 if (ps.codePathString != null) { 6371 mAppDirs.remove(ps.codePathString); 6372 } 6373 6374 final PackageParser.Package pkg = ps.pkg; 6375 if (pkg != null) { 6376 cleanPackageDataStructuresLILPw(pkg, chatty); 6377 } 6378 } 6379 } 6380 6381 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6382 if (DEBUG_INSTALL) { 6383 if (chatty) 6384 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6385 } 6386 6387 // writer 6388 synchronized (mPackages) { 6389 mPackages.remove(pkg.applicationInfo.packageName); 6390 if (pkg.codePath != null) { 6391 mAppDirs.remove(pkg.codePath); 6392 } 6393 cleanPackageDataStructuresLILPw(pkg, chatty); 6394 } 6395 } 6396 6397 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6398 int N = pkg.providers.size(); 6399 StringBuilder r = null; 6400 int i; 6401 for (i=0; i<N; i++) { 6402 PackageParser.Provider p = pkg.providers.get(i); 6403 mProviders.removeProvider(p); 6404 if (p.info.authority == null) { 6405 6406 /* There was another ContentProvider with this authority when 6407 * this app was installed so this authority is null, 6408 * Ignore it as we don't have to unregister the provider. 6409 */ 6410 continue; 6411 } 6412 String names[] = p.info.authority.split(";"); 6413 for (int j = 0; j < names.length; j++) { 6414 if (mProvidersByAuthority.get(names[j]) == p) { 6415 mProvidersByAuthority.remove(names[j]); 6416 if (DEBUG_REMOVE) { 6417 if (chatty) 6418 Log.d(TAG, "Unregistered content provider: " + names[j] 6419 + ", className = " + p.info.name + ", isSyncable = " 6420 + p.info.isSyncable); 6421 } 6422 } 6423 } 6424 if (DEBUG_REMOVE && chatty) { 6425 if (r == null) { 6426 r = new StringBuilder(256); 6427 } else { 6428 r.append(' '); 6429 } 6430 r.append(p.info.name); 6431 } 6432 } 6433 if (r != null) { 6434 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6435 } 6436 6437 N = pkg.services.size(); 6438 r = null; 6439 for (i=0; i<N; i++) { 6440 PackageParser.Service s = pkg.services.get(i); 6441 mServices.removeService(s); 6442 if (chatty) { 6443 if (r == null) { 6444 r = new StringBuilder(256); 6445 } else { 6446 r.append(' '); 6447 } 6448 r.append(s.info.name); 6449 } 6450 } 6451 if (r != null) { 6452 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6453 } 6454 6455 N = pkg.receivers.size(); 6456 r = null; 6457 for (i=0; i<N; i++) { 6458 PackageParser.Activity a = pkg.receivers.get(i); 6459 mReceivers.removeActivity(a, "receiver"); 6460 if (DEBUG_REMOVE && chatty) { 6461 if (r == null) { 6462 r = new StringBuilder(256); 6463 } else { 6464 r.append(' '); 6465 } 6466 r.append(a.info.name); 6467 } 6468 } 6469 if (r != null) { 6470 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6471 } 6472 6473 N = pkg.activities.size(); 6474 r = null; 6475 for (i=0; i<N; i++) { 6476 PackageParser.Activity a = pkg.activities.get(i); 6477 mActivities.removeActivity(a, "activity"); 6478 if (DEBUG_REMOVE && chatty) { 6479 if (r == null) { 6480 r = new StringBuilder(256); 6481 } else { 6482 r.append(' '); 6483 } 6484 r.append(a.info.name); 6485 } 6486 } 6487 if (r != null) { 6488 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6489 } 6490 6491 N = pkg.permissions.size(); 6492 r = null; 6493 for (i=0; i<N; i++) { 6494 PackageParser.Permission p = pkg.permissions.get(i); 6495 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6496 if (bp == null) { 6497 bp = mSettings.mPermissionTrees.get(p.info.name); 6498 } 6499 if (bp != null && bp.perm == p) { 6500 bp.perm = null; 6501 if (DEBUG_REMOVE && chatty) { 6502 if (r == null) { 6503 r = new StringBuilder(256); 6504 } else { 6505 r.append(' '); 6506 } 6507 r.append(p.info.name); 6508 } 6509 } 6510 } 6511 if (r != null) { 6512 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6513 } 6514 6515 N = pkg.instrumentation.size(); 6516 r = null; 6517 for (i=0; i<N; i++) { 6518 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6519 mInstrumentation.remove(a.getComponentName()); 6520 if (DEBUG_REMOVE && chatty) { 6521 if (r == null) { 6522 r = new StringBuilder(256); 6523 } else { 6524 r.append(' '); 6525 } 6526 r.append(a.info.name); 6527 } 6528 } 6529 if (r != null) { 6530 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6531 } 6532 6533 r = null; 6534 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6535 // Only system apps can hold shared libraries. 6536 if (pkg.libraryNames != null) { 6537 for (i=0; i<pkg.libraryNames.size(); i++) { 6538 String name = pkg.libraryNames.get(i); 6539 SharedLibraryEntry cur = mSharedLibraries.get(name); 6540 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6541 mSharedLibraries.remove(name); 6542 if (DEBUG_REMOVE && chatty) { 6543 if (r == null) { 6544 r = new StringBuilder(256); 6545 } else { 6546 r.append(' '); 6547 } 6548 r.append(name); 6549 } 6550 } 6551 } 6552 } 6553 } 6554 if (r != null) { 6555 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6556 } 6557 } 6558 6559 private static final boolean isPackageFilename(String name) { 6560 return name != null && name.endsWith(".apk"); 6561 } 6562 6563 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6564 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6565 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6566 return true; 6567 } 6568 } 6569 return false; 6570 } 6571 6572 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6573 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6574 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6575 6576 private void updatePermissionsLPw(String changingPkg, 6577 PackageParser.Package pkgInfo, int flags) { 6578 // Make sure there are no dangling permission trees. 6579 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6580 while (it.hasNext()) { 6581 final BasePermission bp = it.next(); 6582 if (bp.packageSetting == null) { 6583 // We may not yet have parsed the package, so just see if 6584 // we still know about its settings. 6585 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6586 } 6587 if (bp.packageSetting == null) { 6588 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6589 + " from package " + bp.sourcePackage); 6590 it.remove(); 6591 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6592 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6593 Slog.i(TAG, "Removing old permission tree: " + bp.name 6594 + " from package " + bp.sourcePackage); 6595 flags |= UPDATE_PERMISSIONS_ALL; 6596 it.remove(); 6597 } 6598 } 6599 } 6600 6601 // Make sure all dynamic permissions have been assigned to a package, 6602 // and make sure there are no dangling permissions. 6603 it = mSettings.mPermissions.values().iterator(); 6604 while (it.hasNext()) { 6605 final BasePermission bp = it.next(); 6606 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6607 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6608 + bp.name + " pkg=" + bp.sourcePackage 6609 + " info=" + bp.pendingInfo); 6610 if (bp.packageSetting == null && bp.pendingInfo != null) { 6611 final BasePermission tree = findPermissionTreeLP(bp.name); 6612 if (tree != null && tree.perm != null) { 6613 bp.packageSetting = tree.packageSetting; 6614 bp.perm = new PackageParser.Permission(tree.perm.owner, 6615 new PermissionInfo(bp.pendingInfo)); 6616 bp.perm.info.packageName = tree.perm.info.packageName; 6617 bp.perm.info.name = bp.name; 6618 bp.uid = tree.uid; 6619 } 6620 } 6621 } 6622 if (bp.packageSetting == null) { 6623 // We may not yet have parsed the package, so just see if 6624 // we still know about its settings. 6625 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6626 } 6627 if (bp.packageSetting == null) { 6628 Slog.w(TAG, "Removing dangling permission: " + bp.name 6629 + " from package " + bp.sourcePackage); 6630 it.remove(); 6631 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6632 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6633 Slog.i(TAG, "Removing old permission: " + bp.name 6634 + " from package " + bp.sourcePackage); 6635 flags |= UPDATE_PERMISSIONS_ALL; 6636 it.remove(); 6637 } 6638 } 6639 } 6640 6641 // Now update the permissions for all packages, in particular 6642 // replace the granted permissions of the system packages. 6643 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6644 for (PackageParser.Package pkg : mPackages.values()) { 6645 if (pkg != pkgInfo) { 6646 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6647 } 6648 } 6649 } 6650 6651 if (pkgInfo != null) { 6652 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6653 } 6654 } 6655 6656 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6657 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6658 if (ps == null) { 6659 return; 6660 } 6661 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6662 HashSet<String> origPermissions = gp.grantedPermissions; 6663 boolean changedPermission = false; 6664 6665 if (replace) { 6666 ps.permissionsFixed = false; 6667 if (gp == ps) { 6668 origPermissions = new HashSet<String>(gp.grantedPermissions); 6669 gp.grantedPermissions.clear(); 6670 gp.gids = mGlobalGids; 6671 } 6672 } 6673 6674 if (gp.gids == null) { 6675 gp.gids = mGlobalGids; 6676 } 6677 6678 final int N = pkg.requestedPermissions.size(); 6679 for (int i=0; i<N; i++) { 6680 final String name = pkg.requestedPermissions.get(i); 6681 final boolean required = pkg.requestedPermissionsRequired.get(i); 6682 final BasePermission bp = mSettings.mPermissions.get(name); 6683 if (DEBUG_INSTALL) { 6684 if (gp != ps) { 6685 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6686 } 6687 } 6688 6689 if (bp == null || bp.packageSetting == null) { 6690 Slog.w(TAG, "Unknown permission " + name 6691 + " in package " + pkg.packageName); 6692 continue; 6693 } 6694 6695 final String perm = bp.name; 6696 boolean allowed; 6697 boolean allowedSig = false; 6698 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6699 if (level == PermissionInfo.PROTECTION_NORMAL 6700 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6701 // We grant a normal or dangerous permission if any of the following 6702 // are true: 6703 // 1) The permission is required 6704 // 2) The permission is optional, but was granted in the past 6705 // 3) The permission is optional, but was requested by an 6706 // app in /system (not /data) 6707 // 6708 // Otherwise, reject the permission. 6709 allowed = (required || origPermissions.contains(perm) 6710 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6711 } else if (bp.packageSetting == null) { 6712 // This permission is invalid; skip it. 6713 allowed = false; 6714 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6715 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6716 if (allowed) { 6717 allowedSig = true; 6718 } 6719 } else { 6720 allowed = false; 6721 } 6722 if (DEBUG_INSTALL) { 6723 if (gp != ps) { 6724 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6725 } 6726 } 6727 if (allowed) { 6728 if (!isSystemApp(ps) && ps.permissionsFixed) { 6729 // If this is an existing, non-system package, then 6730 // we can't add any new permissions to it. 6731 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6732 // Except... if this is a permission that was added 6733 // to the platform (note: need to only do this when 6734 // updating the platform). 6735 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6736 } 6737 } 6738 if (allowed) { 6739 if (!gp.grantedPermissions.contains(perm)) { 6740 changedPermission = true; 6741 gp.grantedPermissions.add(perm); 6742 gp.gids = appendInts(gp.gids, bp.gids); 6743 } else if (!ps.haveGids) { 6744 gp.gids = appendInts(gp.gids, bp.gids); 6745 } 6746 } else { 6747 Slog.w(TAG, "Not granting permission " + perm 6748 + " to package " + pkg.packageName 6749 + " because it was previously installed without"); 6750 } 6751 } else { 6752 if (gp.grantedPermissions.remove(perm)) { 6753 changedPermission = true; 6754 gp.gids = removeInts(gp.gids, bp.gids); 6755 Slog.i(TAG, "Un-granting permission " + perm 6756 + " from package " + pkg.packageName 6757 + " (protectionLevel=" + bp.protectionLevel 6758 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6759 + ")"); 6760 } else { 6761 Slog.w(TAG, "Not granting permission " + perm 6762 + " to package " + pkg.packageName 6763 + " (protectionLevel=" + bp.protectionLevel 6764 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6765 + ")"); 6766 } 6767 } 6768 } 6769 6770 if ((changedPermission || replace) && !ps.permissionsFixed && 6771 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6772 // This is the first that we have heard about this package, so the 6773 // permissions we have now selected are fixed until explicitly 6774 // changed. 6775 ps.permissionsFixed = true; 6776 } 6777 ps.haveGids = true; 6778 } 6779 6780 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6781 boolean allowed = false; 6782 final int NP = PackageParser.NEW_PERMISSIONS.length; 6783 for (int ip=0; ip<NP; ip++) { 6784 final PackageParser.NewPermissionInfo npi 6785 = PackageParser.NEW_PERMISSIONS[ip]; 6786 if (npi.name.equals(perm) 6787 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6788 allowed = true; 6789 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6790 + pkg.packageName); 6791 break; 6792 } 6793 } 6794 return allowed; 6795 } 6796 6797 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6798 BasePermission bp, HashSet<String> origPermissions) { 6799 boolean allowed; 6800 allowed = (compareSignatures( 6801 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6802 == PackageManager.SIGNATURE_MATCH) 6803 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6804 == PackageManager.SIGNATURE_MATCH); 6805 if (!allowed && (bp.protectionLevel 6806 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6807 if (isSystemApp(pkg)) { 6808 // For updated system applications, a system permission 6809 // is granted only if it had been defined by the original application. 6810 if (isUpdatedSystemApp(pkg)) { 6811 final PackageSetting sysPs = mSettings 6812 .getDisabledSystemPkgLPr(pkg.packageName); 6813 final GrantedPermissions origGp = sysPs.sharedUser != null 6814 ? sysPs.sharedUser : sysPs; 6815 6816 if (origGp.grantedPermissions.contains(perm)) { 6817 // If the original was granted this permission, we take 6818 // that grant decision as read and propagate it to the 6819 // update. 6820 allowed = true; 6821 } else { 6822 // The system apk may have been updated with an older 6823 // version of the one on the data partition, but which 6824 // granted a new system permission that it didn't have 6825 // before. In this case we do want to allow the app to 6826 // now get the new permission if the ancestral apk is 6827 // privileged to get it. 6828 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6829 for (int j=0; 6830 j<sysPs.pkg.requestedPermissions.size(); j++) { 6831 if (perm.equals( 6832 sysPs.pkg.requestedPermissions.get(j))) { 6833 allowed = true; 6834 break; 6835 } 6836 } 6837 } 6838 } 6839 } else { 6840 allowed = isPrivilegedApp(pkg); 6841 } 6842 } 6843 } 6844 if (!allowed && (bp.protectionLevel 6845 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6846 // For development permissions, a development permission 6847 // is granted only if it was already granted. 6848 allowed = origPermissions.contains(perm); 6849 } 6850 return allowed; 6851 } 6852 6853 final class ActivityIntentResolver 6854 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6855 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6856 boolean defaultOnly, int userId) { 6857 if (!sUserManager.exists(userId)) return null; 6858 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6859 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6860 } 6861 6862 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6863 int userId) { 6864 if (!sUserManager.exists(userId)) return null; 6865 mFlags = flags; 6866 return super.queryIntent(intent, resolvedType, 6867 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6868 } 6869 6870 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6871 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6872 if (!sUserManager.exists(userId)) return null; 6873 if (packageActivities == null) { 6874 return null; 6875 } 6876 mFlags = flags; 6877 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6878 final int N = packageActivities.size(); 6879 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6880 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6881 6882 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6883 for (int i = 0; i < N; ++i) { 6884 intentFilters = packageActivities.get(i).intents; 6885 if (intentFilters != null && intentFilters.size() > 0) { 6886 PackageParser.ActivityIntentInfo[] array = 6887 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6888 intentFilters.toArray(array); 6889 listCut.add(array); 6890 } 6891 } 6892 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6893 } 6894 6895 public final void addActivity(PackageParser.Activity a, String type) { 6896 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6897 mActivities.put(a.getComponentName(), a); 6898 if (DEBUG_SHOW_INFO) 6899 Log.v( 6900 TAG, " " + type + " " + 6901 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6902 if (DEBUG_SHOW_INFO) 6903 Log.v(TAG, " Class=" + a.info.name); 6904 final int NI = a.intents.size(); 6905 for (int j=0; j<NI; j++) { 6906 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6907 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6908 intent.setPriority(0); 6909 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6910 + a.className + " with priority > 0, forcing to 0"); 6911 } 6912 if (DEBUG_SHOW_INFO) { 6913 Log.v(TAG, " IntentFilter:"); 6914 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6915 } 6916 if (!intent.debugCheck()) { 6917 Log.w(TAG, "==> For Activity " + a.info.name); 6918 } 6919 addFilter(intent); 6920 } 6921 } 6922 6923 public final void removeActivity(PackageParser.Activity a, String type) { 6924 mActivities.remove(a.getComponentName()); 6925 if (DEBUG_SHOW_INFO) { 6926 Log.v(TAG, " " + type + " " 6927 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6928 : a.info.name) + ":"); 6929 Log.v(TAG, " Class=" + a.info.name); 6930 } 6931 final int NI = a.intents.size(); 6932 for (int j=0; j<NI; j++) { 6933 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6934 if (DEBUG_SHOW_INFO) { 6935 Log.v(TAG, " IntentFilter:"); 6936 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6937 } 6938 removeFilter(intent); 6939 } 6940 } 6941 6942 @Override 6943 protected boolean allowFilterResult( 6944 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6945 ActivityInfo filterAi = filter.activity.info; 6946 for (int i=dest.size()-1; i>=0; i--) { 6947 ActivityInfo destAi = dest.get(i).activityInfo; 6948 if (destAi.name == filterAi.name 6949 && destAi.packageName == filterAi.packageName) { 6950 return false; 6951 } 6952 } 6953 return true; 6954 } 6955 6956 @Override 6957 protected ActivityIntentInfo[] newArray(int size) { 6958 return new ActivityIntentInfo[size]; 6959 } 6960 6961 @Override 6962 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6963 if (!sUserManager.exists(userId)) return true; 6964 PackageParser.Package p = filter.activity.owner; 6965 if (p != null) { 6966 PackageSetting ps = (PackageSetting)p.mExtras; 6967 if (ps != null) { 6968 // System apps are never considered stopped for purposes of 6969 // filtering, because there may be no way for the user to 6970 // actually re-launch them. 6971 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6972 && ps.getStopped(userId); 6973 } 6974 } 6975 return false; 6976 } 6977 6978 @Override 6979 protected boolean isPackageForFilter(String packageName, 6980 PackageParser.ActivityIntentInfo info) { 6981 return packageName.equals(info.activity.owner.packageName); 6982 } 6983 6984 @Override 6985 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6986 int match, int userId) { 6987 if (!sUserManager.exists(userId)) return null; 6988 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6989 return null; 6990 } 6991 final PackageParser.Activity activity = info.activity; 6992 if (mSafeMode && (activity.info.applicationInfo.flags 6993 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6994 return null; 6995 } 6996 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6997 if (ps == null) { 6998 return null; 6999 } 7000 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7001 ps.readUserState(userId), userId); 7002 if (ai == null) { 7003 return null; 7004 } 7005 final ResolveInfo res = new ResolveInfo(); 7006 res.activityInfo = ai; 7007 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7008 res.filter = info; 7009 } 7010 res.priority = info.getPriority(); 7011 res.preferredOrder = activity.owner.mPreferredOrder; 7012 //System.out.println("Result: " + res.activityInfo.className + 7013 // " = " + res.priority); 7014 res.match = match; 7015 res.isDefault = info.hasDefault; 7016 res.labelRes = info.labelRes; 7017 res.nonLocalizedLabel = info.nonLocalizedLabel; 7018 res.icon = info.icon; 7019 res.system = isSystemApp(res.activityInfo.applicationInfo); 7020 return res; 7021 } 7022 7023 @Override 7024 protected void sortResults(List<ResolveInfo> results) { 7025 Collections.sort(results, mResolvePrioritySorter); 7026 } 7027 7028 @Override 7029 protected void dumpFilter(PrintWriter out, String prefix, 7030 PackageParser.ActivityIntentInfo filter) { 7031 out.print(prefix); out.print( 7032 Integer.toHexString(System.identityHashCode(filter.activity))); 7033 out.print(' '); 7034 filter.activity.printComponentShortName(out); 7035 out.print(" filter "); 7036 out.println(Integer.toHexString(System.identityHashCode(filter))); 7037 } 7038 7039// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7040// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7041// final List<ResolveInfo> retList = Lists.newArrayList(); 7042// while (i.hasNext()) { 7043// final ResolveInfo resolveInfo = i.next(); 7044// if (isEnabledLP(resolveInfo.activityInfo)) { 7045// retList.add(resolveInfo); 7046// } 7047// } 7048// return retList; 7049// } 7050 7051 // Keys are String (activity class name), values are Activity. 7052 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7053 = new HashMap<ComponentName, PackageParser.Activity>(); 7054 private int mFlags; 7055 } 7056 7057 private final class ServiceIntentResolver 7058 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7059 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7060 boolean defaultOnly, int userId) { 7061 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7062 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7063 } 7064 7065 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7066 int userId) { 7067 if (!sUserManager.exists(userId)) return null; 7068 mFlags = flags; 7069 return super.queryIntent(intent, resolvedType, 7070 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7071 } 7072 7073 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7074 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7075 if (!sUserManager.exists(userId)) return null; 7076 if (packageServices == null) { 7077 return null; 7078 } 7079 mFlags = flags; 7080 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7081 final int N = packageServices.size(); 7082 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7083 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7084 7085 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7086 for (int i = 0; i < N; ++i) { 7087 intentFilters = packageServices.get(i).intents; 7088 if (intentFilters != null && intentFilters.size() > 0) { 7089 PackageParser.ServiceIntentInfo[] array = 7090 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7091 intentFilters.toArray(array); 7092 listCut.add(array); 7093 } 7094 } 7095 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7096 } 7097 7098 public final void addService(PackageParser.Service s) { 7099 mServices.put(s.getComponentName(), s); 7100 if (DEBUG_SHOW_INFO) { 7101 Log.v(TAG, " " 7102 + (s.info.nonLocalizedLabel != null 7103 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7104 Log.v(TAG, " Class=" + s.info.name); 7105 } 7106 final int NI = s.intents.size(); 7107 int j; 7108 for (j=0; j<NI; j++) { 7109 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7110 if (DEBUG_SHOW_INFO) { 7111 Log.v(TAG, " IntentFilter:"); 7112 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7113 } 7114 if (!intent.debugCheck()) { 7115 Log.w(TAG, "==> For Service " + s.info.name); 7116 } 7117 addFilter(intent); 7118 } 7119 } 7120 7121 public final void removeService(PackageParser.Service s) { 7122 mServices.remove(s.getComponentName()); 7123 if (DEBUG_SHOW_INFO) { 7124 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7125 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7126 Log.v(TAG, " Class=" + s.info.name); 7127 } 7128 final int NI = s.intents.size(); 7129 int j; 7130 for (j=0; j<NI; j++) { 7131 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7132 if (DEBUG_SHOW_INFO) { 7133 Log.v(TAG, " IntentFilter:"); 7134 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7135 } 7136 removeFilter(intent); 7137 } 7138 } 7139 7140 @Override 7141 protected boolean allowFilterResult( 7142 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7143 ServiceInfo filterSi = filter.service.info; 7144 for (int i=dest.size()-1; i>=0; i--) { 7145 ServiceInfo destAi = dest.get(i).serviceInfo; 7146 if (destAi.name == filterSi.name 7147 && destAi.packageName == filterSi.packageName) { 7148 return false; 7149 } 7150 } 7151 return true; 7152 } 7153 7154 @Override 7155 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7156 return new PackageParser.ServiceIntentInfo[size]; 7157 } 7158 7159 @Override 7160 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7161 if (!sUserManager.exists(userId)) return true; 7162 PackageParser.Package p = filter.service.owner; 7163 if (p != null) { 7164 PackageSetting ps = (PackageSetting)p.mExtras; 7165 if (ps != null) { 7166 // System apps are never considered stopped for purposes of 7167 // filtering, because there may be no way for the user to 7168 // actually re-launch them. 7169 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7170 && ps.getStopped(userId); 7171 } 7172 } 7173 return false; 7174 } 7175 7176 @Override 7177 protected boolean isPackageForFilter(String packageName, 7178 PackageParser.ServiceIntentInfo info) { 7179 return packageName.equals(info.service.owner.packageName); 7180 } 7181 7182 @Override 7183 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7184 int match, int userId) { 7185 if (!sUserManager.exists(userId)) return null; 7186 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7187 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7188 return null; 7189 } 7190 final PackageParser.Service service = info.service; 7191 if (mSafeMode && (service.info.applicationInfo.flags 7192 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7193 return null; 7194 } 7195 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7196 if (ps == null) { 7197 return null; 7198 } 7199 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7200 ps.readUserState(userId), userId); 7201 if (si == null) { 7202 return null; 7203 } 7204 final ResolveInfo res = new ResolveInfo(); 7205 res.serviceInfo = si; 7206 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7207 res.filter = filter; 7208 } 7209 res.priority = info.getPriority(); 7210 res.preferredOrder = service.owner.mPreferredOrder; 7211 //System.out.println("Result: " + res.activityInfo.className + 7212 // " = " + res.priority); 7213 res.match = match; 7214 res.isDefault = info.hasDefault; 7215 res.labelRes = info.labelRes; 7216 res.nonLocalizedLabel = info.nonLocalizedLabel; 7217 res.icon = info.icon; 7218 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7219 return res; 7220 } 7221 7222 @Override 7223 protected void sortResults(List<ResolveInfo> results) { 7224 Collections.sort(results, mResolvePrioritySorter); 7225 } 7226 7227 @Override 7228 protected void dumpFilter(PrintWriter out, String prefix, 7229 PackageParser.ServiceIntentInfo filter) { 7230 out.print(prefix); out.print( 7231 Integer.toHexString(System.identityHashCode(filter.service))); 7232 out.print(' '); 7233 filter.service.printComponentShortName(out); 7234 out.print(" filter "); 7235 out.println(Integer.toHexString(System.identityHashCode(filter))); 7236 } 7237 7238// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7239// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7240// final List<ResolveInfo> retList = Lists.newArrayList(); 7241// while (i.hasNext()) { 7242// final ResolveInfo resolveInfo = (ResolveInfo) i; 7243// if (isEnabledLP(resolveInfo.serviceInfo)) { 7244// retList.add(resolveInfo); 7245// } 7246// } 7247// return retList; 7248// } 7249 7250 // Keys are String (activity class name), values are Activity. 