PackageManagerService.java revision 3a44f3f1b446315ef894e01d2ab9b5388c2bd8c4
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.PackageHelper; 44import com.android.internal.util.FastPrintWriter; 45import com.android.internal.util.FastXmlSerializer; 46import com.android.internal.util.XmlUtils; 47import com.android.server.EventLogTags; 48import com.android.server.IntentResolver; 49import com.android.server.LocalServices; 50import com.android.server.ServiceThread; 51import com.android.server.Watchdog; 52import com.android.server.pm.Settings.DatabaseVersion; 53import com.android.server.storage.DeviceStorageMonitorInternal; 54import com.android.server.storage.DeviceStorageMonitorInternal; 55 56import org.xmlpull.v1.XmlPullParser; 57import org.xmlpull.v1.XmlPullParserException; 58import org.xmlpull.v1.XmlSerializer; 59 60import android.app.ActivityManager; 61import android.app.ActivityManagerNative; 62import android.app.IActivityManager; 63import android.app.PackageInstallObserver; 64import android.app.admin.IDevicePolicyManager; 65import android.app.backup.IBackupManager; 66import android.content.BroadcastReceiver; 67import android.content.ComponentName; 68import android.content.Context; 69import android.content.IIntentReceiver; 70import android.content.Intent; 71import android.content.IntentFilter; 72import android.content.IntentSender; 73import android.content.IntentSender.SendIntentException; 74import android.content.ServiceConnection; 75import android.content.pm.ActivityInfo; 76import android.content.pm.ApplicationInfo; 77import android.content.pm.ContainerEncryptionParams; 78import android.content.pm.FeatureInfo; 79import android.content.pm.IPackageDataObserver; 80import android.content.pm.IPackageDeleteObserver; 81import android.content.pm.IPackageInstallObserver; 82import android.content.pm.IPackageInstallObserver2; 83import android.content.pm.IPackageInstaller; 84import android.content.pm.IPackageManager; 85import android.content.pm.IPackageMoveObserver; 86import android.content.pm.IPackageStatsObserver; 87import android.content.pm.InstrumentationInfo; 88import android.content.pm.ManifestDigest; 89import android.content.pm.PackageCleanItem; 90import android.content.pm.PackageInfo; 91import android.content.pm.PackageInfoLite; 92import android.content.pm.PackageInstallerParams; 93import android.content.pm.PackageManager; 94import android.content.pm.PackageParser.ActivityIntentInfo; 95import android.content.pm.PackageParser; 96import android.content.pm.PackageStats; 97import android.content.pm.PackageUserState; 98import android.content.pm.ParceledListSlice; 99import android.content.pm.PermissionGroupInfo; 100import android.content.pm.PermissionInfo; 101import android.content.pm.ProviderInfo; 102import android.content.pm.ResolveInfo; 103import android.content.pm.ServiceInfo; 104import android.content.pm.Signature; 105import android.content.pm.VerificationParams; 106import android.content.pm.VerifierDeviceIdentity; 107import android.content.pm.VerifierInfo; 108import android.content.res.Resources; 109import android.hardware.display.DisplayManager; 110import android.net.Uri; 111import android.os.Binder; 112import android.os.Build; 113import android.os.Bundle; 114import android.os.Environment; 115import android.os.Environment.UserEnvironment; 116import android.os.FileObserver; 117import android.os.FileUtils; 118import android.os.Handler; 119import android.os.IBinder; 120import android.os.Looper; 121import android.os.Message; 122import android.os.Parcel; 123import android.os.ParcelFileDescriptor; 124import android.os.Process; 125import android.os.RemoteException; 126import android.os.SELinux; 127import android.os.ServiceManager; 128import android.os.SystemClock; 129import android.os.SystemProperties; 130import android.os.UserHandle; 131import android.os.UserManager; 132import android.security.KeyStore; 133import android.security.SystemKeyStore; 134import android.system.ErrnoException; 135import android.system.Os; 136import android.system.StructStat; 137import android.text.TextUtils; 138import android.util.AtomicFile; 139import android.util.DisplayMetrics; 140import android.util.EventLog; 141import android.util.Log; 142import android.util.LogPrinter; 143import android.util.PrintStreamPrinter; 144import android.util.Slog; 145import android.util.SparseArray; 146import android.util.Xml; 147import android.view.Display; 148 149import java.io.BufferedInputStream; 150import java.io.BufferedOutputStream; 151import java.io.File; 152import java.io.FileDescriptor; 153import java.io.FileInputStream; 154import java.io.FileNotFoundException; 155import java.io.FileOutputStream; 156import java.io.FileReader; 157import java.io.FilenameFilter; 158import java.io.IOException; 159import java.io.InputStream; 160import java.io.PrintWriter; 161import java.nio.charset.StandardCharsets; 162import java.security.NoSuchAlgorithmException; 163import java.security.PublicKey; 164import java.security.cert.Certificate; 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 adjustCpuAbisForSharedUserLPw(setting.packages, true /* do dexopt */, 1668 false /* force dexopt */, false /* defer dexopt */); 1669 } 1670 1671 // Now that we know all the packages we are keeping, 1672 // read and update their last usage times. 1673 mPackageUsage.readLP(); 1674 1675 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1676 SystemClock.uptimeMillis()); 1677 Slog.i(TAG, "Time to scan packages: " 1678 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1679 + " seconds"); 1680 1681 // If the platform SDK has changed since the last time we booted, 1682 // we need to re-grant app permission to catch any new ones that 1683 // appear. This is really a hack, and means that apps can in some 1684 // cases get permissions that the user didn't initially explicitly 1685 // allow... it would be nice to have some better way to handle 1686 // this situation. 1687 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1688 != mSdkVersion; 1689 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1690 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1691 + "; regranting permissions for internal storage"); 1692 mSettings.mInternalSdkPlatform = mSdkVersion; 1693 1694 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1695 | (regrantPermissions 1696 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1697 : 0)); 1698 1699 // If this is the first boot, and it is a normal boot, then 1700 // we need to initialize the default preferred apps. 1701 if (!mRestoredSettings && !onlyCore) { 1702 mSettings.readDefaultPreferredAppsLPw(this, 0); 1703 } 1704 1705 // All the changes are done during package scanning. 1706 mSettings.updateInternalDatabaseVersion(); 1707 1708 // can downgrade to reader 1709 mSettings.writeLPr(); 1710 1711 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1712 SystemClock.uptimeMillis()); 1713 1714 1715 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1716 } // synchronized (mPackages) 1717 } // synchronized (mInstallLock) 1718 1719 mInstallerService = new PackageInstallerService(context, this, mAppStagingDir); 1720 1721 // Now after opening every single application zip, make sure they 1722 // are all flushed. Not really needed, but keeps things nice and 1723 // tidy. 1724 Runtime.getRuntime().gc(); 1725 } 1726 1727 private static void pruneDexFiles(File cacheDir) { 1728 // If we had to do a dexopt of one of the previous 1729 // things, then something on the system has changed. 1730 // Consider this significant, and wipe away all other 1731 // existing dexopt files to ensure we don't leave any 1732 // dangling around. 1733 // 1734 // Additionally, delete all dex files from the root directory 1735 // since there shouldn't be any there anyway. 1736 // 1737 // Note: This isn't as good an indicator as it used to be. It 1738 // used to include the boot classpath but at some point 1739 // DexFile.isDexOptNeeded started returning false for the boot 1740 // class path files in all cases. It is very possible in a 1741 // small maintenance release update that the library and tool 1742 // jars may be unchanged but APK could be removed resulting in 1743 // unused dalvik-cache files. 1744 File[] files = cacheDir.listFiles(); 1745 if (files != null) { 1746 for (File file : files) { 1747 if (!file.isDirectory()) { 1748 Slog.i(TAG, "Pruning dalvik file: " + file.getAbsolutePath()); 1749 file.delete(); 1750 } else { 1751 File[] subDirList = file.listFiles(); 1752 if (subDirList != null) { 1753 for (File subDirFile : subDirList) { 1754 final String fn = subDirFile.getName(); 1755 if (fn.startsWith("data@app@") || fn.startsWith("data@app-private@")) { 1756 Slog.i(TAG, "Pruning dalvik file: " + fn); 1757 subDirFile.delete(); 1758 } 1759 } 1760 } 1761 } 1762 } 1763 } 1764 } 1765 1766 @Override 1767 public boolean isFirstBoot() { 1768 return !mRestoredSettings || mPackageUsage.isFirstBoot(); 1769 } 1770 1771 @Override 1772 public boolean isOnlyCoreApps() { 1773 return mOnlyCore; 1774 } 1775 1776 private String getRequiredVerifierLPr() { 1777 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1778 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1779 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1780 1781 String requiredVerifier = null; 1782 1783 final int N = receivers.size(); 1784 for (int i = 0; i < N; i++) { 1785 final ResolveInfo info = receivers.get(i); 1786 1787 if (info.activityInfo == null) { 1788 continue; 1789 } 1790 1791 final String packageName = info.activityInfo.packageName; 1792 1793 final PackageSetting ps = mSettings.mPackages.get(packageName); 1794 if (ps == null) { 1795 continue; 1796 } 1797 1798 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1799 if (!gp.grantedPermissions 1800 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1801 continue; 1802 } 1803 1804 if (requiredVerifier != null) { 1805 throw new RuntimeException("There can be only one required verifier"); 1806 } 1807 1808 requiredVerifier = packageName; 1809 } 1810 1811 return requiredVerifier; 1812 } 1813 1814 @Override 1815 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1816 throws RemoteException { 1817 try { 1818 return super.onTransact(code, data, reply, flags); 1819 } catch (RuntimeException e) { 1820 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1821 Slog.wtf(TAG, "Package Manager Crash", e); 1822 } 1823 throw e; 1824 } 1825 } 1826 1827 void cleanupInstallFailedPackage(PackageSetting ps) { 1828 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1829 removeDataDirsLI(ps.name); 1830 if (ps.codePath != null) { 1831 if (!ps.codePath.delete()) { 1832 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1833 } 1834 } 1835 if (ps.resourcePath != null) { 1836 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1837 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1838 } 1839 } 1840 mSettings.removePackageLPw(ps.name); 1841 } 1842 1843 void readPermissions(File libraryDir, boolean onlyFeatures) { 1844 // Read permissions from .../etc/permission directory. 1845 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1846 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1847 return; 1848 } 1849 if (!libraryDir.canRead()) { 1850 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1851 return; 1852 } 1853 1854 // Iterate over the files in the directory and scan .xml files 1855 for (File f : libraryDir.listFiles()) { 1856 // We'll read platform.xml last 1857 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1858 continue; 1859 } 1860 1861 if (!f.getPath().endsWith(".xml")) { 1862 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1863 continue; 1864 } 1865 if (!f.canRead()) { 1866 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1867 continue; 1868 } 1869 1870 readPermissionsFromXml(f, onlyFeatures); 1871 } 1872 1873 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1874 final File permFile = new File(Environment.getRootDirectory(), 1875 "etc/permissions/platform.xml"); 1876 readPermissionsFromXml(permFile, onlyFeatures); 1877 } 1878 1879 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1880 FileReader permReader = null; 1881 try { 1882 permReader = new FileReader(permFile); 1883 } catch (FileNotFoundException e) { 1884 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1885 return; 1886 } 1887 1888 try { 1889 XmlPullParser parser = Xml.newPullParser(); 1890 parser.setInput(permReader); 1891 1892 XmlUtils.beginDocument(parser, "permissions"); 1893 1894 while (true) { 1895 XmlUtils.nextElement(parser); 1896 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1897 break; 1898 } 1899 1900 String name = parser.getName(); 1901 if ("group".equals(name) && !onlyFeatures) { 1902 String gidStr = parser.getAttributeValue(null, "gid"); 1903 if (gidStr != null) { 1904 int gid = Process.getGidForName(gidStr); 1905 mGlobalGids = appendInt(mGlobalGids, gid); 1906 } else { 1907 Slog.w(TAG, "<group> without gid at " 1908 + parser.getPositionDescription()); 1909 } 1910 1911 XmlUtils.skipCurrentTag(parser); 1912 continue; 1913 } else if ("permission".equals(name) && !onlyFeatures) { 1914 String perm = parser.getAttributeValue(null, "name"); 1915 if (perm == null) { 1916 Slog.w(TAG, "<permission> without name at " 1917 + parser.getPositionDescription()); 1918 XmlUtils.skipCurrentTag(parser); 1919 continue; 1920 } 1921 perm = perm.intern(); 1922 readPermission(parser, perm); 1923 1924 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1925 String perm = parser.getAttributeValue(null, "name"); 1926 if (perm == null) { 1927 Slog.w(TAG, "<assign-permission> without name at " 1928 + parser.getPositionDescription()); 1929 XmlUtils.skipCurrentTag(parser); 1930 continue; 1931 } 1932 String uidStr = parser.getAttributeValue(null, "uid"); 1933 if (uidStr == null) { 1934 Slog.w(TAG, "<assign-permission> without uid at " 1935 + parser.getPositionDescription()); 1936 XmlUtils.skipCurrentTag(parser); 1937 continue; 1938 } 1939 int uid = Process.getUidForName(uidStr); 1940 if (uid < 0) { 1941 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1942 + uidStr + "\" at " 1943 + parser.getPositionDescription()); 1944 XmlUtils.skipCurrentTag(parser); 1945 continue; 1946 } 1947 perm = perm.intern(); 1948 HashSet<String> perms = mSystemPermissions.get(uid); 1949 if (perms == null) { 1950 perms = new HashSet<String>(); 1951 mSystemPermissions.put(uid, perms); 1952 } 1953 perms.add(perm); 1954 XmlUtils.skipCurrentTag(parser); 1955 1956 } else if ("library".equals(name) && !onlyFeatures) { 1957 String lname = parser.getAttributeValue(null, "name"); 1958 String lfile = parser.getAttributeValue(null, "file"); 1959 if (lname == null) { 1960 Slog.w(TAG, "<library> without name at " 1961 + parser.getPositionDescription()); 1962 } else if (lfile == null) { 1963 Slog.w(TAG, "<library> without file at " 1964 + parser.getPositionDescription()); 1965 } else { 1966 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1967 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1968 } 1969 XmlUtils.skipCurrentTag(parser); 1970 continue; 1971 1972 } else if ("feature".equals(name)) { 1973 String fname = parser.getAttributeValue(null, "name"); 1974 if (fname == null) { 1975 Slog.w(TAG, "<feature> without name at " 1976 + parser.getPositionDescription()); 1977 } else { 1978 //Log.i(TAG, "Got feature " + fname); 1979 FeatureInfo fi = new FeatureInfo(); 1980 fi.name = fname; 1981 mAvailableFeatures.put(fname, fi); 1982 } 1983 XmlUtils.skipCurrentTag(parser); 1984 continue; 1985 1986 } else { 1987 XmlUtils.skipCurrentTag(parser); 1988 continue; 1989 } 1990 1991 } 1992 permReader.close(); 1993 } catch (XmlPullParserException e) { 1994 Slog.w(TAG, "Got execption parsing permissions.", e); 1995 } catch (IOException e) { 1996 Slog.w(TAG, "Got execption parsing permissions.", e); 1997 } 1998 } 1999 2000 void readPermission(XmlPullParser parser, String name) 2001 throws IOException, XmlPullParserException { 2002 2003 name = name.intern(); 2004 2005 BasePermission bp = mSettings.mPermissions.get(name); 2006 if (bp == null) { 2007 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 2008 mSettings.mPermissions.put(name, bp); 2009 } 2010 int outerDepth = parser.getDepth(); 2011 int type; 2012 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2013 && (type != XmlPullParser.END_TAG 2014 || parser.getDepth() > outerDepth)) { 2015 if (type == XmlPullParser.END_TAG 2016 || type == XmlPullParser.TEXT) { 2017 continue; 2018 } 2019 2020 String tagName = parser.getName(); 2021 if ("group".equals(tagName)) { 2022 String gidStr = parser.getAttributeValue(null, "gid"); 2023 if (gidStr != null) { 2024 int gid = Process.getGidForName(gidStr); 2025 bp.gids = appendInt(bp.gids, gid); 2026 } else { 2027 Slog.w(TAG, "<group> without gid at " 2028 + parser.getPositionDescription()); 2029 } 2030 } 2031 XmlUtils.skipCurrentTag(parser); 2032 } 2033 } 2034 2035 static int[] appendInts(int[] cur, int[] add) { 2036 if (add == null) return cur; 2037 if (cur == null) return add; 2038 final int N = add.length; 2039 for (int i=0; i<N; i++) { 2040 cur = appendInt(cur, add[i]); 2041 } 2042 return cur; 2043 } 2044 2045 static int[] removeInts(int[] cur, int[] rem) { 2046 if (rem == null) return cur; 2047 if (cur == null) return cur; 2048 final int N = rem.length; 2049 for (int i=0; i<N; i++) { 2050 cur = removeInt(cur, rem[i]); 2051 } 2052 return cur; 2053 } 2054 2055 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2056 if (!sUserManager.exists(userId)) return null; 2057 final PackageSetting ps = (PackageSetting) p.mExtras; 2058 if (ps == null) { 2059 return null; 2060 } 2061 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2062 final PackageUserState state = ps.readUserState(userId); 2063 return PackageParser.generatePackageInfo(p, gp.gids, flags, 2064 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 2065 state, userId); 2066 } 2067 2068 @Override 2069 public boolean isPackageAvailable(String packageName, int userId) { 2070 if (!sUserManager.exists(userId)) return false; 2071 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 2072 synchronized (mPackages) { 2073 PackageParser.Package p = mPackages.get(packageName); 2074 if (p != null) { 2075 final PackageSetting ps = (PackageSetting) p.mExtras; 2076 if (ps != null) { 2077 final PackageUserState state = ps.readUserState(userId); 2078 if (state != null) { 2079 return PackageParser.isAvailable(state); 2080 } 2081 } 2082 } 2083 } 2084 return false; 2085 } 2086 2087 @Override 2088 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2089 if (!sUserManager.exists(userId)) return null; 2090 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 2091 // reader 2092 synchronized (mPackages) { 2093 PackageParser.Package p = mPackages.get(packageName); 2094 if (DEBUG_PACKAGE_INFO) 2095 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2096 if (p != null) { 2097 return generatePackageInfo(p, flags, userId); 2098 } 2099 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2100 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2101 } 2102 } 2103 return null; 2104 } 2105 2106 @Override 2107 public String[] currentToCanonicalPackageNames(String[] names) { 2108 String[] out = new String[names.length]; 2109 // reader 2110 synchronized (mPackages) { 2111 for (int i=names.length-1; i>=0; i--) { 2112 PackageSetting ps = mSettings.mPackages.get(names[i]); 2113 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2114 } 2115 } 2116 return out; 2117 } 2118 2119 @Override 2120 public String[] canonicalToCurrentPackageNames(String[] names) { 2121 String[] out = new String[names.length]; 2122 // reader 2123 synchronized (mPackages) { 2124 for (int i=names.length-1; i>=0; i--) { 2125 String cur = mSettings.mRenamedPackages.get(names[i]); 2126 out[i] = cur != null ? cur : names[i]; 2127 } 2128 } 2129 return out; 2130 } 2131 2132 @Override 2133 public int getPackageUid(String packageName, int userId) { 2134 if (!sUserManager.exists(userId)) return -1; 2135 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2136 // reader 2137 synchronized (mPackages) { 2138 PackageParser.Package p = mPackages.get(packageName); 2139 if(p != null) { 2140 return UserHandle.getUid(userId, p.applicationInfo.uid); 2141 } 2142 PackageSetting ps = mSettings.mPackages.get(packageName); 2143 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2144 return -1; 2145 } 2146 p = ps.pkg; 2147 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2148 } 2149 } 2150 2151 @Override 2152 public int[] getPackageGids(String packageName) { 2153 // reader 2154 synchronized (mPackages) { 2155 PackageParser.Package p = mPackages.get(packageName); 2156 if (DEBUG_PACKAGE_INFO) 2157 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2158 if (p != null) { 2159 final PackageSetting ps = (PackageSetting)p.mExtras; 2160 return ps.getGids(); 2161 } 2162 } 2163 // stupid thing to indicate an error. 2164 return new int[0]; 2165 } 2166 2167 static final PermissionInfo generatePermissionInfo( 2168 BasePermission bp, int flags) { 2169 if (bp.perm != null) { 2170 return PackageParser.generatePermissionInfo(bp.perm, flags); 2171 } 2172 PermissionInfo pi = new PermissionInfo(); 2173 pi.name = bp.name; 2174 pi.packageName = bp.sourcePackage; 2175 pi.nonLocalizedLabel = bp.name; 2176 pi.protectionLevel = bp.protectionLevel; 2177 return pi; 2178 } 2179 2180 @Override 2181 public PermissionInfo getPermissionInfo(String name, int flags) { 2182 // reader 2183 synchronized (mPackages) { 2184 final BasePermission p = mSettings.mPermissions.get(name); 2185 if (p != null) { 2186 return generatePermissionInfo(p, flags); 2187 } 2188 return null; 2189 } 2190 } 2191 2192 @Override 2193 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2194 // reader 2195 synchronized (mPackages) { 2196 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2197 for (BasePermission p : mSettings.mPermissions.values()) { 2198 if (group == null) { 2199 if (p.perm == null || p.perm.info.group == null) { 2200 out.add(generatePermissionInfo(p, flags)); 2201 } 2202 } else { 2203 if (p.perm != null && group.equals(p.perm.info.group)) { 2204 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2205 } 2206 } 2207 } 2208 2209 if (out.size() > 0) { 2210 return out; 2211 } 2212 return mPermissionGroups.containsKey(group) ? out : null; 2213 } 2214 } 2215 2216 @Override 2217 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2218 // reader 2219 synchronized (mPackages) { 2220 return PackageParser.generatePermissionGroupInfo( 2221 mPermissionGroups.get(name), flags); 2222 } 2223 } 2224 2225 @Override 2226 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2227 // reader 2228 synchronized (mPackages) { 2229 final int N = mPermissionGroups.size(); 2230 ArrayList<PermissionGroupInfo> out 2231 = new ArrayList<PermissionGroupInfo>(N); 2232 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2233 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2234 } 2235 return out; 2236 } 2237 } 2238 2239 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2240 int userId) { 2241 if (!sUserManager.exists(userId)) return null; 2242 PackageSetting ps = mSettings.mPackages.get(packageName); 2243 if (ps != null) { 2244 if (ps.pkg == null) { 2245 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2246 flags, userId); 2247 if (pInfo != null) { 2248 return pInfo.applicationInfo; 2249 } 2250 return null; 2251 } 2252 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2253 ps.readUserState(userId), userId); 2254 } 2255 return null; 2256 } 2257 2258 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2259 int userId) { 2260 if (!sUserManager.exists(userId)) return null; 2261 PackageSetting ps = mSettings.mPackages.get(packageName); 2262 if (ps != null) { 2263 PackageParser.Package pkg = ps.pkg; 2264 if (pkg == null) { 2265 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2266 return null; 2267 } 2268 // TODO: teach about reading split name 2269 pkg = new PackageParser.Package(packageName, null); 2270 pkg.applicationInfo.packageName = packageName; 2271 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2272 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2273 pkg.applicationInfo.sourceDir = ps.codePathString; 2274 pkg.applicationInfo.dataDir = 2275 getDataPathForPackage(packageName, 0).getPath(); 2276 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2277 pkg.applicationInfo.requiredCpuAbi = ps.requiredCpuAbiString; 2278 } 2279 return generatePackageInfo(pkg, flags, userId); 2280 } 2281 return null; 2282 } 2283 2284 @Override 2285 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2286 if (!sUserManager.exists(userId)) return null; 2287 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2288 // writer 2289 synchronized (mPackages) { 2290 PackageParser.Package p = mPackages.get(packageName); 2291 if (DEBUG_PACKAGE_INFO) Log.v( 2292 TAG, "getApplicationInfo " + packageName 2293 + ": " + p); 2294 if (p != null) { 2295 PackageSetting ps = mSettings.mPackages.get(packageName); 2296 if (ps == null) return null; 2297 // Note: isEnabledLP() does not apply here - always return info 2298 return PackageParser.generateApplicationInfo( 2299 p, flags, ps.readUserState(userId), userId); 2300 } 2301 if ("android".equals(packageName)||"system".equals(packageName)) { 2302 return mAndroidApplication; 2303 } 2304 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2305 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2306 } 2307 } 2308 return null; 2309 } 2310 2311 2312 @Override 2313 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2314 mContext.enforceCallingOrSelfPermission( 2315 android.Manifest.permission.CLEAR_APP_CACHE, null); 2316 // Queue up an async operation since clearing cache may take a little while. 2317 mHandler.post(new Runnable() { 2318 public void run() { 2319 mHandler.removeCallbacks(this); 2320 int retCode = -1; 2321 synchronized (mInstallLock) { 2322 retCode = mInstaller.freeCache(freeStorageSize); 2323 if (retCode < 0) { 2324 Slog.w(TAG, "Couldn't clear application caches"); 2325 } 2326 } 2327 if (observer != null) { 2328 try { 2329 observer.onRemoveCompleted(null, (retCode >= 0)); 2330 } catch (RemoteException e) { 2331 Slog.w(TAG, "RemoveException when invoking call back"); 2332 } 2333 } 2334 } 2335 }); 2336 } 2337 2338 @Override 2339 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2340 mContext.enforceCallingOrSelfPermission( 2341 android.Manifest.permission.CLEAR_APP_CACHE, null); 2342 // Queue up an async operation since clearing cache may take a little while. 2343 mHandler.post(new Runnable() { 2344 public void run() { 2345 mHandler.removeCallbacks(this); 2346 int retCode = -1; 2347 synchronized (mInstallLock) { 2348 retCode = mInstaller.freeCache(freeStorageSize); 2349 if (retCode < 0) { 2350 Slog.w(TAG, "Couldn't clear application caches"); 2351 } 2352 } 2353 if(pi != null) { 2354 try { 2355 // Callback via pending intent 2356 int code = (retCode >= 0) ? 1 : 0; 2357 pi.sendIntent(null, code, null, 2358 null, null); 2359 } catch (SendIntentException e1) { 2360 Slog.i(TAG, "Failed to send pending intent"); 2361 } 2362 } 2363 } 2364 }); 2365 } 2366 2367 void freeStorage(long freeStorageSize) throws IOException { 2368 synchronized (mInstallLock) { 2369 if (mInstaller.freeCache(freeStorageSize) < 0) { 2370 throw new IOException("Failed to free enough space"); 2371 } 2372 } 2373 } 2374 2375 @Override 2376 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2377 if (!sUserManager.exists(userId)) return null; 2378 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2379 synchronized (mPackages) { 2380 PackageParser.Activity a = mActivities.mActivities.get(component); 2381 2382 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2383 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2384 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2385 if (ps == null) return null; 2386 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2387 userId); 2388 } 2389 if (mResolveComponentName.equals(component)) { 2390 return mResolveActivity; 2391 } 2392 } 2393 return null; 2394 } 2395 2396 @Override 2397 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2398 String resolvedType) { 2399 synchronized (mPackages) { 2400 PackageParser.Activity a = mActivities.mActivities.get(component); 2401 if (a == null) { 2402 return false; 2403 } 2404 for (int i=0; i<a.intents.size(); i++) { 2405 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2406 intent.getData(), intent.getCategories(), TAG) >= 0) { 2407 return true; 2408 } 2409 } 2410 return false; 2411 } 2412 } 2413 2414 @Override 2415 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2416 if (!sUserManager.exists(userId)) return null; 2417 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2418 synchronized (mPackages) { 2419 PackageParser.Activity a = mReceivers.mActivities.get(component); 2420 if (DEBUG_PACKAGE_INFO) Log.v( 2421 TAG, "getReceiverInfo " + component + ": " + a); 2422 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2423 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2424 if (ps == null) return null; 2425 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2426 userId); 2427 } 2428 } 2429 return null; 2430 } 2431 2432 @Override 2433 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2434 if (!sUserManager.exists(userId)) return null; 2435 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2436 synchronized (mPackages) { 2437 PackageParser.Service s = mServices.mServices.get(component); 2438 if (DEBUG_PACKAGE_INFO) Log.v( 2439 TAG, "getServiceInfo " + component + ": " + s); 2440 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2441 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2442 if (ps == null) return null; 2443 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2444 userId); 2445 } 2446 } 2447 return null; 2448 } 2449 2450 @Override 2451 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2452 if (!sUserManager.exists(userId)) return null; 2453 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2454 synchronized (mPackages) { 2455 PackageParser.Provider p = mProviders.mProviders.get(component); 2456 if (DEBUG_PACKAGE_INFO) Log.v( 2457 TAG, "getProviderInfo " + component + ": " + p); 2458 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2459 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2460 if (ps == null) return null; 2461 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2462 userId); 2463 } 2464 } 2465 return null; 2466 } 2467 2468 @Override 2469 public String[] getSystemSharedLibraryNames() { 2470 Set<String> libSet; 2471 synchronized (mPackages) { 2472 libSet = mSharedLibraries.keySet(); 2473 int size = libSet.size(); 2474 if (size > 0) { 2475 String[] libs = new String[size]; 2476 libSet.toArray(libs); 2477 return libs; 2478 } 2479 } 2480 return null; 2481 } 2482 2483 @Override 2484 public FeatureInfo[] getSystemAvailableFeatures() { 2485 Collection<FeatureInfo> featSet; 2486 synchronized (mPackages) { 2487 featSet = mAvailableFeatures.values(); 2488 int size = featSet.size(); 2489 if (size > 0) { 2490 FeatureInfo[] features = new FeatureInfo[size+1]; 2491 featSet.toArray(features); 2492 FeatureInfo fi = new FeatureInfo(); 2493 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2494 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2495 features[size] = fi; 2496 return features; 2497 } 2498 } 2499 return null; 2500 } 2501 2502 @Override 2503 public boolean hasSystemFeature(String name) { 2504 synchronized (mPackages) { 2505 return mAvailableFeatures.containsKey(name); 2506 } 2507 } 2508 2509 private void checkValidCaller(int uid, int userId) { 2510 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2511 return; 2512 2513 throw new SecurityException("Caller uid=" + uid 2514 + " is not privileged to communicate with user=" + userId); 2515 } 2516 2517 @Override 2518 public int checkPermission(String permName, String pkgName) { 2519 synchronized (mPackages) { 2520 PackageParser.Package p = mPackages.get(pkgName); 2521 if (p != null && p.mExtras != null) { 2522 PackageSetting ps = (PackageSetting)p.mExtras; 2523 if (ps.sharedUser != null) { 2524 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2525 return PackageManager.PERMISSION_GRANTED; 2526 } 2527 } else if (ps.grantedPermissions.contains(permName)) { 2528 return PackageManager.PERMISSION_GRANTED; 2529 } 2530 } 2531 } 2532 return PackageManager.PERMISSION_DENIED; 2533 } 2534 2535 @Override 2536 public int checkUidPermission(String permName, int uid) { 2537 synchronized (mPackages) { 2538 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2539 if (obj != null) { 2540 GrantedPermissions gp = (GrantedPermissions)obj; 2541 if (gp.grantedPermissions.contains(permName)) { 2542 return PackageManager.PERMISSION_GRANTED; 2543 } 2544 } else { 2545 HashSet<String> perms = mSystemPermissions.get(uid); 2546 if (perms != null && perms.contains(permName)) { 2547 return PackageManager.PERMISSION_GRANTED; 2548 } 2549 } 2550 } 2551 return PackageManager.PERMISSION_DENIED; 2552 } 2553 2554 /** 2555 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2556 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2557 * @param message the message to log on security exception 2558 */ 2559 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2560 String message) { 2561 if (userId < 0) { 2562 throw new IllegalArgumentException("Invalid userId " + userId); 2563 } 2564 if (userId == UserHandle.getUserId(callingUid)) return; 2565 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2566 if (requireFullPermission) { 2567 mContext.enforceCallingOrSelfPermission( 2568 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2569 } else { 2570 try { 2571 mContext.enforceCallingOrSelfPermission( 2572 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2573 } catch (SecurityException se) { 2574 mContext.enforceCallingOrSelfPermission( 2575 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2576 } 2577 } 2578 } 2579 } 2580 2581 private BasePermission findPermissionTreeLP(String permName) { 2582 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2583 if (permName.startsWith(bp.name) && 2584 permName.length() > bp.name.length() && 2585 permName.charAt(bp.name.length()) == '.') { 2586 return bp; 2587 } 2588 } 2589 return null; 2590 } 2591 2592 private BasePermission checkPermissionTreeLP(String permName) { 2593 if (permName != null) { 2594 BasePermission bp = findPermissionTreeLP(permName); 2595 if (bp != null) { 2596 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2597 return bp; 2598 } 2599 throw new SecurityException("Calling uid " 2600 + Binder.getCallingUid() 2601 + " is not allowed to add to permission tree " 2602 + bp.name + " owned by uid " + bp.uid); 2603 } 2604 } 2605 throw new SecurityException("No permission tree found for " + permName); 2606 } 2607 2608 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2609 if (s1 == null) { 2610 return s2 == null; 2611 } 2612 if (s2 == null) { 2613 return false; 2614 } 2615 if (s1.getClass() != s2.getClass()) { 2616 return false; 2617 } 2618 return s1.equals(s2); 2619 } 2620 2621 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2622 if (pi1.icon != pi2.icon) return false; 2623 if (pi1.logo != pi2.logo) return false; 2624 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2625 if (!compareStrings(pi1.name, pi2.name)) return false; 2626 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2627 // We'll take care of setting this one. 2628 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2629 // These are not currently stored in settings. 2630 //if (!compareStrings(pi1.group, pi2.group)) return false; 2631 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2632 //if (pi1.labelRes != pi2.labelRes) return false; 2633 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2634 return true; 2635 } 2636 2637 int permissionInfoFootprint(PermissionInfo info) { 2638 int size = info.name.length(); 2639 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2640 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2641 return size; 2642 } 2643 2644 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2645 int size = 0; 2646 for (BasePermission perm : mSettings.mPermissions.values()) { 2647 if (perm.uid == tree.uid) { 2648 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2649 } 2650 } 2651 return size; 2652 } 2653 2654 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2655 // We calculate the max size of permissions defined by this uid and throw 2656 // if that plus the size of 'info' would exceed our stated maximum. 2657 if (tree.uid != Process.SYSTEM_UID) { 2658 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2659 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2660 throw new SecurityException("Permission tree size cap exceeded"); 2661 } 2662 } 2663 } 2664 2665 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2666 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2667 throw new SecurityException("Label must be specified in permission"); 2668 } 2669 BasePermission tree = checkPermissionTreeLP(info.name); 2670 BasePermission bp = mSettings.mPermissions.get(info.name); 2671 boolean added = bp == null; 2672 boolean changed = true; 2673 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2674 if (added) { 2675 enforcePermissionCapLocked(info, tree); 2676 bp = new BasePermission(info.name, tree.sourcePackage, 2677 BasePermission.TYPE_DYNAMIC); 2678 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2679 throw new SecurityException( 2680 "Not allowed to modify non-dynamic permission " 2681 + info.name); 2682 } else { 2683 if (bp.protectionLevel == fixedLevel 2684 && bp.perm.owner.equals(tree.perm.owner) 2685 && bp.uid == tree.uid 2686 && comparePermissionInfos(bp.perm.info, info)) { 2687 changed = false; 2688 } 2689 } 2690 bp.protectionLevel = fixedLevel; 2691 info = new PermissionInfo(info); 2692 info.protectionLevel = fixedLevel; 2693 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2694 bp.perm.info.packageName = tree.perm.info.packageName; 2695 bp.uid = tree.uid; 2696 if (added) { 2697 mSettings.mPermissions.put(info.name, bp); 2698 } 2699 if (changed) { 2700 if (!async) { 2701 mSettings.writeLPr(); 2702 } else { 2703 scheduleWriteSettingsLocked(); 2704 } 2705 } 2706 return added; 2707 } 2708 2709 @Override 2710 public boolean addPermission(PermissionInfo info) { 2711 synchronized (mPackages) { 2712 return addPermissionLocked(info, false); 2713 } 2714 } 2715 2716 @Override 2717 public boolean addPermissionAsync(PermissionInfo info) { 2718 synchronized (mPackages) { 2719 return addPermissionLocked(info, true); 2720 } 2721 } 2722 2723 @Override 2724 public void removePermission(String name) { 2725 synchronized (mPackages) { 2726 checkPermissionTreeLP(name); 2727 BasePermission bp = mSettings.mPermissions.get(name); 2728 if (bp != null) { 2729 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2730 throw new SecurityException( 2731 "Not allowed to modify non-dynamic permission " 2732 + name); 2733 } 2734 mSettings.mPermissions.remove(name); 2735 mSettings.writeLPr(); 2736 } 2737 } 2738 } 2739 2740 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2741 int index = pkg.requestedPermissions.indexOf(bp.name); 2742 if (index == -1) { 2743 throw new SecurityException("Package " + pkg.packageName 2744 + " has not requested permission " + bp.name); 2745 } 2746 boolean isNormal = 2747 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2748 == PermissionInfo.PROTECTION_NORMAL); 2749 boolean isDangerous = 2750 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2751 == PermissionInfo.PROTECTION_DANGEROUS); 2752 boolean isDevelopment = 2753 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2754 2755 if (!isNormal && !isDangerous && !isDevelopment) { 2756 throw new SecurityException("Permission " + bp.name 2757 + " is not a changeable permission type"); 2758 } 2759 2760 if (isNormal || isDangerous) { 2761 if (pkg.requestedPermissionsRequired.get(index)) { 2762 throw new SecurityException("Can't change " + bp.name 2763 + ". It is required by the application"); 2764 } 2765 } 2766 } 2767 2768 @Override 2769 public void grantPermission(String packageName, String permissionName) { 2770 mContext.enforceCallingOrSelfPermission( 2771 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2772 synchronized (mPackages) { 2773 final PackageParser.Package pkg = mPackages.get(packageName); 2774 if (pkg == null) { 2775 throw new IllegalArgumentException("Unknown package: " + packageName); 2776 } 2777 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2778 if (bp == null) { 2779 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2780 } 2781 2782 checkGrantRevokePermissions(pkg, bp); 2783 2784 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2785 if (ps == null) { 2786 return; 2787 } 2788 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2789 if (gp.grantedPermissions.add(permissionName)) { 2790 if (ps.haveGids) { 2791 gp.gids = appendInts(gp.gids, bp.gids); 2792 } 2793 mSettings.writeLPr(); 2794 } 2795 } 2796 } 2797 2798 @Override 2799 public void revokePermission(String packageName, String permissionName) { 2800 int changedAppId = -1; 2801 2802 synchronized (mPackages) { 2803 final PackageParser.Package pkg = mPackages.get(packageName); 2804 if (pkg == null) { 2805 throw new IllegalArgumentException("Unknown package: " + packageName); 2806 } 2807 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2808 mContext.enforceCallingOrSelfPermission( 2809 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2810 } 2811 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2812 if (bp == null) { 2813 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2814 } 2815 2816 checkGrantRevokePermissions(pkg, bp); 2817 2818 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2819 if (ps == null) { 2820 return; 2821 } 2822 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2823 if (gp.grantedPermissions.remove(permissionName)) { 2824 gp.grantedPermissions.remove(permissionName); 2825 if (ps.haveGids) { 2826 gp.gids = removeInts(gp.gids, bp.gids); 2827 } 2828 mSettings.writeLPr(); 2829 changedAppId = ps.appId; 2830 } 2831 } 2832 2833 if (changedAppId >= 0) { 2834 // We changed the perm on someone, kill its processes. 2835 IActivityManager am = ActivityManagerNative.getDefault(); 2836 if (am != null) { 2837 final int callingUserId = UserHandle.getCallingUserId(); 2838 final long ident = Binder.clearCallingIdentity(); 2839 try { 2840 //XXX we should only revoke for the calling user's app permissions, 2841 // but for now we impact all users. 2842 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2843 // "revoke " + permissionName); 2844 int[] users = sUserManager.getUserIds(); 2845 for (int user : users) { 2846 am.killUid(UserHandle.getUid(user, changedAppId), 2847 "revoke " + permissionName); 2848 } 2849 } catch (RemoteException e) { 2850 } finally { 2851 Binder.restoreCallingIdentity(ident); 2852 } 2853 } 2854 } 2855 } 2856 2857 @Override 2858 public boolean isProtectedBroadcast(String actionName) { 2859 synchronized (mPackages) { 2860 return mProtectedBroadcasts.contains(actionName); 2861 } 2862 } 2863 2864 @Override 2865 public int checkSignatures(String pkg1, String pkg2) { 2866 synchronized (mPackages) { 2867 final PackageParser.Package p1 = mPackages.get(pkg1); 2868 final PackageParser.Package p2 = mPackages.get(pkg2); 2869 if (p1 == null || p1.mExtras == null 2870 || p2 == null || p2.mExtras == null) { 2871 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2872 } 2873 return compareSignatures(p1.mSignatures, p2.mSignatures); 2874 } 2875 } 2876 2877 @Override 2878 public int checkUidSignatures(int uid1, int uid2) { 2879 // Map to base uids. 2880 uid1 = UserHandle.getAppId(uid1); 2881 uid2 = UserHandle.getAppId(uid2); 2882 // reader 2883 synchronized (mPackages) { 2884 Signature[] s1; 2885 Signature[] s2; 2886 Object obj = mSettings.getUserIdLPr(uid1); 2887 if (obj != null) { 2888 if (obj instanceof SharedUserSetting) { 2889 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2890 } else if (obj instanceof PackageSetting) { 2891 s1 = ((PackageSetting)obj).signatures.mSignatures; 2892 } else { 2893 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2894 } 2895 } else { 2896 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2897 } 2898 obj = mSettings.getUserIdLPr(uid2); 2899 if (obj != null) { 2900 if (obj instanceof SharedUserSetting) { 2901 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2902 } else if (obj instanceof PackageSetting) { 2903 s2 = ((PackageSetting)obj).signatures.mSignatures; 2904 } else { 2905 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2906 } 2907 } else { 2908 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2909 } 2910 return compareSignatures(s1, s2); 2911 } 2912 } 2913 2914 /** 2915 * Compares two sets of signatures. Returns: 2916 * <br /> 2917 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2918 * <br /> 2919 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2920 * <br /> 2921 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2922 * <br /> 2923 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2924 * <br /> 2925 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2926 */ 2927 static int compareSignatures(Signature[] s1, Signature[] s2) { 2928 if (s1 == null) { 2929 return s2 == null 2930 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2931 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2932 } 2933 2934 if (s2 == null) { 2935 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2936 } 2937 2938 if (s1.length != s2.length) { 2939 return PackageManager.SIGNATURE_NO_MATCH; 2940 } 2941 2942 // Since both signature sets are of size 1, we can compare without HashSets. 2943 if (s1.length == 1) { 2944 return s1[0].equals(s2[0]) ? 2945 PackageManager.SIGNATURE_MATCH : 2946 PackageManager.SIGNATURE_NO_MATCH; 2947 } 2948 2949 HashSet<Signature> set1 = new HashSet<Signature>(); 2950 for (Signature sig : s1) { 2951 set1.add(sig); 2952 } 2953 HashSet<Signature> set2 = new HashSet<Signature>(); 2954 for (Signature sig : s2) { 2955 set2.add(sig); 2956 } 2957 // Make sure s2 contains all signatures in s1. 2958 if (set1.equals(set2)) { 2959 return PackageManager.SIGNATURE_MATCH; 2960 } 2961 return PackageManager.SIGNATURE_NO_MATCH; 2962 } 2963 2964 /** 2965 * If the database version for this type of package (internal storage or 2966 * external storage) is less than the version where package signatures 2967 * were updated, return true. 2968 */ 2969 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2970 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2971 DatabaseVersion.SIGNATURE_END_ENTITY)) 2972 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2973 DatabaseVersion.SIGNATURE_END_ENTITY)); 2974 } 2975 2976 /** 2977 * Used for backward compatibility to make sure any packages with 2978 * certificate chains get upgraded to the new style. {@code existingSigs} 2979 * will be in the old format (since they were stored on disk from before the 2980 * system upgrade) and {@code scannedSigs} will be in the newer format. 2981 */ 2982 private int compareSignaturesCompat(PackageSignatures existingSigs, 2983 PackageParser.Package scannedPkg) { 2984 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2985 return PackageManager.SIGNATURE_NO_MATCH; 2986 } 2987 2988 HashSet<Signature> existingSet = new HashSet<Signature>(); 2989 for (Signature sig : existingSigs.mSignatures) { 2990 existingSet.add(sig); 2991 } 2992 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2993 for (Signature sig : scannedPkg.mSignatures) { 2994 try { 2995 Signature[] chainSignatures = sig.getChainSignatures(); 2996 for (Signature chainSig : chainSignatures) { 2997 scannedCompatSet.add(chainSig); 2998 } 2999 } catch (CertificateEncodingException e) { 3000 scannedCompatSet.add(sig); 3001 } 3002 } 3003 /* 3004 * Make sure the expanded scanned set contains all signatures in the 3005 * existing one. 3006 */ 3007 if (scannedCompatSet.equals(existingSet)) { 3008 // Migrate the old signatures to the new scheme. 