PackageManagerService.java revision 1a910ef2b40de91e834a5a82d9b75d117a45da04
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 // Enable gross and lame hacks for apps that are built with old 5402 // SDK tools. We must scan their APKs for renderscript bitcode and 5403 // not launch them if it's present. Don't bother checking on devices 5404 // that don't have 64 bit support. 5405 String[] abiList = Build.SUPPORTED_ABIS; 5406 boolean hasLegacyRenderscriptBitcode = false; 5407 if (abiOverride != null) { 5408 abiList = new String[] { abiOverride }; 5409 } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 5410 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5411 abiList = Build.SUPPORTED_32_BIT_ABIS; 5412 hasLegacyRenderscriptBitcode = true; 5413 } 5414 5415 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5416 final String dataPathString = dataPath.getCanonicalPath(); 5417 5418 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5419 /* 5420 * Upgrading from a previous version of the OS sometimes 5421 * leaves native libraries in the /data/data/<app>/lib 5422 * directory for system apps even when they shouldn't be. 5423 * Recent changes in the JNI library search path 5424 * necessitates we remove those to match previous behavior. 5425 */ 5426 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5427 Log.i(TAG, "removed obsolete native libraries for system package " 5428 + path); 5429 } 5430 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5431 pkg.applicationInfo.cpuAbi = abiList[0]; 5432 pkgSetting.cpuAbiString = abiList[0]; 5433 } else { 5434 setInternalAppAbi(pkg, pkgSetting); 5435 } 5436 } else { 5437 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5438 /* 5439 * Update native library dir if it starts with 5440 * /data/data 5441 */ 5442 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5443 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5444 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5445 } 5446 5447 try { 5448 int copyRet = copyNativeLibrariesForInternalApp(handle, 5449 nativeLibraryDir, abiList); 5450 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5451 Slog.e(TAG, "Unable to copy native libraries"); 5452 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5453 return null; 5454 } 5455 5456 // We've successfully copied native libraries across, so we make a 5457 // note of what ABI we're using 5458 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5459 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5460 } else if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5461 pkg.applicationInfo.cpuAbi = abiList[0]; 5462 } else { 5463 pkg.applicationInfo.cpuAbi = null; 5464 } 5465 } catch (IOException e) { 5466 Slog.e(TAG, "Unable to copy native libraries", e); 5467 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5468 return null; 5469 } 5470 } else { 5471 // We don't have to copy the shared libraries if we're in the ASEC container 5472 // but we still need to scan the file to figure out what ABI the app needs. 5473 // 5474 // TODO: This duplicates work done in the default container service. It's possible 5475 // to clean this up but we'll need to change the interface between this service 5476 // and IMediaContainerService (but doing so will spread this logic out, rather 5477 // than centralizing it). 5478 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5479 if (abi >= 0) { 5480 pkg.applicationInfo.cpuAbi = abiList[abi]; 5481 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5482 // Note that (non upgraded) system apps will not have any native 5483 // libraries bundled in their APK, but we're guaranteed not to be 5484 // such an app at this point. 5485 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5486 pkg.applicationInfo.cpuAbi = abiList[0]; 5487 } else { 5488 pkg.applicationInfo.cpuAbi = null; 5489 } 5490 } else { 5491 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5492 return null; 5493 } 5494 } 5495 5496 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5497 final int[] userIds = sUserManager.getUserIds(); 5498 synchronized (mInstallLock) { 5499 for (int userId : userIds) { 5500 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5501 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5502 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5503 + ")"); 5504 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5505 return null; 5506 } 5507 } 5508 } 5509 } 5510 5511 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5512 } catch (IOException ioe) { 5513 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5514 } finally { 5515 handle.close(); 5516 } 5517 } 5518 pkg.mScanPath = path; 5519 5520 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5521 // We don't do this here during boot because we can do it all 5522 // at once after scanning all existing packages. 5523 // 5524 // We also do this *before* we perform dexopt on this package, so that 5525 // we can avoid redundant dexopts, and also to make sure we've got the 5526 // code and package path correct. 5527 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5528 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5529 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5530 return null; 5531 } 5532 } 5533 5534 if ((scanMode&SCAN_NO_DEX) == 0) { 5535 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5536 == DEX_OPT_FAILED) { 5537 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5538 removeDataDirsLI(pkg.packageName); 5539 } 5540 5541 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5542 return null; 5543 } 5544 } 5545 5546 if (mFactoryTest && pkg.requestedPermissions.contains( 5547 android.Manifest.permission.FACTORY_TEST)) { 5548 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5549 } 5550 5551 ArrayList<PackageParser.Package> clientLibPkgs = null; 5552 5553 // writer 5554 synchronized (mPackages) { 5555 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5556 // Only system apps can add new shared libraries. 5557 if (pkg.libraryNames != null) { 5558 for (int i=0; i<pkg.libraryNames.size(); i++) { 5559 String name = pkg.libraryNames.get(i); 5560 boolean allowed = false; 5561 if (isUpdatedSystemApp(pkg)) { 5562 // New library entries can only be added through the 5563 // system image. This is important to get rid of a lot 5564 // of nasty edge cases: for example if we allowed a non- 5565 // system update of the app to add a library, then uninstalling 5566 // the update would make the library go away, and assumptions 5567 // we made such as through app install filtering would now 5568 // have allowed apps on the device which aren't compatible 5569 // with it. Better to just have the restriction here, be 5570 // conservative, and create many fewer cases that can negatively 5571 // impact the user experience. 5572 final PackageSetting sysPs = mSettings 5573 .getDisabledSystemPkgLPr(pkg.packageName); 5574 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5575 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5576 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5577 allowed = true; 5578 allowed = true; 5579 break; 5580 } 5581 } 5582 } 5583 } else { 5584 allowed = true; 5585 } 5586 if (allowed) { 5587 if (!mSharedLibraries.containsKey(name)) { 5588 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5589 } else if (!name.equals(pkg.packageName)) { 5590 Slog.w(TAG, "Package " + pkg.packageName + " library " 5591 + name + " already exists; skipping"); 5592 } 5593 } else { 5594 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5595 + name + " that is not declared on system image; skipping"); 5596 } 5597 } 5598 if ((scanMode&SCAN_BOOTING) == 0) { 5599 // If we are not booting, we need to update any applications 5600 // that are clients of our shared library. If we are booting, 5601 // this will all be done once the scan is complete. 5602 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5603 } 5604 } 5605 } 5606 } 5607 5608 // We also need to dexopt any apps that are dependent on this library. Note that 5609 // if these fail, we should abort the install since installing the library will 5610 // result in some apps being broken. 5611 if (clientLibPkgs != null) { 5612 if ((scanMode&SCAN_NO_DEX) == 0) { 5613 for (int i=0; i<clientLibPkgs.size(); i++) { 5614 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5615 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5616 == DEX_OPT_FAILED) { 5617 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5618 removeDataDirsLI(pkg.packageName); 5619 } 5620 5621 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5622 return null; 5623 } 5624 } 5625 } 5626 } 5627 5628 // Request the ActivityManager to kill the process(only for existing packages) 5629 // so that we do not end up in a confused state while the user is still using the older 5630 // version of the application while the new one gets installed. 5631 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5632 // If the package lives in an asec, tell everyone that the container is going 5633 // away so they can clean up any references to its resources (which would prevent 5634 // vold from being able to unmount the asec) 5635 if (isForwardLocked(pkg) || isExternal(pkg)) { 5636 if (DEBUG_INSTALL) { 5637 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5638 } 5639 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5640 final ArrayList<String> pkgList = new ArrayList<String>(1); 5641 pkgList.add(pkg.applicationInfo.packageName); 5642 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5643 } 5644 5645 // Post the request that it be killed now that the going-away broadcast is en route 5646 killApplication(pkg.applicationInfo.packageName, 5647 pkg.applicationInfo.uid, "update pkg"); 5648 } 5649 5650 // Also need to kill any apps that are dependent on the library. 5651 if (clientLibPkgs != null) { 5652 for (int i=0; i<clientLibPkgs.size(); i++) { 5653 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5654 killApplication(clientPkg.applicationInfo.packageName, 5655 clientPkg.applicationInfo.uid, "update lib"); 5656 } 5657 } 5658 5659 // writer 5660 synchronized (mPackages) { 5661 // We don't expect installation to fail beyond this point, 5662 if ((scanMode&SCAN_MONITOR) != 0) { 5663 mAppDirs.put(pkg.mPath, pkg); 5664 } 5665 // Add the new setting to mSettings 5666 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5667 // Add the new setting to mPackages 5668 mPackages.put(pkg.applicationInfo.packageName, pkg); 5669 // Make sure we don't accidentally delete its data. 5670 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5671 while (iter.hasNext()) { 5672 PackageCleanItem item = iter.next(); 5673 if (pkgName.equals(item.packageName)) { 5674 iter.remove(); 5675 } 5676 } 5677 5678 // Take care of first install / last update times. 5679 if (currentTime != 0) { 5680 if (pkgSetting.firstInstallTime == 0) { 5681 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5682 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5683 pkgSetting.lastUpdateTime = currentTime; 5684 } 5685 } else if (pkgSetting.firstInstallTime == 0) { 5686 // We need *something*. Take time time stamp of the file. 5687 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5688 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5689 if (scanFileTime != pkgSetting.timeStamp) { 5690 // A package on the system image has changed; consider this 5691 // to be an update. 5692 pkgSetting.lastUpdateTime = scanFileTime; 5693 } 5694 } 5695 5696 // Add the package's KeySets to the global KeySetManager 5697 KeySetManager ksm = mSettings.mKeySetManager; 5698 try { 5699 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5700 if (pkg.mKeySetMapping != null) { 5701 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5702 if (entry.getValue() != null) { 5703 ksm.addDefinedKeySetToPackage(pkg.packageName, 5704 entry.getValue(), entry.getKey()); 5705 } 5706 } 5707 } 5708 } catch (NullPointerException e) { 5709 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5710 } catch (IllegalArgumentException e) { 5711 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5712 } 5713 5714 int N = pkg.providers.size(); 5715 StringBuilder r = null; 5716 int i; 5717 for (i=0; i<N; i++) { 5718 PackageParser.Provider p = pkg.providers.get(i); 5719 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5720 p.info.processName, pkg.applicationInfo.uid); 5721 mProviders.addProvider(p); 5722 p.syncable = p.info.isSyncable; 5723 if (p.info.authority != null) { 5724 String names[] = p.info.authority.split(";"); 5725 p.info.authority = null; 5726 for (int j = 0; j < names.length; j++) { 5727 if (j == 1 && p.syncable) { 5728 // We only want the first authority for a provider to possibly be 5729 // syncable, so if we already added this provider using a different 5730 // authority clear the syncable flag. We copy the provider before 5731 // changing it because the mProviders object contains a reference 5732 // to a provider that we don't want to change. 5733 // Only do this for the second authority since the resulting provider 5734 // object can be the same for all future authorities for this provider. 5735 p = new PackageParser.Provider(p); 5736 p.syncable = false; 5737 } 5738 if (!mProvidersByAuthority.containsKey(names[j])) { 5739 mProvidersByAuthority.put(names[j], p); 5740 if (p.info.authority == null) { 5741 p.info.authority = names[j]; 5742 } else { 5743 p.info.authority = p.info.authority + ";" + names[j]; 5744 } 5745 if (DEBUG_PACKAGE_SCANNING) { 5746 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5747 Log.d(TAG, "Registered content provider: " + names[j] 5748 + ", className = " + p.info.name + ", isSyncable = " 5749 + p.info.isSyncable); 5750 } 5751 } else { 5752 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5753 Slog.w(TAG, "Skipping provider name " + names[j] + 5754 " (in package " + pkg.applicationInfo.packageName + 5755 "): name already used by " 5756 + ((other != null && other.getComponentName() != null) 5757 ? other.getComponentName().getPackageName() : "?")); 5758 } 5759 } 5760 } 5761 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5762 if (r == null) { 5763 r = new StringBuilder(256); 5764 } else { 5765 r.append(' '); 5766 } 5767 r.append(p.info.name); 5768 } 5769 } 5770 if (r != null) { 5771 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5772 } 5773 5774 N = pkg.services.size(); 5775 r = null; 5776 for (i=0; i<N; i++) { 5777 PackageParser.Service s = pkg.services.get(i); 5778 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5779 s.info.processName, pkg.applicationInfo.uid); 5780 mServices.addService(s); 5781 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5782 if (r == null) { 5783 r = new StringBuilder(256); 5784 } else { 5785 r.append(' '); 5786 } 5787 r.append(s.info.name); 5788 } 5789 } 5790 if (r != null) { 5791 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5792 } 5793 5794 N = pkg.receivers.size(); 5795 r = null; 5796 for (i=0; i<N; i++) { 5797 PackageParser.Activity a = pkg.receivers.get(i); 5798 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5799 a.info.processName, pkg.applicationInfo.uid); 5800 mReceivers.addActivity(a, "receiver"); 5801 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5802 if (r == null) { 5803 r = new StringBuilder(256); 5804 } else { 5805 r.append(' '); 5806 } 5807 r.append(a.info.name); 5808 } 5809 } 5810 if (r != null) { 5811 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5812 } 5813 5814 N = pkg.activities.size(); 5815 r = null; 5816 for (i=0; i<N; i++) { 5817 PackageParser.Activity a = pkg.activities.get(i); 5818 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5819 a.info.processName, pkg.applicationInfo.uid); 5820 mActivities.addActivity(a, "activity"); 5821 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5822 if (r == null) { 5823 r = new StringBuilder(256); 5824 } else { 5825 r.append(' '); 5826 } 5827 r.append(a.info.name); 5828 } 5829 } 5830 if (r != null) { 5831 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5832 } 5833 5834 N = pkg.permissionGroups.size(); 5835 r = null; 5836 for (i=0; i<N; i++) { 5837 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5838 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5839 if (cur == null) { 5840 mPermissionGroups.put(pg.info.name, pg); 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(pg.info.name); 5848 } 5849 } else { 5850 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5851 + pg.info.packageName + " ignored: original from " 5852 + cur.info.packageName); 5853 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5854 if (r == null) { 5855 r = new StringBuilder(256); 5856 } else { 5857 r.append(' '); 5858 } 5859 r.append("DUP:"); 5860 r.append(pg.info.name); 5861 } 5862 } 5863 } 5864 if (r != null) { 5865 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5866 } 5867 5868 N = pkg.permissions.size(); 5869 r = null; 5870 for (i=0; i<N; i++) { 5871 PackageParser.Permission p = pkg.permissions.get(i); 5872 HashMap<String, BasePermission> permissionMap = 5873 p.tree ? mSettings.mPermissionTrees 5874 : mSettings.mPermissions; 5875 p.group = mPermissionGroups.get(p.info.group); 5876 if (p.info.group == null || p.group != null) { 5877 BasePermission bp = permissionMap.get(p.info.name); 5878 if (bp == null) { 5879 bp = new BasePermission(p.info.name, p.info.packageName, 5880 BasePermission.TYPE_NORMAL); 5881 permissionMap.put(p.info.name, bp); 5882 } 5883 if (bp.perm == null) { 5884 if (bp.sourcePackage != null 5885 && !bp.sourcePackage.equals(p.info.packageName)) { 5886 // If this is a permission that was formerly defined by a non-system 5887 // app, but is now defined by a system app (following an upgrade), 5888 // discard the previous declaration and consider the system's to be 5889 // canonical. 5890 if (isSystemApp(p.owner)) { 5891 String msg = "New decl " + p.owner + " of permission " 5892 + p.info.name + " is system"; 5893 reportSettingsProblem(Log.WARN, msg); 5894 bp.sourcePackage = null; 5895 } 5896 } 5897 if (bp.sourcePackage == null 5898 || bp.sourcePackage.equals(p.info.packageName)) { 5899 BasePermission tree = findPermissionTreeLP(p.info.name); 5900 if (tree == null 5901 || tree.sourcePackage.equals(p.info.packageName)) { 5902 bp.packageSetting = pkgSetting; 5903 bp.perm = p; 5904 bp.uid = pkg.applicationInfo.uid; 5905 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5906 if (r == null) { 5907 r = new StringBuilder(256); 5908 } else { 5909 r.append(' '); 5910 } 5911 r.append(p.info.name); 5912 } 5913 } else { 5914 Slog.w(TAG, "Permission " + p.info.name + " from package " 5915 + p.info.packageName + " ignored: base tree " 5916 + tree.name + " is from package " 5917 + tree.sourcePackage); 5918 } 5919 } else { 5920 Slog.w(TAG, "Permission " + p.info.name + " from package " 5921 + p.info.packageName + " ignored: original from " 5922 + bp.sourcePackage); 5923 } 5924 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5925 if (r == null) { 5926 r = new StringBuilder(256); 5927 } else { 5928 r.append(' '); 5929 } 5930 r.append("DUP:"); 5931 r.append(p.info.name); 5932 } 5933 if (bp.perm == p) { 5934 bp.protectionLevel = p.info.protectionLevel; 5935 } 5936 } else { 5937 Slog.w(TAG, "Permission " + p.info.name + " from package " 5938 + p.info.packageName + " ignored: no group " 5939 + p.group); 5940 } 5941 } 5942 if (r != null) { 5943 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5944 } 5945 5946 N = pkg.instrumentation.size(); 5947 r = null; 5948 for (i=0; i<N; i++) { 5949 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5950 a.info.packageName = pkg.applicationInfo.packageName; 5951 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5952 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5953 a.info.dataDir = pkg.applicationInfo.dataDir; 5954 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5955 mInstrumentation.put(a.getComponentName(), a); 5956 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5957 if (r == null) { 5958 r = new StringBuilder(256); 5959 } else { 5960 r.append(' '); 5961 } 5962 r.append(a.info.name); 5963 } 5964 } 5965 if (r != null) { 5966 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5967 } 5968 5969 if (pkg.protectedBroadcasts != null) { 5970 N = pkg.protectedBroadcasts.size(); 5971 for (i=0; i<N; i++) { 5972 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5973 } 5974 } 5975 5976 pkgSetting.setTimeStamp(scanFileTime); 5977 5978 // Create idmap files for pairs of (packages, overlay packages). 5979 // Note: "android", ie framework-res.apk, is handled by native layers. 5980 if (pkg.mOverlayTarget != null) { 5981 // This is an overlay package. 5982 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5983 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5984 mOverlays.put(pkg.mOverlayTarget, 5985 new HashMap<String, PackageParser.Package>()); 5986 } 5987 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5988 map.put(pkg.packageName, pkg); 5989 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5990 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5991 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5992 return null; 5993 } 5994 } 5995 } else if (mOverlays.containsKey(pkg.packageName) && 5996 !pkg.packageName.equals("android")) { 5997 // This is a regular package, with one or more known overlay packages. 5998 createIdmapsForPackageLI(pkg); 5999 } 6000 } 6001 6002 return pkg; 6003 } 6004 6005 /** 6006 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6007 * i.e, so that all packages can be run inside a single process if required. 6008 * 6009 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6010 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6011 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6012 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6013 * updating a package that belongs to a shared user. 6014 */ 6015 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6016 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6017 String requiredInstructionSet = null; 6018 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 6019 requiredInstructionSet = VMRuntime.getInstructionSet( 6020 scannedPackage.applicationInfo.cpuAbi); 6021 } 6022 6023 PackageSetting requirer = null; 6024 for (PackageSetting ps : packagesForUser) { 6025 // If packagesForUser contains scannedPackage, we skip it. This will happen 6026 // when scannedPackage is an update of an existing package. Without this check, 6027 // we will never be able to change the ABI of any package belonging to a shared 6028 // user, even if it's compatible with other packages. 6029 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 6030 if (ps.cpuAbiString == null) { 6031 continue; 6032 } 6033 6034 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 6035 if (requiredInstructionSet != null) { 6036 if (!instructionSet.equals(requiredInstructionSet)) { 6037 // We have a mismatch between instruction sets (say arm vs arm64). 6038 // bail out. 6039 String errorMessage = "Instruction set mismatch, " 6040 + ((requirer == null) ? "[caller]" : requirer) 6041 + " requires " + requiredInstructionSet + " whereas " + ps 6042 + " requires " + instructionSet; 6043 Slog.e(TAG, errorMessage); 6044 6045 reportSettingsProblem(Log.WARN, errorMessage); 6046 // Give up, don't bother making any other changes to the package settings. 6047 return false; 6048 } 6049 } else { 6050 requiredInstructionSet = instructionSet; 6051 requirer = ps; 6052 } 6053 } 6054 } 6055 6056 if (requiredInstructionSet != null) { 6057 String adjustedAbi; 6058 if (requirer != null) { 6059 // requirer != null implies that either scannedPackage was null or that scannedPackage 6060 // did not require an ABI, in which case we have to adjust scannedPackage to match 6061 // the ABI of the set (which is the same as requirer's ABI) 6062 adjustedAbi = requirer.cpuAbiString; 6063 if (scannedPackage != null) { 6064 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 6065 } 6066 } else { 6067 // requirer == null implies that we're updating all ABIs in the set to 6068 // match scannedPackage. 6069 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 6070 } 6071 6072 for (PackageSetting ps : packagesForUser) { 6073 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6074 if (ps.cpuAbiString != null) { 6075 continue; 6076 } 6077 6078 ps.cpuAbiString = adjustedAbi; 6079 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6080 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 6081 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6082 6083 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6084 ps.cpuAbiString = null; 6085 ps.pkg.applicationInfo.cpuAbi = null; 6086 return false; 6087 } else { 6088 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6089 } 6090 } 6091 } 6092 } 6093 } 6094 6095 return true; 6096 } 6097 6098 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6099 synchronized (mPackages) { 6100 mResolverReplaced = true; 6101 // Set up information for custom user intent resolution activity. 6102 mResolveActivity.applicationInfo = pkg.applicationInfo; 6103 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6104 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6105 mResolveActivity.processName = null; 6106 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6107 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6108 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6109 mResolveActivity.theme = 0; 6110 mResolveActivity.exported = true; 6111 mResolveActivity.enabled = true; 6112 mResolveInfo.activityInfo = mResolveActivity; 6113 mResolveInfo.priority = 0; 6114 mResolveInfo.preferredOrder = 0; 6115 mResolveInfo.match = 0; 6116 mResolveComponentName = mCustomResolverComponentName; 6117 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6118 mResolveComponentName); 6119 } 6120 } 6121 6122 private String calculateApkRoot(final String codePathString) { 6123 final File codePath = new File(codePathString); 6124 final File codeRoot; 6125 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6126 codeRoot = Environment.getRootDirectory(); 6127 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6128 codeRoot = Environment.getOemDirectory(); 6129 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6130 codeRoot = Environment.getVendorDirectory(); 6131 } else { 6132 // Unrecognized code path; take its top real segment as the apk root: 6133 // e.g. /something/app/blah.apk => /something 6134 try { 6135 File f = codePath.getCanonicalFile(); 6136 File parent = f.getParentFile(); // non-null because codePath is a file 6137 File tmp; 6138 while ((tmp = parent.getParentFile()) != null) { 6139 f = parent; 6140 parent = tmp; 6141 } 6142 codeRoot = f; 6143 Slog.w(TAG, "Unrecognized code path " 6144 + codePath + " - using " + codeRoot); 6145 } catch (IOException e) { 6146 // Can't canonicalize the lib path -- shenanigans? 6147 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6148 return Environment.getRootDirectory().getPath(); 6149 } 6150 } 6151 return codeRoot.getPath(); 6152 } 6153 6154 // This is the initial scan-time determination of how to handle a given 6155 // package for purposes of native library location. 6156 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6157 PackageSetting pkgSetting) { 6158 // "bundled" here means system-installed with no overriding update 6159 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6160 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6161 final File libDir; 6162 if (bundledApk) { 6163 // If "/system/lib64/apkname" exists, assume that is the per-package 6164 // native library directory to use; otherwise use "/system/lib/apkname". 6165 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6166 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6167 File packLib64 = new File(lib64, apkName); 6168 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6169 } else { 6170 libDir = mAppLibInstallDir; 6171 } 6172 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6173 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6174 // pkgSetting might be null during rescan following uninstall of updates 6175 // to a bundled app, so accommodate that possibility. The settings in 6176 // that case will be established later from the parsed package. 6177 if (pkgSetting != null) { 6178 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6179 } 6180 } 6181 6182 // Deduces the required ABI of an upgraded system app. 6183 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6184 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6185 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6186 6187 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6188 // or similar. 6189 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6190 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6191 6192 // Assume that the bundled native libraries always correspond to the 6193 // most preferred 32 or 64 bit ABI. 6194 if (lib64.exists()) { 6195 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6196 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6197 } else if (lib.exists()) { 6198 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6199 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6200 } else { 6201 // This is the case where the app has no native code. 6202 pkg.applicationInfo.cpuAbi = null; 6203 pkgSetting.cpuAbiString = null; 6204 } 6205 } 6206 6207 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 6208 final File nativeLibraryDir, String[] abiList) throws IOException { 6209 if (!nativeLibraryDir.isDirectory()) { 6210 nativeLibraryDir.delete(); 6211 6212 if (!nativeLibraryDir.mkdir()) { 6213 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6214 } 6215 6216 try { 6217 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6218 } catch (ErrnoException e) { 6219 throw new IOException("Cannot chmod native library directory " 6220 + nativeLibraryDir.getPath(), e); 6221 } 6222 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6223 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6224 } 6225 6226 /* 6227 * If this is an internal application or our nativeLibraryPath points to 6228 * the app-lib directory, unpack the libraries if necessary. 6229 */ 6230 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6231 if (abi >= 0) { 6232 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6233 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6234 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6235 return copyRet; 6236 } 6237 } 6238 6239 return abi; 6240 } 6241 6242 private void killApplication(String pkgName, int appId, String reason) { 6243 // Request the ActivityManager to kill the process(only for existing packages) 6244 // so that we do not end up in a confused state while the user is still using the older 6245 // version of the application while the new one gets installed. 6246 IActivityManager am = ActivityManagerNative.getDefault(); 6247 if (am != null) { 6248 try { 6249 am.killApplicationWithAppId(pkgName, appId, reason); 6250 } catch (RemoteException e) { 6251 } 6252 } 6253 } 6254 6255 void removePackageLI(PackageSetting ps, boolean chatty) { 6256 if (DEBUG_INSTALL) { 6257 if (chatty) 6258 Log.d(TAG, "Removing package " + ps.name); 6259 } 6260 6261 // writer 6262 synchronized (mPackages) { 6263 mPackages.remove(ps.name); 6264 if (ps.codePathString != null) { 6265 mAppDirs.remove(ps.codePathString); 6266 } 6267 6268 final PackageParser.Package pkg = ps.pkg; 6269 if (pkg != null) { 6270 cleanPackageDataStructuresLILPw(pkg, chatty); 6271 } 6272 } 6273 } 6274 6275 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6276 if (DEBUG_INSTALL) { 6277 if (chatty) 6278 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6279 } 6280 6281 // writer 6282 synchronized (mPackages) { 6283 mPackages.remove(pkg.applicationInfo.packageName); 6284 if (pkg.mPath != null) { 6285 mAppDirs.remove(pkg.mPath); 6286 } 6287 cleanPackageDataStructuresLILPw(pkg, chatty); 6288 } 6289 } 6290 6291 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6292 int N = pkg.providers.size(); 6293 StringBuilder r = null; 6294 int i; 6295 for (i=0; i<N; i++) { 6296 PackageParser.Provider p = pkg.providers.get(i); 6297 mProviders.removeProvider(p); 6298 if (p.info.authority == null) { 6299 6300 /* There was another ContentProvider with this authority when 6301 * this app was installed so this authority is null, 6302 * Ignore it as we don't have to unregister the provider. 