PackageManagerService.java revision 34f6084bc21b07ae9112be6e7a8f50c49828ac9c
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.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static android.os.Process.PACKAGE_INFO_GID; 27import static android.os.Process.SYSTEM_UID; 28import static android.system.OsConstants.S_IRGRP; 29import static android.system.OsConstants.S_IROTH; 30import static android.system.OsConstants.S_IRWXU; 31import static android.system.OsConstants.S_IXGRP; 32import static android.system.OsConstants.S_IXOTH; 33import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 34import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 35import static com.android.internal.util.ArrayUtils.appendInt; 36import static com.android.internal.util.ArrayUtils.removeInt; 37 38import com.android.internal.R; 39import com.android.internal.app.IMediaContainerService; 40import com.android.internal.app.ResolverActivity; 41import com.android.internal.content.NativeLibraryHelper; 42import com.android.internal.content.PackageHelper; 43import com.android.internal.util.FastPrintWriter; 44import com.android.internal.util.FastXmlSerializer; 45import com.android.internal.util.XmlUtils; 46import com.android.server.EventLogTags; 47import com.android.server.IntentResolver; 48import com.android.server.LocalServices; 49import com.android.server.ServiceThread; 50import com.android.server.Watchdog; 51import com.android.server.pm.Settings.DatabaseVersion; 52import com.android.server.storage.DeviceStorageMonitorInternal; 53import com.android.server.storage.DeviceStorageMonitorInternal; 54 55import org.xmlpull.v1.XmlPullParser; 56import org.xmlpull.v1.XmlPullParserException; 57import org.xmlpull.v1.XmlSerializer; 58 59import android.app.ActivityManager; 60import android.app.ActivityManagerNative; 61import android.app.IActivityManager; 62import android.app.admin.IDevicePolicyManager; 63import android.app.backup.IBackupManager; 64import android.content.BroadcastReceiver; 65import android.content.ComponentName; 66import android.content.Context; 67import android.content.IIntentReceiver; 68import android.content.Intent; 69import android.content.IntentFilter; 70import android.content.IntentSender; 71import android.content.IntentSender.SendIntentException; 72import android.content.ServiceConnection; 73import android.content.pm.ActivityInfo; 74import android.content.pm.ApplicationInfo; 75import android.content.pm.ContainerEncryptionParams; 76import android.content.pm.FeatureInfo; 77import android.content.pm.IPackageDataObserver; 78import android.content.pm.IPackageDeleteObserver; 79import android.content.pm.IPackageInstallObserver; 80import android.content.pm.IPackageInstallObserver2; 81import android.content.pm.IPackageManager; 82import android.content.pm.IPackageMoveObserver; 83import android.content.pm.IPackageStatsObserver; 84import android.content.pm.InstrumentationInfo; 85import android.content.pm.ManifestDigest; 86import android.content.pm.PackageCleanItem; 87import android.content.pm.PackageInfo; 88import android.content.pm.PackageInfoLite; 89import android.content.pm.PackageManager; 90import android.content.pm.PackageParser.ActivityIntentInfo; 91import android.content.pm.PackageParser; 92import android.content.pm.PackageStats; 93import android.content.pm.PackageUserState; 94import android.content.pm.ParceledListSlice; 95import android.content.pm.PermissionGroupInfo; 96import android.content.pm.PermissionInfo; 97import android.content.pm.ProviderInfo; 98import android.content.pm.ResolveInfo; 99import android.content.pm.ServiceInfo; 100import android.content.pm.Signature; 101import android.content.pm.VerificationParams; 102import android.content.pm.VerifierDeviceIdentity; 103import android.content.pm.VerifierInfo; 104import android.content.res.Resources; 105import android.hardware.display.DisplayManager; 106import android.net.Uri; 107import android.os.Binder; 108import android.os.Build; 109import android.os.Bundle; 110import android.os.Environment; 111import android.os.Environment.UserEnvironment; 112import android.os.FileObserver; 113import android.os.FileUtils; 114import android.os.Handler; 115import android.os.IBinder; 116import android.os.Looper; 117import android.os.Message; 118import android.os.Parcel; 119import android.os.ParcelFileDescriptor; 120import android.os.Process; 121import android.os.RemoteException; 122import android.os.SELinux; 123import android.os.ServiceManager; 124import android.os.SystemClock; 125import android.os.SystemProperties; 126import android.os.UserHandle; 127import android.os.UserManager; 128import android.security.KeyStore; 129import android.security.SystemKeyStore; 130import android.system.ErrnoException; 131import android.system.Os; 132import android.system.StructStat; 133import android.text.TextUtils; 134import android.util.AtomicFile; 135import android.util.DisplayMetrics; 136import android.util.EventLog; 137import android.util.Log; 138import android.util.LogPrinter; 139import android.util.PrintStreamPrinter; 140import android.util.Slog; 141import android.util.SparseArray; 142import android.util.Xml; 143import android.view.Display; 144 145import java.io.BufferedInputStream; 146import java.io.BufferedOutputStream; 147import java.io.File; 148import java.io.FileDescriptor; 149import java.io.FileInputStream; 150import java.io.FileNotFoundException; 151import java.io.FileOutputStream; 152import java.io.FileReader; 153import java.io.FilenameFilter; 154import java.io.IOException; 155import java.io.InputStream; 156import java.io.PrintWriter; 157import java.nio.charset.StandardCharsets; 158import java.security.NoSuchAlgorithmException; 159import java.security.PublicKey; 160import java.security.cert.CertificateEncodingException; 161import java.security.cert.CertificateException; 162import java.text.SimpleDateFormat; 163import java.util.ArrayList; 164import java.util.Arrays; 165import java.util.Collection; 166import java.util.Collections; 167import java.util.Comparator; 168import java.util.Date; 169import java.util.HashMap; 170import java.util.HashSet; 171import java.util.Iterator; 172import java.util.List; 173import java.util.Map; 174import java.util.Set; 175import java.util.concurrent.atomic.AtomicBoolean; 176import java.util.concurrent.atomic.AtomicLong; 177 178import dalvik.system.DexFile; 179import dalvik.system.StaleDexCacheError; 180import dalvik.system.VMRuntime; 181import libcore.io.IoUtils; 182 183/** 184 * Keep track of all those .apks everywhere. 185 * 186 * This is very central to the platform's security; please run the unit 187 * tests whenever making modifications here: 188 * 189mmm frameworks/base/tests/AndroidTests 190adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 191adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 192 * 193 * {@hide} 194 */ 195public class PackageManagerService extends IPackageManager.Stub { 196 static final String TAG = "PackageManager"; 197 static final boolean DEBUG_SETTINGS = false; 198 static final boolean DEBUG_PREFERRED = false; 199 static final boolean DEBUG_UPGRADE = false; 200 private static final boolean DEBUG_INSTALL = false; 201 private static final boolean DEBUG_REMOVE = false; 202 private static final boolean DEBUG_BROADCASTS = false; 203 private static final boolean DEBUG_SHOW_INFO = false; 204 private static final boolean DEBUG_PACKAGE_INFO = false; 205 private static final boolean DEBUG_INTENT_MATCHING = false; 206 private static final boolean DEBUG_PACKAGE_SCANNING = false; 207 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 208 private static final boolean DEBUG_VERIFY = false; 209 private static final boolean DEBUG_DEXOPT = false; 210 211 private static final int RADIO_UID = Process.PHONE_UID; 212 private static final int LOG_UID = Process.LOG_UID; 213 private static final int NFC_UID = Process.NFC_UID; 214 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 215 private static final int SHELL_UID = Process.SHELL_UID; 216 217 // Cap the size of permission trees that 3rd party apps can define 218 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 219 220 private static final int REMOVE_EVENTS = 221 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 222 private static final int ADD_EVENTS = 223 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 224 225 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 226 // Suffix used during package installation when copying/moving 227 // package apks to install directory. 228 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 229 230 static final int SCAN_MONITOR = 1<<0; 231 static final int SCAN_NO_DEX = 1<<1; 232 static final int SCAN_FORCE_DEX = 1<<2; 233 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 234 static final int SCAN_NEW_INSTALL = 1<<4; 235 static final int SCAN_NO_PATHS = 1<<5; 236 static final int SCAN_UPDATE_TIME = 1<<6; 237 static final int SCAN_DEFER_DEX = 1<<7; 238 static final int SCAN_BOOTING = 1<<8; 239 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 240 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 241 242 static final int REMOVE_CHATTY = 1<<16; 243 244 /** 245 * Timeout (in milliseconds) after which the watchdog should declare that 246 * our handler thread is wedged. The usual default for such things is one 247 * minute but we sometimes do very lengthy I/O operations on this thread, 248 * such as installing multi-gigabyte applications, so ours needs to be longer. 249 */ 250 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 251 252 /** 253 * Whether verification is enabled by default. 254 */ 255 private static final boolean DEFAULT_VERIFY_ENABLE = true; 256 257 /** 258 * The default maximum time to wait for the verification agent to return in 259 * milliseconds. 260 */ 261 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 262 263 /** 264 * The default response for package verification timeout. 265 * 266 * This can be either PackageManager.VERIFICATION_ALLOW or 267 * PackageManager.VERIFICATION_REJECT. 268 */ 269 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 270 271 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 272 273 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 274 DEFAULT_CONTAINER_PACKAGE, 275 "com.android.defcontainer.DefaultContainerService"); 276 277 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 278 279 private static final String LIB_DIR_NAME = "lib"; 280 private static final String LIB64_DIR_NAME = "lib64"; 281 282 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 283 284 static final String mTempContainerPrefix = "smdl2tmp"; 285 286 private static String sPreferredInstructionSet; 287 288 final ServiceThread mHandlerThread; 289 290 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 291 private static final String IDMAP_SUFFIX = "@idmap"; 292 293 final PackageHandler mHandler; 294 295 final int mSdkVersion = Build.VERSION.SDK_INT; 296 297 final Context mContext; 298 final boolean mFactoryTest; 299 final boolean mOnlyCore; 300 final DisplayMetrics mMetrics; 301 final int mDefParseFlags; 302 final String[] mSeparateProcesses; 303 304 // This is where all application persistent data goes. 305 final File mAppDataDir; 306 307 // This is where all application persistent data goes for secondary users. 308 final File mUserAppDataDir; 309 310 /** The location for ASEC container files on internal storage. */ 311 final String mAsecInternalPath; 312 313 // This is the object monitoring the framework dir. 314 final FileObserver mFrameworkInstallObserver; 315 316 // This is the object monitoring the system app dir. 317 final FileObserver mSystemInstallObserver; 318 319 // This is the object monitoring the privileged system app dir. 320 final FileObserver mPrivilegedInstallObserver; 321 322 // This is the object monitoring the vendor app dir. 323 final FileObserver mVendorInstallObserver; 324 325 // This is the object monitoring the vendor overlay package dir. 326 final FileObserver mVendorOverlayInstallObserver; 327 328 // This is the object monitoring the OEM app dir. 329 final FileObserver mOemInstallObserver; 330 331 // This is the object monitoring mAppInstallDir. 332 final FileObserver mAppInstallObserver; 333 334 // This is the object monitoring mDrmAppPrivateInstallDir. 335 final FileObserver mDrmAppInstallObserver; 336 337 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 338 // LOCK HELD. Can be called with mInstallLock held. 339 final Installer mInstaller; 340 341 final File mAppInstallDir; 342 343 /** 344 * Directory to which applications installed internally have native 345 * libraries copied. 346 */ 347 private File mAppLibInstallDir; 348 349 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 350 // apps. 351 final File mDrmAppPrivateInstallDir; 352 353 // ---------------------------------------------------------------- 354 355 // Lock for state used when installing and doing other long running 356 // operations. Methods that must be called with this lock held have 357 // the suffix "LI". 358 final Object mInstallLock = new Object(); 359 360 // These are the directories in the 3rd party applications installed dir 361 // that we have currently loaded packages from. Keys are the application's 362 // installed zip file (absolute codePath), and values are Package. 363 final HashMap<String, PackageParser.Package> mAppDirs = 364 new HashMap<String, PackageParser.Package>(); 365 366 // Information for the parser to write more useful error messages. 367 int mLastScanError; 368 369 // ---------------------------------------------------------------- 370 371 // Keys are String (package name), values are Package. This also serves 372 // as the lock for the global state. Methods that must be called with 373 // this lock held have the prefix "LP". 374 final HashMap<String, PackageParser.Package> mPackages = 375 new HashMap<String, PackageParser.Package>(); 376 377 // Tracks available target package names -> overlay package paths. 378 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 379 new HashMap<String, HashMap<String, PackageParser.Package>>(); 380 381 final Settings mSettings; 382 boolean mRestoredSettings; 383 384 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 385 int[] mGlobalGids; 386 387 // These are the built-in uid -> permission mappings that were read from the 388 // etc/permissions.xml file. 389 final SparseArray<HashSet<String>> mSystemPermissions = 390 new SparseArray<HashSet<String>>(); 391 392 static final class SharedLibraryEntry { 393 final String path; 394 final String apk; 395 396 SharedLibraryEntry(String _path, String _apk) { 397 path = _path; 398 apk = _apk; 399 } 400 } 401 402 // These are the built-in shared libraries that were read from the 403 // etc/permissions.xml file. 404 final HashMap<String, SharedLibraryEntry> mSharedLibraries 405 = new HashMap<String, SharedLibraryEntry>(); 406 407 // Temporary for building the final shared libraries for an .apk. 408 String[] mTmpSharedLibraries = null; 409 410 // These are the features this devices supports that were read from the 411 // etc/permissions.xml file. 412 final HashMap<String, FeatureInfo> mAvailableFeatures = 413 new HashMap<String, FeatureInfo>(); 414 415 // If mac_permissions.xml was found for seinfo labeling. 416 boolean mFoundPolicyFile; 417 418 // If a recursive restorecon of /data/data/<pkg> is needed. 419 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 420 421 // All available activities, for your resolving pleasure. 422 final ActivityIntentResolver mActivities = 423 new ActivityIntentResolver(); 424 425 // All available receivers, for your resolving pleasure. 426 final ActivityIntentResolver mReceivers = 427 new ActivityIntentResolver(); 428 429 // All available services, for your resolving pleasure. 430 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 431 432 // All available providers, for your resolving pleasure. 433 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 434 435 // Mapping from provider base names (first directory in content URI codePath) 436 // to the provider information. 437 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 438 new HashMap<String, PackageParser.Provider>(); 439 440 // Mapping from instrumentation class names to info about them. 441 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 442 new HashMap<ComponentName, PackageParser.Instrumentation>(); 443 444 // Mapping from permission names to info about them. 445 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 446 new HashMap<String, PackageParser.PermissionGroup>(); 447 448 // Packages whose data we have transfered into another package, thus 449 // should no longer exist. 450 final HashSet<String> mTransferedPackages = new HashSet<String>(); 451 452 // Broadcast actions that are only available to the system. 453 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 454 455 /** List of packages waiting for verification. */ 456 final SparseArray<PackageVerificationState> mPendingVerification 457 = new SparseArray<PackageVerificationState>(); 458 459 HashSet<PackageParser.Package> mDeferredDexOpt = null; 460 461 /** Token for keys in mPendingVerification. */ 462 private int mPendingVerificationToken = 0; 463 464 boolean mSystemReady; 465 boolean mSafeMode; 466 boolean mHasSystemUidErrors; 467 468 ApplicationInfo mAndroidApplication; 469 final ActivityInfo mResolveActivity = new ActivityInfo(); 470 final ResolveInfo mResolveInfo = new ResolveInfo(); 471 ComponentName mResolveComponentName; 472 PackageParser.Package mPlatformPackage; 473 ComponentName mCustomResolverComponentName; 474 475 boolean mResolverReplaced = false; 476 477 // Set of pending broadcasts for aggregating enable/disable of components. 478 static class PendingPackageBroadcasts { 479 // for each user id, a map of <package name -> components within that package> 480 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 481 482 public PendingPackageBroadcasts() { 483 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 484 } 485 486 public ArrayList<String> get(int userId, String packageName) { 487 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 488 return packages.get(packageName); 489 } 490 491 public void put(int userId, String packageName, ArrayList<String> components) { 492 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 493 packages.put(packageName, components); 494 } 495 496 public void remove(int userId, String packageName) { 497 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 498 if (packages != null) { 499 packages.remove(packageName); 500 } 501 } 502 503 public void remove(int userId) { 504 mUidMap.remove(userId); 505 } 506 507 public int userIdCount() { 508 return mUidMap.size(); 509 } 510 511 public int userIdAt(int n) { 512 return mUidMap.keyAt(n); 513 } 514 515 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 516 return mUidMap.get(userId); 517 } 518 519 public int size() { 520 // total number of pending broadcast entries across all userIds 521 int num = 0; 522 for (int i = 0; i< mUidMap.size(); i++) { 523 num += mUidMap.valueAt(i).size(); 524 } 525 return num; 526 } 527 528 public void clear() { 529 mUidMap.clear(); 530 } 531 532 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 533 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 534 if (map == null) { 535 map = new HashMap<String, ArrayList<String>>(); 536 mUidMap.put(userId, map); 537 } 538 return map; 539 } 540 } 541 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 542 543 // Service Connection to remote media container service to copy 544 // package uri's from external media onto secure containers 545 // or internal storage. 546 private IMediaContainerService mContainerService = null; 547 548 static final int SEND_PENDING_BROADCAST = 1; 549 static final int MCS_BOUND = 3; 550 static final int END_COPY = 4; 551 static final int INIT_COPY = 5; 552 static final int MCS_UNBIND = 6; 553 static final int START_CLEANING_PACKAGE = 7; 554 static final int FIND_INSTALL_LOC = 8; 555 static final int POST_INSTALL = 9; 556 static final int MCS_RECONNECT = 10; 557 static final int MCS_GIVE_UP = 11; 558 static final int UPDATED_MEDIA_STATUS = 12; 559 static final int WRITE_SETTINGS = 13; 560 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 561 static final int PACKAGE_VERIFIED = 15; 562 static final int CHECK_PENDING_VERIFICATION = 16; 563 564 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 565 566 // Delay time in millisecs 567 static final int BROADCAST_DELAY = 10 * 1000; 568 569 static UserManagerService sUserManager; 570 571 // Stores a list of users whose package restrictions file needs to be updated 572 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 573 574 final private DefaultContainerConnection mDefContainerConn = 575 new DefaultContainerConnection(); 576 class DefaultContainerConnection implements ServiceConnection { 577 public void onServiceConnected(ComponentName name, IBinder service) { 578 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 579 IMediaContainerService imcs = 580 IMediaContainerService.Stub.asInterface(service); 581 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 582 } 583 584 public void onServiceDisconnected(ComponentName name) { 585 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 586 } 587 }; 588 589 // Recordkeeping of restore-after-install operations that are currently in flight 590 // between the Package Manager and the Backup Manager 591 class PostInstallData { 592 public InstallArgs args; 593 public PackageInstalledInfo res; 594 595 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 596 args = _a; 597 res = _r; 598 } 599 }; 600 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 601 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 602 603 private final String mRequiredVerifierPackage; 604 605 private final PackageUsage mPackageUsage = new PackageUsage(); 606 607 private class PackageUsage { 608 private static final int WRITE_INTERVAL 609 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 610 611 private final Object mFileLock = new Object(); 612 private final AtomicLong mLastWritten = new AtomicLong(0); 613 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 614 615 private boolean mIsFirstBoot = false; 616 617 boolean isFirstBoot() { 618 return mIsFirstBoot; 619 } 620 621 void write(boolean force) { 622 if (force) { 623 writeInternal(); 624 return; 625 } 626 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 627 && !DEBUG_DEXOPT) { 628 return; 629 } 630 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 631 new Thread("PackageUsage_DiskWriter") { 632 @Override 633 public void run() { 634 try { 635 writeInternal(); 636 } finally { 637 mBackgroundWriteRunning.set(false); 638 } 639 } 640 }.start(); 641 } 642 } 643 644 private void writeInternal() { 645 synchronized (mPackages) { 646 synchronized (mFileLock) { 647 AtomicFile file = getFile(); 648 FileOutputStream f = null; 649 try { 650 f = file.startWrite(); 651 BufferedOutputStream out = new BufferedOutputStream(f); 652 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 653 StringBuilder sb = new StringBuilder(); 654 for (PackageParser.Package pkg : mPackages.values()) { 655 if (pkg.mLastPackageUsageTimeInMills == 0) { 656 continue; 657 } 658 sb.setLength(0); 659 sb.append(pkg.packageName); 660 sb.append(' '); 661 sb.append((long)pkg.mLastPackageUsageTimeInMills); 662 sb.append('\n'); 663 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 664 } 665 out.flush(); 666 file.finishWrite(f); 667 } catch (IOException e) { 668 if (f != null) { 669 file.failWrite(f); 670 } 671 Log.e(TAG, "Failed to write package usage times", e); 672 } 673 } 674 } 675 mLastWritten.set(SystemClock.elapsedRealtime()); 676 } 677 678 void readLP() { 679 synchronized (mFileLock) { 680 AtomicFile file = getFile(); 681 BufferedInputStream in = null; 682 try { 683 in = new BufferedInputStream(file.openRead()); 684 StringBuffer sb = new StringBuffer(); 685 while (true) { 686 String packageName = readToken(in, sb, ' '); 687 if (packageName == null) { 688 break; 689 } 690 String timeInMillisString = readToken(in, sb, '\n'); 691 if (timeInMillisString == null) { 692 throw new IOException("Failed to find last usage time for package " 693 + packageName); 694 } 695 PackageParser.Package pkg = mPackages.get(packageName); 696 if (pkg == null) { 697 continue; 698 } 699 long timeInMillis; 700 try { 701 timeInMillis = Long.parseLong(timeInMillisString.toString()); 702 } catch (NumberFormatException e) { 703 throw new IOException("Failed to parse " + timeInMillisString 704 + " as a long.", e); 705 } 706 pkg.mLastPackageUsageTimeInMills = timeInMillis; 707 } 708 } catch (FileNotFoundException expected) { 709 mIsFirstBoot = true; 710 } catch (IOException e) { 711 Log.w(TAG, "Failed to read package usage times", e); 712 } finally { 713 IoUtils.closeQuietly(in); 714 } 715 } 716 mLastWritten.set(SystemClock.elapsedRealtime()); 717 } 718 719 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 720 throws IOException { 721 sb.setLength(0); 722 while (true) { 723 int ch = in.read(); 724 if (ch == -1) { 725 if (sb.length() == 0) { 726 return null; 727 } 728 throw new IOException("Unexpected EOF"); 729 } 730 if (ch == endOfToken) { 731 return sb.toString(); 732 } 733 sb.append((char)ch); 734 } 735 } 736 737 private AtomicFile getFile() { 738 File dataDir = Environment.getDataDirectory(); 739 File systemDir = new File(dataDir, "system"); 740 File fname = new File(systemDir, "package-usage.list"); 741 return new AtomicFile(fname); 742 } 743 } 744 745 class PackageHandler extends Handler { 746 private boolean mBound = false; 747 final ArrayList<HandlerParams> mPendingInstalls = 748 new ArrayList<HandlerParams>(); 749 750 private boolean connectToService() { 751 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 752 " DefaultContainerService"); 753 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 754 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 755 if (mContext.bindServiceAsUser(service, mDefContainerConn, 756 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 757 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 758 mBound = true; 759 return true; 760 } 761 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 762 return false; 763 } 764 765 private void disconnectService() { 766 mContainerService = null; 767 mBound = false; 768 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 769 mContext.unbindService(mDefContainerConn); 770 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 771 } 772 773 PackageHandler(Looper looper) { 774 super(looper); 775 } 776 777 public void handleMessage(Message msg) { 778 try { 779 doHandleMessage(msg); 780 } finally { 781 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 782 } 783 } 784 785 void doHandleMessage(Message msg) { 786 switch (msg.what) { 787 case INIT_COPY: { 788 HandlerParams params = (HandlerParams) msg.obj; 789 int idx = mPendingInstalls.size(); 790 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 791 // If a bind was already initiated we dont really 792 // need to do anything. The pending install 793 // will be processed later on. 794 if (!mBound) { 795 // If this is the only one pending we might 796 // have to bind to the service again. 797 if (!connectToService()) { 798 Slog.e(TAG, "Failed to bind to media container service"); 799 params.serviceError(); 800 return; 801 } else { 802 // Once we bind to the service, the first 803 // pending request will be processed. 804 mPendingInstalls.add(idx, params); 805 } 806 } else { 807 mPendingInstalls.add(idx, params); 808 // Already bound to the service. Just make 809 // sure we trigger off processing the first request. 810 if (idx == 0) { 811 mHandler.sendEmptyMessage(MCS_BOUND); 812 } 813 } 814 break; 815 } 816 case MCS_BOUND: { 817 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 818 if (msg.obj != null) { 819 mContainerService = (IMediaContainerService) msg.obj; 820 } 821 if (mContainerService == null) { 822 // Something seriously wrong. Bail out 823 Slog.e(TAG, "Cannot bind to media container service"); 824 for (HandlerParams params : mPendingInstalls) { 825 // Indicate service bind error 826 params.serviceError(); 827 } 828 mPendingInstalls.clear(); 829 } else if (mPendingInstalls.size() > 0) { 830 HandlerParams params = mPendingInstalls.get(0); 831 if (params != null) { 832 if (params.startCopy()) { 833 // We are done... look for more work or to 834 // go idle. 835 if (DEBUG_SD_INSTALL) Log.i(TAG, 836 "Checking for more work or unbind..."); 837 // Delete pending install 838 if (mPendingInstalls.size() > 0) { 839 mPendingInstalls.remove(0); 840 } 841 if (mPendingInstalls.size() == 0) { 842 if (mBound) { 843 if (DEBUG_SD_INSTALL) Log.i(TAG, 844 "Posting delayed MCS_UNBIND"); 845 removeMessages(MCS_UNBIND); 846 Message ubmsg = obtainMessage(MCS_UNBIND); 847 // Unbind after a little delay, to avoid 848 // continual thrashing. 849 sendMessageDelayed(ubmsg, 10000); 850 } 851 } else { 852 // There are more pending requests in queue. 853 // Just post MCS_BOUND message to trigger processing 854 // of next pending install. 855 if (DEBUG_SD_INSTALL) Log.i(TAG, 856 "Posting MCS_BOUND for next work"); 857 mHandler.sendEmptyMessage(MCS_BOUND); 858 } 859 } 860 } 861 } else { 862 // Should never happen ideally. 863 Slog.w(TAG, "Empty queue"); 864 } 865 break; 866 } 867 case MCS_RECONNECT: { 868 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 869 if (mPendingInstalls.size() > 0) { 870 if (mBound) { 871 disconnectService(); 872 } 873 if (!connectToService()) { 874 Slog.e(TAG, "Failed to bind to media container service"); 875 for (HandlerParams params : mPendingInstalls) { 876 // Indicate service bind error 877 params.serviceError(); 878 } 879 mPendingInstalls.clear(); 880 } 881 } 882 break; 883 } 884 case MCS_UNBIND: { 885 // If there is no actual work left, then time to unbind. 886 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 887 888 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 889 if (mBound) { 890 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 891 892 disconnectService(); 893 } 894 } else if (mPendingInstalls.size() > 0) { 895 // There are more pending requests in queue. 896 // Just post MCS_BOUND message to trigger processing 897 // of next pending install. 898 mHandler.sendEmptyMessage(MCS_BOUND); 899 } 900 901 break; 902 } 903 case MCS_GIVE_UP: { 904 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 905 mPendingInstalls.remove(0); 906 break; 907 } 908 case SEND_PENDING_BROADCAST: { 909 String packages[]; 910 ArrayList<String> components[]; 911 int size = 0; 912 int uids[]; 913 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 914 synchronized (mPackages) { 915 if (mPendingBroadcasts == null) { 916 return; 917 } 918 size = mPendingBroadcasts.size(); 919 if (size <= 0) { 920 // Nothing to be done. Just return 921 return; 922 } 923 packages = new String[size]; 924 components = new ArrayList[size]; 925 uids = new int[size]; 926 int i = 0; // filling out the above arrays 927 928 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 929 int packageUserId = mPendingBroadcasts.userIdAt(n); 930 Iterator<Map.Entry<String, ArrayList<String>>> it 931 = mPendingBroadcasts.packagesForUserId(packageUserId) 932 .entrySet().iterator(); 933 while (it.hasNext() && i < size) { 934 Map.Entry<String, ArrayList<String>> ent = it.next(); 935 packages[i] = ent.getKey(); 936 components[i] = ent.getValue(); 937 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 938 uids[i] = (ps != null) 939 ? UserHandle.getUid(packageUserId, ps.appId) 940 : -1; 941 i++; 942 } 943 } 944 size = i; 945 mPendingBroadcasts.clear(); 946 } 947 // Send broadcasts 948 for (int i = 0; i < size; i++) { 949 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 950 } 951 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 952 break; 953 } 954 case START_CLEANING_PACKAGE: { 955 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 956 final String packageName = (String)msg.obj; 957 final int userId = msg.arg1; 958 final boolean andCode = msg.arg2 != 0; 959 synchronized (mPackages) { 960 if (userId == UserHandle.USER_ALL) { 961 int[] users = sUserManager.getUserIds(); 962 for (int user : users) { 963 mSettings.addPackageToCleanLPw( 964 new PackageCleanItem(user, packageName, andCode)); 965 } 966 } else { 967 mSettings.addPackageToCleanLPw( 968 new PackageCleanItem(userId, packageName, andCode)); 969 } 970 } 971 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 972 startCleaningPackages(); 973 } break; 974 case POST_INSTALL: { 975 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 976 PostInstallData data = mRunningInstalls.get(msg.arg1); 977 mRunningInstalls.delete(msg.arg1); 978 boolean deleteOld = false; 979 980 if (data != null) { 981 InstallArgs args = data.args; 982 PackageInstalledInfo res = data.res; 983 984 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 985 res.removedInfo.sendBroadcast(false, true, false); 986 Bundle extras = new Bundle(1); 987 extras.putInt(Intent.EXTRA_UID, res.uid); 988 // Determine the set of users who are adding this 989 // package for the first time vs. those who are seeing 990 // an update. 991 int[] firstUsers; 992 int[] updateUsers = new int[0]; 993 if (res.origUsers == null || res.origUsers.length == 0) { 994 firstUsers = res.newUsers; 995 } else { 996 firstUsers = new int[0]; 997 for (int i=0; i<res.newUsers.length; i++) { 998 int user = res.newUsers[i]; 999 boolean isNew = true; 1000 for (int j=0; j<res.origUsers.length; j++) { 1001 if (res.origUsers[j] == user) { 1002 isNew = false; 1003 break; 1004 } 1005 } 1006 if (isNew) { 1007 int[] newFirst = new int[firstUsers.length+1]; 1008 System.arraycopy(firstUsers, 0, newFirst, 0, 1009 firstUsers.length); 1010 newFirst[firstUsers.length] = user; 1011 firstUsers = newFirst; 1012 } else { 1013 int[] newUpdate = new int[updateUsers.length+1]; 1014 System.arraycopy(updateUsers, 0, newUpdate, 0, 1015 updateUsers.length); 1016 newUpdate[updateUsers.length] = user; 1017 updateUsers = newUpdate; 1018 } 1019 } 1020 } 1021 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1022 res.pkg.applicationInfo.packageName, 1023 extras, null, null, firstUsers); 1024 final boolean update = res.removedInfo.removedPackage != null; 1025 if (update) { 1026 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1027 } 1028 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1029 res.pkg.applicationInfo.packageName, 1030 extras, null, null, updateUsers); 1031 if (update) { 1032 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1033 res.pkg.applicationInfo.packageName, 1034 extras, null, null, updateUsers); 1035 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1036 null, null, 1037 res.pkg.applicationInfo.packageName, null, updateUsers); 1038 1039 // treat asec-hosted packages like removable media on upgrade 1040 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1041 if (DEBUG_INSTALL) { 1042 Slog.i(TAG, "upgrading pkg " + res.pkg 1043 + " is ASEC-hosted -> AVAILABLE"); 1044 } 1045 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1046 ArrayList<String> pkgList = new ArrayList<String>(1); 1047 pkgList.add(res.pkg.applicationInfo.packageName); 1048 sendResourcesChangedBroadcast(true, true, 1049 pkgList,uidArray, null); 1050 } 1051 } 1052 if (res.removedInfo.args != null) { 1053 // Remove the replaced package's older resources safely now 1054 deleteOld = true; 1055 } 1056 1057 // Log current value of "unknown sources" setting 1058 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1059 getUnknownSourcesSettings()); 1060 } 1061 // Force a gc to clear up things 1062 Runtime.getRuntime().gc(); 1063 // We delete after a gc for applications on sdcard. 1064 if (deleteOld) { 1065 synchronized (mInstallLock) { 1066 res.removedInfo.args.doPostDeleteLI(true); 1067 } 1068 } 1069 if (args.observer != null) { 1070 try { 1071 args.observer.packageInstalled(res.name, res.returnCode); 1072 } catch (RemoteException e) { 1073 Slog.i(TAG, "Observer no longer exists."); 1074 } 1075 } 1076 if (args.observer2 != null) { 1077 try { 1078 Bundle extras = extrasForInstallResult(res); 1079 args.observer2.packageInstalled(res.name, extras, res.returnCode); 1080 } catch (RemoteException e) { 1081 Slog.i(TAG, "Observer no longer exists."); 1082 } 1083 } 1084 } else { 1085 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1086 } 1087 } break; 1088 case UPDATED_MEDIA_STATUS: { 1089 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1090 boolean reportStatus = msg.arg1 == 1; 1091 boolean doGc = msg.arg2 == 1; 1092 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1093 if (doGc) { 1094 // Force a gc to clear up stale containers. 