3009 existingSigs.assignSignatures(scannedPkg.mSignatures); 3010 // The new KeySets will be re-added later in the scanning process. 3011 mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName); 3012 return PackageManager.SIGNATURE_MATCH; 3013 } 3014 return PackageManager.SIGNATURE_NO_MATCH; 3015 } 3016 3017 @Override 3018 public String[] getPackagesForUid(int uid) { 3019 uid = UserHandle.getAppId(uid); 3020 // reader 3021 synchronized (mPackages) { 3022 Object obj = mSettings.getUserIdLPr(uid); 3023 if (obj instanceof SharedUserSetting) { 3024 final SharedUserSetting sus = (SharedUserSetting) obj; 3025 final int N = sus.packages.size(); 3026 final String[] res = new String[N]; 3027 final Iterator<PackageSetting> it = sus.packages.iterator(); 3028 int i = 0; 3029 while (it.hasNext()) { 3030 res[i++] = it.next().name; 3031 } 3032 return res; 3033 } else if (obj instanceof PackageSetting) { 3034 final PackageSetting ps = (PackageSetting) obj; 3035 return new String[] { ps.name }; 3036 } 3037 } 3038 return null; 3039 } 3040 3041 @Override 3042 public String getNameForUid(int uid) { 3043 // reader 3044 synchronized (mPackages) { 3045 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3046 if (obj instanceof SharedUserSetting) { 3047 final SharedUserSetting sus = (SharedUserSetting) obj; 3048 return sus.name + ":" + sus.userId; 3049 } else if (obj instanceof PackageSetting) { 3050 final PackageSetting ps = (PackageSetting) obj; 3051 return ps.name; 3052 } 3053 } 3054 return null; 3055 } 3056 3057 @Override 3058 public int getUidForSharedUser(String sharedUserName) { 3059 if(sharedUserName == null) { 3060 return -1; 3061 } 3062 // reader 3063 synchronized (mPackages) { 3064 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 3065 if (suid == null) { 3066 return -1; 3067 } 3068 return suid.userId; 3069 } 3070 } 3071 3072 @Override 3073 public int getFlagsForUid(int uid) { 3074 synchronized (mPackages) { 3075 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3076 if (obj instanceof SharedUserSetting) { 3077 final SharedUserSetting sus = (SharedUserSetting) obj; 3078 return sus.pkgFlags; 3079 } else if (obj instanceof PackageSetting) { 3080 final PackageSetting ps = (PackageSetting) obj; 3081 return ps.pkgFlags; 3082 } 3083 } 3084 return 0; 3085 } 3086 3087 @Override 3088 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3089 int flags, int userId) { 3090 if (!sUserManager.exists(userId)) return null; 3091 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 3092 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3093 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3094 } 3095 3096 @Override 3097 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3098 IntentFilter filter, int match, ComponentName activity) { 3099 final int userId = UserHandle.getCallingUserId(); 3100 if (DEBUG_PREFERRED) { 3101 Log.v(TAG, "setLastChosenActivity intent=" + intent 3102 + " resolvedType=" + resolvedType 3103 + " flags=" + flags 3104 + " filter=" + filter 3105 + " match=" + match 3106 + " activity=" + activity); 3107 filter.dump(new PrintStreamPrinter(System.out), " "); 3108 } 3109 intent.setComponent(null); 3110 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3111 // Find any earlier preferred or last chosen entries and nuke them 3112 findPreferredActivity(intent, resolvedType, 3113 flags, query, 0, false, true, false, userId); 3114 // Add the new activity as the last chosen for this filter 3115 addPreferredActivityInternal(filter, match, null, activity, false, userId); 3116 } 3117 3118 @Override 3119 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3120 final int userId = UserHandle.getCallingUserId(); 3121 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3122 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3123 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3124 false, false, false, userId); 3125 } 3126 3127 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3128 int flags, List<ResolveInfo> query, int userId) { 3129 if (query != null) { 3130 final int N = query.size(); 3131 if (N == 1) { 3132 return query.get(0); 3133 } else if (N > 1) { 3134 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3135 // If there is more than one activity with the same priority, 3136 // then let the user decide between them. 3137 ResolveInfo r0 = query.get(0); 3138 ResolveInfo r1 = query.get(1); 3139 if (DEBUG_INTENT_MATCHING || debug) { 3140 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3141 + r1.activityInfo.name + "=" + r1.priority); 3142 } 3143 // If the first activity has a higher priority, or a different 3144 // default, then it is always desireable to pick it. 3145 if (r0.priority != r1.priority 3146 || r0.preferredOrder != r1.preferredOrder 3147 || r0.isDefault != r1.isDefault) { 3148 return query.get(0); 3149 } 3150 // If we have saved a preference for a preferred activity for 3151 // this Intent, use that. 3152 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3153 flags, query, r0.priority, true, false, debug, userId); 3154 if (ri != null) { 3155 return ri; 3156 } 3157 if (userId != 0) { 3158 ri = new ResolveInfo(mResolveInfo); 3159 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3160 ri.activityInfo.applicationInfo = new ApplicationInfo( 3161 ri.activityInfo.applicationInfo); 3162 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3163 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3164 return ri; 3165 } 3166 return mResolveInfo; 3167 } 3168 } 3169 return null; 3170 } 3171 3172 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3173 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3174 final int N = query.size(); 3175 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3176 .get(userId); 3177 // Get the list of persistent preferred activities that handle the intent 3178 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3179 List<PersistentPreferredActivity> pprefs = ppir != null 3180 ? ppir.queryIntent(intent, resolvedType, 3181 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3182 : null; 3183 if (pprefs != null && pprefs.size() > 0) { 3184 final int M = pprefs.size(); 3185 for (int i=0; i<M; i++) { 3186 final PersistentPreferredActivity ppa = pprefs.get(i); 3187 if (DEBUG_PREFERRED || debug) { 3188 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3189 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3190 + "\n component=" + ppa.mComponent); 3191 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3192 } 3193 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3194 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3195 if (DEBUG_PREFERRED || debug) { 3196 Slog.v(TAG, "Found persistent preferred activity:"); 3197 if (ai != null) { 3198 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3199 } else { 3200 Slog.v(TAG, " null"); 3201 } 3202 } 3203 if (ai == null) { 3204 // This previously registered persistent preferred activity 3205 // component is no longer known. Ignore it and do NOT remove it. 3206 continue; 3207 } 3208 for (int j=0; j<N; j++) { 3209 final ResolveInfo ri = query.get(j); 3210 if (!ri.activityInfo.applicationInfo.packageName 3211 .equals(ai.applicationInfo.packageName)) { 3212 continue; 3213 } 3214 if (!ri.activityInfo.name.equals(ai.name)) { 3215 continue; 3216 } 3217 // Found a persistent preference that can handle the intent. 3218 if (DEBUG_PREFERRED || debug) { 3219 Slog.v(TAG, "Returning persistent preferred activity: " + 3220 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3221 } 3222 return ri; 3223 } 3224 } 3225 } 3226 return null; 3227 } 3228 3229 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3230 List<ResolveInfo> query, int priority, boolean always, 3231 boolean removeMatches, boolean debug, int userId) { 3232 if (!sUserManager.exists(userId)) return null; 3233 // writer 3234 synchronized (mPackages) { 3235 if (intent.getSelector() != null) { 3236 intent = intent.getSelector(); 3237 } 3238 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3239 3240 // Try to find a matching persistent preferred activity. 3241 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3242 debug, userId); 3243 3244 // If a persistent preferred activity matched, use it. 3245 if (pri != null) { 3246 return pri; 3247 } 3248 3249 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3250 // Get the list of preferred activities that handle the intent 3251 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3252 List<PreferredActivity> prefs = pir != null 3253 ? pir.queryIntent(intent, resolvedType, 3254 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3255 : null; 3256 if (prefs != null && prefs.size() > 0) { 3257 // First figure out how good the original match set is. 3258 // We will only allow preferred activities that came 3259 // from the same match quality. 3260 int match = 0; 3261 3262 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3263 3264 final int N = query.size(); 3265 for (int j=0; j<N; j++) { 3266 final ResolveInfo ri = query.get(j); 3267 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3268 + ": 0x" + Integer.toHexString(match)); 3269 if (ri.match > match) { 3270 match = ri.match; 3271 } 3272 } 3273 3274 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3275 + Integer.toHexString(match)); 3276 3277 match &= IntentFilter.MATCH_CATEGORY_MASK; 3278 final int M = prefs.size(); 3279 for (int i=0; i<M; i++) { 3280 final PreferredActivity pa = prefs.get(i); 3281 if (DEBUG_PREFERRED || debug) { 3282 Slog.v(TAG, "Checking PreferredActivity ds=" 3283 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3284 + "\n component=" + pa.mPref.mComponent); 3285 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3286 } 3287 if (pa.mPref.mMatch != match) { 3288 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3289 + Integer.toHexString(pa.mPref.mMatch)); 3290 continue; 3291 } 3292 // If it's not an "always" type preferred activity and that's what we're 3293 // looking for, skip it. 3294 if (always && !pa.mPref.mAlways) { 3295 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3296 continue; 3297 } 3298 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3299 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3300 if (DEBUG_PREFERRED || debug) { 3301 Slog.v(TAG, "Found preferred activity:"); 3302 if (ai != null) { 3303 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3304 } else { 3305 Slog.v(TAG, " null"); 3306 } 3307 } 3308 if (ai == null) { 3309 // This previously registered preferred activity 3310 // component is no longer known. Most likely an update 3311 // to the app was installed and in the new version this 3312 // component no longer exists. Clean it up by removing 3313 // it from the preferred activities list, and skip it. 3314 Slog.w(TAG, "Removing dangling preferred activity: " 3315 + pa.mPref.mComponent); 3316 pir.removeFilter(pa); 3317 continue; 3318 } 3319 for (int j=0; j<N; j++) { 3320 final ResolveInfo ri = query.get(j); 3321 if (!ri.activityInfo.applicationInfo.packageName 3322 .equals(ai.applicationInfo.packageName)) { 3323 continue; 3324 } 3325 if (!ri.activityInfo.name.equals(ai.name)) { 3326 continue; 3327 } 3328 3329 if (removeMatches) { 3330 pir.removeFilter(pa); 3331 if (DEBUG_PREFERRED) { 3332 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3333 } 3334 break; 3335 } 3336 3337 // Okay we found a previously set preferred or last chosen app. 3338 // If the result set is different from when this 3339 // was created, we need to clear it and re-ask the 3340 // user their preference, if we're looking for an "always" type entry. 3341 if (always && !pa.mPref.sameSet(query, priority)) { 3342 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3343 + intent + " type " + resolvedType); 3344 if (DEBUG_PREFERRED) { 3345 Slog.v(TAG, "Removing preferred activity since set changed " 3346 + pa.mPref.mComponent); 3347 } 3348 pir.removeFilter(pa); 3349 // Re-add the filter as a "last chosen" entry (!always) 3350 PreferredActivity lastChosen = new PreferredActivity( 3351 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3352 pir.addFilter(lastChosen); 3353 mSettings.writePackageRestrictionsLPr(userId); 3354 return null; 3355 } 3356 3357 // Yay! Either the set matched or we're looking for the last chosen 3358 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3359 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3360 mSettings.writePackageRestrictionsLPr(userId); 3361 return ri; 3362 } 3363 } 3364 } 3365 mSettings.writePackageRestrictionsLPr(userId); 3366 } 3367 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3368 return null; 3369 } 3370 3371 /* 3372 * Returns if intent can be forwarded from the userId from to dest 3373 */ 3374 @Override 3375 public boolean canForwardTo(Intent intent, String resolvedType, int userIdFrom, int userIdDest) { 3376 mContext.enforceCallingOrSelfPermission( 3377 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3378 List<ForwardingIntentFilter> matches = 3379 getMatchingForwardingIntentFilters(intent, resolvedType, userIdFrom); 3380 if (matches != null) { 3381 int size = matches.size(); 3382 for (int i = 0; i < size; i++) { 3383 if (matches.get(i).getUserIdDest() == userIdDest) return true; 3384 } 3385 } 3386 return false; 3387 } 3388 3389 private List<ForwardingIntentFilter> getMatchingForwardingIntentFilters(Intent intent, 3390 String resolvedType, int userId) { 3391 ForwardingIntentResolver fir = mSettings.mForwardingIntentResolvers.get(userId); 3392 if (fir != null) { 3393 return fir.queryIntent(intent, resolvedType, false, userId); 3394 } 3395 return null; 3396 } 3397 3398 @Override 3399 public List<ResolveInfo> queryIntentActivities(Intent intent, 3400 String resolvedType, int flags, int userId) { 3401 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3402 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3403 ComponentName comp = intent.getComponent(); 3404 if (comp == null) { 3405 if (intent.getSelector() != null) { 3406 intent = intent.getSelector(); 3407 comp = intent.getComponent(); 3408 } 3409 } 3410 3411 if (comp != null) { 3412 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3413 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3414 if (ai != null) { 3415 final ResolveInfo ri = new ResolveInfo(); 3416 ri.activityInfo = ai; 3417 list.add(ri); 3418 } 3419 return list; 3420 } 3421 3422 // reader 3423 synchronized (mPackages) { 3424 final String pkgName = intent.getPackage(); 3425 if (pkgName == null) { 3426 List<ResolveInfo> result = 3427 mActivities.queryIntent(intent, resolvedType, flags, userId); 3428 // Checking if we can forward the intent to another user 3429 List<ForwardingIntentFilter> fifs = 3430 getMatchingForwardingIntentFilters(intent, resolvedType, userId); 3431 if (fifs != null) { 3432 ForwardingIntentFilter forwardingIntentFilterWithResult = null; 3433 HashSet<Integer> alreadyTriedUserIds = new HashSet<Integer>(); 3434 for (ForwardingIntentFilter fif : fifs) { 3435 int userIdDest = fif.getUserIdDest(); 3436 // Two {@link ForwardingIntentFilter}s can have the same userIdDest and 3437 // match the same an intent. For performance reasons, it is better not to 3438 // run queryIntent twice for the same userId 3439 if (!alreadyTriedUserIds.contains(userIdDest)) { 3440 List<ResolveInfo> resultUser = mActivities.queryIntent(intent, 3441 resolvedType, flags, userIdDest); 3442 if (resultUser != null) { 3443 forwardingIntentFilterWithResult = fif; 3444 // As soon as there is a match in another user, we add the 3445 // intentForwarderActivity to the list of ResolveInfo. 3446 break; 3447 } 3448 alreadyTriedUserIds.add(userIdDest); 3449 } 3450 } 3451 if (forwardingIntentFilterWithResult != null) { 3452 ResolveInfo forwardingResolveInfo = createForwardingResolveInfo( 3453 forwardingIntentFilterWithResult, userId); 3454 result.add(forwardingResolveInfo); 3455 } 3456 } 3457 return result; 3458 } 3459 final PackageParser.Package pkg = mPackages.get(pkgName); 3460 if (pkg != null) { 3461 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3462 pkg.activities, userId); 3463 } 3464 return new ArrayList<ResolveInfo>(); 3465 } 3466 } 3467 3468 private ResolveInfo createForwardingResolveInfo(ForwardingIntentFilter fif, int userIdFrom) { 3469 String className; 3470 int userIdDest = fif.getUserIdDest(); 3471 if (userIdDest == UserHandle.USER_OWNER) { 3472 className = FORWARD_INTENT_TO_USER_OWNER; 3473 } else { 3474 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3475 } 3476 ComponentName forwardingActivityComponentName = new ComponentName( 3477 mAndroidApplication.packageName, className); 3478 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3479 userIdFrom); 3480 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3481 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3482 forwardingResolveInfo.priority = 0; 3483 forwardingResolveInfo.preferredOrder = 0; 3484 forwardingResolveInfo.match = 0; 3485 forwardingResolveInfo.isDefault = true; 3486 forwardingResolveInfo.filter = fif; 3487 return forwardingResolveInfo; 3488 } 3489 3490 @Override 3491 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3492 Intent[] specifics, String[] specificTypes, Intent intent, 3493 String resolvedType, int flags, int userId) { 3494 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3495 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3496 "query intent activity options"); 3497 final String resultsAction = intent.getAction(); 3498 3499 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3500 | PackageManager.GET_RESOLVED_FILTER, userId); 3501 3502 if (DEBUG_INTENT_MATCHING) { 3503 Log.v(TAG, "Query " + intent + ": " + results); 3504 } 3505 3506 int specificsPos = 0; 3507 int N; 3508 3509 // todo: note that the algorithm used here is O(N^2). This 3510 // isn't a problem in our current environment, but if we start running 3511 // into situations where we have more than 5 or 10 matches then this 3512 // should probably be changed to something smarter... 3513 3514 // First we go through and resolve each of the specific items 3515 // that were supplied, taking care of removing any corresponding 3516 // duplicate items in the generic resolve list. 3517 if (specifics != null) { 3518 for (int i=0; i<specifics.length; i++) { 3519 final Intent sintent = specifics[i]; 3520 if (sintent == null) { 3521 continue; 3522 } 3523 3524 if (DEBUG_INTENT_MATCHING) { 3525 Log.v(TAG, "Specific #" + i + ": " + sintent); 3526 } 3527 3528 String action = sintent.getAction(); 3529 if (resultsAction != null && resultsAction.equals(action)) { 3530 // If this action was explicitly requested, then don't 3531 // remove things that have it. 3532 action = null; 3533 } 3534 3535 ResolveInfo ri = null; 3536 ActivityInfo ai = null; 3537 3538 ComponentName comp = sintent.getComponent(); 3539 if (comp == null) { 3540 ri = resolveIntent( 3541 sintent, 3542 specificTypes != null ? specificTypes[i] : null, 3543 flags, userId); 3544 if (ri == null) { 3545 continue; 3546 } 3547 if (ri == mResolveInfo) { 3548 // ACK! Must do something better with this. 3549 } 3550 ai = ri.activityInfo; 3551 comp = new ComponentName(ai.applicationInfo.packageName, 3552 ai.name); 3553 } else { 3554 ai = getActivityInfo(comp, flags, userId); 3555 if (ai == null) { 3556 continue; 3557 } 3558 } 3559 3560 // Look for any generic query activities that are duplicates 3561 // of this specific one, and remove them from the results. 3562 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3563 N = results.size(); 3564 int j; 3565 for (j=specificsPos; j<N; j++) { 3566 ResolveInfo sri = results.get(j); 3567 if ((sri.activityInfo.name.equals(comp.getClassName()) 3568 && sri.activityInfo.applicationInfo.packageName.equals( 3569 comp.getPackageName())) 3570 || (action != null && sri.filter.matchAction(action))) { 3571 results.remove(j); 3572 if (DEBUG_INTENT_MATCHING) Log.v( 3573 TAG, "Removing duplicate item from " + j 3574 + " due to specific " + specificsPos); 3575 if (ri == null) { 3576 ri = sri; 3577 } 3578 j--; 3579 N--; 3580 } 3581 } 3582 3583 // Add this specific item to its proper place. 3584 if (ri == null) { 3585 ri = new ResolveInfo(); 3586 ri.activityInfo = ai; 3587 } 3588 results.add(specificsPos, ri); 3589 ri.specificIndex = i; 3590 specificsPos++; 3591 } 3592 } 3593 3594 // Now we go through the remaining generic results and remove any 3595 // duplicate actions that are found here. 3596 N = results.size(); 3597 for (int i=specificsPos; i<N-1; i++) { 3598 final ResolveInfo rii = results.get(i); 3599 if (rii.filter == null) { 3600 continue; 3601 } 3602 3603 // Iterate over all of the actions of this result's intent 3604 // filter... typically this should be just one. 3605 final Iterator<String> it = rii.filter.actionsIterator(); 3606 if (it == null) { 3607 continue; 3608 } 3609 while (it.hasNext()) { 3610 final String action = it.next(); 3611 if (resultsAction != null && resultsAction.equals(action)) { 3612 // If this action was explicitly requested, then don't 3613 // remove things that have it. 3614 continue; 3615 } 3616 for (int j=i+1; j<N; j++) { 3617 final ResolveInfo rij = results.get(j); 3618 if (rij.filter != null && rij.filter.hasAction(action)) { 3619 results.remove(j); 3620 if (DEBUG_INTENT_MATCHING) Log.v( 3621 TAG, "Removing duplicate item from " + j 3622 + " due to action " + action + " at " + i); 3623 j--; 3624 N--; 3625 } 3626 } 3627 } 3628 3629 // If the caller didn't request filter information, drop it now 3630 // so we don't have to marshall/unmarshall it. 3631 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3632 rii.filter = null; 3633 } 3634 } 3635 3636 // Filter out the caller activity if so requested. 3637 if (caller != null) { 3638 N = results.size(); 3639 for (int i=0; i<N; i++) { 3640 ActivityInfo ainfo = results.get(i).activityInfo; 3641 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3642 && caller.getClassName().equals(ainfo.name)) { 3643 results.remove(i); 3644 break; 3645 } 3646 } 3647 } 3648 3649 // If the caller didn't request filter information, 3650 // drop them now so we don't have to 3651 // marshall/unmarshall it. 3652 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3653 N = results.size(); 3654 for (int i=0; i<N; i++) { 3655 results.get(i).filter = null; 3656 } 3657 } 3658 3659 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3660 return results; 3661 } 3662 3663 @Override 3664 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3665 int userId) { 3666 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3667 ComponentName comp = intent.getComponent(); 3668 if (comp == null) { 3669 if (intent.getSelector() != null) { 3670 intent = intent.getSelector(); 3671 comp = intent.getComponent(); 3672 } 3673 } 3674 if (comp != null) { 3675 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3676 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3677 if (ai != null) { 3678 ResolveInfo ri = new ResolveInfo(); 3679 ri.activityInfo = ai; 3680 list.add(ri); 3681 } 3682 return list; 3683 } 3684 3685 // reader 3686 synchronized (mPackages) { 3687 String pkgName = intent.getPackage(); 3688 if (pkgName == null) { 3689 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3690 } 3691 final PackageParser.Package pkg = mPackages.get(pkgName); 3692 if (pkg != null) { 3693 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3694 userId); 3695 } 3696 return null; 3697 } 3698 } 3699 3700 @Override 3701 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3702 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3703 if (!sUserManager.exists(userId)) return null; 3704 if (query != null) { 3705 if (query.size() >= 1) { 3706 // If there is more than one service with the same priority, 3707 // just arbitrarily pick the first one. 3708 return query.get(0); 3709 } 3710 } 3711 return null; 3712 } 3713 3714 @Override 3715 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3716 int userId) { 3717 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3718 ComponentName comp = intent.getComponent(); 3719 if (comp == null) { 3720 if (intent.getSelector() != null) { 3721 intent = intent.getSelector(); 3722 comp = intent.getComponent(); 3723 } 3724 } 3725 if (comp != null) { 3726 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3727 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3728 if (si != null) { 3729 final ResolveInfo ri = new ResolveInfo(); 3730 ri.serviceInfo = si; 3731 list.add(ri); 3732 } 3733 return list; 3734 } 3735 3736 // reader 3737 synchronized (mPackages) { 3738 String pkgName = intent.getPackage(); 3739 if (pkgName == null) { 3740 return mServices.queryIntent(intent, resolvedType, flags, userId); 3741 } 3742 final PackageParser.Package pkg = mPackages.get(pkgName); 3743 if (pkg != null) { 3744 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3745 userId); 3746 } 3747 return null; 3748 } 3749 } 3750 3751 @Override 3752 public List<ResolveInfo> queryIntentContentProviders( 3753 Intent intent, String resolvedType, int flags, int userId) { 3754 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3755 ComponentName comp = intent.getComponent(); 3756 if (comp == null) { 3757 if (intent.getSelector() != null) { 3758 intent = intent.getSelector(); 3759 comp = intent.getComponent(); 3760 } 3761 } 3762 if (comp != null) { 3763 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3764 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3765 if (pi != null) { 3766 final ResolveInfo ri = new ResolveInfo(); 3767 ri.providerInfo = pi; 3768 list.add(ri); 3769 } 3770 return list; 3771 } 3772 3773 // reader 3774 synchronized (mPackages) { 3775 String pkgName = intent.getPackage(); 3776 if (pkgName == null) { 3777 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3778 } 3779 final PackageParser.Package pkg = mPackages.get(pkgName); 3780 if (pkg != null) { 3781 return mProviders.queryIntentForPackage( 3782 intent, resolvedType, flags, pkg.providers, userId); 3783 } 3784 return null; 3785 } 3786 } 3787 3788 @Override 3789 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3790 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3791 3792 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3793 3794 // writer 3795 synchronized (mPackages) { 3796 ArrayList<PackageInfo> list; 3797 if (listUninstalled) { 3798 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3799 for (PackageSetting ps : mSettings.mPackages.values()) { 3800 PackageInfo pi; 3801 if (ps.pkg != null) { 3802 pi = generatePackageInfo(ps.pkg, flags, userId); 3803 } else { 3804 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3805 } 3806 if (pi != null) { 3807 list.add(pi); 3808 } 3809 } 3810 } else { 3811 list = new ArrayList<PackageInfo>(mPackages.size()); 3812 for (PackageParser.Package p : mPackages.values()) { 3813 PackageInfo pi = generatePackageInfo(p, flags, userId); 3814 if (pi != null) { 3815 list.add(pi); 3816 } 3817 } 3818 } 3819 3820 return new ParceledListSlice<PackageInfo>(list); 3821 } 3822 } 3823 3824 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3825 String[] permissions, boolean[] tmp, int flags, int userId) { 3826 int numMatch = 0; 3827 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3828 for (int i=0; i<permissions.length; i++) { 3829 if (gp.grantedPermissions.contains(permissions[i])) { 3830 tmp[i] = true; 3831 numMatch++; 3832 } else { 3833 tmp[i] = false; 3834 } 3835 } 3836 if (numMatch == 0) { 3837 return; 3838 } 3839 PackageInfo pi; 3840 if (ps.pkg != null) { 3841 pi = generatePackageInfo(ps.pkg, flags, userId); 3842 } else { 3843 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3844 } 3845 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3846 if (numMatch == permissions.length) { 3847 pi.requestedPermissions = permissions; 3848 } else { 3849 pi.requestedPermissions = new String[numMatch]; 3850 numMatch = 0; 3851 for (int i=0; i<permissions.length; i++) { 3852 if (tmp[i]) { 3853 pi.requestedPermissions[numMatch] = permissions[i]; 3854 numMatch++; 3855 } 3856 } 3857 } 3858 } 3859 list.add(pi); 3860 } 3861 3862 @Override 3863 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3864 String[] permissions, int flags, int userId) { 3865 if (!sUserManager.exists(userId)) return null; 3866 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3867 3868 // writer 3869 synchronized (mPackages) { 3870 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3871 boolean[] tmpBools = new boolean[permissions.length]; 3872 if (listUninstalled) { 3873 for (PackageSetting ps : mSettings.mPackages.values()) { 3874 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3875 } 3876 } else { 3877 for (PackageParser.Package pkg : mPackages.values()) { 3878 PackageSetting ps = (PackageSetting)pkg.mExtras; 3879 if (ps != null) { 3880 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3881 userId); 3882 } 3883 } 3884 } 3885 3886 return new ParceledListSlice<PackageInfo>(list); 3887 } 3888 } 3889 3890 @Override 3891 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3892 if (!sUserManager.exists(userId)) return null; 3893 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3894 3895 // writer 3896 synchronized (mPackages) { 3897 ArrayList<ApplicationInfo> list; 3898 if (listUninstalled) { 3899 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3900 for (PackageSetting ps : mSettings.mPackages.values()) { 3901 ApplicationInfo ai; 3902 if (ps.pkg != null) { 3903 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3904 ps.readUserState(userId), userId); 3905 } else { 3906 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3907 } 3908 if (ai != null) { 3909 list.add(ai); 3910 } 3911 } 3912 } else { 3913 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3914 for (PackageParser.Package p : mPackages.values()) { 3915 if (p.mExtras != null) { 3916 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3917 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3918 if (ai != null) { 3919 list.add(ai); 3920 } 3921 } 3922 } 3923 } 3924 3925 return new ParceledListSlice<ApplicationInfo>(list); 3926 } 3927 } 3928 3929 public List<ApplicationInfo> getPersistentApplications(int flags) { 3930 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3931 3932 // reader 3933 synchronized (mPackages) { 3934 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3935 final int userId = UserHandle.getCallingUserId(); 3936 while (i.hasNext()) { 3937 final PackageParser.Package p = i.next(); 3938 if (p.applicationInfo != null 3939 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3940 && (!mSafeMode || isSystemApp(p))) { 3941 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3942 if (ps != null) { 3943 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3944 ps.readUserState(userId), userId); 3945 if (ai != null) { 3946 finalList.add(ai); 3947 } 3948 } 3949 } 3950 } 3951 } 3952 3953 return finalList; 3954 } 3955 3956 @Override 3957 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3958 if (!sUserManager.exists(userId)) return null; 3959 // reader 3960 synchronized (mPackages) { 3961 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3962 PackageSetting ps = provider != null 3963 ? mSettings.mPackages.get(provider.owner.packageName) 3964 : null; 3965 return ps != null 3966 && mSettings.isEnabledLPr(provider.info, flags, userId) 3967 && (!mSafeMode || (provider.info.applicationInfo.flags 3968 &ApplicationInfo.FLAG_SYSTEM) != 0) 3969 ? PackageParser.generateProviderInfo(provider, flags, 3970 ps.readUserState(userId), userId) 3971 : null; 3972 } 3973 } 3974 3975 /** 3976 * @deprecated 3977 */ 3978 @Deprecated 3979 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3980 // reader 3981 synchronized (mPackages) { 3982 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3983 .entrySet().iterator(); 3984 final int userId = UserHandle.getCallingUserId(); 3985 while (i.hasNext()) { 3986 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3987 PackageParser.Provider p = entry.getValue(); 3988 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3989 3990 if (ps != null && p.syncable 3991 && (!mSafeMode || (p.info.applicationInfo.flags 3992 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3993 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3994 ps.readUserState(userId), userId); 3995 if (info != null) { 3996 outNames.add(entry.getKey()); 3997 outInfo.add(info); 3998 } 3999 } 4000 } 4001 } 4002 } 4003 4004 @Override 4005 public List<ProviderInfo> queryContentProviders(String processName, 4006 int uid, int flags) { 4007 ArrayList<ProviderInfo> finalList = null; 4008 // reader 4009 synchronized (mPackages) { 4010 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4011 final int userId = processName != null ? 4012 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4013 while (i.hasNext()) { 4014 final PackageParser.Provider p = i.next(); 4015 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4016 if (ps != null && p.info.authority != null 4017 && (processName == null 4018 || (p.info.processName.equals(processName) 4019 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4020 && mSettings.isEnabledLPr(p.info, flags, userId) 4021 && (!mSafeMode 4022 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4023 if (finalList == null) { 4024 finalList = new ArrayList<ProviderInfo>(3); 4025 } 4026 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4027 ps.readUserState(userId), userId); 4028 if (info != null) { 4029 finalList.add(info); 4030 } 4031 } 4032 } 4033 } 4034 4035 if (finalList != null) { 4036 Collections.sort(finalList, mProviderInitOrderSorter); 4037 } 4038 4039 return finalList; 4040 } 4041 4042 @Override 4043 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4044 int flags) { 4045 // reader 4046 synchronized (mPackages) { 4047 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4048 return PackageParser.generateInstrumentationInfo(i, flags); 4049 } 4050 } 4051 4052 @Override 4053 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4054 int flags) { 4055 ArrayList<InstrumentationInfo> finalList = 4056 new ArrayList<InstrumentationInfo>(); 4057 4058 // reader 4059 synchronized (mPackages) { 4060 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4061 while (i.hasNext()) { 4062 final PackageParser.Instrumentation p = i.next(); 4063 if (targetPackage == null 4064 || targetPackage.equals(p.info.targetPackage)) { 4065 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4066 flags); 4067 if (ii != null) { 4068 finalList.add(ii); 4069 } 4070 } 4071 } 4072 } 4073 4074 return finalList; 4075 } 4076 4077 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4078 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4079 if (overlays == null) { 4080 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4081 return; 4082 } 4083 for (PackageParser.Package opkg : overlays.values()) { 4084 // Not much to do if idmap fails: we already logged the error 4085 // and we certainly don't want to abort installation of pkg simply 4086 // because an overlay didn't fit properly. For these reasons, 4087 // ignore the return value of createIdmapForPackagePairLI. 4088 createIdmapForPackagePairLI(pkg, opkg); 4089 } 4090 } 4091 4092 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4093 PackageParser.Package opkg) { 4094 if (!opkg.mTrustedOverlay) { 4095 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 4096 opkg.mScanPath + ": overlay not trusted"); 4097 return false; 4098 } 4099 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4100 if (overlaySet == null) { 4101 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 4102 opkg.mScanPath + " but target package has no known overlays"); 4103 return false; 4104 } 4105 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4106 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 4107 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 4108 return false; 4109 } 4110 PackageParser.Package[] overlayArray = 4111 overlaySet.values().toArray(new PackageParser.Package[0]); 4112 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4113 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4114 return p1.mOverlayPriority - p2.mOverlayPriority; 4115 } 4116 }; 4117 Arrays.sort(overlayArray, cmp); 4118 4119 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4120 int i = 0; 4121 for (PackageParser.Package p : overlayArray) { 4122 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 4123 } 4124 return true; 4125 } 4126 4127 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4128 String[] files = dir.list(); 4129 if (files == null) { 4130 Log.d(TAG, "No files in app dir " + dir); 4131 return; 4132 } 4133 4134 if (DEBUG_PACKAGE_SCANNING) { 4135 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4136 + " flags=0x" + Integer.toHexString(flags)); 4137 } 4138 4139 int i; 4140 for (i=0; i<files.length; i++) { 4141 File file = new File(dir, files[i]); 4142 if (!isPackageFilename(files[i])) { 4143 // Ignore entries which are not apk's 4144 continue; 4145 } 4146 PackageParser.Package pkg = scanPackageLI(file, 4147 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 4148 // Don't mess around with apps in system partition. 4149 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4150 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 4151 // Delete the apk 4152 Slog.w(TAG, "Cleaning up failed install of " + file); 4153 file.delete(); 4154 } 4155 } 4156 } 4157 4158 private static File getSettingsProblemFile() { 4159 File dataDir = Environment.getDataDirectory(); 4160 File systemDir = new File(dataDir, "system"); 4161 File fname = new File(systemDir, "uiderrors.txt"); 4162 return fname; 4163 } 4164 4165 static void reportSettingsProblem(int priority, String msg) { 4166 try { 4167 File fname = getSettingsProblemFile(); 4168 FileOutputStream out = new FileOutputStream(fname, true); 4169 PrintWriter pw = new FastPrintWriter(out); 4170 SimpleDateFormat formatter = new SimpleDateFormat(); 4171 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4172 pw.println(dateString + ": " + msg); 4173 pw.close(); 4174 FileUtils.setPermissions( 4175 fname.toString(), 4176 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4177 -1, -1); 4178 } catch (java.io.IOException e) { 4179 } 4180 Slog.println(priority, TAG, msg); 4181 } 4182 4183 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 4184 PackageParser.Package pkg, File srcFile, int parseFlags) { 4185 if (ps != null 4186 && ps.codePath.equals(srcFile) 4187 && ps.timeStamp == srcFile.lastModified() 4188 && !isCompatSignatureUpdateNeeded(pkg)) { 4189 if (ps.signatures.mSignatures != null 4190 && ps.signatures.mSignatures.length != 0) { 4191 // Optimization: reuse the existing cached certificates 4192 // if the package appears to be unchanged. 4193 pkg.mSignatures = ps.signatures.mSignatures; 4194 return true; 4195 } 4196 4197 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4198 } else { 4199 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4200 } 4201 4202 if (!pp.collectCertificates(pkg, parseFlags)) { 4203 mLastScanError = pp.getParseError(); 4204 return false; 4205 } 4206 return true; 4207 } 4208 4209 /* 4210 * Scan a package and return the newly parsed package. 4211 * Returns null in case of errors and the error code is stored in mLastScanError 4212 */ 4213 private PackageParser.Package scanPackageLI(File scanFile, 4214 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4215 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4216 String scanPath = scanFile.getPath(); 4217 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4218 parseFlags |= mDefParseFlags; 4219 PackageParser pp = new PackageParser(scanPath); 4220 pp.setSeparateProcesses(mSeparateProcesses); 4221 pp.setOnlyCoreApps(mOnlyCore); 4222 final PackageParser.Package pkg = pp.parsePackage(scanFile, 4223 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 4224 4225 if (pkg == null) { 4226 mLastScanError = pp.getParseError(); 4227 return null; 4228 } 4229 4230 PackageSetting ps = null; 4231 PackageSetting updatedPkg; 4232 // reader 4233 synchronized (mPackages) { 4234 // Look to see if we already know about this package. 4235 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4236 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4237 // This package has been renamed to its original name. Let's 4238 // use that. 4239 ps = mSettings.peekPackageLPr(oldName); 4240 } 4241 // If there was no original package, see one for the real package name. 4242 if (ps == null) { 4243 ps = mSettings.peekPackageLPr(pkg.packageName); 4244 } 4245 // Check to see if this package could be hiding/updating a system 4246 // package. Must look for it either under the original or real 4247 // package name depending on our state. 4248 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4249 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4250 } 4251 boolean updatedPkgBetter = false; 4252 // First check if this is a system package that may involve an update 4253 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4254 if (ps != null && !ps.codePath.equals(scanFile)) { 4255 // The path has changed from what was last scanned... check the 4256 // version of the new path against what we have stored to determine 4257 // what to do. 4258 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4259 if (pkg.mVersionCode < ps.versionCode) { 4260 // The system package has been updated and the code path does not match 4261 // Ignore entry. Skip it. 4262 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4263 + " ignored: updated version " + ps.versionCode 4264 + " better than this " + pkg.mVersionCode); 4265 if (!updatedPkg.codePath.equals(scanFile)) { 4266 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4267 + ps.name + " changing from " + updatedPkg.codePathString 4268 + " to " + scanFile); 4269 updatedPkg.codePath = scanFile; 4270 updatedPkg.codePathString = scanFile.toString(); 4271 // This is the point at which we know that the system-disk APK 4272 // for this package has moved during a reboot (e.g. due to an OTA), 4273 // so we need to reevaluate it for privilege policy. 4274 if (locationIsPrivileged(scanFile)) { 4275 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4276 } 4277 } 4278 updatedPkg.pkg = pkg; 4279 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4280 return null; 4281 } else { 4282 // The current app on the system partion is better than 4283 // what we have updated to on the data partition; switch 4284 // back to the system partition version. 4285 // At this point, its safely assumed that package installation for 4286 // apps in system partition will go through. If not there won't be a working 4287 // version of the app 4288 // writer 4289 synchronized (mPackages) { 4290 // Just remove the loaded entries from package lists. 4291 mPackages.remove(ps.name); 4292 } 4293 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4294 + "reverting from " + ps.codePathString 4295 + ": new version " + pkg.mVersionCode 4296 + " better than installed " + ps.versionCode); 4297 4298 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4299 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4300 getAppInstructionSetFromSettings(ps)); 4301 synchronized (mInstallLock) { 4302 args.cleanUpResourcesLI(); 4303 } 4304 synchronized (mPackages) { 4305 mSettings.enableSystemPackageLPw(ps.name); 4306 } 4307 updatedPkgBetter = true; 4308 } 4309 } 4310 } 4311 4312 if (updatedPkg != null) { 4313 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4314 // initially 4315 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4316 4317 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4318 // flag set initially 4319 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4320 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4321 } 4322 } 4323 // Verify certificates against what was last scanned 4324 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4325 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4326 return null; 4327 } 4328 4329 /* 4330 * A new system app appeared, but we already had a non-system one of the 4331 * same name installed earlier. 4332 */ 4333 boolean shouldHideSystemApp = false; 4334 if (updatedPkg == null && ps != null 4335 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4336 /* 4337 * Check to make sure the signatures match first. If they don't, 4338 * wipe the installed application and its data. 4339 */ 4340 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4341 != PackageManager.SIGNATURE_MATCH) { 4342 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4343 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4344 ps = null; 4345 } else { 4346 /* 4347 * If the newly-added system app is an older version than the 4348 * already installed version, hide it. It will be scanned later 4349 * and re-added like an update. 4350 */ 4351 if (pkg.mVersionCode < ps.versionCode) { 4352 shouldHideSystemApp = true; 4353 } else { 4354 /* 4355 * The newly found system app is a newer version that the 4356 * one previously installed. Simply remove the 4357 * already-installed application and replace it with our own 4358 * while keeping the application data. 4359 */ 4360 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4361 + ps.codePathString + ": new version " + pkg.mVersionCode 4362 + " better than installed " + ps.versionCode); 4363 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4364 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4365 getAppInstructionSetFromSettings(ps)); 4366 synchronized (mInstallLock) { 4367 args.cleanUpResourcesLI(); 4368 } 4369 } 4370 } 4371 } 4372 4373 // The apk is forward locked (not public) if its code and resources 4374 // are kept in different files. (except for app in either system or 4375 // vendor path). 4376 // TODO grab this value from PackageSettings 4377 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4378 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4379 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4380 } 4381 } 4382 4383 String codePath = null; 4384 String resPath = null; 4385 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4386 if (ps != null && ps.resourcePathString != null) { 4387 resPath = ps.resourcePathString; 4388 } else { 4389 // Should not happen at all. Just log an error. 4390 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4391 } 4392 } else { 4393 resPath = pkg.mScanPath; 4394 } 4395 4396 codePath = pkg.mScanPath; 4397 // Set application objects path explicitly. 4398 setApplicationInfoPaths(pkg, codePath, resPath); 4399 // Note that we invoke the following method only if we are about to unpack an application 4400 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4401 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4402 4403 /* 4404 * If the system app should be overridden by a previously installed 4405 * data, hide the system app now and let the /data/app scan pick it up 4406 * again. 4407 */ 4408 if (shouldHideSystemApp) { 4409 synchronized (mPackages) { 4410 /* 4411 * We have to grant systems permissions before we hide, because 4412 * grantPermissions will assume the package update is trying to 4413 * expand its permissions. 4414 */ 4415 grantPermissionsLPw(pkg, true); 4416 mSettings.disableSystemPackageLPw(pkg.packageName); 4417 } 4418 } 4419 4420 return scannedPkg; 4421 } 4422 4423 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4424 String destResPath) { 4425 pkg.mPath = pkg.mScanPath = destCodePath; 4426 pkg.applicationInfo.sourceDir = destCodePath; 4427 pkg.applicationInfo.publicSourceDir = destResPath; 4428 } 4429 4430 private static String fixProcessName(String defProcessName, 4431 String processName, int uid) { 4432 if (processName == null) { 4433 return defProcessName; 4434 } 4435 return processName; 4436 } 4437 4438 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4439 if (pkgSetting.signatures.mSignatures != null) { 4440 // Already existing package. Make sure signatures match 4441 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4442 == PackageManager.SIGNATURE_MATCH; 4443 if (!match) { 4444 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4445 == PackageManager.SIGNATURE_MATCH; 4446 } 4447 if (!match) { 4448 Slog.e(TAG, "Package " + pkg.packageName 4449 + " signatures do not match the previously installed version; ignoring!"); 4450 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4451 return false; 4452 } 4453 } 4454 // Check for shared user signatures 4455 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4456 // Already existing package. Make sure signatures match 4457 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4458 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4459 if (!match) { 4460 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4461 == PackageManager.SIGNATURE_MATCH; 4462 } 4463 if (!match) { 4464 Slog.e(TAG, "Package " + pkg.packageName 4465 + " has no signatures that match those in shared user " 4466 + pkgSetting.sharedUser.name + "; ignoring!"); 4467 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4468 return false; 4469 } 4470 } 4471 return true; 4472 } 4473 4474 /** 4475 * Enforces that only the system UID or root's UID can call a method exposed 4476 * via Binder. 