6303 */ 6304 continue; 6305 } 6306 String names[] = p.info.authority.split(";"); 6307 for (int j = 0; j < names.length; j++) { 6308 if (mProvidersByAuthority.get(names[j]) == p) { 6309 mProvidersByAuthority.remove(names[j]); 6310 if (DEBUG_REMOVE) { 6311 if (chatty) 6312 Log.d(TAG, "Unregistered content provider: " + names[j] 6313 + ", className = " + p.info.name + ", isSyncable = " 6314 + p.info.isSyncable); 6315 } 6316 } 6317 } 6318 if (DEBUG_REMOVE && chatty) { 6319 if (r == null) { 6320 r = new StringBuilder(256); 6321 } else { 6322 r.append(' '); 6323 } 6324 r.append(p.info.name); 6325 } 6326 } 6327 if (r != null) { 6328 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6329 } 6330 6331 N = pkg.services.size(); 6332 r = null; 6333 for (i=0; i<N; i++) { 6334 PackageParser.Service s = pkg.services.get(i); 6335 mServices.removeService(s); 6336 if (chatty) { 6337 if (r == null) { 6338 r = new StringBuilder(256); 6339 } else { 6340 r.append(' '); 6341 } 6342 r.append(s.info.name); 6343 } 6344 } 6345 if (r != null) { 6346 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6347 } 6348 6349 N = pkg.receivers.size(); 6350 r = null; 6351 for (i=0; i<N; i++) { 6352 PackageParser.Activity a = pkg.receivers.get(i); 6353 mReceivers.removeActivity(a, "receiver"); 6354 if (DEBUG_REMOVE && chatty) { 6355 if (r == null) { 6356 r = new StringBuilder(256); 6357 } else { 6358 r.append(' '); 6359 } 6360 r.append(a.info.name); 6361 } 6362 } 6363 if (r != null) { 6364 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6365 } 6366 6367 N = pkg.activities.size(); 6368 r = null; 6369 for (i=0; i<N; i++) { 6370 PackageParser.Activity a = pkg.activities.get(i); 6371 mActivities.removeActivity(a, "activity"); 6372 if (DEBUG_REMOVE && chatty) { 6373 if (r == null) { 6374 r = new StringBuilder(256); 6375 } else { 6376 r.append(' '); 6377 } 6378 r.append(a.info.name); 6379 } 6380 } 6381 if (r != null) { 6382 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6383 } 6384 6385 N = pkg.permissions.size(); 6386 r = null; 6387 for (i=0; i<N; i++) { 6388 PackageParser.Permission p = pkg.permissions.get(i); 6389 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6390 if (bp == null) { 6391 bp = mSettings.mPermissionTrees.get(p.info.name); 6392 } 6393 if (bp != null && bp.perm == p) { 6394 bp.perm = null; 6395 if (DEBUG_REMOVE && chatty) { 6396 if (r == null) { 6397 r = new StringBuilder(256); 6398 } else { 6399 r.append(' '); 6400 } 6401 r.append(p.info.name); 6402 } 6403 } 6404 } 6405 if (r != null) { 6406 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6407 } 6408 6409 N = pkg.instrumentation.size(); 6410 r = null; 6411 for (i=0; i<N; i++) { 6412 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6413 mInstrumentation.remove(a.getComponentName()); 6414 if (DEBUG_REMOVE && chatty) { 6415 if (r == null) { 6416 r = new StringBuilder(256); 6417 } else { 6418 r.append(' '); 6419 } 6420 r.append(a.info.name); 6421 } 6422 } 6423 if (r != null) { 6424 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6425 } 6426 6427 r = null; 6428 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6429 // Only system apps can hold shared libraries. 6430 if (pkg.libraryNames != null) { 6431 for (i=0; i<pkg.libraryNames.size(); i++) { 6432 String name = pkg.libraryNames.get(i); 6433 SharedLibraryEntry cur = mSharedLibraries.get(name); 6434 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6435 mSharedLibraries.remove(name); 6436 if (DEBUG_REMOVE && chatty) { 6437 if (r == null) { 6438 r = new StringBuilder(256); 6439 } else { 6440 r.append(' '); 6441 } 6442 r.append(name); 6443 } 6444 } 6445 } 6446 } 6447 } 6448 if (r != null) { 6449 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6450 } 6451 } 6452 6453 private static final boolean isPackageFilename(String name) { 6454 return name != null && name.endsWith(".apk"); 6455 } 6456 6457 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6458 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6459 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6460 return true; 6461 } 6462 } 6463 return false; 6464 } 6465 6466 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6467 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6468 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6469 6470 private void updatePermissionsLPw(String changingPkg, 6471 PackageParser.Package pkgInfo, int flags) { 6472 // Make sure there are no dangling permission trees. 6473 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6474 while (it.hasNext()) { 6475 final BasePermission bp = it.next(); 6476 if (bp.packageSetting == null) { 6477 // We may not yet have parsed the package, so just see if 6478 // we still know about its settings. 6479 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6480 } 6481 if (bp.packageSetting == null) { 6482 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6483 + " from package " + bp.sourcePackage); 6484 it.remove(); 6485 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6486 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6487 Slog.i(TAG, "Removing old permission tree: " + bp.name 6488 + " from package " + bp.sourcePackage); 6489 flags |= UPDATE_PERMISSIONS_ALL; 6490 it.remove(); 6491 } 6492 } 6493 } 6494 6495 // Make sure all dynamic permissions have been assigned to a package, 6496 // and make sure there are no dangling permissions. 6497 it = mSettings.mPermissions.values().iterator(); 6498 while (it.hasNext()) { 6499 final BasePermission bp = it.next(); 6500 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6501 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6502 + bp.name + " pkg=" + bp.sourcePackage 6503 + " info=" + bp.pendingInfo); 6504 if (bp.packageSetting == null && bp.pendingInfo != null) { 6505 final BasePermission tree = findPermissionTreeLP(bp.name); 6506 if (tree != null && tree.perm != null) { 6507 bp.packageSetting = tree.packageSetting; 6508 bp.perm = new PackageParser.Permission(tree.perm.owner, 6509 new PermissionInfo(bp.pendingInfo)); 6510 bp.perm.info.packageName = tree.perm.info.packageName; 6511 bp.perm.info.name = bp.name; 6512 bp.uid = tree.uid; 6513 } 6514 } 6515 } 6516 if (bp.packageSetting == null) { 6517 // We may not yet have parsed the package, so just see if 6518 // we still know about its settings. 6519 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6520 } 6521 if (bp.packageSetting == null) { 6522 Slog.w(TAG, "Removing dangling permission: " + bp.name 6523 + " from package " + bp.sourcePackage); 6524 it.remove(); 6525 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6526 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6527 Slog.i(TAG, "Removing old permission: " + bp.name 6528 + " from package " + bp.sourcePackage); 6529 flags |= UPDATE_PERMISSIONS_ALL; 6530 it.remove(); 6531 } 6532 } 6533 } 6534 6535 // Now update the permissions for all packages, in particular 6536 // replace the granted permissions of the system packages. 6537 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6538 for (PackageParser.Package pkg : mPackages.values()) { 6539 if (pkg != pkgInfo) { 6540 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6541 } 6542 } 6543 } 6544 6545 if (pkgInfo != null) { 6546 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6547 } 6548 } 6549 6550 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6551 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6552 if (ps == null) { 6553 return; 6554 } 6555 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6556 HashSet<String> origPermissions = gp.grantedPermissions; 6557 boolean changedPermission = false; 6558 6559 if (replace) { 6560 ps.permissionsFixed = false; 6561 if (gp == ps) { 6562 origPermissions = new HashSet<String>(gp.grantedPermissions); 6563 gp.grantedPermissions.clear(); 6564 gp.gids = mGlobalGids; 6565 } 6566 } 6567 6568 if (gp.gids == null) { 6569 gp.gids = mGlobalGids; 6570 } 6571 6572 final int N = pkg.requestedPermissions.size(); 6573 for (int i=0; i<N; i++) { 6574 final String name = pkg.requestedPermissions.get(i); 6575 final boolean required = pkg.requestedPermissionsRequired.get(i); 6576 final BasePermission bp = mSettings.mPermissions.get(name); 6577 if (DEBUG_INSTALL) { 6578 if (gp != ps) { 6579 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6580 } 6581 } 6582 6583 if (bp == null || bp.packageSetting == null) { 6584 Slog.w(TAG, "Unknown permission " + name 6585 + " in package " + pkg.packageName); 6586 continue; 6587 } 6588 6589 final String perm = bp.name; 6590 boolean allowed; 6591 boolean allowedSig = false; 6592 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6593 if (level == PermissionInfo.PROTECTION_NORMAL 6594 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6595 // We grant a normal or dangerous permission if any of the following 6596 // are true: 6597 // 1) The permission is required 6598 // 2) The permission is optional, but was granted in the past 6599 // 3) The permission is optional, but was requested by an 6600 // app in /system (not /data) 6601 // 6602 // Otherwise, reject the permission. 6603 allowed = (required || origPermissions.contains(perm) 6604 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6605 } else if (bp.packageSetting == null) { 6606 // This permission is invalid; skip it. 6607 allowed = false; 6608 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6609 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6610 if (allowed) { 6611 allowedSig = true; 6612 } 6613 } else { 6614 allowed = false; 6615 } 6616 if (DEBUG_INSTALL) { 6617 if (gp != ps) { 6618 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6619 } 6620 } 6621 if (allowed) { 6622 if (!isSystemApp(ps) && ps.permissionsFixed) { 6623 // If this is an existing, non-system package, then 6624 // we can't add any new permissions to it. 6625 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6626 // Except... if this is a permission that was added 6627 // to the platform (note: need to only do this when 6628 // updating the platform). 6629 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6630 } 6631 } 6632 if (allowed) { 6633 if (!gp.grantedPermissions.contains(perm)) { 6634 changedPermission = true; 6635 gp.grantedPermissions.add(perm); 6636 gp.gids = appendInts(gp.gids, bp.gids); 6637 } else if (!ps.haveGids) { 6638 gp.gids = appendInts(gp.gids, bp.gids); 6639 } 6640 } else { 6641 Slog.w(TAG, "Not granting permission " + perm 6642 + " to package " + pkg.packageName 6643 + " because it was previously installed without"); 6644 } 6645 } else { 6646 if (gp.grantedPermissions.remove(perm)) { 6647 changedPermission = true; 6648 gp.gids = removeInts(gp.gids, bp.gids); 6649 Slog.i(TAG, "Un-granting permission " + perm 6650 + " from package " + pkg.packageName 6651 + " (protectionLevel=" + bp.protectionLevel 6652 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6653 + ")"); 6654 } else { 6655 Slog.w(TAG, "Not granting permission " + perm 6656 + " to package " + pkg.packageName 6657 + " (protectionLevel=" + bp.protectionLevel 6658 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6659 + ")"); 6660 } 6661 } 6662 } 6663 6664 if ((changedPermission || replace) && !ps.permissionsFixed && 6665 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6666 // This is the first that we have heard about this package, so the 6667 // permissions we have now selected are fixed until explicitly 6668 // changed. 6669 ps.permissionsFixed = true; 6670 } 6671 ps.haveGids = true; 6672 } 6673 6674 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6675 boolean allowed = false; 6676 final int NP = PackageParser.NEW_PERMISSIONS.length; 6677 for (int ip=0; ip<NP; ip++) { 6678 final PackageParser.NewPermissionInfo npi 6679 = PackageParser.NEW_PERMISSIONS[ip]; 6680 if (npi.name.equals(perm) 6681 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6682 allowed = true; 6683 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6684 + pkg.packageName); 6685 break; 6686 } 6687 } 6688 return allowed; 6689 } 6690 6691 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6692 BasePermission bp, HashSet<String> origPermissions) { 6693 boolean allowed; 6694 allowed = (compareSignatures( 6695 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6696 == PackageManager.SIGNATURE_MATCH) 6697 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6698 == PackageManager.SIGNATURE_MATCH); 6699 if (!allowed && (bp.protectionLevel 6700 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6701 if (isSystemApp(pkg)) { 6702 // For updated system applications, a system permission 6703 // is granted only if it had been defined by the original application. 6704 if (isUpdatedSystemApp(pkg)) { 6705 final PackageSetting sysPs = mSettings 6706 .getDisabledSystemPkgLPr(pkg.packageName); 6707 final GrantedPermissions origGp = sysPs.sharedUser != null 6708 ? sysPs.sharedUser : sysPs; 6709 6710 if (origGp.grantedPermissions.contains(perm)) { 6711 // If the original was granted this permission, we take 6712 // that grant decision as read and propagate it to the 6713 // update. 6714 allowed = true; 6715 } else { 6716 // The system apk may have been updated with an older 6717 // version of the one on the data partition, but which 6718 // granted a new system permission that it didn't have 6719 // before. In this case we do want to allow the app to 6720 // now get the new permission if the ancestral apk is 6721 // privileged to get it. 6722 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6723 for (int j=0; 6724 j<sysPs.pkg.requestedPermissions.size(); j++) { 6725 if (perm.equals( 6726 sysPs.pkg.requestedPermissions.get(j))) { 6727 allowed = true; 6728 break; 6729 } 6730 } 6731 } 6732 } 6733 } else { 6734 allowed = isPrivilegedApp(pkg); 6735 } 6736 } 6737 } 6738 if (!allowed && (bp.protectionLevel 6739 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6740 // For development permissions, a development permission 6741 // is granted only if it was already granted. 6742 allowed = origPermissions.contains(perm); 6743 } 6744 return allowed; 6745 } 6746 6747 final class ActivityIntentResolver 6748 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6749 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6750 boolean defaultOnly, int userId) { 6751 if (!sUserManager.exists(userId)) return null; 6752 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6753 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6754 } 6755 6756 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6757 int userId) { 6758 if (!sUserManager.exists(userId)) return null; 6759 mFlags = flags; 6760 return super.queryIntent(intent, resolvedType, 6761 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6762 } 6763 6764 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6765 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6766 if (!sUserManager.exists(userId)) return null; 6767 if (packageActivities == null) { 6768 return null; 6769 } 6770 mFlags = flags; 6771 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6772 final int N = packageActivities.size(); 6773 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6774 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6775 6776 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6777 for (int i = 0; i < N; ++i) { 6778 intentFilters = packageActivities.get(i).intents; 6779 if (intentFilters != null && intentFilters.size() > 0) { 6780 PackageParser.ActivityIntentInfo[] array = 6781 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6782 intentFilters.toArray(array); 6783 listCut.add(array); 6784 } 6785 } 6786 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6787 } 6788 6789 public final void addActivity(PackageParser.Activity a, String type) { 6790 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6791 mActivities.put(a.getComponentName(), a); 6792 if (DEBUG_SHOW_INFO) 6793 Log.v( 6794 TAG, " " + type + " " + 6795 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6796 if (DEBUG_SHOW_INFO) 6797 Log.v(TAG, " Class=" + a.info.name); 6798 final int NI = a.intents.size(); 6799 for (int j=0; j<NI; j++) { 6800 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6801 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6802 intent.setPriority(0); 6803 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6804 + a.className + " with priority > 0, forcing to 0"); 6805 } 6806 if (DEBUG_SHOW_INFO) { 6807 Log.v(TAG, " IntentFilter:"); 6808 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6809 } 6810 if (!intent.debugCheck()) { 6811 Log.w(TAG, "==> For Activity " + a.info.name); 6812 } 6813 addFilter(intent); 6814 } 6815 } 6816 6817 public final void removeActivity(PackageParser.Activity a, String type) { 6818 mActivities.remove(a.getComponentName()); 6819 if (DEBUG_SHOW_INFO) { 6820 Log.v(TAG, " " + type + " " 6821 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6822 : a.info.name) + ":"); 6823 Log.v(TAG, " Class=" + a.info.name); 6824 } 6825 final int NI = a.intents.size(); 6826 for (int j=0; j<NI; j++) { 6827 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6828 if (DEBUG_SHOW_INFO) { 6829 Log.v(TAG, " IntentFilter:"); 6830 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6831 } 6832 removeFilter(intent); 6833 } 6834 } 6835 6836 @Override 6837 protected boolean allowFilterResult( 6838 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6839 ActivityInfo filterAi = filter.activity.info; 6840 for (int i=dest.size()-1; i>=0; i--) { 6841 ActivityInfo destAi = dest.get(i).activityInfo; 6842 if (destAi.name == filterAi.name 6843 && destAi.packageName == filterAi.packageName) { 6844 return false; 6845 } 6846 } 6847 return true; 6848 } 6849 6850 @Override 6851 protected ActivityIntentInfo[] newArray(int size) { 6852 return new ActivityIntentInfo[size]; 6853 } 6854 6855 @Override 6856 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6857 if (!sUserManager.exists(userId)) return true; 6858 PackageParser.Package p = filter.activity.owner; 6859 if (p != null) { 6860 PackageSetting ps = (PackageSetting)p.mExtras; 6861 if (ps != null) { 6862 // System apps are never considered stopped for purposes of 6863 // filtering, because there may be no way for the user to 6864 // actually re-launch them. 6865 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6866 && ps.getStopped(userId); 6867 } 6868 } 6869 return false; 6870 } 6871 6872 @Override 6873 protected boolean isPackageForFilter(String packageName, 6874 PackageParser.ActivityIntentInfo info) { 6875 return packageName.equals(info.activity.owner.packageName); 6876 } 6877 6878 @Override 6879 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6880 int match, int userId) { 6881 if (!sUserManager.exists(userId)) return null; 6882 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6883 return null; 6884 } 6885 final PackageParser.Activity activity = info.activity; 6886 if (mSafeMode && (activity.info.applicationInfo.flags 6887 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6888 return null; 6889 } 6890 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6891 if (ps == null) { 6892 return null; 6893 } 6894 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6895 ps.readUserState(userId), userId); 6896 if (ai == null) { 6897 return null; 6898 } 6899 final ResolveInfo res = new ResolveInfo(); 6900 res.activityInfo = ai; 6901 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6902 res.filter = info; 6903 } 6904 res.priority = info.getPriority(); 6905 res.preferredOrder = activity.owner.mPreferredOrder; 6906 //System.out.println("Result: " + res.activityInfo.className + 6907 // " = " + res.priority); 6908 res.match = match; 6909 res.isDefault = info.hasDefault; 6910 res.labelRes = info.labelRes; 6911 res.nonLocalizedLabel = info.nonLocalizedLabel; 6912 res.icon = info.icon; 6913 res.system = isSystemApp(res.activityInfo.applicationInfo); 6914 return res; 6915 } 6916 6917 @Override 6918 protected void sortResults(List<ResolveInfo> results) { 6919 Collections.sort(results, mResolvePrioritySorter); 6920 } 6921 6922 @Override 6923 protected void dumpFilter(PrintWriter out, String prefix, 6924 PackageParser.ActivityIntentInfo filter) { 6925 out.print(prefix); out.print( 6926 Integer.toHexString(System.identityHashCode(filter.activity))); 6927 out.print(' '); 6928 filter.activity.printComponentShortName(out); 6929 out.print(" filter "); 6930 out.println(Integer.toHexString(System.identityHashCode(filter))); 6931 } 6932 6933// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6934// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6935// final List<ResolveInfo> retList = Lists.newArrayList(); 6936// while (i.hasNext()) { 6937// final ResolveInfo resolveInfo = i.next(); 6938// if (isEnabledLP(resolveInfo.activityInfo)) { 6939// retList.add(resolveInfo); 6940// } 6941// } 6942// return retList; 6943// } 6944 6945 // Keys are String (activity class name), values are Activity. 6946 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6947 = new HashMap<ComponentName, PackageParser.Activity>(); 6948 private int mFlags; 6949 } 6950 6951 private final class ServiceIntentResolver 6952 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6953 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6954 boolean defaultOnly, int userId) { 6955 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6956 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6957 } 6958 6959 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6960 int userId) { 6961 if (!sUserManager.exists(userId)) return null; 6962 mFlags = flags; 6963 return super.queryIntent(intent, resolvedType, 6964 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6965 } 6966 6967 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6968 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6969 if (!sUserManager.exists(userId)) return null; 6970 if (packageServices == null) { 6971 return null; 6972 } 6973 mFlags = flags; 6974 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6975 final int N = packageServices.size(); 6976 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6977 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6978 6979 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6980 for (int i = 0; i < N; ++i) { 6981 intentFilters = packageServices.get(i).intents; 6982 if (intentFilters != null && intentFilters.size() > 0) { 6983 PackageParser.ServiceIntentInfo[] array = 6984 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6985 intentFilters.toArray(array); 6986 listCut.add(array); 6987 } 6988 } 6989 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6990 } 6991 6992 public final void addService(PackageParser.Service s) { 6993 mServices.put(s.getComponentName(), s); 6994 if (DEBUG_SHOW_INFO) { 6995 Log.v(TAG, " " 6996 + (s.info.nonLocalizedLabel != null 6997 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6998 Log.v(TAG, " Class=" + s.info.name); 6999 } 7000 final int NI = s.intents.size(); 7001 int j; 7002 for (j=0; j<NI; j++) { 7003 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7004 if (DEBUG_SHOW_INFO) { 7005 Log.v(TAG, " IntentFilter:"); 7006 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7007 } 7008 if (!intent.debugCheck()) { 7009 Log.w(TAG, "==> For Service " + s.info.name); 7010 } 7011 addFilter(intent); 7012 } 7013 } 7014 7015 public final void removeService(PackageParser.Service s) { 7016 mServices.remove(s.getComponentName()); 7017 if (DEBUG_SHOW_INFO) { 7018 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7019 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7020 Log.v(TAG, " Class=" + s.info.name); 7021 } 7022 final int NI = s.intents.size(); 7023 int j; 7024 for (j=0; j<NI; j++) { 7025 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7026 if (DEBUG_SHOW_INFO) { 7027 Log.v(TAG, " IntentFilter:"); 7028 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7029 } 7030 removeFilter(intent); 7031 } 7032 } 7033 7034 @Override 7035 protected boolean allowFilterResult( 7036 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7037 ServiceInfo filterSi = filter.service.info; 7038 for (int i=dest.size()-1; i>=0; i--) { 7039 ServiceInfo destAi = dest.get(i).serviceInfo; 7040 if (destAi.name == filterSi.name 7041 && destAi.packageName == filterSi.packageName) { 7042 return false; 7043 } 7044 } 7045 return true; 7046 } 7047 7048 @Override 7049 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7050 return new PackageParser.ServiceIntentInfo[size]; 7051 } 7052 7053 @Override 7054 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7055 if (!sUserManager.exists(userId)) return true; 7056 PackageParser.Package p = filter.service.owner; 7057 if (p != null) { 7058 PackageSetting ps = (PackageSetting)p.mExtras; 7059 if (ps != null) { 7060 // System apps are never considered stopped for purposes of 7061 // filtering, because there may be no way for the user to 7062 // actually re-launch them. 7063 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7064 && ps.getStopped(userId); 7065 } 7066 } 7067 return false; 7068 } 7069 7070 @Override 7071 protected boolean isPackageForFilter(String packageName, 7072 PackageParser.ServiceIntentInfo info) { 7073 return packageName.equals(info.service.owner.packageName); 7074 } 7075 7076 @Override 7077 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7078 int match, int userId) { 7079 if (!sUserManager.exists(userId)) return null; 7080 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7081 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7082 return null; 7083 } 7084 final PackageParser.Service service = info.service; 7085 if (mSafeMode && (service.info.applicationInfo.flags 7086 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7087 return null; 7088 } 7089 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7090 if (ps == null) { 7091 return null; 7092 } 7093 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7094 ps.readUserState(userId), userId); 7095 if (si == null) { 7096 return null; 7097 } 7098 final ResolveInfo res = new ResolveInfo(); 7099 res.serviceInfo = si; 7100 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7101 res.filter = filter; 7102 } 7103 res.priority = info.getPriority(); 7104 res.preferredOrder = service.owner.mPreferredOrder; 7105 //System.out.println("Result: " + res.activityInfo.className + 7106 // " = " + res.priority); 7107 res.match = match; 7108 res.isDefault = info.hasDefault; 7109 res.labelRes = info.labelRes; 7110 res.nonLocalizedLabel = info.nonLocalizedLabel; 7111 res.icon = info.icon; 7112 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7113 return res; 7114 } 7115 7116 @Override 7117 protected void sortResults(List<ResolveInfo> results) { 7118 Collections.sort(results, mResolvePrioritySorter); 7119 } 7120 7121 @Override 7122 protected void dumpFilter(PrintWriter out, String prefix, 7123 PackageParser.ServiceIntentInfo filter) { 7124 out.print(prefix); out.print( 7125 Integer.toHexString(System.identityHashCode(filter.service))); 7126 out.print(' '); 7127 filter.service.printComponentShortName(out); 7128 out.print(" filter "); 7129 out.println(Integer.toHexString(System.identityHashCode(filter))); 7130 } 7131 7132// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7133// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7134// final List<ResolveInfo> retList = Lists.newArrayList(); 7135// while (i.hasNext()) { 7136// final ResolveInfo resolveInfo = (ResolveInfo) i; 7137// if (isEnabledLP(resolveInfo.serviceInfo)) { 7138// retList.add(resolveInfo); 7139// } 7140// } 7141// return retList; 7142// } 7143 7144 // Keys are String (activity class name), values are Activity. 7145 private final HashMap<ComponentName, PackageParser.Service> mServices 7146 = new HashMap<ComponentName, PackageParser.Service>(); 7147 private int mFlags; 7148 }; 7149 7150 private final class ProviderIntentResolver 7151 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7152 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7153 boolean defaultOnly, int userId) { 7154 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7155 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7156 } 7157 7158 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7159 int userId) { 7160 if (!sUserManager.exists(userId)) 7161 return null; 7162 mFlags = flags; 7163 return super.queryIntent(intent, resolvedType, 7164 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7165 } 7166 7167 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7168 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7169 if (!sUserManager.exists(userId)) 7170 return null; 7171 if (packageProviders == null) { 7172 return null; 7173 } 7174 mFlags = flags; 7175 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7176 final int N = packageProviders.size(); 7177 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7178 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7179 7180 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7181 for (int i = 0; i < N; ++i) { 7182 intentFilters = packageProviders.get(i).intents; 7183 if (intentFilters != null && intentFilters.size() > 0) { 7184 PackageParser.ProviderIntentInfo[] array = 7185 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7186 intentFilters.toArray(array); 7187 listCut.add(array); 7188 } 7189 } 7190 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7191 } 7192 7193 public final void addProvider(PackageParser.Provider p) { 7194 if (mProviders.containsKey(p.getComponentName())) { 7195 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7196 return; 7197 } 7198 7199 mProviders.put(p.getComponentName(), p); 7200 if (DEBUG_SHOW_INFO) { 7201 Log.v(TAG, " " 7202 + (p.info.nonLocalizedLabel != null 7203 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7204 Log.v(TAG, " Class=" + p.info.name); 7205 } 7206 final int NI = p.intents.size(); 7207 int j; 7208 for (j = 0; j < NI; j++) { 7209 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7210 if (DEBUG_SHOW_INFO) { 7211 Log.v(TAG, " IntentFilter:"); 7212 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7213 } 7214 if (!intent.debugCheck()) { 7215 Log.w(TAG, "==> For Provider " + p.info.name); 7216 } 7217 addFilter(intent); 7218 } 7219 } 7220 7221 public final void removeProvider(PackageParser.Provider p) { 7222 mProviders.remove(p.getComponentName()); 7223 if (DEBUG_SHOW_INFO) { 7224 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7225 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7226 Log.v(TAG, " Class=" + p.info.name); 7227 } 7228 final int NI = p.intents.size(); 7229 int j; 7230 for (j = 0; j < NI; j++) { 7231 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7232 if (DEBUG_SHOW_INFO) { 7233 Log.v(TAG, " IntentFilter:"); 7234 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7235 } 7236 removeFilter(intent); 7237 } 7238 } 7239 7240 @Override 7241 protected boolean allowFilterResult( 7242 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7243 ProviderInfo filterPi = filter.provider.info; 7244 for (int i = dest.size() - 1; i >= 0; i--) { 7245 ProviderInfo destPi = dest.get(i).providerInfo; 7246 if (destPi.name == filterPi.name 7247 && destPi.packageName == filterPi.packageName) { 7248 return false; 7249 } 7250 } 7251 return true; 7252 } 7253 7254 @Override 7255 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7256 return new PackageParser.ProviderIntentInfo[size]; 7257 } 7258 7259 @Override 7260 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7261 if (!sUserManager.exists(userId)) 7262 return true; 7263 PackageParser.Package p = filter.provider.owner; 7264 if (p != null) { 7265 PackageSetting ps = (PackageSetting) p.mExtras; 7266 if (ps != null) { 7267 // System apps are never considered stopped for purposes of 7268 // filtering, because there may be no way for the user to 7269 // actually re-launch them. 7270 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7271 && ps.getStopped(userId); 7272 } 7273 } 7274 return false; 7275 } 7276 7277 @Override 7278 protected boolean isPackageForFilter(String packageName, 7279 PackageParser.ProviderIntentInfo info) { 7280 return packageName.equals(info.provider.owner.packageName); 7281 } 7282 7283 @Override 7284 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7285 int match, int userId) { 7286 if (!sUserManager.exists(userId)) 7287 return null; 7288 final PackageParser.ProviderIntentInfo info = filter; 7289 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7290 return null; 7291 } 7292 final PackageParser.Provider provider = info.provider; 7293 if (mSafeMode && (provider.info.applicationInfo.flags 7294 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7295 return null; 7296 } 7297 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7298 if (ps == null) { 7299 return null; 7300 } 7301 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7302 ps.readUserState(userId), userId); 7303 if (pi == null) { 7304 return null; 7305 } 7306 final ResolveInfo res = new ResolveInfo(); 7307 res.providerInfo = pi; 7308 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7309 res.filter = filter; 7310 } 7311 res.priority = info.getPriority(); 7312 res.preferredOrder = provider.owner.mPreferredOrder; 7313 res.match = match; 7314 res.isDefault = info.hasDefault; 7315 res.labelRes = info.labelRes; 7316 res.nonLocalizedLabel = info.nonLocalizedLabel; 7317 res.icon = info.icon; 7318 res.system = isSystemApp(res.providerInfo.applicationInfo); 7319 return res; 7320 } 7321 7322 @Override 7323 protected void sortResults(List<ResolveInfo> results) { 7324 Collections.sort(results, mResolvePrioritySorter); 7325 } 7326 7327 @Override 7328 protected void dumpFilter(PrintWriter out, String prefix, 7329 PackageParser.ProviderIntentInfo filter) { 7330 out.print(prefix); 7331 out.print( 7332 Integer.toHexString(System.identityHashCode(filter.provider))); 7333 out.print(' '); 7334 filter.provider.printComponentShortName(out); 7335 out.print(" filter "); 7336 out.println(Integer.toHexString(System.identityHashCode(filter))); 7337 } 7338 7339 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7340 = new HashMap<ComponentName, PackageParser.Provider>(); 7341 private int mFlags; 7342 }; 7343 7344 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7345 new Comparator<ResolveInfo>() { 7346 public int compare(ResolveInfo r1, ResolveInfo r2) { 7347 int v1 = r1.priority; 7348 int v2 = r2.priority; 7349 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7350 if (v1 != v2) { 7351 return (v1 > v2) ? -1 : 1; 7352 } 7353 v1 = r1.preferredOrder; 7354 v2 = r2.preferredOrder; 7355 if (v1 != v2) { 7356 return (v1 > v2) ? -1 : 1; 7357 } 7358 if (r1.isDefault != r2.isDefault) { 7359 return r1.isDefault ? -1 : 1; 7360 } 7361 v1 = r1.match; 7362 v2 = r2.match; 7363 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7364 if (v1 != v2) { 7365 return (v1 > v2) ? -1 : 1; 7366 } 7367 if (r1.system != r2.system) { 7368 return r1.system ? -1 : 1; 7369 } 7370 return 0; 7371 } 7372 }; 7373 7374 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7375 new Comparator<ProviderInfo>() { 7376 public int compare(ProviderInfo p1, ProviderInfo p2) { 7377 final int v1 = p1.initOrder; 7378 final int v2 = p2.initOrder; 7379 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7380 } 7381 }; 7382 7383 static final void sendPackageBroadcast(String action, String pkg, 7384 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7385 int[] userIds) { 7386 IActivityManager am = ActivityManagerNative.getDefault(); 7387 if (am != null) { 7388 try { 7389 if (userIds == null) { 7390 userIds = am.getRunningUserIds(); 7391 } 7392 for (int id : userIds) { 7393 final Intent intent = new Intent(action, 7394 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7395 if (extras != null) { 7396 intent.putExtras(extras); 7397 } 7398 if (targetPkg != null) { 7399 intent.setPackage(targetPkg); 7400 } 7401 // Modify the UID when posting to other users 7402 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7403 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7404 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7405 intent.putExtra(Intent.EXTRA_UID, uid); 7406 } 7407 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7408 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7409 if (DEBUG_BROADCASTS) { 7410 RuntimeException here = new RuntimeException("here"); 7411 here.fillInStackTrace(); 7412 Slog.d(TAG, "Sending to user " + id + ": " 7413 + intent.toShortString(false, true, false, false) 7414 + " " + intent.getExtras(), here); 7415 } 7416 am.broadcastIntent(null, intent, null, finishedReceiver, 7417 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7418 finishedReceiver != null, false, id); 7419 } 7420 } catch (RemoteException ex) { 7421 } 7422 } 7423 } 7424 7425 /** 7426 * Check if the external storage media is available. This is true if there 7427 * is a mounted external storage medium or if the external storage is 7428 * emulated. 