PackageManagerService.java revision 104e14531ca2212117540d8b6abc06ab67564ebc
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.Manifest.permission.INSTALL_PACKAGES; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.os.Process.PACKAGE_INFO_GID; 28import static android.os.Process.SYSTEM_UID; 29import static android.system.OsConstants.S_IRGRP; 30import static android.system.OsConstants.S_IROTH; 31import static android.system.OsConstants.S_IRWXU; 32import static android.system.OsConstants.S_IXGRP; 33import static android.system.OsConstants.S_IXOTH; 34import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 35import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 36import static com.android.internal.util.ArrayUtils.appendInt; 37import static com.android.internal.util.ArrayUtils.removeInt; 38 39import com.android.internal.R; 40import com.android.internal.app.IMediaContainerService; 41import com.android.internal.app.ResolverActivity; 42import com.android.internal.content.NativeLibraryHelper; 43import com.android.internal.content.NativeLibraryHelper.ApkHandle; 44import com.android.internal.content.PackageHelper; 45import com.android.internal.util.FastPrintWriter; 46import com.android.internal.util.FastXmlSerializer; 47import com.android.internal.util.XmlUtils; 48import com.android.server.EventLogTags; 49import com.android.server.IntentResolver; 50import com.android.server.LocalServices; 51import com.android.server.ServiceThread; 52import com.android.server.Watchdog; 53import com.android.server.pm.Settings.DatabaseVersion; 54import com.android.server.storage.DeviceStorageMonitorInternal; 55import com.android.server.storage.DeviceStorageMonitorInternal; 56 57import org.xmlpull.v1.XmlPullParser; 58import org.xmlpull.v1.XmlPullParserException; 59import org.xmlpull.v1.XmlSerializer; 60 61import android.app.ActivityManager; 62import android.app.ActivityManagerNative; 63import android.app.IActivityManager; 64import android.app.PackageInstallObserver; 65import android.app.admin.IDevicePolicyManager; 66import android.app.backup.IBackupManager; 67import android.content.BroadcastReceiver; 68import android.content.ComponentName; 69import android.content.Context; 70import android.content.IIntentReceiver; 71import android.content.Intent; 72import android.content.IntentFilter; 73import android.content.IntentSender; 74import android.content.IntentSender.SendIntentException; 75import android.content.ServiceConnection; 76import android.content.pm.ActivityInfo; 77import android.content.pm.ApplicationInfo; 78import android.content.pm.ContainerEncryptionParams; 79import android.content.pm.FeatureInfo; 80import android.content.pm.IPackageDataObserver; 81import android.content.pm.IPackageDeleteObserver; 82import android.content.pm.IPackageInstallObserver; 83import android.content.pm.IPackageInstallObserver2; 84import android.content.pm.IPackageInstaller; 85import android.content.pm.IPackageManager; 86import android.content.pm.IPackageMoveObserver; 87import android.content.pm.IPackageStatsObserver; 88import android.content.pm.InstrumentationInfo; 89import android.content.pm.ManifestDigest; 90import android.content.pm.PackageCleanItem; 91import android.content.pm.PackageInfo; 92import android.content.pm.PackageInfoLite; 93import android.content.pm.PackageInstallerParams; 94import android.content.pm.PackageManager; 95import android.content.pm.PackageParser.ActivityIntentInfo; 96import android.content.pm.PackageParser; 97import android.content.pm.PackageStats; 98import android.content.pm.PackageUserState; 99import android.content.pm.ParceledListSlice; 100import android.content.pm.PermissionGroupInfo; 101import android.content.pm.PermissionInfo; 102import android.content.pm.ProviderInfo; 103import android.content.pm.ResolveInfo; 104import android.content.pm.ServiceInfo; 105import android.content.pm.Signature; 106import android.content.pm.VerificationParams; 107import android.content.pm.VerifierDeviceIdentity; 108import android.content.pm.VerifierInfo; 109import android.content.res.Resources; 110import android.hardware.display.DisplayManager; 111import android.net.Uri; 112import android.os.Binder; 113import android.os.Build; 114import android.os.Bundle; 115import android.os.Environment; 116import android.os.Environment.UserEnvironment; 117import android.os.FileObserver; 118import android.os.FileUtils; 119import android.os.Handler; 120import android.os.IBinder; 121import android.os.Looper; 122import android.os.Message; 123import android.os.Parcel; 124import android.os.ParcelFileDescriptor; 125import android.os.Process; 126import android.os.RemoteException; 127import android.os.SELinux; 128import android.os.ServiceManager; 129import android.os.SystemClock; 130import android.os.SystemProperties; 131import android.os.UserHandle; 132import android.os.UserManager; 133import android.security.KeyStore; 134import android.security.SystemKeyStore; 135import android.system.ErrnoException; 136import android.system.Os; 137import android.system.StructStat; 138import android.text.TextUtils; 139import android.util.AtomicFile; 140import android.util.DisplayMetrics; 141import android.util.EventLog; 142import android.util.Log; 143import android.util.LogPrinter; 144import android.util.PrintStreamPrinter; 145import android.util.Slog; 146import android.util.SparseArray; 147import android.util.Xml; 148import android.view.Display; 149 150import java.io.BufferedInputStream; 151import java.io.BufferedOutputStream; 152import java.io.File; 153import java.io.FileDescriptor; 154import java.io.FileInputStream; 155import java.io.FileNotFoundException; 156import java.io.FileOutputStream; 157import java.io.FileReader; 158import java.io.FilenameFilter; 159import java.io.IOException; 160import java.io.InputStream; 161import java.io.PrintWriter; 162import java.nio.charset.StandardCharsets; 163import java.security.NoSuchAlgorithmException; 164import java.security.PublicKey; 165import java.security.cert.CertificateEncodingException; 166import java.security.cert.CertificateException; 167import java.text.SimpleDateFormat; 168import java.util.ArrayList; 169import java.util.Arrays; 170import java.util.Collection; 171import java.util.Collections; 172import java.util.Comparator; 173import java.util.Date; 174import java.util.HashMap; 175import java.util.HashSet; 176import java.util.Iterator; 177import java.util.List; 178import java.util.Map; 179import java.util.Set; 180import java.util.concurrent.atomic.AtomicBoolean; 181import java.util.concurrent.atomic.AtomicLong; 182 183import dalvik.system.DexFile; 184import dalvik.system.StaleDexCacheError; 185import dalvik.system.VMRuntime; 186 187import libcore.io.IoUtils; 188 189/** 190 * Keep track of all those .apks everywhere. 191 * 192 * This is very central to the platform's security; please run the unit 193 * tests whenever making modifications here: 194 * 195mmm frameworks/base/tests/AndroidTests 196adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 197adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 198 * 199 * {@hide} 200 */ 201public class PackageManagerService extends IPackageManager.Stub { 202 static final String TAG = "PackageManager"; 203 static final boolean DEBUG_SETTINGS = false; 204 static final boolean DEBUG_PREFERRED = false; 205 static final boolean DEBUG_UPGRADE = false; 206 private static final boolean DEBUG_INSTALL = false; 207 private static final boolean DEBUG_REMOVE = false; 208 private static final boolean DEBUG_BROADCASTS = false; 209 private static final boolean DEBUG_SHOW_INFO = false; 210 private static final boolean DEBUG_PACKAGE_INFO = false; 211 private static final boolean DEBUG_INTENT_MATCHING = false; 212 private static final boolean DEBUG_PACKAGE_SCANNING = false; 213 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 214 private static final boolean DEBUG_VERIFY = false; 215 private static final boolean DEBUG_DEXOPT = false; 216 217 private static final int RADIO_UID = Process.PHONE_UID; 218 private static final int LOG_UID = Process.LOG_UID; 219 private static final int NFC_UID = Process.NFC_UID; 220 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 221 private static final int SHELL_UID = Process.SHELL_UID; 222 223 // Cap the size of permission trees that 3rd party apps can define 224 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 225 226 private static final int REMOVE_EVENTS = 227 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 228 private static final int ADD_EVENTS = 229 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 230 231 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 232 // Suffix used during package installation when copying/moving 233 // package apks to install directory. 234 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 235 236 static final int SCAN_MONITOR = 1<<0; 237 static final int SCAN_NO_DEX = 1<<1; 238 static final int SCAN_FORCE_DEX = 1<<2; 239 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 240 static final int SCAN_NEW_INSTALL = 1<<4; 241 static final int SCAN_NO_PATHS = 1<<5; 242 static final int SCAN_UPDATE_TIME = 1<<6; 243 static final int SCAN_DEFER_DEX = 1<<7; 244 static final int SCAN_BOOTING = 1<<8; 245 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 246 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 247 248 static final int REMOVE_CHATTY = 1<<16; 249 250 /** 251 * Timeout (in milliseconds) after which the watchdog should declare that 252 * our handler thread is wedged. The usual default for such things is one 253 * minute but we sometimes do very lengthy I/O operations on this thread, 254 * such as installing multi-gigabyte applications, so ours needs to be longer. 255 */ 256 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 257 258 /** 259 * Whether verification is enabled by default. 260 */ 261 private static final boolean DEFAULT_VERIFY_ENABLE = true; 262 263 /** 264 * The default maximum time to wait for the verification agent to return in 265 * milliseconds. 266 */ 267 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 268 269 /** 270 * The default response for package verification timeout. 271 * 272 * This can be either PackageManager.VERIFICATION_ALLOW or 273 * PackageManager.VERIFICATION_REJECT. 274 */ 275 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 276 277 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 278 279 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 280 DEFAULT_CONTAINER_PACKAGE, 281 "com.android.defcontainer.DefaultContainerService"); 282 283 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 284 285 private static final String LIB_DIR_NAME = "lib"; 286 private static final String LIB64_DIR_NAME = "lib64"; 287 288 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 289 290 static final String mTempContainerPrefix = "smdl2tmp"; 291 292 private static String sPreferredInstructionSet; 293 294 final ServiceThread mHandlerThread; 295 296 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 297 private static final String IDMAP_SUFFIX = "@idmap"; 298 299 final PackageHandler mHandler; 300 301 final int mSdkVersion = Build.VERSION.SDK_INT; 302 303 final Context mContext; 304 final boolean mFactoryTest; 305 final boolean mOnlyCore; 306 final DisplayMetrics mMetrics; 307 final int mDefParseFlags; 308 final String[] mSeparateProcesses; 309 310 // This is where all application persistent data goes. 311 final File mAppDataDir; 312 313 // This is where all application persistent data goes for secondary users. 314 final File mUserAppDataDir; 315 316 /** The location for ASEC container files on internal storage. */ 317 final String mAsecInternalPath; 318 319 // This is the object monitoring the framework dir. 320 final FileObserver mFrameworkInstallObserver; 321 322 // This is the object monitoring the system app dir. 323 final FileObserver mSystemInstallObserver; 324 325 // This is the object monitoring the privileged system app dir. 326 final FileObserver mPrivilegedInstallObserver; 327 328 // This is the object monitoring the vendor app dir. 329 final FileObserver mVendorInstallObserver; 330 331 // This is the object monitoring the vendor overlay package dir. 332 final FileObserver mVendorOverlayInstallObserver; 333 334 // This is the object monitoring the OEM app dir. 335 final FileObserver mOemInstallObserver; 336 337 // This is the object monitoring mAppInstallDir. 338 final FileObserver mAppInstallObserver; 339 340 // This is the object monitoring mDrmAppPrivateInstallDir. 341 final FileObserver mDrmAppInstallObserver; 342 343 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 344 // LOCK HELD. Can be called with mInstallLock held. 345 final Installer mInstaller; 346 347 final File mAppInstallDir; 348 349 /** 350 * Directory to which applications installed internally have native 351 * libraries copied. 352 */ 353 private File mAppLibInstallDir; 354 355 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 356 // apps. 357 final File mDrmAppPrivateInstallDir; 358 359 final File mAppStagingDir; 360 361 // ---------------------------------------------------------------- 362 363 // Lock for state used when installing and doing other long running 364 // operations. Methods that must be called with this lock held have 365 // the suffix "LI". 366 final Object mInstallLock = new Object(); 367 368 // These are the directories in the 3rd party applications installed dir 369 // that we have currently loaded packages from. Keys are the application's 370 // installed zip file (absolute codePath), and values are Package. 371 final HashMap<String, PackageParser.Package> mAppDirs = 372 new HashMap<String, PackageParser.Package>(); 373 374 // Information for the parser to write more useful error messages. 375 int mLastScanError; 376 377 // ---------------------------------------------------------------- 378 379 // Keys are String (package name), values are Package. This also serves 380 // as the lock for the global state. Methods that must be called with 381 // this lock held have the prefix "LP". 382 final HashMap<String, PackageParser.Package> mPackages = 383 new HashMap<String, PackageParser.Package>(); 384 385 // Tracks available target package names -> overlay package paths. 386 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 387 new HashMap<String, HashMap<String, PackageParser.Package>>(); 388 389 final Settings mSettings; 390 boolean mRestoredSettings; 391 392 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 393 int[] mGlobalGids; 394 395 // These are the built-in uid -> permission mappings that were read from the 396 // etc/permissions.xml file. 397 final SparseArray<HashSet<String>> mSystemPermissions = 398 new SparseArray<HashSet<String>>(); 399 400 static final class SharedLibraryEntry { 401 final String path; 402 final String apk; 403 404 SharedLibraryEntry(String _path, String _apk) { 405 path = _path; 406 apk = _apk; 407 } 408 } 409 410 // These are the built-in shared libraries that were read from the 411 // etc/permissions.xml file. 412 final HashMap<String, SharedLibraryEntry> mSharedLibraries 413 = new HashMap<String, SharedLibraryEntry>(); 414 415 // Temporary for building the final shared libraries for an .apk. 416 String[] mTmpSharedLibraries = null; 417 418 // These are the features this devices supports that were read from the 419 // etc/permissions.xml file. 420 final HashMap<String, FeatureInfo> mAvailableFeatures = 421 new HashMap<String, FeatureInfo>(); 422 423 // If mac_permissions.xml was found for seinfo labeling. 424 boolean mFoundPolicyFile; 425 426 // If a recursive restorecon of /data/data/<pkg> is needed. 427 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 428 429 // All available activities, for your resolving pleasure. 430 final ActivityIntentResolver mActivities = 431 new ActivityIntentResolver(); 432 433 // All available receivers, for your resolving pleasure. 434 final ActivityIntentResolver mReceivers = 435 new ActivityIntentResolver(); 436 437 // All available services, for your resolving pleasure. 438 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 439 440 // All available providers, for your resolving pleasure. 441 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 442 443 // Mapping from provider base names (first directory in content URI codePath) 444 // to the provider information. 445 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 446 new HashMap<String, PackageParser.Provider>(); 447 448 // Mapping from instrumentation class names to info about them. 449 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 450 new HashMap<ComponentName, PackageParser.Instrumentation>(); 451 452 // Mapping from permission names to info about them. 453 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 454 new HashMap<String, PackageParser.PermissionGroup>(); 455 456 // Packages whose data we have transfered into another package, thus 457 // should no longer exist. 458 final HashSet<String> mTransferedPackages = new HashSet<String>(); 459 460 // Broadcast actions that are only available to the system. 461 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 462 463 /** List of packages waiting for verification. */ 464 final SparseArray<PackageVerificationState> mPendingVerification 465 = new SparseArray<PackageVerificationState>(); 466 467 final PackageInstallerService mInstallerService; 468 469 HashSet<PackageParser.Package> mDeferredDexOpt = null; 470 471 /** Token for keys in mPendingVerification. */ 472 private int mPendingVerificationToken = 0; 473 474 boolean mSystemReady; 475 boolean mSafeMode; 476 boolean mHasSystemUidErrors; 477 478 ApplicationInfo mAndroidApplication; 479 final ActivityInfo mResolveActivity = new ActivityInfo(); 480 final ResolveInfo mResolveInfo = new ResolveInfo(); 481 ComponentName mResolveComponentName; 482 PackageParser.Package mPlatformPackage; 483 ComponentName mCustomResolverComponentName; 484 485 boolean mResolverReplaced = false; 486 487 // Set of pending broadcasts for aggregating enable/disable of components. 488 static class PendingPackageBroadcasts { 489 // for each user id, a map of <package name -> components within that package> 490 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 491 492 public PendingPackageBroadcasts() { 493 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 494 } 495 496 public ArrayList<String> get(int userId, String packageName) { 497 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 498 return packages.get(packageName); 499 } 500 501 public void put(int userId, String packageName, ArrayList<String> components) { 502 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 503 packages.put(packageName, components); 504 } 505 506 public void remove(int userId, String packageName) { 507 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 508 if (packages != null) { 509 packages.remove(packageName); 510 } 511 } 512 513 public void remove(int userId) { 514 mUidMap.remove(userId); 515 } 516 517 public int userIdCount() { 518 return mUidMap.size(); 519 } 520 521 public int userIdAt(int n) { 522 return mUidMap.keyAt(n); 523 } 524 525 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 526 return mUidMap.get(userId); 527 } 528 529 public int size() { 530 // total number of pending broadcast entries across all userIds 531 int num = 0; 532 for (int i = 0; i< mUidMap.size(); i++) { 533 num += mUidMap.valueAt(i).size(); 534 } 535 return num; 536 } 537 538 public void clear() { 539 mUidMap.clear(); 540 } 541 542 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 543 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 544 if (map == null) { 545 map = new HashMap<String, ArrayList<String>>(); 546 mUidMap.put(userId, map); 547 } 548 return map; 549 } 550 } 551 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 552 553 // Service Connection to remote media container service to copy 554 // package uri's from external media onto secure containers 555 // or internal storage. 556 private IMediaContainerService mContainerService = null; 557 558 static final int SEND_PENDING_BROADCAST = 1; 559 static final int MCS_BOUND = 3; 560 static final int END_COPY = 4; 561 static final int INIT_COPY = 5; 562 static final int MCS_UNBIND = 6; 563 static final int START_CLEANING_PACKAGE = 7; 564 static final int FIND_INSTALL_LOC = 8; 565 static final int POST_INSTALL = 9; 566 static final int MCS_RECONNECT = 10; 567 static final int MCS_GIVE_UP = 11; 568 static final int UPDATED_MEDIA_STATUS = 12; 569 static final int WRITE_SETTINGS = 13; 570 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 571 static final int PACKAGE_VERIFIED = 15; 572 static final int CHECK_PENDING_VERIFICATION = 16; 573 574 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 575 576 // Delay time in millisecs 577 static final int BROADCAST_DELAY = 10 * 1000; 578 579 static UserManagerService sUserManager; 580 581 // Stores a list of users whose package restrictions file needs to be updated 582 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 583 584 final private DefaultContainerConnection mDefContainerConn = 585 new DefaultContainerConnection(); 586 class DefaultContainerConnection implements ServiceConnection { 587 public void onServiceConnected(ComponentName name, IBinder service) { 588 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 589 IMediaContainerService imcs = 590 IMediaContainerService.Stub.asInterface(service); 591 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 592 } 593 594 public void onServiceDisconnected(ComponentName name) { 595 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 596 } 597 }; 598 599 // Recordkeeping of restore-after-install operations that are currently in flight 600 // between the Package Manager and the Backup Manager 601 class PostInstallData { 602 public InstallArgs args; 603 public PackageInstalledInfo res; 604 605 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 606 args = _a; 607 res = _r; 608 } 609 }; 610 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 611 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 612 613 private final String mRequiredVerifierPackage; 614 615 private final PackageUsage mPackageUsage = new PackageUsage(); 616 617 private class PackageUsage { 618 private static final int WRITE_INTERVAL 619 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 620 621 private final Object mFileLock = new Object(); 622 private final AtomicLong mLastWritten = new AtomicLong(0); 623 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 624 625 private boolean mIsFirstBoot = false; 626 627 boolean isFirstBoot() { 628 return mIsFirstBoot; 629 } 630 631 void write(boolean force) { 632 if (force) { 633 writeInternal(); 634 return; 635 } 636 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 637 && !DEBUG_DEXOPT) { 638 return; 639 } 640 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 641 new Thread("PackageUsage_DiskWriter") { 642 @Override 643 public void run() { 644 try { 645 writeInternal(); 646 } finally { 647 mBackgroundWriteRunning.set(false); 648 } 649 } 650 }.start(); 651 } 652 } 653 654 private void writeInternal() { 655 synchronized (mPackages) { 656 synchronized (mFileLock) { 657 AtomicFile file = getFile(); 658 FileOutputStream f = null; 659 try { 660 f = file.startWrite(); 661 BufferedOutputStream out = new BufferedOutputStream(f); 662 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 663 StringBuilder sb = new StringBuilder(); 664 for (PackageParser.Package pkg : mPackages.values()) { 665 if (pkg.mLastPackageUsageTimeInMills == 0) { 666 continue; 667 } 668 sb.setLength(0); 669 sb.append(pkg.packageName); 670 sb.append(' '); 671 sb.append((long)pkg.mLastPackageUsageTimeInMills); 672 sb.append('\n'); 673 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 674 } 675 out.flush(); 676 file.finishWrite(f); 677 } catch (IOException e) { 678 if (f != null) { 679 file.failWrite(f); 680 } 681 Log.e(TAG, "Failed to write package usage times", e); 682 } 683 } 684 } 685 mLastWritten.set(SystemClock.elapsedRealtime()); 686 } 687 688 void readLP() { 689 synchronized (mFileLock) { 690 AtomicFile file = getFile(); 691 BufferedInputStream in = null; 692 try { 693 in = new BufferedInputStream(file.openRead()); 694 StringBuffer sb = new StringBuffer(); 695 while (true) { 696 String packageName = readToken(in, sb, ' '); 697 if (packageName == null) { 698 break; 699 } 700 String timeInMillisString = readToken(in, sb, '\n'); 701 if (timeInMillisString == null) { 702 throw new IOException("Failed to find last usage time for package " 703 + packageName); 704 } 705 PackageParser.Package pkg = mPackages.get(packageName); 706 if (pkg == null) { 707 continue; 708 } 709 long timeInMillis; 710 try { 711 timeInMillis = Long.parseLong(timeInMillisString.toString()); 712 } catch (NumberFormatException e) { 713 throw new IOException("Failed to parse " + timeInMillisString 714 + " as a long.", e); 715 } 716 pkg.mLastPackageUsageTimeInMills = timeInMillis; 717 } 718 } catch (FileNotFoundException expected) { 719 mIsFirstBoot = true; 720 } catch (IOException e) { 721 Log.w(TAG, "Failed to read package usage times", e); 722 } finally { 723 IoUtils.closeQuietly(in); 724 } 725 } 726 mLastWritten.set(SystemClock.elapsedRealtime()); 727 } 728 729 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 730 throws IOException { 731 sb.setLength(0); 732 while (true) { 733 int ch = in.read(); 734 if (ch == -1) { 735 if (sb.length() == 0) { 736 return null; 737 } 738 throw new IOException("Unexpected EOF"); 739 } 740 if (ch == endOfToken) { 741 return sb.toString(); 742 } 743 sb.append((char)ch); 744 } 745 } 746 747 private AtomicFile getFile() { 748 File dataDir = Environment.getDataDirectory(); 749 File systemDir = new File(dataDir, "system"); 750 File fname = new File(systemDir, "package-usage.list"); 751 return new AtomicFile(fname); 752 } 753 } 754 755 class PackageHandler extends Handler { 756 private boolean mBound = false; 757 final ArrayList<HandlerParams> mPendingInstalls = 758 new ArrayList<HandlerParams>(); 759 760 private boolean connectToService() { 761 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 762 " DefaultContainerService"); 763 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 764 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 765 if (mContext.bindServiceAsUser(service, mDefContainerConn, 766 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 767 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 768 mBound = true; 769 return true; 770 } 771 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 772 return false; 773 } 774 775 private void disconnectService() { 776 mContainerService = null; 777 mBound = false; 778 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 779 mContext.unbindService(mDefContainerConn); 780 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 781 } 782 783 PackageHandler(Looper looper) { 784 super(looper); 785 } 786 787 public void handleMessage(Message msg) { 788 try { 789 doHandleMessage(msg); 790 } finally { 791 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 792 } 793 } 794 795 void doHandleMessage(Message msg) { 796 switch (msg.what) { 797 case INIT_COPY: { 798 HandlerParams params = (HandlerParams) msg.obj; 799 int idx = mPendingInstalls.size(); 800 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 801 // If a bind was already initiated we dont really 802 // need to do anything. The pending install 803 // will be processed later on. 804 if (!mBound) { 805 // If this is the only one pending we might 806 // have to bind to the service again. 807 if (!connectToService()) { 808 Slog.e(TAG, "Failed to bind to media container service"); 809 params.serviceError(); 810 return; 811 } else { 812 // Once we bind to the service, the first 813 // pending request will be processed. 814 mPendingInstalls.add(idx, params); 815 } 816 } else { 817 mPendingInstalls.add(idx, params); 818 // Already bound to the service. Just make 819 // sure we trigger off processing the first request. 820 if (idx == 0) { 821 mHandler.sendEmptyMessage(MCS_BOUND); 822 } 823 } 824 break; 825 } 826 case MCS_BOUND: { 827 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 828 if (msg.obj != null) { 829 mContainerService = (IMediaContainerService) msg.obj; 830 } 831 if (mContainerService == null) { 832 // Something seriously wrong. Bail out 833 Slog.e(TAG, "Cannot bind to media container service"); 834 for (HandlerParams params : mPendingInstalls) { 835 // Indicate service bind error 836 params.serviceError(); 837 } 838 mPendingInstalls.clear(); 839 } else if (mPendingInstalls.size() > 0) { 840 HandlerParams params = mPendingInstalls.get(0); 841 if (params != null) { 842 if (params.startCopy()) { 843 // We are done... look for more work or to 844 // go idle. 845 if (DEBUG_SD_INSTALL) Log.i(TAG, 846 "Checking for more work or unbind..."); 847 // Delete pending install 848 if (mPendingInstalls.size() > 0) { 849 mPendingInstalls.remove(0); 850 } 851 if (mPendingInstalls.size() == 0) { 852 if (mBound) { 853 if (DEBUG_SD_INSTALL) Log.i(TAG, 854 "Posting delayed MCS_UNBIND"); 855 removeMessages(MCS_UNBIND); 856 Message ubmsg = obtainMessage(MCS_UNBIND); 857 // Unbind after a little delay, to avoid 858 // continual thrashing. 859 sendMessageDelayed(ubmsg, 10000); 860 } 861 } else { 862 // There are more pending requests in queue. 863 // Just post MCS_BOUND message to trigger processing 864 // of next pending install. 865 if (DEBUG_SD_INSTALL) Log.i(TAG, 866 "Posting MCS_BOUND for next work"); 867 mHandler.sendEmptyMessage(MCS_BOUND); 868 } 869 } 870 } 871 } else { 872 // Should never happen ideally. 873 Slog.w(TAG, "Empty queue"); 874 } 875 break; 876 } 877 case MCS_RECONNECT: { 878 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 879 if (mPendingInstalls.size() > 0) { 880 if (mBound) { 881 disconnectService(); 882 } 883 if (!connectToService()) { 884 Slog.e(TAG, "Failed to bind to media container service"); 885 for (HandlerParams params : mPendingInstalls) { 886 // Indicate service bind error 887 params.serviceError(); 888 } 889 mPendingInstalls.clear(); 890 } 891 } 892 break; 893 } 894 case MCS_UNBIND: { 895 // If there is no actual work left, then time to unbind. 896 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 897 898 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 899 if (mBound) { 900 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 901 902 disconnectService(); 903 } 904 } else if (mPendingInstalls.size() > 0) { 905 // There are more pending requests in queue. 906 // Just post MCS_BOUND message to trigger processing 907 // of next pending install. 908 mHandler.sendEmptyMessage(MCS_BOUND); 909 } 910 911 break; 912 } 913 case MCS_GIVE_UP: { 914 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 915 mPendingInstalls.remove(0); 916 break; 917 } 918 case SEND_PENDING_BROADCAST: { 919 String packages[]; 920 ArrayList<String> components[]; 921 int size = 0; 922 int uids[]; 923 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 924 synchronized (mPackages) { 925 if (mPendingBroadcasts == null) { 926 return; 927 } 928 size = mPendingBroadcasts.size(); 929 if (size <= 0) { 930 // Nothing to be done. Just return 931 return; 932 } 933 packages = new String[size]; 934 components = new ArrayList[size]; 935 uids = new int[size]; 936 int i = 0; // filling out the above arrays 937 938 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 939 int packageUserId = mPendingBroadcasts.userIdAt(n); 940 Iterator<Map.Entry<String, ArrayList<String>>> it 941 = mPendingBroadcasts.packagesForUserId(packageUserId) 942 .entrySet().iterator(); 943 while (it.hasNext() && i < size) { 944 Map.Entry<String, ArrayList<String>> ent = it.next(); 945 packages[i] = ent.getKey(); 946 components[i] = ent.getValue(); 947 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 948 uids[i] = (ps != null) 949 ? UserHandle.getUid(packageUserId, ps.appId) 950 : -1; 951 i++; 952 } 953 } 954 size = i; 955 mPendingBroadcasts.clear(); 956 } 957 // Send broadcasts 958 for (int i = 0; i < size; i++) { 959 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 960 } 961 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 962 break; 963 } 964 case START_CLEANING_PACKAGE: { 965 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 966 final String packageName = (String)msg.obj; 967 final int userId = msg.arg1; 968 final boolean andCode = msg.arg2 != 0; 969 synchronized (mPackages) { 970 if (userId == UserHandle.USER_ALL) { 971 int[] users = sUserManager.getUserIds(); 972 for (int user : users) { 973 mSettings.addPackageToCleanLPw( 974 new PackageCleanItem(user, packageName, andCode)); 975 } 976 } else { 977 mSettings.addPackageToCleanLPw( 978 new PackageCleanItem(userId, packageName, andCode)); 979 } 980 } 981 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 982 startCleaningPackages(); 983 } break; 984 case POST_INSTALL: { 985 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 986 PostInstallData data = mRunningInstalls.get(msg.arg1); 987 mRunningInstalls.delete(msg.arg1); 988 boolean deleteOld = false; 989 990 if (data != null) { 991 InstallArgs args = data.args; 992 PackageInstalledInfo res = data.res; 993 994 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 995 res.removedInfo.sendBroadcast(false, true, false); 996 Bundle extras = new Bundle(1); 997 extras.putInt(Intent.EXTRA_UID, res.uid); 998 // Determine the set of users who are adding this 999 // package for the first time vs. those who are seeing 1000 // an update. 1001 int[] firstUsers; 1002 int[] updateUsers = new int[0]; 1003 if (res.origUsers == null || res.origUsers.length == 0) { 1004 firstUsers = res.newUsers; 1005 } else { 1006 firstUsers = new int[0]; 1007 for (int i=0; i<res.newUsers.length; i++) { 1008 int user = res.newUsers[i]; 1009 boolean isNew = true; 1010 for (int j=0; j<res.origUsers.length; j++) { 1011 if (res.origUsers[j] == user) { 1012 isNew = false; 1013 break; 1014 } 1015 } 1016 if (isNew) { 1017 int[] newFirst = new int[firstUsers.length+1]; 1018 System.arraycopy(firstUsers, 0, newFirst, 0, 1019 firstUsers.length); 1020 newFirst[firstUsers.length] = user; 1021 firstUsers = newFirst; 1022 } else { 1023 int[] newUpdate = new int[updateUsers.length+1]; 1024 System.arraycopy(updateUsers, 0, newUpdate, 0, 1025 updateUsers.length); 1026 newUpdate[updateUsers.length] = user; 1027 updateUsers = newUpdate; 1028 } 1029 } 1030 } 1031 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1032 res.pkg.applicationInfo.packageName, 1033 extras, null, null, firstUsers); 1034 final boolean update = res.removedInfo.removedPackage != null; 1035 if (update) { 1036 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1037 } 1038 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1039 res.pkg.applicationInfo.packageName, 1040 extras, null, null, updateUsers); 1041 if (update) { 1042 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1043 res.pkg.applicationInfo.packageName, 1044 extras, null, null, updateUsers); 1045 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1046 null, null, 1047 res.pkg.applicationInfo.packageName, null, updateUsers); 1048 1049 // treat asec-hosted packages like removable media on upgrade 1050 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1051 if (DEBUG_INSTALL) { 1052 Slog.i(TAG, "upgrading pkg " + res.pkg 1053 + " is ASEC-hosted -> AVAILABLE"); 1054 } 1055 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1056 ArrayList<String> pkgList = new ArrayList<String>(1); 1057 pkgList.add(res.pkg.applicationInfo.packageName); 1058 sendResourcesChangedBroadcast(true, true, 1059 pkgList,uidArray, null); 1060 } 1061 } 1062 if (res.removedInfo.args != null) { 1063 // Remove the replaced package's older resources safely now 1064 deleteOld = true; 1065 } 1066 1067 // Log current value of "unknown sources" setting 1068 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1069 getUnknownSourcesSettings()); 1070 } 1071 // Force a gc to clear up things 1072 Runtime.getRuntime().gc(); 1073 // We delete after a gc for applications on sdcard. 1074 if (deleteOld) { 1075 synchronized (mInstallLock) { 1076 res.removedInfo.args.doPostDeleteLI(true); 1077 } 1078 } 1079 if (args.observer != null) { 1080 try { 1081 args.observer.packageInstalled(res.name, res.returnCode); 1082 } catch (RemoteException e) { 1083 Slog.i(TAG, "Observer no longer exists."); 1084 } 1085 } 1086 if (args.observer2 != null) { 1087 try { 1088 Bundle extras = extrasForInstallResult(res); 1089 args.observer2.packageInstalled(res.name, extras, res.returnCode); 1090 } catch (RemoteException e) { 1091 Slog.i(TAG, "Observer no longer exists."); 1092 } 1093 } 1094 } else { 1095 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1096 } 1097 } break; 1098 case UPDATED_MEDIA_STATUS: { 1099 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1100 boolean reportStatus = msg.arg1 == 1; 1101 boolean doGc = msg.arg2 == 1; 1102 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1103 if (doGc) { 1104 // Force a gc to clear up stale containers. 1105 Runtime.getRuntime().gc(); 1106 } 1107 if (msg.obj != null) { 1108 @SuppressWarnings("unchecked") 1109 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1110 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1111 // Unload containers 1112 unloadAllContainers(args); 1113 } 1114 if (reportStatus) { 1115 try { 1116 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1117 PackageHelper.getMountService().finishMediaUpdate(); 1118 } catch (RemoteException e) { 1119 Log.e(TAG, "MountService not running?"); 1120 } 1121 } 1122 } break; 1123 case WRITE_SETTINGS: { 1124 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1125 synchronized (mPackages) { 1126 removeMessages(WRITE_SETTINGS); 1127 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1128 mSettings.writeLPr(); 1129 mDirtyUsers.clear(); 1130 } 1131 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1132 } break; 1133 case WRITE_PACKAGE_RESTRICTIONS: { 1134 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1135 synchronized (mPackages) { 1136 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1137 for (int userId : mDirtyUsers) { 1138 mSettings.writePackageRestrictionsLPr(userId); 1139 } 1140 mDirtyUsers.clear(); 1141 } 1142 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1143 } break; 1144 case CHECK_PENDING_VERIFICATION: { 1145 final int verificationId = msg.arg1; 1146 final PackageVerificationState state = mPendingVerification.get(verificationId); 1147 1148 if ((state != null) && !state.timeoutExtended()) { 1149 final InstallArgs args = state.getInstallArgs(); 1150 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 1151 mPendingVerification.remove(verificationId); 1152 1153 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1154 1155 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1156 Slog.i(TAG, "Continuing with installation of " 1157 + args.packageURI.toString()); 1158 state.setVerifierResponse(Binder.getCallingUid(), 1159 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1160 broadcastPackageVerified(verificationId, args.packageURI, 1161 PackageManager.VERIFICATION_ALLOW, 1162 state.getInstallArgs().getUser()); 1163 try { 1164 ret = args.copyApk(mContainerService, true); 1165 } catch (RemoteException e) { 1166 Slog.e(TAG, "Could not contact the ContainerService"); 1167 } 1168 } else { 1169 broadcastPackageVerified(verificationId, args.packageURI, 1170 PackageManager.VERIFICATION_REJECT, 1171 state.getInstallArgs().getUser()); 1172 } 1173 1174 processPendingInstall(args, ret); 1175 mHandler.sendEmptyMessage(MCS_UNBIND); 1176 } 1177 break; 1178 } 1179 case PACKAGE_VERIFIED: { 1180 final int verificationId = msg.arg1; 1181 1182 final PackageVerificationState state = mPendingVerification.get(verificationId); 1183 if (state == null) { 1184 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1185 break; 1186 } 1187 1188 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1189 1190 state.setVerifierResponse(response.callerUid, response.code); 1191 1192 if (state.isVerificationComplete()) { 1193 mPendingVerification.remove(verificationId); 1194 1195 final InstallArgs args = state.getInstallArgs(); 1196 1197 int ret; 1198 if (state.isInstallAllowed()) { 1199 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1200 broadcastPackageVerified(verificationId, args.packageURI, 1201 response.code, state.getInstallArgs().getUser()); 1202 try { 1203 ret = args.copyApk(mContainerService, true); 1204 } catch (RemoteException e) { 1205 Slog.e(TAG, "Could not contact the ContainerService"); 1206 } 1207 } else { 1208 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1209 } 1210 1211 processPendingInstall(args, ret); 1212 1213 mHandler.sendEmptyMessage(MCS_UNBIND); 1214 } 1215 1216 break; 1217 } 1218 } 1219 } 1220 } 1221 1222 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1223 Bundle extras = null; 1224 switch (res.returnCode) { 1225 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1226 extras = new Bundle(); 1227 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1228 res.origPermission); 1229 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1230 res.origPackage); 1231 break; 1232 } 1233 } 1234 return extras; 1235 } 1236 1237 void scheduleWriteSettingsLocked() { 1238 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1239 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1240 } 1241 } 1242 1243 void scheduleWritePackageRestrictionsLocked(int userId) { 1244 if (!sUserManager.exists(userId)) return; 1245 mDirtyUsers.add(userId); 1246 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1247 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1248 } 1249 } 1250 1251 public static final IPackageManager main(Context context, Installer installer, 1252 boolean factoryTest, boolean onlyCore) { 1253 PackageManagerService m = new PackageManagerService(context, installer, 1254 factoryTest, onlyCore); 1255 ServiceManager.addService("package", m); 1256 return m; 1257 } 1258 1259 static String[] splitString(String str, char sep) { 1260 int count = 1; 1261 int i = 0; 1262 while ((i=str.indexOf(sep, i)) >= 0) { 1263 count++; 1264 i++; 1265 } 1266 1267 String[] res = new String[count]; 1268 i=0; 1269 count = 0; 1270 int lastI=0; 1271 while ((i=str.indexOf(sep, i)) >= 0) { 1272 res[count] = str.substring(lastI, i); 1273 count++; 1274 i++; 1275 lastI = i; 1276 } 1277 res[count] = str.substring(lastI, str.length()); 1278 return res; 1279 } 1280 1281 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1282 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1283 Context.DISPLAY_SERVICE); 1284 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1285 } 1286 1287 public PackageManagerService(Context context, Installer installer, 1288 boolean factoryTest, boolean onlyCore) { 1289 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1290 SystemClock.uptimeMillis()); 1291 1292 if (mSdkVersion <= 0) { 1293 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1294 } 1295 1296 mContext = context; 1297 mFactoryTest = factoryTest; 1298 mOnlyCore = onlyCore; 1299 mMetrics = new DisplayMetrics(); 1300 mSettings = new Settings(context); 1301 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1302 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1303 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1304 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1305 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1306 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1307 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1308 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1309 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1310 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1311 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1312 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1313 1314 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1315 if (separateProcesses != null && separateProcesses.length() > 0) { 1316 if ("*".equals(separateProcesses)) { 1317 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1318 mSeparateProcesses = null; 1319 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1320 } else { 1321 mDefParseFlags = 0; 1322 mSeparateProcesses = separateProcesses.split(","); 1323 Slog.w(TAG, "Running with debug.separate_processes: " 1324 + separateProcesses); 1325 } 1326 } else { 1327 mDefParseFlags = 0; 1328 mSeparateProcesses = null; 1329 } 1330 1331 mInstaller = installer; 1332 1333 getDefaultDisplayMetrics(context, mMetrics); 1334 1335 synchronized (mInstallLock) { 1336 // writer 1337 synchronized (mPackages) { 1338 mHandlerThread = new ServiceThread(TAG, 1339 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1340 mHandlerThread.start(); 1341 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1342 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1343 1344 File dataDir = Environment.getDataDirectory(); 1345 mAppDataDir = new File(dataDir, "data"); 1346 mAppInstallDir = new File(dataDir, "app"); 1347 mAppLibInstallDir = new File(dataDir, "app-lib"); 1348 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1349 mUserAppDataDir = new File(dataDir, "user"); 1350 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1351 mAppStagingDir = new File(dataDir, "app-staging"); 1352 1353 sUserManager = new UserManagerService(context, this, 1354 mInstallLock, mPackages); 1355 1356 // Read permissions and features from system 1357 readPermissions(Environment.buildPath( 1358 Environment.getRootDirectory(), "etc", "permissions"), false); 1359 // Only read features from OEM 1360 readPermissions(Environment.buildPath( 1361 Environment.getOemDirectory(), "etc", "permissions"), true); 1362 1363 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1364 1365 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1366 mSdkVersion, mOnlyCore); 1367 1368 String customResolverActivity = Resources.getSystem().getString( 1369 R.string.config_customResolverActivity); 1370 if (TextUtils.isEmpty(customResolverActivity)) { 1371 customResolverActivity = null; 1372 } else { 1373 mCustomResolverComponentName = ComponentName.unflattenFromString( 1374 customResolverActivity); 1375 } 1376 1377 long startTime = SystemClock.uptimeMillis(); 1378 1379 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1380 startTime); 1381 1382 // Set flag to monitor and not change apk file paths when 1383 // scanning install directories. 1384 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1385 1386 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1387 1388 /** 1389 * Add everything in the in the boot class path to the 1390 * list of process files because dexopt will have been run 1391 * if necessary during zygote startup. 1392 */ 1393 String bootClassPath = System.getProperty("java.boot.class.path"); 1394 if (bootClassPath != null) { 1395 String[] paths = splitString(bootClassPath, ':'); 1396 for (int i=0; i<paths.length; i++) { 1397 alreadyDexOpted.add(paths[i]); 1398 } 1399 } else { 1400 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1401 } 1402 1403 boolean didDexOptLibraryOrTool = false; 1404 1405 final List<String> instructionSets = getAllInstructionSets(); 1406 1407 /** 1408 * Ensure all external libraries have had dexopt run on them. 1409 */ 1410 if (mSharedLibraries.size() > 0) { 1411 // NOTE: For now, we're compiling these system "shared libraries" 1412 // (and framework jars) into all available architectures. It's possible 1413 // to compile them only when we come across an app that uses them (there's 1414 // already logic for that in scanPackageLI) but that adds some complexity. 1415 for (String instructionSet : instructionSets) { 1416 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1417 final String lib = libEntry.path; 1418 if (lib == null) { 1419 continue; 1420 } 1421 1422 try { 1423 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1424 alreadyDexOpted.add(lib); 1425 1426 // The list of "shared libraries" we have at this point is 1427 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1428 didDexOptLibraryOrTool = true; 1429 } 1430 } catch (FileNotFoundException e) { 1431 Slog.w(TAG, "Library not found: " + lib); 1432 } catch (IOException e) { 1433 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1434 + e.getMessage()); 1435 } 1436 } 1437 } 1438 } 1439 1440 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1441 1442 // Gross hack for now: we know this file doesn't contain any 1443 // code, so don't dexopt it to avoid the resulting log spew. 1444 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1445 1446 // Gross hack for now: we know this file is only part of 1447 // the boot class path for art, so don't dexopt it to 1448 // avoid the resulting log spew. 1449 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1450 1451 /** 1452 * And there are a number of commands implemented in Java, which 1453 * we currently need to do the dexopt on so that they can be 1454 * run from a non-root shell. 1455 */ 1456 String[] frameworkFiles = frameworkDir.list(); 1457 if (frameworkFiles != null) { 1458 // TODO: We could compile these only for the most preferred ABI. We should 1459 // first double check that the dex files for these commands are not referenced 1460 // by other system apps. 1461 for (String instructionSet : instructionSets) { 1462 for (int i=0; i<frameworkFiles.length; i++) { 1463 File libPath = new File(frameworkDir, frameworkFiles[i]); 1464 String path = libPath.getPath(); 1465 // Skip the file if we already did it. 1466 if (alreadyDexOpted.contains(path)) { 1467 continue; 1468 } 1469 // Skip the file if it is not a type we want to dexopt. 1470 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1471 continue; 1472 } 1473 try { 1474 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1475 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1476 didDexOptLibraryOrTool = true; 1477 } 1478 } catch (FileNotFoundException e) { 1479 Slog.w(TAG, "Jar not found: " + path); 1480 } catch (IOException e) { 1481 Slog.w(TAG, "Exception reading jar: " + path, e); 1482 } 1483 } 1484 } 1485 } 1486 1487 if (didDexOptLibraryOrTool) { 1488 pruneDexFiles(new File(dataDir, "dalvik-cache")); 1489 } 1490 1491 // Collect vendor overlay packages. 1492 // (Do this before scanning any apps.) 1493 // For security and version matching reason, only consider 1494 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1495 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1496 mVendorOverlayInstallObserver = new AppDirObserver( 1497 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1498 mVendorOverlayInstallObserver.startWatching(); 1499 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1500 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1501 1502 // Find base frameworks (resource packages without code). 1503 mFrameworkInstallObserver = new AppDirObserver( 1504 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1505 mFrameworkInstallObserver.startWatching(); 1506 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1507 | PackageParser.PARSE_IS_SYSTEM_DIR 1508 | PackageParser.PARSE_IS_PRIVILEGED, 1509 scanMode | SCAN_NO_DEX, 0); 1510 1511 // Collected privileged system packages. 1512 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1513 mPrivilegedInstallObserver = new AppDirObserver( 1514 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1515 mPrivilegedInstallObserver.startWatching(); 1516 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1517 | PackageParser.PARSE_IS_SYSTEM_DIR 1518 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1519 1520 // Collect ordinary system packages. 1521 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1522 mSystemInstallObserver = new AppDirObserver( 1523 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1524 mSystemInstallObserver.startWatching(); 1525 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1526 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1527 1528 // Collect all vendor packages. 1529 File vendorAppDir = new File("/vendor/app"); 1530 try { 1531 vendorAppDir = vendorAppDir.getCanonicalFile(); 1532 } catch (IOException e) { 1533 // failed to look up canonical path, continue with original one 1534 } 1535 mVendorInstallObserver = new AppDirObserver( 1536 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1537 mVendorInstallObserver.startWatching(); 1538 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1539 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1540 1541 // Collect all OEM packages. 1542 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1543 mOemInstallObserver = new AppDirObserver( 1544 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1545 mOemInstallObserver.startWatching(); 1546 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1547 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1548 1549 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1550 mInstaller.moveFiles(); 1551 1552 // Prune any system packages that no longer exist. 1553 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1554 if (!mOnlyCore) { 1555 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1556 while (psit.hasNext()) { 1557 PackageSetting ps = psit.next(); 1558 1559 /* 1560 * If this is not a system app, it can't be a 1561 * disable system app. 1562 */ 1563 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1564 continue; 1565 } 1566 1567 /* 1568 * If the package is scanned, it's not erased. 1569 */ 1570 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1571 if (scannedPkg != null) { 1572 /* 1573 * If the system app is both scanned and in the 1574 * disabled packages list, then it must have been 1575 * added via OTA. Remove it from the currently 1576 * scanned package so the previously user-installed 1577 * application can be scanned. 1578 */ 1579 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1580 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1581 + "; removing system app"); 1582 removePackageLI(ps, true); 1583 } 1584 1585 continue; 1586 } 1587 1588 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1589 psit.remove(); 1590 String msg = "System package " + ps.name 1591 + " no longer exists; wiping its data"; 1592 reportSettingsProblem(Log.WARN, msg); 1593 removeDataDirsLI(ps.name); 1594 } else { 1595 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1596 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1597 possiblyDeletedUpdatedSystemApps.add(ps.name); 1598 } 1599 } 1600 } 1601 } 1602 1603 //look for any incomplete package installations 1604 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1605 //clean up list 1606 for(int i = 0; i < deletePkgsList.size(); i++) { 1607 //clean up here 1608 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1609 } 1610 //delete tmp files 1611 deleteTempPackageFiles(); 1612 1613 // Remove any shared userIDs that have no associated packages 1614 mSettings.pruneSharedUsersLPw(); 1615 1616 if (!mOnlyCore) { 1617 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1618 SystemClock.uptimeMillis()); 1619 mAppInstallObserver = new AppDirObserver( 1620 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1621 mAppInstallObserver.startWatching(); 1622 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1623 1624 mDrmAppInstallObserver = new AppDirObserver( 1625 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1626 mDrmAppInstallObserver.startWatching(); 1627 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1628 scanMode, 0); 1629 1630 /** 1631 * Remove disable package settings for any updated system 1632 * apps that were removed via an OTA. If they're not a 1633 * previously-updated app, remove them completely. 