1095 Runtime.getRuntime().gc(); 1096 } 1097 if (msg.obj != null) { 1098 @SuppressWarnings("unchecked") 1099 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1100 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1101 // Unload containers 1102 unloadAllContainers(args); 1103 } 1104 if (reportStatus) { 1105 try { 1106 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1107 PackageHelper.getMountService().finishMediaUpdate(); 1108 } catch (RemoteException e) { 1109 Log.e(TAG, "MountService not running?"); 1110 } 1111 } 1112 } break; 1113 case WRITE_SETTINGS: { 1114 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1115 synchronized (mPackages) { 1116 removeMessages(WRITE_SETTINGS); 1117 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1118 mSettings.writeLPr(); 1119 mDirtyUsers.clear(); 1120 } 1121 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1122 } break; 1123 case WRITE_PACKAGE_RESTRICTIONS: { 1124 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1125 synchronized (mPackages) { 1126 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1127 for (int userId : mDirtyUsers) { 1128 mSettings.writePackageRestrictionsLPr(userId); 1129 } 1130 mDirtyUsers.clear(); 1131 } 1132 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1133 } break; 1134 case CHECK_PENDING_VERIFICATION: { 1135 final int verificationId = msg.arg1; 1136 final PackageVerificationState state = mPendingVerification.get(verificationId); 1137 1138 if ((state != null) && !state.timeoutExtended()) { 1139 final InstallArgs args = state.getInstallArgs(); 1140 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 1141 mPendingVerification.remove(verificationId); 1142 1143 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1144 1145 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1146 Slog.i(TAG, "Continuing with installation of " 1147 + args.packageURI.toString()); 1148 state.setVerifierResponse(Binder.getCallingUid(), 1149 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1150 broadcastPackageVerified(verificationId, args.packageURI, 1151 PackageManager.VERIFICATION_ALLOW, 1152 state.getInstallArgs().getUser()); 1153 try { 1154 ret = args.copyApk(mContainerService, true); 1155 } catch (RemoteException e) { 1156 Slog.e(TAG, "Could not contact the ContainerService"); 1157 } 1158 } else { 1159 broadcastPackageVerified(verificationId, args.packageURI, 1160 PackageManager.VERIFICATION_REJECT, 1161 state.getInstallArgs().getUser()); 1162 } 1163 1164 processPendingInstall(args, ret); 1165 mHandler.sendEmptyMessage(MCS_UNBIND); 1166 } 1167 break; 1168 } 1169 case PACKAGE_VERIFIED: { 1170 final int verificationId = msg.arg1; 1171 1172 final PackageVerificationState state = mPendingVerification.get(verificationId); 1173 if (state == null) { 1174 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1175 break; 1176 } 1177 1178 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1179 1180 state.setVerifierResponse(response.callerUid, response.code); 1181 1182 if (state.isVerificationComplete()) { 1183 mPendingVerification.remove(verificationId); 1184 1185 final InstallArgs args = state.getInstallArgs(); 1186 1187 int ret; 1188 if (state.isInstallAllowed()) { 1189 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1190 broadcastPackageVerified(verificationId, args.packageURI, 1191 response.code, state.getInstallArgs().getUser()); 1192 try { 1193 ret = args.copyApk(mContainerService, true); 1194 } catch (RemoteException e) { 1195 Slog.e(TAG, "Could not contact the ContainerService"); 1196 } 1197 } else { 1198 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1199 } 1200 1201 processPendingInstall(args, ret); 1202 1203 mHandler.sendEmptyMessage(MCS_UNBIND); 1204 } 1205 1206 break; 1207 } 1208 } 1209 } 1210 } 1211 1212 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1213 Bundle extras = null; 1214 switch (res.returnCode) { 1215 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1216 extras = new Bundle(); 1217 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1218 res.origPermission); 1219 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1220 res.origPackage); 1221 break; 1222 } 1223 } 1224 return extras; 1225 } 1226 1227 void scheduleWriteSettingsLocked() { 1228 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1229 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1230 } 1231 } 1232 1233 void scheduleWritePackageRestrictionsLocked(int userId) { 1234 if (!sUserManager.exists(userId)) return; 1235 mDirtyUsers.add(userId); 1236 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1237 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1238 } 1239 } 1240 1241 public static final IPackageManager main(Context context, Installer installer, 1242 boolean factoryTest, boolean onlyCore) { 1243 PackageManagerService m = new PackageManagerService(context, installer, 1244 factoryTest, onlyCore); 1245 ServiceManager.addService("package", m); 1246 return m; 1247 } 1248 1249 static String[] splitString(String str, char sep) { 1250 int count = 1; 1251 int i = 0; 1252 while ((i=str.indexOf(sep, i)) >= 0) { 1253 count++; 1254 i++; 1255 } 1256 1257 String[] res = new String[count]; 1258 i=0; 1259 count = 0; 1260 int lastI=0; 1261 while ((i=str.indexOf(sep, i)) >= 0) { 1262 res[count] = str.substring(lastI, i); 1263 count++; 1264 i++; 1265 lastI = i; 1266 } 1267 res[count] = str.substring(lastI, str.length()); 1268 return res; 1269 } 1270 1271 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1272 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1273 Context.DISPLAY_SERVICE); 1274 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1275 } 1276 1277 public PackageManagerService(Context context, Installer installer, 1278 boolean factoryTest, boolean onlyCore) { 1279 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1280 SystemClock.uptimeMillis()); 1281 1282 if (mSdkVersion <= 0) { 1283 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1284 } 1285 1286 mContext = context; 1287 mFactoryTest = factoryTest; 1288 mOnlyCore = onlyCore; 1289 mMetrics = new DisplayMetrics(); 1290 mSettings = new Settings(context); 1291 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1292 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1293 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1294 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1295 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1296 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1297 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1298 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1299 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1300 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1301 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1302 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1303 1304 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1305 if (separateProcesses != null && separateProcesses.length() > 0) { 1306 if ("*".equals(separateProcesses)) { 1307 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1308 mSeparateProcesses = null; 1309 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1310 } else { 1311 mDefParseFlags = 0; 1312 mSeparateProcesses = separateProcesses.split(","); 1313 Slog.w(TAG, "Running with debug.separate_processes: " 1314 + separateProcesses); 1315 } 1316 } else { 1317 mDefParseFlags = 0; 1318 mSeparateProcesses = null; 1319 } 1320 1321 mInstaller = installer; 1322 1323 getDefaultDisplayMetrics(context, mMetrics); 1324 1325 synchronized (mInstallLock) { 1326 // writer 1327 synchronized (mPackages) { 1328 mHandlerThread = new ServiceThread(TAG, 1329 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1330 mHandlerThread.start(); 1331 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1332 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1333 1334 File dataDir = Environment.getDataDirectory(); 1335 mAppDataDir = new File(dataDir, "data"); 1336 mAppInstallDir = new File(dataDir, "app"); 1337 mAppLibInstallDir = new File(dataDir, "app-lib"); 1338 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1339 mUserAppDataDir = new File(dataDir, "user"); 1340 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1341 1342 sUserManager = new UserManagerService(context, this, 1343 mInstallLock, mPackages); 1344 1345 // Read permissions and features from system 1346 readPermissions(Environment.buildPath( 1347 Environment.getRootDirectory(), "etc", "permissions"), false); 1348 // Only read features from OEM 1349 readPermissions(Environment.buildPath( 1350 Environment.getOemDirectory(), "etc", "permissions"), true); 1351 1352 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1353 1354 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1355 mSdkVersion, mOnlyCore); 1356 1357 String customResolverActivity = Resources.getSystem().getString( 1358 R.string.config_customResolverActivity); 1359 if (TextUtils.isEmpty(customResolverActivity)) { 1360 customResolverActivity = null; 1361 } else { 1362 mCustomResolverComponentName = ComponentName.unflattenFromString( 1363 customResolverActivity); 1364 } 1365 1366 long startTime = SystemClock.uptimeMillis(); 1367 1368 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1369 startTime); 1370 1371 // Set flag to monitor and not change apk file paths when 1372 // scanning install directories. 1373 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1374 1375 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1376 1377 /** 1378 * Add everything in the in the boot class path to the 1379 * list of process files because dexopt will have been run 1380 * if necessary during zygote startup. 1381 */ 1382 String bootClassPath = System.getProperty("java.boot.class.path"); 1383 if (bootClassPath != null) { 1384 String[] paths = splitString(bootClassPath, ':'); 1385 for (int i=0; i<paths.length; i++) { 1386 alreadyDexOpted.add(paths[i]); 1387 } 1388 } else { 1389 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1390 } 1391 1392 boolean didDexOptLibraryOrTool = false; 1393 1394 final List<String> instructionSets = getAllInstructionSets(); 1395 1396 /** 1397 * Ensure all external libraries have had dexopt run on them. 1398 */ 1399 if (mSharedLibraries.size() > 0) { 1400 // NOTE: For now, we're compiling these system "shared libraries" 1401 // (and framework jars) into all available architectures. It's possible 1402 // to compile them only when we come across an app that uses them (there's 1403 // already logic for that in scanPackageLI) but that adds some complexity. 1404 for (String instructionSet : instructionSets) { 1405 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1406 final String lib = libEntry.path; 1407 if (lib == null) { 1408 continue; 1409 } 1410 1411 try { 1412 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1413 alreadyDexOpted.add(lib); 1414 1415 // The list of "shared libraries" we have at this point is 1416 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1417 didDexOptLibraryOrTool = true; 1418 } 1419 } catch (FileNotFoundException e) { 1420 Slog.w(TAG, "Library not found: " + lib); 1421 } catch (IOException e) { 1422 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1423 + e.getMessage()); 1424 } 1425 } 1426 } 1427 } 1428 1429 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1430 1431 // Gross hack for now: we know this file doesn't contain any 1432 // code, so don't dexopt it to avoid the resulting log spew. 1433 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1434 1435 // Gross hack for now: we know this file is only part of 1436 // the boot class path for art, so don't dexopt it to 1437 // avoid the resulting log spew. 1438 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1439 1440 /** 1441 * And there are a number of commands implemented in Java, which 1442 * we currently need to do the dexopt on so that they can be 1443 * run from a non-root shell. 1444 */ 1445 String[] frameworkFiles = frameworkDir.list(); 1446 if (frameworkFiles != null) { 1447 // TODO: We could compile these only for the most preferred ABI. We should 1448 // first double check that the dex files for these commands are not referenced 1449 // by other system apps. 1450 for (String instructionSet : instructionSets) { 1451 for (int i=0; i<frameworkFiles.length; i++) { 1452 File libPath = new File(frameworkDir, frameworkFiles[i]); 1453 String path = libPath.getPath(); 1454 // Skip the file if we already did it. 1455 if (alreadyDexOpted.contains(path)) { 1456 continue; 1457 } 1458 // Skip the file if it is not a type we want to dexopt. 1459 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1460 continue; 1461 } 1462 try { 1463 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1464 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1465 didDexOptLibraryOrTool = true; 1466 } 1467 } catch (FileNotFoundException e) { 1468 Slog.w(TAG, "Jar not found: " + path); 1469 } catch (IOException e) { 1470 Slog.w(TAG, "Exception reading jar: " + path, e); 1471 } 1472 } 1473 } 1474 } 1475 1476 if (didDexOptLibraryOrTool) { 1477 pruneDexFiles(new File(dataDir, "dalvik-cache")); 1478 } 1479 1480 // Collect vendor overlay packages. 1481 // (Do this before scanning any apps.) 1482 // For security and version matching reason, only consider 1483 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1484 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1485 mVendorOverlayInstallObserver = new AppDirObserver( 1486 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1487 mVendorOverlayInstallObserver.startWatching(); 1488 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1489 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1490 1491 // Find base frameworks (resource packages without code). 1492 mFrameworkInstallObserver = new AppDirObserver( 1493 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1494 mFrameworkInstallObserver.startWatching(); 1495 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1496 | PackageParser.PARSE_IS_SYSTEM_DIR 1497 | PackageParser.PARSE_IS_PRIVILEGED, 1498 scanMode | SCAN_NO_DEX, 0); 1499 1500 // Collected privileged system packages. 1501 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1502 mPrivilegedInstallObserver = new AppDirObserver( 1503 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1504 mPrivilegedInstallObserver.startWatching(); 1505 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1506 | PackageParser.PARSE_IS_SYSTEM_DIR 1507 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1508 1509 // Collect ordinary system packages. 1510 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1511 mSystemInstallObserver = new AppDirObserver( 1512 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1513 mSystemInstallObserver.startWatching(); 1514 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1515 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1516 1517 // Collect all vendor packages. 1518 File vendorAppDir = new File("/vendor/app"); 1519 try { 1520 vendorAppDir = vendorAppDir.getCanonicalFile(); 1521 } catch (IOException e) { 1522 // failed to look up canonical path, continue with original one 1523 } 1524 mVendorInstallObserver = new AppDirObserver( 1525 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1526 mVendorInstallObserver.startWatching(); 1527 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1528 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1529 1530 // Collect all OEM packages. 1531 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1532 mOemInstallObserver = new AppDirObserver( 1533 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1534 mOemInstallObserver.startWatching(); 1535 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1536 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1537 1538 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1539 mInstaller.moveFiles(); 1540 1541 // Prune any system packages that no longer exist. 1542 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1543 if (!mOnlyCore) { 1544 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1545 while (psit.hasNext()) { 1546 PackageSetting ps = psit.next(); 1547 1548 /* 1549 * If this is not a system app, it can't be a 1550 * disable system app. 1551 */ 1552 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1553 continue; 1554 } 1555 1556 /* 1557 * If the package is scanned, it's not erased. 1558 */ 1559 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1560 if (scannedPkg != null) { 1561 /* 1562 * If the system app is both scanned and in the 1563 * disabled packages list, then it must have been 1564 * added via OTA. Remove it from the currently 1565 * scanned package so the previously user-installed 1566 * application can be scanned. 1567 */ 1568 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1569 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1570 + "; removing system app"); 1571 removePackageLI(ps, true); 1572 } 1573 1574 continue; 1575 } 1576 1577 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1578 psit.remove(); 1579 String msg = "System package " + ps.name 1580 + " no longer exists; wiping its data"; 1581 reportSettingsProblem(Log.WARN, msg); 1582 removeDataDirsLI(ps.name); 1583 } else { 1584 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1585 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1586 possiblyDeletedUpdatedSystemApps.add(ps.name); 1587 } 1588 } 1589 } 1590 } 1591 1592 //look for any incomplete package installations 1593 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1594 //clean up list 1595 for(int i = 0; i < deletePkgsList.size(); i++) { 1596 //clean up here 1597 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1598 } 1599 //delete tmp files 1600 deleteTempPackageFiles(); 1601 1602 // Remove any shared userIDs that have no associated packages 1603 mSettings.pruneSharedUsersLPw(); 1604 1605 if (!mOnlyCore) { 1606 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1607 SystemClock.uptimeMillis()); 1608 mAppInstallObserver = new AppDirObserver( 1609 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1610 mAppInstallObserver.startWatching(); 1611 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1612 1613 mDrmAppInstallObserver = new AppDirObserver( 1614 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1615 mDrmAppInstallObserver.startWatching(); 1616 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1617 scanMode, 0); 1618 1619 /** 1620 * Remove disable package settings for any updated system 1621 * apps that were removed via an OTA. If they're not a 1622 * previously-updated app, remove them completely. 1623 * Otherwise, just revoke their system-level permissions. 1624 */ 1625 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1626 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1627 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1628 1629 String msg; 1630 if (deletedPkg == null) { 1631 msg = "Updated system package " + deletedAppName 1632 + " no longer exists; wiping its data"; 1633 removeDataDirsLI(deletedAppName); 1634 } else { 1635 msg = "Updated system app + " + deletedAppName 1636 + " no longer present; removing system privileges for " 1637 + deletedAppName; 1638 1639 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1640 1641 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1642 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1643 } 1644 reportSettingsProblem(Log.WARN, msg); 1645 } 1646 } else { 1647 mAppInstallObserver = null; 1648 mDrmAppInstallObserver = null; 1649 } 1650 1651 // Now that we know all of the shared libraries, update all clients to have 1652 // the correct library paths. 1653 updateAllSharedLibrariesLPw(); 1654 1655 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1656 adjustCpuAbisForSharedUserLPw(setting.packages, true /* do dexopt */, 1657 false /* force dexopt */, false /* defer dexopt */); 1658 } 1659 1660 // Now that we know all the packages we are keeping, 1661 // read and update their last usage times. 1662 mPackageUsage.readLP(); 1663 1664 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1665 SystemClock.uptimeMillis()); 1666 Slog.i(TAG, "Time to scan packages: " 1667 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1668 + " seconds"); 1669 1670 // If the platform SDK has changed since the last time we booted, 1671 // we need to re-grant app permission to catch any new ones that 1672 // appear. This is really a hack, and means that apps can in some 1673 // cases get permissions that the user didn't initially explicitly 1674 // allow... it would be nice to have some better way to handle 1675 // this situation. 1676 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1677 != mSdkVersion; 1678 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1679 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1680 + "; regranting permissions for internal storage"); 1681 mSettings.mInternalSdkPlatform = mSdkVersion; 1682 1683 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1684 | (regrantPermissions 1685 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1686 : 0)); 1687 1688 // If this is the first boot, and it is a normal boot, then 1689 // we need to initialize the default preferred apps. 1690 if (!mRestoredSettings && !onlyCore) { 1691 mSettings.readDefaultPreferredAppsLPw(this, 0); 1692 } 1693 1694 // All the changes are done during package scanning. 1695 mSettings.updateInternalDatabaseVersion(); 1696 1697 // can downgrade to reader 1698 mSettings.writeLPr(); 1699 1700 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1701 SystemClock.uptimeMillis()); 1702 1703 // Now after opening every single application zip, make sure they 1704 // are all flushed. Not really needed, but keeps things nice and 1705 // tidy. 1706 Runtime.getRuntime().gc(); 1707 1708 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1709 } // synchronized (mPackages) 1710 } // synchronized (mInstallLock) 1711 } 1712 1713 private static void pruneDexFiles(File cacheDir) { 1714 // If we had to do a dexopt of one of the previous 1715 // things, then something on the system has changed. 1716 // Consider this significant, and wipe away all other 1717 // existing dexopt files to ensure we don't leave any 1718 // dangling around. 1719 // 1720 // Additionally, delete all dex files from the root directory 1721 // since there shouldn't be any there anyway. 1722 // 1723 // Note: This isn't as good an indicator as it used to be. It 1724 // used to include the boot classpath but at some point 1725 // DexFile.isDexOptNeeded started returning false for the boot 1726 // class path files in all cases. It is very possible in a 1727 // small maintenance release update that the library and tool 1728 // jars may be unchanged but APK could be removed resulting in 1729 // unused dalvik-cache files. 1730 File[] files = cacheDir.listFiles(); 1731 if (files != null) { 1732 for (File file : files) { 1733 if (!file.isDirectory()) { 1734 Slog.i(TAG, "Pruning dalvik file: " + file.getAbsolutePath()); 1735 file.delete(); 1736 } else { 1737 File[] subDirList = file.listFiles(); 1738 if (subDirList != null) { 1739 for (File subDirFile : subDirList) { 1740 final String fn = subDirFile.getName(); 1741 if (fn.startsWith("data@app@") || fn.startsWith("data@app-private@")) { 1742 Slog.i(TAG, "Pruning dalvik file: " + fn); 1743 subDirFile.delete(); 1744 } 1745 } 1746 } 1747 } 1748 } 1749 } 1750 } 1751 1752 @Override 1753 public boolean isFirstBoot() { 1754 return !mRestoredSettings || mPackageUsage.isFirstBoot(); 1755 } 1756 1757 @Override 1758 public boolean isOnlyCoreApps() { 1759 return mOnlyCore; 1760 } 1761 1762 private String getRequiredVerifierLPr() { 1763 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1764 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1765 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1766 1767 String requiredVerifier = null; 1768 1769 final int N = receivers.size(); 1770 for (int i = 0; i < N; i++) { 1771 final ResolveInfo info = receivers.get(i); 1772 1773 if (info.activityInfo == null) { 1774 continue; 1775 } 1776 1777 final String packageName = info.activityInfo.packageName; 1778 1779 final PackageSetting ps = mSettings.mPackages.get(packageName); 1780 if (ps == null) { 1781 continue; 1782 } 1783 1784 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1785 if (!gp.grantedPermissions 1786 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1787 continue; 1788 } 1789 1790 if (requiredVerifier != null) { 1791 throw new RuntimeException("There can be only one required verifier"); 1792 } 1793 1794 requiredVerifier = packageName; 1795 } 1796 1797 return requiredVerifier; 1798 } 1799 1800 @Override 1801 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1802 throws RemoteException { 1803 try { 1804 return super.onTransact(code, data, reply, flags); 1805 } catch (RuntimeException e) { 1806 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1807 Slog.wtf(TAG, "Package Manager Crash", e); 1808 } 1809 throw e; 1810 } 1811 } 1812 1813 void cleanupInstallFailedPackage(PackageSetting ps) { 1814 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1815 removeDataDirsLI(ps.name); 1816 if (ps.codePath != null) { 1817 if (!ps.codePath.delete()) { 1818 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1819 } 1820 } 1821 if (ps.resourcePath != null) { 1822 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1823 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1824 } 1825 } 1826 mSettings.removePackageLPw(ps.name); 1827 } 1828 1829 void readPermissions(File libraryDir, boolean onlyFeatures) { 1830 // Read permissions from .../etc/permission directory. 1831 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1832 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1833 return; 1834 } 1835 if (!libraryDir.canRead()) { 1836 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1837 return; 1838 } 1839 1840 // Iterate over the files in the directory and scan .xml files 1841 for (File f : libraryDir.listFiles()) { 1842 // We'll read platform.xml last 1843 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1844 continue; 1845 } 1846 1847 if (!f.getPath().endsWith(".xml")) { 1848 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1849 continue; 1850 } 1851 if (!f.canRead()) { 1852 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1853 continue; 1854 } 1855 1856 readPermissionsFromXml(f, onlyFeatures); 1857 } 1858 1859 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1860 final File permFile = new File(Environment.getRootDirectory(), 1861 "etc/permissions/platform.xml"); 1862 readPermissionsFromXml(permFile, onlyFeatures); 1863 } 1864 1865 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1866 FileReader permReader = null; 1867 try { 1868 permReader = new FileReader(permFile); 1869 } catch (FileNotFoundException e) { 1870 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1871 return; 1872 } 1873 1874 try { 1875 XmlPullParser parser = Xml.newPullParser(); 1876 parser.setInput(permReader); 1877 1878 XmlUtils.beginDocument(parser, "permissions"); 1879 1880 while (true) { 1881 XmlUtils.nextElement(parser); 1882 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1883 break; 1884 } 1885 1886 String name = parser.getName(); 1887 if ("group".equals(name) && !onlyFeatures) { 1888 String gidStr = parser.getAttributeValue(null, "gid"); 1889 if (gidStr != null) { 1890 int gid = Process.getGidForName(gidStr); 1891 mGlobalGids = appendInt(mGlobalGids, gid); 1892 } else { 1893 Slog.w(TAG, "<group> without gid at " 1894 + parser.getPositionDescription()); 1895 } 1896 1897 XmlUtils.skipCurrentTag(parser); 1898 continue; 1899 } else if ("permission".equals(name) && !onlyFeatures) { 1900 String perm = parser.getAttributeValue(null, "name"); 1901 if (perm == null) { 1902 Slog.w(TAG, "<permission> without name at " 1903 + parser.getPositionDescription()); 1904 XmlUtils.skipCurrentTag(parser); 1905 continue; 1906 } 1907 perm = perm.intern(); 1908 readPermission(parser, perm); 1909 1910 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1911 String perm = parser.getAttributeValue(null, "name"); 1912 if (perm == null) { 1913 Slog.w(TAG, "<assign-permission> without name at " 1914 + parser.getPositionDescription()); 1915 XmlUtils.skipCurrentTag(parser); 1916 continue; 1917 } 1918 String uidStr = parser.getAttributeValue(null, "uid"); 1919 if (uidStr == null) { 1920 Slog.w(TAG, "<assign-permission> without uid at " 1921 + parser.getPositionDescription()); 1922 XmlUtils.skipCurrentTag(parser); 1923 continue; 1924 } 1925 int uid = Process.getUidForName(uidStr); 1926 if (uid < 0) { 1927 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1928 + uidStr + "\" at " 1929 + parser.getPositionDescription()); 1930 XmlUtils.skipCurrentTag(parser); 1931 continue; 1932 } 1933 perm = perm.intern(); 1934 HashSet<String> perms = mSystemPermissions.get(uid); 1935 if (perms == null) { 1936 perms = new HashSet<String>(); 1937 mSystemPermissions.put(uid, perms); 1938 } 1939 perms.add(perm); 1940 XmlUtils.skipCurrentTag(parser); 1941 1942 } else if ("library".equals(name) && !onlyFeatures) { 1943 String lname = parser.getAttributeValue(null, "name"); 1944 String lfile = parser.getAttributeValue(null, "file"); 1945 if (lname == null) { 1946 Slog.w(TAG, "<library> without name at " 1947 + parser.getPositionDescription()); 1948 } else if (lfile == null) { 1949 Slog.w(TAG, "<library> without file at " 1950 + parser.getPositionDescription()); 1951 } else { 1952 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1953 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1954 } 1955 XmlUtils.skipCurrentTag(parser); 1956 continue; 1957 1958 } else if ("feature".equals(name)) { 1959 String fname = parser.getAttributeValue(null, "name"); 1960 if (fname == null) { 1961 Slog.w(TAG, "<feature> without name at " 1962 + parser.getPositionDescription()); 1963 } else { 1964 //Log.i(TAG, "Got feature " + fname); 1965 FeatureInfo fi = new FeatureInfo(); 1966 fi.name = fname; 1967 mAvailableFeatures.put(fname, fi); 1968 } 1969 XmlUtils.skipCurrentTag(parser); 1970 continue; 1971 1972 } else { 1973 XmlUtils.skipCurrentTag(parser); 1974 continue; 1975 } 1976 1977 } 1978 permReader.close(); 1979 } catch (XmlPullParserException e) { 1980 Slog.w(TAG, "Got execption parsing permissions.", e); 1981 } catch (IOException e) { 1982 Slog.w(TAG, "Got execption parsing permissions.", e); 1983 } 1984 } 1985 1986 void readPermission(XmlPullParser parser, String name) 1987 throws IOException, XmlPullParserException { 1988 1989 name = name.intern(); 1990 1991 BasePermission bp = mSettings.mPermissions.get(name); 1992 if (bp == null) { 1993 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1994 mSettings.mPermissions.put(name, bp); 1995 } 1996 int outerDepth = parser.getDepth(); 1997 int type; 1998 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1999 && (type != XmlPullParser.END_TAG 2000 || parser.getDepth() > outerDepth)) { 2001 if (type == XmlPullParser.END_TAG 2002 || type == XmlPullParser.TEXT) { 2003 continue; 2004 } 2005 2006 String tagName = parser.getName(); 2007 if ("group".equals(tagName)) { 2008 String gidStr = parser.getAttributeValue(null, "gid"); 2009 if (gidStr != null) { 2010 int gid = Process.getGidForName(gidStr); 2011 bp.gids = appendInt(bp.gids, gid); 2012 } else { 2013 Slog.w(TAG, "<group> without gid at " 2014 + parser.getPositionDescription()); 2015 } 2016 } 2017 XmlUtils.skipCurrentTag(parser); 2018 } 2019 } 2020 2021 static int[] appendInts(int[] cur, int[] add) { 2022 if (add == null) return cur; 2023 if (cur == null) return add; 2024 final int N = add.length; 2025 for (int i=0; i<N; i++) { 2026 cur = appendInt(cur, add[i]); 2027 } 2028 return cur; 2029 } 2030 2031 static int[] removeInts(int[] cur, int[] rem) { 2032 if (rem == null) return cur; 2033 if (cur == null) return cur; 2034 final int N = rem.length; 2035 for (int i=0; i<N; i++) { 2036 cur = removeInt(cur, rem[i]); 2037 } 2038 return cur; 2039 } 2040 2041 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2042 if (!sUserManager.exists(userId)) return null; 2043 final PackageSetting ps = (PackageSetting) p.mExtras; 2044 if (ps == null) { 2045 return null; 2046 } 2047 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2048 final PackageUserState state = ps.readUserState(userId); 2049 return PackageParser.generatePackageInfo(p, gp.gids, flags, 2050 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 2051 state, userId); 2052 } 2053 2054 @Override 2055 public boolean isPackageAvailable(String packageName, int userId) { 2056 if (!sUserManager.exists(userId)) return false; 2057 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 2058 synchronized (mPackages) { 2059 PackageParser.Package p = mPackages.get(packageName); 2060 if (p != null) { 2061 final PackageSetting ps = (PackageSetting) p.mExtras; 2062 if (ps != null) { 2063 final PackageUserState state = ps.readUserState(userId); 2064 if (state != null) { 2065 return PackageParser.isAvailable(state); 2066 } 2067 } 2068 } 2069 } 2070 return false; 2071 } 2072 2073 @Override 2074 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2075 if (!sUserManager.exists(userId)) return null; 2076 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 2077 // reader 2078 synchronized (mPackages) { 2079 PackageParser.Package p = mPackages.get(packageName); 2080 if (DEBUG_PACKAGE_INFO) 2081 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2082 if (p != null) { 2083 return generatePackageInfo(p, flags, userId); 2084 } 2085 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2086 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2087 } 2088 } 2089 return null; 2090 } 2091 2092 @Override 2093 public String[] currentToCanonicalPackageNames(String[] names) { 2094 String[] out = new String[names.length]; 2095 // reader 2096 synchronized (mPackages) { 2097 for (int i=names.length-1; i>=0; i--) { 2098 PackageSetting ps = mSettings.mPackages.get(names[i]); 2099 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2100 } 2101 } 2102 return out; 2103 } 2104 2105 @Override 2106 public String[] canonicalToCurrentPackageNames(String[] names) { 2107 String[] out = new String[names.length]; 2108 // reader 2109 synchronized (mPackages) { 2110 for (int i=names.length-1; i>=0; i--) { 2111 String cur = mSettings.mRenamedPackages.get(names[i]); 2112 out[i] = cur != null ? cur : names[i]; 2113 } 2114 } 2115 return out; 2116 } 2117 2118 @Override 2119 public int getPackageUid(String packageName, int userId) { 2120 if (!sUserManager.exists(userId)) return -1; 2121 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2122 // reader 2123 synchronized (mPackages) { 2124 PackageParser.Package p = mPackages.get(packageName); 2125 if(p != null) { 2126 return UserHandle.getUid(userId, p.applicationInfo.uid); 2127 } 2128 PackageSetting ps = mSettings.mPackages.get(packageName); 2129 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2130 return -1; 2131 } 2132 p = ps.pkg; 2133 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2134 } 2135 } 2136 2137 @Override 2138 public int[] getPackageGids(String packageName) { 2139 // reader 2140 synchronized (mPackages) { 2141 PackageParser.Package p = mPackages.get(packageName); 2142 if (DEBUG_PACKAGE_INFO) 2143 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2144 if (p != null) { 2145 final PackageSetting ps = (PackageSetting)p.mExtras; 2146 return ps.getGids(); 2147 } 2148 } 2149 // stupid thing to indicate an error. 2150 return new int[0]; 2151 } 2152 2153 static final PermissionInfo generatePermissionInfo( 2154 BasePermission bp, int flags) { 2155 if (bp.perm != null) { 2156 return PackageParser.generatePermissionInfo(bp.perm, flags); 2157 } 2158 PermissionInfo pi = new PermissionInfo(); 2159 pi.name = bp.name; 2160 pi.packageName = bp.sourcePackage; 2161 pi.nonLocalizedLabel = bp.name; 2162 pi.protectionLevel = bp.protectionLevel; 2163 return pi; 2164 } 2165 2166 @Override 2167 public PermissionInfo getPermissionInfo(String name, int flags) { 2168 // reader 2169 synchronized (mPackages) { 2170 final BasePermission p = mSettings.mPermissions.get(name); 2171 if (p != null) { 2172 return generatePermissionInfo(p, flags); 2173 } 2174 return null; 2175 } 2176 } 2177 2178 @Override 2179 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2180 // reader 2181 synchronized (mPackages) { 2182 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2183 for (BasePermission p : mSettings.mPermissions.values()) { 2184 if (group == null) { 2185 if (p.perm == null || p.perm.info.group == null) { 2186 out.add(generatePermissionInfo(p, flags)); 2187 } 2188 } else { 2189 if (p.perm != null && group.equals(p.perm.info.group)) { 2190 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2191 } 2192 } 2193 } 2194 2195 if (out.size() > 0) { 2196 return out; 2197 } 2198 return mPermissionGroups.containsKey(group) ? out : null; 2199 } 2200 } 2201 2202 @Override 2203 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2204 // reader 2205 synchronized (mPackages) { 2206 return PackageParser.generatePermissionGroupInfo( 2207 mPermissionGroups.get(name), flags); 2208 } 2209 } 2210 2211 @Override 2212 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2213 // reader 2214 synchronized (mPackages) { 2215 final int N = mPermissionGroups.size(); 2216 ArrayList<PermissionGroupInfo> out 2217 = new ArrayList<PermissionGroupInfo>(N); 2218 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2219 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2220 } 2221 return out; 2222 } 2223 } 2224 2225 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2226 int userId) { 2227 if (!sUserManager.exists(userId)) return null; 2228 PackageSetting ps = mSettings.mPackages.get(packageName); 2229 if (ps != null) { 2230 if (ps.pkg == null) { 2231 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2232 flags, userId); 2233 if (pInfo != null) { 2234 return pInfo.applicationInfo; 2235 } 2236 return null; 2237 } 2238 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2239 ps.readUserState(userId), userId); 2240 } 2241 return null; 2242 } 2243 2244 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2245 int userId) { 2246 if (!sUserManager.exists(userId)) return null; 2247 PackageSetting ps = mSettings.mPackages.get(packageName); 2248 if (ps != null) { 2249 PackageParser.Package pkg = ps.pkg; 2250 if (pkg == null) { 2251 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2252 return null; 2253 } 2254 pkg = new PackageParser.Package(packageName); 2255 pkg.applicationInfo.packageName = packageName; 2256 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2257 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2258 pkg.applicationInfo.sourceDir = ps.codePathString; 2259 pkg.applicationInfo.dataDir = 2260 getDataPathForPackage(packageName, 0).getPath(); 2261 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2262 pkg.applicationInfo.cpuAbi = ps.cpuAbiString; 2263 } 2264 return generatePackageInfo(pkg, flags, userId); 2265 } 2266 return null; 2267 } 2268 2269 @Override 2270 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2271 if (!sUserManager.exists(userId)) return null; 2272 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2273 // writer 2274 synchronized (mPackages) { 2275 PackageParser.Package p = mPackages.get(packageName); 2276 if (DEBUG_PACKAGE_INFO) Log.v( 2277 TAG, "getApplicationInfo " + packageName 2278 + ": " + p); 2279 if (p != null) { 2280 PackageSetting ps = mSettings.mPackages.get(packageName); 2281 if (ps == null) return null; 2282 // Note: isEnabledLP() does not apply here - always return info 2283 return PackageParser.generateApplicationInfo( 2284 p, flags, ps.readUserState(userId), userId); 2285 } 2286 if ("android".equals(packageName)||"system".equals(packageName)) { 2287 return mAndroidApplication; 2288 } 2289 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2290 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2291 } 2292 } 2293 return null; 2294 } 2295 2296 2297 @Override 2298 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2299 mContext.enforceCallingOrSelfPermission( 2300 android.Manifest.permission.CLEAR_APP_CACHE, null); 2301 // Queue up an async operation since clearing cache may take a little while. 2302 mHandler.post(new Runnable() { 2303 public void run() { 2304 mHandler.removeCallbacks(this); 2305 int retCode = -1; 2306 synchronized (mInstallLock) { 2307 retCode = mInstaller.freeCache(freeStorageSize); 2308 if (retCode < 0) { 2309 Slog.w(TAG, "Couldn't clear application caches"); 2310 } 2311 } 2312 if (observer != null) { 2313 try { 2314 observer.onRemoveCompleted(null, (retCode >= 0)); 2315 } catch (RemoteException e) { 2316 Slog.w(TAG, "RemoveException when invoking call back"); 2317 } 2318 } 2319 } 2320 }); 2321 } 2322 2323 @Override 2324 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2325 mContext.enforceCallingOrSelfPermission( 2326 android.Manifest.permission.CLEAR_APP_CACHE, null); 2327 // Queue up an async operation since clearing cache may take a little while. 2328 mHandler.post(new Runnable() { 2329 public void run() { 2330 mHandler.removeCallbacks(this); 2331 int retCode = -1; 2332 synchronized (mInstallLock) { 2333 retCode = mInstaller.freeCache(freeStorageSize); 2334 if (retCode < 0) { 2335 Slog.w(TAG, "Couldn't clear application caches"); 2336 } 2337 } 2338 if(pi != null) { 2339 try { 2340 // Callback via pending intent 2341 int code = (retCode >= 0) ? 