7429 */ 7430 private boolean isExternalMediaAvailable() { 7431 return mMediaMounted || Environment.isExternalStorageEmulated(); 7432 } 7433 7434 @Override 7435 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7436 // writer 7437 synchronized (mPackages) { 7438 if (!isExternalMediaAvailable()) { 7439 // If the external storage is no longer mounted at this point, 7440 // the caller may not have been able to delete all of this 7441 // packages files and can not delete any more. Bail. 7442 return null; 7443 } 7444 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7445 if (lastPackage != null) { 7446 pkgs.remove(lastPackage); 7447 } 7448 if (pkgs.size() > 0) { 7449 return pkgs.get(0); 7450 } 7451 } 7452 return null; 7453 } 7454 7455 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7456 if (false) { 7457 RuntimeException here = new RuntimeException("here"); 7458 here.fillInStackTrace(); 7459 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7460 + " andCode=" + andCode, here); 7461 } 7462 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7463 userId, andCode ? 1 : 0, packageName)); 7464 } 7465 7466 void startCleaningPackages() { 7467 // reader 7468 synchronized (mPackages) { 7469 if (!isExternalMediaAvailable()) { 7470 return; 7471 } 7472 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7473 return; 7474 } 7475 } 7476 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7477 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7478 IActivityManager am = ActivityManagerNative.getDefault(); 7479 if (am != null) { 7480 try { 7481 am.startService(null, intent, null, UserHandle.USER_OWNER); 7482 } catch (RemoteException e) { 7483 } 7484 } 7485 } 7486 7487 private final class AppDirObserver extends FileObserver { 7488 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7489 super(path, mask); 7490 mRootDir = path; 7491 mIsRom = isrom; 7492 mIsPrivileged = isPrivileged; 7493 } 7494 7495 public void onEvent(int event, String path) { 7496 String removedPackage = null; 7497 int removedAppId = -1; 7498 int[] removedUsers = null; 7499 String addedPackage = null; 7500 int addedAppId = -1; 7501 int[] addedUsers = null; 7502 7503 // TODO post a message to the handler to obtain serial ordering 7504 synchronized (mInstallLock) { 7505 String fullPathStr = null; 7506 File fullPath = null; 7507 if (path != null) { 7508 fullPath = new File(mRootDir, path); 7509 fullPathStr = fullPath.getPath(); 7510 } 7511 7512 if (DEBUG_APP_DIR_OBSERVER) 7513 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7514 7515 if (!isPackageFilename(path)) { 7516 if (DEBUG_APP_DIR_OBSERVER) 7517 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7518 return; 7519 } 7520 7521 // Ignore packages that are being installed or 7522 // have just been installed. 7523 if (ignoreCodePath(fullPathStr)) { 7524 return; 7525 } 7526 PackageParser.Package p = null; 7527 PackageSetting ps = null; 7528 // reader 7529 synchronized (mPackages) { 7530 p = mAppDirs.get(fullPathStr); 7531 if (p != null) { 7532 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7533 if (ps != null) { 7534 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7535 } else { 7536 removedUsers = sUserManager.getUserIds(); 7537 } 7538 } 7539 addedUsers = sUserManager.getUserIds(); 7540 } 7541 if ((event&REMOVE_EVENTS) != 0) { 7542 if (ps != null) { 7543 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7544 removePackageLI(ps, true); 7545 removedPackage = ps.name; 7546 removedAppId = ps.appId; 7547 } 7548 } 7549 7550 if ((event&ADD_EVENTS) != 0) { 7551 if (p == null) { 7552 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7553 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7554 if (mIsRom) { 7555 flags |= PackageParser.PARSE_IS_SYSTEM 7556 | PackageParser.PARSE_IS_SYSTEM_DIR; 7557 if (mIsPrivileged) { 7558 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7559 } 7560 } 7561 p = scanPackageLI(fullPath, flags, 7562 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7563 System.currentTimeMillis(), UserHandle.ALL, null); 7564 if (p != null) { 7565 /* 7566 * TODO this seems dangerous as the package may have 7567 * changed since we last acquired the mPackages 7568 * lock. 7569 */ 7570 // writer 7571 synchronized (mPackages) { 7572 updatePermissionsLPw(p.packageName, p, 7573 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7574 } 7575 addedPackage = p.applicationInfo.packageName; 7576 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7577 } 7578 } 7579 } 7580 7581 // reader 7582 synchronized (mPackages) { 7583 mSettings.writeLPr(); 7584 } 7585 } 7586 7587 if (removedPackage != null) { 7588 Bundle extras = new Bundle(1); 7589 extras.putInt(Intent.EXTRA_UID, removedAppId); 7590 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7591 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7592 extras, null, null, removedUsers); 7593 } 7594 if (addedPackage != null) { 7595 Bundle extras = new Bundle(1); 7596 extras.putInt(Intent.EXTRA_UID, addedAppId); 7597 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7598 extras, null, null, addedUsers); 7599 } 7600 } 7601 7602 private final String mRootDir; 7603 private final boolean mIsRom; 7604 private final boolean mIsPrivileged; 7605 } 7606 7607 /* 7608 * The old-style observer methods all just trampoline to the newer signature with 7609 * expanded install observer API. The older API continues to work but does not 7610 * supply the additional details of the Observer2 API. 7611 */ 7612 7613 /* Called when a downloaded package installation has been confirmed by the user */ 7614 public void installPackage( 7615 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7616 installPackageEtc(packageURI, observer, null, flags, null); 7617 } 7618 7619 /* Called when a downloaded package installation has been confirmed by the user */ 7620 @Override 7621 public void installPackage( 7622 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7623 final String installerPackageName) { 7624 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7625 installerPackageName, null, null, null); 7626 } 7627 7628 @Override 7629 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7630 int flags, String installerPackageName, Uri verificationURI, 7631 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7632 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7633 VerificationParams.NO_UID, manifestDigest); 7634 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7635 installerPackageName, verificationParams, encryptionParams); 7636 } 7637 7638 @Override 7639 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7640 IPackageInstallObserver observer, int flags, String installerPackageName, 7641 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7642 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7643 installerPackageName, verificationParams, encryptionParams); 7644 } 7645 7646 /* 7647 * And here are the "live" versions that take both observer arguments 7648 */ 7649 public void installPackageEtc( 7650 final Uri packageURI, final IPackageInstallObserver observer, 7651 IPackageInstallObserver2 observer2, final int flags) { 7652 installPackageEtc(packageURI, observer, observer2, flags, null); 7653 } 7654 7655 public void installPackageEtc( 7656 final Uri packageURI, final IPackageInstallObserver observer, 7657 final IPackageInstallObserver2 observer2, final int flags, 7658 final String installerPackageName) { 7659 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7660 installerPackageName, null, null, null); 7661 } 7662 7663 @Override 7664 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7665 IPackageInstallObserver2 observer2, 7666 int flags, String installerPackageName, Uri verificationURI, 7667 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7668 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7669 VerificationParams.NO_UID, manifestDigest); 7670 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7671 installerPackageName, verificationParams, encryptionParams); 7672 } 7673 7674 /* 7675 * All of the installPackage...*() methods redirect to this one for the master implementation 7676 */ 7677 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7678 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7679 int flags, String installerPackageName, 7680 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7681 if (observer == null && observer2 == null) { 7682 throw new IllegalArgumentException("No install observer supplied"); 7683 } 7684 installPackageWithVerificationEncryptionAndAbiOverrideEtc(packageURI, observer, observer2, 7685 flags, installerPackageName, verificationParams, encryptionParams, null); 7686 } 7687 7688 @Override 7689 public void installPackageWithVerificationEncryptionAndAbiOverrideEtc(Uri packageURI, 7690 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7691 int flags, String installerPackageName, 7692 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7693 String packageAbiOverride) { 7694 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7695 null); 7696 7697 final int uid = Binder.getCallingUid(); 7698 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7699 try { 7700 if (observer != null) { 7701 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7702 } 7703 if (observer2 != null) { 7704 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7705 } 7706 } catch (RemoteException re) { 7707 } 7708 return; 7709 } 7710 7711 UserHandle user; 7712 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7713 user = UserHandle.ALL; 7714 } else { 7715 user = new UserHandle(UserHandle.getUserId(uid)); 7716 } 7717 7718 final int filteredFlags; 7719 7720 if (uid == Process.SHELL_UID || uid == 0) { 7721 if (DEBUG_INSTALL) { 7722 Slog.v(TAG, "Install from ADB"); 7723 } 7724 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7725 } else { 7726 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7727 } 7728 7729 verificationParams.setInstallerUid(uid); 7730 7731 final Message msg = mHandler.obtainMessage(INIT_COPY); 7732 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7733 installerPackageName, verificationParams, encryptionParams, user, 7734 packageAbiOverride); 7735 mHandler.sendMessage(msg); 7736 } 7737 7738 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7739 Bundle extras = new Bundle(1); 7740 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7741 7742 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7743 packageName, extras, null, null, new int[] {userId}); 7744 try { 7745 IActivityManager am = ActivityManagerNative.getDefault(); 7746 final boolean isSystem = 7747 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7748 if (isSystem && am.isUserRunning(userId, false)) { 7749 // The just-installed/enabled app is bundled on the system, so presumed 7750 // to be able to run automatically without needing an explicit launch. 7751 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7752 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7753 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7754 .setPackage(packageName); 7755 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7756 android.app.AppOpsManager.OP_NONE, false, false, userId); 7757 } 7758 } catch (RemoteException e) { 7759 // shouldn't happen 7760 Slog.w(TAG, "Unable to bootstrap installed package", e); 7761 } 7762 } 7763 7764 @Override 7765 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7766 int userId) { 7767 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7768 PackageSetting pkgSetting; 7769 final int uid = Binder.getCallingUid(); 7770 if (UserHandle.getUserId(uid) != userId) { 7771 mContext.enforceCallingOrSelfPermission( 7772 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7773 "setApplicationBlockedSetting for user " + userId); 7774 } 7775 7776 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7777 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7778 return false; 7779 } 7780 7781 long callingId = Binder.clearCallingIdentity(); 7782 try { 7783 boolean sendAdded = false; 7784 boolean sendRemoved = false; 7785 // writer 7786 synchronized (mPackages) { 7787 pkgSetting = mSettings.mPackages.get(packageName); 7788 if (pkgSetting == null) { 7789 return false; 7790 } 7791 if (pkgSetting.getBlocked(userId) != blocked) { 7792 pkgSetting.setBlocked(blocked, userId); 7793 mSettings.writePackageRestrictionsLPr(userId); 7794 if (blocked) { 7795 sendRemoved = true; 7796 } else { 7797 sendAdded = true; 7798 } 7799 } 7800 } 7801 if (sendAdded) { 7802 sendPackageAddedForUser(packageName, pkgSetting, userId); 7803 return true; 7804 } 7805 if (sendRemoved) { 7806 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7807 "blocking pkg"); 7808 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7809 } 7810 } finally { 7811 Binder.restoreCallingIdentity(callingId); 7812 } 7813 return false; 7814 } 7815 7816 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7817 int userId) { 7818 final PackageRemovedInfo info = new PackageRemovedInfo(); 7819 info.removedPackage = packageName; 7820 info.removedUsers = new int[] {userId}; 7821 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7822 info.sendBroadcast(false, false, false); 7823 } 7824 7825 /** 7826 * Returns true if application is not found or there was an error. Otherwise it returns 7827 * the blocked state of the package for the given user. 7828 */ 7829 @Override 7830 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7831 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7832 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7833 "getApplicationBlocked for user " + userId); 7834 PackageSetting pkgSetting; 7835 long callingId = Binder.clearCallingIdentity(); 7836 try { 7837 // writer 7838 synchronized (mPackages) { 7839 pkgSetting = mSettings.mPackages.get(packageName); 7840 if (pkgSetting == null) { 7841 return true; 7842 } 7843 return pkgSetting.getBlocked(userId); 7844 } 7845 } finally { 7846 Binder.restoreCallingIdentity(callingId); 7847 } 7848 } 7849 7850 void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer, 7851 int flags) { 7852 // TODO: install stage! 7853 try { 7854 observer.packageInstalled(basePackageName, null, 7855 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7856 } catch (RemoteException ignored) { 7857 } 7858 } 7859 7860 /** 7861 * @hide 7862 */ 7863 @Override 7864 public int installExistingPackageAsUser(String packageName, int userId) { 7865 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7866 null); 7867 PackageSetting pkgSetting; 7868 final int uid = Binder.getCallingUid(); 7869 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7870 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7871 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7872 } 7873 7874 long callingId = Binder.clearCallingIdentity(); 7875 try { 7876 boolean sendAdded = false; 7877 Bundle extras = new Bundle(1); 7878 7879 // writer 7880 synchronized (mPackages) { 7881 pkgSetting = mSettings.mPackages.get(packageName); 7882 if (pkgSetting == null) { 7883 return PackageManager.INSTALL_FAILED_INVALID_URI; 7884 } 7885 if (!pkgSetting.getInstalled(userId)) { 7886 pkgSetting.setInstalled(true, userId); 7887 pkgSetting.setBlocked(false, userId); 7888 mSettings.writePackageRestrictionsLPr(userId); 7889 sendAdded = true; 7890 } 7891 } 7892 7893 if (sendAdded) { 7894 sendPackageAddedForUser(packageName, pkgSetting, userId); 7895 } 7896 } finally { 7897 Binder.restoreCallingIdentity(callingId); 7898 } 7899 7900 return PackageManager.INSTALL_SUCCEEDED; 7901 } 7902 7903 boolean isUserRestricted(int userId, String restrictionKey) { 7904 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7905 if (restrictions.getBoolean(restrictionKey, false)) { 7906 Log.w(TAG, "User is restricted: " + restrictionKey); 7907 return true; 7908 } 7909 return false; 7910 } 7911 7912 @Override 7913 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7914 mContext.enforceCallingOrSelfPermission( 7915 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7916 "Only package verification agents can verify applications"); 7917 7918 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7919 final PackageVerificationResponse response = new PackageVerificationResponse( 7920 verificationCode, Binder.getCallingUid()); 7921 msg.arg1 = id; 7922 msg.obj = response; 7923 mHandler.sendMessage(msg); 7924 } 7925 7926 @Override 7927 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7928 long millisecondsToDelay) { 7929 mContext.enforceCallingOrSelfPermission( 7930 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7931 "Only package verification agents can extend verification timeouts"); 7932 7933 final PackageVerificationState state = mPendingVerification.get(id); 7934 final PackageVerificationResponse response = new PackageVerificationResponse( 7935 verificationCodeAtTimeout, Binder.getCallingUid()); 7936 7937 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7938 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7939 } 7940 if (millisecondsToDelay < 0) { 7941 millisecondsToDelay = 0; 7942 } 7943 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7944 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7945 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7946 } 7947 7948 if ((state != null) && !state.timeoutExtended()) { 7949 state.extendTimeout(); 7950 7951 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7952 msg.arg1 = id; 7953 msg.obj = response; 7954 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7955 } 7956 } 7957 7958 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7959 int verificationCode, UserHandle user) { 7960 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7961 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7962 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7963 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7964 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7965 7966 mContext.sendBroadcastAsUser(intent, user, 7967 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7968 } 7969 7970 private ComponentName matchComponentForVerifier(String packageName, 7971 List<ResolveInfo> receivers) { 7972 ActivityInfo targetReceiver = null; 7973 7974 final int NR = receivers.size(); 7975 for (int i = 0; i < NR; i++) { 7976 final ResolveInfo info = receivers.get(i); 7977 if (info.activityInfo == null) { 7978 continue; 7979 } 7980 7981 if (packageName.equals(info.activityInfo.packageName)) { 7982 targetReceiver = info.activityInfo; 7983 break; 7984 } 7985 } 7986 7987 if (targetReceiver == null) { 7988 return null; 7989 } 7990 7991 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7992 } 7993 7994 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7995 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7996 if (pkgInfo.verifiers.length == 0) { 7997 return null; 7998 } 7999 8000 final int N = pkgInfo.verifiers.length; 8001 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8002 for (int i = 0; i < N; i++) { 8003 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8004 8005 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8006 receivers); 8007 if (comp == null) { 8008 continue; 8009 } 8010 8011 final int verifierUid = getUidForVerifier(verifierInfo); 8012 if (verifierUid == -1) { 8013 continue; 8014 } 8015 8016 if (DEBUG_VERIFY) { 8017 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8018 + " with the correct signature"); 8019 } 8020 sufficientVerifiers.add(comp); 8021 verificationState.addSufficientVerifier(verifierUid); 8022 } 8023 8024 return sufficientVerifiers; 8025 } 8026 8027 private int getUidForVerifier(VerifierInfo verifierInfo) { 8028 synchronized (mPackages) { 8029 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8030 if (pkg == null) { 8031 return -1; 8032 } else if (pkg.mSignatures.length != 1) { 8033 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8034 + " has more than one signature; ignoring"); 8035 return -1; 8036 } 8037 8038 /* 8039 * If the public key of the package's signature does not match 8040 * our expected public key, then this is a different package and 8041 * we should skip. 8042 */ 8043 8044 final byte[] expectedPublicKey; 8045 try { 8046 final Signature verifierSig = pkg.mSignatures[0]; 8047 final PublicKey publicKey = verifierSig.getPublicKey(); 8048 expectedPublicKey = publicKey.getEncoded(); 8049 } catch (CertificateException e) { 8050 return -1; 8051 } 8052 8053 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8054 8055 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8056 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8057 + " does not have the expected public key; ignoring"); 8058 return -1; 8059 } 8060 8061 return pkg.applicationInfo.uid; 8062 } 8063 } 8064 8065 @Override 8066 public void finishPackageInstall(int token) { 8067 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8068 8069 if (DEBUG_INSTALL) { 8070 Slog.v(TAG, "BM finishing package install for " + token); 8071 } 8072 8073 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8074 mHandler.sendMessage(msg); 8075 } 8076 8077 /** 8078 * Get the verification agent timeout. 8079 * 8080 * @return verification timeout in milliseconds 8081 */ 8082 private long getVerificationTimeout() { 8083 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8084 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8085 DEFAULT_VERIFICATION_TIMEOUT); 8086 } 8087 8088 /** 8089 * Get the default verification agent response code. 8090 * 8091 * @return default verification response code 8092 */ 8093 private int getDefaultVerificationResponse() { 8094 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8095 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8096 DEFAULT_VERIFICATION_RESPONSE); 8097 } 8098 8099 /** 8100 * Check whether or not package verification has been enabled. 8101 * 8102 * @return true if verification should be performed 8103 */ 8104 private boolean isVerificationEnabled(int flags) { 8105 if (!DEFAULT_VERIFY_ENABLE) { 8106 return false; 8107 } 8108 8109 // Check if installing from ADB 8110 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8111 // Do not run verification in a test harness environment 8112 if (ActivityManager.isRunningInTestHarness()) { 8113 return false; 8114 } 8115 // Check if the developer does not want package verification for ADB installs 8116 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8117 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8118 return false; 8119 } 8120 } 8121 8122 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8123 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8124 } 8125 8126 /** 8127 * Get the "allow unknown sources" setting. 8128 * 8129 * @return the current "allow unknown sources" setting 8130 */ 8131 private int getUnknownSourcesSettings() { 8132 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8133 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8134 -1); 8135 } 8136 8137 @Override 8138 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8139 final int uid = Binder.getCallingUid(); 8140 // writer 8141 synchronized (mPackages) { 8142 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8143 if (targetPackageSetting == null) { 8144 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8145 } 8146 8147 PackageSetting installerPackageSetting; 8148 if (installerPackageName != null) { 8149 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8150 if (installerPackageSetting == null) { 8151 throw new IllegalArgumentException("Unknown installer package: " 8152 + installerPackageName); 8153 } 8154 } else { 8155 installerPackageSetting = null; 8156 } 8157 8158 Signature[] callerSignature; 8159 Object obj = mSettings.getUserIdLPr(uid); 8160 if (obj != null) { 8161 if (obj instanceof SharedUserSetting) { 8162 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8163 } else if (obj instanceof PackageSetting) { 8164 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8165 } else { 8166 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8167 } 8168 } else { 8169 throw new SecurityException("Unknown calling uid " + uid); 8170 } 8171 8172 // Verify: can't set installerPackageName to a package that is 8173 // not signed with the same cert as the caller. 8174 if (installerPackageSetting != null) { 8175 if (compareSignatures(callerSignature, 8176 installerPackageSetting.signatures.mSignatures) 8177 != PackageManager.SIGNATURE_MATCH) { 8178 throw new SecurityException( 8179 "Caller does not have same cert as new installer package " 8180 + installerPackageName); 8181 } 8182 } 8183 8184 // Verify: if target already has an installer package, it must 8185 // be signed with the same cert as the caller. 8186 if (targetPackageSetting.installerPackageName != null) { 8187 PackageSetting setting = mSettings.mPackages.get( 8188 targetPackageSetting.installerPackageName); 8189 // If the currently set package isn't valid, then it's always 8190 // okay to change it. 8191 if (setting != null) { 8192 if (compareSignatures(callerSignature, 8193 setting.signatures.mSignatures) 8194 != PackageManager.SIGNATURE_MATCH) { 8195 throw new SecurityException( 8196 "Caller does not have same cert as old installer package " 8197 + targetPackageSetting.installerPackageName); 8198 } 8199 } 8200 } 8201 8202 // Okay! 8203 targetPackageSetting.installerPackageName = installerPackageName; 8204 scheduleWriteSettingsLocked(); 8205 } 8206 } 8207 8208 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8209 // Queue up an async operation since the package installation may take a little while. 8210 mHandler.post(new Runnable() { 8211 public void run() { 8212 mHandler.removeCallbacks(this); 8213 // Result object to be returned 8214 PackageInstalledInfo res = new PackageInstalledInfo(); 8215 res.returnCode = currentStatus; 8216 res.uid = -1; 8217 res.pkg = null; 8218 res.removedInfo = new PackageRemovedInfo(); 8219 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8220 args.doPreInstall(res.returnCode); 8221 synchronized (mInstallLock) { 8222 installPackageLI(args, true, res); 8223 } 8224 args.doPostInstall(res.returnCode, res.uid); 8225 } 8226 8227 // A restore should be performed at this point if (a) the install 8228 // succeeded, (b) the operation is not an update, and (c) the new 8229 // package has a backupAgent defined. 8230 final boolean update = res.removedInfo.removedPackage != null; 8231 boolean doRestore = (!update 8232 && res.pkg != null 8233 && res.pkg.applicationInfo.backupAgentName != null); 8234 8235 // Set up the post-install work request bookkeeping. This will be used 8236 // and cleaned up by the post-install event handling regardless of whether 8237 // there's a restore pass performed. Token values are >= 1. 8238 int token; 8239 if (mNextInstallToken < 0) mNextInstallToken = 1; 8240 token = mNextInstallToken++; 8241 8242 PostInstallData data = new PostInstallData(args, res); 8243 mRunningInstalls.put(token, data); 8244 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8245 8246 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8247 // Pass responsibility to the Backup Manager. It will perform a 8248 // restore if appropriate, then pass responsibility back to the 8249 // Package Manager to run the post-install observer callbacks 8250 // and broadcasts. 8251 IBackupManager bm = IBackupManager.Stub.asInterface( 8252 ServiceManager.getService(Context.BACKUP_SERVICE)); 8253 if (bm != null) { 8254 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8255 + " to BM for possible restore"); 8256 try { 8257 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8258 } catch (RemoteException e) { 8259 // can't happen; the backup manager is local 8260 } catch (Exception e) { 8261 Slog.e(TAG, "Exception trying to enqueue restore", e); 8262 doRestore = false; 8263 } 8264 } else { 8265 Slog.e(TAG, "Backup Manager not found!"); 8266 doRestore = false; 8267 } 8268 } 8269 8270 if (!doRestore) { 8271 // No restore possible, or the Backup Manager was mysteriously not 8272 // available -- just fire the post-install work request directly. 8273 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8274 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8275 mHandler.sendMessage(msg); 8276 } 8277 } 8278 }); 8279 } 8280 8281 private abstract class HandlerParams { 8282 private static final int MAX_RETRIES = 4; 8283 8284 /** 8285 * Number of times startCopy() has been attempted and had a non-fatal 8286 * error. 