4477 * 4478 * @param message used as message if SecurityException is thrown 4479 * @throws SecurityException if the caller is not system or root 4480 */ 4481 private static final void enforceSystemOrRoot(String message) { 4482 final int uid = Binder.getCallingUid(); 4483 if (uid != Process.SYSTEM_UID && uid != 0) { 4484 throw new SecurityException(message); 4485 } 4486 } 4487 4488 @Override 4489 public void performBootDexOpt() { 4490 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4491 4492 final HashSet<PackageParser.Package> pkgs; 4493 synchronized (mPackages) { 4494 pkgs = mDeferredDexOpt; 4495 mDeferredDexOpt = null; 4496 } 4497 4498 if (pkgs != null) { 4499 // Filter out packages that aren't recently used. 4500 // 4501 // The exception is first boot of a non-eng device, which 4502 // should do a full dexopt. 4503 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4504 if (eng || !isFirstBoot()) { 4505 // TODO: add a property to control this? 4506 long dexOptLRUThresholdInMinutes; 4507 if (eng) { 4508 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4509 } else { 4510 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4511 } 4512 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4513 4514 int total = pkgs.size(); 4515 int skipped = 0; 4516 long now = System.currentTimeMillis(); 4517 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4518 PackageParser.Package pkg = i.next(); 4519 long then = pkg.mLastPackageUsageTimeInMills; 4520 if (then + dexOptLRUThresholdInMills < now) { 4521 if (DEBUG_DEXOPT) { 4522 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4523 ((then == 0) ? "never" : new Date(then))); 4524 } 4525 i.remove(); 4526 skipped++; 4527 } 4528 } 4529 if (DEBUG_DEXOPT) { 4530 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4531 } 4532 } 4533 4534 int i = 0; 4535 for (PackageParser.Package pkg : pkgs) { 4536 i++; 4537 if (DEBUG_DEXOPT) { 4538 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4539 + ": " + pkg.packageName); 4540 } 4541 if (!isFirstBoot()) { 4542 try { 4543 ActivityManagerNative.getDefault().showBootMessage( 4544 mContext.getResources().getString( 4545 R.string.android_upgrading_apk, 4546 i, pkgs.size()), true); 4547 } catch (RemoteException e) { 4548 } 4549 } 4550 PackageParser.Package p = pkg; 4551 synchronized (mInstallLock) { 4552 if (p.mDexOptNeeded) { 4553 performDexOptLI(p, false /* force dex */, false /* defer */, 4554 true /* include dependencies */); 4555 } 4556 } 4557 } 4558 } 4559 } 4560 4561 @Override 4562 public boolean performDexOpt(String packageName) { 4563 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4564 return performDexOpt(packageName, true); 4565 } 4566 4567 public boolean performDexOpt(String packageName, boolean updateUsage) { 4568 4569 PackageParser.Package p; 4570 synchronized (mPackages) { 4571 p = mPackages.get(packageName); 4572 if (p == null) { 4573 return false; 4574 } 4575 if (updateUsage) { 4576 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4577 } 4578 mPackageUsage.write(false); 4579 if (!p.mDexOptNeeded) { 4580 return false; 4581 } 4582 } 4583 4584 synchronized (mInstallLock) { 4585 return performDexOptLI(p, false /* force dex */, false /* defer */, 4586 true /* include dependencies */) == DEX_OPT_PERFORMED; 4587 } 4588 } 4589 4590 public HashSet<String> getPackagesThatNeedDexOpt() { 4591 HashSet<String> pkgs = null; 4592 synchronized (mPackages) { 4593 for (PackageParser.Package p : mPackages.values()) { 4594 if (DEBUG_DEXOPT) { 4595 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4596 } 4597 if (!p.mDexOptNeeded) { 4598 continue; 4599 } 4600 if (pkgs == null) { 4601 pkgs = new HashSet<String>(); 4602 } 4603 pkgs.add(p.packageName); 4604 } 4605 } 4606 return pkgs; 4607 } 4608 4609 public void shutdown() { 4610 mPackageUsage.write(true); 4611 } 4612 4613 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4614 boolean forceDex, boolean defer, HashSet<String> done) { 4615 for (int i=0; i<libs.size(); i++) { 4616 PackageParser.Package libPkg; 4617 String libName; 4618 synchronized (mPackages) { 4619 libName = libs.get(i); 4620 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4621 if (lib != null && lib.apk != null) { 4622 libPkg = mPackages.get(lib.apk); 4623 } else { 4624 libPkg = null; 4625 } 4626 } 4627 if (libPkg != null && !done.contains(libName)) { 4628 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4629 } 4630 } 4631 } 4632 4633 static final int DEX_OPT_SKIPPED = 0; 4634 static final int DEX_OPT_PERFORMED = 1; 4635 static final int DEX_OPT_DEFERRED = 2; 4636 static final int DEX_OPT_FAILED = -1; 4637 4638 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4639 boolean forceDex, boolean defer, HashSet<String> done) { 4640 final String instructionSet = instructionSetOverride != null ? 4641 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4642 4643 if (done != null) { 4644 done.add(pkg.packageName); 4645 if (pkg.usesLibraries != null) { 4646 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4647 } 4648 if (pkg.usesOptionalLibraries != null) { 4649 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4650 } 4651 } 4652 4653 boolean performed = false; 4654 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4655 String path = pkg.mScanPath; 4656 try { 4657 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4658 pkg.packageName, 4659 instructionSet, 4660 defer); 4661 // There are three basic cases here: 4662 // 1.) we need to dexopt, either because we are forced or it is needed 4663 // 2.) we are defering a needed dexopt 4664 // 3.) we are skipping an unneeded dexopt 4665 if (forceDex || (!defer && isDexOptNeededInternal)) { 4666 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4667 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4668 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4669 pkg.packageName, instructionSet); 4670 // Note that we ran dexopt, since rerunning will 4671 // probably just result in an error again. 4672 pkg.mDexOptNeeded = false; 4673 if (ret < 0) { 4674 return DEX_OPT_FAILED; 4675 } 4676 return DEX_OPT_PERFORMED; 4677 } 4678 if (defer && isDexOptNeededInternal) { 4679 if (mDeferredDexOpt == null) { 4680 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4681 } 4682 mDeferredDexOpt.add(pkg); 4683 return DEX_OPT_DEFERRED; 4684 } 4685 pkg.mDexOptNeeded = false; 4686 return DEX_OPT_SKIPPED; 4687 } catch (FileNotFoundException e) { 4688 Slog.w(TAG, "Apk not found for dexopt: " + path); 4689 return DEX_OPT_FAILED; 4690 } catch (IOException e) { 4691 Slog.w(TAG, "IOException reading apk: " + path, e); 4692 return DEX_OPT_FAILED; 4693 } catch (StaleDexCacheError e) { 4694 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4695 return DEX_OPT_FAILED; 4696 } catch (Exception e) { 4697 Slog.w(TAG, "Exception when doing dexopt : ", e); 4698 return DEX_OPT_FAILED; 4699 } 4700 } 4701 return DEX_OPT_SKIPPED; 4702 } 4703 4704 private String getAppInstructionSet(ApplicationInfo info) { 4705 String instructionSet = getPreferredInstructionSet(); 4706 4707 if (info.requiredCpuAbi != null) { 4708 instructionSet = VMRuntime.getInstructionSet(info.requiredCpuAbi); 4709 } 4710 4711 return instructionSet; 4712 } 4713 4714 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4715 String instructionSet = getPreferredInstructionSet(); 4716 4717 if (ps.requiredCpuAbiString != null) { 4718 instructionSet = VMRuntime.getInstructionSet(ps.requiredCpuAbiString); 4719 } 4720 4721 return instructionSet; 4722 } 4723 4724 private static String getPreferredInstructionSet() { 4725 if (sPreferredInstructionSet == null) { 4726 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4727 } 4728 4729 return sPreferredInstructionSet; 4730 } 4731 4732 private static List<String> getAllInstructionSets() { 4733 final String[] allAbis = Build.SUPPORTED_ABIS; 4734 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4735 4736 for (String abi : allAbis) { 4737 final String instructionSet = VMRuntime.getInstructionSet(abi); 4738 if (!allInstructionSets.contains(instructionSet)) { 4739 allInstructionSets.add(instructionSet); 4740 } 4741 } 4742 4743 return allInstructionSets; 4744 } 4745 4746 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4747 boolean inclDependencies) { 4748 HashSet<String> done; 4749 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4750 done = new HashSet<String>(); 4751 done.add(pkg.packageName); 4752 } else { 4753 done = null; 4754 } 4755 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4756 } 4757 4758 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4759 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4760 Slog.w(TAG, "Unable to update from " + oldPkg.name 4761 + " to " + newPkg.packageName 4762 + ": old package not in system partition"); 4763 return false; 4764 } else if (mPackages.get(oldPkg.name) != null) { 4765 Slog.w(TAG, "Unable to update from " + oldPkg.name 4766 + " to " + newPkg.packageName 4767 + ": old package still exists"); 4768 return false; 4769 } 4770 return true; 4771 } 4772 4773 File getDataPathForUser(int userId) { 4774 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4775 } 4776 4777 private File getDataPathForPackage(String packageName, int userId) { 4778 /* 4779 * Until we fully support multiple users, return the directory we 4780 * previously would have. The PackageManagerTests will need to be 4781 * revised when this is changed back.. 4782 */ 4783 if (userId == 0) { 4784 return new File(mAppDataDir, packageName); 4785 } else { 4786 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4787 + File.separator + packageName); 4788 } 4789 } 4790 4791 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4792 int[] users = sUserManager.getUserIds(); 4793 int res = mInstaller.install(packageName, uid, uid, seinfo); 4794 if (res < 0) { 4795 return res; 4796 } 4797 for (int user : users) { 4798 if (user != 0) { 4799 res = mInstaller.createUserData(packageName, 4800 UserHandle.getUid(user, uid), user, seinfo); 4801 if (res < 0) { 4802 return res; 4803 } 4804 } 4805 } 4806 return res; 4807 } 4808 4809 private int removeDataDirsLI(String packageName) { 4810 int[] users = sUserManager.getUserIds(); 4811 int res = 0; 4812 for (int user : users) { 4813 int resInner = mInstaller.remove(packageName, user); 4814 if (resInner < 0) { 4815 res = resInner; 4816 } 4817 } 4818 4819 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4820 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4821 if (!nativeLibraryFile.delete()) { 4822 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4823 } 4824 4825 return res; 4826 } 4827 4828 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4829 PackageParser.Package changingLib) { 4830 if (file.path != null) { 4831 mTmpSharedLibraries[num] = file.path; 4832 return num+1; 4833 } 4834 PackageParser.Package p = mPackages.get(file.apk); 4835 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4836 // If we are doing this while in the middle of updating a library apk, 4837 // then we need to make sure to use that new apk for determining the 4838 // dependencies here. (We haven't yet finished committing the new apk 4839 // to the package manager state.) 4840 if (p == null || p.packageName.equals(changingLib.packageName)) { 4841 p = changingLib; 4842 } 4843 } 4844 if (p != null) { 4845 String path = p.mPath; 4846 for (int i=0; i<num; i++) { 4847 if (mTmpSharedLibraries[i].equals(path)) { 4848 return num; 4849 } 4850 } 4851 mTmpSharedLibraries[num] = p.mPath; 4852 return num+1; 4853 } 4854 return num; 4855 } 4856 4857 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4858 PackageParser.Package changingLib) { 4859 // We might be upgrading from a version of the platform that did not 4860 // provide per-package native library directories for system apps. 4861 // Fix that up here. 4862 if (isSystemApp(pkg)) { 4863 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4864 setInternalAppNativeLibraryPath(pkg, ps); 4865 } 4866 4867 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4868 if (mTmpSharedLibraries == null || 4869 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4870 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4871 } 4872 int num = 0; 4873 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4874 for (int i=0; i<N; i++) { 4875 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4876 if (file == null) { 4877 Slog.e(TAG, "Package " + pkg.packageName 4878 + " requires unavailable shared library " 4879 + pkg.usesLibraries.get(i) + "; failing!"); 4880 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4881 return false; 4882 } 4883 num = addSharedLibraryLPw(file, num, changingLib); 4884 } 4885 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4886 for (int i=0; i<N; i++) { 4887 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4888 if (file == null) { 4889 Slog.w(TAG, "Package " + pkg.packageName 4890 + " desires unavailable shared library " 4891 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4892 } else { 4893 num = addSharedLibraryLPw(file, num, changingLib); 4894 } 4895 } 4896 if (num > 0) { 4897 pkg.usesLibraryFiles = new String[num]; 4898 System.arraycopy(mTmpSharedLibraries, 0, 4899 pkg.usesLibraryFiles, 0, num); 4900 } else { 4901 pkg.usesLibraryFiles = null; 4902 } 4903 } 4904 return true; 4905 } 4906 4907 private static boolean hasString(List<String> list, List<String> which) { 4908 if (list == null) { 4909 return false; 4910 } 4911 for (int i=list.size()-1; i>=0; i--) { 4912 for (int j=which.size()-1; j>=0; j--) { 4913 if (which.get(j).equals(list.get(i))) { 4914 return true; 4915 } 4916 } 4917 } 4918 return false; 4919 } 4920 4921 private void updateAllSharedLibrariesLPw() { 4922 for (PackageParser.Package pkg : mPackages.values()) { 4923 updateSharedLibrariesLPw(pkg, null); 4924 } 4925 } 4926 4927 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4928 PackageParser.Package changingPkg) { 4929 ArrayList<PackageParser.Package> res = null; 4930 for (PackageParser.Package pkg : mPackages.values()) { 4931 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4932 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4933 if (res == null) { 4934 res = new ArrayList<PackageParser.Package>(); 4935 } 4936 res.add(pkg); 4937 updateSharedLibrariesLPw(pkg, changingPkg); 4938 } 4939 } 4940 return res; 4941 } 4942 4943 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4944 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4945 File scanFile = new File(pkg.mScanPath); 4946 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4947 pkg.applicationInfo.publicSourceDir == null) { 4948 // Bail out. The resource and code paths haven't been set. 4949 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4950 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4951 return null; 4952 } 4953 4954 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4955 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4956 } 4957 4958 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4959 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4960 } 4961 4962 if (mCustomResolverComponentName != null && 4963 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4964 setUpCustomResolverActivity(pkg); 4965 } 4966 4967 if (pkg.packageName.equals("android")) { 4968 synchronized (mPackages) { 4969 if (mAndroidApplication != null) { 4970 Slog.w(TAG, "*************************************************"); 4971 Slog.w(TAG, "Core android package being redefined. Skipping."); 4972 Slog.w(TAG, " file=" + scanFile); 4973 Slog.w(TAG, "*************************************************"); 4974 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4975 return null; 4976 } 4977 4978 // Set up information for our fall-back user intent resolution activity. 4979 mPlatformPackage = pkg; 4980 pkg.mVersionCode = mSdkVersion; 4981 mAndroidApplication = pkg.applicationInfo; 4982 4983 if (!mResolverReplaced) { 4984 mResolveActivity.applicationInfo = mAndroidApplication; 4985 mResolveActivity.name = ResolverActivity.class.getName(); 4986 mResolveActivity.packageName = mAndroidApplication.packageName; 4987 mResolveActivity.processName = "system:ui"; 4988 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4989 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4990 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4991 mResolveActivity.exported = true; 4992 mResolveActivity.enabled = true; 4993 mResolveInfo.activityInfo = mResolveActivity; 4994 mResolveInfo.priority = 0; 4995 mResolveInfo.preferredOrder = 0; 4996 mResolveInfo.match = 0; 4997 mResolveComponentName = new ComponentName( 4998 mAndroidApplication.packageName, mResolveActivity.name); 4999 } 5000 } 5001 } 5002 5003 if (DEBUG_PACKAGE_SCANNING) { 5004 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5005 Log.d(TAG, "Scanning package " + pkg.packageName); 5006 } 5007 5008 if (mPackages.containsKey(pkg.packageName) 5009 || mSharedLibraries.containsKey(pkg.packageName)) { 5010 Slog.w(TAG, "Application package " + pkg.packageName 5011 + " already installed. Skipping duplicate."); 5012 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 5013 return null; 5014 } 5015 5016 // Initialize package source and resource directories 5017 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 5018 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 5019 5020 SharedUserSetting suid = null; 5021 PackageSetting pkgSetting = null; 5022 5023 if (!isSystemApp(pkg)) { 5024 // Only system apps can use these features. 5025 pkg.mOriginalPackages = null; 5026 pkg.mRealPackage = null; 5027 pkg.mAdoptPermissions = null; 5028 } 5029 5030 // writer 5031 synchronized (mPackages) { 5032 if (pkg.mSharedUserId != null) { 5033 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5034 if (suid == null) { 5035 Slog.w(TAG, "Creating application package " + pkg.packageName 5036 + " for shared user failed"); 5037 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5038 return null; 5039 } 5040 if (DEBUG_PACKAGE_SCANNING) { 5041 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5042 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5043 + "): packages=" + suid.packages); 5044 } 5045 } 5046 5047 // Check if we are renaming from an original package name. 5048 PackageSetting origPackage = null; 5049 String realName = null; 5050 if (pkg.mOriginalPackages != null) { 5051 // This package may need to be renamed to a previously 5052 // installed name. Let's check on that... 5053 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5054 if (pkg.mOriginalPackages.contains(renamed)) { 5055 // This package had originally been installed as the 5056 // original name, and we have already taken care of 5057 // transitioning to the new one. Just update the new 5058 // one to continue using the old name. 5059 realName = pkg.mRealPackage; 5060 if (!pkg.packageName.equals(renamed)) { 5061 // Callers into this function may have already taken 5062 // care of renaming the package; only do it here if 5063 // it is not already done. 5064 pkg.setPackageName(renamed); 5065 } 5066 5067 } else { 5068 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5069 if ((origPackage = mSettings.peekPackageLPr( 5070 pkg.mOriginalPackages.get(i))) != null) { 5071 // We do have the package already installed under its 5072 // original name... should we use it? 5073 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5074 // New package is not compatible with original. 5075 origPackage = null; 5076 continue; 5077 } else if (origPackage.sharedUser != null) { 5078 // Make sure uid is compatible between packages. 5079 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5080 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5081 + " to " + pkg.packageName + ": old uid " 5082 + origPackage.sharedUser.name 5083 + " differs from " + pkg.mSharedUserId); 5084 origPackage = null; 5085 continue; 5086 } 5087 } else { 5088 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5089 + pkg.packageName + " to old name " + origPackage.name); 5090 } 5091 break; 5092 } 5093 } 5094 } 5095 } 5096 5097 if (mTransferedPackages.contains(pkg.packageName)) { 5098 Slog.w(TAG, "Package " + pkg.packageName 5099 + " was transferred to another, but its .apk remains"); 5100 } 5101 5102 // Just create the setting, don't add it yet. For already existing packages 5103 // the PkgSetting exists already and doesn't have to be created. 5104 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5105 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 5106 pkg.applicationInfo.requiredCpuAbi, 5107 pkg.applicationInfo.flags, user, false); 5108 if (pkgSetting == null) { 5109 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5110 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5111 return null; 5112 } 5113 5114 if (pkgSetting.origPackage != null) { 5115 // If we are first transitioning from an original package, 5116 // fix up the new package's name now. We need to do this after 5117 // looking up the package under its new name, so getPackageLP 5118 // can take care of fiddling things correctly. 5119 pkg.setPackageName(origPackage.name); 5120 5121 // File a report about this. 5122 String msg = "New package " + pkgSetting.realName 5123 + " renamed to replace old package " + pkgSetting.name; 5124 reportSettingsProblem(Log.WARN, msg); 5125 5126 // Make a note of it. 5127 mTransferedPackages.add(origPackage.name); 5128 5129 // No longer need to retain this. 5130 pkgSetting.origPackage = null; 5131 } 5132 5133 if (realName != null) { 5134 // Make a note of it. 5135 mTransferedPackages.add(pkg.packageName); 5136 } 5137 5138 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5139 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5140 } 5141 5142 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5143 // Check all shared libraries and map to their actual file path. 5144 // We only do this here for apps not on a system dir, because those 5145 // are the only ones that can fail an install due to this. We 5146 // will take care of the system apps by updating all of their 5147 // library paths after the scan is done. 5148 if (!updateSharedLibrariesLPw(pkg, null)) { 5149 return null; 5150 } 5151 } 5152 5153 if (mFoundPolicyFile) { 5154 SELinuxMMAC.assignSeinfoValue(pkg); 5155 } 5156 5157 pkg.applicationInfo.uid = pkgSetting.appId; 5158 pkg.mExtras = pkgSetting; 5159 5160 if (!verifySignaturesLP(pkgSetting, pkg)) { 5161 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5162 return null; 5163 } 5164 // The signature has changed, but this package is in the system 5165 // image... let's recover! 5166 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5167 // However... if this package is part of a shared user, but it 5168 // doesn't match the signature of the shared user, let's fail. 5169 // What this means is that you can't change the signatures 5170 // associated with an overall shared user, which doesn't seem all 5171 // that unreasonable. 5172 if (pkgSetting.sharedUser != null) { 5173 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5174 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5175 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5176 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5177 return null; 5178 } 5179 } 5180 // File a report about this. 5181 String msg = "System package " + pkg.packageName 5182 + " signature changed; retaining data."; 5183 reportSettingsProblem(Log.WARN, msg); 5184 } 5185 5186 // Verify that this new package doesn't have any content providers 5187 // that conflict with existing packages. Only do this if the 5188 // package isn't already installed, since we don't want to break 5189 // things that are installed. 5190 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5191 final int N = pkg.providers.size(); 5192 int i; 5193 for (i=0; i<N; i++) { 5194 PackageParser.Provider p = pkg.providers.get(i); 5195 if (p.info.authority != null) { 5196 String names[] = p.info.authority.split(";"); 5197 for (int j = 0; j < names.length; j++) { 5198 if (mProvidersByAuthority.containsKey(names[j])) { 5199 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5200 Slog.w(TAG, "Can't install because provider name " + names[j] + 5201 " (in package " + pkg.applicationInfo.packageName + 5202 ") is already used by " 5203 + ((other != null && other.getComponentName() != null) 5204 ? other.getComponentName().getPackageName() : "?")); 5205 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5206 return null; 5207 } 5208 } 5209 } 5210 } 5211 } 5212 5213 if (pkg.mAdoptPermissions != null) { 5214 // This package wants to adopt ownership of permissions from 5215 // another package. 5216 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5217 final String origName = pkg.mAdoptPermissions.get(i); 5218 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5219 if (orig != null) { 5220 if (verifyPackageUpdateLPr(orig, pkg)) { 5221 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5222 + pkg.packageName); 5223 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5224 } 5225 } 5226 } 5227 } 5228 } 5229 5230 final String pkgName = pkg.packageName; 5231 5232 final long scanFileTime = scanFile.lastModified(); 5233 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5234 pkg.applicationInfo.processName = fixProcessName( 5235 pkg.applicationInfo.packageName, 5236 pkg.applicationInfo.processName, 5237 pkg.applicationInfo.uid); 5238 5239 File dataPath; 5240 if (mPlatformPackage == pkg) { 5241 // The system package is special. 5242 dataPath = new File (Environment.getDataDirectory(), "system"); 5243 pkg.applicationInfo.dataDir = dataPath.getPath(); 5244 } else { 5245 // This is a normal package, need to make its data directory. 5246 dataPath = getDataPathForPackage(pkg.packageName, 0); 5247 5248 boolean uidError = false; 5249 5250 if (dataPath.exists()) { 5251 int currentUid = 0; 5252 try { 5253 StructStat stat = Os.stat(dataPath.getPath()); 5254 currentUid = stat.st_uid; 5255 } catch (ErrnoException e) { 5256 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5257 } 5258 5259 // If we have mismatched owners for the data path, we have a problem. 5260 if (currentUid != pkg.applicationInfo.uid) { 5261 boolean recovered = false; 5262 if (currentUid == 0) { 5263 // The directory somehow became owned by root. Wow. 5264 // This is probably because the system was stopped while 5265 // installd was in the middle of messing with its libs 5266 // directory. Ask installd to fix that. 5267 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5268 pkg.applicationInfo.uid); 5269 if (ret >= 0) { 5270 recovered = true; 5271 String msg = "Package " + pkg.packageName 5272 + " unexpectedly changed to uid 0; recovered to " + 5273 + pkg.applicationInfo.uid; 5274 reportSettingsProblem(Log.WARN, msg); 5275 } 5276 } 5277 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5278 || (scanMode&SCAN_BOOTING) != 0)) { 5279 // If this is a system app, we can at least delete its 5280 // current data so the application will still work. 5281 int ret = removeDataDirsLI(pkgName); 5282 if (ret >= 0) { 5283 // TODO: Kill the processes first 5284 // Old data gone! 5285 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5286 ? "System package " : "Third party package "; 5287 String msg = prefix + pkg.packageName 5288 + " has changed from uid: " 5289 + currentUid + " to " 5290 + pkg.applicationInfo.uid + "; old data erased"; 5291 reportSettingsProblem(Log.WARN, msg); 5292 recovered = true; 5293 5294 // And now re-install the app. 5295 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5296 pkg.applicationInfo.seinfo); 5297 if (ret == -1) { 5298 // Ack should not happen! 5299 msg = prefix + pkg.packageName 5300 + " could not have data directory re-created after delete."; 5301 reportSettingsProblem(Log.WARN, msg); 5302 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5303 return null; 5304 } 5305 } 5306 if (!recovered) { 5307 mHasSystemUidErrors = true; 5308 } 5309 } else if (!recovered) { 5310 // If we allow this install to proceed, we will be broken. 5311 // Abort, abort! 5312 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5313 return null; 5314 } 5315 if (!recovered) { 5316 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5317 + pkg.applicationInfo.uid + "/fs_" 5318 + currentUid; 5319 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5320 String msg = "Package " + pkg.packageName 5321 + " has mismatched uid: " 5322 + currentUid + " on disk, " 5323 + pkg.applicationInfo.uid + " in settings"; 5324 // writer 5325 synchronized (mPackages) { 5326 mSettings.mReadMessages.append(msg); 5327 mSettings.mReadMessages.append('\n'); 5328 uidError = true; 5329 if (!pkgSetting.uidError) { 5330 reportSettingsProblem(Log.ERROR, msg); 5331 } 5332 } 5333 } 5334 } 5335 pkg.applicationInfo.dataDir = dataPath.getPath(); 5336 if (mShouldRestoreconData) { 5337 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5338 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5339 pkg.applicationInfo.uid); 5340 } 5341 } else { 5342 if (DEBUG_PACKAGE_SCANNING) { 5343 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5344 Log.v(TAG, "Want this data dir: " + dataPath); 5345 } 5346 //invoke installer to do the actual installation 5347 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5348 pkg.applicationInfo.seinfo); 5349 if (ret < 0) { 5350 // Error from installer 5351 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5352 return null; 5353 } 5354 5355 if (dataPath.exists()) { 5356 pkg.applicationInfo.dataDir = dataPath.getPath(); 5357 } else { 5358 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5359 pkg.applicationInfo.dataDir = null; 5360 } 5361 } 5362 5363 /* 5364 * Set the data dir to the default "/data/data/<package name>/lib" 5365 * if we got here without anyone telling us different (e.g., apps 5366 * stored on SD card have their native libraries stored in the ASEC 5367 * container with the APK). 5368 * 5369 * This happens during an upgrade from a package settings file that 5370 * doesn't have a native library path attribute at all. 5371 */ 5372 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5373 if (pkgSetting.nativeLibraryPathString == null) { 5374 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5375 } else { 5376 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5377 } 5378 } 5379 pkgSetting.uidError = uidError; 5380 } 5381 5382 String path = scanFile.getPath(); 5383 /* Note: We don't want to unpack the native binaries for 5384 * system applications, unless they have been updated 5385 * (the binaries are already under /system/lib). 5386 * Also, don't unpack libs for apps on the external card 5387 * since they should have their libraries in the ASEC 5388 * container already. 5389 * 5390 * In other words, we're going to unpack the binaries 5391 * only for non-system apps and system app upgrades. 5392 */ 5393 if (pkg.applicationInfo.nativeLibraryDir != null) { 5394 try { 5395 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5396 final String dataPathString = dataPath.getCanonicalPath(); 5397 5398 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5399 /* 5400 * Upgrading from a previous version of the OS sometimes 5401 * leaves native libraries in the /data/data/<app>/lib 5402 * directory for system apps even when they shouldn't be. 5403 * Recent changes in the JNI library search path 5404 * necessitates we remove those to match previous behavior. 5405 */ 5406 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5407 Log.i(TAG, "removed obsolete native libraries for system package " 5408 + path); 5409 } 5410 5411 setInternalAppAbi(pkg, pkgSetting); 5412 } else { 5413 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5414 /* 5415 * Update native library dir if it starts with 5416 * /data/data 5417 */ 5418 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5419 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5420 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5421 } 5422 5423 try { 5424 int copyRet = copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir); 5425 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5426 Slog.e(TAG, "Unable to copy native libraries"); 5427 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5428 return null; 5429 } 5430 5431 // We've successfully copied native libraries across, so we make a 5432 // note of what ABI we're using 5433 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5434 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[copyRet]; 5435 } else { 5436 pkg.applicationInfo.requiredCpuAbi = null; 5437 } 5438 } catch (IOException e) { 5439 Slog.e(TAG, "Unable to copy native libraries", e); 5440 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5441 return null; 5442 } 5443 } else { 5444 // We don't have to copy the shared libraries if we're in the ASEC container 5445 // but we still need to scan the file to figure out what ABI the app needs. 5446 // 5447 // TODO: This duplicates work done in the default container service. It's possible 5448 // to clean this up but we'll need to change the interface between this service 5449 // and IMediaContainerService (but doing so will spread this logic out, rather 5450 // than centralizing it). 5451 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5452 final int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5453 if (abi >= 0) { 5454 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[abi]; 5455 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5456 // Note that (non upgraded) system apps will not have any native 5457 // libraries bundled in their APK, but we're guaranteed not to be 5458 // such an app at this point. 5459 pkg.applicationInfo.requiredCpuAbi = null; 5460 } else { 5461 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5462 return null; 5463 } 5464 handle.close(); 5465 } 5466 5467 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5468 final int[] userIds = sUserManager.getUserIds(); 5469 synchronized (mInstallLock) { 5470 for (int userId : userIds) { 5471 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5472 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5473 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5474 + ")"); 5475 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5476 return null; 5477 } 5478 } 5479 } 5480 } 5481 } catch (IOException ioe) { 5482 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5483 } 5484 } 5485 pkg.mScanPath = path; 5486 5487 if ((scanMode&SCAN_NO_DEX) == 0) { 5488 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5489 == DEX_OPT_FAILED) { 5490 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5491 removeDataDirsLI(pkg.packageName); 5492 } 5493 5494 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5495 return null; 5496 } 5497 } 5498 5499 if (mFactoryTest && pkg.requestedPermissions.contains( 5500 android.Manifest.permission.FACTORY_TEST)) { 5501 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5502 } 5503 5504 ArrayList<PackageParser.Package> clientLibPkgs = null; 5505 5506 // writer 5507 synchronized (mPackages) { 5508 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5509 // Only system apps can add new shared libraries. 5510 if (pkg.libraryNames != null) { 5511 for (int i=0; i<pkg.libraryNames.size(); i++) { 5512 String name = pkg.libraryNames.get(i); 5513 boolean allowed = false; 5514 if (isUpdatedSystemApp(pkg)) { 5515 // New library entries can only be added through the 5516 // system image. This is important to get rid of a lot 5517 // of nasty edge cases: for example if we allowed a non- 5518 // system update of the app to add a library, then uninstalling 5519 // the update would make the library go away, and assumptions 5520 // we made such as through app install filtering would now 5521 // have allowed apps on the device which aren't compatible 5522 // with it. Better to just have the restriction here, be 5523 // conservative, and create many fewer cases that can negatively 5524 // impact the user experience. 5525 final PackageSetting sysPs = mSettings 5526 .getDisabledSystemPkgLPr(pkg.packageName); 5527 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5528 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5529 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5530 allowed = true; 5531 allowed = true; 5532 break; 5533 } 5534 } 5535 } 5536 } else { 5537 allowed = true; 5538 } 5539 if (allowed) { 5540 if (!mSharedLibraries.containsKey(name)) { 5541 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5542 } else if (!name.equals(pkg.packageName)) { 5543 Slog.w(TAG, "Package " + pkg.packageName + " library " 5544 + name + " already exists; skipping"); 5545 } 5546 } else { 5547 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5548 + name + " that is not declared on system image; skipping"); 5549 } 5550 } 5551 if ((scanMode&SCAN_BOOTING) == 0) { 5552 // If we are not booting, we need to update any applications 5553 // that are clients of our shared library. If we are booting, 5554 // this will all be done once the scan is complete. 5555 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5556 } 5557 } 5558 } 5559 } 5560 5561 // We also need to dexopt any apps that are dependent on this library. Note that 5562 // if these fail, we should abort the install since installing the library will 5563 // result in some apps being broken. 5564 if (clientLibPkgs != null) { 5565 if ((scanMode&SCAN_NO_DEX) == 0) { 5566 for (int i=0; i<clientLibPkgs.size(); i++) { 5567 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5568 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5569 == DEX_OPT_FAILED) { 5570 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5571 removeDataDirsLI(pkg.packageName); 5572 } 5573 5574 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5575 return null; 5576 } 5577 } 5578 } 5579 } 5580 5581 // Request the ActivityManager to kill the process(only for existing packages) 5582 // so that we do not end up in a confused state while the user is still using the older 5583 // version of the application while the new one gets installed. 5584 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5585 // If the package lives in an asec, tell everyone that the container is going 5586 // away so they can clean up any references to its resources (which would prevent 5587 // vold from being able to unmount the asec) 5588 if (isForwardLocked(pkg) || isExternal(pkg)) { 5589 if (DEBUG_INSTALL) { 5590 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5591 } 5592 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5593 final ArrayList<String> pkgList = new ArrayList<String>(1); 5594 pkgList.add(pkg.applicationInfo.packageName); 5595 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5596 } 5597 5598 // Post the request that it be killed now that the going-away broadcast is en route 5599 killApplication(pkg.applicationInfo.packageName, 5600 pkg.applicationInfo.uid, "update pkg"); 5601 } 5602 5603 // Also need to kill any apps that are dependent on the library. 5604 if (clientLibPkgs != null) { 5605 for (int i=0; i<clientLibPkgs.size(); i++) { 5606 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5607 killApplication(clientPkg.applicationInfo.packageName, 5608 clientPkg.applicationInfo.uid, "update lib"); 5609 } 5610 } 5611 5612 // writer 5613 synchronized (mPackages) { 5614 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5615 // We don't do this here during boot because we can do it all 5616 // at once after scanning all existing packages. 5617 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5618 true, forceDex, (scanMode & SCAN_DEFER_DEX) != 0); 5619 } 5620 // We don't expect installation to fail beyond this point, 5621 if ((scanMode&SCAN_MONITOR) != 0) { 5622 mAppDirs.put(pkg.mPath, pkg); 5623 } 5624 // Add the new setting to mSettings 5625 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5626 // Add the new setting to mPackages 5627 mPackages.put(pkg.applicationInfo.packageName, pkg); 5628 // Make sure we don't accidentally delete its data. 5629 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5630 while (iter.hasNext()) { 5631 PackageCleanItem item = iter.next(); 5632 if (pkgName.equals(item.packageName)) { 5633 iter.remove(); 5634 } 5635 } 5636 5637 // Take care of first install / last update times. 5638 if (currentTime != 0) { 5639 if (pkgSetting.firstInstallTime == 0) { 5640 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5641 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5642 pkgSetting.lastUpdateTime = currentTime; 5643 } 5644 } else if (pkgSetting.firstInstallTime == 0) { 5645 // We need *something*. Take time time stamp of the file. 5646 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5647 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5648 if (scanFileTime != pkgSetting.timeStamp) { 5649 // A package on the system image has changed; consider this 5650 // to be an update. 5651 pkgSetting.lastUpdateTime = scanFileTime; 5652 } 5653 } 5654 5655 // Add the package's KeySets to the global KeySetManager 5656 KeySetManager ksm = mSettings.mKeySetManager; 5657 try { 5658 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5659 if (pkg.mKeySetMapping != null) { 5660 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5661 if (entry.getValue() != null) { 5662 ksm.addDefinedKeySetToPackage(pkg.packageName, 5663 entry.getValue(), entry.getKey()); 5664 } 5665 } 5666 } 5667 } catch (NullPointerException e) { 5668 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5669 } catch (IllegalArgumentException e) { 5670 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5671 } 5672 5673 int N = pkg.providers.size(); 5674 StringBuilder r = null; 5675 int i; 5676 for (i=0; i<N; i++) { 5677 PackageParser.Provider p = pkg.providers.get(i); 5678 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5679 p.info.processName, pkg.applicationInfo.uid); 5680 mProviders.addProvider(p); 5681 p.syncable = p.info.isSyncable; 5682 if (p.info.authority != null) { 5683 String names[] = p.info.authority.split(";"); 5684 p.info.authority = null; 5685 for (int j = 0; j < names.length; j++) { 5686 if (j == 1 && p.syncable) { 5687 // We only want the first authority for a provider to possibly be 5688 // syncable, so if we already added this provider using a different 5689 // authority clear the syncable flag. We copy the provider before 5690 // changing it because the mProviders object contains a reference 5691 // to a provider that we don't want to change. 5692 // Only do this for the second authority since the resulting provider 5693 // object can be the same for all future authorities for this provider. 5694 p = new PackageParser.Provider(p); 5695 p.syncable = false; 5696 } 5697 if (!mProvidersByAuthority.containsKey(names[j])) { 5698 mProvidersByAuthority.put(names[j], p); 5699 if (p.info.authority == null) { 5700 p.info.authority = names[j]; 5701 } else { 5702 p.info.authority = p.info.authority + ";" + names[j]; 5703 } 5704 if (DEBUG_PACKAGE_SCANNING) { 5705 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5706 Log.d(TAG, "Registered content provider: " + names[j] 5707 + ", className = " + p.info.name + ", isSyncable = " 5708 + p.info.isSyncable); 5709 } 5710 } else { 5711 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5712 Slog.w(TAG, "Skipping provider name " + names[j] + 5713 " (in package " + pkg.applicationInfo.packageName + 5714 "): name already used by " 5715 + ((other != null && other.getComponentName() != null) 5716 ? other.getComponentName().getPackageName() : "?")); 5717 } 5718 } 5719 } 5720 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5721 if (r == null) { 5722 r = new StringBuilder(256); 5723 } else { 5724 r.append(' '); 5725 } 5726 r.append(p.info.name); 5727 } 5728 } 5729 if (r != null) { 5730 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5731 } 5732 5733 N = pkg.services.size(); 5734 r = null; 5735 for (i=0; i<N; i++) { 5736 PackageParser.Service s = pkg.services.get(i); 5737 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5738 s.info.processName, pkg.applicationInfo.uid); 5739 mServices.addService(s); 5740 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5741 if (r == null) { 5742 r = new StringBuilder(256); 5743 } else { 5744 r.append(' '); 5745 } 5746 r.append(s.info.name); 5747 } 5748 } 5749 if (r != null) { 5750 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5751 } 5752 5753 N = pkg.receivers.size(); 5754 r = null; 5755 for (i=0; i<N; i++) { 5756 PackageParser.Activity a = pkg.receivers.get(i); 5757 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5758 a.info.processName, pkg.applicationInfo.uid); 5759 mReceivers.addActivity(a, "receiver"); 5760 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5761 if (r == null) { 5762 r = new StringBuilder(256); 5763 } else { 5764 r.append(' '); 5765 } 5766 r.append(a.info.name); 5767 } 5768 } 5769 if (r != null) { 5770 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5771 } 5772 5773 N = pkg.activities.size(); 5774 r = null; 5775 for (i=0; i<N; i++) { 5776 PackageParser.Activity a = pkg.activities.get(i); 5777 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5778 a.info.processName, pkg.applicationInfo.uid); 5779 mActivities.addActivity(a, "activity"); 5780 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5781 if (r == null) { 5782 r = new StringBuilder(256); 5783 } else { 5784 r.append(' '); 5785 } 5786 r.append(a.info.name); 5787 } 5788 } 5789 if (r != null) { 5790 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5791 } 5792 5793 N = pkg.permissionGroups.size(); 5794 r = null; 5795 for (i=0; i<N; i++) { 5796 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5797 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5798 if (cur == null) { 5799 mPermissionGroups.put(pg.info.name, pg); 5800 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5801 if (r == null) { 5802 r = new StringBuilder(256); 5803 } else { 5804 r.append(' '); 5805 } 5806 r.append(pg.info.name); 5807 } 5808 } else { 5809 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5810 + pg.info.packageName + " ignored: original from " 5811 + cur.info.packageName); 5812 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5813 if (r == null) { 5814 r = new StringBuilder(256); 5815 } else { 5816 r.append(' '); 5817 } 5818 r.append("DUP:"); 5819 r.append(pg.info.name); 5820 } 5821 } 5822 } 5823 if (r != null) { 5824 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5825 } 5826 5827 N = pkg.permissions.size(); 5828 r = null; 5829 for (i=0; i<N; i++) { 5830 PackageParser.Permission p = pkg.permissions.get(i); 5831 HashMap<String, BasePermission> permissionMap = 5832 p.tree ? mSettings.mPermissionTrees 5833 : mSettings.mPermissions; 5834 p.group = mPermissionGroups.get(p.info.group); 5835 if (p.info.group == null || p.group != null) { 5836 BasePermission bp = permissionMap.get(p.info.name); 5837 if (bp == null) { 5838 bp = new BasePermission(p.info.name, p.info.packageName, 5839 BasePermission.TYPE_NORMAL); 5840 permissionMap.put(p.info.name, bp); 5841 } 5842 if (bp.perm == null) { 5843 if (bp.sourcePackage != null 5844 && !bp.sourcePackage.equals(p.info.packageName)) { 5845 // If this is a permission that was formerly defined by a non-system 5846 // app, but is now defined by a system app (following an upgrade), 5847 // discard the previous declaration and consider the system's to be 5848 // canonical. 