PackageManagerService.java revision 116bdbd823b607d860b039ec334a1f985eed7a7f
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.FastPrintWriter; 46import com.android.internal.util.FastXmlSerializer; 47import com.android.internal.util.XmlUtils; 48import com.android.server.EventLogTags; 49import com.android.server.IntentResolver; 50import com.android.server.LocalServices; 51import com.android.server.ServiceThread; 52import com.android.server.Watchdog; 53import com.android.server.pm.Settings.DatabaseVersion; 54import com.android.server.storage.DeviceStorageMonitorInternal; 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.PackageInstallerParams; 94import android.content.pm.PackageManager; 95import android.content.pm.PackageParser.ActivityIntentInfo; 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.AtomicFile; 140import android.util.DisplayMetrics; 141import android.util.EventLog; 142import android.util.Log; 143import android.util.LogPrinter; 144import android.util.PrintStreamPrinter; 145import android.util.Slog; 146import android.util.SparseArray; 147import android.util.Xml; 148import android.view.Display; 149 150import java.io.BufferedInputStream; 151import java.io.BufferedOutputStream; 152import java.io.File; 153import java.io.FileDescriptor; 154import java.io.FileInputStream; 155import java.io.FileNotFoundException; 156import java.io.FileOutputStream; 157import java.io.FileReader; 158import java.io.FilenameFilter; 159import java.io.IOException; 160import java.io.InputStream; 161import java.io.PrintWriter; 162import java.nio.charset.StandardCharsets; 163import java.security.NoSuchAlgorithmException; 164import java.security.PublicKey; 165import java.security.cert.CertificateEncodingException; 166import java.security.cert.CertificateException; 167import java.text.SimpleDateFormat; 168import java.util.ArrayList; 169import java.util.Arrays; 170import java.util.Collection; 171import java.util.Collections; 172import java.util.Comparator; 173import java.util.Date; 174import java.util.HashMap; 175import java.util.HashSet; 176import java.util.Iterator; 177import java.util.List; 178import java.util.Map; 179import java.util.Set; 180import java.util.concurrent.atomic.AtomicBoolean; 181import java.util.concurrent.atomic.AtomicLong; 182 183import dalvik.system.DexFile; 184import dalvik.system.StaleDexCacheError; 185import dalvik.system.VMRuntime; 186 187import libcore.io.IoUtils; 188 189/** 190 * Keep track of all those .apks everywhere. 191 * 192 * This is very central to the platform's security; please run the unit 193 * tests whenever making modifications here: 194 * 195mmm frameworks/base/tests/AndroidTests 196adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 197adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 198 * 199 * {@hide} 200 */ 201public class PackageManagerService extends IPackageManager.Stub { 202 static final String TAG = "PackageManager"; 203 static final boolean DEBUG_SETTINGS = false; 204 static final boolean DEBUG_PREFERRED = false; 205 static final boolean DEBUG_UPGRADE = false; 206 private static final boolean DEBUG_INSTALL = false; 207 private static final boolean DEBUG_REMOVE = false; 208 private static final boolean DEBUG_BROADCASTS = false; 209 private static final boolean DEBUG_SHOW_INFO = false; 210 private static final boolean DEBUG_PACKAGE_INFO = false; 211 private static final boolean DEBUG_INTENT_MATCHING = false; 212 private static final boolean DEBUG_PACKAGE_SCANNING = false; 213 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 214 private static final boolean DEBUG_VERIFY = false; 215 private static final boolean DEBUG_DEXOPT = false; 216 217 private static final int RADIO_UID = Process.PHONE_UID; 218 private static final int LOG_UID = Process.LOG_UID; 219 private static final int NFC_UID = Process.NFC_UID; 220 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 221 private static final int SHELL_UID = Process.SHELL_UID; 222 223 // Cap the size of permission trees that 3rd party apps can define 224 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 225 226 private static final int REMOVE_EVENTS = 227 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 228 private static final int ADD_EVENTS = 229 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 230 231 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 232 // Suffix used during package installation when copying/moving 233 // package apks to install directory. 234 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 235 236 static final int SCAN_MONITOR = 1<<0; 237 static final int SCAN_NO_DEX = 1<<1; 238 static final int SCAN_FORCE_DEX = 1<<2; 239 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 240 static final int SCAN_NEW_INSTALL = 1<<4; 241 static final int SCAN_NO_PATHS = 1<<5; 242 static final int SCAN_UPDATE_TIME = 1<<6; 243 static final int SCAN_DEFER_DEX = 1<<7; 244 static final int SCAN_BOOTING = 1<<8; 245 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 246 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 247 248 static final int REMOVE_CHATTY = 1<<16; 249 250 /** 251 * Timeout (in milliseconds) after which the watchdog should declare that 252 * our handler thread is wedged. The usual default for such things is one 253 * minute but we sometimes do very lengthy I/O operations on this thread, 254 * such as installing multi-gigabyte applications, so ours needs to be longer. 255 */ 256 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 257 258 /** 259 * Whether verification is enabled by default. 260 */ 261 private static final boolean DEFAULT_VERIFY_ENABLE = true; 262 263 /** 264 * The default maximum time to wait for the verification agent to return in 265 * milliseconds. 266 */ 267 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 268 269 /** 270 * The default response for package verification timeout. 271 * 272 * This can be either PackageManager.VERIFICATION_ALLOW or 273 * PackageManager.VERIFICATION_REJECT. 274 */ 275 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 276 277 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 278 279 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 280 DEFAULT_CONTAINER_PACKAGE, 281 "com.android.defcontainer.DefaultContainerService"); 282 283 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 284 285 private static final String LIB_DIR_NAME = "lib"; 286 private static final String LIB64_DIR_NAME = "lib64"; 287 288 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 289 290 static final String mTempContainerPrefix = "smdl2tmp"; 291 292 private static String sPreferredInstructionSet; 293 294 final ServiceThread mHandlerThread; 295 296 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 297 private static final String IDMAP_SUFFIX = "@idmap"; 298 299 final PackageHandler mHandler; 300 301 final int mSdkVersion = Build.VERSION.SDK_INT; 302 303 final Context mContext; 304 final boolean mFactoryTest; 305 final boolean mOnlyCore; 306 final DisplayMetrics mMetrics; 307 final int mDefParseFlags; 308 final String[] mSeparateProcesses; 309 310 // This is where all application persistent data goes. 311 final File mAppDataDir; 312 313 // This is where all application persistent data goes for secondary users. 314 final File mUserAppDataDir; 315 316 /** The location for ASEC container files on internal storage. */ 317 final String mAsecInternalPath; 318 319 // This is the object monitoring the framework dir. 320 final FileObserver mFrameworkInstallObserver; 321 322 // This is the object monitoring the system app dir. 323 final FileObserver mSystemInstallObserver; 324 325 // This is the object monitoring the privileged system app dir. 326 final FileObserver mPrivilegedInstallObserver; 327 328 // This is the object monitoring the vendor app dir. 329 final FileObserver mVendorInstallObserver; 330 331 // This is the object monitoring the vendor overlay package dir. 332 final FileObserver mVendorOverlayInstallObserver; 333 334 // This is the object monitoring the OEM app dir. 335 final FileObserver mOemInstallObserver; 336 337 // This is the object monitoring mAppInstallDir. 338 final FileObserver mAppInstallObserver; 339 340 // This is the object monitoring mDrmAppPrivateInstallDir. 341 final FileObserver mDrmAppInstallObserver; 342 343 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 344 // LOCK HELD. Can be called with mInstallLock held. 345 final Installer mInstaller; 346 347 final File mAppInstallDir; 348 349 /** 350 * Directory to which applications installed internally have native 351 * libraries copied. 352 */ 353 private File mAppLibInstallDir; 354 355 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 356 // apps. 357 final File mDrmAppPrivateInstallDir; 358 359 final File mAppStagingDir; 360 361 // ---------------------------------------------------------------- 362 363 // Lock for state used when installing and doing other long running 364 // operations. Methods that must be called with this lock held have 365 // the suffix "LI". 366 final Object mInstallLock = new Object(); 367 368 // These are the directories in the 3rd party applications installed dir 369 // that we have currently loaded packages from. Keys are the application's 370 // installed zip file (absolute codePath), and values are Package. 371 final HashMap<String, PackageParser.Package> mAppDirs = 372 new HashMap<String, PackageParser.Package>(); 373 374 // Information for the parser to write more useful error messages. 375 int mLastScanError; 376 377 // ---------------------------------------------------------------- 378 379 // Keys are String (package name), values are Package. This also serves 380 // as the lock for the global state. Methods that must be called with 381 // this lock held have the prefix "LP". 382 final HashMap<String, PackageParser.Package> mPackages = 383 new HashMap<String, PackageParser.Package>(); 384 385 // Tracks available target package names -> overlay package paths. 386 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 387 new HashMap<String, HashMap<String, PackageParser.Package>>(); 388 389 final Settings mSettings; 390 boolean mRestoredSettings; 391 392 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 393 int[] mGlobalGids; 394 395 // These are the built-in uid -> permission mappings that were read from the 396 // etc/permissions.xml file. 397 final SparseArray<HashSet<String>> mSystemPermissions = 398 new SparseArray<HashSet<String>>(); 399 400 static final class SharedLibraryEntry { 401 final String path; 402 final String apk; 403 404 SharedLibraryEntry(String _path, String _apk) { 405 path = _path; 406 apk = _apk; 407 } 408 } 409 410 // These are the built-in shared libraries that were read from the 411 // etc/permissions.xml file. 412 final HashMap<String, SharedLibraryEntry> mSharedLibraries 413 = new HashMap<String, SharedLibraryEntry>(); 414 415 // Temporary for building the final shared libraries for an .apk. 416 String[] mTmpSharedLibraries = null; 417 418 // These are the features this devices supports that were read from the 419 // etc/permissions.xml file. 420 final HashMap<String, FeatureInfo> mAvailableFeatures = 421 new HashMap<String, FeatureInfo>(); 422 423 // If mac_permissions.xml was found for seinfo labeling. 424 boolean mFoundPolicyFile; 425 426 // If a recursive restorecon of /data/data/<pkg> is needed. 427 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 428 429 // All available activities, for your resolving pleasure. 430 final ActivityIntentResolver mActivities = 431 new ActivityIntentResolver(); 432 433 // All available receivers, for your resolving pleasure. 434 final ActivityIntentResolver mReceivers = 435 new ActivityIntentResolver(); 436 437 // All available services, for your resolving pleasure. 438 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 439 440 // All available providers, for your resolving pleasure. 441 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 442 443 // Mapping from provider base names (first directory in content URI codePath) 444 // to the provider information. 445 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 446 new HashMap<String, PackageParser.Provider>(); 447 448 // Mapping from instrumentation class names to info about them. 449 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 450 new HashMap<ComponentName, PackageParser.Instrumentation>(); 451 452 // Mapping from permission names to info about them. 453 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 454 new HashMap<String, PackageParser.PermissionGroup>(); 455 456 // Packages whose data we have transfered into another package, thus 457 // should no longer exist. 458 final HashSet<String> mTransferedPackages = new HashSet<String>(); 459 460 // Broadcast actions that are only available to the system. 461 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 462 463 /** List of packages waiting for verification. */ 464 final SparseArray<PackageVerificationState> mPendingVerification 465 = new SparseArray<PackageVerificationState>(); 466 467 final PackageInstallerService mInstallerService; 468 469 HashSet<PackageParser.Package> mDeferredDexOpt = null; 470 471 /** Token for keys in mPendingVerification. */ 472 private int mPendingVerificationToken = 0; 473 474 boolean mSystemReady; 475 boolean mSafeMode; 476 boolean mHasSystemUidErrors; 477 478 ApplicationInfo mAndroidApplication; 479 final ActivityInfo mResolveActivity = new ActivityInfo(); 480 final ResolveInfo mResolveInfo = new ResolveInfo(); 481 ComponentName mResolveComponentName; 482 PackageParser.Package mPlatformPackage; 483 ComponentName mCustomResolverComponentName; 484 485 boolean mResolverReplaced = false; 486 487 // Set of pending broadcasts for aggregating enable/disable of components. 488 static class PendingPackageBroadcasts { 489 // for each user id, a map of <package name -> components within that package> 490 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 491 492 public PendingPackageBroadcasts() { 493 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 494 } 495 496 public ArrayList<String> get(int userId, String packageName) { 497 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 498 return packages.get(packageName); 499 } 500 501 public void put(int userId, String packageName, ArrayList<String> components) { 502 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 503 packages.put(packageName, components); 504 } 505 506 public void remove(int userId, String packageName) { 507 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 508 if (packages != null) { 509 packages.remove(packageName); 510 } 511 } 512 513 public void remove(int userId) { 514 mUidMap.remove(userId); 515 } 516 517 public int userIdCount() { 518 return mUidMap.size(); 519 } 520 521 public int userIdAt(int n) { 522 return mUidMap.keyAt(n); 523 } 524 525 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 526 return mUidMap.get(userId); 527 } 528 529 public int size() { 530 // total number of pending broadcast entries across all userIds 531 int num = 0; 532 for (int i = 0; i< mUidMap.size(); i++) { 533 num += mUidMap.valueAt(i).size(); 534 } 535 return num; 536 } 537 538 public void clear() { 539 mUidMap.clear(); 540 } 541 542 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 543 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 544 if (map == null) { 545 map = new HashMap<String, ArrayList<String>>(); 546 mUidMap.put(userId, map); 547 } 548 return map; 549 } 550 } 551 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 552 553 // Service Connection to remote media container service to copy 554 // package uri's from external media onto secure containers 555 // or internal storage. 556 private IMediaContainerService mContainerService = null; 557 558 static final int SEND_PENDING_BROADCAST = 1; 559 static final int MCS_BOUND = 3; 560 static final int END_COPY = 4; 561 static final int INIT_COPY = 5; 562 static final int MCS_UNBIND = 6; 563 static final int START_CLEANING_PACKAGE = 7; 564 static final int FIND_INSTALL_LOC = 8; 565 static final int POST_INSTALL = 9; 566 static final int MCS_RECONNECT = 10; 567 static final int MCS_GIVE_UP = 11; 568 static final int UPDATED_MEDIA_STATUS = 12; 569 static final int WRITE_SETTINGS = 13; 570 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 571 static final int PACKAGE_VERIFIED = 15; 572 static final int CHECK_PENDING_VERIFICATION = 16; 573 574 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 575 576 // Delay time in millisecs 577 static final int BROADCAST_DELAY = 10 * 1000; 578 579 static UserManagerService sUserManager; 580 581 // Stores a list of users whose package restrictions file needs to be updated 582 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 583 584 final private DefaultContainerConnection mDefContainerConn = 585 new DefaultContainerConnection(); 586 class DefaultContainerConnection implements ServiceConnection { 587 public void onServiceConnected(ComponentName name, IBinder service) { 588 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 589 IMediaContainerService imcs = 590 IMediaContainerService.Stub.asInterface(service); 591 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 592 } 593 594 public void onServiceDisconnected(ComponentName name) { 595 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 596 } 597 }; 598 599 // Recordkeeping of restore-after-install operations that are currently in flight 600 // between the Package Manager and the Backup Manager 601 class PostInstallData { 602 public InstallArgs args; 603 public PackageInstalledInfo res; 604 605 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 606 args = _a; 607 res = _r; 608 } 609 }; 610 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 611 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 612 613 private final String mRequiredVerifierPackage; 614 615 private final PackageUsage mPackageUsage = new PackageUsage(); 616 617 private class PackageUsage { 618 private static final int WRITE_INTERVAL 619 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 620 621 private final Object mFileLock = new Object(); 622 private final AtomicLong mLastWritten = new AtomicLong(0); 623 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 624 625 private boolean mIsFirstBoot = false; 626 627 boolean isFirstBoot() { 628 return mIsFirstBoot; 629 } 630 631 void write(boolean force) { 632 if (force) { 633 writeInternal(); 634 return; 635 } 636 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 637 && !DEBUG_DEXOPT) { 638 return; 639 } 640 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 641 new Thread("PackageUsage_DiskWriter") { 642 @Override 643 public void run() { 644 try { 645 writeInternal(); 646 } finally { 647 mBackgroundWriteRunning.set(false); 648 } 649 } 650 }.start(); 651 } 652 } 653 654 private void writeInternal() { 655 synchronized (mPackages) { 656 synchronized (mFileLock) { 657 AtomicFile file = getFile(); 658 FileOutputStream f = null; 659 try { 660 f = file.startWrite(); 661 BufferedOutputStream out = new BufferedOutputStream(f); 662 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 663 StringBuilder sb = new StringBuilder(); 664 for (PackageParser.Package pkg : mPackages.values()) { 665 if (pkg.mLastPackageUsageTimeInMills == 0) { 666 continue; 667 } 668 sb.setLength(0); 669 sb.append(pkg.packageName); 670 sb.append(' '); 671 sb.append((long)pkg.mLastPackageUsageTimeInMills); 672 sb.append('\n'); 673 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 674 } 675 out.flush(); 676 file.finishWrite(f); 677 } catch (IOException e) { 678 if (f != null) { 679 file.failWrite(f); 680 } 681 Log.e(TAG, "Failed to write package usage times", e); 682 } 683 } 684 } 685 mLastWritten.set(SystemClock.elapsedRealtime()); 686 } 687 688 void readLP() { 689 synchronized (mFileLock) { 690 AtomicFile file = getFile(); 691 BufferedInputStream in = null; 692 try { 693 in = new BufferedInputStream(file.openRead()); 694 StringBuffer sb = new StringBuffer(); 695 while (true) { 696 String packageName = readToken(in, sb, ' '); 697 if (packageName == null) { 698 break; 699 } 700 String timeInMillisString = readToken(in, sb, '\n'); 701 if (timeInMillisString == null) { 702 throw new IOException("Failed to find last usage time for package " 703 + packageName); 704 } 705 PackageParser.Package pkg = mPackages.get(packageName); 706 if (pkg == null) { 707 continue; 708 } 709 long timeInMillis; 710 try { 711 timeInMillis = Long.parseLong(timeInMillisString.toString()); 712 } catch (NumberFormatException e) { 713 throw new IOException("Failed to parse " + timeInMillisString 714 + " as a long.", e); 715 } 716 pkg.mLastPackageUsageTimeInMills = timeInMillis; 717 } 718 } catch (FileNotFoundException expected) { 719 mIsFirstBoot = true; 720 } catch (IOException e) { 721 Log.w(TAG, "Failed to read package usage times", e); 722 } finally { 723 IoUtils.closeQuietly(in); 724 } 725 } 726 mLastWritten.set(SystemClock.elapsedRealtime()); 727 } 728 729 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 730 throws IOException { 731 sb.setLength(0); 732 while (true) { 733 int ch = in.read(); 734 if (ch == -1) { 735 if (sb.length() == 0) { 736 return null; 737 } 738 throw new IOException("Unexpected EOF"); 739 } 740 if (ch == endOfToken) { 741 return sb.toString(); 742 } 743 sb.append((char)ch); 744 } 745 } 746 747 private AtomicFile getFile() { 748 File dataDir = Environment.getDataDirectory(); 749 File systemDir = new File(dataDir, "system"); 750 File fname = new File(systemDir, "package-usage.list"); 751 return new AtomicFile(fname); 752 } 753 } 754 755 class PackageHandler extends Handler { 756 private boolean mBound = false; 757 final ArrayList<HandlerParams> mPendingInstalls = 758 new ArrayList<HandlerParams>(); 759 760 private boolean connectToService() { 761 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 762 " DefaultContainerService"); 763 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 764 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 765 if (mContext.bindServiceAsUser(service, mDefContainerConn, 766 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 767 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 768 mBound = true; 769 return true; 770 } 771 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 772 return false; 773 } 774 775 private void disconnectService() { 776 mContainerService = null; 777 mBound = false; 778 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 779 mContext.unbindService(mDefContainerConn); 780 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 781 } 782 783 PackageHandler(Looper looper) { 784 super(looper); 785 } 786 787 public void handleMessage(Message msg) { 788 try { 789 doHandleMessage(msg); 790 } finally { 791 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 792 } 793 } 794 795 void doHandleMessage(Message msg) { 796 switch (msg.what) { 797 case INIT_COPY: { 798 HandlerParams params = (HandlerParams) msg.obj; 799 int idx = mPendingInstalls.size(); 800 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 801 // If a bind was already initiated we dont really 802 // need to do anything. The pending install 803 // will be processed later on. 804 if (!mBound) { 805 // If this is the only one pending we might 806 // have to bind to the service again. 807 if (!connectToService()) { 808 Slog.e(TAG, "Failed to bind to media container service"); 809 params.serviceError(); 810 return; 811 } else { 812 // Once we bind to the service, the first 813 // pending request will be processed. 814 mPendingInstalls.add(idx, params); 815 } 816 } else { 817 mPendingInstalls.add(idx, params); 818 // Already bound to the service. Just make 819 // sure we trigger off processing the first request. 820 if (idx == 0) { 821 mHandler.sendEmptyMessage(MCS_BOUND); 822 } 823 } 824 break; 825 } 826 case MCS_BOUND: { 827 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 828 if (msg.obj != null) { 829 mContainerService = (IMediaContainerService) msg.obj; 830 } 831 if (mContainerService == null) { 832 // Something seriously wrong. Bail out 833 Slog.e(TAG, "Cannot bind to media container service"); 834 for (HandlerParams params : mPendingInstalls) { 835 // Indicate service bind error 836 params.serviceError(); 837 } 838 mPendingInstalls.clear(); 839 } else if (mPendingInstalls.size() > 0) { 840 HandlerParams params = mPendingInstalls.get(0); 841 if (params != null) { 842 if (params.startCopy()) { 843 // We are done... look for more work or to 844 // go idle. 845 if (DEBUG_SD_INSTALL) Log.i(TAG, 846 "Checking for more work or unbind..."); 847 // Delete pending install 848 if (mPendingInstalls.size() > 0) { 849 mPendingInstalls.remove(0); 850 } 851 if (mPendingInstalls.size() == 0) { 852 if (mBound) { 853 if (DEBUG_SD_INSTALL) Log.i(TAG, 854 "Posting delayed MCS_UNBIND"); 855 removeMessages(MCS_UNBIND); 856 Message ubmsg = obtainMessage(MCS_UNBIND); 857 // Unbind after a little delay, to avoid 858 // continual thrashing. 859 sendMessageDelayed(ubmsg, 10000); 860 } 861 } else { 862 // There are more pending requests in queue. 863 // Just post MCS_BOUND message to trigger processing 864 // of next pending install. 865 if (DEBUG_SD_INSTALL) Log.i(TAG, 866 "Posting MCS_BOUND for next work"); 867 mHandler.sendEmptyMessage(MCS_BOUND); 868 } 869 } 870 } 871 } else { 872 // Should never happen ideally. 873 Slog.w(TAG, "Empty queue"); 874 } 875 break; 876 } 877 case MCS_RECONNECT: { 878 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 879 if (mPendingInstalls.size() > 0) { 880 if (mBound) { 881 disconnectService(); 882 } 883 if (!connectToService()) { 884 Slog.e(TAG, "Failed to bind to media container service"); 885 for (HandlerParams params : mPendingInstalls) { 886 // Indicate service bind error 887 params.serviceError(); 888 } 889 mPendingInstalls.clear(); 890 } 891 } 892 break; 893 } 894 case MCS_UNBIND: { 895 // If there is no actual work left, then time to unbind. 896 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 897 898 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 899 if (mBound) { 900 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 901 902 disconnectService(); 903 } 904 } else if (mPendingInstalls.size() > 0) { 905 // There are more pending requests in queue. 906 // Just post MCS_BOUND message to trigger processing 907 // of next pending install. 908 mHandler.sendEmptyMessage(MCS_BOUND); 909 } 910 911 break; 912 } 913 case MCS_GIVE_UP: { 914 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 915 mPendingInstalls.remove(0); 916 break; 917 } 918 case SEND_PENDING_BROADCAST: { 919 String packages[]; 920 ArrayList<String> components[]; 921 int size = 0; 922 int uids[]; 923 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 924 synchronized (mPackages) { 925 if (mPendingBroadcasts == null) { 926 return; 927 } 928 size = mPendingBroadcasts.size(); 929 if (size <= 0) { 930 // Nothing to be done. Just return 931 return; 932 } 933 packages = new String[size]; 934 components = new ArrayList[size]; 935 uids = new int[size]; 936 int i = 0; // filling out the above arrays 937 938 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 939 int packageUserId = mPendingBroadcasts.userIdAt(n); 940 Iterator<Map.Entry<String, ArrayList<String>>> it 941 = mPendingBroadcasts.packagesForUserId(packageUserId) 942 .entrySet().iterator(); 943 while (it.hasNext() && i < size) { 944 Map.Entry<String, ArrayList<String>> ent = it.next(); 945 packages[i] = ent.getKey(); 946 components[i] = ent.getValue(); 947 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 948 uids[i] = (ps != null) 949 ? UserHandle.getUid(packageUserId, ps.appId) 950 : -1; 951 i++; 952 } 953 } 954 size = i; 955 mPendingBroadcasts.clear(); 956 } 957 // Send broadcasts 958 for (int i = 0; i < size; i++) { 959 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 960 } 961 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 962 break; 963 } 964 case START_CLEANING_PACKAGE: { 965 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 966 final String packageName = (String)msg.obj; 967 final int userId = msg.arg1; 968 final boolean andCode = msg.arg2 != 0; 969 synchronized (mPackages) { 970 if (userId == UserHandle.USER_ALL) { 971 int[] users = sUserManager.getUserIds(); 972 for (int user : users) { 973 mSettings.addPackageToCleanLPw( 974 new PackageCleanItem(user, packageName, andCode)); 975 } 976 } else { 977 mSettings.addPackageToCleanLPw( 978 new PackageCleanItem(userId, packageName, andCode)); 979 } 980 } 981 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 982 startCleaningPackages(); 983 } break; 984 case POST_INSTALL: { 985 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 986 PostInstallData data = mRunningInstalls.get(msg.arg1); 987 mRunningInstalls.delete(msg.arg1); 988 boolean deleteOld = false; 989 990 if (data != null) { 991 InstallArgs args = data.args; 992 PackageInstalledInfo res = data.res; 993 994 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 995 res.removedInfo.sendBroadcast(false, true, false); 996 Bundle extras = new Bundle(1); 997 extras.putInt(Intent.EXTRA_UID, res.uid); 998 // Determine the set of users who are adding this 999 // package for the first time vs. those who are seeing 1000 // an update. 1001 int[] firstUsers; 1002 int[] updateUsers = new int[0]; 1003 if (res.origUsers == null || res.origUsers.length == 0) { 1004 firstUsers = res.newUsers; 1005 } else { 1006 firstUsers = new int[0]; 1007 for (int i=0; i<res.newUsers.length; i++) { 1008 int user = res.newUsers[i]; 1009 boolean isNew = true; 1010 for (int j=0; j<res.origUsers.length; j++) { 1011 if (res.origUsers[j] == user) { 1012 isNew = false; 1013 break; 1014 } 1015 } 1016 if (isNew) { 1017 int[] newFirst = new int[firstUsers.length+1]; 1018 System.arraycopy(firstUsers, 0, newFirst, 0, 1019 firstUsers.length); 1020 newFirst[firstUsers.length] = user; 1021 firstUsers = newFirst; 1022 } else { 1023 int[] newUpdate = new int[updateUsers.length+1]; 1024 System.arraycopy(updateUsers, 0, newUpdate, 0, 1025 updateUsers.length); 1026 newUpdate[updateUsers.length] = user; 1027 updateUsers = newUpdate; 1028 } 1029 } 1030 } 1031 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1032 res.pkg.applicationInfo.packageName, 1033 extras, null, null, firstUsers); 1034 final boolean update = res.removedInfo.removedPackage != null; 1035 if (update) { 1036 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1037 } 1038 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1039 res.pkg.applicationInfo.packageName, 1040 extras, null, null, updateUsers); 1041 if (update) { 1042 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1043 res.pkg.applicationInfo.packageName, 1044 extras, null, null, updateUsers); 1045 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1046 null, null, 1047 res.pkg.applicationInfo.packageName, null, updateUsers); 1048 1049 // treat asec-hosted packages like removable media on upgrade 1050 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1051 if (DEBUG_INSTALL) { 1052 Slog.i(TAG, "upgrading pkg " + res.pkg 1053 + " is ASEC-hosted -> AVAILABLE"); 1054 } 1055 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1056 ArrayList<String> pkgList = new ArrayList<String>(1); 1057 pkgList.add(res.pkg.applicationInfo.packageName); 1058 sendResourcesChangedBroadcast(true, true, 1059 pkgList,uidArray, null); 1060 } 1061 } 1062 if (res.removedInfo.args != null) { 1063 // Remove the replaced package's older resources safely now 1064 deleteOld = true; 1065 } 1066 1067 // Log current value of "unknown sources" setting 1068 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1069 getUnknownSourcesSettings()); 1070 } 1071 // Force a gc to clear up things 1072 Runtime.getRuntime().gc(); 1073 // We delete after a gc for applications on sdcard. 1074 if (deleteOld) { 1075 synchronized (mInstallLock) { 1076 res.removedInfo.args.doPostDeleteLI(true); 1077 } 1078 } 1079 if (args.observer != null) { 1080 try { 1081 args.observer.packageInstalled(res.name, res.returnCode); 1082 } catch (RemoteException e) { 1083 Slog.i(TAG, "Observer no longer exists."); 1084 } 1085 } 1086 if (args.observer2 != null) { 1087 try { 1088 Bundle extras = extrasForInstallResult(res); 1089 args.observer2.packageInstalled(res.name, extras, res.returnCode); 1090 } catch (RemoteException e) { 1091 Slog.i(TAG, "Observer no longer exists."); 1092 } 1093 } 1094 } else { 1095 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1096 } 1097 } break; 1098 case UPDATED_MEDIA_STATUS: { 1099 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1100 boolean reportStatus = msg.arg1 == 1; 1101 boolean doGc = msg.arg2 == 1; 1102 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1103 if (doGc) { 1104 // Force a gc to clear up stale containers. 1105 Runtime.getRuntime().gc(); 1106 } 1107 if (msg.obj != null) { 1108 @SuppressWarnings("unchecked") 1109 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1110 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1111 // Unload containers 1112 unloadAllContainers(args); 1113 } 1114 if (reportStatus) { 1115 try { 1116 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1117 PackageHelper.getMountService().finishMediaUpdate(); 1118 } catch (RemoteException e) { 1119 Log.e(TAG, "MountService not running?"); 1120 } 1121 } 1122 } break; 1123 case WRITE_SETTINGS: { 1124 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1125 synchronized (mPackages) { 1126 removeMessages(WRITE_SETTINGS); 1127 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1128 mSettings.writeLPr(); 1129 mDirtyUsers.clear(); 1130 } 1131 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1132 } break; 1133 case WRITE_PACKAGE_RESTRICTIONS: { 1134 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1135 synchronized (mPackages) { 1136 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1137 for (int userId : mDirtyUsers) { 1138 mSettings.writePackageRestrictionsLPr(userId); 1139 } 1140 mDirtyUsers.clear(); 1141 } 1142 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1143 } break; 1144 case CHECK_PENDING_VERIFICATION: { 1145 final int verificationId = msg.arg1; 1146 final PackageVerificationState state = mPendingVerification.get(verificationId); 1147 1148 if ((state != null) && !state.timeoutExtended()) { 1149 final InstallArgs args = state.getInstallArgs(); 1150 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 1151 mPendingVerification.remove(verificationId); 1152 1153 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1154 1155 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1156 Slog.i(TAG, "Continuing with installation of " 1157 + args.packageURI.toString()); 1158 state.setVerifierResponse(Binder.getCallingUid(), 1159 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1160 broadcastPackageVerified(verificationId, args.packageURI, 1161 PackageManager.VERIFICATION_ALLOW, 1162 state.getInstallArgs().getUser()); 1163 try { 1164 ret = args.copyApk(mContainerService, true); 1165 } catch (RemoteException e) { 1166 Slog.e(TAG, "Could not contact the ContainerService"); 1167 } 1168 } else { 1169 broadcastPackageVerified(verificationId, args.packageURI, 1170 PackageManager.VERIFICATION_REJECT, 1171 state.getInstallArgs().getUser()); 1172 } 1173 1174 processPendingInstall(args, ret); 1175 mHandler.sendEmptyMessage(MCS_UNBIND); 1176 } 1177 break; 1178 } 1179 case PACKAGE_VERIFIED: { 1180 final int verificationId = msg.arg1; 1181 1182 final PackageVerificationState state = mPendingVerification.get(verificationId); 1183 if (state == null) { 1184 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1185 break; 1186 } 1187 1188 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1189 1190 state.setVerifierResponse(response.callerUid, response.code); 1191 1192 if (state.isVerificationComplete()) { 1193 mPendingVerification.remove(verificationId); 1194 1195 final InstallArgs args = state.getInstallArgs(); 1196 1197 int ret; 1198 if (state.isInstallAllowed()) { 1199 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1200 broadcastPackageVerified(verificationId, args.packageURI, 1201 response.code, state.getInstallArgs().getUser()); 1202 try { 1203 ret = args.copyApk(mContainerService, true); 1204 } catch (RemoteException e) { 1205 Slog.e(TAG, "Could not contact the ContainerService"); 1206 } 1207 } else { 1208 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1209 } 1210 1211 processPendingInstall(args, ret); 1212 1213 mHandler.sendEmptyMessage(MCS_UNBIND); 1214 } 1215 1216 break; 1217 } 1218 } 1219 } 1220 } 1221 1222 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1223 Bundle extras = null; 1224 switch (res.returnCode) { 1225 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1226 extras = new Bundle(); 1227 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1228 res.origPermission); 1229 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1230 res.origPackage); 1231 break; 1232 } 1233 } 1234 return extras; 1235 } 1236 1237 void scheduleWriteSettingsLocked() { 1238 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1239 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1240 } 1241 } 1242 1243 void scheduleWritePackageRestrictionsLocked(int userId) { 1244 if (!sUserManager.exists(userId)) return; 1245 mDirtyUsers.add(userId); 1246 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1247 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1248 } 1249 } 1250 1251 public static final IPackageManager main(Context context, Installer installer, 1252 boolean factoryTest, boolean onlyCore) { 1253 PackageManagerService m = new PackageManagerService(context, installer, 1254 factoryTest, onlyCore); 1255 ServiceManager.addService("package", m); 1256 return m; 1257 } 1258 1259 static String[] splitString(String str, char sep) { 1260 int count = 1; 1261 int i = 0; 1262 while ((i=str.indexOf(sep, i)) >= 0) { 1263 count++; 1264 i++; 1265 } 1266 1267 String[] res = new String[count]; 1268 i=0; 1269 count = 0; 1270 int lastI=0; 1271 while ((i=str.indexOf(sep, i)) >= 0) { 1272 res[count] = str.substring(lastI, i); 1273 count++; 1274 i++; 1275 lastI = i; 1276 } 1277 res[count] = str.substring(lastI, str.length()); 1278 return res; 1279 } 1280 1281 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1282 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1283 Context.DISPLAY_SERVICE); 1284 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1285 } 1286 1287 public PackageManagerService(Context context, Installer installer, 1288 boolean factoryTest, boolean onlyCore) { 1289 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1290 SystemClock.uptimeMillis()); 1291 1292 if (mSdkVersion <= 0) { 1293 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1294 } 1295 1296 mContext = context; 1297 mFactoryTest = factoryTest; 1298 mOnlyCore = onlyCore; 1299 mMetrics = new DisplayMetrics(); 1300 mSettings = new Settings(context); 1301 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1302 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1303 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1304 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1305 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1306 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1307 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1308 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1309 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1310 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1311 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1312 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1313 1314 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1315 if (separateProcesses != null && separateProcesses.length() > 0) { 1316 if ("*".equals(separateProcesses)) { 1317 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1318 mSeparateProcesses = null; 1319 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1320 } else { 1321 mDefParseFlags = 0; 1322 mSeparateProcesses = separateProcesses.split(","); 1323 Slog.w(TAG, "Running with debug.separate_processes: " 1324 + separateProcesses); 1325 } 1326 } else { 1327 mDefParseFlags = 0; 1328 mSeparateProcesses = null; 1329 } 1330 1331 mInstaller = installer; 1332 1333 getDefaultDisplayMetrics(context, mMetrics); 1334 1335 synchronized (mInstallLock) { 1336 // writer 1337 synchronized (mPackages) { 1338 mHandlerThread = new ServiceThread(TAG, 1339 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1340 mHandlerThread.start(); 1341 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1342 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1343 1344 File dataDir = Environment.getDataDirectory(); 1345 mAppDataDir = new File(dataDir, "data"); 1346 mAppInstallDir = new File(dataDir, "app"); 1347 mAppLibInstallDir = new File(dataDir, "app-lib"); 1348 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1349 mUserAppDataDir = new File(dataDir, "user"); 1350 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1351 mAppStagingDir = new File(dataDir, "app-staging"); 1352 1353 sUserManager = new UserManagerService(context, this, 1354 mInstallLock, mPackages); 1355 1356 // Read permissions and features from system 1357 readPermissions(Environment.buildPath( 1358 Environment.getRootDirectory(), "etc", "permissions"), false); 1359 // Only read features from OEM 1360 readPermissions(Environment.buildPath( 1361 Environment.getOemDirectory(), "etc", "permissions"), true); 1362 1363 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1364 1365 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1366 mSdkVersion, mOnlyCore); 1367 1368 String customResolverActivity = Resources.getSystem().getString( 1369 R.string.config_customResolverActivity); 1370 if (TextUtils.isEmpty(customResolverActivity)) { 1371 customResolverActivity = null; 1372 } else { 1373 mCustomResolverComponentName = ComponentName.unflattenFromString( 1374 customResolverActivity); 1375 } 1376 1377 long startTime = SystemClock.uptimeMillis(); 1378 1379 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1380 startTime); 1381 1382 // Set flag to monitor and not change apk file paths when 1383 // scanning install directories. 1384 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1385 1386 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1387 1388 /** 1389 * Add everything in the in the boot class path to the 1390 * list of process files because dexopt will have been run 1391 * if necessary during zygote startup. 1392 */ 1393 String bootClassPath = System.getProperty("java.boot.class.path"); 1394 if (bootClassPath != null) { 1395 String[] paths = splitString(bootClassPath, ':'); 1396 for (int i=0; i<paths.length; i++) { 1397 alreadyDexOpted.add(paths[i]); 1398 } 1399 } else { 1400 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1401 } 1402 1403 boolean didDexOptLibraryOrTool = false; 1404 1405 final List<String> instructionSets = getAllInstructionSets(); 1406 1407 /** 1408 * Ensure all external libraries have had dexopt run on them. 1409 */ 1410 if (mSharedLibraries.size() > 0) { 1411 // NOTE: For now, we're compiling these system "shared libraries" 1412 // (and framework jars) into all available architectures. It's possible 1413 // to compile them only when we come across an app that uses them (there's 1414 // already logic for that in scanPackageLI) but that adds some complexity. 1415 for (String instructionSet : instructionSets) { 1416 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1417 final String lib = libEntry.path; 1418 if (lib == null) { 1419 continue; 1420 } 1421 1422 try { 1423 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1424 alreadyDexOpted.add(lib); 1425 1426 // The list of "shared libraries" we have at this point is 1427 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1428 didDexOptLibraryOrTool = true; 1429 } 1430 } catch (FileNotFoundException e) { 1431 Slog.w(TAG, "Library not found: " + lib); 1432 } catch (IOException e) { 1433 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1434 + e.getMessage()); 1435 } 1436 } 1437 } 1438 } 1439 1440 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1441 1442 // Gross hack for now: we know this file doesn't contain any 1443 // code, so don't dexopt it to avoid the resulting log spew. 1444 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1445 1446 // Gross hack for now: we know this file is only part of 1447 // the boot class path for art, so don't dexopt it to 1448 // avoid the resulting log spew. 1449 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1450 1451 /** 1452 * And there are a number of commands implemented in Java, which 1453 * we currently need to do the dexopt on so that they can be 1454 * run from a non-root shell. 1455 */ 1456 String[] frameworkFiles = frameworkDir.list(); 1457 if (frameworkFiles != null) { 1458 // TODO: We could compile these only for the most preferred ABI. We should 1459 // first double check that the dex files for these commands are not referenced 1460 // by other system apps. 1461 for (String instructionSet : instructionSets) { 1462 for (int i=0; i<frameworkFiles.length; i++) { 1463 File libPath = new File(frameworkDir, frameworkFiles[i]); 1464 String path = libPath.getPath(); 1465 // Skip the file if we already did it. 1466 if (alreadyDexOpted.contains(path)) { 1467 continue; 1468 } 1469 // Skip the file if it is not a type we want to dexopt. 1470 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1471 continue; 1472 } 1473 try { 1474 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1475 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1476 didDexOptLibraryOrTool = true; 1477 } 1478 } catch (FileNotFoundException e) { 1479 Slog.w(TAG, "Jar not found: " + path); 1480 } catch (IOException e) { 1481 Slog.w(TAG, "Exception reading jar: " + path, e); 1482 } 1483 } 1484 } 1485 } 1486 1487 if (didDexOptLibraryOrTool) { 1488 pruneDexFiles(new File(dataDir, "dalvik-cache")); 1489 } 1490 1491 // Collect vendor overlay packages. 1492 // (Do this before scanning any apps.) 1493 // For security and version matching reason, only consider 1494 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1495 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1496 mVendorOverlayInstallObserver = new AppDirObserver( 1497 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1498 mVendorOverlayInstallObserver.startWatching(); 1499 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1500 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1501 1502 // Find base frameworks (resource packages without code). 1503 mFrameworkInstallObserver = new AppDirObserver( 1504 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1505 mFrameworkInstallObserver.startWatching(); 1506 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1507 | PackageParser.PARSE_IS_SYSTEM_DIR 1508 | PackageParser.PARSE_IS_PRIVILEGED, 1509 scanMode | SCAN_NO_DEX, 0); 1510 1511 // Collected privileged system packages. 1512 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1513 mPrivilegedInstallObserver = new AppDirObserver( 1514 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1515 mPrivilegedInstallObserver.startWatching(); 1516 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1517 | PackageParser.PARSE_IS_SYSTEM_DIR 1518 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1519 1520 // Collect ordinary system packages. 1521 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1522 mSystemInstallObserver = new AppDirObserver( 1523 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1524 mSystemInstallObserver.startWatching(); 1525 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1526 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1527 1528 // Collect all vendor packages. 1529 File vendorAppDir = new File("/vendor/app"); 1530 try { 1531 vendorAppDir = vendorAppDir.getCanonicalFile(); 1532 } catch (IOException e) { 1533 // failed to look up canonical path, continue with original one 1534 } 1535 mVendorInstallObserver = new AppDirObserver( 1536 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1537 mVendorInstallObserver.startWatching(); 1538 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1539 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1540 1541 // Collect all OEM packages. 1542 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1543 mOemInstallObserver = new AppDirObserver( 1544 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1545 mOemInstallObserver.startWatching(); 1546 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1547 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1548 1549 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1550 mInstaller.moveFiles(); 1551 1552 // Prune any system packages that no longer exist. 1553 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1554 if (!mOnlyCore) { 1555 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1556 while (psit.hasNext()) { 1557 PackageSetting ps = psit.next(); 1558 1559 /* 1560 * If this is not a system app, it can't be a 1561 * disable system app. 1562 */ 1563 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1564 continue; 1565 } 1566 1567 /* 1568 * If the package is scanned, it's not erased. 1569 */ 1570 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1571 if (scannedPkg != null) { 1572 /* 1573 * If the system app is both scanned and in the 1574 * disabled packages list, then it must have been 1575 * added via OTA. Remove it from the currently 1576 * scanned package so the previously user-installed 1577 * application can be scanned. 1578 */ 1579 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1580 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1581 + "; removing system app"); 1582 removePackageLI(ps, true); 1583 } 1584 1585 continue; 1586 } 1587 1588 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1589 psit.remove(); 1590 String msg = "System package " + ps.name 1591 + " no longer exists; wiping its data"; 1592 reportSettingsProblem(Log.WARN, msg); 1593 removeDataDirsLI(ps.name); 1594 } else { 1595 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1596 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1597 possiblyDeletedUpdatedSystemApps.add(ps.name); 1598 } 1599 } 1600 } 1601 } 1602 1603 //look for any incomplete package installations 1604 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1605 //clean up list 1606 for(int i = 0; i < deletePkgsList.size(); i++) { 1607 //clean up here 1608 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1609 } 1610 //delete tmp files 1611 deleteTempPackageFiles(); 1612 1613 // Remove any shared userIDs that have no associated packages 1614 mSettings.pruneSharedUsersLPw(); 1615 1616 if (!mOnlyCore) { 1617 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1618 SystemClock.uptimeMillis()); 1619 mAppInstallObserver = new AppDirObserver( 1620 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1621 mAppInstallObserver.startWatching(); 1622 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1623 1624 mDrmAppInstallObserver = new AppDirObserver( 1625 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1626 mDrmAppInstallObserver.startWatching(); 1627 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1628 scanMode, 0); 1629 1630 /** 1631 * Remove disable package settings for any updated system 1632 * apps that were removed via an OTA. If they're not a 1633 * previously-updated app, remove them completely. 1634 * Otherwise, just revoke their system-level permissions. 1635 */ 1636 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1637 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1638 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1639 1640 String msg; 1641 if (deletedPkg == null) { 1642 msg = "Updated system package " + deletedAppName 1643 + " no longer exists; wiping its data"; 1644 removeDataDirsLI(deletedAppName); 1645 } else { 1646 msg = "Updated system app + " + deletedAppName 1647 + " no longer present; removing system privileges for " 1648 + deletedAppName; 1649 1650 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1651 1652 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1653 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1654 } 1655 reportSettingsProblem(Log.WARN, msg); 1656 } 1657 } else { 1658 mAppInstallObserver = null; 1659 mDrmAppInstallObserver = null; 1660 } 1661 1662 // Now that we know all of the shared libraries, update all clients to have 1663 // the correct library paths. 1664 updateAllSharedLibrariesLPw(); 1665 1666 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1667 // NOTE: We ignore potential failures here during a system scan (like 1668 // the rest of the commands above) because there's precious little we 1669 // can do about it. A settings error is reported, though. 1670 adjustCpuAbisForSharedUserLPw(setting.packages, null, 1671 false /* force dexopt */, false /* defer dexopt */); 1672 } 1673 1674 // Now that we know all the packages we are keeping, 1675 // read and update their last usage times. 1676 mPackageUsage.readLP(); 1677 1678 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1679 SystemClock.uptimeMillis()); 1680 Slog.i(TAG, "Time to scan packages: " 1681 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1682 + " seconds"); 1683 1684 // If the platform SDK has changed since the last time we booted, 1685 // we need to re-grant app permission to catch any new ones that 1686 // appear. This is really a hack, and means that apps can in some 1687 // cases get permissions that the user didn't initially explicitly 1688 // allow... it would be nice to have some better way to handle 1689 // this situation. 1690 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1691 != mSdkVersion; 1692 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1693 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1694 + "; regranting permissions for internal storage"); 1695 mSettings.mInternalSdkPlatform = mSdkVersion; 1696 1697 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1698 | (regrantPermissions 1699 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1700 : 0)); 1701 1702 // If this is the first boot, and it is a normal boot, then 1703 // we need to initialize the default preferred apps. 1704 if (!mRestoredSettings && !onlyCore) { 1705 mSettings.readDefaultPreferredAppsLPw(this, 0); 1706 } 1707 1708 // All the changes are done during package scanning. 