1634 * Otherwise, just revoke their system-level permissions. 1635 */ 1636 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1637 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1638 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1639 1640 String msg; 1641 if (deletedPkg == null) { 1642 msg = "Updated system package " + deletedAppName 1643 + " no longer exists; wiping its data"; 1644 removeDataDirsLI(deletedAppName); 1645 } else { 1646 msg = "Updated system app + " + deletedAppName 1647 + " no longer present; removing system privileges for " 1648 + deletedAppName; 1649 1650 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1651 1652 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1653 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1654 } 1655 reportSettingsProblem(Log.WARN, msg); 1656 } 1657 } else { 1658 mAppInstallObserver = null; 1659 mDrmAppInstallObserver = null; 1660 } 1661 1662 // Now that we know all of the shared libraries, update all clients to have 1663 // the correct library paths. 1664 updateAllSharedLibrariesLPw(); 1665 1666 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1667 // NOTE: We ignore potential failures here during a system scan (like 1668 // the rest of the commands above) because there's precious little we 1669 // can do about it. A settings error is reported, though. 1670 adjustCpuAbisForSharedUserLPw(setting.packages, null, 1671 false /* force dexopt */, false /* defer dexopt */); 1672 } 1673 1674 // Now that we know all the packages we are keeping, 1675 // read and update their last usage times. 1676 mPackageUsage.readLP(); 1677 1678 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1679 SystemClock.uptimeMillis()); 1680 Slog.i(TAG, "Time to scan packages: " 1681 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1682 + " seconds"); 1683 1684 // If the platform SDK has changed since the last time we booted, 1685 // we need to re-grant app permission to catch any new ones that 1686 // appear. This is really a hack, and means that apps can in some 1687 // cases get permissions that the user didn't initially explicitly 1688 // allow... it would be nice to have some better way to handle 1689 // this situation. 1690 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1691 != mSdkVersion; 1692 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1693 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1694 + "; regranting permissions for internal storage"); 1695 mSettings.mInternalSdkPlatform = mSdkVersion; 1696 1697 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1698 | (regrantPermissions 1699 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1700 : 0)); 1701 1702 // If this is the first boot, and it is a normal boot, then 1703 // we need to initialize the default preferred apps. 1704 if (!mRestoredSettings && !onlyCore) { 1705 mSettings.readDefaultPreferredAppsLPw(this, 0); 1706 } 1707 1708 // All the changes are done during package scanning. 1709 mSettings.updateInternalDatabaseVersion(); 1710 1711 // can downgrade to reader 1712 mSettings.writeLPr(); 1713 1714 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1715 SystemClock.uptimeMillis()); 1716 1717 1718 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1719 } // synchronized (mPackages) 1720 } // synchronized (mInstallLock) 1721 1722 mInstallerService = new PackageInstallerService(context, this, mAppStagingDir); 1723 1724 // Now after opening every single application zip, make sure they 1725 // are all flushed. Not really needed, but keeps things nice and 1726 // tidy. 1727 Runtime.getRuntime().gc(); 1728 } 1729 1730 private static void pruneDexFiles(File cacheDir) { 1731 // If we had to do a dexopt of one of the previous 1732 // things, then something on the system has changed. 1733 // Consider this significant, and wipe away all other 1734 // existing dexopt files to ensure we don't leave any 1735 // dangling around. 1736 // 1737 // Additionally, delete all dex files from the root directory 1738 // since there shouldn't be any there anyway. 1739 // 1740 // Note: This isn't as good an indicator as it used to be. It 1741 // used to include the boot classpath but at some point 1742 // DexFile.isDexOptNeeded started returning false for the boot 1743 // class path files in all cases. It is very possible in a 1744 // small maintenance release update that the library and tool 1745 // jars may be unchanged but APK could be removed resulting in 1746 // unused dalvik-cache files. 1747 File[] files = cacheDir.listFiles(); 1748 if (files != null) { 1749 for (File file : files) { 1750 if (!file.isDirectory()) { 1751 Slog.i(TAG, "Pruning dalvik file: " + file.getAbsolutePath()); 1752 file.delete(); 1753 } else { 1754 File[] subDirList = file.listFiles(); 1755 if (subDirList != null) { 1756 for (File subDirFile : subDirList) { 1757 final String fn = subDirFile.getName(); 1758 if (fn.startsWith("data@app@") || fn.startsWith("data@app-private@")) { 1759 Slog.i(TAG, "Pruning dalvik file: " + fn); 1760 subDirFile.delete(); 1761 } 1762 } 1763 } 1764 } 1765 } 1766 } 1767 } 1768 1769 @Override 1770 public boolean isFirstBoot() { 1771 return !mRestoredSettings || mPackageUsage.isFirstBoot(); 1772 } 1773 1774 @Override 1775 public boolean isOnlyCoreApps() { 1776 return mOnlyCore; 1777 } 1778 1779 private String getRequiredVerifierLPr() { 1780 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1781 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1782 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1783 1784 String requiredVerifier = null; 1785 1786 final int N = receivers.size(); 1787 for (int i = 0; i < N; i++) { 1788 final ResolveInfo info = receivers.get(i); 1789 1790 if (info.activityInfo == null) { 1791 continue; 1792 } 1793 1794 final String packageName = info.activityInfo.packageName; 1795 1796 final PackageSetting ps = mSettings.mPackages.get(packageName); 1797 if (ps == null) { 1798 continue; 1799 } 1800 1801 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1802 if (!gp.grantedPermissions 1803 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1804 continue; 1805 } 1806 1807 if (requiredVerifier != null) { 1808 throw new RuntimeException("There can be only one required verifier"); 1809 } 1810 1811 requiredVerifier = packageName; 1812 } 1813 1814 return requiredVerifier; 1815 } 1816 1817 @Override 1818 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1819 throws RemoteException { 1820 try { 1821 return super.onTransact(code, data, reply, flags); 1822 } catch (RuntimeException e) { 1823 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1824 Slog.wtf(TAG, "Package Manager Crash", e); 1825 } 1826 throw e; 1827 } 1828 } 1829 1830 void cleanupInstallFailedPackage(PackageSetting ps) { 1831 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1832 removeDataDirsLI(ps.name); 1833 if (ps.codePath != null) { 1834 if (!ps.codePath.delete()) { 1835 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1836 } 1837 } 1838 if (ps.resourcePath != null) { 1839 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1840 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1841 } 1842 } 1843 mSettings.removePackageLPw(ps.name); 1844 } 1845 1846 void readPermissions(File libraryDir, boolean onlyFeatures) { 1847 // Read permissions from .../etc/permission directory. 1848 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1849 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1850 return; 1851 } 1852 if (!libraryDir.canRead()) { 1853 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1854 return; 1855 } 1856 1857 // Iterate over the files in the directory and scan .xml files 1858 for (File f : libraryDir.listFiles()) { 1859 // We'll read platform.xml last 1860 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1861 continue; 1862 } 1863 1864 if (!f.getPath().endsWith(".xml")) { 1865 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1866 continue; 1867 } 1868 if (!f.canRead()) { 1869 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1870 continue; 1871 } 1872 1873 readPermissionsFromXml(f, onlyFeatures); 1874 } 1875 1876 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1877 final File permFile = new File(Environment.getRootDirectory(), 1878 "etc/permissions/platform.xml"); 1879 readPermissionsFromXml(permFile, onlyFeatures); 1880 } 1881 1882 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1883 FileReader permReader = null; 1884 try { 1885 permReader = new FileReader(permFile); 1886 } catch (FileNotFoundException e) { 1887 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1888 return; 1889 } 1890 1891 try { 1892 XmlPullParser parser = Xml.newPullParser(); 1893 parser.setInput(permReader); 1894 1895 XmlUtils.beginDocument(parser, "permissions"); 1896 1897 while (true) { 1898 XmlUtils.nextElement(parser); 1899 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1900 break; 1901 } 1902 1903 String name = parser.getName(); 1904 if ("group".equals(name) && !onlyFeatures) { 1905 String gidStr = parser.getAttributeValue(null, "gid"); 1906 if (gidStr != null) { 1907 int gid = Process.getGidForName(gidStr); 1908 mGlobalGids = appendInt(mGlobalGids, gid); 1909 } else { 1910 Slog.w(TAG, "<group> without gid at " 1911 + parser.getPositionDescription()); 1912 } 1913 1914 XmlUtils.skipCurrentTag(parser); 1915 continue; 1916 } else if ("permission".equals(name) && !onlyFeatures) { 1917 String perm = parser.getAttributeValue(null, "name"); 1918 if (perm == null) { 1919 Slog.w(TAG, "<permission> without name at " 1920 + parser.getPositionDescription()); 1921 XmlUtils.skipCurrentTag(parser); 1922 continue; 1923 } 1924 perm = perm.intern(); 1925 readPermission(parser, perm); 1926 1927 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1928 String perm = parser.getAttributeValue(null, "name"); 1929 if (perm == null) { 1930 Slog.w(TAG, "<assign-permission> without name at " 1931 + parser.getPositionDescription()); 1932 XmlUtils.skipCurrentTag(parser); 1933 continue; 1934 } 1935 String uidStr = parser.getAttributeValue(null, "uid"); 1936 if (uidStr == null) { 1937 Slog.w(TAG, "<assign-permission> without uid at " 1938 + parser.getPositionDescription()); 1939 XmlUtils.skipCurrentTag(parser); 1940 continue; 1941 } 1942 int uid = Process.getUidForName(uidStr); 1943 if (uid < 0) { 1944 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1945 + uidStr + "\" at " 1946 + parser.getPositionDescription()); 1947 XmlUtils.skipCurrentTag(parser); 1948 continue; 1949 } 1950 perm = perm.intern(); 1951 HashSet<String> perms = mSystemPermissions.get(uid); 1952 if (perms == null) { 1953 perms = new HashSet<String>(); 1954 mSystemPermissions.put(uid, perms); 1955 } 1956 perms.add(perm); 1957 XmlUtils.skipCurrentTag(parser); 1958 1959 } else if ("library".equals(name) && !onlyFeatures) { 1960 String lname = parser.getAttributeValue(null, "name"); 1961 String lfile = parser.getAttributeValue(null, "file"); 1962 if (lname == null) { 1963 Slog.w(TAG, "<library> without name at " 1964 + parser.getPositionDescription()); 1965 } else if (lfile == null) { 1966 Slog.w(TAG, "<library> without file at " 1967 + parser.getPositionDescription()); 1968 } else { 1969 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1970 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1971 } 1972 XmlUtils.skipCurrentTag(parser); 1973 continue; 1974 1975 } else if ("feature".equals(name)) { 1976 String fname = parser.getAttributeValue(null, "name"); 1977 if (fname == null) { 1978 Slog.w(TAG, "<feature> without name at " 1979 + parser.getPositionDescription()); 1980 } else { 1981 //Log.i(TAG, "Got feature " + fname); 1982 FeatureInfo fi = new FeatureInfo(); 1983 fi.name = fname; 1984 mAvailableFeatures.put(fname, fi); 1985 } 1986 XmlUtils.skipCurrentTag(parser); 1987 continue; 1988 1989 } else { 1990 XmlUtils.skipCurrentTag(parser); 1991 continue; 1992 } 1993 1994 } 1995 permReader.close(); 1996 } catch (XmlPullParserException e) { 1997 Slog.w(TAG, "Got execption parsing permissions.", e); 1998 } catch (IOException e) { 1999 Slog.w(TAG, "Got execption parsing permissions.", e); 2000 } 2001 } 2002 2003 void readPermission(XmlPullParser parser, String name) 2004 throws IOException, XmlPullParserException { 2005 2006 name = name.intern(); 2007 2008 BasePermission bp = mSettings.mPermissions.get(name); 2009 if (bp == null) { 2010 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 2011 mSettings.mPermissions.put(name, bp); 2012 } 2013 int outerDepth = parser.getDepth(); 2014 int type; 2015 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2016 && (type != XmlPullParser.END_TAG 2017 || parser.getDepth() > outerDepth)) { 2018 if (type == XmlPullParser.END_TAG 2019 || type == XmlPullParser.TEXT) { 2020 continue; 2021 } 2022 2023 String tagName = parser.getName(); 2024 if ("group".equals(tagName)) { 2025 String gidStr = parser.getAttributeValue(null, "gid"); 2026 if (gidStr != null) { 2027 int gid = Process.getGidForName(gidStr); 2028 bp.gids = appendInt(bp.gids, gid); 2029 } else { 2030 Slog.w(TAG, "<group> without gid at " 2031 + parser.getPositionDescription()); 2032 } 2033 } 2034 XmlUtils.skipCurrentTag(parser); 2035 } 2036 } 2037 2038 static int[] appendInts(int[] cur, int[] add) { 2039 if (add == null) return cur; 2040 if (cur == null) return add; 2041 final int N = add.length; 2042 for (int i=0; i<N; i++) { 2043 cur = appendInt(cur, add[i]); 2044 } 2045 return cur; 2046 } 2047 2048 static int[] removeInts(int[] cur, int[] rem) { 2049 if (rem == null) return cur; 2050 if (cur == null) return cur; 2051 final int N = rem.length; 2052 for (int i=0; i<N; i++) { 2053 cur = removeInt(cur, rem[i]); 2054 } 2055 return cur; 2056 } 2057 2058 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2059 if (!sUserManager.exists(userId)) return null; 2060 final PackageSetting ps = (PackageSetting) p.mExtras; 2061 if (ps == null) { 2062 return null; 2063 } 2064 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2065 final PackageUserState state = ps.readUserState(userId); 2066 return PackageParser.generatePackageInfo(p, gp.gids, flags, 2067 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 2068 state, userId); 2069 } 2070 2071 @Override 2072 public boolean isPackageAvailable(String packageName, int userId) { 2073 if (!sUserManager.exists(userId)) return false; 2074 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 2075 synchronized (mPackages) { 2076 PackageParser.Package p = mPackages.get(packageName); 2077 if (p != null) { 2078 final PackageSetting ps = (PackageSetting) p.mExtras; 2079 if (ps != null) { 2080 final PackageUserState state = ps.readUserState(userId); 2081 if (state != null) { 2082 return PackageParser.isAvailable(state); 2083 } 2084 } 2085 } 2086 } 2087 return false; 2088 } 2089 2090 @Override 2091 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2092 if (!sUserManager.exists(userId)) return null; 2093 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 2094 // reader 2095 synchronized (mPackages) { 2096 PackageParser.Package p = mPackages.get(packageName); 2097 if (DEBUG_PACKAGE_INFO) 2098 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2099 if (p != null) { 2100 return generatePackageInfo(p, flags, userId); 2101 } 2102 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2103 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2104 } 2105 } 2106 return null; 2107 } 2108 2109 @Override 2110 public String[] currentToCanonicalPackageNames(String[] names) { 2111 String[] out = new String[names.length]; 2112 // reader 2113 synchronized (mPackages) { 2114 for (int i=names.length-1; i>=0; i--) { 2115 PackageSetting ps = mSettings.mPackages.get(names[i]); 2116 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2117 } 2118 } 2119 return out; 2120 } 2121 2122 @Override 2123 public String[] canonicalToCurrentPackageNames(String[] names) { 2124 String[] out = new String[names.length]; 2125 // reader 2126 synchronized (mPackages) { 2127 for (int i=names.length-1; i>=0; i--) { 2128 String cur = mSettings.mRenamedPackages.get(names[i]); 2129 out[i] = cur != null ? cur : names[i]; 2130 } 2131 } 2132 return out; 2133 } 2134 2135 @Override 2136 public int getPackageUid(String packageName, int userId) { 2137 if (!sUserManager.exists(userId)) return -1; 2138 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2139 // reader 2140 synchronized (mPackages) { 2141 PackageParser.Package p = mPackages.get(packageName); 2142 if(p != null) { 2143 return UserHandle.getUid(userId, p.applicationInfo.uid); 2144 } 2145 PackageSetting ps = mSettings.mPackages.get(packageName); 2146 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2147 return -1; 2148 } 2149 p = ps.pkg; 2150 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2151 } 2152 } 2153 2154 @Override 2155 public int[] getPackageGids(String packageName) { 2156 // reader 2157 synchronized (mPackages) { 2158 PackageParser.Package p = mPackages.get(packageName); 2159 if (DEBUG_PACKAGE_INFO) 2160 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2161 if (p != null) { 2162 final PackageSetting ps = (PackageSetting)p.mExtras; 2163 return ps.getGids(); 2164 } 2165 } 2166 // stupid thing to indicate an error. 2167 return new int[0]; 2168 } 2169 2170 static final PermissionInfo generatePermissionInfo( 2171 BasePermission bp, int flags) { 2172 if (bp.perm != null) { 2173 return PackageParser.generatePermissionInfo(bp.perm, flags); 2174 } 2175 PermissionInfo pi = new PermissionInfo(); 2176 pi.name = bp.name; 2177 pi.packageName = bp.sourcePackage; 2178 pi.nonLocalizedLabel = bp.name; 2179 pi.protectionLevel = bp.protectionLevel; 2180 return pi; 2181 } 2182 2183 @Override 2184 public PermissionInfo getPermissionInfo(String name, int flags) { 2185 // reader 2186 synchronized (mPackages) { 2187 final BasePermission p = mSettings.mPermissions.get(name); 2188 if (p != null) { 2189 return generatePermissionInfo(p, flags); 2190 } 2191 return null; 2192 } 2193 } 2194 2195 @Override 2196 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2197 // reader 2198 synchronized (mPackages) { 2199 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2200 for (BasePermission p : mSettings.mPermissions.values()) { 2201 if (group == null) { 2202 if (p.perm == null || p.perm.info.group == null) { 2203 out.add(generatePermissionInfo(p, flags)); 2204 } 2205 } else { 2206 if (p.perm != null && group.equals(p.perm.info.group)) { 2207 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2208 } 2209 } 2210 } 2211 2212 if (out.size() > 0) { 2213 return out; 2214 } 2215 return mPermissionGroups.containsKey(group) ? out : null; 2216 } 2217 } 2218 2219 @Override 2220 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2221 // reader 2222 synchronized (mPackages) { 2223 return PackageParser.generatePermissionGroupInfo( 2224 mPermissionGroups.get(name), flags); 2225 } 2226 } 2227 2228 @Override 2229 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2230 // reader 2231 synchronized (mPackages) { 2232 final int N = mPermissionGroups.size(); 2233 ArrayList<PermissionGroupInfo> out 2234 = new ArrayList<PermissionGroupInfo>(N); 2235 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2236 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2237 } 2238 return out; 2239 } 2240 } 2241 2242 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2243 int userId) { 2244 if (!sUserManager.exists(userId)) return null; 2245 PackageSetting ps = mSettings.mPackages.get(packageName); 2246 if (ps != null) { 2247 if (ps.pkg == null) { 2248 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2249 flags, userId); 2250 if (pInfo != null) { 2251 return pInfo.applicationInfo; 2252 } 2253 return null; 2254 } 2255 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2256 ps.readUserState(userId), userId); 2257 } 2258 return null; 2259 } 2260 2261 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2262 int userId) { 2263 if (!sUserManager.exists(userId)) return null; 2264 PackageSetting ps = mSettings.mPackages.get(packageName); 2265 if (ps != null) { 2266 PackageParser.Package pkg = ps.pkg; 2267 if (pkg == null) { 2268 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2269 return null; 2270 } 2271 // TODO: teach about reading split name 2272 pkg = new PackageParser.Package(packageName, null); 2273 pkg.applicationInfo.packageName = packageName; 2274 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2275 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2276 pkg.applicationInfo.sourceDir = ps.codePathString; 2277 pkg.applicationInfo.dataDir = 2278 getDataPathForPackage(packageName, 0).getPath(); 2279 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2280 pkg.applicationInfo.cpuAbi = ps.cpuAbiString; 2281 } 2282 return generatePackageInfo(pkg, flags, userId); 2283 } 2284 return null; 2285 } 2286 2287 @Override 2288 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2289 if (!sUserManager.exists(userId)) return null; 2290 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2291 // writer 2292 synchronized (mPackages) { 2293 PackageParser.Package p = mPackages.get(packageName); 2294 if (DEBUG_PACKAGE_INFO) Log.v( 2295 TAG, "getApplicationInfo " + packageName 2296 + ": " + p); 2297 if (p != null) { 2298 PackageSetting ps = mSettings.mPackages.get(packageName); 2299 if (ps == null) return null; 2300 // Note: isEnabledLP() does not apply here - always return info 2301 return PackageParser.generateApplicationInfo( 2302 p, flags, ps.readUserState(userId), userId); 2303 } 2304 if ("android".equals(packageName)||"system".equals(packageName)) { 2305 return mAndroidApplication; 2306 } 2307 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2308 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2309 } 2310 } 2311 return null; 2312 } 2313 2314 2315 @Override 2316 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2317 mContext.enforceCallingOrSelfPermission( 2318 android.Manifest.permission.CLEAR_APP_CACHE, null); 2319 // Queue up an async operation since clearing cache may take a little while. 2320 mHandler.post(new Runnable() { 2321 public void run() { 2322 mHandler.removeCallbacks(this); 2323 int retCode = -1; 2324 synchronized (mInstallLock) { 2325 retCode = mInstaller.freeCache(freeStorageSize); 2326 if (retCode < 0) { 2327 Slog.w(TAG, "Couldn't clear application caches"); 2328 } 2329 } 2330 if (observer != null) { 2331 try { 2332 observer.onRemoveCompleted(null, (retCode >= 0)); 2333 } catch (RemoteException e) { 2334 Slog.w(TAG, "RemoveException when invoking call back"); 2335 } 2336 } 2337 } 2338 }); 2339 } 2340 2341 @Override 2342 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2343 mContext.enforceCallingOrSelfPermission( 2344 android.Manifest.permission.CLEAR_APP_CACHE, null); 2345 // Queue up an async operation since clearing cache may take a little while. 2346 mHandler.post(new Runnable() { 2347 public void run() { 2348 mHandler.removeCallbacks(this); 2349 int retCode = -1; 2350 synchronized (mInstallLock) { 2351 retCode = mInstaller.freeCache(freeStorageSize); 2352 if (retCode < 0) { 2353 Slog.w(TAG, "Couldn't clear application caches"); 2354 } 2355 } 2356 if(pi != null) { 2357 try { 2358 // Callback via pending intent 2359 int code = (retCode >= 0) ? 1 : 0; 2360 pi.sendIntent(null, code, null, 2361 null, null); 2362 } catch (SendIntentException e1) { 2363 Slog.i(TAG, "Failed to send pending intent"); 2364 } 2365 } 2366 } 2367 }); 2368 } 2369 2370 void freeStorage(long freeStorageSize) throws IOException { 2371 synchronized (mInstallLock) { 2372 if (mInstaller.freeCache(freeStorageSize) < 0) { 2373 throw new IOException("Failed to free enough space"); 2374 } 2375 } 2376 } 2377 2378 @Override 2379 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2380 if (!sUserManager.exists(userId)) return null; 2381 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2382 synchronized (mPackages) { 2383 PackageParser.Activity a = mActivities.mActivities.get(component); 2384 2385 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2386 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2387 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2388 if (ps == null) return null; 2389 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2390 userId); 2391 } 2392 if (mResolveComponentName.equals(component)) { 2393 return mResolveActivity; 2394 } 2395 } 2396 return null; 2397 } 2398 2399 @Override 2400 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2401 String resolvedType) { 2402 synchronized (mPackages) { 2403 PackageParser.Activity a = mActivities.mActivities.get(component); 2404 if (a == null) { 2405 return false; 2406 } 2407 for (int i=0; i<a.intents.size(); i++) { 2408 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2409 intent.getData(), intent.getCategories(), TAG) >= 0) { 2410 return true; 2411 } 2412 } 2413 return false; 2414 } 2415 } 2416 2417 @Override 2418 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2419 if (!sUserManager.exists(userId)) return null; 2420 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2421 synchronized (mPackages) { 2422 PackageParser.Activity a = mReceivers.mActivities.get(component); 2423 if (DEBUG_PACKAGE_INFO) Log.v( 2424 TAG, "getReceiverInfo " + component + ": " + a); 2425 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2426 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2427 if (ps == null) return null; 2428 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2429 userId); 2430 } 2431 } 2432 return null; 2433 } 2434 2435 @Override 2436 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2437 if (!sUserManager.exists(userId)) return null; 2438 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2439 synchronized (mPackages) { 2440 PackageParser.Service s = mServices.mServices.get(component); 2441 if (DEBUG_PACKAGE_INFO) Log.v( 2442 TAG, "getServiceInfo " + component + ": " + s); 2443 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2444 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2445 if (ps == null) return null; 2446 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2447 userId); 2448 } 2449 } 2450 return null; 2451 } 2452 2453 @Override 2454 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2455 if (!sUserManager.exists(userId)) return null; 2456 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2457 synchronized (mPackages) { 2458 PackageParser.Provider p = mProviders.mProviders.get(component); 2459 if (DEBUG_PACKAGE_INFO) Log.v( 2460 TAG, "getProviderInfo " + component + ": " + p); 2461 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2462 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2463 if (ps == null) return null; 2464 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2465 userId); 2466 } 2467 } 2468 return null; 2469 } 2470 2471 @Override 2472 public String[] getSystemSharedLibraryNames() { 2473 Set<String> libSet; 2474 synchronized (mPackages) { 2475 libSet = mSharedLibraries.keySet(); 2476 int size = libSet.size(); 2477 if (size > 0) { 2478 String[] libs = new String[size]; 2479 libSet.toArray(libs); 2480 return libs; 2481 } 2482 } 2483 return null; 2484 } 2485 2486 @Override 2487 public FeatureInfo[] getSystemAvailableFeatures() { 2488 Collection<FeatureInfo> featSet; 2489 synchronized (mPackages) { 2490 featSet = mAvailableFeatures.values(); 2491 int size = featSet.size(); 2492 if (size > 0) { 2493 FeatureInfo[] features = new FeatureInfo[size+1]; 2494 featSet.toArray(features); 2495 FeatureInfo fi = new FeatureInfo(); 2496 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2497 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2498 features[size] = fi; 2499 return features; 2500 } 2501 } 2502 return null; 2503 } 2504 2505 @Override 2506 public boolean hasSystemFeature(String name) { 2507 synchronized (mPackages) { 2508 return mAvailableFeatures.containsKey(name); 2509 } 2510 } 2511 2512 private void checkValidCaller(int uid, int userId) { 2513 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2514 return; 2515 2516 throw new SecurityException("Caller uid=" + uid 2517 + " is not privileged to communicate with user=" + userId); 2518 } 2519 2520 @Override 2521 public int checkPermission(String permName, String pkgName) { 2522 synchronized (mPackages) { 2523 PackageParser.Package p = mPackages.get(pkgName); 2524 if (p != null && p.mExtras != null) { 2525 PackageSetting ps = (PackageSetting)p.mExtras; 2526 if (ps.sharedUser != null) { 2527 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2528 return PackageManager.PERMISSION_GRANTED; 2529 } 2530 } else if (ps.grantedPermissions.contains(permName)) { 2531 return PackageManager.PERMISSION_GRANTED; 2532 } 2533 } 2534 } 2535 return PackageManager.PERMISSION_DENIED; 2536 } 2537 2538 @Override 2539 public int checkUidPermission(String permName, int uid) { 2540 synchronized (mPackages) { 2541 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2542 if (obj != null) { 2543 GrantedPermissions gp = (GrantedPermissions)obj; 2544 if (gp.grantedPermissions.contains(permName)) { 2545 return PackageManager.PERMISSION_GRANTED; 2546 } 2547 } else { 2548 HashSet<String> perms = mSystemPermissions.get(uid); 2549 if (perms != null && perms.contains(permName)) { 2550 return PackageManager.PERMISSION_GRANTED; 2551 } 2552 } 2553 } 2554 return PackageManager.PERMISSION_DENIED; 2555 } 2556 2557 /** 2558 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2559 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2560 * @param message the message to log on security exception 2561 */ 2562 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2563 String message) { 2564 if (userId < 0) { 2565 throw new IllegalArgumentException("Invalid userId " + userId); 2566 } 2567 if (userId == UserHandle.getUserId(callingUid)) return; 2568 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2569 if (requireFullPermission) { 2570 mContext.enforceCallingOrSelfPermission( 2571 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2572 } else { 2573 try { 2574 mContext.enforceCallingOrSelfPermission( 2575 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2576 } catch (SecurityException se) { 2577 mContext.enforceCallingOrSelfPermission( 2578 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2579 } 2580 } 2581 } 2582 } 2583 2584 private BasePermission findPermissionTreeLP(String permName) { 2585 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2586 if (permName.startsWith(bp.name) && 2587 permName.length() > bp.name.length() && 2588 permName.charAt(bp.name.length()) == '.') { 2589 return bp; 2590 } 2591 } 2592 return null; 2593 } 2594 2595 private BasePermission checkPermissionTreeLP(String permName) { 2596 if (permName != null) { 2597 BasePermission bp = findPermissionTreeLP(permName); 2598 if (bp != null) { 2599 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2600 return bp; 2601 } 2602 throw new SecurityException("Calling uid " 2603 + Binder.getCallingUid() 2604 + " is not allowed to add to permission tree " 2605 + bp.name + " owned by uid " + bp.uid); 2606 } 2607 } 2608 throw new SecurityException("No permission tree found for " + permName); 2609 } 2610 2611 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2612 if (s1 == null) { 2613 return s2 == null; 2614 } 2615 if (s2 == null) { 2616 return false; 2617 } 2618 if (s1.getClass() != s2.getClass()) { 2619 return false; 2620 } 2621 return s1.equals(s2); 2622 } 2623 2624 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2625 if (pi1.icon != pi2.icon) return false; 2626 if (pi1.logo != pi2.logo) return false; 2627 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2628 if (!compareStrings(pi1.name, pi2.name)) return false; 2629 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2630 // We'll take care of setting this one. 2631 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2632 // These are not currently stored in settings. 2633 //if (!compareStrings(pi1.group, pi2.group)) return false; 2634 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2635 //if (pi1.labelRes != pi2.labelRes) return false; 2636 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2637 return true; 2638 } 2639 2640 int permissionInfoFootprint(PermissionInfo info) { 2641 int size = info.name.length(); 2642 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2643 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2644 return size; 2645 } 2646 2647 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2648 int size = 0; 2649 for (BasePermission perm : mSettings.mPermissions.values()) { 2650 if (perm.uid == tree.uid) { 2651 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2652 } 2653 } 2654 return size; 2655 } 2656 2657 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2658 // We calculate the max size of permissions defined by this uid and throw 2659 // if that plus the size of 'info' would exceed our stated maximum. 2660 if (tree.uid != Process.SYSTEM_UID) { 2661 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2662 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2663 throw new SecurityException("Permission tree size cap exceeded"); 2664 } 2665 } 2666 } 2667 2668 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2669 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2670 throw new SecurityException("Label must be specified in permission"); 2671 } 2672 BasePermission tree = checkPermissionTreeLP(info.name); 2673 BasePermission bp = mSettings.mPermissions.get(info.name); 2674 boolean added = bp == null; 2675 boolean changed = true; 2676 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2677 if (added) { 2678 enforcePermissionCapLocked(info, tree); 2679 bp = new BasePermission(info.name, tree.sourcePackage, 2680 BasePermission.TYPE_DYNAMIC); 2681 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2682 throw new SecurityException( 2683 "Not allowed to modify non-dynamic permission " 2684 + info.name); 2685 } else { 2686 if (bp.protectionLevel == fixedLevel 2687 && bp.perm.owner.equals(tree.perm.owner) 2688 && bp.uid == tree.uid 2689 && comparePermissionInfos(bp.perm.info, info)) { 2690 changed = false; 2691 } 2692 } 2693 bp.protectionLevel = fixedLevel; 2694 info = new PermissionInfo(info); 2695 info.protectionLevel = fixedLevel; 2696 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2697 bp.perm.info.packageName = tree.perm.info.packageName; 2698 bp.uid = tree.uid; 2699 if (added) { 2700 mSettings.mPermissions.put(info.name, bp); 2701 } 2702 if (changed) { 2703 if (!async) { 2704 mSettings.writeLPr(); 2705 } else { 2706 scheduleWriteSettingsLocked(); 2707 } 2708 } 2709 return added; 2710 } 2711 2712 @Override 2713 public boolean addPermission(PermissionInfo info) { 2714 synchronized (mPackages) { 2715 return addPermissionLocked(info, false); 2716 } 2717 } 2718 2719 @Override 2720 public boolean addPermissionAsync(PermissionInfo info) { 2721 synchronized (mPackages) { 2722 return addPermissionLocked(info, true); 2723 } 2724 } 2725 2726 @Override 2727 public void removePermission(String name) { 2728 synchronized (mPackages) { 2729 checkPermissionTreeLP(name); 2730 BasePermission bp = mSettings.mPermissions.get(name); 2731 if (bp != null) { 2732 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2733 throw new SecurityException( 2734 "Not allowed to modify non-dynamic permission " 2735 + name); 2736 } 2737 mSettings.mPermissions.remove(name); 2738 mSettings.writeLPr(); 2739 } 2740 } 2741 } 2742 2743 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2744 int index = pkg.requestedPermissions.indexOf(bp.name); 2745 if (index == -1) { 2746 throw new SecurityException("Package " + pkg.packageName 2747 + " has not requested permission " + bp.name); 2748 } 2749 boolean isNormal = 2750 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2751 == PermissionInfo.PROTECTION_NORMAL); 2752 boolean isDangerous = 2753 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2754 == PermissionInfo.PROTECTION_DANGEROUS); 2755 boolean isDevelopment = 2756 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2757 2758 if (!isNormal && !isDangerous && !isDevelopment) { 2759 throw new SecurityException("Permission " + bp.name 2760 + " is not a changeable permission type"); 2761 } 2762 2763 if (isNormal || isDangerous) { 2764 if (pkg.requestedPermissionsRequired.get(index)) { 2765 throw new SecurityException("Can't change " + bp.name 2766 + ". It is required by the application"); 2767 } 2768 } 2769 } 2770 2771 @Override 2772 public void grantPermission(String packageName, String permissionName) { 2773 mContext.enforceCallingOrSelfPermission( 2774 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2775 synchronized (mPackages) { 2776 final PackageParser.Package pkg = mPackages.get(packageName); 2777 if (pkg == null) { 2778 throw new IllegalArgumentException("Unknown package: " + packageName); 2779 } 2780 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2781 if (bp == null) { 2782 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2783 } 2784 2785 checkGrantRevokePermissions(pkg, bp); 2786 2787 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2788 if (ps == null) { 2789 return; 2790 } 2791 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2792 if (gp.grantedPermissions.add(permissionName)) { 2793 if (ps.haveGids) { 2794 gp.gids = appendInts(gp.gids, bp.gids); 2795 } 2796 mSettings.writeLPr(); 2797 } 2798 } 2799 } 2800 2801 @Override 2802 public void revokePermission(String packageName, String permissionName) { 2803 int changedAppId = -1; 2804 2805 synchronized (mPackages) { 2806 final PackageParser.Package pkg = mPackages.get(packageName); 2807 if (pkg == null) { 2808 throw new IllegalArgumentException("Unknown package: " + packageName); 2809 } 2810 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2811 mContext.enforceCallingOrSelfPermission( 2812 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2813 } 2814 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2815 if (bp == null) { 2816 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2817 } 2818 2819 checkGrantRevokePermissions(pkg, bp); 2820 2821 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2822 if (ps == null) { 2823 return; 2824 } 2825 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2826 if (gp.grantedPermissions.remove(permissionName)) { 2827 gp.grantedPermissions.remove(permissionName); 2828 if (ps.haveGids) { 2829 gp.gids = removeInts(gp.gids, bp.gids); 2830 } 2831 mSettings.writeLPr(); 2832 changedAppId = ps.appId; 2833 } 2834 } 2835 2836 if (changedAppId >= 0) { 2837 // We changed the perm on someone, kill its processes. 2838 IActivityManager am = ActivityManagerNative.getDefault(); 2839 if (am != null) { 2840 final int callingUserId = UserHandle.getCallingUserId(); 2841 final long ident = Binder.clearCallingIdentity(); 2842 try { 2843 //XXX we should only revoke for the calling user's app permissions, 2844 // but for now we impact all users. 2845 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2846 // "revoke " + permissionName); 2847 int[] users = sUserManager.getUserIds(); 2848 for (int user : users) { 2849 am.killUid(UserHandle.getUid(user, changedAppId), 2850 "revoke " + permissionName); 2851 } 2852 } catch (RemoteException e) { 2853 } finally { 2854 Binder.restoreCallingIdentity(ident); 2855 } 2856 } 2857 } 2858 } 2859 2860 @Override 2861 public boolean isProtectedBroadcast(String actionName) { 2862 synchronized (mPackages) { 2863 return mProtectedBroadcasts.contains(actionName); 2864 } 2865 } 2866 2867 @Override 2868 public int checkSignatures(String pkg1, String pkg2) { 2869 synchronized (mPackages) { 2870 final PackageParser.Package p1 = mPackages.get(pkg1); 2871 final PackageParser.Package p2 = mPackages.get(pkg2); 2872 if (p1 == null || p1.mExtras == null 2873 || p2 == null || p2.mExtras == null) { 2874 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2875 } 2876 return compareSignatures(p1.mSignatures, p2.mSignatures); 2877 } 2878 } 2879 2880 @Override 2881 public int checkUidSignatures(int uid1, int uid2) { 2882 // Map to base uids. 2883 uid1 = UserHandle.getAppId(uid1); 2884 uid2 = UserHandle.getAppId(uid2); 2885 // reader 2886 synchronized (mPackages) { 2887 Signature[] s1; 2888 Signature[] s2; 2889 Object obj = mSettings.getUserIdLPr(uid1); 2890 if (obj != null) { 2891 if (obj instanceof SharedUserSetting) { 2892 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2893 } else if (obj instanceof PackageSetting) { 2894 s1 = ((PackageSetting)obj).signatures.mSignatures; 2895 } else { 2896 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2897 } 2898 } else { 2899 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2900 } 2901 obj = mSettings.getUserIdLPr(uid2); 2902 if (obj != null) { 2903 if (obj instanceof SharedUserSetting) { 2904 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2905 } else if (obj instanceof PackageSetting) { 2906 s2 = ((PackageSetting)obj).signatures.mSignatures; 2907 } else { 2908 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2909 } 2910 } else { 2911 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2912 } 2913 return compareSignatures(s1, s2); 2914 } 2915 } 2916 2917 /** 2918 * Compares two sets of signatures. Returns: 2919 * <br /> 2920 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2921 * <br /> 2922 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2923 * <br /> 2924 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2925 * <br /> 2926 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2927 * <br /> 2928 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2929 */ 2930 static int compareSignatures(Signature[] s1, Signature[] s2) { 2931 if (s1 == null) { 2932 return s2 == null 2933 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2934 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2935 } 2936 2937 if (s2 == null) { 2938 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2939 } 2940 2941 if (s1.length != s2.length) { 2942 return PackageManager.SIGNATURE_NO_MATCH; 2943 } 2944 2945 // Since both signature sets are of size 1, we can compare without HashSets. 2946 if (s1.length == 1) { 2947 return s1[0].equals(s2[0]) ? 2948 PackageManager.SIGNATURE_MATCH : 2949 PackageManager.SIGNATURE_NO_MATCH; 2950 } 2951 2952 HashSet<Signature> set1 = new HashSet<Signature>(); 2953 for (Signature sig : s1) { 2954 set1.add(sig); 2955 } 2956 HashSet<Signature> set2 = new HashSet<Signature>(); 2957 for (Signature sig : s2) { 2958 set2.add(sig); 2959 } 2960 // Make sure s2 contains all signatures in s1. 2961 if (set1.equals(set2)) { 2962 return PackageManager.SIGNATURE_MATCH; 2963 } 2964 return PackageManager.SIGNATURE_NO_MATCH; 2965 } 2966 2967 /** 2968 * If the database version for this type of package (internal storage or 2969 * external storage) is less than the version where package signatures 2970 * were updated, return true. 2971 */ 2972 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2973 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2974 DatabaseVersion.SIGNATURE_END_ENTITY)) 2975 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2976 DatabaseVersion.SIGNATURE_END_ENTITY)); 2977 } 2978 2979 /** 2980 * Used for backward compatibility to make sure any packages with 2981 * certificate chains get upgraded to the new style. {@code existingSigs} 2982 * will be in the old format (since they were stored on disk from before the 2983 * system upgrade) and {@code scannedSigs} will be in the newer format. 2984 */ 2985 private int compareSignaturesCompat(PackageSignatures existingSigs, 2986 PackageParser.Package scannedPkg) { 2987 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2988 return PackageManager.SIGNATURE_NO_MATCH; 2989 } 2990 2991 HashSet<Signature> existingSet = new HashSet<Signature>(); 2992 for (Signature sig : existingSigs.mSignatures) { 2993 existingSet.add(sig); 2994 } 2995 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2996 for (Signature sig : scannedPkg.mSignatures) { 2997 try { 2998 Signature[] chainSignatures = sig.getChainSignatures(); 2999 for (Signature chainSig : chainSignatures) { 3000 scannedCompatSet.add(chainSig); 3001 } 3002 } catch (CertificateEncodingException e) { 3003 scannedCompatSet.add(sig); 3004 } 3005 } 3006 /* 3007 * Make sure the expanded scanned set contains all signatures in the 3008 * existing one. 3009 */ 3010 if (scannedCompatSet.equals(existingSet)) { 3011 // Migrate the old signatures to the new scheme. 3012 existingSigs.assignSignatures(scannedPkg.mSignatures); 3013 // The new KeySets will be re-added later in the scanning process. 3014 mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName); 3015 return PackageManager.SIGNATURE_MATCH; 3016 } 3017 return PackageManager.SIGNATURE_NO_MATCH; 3018 } 3019 3020 @Override 3021 public String[] getPackagesForUid(int uid) { 3022 uid = UserHandle.getAppId(uid); 3023 // reader 3024 synchronized (mPackages) { 3025 Object obj = mSettings.getUserIdLPr(uid); 3026 if (obj instanceof SharedUserSetting) { 3027 final SharedUserSetting sus = (SharedUserSetting) obj; 3028 final int N = sus.packages.size(); 3029 final String[] res = new String[N]; 3030 final Iterator<PackageSetting> it = sus.packages.iterator(); 3031 int i = 0; 3032 while (it.hasNext()) { 3033 res[i++] = it.next().name; 3034 } 3035 return res; 3036 } else if (obj instanceof PackageSetting) { 3037 final PackageSetting ps = (PackageSetting) obj; 3038 return new String[] { ps.name }; 3039 } 3040 } 3041 return null; 3042 } 3043 3044 @Override 3045 public String getNameForUid(int uid) { 3046 // reader 3047 synchronized (mPackages) { 3048 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3049 if (obj instanceof SharedUserSetting) { 3050 final SharedUserSetting sus = (SharedUserSetting) obj; 3051 return sus.name + ":" + sus.userId; 3052 } else if (obj instanceof PackageSetting) { 3053 final PackageSetting ps = (PackageSetting) obj; 3054 return ps.name; 3055 } 3056 } 3057 return null; 3058 } 3059 3060 @Override 3061 public int getUidForSharedUser(String sharedUserName) { 3062 if(sharedUserName == null) { 3063 return -1; 3064 } 3065 // reader 3066 synchronized (mPackages) { 3067 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 3068 if (suid == null) { 3069 return -1; 3070 } 3071 return suid.userId; 3072 } 3073 } 3074 3075 @Override 3076 public int getFlagsForUid(int uid) { 3077 synchronized (mPackages) { 3078 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3079 if (obj instanceof SharedUserSetting) { 3080 final SharedUserSetting sus = (SharedUserSetting) obj; 3081 return sus.pkgFlags; 3082 } else if (obj instanceof PackageSetting) { 3083 final PackageSetting ps = (PackageSetting) obj; 3084 return ps.pkgFlags; 3085 } 3086 } 3087 return 0; 3088 } 3089 3090 @Override 3091 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3092 int flags, int userId) { 3093 if (!sUserManager.exists(userId)) return null; 3094 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 3095 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3096 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3097 } 3098 3099 @Override 3100 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3101 IntentFilter filter, int match, ComponentName activity) { 3102 final int userId = UserHandle.getCallingUserId(); 3103 if (DEBUG_PREFERRED) { 3104 Log.v(TAG, "setLastChosenActivity intent=" + intent 3105 + " resolvedType=" + resolvedType 3106 + " flags=" + flags 3107 + " filter=" + filter 3108 + " match=" + match 3109 + " activity=" + activity); 3110 filter.dump(new PrintStreamPrinter(System.out), " "); 3111 } 3112 intent.setComponent(null); 3113 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3114 // Find any earlier preferred or last chosen entries and nuke them 3115 findPreferredActivity(intent, resolvedType, 3116 flags, query, 0, false, true, false, userId); 3117 // Add the new activity as the last chosen for this filter 3118 addPreferredActivityInternal(filter, match, null, activity, false, userId); 3119 } 3120 3121 @Override 3122 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3123 final int userId = UserHandle.getCallingUserId(); 3124 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3125 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3126 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3127 false, false, false, userId); 3128 } 3129 3130 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3131 int flags, List<ResolveInfo> query, int userId) { 3132 if (query != null) { 3133 final int N = query.size(); 3134 if (N == 1) { 3135 return query.get(0); 3136 } else if (N > 1) { 3137 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3138 // If there is more than one activity with the same priority, 3139 // then let the user decide between them. 3140 ResolveInfo r0 = query.get(0); 3141 ResolveInfo r1 = query.get(1); 3142 if (DEBUG_INTENT_MATCHING || debug) { 3143 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3144 + r1.activityInfo.name + "=" + r1.priority); 3145 } 3146 // If the first activity has a higher priority, or a different 3147 // default, then it is always desireable to pick it. 3148 if (r0.priority != r1.priority 3149 || r0.preferredOrder != r1.preferredOrder 3150 || r0.isDefault != r1.isDefault) { 3151 return query.get(0); 3152 } 3153 // If we have saved a preference for a preferred activity for 3154 // this Intent, use that. 3155 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3156 flags, query, r0.priority, true, false, debug, userId); 3157 if (ri != null) { 3158 return ri; 3159 } 3160 if (userId != 0) { 3161 ri = new ResolveInfo(mResolveInfo); 3162 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3163 ri.activityInfo.applicationInfo = new ApplicationInfo( 3164 ri.activityInfo.applicationInfo); 3165 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3166 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3167 return ri; 3168 } 3169 return mResolveInfo; 3170 } 3171 } 3172 return null; 3173 } 3174 3175 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3176 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3177 final int N = query.size(); 3178 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3179 .get(userId); 3180 // Get the list of persistent preferred activities that handle the intent 3181 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3182 List<PersistentPreferredActivity> pprefs = ppir != null 3183 ? ppir.queryIntent(intent, resolvedType, 3184 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3185 : null; 3186 if (pprefs != null && pprefs.size() > 0) { 3187 final int M = pprefs.size(); 3188 for (int i=0; i<M; i++) { 3189 final PersistentPreferredActivity ppa = pprefs.get(i); 3190 if (DEBUG_PREFERRED || debug) { 3191 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3192 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3193 + "\n component=" + ppa.mComponent); 3194 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3195 } 3196 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3197 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3198 if (DEBUG_PREFERRED || debug) { 3199 Slog.v(TAG, "Found persistent preferred activity:"); 3200 if (ai != null) { 3201 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3202 } else { 3203 Slog.v(TAG, " null"); 3204 } 3205 } 3206 if (ai == null) { 3207 // This previously registered persistent preferred activity 3208 // component is no longer known. Ignore it and do NOT remove it. 3209 continue; 3210 } 3211 for (int j=0; j<N; j++) { 3212 final ResolveInfo ri = query.get(j); 3213 if (!ri.activityInfo.applicationInfo.packageName 3214 .equals(ai.applicationInfo.packageName)) { 3215 continue; 3216 } 3217 if (!ri.activityInfo.name.equals(ai.name)) { 3218 continue; 3219 } 3220 // Found a persistent preference that can handle the intent. 3221 if (DEBUG_PREFERRED || debug) { 3222 Slog.v(TAG, "Returning persistent preferred activity: " + 3223 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3224 } 3225 return ri; 3226 } 3227 } 3228 } 3229 return null; 3230 } 3231 3232 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3233 List<ResolveInfo> query, int priority, boolean always, 3234 boolean removeMatches, boolean debug, int userId) { 3235 if (!sUserManager.exists(userId)) return null; 3236 // writer 3237 synchronized (mPackages) { 3238 if (intent.getSelector() != null) { 3239 intent = intent.getSelector(); 3240 } 3241 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3242 3243 // Try to find a matching persistent preferred activity. 3244 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3245 debug, userId); 3246 3247 // If a persistent preferred activity matched, use it. 3248 if (pri != null) { 3249 return pri; 3250 } 3251 3252 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3253 // Get the list of preferred activities that handle the intent 3254 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3255 List<PreferredActivity> prefs = pir != null 3256 ? pir.queryIntent(intent, resolvedType, 3257 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3258 : null; 3259 if (prefs != null && prefs.size() > 0) { 3260 // First figure out how good the original match set is. 3261 // We will only allow preferred activities that came 3262 // from the same match quality. 3263 int match = 0; 3264 3265 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3266 3267 final int N = query.size(); 3268 for (int j=0; j<N; j++) { 3269 final ResolveInfo ri = query.get(j); 3270 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3271 + ": 0x" + Integer.toHexString(match)); 3272 if (ri.match > match) { 3273 match = ri.match; 3274 } 3275 } 3276 3277 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3278 + Integer.toHexString(match)); 3279 3280 match &= IntentFilter.MATCH_CATEGORY_MASK; 3281 final int M = prefs.size(); 3282 for (int i=0; i<M; i++) { 3283 final PreferredActivity pa = prefs.get(i); 3284 if (DEBUG_PREFERRED || debug) { 3285 Slog.v(TAG, "Checking PreferredActivity ds=" 3286 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3287 + "\n component=" + pa.mPref.mComponent); 3288 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3289 } 3290 if (pa.mPref.mMatch != match) { 3291 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3292 + Integer.toHexString(pa.mPref.mMatch)); 3293 continue; 3294 } 3295 // If it's not an "always" type preferred activity and that's what we're 3296 // looking for, skip it. 3297 if (always && !pa.mPref.mAlways) { 3298 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3299 continue; 3300 } 3301 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3302 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3303 if (DEBUG_PREFERRED || debug) { 3304 Slog.v(TAG, "Found preferred activity:"); 3305 if (ai != null) { 3306 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3307 } else { 3308 Slog.v(TAG, " null"); 3309 } 3310 } 3311 if (ai == null) { 3312 // This previously registered preferred activity 3313 // component is no longer known. Most likely an update 3314 // to the app was installed and in the new version this 3315 // component no longer exists. Clean it up by removing 3316 // it from the preferred activities list, and skip it. 3317 Slog.w(TAG, "Removing dangling preferred activity: " 3318 + pa.mPref.mComponent); 3319 pir.removeFilter(pa); 3320 continue; 3321 } 3322 for (int j=0; j<N; j++) { 3323 final ResolveInfo ri = query.get(j); 3324 if (!ri.activityInfo.applicationInfo.packageName 3325 .equals(ai.applicationInfo.packageName)) { 3326 continue; 3327 } 3328 if (!ri.activityInfo.name.equals(ai.name)) { 3329 continue; 3330 } 3331 3332 if (removeMatches) { 3333 pir.removeFilter(pa); 3334 if (DEBUG_PREFERRED) { 3335 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3336 } 3337 break; 3338 } 3339 3340 // Okay we found a previously set preferred or last chosen app. 3341 // If the result set is different from when this 3342 // was created, we need to clear it and re-ask the 3343 // user their preference, if we're looking for an "always" type entry. 