7251 private final HashMap<ComponentName, PackageParser.Service> mServices 7252 = new HashMap<ComponentName, PackageParser.Service>(); 7253 private int mFlags; 7254 }; 7255 7256 private final class ProviderIntentResolver 7257 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7258 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7259 boolean defaultOnly, int userId) { 7260 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7261 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7262 } 7263 7264 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7265 int userId) { 7266 if (!sUserManager.exists(userId)) 7267 return null; 7268 mFlags = flags; 7269 return super.queryIntent(intent, resolvedType, 7270 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7271 } 7272 7273 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7274 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7275 if (!sUserManager.exists(userId)) 7276 return null; 7277 if (packageProviders == null) { 7278 return null; 7279 } 7280 mFlags = flags; 7281 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7282 final int N = packageProviders.size(); 7283 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7284 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7285 7286 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7287 for (int i = 0; i < N; ++i) { 7288 intentFilters = packageProviders.get(i).intents; 7289 if (intentFilters != null && intentFilters.size() > 0) { 7290 PackageParser.ProviderIntentInfo[] array = 7291 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7292 intentFilters.toArray(array); 7293 listCut.add(array); 7294 } 7295 } 7296 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7297 } 7298 7299 public final void addProvider(PackageParser.Provider p) { 7300 if (mProviders.containsKey(p.getComponentName())) { 7301 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7302 return; 7303 } 7304 7305 mProviders.put(p.getComponentName(), p); 7306 if (DEBUG_SHOW_INFO) { 7307 Log.v(TAG, " " 7308 + (p.info.nonLocalizedLabel != null 7309 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7310 Log.v(TAG, " Class=" + p.info.name); 7311 } 7312 final int NI = p.intents.size(); 7313 int j; 7314 for (j = 0; j < NI; j++) { 7315 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7316 if (DEBUG_SHOW_INFO) { 7317 Log.v(TAG, " IntentFilter:"); 7318 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7319 } 7320 if (!intent.debugCheck()) { 7321 Log.w(TAG, "==> For Provider " + p.info.name); 7322 } 7323 addFilter(intent); 7324 } 7325 } 7326 7327 public final void removeProvider(PackageParser.Provider p) { 7328 mProviders.remove(p.getComponentName()); 7329 if (DEBUG_SHOW_INFO) { 7330 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7331 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7332 Log.v(TAG, " Class=" + p.info.name); 7333 } 7334 final int NI = p.intents.size(); 7335 int j; 7336 for (j = 0; j < NI; j++) { 7337 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7338 if (DEBUG_SHOW_INFO) { 7339 Log.v(TAG, " IntentFilter:"); 7340 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7341 } 7342 removeFilter(intent); 7343 } 7344 } 7345 7346 @Override 7347 protected boolean allowFilterResult( 7348 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7349 ProviderInfo filterPi = filter.provider.info; 7350 for (int i = dest.size() - 1; i >= 0; i--) { 7351 ProviderInfo destPi = dest.get(i).providerInfo; 7352 if (destPi.name == filterPi.name 7353 && destPi.packageName == filterPi.packageName) { 7354 return false; 7355 } 7356 } 7357 return true; 7358 } 7359 7360 @Override 7361 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7362 return new PackageParser.ProviderIntentInfo[size]; 7363 } 7364 7365 @Override 7366 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7367 if (!sUserManager.exists(userId)) 7368 return true; 7369 PackageParser.Package p = filter.provider.owner; 7370 if (p != null) { 7371 PackageSetting ps = (PackageSetting) p.mExtras; 7372 if (ps != null) { 7373 // System apps are never considered stopped for purposes of 7374 // filtering, because there may be no way for the user to 7375 // actually re-launch them. 7376 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7377 && ps.getStopped(userId); 7378 } 7379 } 7380 return false; 7381 } 7382 7383 @Override 7384 protected boolean isPackageForFilter(String packageName, 7385 PackageParser.ProviderIntentInfo info) { 7386 return packageName.equals(info.provider.owner.packageName); 7387 } 7388 7389 @Override 7390 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7391 int match, int userId) { 7392 if (!sUserManager.exists(userId)) 7393 return null; 7394 final PackageParser.ProviderIntentInfo info = filter; 7395 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7396 return null; 7397 } 7398 final PackageParser.Provider provider = info.provider; 7399 if (mSafeMode && (provider.info.applicationInfo.flags 7400 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7401 return null; 7402 } 7403 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7404 if (ps == null) { 7405 return null; 7406 } 7407 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7408 ps.readUserState(userId), userId); 7409 if (pi == null) { 7410 return null; 7411 } 7412 final ResolveInfo res = new ResolveInfo(); 7413 res.providerInfo = pi; 7414 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7415 res.filter = filter; 7416 } 7417 res.priority = info.getPriority(); 7418 res.preferredOrder = provider.owner.mPreferredOrder; 7419 res.match = match; 7420 res.isDefault = info.hasDefault; 7421 res.labelRes = info.labelRes; 7422 res.nonLocalizedLabel = info.nonLocalizedLabel; 7423 res.icon = info.icon; 7424 res.system = isSystemApp(res.providerInfo.applicationInfo); 7425 return res; 7426 } 7427 7428 @Override 7429 protected void sortResults(List<ResolveInfo> results) { 7430 Collections.sort(results, mResolvePrioritySorter); 7431 } 7432 7433 @Override 7434 protected void dumpFilter(PrintWriter out, String prefix, 7435 PackageParser.ProviderIntentInfo filter) { 7436 out.print(prefix); 7437 out.print( 7438 Integer.toHexString(System.identityHashCode(filter.provider))); 7439 out.print(' '); 7440 filter.provider.printComponentShortName(out); 7441 out.print(" filter "); 7442 out.println(Integer.toHexString(System.identityHashCode(filter))); 7443 } 7444 7445 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7446 = new HashMap<ComponentName, PackageParser.Provider>(); 7447 private int mFlags; 7448 }; 7449 7450 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7451 new Comparator<ResolveInfo>() { 7452 public int compare(ResolveInfo r1, ResolveInfo r2) { 7453 int v1 = r1.priority; 7454 int v2 = r2.priority; 7455 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7456 if (v1 != v2) { 7457 return (v1 > v2) ? -1 : 1; 7458 } 7459 v1 = r1.preferredOrder; 7460 v2 = r2.preferredOrder; 7461 if (v1 != v2) { 7462 return (v1 > v2) ? -1 : 1; 7463 } 7464 if (r1.isDefault != r2.isDefault) { 7465 return r1.isDefault ? -1 : 1; 7466 } 7467 v1 = r1.match; 7468 v2 = r2.match; 7469 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7470 if (v1 != v2) { 7471 return (v1 > v2) ? -1 : 1; 7472 } 7473 if (r1.system != r2.system) { 7474 return r1.system ? -1 : 1; 7475 } 7476 return 0; 7477 } 7478 }; 7479 7480 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7481 new Comparator<ProviderInfo>() { 7482 public int compare(ProviderInfo p1, ProviderInfo p2) { 7483 final int v1 = p1.initOrder; 7484 final int v2 = p2.initOrder; 7485 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7486 } 7487 }; 7488 7489 static final void sendPackageBroadcast(String action, String pkg, 7490 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7491 int[] userIds) { 7492 IActivityManager am = ActivityManagerNative.getDefault(); 7493 if (am != null) { 7494 try { 7495 if (userIds == null) { 7496 userIds = am.getRunningUserIds(); 7497 } 7498 for (int id : userIds) { 7499 final Intent intent = new Intent(action, 7500 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7501 if (extras != null) { 7502 intent.putExtras(extras); 7503 } 7504 if (targetPkg != null) { 7505 intent.setPackage(targetPkg); 7506 } 7507 // Modify the UID when posting to other users 7508 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7509 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7510 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7511 intent.putExtra(Intent.EXTRA_UID, uid); 7512 } 7513 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7514 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7515 if (DEBUG_BROADCASTS) { 7516 RuntimeException here = new RuntimeException("here"); 7517 here.fillInStackTrace(); 7518 Slog.d(TAG, "Sending to user " + id + ": " 7519 + intent.toShortString(false, true, false, false) 7520 + " " + intent.getExtras(), here); 7521 } 7522 am.broadcastIntent(null, intent, null, finishedReceiver, 7523 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7524 finishedReceiver != null, false, id); 7525 } 7526 } catch (RemoteException ex) { 7527 } 7528 } 7529 } 7530 7531 /** 7532 * Check if the external storage media is available. This is true if there 7533 * is a mounted external storage medium or if the external storage is 7534 * emulated. 7535 */ 7536 private boolean isExternalMediaAvailable() { 7537 return mMediaMounted || Environment.isExternalStorageEmulated(); 7538 } 7539 7540 @Override 7541 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7542 // writer 7543 synchronized (mPackages) { 7544 if (!isExternalMediaAvailable()) { 7545 // If the external storage is no longer mounted at this point, 7546 // the caller may not have been able to delete all of this 7547 // packages files and can not delete any more. Bail. 7548 return null; 7549 } 7550 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7551 if (lastPackage != null) { 7552 pkgs.remove(lastPackage); 7553 } 7554 if (pkgs.size() > 0) { 7555 return pkgs.get(0); 7556 } 7557 } 7558 return null; 7559 } 7560 7561 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7562 if (false) { 7563 RuntimeException here = new RuntimeException("here"); 7564 here.fillInStackTrace(); 7565 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7566 + " andCode=" + andCode, here); 7567 } 7568 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7569 userId, andCode ? 1 : 0, packageName)); 7570 } 7571 7572 void startCleaningPackages() { 7573 // reader 7574 synchronized (mPackages) { 7575 if (!isExternalMediaAvailable()) { 7576 return; 7577 } 7578 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7579 return; 7580 } 7581 } 7582 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7583 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7584 IActivityManager am = ActivityManagerNative.getDefault(); 7585 if (am != null) { 7586 try { 7587 am.startService(null, intent, null, UserHandle.USER_OWNER); 7588 } catch (RemoteException e) { 7589 } 7590 } 7591 } 7592 7593 private final class AppDirObserver extends FileObserver { 7594 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7595 super(path, mask); 7596 mRootDir = path; 7597 mIsRom = isrom; 7598 mIsPrivileged = isPrivileged; 7599 } 7600 7601 public void onEvent(int event, String path) { 7602 String removedPackage = null; 7603 int removedAppId = -1; 7604 int[] removedUsers = null; 7605 String addedPackage = null; 7606 int addedAppId = -1; 7607 int[] addedUsers = null; 7608 7609 // TODO post a message to the handler to obtain serial ordering 7610 synchronized (mInstallLock) { 7611 String fullPathStr = null; 7612 File fullPath = null; 7613 if (path != null) { 7614 fullPath = new File(mRootDir, path); 7615 fullPathStr = fullPath.getPath(); 7616 } 7617 7618 if (DEBUG_APP_DIR_OBSERVER) 7619 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7620 7621 if (!isPackageFilename(path)) { 7622 if (DEBUG_APP_DIR_OBSERVER) 7623 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7624 return; 7625 } 7626 7627 // Ignore packages that are being installed or 7628 // have just been installed. 7629 if (ignoreCodePath(fullPathStr)) { 7630 return; 7631 } 7632 PackageParser.Package p = null; 7633 PackageSetting ps = null; 7634 // reader 7635 synchronized (mPackages) { 7636 p = mAppDirs.get(fullPathStr); 7637 if (p != null) { 7638 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7639 if (ps != null) { 7640 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7641 } else { 7642 removedUsers = sUserManager.getUserIds(); 7643 } 7644 } 7645 addedUsers = sUserManager.getUserIds(); 7646 } 7647 if ((event&REMOVE_EVENTS) != 0) { 7648 if (ps != null) { 7649 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7650 removePackageLI(ps, true); 7651 removedPackage = ps.name; 7652 removedAppId = ps.appId; 7653 } 7654 } 7655 7656 if ((event&ADD_EVENTS) != 0) { 7657 if (p == null) { 7658 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7659 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7660 if (mIsRom) { 7661 flags |= PackageParser.PARSE_IS_SYSTEM 7662 | PackageParser.PARSE_IS_SYSTEM_DIR; 7663 if (mIsPrivileged) { 7664 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7665 } 7666 } 7667 p = scanPackageLI(fullPath, flags, 7668 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7669 System.currentTimeMillis(), UserHandle.ALL, null); 7670 if (p != null) { 7671 /* 7672 * TODO this seems dangerous as the package may have 7673 * changed since we last acquired the mPackages 7674 * lock. 7675 */ 7676 // writer 7677 synchronized (mPackages) { 7678 updatePermissionsLPw(p.packageName, p, 7679 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7680 } 7681 addedPackage = p.applicationInfo.packageName; 7682 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7683 } 7684 } 7685 } 7686 7687 // reader 7688 synchronized (mPackages) { 7689 mSettings.writeLPr(); 7690 } 7691 } 7692 7693 if (removedPackage != null) { 7694 Bundle extras = new Bundle(1); 7695 extras.putInt(Intent.EXTRA_UID, removedAppId); 7696 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7697 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7698 extras, null, null, removedUsers); 7699 } 7700 if (addedPackage != null) { 7701 Bundle extras = new Bundle(1); 7702 extras.putInt(Intent.EXTRA_UID, addedAppId); 7703 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7704 extras, null, null, addedUsers); 7705 } 7706 } 7707 7708 private final String mRootDir; 7709 private final boolean mIsRom; 7710 private final boolean mIsPrivileged; 7711 } 7712 7713 /* 7714 * The old-style observer methods all just trampoline to the newer signature with 7715 * expanded install observer API. The older API continues to work but does not 7716 * supply the additional details of the Observer2 API. 7717 */ 7718 7719 /* Called when a downloaded package installation has been confirmed by the user */ 7720 public void installPackage( 7721 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7722 installPackageEtc(packageURI, observer, null, flags, null); 7723 } 7724 7725 /* Called when a downloaded package installation has been confirmed by the user */ 7726 @Override 7727 public void installPackage( 7728 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7729 final String installerPackageName) { 7730 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7731 installerPackageName, null, null, null); 7732 } 7733 7734 @Override 7735 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7736 int flags, String installerPackageName, Uri verificationURI, 7737 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7738 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7739 VerificationParams.NO_UID, manifestDigest); 7740 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7741 installerPackageName, verificationParams, encryptionParams); 7742 } 7743 7744 @Override 7745 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7746 IPackageInstallObserver observer, int flags, String installerPackageName, 7747 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7748 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7749 installerPackageName, verificationParams, encryptionParams); 7750 } 7751 7752 /* 7753 * And here are the "live" versions that take both observer arguments 7754 */ 7755 public void installPackageEtc( 7756 final Uri packageURI, final IPackageInstallObserver observer, 7757 IPackageInstallObserver2 observer2, final int flags) { 7758 installPackageEtc(packageURI, observer, observer2, flags, null); 7759 } 7760 7761 public void installPackageEtc( 7762 final Uri packageURI, final IPackageInstallObserver observer, 7763 final IPackageInstallObserver2 observer2, final int flags, 7764 final String installerPackageName) { 7765 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7766 installerPackageName, null, null, null); 7767 } 7768 7769 @Override 7770 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7771 IPackageInstallObserver2 observer2, 7772 int flags, String installerPackageName, Uri verificationURI, 7773 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7774 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7775 VerificationParams.NO_UID, manifestDigest); 7776 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7777 installerPackageName, verificationParams, encryptionParams); 7778 } 7779 7780 /* 7781 * All of the installPackage...*() methods redirect to this one for the master implementation 7782 */ 7783 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7784 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7785 int flags, String installerPackageName, 7786 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7787 if (observer == null && observer2 == null) { 7788 throw new IllegalArgumentException("No install observer supplied"); 7789 } 7790 installPackageWithVerificationEncryptionAndAbiOverrideEtc(packageURI, observer, observer2, 7791 flags, installerPackageName, verificationParams, encryptionParams, null); 7792 } 7793 7794 @Override 7795 public void installPackageWithVerificationEncryptionAndAbiOverrideEtc(Uri packageURI, 7796 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7797 int flags, String installerPackageName, 7798 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7799 String packageAbiOverride) { 7800 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7801 null); 7802 7803 final int uid = Binder.getCallingUid(); 7804 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7805 try { 7806 if (observer != null) { 7807 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7808 } 7809 if (observer2 != null) { 7810 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7811 } 7812 } catch (RemoteException re) { 7813 } 7814 return; 7815 } 7816 7817 UserHandle user; 7818 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7819 user = UserHandle.ALL; 7820 } else { 7821 user = new UserHandle(UserHandle.getUserId(uid)); 7822 } 7823 7824 final int filteredFlags; 7825 7826 if (uid == Process.SHELL_UID || uid == 0) { 7827 if (DEBUG_INSTALL) { 7828 Slog.v(TAG, "Install from ADB"); 7829 } 7830 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7831 } else { 7832 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7833 } 7834 7835 verificationParams.setInstallerUid(uid); 7836 7837 final Message msg = mHandler.obtainMessage(INIT_COPY); 7838 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7839 installerPackageName, verificationParams, encryptionParams, user, 7840 packageAbiOverride); 7841 mHandler.sendMessage(msg); 7842 } 7843 7844 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7845 Bundle extras = new Bundle(1); 7846 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7847 7848 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7849 packageName, extras, null, null, new int[] {userId}); 7850 try { 7851 IActivityManager am = ActivityManagerNative.getDefault(); 7852 final boolean isSystem = 7853 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7854 if (isSystem && am.isUserRunning(userId, false)) { 7855 // The just-installed/enabled app is bundled on the system, so presumed 7856 // to be able to run automatically without needing an explicit launch. 7857 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7858 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7859 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7860 .setPackage(packageName); 7861 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7862 android.app.AppOpsManager.OP_NONE, false, false, userId); 7863 } 7864 } catch (RemoteException e) { 7865 // shouldn't happen 7866 Slog.w(TAG, "Unable to bootstrap installed package", e); 7867 } 7868 } 7869 7870 @Override 7871 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7872 int userId) { 7873 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7874 PackageSetting pkgSetting; 7875 final int uid = Binder.getCallingUid(); 7876 if (UserHandle.getUserId(uid) != userId) { 7877 mContext.enforceCallingOrSelfPermission( 7878 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7879 "setApplicationBlockedSetting for user " + userId); 7880 } 7881 7882 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7883 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7884 return false; 7885 } 7886 7887 long callingId = Binder.clearCallingIdentity(); 7888 try { 7889 boolean sendAdded = false; 7890 boolean sendRemoved = false; 7891 // writer 7892 synchronized (mPackages) { 7893 pkgSetting = mSettings.mPackages.get(packageName); 7894 if (pkgSetting == null) { 7895 return false; 7896 } 7897 if (pkgSetting.getBlocked(userId) != blocked) { 7898 pkgSetting.setBlocked(blocked, userId); 7899 mSettings.writePackageRestrictionsLPr(userId); 7900 if (blocked) { 7901 sendRemoved = true; 7902 } else { 7903 sendAdded = true; 7904 } 7905 } 7906 } 7907 if (sendAdded) { 7908 sendPackageAddedForUser(packageName, pkgSetting, userId); 7909 return true; 7910 } 7911 if (sendRemoved) { 7912 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7913 "blocking pkg"); 7914 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7915 } 7916 } finally { 7917 Binder.restoreCallingIdentity(callingId); 7918 } 7919 return false; 7920 } 7921 7922 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7923 int userId) { 7924 final PackageRemovedInfo info = new PackageRemovedInfo(); 7925 info.removedPackage = packageName; 7926 info.removedUsers = new int[] {userId}; 7927 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7928 info.sendBroadcast(false, false, false); 7929 } 7930 7931 /** 7932 * Returns true if application is not found or there was an error. Otherwise it returns 7933 * the blocked state of the package for the given user. 7934 */ 7935 @Override 7936 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7937 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7938 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7939 "getApplicationBlocked for user " + userId); 7940 PackageSetting pkgSetting; 7941 long callingId = Binder.clearCallingIdentity(); 7942 try { 7943 // writer 7944 synchronized (mPackages) { 7945 pkgSetting = mSettings.mPackages.get(packageName); 7946 if (pkgSetting == null) { 7947 return true; 7948 } 7949 return pkgSetting.getBlocked(userId); 7950 } 7951 } finally { 7952 Binder.restoreCallingIdentity(callingId); 7953 } 7954 } 7955 7956 void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer, 7957 int flags) { 7958 // TODO: install stage! 7959 try { 7960 observer.packageInstalled(basePackageName, null, 7961 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7962 } catch (RemoteException ignored) { 7963 } 7964 } 7965 7966 /** 7967 * @hide 7968 */ 7969 @Override 7970 public int installExistingPackageAsUser(String packageName, int userId) { 7971 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7972 null); 7973 PackageSetting pkgSetting; 7974 final int uid = Binder.getCallingUid(); 7975 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7976 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7977 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7978 } 7979 7980 long callingId = Binder.clearCallingIdentity(); 7981 try { 7982 boolean sendAdded = false; 7983 Bundle extras = new Bundle(1); 7984 7985 // writer 7986 synchronized (mPackages) { 7987 pkgSetting = mSettings.mPackages.get(packageName); 7988 if (pkgSetting == null) { 7989 return PackageManager.INSTALL_FAILED_INVALID_URI; 7990 } 7991 if (!pkgSetting.getInstalled(userId)) { 7992 pkgSetting.setInstalled(true, userId); 7993 pkgSetting.setBlocked(false, userId); 7994 mSettings.writePackageRestrictionsLPr(userId); 7995 sendAdded = true; 7996 } 7997 } 7998 7999 if (sendAdded) { 8000 sendPackageAddedForUser(packageName, pkgSetting, userId); 8001 } 8002 } finally { 8003 Binder.restoreCallingIdentity(callingId); 8004 } 8005 8006 return PackageManager.INSTALL_SUCCEEDED; 8007 } 8008 8009 boolean isUserRestricted(int userId, String restrictionKey) { 8010 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8011 if (restrictions.getBoolean(restrictionKey, false)) { 8012 Log.w(TAG, "User is restricted: " + restrictionKey); 8013 return true; 8014 } 8015 return false; 8016 } 8017 8018 @Override 8019 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8020 mContext.enforceCallingOrSelfPermission( 8021 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8022 "Only package verification agents can verify applications"); 8023 8024 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8025 final PackageVerificationResponse response = new PackageVerificationResponse( 8026 verificationCode, Binder.getCallingUid()); 8027 msg.arg1 = id; 8028 msg.obj = response; 8029 mHandler.sendMessage(msg); 8030 } 8031 8032 @Override 8033 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8034 long millisecondsToDelay) { 8035 mContext.enforceCallingOrSelfPermission( 8036 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8037 "Only package verification agents can extend verification timeouts"); 8038 8039 final PackageVerificationState state = mPendingVerification.get(id); 8040 final PackageVerificationResponse response = new PackageVerificationResponse( 8041 verificationCodeAtTimeout, Binder.getCallingUid()); 8042 8043 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8044 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8045 } 8046 if (millisecondsToDelay < 0) { 8047 millisecondsToDelay = 0; 8048 } 8049 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8050 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8051 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8052 } 8053 8054 if ((state != null) && !state.timeoutExtended()) { 8055 state.extendTimeout(); 8056 8057 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8058 msg.arg1 = id; 8059 msg.obj = response; 8060 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8061 } 8062 } 8063 8064 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8065 int verificationCode, UserHandle user) { 8066 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8067 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8068 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8069 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8070 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8071 8072 mContext.sendBroadcastAsUser(intent, user, 8073 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8074 } 8075 8076 private ComponentName matchComponentForVerifier(String packageName, 8077 List<ResolveInfo> receivers) { 8078 ActivityInfo targetReceiver = null; 8079 8080 final int NR = receivers.size(); 8081 for (int i = 0; i < NR; i++) { 8082 final ResolveInfo info = receivers.get(i); 8083 if (info.activityInfo == null) { 8084 continue; 8085 } 8086 8087 if (packageName.equals(info.activityInfo.packageName)) { 8088 targetReceiver = info.activityInfo; 8089 break; 8090 } 8091 } 8092 8093 if (targetReceiver == null) { 8094 return null; 8095 } 8096 8097 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8098 } 8099 8100 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8101 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8102 if (pkgInfo.verifiers.length == 0) { 8103 return null; 8104 } 8105 8106 final int N = pkgInfo.verifiers.length; 8107 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8108 for (int i = 0; i < N; i++) { 8109 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8110 8111 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8112 receivers); 8113 if (comp == null) { 8114 continue; 8115 } 8116 8117 final int verifierUid = getUidForVerifier(verifierInfo); 8118 if (verifierUid == -1) { 8119 continue; 8120 } 8121 8122 if (DEBUG_VERIFY) { 8123 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8124 + " with the correct signature"); 8125 } 8126 sufficientVerifiers.add(comp); 8127 verificationState.addSufficientVerifier(verifierUid); 8128 } 8129 8130 return sufficientVerifiers; 8131 } 8132 8133 private int getUidForVerifier(VerifierInfo verifierInfo) { 8134 synchronized (mPackages) { 8135 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8136 if (pkg == null) { 8137 return -1; 8138 } else if (pkg.mSignatures.length != 1) { 8139 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8140 + " has more than one signature; ignoring"); 8141 return -1; 8142 } 8143 8144 /* 8145 * If the public key of the package's signature does not match 8146 * our expected public key, then this is a different package and 8147 * we should skip. 8148 */ 8149 8150 final byte[] expectedPublicKey; 8151 try { 8152 final Signature verifierSig = pkg.mSignatures[0]; 8153 final PublicKey publicKey = verifierSig.getPublicKey(); 8154 expectedPublicKey = publicKey.getEncoded(); 8155 } catch (CertificateException e) { 8156 return -1; 8157 } 8158 8159 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8160 8161 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8162 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8163 + " does not have the expected public key; ignoring"); 8164 return -1; 8165 } 8166 8167 return pkg.applicationInfo.uid; 8168 } 8169 } 8170 8171 @Override 8172 public void finishPackageInstall(int token) { 8173 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8174 8175 if (DEBUG_INSTALL) { 8176 Slog.v(TAG, "BM finishing package install for " + token); 8177 } 8178 8179 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8180 mHandler.sendMessage(msg); 8181 } 8182 8183 /** 8184 * Get the verification agent timeout. 