1709 mSettings.updateInternalDatabaseVersion(); 1710 1711 // can downgrade to reader 1712 mSettings.writeLPr(); 1713 1714 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1715 SystemClock.uptimeMillis()); 1716 1717 1718 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1719 } // synchronized (mPackages) 1720 } // synchronized (mInstallLock) 1721 1722 mInstallerService = new PackageInstallerService(context, this, mAppStagingDir); 1723 1724 // Now after opening every single application zip, make sure they 1725 // are all flushed. Not really needed, but keeps things nice and 1726 // tidy. 1727 Runtime.getRuntime().gc(); 1728 } 1729 1730 private static void pruneDexFiles(File cacheDir) { 1731 // If we had to do a dexopt of one of the previous 1732 // things, then something on the system has changed. 1733 // Consider this significant, and wipe away all other 1734 // existing dexopt files to ensure we don't leave any 1735 // dangling around. 1736 // 1737 // Additionally, delete all dex files from the root directory 1738 // since there shouldn't be any there anyway. 1739 // 1740 // Note: This isn't as good an indicator as it used to be. It 1741 // used to include the boot classpath but at some point 1742 // DexFile.isDexOptNeeded started returning false for the boot 1743 // class path files in all cases. It is very possible in a 1744 // small maintenance release update that the library and tool 1745 // jars may be unchanged but APK could be removed resulting in 1746 // unused dalvik-cache files. 1747 File[] files = cacheDir.listFiles(); 1748 if (files != null) { 1749 for (File file : files) { 1750 if (!file.isDirectory()) { 1751 Slog.i(TAG, "Pruning dalvik file: " + file.getAbsolutePath()); 1752 file.delete(); 1753 } else { 1754 File[] subDirList = file.listFiles(); 1755 if (subDirList != null) { 1756 for (File subDirFile : subDirList) { 1757 final String fn = subDirFile.getName(); 1758 if (fn.startsWith("data@app@") || fn.startsWith("data@app-private@")) { 1759 Slog.i(TAG, "Pruning dalvik file: " + fn); 1760 subDirFile.delete(); 1761 } 1762 } 1763 } 1764 } 1765 } 1766 } 1767 } 1768 1769 @Override 1770 public boolean isFirstBoot() { 1771 return !mRestoredSettings || mPackageUsage.isFirstBoot(); 1772 } 1773 1774 @Override 1775 public boolean isOnlyCoreApps() { 1776 return mOnlyCore; 1777 } 1778 1779 private String getRequiredVerifierLPr() { 1780 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1781 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1782 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1783 1784 String requiredVerifier = null; 1785 1786 final int N = receivers.size(); 1787 for (int i = 0; i < N; i++) { 1788 final ResolveInfo info = receivers.get(i); 1789 1790 if (info.activityInfo == null) { 1791 continue; 1792 } 1793 1794 final String packageName = info.activityInfo.packageName; 1795 1796 final PackageSetting ps = mSettings.mPackages.get(packageName); 1797 if (ps == null) { 1798 continue; 1799 } 1800 1801 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1802 if (!gp.grantedPermissions 1803 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1804 continue; 1805 } 1806 1807 if (requiredVerifier != null) { 1808 throw new RuntimeException("There can be only one required verifier"); 1809 } 1810 1811 requiredVerifier = packageName; 1812 } 1813 1814 return requiredVerifier; 1815 } 1816 1817 @Override 1818 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1819 throws RemoteException { 1820 try { 1821 return super.onTransact(code, data, reply, flags); 1822 } catch (RuntimeException e) { 1823 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1824 Slog.wtf(TAG, "Package Manager Crash", e); 1825 } 1826 throw e; 1827 } 1828 } 1829 1830 void cleanupInstallFailedPackage(PackageSetting ps) { 1831 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1832 removeDataDirsLI(ps.name); 1833 if (ps.codePath != null) { 1834 if (!ps.codePath.delete()) { 1835 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1836 } 1837 } 1838 if (ps.resourcePath != null) { 1839 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1840 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1841 } 1842 } 1843 mSettings.removePackageLPw(ps.name); 1844 } 1845 1846 void readPermissions(File libraryDir, boolean onlyFeatures) { 1847 // Read permissions from .../etc/permission directory. 1848 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1849 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1850 return; 1851 } 1852 if (!libraryDir.canRead()) { 1853 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1854 return; 1855 } 1856 1857 // Iterate over the files in the directory and scan .xml files 1858 for (File f : libraryDir.listFiles()) { 1859 // We'll read platform.xml last 1860 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1861 continue; 1862 } 1863 1864 if (!f.getPath().endsWith(".xml")) { 1865 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1866 continue; 1867 } 1868 if (!f.canRead()) { 1869 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1870 continue; 1871 } 1872 1873 readPermissionsFromXml(f, onlyFeatures); 1874 } 1875 1876 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1877 final File permFile = new File(Environment.getRootDirectory(), 1878 "etc/permissions/platform.xml"); 1879 readPermissionsFromXml(permFile, onlyFeatures); 1880 } 1881 1882 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1883 FileReader permReader = null; 1884 try { 1885 permReader = new FileReader(permFile); 1886 } catch (FileNotFoundException e) { 1887 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1888 return; 1889 } 1890 1891 try { 1892 XmlPullParser parser = Xml.newPullParser(); 1893 parser.setInput(permReader); 1894 1895 XmlUtils.beginDocument(parser, "permissions"); 1896 1897 while (true) { 1898 XmlUtils.nextElement(parser); 1899 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1900 break; 1901 } 1902 1903 String name = parser.getName(); 1904 if ("group".equals(name) && !onlyFeatures) { 1905 String gidStr = parser.getAttributeValue(null, "gid"); 1906 if (gidStr != null) { 1907 int gid = Process.getGidForName(gidStr); 1908 mGlobalGids = appendInt(mGlobalGids, gid); 1909 } else { 1910 Slog.w(TAG, "<group> without gid at " 1911 + parser.getPositionDescription()); 1912 } 1913 1914 XmlUtils.skipCurrentTag(parser); 1915 continue; 1916 } else if ("permission".equals(name) && !onlyFeatures) { 1917 String perm = parser.getAttributeValue(null, "name"); 1918 if (perm == null) { 1919 Slog.w(TAG, "<permission> without name at " 1920 + parser.getPositionDescription()); 1921 XmlUtils.skipCurrentTag(parser); 1922 continue; 1923 } 1924 perm = perm.intern(); 1925 readPermission(parser, perm); 1926 1927 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1928 String perm = parser.getAttributeValue(null, "name"); 1929 if (perm == null) { 1930 Slog.w(TAG, "<assign-permission> without name at " 1931 + parser.getPositionDescription()); 1932 XmlUtils.skipCurrentTag(parser); 1933 continue; 1934 } 1935 String uidStr = parser.getAttributeValue(null, "uid"); 1936 if (uidStr == null) { 1937 Slog.w(TAG, "<assign-permission> without uid at " 1938 + parser.getPositionDescription()); 1939 XmlUtils.skipCurrentTag(parser); 1940 continue; 1941 } 1942 int uid = Process.getUidForName(uidStr); 1943 if (uid < 0) { 1944 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1945 + uidStr + "\" at " 1946 + parser.getPositionDescription()); 1947 XmlUtils.skipCurrentTag(parser); 1948 continue; 1949 } 1950 perm = perm.intern(); 1951 HashSet<String> perms = mSystemPermissions.get(uid); 1952 if (perms == null) { 1953 perms = new HashSet<String>(); 1954 mSystemPermissions.put(uid, perms); 1955 } 1956 perms.add(perm); 1957 XmlUtils.skipCurrentTag(parser); 1958 1959 } else if ("library".equals(name) && !onlyFeatures) { 1960 String lname = parser.getAttributeValue(null, "name"); 1961 String lfile = parser.getAttributeValue(null, "file"); 1962 if (lname == null) { 1963 Slog.w(TAG, "<library> without name at " 1964 + parser.getPositionDescription()); 1965 } else if (lfile == null) { 1966 Slog.w(TAG, "<library> without file at " 1967 + parser.getPositionDescription()); 1968 } else { 1969 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1970 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1971 } 1972 XmlUtils.skipCurrentTag(parser); 1973 continue; 1974 1975 } else if ("feature".equals(name)) { 1976 String fname = parser.getAttributeValue(null, "name"); 1977 if (fname == null) { 1978 Slog.w(TAG, "<feature> without name at " 1979 + parser.getPositionDescription()); 1980 } else { 1981 //Log.i(TAG, "Got feature " + fname); 1982 FeatureInfo fi = new FeatureInfo(); 1983 fi.name = fname; 1984 mAvailableFeatures.put(fname, fi); 1985 } 1986 XmlUtils.skipCurrentTag(parser); 1987 continue; 1988 1989 } else { 1990 XmlUtils.skipCurrentTag(parser); 1991 continue; 1992 } 1993 1994 } 1995 permReader.close(); 1996 } catch (XmlPullParserException e) { 1997 Slog.w(TAG, "Got execption parsing permissions.", e); 1998 } catch (IOException e) { 1999 Slog.w(TAG, "Got execption parsing permissions.", e); 2000 } 2001 } 2002 2003 void readPermission(XmlPullParser parser, String name) 2004 throws IOException, XmlPullParserException { 2005 2006 name = name.intern(); 2007 2008 BasePermission bp = mSettings.mPermissions.get(name); 2009 if (bp == null) { 2010 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 2011 mSettings.mPermissions.put(name, bp); 2012 } 2013 int outerDepth = parser.getDepth(); 2014 int type; 2015 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2016 && (type != XmlPullParser.END_TAG 2017 || parser.getDepth() > outerDepth)) { 2018 if (type == XmlPullParser.END_TAG 2019 || type == XmlPullParser.TEXT) { 2020 continue; 2021 } 2022 2023 String tagName = parser.getName(); 2024 if ("group".equals(tagName)) { 2025 String gidStr = parser.getAttributeValue(null, "gid"); 2026 if (gidStr != null) { 2027 int gid = Process.getGidForName(gidStr); 2028 bp.gids = appendInt(bp.gids, gid); 2029 } else { 2030 Slog.w(TAG, "<group> without gid at " 2031 + parser.getPositionDescription()); 2032 } 2033 } 2034 XmlUtils.skipCurrentTag(parser); 2035 } 2036 } 2037 2038 static int[] appendInts(int[] cur, int[] add) { 2039 if (add == null) return cur; 2040 if (cur == null) return add; 2041 final int N = add.length; 2042 for (int i=0; i<N; i++) { 2043 cur = appendInt(cur, add[i]); 2044 } 2045 return cur; 2046 } 2047 2048 static int[] removeInts(int[] cur, int[] rem) { 2049 if (rem == null) return cur; 2050 if (cur == null) return cur; 2051 final int N = rem.length; 2052 for (int i=0; i<N; i++) { 2053 cur = removeInt(cur, rem[i]); 2054 } 2055 return cur; 2056 } 2057 2058 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2059 if (!sUserManager.exists(userId)) return null; 2060 final PackageSetting ps = (PackageSetting) p.mExtras; 2061 if (ps == null) { 2062 return null; 2063 } 2064 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2065 final PackageUserState state = ps.readUserState(userId); 2066 return PackageParser.generatePackageInfo(p, gp.gids, flags, 2067 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 2068 state, userId); 2069 } 2070 2071 @Override 2072 public boolean isPackageAvailable(String packageName, int userId) { 2073 if (!sUserManager.exists(userId)) return false; 2074 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 2075 synchronized (mPackages) { 2076 PackageParser.Package p = mPackages.get(packageName); 2077 if (p != null) { 2078 final PackageSetting ps = (PackageSetting) p.mExtras; 2079 if (ps != null) { 2080 final PackageUserState state = ps.readUserState(userId); 2081 if (state != null) { 2082 return PackageParser.isAvailable(state); 2083 } 2084 } 2085 } 2086 } 2087 return false; 2088 } 2089 2090 @Override 2091 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2092 if (!sUserManager.exists(userId)) return null; 2093 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 2094 // reader 2095 synchronized (mPackages) { 2096 PackageParser.Package p = mPackages.get(packageName); 2097 if (DEBUG_PACKAGE_INFO) 2098 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2099 if (p != null) { 2100 return generatePackageInfo(p, flags, userId); 2101 } 2102 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2103 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2104 } 2105 } 2106 return null; 2107 } 2108 2109 @Override 2110 public String[] currentToCanonicalPackageNames(String[] names) { 2111 String[] out = new String[names.length]; 2112 // reader 2113 synchronized (mPackages) { 2114 for (int i=names.length-1; i>=0; i--) { 2115 PackageSetting ps = mSettings.mPackages.get(names[i]); 2116 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2117 } 2118 } 2119 return out; 2120 } 2121 2122 @Override 2123 public String[] canonicalToCurrentPackageNames(String[] names) { 2124 String[] out = new String[names.length]; 2125 // reader 2126 synchronized (mPackages) { 2127 for (int i=names.length-1; i>=0; i--) { 2128 String cur = mSettings.mRenamedPackages.get(names[i]); 2129 out[i] = cur != null ? cur : names[i]; 2130 } 2131 } 2132 return out; 2133 } 2134 2135 @Override 2136 public int getPackageUid(String packageName, int userId) { 2137 if (!sUserManager.exists(userId)) return -1; 2138 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2139 // reader 2140 synchronized (mPackages) { 2141 PackageParser.Package p = mPackages.get(packageName); 2142 if(p != null) { 2143 return UserHandle.getUid(userId, p.applicationInfo.uid); 2144 } 2145 PackageSetting ps = mSettings.mPackages.get(packageName); 2146 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2147 return -1; 2148 } 2149 p = ps.pkg; 2150 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2151 } 2152 } 2153 2154 @Override 2155 public int[] getPackageGids(String packageName) { 2156 // reader 2157 synchronized (mPackages) { 2158 PackageParser.Package p = mPackages.get(packageName); 2159 if (DEBUG_PACKAGE_INFO) 2160 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2161 if (p != null) { 2162 final PackageSetting ps = (PackageSetting)p.mExtras; 2163 return ps.getGids(); 2164 } 2165 } 2166 // stupid thing to indicate an error. 2167 return new int[0]; 2168 } 2169 2170 static final PermissionInfo generatePermissionInfo( 2171 BasePermission bp, int flags) { 2172 if (bp.perm != null) { 2173 return PackageParser.generatePermissionInfo(bp.perm, flags); 2174 } 2175 PermissionInfo pi = new PermissionInfo(); 2176 pi.name = bp.name; 2177 pi.packageName = bp.sourcePackage; 2178 pi.nonLocalizedLabel = bp.name; 2179 pi.protectionLevel = bp.protectionLevel; 2180 return pi; 2181 } 2182 2183 @Override 2184 public PermissionInfo getPermissionInfo(String name, int flags) { 2185 // reader 2186 synchronized (mPackages) { 2187 final BasePermission p = mSettings.mPermissions.get(name); 2188 if (p != null) { 2189 return generatePermissionInfo(p, flags); 2190 } 2191 return null; 2192 } 2193 } 2194 2195 @Override 2196 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2197 // reader 2198 synchronized (mPackages) { 2199 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2200 for (BasePermission p : mSettings.mPermissions.values()) { 2201 if (group == null) { 2202 if (p.perm == null || p.perm.info.group == null) { 2203 out.add(generatePermissionInfo(p, flags)); 2204 } 2205 } else { 2206 if (p.perm != null && group.equals(p.perm.info.group)) { 2207 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2208 } 2209 } 2210 } 2211 2212 if (out.size() > 0) { 2213 return out; 2214 } 2215 return mPermissionGroups.containsKey(group) ? out : null; 2216 } 2217 } 2218 2219 @Override 2220 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2221 // reader 2222 synchronized (mPackages) { 2223 return PackageParser.generatePermissionGroupInfo( 2224 mPermissionGroups.get(name), flags); 2225 } 2226 } 2227 2228 @Override 2229 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2230 // reader 2231 synchronized (mPackages) { 2232 final int N = mPermissionGroups.size(); 2233 ArrayList<PermissionGroupInfo> out 2234 = new ArrayList<PermissionGroupInfo>(N); 2235 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2236 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2237 } 2238 return out; 2239 } 2240 } 2241 2242 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2243 int userId) { 2244 if (!sUserManager.exists(userId)) return null; 2245 PackageSetting ps = mSettings.mPackages.get(packageName); 2246 if (ps != null) { 2247 if (ps.pkg == null) { 2248 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2249 flags, userId); 2250 if (pInfo != null) { 2251 return pInfo.applicationInfo; 2252 } 2253 return null; 2254 } 2255 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2256 ps.readUserState(userId), userId); 2257 } 2258 return null; 2259 } 2260 2261 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2262 int userId) { 2263 if (!sUserManager.exists(userId)) return null; 2264 PackageSetting ps = mSettings.mPackages.get(packageName); 2265 if (ps != null) { 2266 PackageParser.Package pkg = ps.pkg; 2267 if (pkg == null) { 2268 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2269 return null; 2270 } 2271 // TODO: teach about reading split name 2272 pkg = new PackageParser.Package(packageName, null); 2273 pkg.applicationInfo.packageName = packageName; 2274 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2275 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2276 pkg.applicationInfo.sourceDir = ps.codePathString; 2277 pkg.applicationInfo.dataDir = 2278 getDataPathForPackage(packageName, 0).getPath(); 2279 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2280 pkg.applicationInfo.cpuAbi = ps.cpuAbiString; 2281 } 2282 return generatePackageInfo(pkg, flags, userId); 2283 } 2284 return null; 2285 } 2286 2287 @Override 2288 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2289 if (!sUserManager.exists(userId)) return null; 2290 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2291 // writer 2292 synchronized (mPackages) { 2293 PackageParser.Package p = mPackages.get(packageName); 2294 if (DEBUG_PACKAGE_INFO) Log.v( 2295 TAG, "getApplicationInfo " + packageName 2296 + ": " + p); 2297 if (p != null) { 2298 PackageSetting ps = mSettings.mPackages.get(packageName); 2299 if (ps == null) return null; 2300 // Note: isEnabledLP() does not apply here - always return info 2301 return PackageParser.generateApplicationInfo( 2302 p, flags, ps.readUserState(userId), userId); 2303 } 2304 if ("android".equals(packageName)||"system".equals(packageName)) { 2305 return mAndroidApplication; 2306 } 2307 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2308 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2309 } 2310 } 2311 return null; 2312 } 2313 2314 2315 @Override 2316 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 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 (observer != null) { 2331 try { 2332 observer.onRemoveCompleted(null, (retCode >= 0)); 2333 } catch (RemoteException e) { 2334 Slog.w(TAG, "RemoveException when invoking call back"); 2335 } 2336 } 2337 } 2338 }); 2339 } 2340 2341 @Override 2342 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2343 mContext.enforceCallingOrSelfPermission( 2344 android.Manifest.permission.CLEAR_APP_CACHE, null); 2345 // Queue up an async operation since clearing cache may take a little while. 2346 mHandler.post(new Runnable() { 2347 public void run() { 2348 mHandler.removeCallbacks(this); 2349 int retCode = -1; 2350 synchronized (mInstallLock) { 2351 retCode = mInstaller.freeCache(freeStorageSize); 2352 if (retCode < 0) { 2353 Slog.w(TAG, "Couldn't clear application caches"); 2354 } 2355 } 2356 if(pi != null) { 2357 try { 2358 // Callback via pending intent 2359 int code = (retCode >= 0) ? 1 : 0; 2360 pi.sendIntent(null, code, null, 2361 null, null); 2362 } catch (SendIntentException e1) { 2363 Slog.i(TAG, "Failed to send pending intent"); 2364 } 2365 } 2366 } 2367 }); 2368 } 2369 2370 void freeStorage(long freeStorageSize) throws IOException { 2371 synchronized (mInstallLock) { 2372 if (mInstaller.freeCache(freeStorageSize) < 0) { 2373 throw new IOException("Failed to free enough space"); 2374 } 2375 } 2376 } 2377 2378 @Override 2379 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2380 if (!sUserManager.exists(userId)) return null; 2381 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2382 synchronized (mPackages) { 2383 PackageParser.Activity a = mActivities.mActivities.get(component); 2384 2385 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2386 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2387 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2388 if (ps == null) return null; 2389 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2390 userId); 2391 } 2392 if (mResolveComponentName.equals(component)) { 2393 return mResolveActivity; 2394 } 2395 } 2396 return null; 2397 } 2398 2399 @Override 2400 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2401 String resolvedType) { 2402 synchronized (mPackages) { 2403 PackageParser.Activity a = mActivities.mActivities.get(component); 2404 if (a == null) { 2405 return false; 2406 } 2407 for (int i=0; i<a.intents.size(); i++) { 2408 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2409 intent.getData(), intent.getCategories(), TAG) >= 0) { 2410 return true; 2411 } 2412 } 2413 return false; 2414 } 2415 } 2416 2417 @Override 2418 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2419 if (!sUserManager.exists(userId)) return null; 2420 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2421 synchronized (mPackages) { 2422 PackageParser.Activity a = mReceivers.mActivities.get(component); 2423 if (DEBUG_PACKAGE_INFO) Log.v( 2424 TAG, "getReceiverInfo " + component + ": " + a); 2425 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2426 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2427 if (ps == null) return null; 2428 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2429 userId); 2430 } 2431 } 2432 return null; 2433 } 2434 2435 @Override 2436 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2437 if (!sUserManager.exists(userId)) return null; 2438 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2439 synchronized (mPackages) { 2440 PackageParser.Service s = mServices.mServices.get(component); 2441 if (DEBUG_PACKAGE_INFO) Log.v( 2442 TAG, "getServiceInfo " + component + ": " + s); 2443 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2444 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2445 if (ps == null) return null; 2446 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2447 userId); 2448 } 2449 } 2450 return null; 2451 } 2452 2453 @Override 2454 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2455 if (!sUserManager.exists(userId)) return null; 2456 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2457 synchronized (mPackages) { 2458 PackageParser.Provider p = mProviders.mProviders.get(component); 2459 if (DEBUG_PACKAGE_INFO) Log.v( 2460 TAG, "getProviderInfo " + component + ": " + p); 2461 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2462 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2463 if (ps == null) return null; 2464 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2465 userId); 2466 } 2467 } 2468 return null; 2469 } 2470 2471 @Override 2472 public String[] getSystemSharedLibraryNames() { 2473 Set<String> libSet; 2474 synchronized (mPackages) { 2475 libSet = mSharedLibraries.keySet(); 2476 int size = libSet.size(); 2477 if (size > 0) { 2478 String[] libs = new String[size]; 2479 libSet.toArray(libs); 2480 return libs; 2481 } 2482 } 2483 return null; 2484 } 2485 2486 @Override 2487 public FeatureInfo[] getSystemAvailableFeatures() { 2488 Collection<FeatureInfo> featSet; 2489 synchronized (mPackages) { 2490 featSet = mAvailableFeatures.values(); 2491 int size = featSet.size(); 2492 if (size > 0) { 2493 FeatureInfo[] features = new FeatureInfo[size+1]; 2494 featSet.toArray(features); 2495 FeatureInfo fi = new FeatureInfo(); 2496 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2497 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2498 features[size] = fi; 2499 return features; 2500 } 2501 } 2502 return null; 2503 } 2504 2505 @Override 2506 public boolean hasSystemFeature(String name) { 2507 synchronized (mPackages) { 2508 return mAvailableFeatures.containsKey(name); 2509 } 2510 } 2511 2512 private void checkValidCaller(int uid, int userId) { 2513 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2514 return; 2515 2516 throw new SecurityException("Caller uid=" + uid 2517 + " is not privileged to communicate with user=" + userId); 2518 } 2519 2520 @Override 2521 public int checkPermission(String permName, String pkgName) { 2522 synchronized (mPackages) { 2523 PackageParser.Package p = mPackages.get(pkgName); 2524 if (p != null && p.mExtras != null) { 2525 PackageSetting ps = (PackageSetting)p.mExtras; 2526 if (ps.sharedUser != null) { 2527 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2528 return PackageManager.PERMISSION_GRANTED; 2529 } 2530 } else if (ps.grantedPermissions.contains(permName)) { 2531 return PackageManager.PERMISSION_GRANTED; 2532 } 2533 } 2534 } 2535 return PackageManager.PERMISSION_DENIED; 2536 } 2537 2538 @Override 2539 public int checkUidPermission(String permName, int uid) { 2540 synchronized (mPackages) { 2541 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2542 if (obj != null) { 2543 GrantedPermissions gp = (GrantedPermissions)obj; 2544 if (gp.grantedPermissions.contains(permName)) { 2545 return PackageManager.PERMISSION_GRANTED; 2546 } 2547 } else { 2548 HashSet<String> perms = mSystemPermissions.get(uid); 2549 if (perms != null && perms.contains(permName)) { 2550 return PackageManager.PERMISSION_GRANTED; 2551 } 2552 } 2553 } 2554 return PackageManager.PERMISSION_DENIED; 2555 } 2556 2557 /** 2558 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2559 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2560 * @param message the message to log on security exception 2561 */ 2562 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2563 String message) { 2564 if (userId < 0) { 2565 throw new IllegalArgumentException("Invalid userId " + userId); 2566 } 2567 if (userId == UserHandle.getUserId(callingUid)) return; 2568 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2569 if (requireFullPermission) { 2570 mContext.enforceCallingOrSelfPermission( 2571 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2572 } else { 2573 try { 2574 mContext.enforceCallingOrSelfPermission( 2575 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2576 } catch (SecurityException se) { 2577 mContext.enforceCallingOrSelfPermission( 2578 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2579 } 2580 } 2581 } 2582 } 2583 2584 private BasePermission findPermissionTreeLP(String permName) { 2585 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2586 if (permName.startsWith(bp.name) && 2587 permName.length() > bp.name.length() && 2588 permName.charAt(bp.name.length()) == '.') { 2589 return bp; 2590 } 2591 } 2592 return null; 2593 } 2594 2595 private BasePermission checkPermissionTreeLP(String permName) { 2596 if (permName != null) { 2597 BasePermission bp = findPermissionTreeLP(permName); 2598 if (bp != null) { 2599 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2600 return bp; 2601 } 2602 throw new SecurityException("Calling uid " 2603 + Binder.getCallingUid() 2604 + " is not allowed to add to permission tree " 2605 + bp.name + " owned by uid " + bp.uid); 2606 } 2607 } 2608 throw new SecurityException("No permission tree found for " + permName); 2609 } 2610 2611 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2612 if (s1 == null) { 2613 return s2 == null; 2614 } 2615 if (s2 == null) { 2616 return false; 2617 } 2618 if (s1.getClass() != s2.getClass()) { 2619 return false; 2620 } 2621 return s1.equals(s2); 2622 } 2623 2624 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2625 if (pi1.icon != pi2.icon) return false; 2626 if (pi1.logo != pi2.logo) return false; 2627 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2628 if (!compareStrings(pi1.name, pi2.name)) return false; 2629 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2630 // We'll take care of setting this one. 2631 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2632 // These are not currently stored in settings. 2633 //if (!compareStrings(pi1.group, pi2.group)) return false; 2634 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2635 //if (pi1.labelRes != pi2.labelRes) return false; 2636 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2637 return true; 2638 } 2639 2640 int permissionInfoFootprint(PermissionInfo info) { 2641 int size = info.name.length(); 2642 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2643 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2644 return size; 2645 } 2646 2647 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2648 int size = 0; 2649 for (BasePermission perm : mSettings.mPermissions.values()) { 2650 if (perm.uid == tree.uid) { 2651 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2652 } 2653 } 2654 return size; 2655 } 2656 2657 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2658 // We calculate the max size of permissions defined by this uid and throw 2659 // if that plus the size of 'info' would exceed our stated maximum. 2660 if (tree.uid != Process.SYSTEM_UID) { 2661 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2662 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2663 throw new SecurityException("Permission tree size cap exceeded"); 2664 } 2665 } 2666 } 2667 2668 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2669 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2670 throw new SecurityException("Label must be specified in permission"); 2671 } 2672 BasePermission tree = checkPermissionTreeLP(info.name); 2673 BasePermission bp = mSettings.mPermissions.get(info.name); 2674 boolean added = bp == null; 2675 boolean changed = true; 2676 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2677 if (added) { 2678 enforcePermissionCapLocked(info, tree); 2679 bp = new BasePermission(info.name, tree.sourcePackage, 2680 BasePermission.TYPE_DYNAMIC); 2681 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2682 throw new SecurityException( 2683 "Not allowed to modify non-dynamic permission " 2684 + info.name); 2685 } else { 2686 if (bp.protectionLevel == fixedLevel 2687 && bp.perm.owner.equals(tree.perm.owner) 2688 && bp.uid == tree.uid 2689 && comparePermissionInfos(bp.perm.info, info)) { 2690 changed = false; 2691 } 2692 } 2693 bp.protectionLevel = fixedLevel; 2694 info = new PermissionInfo(info); 2695 info.protectionLevel = fixedLevel; 2696 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2697 bp.perm.info.packageName = tree.perm.info.packageName; 2698 bp.uid = tree.uid; 2699 if (added) { 2700 mSettings.mPermissions.put(info.name, bp); 2701 } 2702 if (changed) { 2703 if (!async) { 2704 mSettings.writeLPr(); 2705 } else { 2706 scheduleWriteSettingsLocked(); 2707 } 2708 } 2709 return added; 2710 } 2711 2712 @Override 2713 public boolean addPermission(PermissionInfo info) { 2714 synchronized (mPackages) { 2715 return addPermissionLocked(info, false); 2716 } 2717 } 2718 2719 @Override 2720 public boolean addPermissionAsync(PermissionInfo info) { 2721 synchronized (mPackages) { 2722 return addPermissionLocked(info, true); 2723 } 2724 } 2725 2726 @Override 2727 public void removePermission(String name) { 2728 synchronized (mPackages) { 2729 checkPermissionTreeLP(name); 2730 BasePermission bp = mSettings.mPermissions.get(name); 2731 if (bp != null) { 2732 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2733 throw new SecurityException( 2734 "Not allowed to modify non-dynamic permission " 2735 + name); 2736 } 2737 mSettings.mPermissions.remove(name); 2738 mSettings.writeLPr(); 2739 } 2740 } 2741 } 2742 2743 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2744 int index = pkg.requestedPermissions.indexOf(bp.name); 2745 if (index == -1) { 2746 throw new SecurityException("Package " + pkg.packageName 2747 + " has not requested permission " + bp.name); 2748 } 2749 boolean isNormal = 2750 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2751 == PermissionInfo.PROTECTION_NORMAL); 2752 boolean isDangerous = 2753 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2754 == PermissionInfo.PROTECTION_DANGEROUS); 2755 boolean isDevelopment = 2756 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2757 2758 if (!isNormal && !isDangerous && !isDevelopment) { 2759 throw new SecurityException("Permission " + bp.name 2760 + " is not a changeable permission type"); 2761 } 2762 2763 if (isNormal || isDangerous) { 2764 if (pkg.requestedPermissionsRequired.get(index)) { 2765 throw new SecurityException("Can't change " + bp.name 2766 + ". It is required by the application"); 2767 } 2768 } 2769 } 2770 2771 @Override 2772 public void grantPermission(String packageName, String permissionName) { 2773 mContext.enforceCallingOrSelfPermission( 2774 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2775 synchronized (mPackages) { 2776 final PackageParser.Package pkg = mPackages.get(packageName); 2777 if (pkg == null) { 2778 throw new IllegalArgumentException("Unknown package: " + packageName); 2779 } 2780 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2781 if (bp == null) { 2782 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2783 } 2784 2785 checkGrantRevokePermissions(pkg, bp); 2786 2787 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2788 if (ps == null) { 2789 return; 2790 } 2791 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2792 if (gp.grantedPermissions.add(permissionName)) { 2793 if (ps.haveGids) { 2794 gp.gids = appendInts(gp.gids, bp.gids); 2795 } 2796 mSettings.writeLPr(); 2797 } 2798 } 2799 } 2800 2801 @Override 2802 public void revokePermission(String packageName, String permissionName) { 2803 int changedAppId = -1; 2804 2805 synchronized (mPackages) { 2806 final PackageParser.Package pkg = mPackages.get(packageName); 2807 if (pkg == null) { 2808 throw new IllegalArgumentException("Unknown package: " + packageName); 2809 } 2810 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2811 mContext.enforceCallingOrSelfPermission( 2812 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2813 } 2814 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2815 if (bp == null) { 2816 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2817 } 2818 2819 checkGrantRevokePermissions(pkg, bp); 2820 2821 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2822 if (ps == null) { 2823 return; 2824 } 2825 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2826 if (gp.grantedPermissions.remove(permissionName)) { 2827 gp.grantedPermissions.remove(permissionName); 2828 if (ps.haveGids) { 2829 gp.gids = removeInts(gp.gids, bp.gids); 2830 } 2831 mSettings.writeLPr(); 2832 changedAppId = ps.appId; 2833 } 2834 } 2835 2836 if (changedAppId >= 0) { 2837 // We changed the perm on someone, kill its processes. 2838 IActivityManager am = ActivityManagerNative.getDefault(); 2839 if (am != null) { 2840 final int callingUserId = UserHandle.getCallingUserId(); 2841 final long ident = Binder.clearCallingIdentity(); 2842 try { 2843 //XXX we should only revoke for the calling user's app permissions, 2844 // but for now we impact all users. 2845 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2846 // "revoke " + permissionName); 2847 int[] users = sUserManager.getUserIds(); 2848 for (int user : users) { 2849 am.killUid(UserHandle.getUid(user, changedAppId), 2850 "revoke " + permissionName); 2851 } 2852 } catch (RemoteException e) { 2853 } finally { 2854 Binder.restoreCallingIdentity(ident); 2855 } 2856 } 2857 } 2858 } 2859 2860 @Override 2861 public boolean isProtectedBroadcast(String actionName) { 2862 synchronized (mPackages) { 2863 return mProtectedBroadcasts.contains(actionName); 2864 } 2865 } 2866 2867 @Override 2868 public int checkSignatures(String pkg1, String pkg2) { 2869 synchronized (mPackages) { 2870 final PackageParser.Package p1 = mPackages.get(pkg1); 2871 final PackageParser.Package p2 = mPackages.get(pkg2); 2872 if (p1 == null || p1.mExtras == null 2873 || p2 == null || p2.mExtras == null) { 2874 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2875 } 2876 return compareSignatures(p1.mSignatures, p2.mSignatures); 2877 } 2878 } 2879 2880 @Override 2881 public int checkUidSignatures(int uid1, int uid2) { 2882 // Map to base uids. 2883 uid1 = UserHandle.getAppId(uid1); 2884 uid2 = UserHandle.getAppId(uid2); 2885 // reader 2886 synchronized (mPackages) { 2887 Signature[] s1; 2888 Signature[] s2; 2889 Object obj = mSettings.getUserIdLPr(uid1); 2890 if (obj != null) { 2891 if (obj instanceof SharedUserSetting) { 2892 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2893 } else if (obj instanceof PackageSetting) { 2894 s1 = ((PackageSetting)obj).signatures.mSignatures; 2895 } else { 2896 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2897 } 2898 } else { 2899 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2900 } 2901 obj = mSettings.getUserIdLPr(uid2); 2902 if (obj != null) { 2903 if (obj instanceof SharedUserSetting) { 2904 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2905 } else if (obj instanceof PackageSetting) { 2906 s2 = ((PackageSetting)obj).signatures.mSignatures; 2907 } else { 2908 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2909 } 2910 } else { 2911 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2912 } 2913 return compareSignatures(s1, s2); 2914 } 2915 } 2916 2917 /** 2918 * Compares two sets of signatures. Returns: 2919 * <br /> 2920 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2921 * <br /> 2922 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2923 * <br /> 2924 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2925 * <br /> 2926 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2927 * <br /> 2928 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2929 */ 2930 static int compareSignatures(Signature[] s1, Signature[] s2) { 2931 if (s1 == null) { 2932 return s2 == null 2933 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2934 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2935 } 2936 2937 if (s2 == null) { 2938 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2939 } 2940 2941 if (s1.length != s2.length) { 2942 return PackageManager.SIGNATURE_NO_MATCH; 2943 } 2944 2945 // Since both signature sets are of size 1, we can compare without HashSets. 2946 if (s1.length == 1) { 2947 return s1[0].equals(s2[0]) ? 2948 PackageManager.SIGNATURE_MATCH : 2949 PackageManager.SIGNATURE_NO_MATCH; 2950 } 2951 2952 HashSet<Signature> set1 = new HashSet<Signature>(); 2953 for (Signature sig : s1) { 2954 set1.add(sig); 2955 } 2956 HashSet<Signature> set2 = new HashSet<Signature>(); 2957 for (Signature sig : s2) { 2958 set2.add(sig); 2959 } 2960 // Make sure s2 contains all signatures in s1. 2961 if (set1.equals(set2)) { 2962 return PackageManager.SIGNATURE_MATCH; 2963 } 2964 return PackageManager.SIGNATURE_NO_MATCH; 2965 } 2966 2967 /** 2968 * If the database version for this type of package (internal storage or 2969 * external storage) is less than the version where package signatures 2970 * were updated, return true. 2971 */ 2972 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2973 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2974 DatabaseVersion.SIGNATURE_END_ENTITY)) 2975 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2976 DatabaseVersion.SIGNATURE_END_ENTITY)); 2977 } 2978 2979 /** 2980 * Used for backward compatibility to make sure any packages with 2981 * certificate chains get upgraded to the new style. {@code existingSigs} 2982 * will be in the old format (since they were stored on disk from before the 2983 * system upgrade) and {@code scannedSigs} will be in the newer format. 2984 */ 2985 private int compareSignaturesCompat(PackageSignatures existingSigs, 2986 PackageParser.Package scannedPkg) { 2987 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2988 return PackageManager.SIGNATURE_NO_MATCH; 2989 } 2990 2991 HashSet<Signature> existingSet = new HashSet<Signature>(); 2992 for (Signature sig : existingSigs.mSignatures) { 2993 existingSet.add(sig); 2994 } 2995 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2996 for (Signature sig : scannedPkg.mSignatures) { 2997 try { 2998 Signature[] chainSignatures = sig.getChainSignatures(); 2999 for (Signature chainSig : chainSignatures) { 3000 scannedCompatSet.add(chainSig); 3001 } 3002 } catch (CertificateEncodingException e) { 3003 scannedCompatSet.add(sig); 3004 } 3005 } 3006 /* 3007 * Make sure the expanded scanned set contains all signatures in the 3008 * existing one. 3009 */ 3010 if (scannedCompatSet.equals(existingSet)) { 3011 // Migrate the old signatures to the new scheme. 3012 existingSigs.assignSignatures(scannedPkg.mSignatures); 3013 // The new KeySets will be re-added later in the scanning process. 3014 mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName); 3015 return PackageManager.SIGNATURE_MATCH; 3016 } 3017 return PackageManager.SIGNATURE_NO_MATCH; 3018 } 3019 3020 @Override 3021 public String[] getPackagesForUid(int uid) { 3022 uid = UserHandle.getAppId(uid); 3023 // reader 3024 synchronized (mPackages) { 3025 Object obj = mSettings.getUserIdLPr(uid); 3026 if (obj instanceof SharedUserSetting) { 3027 final SharedUserSetting sus = (SharedUserSetting) obj; 3028 final int N = sus.packages.size(); 3029 final String[] res = new String[N]; 3030 final Iterator<PackageSetting> it = sus.packages.iterator(); 3031 int i = 0; 3032 while (it.hasNext()) { 3033 res[i++] = it.next().name; 3034 } 3035 return res; 3036 } else if (obj instanceof PackageSetting) { 3037 final PackageSetting ps = (PackageSetting) obj; 3038 return new String[] { ps.name }; 3039 } 3040 } 3041 return null; 3042 } 3043 3044 @Override 3045 public String getNameForUid(int uid) { 3046 // reader 3047 synchronized (mPackages) { 3048 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3049 if (obj instanceof SharedUserSetting) { 3050 final SharedUserSetting sus = (SharedUserSetting) obj; 3051 return sus.name + ":" + sus.userId; 3052 } else if (obj instanceof PackageSetting) { 3053 final PackageSetting ps = (PackageSetting) obj; 3054 return ps.name; 3055 } 3056 } 3057 return null; 3058 } 3059 3060 @Override 3061 public int getUidForSharedUser(String sharedUserName) { 3062 if(sharedUserName == null) { 3063 return -1; 3064 } 3065 // reader 3066 synchronized (mPackages) { 3067 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 3068 if (suid == null) { 3069 return -1; 3070 } 3071 return suid.userId; 3072 } 3073 } 3074 3075 @Override 3076 public int getFlagsForUid(int uid) { 3077 synchronized (mPackages) { 3078 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3079 if (obj instanceof SharedUserSetting) { 3080 final SharedUserSetting sus = (SharedUserSetting) obj; 3081 return sus.pkgFlags; 3082 } else if (obj instanceof PackageSetting) { 3083 final PackageSetting ps = (PackageSetting) obj; 3084 return ps.pkgFlags; 3085 } 3086 } 3087 return 0; 3088 } 3089 3090 @Override 3091 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3092 int flags, int userId) { 3093 if (!sUserManager.exists(userId)) return null; 3094 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 3095 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3096 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3097 } 3098 3099 @Override 3100 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3101 IntentFilter filter, int match, ComponentName activity) { 3102 final int userId = UserHandle.getCallingUserId(); 3103 if (DEBUG_PREFERRED) { 3104 Log.v(TAG, "setLastChosenActivity intent=" + intent 3105 + " resolvedType=" + resolvedType 3106 + " flags=" + flags 3107 + " filter=" + filter 3108 + " match=" + match 3109 + " activity=" + activity); 3110 filter.dump(new PrintStreamPrinter(System.out), " "); 3111 } 3112 intent.setComponent(null); 3113 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3114 // Find any earlier preferred or last chosen entries and nuke them 3115 findPreferredActivity(intent, resolvedType, 3116 flags, query, 0, false, true, false, userId); 3117 // Add the new activity as the last chosen for this filter 3118 addPreferredActivityInternal(filter, match, null, activity, false, userId); 3119 } 3120 3121 @Override 3122 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3123 final int userId = UserHandle.getCallingUserId(); 3124 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3125 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3126 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3127 false, false, false, userId); 3128 } 3129 3130 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3131 int flags, List<ResolveInfo> query, int userId) { 3132 if (query != null) { 3133 final int N = query.size(); 3134 if (N == 1) { 3135 return query.get(0); 3136 } else if (N > 1) { 3137 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3138 // If there is more than one activity with the same priority, 3139 // then let the user decide between them. 3140 ResolveInfo r0 = query.get(0); 3141 ResolveInfo r1 = query.get(1); 3142 if (DEBUG_INTENT_MATCHING || debug) { 3143 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3144 + r1.activityInfo.name + "=" + r1.priority); 3145 } 3146 // If the first activity has a higher priority, or a different 3147 // default, then it is always desireable to pick it. 3148 if (r0.priority != r1.priority 3149 || r0.preferredOrder != r1.preferredOrder 3150 || r0.isDefault != r1.isDefault) { 3151 return query.get(0); 3152 } 3153 // If we have saved a preference for a preferred activity for 3154 // this Intent, use that. 3155 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3156 flags, query, r0.priority, true, false, debug, userId); 3157 if (ri != null) { 3158 return ri; 3159 } 3160 if (userId != 0) { 3161 ri = new ResolveInfo(mResolveInfo); 3162 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3163 ri.activityInfo.applicationInfo = new ApplicationInfo( 3164 ri.activityInfo.applicationInfo); 3165 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3166 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3167 return ri; 3168 } 3169 return mResolveInfo; 3170 } 3171 } 3172 return null; 3173 } 3174 3175 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3176 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3177 final int N = query.size(); 3178 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3179 .get(userId); 3180 // Get the list of persistent preferred activities that handle the intent 3181 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3182 List<PersistentPreferredActivity> pprefs = ppir != null 3183 ? ppir.queryIntent(intent, resolvedType, 3184 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3185 : null; 3186 if (pprefs != null && pprefs.size() > 0) { 3187 final int M = pprefs.size(); 3188 for (int i=0; i<M; i++) { 3189 final PersistentPreferredActivity ppa = pprefs.get(i); 3190 if (DEBUG_PREFERRED || debug) { 3191 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3192 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3193 + "\n component=" + ppa.mComponent); 3194 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3195 } 3196 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3197 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3198 if (DEBUG_PREFERRED || debug) { 3199 Slog.v(TAG, "Found persistent preferred activity:"); 3200 if (ai != null) { 3201 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3202 } else { 3203 Slog.v(TAG, " null"); 3204 } 3205 } 3206 if (ai == null) { 3207 // This previously registered persistent preferred activity 3208 // component is no longer known. Ignore it and do NOT remove it. 3209 continue; 3210 } 3211 for (int j=0; j<N; j++) { 3212 final ResolveInfo ri = query.get(j); 3213 if (!ri.activityInfo.applicationInfo.packageName 3214 .equals(ai.applicationInfo.packageName)) { 3215 continue; 3216 } 3217 if (!ri.activityInfo.name.equals(ai.name)) { 3218 continue; 3219 } 3220 // Found a persistent preference that can handle the intent. 3221 if (DEBUG_PREFERRED || debug) { 3222 Slog.v(TAG, "Returning persistent preferred activity: " + 3223 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3224 } 3225 return ri; 3226 } 3227 } 3228 } 3229 return null; 3230 } 3231 3232 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3233 List<ResolveInfo> query, int priority, boolean always, 3234 boolean removeMatches, boolean debug, int userId) { 3235 if (!sUserManager.exists(userId)) return null; 3236 // writer 3237 synchronized (mPackages) { 3238 if (intent.getSelector() != null) { 3239 intent = intent.getSelector(); 3240 } 3241 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3242 3243 // Try to find a matching persistent preferred activity. 3244 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3245 debug, userId); 3246 3247 // If a persistent preferred activity matched, use it. 3248 if (pri != null) { 3249 return pri; 3250 } 3251 3252 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3253 // Get the list of preferred activities that handle the intent 3254 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3255 List<PreferredActivity> prefs = pir != null 3256 ? pir.queryIntent(intent, resolvedType, 3257 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3258 : null; 3259 if (prefs != null && prefs.size() > 0) { 3260 // First figure out how good the original match set is. 3261 // We will only allow preferred activities that came 3262 // from the same match quality. 3263 int match = 0; 3264 3265 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3266 3267 final int N = query.size(); 3268 for (int j=0; j<N; j++) { 3269 final ResolveInfo ri = query.get(j); 3270 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3271 + ": 0x" + Integer.toHexString(match)); 3272 if (ri.match > match) { 3273 match = ri.match; 3274 } 3275 } 3276 3277 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3278 + Integer.toHexString(match)); 3279 3280 match &= IntentFilter.MATCH_CATEGORY_MASK; 3281 final int M = prefs.size(); 3282 for (int i=0; i<M; i++) { 3283 final PreferredActivity pa = prefs.get(i); 3284 if (DEBUG_PREFERRED || debug) { 3285 Slog.v(TAG, "Checking PreferredActivity ds=" 3286 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3287 + "\n component=" + pa.mPref.mComponent); 3288 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3289 } 3290 if (pa.mPref.mMatch != match) { 3291 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3292 + Integer.toHexString(pa.mPref.mMatch)); 3293 continue; 3294 } 3295 // If it's not an "always" type preferred activity and that's what we're 3296 // looking for, skip it. 3297 if (always && !pa.mPref.mAlways) { 3298 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3299 continue; 3300 } 3301 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3302 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3303 if (DEBUG_PREFERRED || debug) { 3304 Slog.v(TAG, "Found preferred activity:"); 3305 if (ai != null) { 3306 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3307 } else { 3308 Slog.v(TAG, " null"); 3309 } 3310 } 3311 if (ai == null) { 3312 // This previously registered preferred activity 3313 // component is no longer known. Most likely an update 3314 // to the app was installed and in the new version this 3315 // component no longer exists. Clean it up by removing 3316 // it from the preferred activities list, and skip it. 3317 Slog.w(TAG, "Removing dangling preferred activity: " 3318 + pa.mPref.mComponent); 3319 pir.removeFilter(pa); 3320 continue; 3321 } 3322 for (int j=0; j<N; j++) { 3323 final ResolveInfo ri = query.get(j); 3324 if (!ri.activityInfo.applicationInfo.packageName 3325 .equals(ai.applicationInfo.packageName)) { 3326 continue; 3327 } 3328 if (!ri.activityInfo.name.equals(ai.name)) { 3329 continue; 3330 } 3331 3332 if (removeMatches) { 3333 pir.removeFilter(pa); 3334 if (DEBUG_PREFERRED) { 3335 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3336 } 3337 break; 3338 } 3339 3340 // Okay we found a previously set preferred or last chosen app. 3341 // If the result set is different from when this 3342 // was created, we need to clear it and re-ask the 3343 // user their preference, if we're looking for an "always" type entry. 3344 if (always && !pa.mPref.sameSet(query, priority)) { 3345 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3346 + intent + " type " + resolvedType); 3347 if (DEBUG_PREFERRED) { 3348 Slog.v(TAG, "Removing preferred activity since set changed " 3349 + pa.mPref.mComponent); 3350 } 3351 pir.removeFilter(pa); 3352 // Re-add the filter as a "last chosen" entry (!always) 3353 PreferredActivity lastChosen = new PreferredActivity( 3354 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3355 pir.addFilter(lastChosen); 3356 mSettings.writePackageRestrictionsLPr(userId); 3357 return null; 3358 } 3359 3360 // Yay! Either the set matched or we're looking for the last chosen 3361 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3362 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3363 mSettings.writePackageRestrictionsLPr(userId); 3364 return ri; 3365 } 3366 } 3367 } 3368 mSettings.writePackageRestrictionsLPr(userId); 3369 } 3370 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3371 return null; 3372 } 3373 3374 /* 3375 * Returns if intent can be forwarded from the userId from to dest 3376 */ 3377 @Override 3378 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3379 int targetUserId) { 3380 mContext.enforceCallingOrSelfPermission( 3381 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3382 List<CrossProfileIntentFilter> matches = 3383 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3384 if (matches != null) { 3385 int size = matches.size(); 3386 for (int i = 0; i < size; i++) { 3387 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3388 } 3389 } 3390 return false; 3391 } 3392 3393 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3394 String resolvedType, int userId) { 3395 CrossProfileIntentResolver cpir = mSettings.mCrossProfileIntentResolvers.get(userId); 3396 if (cpir != null) { 3397 return cpir.queryIntent(intent, resolvedType, false, userId); 3398 } 3399 return null; 3400 } 3401 3402 @Override 3403 public List<ResolveInfo> queryIntentActivities(Intent intent, 3404 String resolvedType, int flags, int userId) { 3405 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3406 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3407 ComponentName comp = intent.getComponent(); 3408 if (comp == null) { 3409 if (intent.getSelector() != null) { 3410 intent = intent.getSelector(); 3411 comp = intent.getComponent(); 3412 } 3413 } 3414 3415 if (comp != null) { 3416 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3417 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3418 if (ai != null) { 3419 final ResolveInfo ri = new ResolveInfo(); 3420 ri.activityInfo = ai; 3421 list.add(ri); 3422 } 3423 return list; 3424 } 3425 3426 // reader 3427 synchronized (mPackages) { 3428 final String pkgName = intent.getPackage(); 3429 if (pkgName == null) { 3430 List<ResolveInfo> result = 3431 mActivities.queryIntent(intent, resolvedType, flags, userId); 3432 // Checking if we can forward the intent to another user 3433 List<CrossProfileIntentFilter> cpifs = 3434 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3435 if (cpifs != null) { 3436 CrossProfileIntentFilter crossProfileIntentFilterWithResult = null; 3437 HashSet<Integer> alreadyTriedUserIds = new HashSet<Integer>(); 3438 for (CrossProfileIntentFilter cpif : cpifs) { 3439 int targetUserId = cpif.getTargetUserId(); 3440 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3441 // match the same an intent. For performance reasons, it is better not to 3442 // run queryIntent twice for the same userId 3443 if (!alreadyTriedUserIds.contains(targetUserId)) { 3444 List<ResolveInfo> resultUser = mActivities.queryIntent(intent, 3445 resolvedType, flags, targetUserId); 3446 if (resultUser != null) { 3447 crossProfileIntentFilterWithResult = cpif; 3448 // As soon as there is a match in another user, we add the 3449 // intentForwarderActivity to the list of ResolveInfo. 