5849 if (isSystemApp(p.owner)) { 5850 String msg = "New decl " + p.owner + " of permission " 5851 + p.info.name + " is system"; 5852 reportSettingsProblem(Log.WARN, msg); 5853 bp.sourcePackage = null; 5854 } 5855 } 5856 if (bp.sourcePackage == null 5857 || bp.sourcePackage.equals(p.info.packageName)) { 5858 BasePermission tree = findPermissionTreeLP(p.info.name); 5859 if (tree == null 5860 || tree.sourcePackage.equals(p.info.packageName)) { 5861 bp.packageSetting = pkgSetting; 5862 bp.perm = p; 5863 bp.uid = pkg.applicationInfo.uid; 5864 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5865 if (r == null) { 5866 r = new StringBuilder(256); 5867 } else { 5868 r.append(' '); 5869 } 5870 r.append(p.info.name); 5871 } 5872 } else { 5873 Slog.w(TAG, "Permission " + p.info.name + " from package " 5874 + p.info.packageName + " ignored: base tree " 5875 + tree.name + " is from package " 5876 + tree.sourcePackage); 5877 } 5878 } else { 5879 Slog.w(TAG, "Permission " + p.info.name + " from package " 5880 + p.info.packageName + " ignored: original from " 5881 + bp.sourcePackage); 5882 } 5883 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5884 if (r == null) { 5885 r = new StringBuilder(256); 5886 } else { 5887 r.append(' '); 5888 } 5889 r.append("DUP:"); 5890 r.append(p.info.name); 5891 } 5892 if (bp.perm == p) { 5893 bp.protectionLevel = p.info.protectionLevel; 5894 } 5895 } else { 5896 Slog.w(TAG, "Permission " + p.info.name + " from package " 5897 + p.info.packageName + " ignored: no group " 5898 + p.group); 5899 } 5900 } 5901 if (r != null) { 5902 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5903 } 5904 5905 N = pkg.instrumentation.size(); 5906 r = null; 5907 for (i=0; i<N; i++) { 5908 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5909 a.info.packageName = pkg.applicationInfo.packageName; 5910 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5911 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5912 a.info.dataDir = pkg.applicationInfo.dataDir; 5913 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5914 mInstrumentation.put(a.getComponentName(), a); 5915 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5916 if (r == null) { 5917 r = new StringBuilder(256); 5918 } else { 5919 r.append(' '); 5920 } 5921 r.append(a.info.name); 5922 } 5923 } 5924 if (r != null) { 5925 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5926 } 5927 5928 if (pkg.protectedBroadcasts != null) { 5929 N = pkg.protectedBroadcasts.size(); 5930 for (i=0; i<N; i++) { 5931 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5932 } 5933 } 5934 5935 pkgSetting.setTimeStamp(scanFileTime); 5936 5937 // Create idmap files for pairs of (packages, overlay packages). 5938 // Note: "android", ie framework-res.apk, is handled by native layers. 5939 if (pkg.mOverlayTarget != null) { 5940 // This is an overlay package. 5941 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5942 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5943 mOverlays.put(pkg.mOverlayTarget, 5944 new HashMap<String, PackageParser.Package>()); 5945 } 5946 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5947 map.put(pkg.packageName, pkg); 5948 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5949 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5950 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5951 return null; 5952 } 5953 } 5954 } else if (mOverlays.containsKey(pkg.packageName) && 5955 !pkg.packageName.equals("android")) { 5956 // This is a regular package, with one or more known overlay packages. 5957 createIdmapsForPackageLI(pkg); 5958 } 5959 } 5960 5961 return pkg; 5962 } 5963 5964 public void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5965 boolean doDexOpt, boolean forceDexOpt, boolean deferDexOpt) { 5966 String requiredInstructionSet = null; 5967 PackageSetting requirer = null; 5968 for (PackageSetting ps : packagesForUser) { 5969 if (ps.requiredCpuAbiString != null) { 5970 final String instructionSet = VMRuntime.getInstructionSet(ps.requiredCpuAbiString); 5971 if (requiredInstructionSet != null) { 5972 if (!instructionSet.equals(requiredInstructionSet)) { 5973 // We have a mismatch between instruction sets (say arm vs arm64). 5974 // 5975 // TODO: We should rescan all the packages in a shared UID to check if 5976 // they do contain shared libs for other ABIs in addition to the ones we've 5977 // already extracted. For example, the package might contain both arm64-v8a 5978 // and armeabi-v7a shared libs, and we'd have chosen arm64-v8a on 64 bit 5979 // devices. 5980 String errorMessage = "Instruction set mismatch, " + requirer.pkg.packageName 5981 + " requires " + requiredInstructionSet + " whereas " + ps.pkg.packageName 5982 + " requires " + instructionSet; 5983 Slog.e(TAG, errorMessage); 5984 5985 reportSettingsProblem(Log.WARN, errorMessage); 5986 // Give up, don't bother making any other changes to the package settings. 5987 return; 5988 } 5989 } else { 5990 requiredInstructionSet = instructionSet; 5991 requirer = ps; 5992 } 5993 } 5994 } 5995 5996 if (requiredInstructionSet != null) { 5997 for (PackageSetting ps : packagesForUser) { 5998 if (ps.requiredCpuAbiString == null) { 5999 ps.requiredCpuAbiString = requirer.requiredCpuAbiString; 6000 if (ps.pkg != null) { 6001 ps.pkg.applicationInfo.requiredCpuAbi = requirer.requiredCpuAbiString; 6002 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + ps.requiredCpuAbiString); 6003 if (doDexOpt) { 6004 performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true); 6005 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6006 } 6007 } 6008 } 6009 } 6010 } 6011 } 6012 6013 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6014 synchronized (mPackages) { 6015 mResolverReplaced = true; 6016 // Set up information for custom user intent resolution activity. 6017 mResolveActivity.applicationInfo = pkg.applicationInfo; 6018 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6019 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6020 mResolveActivity.processName = null; 6021 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6022 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6023 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6024 mResolveActivity.theme = 0; 6025 mResolveActivity.exported = true; 6026 mResolveActivity.enabled = true; 6027 mResolveInfo.activityInfo = mResolveActivity; 6028 mResolveInfo.priority = 0; 6029 mResolveInfo.preferredOrder = 0; 6030 mResolveInfo.match = 0; 6031 mResolveComponentName = mCustomResolverComponentName; 6032 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6033 mResolveComponentName); 6034 } 6035 } 6036 6037 private String calculateApkRoot(final String codePathString) { 6038 final File codePath = new File(codePathString); 6039 final File codeRoot; 6040 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6041 codeRoot = Environment.getRootDirectory(); 6042 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6043 codeRoot = Environment.getOemDirectory(); 6044 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6045 codeRoot = Environment.getVendorDirectory(); 6046 } else { 6047 // Unrecognized code path; take its top real segment as the apk root: 6048 // e.g. /something/app/blah.apk => /something 6049 try { 6050 File f = codePath.getCanonicalFile(); 6051 File parent = f.getParentFile(); // non-null because codePath is a file 6052 File tmp; 6053 while ((tmp = parent.getParentFile()) != null) { 6054 f = parent; 6055 parent = tmp; 6056 } 6057 codeRoot = f; 6058 Slog.w(TAG, "Unrecognized code path " 6059 + codePath + " - using " + codeRoot); 6060 } catch (IOException e) { 6061 // Can't canonicalize the lib path -- shenanigans? 6062 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6063 return Environment.getRootDirectory().getPath(); 6064 } 6065 } 6066 return codeRoot.getPath(); 6067 } 6068 6069 // This is the initial scan-time determination of how to handle a given 6070 // package for purposes of native library location. 6071 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6072 PackageSetting pkgSetting) { 6073 // "bundled" here means system-installed with no overriding update 6074 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6075 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6076 final File libDir; 6077 if (bundledApk) { 6078 // If "/system/lib64/apkname" exists, assume that is the per-package 6079 // native library directory to use; otherwise use "/system/lib/apkname". 6080 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6081 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6082 File packLib64 = new File(lib64, apkName); 6083 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6084 } else { 6085 libDir = mAppLibInstallDir; 6086 } 6087 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6088 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6089 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6090 } 6091 6092 // Deduces the required ABI of an upgraded system app. 6093 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6094 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6095 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6096 6097 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6098 // or similar. 6099 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6100 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6101 6102 // Assume that the bundled native libraries always correspond to the 6103 // most preferred 32 or 64 bit ABI. 6104 if (lib64.exists()) { 6105 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6106 pkgSetting.requiredCpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6107 } else if (lib.exists()) { 6108 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6109 pkgSetting.requiredCpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6110 } else { 6111 // This is the case where the app has no native code. 6112 pkg.applicationInfo.requiredCpuAbi = null; 6113 pkgSetting.requiredCpuAbiString = null; 6114 } 6115 } 6116 6117 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 6118 throws IOException { 6119 if (!nativeLibraryDir.isDirectory()) { 6120 nativeLibraryDir.delete(); 6121 6122 if (!nativeLibraryDir.mkdir()) { 6123 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6124 } 6125 6126 try { 6127 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6128 } catch (ErrnoException e) { 6129 throw new IOException("Cannot chmod native library directory " 6130 + nativeLibraryDir.getPath(), e); 6131 } 6132 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6133 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6134 } 6135 6136 /* 6137 * If this is an internal application or our nativeLibraryPath points to 6138 * the app-lib directory, unpack the libraries if necessary. 6139 */ 6140 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 6141 try { 6142 int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 6143 if (abi >= 0) { 6144 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6145 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6146 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6147 return copyRet; 6148 } 6149 } 6150 6151 return abi; 6152 } finally { 6153 handle.close(); 6154 } 6155 } 6156 6157 private void killApplication(String pkgName, int appId, String reason) { 6158 // Request the ActivityManager to kill the process(only for existing packages) 6159 // so that we do not end up in a confused state while the user is still using the older 6160 // version of the application while the new one gets installed. 6161 IActivityManager am = ActivityManagerNative.getDefault(); 6162 if (am != null) { 6163 try { 6164 am.killApplicationWithAppId(pkgName, appId, reason); 6165 } catch (RemoteException e) { 6166 } 6167 } 6168 } 6169 6170 void removePackageLI(PackageSetting ps, boolean chatty) { 6171 if (DEBUG_INSTALL) { 6172 if (chatty) 6173 Log.d(TAG, "Removing package " + ps.name); 6174 } 6175 6176 // writer 6177 synchronized (mPackages) { 6178 mPackages.remove(ps.name); 6179 if (ps.codePathString != null) { 6180 mAppDirs.remove(ps.codePathString); 6181 } 6182 6183 final PackageParser.Package pkg = ps.pkg; 6184 if (pkg != null) { 6185 cleanPackageDataStructuresLILPw(pkg, chatty); 6186 } 6187 } 6188 } 6189 6190 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6191 if (DEBUG_INSTALL) { 6192 if (chatty) 6193 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6194 } 6195 6196 // writer 6197 synchronized (mPackages) { 6198 mPackages.remove(pkg.applicationInfo.packageName); 6199 if (pkg.mPath != null) { 6200 mAppDirs.remove(pkg.mPath); 6201 } 6202 cleanPackageDataStructuresLILPw(pkg, chatty); 6203 } 6204 } 6205 6206 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6207 int N = pkg.providers.size(); 6208 StringBuilder r = null; 6209 int i; 6210 for (i=0; i<N; i++) { 6211 PackageParser.Provider p = pkg.providers.get(i); 6212 mProviders.removeProvider(p); 6213 if (p.info.authority == null) { 6214 6215 /* There was another ContentProvider with this authority when 6216 * this app was installed so this authority is null, 6217 * Ignore it as we don't have to unregister the provider. 6218 */ 6219 continue; 6220 } 6221 String names[] = p.info.authority.split(";"); 6222 for (int j = 0; j < names.length; j++) { 6223 if (mProvidersByAuthority.get(names[j]) == p) { 6224 mProvidersByAuthority.remove(names[j]); 6225 if (DEBUG_REMOVE) { 6226 if (chatty) 6227 Log.d(TAG, "Unregistered content provider: " + names[j] 6228 + ", className = " + p.info.name + ", isSyncable = " 6229 + p.info.isSyncable); 6230 } 6231 } 6232 } 6233 if (DEBUG_REMOVE && chatty) { 6234 if (r == null) { 6235 r = new StringBuilder(256); 6236 } else { 6237 r.append(' '); 6238 } 6239 r.append(p.info.name); 6240 } 6241 } 6242 if (r != null) { 6243 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6244 } 6245 6246 N = pkg.services.size(); 6247 r = null; 6248 for (i=0; i<N; i++) { 6249 PackageParser.Service s = pkg.services.get(i); 6250 mServices.removeService(s); 6251 if (chatty) { 6252 if (r == null) { 6253 r = new StringBuilder(256); 6254 } else { 6255 r.append(' '); 6256 } 6257 r.append(s.info.name); 6258 } 6259 } 6260 if (r != null) { 6261 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6262 } 6263 6264 N = pkg.receivers.size(); 6265 r = null; 6266 for (i=0; i<N; i++) { 6267 PackageParser.Activity a = pkg.receivers.get(i); 6268 mReceivers.removeActivity(a, "receiver"); 6269 if (DEBUG_REMOVE && chatty) { 6270 if (r == null) { 6271 r = new StringBuilder(256); 6272 } else { 6273 r.append(' '); 6274 } 6275 r.append(a.info.name); 6276 } 6277 } 6278 if (r != null) { 6279 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6280 } 6281 6282 N = pkg.activities.size(); 6283 r = null; 6284 for (i=0; i<N; i++) { 6285 PackageParser.Activity a = pkg.activities.get(i); 6286 mActivities.removeActivity(a, "activity"); 6287 if (DEBUG_REMOVE && chatty) { 6288 if (r == null) { 6289 r = new StringBuilder(256); 6290 } else { 6291 r.append(' '); 6292 } 6293 r.append(a.info.name); 6294 } 6295 } 6296 if (r != null) { 6297 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6298 } 6299 6300 N = pkg.permissions.size(); 6301 r = null; 6302 for (i=0; i<N; i++) { 6303 PackageParser.Permission p = pkg.permissions.get(i); 6304 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6305 if (bp == null) { 6306 bp = mSettings.mPermissionTrees.get(p.info.name); 6307 } 6308 if (bp != null && bp.perm == p) { 6309 bp.perm = null; 6310 if (DEBUG_REMOVE && chatty) { 6311 if (r == null) { 6312 r = new StringBuilder(256); 6313 } else { 6314 r.append(' '); 6315 } 6316 r.append(p.info.name); 6317 } 6318 } 6319 } 6320 if (r != null) { 6321 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6322 } 6323 6324 N = pkg.instrumentation.size(); 6325 r = null; 6326 for (i=0; i<N; i++) { 6327 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6328 mInstrumentation.remove(a.getComponentName()); 6329 if (DEBUG_REMOVE && chatty) { 6330 if (r == null) { 6331 r = new StringBuilder(256); 6332 } else { 6333 r.append(' '); 6334 } 6335 r.append(a.info.name); 6336 } 6337 } 6338 if (r != null) { 6339 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6340 } 6341 6342 r = null; 6343 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6344 // Only system apps can hold shared libraries. 6345 if (pkg.libraryNames != null) { 6346 for (i=0; i<pkg.libraryNames.size(); i++) { 6347 String name = pkg.libraryNames.get(i); 6348 SharedLibraryEntry cur = mSharedLibraries.get(name); 6349 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6350 mSharedLibraries.remove(name); 6351 if (DEBUG_REMOVE && chatty) { 6352 if (r == null) { 6353 r = new StringBuilder(256); 6354 } else { 6355 r.append(' '); 6356 } 6357 r.append(name); 6358 } 6359 } 6360 } 6361 } 6362 } 6363 if (r != null) { 6364 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6365 } 6366 } 6367 6368 private static final boolean isPackageFilename(String name) { 6369 return name != null && name.endsWith(".apk"); 6370 } 6371 6372 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6373 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6374 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6375 return true; 6376 } 6377 } 6378 return false; 6379 } 6380 6381 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6382 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6383 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6384 6385 private void updatePermissionsLPw(String changingPkg, 6386 PackageParser.Package pkgInfo, int flags) { 6387 // Make sure there are no dangling permission trees. 6388 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6389 while (it.hasNext()) { 6390 final BasePermission bp = it.next(); 6391 if (bp.packageSetting == null) { 6392 // We may not yet have parsed the package, so just see if 6393 // we still know about its settings. 6394 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6395 } 6396 if (bp.packageSetting == null) { 6397 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6398 + " from package " + bp.sourcePackage); 6399 it.remove(); 6400 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6401 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6402 Slog.i(TAG, "Removing old permission tree: " + bp.name 6403 + " from package " + bp.sourcePackage); 6404 flags |= UPDATE_PERMISSIONS_ALL; 6405 it.remove(); 6406 } 6407 } 6408 } 6409 6410 // Make sure all dynamic permissions have been assigned to a package, 6411 // and make sure there are no dangling permissions. 6412 it = mSettings.mPermissions.values().iterator(); 6413 while (it.hasNext()) { 6414 final BasePermission bp = it.next(); 6415 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6416 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6417 + bp.name + " pkg=" + bp.sourcePackage 6418 + " info=" + bp.pendingInfo); 6419 if (bp.packageSetting == null && bp.pendingInfo != null) { 6420 final BasePermission tree = findPermissionTreeLP(bp.name); 6421 if (tree != null && tree.perm != null) { 6422 bp.packageSetting = tree.packageSetting; 6423 bp.perm = new PackageParser.Permission(tree.perm.owner, 6424 new PermissionInfo(bp.pendingInfo)); 6425 bp.perm.info.packageName = tree.perm.info.packageName; 6426 bp.perm.info.name = bp.name; 6427 bp.uid = tree.uid; 6428 } 6429 } 6430 } 6431 if (bp.packageSetting == null) { 6432 // We may not yet have parsed the package, so just see if 6433 // we still know about its settings. 6434 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6435 } 6436 if (bp.packageSetting == null) { 6437 Slog.w(TAG, "Removing dangling permission: " + bp.name 6438 + " from package " + bp.sourcePackage); 6439 it.remove(); 6440 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6441 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6442 Slog.i(TAG, "Removing old permission: " + bp.name 6443 + " from package " + bp.sourcePackage); 6444 flags |= UPDATE_PERMISSIONS_ALL; 6445 it.remove(); 6446 } 6447 } 6448 } 6449 6450 // Now update the permissions for all packages, in particular 6451 // replace the granted permissions of the system packages. 6452 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6453 for (PackageParser.Package pkg : mPackages.values()) { 6454 if (pkg != pkgInfo) { 6455 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6456 } 6457 } 6458 } 6459 6460 if (pkgInfo != null) { 6461 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6462 } 6463 } 6464 6465 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6466 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6467 if (ps == null) { 6468 return; 6469 } 6470 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6471 HashSet<String> origPermissions = gp.grantedPermissions; 6472 boolean changedPermission = false; 6473 6474 if (replace) { 6475 ps.permissionsFixed = false; 6476 if (gp == ps) { 6477 origPermissions = new HashSet<String>(gp.grantedPermissions); 6478 gp.grantedPermissions.clear(); 6479 gp.gids = mGlobalGids; 6480 } 6481 } 6482 6483 if (gp.gids == null) { 6484 gp.gids = mGlobalGids; 6485 } 6486 6487 final int N = pkg.requestedPermissions.size(); 6488 for (int i=0; i<N; i++) { 6489 final String name = pkg.requestedPermissions.get(i); 6490 final boolean required = pkg.requestedPermissionsRequired.get(i); 6491 final BasePermission bp = mSettings.mPermissions.get(name); 6492 if (DEBUG_INSTALL) { 6493 if (gp != ps) { 6494 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6495 } 6496 } 6497 6498 if (bp == null || bp.packageSetting == null) { 6499 Slog.w(TAG, "Unknown permission " + name 6500 + " in package " + pkg.packageName); 6501 continue; 6502 } 6503 6504 final String perm = bp.name; 6505 boolean allowed; 6506 boolean allowedSig = false; 6507 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6508 if (level == PermissionInfo.PROTECTION_NORMAL 6509 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6510 // We grant a normal or dangerous permission if any of the following 6511 // are true: 6512 // 1) The permission is required 6513 // 2) The permission is optional, but was granted in the past 6514 // 3) The permission is optional, but was requested by an 6515 // app in /system (not /data) 6516 // 6517 // Otherwise, reject the permission. 6518 allowed = (required || origPermissions.contains(perm) 6519 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6520 } else if (bp.packageSetting == null) { 6521 // This permission is invalid; skip it. 6522 allowed = false; 6523 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6524 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6525 if (allowed) { 6526 allowedSig = true; 6527 } 6528 } else { 6529 allowed = false; 6530 } 6531 if (DEBUG_INSTALL) { 6532 if (gp != ps) { 6533 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6534 } 6535 } 6536 if (allowed) { 6537 if (!isSystemApp(ps) && ps.permissionsFixed) { 6538 // If this is an existing, non-system package, then 6539 // we can't add any new permissions to it. 6540 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6541 // Except... if this is a permission that was added 6542 // to the platform (note: need to only do this when 6543 // updating the platform). 6544 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6545 } 6546 } 6547 if (allowed) { 6548 if (!gp.grantedPermissions.contains(perm)) { 6549 changedPermission = true; 6550 gp.grantedPermissions.add(perm); 6551 gp.gids = appendInts(gp.gids, bp.gids); 6552 } else if (!ps.haveGids) { 6553 gp.gids = appendInts(gp.gids, bp.gids); 6554 } 6555 } else { 6556 Slog.w(TAG, "Not granting permission " + perm 6557 + " to package " + pkg.packageName 6558 + " because it was previously installed without"); 6559 } 6560 } else { 6561 if (gp.grantedPermissions.remove(perm)) { 6562 changedPermission = true; 6563 gp.gids = removeInts(gp.gids, bp.gids); 6564 Slog.i(TAG, "Un-granting permission " + perm 6565 + " from package " + pkg.packageName 6566 + " (protectionLevel=" + bp.protectionLevel 6567 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6568 + ")"); 6569 } else { 6570 Slog.w(TAG, "Not granting permission " + perm 6571 + " to package " + pkg.packageName 6572 + " (protectionLevel=" + bp.protectionLevel 6573 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6574 + ")"); 6575 } 6576 } 6577 } 6578 6579 if ((changedPermission || replace) && !ps.permissionsFixed && 6580 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6581 // This is the first that we have heard about this package, so the 6582 // permissions we have now selected are fixed until explicitly 6583 // changed. 6584 ps.permissionsFixed = true; 6585 } 6586 ps.haveGids = true; 6587 } 6588 6589 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6590 boolean allowed = false; 6591 final int NP = PackageParser.NEW_PERMISSIONS.length; 6592 for (int ip=0; ip<NP; ip++) { 6593 final PackageParser.NewPermissionInfo npi 6594 = PackageParser.NEW_PERMISSIONS[ip]; 6595 if (npi.name.equals(perm) 6596 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6597 allowed = true; 6598 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6599 + pkg.packageName); 6600 break; 6601 } 6602 } 6603 return allowed; 6604 } 6605 6606 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6607 BasePermission bp, HashSet<String> origPermissions) { 6608 boolean allowed; 6609 allowed = (compareSignatures( 6610 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6611 == PackageManager.SIGNATURE_MATCH) 6612 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6613 == PackageManager.SIGNATURE_MATCH); 6614 if (!allowed && (bp.protectionLevel 6615 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6616 if (isSystemApp(pkg)) { 6617 // For updated system applications, a system permission 6618 // is granted only if it had been defined by the original application. 6619 if (isUpdatedSystemApp(pkg)) { 6620 final PackageSetting sysPs = mSettings 6621 .getDisabledSystemPkgLPr(pkg.packageName); 6622 final GrantedPermissions origGp = sysPs.sharedUser != null 6623 ? sysPs.sharedUser : sysPs; 6624 6625 if (origGp.grantedPermissions.contains(perm)) { 6626 // If the original was granted this permission, we take 6627 // that grant decision as read and propagate it to the 6628 // update. 6629 allowed = true; 6630 } else { 6631 // The system apk may have been updated with an older 6632 // version of the one on the data partition, but which 6633 // granted a new system permission that it didn't have 6634 // before. In this case we do want to allow the app to 6635 // now get the new permission if the ancestral apk is 6636 // privileged to get it. 6637 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6638 for (int j=0; 6639 j<sysPs.pkg.requestedPermissions.size(); j++) { 6640 if (perm.equals( 6641 sysPs.pkg.requestedPermissions.get(j))) { 6642 allowed = true; 6643 break; 6644 } 6645 } 6646 } 6647 } 6648 } else { 6649 allowed = isPrivilegedApp(pkg); 6650 } 6651 } 6652 } 6653 if (!allowed && (bp.protectionLevel 6654 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6655 // For development permissions, a development permission 6656 // is granted only if it was already granted. 6657 allowed = origPermissions.contains(perm); 6658 } 6659 return allowed; 6660 } 6661 6662 final class ActivityIntentResolver 6663 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6664 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6665 boolean defaultOnly, int userId) { 6666 if (!sUserManager.exists(userId)) return null; 6667 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6668 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6669 } 6670 6671 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6672 int userId) { 6673 if (!sUserManager.exists(userId)) return null; 6674 mFlags = flags; 6675 return super.queryIntent(intent, resolvedType, 6676 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6677 } 6678 6679 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6680 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6681 if (!sUserManager.exists(userId)) return null; 6682 if (packageActivities == null) { 6683 return null; 6684 } 6685 mFlags = flags; 6686 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6687 final int N = packageActivities.size(); 6688 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6689 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6690 6691 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6692 for (int i = 0; i < N; ++i) { 6693 intentFilters = packageActivities.get(i).intents; 6694 if (intentFilters != null && intentFilters.size() > 0) { 6695 PackageParser.ActivityIntentInfo[] array = 6696 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6697 intentFilters.toArray(array); 6698 listCut.add(array); 6699 } 6700 } 6701 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6702 } 6703 6704 public final void addActivity(PackageParser.Activity a, String type) { 6705 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6706 mActivities.put(a.getComponentName(), a); 6707 if (DEBUG_SHOW_INFO) 6708 Log.v( 6709 TAG, " " + type + " " + 6710 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6711 if (DEBUG_SHOW_INFO) 6712 Log.v(TAG, " Class=" + a.info.name); 6713 final int NI = a.intents.size(); 6714 for (int j=0; j<NI; j++) { 6715 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6716 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6717 intent.setPriority(0); 6718 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6719 + a.className + " with priority > 0, forcing to 0"); 6720 } 6721 if (DEBUG_SHOW_INFO) { 6722 Log.v(TAG, " IntentFilter:"); 6723 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6724 } 6725 if (!intent.debugCheck()) { 6726 Log.w(TAG, "==> For Activity " + a.info.name); 6727 } 6728 addFilter(intent); 6729 } 6730 } 6731 6732 public final void removeActivity(PackageParser.Activity a, String type) { 6733 mActivities.remove(a.getComponentName()); 6734 if (DEBUG_SHOW_INFO) { 6735 Log.v(TAG, " " + type + " " 6736 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6737 : a.info.name) + ":"); 6738 Log.v(TAG, " Class=" + a.info.name); 6739 } 6740 final int NI = a.intents.size(); 6741 for (int j=0; j<NI; j++) { 6742 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6743 if (DEBUG_SHOW_INFO) { 6744 Log.v(TAG, " IntentFilter:"); 6745 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6746 } 6747 removeFilter(intent); 6748 } 6749 } 6750 6751 @Override 6752 protected boolean allowFilterResult( 6753 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6754 ActivityInfo filterAi = filter.activity.info; 6755 for (int i=dest.size()-1; i>=0; i--) { 6756 ActivityInfo destAi = dest.get(i).activityInfo; 6757 if (destAi.name == filterAi.name 6758 && destAi.packageName == filterAi.packageName) { 6759 return false; 6760 } 6761 } 6762 return true; 6763 } 6764 6765 @Override 6766 protected ActivityIntentInfo[] newArray(int size) { 6767 return new ActivityIntentInfo[size]; 6768 } 6769 6770 @Override 6771 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6772 if (!sUserManager.exists(userId)) return true; 6773 PackageParser.Package p = filter.activity.owner; 6774 if (p != null) { 6775 PackageSetting ps = (PackageSetting)p.mExtras; 6776 if (ps != null) { 6777 // System apps are never considered stopped for purposes of 6778 // filtering, because there may be no way for the user to 6779 // actually re-launch them. 6780 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6781 && ps.getStopped(userId); 6782 } 6783 } 6784 return false; 6785 } 6786 6787 @Override 6788 protected boolean isPackageForFilter(String packageName, 6789 PackageParser.ActivityIntentInfo info) { 6790 return packageName.equals(info.activity.owner.packageName); 6791 } 6792 6793 @Override 6794 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6795 int match, int userId) { 6796 if (!sUserManager.exists(userId)) return null; 6797 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6798 return null; 6799 } 6800 final PackageParser.Activity activity = info.activity; 6801 if (mSafeMode && (activity.info.applicationInfo.flags 6802 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6803 return null; 6804 } 6805 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6806 if (ps == null) { 6807 return null; 6808 } 6809 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6810 ps.readUserState(userId), userId); 6811 if (ai == null) { 6812 return null; 6813 } 6814 final ResolveInfo res = new ResolveInfo(); 6815 res.activityInfo = ai; 6816 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6817 res.filter = info; 6818 } 6819 res.priority = info.getPriority(); 6820 res.preferredOrder = activity.owner.mPreferredOrder; 6821 //System.out.println("Result: " + res.activityInfo.className + 6822 // " = " + res.priority); 6823 res.match = match; 6824 res.isDefault = info.hasDefault; 6825 res.labelRes = info.labelRes; 6826 res.nonLocalizedLabel = info.nonLocalizedLabel; 6827 res.icon = info.icon; 6828 res.system = isSystemApp(res.activityInfo.applicationInfo); 6829 return res; 6830 } 6831 6832 @Override 6833 protected void sortResults(List<ResolveInfo> results) { 6834 Collections.sort(results, mResolvePrioritySorter); 6835 } 6836 6837 @Override 6838 protected void dumpFilter(PrintWriter out, String prefix, 6839 PackageParser.ActivityIntentInfo filter) { 6840 out.print(prefix); out.print( 6841 Integer.toHexString(System.identityHashCode(filter.activity))); 6842 out.print(' '); 6843 filter.activity.printComponentShortName(out); 6844 out.print(" filter "); 6845 out.println(Integer.toHexString(System.identityHashCode(filter))); 6846 } 6847 6848// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6849// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6850// final List<ResolveInfo> retList = Lists.newArrayList(); 6851// while (i.hasNext()) { 6852// final ResolveInfo resolveInfo = i.next(); 6853// if (isEnabledLP(resolveInfo.activityInfo)) { 6854// retList.add(resolveInfo); 6855// } 6856// } 6857// return retList; 6858// } 6859 6860 // Keys are String (activity class name), values are Activity. 6861 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6862 = new HashMap<ComponentName, PackageParser.Activity>(); 6863 private int mFlags; 6864 } 6865 6866 private final class ServiceIntentResolver 6867 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6868 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6869 boolean defaultOnly, int userId) { 6870 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6871 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6872 } 6873 6874 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6875 int userId) { 6876 if (!sUserManager.exists(userId)) return null; 6877 mFlags = flags; 6878 return super.queryIntent(intent, resolvedType, 6879 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6880 } 6881 6882 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6883 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6884 if (!sUserManager.exists(userId)) return null; 6885 if (packageServices == null) { 6886 return null; 6887 } 6888 mFlags = flags; 6889 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6890 final int N = packageServices.size(); 6891 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6892 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6893 6894 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6895 for (int i = 0; i < N; ++i) { 6896 intentFilters = packageServices.get(i).intents; 6897 if (intentFilters != null && intentFilters.size() > 0) { 6898 PackageParser.ServiceIntentInfo[] array = 6899 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6900 intentFilters.toArray(array); 6901 listCut.add(array); 6902 } 6903 } 6904 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6905 } 6906 6907 public final void addService(PackageParser.Service s) { 6908 mServices.put(s.getComponentName(), s); 6909 if (DEBUG_SHOW_INFO) { 6910 Log.v(TAG, " " 6911 + (s.info.nonLocalizedLabel != null 6912 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6913 Log.v(TAG, " Class=" + s.info.name); 6914 } 6915 final int NI = s.intents.size(); 6916 int j; 6917 for (j=0; j<NI; j++) { 6918 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6919 if (DEBUG_SHOW_INFO) { 6920 Log.v(TAG, " IntentFilter:"); 6921 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6922 } 6923 if (!intent.debugCheck()) { 6924 Log.w(TAG, "==> For Service " + s.info.name); 6925 } 6926 addFilter(intent); 6927 } 6928 } 6929 6930 public final void removeService(PackageParser.Service s) { 6931 mServices.remove(s.getComponentName()); 6932 if (DEBUG_SHOW_INFO) { 6933 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6934 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6935 Log.v(TAG, " Class=" + s.info.name); 6936 } 6937 final int NI = s.intents.size(); 6938 int j; 6939 for (j=0; j<NI; j++) { 6940 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6941 if (DEBUG_SHOW_INFO) { 6942 Log.v(TAG, " IntentFilter:"); 6943 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6944 } 6945 removeFilter(intent); 6946 } 6947 } 6948 6949 @Override 6950 protected boolean allowFilterResult( 6951 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6952 ServiceInfo filterSi = filter.service.info; 6953 for (int i=dest.size()-1; i>=0; i--) { 6954 ServiceInfo destAi = dest.get(i).serviceInfo; 6955 if (destAi.name == filterSi.name 6956 && destAi.packageName == filterSi.packageName) { 6957 return false; 6958 } 6959 } 6960 return true; 6961 } 6962 6963 @Override 6964 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6965 return new PackageParser.ServiceIntentInfo[size]; 6966 } 6967 6968 @Override 6969 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6970 if (!sUserManager.exists(userId)) return true; 6971 PackageParser.Package p = filter.service.owner; 6972 if (p != null) { 6973 PackageSetting ps = (PackageSetting)p.mExtras; 6974 if (ps != null) { 6975 // System apps are never considered stopped for purposes of 6976 // filtering, because there may be no way for the user to 6977 // actually re-launch them. 6978 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6979 && ps.getStopped(userId); 6980 } 6981 } 6982 return false; 6983 } 6984 6985 @Override 6986 protected boolean isPackageForFilter(String packageName, 6987 PackageParser.ServiceIntentInfo info) { 6988 return packageName.equals(info.service.owner.packageName); 6989 } 6990 6991 @Override 6992 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6993 int match, int userId) { 6994 if (!sUserManager.exists(userId)) return null; 6995 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6996 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6997 return null; 6998 } 6999 final PackageParser.Service service = info.service; 7000 if (mSafeMode && (service.info.applicationInfo.flags 7001 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7002 return null; 7003 } 7004 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7005 if (ps == null) { 7006 return null; 7007 } 7008 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7009 ps.readUserState(userId), userId); 7010 if (si == null) { 7011 return null; 7012 } 7013 final ResolveInfo res = new ResolveInfo(); 7014 res.serviceInfo = si; 7015 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7016 res.filter = filter; 7017 } 7018 res.priority = info.getPriority(); 7019 res.preferredOrder = service.owner.mPreferredOrder; 7020 //System.out.println("Result: " + res.activityInfo.className + 7021 // " = " + res.priority); 7022 res.match = match; 7023 res.isDefault = info.hasDefault; 7024 res.labelRes = info.labelRes; 7025 res.nonLocalizedLabel = info.nonLocalizedLabel; 7026 res.icon = info.icon; 7027 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7028 return res; 7029 } 7030 7031 @Override 7032 protected void sortResults(List<ResolveInfo> results) { 7033 Collections.sort(results, mResolvePrioritySorter); 7034 } 7035 7036 @Override 7037 protected void dumpFilter(PrintWriter out, String prefix, 7038 PackageParser.ServiceIntentInfo filter) { 7039 out.print(prefix); out.print( 7040 Integer.toHexString(System.identityHashCode(filter.service))); 7041 out.print(' '); 7042 filter.service.printComponentShortName(out); 7043 out.print(" filter "); 7044 out.println(Integer.toHexString(System.identityHashCode(filter))); 7045 } 7046 7047// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7048// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7049// final List<ResolveInfo> retList = Lists.newArrayList(); 7050// while (i.hasNext()) { 7051// final ResolveInfo resolveInfo = (ResolveInfo) i; 7052// if (isEnabledLP(resolveInfo.serviceInfo)) { 7053// retList.add(resolveInfo); 7054// } 7055// } 7056// return retList; 7057// } 7058 7059 // Keys are String (activity class name), values are Activity. 7060 private final HashMap<ComponentName, PackageParser.Service> mServices 7061 = new HashMap<ComponentName, PackageParser.Service>(); 7062 private int mFlags; 7063 }; 7064 7065 private final class ProviderIntentResolver 7066 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7067 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7068 boolean defaultOnly, int userId) { 7069 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7070 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7071 } 7072 7073 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7074 int userId) { 7075 if (!sUserManager.exists(userId)) 7076 return null; 7077 mFlags = flags; 7078 return super.queryIntent(intent, resolvedType, 7079 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7080 } 7081 7082 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7083 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7084 if (!sUserManager.exists(userId)) 7085 return null; 7086 if (packageProviders == null) { 7087 return null; 7088 } 7089 mFlags = flags; 7090 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7091 final int N = packageProviders.size(); 7092 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7093 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7094 7095 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7096 for (int i = 0; i < N; ++i) { 7097 intentFilters = packageProviders.get(i).intents; 7098 if (intentFilters != null && intentFilters.size() > 0) { 7099 PackageParser.ProviderIntentInfo[] array = 7100 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7101 intentFilters.toArray(array); 7102 listCut.add(array); 7103 } 7104 } 7105 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7106 } 7107 7108 public final void addProvider(PackageParser.Provider p) { 7109 if (mProviders.containsKey(p.getComponentName())) { 7110 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7111 return; 7112 } 7113 7114 mProviders.put(p.getComponentName(), p); 7115 if (DEBUG_SHOW_INFO) { 7116 Log.v(TAG, " " 7117 + (p.info.nonLocalizedLabel != null 7118 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7119 Log.v(TAG, " Class=" + p.info.name); 7120 } 7121 final int NI = p.intents.size(); 7122 int j; 7123 for (j = 0; j < NI; j++) { 7124 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7125 if (DEBUG_SHOW_INFO) { 7126 Log.v(TAG, " IntentFilter:"); 7127 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7128 } 7129 if (!intent.debugCheck()) { 7130 Log.w(TAG, "==> For Provider " + p.info.name); 7131 } 7132 addFilter(intent); 7133 } 7134 } 7135 7136 public final void removeProvider(PackageParser.Provider p) { 7137 mProviders.remove(p.getComponentName()); 7138 if (DEBUG_SHOW_INFO) { 7139 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7140 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7141 Log.v(TAG, " Class=" + p.info.name); 7142 } 7143 final int NI = p.intents.size(); 7144 int j; 7145 for (j = 0; j < NI; j++) { 7146 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7147 if (DEBUG_SHOW_INFO) { 7148 Log.v(TAG, " IntentFilter:"); 7149 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7150 } 7151 removeFilter(intent); 7152 } 7153 } 7154 7155 @Override 7156 protected boolean allowFilterResult( 7157 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7158 ProviderInfo filterPi = filter.provider.info; 7159 for (int i = dest.size() - 1; i >= 0; i--) { 7160 ProviderInfo destPi = dest.get(i).providerInfo; 7161 if (destPi.name == filterPi.name 7162 && destPi.packageName == filterPi.packageName) { 7163 return false; 7164 } 7165 } 7166 return true; 7167 } 7168 7169 @Override 7170 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7171 return new PackageParser.ProviderIntentInfo[size]; 7172 } 7173 7174 @Override 7175 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7176 if (!sUserManager.exists(userId)) 7177 return true; 7178 PackageParser.Package p = filter.provider.owner; 7179 if (p != null) { 7180 PackageSetting ps = (PackageSetting) p.mExtras; 7181 if (ps != null) { 7182 // System apps are never considered stopped for purposes of 7183 // filtering, because there may be no way for the user to 7184 // actually re-launch them. 7185 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7186 && ps.getStopped(userId); 7187 } 7188 } 7189 return false; 7190 } 7191 7192 @Override 7193 protected boolean isPackageForFilter(String packageName, 7194 PackageParser.ProviderIntentInfo info) { 7195 return packageName.equals(info.provider.owner.packageName); 7196 } 7197 7198 @Override 7199 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7200 int match, int userId) { 7201 if (!sUserManager.exists(userId)) 7202 return null; 7203 final PackageParser.ProviderIntentInfo info = filter; 7204 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7205 return null; 7206 } 7207 final PackageParser.Provider provider = info.provider; 7208 if (mSafeMode && (provider.info.applicationInfo.flags 7209 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7210 return null; 7211 } 7212 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7213 if (ps == null) { 7214 return null; 7215 } 7216 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7217 ps.readUserState(userId), userId); 7218 if (pi == null) { 7219 return null; 7220 } 7221 final ResolveInfo res = new ResolveInfo(); 7222 res.providerInfo = pi; 7223 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7224 res.filter = filter; 7225 } 7226 res.priority = info.getPriority(); 7227 res.preferredOrder = provider.owner.mPreferredOrder; 7228 res.match = match; 7229 res.isDefault = info.hasDefault; 7230 res.labelRes = info.labelRes; 7231 res.nonLocalizedLabel = info.nonLocalizedLabel; 7232 res.icon = info.icon; 7233 res.system = isSystemApp(res.providerInfo.applicationInfo); 7234 return res; 7235 } 7236 7237 @Override 7238 protected void sortResults(List<ResolveInfo> results) { 7239 Collections.sort(results, mResolvePrioritySorter); 7240 } 7241 7242 @Override 7243 protected void dumpFilter(PrintWriter out, String prefix, 7244 PackageParser.ProviderIntentInfo filter) { 7245 out.print(prefix); 7246 out.print( 7247 Integer.toHexString(System.identityHashCode(filter.provider))); 7248 out.print(' '); 7249 filter.provider.printComponentShortName(out); 7250 out.print(" filter "); 7251 out.println(Integer.toHexString(System.identityHashCode(filter))); 7252 } 7253 7254 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7255 = new HashMap<ComponentName, PackageParser.Provider>(); 7256 private int mFlags; 7257 }; 7258 7259 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7260 new Comparator<ResolveInfo>() { 7261 public int compare(ResolveInfo r1, ResolveInfo r2) { 7262 int v1 = r1.priority; 7263 int v2 = r2.priority; 7264 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7265 if (v1 != v2) { 7266 return (v1 > v2) ? -1 : 1; 7267 } 7268 v1 = r1.preferredOrder; 7269 v2 = r2.preferredOrder; 7270 if (v1 != v2) { 7271 return (v1 > v2) ? -1 : 1; 7272 } 7273 if (r1.isDefault != r2.isDefault) { 7274 return r1.isDefault ? -1 : 1; 7275 } 7276 v1 = r1.match; 7277 v2 = r2.match; 7278 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7279 if (v1 != v2) { 7280 return (v1 > v2) ? -1 : 1; 7281 } 7282 if (r1.system != r2.system) { 7283 return r1.system ? -1 : 1; 7284 } 7285 return 0; 7286 } 7287 }; 7288 7289 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7290 new Comparator<ProviderInfo>() { 7291 public int compare(ProviderInfo p1, ProviderInfo p2) { 7292 final int v1 = p1.initOrder; 7293 final int v2 = p2.initOrder; 7294 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7295 } 7296 }; 7297 7298 static final void sendPackageBroadcast(String action, String pkg, 7299 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7300 int[] userIds) { 7301 IActivityManager am = ActivityManagerNative.getDefault(); 7302 if (am != null) { 7303 try { 7304 if (userIds == null) { 7305 userIds = am.getRunningUserIds(); 7306 } 7307 for (int id : userIds) { 7308 final Intent intent = new Intent(action, 7309 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7310 if (extras != null) { 7311 intent.putExtras(extras); 7312 } 7313 if (targetPkg != null) { 7314 intent.setPackage(targetPkg); 7315 } 7316 // Modify the UID when posting to other users 7317 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7318 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7319 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7320 intent.putExtra(Intent.EXTRA_UID, uid); 7321 } 7322 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7323 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7324 if (DEBUG_BROADCASTS) { 7325 RuntimeException here = new RuntimeException("here"); 7326 here.fillInStackTrace(); 7327 Slog.d(TAG, "Sending to user " + id + ": " 7328 + intent.toShortString(false, true, false, false) 7329 + " " + intent.getExtras(), here); 7330 } 7331 am.broadcastIntent(null, intent, null, finishedReceiver, 7332 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7333 finishedReceiver != null, false, id); 7334 } 7335 } catch (RemoteException ex) { 7336 } 7337 } 7338 } 7339 7340 /** 7341 * Check if the external storage media is available. This is true if there 7342 * is a mounted external storage medium or if the external storage is 7343 * emulated. 