8185 * 8186 * @return verification timeout in milliseconds 8187 */ 8188 private long getVerificationTimeout() { 8189 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8190 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8191 DEFAULT_VERIFICATION_TIMEOUT); 8192 } 8193 8194 /** 8195 * Get the default verification agent response code. 8196 * 8197 * @return default verification response code 8198 */ 8199 private int getDefaultVerificationResponse() { 8200 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8201 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8202 DEFAULT_VERIFICATION_RESPONSE); 8203 } 8204 8205 /** 8206 * Check whether or not package verification has been enabled. 8207 * 8208 * @return true if verification should be performed 8209 */ 8210 private boolean isVerificationEnabled(int flags) { 8211 if (!DEFAULT_VERIFY_ENABLE) { 8212 return false; 8213 } 8214 8215 // Check if installing from ADB 8216 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8217 // Do not run verification in a test harness environment 8218 if (ActivityManager.isRunningInTestHarness()) { 8219 return false; 8220 } 8221 // Check if the developer does not want package verification for ADB installs 8222 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8223 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8224 return false; 8225 } 8226 } 8227 8228 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8229 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8230 } 8231 8232 /** 8233 * Get the "allow unknown sources" setting. 8234 * 8235 * @return the current "allow unknown sources" setting 8236 */ 8237 private int getUnknownSourcesSettings() { 8238 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8239 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8240 -1); 8241 } 8242 8243 @Override 8244 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8245 final int uid = Binder.getCallingUid(); 8246 // writer 8247 synchronized (mPackages) { 8248 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8249 if (targetPackageSetting == null) { 8250 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8251 } 8252 8253 PackageSetting installerPackageSetting; 8254 if (installerPackageName != null) { 8255 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8256 if (installerPackageSetting == null) { 8257 throw new IllegalArgumentException("Unknown installer package: " 8258 + installerPackageName); 8259 } 8260 } else { 8261 installerPackageSetting = null; 8262 } 8263 8264 Signature[] callerSignature; 8265 Object obj = mSettings.getUserIdLPr(uid); 8266 if (obj != null) { 8267 if (obj instanceof SharedUserSetting) { 8268 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8269 } else if (obj instanceof PackageSetting) { 8270 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8271 } else { 8272 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8273 } 8274 } else { 8275 throw new SecurityException("Unknown calling uid " + uid); 8276 } 8277 8278 // Verify: can't set installerPackageName to a package that is 8279 // not signed with the same cert as the caller. 8280 if (installerPackageSetting != null) { 8281 if (compareSignatures(callerSignature, 8282 installerPackageSetting.signatures.mSignatures) 8283 != PackageManager.SIGNATURE_MATCH) { 8284 throw new SecurityException( 8285 "Caller does not have same cert as new installer package " 8286 + installerPackageName); 8287 } 8288 } 8289 8290 // Verify: if target already has an installer package, it must 8291 // be signed with the same cert as the caller. 8292 if (targetPackageSetting.installerPackageName != null) { 8293 PackageSetting setting = mSettings.mPackages.get( 8294 targetPackageSetting.installerPackageName); 8295 // If the currently set package isn't valid, then it's always 8296 // okay to change it. 8297 if (setting != null) { 8298 if (compareSignatures(callerSignature, 8299 setting.signatures.mSignatures) 8300 != PackageManager.SIGNATURE_MATCH) { 8301 throw new SecurityException( 8302 "Caller does not have same cert as old installer package " 8303 + targetPackageSetting.installerPackageName); 8304 } 8305 } 8306 } 8307 8308 // Okay! 8309 targetPackageSetting.installerPackageName = installerPackageName; 8310 scheduleWriteSettingsLocked(); 8311 } 8312 } 8313 8314 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8315 // Queue up an async operation since the package installation may take a little while. 8316 mHandler.post(new Runnable() { 8317 public void run() { 8318 mHandler.removeCallbacks(this); 8319 // Result object to be returned 8320 PackageInstalledInfo res = new PackageInstalledInfo(); 8321 res.returnCode = currentStatus; 8322 res.uid = -1; 8323 res.pkg = null; 8324 res.removedInfo = new PackageRemovedInfo(); 8325 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8326 args.doPreInstall(res.returnCode); 8327 synchronized (mInstallLock) { 8328 installPackageLI(args, true, res); 8329 } 8330 args.doPostInstall(res.returnCode, res.uid); 8331 } 8332 8333 // A restore should be performed at this point if (a) the install 8334 // succeeded, (b) the operation is not an update, and (c) the new 8335 // package has a backupAgent defined. 8336 final boolean update = res.removedInfo.removedPackage != null; 8337 boolean doRestore = (!update 8338 && res.pkg != null 8339 && res.pkg.applicationInfo.backupAgentName != null); 8340 8341 // Set up the post-install work request bookkeeping. This will be used 8342 // and cleaned up by the post-install event handling regardless of whether 8343 // there's a restore pass performed. Token values are >= 1. 8344 int token; 8345 if (mNextInstallToken < 0) mNextInstallToken = 1; 8346 token = mNextInstallToken++; 8347 8348 PostInstallData data = new PostInstallData(args, res); 8349 mRunningInstalls.put(token, data); 8350 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8351 8352 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8353 // Pass responsibility to the Backup Manager. It will perform a 8354 // restore if appropriate, then pass responsibility back to the 8355 // Package Manager to run the post-install observer callbacks 8356 // and broadcasts. 8357 IBackupManager bm = IBackupManager.Stub.asInterface( 8358 ServiceManager.getService(Context.BACKUP_SERVICE)); 8359 if (bm != null) { 8360 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8361 + " to BM for possible restore"); 8362 try { 8363 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8364 } catch (RemoteException e) { 8365 // can't happen; the backup manager is local 8366 } catch (Exception e) { 8367 Slog.e(TAG, "Exception trying to enqueue restore", e); 8368 doRestore = false; 8369 } 8370 } else { 8371 Slog.e(TAG, "Backup Manager not found!"); 8372 doRestore = false; 8373 } 8374 } 8375 8376 if (!doRestore) { 8377 // No restore possible, or the Backup Manager was mysteriously not 8378 // available -- just fire the post-install work request directly. 8379 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8380 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8381 mHandler.sendMessage(msg); 8382 } 8383 } 8384 }); 8385 } 8386 8387 private abstract class HandlerParams { 8388 private static final int MAX_RETRIES = 4; 8389 8390 /** 8391 * Number of times startCopy() has been attempted and had a non-fatal 8392 * error. 8393 */ 8394 private int mRetries = 0; 8395 8396 /** User handle for the user requesting the information or installation. */ 8397 private final UserHandle mUser; 8398 8399 HandlerParams(UserHandle user) { 8400 mUser = user; 8401 } 8402 8403 UserHandle getUser() { 8404 return mUser; 8405 } 8406 8407 final boolean startCopy() { 8408 boolean res; 8409 try { 8410 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8411 8412 if (++mRetries > MAX_RETRIES) { 8413 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8414 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8415 handleServiceError(); 8416 return false; 8417 } else { 8418 handleStartCopy(); 8419 res = true; 8420 } 8421 } catch (RemoteException e) { 8422 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8423 mHandler.sendEmptyMessage(MCS_RECONNECT); 8424 res = false; 8425 } 8426 handleReturnCode(); 8427 return res; 8428 } 8429 8430 final void serviceError() { 8431 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8432 handleServiceError(); 8433 handleReturnCode(); 8434 } 8435 8436 abstract void handleStartCopy() throws RemoteException; 8437 abstract void handleServiceError(); 8438 abstract void handleReturnCode(); 8439 } 8440 8441 class MeasureParams extends HandlerParams { 8442 private final PackageStats mStats; 8443 private boolean mSuccess; 8444 8445 private final IPackageStatsObserver mObserver; 8446 8447 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8448 super(new UserHandle(stats.userHandle)); 8449 mObserver = observer; 8450 mStats = stats; 8451 } 8452 8453 @Override 8454 public String toString() { 8455 return "MeasureParams{" 8456 + Integer.toHexString(System.identityHashCode(this)) 8457 + " " + mStats.packageName + "}"; 8458 } 8459 8460 @Override 8461 void handleStartCopy() throws RemoteException { 8462 synchronized (mInstallLock) { 8463 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8464 } 8465 8466 if (mSuccess) { 8467 final boolean mounted; 8468 if (Environment.isExternalStorageEmulated()) { 8469 mounted = true; 8470 } else { 8471 final String status = Environment.getExternalStorageState(); 8472 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8473 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8474 } 8475 8476 if (mounted) { 8477 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8478 8479 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8480 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8481 8482 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8483 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8484 8485 // Always subtract cache size, since it's a subdirectory 8486 mStats.externalDataSize -= mStats.externalCacheSize; 8487 8488 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8489 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8490 8491 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8492 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8493 } 8494 } 8495 } 8496 8497 @Override 8498 void handleReturnCode() { 8499 if (mObserver != null) { 8500 try { 8501 mObserver.onGetStatsCompleted(mStats, mSuccess); 8502 } catch (RemoteException e) { 8503 Slog.i(TAG, "Observer no longer exists."); 8504 } 8505 } 8506 } 8507 8508 @Override 8509 void handleServiceError() { 8510 Slog.e(TAG, "Could not measure application " + mStats.packageName 8511 + " external storage"); 8512 } 8513 } 8514 8515 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8516 throws RemoteException { 8517 long result = 0; 8518 for (File path : paths) { 8519 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8520 } 8521 return result; 8522 } 8523 8524 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8525 for (File path : paths) { 8526 try { 8527 mcs.clearDirectory(path.getAbsolutePath()); 8528 } catch (RemoteException e) { 8529 } 8530 } 8531 } 8532 8533 class InstallParams extends HandlerParams { 8534 final IPackageInstallObserver observer; 8535 final IPackageInstallObserver2 observer2; 8536 int flags; 8537 8538 private final Uri mPackageURI; 8539 final String installerPackageName; 8540 final VerificationParams verificationParams; 8541 private InstallArgs mArgs; 8542 private int mRet; 8543 private File mTempPackage; 8544 final ContainerEncryptionParams encryptionParams; 8545 final String packageAbiOverride; 8546 final String packageInstructionSetOverride; 8547 8548 InstallParams(Uri packageURI, 8549 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8550 int flags, String installerPackageName, VerificationParams verificationParams, 8551 ContainerEncryptionParams encryptionParams, UserHandle user, 8552 String packageAbiOverride) { 8553 super(user); 8554 this.mPackageURI = packageURI; 8555 this.flags = flags; 8556 this.observer = observer; 8557 this.observer2 = observer2; 8558 this.installerPackageName = installerPackageName; 8559 this.verificationParams = verificationParams; 8560 this.encryptionParams = encryptionParams; 8561 this.packageAbiOverride = packageAbiOverride; 8562 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8563 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8564 } 8565 8566 @Override 8567 public String toString() { 8568 return "InstallParams{" 8569 + Integer.toHexString(System.identityHashCode(this)) 8570 + " " + mPackageURI + "}"; 8571 } 8572 8573 public ManifestDigest getManifestDigest() { 8574 if (verificationParams == null) { 8575 return null; 8576 } 8577 return verificationParams.getManifestDigest(); 8578 } 8579 8580 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8581 String packageName = pkgLite.packageName; 8582 int installLocation = pkgLite.installLocation; 8583 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8584 // reader 8585 synchronized (mPackages) { 8586 PackageParser.Package pkg = mPackages.get(packageName); 8587 if (pkg != null) { 8588 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8589 // Check for downgrading. 8590 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8591 if (pkgLite.versionCode < pkg.mVersionCode) { 8592 Slog.w(TAG, "Can't install update of " + packageName 8593 + " update version " + pkgLite.versionCode 8594 + " is older than installed version " 8595 + pkg.mVersionCode); 8596 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8597 } 8598 } 8599 // Check for updated system application. 8600 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8601 if (onSd) { 8602 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8603 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8604 } 8605 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8606 } else { 8607 if (onSd) { 8608 // Install flag overrides everything. 8609 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8610 } 8611 // If current upgrade specifies particular preference 8612 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8613 // Application explicitly specified internal. 8614 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8615 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8616 // App explictly prefers external. Let policy decide 8617 } else { 8618 // Prefer previous location 8619 if (isExternal(pkg)) { 8620 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8621 } 8622 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8623 } 8624 } 8625 } else { 8626 // Invalid install. Return error code 8627 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8628 } 8629 } 8630 } 8631 // All the special cases have been taken care of. 8632 // Return result based on recommended install location. 8633 if (onSd) { 8634 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8635 } 8636 return pkgLite.recommendedInstallLocation; 8637 } 8638 8639 private long getMemoryLowThreshold() { 8640 final DeviceStorageMonitorInternal 8641 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8642 if (dsm == null) { 8643 return 0L; 8644 } 8645 return dsm.getMemoryLowThreshold(); 8646 } 8647 8648 /* 8649 * Invoke remote method to get package information and install 8650 * location values. Override install location based on default 8651 * policy if needed and then create install arguments based 8652 * on the install location. 8653 */ 8654 public void handleStartCopy() throws RemoteException { 8655 int ret = PackageManager.INSTALL_SUCCEEDED; 8656 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8657 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8658 PackageInfoLite pkgLite = null; 8659 8660 if (onInt && onSd) { 8661 // Check if both bits are set. 8662 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8663 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8664 } else { 8665 final long lowThreshold = getMemoryLowThreshold(); 8666 if (lowThreshold == 0L) { 8667 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8668 } 8669 8670 try { 8671 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8672 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8673 8674 final File packageFile; 8675 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8676 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8677 if (mTempPackage != null) { 8678 ParcelFileDescriptor out; 8679 try { 8680 out = ParcelFileDescriptor.open(mTempPackage, 8681 ParcelFileDescriptor.MODE_READ_WRITE); 8682 } catch (FileNotFoundException e) { 8683 out = null; 8684 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8685 } 8686 8687 // Make a temporary file for decryption. 8688 ret = mContainerService 8689 .copyResource(mPackageURI, encryptionParams, out); 8690 IoUtils.closeQuietly(out); 8691 8692 packageFile = mTempPackage; 8693 8694 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8695 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8696 | FileUtils.S_IROTH, 8697 -1, -1); 8698 } else { 8699 packageFile = null; 8700 } 8701 } else { 8702 packageFile = new File(mPackageURI.getPath()); 8703 } 8704 8705 if (packageFile != null) { 8706 // Remote call to find out default install location 8707 final String packageFilePath = packageFile.getAbsolutePath(); 8708 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8709 lowThreshold, packageAbiOverride); 8710 8711 /* 8712 * If we have too little free space, try to free cache 8713 * before giving up. 8714 */ 8715 if (pkgLite.recommendedInstallLocation 8716 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8717 final long size = mContainerService.calculateInstalledSize( 8718 packageFilePath, isForwardLocked(), packageAbiOverride); 8719 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8720 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8721 flags, lowThreshold, packageAbiOverride); 8722 } 8723 /* 8724 * The cache free must have deleted the file we 8725 * downloaded to install. 8726 * 8727 * TODO: fix the "freeCache" call to not delete 8728 * the file we care about. 8729 */ 8730 if (pkgLite.recommendedInstallLocation 8731 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8732 pkgLite.recommendedInstallLocation 8733 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8734 } 8735 } 8736 } 8737 } finally { 8738 mContext.revokeUriPermission(mPackageURI, 8739 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8740 } 8741 } 8742 8743 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8744 int loc = pkgLite.recommendedInstallLocation; 8745 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8746 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8747 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8748 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8749 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8750 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8751 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8752 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8753 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8754 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8755 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8756 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8757 } else { 8758 // Override with defaults if needed. 8759 loc = installLocationPolicy(pkgLite, flags); 8760 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8761 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8762 } else if (!onSd && !onInt) { 8763 // Override install location with flags 8764 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8765 // Set the flag to install on external media. 8766 flags |= PackageManager.INSTALL_EXTERNAL; 8767 flags &= ~PackageManager.INSTALL_INTERNAL; 8768 } else { 8769 // Make sure the flag for installing on external 8770 // media is unset 8771 flags |= PackageManager.INSTALL_INTERNAL; 8772 flags &= ~PackageManager.INSTALL_EXTERNAL; 8773 } 8774 } 8775 } 8776 } 8777 8778 final InstallArgs args = createInstallArgs(this); 8779 mArgs = args; 8780 8781 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8782 /* 8783 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8784 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8785 */ 8786 int userIdentifier = getUser().getIdentifier(); 8787 if (userIdentifier == UserHandle.USER_ALL 8788 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8789 userIdentifier = UserHandle.USER_OWNER; 8790 } 8791 8792 /* 8793 * Determine if we have any installed package verifiers. If we 8794 * do, then we'll defer to them to verify the packages. 8795 */ 8796 final int requiredUid = mRequiredVerifierPackage == null ? -1 8797 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8798 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8799 final Intent verification = new Intent( 8800 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8801 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8802 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8803 8804 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8805 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8806 0 /* TODO: Which userId? */); 8807 8808 if (DEBUG_VERIFY) { 8809 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8810 + verification.toString() + " with " + pkgLite.verifiers.length 8811 + " optional verifiers"); 8812 } 8813 8814 final int verificationId = mPendingVerificationToken++; 8815 8816 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8817 8818 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8819 installerPackageName); 8820 8821 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8822 8823 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8824 pkgLite.packageName); 8825 8826 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8827 pkgLite.versionCode); 8828 8829 if (verificationParams != null) { 8830 if (verificationParams.getVerificationURI() != null) { 8831 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8832 verificationParams.getVerificationURI()); 8833 } 8834 if (verificationParams.getOriginatingURI() != null) { 8835 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8836 verificationParams.getOriginatingURI()); 8837 } 8838 if (verificationParams.getReferrer() != null) { 8839 verification.putExtra(Intent.EXTRA_REFERRER, 8840 verificationParams.getReferrer()); 8841 } 8842 if (verificationParams.getOriginatingUid() >= 0) { 8843 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8844 verificationParams.getOriginatingUid()); 8845 } 8846 if (verificationParams.getInstallerUid() >= 0) { 8847 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8848 verificationParams.getInstallerUid()); 8849 } 8850 } 8851 8852 final PackageVerificationState verificationState = new PackageVerificationState( 8853 requiredUid, args); 8854 8855 mPendingVerification.append(verificationId, verificationState); 8856 8857 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8858 receivers, verificationState); 8859 8860 /* 8861 * If any sufficient verifiers were listed in the package 8862 * manifest, attempt to ask them. 8863 */ 8864 if (sufficientVerifiers != null) { 8865 final int N = sufficientVerifiers.size(); 8866 if (N == 0) { 8867 Slog.i(TAG, "Additional verifiers required, but none installed."); 8868 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8869 } else { 8870 for (int i = 0; i < N; i++) { 8871 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8872 8873 final Intent sufficientIntent = new Intent(verification); 8874 sufficientIntent.setComponent(verifierComponent); 8875 8876 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8877 } 8878 } 8879 } 8880 8881 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8882 mRequiredVerifierPackage, receivers); 8883 if (ret == PackageManager.INSTALL_SUCCEEDED 8884 && mRequiredVerifierPackage != null) { 8885 /* 8886 * Send the intent to the required verification agent, 8887 * but only start the verification timeout after the 8888 * target BroadcastReceivers have run. 8889 */ 8890 verification.setComponent(requiredVerifierComponent); 8891 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8892 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8893 new BroadcastReceiver() { 8894 @Override 8895 public void onReceive(Context context, Intent intent) { 8896 final Message msg = mHandler 8897 .obtainMessage(CHECK_PENDING_VERIFICATION); 8898 msg.arg1 = verificationId; 8899 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8900 } 8901 }, null, 0, null, null); 8902 8903 /* 8904 * We don't want the copy to proceed until verification 8905 * succeeds, so null out this field. 8906 */ 8907 mArgs = null; 8908 } 8909 } else { 8910 /* 8911 * No package verification is enabled, so immediately start 8912 * the remote call to initiate copy using temporary file. 8913 */ 8914 ret = args.copyApk(mContainerService, true); 8915 } 8916 } 8917 8918 mRet = ret; 8919 } 8920 8921 @Override 8922 void handleReturnCode() { 8923 // If mArgs is null, then MCS couldn't be reached. When it 8924 // reconnects, it will try again to install. At that point, this 8925 // will succeed. 8926 if (mArgs != null) { 8927 processPendingInstall(mArgs, mRet); 8928 8929 if (mTempPackage != null) { 8930 if (!mTempPackage.delete()) { 8931 Slog.w(TAG, "Couldn't delete temporary file: " + 8932 mTempPackage.getAbsolutePath()); 8933 } 8934 } 8935 } 8936 } 8937 8938 @Override 8939 void handleServiceError() { 8940 mArgs = createInstallArgs(this); 8941 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8942 } 8943 8944 public boolean isForwardLocked() { 8945 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8946 } 8947 8948 public Uri getPackageUri() { 8949 if (mTempPackage != null) { 8950 return Uri.fromFile(mTempPackage); 8951 } else { 8952 return mPackageURI; 8953 } 8954 } 8955 } 8956 8957 /* 8958 * Utility class used in movePackage api. 8959 * srcArgs and targetArgs are not set for invalid flags and make 8960 * sure to do null checks when invoking methods on them. 8961 * We probably want to return ErrorPrams for both failed installs 8962 * and moves. 