3450 break; 3451 } 3452 alreadyTriedUserIds.add(targetUserId); 3453 } 3454 } 3455 if (crossProfileIntentFilterWithResult != null) { 3456 ResolveInfo forwardingResolveInfo = createForwardingResolveInfo( 3457 crossProfileIntentFilterWithResult, userId); 3458 result.add(forwardingResolveInfo); 3459 } 3460 } 3461 return result; 3462 } 3463 final PackageParser.Package pkg = mPackages.get(pkgName); 3464 if (pkg != null) { 3465 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3466 pkg.activities, userId); 3467 } 3468 return new ArrayList<ResolveInfo>(); 3469 } 3470 } 3471 3472 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter cpif, 3473 int sourceUserId) { 3474 String className; 3475 int targetUserId = cpif.getTargetUserId(); 3476 if (targetUserId == UserHandle.USER_OWNER) { 3477 className = FORWARD_INTENT_TO_USER_OWNER; 3478 } else { 3479 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3480 } 3481 ComponentName forwardingActivityComponentName = new ComponentName( 3482 mAndroidApplication.packageName, className); 3483 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3484 sourceUserId); 3485 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3486 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3487 forwardingResolveInfo.priority = 0; 3488 forwardingResolveInfo.preferredOrder = 0; 3489 forwardingResolveInfo.match = 0; 3490 forwardingResolveInfo.isDefault = true; 3491 forwardingResolveInfo.filter = cpif; 3492 return forwardingResolveInfo; 3493 } 3494 3495 @Override 3496 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3497 Intent[] specifics, String[] specificTypes, Intent intent, 3498 String resolvedType, int flags, int userId) { 3499 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3500 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3501 "query intent activity options"); 3502 final String resultsAction = intent.getAction(); 3503 3504 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3505 | PackageManager.GET_RESOLVED_FILTER, userId); 3506 3507 if (DEBUG_INTENT_MATCHING) { 3508 Log.v(TAG, "Query " + intent + ": " + results); 3509 } 3510 3511 int specificsPos = 0; 3512 int N; 3513 3514 // todo: note that the algorithm used here is O(N^2). This 3515 // isn't a problem in our current environment, but if we start running 3516 // into situations where we have more than 5 or 10 matches then this 3517 // should probably be changed to something smarter... 3518 3519 // First we go through and resolve each of the specific items 3520 // that were supplied, taking care of removing any corresponding 3521 // duplicate items in the generic resolve list. 3522 if (specifics != null) { 3523 for (int i=0; i<specifics.length; i++) { 3524 final Intent sintent = specifics[i]; 3525 if (sintent == null) { 3526 continue; 3527 } 3528 3529 if (DEBUG_INTENT_MATCHING) { 3530 Log.v(TAG, "Specific #" + i + ": " + sintent); 3531 } 3532 3533 String action = sintent.getAction(); 3534 if (resultsAction != null && resultsAction.equals(action)) { 3535 // If this action was explicitly requested, then don't 3536 // remove things that have it. 3537 action = null; 3538 } 3539 3540 ResolveInfo ri = null; 3541 ActivityInfo ai = null; 3542 3543 ComponentName comp = sintent.getComponent(); 3544 if (comp == null) { 3545 ri = resolveIntent( 3546 sintent, 3547 specificTypes != null ? specificTypes[i] : null, 3548 flags, userId); 3549 if (ri == null) { 3550 continue; 3551 } 3552 if (ri == mResolveInfo) { 3553 // ACK! Must do something better with this. 3554 } 3555 ai = ri.activityInfo; 3556 comp = new ComponentName(ai.applicationInfo.packageName, 3557 ai.name); 3558 } else { 3559 ai = getActivityInfo(comp, flags, userId); 3560 if (ai == null) { 3561 continue; 3562 } 3563 } 3564 3565 // Look for any generic query activities that are duplicates 3566 // of this specific one, and remove them from the results. 3567 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3568 N = results.size(); 3569 int j; 3570 for (j=specificsPos; j<N; j++) { 3571 ResolveInfo sri = results.get(j); 3572 if ((sri.activityInfo.name.equals(comp.getClassName()) 3573 && sri.activityInfo.applicationInfo.packageName.equals( 3574 comp.getPackageName())) 3575 || (action != null && sri.filter.matchAction(action))) { 3576 results.remove(j); 3577 if (DEBUG_INTENT_MATCHING) Log.v( 3578 TAG, "Removing duplicate item from " + j 3579 + " due to specific " + specificsPos); 3580 if (ri == null) { 3581 ri = sri; 3582 } 3583 j--; 3584 N--; 3585 } 3586 } 3587 3588 // Add this specific item to its proper place. 3589 if (ri == null) { 3590 ri = new ResolveInfo(); 3591 ri.activityInfo = ai; 3592 } 3593 results.add(specificsPos, ri); 3594 ri.specificIndex = i; 3595 specificsPos++; 3596 } 3597 } 3598 3599 // Now we go through the remaining generic results and remove any 3600 // duplicate actions that are found here. 3601 N = results.size(); 3602 for (int i=specificsPos; i<N-1; i++) { 3603 final ResolveInfo rii = results.get(i); 3604 if (rii.filter == null) { 3605 continue; 3606 } 3607 3608 // Iterate over all of the actions of this result's intent 3609 // filter... typically this should be just one. 3610 final Iterator<String> it = rii.filter.actionsIterator(); 3611 if (it == null) { 3612 continue; 3613 } 3614 while (it.hasNext()) { 3615 final String action = it.next(); 3616 if (resultsAction != null && resultsAction.equals(action)) { 3617 // If this action was explicitly requested, then don't 3618 // remove things that have it. 3619 continue; 3620 } 3621 for (int j=i+1; j<N; j++) { 3622 final ResolveInfo rij = results.get(j); 3623 if (rij.filter != null && rij.filter.hasAction(action)) { 3624 results.remove(j); 3625 if (DEBUG_INTENT_MATCHING) Log.v( 3626 TAG, "Removing duplicate item from " + j 3627 + " due to action " + action + " at " + i); 3628 j--; 3629 N--; 3630 } 3631 } 3632 } 3633 3634 // If the caller didn't request filter information, drop it now 3635 // so we don't have to marshall/unmarshall it. 3636 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3637 rii.filter = null; 3638 } 3639 } 3640 3641 // Filter out the caller activity if so requested. 3642 if (caller != null) { 3643 N = results.size(); 3644 for (int i=0; i<N; i++) { 3645 ActivityInfo ainfo = results.get(i).activityInfo; 3646 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3647 && caller.getClassName().equals(ainfo.name)) { 3648 results.remove(i); 3649 break; 3650 } 3651 } 3652 } 3653 3654 // If the caller didn't request filter information, 3655 // drop them now so we don't have to 3656 // marshall/unmarshall it. 3657 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3658 N = results.size(); 3659 for (int i=0; i<N; i++) { 3660 results.get(i).filter = null; 3661 } 3662 } 3663 3664 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3665 return results; 3666 } 3667 3668 @Override 3669 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3670 int userId) { 3671 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3672 ComponentName comp = intent.getComponent(); 3673 if (comp == null) { 3674 if (intent.getSelector() != null) { 3675 intent = intent.getSelector(); 3676 comp = intent.getComponent(); 3677 } 3678 } 3679 if (comp != null) { 3680 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3681 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3682 if (ai != null) { 3683 ResolveInfo ri = new ResolveInfo(); 3684 ri.activityInfo = ai; 3685 list.add(ri); 3686 } 3687 return list; 3688 } 3689 3690 // reader 3691 synchronized (mPackages) { 3692 String pkgName = intent.getPackage(); 3693 if (pkgName == null) { 3694 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3695 } 3696 final PackageParser.Package pkg = mPackages.get(pkgName); 3697 if (pkg != null) { 3698 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3699 userId); 3700 } 3701 return null; 3702 } 3703 } 3704 3705 @Override 3706 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3707 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3708 if (!sUserManager.exists(userId)) return null; 3709 if (query != null) { 3710 if (query.size() >= 1) { 3711 // If there is more than one service with the same priority, 3712 // just arbitrarily pick the first one. 3713 return query.get(0); 3714 } 3715 } 3716 return null; 3717 } 3718 3719 @Override 3720 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3721 int userId) { 3722 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3723 ComponentName comp = intent.getComponent(); 3724 if (comp == null) { 3725 if (intent.getSelector() != null) { 3726 intent = intent.getSelector(); 3727 comp = intent.getComponent(); 3728 } 3729 } 3730 if (comp != null) { 3731 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3732 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3733 if (si != null) { 3734 final ResolveInfo ri = new ResolveInfo(); 3735 ri.serviceInfo = si; 3736 list.add(ri); 3737 } 3738 return list; 3739 } 3740 3741 // reader 3742 synchronized (mPackages) { 3743 String pkgName = intent.getPackage(); 3744 if (pkgName == null) { 3745 return mServices.queryIntent(intent, resolvedType, flags, userId); 3746 } 3747 final PackageParser.Package pkg = mPackages.get(pkgName); 3748 if (pkg != null) { 3749 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3750 userId); 3751 } 3752 return null; 3753 } 3754 } 3755 3756 @Override 3757 public List<ResolveInfo> queryIntentContentProviders( 3758 Intent intent, String resolvedType, int flags, int userId) { 3759 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3760 ComponentName comp = intent.getComponent(); 3761 if (comp == null) { 3762 if (intent.getSelector() != null) { 3763 intent = intent.getSelector(); 3764 comp = intent.getComponent(); 3765 } 3766 } 3767 if (comp != null) { 3768 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3769 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3770 if (pi != null) { 3771 final ResolveInfo ri = new ResolveInfo(); 3772 ri.providerInfo = pi; 3773 list.add(ri); 3774 } 3775 return list; 3776 } 3777 3778 // reader 3779 synchronized (mPackages) { 3780 String pkgName = intent.getPackage(); 3781 if (pkgName == null) { 3782 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3783 } 3784 final PackageParser.Package pkg = mPackages.get(pkgName); 3785 if (pkg != null) { 3786 return mProviders.queryIntentForPackage( 3787 intent, resolvedType, flags, pkg.providers, userId); 3788 } 3789 return null; 3790 } 3791 } 3792 3793 @Override 3794 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3795 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3796 3797 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3798 3799 // writer 3800 synchronized (mPackages) { 3801 ArrayList<PackageInfo> list; 3802 if (listUninstalled) { 3803 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3804 for (PackageSetting ps : mSettings.mPackages.values()) { 3805 PackageInfo pi; 3806 if (ps.pkg != null) { 3807 pi = generatePackageInfo(ps.pkg, flags, userId); 3808 } else { 3809 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3810 } 3811 if (pi != null) { 3812 list.add(pi); 3813 } 3814 } 3815 } else { 3816 list = new ArrayList<PackageInfo>(mPackages.size()); 3817 for (PackageParser.Package p : mPackages.values()) { 3818 PackageInfo pi = generatePackageInfo(p, flags, userId); 3819 if (pi != null) { 3820 list.add(pi); 3821 } 3822 } 3823 } 3824 3825 return new ParceledListSlice<PackageInfo>(list); 3826 } 3827 } 3828 3829 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3830 String[] permissions, boolean[] tmp, int flags, int userId) { 3831 int numMatch = 0; 3832 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3833 for (int i=0; i<permissions.length; i++) { 3834 if (gp.grantedPermissions.contains(permissions[i])) { 3835 tmp[i] = true; 3836 numMatch++; 3837 } else { 3838 tmp[i] = false; 3839 } 3840 } 3841 if (numMatch == 0) { 3842 return; 3843 } 3844 PackageInfo pi; 3845 if (ps.pkg != null) { 3846 pi = generatePackageInfo(ps.pkg, flags, userId); 3847 } else { 3848 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3849 } 3850 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3851 if (numMatch == permissions.length) { 3852 pi.requestedPermissions = permissions; 3853 } else { 3854 pi.requestedPermissions = new String[numMatch]; 3855 numMatch = 0; 3856 for (int i=0; i<permissions.length; i++) { 3857 if (tmp[i]) { 3858 pi.requestedPermissions[numMatch] = permissions[i]; 3859 numMatch++; 3860 } 3861 } 3862 } 3863 } 3864 list.add(pi); 3865 } 3866 3867 @Override 3868 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3869 String[] permissions, int flags, int userId) { 3870 if (!sUserManager.exists(userId)) return null; 3871 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3872 3873 // writer 3874 synchronized (mPackages) { 3875 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3876 boolean[] tmpBools = new boolean[permissions.length]; 3877 if (listUninstalled) { 3878 for (PackageSetting ps : mSettings.mPackages.values()) { 3879 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3880 } 3881 } else { 3882 for (PackageParser.Package pkg : mPackages.values()) { 3883 PackageSetting ps = (PackageSetting)pkg.mExtras; 3884 if (ps != null) { 3885 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3886 userId); 3887 } 3888 } 3889 } 3890 3891 return new ParceledListSlice<PackageInfo>(list); 3892 } 3893 } 3894 3895 @Override 3896 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3897 if (!sUserManager.exists(userId)) return null; 3898 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3899 3900 // writer 3901 synchronized (mPackages) { 3902 ArrayList<ApplicationInfo> list; 3903 if (listUninstalled) { 3904 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3905 for (PackageSetting ps : mSettings.mPackages.values()) { 3906 ApplicationInfo ai; 3907 if (ps.pkg != null) { 3908 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3909 ps.readUserState(userId), userId); 3910 } else { 3911 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3912 } 3913 if (ai != null) { 3914 list.add(ai); 3915 } 3916 } 3917 } else { 3918 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3919 for (PackageParser.Package p : mPackages.values()) { 3920 if (p.mExtras != null) { 3921 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3922 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3923 if (ai != null) { 3924 list.add(ai); 3925 } 3926 } 3927 } 3928 } 3929 3930 return new ParceledListSlice<ApplicationInfo>(list); 3931 } 3932 } 3933 3934 public List<ApplicationInfo> getPersistentApplications(int flags) { 3935 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3936 3937 // reader 3938 synchronized (mPackages) { 3939 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3940 final int userId = UserHandle.getCallingUserId(); 3941 while (i.hasNext()) { 3942 final PackageParser.Package p = i.next(); 3943 if (p.applicationInfo != null 3944 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3945 && (!mSafeMode || isSystemApp(p))) { 3946 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3947 if (ps != null) { 3948 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3949 ps.readUserState(userId), userId); 3950 if (ai != null) { 3951 finalList.add(ai); 3952 } 3953 } 3954 } 3955 } 3956 } 3957 3958 return finalList; 3959 } 3960 3961 @Override 3962 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3963 if (!sUserManager.exists(userId)) return null; 3964 // reader 3965 synchronized (mPackages) { 3966 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3967 PackageSetting ps = provider != null 3968 ? mSettings.mPackages.get(provider.owner.packageName) 3969 : null; 3970 return ps != null 3971 && mSettings.isEnabledLPr(provider.info, flags, userId) 3972 && (!mSafeMode || (provider.info.applicationInfo.flags 3973 &ApplicationInfo.FLAG_SYSTEM) != 0) 3974 ? PackageParser.generateProviderInfo(provider, flags, 3975 ps.readUserState(userId), userId) 3976 : null; 3977 } 3978 } 3979 3980 /** 3981 * @deprecated 3982 */ 3983 @Deprecated 3984 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3985 // reader 3986 synchronized (mPackages) { 3987 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3988 .entrySet().iterator(); 3989 final int userId = UserHandle.getCallingUserId(); 3990 while (i.hasNext()) { 3991 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3992 PackageParser.Provider p = entry.getValue(); 3993 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3994 3995 if (ps != null && p.syncable 3996 && (!mSafeMode || (p.info.applicationInfo.flags 3997 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3998 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3999 ps.readUserState(userId), userId); 4000 if (info != null) { 4001 outNames.add(entry.getKey()); 4002 outInfo.add(info); 4003 } 4004 } 4005 } 4006 } 4007 } 4008 4009 @Override 4010 public List<ProviderInfo> queryContentProviders(String processName, 4011 int uid, int flags) { 4012 ArrayList<ProviderInfo> finalList = null; 4013 // reader 4014 synchronized (mPackages) { 4015 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4016 final int userId = processName != null ? 4017 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4018 while (i.hasNext()) { 4019 final PackageParser.Provider p = i.next(); 4020 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4021 if (ps != null && p.info.authority != null 4022 && (processName == null 4023 || (p.info.processName.equals(processName) 4024 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4025 && mSettings.isEnabledLPr(p.info, flags, userId) 4026 && (!mSafeMode 4027 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4028 if (finalList == null) { 4029 finalList = new ArrayList<ProviderInfo>(3); 4030 } 4031 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4032 ps.readUserState(userId), userId); 4033 if (info != null) { 4034 finalList.add(info); 4035 } 4036 } 4037 } 4038 } 4039 4040 if (finalList != null) { 4041 Collections.sort(finalList, mProviderInitOrderSorter); 4042 } 4043 4044 return finalList; 4045 } 4046 4047 @Override 4048 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4049 int flags) { 4050 // reader 4051 synchronized (mPackages) { 4052 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4053 return PackageParser.generateInstrumentationInfo(i, flags); 4054 } 4055 } 4056 4057 @Override 4058 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4059 int flags) { 4060 ArrayList<InstrumentationInfo> finalList = 4061 new ArrayList<InstrumentationInfo>(); 4062 4063 // reader 4064 synchronized (mPackages) { 4065 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4066 while (i.hasNext()) { 4067 final PackageParser.Instrumentation p = i.next(); 4068 if (targetPackage == null 4069 || targetPackage.equals(p.info.targetPackage)) { 4070 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4071 flags); 4072 if (ii != null) { 4073 finalList.add(ii); 4074 } 4075 } 4076 } 4077 } 4078 4079 return finalList; 4080 } 4081 4082 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4083 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4084 if (overlays == null) { 4085 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4086 return; 4087 } 4088 for (PackageParser.Package opkg : overlays.values()) { 4089 // Not much to do if idmap fails: we already logged the error 4090 // and we certainly don't want to abort installation of pkg simply 4091 // because an overlay didn't fit properly. For these reasons, 4092 // ignore the return value of createIdmapForPackagePairLI. 4093 createIdmapForPackagePairLI(pkg, opkg); 4094 } 4095 } 4096 4097 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4098 PackageParser.Package opkg) { 4099 if (!opkg.mTrustedOverlay) { 4100 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 4101 opkg.mScanPath + ": overlay not trusted"); 4102 return false; 4103 } 4104 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4105 if (overlaySet == null) { 4106 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 4107 opkg.mScanPath + " but target package has no known overlays"); 4108 return false; 4109 } 4110 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4111 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 4112 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 4113 return false; 4114 } 4115 PackageParser.Package[] overlayArray = 4116 overlaySet.values().toArray(new PackageParser.Package[0]); 4117 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4118 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4119 return p1.mOverlayPriority - p2.mOverlayPriority; 4120 } 4121 }; 4122 Arrays.sort(overlayArray, cmp); 4123 4124 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4125 int i = 0; 4126 for (PackageParser.Package p : overlayArray) { 4127 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 4128 } 4129 return true; 4130 } 4131 4132 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4133 String[] files = dir.list(); 4134 if (files == null) { 4135 Log.d(TAG, "No files in app dir " + dir); 4136 return; 4137 } 4138 4139 if (DEBUG_PACKAGE_SCANNING) { 4140 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4141 + " flags=0x" + Integer.toHexString(flags)); 4142 } 4143 4144 int i; 4145 for (i=0; i<files.length; i++) { 4146 File file = new File(dir, files[i]); 4147 if (!isPackageFilename(files[i])) { 4148 // Ignore entries which are not apk's 4149 continue; 4150 } 4151 PackageParser.Package pkg = scanPackageLI(file, 4152 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null, null); 4153 // Don't mess around with apps in system partition. 4154 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4155 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 4156 // Delete the apk 4157 Slog.w(TAG, "Cleaning up failed install of " + file); 4158 file.delete(); 4159 } 4160 } 4161 } 4162 4163 private static File getSettingsProblemFile() { 4164 File dataDir = Environment.getDataDirectory(); 4165 File systemDir = new File(dataDir, "system"); 4166 File fname = new File(systemDir, "uiderrors.txt"); 4167 return fname; 4168 } 4169 4170 static void reportSettingsProblem(int priority, String msg) { 4171 try { 4172 File fname = getSettingsProblemFile(); 4173 FileOutputStream out = new FileOutputStream(fname, true); 4174 PrintWriter pw = new FastPrintWriter(out); 4175 SimpleDateFormat formatter = new SimpleDateFormat(); 4176 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4177 pw.println(dateString + ": " + msg); 4178 pw.close(); 4179 FileUtils.setPermissions( 4180 fname.toString(), 4181 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4182 -1, -1); 4183 } catch (java.io.IOException e) { 4184 } 4185 Slog.println(priority, TAG, msg); 4186 } 4187 4188 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 4189 PackageParser.Package pkg, File srcFile, int parseFlags) { 4190 if (ps != null 4191 && ps.codePath.equals(srcFile) 4192 && ps.timeStamp == srcFile.lastModified() 4193 && !isCompatSignatureUpdateNeeded(pkg)) { 4194 if (ps.signatures.mSignatures != null 4195 && ps.signatures.mSignatures.length != 0) { 4196 // Optimization: reuse the existing cached certificates 4197 // if the package appears to be unchanged. 4198 pkg.mSignatures = ps.signatures.mSignatures; 4199 return true; 4200 } 4201 4202 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4203 } else { 4204 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4205 } 4206 4207 if (!pp.collectCertificates(pkg, parseFlags)) { 4208 mLastScanError = pp.getParseError(); 4209 return false; 4210 } 4211 return true; 4212 } 4213 4214 /* 4215 * Scan a package and return the newly parsed package. 4216 * Returns null in case of errors and the error code is stored in mLastScanError 4217 */ 4218 private PackageParser.Package scanPackageLI(File scanFile, 4219 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4220 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4221 String scanPath = scanFile.getPath(); 4222 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4223 parseFlags |= mDefParseFlags; 4224 PackageParser pp = new PackageParser(scanPath); 4225 pp.setSeparateProcesses(mSeparateProcesses); 4226 pp.setOnlyCoreApps(mOnlyCore); 4227 final PackageParser.Package pkg = pp.parsePackage(scanFile, 4228 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 4229 4230 if (pkg == null) { 4231 mLastScanError = pp.getParseError(); 4232 return null; 4233 } 4234 4235 PackageSetting ps = null; 4236 PackageSetting updatedPkg; 4237 // reader 4238 synchronized (mPackages) { 4239 // Look to see if we already know about this package. 4240 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4241 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4242 // This package has been renamed to its original name. Let's 4243 // use that. 4244 ps = mSettings.peekPackageLPr(oldName); 4245 } 4246 // If there was no original package, see one for the real package name. 4247 if (ps == null) { 4248 ps = mSettings.peekPackageLPr(pkg.packageName); 4249 } 4250 // Check to see if this package could be hiding/updating a system 4251 // package. Must look for it either under the original or real 4252 // package name depending on our state. 4253 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4254 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4255 } 4256 boolean updatedPkgBetter = false; 4257 // First check if this is a system package that may involve an update 4258 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4259 if (ps != null && !ps.codePath.equals(scanFile)) { 4260 // The path has changed from what was last scanned... check the 4261 // version of the new path against what we have stored to determine 4262 // what to do. 4263 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4264 if (pkg.mVersionCode < ps.versionCode) { 4265 // The system package has been updated and the code path does not match 4266 // Ignore entry. Skip it. 4267 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4268 + " ignored: updated version " + ps.versionCode 4269 + " better than this " + pkg.mVersionCode); 4270 if (!updatedPkg.codePath.equals(scanFile)) { 4271 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4272 + ps.name + " changing from " + updatedPkg.codePathString 4273 + " to " + scanFile); 4274 updatedPkg.codePath = scanFile; 4275 updatedPkg.codePathString = scanFile.toString(); 4276 // This is the point at which we know that the system-disk APK 4277 // for this package has moved during a reboot (e.g. due to an OTA), 4278 // so we need to reevaluate it for privilege policy. 4279 if (locationIsPrivileged(scanFile)) { 4280 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4281 } 4282 } 4283 updatedPkg.pkg = pkg; 4284 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4285 return null; 4286 } else { 4287 // The current app on the system partition is better than 4288 // what we have updated to on the data partition; switch 4289 // back to the system partition version. 4290 // At this point, its safely assumed that package installation for 4291 // apps in system partition will go through. If not there won't be a working 4292 // version of the app 4293 // writer 4294 synchronized (mPackages) { 4295 // Just remove the loaded entries from package lists. 4296 mPackages.remove(ps.name); 4297 } 4298 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4299 + "reverting from " + ps.codePathString 4300 + ": new version " + pkg.mVersionCode 4301 + " better than installed " + ps.versionCode); 4302 4303 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4304 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4305 getAppInstructionSetFromSettings(ps)); 4306 synchronized (mInstallLock) { 4307 args.cleanUpResourcesLI(); 4308 } 4309 synchronized (mPackages) { 4310 mSettings.enableSystemPackageLPw(ps.name); 4311 } 4312 updatedPkgBetter = true; 4313 } 4314 } 4315 } 4316 4317 if (updatedPkg != null) { 4318 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4319 // initially 4320 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4321 4322 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4323 // flag set initially 4324 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4325 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4326 } 4327 } 4328 // Verify certificates against what was last scanned 4329 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4330 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4331 return null; 4332 } 4333 4334 /* 4335 * A new system app appeared, but we already had a non-system one of the 4336 * same name installed earlier. 4337 */ 4338 boolean shouldHideSystemApp = false; 4339 if (updatedPkg == null && ps != null 4340 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4341 /* 4342 * Check to make sure the signatures match first. If they don't, 4343 * wipe the installed application and its data. 4344 */ 4345 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4346 != PackageManager.SIGNATURE_MATCH) { 4347 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4348 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4349 ps = null; 4350 } else { 4351 /* 4352 * If the newly-added system app is an older version than the 4353 * already installed version, hide it. It will be scanned later 4354 * and re-added like an update. 4355 */ 4356 if (pkg.mVersionCode < ps.versionCode) { 4357 shouldHideSystemApp = true; 4358 } else { 4359 /* 4360 * The newly found system app is a newer version that the 4361 * one previously installed. Simply remove the 4362 * already-installed application and replace it with our own 4363 * while keeping the application data. 4364 */ 4365 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4366 + ps.codePathString + ": new version " + pkg.mVersionCode 4367 + " better than installed " + ps.versionCode); 4368 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4369 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4370 getAppInstructionSetFromSettings(ps)); 4371 synchronized (mInstallLock) { 4372 args.cleanUpResourcesLI(); 4373 } 4374 } 4375 } 4376 } 4377 4378 // The apk is forward locked (not public) if its code and resources 4379 // are kept in different files. (except for app in either system or 4380 // vendor path). 4381 // TODO grab this value from PackageSettings 4382 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4383 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4384 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4385 } 4386 } 4387 4388 String codePath = null; 4389 String resPath = null; 4390 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4391 if (ps != null && ps.resourcePathString != null) { 4392 resPath = ps.resourcePathString; 4393 } else { 4394 // Should not happen at all. Just log an error. 4395 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4396 } 4397 } else { 4398 resPath = pkg.mScanPath; 4399 } 4400 4401 codePath = pkg.mScanPath; 4402 // Set application objects path explicitly. 4403 setApplicationInfoPaths(pkg, codePath, resPath); 4404 // Note that we invoke the following method only if we are about to unpack an application 4405 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4406 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4407 4408 /* 4409 * If the system app should be overridden by a previously installed 4410 * data, hide the system app now and let the /data/app scan pick it up 4411 * again. 4412 */ 4413 if (shouldHideSystemApp) { 4414 synchronized (mPackages) { 4415 /* 4416 * We have to grant systems permissions before we hide, because 4417 * grantPermissions will assume the package update is trying to 4418 * expand its permissions. 4419 */ 4420 grantPermissionsLPw(pkg, true); 4421 mSettings.disableSystemPackageLPw(pkg.packageName); 4422 } 4423 } 4424 4425 return scannedPkg; 4426 } 4427 4428 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4429 String destResPath) { 4430 pkg.mPath = pkg.mScanPath = destCodePath; 4431 pkg.applicationInfo.sourceDir = destCodePath; 4432 pkg.applicationInfo.publicSourceDir = destResPath; 4433 } 4434 4435 private static String fixProcessName(String defProcessName, 4436 String processName, int uid) { 4437 if (processName == null) { 4438 return defProcessName; 4439 } 4440 return processName; 4441 } 4442 4443 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4444 if (pkgSetting.signatures.mSignatures != null) { 4445 // Already existing package. Make sure signatures match 4446 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4447 == PackageManager.SIGNATURE_MATCH; 4448 if (!match) { 4449 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4450 == PackageManager.SIGNATURE_MATCH; 4451 } 4452 if (!match) { 4453 Slog.e(TAG, "Package " + pkg.packageName 4454 + " signatures do not match the previously installed version; ignoring!"); 4455 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4456 return false; 4457 } 4458 } 4459 // Check for shared user signatures 4460 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4461 // Already existing package. Make sure signatures match 4462 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4463 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4464 if (!match) { 4465 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4466 == PackageManager.SIGNATURE_MATCH; 4467 } 4468 if (!match) { 4469 Slog.e(TAG, "Package " + pkg.packageName 4470 + " has no signatures that match those in shared user " 4471 + pkgSetting.sharedUser.name + "; ignoring!"); 4472 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4473 return false; 4474 } 4475 } 4476 return true; 4477 } 4478 4479 /** 4480 * Enforces that only the system UID or root's UID can call a method exposed 4481 * via Binder. 4482 * 4483 * @param message used as message if SecurityException is thrown 4484 * @throws SecurityException if the caller is not system or root 4485 */ 4486 private static final void enforceSystemOrRoot(String message) { 4487 final int uid = Binder.getCallingUid(); 4488 if (uid != Process.SYSTEM_UID && uid != 0) { 4489 throw new SecurityException(message); 4490 } 4491 } 4492 4493 @Override 4494 public void performBootDexOpt() { 4495 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4496 4497 final HashSet<PackageParser.Package> pkgs; 4498 synchronized (mPackages) { 4499 pkgs = mDeferredDexOpt; 4500 mDeferredDexOpt = null; 4501 } 4502 4503 if (pkgs != null) { 4504 // Filter out packages that aren't recently used. 4505 // 4506 // The exception is first boot of a non-eng device, which 4507 // should do a full dexopt. 4508 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4509 if (eng || !isFirstBoot()) { 4510 // TODO: add a property to control this? 4511 long dexOptLRUThresholdInMinutes; 4512 if (eng) { 4513 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4514 } else { 4515 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4516 } 4517 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4518 4519 int total = pkgs.size(); 4520 int skipped = 0; 4521 long now = System.currentTimeMillis(); 4522 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4523 PackageParser.Package pkg = i.next(); 4524 long then = pkg.mLastPackageUsageTimeInMills; 4525 if (then + dexOptLRUThresholdInMills < now) { 4526 if (DEBUG_DEXOPT) { 4527 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4528 ((then == 0) ? "never" : new Date(then))); 4529 } 4530 i.remove(); 4531 skipped++; 4532 } 4533 } 4534 if (DEBUG_DEXOPT) { 4535 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4536 } 4537 } 4538 4539 int i = 0; 4540 for (PackageParser.Package pkg : pkgs) { 4541 i++; 4542 if (DEBUG_DEXOPT) { 4543 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4544 + ": " + pkg.packageName); 4545 } 4546 if (!isFirstBoot()) { 4547 try { 4548 ActivityManagerNative.getDefault().showBootMessage( 4549 mContext.getResources().getString( 4550 R.string.android_upgrading_apk, 4551 i, pkgs.size()), true); 4552 } catch (RemoteException e) { 4553 } 4554 } 4555 PackageParser.Package p = pkg; 4556 synchronized (mInstallLock) { 4557 if (p.mDexOptNeeded) { 4558 performDexOptLI(p, false /* force dex */, false /* defer */, 4559 true /* include dependencies */); 4560 } 4561 } 4562 } 4563 } 4564 } 4565 4566 @Override 4567 public boolean performDexOpt(String packageName) { 4568 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4569 return performDexOpt(packageName, true); 4570 } 4571 4572 public boolean performDexOpt(String packageName, boolean updateUsage) { 4573 4574 PackageParser.Package p; 4575 synchronized (mPackages) { 4576 p = mPackages.get(packageName); 4577 if (p == null) { 4578 return false; 4579 } 4580 if (updateUsage) { 4581 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4582 } 4583 mPackageUsage.write(false); 4584 if (!p.mDexOptNeeded) { 4585 return false; 4586 } 4587 } 4588 4589 synchronized (mInstallLock) { 4590 return performDexOptLI(p, false /* force dex */, false /* defer */, 4591 true /* include dependencies */) == DEX_OPT_PERFORMED; 4592 } 4593 } 4594 4595 public HashSet<String> getPackagesThatNeedDexOpt() { 4596 HashSet<String> pkgs = null; 4597 synchronized (mPackages) { 4598 for (PackageParser.Package p : mPackages.values()) { 4599 if (DEBUG_DEXOPT) { 4600 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4601 } 4602 if (!p.mDexOptNeeded) { 4603 continue; 4604 } 4605 if (pkgs == null) { 4606 pkgs = new HashSet<String>(); 4607 } 4608 pkgs.add(p.packageName); 4609 } 4610 } 4611 return pkgs; 4612 } 4613 4614 public void shutdown() { 4615 mPackageUsage.write(true); 4616 } 4617 4618 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4619 boolean forceDex, boolean defer, HashSet<String> done) { 4620 for (int i=0; i<libs.size(); i++) { 4621 PackageParser.Package libPkg; 4622 String libName; 4623 synchronized (mPackages) { 4624 libName = libs.get(i); 4625 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4626 if (lib != null && lib.apk != null) { 4627 libPkg = mPackages.get(lib.apk); 4628 } else { 4629 libPkg = null; 4630 } 4631 } 4632 if (libPkg != null && !done.contains(libName)) { 4633 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4634 } 4635 } 4636 } 4637 4638 static final int DEX_OPT_SKIPPED = 0; 4639 static final int DEX_OPT_PERFORMED = 1; 4640 static final int DEX_OPT_DEFERRED = 2; 4641 static final int DEX_OPT_FAILED = -1; 4642 4643 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4644 boolean forceDex, boolean defer, HashSet<String> done) { 4645 final String instructionSet = instructionSetOverride != null ? 4646 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4647 4648 if (done != null) { 4649 done.add(pkg.packageName); 4650 if (pkg.usesLibraries != null) { 4651 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4652 } 4653 if (pkg.usesOptionalLibraries != null) { 4654 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4655 } 4656 } 4657 4658 boolean performed = false; 4659 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4660 String path = pkg.mScanPath; 4661 try { 4662 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4663 pkg.packageName, 4664 instructionSet, 4665 defer); 4666 // There are three basic cases here: 4667 // 1.) we need to dexopt, either because we are forced or it is needed 4668 // 2.) we are defering a needed dexopt 4669 // 3.) we are skipping an unneeded dexopt 4670 if (forceDex || (!defer && isDexOptNeededInternal)) { 4671 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4672 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4673 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4674 pkg.packageName, instructionSet); 4675 // Note that we ran dexopt, since rerunning will 4676 // probably just result in an error again. 4677 pkg.mDexOptNeeded = false; 4678 if (ret < 0) { 4679 return DEX_OPT_FAILED; 4680 } 4681 return DEX_OPT_PERFORMED; 4682 } 4683 if (defer && isDexOptNeededInternal) { 4684 if (mDeferredDexOpt == null) { 4685 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4686 } 4687 mDeferredDexOpt.add(pkg); 4688 return DEX_OPT_DEFERRED; 4689 } 4690 pkg.mDexOptNeeded = false; 4691 return DEX_OPT_SKIPPED; 4692 } catch (FileNotFoundException e) { 4693 Slog.w(TAG, "Apk not found for dexopt: " + path); 4694 return DEX_OPT_FAILED; 4695 } catch (IOException e) { 4696 Slog.w(TAG, "IOException reading apk: " + path, e); 4697 return DEX_OPT_FAILED; 4698 } catch (StaleDexCacheError e) { 4699 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4700 return DEX_OPT_FAILED; 4701 } catch (Exception e) { 4702 Slog.w(TAG, "Exception when doing dexopt : ", e); 4703 return DEX_OPT_FAILED; 4704 } 4705 } 4706 return DEX_OPT_SKIPPED; 4707 } 4708 4709 private String getAppInstructionSet(ApplicationInfo info) { 4710 String instructionSet = getPreferredInstructionSet(); 4711 4712 if (info.cpuAbi != null) { 4713 instructionSet = VMRuntime.getInstructionSet(info.cpuAbi); 4714 } 4715 4716 return instructionSet; 4717 } 4718 4719 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4720 String instructionSet = getPreferredInstructionSet(); 4721 4722 if (ps.cpuAbiString != null) { 4723 instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 4724 } 4725 4726 return instructionSet; 4727 } 4728 4729 private static String getPreferredInstructionSet() { 4730 if (sPreferredInstructionSet == null) { 4731 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4732 } 4733 4734 return sPreferredInstructionSet; 4735 } 4736 4737 private static List<String> getAllInstructionSets() { 4738 final String[] allAbis = Build.SUPPORTED_ABIS; 4739 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4740 4741 for (String abi : allAbis) { 4742 final String instructionSet = VMRuntime.getInstructionSet(abi); 4743 if (!allInstructionSets.contains(instructionSet)) { 4744 allInstructionSets.add(instructionSet); 4745 } 4746 } 4747 4748 return allInstructionSets; 4749 } 4750 4751 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4752 boolean inclDependencies) { 4753 HashSet<String> done; 4754 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4755 done = new HashSet<String>(); 4756 done.add(pkg.packageName); 4757 } else { 4758 done = null; 4759 } 4760 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4761 } 4762 4763 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4764 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4765 Slog.w(TAG, "Unable to update from " + oldPkg.name 4766 + " to " + newPkg.packageName 4767 + ": old package not in system partition"); 4768 return false; 4769 } else if (mPackages.get(oldPkg.name) != null) { 4770 Slog.w(TAG, "Unable to update from " + oldPkg.name 4771 + " to " + newPkg.packageName 4772 + ": old package still exists"); 4773 return false; 4774 } 4775 return true; 4776 } 4777 4778 File getDataPathForUser(int userId) { 4779 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4780 } 4781 4782 private File getDataPathForPackage(String packageName, int userId) { 4783 /* 4784 * Until we fully support multiple users, return the directory we 4785 * previously would have. The PackageManagerTests will need to be 4786 * revised when this is changed back.. 4787 */ 4788 if (userId == 0) { 4789 return new File(mAppDataDir, packageName); 4790 } else { 4791 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4792 + File.separator + packageName); 4793 } 4794 } 4795 4796 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4797 int[] users = sUserManager.getUserIds(); 4798 int res = mInstaller.install(packageName, uid, uid, seinfo); 4799 if (res < 0) { 4800 return res; 4801 } 4802 for (int user : users) { 4803 if (user != 0) { 4804 res = mInstaller.createUserData(packageName, 4805 UserHandle.getUid(user, uid), user, seinfo); 4806 if (res < 0) { 4807 return res; 4808 } 4809 } 4810 } 4811 return res; 4812 } 4813 4814 private int removeDataDirsLI(String packageName) { 4815 int[] users = sUserManager.getUserIds(); 4816 int res = 0; 4817 for (int user : users) { 4818 int resInner = mInstaller.remove(packageName, user); 4819 if (resInner < 0) { 4820 res = resInner; 4821 } 4822 } 4823 4824 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4825 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4826 if (!nativeLibraryFile.delete()) { 4827 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4828 } 4829 4830 return res; 4831 } 4832 4833 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4834 PackageParser.Package changingLib) { 4835 if (file.path != null) { 4836 mTmpSharedLibraries[num] = file.path; 4837 return num+1; 4838 } 4839 PackageParser.Package p = mPackages.get(file.apk); 4840 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4841 // If we are doing this while in the middle of updating a library apk, 4842 // then we need to make sure to use that new apk for determining the 4843 // dependencies here. (We haven't yet finished committing the new apk 4844 // to the package manager state.) 4845 if (p == null || p.packageName.equals(changingLib.packageName)) { 4846 p = changingLib; 4847 } 4848 } 4849 if (p != null) { 4850 String path = p.mPath; 4851 for (int i=0; i<num; i++) { 4852 if (mTmpSharedLibraries[i].equals(path)) { 4853 return num; 4854 } 4855 } 4856 mTmpSharedLibraries[num] = p.mPath; 4857 return num+1; 4858 } 4859 return num; 4860 } 4861 4862 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4863 PackageParser.Package changingLib) { 4864 // We might be upgrading from a version of the platform that did not 4865 // provide per-package native library directories for system apps. 4866 // Fix that up here. 4867 if (isSystemApp(pkg)) { 4868 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4869 setInternalAppNativeLibraryPath(pkg, ps); 4870 } 4871 4872 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4873 if (mTmpSharedLibraries == null || 4874 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4875 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4876 } 4877 int num = 0; 4878 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4879 for (int i=0; i<N; i++) { 4880 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4881 if (file == null) { 4882 Slog.e(TAG, "Package " + pkg.packageName 4883 + " requires unavailable shared library " 4884 + pkg.usesLibraries.get(i) + "; failing!"); 4885 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4886 return false; 4887 } 4888 num = addSharedLibraryLPw(file, num, changingLib); 4889 } 4890 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4891 for (int i=0; i<N; i++) { 4892 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4893 if (file == null) { 4894 Slog.w(TAG, "Package " + pkg.packageName 4895 + " desires unavailable shared library " 4896 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4897 } else { 4898 num = addSharedLibraryLPw(file, num, changingLib); 4899 } 4900 } 4901 if (num > 0) { 4902 pkg.usesLibraryFiles = new String[num]; 4903 System.arraycopy(mTmpSharedLibraries, 0, 4904 pkg.usesLibraryFiles, 0, num); 4905 } else { 4906 pkg.usesLibraryFiles = null; 4907 } 4908 } 4909 return true; 4910 } 4911 4912 private static boolean hasString(List<String> list, List<String> which) { 4913 if (list == null) { 4914 return false; 4915 } 4916 for (int i=list.size()-1; i>=0; i--) { 4917 for (int j=which.size()-1; j>=0; j--) { 4918 if (which.get(j).equals(list.get(i))) { 4919 return true; 4920 } 4921 } 4922 } 4923 return false; 4924 } 4925 4926 private void updateAllSharedLibrariesLPw() { 4927 for (PackageParser.Package pkg : mPackages.values()) { 4928 updateSharedLibrariesLPw(pkg, null); 4929 } 4930 } 4931 4932 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4933 PackageParser.Package changingPkg) { 4934 ArrayList<PackageParser.Package> res = null; 4935 for (PackageParser.Package pkg : mPackages.values()) { 4936 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4937 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4938 if (res == null) { 4939 res = new ArrayList<PackageParser.Package>(); 4940 } 4941 res.add(pkg); 4942 updateSharedLibrariesLPw(pkg, changingPkg); 4943 } 4944 } 4945 return res; 4946 } 4947 4948 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4949 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4950 File scanFile = new File(pkg.mScanPath); 4951 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4952 pkg.applicationInfo.publicSourceDir == null) { 4953 // Bail out. The resource and code paths haven't been set. 4954 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4955 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4956 return null; 4957 } 4958 4959 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4960 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4961 } 4962 4963 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4964 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4965 } 4966 4967 if (mCustomResolverComponentName != null && 4968 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4969 setUpCustomResolverActivity(pkg); 4970 } 4971 4972 if (pkg.packageName.equals("android")) { 4973 synchronized (mPackages) { 4974 if (mAndroidApplication != null) { 4975 Slog.w(TAG, "*************************************************"); 4976 Slog.w(TAG, "Core android package being redefined. Skipping."); 4977 Slog.w(TAG, " file=" + scanFile); 4978 Slog.w(TAG, "*************************************************"); 4979 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4980 return null; 4981 } 4982 4983 // Set up information for our fall-back user intent resolution activity. 4984 mPlatformPackage = pkg; 4985 pkg.mVersionCode = mSdkVersion; 4986 mAndroidApplication = pkg.applicationInfo; 4987 4988 if (!mResolverReplaced) { 4989 mResolveActivity.applicationInfo = mAndroidApplication; 4990 mResolveActivity.name = ResolverActivity.class.getName(); 4991 mResolveActivity.packageName = mAndroidApplication.packageName; 4992 mResolveActivity.processName = "system:ui"; 4993 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4994 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4995 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4996 mResolveActivity.exported = true; 4997 mResolveActivity.enabled = true; 4998 mResolveInfo.activityInfo = mResolveActivity; 4999 mResolveInfo.priority = 0; 5000 mResolveInfo.preferredOrder = 0; 5001 mResolveInfo.match = 0; 5002 mResolveComponentName = new ComponentName( 5003 mAndroidApplication.packageName, mResolveActivity.name); 5004 } 5005 } 5006 } 5007 5008 if (DEBUG_PACKAGE_SCANNING) { 5009 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5010 Log.d(TAG, "Scanning package " + pkg.packageName); 5011 } 5012 5013 if (mPackages.containsKey(pkg.packageName) 5014 || mSharedLibraries.containsKey(pkg.packageName)) { 5015 Slog.w(TAG, "Application package " + pkg.packageName 5016 + " already installed. Skipping duplicate."); 5017 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 5018 return null; 5019 } 5020 5021 // Initialize package source and resource directories 5022 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 5023 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 5024 5025 SharedUserSetting suid = null; 5026 PackageSetting pkgSetting = null; 5027 5028 if (!isSystemApp(pkg)) { 5029 // Only system apps can use these features. 5030 pkg.mOriginalPackages = null; 5031 pkg.mRealPackage = null; 5032 pkg.mAdoptPermissions = null; 5033 } 5034 5035 // writer 5036 synchronized (mPackages) { 5037 if (pkg.mSharedUserId != null) { 5038 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5039 if (suid == null) { 5040 Slog.w(TAG, "Creating application package " + pkg.packageName 5041 + " for shared user failed"); 5042 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5043 return null; 5044 } 5045 if (DEBUG_PACKAGE_SCANNING) { 5046 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5047 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5048 + "): packages=" + suid.packages); 5049 } 5050 } 5051 5052 // Check if we are renaming from an original package name. 5053 PackageSetting origPackage = null; 5054 String realName = null; 5055 if (pkg.mOriginalPackages != null) { 5056 // This package may need to be renamed to a previously 5057 // installed name. Let's check on that... 5058 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5059 if (pkg.mOriginalPackages.contains(renamed)) { 5060 // This package had originally been installed as the 5061 // original name, and we have already taken care of 5062 // transitioning to the new one. Just update the new 5063 // one to continue using the old name. 5064 realName = pkg.mRealPackage; 5065 if (!pkg.packageName.equals(renamed)) { 5066 // Callers into this function may have already taken 5067 // care of renaming the package; only do it here if 5068 // it is not already done. 5069 pkg.setPackageName(renamed); 5070 } 5071 5072 } else { 5073 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5074 if ((origPackage = mSettings.peekPackageLPr( 5075 pkg.mOriginalPackages.get(i))) != null) { 5076 // We do have the package already installed under its 5077 // original name... should we use it? 5078 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5079 // New package is not compatible with original. 