8287 */ 8288 private int mRetries = 0; 8289 8290 /** User handle for the user requesting the information or installation. */ 8291 private final UserHandle mUser; 8292 8293 HandlerParams(UserHandle user) { 8294 mUser = user; 8295 } 8296 8297 UserHandle getUser() { 8298 return mUser; 8299 } 8300 8301 final boolean startCopy() { 8302 boolean res; 8303 try { 8304 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8305 8306 if (++mRetries > MAX_RETRIES) { 8307 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8308 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8309 handleServiceError(); 8310 return false; 8311 } else { 8312 handleStartCopy(); 8313 res = true; 8314 } 8315 } catch (RemoteException e) { 8316 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8317 mHandler.sendEmptyMessage(MCS_RECONNECT); 8318 res = false; 8319 } 8320 handleReturnCode(); 8321 return res; 8322 } 8323 8324 final void serviceError() { 8325 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8326 handleServiceError(); 8327 handleReturnCode(); 8328 } 8329 8330 abstract void handleStartCopy() throws RemoteException; 8331 abstract void handleServiceError(); 8332 abstract void handleReturnCode(); 8333 } 8334 8335 class MeasureParams extends HandlerParams { 8336 private final PackageStats mStats; 8337 private boolean mSuccess; 8338 8339 private final IPackageStatsObserver mObserver; 8340 8341 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8342 super(new UserHandle(stats.userHandle)); 8343 mObserver = observer; 8344 mStats = stats; 8345 } 8346 8347 @Override 8348 public String toString() { 8349 return "MeasureParams{" 8350 + Integer.toHexString(System.identityHashCode(this)) 8351 + " " + mStats.packageName + "}"; 8352 } 8353 8354 @Override 8355 void handleStartCopy() throws RemoteException { 8356 synchronized (mInstallLock) { 8357 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8358 } 8359 8360 if (mSuccess) { 8361 final boolean mounted; 8362 if (Environment.isExternalStorageEmulated()) { 8363 mounted = true; 8364 } else { 8365 final String status = Environment.getExternalStorageState(); 8366 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8367 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8368 } 8369 8370 if (mounted) { 8371 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8372 8373 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8374 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8375 8376 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8377 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8378 8379 // Always subtract cache size, since it's a subdirectory 8380 mStats.externalDataSize -= mStats.externalCacheSize; 8381 8382 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8383 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8384 8385 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8386 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8387 } 8388 } 8389 } 8390 8391 @Override 8392 void handleReturnCode() { 8393 if (mObserver != null) { 8394 try { 8395 mObserver.onGetStatsCompleted(mStats, mSuccess); 8396 } catch (RemoteException e) { 8397 Slog.i(TAG, "Observer no longer exists."); 8398 } 8399 } 8400 } 8401 8402 @Override 8403 void handleServiceError() { 8404 Slog.e(TAG, "Could not measure application " + mStats.packageName 8405 + " external storage"); 8406 } 8407 } 8408 8409 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8410 throws RemoteException { 8411 long result = 0; 8412 for (File path : paths) { 8413 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8414 } 8415 return result; 8416 } 8417 8418 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8419 for (File path : paths) { 8420 try { 8421 mcs.clearDirectory(path.getAbsolutePath()); 8422 } catch (RemoteException e) { 8423 } 8424 } 8425 } 8426 8427 class InstallParams extends HandlerParams { 8428 final IPackageInstallObserver observer; 8429 final IPackageInstallObserver2 observer2; 8430 int flags; 8431 8432 private final Uri mPackageURI; 8433 final String installerPackageName; 8434 final VerificationParams verificationParams; 8435 private InstallArgs mArgs; 8436 private int mRet; 8437 private File mTempPackage; 8438 final ContainerEncryptionParams encryptionParams; 8439 final String packageAbiOverride; 8440 final String packageInstructionSetOverride; 8441 8442 InstallParams(Uri packageURI, 8443 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8444 int flags, String installerPackageName, VerificationParams verificationParams, 8445 ContainerEncryptionParams encryptionParams, UserHandle user, 8446 String packageAbiOverride) { 8447 super(user); 8448 this.mPackageURI = packageURI; 8449 this.flags = flags; 8450 this.observer = observer; 8451 this.observer2 = observer2; 8452 this.installerPackageName = installerPackageName; 8453 this.verificationParams = verificationParams; 8454 this.encryptionParams = encryptionParams; 8455 this.packageAbiOverride = packageAbiOverride; 8456 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8457 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8458 } 8459 8460 @Override 8461 public String toString() { 8462 return "InstallParams{" 8463 + Integer.toHexString(System.identityHashCode(this)) 8464 + " " + mPackageURI + "}"; 8465 } 8466 8467 public ManifestDigest getManifestDigest() { 8468 if (verificationParams == null) { 8469 return null; 8470 } 8471 return verificationParams.getManifestDigest(); 8472 } 8473 8474 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8475 String packageName = pkgLite.packageName; 8476 int installLocation = pkgLite.installLocation; 8477 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8478 // reader 8479 synchronized (mPackages) { 8480 PackageParser.Package pkg = mPackages.get(packageName); 8481 if (pkg != null) { 8482 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8483 // Check for downgrading. 8484 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8485 if (pkgLite.versionCode < pkg.mVersionCode) { 8486 Slog.w(TAG, "Can't install update of " + packageName 8487 + " update version " + pkgLite.versionCode 8488 + " is older than installed version " 8489 + pkg.mVersionCode); 8490 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8491 } 8492 } 8493 // Check for updated system application. 8494 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8495 if (onSd) { 8496 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8497 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8498 } 8499 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8500 } else { 8501 if (onSd) { 8502 // Install flag overrides everything. 8503 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8504 } 8505 // If current upgrade specifies particular preference 8506 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8507 // Application explicitly specified internal. 8508 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8509 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8510 // App explictly prefers external. Let policy decide 8511 } else { 8512 // Prefer previous location 8513 if (isExternal(pkg)) { 8514 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8515 } 8516 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8517 } 8518 } 8519 } else { 8520 // Invalid install. Return error code 8521 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8522 } 8523 } 8524 } 8525 // All the special cases have been taken care of. 8526 // Return result based on recommended install location. 8527 if (onSd) { 8528 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8529 } 8530 return pkgLite.recommendedInstallLocation; 8531 } 8532 8533 private long getMemoryLowThreshold() { 8534 final DeviceStorageMonitorInternal 8535 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8536 if (dsm == null) { 8537 return 0L; 8538 } 8539 return dsm.getMemoryLowThreshold(); 8540 } 8541 8542 /* 8543 * Invoke remote method to get package information and install 8544 * location values. Override install location based on default 8545 * policy if needed and then create install arguments based 8546 * on the install location. 8547 */ 8548 public void handleStartCopy() throws RemoteException { 8549 int ret = PackageManager.INSTALL_SUCCEEDED; 8550 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8551 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8552 PackageInfoLite pkgLite = null; 8553 8554 if (onInt && onSd) { 8555 // Check if both bits are set. 8556 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8557 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8558 } else { 8559 final long lowThreshold = getMemoryLowThreshold(); 8560 if (lowThreshold == 0L) { 8561 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8562 } 8563 8564 try { 8565 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8566 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8567 8568 final File packageFile; 8569 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8570 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8571 if (mTempPackage != null) { 8572 ParcelFileDescriptor out; 8573 try { 8574 out = ParcelFileDescriptor.open(mTempPackage, 8575 ParcelFileDescriptor.MODE_READ_WRITE); 8576 } catch (FileNotFoundException e) { 8577 out = null; 8578 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8579 } 8580 8581 // Make a temporary file for decryption. 8582 ret = mContainerService 8583 .copyResource(mPackageURI, encryptionParams, out); 8584 IoUtils.closeQuietly(out); 8585 8586 packageFile = mTempPackage; 8587 8588 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8589 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8590 | FileUtils.S_IROTH, 8591 -1, -1); 8592 } else { 8593 packageFile = null; 8594 } 8595 } else { 8596 packageFile = new File(mPackageURI.getPath()); 8597 } 8598 8599 if (packageFile != null) { 8600 // Remote call to find out default install location 8601 final String packageFilePath = packageFile.getAbsolutePath(); 8602 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8603 lowThreshold, packageAbiOverride); 8604 8605 /* 8606 * If we have too little free space, try to free cache 8607 * before giving up. 8608 */ 8609 if (pkgLite.recommendedInstallLocation 8610 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8611 final long size = mContainerService.calculateInstalledSize( 8612 packageFilePath, isForwardLocked(), packageAbiOverride); 8613 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8614 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8615 flags, lowThreshold, packageAbiOverride); 8616 } 8617 /* 8618 * The cache free must have deleted the file we 8619 * downloaded to install. 8620 * 8621 * TODO: fix the "freeCache" call to not delete 8622 * the file we care about. 8623 */ 8624 if (pkgLite.recommendedInstallLocation 8625 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8626 pkgLite.recommendedInstallLocation 8627 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8628 } 8629 } 8630 } 8631 } finally { 8632 mContext.revokeUriPermission(mPackageURI, 8633 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8634 } 8635 } 8636 8637 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8638 int loc = pkgLite.recommendedInstallLocation; 8639 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8640 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8641 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8642 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8643 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8644 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8645 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8646 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8647 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8648 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8649 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8650 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8651 } else { 8652 // Override with defaults if needed. 8653 loc = installLocationPolicy(pkgLite, flags); 8654 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8655 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8656 } else if (!onSd && !onInt) { 8657 // Override install location with flags 8658 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8659 // Set the flag to install on external media. 8660 flags |= PackageManager.INSTALL_EXTERNAL; 8661 flags &= ~PackageManager.INSTALL_INTERNAL; 8662 } else { 8663 // Make sure the flag for installing on external 8664 // media is unset 8665 flags |= PackageManager.INSTALL_INTERNAL; 8666 flags &= ~PackageManager.INSTALL_EXTERNAL; 8667 } 8668 } 8669 } 8670 } 8671 8672 final InstallArgs args = createInstallArgs(this); 8673 mArgs = args; 8674 8675 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8676 /* 8677 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8678 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8679 */ 8680 int userIdentifier = getUser().getIdentifier(); 8681 if (userIdentifier == UserHandle.USER_ALL 8682 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8683 userIdentifier = UserHandle.USER_OWNER; 8684 } 8685 8686 /* 8687 * Determine if we have any installed package verifiers. If we 8688 * do, then we'll defer to them to verify the packages. 8689 */ 8690 final int requiredUid = mRequiredVerifierPackage == null ? -1 8691 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8692 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8693 final Intent verification = new Intent( 8694 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8695 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8696 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8697 8698 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8699 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8700 0 /* TODO: Which userId? */); 8701 8702 if (DEBUG_VERIFY) { 8703 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8704 + verification.toString() + " with " + pkgLite.verifiers.length 8705 + " optional verifiers"); 8706 } 8707 8708 final int verificationId = mPendingVerificationToken++; 8709 8710 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8711 8712 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8713 installerPackageName); 8714 8715 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8716 8717 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8718 pkgLite.packageName); 8719 8720 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8721 pkgLite.versionCode); 8722 8723 if (verificationParams != null) { 8724 if (verificationParams.getVerificationURI() != null) { 8725 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8726 verificationParams.getVerificationURI()); 8727 } 8728 if (verificationParams.getOriginatingURI() != null) { 8729 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8730 verificationParams.getOriginatingURI()); 8731 } 8732 if (verificationParams.getReferrer() != null) { 8733 verification.putExtra(Intent.EXTRA_REFERRER, 8734 verificationParams.getReferrer()); 8735 } 8736 if (verificationParams.getOriginatingUid() >= 0) { 8737 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8738 verificationParams.getOriginatingUid()); 8739 } 8740 if (verificationParams.getInstallerUid() >= 0) { 8741 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8742 verificationParams.getInstallerUid()); 8743 } 8744 } 8745 8746 final PackageVerificationState verificationState = new PackageVerificationState( 8747 requiredUid, args); 8748 8749 mPendingVerification.append(verificationId, verificationState); 8750 8751 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8752 receivers, verificationState); 8753 8754 /* 8755 * If any sufficient verifiers were listed in the package 8756 * manifest, attempt to ask them. 8757 */ 8758 if (sufficientVerifiers != null) { 8759 final int N = sufficientVerifiers.size(); 8760 if (N == 0) { 8761 Slog.i(TAG, "Additional verifiers required, but none installed."); 8762 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8763 } else { 8764 for (int i = 0; i < N; i++) { 8765 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8766 8767 final Intent sufficientIntent = new Intent(verification); 8768 sufficientIntent.setComponent(verifierComponent); 8769 8770 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8771 } 8772 } 8773 } 8774 8775 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8776 mRequiredVerifierPackage, receivers); 8777 if (ret == PackageManager.INSTALL_SUCCEEDED 8778 && mRequiredVerifierPackage != null) { 8779 /* 8780 * Send the intent to the required verification agent, 8781 * but only start the verification timeout after the 8782 * target BroadcastReceivers have run. 8783 */ 8784 verification.setComponent(requiredVerifierComponent); 8785 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8786 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8787 new BroadcastReceiver() { 8788 @Override 8789 public void onReceive(Context context, Intent intent) { 8790 final Message msg = mHandler 8791 .obtainMessage(CHECK_PENDING_VERIFICATION); 8792 msg.arg1 = verificationId; 8793 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8794 } 8795 }, null, 0, null, null); 8796 8797 /* 8798 * We don't want the copy to proceed until verification 8799 * succeeds, so null out this field. 8800 */ 8801 mArgs = null; 8802 } 8803 } else { 8804 /* 8805 * No package verification is enabled, so immediately start 8806 * the remote call to initiate copy using temporary file. 8807 */ 8808 ret = args.copyApk(mContainerService, true); 8809 } 8810 } 8811 8812 mRet = ret; 8813 } 8814 8815 @Override 8816 void handleReturnCode() { 8817 // If mArgs is null, then MCS couldn't be reached. When it 8818 // reconnects, it will try again to install. At that point, this 8819 // will succeed. 8820 if (mArgs != null) { 8821 processPendingInstall(mArgs, mRet); 8822 8823 if (mTempPackage != null) { 8824 if (!mTempPackage.delete()) { 8825 Slog.w(TAG, "Couldn't delete temporary file: " + 8826 mTempPackage.getAbsolutePath()); 8827 } 8828 } 8829 } 8830 } 8831 8832 @Override 8833 void handleServiceError() { 8834 mArgs = createInstallArgs(this); 8835 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8836 } 8837 8838 public boolean isForwardLocked() { 8839 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8840 } 8841 8842 public Uri getPackageUri() { 8843 if (mTempPackage != null) { 8844 return Uri.fromFile(mTempPackage); 8845 } else { 8846 return mPackageURI; 8847 } 8848 } 8849 } 8850 8851 /* 8852 * Utility class used in movePackage api. 8853 * srcArgs and targetArgs are not set for invalid flags and make 8854 * sure to do null checks when invoking methods on them. 8855 * We probably want to return ErrorPrams for both failed installs 8856 * and moves. 8857 */ 8858 class MoveParams extends HandlerParams { 8859 final IPackageMoveObserver observer; 8860 final int flags; 8861 final String packageName; 8862 final InstallArgs srcArgs; 8863 final InstallArgs targetArgs; 8864 int uid; 8865 int mRet; 8866 8867 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8868 String packageName, String dataDir, String instructionSet, 8869 int uid, UserHandle user) { 8870 super(user); 8871 this.srcArgs = srcArgs; 8872 this.observer = observer; 8873 this.flags = flags; 8874 this.packageName = packageName; 8875 this.uid = uid; 8876 if (srcArgs != null) { 8877 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8878 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8879 } else { 8880 targetArgs = null; 8881 } 8882 } 8883 8884 @Override 8885 public String toString() { 8886 return "MoveParams{" 8887 + Integer.toHexString(System.identityHashCode(this)) 8888 + " " + packageName + "}"; 8889 } 8890 8891 public void handleStartCopy() throws RemoteException { 8892 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8893 // Check for storage space on target medium 8894 if (!targetArgs.checkFreeStorage(mContainerService)) { 8895 Log.w(TAG, "Insufficient storage to install"); 8896 return; 8897 } 8898 8899 mRet = srcArgs.doPreCopy(); 8900 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8901 return; 8902 } 8903 8904 mRet = targetArgs.copyApk(mContainerService, false); 8905 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8906 srcArgs.doPostCopy(uid); 8907 return; 8908 } 8909 8910 mRet = srcArgs.doPostCopy(uid); 8911 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8912 return; 8913 } 8914 8915 mRet = targetArgs.doPreInstall(mRet); 8916 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8917 return; 8918 } 8919 8920 if (DEBUG_SD_INSTALL) { 8921 StringBuilder builder = new StringBuilder(); 8922 if (srcArgs != null) { 8923 builder.append("src: "); 8924 builder.append(srcArgs.getCodePath()); 8925 } 8926 if (targetArgs != null) { 8927 builder.append(" target : "); 8928 builder.append(targetArgs.getCodePath()); 8929 } 8930 Log.i(TAG, builder.toString()); 8931 } 8932 } 8933 8934 @Override 8935 void handleReturnCode() { 8936 targetArgs.doPostInstall(mRet, uid); 8937 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8938 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8939 currentStatus = PackageManager.MOVE_SUCCEEDED; 8940 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8941 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8942 } 8943 processPendingMove(this, currentStatus); 8944 } 8945 8946 @Override 8947 void handleServiceError() { 8948 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8949 } 8950 } 8951 8952 /** 8953 * Used during creation of InstallArgs 8954 * 8955 * @param flags package installation flags 8956 * @return true if should be installed on external storage 8957 */ 8958 private static boolean installOnSd(int flags) { 8959 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8960 return false; 8961 } 8962 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8963 return true; 8964 } 8965 return false; 8966 } 8967 8968 /** 8969 * Used during creation of InstallArgs 8970 * 8971 * @param flags package installation flags 8972 * @return true if should be installed as forward locked 8973 */ 8974 private static boolean installForwardLocked(int flags) { 8975 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8976 } 8977 8978 private InstallArgs createInstallArgs(InstallParams params) { 8979 if (installOnSd(params.flags) || params.isForwardLocked()) { 8980 return new AsecInstallArgs(params); 8981 } else { 8982 return new FileInstallArgs(params); 8983 } 8984 } 8985 8986 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8987 String nativeLibraryPath, String instructionSet) { 8988 final boolean isInAsec; 8989 if (installOnSd(flags)) { 8990 /* Apps on SD card are always in ASEC containers. */ 8991 isInAsec = true; 8992 } else if (installForwardLocked(flags) 8993 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8994 /* 8995 * Forward-locked apps are only in ASEC containers if they're the 8996 * new style 8997 */ 8998 isInAsec = true; 8999 } else { 9000 isInAsec = false; 9001 } 9002 9003 if (isInAsec) { 9004 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 9005 instructionSet, installOnSd(flags), installForwardLocked(flags)); 9006 } else { 9007 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 9008 instructionSet); 9009 } 9010 } 9011 9012 // Used by package mover 9013 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 9014 String instructionSet) { 9015 if (installOnSd(flags) || installForwardLocked(flags)) { 9016 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 9017 + AsecInstallArgs.RES_FILE_NAME); 9018 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 9019 installForwardLocked(flags)); 9020 } else { 9021 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 9022 } 9023 } 9024 9025 static abstract class InstallArgs { 9026 final IPackageInstallObserver observer; 9027 final IPackageInstallObserver2 observer2; 9028 // Always refers to PackageManager flags only 9029 final int flags; 9030 final Uri packageURI; 9031 final String installerPackageName; 9032 final ManifestDigest manifestDigest; 9033 final UserHandle user; 9034 final String instructionSet; 9035 final String abiOverride; 9036 9037 InstallArgs(Uri packageURI, 9038 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 9039 int flags, String installerPackageName, ManifestDigest manifestDigest, 9040 UserHandle user, String instructionSet, String abiOverride) { 9041 this.packageURI = packageURI; 9042 this.flags = flags; 9043 this.observer = observer; 9044 this.observer2 = observer2; 9045 this.installerPackageName = installerPackageName; 9046 this.manifestDigest = manifestDigest; 9047 this.user = user; 9048 this.instructionSet = instructionSet; 9049 this.abiOverride = abiOverride; 9050 } 9051 9052 abstract void createCopyFile(); 9053 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9054 abstract int doPreInstall(int status); 9055 abstract boolean doRename(int status, String pkgName, String oldCodePath); 9056 9057 abstract int doPostInstall(int status, int uid); 9058 abstract String getCodePath(); 9059 abstract String getResourcePath(); 9060 abstract String getNativeLibraryPath(); 9061 // Need installer lock especially for dex file removal. 9062 abstract void cleanUpResourcesLI(); 9063 abstract boolean doPostDeleteLI(boolean delete); 9064 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9065 9066 /** 9067 * Called before the source arguments are copied. This is used mostly 9068 * for MoveParams when it needs to read the source file to put it in the 9069 * destination. 9070 */ 9071 int doPreCopy() { 9072 return PackageManager.INSTALL_SUCCEEDED; 9073 } 9074 9075 /** 9076 * Called after the source arguments are copied. This is used mostly for 9077 * MoveParams when it needs to read the source file to put it in the 9078 * destination. 9079 * 9080 * @return 9081 */ 9082 int doPostCopy(int uid) { 9083 return PackageManager.INSTALL_SUCCEEDED; 9084 } 9085 9086 protected boolean isFwdLocked() { 9087 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9088 } 9089 9090 UserHandle getUser() { 9091 return user; 9092 } 9093 } 9094 9095 class FileInstallArgs extends InstallArgs { 9096 File installDir; 9097 String codeFileName; 9098 String resourceFileName; 9099 String libraryPath; 9100 boolean created = false; 9101 9102 FileInstallArgs(InstallParams params) { 9103 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9104 params.installerPackageName, params.getManifestDigest(), 9105 params.getUser(), params.packageInstructionSetOverride, 9106 params.packageAbiOverride); 9107 } 9108 9109 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9110 String instructionSet) { 9111 super(null, null, null, 0, null, null, null, instructionSet, null); 9112 File codeFile = new File(fullCodePath); 9113 installDir = codeFile.getParentFile(); 9114 codeFileName = fullCodePath; 9115 resourceFileName = fullResourcePath; 9116 libraryPath = nativeLibraryPath; 9117 } 9118 9119 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 9120 super(packageURI, null, null, 0, null, null, null, instructionSet, null); 9121 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9122 String apkName = getNextCodePath(null, pkgName, ".apk"); 9123 codeFileName = new File(installDir, apkName + ".apk").getPath(); 9124 resourceFileName = getResourcePathFromCodePath(); 9125 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 9126 } 9127 9128 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9129 final long lowThreshold; 9130 9131 final DeviceStorageMonitorInternal 9132 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9133 if (dsm == null) { 9134 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9135 lowThreshold = 0L; 9136 } else { 9137 if (dsm.isMemoryLow()) { 9138 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9139 return false; 9140 } 9141 9142 lowThreshold = dsm.getMemoryLowThreshold(); 9143 } 9144 9145 try { 9146 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9147 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9148 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9149 } finally { 9150 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9151 } 9152 } 9153 9154 String getCodePath() { 9155 return codeFileName; 9156 } 9157 9158 void createCopyFile() { 9159 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9160 codeFileName = createTempPackageFile(installDir).getPath(); 9161 resourceFileName = getResourcePathFromCodePath(); 9162 libraryPath = getLibraryPathFromCodePath(); 9163 created = true; 9164 } 9165 9166 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9167 if (temp) { 9168 // Generate temp file name 9169 createCopyFile(); 9170 } 9171 // Get a ParcelFileDescriptor to write to the output file 9172 File codeFile = new File(codeFileName); 9173 if (!created) { 9174 try { 9175 codeFile.createNewFile(); 9176 // Set permissions 9177 if (!setPermissions()) { 9178 // Failed setting permissions. 9179 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9180 } 9181 } catch (IOException e) { 9182 Slog.w(TAG, "Failed to create file " + codeFile); 9183 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9184 } 9185 } 9186 ParcelFileDescriptor out = null; 9187 try { 9188 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9189 } catch (FileNotFoundException e) { 9190 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9191 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9192 } 9193 // Copy the resource now 9194 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9195 try { 9196 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9197 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9198 ret = imcs.copyResource(packageURI, null, out); 9199 } finally { 9200 IoUtils.closeQuietly(out); 9201 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9202 } 9203 9204 if (isFwdLocked()) { 9205 final File destResourceFile = new File(getResourcePath()); 9206 9207 // Copy the public files 9208 try { 9209 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9210 } catch (IOException e) { 9211 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9212 + " forward-locked app."); 9213 destResourceFile.delete(); 9214 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9215 } 9216 } 9217 9218 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9219 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9220 if (nativeLibraryFile.exists()) { 9221 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9222 nativeLibraryFile.delete(); 9223 } 9224 9225 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(codeFile); 9226 String[] abiList = (abiOverride != null) ? 9227 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9228 try { 9229 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 9230 abiOverride == null && 9231 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9232 abiList = Build.SUPPORTED_32_BIT_ABIS; 9233 } 9234 9235 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 9236 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9237 return copyRet; 9238 } 9239 } catch (IOException e) { 9240 Slog.e(TAG, "Copying native libraries failed", e); 9241 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9242 } finally { 9243 handle.close(); 9244 } 9245 9246 return ret; 9247 } 9248 9249 int doPreInstall(int status) { 9250 if (status != PackageManager.INSTALL_SUCCEEDED) { 9251 cleanUp(); 9252 } 9253 return status; 9254 } 9255 9256 boolean doRename(int status, final String pkgName, String oldCodePath) { 9257 if (status != PackageManager.INSTALL_SUCCEEDED) { 9258 cleanUp(); 9259 return false; 9260 } else { 9261 final File oldCodeFile = new File(getCodePath()); 9262 final File oldResourceFile = new File(getResourcePath()); 9263 final File oldLibraryFile = new File(getNativeLibraryPath()); 9264 9265 // Rename APK file based on packageName 9266 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9267 final File newCodeFile = new File(installDir, apkName + ".apk"); 9268 if (!oldCodeFile.renameTo(newCodeFile)) { 9269 return false; 9270 } 9271 codeFileName = newCodeFile.getPath(); 9272 9273 // Rename public resource file if it's forward-locked. 9274 final File newResFile = new File(getResourcePathFromCodePath()); 9275 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9276 return false; 9277 } 9278 resourceFileName = newResFile.getPath(); 9279 9280 // Rename library path 9281 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9282 if (newLibraryFile.exists()) { 9283 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9284 newLibraryFile.delete(); 9285 } 9286 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9287 Slog.e(TAG, "Cannot rename native library directory " 9288 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9289 return false; 9290 } 9291 libraryPath = newLibraryFile.getPath(); 9292 9293 // Attempt to set permissions 9294 if (!setPermissions()) { 9295 return false; 9296 } 9297 9298 if (!SELinux.restorecon(newCodeFile)) { 9299 return false; 9300 } 9301 9302 return true; 9303 } 9304 } 9305 9306 int doPostInstall(int status, int uid) { 9307 if (status != PackageManager.INSTALL_SUCCEEDED) { 9308 cleanUp(); 9309 } 9310 return status; 9311 } 9312 9313 String getResourcePath() { 9314 return resourceFileName; 9315 } 9316 9317 private String getResourcePathFromCodePath() { 9318 final String codePath = getCodePath(); 9319 if (isFwdLocked()) { 9320 final StringBuilder sb = new StringBuilder(); 9321 9322 sb.append(mAppInstallDir.getPath()); 9323 sb.append('/'); 9324 sb.append(getApkName(codePath)); 9325 sb.append(".zip"); 9326 9327 /* 9328 * If our APK is a temporary file, mark the resource as a 9329 * temporary file as well so it can be cleaned up after 9330 * catastrophic failure. 