8963 */ 8964 class MoveParams extends HandlerParams { 8965 final IPackageMoveObserver observer; 8966 final int flags; 8967 final String packageName; 8968 final InstallArgs srcArgs; 8969 final InstallArgs targetArgs; 8970 int uid; 8971 int mRet; 8972 8973 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8974 String packageName, String dataDir, String instructionSet, 8975 int uid, UserHandle user) { 8976 super(user); 8977 this.srcArgs = srcArgs; 8978 this.observer = observer; 8979 this.flags = flags; 8980 this.packageName = packageName; 8981 this.uid = uid; 8982 if (srcArgs != null) { 8983 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8984 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8985 } else { 8986 targetArgs = null; 8987 } 8988 } 8989 8990 @Override 8991 public String toString() { 8992 return "MoveParams{" 8993 + Integer.toHexString(System.identityHashCode(this)) 8994 + " " + packageName + "}"; 8995 } 8996 8997 public void handleStartCopy() throws RemoteException { 8998 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8999 // Check for storage space on target medium 9000 if (!targetArgs.checkFreeStorage(mContainerService)) { 9001 Log.w(TAG, "Insufficient storage to install"); 9002 return; 9003 } 9004 9005 mRet = srcArgs.doPreCopy(); 9006 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 9007 return; 9008 } 9009 9010 mRet = targetArgs.copyApk(mContainerService, false); 9011 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 9012 srcArgs.doPostCopy(uid); 9013 return; 9014 } 9015 9016 mRet = srcArgs.doPostCopy(uid); 9017 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 9018 return; 9019 } 9020 9021 mRet = targetArgs.doPreInstall(mRet); 9022 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 9023 return; 9024 } 9025 9026 if (DEBUG_SD_INSTALL) { 9027 StringBuilder builder = new StringBuilder(); 9028 if (srcArgs != null) { 9029 builder.append("src: "); 9030 builder.append(srcArgs.getCodePath()); 9031 } 9032 if (targetArgs != null) { 9033 builder.append(" target : "); 9034 builder.append(targetArgs.getCodePath()); 9035 } 9036 Log.i(TAG, builder.toString()); 9037 } 9038 } 9039 9040 @Override 9041 void handleReturnCode() { 9042 targetArgs.doPostInstall(mRet, uid); 9043 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 9044 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 9045 currentStatus = PackageManager.MOVE_SUCCEEDED; 9046 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 9047 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 9048 } 9049 processPendingMove(this, currentStatus); 9050 } 9051 9052 @Override 9053 void handleServiceError() { 9054 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9055 } 9056 } 9057 9058 /** 9059 * Used during creation of InstallArgs 9060 * 9061 * @param flags package installation flags 9062 * @return true if should be installed on external storage 9063 */ 9064 private static boolean installOnSd(int flags) { 9065 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 9066 return false; 9067 } 9068 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 9069 return true; 9070 } 9071 return false; 9072 } 9073 9074 /** 9075 * Used during creation of InstallArgs 9076 * 9077 * @param flags package installation flags 9078 * @return true if should be installed as forward locked 9079 */ 9080 private static boolean installForwardLocked(int flags) { 9081 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9082 } 9083 9084 private InstallArgs createInstallArgs(InstallParams params) { 9085 if (installOnSd(params.flags) || params.isForwardLocked()) { 9086 return new AsecInstallArgs(params); 9087 } else { 9088 return new FileInstallArgs(params); 9089 } 9090 } 9091 9092 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 9093 String nativeLibraryPath, String instructionSet) { 9094 final boolean isInAsec; 9095 if (installOnSd(flags)) { 9096 /* Apps on SD card are always in ASEC containers. */ 9097 isInAsec = true; 9098 } else if (installForwardLocked(flags) 9099 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9100 /* 9101 * Forward-locked apps are only in ASEC containers if they're the 9102 * new style 9103 */ 9104 isInAsec = true; 9105 } else { 9106 isInAsec = false; 9107 } 9108 9109 if (isInAsec) { 9110 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 9111 instructionSet, installOnSd(flags), installForwardLocked(flags)); 9112 } else { 9113 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 9114 instructionSet); 9115 } 9116 } 9117 9118 // Used by package mover 9119 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 9120 String instructionSet) { 9121 if (installOnSd(flags) || installForwardLocked(flags)) { 9122 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 9123 + AsecInstallArgs.RES_FILE_NAME); 9124 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 9125 installForwardLocked(flags)); 9126 } else { 9127 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 9128 } 9129 } 9130 9131 static abstract class InstallArgs { 9132 final IPackageInstallObserver observer; 9133 final IPackageInstallObserver2 observer2; 9134 // Always refers to PackageManager flags only 9135 final int flags; 9136 final Uri packageURI; 9137 final String installerPackageName; 9138 final ManifestDigest manifestDigest; 9139 final UserHandle user; 9140 final String instructionSet; 9141 final String abiOverride; 9142 9143 InstallArgs(Uri packageURI, 9144 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 9145 int flags, String installerPackageName, ManifestDigest manifestDigest, 9146 UserHandle user, String instructionSet, String abiOverride) { 9147 this.packageURI = packageURI; 9148 this.flags = flags; 9149 this.observer = observer; 9150 this.observer2 = observer2; 9151 this.installerPackageName = installerPackageName; 9152 this.manifestDigest = manifestDigest; 9153 this.user = user; 9154 this.instructionSet = instructionSet; 9155 this.abiOverride = abiOverride; 9156 } 9157 9158 abstract void createCopyFile(); 9159 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9160 abstract int doPreInstall(int status); 9161 abstract boolean doRename(int status, String pkgName, String oldCodePath); 9162 9163 abstract int doPostInstall(int status, int uid); 9164 abstract String getCodePath(); 9165 abstract String getResourcePath(); 9166 abstract String getNativeLibraryPath(); 9167 // Need installer lock especially for dex file removal. 9168 abstract void cleanUpResourcesLI(); 9169 abstract boolean doPostDeleteLI(boolean delete); 9170 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9171 9172 String[] getSplitCodePaths() { 9173 return null; 9174 } 9175 9176 /** 9177 * Called before the source arguments are copied. This is used mostly 9178 * for MoveParams when it needs to read the source file to put it in the 9179 * destination. 9180 */ 9181 int doPreCopy() { 9182 return PackageManager.INSTALL_SUCCEEDED; 9183 } 9184 9185 /** 9186 * Called after the source arguments are copied. This is used mostly for 9187 * MoveParams when it needs to read the source file to put it in the 9188 * destination. 9189 * 9190 * @return 9191 */ 9192 int doPostCopy(int uid) { 9193 return PackageManager.INSTALL_SUCCEEDED; 9194 } 9195 9196 protected boolean isFwdLocked() { 9197 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9198 } 9199 9200 UserHandle getUser() { 9201 return user; 9202 } 9203 } 9204 9205 class FileInstallArgs extends InstallArgs { 9206 File installDir; 9207 String codeFileName; 9208 String resourceFileName; 9209 String libraryPath; 9210 boolean created = false; 9211 9212 FileInstallArgs(InstallParams params) { 9213 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9214 params.installerPackageName, params.getManifestDigest(), 9215 params.getUser(), params.packageInstructionSetOverride, 9216 params.packageAbiOverride); 9217 } 9218 9219 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9220 String instructionSet) { 9221 super(null, null, null, 0, null, null, null, instructionSet, null); 9222 File codeFile = new File(fullCodePath); 9223 installDir = codeFile.getParentFile(); 9224 codeFileName = fullCodePath; 9225 resourceFileName = fullResourcePath; 9226 libraryPath = nativeLibraryPath; 9227 } 9228 9229 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 9230 super(packageURI, null, null, 0, null, null, null, instructionSet, null); 9231 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9232 String apkName = getNextCodePath(null, pkgName, ".apk"); 9233 codeFileName = new File(installDir, apkName + ".apk").getPath(); 9234 resourceFileName = getResourcePathFromCodePath(); 9235 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 9236 } 9237 9238 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9239 final long lowThreshold; 9240 9241 final DeviceStorageMonitorInternal 9242 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9243 if (dsm == null) { 9244 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9245 lowThreshold = 0L; 9246 } else { 9247 if (dsm.isMemoryLow()) { 9248 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9249 return false; 9250 } 9251 9252 lowThreshold = dsm.getMemoryLowThreshold(); 9253 } 9254 9255 try { 9256 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9257 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9258 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9259 } finally { 9260 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9261 } 9262 } 9263 9264 void createCopyFile() { 9265 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9266 codeFileName = createTempPackageFile(installDir).getPath(); 9267 resourceFileName = getResourcePathFromCodePath(); 9268 libraryPath = getLibraryPathFromCodePath(); 9269 created = true; 9270 } 9271 9272 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9273 if (temp) { 9274 // Generate temp file name 9275 createCopyFile(); 9276 } 9277 // Get a ParcelFileDescriptor to write to the output file 9278 File codeFile = new File(codeFileName); 9279 if (!created) { 9280 try { 9281 codeFile.createNewFile(); 9282 // Set permissions 9283 if (!setPermissions()) { 9284 // Failed setting permissions. 9285 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9286 } 9287 } catch (IOException e) { 9288 Slog.w(TAG, "Failed to create file " + codeFile); 9289 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9290 } 9291 } 9292 ParcelFileDescriptor out = null; 9293 try { 9294 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9295 } catch (FileNotFoundException e) { 9296 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9297 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9298 } 9299 // Copy the resource now 9300 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9301 try { 9302 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9303 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9304 ret = imcs.copyResource(packageURI, null, out); 9305 } finally { 9306 IoUtils.closeQuietly(out); 9307 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9308 } 9309 9310 if (isFwdLocked()) { 9311 final File destResourceFile = new File(getResourcePath()); 9312 9313 // Copy the public files 9314 try { 9315 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9316 } catch (IOException e) { 9317 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9318 + " forward-locked app."); 9319 destResourceFile.delete(); 9320 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9321 } 9322 } 9323 9324 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9325 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9326 if (nativeLibraryFile.exists()) { 9327 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9328 nativeLibraryFile.delete(); 9329 } 9330 9331 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(codeFile); 9332 String[] abiList = (abiOverride != null) ? 9333 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9334 try { 9335 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 9336 abiOverride == null && 9337 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9338 abiList = Build.SUPPORTED_32_BIT_ABIS; 9339 } 9340 9341 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 9342 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9343 return copyRet; 9344 } 9345 } catch (IOException e) { 9346 Slog.e(TAG, "Copying native libraries failed", e); 9347 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9348 } finally { 9349 handle.close(); 9350 } 9351 9352 return ret; 9353 } 9354 9355 int doPreInstall(int status) { 9356 if (status != PackageManager.INSTALL_SUCCEEDED) { 9357 cleanUp(); 9358 } 9359 return status; 9360 } 9361 9362 boolean doRename(int status, final String pkgName, String oldCodePath) { 9363 if (status != PackageManager.INSTALL_SUCCEEDED) { 9364 cleanUp(); 9365 return false; 9366 } else { 9367 final File oldCodeFile = new File(getCodePath()); 9368 final File oldResourceFile = new File(getResourcePath()); 9369 final File oldLibraryFile = new File(getNativeLibraryPath()); 9370 9371 // Rename APK file based on packageName 9372 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9373 final File newCodeFile = new File(installDir, apkName + ".apk"); 9374 if (!oldCodeFile.renameTo(newCodeFile)) { 9375 return false; 9376 } 9377 codeFileName = newCodeFile.getPath(); 9378 9379 // Rename public resource file if it's forward-locked. 9380 final File newResFile = new File(getResourcePathFromCodePath()); 9381 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9382 return false; 9383 } 9384 resourceFileName = newResFile.getPath(); 9385 9386 // Rename library path 9387 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9388 if (newLibraryFile.exists()) { 9389 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9390 newLibraryFile.delete(); 9391 } 9392 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9393 Slog.e(TAG, "Cannot rename native library directory " 9394 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9395 return false; 9396 } 9397 libraryPath = newLibraryFile.getPath(); 9398 9399 // Attempt to set permissions 9400 if (!setPermissions()) { 9401 return false; 9402 } 9403 9404 if (!SELinux.restorecon(newCodeFile)) { 9405 return false; 9406 } 9407 9408 return true; 9409 } 9410 } 9411 9412 int doPostInstall(int status, int uid) { 9413 if (status != PackageManager.INSTALL_SUCCEEDED) { 9414 cleanUp(); 9415 } 9416 return status; 9417 } 9418 9419 private String getResourcePathFromCodePath() { 9420 final String codePath = getCodePath(); 9421 if (isFwdLocked()) { 9422 final StringBuilder sb = new StringBuilder(); 9423 9424 sb.append(mAppInstallDir.getPath()); 9425 sb.append('/'); 9426 sb.append(getApkName(codePath)); 9427 sb.append(".zip"); 9428 9429 /* 9430 * If our APK is a temporary file, mark the resource as a 9431 * temporary file as well so it can be cleaned up after 9432 * catastrophic failure. 9433 */ 9434 if (codePath.endsWith(".tmp")) { 9435 sb.append(".tmp"); 9436 } 9437 9438 return sb.toString(); 9439 } else { 9440 return codePath; 9441 } 9442 } 9443 9444 private String getLibraryPathFromCodePath() { 9445 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9446 } 9447 9448 @Override 9449 String getCodePath() { 9450 return codeFileName; 9451 } 9452 9453 @Override 9454 String getResourcePath() { 9455 return resourceFileName; 9456 } 9457 9458 @Override 9459 String getNativeLibraryPath() { 9460 if (libraryPath == null) { 9461 libraryPath = getLibraryPathFromCodePath(); 9462 } 9463 return libraryPath; 9464 } 9465 9466 private boolean cleanUp() { 9467 boolean ret = true; 9468 String sourceDir = getCodePath(); 9469 String publicSourceDir = getResourcePath(); 9470 if (sourceDir != null) { 9471 File sourceFile = new File(sourceDir); 9472 if (!sourceFile.exists()) { 9473 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9474 ret = false; 9475 } 9476 // Delete application's code and resources 9477 sourceFile.delete(); 9478 } 9479 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9480 final File publicSourceFile = new File(publicSourceDir); 9481 if (!publicSourceFile.exists()) { 9482 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9483 } 9484 if (publicSourceFile.exists()) { 9485 publicSourceFile.delete(); 9486 } 9487 } 9488 9489 if (libraryPath != null) { 9490 File nativeLibraryFile = new File(libraryPath); 9491 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9492 if (!nativeLibraryFile.delete()) { 9493 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9494 } 9495 } 9496 9497 return ret; 9498 } 9499 9500 void cleanUpResourcesLI() { 9501 String sourceDir = getCodePath(); 9502 if (cleanUp()) { 9503 if (instructionSet == null) { 9504 throw new IllegalStateException("instructionSet == null"); 9505 } 9506 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9507 if (retCode < 0) { 9508 Slog.w(TAG, "Couldn't remove dex file for package: " 9509 + " at location " 9510 + sourceDir + ", retcode=" + retCode); 9511 // we don't consider this to be a failure of the core package deletion 9512 } 9513 } 9514 } 9515 9516 private boolean setPermissions() { 9517 // TODO Do this in a more elegant way later on. for now just a hack 9518 if (!isFwdLocked()) { 9519 final int filePermissions = 9520 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9521 |FileUtils.S_IROTH; 9522 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9523 if (retCode != 0) { 9524 Slog.e(TAG, "Couldn't set new package file permissions for " + 9525 getCodePath() 9526 + ". The return code was: " + retCode); 9527 // TODO Define new internal error 9528 return false; 9529 } 9530 return true; 9531 } 9532 return true; 9533 } 9534 9535 boolean doPostDeleteLI(boolean delete) { 9536 // XXX err, shouldn't we respect the delete flag? 9537 cleanUpResourcesLI(); 9538 return true; 9539 } 9540 } 9541 9542 private boolean isAsecExternal(String cid) { 9543 final String asecPath = PackageHelper.getSdFilesystem(cid); 9544 return !asecPath.startsWith(mAsecInternalPath); 9545 } 9546 9547 /** 9548 * Extract the MountService "container ID" from the full code path of an 9549 * .apk. 9550 */ 9551 static String cidFromCodePath(String fullCodePath) { 9552 int eidx = fullCodePath.lastIndexOf("/"); 9553 String subStr1 = fullCodePath.substring(0, eidx); 9554 int sidx = subStr1.lastIndexOf("/"); 9555 return subStr1.substring(sidx+1, eidx); 9556 } 9557 9558 class AsecInstallArgs extends InstallArgs { 9559 static final String RES_FILE_NAME = "pkg.apk"; 9560 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9561 9562 String cid; 9563 String packagePath; 9564 String resourcePath; 9565 String libraryPath; 9566 9567 AsecInstallArgs(InstallParams params) { 9568 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9569 params.installerPackageName, params.getManifestDigest(), 9570 params.getUser(), params.packageInstructionSetOverride, 9571 params.packageAbiOverride); 9572 } 9573 9574 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9575 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9576 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9577 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9578 null, null, null, instructionSet, null); 9579 // Extract cid from fullCodePath 9580 int eidx = fullCodePath.lastIndexOf("/"); 9581 String subStr1 = fullCodePath.substring(0, eidx); 9582 int sidx = subStr1.lastIndexOf("/"); 9583 cid = subStr1.substring(sidx+1, eidx); 9584 setCachePath(subStr1); 9585 } 9586 9587 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9588 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9589 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9590 null, null, null, instructionSet, null); 9591 this.cid = cid; 9592 setCachePath(PackageHelper.getSdDir(cid)); 9593 } 9594 9595 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9596 boolean isExternal, boolean isForwardLocked) { 9597 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9598 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9599 null, null, null, instructionSet, null); 9600 this.cid = cid; 9601 } 9602 9603 void createCopyFile() { 9604 cid = getTempContainerId(); 9605 } 9606 9607 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9608 try { 9609 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9610 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9611 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9612 } finally { 9613 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9614 } 9615 } 9616 9617 private final boolean isExternal() { 9618 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9619 } 9620 9621 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9622 if (temp) { 9623 createCopyFile(); 9624 } else { 9625 /* 9626 * Pre-emptively destroy the container since it's destroyed if 9627 * copying fails due to it existing anyway. 9628 */ 9629 PackageHelper.destroySdDir(cid); 9630 } 9631 9632 final String newCachePath; 9633 try { 9634 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9635 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9636 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9637 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9638 abiOverride); 9639 } finally { 9640 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9641 } 9642 9643 if (newCachePath != null) { 9644 setCachePath(newCachePath); 9645 return PackageManager.INSTALL_SUCCEEDED; 9646 } else { 9647 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9648 } 9649 } 9650 9651 @Override 9652 String getCodePath() { 9653 return packagePath; 9654 } 9655 9656 @Override 9657 String getResourcePath() { 9658 return resourcePath; 9659 } 9660 9661 @Override 9662 String getNativeLibraryPath() { 9663 return libraryPath; 9664 } 9665 9666 int doPreInstall(int status) { 9667 if (status != PackageManager.INSTALL_SUCCEEDED) { 9668 // Destroy container 9669 PackageHelper.destroySdDir(cid); 9670 } else { 9671 boolean mounted = PackageHelper.isContainerMounted(cid); 9672 if (!mounted) { 9673 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9674 Process.SYSTEM_UID); 9675 if (newCachePath != null) { 9676 setCachePath(newCachePath); 9677 } else { 9678 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9679 } 9680 } 9681 } 9682 return status; 9683 } 9684 9685 boolean doRename(int status, final String pkgName, 9686 String oldCodePath) { 9687 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9688 String newCachePath = null; 9689 if (PackageHelper.isContainerMounted(cid)) { 9690 // Unmount the container 9691 if (!PackageHelper.unMountSdDir(cid)) { 9692 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9693 return false; 9694 } 9695 } 9696 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9697 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9698 " which might be stale. Will try to clean up."); 9699 // Clean up the stale container and proceed to recreate. 9700 if (!PackageHelper.destroySdDir(newCacheId)) { 9701 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9702 return false; 9703 } 9704 // Successfully cleaned up stale container. Try to rename again. 9705 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9706 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9707 + " inspite of cleaning it up."); 9708 return false; 9709 } 9710 } 9711 if (!PackageHelper.isContainerMounted(newCacheId)) { 9712 Slog.w(TAG, "Mounting container " + newCacheId); 9713 newCachePath = PackageHelper.mountSdDir(newCacheId, 9714 getEncryptKey(), Process.SYSTEM_UID); 9715 } else { 9716 newCachePath = PackageHelper.getSdDir(newCacheId); 9717 } 9718 if (newCachePath == null) { 9719 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9720 return false; 9721 } 9722 Log.i(TAG, "Succesfully renamed " + cid + 9723 " to " + newCacheId + 9724 " at new path: " + newCachePath); 9725 cid = newCacheId; 9726 setCachePath(newCachePath); 9727 return true; 9728 } 9729 9730 private void setCachePath(String newCachePath) { 9731 File cachePath = new File(newCachePath); 9732 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9733 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9734 9735 if (isFwdLocked()) { 9736 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9737 } else { 9738 resourcePath = packagePath; 9739 } 9740 } 9741 9742 int doPostInstall(int status, int uid) { 9743 if (status != PackageManager.INSTALL_SUCCEEDED) { 9744 cleanUp(); 9745 } else { 9746 final int groupOwner; 9747 final String protectedFile; 9748 if (isFwdLocked()) { 9749 groupOwner = UserHandle.getSharedAppGid(uid); 9750 protectedFile = RES_FILE_NAME; 9751 } else { 9752 groupOwner = -1; 9753 protectedFile = null; 9754 } 9755 9756 if (uid < Process.FIRST_APPLICATION_UID 9757 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9758 Slog.e(TAG, "Failed to finalize " + cid); 9759 PackageHelper.destroySdDir(cid); 9760 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9761 } 9762 9763 boolean mounted = PackageHelper.isContainerMounted(cid); 9764 if (!mounted) { 9765 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9766 } 9767 } 9768 return status; 9769 } 9770 9771 private void cleanUp() { 9772 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9773 9774 // Destroy secure container 9775 PackageHelper.destroySdDir(cid); 9776 } 9777 9778 void cleanUpResourcesLI() { 9779 String sourceFile = getCodePath(); 9780 // Remove dex file 9781 if (instructionSet == null) { 9782 throw new IllegalStateException("instructionSet == null"); 9783 } 9784 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9785 if (retCode < 0) { 9786 Slog.w(TAG, "Couldn't remove dex file for package: " 9787 + " at location " 9788 + sourceFile.toString() + ", retcode=" + retCode); 9789 // we don't consider this to be a failure of the core package deletion 9790 } 9791 cleanUp(); 9792 } 9793 9794 boolean matchContainer(String app) { 9795 if (cid.startsWith(app)) { 9796 return true; 9797 } 9798 return false; 9799 } 9800 9801 String getPackageName() { 9802 return getAsecPackageName(cid); 9803 } 9804 9805 boolean doPostDeleteLI(boolean delete) { 9806 boolean ret = false; 9807 boolean mounted = PackageHelper.isContainerMounted(cid); 9808 if (mounted) { 9809 // Unmount first 9810 ret = PackageHelper.unMountSdDir(cid); 9811 } 9812 if (ret && delete) { 9813 cleanUpResourcesLI(); 9814 } 9815 return ret; 9816 } 9817 9818 @Override 9819 int doPreCopy() { 9820 if (isFwdLocked()) { 9821 if (!PackageHelper.fixSdPermissions(cid, 9822 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9823 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9824 } 9825 } 9826 9827 return PackageManager.INSTALL_SUCCEEDED; 9828 } 9829 9830 @Override 9831 int doPostCopy(int uid) { 9832 if (isFwdLocked()) { 9833 if (uid < Process.FIRST_APPLICATION_UID 9834 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9835 RES_FILE_NAME)) { 9836 Slog.e(TAG, "Failed to finalize " + cid); 9837 PackageHelper.destroySdDir(cid); 9838 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9839 } 9840 } 9841 9842 return PackageManager.INSTALL_SUCCEEDED; 9843 } 9844 } 9845 9846 static String getAsecPackageName(String packageCid) { 9847 int idx = packageCid.lastIndexOf("-"); 9848 if (idx == -1) { 9849 return packageCid; 9850 } 9851 return packageCid.substring(0, idx); 9852 } 9853 9854 // Utility method used to create code paths based on package name and available index. 9855 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9856 String idxStr = ""; 9857 int idx = 1; 9858 // Fall back to default value of idx=1 if prefix is not 9859 // part of oldCodePath 9860 if (oldCodePath != null) { 9861 String subStr = oldCodePath; 9862 // Drop the suffix right away 9863 if (subStr.endsWith(suffix)) { 9864 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9865 } 9866 // If oldCodePath already contains prefix find out the 9867 // ending index to either increment or decrement. 9868 int sidx = subStr.lastIndexOf(prefix); 9869 if (sidx != -1) { 9870 subStr = subStr.substring(sidx + prefix.length()); 9871 if (subStr != null) { 9872 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9873 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9874 } 9875 try { 9876 idx = Integer.parseInt(subStr); 9877 if (idx <= 1) { 9878 idx++; 9879 } else { 9880 idx--; 9881 } 9882 } catch(NumberFormatException e) { 9883 } 9884 } 9885 } 9886 } 9887 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9888 return prefix + idxStr; 9889 } 9890 9891 // Utility method used to ignore ADD/REMOVE events 9892 // by directory observer. 9893 private static boolean ignoreCodePath(String fullPathStr) { 9894 String apkName = getApkName(fullPathStr); 9895 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9896 if (idx != -1 && ((idx+1) < apkName.length())) { 9897 // Make sure the package ends with a numeral 9898 String version = apkName.substring(idx+1); 9899 try { 9900 Integer.parseInt(version); 9901 return true; 9902 } catch (NumberFormatException e) {} 9903 } 9904 return false; 9905 } 9906 9907 // Utility method that returns the relative package path with respect 9908 // to the installation directory. Like say for /data/data/com.test-1.apk 9909 // string com.test-1 is returned. 9910 static String getApkName(String codePath) { 9911 if (codePath == null) { 9912 return null; 9913 } 9914 int sidx = codePath.lastIndexOf("/"); 9915 int eidx = codePath.lastIndexOf("."); 9916 if (eidx == -1) { 9917 eidx = codePath.length(); 9918 } else if (eidx == 0) { 9919 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9920 return null; 9921 } 9922 return codePath.substring(sidx+1, eidx); 9923 } 9924 9925 private static String[] deriveSplitResPaths(String[] splitCodePaths) { 9926 String[] splitResPaths = null; 9927 if (!ArrayUtils.isEmpty(splitCodePaths)) { 9928 splitResPaths = new String[splitCodePaths.length]; 9929 for (int i = 0; i < splitCodePaths.length; i++) { 9930 final String splitCodePath = splitCodePaths[i]; 9931 final String resName = getApkName(splitCodePath) + ".zip"; 9932 splitResPaths[i] = new File(new File(splitCodePath).getParentFile(), 9933 resName).getAbsolutePath(); 9934 } 9935 } 9936 return splitResPaths; 9937 } 9938 9939 class PackageInstalledInfo { 9940 String name; 9941 int uid; 9942 // The set of users that originally had this package installed. 9943 int[] origUsers; 9944 // The set of users that now have this package installed. 9945 int[] newUsers; 9946 PackageParser.Package pkg; 9947 int returnCode; 9948 PackageRemovedInfo removedInfo; 9949 9950 // In some error cases we want to convey more info back to the observer 9951 String origPackage; 9952 String origPermission; 9953 } 9954 9955 /* 9956 * Install a non-existing package. 