5080 origPackage = null; 5081 continue; 5082 } else if (origPackage.sharedUser != null) { 5083 // Make sure uid is compatible between packages. 5084 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5085 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5086 + " to " + pkg.packageName + ": old uid " 5087 + origPackage.sharedUser.name 5088 + " differs from " + pkg.mSharedUserId); 5089 origPackage = null; 5090 continue; 5091 } 5092 } else { 5093 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5094 + pkg.packageName + " to old name " + origPackage.name); 5095 } 5096 break; 5097 } 5098 } 5099 } 5100 } 5101 5102 if (mTransferedPackages.contains(pkg.packageName)) { 5103 Slog.w(TAG, "Package " + pkg.packageName 5104 + " was transferred to another, but its .apk remains"); 5105 } 5106 5107 // Just create the setting, don't add it yet. For already existing packages 5108 // the PkgSetting exists already and doesn't have to be created. 5109 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5110 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 5111 pkg.applicationInfo.cpuAbi, 5112 pkg.applicationInfo.flags, user, false); 5113 if (pkgSetting == null) { 5114 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5115 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5116 return null; 5117 } 5118 5119 if (pkgSetting.origPackage != null) { 5120 // If we are first transitioning from an original package, 5121 // fix up the new package's name now. We need to do this after 5122 // looking up the package under its new name, so getPackageLP 5123 // can take care of fiddling things correctly. 5124 pkg.setPackageName(origPackage.name); 5125 5126 // File a report about this. 5127 String msg = "New package " + pkgSetting.realName 5128 + " renamed to replace old package " + pkgSetting.name; 5129 reportSettingsProblem(Log.WARN, msg); 5130 5131 // Make a note of it. 5132 mTransferedPackages.add(origPackage.name); 5133 5134 // No longer need to retain this. 5135 pkgSetting.origPackage = null; 5136 } 5137 5138 if (realName != null) { 5139 // Make a note of it. 5140 mTransferedPackages.add(pkg.packageName); 5141 } 5142 5143 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5144 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5145 } 5146 5147 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5148 // Check all shared libraries and map to their actual file path. 5149 // We only do this here for apps not on a system dir, because those 5150 // are the only ones that can fail an install due to this. We 5151 // will take care of the system apps by updating all of their 5152 // library paths after the scan is done. 5153 if (!updateSharedLibrariesLPw(pkg, null)) { 5154 return null; 5155 } 5156 } 5157 5158 if (mFoundPolicyFile) { 5159 SELinuxMMAC.assignSeinfoValue(pkg); 5160 } 5161 5162 pkg.applicationInfo.uid = pkgSetting.appId; 5163 pkg.mExtras = pkgSetting; 5164 5165 if (!verifySignaturesLP(pkgSetting, pkg)) { 5166 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5167 return null; 5168 } 5169 // The signature has changed, but this package is in the system 5170 // image... let's recover! 5171 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5172 // However... if this package is part of a shared user, but it 5173 // doesn't match the signature of the shared user, let's fail. 5174 // What this means is that you can't change the signatures 5175 // associated with an overall shared user, which doesn't seem all 5176 // that unreasonable. 5177 if (pkgSetting.sharedUser != null) { 5178 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5179 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5180 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5181 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5182 return null; 5183 } 5184 } 5185 // File a report about this. 5186 String msg = "System package " + pkg.packageName 5187 + " signature changed; retaining data."; 5188 reportSettingsProblem(Log.WARN, msg); 5189 } 5190 5191 // Verify that this new package doesn't have any content providers 5192 // that conflict with existing packages. Only do this if the 5193 // package isn't already installed, since we don't want to break 5194 // things that are installed. 5195 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5196 final int N = pkg.providers.size(); 5197 int i; 5198 for (i=0; i<N; i++) { 5199 PackageParser.Provider p = pkg.providers.get(i); 5200 if (p.info.authority != null) { 5201 String names[] = p.info.authority.split(";"); 5202 for (int j = 0; j < names.length; j++) { 5203 if (mProvidersByAuthority.containsKey(names[j])) { 5204 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5205 Slog.w(TAG, "Can't install because provider name " + names[j] + 5206 " (in package " + pkg.applicationInfo.packageName + 5207 ") is already used by " 5208 + ((other != null && other.getComponentName() != null) 5209 ? other.getComponentName().getPackageName() : "?")); 5210 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5211 return null; 5212 } 5213 } 5214 } 5215 } 5216 } 5217 5218 if (pkg.mAdoptPermissions != null) { 5219 // This package wants to adopt ownership of permissions from 5220 // another package. 5221 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5222 final String origName = pkg.mAdoptPermissions.get(i); 5223 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5224 if (orig != null) { 5225 if (verifyPackageUpdateLPr(orig, pkg)) { 5226 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5227 + pkg.packageName); 5228 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5229 } 5230 } 5231 } 5232 } 5233 } 5234 5235 final String pkgName = pkg.packageName; 5236 5237 final long scanFileTime = scanFile.lastModified(); 5238 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5239 pkg.applicationInfo.processName = fixProcessName( 5240 pkg.applicationInfo.packageName, 5241 pkg.applicationInfo.processName, 5242 pkg.applicationInfo.uid); 5243 5244 File dataPath; 5245 if (mPlatformPackage == pkg) { 5246 // The system package is special. 5247 dataPath = new File (Environment.getDataDirectory(), "system"); 5248 pkg.applicationInfo.dataDir = dataPath.getPath(); 5249 } else { 5250 // This is a normal package, need to make its data directory. 5251 dataPath = getDataPathForPackage(pkg.packageName, 0); 5252 5253 boolean uidError = false; 5254 5255 if (dataPath.exists()) { 5256 int currentUid = 0; 5257 try { 5258 StructStat stat = Os.stat(dataPath.getPath()); 5259 currentUid = stat.st_uid; 5260 } catch (ErrnoException e) { 5261 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5262 } 5263 5264 // If we have mismatched owners for the data path, we have a problem. 5265 if (currentUid != pkg.applicationInfo.uid) { 5266 boolean recovered = false; 5267 if (currentUid == 0) { 5268 // The directory somehow became owned by root. Wow. 5269 // This is probably because the system was stopped while 5270 // installd was in the middle of messing with its libs 5271 // directory. Ask installd to fix that. 5272 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5273 pkg.applicationInfo.uid); 5274 if (ret >= 0) { 5275 recovered = true; 5276 String msg = "Package " + pkg.packageName 5277 + " unexpectedly changed to uid 0; recovered to " + 5278 + pkg.applicationInfo.uid; 5279 reportSettingsProblem(Log.WARN, msg); 5280 } 5281 } 5282 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5283 || (scanMode&SCAN_BOOTING) != 0)) { 5284 // If this is a system app, we can at least delete its 5285 // current data so the application will still work. 5286 int ret = removeDataDirsLI(pkgName); 5287 if (ret >= 0) { 5288 // TODO: Kill the processes first 5289 // Old data gone! 5290 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5291 ? "System package " : "Third party package "; 5292 String msg = prefix + pkg.packageName 5293 + " has changed from uid: " 5294 + currentUid + " to " 5295 + pkg.applicationInfo.uid + "; old data erased"; 5296 reportSettingsProblem(Log.WARN, msg); 5297 recovered = true; 5298 5299 // And now re-install the app. 5300 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5301 pkg.applicationInfo.seinfo); 5302 if (ret == -1) { 5303 // Ack should not happen! 5304 msg = prefix + pkg.packageName 5305 + " could not have data directory re-created after delete."; 5306 reportSettingsProblem(Log.WARN, msg); 5307 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5308 return null; 5309 } 5310 } 5311 if (!recovered) { 5312 mHasSystemUidErrors = true; 5313 } 5314 } else if (!recovered) { 5315 // If we allow this install to proceed, we will be broken. 5316 // Abort, abort! 5317 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5318 return null; 5319 } 5320 if (!recovered) { 5321 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5322 + pkg.applicationInfo.uid + "/fs_" 5323 + currentUid; 5324 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5325 String msg = "Package " + pkg.packageName 5326 + " has mismatched uid: " 5327 + currentUid + " on disk, " 5328 + pkg.applicationInfo.uid + " in settings"; 5329 // writer 5330 synchronized (mPackages) { 5331 mSettings.mReadMessages.append(msg); 5332 mSettings.mReadMessages.append('\n'); 5333 uidError = true; 5334 if (!pkgSetting.uidError) { 5335 reportSettingsProblem(Log.ERROR, msg); 5336 } 5337 } 5338 } 5339 } 5340 pkg.applicationInfo.dataDir = dataPath.getPath(); 5341 if (mShouldRestoreconData) { 5342 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5343 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5344 pkg.applicationInfo.uid); 5345 } 5346 } else { 5347 if (DEBUG_PACKAGE_SCANNING) { 5348 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5349 Log.v(TAG, "Want this data dir: " + dataPath); 5350 } 5351 //invoke installer to do the actual installation 5352 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5353 pkg.applicationInfo.seinfo); 5354 if (ret < 0) { 5355 // Error from installer 5356 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5357 return null; 5358 } 5359 5360 if (dataPath.exists()) { 5361 pkg.applicationInfo.dataDir = dataPath.getPath(); 5362 } else { 5363 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5364 pkg.applicationInfo.dataDir = null; 5365 } 5366 } 5367 5368 /* 5369 * Set the data dir to the default "/data/data/<package name>/lib" 5370 * if we got here without anyone telling us different (e.g., apps 5371 * stored on SD card have their native libraries stored in the ASEC 5372 * container with the APK). 5373 * 5374 * This happens during an upgrade from a package settings file that 5375 * doesn't have a native library path attribute at all. 5376 */ 5377 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5378 if (pkgSetting.nativeLibraryPathString == null) { 5379 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5380 } else { 5381 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5382 } 5383 } 5384 pkgSetting.uidError = uidError; 5385 } 5386 5387 String path = scanFile.getPath(); 5388 /* Note: We don't want to unpack the native binaries for 5389 * system applications, unless they have been updated 5390 * (the binaries are already under /system/lib). 5391 * Also, don't unpack libs for apps on the external card 5392 * since they should have their libraries in the ASEC 5393 * container already. 5394 * 5395 * In other words, we're going to unpack the binaries 5396 * only for non-system apps and system app upgrades. 5397 */ 5398 if (pkg.applicationInfo.nativeLibraryDir != null) { 5399 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5400 try { 5401 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5402 final String dataPathString = dataPath.getCanonicalPath(); 5403 5404 final String[] abiList = (abiOverride != null) ? new String[] { abiOverride } : 5405 Build.SUPPORTED_ABIS; 5406 5407 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5408 /* 5409 * Upgrading from a previous version of the OS sometimes 5410 * leaves native libraries in the /data/data/<app>/lib 5411 * directory for system apps even when they shouldn't be. 5412 * Recent changes in the JNI library search path 5413 * necessitates we remove those to match previous behavior. 5414 */ 5415 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5416 Log.i(TAG, "removed obsolete native libraries for system package " 5417 + path); 5418 } 5419 if (abiOverride != null) { 5420 pkg.applicationInfo.cpuAbi = abiOverride; 5421 } else { 5422 setInternalAppAbi(pkg, pkgSetting); 5423 } 5424 } else { 5425 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5426 /* 5427 * Update native library dir if it starts with 5428 * /data/data 5429 */ 5430 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5431 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5432 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5433 } 5434 5435 try { 5436 int copyRet = copyNativeLibrariesForInternalApp(handle, 5437 nativeLibraryDir, abiList); 5438 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5439 Slog.e(TAG, "Unable to copy native libraries"); 5440 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5441 return null; 5442 } 5443 5444 // We've successfully copied native libraries across, so we make a 5445 // note of what ABI we're using 5446 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5447 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5448 } else if (abiOverride != null) { 5449 pkg.applicationInfo.cpuAbi = abiOverride; 5450 } else { 5451 pkg.applicationInfo.cpuAbi = null; 5452 } 5453 } catch (IOException e) { 5454 Slog.e(TAG, "Unable to copy native libraries", e); 5455 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5456 return null; 5457 } 5458 } else { 5459 // We don't have to copy the shared libraries if we're in the ASEC container 5460 // but we still need to scan the file to figure out what ABI the app needs. 5461 // 5462 // TODO: This duplicates work done in the default container service. It's possible 5463 // to clean this up but we'll need to change the interface between this service 5464 // and IMediaContainerService (but doing so will spread this logic out, rather 5465 // than centralizing it). 5466 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5467 if (abi >= 0) { 5468 pkg.applicationInfo.cpuAbi = abiList[abi]; 5469 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5470 // Note that (non upgraded) system apps will not have any native 5471 // libraries bundled in their APK, but we're guaranteed not to be 5472 // such an app at this point. 5473 if (abiOverride != null) { 5474 pkg.applicationInfo.cpuAbi = abiOverride; 5475 } else { 5476 pkg.applicationInfo.cpuAbi = null; 5477 } 5478 } else { 5479 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5480 return null; 5481 } 5482 } 5483 5484 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5485 final int[] userIds = sUserManager.getUserIds(); 5486 synchronized (mInstallLock) { 5487 for (int userId : userIds) { 5488 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5489 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5490 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5491 + ")"); 5492 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5493 return null; 5494 } 5495 } 5496 } 5497 } 5498 5499 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5500 } catch (IOException ioe) { 5501 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5502 } finally { 5503 handle.close(); 5504 } 5505 } 5506 pkg.mScanPath = path; 5507 5508 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5509 // We don't do this here during boot because we can do it all 5510 // at once after scanning all existing packages. 5511 // 5512 // We also do this *before* we perform dexopt on this package, so that 5513 // we can avoid redundant dexopts, and also to make sure we've got the 5514 // code and package path correct. 5515 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5516 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5517 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5518 return null; 5519 } 5520 } 5521 5522 if ((scanMode&SCAN_NO_DEX) == 0) { 5523 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5524 == DEX_OPT_FAILED) { 5525 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5526 removeDataDirsLI(pkg.packageName); 5527 } 5528 5529 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5530 return null; 5531 } 5532 } 5533 5534 if (mFactoryTest && pkg.requestedPermissions.contains( 5535 android.Manifest.permission.FACTORY_TEST)) { 5536 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5537 } 5538 5539 ArrayList<PackageParser.Package> clientLibPkgs = null; 5540 5541 // writer 5542 synchronized (mPackages) { 5543 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5544 // Only system apps can add new shared libraries. 5545 if (pkg.libraryNames != null) { 5546 for (int i=0; i<pkg.libraryNames.size(); i++) { 5547 String name = pkg.libraryNames.get(i); 5548 boolean allowed = false; 5549 if (isUpdatedSystemApp(pkg)) { 5550 // New library entries can only be added through the 5551 // system image. This is important to get rid of a lot 5552 // of nasty edge cases: for example if we allowed a non- 5553 // system update of the app to add a library, then uninstalling 5554 // the update would make the library go away, and assumptions 5555 // we made such as through app install filtering would now 5556 // have allowed apps on the device which aren't compatible 5557 // with it. Better to just have the restriction here, be 5558 // conservative, and create many fewer cases that can negatively 5559 // impact the user experience. 5560 final PackageSetting sysPs = mSettings 5561 .getDisabledSystemPkgLPr(pkg.packageName); 5562 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5563 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5564 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5565 allowed = true; 5566 allowed = true; 5567 break; 5568 } 5569 } 5570 } 5571 } else { 5572 allowed = true; 5573 } 5574 if (allowed) { 5575 if (!mSharedLibraries.containsKey(name)) { 5576 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5577 } else if (!name.equals(pkg.packageName)) { 5578 Slog.w(TAG, "Package " + pkg.packageName + " library " 5579 + name + " already exists; skipping"); 5580 } 5581 } else { 5582 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5583 + name + " that is not declared on system image; skipping"); 5584 } 5585 } 5586 if ((scanMode&SCAN_BOOTING) == 0) { 5587 // If we are not booting, we need to update any applications 5588 // that are clients of our shared library. If we are booting, 5589 // this will all be done once the scan is complete. 5590 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5591 } 5592 } 5593 } 5594 } 5595 5596 // We also need to dexopt any apps that are dependent on this library. Note that 5597 // if these fail, we should abort the install since installing the library will 5598 // result in some apps being broken. 5599 if (clientLibPkgs != null) { 5600 if ((scanMode&SCAN_NO_DEX) == 0) { 5601 for (int i=0; i<clientLibPkgs.size(); i++) { 5602 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5603 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5604 == DEX_OPT_FAILED) { 5605 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5606 removeDataDirsLI(pkg.packageName); 5607 } 5608 5609 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5610 return null; 5611 } 5612 } 5613 } 5614 } 5615 5616 // Request the ActivityManager to kill the process(only for existing packages) 5617 // so that we do not end up in a confused state while the user is still using the older 5618 // version of the application while the new one gets installed. 5619 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5620 // If the package lives in an asec, tell everyone that the container is going 5621 // away so they can clean up any references to its resources (which would prevent 5622 // vold from being able to unmount the asec) 5623 if (isForwardLocked(pkg) || isExternal(pkg)) { 5624 if (DEBUG_INSTALL) { 5625 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5626 } 5627 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5628 final ArrayList<String> pkgList = new ArrayList<String>(1); 5629 pkgList.add(pkg.applicationInfo.packageName); 5630 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5631 } 5632 5633 // Post the request that it be killed now that the going-away broadcast is en route 5634 killApplication(pkg.applicationInfo.packageName, 5635 pkg.applicationInfo.uid, "update pkg"); 5636 } 5637 5638 // Also need to kill any apps that are dependent on the library. 5639 if (clientLibPkgs != null) { 5640 for (int i=0; i<clientLibPkgs.size(); i++) { 5641 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5642 killApplication(clientPkg.applicationInfo.packageName, 5643 clientPkg.applicationInfo.uid, "update lib"); 5644 } 5645 } 5646 5647 // writer 5648 synchronized (mPackages) { 5649 // We don't expect installation to fail beyond this point, 5650 if ((scanMode&SCAN_MONITOR) != 0) { 5651 mAppDirs.put(pkg.mPath, pkg); 5652 } 5653 // Add the new setting to mSettings 5654 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5655 // Add the new setting to mPackages 5656 mPackages.put(pkg.applicationInfo.packageName, pkg); 5657 // Make sure we don't accidentally delete its data. 5658 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5659 while (iter.hasNext()) { 5660 PackageCleanItem item = iter.next(); 5661 if (pkgName.equals(item.packageName)) { 5662 iter.remove(); 5663 } 5664 } 5665 5666 // Take care of first install / last update times. 5667 if (currentTime != 0) { 5668 if (pkgSetting.firstInstallTime == 0) { 5669 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5670 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5671 pkgSetting.lastUpdateTime = currentTime; 5672 } 5673 } else if (pkgSetting.firstInstallTime == 0) { 5674 // We need *something*. Take time time stamp of the file. 5675 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5676 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5677 if (scanFileTime != pkgSetting.timeStamp) { 5678 // A package on the system image has changed; consider this 5679 // to be an update. 5680 pkgSetting.lastUpdateTime = scanFileTime; 5681 } 5682 } 5683 5684 // Add the package's KeySets to the global KeySetManager 5685 KeySetManager ksm = mSettings.mKeySetManager; 5686 try { 5687 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5688 if (pkg.mKeySetMapping != null) { 5689 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5690 if (entry.getValue() != null) { 5691 ksm.addDefinedKeySetToPackage(pkg.packageName, 5692 entry.getValue(), entry.getKey()); 5693 } 5694 } 5695 } 5696 } catch (NullPointerException e) { 5697 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5698 } catch (IllegalArgumentException e) { 5699 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5700 } 5701 5702 int N = pkg.providers.size(); 5703 StringBuilder r = null; 5704 int i; 5705 for (i=0; i<N; i++) { 5706 PackageParser.Provider p = pkg.providers.get(i); 5707 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5708 p.info.processName, pkg.applicationInfo.uid); 5709 mProviders.addProvider(p); 5710 p.syncable = p.info.isSyncable; 5711 if (p.info.authority != null) { 5712 String names[] = p.info.authority.split(";"); 5713 p.info.authority = null; 5714 for (int j = 0; j < names.length; j++) { 5715 if (j == 1 && p.syncable) { 5716 // We only want the first authority for a provider to possibly be 5717 // syncable, so if we already added this provider using a different 5718 // authority clear the syncable flag. We copy the provider before 5719 // changing it because the mProviders object contains a reference 5720 // to a provider that we don't want to change. 5721 // Only do this for the second authority since the resulting provider 5722 // object can be the same for all future authorities for this provider. 5723 p = new PackageParser.Provider(p); 5724 p.syncable = false; 5725 } 5726 if (!mProvidersByAuthority.containsKey(names[j])) { 5727 mProvidersByAuthority.put(names[j], p); 5728 if (p.info.authority == null) { 5729 p.info.authority = names[j]; 5730 } else { 5731 p.info.authority = p.info.authority + ";" + names[j]; 5732 } 5733 if (DEBUG_PACKAGE_SCANNING) { 5734 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5735 Log.d(TAG, "Registered content provider: " + names[j] 5736 + ", className = " + p.info.name + ", isSyncable = " 5737 + p.info.isSyncable); 5738 } 5739 } else { 5740 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5741 Slog.w(TAG, "Skipping provider name " + names[j] + 5742 " (in package " + pkg.applicationInfo.packageName + 5743 "): name already used by " 5744 + ((other != null && other.getComponentName() != null) 5745 ? other.getComponentName().getPackageName() : "?")); 5746 } 5747 } 5748 } 5749 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5750 if (r == null) { 5751 r = new StringBuilder(256); 5752 } else { 5753 r.append(' '); 5754 } 5755 r.append(p.info.name); 5756 } 5757 } 5758 if (r != null) { 5759 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5760 } 5761 5762 N = pkg.services.size(); 5763 r = null; 5764 for (i=0; i<N; i++) { 5765 PackageParser.Service s = pkg.services.get(i); 5766 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5767 s.info.processName, pkg.applicationInfo.uid); 5768 mServices.addService(s); 5769 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5770 if (r == null) { 5771 r = new StringBuilder(256); 5772 } else { 5773 r.append(' '); 5774 } 5775 r.append(s.info.name); 5776 } 5777 } 5778 if (r != null) { 5779 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5780 } 5781 5782 N = pkg.receivers.size(); 5783 r = null; 5784 for (i=0; i<N; i++) { 5785 PackageParser.Activity a = pkg.receivers.get(i); 5786 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5787 a.info.processName, pkg.applicationInfo.uid); 5788 mReceivers.addActivity(a, "receiver"); 5789 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5790 if (r == null) { 5791 r = new StringBuilder(256); 5792 } else { 5793 r.append(' '); 5794 } 5795 r.append(a.info.name); 5796 } 5797 } 5798 if (r != null) { 5799 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5800 } 5801 5802 N = pkg.activities.size(); 5803 r = null; 5804 for (i=0; i<N; i++) { 5805 PackageParser.Activity a = pkg.activities.get(i); 5806 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5807 a.info.processName, pkg.applicationInfo.uid); 5808 mActivities.addActivity(a, "activity"); 5809 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5810 if (r == null) { 5811 r = new StringBuilder(256); 5812 } else { 5813 r.append(' '); 5814 } 5815 r.append(a.info.name); 5816 } 5817 } 5818 if (r != null) { 5819 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5820 } 5821 5822 N = pkg.permissionGroups.size(); 5823 r = null; 5824 for (i=0; i<N; i++) { 5825 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5826 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5827 if (cur == null) { 5828 mPermissionGroups.put(pg.info.name, pg); 5829 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5830 if (r == null) { 5831 r = new StringBuilder(256); 5832 } else { 5833 r.append(' '); 5834 } 5835 r.append(pg.info.name); 5836 } 5837 } else { 5838 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5839 + pg.info.packageName + " ignored: original from " 5840 + cur.info.packageName); 5841 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5842 if (r == null) { 5843 r = new StringBuilder(256); 5844 } else { 5845 r.append(' '); 5846 } 5847 r.append("DUP:"); 5848 r.append(pg.info.name); 5849 } 5850 } 5851 } 5852 if (r != null) { 5853 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5854 } 5855 5856 N = pkg.permissions.size(); 5857 r = null; 5858 for (i=0; i<N; i++) { 5859 PackageParser.Permission p = pkg.permissions.get(i); 5860 HashMap<String, BasePermission> permissionMap = 5861 p.tree ? mSettings.mPermissionTrees 5862 : mSettings.mPermissions; 5863 p.group = mPermissionGroups.get(p.info.group); 5864 if (p.info.group == null || p.group != null) { 5865 BasePermission bp = permissionMap.get(p.info.name); 5866 if (bp == null) { 5867 bp = new BasePermission(p.info.name, p.info.packageName, 5868 BasePermission.TYPE_NORMAL); 5869 permissionMap.put(p.info.name, bp); 5870 } 5871 if (bp.perm == null) { 5872 if (bp.sourcePackage != null 5873 && !bp.sourcePackage.equals(p.info.packageName)) { 5874 // If this is a permission that was formerly defined by a non-system 5875 // app, but is now defined by a system app (following an upgrade), 5876 // discard the previous declaration and consider the system's to be 5877 // canonical. 5878 if (isSystemApp(p.owner)) { 5879 String msg = "New decl " + p.owner + " of permission " 5880 + p.info.name + " is system"; 5881 reportSettingsProblem(Log.WARN, msg); 5882 bp.sourcePackage = null; 5883 } 5884 } 5885 if (bp.sourcePackage == null 5886 || bp.sourcePackage.equals(p.info.packageName)) { 5887 BasePermission tree = findPermissionTreeLP(p.info.name); 5888 if (tree == null 5889 || tree.sourcePackage.equals(p.info.packageName)) { 5890 bp.packageSetting = pkgSetting; 5891 bp.perm = p; 5892 bp.uid = pkg.applicationInfo.uid; 5893 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5894 if (r == null) { 5895 r = new StringBuilder(256); 5896 } else { 5897 r.append(' '); 5898 } 5899 r.append(p.info.name); 5900 } 5901 } else { 5902 Slog.w(TAG, "Permission " + p.info.name + " from package " 5903 + p.info.packageName + " ignored: base tree " 5904 + tree.name + " is from package " 5905 + tree.sourcePackage); 5906 } 5907 } else { 5908 Slog.w(TAG, "Permission " + p.info.name + " from package " 5909 + p.info.packageName + " ignored: original from " 5910 + bp.sourcePackage); 5911 } 5912 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5913 if (r == null) { 5914 r = new StringBuilder(256); 5915 } else { 5916 r.append(' '); 5917 } 5918 r.append("DUP:"); 5919 r.append(p.info.name); 5920 } 5921 if (bp.perm == p) { 5922 bp.protectionLevel = p.info.protectionLevel; 5923 } 5924 } else { 5925 Slog.w(TAG, "Permission " + p.info.name + " from package " 5926 + p.info.packageName + " ignored: no group " 5927 + p.group); 5928 } 5929 } 5930 if (r != null) { 5931 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5932 } 5933 5934 N = pkg.instrumentation.size(); 5935 r = null; 5936 for (i=0; i<N; i++) { 5937 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5938 a.info.packageName = pkg.applicationInfo.packageName; 5939 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5940 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5941 a.info.dataDir = pkg.applicationInfo.dataDir; 5942 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5943 mInstrumentation.put(a.getComponentName(), a); 5944 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5945 if (r == null) { 5946 r = new StringBuilder(256); 5947 } else { 5948 r.append(' '); 5949 } 5950 r.append(a.info.name); 5951 } 5952 } 5953 if (r != null) { 5954 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5955 } 5956 5957 if (pkg.protectedBroadcasts != null) { 5958 N = pkg.protectedBroadcasts.size(); 5959 for (i=0; i<N; i++) { 5960 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5961 } 5962 } 5963 5964 pkgSetting.setTimeStamp(scanFileTime); 5965 5966 // Create idmap files for pairs of (packages, overlay packages). 5967 // Note: "android", ie framework-res.apk, is handled by native layers. 5968 if (pkg.mOverlayTarget != null) { 5969 // This is an overlay package. 5970 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5971 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5972 mOverlays.put(pkg.mOverlayTarget, 5973 new HashMap<String, PackageParser.Package>()); 5974 } 5975 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5976 map.put(pkg.packageName, pkg); 5977 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5978 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5979 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5980 return null; 5981 } 5982 } 5983 } else if (mOverlays.containsKey(pkg.packageName) && 5984 !pkg.packageName.equals("android")) { 5985 // This is a regular package, with one or more known overlay packages. 5986 createIdmapsForPackageLI(pkg); 5987 } 5988 } 5989 5990 return pkg; 5991 } 5992 5993 /** 5994 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 5995 * i.e, so that all packages can be run inside a single process if required. 5996 * 5997 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 5998 * this function will either try and make the ABI for all packages in {@code packagesForUser} 5999 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6000 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6001 * updating a package that belongs to a shared user. 6002 */ 6003 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6004 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6005 String requiredInstructionSet = null; 6006 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 6007 requiredInstructionSet = VMRuntime.getInstructionSet( 6008 scannedPackage.applicationInfo.cpuAbi); 6009 } 6010 6011 PackageSetting requirer = null; 6012 for (PackageSetting ps : packagesForUser) { 6013 // If packagesForUser contains scannedPackage, we skip it. This will happen 6014 // when scannedPackage is an update of an existing package. Without this check, 6015 // we will never be able to change the ABI of any package belonging to a shared 6016 // user, even if it's compatible with other packages. 6017 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 6018 if (ps.cpuAbiString == null) { 6019 continue; 6020 } 6021 6022 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 6023 if (requiredInstructionSet != null) { 6024 if (!instructionSet.equals(requiredInstructionSet)) { 6025 // We have a mismatch between instruction sets (say arm vs arm64). 6026 // bail out. 6027 String errorMessage = "Instruction set mismatch, " 6028 + ((requirer == null) ? "[caller]" : requirer) 6029 + " requires " + requiredInstructionSet + " whereas " + ps 6030 + " requires " + instructionSet; 6031 Slog.e(TAG, errorMessage); 6032 6033 reportSettingsProblem(Log.WARN, errorMessage); 6034 // Give up, don't bother making any other changes to the package settings. 6035 return false; 6036 } 6037 } else { 6038 requiredInstructionSet = instructionSet; 6039 requirer = ps; 6040 } 6041 } 6042 } 6043 6044 if (requiredInstructionSet != null) { 6045 String adjustedAbi; 6046 if (requirer != null) { 6047 // requirer != null implies that either scannedPackage was null or that scannedPackage 6048 // did not require an ABI, in which case we have to adjust scannedPackage to match 6049 // the ABI of the set (which is the same as requirer's ABI) 6050 adjustedAbi = requirer.cpuAbiString; 6051 if (scannedPackage != null) { 6052 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 6053 } 6054 } else { 6055 // requirer == null implies that we're updating all ABIs in the set to 6056 // match scannedPackage. 6057 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 6058 } 6059 6060 for (PackageSetting ps : packagesForUser) { 6061 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6062 if (ps.cpuAbiString != null) { 6063 continue; 6064 } 6065 6066 ps.cpuAbiString = adjustedAbi; 6067 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6068 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 6069 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6070 6071 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6072 ps.cpuAbiString = null; 6073 ps.pkg.applicationInfo.cpuAbi = null; 6074 return false; 6075 } else { 6076 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6077 } 6078 } 6079 } 6080 } 6081 } 6082 6083 return true; 6084 } 6085 6086 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6087 synchronized (mPackages) { 6088 mResolverReplaced = true; 6089 // Set up information for custom user intent resolution activity. 6090 mResolveActivity.applicationInfo = pkg.applicationInfo; 6091 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6092 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6093 mResolveActivity.processName = null; 6094 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6095 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6096 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6097 mResolveActivity.theme = 0; 6098 mResolveActivity.exported = true; 6099 mResolveActivity.enabled = true; 6100 mResolveInfo.activityInfo = mResolveActivity; 6101 mResolveInfo.priority = 0; 6102 mResolveInfo.preferredOrder = 0; 6103 mResolveInfo.match = 0; 6104 mResolveComponentName = mCustomResolverComponentName; 6105 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6106 mResolveComponentName); 6107 } 6108 } 6109 6110 private String calculateApkRoot(final String codePathString) { 6111 final File codePath = new File(codePathString); 6112 final File codeRoot; 6113 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6114 codeRoot = Environment.getRootDirectory(); 6115 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6116 codeRoot = Environment.getOemDirectory(); 6117 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6118 codeRoot = Environment.getVendorDirectory(); 6119 } else { 6120 // Unrecognized code path; take its top real segment as the apk root: 6121 // e.g. /something/app/blah.apk => /something 6122 try { 6123 File f = codePath.getCanonicalFile(); 6124 File parent = f.getParentFile(); // non-null because codePath is a file 6125 File tmp; 6126 while ((tmp = parent.getParentFile()) != null) { 6127 f = parent; 6128 parent = tmp; 6129 } 6130 codeRoot = f; 6131 Slog.w(TAG, "Unrecognized code path " 6132 + codePath + " - using " + codeRoot); 6133 } catch (IOException e) { 6134 // Can't canonicalize the lib path -- shenanigans? 6135 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6136 return Environment.getRootDirectory().getPath(); 6137 } 6138 } 6139 return codeRoot.getPath(); 6140 } 6141 6142 // This is the initial scan-time determination of how to handle a given 6143 // package for purposes of native library location. 6144 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6145 PackageSetting pkgSetting) { 6146 // "bundled" here means system-installed with no overriding update 6147 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6148 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6149 final File libDir; 6150 if (bundledApk) { 6151 // If "/system/lib64/apkname" exists, assume that is the per-package 6152 // native library directory to use; otherwise use "/system/lib/apkname". 6153 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6154 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6155 File packLib64 = new File(lib64, apkName); 6156 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6157 } else { 6158 libDir = mAppLibInstallDir; 6159 } 6160 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6161 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6162 // pkgSetting might be null during rescan following uninstall of updates 6163 // to a bundled app, so accommodate that possibility. The settings in 6164 // that case will be established later from the parsed package. 6165 if (pkgSetting != null) { 6166 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6167 } 6168 } 6169 6170 // Deduces the required ABI of an upgraded system app. 6171 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6172 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6173 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6174 6175 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6176 // or similar. 6177 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6178 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6179 6180 // Assume that the bundled native libraries always correspond to the 6181 // most preferred 32 or 64 bit ABI. 6182 if (lib64.exists()) { 6183 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6184 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6185 } else if (lib.exists()) { 6186 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6187 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6188 } else { 6189 // This is the case where the app has no native code. 6190 pkg.applicationInfo.cpuAbi = null; 6191 pkgSetting.cpuAbiString = null; 6192 } 6193 } 6194 6195 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 6196 final File nativeLibraryDir, String[] abiList) throws IOException { 6197 if (!nativeLibraryDir.isDirectory()) { 6198 nativeLibraryDir.delete(); 6199 6200 if (!nativeLibraryDir.mkdir()) { 6201 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6202 } 6203 6204 try { 6205 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6206 } catch (ErrnoException e) { 6207 throw new IOException("Cannot chmod native library directory " 6208 + nativeLibraryDir.getPath(), e); 6209 } 6210 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6211 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6212 } 6213 6214 /* 6215 * If this is an internal application or our nativeLibraryPath points to 6216 * the app-lib directory, unpack the libraries if necessary. 6217 */ 6218 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6219 if (abi >= 0) { 6220 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6221 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6222 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6223 return copyRet; 6224 } 6225 } 6226 6227 return abi; 6228 } 6229 6230 private void killApplication(String pkgName, int appId, String reason) { 6231 // Request the ActivityManager to kill the process(only for existing packages) 6232 // so that we do not end up in a confused state while the user is still using the older 6233 // version of the application while the new one gets installed. 6234 IActivityManager am = ActivityManagerNative.getDefault(); 6235 if (am != null) { 6236 try { 6237 am.killApplicationWithAppId(pkgName, appId, reason); 6238 } catch (RemoteException e) { 6239 } 6240 } 6241 } 6242 6243 void removePackageLI(PackageSetting ps, boolean chatty) { 6244 if (DEBUG_INSTALL) { 6245 if (chatty) 6246 Log.d(TAG, "Removing package " + ps.name); 6247 } 6248 6249 // writer 6250 synchronized (mPackages) { 6251 mPackages.remove(ps.name); 6252 if (ps.codePathString != null) { 6253 mAppDirs.remove(ps.codePathString); 6254 } 6255 6256 final PackageParser.Package pkg = ps.pkg; 6257 if (pkg != null) { 6258 cleanPackageDataStructuresLILPw(pkg, chatty); 6259 } 6260 } 6261 } 6262 6263 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6264 if (DEBUG_INSTALL) { 6265 if (chatty) 6266 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6267 } 6268 6269 // writer 6270 synchronized (mPackages) { 6271 mPackages.remove(pkg.applicationInfo.packageName); 6272 if (pkg.mPath != null) { 6273 mAppDirs.remove(pkg.mPath); 6274 } 6275 cleanPackageDataStructuresLILPw(pkg, chatty); 6276 } 6277 } 6278 6279 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6280 int N = pkg.providers.size(); 6281 StringBuilder r = null; 6282 int i; 6283 for (i=0; i<N; i++) { 6284 PackageParser.Provider p = pkg.providers.get(i); 6285 mProviders.removeProvider(p); 6286 if (p.info.authority == null) { 6287 6288 /* There was another ContentProvider with this authority when 6289 * this app was installed so this authority is null, 6290 * Ignore it as we don't have to unregister the provider. 6291 */ 6292 continue; 6293 } 6294 String names[] = p.info.authority.split(";"); 6295 for (int j = 0; j < names.length; j++) { 6296 if (mProvidersByAuthority.get(names[j]) == p) { 6297 mProvidersByAuthority.remove(names[j]); 6298 if (DEBUG_REMOVE) { 6299 if (chatty) 6300 Log.d(TAG, "Unregistered content provider: " + names[j] 6301 + ", className = " + p.info.name + ", isSyncable = " 6302 + p.info.isSyncable); 6303 } 6304 } 6305 } 6306 if (DEBUG_REMOVE && chatty) { 6307 if (r == null) { 6308 r = new StringBuilder(256); 6309 } else { 6310 r.append(' '); 6311 } 6312 r.append(p.info.name); 6313 } 6314 } 6315 if (r != null) { 6316 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6317 } 6318 6319 N = pkg.services.size(); 6320 r = null; 6321 for (i=0; i<N; i++) { 6322 PackageParser.Service s = pkg.services.get(i); 6323 mServices.removeService(s); 6324 if (chatty) { 6325 if (r == null) { 6326 r = new StringBuilder(256); 6327 } else { 6328 r.append(' '); 6329 } 6330 r.append(s.info.name); 6331 } 6332 } 6333 if (r != null) { 6334 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6335 } 6336 6337 N = pkg.receivers.size(); 6338 r = null; 6339 for (i=0; i<N; i++) { 6340 PackageParser.Activity a = pkg.receivers.get(i); 6341 mReceivers.removeActivity(a, "receiver"); 6342 if (DEBUG_REMOVE && chatty) { 6343 if (r == null) { 6344 r = new StringBuilder(256); 6345 } else { 6346 r.append(' '); 6347 } 6348 r.append(a.info.name); 6349 } 6350 } 6351 if (r != null) { 6352 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6353 } 6354 6355 N = pkg.activities.size(); 6356 r = null; 6357 for (i=0; i<N; i++) { 6358 PackageParser.Activity a = pkg.activities.get(i); 6359 mActivities.removeActivity(a, "activity"); 6360 if (DEBUG_REMOVE && chatty) { 6361 if (r == null) { 6362 r = new StringBuilder(256); 6363 } else { 6364 r.append(' '); 6365 } 6366 r.append(a.info.name); 6367 } 6368 } 6369 if (r != null) { 6370 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6371 } 6372 6373 N = pkg.permissions.size(); 6374 r = null; 6375 for (i=0; i<N; i++) { 6376 PackageParser.Permission p = pkg.permissions.get(i); 6377 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6378 if (bp == null) { 6379 bp = mSettings.mPermissionTrees.get(p.info.name); 6380 } 6381 if (bp != null && bp.perm == p) { 6382 bp.perm = null; 6383 if (DEBUG_REMOVE && chatty) { 6384 if (r == null) { 6385 r = new StringBuilder(256); 6386 } else { 6387 r.append(' '); 6388 } 6389 r.append(p.info.name); 6390 } 6391 } 6392 } 6393 if (r != null) { 6394 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6395 } 6396 6397 N = pkg.instrumentation.size(); 6398 r = null; 6399 for (i=0; i<N; i++) { 6400 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6401 mInstrumentation.remove(a.getComponentName()); 6402 if (DEBUG_REMOVE && chatty) { 6403 if (r == null) { 6404 r = new StringBuilder(256); 6405 } else { 6406 r.append(' '); 6407 } 6408 r.append(a.info.name); 6409 } 6410 } 6411 if (r != null) { 6412 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6413 } 6414 6415 r = null; 6416 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6417 // Only system apps can hold shared libraries. 6418 if (pkg.libraryNames != null) { 6419 for (i=0; i<pkg.libraryNames.size(); i++) { 6420 String name = pkg.libraryNames.get(i); 6421 SharedLibraryEntry cur = mSharedLibraries.get(name); 6422 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6423 mSharedLibraries.remove(name); 6424 if (DEBUG_REMOVE && chatty) { 6425 if (r == null) { 6426 r = new StringBuilder(256); 6427 } else { 6428 r.append(' '); 6429 } 6430 r.append(name); 6431 } 6432 } 6433 } 6434 } 6435 } 6436 if (r != null) { 6437 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6438 } 6439 } 6440 6441 private static final boolean isPackageFilename(String name) { 6442 return name != null && name.endsWith(".apk"); 6443 } 6444 6445 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6446 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6447 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6448 return true; 6449 } 6450 } 6451 return false; 6452 } 6453 6454 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6455 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6456 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6457 6458 private void updatePermissionsLPw(String changingPkg, 6459 PackageParser.Package pkgInfo, int flags) { 6460 // Make sure there are no dangling permission trees. 6461 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6462 while (it.hasNext()) { 6463 final BasePermission bp = it.next(); 6464 if (bp.packageSetting == null) { 6465 // We may not yet have parsed the package, so just see if 6466 // we still know about its settings. 6467 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6468 } 6469 if (bp.packageSetting == null) { 6470 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6471 + " from package " + bp.sourcePackage); 6472 it.remove(); 6473 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6474 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6475 Slog.i(TAG, "Removing old permission tree: " + bp.name 6476 + " from package " + bp.sourcePackage); 6477 flags |= UPDATE_PERMISSIONS_ALL; 6478 it.remove(); 6479 } 6480 } 6481 } 6482 6483 // Make sure all dynamic permissions have been assigned to a package, 6484 // and make sure there are no dangling permissions. 6485 it = mSettings.mPermissions.values().iterator(); 6486 while (it.hasNext()) { 6487 final BasePermission bp = it.next(); 6488 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6489 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6490 + bp.name + " pkg=" + bp.sourcePackage 6491 + " info=" + bp.pendingInfo); 6492 if (bp.packageSetting == null && bp.pendingInfo != null) { 6493 final BasePermission tree = findPermissionTreeLP(bp.name); 6494 if (tree != null && tree.perm != null) { 6495 bp.packageSetting = tree.packageSetting; 6496 bp.perm = new PackageParser.Permission(tree.perm.owner, 6497 new PermissionInfo(bp.pendingInfo)); 6498 bp.perm.info.packageName = tree.perm.info.packageName; 6499 bp.perm.info.name = bp.name; 6500 bp.uid = tree.uid; 6501 } 6502 } 6503 } 6504 if (bp.packageSetting == null) { 6505 // We may not yet have parsed the package, so just see if 6506 // we still know about its settings. 6507 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6508 } 6509 if (bp.packageSetting == null) { 6510 Slog.w(TAG, "Removing dangling permission: " + bp.name 6511 + " from package " + bp.sourcePackage); 6512 it.remove(); 6513 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6514 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6515 Slog.i(TAG, "Removing old permission: " + bp.name 6516 + " from package " + bp.sourcePackage); 6517 flags |= UPDATE_PERMISSIONS_ALL; 6518 it.remove(); 6519 } 6520 } 6521 } 6522 6523 // Now update the permissions for all packages, in particular 6524 // replace the granted permissions of the system packages. 6525 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6526 for (PackageParser.Package pkg : mPackages.values()) { 6527 if (pkg != pkgInfo) { 6528 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6529 } 6530 } 6531 } 6532 6533 if (pkgInfo != null) { 6534 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6535 } 6536 } 6537 6538 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6539 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6540 if (ps == null) { 6541 return; 6542 } 6543 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6544 HashSet<String> origPermissions = gp.grantedPermissions; 6545 boolean changedPermission = false; 6546 6547 if (replace) { 6548 ps.permissionsFixed = false; 6549 if (gp == ps) { 6550 origPermissions = new HashSet<String>(gp.grantedPermissions); 6551 gp.grantedPermissions.clear(); 6552 gp.gids = mGlobalGids; 6553 } 6554 } 6555 6556 if (gp.gids == null) { 6557 gp.gids = mGlobalGids; 6558 } 6559 6560 final int N = pkg.requestedPermissions.size(); 6561 for (int i=0; i<N; i++) { 6562 final String name = pkg.requestedPermissions.get(i); 6563 final boolean required = pkg.requestedPermissionsRequired.get(i); 6564 final BasePermission bp = mSettings.mPermissions.get(name); 6565 if (DEBUG_INSTALL) { 6566 if (gp != ps) { 6567 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6568 } 6569 } 6570 6571 if (bp == null || bp.packageSetting == null) { 6572 Slog.w(TAG, "Unknown permission " + name 6573 + " in package " + pkg.packageName); 6574 continue; 6575 } 6576 6577 final String perm = bp.name; 6578 boolean allowed; 6579 boolean allowedSig = false; 6580 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6581 if (level == PermissionInfo.PROTECTION_NORMAL 6582 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6583 // We grant a normal or dangerous permission if any of the following 6584 // are true: 6585 // 1) The permission is required 6586 // 2) The permission is optional, but was granted in the past 6587 // 3) The permission is optional, but was requested by an 6588 // app in /system (not /data) 6589 // 6590 // Otherwise, reject the permission. 6591 allowed = (required || origPermissions.contains(perm) 6592 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6593 } else if (bp.packageSetting == null) { 6594 // This permission is invalid; skip it. 6595 allowed = false; 6596 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6597 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6598 if (allowed) { 6599 allowedSig = true; 6600 } 6601 } else { 6602 allowed = false; 6603 } 6604 if (DEBUG_INSTALL) { 6605 if (gp != ps) { 6606 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6607 } 6608 } 6609 if (allowed) { 6610 if (!isSystemApp(ps) && ps.permissionsFixed) { 6611 // If this is an existing, non-system package, then 6612 // we can't add any new permissions to it. 6613 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6614 // Except... if this is a permission that was added 6615 // to the platform (note: need to only do this when 6616 // updating the platform). 6617 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6618 } 6619 } 6620 if (allowed) { 6621 if (!gp.grantedPermissions.contains(perm)) { 6622 changedPermission = true; 6623 gp.grantedPermissions.add(perm); 6624 gp.gids = appendInts(gp.gids, bp.gids); 6625 } else if (!ps.haveGids) { 6626 gp.gids = appendInts(gp.gids, bp.gids); 6627 } 6628 } else { 6629 Slog.w(TAG, "Not granting permission " + perm 6630 + " to package " + pkg.packageName 6631 + " because it was previously installed without"); 6632 } 6633 } else { 6634 if (gp.grantedPermissions.remove(perm)) { 6635 changedPermission = true; 6636 gp.gids = removeInts(gp.gids, bp.gids); 6637 Slog.i(TAG, "Un-granting permission " + perm 6638 + " from package " + pkg.packageName 6639 + " (protectionLevel=" + bp.protectionLevel 6640 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6641 + ")"); 6642 } else { 6643 Slog.w(TAG, "Not granting permission " + perm 6644 + " to package " + pkg.packageName 6645 + " (protectionLevel=" + bp.protectionLevel 6646 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6647 + ")"); 6648 } 6649 } 6650 } 6651 6652 if ((changedPermission || replace) && !ps.permissionsFixed && 6653 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6654 // This is the first that we have heard about this package, so the 6655 // permissions we have now selected are fixed until explicitly 6656 // changed. 