3344 if (always && !pa.mPref.sameSet(query, priority)) { 3345 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3346 + intent + " type " + resolvedType); 3347 if (DEBUG_PREFERRED) { 3348 Slog.v(TAG, "Removing preferred activity since set changed " 3349 + pa.mPref.mComponent); 3350 } 3351 pir.removeFilter(pa); 3352 // Re-add the filter as a "last chosen" entry (!always) 3353 PreferredActivity lastChosen = new PreferredActivity( 3354 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3355 pir.addFilter(lastChosen); 3356 mSettings.writePackageRestrictionsLPr(userId); 3357 return null; 3358 } 3359 3360 // Yay! Either the set matched or we're looking for the last chosen 3361 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3362 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3363 mSettings.writePackageRestrictionsLPr(userId); 3364 return ri; 3365 } 3366 } 3367 } 3368 mSettings.writePackageRestrictionsLPr(userId); 3369 } 3370 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3371 return null; 3372 } 3373 3374 /* 3375 * Returns if intent can be forwarded from the userId from to dest 3376 */ 3377 @Override 3378 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3379 int targetUserId) { 3380 mContext.enforceCallingOrSelfPermission( 3381 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3382 List<CrossProfileIntentFilter> matches = 3383 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3384 if (matches != null) { 3385 int size = matches.size(); 3386 for (int i = 0; i < size; i++) { 3387 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3388 } 3389 } 3390 return false; 3391 } 3392 3393 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3394 String resolvedType, int userId) { 3395 CrossProfileIntentResolver cpir = mSettings.mCrossProfileIntentResolvers.get(userId); 3396 if (cpir != null) { 3397 return cpir.queryIntent(intent, resolvedType, false, userId); 3398 } 3399 return null; 3400 } 3401 3402 @Override 3403 public List<ResolveInfo> queryIntentActivities(Intent intent, 3404 String resolvedType, int flags, int userId) { 3405 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3406 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3407 ComponentName comp = intent.getComponent(); 3408 if (comp == null) { 3409 if (intent.getSelector() != null) { 3410 intent = intent.getSelector(); 3411 comp = intent.getComponent(); 3412 } 3413 } 3414 3415 if (comp != null) { 3416 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3417 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3418 if (ai != null) { 3419 final ResolveInfo ri = new ResolveInfo(); 3420 ri.activityInfo = ai; 3421 list.add(ri); 3422 } 3423 return list; 3424 } 3425 3426 // reader 3427 synchronized (mPackages) { 3428 final String pkgName = intent.getPackage(); 3429 if (pkgName == null) { 3430 List<ResolveInfo> result = 3431 mActivities.queryIntent(intent, resolvedType, flags, userId); 3432 // Checking if we can forward the intent to another user 3433 List<CrossProfileIntentFilter> cpifs = 3434 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3435 if (cpifs != null) { 3436 CrossProfileIntentFilter crossProfileIntentFilterWithResult = null; 3437 HashSet<Integer> alreadyTriedUserIds = new HashSet<Integer>(); 3438 for (CrossProfileIntentFilter cpif : cpifs) { 3439 int targetUserId = cpif.getTargetUserId(); 3440 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3441 // match the same an intent. For performance reasons, it is better not to 3442 // run queryIntent twice for the same userId 3443 if (!alreadyTriedUserIds.contains(targetUserId)) { 3444 List<ResolveInfo> resultUser = mActivities.queryIntent(intent, 3445 resolvedType, flags, targetUserId); 3446 if (resultUser != null) { 3447 crossProfileIntentFilterWithResult = cpif; 3448 // As soon as there is a match in another user, we add the 3449 // intentForwarderActivity to the list of ResolveInfo. 3450 break; 3451 } 3452 alreadyTriedUserIds.add(targetUserId); 3453 } 3454 } 3455 if (crossProfileIntentFilterWithResult != null) { 3456 ResolveInfo forwardingResolveInfo = createForwardingResolveInfo( 3457 crossProfileIntentFilterWithResult, userId); 3458 result.add(forwardingResolveInfo); 3459 } 3460 } 3461 return result; 3462 } 3463 final PackageParser.Package pkg = mPackages.get(pkgName); 3464 if (pkg != null) { 3465 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3466 pkg.activities, userId); 3467 } 3468 return new ArrayList<ResolveInfo>(); 3469 } 3470 } 3471 3472 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter cpif, 3473 int sourceUserId) { 3474 String className; 3475 int targetUserId = cpif.getTargetUserId(); 3476 if (targetUserId == UserHandle.USER_OWNER) { 3477 className = FORWARD_INTENT_TO_USER_OWNER; 3478 } else { 3479 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3480 } 3481 ComponentName forwardingActivityComponentName = new ComponentName( 3482 mAndroidApplication.packageName, className); 3483 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3484 sourceUserId); 3485 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3486 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3487 forwardingResolveInfo.priority = 0; 3488 forwardingResolveInfo.preferredOrder = 0; 3489 forwardingResolveInfo.match = 0; 3490 forwardingResolveInfo.isDefault = true; 3491 forwardingResolveInfo.filter = cpif; 3492 return forwardingResolveInfo; 3493 } 3494 3495 @Override 3496 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3497 Intent[] specifics, String[] specificTypes, Intent intent, 3498 String resolvedType, int flags, int userId) { 3499 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3500 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3501 "query intent activity options"); 3502 final String resultsAction = intent.getAction(); 3503 3504 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3505 | PackageManager.GET_RESOLVED_FILTER, userId); 3506 3507 if (DEBUG_INTENT_MATCHING) { 3508 Log.v(TAG, "Query " + intent + ": " + results); 3509 } 3510 3511 int specificsPos = 0; 3512 int N; 3513 3514 // todo: note that the algorithm used here is O(N^2). This 3515 // isn't a problem in our current environment, but if we start running 3516 // into situations where we have more than 5 or 10 matches then this 3517 // should probably be changed to something smarter... 3518 3519 // First we go through and resolve each of the specific items 3520 // that were supplied, taking care of removing any corresponding 3521 // duplicate items in the generic resolve list. 3522 if (specifics != null) { 3523 for (int i=0; i<specifics.length; i++) { 3524 final Intent sintent = specifics[i]; 3525 if (sintent == null) { 3526 continue; 3527 } 3528 3529 if (DEBUG_INTENT_MATCHING) { 3530 Log.v(TAG, "Specific #" + i + ": " + sintent); 3531 } 3532 3533 String action = sintent.getAction(); 3534 if (resultsAction != null && resultsAction.equals(action)) { 3535 // If this action was explicitly requested, then don't 3536 // remove things that have it. 3537 action = null; 3538 } 3539 3540 ResolveInfo ri = null; 3541 ActivityInfo ai = null; 3542 3543 ComponentName comp = sintent.getComponent(); 3544 if (comp == null) { 3545 ri = resolveIntent( 3546 sintent, 3547 specificTypes != null ? specificTypes[i] : null, 3548 flags, userId); 3549 if (ri == null) { 3550 continue; 3551 } 3552 if (ri == mResolveInfo) { 3553 // ACK! Must do something better with this. 3554 } 3555 ai = ri.activityInfo; 3556 comp = new ComponentName(ai.applicationInfo.packageName, 3557 ai.name); 3558 } else { 3559 ai = getActivityInfo(comp, flags, userId); 3560 if (ai == null) { 3561 continue; 3562 } 3563 } 3564 3565 // Look for any generic query activities that are duplicates 3566 // of this specific one, and remove them from the results. 3567 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3568 N = results.size(); 3569 int j; 3570 for (j=specificsPos; j<N; j++) { 3571 ResolveInfo sri = results.get(j); 3572 if ((sri.activityInfo.name.equals(comp.getClassName()) 3573 && sri.activityInfo.applicationInfo.packageName.equals( 3574 comp.getPackageName())) 3575 || (action != null && sri.filter.matchAction(action))) { 3576 results.remove(j); 3577 if (DEBUG_INTENT_MATCHING) Log.v( 3578 TAG, "Removing duplicate item from " + j 3579 + " due to specific " + specificsPos); 3580 if (ri == null) { 3581 ri = sri; 3582 } 3583 j--; 3584 N--; 3585 } 3586 } 3587 3588 // Add this specific item to its proper place. 3589 if (ri == null) { 3590 ri = new ResolveInfo(); 3591 ri.activityInfo = ai; 3592 } 3593 results.add(specificsPos, ri); 3594 ri.specificIndex = i; 3595 specificsPos++; 3596 } 3597 } 3598 3599 // Now we go through the remaining generic results and remove any 3600 // duplicate actions that are found here. 3601 N = results.size(); 3602 for (int i=specificsPos; i<N-1; i++) { 3603 final ResolveInfo rii = results.get(i); 3604 if (rii.filter == null) { 3605 continue; 3606 } 3607 3608 // Iterate over all of the actions of this result's intent 3609 // filter... typically this should be just one. 3610 final Iterator<String> it = rii.filter.actionsIterator(); 3611 if (it == null) { 3612 continue; 3613 } 3614 while (it.hasNext()) { 3615 final String action = it.next(); 3616 if (resultsAction != null && resultsAction.equals(action)) { 3617 // If this action was explicitly requested, then don't 3618 // remove things that have it. 3619 continue; 3620 } 3621 for (int j=i+1; j<N; j++) { 3622 final ResolveInfo rij = results.get(j); 3623 if (rij.filter != null && rij.filter.hasAction(action)) { 3624 results.remove(j); 3625 if (DEBUG_INTENT_MATCHING) Log.v( 3626 TAG, "Removing duplicate item from " + j 3627 + " due to action " + action + " at " + i); 3628 j--; 3629 N--; 3630 } 3631 } 3632 } 3633 3634 // If the caller didn't request filter information, drop it now 3635 // so we don't have to marshall/unmarshall it. 3636 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3637 rii.filter = null; 3638 } 3639 } 3640 3641 // Filter out the caller activity if so requested. 3642 if (caller != null) { 3643 N = results.size(); 3644 for (int i=0; i<N; i++) { 3645 ActivityInfo ainfo = results.get(i).activityInfo; 3646 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3647 && caller.getClassName().equals(ainfo.name)) { 3648 results.remove(i); 3649 break; 3650 } 3651 } 3652 } 3653 3654 // If the caller didn't request filter information, 3655 // drop them now so we don't have to 3656 // marshall/unmarshall it. 3657 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3658 N = results.size(); 3659 for (int i=0; i<N; i++) { 3660 results.get(i).filter = null; 3661 } 3662 } 3663 3664 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3665 return results; 3666 } 3667 3668 @Override 3669 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3670 int userId) { 3671 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3672 ComponentName comp = intent.getComponent(); 3673 if (comp == null) { 3674 if (intent.getSelector() != null) { 3675 intent = intent.getSelector(); 3676 comp = intent.getComponent(); 3677 } 3678 } 3679 if (comp != null) { 3680 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3681 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3682 if (ai != null) { 3683 ResolveInfo ri = new ResolveInfo(); 3684 ri.activityInfo = ai; 3685 list.add(ri); 3686 } 3687 return list; 3688 } 3689 3690 // reader 3691 synchronized (mPackages) { 3692 String pkgName = intent.getPackage(); 3693 if (pkgName == null) { 3694 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3695 } 3696 final PackageParser.Package pkg = mPackages.get(pkgName); 3697 if (pkg != null) { 3698 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3699 userId); 3700 } 3701 return null; 3702 } 3703 } 3704 3705 @Override 3706 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3707 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3708 if (!sUserManager.exists(userId)) return null; 3709 if (query != null) { 3710 if (query.size() >= 1) { 3711 // If there is more than one service with the same priority, 3712 // just arbitrarily pick the first one. 3713 return query.get(0); 3714 } 3715 } 3716 return null; 3717 } 3718 3719 @Override 3720 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3721 int userId) { 3722 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3723 ComponentName comp = intent.getComponent(); 3724 if (comp == null) { 3725 if (intent.getSelector() != null) { 3726 intent = intent.getSelector(); 3727 comp = intent.getComponent(); 3728 } 3729 } 3730 if (comp != null) { 3731 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3732 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3733 if (si != null) { 3734 final ResolveInfo ri = new ResolveInfo(); 3735 ri.serviceInfo = si; 3736 list.add(ri); 3737 } 3738 return list; 3739 } 3740 3741 // reader 3742 synchronized (mPackages) { 3743 String pkgName = intent.getPackage(); 3744 if (pkgName == null) { 3745 return mServices.queryIntent(intent, resolvedType, flags, userId); 3746 } 3747 final PackageParser.Package pkg = mPackages.get(pkgName); 3748 if (pkg != null) { 3749 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3750 userId); 3751 } 3752 return null; 3753 } 3754 } 3755 3756 @Override 3757 public List<ResolveInfo> queryIntentContentProviders( 3758 Intent intent, String resolvedType, int flags, int userId) { 3759 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3760 ComponentName comp = intent.getComponent(); 3761 if (comp == null) { 3762 if (intent.getSelector() != null) { 3763 intent = intent.getSelector(); 3764 comp = intent.getComponent(); 3765 } 3766 } 3767 if (comp != null) { 3768 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3769 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3770 if (pi != null) { 3771 final ResolveInfo ri = new ResolveInfo(); 3772 ri.providerInfo = pi; 3773 list.add(ri); 3774 } 3775 return list; 3776 } 3777 3778 // reader 3779 synchronized (mPackages) { 3780 String pkgName = intent.getPackage(); 3781 if (pkgName == null) { 3782 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3783 } 3784 final PackageParser.Package pkg = mPackages.get(pkgName); 3785 if (pkg != null) { 3786 return mProviders.queryIntentForPackage( 3787 intent, resolvedType, flags, pkg.providers, userId); 3788 } 3789 return null; 3790 } 3791 } 3792 3793 @Override 3794 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3795 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3796 3797 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3798 3799 // writer 3800 synchronized (mPackages) { 3801 ArrayList<PackageInfo> list; 3802 if (listUninstalled) { 3803 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3804 for (PackageSetting ps : mSettings.mPackages.values()) { 3805 PackageInfo pi; 3806 if (ps.pkg != null) { 3807 pi = generatePackageInfo(ps.pkg, flags, userId); 3808 } else { 3809 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3810 } 3811 if (pi != null) { 3812 list.add(pi); 3813 } 3814 } 3815 } else { 3816 list = new ArrayList<PackageInfo>(mPackages.size()); 3817 for (PackageParser.Package p : mPackages.values()) { 3818 PackageInfo pi = generatePackageInfo(p, flags, userId); 3819 if (pi != null) { 3820 list.add(pi); 3821 } 3822 } 3823 } 3824 3825 return new ParceledListSlice<PackageInfo>(list); 3826 } 3827 } 3828 3829 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3830 String[] permissions, boolean[] tmp, int flags, int userId) { 3831 int numMatch = 0; 3832 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3833 for (int i=0; i<permissions.length; i++) { 3834 if (gp.grantedPermissions.contains(permissions[i])) { 3835 tmp[i] = true; 3836 numMatch++; 3837 } else { 3838 tmp[i] = false; 3839 } 3840 } 3841 if (numMatch == 0) { 3842 return; 3843 } 3844 PackageInfo pi; 3845 if (ps.pkg != null) { 3846 pi = generatePackageInfo(ps.pkg, flags, userId); 3847 } else { 3848 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3849 } 3850 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3851 if (numMatch == permissions.length) { 3852 pi.requestedPermissions = permissions; 3853 } else { 3854 pi.requestedPermissions = new String[numMatch]; 3855 numMatch = 0; 3856 for (int i=0; i<permissions.length; i++) { 3857 if (tmp[i]) { 3858 pi.requestedPermissions[numMatch] = permissions[i]; 3859 numMatch++; 3860 } 3861 } 3862 } 3863 } 3864 list.add(pi); 3865 } 3866 3867 @Override 3868 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3869 String[] permissions, int flags, int userId) { 3870 if (!sUserManager.exists(userId)) return null; 3871 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3872 3873 // writer 3874 synchronized (mPackages) { 3875 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3876 boolean[] tmpBools = new boolean[permissions.length]; 3877 if (listUninstalled) { 3878 for (PackageSetting ps : mSettings.mPackages.values()) { 3879 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3880 } 3881 } else { 3882 for (PackageParser.Package pkg : mPackages.values()) { 3883 PackageSetting ps = (PackageSetting)pkg.mExtras; 3884 if (ps != null) { 3885 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3886 userId); 3887 } 3888 } 3889 } 3890 3891 return new ParceledListSlice<PackageInfo>(list); 3892 } 3893 } 3894 3895 @Override 3896 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3897 if (!sUserManager.exists(userId)) return null; 3898 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3899 3900 // writer 3901 synchronized (mPackages) { 3902 ArrayList<ApplicationInfo> list; 3903 if (listUninstalled) { 3904 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3905 for (PackageSetting ps : mSettings.mPackages.values()) { 3906 ApplicationInfo ai; 3907 if (ps.pkg != null) { 3908 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3909 ps.readUserState(userId), userId); 3910 } else { 3911 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3912 } 3913 if (ai != null) { 3914 list.add(ai); 3915 } 3916 } 3917 } else { 3918 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3919 for (PackageParser.Package p : mPackages.values()) { 3920 if (p.mExtras != null) { 3921 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3922 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3923 if (ai != null) { 3924 list.add(ai); 3925 } 3926 } 3927 } 3928 } 3929 3930 return new ParceledListSlice<ApplicationInfo>(list); 3931 } 3932 } 3933 3934 public List<ApplicationInfo> getPersistentApplications(int flags) { 3935 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3936 3937 // reader 3938 synchronized (mPackages) { 3939 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3940 final int userId = UserHandle.getCallingUserId(); 3941 while (i.hasNext()) { 3942 final PackageParser.Package p = i.next(); 3943 if (p.applicationInfo != null 3944 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3945 && (!mSafeMode || isSystemApp(p))) { 3946 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3947 if (ps != null) { 3948 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3949 ps.readUserState(userId), userId); 3950 if (ai != null) { 3951 finalList.add(ai); 3952 } 3953 } 3954 } 3955 } 3956 } 3957 3958 return finalList; 3959 } 3960 3961 @Override 3962 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3963 if (!sUserManager.exists(userId)) return null; 3964 // reader 3965 synchronized (mPackages) { 3966 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3967 PackageSetting ps = provider != null 3968 ? mSettings.mPackages.get(provider.owner.packageName) 3969 : null; 3970 return ps != null 3971 && mSettings.isEnabledLPr(provider.info, flags, userId) 3972 && (!mSafeMode || (provider.info.applicationInfo.flags 3973 &ApplicationInfo.FLAG_SYSTEM) != 0) 3974 ? PackageParser.generateProviderInfo(provider, flags, 3975 ps.readUserState(userId), userId) 3976 : null; 3977 } 3978 } 3979 3980 /** 3981 * @deprecated 3982 */ 3983 @Deprecated 3984 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3985 // reader 3986 synchronized (mPackages) { 3987 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3988 .entrySet().iterator(); 3989 final int userId = UserHandle.getCallingUserId(); 3990 while (i.hasNext()) { 3991 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3992 PackageParser.Provider p = entry.getValue(); 3993 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3994 3995 if (ps != null && p.syncable 3996 && (!mSafeMode || (p.info.applicationInfo.flags 3997 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3998 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3999 ps.readUserState(userId), userId); 4000 if (info != null) { 4001 outNames.add(entry.getKey()); 4002 outInfo.add(info); 4003 } 4004 } 4005 } 4006 } 4007 } 4008 4009 @Override 4010 public List<ProviderInfo> queryContentProviders(String processName, 4011 int uid, int flags) { 4012 ArrayList<ProviderInfo> finalList = null; 4013 // reader 4014 synchronized (mPackages) { 4015 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4016 final int userId = processName != null ? 4017 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4018 while (i.hasNext()) { 4019 final PackageParser.Provider p = i.next(); 4020 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4021 if (ps != null && p.info.authority != null 4022 && (processName == null 4023 || (p.info.processName.equals(processName) 4024 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4025 && mSettings.isEnabledLPr(p.info, flags, userId) 4026 && (!mSafeMode 4027 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4028 if (finalList == null) { 4029 finalList = new ArrayList<ProviderInfo>(3); 4030 } 4031 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4032 ps.readUserState(userId), userId); 4033 if (info != null) { 4034 finalList.add(info); 4035 } 4036 } 4037 } 4038 } 4039 4040 if (finalList != null) { 4041 Collections.sort(finalList, mProviderInitOrderSorter); 4042 } 4043 4044 return finalList; 4045 } 4046 4047 @Override 4048 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4049 int flags) { 4050 // reader 4051 synchronized (mPackages) { 4052 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4053 return PackageParser.generateInstrumentationInfo(i, flags); 4054 } 4055 } 4056 4057 @Override 4058 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4059 int flags) { 4060 ArrayList<InstrumentationInfo> finalList = 4061 new ArrayList<InstrumentationInfo>(); 4062 4063 // reader 4064 synchronized (mPackages) { 4065 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4066 while (i.hasNext()) { 4067 final PackageParser.Instrumentation p = i.next(); 4068 if (targetPackage == null 4069 || targetPackage.equals(p.info.targetPackage)) { 4070 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4071 flags); 4072 if (ii != null) { 4073 finalList.add(ii); 4074 } 4075 } 4076 } 4077 } 4078 4079 return finalList; 4080 } 4081 4082 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4083 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4084 if (overlays == null) { 4085 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4086 return; 4087 } 4088 for (PackageParser.Package opkg : overlays.values()) { 4089 // Not much to do if idmap fails: we already logged the error 4090 // and we certainly don't want to abort installation of pkg simply 4091 // because an overlay didn't fit properly. For these reasons, 4092 // ignore the return value of createIdmapForPackagePairLI. 4093 createIdmapForPackagePairLI(pkg, opkg); 4094 } 4095 } 4096 4097 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4098 PackageParser.Package opkg) { 4099 if (!opkg.mTrustedOverlay) { 4100 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 4101 opkg.mScanPath + ": overlay not trusted"); 4102 return false; 4103 } 4104 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4105 if (overlaySet == null) { 4106 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 4107 opkg.mScanPath + " but target package has no known overlays"); 4108 return false; 4109 } 4110 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4111 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 4112 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 4113 return false; 4114 } 4115 PackageParser.Package[] overlayArray = 4116 overlaySet.values().toArray(new PackageParser.Package[0]); 4117 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4118 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4119 return p1.mOverlayPriority - p2.mOverlayPriority; 4120 } 4121 }; 4122 Arrays.sort(overlayArray, cmp); 4123 4124 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4125 int i = 0; 4126 for (PackageParser.Package p : overlayArray) { 4127 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 4128 } 4129 return true; 4130 } 4131 4132 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4133 String[] files = dir.list(); 4134 if (files == null) { 4135 Log.d(TAG, "No files in app dir " + dir); 4136 return; 4137 } 4138 4139 if (DEBUG_PACKAGE_SCANNING) { 4140 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4141 + " flags=0x" + Integer.toHexString(flags)); 4142 } 4143 4144 int i; 4145 for (i=0; i<files.length; i++) { 4146 File file = new File(dir, files[i]); 4147 if (!isPackageFilename(files[i])) { 4148 // Ignore entries which are not apk's 4149 continue; 4150 } 4151 PackageParser.Package pkg = scanPackageLI(file, 4152 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null, null); 4153 // Don't mess around with apps in system partition. 4154 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4155 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 4156 // Delete the apk 4157 Slog.w(TAG, "Cleaning up failed install of " + file); 4158 file.delete(); 4159 } 4160 } 4161 } 4162 4163 private static File getSettingsProblemFile() { 4164 File dataDir = Environment.getDataDirectory(); 4165 File systemDir = new File(dataDir, "system"); 4166 File fname = new File(systemDir, "uiderrors.txt"); 4167 return fname; 4168 } 4169 4170 static void reportSettingsProblem(int priority, String msg) { 4171 try { 4172 File fname = getSettingsProblemFile(); 4173 FileOutputStream out = new FileOutputStream(fname, true); 4174 PrintWriter pw = new FastPrintWriter(out); 4175 SimpleDateFormat formatter = new SimpleDateFormat(); 4176 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4177 pw.println(dateString + ": " + msg); 4178 pw.close(); 4179 FileUtils.setPermissions( 4180 fname.toString(), 4181 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4182 -1, -1); 4183 } catch (java.io.IOException e) { 4184 } 4185 Slog.println(priority, TAG, msg); 4186 } 4187 4188 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 4189 PackageParser.Package pkg, File srcFile, int parseFlags) { 4190 if (ps != null 4191 && ps.codePath.equals(srcFile) 4192 && ps.timeStamp == srcFile.lastModified() 4193 && !isCompatSignatureUpdateNeeded(pkg)) { 4194 if (ps.signatures.mSignatures != null 4195 && ps.signatures.mSignatures.length != 0) { 4196 // Optimization: reuse the existing cached certificates 4197 // if the package appears to be unchanged. 4198 pkg.mSignatures = ps.signatures.mSignatures; 4199 return true; 4200 } 4201 4202 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4203 } else { 4204 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4205 } 4206 4207 if (!pp.collectCertificates(pkg, parseFlags)) { 4208 mLastScanError = pp.getParseError(); 4209 return false; 4210 } 4211 return true; 4212 } 4213 4214 /* 4215 * Scan a package and return the newly parsed package. 4216 * Returns null in case of errors and the error code is stored in mLastScanError 4217 */ 4218 private PackageParser.Package scanPackageLI(File scanFile, 4219 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4220 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4221 String scanPath = scanFile.getPath(); 4222 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4223 parseFlags |= mDefParseFlags; 4224 PackageParser pp = new PackageParser(scanPath); 4225 pp.setSeparateProcesses(mSeparateProcesses); 4226 pp.setOnlyCoreApps(mOnlyCore); 4227 final PackageParser.Package pkg = pp.parsePackage(scanFile, 4228 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 4229 4230 if (pkg == null) { 4231 mLastScanError = pp.getParseError(); 4232 return null; 4233 } 4234 4235 PackageSetting ps = null; 4236 PackageSetting updatedPkg; 4237 // reader 4238 synchronized (mPackages) { 4239 // Look to see if we already know about this package. 4240 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4241 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4242 // This package has been renamed to its original name. Let's 4243 // use that. 4244 ps = mSettings.peekPackageLPr(oldName); 4245 } 4246 // If there was no original package, see one for the real package name. 4247 if (ps == null) { 4248 ps = mSettings.peekPackageLPr(pkg.packageName); 4249 } 4250 // Check to see if this package could be hiding/updating a system 4251 // package. Must look for it either under the original or real 4252 // package name depending on our state. 4253 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4254 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4255 } 4256 boolean updatedPkgBetter = false; 4257 // First check if this is a system package that may involve an update 4258 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4259 if (ps != null && !ps.codePath.equals(scanFile)) { 4260 // The path has changed from what was last scanned... check the 4261 // version of the new path against what we have stored to determine 4262 // what to do. 4263 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4264 if (pkg.mVersionCode < ps.versionCode) { 4265 // The system package has been updated and the code path does not match 4266 // Ignore entry. Skip it. 4267 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4268 + " ignored: updated version " + ps.versionCode 4269 + " better than this " + pkg.mVersionCode); 4270 if (!updatedPkg.codePath.equals(scanFile)) { 4271 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4272 + ps.name + " changing from " + updatedPkg.codePathString 4273 + " to " + scanFile); 4274 updatedPkg.codePath = scanFile; 4275 updatedPkg.codePathString = scanFile.toString(); 4276 // This is the point at which we know that the system-disk APK 4277 // for this package has moved during a reboot (e.g. due to an OTA), 4278 // so we need to reevaluate it for privilege policy. 4279 if (locationIsPrivileged(scanFile)) { 4280 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4281 } 4282 } 4283 updatedPkg.pkg = pkg; 4284 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4285 return null; 4286 } else { 4287 // The current app on the system partition is better than 4288 // what we have updated to on the data partition; switch 4289 // back to the system partition version. 4290 // At this point, its safely assumed that package installation for 4291 // apps in system partition will go through. If not there won't be a working 4292 // version of the app 4293 // writer 4294 synchronized (mPackages) { 4295 // Just remove the loaded entries from package lists. 4296 mPackages.remove(ps.name); 4297 } 4298 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4299 + "reverting from " + ps.codePathString 4300 + ": new version " + pkg.mVersionCode 4301 + " better than installed " + ps.versionCode); 4302 4303 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4304 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4305 getAppInstructionSetFromSettings(ps)); 4306 synchronized (mInstallLock) { 4307 args.cleanUpResourcesLI(); 4308 } 4309 synchronized (mPackages) { 4310 mSettings.enableSystemPackageLPw(ps.name); 4311 } 4312 updatedPkgBetter = true; 4313 } 4314 } 4315 } 4316 4317 if (updatedPkg != null) { 4318 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4319 // initially 4320 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4321 4322 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4323 // flag set initially 4324 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4325 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4326 } 4327 } 4328 // Verify certificates against what was last scanned 4329 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4330 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4331 return null; 4332 } 4333 4334 /* 4335 * A new system app appeared, but we already had a non-system one of the 4336 * same name installed earlier. 4337 */ 4338 boolean shouldHideSystemApp = false; 4339 if (updatedPkg == null && ps != null 4340 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4341 /* 4342 * Check to make sure the signatures match first. If they don't, 4343 * wipe the installed application and its data. 4344 */ 4345 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4346 != PackageManager.SIGNATURE_MATCH) { 4347 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4348 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4349 ps = null; 4350 } else { 4351 /* 4352 * If the newly-added system app is an older version than the 4353 * already installed version, hide it. It will be scanned later 4354 * and re-added like an update. 4355 */ 4356 if (pkg.mVersionCode < ps.versionCode) { 4357 shouldHideSystemApp = true; 4358 } else { 4359 /* 4360 * The newly found system app is a newer version that the 4361 * one previously installed. Simply remove the 4362 * already-installed application and replace it with our own 4363 * while keeping the application data. 4364 */ 4365 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4366 + ps.codePathString + ": new version " + pkg.mVersionCode 4367 + " better than installed " + ps.versionCode); 4368 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4369 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4370 getAppInstructionSetFromSettings(ps)); 4371 synchronized (mInstallLock) { 4372 args.cleanUpResourcesLI(); 4373 } 4374 } 4375 } 4376 } 4377 4378 // The apk is forward locked (not public) if its code and resources 4379 // are kept in different files. (except for app in either system or 4380 // vendor path). 4381 // TODO grab this value from PackageSettings 4382 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4383 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4384 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4385 } 4386 } 4387 4388 String codePath = null; 4389 String resPath = null; 4390 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4391 if (ps != null && ps.resourcePathString != null) { 4392 resPath = ps.resourcePathString; 4393 } else { 4394 // Should not happen at all. Just log an error. 4395 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4396 } 4397 } else { 4398 resPath = pkg.mScanPath; 4399 } 4400 4401 codePath = pkg.mScanPath; 4402 // Set application objects path explicitly. 4403 setApplicationInfoPaths(pkg, codePath, resPath); 4404 // Note that we invoke the following method only if we are about to unpack an application 4405 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4406 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4407 4408 /* 4409 * If the system app should be overridden by a previously installed 4410 * data, hide the system app now and let the /data/app scan pick it up 4411 * again. 4412 */ 4413 if (shouldHideSystemApp) { 4414 synchronized (mPackages) { 4415 /* 4416 * We have to grant systems permissions before we hide, because 4417 * grantPermissions will assume the package update is trying to 4418 * expand its permissions. 4419 */ 4420 grantPermissionsLPw(pkg, true); 4421 mSettings.disableSystemPackageLPw(pkg.packageName); 4422 } 4423 } 4424 4425 return scannedPkg; 4426 } 4427 4428 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4429 String destResPath) { 4430 pkg.mPath = pkg.mScanPath = destCodePath; 4431 pkg.applicationInfo.sourceDir = destCodePath; 4432 pkg.applicationInfo.publicSourceDir = destResPath; 4433 } 4434 4435 private static String fixProcessName(String defProcessName, 4436 String processName, int uid) { 4437 if (processName == null) { 4438 return defProcessName; 4439 } 4440 return processName; 4441 } 4442 4443 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4444 if (pkgSetting.signatures.mSignatures != null) { 4445 // Already existing package. Make sure signatures match 4446 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4447 == PackageManager.SIGNATURE_MATCH; 4448 if (!match) { 4449 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4450 == PackageManager.SIGNATURE_MATCH; 4451 } 4452 if (!match) { 4453 Slog.e(TAG, "Package " + pkg.packageName 4454 + " signatures do not match the previously installed version; ignoring!"); 4455 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4456 return false; 4457 } 4458 } 4459 // Check for shared user signatures 4460 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4461 // Already existing package. Make sure signatures match 4462 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4463 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4464 if (!match) { 4465 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4466 == PackageManager.SIGNATURE_MATCH; 4467 } 4468 if (!match) { 4469 Slog.e(TAG, "Package " + pkg.packageName 4470 + " has no signatures that match those in shared user " 4471 + pkgSetting.sharedUser.name + "; ignoring!"); 4472 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4473 return false; 4474 } 4475 } 4476 return true; 4477 } 4478 4479 /** 4480 * Enforces that only the system UID or root's UID can call a method exposed 4481 * via Binder. 4482 * 4483 * @param message used as message if SecurityException is thrown 4484 * @throws SecurityException if the caller is not system or root 4485 */ 4486 private static final void enforceSystemOrRoot(String message) { 4487 final int uid = Binder.getCallingUid(); 4488 if (uid != Process.SYSTEM_UID && uid != 0) { 4489 throw new SecurityException(message); 4490 } 4491 } 4492 4493 @Override 4494 public void performBootDexOpt() { 4495 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4496 4497 final HashSet<PackageParser.Package> pkgs; 4498 synchronized (mPackages) { 4499 pkgs = mDeferredDexOpt; 4500 mDeferredDexOpt = null; 4501 } 4502 4503 if (pkgs != null) { 4504 // Filter out packages that aren't recently used. 4505 // 4506 // The exception is first boot of a non-eng device, which 4507 // should do a full dexopt. 4508 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4509 if (eng || !isFirstBoot()) { 4510 // TODO: add a property to control this? 4511 long dexOptLRUThresholdInMinutes; 4512 if (eng) { 4513 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4514 } else { 4515 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4516 } 4517 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4518 4519 int total = pkgs.size(); 4520 int skipped = 0; 4521 long now = System.currentTimeMillis(); 4522 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4523 PackageParser.Package pkg = i.next(); 4524 long then = pkg.mLastPackageUsageTimeInMills; 4525 if (then + dexOptLRUThresholdInMills < now) { 4526 if (DEBUG_DEXOPT) { 4527 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4528 ((then == 0) ? "never" : new Date(then))); 4529 } 4530 i.remove(); 4531 skipped++; 4532 } 4533 } 4534 if (DEBUG_DEXOPT) { 4535 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4536 } 4537 } 4538 4539 int i = 0; 4540 for (PackageParser.Package pkg : pkgs) { 4541 i++; 4542 if (DEBUG_DEXOPT) { 4543 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4544 + ": " + pkg.packageName); 4545 } 4546 if (!isFirstBoot()) { 4547 try { 4548 ActivityManagerNative.getDefault().showBootMessage( 4549 mContext.getResources().getString( 4550 R.string.android_upgrading_apk, 4551 i, pkgs.size()), true); 4552 } catch (RemoteException e) { 4553 } 4554 } 4555 PackageParser.Package p = pkg; 4556 synchronized (mInstallLock) { 4557 if (p.mDexOptNeeded) { 4558 performDexOptLI(p, false /* force dex */, false /* defer */, 4559 true /* include dependencies */); 4560 } 4561 } 4562 } 4563 } 4564 } 4565 4566 @Override 4567 public boolean performDexOpt(String packageName) { 4568 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4569 return performDexOpt(packageName, true); 4570 } 4571 4572 public boolean performDexOpt(String packageName, boolean updateUsage) { 4573 4574 PackageParser.Package p; 4575 synchronized (mPackages) { 4576 p = mPackages.get(packageName); 4577 if (p == null) { 4578 return false; 4579 } 4580 if (updateUsage) { 4581 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4582 } 4583 mPackageUsage.write(false); 4584 if (!p.mDexOptNeeded) { 4585 return false; 4586 } 4587 } 4588 4589 synchronized (mInstallLock) { 4590 return performDexOptLI(p, false /* force dex */, false /* defer */, 4591 true /* include dependencies */) == DEX_OPT_PERFORMED; 4592 } 4593 } 4594 4595 public HashSet<String> getPackagesThatNeedDexOpt() { 4596 HashSet<String> pkgs = null; 4597 synchronized (mPackages) { 4598 for (PackageParser.Package p : mPackages.values()) { 4599 if (DEBUG_DEXOPT) { 4600 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4601 } 4602 if (!p.mDexOptNeeded) { 4603 continue; 4604 } 4605 if (pkgs == null) { 4606 pkgs = new HashSet<String>(); 4607 } 4608 pkgs.add(p.packageName); 4609 } 4610 } 4611 return pkgs; 4612 } 4613 4614 public void shutdown() { 4615 mPackageUsage.write(true); 4616 } 4617 4618 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4619 boolean forceDex, boolean defer, HashSet<String> done) { 4620 for (int i=0; i<libs.size(); i++) { 4621 PackageParser.Package libPkg; 4622 String libName; 4623 synchronized (mPackages) { 4624 libName = libs.get(i); 4625 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4626 if (lib != null && lib.apk != null) { 4627 libPkg = mPackages.get(lib.apk); 4628 } else { 4629 libPkg = null; 4630 } 4631 } 4632 if (libPkg != null && !done.contains(libName)) { 4633 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4634 } 4635 } 4636 } 4637 4638 static final int DEX_OPT_SKIPPED = 0; 4639 static final int DEX_OPT_PERFORMED = 1; 4640 static final int DEX_OPT_DEFERRED = 2; 4641 static final int DEX_OPT_FAILED = -1; 4642 4643 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4644 boolean forceDex, boolean defer, HashSet<String> done) { 4645 final String instructionSet = instructionSetOverride != null ? 4646 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4647 4648 if (done != null) { 4649 done.add(pkg.packageName); 4650 if (pkg.usesLibraries != null) { 4651 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4652 } 4653 if (pkg.usesOptionalLibraries != null) { 4654 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4655 } 4656 } 4657 4658 boolean performed = false; 4659 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4660 String path = pkg.mScanPath; 4661 try { 4662 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4663 pkg.packageName, 4664 instructionSet, 4665 defer); 4666 // There are three basic cases here: 4667 // 1.) we need to dexopt, either because we are forced or it is needed 4668 // 2.) we are defering a needed dexopt 4669 // 3.) we are skipping an unneeded dexopt 4670 if (forceDex || (!defer && isDexOptNeededInternal)) { 4671 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4672 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4673 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4674 pkg.packageName, instructionSet); 4675 // Note that we ran dexopt, since rerunning will 4676 // probably just result in an error again. 4677 pkg.mDexOptNeeded = false; 4678 if (ret < 0) { 4679 return DEX_OPT_FAILED; 4680 } 4681 return DEX_OPT_PERFORMED; 4682 } 4683 if (defer && isDexOptNeededInternal) { 4684 if (mDeferredDexOpt == null) { 4685 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4686 } 4687 mDeferredDexOpt.add(pkg); 4688 return DEX_OPT_DEFERRED; 4689 } 4690 pkg.mDexOptNeeded = false; 4691 return DEX_OPT_SKIPPED; 4692 } catch (FileNotFoundException e) { 4693 Slog.w(TAG, "Apk not found for dexopt: " + path); 4694 return DEX_OPT_FAILED; 4695 } catch (IOException e) { 4696 Slog.w(TAG, "IOException reading apk: " + path, e); 4697 return DEX_OPT_FAILED; 4698 } catch (StaleDexCacheError e) { 4699 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4700 return DEX_OPT_FAILED; 4701 } catch (Exception e) { 4702 Slog.w(TAG, "Exception when doing dexopt : ", e); 4703 return DEX_OPT_FAILED; 4704 } 4705 } 4706 return DEX_OPT_SKIPPED; 4707 } 4708 4709 private String getAppInstructionSet(ApplicationInfo info) { 4710 String instructionSet = getPreferredInstructionSet(); 4711 4712 if (info.cpuAbi != null) { 4713 instructionSet = VMRuntime.getInstructionSet(info.cpuAbi); 4714 } 4715 4716 return instructionSet; 4717 } 4718 4719 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4720 String instructionSet = getPreferredInstructionSet(); 4721 4722 if (ps.cpuAbiString != null) { 4723 instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 4724 } 4725 4726 return instructionSet; 4727 } 4728 4729 private static String getPreferredInstructionSet() { 4730 if (sPreferredInstructionSet == null) { 4731 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4732 } 4733 4734 return sPreferredInstructionSet; 4735 } 4736 4737 private static List<String> getAllInstructionSets() { 4738 final String[] allAbis = Build.SUPPORTED_ABIS; 4739 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4740 4741 for (String abi : allAbis) { 4742 final String instructionSet = VMRuntime.getInstructionSet(abi); 4743 if (!allInstructionSets.contains(instructionSet)) { 4744 allInstructionSets.add(instructionSet); 4745 } 4746 } 4747 4748 return allInstructionSets; 4749 } 4750 4751 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4752 boolean inclDependencies) { 4753 HashSet<String> done; 4754 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4755 done = new HashSet<String>(); 4756 done.add(pkg.packageName); 4757 } else { 4758 done = null; 4759 } 4760 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4761 } 4762 4763 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4764 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4765 Slog.w(TAG, "Unable to update from " + oldPkg.name 4766 + " to " + newPkg.packageName 4767 + ": old package not in system partition"); 4768 return false; 4769 } else if (mPackages.get(oldPkg.name) != null) { 4770 Slog.w(TAG, "Unable to update from " + oldPkg.name 4771 + " to " + newPkg.packageName 4772 + ": old package still exists"); 4773 return false; 4774 } 4775 return true; 4776 } 4777 4778 File getDataPathForUser(int userId) { 4779 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4780 } 4781 4782 private File getDataPathForPackage(String packageName, int userId) { 4783 /* 4784 * Until we fully support multiple users, return the directory we 4785 * previously would have. The PackageManagerTests will need to be 4786 * revised when this is changed back.. 4787 */ 4788 if (userId == 0) { 4789 return new File(mAppDataDir, packageName); 4790 } else { 4791 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4792 + File.separator + packageName); 4793 } 4794 } 4795 4796 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4797 int[] users = sUserManager.getUserIds(); 4798 int res = mInstaller.install(packageName, uid, uid, seinfo); 4799 if (res < 0) { 4800 return res; 4801 } 4802 for (int user : users) { 4803 if (user != 0) { 4804 res = mInstaller.createUserData(packageName, 4805 UserHandle.getUid(user, uid), user, seinfo); 4806 if (res < 0) { 4807 return res; 4808 } 4809 } 4810 } 4811 return res; 4812 } 4813 4814 private int removeDataDirsLI(String packageName) { 4815 int[] users = sUserManager.getUserIds(); 4816 int res = 0; 4817 for (int user : users) { 4818 int resInner = mInstaller.remove(packageName, user); 4819 if (resInner < 0) { 4820 res = resInner; 4821 } 4822 } 4823 4824 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4825 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4826 if (!nativeLibraryFile.delete()) { 4827 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4828 } 4829 4830 return res; 4831 } 4832 4833 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4834 PackageParser.Package changingLib) { 4835 if (file.path != null) { 4836 mTmpSharedLibraries[num] = file.path; 4837 return num+1; 4838 } 4839 PackageParser.Package p = mPackages.get(file.apk); 4840 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4841 // If we are doing this while in the middle of updating a library apk, 4842 // then we need to make sure to use that new apk for determining the 4843 // dependencies here. (We haven't yet finished committing the new apk 4844 // to the package manager state.) 4845 if (p == null || p.packageName.equals(changingLib.packageName)) { 4846 p = changingLib; 4847 } 4848 } 4849 if (p != null) { 4850 String path = p.mPath; 4851 for (int i=0; i<num; i++) { 4852 if (mTmpSharedLibraries[i].equals(path)) { 4853 return num; 4854 } 4855 } 4856 mTmpSharedLibraries[num] = p.mPath; 4857 return num+1; 4858 } 4859 return num; 4860 } 4861 4862 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4863 PackageParser.Package changingLib) { 4864 // We might be upgrading from a version of the platform that did not 4865 // provide per-package native library directories for system apps. 4866 // Fix that up here. 4867 if (isSystemApp(pkg)) { 4868 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4869 setInternalAppNativeLibraryPath(pkg, ps); 4870 } 4871 4872 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4873 if (mTmpSharedLibraries == null || 4874 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4875 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4876 } 4877 int num = 0; 4878 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4879 for (int i=0; i<N; i++) { 4880 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4881 if (file == null) { 4882 Slog.e(TAG, "Package " + pkg.packageName 4883 + " requires unavailable shared library " 4884 + pkg.usesLibraries.get(i) + "; failing!"); 4885 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4886 return false; 4887 } 4888 num = addSharedLibraryLPw(file, num, changingLib); 4889 } 4890 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4891 for (int i=0; i<N; i++) { 4892 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4893 if (file == null) { 4894 Slog.w(TAG, "Package " + pkg.packageName 4895 + " desires unavailable shared library " 4896 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4897 } else { 4898 num = addSharedLibraryLPw(file, num, changingLib); 4899 } 4900 } 4901 if (num > 0) { 4902 pkg.usesLibraryFiles = new String[num]; 4903 System.arraycopy(mTmpSharedLibraries, 0, 4904 pkg.usesLibraryFiles, 0, num); 4905 } else { 4906 pkg.usesLibraryFiles = null; 4907 } 4908 } 4909 return true; 4910 } 4911 4912 private static boolean hasString(List<String> list, List<String> which) { 4913 if (list == null) { 4914 return false; 4915 } 4916 for (int i=list.size()-1; i>=0; i--) { 4917 for (int j=which.size()-1; j>=0; j--) { 4918 if (which.get(j).equals(list.get(i))) { 4919 return true; 4920 } 4921 } 4922 } 4923 return false; 4924 } 4925 4926 private void updateAllSharedLibrariesLPw() { 4927 for (PackageParser.Package pkg : mPackages.values()) { 4928 updateSharedLibrariesLPw(pkg, null); 4929 } 4930 } 4931 4932 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4933 PackageParser.Package changingPkg) { 4934 ArrayList<PackageParser.Package> res = null; 4935 for (PackageParser.Package pkg : mPackages.values()) { 4936 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4937 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4938 if (res == null) { 4939 res = new ArrayList<PackageParser.Package>(); 4940 } 4941 res.add(pkg); 4942 updateSharedLibrariesLPw(pkg, changingPkg); 4943 } 4944 } 4945 return res; 4946 } 4947 4948 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4949 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4950 File scanFile = new File(pkg.mScanPath); 4951 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4952 pkg.applicationInfo.publicSourceDir == null) { 4953 // Bail out. The resource and code paths haven't been set. 4954 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4955 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4956 return null; 4957 } 4958 4959 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4960 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4961 } 4962 4963 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4964 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4965 } 4966 4967 if (mCustomResolverComponentName != null && 4968 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4969 setUpCustomResolverActivity(pkg); 4970 } 4971 4972 if (pkg.packageName.equals("android")) { 4973 synchronized (mPackages) { 4974 if (mAndroidApplication != null) { 4975 Slog.w(TAG, "*************************************************"); 4976 Slog.w(TAG, "Core android package being redefined. Skipping."); 4977 Slog.w(TAG, " file=" + scanFile); 4978 Slog.w(TAG, "*************************************************"); 4979 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4980 return null; 4981 } 4982 4983 // Set up information for our fall-back user intent resolution activity. 