9957 */ 9958 private void installNewPackageLI(PackageParser.Package pkg, 9959 int parseFlags, int scanMode, UserHandle user, 9960 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9961 // Remember this for later, in case we need to rollback this install 9962 String pkgName = pkg.packageName; 9963 9964 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9965 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9966 synchronized(mPackages) { 9967 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9968 // A package with the same name is already installed, though 9969 // it has been renamed to an older name. The package we 9970 // are trying to install should be installed as an update to 9971 // the existing one, but that has not been requested, so bail. 9972 Slog.w(TAG, "Attempt to re-install " + pkgName 9973 + " without first uninstalling package running as " 9974 + mSettings.mRenamedPackages.get(pkgName)); 9975 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9976 return; 9977 } 9978 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 9979 // Don't allow installation over an existing package with the same name. 9980 Slog.w(TAG, "Attempt to re-install " + pkgName 9981 + " without first uninstalling."); 9982 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9983 return; 9984 } 9985 } 9986 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9987 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9988 System.currentTimeMillis(), user, abiOverride); 9989 if (newPackage == null) { 9990 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9991 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9992 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9993 } 9994 } else { 9995 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9996 // delete the partially installed application. the data directory will have to be 9997 // restored if it was already existing 9998 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9999 // remove package from internal structures. Note that we want deletePackageX to 10000 // delete the package data and cache directories that it created in 10001 // scanPackageLocked, unless those directories existed before we even tried to 10002 // install. 10003 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 10004 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 10005 res.removedInfo, true); 10006 } 10007 } 10008 } 10009 10010 private void replacePackageLI(PackageParser.Package pkg, 10011 int parseFlags, int scanMode, UserHandle user, 10012 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10013 10014 PackageParser.Package oldPackage; 10015 String pkgName = pkg.packageName; 10016 int[] allUsers; 10017 boolean[] perUserInstalled; 10018 10019 // First find the old package info and check signatures 10020 synchronized(mPackages) { 10021 oldPackage = mPackages.get(pkgName); 10022 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10023 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10024 != PackageManager.SIGNATURE_MATCH) { 10025 Slog.w(TAG, "New package has a different signature: " + pkgName); 10026 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 10027 return; 10028 } 10029 10030 // In case of rollback, remember per-user/profile install state 10031 PackageSetting ps = mSettings.mPackages.get(pkgName); 10032 allUsers = sUserManager.getUserIds(); 10033 perUserInstalled = new boolean[allUsers.length]; 10034 for (int i = 0; i < allUsers.length; i++) { 10035 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10036 } 10037 } 10038 boolean sysPkg = (isSystemApp(oldPackage)); 10039 if (sysPkg) { 10040 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 10041 user, allUsers, perUserInstalled, installerPackageName, res, 10042 abiOverride); 10043 } else { 10044 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 10045 user, allUsers, perUserInstalled, installerPackageName, res, 10046 abiOverride); 10047 } 10048 } 10049 10050 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10051 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10052 int[] allUsers, boolean[] perUserInstalled, 10053 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10054 PackageParser.Package newPackage = null; 10055 String pkgName = deletedPackage.packageName; 10056 boolean deletedPkg = true; 10057 boolean updatedSettings = false; 10058 10059 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10060 + deletedPackage); 10061 long origUpdateTime; 10062 if (pkg.mExtras != null) { 10063 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10064 } else { 10065 origUpdateTime = 0; 10066 } 10067 10068 // First delete the existing package while retaining the data directory 10069 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10070 res.removedInfo, true)) { 10071 // If the existing package wasn't successfully deleted 10072 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10073 deletedPkg = false; 10074 } else { 10075 // Successfully deleted the old package. Now proceed with re-installation 10076 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10077 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 10078 System.currentTimeMillis(), user, abiOverride); 10079 if (newPackage == null) { 10080 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10081 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10082 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10083 } 10084 } else { 10085 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10086 updatedSettings = true; 10087 } 10088 } 10089 10090 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10091 // remove package from internal structures. Note that we want deletePackageX to 10092 // delete the package data and cache directories that it created in 10093 // scanPackageLocked, unless those directories existed before we even tried to 10094 // install. 10095 if(updatedSettings) { 10096 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10097 deletePackageLI( 10098 pkgName, null, true, allUsers, perUserInstalled, 10099 PackageManager.DELETE_KEEP_DATA, 10100 res.removedInfo, true); 10101 } 10102 // Since we failed to install the new package we need to restore the old 10103 // package that we deleted. 10104 if (deletedPkg) { 10105 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10106 File restoreFile = new File(deletedPackage.codePath); 10107 // Parse old package 10108 boolean oldOnSd = isExternal(deletedPackage); 10109 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10110 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10111 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10112 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 10113 | SCAN_UPDATE_TIME; 10114 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 10115 origUpdateTime, null, null) == null) { 10116 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 10117 return; 10118 } 10119 // Restore of old package succeeded. Update permissions. 10120 // writer 10121 synchronized (mPackages) { 10122 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10123 UPDATE_PERMISSIONS_ALL); 10124 // can downgrade to reader 10125 mSettings.writeLPr(); 10126 } 10127 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10128 } 10129 } 10130 } 10131 10132 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10133 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10134 int[] allUsers, boolean[] perUserInstalled, 10135 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10136 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10137 + ", old=" + deletedPackage); 10138 PackageParser.Package newPackage = null; 10139 boolean updatedSettings = false; 10140 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 10141 PackageParser.PARSE_IS_SYSTEM; 10142 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10143 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10144 } 10145 String packageName = deletedPackage.packageName; 10146 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10147 if (packageName == null) { 10148 Slog.w(TAG, "Attempt to delete null packageName."); 10149 return; 10150 } 10151 PackageParser.Package oldPkg; 10152 PackageSetting oldPkgSetting; 10153 // reader 10154 synchronized (mPackages) { 10155 oldPkg = mPackages.get(packageName); 10156 oldPkgSetting = mSettings.mPackages.get(packageName); 10157 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10158 (oldPkgSetting == null)) { 10159 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 10160 return; 10161 } 10162 } 10163 10164 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10165 10166 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10167 res.removedInfo.removedPackage = packageName; 10168 // Remove existing system package 10169 removePackageLI(oldPkgSetting, true); 10170 // writer 10171 synchronized (mPackages) { 10172 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10173 // We didn't need to disable the .apk as a current system package, 10174 // which means we are replacing another update that is already 10175 // installed. We need to make sure to delete the older one's .apk. 10176 res.removedInfo.args = createInstallArgs(0, 10177 deletedPackage.applicationInfo.sourceDir, 10178 deletedPackage.applicationInfo.publicSourceDir, 10179 deletedPackage.applicationInfo.nativeLibraryDir, 10180 getAppInstructionSet(deletedPackage.applicationInfo)); 10181 } else { 10182 res.removedInfo.args = null; 10183 } 10184 } 10185 10186 // Successfully disabled the old package. Now proceed with re-installation 10187 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10188 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10189 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10190 if (newPackage == null) { 10191 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10192 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10193 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10194 } 10195 } else { 10196 if (newPackage.mExtras != null) { 10197 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10198 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10199 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10200 10201 // is the update attempting to change shared user? that isn't going to work... 10202 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10203 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10204 + " to " + newPkgSetting.sharedUser); 10205 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10206 updatedSettings = true; 10207 } 10208 } 10209 10210 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10211 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10212 updatedSettings = true; 10213 } 10214 } 10215 10216 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10217 // Re installation failed. Restore old information 10218 // Remove new pkg information 10219 if (newPackage != null) { 10220 removeInstalledPackageLI(newPackage, true); 10221 } 10222 // Add back the old system package 10223 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10224 // Restore the old system information in Settings 10225 synchronized(mPackages) { 10226 if (updatedSettings) { 10227 mSettings.enableSystemPackageLPw(packageName); 10228 mSettings.setInstallerPackageName(packageName, 10229 oldPkgSetting.installerPackageName); 10230 } 10231 mSettings.writeLPr(); 10232 } 10233 } 10234 } 10235 10236 // Utility method used to move dex files during install. 10237 private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) { 10238 // TODO: extend to move split APK dex files 10239 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10240 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 10241 int retCode = mInstaller.movedex(oldCodePath, newPackage.codePath, 10242 instructionSet); 10243 if (retCode != 0) { 10244 /* 10245 * Programs may be lazily run through dexopt, so the 10246 * source may not exist. However, something seems to 10247 * have gone wrong, so note that dexopt needs to be 10248 * run again and remove the source file. In addition, 10249 * remove the target to make sure there isn't a stale 10250 * file from a previous version of the package. 10251 */ 10252 newPackage.mDexOptNeeded = true; 10253 mInstaller.rmdex(oldCodePath, instructionSet); 10254 mInstaller.rmdex(newPackage.codePath, instructionSet); 10255 } 10256 } 10257 return PackageManager.INSTALL_SUCCEEDED; 10258 } 10259 10260 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10261 int[] allUsers, boolean[] perUserInstalled, 10262 PackageInstalledInfo res) { 10263 String pkgName = newPackage.packageName; 10264 synchronized (mPackages) { 10265 //write settings. the installStatus will be incomplete at this stage. 10266 //note that the new package setting would have already been 10267 //added to mPackages. It hasn't been persisted yet. 10268 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10269 mSettings.writeLPr(); 10270 } 10271 10272 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10273 10274 synchronized (mPackages) { 10275 updatePermissionsLPw(newPackage.packageName, newPackage, 10276 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10277 ? UPDATE_PERMISSIONS_ALL : 0)); 10278 // For system-bundled packages, we assume that installing an upgraded version 10279 // of the package implies that the user actually wants to run that new code, 10280 // so we enable the package. 10281 if (isSystemApp(newPackage)) { 10282 // NB: implicit assumption that system package upgrades apply to all users 10283 if (DEBUG_INSTALL) { 10284 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10285 } 10286 PackageSetting ps = mSettings.mPackages.get(pkgName); 10287 if (ps != null) { 10288 if (res.origUsers != null) { 10289 for (int userHandle : res.origUsers) { 10290 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10291 userHandle, installerPackageName); 10292 } 10293 } 10294 // Also convey the prior install/uninstall state 10295 if (allUsers != null && perUserInstalled != null) { 10296 for (int i = 0; i < allUsers.length; i++) { 10297 if (DEBUG_INSTALL) { 10298 Slog.d(TAG, " user " + allUsers[i] 10299 + " => " + perUserInstalled[i]); 10300 } 10301 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10302 } 10303 // these install state changes will be persisted in the 10304 // upcoming call to mSettings.writeLPr(). 10305 } 10306 } 10307 } 10308 res.name = pkgName; 10309 res.uid = newPackage.applicationInfo.uid; 10310 res.pkg = newPackage; 10311 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10312 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10313 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10314 //to update install status 10315 mSettings.writeLPr(); 10316 } 10317 } 10318 10319 private void installPackageLI(InstallArgs args, 10320 boolean newInstall, PackageInstalledInfo res) { 10321 int pFlags = args.flags; 10322 String installerPackageName = args.installerPackageName; 10323 File tmpPackageFile = new File(args.getCodePath()); 10324 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10325 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10326 boolean replace = false; 10327 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10328 | (newInstall ? SCAN_NEW_INSTALL : 0); 10329 // Result object to be returned 10330 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10331 10332 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10333 // Retrieve PackageSettings and parse package 10334 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10335 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10336 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10337 PackageParser pp = new PackageParser(); 10338 pp.setSeparateProcesses(mSeparateProcesses); 10339 pp.setDisplayMetrics(mMetrics); 10340 10341 final PackageParser.Package pkg; 10342 try { 10343 pkg = pp.parseMonolithicPackage(tmpPackageFile, parseFlags); 10344 } catch (PackageParserException e) { 10345 res.returnCode = e.error; 10346 return; 10347 } 10348 10349 String pkgName = res.name = pkg.packageName; 10350 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10351 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10352 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10353 return; 10354 } 10355 } 10356 10357 try { 10358 pp.collectCertificates(pkg, parseFlags); 10359 pp.collectManifestDigest(pkg); 10360 } catch (PackageParserException e) { 10361 res.returnCode = e.error; 10362 return; 10363 } 10364 10365 /* If the installer passed in a manifest digest, compare it now. */ 10366 if (args.manifestDigest != null) { 10367 if (DEBUG_INSTALL) { 10368 final String parsedManifest = pkg.manifestDigest == null ? "null" 10369 : pkg.manifestDigest.toString(); 10370 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10371 + parsedManifest); 10372 } 10373 10374 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10375 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10376 return; 10377 } 10378 } else if (DEBUG_INSTALL) { 10379 final String parsedManifest = pkg.manifestDigest == null 10380 ? "null" : pkg.manifestDigest.toString(); 10381 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10382 } 10383 10384 // Get rid of all references to package scan path via parser. 10385 pp = null; 10386 String oldCodePath = null; 10387 boolean systemApp = false; 10388 synchronized (mPackages) { 10389 // Check whether the newly-scanned package wants to define an already-defined perm 10390 int N = pkg.permissions.size(); 10391 for (int i = N-1; i >= 0; i--) { 10392 PackageParser.Permission perm = pkg.permissions.get(i); 10393 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10394 if (bp != null) { 10395 // If the defining package is signed with our cert, it's okay. This 10396 // also includes the "updating the same package" case, of course. 10397 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10398 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10399 // If the owning package is the system itself, we log but allow 10400 // install to proceed; we fail the install on all other permission 10401 // redefinitions. 10402 if (!bp.sourcePackage.equals("android")) { 10403 Slog.w(TAG, "Package " + pkg.packageName 10404 + " attempting to redeclare permission " + perm.info.name 10405 + " already owned by " + bp.sourcePackage); 10406 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10407 res.origPermission = perm.info.name; 10408 res.origPackage = bp.sourcePackage; 10409 return; 10410 } else { 10411 Slog.w(TAG, "Package " + pkg.packageName 10412 + " attempting to redeclare system permission " 10413 + perm.info.name + "; ignoring new declaration"); 10414 pkg.permissions.remove(i); 10415 } 10416 } 10417 } 10418 } 10419 10420 // Check if installing already existing package 10421 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10422 String oldName = mSettings.mRenamedPackages.get(pkgName); 10423 if (pkg.mOriginalPackages != null 10424 && pkg.mOriginalPackages.contains(oldName) 10425 && mPackages.containsKey(oldName)) { 10426 // This package is derived from an original package, 10427 // and this device has been updating from that original 10428 // name. We must continue using the original name, so 10429 // rename the new package here. 10430 pkg.setPackageName(oldName); 10431 pkgName = pkg.packageName; 10432 replace = true; 10433 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10434 + oldName + " pkgName=" + pkgName); 10435 } else if (mPackages.containsKey(pkgName)) { 10436 // This package, under its official name, already exists 10437 // on the device; we should replace it. 10438 replace = true; 10439 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10440 } 10441 } 10442 PackageSetting ps = mSettings.mPackages.get(pkgName); 10443 if (ps != null) { 10444 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10445 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10446 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10447 systemApp = (ps.pkg.applicationInfo.flags & 10448 ApplicationInfo.FLAG_SYSTEM) != 0; 10449 } 10450 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10451 } 10452 } 10453 10454 if (systemApp && onSd) { 10455 // Disable updates to system apps on sdcard 10456 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10457 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10458 return; 10459 } 10460 10461 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10462 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10463 return; 10464 } 10465 // Set application objects path explicitly after the rename 10466 pkg.codePath = args.getCodePath(); 10467 pkg.applicationInfo.sourceDir = args.getCodePath(); 10468 pkg.applicationInfo.publicSourceDir = args.getResourcePath(); 10469 pkg.applicationInfo.splitSourceDirs = args.getSplitCodePaths(); 10470 pkg.applicationInfo.splitPublicSourceDirs = deriveSplitResPaths( 10471 pkg.applicationInfo.splitSourceDirs); 10472 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10473 if (replace) { 10474 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10475 installerPackageName, res, args.abiOverride); 10476 } else { 10477 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10478 installerPackageName, res, args.abiOverride); 10479 } 10480 synchronized (mPackages) { 10481 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10482 if (ps != null) { 10483 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10484 } 10485 } 10486 } 10487 10488 private static boolean isForwardLocked(PackageParser.Package pkg) { 10489 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10490 } 10491 10492 10493 private boolean isForwardLocked(PackageSetting ps) { 10494 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10495 } 10496 10497 private static boolean isExternal(PackageParser.Package pkg) { 10498 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10499 } 10500 10501 private static boolean isExternal(PackageSetting ps) { 10502 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10503 } 10504 10505 private static boolean isSystemApp(PackageParser.Package pkg) { 10506 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10507 } 10508 10509 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10510 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10511 } 10512 10513 private static boolean isSystemApp(ApplicationInfo info) { 10514 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10515 } 10516 10517 private static boolean isSystemApp(PackageSetting ps) { 10518 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10519 } 10520 10521 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10522 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10523 } 10524 10525 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10526 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10527 } 10528 10529 private int packageFlagsToInstallFlags(PackageSetting ps) { 10530 int installFlags = 0; 10531 if (isExternal(ps)) { 10532 installFlags |= PackageManager.INSTALL_EXTERNAL; 10533 } 10534 if (isForwardLocked(ps)) { 10535 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10536 } 10537 return installFlags; 10538 } 10539 10540 private void deleteTempPackageFiles() { 10541 final FilenameFilter filter = new FilenameFilter() { 10542 public boolean accept(File dir, String name) { 10543 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10544 } 10545 }; 10546 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10547 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10548 } 10549 10550 private static final void deleteTempPackageFilesInDirectory(File directory, 10551 FilenameFilter filter) { 10552 final String[] tmpFilesList = directory.list(filter); 10553 if (tmpFilesList == null) { 10554 return; 10555 } 10556 for (int i = 0; i < tmpFilesList.length; i++) { 10557 final File tmpFile = new File(directory, tmpFilesList[i]); 10558 tmpFile.delete(); 10559 } 10560 } 10561 10562 private File createTempPackageFile(File installDir) { 10563 File tmpPackageFile; 10564 try { 10565 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10566 } catch (IOException e) { 10567 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10568 return null; 10569 } 10570 try { 10571 FileUtils.setPermissions( 10572 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10573 -1, -1); 10574 if (!SELinux.restorecon(tmpPackageFile)) { 10575 return null; 10576 } 10577 } catch (IOException e) { 10578 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10579 return null; 10580 } 10581 return tmpPackageFile; 10582 } 10583 10584 @Override 10585 public void deletePackageAsUser(final String packageName, 10586 final IPackageDeleteObserver observer, 10587 final int userId, final int flags) { 10588 mContext.enforceCallingOrSelfPermission( 10589 android.Manifest.permission.DELETE_PACKAGES, null); 10590 final int uid = Binder.getCallingUid(); 10591 if (UserHandle.getUserId(uid) != userId) { 10592 mContext.enforceCallingPermission( 10593 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10594 "deletePackage for user " + userId); 10595 } 10596 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10597 try { 10598 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10599 } catch (RemoteException re) { 10600 } 10601 return; 10602 } 10603 10604 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10605 // Queue up an async operation since the package deletion may take a little while. 10606 mHandler.post(new Runnable() { 10607 public void run() { 10608 mHandler.removeCallbacks(this); 10609 final int returnCode = deletePackageX(packageName, userId, flags); 10610 if (observer != null) { 10611 try { 10612 observer.packageDeleted(packageName, returnCode); 10613 } catch (RemoteException e) { 10614 Log.i(TAG, "Observer no longer exists."); 10615 } //end catch 10616 } //end if 10617 } //end run 10618 }); 10619 } 10620 10621 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10622 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10623 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10624 try { 10625 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10626 || dpm.isDeviceOwner(packageName))) { 10627 return true; 10628 } 10629 } catch (RemoteException e) { 10630 } 10631 return false; 10632 } 10633 10634 /** 10635 * This method is an internal method that could be get invoked either 10636 * to delete an installed package or to clean up a failed installation. 10637 * After deleting an installed package, a broadcast is sent to notify any 10638 * listeners that the package has been installed. For cleaning up a failed 10639 * installation, the broadcast is not necessary since the package's 10640 * installation wouldn't have sent the initial broadcast either 10641 * The key steps in deleting a package are 10642 * deleting the package information in internal structures like mPackages, 10643 * deleting the packages base directories through installd 10644 * updating mSettings to reflect current status 10645 * persisting settings for later use 10646 * sending a broadcast if necessary 10647 */ 10648 private int deletePackageX(String packageName, int userId, int flags) { 10649 final PackageRemovedInfo info = new PackageRemovedInfo(); 10650 final boolean res; 10651 10652 if (isPackageDeviceAdmin(packageName, userId)) { 10653 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10654 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10655 } 10656 10657 boolean removedForAllUsers = false; 10658 boolean systemUpdate = false; 10659 10660 // for the uninstall-updates case and restricted profiles, remember the per- 10661 // userhandle installed state 10662 int[] allUsers; 10663 boolean[] perUserInstalled; 10664 synchronized (mPackages) { 10665 PackageSetting ps = mSettings.mPackages.get(packageName); 10666 allUsers = sUserManager.getUserIds(); 10667 perUserInstalled = new boolean[allUsers.length]; 10668 for (int i = 0; i < allUsers.length; i++) { 10669 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10670 } 10671 } 10672 10673 synchronized (mInstallLock) { 10674 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10675 res = deletePackageLI(packageName, 10676 (flags & PackageManager.DELETE_ALL_USERS) != 0 10677 ? UserHandle.ALL : new UserHandle(userId), 10678 true, allUsers, perUserInstalled, 10679 flags | REMOVE_CHATTY, info, true); 10680 systemUpdate = info.isRemovedPackageSystemUpdate; 10681 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10682 removedForAllUsers = true; 10683 } 10684 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10685 + " removedForAllUsers=" + removedForAllUsers); 10686 } 10687 10688 if (res) { 10689 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10690 10691 // If the removed package was a system update, the old system package 10692 // was re-enabled; we need to broadcast this information 10693 if (systemUpdate) { 10694 Bundle extras = new Bundle(1); 10695 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10696 ? info.removedAppId : info.uid); 10697 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10698 10699 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10700 extras, null, null, null); 10701 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10702 extras, null, null, null); 10703 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10704 null, packageName, null, null); 10705 } 10706 } 10707 // Force a gc here. 10708 Runtime.getRuntime().gc(); 10709 // Delete the resources here after sending the broadcast to let 10710 // other processes clean up before deleting resources. 