9331 */ 9332 if (codePath.endsWith(".tmp")) { 9333 sb.append(".tmp"); 9334 } 9335 9336 return sb.toString(); 9337 } else { 9338 return codePath; 9339 } 9340 } 9341 9342 private String getLibraryPathFromCodePath() { 9343 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9344 } 9345 9346 @Override 9347 String getNativeLibraryPath() { 9348 if (libraryPath == null) { 9349 libraryPath = getLibraryPathFromCodePath(); 9350 } 9351 return libraryPath; 9352 } 9353 9354 private boolean cleanUp() { 9355 boolean ret = true; 9356 String sourceDir = getCodePath(); 9357 String publicSourceDir = getResourcePath(); 9358 if (sourceDir != null) { 9359 File sourceFile = new File(sourceDir); 9360 if (!sourceFile.exists()) { 9361 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9362 ret = false; 9363 } 9364 // Delete application's code and resources 9365 sourceFile.delete(); 9366 } 9367 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9368 final File publicSourceFile = new File(publicSourceDir); 9369 if (!publicSourceFile.exists()) { 9370 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9371 } 9372 if (publicSourceFile.exists()) { 9373 publicSourceFile.delete(); 9374 } 9375 } 9376 9377 if (libraryPath != null) { 9378 File nativeLibraryFile = new File(libraryPath); 9379 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9380 if (!nativeLibraryFile.delete()) { 9381 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9382 } 9383 } 9384 9385 return ret; 9386 } 9387 9388 void cleanUpResourcesLI() { 9389 String sourceDir = getCodePath(); 9390 if (cleanUp()) { 9391 if (instructionSet == null) { 9392 throw new IllegalStateException("instructionSet == null"); 9393 } 9394 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9395 if (retCode < 0) { 9396 Slog.w(TAG, "Couldn't remove dex file for package: " 9397 + " at location " 9398 + sourceDir + ", retcode=" + retCode); 9399 // we don't consider this to be a failure of the core package deletion 9400 } 9401 } 9402 } 9403 9404 private boolean setPermissions() { 9405 // TODO Do this in a more elegant way later on. for now just a hack 9406 if (!isFwdLocked()) { 9407 final int filePermissions = 9408 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9409 |FileUtils.S_IROTH; 9410 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9411 if (retCode != 0) { 9412 Slog.e(TAG, "Couldn't set new package file permissions for " + 9413 getCodePath() 9414 + ". The return code was: " + retCode); 9415 // TODO Define new internal error 9416 return false; 9417 } 9418 return true; 9419 } 9420 return true; 9421 } 9422 9423 boolean doPostDeleteLI(boolean delete) { 9424 // XXX err, shouldn't we respect the delete flag? 9425 cleanUpResourcesLI(); 9426 return true; 9427 } 9428 } 9429 9430 private boolean isAsecExternal(String cid) { 9431 final String asecPath = PackageHelper.getSdFilesystem(cid); 9432 return !asecPath.startsWith(mAsecInternalPath); 9433 } 9434 9435 /** 9436 * Extract the MountService "container ID" from the full code path of an 9437 * .apk. 9438 */ 9439 static String cidFromCodePath(String fullCodePath) { 9440 int eidx = fullCodePath.lastIndexOf("/"); 9441 String subStr1 = fullCodePath.substring(0, eidx); 9442 int sidx = subStr1.lastIndexOf("/"); 9443 return subStr1.substring(sidx+1, eidx); 9444 } 9445 9446 class AsecInstallArgs extends InstallArgs { 9447 static final String RES_FILE_NAME = "pkg.apk"; 9448 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9449 9450 String cid; 9451 String packagePath; 9452 String resourcePath; 9453 String libraryPath; 9454 9455 AsecInstallArgs(InstallParams params) { 9456 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9457 params.installerPackageName, params.getManifestDigest(), 9458 params.getUser(), params.packageInstructionSetOverride, 9459 params.packageAbiOverride); 9460 } 9461 9462 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9463 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9464 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9465 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9466 null, null, null, instructionSet, null); 9467 // Extract cid from fullCodePath 9468 int eidx = fullCodePath.lastIndexOf("/"); 9469 String subStr1 = fullCodePath.substring(0, eidx); 9470 int sidx = subStr1.lastIndexOf("/"); 9471 cid = subStr1.substring(sidx+1, eidx); 9472 setCachePath(subStr1); 9473 } 9474 9475 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9476 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9477 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9478 null, null, null, instructionSet, null); 9479 this.cid = cid; 9480 setCachePath(PackageHelper.getSdDir(cid)); 9481 } 9482 9483 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9484 boolean isExternal, boolean isForwardLocked) { 9485 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9486 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9487 null, null, null, instructionSet, null); 9488 this.cid = cid; 9489 } 9490 9491 void createCopyFile() { 9492 cid = getTempContainerId(); 9493 } 9494 9495 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9496 try { 9497 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9498 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9499 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9500 } finally { 9501 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9502 } 9503 } 9504 9505 private final boolean isExternal() { 9506 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9507 } 9508 9509 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9510 if (temp) { 9511 createCopyFile(); 9512 } else { 9513 /* 9514 * Pre-emptively destroy the container since it's destroyed if 9515 * copying fails due to it existing anyway. 9516 */ 9517 PackageHelper.destroySdDir(cid); 9518 } 9519 9520 final String newCachePath; 9521 try { 9522 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9523 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9524 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9525 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9526 abiOverride); 9527 } finally { 9528 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9529 } 9530 9531 if (newCachePath != null) { 9532 setCachePath(newCachePath); 9533 return PackageManager.INSTALL_SUCCEEDED; 9534 } else { 9535 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9536 } 9537 } 9538 9539 @Override 9540 String getCodePath() { 9541 return packagePath; 9542 } 9543 9544 @Override 9545 String getResourcePath() { 9546 return resourcePath; 9547 } 9548 9549 @Override 9550 String getNativeLibraryPath() { 9551 return libraryPath; 9552 } 9553 9554 int doPreInstall(int status) { 9555 if (status != PackageManager.INSTALL_SUCCEEDED) { 9556 // Destroy container 9557 PackageHelper.destroySdDir(cid); 9558 } else { 9559 boolean mounted = PackageHelper.isContainerMounted(cid); 9560 if (!mounted) { 9561 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9562 Process.SYSTEM_UID); 9563 if (newCachePath != null) { 9564 setCachePath(newCachePath); 9565 } else { 9566 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9567 } 9568 } 9569 } 9570 return status; 9571 } 9572 9573 boolean doRename(int status, final String pkgName, 9574 String oldCodePath) { 9575 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9576 String newCachePath = null; 9577 if (PackageHelper.isContainerMounted(cid)) { 9578 // Unmount the container 9579 if (!PackageHelper.unMountSdDir(cid)) { 9580 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9581 return false; 9582 } 9583 } 9584 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9585 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9586 " which might be stale. Will try to clean up."); 9587 // Clean up the stale container and proceed to recreate. 9588 if (!PackageHelper.destroySdDir(newCacheId)) { 9589 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9590 return false; 9591 } 9592 // Successfully cleaned up stale container. Try to rename again. 9593 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9594 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9595 + " inspite of cleaning it up."); 9596 return false; 9597 } 9598 } 9599 if (!PackageHelper.isContainerMounted(newCacheId)) { 9600 Slog.w(TAG, "Mounting container " + newCacheId); 9601 newCachePath = PackageHelper.mountSdDir(newCacheId, 9602 getEncryptKey(), Process.SYSTEM_UID); 9603 } else { 9604 newCachePath = PackageHelper.getSdDir(newCacheId); 9605 } 9606 if (newCachePath == null) { 9607 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9608 return false; 9609 } 9610 Log.i(TAG, "Succesfully renamed " + cid + 9611 " to " + newCacheId + 9612 " at new path: " + newCachePath); 9613 cid = newCacheId; 9614 setCachePath(newCachePath); 9615 return true; 9616 } 9617 9618 private void setCachePath(String newCachePath) { 9619 File cachePath = new File(newCachePath); 9620 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9621 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9622 9623 if (isFwdLocked()) { 9624 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9625 } else { 9626 resourcePath = packagePath; 9627 } 9628 } 9629 9630 int doPostInstall(int status, int uid) { 9631 if (status != PackageManager.INSTALL_SUCCEEDED) { 9632 cleanUp(); 9633 } else { 9634 final int groupOwner; 9635 final String protectedFile; 9636 if (isFwdLocked()) { 9637 groupOwner = UserHandle.getSharedAppGid(uid); 9638 protectedFile = RES_FILE_NAME; 9639 } else { 9640 groupOwner = -1; 9641 protectedFile = null; 9642 } 9643 9644 if (uid < Process.FIRST_APPLICATION_UID 9645 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9646 Slog.e(TAG, "Failed to finalize " + cid); 9647 PackageHelper.destroySdDir(cid); 9648 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9649 } 9650 9651 boolean mounted = PackageHelper.isContainerMounted(cid); 9652 if (!mounted) { 9653 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9654 } 9655 } 9656 return status; 9657 } 9658 9659 private void cleanUp() { 9660 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9661 9662 // Destroy secure container 9663 PackageHelper.destroySdDir(cid); 9664 } 9665 9666 void cleanUpResourcesLI() { 9667 String sourceFile = getCodePath(); 9668 // Remove dex file 9669 if (instructionSet == null) { 9670 throw new IllegalStateException("instructionSet == null"); 9671 } 9672 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9673 if (retCode < 0) { 9674 Slog.w(TAG, "Couldn't remove dex file for package: " 9675 + " at location " 9676 + sourceFile.toString() + ", retcode=" + retCode); 9677 // we don't consider this to be a failure of the core package deletion 9678 } 9679 cleanUp(); 9680 } 9681 9682 boolean matchContainer(String app) { 9683 if (cid.startsWith(app)) { 9684 return true; 9685 } 9686 return false; 9687 } 9688 9689 String getPackageName() { 9690 return getAsecPackageName(cid); 9691 } 9692 9693 boolean doPostDeleteLI(boolean delete) { 9694 boolean ret = false; 9695 boolean mounted = PackageHelper.isContainerMounted(cid); 9696 if (mounted) { 9697 // Unmount first 9698 ret = PackageHelper.unMountSdDir(cid); 9699 } 9700 if (ret && delete) { 9701 cleanUpResourcesLI(); 9702 } 9703 return ret; 9704 } 9705 9706 @Override 9707 int doPreCopy() { 9708 if (isFwdLocked()) { 9709 if (!PackageHelper.fixSdPermissions(cid, 9710 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9711 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9712 } 9713 } 9714 9715 return PackageManager.INSTALL_SUCCEEDED; 9716 } 9717 9718 @Override 9719 int doPostCopy(int uid) { 9720 if (isFwdLocked()) { 9721 if (uid < Process.FIRST_APPLICATION_UID 9722 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9723 RES_FILE_NAME)) { 9724 Slog.e(TAG, "Failed to finalize " + cid); 9725 PackageHelper.destroySdDir(cid); 9726 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9727 } 9728 } 9729 9730 return PackageManager.INSTALL_SUCCEEDED; 9731 } 9732 }; 9733 9734 static String getAsecPackageName(String packageCid) { 9735 int idx = packageCid.lastIndexOf("-"); 9736 if (idx == -1) { 9737 return packageCid; 9738 } 9739 return packageCid.substring(0, idx); 9740 } 9741 9742 // Utility method used to create code paths based on package name and available index. 9743 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9744 String idxStr = ""; 9745 int idx = 1; 9746 // Fall back to default value of idx=1 if prefix is not 9747 // part of oldCodePath 9748 if (oldCodePath != null) { 9749 String subStr = oldCodePath; 9750 // Drop the suffix right away 9751 if (subStr.endsWith(suffix)) { 9752 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9753 } 9754 // If oldCodePath already contains prefix find out the 9755 // ending index to either increment or decrement. 9756 int sidx = subStr.lastIndexOf(prefix); 9757 if (sidx != -1) { 9758 subStr = subStr.substring(sidx + prefix.length()); 9759 if (subStr != null) { 9760 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9761 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9762 } 9763 try { 9764 idx = Integer.parseInt(subStr); 9765 if (idx <= 1) { 9766 idx++; 9767 } else { 9768 idx--; 9769 } 9770 } catch(NumberFormatException e) { 9771 } 9772 } 9773 } 9774 } 9775 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9776 return prefix + idxStr; 9777 } 9778 9779 // Utility method used to ignore ADD/REMOVE events 9780 // by directory observer. 9781 private static boolean ignoreCodePath(String fullPathStr) { 9782 String apkName = getApkName(fullPathStr); 9783 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9784 if (idx != -1 && ((idx+1) < apkName.length())) { 9785 // Make sure the package ends with a numeral 9786 String version = apkName.substring(idx+1); 9787 try { 9788 Integer.parseInt(version); 9789 return true; 9790 } catch (NumberFormatException e) {} 9791 } 9792 return false; 9793 } 9794 9795 // Utility method that returns the relative package path with respect 9796 // to the installation directory. Like say for /data/data/com.test-1.apk 9797 // string com.test-1 is returned. 9798 static String getApkName(String codePath) { 9799 if (codePath == null) { 9800 return null; 9801 } 9802 int sidx = codePath.lastIndexOf("/"); 9803 int eidx = codePath.lastIndexOf("."); 9804 if (eidx == -1) { 9805 eidx = codePath.length(); 9806 } else if (eidx == 0) { 9807 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9808 return null; 9809 } 9810 return codePath.substring(sidx+1, eidx); 9811 } 9812 9813 class PackageInstalledInfo { 9814 String name; 9815 int uid; 9816 // The set of users that originally had this package installed. 9817 int[] origUsers; 9818 // The set of users that now have this package installed. 9819 int[] newUsers; 9820 PackageParser.Package pkg; 9821 int returnCode; 9822 PackageRemovedInfo removedInfo; 9823 9824 // In some error cases we want to convey more info back to the observer 9825 String origPackage; 9826 String origPermission; 9827 } 9828 9829 /* 9830 * Install a non-existing package. 9831 */ 9832 private void installNewPackageLI(PackageParser.Package pkg, 9833 int parseFlags, int scanMode, UserHandle user, 9834 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9835 // Remember this for later, in case we need to rollback this install 9836 String pkgName = pkg.packageName; 9837 9838 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9839 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9840 synchronized(mPackages) { 9841 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9842 // A package with the same name is already installed, though 9843 // it has been renamed to an older name. The package we 9844 // are trying to install should be installed as an update to 9845 // the existing one, but that has not been requested, so bail. 9846 Slog.w(TAG, "Attempt to re-install " + pkgName 9847 + " without first uninstalling package running as " 9848 + mSettings.mRenamedPackages.get(pkgName)); 9849 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9850 return; 9851 } 9852 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9853 // Don't allow installation over an existing package with the same name. 9854 Slog.w(TAG, "Attempt to re-install " + pkgName 9855 + " without first uninstalling."); 9856 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9857 return; 9858 } 9859 } 9860 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9861 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9862 System.currentTimeMillis(), user, abiOverride); 9863 if (newPackage == null) { 9864 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9865 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9866 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9867 } 9868 } else { 9869 updateSettingsLI(newPackage, 9870 installerPackageName, 9871 null, null, 9872 res); 9873 // delete the partially installed application. the data directory will have to be 9874 // restored if it was already existing 9875 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9876 // remove package from internal structures. Note that we want deletePackageX to 9877 // delete the package data and cache directories that it created in 9878 // scanPackageLocked, unless those directories existed before we even tried to 9879 // install. 9880 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9881 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9882 res.removedInfo, true); 9883 } 9884 } 9885 } 9886 9887 private void replacePackageLI(PackageParser.Package pkg, 9888 int parseFlags, int scanMode, UserHandle user, 9889 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9890 9891 PackageParser.Package oldPackage; 9892 String pkgName = pkg.packageName; 9893 int[] allUsers; 9894 boolean[] perUserInstalled; 9895 9896 // First find the old package info and check signatures 9897 synchronized(mPackages) { 9898 oldPackage = mPackages.get(pkgName); 9899 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9900 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9901 != PackageManager.SIGNATURE_MATCH) { 9902 Slog.w(TAG, "New package has a different signature: " + pkgName); 9903 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9904 return; 9905 } 9906 9907 // In case of rollback, remember per-user/profile install state 9908 PackageSetting ps = mSettings.mPackages.get(pkgName); 9909 allUsers = sUserManager.getUserIds(); 9910 perUserInstalled = new boolean[allUsers.length]; 9911 for (int i = 0; i < allUsers.length; i++) { 9912 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9913 } 9914 } 9915 boolean sysPkg = (isSystemApp(oldPackage)); 9916 if (sysPkg) { 9917 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9918 user, allUsers, perUserInstalled, installerPackageName, res, 9919 abiOverride); 9920 } else { 9921 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9922 user, allUsers, perUserInstalled, installerPackageName, res, 9923 abiOverride); 9924 } 9925 } 9926 9927 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9928 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9929 int[] allUsers, boolean[] perUserInstalled, 9930 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9931 PackageParser.Package newPackage = null; 9932 String pkgName = deletedPackage.packageName; 9933 boolean deletedPkg = true; 9934 boolean updatedSettings = false; 9935 9936 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9937 + deletedPackage); 9938 long origUpdateTime; 9939 if (pkg.mExtras != null) { 9940 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9941 } else { 9942 origUpdateTime = 0; 9943 } 9944 9945 // First delete the existing package while retaining the data directory 9946 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9947 res.removedInfo, true)) { 9948 // If the existing package wasn't successfully deleted 9949 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9950 deletedPkg = false; 9951 } else { 9952 // Successfully deleted the old package. Now proceed with re-installation 9953 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9954 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9955 System.currentTimeMillis(), user, abiOverride); 9956 if (newPackage == null) { 9957 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9958 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9959 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9960 } 9961 } else { 9962 updateSettingsLI(newPackage, 9963 installerPackageName, 9964 allUsers, perUserInstalled, 9965 res); 9966 updatedSettings = true; 9967 } 9968 } 9969 9970 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9971 // remove package from internal structures. Note that we want deletePackageX to 9972 // delete the package data and cache directories that it created in 9973 // scanPackageLocked, unless those directories existed before we even tried to 9974 // install. 9975 if(updatedSettings) { 9976 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9977 deletePackageLI( 9978 pkgName, null, true, allUsers, perUserInstalled, 9979 PackageManager.DELETE_KEEP_DATA, 9980 res.removedInfo, true); 9981 } 9982 // Since we failed to install the new package we need to restore the old 9983 // package that we deleted. 9984 if (deletedPkg) { 9985 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9986 File restoreFile = new File(deletedPackage.mPath); 9987 // Parse old package 9988 boolean oldOnSd = isExternal(deletedPackage); 9989 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9990 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9991 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9992 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9993 | SCAN_UPDATE_TIME; 9994 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9995 origUpdateTime, null, null) == null) { 9996 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9997 return; 9998 } 9999 // Restore of old package succeeded. Update permissions. 10000 // writer 10001 synchronized (mPackages) { 10002 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10003 UPDATE_PERMISSIONS_ALL); 10004 // can downgrade to reader 10005 mSettings.writeLPr(); 10006 } 10007 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10008 } 10009 } 10010 } 10011 10012 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10013 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10014 int[] allUsers, boolean[] perUserInstalled, 10015 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10016 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10017 + ", old=" + deletedPackage); 10018 PackageParser.Package newPackage = null; 10019 boolean updatedSettings = false; 10020 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 10021 PackageParser.PARSE_IS_SYSTEM; 10022 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10023 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10024 } 10025 String packageName = deletedPackage.packageName; 10026 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10027 if (packageName == null) { 10028 Slog.w(TAG, "Attempt to delete null packageName."); 10029 return; 10030 } 10031 PackageParser.Package oldPkg; 10032 PackageSetting oldPkgSetting; 10033 // reader 10034 synchronized (mPackages) { 10035 oldPkg = mPackages.get(packageName); 10036 oldPkgSetting = mSettings.mPackages.get(packageName); 10037 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10038 (oldPkgSetting == null)) { 10039 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 10040 return; 10041 } 10042 } 10043 10044 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10045 10046 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10047 res.removedInfo.removedPackage = packageName; 10048 // Remove existing system package 10049 removePackageLI(oldPkgSetting, true); 10050 // writer 10051 synchronized (mPackages) { 10052 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10053 // We didn't need to disable the .apk as a current system package, 10054 // which means we are replacing another update that is already 10055 // installed. We need to make sure to delete the older one's .apk. 10056 res.removedInfo.args = createInstallArgs(0, 10057 deletedPackage.applicationInfo.sourceDir, 10058 deletedPackage.applicationInfo.publicSourceDir, 10059 deletedPackage.applicationInfo.nativeLibraryDir, 10060 getAppInstructionSet(deletedPackage.applicationInfo)); 10061 } else { 10062 res.removedInfo.args = null; 10063 } 10064 } 10065 10066 // Successfully disabled the old package. Now proceed with re-installation 10067 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10068 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10069 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10070 if (newPackage == null) { 10071 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 10072 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10073 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10074 } 10075 } else { 10076 if (newPackage.mExtras != null) { 10077 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10078 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10079 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10080 10081 // is the update attempting to change shared user? that isn't going to work... 10082 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10083 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10084 + " to " + newPkgSetting.sharedUser); 10085 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10086 updatedSettings = true; 10087 } 10088 } 10089 10090 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10091 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10092 updatedSettings = true; 10093 } 10094 } 10095 10096 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10097 // Re installation failed. Restore old information 10098 // Remove new pkg information 10099 if (newPackage != null) { 10100 removeInstalledPackageLI(newPackage, true); 10101 } 10102 // Add back the old system package 10103 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10104 // Restore the old system information in Settings 10105 synchronized(mPackages) { 10106 if (updatedSettings) { 10107 mSettings.enableSystemPackageLPw(packageName); 10108 mSettings.setInstallerPackageName(packageName, 10109 oldPkgSetting.installerPackageName); 10110 } 10111 mSettings.writeLPr(); 10112 } 10113 } 10114 } 10115 10116 // Utility method used to move dex files during install. 10117 private int moveDexFilesLI(PackageParser.Package newPackage) { 10118 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10119 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 10120 int retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath, 10121 instructionSet); 10122 if (retCode != 0) { 10123 /* 10124 * Programs may be lazily run through dexopt, so the 10125 * source may not exist. However, something seems to 10126 * have gone wrong, so note that dexopt needs to be 10127 * run again and remove the source file. In addition, 10128 * remove the target to make sure there isn't a stale 10129 * file from a previous version of the package. 10130 */ 10131 newPackage.mDexOptNeeded = true; 10132 mInstaller.rmdex(newPackage.mScanPath, instructionSet); 10133 mInstaller.rmdex(newPackage.mPath, instructionSet); 10134 } 10135 } 10136 return PackageManager.INSTALL_SUCCEEDED; 10137 } 10138 10139 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10140 int[] allUsers, boolean[] perUserInstalled, 10141 PackageInstalledInfo res) { 10142 String pkgName = newPackage.packageName; 10143 synchronized (mPackages) { 10144 //write settings. the installStatus will be incomplete at this stage. 10145 //note that the new package setting would have already been 10146 //added to mPackages. It hasn't been persisted yet. 10147 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10148 mSettings.writeLPr(); 10149 } 10150 10151 if ((res.returnCode = moveDexFilesLI(newPackage)) 10152 != PackageManager.INSTALL_SUCCEEDED) { 10153 // Discontinue if moving dex files failed. 10154 return; 10155 } 10156 10157 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 10158 10159 synchronized (mPackages) { 10160 updatePermissionsLPw(newPackage.packageName, newPackage, 10161 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10162 ? UPDATE_PERMISSIONS_ALL : 0)); 10163 // For system-bundled packages, we assume that installing an upgraded version 10164 // of the package implies that the user actually wants to run that new code, 10165 // so we enable the package. 10166 if (isSystemApp(newPackage)) { 10167 // NB: implicit assumption that system package upgrades apply to all users 10168 if (DEBUG_INSTALL) { 10169 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10170 } 10171 PackageSetting ps = mSettings.mPackages.get(pkgName); 10172 if (ps != null) { 10173 if (res.origUsers != null) { 10174 for (int userHandle : res.origUsers) { 10175 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10176 userHandle, installerPackageName); 10177 } 10178 } 10179 // Also convey the prior install/uninstall state 10180 if (allUsers != null && perUserInstalled != null) { 10181 for (int i = 0; i < allUsers.length; i++) { 10182 if (DEBUG_INSTALL) { 10183 Slog.d(TAG, " user " + allUsers[i] 10184 + " => " + perUserInstalled[i]); 10185 } 10186 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10187 } 10188 // these install state changes will be persisted in the 10189 // upcoming call to mSettings.writeLPr(). 10190 } 10191 } 10192 } 10193 res.name = pkgName; 10194 res.uid = newPackage.applicationInfo.uid; 10195 res.pkg = newPackage; 10196 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10197 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10198 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10199 //to update install status 10200 mSettings.writeLPr(); 10201 } 10202 } 10203 10204 private void installPackageLI(InstallArgs args, 10205 boolean newInstall, PackageInstalledInfo res) { 10206 int pFlags = args.flags; 10207 String installerPackageName = args.installerPackageName; 10208 File tmpPackageFile = new File(args.getCodePath()); 10209 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10210 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10211 boolean replace = false; 10212 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10213 | (newInstall ? SCAN_NEW_INSTALL : 0); 10214 // Result object to be returned 10215 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10216 10217 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10218 // Retrieve PackageSettings and parse package 10219 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10220 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10221 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10222 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 10223 pp.setSeparateProcesses(mSeparateProcesses); 10224 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 10225 null, mMetrics, parseFlags); 10226 if (pkg == null) { 10227 res.returnCode = pp.getParseError(); 10228 return; 10229 } 10230 String pkgName = res.name = pkg.packageName; 10231 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10232 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10233 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10234 return; 10235 } 10236 } 10237 if (!pp.collectCertificates(pkg, parseFlags)) { 10238 res.returnCode = pp.getParseError(); 10239 return; 10240 } 10241 10242 /* If the installer passed in a manifest digest, compare it now. */ 10243 if (args.manifestDigest != null) { 10244 if (DEBUG_INSTALL) { 10245 final String parsedManifest = pkg.manifestDigest == null ? "null" 10246 : pkg.manifestDigest.toString(); 10247 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10248 + parsedManifest); 10249 } 10250 10251 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10252 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10253 return; 10254 } 10255 } else if (DEBUG_INSTALL) { 10256 final String parsedManifest = pkg.manifestDigest == null 10257 ? "null" : pkg.manifestDigest.toString(); 10258 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10259 } 10260 10261 // Get rid of all references to package scan path via parser. 