1 : 0; 2342 pi.sendIntent(null, code, null, 2343 null, null); 2344 } catch (SendIntentException e1) { 2345 Slog.i(TAG, "Failed to send pending intent"); 2346 } 2347 } 2348 } 2349 }); 2350 } 2351 2352 @Override 2353 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2354 if (!sUserManager.exists(userId)) return null; 2355 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2356 synchronized (mPackages) { 2357 PackageParser.Activity a = mActivities.mActivities.get(component); 2358 2359 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2360 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2361 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2362 if (ps == null) return null; 2363 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2364 userId); 2365 } 2366 if (mResolveComponentName.equals(component)) { 2367 return mResolveActivity; 2368 } 2369 } 2370 return null; 2371 } 2372 2373 @Override 2374 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2375 String resolvedType) { 2376 synchronized (mPackages) { 2377 PackageParser.Activity a = mActivities.mActivities.get(component); 2378 if (a == null) { 2379 return false; 2380 } 2381 for (int i=0; i<a.intents.size(); i++) { 2382 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2383 intent.getData(), intent.getCategories(), TAG) >= 0) { 2384 return true; 2385 } 2386 } 2387 return false; 2388 } 2389 } 2390 2391 @Override 2392 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2393 if (!sUserManager.exists(userId)) return null; 2394 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2395 synchronized (mPackages) { 2396 PackageParser.Activity a = mReceivers.mActivities.get(component); 2397 if (DEBUG_PACKAGE_INFO) Log.v( 2398 TAG, "getReceiverInfo " + component + ": " + a); 2399 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2400 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2401 if (ps == null) return null; 2402 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2403 userId); 2404 } 2405 } 2406 return null; 2407 } 2408 2409 @Override 2410 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2411 if (!sUserManager.exists(userId)) return null; 2412 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2413 synchronized (mPackages) { 2414 PackageParser.Service s = mServices.mServices.get(component); 2415 if (DEBUG_PACKAGE_INFO) Log.v( 2416 TAG, "getServiceInfo " + component + ": " + s); 2417 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2418 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2419 if (ps == null) return null; 2420 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2421 userId); 2422 } 2423 } 2424 return null; 2425 } 2426 2427 @Override 2428 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2429 if (!sUserManager.exists(userId)) return null; 2430 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2431 synchronized (mPackages) { 2432 PackageParser.Provider p = mProviders.mProviders.get(component); 2433 if (DEBUG_PACKAGE_INFO) Log.v( 2434 TAG, "getProviderInfo " + component + ": " + p); 2435 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2436 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2437 if (ps == null) return null; 2438 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2439 userId); 2440 } 2441 } 2442 return null; 2443 } 2444 2445 @Override 2446 public String[] getSystemSharedLibraryNames() { 2447 Set<String> libSet; 2448 synchronized (mPackages) { 2449 libSet = mSharedLibraries.keySet(); 2450 int size = libSet.size(); 2451 if (size > 0) { 2452 String[] libs = new String[size]; 2453 libSet.toArray(libs); 2454 return libs; 2455 } 2456 } 2457 return null; 2458 } 2459 2460 @Override 2461 public FeatureInfo[] getSystemAvailableFeatures() { 2462 Collection<FeatureInfo> featSet; 2463 synchronized (mPackages) { 2464 featSet = mAvailableFeatures.values(); 2465 int size = featSet.size(); 2466 if (size > 0) { 2467 FeatureInfo[] features = new FeatureInfo[size+1]; 2468 featSet.toArray(features); 2469 FeatureInfo fi = new FeatureInfo(); 2470 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2471 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2472 features[size] = fi; 2473 return features; 2474 } 2475 } 2476 return null; 2477 } 2478 2479 @Override 2480 public boolean hasSystemFeature(String name) { 2481 synchronized (mPackages) { 2482 return mAvailableFeatures.containsKey(name); 2483 } 2484 } 2485 2486 private void checkValidCaller(int uid, int userId) { 2487 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2488 return; 2489 2490 throw new SecurityException("Caller uid=" + uid 2491 + " is not privileged to communicate with user=" + userId); 2492 } 2493 2494 @Override 2495 public int checkPermission(String permName, String pkgName) { 2496 synchronized (mPackages) { 2497 PackageParser.Package p = mPackages.get(pkgName); 2498 if (p != null && p.mExtras != null) { 2499 PackageSetting ps = (PackageSetting)p.mExtras; 2500 if (ps.sharedUser != null) { 2501 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2502 return PackageManager.PERMISSION_GRANTED; 2503 } 2504 } else if (ps.grantedPermissions.contains(permName)) { 2505 return PackageManager.PERMISSION_GRANTED; 2506 } 2507 } 2508 } 2509 return PackageManager.PERMISSION_DENIED; 2510 } 2511 2512 @Override 2513 public int checkUidPermission(String permName, int uid) { 2514 synchronized (mPackages) { 2515 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2516 if (obj != null) { 2517 GrantedPermissions gp = (GrantedPermissions)obj; 2518 if (gp.grantedPermissions.contains(permName)) { 2519 return PackageManager.PERMISSION_GRANTED; 2520 } 2521 } else { 2522 HashSet<String> perms = mSystemPermissions.get(uid); 2523 if (perms != null && perms.contains(permName)) { 2524 return PackageManager.PERMISSION_GRANTED; 2525 } 2526 } 2527 } 2528 return PackageManager.PERMISSION_DENIED; 2529 } 2530 2531 /** 2532 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2533 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2534 * @param message the message to log on security exception 2535 * @return 2536 */ 2537 private void enforceCrossUserPermission(int callingUid, int userId, 2538 boolean requireFullPermission, String message) { 2539 if (userId < 0) { 2540 throw new IllegalArgumentException("Invalid userId " + userId); 2541 } 2542 if (userId == UserHandle.getUserId(callingUid)) return; 2543 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2544 if (requireFullPermission) { 2545 mContext.enforceCallingOrSelfPermission( 2546 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2547 } else { 2548 try { 2549 mContext.enforceCallingOrSelfPermission( 2550 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2551 } catch (SecurityException se) { 2552 mContext.enforceCallingOrSelfPermission( 2553 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2554 } 2555 } 2556 } 2557 } 2558 2559 private BasePermission findPermissionTreeLP(String permName) { 2560 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2561 if (permName.startsWith(bp.name) && 2562 permName.length() > bp.name.length() && 2563 permName.charAt(bp.name.length()) == '.') { 2564 return bp; 2565 } 2566 } 2567 return null; 2568 } 2569 2570 private BasePermission checkPermissionTreeLP(String permName) { 2571 if (permName != null) { 2572 BasePermission bp = findPermissionTreeLP(permName); 2573 if (bp != null) { 2574 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2575 return bp; 2576 } 2577 throw new SecurityException("Calling uid " 2578 + Binder.getCallingUid() 2579 + " is not allowed to add to permission tree " 2580 + bp.name + " owned by uid " + bp.uid); 2581 } 2582 } 2583 throw new SecurityException("No permission tree found for " + permName); 2584 } 2585 2586 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2587 if (s1 == null) { 2588 return s2 == null; 2589 } 2590 if (s2 == null) { 2591 return false; 2592 } 2593 if (s1.getClass() != s2.getClass()) { 2594 return false; 2595 } 2596 return s1.equals(s2); 2597 } 2598 2599 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2600 if (pi1.icon != pi2.icon) return false; 2601 if (pi1.logo != pi2.logo) return false; 2602 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2603 if (!compareStrings(pi1.name, pi2.name)) return false; 2604 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2605 // We'll take care of setting this one. 2606 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2607 // These are not currently stored in settings. 2608 //if (!compareStrings(pi1.group, pi2.group)) return false; 2609 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2610 //if (pi1.labelRes != pi2.labelRes) return false; 2611 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2612 return true; 2613 } 2614 2615 int permissionInfoFootprint(PermissionInfo info) { 2616 int size = info.name.length(); 2617 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2618 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2619 return size; 2620 } 2621 2622 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2623 int size = 0; 2624 for (BasePermission perm : mSettings.mPermissions.values()) { 2625 if (perm.uid == tree.uid) { 2626 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2627 } 2628 } 2629 return size; 2630 } 2631 2632 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2633 // We calculate the max size of permissions defined by this uid and throw 2634 // if that plus the size of 'info' would exceed our stated maximum. 2635 if (tree.uid != Process.SYSTEM_UID) { 2636 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2637 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2638 throw new SecurityException("Permission tree size cap exceeded"); 2639 } 2640 } 2641 } 2642 2643 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2644 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2645 throw new SecurityException("Label must be specified in permission"); 2646 } 2647 BasePermission tree = checkPermissionTreeLP(info.name); 2648 BasePermission bp = mSettings.mPermissions.get(info.name); 2649 boolean added = bp == null; 2650 boolean changed = true; 2651 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2652 if (added) { 2653 enforcePermissionCapLocked(info, tree); 2654 bp = new BasePermission(info.name, tree.sourcePackage, 2655 BasePermission.TYPE_DYNAMIC); 2656 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2657 throw new SecurityException( 2658 "Not allowed to modify non-dynamic permission " 2659 + info.name); 2660 } else { 2661 if (bp.protectionLevel == fixedLevel 2662 && bp.perm.owner.equals(tree.perm.owner) 2663 && bp.uid == tree.uid 2664 && comparePermissionInfos(bp.perm.info, info)) { 2665 changed = false; 2666 } 2667 } 2668 bp.protectionLevel = fixedLevel; 2669 info = new PermissionInfo(info); 2670 info.protectionLevel = fixedLevel; 2671 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2672 bp.perm.info.packageName = tree.perm.info.packageName; 2673 bp.uid = tree.uid; 2674 if (added) { 2675 mSettings.mPermissions.put(info.name, bp); 2676 } 2677 if (changed) { 2678 if (!async) { 2679 mSettings.writeLPr(); 2680 } else { 2681 scheduleWriteSettingsLocked(); 2682 } 2683 } 2684 return added; 2685 } 2686 2687 @Override 2688 public boolean addPermission(PermissionInfo info) { 2689 synchronized (mPackages) { 2690 return addPermissionLocked(info, false); 2691 } 2692 } 2693 2694 @Override 2695 public boolean addPermissionAsync(PermissionInfo info) { 2696 synchronized (mPackages) { 2697 return addPermissionLocked(info, true); 2698 } 2699 } 2700 2701 @Override 2702 public void removePermission(String name) { 2703 synchronized (mPackages) { 2704 checkPermissionTreeLP(name); 2705 BasePermission bp = mSettings.mPermissions.get(name); 2706 if (bp != null) { 2707 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2708 throw new SecurityException( 2709 "Not allowed to modify non-dynamic permission " 2710 + name); 2711 } 2712 mSettings.mPermissions.remove(name); 2713 mSettings.writeLPr(); 2714 } 2715 } 2716 } 2717 2718 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2719 int index = pkg.requestedPermissions.indexOf(bp.name); 2720 if (index == -1) { 2721 throw new SecurityException("Package " + pkg.packageName 2722 + " has not requested permission " + bp.name); 2723 } 2724 boolean isNormal = 2725 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2726 == PermissionInfo.PROTECTION_NORMAL); 2727 boolean isDangerous = 2728 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2729 == PermissionInfo.PROTECTION_DANGEROUS); 2730 boolean isDevelopment = 2731 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2732 2733 if (!isNormal && !isDangerous && !isDevelopment) { 2734 throw new SecurityException("Permission " + bp.name 2735 + " is not a changeable permission type"); 2736 } 2737 2738 if (isNormal || isDangerous) { 2739 if (pkg.requestedPermissionsRequired.get(index)) { 2740 throw new SecurityException("Can't change " + bp.name 2741 + ". It is required by the application"); 2742 } 2743 } 2744 } 2745 2746 @Override 2747 public void grantPermission(String packageName, String permissionName) { 2748 mContext.enforceCallingOrSelfPermission( 2749 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2750 synchronized (mPackages) { 2751 final PackageParser.Package pkg = mPackages.get(packageName); 2752 if (pkg == null) { 2753 throw new IllegalArgumentException("Unknown package: " + packageName); 2754 } 2755 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2756 if (bp == null) { 2757 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2758 } 2759 2760 checkGrantRevokePermissions(pkg, bp); 2761 2762 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2763 if (ps == null) { 2764 return; 2765 } 2766 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2767 if (gp.grantedPermissions.add(permissionName)) { 2768 if (ps.haveGids) { 2769 gp.gids = appendInts(gp.gids, bp.gids); 2770 } 2771 mSettings.writeLPr(); 2772 } 2773 } 2774 } 2775 2776 @Override 2777 public void revokePermission(String packageName, String permissionName) { 2778 int changedAppId = -1; 2779 2780 synchronized (mPackages) { 2781 final PackageParser.Package pkg = mPackages.get(packageName); 2782 if (pkg == null) { 2783 throw new IllegalArgumentException("Unknown package: " + packageName); 2784 } 2785 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2786 mContext.enforceCallingOrSelfPermission( 2787 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2788 } 2789 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2790 if (bp == null) { 2791 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2792 } 2793 2794 checkGrantRevokePermissions(pkg, bp); 2795 2796 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2797 if (ps == null) { 2798 return; 2799 } 2800 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2801 if (gp.grantedPermissions.remove(permissionName)) { 2802 gp.grantedPermissions.remove(permissionName); 2803 if (ps.haveGids) { 2804 gp.gids = removeInts(gp.gids, bp.gids); 2805 } 2806 mSettings.writeLPr(); 2807 changedAppId = ps.appId; 2808 } 2809 } 2810 2811 if (changedAppId >= 0) { 2812 // We changed the perm on someone, kill its processes. 2813 IActivityManager am = ActivityManagerNative.getDefault(); 2814 if (am != null) { 2815 final int callingUserId = UserHandle.getCallingUserId(); 2816 final long ident = Binder.clearCallingIdentity(); 2817 try { 2818 //XXX we should only revoke for the calling user's app permissions, 2819 // but for now we impact all users. 2820 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2821 // "revoke " + permissionName); 2822 int[] users = sUserManager.getUserIds(); 2823 for (int user : users) { 2824 am.killUid(UserHandle.getUid(user, changedAppId), 2825 "revoke " + permissionName); 2826 } 2827 } catch (RemoteException e) { 2828 } finally { 2829 Binder.restoreCallingIdentity(ident); 2830 } 2831 } 2832 } 2833 } 2834 2835 @Override 2836 public boolean isProtectedBroadcast(String actionName) { 2837 synchronized (mPackages) { 2838 return mProtectedBroadcasts.contains(actionName); 2839 } 2840 } 2841 2842 @Override 2843 public int checkSignatures(String pkg1, String pkg2) { 2844 synchronized (mPackages) { 2845 final PackageParser.Package p1 = mPackages.get(pkg1); 2846 final PackageParser.Package p2 = mPackages.get(pkg2); 2847 if (p1 == null || p1.mExtras == null 2848 || p2 == null || p2.mExtras == null) { 2849 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2850 } 2851 return compareSignatures(p1.mSignatures, p2.mSignatures); 2852 } 2853 } 2854 2855 @Override 2856 public int checkUidSignatures(int uid1, int uid2) { 2857 // Map to base uids. 2858 uid1 = UserHandle.getAppId(uid1); 2859 uid2 = UserHandle.getAppId(uid2); 2860 // reader 2861 synchronized (mPackages) { 2862 Signature[] s1; 2863 Signature[] s2; 2864 Object obj = mSettings.getUserIdLPr(uid1); 2865 if (obj != null) { 2866 if (obj instanceof SharedUserSetting) { 2867 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2868 } else if (obj instanceof PackageSetting) { 2869 s1 = ((PackageSetting)obj).signatures.mSignatures; 2870 } else { 2871 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2872 } 2873 } else { 2874 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2875 } 2876 obj = mSettings.getUserIdLPr(uid2); 2877 if (obj != null) { 2878 if (obj instanceof SharedUserSetting) { 2879 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2880 } else if (obj instanceof PackageSetting) { 2881 s2 = ((PackageSetting)obj).signatures.mSignatures; 2882 } else { 2883 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2884 } 2885 } else { 2886 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2887 } 2888 return compareSignatures(s1, s2); 2889 } 2890 } 2891 2892 /** 2893 * Compares two sets of signatures. Returns: 2894 * <br /> 2895 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2896 * <br /> 2897 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2898 * <br /> 2899 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2900 * <br /> 2901 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2902 * <br /> 2903 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2904 */ 2905 static int compareSignatures(Signature[] s1, Signature[] s2) { 2906 if (s1 == null) { 2907 return s2 == null 2908 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2909 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2910 } 2911 2912 if (s2 == null) { 2913 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2914 } 2915 2916 if (s1.length != s2.length) { 2917 return PackageManager.SIGNATURE_NO_MATCH; 2918 } 2919 2920 // Since both signature sets are of size 1, we can compare without HashSets. 2921 if (s1.length == 1) { 2922 return s1[0].equals(s2[0]) ? 2923 PackageManager.SIGNATURE_MATCH : 2924 PackageManager.SIGNATURE_NO_MATCH; 2925 } 2926 2927 HashSet<Signature> set1 = new HashSet<Signature>(); 2928 for (Signature sig : s1) { 2929 set1.add(sig); 2930 } 2931 HashSet<Signature> set2 = new HashSet<Signature>(); 2932 for (Signature sig : s2) { 2933 set2.add(sig); 2934 } 2935 // Make sure s2 contains all signatures in s1. 2936 if (set1.equals(set2)) { 2937 return PackageManager.SIGNATURE_MATCH; 2938 } 2939 return PackageManager.SIGNATURE_NO_MATCH; 2940 } 2941 2942 /** 2943 * If the database version for this type of package (internal storage or 2944 * external storage) is less than the version where package signatures 2945 * were updated, return true. 2946 */ 2947 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2948 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2949 DatabaseVersion.SIGNATURE_END_ENTITY)) 2950 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2951 DatabaseVersion.SIGNATURE_END_ENTITY)); 2952 } 2953 2954 /** 2955 * Used for backward compatibility to make sure any packages with 2956 * certificate chains get upgraded to the new style. {@code existingSigs} 2957 * will be in the old format (since they were stored on disk from before the 2958 * system upgrade) and {@code scannedSigs} will be in the newer format. 2959 */ 2960 private int compareSignaturesCompat(PackageSignatures existingSigs, 2961 PackageParser.Package scannedPkg) { 2962 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2963 return PackageManager.SIGNATURE_NO_MATCH; 2964 } 2965 2966 HashSet<Signature> existingSet = new HashSet<Signature>(); 2967 for (Signature sig : existingSigs.mSignatures) { 2968 existingSet.add(sig); 2969 } 2970 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2971 for (Signature sig : scannedPkg.mSignatures) { 2972 try { 2973 Signature[] chainSignatures = sig.getChainSignatures(); 2974 for (Signature chainSig : chainSignatures) { 2975 scannedCompatSet.add(chainSig); 2976 } 2977 } catch (CertificateEncodingException e) { 2978 scannedCompatSet.add(sig); 2979 } 2980 } 2981 /* 2982 * Make sure the expanded scanned set contains all signatures in the 2983 * existing one. 2984 */ 2985 if (scannedCompatSet.equals(existingSet)) { 2986 // Migrate the old signatures to the new scheme. 2987 existingSigs.assignSignatures(scannedPkg.mSignatures); 2988 // The new KeySets will be re-added later in the scanning process. 2989 mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName); 2990 return PackageManager.SIGNATURE_MATCH; 2991 } 2992 return PackageManager.SIGNATURE_NO_MATCH; 2993 } 2994 2995 @Override 2996 public String[] getPackagesForUid(int uid) { 2997 uid = UserHandle.getAppId(uid); 2998 // reader 2999 synchronized (mPackages) { 3000 Object obj = mSettings.getUserIdLPr(uid); 3001 if (obj instanceof SharedUserSetting) { 3002 final SharedUserSetting sus = (SharedUserSetting) obj; 3003 final int N = sus.packages.size(); 3004 final String[] res = new String[N]; 3005 final Iterator<PackageSetting> it = sus.packages.iterator(); 3006 int i = 0; 3007 while (it.hasNext()) { 3008 res[i++] = it.next().name; 3009 } 3010 return res; 3011 } else if (obj instanceof PackageSetting) { 3012 final PackageSetting ps = (PackageSetting) obj; 3013 return new String[] { ps.name }; 3014 } 3015 } 3016 return null; 3017 } 3018 3019 @Override 3020 public String getNameForUid(int uid) { 3021 // reader 3022 synchronized (mPackages) { 3023 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3024 if (obj instanceof SharedUserSetting) { 3025 final SharedUserSetting sus = (SharedUserSetting) obj; 3026 return sus.name + ":" + sus.userId; 3027 } else if (obj instanceof PackageSetting) { 3028 final PackageSetting ps = (PackageSetting) obj; 3029 return ps.name; 3030 } 3031 } 3032 return null; 3033 } 3034 3035 @Override 3036 public int getUidForSharedUser(String sharedUserName) { 3037 if(sharedUserName == null) { 3038 return -1; 3039 } 3040 // reader 3041 synchronized (mPackages) { 3042 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 3043 if (suid == null) { 3044 return -1; 3045 } 3046 return suid.userId; 3047 } 3048 } 3049 3050 @Override 3051 public int getFlagsForUid(int uid) { 3052 synchronized (mPackages) { 3053 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3054 if (obj instanceof SharedUserSetting) { 3055 final SharedUserSetting sus = (SharedUserSetting) obj; 3056 return sus.pkgFlags; 3057 } else if (obj instanceof PackageSetting) { 3058 final PackageSetting ps = (PackageSetting) obj; 3059 return ps.pkgFlags; 3060 } 3061 } 3062 return 0; 3063 } 3064 3065 @Override 3066 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3067 int flags, int userId) { 3068 if (!sUserManager.exists(userId)) return null; 3069 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 3070 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3071 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3072 } 3073 3074 @Override 3075 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3076 IntentFilter filter, int match, ComponentName activity) { 3077 final int userId = UserHandle.getCallingUserId(); 3078 if (DEBUG_PREFERRED) { 3079 Log.v(TAG, "setLastChosenActivity intent=" + intent 3080 + " resolvedType=" + resolvedType 3081 + " flags=" + flags 3082 + " filter=" + filter 3083 + " match=" + match 3084 + " activity=" + activity); 3085 filter.dump(new PrintStreamPrinter(System.out), " "); 3086 } 3087 intent.setComponent(null); 3088 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3089 // Find any earlier preferred or last chosen entries and nuke them 3090 findPreferredActivity(intent, resolvedType, 3091 flags, query, 0, false, true, false, userId); 3092 // Add the new activity as the last chosen for this filter 3093 addPreferredActivityInternal(filter, match, null, activity, false, userId); 3094 } 3095 3096 @Override 3097 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3098 final int userId = UserHandle.getCallingUserId(); 3099 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3100 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3101 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3102 false, false, false, userId); 3103 } 3104 3105 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3106 int flags, List<ResolveInfo> query, int userId) { 3107 if (query != null) { 3108 final int N = query.size(); 3109 if (N == 1) { 3110 return query.get(0); 3111 } else if (N > 1) { 3112 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3113 // If there is more than one activity with the same priority, 3114 // then let the user decide between them. 3115 ResolveInfo r0 = query.get(0); 3116 ResolveInfo r1 = query.get(1); 3117 if (DEBUG_INTENT_MATCHING || debug) { 3118 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3119 + r1.activityInfo.name + "=" + r1.priority); 3120 } 3121 // If the first activity has a higher priority, or a different 3122 // default, then it is always desireable to pick it. 3123 if (r0.priority != r1.priority 3124 || r0.preferredOrder != r1.preferredOrder 3125 || r0.isDefault != r1.isDefault) { 3126 return query.get(0); 3127 } 3128 // If we have saved a preference for a preferred activity for 3129 // this Intent, use that. 3130 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3131 flags, query, r0.priority, true, false, debug, userId); 3132 if (ri != null) { 3133 return ri; 3134 } 3135 if (userId != 0) { 3136 ri = new ResolveInfo(mResolveInfo); 3137 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3138 ri.activityInfo.applicationInfo = new ApplicationInfo( 3139 ri.activityInfo.applicationInfo); 3140 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3141 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3142 return ri; 3143 } 3144 return mResolveInfo; 3145 } 3146 } 3147 return null; 3148 } 3149 3150 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3151 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3152 final int N = query.size(); 3153 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3154 .get(userId); 3155 // Get the list of persistent preferred activities that handle the intent 3156 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3157 List<PersistentPreferredActivity> pprefs = ppir != null 3158 ? ppir.queryIntent(intent, resolvedType, 3159 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3160 : null; 3161 if (pprefs != null && pprefs.size() > 0) { 3162 final int M = pprefs.size(); 3163 for (int i=0; i<M; i++) { 3164 final PersistentPreferredActivity ppa = pprefs.get(i); 3165 if (DEBUG_PREFERRED || debug) { 3166 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3167 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3168 + "\n component=" + ppa.mComponent); 3169 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3170 } 3171 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3172 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3173 if (DEBUG_PREFERRED || debug) { 3174 Slog.v(TAG, "Found persistent preferred activity:"); 3175 if (ai != null) { 3176 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3177 } else { 3178 Slog.v(TAG, " null"); 3179 } 3180 } 3181 if (ai == null) { 3182 // This previously registered persistent preferred activity 3183 // component is no longer known. Ignore it and do NOT remove it. 3184 continue; 3185 } 3186 for (int j=0; j<N; j++) { 3187 final ResolveInfo ri = query.get(j); 3188 if (!ri.activityInfo.applicationInfo.packageName 3189 .equals(ai.applicationInfo.packageName)) { 3190 continue; 3191 } 3192 if (!ri.activityInfo.name.equals(ai.name)) { 3193 continue; 3194 } 3195 // Found a persistent preference that can handle the intent. 3196 if (DEBUG_PREFERRED || debug) { 3197 Slog.v(TAG, "Returning persistent preferred activity: " + 3198 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3199 } 3200 return ri; 3201 } 3202 } 3203 } 3204 return null; 3205 } 3206 3207 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3208 List<ResolveInfo> query, int priority, boolean always, 3209 boolean removeMatches, boolean debug, int userId) { 3210 if (!sUserManager.exists(userId)) return null; 3211 // writer 3212 synchronized (mPackages) { 3213 if (intent.getSelector() != null) { 3214 intent = intent.getSelector(); 3215 } 3216 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3217 3218 // Try to find a matching persistent preferred activity. 3219 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3220 debug, userId); 3221 3222 // If a persistent preferred activity matched, use it. 3223 if (pri != null) { 3224 return pri; 3225 } 3226 3227 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3228 // Get the list of preferred activities that handle the intent 3229 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3230 List<PreferredActivity> prefs = pir != null 3231 ? pir.queryIntent(intent, resolvedType, 3232 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3233 : null; 3234 if (prefs != null && prefs.size() > 0) { 3235 // First figure out how good the original match set is. 3236 // We will only allow preferred activities that came 3237 // from the same match quality. 3238 int match = 0; 3239 3240 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3241 3242 final int N = query.size(); 3243 for (int j=0; j<N; j++) { 3244 final ResolveInfo ri = query.get(j); 3245 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3246 + ": 0x" + Integer.toHexString(match)); 3247 if (ri.match > match) { 3248 match = ri.match; 3249 } 3250 } 3251 3252 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3253 + Integer.toHexString(match)); 3254 3255 match &= IntentFilter.MATCH_CATEGORY_MASK; 3256 final int M = prefs.size(); 3257 for (int i=0; i<M; i++) { 3258 final PreferredActivity pa = prefs.get(i); 3259 if (DEBUG_PREFERRED || debug) { 3260 Slog.v(TAG, "Checking PreferredActivity ds=" 3261 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3262 + "\n component=" + pa.mPref.mComponent); 3263 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3264 } 3265 if (pa.mPref.mMatch != match) { 3266 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3267 + Integer.toHexString(pa.mPref.mMatch)); 3268 continue; 3269 } 3270 // If it's not an "always" type preferred activity and that's what we're 3271 // looking for, skip it. 3272 if (always && !pa.mPref.mAlways) { 3273 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3274 continue; 3275 } 3276 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3277 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3278 if (DEBUG_PREFERRED || debug) { 3279 Slog.v(TAG, "Found preferred activity:"); 3280 if (ai != null) { 3281 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3282 } else { 3283 Slog.v(TAG, " null"); 3284 } 3285 } 3286 if (ai == null) { 3287 // This previously registered preferred activity 3288 // component is no longer known. Most likely an update 3289 // to the app was installed and in the new version this 3290 // component no longer exists. Clean it up by removing 3291 // it from the preferred activities list, and skip it. 3292 Slog.w(TAG, "Removing dangling preferred activity: " 3293 + pa.mPref.mComponent); 3294 pir.removeFilter(pa); 3295 continue; 3296 } 3297 for (int j=0; j<N; j++) { 3298 final ResolveInfo ri = query.get(j); 3299 if (!ri.activityInfo.applicationInfo.packageName 3300 .equals(ai.applicationInfo.packageName)) { 3301 continue; 3302 } 3303 if (!ri.activityInfo.name.equals(ai.name)) { 3304 continue; 3305 } 3306 3307 if (removeMatches) { 3308 pir.removeFilter(pa); 3309 if (DEBUG_PREFERRED) { 3310 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3311 } 3312 break; 3313 } 3314 3315 // Okay we found a previously set preferred or last chosen app. 3316 // If the result set is different from when this 3317 // was created, we need to clear it and re-ask the 3318 // user their preference, if we're looking for an "always" type entry. 3319 if (always && !pa.mPref.sameSet(query, priority)) { 3320 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3321 + intent + " type " + resolvedType); 3322 if (DEBUG_PREFERRED) { 3323 Slog.v(TAG, "Removing preferred activity since set changed " 3324 + pa.mPref.mComponent); 3325 } 3326 pir.removeFilter(pa); 3327 // Re-add the filter as a "last chosen" entry (!always) 3328 PreferredActivity lastChosen = new PreferredActivity( 3329 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3330 pir.addFilter(lastChosen); 3331 mSettings.writePackageRestrictionsLPr(userId); 3332 return null; 3333 } 3334 3335 // Yay! Either the set matched or we're looking for the last chosen 3336 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3337 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3338 mSettings.writePackageRestrictionsLPr(userId); 3339 return ri; 3340 } 3341 } 3342 } 3343 mSettings.writePackageRestrictionsLPr(userId); 3344 } 3345 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3346 return null; 3347 } 3348 3349 /* 3350 * Returns if intent can be forwarded from the userId from to dest 3351 */ 3352 @Override 3353 public boolean canForwardTo(Intent intent, String resolvedType, int userIdFrom, int userIdDest) { 3354 mContext.enforceCallingOrSelfPermission( 3355 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3356 List<ForwardingIntentFilter> matches = 3357 getMatchingForwardingIntentFilters(intent, resolvedType, userIdFrom); 3358 if (matches != null) { 3359 int size = matches.size(); 3360 for (int i = 0; i < size; i++) { 3361 if (matches.get(i).getUserIdDest() == userIdDest) return true; 3362 } 3363 } 3364 return false; 3365 } 3366 3367 private List<ForwardingIntentFilter> getMatchingForwardingIntentFilters(Intent intent, 3368 String resolvedType, int userId) { 3369 ForwardingIntentResolver fir = mSettings.mForwardingIntentResolvers.get(userId); 3370 if (fir != null) { 3371 return fir.queryIntent(intent, resolvedType, false, userId); 3372 } 3373 return null; 3374 } 3375 3376 @Override 3377 public List<ResolveInfo> queryIntentActivities(Intent intent, 3378 String resolvedType, int flags, int userId) { 3379 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3380 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3381 ComponentName comp = intent.getComponent(); 3382 if (comp == null) { 3383 if (intent.getSelector() != null) { 3384 intent = intent.getSelector(); 3385 comp = intent.getComponent(); 3386 } 3387 } 3388 3389 if (comp != null) { 3390 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3391 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3392 if (ai != null) { 3393 final ResolveInfo ri = new ResolveInfo(); 3394 ri.activityInfo = ai; 3395 list.add(ri); 3396 } 3397 return list; 3398 } 3399 3400 // reader 3401 synchronized (mPackages) { 3402 final String pkgName = intent.getPackage(); 3403 if (pkgName == null) { 3404 List<ResolveInfo> result = 3405 mActivities.queryIntent(intent, resolvedType, flags, userId); 3406 // Checking if we can forward the intent to another user 3407 List<ForwardingIntentFilter> fifs = 3408 getMatchingForwardingIntentFilters(intent, resolvedType, userId); 3409 if (fifs != null) { 3410 ForwardingIntentFilter forwardingIntentFilterWithResult = null; 3411 HashSet<Integer> alreadyTriedUserIds = new HashSet<Integer>(); 3412 for (ForwardingIntentFilter fif : fifs) { 3413 int userIdDest = fif.getUserIdDest(); 3414 // Two {@link ForwardingIntentFilter}s can have the same userIdDest and 3415 // match the same an intent. For performance reasons, it is better not to 3416 // run queryIntent twice for the same userId 3417 if (!alreadyTriedUserIds.contains(userIdDest)) { 3418 List<ResolveInfo> resultUser = mActivities.queryIntent(intent, 3419 resolvedType, flags, userIdDest); 3420 if (resultUser != null) { 3421 forwardingIntentFilterWithResult = fif; 3422 // As soon as there is a match in another user, we add the 3423 // intentForwarderActivity to the list of ResolveInfo. 3424 break; 3425 } 3426 alreadyTriedUserIds.add(userIdDest); 3427 } 3428 } 3429 if (forwardingIntentFilterWithResult != null) { 3430 ResolveInfo forwardingResolveInfo = createForwardingResolveInfo( 3431 forwardingIntentFilterWithResult, userId); 3432 result.add(forwardingResolveInfo); 3433 } 3434 } 3435 return result; 3436 } 3437 final PackageParser.Package pkg = mPackages.get(pkgName); 3438 if (pkg != null) { 3439 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3440 pkg.activities, userId); 3441 } 3442 return new ArrayList<ResolveInfo>(); 3443 } 3444 } 3445 3446 private ResolveInfo createForwardingResolveInfo(ForwardingIntentFilter fif, int userIdFrom) { 3447 String className; 3448 int userIdDest = fif.getUserIdDest(); 3449 if (userIdDest == UserHandle.USER_OWNER) { 3450 className = FORWARD_INTENT_TO_USER_OWNER; 3451 } else { 3452 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3453 } 3454 ComponentName forwardingActivityComponentName = new ComponentName( 3455 mAndroidApplication.packageName, className); 3456 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3457 userIdFrom); 3458 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3459 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3460 forwardingResolveInfo.priority = 0; 3461 forwardingResolveInfo.preferredOrder = 0; 3462 forwardingResolveInfo.match = 0; 3463 forwardingResolveInfo.isDefault = true; 3464 forwardingResolveInfo.filter = fif; 3465 return forwardingResolveInfo; 3466 } 3467 3468 @Override 3469 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3470 Intent[] specifics, String[] specificTypes, Intent intent, 3471 String resolvedType, int flags, int userId) { 3472 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3473 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3474 "query intent activity options"); 3475 final String resultsAction = intent.getAction(); 3476 3477 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3478 | PackageManager.GET_RESOLVED_FILTER, userId); 3479 3480 if (DEBUG_INTENT_MATCHING) { 3481 Log.v(TAG, "Query " + intent + ": " + results); 3482 } 3483 3484 int specificsPos = 0; 3485 int N; 3486 3487 // todo: note that the algorithm used here is O(N^2). This 3488 // isn't a problem in our current environment, but if we start running 3489 // into situations where we have more than 5 or 10 matches then this 3490 // should probably be changed to something smarter... 3491 3492 // First we go through and resolve each of the specific items 3493 // that were supplied, taking care of removing any corresponding 3494 // duplicate items in the generic resolve list. 3495 if (specifics != null) { 3496 for (int i=0; i<specifics.length; i++) { 3497 final Intent sintent = specifics[i]; 3498 if (sintent == null) { 3499 continue; 3500 } 3501 3502 if (DEBUG_INTENT_MATCHING) { 3503 Log.v(TAG, "Specific #" + i + ": " + sintent); 3504 } 3505 3506 String action = sintent.getAction(); 3507 if (resultsAction != null && resultsAction.equals(action)) { 3508 // If this action was explicitly requested, then don't 3509 // remove things that have it. 3510 action = null; 3511 } 3512 3513 ResolveInfo ri = null; 3514 ActivityInfo ai = null; 3515 3516 ComponentName comp = sintent.getComponent(); 3517 if (comp == null) { 3518 ri = resolveIntent( 3519 sintent, 3520 specificTypes != null ? specificTypes[i] : null, 3521 flags, userId); 3522 if (ri == null) { 3523 continue; 3524 } 3525 if (ri == mResolveInfo) { 3526 // ACK! Must do something better with this. 3527 } 3528 ai = ri.activityInfo; 3529 comp = new ComponentName(ai.applicationInfo.packageName, 3530 ai.name); 3531 } else { 3532 ai = getActivityInfo(comp, flags, userId); 3533 if (ai == null) { 3534 continue; 3535 } 3536 } 3537 3538 // Look for any generic query activities that are duplicates 3539 // of this specific one, and remove them from the results. 3540 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3541 N = results.size(); 3542 int j; 3543 for (j=specificsPos; j<N; j++) { 3544 ResolveInfo sri = results.get(j); 3545 if ((sri.activityInfo.name.equals(comp.getClassName()) 3546 && sri.activityInfo.applicationInfo.packageName.equals( 3547 comp.getPackageName())) 3548 || (action != null && sri.filter.matchAction(action))) { 3549 results.remove(j); 3550 if (DEBUG_INTENT_MATCHING) Log.v( 3551 TAG, "Removing duplicate item from " + j 3552 + " due to specific " + specificsPos); 3553 if (ri == null) { 3554 ri = sri; 3555 } 3556 j--; 3557 N--; 3558 } 3559 } 3560 3561 // Add this specific item to its proper place. 3562 if (ri == null) { 3563 ri = new ResolveInfo(); 3564 ri.activityInfo = ai; 3565 } 3566 results.add(specificsPos, ri); 3567 ri.specificIndex = i; 3568 specificsPos++; 3569 } 3570 } 3571 3572 // Now we go through the remaining generic results and remove any 3573 // duplicate actions that are found here. 3574 N = results.size(); 3575 for (int i=specificsPos; i<N-1; i++) { 3576 final ResolveInfo rii = results.get(i); 3577 if (rii.filter == null) { 3578 continue; 3579 } 3580 3581 // Iterate over all of the actions of this result's intent 3582 // filter... typically this should be just one. 3583 final Iterator<String> it = rii.filter.actionsIterator(); 3584 if (it == null) { 3585 continue; 3586 } 3587 while (it.hasNext()) { 3588 final String action = it.next(); 3589 if (resultsAction != null && resultsAction.equals(action)) { 3590 // If this action was explicitly requested, then don't 3591 // remove things that have it. 3592 continue; 3593 } 3594 for (int j=i+1; j<N; j++) { 3595 final ResolveInfo rij = results.get(j); 3596 if (rij.filter != null && rij.filter.hasAction(action)) { 3597 results.remove(j); 3598 if (DEBUG_INTENT_MATCHING) Log.v( 3599 TAG, "Removing duplicate item from " + j 3600 + " due to action " + action + " at " + i); 3601 j--; 3602 N--; 3603 } 3604 } 3605 } 3606 3607 // If the caller didn't request filter information, drop it now 3608 // so we don't have to marshall/unmarshall it. 3609 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3610 rii.filter = null; 3611 } 3612 } 3613 3614 // Filter out the caller activity if so requested. 