10711 if (info.args != null) { 10712 synchronized (mInstallLock) { 10713 info.args.doPostDeleteLI(true); 10714 } 10715 } 10716 10717 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10718 } 10719 10720 static class PackageRemovedInfo { 10721 String removedPackage; 10722 int uid = -1; 10723 int removedAppId = -1; 10724 int[] removedUsers = null; 10725 boolean isRemovedPackageSystemUpdate = false; 10726 // Clean up resources deleted packages. 10727 InstallArgs args = null; 10728 10729 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10730 Bundle extras = new Bundle(1); 10731 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10732 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10733 if (replacing) { 10734 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10735 } 10736 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10737 if (removedPackage != null) { 10738 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10739 extras, null, null, removedUsers); 10740 if (fullRemove && !replacing) { 10741 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10742 extras, null, null, removedUsers); 10743 } 10744 } 10745 if (removedAppId >= 0) { 10746 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10747 removedUsers); 10748 } 10749 } 10750 } 10751 10752 /* 10753 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10754 * flag is not set, the data directory is removed as well. 10755 * make sure this flag is set for partially installed apps. If not its meaningless to 10756 * delete a partially installed application. 10757 */ 10758 private void removePackageDataLI(PackageSetting ps, 10759 int[] allUserHandles, boolean[] perUserInstalled, 10760 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10761 String packageName = ps.name; 10762 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10763 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10764 // Retrieve object to delete permissions for shared user later on 10765 final PackageSetting deletedPs; 10766 // reader 10767 synchronized (mPackages) { 10768 deletedPs = mSettings.mPackages.get(packageName); 10769 if (outInfo != null) { 10770 outInfo.removedPackage = packageName; 10771 outInfo.removedUsers = deletedPs != null 10772 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10773 : null; 10774 } 10775 } 10776 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10777 removeDataDirsLI(packageName); 10778 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10779 } 10780 // writer 10781 synchronized (mPackages) { 10782 if (deletedPs != null) { 10783 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10784 if (outInfo != null) { 10785 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10786 } 10787 if (deletedPs != null) { 10788 updatePermissionsLPw(deletedPs.name, null, 0); 10789 if (deletedPs.sharedUser != null) { 10790 // remove permissions associated with package 10791 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10792 } 10793 } 10794 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10795 } 10796 // make sure to preserve per-user disabled state if this removal was just 10797 // a downgrade of a system app to the factory package 10798 if (allUserHandles != null && perUserInstalled != null) { 10799 if (DEBUG_REMOVE) { 10800 Slog.d(TAG, "Propagating install state across downgrade"); 10801 } 10802 for (int i = 0; i < allUserHandles.length; i++) { 10803 if (DEBUG_REMOVE) { 10804 Slog.d(TAG, " user " + allUserHandles[i] 10805 + " => " + perUserInstalled[i]); 10806 } 10807 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10808 } 10809 } 10810 } 10811 // can downgrade to reader 10812 if (writeSettings) { 10813 // Save settings now 10814 mSettings.writeLPr(); 10815 } 10816 } 10817 if (outInfo != null) { 10818 // A user ID was deleted here. Go through all users and remove it 10819 // from KeyStore. 10820 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10821 } 10822 } 10823 10824 static boolean locationIsPrivileged(File path) { 10825 try { 10826 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10827 .getCanonicalPath(); 10828 return path.getCanonicalPath().startsWith(privilegedAppDir); 10829 } catch (IOException e) { 10830 Slog.e(TAG, "Unable to access code path " + path); 10831 } 10832 return false; 10833 } 10834 10835 /* 10836 * Tries to delete system package. 10837 */ 10838 private boolean deleteSystemPackageLI(PackageSetting newPs, 10839 int[] allUserHandles, boolean[] perUserInstalled, 10840 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10841 final boolean applyUserRestrictions 10842 = (allUserHandles != null) && (perUserInstalled != null); 10843 PackageSetting disabledPs = null; 10844 // Confirm if the system package has been updated 10845 // An updated system app can be deleted. This will also have to restore 10846 // the system pkg from system partition 10847 // reader 10848 synchronized (mPackages) { 10849 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10850 } 10851 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10852 + " disabledPs=" + disabledPs); 10853 if (disabledPs == null) { 10854 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10855 return false; 10856 } else if (DEBUG_REMOVE) { 10857 Slog.d(TAG, "Deleting system pkg from data partition"); 10858 } 10859 if (DEBUG_REMOVE) { 10860 if (applyUserRestrictions) { 10861 Slog.d(TAG, "Remembering install states:"); 10862 for (int i = 0; i < allUserHandles.length; i++) { 10863 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10864 } 10865 } 10866 } 10867 // Delete the updated package 10868 outInfo.isRemovedPackageSystemUpdate = true; 10869 if (disabledPs.versionCode < newPs.versionCode) { 10870 // Delete data for downgrades 10871 flags &= ~PackageManager.DELETE_KEEP_DATA; 10872 } else { 10873 // Preserve data by setting flag 10874 flags |= PackageManager.DELETE_KEEP_DATA; 10875 } 10876 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10877 allUserHandles, perUserInstalled, outInfo, writeSettings); 10878 if (!ret) { 10879 return false; 10880 } 10881 // writer 10882 synchronized (mPackages) { 10883 // Reinstate the old system package 10884 mSettings.enableSystemPackageLPw(newPs.name); 10885 // Remove any native libraries from the upgraded package. 10886 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10887 } 10888 // Install the system package 10889 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10890 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10891 if (locationIsPrivileged(disabledPs.codePath)) { 10892 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10893 } 10894 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10895 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10896 10897 if (newPkg == null) { 10898 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10899 + " with error:" + mLastScanError); 10900 return false; 10901 } 10902 // writer 10903 synchronized (mPackages) { 10904 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10905 setInternalAppNativeLibraryPath(newPkg, ps); 10906 updatePermissionsLPw(newPkg.packageName, newPkg, 10907 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10908 if (applyUserRestrictions) { 10909 if (DEBUG_REMOVE) { 10910 Slog.d(TAG, "Propagating install state across reinstall"); 10911 } 10912 for (int i = 0; i < allUserHandles.length; i++) { 10913 if (DEBUG_REMOVE) { 10914 Slog.d(TAG, " user " + allUserHandles[i] 10915 + " => " + perUserInstalled[i]); 10916 } 10917 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10918 } 10919 // Regardless of writeSettings we need to ensure that this restriction 10920 // state propagation is persisted 10921 mSettings.writeAllUsersPackageRestrictionsLPr(); 10922 } 10923 // can downgrade to reader here 10924 if (writeSettings) { 10925 mSettings.writeLPr(); 10926 } 10927 } 10928 return true; 10929 } 10930 10931 private boolean deleteInstalledPackageLI(PackageSetting ps, 10932 boolean deleteCodeAndResources, int flags, 10933 int[] allUserHandles, boolean[] perUserInstalled, 10934 PackageRemovedInfo outInfo, boolean writeSettings) { 10935 if (outInfo != null) { 10936 outInfo.uid = ps.appId; 10937 } 10938 10939 // Delete package data from internal structures and also remove data if flag is set 10940 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10941 10942 // Delete application code and resources 10943 if (deleteCodeAndResources && (outInfo != null)) { 10944 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10945 ps.resourcePathString, ps.nativeLibraryPathString, 10946 getAppInstructionSetFromSettings(ps)); 10947 } 10948 return true; 10949 } 10950 10951 /* 10952 * This method handles package deletion in general 10953 */ 10954 private boolean deletePackageLI(String packageName, UserHandle user, 10955 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10956 int flags, PackageRemovedInfo outInfo, 10957 boolean writeSettings) { 10958 if (packageName == null) { 10959 Slog.w(TAG, "Attempt to delete null packageName."); 10960 return false; 10961 } 10962 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10963 PackageSetting ps; 10964 boolean dataOnly = false; 10965 int removeUser = -1; 10966 int appId = -1; 10967 synchronized (mPackages) { 10968 ps = mSettings.mPackages.get(packageName); 10969 if (ps == null) { 10970 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10971 return false; 10972 } 10973 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10974 && user.getIdentifier() != UserHandle.USER_ALL) { 10975 // The caller is asking that the package only be deleted for a single 10976 // user. To do this, we just mark its uninstalled state and delete 10977 // its data. If this is a system app, we only allow this to happen if 10978 // they have set the special DELETE_SYSTEM_APP which requests different 10979 // semantics than normal for uninstalling system apps. 10980 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10981 ps.setUserState(user.getIdentifier(), 10982 COMPONENT_ENABLED_STATE_DEFAULT, 10983 false, //installed 10984 true, //stopped 10985 true, //notLaunched 10986 false, //blocked 10987 null, null, null); 10988 if (!isSystemApp(ps)) { 10989 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10990 // Other user still have this package installed, so all 10991 // we need to do is clear this user's data and save that 10992 // it is uninstalled. 10993 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10994 removeUser = user.getIdentifier(); 10995 appId = ps.appId; 10996 mSettings.writePackageRestrictionsLPr(removeUser); 10997 } else { 10998 // We need to set it back to 'installed' so the uninstall 10999 // broadcasts will be sent correctly. 11000 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11001 ps.setInstalled(true, user.getIdentifier()); 11002 } 11003 } else { 11004 // This is a system app, so we assume that the 11005 // other users still have this package installed, so all 11006 // we need to do is clear this user's data and save that 11007 // it is uninstalled. 11008 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11009 removeUser = user.getIdentifier(); 11010 appId = ps.appId; 11011 mSettings.writePackageRestrictionsLPr(removeUser); 11012 } 11013 } 11014 } 11015 11016 if (removeUser >= 0) { 11017 // From above, we determined that we are deleting this only 11018 // for a single user. Continue the work here. 11019 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11020 if (outInfo != null) { 11021 outInfo.removedPackage = packageName; 11022 outInfo.removedAppId = appId; 11023 outInfo.removedUsers = new int[] {removeUser}; 11024 } 11025 mInstaller.clearUserData(packageName, removeUser); 11026 removeKeystoreDataIfNeeded(removeUser, appId); 11027 schedulePackageCleaning(packageName, removeUser, false); 11028 return true; 11029 } 11030 11031 if (dataOnly) { 11032 // Delete application data first 11033 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11034 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11035 return true; 11036 } 11037 11038 boolean ret = false; 11039 mSettings.mKeySetManager.removeAppKeySetData(packageName); 11040 if (isSystemApp(ps)) { 11041 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11042 // When an updated system application is deleted we delete the existing resources as well and 11043 // fall back to existing code in system partition 11044 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11045 flags, outInfo, writeSettings); 11046 } else { 11047 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11048 // Kill application pre-emptively especially for apps on sd. 11049 killApplication(packageName, ps.appId, "uninstall pkg"); 11050 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11051 allUserHandles, perUserInstalled, 11052 outInfo, writeSettings); 11053 } 11054 11055 return ret; 11056 } 11057 11058 private final class ClearStorageConnection implements ServiceConnection { 11059 IMediaContainerService mContainerService; 11060 11061 @Override 11062 public void onServiceConnected(ComponentName name, IBinder service) { 11063 synchronized (this) { 11064 mContainerService = IMediaContainerService.Stub.asInterface(service); 11065 notifyAll(); 11066 } 11067 } 11068 11069 @Override 11070 public void onServiceDisconnected(ComponentName name) { 11071 } 11072 } 11073 11074 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11075 final boolean mounted; 11076 if (Environment.isExternalStorageEmulated()) { 11077 mounted = true; 11078 } else { 11079 final String status = Environment.getExternalStorageState(); 11080 11081 mounted = status.equals(Environment.MEDIA_MOUNTED) 11082 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11083 } 11084 11085 if (!mounted) { 11086 return; 11087 } 11088 11089 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11090 int[] users; 11091 if (userId == UserHandle.USER_ALL) { 11092 users = sUserManager.getUserIds(); 11093 } else { 11094 users = new int[] { userId }; 11095 } 11096 final ClearStorageConnection conn = new ClearStorageConnection(); 11097 if (mContext.bindServiceAsUser( 11098 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11099 try { 11100 for (int curUser : users) { 11101 long timeout = SystemClock.uptimeMillis() + 5000; 11102 synchronized (conn) { 11103 long now = SystemClock.uptimeMillis(); 11104 while (conn.mContainerService == null && now < timeout) { 11105 try { 11106 conn.wait(timeout - now); 11107 } catch (InterruptedException e) { 11108 } 11109 } 11110 } 11111 if (conn.mContainerService == null) { 11112 return; 11113 } 11114 11115 final UserEnvironment userEnv = new UserEnvironment(curUser); 11116 clearDirectory(conn.mContainerService, 11117 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11118 if (allData) { 11119 clearDirectory(conn.mContainerService, 11120 userEnv.buildExternalStorageAppDataDirs(packageName)); 11121 clearDirectory(conn.mContainerService, 11122 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11123 } 11124 } 11125 } finally { 11126 mContext.unbindService(conn); 11127 } 11128 } 11129 } 11130 11131 @Override 11132 public void clearApplicationUserData(final String packageName, 11133 final IPackageDataObserver observer, final int userId) { 11134 mContext.enforceCallingOrSelfPermission( 11135 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11136 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 11137 // Queue up an async operation since the package deletion may take a little while. 11138 mHandler.post(new Runnable() { 11139 public void run() { 11140 mHandler.removeCallbacks(this); 11141 final boolean succeeded; 11142 synchronized (mInstallLock) { 11143 succeeded = clearApplicationUserDataLI(packageName, userId); 11144 } 11145 clearExternalStorageDataSync(packageName, userId, true); 11146 if (succeeded) { 11147 // invoke DeviceStorageMonitor's update method to clear any notifications 11148 DeviceStorageMonitorInternal 11149 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11150 if (dsm != null) { 11151 dsm.checkMemory(); 11152 } 11153 } 11154 if(observer != null) { 11155 try { 11156 observer.onRemoveCompleted(packageName, succeeded); 11157 } catch (RemoteException e) { 11158 Log.i(TAG, "Observer no longer exists."); 11159 } 11160 } //end if observer 11161 } //end run 11162 }); 11163 } 11164 11165 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11166 if (packageName == null) { 11167 Slog.w(TAG, "Attempt to delete null packageName."); 11168 return false; 11169 } 11170 PackageParser.Package p; 11171 boolean dataOnly = false; 11172 final int appId; 11173 synchronized (mPackages) { 11174 p = mPackages.get(packageName); 11175 if (p == null) { 11176 dataOnly = true; 11177 PackageSetting ps = mSettings.mPackages.get(packageName); 11178 if ((ps == null) || (ps.pkg == null)) { 11179 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11180 return false; 11181 } 11182 p = ps.pkg; 11183 } 11184 if (!dataOnly) { 11185 // need to check this only for fully installed applications 11186 if (p == null) { 11187 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11188 return false; 11189 } 11190 final ApplicationInfo applicationInfo = p.applicationInfo; 11191 if (applicationInfo == null) { 11192 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11193 return false; 11194 } 11195 } 11196 if (p != null && p.applicationInfo != null) { 11197 appId = p.applicationInfo.uid; 11198 } else { 11199 appId = -1; 11200 } 11201 } 11202 int retCode = mInstaller.clearUserData(packageName, userId); 11203 if (retCode < 0) { 11204 Slog.w(TAG, "Couldn't remove cache files for package: " 11205 + packageName); 11206 return false; 11207 } 11208 removeKeystoreDataIfNeeded(userId, appId); 11209 return true; 11210 } 11211 11212 /** 11213 * Remove entries from the keystore daemon. Will only remove it if the 11214 * {@code appId} is valid. 11215 */ 11216 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11217 if (appId < 0) { 11218 return; 11219 } 11220 11221 final KeyStore keyStore = KeyStore.getInstance(); 11222 if (keyStore != null) { 11223 if (userId == UserHandle.USER_ALL) { 11224 for (final int individual : sUserManager.getUserIds()) { 11225 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11226 } 11227 } else { 11228 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11229 } 11230 } else { 11231 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11232 } 11233 } 11234 11235 @Override 11236 public void deleteApplicationCacheFiles(final String packageName, 11237 final IPackageDataObserver observer) { 11238 mContext.enforceCallingOrSelfPermission( 11239 android.Manifest.permission.DELETE_CACHE_FILES, null); 11240 // Queue up an async operation since the package deletion may take a little while. 11241 final int userId = UserHandle.getCallingUserId(); 11242 mHandler.post(new Runnable() { 11243 public void run() { 11244 mHandler.removeCallbacks(this); 11245 final boolean succeded; 11246 synchronized (mInstallLock) { 11247 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11248 } 11249 clearExternalStorageDataSync(packageName, userId, false); 11250 if(observer != null) { 11251 try { 11252 observer.onRemoveCompleted(packageName, succeded); 11253 } catch (RemoteException e) { 11254 Log.i(TAG, "Observer no longer exists."); 11255 } 11256 } //end if observer 11257 } //end run 11258 }); 11259 } 11260 11261 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11262 if (packageName == null) { 11263 Slog.w(TAG, "Attempt to delete null packageName."); 11264 return false; 11265 } 11266 PackageParser.Package p; 11267 synchronized (mPackages) { 11268 p = mPackages.get(packageName); 11269 } 11270 if (p == null) { 11271 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11272 return false; 11273 } 11274 final ApplicationInfo applicationInfo = p.applicationInfo; 11275 if (applicationInfo == null) { 11276 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11277 return false; 11278 } 11279 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11280 if (retCode < 0) { 11281 Slog.w(TAG, "Couldn't remove cache files for package: " 11282 + packageName + " u" + userId); 11283 return false; 11284 } 11285 return true; 11286 } 11287 11288 @Override 11289 public void getPackageSizeInfo(final String packageName, int userHandle, 11290 final IPackageStatsObserver observer) { 11291 mContext.enforceCallingOrSelfPermission( 11292 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11293 if (packageName == null) { 11294 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11295 } 11296 11297 PackageStats stats = new PackageStats(packageName, userHandle); 11298 11299 /* 11300 * Queue up an async operation since the package measurement may take a 11301 * little while. 11302 */ 11303 Message msg = mHandler.obtainMessage(INIT_COPY); 11304 msg.obj = new MeasureParams(stats, observer); 11305 mHandler.sendMessage(msg); 11306 } 11307 11308 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11309 PackageStats pStats) { 11310 if (packageName == null) { 11311 Slog.w(TAG, "Attempt to get size of null packageName."); 11312 return false; 11313 } 11314 PackageParser.Package p; 11315 boolean dataOnly = false; 11316 String libDirPath = null; 11317 String asecPath = null; 11318 PackageSetting ps = null; 11319 synchronized (mPackages) { 11320 p = mPackages.get(packageName); 11321 ps = mSettings.mPackages.get(packageName); 11322 if(p == null) { 11323 dataOnly = true; 11324 if((ps == null) || (ps.pkg == null)) { 11325 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11326 return false; 11327 } 11328 p = ps.pkg; 11329 } 11330 if (ps != null) { 11331 libDirPath = ps.nativeLibraryPathString; 11332 } 11333 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11334 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11335 if (secureContainerId != null) { 11336 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11337 } 11338 } 11339 } 11340 String publicSrcDir = null; 11341 if(!dataOnly) { 11342 final ApplicationInfo applicationInfo = p.applicationInfo; 11343 if (applicationInfo == null) { 11344 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11345 return false; 11346 } 11347 if (isForwardLocked(p)) { 11348 publicSrcDir = applicationInfo.publicSourceDir; 11349 } 11350 } 11351 int res = mInstaller.getSizeInfo(packageName, userHandle, p.codePath, libDirPath, 11352 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11353 pStats); 11354 if (res < 0) { 11355 return false; 11356 } 11357 11358 // Fix-up for forward-locked applications in ASEC containers. 11359 if (!isExternal(p)) { 11360 pStats.codeSize += pStats.externalCodeSize; 11361 pStats.externalCodeSize = 0L; 11362 } 11363 11364 return true; 11365 } 11366 11367 11368 @Override 11369 public void addPackageToPreferred(String packageName) { 11370 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11371 } 11372 11373 @Override 11374 public void removePackageFromPreferred(String packageName) { 11375 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11376 } 11377 11378 @Override 11379 public List<PackageInfo> getPreferredPackages(int flags) { 11380 return new ArrayList<PackageInfo>(); 11381 } 11382 11383 private int getUidTargetSdkVersionLockedLPr(int uid) { 11384 Object obj = mSettings.getUserIdLPr(uid); 11385 if (obj instanceof SharedUserSetting) { 11386 final SharedUserSetting sus = (SharedUserSetting) obj; 11387 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11388 final Iterator<PackageSetting> it = sus.packages.iterator(); 11389 while (it.hasNext()) { 11390 final PackageSetting ps = it.next(); 11391 if (ps.pkg != null) { 11392 int v = ps.pkg.applicationInfo.targetSdkVersion; 11393 if (v < vers) vers = v; 11394 } 11395 } 11396 return vers; 11397 } else if (obj instanceof PackageSetting) { 11398 final PackageSetting ps = (PackageSetting) obj; 11399 if (ps.pkg != null) { 11400 return ps.pkg.applicationInfo.targetSdkVersion; 11401 } 11402 } 11403 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11404 } 11405 11406 @Override 11407 public void addPreferredActivity(IntentFilter filter, int match, 11408 ComponentName[] set, ComponentName activity, int userId) { 11409 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11410 } 11411 11412 private void addPreferredActivityInternal(IntentFilter filter, int match, 11413 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11414 // writer 11415 int callingUid = Binder.getCallingUid(); 11416 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11417 if (filter.countActions() == 0) { 11418 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11419 return; 11420 } 11421 synchronized (mPackages) { 11422 if (mContext.checkCallingOrSelfPermission( 11423 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11424 != PackageManager.PERMISSION_GRANTED) { 11425 if (getUidTargetSdkVersionLockedLPr(callingUid) 11426 < Build.VERSION_CODES.FROYO) { 11427 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11428 + callingUid); 11429 return; 11430 } 11431 mContext.enforceCallingOrSelfPermission( 11432 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11433 } 11434 11435 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11436 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11437 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11438 new PreferredActivity(filter, match, set, activity, always)); 11439 mSettings.writePackageRestrictionsLPr(userId); 11440 } 11441 } 11442 11443 @Override 11444 public void replacePreferredActivity(IntentFilter filter, int match, 11445 ComponentName[] set, ComponentName activity) { 11446 if (filter.countActions() != 1) { 11447 throw new IllegalArgumentException( 11448 "replacePreferredActivity expects filter to have only 1 action."); 11449 } 11450 if (filter.countDataAuthorities() != 0 11451 || filter.countDataPaths() != 0 11452 || filter.countDataSchemes() > 1 11453 || filter.countDataTypes() != 0) { 11454 throw new IllegalArgumentException( 11455 "replacePreferredActivity expects filter to have no data authorities, " + 11456 "paths, or types; and at most one scheme."); 11457 } 11458 synchronized (mPackages) { 11459 if (mContext.checkCallingOrSelfPermission( 11460 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11461 != PackageManager.PERMISSION_GRANTED) { 11462 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11463 < Build.VERSION_CODES.FROYO) { 11464 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11465 + Binder.getCallingUid()); 11466 return; 11467 } 11468 mContext.enforceCallingOrSelfPermission( 11469 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11470 } 11471 11472 final int callingUserId = UserHandle.getCallingUserId(); 11473 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11474 if (pir != null) { 11475 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11476 if (filter.countDataSchemes() == 1) { 11477 Uri.Builder builder = new Uri.Builder(); 11478 builder.scheme(filter.getDataScheme(0)); 11479 intent.setData(builder.build()); 11480 } 11481 List<PreferredActivity> matches = pir.queryIntent( 11482 intent, null, true, callingUserId); 11483 if (DEBUG_PREFERRED) { 11484 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11485 } 11486 for (int i = 0; i < matches.size(); i++) { 11487 PreferredActivity pa = matches.get(i); 11488 if (DEBUG_PREFERRED) { 11489 Slog.i(TAG, "Removing preferred activity " 11490 + pa.mPref.mComponent + ":"); 11491 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11492 } 11493 pir.removeFilter(pa); 11494 } 11495 } 11496 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11497 } 11498 } 11499 11500 @Override 11501 public void clearPackagePreferredActivities(String packageName) { 11502 final int uid = Binder.getCallingUid(); 11503 // writer 11504 synchronized (mPackages) { 11505 PackageParser.Package pkg = mPackages.get(packageName); 11506 if (pkg == null || pkg.applicationInfo.uid != uid) { 11507 if (mContext.checkCallingOrSelfPermission( 11508 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11509 != PackageManager.PERMISSION_GRANTED) { 11510 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11511 < Build.VERSION_CODES.FROYO) { 11512 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11513 + Binder.getCallingUid()); 11514 return; 11515 } 11516 mContext.enforceCallingOrSelfPermission( 11517 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11518 } 11519 } 11520 11521 int user = UserHandle.getCallingUserId(); 11522 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11523 mSettings.writePackageRestrictionsLPr(user); 11524 scheduleWriteSettingsLocked(); 11525 } 11526 } 11527 } 11528 11529 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11530 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11531 ArrayList<PreferredActivity> removed = null; 11532 boolean changed = false; 11533 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11534 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11535 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11536 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11537 continue; 11538 } 11539 Iterator<PreferredActivity> it = pir.filterIterator(); 11540 while (it.hasNext()) { 11541 PreferredActivity pa = it.next(); 11542 // Mark entry for removal only if it matches the package name 11543 // and the entry is of type "always". 