4984 mPlatformPackage = pkg; 4985 pkg.mVersionCode = mSdkVersion; 4986 mAndroidApplication = pkg.applicationInfo; 4987 4988 if (!mResolverReplaced) { 4989 mResolveActivity.applicationInfo = mAndroidApplication; 4990 mResolveActivity.name = ResolverActivity.class.getName(); 4991 mResolveActivity.packageName = mAndroidApplication.packageName; 4992 mResolveActivity.processName = "system:ui"; 4993 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4994 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 4995 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4996 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4997 mResolveActivity.exported = true; 4998 mResolveActivity.enabled = true; 4999 mResolveInfo.activityInfo = mResolveActivity; 5000 mResolveInfo.priority = 0; 5001 mResolveInfo.preferredOrder = 0; 5002 mResolveInfo.match = 0; 5003 mResolveComponentName = new ComponentName( 5004 mAndroidApplication.packageName, mResolveActivity.name); 5005 } 5006 } 5007 } 5008 5009 if (DEBUG_PACKAGE_SCANNING) { 5010 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5011 Log.d(TAG, "Scanning package " + pkg.packageName); 5012 } 5013 5014 if (mPackages.containsKey(pkg.packageName) 5015 || mSharedLibraries.containsKey(pkg.packageName)) { 5016 Slog.w(TAG, "Application package " + pkg.packageName 5017 + " already installed. Skipping duplicate."); 5018 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 5019 return null; 5020 } 5021 5022 // Initialize package source and resource directories 5023 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 5024 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 5025 5026 SharedUserSetting suid = null; 5027 PackageSetting pkgSetting = null; 5028 5029 if (!isSystemApp(pkg)) { 5030 // Only system apps can use these features. 5031 pkg.mOriginalPackages = null; 5032 pkg.mRealPackage = null; 5033 pkg.mAdoptPermissions = null; 5034 } 5035 5036 // writer 5037 synchronized (mPackages) { 5038 if (pkg.mSharedUserId != null) { 5039 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5040 if (suid == null) { 5041 Slog.w(TAG, "Creating application package " + pkg.packageName 5042 + " for shared user failed"); 5043 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5044 return null; 5045 } 5046 if (DEBUG_PACKAGE_SCANNING) { 5047 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5048 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5049 + "): packages=" + suid.packages); 5050 } 5051 } 5052 5053 // Check if we are renaming from an original package name. 5054 PackageSetting origPackage = null; 5055 String realName = null; 5056 if (pkg.mOriginalPackages != null) { 5057 // This package may need to be renamed to a previously 5058 // installed name. Let's check on that... 5059 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5060 if (pkg.mOriginalPackages.contains(renamed)) { 5061 // This package had originally been installed as the 5062 // original name, and we have already taken care of 5063 // transitioning to the new one. Just update the new 5064 // one to continue using the old name. 5065 realName = pkg.mRealPackage; 5066 if (!pkg.packageName.equals(renamed)) { 5067 // Callers into this function may have already taken 5068 // care of renaming the package; only do it here if 5069 // it is not already done. 5070 pkg.setPackageName(renamed); 5071 } 5072 5073 } else { 5074 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5075 if ((origPackage = mSettings.peekPackageLPr( 5076 pkg.mOriginalPackages.get(i))) != null) { 5077 // We do have the package already installed under its 5078 // original name... should we use it? 5079 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5080 // New package is not compatible with original. 5081 origPackage = null; 5082 continue; 5083 } else if (origPackage.sharedUser != null) { 5084 // Make sure uid is compatible between packages. 5085 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5086 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5087 + " to " + pkg.packageName + ": old uid " 5088 + origPackage.sharedUser.name 5089 + " differs from " + pkg.mSharedUserId); 5090 origPackage = null; 5091 continue; 5092 } 5093 } else { 5094 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5095 + pkg.packageName + " to old name " + origPackage.name); 5096 } 5097 break; 5098 } 5099 } 5100 } 5101 } 5102 5103 if (mTransferedPackages.contains(pkg.packageName)) { 5104 Slog.w(TAG, "Package " + pkg.packageName 5105 + " was transferred to another, but its .apk remains"); 5106 } 5107 5108 // Just create the setting, don't add it yet. For already existing packages 5109 // the PkgSetting exists already and doesn't have to be created. 5110 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5111 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 5112 pkg.applicationInfo.cpuAbi, 5113 pkg.applicationInfo.flags, user, false); 5114 if (pkgSetting == null) { 5115 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5116 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5117 return null; 5118 } 5119 5120 if (pkgSetting.origPackage != null) { 5121 // If we are first transitioning from an original package, 5122 // fix up the new package's name now. We need to do this after 5123 // looking up the package under its new name, so getPackageLP 5124 // can take care of fiddling things correctly. 5125 pkg.setPackageName(origPackage.name); 5126 5127 // File a report about this. 5128 String msg = "New package " + pkgSetting.realName 5129 + " renamed to replace old package " + pkgSetting.name; 5130 reportSettingsProblem(Log.WARN, msg); 5131 5132 // Make a note of it. 5133 mTransferedPackages.add(origPackage.name); 5134 5135 // No longer need to retain this. 5136 pkgSetting.origPackage = null; 5137 } 5138 5139 if (realName != null) { 5140 // Make a note of it. 5141 mTransferedPackages.add(pkg.packageName); 5142 } 5143 5144 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5145 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5146 } 5147 5148 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5149 // Check all shared libraries and map to their actual file path. 5150 // We only do this here for apps not on a system dir, because those 5151 // are the only ones that can fail an install due to this. We 5152 // will take care of the system apps by updating all of their 5153 // library paths after the scan is done. 5154 if (!updateSharedLibrariesLPw(pkg, null)) { 5155 return null; 5156 } 5157 } 5158 5159 if (mFoundPolicyFile) { 5160 SELinuxMMAC.assignSeinfoValue(pkg); 5161 } 5162 5163 pkg.applicationInfo.uid = pkgSetting.appId; 5164 pkg.mExtras = pkgSetting; 5165 5166 if (!verifySignaturesLP(pkgSetting, pkg)) { 5167 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5168 return null; 5169 } 5170 // The signature has changed, but this package is in the system 5171 // image... let's recover! 5172 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5173 // However... if this package is part of a shared user, but it 5174 // doesn't match the signature of the shared user, let's fail. 5175 // What this means is that you can't change the signatures 5176 // associated with an overall shared user, which doesn't seem all 5177 // that unreasonable. 5178 if (pkgSetting.sharedUser != null) { 5179 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5180 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5181 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5182 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5183 return null; 5184 } 5185 } 5186 // File a report about this. 5187 String msg = "System package " + pkg.packageName 5188 + " signature changed; retaining data."; 5189 reportSettingsProblem(Log.WARN, msg); 5190 } 5191 5192 // Verify that this new package doesn't have any content providers 5193 // that conflict with existing packages. Only do this if the 5194 // package isn't already installed, since we don't want to break 5195 // things that are installed. 5196 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5197 final int N = pkg.providers.size(); 5198 int i; 5199 for (i=0; i<N; i++) { 5200 PackageParser.Provider p = pkg.providers.get(i); 5201 if (p.info.authority != null) { 5202 String names[] = p.info.authority.split(";"); 5203 for (int j = 0; j < names.length; j++) { 5204 if (mProvidersByAuthority.containsKey(names[j])) { 5205 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5206 Slog.w(TAG, "Can't install because provider name " + names[j] + 5207 " (in package " + pkg.applicationInfo.packageName + 5208 ") is already used by " 5209 + ((other != null && other.getComponentName() != null) 5210 ? other.getComponentName().getPackageName() : "?")); 5211 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5212 return null; 5213 } 5214 } 5215 } 5216 } 5217 } 5218 5219 if (pkg.mAdoptPermissions != null) { 5220 // This package wants to adopt ownership of permissions from 5221 // another package. 5222 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5223 final String origName = pkg.mAdoptPermissions.get(i); 5224 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5225 if (orig != null) { 5226 if (verifyPackageUpdateLPr(orig, pkg)) { 5227 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5228 + pkg.packageName); 5229 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5230 } 5231 } 5232 } 5233 } 5234 } 5235 5236 final String pkgName = pkg.packageName; 5237 5238 final long scanFileTime = scanFile.lastModified(); 5239 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5240 pkg.applicationInfo.processName = fixProcessName( 5241 pkg.applicationInfo.packageName, 5242 pkg.applicationInfo.processName, 5243 pkg.applicationInfo.uid); 5244 5245 File dataPath; 5246 if (mPlatformPackage == pkg) { 5247 // The system package is special. 5248 dataPath = new File (Environment.getDataDirectory(), "system"); 5249 pkg.applicationInfo.dataDir = dataPath.getPath(); 5250 } else { 5251 // This is a normal package, need to make its data directory. 5252 dataPath = getDataPathForPackage(pkg.packageName, 0); 5253 5254 boolean uidError = false; 5255 5256 if (dataPath.exists()) { 5257 int currentUid = 0; 5258 try { 5259 StructStat stat = Os.stat(dataPath.getPath()); 5260 currentUid = stat.st_uid; 5261 } catch (ErrnoException e) { 5262 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5263 } 5264 5265 // If we have mismatched owners for the data path, we have a problem. 5266 if (currentUid != pkg.applicationInfo.uid) { 5267 boolean recovered = false; 5268 if (currentUid == 0) { 5269 // The directory somehow became owned by root. Wow. 5270 // This is probably because the system was stopped while 5271 // installd was in the middle of messing with its libs 5272 // directory. Ask installd to fix that. 5273 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5274 pkg.applicationInfo.uid); 5275 if (ret >= 0) { 5276 recovered = true; 5277 String msg = "Package " + pkg.packageName 5278 + " unexpectedly changed to uid 0; recovered to " + 5279 + pkg.applicationInfo.uid; 5280 reportSettingsProblem(Log.WARN, msg); 5281 } 5282 } 5283 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5284 || (scanMode&SCAN_BOOTING) != 0)) { 5285 // If this is a system app, we can at least delete its 5286 // current data so the application will still work. 5287 int ret = removeDataDirsLI(pkgName); 5288 if (ret >= 0) { 5289 // TODO: Kill the processes first 5290 // Old data gone! 5291 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5292 ? "System package " : "Third party package "; 5293 String msg = prefix + pkg.packageName 5294 + " has changed from uid: " 5295 + currentUid + " to " 5296 + pkg.applicationInfo.uid + "; old data erased"; 5297 reportSettingsProblem(Log.WARN, msg); 5298 recovered = true; 5299 5300 // And now re-install the app. 5301 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5302 pkg.applicationInfo.seinfo); 5303 if (ret == -1) { 5304 // Ack should not happen! 5305 msg = prefix + pkg.packageName 5306 + " could not have data directory re-created after delete."; 5307 reportSettingsProblem(Log.WARN, msg); 5308 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5309 return null; 5310 } 5311 } 5312 if (!recovered) { 5313 mHasSystemUidErrors = true; 5314 } 5315 } else if (!recovered) { 5316 // If we allow this install to proceed, we will be broken. 5317 // Abort, abort! 5318 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5319 return null; 5320 } 5321 if (!recovered) { 5322 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5323 + pkg.applicationInfo.uid + "/fs_" 5324 + currentUid; 5325 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5326 String msg = "Package " + pkg.packageName 5327 + " has mismatched uid: " 5328 + currentUid + " on disk, " 5329 + pkg.applicationInfo.uid + " in settings"; 5330 // writer 5331 synchronized (mPackages) { 5332 mSettings.mReadMessages.append(msg); 5333 mSettings.mReadMessages.append('\n'); 5334 uidError = true; 5335 if (!pkgSetting.uidError) { 5336 reportSettingsProblem(Log.ERROR, msg); 5337 } 5338 } 5339 } 5340 } 5341 pkg.applicationInfo.dataDir = dataPath.getPath(); 5342 if (mShouldRestoreconData) { 5343 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5344 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5345 pkg.applicationInfo.uid); 5346 } 5347 } else { 5348 if (DEBUG_PACKAGE_SCANNING) { 5349 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5350 Log.v(TAG, "Want this data dir: " + dataPath); 5351 } 5352 //invoke installer to do the actual installation 5353 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5354 pkg.applicationInfo.seinfo); 5355 if (ret < 0) { 5356 // Error from installer 5357 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5358 return null; 5359 } 5360 5361 if (dataPath.exists()) { 5362 pkg.applicationInfo.dataDir = dataPath.getPath(); 5363 } else { 5364 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5365 pkg.applicationInfo.dataDir = null; 5366 } 5367 } 5368 5369 /* 5370 * Set the data dir to the default "/data/data/<package name>/lib" 5371 * if we got here without anyone telling us different (e.g., apps 5372 * stored on SD card have their native libraries stored in the ASEC 5373 * container with the APK). 5374 * 5375 * This happens during an upgrade from a package settings file that 5376 * doesn't have a native library path attribute at all. 5377 */ 5378 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5379 if (pkgSetting.nativeLibraryPathString == null) { 5380 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5381 } else { 5382 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5383 } 5384 } 5385 pkgSetting.uidError = uidError; 5386 } 5387 5388 String path = scanFile.getPath(); 5389 /* Note: We don't want to unpack the native binaries for 5390 * system applications, unless they have been updated 5391 * (the binaries are already under /system/lib). 5392 * Also, don't unpack libs for apps on the external card 5393 * since they should have their libraries in the ASEC 5394 * container already. 5395 * 5396 * In other words, we're going to unpack the binaries 5397 * only for non-system apps and system app upgrades. 5398 */ 5399 if (pkg.applicationInfo.nativeLibraryDir != null) { 5400 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5401 try { 5402 // Enable gross and lame hacks for apps that are built with old 5403 // SDK tools. We must scan their APKs for renderscript bitcode and 5404 // not launch them if it's present. Don't bother checking on devices 5405 // that don't have 64 bit support. 5406 String[] abiList = Build.SUPPORTED_ABIS; 5407 boolean hasLegacyRenderscriptBitcode = false; 5408 if (abiOverride != null) { 5409 abiList = new String[] { abiOverride }; 5410 } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 5411 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5412 abiList = Build.SUPPORTED_32_BIT_ABIS; 5413 hasLegacyRenderscriptBitcode = true; 5414 } 5415 5416 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5417 final String dataPathString = dataPath.getCanonicalPath(); 5418 5419 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5420 /* 5421 * Upgrading from a previous version of the OS sometimes 5422 * leaves native libraries in the /data/data/<app>/lib 5423 * directory for system apps even when they shouldn't be. 5424 * Recent changes in the JNI library search path 5425 * necessitates we remove those to match previous behavior. 5426 */ 5427 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5428 Log.i(TAG, "removed obsolete native libraries for system package " 5429 + path); 5430 } 5431 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5432 pkg.applicationInfo.cpuAbi = abiList[0]; 5433 pkgSetting.cpuAbiString = abiList[0]; 5434 } else { 5435 setInternalAppAbi(pkg, pkgSetting); 5436 } 5437 } else { 5438 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5439 /* 5440 * Update native library dir if it starts with 5441 * /data/data 5442 */ 5443 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5444 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5445 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5446 } 5447 5448 try { 5449 int copyRet = copyNativeLibrariesForInternalApp(handle, 5450 nativeLibraryDir, abiList); 5451 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5452 Slog.e(TAG, "Unable to copy native libraries"); 5453 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5454 return null; 5455 } 5456 5457 // We've successfully copied native libraries across, so we make a 5458 // note of what ABI we're using 5459 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5460 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5461 } else if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5462 pkg.applicationInfo.cpuAbi = abiList[0]; 5463 } else { 5464 pkg.applicationInfo.cpuAbi = null; 5465 } 5466 } catch (IOException e) { 5467 Slog.e(TAG, "Unable to copy native libraries", e); 5468 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5469 return null; 5470 } 5471 } else { 5472 // We don't have to copy the shared libraries if we're in the ASEC container 5473 // but we still need to scan the file to figure out what ABI the app needs. 5474 // 5475 // TODO: This duplicates work done in the default container service. It's possible 5476 // to clean this up but we'll need to change the interface between this service 5477 // and IMediaContainerService (but doing so will spread this logic out, rather 5478 // than centralizing it). 5479 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5480 if (abi >= 0) { 5481 pkg.applicationInfo.cpuAbi = abiList[abi]; 5482 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5483 // Note that (non upgraded) system apps will not have any native 5484 // libraries bundled in their APK, but we're guaranteed not to be 5485 // such an app at this point. 5486 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5487 pkg.applicationInfo.cpuAbi = abiList[0]; 5488 } else { 5489 pkg.applicationInfo.cpuAbi = null; 5490 } 5491 } else { 5492 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5493 return null; 5494 } 5495 } 5496 5497 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5498 final int[] userIds = sUserManager.getUserIds(); 5499 synchronized (mInstallLock) { 5500 for (int userId : userIds) { 5501 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5502 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5503 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5504 + ")"); 5505 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5506 return null; 5507 } 5508 } 5509 } 5510 } 5511 5512 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5513 } catch (IOException ioe) { 5514 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5515 } finally { 5516 handle.close(); 5517 } 5518 } 5519 pkg.mScanPath = path; 5520 5521 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5522 // We don't do this here during boot because we can do it all 5523 // at once after scanning all existing packages. 5524 // 5525 // We also do this *before* we perform dexopt on this package, so that 5526 // we can avoid redundant dexopts, and also to make sure we've got the 5527 // code and package path correct. 5528 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5529 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5530 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5531 return null; 5532 } 5533 } 5534 5535 if ((scanMode&SCAN_NO_DEX) == 0) { 5536 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5537 == DEX_OPT_FAILED) { 5538 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5539 removeDataDirsLI(pkg.packageName); 5540 } 5541 5542 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5543 return null; 5544 } 5545 } 5546 5547 if (mFactoryTest && pkg.requestedPermissions.contains( 5548 android.Manifest.permission.FACTORY_TEST)) { 5549 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5550 } 5551 5552 ArrayList<PackageParser.Package> clientLibPkgs = null; 5553 5554 // writer 5555 synchronized (mPackages) { 5556 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5557 // Only system apps can add new shared libraries. 5558 if (pkg.libraryNames != null) { 5559 for (int i=0; i<pkg.libraryNames.size(); i++) { 5560 String name = pkg.libraryNames.get(i); 5561 boolean allowed = false; 5562 if (isUpdatedSystemApp(pkg)) { 5563 // New library entries can only be added through the 5564 // system image. This is important to get rid of a lot 5565 // of nasty edge cases: for example if we allowed a non- 5566 // system update of the app to add a library, then uninstalling 5567 // the update would make the library go away, and assumptions 5568 // we made such as through app install filtering would now 5569 // have allowed apps on the device which aren't compatible 5570 // with it. Better to just have the restriction here, be 5571 // conservative, and create many fewer cases that can negatively 5572 // impact the user experience. 5573 final PackageSetting sysPs = mSettings 5574 .getDisabledSystemPkgLPr(pkg.packageName); 5575 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5576 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5577 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5578 allowed = true; 5579 allowed = true; 5580 break; 5581 } 5582 } 5583 } 5584 } else { 5585 allowed = true; 5586 } 5587 if (allowed) { 5588 if (!mSharedLibraries.containsKey(name)) { 5589 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5590 } else if (!name.equals(pkg.packageName)) { 5591 Slog.w(TAG, "Package " + pkg.packageName + " library " 5592 + name + " already exists; skipping"); 5593 } 5594 } else { 5595 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5596 + name + " that is not declared on system image; skipping"); 5597 } 5598 } 5599 if ((scanMode&SCAN_BOOTING) == 0) { 5600 // If we are not booting, we need to update any applications 5601 // that are clients of our shared library. If we are booting, 5602 // this will all be done once the scan is complete. 5603 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5604 } 5605 } 5606 } 5607 } 5608 5609 // We also need to dexopt any apps that are dependent on this library. Note that 5610 // if these fail, we should abort the install since installing the library will 5611 // result in some apps being broken. 5612 if (clientLibPkgs != null) { 5613 if ((scanMode&SCAN_NO_DEX) == 0) { 5614 for (int i=0; i<clientLibPkgs.size(); i++) { 5615 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5616 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5617 == DEX_OPT_FAILED) { 5618 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5619 removeDataDirsLI(pkg.packageName); 5620 } 5621 5622 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5623 return null; 5624 } 5625 } 5626 } 5627 } 5628 5629 // Request the ActivityManager to kill the process(only for existing packages) 5630 // so that we do not end up in a confused state while the user is still using the older 5631 // version of the application while the new one gets installed. 5632 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5633 // If the package lives in an asec, tell everyone that the container is going 5634 // away so they can clean up any references to its resources (which would prevent 5635 // vold from being able to unmount the asec) 5636 if (isForwardLocked(pkg) || isExternal(pkg)) { 5637 if (DEBUG_INSTALL) { 5638 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5639 } 5640 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5641 final ArrayList<String> pkgList = new ArrayList<String>(1); 5642 pkgList.add(pkg.applicationInfo.packageName); 5643 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5644 } 5645 5646 // Post the request that it be killed now that the going-away broadcast is en route 5647 killApplication(pkg.applicationInfo.packageName, 5648 pkg.applicationInfo.uid, "update pkg"); 5649 } 5650 5651 // Also need to kill any apps that are dependent on the library. 5652 if (clientLibPkgs != null) { 5653 for (int i=0; i<clientLibPkgs.size(); i++) { 5654 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5655 killApplication(clientPkg.applicationInfo.packageName, 5656 clientPkg.applicationInfo.uid, "update lib"); 5657 } 5658 } 5659 5660 // writer 5661 synchronized (mPackages) { 5662 // We don't expect installation to fail beyond this point, 5663 if ((scanMode&SCAN_MONITOR) != 0) { 5664 mAppDirs.put(pkg.mPath, pkg); 5665 } 5666 // Add the new setting to mSettings 5667 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5668 // Add the new setting to mPackages 5669 mPackages.put(pkg.applicationInfo.packageName, pkg); 5670 // Make sure we don't accidentally delete its data. 5671 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5672 while (iter.hasNext()) { 5673 PackageCleanItem item = iter.next(); 5674 if (pkgName.equals(item.packageName)) { 5675 iter.remove(); 5676 } 5677 } 5678 5679 // Take care of first install / last update times. 5680 if (currentTime != 0) { 5681 if (pkgSetting.firstInstallTime == 0) { 5682 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5683 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5684 pkgSetting.lastUpdateTime = currentTime; 5685 } 5686 } else if (pkgSetting.firstInstallTime == 0) { 5687 // We need *something*. Take time time stamp of the file. 5688 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5689 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5690 if (scanFileTime != pkgSetting.timeStamp) { 5691 // A package on the system image has changed; consider this 5692 // to be an update. 5693 pkgSetting.lastUpdateTime = scanFileTime; 5694 } 5695 } 5696 5697 // Add the package's KeySets to the global KeySetManager 5698 KeySetManager ksm = mSettings.mKeySetManager; 5699 try { 5700 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5701 if (pkg.mKeySetMapping != null) { 5702 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5703 if (entry.getValue() != null) { 5704 ksm.addDefinedKeySetToPackage(pkg.packageName, 5705 entry.getValue(), entry.getKey()); 5706 } 5707 } 5708 } 5709 } catch (NullPointerException e) { 5710 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5711 } catch (IllegalArgumentException e) { 5712 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5713 } 5714 5715 int N = pkg.providers.size(); 5716 StringBuilder r = null; 5717 int i; 5718 for (i=0; i<N; i++) { 5719 PackageParser.Provider p = pkg.providers.get(i); 5720 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5721 p.info.processName, pkg.applicationInfo.uid); 5722 mProviders.addProvider(p); 5723 p.syncable = p.info.isSyncable; 5724 if (p.info.authority != null) { 5725 String names[] = p.info.authority.split(";"); 5726 p.info.authority = null; 5727 for (int j = 0; j < names.length; j++) { 5728 if (j == 1 && p.syncable) { 5729 // We only want the first authority for a provider to possibly be 5730 // syncable, so if we already added this provider using a different 5731 // authority clear the syncable flag. We copy the provider before 5732 // changing it because the mProviders object contains a reference 5733 // to a provider that we don't want to change. 5734 // Only do this for the second authority since the resulting provider 5735 // object can be the same for all future authorities for this provider. 5736 p = new PackageParser.Provider(p); 5737 p.syncable = false; 5738 } 5739 if (!mProvidersByAuthority.containsKey(names[j])) { 5740 mProvidersByAuthority.put(names[j], p); 5741 if (p.info.authority == null) { 5742 p.info.authority = names[j]; 5743 } else { 5744 p.info.authority = p.info.authority + ";" + names[j]; 5745 } 5746 if (DEBUG_PACKAGE_SCANNING) { 5747 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5748 Log.d(TAG, "Registered content provider: " + names[j] 5749 + ", className = " + p.info.name + ", isSyncable = " 5750 + p.info.isSyncable); 5751 } 5752 } else { 5753 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5754 Slog.w(TAG, "Skipping provider name " + names[j] + 5755 " (in package " + pkg.applicationInfo.packageName + 5756 "): name already used by " 5757 + ((other != null && other.getComponentName() != null) 5758 ? other.getComponentName().getPackageName() : "?")); 5759 } 5760 } 5761 } 5762 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5763 if (r == null) { 5764 r = new StringBuilder(256); 5765 } else { 5766 r.append(' '); 5767 } 5768 r.append(p.info.name); 5769 } 5770 } 5771 if (r != null) { 5772 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5773 } 5774 5775 N = pkg.services.size(); 5776 r = null; 5777 for (i=0; i<N; i++) { 5778 PackageParser.Service s = pkg.services.get(i); 5779 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5780 s.info.processName, pkg.applicationInfo.uid); 5781 mServices.addService(s); 5782 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5783 if (r == null) { 5784 r = new StringBuilder(256); 5785 } else { 5786 r.append(' '); 5787 } 5788 r.append(s.info.name); 5789 } 5790 } 5791 if (r != null) { 5792 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5793 } 5794 5795 N = pkg.receivers.size(); 5796 r = null; 5797 for (i=0; i<N; i++) { 5798 PackageParser.Activity a = pkg.receivers.get(i); 5799 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5800 a.info.processName, pkg.applicationInfo.uid); 5801 mReceivers.addActivity(a, "receiver"); 5802 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5803 if (r == null) { 5804 r = new StringBuilder(256); 5805 } else { 5806 r.append(' '); 5807 } 5808 r.append(a.info.name); 5809 } 5810 } 5811 if (r != null) { 5812 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5813 } 5814 5815 N = pkg.activities.size(); 5816 r = null; 5817 for (i=0; i<N; i++) { 5818 PackageParser.Activity a = pkg.activities.get(i); 5819 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5820 a.info.processName, pkg.applicationInfo.uid); 5821 mActivities.addActivity(a, "activity"); 5822 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5823 if (r == null) { 5824 r = new StringBuilder(256); 5825 } else { 5826 r.append(' '); 5827 } 5828 r.append(a.info.name); 5829 } 5830 } 5831 if (r != null) { 5832 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5833 } 5834 5835 N = pkg.permissionGroups.size(); 5836 r = null; 5837 for (i=0; i<N; i++) { 5838 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5839 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5840 if (cur == null) { 5841 mPermissionGroups.put(pg.info.name, pg); 5842 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5843 if (r == null) { 5844 r = new StringBuilder(256); 5845 } else { 5846 r.append(' '); 5847 } 5848 r.append(pg.info.name); 5849 } 5850 } else { 5851 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5852 + pg.info.packageName + " ignored: original from " 5853 + cur.info.packageName); 5854 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5855 if (r == null) { 5856 r = new StringBuilder(256); 5857 } else { 5858 r.append(' '); 5859 } 5860 r.append("DUP:"); 5861 r.append(pg.info.name); 5862 } 5863 } 5864 } 5865 if (r != null) { 5866 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5867 } 5868 5869 N = pkg.permissions.size(); 5870 r = null; 5871 for (i=0; i<N; i++) { 5872 PackageParser.Permission p = pkg.permissions.get(i); 5873 HashMap<String, BasePermission> permissionMap = 5874 p.tree ? mSettings.mPermissionTrees 5875 : mSettings.mPermissions; 5876 p.group = mPermissionGroups.get(p.info.group); 5877 if (p.info.group == null || p.group != null) { 5878 BasePermission bp = permissionMap.get(p.info.name); 5879 if (bp == null) { 5880 bp = new BasePermission(p.info.name, p.info.packageName, 5881 BasePermission.TYPE_NORMAL); 5882 permissionMap.put(p.info.name, bp); 5883 } 5884 if (bp.perm == null) { 5885 if (bp.sourcePackage != null 5886 && !bp.sourcePackage.equals(p.info.packageName)) { 5887 // If this is a permission that was formerly defined by a non-system 5888 // app, but is now defined by a system app (following an upgrade), 5889 // discard the previous declaration and consider the system's to be 5890 // canonical. 5891 if (isSystemApp(p.owner)) { 5892 String msg = "New decl " + p.owner + " of permission " 5893 + p.info.name + " is system"; 5894 reportSettingsProblem(Log.WARN, msg); 5895 bp.sourcePackage = null; 5896 } 5897 } 5898 if (bp.sourcePackage == null 5899 || bp.sourcePackage.equals(p.info.packageName)) { 5900 BasePermission tree = findPermissionTreeLP(p.info.name); 5901 if (tree == null 5902 || tree.sourcePackage.equals(p.info.packageName)) { 5903 bp.packageSetting = pkgSetting; 5904 bp.perm = p; 5905 bp.uid = pkg.applicationInfo.uid; 5906 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5907 if (r == null) { 5908 r = new StringBuilder(256); 5909 } else { 5910 r.append(' '); 5911 } 5912 r.append(p.info.name); 5913 } 5914 } else { 5915 Slog.w(TAG, "Permission " + p.info.name + " from package " 5916 + p.info.packageName + " ignored: base tree " 5917 + tree.name + " is from package " 5918 + tree.sourcePackage); 5919 } 5920 } else { 5921 Slog.w(TAG, "Permission " + p.info.name + " from package " 5922 + p.info.packageName + " ignored: original from " 5923 + bp.sourcePackage); 5924 } 5925 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5926 if (r == null) { 5927 r = new StringBuilder(256); 5928 } else { 5929 r.append(' '); 5930 } 5931 r.append("DUP:"); 5932 r.append(p.info.name); 5933 } 5934 if (bp.perm == p) { 5935 bp.protectionLevel = p.info.protectionLevel; 5936 } 5937 } else { 5938 Slog.w(TAG, "Permission " + p.info.name + " from package " 5939 + p.info.packageName + " ignored: no group " 5940 + p.group); 5941 } 5942 } 5943 if (r != null) { 5944 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5945 } 5946 5947 N = pkg.instrumentation.size(); 5948 r = null; 5949 for (i=0; i<N; i++) { 5950 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5951 a.info.packageName = pkg.applicationInfo.packageName; 5952 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5953 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5954 a.info.dataDir = pkg.applicationInfo.dataDir; 5955 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5956 mInstrumentation.put(a.getComponentName(), a); 5957 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5958 if (r == null) { 5959 r = new StringBuilder(256); 5960 } else { 5961 r.append(' '); 5962 } 5963 r.append(a.info.name); 5964 } 5965 } 5966 if (r != null) { 5967 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5968 } 5969 5970 if (pkg.protectedBroadcasts != null) { 5971 N = pkg.protectedBroadcasts.size(); 5972 for (i=0; i<N; i++) { 5973 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5974 } 5975 } 5976 5977 pkgSetting.setTimeStamp(scanFileTime); 5978 5979 // Create idmap files for pairs of (packages, overlay packages). 5980 // Note: "android", ie framework-res.apk, is handled by native layers. 5981 if (pkg.mOverlayTarget != null) { 5982 // This is an overlay package. 5983 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5984 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5985 mOverlays.put(pkg.mOverlayTarget, 5986 new HashMap<String, PackageParser.Package>()); 5987 } 5988 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5989 map.put(pkg.packageName, pkg); 5990 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5991 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5992 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5993 return null; 5994 } 5995 } 5996 } else if (mOverlays.containsKey(pkg.packageName) && 5997 !pkg.packageName.equals("android")) { 5998 // This is a regular package, with one or more known overlay packages. 5999 createIdmapsForPackageLI(pkg); 6000 } 6001 } 6002 6003 return pkg; 6004 } 6005 6006 /** 6007 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6008 * i.e, so that all packages can be run inside a single process if required. 6009 * 6010 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6011 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6012 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6013 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6014 * updating a package that belongs to a shared user. 6015 */ 6016 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6017 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6018 String requiredInstructionSet = null; 6019 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 6020 requiredInstructionSet = VMRuntime.getInstructionSet( 6021 scannedPackage.applicationInfo.cpuAbi); 6022 } 6023 6024 PackageSetting requirer = null; 6025 for (PackageSetting ps : packagesForUser) { 6026 // If packagesForUser contains scannedPackage, we skip it. This will happen 6027 // when scannedPackage is an update of an existing package. Without this check, 6028 // we will never be able to change the ABI of any package belonging to a shared 6029 // user, even if it's compatible with other packages. 6030 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 6031 if (ps.cpuAbiString == null) { 6032 continue; 6033 } 6034 6035 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 6036 if (requiredInstructionSet != null) { 6037 if (!instructionSet.equals(requiredInstructionSet)) { 6038 // We have a mismatch between instruction sets (say arm vs arm64). 6039 // bail out. 6040 String errorMessage = "Instruction set mismatch, " 6041 + ((requirer == null) ? "[caller]" : requirer) 6042 + " requires " + requiredInstructionSet + " whereas " + ps 6043 + " requires " + instructionSet; 6044 Slog.e(TAG, errorMessage); 6045 6046 reportSettingsProblem(Log.WARN, errorMessage); 6047 // Give up, don't bother making any other changes to the package settings. 6048 return false; 6049 } 6050 } else { 6051 requiredInstructionSet = instructionSet; 6052 requirer = ps; 6053 } 6054 } 6055 } 6056 6057 if (requiredInstructionSet != null) { 6058 String adjustedAbi; 6059 if (requirer != null) { 6060 // requirer != null implies that either scannedPackage was null or that scannedPackage 6061 // did not require an ABI, in which case we have to adjust scannedPackage to match 6062 // the ABI of the set (which is the same as requirer's ABI) 6063 adjustedAbi = requirer.cpuAbiString; 6064 if (scannedPackage != null) { 6065 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 6066 } 6067 } else { 6068 // requirer == null implies that we're updating all ABIs in the set to 6069 // match scannedPackage. 6070 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 6071 } 6072 6073 for (PackageSetting ps : packagesForUser) { 6074 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6075 if (ps.cpuAbiString != null) { 6076 continue; 6077 } 6078 6079 ps.cpuAbiString = adjustedAbi; 6080 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6081 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 6082 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6083 6084 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6085 ps.cpuAbiString = null; 6086 ps.pkg.applicationInfo.cpuAbi = null; 6087 return false; 6088 } else { 6089 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6090 } 6091 } 6092 } 6093 } 6094 } 6095 6096 return true; 6097 } 6098 6099 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6100 synchronized (mPackages) { 6101 mResolverReplaced = true; 6102 // Set up information for custom user intent resolution activity. 6103 mResolveActivity.applicationInfo = pkg.applicationInfo; 6104 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6105 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6106 mResolveActivity.processName = null; 6107 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6108 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6109 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6110 mResolveActivity.theme = 0; 6111 mResolveActivity.exported = true; 6112 mResolveActivity.enabled = true; 6113 mResolveInfo.activityInfo = mResolveActivity; 6114 mResolveInfo.priority = 0; 6115 mResolveInfo.preferredOrder = 0; 6116 mResolveInfo.match = 0; 6117 mResolveComponentName = mCustomResolverComponentName; 6118 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6119 mResolveComponentName); 6120 } 6121 } 6122 6123 private String calculateApkRoot(final String codePathString) { 6124 final File codePath = new File(codePathString); 6125 final File codeRoot; 6126 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6127 codeRoot = Environment.getRootDirectory(); 6128 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6129 codeRoot = Environment.getOemDirectory(); 6130 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6131 codeRoot = Environment.getVendorDirectory(); 6132 } else { 6133 // Unrecognized code path; take its top real segment as the apk root: 6134 // e.g. /something/app/blah.apk => /something 6135 try { 6136 File f = codePath.getCanonicalFile(); 6137 File parent = f.getParentFile(); // non-null because codePath is a file 6138 File tmp; 6139 while ((tmp = parent.getParentFile()) != null) { 6140 f = parent; 6141 parent = tmp; 6142 } 6143 codeRoot = f; 6144 Slog.w(TAG, "Unrecognized code path " 6145 + codePath + " - using " + codeRoot); 6146 } catch (IOException e) { 6147 // Can't canonicalize the lib path -- shenanigans? 6148 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6149 return Environment.getRootDirectory().getPath(); 6150 } 6151 } 6152 return codeRoot.getPath(); 6153 } 6154 6155 // This is the initial scan-time determination of how to handle a given 6156 // package for purposes of native library location. 6157 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6158 PackageSetting pkgSetting) { 6159 // "bundled" here means system-installed with no overriding update 6160 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6161 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6162 final File libDir; 6163 if (bundledApk) { 6164 // If "/system/lib64/apkname" exists, assume that is the per-package 6165 // native library directory to use; otherwise use "/system/lib/apkname". 6166 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6167 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6168 File packLib64 = new File(lib64, apkName); 6169 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6170 } else { 6171 libDir = mAppLibInstallDir; 6172 } 6173 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6174 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6175 // pkgSetting might be null during rescan following uninstall of updates 6176 // to a bundled app, so accommodate that possibility. The settings in 6177 // that case will be established later from the parsed package. 6178 if (pkgSetting != null) { 6179 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6180 } 6181 } 6182 6183 // Deduces the required ABI of an upgraded system app. 6184 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6185 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6186 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6187 6188 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6189 // or similar. 6190 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6191 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6192 6193 // Assume that the bundled native libraries always correspond to the 6194 // most preferred 32 or 64 bit ABI. 6195 if (lib64.exists()) { 6196 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6197 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6198 } else if (lib.exists()) { 6199 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6200 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6201 } else { 6202 // This is the case where the app has no native code. 6203 pkg.applicationInfo.cpuAbi = null; 6204 pkgSetting.cpuAbiString = null; 6205 } 6206 } 6207 6208 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 6209 final File nativeLibraryDir, String[] abiList) throws IOException { 6210 if (!nativeLibraryDir.isDirectory()) { 6211 nativeLibraryDir.delete(); 6212 6213 if (!nativeLibraryDir.mkdir()) { 6214 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6215 } 6216 6217 try { 6218 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6219 } catch (ErrnoException e) { 6220 throw new IOException("Cannot chmod native library directory " 6221 + nativeLibraryDir.getPath(), e); 6222 } 6223 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6224 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6225 } 6226 6227 /* 6228 * If this is an internal application or our nativeLibraryPath points to 6229 * the app-lib directory, unpack the libraries if necessary. 6230 */ 6231 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6232 if (abi >= 0) { 6233 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6234 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6235 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6236 return copyRet; 6237 } 6238 } 6239 6240 return abi; 6241 } 6242 6243 private void killApplication(String pkgName, int appId, String reason) { 6244 // Request the ActivityManager to kill the process(only for existing packages) 6245 // so that we do not end up in a confused state while the user is still using the older 6246 // version of the application while the new one gets installed. 6247 IActivityManager am = ActivityManagerNative.getDefault(); 6248 if (am != null) { 6249 try { 6250 am.killApplicationWithAppId(pkgName, appId, reason); 6251 } catch (RemoteException e) { 6252 } 6253 } 6254 } 6255 6256 void removePackageLI(PackageSetting ps, boolean chatty) { 6257 if (DEBUG_INSTALL) { 6258 if (chatty) 6259 Log.d(TAG, "Removing package " + ps.name); 6260 } 6261 6262 // writer 6263 synchronized (mPackages) { 6264 mPackages.remove(ps.name); 6265 if (ps.codePathString != null) { 6266 mAppDirs.remove(ps.codePathString); 6267 } 6268 6269 final PackageParser.Package pkg = ps.pkg; 6270 if (pkg != null) { 6271 cleanPackageDataStructuresLILPw(pkg, chatty); 6272 } 6273 } 6274 } 6275 6276 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6277 if (DEBUG_INSTALL) { 6278 if (chatty) 6279 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6280 } 6281 6282 // writer 6283 synchronized (mPackages) { 6284 mPackages.remove(pkg.applicationInfo.packageName); 6285 if (pkg.mPath != null) { 6286 mAppDirs.remove(pkg.mPath); 6287 } 6288 cleanPackageDataStructuresLILPw(pkg, chatty); 6289 } 6290 } 6291 6292 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6293 int N = pkg.providers.size(); 6294 StringBuilder r = null; 6295 int i; 6296 for (i=0; i<N; i++) { 6297 PackageParser.Provider p = pkg.providers.get(i); 6298 mProviders.removeProvider(p); 6299 if (p.info.authority == null) { 6300 6301 /* There was another ContentProvider with this authority when 6302 * this app was installed so this authority is null, 6303 * Ignore it as we don't have to unregister the provider. 6304 */ 6305 continue; 6306 } 6307 String names[] = p.info.authority.split(";"); 6308 for (int j = 0; j < names.length; j++) { 6309 if (mProvidersByAuthority.get(names[j]) == p) { 6310 mProvidersByAuthority.remove(names[j]); 6311 if (DEBUG_REMOVE) { 6312 if (chatty) 6313 Log.d(TAG, "Unregistered content provider: " + names[j] 6314 + ", className = " + p.info.name + ", isSyncable = " 6315 + p.info.isSyncable); 6316 } 6317 } 6318 } 6319 if (DEBUG_REMOVE && chatty) { 6320 if (r == null) { 6321 r = new StringBuilder(256); 6322 } else { 6323 r.append(' '); 6324 } 6325 r.append(p.info.name); 6326 } 6327 } 6328 if (r != null) { 6329 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6330 } 6331 6332 N = pkg.services.size(); 6333 r = null; 6334 for (i=0; i<N; i++) { 6335 PackageParser.Service s = pkg.services.get(i); 6336 mServices.removeService(s); 6337 if (chatty) { 6338 if (r == null) { 6339 r = new StringBuilder(256); 6340 } else { 6341 r.append(' '); 6342 } 6343 r.append(s.info.name); 6344 } 6345 } 6346 if (r != null) { 6347 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6348 } 6349 6350 N = pkg.receivers.size(); 6351 r = null; 6352 for (i=0; i<N; i++) { 6353 PackageParser.Activity a = pkg.receivers.get(i); 6354 mReceivers.removeActivity(a, "receiver"); 6355 if (DEBUG_REMOVE && chatty) { 6356 if (r == null) { 6357 r = new StringBuilder(256); 6358 } else { 6359 r.append(' '); 6360 } 6361 r.append(a.info.name); 6362 } 6363 } 6364 if (r != null) { 6365 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6366 } 6367 6368 N = pkg.activities.size(); 6369 r = null; 6370 for (i=0; i<N; i++) { 6371 PackageParser.Activity a = pkg.activities.get(i); 6372 mActivities.removeActivity(a, "activity"); 6373 if (DEBUG_REMOVE && chatty) { 6374 if (r == null) { 6375 r = new StringBuilder(256); 6376 } else { 6377 r.append(' '); 6378 } 6379 r.append(a.info.name); 6380 } 6381 } 6382 if (r != null) { 6383 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6384 } 6385 6386 N = pkg.permissions.size(); 6387 r = null; 6388 for (i=0; i<N; i++) { 6389 PackageParser.Permission p = pkg.permissions.get(i); 6390 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6391 if (bp == null) { 6392 bp = mSettings.mPermissionTrees.get(p.info.name); 6393 } 6394 if (bp != null && bp.perm == p) { 6395 bp.perm = null; 6396 if (DEBUG_REMOVE && chatty) { 6397 if (r == null) { 6398 r = new StringBuilder(256); 6399 } else { 6400 r.append(' '); 6401 } 6402 r.append(p.info.name); 6403 } 6404 } 6405 } 6406 if (r != null) { 6407 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6408 } 6409 6410 N = pkg.instrumentation.size(); 6411 r = null; 6412 for (i=0; i<N; i++) { 6413 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6414 mInstrumentation.remove(a.getComponentName()); 6415 if (DEBUG_REMOVE && chatty) { 6416 if (r == null) { 6417 r = new StringBuilder(256); 6418 } else { 6419 r.append(' '); 6420 } 6421 r.append(a.info.name); 6422 } 6423 } 6424 if (r != null) { 6425 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6426 } 6427 6428 r = null; 6429 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6430 // Only system apps can hold shared libraries. 6431 if (pkg.libraryNames != null) { 6432 for (i=0; i<pkg.libraryNames.size(); i++) { 6433 String name = pkg.libraryNames.get(i); 6434 SharedLibraryEntry cur = mSharedLibraries.get(name); 6435 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6436 mSharedLibraries.remove(name); 6437 if (DEBUG_REMOVE && chatty) { 6438 if (r == null) { 6439 r = new StringBuilder(256); 6440 } else { 6441 r.append(' '); 6442 } 6443 r.append(name); 6444 } 6445 } 6446 } 6447 } 6448 } 6449 if (r != null) { 6450 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6451 } 6452 } 6453 6454 private static final boolean isPackageFilename(String name) { 6455 return name != null && name.endsWith(".apk"); 6456 } 6457 6458 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6459 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6460 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6461 return true; 6462 } 6463 } 6464 return false; 6465 } 6466 6467 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6468 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6469 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6470 6471 private void updatePermissionsLPw(String changingPkg, 6472 PackageParser.Package pkgInfo, int flags) { 6473 // Make sure there are no dangling permission trees. 6474 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6475 while (it.hasNext()) { 6476 final BasePermission bp = it.next(); 6477 if (bp.packageSetting == null) { 6478 // We may not yet have parsed the package, so just see if 6479 // we still know about its settings. 6480 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6481 } 6482 if (bp.packageSetting == null) { 6483 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6484 + " from package " + bp.sourcePackage); 6485 it.remove(); 6486 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6487 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6488 Slog.i(TAG, "Removing old permission tree: " + bp.name 6489 + " from package " + bp.sourcePackage); 6490 flags |= UPDATE_PERMISSIONS_ALL; 6491 it.remove(); 6492 } 6493 } 6494 } 6495 6496 // Make sure all dynamic permissions have been assigned to a package, 6497 // and make sure there are no dangling permissions. 6498 it = mSettings.mPermissions.values().iterator(); 6499 while (it.hasNext()) { 6500 final BasePermission bp = it.next(); 6501 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6502 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6503 + bp.name + " pkg=" + bp.sourcePackage 6504 + " info=" + bp.pendingInfo); 6505 if (bp.packageSetting == null && bp.pendingInfo != null) { 6506 final BasePermission tree = findPermissionTreeLP(bp.name); 6507 if (tree != null && tree.perm != null) { 6508 bp.packageSetting = tree.packageSetting; 6509 bp.perm = new PackageParser.Permission(tree.perm.owner, 6510 new PermissionInfo(bp.pendingInfo)); 6511 bp.perm.info.packageName = tree.perm.info.packageName; 6512 bp.perm.info.name = bp.name; 6513 bp.uid = tree.uid; 6514 } 6515 } 6516 } 6517 if (bp.packageSetting == null) { 6518 // We may not yet have parsed the package, so just see if 6519 // we still know about its settings. 6520 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6521 } 6522 if (bp.packageSetting == null) { 6523 Slog.w(TAG, "Removing dangling permission: " + bp.name 6524 + " from package " + bp.sourcePackage); 6525 it.remove(); 6526 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6527 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6528 Slog.i(TAG, "Removing old permission: " + bp.name 6529 + " from package " + bp.sourcePackage); 6530 flags |= UPDATE_PERMISSIONS_ALL; 6531 it.remove(); 6532 } 6533 } 6534 } 6535 6536 // Now update the permissions for all packages, in particular 6537 // replace the granted permissions of the system packages. 6538 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6539 for (PackageParser.Package pkg : mPackages.values()) { 6540 if (pkg != pkgInfo) { 6541 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6542 } 6543 } 6544 } 6545 6546 if (pkgInfo != null) { 6547 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6548 } 6549 } 6550 6551 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6552 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6553 if (ps == null) { 6554 return; 6555 } 6556 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6557 HashSet<String> origPermissions = gp.grantedPermissions; 6558 boolean changedPermission = false; 6559 6560 if (replace) { 6561 ps.permissionsFixed = false; 6562 if (gp == ps) { 6563 origPermissions = new HashSet<String>(gp.grantedPermissions); 6564 gp.grantedPermissions.clear(); 6565 gp.gids = mGlobalGids; 6566 } 6567 } 6568 6569 if (gp.gids == null) { 6570 gp.gids = mGlobalGids; 6571 } 6572 6573 final int N = pkg.requestedPermissions.size(); 6574 for (int i=0; i<N; i++) { 6575 final String name = pkg.requestedPermissions.get(i); 6576 final boolean required = pkg.requestedPermissionsRequired.get(i); 6577 final BasePermission bp = mSettings.mPermissions.get(name); 6578 if (DEBUG_INSTALL) { 6579 if (gp != ps) { 6580 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6581 } 6582 } 6583 6584 if (bp == null || bp.packageSetting == null) { 6585 Slog.w(TAG, "Unknown permission " + name 6586 + " in package " + pkg.packageName); 6587 continue; 6588 } 6589 6590 final String perm = bp.name; 6591 boolean allowed; 6592 boolean allowedSig = false; 6593 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6594 if (level == PermissionInfo.PROTECTION_NORMAL 6595 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6596 // We grant a normal or dangerous permission if any of the following 6597 // are true: 6598 // 1) The permission is required 6599 // 2) The permission is optional, but was granted in the past 6600 // 3) The permission is optional, but was requested by an 6601 // app in /system (not /data) 6602 // 6603 // Otherwise, reject the permission. 