6657 ps.permissionsFixed = true; 6658 } 6659 ps.haveGids = true; 6660 } 6661 6662 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6663 boolean allowed = false; 6664 final int NP = PackageParser.NEW_PERMISSIONS.length; 6665 for (int ip=0; ip<NP; ip++) { 6666 final PackageParser.NewPermissionInfo npi 6667 = PackageParser.NEW_PERMISSIONS[ip]; 6668 if (npi.name.equals(perm) 6669 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6670 allowed = true; 6671 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6672 + pkg.packageName); 6673 break; 6674 } 6675 } 6676 return allowed; 6677 } 6678 6679 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6680 BasePermission bp, HashSet<String> origPermissions) { 6681 boolean allowed; 6682 allowed = (compareSignatures( 6683 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6684 == PackageManager.SIGNATURE_MATCH) 6685 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6686 == PackageManager.SIGNATURE_MATCH); 6687 if (!allowed && (bp.protectionLevel 6688 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6689 if (isSystemApp(pkg)) { 6690 // For updated system applications, a system permission 6691 // is granted only if it had been defined by the original application. 6692 if (isUpdatedSystemApp(pkg)) { 6693 final PackageSetting sysPs = mSettings 6694 .getDisabledSystemPkgLPr(pkg.packageName); 6695 final GrantedPermissions origGp = sysPs.sharedUser != null 6696 ? sysPs.sharedUser : sysPs; 6697 6698 if (origGp.grantedPermissions.contains(perm)) { 6699 // If the original was granted this permission, we take 6700 // that grant decision as read and propagate it to the 6701 // update. 6702 allowed = true; 6703 } else { 6704 // The system apk may have been updated with an older 6705 // version of the one on the data partition, but which 6706 // granted a new system permission that it didn't have 6707 // before. In this case we do want to allow the app to 6708 // now get the new permission if the ancestral apk is 6709 // privileged to get it. 6710 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6711 for (int j=0; 6712 j<sysPs.pkg.requestedPermissions.size(); j++) { 6713 if (perm.equals( 6714 sysPs.pkg.requestedPermissions.get(j))) { 6715 allowed = true; 6716 break; 6717 } 6718 } 6719 } 6720 } 6721 } else { 6722 allowed = isPrivilegedApp(pkg); 6723 } 6724 } 6725 } 6726 if (!allowed && (bp.protectionLevel 6727 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6728 // For development permissions, a development permission 6729 // is granted only if it was already granted. 6730 allowed = origPermissions.contains(perm); 6731 } 6732 return allowed; 6733 } 6734 6735 final class ActivityIntentResolver 6736 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6737 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6738 boolean defaultOnly, int userId) { 6739 if (!sUserManager.exists(userId)) return null; 6740 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6741 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6742 } 6743 6744 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6745 int userId) { 6746 if (!sUserManager.exists(userId)) return null; 6747 mFlags = flags; 6748 return super.queryIntent(intent, resolvedType, 6749 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6750 } 6751 6752 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6753 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6754 if (!sUserManager.exists(userId)) return null; 6755 if (packageActivities == null) { 6756 return null; 6757 } 6758 mFlags = flags; 6759 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6760 final int N = packageActivities.size(); 6761 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6762 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6763 6764 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6765 for (int i = 0; i < N; ++i) { 6766 intentFilters = packageActivities.get(i).intents; 6767 if (intentFilters != null && intentFilters.size() > 0) { 6768 PackageParser.ActivityIntentInfo[] array = 6769 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6770 intentFilters.toArray(array); 6771 listCut.add(array); 6772 } 6773 } 6774 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6775 } 6776 6777 public final void addActivity(PackageParser.Activity a, String type) { 6778 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6779 mActivities.put(a.getComponentName(), a); 6780 if (DEBUG_SHOW_INFO) 6781 Log.v( 6782 TAG, " " + type + " " + 6783 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6784 if (DEBUG_SHOW_INFO) 6785 Log.v(TAG, " Class=" + a.info.name); 6786 final int NI = a.intents.size(); 6787 for (int j=0; j<NI; j++) { 6788 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6789 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6790 intent.setPriority(0); 6791 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6792 + a.className + " with priority > 0, forcing to 0"); 6793 } 6794 if (DEBUG_SHOW_INFO) { 6795 Log.v(TAG, " IntentFilter:"); 6796 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6797 } 6798 if (!intent.debugCheck()) { 6799 Log.w(TAG, "==> For Activity " + a.info.name); 6800 } 6801 addFilter(intent); 6802 } 6803 } 6804 6805 public final void removeActivity(PackageParser.Activity a, String type) { 6806 mActivities.remove(a.getComponentName()); 6807 if (DEBUG_SHOW_INFO) { 6808 Log.v(TAG, " " + type + " " 6809 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6810 : a.info.name) + ":"); 6811 Log.v(TAG, " Class=" + a.info.name); 6812 } 6813 final int NI = a.intents.size(); 6814 for (int j=0; j<NI; j++) { 6815 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6816 if (DEBUG_SHOW_INFO) { 6817 Log.v(TAG, " IntentFilter:"); 6818 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6819 } 6820 removeFilter(intent); 6821 } 6822 } 6823 6824 @Override 6825 protected boolean allowFilterResult( 6826 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6827 ActivityInfo filterAi = filter.activity.info; 6828 for (int i=dest.size()-1; i>=0; i--) { 6829 ActivityInfo destAi = dest.get(i).activityInfo; 6830 if (destAi.name == filterAi.name 6831 && destAi.packageName == filterAi.packageName) { 6832 return false; 6833 } 6834 } 6835 return true; 6836 } 6837 6838 @Override 6839 protected ActivityIntentInfo[] newArray(int size) { 6840 return new ActivityIntentInfo[size]; 6841 } 6842 6843 @Override 6844 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6845 if (!sUserManager.exists(userId)) return true; 6846 PackageParser.Package p = filter.activity.owner; 6847 if (p != null) { 6848 PackageSetting ps = (PackageSetting)p.mExtras; 6849 if (ps != null) { 6850 // System apps are never considered stopped for purposes of 6851 // filtering, because there may be no way for the user to 6852 // actually re-launch them. 6853 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6854 && ps.getStopped(userId); 6855 } 6856 } 6857 return false; 6858 } 6859 6860 @Override 6861 protected boolean isPackageForFilter(String packageName, 6862 PackageParser.ActivityIntentInfo info) { 6863 return packageName.equals(info.activity.owner.packageName); 6864 } 6865 6866 @Override 6867 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6868 int match, int userId) { 6869 if (!sUserManager.exists(userId)) return null; 6870 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6871 return null; 6872 } 6873 final PackageParser.Activity activity = info.activity; 6874 if (mSafeMode && (activity.info.applicationInfo.flags 6875 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6876 return null; 6877 } 6878 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6879 if (ps == null) { 6880 return null; 6881 } 6882 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6883 ps.readUserState(userId), userId); 6884 if (ai == null) { 6885 return null; 6886 } 6887 final ResolveInfo res = new ResolveInfo(); 6888 res.activityInfo = ai; 6889 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6890 res.filter = info; 6891 } 6892 res.priority = info.getPriority(); 6893 res.preferredOrder = activity.owner.mPreferredOrder; 6894 //System.out.println("Result: " + res.activityInfo.className + 6895 // " = " + res.priority); 6896 res.match = match; 6897 res.isDefault = info.hasDefault; 6898 res.labelRes = info.labelRes; 6899 res.nonLocalizedLabel = info.nonLocalizedLabel; 6900 res.icon = info.icon; 6901 res.system = isSystemApp(res.activityInfo.applicationInfo); 6902 return res; 6903 } 6904 6905 @Override 6906 protected void sortResults(List<ResolveInfo> results) { 6907 Collections.sort(results, mResolvePrioritySorter); 6908 } 6909 6910 @Override 6911 protected void dumpFilter(PrintWriter out, String prefix, 6912 PackageParser.ActivityIntentInfo filter) { 6913 out.print(prefix); out.print( 6914 Integer.toHexString(System.identityHashCode(filter.activity))); 6915 out.print(' '); 6916 filter.activity.printComponentShortName(out); 6917 out.print(" filter "); 6918 out.println(Integer.toHexString(System.identityHashCode(filter))); 6919 } 6920 6921// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6922// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6923// final List<ResolveInfo> retList = Lists.newArrayList(); 6924// while (i.hasNext()) { 6925// final ResolveInfo resolveInfo = i.next(); 6926// if (isEnabledLP(resolveInfo.activityInfo)) { 6927// retList.add(resolveInfo); 6928// } 6929// } 6930// return retList; 6931// } 6932 6933 // Keys are String (activity class name), values are Activity. 6934 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6935 = new HashMap<ComponentName, PackageParser.Activity>(); 6936 private int mFlags; 6937 } 6938 6939 private final class ServiceIntentResolver 6940 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6941 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6942 boolean defaultOnly, int userId) { 6943 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6944 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6945 } 6946 6947 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6948 int userId) { 6949 if (!sUserManager.exists(userId)) return null; 6950 mFlags = flags; 6951 return super.queryIntent(intent, resolvedType, 6952 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6953 } 6954 6955 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6956 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6957 if (!sUserManager.exists(userId)) return null; 6958 if (packageServices == null) { 6959 return null; 6960 } 6961 mFlags = flags; 6962 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6963 final int N = packageServices.size(); 6964 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6965 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6966 6967 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6968 for (int i = 0; i < N; ++i) { 6969 intentFilters = packageServices.get(i).intents; 6970 if (intentFilters != null && intentFilters.size() > 0) { 6971 PackageParser.ServiceIntentInfo[] array = 6972 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6973 intentFilters.toArray(array); 6974 listCut.add(array); 6975 } 6976 } 6977 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6978 } 6979 6980 public final void addService(PackageParser.Service s) { 6981 mServices.put(s.getComponentName(), s); 6982 if (DEBUG_SHOW_INFO) { 6983 Log.v(TAG, " " 6984 + (s.info.nonLocalizedLabel != null 6985 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6986 Log.v(TAG, " Class=" + s.info.name); 6987 } 6988 final int NI = s.intents.size(); 6989 int j; 6990 for (j=0; j<NI; j++) { 6991 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6992 if (DEBUG_SHOW_INFO) { 6993 Log.v(TAG, " IntentFilter:"); 6994 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6995 } 6996 if (!intent.debugCheck()) { 6997 Log.w(TAG, "==> For Service " + s.info.name); 6998 } 6999 addFilter(intent); 7000 } 7001 } 7002 7003 public final void removeService(PackageParser.Service s) { 7004 mServices.remove(s.getComponentName()); 7005 if (DEBUG_SHOW_INFO) { 7006 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7007 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7008 Log.v(TAG, " Class=" + s.info.name); 7009 } 7010 final int NI = s.intents.size(); 7011 int j; 7012 for (j=0; j<NI; j++) { 7013 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7014 if (DEBUG_SHOW_INFO) { 7015 Log.v(TAG, " IntentFilter:"); 7016 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7017 } 7018 removeFilter(intent); 7019 } 7020 } 7021 7022 @Override 7023 protected boolean allowFilterResult( 7024 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7025 ServiceInfo filterSi = filter.service.info; 7026 for (int i=dest.size()-1; i>=0; i--) { 7027 ServiceInfo destAi = dest.get(i).serviceInfo; 7028 if (destAi.name == filterSi.name 7029 && destAi.packageName == filterSi.packageName) { 7030 return false; 7031 } 7032 } 7033 return true; 7034 } 7035 7036 @Override 7037 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7038 return new PackageParser.ServiceIntentInfo[size]; 7039 } 7040 7041 @Override 7042 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7043 if (!sUserManager.exists(userId)) return true; 7044 PackageParser.Package p = filter.service.owner; 7045 if (p != null) { 7046 PackageSetting ps = (PackageSetting)p.mExtras; 7047 if (ps != null) { 7048 // System apps are never considered stopped for purposes of 7049 // filtering, because there may be no way for the user to 7050 // actually re-launch them. 7051 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7052 && ps.getStopped(userId); 7053 } 7054 } 7055 return false; 7056 } 7057 7058 @Override 7059 protected boolean isPackageForFilter(String packageName, 7060 PackageParser.ServiceIntentInfo info) { 7061 return packageName.equals(info.service.owner.packageName); 7062 } 7063 7064 @Override 7065 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7066 int match, int userId) { 7067 if (!sUserManager.exists(userId)) return null; 7068 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7069 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7070 return null; 7071 } 7072 final PackageParser.Service service = info.service; 7073 if (mSafeMode && (service.info.applicationInfo.flags 7074 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7075 return null; 7076 } 7077 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7078 if (ps == null) { 7079 return null; 7080 } 7081 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7082 ps.readUserState(userId), userId); 7083 if (si == null) { 7084 return null; 7085 } 7086 final ResolveInfo res = new ResolveInfo(); 7087 res.serviceInfo = si; 7088 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7089 res.filter = filter; 7090 } 7091 res.priority = info.getPriority(); 7092 res.preferredOrder = service.owner.mPreferredOrder; 7093 //System.out.println("Result: " + res.activityInfo.className + 7094 // " = " + res.priority); 7095 res.match = match; 7096 res.isDefault = info.hasDefault; 7097 res.labelRes = info.labelRes; 7098 res.nonLocalizedLabel = info.nonLocalizedLabel; 7099 res.icon = info.icon; 7100 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7101 return res; 7102 } 7103 7104 @Override 7105 protected void sortResults(List<ResolveInfo> results) { 7106 Collections.sort(results, mResolvePrioritySorter); 7107 } 7108 7109 @Override 7110 protected void dumpFilter(PrintWriter out, String prefix, 7111 PackageParser.ServiceIntentInfo filter) { 7112 out.print(prefix); out.print( 7113 Integer.toHexString(System.identityHashCode(filter.service))); 7114 out.print(' '); 7115 filter.service.printComponentShortName(out); 7116 out.print(" filter "); 7117 out.println(Integer.toHexString(System.identityHashCode(filter))); 7118 } 7119 7120// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7121// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7122// final List<ResolveInfo> retList = Lists.newArrayList(); 7123// while (i.hasNext()) { 7124// final ResolveInfo resolveInfo = (ResolveInfo) i; 7125// if (isEnabledLP(resolveInfo.serviceInfo)) { 7126// retList.add(resolveInfo); 7127// } 7128// } 7129// return retList; 7130// } 7131 7132 // Keys are String (activity class name), values are Activity. 7133 private final HashMap<ComponentName, PackageParser.Service> mServices 7134 = new HashMap<ComponentName, PackageParser.Service>(); 7135 private int mFlags; 7136 }; 7137 7138 private final class ProviderIntentResolver 7139 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7140 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7141 boolean defaultOnly, int userId) { 7142 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7143 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7144 } 7145 7146 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7147 int userId) { 7148 if (!sUserManager.exists(userId)) 7149 return null; 7150 mFlags = flags; 7151 return super.queryIntent(intent, resolvedType, 7152 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7153 } 7154 7155 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7156 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7157 if (!sUserManager.exists(userId)) 7158 return null; 7159 if (packageProviders == null) { 7160 return null; 7161 } 7162 mFlags = flags; 7163 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7164 final int N = packageProviders.size(); 7165 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7166 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7167 7168 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7169 for (int i = 0; i < N; ++i) { 7170 intentFilters = packageProviders.get(i).intents; 7171 if (intentFilters != null && intentFilters.size() > 0) { 7172 PackageParser.ProviderIntentInfo[] array = 7173 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7174 intentFilters.toArray(array); 7175 listCut.add(array); 7176 } 7177 } 7178 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7179 } 7180 7181 public final void addProvider(PackageParser.Provider p) { 7182 if (mProviders.containsKey(p.getComponentName())) { 7183 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7184 return; 7185 } 7186 7187 mProviders.put(p.getComponentName(), p); 7188 if (DEBUG_SHOW_INFO) { 7189 Log.v(TAG, " " 7190 + (p.info.nonLocalizedLabel != null 7191 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7192 Log.v(TAG, " Class=" + p.info.name); 7193 } 7194 final int NI = p.intents.size(); 7195 int j; 7196 for (j = 0; j < NI; j++) { 7197 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7198 if (DEBUG_SHOW_INFO) { 7199 Log.v(TAG, " IntentFilter:"); 7200 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7201 } 7202 if (!intent.debugCheck()) { 7203 Log.w(TAG, "==> For Provider " + p.info.name); 7204 } 7205 addFilter(intent); 7206 } 7207 } 7208 7209 public final void removeProvider(PackageParser.Provider p) { 7210 mProviders.remove(p.getComponentName()); 7211 if (DEBUG_SHOW_INFO) { 7212 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7213 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7214 Log.v(TAG, " Class=" + p.info.name); 7215 } 7216 final int NI = p.intents.size(); 7217 int j; 7218 for (j = 0; j < NI; j++) { 7219 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7220 if (DEBUG_SHOW_INFO) { 7221 Log.v(TAG, " IntentFilter:"); 7222 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7223 } 7224 removeFilter(intent); 7225 } 7226 } 7227 7228 @Override 7229 protected boolean allowFilterResult( 7230 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7231 ProviderInfo filterPi = filter.provider.info; 7232 for (int i = dest.size() - 1; i >= 0; i--) { 7233 ProviderInfo destPi = dest.get(i).providerInfo; 7234 if (destPi.name == filterPi.name 7235 && destPi.packageName == filterPi.packageName) { 7236 return false; 7237 } 7238 } 7239 return true; 7240 } 7241 7242 @Override 7243 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7244 return new PackageParser.ProviderIntentInfo[size]; 7245 } 7246 7247 @Override 7248 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7249 if (!sUserManager.exists(userId)) 7250 return true; 7251 PackageParser.Package p = filter.provider.owner; 7252 if (p != null) { 7253 PackageSetting ps = (PackageSetting) p.mExtras; 7254 if (ps != null) { 7255 // System apps are never considered stopped for purposes of 7256 // filtering, because there may be no way for the user to 7257 // actually re-launch them. 7258 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7259 && ps.getStopped(userId); 7260 } 7261 } 7262 return false; 7263 } 7264 7265 @Override 7266 protected boolean isPackageForFilter(String packageName, 7267 PackageParser.ProviderIntentInfo info) { 7268 return packageName.equals(info.provider.owner.packageName); 7269 } 7270 7271 @Override 7272 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7273 int match, int userId) { 7274 if (!sUserManager.exists(userId)) 7275 return null; 7276 final PackageParser.ProviderIntentInfo info = filter; 7277 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7278 return null; 7279 } 7280 final PackageParser.Provider provider = info.provider; 7281 if (mSafeMode && (provider.info.applicationInfo.flags 7282 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7283 return null; 7284 } 7285 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7286 if (ps == null) { 7287 return null; 7288 } 7289 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7290 ps.readUserState(userId), userId); 7291 if (pi == null) { 7292 return null; 7293 } 7294 final ResolveInfo res = new ResolveInfo(); 7295 res.providerInfo = pi; 7296 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7297 res.filter = filter; 7298 } 7299 res.priority = info.getPriority(); 7300 res.preferredOrder = provider.owner.mPreferredOrder; 7301 res.match = match; 7302 res.isDefault = info.hasDefault; 7303 res.labelRes = info.labelRes; 7304 res.nonLocalizedLabel = info.nonLocalizedLabel; 7305 res.icon = info.icon; 7306 res.system = isSystemApp(res.providerInfo.applicationInfo); 7307 return res; 7308 } 7309 7310 @Override 7311 protected void sortResults(List<ResolveInfo> results) { 7312 Collections.sort(results, mResolvePrioritySorter); 7313 } 7314 7315 @Override 7316 protected void dumpFilter(PrintWriter out, String prefix, 7317 PackageParser.ProviderIntentInfo filter) { 7318 out.print(prefix); 7319 out.print( 7320 Integer.toHexString(System.identityHashCode(filter.provider))); 7321 out.print(' '); 7322 filter.provider.printComponentShortName(out); 7323 out.print(" filter "); 7324 out.println(Integer.toHexString(System.identityHashCode(filter))); 7325 } 7326 7327 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7328 = new HashMap<ComponentName, PackageParser.Provider>(); 7329 private int mFlags; 7330 }; 7331 7332 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7333 new Comparator<ResolveInfo>() { 7334 public int compare(ResolveInfo r1, ResolveInfo r2) { 7335 int v1 = r1.priority; 7336 int v2 = r2.priority; 7337 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7338 if (v1 != v2) { 7339 return (v1 > v2) ? -1 : 1; 7340 } 7341 v1 = r1.preferredOrder; 7342 v2 = r2.preferredOrder; 7343 if (v1 != v2) { 7344 return (v1 > v2) ? -1 : 1; 7345 } 7346 if (r1.isDefault != r2.isDefault) { 7347 return r1.isDefault ? -1 : 1; 7348 } 7349 v1 = r1.match; 7350 v2 = r2.match; 7351 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7352 if (v1 != v2) { 7353 return (v1 > v2) ? -1 : 1; 7354 } 7355 if (r1.system != r2.system) { 7356 return r1.system ? -1 : 1; 7357 } 7358 return 0; 7359 } 7360 }; 7361 7362 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7363 new Comparator<ProviderInfo>() { 7364 public int compare(ProviderInfo p1, ProviderInfo p2) { 7365 final int v1 = p1.initOrder; 7366 final int v2 = p2.initOrder; 7367 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7368 } 7369 }; 7370 7371 static final void sendPackageBroadcast(String action, String pkg, 7372 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7373 int[] userIds) { 7374 IActivityManager am = ActivityManagerNative.getDefault(); 7375 if (am != null) { 7376 try { 7377 if (userIds == null) { 7378 userIds = am.getRunningUserIds(); 7379 } 7380 for (int id : userIds) { 7381 final Intent intent = new Intent(action, 7382 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7383 if (extras != null) { 7384 intent.putExtras(extras); 7385 } 7386 if (targetPkg != null) { 7387 intent.setPackage(targetPkg); 7388 } 7389 // Modify the UID when posting to other users 7390 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7391 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7392 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7393 intent.putExtra(Intent.EXTRA_UID, uid); 7394 } 7395 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7396 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7397 if (DEBUG_BROADCASTS) { 7398 RuntimeException here = new RuntimeException("here"); 7399 here.fillInStackTrace(); 7400 Slog.d(TAG, "Sending to user " + id + ": " 7401 + intent.toShortString(false, true, false, false) 7402 + " " + intent.getExtras(), here); 7403 } 7404 am.broadcastIntent(null, intent, null, finishedReceiver, 7405 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7406 finishedReceiver != null, false, id); 7407 } 7408 } catch (RemoteException ex) { 7409 } 7410 } 7411 } 7412 7413 /** 7414 * Check if the external storage media is available. This is true if there 7415 * is a mounted external storage medium or if the external storage is 7416 * emulated. 7417 */ 7418 private boolean isExternalMediaAvailable() { 7419 return mMediaMounted || Environment.isExternalStorageEmulated(); 7420 } 7421 7422 @Override 7423 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7424 // writer 7425 synchronized (mPackages) { 7426 if (!isExternalMediaAvailable()) { 7427 // If the external storage is no longer mounted at this point, 7428 // the caller may not have been able to delete all of this 7429 // packages files and can not delete any more. Bail. 7430 return null; 7431 } 7432 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7433 if (lastPackage != null) { 7434 pkgs.remove(lastPackage); 7435 } 7436 if (pkgs.size() > 0) { 7437 return pkgs.get(0); 7438 } 7439 } 7440 return null; 7441 } 7442 7443 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7444 if (false) { 7445 RuntimeException here = new RuntimeException("here"); 7446 here.fillInStackTrace(); 7447 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7448 + " andCode=" + andCode, here); 7449 } 7450 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7451 userId, andCode ? 1 : 0, packageName)); 7452 } 7453 7454 void startCleaningPackages() { 7455 // reader 7456 synchronized (mPackages) { 7457 if (!isExternalMediaAvailable()) { 7458 return; 7459 } 7460 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7461 return; 7462 } 7463 } 7464 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7465 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7466 IActivityManager am = ActivityManagerNative.getDefault(); 7467 if (am != null) { 7468 try { 7469 am.startService(null, intent, null, UserHandle.USER_OWNER); 7470 } catch (RemoteException e) { 7471 } 7472 } 7473 } 7474 7475 private final class AppDirObserver extends FileObserver { 7476 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7477 super(path, mask); 7478 mRootDir = path; 7479 mIsRom = isrom; 7480 mIsPrivileged = isPrivileged; 7481 } 7482 7483 public void onEvent(int event, String path) { 7484 String removedPackage = null; 7485 int removedAppId = -1; 7486 int[] removedUsers = null; 7487 String addedPackage = null; 7488 int addedAppId = -1; 7489 int[] addedUsers = null; 7490 7491 // TODO post a message to the handler to obtain serial ordering 7492 synchronized (mInstallLock) { 7493 String fullPathStr = null; 7494 File fullPath = null; 7495 if (path != null) { 7496 fullPath = new File(mRootDir, path); 7497 fullPathStr = fullPath.getPath(); 7498 } 7499 7500 if (DEBUG_APP_DIR_OBSERVER) 7501 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7502 7503 if (!isPackageFilename(path)) { 7504 if (DEBUG_APP_DIR_OBSERVER) 7505 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7506 return; 7507 } 7508 7509 // Ignore packages that are being installed or 7510 // have just been installed. 7511 if (ignoreCodePath(fullPathStr)) { 7512 return; 7513 } 7514 PackageParser.Package p = null; 7515 PackageSetting ps = null; 7516 // reader 7517 synchronized (mPackages) { 7518 p = mAppDirs.get(fullPathStr); 7519 if (p != null) { 7520 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7521 if (ps != null) { 7522 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7523 } else { 7524 removedUsers = sUserManager.getUserIds(); 7525 } 7526 } 7527 addedUsers = sUserManager.getUserIds(); 7528 } 7529 if ((event&REMOVE_EVENTS) != 0) { 7530 if (ps != null) { 7531 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7532 removePackageLI(ps, true); 7533 removedPackage = ps.name; 7534 removedAppId = ps.appId; 7535 } 7536 } 7537 7538 if ((event&ADD_EVENTS) != 0) { 7539 if (p == null) { 7540 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7541 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7542 if (mIsRom) { 7543 flags |= PackageParser.PARSE_IS_SYSTEM 7544 | PackageParser.PARSE_IS_SYSTEM_DIR; 7545 if (mIsPrivileged) { 7546 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7547 } 7548 } 7549 p = scanPackageLI(fullPath, flags, 7550 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7551 System.currentTimeMillis(), UserHandle.ALL, null); 7552 if (p != null) { 7553 /* 7554 * TODO this seems dangerous as the package may have 7555 * changed since we last acquired the mPackages 7556 * lock. 7557 */ 7558 // writer 7559 synchronized (mPackages) { 7560 updatePermissionsLPw(p.packageName, p, 7561 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7562 } 7563 addedPackage = p.applicationInfo.packageName; 7564 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7565 } 7566 } 7567 } 7568 7569 // reader 7570 synchronized (mPackages) { 7571 mSettings.writeLPr(); 7572 } 7573 } 7574 7575 if (removedPackage != null) { 7576 Bundle extras = new Bundle(1); 7577 extras.putInt(Intent.EXTRA_UID, removedAppId); 7578 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7579 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7580 extras, null, null, removedUsers); 7581 } 7582 if (addedPackage != null) { 7583 Bundle extras = new Bundle(1); 7584 extras.putInt(Intent.EXTRA_UID, addedAppId); 7585 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7586 extras, null, null, addedUsers); 7587 } 7588 } 7589 7590 private final String mRootDir; 7591 private final boolean mIsRom; 7592 private final boolean mIsPrivileged; 7593 } 7594 7595 /* 7596 * The old-style observer methods all just trampoline to the newer signature with 7597 * expanded install observer API. The older API continues to work but does not 7598 * supply the additional details of the Observer2 API. 7599 */ 7600 7601 /* Called when a downloaded package installation has been confirmed by the user */ 7602 public void installPackage( 7603 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7604 installPackageEtc(packageURI, observer, null, flags, null); 7605 } 7606 7607 /* Called when a downloaded package installation has been confirmed by the user */ 7608 @Override 7609 public void installPackage( 7610 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7611 final String installerPackageName) { 7612 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7613 installerPackageName, null, null, null); 7614 } 7615 7616 @Override 7617 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7618 int flags, String installerPackageName, Uri verificationURI, 7619 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7620 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7621 VerificationParams.NO_UID, manifestDigest); 7622 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7623 installerPackageName, verificationParams, encryptionParams); 7624 } 7625 7626 @Override 7627 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7628 IPackageInstallObserver observer, int flags, String installerPackageName, 7629 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7630 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7631 installerPackageName, verificationParams, encryptionParams); 7632 } 7633 7634 /* 7635 * And here are the "live" versions that take both observer arguments 7636 */ 7637 public void installPackageEtc( 7638 final Uri packageURI, final IPackageInstallObserver observer, 7639 IPackageInstallObserver2 observer2, final int flags) { 7640 installPackageEtc(packageURI, observer, observer2, flags, null); 7641 } 7642 7643 public void installPackageEtc( 7644 final Uri packageURI, final IPackageInstallObserver observer, 7645 final IPackageInstallObserver2 observer2, final int flags, 7646 final String installerPackageName) { 7647 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7648 installerPackageName, null, null, null); 7649 } 7650 7651 @Override 7652 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7653 IPackageInstallObserver2 observer2, 7654 int flags, String installerPackageName, Uri verificationURI, 7655 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7656 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7657 VerificationParams.NO_UID, manifestDigest); 7658 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7659 installerPackageName, verificationParams, encryptionParams); 7660 } 7661 7662 /* 7663 * All of the installPackage...*() methods redirect to this one for the master implementation 7664 */ 7665 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7666 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7667 int flags, String installerPackageName, 7668 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7669 if (observer == null && observer2 == null) { 7670 throw new IllegalArgumentException("No install observer supplied"); 7671 } 7672 installPackageWithVerificationEncryptionAndAbiOverrideEtc(packageURI, observer, observer2, 7673 flags, installerPackageName, verificationParams, encryptionParams, null); 7674 } 7675 7676 @Override 7677 public void installPackageWithVerificationEncryptionAndAbiOverrideEtc(Uri packageURI, 7678 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7679 int flags, String installerPackageName, 7680 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7681 String packageAbiOverride) { 7682 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7683 null); 7684 7685 final int uid = Binder.getCallingUid(); 7686 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7687 try { 7688 if (observer != null) { 7689 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7690 } 7691 if (observer2 != null) { 7692 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7693 } 7694 } catch (RemoteException re) { 7695 } 7696 return; 7697 } 7698 7699 UserHandle user; 7700 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7701 user = UserHandle.ALL; 7702 } else { 7703 user = new UserHandle(UserHandle.getUserId(uid)); 7704 } 7705 7706 final int filteredFlags; 7707 7708 if (uid == Process.SHELL_UID || uid == 0) { 7709 if (DEBUG_INSTALL) { 7710 Slog.v(TAG, "Install from ADB"); 7711 } 7712 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7713 } else { 7714 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7715 } 7716 7717 verificationParams.setInstallerUid(uid); 7718 7719 final Message msg = mHandler.obtainMessage(INIT_COPY); 7720 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7721 installerPackageName, verificationParams, encryptionParams, user, 7722 packageAbiOverride); 7723 mHandler.sendMessage(msg); 7724 } 7725 7726 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7727 Bundle extras = new Bundle(1); 7728 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7729 7730 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7731 packageName, extras, null, null, new int[] {userId}); 7732 try { 7733 IActivityManager am = ActivityManagerNative.getDefault(); 7734 final boolean isSystem = 7735 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7736 if (isSystem && am.isUserRunning(userId, false)) { 7737 // The just-installed/enabled app is bundled on the system, so presumed 7738 // to be able to run automatically without needing an explicit launch. 7739 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7740 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7741 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7742 .setPackage(packageName); 7743 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7744 android.app.AppOpsManager.OP_NONE, false, false, userId); 7745 } 7746 } catch (RemoteException e) { 7747 // shouldn't happen 7748 Slog.w(TAG, "Unable to bootstrap installed package", e); 7749 } 7750 } 7751 7752 @Override 7753 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7754 int userId) { 7755 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7756 PackageSetting pkgSetting; 7757 final int uid = Binder.getCallingUid(); 7758 if (UserHandle.getUserId(uid) != userId) { 7759 mContext.enforceCallingOrSelfPermission( 7760 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7761 "setApplicationBlockedSetting for user " + userId); 7762 } 7763 7764 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7765 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7766 return false; 7767 } 7768 7769 long callingId = Binder.clearCallingIdentity(); 7770 try { 7771 boolean sendAdded = false; 7772 boolean sendRemoved = false; 7773 // writer 7774 synchronized (mPackages) { 7775 pkgSetting = mSettings.mPackages.get(packageName); 7776 if (pkgSetting == null) { 7777 return false; 7778 } 7779 if (pkgSetting.getBlocked(userId) != blocked) { 7780 pkgSetting.setBlocked(blocked, userId); 7781 mSettings.writePackageRestrictionsLPr(userId); 7782 if (blocked) { 7783 sendRemoved = true; 7784 } else { 7785 sendAdded = true; 7786 } 7787 } 7788 } 7789 if (sendAdded) { 7790 sendPackageAddedForUser(packageName, pkgSetting, userId); 7791 return true; 7792 } 7793 if (sendRemoved) { 7794 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7795 "blocking pkg"); 7796 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7797 } 7798 } finally { 7799 Binder.restoreCallingIdentity(callingId); 7800 } 7801 return false; 7802 } 7803 7804 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7805 int userId) { 7806 final PackageRemovedInfo info = new PackageRemovedInfo(); 7807 info.removedPackage = packageName; 7808 info.removedUsers = new int[] {userId}; 7809 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7810 info.sendBroadcast(false, false, false); 7811 } 7812 7813 /** 7814 * Returns true if application is not found or there was an error. Otherwise it returns 7815 * the blocked state of the package for the given user. 7816 */ 7817 @Override 7818 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7819 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7820 PackageSetting pkgSetting; 7821 final int uid = Binder.getCallingUid(); 7822 if (UserHandle.getUserId(uid) != userId) { 7823 mContext.enforceCallingPermission( 7824 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7825 "getApplicationBlocked for user " + userId); 7826 } 7827 long callingId = Binder.clearCallingIdentity(); 7828 try { 7829 // writer 7830 synchronized (mPackages) { 7831 pkgSetting = mSettings.mPackages.get(packageName); 7832 if (pkgSetting == null) { 7833 return true; 7834 } 7835 return pkgSetting.getBlocked(userId); 7836 } 7837 } finally { 7838 Binder.restoreCallingIdentity(callingId); 7839 } 7840 } 7841 7842 void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer, 7843 int flags) { 7844 // TODO: install stage! 7845 try { 7846 observer.packageInstalled(basePackageName, null, 7847 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7848 } catch (RemoteException ignored) { 7849 } 7850 } 7851 7852 /** 7853 * @hide 7854 */ 7855 @Override 7856 public int installExistingPackageAsUser(String packageName, int userId) { 7857 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7858 null); 7859 PackageSetting pkgSetting; 7860 final int uid = Binder.getCallingUid(); 7861 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7862 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7863 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7864 } 7865 7866 long callingId = Binder.clearCallingIdentity(); 7867 try { 7868 boolean sendAdded = false; 7869 Bundle extras = new Bundle(1); 7870 7871 // writer 7872 synchronized (mPackages) { 7873 pkgSetting = mSettings.mPackages.get(packageName); 7874 if (pkgSetting == null) { 7875 return PackageManager.INSTALL_FAILED_INVALID_URI; 7876 } 7877 if (!pkgSetting.getInstalled(userId)) { 7878 pkgSetting.setInstalled(true, userId); 7879 pkgSetting.setBlocked(false, userId); 7880 mSettings.writePackageRestrictionsLPr(userId); 7881 sendAdded = true; 7882 } 7883 } 7884 7885 if (sendAdded) { 7886 sendPackageAddedForUser(packageName, pkgSetting, userId); 7887 } 7888 } finally { 7889 Binder.restoreCallingIdentity(callingId); 7890 } 7891 7892 return PackageManager.INSTALL_SUCCEEDED; 7893 } 7894 7895 boolean isUserRestricted(int userId, String restrictionKey) { 7896 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7897 if (restrictions.getBoolean(restrictionKey, false)) { 7898 Log.w(TAG, "User is restricted: " + restrictionKey); 7899 return true; 7900 } 7901 return false; 7902 } 7903 7904 @Override 7905 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7906 mContext.enforceCallingOrSelfPermission( 7907 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7908 "Only package verification agents can verify applications"); 7909 7910 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7911 final PackageVerificationResponse response = new PackageVerificationResponse( 7912 verificationCode, Binder.getCallingUid()); 7913 msg.arg1 = id; 7914 msg.obj = response; 7915 mHandler.sendMessage(msg); 7916 } 7917 7918 @Override 7919 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7920 long millisecondsToDelay) { 7921 mContext.enforceCallingOrSelfPermission( 7922 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7923 "Only package verification agents can extend verification timeouts"); 7924 7925 final PackageVerificationState state = mPendingVerification.get(id); 7926 final PackageVerificationResponse response = new PackageVerificationResponse( 7927 verificationCodeAtTimeout, Binder.getCallingUid()); 7928 7929 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7930 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7931 } 7932 if (millisecondsToDelay < 0) { 7933 millisecondsToDelay = 0; 7934 } 7935 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7936 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7937 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7938 } 7939 7940 if ((state != null) && !state.timeoutExtended()) { 7941 state.extendTimeout(); 7942 7943 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7944 msg.arg1 = id; 7945 msg.obj = response; 7946 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7947 } 7948 } 7949 7950 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7951 int verificationCode, UserHandle user) { 7952 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7953 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7954 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7955 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7956 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7957 7958 mContext.sendBroadcastAsUser(intent, user, 7959 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7960 } 7961 7962 private ComponentName matchComponentForVerifier(String packageName, 7963 List<ResolveInfo> receivers) { 7964 ActivityInfo targetReceiver = null; 7965 7966 final int NR = receivers.size(); 7967 for (int i = 0; i < NR; i++) { 7968 final ResolveInfo info = receivers.get(i); 7969 if (info.activityInfo == null) { 7970 continue; 7971 } 7972 7973 if (packageName.equals(info.activityInfo.packageName)) { 7974 targetReceiver = info.activityInfo; 7975 break; 7976 } 7977 } 7978 7979 if (targetReceiver == null) { 7980 return null; 7981 } 7982 7983 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7984 } 7985 7986 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7987 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7988 if (pkgInfo.verifiers.length == 0) { 7989 return null; 7990 } 7991 7992 final int N = pkgInfo.verifiers.length; 7993 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7994 for (int i = 0; i < N; i++) { 7995 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7996 7997 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7998 receivers); 7999 if (comp == null) { 8000 continue; 8001 } 8002 8003 final int verifierUid = getUidForVerifier(verifierInfo); 8004 if (verifierUid == -1) { 8005 continue; 8006 } 8007 8008 if (DEBUG_VERIFY) { 8009 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8010 + " with the correct signature"); 8011 } 8012 sufficientVerifiers.add(comp); 8013 verificationState.addSufficientVerifier(verifierUid); 8014 } 8015 8016 return sufficientVerifiers; 8017 } 8018 8019 private int getUidForVerifier(VerifierInfo verifierInfo) { 8020 synchronized (mPackages) { 8021 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8022 if (pkg == null) { 8023 return -1; 8024 } else if (pkg.mSignatures.length != 1) { 8025 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8026 + " has more than one signature; ignoring"); 8027 return -1; 8028 } 8029 8030 /* 8031 * If the public key of the package's signature does not match 8032 * our expected public key, then this is a different package and 8033 * we should skip. 8034 */ 8035 8036 final byte[] expectedPublicKey; 8037 try { 8038 final Signature verifierSig = pkg.mSignatures[0]; 8039 final PublicKey publicKey = verifierSig.getPublicKey(); 8040 expectedPublicKey = publicKey.getEncoded(); 8041 } catch (CertificateException e) { 8042 return -1; 8043 } 8044 8045 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8046 8047 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8048 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8049 + " does not have the expected public key; ignoring"); 8050 return -1; 8051 } 8052 8053 return pkg.applicationInfo.uid; 8054 } 8055 } 8056 8057 @Override 8058 public void finishPackageInstall(int token) { 8059 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8060 8061 if (DEBUG_INSTALL) { 8062 Slog.v(TAG, "BM finishing package install for " + token); 8063 } 8064 8065 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8066 mHandler.sendMessage(msg); 8067 } 8068 8069 /** 8070 * Get the verification agent timeout. 8071 * 8072 * @return verification timeout in milliseconds 8073 */ 8074 private long getVerificationTimeout() { 8075 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8076 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8077 DEFAULT_VERIFICATION_TIMEOUT); 8078 } 8079 8080 /** 8081 * Get the default verification agent response code. 8082 * 8083 * @return default verification response code 8084 */ 8085 private int getDefaultVerificationResponse() { 8086 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8087 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8088 DEFAULT_VERIFICATION_RESPONSE); 8089 } 8090 8091 /** 8092 * Check whether or not package verification has been enabled. 8093 * 8094 * @return true if verification should be performed 8095 */ 8096 private boolean isVerificationEnabled(int flags) { 8097 if (!DEFAULT_VERIFY_ENABLE) { 8098 return false; 8099 } 8100 8101 // Check if installing from ADB 8102 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8103 // Do not run verification in a test harness environment 8104 if (ActivityManager.isRunningInTestHarness()) { 8105 return false; 8106 } 8107 // Check if the developer does not want package verification for ADB installs 8108 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8109 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8110 return false; 8111 } 8112 } 8113 8114 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8115 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8116 } 8117 8118 /** 8119 * Get the "allow unknown sources" setting. 8120 * 8121 * @return the current "allow unknown sources" setting 8122 */ 8123 private int getUnknownSourcesSettings() { 8124 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8125 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8126 -1); 8127 } 8128 8129 @Override 8130 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8131 final int uid = Binder.getCallingUid(); 8132 // writer 8133 synchronized (mPackages) { 8134 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8135 if (targetPackageSetting == null) { 8136 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8137 } 8138 8139 PackageSetting installerPackageSetting; 8140 if (installerPackageName != null) { 8141 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8142 if (installerPackageSetting == null) { 8143 throw new IllegalArgumentException("Unknown installer package: " 8144 + installerPackageName); 8145 } 8146 } else { 8147 installerPackageSetting = null; 8148 } 8149 8150 Signature[] callerSignature; 8151 Object obj = mSettings.getUserIdLPr(uid); 8152 if (obj != null) { 8153 if (obj instanceof SharedUserSetting) { 8154 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8155 } else if (obj instanceof PackageSetting) { 8156 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8157 } else { 8158 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8159 } 8160 } else { 8161 throw new SecurityException("Unknown calling uid " + uid); 8162 } 8163 8164 // Verify: can't set installerPackageName to a package that is 8165 // not signed with the same cert as the caller. 8166 if (installerPackageSetting != null) { 8167 if (compareSignatures(callerSignature, 8168 installerPackageSetting.signatures.mSignatures) 8169 != PackageManager.SIGNATURE_MATCH) { 8170 throw new SecurityException( 8171 "Caller does not have same cert as new installer package " 8172 + installerPackageName); 8173 } 8174 } 8175 8176 // Verify: if target already has an installer package, it must 8177 // be signed with the same cert as the caller. 8178 if (targetPackageSetting.installerPackageName != null) { 8179 PackageSetting setting = mSettings.mPackages.get( 8180 targetPackageSetting.installerPackageName); 8181 // If the currently set package isn't valid, then it's always 8182 // okay to change it. 8183 if (setting != null) { 8184 if (compareSignatures(callerSignature, 8185 setting.signatures.mSignatures) 8186 != PackageManager.SIGNATURE_MATCH) { 8187 throw new SecurityException( 8188 "Caller does not have same cert as old installer package " 8189 + targetPackageSetting.installerPackageName); 8190 } 8191 } 8192 } 8193 8194 // Okay! 8195 targetPackageSetting.installerPackageName = installerPackageName; 8196 scheduleWriteSettingsLocked(); 8197 } 8198 } 8199 8200 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8201 // Queue up an async operation since the package installation may take a little while. 8202 mHandler.post(new Runnable() { 8203 public void run() { 8204 mHandler.removeCallbacks(this); 8205 // Result object to be returned 8206 PackageInstalledInfo res = new PackageInstalledInfo(); 8207 res.returnCode = currentStatus; 8208 res.uid = -1; 8209 res.pkg = null; 8210 res.removedInfo = new PackageRemovedInfo(); 8211 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8212 args.doPreInstall(res.returnCode); 8213 synchronized (mInstallLock) { 8214 installPackageLI(args, true, res); 8215 } 8216 args.doPostInstall(res.returnCode, res.uid); 8217 } 8218 8219 // A restore should be performed at this point if (a) the install 8220 // succeeded, (b) the operation is not an update, and (c) the new 8221 // package has a backupAgent defined. 8222 final boolean update = res.removedInfo.removedPackage != null; 8223 boolean doRestore = (!update 8224 && res.pkg != null 8225 && res.pkg.applicationInfo.backupAgentName != null); 8226 8227 // Set up the post-install work request bookkeeping. This will be used 8228 // and cleaned up by the post-install event handling regardless of whether 8229 // there's a restore pass performed. Token values are >= 1. 8230 int token; 8231 if (mNextInstallToken < 0) mNextInstallToken = 1; 8232 token = mNextInstallToken++; 8233 8234 PostInstallData data = new PostInstallData(args, res); 8235 mRunningInstalls.put(token, data); 8236 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8237 8238 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8239 // Pass responsibility to the Backup Manager. It will perform a 8240 // restore if appropriate, then pass responsibility back to the 8241 // Package Manager to run the post-install observer callbacks 8242 // and broadcasts. 8243 IBackupManager bm = IBackupManager.Stub.asInterface( 8244 ServiceManager.getService(Context.BACKUP_SERVICE)); 8245 if (bm != null) { 8246 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8247 + " to BM for possible restore"); 8248 try { 8249 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8250 } catch (RemoteException e) { 8251 // can't happen; the backup manager is local 8252 } catch (Exception e) { 8253 Slog.e(TAG, "Exception trying to enqueue restore", e); 8254 doRestore = false; 8255 } 8256 } else { 8257 Slog.e(TAG, "Backup Manager not found!"); 8258 doRestore = false; 8259 } 8260 } 8261 8262 if (!doRestore) { 8263 // No restore possible, or the Backup Manager was mysteriously not 8264 // available -- just fire the post-install work request directly. 8265 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8266 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8267 mHandler.sendMessage(msg); 8268 } 8269 } 8270 }); 8271 } 8272 8273 private abstract class HandlerParams { 8274 private static final int MAX_RETRIES = 4; 8275 8276 /** 8277 * Number of times startCopy() has been attempted and had a non-fatal 8278 * error. 