11544 if (packageName == null || 11545 (pa.mPref.mComponent.getPackageName().equals(packageName) 11546 && pa.mPref.mAlways)) { 11547 if (removed == null) { 11548 removed = new ArrayList<PreferredActivity>(); 11549 } 11550 removed.add(pa); 11551 } 11552 } 11553 if (removed != null) { 11554 for (int j=0; j<removed.size(); j++) { 11555 PreferredActivity pa = removed.get(j); 11556 pir.removeFilter(pa); 11557 } 11558 changed = true; 11559 } 11560 } 11561 return changed; 11562 } 11563 11564 @Override 11565 public void resetPreferredActivities(int userId) { 11566 mContext.enforceCallingOrSelfPermission( 11567 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11568 // writer 11569 synchronized (mPackages) { 11570 int user = UserHandle.getCallingUserId(); 11571 clearPackagePreferredActivitiesLPw(null, user); 11572 mSettings.readDefaultPreferredAppsLPw(this, user); 11573 mSettings.writePackageRestrictionsLPr(user); 11574 scheduleWriteSettingsLocked(); 11575 } 11576 } 11577 11578 @Override 11579 public int getPreferredActivities(List<IntentFilter> outFilters, 11580 List<ComponentName> outActivities, String packageName) { 11581 11582 int num = 0; 11583 final int userId = UserHandle.getCallingUserId(); 11584 // reader 11585 synchronized (mPackages) { 11586 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11587 if (pir != null) { 11588 final Iterator<PreferredActivity> it = pir.filterIterator(); 11589 while (it.hasNext()) { 11590 final PreferredActivity pa = it.next(); 11591 if (packageName == null 11592 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11593 && pa.mPref.mAlways)) { 11594 if (outFilters != null) { 11595 outFilters.add(new IntentFilter(pa)); 11596 } 11597 if (outActivities != null) { 11598 outActivities.add(pa.mPref.mComponent); 11599 } 11600 } 11601 } 11602 } 11603 } 11604 11605 return num; 11606 } 11607 11608 @Override 11609 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11610 int userId) { 11611 int callingUid = Binder.getCallingUid(); 11612 if (callingUid != Process.SYSTEM_UID) { 11613 throw new SecurityException( 11614 "addPersistentPreferredActivity can only be run by the system"); 11615 } 11616 if (filter.countActions() == 0) { 11617 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11618 return; 11619 } 11620 synchronized (mPackages) { 11621 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11622 " :"); 11623 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11624 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11625 new PersistentPreferredActivity(filter, activity)); 11626 mSettings.writePackageRestrictionsLPr(userId); 11627 } 11628 } 11629 11630 @Override 11631 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11632 int callingUid = Binder.getCallingUid(); 11633 if (callingUid != Process.SYSTEM_UID) { 11634 throw new SecurityException( 11635 "clearPackagePersistentPreferredActivities can only be run by the system"); 11636 } 11637 ArrayList<PersistentPreferredActivity> removed = null; 11638 boolean changed = false; 11639 synchronized (mPackages) { 11640 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11641 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11642 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11643 .valueAt(i); 11644 if (userId != thisUserId) { 11645 continue; 11646 } 11647 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11648 while (it.hasNext()) { 11649 PersistentPreferredActivity ppa = it.next(); 11650 // Mark entry for removal only if it matches the package name. 11651 if (ppa.mComponent.getPackageName().equals(packageName)) { 11652 if (removed == null) { 11653 removed = new ArrayList<PersistentPreferredActivity>(); 11654 } 11655 removed.add(ppa); 11656 } 11657 } 11658 if (removed != null) { 11659 for (int j=0; j<removed.size(); j++) { 11660 PersistentPreferredActivity ppa = removed.get(j); 11661 ppir.removeFilter(ppa); 11662 } 11663 changed = true; 11664 } 11665 } 11666 11667 if (changed) { 11668 mSettings.writePackageRestrictionsLPr(userId); 11669 } 11670 } 11671 } 11672 11673 @Override 11674 public void addCrossProfileIntentFilter(IntentFilter intentFilter, int sourceUserId, 11675 int targetUserId, int flags) { 11676 mContext.enforceCallingOrSelfPermission( 11677 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11678 if (intentFilter.countActions() == 0) { 11679 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11680 return; 11681 } 11682 synchronized (mPackages) { 11683 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11684 targetUserId, flags); 11685 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11686 mSettings.writePackageRestrictionsLPr(sourceUserId); 11687 } 11688 } 11689 11690 public void addCrossProfileIntentsForPackage(String packageName, 11691 int sourceUserId, int targetUserId) { 11692 mContext.enforceCallingOrSelfPermission( 11693 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11694 mSettings.addCrossProfilePackage(packageName, sourceUserId, targetUserId); 11695 mSettings.writePackageRestrictionsLPr(sourceUserId); 11696 } 11697 11698 public void removeCrossProfileIntentsForPackage(String packageName, 11699 int sourceUserId, int targetUserId) { 11700 mContext.enforceCallingOrSelfPermission( 11701 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11702 mSettings.removeCrossProfilePackage(packageName, sourceUserId, targetUserId); 11703 mSettings.writePackageRestrictionsLPr(sourceUserId); 11704 } 11705 11706 @Override 11707 public void clearCrossProfileIntentFilters(int sourceUserId) { 11708 mContext.enforceCallingOrSelfPermission( 11709 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11710 synchronized (mPackages) { 11711 CrossProfileIntentResolver resolver = 11712 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11713 HashSet<CrossProfileIntentFilter> set = 11714 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11715 for (CrossProfileIntentFilter filter : set) { 11716 if ((filter.getFlags() & PackageManager.SET_BY_PROFILE_OWNER) != 0) { 11717 resolver.removeFilter(filter); 11718 } 11719 } 11720 mSettings.writePackageRestrictionsLPr(sourceUserId); 11721 } 11722 } 11723 11724 @Override 11725 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11726 Intent intent = new Intent(Intent.ACTION_MAIN); 11727 intent.addCategory(Intent.CATEGORY_HOME); 11728 11729 final int callingUserId = UserHandle.getCallingUserId(); 11730 List<ResolveInfo> list = queryIntentActivities(intent, null, 11731 PackageManager.GET_META_DATA, callingUserId); 11732 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11733 true, false, false, callingUserId); 11734 11735 allHomeCandidates.clear(); 11736 if (list != null) { 11737 for (ResolveInfo ri : list) { 11738 allHomeCandidates.add(ri); 11739 } 11740 } 11741 return (preferred == null || preferred.activityInfo == null) 11742 ? null 11743 : new ComponentName(preferred.activityInfo.packageName, 11744 preferred.activityInfo.name); 11745 } 11746 11747 @Override 11748 public void setApplicationEnabledSetting(String appPackageName, 11749 int newState, int flags, int userId, String callingPackage) { 11750 if (!sUserManager.exists(userId)) return; 11751 if (callingPackage == null) { 11752 callingPackage = Integer.toString(Binder.getCallingUid()); 11753 } 11754 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11755 } 11756 11757 @Override 11758 public void setComponentEnabledSetting(ComponentName componentName, 11759 int newState, int flags, int userId) { 11760 if (!sUserManager.exists(userId)) return; 11761 setEnabledSetting(componentName.getPackageName(), 11762 componentName.getClassName(), newState, flags, userId, null); 11763 } 11764 11765 private void setEnabledSetting(final String packageName, String className, int newState, 11766 final int flags, int userId, String callingPackage) { 11767 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11768 || newState == COMPONENT_ENABLED_STATE_ENABLED 11769 || newState == COMPONENT_ENABLED_STATE_DISABLED 11770 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11771 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11772 throw new IllegalArgumentException("Invalid new component state: " 11773 + newState); 11774 } 11775 PackageSetting pkgSetting; 11776 final int uid = Binder.getCallingUid(); 11777 final int permission = mContext.checkCallingOrSelfPermission( 11778 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11779 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11780 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11781 boolean sendNow = false; 11782 boolean isApp = (className == null); 11783 String componentName = isApp ? packageName : className; 11784 int packageUid = -1; 11785 ArrayList<String> components; 11786 11787 // writer 11788 synchronized (mPackages) { 11789 pkgSetting = mSettings.mPackages.get(packageName); 11790 if (pkgSetting == null) { 11791 if (className == null) { 11792 throw new IllegalArgumentException( 11793 "Unknown package: " + packageName); 11794 } 11795 throw new IllegalArgumentException( 11796 "Unknown component: " + packageName 11797 + "/" + className); 11798 } 11799 // Allow root and verify that userId is not being specified by a different user 11800 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11801 throw new SecurityException( 11802 "Permission Denial: attempt to change component state from pid=" 11803 + Binder.getCallingPid() 11804 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11805 } 11806 if (className == null) { 11807 // We're dealing with an application/package level state change 11808 if (pkgSetting.getEnabled(userId) == newState) { 11809 // Nothing to do 11810 return; 11811 } 11812 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11813 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11814 // Don't care about who enables an app. 11815 callingPackage = null; 11816 } 11817 pkgSetting.setEnabled(newState, userId, callingPackage); 11818 // pkgSetting.pkg.mSetEnabled = newState; 11819 } else { 11820 // We're dealing with a component level state change 11821 // First, verify that this is a valid class name. 11822 PackageParser.Package pkg = pkgSetting.pkg; 11823 if (pkg == null || !pkg.hasComponentClassName(className)) { 11824 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11825 throw new IllegalArgumentException("Component class " + className 11826 + " does not exist in " + packageName); 11827 } else { 11828 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11829 + className + " does not exist in " + packageName); 11830 } 11831 } 11832 switch (newState) { 11833 case COMPONENT_ENABLED_STATE_ENABLED: 11834 if (!pkgSetting.enableComponentLPw(className, userId)) { 11835 return; 11836 } 11837 break; 11838 case COMPONENT_ENABLED_STATE_DISABLED: 11839 if (!pkgSetting.disableComponentLPw(className, userId)) { 11840 return; 11841 } 11842 break; 11843 case COMPONENT_ENABLED_STATE_DEFAULT: 11844 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11845 return; 11846 } 11847 break; 11848 default: 11849 Slog.e(TAG, "Invalid new component state: " + newState); 11850 return; 11851 } 11852 } 11853 mSettings.writePackageRestrictionsLPr(userId); 11854 components = mPendingBroadcasts.get(userId, packageName); 11855 final boolean newPackage = components == null; 11856 if (newPackage) { 11857 components = new ArrayList<String>(); 11858 } 11859 if (!components.contains(componentName)) { 11860 components.add(componentName); 11861 } 11862 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11863 sendNow = true; 11864 // Purge entry from pending broadcast list if another one exists already 11865 // since we are sending one right away. 11866 mPendingBroadcasts.remove(userId, packageName); 11867 } else { 11868 if (newPackage) { 11869 mPendingBroadcasts.put(userId, packageName, components); 11870 } 11871 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11872 // Schedule a message 11873 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11874 } 11875 } 11876 } 11877 11878 long callingId = Binder.clearCallingIdentity(); 11879 try { 11880 if (sendNow) { 11881 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11882 sendPackageChangedBroadcast(packageName, 11883 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11884 } 11885 } finally { 11886 Binder.restoreCallingIdentity(callingId); 11887 } 11888 } 11889 11890 private void sendPackageChangedBroadcast(String packageName, 11891 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11892 if (DEBUG_INSTALL) 11893 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11894 + componentNames); 11895 Bundle extras = new Bundle(4); 11896 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11897 String nameList[] = new String[componentNames.size()]; 11898 componentNames.toArray(nameList); 11899 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11900 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11901 extras.putInt(Intent.EXTRA_UID, packageUid); 11902 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11903 new int[] {UserHandle.getUserId(packageUid)}); 11904 } 11905 11906 @Override 11907 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11908 if (!sUserManager.exists(userId)) return; 11909 final int uid = Binder.getCallingUid(); 11910 final int permission = mContext.checkCallingOrSelfPermission( 11911 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11912 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11913 enforceCrossUserPermission(uid, userId, true, "stop package"); 11914 // writer 11915 synchronized (mPackages) { 11916 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11917 uid, userId)) { 11918 scheduleWritePackageRestrictionsLocked(userId); 11919 } 11920 } 11921 } 11922 11923 @Override 11924 public String getInstallerPackageName(String packageName) { 11925 // reader 11926 synchronized (mPackages) { 11927 return mSettings.getInstallerPackageNameLPr(packageName); 11928 } 11929 } 11930 11931 @Override 11932 public int getApplicationEnabledSetting(String packageName, int userId) { 11933 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11934 int uid = Binder.getCallingUid(); 11935 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11936 // reader 11937 synchronized (mPackages) { 11938 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11939 } 11940 } 11941 11942 @Override 11943 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11944 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11945 int uid = Binder.getCallingUid(); 11946 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11947 // reader 11948 synchronized (mPackages) { 11949 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11950 } 11951 } 11952 11953 @Override 11954 public void enterSafeMode() { 11955 enforceSystemOrRoot("Only the system can request entering safe mode"); 11956 11957 if (!mSystemReady) { 11958 mSafeMode = true; 11959 } 11960 } 11961 11962 @Override 11963 public void systemReady() { 11964 mSystemReady = true; 11965 11966 // Read the compatibilty setting when the system is ready. 11967 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11968 mContext.getContentResolver(), 11969 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11970 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11971 if (DEBUG_SETTINGS) { 11972 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11973 } 11974 11975 synchronized (mPackages) { 11976 // Verify that all of the preferred activity components actually 11977 // exist. It is possible for applications to be updated and at 11978 // that point remove a previously declared activity component that 11979 // had been set as a preferred activity. We try to clean this up 11980 // the next time we encounter that preferred activity, but it is 11981 // possible for the user flow to never be able to return to that 11982 // situation so here we do a sanity check to make sure we haven't 11983 // left any junk around. 11984 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11985 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11986 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11987 removed.clear(); 11988 for (PreferredActivity pa : pir.filterSet()) { 11989 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11990 removed.add(pa); 11991 } 11992 } 11993 if (removed.size() > 0) { 11994 for (int r=0; r<removed.size(); r++) { 11995 PreferredActivity pa = removed.get(r); 11996 Slog.w(TAG, "Removing dangling preferred activity: " 11997 + pa.mPref.mComponent); 11998 pir.removeFilter(pa); 11999 } 12000 mSettings.writePackageRestrictionsLPr( 12001 mSettings.mPreferredActivities.keyAt(i)); 12002 } 12003 } 12004 } 12005 sUserManager.systemReady(); 12006 } 12007 12008 @Override 12009 public boolean isSafeMode() { 12010 return mSafeMode; 12011 } 12012 12013 @Override 12014 public boolean hasSystemUidErrors() { 12015 return mHasSystemUidErrors; 12016 } 12017 12018 static String arrayToString(int[] array) { 12019 StringBuffer buf = new StringBuffer(128); 12020 buf.append('['); 12021 if (array != null) { 12022 for (int i=0; i<array.length; i++) { 12023 if (i > 0) buf.append(", "); 12024 buf.append(array[i]); 12025 } 12026 } 12027 buf.append(']'); 12028 return buf.toString(); 12029 } 12030 12031 static class DumpState { 12032 public static final int DUMP_LIBS = 1 << 0; 12033 12034 public static final int DUMP_FEATURES = 1 << 1; 12035 12036 public static final int DUMP_RESOLVERS = 1 << 2; 12037 12038 public static final int DUMP_PERMISSIONS = 1 << 3; 12039 12040 public static final int DUMP_PACKAGES = 1 << 4; 12041 12042 public static final int DUMP_SHARED_USERS = 1 << 5; 12043 12044 public static final int DUMP_MESSAGES = 1 << 6; 12045 12046 public static final int DUMP_PROVIDERS = 1 << 7; 12047 12048 public static final int DUMP_VERIFIERS = 1 << 8; 12049 12050 public static final int DUMP_PREFERRED = 1 << 9; 12051 12052 public static final int DUMP_PREFERRED_XML = 1 << 10; 12053 12054 public static final int DUMP_KEYSETS = 1 << 11; 12055 12056 public static final int DUMP_VERSION = 1 << 12; 12057 12058 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12059 12060 private int mTypes; 12061 12062 private int mOptions; 12063 12064 private boolean mTitlePrinted; 12065 12066 private SharedUserSetting mSharedUser; 12067 12068 public boolean isDumping(int type) { 12069 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12070 return true; 12071 } 12072 12073 return (mTypes & type) != 0; 12074 } 12075 12076 public void setDump(int type) { 12077 mTypes |= type; 12078 } 12079 12080 public boolean isOptionEnabled(int option) { 12081 return (mOptions & option) != 0; 12082 } 12083 12084 public void setOptionEnabled(int option) { 12085 mOptions |= option; 12086 } 12087 12088 public boolean onTitlePrinted() { 12089 final boolean printed = mTitlePrinted; 12090 mTitlePrinted = true; 12091 return printed; 12092 } 12093 12094 public boolean getTitlePrinted() { 12095 return mTitlePrinted; 12096 } 12097 12098 public void setTitlePrinted(boolean enabled) { 12099 mTitlePrinted = enabled; 12100 } 12101 12102 public SharedUserSetting getSharedUser() { 12103 return mSharedUser; 12104 } 12105 12106 public void setSharedUser(SharedUserSetting user) { 12107 mSharedUser = user; 12108 } 12109 } 12110 12111 @Override 12112 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12113 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12114 != PackageManager.PERMISSION_GRANTED) { 12115 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12116 + Binder.getCallingPid() 12117 + ", uid=" + Binder.getCallingUid() 12118 + " without permission " 12119 + android.Manifest.permission.DUMP); 12120 return; 12121 } 12122 12123 DumpState dumpState = new DumpState(); 12124 boolean fullPreferred = false; 12125 boolean checkin = false; 12126 12127 String packageName = null; 12128 12129 int opti = 0; 12130 while (opti < args.length) { 12131 String opt = args[opti]; 12132 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12133 break; 12134 } 12135 opti++; 12136 if ("-a".equals(opt)) { 12137 // Right now we only know how to print all. 12138 } else if ("-h".equals(opt)) { 12139 pw.println("Package manager dump options:"); 12140 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12141 pw.println(" --checkin: dump for a checkin"); 12142 pw.println(" -f: print details of intent filters"); 12143 pw.println(" -h: print this help"); 12144 pw.println(" cmd may be one of:"); 12145 pw.println(" l[ibraries]: list known shared libraries"); 12146 pw.println(" f[ibraries]: list device features"); 12147 pw.println(" k[eysets]: print known keysets"); 12148 pw.println(" r[esolvers]: dump intent resolvers"); 12149 pw.println(" perm[issions]: dump permissions"); 12150 pw.println(" pref[erred]: print preferred package settings"); 12151 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12152 pw.println(" prov[iders]: dump content providers"); 12153 pw.println(" p[ackages]: dump installed packages"); 12154 pw.println(" s[hared-users]: dump shared user IDs"); 12155 pw.println(" m[essages]: print collected runtime messages"); 12156 pw.println(" v[erifiers]: print package verifier info"); 12157 pw.println(" version: print database version info"); 12158 pw.println(" write: write current settings now"); 12159 pw.println(" <package.name>: info about given package"); 12160 return; 12161 } else if ("--checkin".equals(opt)) { 12162 checkin = true; 12163 } else if ("-f".equals(opt)) { 12164 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12165 } else { 12166 pw.println("Unknown argument: " + opt + "; use -h for help"); 12167 } 12168 } 12169 12170 // Is the caller requesting to dump a particular piece of data? 12171 if (opti < args.length) { 12172 String cmd = args[opti]; 12173 opti++; 12174 // Is this a package name? 12175 if ("android".equals(cmd) || cmd.contains(".")) { 12176 packageName = cmd; 12177 // When dumping a single package, we always dump all of its 12178 // filter information since the amount of data will be reasonable. 12179 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12180 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12181 dumpState.setDump(DumpState.DUMP_LIBS); 12182 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12183 dumpState.setDump(DumpState.DUMP_FEATURES); 12184 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12185 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12186 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12187 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12188 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12189 dumpState.setDump(DumpState.DUMP_PREFERRED); 12190 } else if ("preferred-xml".equals(cmd)) { 12191 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12192 if (opti < args.length && "--full".equals(args[opti])) { 12193 fullPreferred = true; 12194 opti++; 12195 } 12196 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12197 dumpState.setDump(DumpState.DUMP_PACKAGES); 12198 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12199 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12200 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12201 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12202 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12203 dumpState.setDump(DumpState.DUMP_MESSAGES); 12204 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12205 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12206 } else if ("version".equals(cmd)) { 12207 dumpState.setDump(DumpState.DUMP_VERSION); 12208 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12209 dumpState.setDump(DumpState.DUMP_KEYSETS); 12210 } else if ("write".equals(cmd)) { 12211 synchronized (mPackages) { 12212 mSettings.writeLPr(); 12213 pw.println("Settings written."); 12214 return; 12215 } 12216 } 12217 } 12218 12219 if (checkin) { 12220 pw.println("vers,1"); 12221 } 12222 12223 // reader 12224 synchronized (mPackages) { 12225 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12226 if (!checkin) { 12227 if (dumpState.onTitlePrinted()) 12228 pw.println(); 12229 pw.println("Database versions:"); 12230 pw.print(" SDK Version:"); 12231 pw.print(" internal="); 12232 pw.print(mSettings.mInternalSdkPlatform); 12233 pw.print(" external="); 12234 pw.println(mSettings.mExternalSdkPlatform); 12235 pw.print(" DB Version:"); 12236 pw.print(" internal="); 12237 pw.print(mSettings.mInternalDatabaseVersion); 12238 pw.print(" external="); 12239 pw.println(mSettings.mExternalDatabaseVersion); 12240 } 12241 } 12242 12243 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12244 if (!checkin) { 12245 if (dumpState.onTitlePrinted()) 12246 pw.println(); 12247 pw.println("Verifiers:"); 12248 pw.print(" Required: "); 12249 pw.print(mRequiredVerifierPackage); 12250 pw.print(" (uid="); 12251 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12252 pw.println(")"); 12253 } else if (mRequiredVerifierPackage != null) { 12254 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12255 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12256 } 12257 } 12258 12259 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12260 boolean printedHeader = false; 12261 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12262 while (it.hasNext()) { 12263 String name = it.next(); 12264 SharedLibraryEntry ent = mSharedLibraries.get(name); 12265 if (!checkin) { 12266 if (!printedHeader) { 12267 if (dumpState.onTitlePrinted()) 12268 pw.println(); 12269 pw.println("Libraries:"); 12270 printedHeader = true; 12271 } 12272 pw.print(" "); 12273 } else { 12274 pw.print("lib,"); 12275 } 12276 pw.print(name); 12277 if (!checkin) { 12278 pw.print(" -> "); 12279 } 12280 if (ent.path != null) { 12281 if (!checkin) { 12282 pw.print("(jar) "); 12283 pw.print(ent.path); 12284 } else { 12285 pw.print(",jar,"); 12286 pw.print(ent.path); 12287 } 12288 } else { 12289 if (!checkin) { 12290 pw.print("(apk) "); 12291 pw.print(ent.apk); 12292 } else { 12293 pw.print(",apk,"); 12294 pw.print(ent.apk); 12295 } 12296 } 12297 pw.println(); 12298 } 12299 } 12300 12301 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12302 if (dumpState.onTitlePrinted()) 12303 pw.println(); 12304 if (!checkin) { 12305 pw.println("Features:"); 12306 } 12307 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12308 while (it.hasNext()) { 12309 String name = it.next(); 12310 if (!checkin) { 12311 pw.print(" "); 12312 } else { 12313 pw.print("feat,"); 12314 } 12315 pw.println(name); 12316 } 12317 } 12318 12319 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12320 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12321 : "Activity Resolver Table:", " ", packageName, 12322 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12323 dumpState.setTitlePrinted(true); 12324 } 12325 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12326 : "Receiver Resolver Table:", " ", packageName, 12327 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12328 dumpState.setTitlePrinted(true); 12329 } 12330 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12331 : "Service Resolver Table:", " ", packageName, 12332 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12333 dumpState.setTitlePrinted(true); 12334 } 12335 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12336 : "Provider Resolver Table:", " ", packageName, 12337 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12338 dumpState.setTitlePrinted(true); 12339 } 12340 } 12341 12342 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12343 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12344 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12345 int user = mSettings.mPreferredActivities.keyAt(i); 12346 if (pir.dump(pw, 12347 dumpState.getTitlePrinted() 12348 ? "\nPreferred Activities User " + user + ":" 12349 : "Preferred Activities User " + user + ":", " ", 12350 packageName, true)) { 12351 dumpState.setTitlePrinted(true); 12352 } 12353 } 12354 } 12355 12356 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12357 pw.flush(); 12358 FileOutputStream fout = new FileOutputStream(fd); 12359 BufferedOutputStream str = new BufferedOutputStream(fout); 12360 XmlSerializer serializer = new FastXmlSerializer(); 12361 try { 12362 serializer.setOutput(str, "utf-8"); 12363 serializer.startDocument(null, true); 12364 serializer.setFeature( 12365 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12366 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12367 serializer.endDocument(); 12368 serializer.flush(); 12369 } catch (IllegalArgumentException e) { 12370 pw.println("Failed writing: " + e); 12371 } catch (IllegalStateException e) { 12372 pw.println("Failed writing: " + e); 12373 } catch (IOException e) { 12374 pw.println("Failed writing: " + e); 12375 } 12376 } 12377 12378 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12379 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12380 } 12381 12382 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12383 boolean printedSomething = false; 12384 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12385 if (packageName != null && !packageName.equals(p.info.packageName)) { 12386 continue; 12387 } 12388 if (!printedSomething) { 12389 if (dumpState.onTitlePrinted()) 12390 pw.println(); 12391 pw.println("Registered ContentProviders:"); 12392 printedSomething = true; 12393 } 12394 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12395 pw.print(" "); pw.println(p.toString()); 12396 } 12397 printedSomething = false; 12398 for (Map.Entry<String, PackageParser.Provider> entry : 12399 mProvidersByAuthority.entrySet()) { 12400 PackageParser.Provider p = entry.getValue(); 12401 if (packageName != null && !packageName.equals(p.info.packageName)) { 12402 continue; 12403 } 12404 if (!printedSomething) { 12405 if (dumpState.onTitlePrinted()) 12406 pw.println(); 12407 pw.println("ContentProvider Authorities:"); 12408 printedSomething = true; 12409 } 12410 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12411 pw.print(" "); pw.println(p.toString()); 12412 if (p.info != null && p.info.applicationInfo != null) { 12413 final String appInfo = p.info.applicationInfo.toString(); 12414 pw.print(" applicationInfo="); pw.println(appInfo); 12415 } 12416 } 12417 } 12418 12419 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12420 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12421 } 12422 12423 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12424 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12425 } 12426 12427 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12428 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12429 } 12430 12431 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12432 if (dumpState.onTitlePrinted()) 12433 pw.println(); 12434 mSettings.dumpReadMessagesLPr(pw, dumpState); 12435 12436 pw.println(); 12437 pw.println("Package warning messages:"); 12438 final File fname = getSettingsProblemFile(); 12439 FileInputStream in = null; 12440 try { 12441 in = new FileInputStream(fname); 12442 final int avail = in.available(); 12443 final byte[] data = new byte[avail]; 12444 in.read(data); 12445 pw.print(new String(data)); 12446 } catch (FileNotFoundException e) { 12447 } catch (IOException e) { 12448 } finally { 12449 if (in != null) { 12450 try { 12451 in.close(); 12452 } catch (IOException e) { 12453 } 12454 } 12455 } 12456 } 12457 } 12458 } 12459 12460 // ------- apps on sdcard specific code ------- 12461 static final boolean DEBUG_SD_INSTALL = false; 12462 12463 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12464 12465 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12466 12467 private boolean mMediaMounted = false; 12468 12469 private String getEncryptKey() { 12470 try { 12471 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12472 SD_ENCRYPTION_KEYSTORE_NAME); 12473 if (sdEncKey == null) { 12474 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12475 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12476 if (sdEncKey == null) { 12477 Slog.e(TAG, "Failed to create encryption keys"); 12478 return null; 12479 } 12480 } 12481 return sdEncKey; 12482 } catch (NoSuchAlgorithmException nsae) { 12483 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12484 return null; 12485 } catch (IOException ioe) { 12486 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12487 return null; 12488 } 12489 12490 } 12491 12492 /* package */static String getTempContainerId() { 12493 int tmpIdx = 1; 12494 String list[] = PackageHelper.getSecureContainerList(); 12495 if (list != null) { 12496 for (final String name : list) { 12497 // Ignore null and non-temporary container entries 12498 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12499 continue; 12500 } 12501 12502 String subStr = name.substring(mTempContainerPrefix.length()); 12503 try { 12504 int cid = Integer.parseInt(subStr); 12505 if (cid >= tmpIdx) { 12506 tmpIdx = cid + 1; 12507 } 12508 } catch (NumberFormatException e) { 12509 } 12510 } 12511 } 12512 return mTempContainerPrefix + tmpIdx; 12513 } 12514 12515 /* 12516 * Update media status on PackageManager. 