10262 pp = null; 10263 String oldCodePath = null; 10264 boolean systemApp = false; 10265 synchronized (mPackages) { 10266 // Check whether the newly-scanned package wants to define an already-defined perm 10267 int N = pkg.permissions.size(); 10268 for (int i = 0; i < N; i++) { 10269 PackageParser.Permission perm = pkg.permissions.get(i); 10270 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10271 if (bp != null) { 10272 // If the defining package is signed with our cert, it's okay. This 10273 // also includes the "updating the same package" case, of course. 10274 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10275 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10276 Slog.w(TAG, "Package " + pkg.packageName 10277 + " attempting to redeclare permission " + perm.info.name 10278 + " already owned by " + bp.sourcePackage); 10279 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10280 res.origPermission = perm.info.name; 10281 res.origPackage = bp.sourcePackage; 10282 return; 10283 } 10284 } 10285 } 10286 10287 // Check if installing already existing package 10288 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10289 String oldName = mSettings.mRenamedPackages.get(pkgName); 10290 if (pkg.mOriginalPackages != null 10291 && pkg.mOriginalPackages.contains(oldName) 10292 && mPackages.containsKey(oldName)) { 10293 // This package is derived from an original package, 10294 // and this device has been updating from that original 10295 // name. We must continue using the original name, so 10296 // rename the new package here. 10297 pkg.setPackageName(oldName); 10298 pkgName = pkg.packageName; 10299 replace = true; 10300 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10301 + oldName + " pkgName=" + pkgName); 10302 } else if (mPackages.containsKey(pkgName)) { 10303 // This package, under its official name, already exists 10304 // on the device; we should replace it. 10305 replace = true; 10306 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10307 } 10308 } 10309 PackageSetting ps = mSettings.mPackages.get(pkgName); 10310 if (ps != null) { 10311 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10312 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10313 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10314 systemApp = (ps.pkg.applicationInfo.flags & 10315 ApplicationInfo.FLAG_SYSTEM) != 0; 10316 } 10317 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10318 } 10319 } 10320 10321 if (systemApp && onSd) { 10322 // Disable updates to system apps on sdcard 10323 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10324 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10325 return; 10326 } 10327 10328 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10329 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10330 return; 10331 } 10332 // Set application objects path explicitly after the rename 10333 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 10334 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10335 if (replace) { 10336 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10337 installerPackageName, res, args.abiOverride); 10338 } else { 10339 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10340 installerPackageName, res, args.abiOverride); 10341 } 10342 synchronized (mPackages) { 10343 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10344 if (ps != null) { 10345 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10346 } 10347 } 10348 } 10349 10350 private static boolean isForwardLocked(PackageParser.Package pkg) { 10351 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10352 } 10353 10354 10355 private boolean isForwardLocked(PackageSetting ps) { 10356 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10357 } 10358 10359 private static boolean isExternal(PackageParser.Package pkg) { 10360 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10361 } 10362 10363 private static boolean isExternal(PackageSetting ps) { 10364 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10365 } 10366 10367 private static boolean isSystemApp(PackageParser.Package pkg) { 10368 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10369 } 10370 10371 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10372 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10373 } 10374 10375 private static boolean isSystemApp(ApplicationInfo info) { 10376 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10377 } 10378 10379 private static boolean isSystemApp(PackageSetting ps) { 10380 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10381 } 10382 10383 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10384 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10385 } 10386 10387 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10388 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10389 } 10390 10391 private int packageFlagsToInstallFlags(PackageSetting ps) { 10392 int installFlags = 0; 10393 if (isExternal(ps)) { 10394 installFlags |= PackageManager.INSTALL_EXTERNAL; 10395 } 10396 if (isForwardLocked(ps)) { 10397 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10398 } 10399 return installFlags; 10400 } 10401 10402 private void deleteTempPackageFiles() { 10403 final FilenameFilter filter = new FilenameFilter() { 10404 public boolean accept(File dir, String name) { 10405 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10406 } 10407 }; 10408 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10409 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10410 } 10411 10412 private static final void deleteTempPackageFilesInDirectory(File directory, 10413 FilenameFilter filter) { 10414 final String[] tmpFilesList = directory.list(filter); 10415 if (tmpFilesList == null) { 10416 return; 10417 } 10418 for (int i = 0; i < tmpFilesList.length; i++) { 10419 final File tmpFile = new File(directory, tmpFilesList[i]); 10420 tmpFile.delete(); 10421 } 10422 } 10423 10424 private File createTempPackageFile(File installDir) { 10425 File tmpPackageFile; 10426 try { 10427 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10428 } catch (IOException e) { 10429 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10430 return null; 10431 } 10432 try { 10433 FileUtils.setPermissions( 10434 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10435 -1, -1); 10436 if (!SELinux.restorecon(tmpPackageFile)) { 10437 return null; 10438 } 10439 } catch (IOException e) { 10440 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10441 return null; 10442 } 10443 return tmpPackageFile; 10444 } 10445 10446 @Override 10447 public void deletePackageAsUser(final String packageName, 10448 final IPackageDeleteObserver observer, 10449 final int userId, final int flags) { 10450 mContext.enforceCallingOrSelfPermission( 10451 android.Manifest.permission.DELETE_PACKAGES, null); 10452 final int uid = Binder.getCallingUid(); 10453 if (UserHandle.getUserId(uid) != userId) { 10454 mContext.enforceCallingPermission( 10455 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10456 "deletePackage for user " + userId); 10457 } 10458 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10459 try { 10460 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10461 } catch (RemoteException re) { 10462 } 10463 return; 10464 } 10465 10466 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10467 // Queue up an async operation since the package deletion may take a little while. 10468 mHandler.post(new Runnable() { 10469 public void run() { 10470 mHandler.removeCallbacks(this); 10471 final int returnCode = deletePackageX(packageName, userId, flags); 10472 if (observer != null) { 10473 try { 10474 observer.packageDeleted(packageName, returnCode); 10475 } catch (RemoteException e) { 10476 Log.i(TAG, "Observer no longer exists."); 10477 } //end catch 10478 } //end if 10479 } //end run 10480 }); 10481 } 10482 10483 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10484 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10485 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10486 try { 10487 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10488 || dpm.isDeviceOwner(packageName))) { 10489 return true; 10490 } 10491 } catch (RemoteException e) { 10492 } 10493 return false; 10494 } 10495 10496 /** 10497 * This method is an internal method that could be get invoked either 10498 * to delete an installed package or to clean up a failed installation. 10499 * After deleting an installed package, a broadcast is sent to notify any 10500 * listeners that the package has been installed. For cleaning up a failed 10501 * installation, the broadcast is not necessary since the package's 10502 * installation wouldn't have sent the initial broadcast either 10503 * The key steps in deleting a package are 10504 * deleting the package information in internal structures like mPackages, 10505 * deleting the packages base directories through installd 10506 * updating mSettings to reflect current status 10507 * persisting settings for later use 10508 * sending a broadcast if necessary 10509 */ 10510 private int deletePackageX(String packageName, int userId, int flags) { 10511 final PackageRemovedInfo info = new PackageRemovedInfo(); 10512 final boolean res; 10513 10514 if (isPackageDeviceAdmin(packageName, userId)) { 10515 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10516 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10517 } 10518 10519 boolean removedForAllUsers = false; 10520 boolean systemUpdate = false; 10521 10522 // for the uninstall-updates case and restricted profiles, remember the per- 10523 // userhandle installed state 10524 int[] allUsers; 10525 boolean[] perUserInstalled; 10526 synchronized (mPackages) { 10527 PackageSetting ps = mSettings.mPackages.get(packageName); 10528 allUsers = sUserManager.getUserIds(); 10529 perUserInstalled = new boolean[allUsers.length]; 10530 for (int i = 0; i < allUsers.length; i++) { 10531 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10532 } 10533 } 10534 10535 synchronized (mInstallLock) { 10536 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10537 res = deletePackageLI(packageName, 10538 (flags & PackageManager.DELETE_ALL_USERS) != 0 10539 ? UserHandle.ALL : new UserHandle(userId), 10540 true, allUsers, perUserInstalled, 10541 flags | REMOVE_CHATTY, info, true); 10542 systemUpdate = info.isRemovedPackageSystemUpdate; 10543 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10544 removedForAllUsers = true; 10545 } 10546 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10547 + " removedForAllUsers=" + removedForAllUsers); 10548 } 10549 10550 if (res) { 10551 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10552 10553 // If the removed package was a system update, the old system package 10554 // was re-enabled; we need to broadcast this information 10555 if (systemUpdate) { 10556 Bundle extras = new Bundle(1); 10557 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10558 ? info.removedAppId : info.uid); 10559 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10560 10561 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10562 extras, null, null, null); 10563 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10564 extras, null, null, null); 10565 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10566 null, packageName, null, null); 10567 } 10568 } 10569 // Force a gc here. 10570 Runtime.getRuntime().gc(); 10571 // Delete the resources here after sending the broadcast to let 10572 // other processes clean up before deleting resources. 10573 if (info.args != null) { 10574 synchronized (mInstallLock) { 10575 info.args.doPostDeleteLI(true); 10576 } 10577 } 10578 10579 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10580 } 10581 10582 static class PackageRemovedInfo { 10583 String removedPackage; 10584 int uid = -1; 10585 int removedAppId = -1; 10586 int[] removedUsers = null; 10587 boolean isRemovedPackageSystemUpdate = false; 10588 // Clean up resources deleted packages. 10589 InstallArgs args = null; 10590 10591 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10592 Bundle extras = new Bundle(1); 10593 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10594 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10595 if (replacing) { 10596 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10597 } 10598 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10599 if (removedPackage != null) { 10600 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10601 extras, null, null, removedUsers); 10602 if (fullRemove && !replacing) { 10603 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10604 extras, null, null, removedUsers); 10605 } 10606 } 10607 if (removedAppId >= 0) { 10608 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10609 removedUsers); 10610 } 10611 } 10612 } 10613 10614 /* 10615 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10616 * flag is not set, the data directory is removed as well. 10617 * make sure this flag is set for partially installed apps. If not its meaningless to 10618 * delete a partially installed application. 10619 */ 10620 private void removePackageDataLI(PackageSetting ps, 10621 int[] allUserHandles, boolean[] perUserInstalled, 10622 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10623 String packageName = ps.name; 10624 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10625 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10626 // Retrieve object to delete permissions for shared user later on 10627 final PackageSetting deletedPs; 10628 // reader 10629 synchronized (mPackages) { 10630 deletedPs = mSettings.mPackages.get(packageName); 10631 if (outInfo != null) { 10632 outInfo.removedPackage = packageName; 10633 outInfo.removedUsers = deletedPs != null 10634 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10635 : null; 10636 } 10637 } 10638 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10639 removeDataDirsLI(packageName); 10640 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10641 } 10642 // writer 10643 synchronized (mPackages) { 10644 if (deletedPs != null) { 10645 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10646 if (outInfo != null) { 10647 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10648 } 10649 if (deletedPs != null) { 10650 updatePermissionsLPw(deletedPs.name, null, 0); 10651 if (deletedPs.sharedUser != null) { 10652 // remove permissions associated with package 10653 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10654 } 10655 } 10656 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10657 } 10658 // make sure to preserve per-user disabled state if this removal was just 10659 // a downgrade of a system app to the factory package 10660 if (allUserHandles != null && perUserInstalled != null) { 10661 if (DEBUG_REMOVE) { 10662 Slog.d(TAG, "Propagating install state across downgrade"); 10663 } 10664 for (int i = 0; i < allUserHandles.length; i++) { 10665 if (DEBUG_REMOVE) { 10666 Slog.d(TAG, " user " + allUserHandles[i] 10667 + " => " + perUserInstalled[i]); 10668 } 10669 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10670 } 10671 } 10672 } 10673 // can downgrade to reader 10674 if (writeSettings) { 10675 // Save settings now 10676 mSettings.writeLPr(); 10677 } 10678 } 10679 if (outInfo != null) { 10680 // A user ID was deleted here. Go through all users and remove it 10681 // from KeyStore. 10682 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10683 } 10684 } 10685 10686 static boolean locationIsPrivileged(File path) { 10687 try { 10688 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10689 .getCanonicalPath(); 10690 return path.getCanonicalPath().startsWith(privilegedAppDir); 10691 } catch (IOException e) { 10692 Slog.e(TAG, "Unable to access code path " + path); 10693 } 10694 return false; 10695 } 10696 10697 /* 10698 * Tries to delete system package. 10699 */ 10700 private boolean deleteSystemPackageLI(PackageSetting newPs, 10701 int[] allUserHandles, boolean[] perUserInstalled, 10702 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10703 final boolean applyUserRestrictions 10704 = (allUserHandles != null) && (perUserInstalled != null); 10705 PackageSetting disabledPs = null; 10706 // Confirm if the system package has been updated 10707 // An updated system app can be deleted. This will also have to restore 10708 // the system pkg from system partition 10709 // reader 10710 synchronized (mPackages) { 10711 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10712 } 10713 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10714 + " disabledPs=" + disabledPs); 10715 if (disabledPs == null) { 10716 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10717 return false; 10718 } else if (DEBUG_REMOVE) { 10719 Slog.d(TAG, "Deleting system pkg from data partition"); 10720 } 10721 if (DEBUG_REMOVE) { 10722 if (applyUserRestrictions) { 10723 Slog.d(TAG, "Remembering install states:"); 10724 for (int i = 0; i < allUserHandles.length; i++) { 10725 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10726 } 10727 } 10728 } 10729 // Delete the updated package 10730 outInfo.isRemovedPackageSystemUpdate = true; 10731 if (disabledPs.versionCode < newPs.versionCode) { 10732 // Delete data for downgrades 10733 flags &= ~PackageManager.DELETE_KEEP_DATA; 10734 } else { 10735 // Preserve data by setting flag 10736 flags |= PackageManager.DELETE_KEEP_DATA; 10737 } 10738 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10739 allUserHandles, perUserInstalled, outInfo, writeSettings); 10740 if (!ret) { 10741 return false; 10742 } 10743 // writer 10744 synchronized (mPackages) { 10745 // Reinstate the old system package 10746 mSettings.enableSystemPackageLPw(newPs.name); 10747 // Remove any native libraries from the upgraded package. 10748 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10749 } 10750 // Install the system package 10751 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10752 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10753 if (locationIsPrivileged(disabledPs.codePath)) { 10754 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10755 } 10756 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10757 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10758 10759 if (newPkg == null) { 10760 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10761 + " with error:" + mLastScanError); 10762 return false; 10763 } 10764 // writer 10765 synchronized (mPackages) { 10766 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10767 setInternalAppNativeLibraryPath(newPkg, ps); 10768 updatePermissionsLPw(newPkg.packageName, newPkg, 10769 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10770 if (applyUserRestrictions) { 10771 if (DEBUG_REMOVE) { 10772 Slog.d(TAG, "Propagating install state across reinstall"); 10773 } 10774 for (int i = 0; i < allUserHandles.length; i++) { 10775 if (DEBUG_REMOVE) { 10776 Slog.d(TAG, " user " + allUserHandles[i] 10777 + " => " + perUserInstalled[i]); 10778 } 10779 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10780 } 10781 // Regardless of writeSettings we need to ensure that this restriction 10782 // state propagation is persisted 10783 mSettings.writeAllUsersPackageRestrictionsLPr(); 10784 } 10785 // can downgrade to reader here 10786 if (writeSettings) { 10787 mSettings.writeLPr(); 10788 } 10789 } 10790 return true; 10791 } 10792 10793 private boolean deleteInstalledPackageLI(PackageSetting ps, 10794 boolean deleteCodeAndResources, int flags, 10795 int[] allUserHandles, boolean[] perUserInstalled, 10796 PackageRemovedInfo outInfo, boolean writeSettings) { 10797 if (outInfo != null) { 10798 outInfo.uid = ps.appId; 10799 } 10800 10801 // Delete package data from internal structures and also remove data if flag is set 10802 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10803 10804 // Delete application code and resources 10805 if (deleteCodeAndResources && (outInfo != null)) { 10806 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10807 ps.resourcePathString, ps.nativeLibraryPathString, 10808 getAppInstructionSetFromSettings(ps)); 10809 } 10810 return true; 10811 } 10812 10813 /* 10814 * This method handles package deletion in general 10815 */ 10816 private boolean deletePackageLI(String packageName, UserHandle user, 10817 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10818 int flags, PackageRemovedInfo outInfo, 10819 boolean writeSettings) { 10820 if (packageName == null) { 10821 Slog.w(TAG, "Attempt to delete null packageName."); 10822 return false; 10823 } 10824 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10825 PackageSetting ps; 10826 boolean dataOnly = false; 10827 int removeUser = -1; 10828 int appId = -1; 10829 synchronized (mPackages) { 10830 ps = mSettings.mPackages.get(packageName); 10831 if (ps == null) { 10832 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10833 return false; 10834 } 10835 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10836 && user.getIdentifier() != UserHandle.USER_ALL) { 10837 // The caller is asking that the package only be deleted for a single 10838 // user. To do this, we just mark its uninstalled state and delete 10839 // its data. If this is a system app, we only allow this to happen if 10840 // they have set the special DELETE_SYSTEM_APP which requests different 10841 // semantics than normal for uninstalling system apps. 10842 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10843 ps.setUserState(user.getIdentifier(), 10844 COMPONENT_ENABLED_STATE_DEFAULT, 10845 false, //installed 10846 true, //stopped 10847 true, //notLaunched 10848 false, //blocked 10849 null, null, null); 10850 if (!isSystemApp(ps)) { 10851 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10852 // Other user still have this package installed, so all 10853 // we need to do is clear this user's data and save that 10854 // it is uninstalled. 10855 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10856 removeUser = user.getIdentifier(); 10857 appId = ps.appId; 10858 mSettings.writePackageRestrictionsLPr(removeUser); 10859 } else { 10860 // We need to set it back to 'installed' so the uninstall 10861 // broadcasts will be sent correctly. 10862 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10863 ps.setInstalled(true, user.getIdentifier()); 10864 } 10865 } else { 10866 // This is a system app, so we assume that the 10867 // other users still have this package installed, so all 10868 // we need to do is clear this user's data and save that 10869 // it is uninstalled. 10870 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10871 removeUser = user.getIdentifier(); 10872 appId = ps.appId; 10873 mSettings.writePackageRestrictionsLPr(removeUser); 10874 } 10875 } 10876 } 10877 10878 if (removeUser >= 0) { 10879 // From above, we determined that we are deleting this only 10880 // for a single user. Continue the work here. 10881 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10882 if (outInfo != null) { 10883 outInfo.removedPackage = packageName; 10884 outInfo.removedAppId = appId; 10885 outInfo.removedUsers = new int[] {removeUser}; 10886 } 10887 mInstaller.clearUserData(packageName, removeUser); 10888 removeKeystoreDataIfNeeded(removeUser, appId); 10889 schedulePackageCleaning(packageName, removeUser, false); 10890 return true; 10891 } 10892 10893 if (dataOnly) { 10894 // Delete application data first 10895 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10896 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10897 return true; 10898 } 10899 10900 boolean ret = false; 10901 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10902 if (isSystemApp(ps)) { 10903 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10904 // When an updated system application is deleted we delete the existing resources as well and 10905 // fall back to existing code in system partition 10906 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10907 flags, outInfo, writeSettings); 10908 } else { 10909 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10910 // Kill application pre-emptively especially for apps on sd. 10911 killApplication(packageName, ps.appId, "uninstall pkg"); 10912 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10913 allUserHandles, perUserInstalled, 10914 outInfo, writeSettings); 10915 } 10916 10917 return ret; 10918 } 10919 10920 private final class ClearStorageConnection implements ServiceConnection { 10921 IMediaContainerService mContainerService; 10922 10923 @Override 10924 public void onServiceConnected(ComponentName name, IBinder service) { 10925 synchronized (this) { 10926 mContainerService = IMediaContainerService.Stub.asInterface(service); 10927 notifyAll(); 10928 } 10929 } 10930 10931 @Override 10932 public void onServiceDisconnected(ComponentName name) { 10933 } 10934 } 10935 10936 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10937 final boolean mounted; 10938 if (Environment.isExternalStorageEmulated()) { 10939 mounted = true; 10940 } else { 10941 final String status = Environment.getExternalStorageState(); 10942 10943 mounted = status.equals(Environment.MEDIA_MOUNTED) 10944 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10945 } 10946 10947 if (!mounted) { 10948 return; 10949 } 10950 10951 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10952 int[] users; 10953 if (userId == UserHandle.USER_ALL) { 10954 users = sUserManager.getUserIds(); 10955 } else { 10956 users = new int[] { userId }; 10957 } 10958 final ClearStorageConnection conn = new ClearStorageConnection(); 10959 if (mContext.bindServiceAsUser( 10960 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10961 try { 10962 for (int curUser : users) { 10963 long timeout = SystemClock.uptimeMillis() + 5000; 10964 synchronized (conn) { 10965 long now = SystemClock.uptimeMillis(); 10966 while (conn.mContainerService == null && now < timeout) { 10967 try { 10968 conn.wait(timeout - now); 10969 } catch (InterruptedException e) { 10970 } 10971 } 10972 } 10973 if (conn.mContainerService == null) { 10974 return; 10975 } 10976 10977 final UserEnvironment userEnv = new UserEnvironment(curUser); 10978 clearDirectory(conn.mContainerService, 10979 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10980 if (allData) { 10981 clearDirectory(conn.mContainerService, 10982 userEnv.buildExternalStorageAppDataDirs(packageName)); 10983 clearDirectory(conn.mContainerService, 10984 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10985 } 10986 } 10987 } finally { 10988 mContext.unbindService(conn); 10989 } 10990 } 10991 } 10992 10993 @Override 10994 public void clearApplicationUserData(final String packageName, 10995 final IPackageDataObserver observer, final int userId) { 10996 mContext.enforceCallingOrSelfPermission( 10997 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10998 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10999 // Queue up an async operation since the package deletion may take a little while. 11000 mHandler.post(new Runnable() { 11001 public void run() { 11002 mHandler.removeCallbacks(this); 11003 final boolean succeeded; 11004 synchronized (mInstallLock) { 11005 succeeded = clearApplicationUserDataLI(packageName, userId); 11006 } 11007 clearExternalStorageDataSync(packageName, userId, true); 11008 if (succeeded) { 11009 // invoke DeviceStorageMonitor's update method to clear any notifications 11010 DeviceStorageMonitorInternal 11011 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11012 if (dsm != null) { 11013 dsm.checkMemory(); 11014 } 11015 } 11016 if(observer != null) { 11017 try { 11018 observer.onRemoveCompleted(packageName, succeeded); 11019 } catch (RemoteException e) { 11020 Log.i(TAG, "Observer no longer exists."); 11021 } 11022 } //end if observer 11023 } //end run 11024 }); 11025 } 11026 11027 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11028 if (packageName == null) { 11029 Slog.w(TAG, "Attempt to delete null packageName."); 11030 return false; 11031 } 11032 PackageParser.Package p; 11033 boolean dataOnly = false; 11034 final int appId; 11035 synchronized (mPackages) { 11036 p = mPackages.get(packageName); 11037 if (p == null) { 11038 dataOnly = true; 11039 PackageSetting ps = mSettings.mPackages.get(packageName); 11040 if ((ps == null) || (ps.pkg == null)) { 11041 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11042 return false; 11043 } 11044 p = ps.pkg; 11045 } 11046 if (!dataOnly) { 11047 // need to check this only for fully installed applications 11048 if (p == null) { 11049 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11050 return false; 11051 } 11052 final ApplicationInfo applicationInfo = p.applicationInfo; 11053 if (applicationInfo == null) { 11054 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11055 return false; 11056 } 11057 } 11058 if (p != null && p.applicationInfo != null) { 11059 appId = p.applicationInfo.uid; 11060 } else { 11061 appId = -1; 11062 } 11063 } 11064 int retCode = mInstaller.clearUserData(packageName, userId); 11065 if (retCode < 0) { 11066 Slog.w(TAG, "Couldn't remove cache files for package: " 11067 + packageName); 11068 return false; 11069 } 11070 removeKeystoreDataIfNeeded(userId, appId); 11071 return true; 11072 } 11073 11074 /** 11075 * Remove entries from the keystore daemon. Will only remove it if the 11076 * {@code appId} is valid. 11077 */ 11078 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11079 if (appId < 0) { 11080 return; 11081 } 11082 11083 final KeyStore keyStore = KeyStore.getInstance(); 11084 if (keyStore != null) { 11085 if (userId == UserHandle.USER_ALL) { 11086 for (final int individual : sUserManager.getUserIds()) { 11087 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11088 } 11089 } else { 11090 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11091 } 11092 } else { 11093 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11094 } 11095 } 11096 11097 @Override 11098 public void deleteApplicationCacheFiles(final String packageName, 11099 final IPackageDataObserver observer) { 11100 mContext.enforceCallingOrSelfPermission( 11101 android.Manifest.permission.DELETE_CACHE_FILES, null); 11102 // Queue up an async operation since the package deletion may take a little while. 11103 final int userId = UserHandle.getCallingUserId(); 11104 mHandler.post(new Runnable() { 11105 public void run() { 11106 mHandler.removeCallbacks(this); 11107 final boolean succeded; 11108 synchronized (mInstallLock) { 11109 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11110 } 11111 clearExternalStorageDataSync(packageName, userId, false); 11112 if(observer != null) { 11113 try { 11114 observer.onRemoveCompleted(packageName, succeded); 11115 } catch (RemoteException e) { 11116 Log.i(TAG, "Observer no longer exists."); 11117 } 11118 } //end if observer 11119 } //end run 11120 }); 11121 } 11122 11123 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11124 if (packageName == null) { 11125 Slog.w(TAG, "Attempt to delete null packageName."); 11126 return false; 11127 } 11128 PackageParser.Package p; 11129 synchronized (mPackages) { 11130 p = mPackages.get(packageName); 11131 } 11132 if (p == null) { 11133 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11134 return false; 11135 } 11136 final ApplicationInfo applicationInfo = p.applicationInfo; 11137 if (applicationInfo == null) { 11138 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11139 return false; 11140 } 11141 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11142 if (retCode < 0) { 11143 Slog.w(TAG, "Couldn't remove cache files for package: " 11144 + packageName + " u" + userId); 11145 return false; 11146 } 11147 return true; 11148 } 11149 11150 @Override 11151 public void getPackageSizeInfo(final String packageName, int userHandle, 11152 final IPackageStatsObserver observer) { 11153 mContext.enforceCallingOrSelfPermission( 11154 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11155 if (packageName == null) { 11156 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11157 } 11158 11159 PackageStats stats = new PackageStats(packageName, userHandle); 11160 11161 /* 11162 * Queue up an async operation since the package measurement may take a 11163 * little while. 