3615 if (caller != null) { 3616 N = results.size(); 3617 for (int i=0; i<N; i++) { 3618 ActivityInfo ainfo = results.get(i).activityInfo; 3619 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3620 && caller.getClassName().equals(ainfo.name)) { 3621 results.remove(i); 3622 break; 3623 } 3624 } 3625 } 3626 3627 // If the caller didn't request filter information, 3628 // drop them now so we don't have to 3629 // marshall/unmarshall it. 3630 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3631 N = results.size(); 3632 for (int i=0; i<N; i++) { 3633 results.get(i).filter = null; 3634 } 3635 } 3636 3637 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3638 return results; 3639 } 3640 3641 @Override 3642 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3643 int userId) { 3644 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3645 ComponentName comp = intent.getComponent(); 3646 if (comp == null) { 3647 if (intent.getSelector() != null) { 3648 intent = intent.getSelector(); 3649 comp = intent.getComponent(); 3650 } 3651 } 3652 if (comp != null) { 3653 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3654 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3655 if (ai != null) { 3656 ResolveInfo ri = new ResolveInfo(); 3657 ri.activityInfo = ai; 3658 list.add(ri); 3659 } 3660 return list; 3661 } 3662 3663 // reader 3664 synchronized (mPackages) { 3665 String pkgName = intent.getPackage(); 3666 if (pkgName == null) { 3667 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3668 } 3669 final PackageParser.Package pkg = mPackages.get(pkgName); 3670 if (pkg != null) { 3671 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3672 userId); 3673 } 3674 return null; 3675 } 3676 } 3677 3678 @Override 3679 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3680 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3681 if (!sUserManager.exists(userId)) return null; 3682 if (query != null) { 3683 if (query.size() >= 1) { 3684 // If there is more than one service with the same priority, 3685 // just arbitrarily pick the first one. 3686 return query.get(0); 3687 } 3688 } 3689 return null; 3690 } 3691 3692 @Override 3693 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3694 int userId) { 3695 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3696 ComponentName comp = intent.getComponent(); 3697 if (comp == null) { 3698 if (intent.getSelector() != null) { 3699 intent = intent.getSelector(); 3700 comp = intent.getComponent(); 3701 } 3702 } 3703 if (comp != null) { 3704 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3705 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3706 if (si != null) { 3707 final ResolveInfo ri = new ResolveInfo(); 3708 ri.serviceInfo = si; 3709 list.add(ri); 3710 } 3711 return list; 3712 } 3713 3714 // reader 3715 synchronized (mPackages) { 3716 String pkgName = intent.getPackage(); 3717 if (pkgName == null) { 3718 return mServices.queryIntent(intent, resolvedType, flags, userId); 3719 } 3720 final PackageParser.Package pkg = mPackages.get(pkgName); 3721 if (pkg != null) { 3722 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3723 userId); 3724 } 3725 return null; 3726 } 3727 } 3728 3729 @Override 3730 public List<ResolveInfo> queryIntentContentProviders( 3731 Intent intent, String resolvedType, int flags, int userId) { 3732 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3733 ComponentName comp = intent.getComponent(); 3734 if (comp == null) { 3735 if (intent.getSelector() != null) { 3736 intent = intent.getSelector(); 3737 comp = intent.getComponent(); 3738 } 3739 } 3740 if (comp != null) { 3741 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3742 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3743 if (pi != null) { 3744 final ResolveInfo ri = new ResolveInfo(); 3745 ri.providerInfo = pi; 3746 list.add(ri); 3747 } 3748 return list; 3749 } 3750 3751 // reader 3752 synchronized (mPackages) { 3753 String pkgName = intent.getPackage(); 3754 if (pkgName == null) { 3755 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3756 } 3757 final PackageParser.Package pkg = mPackages.get(pkgName); 3758 if (pkg != null) { 3759 return mProviders.queryIntentForPackage( 3760 intent, resolvedType, flags, pkg.providers, userId); 3761 } 3762 return null; 3763 } 3764 } 3765 3766 @Override 3767 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3768 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3769 3770 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3771 3772 // writer 3773 synchronized (mPackages) { 3774 ArrayList<PackageInfo> list; 3775 if (listUninstalled) { 3776 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3777 for (PackageSetting ps : mSettings.mPackages.values()) { 3778 PackageInfo pi; 3779 if (ps.pkg != null) { 3780 pi = generatePackageInfo(ps.pkg, flags, userId); 3781 } else { 3782 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3783 } 3784 if (pi != null) { 3785 list.add(pi); 3786 } 3787 } 3788 } else { 3789 list = new ArrayList<PackageInfo>(mPackages.size()); 3790 for (PackageParser.Package p : mPackages.values()) { 3791 PackageInfo pi = generatePackageInfo(p, flags, userId); 3792 if (pi != null) { 3793 list.add(pi); 3794 } 3795 } 3796 } 3797 3798 return new ParceledListSlice<PackageInfo>(list); 3799 } 3800 } 3801 3802 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3803 String[] permissions, boolean[] tmp, int flags, int userId) { 3804 int numMatch = 0; 3805 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3806 for (int i=0; i<permissions.length; i++) { 3807 if (gp.grantedPermissions.contains(permissions[i])) { 3808 tmp[i] = true; 3809 numMatch++; 3810 } else { 3811 tmp[i] = false; 3812 } 3813 } 3814 if (numMatch == 0) { 3815 return; 3816 } 3817 PackageInfo pi; 3818 if (ps.pkg != null) { 3819 pi = generatePackageInfo(ps.pkg, flags, userId); 3820 } else { 3821 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3822 } 3823 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3824 if (numMatch == permissions.length) { 3825 pi.requestedPermissions = permissions; 3826 } else { 3827 pi.requestedPermissions = new String[numMatch]; 3828 numMatch = 0; 3829 for (int i=0; i<permissions.length; i++) { 3830 if (tmp[i]) { 3831 pi.requestedPermissions[numMatch] = permissions[i]; 3832 numMatch++; 3833 } 3834 } 3835 } 3836 } 3837 list.add(pi); 3838 } 3839 3840 @Override 3841 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3842 String[] permissions, int flags, int userId) { 3843 if (!sUserManager.exists(userId)) return null; 3844 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3845 3846 // writer 3847 synchronized (mPackages) { 3848 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3849 boolean[] tmpBools = new boolean[permissions.length]; 3850 if (listUninstalled) { 3851 for (PackageSetting ps : mSettings.mPackages.values()) { 3852 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3853 } 3854 } else { 3855 for (PackageParser.Package pkg : mPackages.values()) { 3856 PackageSetting ps = (PackageSetting)pkg.mExtras; 3857 if (ps != null) { 3858 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3859 userId); 3860 } 3861 } 3862 } 3863 3864 return new ParceledListSlice<PackageInfo>(list); 3865 } 3866 } 3867 3868 @Override 3869 public ParceledListSlice<ApplicationInfo> getInstalledApplications(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<ApplicationInfo> list; 3876 if (listUninstalled) { 3877 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3878 for (PackageSetting ps : mSettings.mPackages.values()) { 3879 ApplicationInfo ai; 3880 if (ps.pkg != null) { 3881 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3882 ps.readUserState(userId), userId); 3883 } else { 3884 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3885 } 3886 if (ai != null) { 3887 list.add(ai); 3888 } 3889 } 3890 } else { 3891 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3892 for (PackageParser.Package p : mPackages.values()) { 3893 if (p.mExtras != null) { 3894 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3895 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3896 if (ai != null) { 3897 list.add(ai); 3898 } 3899 } 3900 } 3901 } 3902 3903 return new ParceledListSlice<ApplicationInfo>(list); 3904 } 3905 } 3906 3907 public List<ApplicationInfo> getPersistentApplications(int flags) { 3908 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3909 3910 // reader 3911 synchronized (mPackages) { 3912 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3913 final int userId = UserHandle.getCallingUserId(); 3914 while (i.hasNext()) { 3915 final PackageParser.Package p = i.next(); 3916 if (p.applicationInfo != null 3917 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3918 && (!mSafeMode || isSystemApp(p))) { 3919 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3920 if (ps != null) { 3921 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3922 ps.readUserState(userId), userId); 3923 if (ai != null) { 3924 finalList.add(ai); 3925 } 3926 } 3927 } 3928 } 3929 } 3930 3931 return finalList; 3932 } 3933 3934 @Override 3935 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3936 if (!sUserManager.exists(userId)) return null; 3937 // reader 3938 synchronized (mPackages) { 3939 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3940 PackageSetting ps = provider != null 3941 ? mSettings.mPackages.get(provider.owner.packageName) 3942 : null; 3943 return ps != null 3944 && mSettings.isEnabledLPr(provider.info, flags, userId) 3945 && (!mSafeMode || (provider.info.applicationInfo.flags 3946 &ApplicationInfo.FLAG_SYSTEM) != 0) 3947 ? PackageParser.generateProviderInfo(provider, flags, 3948 ps.readUserState(userId), userId) 3949 : null; 3950 } 3951 } 3952 3953 /** 3954 * @deprecated 3955 */ 3956 @Deprecated 3957 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3958 // reader 3959 synchronized (mPackages) { 3960 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3961 .entrySet().iterator(); 3962 final int userId = UserHandle.getCallingUserId(); 3963 while (i.hasNext()) { 3964 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3965 PackageParser.Provider p = entry.getValue(); 3966 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3967 3968 if (ps != null && p.syncable 3969 && (!mSafeMode || (p.info.applicationInfo.flags 3970 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3971 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3972 ps.readUserState(userId), userId); 3973 if (info != null) { 3974 outNames.add(entry.getKey()); 3975 outInfo.add(info); 3976 } 3977 } 3978 } 3979 } 3980 } 3981 3982 @Override 3983 public List<ProviderInfo> queryContentProviders(String processName, 3984 int uid, int flags) { 3985 ArrayList<ProviderInfo> finalList = null; 3986 // reader 3987 synchronized (mPackages) { 3988 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3989 final int userId = processName != null ? 3990 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3991 while (i.hasNext()) { 3992 final PackageParser.Provider p = i.next(); 3993 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3994 if (ps != null && p.info.authority != null 3995 && (processName == null 3996 || (p.info.processName.equals(processName) 3997 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3998 && mSettings.isEnabledLPr(p.info, flags, userId) 3999 && (!mSafeMode 4000 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4001 if (finalList == null) { 4002 finalList = new ArrayList<ProviderInfo>(3); 4003 } 4004 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4005 ps.readUserState(userId), userId); 4006 if (info != null) { 4007 finalList.add(info); 4008 } 4009 } 4010 } 4011 } 4012 4013 if (finalList != null) { 4014 Collections.sort(finalList, mProviderInitOrderSorter); 4015 } 4016 4017 return finalList; 4018 } 4019 4020 @Override 4021 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4022 int flags) { 4023 // reader 4024 synchronized (mPackages) { 4025 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4026 return PackageParser.generateInstrumentationInfo(i, flags); 4027 } 4028 } 4029 4030 @Override 4031 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4032 int flags) { 4033 ArrayList<InstrumentationInfo> finalList = 4034 new ArrayList<InstrumentationInfo>(); 4035 4036 // reader 4037 synchronized (mPackages) { 4038 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4039 while (i.hasNext()) { 4040 final PackageParser.Instrumentation p = i.next(); 4041 if (targetPackage == null 4042 || targetPackage.equals(p.info.targetPackage)) { 4043 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4044 flags); 4045 if (ii != null) { 4046 finalList.add(ii); 4047 } 4048 } 4049 } 4050 } 4051 4052 return finalList; 4053 } 4054 4055 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4056 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4057 if (overlays == null) { 4058 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4059 return; 4060 } 4061 for (PackageParser.Package opkg : overlays.values()) { 4062 // Not much to do if idmap fails: we already logged the error 4063 // and we certainly don't want to abort installation of pkg simply 4064 // because an overlay didn't fit properly. For these reasons, 4065 // ignore the return value of createIdmapForPackagePairLI. 4066 createIdmapForPackagePairLI(pkg, opkg); 4067 } 4068 } 4069 4070 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4071 PackageParser.Package opkg) { 4072 if (!opkg.mTrustedOverlay) { 4073 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 4074 opkg.mScanPath + ": overlay not trusted"); 4075 return false; 4076 } 4077 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4078 if (overlaySet == null) { 4079 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 4080 opkg.mScanPath + " but target package has no known overlays"); 4081 return false; 4082 } 4083 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4084 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 4085 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 4086 return false; 4087 } 4088 PackageParser.Package[] overlayArray = 4089 overlaySet.values().toArray(new PackageParser.Package[0]); 4090 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4091 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4092 return p1.mOverlayPriority - p2.mOverlayPriority; 4093 } 4094 }; 4095 Arrays.sort(overlayArray, cmp); 4096 4097 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4098 int i = 0; 4099 for (PackageParser.Package p : overlayArray) { 4100 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 4101 } 4102 return true; 4103 } 4104 4105 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4106 String[] files = dir.list(); 4107 if (files == null) { 4108 Log.d(TAG, "No files in app dir " + dir); 4109 return; 4110 } 4111 4112 if (DEBUG_PACKAGE_SCANNING) { 4113 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4114 + " flags=0x" + Integer.toHexString(flags)); 4115 } 4116 4117 int i; 4118 for (i=0; i<files.length; i++) { 4119 File file = new File(dir, files[i]); 4120 if (!isPackageFilename(files[i])) { 4121 // Ignore entries which are not apk's 4122 continue; 4123 } 4124 PackageParser.Package pkg = scanPackageLI(file, 4125 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 4126 // Don't mess around with apps in system partition. 4127 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4128 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 4129 // Delete the apk 4130 Slog.w(TAG, "Cleaning up failed install of " + file); 4131 file.delete(); 4132 } 4133 } 4134 } 4135 4136 private static File getSettingsProblemFile() { 4137 File dataDir = Environment.getDataDirectory(); 4138 File systemDir = new File(dataDir, "system"); 4139 File fname = new File(systemDir, "uiderrors.txt"); 4140 return fname; 4141 } 4142 4143 static void reportSettingsProblem(int priority, String msg) { 4144 try { 4145 File fname = getSettingsProblemFile(); 4146 FileOutputStream out = new FileOutputStream(fname, true); 4147 PrintWriter pw = new FastPrintWriter(out); 4148 SimpleDateFormat formatter = new SimpleDateFormat(); 4149 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4150 pw.println(dateString + ": " + msg); 4151 pw.close(); 4152 FileUtils.setPermissions( 4153 fname.toString(), 4154 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4155 -1, -1); 4156 } catch (java.io.IOException e) { 4157 } 4158 Slog.println(priority, TAG, msg); 4159 } 4160 4161 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 4162 PackageParser.Package pkg, File srcFile, int parseFlags) { 4163 if (ps != null 4164 && ps.codePath.equals(srcFile) 4165 && ps.timeStamp == srcFile.lastModified() 4166 && !isCompatSignatureUpdateNeeded(pkg)) { 4167 if (ps.signatures.mSignatures != null 4168 && ps.signatures.mSignatures.length != 0) { 4169 // Optimization: reuse the existing cached certificates 4170 // if the package appears to be unchanged. 4171 pkg.mSignatures = ps.signatures.mSignatures; 4172 return true; 4173 } 4174 4175 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4176 } else { 4177 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4178 } 4179 4180 if (!pp.collectCertificates(pkg, parseFlags)) { 4181 mLastScanError = pp.getParseError(); 4182 return false; 4183 } 4184 return true; 4185 } 4186 4187 /* 4188 * Scan a package and return the newly parsed package. 4189 * Returns null in case of errors and the error code is stored in mLastScanError 4190 */ 4191 private PackageParser.Package scanPackageLI(File scanFile, 4192 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4193 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4194 String scanPath = scanFile.getPath(); 4195 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4196 parseFlags |= mDefParseFlags; 4197 PackageParser pp = new PackageParser(scanPath); 4198 pp.setSeparateProcesses(mSeparateProcesses); 4199 pp.setOnlyCoreApps(mOnlyCore); 4200 final PackageParser.Package pkg = pp.parsePackage(scanFile, 4201 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 4202 4203 if (pkg == null) { 4204 mLastScanError = pp.getParseError(); 4205 return null; 4206 } 4207 4208 PackageSetting ps = null; 4209 PackageSetting updatedPkg; 4210 // reader 4211 synchronized (mPackages) { 4212 // Look to see if we already know about this package. 4213 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4214 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4215 // This package has been renamed to its original name. Let's 4216 // use that. 4217 ps = mSettings.peekPackageLPr(oldName); 4218 } 4219 // If there was no original package, see one for the real package name. 4220 if (ps == null) { 4221 ps = mSettings.peekPackageLPr(pkg.packageName); 4222 } 4223 // Check to see if this package could be hiding/updating a system 4224 // package. Must look for it either under the original or real 4225 // package name depending on our state. 4226 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4227 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4228 } 4229 boolean updatedPkgBetter = false; 4230 // First check if this is a system package that may involve an update 4231 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4232 if (ps != null && !ps.codePath.equals(scanFile)) { 4233 // The path has changed from what was last scanned... check the 4234 // version of the new path against what we have stored to determine 4235 // what to do. 4236 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4237 if (pkg.mVersionCode < ps.versionCode) { 4238 // The system package has been updated and the code path does not match 4239 // Ignore entry. Skip it. 4240 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4241 + " ignored: updated version " + ps.versionCode 4242 + " better than this " + pkg.mVersionCode); 4243 if (!updatedPkg.codePath.equals(scanFile)) { 4244 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4245 + ps.name + " changing from " + updatedPkg.codePathString 4246 + " to " + scanFile); 4247 updatedPkg.codePath = scanFile; 4248 updatedPkg.codePathString = scanFile.toString(); 4249 // This is the point at which we know that the system-disk APK 4250 // for this package has moved during a reboot (e.g. due to an OTA), 4251 // so we need to reevaluate it for privilege policy. 4252 if (locationIsPrivileged(scanFile)) { 4253 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4254 } 4255 } 4256 updatedPkg.pkg = pkg; 4257 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4258 return null; 4259 } else { 4260 // The current app on the system partion is better than 4261 // what we have updated to on the data partition; switch 4262 // back to the system partition version. 4263 // At this point, its safely assumed that package installation for 4264 // apps in system partition will go through. If not there won't be a working 4265 // version of the app 4266 // writer 4267 synchronized (mPackages) { 4268 // Just remove the loaded entries from package lists. 4269 mPackages.remove(ps.name); 4270 } 4271 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4272 + "reverting from " + ps.codePathString 4273 + ": new version " + pkg.mVersionCode 4274 + " better than installed " + ps.versionCode); 4275 4276 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4277 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4278 getAppInstructionSetFromSettings(ps)); 4279 synchronized (mInstallLock) { 4280 args.cleanUpResourcesLI(); 4281 } 4282 synchronized (mPackages) { 4283 mSettings.enableSystemPackageLPw(ps.name); 4284 } 4285 updatedPkgBetter = true; 4286 } 4287 } 4288 } 4289 4290 if (updatedPkg != null) { 4291 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4292 // initially 4293 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4294 4295 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4296 // flag set initially 4297 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4298 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4299 } 4300 } 4301 // Verify certificates against what was last scanned 4302 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4303 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4304 return null; 4305 } 4306 4307 /* 4308 * A new system app appeared, but we already had a non-system one of the 4309 * same name installed earlier. 4310 */ 4311 boolean shouldHideSystemApp = false; 4312 if (updatedPkg == null && ps != null 4313 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4314 /* 4315 * Check to make sure the signatures match first. If they don't, 4316 * wipe the installed application and its data. 4317 */ 4318 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4319 != PackageManager.SIGNATURE_MATCH) { 4320 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4321 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4322 ps = null; 4323 } else { 4324 /* 4325 * If the newly-added system app is an older version than the 4326 * already installed version, hide it. It will be scanned later 4327 * and re-added like an update. 4328 */ 4329 if (pkg.mVersionCode < ps.versionCode) { 4330 shouldHideSystemApp = true; 4331 } else { 4332 /* 4333 * The newly found system app is a newer version that the 4334 * one previously installed. Simply remove the 4335 * already-installed application and replace it with our own 4336 * while keeping the application data. 4337 */ 4338 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4339 + ps.codePathString + ": new version " + pkg.mVersionCode 4340 + " better than installed " + ps.versionCode); 4341 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4342 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4343 getAppInstructionSetFromSettings(ps)); 4344 synchronized (mInstallLock) { 4345 args.cleanUpResourcesLI(); 4346 } 4347 } 4348 } 4349 } 4350 4351 // The apk is forward locked (not public) if its code and resources 4352 // are kept in different files. (except for app in either system or 4353 // vendor path). 4354 // TODO grab this value from PackageSettings 4355 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4356 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4357 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4358 } 4359 } 4360 4361 String codePath = null; 4362 String resPath = null; 4363 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4364 if (ps != null && ps.resourcePathString != null) { 4365 resPath = ps.resourcePathString; 4366 } else { 4367 // Should not happen at all. Just log an error. 4368 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4369 } 4370 } else { 4371 resPath = pkg.mScanPath; 4372 } 4373 4374 codePath = pkg.mScanPath; 4375 // Set application objects path explicitly. 4376 setApplicationInfoPaths(pkg, codePath, resPath); 4377 // Note that we invoke the following method only if we are about to unpack an application 4378 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4379 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4380 4381 /* 4382 * If the system app should be overridden by a previously installed 4383 * data, hide the system app now and let the /data/app scan pick it up 4384 * again. 4385 */ 4386 if (shouldHideSystemApp) { 4387 synchronized (mPackages) { 4388 /* 4389 * We have to grant systems permissions before we hide, because 4390 * grantPermissions will assume the package update is trying to 4391 * expand its permissions. 4392 */ 4393 grantPermissionsLPw(pkg, true); 4394 mSettings.disableSystemPackageLPw(pkg.packageName); 4395 } 4396 } 4397 4398 return scannedPkg; 4399 } 4400 4401 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4402 String destResPath) { 4403 pkg.mPath = pkg.mScanPath = destCodePath; 4404 pkg.applicationInfo.sourceDir = destCodePath; 4405 pkg.applicationInfo.publicSourceDir = destResPath; 4406 } 4407 4408 private static String fixProcessName(String defProcessName, 4409 String processName, int uid) { 4410 if (processName == null) { 4411 return defProcessName; 4412 } 4413 return processName; 4414 } 4415 4416 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4417 if (pkgSetting.signatures.mSignatures != null) { 4418 // Already existing package. Make sure signatures match 4419 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4420 == PackageManager.SIGNATURE_MATCH; 4421 if (!match) { 4422 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4423 == PackageManager.SIGNATURE_MATCH; 4424 } 4425 if (!match) { 4426 Slog.e(TAG, "Package " + pkg.packageName 4427 + " signatures do not match the previously installed version; ignoring!"); 4428 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4429 return false; 4430 } 4431 } 4432 // Check for shared user signatures 4433 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4434 // Already existing package. Make sure signatures match 4435 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4436 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4437 if (!match) { 4438 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4439 == PackageManager.SIGNATURE_MATCH; 4440 } 4441 if (!match) { 4442 Slog.e(TAG, "Package " + pkg.packageName 4443 + " has no signatures that match those in shared user " 4444 + pkgSetting.sharedUser.name + "; ignoring!"); 4445 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4446 return false; 4447 } 4448 } 4449 return true; 4450 } 4451 4452 /** 4453 * Enforces that only the system UID or root's UID can call a method exposed 4454 * via Binder. 4455 * 4456 * @param message used as message if SecurityException is thrown 4457 * @throws SecurityException if the caller is not system or root 4458 */ 4459 private static final void enforceSystemOrRoot(String message) { 4460 final int uid = Binder.getCallingUid(); 4461 if (uid != Process.SYSTEM_UID && uid != 0) { 4462 throw new SecurityException(message); 4463 } 4464 } 4465 4466 @Override 4467 public void performBootDexOpt() { 4468 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4469 4470 final HashSet<PackageParser.Package> pkgs; 4471 synchronized (mPackages) { 4472 pkgs = mDeferredDexOpt; 4473 mDeferredDexOpt = null; 4474 } 4475 4476 if (pkgs != null) { 4477 // Filter out packages that aren't recently used. 4478 // 4479 // The exception is first boot of a non-eng device, which 4480 // should do a full dexopt. 4481 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4482 if (eng || !isFirstBoot()) { 4483 // TODO: add a property to control this? 4484 long dexOptLRUThresholdInMinutes; 4485 if (eng) { 4486 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4487 } else { 4488 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4489 } 4490 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4491 4492 int total = pkgs.size(); 4493 int skipped = 0; 4494 long now = System.currentTimeMillis(); 4495 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4496 PackageParser.Package pkg = i.next(); 4497 long then = pkg.mLastPackageUsageTimeInMills; 4498 if (then + dexOptLRUThresholdInMills < now) { 4499 if (DEBUG_DEXOPT) { 4500 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4501 ((then == 0) ? "never" : new Date(then))); 4502 } 4503 i.remove(); 4504 skipped++; 4505 } 4506 } 4507 if (DEBUG_DEXOPT) { 4508 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4509 } 4510 } 4511 4512 int i = 0; 4513 for (PackageParser.Package pkg : pkgs) { 4514 i++; 4515 if (DEBUG_DEXOPT) { 4516 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4517 + ": " + pkg.packageName); 4518 } 4519 if (!isFirstBoot()) { 4520 try { 4521 ActivityManagerNative.getDefault().showBootMessage( 4522 mContext.getResources().getString( 4523 R.string.android_upgrading_apk, 4524 i, pkgs.size()), true); 4525 } catch (RemoteException e) { 4526 } 4527 } 4528 PackageParser.Package p = pkg; 4529 synchronized (mInstallLock) { 4530 if (p.mDexOptNeeded) { 4531 performDexOptLI(p, false /* force dex */, false /* defer */, 4532 true /* include dependencies */); 4533 } 4534 } 4535 } 4536 } 4537 } 4538 4539 @Override 4540 public boolean performDexOpt(String packageName) { 4541 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4542 return performDexOpt(packageName, true); 4543 } 4544 4545 public boolean performDexOpt(String packageName, boolean updateUsage) { 4546 4547 PackageParser.Package p; 4548 synchronized (mPackages) { 4549 p = mPackages.get(packageName); 4550 if (p == null) { 4551 return false; 4552 } 4553 if (updateUsage) { 4554 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4555 } 4556 mPackageUsage.write(false); 4557 if (!p.mDexOptNeeded) { 4558 return false; 4559 } 4560 } 4561 4562 synchronized (mInstallLock) { 4563 return performDexOptLI(p, false /* force dex */, false /* defer */, 4564 true /* include dependencies */) == DEX_OPT_PERFORMED; 4565 } 4566 } 4567 4568 public HashSet<String> getPackagesThatNeedDexOpt() { 4569 HashSet<String> pkgs = null; 4570 synchronized (mPackages) { 4571 for (PackageParser.Package p : mPackages.values()) { 4572 if (DEBUG_DEXOPT) { 4573 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4574 } 4575 if (!p.mDexOptNeeded) { 4576 continue; 4577 } 4578 if (pkgs == null) { 4579 pkgs = new HashSet<String>(); 4580 } 4581 pkgs.add(p.packageName); 4582 } 4583 } 4584 return pkgs; 4585 } 4586 4587 public void shutdown() { 4588 mPackageUsage.write(true); 4589 } 4590 4591 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4592 boolean forceDex, boolean defer, HashSet<String> done) { 4593 for (int i=0; i<libs.size(); i++) { 4594 PackageParser.Package libPkg; 4595 String libName; 4596 synchronized (mPackages) { 4597 libName = libs.get(i); 4598 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4599 if (lib != null && lib.apk != null) { 4600 libPkg = mPackages.get(lib.apk); 4601 } else { 4602 libPkg = null; 4603 } 4604 } 4605 if (libPkg != null && !done.contains(libName)) { 4606 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4607 } 4608 } 4609 } 4610 4611 static final int DEX_OPT_SKIPPED = 0; 4612 static final int DEX_OPT_PERFORMED = 1; 4613 static final int DEX_OPT_DEFERRED = 2; 4614 static final int DEX_OPT_FAILED = -1; 4615 4616 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4617 boolean forceDex, boolean defer, HashSet<String> done) { 4618 final String instructionSet = instructionSetOverride != null ? 4619 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4620 4621 if (done != null) { 4622 done.add(pkg.packageName); 4623 if (pkg.usesLibraries != null) { 4624 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4625 } 4626 if (pkg.usesOptionalLibraries != null) { 4627 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4628 } 4629 } 4630 4631 boolean performed = false; 4632 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4633 String path = pkg.mScanPath; 4634 try { 4635 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4636 pkg.packageName, 4637 instructionSet, 4638 defer); 4639 // There are three basic cases here: 4640 // 1.) we need to dexopt, either because we are forced or it is needed 4641 // 2.) we are defering a needed dexopt 4642 // 3.) we are skipping an unneeded dexopt 4643 if (forceDex || (!defer && isDexOptNeededInternal)) { 4644 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4645 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4646 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4647 pkg.packageName, instructionSet); 4648 // Note that we ran dexopt, since rerunning will 4649 // probably just result in an error again. 4650 pkg.mDexOptNeeded = false; 4651 if (ret < 0) { 4652 return DEX_OPT_FAILED; 4653 } 4654 return DEX_OPT_PERFORMED; 4655 } 4656 if (defer && isDexOptNeededInternal) { 4657 if (mDeferredDexOpt == null) { 4658 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4659 } 4660 mDeferredDexOpt.add(pkg); 4661 return DEX_OPT_DEFERRED; 4662 } 4663 pkg.mDexOptNeeded = false; 4664 return DEX_OPT_SKIPPED; 4665 } catch (FileNotFoundException e) { 4666 Slog.w(TAG, "Apk not found for dexopt: " + path); 4667 return DEX_OPT_FAILED; 4668 } catch (IOException e) { 4669 Slog.w(TAG, "IOException reading apk: " + path, e); 4670 return DEX_OPT_FAILED; 4671 } catch (StaleDexCacheError e) { 4672 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4673 return DEX_OPT_FAILED; 4674 } catch (Exception e) { 4675 Slog.w(TAG, "Exception when doing dexopt : ", e); 4676 return DEX_OPT_FAILED; 4677 } 4678 } 4679 return DEX_OPT_SKIPPED; 4680 } 4681 4682 private String getAppInstructionSet(ApplicationInfo info) { 4683 String instructionSet = getPreferredInstructionSet(); 4684 4685 if (info.cpuAbi != null) { 4686 instructionSet = VMRuntime.getInstructionSet(info.cpuAbi); 4687 } 4688 4689 return instructionSet; 4690 } 4691 4692 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4693 String instructionSet = getPreferredInstructionSet(); 4694 4695 if (ps.cpuAbiString != null) { 4696 instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 4697 } 4698 4699 return instructionSet; 4700 } 4701 4702 private static String getPreferredInstructionSet() { 4703 if (sPreferredInstructionSet == null) { 4704 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4705 } 4706 4707 return sPreferredInstructionSet; 4708 } 4709 4710 private static List<String> getAllInstructionSets() { 4711 final String[] allAbis = Build.SUPPORTED_ABIS; 4712 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4713 4714 for (String abi : allAbis) { 4715 final String instructionSet = VMRuntime.getInstructionSet(abi); 4716 if (!allInstructionSets.contains(instructionSet)) { 4717 allInstructionSets.add(instructionSet); 4718 } 4719 } 4720 4721 return allInstructionSets; 4722 } 4723 4724 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4725 boolean inclDependencies) { 4726 HashSet<String> done; 4727 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4728 done = new HashSet<String>(); 4729 done.add(pkg.packageName); 4730 } else { 4731 done = null; 4732 } 4733 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4734 } 4735 4736 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4737 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4738 Slog.w(TAG, "Unable to update from " + oldPkg.name 4739 + " to " + newPkg.packageName 4740 + ": old package not in system partition"); 4741 return false; 4742 } else if (mPackages.get(oldPkg.name) != null) { 4743 Slog.w(TAG, "Unable to update from " + oldPkg.name 4744 + " to " + newPkg.packageName 4745 + ": old package still exists"); 4746 return false; 4747 } 4748 return true; 4749 } 4750 4751 File getDataPathForUser(int userId) { 4752 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4753 } 4754 4755 private File getDataPathForPackage(String packageName, int userId) { 4756 /* 4757 * Until we fully support multiple users, return the directory we 4758 * previously would have. The PackageManagerTests will need to be 4759 * revised when this is changed back.. 4760 */ 4761 if (userId == 0) { 4762 return new File(mAppDataDir, packageName); 4763 } else { 4764 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4765 + File.separator + packageName); 4766 } 4767 } 4768 4769 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4770 int[] users = sUserManager.getUserIds(); 4771 int res = mInstaller.install(packageName, uid, uid, seinfo); 4772 if (res < 0) { 4773 return res; 4774 } 4775 for (int user : users) { 4776 if (user != 0) { 4777 res = mInstaller.createUserData(packageName, 4778 UserHandle.getUid(user, uid), user, seinfo); 4779 if (res < 0) { 4780 return res; 4781 } 4782 } 4783 } 4784 return res; 4785 } 4786 4787 private int removeDataDirsLI(String packageName) { 4788 int[] users = sUserManager.getUserIds(); 4789 int res = 0; 4790 for (int user : users) { 4791 int resInner = mInstaller.remove(packageName, user); 4792 if (resInner < 0) { 4793 res = resInner; 4794 } 4795 } 4796 4797 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4798 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4799 if (!nativeLibraryFile.delete()) { 4800 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4801 } 4802 4803 return res; 4804 } 4805 4806 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4807 PackageParser.Package changingLib) { 4808 if (file.path != null) { 4809 mTmpSharedLibraries[num] = file.path; 4810 return num+1; 4811 } 4812 PackageParser.Package p = mPackages.get(file.apk); 4813 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4814 // If we are doing this while in the middle of updating a library apk, 4815 // then we need to make sure to use that new apk for determining the 4816 // dependencies here. (We haven't yet finished committing the new apk 4817 // to the package manager state.) 