8279 */ 8280 private int mRetries = 0; 8281 8282 /** User handle for the user requesting the information or installation. */ 8283 private final UserHandle mUser; 8284 8285 HandlerParams(UserHandle user) { 8286 mUser = user; 8287 } 8288 8289 UserHandle getUser() { 8290 return mUser; 8291 } 8292 8293 final boolean startCopy() { 8294 boolean res; 8295 try { 8296 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8297 8298 if (++mRetries > MAX_RETRIES) { 8299 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8300 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8301 handleServiceError(); 8302 return false; 8303 } else { 8304 handleStartCopy(); 8305 res = true; 8306 } 8307 } catch (RemoteException e) { 8308 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8309 mHandler.sendEmptyMessage(MCS_RECONNECT); 8310 res = false; 8311 } 8312 handleReturnCode(); 8313 return res; 8314 } 8315 8316 final void serviceError() { 8317 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8318 handleServiceError(); 8319 handleReturnCode(); 8320 } 8321 8322 abstract void handleStartCopy() throws RemoteException; 8323 abstract void handleServiceError(); 8324 abstract void handleReturnCode(); 8325 } 8326 8327 class MeasureParams extends HandlerParams { 8328 private final PackageStats mStats; 8329 private boolean mSuccess; 8330 8331 private final IPackageStatsObserver mObserver; 8332 8333 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8334 super(new UserHandle(stats.userHandle)); 8335 mObserver = observer; 8336 mStats = stats; 8337 } 8338 8339 @Override 8340 public String toString() { 8341 return "MeasureParams{" 8342 + Integer.toHexString(System.identityHashCode(this)) 8343 + " " + mStats.packageName + "}"; 8344 } 8345 8346 @Override 8347 void handleStartCopy() throws RemoteException { 8348 synchronized (mInstallLock) { 8349 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8350 } 8351 8352 if (mSuccess) { 8353 final boolean mounted; 8354 if (Environment.isExternalStorageEmulated()) { 8355 mounted = true; 8356 } else { 8357 final String status = Environment.getExternalStorageState(); 8358 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8359 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8360 } 8361 8362 if (mounted) { 8363 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8364 8365 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8366 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8367 8368 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8369 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8370 8371 // Always subtract cache size, since it's a subdirectory 8372 mStats.externalDataSize -= mStats.externalCacheSize; 8373 8374 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8375 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8376 8377 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8378 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8379 } 8380 } 8381 } 8382 8383 @Override 8384 void handleReturnCode() { 8385 if (mObserver != null) { 8386 try { 8387 mObserver.onGetStatsCompleted(mStats, mSuccess); 8388 } catch (RemoteException e) { 8389 Slog.i(TAG, "Observer no longer exists."); 8390 } 8391 } 8392 } 8393 8394 @Override 8395 void handleServiceError() { 8396 Slog.e(TAG, "Could not measure application " + mStats.packageName 8397 + " external storage"); 8398 } 8399 } 8400 8401 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8402 throws RemoteException { 8403 long result = 0; 8404 for (File path : paths) { 8405 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8406 } 8407 return result; 8408 } 8409 8410 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8411 for (File path : paths) { 8412 try { 8413 mcs.clearDirectory(path.getAbsolutePath()); 8414 } catch (RemoteException e) { 8415 } 8416 } 8417 } 8418 8419 class InstallParams extends HandlerParams { 8420 final IPackageInstallObserver observer; 8421 final IPackageInstallObserver2 observer2; 8422 int flags; 8423 8424 private final Uri mPackageURI; 8425 final String installerPackageName; 8426 final VerificationParams verificationParams; 8427 private InstallArgs mArgs; 8428 private int mRet; 8429 private File mTempPackage; 8430 final ContainerEncryptionParams encryptionParams; 8431 final String packageAbiOverride; 8432 final String packageInstructionSetOverride; 8433 8434 InstallParams(Uri packageURI, 8435 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8436 int flags, String installerPackageName, VerificationParams verificationParams, 8437 ContainerEncryptionParams encryptionParams, UserHandle user, 8438 String packageAbiOverride) { 8439 super(user); 8440 this.mPackageURI = packageURI; 8441 this.flags = flags; 8442 this.observer = observer; 8443 this.observer2 = observer2; 8444 this.installerPackageName = installerPackageName; 8445 this.verificationParams = verificationParams; 8446 this.encryptionParams = encryptionParams; 8447 this.packageAbiOverride = packageAbiOverride; 8448 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8449 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8450 } 8451 8452 @Override 8453 public String toString() { 8454 return "InstallParams{" 8455 + Integer.toHexString(System.identityHashCode(this)) 8456 + " " + mPackageURI + "}"; 8457 } 8458 8459 public ManifestDigest getManifestDigest() { 8460 if (verificationParams == null) { 8461 return null; 8462 } 8463 return verificationParams.getManifestDigest(); 8464 } 8465 8466 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8467 String packageName = pkgLite.packageName; 8468 int installLocation = pkgLite.installLocation; 8469 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8470 // reader 8471 synchronized (mPackages) { 8472 PackageParser.Package pkg = mPackages.get(packageName); 8473 if (pkg != null) { 8474 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8475 // Check for downgrading. 8476 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8477 if (pkgLite.versionCode < pkg.mVersionCode) { 8478 Slog.w(TAG, "Can't install update of " + packageName 8479 + " update version " + pkgLite.versionCode 8480 + " is older than installed version " 8481 + pkg.mVersionCode); 8482 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8483 } 8484 } 8485 // Check for updated system application. 8486 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8487 if (onSd) { 8488 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8489 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8490 } 8491 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8492 } else { 8493 if (onSd) { 8494 // Install flag overrides everything. 8495 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8496 } 8497 // If current upgrade specifies particular preference 8498 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8499 // Application explicitly specified internal. 8500 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8501 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8502 // App explictly prefers external. Let policy decide 8503 } else { 8504 // Prefer previous location 8505 if (isExternal(pkg)) { 8506 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8507 } 8508 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8509 } 8510 } 8511 } else { 8512 // Invalid install. Return error code 8513 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8514 } 8515 } 8516 } 8517 // All the special cases have been taken care of. 8518 // Return result based on recommended install location. 8519 if (onSd) { 8520 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8521 } 8522 return pkgLite.recommendedInstallLocation; 8523 } 8524 8525 private long getMemoryLowThreshold() { 8526 final DeviceStorageMonitorInternal 8527 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8528 if (dsm == null) { 8529 return 0L; 8530 } 8531 return dsm.getMemoryLowThreshold(); 8532 } 8533 8534 /* 8535 * Invoke remote method to get package information and install 8536 * location values. Override install location based on default 8537 * policy if needed and then create install arguments based 8538 * on the install location. 8539 */ 8540 public void handleStartCopy() throws RemoteException { 8541 int ret = PackageManager.INSTALL_SUCCEEDED; 8542 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8543 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8544 PackageInfoLite pkgLite = null; 8545 8546 if (onInt && onSd) { 8547 // Check if both bits are set. 8548 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8549 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8550 } else { 8551 final long lowThreshold = getMemoryLowThreshold(); 8552 if (lowThreshold == 0L) { 8553 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8554 } 8555 8556 try { 8557 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8558 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8559 8560 final File packageFile; 8561 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8562 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8563 if (mTempPackage != null) { 8564 ParcelFileDescriptor out; 8565 try { 8566 out = ParcelFileDescriptor.open(mTempPackage, 8567 ParcelFileDescriptor.MODE_READ_WRITE); 8568 } catch (FileNotFoundException e) { 8569 out = null; 8570 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8571 } 8572 8573 // Make a temporary file for decryption. 8574 ret = mContainerService 8575 .copyResource(mPackageURI, encryptionParams, out); 8576 IoUtils.closeQuietly(out); 8577 8578 packageFile = mTempPackage; 8579 8580 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8581 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8582 | FileUtils.S_IROTH, 8583 -1, -1); 8584 } else { 8585 packageFile = null; 8586 } 8587 } else { 8588 packageFile = new File(mPackageURI.getPath()); 8589 } 8590 8591 if (packageFile != null) { 8592 // Remote call to find out default install location 8593 final String packageFilePath = packageFile.getAbsolutePath(); 8594 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8595 lowThreshold, packageAbiOverride); 8596 8597 /* 8598 * If we have too little free space, try to free cache 8599 * before giving up. 8600 */ 8601 if (pkgLite.recommendedInstallLocation 8602 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8603 final long size = mContainerService.calculateInstalledSize( 8604 packageFilePath, isForwardLocked(), packageAbiOverride); 8605 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8606 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8607 flags, lowThreshold, packageAbiOverride); 8608 } 8609 /* 8610 * The cache free must have deleted the file we 8611 * downloaded to install. 8612 * 8613 * TODO: fix the "freeCache" call to not delete 8614 * the file we care about. 8615 */ 8616 if (pkgLite.recommendedInstallLocation 8617 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8618 pkgLite.recommendedInstallLocation 8619 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8620 } 8621 } 8622 } 8623 } finally { 8624 mContext.revokeUriPermission(mPackageURI, 8625 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8626 } 8627 } 8628 8629 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8630 int loc = pkgLite.recommendedInstallLocation; 8631 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8632 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8633 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8634 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8635 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8636 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8637 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8638 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8639 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8640 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8641 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8642 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8643 } else { 8644 // Override with defaults if needed. 8645 loc = installLocationPolicy(pkgLite, flags); 8646 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8647 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8648 } else if (!onSd && !onInt) { 8649 // Override install location with flags 8650 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8651 // Set the flag to install on external media. 8652 flags |= PackageManager.INSTALL_EXTERNAL; 8653 flags &= ~PackageManager.INSTALL_INTERNAL; 8654 } else { 8655 // Make sure the flag for installing on external 8656 // media is unset 8657 flags |= PackageManager.INSTALL_INTERNAL; 8658 flags &= ~PackageManager.INSTALL_EXTERNAL; 8659 } 8660 } 8661 } 8662 } 8663 8664 final InstallArgs args = createInstallArgs(this); 8665 mArgs = args; 8666 8667 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8668 /* 8669 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8670 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8671 */ 8672 int userIdentifier = getUser().getIdentifier(); 8673 if (userIdentifier == UserHandle.USER_ALL 8674 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8675 userIdentifier = UserHandle.USER_OWNER; 8676 } 8677 8678 /* 8679 * Determine if we have any installed package verifiers. If we 8680 * do, then we'll defer to them to verify the packages. 8681 */ 8682 final int requiredUid = mRequiredVerifierPackage == null ? -1 8683 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8684 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8685 final Intent verification = new Intent( 8686 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8687 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8688 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8689 8690 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8691 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8692 0 /* TODO: Which userId? */); 8693 8694 if (DEBUG_VERIFY) { 8695 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8696 + verification.toString() + " with " + pkgLite.verifiers.length 8697 + " optional verifiers"); 8698 } 8699 8700 final int verificationId = mPendingVerificationToken++; 8701 8702 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8703 8704 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8705 installerPackageName); 8706 8707 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8708 8709 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8710 pkgLite.packageName); 8711 8712 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8713 pkgLite.versionCode); 8714 8715 if (verificationParams != null) { 8716 if (verificationParams.getVerificationURI() != null) { 8717 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8718 verificationParams.getVerificationURI()); 8719 } 8720 if (verificationParams.getOriginatingURI() != null) { 8721 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8722 verificationParams.getOriginatingURI()); 8723 } 8724 if (verificationParams.getReferrer() != null) { 8725 verification.putExtra(Intent.EXTRA_REFERRER, 8726 verificationParams.getReferrer()); 8727 } 8728 if (verificationParams.getOriginatingUid() >= 0) { 8729 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8730 verificationParams.getOriginatingUid()); 8731 } 8732 if (verificationParams.getInstallerUid() >= 0) { 8733 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8734 verificationParams.getInstallerUid()); 8735 } 8736 } 8737 8738 final PackageVerificationState verificationState = new PackageVerificationState( 8739 requiredUid, args); 8740 8741 mPendingVerification.append(verificationId, verificationState); 8742 8743 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8744 receivers, verificationState); 8745 8746 /* 8747 * If any sufficient verifiers were listed in the package 8748 * manifest, attempt to ask them. 8749 */ 8750 if (sufficientVerifiers != null) { 8751 final int N = sufficientVerifiers.size(); 8752 if (N == 0) { 8753 Slog.i(TAG, "Additional verifiers required, but none installed."); 8754 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8755 } else { 8756 for (int i = 0; i < N; i++) { 8757 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8758 8759 final Intent sufficientIntent = new Intent(verification); 8760 sufficientIntent.setComponent(verifierComponent); 8761 8762 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8763 } 8764 } 8765 } 8766 8767 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8768 mRequiredVerifierPackage, receivers); 8769 if (ret == PackageManager.INSTALL_SUCCEEDED 8770 && mRequiredVerifierPackage != null) { 8771 /* 8772 * Send the intent to the required verification agent, 8773 * but only start the verification timeout after the 8774 * target BroadcastReceivers have run. 8775 */ 8776 verification.setComponent(requiredVerifierComponent); 8777 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8778 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8779 new BroadcastReceiver() { 8780 @Override 8781 public void onReceive(Context context, Intent intent) { 8782 final Message msg = mHandler 8783 .obtainMessage(CHECK_PENDING_VERIFICATION); 8784 msg.arg1 = verificationId; 8785 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8786 } 8787 }, null, 0, null, null); 8788 8789 /* 8790 * We don't want the copy to proceed until verification 8791 * succeeds, so null out this field. 8792 */ 8793 mArgs = null; 8794 } 8795 } else { 8796 /* 8797 * No package verification is enabled, so immediately start 8798 * the remote call to initiate copy using temporary file. 8799 */ 8800 ret = args.copyApk(mContainerService, true); 8801 } 8802 } 8803 8804 mRet = ret; 8805 } 8806 8807 @Override 8808 void handleReturnCode() { 8809 // If mArgs is null, then MCS couldn't be reached. When it 8810 // reconnects, it will try again to install. At that point, this 8811 // will succeed. 8812 if (mArgs != null) { 8813 processPendingInstall(mArgs, mRet); 8814 8815 if (mTempPackage != null) { 8816 if (!mTempPackage.delete()) { 8817 Slog.w(TAG, "Couldn't delete temporary file: " + 8818 mTempPackage.getAbsolutePath()); 8819 } 8820 } 8821 } 8822 } 8823 8824 @Override 8825 void handleServiceError() { 8826 mArgs = createInstallArgs(this); 8827 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8828 } 8829 8830 public boolean isForwardLocked() { 8831 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8832 } 8833 8834 public Uri getPackageUri() { 8835 if (mTempPackage != null) { 8836 return Uri.fromFile(mTempPackage); 8837 } else { 8838 return mPackageURI; 8839 } 8840 } 8841 } 8842 8843 /* 8844 * Utility class used in movePackage api. 8845 * srcArgs and targetArgs are not set for invalid flags and make 8846 * sure to do null checks when invoking methods on them. 8847 * We probably want to return ErrorPrams for both failed installs 8848 * and moves. 8849 */ 8850 class MoveParams extends HandlerParams { 8851 final IPackageMoveObserver observer; 8852 final int flags; 8853 final String packageName; 8854 final InstallArgs srcArgs; 8855 final InstallArgs targetArgs; 8856 int uid; 8857 int mRet; 8858 8859 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8860 String packageName, String dataDir, String instructionSet, 8861 int uid, UserHandle user) { 8862 super(user); 8863 this.srcArgs = srcArgs; 8864 this.observer = observer; 8865 this.flags = flags; 8866 this.packageName = packageName; 8867 this.uid = uid; 8868 if (srcArgs != null) { 8869 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8870 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8871 } else { 8872 targetArgs = null; 8873 } 8874 } 8875 8876 @Override 8877 public String toString() { 8878 return "MoveParams{" 8879 + Integer.toHexString(System.identityHashCode(this)) 8880 + " " + packageName + "}"; 8881 } 8882 8883 public void handleStartCopy() throws RemoteException { 8884 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8885 // Check for storage space on target medium 8886 if (!targetArgs.checkFreeStorage(mContainerService)) { 8887 Log.w(TAG, "Insufficient storage to install"); 8888 return; 8889 } 8890 8891 mRet = srcArgs.doPreCopy(); 8892 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8893 return; 8894 } 8895 8896 mRet = targetArgs.copyApk(mContainerService, false); 8897 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8898 srcArgs.doPostCopy(uid); 8899 return; 8900 } 8901 8902 mRet = srcArgs.doPostCopy(uid); 8903 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8904 return; 8905 } 8906 8907 mRet = targetArgs.doPreInstall(mRet); 8908 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8909 return; 8910 } 8911 8912 if (DEBUG_SD_INSTALL) { 8913 StringBuilder builder = new StringBuilder(); 8914 if (srcArgs != null) { 8915 builder.append("src: "); 8916 builder.append(srcArgs.getCodePath()); 8917 } 8918 if (targetArgs != null) { 8919 builder.append(" target : "); 8920 builder.append(targetArgs.getCodePath()); 8921 } 8922 Log.i(TAG, builder.toString()); 8923 } 8924 } 8925 8926 @Override 8927 void handleReturnCode() { 8928 targetArgs.doPostInstall(mRet, uid); 8929 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8930 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8931 currentStatus = PackageManager.MOVE_SUCCEEDED; 8932 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8933 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8934 } 8935 processPendingMove(this, currentStatus); 8936 } 8937 8938 @Override 8939 void handleServiceError() { 8940 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8941 } 8942 } 8943 8944 /** 8945 * Used during creation of InstallArgs 8946 * 8947 * @param flags package installation flags 8948 * @return true if should be installed on external storage 8949 */ 8950 private static boolean installOnSd(int flags) { 8951 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8952 return false; 8953 } 8954 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8955 return true; 8956 } 8957 return false; 8958 } 8959 8960 /** 8961 * Used during creation of InstallArgs 8962 * 8963 * @param flags package installation flags 8964 * @return true if should be installed as forward locked 8965 */ 8966 private static boolean installForwardLocked(int flags) { 8967 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8968 } 8969 8970 private InstallArgs createInstallArgs(InstallParams params) { 8971 if (installOnSd(params.flags) || params.isForwardLocked()) { 8972 return new AsecInstallArgs(params); 8973 } else { 8974 return new FileInstallArgs(params); 8975 } 8976 } 8977 8978 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8979 String nativeLibraryPath, String instructionSet) { 8980 final boolean isInAsec; 8981 if (installOnSd(flags)) { 8982 /* Apps on SD card are always in ASEC containers. */ 8983 isInAsec = true; 8984 } else if (installForwardLocked(flags) 8985 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8986 /* 8987 * Forward-locked apps are only in ASEC containers if they're the 8988 * new style 8989 */ 8990 isInAsec = true; 8991 } else { 8992 isInAsec = false; 8993 } 8994 8995 if (isInAsec) { 8996 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8997 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8998 } else { 8999 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 9000 instructionSet); 9001 } 9002 } 9003 9004 // Used by package mover 9005 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 9006 String instructionSet) { 9007 if (installOnSd(flags) || installForwardLocked(flags)) { 9008 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 9009 + AsecInstallArgs.RES_FILE_NAME); 9010 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 9011 installForwardLocked(flags)); 9012 } else { 9013 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 9014 } 9015 } 9016 9017 static abstract class InstallArgs { 9018 final IPackageInstallObserver observer; 9019 final IPackageInstallObserver2 observer2; 9020 // Always refers to PackageManager flags only 9021 final int flags; 9022 final Uri packageURI; 9023 final String installerPackageName; 9024 final ManifestDigest manifestDigest; 9025 final UserHandle user; 9026 final String instructionSet; 9027 final String abiOverride; 9028 9029 InstallArgs(Uri packageURI, 9030 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 9031 int flags, String installerPackageName, ManifestDigest manifestDigest, 9032 UserHandle user, String instructionSet, String abiOverride) { 9033 this.packageURI = packageURI; 9034 this.flags = flags; 9035 this.observer = observer; 9036 this.observer2 = observer2; 9037 this.installerPackageName = installerPackageName; 9038 this.manifestDigest = manifestDigest; 9039 this.user = user; 9040 this.instructionSet = instructionSet; 9041 this.abiOverride = abiOverride; 9042 } 9043 9044 abstract void createCopyFile(); 9045 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9046 abstract int doPreInstall(int status); 9047 abstract boolean doRename(int status, String pkgName, String oldCodePath); 9048 9049 abstract int doPostInstall(int status, int uid); 9050 abstract String getCodePath(); 9051 abstract String getResourcePath(); 9052 abstract String getNativeLibraryPath(); 9053 // Need installer lock especially for dex file removal. 9054 abstract void cleanUpResourcesLI(); 9055 abstract boolean doPostDeleteLI(boolean delete); 9056 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9057 9058 /** 9059 * Called before the source arguments are copied. This is used mostly 9060 * for MoveParams when it needs to read the source file to put it in the 9061 * destination. 9062 */ 9063 int doPreCopy() { 9064 return PackageManager.INSTALL_SUCCEEDED; 9065 } 9066 9067 /** 9068 * Called after the source arguments are copied. This is used mostly for 9069 * MoveParams when it needs to read the source file to put it in the 9070 * destination. 9071 * 9072 * @return 9073 */ 9074 int doPostCopy(int uid) { 9075 return PackageManager.INSTALL_SUCCEEDED; 9076 } 9077 9078 protected boolean isFwdLocked() { 9079 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9080 } 9081 9082 UserHandle getUser() { 9083 return user; 9084 } 9085 } 9086 9087 class FileInstallArgs extends InstallArgs { 9088 File installDir; 9089 String codeFileName; 9090 String resourceFileName; 9091 String libraryPath; 9092 boolean created = false; 9093 9094 FileInstallArgs(InstallParams params) { 9095 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9096 params.installerPackageName, params.getManifestDigest(), 9097 params.getUser(), params.packageInstructionSetOverride, 9098 params.packageAbiOverride); 9099 } 9100 9101 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9102 String instructionSet) { 9103 super(null, null, null, 0, null, null, null, instructionSet, null); 9104 File codeFile = new File(fullCodePath); 9105 installDir = codeFile.getParentFile(); 9106 codeFileName = fullCodePath; 9107 resourceFileName = fullResourcePath; 9108 libraryPath = nativeLibraryPath; 9109 } 9110 9111 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 9112 super(packageURI, null, null, 0, null, null, null, instructionSet, null); 9113 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9114 String apkName = getNextCodePath(null, pkgName, ".apk"); 9115 codeFileName = new File(installDir, apkName + ".apk").getPath(); 9116 resourceFileName = getResourcePathFromCodePath(); 9117 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 9118 } 9119 9120 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9121 final long lowThreshold; 9122 9123 final DeviceStorageMonitorInternal 9124 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9125 if (dsm == null) { 9126 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9127 lowThreshold = 0L; 9128 } else { 9129 if (dsm.isMemoryLow()) { 9130 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9131 return false; 9132 } 9133 9134 lowThreshold = dsm.getMemoryLowThreshold(); 9135 } 9136 9137 try { 9138 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9139 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9140 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9141 } finally { 9142 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9143 } 9144 } 9145 9146 String getCodePath() { 9147 return codeFileName; 9148 } 9149 9150 void createCopyFile() { 9151 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9152 codeFileName = createTempPackageFile(installDir).getPath(); 9153 resourceFileName = getResourcePathFromCodePath(); 9154 libraryPath = getLibraryPathFromCodePath(); 9155 created = true; 9156 } 9157 9158 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9159 if (temp) { 9160 // Generate temp file name 9161 createCopyFile(); 9162 } 9163 // Get a ParcelFileDescriptor to write to the output file 9164 File codeFile = new File(codeFileName); 9165 if (!created) { 9166 try { 9167 codeFile.createNewFile(); 9168 // Set permissions 9169 if (!setPermissions()) { 9170 // Failed setting permissions. 9171 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9172 } 9173 } catch (IOException e) { 9174 Slog.w(TAG, "Failed to create file " + codeFile); 9175 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9176 } 9177 } 9178 ParcelFileDescriptor out = null; 9179 try { 9180 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9181 } catch (FileNotFoundException e) { 9182 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9183 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9184 } 9185 // Copy the resource now 9186 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9187 try { 9188 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9189 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9190 ret = imcs.copyResource(packageURI, null, out); 9191 } finally { 9192 IoUtils.closeQuietly(out); 9193 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9194 } 9195 9196 if (isFwdLocked()) { 9197 final File destResourceFile = new File(getResourcePath()); 9198 9199 // Copy the public files 9200 try { 9201 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9202 } catch (IOException e) { 9203 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9204 + " forward-locked app."); 9205 destResourceFile.delete(); 9206 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9207 } 9208 } 9209 9210 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9211 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9212 if (nativeLibraryFile.exists()) { 9213 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9214 nativeLibraryFile.delete(); 9215 } 9216 9217 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(codeFile); 9218 final String[] abiList = (abiOverride != null) ? 9219 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9220 try { 9221 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 9222 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9223 return copyRet; 9224 } 9225 } catch (IOException e) { 9226 Slog.e(TAG, "Copying native libraries failed", e); 9227 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9228 } finally { 9229 handle.close(); 9230 } 9231 9232 return ret; 9233 } 9234 9235 int doPreInstall(int status) { 9236 if (status != PackageManager.INSTALL_SUCCEEDED) { 9237 cleanUp(); 9238 } 9239 return status; 9240 } 9241 9242 boolean doRename(int status, final String pkgName, String oldCodePath) { 9243 if (status != PackageManager.INSTALL_SUCCEEDED) { 9244 cleanUp(); 9245 return false; 9246 } else { 9247 final File oldCodeFile = new File(getCodePath()); 9248 final File oldResourceFile = new File(getResourcePath()); 9249 final File oldLibraryFile = new File(getNativeLibraryPath()); 9250 9251 // Rename APK file based on packageName 9252 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9253 final File newCodeFile = new File(installDir, apkName + ".apk"); 9254 if (!oldCodeFile.renameTo(newCodeFile)) { 9255 return false; 9256 } 9257 codeFileName = newCodeFile.getPath(); 9258 9259 // Rename public resource file if it's forward-locked. 9260 final File newResFile = new File(getResourcePathFromCodePath()); 9261 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9262 return false; 9263 } 9264 resourceFileName = newResFile.getPath(); 9265 9266 // Rename library path 9267 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9268 if (newLibraryFile.exists()) { 9269 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9270 newLibraryFile.delete(); 9271 } 9272 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9273 Slog.e(TAG, "Cannot rename native library directory " 9274 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9275 return false; 9276 } 9277 libraryPath = newLibraryFile.getPath(); 9278 9279 // Attempt to set permissions 9280 if (!setPermissions()) { 9281 return false; 9282 } 9283 9284 if (!SELinux.restorecon(newCodeFile)) { 9285 return false; 9286 } 9287 9288 return true; 9289 } 9290 } 9291 9292 int doPostInstall(int status, int uid) { 9293 if (status != PackageManager.INSTALL_SUCCEEDED) { 9294 cleanUp(); 9295 } 9296 return status; 9297 } 9298 9299 String getResourcePath() { 9300 return resourceFileName; 9301 } 9302 9303 private String getResourcePathFromCodePath() { 9304 final String codePath = getCodePath(); 9305 if (isFwdLocked()) { 9306 final StringBuilder sb = new StringBuilder(); 9307 9308 sb.append(mAppInstallDir.getPath()); 9309 sb.append('/'); 9310 sb.append(getApkName(codePath)); 9311 sb.append(".zip"); 9312 9313 /* 9314 * If our APK is a temporary file, mark the resource as a 9315 * temporary file as well so it can be cleaned up after 9316 * catastrophic failure. 9317 */ 9318 if (codePath.endsWith(".tmp")) { 9319 sb.append(".tmp"); 9320 } 9321 9322 return sb.toString(); 9323 } else { 9324 return codePath; 9325 } 9326 } 9327 9328 private String getLibraryPathFromCodePath() { 9329 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9330 } 9331 9332 @Override 9333 String getNativeLibraryPath() { 9334 if (libraryPath == null) { 9335 libraryPath = getLibraryPathFromCodePath(); 9336 } 9337 return libraryPath; 9338 } 9339 9340 private boolean cleanUp() { 9341 boolean ret = true; 9342 String sourceDir = getCodePath(); 9343 String publicSourceDir = getResourcePath(); 9344 if (sourceDir != null) { 9345 File sourceFile = new File(sourceDir); 9346 if (!sourceFile.exists()) { 9347 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9348 ret = false; 9349 } 9350 // Delete application's code and resources 9351 sourceFile.delete(); 9352 } 9353 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9354 final File publicSourceFile = new File(publicSourceDir); 9355 if (!publicSourceFile.exists()) { 9356 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9357 } 9358 if (publicSourceFile.exists()) { 9359 publicSourceFile.delete(); 9360 } 9361 } 9362 9363 if (libraryPath != null) { 9364 File nativeLibraryFile = new File(libraryPath); 9365 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9366 if (!nativeLibraryFile.delete()) { 9367 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9368 } 9369 } 9370 9371 return ret; 9372 } 9373 9374 void cleanUpResourcesLI() { 9375 String sourceDir = getCodePath(); 9376 if (cleanUp()) { 9377 if (instructionSet == null) { 9378 throw new IllegalStateException("instructionSet == null"); 9379 } 9380 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9381 if (retCode < 0) { 9382 Slog.w(TAG, "Couldn't remove dex file for package: " 9383 + " at location " 9384 + sourceDir + ", retcode=" + retCode); 9385 // we don't consider this to be a failure of the core package deletion 9386 } 9387 } 9388 } 9389 9390 private boolean setPermissions() { 9391 // TODO Do this in a more elegant way later on. for now just a hack 9392 if (!isFwdLocked()) { 9393 final int filePermissions = 9394 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9395 |FileUtils.S_IROTH; 9396 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9397 if (retCode != 0) { 9398 Slog.e(TAG, "Couldn't set new package file permissions for " + 9399 getCodePath() 9400 + ". The return code was: " + retCode); 9401 // TODO Define new internal error 9402 return false; 9403 } 9404 return true; 9405 } 9406 return true; 9407 } 9408 9409 boolean doPostDeleteLI(boolean delete) { 9410 // XXX err, shouldn't we respect the delete flag? 9411 cleanUpResourcesLI(); 9412 return true; 9413 } 9414 } 9415 9416 private boolean isAsecExternal(String cid) { 9417 final String asecPath = PackageHelper.getSdFilesystem(cid); 9418 return !asecPath.startsWith(mAsecInternalPath); 9419 } 9420 9421 /** 9422 * Extract the MountService "container ID" from the full code path of an 9423 * .apk. 9424 */ 9425 static String cidFromCodePath(String fullCodePath) { 9426 int eidx = fullCodePath.lastIndexOf("/"); 9427 String subStr1 = fullCodePath.substring(0, eidx); 9428 int sidx = subStr1.lastIndexOf("/"); 9429 return subStr1.substring(sidx+1, eidx); 9430 } 9431 9432 class AsecInstallArgs extends InstallArgs { 9433 static final String RES_FILE_NAME = "pkg.apk"; 9434 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9435 9436 String cid; 9437 String packagePath; 9438 String resourcePath; 9439 String libraryPath; 9440 9441 AsecInstallArgs(InstallParams params) { 9442 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9443 params.installerPackageName, params.getManifestDigest(), 9444 params.getUser(), params.packageInstructionSetOverride, 9445 params.packageAbiOverride); 9446 } 9447 9448 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9449 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9450 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9451 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9452 null, null, null, instructionSet, null); 9453 // Extract cid from fullCodePath 9454 int eidx = fullCodePath.lastIndexOf("/"); 9455 String subStr1 = fullCodePath.substring(0, eidx); 9456 int sidx = subStr1.lastIndexOf("/"); 9457 cid = subStr1.substring(sidx+1, eidx); 9458 setCachePath(subStr1); 9459 } 9460 9461 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9462 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9463 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9464 null, null, null, instructionSet, null); 9465 this.cid = cid; 9466 setCachePath(PackageHelper.getSdDir(cid)); 9467 } 9468 9469 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9470 boolean isExternal, boolean isForwardLocked) { 9471 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9472 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9473 null, null, null, instructionSet, null); 9474 this.cid = cid; 9475 } 9476 9477 void createCopyFile() { 9478 cid = getTempContainerId(); 9479 } 9480 9481 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9482 try { 9483 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9484 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9485 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9486 } finally { 9487 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9488 } 9489 } 9490 9491 private final boolean isExternal() { 9492 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9493 } 9494 9495 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9496 if (temp) { 9497 createCopyFile(); 9498 } else { 9499 /* 9500 * Pre-emptively destroy the container since it's destroyed if 9501 * copying fails due to it existing anyway. 9502 */ 9503 PackageHelper.destroySdDir(cid); 9504 } 9505 9506 final String newCachePath; 9507 try { 9508 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9509 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9510 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9511 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9512 abiOverride); 9513 } finally { 9514 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9515 } 9516 9517 if (newCachePath != null) { 9518 setCachePath(newCachePath); 9519 return PackageManager.INSTALL_SUCCEEDED; 9520 } else { 9521 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9522 } 9523 } 9524 9525 @Override 9526 String getCodePath() { 9527 return packagePath; 9528 } 9529 9530 @Override 9531 String getResourcePath() { 9532 return resourcePath; 9533 } 9534 9535 @Override 9536 String getNativeLibraryPath() { 9537 return libraryPath; 9538 } 9539 9540 int doPreInstall(int status) { 9541 if (status != PackageManager.INSTALL_SUCCEEDED) { 9542 // Destroy container 9543 PackageHelper.destroySdDir(cid); 9544 } else { 9545 boolean mounted = PackageHelper.isContainerMounted(cid); 9546 if (!mounted) { 9547 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9548 Process.SYSTEM_UID); 9549 if (newCachePath != null) { 9550 setCachePath(newCachePath); 9551 } else { 9552 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9553 } 9554 } 9555 } 9556 return status; 9557 } 9558 9559 boolean doRename(int status, final String pkgName, 9560 String oldCodePath) { 9561 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9562 String newCachePath = null; 9563 if (PackageHelper.isContainerMounted(cid)) { 9564 // Unmount the container 9565 if (!PackageHelper.unMountSdDir(cid)) { 9566 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9567 return false; 9568 } 9569 } 9570 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9571 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9572 " which might be stale. Will try to clean up."); 9573 // Clean up the stale container and proceed to recreate. 9574 if (!PackageHelper.destroySdDir(newCacheId)) { 9575 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9576 return false; 9577 } 9578 // Successfully cleaned up stale container. Try to rename again. 9579 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9580 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9581 + " inspite of cleaning it up."); 9582 return false; 9583 } 9584 } 9585 if (!PackageHelper.isContainerMounted(newCacheId)) { 9586 Slog.w(TAG, "Mounting container " + newCacheId); 9587 newCachePath = PackageHelper.mountSdDir(newCacheId, 9588 getEncryptKey(), Process.SYSTEM_UID); 9589 } else { 9590 newCachePath = PackageHelper.getSdDir(newCacheId); 9591 } 9592 if (newCachePath == null) { 9593 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9594 return false; 9595 } 9596 Log.i(TAG, "Succesfully renamed " + cid + 9597 " to " + newCacheId + 9598 " at new path: " + newCachePath); 9599 cid = newCacheId; 9600 setCachePath(newCachePath); 9601 return true; 9602 } 9603 9604 private void setCachePath(String newCachePath) { 9605 File cachePath = new File(newCachePath); 9606 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9607 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9608 9609 if (isFwdLocked()) { 9610 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9611 } else { 9612 resourcePath = packagePath; 9613 } 9614 } 9615 9616 int doPostInstall(int status, int uid) { 9617 if (status != PackageManager.INSTALL_SUCCEEDED) { 9618 cleanUp(); 9619 } else { 9620 final int groupOwner; 9621 final String protectedFile; 9622 if (isFwdLocked()) { 9623 groupOwner = UserHandle.getSharedAppGid(uid); 9624 protectedFile = RES_FILE_NAME; 9625 } else { 9626 groupOwner = -1; 9627 protectedFile = null; 9628 } 9629 9630 if (uid < Process.FIRST_APPLICATION_UID 9631 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9632 Slog.e(TAG, "Failed to finalize " + cid); 9633 PackageHelper.destroySdDir(cid); 9634 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9635 } 9636 9637 boolean mounted = PackageHelper.isContainerMounted(cid); 9638 if (!mounted) { 9639 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9640 } 9641 } 9642 return status; 9643 } 9644 9645 private void cleanUp() { 9646 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9647 9648 // Destroy secure container 9649 PackageHelper.destroySdDir(cid); 9650 } 9651 9652 void cleanUpResourcesLI() { 9653 String sourceFile = getCodePath(); 9654 // Remove dex file 9655 if (instructionSet == null) { 9656 throw new IllegalStateException("instructionSet == null"); 9657 } 9658 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9659 if (retCode < 0) { 9660 Slog.w(TAG, "Couldn't remove dex file for package: " 9661 + " at location " 9662 + sourceFile.toString() + ", retcode=" + retCode); 9663 // we don't consider this to be a failure of the core package deletion 9664 } 9665 cleanUp(); 9666 } 9667 9668 boolean matchContainer(String app) { 9669 if (cid.startsWith(app)) { 9670 return true; 9671 } 9672 return false; 9673 } 9674 9675 String getPackageName() { 9676 return getAsecPackageName(cid); 9677 } 9678 9679 boolean doPostDeleteLI(boolean delete) { 9680 boolean ret = false; 9681 boolean mounted = PackageHelper.isContainerMounted(cid); 9682 if (mounted) { 9683 // Unmount first 9684 ret = PackageHelper.unMountSdDir(cid); 9685 } 9686 if (ret && delete) { 9687 cleanUpResourcesLI(); 9688 } 9689 return ret; 9690 } 9691 9692 @Override 9693 int doPreCopy() { 9694 if (isFwdLocked()) { 9695 if (!PackageHelper.fixSdPermissions(cid, 9696 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9697 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9698 } 9699 } 9700 9701 return PackageManager.INSTALL_SUCCEEDED; 9702 } 9703 9704 @Override 9705 int doPostCopy(int uid) { 9706 if (isFwdLocked()) { 9707 if (uid < Process.FIRST_APPLICATION_UID 9708 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9709 RES_FILE_NAME)) { 9710 Slog.e(TAG, "Failed to finalize " + cid); 9711 PackageHelper.destroySdDir(cid); 9712 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9713 } 9714 } 9715 9716 return PackageManager.INSTALL_SUCCEEDED; 9717 } 9718 }; 9719 9720 static String getAsecPackageName(String packageCid) { 9721 int idx = packageCid.lastIndexOf("-"); 9722 if (idx == -1) { 9723 return packageCid; 9724 } 9725 return packageCid.substring(0, idx); 9726 } 9727 9728 // Utility method used to create code paths based on package name and available index. 9729 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9730 String idxStr = ""; 9731 int idx = 1; 9732 // Fall back to default value of idx=1 if prefix is not 9733 // part of oldCodePath 9734 if (oldCodePath != null) { 9735 String subStr = oldCodePath; 9736 // Drop the suffix right away 9737 if (subStr.endsWith(suffix)) { 9738 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9739 } 9740 // If oldCodePath already contains prefix find out the 9741 // ending index to either increment or decrement. 9742 int sidx = subStr.lastIndexOf(prefix); 9743 if (sidx != -1) { 9744 subStr = subStr.substring(sidx + prefix.length()); 9745 if (subStr != null) { 9746 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9747 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9748 } 9749 try { 9750 idx = Integer.parseInt(subStr); 9751 if (idx <= 1) { 9752 idx++; 9753 } else { 9754 idx--; 9755 } 9756 } catch(NumberFormatException e) { 9757 } 9758 } 9759 } 9760 } 9761 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9762 return prefix + idxStr; 9763 } 9764 9765 // Utility method used to ignore ADD/REMOVE events 9766 // by directory observer. 9767 private static boolean ignoreCodePath(String fullPathStr) { 9768 String apkName = getApkName(fullPathStr); 9769 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9770 if (idx != -1 && ((idx+1) < apkName.length())) { 9771 // Make sure the package ends with a numeral 9772 String version = apkName.substring(idx+1); 9773 try { 9774 Integer.parseInt(version); 9775 return true; 9776 } catch (NumberFormatException e) {} 9777 } 9778 return false; 9779 } 9780 9781 // Utility method that returns the relative package path with respect 9782 // to the installation directory. Like say for /data/data/com.test-1.apk 9783 // string com.test-1 is returned. 9784 static String getApkName(String codePath) { 9785 if (codePath == null) { 9786 return null; 9787 } 9788 int sidx = codePath.lastIndexOf("/"); 9789 int eidx = codePath.lastIndexOf("."); 9790 if (eidx == -1) { 9791 eidx = codePath.length(); 9792 } else if (eidx == 0) { 9793 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9794 return null; 9795 } 9796 return codePath.substring(sidx+1, eidx); 9797 } 9798 9799 class PackageInstalledInfo { 9800 String name; 9801 int uid; 9802 // The set of users that originally had this package installed. 9803 int[] origUsers; 9804 // The set of users that now have this package installed. 9805 int[] newUsers; 9806 PackageParser.Package pkg; 9807 int returnCode; 9808 PackageRemovedInfo removedInfo; 9809 9810 // In some error cases we want to convey more info back to the observer 9811 String origPackage; 9812 String origPermission; 9813 } 9814 9815 /* 9816 * Install a non-existing package. 9817 */ 9818 private void installNewPackageLI(PackageParser.Package pkg, 9819 int parseFlags, int scanMode, UserHandle user, 9820 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9821 // Remember this for later, in case we need to rollback this install 9822 String pkgName = pkg.packageName; 9823 9824 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9825 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9826 synchronized(mPackages) { 9827 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9828 // A package with the same name is already installed, though 9829 // it has been renamed to an older name. The package we 9830 // are trying to install should be installed as an update to 9831 // the existing one, but that has not been requested, so bail. 9832 Slog.w(TAG, "Attempt to re-install " + pkgName 9833 + " without first uninstalling package running as " 9834 + mSettings.mRenamedPackages.get(pkgName)); 9835 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9836 return; 9837 } 9838 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9839 // Don't allow installation over an existing package with the same name. 9840 Slog.w(TAG, "Attempt to re-install " + pkgName 9841 + " without first uninstalling."); 9842 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9843 return; 9844 } 9845 } 9846 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9847 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9848 System.currentTimeMillis(), user, abiOverride); 9849 if (newPackage == null) { 9850 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9851 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9852 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9853 } 9854 } else { 9855 updateSettingsLI(newPackage, 9856 installerPackageName, 9857 null, null, 9858 res); 9859 // delete the partially installed application. the data directory will have to be 9860 // restored if it was already existing 9861 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9862 // remove package from internal structures. Note that we want deletePackageX to 9863 // delete the package data and cache directories that it created in 9864 // scanPackageLocked, unless those directories existed before we even tried to 9865 // install. 9866 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9867 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9868 res.removedInfo, true); 9869 } 9870 } 9871 } 9872 9873 private void replacePackageLI(PackageParser.Package pkg, 9874 int parseFlags, int scanMode, UserHandle user, 9875 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9876 9877 PackageParser.Package oldPackage; 9878 String pkgName = pkg.packageName; 9879 int[] allUsers; 9880 boolean[] perUserInstalled; 9881 9882 // First find the old package info and check signatures 9883 synchronized(mPackages) { 9884 oldPackage = mPackages.get(pkgName); 9885 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9886 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9887 != PackageManager.SIGNATURE_MATCH) { 9888 Slog.w(TAG, "New package has a different signature: " + pkgName); 9889 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9890 return; 9891 } 9892 9893 // In case of rollback, remember per-user/profile install state 9894 PackageSetting ps = mSettings.mPackages.get(pkgName); 9895 allUsers = sUserManager.getUserIds(); 9896 perUserInstalled = new boolean[allUsers.length]; 9897 for (int i = 0; i < allUsers.length; i++) { 9898 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9899 } 9900 } 9901 boolean sysPkg = (isSystemApp(oldPackage)); 9902 if (sysPkg) { 9903 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9904 user, allUsers, perUserInstalled, installerPackageName, res, 9905 abiOverride); 9906 } else { 9907 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9908 user, allUsers, perUserInstalled, installerPackageName, res, 9909 abiOverride); 9910 } 9911 } 9912 9913 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9914 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9915 int[] allUsers, boolean[] perUserInstalled, 9916 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9917 PackageParser.Package newPackage = null; 9918 String pkgName = deletedPackage.packageName; 9919 boolean deletedPkg = true; 9920 boolean updatedSettings = false; 9921 9922 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9923 + deletedPackage); 9924 long origUpdateTime; 9925 if (pkg.mExtras != null) { 9926 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9927 } else { 9928 origUpdateTime = 0; 9929 } 9930 9931 // First delete the existing package while retaining the data directory 9932 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9933 res.removedInfo, true)) { 9934 // If the existing package wasn't successfully deleted 9935 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9936 deletedPkg = false; 9937 } else { 9938 // Successfully deleted the old package. Now proceed with re-installation 9939 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9940 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9941 System.currentTimeMillis(), user, abiOverride); 9942 if (newPackage == null) { 9943 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9944 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9945 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9946 } 9947 } else { 9948 updateSettingsLI(newPackage, 9949 installerPackageName, 9950 allUsers, perUserInstalled, 9951 res); 9952 updatedSettings = true; 9953 } 9954 } 9955 9956 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9957 // remove package from internal structures. Note that we want deletePackageX to 9958 // delete the package data and cache directories that it created in 9959 // scanPackageLocked, unless those directories existed before we even tried to 9960 // install. 9961 if(updatedSettings) { 9962 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9963 deletePackageLI( 9964 pkgName, null, true, allUsers, perUserInstalled, 9965 PackageManager.DELETE_KEEP_DATA, 9966 res.removedInfo, true); 9967 } 9968 // Since we failed to install the new package we need to restore the old 9969 // package that we deleted. 