7344 */ 7345 private boolean isExternalMediaAvailable() { 7346 return mMediaMounted || Environment.isExternalStorageEmulated(); 7347 } 7348 7349 @Override 7350 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7351 // writer 7352 synchronized (mPackages) { 7353 if (!isExternalMediaAvailable()) { 7354 // If the external storage is no longer mounted at this point, 7355 // the caller may not have been able to delete all of this 7356 // packages files and can not delete any more. Bail. 7357 return null; 7358 } 7359 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7360 if (lastPackage != null) { 7361 pkgs.remove(lastPackage); 7362 } 7363 if (pkgs.size() > 0) { 7364 return pkgs.get(0); 7365 } 7366 } 7367 return null; 7368 } 7369 7370 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7371 if (false) { 7372 RuntimeException here = new RuntimeException("here"); 7373 here.fillInStackTrace(); 7374 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7375 + " andCode=" + andCode, here); 7376 } 7377 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7378 userId, andCode ? 1 : 0, packageName)); 7379 } 7380 7381 void startCleaningPackages() { 7382 // reader 7383 synchronized (mPackages) { 7384 if (!isExternalMediaAvailable()) { 7385 return; 7386 } 7387 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7388 return; 7389 } 7390 } 7391 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7392 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7393 IActivityManager am = ActivityManagerNative.getDefault(); 7394 if (am != null) { 7395 try { 7396 am.startService(null, intent, null, UserHandle.USER_OWNER); 7397 } catch (RemoteException e) { 7398 } 7399 } 7400 } 7401 7402 private final class AppDirObserver extends FileObserver { 7403 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7404 super(path, mask); 7405 mRootDir = path; 7406 mIsRom = isrom; 7407 mIsPrivileged = isPrivileged; 7408 } 7409 7410 public void onEvent(int event, String path) { 7411 String removedPackage = null; 7412 int removedAppId = -1; 7413 int[] removedUsers = null; 7414 String addedPackage = null; 7415 int addedAppId = -1; 7416 int[] addedUsers = null; 7417 7418 // TODO post a message to the handler to obtain serial ordering 7419 synchronized (mInstallLock) { 7420 String fullPathStr = null; 7421 File fullPath = null; 7422 if (path != null) { 7423 fullPath = new File(mRootDir, path); 7424 fullPathStr = fullPath.getPath(); 7425 } 7426 7427 if (DEBUG_APP_DIR_OBSERVER) 7428 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7429 7430 if (!isPackageFilename(path)) { 7431 if (DEBUG_APP_DIR_OBSERVER) 7432 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7433 return; 7434 } 7435 7436 // Ignore packages that are being installed or 7437 // have just been installed. 7438 if (ignoreCodePath(fullPathStr)) { 7439 return; 7440 } 7441 PackageParser.Package p = null; 7442 PackageSetting ps = null; 7443 // reader 7444 synchronized (mPackages) { 7445 p = mAppDirs.get(fullPathStr); 7446 if (p != null) { 7447 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7448 if (ps != null) { 7449 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7450 } else { 7451 removedUsers = sUserManager.getUserIds(); 7452 } 7453 } 7454 addedUsers = sUserManager.getUserIds(); 7455 } 7456 if ((event&REMOVE_EVENTS) != 0) { 7457 if (ps != null) { 7458 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7459 removePackageLI(ps, true); 7460 removedPackage = ps.name; 7461 removedAppId = ps.appId; 7462 } 7463 } 7464 7465 if ((event&ADD_EVENTS) != 0) { 7466 if (p == null) { 7467 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7468 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7469 if (mIsRom) { 7470 flags |= PackageParser.PARSE_IS_SYSTEM 7471 | PackageParser.PARSE_IS_SYSTEM_DIR; 7472 if (mIsPrivileged) { 7473 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7474 } 7475 } 7476 p = scanPackageLI(fullPath, flags, 7477 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7478 System.currentTimeMillis(), UserHandle.ALL); 7479 if (p != null) { 7480 /* 7481 * TODO this seems dangerous as the package may have 7482 * changed since we last acquired the mPackages 7483 * lock. 7484 */ 7485 // writer 7486 synchronized (mPackages) { 7487 updatePermissionsLPw(p.packageName, p, 7488 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7489 } 7490 addedPackage = p.applicationInfo.packageName; 7491 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7492 } 7493 } 7494 } 7495 7496 // reader 7497 synchronized (mPackages) { 7498 mSettings.writeLPr(); 7499 } 7500 } 7501 7502 if (removedPackage != null) { 7503 Bundle extras = new Bundle(1); 7504 extras.putInt(Intent.EXTRA_UID, removedAppId); 7505 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7506 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7507 extras, null, null, removedUsers); 7508 } 7509 if (addedPackage != null) { 7510 Bundle extras = new Bundle(1); 7511 extras.putInt(Intent.EXTRA_UID, addedAppId); 7512 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7513 extras, null, null, addedUsers); 7514 } 7515 } 7516 7517 private final String mRootDir; 7518 private final boolean mIsRom; 7519 private final boolean mIsPrivileged; 7520 } 7521 7522 /* 7523 * The old-style observer methods all just trampoline to the newer signature with 7524 * expanded install observer API. The older API continues to work but does not 7525 * supply the additional details of the Observer2 API. 7526 */ 7527 7528 /* Called when a downloaded package installation has been confirmed by the user */ 7529 public void installPackage( 7530 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7531 installPackageEtc(packageURI, observer, null, flags, null); 7532 } 7533 7534 /* Called when a downloaded package installation has been confirmed by the user */ 7535 @Override 7536 public void installPackage( 7537 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7538 final String installerPackageName) { 7539 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7540 installerPackageName, null, null, null); 7541 } 7542 7543 @Override 7544 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7545 int flags, String installerPackageName, Uri verificationURI, 7546 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7547 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7548 VerificationParams.NO_UID, manifestDigest); 7549 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7550 installerPackageName, verificationParams, encryptionParams); 7551 } 7552 7553 @Override 7554 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7555 IPackageInstallObserver observer, int flags, String installerPackageName, 7556 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7557 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7558 installerPackageName, verificationParams, encryptionParams); 7559 } 7560 7561 /* 7562 * And here are the "live" versions that take both observer arguments 7563 */ 7564 public void installPackageEtc( 7565 final Uri packageURI, final IPackageInstallObserver observer, 7566 IPackageInstallObserver2 observer2, final int flags) { 7567 installPackageEtc(packageURI, observer, observer2, flags, null); 7568 } 7569 7570 public void installPackageEtc( 7571 final Uri packageURI, final IPackageInstallObserver observer, 7572 final IPackageInstallObserver2 observer2, final int flags, 7573 final String installerPackageName) { 7574 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7575 installerPackageName, null, null, null); 7576 } 7577 7578 @Override 7579 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7580 IPackageInstallObserver2 observer2, 7581 int flags, String installerPackageName, Uri verificationURI, 7582 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7583 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7584 VerificationParams.NO_UID, manifestDigest); 7585 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7586 installerPackageName, verificationParams, encryptionParams); 7587 } 7588 7589 /* 7590 * All of the installPackage...*() methods redirect to this one for the master implementation 7591 */ 7592 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7593 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7594 int flags, String installerPackageName, 7595 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7596 if (observer == null && observer2 == null) { 7597 throw new IllegalArgumentException("No install observer supplied"); 7598 } 7599 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7600 null); 7601 7602 final int uid = Binder.getCallingUid(); 7603 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7604 try { 7605 if (observer != null) { 7606 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7607 } 7608 if (observer2 != null) { 7609 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7610 } 7611 } catch (RemoteException re) { 7612 } 7613 return; 7614 } 7615 7616 UserHandle user; 7617 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7618 user = UserHandle.ALL; 7619 } else { 7620 user = new UserHandle(UserHandle.getUserId(uid)); 7621 } 7622 7623 final int filteredFlags; 7624 7625 if (uid == Process.SHELL_UID || uid == 0) { 7626 if (DEBUG_INSTALL) { 7627 Slog.v(TAG, "Install from ADB"); 7628 } 7629 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7630 } else { 7631 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7632 } 7633 7634 verificationParams.setInstallerUid(uid); 7635 7636 final Message msg = mHandler.obtainMessage(INIT_COPY); 7637 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7638 installerPackageName, verificationParams, encryptionParams, user); 7639 mHandler.sendMessage(msg); 7640 } 7641 7642 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7643 Bundle extras = new Bundle(1); 7644 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7645 7646 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7647 packageName, extras, null, null, new int[] {userId}); 7648 try { 7649 IActivityManager am = ActivityManagerNative.getDefault(); 7650 final boolean isSystem = 7651 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7652 if (isSystem && am.isUserRunning(userId, false)) { 7653 // The just-installed/enabled app is bundled on the system, so presumed 7654 // to be able to run automatically without needing an explicit launch. 7655 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7656 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7657 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7658 .setPackage(packageName); 7659 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7660 android.app.AppOpsManager.OP_NONE, false, false, userId); 7661 } 7662 } catch (RemoteException e) { 7663 // shouldn't happen 7664 Slog.w(TAG, "Unable to bootstrap installed package", e); 7665 } 7666 } 7667 7668 @Override 7669 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7670 int userId) { 7671 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7672 PackageSetting pkgSetting; 7673 final int uid = Binder.getCallingUid(); 7674 if (UserHandle.getUserId(uid) != userId) { 7675 mContext.enforceCallingOrSelfPermission( 7676 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7677 "setApplicationBlockedSetting for user " + userId); 7678 } 7679 7680 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7681 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7682 return false; 7683 } 7684 7685 long callingId = Binder.clearCallingIdentity(); 7686 try { 7687 boolean sendAdded = false; 7688 boolean sendRemoved = false; 7689 // writer 7690 synchronized (mPackages) { 7691 pkgSetting = mSettings.mPackages.get(packageName); 7692 if (pkgSetting == null) { 7693 return false; 7694 } 7695 if (pkgSetting.getBlocked(userId) != blocked) { 7696 pkgSetting.setBlocked(blocked, userId); 7697 mSettings.writePackageRestrictionsLPr(userId); 7698 if (blocked) { 7699 sendRemoved = true; 7700 } else { 7701 sendAdded = true; 7702 } 7703 } 7704 } 7705 if (sendAdded) { 7706 sendPackageAddedForUser(packageName, pkgSetting, userId); 7707 return true; 7708 } 7709 if (sendRemoved) { 7710 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7711 "blocking pkg"); 7712 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7713 } 7714 } finally { 7715 Binder.restoreCallingIdentity(callingId); 7716 } 7717 return false; 7718 } 7719 7720 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7721 int userId) { 7722 final PackageRemovedInfo info = new PackageRemovedInfo(); 7723 info.removedPackage = packageName; 7724 info.removedUsers = new int[] {userId}; 7725 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7726 info.sendBroadcast(false, false, false); 7727 } 7728 7729 /** 7730 * Returns true if application is not found or there was an error. Otherwise it returns 7731 * the blocked state of the package for the given user. 7732 */ 7733 @Override 7734 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7735 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7736 PackageSetting pkgSetting; 7737 final int uid = Binder.getCallingUid(); 7738 if (UserHandle.getUserId(uid) != userId) { 7739 mContext.enforceCallingPermission( 7740 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7741 "getApplicationBlocked for user " + userId); 7742 } 7743 long callingId = Binder.clearCallingIdentity(); 7744 try { 7745 // writer 7746 synchronized (mPackages) { 7747 pkgSetting = mSettings.mPackages.get(packageName); 7748 if (pkgSetting == null) { 7749 return true; 7750 } 7751 return pkgSetting.getBlocked(userId); 7752 } 7753 } finally { 7754 Binder.restoreCallingIdentity(callingId); 7755 } 7756 } 7757 7758 void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer, 7759 int flags) { 7760 // TODO: install stage! 7761 try { 7762 observer.packageInstalled(basePackageName, null, 7763 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7764 } catch (RemoteException ignored) { 7765 } 7766 } 7767 7768 /** 7769 * @hide 7770 */ 7771 @Override 7772 public int installExistingPackageAsUser(String packageName, int userId) { 7773 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7774 null); 7775 PackageSetting pkgSetting; 7776 final int uid = Binder.getCallingUid(); 7777 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7778 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7779 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7780 } 7781 7782 long callingId = Binder.clearCallingIdentity(); 7783 try { 7784 boolean sendAdded = false; 7785 Bundle extras = new Bundle(1); 7786 7787 // writer 7788 synchronized (mPackages) { 7789 pkgSetting = mSettings.mPackages.get(packageName); 7790 if (pkgSetting == null) { 7791 return PackageManager.INSTALL_FAILED_INVALID_URI; 7792 } 7793 if (!pkgSetting.getInstalled(userId)) { 7794 pkgSetting.setInstalled(true, userId); 7795 pkgSetting.setBlocked(false, userId); 7796 mSettings.writePackageRestrictionsLPr(userId); 7797 sendAdded = true; 7798 } 7799 } 7800 7801 if (sendAdded) { 7802 sendPackageAddedForUser(packageName, pkgSetting, userId); 7803 } 7804 } finally { 7805 Binder.restoreCallingIdentity(callingId); 7806 } 7807 7808 return PackageManager.INSTALL_SUCCEEDED; 7809 } 7810 7811 boolean isUserRestricted(int userId, String restrictionKey) { 7812 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7813 if (restrictions.getBoolean(restrictionKey, false)) { 7814 Log.w(TAG, "User is restricted: " + restrictionKey); 7815 return true; 7816 } 7817 return false; 7818 } 7819 7820 @Override 7821 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7822 mContext.enforceCallingOrSelfPermission( 7823 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7824 "Only package verification agents can verify applications"); 7825 7826 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7827 final PackageVerificationResponse response = new PackageVerificationResponse( 7828 verificationCode, Binder.getCallingUid()); 7829 msg.arg1 = id; 7830 msg.obj = response; 7831 mHandler.sendMessage(msg); 7832 } 7833 7834 @Override 7835 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7836 long millisecondsToDelay) { 7837 mContext.enforceCallingOrSelfPermission( 7838 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7839 "Only package verification agents can extend verification timeouts"); 7840 7841 final PackageVerificationState state = mPendingVerification.get(id); 7842 final PackageVerificationResponse response = new PackageVerificationResponse( 7843 verificationCodeAtTimeout, Binder.getCallingUid()); 7844 7845 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7846 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7847 } 7848 if (millisecondsToDelay < 0) { 7849 millisecondsToDelay = 0; 7850 } 7851 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7852 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7853 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7854 } 7855 7856 if ((state != null) && !state.timeoutExtended()) { 7857 state.extendTimeout(); 7858 7859 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7860 msg.arg1 = id; 7861 msg.obj = response; 7862 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7863 } 7864 } 7865 7866 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7867 int verificationCode, UserHandle user) { 7868 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7869 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7870 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7871 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7872 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7873 7874 mContext.sendBroadcastAsUser(intent, user, 7875 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7876 } 7877 7878 private ComponentName matchComponentForVerifier(String packageName, 7879 List<ResolveInfo> receivers) { 7880 ActivityInfo targetReceiver = null; 7881 7882 final int NR = receivers.size(); 7883 for (int i = 0; i < NR; i++) { 7884 final ResolveInfo info = receivers.get(i); 7885 if (info.activityInfo == null) { 7886 continue; 7887 } 7888 7889 if (packageName.equals(info.activityInfo.packageName)) { 7890 targetReceiver = info.activityInfo; 7891 break; 7892 } 7893 } 7894 7895 if (targetReceiver == null) { 7896 return null; 7897 } 7898 7899 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7900 } 7901 7902 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7903 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7904 if (pkgInfo.verifiers.length == 0) { 7905 return null; 7906 } 7907 7908 final int N = pkgInfo.verifiers.length; 7909 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7910 for (int i = 0; i < N; i++) { 7911 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7912 7913 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7914 receivers); 7915 if (comp == null) { 7916 continue; 7917 } 7918 7919 final int verifierUid = getUidForVerifier(verifierInfo); 7920 if (verifierUid == -1) { 7921 continue; 7922 } 7923 7924 if (DEBUG_VERIFY) { 7925 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7926 + " with the correct signature"); 7927 } 7928 sufficientVerifiers.add(comp); 7929 verificationState.addSufficientVerifier(verifierUid); 7930 } 7931 7932 return sufficientVerifiers; 7933 } 7934 7935 private int getUidForVerifier(VerifierInfo verifierInfo) { 7936 synchronized (mPackages) { 7937 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7938 if (pkg == null) { 7939 return -1; 7940 } else if (pkg.mSignatures.length != 1) { 7941 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7942 + " has more than one signature; ignoring"); 7943 return -1; 7944 } 7945 7946 /* 7947 * If the public key of the package's signature does not match 7948 * our expected public key, then this is a different package and 7949 * we should skip. 7950 */ 7951 7952 final byte[] expectedPublicKey; 7953 try { 7954 final Signature verifierSig = pkg.mSignatures[0]; 7955 final PublicKey publicKey = verifierSig.getPublicKey(); 7956 expectedPublicKey = publicKey.getEncoded(); 7957 } catch (CertificateException e) { 7958 return -1; 7959 } 7960 7961 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7962 7963 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7964 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7965 + " does not have the expected public key; ignoring"); 7966 return -1; 7967 } 7968 7969 return pkg.applicationInfo.uid; 7970 } 7971 } 7972 7973 @Override 7974 public void finishPackageInstall(int token) { 7975 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7976 7977 if (DEBUG_INSTALL) { 7978 Slog.v(TAG, "BM finishing package install for " + token); 7979 } 7980 7981 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7982 mHandler.sendMessage(msg); 7983 } 7984 7985 /** 7986 * Get the verification agent timeout. 7987 * 7988 * @return verification timeout in milliseconds 7989 */ 7990 private long getVerificationTimeout() { 7991 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7992 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7993 DEFAULT_VERIFICATION_TIMEOUT); 7994 } 7995 7996 /** 7997 * Get the default verification agent response code. 7998 * 7999 * @return default verification response code 8000 */ 8001 private int getDefaultVerificationResponse() { 8002 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8003 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8004 DEFAULT_VERIFICATION_RESPONSE); 8005 } 8006 8007 /** 8008 * Check whether or not package verification has been enabled. 8009 * 8010 * @return true if verification should be performed 8011 */ 8012 private boolean isVerificationEnabled(int flags) { 8013 if (!DEFAULT_VERIFY_ENABLE) { 8014 return false; 8015 } 8016 8017 // Check if installing from ADB 8018 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8019 // Do not run verification in a test harness environment 8020 if (ActivityManager.isRunningInTestHarness()) { 8021 return false; 8022 } 8023 // Check if the developer does not want package verification for ADB installs 8024 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8025 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8026 return false; 8027 } 8028 } 8029 8030 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8031 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8032 } 8033 8034 /** 8035 * Get the "allow unknown sources" setting. 8036 * 8037 * @return the current "allow unknown sources" setting 8038 */ 8039 private int getUnknownSourcesSettings() { 8040 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8041 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8042 -1); 8043 } 8044 8045 @Override 8046 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8047 final int uid = Binder.getCallingUid(); 8048 // writer 8049 synchronized (mPackages) { 8050 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8051 if (targetPackageSetting == null) { 8052 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8053 } 8054 8055 PackageSetting installerPackageSetting; 8056 if (installerPackageName != null) { 8057 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8058 if (installerPackageSetting == null) { 8059 throw new IllegalArgumentException("Unknown installer package: " 8060 + installerPackageName); 8061 } 8062 } else { 8063 installerPackageSetting = null; 8064 } 8065 8066 Signature[] callerSignature; 8067 Object obj = mSettings.getUserIdLPr(uid); 8068 if (obj != null) { 8069 if (obj instanceof SharedUserSetting) { 8070 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8071 } else if (obj instanceof PackageSetting) { 8072 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8073 } else { 8074 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8075 } 8076 } else { 8077 throw new SecurityException("Unknown calling uid " + uid); 8078 } 8079 8080 // Verify: can't set installerPackageName to a package that is 8081 // not signed with the same cert as the caller. 8082 if (installerPackageSetting != null) { 8083 if (compareSignatures(callerSignature, 8084 installerPackageSetting.signatures.mSignatures) 8085 != PackageManager.SIGNATURE_MATCH) { 8086 throw new SecurityException( 8087 "Caller does not have same cert as new installer package " 8088 + installerPackageName); 8089 } 8090 } 8091 8092 // Verify: if target already has an installer package, it must 8093 // be signed with the same cert as the caller. 8094 if (targetPackageSetting.installerPackageName != null) { 8095 PackageSetting setting = mSettings.mPackages.get( 8096 targetPackageSetting.installerPackageName); 8097 // If the currently set package isn't valid, then it's always 8098 // okay to change it. 8099 if (setting != null) { 8100 if (compareSignatures(callerSignature, 8101 setting.signatures.mSignatures) 8102 != PackageManager.SIGNATURE_MATCH) { 8103 throw new SecurityException( 8104 "Caller does not have same cert as old installer package " 8105 + targetPackageSetting.installerPackageName); 8106 } 8107 } 8108 } 8109 8110 // Okay! 8111 targetPackageSetting.installerPackageName = installerPackageName; 8112 scheduleWriteSettingsLocked(); 8113 } 8114 } 8115 8116 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8117 // Queue up an async operation since the package installation may take a little while. 8118 mHandler.post(new Runnable() { 8119 public void run() { 8120 mHandler.removeCallbacks(this); 8121 // Result object to be returned 8122 PackageInstalledInfo res = new PackageInstalledInfo(); 8123 res.returnCode = currentStatus; 8124 res.uid = -1; 8125 res.pkg = null; 8126 res.removedInfo = new PackageRemovedInfo(); 8127 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8128 args.doPreInstall(res.returnCode); 8129 synchronized (mInstallLock) { 8130 installPackageLI(args, true, res); 8131 } 8132 args.doPostInstall(res.returnCode, res.uid); 8133 } 8134 8135 // A restore should be performed at this point if (a) the install 8136 // succeeded, (b) the operation is not an update, and (c) the new 8137 // package has a backupAgent defined. 8138 final boolean update = res.removedInfo.removedPackage != null; 8139 boolean doRestore = (!update 8140 && res.pkg != null 8141 && res.pkg.applicationInfo.backupAgentName != null); 8142 8143 // Set up the post-install work request bookkeeping. This will be used 8144 // and cleaned up by the post-install event handling regardless of whether 8145 // there's a restore pass performed. Token values are >= 1. 8146 int token; 8147 if (mNextInstallToken < 0) mNextInstallToken = 1; 8148 token = mNextInstallToken++; 8149 8150 PostInstallData data = new PostInstallData(args, res); 8151 mRunningInstalls.put(token, data); 8152 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8153 8154 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8155 // Pass responsibility to the Backup Manager. It will perform a 8156 // restore if appropriate, then pass responsibility back to the 8157 // Package Manager to run the post-install observer callbacks 8158 // and broadcasts. 8159 IBackupManager bm = IBackupManager.Stub.asInterface( 8160 ServiceManager.getService(Context.BACKUP_SERVICE)); 8161 if (bm != null) { 8162 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8163 + " to BM for possible restore"); 8164 try { 8165 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8166 } catch (RemoteException e) { 8167 // can't happen; the backup manager is local 8168 } catch (Exception e) { 8169 Slog.e(TAG, "Exception trying to enqueue restore", e); 8170 doRestore = false; 8171 } 8172 } else { 8173 Slog.e(TAG, "Backup Manager not found!"); 8174 doRestore = false; 8175 } 8176 } 8177 8178 if (!doRestore) { 8179 // No restore possible, or the Backup Manager was mysteriously not 8180 // available -- just fire the post-install work request directly. 8181 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8182 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8183 mHandler.sendMessage(msg); 8184 } 8185 } 8186 }); 8187 } 8188 8189 private abstract class HandlerParams { 8190 private static final int MAX_RETRIES = 4; 8191 8192 /** 8193 * Number of times startCopy() has been attempted and had a non-fatal 8194 * error. 8195 */ 8196 private int mRetries = 0; 8197 8198 /** User handle for the user requesting the information or installation. */ 8199 private final UserHandle mUser; 8200 8201 HandlerParams(UserHandle user) { 8202 mUser = user; 8203 } 8204 8205 UserHandle getUser() { 8206 return mUser; 8207 } 8208 8209 final boolean startCopy() { 8210 boolean res; 8211 try { 8212 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8213 8214 if (++mRetries > MAX_RETRIES) { 8215 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8216 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8217 handleServiceError(); 8218 return false; 8219 } else { 8220 handleStartCopy(); 8221 res = true; 8222 } 8223 } catch (RemoteException e) { 8224 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8225 mHandler.sendEmptyMessage(MCS_RECONNECT); 8226 res = false; 8227 } 8228 handleReturnCode(); 8229 return res; 8230 } 8231 8232 final void serviceError() { 8233 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8234 handleServiceError(); 8235 handleReturnCode(); 8236 } 8237 8238 abstract void handleStartCopy() throws RemoteException; 8239 abstract void handleServiceError(); 8240 abstract void handleReturnCode(); 8241 } 8242 8243 class MeasureParams extends HandlerParams { 8244 private final PackageStats mStats; 8245 private boolean mSuccess; 8246 8247 private final IPackageStatsObserver mObserver; 8248 8249 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8250 super(new UserHandle(stats.userHandle)); 8251 mObserver = observer; 8252 mStats = stats; 8253 } 8254 8255 @Override 8256 public String toString() { 8257 return "MeasureParams{" 8258 + Integer.toHexString(System.identityHashCode(this)) 8259 + " " + mStats.packageName + "}"; 8260 } 8261 8262 @Override 8263 void handleStartCopy() throws RemoteException { 8264 synchronized (mInstallLock) { 8265 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8266 } 8267 8268 if (mSuccess) { 8269 final boolean mounted; 8270 if (Environment.isExternalStorageEmulated()) { 8271 mounted = true; 8272 } else { 8273 final String status = Environment.getExternalStorageState(); 8274 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8275 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8276 } 8277 8278 if (mounted) { 8279 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8280 8281 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8282 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8283 8284 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8285 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8286 8287 // Always subtract cache size, since it's a subdirectory 8288 mStats.externalDataSize -= mStats.externalCacheSize; 8289 8290 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8291 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8292 8293 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8294 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8295 } 8296 } 8297 } 8298 8299 @Override 8300 void handleReturnCode() { 8301 if (mObserver != null) { 8302 try { 8303 mObserver.onGetStatsCompleted(mStats, mSuccess); 8304 } catch (RemoteException e) { 8305 Slog.i(TAG, "Observer no longer exists."); 8306 } 8307 } 8308 } 8309 8310 @Override 8311 void handleServiceError() { 8312 Slog.e(TAG, "Could not measure application " + mStats.packageName 8313 + " external storage"); 8314 } 8315 } 8316 8317 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8318 throws RemoteException { 8319 long result = 0; 8320 for (File path : paths) { 8321 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8322 } 8323 return result; 8324 } 8325 8326 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8327 for (File path : paths) { 8328 try { 8329 mcs.clearDirectory(path.getAbsolutePath()); 8330 } catch (RemoteException e) { 8331 } 8332 } 8333 } 8334 8335 class InstallParams extends HandlerParams { 8336 final IPackageInstallObserver observer; 8337 final IPackageInstallObserver2 observer2; 8338 int flags; 8339 8340 private final Uri mPackageURI; 8341 final String installerPackageName; 8342 final VerificationParams verificationParams; 8343 private InstallArgs mArgs; 8344 private int mRet; 8345 private File mTempPackage; 8346 final ContainerEncryptionParams encryptionParams; 8347 8348 InstallParams(Uri packageURI, 8349 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8350 int flags, String installerPackageName, VerificationParams verificationParams, 8351 ContainerEncryptionParams encryptionParams, UserHandle user) { 8352 super(user); 8353 this.mPackageURI = packageURI; 8354 this.flags = flags; 8355 this.observer = observer; 8356 this.observer2 = observer2; 8357 this.installerPackageName = installerPackageName; 8358 this.verificationParams = verificationParams; 8359 this.encryptionParams = encryptionParams; 8360 } 8361 8362 @Override 8363 public String toString() { 8364 return "InstallParams{" 8365 + Integer.toHexString(System.identityHashCode(this)) 8366 + " " + mPackageURI + "}"; 8367 } 8368 8369 public ManifestDigest getManifestDigest() { 8370 if (verificationParams == null) { 8371 return null; 8372 } 8373 return verificationParams.getManifestDigest(); 8374 } 8375 8376 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8377 String packageName = pkgLite.packageName; 8378 int installLocation = pkgLite.installLocation; 8379 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8380 // reader 8381 synchronized (mPackages) { 8382 PackageParser.Package pkg = mPackages.get(packageName); 8383 if (pkg != null) { 8384 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8385 // Check for downgrading. 8386 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8387 if (pkgLite.versionCode < pkg.mVersionCode) { 8388 Slog.w(TAG, "Can't install update of " + packageName 8389 + " update version " + pkgLite.versionCode 8390 + " is older than installed version " 8391 + pkg.mVersionCode); 8392 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8393 } 8394 } 8395 // Check for updated system application. 8396 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8397 if (onSd) { 8398 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8399 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8400 } 8401 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8402 } else { 8403 if (onSd) { 8404 // Install flag overrides everything. 8405 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8406 } 8407 // If current upgrade specifies particular preference 8408 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8409 // Application explicitly specified internal. 8410 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8411 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8412 // App explictly prefers external. Let policy decide 8413 } else { 8414 // Prefer previous location 8415 if (isExternal(pkg)) { 8416 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8417 } 8418 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8419 } 8420 } 8421 } else { 8422 // Invalid install. Return error code 8423 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8424 } 8425 } 8426 } 8427 // All the special cases have been taken care of. 8428 // Return result based on recommended install location. 8429 if (onSd) { 8430 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8431 } 8432 return pkgLite.recommendedInstallLocation; 8433 } 8434 8435 private long getMemoryLowThreshold() { 8436 final DeviceStorageMonitorInternal 8437 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8438 if (dsm == null) { 8439 return 0L; 8440 } 8441 return dsm.getMemoryLowThreshold(); 8442 } 8443 8444 /* 8445 * Invoke remote method to get package information and install 8446 * location values. Override install location based on default 8447 * policy if needed and then create install arguments based 8448 * on the install location. 8449 */ 8450 public void handleStartCopy() throws RemoteException { 8451 int ret = PackageManager.INSTALL_SUCCEEDED; 8452 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8453 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8454 PackageInfoLite pkgLite = null; 8455 8456 if (onInt && onSd) { 8457 // Check if both bits are set. 8458 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8459 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8460 } else { 8461 final long lowThreshold = getMemoryLowThreshold(); 8462 if (lowThreshold == 0L) { 8463 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8464 } 8465 8466 try { 8467 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8468 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8469 8470 final File packageFile; 8471 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8472 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8473 if (mTempPackage != null) { 8474 ParcelFileDescriptor out; 8475 try { 8476 out = ParcelFileDescriptor.open(mTempPackage, 8477 ParcelFileDescriptor.MODE_READ_WRITE); 8478 } catch (FileNotFoundException e) { 8479 out = null; 8480 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8481 } 8482 8483 // Make a temporary file for decryption. 8484 ret = mContainerService 8485 .copyResource(mPackageURI, encryptionParams, out); 8486 IoUtils.closeQuietly(out); 8487 8488 packageFile = mTempPackage; 8489 8490 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8491 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8492 | FileUtils.S_IROTH, 8493 -1, -1); 8494 } else { 8495 packageFile = null; 8496 } 8497 } else { 8498 packageFile = new File(mPackageURI.getPath()); 8499 } 8500 8501 if (packageFile != null) { 8502 // Remote call to find out default install location 8503 final String packageFilePath = packageFile.getAbsolutePath(); 8504 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8505 lowThreshold); 8506 8507 /* 8508 * If we have too little free space, try to free cache 8509 * before giving up. 8510 */ 8511 if (pkgLite.recommendedInstallLocation 8512 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8513 final long size = mContainerService.calculateInstalledSize( 8514 packageFilePath, isForwardLocked()); 8515 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8516 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8517 flags, lowThreshold); 8518 } 8519 /* 8520 * The cache free must have deleted the file we 8521 * downloaded to install. 8522 * 8523 * TODO: fix the "freeCache" call to not delete 8524 * the file we care about. 8525 */ 8526 if (pkgLite.recommendedInstallLocation 8527 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8528 pkgLite.recommendedInstallLocation 8529 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8530 } 8531 } 8532 } 8533 } finally { 8534 mContext.revokeUriPermission(mPackageURI, 8535 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8536 } 8537 } 8538 8539 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8540 int loc = pkgLite.recommendedInstallLocation; 8541 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8542 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8543 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8544 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8545 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8546 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8547 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8548 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8549 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8550 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8551 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8552 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8553 } else { 8554 // Override with defaults if needed. 8555 loc = installLocationPolicy(pkgLite, flags); 8556 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8557 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8558 } else if (!onSd && !onInt) { 8559 // Override install location with flags 8560 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8561 // Set the flag to install on external media. 8562 flags |= PackageManager.INSTALL_EXTERNAL; 8563 flags &= ~PackageManager.INSTALL_INTERNAL; 8564 } else { 8565 // Make sure the flag for installing on external 8566 // media is unset 8567 flags |= PackageManager.INSTALL_INTERNAL; 8568 flags &= ~PackageManager.INSTALL_EXTERNAL; 8569 } 8570 } 8571 } 8572 } 8573 8574 final InstallArgs args = createInstallArgs(this); 8575 mArgs = args; 8576 8577 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8578 /* 8579 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8580 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8581 */ 8582 int userIdentifier = getUser().getIdentifier(); 8583 if (userIdentifier == UserHandle.USER_ALL 8584 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8585 userIdentifier = UserHandle.USER_OWNER; 8586 } 8587 8588 /* 8589 * Determine if we have any installed package verifiers. If we 8590 * do, then we'll defer to them to verify the packages. 8591 */ 8592 final int requiredUid = mRequiredVerifierPackage == null ? -1 8593 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8594 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8595 final Intent verification = new Intent( 8596 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8597 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8598 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8599 8600 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8601 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8602 0 /* TODO: Which userId? */); 8603 8604 if (DEBUG_VERIFY) { 8605 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8606 + verification.toString() + " with " + pkgLite.verifiers.length 8607 + " optional verifiers"); 8608 } 8609 8610 final int verificationId = mPendingVerificationToken++; 8611 8612 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8613 8614 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8615 installerPackageName); 8616 8617 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8618 8619 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8620 pkgLite.packageName); 8621 8622 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8623 pkgLite.versionCode); 8624 8625 if (verificationParams != null) { 8626 if (verificationParams.getVerificationURI() != null) { 8627 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8628 verificationParams.getVerificationURI()); 8629 } 8630 if (verificationParams.getOriginatingURI() != null) { 8631 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8632 verificationParams.getOriginatingURI()); 8633 } 8634 if (verificationParams.getReferrer() != null) { 8635 verification.putExtra(Intent.EXTRA_REFERRER, 8636 verificationParams.getReferrer()); 8637 } 8638 if (verificationParams.getOriginatingUid() >= 0) { 8639 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8640 verificationParams.getOriginatingUid()); 8641 } 8642 if (verificationParams.getInstallerUid() >= 0) { 8643 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8644 verificationParams.getInstallerUid()); 8645 } 8646 } 8647 8648 final PackageVerificationState verificationState = new PackageVerificationState( 8649 requiredUid, args); 8650 8651 mPendingVerification.append(verificationId, verificationState); 8652 8653 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8654 receivers, verificationState); 8655 8656 /* 8657 * If any sufficient verifiers were listed in the package 8658 * manifest, attempt to ask them. 8659 */ 8660 if (sufficientVerifiers != null) { 8661 final int N = sufficientVerifiers.size(); 8662 if (N == 0) { 8663 Slog.i(TAG, "Additional verifiers required, but none installed."); 8664 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8665 } else { 8666 for (int i = 0; i < N; i++) { 8667 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8668 8669 final Intent sufficientIntent = new Intent(verification); 8670 sufficientIntent.setComponent(verifierComponent); 8671 8672 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8673 } 8674 } 8675 } 8676 8677 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8678 mRequiredVerifierPackage, receivers); 8679 if (ret == PackageManager.INSTALL_SUCCEEDED 8680 && mRequiredVerifierPackage != null) { 8681 /* 8682 * Send the intent to the required verification agent, 8683 * but only start the verification timeout after the 8684 * target BroadcastReceivers have run. 8685 */ 8686 verification.setComponent(requiredVerifierComponent); 8687 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8688 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8689 new BroadcastReceiver() { 8690 @Override 8691 public void onReceive(Context context, Intent intent) { 8692 final Message msg = mHandler 8693 .obtainMessage(CHECK_PENDING_VERIFICATION); 8694 msg.arg1 = verificationId; 8695 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8696 } 8697 }, null, 0, null, null); 8698 8699 /* 8700 * We don't want the copy to proceed until verification 8701 * succeeds, so null out this field. 8702 */ 8703 mArgs = null; 8704 } 8705 } else { 8706 /* 8707 * No package verification is enabled, so immediately start 8708 * the remote call to initiate copy using temporary file. 8709 */ 8710 ret = args.copyApk(mContainerService, true); 8711 } 8712 } 8713 8714 mRet = ret; 8715 } 8716 8717 @Override 8718 void handleReturnCode() { 8719 // If mArgs is null, then MCS couldn't be reached. When it 8720 // reconnects, it will try again to install. At that point, this 8721 // will succeed. 