6604 allowed = (required || origPermissions.contains(perm) 6605 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6606 } else if (bp.packageSetting == null) { 6607 // This permission is invalid; skip it. 6608 allowed = false; 6609 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6610 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6611 if (allowed) { 6612 allowedSig = true; 6613 } 6614 } else { 6615 allowed = false; 6616 } 6617 if (DEBUG_INSTALL) { 6618 if (gp != ps) { 6619 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6620 } 6621 } 6622 if (allowed) { 6623 if (!isSystemApp(ps) && ps.permissionsFixed) { 6624 // If this is an existing, non-system package, then 6625 // we can't add any new permissions to it. 6626 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6627 // Except... if this is a permission that was added 6628 // to the platform (note: need to only do this when 6629 // updating the platform). 6630 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6631 } 6632 } 6633 if (allowed) { 6634 if (!gp.grantedPermissions.contains(perm)) { 6635 changedPermission = true; 6636 gp.grantedPermissions.add(perm); 6637 gp.gids = appendInts(gp.gids, bp.gids); 6638 } else if (!ps.haveGids) { 6639 gp.gids = appendInts(gp.gids, bp.gids); 6640 } 6641 } else { 6642 Slog.w(TAG, "Not granting permission " + perm 6643 + " to package " + pkg.packageName 6644 + " because it was previously installed without"); 6645 } 6646 } else { 6647 if (gp.grantedPermissions.remove(perm)) { 6648 changedPermission = true; 6649 gp.gids = removeInts(gp.gids, bp.gids); 6650 Slog.i(TAG, "Un-granting permission " + perm 6651 + " from package " + pkg.packageName 6652 + " (protectionLevel=" + bp.protectionLevel 6653 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6654 + ")"); 6655 } else { 6656 Slog.w(TAG, "Not granting permission " + perm 6657 + " to package " + pkg.packageName 6658 + " (protectionLevel=" + bp.protectionLevel 6659 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6660 + ")"); 6661 } 6662 } 6663 } 6664 6665 if ((changedPermission || replace) && !ps.permissionsFixed && 6666 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6667 // This is the first that we have heard about this package, so the 6668 // permissions we have now selected are fixed until explicitly 6669 // changed. 6670 ps.permissionsFixed = true; 6671 } 6672 ps.haveGids = true; 6673 } 6674 6675 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6676 boolean allowed = false; 6677 final int NP = PackageParser.NEW_PERMISSIONS.length; 6678 for (int ip=0; ip<NP; ip++) { 6679 final PackageParser.NewPermissionInfo npi 6680 = PackageParser.NEW_PERMISSIONS[ip]; 6681 if (npi.name.equals(perm) 6682 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6683 allowed = true; 6684 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6685 + pkg.packageName); 6686 break; 6687 } 6688 } 6689 return allowed; 6690 } 6691 6692 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6693 BasePermission bp, HashSet<String> origPermissions) { 6694 boolean allowed; 6695 allowed = (compareSignatures( 6696 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6697 == PackageManager.SIGNATURE_MATCH) 6698 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6699 == PackageManager.SIGNATURE_MATCH); 6700 if (!allowed && (bp.protectionLevel 6701 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6702 if (isSystemApp(pkg)) { 6703 // For updated system applications, a system permission 6704 // is granted only if it had been defined by the original application. 6705 if (isUpdatedSystemApp(pkg)) { 6706 final PackageSetting sysPs = mSettings 6707 .getDisabledSystemPkgLPr(pkg.packageName); 6708 final GrantedPermissions origGp = sysPs.sharedUser != null 6709 ? sysPs.sharedUser : sysPs; 6710 6711 if (origGp.grantedPermissions.contains(perm)) { 6712 // If the original was granted this permission, we take 6713 // that grant decision as read and propagate it to the 6714 // update. 6715 allowed = true; 6716 } else { 6717 // The system apk may have been updated with an older 6718 // version of the one on the data partition, but which 6719 // granted a new system permission that it didn't have 6720 // before. In this case we do want to allow the app to 6721 // now get the new permission if the ancestral apk is 6722 // privileged to get it. 6723 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6724 for (int j=0; 6725 j<sysPs.pkg.requestedPermissions.size(); j++) { 6726 if (perm.equals( 6727 sysPs.pkg.requestedPermissions.get(j))) { 6728 allowed = true; 6729 break; 6730 } 6731 } 6732 } 6733 } 6734 } else { 6735 allowed = isPrivilegedApp(pkg); 6736 } 6737 } 6738 } 6739 if (!allowed && (bp.protectionLevel 6740 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6741 // For development permissions, a development permission 6742 // is granted only if it was already granted. 6743 allowed = origPermissions.contains(perm); 6744 } 6745 return allowed; 6746 } 6747 6748 final class ActivityIntentResolver 6749 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6750 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6751 boolean defaultOnly, int userId) { 6752 if (!sUserManager.exists(userId)) return null; 6753 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6754 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6755 } 6756 6757 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6758 int userId) { 6759 if (!sUserManager.exists(userId)) return null; 6760 mFlags = flags; 6761 return super.queryIntent(intent, resolvedType, 6762 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6763 } 6764 6765 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6766 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6767 if (!sUserManager.exists(userId)) return null; 6768 if (packageActivities == null) { 6769 return null; 6770 } 6771 mFlags = flags; 6772 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6773 final int N = packageActivities.size(); 6774 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6775 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6776 6777 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6778 for (int i = 0; i < N; ++i) { 6779 intentFilters = packageActivities.get(i).intents; 6780 if (intentFilters != null && intentFilters.size() > 0) { 6781 PackageParser.ActivityIntentInfo[] array = 6782 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6783 intentFilters.toArray(array); 6784 listCut.add(array); 6785 } 6786 } 6787 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6788 } 6789 6790 public final void addActivity(PackageParser.Activity a, String type) { 6791 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6792 mActivities.put(a.getComponentName(), a); 6793 if (DEBUG_SHOW_INFO) 6794 Log.v( 6795 TAG, " " + type + " " + 6796 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6797 if (DEBUG_SHOW_INFO) 6798 Log.v(TAG, " Class=" + a.info.name); 6799 final int NI = a.intents.size(); 6800 for (int j=0; j<NI; j++) { 6801 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6802 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6803 intent.setPriority(0); 6804 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6805 + a.className + " with priority > 0, forcing to 0"); 6806 } 6807 if (DEBUG_SHOW_INFO) { 6808 Log.v(TAG, " IntentFilter:"); 6809 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6810 } 6811 if (!intent.debugCheck()) { 6812 Log.w(TAG, "==> For Activity " + a.info.name); 6813 } 6814 addFilter(intent); 6815 } 6816 } 6817 6818 public final void removeActivity(PackageParser.Activity a, String type) { 6819 mActivities.remove(a.getComponentName()); 6820 if (DEBUG_SHOW_INFO) { 6821 Log.v(TAG, " " + type + " " 6822 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6823 : a.info.name) + ":"); 6824 Log.v(TAG, " Class=" + a.info.name); 6825 } 6826 final int NI = a.intents.size(); 6827 for (int j=0; j<NI; j++) { 6828 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6829 if (DEBUG_SHOW_INFO) { 6830 Log.v(TAG, " IntentFilter:"); 6831 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6832 } 6833 removeFilter(intent); 6834 } 6835 } 6836 6837 @Override 6838 protected boolean allowFilterResult( 6839 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6840 ActivityInfo filterAi = filter.activity.info; 6841 for (int i=dest.size()-1; i>=0; i--) { 6842 ActivityInfo destAi = dest.get(i).activityInfo; 6843 if (destAi.name == filterAi.name 6844 && destAi.packageName == filterAi.packageName) { 6845 return false; 6846 } 6847 } 6848 return true; 6849 } 6850 6851 @Override 6852 protected ActivityIntentInfo[] newArray(int size) { 6853 return new ActivityIntentInfo[size]; 6854 } 6855 6856 @Override 6857 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6858 if (!sUserManager.exists(userId)) return true; 6859 PackageParser.Package p = filter.activity.owner; 6860 if (p != null) { 6861 PackageSetting ps = (PackageSetting)p.mExtras; 6862 if (ps != null) { 6863 // System apps are never considered stopped for purposes of 6864 // filtering, because there may be no way for the user to 6865 // actually re-launch them. 6866 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6867 && ps.getStopped(userId); 6868 } 6869 } 6870 return false; 6871 } 6872 6873 @Override 6874 protected boolean isPackageForFilter(String packageName, 6875 PackageParser.ActivityIntentInfo info) { 6876 return packageName.equals(info.activity.owner.packageName); 6877 } 6878 6879 @Override 6880 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6881 int match, int userId) { 6882 if (!sUserManager.exists(userId)) return null; 6883 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6884 return null; 6885 } 6886 final PackageParser.Activity activity = info.activity; 6887 if (mSafeMode && (activity.info.applicationInfo.flags 6888 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6889 return null; 6890 } 6891 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6892 if (ps == null) { 6893 return null; 6894 } 6895 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6896 ps.readUserState(userId), userId); 6897 if (ai == null) { 6898 return null; 6899 } 6900 final ResolveInfo res = new ResolveInfo(); 6901 res.activityInfo = ai; 6902 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6903 res.filter = info; 6904 } 6905 res.priority = info.getPriority(); 6906 res.preferredOrder = activity.owner.mPreferredOrder; 6907 //System.out.println("Result: " + res.activityInfo.className + 6908 // " = " + res.priority); 6909 res.match = match; 6910 res.isDefault = info.hasDefault; 6911 res.labelRes = info.labelRes; 6912 res.nonLocalizedLabel = info.nonLocalizedLabel; 6913 res.icon = info.icon; 6914 res.system = isSystemApp(res.activityInfo.applicationInfo); 6915 return res; 6916 } 6917 6918 @Override 6919 protected void sortResults(List<ResolveInfo> results) { 6920 Collections.sort(results, mResolvePrioritySorter); 6921 } 6922 6923 @Override 6924 protected void dumpFilter(PrintWriter out, String prefix, 6925 PackageParser.ActivityIntentInfo filter) { 6926 out.print(prefix); out.print( 6927 Integer.toHexString(System.identityHashCode(filter.activity))); 6928 out.print(' '); 6929 filter.activity.printComponentShortName(out); 6930 out.print(" filter "); 6931 out.println(Integer.toHexString(System.identityHashCode(filter))); 6932 } 6933 6934// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6935// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6936// final List<ResolveInfo> retList = Lists.newArrayList(); 6937// while (i.hasNext()) { 6938// final ResolveInfo resolveInfo = i.next(); 6939// if (isEnabledLP(resolveInfo.activityInfo)) { 6940// retList.add(resolveInfo); 6941// } 6942// } 6943// return retList; 6944// } 6945 6946 // Keys are String (activity class name), values are Activity. 6947 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6948 = new HashMap<ComponentName, PackageParser.Activity>(); 6949 private int mFlags; 6950 } 6951 6952 private final class ServiceIntentResolver 6953 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6954 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6955 boolean defaultOnly, int userId) { 6956 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6957 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6958 } 6959 6960 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6961 int userId) { 6962 if (!sUserManager.exists(userId)) return null; 6963 mFlags = flags; 6964 return super.queryIntent(intent, resolvedType, 6965 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6966 } 6967 6968 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6969 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6970 if (!sUserManager.exists(userId)) return null; 6971 if (packageServices == null) { 6972 return null; 6973 } 6974 mFlags = flags; 6975 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6976 final int N = packageServices.size(); 6977 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6978 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6979 6980 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6981 for (int i = 0; i < N; ++i) { 6982 intentFilters = packageServices.get(i).intents; 6983 if (intentFilters != null && intentFilters.size() > 0) { 6984 PackageParser.ServiceIntentInfo[] array = 6985 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6986 intentFilters.toArray(array); 6987 listCut.add(array); 6988 } 6989 } 6990 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6991 } 6992 6993 public final void addService(PackageParser.Service s) { 6994 mServices.put(s.getComponentName(), s); 6995 if (DEBUG_SHOW_INFO) { 6996 Log.v(TAG, " " 6997 + (s.info.nonLocalizedLabel != null 6998 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6999 Log.v(TAG, " Class=" + s.info.name); 7000 } 7001 final int NI = s.intents.size(); 7002 int j; 7003 for (j=0; j<NI; j++) { 7004 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7005 if (DEBUG_SHOW_INFO) { 7006 Log.v(TAG, " IntentFilter:"); 7007 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7008 } 7009 if (!intent.debugCheck()) { 7010 Log.w(TAG, "==> For Service " + s.info.name); 7011 } 7012 addFilter(intent); 7013 } 7014 } 7015 7016 public final void removeService(PackageParser.Service s) { 7017 mServices.remove(s.getComponentName()); 7018 if (DEBUG_SHOW_INFO) { 7019 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7020 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7021 Log.v(TAG, " Class=" + s.info.name); 7022 } 7023 final int NI = s.intents.size(); 7024 int j; 7025 for (j=0; j<NI; j++) { 7026 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7027 if (DEBUG_SHOW_INFO) { 7028 Log.v(TAG, " IntentFilter:"); 7029 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7030 } 7031 removeFilter(intent); 7032 } 7033 } 7034 7035 @Override 7036 protected boolean allowFilterResult( 7037 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7038 ServiceInfo filterSi = filter.service.info; 7039 for (int i=dest.size()-1; i>=0; i--) { 7040 ServiceInfo destAi = dest.get(i).serviceInfo; 7041 if (destAi.name == filterSi.name 7042 && destAi.packageName == filterSi.packageName) { 7043 return false; 7044 } 7045 } 7046 return true; 7047 } 7048 7049 @Override 7050 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7051 return new PackageParser.ServiceIntentInfo[size]; 7052 } 7053 7054 @Override 7055 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7056 if (!sUserManager.exists(userId)) return true; 7057 PackageParser.Package p = filter.service.owner; 7058 if (p != null) { 7059 PackageSetting ps = (PackageSetting)p.mExtras; 7060 if (ps != null) { 7061 // System apps are never considered stopped for purposes of 7062 // filtering, because there may be no way for the user to 7063 // actually re-launch them. 7064 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7065 && ps.getStopped(userId); 7066 } 7067 } 7068 return false; 7069 } 7070 7071 @Override 7072 protected boolean isPackageForFilter(String packageName, 7073 PackageParser.ServiceIntentInfo info) { 7074 return packageName.equals(info.service.owner.packageName); 7075 } 7076 7077 @Override 7078 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7079 int match, int userId) { 7080 if (!sUserManager.exists(userId)) return null; 7081 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7082 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7083 return null; 7084 } 7085 final PackageParser.Service service = info.service; 7086 if (mSafeMode && (service.info.applicationInfo.flags 7087 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7088 return null; 7089 } 7090 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7091 if (ps == null) { 7092 return null; 7093 } 7094 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7095 ps.readUserState(userId), userId); 7096 if (si == null) { 7097 return null; 7098 } 7099 final ResolveInfo res = new ResolveInfo(); 7100 res.serviceInfo = si; 7101 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7102 res.filter = filter; 7103 } 7104 res.priority = info.getPriority(); 7105 res.preferredOrder = service.owner.mPreferredOrder; 7106 //System.out.println("Result: " + res.activityInfo.className + 7107 // " = " + res.priority); 7108 res.match = match; 7109 res.isDefault = info.hasDefault; 7110 res.labelRes = info.labelRes; 7111 res.nonLocalizedLabel = info.nonLocalizedLabel; 7112 res.icon = info.icon; 7113 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7114 return res; 7115 } 7116 7117 @Override 7118 protected void sortResults(List<ResolveInfo> results) { 7119 Collections.sort(results, mResolvePrioritySorter); 7120 } 7121 7122 @Override 7123 protected void dumpFilter(PrintWriter out, String prefix, 7124 PackageParser.ServiceIntentInfo filter) { 7125 out.print(prefix); out.print( 7126 Integer.toHexString(System.identityHashCode(filter.service))); 7127 out.print(' '); 7128 filter.service.printComponentShortName(out); 7129 out.print(" filter "); 7130 out.println(Integer.toHexString(System.identityHashCode(filter))); 7131 } 7132 7133// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7134// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7135// final List<ResolveInfo> retList = Lists.newArrayList(); 7136// while (i.hasNext()) { 7137// final ResolveInfo resolveInfo = (ResolveInfo) i; 7138// if (isEnabledLP(resolveInfo.serviceInfo)) { 7139// retList.add(resolveInfo); 7140// } 7141// } 7142// return retList; 7143// } 7144 7145 // Keys are String (activity class name), values are Activity. 7146 private final HashMap<ComponentName, PackageParser.Service> mServices 7147 = new HashMap<ComponentName, PackageParser.Service>(); 7148 private int mFlags; 7149 }; 7150 7151 private final class ProviderIntentResolver 7152 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7153 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7154 boolean defaultOnly, int userId) { 7155 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7156 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7157 } 7158 7159 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7160 int userId) { 7161 if (!sUserManager.exists(userId)) 7162 return null; 7163 mFlags = flags; 7164 return super.queryIntent(intent, resolvedType, 7165 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7166 } 7167 7168 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7169 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7170 if (!sUserManager.exists(userId)) 7171 return null; 7172 if (packageProviders == null) { 7173 return null; 7174 } 7175 mFlags = flags; 7176 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7177 final int N = packageProviders.size(); 7178 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7179 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7180 7181 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7182 for (int i = 0; i < N; ++i) { 7183 intentFilters = packageProviders.get(i).intents; 7184 if (intentFilters != null && intentFilters.size() > 0) { 7185 PackageParser.ProviderIntentInfo[] array = 7186 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7187 intentFilters.toArray(array); 7188 listCut.add(array); 7189 } 7190 } 7191 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7192 } 7193 7194 public final void addProvider(PackageParser.Provider p) { 7195 if (mProviders.containsKey(p.getComponentName())) { 7196 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7197 return; 7198 } 7199 7200 mProviders.put(p.getComponentName(), p); 7201 if (DEBUG_SHOW_INFO) { 7202 Log.v(TAG, " " 7203 + (p.info.nonLocalizedLabel != null 7204 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7205 Log.v(TAG, " Class=" + p.info.name); 7206 } 7207 final int NI = p.intents.size(); 7208 int j; 7209 for (j = 0; j < NI; j++) { 7210 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7211 if (DEBUG_SHOW_INFO) { 7212 Log.v(TAG, " IntentFilter:"); 7213 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7214 } 7215 if (!intent.debugCheck()) { 7216 Log.w(TAG, "==> For Provider " + p.info.name); 7217 } 7218 addFilter(intent); 7219 } 7220 } 7221 7222 public final void removeProvider(PackageParser.Provider p) { 7223 mProviders.remove(p.getComponentName()); 7224 if (DEBUG_SHOW_INFO) { 7225 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7226 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7227 Log.v(TAG, " Class=" + p.info.name); 7228 } 7229 final int NI = p.intents.size(); 7230 int j; 7231 for (j = 0; j < NI; j++) { 7232 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7233 if (DEBUG_SHOW_INFO) { 7234 Log.v(TAG, " IntentFilter:"); 7235 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7236 } 7237 removeFilter(intent); 7238 } 7239 } 7240 7241 @Override 7242 protected boolean allowFilterResult( 7243 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7244 ProviderInfo filterPi = filter.provider.info; 7245 for (int i = dest.size() - 1; i >= 0; i--) { 7246 ProviderInfo destPi = dest.get(i).providerInfo; 7247 if (destPi.name == filterPi.name 7248 && destPi.packageName == filterPi.packageName) { 7249 return false; 7250 } 7251 } 7252 return true; 7253 } 7254 7255 @Override 7256 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7257 return new PackageParser.ProviderIntentInfo[size]; 7258 } 7259 7260 @Override 7261 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7262 if (!sUserManager.exists(userId)) 7263 return true; 7264 PackageParser.Package p = filter.provider.owner; 7265 if (p != null) { 7266 PackageSetting ps = (PackageSetting) p.mExtras; 7267 if (ps != null) { 7268 // System apps are never considered stopped for purposes of 7269 // filtering, because there may be no way for the user to 7270 // actually re-launch them. 7271 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7272 && ps.getStopped(userId); 7273 } 7274 } 7275 return false; 7276 } 7277 7278 @Override 7279 protected boolean isPackageForFilter(String packageName, 7280 PackageParser.ProviderIntentInfo info) { 7281 return packageName.equals(info.provider.owner.packageName); 7282 } 7283 7284 @Override 7285 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7286 int match, int userId) { 7287 if (!sUserManager.exists(userId)) 7288 return null; 7289 final PackageParser.ProviderIntentInfo info = filter; 7290 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7291 return null; 7292 } 7293 final PackageParser.Provider provider = info.provider; 7294 if (mSafeMode && (provider.info.applicationInfo.flags 7295 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7296 return null; 7297 } 7298 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7299 if (ps == null) { 7300 return null; 7301 } 7302 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7303 ps.readUserState(userId), userId); 7304 if (pi == null) { 7305 return null; 7306 } 7307 final ResolveInfo res = new ResolveInfo(); 7308 res.providerInfo = pi; 7309 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7310 res.filter = filter; 7311 } 7312 res.priority = info.getPriority(); 7313 res.preferredOrder = provider.owner.mPreferredOrder; 7314 res.match = match; 7315 res.isDefault = info.hasDefault; 7316 res.labelRes = info.labelRes; 7317 res.nonLocalizedLabel = info.nonLocalizedLabel; 7318 res.icon = info.icon; 7319 res.system = isSystemApp(res.providerInfo.applicationInfo); 7320 return res; 7321 } 7322 7323 @Override 7324 protected void sortResults(List<ResolveInfo> results) { 7325 Collections.sort(results, mResolvePrioritySorter); 7326 } 7327 7328 @Override 7329 protected void dumpFilter(PrintWriter out, String prefix, 7330 PackageParser.ProviderIntentInfo filter) { 7331 out.print(prefix); 7332 out.print( 7333 Integer.toHexString(System.identityHashCode(filter.provider))); 7334 out.print(' '); 7335 filter.provider.printComponentShortName(out); 7336 out.print(" filter "); 7337 out.println(Integer.toHexString(System.identityHashCode(filter))); 7338 } 7339 7340 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7341 = new HashMap<ComponentName, PackageParser.Provider>(); 7342 private int mFlags; 7343 }; 7344 7345 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7346 new Comparator<ResolveInfo>() { 7347 public int compare(ResolveInfo r1, ResolveInfo r2) { 7348 int v1 = r1.priority; 7349 int v2 = r2.priority; 7350 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7351 if (v1 != v2) { 7352 return (v1 > v2) ? -1 : 1; 7353 } 7354 v1 = r1.preferredOrder; 7355 v2 = r2.preferredOrder; 7356 if (v1 != v2) { 7357 return (v1 > v2) ? -1 : 1; 7358 } 7359 if (r1.isDefault != r2.isDefault) { 7360 return r1.isDefault ? -1 : 1; 7361 } 7362 v1 = r1.match; 7363 v2 = r2.match; 7364 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7365 if (v1 != v2) { 7366 return (v1 > v2) ? -1 : 1; 7367 } 7368 if (r1.system != r2.system) { 7369 return r1.system ? -1 : 1; 7370 } 7371 return 0; 7372 } 7373 }; 7374 7375 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7376 new Comparator<ProviderInfo>() { 7377 public int compare(ProviderInfo p1, ProviderInfo p2) { 7378 final int v1 = p1.initOrder; 7379 final int v2 = p2.initOrder; 7380 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7381 } 7382 }; 7383 7384 static final void sendPackageBroadcast(String action, String pkg, 7385 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7386 int[] userIds) { 7387 IActivityManager am = ActivityManagerNative.getDefault(); 7388 if (am != null) { 7389 try { 7390 if (userIds == null) { 7391 userIds = am.getRunningUserIds(); 7392 } 7393 for (int id : userIds) { 7394 final Intent intent = new Intent(action, 7395 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7396 if (extras != null) { 7397 intent.putExtras(extras); 7398 } 7399 if (targetPkg != null) { 7400 intent.setPackage(targetPkg); 7401 } 7402 // Modify the UID when posting to other users 7403 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7404 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7405 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7406 intent.putExtra(Intent.EXTRA_UID, uid); 7407 } 7408 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7409 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7410 if (DEBUG_BROADCASTS) { 7411 RuntimeException here = new RuntimeException("here"); 7412 here.fillInStackTrace(); 7413 Slog.d(TAG, "Sending to user " + id + ": " 7414 + intent.toShortString(false, true, false, false) 7415 + " " + intent.getExtras(), here); 7416 } 7417 am.broadcastIntent(null, intent, null, finishedReceiver, 7418 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7419 finishedReceiver != null, false, id); 7420 } 7421 } catch (RemoteException ex) { 7422 } 7423 } 7424 } 7425 7426 /** 7427 * Check if the external storage media is available. This is true if there 7428 * is a mounted external storage medium or if the external storage is 7429 * emulated. 7430 */ 7431 private boolean isExternalMediaAvailable() { 7432 return mMediaMounted || Environment.isExternalStorageEmulated(); 7433 } 7434 7435 @Override 7436 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7437 // writer 7438 synchronized (mPackages) { 7439 if (!isExternalMediaAvailable()) { 7440 // If the external storage is no longer mounted at this point, 7441 // the caller may not have been able to delete all of this 7442 // packages files and can not delete any more. Bail. 7443 return null; 7444 } 7445 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7446 if (lastPackage != null) { 7447 pkgs.remove(lastPackage); 7448 } 7449 if (pkgs.size() > 0) { 7450 return pkgs.get(0); 7451 } 7452 } 7453 return null; 7454 } 7455 7456 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7457 if (false) { 7458 RuntimeException here = new RuntimeException("here"); 7459 here.fillInStackTrace(); 7460 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7461 + " andCode=" + andCode, here); 7462 } 7463 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7464 userId, andCode ? 1 : 0, packageName)); 7465 } 7466 7467 void startCleaningPackages() { 7468 // reader 7469 synchronized (mPackages) { 7470 if (!isExternalMediaAvailable()) { 7471 return; 7472 } 7473 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7474 return; 7475 } 7476 } 7477 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7478 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7479 IActivityManager am = ActivityManagerNative.getDefault(); 7480 if (am != null) { 7481 try { 7482 am.startService(null, intent, null, UserHandle.USER_OWNER); 7483 } catch (RemoteException e) { 7484 } 7485 } 7486 } 7487 7488 private final class AppDirObserver extends FileObserver { 7489 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7490 super(path, mask); 7491 mRootDir = path; 7492 mIsRom = isrom; 7493 mIsPrivileged = isPrivileged; 7494 } 7495 7496 public void onEvent(int event, String path) { 7497 String removedPackage = null; 7498 int removedAppId = -1; 7499 int[] removedUsers = null; 7500 String addedPackage = null; 7501 int addedAppId = -1; 7502 int[] addedUsers = null; 7503 7504 // TODO post a message to the handler to obtain serial ordering 7505 synchronized (mInstallLock) { 7506 String fullPathStr = null; 7507 File fullPath = null; 7508 if (path != null) { 7509 fullPath = new File(mRootDir, path); 7510 fullPathStr = fullPath.getPath(); 7511 } 7512 7513 if (DEBUG_APP_DIR_OBSERVER) 7514 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7515 7516 if (!isPackageFilename(path)) { 7517 if (DEBUG_APP_DIR_OBSERVER) 7518 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7519 return; 7520 } 7521 7522 // Ignore packages that are being installed or 7523 // have just been installed. 7524 if (ignoreCodePath(fullPathStr)) { 7525 return; 7526 } 7527 PackageParser.Package p = null; 7528 PackageSetting ps = null; 7529 // reader 7530 synchronized (mPackages) { 7531 p = mAppDirs.get(fullPathStr); 7532 if (p != null) { 7533 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7534 if (ps != null) { 7535 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7536 } else { 7537 removedUsers = sUserManager.getUserIds(); 7538 } 7539 } 7540 addedUsers = sUserManager.getUserIds(); 7541 } 7542 if ((event&REMOVE_EVENTS) != 0) { 7543 if (ps != null) { 7544 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7545 removePackageLI(ps, true); 7546 removedPackage = ps.name; 7547 removedAppId = ps.appId; 7548 } 7549 } 7550 7551 if ((event&ADD_EVENTS) != 0) { 7552 if (p == null) { 7553 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7554 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7555 if (mIsRom) { 7556 flags |= PackageParser.PARSE_IS_SYSTEM 7557 | PackageParser.PARSE_IS_SYSTEM_DIR; 7558 if (mIsPrivileged) { 7559 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7560 } 7561 } 7562 p = scanPackageLI(fullPath, flags, 7563 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7564 System.currentTimeMillis(), UserHandle.ALL, null); 7565 if (p != null) { 7566 /* 7567 * TODO this seems dangerous as the package may have 7568 * changed since we last acquired the mPackages 7569 * lock. 7570 */ 7571 // writer 7572 synchronized (mPackages) { 7573 updatePermissionsLPw(p.packageName, p, 7574 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7575 } 7576 addedPackage = p.applicationInfo.packageName; 7577 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7578 } 7579 } 7580 } 7581 7582 // reader 7583 synchronized (mPackages) { 7584 mSettings.writeLPr(); 7585 } 7586 } 7587 7588 if (removedPackage != null) { 7589 Bundle extras = new Bundle(1); 7590 extras.putInt(Intent.EXTRA_UID, removedAppId); 7591 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7592 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7593 extras, null, null, removedUsers); 7594 } 7595 if (addedPackage != null) { 7596 Bundle extras = new Bundle(1); 7597 extras.putInt(Intent.EXTRA_UID, addedAppId); 7598 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7599 extras, null, null, addedUsers); 7600 } 7601 } 7602 7603 private final String mRootDir; 7604 private final boolean mIsRom; 7605 private final boolean mIsPrivileged; 7606 } 7607 7608 /* 7609 * The old-style observer methods all just trampoline to the newer signature with 7610 * expanded install observer API. The older API continues to work but does not 7611 * supply the additional details of the Observer2 API. 7612 */ 7613 7614 /* Called when a downloaded package installation has been confirmed by the user */ 7615 public void installPackage( 7616 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7617 installPackageEtc(packageURI, observer, null, flags, null); 7618 } 7619 7620 /* Called when a downloaded package installation has been confirmed by the user */ 7621 @Override 7622 public void installPackage( 7623 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7624 final String installerPackageName) { 7625 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7626 installerPackageName, null, null, null); 7627 } 7628 7629 @Override 7630 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7631 int flags, String installerPackageName, Uri verificationURI, 7632 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7633 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7634 VerificationParams.NO_UID, manifestDigest); 7635 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7636 installerPackageName, verificationParams, encryptionParams); 7637 } 7638 7639 @Override 7640 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7641 IPackageInstallObserver observer, int flags, String installerPackageName, 7642 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7643 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7644 installerPackageName, verificationParams, encryptionParams); 7645 } 7646 7647 /* 7648 * And here are the "live" versions that take both observer arguments 7649 */ 7650 public void installPackageEtc( 7651 final Uri packageURI, final IPackageInstallObserver observer, 7652 IPackageInstallObserver2 observer2, final int flags) { 7653 installPackageEtc(packageURI, observer, observer2, flags, null); 7654 } 7655 7656 public void installPackageEtc( 7657 final Uri packageURI, final IPackageInstallObserver observer, 7658 final IPackageInstallObserver2 observer2, final int flags, 7659 final String installerPackageName) { 7660 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7661 installerPackageName, null, null, null); 7662 } 7663 7664 @Override 7665 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7666 IPackageInstallObserver2 observer2, 7667 int flags, String installerPackageName, Uri verificationURI, 7668 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7669 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7670 VerificationParams.NO_UID, manifestDigest); 7671 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7672 installerPackageName, verificationParams, encryptionParams); 7673 } 7674 7675 /* 7676 * All of the installPackage...*() methods redirect to this one for the master implementation 7677 */ 7678 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7679 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7680 int flags, String installerPackageName, 7681 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7682 if (observer == null && observer2 == null) { 7683 throw new IllegalArgumentException("No install observer supplied"); 7684 } 7685 installPackageWithVerificationEncryptionAndAbiOverrideEtc(packageURI, observer, observer2, 7686 flags, installerPackageName, verificationParams, encryptionParams, null); 7687 } 7688 7689 @Override 7690 public void installPackageWithVerificationEncryptionAndAbiOverrideEtc(Uri packageURI, 7691 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7692 int flags, String installerPackageName, 7693 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7694 String packageAbiOverride) { 7695 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7696 null); 7697 7698 final int uid = Binder.getCallingUid(); 7699 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7700 try { 7701 if (observer != null) { 7702 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7703 } 7704 if (observer2 != null) { 7705 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7706 } 7707 } catch (RemoteException re) { 7708 } 7709 return; 7710 } 7711 7712 UserHandle user; 7713 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7714 user = UserHandle.ALL; 7715 } else { 7716 user = new UserHandle(UserHandle.getUserId(uid)); 7717 } 7718 7719 final int filteredFlags; 7720 7721 if (uid == Process.SHELL_UID || uid == 0) { 7722 if (DEBUG_INSTALL) { 7723 Slog.v(TAG, "Install from ADB"); 7724 } 7725 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7726 } else { 7727 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7728 } 7729 7730 verificationParams.setInstallerUid(uid); 7731 7732 final Message msg = mHandler.obtainMessage(INIT_COPY); 7733 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7734 installerPackageName, verificationParams, encryptionParams, user, 7735 packageAbiOverride); 7736 mHandler.sendMessage(msg); 7737 } 7738 7739 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7740 Bundle extras = new Bundle(1); 7741 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7742 7743 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7744 packageName, extras, null, null, new int[] {userId}); 7745 try { 7746 IActivityManager am = ActivityManagerNative.getDefault(); 7747 final boolean isSystem = 7748 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7749 if (isSystem && am.isUserRunning(userId, false)) { 7750 // The just-installed/enabled app is bundled on the system, so presumed 7751 // to be able to run automatically without needing an explicit launch. 7752 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7753 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7754 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7755 .setPackage(packageName); 7756 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7757 android.app.AppOpsManager.OP_NONE, false, false, userId); 7758 } 7759 } catch (RemoteException e) { 7760 // shouldn't happen 7761 Slog.w(TAG, "Unable to bootstrap installed package", e); 7762 } 7763 } 7764 7765 @Override 7766 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7767 int userId) { 7768 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7769 PackageSetting pkgSetting; 7770 final int uid = Binder.getCallingUid(); 7771 if (UserHandle.getUserId(uid) != userId) { 7772 mContext.enforceCallingOrSelfPermission( 7773 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7774 "setApplicationBlockedSetting for user " + userId); 7775 } 7776 7777 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7778 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7779 return false; 7780 } 7781 7782 long callingId = Binder.clearCallingIdentity(); 7783 try { 7784 boolean sendAdded = false; 7785 boolean sendRemoved = false; 7786 // writer 7787 synchronized (mPackages) { 7788 pkgSetting = mSettings.mPackages.get(packageName); 7789 if (pkgSetting == null) { 7790 return false; 7791 } 7792 if (pkgSetting.getBlocked(userId) != blocked) { 7793 pkgSetting.setBlocked(blocked, userId); 7794 mSettings.writePackageRestrictionsLPr(userId); 7795 if (blocked) { 7796 sendRemoved = true; 7797 } else { 7798 sendAdded = true; 7799 } 7800 } 7801 } 7802 if (sendAdded) { 7803 sendPackageAddedForUser(packageName, pkgSetting, userId); 7804 return true; 7805 } 7806 if (sendRemoved) { 7807 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7808 "blocking pkg"); 7809 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7810 } 7811 } finally { 7812 Binder.restoreCallingIdentity(callingId); 7813 } 7814 return false; 7815 } 7816 7817 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7818 int userId) { 7819 final PackageRemovedInfo info = new PackageRemovedInfo(); 7820 info.removedPackage = packageName; 7821 info.removedUsers = new int[] {userId}; 7822 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7823 info.sendBroadcast(false, false, false); 7824 } 7825 7826 /** 7827 * Returns true if application is not found or there was an error. Otherwise it returns 7828 * the blocked state of the package for the given user. 7829 */ 7830 @Override 7831 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7832 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7833 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7834 "getApplicationBlocked for user " + userId); 7835 PackageSetting pkgSetting; 7836 long callingId = Binder.clearCallingIdentity(); 7837 try { 7838 // writer 7839 synchronized (mPackages) { 7840 pkgSetting = mSettings.mPackages.get(packageName); 7841 if (pkgSetting == null) { 7842 return true; 7843 } 7844 return pkgSetting.getBlocked(userId); 7845 } 7846 } finally { 7847 Binder.restoreCallingIdentity(callingId); 7848 } 7849 } 7850 7851 void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer, 7852 int flags) { 7853 // TODO: install stage! 7854 try { 7855 observer.packageInstalled(basePackageName, null, 7856 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7857 } catch (RemoteException ignored) { 7858 } 7859 } 7860 7861 /** 7862 * @hide 7863 */ 7864 @Override 7865 public int installExistingPackageAsUser(String packageName, int userId) { 7866 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7867 null); 7868 PackageSetting pkgSetting; 7869 final int uid = Binder.getCallingUid(); 7870 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7871 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7872 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7873 } 7874 7875 long callingId = Binder.clearCallingIdentity(); 7876 try { 7877 boolean sendAdded = false; 7878 Bundle extras = new Bundle(1); 7879 7880 // writer 7881 synchronized (mPackages) { 7882 pkgSetting = mSettings.mPackages.get(packageName); 7883 if (pkgSetting == null) { 7884 return PackageManager.INSTALL_FAILED_INVALID_URI; 7885 } 7886 if (!pkgSetting.getInstalled(userId)) { 7887 pkgSetting.setInstalled(true, userId); 7888 pkgSetting.setBlocked(false, userId); 7889 mSettings.writePackageRestrictionsLPr(userId); 7890 sendAdded = true; 7891 } 7892 } 7893 7894 if (sendAdded) { 7895 sendPackageAddedForUser(packageName, pkgSetting, userId); 7896 } 7897 } finally { 7898 Binder.restoreCallingIdentity(callingId); 7899 } 7900 7901 return PackageManager.INSTALL_SUCCEEDED; 7902 } 7903 7904 boolean isUserRestricted(int userId, String restrictionKey) { 7905 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7906 if (restrictions.getBoolean(restrictionKey, false)) { 7907 Log.w(TAG, "User is restricted: " + restrictionKey); 7908 return true; 7909 } 7910 return false; 7911 } 7912 7913 @Override 7914 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7915 mContext.enforceCallingOrSelfPermission( 7916 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7917 "Only package verification agents can verify applications"); 7918 7919 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7920 final PackageVerificationResponse response = new PackageVerificationResponse( 7921 verificationCode, Binder.getCallingUid()); 7922 msg.arg1 = id; 7923 msg.obj = response; 7924 mHandler.sendMessage(msg); 7925 } 7926 7927 @Override 7928 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7929 long millisecondsToDelay) { 7930 mContext.enforceCallingOrSelfPermission( 7931 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7932 "Only package verification agents can extend verification timeouts"); 7933 7934 final PackageVerificationState state = mPendingVerification.get(id); 7935 final PackageVerificationResponse response = new PackageVerificationResponse( 7936 verificationCodeAtTimeout, Binder.getCallingUid()); 7937 7938 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7939 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7940 } 7941 if (millisecondsToDelay < 0) { 7942 millisecondsToDelay = 0; 7943 } 7944 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7945 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7946 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7947 } 7948 7949 if ((state != null) && !state.timeoutExtended()) { 7950 state.extendTimeout(); 7951 7952 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7953 msg.arg1 = id; 7954 msg.obj = response; 7955 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7956 } 7957 } 7958 7959 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7960 int verificationCode, UserHandle user) { 7961 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7962 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7963 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7964 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7965 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7966 7967 mContext.sendBroadcastAsUser(intent, user, 7968 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7969 } 7970 7971 private ComponentName matchComponentForVerifier(String packageName, 7972 List<ResolveInfo> receivers) { 7973 ActivityInfo targetReceiver = null; 7974 7975 final int NR = receivers.size(); 7976 for (int i = 0; i < NR; i++) { 7977 final ResolveInfo info = receivers.get(i); 7978 if (info.activityInfo == null) { 7979 continue; 7980 } 7981 7982 if (packageName.equals(info.activityInfo.packageName)) { 7983 targetReceiver = info.activityInfo; 7984 break; 7985 } 7986 } 7987 7988 if (targetReceiver == null) { 7989 return null; 7990 } 7991 7992 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7993 } 7994 7995 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7996 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7997 if (pkgInfo.verifiers.length == 0) { 7998 return null; 7999 } 8000 8001 final int N = pkgInfo.verifiers.length; 8002 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8003 for (int i = 0; i < N; i++) { 8004 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8005 8006 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8007 receivers); 8008 if (comp == null) { 8009 continue; 8010 } 8011 8012 final int verifierUid = getUidForVerifier(verifierInfo); 8013 if (verifierUid == -1) { 8014 continue; 8015 } 8016 8017 if (DEBUG_VERIFY) { 8018 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8019 + " with the correct signature"); 8020 } 8021 sufficientVerifiers.add(comp); 8022 verificationState.addSufficientVerifier(verifierUid); 8023 } 8024 8025 return sufficientVerifiers; 8026 } 8027 8028 private int getUidForVerifier(VerifierInfo verifierInfo) { 8029 synchronized (mPackages) { 8030 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8031 if (pkg == null) { 8032 return -1; 8033 } else if (pkg.mSignatures.length != 1) { 8034 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8035 + " has more than one signature; ignoring"); 8036 return -1; 8037 } 8038 8039 /* 8040 * If the public key of the package's signature does not match 8041 * our expected public key, then this is a different package and 8042 * we should skip. 8043 */ 8044 8045 final byte[] expectedPublicKey; 8046 try { 8047 final Signature verifierSig = pkg.mSignatures[0]; 8048 final PublicKey publicKey = verifierSig.getPublicKey(); 8049 expectedPublicKey = publicKey.getEncoded(); 8050 } catch (CertificateException e) { 8051 return -1; 8052 } 8053 8054 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8055 8056 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8057 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8058 + " does not have the expected public key; ignoring"); 8059 return -1; 8060 } 8061 8062 return pkg.applicationInfo.uid; 8063 } 8064 } 8065 8066 @Override 8067 public void finishPackageInstall(int token) { 8068 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8069 8070 if (DEBUG_INSTALL) { 8071 Slog.v(TAG, "BM finishing package install for " + token); 8072 } 8073 8074 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8075 mHandler.sendMessage(msg); 8076 } 8077 8078 /** 8079 * Get the verification agent timeout. 8080 * 8081 * @return verification timeout in milliseconds 8082 */ 8083 private long getVerificationTimeout() { 8084 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8085 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8086 DEFAULT_VERIFICATION_TIMEOUT); 8087 } 8088 8089 /** 8090 * Get the default verification agent response code. 8091 * 8092 * @return default verification response code 8093 */ 8094 private int getDefaultVerificationResponse() { 8095 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8096 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8097 DEFAULT_VERIFICATION_RESPONSE); 8098 } 8099 8100 /** 8101 * Check whether or not package verification has been enabled. 8102 * 8103 * @return true if verification should be performed 8104 */ 8105 private boolean isVerificationEnabled(int flags) { 8106 if (!DEFAULT_VERIFY_ENABLE) { 8107 return false; 8108 } 8109 8110 // Check if installing from ADB 8111 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8112 // Do not run verification in a test harness environment 8113 if (ActivityManager.isRunningInTestHarness()) { 8114 return false; 8115 } 8116 // Check if the developer does not want package verification for ADB installs 8117 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8118 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8119 return false; 8120 } 8121 } 8122 8123 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8124 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8125 } 8126 8127 /** 8128 * Get the "allow unknown sources" setting. 8129 * 8130 * @return the current "allow unknown sources" setting 8131 */ 8132 private int getUnknownSourcesSettings() { 8133 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8134 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8135 -1); 8136 } 8137 8138 @Override 8139 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8140 final int uid = Binder.getCallingUid(); 8141 // writer 8142 synchronized (mPackages) { 8143 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8144 if (targetPackageSetting == null) { 8145 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8146 } 8147 8148 PackageSetting installerPackageSetting; 8149 if (installerPackageName != null) { 8150 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8151 if (installerPackageSetting == null) { 8152 throw new IllegalArgumentException("Unknown installer package: " 8153 + installerPackageName); 8154 } 8155 } else { 8156 installerPackageSetting = null; 8157 } 8158 8159 Signature[] callerSignature; 8160 Object obj = mSettings.getUserIdLPr(uid); 8161 if (obj != null) { 8162 if (obj instanceof SharedUserSetting) { 8163 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8164 } else if (obj instanceof PackageSetting) { 8165 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8166 } else { 8167 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8168 } 8169 } else { 8170 throw new SecurityException("Unknown calling uid " + uid); 8171 } 8172 8173 // Verify: can't set installerPackageName to a package that is 8174 // not signed with the same cert as the caller. 8175 if (installerPackageSetting != null) { 8176 if (compareSignatures(callerSignature, 8177 installerPackageSetting.signatures.mSignatures) 8178 != PackageManager.SIGNATURE_MATCH) { 8179 throw new SecurityException( 8180 "Caller does not have same cert as new installer package " 8181 + installerPackageName); 8182 } 8183 } 8184 8185 // Verify: if target already has an installer package, it must 8186 // be signed with the same cert as the caller. 8187 if (targetPackageSetting.installerPackageName != null) { 8188 PackageSetting setting = mSettings.mPackages.get( 8189 targetPackageSetting.installerPackageName); 8190 // If the currently set package isn't valid, then it's always 8191 // okay to change it. 8192 if (setting != null) { 8193 if (compareSignatures(callerSignature, 8194 setting.signatures.mSignatures) 8195 != PackageManager.SIGNATURE_MATCH) { 8196 throw new SecurityException( 8197 "Caller does not have same cert as old installer package " 8198 + targetPackageSetting.installerPackageName); 8199 } 8200 } 8201 } 8202 8203 // Okay! 8204 targetPackageSetting.installerPackageName = installerPackageName; 8205 scheduleWriteSettingsLocked(); 8206 } 8207 } 8208 8209 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8210 // Queue up an async operation since the package installation may take a little while. 8211 mHandler.post(new Runnable() { 8212 public void run() { 8213 mHandler.removeCallbacks(this); 8214 // Result object to be returned 8215 PackageInstalledInfo res = new PackageInstalledInfo(); 8216 res.returnCode = currentStatus; 8217 res.uid = -1; 8218 res.pkg = null; 8219 res.removedInfo = new PackageRemovedInfo(); 8220 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8221 args.doPreInstall(res.returnCode); 8222 synchronized (mInstallLock) { 8223 installPackageLI(args, true, res); 8224 } 8225 args.doPostInstall(res.returnCode, res.uid); 8226 } 8227 8228 // A restore should be performed at this point if (a) the install 8229 // succeeded, (b) the operation is not an update, and (c) the new 8230 // package has a backupAgent defined. 