9970 if (deletedPkg) { 9971 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9972 File restoreFile = new File(deletedPackage.mPath); 9973 // Parse old package 9974 boolean oldOnSd = isExternal(deletedPackage); 9975 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9976 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9977 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9978 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9979 | SCAN_UPDATE_TIME; 9980 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9981 origUpdateTime, null, null) == null) { 9982 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9983 return; 9984 } 9985 // Restore of old package succeeded. Update permissions. 9986 // writer 9987 synchronized (mPackages) { 9988 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9989 UPDATE_PERMISSIONS_ALL); 9990 // can downgrade to reader 9991 mSettings.writeLPr(); 9992 } 9993 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9994 } 9995 } 9996 } 9997 9998 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9999 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10000 int[] allUsers, boolean[] perUserInstalled, 10001 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10002 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10003 + ", old=" + deletedPackage); 10004 PackageParser.Package newPackage = null; 10005 boolean updatedSettings = false; 10006 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 10007 PackageParser.PARSE_IS_SYSTEM; 10008 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10009 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10010 } 10011 String packageName = deletedPackage.packageName; 10012 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10013 if (packageName == null) { 10014 Slog.w(TAG, "Attempt to delete null packageName."); 10015 return; 10016 } 10017 PackageParser.Package oldPkg; 10018 PackageSetting oldPkgSetting; 10019 // reader 10020 synchronized (mPackages) { 10021 oldPkg = mPackages.get(packageName); 10022 oldPkgSetting = mSettings.mPackages.get(packageName); 10023 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10024 (oldPkgSetting == null)) { 10025 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 10026 return; 10027 } 10028 } 10029 10030 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10031 10032 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10033 res.removedInfo.removedPackage = packageName; 10034 // Remove existing system package 10035 removePackageLI(oldPkgSetting, true); 10036 // writer 10037 synchronized (mPackages) { 10038 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10039 // We didn't need to disable the .apk as a current system package, 10040 // which means we are replacing another update that is already 10041 // installed. We need to make sure to delete the older one's .apk. 10042 res.removedInfo.args = createInstallArgs(0, 10043 deletedPackage.applicationInfo.sourceDir, 10044 deletedPackage.applicationInfo.publicSourceDir, 10045 deletedPackage.applicationInfo.nativeLibraryDir, 10046 getAppInstructionSet(deletedPackage.applicationInfo)); 10047 } else { 10048 res.removedInfo.args = null; 10049 } 10050 } 10051 10052 // Successfully disabled the old package. Now proceed with re-installation 10053 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10054 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10055 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10056 if (newPackage == null) { 10057 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 10058 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10059 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10060 } 10061 } else { 10062 if (newPackage.mExtras != null) { 10063 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10064 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10065 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10066 10067 // is the update attempting to change shared user? that isn't going to work... 10068 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10069 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10070 + " to " + newPkgSetting.sharedUser); 10071 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10072 updatedSettings = true; 10073 } 10074 } 10075 10076 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10077 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10078 updatedSettings = true; 10079 } 10080 } 10081 10082 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10083 // Re installation failed. Restore old information 10084 // Remove new pkg information 10085 if (newPackage != null) { 10086 removeInstalledPackageLI(newPackage, true); 10087 } 10088 // Add back the old system package 10089 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10090 // Restore the old system information in Settings 10091 synchronized(mPackages) { 10092 if (updatedSettings) { 10093 mSettings.enableSystemPackageLPw(packageName); 10094 mSettings.setInstallerPackageName(packageName, 10095 oldPkgSetting.installerPackageName); 10096 } 10097 mSettings.writeLPr(); 10098 } 10099 } 10100 } 10101 10102 // Utility method used to move dex files during install. 10103 private int moveDexFilesLI(PackageParser.Package newPackage) { 10104 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10105 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 10106 int retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath, 10107 instructionSet); 10108 if (retCode != 0) { 10109 /* 10110 * Programs may be lazily run through dexopt, so the 10111 * source may not exist. However, something seems to 10112 * have gone wrong, so note that dexopt needs to be 10113 * run again and remove the source file. In addition, 10114 * remove the target to make sure there isn't a stale 10115 * file from a previous version of the package. 10116 */ 10117 newPackage.mDexOptNeeded = true; 10118 mInstaller.rmdex(newPackage.mScanPath, instructionSet); 10119 mInstaller.rmdex(newPackage.mPath, instructionSet); 10120 } 10121 } 10122 return PackageManager.INSTALL_SUCCEEDED; 10123 } 10124 10125 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10126 int[] allUsers, boolean[] perUserInstalled, 10127 PackageInstalledInfo res) { 10128 String pkgName = newPackage.packageName; 10129 synchronized (mPackages) { 10130 //write settings. the installStatus will be incomplete at this stage. 10131 //note that the new package setting would have already been 10132 //added to mPackages. It hasn't been persisted yet. 10133 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10134 mSettings.writeLPr(); 10135 } 10136 10137 if ((res.returnCode = moveDexFilesLI(newPackage)) 10138 != PackageManager.INSTALL_SUCCEEDED) { 10139 // Discontinue if moving dex files failed. 10140 return; 10141 } 10142 10143 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 10144 10145 synchronized (mPackages) { 10146 updatePermissionsLPw(newPackage.packageName, newPackage, 10147 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10148 ? UPDATE_PERMISSIONS_ALL : 0)); 10149 // For system-bundled packages, we assume that installing an upgraded version 10150 // of the package implies that the user actually wants to run that new code, 10151 // so we enable the package. 10152 if (isSystemApp(newPackage)) { 10153 // NB: implicit assumption that system package upgrades apply to all users 10154 if (DEBUG_INSTALL) { 10155 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10156 } 10157 PackageSetting ps = mSettings.mPackages.get(pkgName); 10158 if (ps != null) { 10159 if (res.origUsers != null) { 10160 for (int userHandle : res.origUsers) { 10161 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10162 userHandle, installerPackageName); 10163 } 10164 } 10165 // Also convey the prior install/uninstall state 10166 if (allUsers != null && perUserInstalled != null) { 10167 for (int i = 0; i < allUsers.length; i++) { 10168 if (DEBUG_INSTALL) { 10169 Slog.d(TAG, " user " + allUsers[i] 10170 + " => " + perUserInstalled[i]); 10171 } 10172 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10173 } 10174 // these install state changes will be persisted in the 10175 // upcoming call to mSettings.writeLPr(). 10176 } 10177 } 10178 } 10179 res.name = pkgName; 10180 res.uid = newPackage.applicationInfo.uid; 10181 res.pkg = newPackage; 10182 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10183 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10184 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10185 //to update install status 10186 mSettings.writeLPr(); 10187 } 10188 } 10189 10190 private void installPackageLI(InstallArgs args, 10191 boolean newInstall, PackageInstalledInfo res) { 10192 int pFlags = args.flags; 10193 String installerPackageName = args.installerPackageName; 10194 File tmpPackageFile = new File(args.getCodePath()); 10195 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10196 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10197 boolean replace = false; 10198 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10199 | (newInstall ? SCAN_NEW_INSTALL : 0); 10200 // Result object to be returned 10201 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10202 10203 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10204 // Retrieve PackageSettings and parse package 10205 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10206 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10207 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10208 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 10209 pp.setSeparateProcesses(mSeparateProcesses); 10210 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 10211 null, mMetrics, parseFlags); 10212 if (pkg == null) { 10213 res.returnCode = pp.getParseError(); 10214 return; 10215 } 10216 String pkgName = res.name = pkg.packageName; 10217 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10218 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10219 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10220 return; 10221 } 10222 } 10223 if (!pp.collectCertificates(pkg, parseFlags)) { 10224 res.returnCode = pp.getParseError(); 10225 return; 10226 } 10227 10228 /* If the installer passed in a manifest digest, compare it now. */ 10229 if (args.manifestDigest != null) { 10230 if (DEBUG_INSTALL) { 10231 final String parsedManifest = pkg.manifestDigest == null ? "null" 10232 : pkg.manifestDigest.toString(); 10233 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10234 + parsedManifest); 10235 } 10236 10237 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10238 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10239 return; 10240 } 10241 } else if (DEBUG_INSTALL) { 10242 final String parsedManifest = pkg.manifestDigest == null 10243 ? "null" : pkg.manifestDigest.toString(); 10244 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10245 } 10246 10247 // Get rid of all references to package scan path via parser. 10248 pp = null; 10249 String oldCodePath = null; 10250 boolean systemApp = false; 10251 synchronized (mPackages) { 10252 // Check whether the newly-scanned package wants to define an already-defined perm 10253 int N = pkg.permissions.size(); 10254 for (int i = 0; i < N; i++) { 10255 PackageParser.Permission perm = pkg.permissions.get(i); 10256 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10257 if (bp != null) { 10258 // If the defining package is signed with our cert, it's okay. This 10259 // also includes the "updating the same package" case, of course. 10260 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10261 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10262 Slog.w(TAG, "Package " + pkg.packageName 10263 + " attempting to redeclare permission " + perm.info.name 10264 + " already owned by " + bp.sourcePackage); 10265 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10266 res.origPermission = perm.info.name; 10267 res.origPackage = bp.sourcePackage; 10268 return; 10269 } 10270 } 10271 } 10272 10273 // Check if installing already existing package 10274 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10275 String oldName = mSettings.mRenamedPackages.get(pkgName); 10276 if (pkg.mOriginalPackages != null 10277 && pkg.mOriginalPackages.contains(oldName) 10278 && mPackages.containsKey(oldName)) { 10279 // This package is derived from an original package, 10280 // and this device has been updating from that original 10281 // name. We must continue using the original name, so 10282 // rename the new package here. 10283 pkg.setPackageName(oldName); 10284 pkgName = pkg.packageName; 10285 replace = true; 10286 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10287 + oldName + " pkgName=" + pkgName); 10288 } else if (mPackages.containsKey(pkgName)) { 10289 // This package, under its official name, already exists 10290 // on the device; we should replace it. 10291 replace = true; 10292 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10293 } 10294 } 10295 PackageSetting ps = mSettings.mPackages.get(pkgName); 10296 if (ps != null) { 10297 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10298 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10299 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10300 systemApp = (ps.pkg.applicationInfo.flags & 10301 ApplicationInfo.FLAG_SYSTEM) != 0; 10302 } 10303 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10304 } 10305 } 10306 10307 if (systemApp && onSd) { 10308 // Disable updates to system apps on sdcard 10309 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10310 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10311 return; 10312 } 10313 10314 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10315 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10316 return; 10317 } 10318 // Set application objects path explicitly after the rename 10319 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 10320 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10321 if (replace) { 10322 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10323 installerPackageName, res, args.abiOverride); 10324 } else { 10325 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10326 installerPackageName, res, args.abiOverride); 10327 } 10328 synchronized (mPackages) { 10329 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10330 if (ps != null) { 10331 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10332 } 10333 } 10334 } 10335 10336 private static boolean isForwardLocked(PackageParser.Package pkg) { 10337 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10338 } 10339 10340 10341 private boolean isForwardLocked(PackageSetting ps) { 10342 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10343 } 10344 10345 private static boolean isExternal(PackageParser.Package pkg) { 10346 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10347 } 10348 10349 private static boolean isExternal(PackageSetting ps) { 10350 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10351 } 10352 10353 private static boolean isSystemApp(PackageParser.Package pkg) { 10354 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10355 } 10356 10357 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10358 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10359 } 10360 10361 private static boolean isSystemApp(ApplicationInfo info) { 10362 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10363 } 10364 10365 private static boolean isSystemApp(PackageSetting ps) { 10366 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10367 } 10368 10369 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10370 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10371 } 10372 10373 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10374 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10375 } 10376 10377 private int packageFlagsToInstallFlags(PackageSetting ps) { 10378 int installFlags = 0; 10379 if (isExternal(ps)) { 10380 installFlags |= PackageManager.INSTALL_EXTERNAL; 10381 } 10382 if (isForwardLocked(ps)) { 10383 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10384 } 10385 return installFlags; 10386 } 10387 10388 private void deleteTempPackageFiles() { 10389 final FilenameFilter filter = new FilenameFilter() { 10390 public boolean accept(File dir, String name) { 10391 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10392 } 10393 }; 10394 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10395 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10396 } 10397 10398 private static final void deleteTempPackageFilesInDirectory(File directory, 10399 FilenameFilter filter) { 10400 final String[] tmpFilesList = directory.list(filter); 10401 if (tmpFilesList == null) { 10402 return; 10403 } 10404 for (int i = 0; i < tmpFilesList.length; i++) { 10405 final File tmpFile = new File(directory, tmpFilesList[i]); 10406 tmpFile.delete(); 10407 } 10408 } 10409 10410 private File createTempPackageFile(File installDir) { 10411 File tmpPackageFile; 10412 try { 10413 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10414 } catch (IOException e) { 10415 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10416 return null; 10417 } 10418 try { 10419 FileUtils.setPermissions( 10420 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10421 -1, -1); 10422 if (!SELinux.restorecon(tmpPackageFile)) { 10423 return null; 10424 } 10425 } catch (IOException e) { 10426 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10427 return null; 10428 } 10429 return tmpPackageFile; 10430 } 10431 10432 @Override 10433 public void deletePackageAsUser(final String packageName, 10434 final IPackageDeleteObserver observer, 10435 final int userId, final int flags) { 10436 mContext.enforceCallingOrSelfPermission( 10437 android.Manifest.permission.DELETE_PACKAGES, null); 10438 final int uid = Binder.getCallingUid(); 10439 if (UserHandle.getUserId(uid) != userId) { 10440 mContext.enforceCallingPermission( 10441 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10442 "deletePackage for user " + userId); 10443 } 10444 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10445 try { 10446 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10447 } catch (RemoteException re) { 10448 } 10449 return; 10450 } 10451 10452 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10453 // Queue up an async operation since the package deletion may take a little while. 10454 mHandler.post(new Runnable() { 10455 public void run() { 10456 mHandler.removeCallbacks(this); 10457 final int returnCode = deletePackageX(packageName, userId, flags); 10458 if (observer != null) { 10459 try { 10460 observer.packageDeleted(packageName, returnCode); 10461 } catch (RemoteException e) { 10462 Log.i(TAG, "Observer no longer exists."); 10463 } //end catch 10464 } //end if 10465 } //end run 10466 }); 10467 } 10468 10469 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10470 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10471 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10472 try { 10473 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10474 || dpm.isDeviceOwner(packageName))) { 10475 return true; 10476 } 10477 } catch (RemoteException e) { 10478 } 10479 return false; 10480 } 10481 10482 /** 10483 * This method is an internal method that could be get invoked either 10484 * to delete an installed package or to clean up a failed installation. 10485 * After deleting an installed package, a broadcast is sent to notify any 10486 * listeners that the package has been installed. For cleaning up a failed 10487 * installation, the broadcast is not necessary since the package's 10488 * installation wouldn't have sent the initial broadcast either 10489 * The key steps in deleting a package are 10490 * deleting the package information in internal structures like mPackages, 10491 * deleting the packages base directories through installd 10492 * updating mSettings to reflect current status 10493 * persisting settings for later use 10494 * sending a broadcast if necessary 10495 */ 10496 private int deletePackageX(String packageName, int userId, int flags) { 10497 final PackageRemovedInfo info = new PackageRemovedInfo(); 10498 final boolean res; 10499 10500 if (isPackageDeviceAdmin(packageName, userId)) { 10501 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10502 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10503 } 10504 10505 boolean removedForAllUsers = false; 10506 boolean systemUpdate = false; 10507 10508 // for the uninstall-updates case and restricted profiles, remember the per- 10509 // userhandle installed state 10510 int[] allUsers; 10511 boolean[] perUserInstalled; 10512 synchronized (mPackages) { 10513 PackageSetting ps = mSettings.mPackages.get(packageName); 10514 allUsers = sUserManager.getUserIds(); 10515 perUserInstalled = new boolean[allUsers.length]; 10516 for (int i = 0; i < allUsers.length; i++) { 10517 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10518 } 10519 } 10520 10521 synchronized (mInstallLock) { 10522 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10523 res = deletePackageLI(packageName, 10524 (flags & PackageManager.DELETE_ALL_USERS) != 0 10525 ? UserHandle.ALL : new UserHandle(userId), 10526 true, allUsers, perUserInstalled, 10527 flags | REMOVE_CHATTY, info, true); 10528 systemUpdate = info.isRemovedPackageSystemUpdate; 10529 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10530 removedForAllUsers = true; 10531 } 10532 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10533 + " removedForAllUsers=" + removedForAllUsers); 10534 } 10535 10536 if (res) { 10537 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10538 10539 // If the removed package was a system update, the old system package 10540 // was re-enabled; we need to broadcast this information 10541 if (systemUpdate) { 10542 Bundle extras = new Bundle(1); 10543 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10544 ? info.removedAppId : info.uid); 10545 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10546 10547 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10548 extras, null, null, null); 10549 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10550 extras, null, null, null); 10551 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10552 null, packageName, null, null); 10553 } 10554 } 10555 // Force a gc here. 10556 Runtime.getRuntime().gc(); 10557 // Delete the resources here after sending the broadcast to let 10558 // other processes clean up before deleting resources. 10559 if (info.args != null) { 10560 synchronized (mInstallLock) { 10561 info.args.doPostDeleteLI(true); 10562 } 10563 } 10564 10565 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10566 } 10567 10568 static class PackageRemovedInfo { 10569 String removedPackage; 10570 int uid = -1; 10571 int removedAppId = -1; 10572 int[] removedUsers = null; 10573 boolean isRemovedPackageSystemUpdate = false; 10574 // Clean up resources deleted packages. 10575 InstallArgs args = null; 10576 10577 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10578 Bundle extras = new Bundle(1); 10579 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10580 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10581 if (replacing) { 10582 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10583 } 10584 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10585 if (removedPackage != null) { 10586 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10587 extras, null, null, removedUsers); 10588 if (fullRemove && !replacing) { 10589 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10590 extras, null, null, removedUsers); 10591 } 10592 } 10593 if (removedAppId >= 0) { 10594 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10595 removedUsers); 10596 } 10597 } 10598 } 10599 10600 /* 10601 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10602 * flag is not set, the data directory is removed as well. 10603 * make sure this flag is set for partially installed apps. If not its meaningless to 10604 * delete a partially installed application. 10605 */ 10606 private void removePackageDataLI(PackageSetting ps, 10607 int[] allUserHandles, boolean[] perUserInstalled, 10608 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10609 String packageName = ps.name; 10610 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10611 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10612 // Retrieve object to delete permissions for shared user later on 10613 final PackageSetting deletedPs; 10614 // reader 10615 synchronized (mPackages) { 10616 deletedPs = mSettings.mPackages.get(packageName); 10617 if (outInfo != null) { 10618 outInfo.removedPackage = packageName; 10619 outInfo.removedUsers = deletedPs != null 10620 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10621 : null; 10622 } 10623 } 10624 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10625 removeDataDirsLI(packageName); 10626 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10627 } 10628 // writer 10629 synchronized (mPackages) { 10630 if (deletedPs != null) { 10631 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10632 if (outInfo != null) { 10633 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10634 } 10635 if (deletedPs != null) { 10636 updatePermissionsLPw(deletedPs.name, null, 0); 10637 if (deletedPs.sharedUser != null) { 10638 // remove permissions associated with package 10639 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10640 } 10641 } 10642 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10643 } 10644 // make sure to preserve per-user disabled state if this removal was just 10645 // a downgrade of a system app to the factory package 10646 if (allUserHandles != null && perUserInstalled != null) { 10647 if (DEBUG_REMOVE) { 10648 Slog.d(TAG, "Propagating install state across downgrade"); 10649 } 10650 for (int i = 0; i < allUserHandles.length; i++) { 10651 if (DEBUG_REMOVE) { 10652 Slog.d(TAG, " user " + allUserHandles[i] 10653 + " => " + perUserInstalled[i]); 10654 } 10655 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10656 } 10657 } 10658 } 10659 // can downgrade to reader 10660 if (writeSettings) { 10661 // Save settings now 10662 mSettings.writeLPr(); 10663 } 10664 } 10665 if (outInfo != null) { 10666 // A user ID was deleted here. Go through all users and remove it 10667 // from KeyStore. 10668 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10669 } 10670 } 10671 10672 static boolean locationIsPrivileged(File path) { 10673 try { 10674 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10675 .getCanonicalPath(); 10676 return path.getCanonicalPath().startsWith(privilegedAppDir); 10677 } catch (IOException e) { 10678 Slog.e(TAG, "Unable to access code path " + path); 10679 } 10680 return false; 10681 } 10682 10683 /* 10684 * Tries to delete system package. 10685 */ 10686 private boolean deleteSystemPackageLI(PackageSetting newPs, 10687 int[] allUserHandles, boolean[] perUserInstalled, 10688 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10689 final boolean applyUserRestrictions 10690 = (allUserHandles != null) && (perUserInstalled != null); 10691 PackageSetting disabledPs = null; 10692 // Confirm if the system package has been updated 10693 // An updated system app can be deleted. This will also have to restore 10694 // the system pkg from system partition 10695 // reader 10696 synchronized (mPackages) { 10697 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10698 } 10699 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10700 + " disabledPs=" + disabledPs); 10701 if (disabledPs == null) { 10702 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10703 return false; 10704 } else if (DEBUG_REMOVE) { 10705 Slog.d(TAG, "Deleting system pkg from data partition"); 10706 } 10707 if (DEBUG_REMOVE) { 10708 if (applyUserRestrictions) { 10709 Slog.d(TAG, "Remembering install states:"); 10710 for (int i = 0; i < allUserHandles.length; i++) { 10711 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10712 } 10713 } 10714 } 10715 // Delete the updated package 10716 outInfo.isRemovedPackageSystemUpdate = true; 10717 if (disabledPs.versionCode < newPs.versionCode) { 10718 // Delete data for downgrades 10719 flags &= ~PackageManager.DELETE_KEEP_DATA; 10720 } else { 10721 // Preserve data by setting flag 10722 flags |= PackageManager.DELETE_KEEP_DATA; 10723 } 10724 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10725 allUserHandles, perUserInstalled, outInfo, writeSettings); 10726 if (!ret) { 10727 return false; 10728 } 10729 // writer 10730 synchronized (mPackages) { 10731 // Reinstate the old system package 10732 mSettings.enableSystemPackageLPw(newPs.name); 10733 // Remove any native libraries from the upgraded package. 10734 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10735 } 10736 // Install the system package 10737 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10738 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10739 if (locationIsPrivileged(disabledPs.codePath)) { 10740 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10741 } 10742 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10743 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10744 10745 if (newPkg == null) { 10746 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10747 + " with error:" + mLastScanError); 10748 return false; 10749 } 10750 // writer 10751 synchronized (mPackages) { 10752 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10753 setInternalAppNativeLibraryPath(newPkg, ps); 10754 updatePermissionsLPw(newPkg.packageName, newPkg, 10755 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10756 if (applyUserRestrictions) { 10757 if (DEBUG_REMOVE) { 10758 Slog.d(TAG, "Propagating install state across reinstall"); 10759 } 10760 for (int i = 0; i < allUserHandles.length; i++) { 10761 if (DEBUG_REMOVE) { 10762 Slog.d(TAG, " user " + allUserHandles[i] 10763 + " => " + perUserInstalled[i]); 10764 } 10765 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10766 } 10767 // Regardless of writeSettings we need to ensure that this restriction 10768 // state propagation is persisted 10769 mSettings.writeAllUsersPackageRestrictionsLPr(); 10770 } 10771 // can downgrade to reader here 10772 if (writeSettings) { 10773 mSettings.writeLPr(); 10774 } 10775 } 10776 return true; 10777 } 10778 10779 private boolean deleteInstalledPackageLI(PackageSetting ps, 10780 boolean deleteCodeAndResources, int flags, 10781 int[] allUserHandles, boolean[] perUserInstalled, 10782 PackageRemovedInfo outInfo, boolean writeSettings) { 10783 if (outInfo != null) { 10784 outInfo.uid = ps.appId; 10785 } 10786 10787 // Delete package data from internal structures and also remove data if flag is set 10788 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10789 10790 // Delete application code and resources 10791 if (deleteCodeAndResources && (outInfo != null)) { 10792 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10793 ps.resourcePathString, ps.nativeLibraryPathString, 10794 getAppInstructionSetFromSettings(ps)); 10795 } 10796 return true; 10797 } 10798 10799 /* 10800 * This method handles package deletion in general 10801 */ 10802 private boolean deletePackageLI(String packageName, UserHandle user, 10803 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10804 int flags, PackageRemovedInfo outInfo, 10805 boolean writeSettings) { 10806 if (packageName == null) { 10807 Slog.w(TAG, "Attempt to delete null packageName."); 10808 return false; 10809 } 10810 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10811 PackageSetting ps; 10812 boolean dataOnly = false; 10813 int removeUser = -1; 10814 int appId = -1; 10815 synchronized (mPackages) { 10816 ps = mSettings.mPackages.get(packageName); 10817 if (ps == null) { 10818 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10819 return false; 10820 } 10821 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10822 && user.getIdentifier() != UserHandle.USER_ALL) { 10823 // The caller is asking that the package only be deleted for a single 10824 // user. To do this, we just mark its uninstalled state and delete 10825 // its data. If this is a system app, we only allow this to happen if 10826 // they have set the special DELETE_SYSTEM_APP which requests different 10827 // semantics than normal for uninstalling system apps. 10828 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10829 ps.setUserState(user.getIdentifier(), 10830 COMPONENT_ENABLED_STATE_DEFAULT, 10831 false, //installed 10832 true, //stopped 10833 true, //notLaunched 10834 false, //blocked 10835 null, null, null); 10836 if (!isSystemApp(ps)) { 10837 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10838 // Other user still have this package installed, so all 10839 // we need to do is clear this user's data and save that 10840 // it is uninstalled. 10841 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10842 removeUser = user.getIdentifier(); 10843 appId = ps.appId; 10844 mSettings.writePackageRestrictionsLPr(removeUser); 10845 } else { 10846 // We need to set it back to 'installed' so the uninstall 10847 // broadcasts will be sent correctly. 10848 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10849 ps.setInstalled(true, user.getIdentifier()); 10850 } 10851 } else { 10852 // This is a system app, so we assume that the 10853 // other users still have this package installed, so all 10854 // we need to do is clear this user's data and save that 10855 // it is uninstalled. 10856 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10857 removeUser = user.getIdentifier(); 10858 appId = ps.appId; 10859 mSettings.writePackageRestrictionsLPr(removeUser); 10860 } 10861 } 10862 } 10863 10864 if (removeUser >= 0) { 10865 // From above, we determined that we are deleting this only 10866 // for a single user. Continue the work here. 10867 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10868 if (outInfo != null) { 10869 outInfo.removedPackage = packageName; 10870 outInfo.removedAppId = appId; 10871 outInfo.removedUsers = new int[] {removeUser}; 10872 } 10873 mInstaller.clearUserData(packageName, removeUser); 10874 removeKeystoreDataIfNeeded(removeUser, appId); 10875 schedulePackageCleaning(packageName, removeUser, false); 10876 return true; 10877 } 10878 10879 if (dataOnly) { 10880 // Delete application data first 10881 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10882 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10883 return true; 10884 } 10885 10886 boolean ret = false; 10887 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10888 if (isSystemApp(ps)) { 10889 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10890 // When an updated system application is deleted we delete the existing resources as well and 10891 // fall back to existing code in system partition 10892 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10893 flags, outInfo, writeSettings); 10894 } else { 10895 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10896 // Kill application pre-emptively especially for apps on sd. 10897 killApplication(packageName, ps.appId, "uninstall pkg"); 10898 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10899 allUserHandles, perUserInstalled, 10900 outInfo, writeSettings); 10901 } 10902 10903 return ret; 10904 } 10905 10906 private final class ClearStorageConnection implements ServiceConnection { 10907 IMediaContainerService mContainerService; 10908 10909 @Override 10910 public void onServiceConnected(ComponentName name, IBinder service) { 10911 synchronized (this) { 10912 mContainerService = IMediaContainerService.Stub.asInterface(service); 10913 notifyAll(); 10914 } 10915 } 10916 10917 @Override 10918 public void onServiceDisconnected(ComponentName name) { 10919 } 10920 } 10921 10922 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10923 final boolean mounted; 10924 if (Environment.isExternalStorageEmulated()) { 10925 mounted = true; 10926 } else { 10927 final String status = Environment.getExternalStorageState(); 10928 10929 mounted = status.equals(Environment.MEDIA_MOUNTED) 10930 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10931 } 10932 10933 if (!mounted) { 10934 return; 10935 } 10936 10937 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10938 int[] users; 10939 if (userId == UserHandle.USER_ALL) { 10940 users = sUserManager.getUserIds(); 10941 } else { 10942 users = new int[] { userId }; 10943 } 10944 final ClearStorageConnection conn = new ClearStorageConnection(); 10945 if (mContext.bindServiceAsUser( 10946 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10947 try { 10948 for (int curUser : users) { 10949 long timeout = SystemClock.uptimeMillis() + 5000; 10950 synchronized (conn) { 10951 long now = SystemClock.uptimeMillis(); 10952 while (conn.mContainerService == null && now < timeout) { 10953 try { 10954 conn.wait(timeout - now); 10955 } catch (InterruptedException e) { 10956 } 10957 } 10958 } 10959 if (conn.mContainerService == null) { 10960 return; 10961 } 10962 10963 final UserEnvironment userEnv = new UserEnvironment(curUser); 10964 clearDirectory(conn.mContainerService, 10965 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10966 if (allData) { 10967 clearDirectory(conn.mContainerService, 10968 userEnv.buildExternalStorageAppDataDirs(packageName)); 10969 clearDirectory(conn.mContainerService, 10970 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10971 } 10972 } 10973 } finally { 10974 mContext.unbindService(conn); 10975 } 10976 } 10977 } 10978 10979 @Override 10980 public void clearApplicationUserData(final String packageName, 10981 final IPackageDataObserver observer, final int userId) { 10982 mContext.enforceCallingOrSelfPermission( 10983 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10984 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10985 // Queue up an async operation since the package deletion may take a little while. 10986 mHandler.post(new Runnable() { 10987 public void run() { 10988 mHandler.removeCallbacks(this); 10989 final boolean succeeded; 10990 synchronized (mInstallLock) { 10991 succeeded = clearApplicationUserDataLI(packageName, userId); 10992 } 10993 clearExternalStorageDataSync(packageName, userId, true); 10994 if (succeeded) { 10995 // invoke DeviceStorageMonitor's update method to clear any notifications 10996 DeviceStorageMonitorInternal 10997 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10998 if (dsm != null) { 10999 dsm.checkMemory(); 11000 } 11001 } 11002 if(observer != null) { 11003 try { 11004 observer.onRemoveCompleted(packageName, succeeded); 11005 } catch (RemoteException e) { 11006 Log.i(TAG, "Observer no longer exists."); 11007 } 11008 } //end if observer 11009 } //end run 11010 }); 11011 } 11012 11013 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11014 if (packageName == null) { 11015 Slog.w(TAG, "Attempt to delete null packageName."); 11016 return false; 11017 } 11018 PackageParser.Package p; 11019 boolean dataOnly = false; 11020 final int appId; 11021 synchronized (mPackages) { 11022 p = mPackages.get(packageName); 11023 if (p == null) { 11024 dataOnly = true; 11025 PackageSetting ps = mSettings.mPackages.get(packageName); 11026 if ((ps == null) || (ps.pkg == null)) { 11027 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11028 return false; 11029 } 11030 p = ps.pkg; 11031 } 11032 if (!dataOnly) { 11033 // need to check this only for fully installed applications 11034 if (p == null) { 11035 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11036 return false; 11037 } 11038 final ApplicationInfo applicationInfo = p.applicationInfo; 11039 if (applicationInfo == null) { 11040 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11041 return false; 11042 } 11043 } 11044 if (p != null && p.applicationInfo != null) { 11045 appId = p.applicationInfo.uid; 11046 } else { 11047 appId = -1; 11048 } 11049 } 11050 int retCode = mInstaller.clearUserData(packageName, userId); 11051 if (retCode < 0) { 11052 Slog.w(TAG, "Couldn't remove cache files for package: " 11053 + packageName); 11054 return false; 11055 } 11056 removeKeystoreDataIfNeeded(userId, appId); 11057 return true; 11058 } 11059 11060 /** 11061 * Remove entries from the keystore daemon. Will only remove it if the 11062 * {@code appId} is valid. 11063 */ 11064 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11065 if (appId < 0) { 11066 return; 11067 } 11068 11069 final KeyStore keyStore = KeyStore.getInstance(); 11070 if (keyStore != null) { 11071 if (userId == UserHandle.USER_ALL) { 11072 for (final int individual : sUserManager.getUserIds()) { 11073 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11074 } 11075 } else { 11076 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11077 } 11078 } else { 11079 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11080 } 11081 } 11082 11083 @Override 11084 public void deleteApplicationCacheFiles(final String packageName, 11085 final IPackageDataObserver observer) { 11086 mContext.enforceCallingOrSelfPermission( 11087 android.Manifest.permission.DELETE_CACHE_FILES, null); 11088 // Queue up an async operation since the package deletion may take a little while. 11089 final int userId = UserHandle.getCallingUserId(); 11090 mHandler.post(new Runnable() { 11091 public void run() { 11092 mHandler.removeCallbacks(this); 11093 final boolean succeded; 11094 synchronized (mInstallLock) { 11095 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11096 } 11097 clearExternalStorageDataSync(packageName, userId, false); 11098 if(observer != null) { 11099 try { 11100 observer.onRemoveCompleted(packageName, succeded); 11101 } catch (RemoteException e) { 11102 Log.i(TAG, "Observer no longer exists."); 11103 } 11104 } //end if observer 11105 } //end run 11106 }); 11107 } 11108 11109 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11110 if (packageName == null) { 11111 Slog.w(TAG, "Attempt to delete null packageName."); 11112 return false; 11113 } 11114 PackageParser.Package p; 11115 synchronized (mPackages) { 11116 p = mPackages.get(packageName); 11117 } 11118 if (p == null) { 11119 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11120 return false; 11121 } 11122 final ApplicationInfo applicationInfo = p.applicationInfo; 11123 if (applicationInfo == null) { 11124 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11125 return false; 11126 } 11127 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11128 if (retCode < 0) { 11129 Slog.w(TAG, "Couldn't remove cache files for package: " 11130 + packageName + " u" + userId); 11131 return false; 11132 } 11133 return true; 11134 } 11135 11136 @Override 11137 public void getPackageSizeInfo(final String packageName, int userHandle, 11138 final IPackageStatsObserver observer) { 11139 mContext.enforceCallingOrSelfPermission( 11140 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11141 if (packageName == null) { 11142 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11143 } 11144 11145 PackageStats stats = new PackageStats(packageName, userHandle); 11146 11147 /* 11148 * Queue up an async operation since the package measurement may take a 11149 * little while. 11150 */ 11151 Message msg = mHandler.obtainMessage(INIT_COPY); 11152 msg.obj = new MeasureParams(stats, observer); 11153 mHandler.sendMessage(msg); 11154 } 11155 11156 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11157 PackageStats pStats) { 11158 if (packageName == null) { 11159 Slog.w(TAG, "Attempt to get size of null packageName."); 11160 return false; 11161 } 11162 PackageParser.Package p; 11163 boolean dataOnly = false; 11164 String libDirPath = null; 11165 String asecPath = null; 11166 PackageSetting ps = null; 11167 synchronized (mPackages) { 11168 p = mPackages.get(packageName); 11169 ps = mSettings.mPackages.get(packageName); 11170 if(p == null) { 11171 dataOnly = true; 11172 if((ps == null) || (ps.pkg == null)) { 11173 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11174 return false; 11175 } 11176 p = ps.pkg; 11177 } 11178 if (ps != null) { 11179 libDirPath = ps.nativeLibraryPathString; 11180 } 11181 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11182 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11183 if (secureContainerId != null) { 11184 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11185 } 11186 } 11187 } 11188 String publicSrcDir = null; 11189 if(!dataOnly) { 11190 final ApplicationInfo applicationInfo = p.applicationInfo; 11191 if (applicationInfo == null) { 11192 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11193 return false; 11194 } 11195 if (isForwardLocked(p)) { 11196 publicSrcDir = applicationInfo.publicSourceDir; 11197 } 11198 } 11199 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 11200 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11201 pStats); 11202 if (res < 0) { 11203 return false; 11204 } 11205 11206 // Fix-up for forward-locked applications in ASEC containers. 11207 if (!isExternal(p)) { 11208 pStats.codeSize += pStats.externalCodeSize; 11209 pStats.externalCodeSize = 0L; 11210 } 11211 11212 return true; 11213 } 11214 11215 11216 @Override 11217 public void addPackageToPreferred(String packageName) { 11218 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11219 } 11220 11221 @Override 11222 public void removePackageFromPreferred(String packageName) { 11223 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11224 } 11225 11226 @Override 11227 public List<PackageInfo> getPreferredPackages(int flags) { 11228 return new ArrayList<PackageInfo>(); 11229 } 11230 11231 private int getUidTargetSdkVersionLockedLPr(int uid) { 11232 Object obj = mSettings.getUserIdLPr(uid); 11233 if (obj instanceof SharedUserSetting) { 11234 final SharedUserSetting sus = (SharedUserSetting) obj; 11235 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11236 final Iterator<PackageSetting> it = sus.packages.iterator(); 11237 while (it.hasNext()) { 11238 final PackageSetting ps = it.next(); 11239 if (ps.pkg != null) { 11240 int v = ps.pkg.applicationInfo.targetSdkVersion; 11241 if (v < vers) vers = v; 11242 } 11243 } 11244 return vers; 11245 } else if (obj instanceof PackageSetting) { 11246 final PackageSetting ps = (PackageSetting) obj; 11247 if (ps.pkg != null) { 11248 return ps.pkg.applicationInfo.targetSdkVersion; 11249 } 11250 } 11251 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11252 } 11253 11254 @Override 11255 public void addPreferredActivity(IntentFilter filter, int match, 11256 ComponentName[] set, ComponentName activity, int userId) { 11257 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11258 } 11259 11260 private void addPreferredActivityInternal(IntentFilter filter, int match, 11261 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11262 // writer 11263 int callingUid = Binder.getCallingUid(); 11264 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11265 if (filter.countActions() == 0) { 11266 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11267 return; 11268 } 11269 synchronized (mPackages) { 11270 if (mContext.checkCallingOrSelfPermission( 11271 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11272 != PackageManager.PERMISSION_GRANTED) { 11273 if (getUidTargetSdkVersionLockedLPr(callingUid) 11274 < Build.VERSION_CODES.FROYO) { 11275 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11276 + callingUid); 11277 return; 11278 } 11279 mContext.enforceCallingOrSelfPermission( 11280 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11281 } 11282 11283 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11284 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11285 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11286 new PreferredActivity(filter, match, set, activity, always)); 11287 mSettings.writePackageRestrictionsLPr(userId); 11288 } 11289 } 11290 11291 @Override 11292 public void replacePreferredActivity(IntentFilter filter, int match, 11293 ComponentName[] set, ComponentName activity) { 11294 if (filter.countActions() != 1) { 11295 throw new IllegalArgumentException( 11296 "replacePreferredActivity expects filter to have only 1 action."); 11297 } 11298 if (filter.countDataAuthorities() != 0 11299 || filter.countDataPaths() != 0 11300 || filter.countDataSchemes() > 1 11301 || filter.countDataTypes() != 0) { 11302 throw new IllegalArgumentException( 11303 "replacePreferredActivity expects filter to have no data authorities, " + 11304 "paths, or types; and at most one scheme."); 11305 } 11306 synchronized (mPackages) { 11307 if (mContext.checkCallingOrSelfPermission( 11308 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11309 != PackageManager.PERMISSION_GRANTED) { 11310 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11311 < Build.VERSION_CODES.FROYO) { 11312 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11313 + Binder.getCallingUid()); 11314 return; 11315 } 11316 mContext.enforceCallingOrSelfPermission( 11317 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11318 } 11319 11320 final int callingUserId = UserHandle.getCallingUserId(); 11321 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11322 if (pir != null) { 11323 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11324 if (filter.countDataSchemes() == 1) { 11325 Uri.Builder builder = new Uri.Builder(); 11326 builder.scheme(filter.getDataScheme(0)); 11327 intent.setData(builder.build()); 11328 } 11329 List<PreferredActivity> matches = pir.queryIntent( 11330 intent, null, true, callingUserId); 11331 if (DEBUG_PREFERRED) { 11332 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11333 } 11334 for (int i = 0; i < matches.size(); i++) { 11335 PreferredActivity pa = matches.get(i); 11336 if (DEBUG_PREFERRED) { 11337 Slog.i(TAG, "Removing preferred activity " 11338 + pa.mPref.mComponent + ":"); 11339 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11340 } 11341 pir.removeFilter(pa); 11342 } 11343 } 11344 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11345 } 11346 } 11347 11348 @Override 11349 public void clearPackagePreferredActivities(String packageName) { 11350 final int uid = Binder.getCallingUid(); 11351 // writer 11352 synchronized (mPackages) { 11353 PackageParser.Package pkg = mPackages.get(packageName); 11354 if (pkg == null || pkg.applicationInfo.uid != uid) { 11355 if (mContext.checkCallingOrSelfPermission( 11356 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11357 != PackageManager.PERMISSION_GRANTED) { 11358 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11359 < Build.VERSION_CODES.FROYO) { 11360 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11361 + Binder.getCallingUid()); 11362 return; 11363 } 11364 mContext.enforceCallingOrSelfPermission( 11365 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11366 } 11367 } 11368 11369 int user = UserHandle.getCallingUserId(); 11370 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11371 mSettings.writePackageRestrictionsLPr(user); 11372 scheduleWriteSettingsLocked(); 11373 } 11374 } 11375 } 11376 11377 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11378 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11379 ArrayList<PreferredActivity> removed = null; 11380 boolean changed = false; 11381 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11382 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11383 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11384 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11385 continue; 11386 } 11387 Iterator<PreferredActivity> it = pir.filterIterator(); 11388 while (it.hasNext()) { 11389 PreferredActivity pa = it.next(); 11390 // Mark entry for removal only if it matches the package name 11391 // and the entry is of type "always". 