8722 if (mArgs != null) { 8723 processPendingInstall(mArgs, mRet); 8724 8725 if (mTempPackage != null) { 8726 if (!mTempPackage.delete()) { 8727 Slog.w(TAG, "Couldn't delete temporary file: " + 8728 mTempPackage.getAbsolutePath()); 8729 } 8730 } 8731 } 8732 } 8733 8734 @Override 8735 void handleServiceError() { 8736 mArgs = createInstallArgs(this); 8737 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8738 } 8739 8740 public boolean isForwardLocked() { 8741 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8742 } 8743 8744 public Uri getPackageUri() { 8745 if (mTempPackage != null) { 8746 return Uri.fromFile(mTempPackage); 8747 } else { 8748 return mPackageURI; 8749 } 8750 } 8751 } 8752 8753 /* 8754 * Utility class used in movePackage api. 8755 * srcArgs and targetArgs are not set for invalid flags and make 8756 * sure to do null checks when invoking methods on them. 8757 * We probably want to return ErrorPrams for both failed installs 8758 * and moves. 8759 */ 8760 class MoveParams extends HandlerParams { 8761 final IPackageMoveObserver observer; 8762 final int flags; 8763 final String packageName; 8764 final InstallArgs srcArgs; 8765 final InstallArgs targetArgs; 8766 int uid; 8767 int mRet; 8768 8769 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8770 String packageName, String dataDir, String instructionSet, 8771 int uid, UserHandle user) { 8772 super(user); 8773 this.srcArgs = srcArgs; 8774 this.observer = observer; 8775 this.flags = flags; 8776 this.packageName = packageName; 8777 this.uid = uid; 8778 if (srcArgs != null) { 8779 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8780 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8781 } else { 8782 targetArgs = null; 8783 } 8784 } 8785 8786 @Override 8787 public String toString() { 8788 return "MoveParams{" 8789 + Integer.toHexString(System.identityHashCode(this)) 8790 + " " + packageName + "}"; 8791 } 8792 8793 public void handleStartCopy() throws RemoteException { 8794 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8795 // Check for storage space on target medium 8796 if (!targetArgs.checkFreeStorage(mContainerService)) { 8797 Log.w(TAG, "Insufficient storage to install"); 8798 return; 8799 } 8800 8801 mRet = srcArgs.doPreCopy(); 8802 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8803 return; 8804 } 8805 8806 mRet = targetArgs.copyApk(mContainerService, false); 8807 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8808 srcArgs.doPostCopy(uid); 8809 return; 8810 } 8811 8812 mRet = srcArgs.doPostCopy(uid); 8813 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8814 return; 8815 } 8816 8817 mRet = targetArgs.doPreInstall(mRet); 8818 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8819 return; 8820 } 8821 8822 if (DEBUG_SD_INSTALL) { 8823 StringBuilder builder = new StringBuilder(); 8824 if (srcArgs != null) { 8825 builder.append("src: "); 8826 builder.append(srcArgs.getCodePath()); 8827 } 8828 if (targetArgs != null) { 8829 builder.append(" target : "); 8830 builder.append(targetArgs.getCodePath()); 8831 } 8832 Log.i(TAG, builder.toString()); 8833 } 8834 } 8835 8836 @Override 8837 void handleReturnCode() { 8838 targetArgs.doPostInstall(mRet, uid); 8839 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8840 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8841 currentStatus = PackageManager.MOVE_SUCCEEDED; 8842 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8843 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8844 } 8845 processPendingMove(this, currentStatus); 8846 } 8847 8848 @Override 8849 void handleServiceError() { 8850 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8851 } 8852 } 8853 8854 /** 8855 * Used during creation of InstallArgs 8856 * 8857 * @param flags package installation flags 8858 * @return true if should be installed on external storage 8859 */ 8860 private static boolean installOnSd(int flags) { 8861 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8862 return false; 8863 } 8864 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8865 return true; 8866 } 8867 return false; 8868 } 8869 8870 /** 8871 * Used during creation of InstallArgs 8872 * 8873 * @param flags package installation flags 8874 * @return true if should be installed as forward locked 8875 */ 8876 private static boolean installForwardLocked(int flags) { 8877 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8878 } 8879 8880 private InstallArgs createInstallArgs(InstallParams params) { 8881 if (installOnSd(params.flags) || params.isForwardLocked()) { 8882 return new AsecInstallArgs(params); 8883 } else { 8884 return new FileInstallArgs(params); 8885 } 8886 } 8887 8888 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8889 String nativeLibraryPath, String instructionSet) { 8890 final boolean isInAsec; 8891 if (installOnSd(flags)) { 8892 /* Apps on SD card are always in ASEC containers. */ 8893 isInAsec = true; 8894 } else if (installForwardLocked(flags) 8895 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8896 /* 8897 * Forward-locked apps are only in ASEC containers if they're the 8898 * new style 8899 */ 8900 isInAsec = true; 8901 } else { 8902 isInAsec = false; 8903 } 8904 8905 if (isInAsec) { 8906 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8907 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8908 } else { 8909 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8910 instructionSet); 8911 } 8912 } 8913 8914 // Used by package mover 8915 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8916 String instructionSet) { 8917 if (installOnSd(flags) || installForwardLocked(flags)) { 8918 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8919 + AsecInstallArgs.RES_FILE_NAME); 8920 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8921 installForwardLocked(flags)); 8922 } else { 8923 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8924 } 8925 } 8926 8927 static abstract class InstallArgs { 8928 final IPackageInstallObserver observer; 8929 final IPackageInstallObserver2 observer2; 8930 // Always refers to PackageManager flags only 8931 final int flags; 8932 final Uri packageURI; 8933 final String installerPackageName; 8934 final ManifestDigest manifestDigest; 8935 final UserHandle user; 8936 final String instructionSet; 8937 8938 InstallArgs(Uri packageURI, 8939 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8940 int flags, String installerPackageName, ManifestDigest manifestDigest, 8941 UserHandle user, String instructionSet) { 8942 this.packageURI = packageURI; 8943 this.flags = flags; 8944 this.observer = observer; 8945 this.observer2 = observer2; 8946 this.installerPackageName = installerPackageName; 8947 this.manifestDigest = manifestDigest; 8948 this.user = user; 8949 this.instructionSet = instructionSet; 8950 } 8951 8952 abstract void createCopyFile(); 8953 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8954 abstract int doPreInstall(int status); 8955 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8956 8957 abstract int doPostInstall(int status, int uid); 8958 abstract String getCodePath(); 8959 abstract String getResourcePath(); 8960 abstract String getNativeLibraryPath(); 8961 // Need installer lock especially for dex file removal. 8962 abstract void cleanUpResourcesLI(); 8963 abstract boolean doPostDeleteLI(boolean delete); 8964 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8965 8966 /** 8967 * Called before the source arguments are copied. This is used mostly 8968 * for MoveParams when it needs to read the source file to put it in the 8969 * destination. 8970 */ 8971 int doPreCopy() { 8972 return PackageManager.INSTALL_SUCCEEDED; 8973 } 8974 8975 /** 8976 * Called after the source arguments are copied. This is used mostly for 8977 * MoveParams when it needs to read the source file to put it in the 8978 * destination. 8979 * 8980 * @return 8981 */ 8982 int doPostCopy(int uid) { 8983 return PackageManager.INSTALL_SUCCEEDED; 8984 } 8985 8986 protected boolean isFwdLocked() { 8987 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8988 } 8989 8990 UserHandle getUser() { 8991 return user; 8992 } 8993 } 8994 8995 class FileInstallArgs extends InstallArgs { 8996 File installDir; 8997 String codeFileName; 8998 String resourceFileName; 8999 String libraryPath; 9000 boolean created = false; 9001 9002 FileInstallArgs(InstallParams params) { 9003 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9004 params.installerPackageName, params.getManifestDigest(), 9005 params.getUser(), null /* instruction set */); 9006 } 9007 9008 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9009 String instructionSet) { 9010 super(null, null, null, 0, null, null, null, instructionSet); 9011 File codeFile = new File(fullCodePath); 9012 installDir = codeFile.getParentFile(); 9013 codeFileName = fullCodePath; 9014 resourceFileName = fullResourcePath; 9015 libraryPath = nativeLibraryPath; 9016 } 9017 9018 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 9019 super(packageURI, null, null, 0, null, null, null, instructionSet); 9020 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9021 String apkName = getNextCodePath(null, pkgName, ".apk"); 9022 codeFileName = new File(installDir, apkName + ".apk").getPath(); 9023 resourceFileName = getResourcePathFromCodePath(); 9024 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 9025 } 9026 9027 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9028 final long lowThreshold; 9029 9030 final DeviceStorageMonitorInternal 9031 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9032 if (dsm == null) { 9033 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9034 lowThreshold = 0L; 9035 } else { 9036 if (dsm.isMemoryLow()) { 9037 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9038 return false; 9039 } 9040 9041 lowThreshold = dsm.getMemoryLowThreshold(); 9042 } 9043 9044 try { 9045 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9046 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9047 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9048 } finally { 9049 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9050 } 9051 } 9052 9053 String getCodePath() { 9054 return codeFileName; 9055 } 9056 9057 void createCopyFile() { 9058 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9059 codeFileName = createTempPackageFile(installDir).getPath(); 9060 resourceFileName = getResourcePathFromCodePath(); 9061 libraryPath = getLibraryPathFromCodePath(); 9062 created = true; 9063 } 9064 9065 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9066 if (temp) { 9067 // Generate temp file name 9068 createCopyFile(); 9069 } 9070 // Get a ParcelFileDescriptor to write to the output file 9071 File codeFile = new File(codeFileName); 9072 if (!created) { 9073 try { 9074 codeFile.createNewFile(); 9075 // Set permissions 9076 if (!setPermissions()) { 9077 // Failed setting permissions. 9078 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9079 } 9080 } catch (IOException e) { 9081 Slog.w(TAG, "Failed to create file " + codeFile); 9082 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9083 } 9084 } 9085 ParcelFileDescriptor out = null; 9086 try { 9087 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9088 } catch (FileNotFoundException e) { 9089 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9090 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9091 } 9092 // Copy the resource now 9093 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9094 try { 9095 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9096 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9097 ret = imcs.copyResource(packageURI, null, out); 9098 } finally { 9099 IoUtils.closeQuietly(out); 9100 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9101 } 9102 9103 if (isFwdLocked()) { 9104 final File destResourceFile = new File(getResourcePath()); 9105 9106 // Copy the public files 9107 try { 9108 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9109 } catch (IOException e) { 9110 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9111 + " forward-locked app."); 9112 destResourceFile.delete(); 9113 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9114 } 9115 } 9116 9117 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9118 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9119 if (nativeLibraryFile.exists()) { 9120 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9121 nativeLibraryFile.delete(); 9122 } 9123 try { 9124 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 9125 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9126 return copyRet; 9127 } 9128 } catch (IOException e) { 9129 Slog.e(TAG, "Copying native libraries failed", e); 9130 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9131 } 9132 9133 return ret; 9134 } 9135 9136 int doPreInstall(int status) { 9137 if (status != PackageManager.INSTALL_SUCCEEDED) { 9138 cleanUp(); 9139 } 9140 return status; 9141 } 9142 9143 boolean doRename(int status, final String pkgName, String oldCodePath) { 9144 if (status != PackageManager.INSTALL_SUCCEEDED) { 9145 cleanUp(); 9146 return false; 9147 } else { 9148 final File oldCodeFile = new File(getCodePath()); 9149 final File oldResourceFile = new File(getResourcePath()); 9150 final File oldLibraryFile = new File(getNativeLibraryPath()); 9151 9152 // Rename APK file based on packageName 9153 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9154 final File newCodeFile = new File(installDir, apkName + ".apk"); 9155 if (!oldCodeFile.renameTo(newCodeFile)) { 9156 return false; 9157 } 9158 codeFileName = newCodeFile.getPath(); 9159 9160 // Rename public resource file if it's forward-locked. 9161 final File newResFile = new File(getResourcePathFromCodePath()); 9162 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9163 return false; 9164 } 9165 resourceFileName = newResFile.getPath(); 9166 9167 // Rename library path 9168 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9169 if (newLibraryFile.exists()) { 9170 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9171 newLibraryFile.delete(); 9172 } 9173 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9174 Slog.e(TAG, "Cannot rename native library directory " 9175 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9176 return false; 9177 } 9178 libraryPath = newLibraryFile.getPath(); 9179 9180 // Attempt to set permissions 9181 if (!setPermissions()) { 9182 return false; 9183 } 9184 9185 if (!SELinux.restorecon(newCodeFile)) { 9186 return false; 9187 } 9188 9189 return true; 9190 } 9191 } 9192 9193 int doPostInstall(int status, int uid) { 9194 if (status != PackageManager.INSTALL_SUCCEEDED) { 9195 cleanUp(); 9196 } 9197 return status; 9198 } 9199 9200 String getResourcePath() { 9201 return resourceFileName; 9202 } 9203 9204 private String getResourcePathFromCodePath() { 9205 final String codePath = getCodePath(); 9206 if (isFwdLocked()) { 9207 final StringBuilder sb = new StringBuilder(); 9208 9209 sb.append(mAppInstallDir.getPath()); 9210 sb.append('/'); 9211 sb.append(getApkName(codePath)); 9212 sb.append(".zip"); 9213 9214 /* 9215 * If our APK is a temporary file, mark the resource as a 9216 * temporary file as well so it can be cleaned up after 9217 * catastrophic failure. 9218 */ 9219 if (codePath.endsWith(".tmp")) { 9220 sb.append(".tmp"); 9221 } 9222 9223 return sb.toString(); 9224 } else { 9225 return codePath; 9226 } 9227 } 9228 9229 private String getLibraryPathFromCodePath() { 9230 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9231 } 9232 9233 @Override 9234 String getNativeLibraryPath() { 9235 if (libraryPath == null) { 9236 libraryPath = getLibraryPathFromCodePath(); 9237 } 9238 return libraryPath; 9239 } 9240 9241 private boolean cleanUp() { 9242 boolean ret = true; 9243 String sourceDir = getCodePath(); 9244 String publicSourceDir = getResourcePath(); 9245 if (sourceDir != null) { 9246 File sourceFile = new File(sourceDir); 9247 if (!sourceFile.exists()) { 9248 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9249 ret = false; 9250 } 9251 // Delete application's code and resources 9252 sourceFile.delete(); 9253 } 9254 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9255 final File publicSourceFile = new File(publicSourceDir); 9256 if (!publicSourceFile.exists()) { 9257 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9258 } 9259 if (publicSourceFile.exists()) { 9260 publicSourceFile.delete(); 9261 } 9262 } 9263 9264 if (libraryPath != null) { 9265 File nativeLibraryFile = new File(libraryPath); 9266 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9267 if (!nativeLibraryFile.delete()) { 9268 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9269 } 9270 } 9271 9272 return ret; 9273 } 9274 9275 void cleanUpResourcesLI() { 9276 String sourceDir = getCodePath(); 9277 if (cleanUp()) { 9278 if (instructionSet == null) { 9279 throw new IllegalStateException("instructionSet == null"); 9280 } 9281 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9282 if (retCode < 0) { 9283 Slog.w(TAG, "Couldn't remove dex file for package: " 9284 + " at location " 9285 + sourceDir + ", retcode=" + retCode); 9286 // we don't consider this to be a failure of the core package deletion 9287 } 9288 } 9289 } 9290 9291 private boolean setPermissions() { 9292 // TODO Do this in a more elegant way later on. for now just a hack 9293 if (!isFwdLocked()) { 9294 final int filePermissions = 9295 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9296 |FileUtils.S_IROTH; 9297 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9298 if (retCode != 0) { 9299 Slog.e(TAG, "Couldn't set new package file permissions for " + 9300 getCodePath() 9301 + ". The return code was: " + retCode); 9302 // TODO Define new internal error 9303 return false; 9304 } 9305 return true; 9306 } 9307 return true; 9308 } 9309 9310 boolean doPostDeleteLI(boolean delete) { 9311 // XXX err, shouldn't we respect the delete flag? 9312 cleanUpResourcesLI(); 9313 return true; 9314 } 9315 } 9316 9317 private boolean isAsecExternal(String cid) { 9318 final String asecPath = PackageHelper.getSdFilesystem(cid); 9319 return !asecPath.startsWith(mAsecInternalPath); 9320 } 9321 9322 /** 9323 * Extract the MountService "container ID" from the full code path of an 9324 * .apk. 9325 */ 9326 static String cidFromCodePath(String fullCodePath) { 9327 int eidx = fullCodePath.lastIndexOf("/"); 9328 String subStr1 = fullCodePath.substring(0, eidx); 9329 int sidx = subStr1.lastIndexOf("/"); 9330 return subStr1.substring(sidx+1, eidx); 9331 } 9332 9333 class AsecInstallArgs extends InstallArgs { 9334 static final String RES_FILE_NAME = "pkg.apk"; 9335 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9336 9337 String cid; 9338 String packagePath; 9339 String resourcePath; 9340 String libraryPath; 9341 9342 AsecInstallArgs(InstallParams params) { 9343 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9344 params.installerPackageName, params.getManifestDigest(), 9345 params.getUser(), null /* instruction set */); 9346 } 9347 9348 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9349 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9350 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9351 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9352 null, null, null, instructionSet); 9353 // Extract cid from fullCodePath 9354 int eidx = fullCodePath.lastIndexOf("/"); 9355 String subStr1 = fullCodePath.substring(0, eidx); 9356 int sidx = subStr1.lastIndexOf("/"); 9357 cid = subStr1.substring(sidx+1, eidx); 9358 setCachePath(subStr1); 9359 } 9360 9361 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9362 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9363 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9364 null, null, null, instructionSet); 9365 this.cid = cid; 9366 setCachePath(PackageHelper.getSdDir(cid)); 9367 } 9368 9369 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9370 boolean isExternal, boolean isForwardLocked) { 9371 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9372 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9373 null, null, null, instructionSet); 9374 this.cid = cid; 9375 } 9376 9377 void createCopyFile() { 9378 cid = getTempContainerId(); 9379 } 9380 9381 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9382 try { 9383 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9384 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9385 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 9386 } finally { 9387 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9388 } 9389 } 9390 9391 private final boolean isExternal() { 9392 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9393 } 9394 9395 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9396 if (temp) { 9397 createCopyFile(); 9398 } else { 9399 /* 9400 * Pre-emptively destroy the container since it's destroyed if 9401 * copying fails due to it existing anyway. 9402 */ 9403 PackageHelper.destroySdDir(cid); 9404 } 9405 9406 final String newCachePath; 9407 try { 9408 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9409 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9410 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9411 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 9412 } finally { 9413 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9414 } 9415 9416 if (newCachePath != null) { 9417 setCachePath(newCachePath); 9418 return PackageManager.INSTALL_SUCCEEDED; 9419 } else { 9420 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9421 } 9422 } 9423 9424 @Override 9425 String getCodePath() { 9426 return packagePath; 9427 } 9428 9429 @Override 9430 String getResourcePath() { 9431 return resourcePath; 9432 } 9433 9434 @Override 9435 String getNativeLibraryPath() { 9436 return libraryPath; 9437 } 9438 9439 int doPreInstall(int status) { 9440 if (status != PackageManager.INSTALL_SUCCEEDED) { 9441 // Destroy container 9442 PackageHelper.destroySdDir(cid); 9443 } else { 9444 boolean mounted = PackageHelper.isContainerMounted(cid); 9445 if (!mounted) { 9446 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9447 Process.SYSTEM_UID); 9448 if (newCachePath != null) { 9449 setCachePath(newCachePath); 9450 } else { 9451 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9452 } 9453 } 9454 } 9455 return status; 9456 } 9457 9458 boolean doRename(int status, final String pkgName, 9459 String oldCodePath) { 9460 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9461 String newCachePath = null; 9462 if (PackageHelper.isContainerMounted(cid)) { 9463 // Unmount the container 9464 if (!PackageHelper.unMountSdDir(cid)) { 9465 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9466 return false; 9467 } 9468 } 9469 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9470 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9471 " which might be stale. Will try to clean up."); 9472 // Clean up the stale container and proceed to recreate. 9473 if (!PackageHelper.destroySdDir(newCacheId)) { 9474 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9475 return false; 9476 } 9477 // Successfully cleaned up stale container. Try to rename again. 9478 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9479 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9480 + " inspite of cleaning it up."); 9481 return false; 9482 } 9483 } 9484 if (!PackageHelper.isContainerMounted(newCacheId)) { 9485 Slog.w(TAG, "Mounting container " + newCacheId); 9486 newCachePath = PackageHelper.mountSdDir(newCacheId, 9487 getEncryptKey(), Process.SYSTEM_UID); 9488 } else { 9489 newCachePath = PackageHelper.getSdDir(newCacheId); 9490 } 9491 if (newCachePath == null) { 9492 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9493 return false; 9494 } 9495 Log.i(TAG, "Succesfully renamed " + cid + 9496 " to " + newCacheId + 9497 " at new path: " + newCachePath); 9498 cid = newCacheId; 9499 setCachePath(newCachePath); 9500 return true; 9501 } 9502 9503 private void setCachePath(String newCachePath) { 9504 File cachePath = new File(newCachePath); 9505 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9506 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9507 9508 if (isFwdLocked()) { 9509 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9510 } else { 9511 resourcePath = packagePath; 9512 } 9513 } 9514 9515 int doPostInstall(int status, int uid) { 9516 if (status != PackageManager.INSTALL_SUCCEEDED) { 9517 cleanUp(); 9518 } else { 9519 final int groupOwner; 9520 final String protectedFile; 9521 if (isFwdLocked()) { 9522 groupOwner = UserHandle.getSharedAppGid(uid); 9523 protectedFile = RES_FILE_NAME; 9524 } else { 9525 groupOwner = -1; 9526 protectedFile = null; 9527 } 9528 9529 if (uid < Process.FIRST_APPLICATION_UID 9530 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9531 Slog.e(TAG, "Failed to finalize " + cid); 9532 PackageHelper.destroySdDir(cid); 9533 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9534 } 9535 9536 boolean mounted = PackageHelper.isContainerMounted(cid); 9537 if (!mounted) { 9538 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9539 } 9540 } 9541 return status; 9542 } 9543 9544 private void cleanUp() { 9545 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9546 9547 // Destroy secure container 9548 PackageHelper.destroySdDir(cid); 9549 } 9550 9551 void cleanUpResourcesLI() { 9552 String sourceFile = getCodePath(); 9553 // Remove dex file 9554 if (instructionSet == null) { 9555 throw new IllegalStateException("instructionSet == null"); 9556 } 9557 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9558 if (retCode < 0) { 9559 Slog.w(TAG, "Couldn't remove dex file for package: " 9560 + " at location " 9561 + sourceFile.toString() + ", retcode=" + retCode); 9562 // we don't consider this to be a failure of the core package deletion 9563 } 9564 cleanUp(); 9565 } 9566 9567 boolean matchContainer(String app) { 9568 if (cid.startsWith(app)) { 9569 return true; 9570 } 9571 return false; 9572 } 9573 9574 String getPackageName() { 9575 return getAsecPackageName(cid); 9576 } 9577 9578 boolean doPostDeleteLI(boolean delete) { 9579 boolean ret = false; 9580 boolean mounted = PackageHelper.isContainerMounted(cid); 9581 if (mounted) { 9582 // Unmount first 9583 ret = PackageHelper.unMountSdDir(cid); 9584 } 9585 if (ret && delete) { 9586 cleanUpResourcesLI(); 9587 } 9588 return ret; 9589 } 9590 9591 @Override 9592 int doPreCopy() { 9593 if (isFwdLocked()) { 9594 if (!PackageHelper.fixSdPermissions(cid, 9595 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9596 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9597 } 9598 } 9599 9600 return PackageManager.INSTALL_SUCCEEDED; 9601 } 9602 9603 @Override 9604 int doPostCopy(int uid) { 9605 if (isFwdLocked()) { 9606 if (uid < Process.FIRST_APPLICATION_UID 9607 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9608 RES_FILE_NAME)) { 9609 Slog.e(TAG, "Failed to finalize " + cid); 9610 PackageHelper.destroySdDir(cid); 9611 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9612 } 9613 } 9614 9615 return PackageManager.INSTALL_SUCCEEDED; 9616 } 9617 }; 9618 9619 static String getAsecPackageName(String packageCid) { 9620 int idx = packageCid.lastIndexOf("-"); 9621 if (idx == -1) { 9622 return packageCid; 9623 } 9624 return packageCid.substring(0, idx); 9625 } 9626 9627 // Utility method used to create code paths based on package name and available index. 9628 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9629 String idxStr = ""; 9630 int idx = 1; 9631 // Fall back to default value of idx=1 if prefix is not 9632 // part of oldCodePath 9633 if (oldCodePath != null) { 9634 String subStr = oldCodePath; 9635 // Drop the suffix right away 9636 if (subStr.endsWith(suffix)) { 9637 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9638 } 9639 // If oldCodePath already contains prefix find out the 9640 // ending index to either increment or decrement. 9641 int sidx = subStr.lastIndexOf(prefix); 9642 if (sidx != -1) { 9643 subStr = subStr.substring(sidx + prefix.length()); 9644 if (subStr != null) { 9645 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9646 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9647 } 9648 try { 9649 idx = Integer.parseInt(subStr); 9650 if (idx <= 1) { 9651 idx++; 9652 } else { 9653 idx--; 9654 } 9655 } catch(NumberFormatException e) { 9656 } 9657 } 9658 } 9659 } 9660 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9661 return prefix + idxStr; 9662 } 9663 9664 // Utility method used to ignore ADD/REMOVE events 9665 // by directory observer. 9666 private static boolean ignoreCodePath(String fullPathStr) { 9667 String apkName = getApkName(fullPathStr); 9668 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9669 if (idx != -1 && ((idx+1) < apkName.length())) { 9670 // Make sure the package ends with a numeral 9671 String version = apkName.substring(idx+1); 9672 try { 9673 Integer.parseInt(version); 9674 return true; 9675 } catch (NumberFormatException e) {} 9676 } 9677 return false; 9678 } 9679 9680 // Utility method that returns the relative package path with respect 9681 // to the installation directory. Like say for /data/data/com.test-1.apk 9682 // string com.test-1 is returned. 9683 static String getApkName(String codePath) { 9684 if (codePath == null) { 9685 return null; 9686 } 9687 int sidx = codePath.lastIndexOf("/"); 9688 int eidx = codePath.lastIndexOf("."); 9689 if (eidx == -1) { 9690 eidx = codePath.length(); 9691 } else if (eidx == 0) { 9692 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9693 return null; 9694 } 9695 return codePath.substring(sidx+1, eidx); 9696 } 9697 9698 class PackageInstalledInfo { 9699 String name; 9700 int uid; 9701 // The set of users that originally had this package installed. 9702 int[] origUsers; 9703 // The set of users that now have this package installed. 9704 int[] newUsers; 9705 PackageParser.Package pkg; 9706 int returnCode; 9707 PackageRemovedInfo removedInfo; 9708 9709 // In some error cases we want to convey more info back to the observer 9710 String origPackage; 9711 String origPermission; 9712 } 9713 9714 /* 9715 * Install a non-existing package. 9716 */ 9717 private void installNewPackageLI(PackageParser.Package pkg, 9718 int parseFlags, int scanMode, UserHandle user, 9719 String installerPackageName, PackageInstalledInfo res) { 9720 // Remember this for later, in case we need to rollback this install 9721 String pkgName = pkg.packageName; 9722 9723 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9724 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9725 synchronized(mPackages) { 9726 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9727 // A package with the same name is already installed, though 9728 // it has been renamed to an older name. The package we 9729 // are trying to install should be installed as an update to 9730 // the existing one, but that has not been requested, so bail. 9731 Slog.w(TAG, "Attempt to re-install " + pkgName 9732 + " without first uninstalling package running as " 9733 + mSettings.mRenamedPackages.get(pkgName)); 9734 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9735 return; 9736 } 9737 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9738 // Don't allow installation over an existing package with the same name. 9739 Slog.w(TAG, "Attempt to re-install " + pkgName 9740 + " without first uninstalling."); 9741 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9742 return; 9743 } 9744 } 9745 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9746 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9747 System.currentTimeMillis(), user); 9748 if (newPackage == null) { 9749 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9750 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9751 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9752 } 9753 } else { 9754 updateSettingsLI(newPackage, 9755 installerPackageName, 9756 null, null, 9757 res); 9758 // delete the partially installed application. the data directory will have to be 9759 // restored if it was already existing 9760 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9761 // remove package from internal structures. Note that we want deletePackageX to 9762 // delete the package data and cache directories that it created in 9763 // scanPackageLocked, unless those directories existed before we even tried to 9764 // install. 9765 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9766 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9767 res.removedInfo, true); 9768 } 9769 } 9770 } 9771 9772 private void replacePackageLI(PackageParser.Package pkg, 9773 int parseFlags, int scanMode, UserHandle user, 9774 String installerPackageName, PackageInstalledInfo res) { 9775 9776 PackageParser.Package oldPackage; 9777 String pkgName = pkg.packageName; 9778 int[] allUsers; 9779 boolean[] perUserInstalled; 9780 9781 // First find the old package info and check signatures 9782 synchronized(mPackages) { 9783 oldPackage = mPackages.get(pkgName); 9784 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9785 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9786 != PackageManager.SIGNATURE_MATCH) { 9787 Slog.w(TAG, "New package has a different signature: " + pkgName); 9788 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9789 return; 9790 } 9791 9792 // In case of rollback, remember per-user/profile install state 9793 PackageSetting ps = mSettings.mPackages.get(pkgName); 9794 allUsers = sUserManager.getUserIds(); 9795 perUserInstalled = new boolean[allUsers.length]; 9796 for (int i = 0; i < allUsers.length; i++) { 9797 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9798 } 9799 } 9800 boolean sysPkg = (isSystemApp(oldPackage)); 9801 if (sysPkg) { 9802 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9803 user, allUsers, perUserInstalled, installerPackageName, res); 9804 } else { 9805 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9806 user, allUsers, perUserInstalled, installerPackageName, res); 9807 } 9808 } 9809 9810 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9811 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9812 int[] allUsers, boolean[] perUserInstalled, 9813 String installerPackageName, PackageInstalledInfo res) { 9814 PackageParser.Package newPackage = null; 9815 String pkgName = deletedPackage.packageName; 9816 boolean deletedPkg = true; 9817 boolean updatedSettings = false; 9818 9819 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9820 + deletedPackage); 9821 long origUpdateTime; 9822 if (pkg.mExtras != null) { 9823 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9824 } else { 9825 origUpdateTime = 0; 9826 } 9827 9828 // First delete the existing package while retaining the data directory 9829 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9830 res.removedInfo, true)) { 9831 // If the existing package wasn't successfully deleted 9832 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9833 deletedPkg = false; 9834 } else { 9835 // Successfully deleted the old package. Now proceed with re-installation 9836 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9837 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9838 System.currentTimeMillis(), user); 9839 if (newPackage == null) { 9840 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9841 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9842 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9843 } 9844 } else { 9845 updateSettingsLI(newPackage, 9846 installerPackageName, 9847 allUsers, perUserInstalled, 9848 res); 9849 updatedSettings = true; 9850 } 9851 } 9852 9853 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9854 // remove package from internal structures. Note that we want deletePackageX to 9855 // delete the package data and cache directories that it created in 9856 // scanPackageLocked, unless those directories existed before we even tried to 9857 // install. 9858 if(updatedSettings) { 9859 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9860 deletePackageLI( 9861 pkgName, null, true, allUsers, perUserInstalled, 9862 PackageManager.DELETE_KEEP_DATA, 9863 res.removedInfo, true); 9864 } 9865 // Since we failed to install the new package we need to restore the old 9866 // package that we deleted. 9867 if(deletedPkg) { 9868 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9869 File restoreFile = new File(deletedPackage.mPath); 9870 // Parse old package 9871 boolean oldOnSd = isExternal(deletedPackage); 9872 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9873 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9874 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9875 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9876 | SCAN_UPDATE_TIME; 9877 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9878 origUpdateTime, null) == null) { 9879 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9880 return; 9881 } 9882 // Restore of old package succeeded. Update permissions. 9883 // writer 9884 synchronized (mPackages) { 9885 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9886 UPDATE_PERMISSIONS_ALL); 9887 // can downgrade to reader 9888 mSettings.writeLPr(); 9889 } 9890 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9891 } 9892 } 9893 } 9894 9895 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9896 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9897 int[] allUsers, boolean[] perUserInstalled, 9898 String installerPackageName, PackageInstalledInfo res) { 9899 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9900 + ", old=" + deletedPackage); 9901 PackageParser.Package newPackage = null; 9902 boolean updatedSettings = false; 9903 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9904 PackageParser.PARSE_IS_SYSTEM; 9905 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9906 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9907 } 9908 String packageName = deletedPackage.packageName; 9909 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9910 if (packageName == null) { 9911 Slog.w(TAG, "Attempt to delete null packageName."); 9912 return; 9913 } 9914 PackageParser.Package oldPkg; 9915 PackageSetting oldPkgSetting; 9916 // reader 9917 synchronized (mPackages) { 9918 oldPkg = mPackages.get(packageName); 9919 oldPkgSetting = mSettings.mPackages.get(packageName); 9920 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9921 (oldPkgSetting == null)) { 9922 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9923 return; 9924 } 9925 } 9926 9927 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9928 9929 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9930 res.removedInfo.removedPackage = packageName; 9931 // Remove existing system package 9932 removePackageLI(oldPkgSetting, true); 9933 // writer 9934 synchronized (mPackages) { 9935 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9936 // We didn't need to disable the .apk as a current system package, 9937 // which means we are replacing another update that is already 9938 // installed. We need to make sure to delete the older one's .apk. 9939 res.removedInfo.args = createInstallArgs(0, 9940 deletedPackage.applicationInfo.sourceDir, 9941 deletedPackage.applicationInfo.publicSourceDir, 9942 deletedPackage.applicationInfo.nativeLibraryDir, 9943 getAppInstructionSet(deletedPackage.applicationInfo)); 9944 } else { 9945 res.removedInfo.args = null; 9946 } 9947 } 9948 9949 // Successfully disabled the old package. Now proceed with re-installation 9950 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9951 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9952 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9953 if (newPackage == null) { 9954 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9955 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9956 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9957 } 9958 } else { 9959 if (newPackage.mExtras != null) { 9960 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9961 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9962 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9963 9964 // is the update attempting to change shared user? that isn't going to work... 9965 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 9966 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 9967 + " to " + newPkgSetting.sharedUser); 9968 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 9969 updatedSettings = true; 9970 } 9971 } 9972 9973 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 9974 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9975 updatedSettings = true; 9976 } 9977 } 9978 9979 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9980 // Re installation failed. Restore old information 9981 // Remove new pkg information 9982 if (newPackage != null) { 9983 removeInstalledPackageLI(newPackage, true); 9984 } 9985 // Add back the old system package 9986 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9987 // Restore the old system information in Settings 9988 synchronized(mPackages) { 9989 if (updatedSettings) { 9990 mSettings.enableSystemPackageLPw(packageName); 9991 mSettings.setInstallerPackageName(packageName, 9992 oldPkgSetting.installerPackageName); 9993 } 9994 mSettings.writeLPr(); 9995 } 9996 } 9997 } 9998 9999 // Utility method used to move dex files during install. 10000 private int moveDexFilesLI(PackageParser.Package newPackage) { 10001 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10002 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 10003 int retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath, 10004 instructionSet); 10005 if (retCode != 0) { 10006 /* 10007 * Programs may be lazily run through dexopt, so the 10008 * source may not exist. However, something seems to 10009 * have gone wrong, so note that dexopt needs to be 10010 * run again and remove the source file. In addition, 10011 * remove the target to make sure there isn't a stale 10012 * file from a previous version of the package. 10013 */ 10014 newPackage.mDexOptNeeded = true; 10015 mInstaller.rmdex(newPackage.mScanPath, instructionSet); 10016 mInstaller.rmdex(newPackage.mPath, instructionSet); 10017 } 10018 } 10019 return PackageManager.INSTALL_SUCCEEDED; 10020 } 10021 10022 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10023 int[] allUsers, boolean[] perUserInstalled, 10024 PackageInstalledInfo res) { 10025 String pkgName = newPackage.packageName; 10026 synchronized (mPackages) { 10027 //write settings. the installStatus will be incomplete at this stage. 10028 //note that the new package setting would have already been 10029 //added to mPackages. It hasn't been persisted yet. 10030 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10031 mSettings.writeLPr(); 10032 } 10033 10034 if ((res.returnCode = moveDexFilesLI(newPackage)) 10035 != PackageManager.INSTALL_SUCCEEDED) { 10036 // Discontinue if moving dex files failed. 10037 return; 10038 } 10039 10040 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 10041 10042 synchronized (mPackages) { 10043 updatePermissionsLPw(newPackage.packageName, newPackage, 10044 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10045 ? UPDATE_PERMISSIONS_ALL : 0)); 10046 // For system-bundled packages, we assume that installing an upgraded version 10047 // of the package implies that the user actually wants to run that new code, 10048 // so we enable the package. 10049 if (isSystemApp(newPackage)) { 10050 // NB: implicit assumption that system package upgrades apply to all users 10051 if (DEBUG_INSTALL) { 10052 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10053 } 10054 PackageSetting ps = mSettings.mPackages.get(pkgName); 10055 if (ps != null) { 10056 if (res.origUsers != null) { 10057 for (int userHandle : res.origUsers) { 10058 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10059 userHandle, installerPackageName); 10060 } 10061 } 10062 // Also convey the prior install/uninstall state 10063 if (allUsers != null && perUserInstalled != null) { 10064 for (int i = 0; i < allUsers.length; i++) { 10065 if (DEBUG_INSTALL) { 10066 Slog.d(TAG, " user " + allUsers[i] 10067 + " => " + perUserInstalled[i]); 10068 } 10069 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10070 } 10071 // these install state changes will be persisted in the 10072 // upcoming call to mSettings.writeLPr(). 10073 } 10074 } 10075 } 10076 res.name = pkgName; 10077 res.uid = newPackage.applicationInfo.uid; 10078 res.pkg = newPackage; 10079 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10080 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10081 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10082 //to update install status 10083 mSettings.writeLPr(); 10084 } 10085 } 10086 10087 private void installPackageLI(InstallArgs args, 10088 boolean newInstall, PackageInstalledInfo res) { 10089 int pFlags = args.flags; 10090 String installerPackageName = args.installerPackageName; 10091 File tmpPackageFile = new File(args.getCodePath()); 10092 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10093 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10094 boolean replace = false; 10095 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10096 | (newInstall ? SCAN_NEW_INSTALL : 0); 10097 // Result object to be returned 10098 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10099 10100 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10101 // Retrieve PackageSettings and parse package 10102 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10103 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10104 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10105 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 10106 pp.setSeparateProcesses(mSeparateProcesses); 10107 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 10108 null, mMetrics, parseFlags); 10109 if (pkg == null) { 10110 res.returnCode = pp.getParseError(); 10111 return; 10112 } 10113 String pkgName = res.name = pkg.packageName; 10114 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10115 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10116 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10117 return; 10118 } 10119 } 10120 if (!pp.collectCertificates(pkg, parseFlags)) { 10121 res.returnCode = pp.getParseError(); 10122 return; 10123 } 10124 10125 /* If the installer passed in a manifest digest, compare it now. */ 10126 if (args.manifestDigest != null) { 10127 if (DEBUG_INSTALL) { 10128 final String parsedManifest = pkg.manifestDigest == null ? "null" 10129 : pkg.manifestDigest.toString(); 10130 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10131 + parsedManifest); 10132 } 10133 10134 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10135 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10136 return; 10137 } 10138 } else if (DEBUG_INSTALL) { 10139 final String parsedManifest = pkg.manifestDigest == null 10140 ? "null" : pkg.manifestDigest.toString(); 10141 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10142 } 10143 10144 // Get rid of all references to package scan path via parser. 10145 pp = null; 10146 String oldCodePath = null; 10147 boolean systemApp = false; 10148 synchronized (mPackages) { 10149 // Check whether the newly-scanned package wants to define an already-defined perm 10150 int N = pkg.permissions.size(); 10151 for (int i = 0; i < N; i++) { 10152 PackageParser.Permission perm = pkg.permissions.get(i); 10153 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10154 if (bp != null) { 10155 // If the defining package is signed with our cert, it's okay. This 10156 // also includes the "updating the same package" case, of course. 