8231 final boolean update = res.removedInfo.removedPackage != null; 8232 boolean doRestore = (!update 8233 && res.pkg != null 8234 && res.pkg.applicationInfo.backupAgentName != null); 8235 8236 // Set up the post-install work request bookkeeping. This will be used 8237 // and cleaned up by the post-install event handling regardless of whether 8238 // there's a restore pass performed. Token values are >= 1. 8239 int token; 8240 if (mNextInstallToken < 0) mNextInstallToken = 1; 8241 token = mNextInstallToken++; 8242 8243 PostInstallData data = new PostInstallData(args, res); 8244 mRunningInstalls.put(token, data); 8245 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8246 8247 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8248 // Pass responsibility to the Backup Manager. It will perform a 8249 // restore if appropriate, then pass responsibility back to the 8250 // Package Manager to run the post-install observer callbacks 8251 // and broadcasts. 8252 IBackupManager bm = IBackupManager.Stub.asInterface( 8253 ServiceManager.getService(Context.BACKUP_SERVICE)); 8254 if (bm != null) { 8255 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8256 + " to BM for possible restore"); 8257 try { 8258 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8259 } catch (RemoteException e) { 8260 // can't happen; the backup manager is local 8261 } catch (Exception e) { 8262 Slog.e(TAG, "Exception trying to enqueue restore", e); 8263 doRestore = false; 8264 } 8265 } else { 8266 Slog.e(TAG, "Backup Manager not found!"); 8267 doRestore = false; 8268 } 8269 } 8270 8271 if (!doRestore) { 8272 // No restore possible, or the Backup Manager was mysteriously not 8273 // available -- just fire the post-install work request directly. 8274 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8275 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8276 mHandler.sendMessage(msg); 8277 } 8278 } 8279 }); 8280 } 8281 8282 private abstract class HandlerParams { 8283 private static final int MAX_RETRIES = 4; 8284 8285 /** 8286 * Number of times startCopy() has been attempted and had a non-fatal 8287 * error. 8288 */ 8289 private int mRetries = 0; 8290 8291 /** User handle for the user requesting the information or installation. */ 8292 private final UserHandle mUser; 8293 8294 HandlerParams(UserHandle user) { 8295 mUser = user; 8296 } 8297 8298 UserHandle getUser() { 8299 return mUser; 8300 } 8301 8302 final boolean startCopy() { 8303 boolean res; 8304 try { 8305 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8306 8307 if (++mRetries > MAX_RETRIES) { 8308 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8309 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8310 handleServiceError(); 8311 return false; 8312 } else { 8313 handleStartCopy(); 8314 res = true; 8315 } 8316 } catch (RemoteException e) { 8317 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8318 mHandler.sendEmptyMessage(MCS_RECONNECT); 8319 res = false; 8320 } 8321 handleReturnCode(); 8322 return res; 8323 } 8324 8325 final void serviceError() { 8326 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8327 handleServiceError(); 8328 handleReturnCode(); 8329 } 8330 8331 abstract void handleStartCopy() throws RemoteException; 8332 abstract void handleServiceError(); 8333 abstract void handleReturnCode(); 8334 } 8335 8336 class MeasureParams extends HandlerParams { 8337 private final PackageStats mStats; 8338 private boolean mSuccess; 8339 8340 private final IPackageStatsObserver mObserver; 8341 8342 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8343 super(new UserHandle(stats.userHandle)); 8344 mObserver = observer; 8345 mStats = stats; 8346 } 8347 8348 @Override 8349 public String toString() { 8350 return "MeasureParams{" 8351 + Integer.toHexString(System.identityHashCode(this)) 8352 + " " + mStats.packageName + "}"; 8353 } 8354 8355 @Override 8356 void handleStartCopy() throws RemoteException { 8357 synchronized (mInstallLock) { 8358 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8359 } 8360 8361 if (mSuccess) { 8362 final boolean mounted; 8363 if (Environment.isExternalStorageEmulated()) { 8364 mounted = true; 8365 } else { 8366 final String status = Environment.getExternalStorageState(); 8367 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8368 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8369 } 8370 8371 if (mounted) { 8372 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8373 8374 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8375 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8376 8377 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8378 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8379 8380 // Always subtract cache size, since it's a subdirectory 8381 mStats.externalDataSize -= mStats.externalCacheSize; 8382 8383 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8384 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8385 8386 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8387 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8388 } 8389 } 8390 } 8391 8392 @Override 8393 void handleReturnCode() { 8394 if (mObserver != null) { 8395 try { 8396 mObserver.onGetStatsCompleted(mStats, mSuccess); 8397 } catch (RemoteException e) { 8398 Slog.i(TAG, "Observer no longer exists."); 8399 } 8400 } 8401 } 8402 8403 @Override 8404 void handleServiceError() { 8405 Slog.e(TAG, "Could not measure application " + mStats.packageName 8406 + " external storage"); 8407 } 8408 } 8409 8410 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8411 throws RemoteException { 8412 long result = 0; 8413 for (File path : paths) { 8414 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8415 } 8416 return result; 8417 } 8418 8419 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8420 for (File path : paths) { 8421 try { 8422 mcs.clearDirectory(path.getAbsolutePath()); 8423 } catch (RemoteException e) { 8424 } 8425 } 8426 } 8427 8428 class InstallParams extends HandlerParams { 8429 final IPackageInstallObserver observer; 8430 final IPackageInstallObserver2 observer2; 8431 int flags; 8432 8433 private final Uri mPackageURI; 8434 final String installerPackageName; 8435 final VerificationParams verificationParams; 8436 private InstallArgs mArgs; 8437 private int mRet; 8438 private File mTempPackage; 8439 final ContainerEncryptionParams encryptionParams; 8440 final String packageAbiOverride; 8441 final String packageInstructionSetOverride; 8442 8443 InstallParams(Uri packageURI, 8444 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8445 int flags, String installerPackageName, VerificationParams verificationParams, 8446 ContainerEncryptionParams encryptionParams, UserHandle user, 8447 String packageAbiOverride) { 8448 super(user); 8449 this.mPackageURI = packageURI; 8450 this.flags = flags; 8451 this.observer = observer; 8452 this.observer2 = observer2; 8453 this.installerPackageName = installerPackageName; 8454 this.verificationParams = verificationParams; 8455 this.encryptionParams = encryptionParams; 8456 this.packageAbiOverride = packageAbiOverride; 8457 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8458 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8459 } 8460 8461 @Override 8462 public String toString() { 8463 return "InstallParams{" 8464 + Integer.toHexString(System.identityHashCode(this)) 8465 + " " + mPackageURI + "}"; 8466 } 8467 8468 public ManifestDigest getManifestDigest() { 8469 if (verificationParams == null) { 8470 return null; 8471 } 8472 return verificationParams.getManifestDigest(); 8473 } 8474 8475 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8476 String packageName = pkgLite.packageName; 8477 int installLocation = pkgLite.installLocation; 8478 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8479 // reader 8480 synchronized (mPackages) { 8481 PackageParser.Package pkg = mPackages.get(packageName); 8482 if (pkg != null) { 8483 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8484 // Check for downgrading. 8485 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8486 if (pkgLite.versionCode < pkg.mVersionCode) { 8487 Slog.w(TAG, "Can't install update of " + packageName 8488 + " update version " + pkgLite.versionCode 8489 + " is older than installed version " 8490 + pkg.mVersionCode); 8491 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8492 } 8493 } 8494 // Check for updated system application. 8495 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8496 if (onSd) { 8497 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8498 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8499 } 8500 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8501 } else { 8502 if (onSd) { 8503 // Install flag overrides everything. 8504 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8505 } 8506 // If current upgrade specifies particular preference 8507 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8508 // Application explicitly specified internal. 8509 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8510 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8511 // App explictly prefers external. Let policy decide 8512 } else { 8513 // Prefer previous location 8514 if (isExternal(pkg)) { 8515 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8516 } 8517 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8518 } 8519 } 8520 } else { 8521 // Invalid install. Return error code 8522 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8523 } 8524 } 8525 } 8526 // All the special cases have been taken care of. 8527 // Return result based on recommended install location. 8528 if (onSd) { 8529 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8530 } 8531 return pkgLite.recommendedInstallLocation; 8532 } 8533 8534 private long getMemoryLowThreshold() { 8535 final DeviceStorageMonitorInternal 8536 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8537 if (dsm == null) { 8538 return 0L; 8539 } 8540 return dsm.getMemoryLowThreshold(); 8541 } 8542 8543 /* 8544 * Invoke remote method to get package information and install 8545 * location values. Override install location based on default 8546 * policy if needed and then create install arguments based 8547 * on the install location. 8548 */ 8549 public void handleStartCopy() throws RemoteException { 8550 int ret = PackageManager.INSTALL_SUCCEEDED; 8551 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8552 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8553 PackageInfoLite pkgLite = null; 8554 8555 if (onInt && onSd) { 8556 // Check if both bits are set. 8557 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8558 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8559 } else { 8560 final long lowThreshold = getMemoryLowThreshold(); 8561 if (lowThreshold == 0L) { 8562 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8563 } 8564 8565 try { 8566 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8567 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8568 8569 final File packageFile; 8570 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8571 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8572 if (mTempPackage != null) { 8573 ParcelFileDescriptor out; 8574 try { 8575 out = ParcelFileDescriptor.open(mTempPackage, 8576 ParcelFileDescriptor.MODE_READ_WRITE); 8577 } catch (FileNotFoundException e) { 8578 out = null; 8579 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8580 } 8581 8582 // Make a temporary file for decryption. 8583 ret = mContainerService 8584 .copyResource(mPackageURI, encryptionParams, out); 8585 IoUtils.closeQuietly(out); 8586 8587 packageFile = mTempPackage; 8588 8589 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8590 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8591 | FileUtils.S_IROTH, 8592 -1, -1); 8593 } else { 8594 packageFile = null; 8595 } 8596 } else { 8597 packageFile = new File(mPackageURI.getPath()); 8598 } 8599 8600 if (packageFile != null) { 8601 // Remote call to find out default install location 8602 final String packageFilePath = packageFile.getAbsolutePath(); 8603 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8604 lowThreshold, packageAbiOverride); 8605 8606 /* 8607 * If we have too little free space, try to free cache 8608 * before giving up. 8609 */ 8610 if (pkgLite.recommendedInstallLocation 8611 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8612 final long size = mContainerService.calculateInstalledSize( 8613 packageFilePath, isForwardLocked(), packageAbiOverride); 8614 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8615 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8616 flags, lowThreshold, packageAbiOverride); 8617 } 8618 /* 8619 * The cache free must have deleted the file we 8620 * downloaded to install. 8621 * 8622 * TODO: fix the "freeCache" call to not delete 8623 * the file we care about. 8624 */ 8625 if (pkgLite.recommendedInstallLocation 8626 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8627 pkgLite.recommendedInstallLocation 8628 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8629 } 8630 } 8631 } 8632 } finally { 8633 mContext.revokeUriPermission(mPackageURI, 8634 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8635 } 8636 } 8637 8638 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8639 int loc = pkgLite.recommendedInstallLocation; 8640 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8641 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8642 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8643 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8644 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8645 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8646 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8647 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8648 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8649 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8650 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8651 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8652 } else { 8653 // Override with defaults if needed. 8654 loc = installLocationPolicy(pkgLite, flags); 8655 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8656 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8657 } else if (!onSd && !onInt) { 8658 // Override install location with flags 8659 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8660 // Set the flag to install on external media. 8661 flags |= PackageManager.INSTALL_EXTERNAL; 8662 flags &= ~PackageManager.INSTALL_INTERNAL; 8663 } else { 8664 // Make sure the flag for installing on external 8665 // media is unset 8666 flags |= PackageManager.INSTALL_INTERNAL; 8667 flags &= ~PackageManager.INSTALL_EXTERNAL; 8668 } 8669 } 8670 } 8671 } 8672 8673 final InstallArgs args = createInstallArgs(this); 8674 mArgs = args; 8675 8676 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8677 /* 8678 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8679 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8680 */ 8681 int userIdentifier = getUser().getIdentifier(); 8682 if (userIdentifier == UserHandle.USER_ALL 8683 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8684 userIdentifier = UserHandle.USER_OWNER; 8685 } 8686 8687 /* 8688 * Determine if we have any installed package verifiers. If we 8689 * do, then we'll defer to them to verify the packages. 8690 */ 8691 final int requiredUid = mRequiredVerifierPackage == null ? -1 8692 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8693 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8694 final Intent verification = new Intent( 8695 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8696 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8697 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8698 8699 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8700 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8701 0 /* TODO: Which userId? */); 8702 8703 if (DEBUG_VERIFY) { 8704 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8705 + verification.toString() + " with " + pkgLite.verifiers.length 8706 + " optional verifiers"); 8707 } 8708 8709 final int verificationId = mPendingVerificationToken++; 8710 8711 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8712 8713 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8714 installerPackageName); 8715 8716 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8717 8718 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8719 pkgLite.packageName); 8720 8721 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8722 pkgLite.versionCode); 8723 8724 if (verificationParams != null) { 8725 if (verificationParams.getVerificationURI() != null) { 8726 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8727 verificationParams.getVerificationURI()); 8728 } 8729 if (verificationParams.getOriginatingURI() != null) { 8730 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8731 verificationParams.getOriginatingURI()); 8732 } 8733 if (verificationParams.getReferrer() != null) { 8734 verification.putExtra(Intent.EXTRA_REFERRER, 8735 verificationParams.getReferrer()); 8736 } 8737 if (verificationParams.getOriginatingUid() >= 0) { 8738 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8739 verificationParams.getOriginatingUid()); 8740 } 8741 if (verificationParams.getInstallerUid() >= 0) { 8742 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8743 verificationParams.getInstallerUid()); 8744 } 8745 } 8746 8747 final PackageVerificationState verificationState = new PackageVerificationState( 8748 requiredUid, args); 8749 8750 mPendingVerification.append(verificationId, verificationState); 8751 8752 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8753 receivers, verificationState); 8754 8755 /* 8756 * If any sufficient verifiers were listed in the package 8757 * manifest, attempt to ask them. 8758 */ 8759 if (sufficientVerifiers != null) { 8760 final int N = sufficientVerifiers.size(); 8761 if (N == 0) { 8762 Slog.i(TAG, "Additional verifiers required, but none installed."); 8763 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8764 } else { 8765 for (int i = 0; i < N; i++) { 8766 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8767 8768 final Intent sufficientIntent = new Intent(verification); 8769 sufficientIntent.setComponent(verifierComponent); 8770 8771 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8772 } 8773 } 8774 } 8775 8776 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8777 mRequiredVerifierPackage, receivers); 8778 if (ret == PackageManager.INSTALL_SUCCEEDED 8779 && mRequiredVerifierPackage != null) { 8780 /* 8781 * Send the intent to the required verification agent, 8782 * but only start the verification timeout after the 8783 * target BroadcastReceivers have run. 8784 */ 8785 verification.setComponent(requiredVerifierComponent); 8786 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8787 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8788 new BroadcastReceiver() { 8789 @Override 8790 public void onReceive(Context context, Intent intent) { 8791 final Message msg = mHandler 8792 .obtainMessage(CHECK_PENDING_VERIFICATION); 8793 msg.arg1 = verificationId; 8794 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8795 } 8796 }, null, 0, null, null); 8797 8798 /* 8799 * We don't want the copy to proceed until verification 8800 * succeeds, so null out this field. 8801 */ 8802 mArgs = null; 8803 } 8804 } else { 8805 /* 8806 * No package verification is enabled, so immediately start 8807 * the remote call to initiate copy using temporary file. 8808 */ 8809 ret = args.copyApk(mContainerService, true); 8810 } 8811 } 8812 8813 mRet = ret; 8814 } 8815 8816 @Override 8817 void handleReturnCode() { 8818 // If mArgs is null, then MCS couldn't be reached. When it 8819 // reconnects, it will try again to install. At that point, this 8820 // will succeed. 8821 if (mArgs != null) { 8822 processPendingInstall(mArgs, mRet); 8823 8824 if (mTempPackage != null) { 8825 if (!mTempPackage.delete()) { 8826 Slog.w(TAG, "Couldn't delete temporary file: " + 8827 mTempPackage.getAbsolutePath()); 8828 } 8829 } 8830 } 8831 } 8832 8833 @Override 8834 void handleServiceError() { 8835 mArgs = createInstallArgs(this); 8836 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8837 } 8838 8839 public boolean isForwardLocked() { 8840 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8841 } 8842 8843 public Uri getPackageUri() { 8844 if (mTempPackage != null) { 8845 return Uri.fromFile(mTempPackage); 8846 } else { 8847 return mPackageURI; 8848 } 8849 } 8850 } 8851 8852 /* 8853 * Utility class used in movePackage api. 8854 * srcArgs and targetArgs are not set for invalid flags and make 8855 * sure to do null checks when invoking methods on them. 8856 * We probably want to return ErrorPrams for both failed installs 8857 * and moves. 8858 */ 8859 class MoveParams extends HandlerParams { 8860 final IPackageMoveObserver observer; 8861 final int flags; 8862 final String packageName; 8863 final InstallArgs srcArgs; 8864 final InstallArgs targetArgs; 8865 int uid; 8866 int mRet; 8867 8868 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8869 String packageName, String dataDir, String instructionSet, 8870 int uid, UserHandle user) { 8871 super(user); 8872 this.srcArgs = srcArgs; 8873 this.observer = observer; 8874 this.flags = flags; 8875 this.packageName = packageName; 8876 this.uid = uid; 8877 if (srcArgs != null) { 8878 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8879 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8880 } else { 8881 targetArgs = null; 8882 } 8883 } 8884 8885 @Override 8886 public String toString() { 8887 return "MoveParams{" 8888 + Integer.toHexString(System.identityHashCode(this)) 8889 + " " + packageName + "}"; 8890 } 8891 8892 public void handleStartCopy() throws RemoteException { 8893 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8894 // Check for storage space on target medium 8895 if (!targetArgs.checkFreeStorage(mContainerService)) { 8896 Log.w(TAG, "Insufficient storage to install"); 8897 return; 8898 } 8899 8900 mRet = srcArgs.doPreCopy(); 8901 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8902 return; 8903 } 8904 8905 mRet = targetArgs.copyApk(mContainerService, false); 8906 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8907 srcArgs.doPostCopy(uid); 8908 return; 8909 } 8910 8911 mRet = srcArgs.doPostCopy(uid); 8912 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8913 return; 8914 } 8915 8916 mRet = targetArgs.doPreInstall(mRet); 8917 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8918 return; 8919 } 8920 8921 if (DEBUG_SD_INSTALL) { 8922 StringBuilder builder = new StringBuilder(); 8923 if (srcArgs != null) { 8924 builder.append("src: "); 8925 builder.append(srcArgs.getCodePath()); 8926 } 8927 if (targetArgs != null) { 8928 builder.append(" target : "); 8929 builder.append(targetArgs.getCodePath()); 8930 } 8931 Log.i(TAG, builder.toString()); 8932 } 8933 } 8934 8935 @Override 8936 void handleReturnCode() { 8937 targetArgs.doPostInstall(mRet, uid); 8938 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8939 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8940 currentStatus = PackageManager.MOVE_SUCCEEDED; 8941 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8942 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8943 } 8944 processPendingMove(this, currentStatus); 8945 } 8946 8947 @Override 8948 void handleServiceError() { 8949 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8950 } 8951 } 8952 8953 /** 8954 * Used during creation of InstallArgs 8955 * 8956 * @param flags package installation flags 8957 * @return true if should be installed on external storage 8958 */ 8959 private static boolean installOnSd(int flags) { 8960 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8961 return false; 8962 } 8963 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8964 return true; 8965 } 8966 return false; 8967 } 8968 8969 /** 8970 * Used during creation of InstallArgs 8971 * 8972 * @param flags package installation flags 8973 * @return true if should be installed as forward locked 8974 */ 8975 private static boolean installForwardLocked(int flags) { 8976 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8977 } 8978 8979 private InstallArgs createInstallArgs(InstallParams params) { 8980 if (installOnSd(params.flags) || params.isForwardLocked()) { 8981 return new AsecInstallArgs(params); 8982 } else { 8983 return new FileInstallArgs(params); 8984 } 8985 } 8986 8987 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8988 String nativeLibraryPath, String instructionSet) { 8989 final boolean isInAsec; 8990 if (installOnSd(flags)) { 8991 /* Apps on SD card are always in ASEC containers. */ 8992 isInAsec = true; 8993 } else if (installForwardLocked(flags) 8994 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8995 /* 8996 * Forward-locked apps are only in ASEC containers if they're the 8997 * new style 8998 */ 8999 isInAsec = true; 9000 } else { 9001 isInAsec = false; 9002 } 9003 9004 if (isInAsec) { 9005 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 9006 instructionSet, installOnSd(flags), installForwardLocked(flags)); 9007 } else { 9008 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 9009 instructionSet); 9010 } 9011 } 9012 9013 // Used by package mover 9014 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 9015 String instructionSet) { 9016 if (installOnSd(flags) || installForwardLocked(flags)) { 9017 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 9018 + AsecInstallArgs.RES_FILE_NAME); 9019 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 9020 installForwardLocked(flags)); 9021 } else { 9022 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 9023 } 9024 } 9025 9026 static abstract class InstallArgs { 9027 final IPackageInstallObserver observer; 9028 final IPackageInstallObserver2 observer2; 9029 // Always refers to PackageManager flags only 9030 final int flags; 9031 final Uri packageURI; 9032 final String installerPackageName; 9033 final ManifestDigest manifestDigest; 9034 final UserHandle user; 9035 final String instructionSet; 9036 final String abiOverride; 9037 9038 InstallArgs(Uri packageURI, 9039 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 9040 int flags, String installerPackageName, ManifestDigest manifestDigest, 9041 UserHandle user, String instructionSet, String abiOverride) { 9042 this.packageURI = packageURI; 9043 this.flags = flags; 9044 this.observer = observer; 9045 this.observer2 = observer2; 9046 this.installerPackageName = installerPackageName; 9047 this.manifestDigest = manifestDigest; 9048 this.user = user; 9049 this.instructionSet = instructionSet; 9050 this.abiOverride = abiOverride; 9051 } 9052 9053 abstract void createCopyFile(); 9054 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9055 abstract int doPreInstall(int status); 9056 abstract boolean doRename(int status, String pkgName, String oldCodePath); 9057 9058 abstract int doPostInstall(int status, int uid); 9059 abstract String getCodePath(); 9060 abstract String getResourcePath(); 9061 abstract String getNativeLibraryPath(); 9062 // Need installer lock especially for dex file removal. 9063 abstract void cleanUpResourcesLI(); 9064 abstract boolean doPostDeleteLI(boolean delete); 9065 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9066 9067 /** 9068 * Called before the source arguments are copied. This is used mostly 9069 * for MoveParams when it needs to read the source file to put it in the 9070 * destination. 9071 */ 9072 int doPreCopy() { 9073 return PackageManager.INSTALL_SUCCEEDED; 9074 } 9075 9076 /** 9077 * Called after the source arguments are copied. This is used mostly for 9078 * MoveParams when it needs to read the source file to put it in the 9079 * destination. 9080 * 9081 * @return 9082 */ 9083 int doPostCopy(int uid) { 9084 return PackageManager.INSTALL_SUCCEEDED; 9085 } 9086 9087 protected boolean isFwdLocked() { 9088 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9089 } 9090 9091 UserHandle getUser() { 9092 return user; 9093 } 9094 } 9095 9096 class FileInstallArgs extends InstallArgs { 9097 File installDir; 9098 String codeFileName; 9099 String resourceFileName; 9100 String libraryPath; 9101 boolean created = false; 9102 9103 FileInstallArgs(InstallParams params) { 9104 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9105 params.installerPackageName, params.getManifestDigest(), 9106 params.getUser(), params.packageInstructionSetOverride, 9107 params.packageAbiOverride); 9108 } 9109 9110 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9111 String instructionSet) { 9112 super(null, null, null, 0, null, null, null, instructionSet, null); 9113 File codeFile = new File(fullCodePath); 9114 installDir = codeFile.getParentFile(); 9115 codeFileName = fullCodePath; 9116 resourceFileName = fullResourcePath; 9117 libraryPath = nativeLibraryPath; 9118 } 9119 9120 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 9121 super(packageURI, null, null, 0, null, null, null, instructionSet, null); 9122 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9123 String apkName = getNextCodePath(null, pkgName, ".apk"); 9124 codeFileName = new File(installDir, apkName + ".apk").getPath(); 9125 resourceFileName = getResourcePathFromCodePath(); 9126 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 9127 } 9128 9129 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9130 final long lowThreshold; 9131 9132 final DeviceStorageMonitorInternal 9133 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9134 if (dsm == null) { 9135 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9136 lowThreshold = 0L; 9137 } else { 9138 if (dsm.isMemoryLow()) { 9139 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9140 return false; 9141 } 9142 9143 lowThreshold = dsm.getMemoryLowThreshold(); 9144 } 9145 9146 try { 9147 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9148 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9149 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9150 } finally { 9151 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9152 } 9153 } 9154 9155 String getCodePath() { 9156 return codeFileName; 9157 } 9158 9159 void createCopyFile() { 9160 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9161 codeFileName = createTempPackageFile(installDir).getPath(); 9162 resourceFileName = getResourcePathFromCodePath(); 9163 libraryPath = getLibraryPathFromCodePath(); 9164 created = true; 9165 } 9166 9167 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9168 if (temp) { 9169 // Generate temp file name 9170 createCopyFile(); 9171 } 9172 // Get a ParcelFileDescriptor to write to the output file 9173 File codeFile = new File(codeFileName); 9174 if (!created) { 9175 try { 9176 codeFile.createNewFile(); 9177 // Set permissions 9178 if (!setPermissions()) { 9179 // Failed setting permissions. 9180 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9181 } 9182 } catch (IOException e) { 9183 Slog.w(TAG, "Failed to create file " + codeFile); 9184 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9185 } 9186 } 9187 ParcelFileDescriptor out = null; 9188 try { 9189 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9190 } catch (FileNotFoundException e) { 9191 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9192 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9193 } 9194 // Copy the resource now 9195 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9196 try { 9197 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9198 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9199 ret = imcs.copyResource(packageURI, null, out); 9200 } finally { 9201 IoUtils.closeQuietly(out); 9202 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9203 } 9204 9205 if (isFwdLocked()) { 9206 final File destResourceFile = new File(getResourcePath()); 9207 9208 // Copy the public files 9209 try { 9210 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9211 } catch (IOException e) { 9212 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9213 + " forward-locked app."); 9214 destResourceFile.delete(); 9215 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9216 } 9217 } 9218 9219 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9220 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9221 if (nativeLibraryFile.exists()) { 9222 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9223 nativeLibraryFile.delete(); 9224 } 9225 9226 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(codeFile); 9227 String[] abiList = (abiOverride != null) ? 9228 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9229 try { 9230 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 9231 abiOverride == null && 9232 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9233 abiList = Build.SUPPORTED_32_BIT_ABIS; 9234 } 9235 9236 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 9237 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9238 return copyRet; 9239 } 9240 } catch (IOException e) { 9241 Slog.e(TAG, "Copying native libraries failed", e); 9242 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9243 } finally { 9244 handle.close(); 9245 } 9246 9247 return ret; 9248 } 9249 9250 int doPreInstall(int status) { 9251 if (status != PackageManager.INSTALL_SUCCEEDED) { 9252 cleanUp(); 9253 } 9254 return status; 9255 } 9256 9257 boolean doRename(int status, final String pkgName, String oldCodePath) { 9258 if (status != PackageManager.INSTALL_SUCCEEDED) { 9259 cleanUp(); 9260 return false; 9261 } else { 9262 final File oldCodeFile = new File(getCodePath()); 9263 final File oldResourceFile = new File(getResourcePath()); 9264 final File oldLibraryFile = new File(getNativeLibraryPath()); 9265 9266 // Rename APK file based on packageName 9267 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9268 final File newCodeFile = new File(installDir, apkName + ".apk"); 9269 if (!oldCodeFile.renameTo(newCodeFile)) { 9270 return false; 9271 } 9272 codeFileName = newCodeFile.getPath(); 9273 9274 // Rename public resource file if it's forward-locked. 9275 final File newResFile = new File(getResourcePathFromCodePath()); 9276 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9277 return false; 9278 } 9279 resourceFileName = newResFile.getPath(); 9280 9281 // Rename library path 9282 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9283 if (newLibraryFile.exists()) { 9284 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9285 newLibraryFile.delete(); 9286 } 9287 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9288 Slog.e(TAG, "Cannot rename native library directory " 9289 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9290 return false; 9291 } 9292 libraryPath = newLibraryFile.getPath(); 9293 9294 // Attempt to set permissions 9295 if (!setPermissions()) { 9296 return false; 9297 } 9298 9299 if (!SELinux.restorecon(newCodeFile)) { 9300 return false; 9301 } 9302 9303 return true; 9304 } 9305 } 9306 9307 int doPostInstall(int status, int uid) { 9308 if (status != PackageManager.INSTALL_SUCCEEDED) { 9309 cleanUp(); 9310 } 9311 return status; 9312 } 9313 9314 String getResourcePath() { 9315 return resourceFileName; 9316 } 9317 9318 private String getResourcePathFromCodePath() { 9319 final String codePath = getCodePath(); 9320 if (isFwdLocked()) { 9321 final StringBuilder sb = new StringBuilder(); 9322 9323 sb.append(mAppInstallDir.getPath()); 9324 sb.append('/'); 9325 sb.append(getApkName(codePath)); 9326 sb.append(".zip"); 9327 9328 /* 9329 * If our APK is a temporary file, mark the resource as a 9330 * temporary file as well so it can be cleaned up after 9331 * catastrophic failure. 9332 */ 9333 if (codePath.endsWith(".tmp")) { 9334 sb.append(".tmp"); 9335 } 9336 9337 return sb.toString(); 9338 } else { 9339 return codePath; 9340 } 9341 } 9342 9343 private String getLibraryPathFromCodePath() { 9344 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9345 } 9346 9347 @Override 9348 String getNativeLibraryPath() { 9349 if (libraryPath == null) { 9350 libraryPath = getLibraryPathFromCodePath(); 9351 } 9352 return libraryPath; 9353 } 9354 9355 private boolean cleanUp() { 9356 boolean ret = true; 9357 String sourceDir = getCodePath(); 9358 String publicSourceDir = getResourcePath(); 9359 if (sourceDir != null) { 9360 File sourceFile = new File(sourceDir); 9361 if (!sourceFile.exists()) { 9362 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9363 ret = false; 9364 } 9365 // Delete application's code and resources 9366 sourceFile.delete(); 9367 } 9368 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9369 final File publicSourceFile = new File(publicSourceDir); 9370 if (!publicSourceFile.exists()) { 9371 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9372 } 9373 if (publicSourceFile.exists()) { 9374 publicSourceFile.delete(); 9375 } 9376 } 9377 9378 if (libraryPath != null) { 9379 File nativeLibraryFile = new File(libraryPath); 9380 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9381 if (!nativeLibraryFile.delete()) { 9382 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9383 } 9384 } 9385 9386 return ret; 9387 } 9388 9389 void cleanUpResourcesLI() { 9390 String sourceDir = getCodePath(); 9391 if (cleanUp()) { 9392 if (instructionSet == null) { 9393 throw new IllegalStateException("instructionSet == null"); 9394 } 9395 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9396 if (retCode < 0) { 9397 Slog.w(TAG, "Couldn't remove dex file for package: " 9398 + " at location " 9399 + sourceDir + ", retcode=" + retCode); 9400 // we don't consider this to be a failure of the core package deletion 9401 } 9402 } 9403 } 9404 9405 private boolean setPermissions() { 9406 // TODO Do this in a more elegant way later on. for now just a hack 9407 if (!isFwdLocked()) { 9408 final int filePermissions = 9409 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9410 |FileUtils.S_IROTH; 9411 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9412 if (retCode != 0) { 9413 Slog.e(TAG, "Couldn't set new package file permissions for " + 9414 getCodePath() 9415 + ". The return code was: " + retCode); 9416 // TODO Define new internal error 9417 return false; 9418 } 9419 return true; 9420 } 9421 return true; 9422 } 9423 9424 boolean doPostDeleteLI(boolean delete) { 9425 // XXX err, shouldn't we respect the delete flag? 9426 cleanUpResourcesLI(); 9427 return true; 9428 } 9429 } 9430 9431 private boolean isAsecExternal(String cid) { 9432 final String asecPath = PackageHelper.getSdFilesystem(cid); 9433 return !asecPath.startsWith(mAsecInternalPath); 9434 } 9435 9436 /** 9437 * Extract the MountService "container ID" from the full code path of an 9438 * .apk. 9439 */ 9440 static String cidFromCodePath(String fullCodePath) { 9441 int eidx = fullCodePath.lastIndexOf("/"); 9442 String subStr1 = fullCodePath.substring(0, eidx); 9443 int sidx = subStr1.lastIndexOf("/"); 9444 return subStr1.substring(sidx+1, eidx); 9445 } 9446 9447 class AsecInstallArgs extends InstallArgs { 9448 static final String RES_FILE_NAME = "pkg.apk"; 9449 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9450 9451 String cid; 9452 String packagePath; 9453 String resourcePath; 9454 String libraryPath; 9455 9456 AsecInstallArgs(InstallParams params) { 9457 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9458 params.installerPackageName, params.getManifestDigest(), 9459 params.getUser(), params.packageInstructionSetOverride, 9460 params.packageAbiOverride); 9461 } 9462 9463 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9464 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9465 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9466 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9467 null, null, null, instructionSet, null); 9468 // Extract cid from fullCodePath 9469 int eidx = fullCodePath.lastIndexOf("/"); 9470 String subStr1 = fullCodePath.substring(0, eidx); 9471 int sidx = subStr1.lastIndexOf("/"); 9472 cid = subStr1.substring(sidx+1, eidx); 9473 setCachePath(subStr1); 9474 } 9475 9476 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9477 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9478 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9479 null, null, null, instructionSet, null); 9480 this.cid = cid; 9481 setCachePath(PackageHelper.getSdDir(cid)); 9482 } 9483 9484 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9485 boolean isExternal, boolean isForwardLocked) { 9486 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9487 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9488 null, null, null, instructionSet, null); 9489 this.cid = cid; 9490 } 9491 9492 void createCopyFile() { 9493 cid = getTempContainerId(); 9494 } 9495 9496 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9497 try { 9498 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9499 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9500 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9501 } finally { 9502 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9503 } 9504 } 9505 9506 private final boolean isExternal() { 9507 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9508 } 9509 9510 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9511 if (temp) { 9512 createCopyFile(); 9513 } else { 9514 /* 9515 * Pre-emptively destroy the container since it's destroyed if 9516 * copying fails due to it existing anyway. 9517 */ 9518 PackageHelper.destroySdDir(cid); 9519 } 9520 9521 final String newCachePath; 9522 try { 9523 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9524 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9525 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9526 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9527 abiOverride); 9528 } finally { 9529 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9530 } 9531 9532 if (newCachePath != null) { 9533 setCachePath(newCachePath); 9534 return PackageManager.INSTALL_SUCCEEDED; 9535 } else { 9536 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9537 } 9538 } 9539 9540 @Override 9541 String getCodePath() { 9542 return packagePath; 9543 } 9544 9545 @Override 9546 String getResourcePath() { 9547 return resourcePath; 9548 } 9549 9550 @Override 9551 String getNativeLibraryPath() { 9552 return libraryPath; 9553 } 9554 9555 int doPreInstall(int status) { 9556 if (status != PackageManager.INSTALL_SUCCEEDED) { 9557 // Destroy container 9558 PackageHelper.destroySdDir(cid); 9559 } else { 9560 boolean mounted = PackageHelper.isContainerMounted(cid); 9561 if (!mounted) { 9562 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9563 Process.SYSTEM_UID); 9564 if (newCachePath != null) { 9565 setCachePath(newCachePath); 9566 } else { 9567 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9568 } 9569 } 9570 } 9571 return status; 9572 } 9573 9574 boolean doRename(int status, final String pkgName, 9575 String oldCodePath) { 9576 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9577 String newCachePath = null; 9578 if (PackageHelper.isContainerMounted(cid)) { 9579 // Unmount the container 9580 if (!PackageHelper.unMountSdDir(cid)) { 9581 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9582 return false; 9583 } 9584 } 9585 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9586 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9587 " which might be stale. Will try to clean up."); 9588 // Clean up the stale container and proceed to recreate. 9589 if (!PackageHelper.destroySdDir(newCacheId)) { 9590 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9591 return false; 9592 } 9593 // Successfully cleaned up stale container. Try to rename again. 9594 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9595 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9596 + " inspite of cleaning it up."); 9597 return false; 9598 } 9599 } 9600 if (!PackageHelper.isContainerMounted(newCacheId)) { 9601 Slog.w(TAG, "Mounting container " + newCacheId); 9602 newCachePath = PackageHelper.mountSdDir(newCacheId, 9603 getEncryptKey(), Process.SYSTEM_UID); 9604 } else { 9605 newCachePath = PackageHelper.getSdDir(newCacheId); 9606 } 9607 if (newCachePath == null) { 9608 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9609 return false; 9610 } 9611 Log.i(TAG, "Succesfully renamed " + cid + 9612 " to " + newCacheId + 9613 " at new path: " + newCachePath); 9614 cid = newCacheId; 9615 setCachePath(newCachePath); 9616 return true; 9617 } 9618 9619 private void setCachePath(String newCachePath) { 9620 File cachePath = new File(newCachePath); 9621 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9622 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9623 9624 if (isFwdLocked()) { 9625 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9626 } else { 9627 resourcePath = packagePath; 9628 } 9629 } 9630 9631 int doPostInstall(int status, int uid) { 9632 if (status != PackageManager.INSTALL_SUCCEEDED) { 9633 cleanUp(); 9634 } else { 9635 final int groupOwner; 9636 final String protectedFile; 9637 if (isFwdLocked()) { 9638 groupOwner = UserHandle.getSharedAppGid(uid); 9639 protectedFile = RES_FILE_NAME; 9640 } else { 9641 groupOwner = -1; 9642 protectedFile = null; 9643 } 9644 9645 if (uid < Process.FIRST_APPLICATION_UID 9646 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9647 Slog.e(TAG, "Failed to finalize " + cid); 9648 PackageHelper.destroySdDir(cid); 9649 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9650 } 9651 9652 boolean mounted = PackageHelper.isContainerMounted(cid); 9653 if (!mounted) { 9654 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9655 } 9656 } 9657 return status; 9658 } 9659 9660 private void cleanUp() { 9661 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9662 9663 // Destroy secure container 9664 PackageHelper.destroySdDir(cid); 9665 } 9666 9667 void cleanUpResourcesLI() { 9668 String sourceFile = getCodePath(); 9669 // Remove dex file 9670 if (instructionSet == null) { 9671 throw new IllegalStateException("instructionSet == null"); 9672 } 9673 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9674 if (retCode < 0) { 9675 Slog.w(TAG, "Couldn't remove dex file for package: " 9676 + " at location " 9677 + sourceFile.toString() + ", retcode=" + retCode); 9678 // we don't consider this to be a failure of the core package deletion 9679 } 9680 cleanUp(); 9681 } 9682 9683 boolean matchContainer(String app) { 9684 if (cid.startsWith(app)) { 9685 return true; 9686 } 9687 return false; 9688 } 9689 9690 String getPackageName() { 9691 return getAsecPackageName(cid); 9692 } 9693 9694 boolean doPostDeleteLI(boolean delete) { 9695 boolean ret = false; 9696 boolean mounted = PackageHelper.isContainerMounted(cid); 9697 if (mounted) { 9698 // Unmount first 9699 ret = PackageHelper.unMountSdDir(cid); 9700 } 9701 if (ret && delete) { 9702 cleanUpResourcesLI(); 9703 } 9704 return ret; 9705 } 9706 9707 @Override 9708 int doPreCopy() { 9709 if (isFwdLocked()) { 9710 if (!PackageHelper.fixSdPermissions(cid, 9711 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9712 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9713 } 9714 } 9715 9716 return PackageManager.INSTALL_SUCCEEDED; 9717 } 9718 9719 @Override 9720 int doPostCopy(int uid) { 9721 if (isFwdLocked()) { 9722 if (uid < Process.FIRST_APPLICATION_UID 9723 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9724 RES_FILE_NAME)) { 9725 Slog.e(TAG, "Failed to finalize " + cid); 9726 PackageHelper.destroySdDir(cid); 9727 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9728 } 9729 } 9730 9731 return PackageManager.INSTALL_SUCCEEDED; 9732 } 9733 }; 9734 9735 static String getAsecPackageName(String packageCid) { 9736 int idx = packageCid.lastIndexOf("-"); 9737 if (idx == -1) { 9738 return packageCid; 9739 } 9740 return packageCid.substring(0, idx); 9741 } 9742 9743 // Utility method used to create code paths based on package name and available index. 9744 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9745 String idxStr = ""; 9746 int idx = 1; 9747 // Fall back to default value of idx=1 if prefix is not 9748 // part of oldCodePath 9749 if (oldCodePath != null) { 9750 String subStr = oldCodePath; 9751 // Drop the suffix right away 9752 if (subStr.endsWith(suffix)) { 9753 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9754 } 9755 // If oldCodePath already contains prefix find out the 9756 // ending index to either increment or decrement. 9757 int sidx = subStr.lastIndexOf(prefix); 9758 if (sidx != -1) { 9759 subStr = subStr.substring(sidx + prefix.length()); 9760 if (subStr != null) { 9761 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9762 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9763 } 9764 try { 9765 idx = Integer.parseInt(subStr); 9766 if (idx <= 1) { 9767 idx++; 9768 } else { 9769 idx--; 9770 } 9771 } catch(NumberFormatException e) { 9772 } 9773 } 9774 } 9775 } 9776 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9777 return prefix + idxStr; 9778 } 9779 9780 // Utility method used to ignore ADD/REMOVE events 9781 // by directory observer. 9782 private static boolean ignoreCodePath(String fullPathStr) { 9783 String apkName = getApkName(fullPathStr); 9784 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9785 if (idx != -1 && ((idx+1) < apkName.length())) { 9786 // Make sure the package ends with a numeral 9787 String version = apkName.substring(idx+1); 9788 try { 9789 Integer.parseInt(version); 9790 return true; 9791 } catch (NumberFormatException e) {} 9792 } 9793 return false; 9794 } 9795 9796 // Utility method that returns the relative package path with respect 9797 // to the installation directory. Like say for /data/data/com.test-1.apk 9798 // string com.test-1 is returned. 9799 static String getApkName(String codePath) { 9800 if (codePath == null) { 9801 return null; 9802 } 9803 int sidx = codePath.lastIndexOf("/"); 9804 int eidx = codePath.lastIndexOf("."); 9805 if (eidx == -1) { 9806 eidx = codePath.length(); 9807 } else if (eidx == 0) { 9808 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9809 return null; 9810 } 9811 return codePath.substring(sidx+1, eidx); 9812 } 9813 9814 class PackageInstalledInfo { 9815 String name; 9816 int uid; 9817 // The set of users that originally had this package installed. 9818 int[] origUsers; 9819 // The set of users that now have this package installed. 9820 int[] newUsers; 9821 PackageParser.Package pkg; 9822 int returnCode; 9823 PackageRemovedInfo removedInfo; 9824 9825 // In some error cases we want to convey more info back to the observer 9826 String origPackage; 9827 String origPermission; 9828 } 9829 9830 /* 9831 * Install a non-existing package. 9832 */ 9833 private void installNewPackageLI(PackageParser.Package pkg, 9834 int parseFlags, int scanMode, UserHandle user, 9835 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9836 // Remember this for later, in case we need to rollback this install 9837 String pkgName = pkg.packageName; 9838 9839 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9840 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9841 synchronized(mPackages) { 9842 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9843 // A package with the same name is already installed, though 9844 // it has been renamed to an older name. The package we 9845 // are trying to install should be installed as an update to 9846 // the existing one, but that has not been requested, so bail. 9847 Slog.w(TAG, "Attempt to re-install " + pkgName 9848 + " without first uninstalling package running as " 9849 + mSettings.mRenamedPackages.get(pkgName)); 9850 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9851 return; 9852 } 9853 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9854 // Don't allow installation over an existing package with the same name. 9855 Slog.w(TAG, "Attempt to re-install " + pkgName 9856 + " without first uninstalling."); 9857 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9858 return; 9859 } 9860 } 9861 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9862 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9863 System.currentTimeMillis(), user, abiOverride); 9864 if (newPackage == null) { 9865 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9866 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9867 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9868 } 9869 } else { 9870 updateSettingsLI(newPackage, 9871 installerPackageName, 9872 null, null, 9873 res); 9874 // delete the partially installed application. the data directory will have to be 9875 // restored if it was already existing 9876 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9877 // remove package from internal structures. Note that we want deletePackageX to 9878 // delete the package data and cache directories that it created in 9879 // scanPackageLocked, unless those directories existed before we even tried to 9880 // install. 9881 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9882 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9883 res.removedInfo, true); 9884 } 9885 } 9886 } 9887 9888 private void replacePackageLI(PackageParser.Package pkg, 9889 int parseFlags, int scanMode, UserHandle user, 9890 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9891 9892 PackageParser.Package oldPackage; 9893 String pkgName = pkg.packageName; 9894 int[] allUsers; 9895 boolean[] perUserInstalled; 9896 9897 // First find the old package info and check signatures 9898 synchronized(mPackages) { 9899 oldPackage = mPackages.get(pkgName); 9900 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9901 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9902 != PackageManager.SIGNATURE_MATCH) { 9903 Slog.w(TAG, "New package has a different signature: " + pkgName); 9904 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9905 return; 9906 } 9907 9908 // In case of rollback, remember per-user/profile install state 9909 PackageSetting ps = mSettings.mPackages.get(pkgName); 9910 allUsers = sUserManager.getUserIds(); 9911 perUserInstalled = new boolean[allUsers.length]; 9912 for (int i = 0; i < allUsers.length; i++) { 9913 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9914 } 9915 } 9916 boolean sysPkg = (isSystemApp(oldPackage)); 9917 if (sysPkg) { 9918 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9919 user, allUsers, perUserInstalled, installerPackageName, res, 9920 abiOverride); 9921 } else { 9922 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9923 user, allUsers, perUserInstalled, installerPackageName, res, 9924 abiOverride); 9925 } 9926 } 9927 9928 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9929 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9930 int[] allUsers, boolean[] perUserInstalled, 9931 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9932 PackageParser.Package newPackage = null; 9933 String pkgName = deletedPackage.packageName; 9934 boolean deletedPkg = true; 9935 boolean updatedSettings = false; 9936 9937 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9938 + deletedPackage); 9939 long origUpdateTime; 9940 if (pkg.mExtras != null) { 9941 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9942 } else { 9943 origUpdateTime = 0; 9944 } 9945 9946 // First delete the existing package while retaining the data directory 9947 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9948 res.removedInfo, true)) { 9949 // If the existing package wasn't successfully deleted 9950 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9951 deletedPkg = false; 9952 } else { 9953 // Successfully deleted the old package. Now proceed with re-installation 9954 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9955 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9956 System.currentTimeMillis(), user, abiOverride); 9957 if (newPackage == null) { 9958 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9959 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9960 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9961 } 9962 } else { 9963 updateSettingsLI(newPackage, 9964 installerPackageName, 9965 allUsers, perUserInstalled, 9966 res); 9967 updatedSettings = true; 9968 } 9969 } 9970 9971 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9972 // remove package from internal structures. Note that we want deletePackageX to 9973 // delete the package data and cache directories that it created in 9974 // scanPackageLocked, unless those directories existed before we even tried to 9975 // install. 