4818 if (p == null || p.packageName.equals(changingLib.packageName)) { 4819 p = changingLib; 4820 } 4821 } 4822 if (p != null) { 4823 String path = p.mPath; 4824 for (int i=0; i<num; i++) { 4825 if (mTmpSharedLibraries[i].equals(path)) { 4826 return num; 4827 } 4828 } 4829 mTmpSharedLibraries[num] = p.mPath; 4830 return num+1; 4831 } 4832 return num; 4833 } 4834 4835 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4836 PackageParser.Package changingLib) { 4837 // We might be upgrading from a version of the platform that did not 4838 // provide per-package native library directories for system apps. 4839 // Fix that up here. 4840 if (isSystemApp(pkg)) { 4841 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4842 setInternalAppNativeLibraryPath(pkg, ps); 4843 } 4844 4845 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4846 if (mTmpSharedLibraries == null || 4847 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4848 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4849 } 4850 int num = 0; 4851 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4852 for (int i=0; i<N; i++) { 4853 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4854 if (file == null) { 4855 Slog.e(TAG, "Package " + pkg.packageName 4856 + " requires unavailable shared library " 4857 + pkg.usesLibraries.get(i) + "; failing!"); 4858 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4859 return false; 4860 } 4861 num = addSharedLibraryLPw(file, num, changingLib); 4862 } 4863 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4864 for (int i=0; i<N; i++) { 4865 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4866 if (file == null) { 4867 Slog.w(TAG, "Package " + pkg.packageName 4868 + " desires unavailable shared library " 4869 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4870 } else { 4871 num = addSharedLibraryLPw(file, num, changingLib); 4872 } 4873 } 4874 if (num > 0) { 4875 pkg.usesLibraryFiles = new String[num]; 4876 System.arraycopy(mTmpSharedLibraries, 0, 4877 pkg.usesLibraryFiles, 0, num); 4878 } else { 4879 pkg.usesLibraryFiles = null; 4880 } 4881 } 4882 return true; 4883 } 4884 4885 private static boolean hasString(List<String> list, List<String> which) { 4886 if (list == null) { 4887 return false; 4888 } 4889 for (int i=list.size()-1; i>=0; i--) { 4890 for (int j=which.size()-1; j>=0; j--) { 4891 if (which.get(j).equals(list.get(i))) { 4892 return true; 4893 } 4894 } 4895 } 4896 return false; 4897 } 4898 4899 private void updateAllSharedLibrariesLPw() { 4900 for (PackageParser.Package pkg : mPackages.values()) { 4901 updateSharedLibrariesLPw(pkg, null); 4902 } 4903 } 4904 4905 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4906 PackageParser.Package changingPkg) { 4907 ArrayList<PackageParser.Package> res = null; 4908 for (PackageParser.Package pkg : mPackages.values()) { 4909 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4910 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4911 if (res == null) { 4912 res = new ArrayList<PackageParser.Package>(); 4913 } 4914 res.add(pkg); 4915 updateSharedLibrariesLPw(pkg, changingPkg); 4916 } 4917 } 4918 return res; 4919 } 4920 4921 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4922 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4923 File scanFile = new File(pkg.mScanPath); 4924 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4925 pkg.applicationInfo.publicSourceDir == null) { 4926 // Bail out. The resource and code paths haven't been set. 4927 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4928 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4929 return null; 4930 } 4931 4932 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4933 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4934 } 4935 4936 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4937 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4938 } 4939 4940 if (mCustomResolverComponentName != null && 4941 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4942 setUpCustomResolverActivity(pkg); 4943 } 4944 4945 if (pkg.packageName.equals("android")) { 4946 synchronized (mPackages) { 4947 if (mAndroidApplication != null) { 4948 Slog.w(TAG, "*************************************************"); 4949 Slog.w(TAG, "Core android package being redefined. Skipping."); 4950 Slog.w(TAG, " file=" + scanFile); 4951 Slog.w(TAG, "*************************************************"); 4952 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4953 return null; 4954 } 4955 4956 // Set up information for our fall-back user intent resolution activity. 4957 mPlatformPackage = pkg; 4958 pkg.mVersionCode = mSdkVersion; 4959 mAndroidApplication = pkg.applicationInfo; 4960 4961 if (!mResolverReplaced) { 4962 mResolveActivity.applicationInfo = mAndroidApplication; 4963 mResolveActivity.name = ResolverActivity.class.getName(); 4964 mResolveActivity.packageName = mAndroidApplication.packageName; 4965 mResolveActivity.processName = "system:ui"; 4966 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4967 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4968 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4969 mResolveActivity.exported = true; 4970 mResolveActivity.enabled = true; 4971 mResolveInfo.activityInfo = mResolveActivity; 4972 mResolveInfo.priority = 0; 4973 mResolveInfo.preferredOrder = 0; 4974 mResolveInfo.match = 0; 4975 mResolveComponentName = new ComponentName( 4976 mAndroidApplication.packageName, mResolveActivity.name); 4977 } 4978 } 4979 } 4980 4981 if (DEBUG_PACKAGE_SCANNING) { 4982 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4983 Log.d(TAG, "Scanning package " + pkg.packageName); 4984 } 4985 4986 if (mPackages.containsKey(pkg.packageName) 4987 || mSharedLibraries.containsKey(pkg.packageName)) { 4988 Slog.w(TAG, "Application package " + pkg.packageName 4989 + " already installed. Skipping duplicate."); 4990 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4991 return null; 4992 } 4993 4994 // Initialize package source and resource directories 4995 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4996 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4997 4998 SharedUserSetting suid = null; 4999 PackageSetting pkgSetting = null; 5000 5001 if (!isSystemApp(pkg)) { 5002 // Only system apps can use these features. 5003 pkg.mOriginalPackages = null; 5004 pkg.mRealPackage = null; 5005 pkg.mAdoptPermissions = null; 5006 } 5007 5008 // writer 5009 synchronized (mPackages) { 5010 if (pkg.mSharedUserId != null) { 5011 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5012 if (suid == null) { 5013 Slog.w(TAG, "Creating application package " + pkg.packageName 5014 + " for shared user failed"); 5015 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5016 return null; 5017 } 5018 if (DEBUG_PACKAGE_SCANNING) { 5019 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5020 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5021 + "): packages=" + suid.packages); 5022 } 5023 } 5024 5025 // Check if we are renaming from an original package name. 5026 PackageSetting origPackage = null; 5027 String realName = null; 5028 if (pkg.mOriginalPackages != null) { 5029 // This package may need to be renamed to a previously 5030 // installed name. Let's check on that... 5031 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5032 if (pkg.mOriginalPackages.contains(renamed)) { 5033 // This package had originally been installed as the 5034 // original name, and we have already taken care of 5035 // transitioning to the new one. Just update the new 5036 // one to continue using the old name. 5037 realName = pkg.mRealPackage; 5038 if (!pkg.packageName.equals(renamed)) { 5039 // Callers into this function may have already taken 5040 // care of renaming the package; only do it here if 5041 // it is not already done. 5042 pkg.setPackageName(renamed); 5043 } 5044 5045 } else { 5046 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5047 if ((origPackage = mSettings.peekPackageLPr( 5048 pkg.mOriginalPackages.get(i))) != null) { 5049 // We do have the package already installed under its 5050 // original name... should we use it? 5051 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5052 // New package is not compatible with original. 5053 origPackage = null; 5054 continue; 5055 } else if (origPackage.sharedUser != null) { 5056 // Make sure uid is compatible between packages. 5057 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5058 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5059 + " to " + pkg.packageName + ": old uid " 5060 + origPackage.sharedUser.name 5061 + " differs from " + pkg.mSharedUserId); 5062 origPackage = null; 5063 continue; 5064 } 5065 } else { 5066 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5067 + pkg.packageName + " to old name " + origPackage.name); 5068 } 5069 break; 5070 } 5071 } 5072 } 5073 } 5074 5075 if (mTransferedPackages.contains(pkg.packageName)) { 5076 Slog.w(TAG, "Package " + pkg.packageName 5077 + " was transferred to another, but its .apk remains"); 5078 } 5079 5080 // Just create the setting, don't add it yet. For already existing packages 5081 // the PkgSetting exists already and doesn't have to be created. 5082 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5083 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 5084 pkg.applicationInfo.cpuAbi, 5085 pkg.applicationInfo.flags, user, false); 5086 if (pkgSetting == null) { 5087 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5088 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5089 return null; 5090 } 5091 5092 if (pkgSetting.origPackage != null) { 5093 // If we are first transitioning from an original package, 5094 // fix up the new package's name now. We need to do this after 5095 // looking up the package under its new name, so getPackageLP 5096 // can take care of fiddling things correctly. 5097 pkg.setPackageName(origPackage.name); 5098 5099 // File a report about this. 5100 String msg = "New package " + pkgSetting.realName 5101 + " renamed to replace old package " + pkgSetting.name; 5102 reportSettingsProblem(Log.WARN, msg); 5103 5104 // Make a note of it. 5105 mTransferedPackages.add(origPackage.name); 5106 5107 // No longer need to retain this. 5108 pkgSetting.origPackage = null; 5109 } 5110 5111 if (realName != null) { 5112 // Make a note of it. 5113 mTransferedPackages.add(pkg.packageName); 5114 } 5115 5116 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5117 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5118 } 5119 5120 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5121 // Check all shared libraries and map to their actual file path. 5122 // We only do this here for apps not on a system dir, because those 5123 // are the only ones that can fail an install due to this. We 5124 // will take care of the system apps by updating all of their 5125 // library paths after the scan is done. 5126 if (!updateSharedLibrariesLPw(pkg, null)) { 5127 return null; 5128 } 5129 } 5130 5131 if (mFoundPolicyFile) { 5132 SELinuxMMAC.assignSeinfoValue(pkg); 5133 } 5134 5135 pkg.applicationInfo.uid = pkgSetting.appId; 5136 pkg.mExtras = pkgSetting; 5137 5138 if (!verifySignaturesLP(pkgSetting, pkg)) { 5139 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5140 return null; 5141 } 5142 // The signature has changed, but this package is in the system 5143 // image... let's recover! 5144 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5145 // However... if this package is part of a shared user, but it 5146 // doesn't match the signature of the shared user, let's fail. 5147 // What this means is that you can't change the signatures 5148 // associated with an overall shared user, which doesn't seem all 5149 // that unreasonable. 5150 if (pkgSetting.sharedUser != null) { 5151 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5152 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5153 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5154 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5155 return null; 5156 } 5157 } 5158 // File a report about this. 5159 String msg = "System package " + pkg.packageName 5160 + " signature changed; retaining data."; 5161 reportSettingsProblem(Log.WARN, msg); 5162 } 5163 5164 // Verify that this new package doesn't have any content providers 5165 // that conflict with existing packages. Only do this if the 5166 // package isn't already installed, since we don't want to break 5167 // things that are installed. 5168 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5169 final int N = pkg.providers.size(); 5170 int i; 5171 for (i=0; i<N; i++) { 5172 PackageParser.Provider p = pkg.providers.get(i); 5173 if (p.info.authority != null) { 5174 String names[] = p.info.authority.split(";"); 5175 for (int j = 0; j < names.length; j++) { 5176 if (mProvidersByAuthority.containsKey(names[j])) { 5177 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5178 Slog.w(TAG, "Can't install because provider name " + names[j] + 5179 " (in package " + pkg.applicationInfo.packageName + 5180 ") is already used by " 5181 + ((other != null && other.getComponentName() != null) 5182 ? other.getComponentName().getPackageName() : "?")); 5183 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5184 return null; 5185 } 5186 } 5187 } 5188 } 5189 } 5190 5191 if (pkg.mAdoptPermissions != null) { 5192 // This package wants to adopt ownership of permissions from 5193 // another package. 5194 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5195 final String origName = pkg.mAdoptPermissions.get(i); 5196 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5197 if (orig != null) { 5198 if (verifyPackageUpdateLPr(orig, pkg)) { 5199 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5200 + pkg.packageName); 5201 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5202 } 5203 } 5204 } 5205 } 5206 } 5207 5208 final String pkgName = pkg.packageName; 5209 5210 final long scanFileTime = scanFile.lastModified(); 5211 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5212 pkg.applicationInfo.processName = fixProcessName( 5213 pkg.applicationInfo.packageName, 5214 pkg.applicationInfo.processName, 5215 pkg.applicationInfo.uid); 5216 5217 File dataPath; 5218 if (mPlatformPackage == pkg) { 5219 // The system package is special. 5220 dataPath = new File (Environment.getDataDirectory(), "system"); 5221 pkg.applicationInfo.dataDir = dataPath.getPath(); 5222 } else { 5223 // This is a normal package, need to make its data directory. 5224 dataPath = getDataPathForPackage(pkg.packageName, 0); 5225 5226 boolean uidError = false; 5227 5228 if (dataPath.exists()) { 5229 int currentUid = 0; 5230 try { 5231 StructStat stat = Os.stat(dataPath.getPath()); 5232 currentUid = stat.st_uid; 5233 } catch (ErrnoException e) { 5234 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5235 } 5236 5237 // If we have mismatched owners for the data path, we have a problem. 5238 if (currentUid != pkg.applicationInfo.uid) { 5239 boolean recovered = false; 5240 if (currentUid == 0) { 5241 // The directory somehow became owned by root. Wow. 5242 // This is probably because the system was stopped while 5243 // installd was in the middle of messing with its libs 5244 // directory. Ask installd to fix that. 5245 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5246 pkg.applicationInfo.uid); 5247 if (ret >= 0) { 5248 recovered = true; 5249 String msg = "Package " + pkg.packageName 5250 + " unexpectedly changed to uid 0; recovered to " + 5251 + pkg.applicationInfo.uid; 5252 reportSettingsProblem(Log.WARN, msg); 5253 } 5254 } 5255 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5256 || (scanMode&SCAN_BOOTING) != 0)) { 5257 // If this is a system app, we can at least delete its 5258 // current data so the application will still work. 5259 int ret = removeDataDirsLI(pkgName); 5260 if (ret >= 0) { 5261 // TODO: Kill the processes first 5262 // Old data gone! 5263 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5264 ? "System package " : "Third party package "; 5265 String msg = prefix + pkg.packageName 5266 + " has changed from uid: " 5267 + currentUid + " to " 5268 + pkg.applicationInfo.uid + "; old data erased"; 5269 reportSettingsProblem(Log.WARN, msg); 5270 recovered = true; 5271 5272 // And now re-install the app. 5273 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5274 pkg.applicationInfo.seinfo); 5275 if (ret == -1) { 5276 // Ack should not happen! 5277 msg = prefix + pkg.packageName 5278 + " could not have data directory re-created after delete."; 5279 reportSettingsProblem(Log.WARN, msg); 5280 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5281 return null; 5282 } 5283 } 5284 if (!recovered) { 5285 mHasSystemUidErrors = true; 5286 } 5287 } else if (!recovered) { 5288 // If we allow this install to proceed, we will be broken. 5289 // Abort, abort! 5290 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5291 return null; 5292 } 5293 if (!recovered) { 5294 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5295 + pkg.applicationInfo.uid + "/fs_" 5296 + currentUid; 5297 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5298 String msg = "Package " + pkg.packageName 5299 + " has mismatched uid: " 5300 + currentUid + " on disk, " 5301 + pkg.applicationInfo.uid + " in settings"; 5302 // writer 5303 synchronized (mPackages) { 5304 mSettings.mReadMessages.append(msg); 5305 mSettings.mReadMessages.append('\n'); 5306 uidError = true; 5307 if (!pkgSetting.uidError) { 5308 reportSettingsProblem(Log.ERROR, msg); 5309 } 5310 } 5311 } 5312 } 5313 pkg.applicationInfo.dataDir = dataPath.getPath(); 5314 if (mShouldRestoreconData) { 5315 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5316 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5317 pkg.applicationInfo.uid); 5318 } 5319 } else { 5320 if (DEBUG_PACKAGE_SCANNING) { 5321 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5322 Log.v(TAG, "Want this data dir: " + dataPath); 5323 } 5324 //invoke installer to do the actual installation 5325 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5326 pkg.applicationInfo.seinfo); 5327 if (ret < 0) { 5328 // Error from installer 5329 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5330 return null; 5331 } 5332 5333 if (dataPath.exists()) { 5334 pkg.applicationInfo.dataDir = dataPath.getPath(); 5335 } else { 5336 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5337 pkg.applicationInfo.dataDir = null; 5338 } 5339 } 5340 5341 /* 5342 * Set the data dir to the default "/data/data/<package name>/lib" 5343 * if we got here without anyone telling us different (e.g., apps 5344 * stored on SD card have their native libraries stored in the ASEC 5345 * container with the APK). 5346 * 5347 * This happens during an upgrade from a package settings file that 5348 * doesn't have a native library path attribute at all. 5349 */ 5350 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5351 if (pkgSetting.nativeLibraryPathString == null) { 5352 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5353 } else { 5354 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5355 } 5356 } 5357 pkgSetting.uidError = uidError; 5358 } 5359 5360 String path = scanFile.getPath(); 5361 /* Note: We don't want to unpack the native binaries for 5362 * system applications, unless they have been updated 5363 * (the binaries are already under /system/lib). 5364 * Also, don't unpack libs for apps on the external card 5365 * since they should have their libraries in the ASEC 5366 * container already. 5367 * 5368 * In other words, we're going to unpack the binaries 5369 * only for non-system apps and system app upgrades. 5370 */ 5371 if (pkg.applicationInfo.nativeLibraryDir != null) { 5372 try { 5373 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5374 final String dataPathString = dataPath.getCanonicalPath(); 5375 5376 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5377 /* 5378 * Upgrading from a previous version of the OS sometimes 5379 * leaves native libraries in the /data/data/<app>/lib 5380 * directory for system apps even when they shouldn't be. 5381 * Recent changes in the JNI library search path 5382 * necessitates we remove those to match previous behavior. 5383 */ 5384 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5385 Log.i(TAG, "removed obsolete native libraries for system package " 5386 + path); 5387 } 5388 5389 setInternalAppAbi(pkg, pkgSetting); 5390 } else { 5391 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5392 /* 5393 * Update native library dir if it starts with 5394 * /data/data 5395 */ 5396 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5397 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5398 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5399 } 5400 5401 try { 5402 int copyRet = copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir); 5403 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5404 Slog.e(TAG, "Unable to copy native libraries"); 5405 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5406 return null; 5407 } 5408 5409 // We've successfully copied native libraries across, so we make a 5410 // note of what ABI we're using 5411 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5412 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_ABIS[copyRet]; 5413 } else { 5414 pkg.applicationInfo.cpuAbi = null; 5415 } 5416 } catch (IOException e) { 5417 Slog.e(TAG, "Unable to copy native libraries", e); 5418 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5419 return null; 5420 } 5421 } else { 5422 // We don't have to copy the shared libraries if we're in the ASEC container 5423 // but we still need to scan the file to figure out what ABI the app needs. 5424 // 5425 // TODO: This duplicates work done in the default container service. It's possible 5426 // to clean this up but we'll need to change the interface between this service 5427 // and IMediaContainerService (but doing so will spread this logic out, rather 5428 // than centralizing it). 5429 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5430 final int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5431 if (abi >= 0) { 5432 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_ABIS[abi]; 5433 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5434 // Note that (non upgraded) system apps will not have any native 5435 // libraries bundled in their APK, but we're guaranteed not to be 5436 // such an app at this point. 5437 pkg.applicationInfo.cpuAbi = null; 5438 } else { 5439 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5440 return null; 5441 } 5442 handle.close(); 5443 } 5444 5445 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5446 final int[] userIds = sUserManager.getUserIds(); 5447 synchronized (mInstallLock) { 5448 for (int userId : userIds) { 5449 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5450 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5451 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5452 + ")"); 5453 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5454 return null; 5455 } 5456 } 5457 } 5458 } 5459 } catch (IOException ioe) { 5460 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5461 } 5462 } 5463 pkg.mScanPath = path; 5464 5465 if ((scanMode&SCAN_NO_DEX) == 0) { 5466 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5467 == DEX_OPT_FAILED) { 5468 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5469 removeDataDirsLI(pkg.packageName); 5470 } 5471 5472 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5473 return null; 5474 } 5475 } 5476 5477 if (mFactoryTest && pkg.requestedPermissions.contains( 5478 android.Manifest.permission.FACTORY_TEST)) { 5479 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5480 } 5481 5482 ArrayList<PackageParser.Package> clientLibPkgs = null; 5483 5484 // writer 5485 synchronized (mPackages) { 5486 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5487 // Only system apps can add new shared libraries. 5488 if (pkg.libraryNames != null) { 5489 for (int i=0; i<pkg.libraryNames.size(); i++) { 5490 String name = pkg.libraryNames.get(i); 5491 boolean allowed = false; 5492 if (isUpdatedSystemApp(pkg)) { 5493 // New library entries can only be added through the 5494 // system image. This is important to get rid of a lot 5495 // of nasty edge cases: for example if we allowed a non- 5496 // system update of the app to add a library, then uninstalling 5497 // the update would make the library go away, and assumptions 5498 // we made such as through app install filtering would now 5499 // have allowed apps on the device which aren't compatible 5500 // with it. Better to just have the restriction here, be 5501 // conservative, and create many fewer cases that can negatively 5502 // impact the user experience. 5503 final PackageSetting sysPs = mSettings 5504 .getDisabledSystemPkgLPr(pkg.packageName); 5505 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5506 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5507 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5508 allowed = true; 5509 allowed = true; 5510 break; 5511 } 5512 } 5513 } 5514 } else { 5515 allowed = true; 5516 } 5517 if (allowed) { 5518 if (!mSharedLibraries.containsKey(name)) { 5519 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5520 } else if (!name.equals(pkg.packageName)) { 5521 Slog.w(TAG, "Package " + pkg.packageName + " library " 5522 + name + " already exists; skipping"); 5523 } 5524 } else { 5525 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5526 + name + " that is not declared on system image; skipping"); 5527 } 5528 } 5529 if ((scanMode&SCAN_BOOTING) == 0) { 5530 // If we are not booting, we need to update any applications 5531 // that are clients of our shared library. If we are booting, 5532 // this will all be done once the scan is complete. 5533 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5534 } 5535 } 5536 } 5537 } 5538 5539 // We also need to dexopt any apps that are dependent on this library. Note that 5540 // if these fail, we should abort the install since installing the library will 5541 // result in some apps being broken. 5542 if (clientLibPkgs != null) { 5543 if ((scanMode&SCAN_NO_DEX) == 0) { 5544 for (int i=0; i<clientLibPkgs.size(); i++) { 5545 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5546 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5547 == DEX_OPT_FAILED) { 5548 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5549 removeDataDirsLI(pkg.packageName); 5550 } 5551 5552 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5553 return null; 5554 } 5555 } 5556 } 5557 } 5558 5559 // Request the ActivityManager to kill the process(only for existing packages) 5560 // so that we do not end up in a confused state while the user is still using the older 5561 // version of the application while the new one gets installed. 5562 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5563 // If the package lives in an asec, tell everyone that the container is going 5564 // away so they can clean up any references to its resources (which would prevent 5565 // vold from being able to unmount the asec) 5566 if (isForwardLocked(pkg) || isExternal(pkg)) { 5567 if (DEBUG_INSTALL) { 5568 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5569 } 5570 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5571 final ArrayList<String> pkgList = new ArrayList<String>(1); 5572 pkgList.add(pkg.applicationInfo.packageName); 5573 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5574 } 5575 5576 // Post the request that it be killed now that the going-away broadcast is en route 5577 killApplication(pkg.applicationInfo.packageName, 5578 pkg.applicationInfo.uid, "update pkg"); 5579 } 5580 5581 // Also need to kill any apps that are dependent on the library. 5582 if (clientLibPkgs != null) { 5583 for (int i=0; i<clientLibPkgs.size(); i++) { 5584 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5585 killApplication(clientPkg.applicationInfo.packageName, 5586 clientPkg.applicationInfo.uid, "update lib"); 5587 } 5588 } 5589 5590 // writer 5591 synchronized (mPackages) { 5592 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5593 // We don't do this here during boot because we can do it all 5594 // at once after scanning all existing packages. 5595 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5596 true, forceDex, (scanMode & SCAN_DEFER_DEX) != 0); 5597 } 5598 // We don't expect installation to fail beyond this point, 5599 if ((scanMode&SCAN_MONITOR) != 0) { 5600 mAppDirs.put(pkg.mPath, pkg); 5601 } 5602 // Add the new setting to mSettings 5603 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5604 // Add the new setting to mPackages 5605 mPackages.put(pkg.applicationInfo.packageName, pkg); 5606 // Make sure we don't accidentally delete its data. 5607 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5608 while (iter.hasNext()) { 5609 PackageCleanItem item = iter.next(); 5610 if (pkgName.equals(item.packageName)) { 5611 iter.remove(); 5612 } 5613 } 5614 5615 // Take care of first install / last update times. 5616 if (currentTime != 0) { 5617 if (pkgSetting.firstInstallTime == 0) { 5618 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5619 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5620 pkgSetting.lastUpdateTime = currentTime; 5621 } 5622 } else if (pkgSetting.firstInstallTime == 0) { 5623 // We need *something*. Take time time stamp of the file. 5624 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5625 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5626 if (scanFileTime != pkgSetting.timeStamp) { 5627 // A package on the system image has changed; consider this 5628 // to be an update. 5629 pkgSetting.lastUpdateTime = scanFileTime; 5630 } 5631 } 5632 5633 // Add the package's KeySets to the global KeySetManager 5634 KeySetManager ksm = mSettings.mKeySetManager; 5635 try { 5636 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5637 if (pkg.mKeySetMapping != null) { 5638 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5639 if (entry.getValue() != null) { 5640 ksm.addDefinedKeySetToPackage(pkg.packageName, 5641 entry.getValue(), entry.getKey()); 5642 } 5643 } 5644 } 5645 } catch (NullPointerException e) { 5646 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5647 } catch (IllegalArgumentException e) { 5648 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5649 } 5650 5651 int N = pkg.providers.size(); 5652 StringBuilder r = null; 5653 int i; 5654 for (i=0; i<N; i++) { 5655 PackageParser.Provider p = pkg.providers.get(i); 5656 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5657 p.info.processName, pkg.applicationInfo.uid); 5658 mProviders.addProvider(p); 5659 p.syncable = p.info.isSyncable; 5660 if (p.info.authority != null) { 5661 String names[] = p.info.authority.split(";"); 5662 p.info.authority = null; 5663 for (int j = 0; j < names.length; j++) { 5664 if (j == 1 && p.syncable) { 5665 // We only want the first authority for a provider to possibly be 5666 // syncable, so if we already added this provider using a different 5667 // authority clear the syncable flag. We copy the provider before 5668 // changing it because the mProviders object contains a reference 5669 // to a provider that we don't want to change. 5670 // Only do this for the second authority since the resulting provider 5671 // object can be the same for all future authorities for this provider. 5672 p = new PackageParser.Provider(p); 5673 p.syncable = false; 5674 } 5675 if (!mProvidersByAuthority.containsKey(names[j])) { 5676 mProvidersByAuthority.put(names[j], p); 5677 if (p.info.authority == null) { 5678 p.info.authority = names[j]; 5679 } else { 5680 p.info.authority = p.info.authority + ";" + names[j]; 5681 } 5682 if (DEBUG_PACKAGE_SCANNING) { 5683 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5684 Log.d(TAG, "Registered content provider: " + names[j] 5685 + ", className = " + p.info.name + ", isSyncable = " 5686 + p.info.isSyncable); 5687 } 5688 } else { 5689 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5690 Slog.w(TAG, "Skipping provider name " + names[j] + 5691 " (in package " + pkg.applicationInfo.packageName + 5692 "): name already used by " 5693 + ((other != null && other.getComponentName() != null) 5694 ? other.getComponentName().getPackageName() : "?")); 5695 } 5696 } 5697 } 5698 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5699 if (r == null) { 5700 r = new StringBuilder(256); 5701 } else { 5702 r.append(' '); 5703 } 5704 r.append(p.info.name); 5705 } 5706 } 5707 if (r != null) { 5708 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5709 } 5710 5711 N = pkg.services.size(); 5712 r = null; 5713 for (i=0; i<N; i++) { 5714 PackageParser.Service s = pkg.services.get(i); 5715 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5716 s.info.processName, pkg.applicationInfo.uid); 5717 mServices.addService(s); 5718 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5719 if (r == null) { 5720 r = new StringBuilder(256); 5721 } else { 5722 r.append(' '); 5723 } 5724 r.append(s.info.name); 5725 } 5726 } 5727 if (r != null) { 5728 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5729 } 5730 5731 N = pkg.receivers.size(); 5732 r = null; 5733 for (i=0; i<N; i++) { 5734 PackageParser.Activity a = pkg.receivers.get(i); 5735 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5736 a.info.processName, pkg.applicationInfo.uid); 5737 mReceivers.addActivity(a, "receiver"); 5738 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5739 if (r == null) { 5740 r = new StringBuilder(256); 5741 } else { 5742 r.append(' '); 5743 } 5744 r.append(a.info.name); 5745 } 5746 } 5747 if (r != null) { 5748 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5749 } 5750 5751 N = pkg.activities.size(); 5752 r = null; 5753 for (i=0; i<N; i++) { 5754 PackageParser.Activity a = pkg.activities.get(i); 5755 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5756 a.info.processName, pkg.applicationInfo.uid); 5757 mActivities.addActivity(a, "activity"); 5758 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5759 if (r == null) { 5760 r = new StringBuilder(256); 5761 } else { 5762 r.append(' '); 5763 } 5764 r.append(a.info.name); 5765 } 5766 } 5767 if (r != null) { 5768 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5769 } 5770 5771 N = pkg.permissionGroups.size(); 5772 r = null; 5773 for (i=0; i<N; i++) { 5774 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5775 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5776 if (cur == null) { 5777 mPermissionGroups.put(pg.info.name, pg); 5778 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5779 if (r == null) { 5780 r = new StringBuilder(256); 5781 } else { 5782 r.append(' '); 5783 } 5784 r.append(pg.info.name); 5785 } 5786 } else { 5787 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5788 + pg.info.packageName + " ignored: original from " 5789 + cur.info.packageName); 5790 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5791 if (r == null) { 5792 r = new StringBuilder(256); 5793 } else { 5794 r.append(' '); 5795 } 5796 r.append("DUP:"); 5797 r.append(pg.info.name); 5798 } 5799 } 5800 } 5801 if (r != null) { 5802 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5803 } 5804 5805 N = pkg.permissions.size(); 5806 r = null; 5807 for (i=0; i<N; i++) { 5808 PackageParser.Permission p = pkg.permissions.get(i); 5809 HashMap<String, BasePermission> permissionMap = 5810 p.tree ? mSettings.mPermissionTrees 5811 : mSettings.mPermissions; 5812 p.group = mPermissionGroups.get(p.info.group); 5813 if (p.info.group == null || p.group != null) { 5814 BasePermission bp = permissionMap.get(p.info.name); 5815 if (bp == null) { 5816 bp = new BasePermission(p.info.name, p.info.packageName, 5817 BasePermission.TYPE_NORMAL); 5818 permissionMap.put(p.info.name, bp); 5819 } 5820 if (bp.perm == null) { 5821 if (bp.sourcePackage != null 5822 && !bp.sourcePackage.equals(p.info.packageName)) { 5823 // If this is a permission that was formerly defined by a non-system 5824 // app, but is now defined by a system app (following an upgrade), 5825 // discard the previous declaration and consider the system's to be 5826 // canonical. 5827 if (isSystemApp(p.owner)) { 5828 String msg = "New decl " + p.owner + " of permission " 5829 + p.info.name + " is system"; 5830 reportSettingsProblem(Log.WARN, msg); 5831 bp.sourcePackage = null; 5832 } 5833 } 5834 if (bp.sourcePackage == null 5835 || bp.sourcePackage.equals(p.info.packageName)) { 5836 BasePermission tree = findPermissionTreeLP(p.info.name); 5837 if (tree == null 5838 || tree.sourcePackage.equals(p.info.packageName)) { 5839 bp.packageSetting = pkgSetting; 5840 bp.perm = p; 5841 bp.uid = pkg.applicationInfo.uid; 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(p.info.name); 5849 } 5850 } else { 5851 Slog.w(TAG, "Permission " + p.info.name + " from package " 5852 + p.info.packageName + " ignored: base tree " 5853 + tree.name + " is from package " 5854 + tree.sourcePackage); 5855 } 5856 } else { 5857 Slog.w(TAG, "Permission " + p.info.name + " from package " 5858 + p.info.packageName + " ignored: original from " 5859 + bp.sourcePackage); 5860 } 5861 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5862 if (r == null) { 5863 r = new StringBuilder(256); 5864 } else { 5865 r.append(' '); 5866 } 5867 r.append("DUP:"); 5868 r.append(p.info.name); 5869 } 5870 if (bp.perm == p) { 5871 bp.protectionLevel = p.info.protectionLevel; 5872 } 5873 } else { 5874 Slog.w(TAG, "Permission " + p.info.name + " from package " 5875 + p.info.packageName + " ignored: no group " 5876 + p.group); 5877 } 5878 } 5879 if (r != null) { 5880 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5881 } 5882 5883 N = pkg.instrumentation.size(); 5884 r = null; 5885 for (i=0; i<N; i++) { 5886 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5887 a.info.packageName = pkg.applicationInfo.packageName; 5888 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5889 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5890 a.info.dataDir = pkg.applicationInfo.dataDir; 5891 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5892 mInstrumentation.put(a.getComponentName(), a); 5893 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5894 if (r == null) { 5895 r = new StringBuilder(256); 5896 } else { 5897 r.append(' '); 5898 } 5899 r.append(a.info.name); 5900 } 5901 } 5902 if (r != null) { 5903 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5904 } 5905 5906 if (pkg.protectedBroadcasts != null) { 5907 N = pkg.protectedBroadcasts.size(); 5908 for (i=0; i<N; i++) { 5909 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5910 } 5911 } 5912 5913 pkgSetting.setTimeStamp(scanFileTime); 5914 5915 // Create idmap files for pairs of (packages, overlay packages). 5916 // Note: "android", ie framework-res.apk, is handled by native layers. 5917 if (pkg.mOverlayTarget != null) { 5918 // This is an overlay package. 5919 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5920 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5921 mOverlays.put(pkg.mOverlayTarget, 5922 new HashMap<String, PackageParser.Package>()); 5923 } 5924 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5925 map.put(pkg.packageName, pkg); 5926 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5927 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5928 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5929 return null; 5930 } 5931 } 5932 } else if (mOverlays.containsKey(pkg.packageName) && 5933 !pkg.packageName.equals("android")) { 5934 // This is a regular package, with one or more known overlay packages. 5935 createIdmapsForPackageLI(pkg); 5936 } 5937 } 5938 5939 return pkg; 5940 } 5941 5942 public void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5943 boolean doDexOpt, boolean forceDexOpt, boolean deferDexOpt) { 5944 String requiredInstructionSet = null; 5945 PackageSetting requirer = null; 5946 for (PackageSetting ps : packagesForUser) { 5947 if (ps.cpuAbiString != null) { 5948 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 5949 if (requiredInstructionSet != null) { 5950 if (!instructionSet.equals(requiredInstructionSet)) { 5951 // We have a mismatch between instruction sets (say arm vs arm64). 5952 // 5953 // TODO: We should rescan all the packages in a shared UID to check if 5954 // they do contain shared libs for other ABIs in addition to the ones we've 5955 // already extracted. For example, the package might contain both arm64-v8a 5956 // and armeabi-v7a shared libs, and we'd have chosen arm64-v8a on 64 bit 5957 // devices. 5958 String errorMessage = "Instruction set mismatch, " + requirer.pkg.packageName 5959 + " requires " + requiredInstructionSet + " whereas " + ps.pkg.packageName 5960 + " requires " + instructionSet; 5961 Slog.e(TAG, errorMessage); 5962 5963 reportSettingsProblem(Log.WARN, errorMessage); 5964 // Give up, don't bother making any other changes to the package settings. 5965 return; 5966 } 5967 } else { 5968 requiredInstructionSet = instructionSet; 5969 requirer = ps; 5970 } 5971 } 5972 } 5973 5974 if (requiredInstructionSet != null) { 5975 for (PackageSetting ps : packagesForUser) { 5976 if (ps.cpuAbiString == null) { 5977 ps.cpuAbiString = requirer.cpuAbiString; 5978 if (ps.pkg != null) { 5979 ps.pkg.applicationInfo.cpuAbi = requirer.cpuAbiString; 5980 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + ps.cpuAbiString); 5981 if (doDexOpt) { 5982 performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true); 5983 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 5984 } 5985 } 5986 } 5987 } 5988 } 5989 } 5990 5991 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5992 synchronized (mPackages) { 5993 mResolverReplaced = true; 5994 // Set up information for custom user intent resolution activity. 