12517 */ 12518 @Override 12519 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12520 int callingUid = Binder.getCallingUid(); 12521 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12522 throw new SecurityException("Media status can only be updated by the system"); 12523 } 12524 // reader; this apparently protects mMediaMounted, but should probably 12525 // be a different lock in that case. 12526 synchronized (mPackages) { 12527 Log.i(TAG, "Updating external media status from " 12528 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12529 + (mediaStatus ? "mounted" : "unmounted")); 12530 if (DEBUG_SD_INSTALL) 12531 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12532 + ", mMediaMounted=" + mMediaMounted); 12533 if (mediaStatus == mMediaMounted) { 12534 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12535 : 0, -1); 12536 mHandler.sendMessage(msg); 12537 return; 12538 } 12539 mMediaMounted = mediaStatus; 12540 } 12541 // Queue up an async operation since the package installation may take a 12542 // little while. 12543 mHandler.post(new Runnable() { 12544 public void run() { 12545 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12546 } 12547 }); 12548 } 12549 12550 /** 12551 * Called by MountService when the initial ASECs to scan are available. 12552 * Should block until all the ASEC containers are finished being scanned. 12553 */ 12554 public void scanAvailableAsecs() { 12555 updateExternalMediaStatusInner(true, false, false); 12556 if (mShouldRestoreconData) { 12557 SELinuxMMAC.setRestoreconDone(); 12558 mShouldRestoreconData = false; 12559 } 12560 } 12561 12562 /* 12563 * Collect information of applications on external media, map them against 12564 * existing containers and update information based on current mount status. 12565 * Please note that we always have to report status if reportStatus has been 12566 * set to true especially when unloading packages. 12567 */ 12568 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12569 boolean externalStorage) { 12570 // Collection of uids 12571 int uidArr[] = null; 12572 // Collection of stale containers 12573 HashSet<String> removeCids = new HashSet<String>(); 12574 // Collection of packages on external media with valid containers. 12575 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12576 // Get list of secure containers. 12577 final String list[] = PackageHelper.getSecureContainerList(); 12578 if (list == null || list.length == 0) { 12579 Log.i(TAG, "No secure containers on sdcard"); 12580 } else { 12581 // Process list of secure containers and categorize them 12582 // as active or stale based on their package internal state. 12583 int uidList[] = new int[list.length]; 12584 int num = 0; 12585 // reader 12586 synchronized (mPackages) { 12587 for (String cid : list) { 12588 if (DEBUG_SD_INSTALL) 12589 Log.i(TAG, "Processing container " + cid); 12590 String pkgName = getAsecPackageName(cid); 12591 if (pkgName == null) { 12592 if (DEBUG_SD_INSTALL) 12593 Log.i(TAG, "Container : " + cid + " stale"); 12594 removeCids.add(cid); 12595 continue; 12596 } 12597 if (DEBUG_SD_INSTALL) 12598 Log.i(TAG, "Looking for pkg : " + pkgName); 12599 12600 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12601 if (ps == null) { 12602 Log.i(TAG, "Deleting container with no matching settings " + cid); 12603 removeCids.add(cid); 12604 continue; 12605 } 12606 12607 /* 12608 * Skip packages that are not external if we're unmounting 12609 * external storage. 12610 */ 12611 if (externalStorage && !isMounted && !isExternal(ps)) { 12612 continue; 12613 } 12614 12615 final AsecInstallArgs args = new AsecInstallArgs(cid, 12616 getAppInstructionSetFromSettings(ps), 12617 isForwardLocked(ps)); 12618 // The package status is changed only if the code path 12619 // matches between settings and the container id. 12620 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12621 if (DEBUG_SD_INSTALL) { 12622 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12623 + " at code path: " + ps.codePathString); 12624 } 12625 12626 // We do have a valid package installed on sdcard 12627 processCids.put(args, ps.codePathString); 12628 final int uid = ps.appId; 12629 if (uid != -1) { 12630 uidList[num++] = uid; 12631 } 12632 } else { 12633 Log.i(TAG, "Deleting stale container for " + cid); 12634 removeCids.add(cid); 12635 } 12636 } 12637 } 12638 12639 if (num > 0) { 12640 // Sort uid list 12641 Arrays.sort(uidList, 0, num); 12642 // Throw away duplicates 12643 uidArr = new int[num]; 12644 uidArr[0] = uidList[0]; 12645 int di = 0; 12646 for (int i = 1; i < num; i++) { 12647 if (uidList[i - 1] != uidList[i]) { 12648 uidArr[di++] = uidList[i]; 12649 } 12650 } 12651 } 12652 } 12653 // Process packages with valid entries. 12654 if (isMounted) { 12655 if (DEBUG_SD_INSTALL) 12656 Log.i(TAG, "Loading packages"); 12657 loadMediaPackages(processCids, uidArr, removeCids); 12658 startCleaningPackages(); 12659 } else { 12660 if (DEBUG_SD_INSTALL) 12661 Log.i(TAG, "Unloading packages"); 12662 unloadMediaPackages(processCids, uidArr, reportStatus); 12663 } 12664 } 12665 12666 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12667 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12668 int size = pkgList.size(); 12669 if (size > 0) { 12670 // Send broadcasts here 12671 Bundle extras = new Bundle(); 12672 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12673 .toArray(new String[size])); 12674 if (uidArr != null) { 12675 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12676 } 12677 if (replacing) { 12678 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12679 } 12680 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12681 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12682 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12683 } 12684 } 12685 12686 /* 12687 * Look at potentially valid container ids from processCids If package 12688 * information doesn't match the one on record or package scanning fails, 12689 * the cid is added to list of removeCids. We currently don't delete stale 12690 * containers. 12691 */ 12692 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12693 HashSet<String> removeCids) { 12694 ArrayList<String> pkgList = new ArrayList<String>(); 12695 Set<AsecInstallArgs> keys = processCids.keySet(); 12696 boolean doGc = false; 12697 for (AsecInstallArgs args : keys) { 12698 String codePath = processCids.get(args); 12699 if (DEBUG_SD_INSTALL) 12700 Log.i(TAG, "Loading container : " + args.cid); 12701 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12702 try { 12703 // Make sure there are no container errors first. 12704 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12705 Slog.e(TAG, "Failed to mount cid : " + args.cid 12706 + " when installing from sdcard"); 12707 continue; 12708 } 12709 // Check code path here. 12710 if (codePath == null || !codePath.equals(args.getCodePath())) { 12711 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12712 + " does not match one in settings " + codePath); 12713 continue; 12714 } 12715 // Parse package 12716 int parseFlags = mDefParseFlags; 12717 if (args.isExternal()) { 12718 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12719 } 12720 if (args.isFwdLocked()) { 12721 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12722 } 12723 12724 doGc = true; 12725 synchronized (mInstallLock) { 12726 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12727 0, 0, null, null); 12728 // Scan the package 12729 if (pkg != null) { 12730 /* 12731 * TODO why is the lock being held? doPostInstall is 12732 * called in other places without the lock. This needs 12733 * to be straightened out. 12734 */ 12735 // writer 12736 synchronized (mPackages) { 12737 retCode = PackageManager.INSTALL_SUCCEEDED; 12738 pkgList.add(pkg.packageName); 12739 // Post process args 12740 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12741 pkg.applicationInfo.uid); 12742 } 12743 } else { 12744 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12745 } 12746 } 12747 12748 } finally { 12749 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12750 // Don't destroy container here. Wait till gc clears things 12751 // up. 12752 removeCids.add(args.cid); 12753 } 12754 } 12755 } 12756 // writer 12757 synchronized (mPackages) { 12758 // If the platform SDK has changed since the last time we booted, 12759 // we need to re-grant app permission to catch any new ones that 12760 // appear. This is really a hack, and means that apps can in some 12761 // cases get permissions that the user didn't initially explicitly 12762 // allow... it would be nice to have some better way to handle 12763 // this situation. 12764 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12765 if (regrantPermissions) 12766 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12767 + mSdkVersion + "; regranting permissions for external storage"); 12768 mSettings.mExternalSdkPlatform = mSdkVersion; 12769 12770 // Make sure group IDs have been assigned, and any permission 12771 // changes in other apps are accounted for 12772 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12773 | (regrantPermissions 12774 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12775 : 0)); 12776 12777 mSettings.updateExternalDatabaseVersion(); 12778 12779 // can downgrade to reader 12780 // Persist settings 12781 mSettings.writeLPr(); 12782 } 12783 // Send a broadcast to let everyone know we are done processing 12784 if (pkgList.size() > 0) { 12785 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12786 } 12787 // Force gc to avoid any stale parser references that we might have. 12788 if (doGc) { 12789 Runtime.getRuntime().gc(); 12790 } 12791 // List stale containers and destroy stale temporary containers. 12792 if (removeCids != null) { 12793 for (String cid : removeCids) { 12794 if (cid.startsWith(mTempContainerPrefix)) { 12795 Log.i(TAG, "Destroying stale temporary container " + cid); 12796 PackageHelper.destroySdDir(cid); 12797 } else { 12798 Log.w(TAG, "Container " + cid + " is stale"); 12799 } 12800 } 12801 } 12802 } 12803 12804 /* 12805 * Utility method to unload a list of specified containers 12806 */ 12807 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12808 // Just unmount all valid containers. 12809 for (AsecInstallArgs arg : cidArgs) { 12810 synchronized (mInstallLock) { 12811 arg.doPostDeleteLI(false); 12812 } 12813 } 12814 } 12815 12816 /* 12817 * Unload packages mounted on external media. This involves deleting package 12818 * data from internal structures, sending broadcasts about diabled packages, 12819 * gc'ing to free up references, unmounting all secure containers 12820 * corresponding to packages on external media, and posting a 12821 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12822 * that we always have to post this message if status has been requested no 12823 * matter what. 12824 */ 12825 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12826 final boolean reportStatus) { 12827 if (DEBUG_SD_INSTALL) 12828 Log.i(TAG, "unloading media packages"); 12829 ArrayList<String> pkgList = new ArrayList<String>(); 12830 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12831 final Set<AsecInstallArgs> keys = processCids.keySet(); 12832 for (AsecInstallArgs args : keys) { 12833 String pkgName = args.getPackageName(); 12834 if (DEBUG_SD_INSTALL) 12835 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12836 // Delete package internally 12837 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12838 synchronized (mInstallLock) { 12839 boolean res = deletePackageLI(pkgName, null, false, null, null, 12840 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12841 if (res) { 12842 pkgList.add(pkgName); 12843 } else { 12844 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12845 failedList.add(args); 12846 } 12847 } 12848 } 12849 12850 // reader 12851 synchronized (mPackages) { 12852 // We didn't update the settings after removing each package; 12853 // write them now for all packages. 12854 mSettings.writeLPr(); 12855 } 12856 12857 // We have to absolutely send UPDATED_MEDIA_STATUS only 12858 // after confirming that all the receivers processed the ordered 12859 // broadcast when packages get disabled, force a gc to clean things up. 12860 // and unload all the containers. 12861 if (pkgList.size() > 0) { 12862 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12863 new IIntentReceiver.Stub() { 12864 public void performReceive(Intent intent, int resultCode, String data, 12865 Bundle extras, boolean ordered, boolean sticky, 12866 int sendingUser) throws RemoteException { 12867 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12868 reportStatus ? 1 : 0, 1, keys); 12869 mHandler.sendMessage(msg); 12870 } 12871 }); 12872 } else { 12873 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12874 keys); 12875 mHandler.sendMessage(msg); 12876 } 12877 } 12878 12879 /** Binder call */ 12880 @Override 12881 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12882 final int flags) { 12883 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12884 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12885 int returnCode = PackageManager.MOVE_SUCCEEDED; 12886 int currFlags = 0; 12887 int newFlags = 0; 12888 // reader 12889 synchronized (mPackages) { 12890 PackageParser.Package pkg = mPackages.get(packageName); 12891 if (pkg == null) { 12892 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12893 } else { 12894 // Disable moving fwd locked apps and system packages 12895 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12896 Slog.w(TAG, "Cannot move system application"); 12897 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12898 } else if (pkg.mOperationPending) { 12899 Slog.w(TAG, "Attempt to move package which has pending operations"); 12900 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12901 } else { 12902 // Find install location first 12903 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12904 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12905 Slog.w(TAG, "Ambigous flags specified for move location."); 12906 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12907 } else { 12908 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12909 : PackageManager.INSTALL_INTERNAL; 12910 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12911 : PackageManager.INSTALL_INTERNAL; 12912 12913 if (newFlags == currFlags) { 12914 Slog.w(TAG, "No move required. Trying to move to same location"); 12915 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12916 } else { 12917 if (isForwardLocked(pkg)) { 12918 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12919 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12920 } 12921 } 12922 } 12923 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12924 pkg.mOperationPending = true; 12925 } 12926 } 12927 } 12928 12929 /* 12930 * TODO this next block probably shouldn't be inside the lock. We 12931 * can't guarantee these won't change after this is fired off 12932 * anyway. 12933 */ 12934 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12935 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12936 null, -1, user), 12937 returnCode); 12938 } else { 12939 Message msg = mHandler.obtainMessage(INIT_COPY); 12940 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12941 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12942 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12943 instructionSet); 12944 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12945 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12946 msg.obj = mp; 12947 mHandler.sendMessage(msg); 12948 } 12949 } 12950 } 12951 12952 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12953 // Queue up an async operation since the package deletion may take a 12954 // little while. 12955 mHandler.post(new Runnable() { 12956 public void run() { 12957 // TODO fix this; this does nothing. 12958 mHandler.removeCallbacks(this); 12959 int returnCode = currentStatus; 12960 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12961 int uidArr[] = null; 12962 ArrayList<String> pkgList = null; 12963 synchronized (mPackages) { 12964 PackageParser.Package pkg = mPackages.get(mp.packageName); 12965 if (pkg == null) { 12966 Slog.w(TAG, " Package " + mp.packageName 12967 + " doesn't exist. Aborting move"); 12968 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12969 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12970 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12971 + mp.srcArgs.getCodePath() + " to " 12972 + pkg.applicationInfo.sourceDir 12973 + " Aborting move and returning error"); 12974 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12975 } else { 12976 uidArr = new int[] { 12977 pkg.applicationInfo.uid 12978 }; 12979 pkgList = new ArrayList<String>(); 12980 pkgList.add(mp.packageName); 12981 } 12982 } 12983 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12984 // Send resources unavailable broadcast 12985 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12986 // Update package code and resource paths 12987 synchronized (mInstallLock) { 12988 synchronized (mPackages) { 12989 PackageParser.Package pkg = mPackages.get(mp.packageName); 12990 // Recheck for package again. 12991 if (pkg == null) { 12992 Slog.w(TAG, " Package " + mp.packageName 12993 + " doesn't exist. Aborting move"); 12994 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12995 } else if (!mp.srcArgs.getCodePath().equals( 12996 pkg.applicationInfo.sourceDir)) { 12997 Slog.w(TAG, "Package " + mp.packageName 12998 + " code path changed from " + mp.srcArgs.getCodePath() 12999 + " to " + pkg.applicationInfo.sourceDir 13000 + " Aborting move and returning error"); 13001 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 13002 } else { 13003 final String oldCodePath = pkg.codePath; 13004 final String newCodePath = mp.targetArgs.getCodePath(); 13005 final String newResPath = mp.targetArgs.getResourcePath(); 13006 final String newNativePath = mp.targetArgs 13007 .getNativeLibraryPath(); 13008 13009 final File newNativeDir = new File(newNativePath); 13010 13011 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 13012 // NOTE: We do not report any errors from the APK scan and library 13013 // copy at this point. 13014 NativeLibraryHelper.ApkHandle handle = 13015 new NativeLibraryHelper.ApkHandle(newCodePath); 13016 final int abi = NativeLibraryHelper.findSupportedAbi( 13017 handle, Build.SUPPORTED_ABIS); 13018 if (abi >= 0) { 13019 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 13020 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 13021 } 13022 handle.close(); 13023 } 13024 final int[] users = sUserManager.getUserIds(); 13025 for (int user : users) { 13026 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 13027 newNativePath, user) < 0) { 13028 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 13029 } 13030 } 13031 13032 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13033 pkg.codePath = newCodePath; 13034 // Move dex files around 13035 if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) { 13036 // Moving of dex files failed. Set 13037 // error code and abort move. 13038 pkg.codePath = oldCodePath; 13039 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 13040 } 13041 } 13042 13043 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13044 pkg.applicationInfo.sourceDir = newCodePath; 13045 pkg.applicationInfo.publicSourceDir = newResPath; 13046 pkg.applicationInfo.nativeLibraryDir = newNativePath; 13047 PackageSetting ps = (PackageSetting) pkg.mExtras; 13048 ps.codePath = new File(pkg.applicationInfo.sourceDir); 13049 ps.codePathString = ps.codePath.getPath(); 13050 ps.resourcePath = new File( 13051 pkg.applicationInfo.publicSourceDir); 13052 ps.resourcePathString = ps.resourcePath.getPath(); 13053 ps.nativeLibraryPathString = newNativePath; 13054 // Set the application info flag 13055 // correctly. 13056 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 13057 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 13058 } else { 13059 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 13060 } 13061 ps.setFlags(pkg.applicationInfo.flags); 13062 mAppDirs.remove(oldCodePath); 13063 mAppDirs.put(newCodePath, pkg); 13064 // Persist settings 13065 mSettings.writeLPr(); 13066 } 13067 } 13068 } 13069 } 13070 // Send resources available broadcast 13071 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 13072 } 13073 } 13074 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13075 // Clean up failed installation 13076 if (mp.targetArgs != null) { 13077 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 13078 -1); 13079 } 13080 } else { 13081 // Force a gc to clear things up. 13082 Runtime.getRuntime().gc(); 13083 // Delete older code 13084 synchronized (mInstallLock) { 13085 mp.srcArgs.doPostDeleteLI(true); 13086 } 13087 } 13088 13089 // Allow more operations on this file if we didn't fail because 13090 // an operation was already pending for this package. 13091 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 13092 synchronized (mPackages) { 13093 PackageParser.Package pkg = mPackages.get(mp.packageName); 13094 if (pkg != null) { 13095 pkg.mOperationPending = false; 13096 } 13097 } 13098 } 13099 13100 IPackageMoveObserver observer = mp.observer; 13101 if (observer != null) { 13102 try { 13103 observer.packageMoved(mp.packageName, returnCode); 13104 } catch (RemoteException e) { 13105 Log.i(TAG, "Observer no longer exists."); 13106 } 13107 } 13108 } 13109 }); 13110 } 13111 13112 @Override 13113 public boolean setInstallLocation(int loc) { 13114 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13115 null); 13116 if (getInstallLocation() == loc) { 13117 return true; 13118 } 13119 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13120 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13121 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13122 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13123 return true; 13124 } 13125 return false; 13126 } 13127 13128 @Override 13129 public int getInstallLocation() { 13130 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13131 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13132 PackageHelper.APP_INSTALL_AUTO); 13133 } 13134 13135 /** Called by UserManagerService */ 13136 void cleanUpUserLILPw(int userHandle) { 13137 mDirtyUsers.remove(userHandle); 13138 mSettings.removeUserLPr(userHandle); 13139 mPendingBroadcasts.remove(userHandle); 13140 if (mInstaller != null) { 13141 // Technically, we shouldn't be doing this with the package lock 13142 // held. However, this is very rare, and there is already so much 13143 // other disk I/O going on, that we'll let it slide for now. 13144 mInstaller.removeUserDataDirs(userHandle); 13145 } 13146 } 13147 13148 /** Called by UserManagerService */ 13149 void createNewUserLILPw(int userHandle, File path) { 13150 if (mInstaller != null) { 13151 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13152 } 13153 } 13154 13155 @Override 13156 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13157 mContext.enforceCallingOrSelfPermission( 13158 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13159 "Only package verification agents can read the verifier device identity"); 13160 13161 synchronized (mPackages) { 13162 return mSettings.getVerifierDeviceIdentityLPw(); 13163 } 13164 } 13165 13166 @Override 13167 public void setPermissionEnforced(String permission, boolean enforced) { 13168 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13169 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13170 synchronized (mPackages) { 13171 if (mSettings.mReadExternalStorageEnforced == null 13172 || mSettings.mReadExternalStorageEnforced != enforced) { 13173 mSettings.mReadExternalStorageEnforced = enforced; 13174 mSettings.writeLPr(); 13175 } 13176 } 13177 // kill any non-foreground processes so we restart them and 13178 // grant/revoke the GID. 13179 final IActivityManager am = ActivityManagerNative.getDefault(); 13180 if (am != null) { 13181 final long token = Binder.clearCallingIdentity(); 13182 try { 13183 am.killProcessesBelowForeground("setPermissionEnforcement"); 13184 } catch (RemoteException e) { 13185 } finally { 13186 Binder.restoreCallingIdentity(token); 13187 } 13188 } 13189 } else { 13190 throw new IllegalArgumentException("No selective enforcement for " + permission); 13191 } 13192 } 13193 13194 @Override 13195 @Deprecated 13196 public boolean isPermissionEnforced(String permission) { 13197 return true; 13198 } 13199 13200 @Override 13201 public boolean isStorageLow() { 13202 final long token = Binder.clearCallingIdentity(); 13203 try { 13204 final DeviceStorageMonitorInternal 13205 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13206 if (dsm != null) { 13207 return dsm.isMemoryLow(); 13208 } else { 13209 return false; 13210 } 13211 } finally { 13212 Binder.restoreCallingIdentity(token); 13213 } 13214 } 13215 13216 @Override 13217 public IPackageInstaller getPackageInstaller() { 13218 return mInstallerService; 13219 } 13220} 13221