9976 if(updatedSettings) { 9977 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9978 deletePackageLI( 9979 pkgName, null, true, allUsers, perUserInstalled, 9980 PackageManager.DELETE_KEEP_DATA, 9981 res.removedInfo, true); 9982 } 9983 // Since we failed to install the new package we need to restore the old 9984 // package that we deleted. 9985 if (deletedPkg) { 9986 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9987 File restoreFile = new File(deletedPackage.mPath); 9988 // Parse old package 9989 boolean oldOnSd = isExternal(deletedPackage); 9990 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9991 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9992 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9993 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9994 | SCAN_UPDATE_TIME; 9995 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9996 origUpdateTime, null, null) == null) { 9997 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9998 return; 9999 } 10000 // Restore of old package succeeded. Update permissions. 10001 // writer 10002 synchronized (mPackages) { 10003 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10004 UPDATE_PERMISSIONS_ALL); 10005 // can downgrade to reader 10006 mSettings.writeLPr(); 10007 } 10008 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10009 } 10010 } 10011 } 10012 10013 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10014 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10015 int[] allUsers, boolean[] perUserInstalled, 10016 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10017 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10018 + ", old=" + deletedPackage); 10019 PackageParser.Package newPackage = null; 10020 boolean updatedSettings = false; 10021 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 10022 PackageParser.PARSE_IS_SYSTEM; 10023 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10024 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10025 } 10026 String packageName = deletedPackage.packageName; 10027 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10028 if (packageName == null) { 10029 Slog.w(TAG, "Attempt to delete null packageName."); 10030 return; 10031 } 10032 PackageParser.Package oldPkg; 10033 PackageSetting oldPkgSetting; 10034 // reader 10035 synchronized (mPackages) { 10036 oldPkg = mPackages.get(packageName); 10037 oldPkgSetting = mSettings.mPackages.get(packageName); 10038 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10039 (oldPkgSetting == null)) { 10040 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 10041 return; 10042 } 10043 } 10044 10045 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10046 10047 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10048 res.removedInfo.removedPackage = packageName; 10049 // Remove existing system package 10050 removePackageLI(oldPkgSetting, true); 10051 // writer 10052 synchronized (mPackages) { 10053 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10054 // We didn't need to disable the .apk as a current system package, 10055 // which means we are replacing another update that is already 10056 // installed. We need to make sure to delete the older one's .apk. 10057 res.removedInfo.args = createInstallArgs(0, 10058 deletedPackage.applicationInfo.sourceDir, 10059 deletedPackage.applicationInfo.publicSourceDir, 10060 deletedPackage.applicationInfo.nativeLibraryDir, 10061 getAppInstructionSet(deletedPackage.applicationInfo)); 10062 } else { 10063 res.removedInfo.args = null; 10064 } 10065 } 10066 10067 // Successfully disabled the old package. Now proceed with re-installation 10068 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10069 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10070 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10071 if (newPackage == null) { 10072 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 10073 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10074 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10075 } 10076 } else { 10077 if (newPackage.mExtras != null) { 10078 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10079 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10080 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10081 10082 // is the update attempting to change shared user? that isn't going to work... 10083 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10084 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10085 + " to " + newPkgSetting.sharedUser); 10086 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10087 updatedSettings = true; 10088 } 10089 } 10090 10091 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10092 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10093 updatedSettings = true; 10094 } 10095 } 10096 10097 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10098 // Re installation failed. Restore old information 10099 // Remove new pkg information 10100 if (newPackage != null) { 10101 removeInstalledPackageLI(newPackage, true); 10102 } 10103 // Add back the old system package 10104 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10105 // Restore the old system information in Settings 10106 synchronized(mPackages) { 10107 if (updatedSettings) { 10108 mSettings.enableSystemPackageLPw(packageName); 10109 mSettings.setInstallerPackageName(packageName, 10110 oldPkgSetting.installerPackageName); 10111 } 10112 mSettings.writeLPr(); 10113 } 10114 } 10115 } 10116 10117 // Utility method used to move dex files during install. 10118 private int moveDexFilesLI(PackageParser.Package newPackage) { 10119 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10120 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 10121 int retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath, 10122 instructionSet); 10123 if (retCode != 0) { 10124 /* 10125 * Programs may be lazily run through dexopt, so the 10126 * source may not exist. However, something seems to 10127 * have gone wrong, so note that dexopt needs to be 10128 * run again and remove the source file. In addition, 10129 * remove the target to make sure there isn't a stale 10130 * file from a previous version of the package. 10131 */ 10132 newPackage.mDexOptNeeded = true; 10133 mInstaller.rmdex(newPackage.mScanPath, instructionSet); 10134 mInstaller.rmdex(newPackage.mPath, instructionSet); 10135 } 10136 } 10137 return PackageManager.INSTALL_SUCCEEDED; 10138 } 10139 10140 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10141 int[] allUsers, boolean[] perUserInstalled, 10142 PackageInstalledInfo res) { 10143 String pkgName = newPackage.packageName; 10144 synchronized (mPackages) { 10145 //write settings. the installStatus will be incomplete at this stage. 10146 //note that the new package setting would have already been 10147 //added to mPackages. It hasn't been persisted yet. 10148 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10149 mSettings.writeLPr(); 10150 } 10151 10152 if ((res.returnCode = moveDexFilesLI(newPackage)) 10153 != PackageManager.INSTALL_SUCCEEDED) { 10154 // Discontinue if moving dex files failed. 10155 return; 10156 } 10157 10158 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 10159 10160 synchronized (mPackages) { 10161 updatePermissionsLPw(newPackage.packageName, newPackage, 10162 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10163 ? UPDATE_PERMISSIONS_ALL : 0)); 10164 // For system-bundled packages, we assume that installing an upgraded version 10165 // of the package implies that the user actually wants to run that new code, 10166 // so we enable the package. 10167 if (isSystemApp(newPackage)) { 10168 // NB: implicit assumption that system package upgrades apply to all users 10169 if (DEBUG_INSTALL) { 10170 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10171 } 10172 PackageSetting ps = mSettings.mPackages.get(pkgName); 10173 if (ps != null) { 10174 if (res.origUsers != null) { 10175 for (int userHandle : res.origUsers) { 10176 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10177 userHandle, installerPackageName); 10178 } 10179 } 10180 // Also convey the prior install/uninstall state 10181 if (allUsers != null && perUserInstalled != null) { 10182 for (int i = 0; i < allUsers.length; i++) { 10183 if (DEBUG_INSTALL) { 10184 Slog.d(TAG, " user " + allUsers[i] 10185 + " => " + perUserInstalled[i]); 10186 } 10187 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10188 } 10189 // these install state changes will be persisted in the 10190 // upcoming call to mSettings.writeLPr(). 10191 } 10192 } 10193 } 10194 res.name = pkgName; 10195 res.uid = newPackage.applicationInfo.uid; 10196 res.pkg = newPackage; 10197 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10198 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10199 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10200 //to update install status 10201 mSettings.writeLPr(); 10202 } 10203 } 10204 10205 private void installPackageLI(InstallArgs args, 10206 boolean newInstall, PackageInstalledInfo res) { 10207 int pFlags = args.flags; 10208 String installerPackageName = args.installerPackageName; 10209 File tmpPackageFile = new File(args.getCodePath()); 10210 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10211 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10212 boolean replace = false; 10213 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10214 | (newInstall ? SCAN_NEW_INSTALL : 0); 10215 // Result object to be returned 10216 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10217 10218 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10219 // Retrieve PackageSettings and parse package 10220 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10221 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10222 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10223 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 10224 pp.setSeparateProcesses(mSeparateProcesses); 10225 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 10226 null, mMetrics, parseFlags); 10227 if (pkg == null) { 10228 res.returnCode = pp.getParseError(); 10229 return; 10230 } 10231 String pkgName = res.name = pkg.packageName; 10232 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10233 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10234 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10235 return; 10236 } 10237 } 10238 if (!pp.collectCertificates(pkg, parseFlags)) { 10239 res.returnCode = pp.getParseError(); 10240 return; 10241 } 10242 10243 /* If the installer passed in a manifest digest, compare it now. */ 10244 if (args.manifestDigest != null) { 10245 if (DEBUG_INSTALL) { 10246 final String parsedManifest = pkg.manifestDigest == null ? "null" 10247 : pkg.manifestDigest.toString(); 10248 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10249 + parsedManifest); 10250 } 10251 10252 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10253 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10254 return; 10255 } 10256 } else if (DEBUG_INSTALL) { 10257 final String parsedManifest = pkg.manifestDigest == null 10258 ? "null" : pkg.manifestDigest.toString(); 10259 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10260 } 10261 10262 // Get rid of all references to package scan path via parser. 10263 pp = null; 10264 String oldCodePath = null; 10265 boolean systemApp = false; 10266 synchronized (mPackages) { 10267 // Check whether the newly-scanned package wants to define an already-defined perm 10268 int N = pkg.permissions.size(); 10269 for (int i = 0; i < N; i++) { 10270 PackageParser.Permission perm = pkg.permissions.get(i); 10271 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10272 if (bp != null) { 10273 // If the defining package is signed with our cert, it's okay. This 10274 // also includes the "updating the same package" case, of course. 10275 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10276 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10277 Slog.w(TAG, "Package " + pkg.packageName 10278 + " attempting to redeclare permission " + perm.info.name 10279 + " already owned by " + bp.sourcePackage); 10280 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10281 res.origPermission = perm.info.name; 10282 res.origPackage = bp.sourcePackage; 10283 return; 10284 } 10285 } 10286 } 10287 10288 // Check if installing already existing package 10289 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10290 String oldName = mSettings.mRenamedPackages.get(pkgName); 10291 if (pkg.mOriginalPackages != null 10292 && pkg.mOriginalPackages.contains(oldName) 10293 && mPackages.containsKey(oldName)) { 10294 // This package is derived from an original package, 10295 // and this device has been updating from that original 10296 // name. We must continue using the original name, so 10297 // rename the new package here. 10298 pkg.setPackageName(oldName); 10299 pkgName = pkg.packageName; 10300 replace = true; 10301 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10302 + oldName + " pkgName=" + pkgName); 10303 } else if (mPackages.containsKey(pkgName)) { 10304 // This package, under its official name, already exists 10305 // on the device; we should replace it. 10306 replace = true; 10307 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10308 } 10309 } 10310 PackageSetting ps = mSettings.mPackages.get(pkgName); 10311 if (ps != null) { 10312 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10313 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10314 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10315 systemApp = (ps.pkg.applicationInfo.flags & 10316 ApplicationInfo.FLAG_SYSTEM) != 0; 10317 } 10318 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10319 } 10320 } 10321 10322 if (systemApp && onSd) { 10323 // Disable updates to system apps on sdcard 10324 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10325 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10326 return; 10327 } 10328 10329 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10330 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10331 return; 10332 } 10333 // Set application objects path explicitly after the rename 10334 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 10335 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10336 if (replace) { 10337 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10338 installerPackageName, res, args.abiOverride); 10339 } else { 10340 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10341 installerPackageName, res, args.abiOverride); 10342 } 10343 synchronized (mPackages) { 10344 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10345 if (ps != null) { 10346 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10347 } 10348 } 10349 } 10350 10351 private static boolean isForwardLocked(PackageParser.Package pkg) { 10352 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10353 } 10354 10355 10356 private boolean isForwardLocked(PackageSetting ps) { 10357 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10358 } 10359 10360 private static boolean isExternal(PackageParser.Package pkg) { 10361 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10362 } 10363 10364 private static boolean isExternal(PackageSetting ps) { 10365 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10366 } 10367 10368 private static boolean isSystemApp(PackageParser.Package pkg) { 10369 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10370 } 10371 10372 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10373 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10374 } 10375 10376 private static boolean isSystemApp(ApplicationInfo info) { 10377 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10378 } 10379 10380 private static boolean isSystemApp(PackageSetting ps) { 10381 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10382 } 10383 10384 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10385 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10386 } 10387 10388 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10389 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10390 } 10391 10392 private int packageFlagsToInstallFlags(PackageSetting ps) { 10393 int installFlags = 0; 10394 if (isExternal(ps)) { 10395 installFlags |= PackageManager.INSTALL_EXTERNAL; 10396 } 10397 if (isForwardLocked(ps)) { 10398 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10399 } 10400 return installFlags; 10401 } 10402 10403 private void deleteTempPackageFiles() { 10404 final FilenameFilter filter = new FilenameFilter() { 10405 public boolean accept(File dir, String name) { 10406 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10407 } 10408 }; 10409 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10410 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10411 } 10412 10413 private static final void deleteTempPackageFilesInDirectory(File directory, 10414 FilenameFilter filter) { 10415 final String[] tmpFilesList = directory.list(filter); 10416 if (tmpFilesList == null) { 10417 return; 10418 } 10419 for (int i = 0; i < tmpFilesList.length; i++) { 10420 final File tmpFile = new File(directory, tmpFilesList[i]); 10421 tmpFile.delete(); 10422 } 10423 } 10424 10425 private File createTempPackageFile(File installDir) { 10426 File tmpPackageFile; 10427 try { 10428 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10429 } catch (IOException e) { 10430 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10431 return null; 10432 } 10433 try { 10434 FileUtils.setPermissions( 10435 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10436 -1, -1); 10437 if (!SELinux.restorecon(tmpPackageFile)) { 10438 return null; 10439 } 10440 } catch (IOException e) { 10441 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10442 return null; 10443 } 10444 return tmpPackageFile; 10445 } 10446 10447 @Override 10448 public void deletePackageAsUser(final String packageName, 10449 final IPackageDeleteObserver observer, 10450 final int userId, final int flags) { 10451 mContext.enforceCallingOrSelfPermission( 10452 android.Manifest.permission.DELETE_PACKAGES, null); 10453 final int uid = Binder.getCallingUid(); 10454 if (UserHandle.getUserId(uid) != userId) { 10455 mContext.enforceCallingPermission( 10456 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10457 "deletePackage for user " + userId); 10458 } 10459 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10460 try { 10461 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10462 } catch (RemoteException re) { 10463 } 10464 return; 10465 } 10466 10467 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10468 // Queue up an async operation since the package deletion may take a little while. 10469 mHandler.post(new Runnable() { 10470 public void run() { 10471 mHandler.removeCallbacks(this); 10472 final int returnCode = deletePackageX(packageName, userId, flags); 10473 if (observer != null) { 10474 try { 10475 observer.packageDeleted(packageName, returnCode); 10476 } catch (RemoteException e) { 10477 Log.i(TAG, "Observer no longer exists."); 10478 } //end catch 10479 } //end if 10480 } //end run 10481 }); 10482 } 10483 10484 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10485 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10486 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10487 try { 10488 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10489 || dpm.isDeviceOwner(packageName))) { 10490 return true; 10491 } 10492 } catch (RemoteException e) { 10493 } 10494 return false; 10495 } 10496 10497 /** 10498 * This method is an internal method that could be get invoked either 10499 * to delete an installed package or to clean up a failed installation. 10500 * After deleting an installed package, a broadcast is sent to notify any 10501 * listeners that the package has been installed. For cleaning up a failed 10502 * installation, the broadcast is not necessary since the package's 10503 * installation wouldn't have sent the initial broadcast either 10504 * The key steps in deleting a package are 10505 * deleting the package information in internal structures like mPackages, 10506 * deleting the packages base directories through installd 10507 * updating mSettings to reflect current status 10508 * persisting settings for later use 10509 * sending a broadcast if necessary 10510 */ 10511 private int deletePackageX(String packageName, int userId, int flags) { 10512 final PackageRemovedInfo info = new PackageRemovedInfo(); 10513 final boolean res; 10514 10515 if (isPackageDeviceAdmin(packageName, userId)) { 10516 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10517 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10518 } 10519 10520 boolean removedForAllUsers = false; 10521 boolean systemUpdate = false; 10522 10523 // for the uninstall-updates case and restricted profiles, remember the per- 10524 // userhandle installed state 10525 int[] allUsers; 10526 boolean[] perUserInstalled; 10527 synchronized (mPackages) { 10528 PackageSetting ps = mSettings.mPackages.get(packageName); 10529 allUsers = sUserManager.getUserIds(); 10530 perUserInstalled = new boolean[allUsers.length]; 10531 for (int i = 0; i < allUsers.length; i++) { 10532 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10533 } 10534 } 10535 10536 synchronized (mInstallLock) { 10537 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10538 res = deletePackageLI(packageName, 10539 (flags & PackageManager.DELETE_ALL_USERS) != 0 10540 ? UserHandle.ALL : new UserHandle(userId), 10541 true, allUsers, perUserInstalled, 10542 flags | REMOVE_CHATTY, info, true); 10543 systemUpdate = info.isRemovedPackageSystemUpdate; 10544 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10545 removedForAllUsers = true; 10546 } 10547 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10548 + " removedForAllUsers=" + removedForAllUsers); 10549 } 10550 10551 if (res) { 10552 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10553 10554 // If the removed package was a system update, the old system package 10555 // was re-enabled; we need to broadcast this information 10556 if (systemUpdate) { 10557 Bundle extras = new Bundle(1); 10558 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10559 ? info.removedAppId : info.uid); 10560 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10561 10562 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10563 extras, null, null, null); 10564 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10565 extras, null, null, null); 10566 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10567 null, packageName, null, null); 10568 } 10569 } 10570 // Force a gc here. 10571 Runtime.getRuntime().gc(); 10572 // Delete the resources here after sending the broadcast to let 10573 // other processes clean up before deleting resources. 10574 if (info.args != null) { 10575 synchronized (mInstallLock) { 10576 info.args.doPostDeleteLI(true); 10577 } 10578 } 10579 10580 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10581 } 10582 10583 static class PackageRemovedInfo { 10584 String removedPackage; 10585 int uid = -1; 10586 int removedAppId = -1; 10587 int[] removedUsers = null; 10588 boolean isRemovedPackageSystemUpdate = false; 10589 // Clean up resources deleted packages. 10590 InstallArgs args = null; 10591 10592 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10593 Bundle extras = new Bundle(1); 10594 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10595 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10596 if (replacing) { 10597 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10598 } 10599 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10600 if (removedPackage != null) { 10601 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10602 extras, null, null, removedUsers); 10603 if (fullRemove && !replacing) { 10604 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10605 extras, null, null, removedUsers); 10606 } 10607 } 10608 if (removedAppId >= 0) { 10609 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10610 removedUsers); 10611 } 10612 } 10613 } 10614 10615 /* 10616 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10617 * flag is not set, the data directory is removed as well. 10618 * make sure this flag is set for partially installed apps. If not its meaningless to 10619 * delete a partially installed application. 10620 */ 10621 private void removePackageDataLI(PackageSetting ps, 10622 int[] allUserHandles, boolean[] perUserInstalled, 10623 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10624 String packageName = ps.name; 10625 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10626 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10627 // Retrieve object to delete permissions for shared user later on 10628 final PackageSetting deletedPs; 10629 // reader 10630 synchronized (mPackages) { 10631 deletedPs = mSettings.mPackages.get(packageName); 10632 if (outInfo != null) { 10633 outInfo.removedPackage = packageName; 10634 outInfo.removedUsers = deletedPs != null 10635 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10636 : null; 10637 } 10638 } 10639 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10640 removeDataDirsLI(packageName); 10641 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10642 } 10643 // writer 10644 synchronized (mPackages) { 10645 if (deletedPs != null) { 10646 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10647 if (outInfo != null) { 10648 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10649 } 10650 if (deletedPs != null) { 10651 updatePermissionsLPw(deletedPs.name, null, 0); 10652 if (deletedPs.sharedUser != null) { 10653 // remove permissions associated with package 10654 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10655 } 10656 } 10657 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10658 } 10659 // make sure to preserve per-user disabled state if this removal was just 10660 // a downgrade of a system app to the factory package 10661 if (allUserHandles != null && perUserInstalled != null) { 10662 if (DEBUG_REMOVE) { 10663 Slog.d(TAG, "Propagating install state across downgrade"); 10664 } 10665 for (int i = 0; i < allUserHandles.length; i++) { 10666 if (DEBUG_REMOVE) { 10667 Slog.d(TAG, " user " + allUserHandles[i] 10668 + " => " + perUserInstalled[i]); 10669 } 10670 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10671 } 10672 } 10673 } 10674 // can downgrade to reader 10675 if (writeSettings) { 10676 // Save settings now 10677 mSettings.writeLPr(); 10678 } 10679 } 10680 if (outInfo != null) { 10681 // A user ID was deleted here. Go through all users and remove it 10682 // from KeyStore. 10683 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10684 } 10685 } 10686 10687 static boolean locationIsPrivileged(File path) { 10688 try { 10689 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10690 .getCanonicalPath(); 10691 return path.getCanonicalPath().startsWith(privilegedAppDir); 10692 } catch (IOException e) { 10693 Slog.e(TAG, "Unable to access code path " + path); 10694 } 10695 return false; 10696 } 10697 10698 /* 10699 * Tries to delete system package. 10700 */ 10701 private boolean deleteSystemPackageLI(PackageSetting newPs, 10702 int[] allUserHandles, boolean[] perUserInstalled, 10703 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10704 final boolean applyUserRestrictions 10705 = (allUserHandles != null) && (perUserInstalled != null); 10706 PackageSetting disabledPs = null; 10707 // Confirm if the system package has been updated 10708 // An updated system app can be deleted. This will also have to restore 10709 // the system pkg from system partition 10710 // reader 10711 synchronized (mPackages) { 10712 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10713 } 10714 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10715 + " disabledPs=" + disabledPs); 10716 if (disabledPs == null) { 10717 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10718 return false; 10719 } else if (DEBUG_REMOVE) { 10720 Slog.d(TAG, "Deleting system pkg from data partition"); 10721 } 10722 if (DEBUG_REMOVE) { 10723 if (applyUserRestrictions) { 10724 Slog.d(TAG, "Remembering install states:"); 10725 for (int i = 0; i < allUserHandles.length; i++) { 10726 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10727 } 10728 } 10729 } 10730 // Delete the updated package 10731 outInfo.isRemovedPackageSystemUpdate = true; 10732 if (disabledPs.versionCode < newPs.versionCode) { 10733 // Delete data for downgrades 10734 flags &= ~PackageManager.DELETE_KEEP_DATA; 10735 } else { 10736 // Preserve data by setting flag 10737 flags |= PackageManager.DELETE_KEEP_DATA; 10738 } 10739 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10740 allUserHandles, perUserInstalled, outInfo, writeSettings); 10741 if (!ret) { 10742 return false; 10743 } 10744 // writer 10745 synchronized (mPackages) { 10746 // Reinstate the old system package 10747 mSettings.enableSystemPackageLPw(newPs.name); 10748 // Remove any native libraries from the upgraded package. 10749 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10750 } 10751 // Install the system package 10752 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10753 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10754 if (locationIsPrivileged(disabledPs.codePath)) { 10755 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10756 } 10757 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10758 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10759 10760 if (newPkg == null) { 10761 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10762 + " with error:" + mLastScanError); 10763 return false; 10764 } 10765 // writer 10766 synchronized (mPackages) { 10767 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10768 setInternalAppNativeLibraryPath(newPkg, ps); 10769 updatePermissionsLPw(newPkg.packageName, newPkg, 10770 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10771 if (applyUserRestrictions) { 10772 if (DEBUG_REMOVE) { 10773 Slog.d(TAG, "Propagating install state across reinstall"); 10774 } 10775 for (int i = 0; i < allUserHandles.length; i++) { 10776 if (DEBUG_REMOVE) { 10777 Slog.d(TAG, " user " + allUserHandles[i] 10778 + " => " + perUserInstalled[i]); 10779 } 10780 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10781 } 10782 // Regardless of writeSettings we need to ensure that this restriction 10783 // state propagation is persisted 10784 mSettings.writeAllUsersPackageRestrictionsLPr(); 10785 } 10786 // can downgrade to reader here 10787 if (writeSettings) { 10788 mSettings.writeLPr(); 10789 } 10790 } 10791 return true; 10792 } 10793 10794 private boolean deleteInstalledPackageLI(PackageSetting ps, 10795 boolean deleteCodeAndResources, int flags, 10796 int[] allUserHandles, boolean[] perUserInstalled, 10797 PackageRemovedInfo outInfo, boolean writeSettings) { 10798 if (outInfo != null) { 10799 outInfo.uid = ps.appId; 10800 } 10801 10802 // Delete package data from internal structures and also remove data if flag is set 10803 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10804 10805 // Delete application code and resources 10806 if (deleteCodeAndResources && (outInfo != null)) { 10807 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10808 ps.resourcePathString, ps.nativeLibraryPathString, 10809 getAppInstructionSetFromSettings(ps)); 10810 } 10811 return true; 10812 } 10813 10814 /* 10815 * This method handles package deletion in general 10816 */ 10817 private boolean deletePackageLI(String packageName, UserHandle user, 10818 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10819 int flags, PackageRemovedInfo outInfo, 10820 boolean writeSettings) { 10821 if (packageName == null) { 10822 Slog.w(TAG, "Attempt to delete null packageName."); 10823 return false; 10824 } 10825 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10826 PackageSetting ps; 10827 boolean dataOnly = false; 10828 int removeUser = -1; 10829 int appId = -1; 10830 synchronized (mPackages) { 10831 ps = mSettings.mPackages.get(packageName); 10832 if (ps == null) { 10833 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10834 return false; 10835 } 10836 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10837 && user.getIdentifier() != UserHandle.USER_ALL) { 10838 // The caller is asking that the package only be deleted for a single 10839 // user. To do this, we just mark its uninstalled state and delete 10840 // its data. If this is a system app, we only allow this to happen if 10841 // they have set the special DELETE_SYSTEM_APP which requests different 10842 // semantics than normal for uninstalling system apps. 10843 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10844 ps.setUserState(user.getIdentifier(), 10845 COMPONENT_ENABLED_STATE_DEFAULT, 10846 false, //installed 10847 true, //stopped 10848 true, //notLaunched 10849 false, //blocked 10850 null, null, null); 10851 if (!isSystemApp(ps)) { 10852 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10853 // Other user still have this package installed, so all 10854 // we need to do is clear this user's data and save that 10855 // it is uninstalled. 10856 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10857 removeUser = user.getIdentifier(); 10858 appId = ps.appId; 10859 mSettings.writePackageRestrictionsLPr(removeUser); 10860 } else { 10861 // We need to set it back to 'installed' so the uninstall 10862 // broadcasts will be sent correctly. 10863 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10864 ps.setInstalled(true, user.getIdentifier()); 10865 } 10866 } else { 10867 // This is a system app, so we assume that the 10868 // other users still have this package installed, so all 10869 // we need to do is clear this user's data and save that 10870 // it is uninstalled. 10871 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10872 removeUser = user.getIdentifier(); 10873 appId = ps.appId; 10874 mSettings.writePackageRestrictionsLPr(removeUser); 10875 } 10876 } 10877 } 10878 10879 if (removeUser >= 0) { 10880 // From above, we determined that we are deleting this only 10881 // for a single user. Continue the work here. 10882 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10883 if (outInfo != null) { 10884 outInfo.removedPackage = packageName; 10885 outInfo.removedAppId = appId; 10886 outInfo.removedUsers = new int[] {removeUser}; 10887 } 10888 mInstaller.clearUserData(packageName, removeUser); 10889 removeKeystoreDataIfNeeded(removeUser, appId); 10890 schedulePackageCleaning(packageName, removeUser, false); 10891 return true; 10892 } 10893 10894 if (dataOnly) { 10895 // Delete application data first 10896 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10897 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10898 return true; 10899 } 10900 10901 boolean ret = false; 10902 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10903 if (isSystemApp(ps)) { 10904 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10905 // When an updated system application is deleted we delete the existing resources as well and 10906 // fall back to existing code in system partition 10907 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10908 flags, outInfo, writeSettings); 10909 } else { 10910 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10911 // Kill application pre-emptively especially for apps on sd. 10912 killApplication(packageName, ps.appId, "uninstall pkg"); 10913 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10914 allUserHandles, perUserInstalled, 10915 outInfo, writeSettings); 10916 } 10917 10918 return ret; 10919 } 10920 10921 private final class ClearStorageConnection implements ServiceConnection { 10922 IMediaContainerService mContainerService; 10923 10924 @Override 10925 public void onServiceConnected(ComponentName name, IBinder service) { 10926 synchronized (this) { 10927 mContainerService = IMediaContainerService.Stub.asInterface(service); 10928 notifyAll(); 10929 } 10930 } 10931 10932 @Override 10933 public void onServiceDisconnected(ComponentName name) { 10934 } 10935 } 10936 10937 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10938 final boolean mounted; 10939 if (Environment.isExternalStorageEmulated()) { 10940 mounted = true; 10941 } else { 10942 final String status = Environment.getExternalStorageState(); 10943 10944 mounted = status.equals(Environment.MEDIA_MOUNTED) 10945 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10946 } 10947 10948 if (!mounted) { 10949 return; 10950 } 10951 10952 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10953 int[] users; 10954 if (userId == UserHandle.USER_ALL) { 10955 users = sUserManager.getUserIds(); 10956 } else { 10957 users = new int[] { userId }; 10958 } 10959 final ClearStorageConnection conn = new ClearStorageConnection(); 10960 if (mContext.bindServiceAsUser( 10961 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10962 try { 10963 for (int curUser : users) { 10964 long timeout = SystemClock.uptimeMillis() + 5000; 10965 synchronized (conn) { 10966 long now = SystemClock.uptimeMillis(); 10967 while (conn.mContainerService == null && now < timeout) { 10968 try { 10969 conn.wait(timeout - now); 10970 } catch (InterruptedException e) { 10971 } 10972 } 10973 } 10974 if (conn.mContainerService == null) { 10975 return; 10976 } 10977 10978 final UserEnvironment userEnv = new UserEnvironment(curUser); 10979 clearDirectory(conn.mContainerService, 10980 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10981 if (allData) { 10982 clearDirectory(conn.mContainerService, 10983 userEnv.buildExternalStorageAppDataDirs(packageName)); 10984 clearDirectory(conn.mContainerService, 10985 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10986 } 10987 } 10988 } finally { 10989 mContext.unbindService(conn); 10990 } 10991 } 10992 } 10993 10994 @Override 10995 public void clearApplicationUserData(final String packageName, 10996 final IPackageDataObserver observer, final int userId) { 10997 mContext.enforceCallingOrSelfPermission( 10998 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10999 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 11000 // Queue up an async operation since the package deletion may take a little while. 11001 mHandler.post(new Runnable() { 11002 public void run() { 11003 mHandler.removeCallbacks(this); 11004 final boolean succeeded; 11005 synchronized (mInstallLock) { 11006 succeeded = clearApplicationUserDataLI(packageName, userId); 11007 } 11008 clearExternalStorageDataSync(packageName, userId, true); 11009 if (succeeded) { 11010 // invoke DeviceStorageMonitor's update method to clear any notifications 11011 DeviceStorageMonitorInternal 11012 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11013 if (dsm != null) { 11014 dsm.checkMemory(); 11015 } 11016 } 11017 if(observer != null) { 11018 try { 11019 observer.onRemoveCompleted(packageName, succeeded); 11020 } catch (RemoteException e) { 11021 Log.i(TAG, "Observer no longer exists."); 11022 } 11023 } //end if observer 11024 } //end run 11025 }); 11026 } 11027 11028 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11029 if (packageName == null) { 11030 Slog.w(TAG, "Attempt to delete null packageName."); 11031 return false; 11032 } 11033 PackageParser.Package p; 11034 boolean dataOnly = false; 11035 final int appId; 11036 synchronized (mPackages) { 11037 p = mPackages.get(packageName); 11038 if (p == null) { 11039 dataOnly = true; 11040 PackageSetting ps = mSettings.mPackages.get(packageName); 11041 if ((ps == null) || (ps.pkg == null)) { 11042 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11043 return false; 11044 } 11045 p = ps.pkg; 11046 } 11047 if (!dataOnly) { 11048 // need to check this only for fully installed applications 11049 if (p == null) { 11050 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11051 return false; 11052 } 11053 final ApplicationInfo applicationInfo = p.applicationInfo; 11054 if (applicationInfo == null) { 11055 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11056 return false; 11057 } 11058 } 11059 if (p != null && p.applicationInfo != null) { 11060 appId = p.applicationInfo.uid; 11061 } else { 11062 appId = -1; 11063 } 11064 } 11065 int retCode = mInstaller.clearUserData(packageName, userId); 11066 if (retCode < 0) { 11067 Slog.w(TAG, "Couldn't remove cache files for package: " 11068 + packageName); 11069 return false; 11070 } 11071 removeKeystoreDataIfNeeded(userId, appId); 11072 return true; 11073 } 11074 11075 /** 11076 * Remove entries from the keystore daemon. Will only remove it if the 11077 * {@code appId} is valid. 11078 */ 11079 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11080 if (appId < 0) { 11081 return; 11082 } 11083 11084 final KeyStore keyStore = KeyStore.getInstance(); 11085 if (keyStore != null) { 11086 if (userId == UserHandle.USER_ALL) { 11087 for (final int individual : sUserManager.getUserIds()) { 11088 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11089 } 11090 } else { 11091 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11092 } 11093 } else { 11094 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11095 } 11096 } 11097 11098 @Override 11099 public void deleteApplicationCacheFiles(final String packageName, 11100 final IPackageDataObserver observer) { 11101 mContext.enforceCallingOrSelfPermission( 11102 android.Manifest.permission.DELETE_CACHE_FILES, null); 11103 // Queue up an async operation since the package deletion may take a little while. 11104 final int userId = UserHandle.getCallingUserId(); 11105 mHandler.post(new Runnable() { 11106 public void run() { 11107 mHandler.removeCallbacks(this); 11108 final boolean succeded; 11109 synchronized (mInstallLock) { 11110 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11111 } 11112 clearExternalStorageDataSync(packageName, userId, false); 11113 if(observer != null) { 11114 try { 11115 observer.onRemoveCompleted(packageName, succeded); 11116 } catch (RemoteException e) { 11117 Log.i(TAG, "Observer no longer exists."); 11118 } 11119 } //end if observer 11120 } //end run 11121 }); 11122 } 11123 11124 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11125 if (packageName == null) { 11126 Slog.w(TAG, "Attempt to delete null packageName."); 11127 return false; 11128 } 11129 PackageParser.Package p; 11130 synchronized (mPackages) { 11131 p = mPackages.get(packageName); 11132 } 11133 if (p == null) { 11134 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11135 return false; 11136 } 11137 final ApplicationInfo applicationInfo = p.applicationInfo; 11138 if (applicationInfo == null) { 11139 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11140 return false; 11141 } 11142 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11143 if (retCode < 0) { 11144 Slog.w(TAG, "Couldn't remove cache files for package: " 11145 + packageName + " u" + userId); 11146 return false; 11147 } 11148 return true; 11149 } 11150 11151 @Override 11152 public void getPackageSizeInfo(final String packageName, int userHandle, 11153 final IPackageStatsObserver observer) { 11154 mContext.enforceCallingOrSelfPermission( 11155 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11156 if (packageName == null) { 11157 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11158 } 11159 11160 PackageStats stats = new PackageStats(packageName, userHandle); 11161 11162 /* 11163 * Queue up an async operation since the package measurement may take a 11164 * little while. 11165 */ 11166 Message msg = mHandler.obtainMessage(INIT_COPY); 11167 msg.obj = new MeasureParams(stats, observer); 11168 mHandler.sendMessage(msg); 11169 } 11170 11171 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11172 PackageStats pStats) { 11173 if (packageName == null) { 11174 Slog.w(TAG, "Attempt to get size of null packageName."); 11175 return false; 11176 } 11177 PackageParser.Package p; 11178 boolean dataOnly = false; 11179 String libDirPath = null; 11180 String asecPath = null; 11181 PackageSetting ps = null; 11182 synchronized (mPackages) { 11183 p = mPackages.get(packageName); 11184 ps = mSettings.mPackages.get(packageName); 11185 if(p == null) { 11186 dataOnly = true; 11187 if((ps == null) || (ps.pkg == null)) { 11188 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11189 return false; 11190 } 11191 p = ps.pkg; 11192 } 11193 if (ps != null) { 11194 libDirPath = ps.nativeLibraryPathString; 11195 } 11196 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11197 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11198 if (secureContainerId != null) { 11199 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11200 } 11201 } 11202 } 11203 String publicSrcDir = null; 11204 if(!dataOnly) { 11205 final ApplicationInfo applicationInfo = p.applicationInfo; 11206 if (applicationInfo == null) { 11207 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11208 return false; 11209 } 11210 if (isForwardLocked(p)) { 11211 publicSrcDir = applicationInfo.publicSourceDir; 11212 } 11213 } 11214 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 11215 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11216 pStats); 11217 if (res < 0) { 11218 return false; 11219 } 11220 11221 // Fix-up for forward-locked applications in ASEC containers. 11222 if (!isExternal(p)) { 11223 pStats.codeSize += pStats.externalCodeSize; 11224 pStats.externalCodeSize = 0L; 11225 } 11226 11227 return true; 11228 } 11229 11230 11231 @Override 11232 public void addPackageToPreferred(String packageName) { 11233 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11234 } 11235 11236 @Override 11237 public void removePackageFromPreferred(String packageName) { 11238 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11239 } 11240 11241 @Override 11242 public List<PackageInfo> getPreferredPackages(int flags) { 11243 return new ArrayList<PackageInfo>(); 11244 } 11245 11246 private int getUidTargetSdkVersionLockedLPr(int uid) { 11247 Object obj = mSettings.getUserIdLPr(uid); 11248 if (obj instanceof SharedUserSetting) { 11249 final SharedUserSetting sus = (SharedUserSetting) obj; 11250 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11251 final Iterator<PackageSetting> it = sus.packages.iterator(); 11252 while (it.hasNext()) { 11253 final PackageSetting ps = it.next(); 11254 if (ps.pkg != null) { 11255 int v = ps.pkg.applicationInfo.targetSdkVersion; 11256 if (v < vers) vers = v; 11257 } 11258 } 11259 return vers; 11260 } else if (obj instanceof PackageSetting) { 11261 final PackageSetting ps = (PackageSetting) obj; 11262 if (ps.pkg != null) { 11263 return ps.pkg.applicationInfo.targetSdkVersion; 11264 } 11265 } 11266 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11267 } 11268 11269 @Override 11270 public void addPreferredActivity(IntentFilter filter, int match, 11271 ComponentName[] set, ComponentName activity, int userId) { 11272 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11273 } 11274 11275 private void addPreferredActivityInternal(IntentFilter filter, int match, 11276 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11277 // writer 11278 int callingUid = Binder.getCallingUid(); 11279 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11280 if (filter.countActions() == 0) { 11281 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11282 return; 11283 } 11284 synchronized (mPackages) { 11285 if (mContext.checkCallingOrSelfPermission( 11286 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11287 != PackageManager.PERMISSION_GRANTED) { 11288 if (getUidTargetSdkVersionLockedLPr(callingUid) 11289 < Build.VERSION_CODES.FROYO) { 11290 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11291 + callingUid); 11292 return; 11293 } 11294 mContext.enforceCallingOrSelfPermission( 11295 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11296 } 11297 11298 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11299 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11300 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11301 new PreferredActivity(filter, match, set, activity, always)); 11302 mSettings.writePackageRestrictionsLPr(userId); 11303 } 11304 } 11305 11306 @Override 11307 public void replacePreferredActivity(IntentFilter filter, int match, 11308 ComponentName[] set, ComponentName activity) { 11309 if (filter.countActions() != 1) { 11310 throw new IllegalArgumentException( 11311 "replacePreferredActivity expects filter to have only 1 action."); 11312 } 11313 if (filter.countDataAuthorities() != 0 11314 || filter.countDataPaths() != 0 11315 || filter.countDataSchemes() > 1 11316 || filter.countDataTypes() != 0) { 11317 throw new IllegalArgumentException( 11318 "replacePreferredActivity expects filter to have no data authorities, " + 11319 "paths, or types; and at most one scheme."); 11320 } 11321 synchronized (mPackages) { 11322 if (mContext.checkCallingOrSelfPermission( 11323 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11324 != PackageManager.PERMISSION_GRANTED) { 11325 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11326 < Build.VERSION_CODES.FROYO) { 11327 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11328 + Binder.getCallingUid()); 11329 return; 11330 } 11331 mContext.enforceCallingOrSelfPermission( 11332 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11333 } 11334 11335 final int callingUserId = UserHandle.getCallingUserId(); 11336 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11337 if (pir != null) { 11338 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11339 if (filter.countDataSchemes() == 1) { 11340 Uri.Builder builder = new Uri.Builder(); 11341 builder.scheme(filter.getDataScheme(0)); 11342 intent.setData(builder.build()); 11343 } 11344 List<PreferredActivity> matches = pir.queryIntent( 11345 intent, null, true, callingUserId); 11346 if (DEBUG_PREFERRED) { 11347 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11348 } 11349 for (int i = 0; i < matches.size(); i++) { 11350 PreferredActivity pa = matches.get(i); 11351 if (DEBUG_PREFERRED) { 11352 Slog.i(TAG, "Removing preferred activity " 11353 + pa.mPref.mComponent + ":"); 11354 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11355 } 11356 pir.removeFilter(pa); 11357 } 11358 } 11359 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11360 } 11361 } 11362 11363 @Override 11364 public void clearPackagePreferredActivities(String packageName) { 11365 final int uid = Binder.getCallingUid(); 11366 // writer 11367 synchronized (mPackages) { 11368 PackageParser.Package pkg = mPackages.get(packageName); 11369 if (pkg == null || pkg.applicationInfo.uid != uid) { 11370 if (mContext.checkCallingOrSelfPermission( 11371 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11372 != PackageManager.PERMISSION_GRANTED) { 11373 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11374 < Build.VERSION_CODES.FROYO) { 11375 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11376 + Binder.getCallingUid()); 11377 return; 11378 } 11379 mContext.enforceCallingOrSelfPermission( 11380 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11381 } 11382 } 11383 11384 int user = UserHandle.getCallingUserId(); 11385 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11386 mSettings.writePackageRestrictionsLPr(user); 11387 scheduleWriteSettingsLocked(); 11388 } 11389 } 11390 } 11391 11392 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11393 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11394 ArrayList<PreferredActivity> removed = null; 11395 boolean changed = false; 11396 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11397 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11398 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11399 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11400 continue; 11401 } 11402 Iterator<PreferredActivity> it = pir.filterIterator(); 11403 while (it.hasNext()) { 11404 PreferredActivity pa = it.next(); 11405 // Mark entry for removal only if it matches the package name 11406 // and the entry is of type "always". 