5995 mResolveActivity.applicationInfo = pkg.applicationInfo; 5996 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5997 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5998 mResolveActivity.processName = null; 5999 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6000 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6001 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6002 mResolveActivity.theme = 0; 6003 mResolveActivity.exported = true; 6004 mResolveActivity.enabled = true; 6005 mResolveInfo.activityInfo = mResolveActivity; 6006 mResolveInfo.priority = 0; 6007 mResolveInfo.preferredOrder = 0; 6008 mResolveInfo.match = 0; 6009 mResolveComponentName = mCustomResolverComponentName; 6010 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6011 mResolveComponentName); 6012 } 6013 } 6014 6015 private String calculateApkRoot(final String codePathString) { 6016 final File codePath = new File(codePathString); 6017 final File codeRoot; 6018 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6019 codeRoot = Environment.getRootDirectory(); 6020 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6021 codeRoot = Environment.getOemDirectory(); 6022 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6023 codeRoot = Environment.getVendorDirectory(); 6024 } else { 6025 // Unrecognized code path; take its top real segment as the apk root: 6026 // e.g. /something/app/blah.apk => /something 6027 try { 6028 File f = codePath.getCanonicalFile(); 6029 File parent = f.getParentFile(); // non-null because codePath is a file 6030 File tmp; 6031 while ((tmp = parent.getParentFile()) != null) { 6032 f = parent; 6033 parent = tmp; 6034 } 6035 codeRoot = f; 6036 Slog.w(TAG, "Unrecognized code path " 6037 + codePath + " - using " + codeRoot); 6038 } catch (IOException e) { 6039 // Can't canonicalize the lib path -- shenanigans? 6040 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6041 return Environment.getRootDirectory().getPath(); 6042 } 6043 } 6044 return codeRoot.getPath(); 6045 } 6046 6047 // This is the initial scan-time determination of how to handle a given 6048 // package for purposes of native library location. 6049 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6050 PackageSetting pkgSetting) { 6051 // "bundled" here means system-installed with no overriding update 6052 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6053 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6054 final File libDir; 6055 if (bundledApk) { 6056 // If "/system/lib64/apkname" exists, assume that is the per-package 6057 // native library directory to use; otherwise use "/system/lib/apkname". 6058 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6059 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6060 File packLib64 = new File(lib64, apkName); 6061 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6062 } else { 6063 libDir = mAppLibInstallDir; 6064 } 6065 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6066 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6067 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6068 } 6069 6070 // Deduces the required ABI of an upgraded system app. 6071 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6072 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6073 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6074 6075 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6076 // or similar. 6077 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6078 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6079 6080 // Assume that the bundled native libraries always correspond to the 6081 // most preferred 32 or 64 bit ABI. 6082 if (lib64.exists()) { 6083 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6084 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6085 } else if (lib.exists()) { 6086 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6087 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6088 } else { 6089 // This is the case where the app has no native code. 6090 pkg.applicationInfo.cpuAbi = null; 6091 pkgSetting.cpuAbiString = null; 6092 } 6093 } 6094 6095 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 6096 throws IOException { 6097 if (!nativeLibraryDir.isDirectory()) { 6098 nativeLibraryDir.delete(); 6099 6100 if (!nativeLibraryDir.mkdir()) { 6101 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6102 } 6103 6104 try { 6105 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6106 } catch (ErrnoException e) { 6107 throw new IOException("Cannot chmod native library directory " 6108 + nativeLibraryDir.getPath(), e); 6109 } 6110 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6111 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6112 } 6113 6114 /* 6115 * If this is an internal application or our nativeLibraryPath points to 6116 * the app-lib directory, unpack the libraries if necessary. 6117 */ 6118 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 6119 try { 6120 int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 6121 if (abi >= 0) { 6122 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6123 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6124 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6125 return copyRet; 6126 } 6127 } 6128 6129 return abi; 6130 } finally { 6131 handle.close(); 6132 } 6133 } 6134 6135 private void killApplication(String pkgName, int appId, String reason) { 6136 // Request the ActivityManager to kill the process(only for existing packages) 6137 // so that we do not end up in a confused state while the user is still using the older 6138 // version of the application while the new one gets installed. 6139 IActivityManager am = ActivityManagerNative.getDefault(); 6140 if (am != null) { 6141 try { 6142 am.killApplicationWithAppId(pkgName, appId, reason); 6143 } catch (RemoteException e) { 6144 } 6145 } 6146 } 6147 6148 void removePackageLI(PackageSetting ps, boolean chatty) { 6149 if (DEBUG_INSTALL) { 6150 if (chatty) 6151 Log.d(TAG, "Removing package " + ps.name); 6152 } 6153 6154 // writer 6155 synchronized (mPackages) { 6156 mPackages.remove(ps.name); 6157 if (ps.codePathString != null) { 6158 mAppDirs.remove(ps.codePathString); 6159 } 6160 6161 final PackageParser.Package pkg = ps.pkg; 6162 if (pkg != null) { 6163 cleanPackageDataStructuresLILPw(pkg, chatty); 6164 } 6165 } 6166 } 6167 6168 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6169 if (DEBUG_INSTALL) { 6170 if (chatty) 6171 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6172 } 6173 6174 // writer 6175 synchronized (mPackages) { 6176 mPackages.remove(pkg.applicationInfo.packageName); 6177 if (pkg.mPath != null) { 6178 mAppDirs.remove(pkg.mPath); 6179 } 6180 cleanPackageDataStructuresLILPw(pkg, chatty); 6181 } 6182 } 6183 6184 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6185 int N = pkg.providers.size(); 6186 StringBuilder r = null; 6187 int i; 6188 for (i=0; i<N; i++) { 6189 PackageParser.Provider p = pkg.providers.get(i); 6190 mProviders.removeProvider(p); 6191 if (p.info.authority == null) { 6192 6193 /* There was another ContentProvider with this authority when 6194 * this app was installed so this authority is null, 6195 * Ignore it as we don't have to unregister the provider. 6196 */ 6197 continue; 6198 } 6199 String names[] = p.info.authority.split(";"); 6200 for (int j = 0; j < names.length; j++) { 6201 if (mProvidersByAuthority.get(names[j]) == p) { 6202 mProvidersByAuthority.remove(names[j]); 6203 if (DEBUG_REMOVE) { 6204 if (chatty) 6205 Log.d(TAG, "Unregistered content provider: " + names[j] 6206 + ", className = " + p.info.name + ", isSyncable = " 6207 + p.info.isSyncable); 6208 } 6209 } 6210 } 6211 if (DEBUG_REMOVE && chatty) { 6212 if (r == null) { 6213 r = new StringBuilder(256); 6214 } else { 6215 r.append(' '); 6216 } 6217 r.append(p.info.name); 6218 } 6219 } 6220 if (r != null) { 6221 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6222 } 6223 6224 N = pkg.services.size(); 6225 r = null; 6226 for (i=0; i<N; i++) { 6227 PackageParser.Service s = pkg.services.get(i); 6228 mServices.removeService(s); 6229 if (chatty) { 6230 if (r == null) { 6231 r = new StringBuilder(256); 6232 } else { 6233 r.append(' '); 6234 } 6235 r.append(s.info.name); 6236 } 6237 } 6238 if (r != null) { 6239 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6240 } 6241 6242 N = pkg.receivers.size(); 6243 r = null; 6244 for (i=0; i<N; i++) { 6245 PackageParser.Activity a = pkg.receivers.get(i); 6246 mReceivers.removeActivity(a, "receiver"); 6247 if (DEBUG_REMOVE && chatty) { 6248 if (r == null) { 6249 r = new StringBuilder(256); 6250 } else { 6251 r.append(' '); 6252 } 6253 r.append(a.info.name); 6254 } 6255 } 6256 if (r != null) { 6257 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6258 } 6259 6260 N = pkg.activities.size(); 6261 r = null; 6262 for (i=0; i<N; i++) { 6263 PackageParser.Activity a = pkg.activities.get(i); 6264 mActivities.removeActivity(a, "activity"); 6265 if (DEBUG_REMOVE && chatty) { 6266 if (r == null) { 6267 r = new StringBuilder(256); 6268 } else { 6269 r.append(' '); 6270 } 6271 r.append(a.info.name); 6272 } 6273 } 6274 if (r != null) { 6275 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6276 } 6277 6278 N = pkg.permissions.size(); 6279 r = null; 6280 for (i=0; i<N; i++) { 6281 PackageParser.Permission p = pkg.permissions.get(i); 6282 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6283 if (bp == null) { 6284 bp = mSettings.mPermissionTrees.get(p.info.name); 6285 } 6286 if (bp != null && bp.perm == p) { 6287 bp.perm = null; 6288 if (DEBUG_REMOVE && chatty) { 6289 if (r == null) { 6290 r = new StringBuilder(256); 6291 } else { 6292 r.append(' '); 6293 } 6294 r.append(p.info.name); 6295 } 6296 } 6297 } 6298 if (r != null) { 6299 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6300 } 6301 6302 N = pkg.instrumentation.size(); 6303 r = null; 6304 for (i=0; i<N; i++) { 6305 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6306 mInstrumentation.remove(a.getComponentName()); 6307 if (DEBUG_REMOVE && chatty) { 6308 if (r == null) { 6309 r = new StringBuilder(256); 6310 } else { 6311 r.append(' '); 6312 } 6313 r.append(a.info.name); 6314 } 6315 } 6316 if (r != null) { 6317 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6318 } 6319 6320 r = null; 6321 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6322 // Only system apps can hold shared libraries. 6323 if (pkg.libraryNames != null) { 6324 for (i=0; i<pkg.libraryNames.size(); i++) { 6325 String name = pkg.libraryNames.get(i); 6326 SharedLibraryEntry cur = mSharedLibraries.get(name); 6327 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6328 mSharedLibraries.remove(name); 6329 if (DEBUG_REMOVE && chatty) { 6330 if (r == null) { 6331 r = new StringBuilder(256); 6332 } else { 6333 r.append(' '); 6334 } 6335 r.append(name); 6336 } 6337 } 6338 } 6339 } 6340 } 6341 if (r != null) { 6342 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6343 } 6344 } 6345 6346 private static final boolean isPackageFilename(String name) { 6347 return name != null && name.endsWith(".apk"); 6348 } 6349 6350 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6351 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6352 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6353 return true; 6354 } 6355 } 6356 return false; 6357 } 6358 6359 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6360 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6361 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6362 6363 private void updatePermissionsLPw(String changingPkg, 6364 PackageParser.Package pkgInfo, int flags) { 6365 // Make sure there are no dangling permission trees. 6366 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6367 while (it.hasNext()) { 6368 final BasePermission bp = it.next(); 6369 if (bp.packageSetting == null) { 6370 // We may not yet have parsed the package, so just see if 6371 // we still know about its settings. 6372 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6373 } 6374 if (bp.packageSetting == null) { 6375 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6376 + " from package " + bp.sourcePackage); 6377 it.remove(); 6378 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6379 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6380 Slog.i(TAG, "Removing old permission tree: " + bp.name 6381 + " from package " + bp.sourcePackage); 6382 flags |= UPDATE_PERMISSIONS_ALL; 6383 it.remove(); 6384 } 6385 } 6386 } 6387 6388 // Make sure all dynamic permissions have been assigned to a package, 6389 // and make sure there are no dangling permissions. 6390 it = mSettings.mPermissions.values().iterator(); 6391 while (it.hasNext()) { 6392 final BasePermission bp = it.next(); 6393 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6394 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6395 + bp.name + " pkg=" + bp.sourcePackage 6396 + " info=" + bp.pendingInfo); 6397 if (bp.packageSetting == null && bp.pendingInfo != null) { 6398 final BasePermission tree = findPermissionTreeLP(bp.name); 6399 if (tree != null && tree.perm != null) { 6400 bp.packageSetting = tree.packageSetting; 6401 bp.perm = new PackageParser.Permission(tree.perm.owner, 6402 new PermissionInfo(bp.pendingInfo)); 6403 bp.perm.info.packageName = tree.perm.info.packageName; 6404 bp.perm.info.name = bp.name; 6405 bp.uid = tree.uid; 6406 } 6407 } 6408 } 6409 if (bp.packageSetting == null) { 6410 // We may not yet have parsed the package, so just see if 6411 // we still know about its settings. 6412 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6413 } 6414 if (bp.packageSetting == null) { 6415 Slog.w(TAG, "Removing dangling permission: " + bp.name 6416 + " from package " + bp.sourcePackage); 6417 it.remove(); 6418 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6419 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6420 Slog.i(TAG, "Removing old permission: " + bp.name 6421 + " from package " + bp.sourcePackage); 6422 flags |= UPDATE_PERMISSIONS_ALL; 6423 it.remove(); 6424 } 6425 } 6426 } 6427 6428 // Now update the permissions for all packages, in particular 6429 // replace the granted permissions of the system packages. 6430 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6431 for (PackageParser.Package pkg : mPackages.values()) { 6432 if (pkg != pkgInfo) { 6433 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6434 } 6435 } 6436 } 6437 6438 if (pkgInfo != null) { 6439 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6440 } 6441 } 6442 6443 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6444 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6445 if (ps == null) { 6446 return; 6447 } 6448 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6449 HashSet<String> origPermissions = gp.grantedPermissions; 6450 boolean changedPermission = false; 6451 6452 if (replace) { 6453 ps.permissionsFixed = false; 6454 if (gp == ps) { 6455 origPermissions = new HashSet<String>(gp.grantedPermissions); 6456 gp.grantedPermissions.clear(); 6457 gp.gids = mGlobalGids; 6458 } 6459 } 6460 6461 if (gp.gids == null) { 6462 gp.gids = mGlobalGids; 6463 } 6464 6465 final int N = pkg.requestedPermissions.size(); 6466 for (int i=0; i<N; i++) { 6467 final String name = pkg.requestedPermissions.get(i); 6468 final boolean required = pkg.requestedPermissionsRequired.get(i); 6469 final BasePermission bp = mSettings.mPermissions.get(name); 6470 if (DEBUG_INSTALL) { 6471 if (gp != ps) { 6472 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6473 } 6474 } 6475 6476 if (bp == null || bp.packageSetting == null) { 6477 Slog.w(TAG, "Unknown permission " + name 6478 + " in package " + pkg.packageName); 6479 continue; 6480 } 6481 6482 final String perm = bp.name; 6483 boolean allowed; 6484 boolean allowedSig = false; 6485 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6486 if (level == PermissionInfo.PROTECTION_NORMAL 6487 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6488 // We grant a normal or dangerous permission if any of the following 6489 // are true: 6490 // 1) The permission is required 6491 // 2) The permission is optional, but was granted in the past 6492 // 3) The permission is optional, but was requested by an 6493 // app in /system (not /data) 6494 // 6495 // Otherwise, reject the permission. 6496 allowed = (required || origPermissions.contains(perm) 6497 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6498 } else if (bp.packageSetting == null) { 6499 // This permission is invalid; skip it. 6500 allowed = false; 6501 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6502 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6503 if (allowed) { 6504 allowedSig = true; 6505 } 6506 } else { 6507 allowed = false; 6508 } 6509 if (DEBUG_INSTALL) { 6510 if (gp != ps) { 6511 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6512 } 6513 } 6514 if (allowed) { 6515 if (!isSystemApp(ps) && ps.permissionsFixed) { 6516 // If this is an existing, non-system package, then 6517 // we can't add any new permissions to it. 6518 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6519 // Except... if this is a permission that was added 6520 // to the platform (note: need to only do this when 6521 // updating the platform). 6522 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6523 } 6524 } 6525 if (allowed) { 6526 if (!gp.grantedPermissions.contains(perm)) { 6527 changedPermission = true; 6528 gp.grantedPermissions.add(perm); 6529 gp.gids = appendInts(gp.gids, bp.gids); 6530 } else if (!ps.haveGids) { 6531 gp.gids = appendInts(gp.gids, bp.gids); 6532 } 6533 } else { 6534 Slog.w(TAG, "Not granting permission " + perm 6535 + " to package " + pkg.packageName 6536 + " because it was previously installed without"); 6537 } 6538 } else { 6539 if (gp.grantedPermissions.remove(perm)) { 6540 changedPermission = true; 6541 gp.gids = removeInts(gp.gids, bp.gids); 6542 Slog.i(TAG, "Un-granting permission " + perm 6543 + " from package " + pkg.packageName 6544 + " (protectionLevel=" + bp.protectionLevel 6545 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6546 + ")"); 6547 } else { 6548 Slog.w(TAG, "Not granting permission " + perm 6549 + " to package " + pkg.packageName 6550 + " (protectionLevel=" + bp.protectionLevel 6551 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6552 + ")"); 6553 } 6554 } 6555 } 6556 6557 if ((changedPermission || replace) && !ps.permissionsFixed && 6558 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6559 // This is the first that we have heard about this package, so the 6560 // permissions we have now selected are fixed until explicitly 6561 // changed. 6562 ps.permissionsFixed = true; 6563 } 6564 ps.haveGids = true; 6565 } 6566 6567 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6568 boolean allowed = false; 6569 final int NP = PackageParser.NEW_PERMISSIONS.length; 6570 for (int ip=0; ip<NP; ip++) { 6571 final PackageParser.NewPermissionInfo npi 6572 = PackageParser.NEW_PERMISSIONS[ip]; 6573 if (npi.name.equals(perm) 6574 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6575 allowed = true; 6576 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6577 + pkg.packageName); 6578 break; 6579 } 6580 } 6581 return allowed; 6582 } 6583 6584 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6585 BasePermission bp, HashSet<String> origPermissions) { 6586 boolean allowed; 6587 allowed = (compareSignatures( 6588 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6589 == PackageManager.SIGNATURE_MATCH) 6590 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6591 == PackageManager.SIGNATURE_MATCH); 6592 if (!allowed && (bp.protectionLevel 6593 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6594 if (isSystemApp(pkg)) { 6595 // For updated system applications, a system permission 6596 // is granted only if it had been defined by the original application. 6597 if (isUpdatedSystemApp(pkg)) { 6598 final PackageSetting sysPs = mSettings 6599 .getDisabledSystemPkgLPr(pkg.packageName); 6600 final GrantedPermissions origGp = sysPs.sharedUser != null 6601 ? sysPs.sharedUser : sysPs; 6602 6603 if (origGp.grantedPermissions.contains(perm)) { 6604 // If the original was granted this permission, we take 6605 // that grant decision as read and propagate it to the 6606 // update. 6607 allowed = true; 6608 } else { 6609 // The system apk may have been updated with an older 6610 // version of the one on the data partition, but which 6611 // granted a new system permission that it didn't have 6612 // before. In this case we do want to allow the app to 6613 // now get the new permission if the ancestral apk is 6614 // privileged to get it. 6615 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6616 for (int j=0; 6617 j<sysPs.pkg.requestedPermissions.size(); j++) { 6618 if (perm.equals( 6619 sysPs.pkg.requestedPermissions.get(j))) { 6620 allowed = true; 6621 break; 6622 } 6623 } 6624 } 6625 } 6626 } else { 6627 allowed = isPrivilegedApp(pkg); 6628 } 6629 } 6630 } 6631 if (!allowed && (bp.protectionLevel 6632 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6633 // For development permissions, a development permission 6634 // is granted only if it was already granted. 6635 allowed = origPermissions.contains(perm); 6636 } 6637 return allowed; 6638 } 6639 6640 final class ActivityIntentResolver 6641 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6642 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6643 boolean defaultOnly, int userId) { 6644 if (!sUserManager.exists(userId)) return null; 6645 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6646 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6647 } 6648 6649 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6650 int userId) { 6651 if (!sUserManager.exists(userId)) return null; 6652 mFlags = flags; 6653 return super.queryIntent(intent, resolvedType, 6654 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6655 } 6656 6657 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6658 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6659 if (!sUserManager.exists(userId)) return null; 6660 if (packageActivities == null) { 6661 return null; 6662 } 6663 mFlags = flags; 6664 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6665 final int N = packageActivities.size(); 6666 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6667 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6668 6669 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6670 for (int i = 0; i < N; ++i) { 6671 intentFilters = packageActivities.get(i).intents; 6672 if (intentFilters != null && intentFilters.size() > 0) { 6673 PackageParser.ActivityIntentInfo[] array = 6674 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6675 intentFilters.toArray(array); 6676 listCut.add(array); 6677 } 6678 } 6679 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6680 } 6681 6682 public final void addActivity(PackageParser.Activity a, String type) { 6683 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6684 mActivities.put(a.getComponentName(), a); 6685 if (DEBUG_SHOW_INFO) 6686 Log.v( 6687 TAG, " " + type + " " + 6688 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6689 if (DEBUG_SHOW_INFO) 6690 Log.v(TAG, " Class=" + a.info.name); 6691 final int NI = a.intents.size(); 6692 for (int j=0; j<NI; j++) { 6693 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6694 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6695 intent.setPriority(0); 6696 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6697 + a.className + " with priority > 0, forcing to 0"); 6698 } 6699 if (DEBUG_SHOW_INFO) { 6700 Log.v(TAG, " IntentFilter:"); 6701 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6702 } 6703 if (!intent.debugCheck()) { 6704 Log.w(TAG, "==> For Activity " + a.info.name); 6705 } 6706 addFilter(intent); 6707 } 6708 } 6709 6710 public final void removeActivity(PackageParser.Activity a, String type) { 6711 mActivities.remove(a.getComponentName()); 6712 if (DEBUG_SHOW_INFO) { 6713 Log.v(TAG, " " + type + " " 6714 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6715 : a.info.name) + ":"); 6716 Log.v(TAG, " Class=" + a.info.name); 6717 } 6718 final int NI = a.intents.size(); 6719 for (int j=0; j<NI; j++) { 6720 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6721 if (DEBUG_SHOW_INFO) { 6722 Log.v(TAG, " IntentFilter:"); 6723 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6724 } 6725 removeFilter(intent); 6726 } 6727 } 6728 6729 @Override 6730 protected boolean allowFilterResult( 6731 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6732 ActivityInfo filterAi = filter.activity.info; 6733 for (int i=dest.size()-1; i>=0; i--) { 6734 ActivityInfo destAi = dest.get(i).activityInfo; 6735 if (destAi.name == filterAi.name 6736 && destAi.packageName == filterAi.packageName) { 6737 return false; 6738 } 6739 } 6740 return true; 6741 } 6742 6743 @Override 6744 protected ActivityIntentInfo[] newArray(int size) { 6745 return new ActivityIntentInfo[size]; 6746 } 6747 6748 @Override 6749 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6750 if (!sUserManager.exists(userId)) return true; 6751 PackageParser.Package p = filter.activity.owner; 6752 if (p != null) { 6753 PackageSetting ps = (PackageSetting)p.mExtras; 6754 if (ps != null) { 6755 // System apps are never considered stopped for purposes of 6756 // filtering, because there may be no way for the user to 6757 // actually re-launch them. 6758 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6759 && ps.getStopped(userId); 6760 } 6761 } 6762 return false; 6763 } 6764 6765 @Override 6766 protected boolean isPackageForFilter(String packageName, 6767 PackageParser.ActivityIntentInfo info) { 6768 return packageName.equals(info.activity.owner.packageName); 6769 } 6770 6771 @Override 6772 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6773 int match, int userId) { 6774 if (!sUserManager.exists(userId)) return null; 6775 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6776 return null; 6777 } 6778 final PackageParser.Activity activity = info.activity; 6779 if (mSafeMode && (activity.info.applicationInfo.flags 6780 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6781 return null; 6782 } 6783 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6784 if (ps == null) { 6785 return null; 6786 } 6787 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6788 ps.readUserState(userId), userId); 6789 if (ai == null) { 6790 return null; 6791 } 6792 final ResolveInfo res = new ResolveInfo(); 6793 res.activityInfo = ai; 6794 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6795 res.filter = info; 6796 } 6797 res.priority = info.getPriority(); 6798 res.preferredOrder = activity.owner.mPreferredOrder; 6799 //System.out.println("Result: " + res.activityInfo.className + 6800 // " = " + res.priority); 6801 res.match = match; 6802 res.isDefault = info.hasDefault; 6803 res.labelRes = info.labelRes; 6804 res.nonLocalizedLabel = info.nonLocalizedLabel; 6805 res.icon = info.icon; 6806 res.system = isSystemApp(res.activityInfo.applicationInfo); 6807 return res; 6808 } 6809 6810 @Override 6811 protected void sortResults(List<ResolveInfo> results) { 6812 Collections.sort(results, mResolvePrioritySorter); 6813 } 6814 6815 @Override 6816 protected void dumpFilter(PrintWriter out, String prefix, 6817 PackageParser.ActivityIntentInfo filter) { 6818 out.print(prefix); out.print( 6819 Integer.toHexString(System.identityHashCode(filter.activity))); 6820 out.print(' '); 6821 filter.activity.printComponentShortName(out); 6822 out.print(" filter "); 6823 out.println(Integer.toHexString(System.identityHashCode(filter))); 6824 } 6825 6826// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6827// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6828// final List<ResolveInfo> retList = Lists.newArrayList(); 6829// while (i.hasNext()) { 6830// final ResolveInfo resolveInfo = i.next(); 6831// if (isEnabledLP(resolveInfo.activityInfo)) { 6832// retList.add(resolveInfo); 6833// } 6834// } 6835// return retList; 6836// } 6837 6838 // Keys are String (activity class name), values are Activity. 6839 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6840 = new HashMap<ComponentName, PackageParser.Activity>(); 6841 private int mFlags; 6842 } 6843 6844 private final class ServiceIntentResolver 6845 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6846 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6847 boolean defaultOnly, int userId) { 6848 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6849 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6850 } 6851 6852 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6853 int userId) { 6854 if (!sUserManager.exists(userId)) return null; 6855 mFlags = flags; 6856 return super.queryIntent(intent, resolvedType, 6857 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6858 } 6859 6860 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6861 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6862 if (!sUserManager.exists(userId)) return null; 6863 if (packageServices == null) { 6864 return null; 6865 } 6866 mFlags = flags; 6867 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6868 final int N = packageServices.size(); 6869 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6870 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6871 6872 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6873 for (int i = 0; i < N; ++i) { 6874 intentFilters = packageServices.get(i).intents; 6875 if (intentFilters != null && intentFilters.size() > 0) { 6876 PackageParser.ServiceIntentInfo[] array = 6877 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6878 intentFilters.toArray(array); 6879 listCut.add(array); 6880 } 6881 } 6882 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6883 } 6884 6885 public final void addService(PackageParser.Service s) { 6886 mServices.put(s.getComponentName(), s); 6887 if (DEBUG_SHOW_INFO) { 6888 Log.v(TAG, " " 6889 + (s.info.nonLocalizedLabel != null 6890 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6891 Log.v(TAG, " Class=" + s.info.name); 6892 } 6893 final int NI = s.intents.size(); 6894 int j; 6895 for (j=0; j<NI; j++) { 6896 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6897 if (DEBUG_SHOW_INFO) { 6898 Log.v(TAG, " IntentFilter:"); 6899 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6900 } 6901 if (!intent.debugCheck()) { 6902 Log.w(TAG, "==> For Service " + s.info.name); 6903 } 6904 addFilter(intent); 6905 } 6906 } 6907 6908 public final void removeService(PackageParser.Service s) { 6909 mServices.remove(s.getComponentName()); 6910 if (DEBUG_SHOW_INFO) { 6911 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6912 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6913 Log.v(TAG, " Class=" + s.info.name); 6914 } 6915 final int NI = s.intents.size(); 6916 int j; 6917 for (j=0; j<NI; j++) { 6918 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6919 if (DEBUG_SHOW_INFO) { 6920 Log.v(TAG, " IntentFilter:"); 6921 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6922 } 6923 removeFilter(intent); 6924 } 6925 } 6926 6927 @Override 6928 protected boolean allowFilterResult( 6929 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6930 ServiceInfo filterSi = filter.service.info; 6931 for (int i=dest.size()-1; i>=0; i--) { 6932 ServiceInfo destAi = dest.get(i).serviceInfo; 6933 if (destAi.name == filterSi.name 6934 && destAi.packageName == filterSi.packageName) { 6935 return false; 6936 } 6937 } 6938 return true; 6939 } 6940 6941 @Override 6942 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6943 return new PackageParser.ServiceIntentInfo[size]; 6944 } 6945 6946 @Override 6947 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6948 if (!sUserManager.exists(userId)) return true; 6949 PackageParser.Package p = filter.service.owner; 6950 if (p != null) { 6951 PackageSetting ps = (PackageSetting)p.mExtras; 6952 if (ps != null) { 6953 // System apps are never considered stopped for purposes of 6954 // filtering, because there may be no way for the user to 6955 // actually re-launch them. 6956 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6957 && ps.getStopped(userId); 6958 } 6959 } 6960 return false; 6961 } 6962 6963 @Override 6964 protected boolean isPackageForFilter(String packageName, 6965 PackageParser.ServiceIntentInfo info) { 6966 return packageName.equals(info.service.owner.packageName); 6967 } 6968 6969 @Override 6970 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6971 int match, int userId) { 6972 if (!sUserManager.exists(userId)) return null; 6973 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6974 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6975 return null; 6976 } 6977 final PackageParser.Service service = info.service; 6978 if (mSafeMode && (service.info.applicationInfo.flags 6979 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6980 return null; 6981 } 6982 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6983 if (ps == null) { 6984 return null; 6985 } 6986 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6987 ps.readUserState(userId), userId); 6988 if (si == null) { 6989 return null; 6990 } 6991 final ResolveInfo res = new ResolveInfo(); 6992 res.serviceInfo = si; 6993 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6994 res.filter = filter; 6995 } 6996 res.priority = info.getPriority(); 6997 res.preferredOrder = service.owner.mPreferredOrder; 6998 //System.out.println("Result: " + res.activityInfo.className + 6999 // " = " + res.priority); 7000 res.match = match; 7001 res.isDefault = info.hasDefault; 7002 res.labelRes = info.labelRes; 7003 res.nonLocalizedLabel = info.nonLocalizedLabel; 7004 res.icon = info.icon; 7005 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7006 return res; 7007 } 7008 7009 @Override 7010 protected void sortResults(List<ResolveInfo> results) { 7011 Collections.sort(results, mResolvePrioritySorter); 7012 } 7013 7014 @Override 7015 protected void dumpFilter(PrintWriter out, String prefix, 7016 PackageParser.ServiceIntentInfo filter) { 7017 out.print(prefix); out.print( 7018 Integer.toHexString(System.identityHashCode(filter.service))); 7019 out.print(' '); 7020 filter.service.printComponentShortName(out); 7021 out.print(" filter "); 7022 out.println(Integer.toHexString(System.identityHashCode(filter))); 7023 } 7024 7025// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7026// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7027// final List<ResolveInfo> retList = Lists.newArrayList(); 7028// while (i.hasNext()) { 7029// final ResolveInfo resolveInfo = (ResolveInfo) i; 7030// if (isEnabledLP(resolveInfo.serviceInfo)) { 7031// retList.add(resolveInfo); 7032// } 7033// } 7034// return retList; 7035// } 7036 7037 // Keys are String (activity class name), values are Activity. 7038 private final HashMap<ComponentName, PackageParser.Service> mServices 7039 = new HashMap<ComponentName, PackageParser.Service>(); 7040 private int mFlags; 7041 }; 7042 7043 private final class ProviderIntentResolver 7044 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7045 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7046 boolean defaultOnly, int userId) { 7047 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7048 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7049 } 7050 7051 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7052 int userId) { 7053 if (!sUserManager.exists(userId)) 7054 return null; 7055 mFlags = flags; 7056 return super.queryIntent(intent, resolvedType, 7057 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7058 } 7059 7060 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7061 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7062 if (!sUserManager.exists(userId)) 7063 return null; 7064 if (packageProviders == null) { 7065 return null; 7066 } 7067 mFlags = flags; 7068 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7069 final int N = packageProviders.size(); 7070 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7071 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7072 7073 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7074 for (int i = 0; i < N; ++i) { 7075 intentFilters = packageProviders.get(i).intents; 7076 if (intentFilters != null && intentFilters.size() > 0) { 7077 PackageParser.ProviderIntentInfo[] array = 7078 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7079 intentFilters.toArray(array); 7080 listCut.add(array); 7081 } 7082 } 7083 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7084 } 7085 7086 public final void addProvider(PackageParser.Provider p) { 7087 if (mProviders.containsKey(p.getComponentName())) { 7088 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7089 return; 7090 } 7091 7092 mProviders.put(p.getComponentName(), p); 7093 if (DEBUG_SHOW_INFO) { 7094 Log.v(TAG, " " 7095 + (p.info.nonLocalizedLabel != null 7096 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7097 Log.v(TAG, " Class=" + p.info.name); 7098 } 7099 final int NI = p.intents.size(); 7100 int j; 7101 for (j = 0; j < NI; j++) { 7102 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7103 if (DEBUG_SHOW_INFO) { 7104 Log.v(TAG, " IntentFilter:"); 7105 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7106 } 7107 if (!intent.debugCheck()) { 7108 Log.w(TAG, "==> For Provider " + p.info.name); 7109 } 7110 addFilter(intent); 7111 } 7112 } 7113 7114 public final void removeProvider(PackageParser.Provider p) { 7115 mProviders.remove(p.getComponentName()); 7116 if (DEBUG_SHOW_INFO) { 7117 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7118 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7119 Log.v(TAG, " Class=" + p.info.name); 7120 } 7121 final int NI = p.intents.size(); 7122 int j; 7123 for (j = 0; j < NI; j++) { 7124 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7125 if (DEBUG_SHOW_INFO) { 7126 Log.v(TAG, " IntentFilter:"); 7127 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7128 } 7129 removeFilter(intent); 7130 } 7131 } 7132 7133 @Override 7134 protected boolean allowFilterResult( 7135 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7136 ProviderInfo filterPi = filter.provider.info; 7137 for (int i = dest.size() - 1; i >= 0; i--) { 7138 ProviderInfo destPi = dest.get(i).providerInfo; 7139 if (destPi.name == filterPi.name 7140 && destPi.packageName == filterPi.packageName) { 7141 return false; 7142 } 7143 } 7144 return true; 7145 } 7146 7147 @Override 7148 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7149 return new PackageParser.ProviderIntentInfo[size]; 7150 } 7151 7152 @Override 7153 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7154 if (!sUserManager.exists(userId)) 7155 return true; 7156 PackageParser.Package p = filter.provider.owner; 7157 if (p != null) { 7158 PackageSetting ps = (PackageSetting) p.mExtras; 7159 if (ps != null) { 7160 // System apps are never considered stopped for purposes of 7161 // filtering, because there may be no way for the user to 7162 // actually re-launch them. 7163 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7164 && ps.getStopped(userId); 7165 } 7166 } 7167 return false; 7168 } 7169 7170 @Override 7171 protected boolean isPackageForFilter(String packageName, 7172 PackageParser.ProviderIntentInfo info) { 7173 return packageName.equals(info.provider.owner.packageName); 7174 } 7175 7176 @Override 7177 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7178 int match, int userId) { 7179 if (!sUserManager.exists(userId)) 7180 return null; 7181 final PackageParser.ProviderIntentInfo info = filter; 7182 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7183 return null; 7184 } 7185 final PackageParser.Provider provider = info.provider; 7186 if (mSafeMode && (provider.info.applicationInfo.flags 7187 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7188 return null; 7189 } 7190 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7191 if (ps == null) { 7192 return null; 7193 } 7194 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7195 ps.readUserState(userId), userId); 7196 if (pi == null) { 7197 return null; 7198 } 7199 final ResolveInfo res = new ResolveInfo(); 7200 res.providerInfo = pi; 7201 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7202 res.filter = filter; 7203 } 7204 res.priority = info.getPriority(); 7205 res.preferredOrder = provider.owner.mPreferredOrder; 7206 res.match = match; 7207 res.isDefault = info.hasDefault; 7208 res.labelRes = info.labelRes; 7209 res.nonLocalizedLabel = info.nonLocalizedLabel; 7210 res.icon = info.icon; 7211 res.system = isSystemApp(res.providerInfo.applicationInfo); 7212 return res; 7213 } 7214 7215 @Override 7216 protected void sortResults(List<ResolveInfo> results) { 7217 Collections.sort(results, mResolvePrioritySorter); 7218 } 7219 7220 @Override 7221 protected void dumpFilter(PrintWriter out, String prefix, 7222 PackageParser.ProviderIntentInfo filter) { 7223 out.print(prefix); 7224 out.print( 7225 Integer.toHexString(System.identityHashCode(filter.provider))); 7226 out.print(' '); 7227 filter.provider.printComponentShortName(out); 7228 out.print(" filter "); 7229 out.println(Integer.toHexString(System.identityHashCode(filter))); 7230 } 7231 7232 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7233 = new HashMap<ComponentName, PackageParser.Provider>(); 7234 private int mFlags; 7235 }; 7236 7237 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7238 new Comparator<ResolveInfo>() { 7239 public int compare(ResolveInfo r1, ResolveInfo r2) { 7240 int v1 = r1.priority; 7241 int v2 = r2.priority; 7242 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7243 if (v1 != v2) { 7244 return (v1 > v2) ? -1 : 1; 7245 } 7246 v1 = r1.preferredOrder; 7247 v2 = r2.preferredOrder; 7248 if (v1 != v2) { 7249 return (v1 > v2) ? -1 : 1; 7250 } 7251 if (r1.isDefault != r2.isDefault) { 7252 return r1.isDefault ? -1 : 1; 7253 } 7254 v1 = r1.match; 7255 v2 = r2.match; 7256 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7257 if (v1 != v2) { 7258 return (v1 > v2) ? -1 : 1; 7259 } 7260 if (r1.system != r2.system) { 7261 return r1.system ? -1 : 1; 7262 } 7263 return 0; 7264 } 7265 }; 7266 7267 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7268 new Comparator<ProviderInfo>() { 7269 public int compare(ProviderInfo p1, ProviderInfo p2) { 7270 final int v1 = p1.initOrder; 7271 final int v2 = p2.initOrder; 7272 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7273 } 7274 }; 7275 7276 static final void sendPackageBroadcast(String action, String pkg, 7277 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7278 int[] userIds) { 7279 IActivityManager am = ActivityManagerNative.getDefault(); 7280 if (am != null) { 7281 try { 7282 if (userIds == null) { 7283 userIds = am.getRunningUserIds(); 7284 } 7285 for (int id : userIds) { 7286 final Intent intent = new Intent(action, 7287 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7288 if (extras != null) { 7289 intent.putExtras(extras); 7290 } 7291 if (targetPkg != null) { 7292 intent.setPackage(targetPkg); 7293 } 7294 // Modify the UID when posting to other users 7295 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7296 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7297 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7298 intent.putExtra(Intent.EXTRA_UID, uid); 7299 } 7300 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7301 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7302 if (DEBUG_BROADCASTS) { 7303 RuntimeException here = new RuntimeException("here"); 7304 here.fillInStackTrace(); 7305 Slog.d(TAG, "Sending to user " + id + ": " 7306 + intent.toShortString(false, true, false, false) 7307 + " " + intent.getExtras(), here); 7308 } 7309 am.broadcastIntent(null, intent, null, finishedReceiver, 7310 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7311 finishedReceiver != null, false, id); 7312 } 7313 } catch (RemoteException ex) { 7314 } 7315 } 7316 } 7317 7318 /** 7319 * Check if the external storage media is available. This is true if there 7320 * is a mounted external storage medium or if the external storage is 7321 * emulated. 