11392 if (packageName == null || 11393 (pa.mPref.mComponent.getPackageName().equals(packageName) 11394 && pa.mPref.mAlways)) { 11395 if (removed == null) { 11396 removed = new ArrayList<PreferredActivity>(); 11397 } 11398 removed.add(pa); 11399 } 11400 } 11401 if (removed != null) { 11402 for (int j=0; j<removed.size(); j++) { 11403 PreferredActivity pa = removed.get(j); 11404 pir.removeFilter(pa); 11405 } 11406 changed = true; 11407 } 11408 } 11409 return changed; 11410 } 11411 11412 @Override 11413 public void resetPreferredActivities(int userId) { 11414 mContext.enforceCallingOrSelfPermission( 11415 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11416 // writer 11417 synchronized (mPackages) { 11418 int user = UserHandle.getCallingUserId(); 11419 clearPackagePreferredActivitiesLPw(null, user); 11420 mSettings.readDefaultPreferredAppsLPw(this, user); 11421 mSettings.writePackageRestrictionsLPr(user); 11422 scheduleWriteSettingsLocked(); 11423 } 11424 } 11425 11426 @Override 11427 public int getPreferredActivities(List<IntentFilter> outFilters, 11428 List<ComponentName> outActivities, String packageName) { 11429 11430 int num = 0; 11431 final int userId = UserHandle.getCallingUserId(); 11432 // reader 11433 synchronized (mPackages) { 11434 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11435 if (pir != null) { 11436 final Iterator<PreferredActivity> it = pir.filterIterator(); 11437 while (it.hasNext()) { 11438 final PreferredActivity pa = it.next(); 11439 if (packageName == null 11440 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11441 && pa.mPref.mAlways)) { 11442 if (outFilters != null) { 11443 outFilters.add(new IntentFilter(pa)); 11444 } 11445 if (outActivities != null) { 11446 outActivities.add(pa.mPref.mComponent); 11447 } 11448 } 11449 } 11450 } 11451 } 11452 11453 return num; 11454 } 11455 11456 @Override 11457 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11458 int userId) { 11459 int callingUid = Binder.getCallingUid(); 11460 if (callingUid != Process.SYSTEM_UID) { 11461 throw new SecurityException( 11462 "addPersistentPreferredActivity can only be run by the system"); 11463 } 11464 if (filter.countActions() == 0) { 11465 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11466 return; 11467 } 11468 synchronized (mPackages) { 11469 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11470 " :"); 11471 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11472 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11473 new PersistentPreferredActivity(filter, activity)); 11474 mSettings.writePackageRestrictionsLPr(userId); 11475 } 11476 } 11477 11478 @Override 11479 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11480 int callingUid = Binder.getCallingUid(); 11481 if (callingUid != Process.SYSTEM_UID) { 11482 throw new SecurityException( 11483 "clearPackagePersistentPreferredActivities can only be run by the system"); 11484 } 11485 ArrayList<PersistentPreferredActivity> removed = null; 11486 boolean changed = false; 11487 synchronized (mPackages) { 11488 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11489 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11490 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11491 .valueAt(i); 11492 if (userId != thisUserId) { 11493 continue; 11494 } 11495 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11496 while (it.hasNext()) { 11497 PersistentPreferredActivity ppa = it.next(); 11498 // Mark entry for removal only if it matches the package name. 11499 if (ppa.mComponent.getPackageName().equals(packageName)) { 11500 if (removed == null) { 11501 removed = new ArrayList<PersistentPreferredActivity>(); 11502 } 11503 removed.add(ppa); 11504 } 11505 } 11506 if (removed != null) { 11507 for (int j=0; j<removed.size(); j++) { 11508 PersistentPreferredActivity ppa = removed.get(j); 11509 ppir.removeFilter(ppa); 11510 } 11511 changed = true; 11512 } 11513 } 11514 11515 if (changed) { 11516 mSettings.writePackageRestrictionsLPr(userId); 11517 } 11518 } 11519 } 11520 11521 @Override 11522 public void addCrossProfileIntentFilter(IntentFilter filter, boolean removable, 11523 int sourceUserId, int targetUserId) { 11524 mContext.enforceCallingOrSelfPermission( 11525 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11526 if (filter.countActions() == 0) { 11527 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11528 return; 11529 } 11530 synchronized (mPackages) { 11531 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter( 11532 new CrossProfileIntentFilter(filter, removable, targetUserId)); 11533 mSettings.writePackageRestrictionsLPr(sourceUserId); 11534 } 11535 } 11536 11537 @Override 11538 public void clearCrossProfileIntentFilters(int sourceUserId) { 11539 mContext.enforceCallingOrSelfPermission( 11540 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11541 synchronized (mPackages) { 11542 CrossProfileIntentResolver cpir = 11543 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11544 HashSet<CrossProfileIntentFilter> set = 11545 new HashSet<CrossProfileIntentFilter>(cpir.filterSet()); 11546 for (CrossProfileIntentFilter cpif : set) { 11547 if (cpif.isRemovable()) cpir.removeFilter(cpif); 11548 } 11549 mSettings.writePackageRestrictionsLPr(sourceUserId); 11550 } 11551 } 11552 11553 @Override 11554 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11555 Intent intent = new Intent(Intent.ACTION_MAIN); 11556 intent.addCategory(Intent.CATEGORY_HOME); 11557 11558 final int callingUserId = UserHandle.getCallingUserId(); 11559 List<ResolveInfo> list = queryIntentActivities(intent, null, 11560 PackageManager.GET_META_DATA, callingUserId); 11561 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11562 true, false, false, callingUserId); 11563 11564 allHomeCandidates.clear(); 11565 if (list != null) { 11566 for (ResolveInfo ri : list) { 11567 allHomeCandidates.add(ri); 11568 } 11569 } 11570 return (preferred == null || preferred.activityInfo == null) 11571 ? null 11572 : new ComponentName(preferred.activityInfo.packageName, 11573 preferred.activityInfo.name); 11574 } 11575 11576 @Override 11577 public void setApplicationEnabledSetting(String appPackageName, 11578 int newState, int flags, int userId, String callingPackage) { 11579 if (!sUserManager.exists(userId)) return; 11580 if (callingPackage == null) { 11581 callingPackage = Integer.toString(Binder.getCallingUid()); 11582 } 11583 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11584 } 11585 11586 @Override 11587 public void setComponentEnabledSetting(ComponentName componentName, 11588 int newState, int flags, int userId) { 11589 if (!sUserManager.exists(userId)) return; 11590 setEnabledSetting(componentName.getPackageName(), 11591 componentName.getClassName(), newState, flags, userId, null); 11592 } 11593 11594 private void setEnabledSetting(final String packageName, String className, int newState, 11595 final int flags, int userId, String callingPackage) { 11596 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11597 || newState == COMPONENT_ENABLED_STATE_ENABLED 11598 || newState == COMPONENT_ENABLED_STATE_DISABLED 11599 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11600 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11601 throw new IllegalArgumentException("Invalid new component state: " 11602 + newState); 11603 } 11604 PackageSetting pkgSetting; 11605 final int uid = Binder.getCallingUid(); 11606 final int permission = mContext.checkCallingOrSelfPermission( 11607 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11608 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11609 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11610 boolean sendNow = false; 11611 boolean isApp = (className == null); 11612 String componentName = isApp ? packageName : className; 11613 int packageUid = -1; 11614 ArrayList<String> components; 11615 11616 // writer 11617 synchronized (mPackages) { 11618 pkgSetting = mSettings.mPackages.get(packageName); 11619 if (pkgSetting == null) { 11620 if (className == null) { 11621 throw new IllegalArgumentException( 11622 "Unknown package: " + packageName); 11623 } 11624 throw new IllegalArgumentException( 11625 "Unknown component: " + packageName 11626 + "/" + className); 11627 } 11628 // Allow root and verify that userId is not being specified by a different user 11629 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11630 throw new SecurityException( 11631 "Permission Denial: attempt to change component state from pid=" 11632 + Binder.getCallingPid() 11633 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11634 } 11635 if (className == null) { 11636 // We're dealing with an application/package level state change 11637 if (pkgSetting.getEnabled(userId) == newState) { 11638 // Nothing to do 11639 return; 11640 } 11641 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11642 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11643 // Don't care about who enables an app. 11644 callingPackage = null; 11645 } 11646 pkgSetting.setEnabled(newState, userId, callingPackage); 11647 // pkgSetting.pkg.mSetEnabled = newState; 11648 } else { 11649 // We're dealing with a component level state change 11650 // First, verify that this is a valid class name. 11651 PackageParser.Package pkg = pkgSetting.pkg; 11652 if (pkg == null || !pkg.hasComponentClassName(className)) { 11653 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11654 throw new IllegalArgumentException("Component class " + className 11655 + " does not exist in " + packageName); 11656 } else { 11657 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11658 + className + " does not exist in " + packageName); 11659 } 11660 } 11661 switch (newState) { 11662 case COMPONENT_ENABLED_STATE_ENABLED: 11663 if (!pkgSetting.enableComponentLPw(className, userId)) { 11664 return; 11665 } 11666 break; 11667 case COMPONENT_ENABLED_STATE_DISABLED: 11668 if (!pkgSetting.disableComponentLPw(className, userId)) { 11669 return; 11670 } 11671 break; 11672 case COMPONENT_ENABLED_STATE_DEFAULT: 11673 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11674 return; 11675 } 11676 break; 11677 default: 11678 Slog.e(TAG, "Invalid new component state: " + newState); 11679 return; 11680 } 11681 } 11682 mSettings.writePackageRestrictionsLPr(userId); 11683 components = mPendingBroadcasts.get(userId, packageName); 11684 final boolean newPackage = components == null; 11685 if (newPackage) { 11686 components = new ArrayList<String>(); 11687 } 11688 if (!components.contains(componentName)) { 11689 components.add(componentName); 11690 } 11691 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11692 sendNow = true; 11693 // Purge entry from pending broadcast list if another one exists already 11694 // since we are sending one right away. 11695 mPendingBroadcasts.remove(userId, packageName); 11696 } else { 11697 if (newPackage) { 11698 mPendingBroadcasts.put(userId, packageName, components); 11699 } 11700 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11701 // Schedule a message 11702 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11703 } 11704 } 11705 } 11706 11707 long callingId = Binder.clearCallingIdentity(); 11708 try { 11709 if (sendNow) { 11710 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11711 sendPackageChangedBroadcast(packageName, 11712 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11713 } 11714 } finally { 11715 Binder.restoreCallingIdentity(callingId); 11716 } 11717 } 11718 11719 private void sendPackageChangedBroadcast(String packageName, 11720 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11721 if (DEBUG_INSTALL) 11722 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11723 + componentNames); 11724 Bundle extras = new Bundle(4); 11725 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11726 String nameList[] = new String[componentNames.size()]; 11727 componentNames.toArray(nameList); 11728 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11729 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11730 extras.putInt(Intent.EXTRA_UID, packageUid); 11731 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11732 new int[] {UserHandle.getUserId(packageUid)}); 11733 } 11734 11735 @Override 11736 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11737 if (!sUserManager.exists(userId)) return; 11738 final int uid = Binder.getCallingUid(); 11739 final int permission = mContext.checkCallingOrSelfPermission( 11740 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11741 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11742 enforceCrossUserPermission(uid, userId, true, "stop package"); 11743 // writer 11744 synchronized (mPackages) { 11745 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11746 uid, userId)) { 11747 scheduleWritePackageRestrictionsLocked(userId); 11748 } 11749 } 11750 } 11751 11752 @Override 11753 public String getInstallerPackageName(String packageName) { 11754 // reader 11755 synchronized (mPackages) { 11756 return mSettings.getInstallerPackageNameLPr(packageName); 11757 } 11758 } 11759 11760 @Override 11761 public int getApplicationEnabledSetting(String packageName, int userId) { 11762 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11763 int uid = Binder.getCallingUid(); 11764 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11765 // reader 11766 synchronized (mPackages) { 11767 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11768 } 11769 } 11770 11771 @Override 11772 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11773 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11774 int uid = Binder.getCallingUid(); 11775 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11776 // reader 11777 synchronized (mPackages) { 11778 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11779 } 11780 } 11781 11782 @Override 11783 public void enterSafeMode() { 11784 enforceSystemOrRoot("Only the system can request entering safe mode"); 11785 11786 if (!mSystemReady) { 11787 mSafeMode = true; 11788 } 11789 } 11790 11791 @Override 11792 public void systemReady() { 11793 mSystemReady = true; 11794 11795 // Read the compatibilty setting when the system is ready. 11796 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11797 mContext.getContentResolver(), 11798 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11799 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11800 if (DEBUG_SETTINGS) { 11801 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11802 } 11803 11804 synchronized (mPackages) { 11805 // Verify that all of the preferred activity components actually 11806 // exist. It is possible for applications to be updated and at 11807 // that point remove a previously declared activity component that 11808 // had been set as a preferred activity. We try to clean this up 11809 // the next time we encounter that preferred activity, but it is 11810 // possible for the user flow to never be able to return to that 11811 // situation so here we do a sanity check to make sure we haven't 11812 // left any junk around. 11813 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11814 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11815 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11816 removed.clear(); 11817 for (PreferredActivity pa : pir.filterSet()) { 11818 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11819 removed.add(pa); 11820 } 11821 } 11822 if (removed.size() > 0) { 11823 for (int r=0; r<removed.size(); r++) { 11824 PreferredActivity pa = removed.get(r); 11825 Slog.w(TAG, "Removing dangling preferred activity: " 11826 + pa.mPref.mComponent); 11827 pir.removeFilter(pa); 11828 } 11829 mSettings.writePackageRestrictionsLPr( 11830 mSettings.mPreferredActivities.keyAt(i)); 11831 } 11832 } 11833 } 11834 sUserManager.systemReady(); 11835 } 11836 11837 @Override 11838 public boolean isSafeMode() { 11839 return mSafeMode; 11840 } 11841 11842 @Override 11843 public boolean hasSystemUidErrors() { 11844 return mHasSystemUidErrors; 11845 } 11846 11847 static String arrayToString(int[] array) { 11848 StringBuffer buf = new StringBuffer(128); 11849 buf.append('['); 11850 if (array != null) { 11851 for (int i=0; i<array.length; i++) { 11852 if (i > 0) buf.append(", "); 11853 buf.append(array[i]); 11854 } 11855 } 11856 buf.append(']'); 11857 return buf.toString(); 11858 } 11859 11860 static class DumpState { 11861 public static final int DUMP_LIBS = 1 << 0; 11862 11863 public static final int DUMP_FEATURES = 1 << 1; 11864 11865 public static final int DUMP_RESOLVERS = 1 << 2; 11866 11867 public static final int DUMP_PERMISSIONS = 1 << 3; 11868 11869 public static final int DUMP_PACKAGES = 1 << 4; 11870 11871 public static final int DUMP_SHARED_USERS = 1 << 5; 11872 11873 public static final int DUMP_MESSAGES = 1 << 6; 11874 11875 public static final int DUMP_PROVIDERS = 1 << 7; 11876 11877 public static final int DUMP_VERIFIERS = 1 << 8; 11878 11879 public static final int DUMP_PREFERRED = 1 << 9; 11880 11881 public static final int DUMP_PREFERRED_XML = 1 << 10; 11882 11883 public static final int DUMP_KEYSETS = 1 << 11; 11884 11885 public static final int DUMP_VERSION = 1 << 12; 11886 11887 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11888 11889 private int mTypes; 11890 11891 private int mOptions; 11892 11893 private boolean mTitlePrinted; 11894 11895 private SharedUserSetting mSharedUser; 11896 11897 public boolean isDumping(int type) { 11898 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11899 return true; 11900 } 11901 11902 return (mTypes & type) != 0; 11903 } 11904 11905 public void setDump(int type) { 11906 mTypes |= type; 11907 } 11908 11909 public boolean isOptionEnabled(int option) { 11910 return (mOptions & option) != 0; 11911 } 11912 11913 public void setOptionEnabled(int option) { 11914 mOptions |= option; 11915 } 11916 11917 public boolean onTitlePrinted() { 11918 final boolean printed = mTitlePrinted; 11919 mTitlePrinted = true; 11920 return printed; 11921 } 11922 11923 public boolean getTitlePrinted() { 11924 return mTitlePrinted; 11925 } 11926 11927 public void setTitlePrinted(boolean enabled) { 11928 mTitlePrinted = enabled; 11929 } 11930 11931 public SharedUserSetting getSharedUser() { 11932 return mSharedUser; 11933 } 11934 11935 public void setSharedUser(SharedUserSetting user) { 11936 mSharedUser = user; 11937 } 11938 } 11939 11940 @Override 11941 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11942 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11943 != PackageManager.PERMISSION_GRANTED) { 11944 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11945 + Binder.getCallingPid() 11946 + ", uid=" + Binder.getCallingUid() 11947 + " without permission " 11948 + android.Manifest.permission.DUMP); 11949 return; 11950 } 11951 11952 DumpState dumpState = new DumpState(); 11953 boolean fullPreferred = false; 11954 boolean checkin = false; 11955 11956 String packageName = null; 11957 11958 int opti = 0; 11959 while (opti < args.length) { 11960 String opt = args[opti]; 11961 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11962 break; 11963 } 11964 opti++; 11965 if ("-a".equals(opt)) { 11966 // Right now we only know how to print all. 11967 } else if ("-h".equals(opt)) { 11968 pw.println("Package manager dump options:"); 11969 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11970 pw.println(" --checkin: dump for a checkin"); 11971 pw.println(" -f: print details of intent filters"); 11972 pw.println(" -h: print this help"); 11973 pw.println(" cmd may be one of:"); 11974 pw.println(" l[ibraries]: list known shared libraries"); 11975 pw.println(" f[ibraries]: list device features"); 11976 pw.println(" k[eysets]: print known keysets"); 11977 pw.println(" r[esolvers]: dump intent resolvers"); 11978 pw.println(" perm[issions]: dump permissions"); 11979 pw.println(" pref[erred]: print preferred package settings"); 11980 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11981 pw.println(" prov[iders]: dump content providers"); 11982 pw.println(" p[ackages]: dump installed packages"); 11983 pw.println(" s[hared-users]: dump shared user IDs"); 11984 pw.println(" m[essages]: print collected runtime messages"); 11985 pw.println(" v[erifiers]: print package verifier info"); 11986 pw.println(" version: print database version info"); 11987 pw.println(" write: write current settings now"); 11988 pw.println(" <package.name>: info about given package"); 11989 return; 11990 } else if ("--checkin".equals(opt)) { 11991 checkin = true; 11992 } else if ("-f".equals(opt)) { 11993 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11994 } else { 11995 pw.println("Unknown argument: " + opt + "; use -h for help"); 11996 } 11997 } 11998 11999 // Is the caller requesting to dump a particular piece of data? 12000 if (opti < args.length) { 12001 String cmd = args[opti]; 12002 opti++; 12003 // Is this a package name? 12004 if ("android".equals(cmd) || cmd.contains(".")) { 12005 packageName = cmd; 12006 // When dumping a single package, we always dump all of its 12007 // filter information since the amount of data will be reasonable. 12008 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12009 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12010 dumpState.setDump(DumpState.DUMP_LIBS); 12011 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12012 dumpState.setDump(DumpState.DUMP_FEATURES); 12013 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12014 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12015 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12016 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12017 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12018 dumpState.setDump(DumpState.DUMP_PREFERRED); 12019 } else if ("preferred-xml".equals(cmd)) { 12020 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12021 if (opti < args.length && "--full".equals(args[opti])) { 12022 fullPreferred = true; 12023 opti++; 12024 } 12025 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12026 dumpState.setDump(DumpState.DUMP_PACKAGES); 12027 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12028 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12029 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12030 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12031 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12032 dumpState.setDump(DumpState.DUMP_MESSAGES); 12033 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12034 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12035 } else if ("version".equals(cmd)) { 12036 dumpState.setDump(DumpState.DUMP_VERSION); 12037 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12038 dumpState.setDump(DumpState.DUMP_KEYSETS); 12039 } else if ("write".equals(cmd)) { 12040 synchronized (mPackages) { 12041 mSettings.writeLPr(); 12042 pw.println("Settings written."); 12043 return; 12044 } 12045 } 12046 } 12047 12048 if (checkin) { 12049 pw.println("vers,1"); 12050 } 12051 12052 // reader 12053 synchronized (mPackages) { 12054 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12055 if (!checkin) { 12056 if (dumpState.onTitlePrinted()) 12057 pw.println(); 12058 pw.println("Database versions:"); 12059 pw.print(" SDK Version:"); 12060 pw.print(" internal="); 12061 pw.print(mSettings.mInternalSdkPlatform); 12062 pw.print(" external="); 12063 pw.println(mSettings.mExternalSdkPlatform); 12064 pw.print(" DB Version:"); 12065 pw.print(" internal="); 12066 pw.print(mSettings.mInternalDatabaseVersion); 12067 pw.print(" external="); 12068 pw.println(mSettings.mExternalDatabaseVersion); 12069 } 12070 } 12071 12072 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12073 if (!checkin) { 12074 if (dumpState.onTitlePrinted()) 12075 pw.println(); 12076 pw.println("Verifiers:"); 12077 pw.print(" Required: "); 12078 pw.print(mRequiredVerifierPackage); 12079 pw.print(" (uid="); 12080 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12081 pw.println(")"); 12082 } else if (mRequiredVerifierPackage != null) { 12083 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12084 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12085 } 12086 } 12087 12088 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12089 boolean printedHeader = false; 12090 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12091 while (it.hasNext()) { 12092 String name = it.next(); 12093 SharedLibraryEntry ent = mSharedLibraries.get(name); 12094 if (!checkin) { 12095 if (!printedHeader) { 12096 if (dumpState.onTitlePrinted()) 12097 pw.println(); 12098 pw.println("Libraries:"); 12099 printedHeader = true; 12100 } 12101 pw.print(" "); 12102 } else { 12103 pw.print("lib,"); 12104 } 12105 pw.print(name); 12106 if (!checkin) { 12107 pw.print(" -> "); 12108 } 12109 if (ent.path != null) { 12110 if (!checkin) { 12111 pw.print("(jar) "); 12112 pw.print(ent.path); 12113 } else { 12114 pw.print(",jar,"); 12115 pw.print(ent.path); 12116 } 12117 } else { 12118 if (!checkin) { 12119 pw.print("(apk) "); 12120 pw.print(ent.apk); 12121 } else { 12122 pw.print(",apk,"); 12123 pw.print(ent.apk); 12124 } 12125 } 12126 pw.println(); 12127 } 12128 } 12129 12130 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12131 if (dumpState.onTitlePrinted()) 12132 pw.println(); 12133 if (!checkin) { 12134 pw.println("Features:"); 12135 } 12136 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12137 while (it.hasNext()) { 12138 String name = it.next(); 12139 if (!checkin) { 12140 pw.print(" "); 12141 } else { 12142 pw.print("feat,"); 12143 } 12144 pw.println(name); 12145 } 12146 } 12147 12148 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12149 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12150 : "Activity Resolver Table:", " ", packageName, 12151 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12152 dumpState.setTitlePrinted(true); 12153 } 12154 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12155 : "Receiver Resolver Table:", " ", packageName, 12156 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12157 dumpState.setTitlePrinted(true); 12158 } 12159 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12160 : "Service Resolver Table:", " ", packageName, 12161 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12162 dumpState.setTitlePrinted(true); 12163 } 12164 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12165 : "Provider Resolver Table:", " ", packageName, 12166 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12167 dumpState.setTitlePrinted(true); 12168 } 12169 } 12170 12171 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12172 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12173 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12174 int user = mSettings.mPreferredActivities.keyAt(i); 12175 if (pir.dump(pw, 12176 dumpState.getTitlePrinted() 12177 ? "\nPreferred Activities User " + user + ":" 12178 : "Preferred Activities User " + user + ":", " ", 12179 packageName, true)) { 12180 dumpState.setTitlePrinted(true); 12181 } 12182 } 12183 } 12184 12185 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12186 pw.flush(); 12187 FileOutputStream fout = new FileOutputStream(fd); 12188 BufferedOutputStream str = new BufferedOutputStream(fout); 12189 XmlSerializer serializer = new FastXmlSerializer(); 12190 try { 12191 serializer.setOutput(str, "utf-8"); 12192 serializer.startDocument(null, true); 12193 serializer.setFeature( 12194 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12195 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12196 serializer.endDocument(); 12197 serializer.flush(); 12198 } catch (IllegalArgumentException e) { 12199 pw.println("Failed writing: " + e); 12200 } catch (IllegalStateException e) { 12201 pw.println("Failed writing: " + e); 12202 } catch (IOException e) { 12203 pw.println("Failed writing: " + e); 12204 } 12205 } 12206 12207 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12208 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12209 } 12210 12211 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12212 boolean printedSomething = false; 12213 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12214 if (packageName != null && !packageName.equals(p.info.packageName)) { 12215 continue; 12216 } 12217 if (!printedSomething) { 12218 if (dumpState.onTitlePrinted()) 12219 pw.println(); 12220 pw.println("Registered ContentProviders:"); 12221 printedSomething = true; 12222 } 12223 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12224 pw.print(" "); pw.println(p.toString()); 12225 } 12226 printedSomething = false; 12227 for (Map.Entry<String, PackageParser.Provider> entry : 12228 mProvidersByAuthority.entrySet()) { 12229 PackageParser.Provider p = entry.getValue(); 12230 if (packageName != null && !packageName.equals(p.info.packageName)) { 12231 continue; 12232 } 12233 if (!printedSomething) { 12234 if (dumpState.onTitlePrinted()) 12235 pw.println(); 12236 pw.println("ContentProvider Authorities:"); 12237 printedSomething = true; 12238 } 12239 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12240 pw.print(" "); pw.println(p.toString()); 12241 if (p.info != null && p.info.applicationInfo != null) { 12242 final String appInfo = p.info.applicationInfo.toString(); 12243 pw.print(" applicationInfo="); pw.println(appInfo); 12244 } 12245 } 12246 } 12247 12248 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12249 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12250 } 12251 12252 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12253 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12254 } 12255 12256 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12257 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12258 } 12259 12260 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12261 if (dumpState.onTitlePrinted()) 12262 pw.println(); 12263 mSettings.dumpReadMessagesLPr(pw, dumpState); 12264 12265 pw.println(); 12266 pw.println("Package warning messages:"); 12267 final File fname = getSettingsProblemFile(); 12268 FileInputStream in = null; 12269 try { 12270 in = new FileInputStream(fname); 12271 final int avail = in.available(); 12272 final byte[] data = new byte[avail]; 12273 in.read(data); 12274 pw.print(new String(data)); 12275 } catch (FileNotFoundException e) { 12276 } catch (IOException e) { 12277 } finally { 12278 if (in != null) { 12279 try { 12280 in.close(); 12281 } catch (IOException e) { 12282 } 12283 } 12284 } 12285 } 12286 } 12287 } 12288 12289 // ------- apps on sdcard specific code ------- 12290 static final boolean DEBUG_SD_INSTALL = false; 12291 12292 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12293 12294 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12295 12296 private boolean mMediaMounted = false; 12297 12298 private String getEncryptKey() { 12299 try { 12300 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12301 SD_ENCRYPTION_KEYSTORE_NAME); 12302 if (sdEncKey == null) { 12303 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12304 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12305 if (sdEncKey == null) { 12306 Slog.e(TAG, "Failed to create encryption keys"); 12307 return null; 12308 } 12309 } 12310 return sdEncKey; 12311 } catch (NoSuchAlgorithmException nsae) { 12312 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12313 return null; 12314 } catch (IOException ioe) { 12315 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12316 return null; 12317 } 12318 12319 } 12320 12321 /* package */static String getTempContainerId() { 12322 int tmpIdx = 1; 12323 String list[] = PackageHelper.getSecureContainerList(); 12324 if (list != null) { 12325 for (final String name : list) { 12326 // Ignore null and non-temporary container entries 12327 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12328 continue; 12329 } 12330 12331 String subStr = name.substring(mTempContainerPrefix.length()); 12332 try { 12333 int cid = Integer.parseInt(subStr); 12334 if (cid >= tmpIdx) { 12335 tmpIdx = cid + 1; 12336 } 12337 } catch (NumberFormatException e) { 12338 } 12339 } 12340 } 12341 return mTempContainerPrefix + tmpIdx; 12342 } 12343 12344 /* 12345 * Update media status on PackageManager. 12346 */ 12347 @Override 12348 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12349 int callingUid = Binder.getCallingUid(); 12350 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12351 throw new SecurityException("Media status can only be updated by the system"); 12352 } 12353 // reader; this apparently protects mMediaMounted, but should probably 12354 // be a different lock in that case. 12355 synchronized (mPackages) { 12356 Log.i(TAG, "Updating external media status from " 12357 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12358 + (mediaStatus ? "mounted" : "unmounted")); 12359 if (DEBUG_SD_INSTALL) 12360 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12361 + ", mMediaMounted=" + mMediaMounted); 12362 if (mediaStatus == mMediaMounted) { 12363 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12364 : 0, -1); 12365 mHandler.sendMessage(msg); 12366 return; 12367 } 12368 mMediaMounted = mediaStatus; 12369 } 12370 // Queue up an async operation since the package installation may take a 12371 // little while. 12372 mHandler.post(new Runnable() { 12373 public void run() { 12374 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12375 } 12376 }); 12377 } 12378 12379 /** 12380 * Called by MountService when the initial ASECs to scan are available. 12381 * Should block until all the ASEC containers are finished being scanned. 12382 */ 12383 public void scanAvailableAsecs() { 12384 updateExternalMediaStatusInner(true, false, false); 12385 if (mShouldRestoreconData) { 12386 SELinuxMMAC.setRestoreconDone(); 12387 mShouldRestoreconData = false; 12388 } 12389 } 12390 12391 /* 12392 * Collect information of applications on external media, map them against 12393 * existing containers and update information based on current mount status. 12394 * Please note that we always have to report status if reportStatus has been 12395 * set to true especially when unloading packages. 12396 */ 12397 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12398 boolean externalStorage) { 12399 // Collection of uids 12400 int uidArr[] = null; 12401 // Collection of stale containers 12402 HashSet<String> removeCids = new HashSet<String>(); 12403 // Collection of packages on external media with valid containers. 12404 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12405 // Get list of secure containers. 12406 final String list[] = PackageHelper.getSecureContainerList(); 12407 if (list == null || list.length == 0) { 12408 Log.i(TAG, "No secure containers on sdcard"); 12409 } else { 12410 // Process list of secure containers and categorize them 12411 // as active or stale based on their package internal state. 12412 int uidList[] = new int[list.length]; 12413 int num = 0; 12414 // reader 12415 synchronized (mPackages) { 12416 for (String cid : list) { 12417 if (DEBUG_SD_INSTALL) 12418 Log.i(TAG, "Processing container " + cid); 12419 String pkgName = getAsecPackageName(cid); 12420 if (pkgName == null) { 12421 if (DEBUG_SD_INSTALL) 12422 Log.i(TAG, "Container : " + cid + " stale"); 12423 removeCids.add(cid); 12424 continue; 12425 } 12426 if (DEBUG_SD_INSTALL) 12427 Log.i(TAG, "Looking for pkg : " + pkgName); 12428 12429 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12430 if (ps == null) { 12431 Log.i(TAG, "Deleting container with no matching settings " + cid); 12432 removeCids.add(cid); 12433 continue; 12434 } 12435 12436 /* 12437 * Skip packages that are not external if we're unmounting 12438 * external storage. 12439 */ 12440 if (externalStorage && !isMounted && !isExternal(ps)) { 12441 continue; 12442 } 12443 12444 final AsecInstallArgs args = new AsecInstallArgs(cid, 12445 getAppInstructionSetFromSettings(ps), 12446 isForwardLocked(ps)); 12447 // The package status is changed only if the code path 12448 // matches between settings and the container id. 12449 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12450 if (DEBUG_SD_INSTALL) { 12451 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12452 + " at code path: " + ps.codePathString); 12453 } 12454 12455 // We do have a valid package installed on sdcard 12456 processCids.put(args, ps.codePathString); 12457 final int uid = ps.appId; 12458 if (uid != -1) { 12459 uidList[num++] = uid; 12460 } 12461 } else { 12462 Log.i(TAG, "Deleting stale container for " + cid); 12463 removeCids.add(cid); 12464 } 12465 } 12466 } 12467 12468 if (num > 0) { 12469 // Sort uid list 12470 Arrays.sort(uidList, 0, num); 12471 // Throw away duplicates 12472 uidArr = new int[num]; 12473 uidArr[0] = uidList[0]; 12474 int di = 0; 12475 for (int i = 1; i < num; i++) { 12476 if (uidList[i - 1] != uidList[i]) { 12477 uidArr[di++] = uidList[i]; 12478 } 12479 } 12480 } 12481 } 12482 // Process packages with valid entries. 12483 if (isMounted) { 12484 if (DEBUG_SD_INSTALL) 12485 Log.i(TAG, "Loading packages"); 12486 loadMediaPackages(processCids, uidArr, removeCids); 12487 startCleaningPackages(); 12488 } else { 12489 if (DEBUG_SD_INSTALL) 12490 Log.i(TAG, "Unloading packages"); 12491 unloadMediaPackages(processCids, uidArr, reportStatus); 12492 } 12493 } 12494 12495 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12496 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12497 int size = pkgList.size(); 12498 if (size > 0) { 12499 // Send broadcasts here 12500 Bundle extras = new Bundle(); 12501 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12502 .toArray(new String[size])); 12503 if (uidArr != null) { 12504 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12505 } 12506 if (replacing) { 12507 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12508 } 12509 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12510 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12511 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12512 } 12513 } 12514 12515 /* 12516 * Look at potentially valid container ids from processCids If package 12517 * information doesn't match the one on record or package scanning fails, 12518 * the cid is added to list of removeCids. We currently don't delete stale 12519 * containers. 12520 */ 12521 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12522 HashSet<String> removeCids) { 12523 ArrayList<String> pkgList = new ArrayList<String>(); 12524 Set<AsecInstallArgs> keys = processCids.keySet(); 12525 boolean doGc = false; 12526 for (AsecInstallArgs args : keys) { 12527 String codePath = processCids.get(args); 12528 if (DEBUG_SD_INSTALL) 12529 Log.i(TAG, "Loading container : " + args.cid); 12530 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12531 try { 12532 // Make sure there are no container errors first. 12533 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12534 Slog.e(TAG, "Failed to mount cid : " + args.cid 12535 + " when installing from sdcard"); 12536 continue; 12537 } 12538 // Check code path here. 12539 if (codePath == null || !codePath.equals(args.getCodePath())) { 12540 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12541 + " does not match one in settings " + codePath); 12542 continue; 12543 } 12544 // Parse package 12545 int parseFlags = mDefParseFlags; 12546 if (args.isExternal()) { 12547 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12548 } 12549 if (args.isFwdLocked()) { 12550 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12551 } 12552 12553 doGc = true; 12554 synchronized (mInstallLock) { 12555 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12556 0, 0, null, null); 12557 // Scan the package 12558 if (pkg != null) { 12559 /* 12560 * TODO why is the lock being held? doPostInstall is 12561 * called in other places without the lock. This needs 12562 * to be straightened out. 12563 */ 12564 // writer 12565 synchronized (mPackages) { 12566 retCode = PackageManager.INSTALL_SUCCEEDED; 12567 pkgList.add(pkg.packageName); 12568 // Post process args 12569 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12570 pkg.applicationInfo.uid); 12571 } 12572 } else { 12573 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12574 } 12575 } 12576 12577 } finally { 12578 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12579 // Don't destroy container here. Wait till gc clears things 12580 // up. 12581 removeCids.add(args.cid); 12582 } 12583 } 12584 } 12585 // writer 12586 synchronized (mPackages) { 12587 // If the platform SDK has changed since the last time we booted, 12588 // we need to re-grant app permission to catch any new ones that 12589 // appear. This is really a hack, and means that apps can in some 12590 // cases get permissions that the user didn't initially explicitly 12591 // allow... it would be nice to have some better way to handle 12592 // this situation. 12593 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12594 if (regrantPermissions) 12595 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12596 + mSdkVersion + "; regranting permissions for external storage"); 12597 mSettings.mExternalSdkPlatform = mSdkVersion; 12598 12599 // Make sure group IDs have been assigned, and any permission 12600 // changes in other apps are accounted for 12601 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12602 | (regrantPermissions 12603 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12604 : 0)); 12605 12606 mSettings.updateExternalDatabaseVersion(); 12607 12608 // can downgrade to reader 12609 // Persist settings 12610 mSettings.writeLPr(); 12611 } 12612 // Send a broadcast to let everyone know we are done processing 12613 if (pkgList.size() > 0) { 12614 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12615 } 12616 // Force gc to avoid any stale parser references that we might have. 12617 if (doGc) { 12618 Runtime.getRuntime().gc(); 12619 } 12620 // List stale containers and destroy stale temporary containers. 12621 if (removeCids != null) { 12622 for (String cid : removeCids) { 12623 if (cid.startsWith(mTempContainerPrefix)) { 12624 Log.i(TAG, "Destroying stale temporary container " + cid); 12625 PackageHelper.destroySdDir(cid); 12626 } else { 12627 Log.w(TAG, "Container " + cid + " is stale"); 12628 } 12629 } 12630 } 12631 } 12632 12633 /* 12634 * Utility method to unload a list of specified containers 12635 */ 12636 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12637 // Just unmount all valid containers. 12638 for (AsecInstallArgs arg : cidArgs) { 12639 synchronized (mInstallLock) { 12640 arg.doPostDeleteLI(false); 12641 } 12642 } 12643 } 12644 12645 /* 12646 * Unload packages mounted on external media. This involves deleting package 12647 * data from internal structures, sending broadcasts about diabled packages, 12648 * gc'ing to free up references, unmounting all secure containers 12649 * corresponding to packages on external media, and posting a 12650 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12651 * that we always have to post this message if status has been requested no 12652 * matter what. 12653 */ 12654 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12655 final boolean reportStatus) { 12656 if (DEBUG_SD_INSTALL) 12657 Log.i(TAG, "unloading media packages"); 12658 ArrayList<String> pkgList = new ArrayList<String>(); 12659 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12660 final Set<AsecInstallArgs> keys = processCids.keySet(); 12661 for (AsecInstallArgs args : keys) { 12662 String pkgName = args.getPackageName(); 12663 if (DEBUG_SD_INSTALL) 12664 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12665 // Delete package internally 12666 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12667 synchronized (mInstallLock) { 12668 boolean res = deletePackageLI(pkgName, null, false, null, null, 12669 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12670 if (res) { 12671 pkgList.add(pkgName); 12672 } else { 12673 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12674 failedList.add(args); 12675 } 12676 } 12677 } 12678 12679 // reader 12680 synchronized (mPackages) { 12681 // We didn't update the settings after removing each package; 12682 // write them now for all packages. 12683 mSettings.writeLPr(); 12684 } 12685 12686 // We have to absolutely send UPDATED_MEDIA_STATUS only 12687 // after confirming that all the receivers processed the ordered 12688 // broadcast when packages get disabled, force a gc to clean things up. 12689 // and unload all the containers. 12690 if (pkgList.size() > 0) { 12691 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12692 new IIntentReceiver.Stub() { 12693 public void performReceive(Intent intent, int resultCode, String data, 12694 Bundle extras, boolean ordered, boolean sticky, 12695 int sendingUser) throws RemoteException { 12696 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12697 reportStatus ? 1 : 0, 1, keys); 12698 mHandler.sendMessage(msg); 12699 } 12700 }); 12701 } else { 12702 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12703 keys); 12704 mHandler.sendMessage(msg); 12705 } 12706 } 12707 12708 /** Binder call */ 12709 @Override 12710 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12711 final int flags) { 12712 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12713 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12714 int returnCode = PackageManager.MOVE_SUCCEEDED; 12715 int currFlags = 0; 12716 int newFlags = 0; 12717 // reader 12718 synchronized (mPackages) { 12719 PackageParser.Package pkg = mPackages.get(packageName); 12720 if (pkg == null) { 12721 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12722 } else { 12723 // Disable moving fwd locked apps and system packages 12724 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12725 Slog.w(TAG, "Cannot move system application"); 12726 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12727 } else if (pkg.mOperationPending) { 12728 Slog.w(TAG, "Attempt to move package which has pending operations"); 12729 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12730 } else { 12731 // Find install location first 12732 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12733 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12734 Slog.w(TAG, "Ambigous flags specified for move location."); 12735 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12736 } else { 12737 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12738 : PackageManager.INSTALL_INTERNAL; 12739 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12740 : PackageManager.INSTALL_INTERNAL; 12741 12742 if (newFlags == currFlags) { 12743 Slog.w(TAG, "No move required. Trying to move to same location"); 12744 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12745 } else { 12746 if (isForwardLocked(pkg)) { 12747 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12748 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12749 } 12750 } 12751 } 12752 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12753 pkg.mOperationPending = true; 12754 } 12755 } 12756 } 12757 12758 /* 12759 * TODO this next block probably shouldn't be inside the lock. We 12760 * can't guarantee these won't change after this is fired off 12761 * anyway. 12762 */ 12763 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12764 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12765 null, -1, user), 12766 returnCode); 12767 } else { 12768 Message msg = mHandler.obtainMessage(INIT_COPY); 12769 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12770 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12771 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12772 instructionSet); 12773 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12774 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12775 msg.obj = mp; 12776 mHandler.sendMessage(msg); 12777 } 12778 } 12779 } 12780 12781 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12782 // Queue up an async operation since the package deletion may take a 12783 // little while. 12784 mHandler.post(new Runnable() { 12785 public void run() { 12786 // TODO fix this; this does nothing. 12787 mHandler.removeCallbacks(this); 12788 int returnCode = currentStatus; 12789 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12790 int uidArr[] = null; 12791 ArrayList<String> pkgList = null; 12792 synchronized (mPackages) { 12793 PackageParser.Package pkg = mPackages.get(mp.packageName); 12794 if (pkg == null) { 12795 Slog.w(TAG, " Package " + mp.packageName 12796 + " doesn't exist. Aborting move"); 12797 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12798 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12799 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12800 + mp.srcArgs.getCodePath() + " to " 12801 + pkg.applicationInfo.sourceDir 12802 + " Aborting move and returning error"); 12803 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12804 } else { 12805 uidArr = new int[] { 12806 pkg.applicationInfo.uid 12807 }; 12808 pkgList = new ArrayList<String>(); 12809 pkgList.add(mp.packageName); 12810 } 12811 } 12812 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12813 // Send resources unavailable broadcast 12814 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12815 // Update package code and resource paths 12816 synchronized (mInstallLock) { 12817 synchronized (mPackages) { 12818 PackageParser.Package pkg = mPackages.get(mp.packageName); 12819 // Recheck for package again. 12820 if (pkg == null) { 12821 Slog.w(TAG, " Package " + mp.packageName 12822 + " doesn't exist. Aborting move"); 12823 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12824 } else if (!mp.srcArgs.getCodePath().equals( 12825 pkg.applicationInfo.sourceDir)) { 12826 Slog.w(TAG, "Package " + mp.packageName 12827 + " code path changed from " + mp.srcArgs.getCodePath() 12828 + " to " + pkg.applicationInfo.sourceDir 12829 + " Aborting move and returning error"); 12830 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12831 } else { 12832 final String oldCodePath = pkg.mPath; 12833 final String newCodePath = mp.targetArgs.getCodePath(); 12834 final String newResPath = mp.targetArgs.getResourcePath(); 12835 final String newNativePath = mp.targetArgs 12836 .getNativeLibraryPath(); 12837 12838 final File newNativeDir = new File(newNativePath); 12839 12840 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12841 // NOTE: We do not report any errors from the APK scan and library 12842 // copy at this point. 12843 NativeLibraryHelper.ApkHandle handle = 12844 new NativeLibraryHelper.ApkHandle(newCodePath); 12845 final int abi = NativeLibraryHelper.findSupportedAbi( 12846 handle, Build.SUPPORTED_ABIS); 12847 if (abi >= 0) { 12848 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12849 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12850 } 12851 handle.close(); 12852 } 12853 final int[] users = sUserManager.getUserIds(); 12854 for (int user : users) { 12855 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12856 newNativePath, user) < 0) { 12857 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12858 } 12859 } 12860 12861 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12862 pkg.mPath = newCodePath; 12863 // Move dex files around 12864 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12865 // Moving of dex files failed. Set 12866 // error code and abort move. 12867 pkg.mPath = pkg.mScanPath; 12868 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12869 } 12870 } 12871 12872 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12873 pkg.mScanPath = newCodePath; 12874 pkg.applicationInfo.sourceDir = newCodePath; 12875 pkg.applicationInfo.publicSourceDir = newResPath; 12876 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12877 PackageSetting ps = (PackageSetting) pkg.mExtras; 12878 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12879 ps.codePathString = ps.codePath.getPath(); 12880 ps.resourcePath = new File( 12881 pkg.applicationInfo.publicSourceDir); 12882 ps.resourcePathString = ps.resourcePath.getPath(); 12883 ps.nativeLibraryPathString = newNativePath; 12884 // Set the application info flag 12885 // correctly. 12886 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12887 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12888 } else { 12889 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12890 } 12891 ps.setFlags(pkg.applicationInfo.flags); 12892 mAppDirs.remove(oldCodePath); 12893 mAppDirs.put(newCodePath, pkg); 12894 // Persist settings 12895 mSettings.writeLPr(); 12896 } 12897 } 12898 } 12899 } 12900 // Send resources available broadcast 12901 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12902 } 12903 } 12904 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12905 // Clean up failed installation 12906 if (mp.targetArgs != null) { 12907 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12908 -1); 12909 } 12910 } else { 12911 // Force a gc to clear things up. 12912 Runtime.getRuntime().gc(); 12913 // Delete older code 12914 synchronized (mInstallLock) { 12915 mp.srcArgs.doPostDeleteLI(true); 12916 } 12917 } 12918 12919 // Allow more operations on this file if we didn't fail because 12920 // an operation was already pending for this package. 12921 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12922 synchronized (mPackages) { 12923 PackageParser.Package pkg = mPackages.get(mp.packageName); 12924 if (pkg != null) { 12925 pkg.mOperationPending = false; 12926 } 12927 } 12928 } 12929 12930 IPackageMoveObserver observer = mp.observer; 12931 if (observer != null) { 12932 try { 12933 observer.packageMoved(mp.packageName, returnCode); 12934 } catch (RemoteException e) { 12935 Log.i(TAG, "Observer no longer exists."); 12936 } 12937 } 12938 } 12939 }); 12940 } 12941 12942 @Override 12943 public boolean setInstallLocation(int loc) { 12944 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12945 null); 12946 if (getInstallLocation() == loc) { 12947 return true; 12948 } 12949 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12950 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12951 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12952 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12953 return true; 12954 } 12955 return false; 12956 } 12957 12958 @Override 12959 public int getInstallLocation() { 12960 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12961 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12962 PackageHelper.APP_INSTALL_AUTO); 12963 } 12964 12965 /** Called by UserManagerService */ 12966 void cleanUpUserLILPw(int userHandle) { 12967 mDirtyUsers.remove(userHandle); 12968 mSettings.removeUserLPr(userHandle); 12969 mPendingBroadcasts.remove(userHandle); 12970 if (mInstaller != null) { 12971 // Technically, we shouldn't be doing this with the package lock 12972 // held. However, this is very rare, and there is already so much 12973 // other disk I/O going on, that we'll let it slide for now. 12974 mInstaller.removeUserDataDirs(userHandle); 12975 } 12976 } 12977 12978 /** Called by UserManagerService */ 12979 void createNewUserLILPw(int userHandle, File path) { 12980 if (mInstaller != null) { 12981 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12982 } 12983 } 12984 12985 @Override 12986 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12987 mContext.enforceCallingOrSelfPermission( 12988 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12989 "Only package verification agents can read the verifier device identity"); 12990 12991 synchronized (mPackages) { 12992 return mSettings.getVerifierDeviceIdentityLPw(); 12993 } 12994 } 12995 12996 @Override 12997 public void setPermissionEnforced(String permission, boolean enforced) { 12998 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12999 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13000 synchronized (mPackages) { 13001 if (mSettings.mReadExternalStorageEnforced == null 13002 || mSettings.mReadExternalStorageEnforced != enforced) { 13003 mSettings.mReadExternalStorageEnforced = enforced; 13004 mSettings.writeLPr(); 13005 } 13006 } 13007 // kill any non-foreground processes so we restart them and 13008 // grant/revoke the GID. 13009 final IActivityManager am = ActivityManagerNative.getDefault(); 13010 if (am != null) { 13011 final long token = Binder.clearCallingIdentity(); 13012 try { 13013 am.killProcessesBelowForeground("setPermissionEnforcement"); 13014 } catch (RemoteException e) { 13015 } finally { 13016 Binder.restoreCallingIdentity(token); 13017 } 13018 } 13019 } else { 13020 throw new IllegalArgumentException("No selective enforcement for " + permission); 13021 } 13022 } 13023 13024 @Override 13025 @Deprecated 13026 public boolean isPermissionEnforced(String permission) { 13027 return true; 13028 } 13029 13030 @Override 13031 public boolean isStorageLow() { 13032 final long token = Binder.clearCallingIdentity(); 13033 try { 13034 final DeviceStorageMonitorInternal 13035 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13036 if (dsm != null) { 13037 return dsm.isMemoryLow(); 13038 } else { 13039 return false; 13040 } 13041 } finally { 13042 Binder.restoreCallingIdentity(token); 13043 } 13044 } 13045 13046 @Override 13047 public IPackageInstaller getPackageInstaller() { 13048 return mInstallerService; 13049 } 13050} 13051