11164 */ 11165 Message msg = mHandler.obtainMessage(INIT_COPY); 11166 msg.obj = new MeasureParams(stats, observer); 11167 mHandler.sendMessage(msg); 11168 } 11169 11170 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11171 PackageStats pStats) { 11172 if (packageName == null) { 11173 Slog.w(TAG, "Attempt to get size of null packageName."); 11174 return false; 11175 } 11176 PackageParser.Package p; 11177 boolean dataOnly = false; 11178 String libDirPath = null; 11179 String asecPath = null; 11180 PackageSetting ps = null; 11181 synchronized (mPackages) { 11182 p = mPackages.get(packageName); 11183 ps = mSettings.mPackages.get(packageName); 11184 if(p == null) { 11185 dataOnly = true; 11186 if((ps == null) || (ps.pkg == null)) { 11187 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11188 return false; 11189 } 11190 p = ps.pkg; 11191 } 11192 if (ps != null) { 11193 libDirPath = ps.nativeLibraryPathString; 11194 } 11195 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11196 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11197 if (secureContainerId != null) { 11198 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11199 } 11200 } 11201 } 11202 String publicSrcDir = null; 11203 if(!dataOnly) { 11204 final ApplicationInfo applicationInfo = p.applicationInfo; 11205 if (applicationInfo == null) { 11206 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11207 return false; 11208 } 11209 if (isForwardLocked(p)) { 11210 publicSrcDir = applicationInfo.publicSourceDir; 11211 } 11212 } 11213 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 11214 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11215 pStats); 11216 if (res < 0) { 11217 return false; 11218 } 11219 11220 // Fix-up for forward-locked applications in ASEC containers. 11221 if (!isExternal(p)) { 11222 pStats.codeSize += pStats.externalCodeSize; 11223 pStats.externalCodeSize = 0L; 11224 } 11225 11226 return true; 11227 } 11228 11229 11230 @Override 11231 public void addPackageToPreferred(String packageName) { 11232 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11233 } 11234 11235 @Override 11236 public void removePackageFromPreferred(String packageName) { 11237 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11238 } 11239 11240 @Override 11241 public List<PackageInfo> getPreferredPackages(int flags) { 11242 return new ArrayList<PackageInfo>(); 11243 } 11244 11245 private int getUidTargetSdkVersionLockedLPr(int uid) { 11246 Object obj = mSettings.getUserIdLPr(uid); 11247 if (obj instanceof SharedUserSetting) { 11248 final SharedUserSetting sus = (SharedUserSetting) obj; 11249 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11250 final Iterator<PackageSetting> it = sus.packages.iterator(); 11251 while (it.hasNext()) { 11252 final PackageSetting ps = it.next(); 11253 if (ps.pkg != null) { 11254 int v = ps.pkg.applicationInfo.targetSdkVersion; 11255 if (v < vers) vers = v; 11256 } 11257 } 11258 return vers; 11259 } else if (obj instanceof PackageSetting) { 11260 final PackageSetting ps = (PackageSetting) obj; 11261 if (ps.pkg != null) { 11262 return ps.pkg.applicationInfo.targetSdkVersion; 11263 } 11264 } 11265 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11266 } 11267 11268 @Override 11269 public void addPreferredActivity(IntentFilter filter, int match, 11270 ComponentName[] set, ComponentName activity, int userId) { 11271 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11272 } 11273 11274 private void addPreferredActivityInternal(IntentFilter filter, int match, 11275 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11276 // writer 11277 int callingUid = Binder.getCallingUid(); 11278 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11279 if (filter.countActions() == 0) { 11280 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11281 return; 11282 } 11283 synchronized (mPackages) { 11284 if (mContext.checkCallingOrSelfPermission( 11285 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11286 != PackageManager.PERMISSION_GRANTED) { 11287 if (getUidTargetSdkVersionLockedLPr(callingUid) 11288 < Build.VERSION_CODES.FROYO) { 11289 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11290 + callingUid); 11291 return; 11292 } 11293 mContext.enforceCallingOrSelfPermission( 11294 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11295 } 11296 11297 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11298 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11299 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11300 new PreferredActivity(filter, match, set, activity, always)); 11301 mSettings.writePackageRestrictionsLPr(userId); 11302 } 11303 } 11304 11305 @Override 11306 public void replacePreferredActivity(IntentFilter filter, int match, 11307 ComponentName[] set, ComponentName activity) { 11308 if (filter.countActions() != 1) { 11309 throw new IllegalArgumentException( 11310 "replacePreferredActivity expects filter to have only 1 action."); 11311 } 11312 if (filter.countDataAuthorities() != 0 11313 || filter.countDataPaths() != 0 11314 || filter.countDataSchemes() > 1 11315 || filter.countDataTypes() != 0) { 11316 throw new IllegalArgumentException( 11317 "replacePreferredActivity expects filter to have no data authorities, " + 11318 "paths, or types; and at most one scheme."); 11319 } 11320 synchronized (mPackages) { 11321 if (mContext.checkCallingOrSelfPermission( 11322 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11323 != PackageManager.PERMISSION_GRANTED) { 11324 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11325 < Build.VERSION_CODES.FROYO) { 11326 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11327 + Binder.getCallingUid()); 11328 return; 11329 } 11330 mContext.enforceCallingOrSelfPermission( 11331 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11332 } 11333 11334 final int callingUserId = UserHandle.getCallingUserId(); 11335 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11336 if (pir != null) { 11337 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11338 if (filter.countDataSchemes() == 1) { 11339 Uri.Builder builder = new Uri.Builder(); 11340 builder.scheme(filter.getDataScheme(0)); 11341 intent.setData(builder.build()); 11342 } 11343 List<PreferredActivity> matches = pir.queryIntent( 11344 intent, null, true, callingUserId); 11345 if (DEBUG_PREFERRED) { 11346 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11347 } 11348 for (int i = 0; i < matches.size(); i++) { 11349 PreferredActivity pa = matches.get(i); 11350 if (DEBUG_PREFERRED) { 11351 Slog.i(TAG, "Removing preferred activity " 11352 + pa.mPref.mComponent + ":"); 11353 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11354 } 11355 pir.removeFilter(pa); 11356 } 11357 } 11358 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11359 } 11360 } 11361 11362 @Override 11363 public void clearPackagePreferredActivities(String packageName) { 11364 final int uid = Binder.getCallingUid(); 11365 // writer 11366 synchronized (mPackages) { 11367 PackageParser.Package pkg = mPackages.get(packageName); 11368 if (pkg == null || pkg.applicationInfo.uid != uid) { 11369 if (mContext.checkCallingOrSelfPermission( 11370 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11371 != PackageManager.PERMISSION_GRANTED) { 11372 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11373 < Build.VERSION_CODES.FROYO) { 11374 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11375 + Binder.getCallingUid()); 11376 return; 11377 } 11378 mContext.enforceCallingOrSelfPermission( 11379 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11380 } 11381 } 11382 11383 int user = UserHandle.getCallingUserId(); 11384 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11385 mSettings.writePackageRestrictionsLPr(user); 11386 scheduleWriteSettingsLocked(); 11387 } 11388 } 11389 } 11390 11391 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11392 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11393 ArrayList<PreferredActivity> removed = null; 11394 boolean changed = false; 11395 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11396 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11397 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11398 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11399 continue; 11400 } 11401 Iterator<PreferredActivity> it = pir.filterIterator(); 11402 while (it.hasNext()) { 11403 PreferredActivity pa = it.next(); 11404 // Mark entry for removal only if it matches the package name 11405 // and the entry is of type "always". 11406 if (packageName == null || 11407 (pa.mPref.mComponent.getPackageName().equals(packageName) 11408 && pa.mPref.mAlways)) { 11409 if (removed == null) { 11410 removed = new ArrayList<PreferredActivity>(); 11411 } 11412 removed.add(pa); 11413 } 11414 } 11415 if (removed != null) { 11416 for (int j=0; j<removed.size(); j++) { 11417 PreferredActivity pa = removed.get(j); 11418 pir.removeFilter(pa); 11419 } 11420 changed = true; 11421 } 11422 } 11423 return changed; 11424 } 11425 11426 @Override 11427 public void resetPreferredActivities(int userId) { 11428 mContext.enforceCallingOrSelfPermission( 11429 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11430 // writer 11431 synchronized (mPackages) { 11432 int user = UserHandle.getCallingUserId(); 11433 clearPackagePreferredActivitiesLPw(null, user); 11434 mSettings.readDefaultPreferredAppsLPw(this, user); 11435 mSettings.writePackageRestrictionsLPr(user); 11436 scheduleWriteSettingsLocked(); 11437 } 11438 } 11439 11440 @Override 11441 public int getPreferredActivities(List<IntentFilter> outFilters, 11442 List<ComponentName> outActivities, String packageName) { 11443 11444 int num = 0; 11445 final int userId = UserHandle.getCallingUserId(); 11446 // reader 11447 synchronized (mPackages) { 11448 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11449 if (pir != null) { 11450 final Iterator<PreferredActivity> it = pir.filterIterator(); 11451 while (it.hasNext()) { 11452 final PreferredActivity pa = it.next(); 11453 if (packageName == null 11454 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11455 && pa.mPref.mAlways)) { 11456 if (outFilters != null) { 11457 outFilters.add(new IntentFilter(pa)); 11458 } 11459 if (outActivities != null) { 11460 outActivities.add(pa.mPref.mComponent); 11461 } 11462 } 11463 } 11464 } 11465 } 11466 11467 return num; 11468 } 11469 11470 @Override 11471 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11472 int userId) { 11473 int callingUid = Binder.getCallingUid(); 11474 if (callingUid != Process.SYSTEM_UID) { 11475 throw new SecurityException( 11476 "addPersistentPreferredActivity can only be run by the system"); 11477 } 11478 if (filter.countActions() == 0) { 11479 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11480 return; 11481 } 11482 synchronized (mPackages) { 11483 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11484 " :"); 11485 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11486 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11487 new PersistentPreferredActivity(filter, activity)); 11488 mSettings.writePackageRestrictionsLPr(userId); 11489 } 11490 } 11491 11492 @Override 11493 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11494 int callingUid = Binder.getCallingUid(); 11495 if (callingUid != Process.SYSTEM_UID) { 11496 throw new SecurityException( 11497 "clearPackagePersistentPreferredActivities can only be run by the system"); 11498 } 11499 ArrayList<PersistentPreferredActivity> removed = null; 11500 boolean changed = false; 11501 synchronized (mPackages) { 11502 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11503 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11504 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11505 .valueAt(i); 11506 if (userId != thisUserId) { 11507 continue; 11508 } 11509 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11510 while (it.hasNext()) { 11511 PersistentPreferredActivity ppa = it.next(); 11512 // Mark entry for removal only if it matches the package name. 11513 if (ppa.mComponent.getPackageName().equals(packageName)) { 11514 if (removed == null) { 11515 removed = new ArrayList<PersistentPreferredActivity>(); 11516 } 11517 removed.add(ppa); 11518 } 11519 } 11520 if (removed != null) { 11521 for (int j=0; j<removed.size(); j++) { 11522 PersistentPreferredActivity ppa = removed.get(j); 11523 ppir.removeFilter(ppa); 11524 } 11525 changed = true; 11526 } 11527 } 11528 11529 if (changed) { 11530 mSettings.writePackageRestrictionsLPr(userId); 11531 } 11532 } 11533 } 11534 11535 @Override 11536 public void addCrossProfileIntentFilter(IntentFilter filter, boolean removable, 11537 int sourceUserId, int targetUserId) { 11538 mContext.enforceCallingOrSelfPermission( 11539 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11540 if (filter.countActions() == 0) { 11541 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11542 return; 11543 } 11544 synchronized (mPackages) { 11545 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter( 11546 new CrossProfileIntentFilter(filter, removable, targetUserId)); 11547 mSettings.writePackageRestrictionsLPr(sourceUserId); 11548 } 11549 } 11550 11551 @Override 11552 public void clearCrossProfileIntentFilters(int sourceUserId) { 11553 mContext.enforceCallingOrSelfPermission( 11554 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11555 synchronized (mPackages) { 11556 CrossProfileIntentResolver cpir = 11557 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11558 HashSet<CrossProfileIntentFilter> set = 11559 new HashSet<CrossProfileIntentFilter>(cpir.filterSet()); 11560 for (CrossProfileIntentFilter cpif : set) { 11561 if (cpif.isRemovable()) cpir.removeFilter(cpif); 11562 } 11563 mSettings.writePackageRestrictionsLPr(sourceUserId); 11564 } 11565 } 11566 11567 @Override 11568 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11569 Intent intent = new Intent(Intent.ACTION_MAIN); 11570 intent.addCategory(Intent.CATEGORY_HOME); 11571 11572 final int callingUserId = UserHandle.getCallingUserId(); 11573 List<ResolveInfo> list = queryIntentActivities(intent, null, 11574 PackageManager.GET_META_DATA, callingUserId); 11575 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11576 true, false, false, callingUserId); 11577 11578 allHomeCandidates.clear(); 11579 if (list != null) { 11580 for (ResolveInfo ri : list) { 11581 allHomeCandidates.add(ri); 11582 } 11583 } 11584 return (preferred == null || preferred.activityInfo == null) 11585 ? null 11586 : new ComponentName(preferred.activityInfo.packageName, 11587 preferred.activityInfo.name); 11588 } 11589 11590 @Override 11591 public void setApplicationEnabledSetting(String appPackageName, 11592 int newState, int flags, int userId, String callingPackage) { 11593 if (!sUserManager.exists(userId)) return; 11594 if (callingPackage == null) { 11595 callingPackage = Integer.toString(Binder.getCallingUid()); 11596 } 11597 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11598 } 11599 11600 @Override 11601 public void setComponentEnabledSetting(ComponentName componentName, 11602 int newState, int flags, int userId) { 11603 if (!sUserManager.exists(userId)) return; 11604 setEnabledSetting(componentName.getPackageName(), 11605 componentName.getClassName(), newState, flags, userId, null); 11606 } 11607 11608 private void setEnabledSetting(final String packageName, String className, int newState, 11609 final int flags, int userId, String callingPackage) { 11610 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11611 || newState == COMPONENT_ENABLED_STATE_ENABLED 11612 || newState == COMPONENT_ENABLED_STATE_DISABLED 11613 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11614 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11615 throw new IllegalArgumentException("Invalid new component state: " 11616 + newState); 11617 } 11618 PackageSetting pkgSetting; 11619 final int uid = Binder.getCallingUid(); 11620 final int permission = mContext.checkCallingOrSelfPermission( 11621 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11622 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11623 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11624 boolean sendNow = false; 11625 boolean isApp = (className == null); 11626 String componentName = isApp ? packageName : className; 11627 int packageUid = -1; 11628 ArrayList<String> components; 11629 11630 // writer 11631 synchronized (mPackages) { 11632 pkgSetting = mSettings.mPackages.get(packageName); 11633 if (pkgSetting == null) { 11634 if (className == null) { 11635 throw new IllegalArgumentException( 11636 "Unknown package: " + packageName); 11637 } 11638 throw new IllegalArgumentException( 11639 "Unknown component: " + packageName 11640 + "/" + className); 11641 } 11642 // Allow root and verify that userId is not being specified by a different user 11643 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11644 throw new SecurityException( 11645 "Permission Denial: attempt to change component state from pid=" 11646 + Binder.getCallingPid() 11647 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11648 } 11649 if (className == null) { 11650 // We're dealing with an application/package level state change 11651 if (pkgSetting.getEnabled(userId) == newState) { 11652 // Nothing to do 11653 return; 11654 } 11655 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11656 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11657 // Don't care about who enables an app. 11658 callingPackage = null; 11659 } 11660 pkgSetting.setEnabled(newState, userId, callingPackage); 11661 // pkgSetting.pkg.mSetEnabled = newState; 11662 } else { 11663 // We're dealing with a component level state change 11664 // First, verify that this is a valid class name. 11665 PackageParser.Package pkg = pkgSetting.pkg; 11666 if (pkg == null || !pkg.hasComponentClassName(className)) { 11667 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11668 throw new IllegalArgumentException("Component class " + className 11669 + " does not exist in " + packageName); 11670 } else { 11671 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11672 + className + " does not exist in " + packageName); 11673 } 11674 } 11675 switch (newState) { 11676 case COMPONENT_ENABLED_STATE_ENABLED: 11677 if (!pkgSetting.enableComponentLPw(className, userId)) { 11678 return; 11679 } 11680 break; 11681 case COMPONENT_ENABLED_STATE_DISABLED: 11682 if (!pkgSetting.disableComponentLPw(className, userId)) { 11683 return; 11684 } 11685 break; 11686 case COMPONENT_ENABLED_STATE_DEFAULT: 11687 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11688 return; 11689 } 11690 break; 11691 default: 11692 Slog.e(TAG, "Invalid new component state: " + newState); 11693 return; 11694 } 11695 } 11696 mSettings.writePackageRestrictionsLPr(userId); 11697 components = mPendingBroadcasts.get(userId, packageName); 11698 final boolean newPackage = components == null; 11699 if (newPackage) { 11700 components = new ArrayList<String>(); 11701 } 11702 if (!components.contains(componentName)) { 11703 components.add(componentName); 11704 } 11705 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11706 sendNow = true; 11707 // Purge entry from pending broadcast list if another one exists already 11708 // since we are sending one right away. 11709 mPendingBroadcasts.remove(userId, packageName); 11710 } else { 11711 if (newPackage) { 11712 mPendingBroadcasts.put(userId, packageName, components); 11713 } 11714 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11715 // Schedule a message 11716 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11717 } 11718 } 11719 } 11720 11721 long callingId = Binder.clearCallingIdentity(); 11722 try { 11723 if (sendNow) { 11724 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11725 sendPackageChangedBroadcast(packageName, 11726 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11727 } 11728 } finally { 11729 Binder.restoreCallingIdentity(callingId); 11730 } 11731 } 11732 11733 private void sendPackageChangedBroadcast(String packageName, 11734 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11735 if (DEBUG_INSTALL) 11736 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11737 + componentNames); 11738 Bundle extras = new Bundle(4); 11739 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11740 String nameList[] = new String[componentNames.size()]; 11741 componentNames.toArray(nameList); 11742 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11743 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11744 extras.putInt(Intent.EXTRA_UID, packageUid); 11745 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11746 new int[] {UserHandle.getUserId(packageUid)}); 11747 } 11748 11749 @Override 11750 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11751 if (!sUserManager.exists(userId)) return; 11752 final int uid = Binder.getCallingUid(); 11753 final int permission = mContext.checkCallingOrSelfPermission( 11754 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11755 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11756 enforceCrossUserPermission(uid, userId, true, "stop package"); 11757 // writer 11758 synchronized (mPackages) { 11759 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11760 uid, userId)) { 11761 scheduleWritePackageRestrictionsLocked(userId); 11762 } 11763 } 11764 } 11765 11766 @Override 11767 public String getInstallerPackageName(String packageName) { 11768 // reader 11769 synchronized (mPackages) { 11770 return mSettings.getInstallerPackageNameLPr(packageName); 11771 } 11772 } 11773 11774 @Override 11775 public int getApplicationEnabledSetting(String packageName, int userId) { 11776 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11777 int uid = Binder.getCallingUid(); 11778 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11779 // reader 11780 synchronized (mPackages) { 11781 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11782 } 11783 } 11784 11785 @Override 11786 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11787 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11788 int uid = Binder.getCallingUid(); 11789 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11790 // reader 11791 synchronized (mPackages) { 11792 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11793 } 11794 } 11795 11796 @Override 11797 public void enterSafeMode() { 11798 enforceSystemOrRoot("Only the system can request entering safe mode"); 11799 11800 if (!mSystemReady) { 11801 mSafeMode = true; 11802 } 11803 } 11804 11805 @Override 11806 public void systemReady() { 11807 mSystemReady = true; 11808 11809 // Read the compatibilty setting when the system is ready. 11810 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11811 mContext.getContentResolver(), 11812 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11813 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11814 if (DEBUG_SETTINGS) { 11815 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11816 } 11817 11818 synchronized (mPackages) { 11819 // Verify that all of the preferred activity components actually 11820 // exist. It is possible for applications to be updated and at 11821 // that point remove a previously declared activity component that 11822 // had been set as a preferred activity. We try to clean this up 11823 // the next time we encounter that preferred activity, but it is 11824 // possible for the user flow to never be able to return to that 11825 // situation so here we do a sanity check to make sure we haven't 11826 // left any junk around. 11827 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11828 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11829 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11830 removed.clear(); 11831 for (PreferredActivity pa : pir.filterSet()) { 11832 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11833 removed.add(pa); 11834 } 11835 } 11836 if (removed.size() > 0) { 11837 for (int r=0; r<removed.size(); r++) { 11838 PreferredActivity pa = removed.get(r); 11839 Slog.w(TAG, "Removing dangling preferred activity: " 11840 + pa.mPref.mComponent); 11841 pir.removeFilter(pa); 11842 } 11843 mSettings.writePackageRestrictionsLPr( 11844 mSettings.mPreferredActivities.keyAt(i)); 11845 } 11846 } 11847 } 11848 sUserManager.systemReady(); 11849 } 11850 11851 @Override 11852 public boolean isSafeMode() { 11853 return mSafeMode; 11854 } 11855 11856 @Override 11857 public boolean hasSystemUidErrors() { 11858 return mHasSystemUidErrors; 11859 } 11860 11861 static String arrayToString(int[] array) { 11862 StringBuffer buf = new StringBuffer(128); 11863 buf.append('['); 11864 if (array != null) { 11865 for (int i=0; i<array.length; i++) { 11866 if (i > 0) buf.append(", "); 11867 buf.append(array[i]); 11868 } 11869 } 11870 buf.append(']'); 11871 return buf.toString(); 11872 } 11873 11874 static class DumpState { 11875 public static final int DUMP_LIBS = 1 << 0; 11876 11877 public static final int DUMP_FEATURES = 1 << 1; 11878 11879 public static final int DUMP_RESOLVERS = 1 << 2; 11880 11881 public static final int DUMP_PERMISSIONS = 1 << 3; 11882 11883 public static final int DUMP_PACKAGES = 1 << 4; 11884 11885 public static final int DUMP_SHARED_USERS = 1 << 5; 11886 11887 public static final int DUMP_MESSAGES = 1 << 6; 11888 11889 public static final int DUMP_PROVIDERS = 1 << 7; 11890 11891 public static final int DUMP_VERIFIERS = 1 << 8; 11892 11893 public static final int DUMP_PREFERRED = 1 << 9; 11894 11895 public static final int DUMP_PREFERRED_XML = 1 << 10; 11896 11897 public static final int DUMP_KEYSETS = 1 << 11; 11898 11899 public static final int DUMP_VERSION = 1 << 12; 11900 11901 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11902 11903 private int mTypes; 11904 11905 private int mOptions; 11906 11907 private boolean mTitlePrinted; 11908 11909 private SharedUserSetting mSharedUser; 11910 11911 public boolean isDumping(int type) { 11912 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11913 return true; 11914 } 11915 11916 return (mTypes & type) != 0; 11917 } 11918 11919 public void setDump(int type) { 11920 mTypes |= type; 11921 } 11922 11923 public boolean isOptionEnabled(int option) { 11924 return (mOptions & option) != 0; 11925 } 11926 11927 public void setOptionEnabled(int option) { 11928 mOptions |= option; 11929 } 11930 11931 public boolean onTitlePrinted() { 11932 final boolean printed = mTitlePrinted; 11933 mTitlePrinted = true; 11934 return printed; 11935 } 11936 11937 public boolean getTitlePrinted() { 11938 return mTitlePrinted; 11939 } 11940 11941 public void setTitlePrinted(boolean enabled) { 11942 mTitlePrinted = enabled; 11943 } 11944 11945 public SharedUserSetting getSharedUser() { 11946 return mSharedUser; 11947 } 11948 11949 public void setSharedUser(SharedUserSetting user) { 11950 mSharedUser = user; 11951 } 11952 } 11953 11954 @Override 11955 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11956 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11957 != PackageManager.PERMISSION_GRANTED) { 11958 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11959 + Binder.getCallingPid() 11960 + ", uid=" + Binder.getCallingUid() 11961 + " without permission " 11962 + android.Manifest.permission.DUMP); 11963 return; 11964 } 11965 11966 DumpState dumpState = new DumpState(); 11967 boolean fullPreferred = false; 11968 boolean checkin = false; 11969 11970 String packageName = null; 11971 11972 int opti = 0; 11973 while (opti < args.length) { 11974 String opt = args[opti]; 11975 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11976 break; 11977 } 11978 opti++; 11979 if ("-a".equals(opt)) { 11980 // Right now we only know how to print all. 11981 } else if ("-h".equals(opt)) { 11982 pw.println("Package manager dump options:"); 11983 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11984 pw.println(" --checkin: dump for a checkin"); 11985 pw.println(" -f: print details of intent filters"); 11986 pw.println(" -h: print this help"); 11987 pw.println(" cmd may be one of:"); 11988 pw.println(" l[ibraries]: list known shared libraries"); 11989 pw.println(" f[ibraries]: list device features"); 11990 pw.println(" k[eysets]: print known keysets"); 11991 pw.println(" r[esolvers]: dump intent resolvers"); 11992 pw.println(" perm[issions]: dump permissions"); 11993 pw.println(" pref[erred]: print preferred package settings"); 11994 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11995 pw.println(" prov[iders]: dump content providers"); 11996 pw.println(" p[ackages]: dump installed packages"); 11997 pw.println(" s[hared-users]: dump shared user IDs"); 11998 pw.println(" m[essages]: print collected runtime messages"); 11999 pw.println(" v[erifiers]: print package verifier info"); 12000 pw.println(" version: print database version info"); 12001 pw.println(" write: write current settings now"); 12002 pw.println(" <package.name>: info about given package"); 12003 return; 12004 } else if ("--checkin".equals(opt)) { 12005 checkin = true; 12006 } else if ("-f".equals(opt)) { 12007 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12008 } else { 12009 pw.println("Unknown argument: " + opt + "; use -h for help"); 12010 } 12011 } 12012 12013 // Is the caller requesting to dump a particular piece of data? 12014 if (opti < args.length) { 12015 String cmd = args[opti]; 12016 opti++; 12017 // Is this a package name? 12018 if ("android".equals(cmd) || cmd.contains(".")) { 12019 packageName = cmd; 12020 // When dumping a single package, we always dump all of its 12021 // filter information since the amount of data will be reasonable. 