10157 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10158 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10159 Slog.w(TAG, "Package " + pkg.packageName 10160 + " attempting to redeclare permission " + perm.info.name 10161 + " already owned by " + bp.sourcePackage); 10162 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10163 res.origPermission = perm.info.name; 10164 res.origPackage = bp.sourcePackage; 10165 return; 10166 } 10167 } 10168 } 10169 10170 // Check if installing already existing package 10171 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10172 String oldName = mSettings.mRenamedPackages.get(pkgName); 10173 if (pkg.mOriginalPackages != null 10174 && pkg.mOriginalPackages.contains(oldName) 10175 && mPackages.containsKey(oldName)) { 10176 // This package is derived from an original package, 10177 // and this device has been updating from that original 10178 // name. We must continue using the original name, so 10179 // rename the new package here. 10180 pkg.setPackageName(oldName); 10181 pkgName = pkg.packageName; 10182 replace = true; 10183 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10184 + oldName + " pkgName=" + pkgName); 10185 } else if (mPackages.containsKey(pkgName)) { 10186 // This package, under its official name, already exists 10187 // on the device; we should replace it. 10188 replace = true; 10189 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10190 } 10191 } 10192 PackageSetting ps = mSettings.mPackages.get(pkgName); 10193 if (ps != null) { 10194 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10195 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10196 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10197 systemApp = (ps.pkg.applicationInfo.flags & 10198 ApplicationInfo.FLAG_SYSTEM) != 0; 10199 } 10200 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10201 } 10202 } 10203 10204 if (systemApp && onSd) { 10205 // Disable updates to system apps on sdcard 10206 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10207 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10208 return; 10209 } 10210 10211 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10212 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10213 return; 10214 } 10215 // Set application objects path explicitly after the rename 10216 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 10217 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10218 if (replace) { 10219 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10220 installerPackageName, res); 10221 } else { 10222 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10223 installerPackageName, res); 10224 } 10225 synchronized (mPackages) { 10226 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10227 if (ps != null) { 10228 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10229 } 10230 } 10231 } 10232 10233 private static boolean isForwardLocked(PackageParser.Package pkg) { 10234 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10235 } 10236 10237 10238 private boolean isForwardLocked(PackageSetting ps) { 10239 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10240 } 10241 10242 private static boolean isExternal(PackageParser.Package pkg) { 10243 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10244 } 10245 10246 private static boolean isExternal(PackageSetting ps) { 10247 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10248 } 10249 10250 private static boolean isSystemApp(PackageParser.Package pkg) { 10251 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10252 } 10253 10254 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10255 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10256 } 10257 10258 private static boolean isSystemApp(ApplicationInfo info) { 10259 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10260 } 10261 10262 private static boolean isSystemApp(PackageSetting ps) { 10263 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10264 } 10265 10266 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10267 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10268 } 10269 10270 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10271 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10272 } 10273 10274 private int packageFlagsToInstallFlags(PackageSetting ps) { 10275 int installFlags = 0; 10276 if (isExternal(ps)) { 10277 installFlags |= PackageManager.INSTALL_EXTERNAL; 10278 } 10279 if (isForwardLocked(ps)) { 10280 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10281 } 10282 return installFlags; 10283 } 10284 10285 private void deleteTempPackageFiles() { 10286 final FilenameFilter filter = new FilenameFilter() { 10287 public boolean accept(File dir, String name) { 10288 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10289 } 10290 }; 10291 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10292 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10293 } 10294 10295 private static final void deleteTempPackageFilesInDirectory(File directory, 10296 FilenameFilter filter) { 10297 final String[] tmpFilesList = directory.list(filter); 10298 if (tmpFilesList == null) { 10299 return; 10300 } 10301 for (int i = 0; i < tmpFilesList.length; i++) { 10302 final File tmpFile = new File(directory, tmpFilesList[i]); 10303 tmpFile.delete(); 10304 } 10305 } 10306 10307 private File createTempPackageFile(File installDir) { 10308 File tmpPackageFile; 10309 try { 10310 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10311 } catch (IOException e) { 10312 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10313 return null; 10314 } 10315 try { 10316 FileUtils.setPermissions( 10317 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10318 -1, -1); 10319 if (!SELinux.restorecon(tmpPackageFile)) { 10320 return null; 10321 } 10322 } catch (IOException e) { 10323 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10324 return null; 10325 } 10326 return tmpPackageFile; 10327 } 10328 10329 @Override 10330 public void deletePackageAsUser(final String packageName, 10331 final IPackageDeleteObserver observer, 10332 final int userId, final int flags) { 10333 mContext.enforceCallingOrSelfPermission( 10334 android.Manifest.permission.DELETE_PACKAGES, null); 10335 final int uid = Binder.getCallingUid(); 10336 if (UserHandle.getUserId(uid) != userId) { 10337 mContext.enforceCallingPermission( 10338 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10339 "deletePackage for user " + userId); 10340 } 10341 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10342 try { 10343 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10344 } catch (RemoteException re) { 10345 } 10346 return; 10347 } 10348 10349 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10350 // Queue up an async operation since the package deletion may take a little while. 10351 mHandler.post(new Runnable() { 10352 public void run() { 10353 mHandler.removeCallbacks(this); 10354 final int returnCode = deletePackageX(packageName, userId, flags); 10355 if (observer != null) { 10356 try { 10357 observer.packageDeleted(packageName, returnCode); 10358 } catch (RemoteException e) { 10359 Log.i(TAG, "Observer no longer exists."); 10360 } //end catch 10361 } //end if 10362 } //end run 10363 }); 10364 } 10365 10366 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10367 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10368 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10369 try { 10370 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10371 || dpm.isDeviceOwner(packageName))) { 10372 return true; 10373 } 10374 } catch (RemoteException e) { 10375 } 10376 return false; 10377 } 10378 10379 /** 10380 * This method is an internal method that could be get invoked either 10381 * to delete an installed package or to clean up a failed installation. 10382 * After deleting an installed package, a broadcast is sent to notify any 10383 * listeners that the package has been installed. For cleaning up a failed 10384 * installation, the broadcast is not necessary since the package's 10385 * installation wouldn't have sent the initial broadcast either 10386 * The key steps in deleting a package are 10387 * deleting the package information in internal structures like mPackages, 10388 * deleting the packages base directories through installd 10389 * updating mSettings to reflect current status 10390 * persisting settings for later use 10391 * sending a broadcast if necessary 10392 */ 10393 private int deletePackageX(String packageName, int userId, int flags) { 10394 final PackageRemovedInfo info = new PackageRemovedInfo(); 10395 final boolean res; 10396 10397 if (isPackageDeviceAdmin(packageName, userId)) { 10398 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10399 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10400 } 10401 10402 boolean removedForAllUsers = false; 10403 boolean systemUpdate = false; 10404 10405 // for the uninstall-updates case and restricted profiles, remember the per- 10406 // userhandle installed state 10407 int[] allUsers; 10408 boolean[] perUserInstalled; 10409 synchronized (mPackages) { 10410 PackageSetting ps = mSettings.mPackages.get(packageName); 10411 allUsers = sUserManager.getUserIds(); 10412 perUserInstalled = new boolean[allUsers.length]; 10413 for (int i = 0; i < allUsers.length; i++) { 10414 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10415 } 10416 } 10417 10418 synchronized (mInstallLock) { 10419 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10420 res = deletePackageLI(packageName, 10421 (flags & PackageManager.DELETE_ALL_USERS) != 0 10422 ? UserHandle.ALL : new UserHandle(userId), 10423 true, allUsers, perUserInstalled, 10424 flags | REMOVE_CHATTY, info, true); 10425 systemUpdate = info.isRemovedPackageSystemUpdate; 10426 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10427 removedForAllUsers = true; 10428 } 10429 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10430 + " removedForAllUsers=" + removedForAllUsers); 10431 } 10432 10433 if (res) { 10434 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10435 10436 // If the removed package was a system update, the old system package 10437 // was re-enabled; we need to broadcast this information 10438 if (systemUpdate) { 10439 Bundle extras = new Bundle(1); 10440 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10441 ? info.removedAppId : info.uid); 10442 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10443 10444 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10445 extras, null, null, null); 10446 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10447 extras, null, null, null); 10448 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10449 null, packageName, null, null); 10450 } 10451 } 10452 // Force a gc here. 10453 Runtime.getRuntime().gc(); 10454 // Delete the resources here after sending the broadcast to let 10455 // other processes clean up before deleting resources. 10456 if (info.args != null) { 10457 synchronized (mInstallLock) { 10458 info.args.doPostDeleteLI(true); 10459 } 10460 } 10461 10462 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10463 } 10464 10465 static class PackageRemovedInfo { 10466 String removedPackage; 10467 int uid = -1; 10468 int removedAppId = -1; 10469 int[] removedUsers = null; 10470 boolean isRemovedPackageSystemUpdate = false; 10471 // Clean up resources deleted packages. 10472 InstallArgs args = null; 10473 10474 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10475 Bundle extras = new Bundle(1); 10476 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10477 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10478 if (replacing) { 10479 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10480 } 10481 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10482 if (removedPackage != null) { 10483 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10484 extras, null, null, removedUsers); 10485 if (fullRemove && !replacing) { 10486 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10487 extras, null, null, removedUsers); 10488 } 10489 } 10490 if (removedAppId >= 0) { 10491 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10492 removedUsers); 10493 } 10494 } 10495 } 10496 10497 /* 10498 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10499 * flag is not set, the data directory is removed as well. 10500 * make sure this flag is set for partially installed apps. If not its meaningless to 10501 * delete a partially installed application. 10502 */ 10503 private void removePackageDataLI(PackageSetting ps, 10504 int[] allUserHandles, boolean[] perUserInstalled, 10505 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10506 String packageName = ps.name; 10507 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10508 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10509 // Retrieve object to delete permissions for shared user later on 10510 final PackageSetting deletedPs; 10511 // reader 10512 synchronized (mPackages) { 10513 deletedPs = mSettings.mPackages.get(packageName); 10514 if (outInfo != null) { 10515 outInfo.removedPackage = packageName; 10516 outInfo.removedUsers = deletedPs != null 10517 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10518 : null; 10519 } 10520 } 10521 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10522 removeDataDirsLI(packageName); 10523 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10524 } 10525 // writer 10526 synchronized (mPackages) { 10527 if (deletedPs != null) { 10528 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10529 if (outInfo != null) { 10530 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10531 } 10532 if (deletedPs != null) { 10533 updatePermissionsLPw(deletedPs.name, null, 0); 10534 if (deletedPs.sharedUser != null) { 10535 // remove permissions associated with package 10536 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10537 } 10538 } 10539 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10540 } 10541 // make sure to preserve per-user disabled state if this removal was just 10542 // a downgrade of a system app to the factory package 10543 if (allUserHandles != null && perUserInstalled != null) { 10544 if (DEBUG_REMOVE) { 10545 Slog.d(TAG, "Propagating install state across downgrade"); 10546 } 10547 for (int i = 0; i < allUserHandles.length; i++) { 10548 if (DEBUG_REMOVE) { 10549 Slog.d(TAG, " user " + allUserHandles[i] 10550 + " => " + perUserInstalled[i]); 10551 } 10552 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10553 } 10554 } 10555 } 10556 // can downgrade to reader 10557 if (writeSettings) { 10558 // Save settings now 10559 mSettings.writeLPr(); 10560 } 10561 } 10562 if (outInfo != null) { 10563 // A user ID was deleted here. Go through all users and remove it 10564 // from KeyStore. 10565 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10566 } 10567 } 10568 10569 static boolean locationIsPrivileged(File path) { 10570 try { 10571 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10572 .getCanonicalPath(); 10573 return path.getCanonicalPath().startsWith(privilegedAppDir); 10574 } catch (IOException e) { 10575 Slog.e(TAG, "Unable to access code path " + path); 10576 } 10577 return false; 10578 } 10579 10580 /* 10581 * Tries to delete system package. 10582 */ 10583 private boolean deleteSystemPackageLI(PackageSetting newPs, 10584 int[] allUserHandles, boolean[] perUserInstalled, 10585 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10586 final boolean applyUserRestrictions 10587 = (allUserHandles != null) && (perUserInstalled != null); 10588 PackageSetting disabledPs = null; 10589 // Confirm if the system package has been updated 10590 // An updated system app can be deleted. This will also have to restore 10591 // the system pkg from system partition 10592 // reader 10593 synchronized (mPackages) { 10594 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10595 } 10596 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10597 + " disabledPs=" + disabledPs); 10598 if (disabledPs == null) { 10599 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10600 return false; 10601 } else if (DEBUG_REMOVE) { 10602 Slog.d(TAG, "Deleting system pkg from data partition"); 10603 } 10604 if (DEBUG_REMOVE) { 10605 if (applyUserRestrictions) { 10606 Slog.d(TAG, "Remembering install states:"); 10607 for (int i = 0; i < allUserHandles.length; i++) { 10608 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10609 } 10610 } 10611 } 10612 // Delete the updated package 10613 outInfo.isRemovedPackageSystemUpdate = true; 10614 if (disabledPs.versionCode < newPs.versionCode) { 10615 // Delete data for downgrades 10616 flags &= ~PackageManager.DELETE_KEEP_DATA; 10617 } else { 10618 // Preserve data by setting flag 10619 flags |= PackageManager.DELETE_KEEP_DATA; 10620 } 10621 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10622 allUserHandles, perUserInstalled, outInfo, writeSettings); 10623 if (!ret) { 10624 return false; 10625 } 10626 // writer 10627 synchronized (mPackages) { 10628 // Reinstate the old system package 10629 mSettings.enableSystemPackageLPw(newPs.name); 10630 // Remove any native libraries from the upgraded package. 10631 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10632 } 10633 // Install the system package 10634 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10635 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10636 if (locationIsPrivileged(disabledPs.codePath)) { 10637 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10638 } 10639 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10640 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 10641 10642 if (newPkg == null) { 10643 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10644 + " with error:" + mLastScanError); 10645 return false; 10646 } 10647 // writer 10648 synchronized (mPackages) { 10649 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10650 setInternalAppNativeLibraryPath(newPkg, ps); 10651 updatePermissionsLPw(newPkg.packageName, newPkg, 10652 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10653 if (applyUserRestrictions) { 10654 if (DEBUG_REMOVE) { 10655 Slog.d(TAG, "Propagating install state across reinstall"); 10656 } 10657 for (int i = 0; i < allUserHandles.length; i++) { 10658 if (DEBUG_REMOVE) { 10659 Slog.d(TAG, " user " + allUserHandles[i] 10660 + " => " + perUserInstalled[i]); 10661 } 10662 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10663 } 10664 // Regardless of writeSettings we need to ensure that this restriction 10665 // state propagation is persisted 10666 mSettings.writeAllUsersPackageRestrictionsLPr(); 10667 } 10668 // can downgrade to reader here 10669 if (writeSettings) { 10670 mSettings.writeLPr(); 10671 } 10672 } 10673 return true; 10674 } 10675 10676 private boolean deleteInstalledPackageLI(PackageSetting ps, 10677 boolean deleteCodeAndResources, int flags, 10678 int[] allUserHandles, boolean[] perUserInstalled, 10679 PackageRemovedInfo outInfo, boolean writeSettings) { 10680 if (outInfo != null) { 10681 outInfo.uid = ps.appId; 10682 } 10683 10684 // Delete package data from internal structures and also remove data if flag is set 10685 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10686 10687 // Delete application code and resources 10688 if (deleteCodeAndResources && (outInfo != null)) { 10689 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10690 ps.resourcePathString, ps.nativeLibraryPathString, 10691 getAppInstructionSetFromSettings(ps)); 10692 } 10693 return true; 10694 } 10695 10696 /* 10697 * This method handles package deletion in general 10698 */ 10699 private boolean deletePackageLI(String packageName, UserHandle user, 10700 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10701 int flags, PackageRemovedInfo outInfo, 10702 boolean writeSettings) { 10703 if (packageName == null) { 10704 Slog.w(TAG, "Attempt to delete null packageName."); 10705 return false; 10706 } 10707 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10708 PackageSetting ps; 10709 boolean dataOnly = false; 10710 int removeUser = -1; 10711 int appId = -1; 10712 synchronized (mPackages) { 10713 ps = mSettings.mPackages.get(packageName); 10714 if (ps == null) { 10715 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10716 return false; 10717 } 10718 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10719 && user.getIdentifier() != UserHandle.USER_ALL) { 10720 // The caller is asking that the package only be deleted for a single 10721 // user. To do this, we just mark its uninstalled state and delete 10722 // its data. If this is a system app, we only allow this to happen if 10723 // they have set the special DELETE_SYSTEM_APP which requests different 10724 // semantics than normal for uninstalling system apps. 10725 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10726 ps.setUserState(user.getIdentifier(), 10727 COMPONENT_ENABLED_STATE_DEFAULT, 10728 false, //installed 10729 true, //stopped 10730 true, //notLaunched 10731 false, //blocked 10732 null, null, null); 10733 if (!isSystemApp(ps)) { 10734 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10735 // Other user still have this package installed, so all 10736 // we need to do is clear this user's data and save that 10737 // it is uninstalled. 10738 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10739 removeUser = user.getIdentifier(); 10740 appId = ps.appId; 10741 mSettings.writePackageRestrictionsLPr(removeUser); 10742 } else { 10743 // We need to set it back to 'installed' so the uninstall 10744 // broadcasts will be sent correctly. 10745 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10746 ps.setInstalled(true, user.getIdentifier()); 10747 } 10748 } else { 10749 // This is a system app, so we assume that the 10750 // other users still have this package installed, so all 10751 // we need to do is clear this user's data and save that 10752 // it is uninstalled. 10753 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10754 removeUser = user.getIdentifier(); 10755 appId = ps.appId; 10756 mSettings.writePackageRestrictionsLPr(removeUser); 10757 } 10758 } 10759 } 10760 10761 if (removeUser >= 0) { 10762 // From above, we determined that we are deleting this only 10763 // for a single user. Continue the work here. 10764 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10765 if (outInfo != null) { 10766 outInfo.removedPackage = packageName; 10767 outInfo.removedAppId = appId; 10768 outInfo.removedUsers = new int[] {removeUser}; 10769 } 10770 mInstaller.clearUserData(packageName, removeUser); 10771 removeKeystoreDataIfNeeded(removeUser, appId); 10772 schedulePackageCleaning(packageName, removeUser, false); 10773 return true; 10774 } 10775 10776 if (dataOnly) { 10777 // Delete application data first 10778 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10779 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10780 return true; 10781 } 10782 10783 boolean ret = false; 10784 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10785 if (isSystemApp(ps)) { 10786 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10787 // When an updated system application is deleted we delete the existing resources as well and 10788 // fall back to existing code in system partition 10789 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10790 flags, outInfo, writeSettings); 10791 } else { 10792 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10793 // Kill application pre-emptively especially for apps on sd. 10794 killApplication(packageName, ps.appId, "uninstall pkg"); 10795 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10796 allUserHandles, perUserInstalled, 10797 outInfo, writeSettings); 10798 } 10799 10800 return ret; 10801 } 10802 10803 private final class ClearStorageConnection implements ServiceConnection { 10804 IMediaContainerService mContainerService; 10805 10806 @Override 10807 public void onServiceConnected(ComponentName name, IBinder service) { 10808 synchronized (this) { 10809 mContainerService = IMediaContainerService.Stub.asInterface(service); 10810 notifyAll(); 10811 } 10812 } 10813 10814 @Override 10815 public void onServiceDisconnected(ComponentName name) { 10816 } 10817 } 10818 10819 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10820 final boolean mounted; 10821 if (Environment.isExternalStorageEmulated()) { 10822 mounted = true; 10823 } else { 10824 final String status = Environment.getExternalStorageState(); 10825 10826 mounted = status.equals(Environment.MEDIA_MOUNTED) 10827 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10828 } 10829 10830 if (!mounted) { 10831 return; 10832 } 10833 10834 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10835 int[] users; 10836 if (userId == UserHandle.USER_ALL) { 10837 users = sUserManager.getUserIds(); 10838 } else { 10839 users = new int[] { userId }; 10840 } 10841 final ClearStorageConnection conn = new ClearStorageConnection(); 10842 if (mContext.bindServiceAsUser( 10843 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10844 try { 10845 for (int curUser : users) { 10846 long timeout = SystemClock.uptimeMillis() + 5000; 10847 synchronized (conn) { 10848 long now = SystemClock.uptimeMillis(); 10849 while (conn.mContainerService == null && now < timeout) { 10850 try { 10851 conn.wait(timeout - now); 10852 } catch (InterruptedException e) { 10853 } 10854 } 10855 } 10856 if (conn.mContainerService == null) { 10857 return; 10858 } 10859 10860 final UserEnvironment userEnv = new UserEnvironment(curUser); 10861 clearDirectory(conn.mContainerService, 10862 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10863 if (allData) { 10864 clearDirectory(conn.mContainerService, 10865 userEnv.buildExternalStorageAppDataDirs(packageName)); 10866 clearDirectory(conn.mContainerService, 10867 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10868 } 10869 } 10870 } finally { 10871 mContext.unbindService(conn); 10872 } 10873 } 10874 } 10875 10876 @Override 10877 public void clearApplicationUserData(final String packageName, 10878 final IPackageDataObserver observer, final int userId) { 10879 mContext.enforceCallingOrSelfPermission( 10880 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10881 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10882 // Queue up an async operation since the package deletion may take a little while. 10883 mHandler.post(new Runnable() { 10884 public void run() { 10885 mHandler.removeCallbacks(this); 10886 final boolean succeeded; 10887 synchronized (mInstallLock) { 10888 succeeded = clearApplicationUserDataLI(packageName, userId); 10889 } 10890 clearExternalStorageDataSync(packageName, userId, true); 10891 if (succeeded) { 10892 // invoke DeviceStorageMonitor's update method to clear any notifications 10893 DeviceStorageMonitorInternal 10894 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10895 if (dsm != null) { 10896 dsm.checkMemory(); 10897 } 10898 } 10899 if(observer != null) { 10900 try { 10901 observer.onRemoveCompleted(packageName, succeeded); 10902 } catch (RemoteException e) { 10903 Log.i(TAG, "Observer no longer exists."); 10904 } 10905 } //end if observer 10906 } //end run 10907 }); 10908 } 10909 10910 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10911 if (packageName == null) { 10912 Slog.w(TAG, "Attempt to delete null packageName."); 10913 return false; 10914 } 10915 PackageParser.Package p; 10916 boolean dataOnly = false; 10917 final int appId; 10918 synchronized (mPackages) { 10919 p = mPackages.get(packageName); 10920 if (p == null) { 10921 dataOnly = true; 10922 PackageSetting ps = mSettings.mPackages.get(packageName); 10923 if ((ps == null) || (ps.pkg == null)) { 10924 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10925 return false; 10926 } 10927 p = ps.pkg; 10928 } 10929 if (!dataOnly) { 10930 // need to check this only for fully installed applications 10931 if (p == null) { 10932 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10933 return false; 10934 } 10935 final ApplicationInfo applicationInfo = p.applicationInfo; 10936 if (applicationInfo == null) { 10937 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10938 return false; 10939 } 10940 } 10941 if (p != null && p.applicationInfo != null) { 10942 appId = p.applicationInfo.uid; 10943 } else { 10944 appId = -1; 10945 } 10946 } 10947 int retCode = mInstaller.clearUserData(packageName, userId); 10948 if (retCode < 0) { 10949 Slog.w(TAG, "Couldn't remove cache files for package: " 10950 + packageName); 10951 return false; 10952 } 10953 removeKeystoreDataIfNeeded(userId, appId); 10954 return true; 10955 } 10956 10957 /** 10958 * Remove entries from the keystore daemon. Will only remove it if the 10959 * {@code appId} is valid. 10960 */ 10961 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10962 if (appId < 0) { 10963 return; 10964 } 10965 10966 final KeyStore keyStore = KeyStore.getInstance(); 10967 if (keyStore != null) { 10968 if (userId == UserHandle.USER_ALL) { 10969 for (final int individual : sUserManager.getUserIds()) { 10970 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10971 } 10972 } else { 10973 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10974 } 10975 } else { 10976 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10977 } 10978 } 10979 10980 @Override 10981 public void deleteApplicationCacheFiles(final String packageName, 10982 final IPackageDataObserver observer) { 10983 mContext.enforceCallingOrSelfPermission( 10984 android.Manifest.permission.DELETE_CACHE_FILES, null); 10985 // Queue up an async operation since the package deletion may take a little while. 10986 final int userId = UserHandle.getCallingUserId(); 10987 mHandler.post(new Runnable() { 10988 public void run() { 10989 mHandler.removeCallbacks(this); 10990 final boolean succeded; 10991 synchronized (mInstallLock) { 10992 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10993 } 10994 clearExternalStorageDataSync(packageName, userId, false); 10995 if(observer != null) { 10996 try { 10997 observer.onRemoveCompleted(packageName, succeded); 10998 } catch (RemoteException e) { 10999 Log.i(TAG, "Observer no longer exists."); 11000 } 11001 } //end if observer 11002 } //end run 11003 }); 11004 } 11005 11006 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11007 if (packageName == null) { 11008 Slog.w(TAG, "Attempt to delete null packageName."); 11009 return false; 11010 } 11011 PackageParser.Package p; 11012 synchronized (mPackages) { 11013 p = mPackages.get(packageName); 11014 } 11015 if (p == null) { 11016 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11017 return false; 11018 } 11019 final ApplicationInfo applicationInfo = p.applicationInfo; 11020 if (applicationInfo == null) { 11021 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11022 return false; 11023 } 11024 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11025 if (retCode < 0) { 11026 Slog.w(TAG, "Couldn't remove cache files for package: " 11027 + packageName + " u" + userId); 11028 return false; 11029 } 11030 return true; 11031 } 11032 11033 @Override 11034 public void getPackageSizeInfo(final String packageName, int userHandle, 11035 final IPackageStatsObserver observer) { 11036 mContext.enforceCallingOrSelfPermission( 11037 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11038 if (packageName == null) { 11039 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11040 } 11041 11042 PackageStats stats = new PackageStats(packageName, userHandle); 11043 11044 /* 11045 * Queue up an async operation since the package measurement may take a 11046 * little while. 11047 */ 11048 Message msg = mHandler.obtainMessage(INIT_COPY); 11049 msg.obj = new MeasureParams(stats, observer); 11050 mHandler.sendMessage(msg); 11051 } 11052 11053 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11054 PackageStats pStats) { 11055 if (packageName == null) { 11056 Slog.w(TAG, "Attempt to get size of null packageName."); 11057 return false; 11058 } 11059 PackageParser.Package p; 11060 boolean dataOnly = false; 11061 String libDirPath = null; 11062 String asecPath = null; 11063 PackageSetting ps = null; 11064 synchronized (mPackages) { 11065 p = mPackages.get(packageName); 11066 ps = mSettings.mPackages.get(packageName); 11067 if(p == null) { 11068 dataOnly = true; 11069 if((ps == null) || (ps.pkg == null)) { 11070 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11071 return false; 11072 } 11073 p = ps.pkg; 11074 } 11075 if (ps != null) { 11076 libDirPath = ps.nativeLibraryPathString; 11077 } 11078 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11079 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11080 if (secureContainerId != null) { 11081 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11082 } 11083 } 11084 } 11085 String publicSrcDir = null; 11086 if(!dataOnly) { 11087 final ApplicationInfo applicationInfo = p.applicationInfo; 11088 if (applicationInfo == null) { 11089 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11090 return false; 11091 } 11092 if (isForwardLocked(p)) { 11093 publicSrcDir = applicationInfo.publicSourceDir; 11094 } 11095 } 11096 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 11097 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11098 pStats); 11099 if (res < 0) { 11100 return false; 11101 } 11102 11103 // Fix-up for forward-locked applications in ASEC containers. 11104 if (!isExternal(p)) { 11105 pStats.codeSize += pStats.externalCodeSize; 11106 pStats.externalCodeSize = 0L; 11107 } 11108 11109 return true; 11110 } 11111 11112 11113 @Override 11114 public void addPackageToPreferred(String packageName) { 11115 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11116 } 11117 11118 @Override 11119 public void removePackageFromPreferred(String packageName) { 11120 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11121 } 11122 11123 @Override 11124 public List<PackageInfo> getPreferredPackages(int flags) { 11125 return new ArrayList<PackageInfo>(); 11126 } 11127 11128 private int getUidTargetSdkVersionLockedLPr(int uid) { 11129 Object obj = mSettings.getUserIdLPr(uid); 11130 if (obj instanceof SharedUserSetting) { 11131 final SharedUserSetting sus = (SharedUserSetting) obj; 11132 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11133 final Iterator<PackageSetting> it = sus.packages.iterator(); 11134 while (it.hasNext()) { 11135 final PackageSetting ps = it.next(); 11136 if (ps.pkg != null) { 11137 int v = ps.pkg.applicationInfo.targetSdkVersion; 11138 if (v < vers) vers = v; 11139 } 11140 } 11141 return vers; 11142 } else if (obj instanceof PackageSetting) { 11143 final PackageSetting ps = (PackageSetting) obj; 11144 if (ps.pkg != null) { 11145 return ps.pkg.applicationInfo.targetSdkVersion; 11146 } 11147 } 11148 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11149 } 11150 11151 @Override 11152 public void addPreferredActivity(IntentFilter filter, int match, 11153 ComponentName[] set, ComponentName activity, int userId) { 11154 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11155 } 11156 11157 private void addPreferredActivityInternal(IntentFilter filter, int match, 11158 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11159 // writer 11160 int callingUid = Binder.getCallingUid(); 11161 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11162 if (filter.countActions() == 0) { 11163 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11164 return; 11165 } 11166 synchronized (mPackages) { 11167 if (mContext.checkCallingOrSelfPermission( 11168 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11169 != PackageManager.PERMISSION_GRANTED) { 11170 if (getUidTargetSdkVersionLockedLPr(callingUid) 11171 < Build.VERSION_CODES.FROYO) { 11172 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11173 + callingUid); 11174 return; 11175 } 11176 mContext.enforceCallingOrSelfPermission( 11177 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11178 } 11179 11180 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11181 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11182 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11183 new PreferredActivity(filter, match, set, activity, always)); 11184 mSettings.writePackageRestrictionsLPr(userId); 11185 } 11186 } 11187 11188 @Override 11189 public void replacePreferredActivity(IntentFilter filter, int match, 11190 ComponentName[] set, ComponentName activity) { 11191 if (filter.countActions() != 1) { 11192 throw new IllegalArgumentException( 11193 "replacePreferredActivity expects filter to have only 1 action."); 11194 } 11195 if (filter.countDataAuthorities() != 0 11196 || filter.countDataPaths() != 0 11197 || filter.countDataSchemes() > 1 11198 || filter.countDataTypes() != 0) { 11199 throw new IllegalArgumentException( 11200 "replacePreferredActivity expects filter to have no data authorities, " + 11201 "paths, or types; and at most one scheme."); 11202 } 11203 synchronized (mPackages) { 11204 if (mContext.checkCallingOrSelfPermission( 11205 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11206 != PackageManager.PERMISSION_GRANTED) { 11207 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11208 < Build.VERSION_CODES.FROYO) { 11209 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11210 + Binder.getCallingUid()); 11211 return; 11212 } 11213 mContext.enforceCallingOrSelfPermission( 11214 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11215 } 11216 11217 final int callingUserId = UserHandle.getCallingUserId(); 11218 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11219 if (pir != null) { 11220 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11221 if (filter.countDataSchemes() == 1) { 11222 Uri.Builder builder = new Uri.Builder(); 11223 builder.scheme(filter.getDataScheme(0)); 11224 intent.setData(builder.build()); 11225 } 11226 List<PreferredActivity> matches = pir.queryIntent( 11227 intent, null, true, callingUserId); 11228 if (DEBUG_PREFERRED) { 11229 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11230 } 11231 for (int i = 0; i < matches.size(); i++) { 11232 PreferredActivity pa = matches.get(i); 11233 if (DEBUG_PREFERRED) { 11234 Slog.i(TAG, "Removing preferred activity " 11235 + pa.mPref.mComponent + ":"); 11236 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11237 } 11238 pir.removeFilter(pa); 11239 } 11240 } 11241 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11242 } 11243 } 11244 11245 @Override 11246 public void clearPackagePreferredActivities(String packageName) { 11247 final int uid = Binder.getCallingUid(); 11248 // writer 11249 synchronized (mPackages) { 11250 PackageParser.Package pkg = mPackages.get(packageName); 11251 if (pkg == null || pkg.applicationInfo.uid != uid) { 11252 if (mContext.checkCallingOrSelfPermission( 11253 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11254 != PackageManager.PERMISSION_GRANTED) { 11255 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11256 < Build.VERSION_CODES.FROYO) { 11257 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11258 + Binder.getCallingUid()); 11259 return; 11260 } 11261 mContext.enforceCallingOrSelfPermission( 11262 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11263 } 11264 } 11265 11266 int user = UserHandle.getCallingUserId(); 11267 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11268 mSettings.writePackageRestrictionsLPr(user); 11269 scheduleWriteSettingsLocked(); 11270 } 11271 } 11272 } 11273 11274 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11275 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11276 ArrayList<PreferredActivity> removed = null; 11277 boolean changed = false; 11278 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11279 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11280 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11281 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11282 continue; 11283 } 11284 Iterator<PreferredActivity> it = pir.filterIterator(); 11285 while (it.hasNext()) { 11286 PreferredActivity pa = it.next(); 11287 // Mark entry for removal only if it matches the package name 11288 // and the entry is of type "always". 11289 if (packageName == null || 11290 (pa.mPref.mComponent.getPackageName().equals(packageName) 11291 && pa.mPref.mAlways)) { 11292 if (removed == null) { 11293 removed = new ArrayList<PreferredActivity>(); 11294 } 11295 removed.add(pa); 11296 } 11297 } 11298 if (removed != null) { 11299 for (int j=0; j<removed.size(); j++) { 11300 PreferredActivity pa = removed.get(j); 11301 pir.removeFilter(pa); 11302 } 11303 changed = true; 11304 } 11305 } 11306 return changed; 11307 } 11308 11309 @Override 11310 public void resetPreferredActivities(int userId) { 11311 mContext.enforceCallingOrSelfPermission( 11312 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11313 // writer 11314 synchronized (mPackages) { 11315 int user = UserHandle.getCallingUserId(); 11316 clearPackagePreferredActivitiesLPw(null, user); 11317 mSettings.readDefaultPreferredAppsLPw(this, user); 11318 mSettings.writePackageRestrictionsLPr(user); 11319 scheduleWriteSettingsLocked(); 11320 } 11321 } 11322 11323 @Override 11324 public int getPreferredActivities(List<IntentFilter> outFilters, 11325 List<ComponentName> outActivities, String packageName) { 11326 11327 int num = 0; 11328 final int userId = UserHandle.getCallingUserId(); 11329 // reader 11330 synchronized (mPackages) { 11331 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11332 if (pir != null) { 11333 final Iterator<PreferredActivity> it = pir.filterIterator(); 11334 while (it.hasNext()) { 11335 final PreferredActivity pa = it.next(); 11336 if (packageName == null 11337 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11338 && pa.mPref.mAlways)) { 11339 if (outFilters != null) { 11340 outFilters.add(new IntentFilter(pa)); 11341 } 11342 if (outActivities != null) { 11343 outActivities.add(pa.mPref.mComponent); 11344 } 11345 } 11346 } 11347 } 11348 } 11349 11350 return num; 11351 } 11352 11353 @Override 11354 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11355 int userId) { 11356 int callingUid = Binder.getCallingUid(); 11357 if (callingUid != Process.SYSTEM_UID) { 11358 throw new SecurityException( 11359 "addPersistentPreferredActivity can only be run by the system"); 11360 } 11361 if (filter.countActions() == 0) { 11362 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11363 return; 11364 } 11365 synchronized (mPackages) { 11366 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11367 " :"); 11368 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11369 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11370 new PersistentPreferredActivity(filter, activity)); 11371 mSettings.writePackageRestrictionsLPr(userId); 11372 } 11373 } 11374 11375 @Override 11376 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11377 int callingUid = Binder.getCallingUid(); 11378 if (callingUid != Process.SYSTEM_UID) { 11379 throw new SecurityException( 11380 "clearPackagePersistentPreferredActivities can only be run by the system"); 11381 } 11382 ArrayList<PersistentPreferredActivity> removed = null; 11383 boolean changed = false; 11384 synchronized (mPackages) { 11385 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11386 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11387 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11388 .valueAt(i); 11389 if (userId != thisUserId) { 11390 continue; 11391 } 11392 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11393 while (it.hasNext()) { 11394 PersistentPreferredActivity ppa = it.next(); 11395 // Mark entry for removal only if it matches the package name. 11396 if (ppa.mComponent.getPackageName().equals(packageName)) { 11397 if (removed == null) { 11398 removed = new ArrayList<PersistentPreferredActivity>(); 11399 } 11400 removed.add(ppa); 11401 } 11402 } 11403 if (removed != null) { 11404 for (int j=0; j<removed.size(); j++) { 11405 PersistentPreferredActivity ppa = removed.get(j); 11406 ppir.removeFilter(ppa); 11407 } 11408 changed = true; 11409 } 11410 } 11411 11412 if (changed) { 11413 mSettings.writePackageRestrictionsLPr(userId); 11414 } 11415 } 11416 } 11417 11418 @Override 11419 public void addForwardingIntentFilter(IntentFilter filter, boolean removable, int userIdOrig, 11420 int userIdDest) { 11421 mContext.enforceCallingOrSelfPermission( 11422 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11423 if (filter.countActions() == 0) { 11424 Slog.w(TAG, "Cannot set a forwarding intent filter with no filter actions"); 11425 return; 11426 } 11427 synchronized (mPackages) { 11428 mSettings.editForwardingIntentResolverLPw(userIdOrig).addFilter( 11429 new ForwardingIntentFilter(filter, removable, userIdDest)); 11430 mSettings.writePackageRestrictionsLPr(userIdOrig); 11431 } 11432 } 11433 11434 @Override 11435 public void clearForwardingIntentFilters(int userIdOrig) { 11436 mContext.enforceCallingOrSelfPermission( 11437 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11438 synchronized (mPackages) { 11439 ForwardingIntentResolver fir = mSettings.editForwardingIntentResolverLPw(userIdOrig); 11440 HashSet<ForwardingIntentFilter> set = 11441 new HashSet<ForwardingIntentFilter>(fir.filterSet()); 11442 for (ForwardingIntentFilter fif : set) { 11443 if (fif.isRemovable()) fir.removeFilter(fif); 11444 } 11445 mSettings.writePackageRestrictionsLPr(userIdOrig); 11446 } 11447 } 11448 11449 @Override 11450 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11451 Intent intent = new Intent(Intent.ACTION_MAIN); 11452 intent.addCategory(Intent.CATEGORY_HOME); 11453 11454 final int callingUserId = UserHandle.getCallingUserId(); 11455 List<ResolveInfo> list = queryIntentActivities(intent, null, 11456 PackageManager.GET_META_DATA, callingUserId); 11457 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11458 true, false, false, callingUserId); 11459 11460 allHomeCandidates.clear(); 11461 if (list != null) { 11462 for (ResolveInfo ri : list) { 11463 allHomeCandidates.add(ri); 11464 } 11465 } 11466 return (preferred == null || preferred.activityInfo == null) 11467 ? null 11468 : new ComponentName(preferred.activityInfo.packageName, 11469 preferred.activityInfo.name); 11470 } 11471 11472 @Override 11473 public void setApplicationEnabledSetting(String appPackageName, 11474 int newState, int flags, int userId, String callingPackage) { 11475 if (!sUserManager.exists(userId)) return; 11476 if (callingPackage == null) { 11477 callingPackage = Integer.toString(Binder.getCallingUid()); 11478 } 11479 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11480 } 11481 11482 @Override 11483 public void setComponentEnabledSetting(ComponentName componentName, 11484 int newState, int flags, int userId) { 11485 if (!sUserManager.exists(userId)) return; 11486 setEnabledSetting(componentName.getPackageName(), 11487 componentName.getClassName(), newState, flags, userId, null); 11488 } 11489 11490 private void setEnabledSetting(final String packageName, String className, int newState, 11491 final int flags, int userId, String callingPackage) { 11492 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11493 || newState == COMPONENT_ENABLED_STATE_ENABLED 11494 || newState == COMPONENT_ENABLED_STATE_DISABLED 11495 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11496 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11497 throw new IllegalArgumentException("Invalid new component state: " 11498 + newState); 11499 } 11500 PackageSetting pkgSetting; 11501 final int uid = Binder.getCallingUid(); 11502 final int permission = mContext.checkCallingOrSelfPermission( 11503 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11504 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11505 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11506 boolean sendNow = false; 11507 boolean isApp = (className == null); 11508 String componentName = isApp ? packageName : className; 11509 int packageUid = -1; 11510 ArrayList<String> components; 11511 11512 // writer 11513 synchronized (mPackages) { 11514 pkgSetting = mSettings.mPackages.get(packageName); 11515 if (pkgSetting == null) { 11516 if (className == null) { 11517 throw new IllegalArgumentException( 11518 "Unknown package: " + packageName); 11519 } 11520 throw new IllegalArgumentException( 11521 "Unknown component: " + packageName 11522 + "/" + className); 11523 } 11524 // Allow root and verify that userId is not being specified by a different user 11525 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11526 throw new SecurityException( 11527 "Permission Denial: attempt to change component state from pid=" 11528 + Binder.getCallingPid() 11529 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11530 } 11531 if (className == null) { 11532 // We're dealing with an application/package level state change 11533 if (pkgSetting.getEnabled(userId) == newState) { 11534 // Nothing to do 11535 return; 11536 } 11537 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11538 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11539 // Don't care about who enables an app. 11540 callingPackage = null; 11541 } 11542 pkgSetting.setEnabled(newState, userId, callingPackage); 11543 // pkgSetting.pkg.mSetEnabled = newState; 11544 } else { 11545 // We're dealing with a component level state change 11546 // First, verify that this is a valid class name. 11547 PackageParser.Package pkg = pkgSetting.pkg; 11548 if (pkg == null || !pkg.hasComponentClassName(className)) { 11549 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11550 throw new IllegalArgumentException("Component class " + className 11551 + " does not exist in " + packageName); 11552 } else { 11553 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11554 + className + " does not exist in " + packageName); 11555 } 11556 } 11557 switch (newState) { 11558 case COMPONENT_ENABLED_STATE_ENABLED: 11559 if (!pkgSetting.enableComponentLPw(className, userId)) { 11560 return; 11561 } 11562 break; 11563 case COMPONENT_ENABLED_STATE_DISABLED: 11564 if (!pkgSetting.disableComponentLPw(className, userId)) { 11565 return; 11566 } 11567 break; 11568 case COMPONENT_ENABLED_STATE_DEFAULT: 11569 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11570 return; 11571 } 11572 break; 11573 default: 11574 Slog.e(TAG, "Invalid new component state: " + newState); 11575 return; 11576 } 11577 } 11578 mSettings.writePackageRestrictionsLPr(userId); 11579 components = mPendingBroadcasts.get(userId, packageName); 11580 final boolean newPackage = components == null; 11581 if (newPackage) { 11582 components = new ArrayList<String>(); 11583 } 11584 if (!components.contains(componentName)) { 11585 components.add(componentName); 11586 } 11587 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11588 sendNow = true; 11589 // Purge entry from pending broadcast list if another one exists already 11590 // since we are sending one right away. 11591 mPendingBroadcasts.remove(userId, packageName); 11592 } else { 11593 if (newPackage) { 11594 mPendingBroadcasts.put(userId, packageName, components); 11595 } 11596 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11597 // Schedule a message 11598 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11599 } 11600 } 11601 } 11602 11603 long callingId = Binder.clearCallingIdentity(); 11604 try { 11605 if (sendNow) { 11606 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11607 sendPackageChangedBroadcast(packageName, 11608 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11609 } 11610 } finally { 11611 Binder.restoreCallingIdentity(callingId); 11612 } 11613 } 11614 11615 private void sendPackageChangedBroadcast(String packageName, 11616 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11617 if (DEBUG_INSTALL) 11618 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11619 + componentNames); 11620 Bundle extras = new Bundle(4); 11621 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11622 String nameList[] = new String[componentNames.size()]; 11623 componentNames.toArray(nameList); 11624 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11625 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11626 extras.putInt(Intent.EXTRA_UID, packageUid); 11627 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11628 new int[] {UserHandle.getUserId(packageUid)}); 11629 } 11630 11631 @Override 11632 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11633 if (!sUserManager.exists(userId)) return; 11634 final int uid = Binder.getCallingUid(); 11635 final int permission = mContext.checkCallingOrSelfPermission( 11636 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11637 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11638 enforceCrossUserPermission(uid, userId, true, "stop package"); 11639 // writer 11640 synchronized (mPackages) { 11641 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11642 uid, userId)) { 11643 scheduleWritePackageRestrictionsLocked(userId); 11644 } 11645 } 11646 } 11647 11648 @Override 11649 public String getInstallerPackageName(String packageName) { 11650 // reader 11651 synchronized (mPackages) { 11652 return mSettings.getInstallerPackageNameLPr(packageName); 11653 } 11654 } 11655 11656 @Override 11657 public int getApplicationEnabledSetting(String packageName, int userId) { 11658 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11659 int uid = Binder.getCallingUid(); 11660 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11661 // reader 11662 synchronized (mPackages) { 11663 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11664 } 11665 } 11666 11667 @Override 11668 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11669 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11670 int uid = Binder.getCallingUid(); 11671 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11672 // reader 11673 synchronized (mPackages) { 11674 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11675 } 11676 } 11677 11678 @Override 11679 public void enterSafeMode() { 11680 enforceSystemOrRoot("Only the system can request entering safe mode"); 11681 11682 if (!mSystemReady) { 11683 mSafeMode = true; 11684 } 11685 } 11686 11687 @Override 11688 public void systemReady() { 11689 mSystemReady = true; 11690 11691 // Read the compatibilty setting when the system is ready. 