11407 if (packageName == null || 11408 (pa.mPref.mComponent.getPackageName().equals(packageName) 11409 && pa.mPref.mAlways)) { 11410 if (removed == null) { 11411 removed = new ArrayList<PreferredActivity>(); 11412 } 11413 removed.add(pa); 11414 } 11415 } 11416 if (removed != null) { 11417 for (int j=0; j<removed.size(); j++) { 11418 PreferredActivity pa = removed.get(j); 11419 pir.removeFilter(pa); 11420 } 11421 changed = true; 11422 } 11423 } 11424 return changed; 11425 } 11426 11427 @Override 11428 public void resetPreferredActivities(int userId) { 11429 mContext.enforceCallingOrSelfPermission( 11430 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11431 // writer 11432 synchronized (mPackages) { 11433 int user = UserHandle.getCallingUserId(); 11434 clearPackagePreferredActivitiesLPw(null, user); 11435 mSettings.readDefaultPreferredAppsLPw(this, user); 11436 mSettings.writePackageRestrictionsLPr(user); 11437 scheduleWriteSettingsLocked(); 11438 } 11439 } 11440 11441 @Override 11442 public int getPreferredActivities(List<IntentFilter> outFilters, 11443 List<ComponentName> outActivities, String packageName) { 11444 11445 int num = 0; 11446 final int userId = UserHandle.getCallingUserId(); 11447 // reader 11448 synchronized (mPackages) { 11449 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11450 if (pir != null) { 11451 final Iterator<PreferredActivity> it = pir.filterIterator(); 11452 while (it.hasNext()) { 11453 final PreferredActivity pa = it.next(); 11454 if (packageName == null 11455 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11456 && pa.mPref.mAlways)) { 11457 if (outFilters != null) { 11458 outFilters.add(new IntentFilter(pa)); 11459 } 11460 if (outActivities != null) { 11461 outActivities.add(pa.mPref.mComponent); 11462 } 11463 } 11464 } 11465 } 11466 } 11467 11468 return num; 11469 } 11470 11471 @Override 11472 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11473 int userId) { 11474 int callingUid = Binder.getCallingUid(); 11475 if (callingUid != Process.SYSTEM_UID) { 11476 throw new SecurityException( 11477 "addPersistentPreferredActivity can only be run by the system"); 11478 } 11479 if (filter.countActions() == 0) { 11480 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11481 return; 11482 } 11483 synchronized (mPackages) { 11484 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11485 " :"); 11486 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11487 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11488 new PersistentPreferredActivity(filter, activity)); 11489 mSettings.writePackageRestrictionsLPr(userId); 11490 } 11491 } 11492 11493 @Override 11494 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11495 int callingUid = Binder.getCallingUid(); 11496 if (callingUid != Process.SYSTEM_UID) { 11497 throw new SecurityException( 11498 "clearPackagePersistentPreferredActivities can only be run by the system"); 11499 } 11500 ArrayList<PersistentPreferredActivity> removed = null; 11501 boolean changed = false; 11502 synchronized (mPackages) { 11503 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11504 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11505 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11506 .valueAt(i); 11507 if (userId != thisUserId) { 11508 continue; 11509 } 11510 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11511 while (it.hasNext()) { 11512 PersistentPreferredActivity ppa = it.next(); 11513 // Mark entry for removal only if it matches the package name. 11514 if (ppa.mComponent.getPackageName().equals(packageName)) { 11515 if (removed == null) { 11516 removed = new ArrayList<PersistentPreferredActivity>(); 11517 } 11518 removed.add(ppa); 11519 } 11520 } 11521 if (removed != null) { 11522 for (int j=0; j<removed.size(); j++) { 11523 PersistentPreferredActivity ppa = removed.get(j); 11524 ppir.removeFilter(ppa); 11525 } 11526 changed = true; 11527 } 11528 } 11529 11530 if (changed) { 11531 mSettings.writePackageRestrictionsLPr(userId); 11532 } 11533 } 11534 } 11535 11536 @Override 11537 public void addCrossProfileIntentFilter(IntentFilter filter, boolean removable, 11538 int sourceUserId, int targetUserId) { 11539 mContext.enforceCallingOrSelfPermission( 11540 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11541 if (filter.countActions() == 0) { 11542 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11543 return; 11544 } 11545 synchronized (mPackages) { 11546 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter( 11547 new CrossProfileIntentFilter(filter, removable, targetUserId)); 11548 mSettings.writePackageRestrictionsLPr(sourceUserId); 11549 } 11550 } 11551 11552 @Override 11553 public void clearCrossProfileIntentFilters(int sourceUserId) { 11554 mContext.enforceCallingOrSelfPermission( 11555 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11556 synchronized (mPackages) { 11557 CrossProfileIntentResolver cpir = 11558 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11559 HashSet<CrossProfileIntentFilter> set = 11560 new HashSet<CrossProfileIntentFilter>(cpir.filterSet()); 11561 for (CrossProfileIntentFilter cpif : set) { 11562 if (cpif.isRemovable()) cpir.removeFilter(cpif); 11563 } 11564 mSettings.writePackageRestrictionsLPr(sourceUserId); 11565 } 11566 } 11567 11568 @Override 11569 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11570 Intent intent = new Intent(Intent.ACTION_MAIN); 11571 intent.addCategory(Intent.CATEGORY_HOME); 11572 11573 final int callingUserId = UserHandle.getCallingUserId(); 11574 List<ResolveInfo> list = queryIntentActivities(intent, null, 11575 PackageManager.GET_META_DATA, callingUserId); 11576 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11577 true, false, false, callingUserId); 11578 11579 allHomeCandidates.clear(); 11580 if (list != null) { 11581 for (ResolveInfo ri : list) { 11582 allHomeCandidates.add(ri); 11583 } 11584 } 11585 return (preferred == null || preferred.activityInfo == null) 11586 ? null 11587 : new ComponentName(preferred.activityInfo.packageName, 11588 preferred.activityInfo.name); 11589 } 11590 11591 @Override 11592 public void setApplicationEnabledSetting(String appPackageName, 11593 int newState, int flags, int userId, String callingPackage) { 11594 if (!sUserManager.exists(userId)) return; 11595 if (callingPackage == null) { 11596 callingPackage = Integer.toString(Binder.getCallingUid()); 11597 } 11598 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11599 } 11600 11601 @Override 11602 public void setComponentEnabledSetting(ComponentName componentName, 11603 int newState, int flags, int userId) { 11604 if (!sUserManager.exists(userId)) return; 11605 setEnabledSetting(componentName.getPackageName(), 11606 componentName.getClassName(), newState, flags, userId, null); 11607 } 11608 11609 private void setEnabledSetting(final String packageName, String className, int newState, 11610 final int flags, int userId, String callingPackage) { 11611 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11612 || newState == COMPONENT_ENABLED_STATE_ENABLED 11613 || newState == COMPONENT_ENABLED_STATE_DISABLED 11614 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11615 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11616 throw new IllegalArgumentException("Invalid new component state: " 11617 + newState); 11618 } 11619 PackageSetting pkgSetting; 11620 final int uid = Binder.getCallingUid(); 11621 final int permission = mContext.checkCallingOrSelfPermission( 11622 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11623 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11624 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11625 boolean sendNow = false; 11626 boolean isApp = (className == null); 11627 String componentName = isApp ? packageName : className; 11628 int packageUid = -1; 11629 ArrayList<String> components; 11630 11631 // writer 11632 synchronized (mPackages) { 11633 pkgSetting = mSettings.mPackages.get(packageName); 11634 if (pkgSetting == null) { 11635 if (className == null) { 11636 throw new IllegalArgumentException( 11637 "Unknown package: " + packageName); 11638 } 11639 throw new IllegalArgumentException( 11640 "Unknown component: " + packageName 11641 + "/" + className); 11642 } 11643 // Allow root and verify that userId is not being specified by a different user 11644 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11645 throw new SecurityException( 11646 "Permission Denial: attempt to change component state from pid=" 11647 + Binder.getCallingPid() 11648 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11649 } 11650 if (className == null) { 11651 // We're dealing with an application/package level state change 11652 if (pkgSetting.getEnabled(userId) == newState) { 11653 // Nothing to do 11654 return; 11655 } 11656 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11657 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11658 // Don't care about who enables an app. 11659 callingPackage = null; 11660 } 11661 pkgSetting.setEnabled(newState, userId, callingPackage); 11662 // pkgSetting.pkg.mSetEnabled = newState; 11663 } else { 11664 // We're dealing with a component level state change 11665 // First, verify that this is a valid class name. 11666 PackageParser.Package pkg = pkgSetting.pkg; 11667 if (pkg == null || !pkg.hasComponentClassName(className)) { 11668 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11669 throw new IllegalArgumentException("Component class " + className 11670 + " does not exist in " + packageName); 11671 } else { 11672 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11673 + className + " does not exist in " + packageName); 11674 } 11675 } 11676 switch (newState) { 11677 case COMPONENT_ENABLED_STATE_ENABLED: 11678 if (!pkgSetting.enableComponentLPw(className, userId)) { 11679 return; 11680 } 11681 break; 11682 case COMPONENT_ENABLED_STATE_DISABLED: 11683 if (!pkgSetting.disableComponentLPw(className, userId)) { 11684 return; 11685 } 11686 break; 11687 case COMPONENT_ENABLED_STATE_DEFAULT: 11688 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11689 return; 11690 } 11691 break; 11692 default: 11693 Slog.e(TAG, "Invalid new component state: " + newState); 11694 return; 11695 } 11696 } 11697 mSettings.writePackageRestrictionsLPr(userId); 11698 components = mPendingBroadcasts.get(userId, packageName); 11699 final boolean newPackage = components == null; 11700 if (newPackage) { 11701 components = new ArrayList<String>(); 11702 } 11703 if (!components.contains(componentName)) { 11704 components.add(componentName); 11705 } 11706 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11707 sendNow = true; 11708 // Purge entry from pending broadcast list if another one exists already 11709 // since we are sending one right away. 11710 mPendingBroadcasts.remove(userId, packageName); 11711 } else { 11712 if (newPackage) { 11713 mPendingBroadcasts.put(userId, packageName, components); 11714 } 11715 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11716 // Schedule a message 11717 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11718 } 11719 } 11720 } 11721 11722 long callingId = Binder.clearCallingIdentity(); 11723 try { 11724 if (sendNow) { 11725 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11726 sendPackageChangedBroadcast(packageName, 11727 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11728 } 11729 } finally { 11730 Binder.restoreCallingIdentity(callingId); 11731 } 11732 } 11733 11734 private void sendPackageChangedBroadcast(String packageName, 11735 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11736 if (DEBUG_INSTALL) 11737 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11738 + componentNames); 11739 Bundle extras = new Bundle(4); 11740 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11741 String nameList[] = new String[componentNames.size()]; 11742 componentNames.toArray(nameList); 11743 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11744 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11745 extras.putInt(Intent.EXTRA_UID, packageUid); 11746 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11747 new int[] {UserHandle.getUserId(packageUid)}); 11748 } 11749 11750 @Override 11751 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11752 if (!sUserManager.exists(userId)) return; 11753 final int uid = Binder.getCallingUid(); 11754 final int permission = mContext.checkCallingOrSelfPermission( 11755 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11756 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11757 enforceCrossUserPermission(uid, userId, true, "stop package"); 11758 // writer 11759 synchronized (mPackages) { 11760 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11761 uid, userId)) { 11762 scheduleWritePackageRestrictionsLocked(userId); 11763 } 11764 } 11765 } 11766 11767 @Override 11768 public String getInstallerPackageName(String packageName) { 11769 // reader 11770 synchronized (mPackages) { 11771 return mSettings.getInstallerPackageNameLPr(packageName); 11772 } 11773 } 11774 11775 @Override 11776 public int getApplicationEnabledSetting(String packageName, int userId) { 11777 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11778 int uid = Binder.getCallingUid(); 11779 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11780 // reader 11781 synchronized (mPackages) { 11782 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11783 } 11784 } 11785 11786 @Override 11787 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11788 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11789 int uid = Binder.getCallingUid(); 11790 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11791 // reader 11792 synchronized (mPackages) { 11793 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11794 } 11795 } 11796 11797 @Override 11798 public void enterSafeMode() { 11799 enforceSystemOrRoot("Only the system can request entering safe mode"); 11800 11801 if (!mSystemReady) { 11802 mSafeMode = true; 11803 } 11804 } 11805 11806 @Override 11807 public void systemReady() { 11808 mSystemReady = true; 11809 11810 // Read the compatibilty setting when the system is ready. 11811 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11812 mContext.getContentResolver(), 11813 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11814 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11815 if (DEBUG_SETTINGS) { 11816 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11817 } 11818 11819 synchronized (mPackages) { 11820 // Verify that all of the preferred activity components actually 11821 // exist. It is possible for applications to be updated and at 11822 // that point remove a previously declared activity component that 11823 // had been set as a preferred activity. We try to clean this up 11824 // the next time we encounter that preferred activity, but it is 11825 // possible for the user flow to never be able to return to that 11826 // situation so here we do a sanity check to make sure we haven't 11827 // left any junk around. 11828 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11829 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11830 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11831 removed.clear(); 11832 for (PreferredActivity pa : pir.filterSet()) { 11833 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11834 removed.add(pa); 11835 } 11836 } 11837 if (removed.size() > 0) { 11838 for (int r=0; r<removed.size(); r++) { 11839 PreferredActivity pa = removed.get(r); 11840 Slog.w(TAG, "Removing dangling preferred activity: " 11841 + pa.mPref.mComponent); 11842 pir.removeFilter(pa); 11843 } 11844 mSettings.writePackageRestrictionsLPr( 11845 mSettings.mPreferredActivities.keyAt(i)); 11846 } 11847 } 11848 } 11849 sUserManager.systemReady(); 11850 } 11851 11852 @Override 11853 public boolean isSafeMode() { 11854 return mSafeMode; 11855 } 11856 11857 @Override 11858 public boolean hasSystemUidErrors() { 11859 return mHasSystemUidErrors; 11860 } 11861 11862 static String arrayToString(int[] array) { 11863 StringBuffer buf = new StringBuffer(128); 11864 buf.append('['); 11865 if (array != null) { 11866 for (int i=0; i<array.length; i++) { 11867 if (i > 0) buf.append(", "); 11868 buf.append(array[i]); 11869 } 11870 } 11871 buf.append(']'); 11872 return buf.toString(); 11873 } 11874 11875 static class DumpState { 11876 public static final int DUMP_LIBS = 1 << 0; 11877 11878 public static final int DUMP_FEATURES = 1 << 1; 11879 11880 public static final int DUMP_RESOLVERS = 1 << 2; 11881 11882 public static final int DUMP_PERMISSIONS = 1 << 3; 11883 11884 public static final int DUMP_PACKAGES = 1 << 4; 11885 11886 public static final int DUMP_SHARED_USERS = 1 << 5; 11887 11888 public static final int DUMP_MESSAGES = 1 << 6; 11889 11890 public static final int DUMP_PROVIDERS = 1 << 7; 11891 11892 public static final int DUMP_VERIFIERS = 1 << 8; 11893 11894 public static final int DUMP_PREFERRED = 1 << 9; 11895 11896 public static final int DUMP_PREFERRED_XML = 1 << 10; 11897 11898 public static final int DUMP_KEYSETS = 1 << 11; 11899 11900 public static final int DUMP_VERSION = 1 << 12; 11901 11902 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11903 11904 private int mTypes; 11905 11906 private int mOptions; 11907 11908 private boolean mTitlePrinted; 11909 11910 private SharedUserSetting mSharedUser; 11911 11912 public boolean isDumping(int type) { 11913 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11914 return true; 11915 } 11916 11917 return (mTypes & type) != 0; 11918 } 11919 11920 public void setDump(int type) { 11921 mTypes |= type; 11922 } 11923 11924 public boolean isOptionEnabled(int option) { 11925 return (mOptions & option) != 0; 11926 } 11927 11928 public void setOptionEnabled(int option) { 11929 mOptions |= option; 11930 } 11931 11932 public boolean onTitlePrinted() { 11933 final boolean printed = mTitlePrinted; 11934 mTitlePrinted = true; 11935 return printed; 11936 } 11937 11938 public boolean getTitlePrinted() { 11939 return mTitlePrinted; 11940 } 11941 11942 public void setTitlePrinted(boolean enabled) { 11943 mTitlePrinted = enabled; 11944 } 11945 11946 public SharedUserSetting getSharedUser() { 11947 return mSharedUser; 11948 } 11949 11950 public void setSharedUser(SharedUserSetting user) { 11951 mSharedUser = user; 11952 } 11953 } 11954 11955 @Override 11956 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11957 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11958 != PackageManager.PERMISSION_GRANTED) { 11959 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11960 + Binder.getCallingPid() 11961 + ", uid=" + Binder.getCallingUid() 11962 + " without permission " 11963 + android.Manifest.permission.DUMP); 11964 return; 11965 } 11966 11967 DumpState dumpState = new DumpState(); 11968 boolean fullPreferred = false; 11969 boolean checkin = false; 11970 11971 String packageName = null; 11972 11973 int opti = 0; 11974 while (opti < args.length) { 11975 String opt = args[opti]; 11976 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11977 break; 11978 } 11979 opti++; 11980 if ("-a".equals(opt)) { 11981 // Right now we only know how to print all. 11982 } else if ("-h".equals(opt)) { 11983 pw.println("Package manager dump options:"); 11984 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11985 pw.println(" --checkin: dump for a checkin"); 11986 pw.println(" -f: print details of intent filters"); 11987 pw.println(" -h: print this help"); 11988 pw.println(" cmd may be one of:"); 11989 pw.println(" l[ibraries]: list known shared libraries"); 11990 pw.println(" f[ibraries]: list device features"); 11991 pw.println(" k[eysets]: print known keysets"); 11992 pw.println(" r[esolvers]: dump intent resolvers"); 11993 pw.println(" perm[issions]: dump permissions"); 11994 pw.println(" pref[erred]: print preferred package settings"); 11995 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11996 pw.println(" prov[iders]: dump content providers"); 11997 pw.println(" p[ackages]: dump installed packages"); 11998 pw.println(" s[hared-users]: dump shared user IDs"); 11999 pw.println(" m[essages]: print collected runtime messages"); 12000 pw.println(" v[erifiers]: print package verifier info"); 12001 pw.println(" version: print database version info"); 12002 pw.println(" write: write current settings now"); 12003 pw.println(" <package.name>: info about given package"); 12004 return; 12005 } else if ("--checkin".equals(opt)) { 12006 checkin = true; 12007 } else if ("-f".equals(opt)) { 12008 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12009 } else { 12010 pw.println("Unknown argument: " + opt + "; use -h for help"); 12011 } 12012 } 12013 12014 // Is the caller requesting to dump a particular piece of data? 12015 if (opti < args.length) { 12016 String cmd = args[opti]; 12017 opti++; 12018 // Is this a package name? 12019 if ("android".equals(cmd) || cmd.contains(".")) { 12020 packageName = cmd; 12021 // When dumping a single package, we always dump all of its 12022 // filter information since the amount of data will be reasonable. 12023 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12024 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12025 dumpState.setDump(DumpState.DUMP_LIBS); 12026 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12027 dumpState.setDump(DumpState.DUMP_FEATURES); 12028 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12029 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12030 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12031 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12032 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12033 dumpState.setDump(DumpState.DUMP_PREFERRED); 12034 } else if ("preferred-xml".equals(cmd)) { 12035 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12036 if (opti < args.length && "--full".equals(args[opti])) { 12037 fullPreferred = true; 12038 opti++; 12039 } 12040 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12041 dumpState.setDump(DumpState.DUMP_PACKAGES); 12042 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12043 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12044 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12045 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12046 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12047 dumpState.setDump(DumpState.DUMP_MESSAGES); 12048 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12049 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12050 } else if ("version".equals(cmd)) { 12051 dumpState.setDump(DumpState.DUMP_VERSION); 12052 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12053 dumpState.setDump(DumpState.DUMP_KEYSETS); 12054 } else if ("write".equals(cmd)) { 12055 synchronized (mPackages) { 12056 mSettings.writeLPr(); 12057 pw.println("Settings written."); 12058 return; 12059 } 12060 } 12061 } 12062 12063 if (checkin) { 12064 pw.println("vers,1"); 12065 } 12066 12067 // reader 12068 synchronized (mPackages) { 12069 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12070 if (!checkin) { 12071 if (dumpState.onTitlePrinted()) 12072 pw.println(); 12073 pw.println("Database versions:"); 12074 pw.print(" SDK Version:"); 12075 pw.print(" internal="); 12076 pw.print(mSettings.mInternalSdkPlatform); 12077 pw.print(" external="); 12078 pw.println(mSettings.mExternalSdkPlatform); 12079 pw.print(" DB Version:"); 12080 pw.print(" internal="); 12081 pw.print(mSettings.mInternalDatabaseVersion); 12082 pw.print(" external="); 12083 pw.println(mSettings.mExternalDatabaseVersion); 12084 } 12085 } 12086 12087 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12088 if (!checkin) { 12089 if (dumpState.onTitlePrinted()) 12090 pw.println(); 12091 pw.println("Verifiers:"); 12092 pw.print(" Required: "); 12093 pw.print(mRequiredVerifierPackage); 12094 pw.print(" (uid="); 12095 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12096 pw.println(")"); 12097 } else if (mRequiredVerifierPackage != null) { 12098 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12099 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12100 } 12101 } 12102 12103 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12104 boolean printedHeader = false; 12105 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12106 while (it.hasNext()) { 12107 String name = it.next(); 12108 SharedLibraryEntry ent = mSharedLibraries.get(name); 12109 if (!checkin) { 12110 if (!printedHeader) { 12111 if (dumpState.onTitlePrinted()) 12112 pw.println(); 12113 pw.println("Libraries:"); 12114 printedHeader = true; 12115 } 12116 pw.print(" "); 12117 } else { 12118 pw.print("lib,"); 12119 } 12120 pw.print(name); 12121 if (!checkin) { 12122 pw.print(" -> "); 12123 } 12124 if (ent.path != null) { 12125 if (!checkin) { 12126 pw.print("(jar) "); 12127 pw.print(ent.path); 12128 } else { 12129 pw.print(",jar,"); 12130 pw.print(ent.path); 12131 } 12132 } else { 12133 if (!checkin) { 12134 pw.print("(apk) "); 12135 pw.print(ent.apk); 12136 } else { 12137 pw.print(",apk,"); 12138 pw.print(ent.apk); 12139 } 12140 } 12141 pw.println(); 12142 } 12143 } 12144 12145 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12146 if (dumpState.onTitlePrinted()) 12147 pw.println(); 12148 if (!checkin) { 12149 pw.println("Features:"); 12150 } 12151 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12152 while (it.hasNext()) { 12153 String name = it.next(); 12154 if (!checkin) { 12155 pw.print(" "); 12156 } else { 12157 pw.print("feat,"); 12158 } 12159 pw.println(name); 12160 } 12161 } 12162 12163 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12164 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12165 : "Activity Resolver Table:", " ", packageName, 12166 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12167 dumpState.setTitlePrinted(true); 12168 } 12169 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12170 : "Receiver Resolver Table:", " ", packageName, 12171 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12172 dumpState.setTitlePrinted(true); 12173 } 12174 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12175 : "Service Resolver Table:", " ", packageName, 12176 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12177 dumpState.setTitlePrinted(true); 12178 } 12179 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12180 : "Provider Resolver Table:", " ", packageName, 12181 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12182 dumpState.setTitlePrinted(true); 12183 } 12184 } 12185 12186 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12187 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12188 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12189 int user = mSettings.mPreferredActivities.keyAt(i); 12190 if (pir.dump(pw, 12191 dumpState.getTitlePrinted() 12192 ? "\nPreferred Activities User " + user + ":" 12193 : "Preferred Activities User " + user + ":", " ", 12194 packageName, true)) { 12195 dumpState.setTitlePrinted(true); 12196 } 12197 } 12198 } 12199 12200 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12201 pw.flush(); 12202 FileOutputStream fout = new FileOutputStream(fd); 12203 BufferedOutputStream str = new BufferedOutputStream(fout); 12204 XmlSerializer serializer = new FastXmlSerializer(); 12205 try { 12206 serializer.setOutput(str, "utf-8"); 12207 serializer.startDocument(null, true); 12208 serializer.setFeature( 12209 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12210 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12211 serializer.endDocument(); 12212 serializer.flush(); 12213 } catch (IllegalArgumentException e) { 12214 pw.println("Failed writing: " + e); 12215 } catch (IllegalStateException e) { 12216 pw.println("Failed writing: " + e); 12217 } catch (IOException e) { 12218 pw.println("Failed writing: " + e); 12219 } 12220 } 12221 12222 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12223 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12224 } 12225 12226 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12227 boolean printedSomething = false; 12228 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12229 if (packageName != null && !packageName.equals(p.info.packageName)) { 12230 continue; 12231 } 12232 if (!printedSomething) { 12233 if (dumpState.onTitlePrinted()) 12234 pw.println(); 12235 pw.println("Registered ContentProviders:"); 12236 printedSomething = true; 12237 } 12238 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12239 pw.print(" "); pw.println(p.toString()); 12240 } 12241 printedSomething = false; 12242 for (Map.Entry<String, PackageParser.Provider> entry : 12243 mProvidersByAuthority.entrySet()) { 12244 PackageParser.Provider p = entry.getValue(); 12245 if (packageName != null && !packageName.equals(p.info.packageName)) { 12246 continue; 12247 } 12248 if (!printedSomething) { 12249 if (dumpState.onTitlePrinted()) 12250 pw.println(); 12251 pw.println("ContentProvider Authorities:"); 12252 printedSomething = true; 12253 } 12254 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12255 pw.print(" "); pw.println(p.toString()); 12256 if (p.info != null && p.info.applicationInfo != null) { 12257 final String appInfo = p.info.applicationInfo.toString(); 12258 pw.print(" applicationInfo="); pw.println(appInfo); 12259 } 12260 } 12261 } 12262 12263 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12264 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12265 } 12266 12267 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12268 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12269 } 12270 12271 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12272 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12273 } 12274 12275 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12276 if (dumpState.onTitlePrinted()) 12277 pw.println(); 12278 mSettings.dumpReadMessagesLPr(pw, dumpState); 12279 12280 pw.println(); 12281 pw.println("Package warning messages:"); 12282 final File fname = getSettingsProblemFile(); 12283 FileInputStream in = null; 12284 try { 12285 in = new FileInputStream(fname); 12286 final int avail = in.available(); 12287 final byte[] data = new byte[avail]; 12288 in.read(data); 12289 pw.print(new String(data)); 12290 } catch (FileNotFoundException e) { 12291 } catch (IOException e) { 12292 } finally { 12293 if (in != null) { 12294 try { 12295 in.close(); 12296 } catch (IOException e) { 12297 } 12298 } 12299 } 12300 } 12301 } 12302 } 12303 12304 // ------- apps on sdcard specific code ------- 12305 static final boolean DEBUG_SD_INSTALL = false; 12306 12307 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12308 12309 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12310 12311 private boolean mMediaMounted = false; 12312 12313 private String getEncryptKey() { 12314 try { 12315 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12316 SD_ENCRYPTION_KEYSTORE_NAME); 12317 if (sdEncKey == null) { 12318 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12319 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12320 if (sdEncKey == null) { 12321 Slog.e(TAG, "Failed to create encryption keys"); 12322 return null; 12323 } 12324 } 12325 return sdEncKey; 12326 } catch (NoSuchAlgorithmException nsae) { 12327 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12328 return null; 12329 } catch (IOException ioe) { 12330 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12331 return null; 12332 } 12333 12334 } 12335 12336 /* package */static String getTempContainerId() { 12337 int tmpIdx = 1; 12338 String list[] = PackageHelper.getSecureContainerList(); 12339 if (list != null) { 12340 for (final String name : list) { 12341 // Ignore null and non-temporary container entries 12342 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12343 continue; 12344 } 12345 12346 String subStr = name.substring(mTempContainerPrefix.length()); 12347 try { 12348 int cid = Integer.parseInt(subStr); 12349 if (cid >= tmpIdx) { 12350 tmpIdx = cid + 1; 12351 } 12352 } catch (NumberFormatException e) { 12353 } 12354 } 12355 } 12356 return mTempContainerPrefix + tmpIdx; 12357 } 12358 12359 /* 12360 * Update media status on PackageManager. 12361 */ 12362 @Override 12363 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12364 int callingUid = Binder.getCallingUid(); 12365 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12366 throw new SecurityException("Media status can only be updated by the system"); 12367 } 12368 // reader; this apparently protects mMediaMounted, but should probably 12369 // be a different lock in that case. 12370 synchronized (mPackages) { 12371 Log.i(TAG, "Updating external media status from " 12372 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12373 + (mediaStatus ? "mounted" : "unmounted")); 12374 if (DEBUG_SD_INSTALL) 12375 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12376 + ", mMediaMounted=" + mMediaMounted); 12377 if (mediaStatus == mMediaMounted) { 12378 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12379 : 0, -1); 12380 mHandler.sendMessage(msg); 12381 return; 12382 } 12383 mMediaMounted = mediaStatus; 12384 } 12385 // Queue up an async operation since the package installation may take a 12386 // little while. 12387 mHandler.post(new Runnable() { 12388 public void run() { 12389 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12390 } 12391 }); 12392 } 12393 12394 /** 12395 * Called by MountService when the initial ASECs to scan are available. 12396 * Should block until all the ASEC containers are finished being scanned. 12397 */ 12398 public void scanAvailableAsecs() { 12399 updateExternalMediaStatusInner(true, false, false); 12400 if (mShouldRestoreconData) { 12401 SELinuxMMAC.setRestoreconDone(); 12402 mShouldRestoreconData = false; 12403 } 12404 } 12405 12406 /* 12407 * Collect information of applications on external media, map them against 12408 * existing containers and update information based on current mount status. 12409 * Please note that we always have to report status if reportStatus has been 12410 * set to true especially when unloading packages. 12411 */ 12412 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12413 boolean externalStorage) { 12414 // Collection of uids 12415 int uidArr[] = null; 12416 // Collection of stale containers 12417 HashSet<String> removeCids = new HashSet<String>(); 12418 // Collection of packages on external media with valid containers. 12419 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12420 // Get list of secure containers. 12421 final String list[] = PackageHelper.getSecureContainerList(); 12422 if (list == null || list.length == 0) { 12423 Log.i(TAG, "No secure containers on sdcard"); 12424 } else { 12425 // Process list of secure containers and categorize them 12426 // as active or stale based on their package internal state. 12427 int uidList[] = new int[list.length]; 12428 int num = 0; 12429 // reader 12430 synchronized (mPackages) { 12431 for (String cid : list) { 12432 if (DEBUG_SD_INSTALL) 12433 Log.i(TAG, "Processing container " + cid); 12434 String pkgName = getAsecPackageName(cid); 12435 if (pkgName == null) { 12436 if (DEBUG_SD_INSTALL) 12437 Log.i(TAG, "Container : " + cid + " stale"); 12438 removeCids.add(cid); 12439 continue; 12440 } 12441 if (DEBUG_SD_INSTALL) 12442 Log.i(TAG, "Looking for pkg : " + pkgName); 12443 12444 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12445 if (ps == null) { 12446 Log.i(TAG, "Deleting container with no matching settings " + cid); 12447 removeCids.add(cid); 12448 continue; 12449 } 12450 12451 /* 12452 * Skip packages that are not external if we're unmounting 12453 * external storage. 12454 */ 12455 if (externalStorage && !isMounted && !isExternal(ps)) { 12456 continue; 12457 } 12458 12459 final AsecInstallArgs args = new AsecInstallArgs(cid, 12460 getAppInstructionSetFromSettings(ps), 12461 isForwardLocked(ps)); 12462 // The package status is changed only if the code path 12463 // matches between settings and the container id. 12464 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12465 if (DEBUG_SD_INSTALL) { 12466 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12467 + " at code path: " + ps.codePathString); 12468 } 12469 12470 // We do have a valid package installed on sdcard 12471 processCids.put(args, ps.codePathString); 12472 final int uid = ps.appId; 12473 if (uid != -1) { 12474 uidList[num++] = uid; 12475 } 12476 } else { 12477 Log.i(TAG, "Deleting stale container for " + cid); 12478 removeCids.add(cid); 12479 } 12480 } 12481 } 12482 12483 if (num > 0) { 12484 // Sort uid list 12485 Arrays.sort(uidList, 0, num); 12486 // Throw away duplicates 12487 uidArr = new int[num]; 12488 uidArr[0] = uidList[0]; 12489 int di = 0; 12490 for (int i = 1; i < num; i++) { 12491 if (uidList[i - 1] != uidList[i]) { 12492 uidArr[di++] = uidList[i]; 12493 } 12494 } 12495 } 12496 } 12497 // Process packages with valid entries. 12498 if (isMounted) { 12499 if (DEBUG_SD_INSTALL) 12500 Log.i(TAG, "Loading packages"); 12501 loadMediaPackages(processCids, uidArr, removeCids); 12502 startCleaningPackages(); 12503 } else { 12504 if (DEBUG_SD_INSTALL) 12505 Log.i(TAG, "Unloading packages"); 12506 unloadMediaPackages(processCids, uidArr, reportStatus); 12507 } 12508 } 12509 12510 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12511 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12512 int size = pkgList.size(); 12513 if (size > 0) { 12514 // Send broadcasts here 12515 Bundle extras = new Bundle(); 12516 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12517 .toArray(new String[size])); 12518 if (uidArr != null) { 12519 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12520 } 12521 if (replacing) { 12522 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12523 } 12524 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12525 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12526 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12527 } 12528 } 12529 12530 /* 12531 * Look at potentially valid container ids from processCids If package 12532 * information doesn't match the one on record or package scanning fails, 12533 * the cid is added to list of removeCids. We currently don't delete stale 12534 * containers. 12535 */ 12536 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12537 HashSet<String> removeCids) { 12538 ArrayList<String> pkgList = new ArrayList<String>(); 12539 Set<AsecInstallArgs> keys = processCids.keySet(); 12540 boolean doGc = false; 12541 for (AsecInstallArgs args : keys) { 12542 String codePath = processCids.get(args); 12543 if (DEBUG_SD_INSTALL) 12544 Log.i(TAG, "Loading container : " + args.cid); 12545 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12546 try { 12547 // Make sure there are no container errors first. 12548 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12549 Slog.e(TAG, "Failed to mount cid : " + args.cid 12550 + " when installing from sdcard"); 12551 continue; 12552 } 12553 // Check code path here. 12554 if (codePath == null || !codePath.equals(args.getCodePath())) { 12555 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12556 + " does not match one in settings " + codePath); 12557 continue; 12558 } 12559 // Parse package 12560 int parseFlags = mDefParseFlags; 12561 if (args.isExternal()) { 12562 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12563 } 12564 if (args.isFwdLocked()) { 12565 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12566 } 12567 12568 doGc = true; 12569 synchronized (mInstallLock) { 12570 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12571 0, 0, null, null); 12572 // Scan the package 12573 if (pkg != null) { 12574 /* 12575 * TODO why is the lock being held? doPostInstall is 12576 * called in other places without the lock. This needs 12577 * to be straightened out. 12578 */ 12579 // writer 12580 synchronized (mPackages) { 12581 retCode = PackageManager.INSTALL_SUCCEEDED; 12582 pkgList.add(pkg.packageName); 12583 // Post process args 12584 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12585 pkg.applicationInfo.uid); 12586 } 12587 } else { 12588 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12589 } 12590 } 12591 12592 } finally { 12593 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12594 // Don't destroy container here. Wait till gc clears things 12595 // up. 12596 removeCids.add(args.cid); 12597 } 12598 } 12599 } 12600 // writer 12601 synchronized (mPackages) { 12602 // If the platform SDK has changed since the last time we booted, 12603 // we need to re-grant app permission to catch any new ones that 12604 // appear. This is really a hack, and means that apps can in some 12605 // cases get permissions that the user didn't initially explicitly 12606 // allow... it would be nice to have some better way to handle 12607 // this situation. 12608 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12609 if (regrantPermissions) 12610 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12611 + mSdkVersion + "; regranting permissions for external storage"); 12612 mSettings.mExternalSdkPlatform = mSdkVersion; 12613 12614 // Make sure group IDs have been assigned, and any permission 12615 // changes in other apps are accounted for 12616 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12617 | (regrantPermissions 12618 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12619 : 0)); 12620 12621 mSettings.updateExternalDatabaseVersion(); 12622 12623 // can downgrade to reader 12624 // Persist settings 12625 mSettings.writeLPr(); 12626 } 12627 // Send a broadcast to let everyone know we are done processing 12628 if (pkgList.size() > 0) { 12629 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12630 } 12631 // Force gc to avoid any stale parser references that we might have. 12632 if (doGc) { 12633 Runtime.getRuntime().gc(); 12634 } 12635 // List stale containers and destroy stale temporary containers. 12636 if (removeCids != null) { 12637 for (String cid : removeCids) { 12638 if (cid.startsWith(mTempContainerPrefix)) { 12639 Log.i(TAG, "Destroying stale temporary container " + cid); 12640 PackageHelper.destroySdDir(cid); 12641 } else { 12642 Log.w(TAG, "Container " + cid + " is stale"); 12643 } 12644 } 12645 } 12646 } 12647 12648 /* 12649 * Utility method to unload a list of specified containers 12650 */ 12651 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12652 // Just unmount all valid containers. 12653 for (AsecInstallArgs arg : cidArgs) { 12654 synchronized (mInstallLock) { 12655 arg.doPostDeleteLI(false); 12656 } 12657 } 12658 } 12659 12660 /* 12661 * Unload packages mounted on external media. This involves deleting package 12662 * data from internal structures, sending broadcasts about diabled packages, 12663 * gc'ing to free up references, unmounting all secure containers 12664 * corresponding to packages on external media, and posting a 12665 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12666 * that we always have to post this message if status has been requested no 12667 * matter what. 12668 */ 12669 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12670 final boolean reportStatus) { 12671 if (DEBUG_SD_INSTALL) 12672 Log.i(TAG, "unloading media packages"); 12673 ArrayList<String> pkgList = new ArrayList<String>(); 12674 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12675 final Set<AsecInstallArgs> keys = processCids.keySet(); 12676 for (AsecInstallArgs args : keys) { 12677 String pkgName = args.getPackageName(); 12678 if (DEBUG_SD_INSTALL) 12679 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12680 // Delete package internally 12681 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12682 synchronized (mInstallLock) { 12683 boolean res = deletePackageLI(pkgName, null, false, null, null, 12684 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12685 if (res) { 12686 pkgList.add(pkgName); 12687 } else { 12688 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12689 failedList.add(args); 12690 } 12691 } 12692 } 12693 12694 // reader 12695 synchronized (mPackages) { 12696 // We didn't update the settings after removing each package; 12697 // write them now for all packages. 12698 mSettings.writeLPr(); 12699 } 12700 12701 // We have to absolutely send UPDATED_MEDIA_STATUS only 12702 // after confirming that all the receivers processed the ordered 12703 // broadcast when packages get disabled, force a gc to clean things up. 12704 // and unload all the containers. 12705 if (pkgList.size() > 0) { 12706 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12707 new IIntentReceiver.Stub() { 12708 public void performReceive(Intent intent, int resultCode, String data, 12709 Bundle extras, boolean ordered, boolean sticky, 12710 int sendingUser) throws RemoteException { 12711 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12712 reportStatus ? 1 : 0, 1, keys); 12713 mHandler.sendMessage(msg); 12714 } 12715 }); 12716 } else { 12717 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12718 keys); 12719 mHandler.sendMessage(msg); 12720 } 12721 } 12722 12723 /** Binder call */ 12724 @Override 12725 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12726 final int flags) { 12727 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12728 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12729 int returnCode = PackageManager.MOVE_SUCCEEDED; 12730 int currFlags = 0; 12731 int newFlags = 0; 12732 // reader 12733 synchronized (mPackages) { 12734 PackageParser.Package pkg = mPackages.get(packageName); 12735 if (pkg == null) { 12736 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12737 } else { 12738 // Disable moving fwd locked apps and system packages 12739 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12740 Slog.w(TAG, "Cannot move system application"); 12741 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12742 } else if (pkg.mOperationPending) { 12743 Slog.w(TAG, "Attempt to move package which has pending operations"); 12744 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12745 } else { 12746 // Find install location first 12747 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12748 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12749 Slog.w(TAG, "Ambigous flags specified for move location."); 12750 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12751 } else { 12752 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12753 : PackageManager.INSTALL_INTERNAL; 12754 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12755 : PackageManager.INSTALL_INTERNAL; 12756 12757 if (newFlags == currFlags) { 12758 Slog.w(TAG, "No move required. Trying to move to same location"); 12759 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12760 } else { 12761 if (isForwardLocked(pkg)) { 12762 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12763 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12764 } 12765 } 12766 } 12767 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12768 pkg.mOperationPending = true; 12769 } 12770 } 12771 } 12772 12773 /* 12774 * TODO this next block probably shouldn't be inside the lock. We 12775 * can't guarantee these won't change after this is fired off 12776 * anyway. 12777 */ 12778 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12779 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12780 null, -1, user), 12781 returnCode); 12782 } else { 12783 Message msg = mHandler.obtainMessage(INIT_COPY); 12784 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12785 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12786 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12787 instructionSet); 12788 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12789 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12790 msg.obj = mp; 12791 mHandler.sendMessage(msg); 12792 } 12793 } 12794 } 12795 12796 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12797 // Queue up an async operation since the package deletion may take a 12798 // little while. 12799 mHandler.post(new Runnable() { 12800 public void run() { 12801 // TODO fix this; this does nothing. 12802 mHandler.removeCallbacks(this); 12803 int returnCode = currentStatus; 12804 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12805 int uidArr[] = null; 12806 ArrayList<String> pkgList = null; 12807 synchronized (mPackages) { 12808 PackageParser.Package pkg = mPackages.get(mp.packageName); 12809 if (pkg == null) { 12810 Slog.w(TAG, " Package " + mp.packageName 12811 + " doesn't exist. Aborting move"); 12812 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12813 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12814 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12815 + mp.srcArgs.getCodePath() + " to " 12816 + pkg.applicationInfo.sourceDir 12817 + " Aborting move and returning error"); 12818 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12819 } else { 12820 uidArr = new int[] { 12821 pkg.applicationInfo.uid 12822 }; 12823 pkgList = new ArrayList<String>(); 12824 pkgList.add(mp.packageName); 12825 } 12826 } 12827 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12828 // Send resources unavailable broadcast 12829 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12830 // Update package code and resource paths 12831 synchronized (mInstallLock) { 12832 synchronized (mPackages) { 12833 PackageParser.Package pkg = mPackages.get(mp.packageName); 12834 // Recheck for package again. 12835 if (pkg == null) { 12836 Slog.w(TAG, " Package " + mp.packageName 12837 + " doesn't exist. Aborting move"); 12838 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12839 } else if (!mp.srcArgs.getCodePath().equals( 12840 pkg.applicationInfo.sourceDir)) { 12841 Slog.w(TAG, "Package " + mp.packageName 12842 + " code path changed from " + mp.srcArgs.getCodePath() 12843 + " to " + pkg.applicationInfo.sourceDir 12844 + " Aborting move and returning error"); 12845 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12846 } else { 12847 final String oldCodePath = pkg.mPath; 12848 final String newCodePath = mp.targetArgs.getCodePath(); 12849 final String newResPath = mp.targetArgs.getResourcePath(); 12850 final String newNativePath = mp.targetArgs 12851 .getNativeLibraryPath(); 12852 12853 final File newNativeDir = new File(newNativePath); 12854 12855 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12856 // NOTE: We do not report any errors from the APK scan and library 12857 // copy at this point. 12858 NativeLibraryHelper.ApkHandle handle = 12859 new NativeLibraryHelper.ApkHandle(newCodePath); 12860 final int abi = NativeLibraryHelper.findSupportedAbi( 12861 handle, Build.SUPPORTED_ABIS); 12862 if (abi >= 0) { 12863 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12864 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12865 } 12866 handle.close(); 12867 } 12868 final int[] users = sUserManager.getUserIds(); 12869 for (int user : users) { 12870 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12871 newNativePath, user) < 0) { 12872 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12873 } 12874 } 12875 12876 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12877 pkg.mPath = newCodePath; 12878 // Move dex files around 12879 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12880 // Moving of dex files failed. Set 12881 // error code and abort move. 12882 pkg.mPath = pkg.mScanPath; 12883 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12884 } 12885 } 12886 12887 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12888 pkg.mScanPath = newCodePath; 12889 pkg.applicationInfo.sourceDir = newCodePath; 12890 pkg.applicationInfo.publicSourceDir = newResPath; 12891 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12892 PackageSetting ps = (PackageSetting) pkg.mExtras; 12893 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12894 ps.codePathString = ps.codePath.getPath(); 12895 ps.resourcePath = new File( 12896 pkg.applicationInfo.publicSourceDir); 12897 ps.resourcePathString = ps.resourcePath.getPath(); 12898 ps.nativeLibraryPathString = newNativePath; 12899 // Set the application info flag 12900 // correctly. 12901 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12902 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12903 } else { 12904 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12905 } 12906 ps.setFlags(pkg.applicationInfo.flags); 12907 mAppDirs.remove(oldCodePath); 12908 mAppDirs.put(newCodePath, pkg); 12909 // Persist settings 12910 mSettings.writeLPr(); 12911 } 12912 } 12913 } 12914 } 12915 // Send resources available broadcast 12916 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12917 } 12918 } 12919 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12920 // Clean up failed installation 12921 if (mp.targetArgs != null) { 12922 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12923 -1); 12924 } 12925 } else { 12926 // Force a gc to clear things up. 12927 Runtime.getRuntime().gc(); 12928 // Delete older code 12929 synchronized (mInstallLock) { 12930 mp.srcArgs.doPostDeleteLI(true); 12931 } 12932 } 12933 12934 // Allow more operations on this file if we didn't fail because 12935 // an operation was already pending for this package. 12936 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12937 synchronized (mPackages) { 12938 PackageParser.Package pkg = mPackages.get(mp.packageName); 12939 if (pkg != null) { 12940 pkg.mOperationPending = false; 12941 } 12942 } 12943 } 12944 12945 IPackageMoveObserver observer = mp.observer; 12946 if (observer != null) { 12947 try { 12948 observer.packageMoved(mp.packageName, returnCode); 12949 } catch (RemoteException e) { 12950 Log.i(TAG, "Observer no longer exists."); 12951 } 12952 } 12953 } 12954 }); 12955 } 12956 12957 @Override 12958 public boolean setInstallLocation(int loc) { 12959 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12960 null); 12961 if (getInstallLocation() == loc) { 12962 return true; 12963 } 12964 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12965 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12966 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12967 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12968 return true; 12969 } 12970 return false; 12971 } 12972 12973 @Override 12974 public int getInstallLocation() { 12975 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12976 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12977 PackageHelper.APP_INSTALL_AUTO); 12978 } 12979 12980 /** Called by UserManagerService */ 12981 void cleanUpUserLILPw(int userHandle) { 12982 mDirtyUsers.remove(userHandle); 12983 mSettings.removeUserLPr(userHandle); 12984 mPendingBroadcasts.remove(userHandle); 12985 if (mInstaller != null) { 12986 // Technically, we shouldn't be doing this with the package lock 12987 // held. However, this is very rare, and there is already so much 12988 // other disk I/O going on, that we'll let it slide for now. 12989 mInstaller.removeUserDataDirs(userHandle); 12990 } 12991 } 12992 12993 /** Called by UserManagerService */ 12994 void createNewUserLILPw(int userHandle, File path) { 12995 if (mInstaller != null) { 12996 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12997 } 12998 } 12999 13000 @Override 13001 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13002 mContext.enforceCallingOrSelfPermission( 13003 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13004 "Only package verification agents can read the verifier device identity"); 13005 13006 synchronized (mPackages) { 13007 return mSettings.getVerifierDeviceIdentityLPw(); 13008 } 13009 } 13010 13011 @Override 13012 public void setPermissionEnforced(String permission, boolean enforced) { 13013 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13014 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13015 synchronized (mPackages) { 13016 if (mSettings.mReadExternalStorageEnforced == null 13017 || mSettings.mReadExternalStorageEnforced != enforced) { 13018 mSettings.mReadExternalStorageEnforced = enforced; 13019 mSettings.writeLPr(); 13020 } 13021 } 13022 // kill any non-foreground processes so we restart them and 13023 // grant/revoke the GID. 13024 final IActivityManager am = ActivityManagerNative.getDefault(); 13025 if (am != null) { 13026 final long token = Binder.clearCallingIdentity(); 13027 try { 13028 am.killProcessesBelowForeground("setPermissionEnforcement"); 13029 } catch (RemoteException e) { 13030 } finally { 13031 Binder.restoreCallingIdentity(token); 13032 } 13033 } 13034 } else { 13035 throw new IllegalArgumentException("No selective enforcement for " + permission); 13036 } 13037 } 13038 13039 @Override 13040 @Deprecated 13041 public boolean isPermissionEnforced(String permission) { 13042 return true; 13043 } 13044 13045 @Override 13046 public boolean isStorageLow() { 13047 final long token = Binder.clearCallingIdentity(); 13048 try { 13049 final DeviceStorageMonitorInternal 13050 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13051 if (dsm != null) { 13052 return dsm.isMemoryLow(); 13053 } else { 13054 return false; 13055 } 13056 } finally { 13057 Binder.restoreCallingIdentity(token); 13058 } 13059 } 13060 13061 @Override 13062 public IPackageInstaller getPackageInstaller() { 13063 return mInstallerService; 13064 } 13065} 13066