12022 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12023 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12024 dumpState.setDump(DumpState.DUMP_LIBS); 12025 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12026 dumpState.setDump(DumpState.DUMP_FEATURES); 12027 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12028 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12029 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12030 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12031 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12032 dumpState.setDump(DumpState.DUMP_PREFERRED); 12033 } else if ("preferred-xml".equals(cmd)) { 12034 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12035 if (opti < args.length && "--full".equals(args[opti])) { 12036 fullPreferred = true; 12037 opti++; 12038 } 12039 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12040 dumpState.setDump(DumpState.DUMP_PACKAGES); 12041 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12042 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12043 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12044 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12045 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12046 dumpState.setDump(DumpState.DUMP_MESSAGES); 12047 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12048 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12049 } else if ("version".equals(cmd)) { 12050 dumpState.setDump(DumpState.DUMP_VERSION); 12051 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12052 dumpState.setDump(DumpState.DUMP_KEYSETS); 12053 } else if ("write".equals(cmd)) { 12054 synchronized (mPackages) { 12055 mSettings.writeLPr(); 12056 pw.println("Settings written."); 12057 return; 12058 } 12059 } 12060 } 12061 12062 if (checkin) { 12063 pw.println("vers,1"); 12064 } 12065 12066 // reader 12067 synchronized (mPackages) { 12068 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12069 if (!checkin) { 12070 if (dumpState.onTitlePrinted()) 12071 pw.println(); 12072 pw.println("Database versions:"); 12073 pw.print(" SDK Version:"); 12074 pw.print(" internal="); 12075 pw.print(mSettings.mInternalSdkPlatform); 12076 pw.print(" external="); 12077 pw.println(mSettings.mExternalSdkPlatform); 12078 pw.print(" DB Version:"); 12079 pw.print(" internal="); 12080 pw.print(mSettings.mInternalDatabaseVersion); 12081 pw.print(" external="); 12082 pw.println(mSettings.mExternalDatabaseVersion); 12083 } 12084 } 12085 12086 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12087 if (!checkin) { 12088 if (dumpState.onTitlePrinted()) 12089 pw.println(); 12090 pw.println("Verifiers:"); 12091 pw.print(" Required: "); 12092 pw.print(mRequiredVerifierPackage); 12093 pw.print(" (uid="); 12094 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12095 pw.println(")"); 12096 } else if (mRequiredVerifierPackage != null) { 12097 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12098 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12099 } 12100 } 12101 12102 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12103 boolean printedHeader = false; 12104 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12105 while (it.hasNext()) { 12106 String name = it.next(); 12107 SharedLibraryEntry ent = mSharedLibraries.get(name); 12108 if (!checkin) { 12109 if (!printedHeader) { 12110 if (dumpState.onTitlePrinted()) 12111 pw.println(); 12112 pw.println("Libraries:"); 12113 printedHeader = true; 12114 } 12115 pw.print(" "); 12116 } else { 12117 pw.print("lib,"); 12118 } 12119 pw.print(name); 12120 if (!checkin) { 12121 pw.print(" -> "); 12122 } 12123 if (ent.path != null) { 12124 if (!checkin) { 12125 pw.print("(jar) "); 12126 pw.print(ent.path); 12127 } else { 12128 pw.print(",jar,"); 12129 pw.print(ent.path); 12130 } 12131 } else { 12132 if (!checkin) { 12133 pw.print("(apk) "); 12134 pw.print(ent.apk); 12135 } else { 12136 pw.print(",apk,"); 12137 pw.print(ent.apk); 12138 } 12139 } 12140 pw.println(); 12141 } 12142 } 12143 12144 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12145 if (dumpState.onTitlePrinted()) 12146 pw.println(); 12147 if (!checkin) { 12148 pw.println("Features:"); 12149 } 12150 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12151 while (it.hasNext()) { 12152 String name = it.next(); 12153 if (!checkin) { 12154 pw.print(" "); 12155 } else { 12156 pw.print("feat,"); 12157 } 12158 pw.println(name); 12159 } 12160 } 12161 12162 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12163 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12164 : "Activity Resolver Table:", " ", packageName, 12165 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12166 dumpState.setTitlePrinted(true); 12167 } 12168 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12169 : "Receiver Resolver Table:", " ", packageName, 12170 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12171 dumpState.setTitlePrinted(true); 12172 } 12173 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12174 : "Service Resolver Table:", " ", packageName, 12175 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12176 dumpState.setTitlePrinted(true); 12177 } 12178 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12179 : "Provider Resolver Table:", " ", packageName, 12180 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12181 dumpState.setTitlePrinted(true); 12182 } 12183 } 12184 12185 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12186 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12187 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12188 int user = mSettings.mPreferredActivities.keyAt(i); 12189 if (pir.dump(pw, 12190 dumpState.getTitlePrinted() 12191 ? "\nPreferred Activities User " + user + ":" 12192 : "Preferred Activities User " + user + ":", " ", 12193 packageName, true)) { 12194 dumpState.setTitlePrinted(true); 12195 } 12196 } 12197 } 12198 12199 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12200 pw.flush(); 12201 FileOutputStream fout = new FileOutputStream(fd); 12202 BufferedOutputStream str = new BufferedOutputStream(fout); 12203 XmlSerializer serializer = new FastXmlSerializer(); 12204 try { 12205 serializer.setOutput(str, "utf-8"); 12206 serializer.startDocument(null, true); 12207 serializer.setFeature( 12208 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12209 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12210 serializer.endDocument(); 12211 serializer.flush(); 12212 } catch (IllegalArgumentException e) { 12213 pw.println("Failed writing: " + e); 12214 } catch (IllegalStateException e) { 12215 pw.println("Failed writing: " + e); 12216 } catch (IOException e) { 12217 pw.println("Failed writing: " + e); 12218 } 12219 } 12220 12221 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12222 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12223 } 12224 12225 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12226 boolean printedSomething = false; 12227 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12228 if (packageName != null && !packageName.equals(p.info.packageName)) { 12229 continue; 12230 } 12231 if (!printedSomething) { 12232 if (dumpState.onTitlePrinted()) 12233 pw.println(); 12234 pw.println("Registered ContentProviders:"); 12235 printedSomething = true; 12236 } 12237 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12238 pw.print(" "); pw.println(p.toString()); 12239 } 12240 printedSomething = false; 12241 for (Map.Entry<String, PackageParser.Provider> entry : 12242 mProvidersByAuthority.entrySet()) { 12243 PackageParser.Provider p = entry.getValue(); 12244 if (packageName != null && !packageName.equals(p.info.packageName)) { 12245 continue; 12246 } 12247 if (!printedSomething) { 12248 if (dumpState.onTitlePrinted()) 12249 pw.println(); 12250 pw.println("ContentProvider Authorities:"); 12251 printedSomething = true; 12252 } 12253 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12254 pw.print(" "); pw.println(p.toString()); 12255 if (p.info != null && p.info.applicationInfo != null) { 12256 final String appInfo = p.info.applicationInfo.toString(); 12257 pw.print(" applicationInfo="); pw.println(appInfo); 12258 } 12259 } 12260 } 12261 12262 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12263 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12264 } 12265 12266 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12267 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12268 } 12269 12270 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12271 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12272 } 12273 12274 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12275 if (dumpState.onTitlePrinted()) 12276 pw.println(); 12277 mSettings.dumpReadMessagesLPr(pw, dumpState); 12278 12279 pw.println(); 12280 pw.println("Package warning messages:"); 12281 final File fname = getSettingsProblemFile(); 12282 FileInputStream in = null; 12283 try { 12284 in = new FileInputStream(fname); 12285 final int avail = in.available(); 12286 final byte[] data = new byte[avail]; 12287 in.read(data); 12288 pw.print(new String(data)); 12289 } catch (FileNotFoundException e) { 12290 } catch (IOException e) { 12291 } finally { 12292 if (in != null) { 12293 try { 12294 in.close(); 12295 } catch (IOException e) { 12296 } 12297 } 12298 } 12299 } 12300 } 12301 } 12302 12303 // ------- apps on sdcard specific code ------- 12304 static final boolean DEBUG_SD_INSTALL = false; 12305 12306 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12307 12308 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12309 12310 private boolean mMediaMounted = false; 12311 12312 private String getEncryptKey() { 12313 try { 12314 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12315 SD_ENCRYPTION_KEYSTORE_NAME); 12316 if (sdEncKey == null) { 12317 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12318 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12319 if (sdEncKey == null) { 12320 Slog.e(TAG, "Failed to create encryption keys"); 12321 return null; 12322 } 12323 } 12324 return sdEncKey; 12325 } catch (NoSuchAlgorithmException nsae) { 12326 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12327 return null; 12328 } catch (IOException ioe) { 12329 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12330 return null; 12331 } 12332 12333 } 12334 12335 /* package */static String getTempContainerId() { 12336 int tmpIdx = 1; 12337 String list[] = PackageHelper.getSecureContainerList(); 12338 if (list != null) { 12339 for (final String name : list) { 12340 // Ignore null and non-temporary container entries 12341 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12342 continue; 12343 } 12344 12345 String subStr = name.substring(mTempContainerPrefix.length()); 12346 try { 12347 int cid = Integer.parseInt(subStr); 12348 if (cid >= tmpIdx) { 12349 tmpIdx = cid + 1; 12350 } 12351 } catch (NumberFormatException e) { 12352 } 12353 } 12354 } 12355 return mTempContainerPrefix + tmpIdx; 12356 } 12357 12358 /* 12359 * Update media status on PackageManager. 12360 */ 12361 @Override 12362 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12363 int callingUid = Binder.getCallingUid(); 12364 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12365 throw new SecurityException("Media status can only be updated by the system"); 12366 } 12367 // reader; this apparently protects mMediaMounted, but should probably 12368 // be a different lock in that case. 12369 synchronized (mPackages) { 12370 Log.i(TAG, "Updating external media status from " 12371 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12372 + (mediaStatus ? "mounted" : "unmounted")); 12373 if (DEBUG_SD_INSTALL) 12374 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12375 + ", mMediaMounted=" + mMediaMounted); 12376 if (mediaStatus == mMediaMounted) { 12377 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12378 : 0, -1); 12379 mHandler.sendMessage(msg); 12380 return; 12381 } 12382 mMediaMounted = mediaStatus; 12383 } 12384 // Queue up an async operation since the package installation may take a 12385 // little while. 12386 mHandler.post(new Runnable() { 12387 public void run() { 12388 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12389 } 12390 }); 12391 } 12392 12393 /** 12394 * Called by MountService when the initial ASECs to scan are available. 12395 * Should block until all the ASEC containers are finished being scanned. 12396 */ 12397 public void scanAvailableAsecs() { 12398 updateExternalMediaStatusInner(true, false, false); 12399 if (mShouldRestoreconData) { 12400 SELinuxMMAC.setRestoreconDone(); 12401 mShouldRestoreconData = false; 12402 } 12403 } 12404 12405 /* 12406 * Collect information of applications on external media, map them against 12407 * existing containers and update information based on current mount status. 12408 * Please note that we always have to report status if reportStatus has been 12409 * set to true especially when unloading packages. 12410 */ 12411 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12412 boolean externalStorage) { 12413 // Collection of uids 12414 int uidArr[] = null; 12415 // Collection of stale containers 12416 HashSet<String> removeCids = new HashSet<String>(); 12417 // Collection of packages on external media with valid containers. 12418 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12419 // Get list of secure containers. 12420 final String list[] = PackageHelper.getSecureContainerList(); 12421 if (list == null || list.length == 0) { 12422 Log.i(TAG, "No secure containers on sdcard"); 12423 } else { 12424 // Process list of secure containers and categorize them 12425 // as active or stale based on their package internal state. 12426 int uidList[] = new int[list.length]; 12427 int num = 0; 12428 // reader 12429 synchronized (mPackages) { 12430 for (String cid : list) { 12431 if (DEBUG_SD_INSTALL) 12432 Log.i(TAG, "Processing container " + cid); 12433 String pkgName = getAsecPackageName(cid); 12434 if (pkgName == null) { 12435 if (DEBUG_SD_INSTALL) 12436 Log.i(TAG, "Container : " + cid + " stale"); 12437 removeCids.add(cid); 12438 continue; 12439 } 12440 if (DEBUG_SD_INSTALL) 12441 Log.i(TAG, "Looking for pkg : " + pkgName); 12442 12443 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12444 if (ps == null) { 12445 Log.i(TAG, "Deleting container with no matching settings " + cid); 12446 removeCids.add(cid); 12447 continue; 12448 } 12449 12450 /* 12451 * Skip packages that are not external if we're unmounting 12452 * external storage. 12453 */ 12454 if (externalStorage && !isMounted && !isExternal(ps)) { 12455 continue; 12456 } 12457 12458 final AsecInstallArgs args = new AsecInstallArgs(cid, 12459 getAppInstructionSetFromSettings(ps), 12460 isForwardLocked(ps)); 12461 // The package status is changed only if the code path 12462 // matches between settings and the container id. 12463 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12464 if (DEBUG_SD_INSTALL) { 12465 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12466 + " at code path: " + ps.codePathString); 12467 } 12468 12469 // We do have a valid package installed on sdcard 12470 processCids.put(args, ps.codePathString); 12471 final int uid = ps.appId; 12472 if (uid != -1) { 12473 uidList[num++] = uid; 12474 } 12475 } else { 12476 Log.i(TAG, "Deleting stale container for " + cid); 12477 removeCids.add(cid); 12478 } 12479 } 12480 } 12481 12482 if (num > 0) { 12483 // Sort uid list 12484 Arrays.sort(uidList, 0, num); 12485 // Throw away duplicates 12486 uidArr = new int[num]; 12487 uidArr[0] = uidList[0]; 12488 int di = 0; 12489 for (int i = 1; i < num; i++) { 12490 if (uidList[i - 1] != uidList[i]) { 12491 uidArr[di++] = uidList[i]; 12492 } 12493 } 12494 } 12495 } 12496 // Process packages with valid entries. 12497 if (isMounted) { 12498 if (DEBUG_SD_INSTALL) 12499 Log.i(TAG, "Loading packages"); 12500 loadMediaPackages(processCids, uidArr, removeCids); 12501 startCleaningPackages(); 12502 } else { 12503 if (DEBUG_SD_INSTALL) 12504 Log.i(TAG, "Unloading packages"); 12505 unloadMediaPackages(processCids, uidArr, reportStatus); 12506 } 12507 } 12508 12509 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12510 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12511 int size = pkgList.size(); 12512 if (size > 0) { 12513 // Send broadcasts here 12514 Bundle extras = new Bundle(); 12515 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12516 .toArray(new String[size])); 12517 if (uidArr != null) { 12518 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12519 } 12520 if (replacing) { 12521 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12522 } 12523 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12524 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12525 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12526 } 12527 } 12528 12529 /* 12530 * Look at potentially valid container ids from processCids If package 12531 * information doesn't match the one on record or package scanning fails, 12532 * the cid is added to list of removeCids. We currently don't delete stale 12533 * containers. 12534 */ 12535 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12536 HashSet<String> removeCids) { 12537 ArrayList<String> pkgList = new ArrayList<String>(); 12538 Set<AsecInstallArgs> keys = processCids.keySet(); 12539 boolean doGc = false; 12540 for (AsecInstallArgs args : keys) { 12541 String codePath = processCids.get(args); 12542 if (DEBUG_SD_INSTALL) 12543 Log.i(TAG, "Loading container : " + args.cid); 12544 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12545 try { 12546 // Make sure there are no container errors first. 12547 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12548 Slog.e(TAG, "Failed to mount cid : " + args.cid 12549 + " when installing from sdcard"); 12550 continue; 12551 } 12552 // Check code path here. 12553 if (codePath == null || !codePath.equals(args.getCodePath())) { 12554 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12555 + " does not match one in settings " + codePath); 12556 continue; 12557 } 12558 // Parse package 12559 int parseFlags = mDefParseFlags; 12560 if (args.isExternal()) { 12561 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12562 } 12563 if (args.isFwdLocked()) { 12564 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12565 } 12566 12567 doGc = true; 12568 synchronized (mInstallLock) { 12569 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12570 0, 0, null, null); 12571 // Scan the package 12572 if (pkg != null) { 12573 /* 12574 * TODO why is the lock being held? doPostInstall is 12575 * called in other places without the lock. This needs 12576 * to be straightened out. 12577 */ 12578 // writer 12579 synchronized (mPackages) { 12580 retCode = PackageManager.INSTALL_SUCCEEDED; 12581 pkgList.add(pkg.packageName); 12582 // Post process args 12583 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12584 pkg.applicationInfo.uid); 12585 } 12586 } else { 12587 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12588 } 12589 } 12590 12591 } finally { 12592 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12593 // Don't destroy container here. Wait till gc clears things 12594 // up. 12595 removeCids.add(args.cid); 12596 } 12597 } 12598 } 12599 // writer 12600 synchronized (mPackages) { 12601 // If the platform SDK has changed since the last time we booted, 12602 // we need to re-grant app permission to catch any new ones that 12603 // appear. This is really a hack, and means that apps can in some 12604 // cases get permissions that the user didn't initially explicitly 12605 // allow... it would be nice to have some better way to handle 12606 // this situation. 12607 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12608 if (regrantPermissions) 12609 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12610 + mSdkVersion + "; regranting permissions for external storage"); 12611 mSettings.mExternalSdkPlatform = mSdkVersion; 12612 12613 // Make sure group IDs have been assigned, and any permission 12614 // changes in other apps are accounted for 12615 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12616 | (regrantPermissions 12617 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12618 : 0)); 12619 12620 mSettings.updateExternalDatabaseVersion(); 12621 12622 // can downgrade to reader 12623 // Persist settings 12624 mSettings.writeLPr(); 12625 } 12626 // Send a broadcast to let everyone know we are done processing 12627 if (pkgList.size() > 0) { 12628 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12629 } 12630 // Force gc to avoid any stale parser references that we might have. 12631 if (doGc) { 12632 Runtime.getRuntime().gc(); 12633 } 12634 // List stale containers and destroy stale temporary containers. 12635 if (removeCids != null) { 12636 for (String cid : removeCids) { 12637 if (cid.startsWith(mTempContainerPrefix)) { 12638 Log.i(TAG, "Destroying stale temporary container " + cid); 12639 PackageHelper.destroySdDir(cid); 12640 } else { 12641 Log.w(TAG, "Container " + cid + " is stale"); 12642 } 12643 } 12644 } 12645 } 12646 12647 /* 12648 * Utility method to unload a list of specified containers 12649 */ 12650 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12651 // Just unmount all valid containers. 12652 for (AsecInstallArgs arg : cidArgs) { 12653 synchronized (mInstallLock) { 12654 arg.doPostDeleteLI(false); 12655 } 12656 } 12657 } 12658 12659 /* 12660 * Unload packages mounted on external media. This involves deleting package 12661 * data from internal structures, sending broadcasts about diabled packages, 12662 * gc'ing to free up references, unmounting all secure containers 12663 * corresponding to packages on external media, and posting a 12664 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12665 * that we always have to post this message if status has been requested no 12666 * matter what. 12667 */ 12668 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12669 final boolean reportStatus) { 12670 if (DEBUG_SD_INSTALL) 12671 Log.i(TAG, "unloading media packages"); 12672 ArrayList<String> pkgList = new ArrayList<String>(); 12673 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12674 final Set<AsecInstallArgs> keys = processCids.keySet(); 12675 for (AsecInstallArgs args : keys) { 12676 String pkgName = args.getPackageName(); 12677 if (DEBUG_SD_INSTALL) 12678 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12679 // Delete package internally 12680 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12681 synchronized (mInstallLock) { 12682 boolean res = deletePackageLI(pkgName, null, false, null, null, 12683 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12684 if (res) { 12685 pkgList.add(pkgName); 12686 } else { 12687 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12688 failedList.add(args); 12689 } 12690 } 12691 } 12692 12693 // reader 12694 synchronized (mPackages) { 12695 // We didn't update the settings after removing each package; 12696 // write them now for all packages. 12697 mSettings.writeLPr(); 12698 } 12699 12700 // We have to absolutely send UPDATED_MEDIA_STATUS only 12701 // after confirming that all the receivers processed the ordered 12702 // broadcast when packages get disabled, force a gc to clean things up. 12703 // and unload all the containers. 12704 if (pkgList.size() > 0) { 12705 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12706 new IIntentReceiver.Stub() { 12707 public void performReceive(Intent intent, int resultCode, String data, 12708 Bundle extras, boolean ordered, boolean sticky, 12709 int sendingUser) throws RemoteException { 12710 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12711 reportStatus ? 1 : 0, 1, keys); 12712 mHandler.sendMessage(msg); 12713 } 12714 }); 12715 } else { 12716 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12717 keys); 12718 mHandler.sendMessage(msg); 12719 } 12720 } 12721 12722 /** Binder call */ 12723 @Override 12724 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12725 final int flags) { 12726 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12727 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12728 int returnCode = PackageManager.MOVE_SUCCEEDED; 12729 int currFlags = 0; 12730 int newFlags = 0; 12731 // reader 12732 synchronized (mPackages) { 12733 PackageParser.Package pkg = mPackages.get(packageName); 12734 if (pkg == null) { 12735 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12736 } else { 12737 // Disable moving fwd locked apps and system packages 12738 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12739 Slog.w(TAG, "Cannot move system application"); 12740 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12741 } else if (pkg.mOperationPending) { 12742 Slog.w(TAG, "Attempt to move package which has pending operations"); 12743 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12744 } else { 12745 // Find install location first 12746 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12747 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12748 Slog.w(TAG, "Ambigous flags specified for move location."); 12749 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12750 } else { 12751 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12752 : PackageManager.INSTALL_INTERNAL; 12753 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12754 : PackageManager.INSTALL_INTERNAL; 12755 12756 if (newFlags == currFlags) { 12757 Slog.w(TAG, "No move required. Trying to move to same location"); 12758 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12759 } else { 12760 if (isForwardLocked(pkg)) { 12761 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12762 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12763 } 12764 } 12765 } 12766 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12767 pkg.mOperationPending = true; 12768 } 12769 } 12770 } 12771 12772 /* 12773 * TODO this next block probably shouldn't be inside the lock. We 12774 * can't guarantee these won't change after this is fired off 12775 * anyway. 12776 */ 12777 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12778 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12779 null, -1, user), 12780 returnCode); 12781 } else { 12782 Message msg = mHandler.obtainMessage(INIT_COPY); 12783 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12784 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12785 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12786 instructionSet); 12787 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12788 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12789 msg.obj = mp; 12790 mHandler.sendMessage(msg); 12791 } 12792 } 12793 } 12794 12795 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12796 // Queue up an async operation since the package deletion may take a 12797 // little while. 12798 mHandler.post(new Runnable() { 12799 public void run() { 12800 // TODO fix this; this does nothing. 12801 mHandler.removeCallbacks(this); 12802 int returnCode = currentStatus; 12803 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12804 int uidArr[] = null; 12805 ArrayList<String> pkgList = null; 12806 synchronized (mPackages) { 12807 PackageParser.Package pkg = mPackages.get(mp.packageName); 12808 if (pkg == null) { 12809 Slog.w(TAG, " Package " + mp.packageName 12810 + " doesn't exist. Aborting move"); 12811 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12812 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12813 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12814 + mp.srcArgs.getCodePath() + " to " 12815 + pkg.applicationInfo.sourceDir 12816 + " Aborting move and returning error"); 12817 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12818 } else { 12819 uidArr = new int[] { 12820 pkg.applicationInfo.uid 12821 }; 12822 pkgList = new ArrayList<String>(); 12823 pkgList.add(mp.packageName); 12824 } 12825 } 12826 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12827 // Send resources unavailable broadcast 12828 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12829 // Update package code and resource paths 12830 synchronized (mInstallLock) { 12831 synchronized (mPackages) { 12832 PackageParser.Package pkg = mPackages.get(mp.packageName); 12833 // Recheck for package again. 12834 if (pkg == null) { 12835 Slog.w(TAG, " Package " + mp.packageName 12836 + " doesn't exist. Aborting move"); 12837 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12838 } else if (!mp.srcArgs.getCodePath().equals( 12839 pkg.applicationInfo.sourceDir)) { 12840 Slog.w(TAG, "Package " + mp.packageName 12841 + " code path changed from " + mp.srcArgs.getCodePath() 12842 + " to " + pkg.applicationInfo.sourceDir 12843 + " Aborting move and returning error"); 12844 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12845 } else { 12846 final String oldCodePath = pkg.mPath; 12847 final String newCodePath = mp.targetArgs.getCodePath(); 12848 final String newResPath = mp.targetArgs.getResourcePath(); 12849 final String newNativePath = mp.targetArgs 12850 .getNativeLibraryPath(); 12851 12852 final File newNativeDir = new File(newNativePath); 12853 12854 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12855 // NOTE: We do not report any errors from the APK scan and library 12856 // copy at this point. 12857 NativeLibraryHelper.ApkHandle handle = 12858 new NativeLibraryHelper.ApkHandle(newCodePath); 12859 final int abi = NativeLibraryHelper.findSupportedAbi( 12860 handle, Build.SUPPORTED_ABIS); 12861 if (abi >= 0) { 12862 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12863 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12864 } 12865 handle.close(); 12866 } 12867 final int[] users = sUserManager.getUserIds(); 12868 for (int user : users) { 12869 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12870 newNativePath, user) < 0) { 12871 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12872 } 12873 } 12874 12875 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12876 pkg.mPath = newCodePath; 12877 // Move dex files around 12878 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12879 // Moving of dex files failed. Set 12880 // error code and abort move. 12881 pkg.mPath = pkg.mScanPath; 12882 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12883 } 12884 } 12885 12886 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12887 pkg.mScanPath = newCodePath; 12888 pkg.applicationInfo.sourceDir = newCodePath; 12889 pkg.applicationInfo.publicSourceDir = newResPath; 12890 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12891 PackageSetting ps = (PackageSetting) pkg.mExtras; 12892 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12893 ps.codePathString = ps.codePath.getPath(); 12894 ps.resourcePath = new File( 12895 pkg.applicationInfo.publicSourceDir); 12896 ps.resourcePathString = ps.resourcePath.getPath(); 12897 ps.nativeLibraryPathString = newNativePath; 12898 // Set the application info flag 12899 // correctly. 12900 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12901 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12902 } else { 12903 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12904 } 12905 ps.setFlags(pkg.applicationInfo.flags); 12906 mAppDirs.remove(oldCodePath); 12907 mAppDirs.put(newCodePath, pkg); 12908 // Persist settings 12909 mSettings.writeLPr(); 12910 } 12911 } 12912 } 12913 } 12914 // Send resources available broadcast 12915 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12916 } 12917 } 12918 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12919 // Clean up failed installation 12920 if (mp.targetArgs != null) { 12921 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12922 -1); 12923 } 12924 } else { 12925 // Force a gc to clear things up. 12926 Runtime.getRuntime().gc(); 12927 // Delete older code 12928 synchronized (mInstallLock) { 12929 mp.srcArgs.doPostDeleteLI(true); 12930 } 12931 } 12932 12933 // Allow more operations on this file if we didn't fail because 12934 // an operation was already pending for this package. 12935 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12936 synchronized (mPackages) { 12937 PackageParser.Package pkg = mPackages.get(mp.packageName); 12938 if (pkg != null) { 12939 pkg.mOperationPending = false; 12940 } 12941 } 12942 } 12943 12944 IPackageMoveObserver observer = mp.observer; 12945 if (observer != null) { 12946 try { 12947 observer.packageMoved(mp.packageName, returnCode); 12948 } catch (RemoteException e) { 12949 Log.i(TAG, "Observer no longer exists."); 12950 } 12951 } 12952 } 12953 }); 12954 } 12955 12956 @Override 12957 public boolean setInstallLocation(int loc) { 12958 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12959 null); 12960 if (getInstallLocation() == loc) { 12961 return true; 12962 } 12963 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12964 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12965 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12966 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12967 return true; 12968 } 12969 return false; 12970 } 12971 12972 @Override 12973 public int getInstallLocation() { 12974 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12975 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12976 PackageHelper.APP_INSTALL_AUTO); 12977 } 12978 12979 /** Called by UserManagerService */ 12980 void cleanUpUserLILPw(int userHandle) { 12981 mDirtyUsers.remove(userHandle); 12982 mSettings.removeUserLPr(userHandle); 12983 mPendingBroadcasts.remove(userHandle); 12984 if (mInstaller != null) { 12985 // Technically, we shouldn't be doing this with the package lock 12986 // held. However, this is very rare, and there is already so much 12987 // other disk I/O going on, that we'll let it slide for now. 12988 mInstaller.removeUserDataDirs(userHandle); 12989 } 12990 } 12991 12992 /** Called by UserManagerService */ 12993 void createNewUserLILPw(int userHandle, File path) { 12994 if (mInstaller != null) { 12995 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12996 } 12997 } 12998 12999 @Override 13000 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13001 mContext.enforceCallingOrSelfPermission( 13002 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13003 "Only package verification agents can read the verifier device identity"); 13004 13005 synchronized (mPackages) { 13006 return mSettings.getVerifierDeviceIdentityLPw(); 13007 } 13008 } 13009 13010 @Override 13011 public void setPermissionEnforced(String permission, boolean enforced) { 13012 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13013 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13014 synchronized (mPackages) { 13015 if (mSettings.mReadExternalStorageEnforced == null 13016 || mSettings.mReadExternalStorageEnforced != enforced) { 13017 mSettings.mReadExternalStorageEnforced = enforced; 13018 mSettings.writeLPr(); 13019 } 13020 } 13021 // kill any non-foreground processes so we restart them and 13022 // grant/revoke the GID. 13023 final IActivityManager am = ActivityManagerNative.getDefault(); 13024 if (am != null) { 13025 final long token = Binder.clearCallingIdentity(); 13026 try { 13027 am.killProcessesBelowForeground("setPermissionEnforcement"); 13028 } catch (RemoteException e) { 13029 } finally { 13030 Binder.restoreCallingIdentity(token); 13031 } 13032 } 13033 } else { 13034 throw new IllegalArgumentException("No selective enforcement for " + permission); 13035 } 13036 } 13037 13038 @Override 13039 @Deprecated 13040 public boolean isPermissionEnforced(String permission) { 13041 return true; 13042 } 13043 13044 @Override 13045 public boolean isStorageLow() { 13046 final long token = Binder.clearCallingIdentity(); 13047 try { 13048 final DeviceStorageMonitorInternal 13049 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13050 if (dsm != null) { 13051 return dsm.isMemoryLow(); 13052 } else { 13053 return false; 13054 } 13055 } finally { 13056 Binder.restoreCallingIdentity(token); 13057 } 13058 } 13059 13060 @Override 13061 public IPackageInstaller getPackageInstaller() { 13062 return mInstallerService; 13063 } 13064} 13065