7322 */ 7323 private boolean isExternalMediaAvailable() { 7324 return mMediaMounted || Environment.isExternalStorageEmulated(); 7325 } 7326 7327 @Override 7328 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7329 // writer 7330 synchronized (mPackages) { 7331 if (!isExternalMediaAvailable()) { 7332 // If the external storage is no longer mounted at this point, 7333 // the caller may not have been able to delete all of this 7334 // packages files and can not delete any more. Bail. 7335 return null; 7336 } 7337 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7338 if (lastPackage != null) { 7339 pkgs.remove(lastPackage); 7340 } 7341 if (pkgs.size() > 0) { 7342 return pkgs.get(0); 7343 } 7344 } 7345 return null; 7346 } 7347 7348 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7349 if (false) { 7350 RuntimeException here = new RuntimeException("here"); 7351 here.fillInStackTrace(); 7352 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7353 + " andCode=" + andCode, here); 7354 } 7355 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7356 userId, andCode ? 1 : 0, packageName)); 7357 } 7358 7359 void startCleaningPackages() { 7360 // reader 7361 synchronized (mPackages) { 7362 if (!isExternalMediaAvailable()) { 7363 return; 7364 } 7365 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7366 return; 7367 } 7368 } 7369 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7370 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7371 IActivityManager am = ActivityManagerNative.getDefault(); 7372 if (am != null) { 7373 try { 7374 am.startService(null, intent, null, UserHandle.USER_OWNER); 7375 } catch (RemoteException e) { 7376 } 7377 } 7378 } 7379 7380 private final class AppDirObserver extends FileObserver { 7381 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7382 super(path, mask); 7383 mRootDir = path; 7384 mIsRom = isrom; 7385 mIsPrivileged = isPrivileged; 7386 } 7387 7388 public void onEvent(int event, String path) { 7389 String removedPackage = null; 7390 int removedAppId = -1; 7391 int[] removedUsers = null; 7392 String addedPackage = null; 7393 int addedAppId = -1; 7394 int[] addedUsers = null; 7395 7396 // TODO post a message to the handler to obtain serial ordering 7397 synchronized (mInstallLock) { 7398 String fullPathStr = null; 7399 File fullPath = null; 7400 if (path != null) { 7401 fullPath = new File(mRootDir, path); 7402 fullPathStr = fullPath.getPath(); 7403 } 7404 7405 if (DEBUG_APP_DIR_OBSERVER) 7406 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7407 7408 if (!isPackageFilename(path)) { 7409 if (DEBUG_APP_DIR_OBSERVER) 7410 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7411 return; 7412 } 7413 7414 // Ignore packages that are being installed or 7415 // have just been installed. 7416 if (ignoreCodePath(fullPathStr)) { 7417 return; 7418 } 7419 PackageParser.Package p = null; 7420 PackageSetting ps = null; 7421 // reader 7422 synchronized (mPackages) { 7423 p = mAppDirs.get(fullPathStr); 7424 if (p != null) { 7425 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7426 if (ps != null) { 7427 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7428 } else { 7429 removedUsers = sUserManager.getUserIds(); 7430 } 7431 } 7432 addedUsers = sUserManager.getUserIds(); 7433 } 7434 if ((event&REMOVE_EVENTS) != 0) { 7435 if (ps != null) { 7436 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7437 removePackageLI(ps, true); 7438 removedPackage = ps.name; 7439 removedAppId = ps.appId; 7440 } 7441 } 7442 7443 if ((event&ADD_EVENTS) != 0) { 7444 if (p == null) { 7445 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7446 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7447 if (mIsRom) { 7448 flags |= PackageParser.PARSE_IS_SYSTEM 7449 | PackageParser.PARSE_IS_SYSTEM_DIR; 7450 if (mIsPrivileged) { 7451 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7452 } 7453 } 7454 p = scanPackageLI(fullPath, flags, 7455 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7456 System.currentTimeMillis(), UserHandle.ALL); 7457 if (p != null) { 7458 /* 7459 * TODO this seems dangerous as the package may have 7460 * changed since we last acquired the mPackages 7461 * lock. 7462 */ 7463 // writer 7464 synchronized (mPackages) { 7465 updatePermissionsLPw(p.packageName, p, 7466 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7467 } 7468 addedPackage = p.applicationInfo.packageName; 7469 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7470 } 7471 } 7472 } 7473 7474 // reader 7475 synchronized (mPackages) { 7476 mSettings.writeLPr(); 7477 } 7478 } 7479 7480 if (removedPackage != null) { 7481 Bundle extras = new Bundle(1); 7482 extras.putInt(Intent.EXTRA_UID, removedAppId); 7483 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7484 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7485 extras, null, null, removedUsers); 7486 } 7487 if (addedPackage != null) { 7488 Bundle extras = new Bundle(1); 7489 extras.putInt(Intent.EXTRA_UID, addedAppId); 7490 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7491 extras, null, null, addedUsers); 7492 } 7493 } 7494 7495 private final String mRootDir; 7496 private final boolean mIsRom; 7497 private final boolean mIsPrivileged; 7498 } 7499 7500 /* 7501 * The old-style observer methods all just trampoline to the newer signature with 7502 * expanded install observer API. The older API continues to work but does not 7503 * supply the additional details of the Observer2 API. 7504 */ 7505 7506 /* Called when a downloaded package installation has been confirmed by the user */ 7507 public void installPackage( 7508 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7509 installPackageEtc(packageURI, observer, null, flags, null); 7510 } 7511 7512 /* Called when a downloaded package installation has been confirmed by the user */ 7513 @Override 7514 public void installPackage( 7515 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7516 final String installerPackageName) { 7517 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7518 installerPackageName, null, null, null); 7519 } 7520 7521 @Override 7522 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7523 int flags, String installerPackageName, Uri verificationURI, 7524 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7525 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7526 VerificationParams.NO_UID, manifestDigest); 7527 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7528 installerPackageName, verificationParams, encryptionParams); 7529 } 7530 7531 @Override 7532 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7533 IPackageInstallObserver observer, int flags, String installerPackageName, 7534 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7535 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7536 installerPackageName, verificationParams, encryptionParams); 7537 } 7538 7539 /* 7540 * And here are the "live" versions that take both observer arguments 7541 */ 7542 public void installPackageEtc( 7543 final Uri packageURI, final IPackageInstallObserver observer, 7544 IPackageInstallObserver2 observer2, final int flags) { 7545 installPackageEtc(packageURI, observer, observer2, flags, null); 7546 } 7547 7548 public void installPackageEtc( 7549 final Uri packageURI, final IPackageInstallObserver observer, 7550 final IPackageInstallObserver2 observer2, final int flags, 7551 final String installerPackageName) { 7552 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7553 installerPackageName, null, null, null); 7554 } 7555 7556 @Override 7557 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7558 IPackageInstallObserver2 observer2, 7559 int flags, String installerPackageName, Uri verificationURI, 7560 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7561 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7562 VerificationParams.NO_UID, manifestDigest); 7563 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7564 installerPackageName, verificationParams, encryptionParams); 7565 } 7566 7567 /* 7568 * All of the installPackage...*() methods redirect to this one for the master implementation 7569 */ 7570 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7571 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7572 int flags, String installerPackageName, 7573 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7574 if (observer == null && observer2 == null) { 7575 throw new IllegalArgumentException("No install observer supplied"); 7576 } 7577 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7578 null); 7579 7580 final int uid = Binder.getCallingUid(); 7581 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7582 try { 7583 if (observer != null) { 7584 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7585 } 7586 if (observer2 != null) { 7587 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7588 } 7589 } catch (RemoteException re) { 7590 } 7591 return; 7592 } 7593 7594 UserHandle user; 7595 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7596 user = UserHandle.ALL; 7597 } else { 7598 user = new UserHandle(UserHandle.getUserId(uid)); 7599 } 7600 7601 final int filteredFlags; 7602 7603 if (uid == Process.SHELL_UID || uid == 0) { 7604 if (DEBUG_INSTALL) { 7605 Slog.v(TAG, "Install from ADB"); 7606 } 7607 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7608 } else { 7609 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7610 } 7611 7612 verificationParams.setInstallerUid(uid); 7613 7614 final Message msg = mHandler.obtainMessage(INIT_COPY); 7615 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7616 installerPackageName, verificationParams, encryptionParams, user); 7617 mHandler.sendMessage(msg); 7618 } 7619 7620 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7621 Bundle extras = new Bundle(1); 7622 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7623 7624 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7625 packageName, extras, null, null, new int[] {userId}); 7626 try { 7627 IActivityManager am = ActivityManagerNative.getDefault(); 7628 final boolean isSystem = 7629 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7630 if (isSystem && am.isUserRunning(userId, false)) { 7631 // The just-installed/enabled app is bundled on the system, so presumed 7632 // to be able to run automatically without needing an explicit launch. 7633 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7634 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7635 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7636 .setPackage(packageName); 7637 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7638 android.app.AppOpsManager.OP_NONE, false, false, userId); 7639 } 7640 } catch (RemoteException e) { 7641 // shouldn't happen 7642 Slog.w(TAG, "Unable to bootstrap installed package", e); 7643 } 7644 } 7645 7646 @Override 7647 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7648 int userId) { 7649 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7650 PackageSetting pkgSetting; 7651 final int uid = Binder.getCallingUid(); 7652 if (UserHandle.getUserId(uid) != userId) { 7653 mContext.enforceCallingOrSelfPermission( 7654 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7655 "setApplicationBlockedSetting for user " + userId); 7656 } 7657 7658 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7659 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7660 return false; 7661 } 7662 7663 long callingId = Binder.clearCallingIdentity(); 7664 try { 7665 boolean sendAdded = false; 7666 boolean sendRemoved = false; 7667 // writer 7668 synchronized (mPackages) { 7669 pkgSetting = mSettings.mPackages.get(packageName); 7670 if (pkgSetting == null) { 7671 return false; 7672 } 7673 if (pkgSetting.getBlocked(userId) != blocked) { 7674 pkgSetting.setBlocked(blocked, userId); 7675 mSettings.writePackageRestrictionsLPr(userId); 7676 if (blocked) { 7677 sendRemoved = true; 7678 } else { 7679 sendAdded = true; 7680 } 7681 } 7682 } 7683 if (sendAdded) { 7684 sendPackageAddedForUser(packageName, pkgSetting, userId); 7685 return true; 7686 } 7687 if (sendRemoved) { 7688 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7689 "blocking pkg"); 7690 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7691 } 7692 } finally { 7693 Binder.restoreCallingIdentity(callingId); 7694 } 7695 return false; 7696 } 7697 7698 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7699 int userId) { 7700 final PackageRemovedInfo info = new PackageRemovedInfo(); 7701 info.removedPackage = packageName; 7702 info.removedUsers = new int[] {userId}; 7703 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7704 info.sendBroadcast(false, false, false); 7705 } 7706 7707 /** 7708 * Returns true if application is not found or there was an error. Otherwise it returns 7709 * the blocked state of the package for the given user. 7710 */ 7711 @Override 7712 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7713 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7714 PackageSetting pkgSetting; 7715 final int uid = Binder.getCallingUid(); 7716 if (UserHandle.getUserId(uid) != userId) { 7717 mContext.enforceCallingPermission( 7718 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7719 "getApplicationBlocked for user " + userId); 7720 } 7721 long callingId = Binder.clearCallingIdentity(); 7722 try { 7723 // writer 7724 synchronized (mPackages) { 7725 pkgSetting = mSettings.mPackages.get(packageName); 7726 if (pkgSetting == null) { 7727 return true; 7728 } 7729 return pkgSetting.getBlocked(userId); 7730 } 7731 } finally { 7732 Binder.restoreCallingIdentity(callingId); 7733 } 7734 } 7735 7736 /** 7737 * @hide 7738 */ 7739 @Override 7740 public int installExistingPackageAsUser(String packageName, int userId) { 7741 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7742 null); 7743 PackageSetting pkgSetting; 7744 final int uid = Binder.getCallingUid(); 7745 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7746 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7747 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7748 } 7749 7750 long callingId = Binder.clearCallingIdentity(); 7751 try { 7752 boolean sendAdded = false; 7753 Bundle extras = new Bundle(1); 7754 7755 // writer 7756 synchronized (mPackages) { 7757 pkgSetting = mSettings.mPackages.get(packageName); 7758 if (pkgSetting == null) { 7759 return PackageManager.INSTALL_FAILED_INVALID_URI; 7760 } 7761 if (!pkgSetting.getInstalled(userId)) { 7762 pkgSetting.setInstalled(true, userId); 7763 pkgSetting.setBlocked(false, userId); 7764 mSettings.writePackageRestrictionsLPr(userId); 7765 sendAdded = true; 7766 } 7767 } 7768 7769 if (sendAdded) { 7770 sendPackageAddedForUser(packageName, pkgSetting, userId); 7771 } 7772 } finally { 7773 Binder.restoreCallingIdentity(callingId); 7774 } 7775 7776 return PackageManager.INSTALL_SUCCEEDED; 7777 } 7778 7779 private boolean isUserRestricted(int userId, String restrictionKey) { 7780 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7781 if (restrictions.getBoolean(restrictionKey, false)) { 7782 Log.w(TAG, "User is restricted: " + restrictionKey); 7783 return true; 7784 } 7785 return false; 7786 } 7787 7788 @Override 7789 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7790 mContext.enforceCallingOrSelfPermission( 7791 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7792 "Only package verification agents can verify applications"); 7793 7794 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7795 final PackageVerificationResponse response = new PackageVerificationResponse( 7796 verificationCode, Binder.getCallingUid()); 7797 msg.arg1 = id; 7798 msg.obj = response; 7799 mHandler.sendMessage(msg); 7800 } 7801 7802 @Override 7803 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7804 long millisecondsToDelay) { 7805 mContext.enforceCallingOrSelfPermission( 7806 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7807 "Only package verification agents can extend verification timeouts"); 7808 7809 final PackageVerificationState state = mPendingVerification.get(id); 7810 final PackageVerificationResponse response = new PackageVerificationResponse( 7811 verificationCodeAtTimeout, Binder.getCallingUid()); 7812 7813 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7814 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7815 } 7816 if (millisecondsToDelay < 0) { 7817 millisecondsToDelay = 0; 7818 } 7819 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7820 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7821 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7822 } 7823 7824 if ((state != null) && !state.timeoutExtended()) { 7825 state.extendTimeout(); 7826 7827 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7828 msg.arg1 = id; 7829 msg.obj = response; 7830 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7831 } 7832 } 7833 7834 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7835 int verificationCode, UserHandle user) { 7836 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7837 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7838 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7839 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7840 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7841 7842 mContext.sendBroadcastAsUser(intent, user, 7843 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7844 } 7845 7846 private ComponentName matchComponentForVerifier(String packageName, 7847 List<ResolveInfo> receivers) { 7848 ActivityInfo targetReceiver = null; 7849 7850 final int NR = receivers.size(); 7851 for (int i = 0; i < NR; i++) { 7852 final ResolveInfo info = receivers.get(i); 7853 if (info.activityInfo == null) { 7854 continue; 7855 } 7856 7857 if (packageName.equals(info.activityInfo.packageName)) { 7858 targetReceiver = info.activityInfo; 7859 break; 7860 } 7861 } 7862 7863 if (targetReceiver == null) { 7864 return null; 7865 } 7866 7867 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7868 } 7869 7870 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7871 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7872 if (pkgInfo.verifiers.length == 0) { 7873 return null; 7874 } 7875 7876 final int N = pkgInfo.verifiers.length; 7877 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7878 for (int i = 0; i < N; i++) { 7879 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7880 7881 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7882 receivers); 7883 if (comp == null) { 7884 continue; 7885 } 7886 7887 final int verifierUid = getUidForVerifier(verifierInfo); 7888 if (verifierUid == -1) { 7889 continue; 7890 } 7891 7892 if (DEBUG_VERIFY) { 7893 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7894 + " with the correct signature"); 7895 } 7896 sufficientVerifiers.add(comp); 7897 verificationState.addSufficientVerifier(verifierUid); 7898 } 7899 7900 return sufficientVerifiers; 7901 } 7902 7903 private int getUidForVerifier(VerifierInfo verifierInfo) { 7904 synchronized (mPackages) { 7905 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7906 if (pkg == null) { 7907 return -1; 7908 } else if (pkg.mSignatures.length != 1) { 7909 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7910 + " has more than one signature; ignoring"); 7911 return -1; 7912 } 7913 7914 /* 7915 * If the public key of the package's signature does not match 7916 * our expected public key, then this is a different package and 7917 * we should skip. 7918 */ 7919 7920 final byte[] expectedPublicKey; 7921 try { 7922 final Signature verifierSig = pkg.mSignatures[0]; 7923 final PublicKey publicKey = verifierSig.getPublicKey(); 7924 expectedPublicKey = publicKey.getEncoded(); 7925 } catch (CertificateException e) { 7926 return -1; 7927 } 7928 7929 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7930 7931 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7932 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7933 + " does not have the expected public key; ignoring"); 7934 return -1; 7935 } 7936 7937 return pkg.applicationInfo.uid; 7938 } 7939 } 7940 7941 @Override 7942 public void finishPackageInstall(int token) { 7943 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7944 7945 if (DEBUG_INSTALL) { 7946 Slog.v(TAG, "BM finishing package install for " + token); 7947 } 7948 7949 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7950 mHandler.sendMessage(msg); 7951 } 7952 7953 /** 7954 * Get the verification agent timeout. 7955 * 7956 * @return verification timeout in milliseconds 7957 */ 7958 private long getVerificationTimeout() { 7959 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7960 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7961 DEFAULT_VERIFICATION_TIMEOUT); 7962 } 7963 7964 /** 7965 * Get the default verification agent response code. 7966 * 7967 * @return default verification response code 7968 */ 7969 private int getDefaultVerificationResponse() { 7970 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7971 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7972 DEFAULT_VERIFICATION_RESPONSE); 7973 } 7974 7975 /** 7976 * Check whether or not package verification has been enabled. 7977 * 7978 * @return true if verification should be performed 7979 */ 7980 private boolean isVerificationEnabled(int flags) { 7981 if (!DEFAULT_VERIFY_ENABLE) { 7982 return false; 7983 } 7984 7985 // Check if installing from ADB 7986 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7987 // Do not run verification in a test harness environment 7988 if (ActivityManager.isRunningInTestHarness()) { 7989 return false; 7990 } 7991 // Check if the developer does not want package verification for ADB installs 7992 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7993 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7994 return false; 7995 } 7996 } 7997 7998 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7999 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8000 } 8001 8002 /** 8003 * Get the "allow unknown sources" setting. 8004 * 8005 * @return the current "allow unknown sources" setting 8006 */ 8007 private int getUnknownSourcesSettings() { 8008 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8009 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8010 -1); 8011 } 8012 8013 @Override 8014 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8015 final int uid = Binder.getCallingUid(); 8016 // writer 8017 synchronized (mPackages) { 8018 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8019 if (targetPackageSetting == null) { 8020 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8021 } 8022 8023 PackageSetting installerPackageSetting; 8024 if (installerPackageName != null) { 8025 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8026 if (installerPackageSetting == null) { 8027 throw new IllegalArgumentException("Unknown installer package: " 8028 + installerPackageName); 8029 } 8030 } else { 8031 installerPackageSetting = null; 8032 } 8033 8034 Signature[] callerSignature; 8035 Object obj = mSettings.getUserIdLPr(uid); 8036 if (obj != null) { 8037 if (obj instanceof SharedUserSetting) { 8038 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8039 } else if (obj instanceof PackageSetting) { 8040 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8041 } else { 8042 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8043 } 8044 } else { 8045 throw new SecurityException("Unknown calling uid " + uid); 8046 } 8047 8048 // Verify: can't set installerPackageName to a package that is 8049 // not signed with the same cert as the caller. 8050 if (installerPackageSetting != null) { 8051 if (compareSignatures(callerSignature, 8052 installerPackageSetting.signatures.mSignatures) 8053 != PackageManager.SIGNATURE_MATCH) { 8054 throw new SecurityException( 8055 "Caller does not have same cert as new installer package " 8056 + installerPackageName); 8057 } 8058 } 8059 8060 // Verify: if target already has an installer package, it must 8061 // be signed with the same cert as the caller. 8062 if (targetPackageSetting.installerPackageName != null) { 8063 PackageSetting setting = mSettings.mPackages.get( 8064 targetPackageSetting.installerPackageName); 8065 // If the currently set package isn't valid, then it's always 8066 // okay to change it. 8067 if (setting != null) { 8068 if (compareSignatures(callerSignature, 8069 setting.signatures.mSignatures) 8070 != PackageManager.SIGNATURE_MATCH) { 8071 throw new SecurityException( 8072 "Caller does not have same cert as old installer package " 8073 + targetPackageSetting.installerPackageName); 8074 } 8075 } 8076 } 8077 8078 // Okay! 8079 targetPackageSetting.installerPackageName = installerPackageName; 8080 scheduleWriteSettingsLocked(); 8081 } 8082 } 8083 8084 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8085 // Queue up an async operation since the package installation may take a little while. 8086 mHandler.post(new Runnable() { 8087 public void run() { 8088 mHandler.removeCallbacks(this); 8089 // Result object to be returned 8090 PackageInstalledInfo res = new PackageInstalledInfo(); 8091 res.returnCode = currentStatus; 8092 res.uid = -1; 8093 res.pkg = null; 8094 res.removedInfo = new PackageRemovedInfo(); 8095 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8096 args.doPreInstall(res.returnCode); 8097 synchronized (mInstallLock) { 8098 installPackageLI(args, true, res); 8099 } 8100 args.doPostInstall(res.returnCode, res.uid); 8101 } 8102 8103 // A restore should be performed at this point if (a) the install 8104 // succeeded, (b) the operation is not an update, and (c) the new 8105 // package has a backupAgent defined. 8106 final boolean update = res.removedInfo.removedPackage != null; 8107 boolean doRestore = (!update 8108 && res.pkg != null 8109 && res.pkg.applicationInfo.backupAgentName != null); 8110 8111 // Set up the post-install work request bookkeeping. This will be used 8112 // and cleaned up by the post-install event handling regardless of whether 8113 // there's a restore pass performed. Token values are >= 1. 8114 int token; 8115 if (mNextInstallToken < 0) mNextInstallToken = 1; 8116 token = mNextInstallToken++; 8117 8118 PostInstallData data = new PostInstallData(args, res); 8119 mRunningInstalls.put(token, data); 8120 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8121 8122 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8123 // Pass responsibility to the Backup Manager. It will perform a 8124 // restore if appropriate, then pass responsibility back to the 8125 // Package Manager to run the post-install observer callbacks 8126 // and broadcasts. 8127 IBackupManager bm = IBackupManager.Stub.asInterface( 8128 ServiceManager.getService(Context.BACKUP_SERVICE)); 8129 if (bm != null) { 8130 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8131 + " to BM for possible restore"); 8132 try { 8133 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8134 } catch (RemoteException e) { 8135 // can't happen; the backup manager is local 8136 } catch (Exception e) { 8137 Slog.e(TAG, "Exception trying to enqueue restore", e); 8138 doRestore = false; 8139 } 8140 } else { 8141 Slog.e(TAG, "Backup Manager not found!"); 8142 doRestore = false; 8143 } 8144 } 8145 8146 if (!doRestore) { 8147 // No restore possible, or the Backup Manager was mysteriously not 8148 // available -- just fire the post-install work request directly. 8149 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8150 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8151 mHandler.sendMessage(msg); 8152 } 8153 } 8154 }); 8155 } 8156 8157 private abstract class HandlerParams { 8158 private static final int MAX_RETRIES = 4; 8159 8160 /** 8161 * Number of times startCopy() has been attempted and had a non-fatal 8162 * error. 8163 */ 8164 private int mRetries = 0; 8165 8166 /** User handle for the user requesting the information or installation. */ 8167 private final UserHandle mUser; 8168 8169 HandlerParams(UserHandle user) { 8170 mUser = user; 8171 } 8172 8173 UserHandle getUser() { 8174 return mUser; 8175 } 8176 8177 final boolean startCopy() { 8178 boolean res; 8179 try { 8180 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8181 8182 if (++mRetries > MAX_RETRIES) { 8183 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8184 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8185 handleServiceError(); 8186 return false; 8187 } else { 8188 handleStartCopy(); 8189 res = true; 8190 } 8191 } catch (RemoteException e) { 8192 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8193 mHandler.sendEmptyMessage(MCS_RECONNECT); 8194 res = false; 8195 } 8196 handleReturnCode(); 8197 return res; 8198 } 8199 8200 final void serviceError() { 8201 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8202 handleServiceError(); 8203 handleReturnCode(); 8204 } 8205 8206 abstract void handleStartCopy() throws RemoteException; 8207 abstract void handleServiceError(); 8208 abstract void handleReturnCode(); 8209 } 8210 8211 class MeasureParams extends HandlerParams { 8212 private final PackageStats mStats; 8213 private boolean mSuccess; 8214 8215 private final IPackageStatsObserver mObserver; 8216 8217 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8218 super(new UserHandle(stats.userHandle)); 8219 mObserver = observer; 8220 mStats = stats; 8221 } 8222 8223 @Override 8224 public String toString() { 8225 return "MeasureParams{" 8226 + Integer.toHexString(System.identityHashCode(this)) 8227 + " " + mStats.packageName + "}"; 8228 } 8229 8230 @Override 8231 void handleStartCopy() throws RemoteException { 8232 synchronized (mInstallLock) { 8233 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8234 } 8235 8236 if (mSuccess) { 8237 final boolean mounted; 8238 if (Environment.isExternalStorageEmulated()) { 8239 mounted = true; 8240 } else { 8241 final String status = Environment.getExternalStorageState(); 8242 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8243 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8244 } 8245 8246 if (mounted) { 8247 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8248 8249 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8250 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8251 8252 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8253 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8254 8255 // Always subtract cache size, since it's a subdirectory 8256 mStats.externalDataSize -= mStats.externalCacheSize; 8257 8258 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8259 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8260 8261 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8262 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8263 } 8264 } 8265 } 8266 8267 @Override 8268 void handleReturnCode() { 8269 if (mObserver != null) { 8270 try { 8271 mObserver.onGetStatsCompleted(mStats, mSuccess); 8272 } catch (RemoteException e) { 8273 Slog.i(TAG, "Observer no longer exists."); 8274 } 8275 } 8276 } 8277 8278 @Override 8279 void handleServiceError() { 8280 Slog.e(TAG, "Could not measure application " + mStats.packageName 8281 + " external storage"); 8282 } 8283 } 8284 8285 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8286 throws RemoteException { 8287 long result = 0; 8288 for (File path : paths) { 8289 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8290 } 8291 return result; 8292 } 8293 8294 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8295 for (File path : paths) { 8296 try { 8297 mcs.clearDirectory(path.getAbsolutePath()); 8298 } catch (RemoteException e) { 8299 } 8300 } 8301 } 8302 8303 class InstallParams extends HandlerParams { 8304 final IPackageInstallObserver observer; 8305 final IPackageInstallObserver2 observer2; 8306 int flags; 8307 8308 private final Uri mPackageURI; 8309 final String installerPackageName; 8310 final VerificationParams verificationParams; 8311 private InstallArgs mArgs; 8312 private int mRet; 8313 private File mTempPackage; 8314 final ContainerEncryptionParams encryptionParams; 8315 8316 InstallParams(Uri packageURI, 8317 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8318 int flags, String installerPackageName, VerificationParams verificationParams, 8319 ContainerEncryptionParams encryptionParams, UserHandle user) { 8320 super(user); 8321 this.mPackageURI = packageURI; 8322 this.flags = flags; 8323 this.observer = observer; 8324 this.observer2 = observer2; 8325 this.installerPackageName = installerPackageName; 8326 this.verificationParams = verificationParams; 8327 this.encryptionParams = encryptionParams; 8328 } 8329 8330 @Override 8331 public String toString() { 8332 return "InstallParams{" 8333 + Integer.toHexString(System.identityHashCode(this)) 8334 + " " + mPackageURI + "}"; 8335 } 8336 8337 public ManifestDigest getManifestDigest() { 8338 if (verificationParams == null) { 8339 return null; 8340 } 8341 return verificationParams.getManifestDigest(); 8342 } 8343 8344 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8345 String packageName = pkgLite.packageName; 8346 int installLocation = pkgLite.installLocation; 8347 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8348 // reader 8349 synchronized (mPackages) { 8350 PackageParser.Package pkg = mPackages.get(packageName); 8351 if (pkg != null) { 8352 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8353 // Check for downgrading. 8354 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8355 if (pkgLite.versionCode < pkg.mVersionCode) { 8356 Slog.w(TAG, "Can't install update of " + packageName 8357 + " update version " + pkgLite.versionCode 8358 + " is older than installed version " 8359 + pkg.mVersionCode); 8360 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8361 } 8362 } 8363 // Check for updated system application. 8364 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8365 if (onSd) { 8366 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8367 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8368 } 8369 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8370 } else { 8371 if (onSd) { 8372 // Install flag overrides everything. 8373 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8374 } 8375 // If current upgrade specifies particular preference 8376 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8377 // Application explicitly specified internal. 8378 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8379 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8380 // App explictly prefers external. Let policy decide 8381 } else { 8382 // Prefer previous location 8383 if (isExternal(pkg)) { 8384 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8385 } 8386 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8387 } 8388 } 8389 } else { 8390 // Invalid install. Return error code 8391 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8392 } 8393 } 8394 } 8395 // All the special cases have been taken care of. 8396 // Return result based on recommended install location. 8397 if (onSd) { 8398 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8399 } 8400 return pkgLite.recommendedInstallLocation; 8401 } 8402 8403 private long getMemoryLowThreshold() { 8404 final DeviceStorageMonitorInternal 8405 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8406 if (dsm == null) { 8407 return 0L; 8408 } 8409 return dsm.getMemoryLowThreshold(); 8410 } 8411 8412 /* 8413 * Invoke remote method to get package information and install 8414 * location values. Override install location based on default 8415 * policy if needed and then create install arguments based 8416 * on the install location. 