11692 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11693 mContext.getContentResolver(), 11694 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11695 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11696 if (DEBUG_SETTINGS) { 11697 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11698 } 11699 11700 synchronized (mPackages) { 11701 // Verify that all of the preferred activity components actually 11702 // exist. It is possible for applications to be updated and at 11703 // that point remove a previously declared activity component that 11704 // had been set as a preferred activity. We try to clean this up 11705 // the next time we encounter that preferred activity, but it is 11706 // possible for the user flow to never be able to return to that 11707 // situation so here we do a sanity check to make sure we haven't 11708 // left any junk around. 11709 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11710 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11711 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11712 removed.clear(); 11713 for (PreferredActivity pa : pir.filterSet()) { 11714 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11715 removed.add(pa); 11716 } 11717 } 11718 if (removed.size() > 0) { 11719 for (int j=0; j<removed.size(); j++) { 11720 PreferredActivity pa = removed.get(i); 11721 Slog.w(TAG, "Removing dangling preferred activity: " 11722 + pa.mPref.mComponent); 11723 pir.removeFilter(pa); 11724 } 11725 mSettings.writePackageRestrictionsLPr( 11726 mSettings.mPreferredActivities.keyAt(i)); 11727 } 11728 } 11729 } 11730 sUserManager.systemReady(); 11731 } 11732 11733 @Override 11734 public boolean isSafeMode() { 11735 return mSafeMode; 11736 } 11737 11738 @Override 11739 public boolean hasSystemUidErrors() { 11740 return mHasSystemUidErrors; 11741 } 11742 11743 static String arrayToString(int[] array) { 11744 StringBuffer buf = new StringBuffer(128); 11745 buf.append('['); 11746 if (array != null) { 11747 for (int i=0; i<array.length; i++) { 11748 if (i > 0) buf.append(", "); 11749 buf.append(array[i]); 11750 } 11751 } 11752 buf.append(']'); 11753 return buf.toString(); 11754 } 11755 11756 static class DumpState { 11757 public static final int DUMP_LIBS = 1 << 0; 11758 11759 public static final int DUMP_FEATURES = 1 << 1; 11760 11761 public static final int DUMP_RESOLVERS = 1 << 2; 11762 11763 public static final int DUMP_PERMISSIONS = 1 << 3; 11764 11765 public static final int DUMP_PACKAGES = 1 << 4; 11766 11767 public static final int DUMP_SHARED_USERS = 1 << 5; 11768 11769 public static final int DUMP_MESSAGES = 1 << 6; 11770 11771 public static final int DUMP_PROVIDERS = 1 << 7; 11772 11773 public static final int DUMP_VERIFIERS = 1 << 8; 11774 11775 public static final int DUMP_PREFERRED = 1 << 9; 11776 11777 public static final int DUMP_PREFERRED_XML = 1 << 10; 11778 11779 public static final int DUMP_KEYSETS = 1 << 11; 11780 11781 public static final int DUMP_VERSION = 1 << 12; 11782 11783 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11784 11785 private int mTypes; 11786 11787 private int mOptions; 11788 11789 private boolean mTitlePrinted; 11790 11791 private SharedUserSetting mSharedUser; 11792 11793 public boolean isDumping(int type) { 11794 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11795 return true; 11796 } 11797 11798 return (mTypes & type) != 0; 11799 } 11800 11801 public void setDump(int type) { 11802 mTypes |= type; 11803 } 11804 11805 public boolean isOptionEnabled(int option) { 11806 return (mOptions & option) != 0; 11807 } 11808 11809 public void setOptionEnabled(int option) { 11810 mOptions |= option; 11811 } 11812 11813 public boolean onTitlePrinted() { 11814 final boolean printed = mTitlePrinted; 11815 mTitlePrinted = true; 11816 return printed; 11817 } 11818 11819 public boolean getTitlePrinted() { 11820 return mTitlePrinted; 11821 } 11822 11823 public void setTitlePrinted(boolean enabled) { 11824 mTitlePrinted = enabled; 11825 } 11826 11827 public SharedUserSetting getSharedUser() { 11828 return mSharedUser; 11829 } 11830 11831 public void setSharedUser(SharedUserSetting user) { 11832 mSharedUser = user; 11833 } 11834 } 11835 11836 @Override 11837 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11838 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11839 != PackageManager.PERMISSION_GRANTED) { 11840 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11841 + Binder.getCallingPid() 11842 + ", uid=" + Binder.getCallingUid() 11843 + " without permission " 11844 + android.Manifest.permission.DUMP); 11845 return; 11846 } 11847 11848 DumpState dumpState = new DumpState(); 11849 boolean fullPreferred = false; 11850 boolean checkin = false; 11851 11852 String packageName = null; 11853 11854 int opti = 0; 11855 while (opti < args.length) { 11856 String opt = args[opti]; 11857 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11858 break; 11859 } 11860 opti++; 11861 if ("-a".equals(opt)) { 11862 // Right now we only know how to print all. 11863 } else if ("-h".equals(opt)) { 11864 pw.println("Package manager dump options:"); 11865 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11866 pw.println(" --checkin: dump for a checkin"); 11867 pw.println(" -f: print details of intent filters"); 11868 pw.println(" -h: print this help"); 11869 pw.println(" cmd may be one of:"); 11870 pw.println(" l[ibraries]: list known shared libraries"); 11871 pw.println(" f[ibraries]: list device features"); 11872 pw.println(" r[esolvers]: dump intent resolvers"); 11873 pw.println(" perm[issions]: dump permissions"); 11874 pw.println(" pref[erred]: print preferred package settings"); 11875 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11876 pw.println(" prov[iders]: dump content providers"); 11877 pw.println(" p[ackages]: dump installed packages"); 11878 pw.println(" s[hared-users]: dump shared user IDs"); 11879 pw.println(" m[essages]: print collected runtime messages"); 11880 pw.println(" v[erifiers]: print package verifier info"); 11881 pw.println(" version: print database version info"); 11882 pw.println(" <package.name>: info about given package"); 11883 pw.println(" k[eysets]: print known keysets"); 11884 return; 11885 } else if ("--checkin".equals(opt)) { 11886 checkin = true; 11887 } else if ("-f".equals(opt)) { 11888 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11889 } else { 11890 pw.println("Unknown argument: " + opt + "; use -h for help"); 11891 } 11892 } 11893 11894 // Is the caller requesting to dump a particular piece of data? 11895 if (opti < args.length) { 11896 String cmd = args[opti]; 11897 opti++; 11898 // Is this a package name? 11899 if ("android".equals(cmd) || cmd.contains(".")) { 11900 packageName = cmd; 11901 // When dumping a single package, we always dump all of its 11902 // filter information since the amount of data will be reasonable. 11903 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11904 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11905 dumpState.setDump(DumpState.DUMP_LIBS); 11906 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11907 dumpState.setDump(DumpState.DUMP_FEATURES); 11908 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11909 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11910 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11911 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11912 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11913 dumpState.setDump(DumpState.DUMP_PREFERRED); 11914 } else if ("preferred-xml".equals(cmd)) { 11915 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 11916 if (opti < args.length && "--full".equals(args[opti])) { 11917 fullPreferred = true; 11918 opti++; 11919 } 11920 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 11921 dumpState.setDump(DumpState.DUMP_PACKAGES); 11922 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 11923 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 11924 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 11925 dumpState.setDump(DumpState.DUMP_PROVIDERS); 11926 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 11927 dumpState.setDump(DumpState.DUMP_MESSAGES); 11928 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 11929 dumpState.setDump(DumpState.DUMP_VERIFIERS); 11930 } else if ("version".equals(cmd)) { 11931 dumpState.setDump(DumpState.DUMP_VERSION); 11932 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 11933 dumpState.setDump(DumpState.DUMP_KEYSETS); 11934 } 11935 } 11936 11937 if (checkin) { 11938 pw.println("vers,1"); 11939 } 11940 11941 // reader 11942 synchronized (mPackages) { 11943 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 11944 if (!checkin) { 11945 if (dumpState.onTitlePrinted()) 11946 pw.println(); 11947 pw.println("Database versions:"); 11948 pw.print(" SDK Version:"); 11949 pw.print(" internal="); 11950 pw.print(mSettings.mInternalSdkPlatform); 11951 pw.print(" external="); 11952 pw.println(mSettings.mExternalSdkPlatform); 11953 pw.print(" DB Version:"); 11954 pw.print(" internal="); 11955 pw.print(mSettings.mInternalDatabaseVersion); 11956 pw.print(" external="); 11957 pw.println(mSettings.mExternalDatabaseVersion); 11958 } 11959 } 11960 11961 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 11962 if (!checkin) { 11963 if (dumpState.onTitlePrinted()) 11964 pw.println(); 11965 pw.println("Verifiers:"); 11966 pw.print(" Required: "); 11967 pw.print(mRequiredVerifierPackage); 11968 pw.print(" (uid="); 11969 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 11970 pw.println(")"); 11971 } else if (mRequiredVerifierPackage != null) { 11972 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 11973 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 11974 } 11975 } 11976 11977 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 11978 boolean printedHeader = false; 11979 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 11980 while (it.hasNext()) { 11981 String name = it.next(); 11982 SharedLibraryEntry ent = mSharedLibraries.get(name); 11983 if (!checkin) { 11984 if (!printedHeader) { 11985 if (dumpState.onTitlePrinted()) 11986 pw.println(); 11987 pw.println("Libraries:"); 11988 printedHeader = true; 11989 } 11990 pw.print(" "); 11991 } else { 11992 pw.print("lib,"); 11993 } 11994 pw.print(name); 11995 if (!checkin) { 11996 pw.print(" -> "); 11997 } 11998 if (ent.path != null) { 11999 if (!checkin) { 12000 pw.print("(jar) "); 12001 pw.print(ent.path); 12002 } else { 12003 pw.print(",jar,"); 12004 pw.print(ent.path); 12005 } 12006 } else { 12007 if (!checkin) { 12008 pw.print("(apk) "); 12009 pw.print(ent.apk); 12010 } else { 12011 pw.print(",apk,"); 12012 pw.print(ent.apk); 12013 } 12014 } 12015 pw.println(); 12016 } 12017 } 12018 12019 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12020 if (dumpState.onTitlePrinted()) 12021 pw.println(); 12022 if (!checkin) { 12023 pw.println("Features:"); 12024 } 12025 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12026 while (it.hasNext()) { 12027 String name = it.next(); 12028 if (!checkin) { 12029 pw.print(" "); 12030 } else { 12031 pw.print("feat,"); 12032 } 12033 pw.println(name); 12034 } 12035 } 12036 12037 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12038 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12039 : "Activity Resolver Table:", " ", packageName, 12040 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12041 dumpState.setTitlePrinted(true); 12042 } 12043 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12044 : "Receiver Resolver Table:", " ", packageName, 12045 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12046 dumpState.setTitlePrinted(true); 12047 } 12048 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12049 : "Service Resolver Table:", " ", packageName, 12050 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12051 dumpState.setTitlePrinted(true); 12052 } 12053 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12054 : "Provider Resolver Table:", " ", packageName, 12055 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12056 dumpState.setTitlePrinted(true); 12057 } 12058 } 12059 12060 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12061 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12062 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12063 int user = mSettings.mPreferredActivities.keyAt(i); 12064 if (pir.dump(pw, 12065 dumpState.getTitlePrinted() 12066 ? "\nPreferred Activities User " + user + ":" 12067 : "Preferred Activities User " + user + ":", " ", 12068 packageName, true)) { 12069 dumpState.setTitlePrinted(true); 12070 } 12071 } 12072 } 12073 12074 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12075 pw.flush(); 12076 FileOutputStream fout = new FileOutputStream(fd); 12077 BufferedOutputStream str = new BufferedOutputStream(fout); 12078 XmlSerializer serializer = new FastXmlSerializer(); 12079 try { 12080 serializer.setOutput(str, "utf-8"); 12081 serializer.startDocument(null, true); 12082 serializer.setFeature( 12083 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12084 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12085 serializer.endDocument(); 12086 serializer.flush(); 12087 } catch (IllegalArgumentException e) { 12088 pw.println("Failed writing: " + e); 12089 } catch (IllegalStateException e) { 12090 pw.println("Failed writing: " + e); 12091 } catch (IOException e) { 12092 pw.println("Failed writing: " + e); 12093 } 12094 } 12095 12096 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12097 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12098 } 12099 12100 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12101 boolean printedSomething = false; 12102 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12103 if (packageName != null && !packageName.equals(p.info.packageName)) { 12104 continue; 12105 } 12106 if (!printedSomething) { 12107 if (dumpState.onTitlePrinted()) 12108 pw.println(); 12109 pw.println("Registered ContentProviders:"); 12110 printedSomething = true; 12111 } 12112 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12113 pw.print(" "); pw.println(p.toString()); 12114 } 12115 printedSomething = false; 12116 for (Map.Entry<String, PackageParser.Provider> entry : 12117 mProvidersByAuthority.entrySet()) { 12118 PackageParser.Provider p = entry.getValue(); 12119 if (packageName != null && !packageName.equals(p.info.packageName)) { 12120 continue; 12121 } 12122 if (!printedSomething) { 12123 if (dumpState.onTitlePrinted()) 12124 pw.println(); 12125 pw.println("ContentProvider Authorities:"); 12126 printedSomething = true; 12127 } 12128 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12129 pw.print(" "); pw.println(p.toString()); 12130 if (p.info != null && p.info.applicationInfo != null) { 12131 final String appInfo = p.info.applicationInfo.toString(); 12132 pw.print(" applicationInfo="); pw.println(appInfo); 12133 } 12134 } 12135 } 12136 12137 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12138 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12139 } 12140 12141 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12142 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12143 } 12144 12145 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12146 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12147 } 12148 12149 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12150 if (dumpState.onTitlePrinted()) 12151 pw.println(); 12152 mSettings.dumpReadMessagesLPr(pw, dumpState); 12153 12154 pw.println(); 12155 pw.println("Package warning messages:"); 12156 final File fname = getSettingsProblemFile(); 12157 FileInputStream in = null; 12158 try { 12159 in = new FileInputStream(fname); 12160 final int avail = in.available(); 12161 final byte[] data = new byte[avail]; 12162 in.read(data); 12163 pw.print(new String(data)); 12164 } catch (FileNotFoundException e) { 12165 } catch (IOException e) { 12166 } finally { 12167 if (in != null) { 12168 try { 12169 in.close(); 12170 } catch (IOException e) { 12171 } 12172 } 12173 } 12174 } 12175 } 12176 } 12177 12178 // ------- apps on sdcard specific code ------- 12179 static final boolean DEBUG_SD_INSTALL = false; 12180 12181 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12182 12183 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12184 12185 private boolean mMediaMounted = false; 12186 12187 private String getEncryptKey() { 12188 try { 12189 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12190 SD_ENCRYPTION_KEYSTORE_NAME); 12191 if (sdEncKey == null) { 12192 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12193 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12194 if (sdEncKey == null) { 12195 Slog.e(TAG, "Failed to create encryption keys"); 12196 return null; 12197 } 12198 } 12199 return sdEncKey; 12200 } catch (NoSuchAlgorithmException nsae) { 12201 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12202 return null; 12203 } catch (IOException ioe) { 12204 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12205 return null; 12206 } 12207 12208 } 12209 12210 /* package */static String getTempContainerId() { 12211 int tmpIdx = 1; 12212 String list[] = PackageHelper.getSecureContainerList(); 12213 if (list != null) { 12214 for (final String name : list) { 12215 // Ignore null and non-temporary container entries 12216 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12217 continue; 12218 } 12219 12220 String subStr = name.substring(mTempContainerPrefix.length()); 12221 try { 12222 int cid = Integer.parseInt(subStr); 12223 if (cid >= tmpIdx) { 12224 tmpIdx = cid + 1; 12225 } 12226 } catch (NumberFormatException e) { 12227 } 12228 } 12229 } 12230 return mTempContainerPrefix + tmpIdx; 12231 } 12232 12233 /* 12234 * Update media status on PackageManager. 12235 */ 12236 @Override 12237 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12238 int callingUid = Binder.getCallingUid(); 12239 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12240 throw new SecurityException("Media status can only be updated by the system"); 12241 } 12242 // reader; this apparently protects mMediaMounted, but should probably 12243 // be a different lock in that case. 12244 synchronized (mPackages) { 12245 Log.i(TAG, "Updating external media status from " 12246 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12247 + (mediaStatus ? "mounted" : "unmounted")); 12248 if (DEBUG_SD_INSTALL) 12249 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12250 + ", mMediaMounted=" + mMediaMounted); 12251 if (mediaStatus == mMediaMounted) { 12252 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12253 : 0, -1); 12254 mHandler.sendMessage(msg); 12255 return; 12256 } 12257 mMediaMounted = mediaStatus; 12258 } 12259 // Queue up an async operation since the package installation may take a 12260 // little while. 12261 mHandler.post(new Runnable() { 12262 public void run() { 12263 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12264 } 12265 }); 12266 } 12267 12268 /** 12269 * Called by MountService when the initial ASECs to scan are available. 12270 * Should block until all the ASEC containers are finished being scanned. 12271 */ 12272 public void scanAvailableAsecs() { 12273 updateExternalMediaStatusInner(true, false, false); 12274 if (mShouldRestoreconData) { 12275 SELinuxMMAC.setRestoreconDone(); 12276 mShouldRestoreconData = false; 12277 } 12278 } 12279 12280 /* 12281 * Collect information of applications on external media, map them against 12282 * existing containers and update information based on current mount status. 12283 * Please note that we always have to report status if reportStatus has been 12284 * set to true especially when unloading packages. 12285 */ 12286 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12287 boolean externalStorage) { 12288 // Collection of uids 12289 int uidArr[] = null; 12290 // Collection of stale containers 12291 HashSet<String> removeCids = new HashSet<String>(); 12292 // Collection of packages on external media with valid containers. 12293 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12294 // Get list of secure containers. 12295 final String list[] = PackageHelper.getSecureContainerList(); 12296 if (list == null || list.length == 0) { 12297 Log.i(TAG, "No secure containers on sdcard"); 12298 } else { 12299 // Process list of secure containers and categorize them 12300 // as active or stale based on their package internal state. 12301 int uidList[] = new int[list.length]; 12302 int num = 0; 12303 // reader 12304 synchronized (mPackages) { 12305 for (String cid : list) { 12306 if (DEBUG_SD_INSTALL) 12307 Log.i(TAG, "Processing container " + cid); 12308 String pkgName = getAsecPackageName(cid); 12309 if (pkgName == null) { 12310 if (DEBUG_SD_INSTALL) 12311 Log.i(TAG, "Container : " + cid + " stale"); 12312 removeCids.add(cid); 12313 continue; 12314 } 12315 if (DEBUG_SD_INSTALL) 12316 Log.i(TAG, "Looking for pkg : " + pkgName); 12317 12318 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12319 if (ps == null) { 12320 Log.i(TAG, "Deleting container with no matching settings " + cid); 12321 removeCids.add(cid); 12322 continue; 12323 } 12324 12325 /* 12326 * Skip packages that are not external if we're unmounting 12327 * external storage. 12328 */ 12329 if (externalStorage && !isMounted && !isExternal(ps)) { 12330 continue; 12331 } 12332 12333 final AsecInstallArgs args = new AsecInstallArgs(cid, 12334 getAppInstructionSetFromSettings(ps), 12335 isForwardLocked(ps)); 12336 // The package status is changed only if the code path 12337 // matches between settings and the container id. 12338 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12339 if (DEBUG_SD_INSTALL) { 12340 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12341 + " at code path: " + ps.codePathString); 12342 } 12343 12344 // We do have a valid package installed on sdcard 12345 processCids.put(args, ps.codePathString); 12346 final int uid = ps.appId; 12347 if (uid != -1) { 12348 uidList[num++] = uid; 12349 } 12350 } else { 12351 Log.i(TAG, "Deleting stale container for " + cid); 12352 removeCids.add(cid); 12353 } 12354 } 12355 } 12356 12357 if (num > 0) { 12358 // Sort uid list 12359 Arrays.sort(uidList, 0, num); 12360 // Throw away duplicates 12361 uidArr = new int[num]; 12362 uidArr[0] = uidList[0]; 12363 int di = 0; 12364 for (int i = 1; i < num; i++) { 12365 if (uidList[i - 1] != uidList[i]) { 12366 uidArr[di++] = uidList[i]; 12367 } 12368 } 12369 } 12370 } 12371 // Process packages with valid entries. 12372 if (isMounted) { 12373 if (DEBUG_SD_INSTALL) 12374 Log.i(TAG, "Loading packages"); 12375 loadMediaPackages(processCids, uidArr, removeCids); 12376 startCleaningPackages(); 12377 } else { 12378 if (DEBUG_SD_INSTALL) 12379 Log.i(TAG, "Unloading packages"); 12380 unloadMediaPackages(processCids, uidArr, reportStatus); 12381 } 12382 } 12383 12384 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12385 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12386 int size = pkgList.size(); 12387 if (size > 0) { 12388 // Send broadcasts here 12389 Bundle extras = new Bundle(); 12390 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12391 .toArray(new String[size])); 12392 if (uidArr != null) { 12393 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12394 } 12395 if (replacing) { 12396 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12397 } 12398 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12399 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12400 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12401 } 12402 } 12403 12404 /* 12405 * Look at potentially valid container ids from processCids If package 12406 * information doesn't match the one on record or package scanning fails, 12407 * the cid is added to list of removeCids. We currently don't delete stale 12408 * containers. 12409 */ 12410 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12411 HashSet<String> removeCids) { 12412 ArrayList<String> pkgList = new ArrayList<String>(); 12413 Set<AsecInstallArgs> keys = processCids.keySet(); 12414 boolean doGc = false; 12415 for (AsecInstallArgs args : keys) { 12416 String codePath = processCids.get(args); 12417 if (DEBUG_SD_INSTALL) 12418 Log.i(TAG, "Loading container : " + args.cid); 12419 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12420 try { 12421 // Make sure there are no container errors first. 12422 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12423 Slog.e(TAG, "Failed to mount cid : " + args.cid 12424 + " when installing from sdcard"); 12425 continue; 12426 } 12427 // Check code path here. 12428 if (codePath == null || !codePath.equals(args.getCodePath())) { 12429 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12430 + " does not match one in settings " + codePath); 12431 continue; 12432 } 12433 // Parse package 12434 int parseFlags = mDefParseFlags; 12435 if (args.isExternal()) { 12436 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12437 } 12438 if (args.isFwdLocked()) { 12439 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12440 } 12441 12442 doGc = true; 12443 synchronized (mInstallLock) { 12444 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12445 0, 0, null); 12446 // Scan the package 12447 if (pkg != null) { 12448 /* 12449 * TODO why is the lock being held? doPostInstall is 12450 * called in other places without the lock. This needs 12451 * to be straightened out. 12452 */ 12453 // writer 12454 synchronized (mPackages) { 12455 retCode = PackageManager.INSTALL_SUCCEEDED; 12456 pkgList.add(pkg.packageName); 12457 // Post process args 12458 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12459 pkg.applicationInfo.uid); 12460 } 12461 } else { 12462 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12463 } 12464 } 12465 12466 } finally { 12467 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12468 // Don't destroy container here. Wait till gc clears things 12469 // up. 12470 removeCids.add(args.cid); 12471 } 12472 } 12473 } 12474 // writer 12475 synchronized (mPackages) { 12476 // If the platform SDK has changed since the last time we booted, 12477 // we need to re-grant app permission to catch any new ones that 12478 // appear. This is really a hack, and means that apps can in some 12479 // cases get permissions that the user didn't initially explicitly 12480 // allow... it would be nice to have some better way to handle 12481 // this situation. 12482 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12483 if (regrantPermissions) 12484 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12485 + mSdkVersion + "; regranting permissions for external storage"); 12486 mSettings.mExternalSdkPlatform = mSdkVersion; 12487 12488 // Make sure group IDs have been assigned, and any permission 12489 // changes in other apps are accounted for 12490 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12491 | (regrantPermissions 12492 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12493 : 0)); 12494 12495 mSettings.updateExternalDatabaseVersion(); 12496 12497 // can downgrade to reader 12498 // Persist settings 12499 mSettings.writeLPr(); 12500 } 12501 // Send a broadcast to let everyone know we are done processing 12502 if (pkgList.size() > 0) { 12503 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12504 } 12505 // Force gc to avoid any stale parser references that we might have. 12506 if (doGc) { 12507 Runtime.getRuntime().gc(); 12508 } 12509 // List stale containers and destroy stale temporary containers. 12510 if (removeCids != null) { 12511 for (String cid : removeCids) { 12512 if (cid.startsWith(mTempContainerPrefix)) { 12513 Log.i(TAG, "Destroying stale temporary container " + cid); 12514 PackageHelper.destroySdDir(cid); 12515 } else { 12516 Log.w(TAG, "Container " + cid + " is stale"); 12517 } 12518 } 12519 } 12520 } 12521 12522 /* 12523 * Utility method to unload a list of specified containers 12524 */ 12525 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12526 // Just unmount all valid containers. 12527 for (AsecInstallArgs arg : cidArgs) { 12528 synchronized (mInstallLock) { 12529 arg.doPostDeleteLI(false); 12530 } 12531 } 12532 } 12533 12534 /* 12535 * Unload packages mounted on external media. This involves deleting package 12536 * data from internal structures, sending broadcasts about diabled packages, 12537 * gc'ing to free up references, unmounting all secure containers 12538 * corresponding to packages on external media, and posting a 12539 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12540 * that we always have to post this message if status has been requested no 12541 * matter what. 12542 */ 12543 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12544 final boolean reportStatus) { 12545 if (DEBUG_SD_INSTALL) 12546 Log.i(TAG, "unloading media packages"); 12547 ArrayList<String> pkgList = new ArrayList<String>(); 12548 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12549 final Set<AsecInstallArgs> keys = processCids.keySet(); 12550 for (AsecInstallArgs args : keys) { 12551 String pkgName = args.getPackageName(); 12552 if (DEBUG_SD_INSTALL) 12553 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12554 // Delete package internally 12555 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12556 synchronized (mInstallLock) { 12557 boolean res = deletePackageLI(pkgName, null, false, null, null, 12558 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12559 if (res) { 12560 pkgList.add(pkgName); 12561 } else { 12562 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12563 failedList.add(args); 12564 } 12565 } 12566 } 12567 12568 // reader 12569 synchronized (mPackages) { 12570 // We didn't update the settings after removing each package; 12571 // write them now for all packages. 12572 mSettings.writeLPr(); 12573 } 12574 12575 // We have to absolutely send UPDATED_MEDIA_STATUS only 12576 // after confirming that all the receivers processed the ordered 12577 // broadcast when packages get disabled, force a gc to clean things up. 12578 // and unload all the containers. 12579 if (pkgList.size() > 0) { 12580 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12581 new IIntentReceiver.Stub() { 12582 public void performReceive(Intent intent, int resultCode, String data, 12583 Bundle extras, boolean ordered, boolean sticky, 12584 int sendingUser) throws RemoteException { 12585 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12586 reportStatus ? 1 : 0, 1, keys); 12587 mHandler.sendMessage(msg); 12588 } 12589 }); 12590 } else { 12591 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12592 keys); 12593 mHandler.sendMessage(msg); 12594 } 12595 } 12596 12597 /** Binder call */ 12598 @Override 12599 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12600 final int flags) { 12601 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12602 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12603 int returnCode = PackageManager.MOVE_SUCCEEDED; 12604 int currFlags = 0; 12605 int newFlags = 0; 12606 // reader 12607 synchronized (mPackages) { 12608 PackageParser.Package pkg = mPackages.get(packageName); 12609 if (pkg == null) { 12610 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12611 } else { 12612 // Disable moving fwd locked apps and system packages 12613 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12614 Slog.w(TAG, "Cannot move system application"); 12615 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12616 } else if (pkg.mOperationPending) { 12617 Slog.w(TAG, "Attempt to move package which has pending operations"); 12618 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12619 } else { 12620 // Find install location first 12621 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12622 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12623 Slog.w(TAG, "Ambigous flags specified for move location."); 12624 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12625 } else { 12626 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12627 : PackageManager.INSTALL_INTERNAL; 12628 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12629 : PackageManager.INSTALL_INTERNAL; 12630 12631 if (newFlags == currFlags) { 12632 Slog.w(TAG, "No move required. Trying to move to same location"); 12633 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12634 } else { 12635 if (isForwardLocked(pkg)) { 12636 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12637 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12638 } 12639 } 12640 } 12641 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12642 pkg.mOperationPending = true; 12643 } 12644 } 12645 } 12646 12647 /* 12648 * TODO this next block probably shouldn't be inside the lock. We 12649 * can't guarantee these won't change after this is fired off 12650 * anyway. 12651 */ 12652 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12653 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12654 null, -1, user), 12655 returnCode); 12656 } else { 12657 Message msg = mHandler.obtainMessage(INIT_COPY); 12658 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12659 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12660 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12661 instructionSet); 12662 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12663 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12664 msg.obj = mp; 12665 mHandler.sendMessage(msg); 12666 } 12667 } 12668 } 12669 12670 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12671 // Queue up an async operation since the package deletion may take a 12672 // little while. 12673 mHandler.post(new Runnable() { 12674 public void run() { 12675 // TODO fix this; this does nothing. 12676 mHandler.removeCallbacks(this); 12677 int returnCode = currentStatus; 12678 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12679 int uidArr[] = null; 12680 ArrayList<String> pkgList = null; 12681 synchronized (mPackages) { 12682 PackageParser.Package pkg = mPackages.get(mp.packageName); 12683 if (pkg == null) { 12684 Slog.w(TAG, " Package " + mp.packageName 12685 + " doesn't exist. Aborting move"); 12686 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12687 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12688 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12689 + mp.srcArgs.getCodePath() + " to " 12690 + pkg.applicationInfo.sourceDir 12691 + " Aborting move and returning error"); 12692 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12693 } else { 12694 uidArr = new int[] { 12695 pkg.applicationInfo.uid 12696 }; 12697 pkgList = new ArrayList<String>(); 12698 pkgList.add(mp.packageName); 12699 } 12700 } 12701 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12702 // Send resources unavailable broadcast 12703 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12704 // Update package code and resource paths 12705 synchronized (mInstallLock) { 12706 synchronized (mPackages) { 12707 PackageParser.Package pkg = mPackages.get(mp.packageName); 12708 // Recheck for package again. 12709 if (pkg == null) { 12710 Slog.w(TAG, " Package " + mp.packageName 12711 + " doesn't exist. Aborting move"); 12712 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12713 } else if (!mp.srcArgs.getCodePath().equals( 12714 pkg.applicationInfo.sourceDir)) { 12715 Slog.w(TAG, "Package " + mp.packageName 12716 + " code path changed from " + mp.srcArgs.getCodePath() 12717 + " to " + pkg.applicationInfo.sourceDir 12718 + " Aborting move and returning error"); 12719 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12720 } else { 12721 final String oldCodePath = pkg.mPath; 12722 final String newCodePath = mp.targetArgs.getCodePath(); 12723 final String newResPath = mp.targetArgs.getResourcePath(); 12724 final String newNativePath = mp.targetArgs 12725 .getNativeLibraryPath(); 12726 12727 final File newNativeDir = new File(newNativePath); 12728 12729 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12730 // NOTE: We do not report any errors from the APK scan and library 12731 // copy at this point. 12732 NativeLibraryHelper.ApkHandle handle = 12733 new NativeLibraryHelper.ApkHandle(newCodePath); 12734 final int abi = NativeLibraryHelper.findSupportedAbi( 12735 handle, Build.SUPPORTED_ABIS); 12736 if (abi >= 0) { 12737 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12738 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12739 } 12740 handle.close(); 12741 } 12742 final int[] users = sUserManager.getUserIds(); 12743 for (int user : users) { 12744 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12745 newNativePath, user) < 0) { 12746 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12747 } 12748 } 12749 12750 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12751 pkg.mPath = newCodePath; 12752 // Move dex files around 12753 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12754 // Moving of dex files failed. Set 12755 // error code and abort move. 12756 pkg.mPath = pkg.mScanPath; 12757 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12758 } 12759 } 12760 12761 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12762 pkg.mScanPath = newCodePath; 12763 pkg.applicationInfo.sourceDir = newCodePath; 12764 pkg.applicationInfo.publicSourceDir = newResPath; 12765 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12766 PackageSetting ps = (PackageSetting) pkg.mExtras; 12767 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12768 ps.codePathString = ps.codePath.getPath(); 12769 ps.resourcePath = new File( 12770 pkg.applicationInfo.publicSourceDir); 12771 ps.resourcePathString = ps.resourcePath.getPath(); 12772 ps.nativeLibraryPathString = newNativePath; 12773 // Set the application info flag 12774 // correctly. 12775 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12776 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12777 } else { 12778 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12779 } 12780 ps.setFlags(pkg.applicationInfo.flags); 12781 mAppDirs.remove(oldCodePath); 12782 mAppDirs.put(newCodePath, pkg); 12783 // Persist settings 12784 mSettings.writeLPr(); 12785 } 12786 } 12787 } 12788 } 12789 // Send resources available broadcast 12790 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12791 } 12792 } 12793 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12794 // Clean up failed installation 12795 if (mp.targetArgs != null) { 12796 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12797 -1); 12798 } 12799 } else { 12800 // Force a gc to clear things up. 12801 Runtime.getRuntime().gc(); 12802 // Delete older code 12803 synchronized (mInstallLock) { 12804 mp.srcArgs.doPostDeleteLI(true); 12805 } 12806 } 12807 12808 // Allow more operations on this file if we didn't fail because 12809 // an operation was already pending for this package. 12810 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12811 synchronized (mPackages) { 12812 PackageParser.Package pkg = mPackages.get(mp.packageName); 12813 if (pkg != null) { 12814 pkg.mOperationPending = false; 12815 } 12816 } 12817 } 12818 12819 IPackageMoveObserver observer = mp.observer; 12820 if (observer != null) { 12821 try { 12822 observer.packageMoved(mp.packageName, returnCode); 12823 } catch (RemoteException e) { 12824 Log.i(TAG, "Observer no longer exists."); 12825 } 12826 } 12827 } 12828 }); 12829 } 12830 12831 @Override 12832 public boolean setInstallLocation(int loc) { 12833 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12834 null); 12835 if (getInstallLocation() == loc) { 12836 return true; 12837 } 12838 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12839 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12840 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12841 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12842 return true; 12843 } 12844 return false; 12845 } 12846 12847 @Override 12848 public int getInstallLocation() { 12849 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12850 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12851 PackageHelper.APP_INSTALL_AUTO); 12852 } 12853 12854 /** Called by UserManagerService */ 12855 void cleanUpUserLILPw(int userHandle) { 12856 mDirtyUsers.remove(userHandle); 12857 mSettings.removeUserLPr(userHandle); 12858 mPendingBroadcasts.remove(userHandle); 12859 if (mInstaller != null) { 12860 // Technically, we shouldn't be doing this with the package lock 12861 // held. However, this is very rare, and there is already so much 12862 // other disk I/O going on, that we'll let it slide for now. 12863 mInstaller.removeUserDataDirs(userHandle); 12864 } 12865 } 12866 12867 /** Called by UserManagerService */ 12868 void createNewUserLILPw(int userHandle, File path) { 12869 if (mInstaller != null) { 12870 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12871 } 12872 } 12873 12874 @Override 12875 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12876 mContext.enforceCallingOrSelfPermission( 12877 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12878 "Only package verification agents can read the verifier device identity"); 12879 12880 synchronized (mPackages) { 12881 return mSettings.getVerifierDeviceIdentityLPw(); 12882 } 12883 } 12884 12885 @Override 12886 public void setPermissionEnforced(String permission, boolean enforced) { 12887 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12888 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12889 synchronized (mPackages) { 12890 if (mSettings.mReadExternalStorageEnforced == null 12891 || mSettings.mReadExternalStorageEnforced != enforced) { 12892 mSettings.mReadExternalStorageEnforced = enforced; 12893 mSettings.writeLPr(); 12894 } 12895 } 12896 // kill any non-foreground processes so we restart them and 12897 // grant/revoke the GID. 12898 final IActivityManager am = ActivityManagerNative.getDefault(); 12899 if (am != null) { 12900 final long token = Binder.clearCallingIdentity(); 12901 try { 12902 am.killProcessesBelowForeground("setPermissionEnforcement"); 12903 } catch (RemoteException e) { 12904 } finally { 12905 Binder.restoreCallingIdentity(token); 12906 } 12907 } 12908 } else { 12909 throw new IllegalArgumentException("No selective enforcement for " + permission); 12910 } 12911 } 12912 12913 @Override 12914 @Deprecated 12915 public boolean isPermissionEnforced(String permission) { 12916 return true; 12917 } 12918 12919 @Override 12920 public boolean isStorageLow() { 12921 final long token = Binder.clearCallingIdentity(); 12922 try { 12923 final DeviceStorageMonitorInternal 12924 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 12925 if (dsm != null) { 12926 return dsm.isMemoryLow(); 12927 } else { 12928 return false; 12929 } 12930 } finally { 12931 Binder.restoreCallingIdentity(token); 12932 } 12933 } 12934 12935 @Override 12936 public IPackageInstaller getPackageInstaller() { 12937 return mInstallerService; 12938 } 12939} 12940