8417 */ 8418 public void handleStartCopy() throws RemoteException { 8419 int ret = PackageManager.INSTALL_SUCCEEDED; 8420 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8421 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8422 PackageInfoLite pkgLite = null; 8423 8424 if (onInt && onSd) { 8425 // Check if both bits are set. 8426 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8427 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8428 } else { 8429 final long lowThreshold = getMemoryLowThreshold(); 8430 if (lowThreshold == 0L) { 8431 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8432 } 8433 8434 try { 8435 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8436 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8437 8438 final File packageFile; 8439 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8440 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8441 if (mTempPackage != null) { 8442 ParcelFileDescriptor out; 8443 try { 8444 out = ParcelFileDescriptor.open(mTempPackage, 8445 ParcelFileDescriptor.MODE_READ_WRITE); 8446 } catch (FileNotFoundException e) { 8447 out = null; 8448 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8449 } 8450 8451 // Make a temporary file for decryption. 8452 ret = mContainerService 8453 .copyResource(mPackageURI, encryptionParams, out); 8454 IoUtils.closeQuietly(out); 8455 8456 packageFile = mTempPackage; 8457 8458 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8459 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8460 | FileUtils.S_IROTH, 8461 -1, -1); 8462 } else { 8463 packageFile = null; 8464 } 8465 } else { 8466 packageFile = new File(mPackageURI.getPath()); 8467 } 8468 8469 if (packageFile != null) { 8470 // Remote call to find out default install location 8471 final String packageFilePath = packageFile.getAbsolutePath(); 8472 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8473 lowThreshold); 8474 8475 /* 8476 * If we have too little free space, try to free cache 8477 * before giving up. 8478 */ 8479 if (pkgLite.recommendedInstallLocation 8480 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8481 final long size = mContainerService.calculateInstalledSize( 8482 packageFilePath, isForwardLocked()); 8483 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8484 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8485 flags, lowThreshold); 8486 } 8487 /* 8488 * The cache free must have deleted the file we 8489 * downloaded to install. 8490 * 8491 * TODO: fix the "freeCache" call to not delete 8492 * the file we care about. 8493 */ 8494 if (pkgLite.recommendedInstallLocation 8495 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8496 pkgLite.recommendedInstallLocation 8497 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8498 } 8499 } 8500 } 8501 } finally { 8502 mContext.revokeUriPermission(mPackageURI, 8503 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8504 } 8505 } 8506 8507 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8508 int loc = pkgLite.recommendedInstallLocation; 8509 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8510 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8511 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8512 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8513 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8514 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8515 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8516 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8517 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8518 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8519 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8520 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8521 } else { 8522 // Override with defaults if needed. 8523 loc = installLocationPolicy(pkgLite, flags); 8524 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8525 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8526 } else if (!onSd && !onInt) { 8527 // Override install location with flags 8528 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8529 // Set the flag to install on external media. 8530 flags |= PackageManager.INSTALL_EXTERNAL; 8531 flags &= ~PackageManager.INSTALL_INTERNAL; 8532 } else { 8533 // Make sure the flag for installing on external 8534 // media is unset 8535 flags |= PackageManager.INSTALL_INTERNAL; 8536 flags &= ~PackageManager.INSTALL_EXTERNAL; 8537 } 8538 } 8539 } 8540 } 8541 8542 final InstallArgs args = createInstallArgs(this); 8543 mArgs = args; 8544 8545 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8546 /* 8547 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8548 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8549 */ 8550 int userIdentifier = getUser().getIdentifier(); 8551 if (userIdentifier == UserHandle.USER_ALL 8552 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8553 userIdentifier = UserHandle.USER_OWNER; 8554 } 8555 8556 /* 8557 * Determine if we have any installed package verifiers. If we 8558 * do, then we'll defer to them to verify the packages. 8559 */ 8560 final int requiredUid = mRequiredVerifierPackage == null ? -1 8561 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8562 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8563 final Intent verification = new Intent( 8564 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8565 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8566 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8567 8568 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8569 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8570 0 /* TODO: Which userId? */); 8571 8572 if (DEBUG_VERIFY) { 8573 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8574 + verification.toString() + " with " + pkgLite.verifiers.length 8575 + " optional verifiers"); 8576 } 8577 8578 final int verificationId = mPendingVerificationToken++; 8579 8580 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8581 8582 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8583 installerPackageName); 8584 8585 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8586 8587 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8588 pkgLite.packageName); 8589 8590 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8591 pkgLite.versionCode); 8592 8593 if (verificationParams != null) { 8594 if (verificationParams.getVerificationURI() != null) { 8595 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8596 verificationParams.getVerificationURI()); 8597 } 8598 if (verificationParams.getOriginatingURI() != null) { 8599 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8600 verificationParams.getOriginatingURI()); 8601 } 8602 if (verificationParams.getReferrer() != null) { 8603 verification.putExtra(Intent.EXTRA_REFERRER, 8604 verificationParams.getReferrer()); 8605 } 8606 if (verificationParams.getOriginatingUid() >= 0) { 8607 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8608 verificationParams.getOriginatingUid()); 8609 } 8610 if (verificationParams.getInstallerUid() >= 0) { 8611 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8612 verificationParams.getInstallerUid()); 8613 } 8614 } 8615 8616 final PackageVerificationState verificationState = new PackageVerificationState( 8617 requiredUid, args); 8618 8619 mPendingVerification.append(verificationId, verificationState); 8620 8621 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8622 receivers, verificationState); 8623 8624 /* 8625 * If any sufficient verifiers were listed in the package 8626 * manifest, attempt to ask them. 8627 */ 8628 if (sufficientVerifiers != null) { 8629 final int N = sufficientVerifiers.size(); 8630 if (N == 0) { 8631 Slog.i(TAG, "Additional verifiers required, but none installed."); 8632 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8633 } else { 8634 for (int i = 0; i < N; i++) { 8635 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8636 8637 final Intent sufficientIntent = new Intent(verification); 8638 sufficientIntent.setComponent(verifierComponent); 8639 8640 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8641 } 8642 } 8643 } 8644 8645 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8646 mRequiredVerifierPackage, receivers); 8647 if (ret == PackageManager.INSTALL_SUCCEEDED 8648 && mRequiredVerifierPackage != null) { 8649 /* 8650 * Send the intent to the required verification agent, 8651 * but only start the verification timeout after the 8652 * target BroadcastReceivers have run. 8653 */ 8654 verification.setComponent(requiredVerifierComponent); 8655 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8656 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8657 new BroadcastReceiver() { 8658 @Override 8659 public void onReceive(Context context, Intent intent) { 8660 final Message msg = mHandler 8661 .obtainMessage(CHECK_PENDING_VERIFICATION); 8662 msg.arg1 = verificationId; 8663 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8664 } 8665 }, null, 0, null, null); 8666 8667 /* 8668 * We don't want the copy to proceed until verification 8669 * succeeds, so null out this field. 8670 */ 8671 mArgs = null; 8672 } 8673 } else { 8674 /* 8675 * No package verification is enabled, so immediately start 8676 * the remote call to initiate copy using temporary file. 8677 */ 8678 ret = args.copyApk(mContainerService, true); 8679 } 8680 } 8681 8682 mRet = ret; 8683 } 8684 8685 @Override 8686 void handleReturnCode() { 8687 // If mArgs is null, then MCS couldn't be reached. When it 8688 // reconnects, it will try again to install. At that point, this 8689 // will succeed. 8690 if (mArgs != null) { 8691 processPendingInstall(mArgs, mRet); 8692 8693 if (mTempPackage != null) { 8694 if (!mTempPackage.delete()) { 8695 Slog.w(TAG, "Couldn't delete temporary file: " + 8696 mTempPackage.getAbsolutePath()); 8697 } 8698 } 8699 } 8700 } 8701 8702 @Override 8703 void handleServiceError() { 8704 mArgs = createInstallArgs(this); 8705 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8706 } 8707 8708 public boolean isForwardLocked() { 8709 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8710 } 8711 8712 public Uri getPackageUri() { 8713 if (mTempPackage != null) { 8714 return Uri.fromFile(mTempPackage); 8715 } else { 8716 return mPackageURI; 8717 } 8718 } 8719 } 8720 8721 /* 8722 * Utility class used in movePackage api. 8723 * srcArgs and targetArgs are not set for invalid flags and make 8724 * sure to do null checks when invoking methods on them. 8725 * We probably want to return ErrorPrams for both failed installs 8726 * and moves. 8727 */ 8728 class MoveParams extends HandlerParams { 8729 final IPackageMoveObserver observer; 8730 final int flags; 8731 final String packageName; 8732 final InstallArgs srcArgs; 8733 final InstallArgs targetArgs; 8734 int uid; 8735 int mRet; 8736 8737 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8738 String packageName, String dataDir, String instructionSet, 8739 int uid, UserHandle user) { 8740 super(user); 8741 this.srcArgs = srcArgs; 8742 this.observer = observer; 8743 this.flags = flags; 8744 this.packageName = packageName; 8745 this.uid = uid; 8746 if (srcArgs != null) { 8747 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8748 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8749 } else { 8750 targetArgs = null; 8751 } 8752 } 8753 8754 @Override 8755 public String toString() { 8756 return "MoveParams{" 8757 + Integer.toHexString(System.identityHashCode(this)) 8758 + " " + packageName + "}"; 8759 } 8760 8761 public void handleStartCopy() throws RemoteException { 8762 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8763 // Check for storage space on target medium 8764 if (!targetArgs.checkFreeStorage(mContainerService)) { 8765 Log.w(TAG, "Insufficient storage to install"); 8766 return; 8767 } 8768 8769 mRet = srcArgs.doPreCopy(); 8770 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8771 return; 8772 } 8773 8774 mRet = targetArgs.copyApk(mContainerService, false); 8775 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8776 srcArgs.doPostCopy(uid); 8777 return; 8778 } 8779 8780 mRet = srcArgs.doPostCopy(uid); 8781 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8782 return; 8783 } 8784 8785 mRet = targetArgs.doPreInstall(mRet); 8786 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8787 return; 8788 } 8789 8790 if (DEBUG_SD_INSTALL) { 8791 StringBuilder builder = new StringBuilder(); 8792 if (srcArgs != null) { 8793 builder.append("src: "); 8794 builder.append(srcArgs.getCodePath()); 8795 } 8796 if (targetArgs != null) { 8797 builder.append(" target : "); 8798 builder.append(targetArgs.getCodePath()); 8799 } 8800 Log.i(TAG, builder.toString()); 8801 } 8802 } 8803 8804 @Override 8805 void handleReturnCode() { 8806 targetArgs.doPostInstall(mRet, uid); 8807 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8808 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8809 currentStatus = PackageManager.MOVE_SUCCEEDED; 8810 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8811 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8812 } 8813 processPendingMove(this, currentStatus); 8814 } 8815 8816 @Override 8817 void handleServiceError() { 8818 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8819 } 8820 } 8821 8822 /** 8823 * Used during creation of InstallArgs 8824 * 8825 * @param flags package installation flags 8826 * @return true if should be installed on external storage 8827 */ 8828 private static boolean installOnSd(int flags) { 8829 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8830 return false; 8831 } 8832 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8833 return true; 8834 } 8835 return false; 8836 } 8837 8838 /** 8839 * Used during creation of InstallArgs 8840 * 8841 * @param flags package installation flags 8842 * @return true if should be installed as forward locked 8843 */ 8844 private static boolean installForwardLocked(int flags) { 8845 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8846 } 8847 8848 private InstallArgs createInstallArgs(InstallParams params) { 8849 if (installOnSd(params.flags) || params.isForwardLocked()) { 8850 return new AsecInstallArgs(params); 8851 } else { 8852 return new FileInstallArgs(params); 8853 } 8854 } 8855 8856 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8857 String nativeLibraryPath, String instructionSet) { 8858 final boolean isInAsec; 8859 if (installOnSd(flags)) { 8860 /* Apps on SD card are always in ASEC containers. */ 8861 isInAsec = true; 8862 } else if (installForwardLocked(flags) 8863 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8864 /* 8865 * Forward-locked apps are only in ASEC containers if they're the 8866 * new style 8867 */ 8868 isInAsec = true; 8869 } else { 8870 isInAsec = false; 8871 } 8872 8873 if (isInAsec) { 8874 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8875 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8876 } else { 8877 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8878 instructionSet); 8879 } 8880 } 8881 8882 // Used by package mover 8883 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8884 String instructionSet) { 8885 if (installOnSd(flags) || installForwardLocked(flags)) { 8886 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8887 + AsecInstallArgs.RES_FILE_NAME); 8888 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8889 installForwardLocked(flags)); 8890 } else { 8891 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8892 } 8893 } 8894 8895 static abstract class InstallArgs { 8896 final IPackageInstallObserver observer; 8897 final IPackageInstallObserver2 observer2; 8898 // Always refers to PackageManager flags only 8899 final int flags; 8900 final Uri packageURI; 8901 final String installerPackageName; 8902 final ManifestDigest manifestDigest; 8903 final UserHandle user; 8904 final String instructionSet; 8905 8906 InstallArgs(Uri packageURI, 8907 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8908 int flags, String installerPackageName, ManifestDigest manifestDigest, 8909 UserHandle user, String instructionSet) { 8910 this.packageURI = packageURI; 8911 this.flags = flags; 8912 this.observer = observer; 8913 this.observer2 = observer2; 8914 this.installerPackageName = installerPackageName; 8915 this.manifestDigest = manifestDigest; 8916 this.user = user; 8917 this.instructionSet = instructionSet; 8918 } 8919 8920 abstract void createCopyFile(); 8921 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8922 abstract int doPreInstall(int status); 8923 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8924 8925 abstract int doPostInstall(int status, int uid); 8926 abstract String getCodePath(); 8927 abstract String getResourcePath(); 8928 abstract String getNativeLibraryPath(); 8929 // Need installer lock especially for dex file removal. 8930 abstract void cleanUpResourcesLI(); 8931 abstract boolean doPostDeleteLI(boolean delete); 8932 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8933 8934 /** 8935 * Called before the source arguments are copied. This is used mostly 8936 * for MoveParams when it needs to read the source file to put it in the 8937 * destination. 8938 */ 8939 int doPreCopy() { 8940 return PackageManager.INSTALL_SUCCEEDED; 8941 } 8942 8943 /** 8944 * Called after the source arguments are copied. This is used mostly for 8945 * MoveParams when it needs to read the source file to put it in the 8946 * destination. 8947 * 8948 * @return 8949 */ 8950 int doPostCopy(int uid) { 8951 return PackageManager.INSTALL_SUCCEEDED; 8952 } 8953 8954 protected boolean isFwdLocked() { 8955 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8956 } 8957 8958 UserHandle getUser() { 8959 return user; 8960 } 8961 } 8962 8963 class FileInstallArgs extends InstallArgs { 8964 File installDir; 8965 String codeFileName; 8966 String resourceFileName; 8967 String libraryPath; 8968 boolean created = false; 8969 8970 FileInstallArgs(InstallParams params) { 8971 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 8972 params.installerPackageName, params.getManifestDigest(), 8973 params.getUser(), null /* instruction set */); 8974 } 8975 8976 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8977 String instructionSet) { 8978 super(null, null, null, 0, null, null, null, instructionSet); 8979 File codeFile = new File(fullCodePath); 8980 installDir = codeFile.getParentFile(); 8981 codeFileName = fullCodePath; 8982 resourceFileName = fullResourcePath; 8983 libraryPath = nativeLibraryPath; 8984 } 8985 8986 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 8987 super(packageURI, null, null, 0, null, null, null, instructionSet); 8988 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8989 String apkName = getNextCodePath(null, pkgName, ".apk"); 8990 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8991 resourceFileName = getResourcePathFromCodePath(); 8992 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8993 } 8994 8995 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8996 final long lowThreshold; 8997 8998 final DeviceStorageMonitorInternal 8999 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9000 if (dsm == null) { 9001 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9002 lowThreshold = 0L; 9003 } else { 9004 if (dsm.isMemoryLow()) { 9005 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9006 return false; 9007 } 9008 9009 lowThreshold = dsm.getMemoryLowThreshold(); 9010 } 9011 9012 try { 9013 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9014 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9015 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9016 } finally { 9017 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9018 } 9019 } 9020 9021 String getCodePath() { 9022 return codeFileName; 9023 } 9024 9025 void createCopyFile() { 9026 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9027 codeFileName = createTempPackageFile(installDir).getPath(); 9028 resourceFileName = getResourcePathFromCodePath(); 9029 libraryPath = getLibraryPathFromCodePath(); 9030 created = true; 9031 } 9032 9033 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9034 if (temp) { 9035 // Generate temp file name 9036 createCopyFile(); 9037 } 9038 // Get a ParcelFileDescriptor to write to the output file 9039 File codeFile = new File(codeFileName); 9040 if (!created) { 9041 try { 9042 codeFile.createNewFile(); 9043 // Set permissions 9044 if (!setPermissions()) { 9045 // Failed setting permissions. 9046 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9047 } 9048 } catch (IOException e) { 9049 Slog.w(TAG, "Failed to create file " + codeFile); 9050 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9051 } 9052 } 9053 ParcelFileDescriptor out = null; 9054 try { 9055 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9056 } catch (FileNotFoundException e) { 9057 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9058 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9059 } 9060 // Copy the resource now 9061 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9062 try { 9063 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9064 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9065 ret = imcs.copyResource(packageURI, null, out); 9066 } finally { 9067 IoUtils.closeQuietly(out); 9068 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9069 } 9070 9071 if (isFwdLocked()) { 9072 final File destResourceFile = new File(getResourcePath()); 9073 9074 // Copy the public files 9075 try { 9076 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9077 } catch (IOException e) { 9078 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9079 + " forward-locked app."); 9080 destResourceFile.delete(); 9081 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9082 } 9083 } 9084 9085 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9086 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9087 if (nativeLibraryFile.exists()) { 9088 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9089 nativeLibraryFile.delete(); 9090 } 9091 try { 9092 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 9093 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9094 return copyRet; 9095 } 9096 } catch (IOException e) { 9097 Slog.e(TAG, "Copying native libraries failed", e); 9098 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9099 } 9100 9101 return ret; 9102 } 9103 9104 int doPreInstall(int status) { 9105 if (status != PackageManager.INSTALL_SUCCEEDED) { 9106 cleanUp(); 9107 } 9108 return status; 9109 } 9110 9111 boolean doRename(int status, final String pkgName, String oldCodePath) { 9112 if (status != PackageManager.INSTALL_SUCCEEDED) { 9113 cleanUp(); 9114 return false; 9115 } else { 9116 final File oldCodeFile = new File(getCodePath()); 9117 final File oldResourceFile = new File(getResourcePath()); 9118 final File oldLibraryFile = new File(getNativeLibraryPath()); 9119 9120 // Rename APK file based on packageName 9121 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9122 final File newCodeFile = new File(installDir, apkName + ".apk"); 9123 if (!oldCodeFile.renameTo(newCodeFile)) { 9124 return false; 9125 } 9126 codeFileName = newCodeFile.getPath(); 9127 9128 // Rename public resource file if it's forward-locked. 9129 final File newResFile = new File(getResourcePathFromCodePath()); 9130 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9131 return false; 9132 } 9133 resourceFileName = newResFile.getPath(); 9134 9135 // Rename library path 9136 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9137 if (newLibraryFile.exists()) { 9138 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9139 newLibraryFile.delete(); 9140 } 9141 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9142 Slog.e(TAG, "Cannot rename native library directory " 9143 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9144 return false; 9145 } 9146 libraryPath = newLibraryFile.getPath(); 9147 9148 // Attempt to set permissions 9149 if (!setPermissions()) { 9150 return false; 9151 } 9152 9153 if (!SELinux.restorecon(newCodeFile)) { 9154 return false; 9155 } 9156 9157 return true; 9158 } 9159 } 9160 9161 int doPostInstall(int status, int uid) { 9162 if (status != PackageManager.INSTALL_SUCCEEDED) { 9163 cleanUp(); 9164 } 9165 return status; 9166 } 9167 9168 String getResourcePath() { 9169 return resourceFileName; 9170 } 9171 9172 private String getResourcePathFromCodePath() { 9173 final String codePath = getCodePath(); 9174 if (isFwdLocked()) { 9175 final StringBuilder sb = new StringBuilder(); 9176 9177 sb.append(mAppInstallDir.getPath()); 9178 sb.append('/'); 9179 sb.append(getApkName(codePath)); 9180 sb.append(".zip"); 9181 9182 /* 9183 * If our APK is a temporary file, mark the resource as a 9184 * temporary file as well so it can be cleaned up after 9185 * catastrophic failure. 9186 */ 9187 if (codePath.endsWith(".tmp")) { 9188 sb.append(".tmp"); 9189 } 9190 9191 return sb.toString(); 9192 } else { 9193 return codePath; 9194 } 9195 } 9196 9197 private String getLibraryPathFromCodePath() { 9198 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9199 } 9200 9201 @Override 9202 String getNativeLibraryPath() { 9203 if (libraryPath == null) { 9204 libraryPath = getLibraryPathFromCodePath(); 9205 } 9206 return libraryPath; 9207 } 9208 9209 private boolean cleanUp() { 9210 boolean ret = true; 9211 String sourceDir = getCodePath(); 9212 String publicSourceDir = getResourcePath(); 9213 if (sourceDir != null) { 9214 File sourceFile = new File(sourceDir); 9215 if (!sourceFile.exists()) { 9216 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9217 ret = false; 9218 } 9219 // Delete application's code and resources 9220 sourceFile.delete(); 9221 } 9222 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9223 final File publicSourceFile = new File(publicSourceDir); 9224 if (!publicSourceFile.exists()) { 9225 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9226 } 9227 if (publicSourceFile.exists()) { 9228 publicSourceFile.delete(); 9229 } 9230 } 9231 9232 if (libraryPath != null) { 9233 File nativeLibraryFile = new File(libraryPath); 9234 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9235 if (!nativeLibraryFile.delete()) { 9236 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9237 } 9238 } 9239 9240 return ret; 9241 } 9242 9243 void cleanUpResourcesLI() { 9244 String sourceDir = getCodePath(); 9245 if (cleanUp()) { 9246 if (instructionSet == null) { 9247 throw new IllegalStateException("instructionSet == null"); 9248 } 9249 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9250 if (retCode < 0) { 9251 Slog.w(TAG, "Couldn't remove dex file for package: " 9252 + " at location " 9253 + sourceDir + ", retcode=" + retCode); 9254 // we don't consider this to be a failure of the core package deletion 9255 } 9256 } 9257 } 9258 9259 private boolean setPermissions() { 9260 // TODO Do this in a more elegant way later on. for now just a hack 9261 if (!isFwdLocked()) { 9262 final int filePermissions = 9263 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9264 |FileUtils.S_IROTH; 9265 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9266 if (retCode != 0) { 9267 Slog.e(TAG, "Couldn't set new package file permissions for " + 9268 getCodePath() 9269 + ". The return code was: " + retCode); 9270 // TODO Define new internal error 9271 return false; 9272 } 9273 return true; 9274 } 9275 return true; 9276 } 9277 9278 boolean doPostDeleteLI(boolean delete) { 9279 // XXX err, shouldn't we respect the delete flag? 9280 cleanUpResourcesLI(); 9281 return true; 9282 } 9283 } 9284 9285 private boolean isAsecExternal(String cid) { 9286 final String asecPath = PackageHelper.getSdFilesystem(cid); 9287 return !asecPath.startsWith(mAsecInternalPath); 9288 } 9289 9290 /** 9291 * Extract the MountService "container ID" from the full code path of an 9292 * .apk. 9293 */ 9294 static String cidFromCodePath(String fullCodePath) { 9295 int eidx = fullCodePath.lastIndexOf("/"); 9296 String subStr1 = fullCodePath.substring(0, eidx); 9297 int sidx = subStr1.lastIndexOf("/"); 9298 return subStr1.substring(sidx+1, eidx); 9299 } 9300 9301 class AsecInstallArgs extends InstallArgs { 9302 static final String RES_FILE_NAME = "pkg.apk"; 9303 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9304 9305 String cid; 9306 String packagePath; 9307 String resourcePath; 9308 String libraryPath; 9309 9310 AsecInstallArgs(InstallParams params) { 9311 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9312 params.installerPackageName, params.getManifestDigest(), 9313 params.getUser(), null /* instruction set */); 9314 } 9315 9316 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9317 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9318 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9319 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9320 null, null, null, instructionSet); 9321 // Extract cid from fullCodePath 9322 int eidx = fullCodePath.lastIndexOf("/"); 9323 String subStr1 = fullCodePath.substring(0, eidx); 9324 int sidx = subStr1.lastIndexOf("/"); 9325 cid = subStr1.substring(sidx+1, eidx); 9326 setCachePath(subStr1); 9327 } 9328 9329 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9330 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9331 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9332 null, null, null, instructionSet); 9333 this.cid = cid; 9334 setCachePath(PackageHelper.getSdDir(cid)); 9335 } 9336 9337 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9338 boolean isExternal, boolean isForwardLocked) { 9339 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9340 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9341 null, null, null, instructionSet); 9342 this.cid = cid; 9343 } 9344 9345 void createCopyFile() { 9346 cid = getTempContainerId(); 9347 } 9348 9349 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9350 try { 9351 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9352 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9353 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 9354 } finally { 9355 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9356 } 9357 } 9358 9359 private final boolean isExternal() { 9360 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9361 } 9362 9363 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9364 if (temp) { 9365 createCopyFile(); 9366 } else { 9367 /* 9368 * Pre-emptively destroy the container since it's destroyed if 9369 * copying fails due to it existing anyway. 9370 */ 9371 PackageHelper.destroySdDir(cid); 9372 } 9373 9374 final String newCachePath; 9375 try { 9376 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9377 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9378 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9379 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 9380 } finally { 9381 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9382 } 9383 9384 if (newCachePath != null) { 9385 setCachePath(newCachePath); 9386 return PackageManager.INSTALL_SUCCEEDED; 9387 } else { 9388 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9389 } 9390 } 9391 9392 @Override 9393 String getCodePath() { 9394 return packagePath; 9395 } 9396 9397 @Override 9398 String getResourcePath() { 9399 return resourcePath; 9400 } 9401 9402 @Override 9403 String getNativeLibraryPath() { 9404 return libraryPath; 9405 } 9406 9407 int doPreInstall(int status) { 9408 if (status != PackageManager.INSTALL_SUCCEEDED) { 9409 // Destroy container 9410 PackageHelper.destroySdDir(cid); 9411 } else { 9412 boolean mounted = PackageHelper.isContainerMounted(cid); 9413 if (!mounted) { 9414 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9415 Process.SYSTEM_UID); 9416 if (newCachePath != null) { 9417 setCachePath(newCachePath); 9418 } else { 9419 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9420 } 9421 } 9422 } 9423 return status; 9424 } 9425 9426 boolean doRename(int status, final String pkgName, 9427 String oldCodePath) { 9428 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9429 String newCachePath = null; 9430 if (PackageHelper.isContainerMounted(cid)) { 9431 // Unmount the container 9432 if (!PackageHelper.unMountSdDir(cid)) { 9433 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9434 return false; 9435 } 9436 } 9437 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9438 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9439 " which might be stale. Will try to clean up."); 9440 // Clean up the stale container and proceed to recreate. 9441 if (!PackageHelper.destroySdDir(newCacheId)) { 9442 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9443 return false; 9444 } 9445 // Successfully cleaned up stale container. Try to rename again. 9446 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9447 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9448 + " inspite of cleaning it up."); 9449 return false; 9450 } 9451 } 9452 if (!PackageHelper.isContainerMounted(newCacheId)) { 9453 Slog.w(TAG, "Mounting container " + newCacheId); 9454 newCachePath = PackageHelper.mountSdDir(newCacheId, 9455 getEncryptKey(), Process.SYSTEM_UID); 9456 } else { 9457 newCachePath = PackageHelper.getSdDir(newCacheId); 9458 } 9459 if (newCachePath == null) { 9460 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9461 return false; 9462 } 9463 Log.i(TAG, "Succesfully renamed " + cid + 9464 " to " + newCacheId + 9465 " at new path: " + newCachePath); 9466 cid = newCacheId; 9467 setCachePath(newCachePath); 9468 return true; 9469 } 9470 9471 private void setCachePath(String newCachePath) { 9472 File cachePath = new File(newCachePath); 9473 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9474 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9475 9476 if (isFwdLocked()) { 9477 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9478 } else { 9479 resourcePath = packagePath; 9480 } 9481 } 9482 9483 int doPostInstall(int status, int uid) { 9484 if (status != PackageManager.INSTALL_SUCCEEDED) { 9485 cleanUp(); 9486 } else { 9487 final int groupOwner; 9488 final String protectedFile; 9489 if (isFwdLocked()) { 9490 groupOwner = UserHandle.getSharedAppGid(uid); 9491 protectedFile = RES_FILE_NAME; 9492 } else { 9493 groupOwner = -1; 9494 protectedFile = null; 9495 } 9496 9497 if (uid < Process.FIRST_APPLICATION_UID 9498 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9499 Slog.e(TAG, "Failed to finalize " + cid); 9500 PackageHelper.destroySdDir(cid); 9501 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9502 } 9503 9504 boolean mounted = PackageHelper.isContainerMounted(cid); 9505 if (!mounted) { 9506 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9507 } 9508 } 9509 return status; 9510 } 9511 9512 private void cleanUp() { 9513 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9514 9515 // Destroy secure container 9516 PackageHelper.destroySdDir(cid); 9517 } 9518 9519 void cleanUpResourcesLI() { 9520 String sourceFile = getCodePath(); 9521 // Remove dex file 9522 if (instructionSet == null) { 9523 throw new IllegalStateException("instructionSet == null"); 9524 } 9525 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9526 if (retCode < 0) { 9527 Slog.w(TAG, "Couldn't remove dex file for package: " 9528 + " at location " 9529 + sourceFile.toString() + ", retcode=" + retCode); 9530 // we don't consider this to be a failure of the core package deletion 9531 } 9532 cleanUp(); 9533 } 9534 9535 boolean matchContainer(String app) { 9536 if (cid.startsWith(app)) { 9537 return true; 9538 } 9539 return false; 9540 } 9541 9542 String getPackageName() { 9543 return getAsecPackageName(cid); 9544 } 9545 9546 boolean doPostDeleteLI(boolean delete) { 9547 boolean ret = false; 9548 boolean mounted = PackageHelper.isContainerMounted(cid); 9549 if (mounted) { 9550 // Unmount first 9551 ret = PackageHelper.unMountSdDir(cid); 9552 } 9553 if (ret && delete) { 9554 cleanUpResourcesLI(); 9555 } 9556 return ret; 9557 } 9558 9559 @Override 9560 int doPreCopy() { 9561 if (isFwdLocked()) { 9562 if (!PackageHelper.fixSdPermissions(cid, 9563 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9564 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9565 } 9566 } 9567 9568 return PackageManager.INSTALL_SUCCEEDED; 9569 } 9570 9571 @Override 9572 int doPostCopy(int uid) { 9573 if (isFwdLocked()) { 9574 if (uid < Process.FIRST_APPLICATION_UID 9575 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9576 RES_FILE_NAME)) { 9577 Slog.e(TAG, "Failed to finalize " + cid); 9578 PackageHelper.destroySdDir(cid); 9579 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9580 } 9581 } 9582 9583 return PackageManager.INSTALL_SUCCEEDED; 9584 } 9585 }; 9586 9587 static String getAsecPackageName(String packageCid) { 9588 int idx = packageCid.lastIndexOf("-"); 9589 if (idx == -1) { 9590 return packageCid; 9591 } 9592 return packageCid.substring(0, idx); 9593 } 9594 9595 // Utility method used to create code paths based on package name and available index. 9596 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9597 String idxStr = ""; 9598 int idx = 1; 9599 // Fall back to default value of idx=1 if prefix is not 9600 // part of oldCodePath 9601 if (oldCodePath != null) { 9602 String subStr = oldCodePath; 9603 // Drop the suffix right away 9604 if (subStr.endsWith(suffix)) { 9605 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9606 } 9607 // If oldCodePath already contains prefix find out the 9608 // ending index to either increment or decrement. 9609 int sidx = subStr.lastIndexOf(prefix); 9610 if (sidx != -1) { 9611 subStr = subStr.substring(sidx + prefix.length()); 9612 if (subStr != null) { 9613 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9614 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9615 } 9616 try { 9617 idx = Integer.parseInt(subStr); 9618 if (idx <= 1) { 9619 idx++; 9620 } else { 9621 idx--; 9622 } 9623 } catch(NumberFormatException e) { 9624 } 9625 } 9626 } 9627 } 9628 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9629 return prefix + idxStr; 9630 } 9631 9632 // Utility method used to ignore ADD/REMOVE events 9633 // by directory observer. 9634 private static boolean ignoreCodePath(String fullPathStr) { 9635 String apkName = getApkName(fullPathStr); 9636 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9637 if (idx != -1 && ((idx+1) < apkName.length())) { 9638 // Make sure the package ends with a numeral 9639 String version = apkName.substring(idx+1); 9640 try { 9641 Integer.parseInt(version); 9642 return true; 9643 } catch (NumberFormatException e) {} 9644 } 9645 return false; 9646 } 9647 9648 // Utility method that returns the relative package path with respect 9649 // to the installation directory. Like say for /data/data/com.test-1.apk 9650 // string com.test-1 is returned. 9651 static String getApkName(String codePath) { 9652 if (codePath == null) { 9653 return null; 9654 } 9655 int sidx = codePath.lastIndexOf("/"); 9656 int eidx = codePath.lastIndexOf("."); 9657 if (eidx == -1) { 9658 eidx = codePath.length(); 9659 } else if (eidx == 0) { 9660 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9661 return null; 9662 } 9663 return codePath.substring(sidx+1, eidx); 9664 } 9665 9666 class PackageInstalledInfo { 9667 String name; 9668 int uid; 9669 // The set of users that originally had this package installed. 9670 int[] origUsers; 9671 // The set of users that now have this package installed. 9672 int[] newUsers; 9673 PackageParser.Package pkg; 9674 int returnCode; 9675 PackageRemovedInfo removedInfo; 9676 9677 // In some error cases we want to convey more info back to the observer 9678 String origPackage; 9679 String origPermission; 9680 } 9681 9682 /* 9683 * Install a non-existing package. 9684 */ 9685 private void installNewPackageLI(PackageParser.Package pkg, 9686 int parseFlags, int scanMode, UserHandle user, 9687 String installerPackageName, PackageInstalledInfo res) { 9688 // Remember this for later, in case we need to rollback this install 9689 String pkgName = pkg.packageName; 9690 9691 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9692 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9693 synchronized(mPackages) { 9694 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9695 // A package with the same name is already installed, though 9696 // it has been renamed to an older name. The package we 9697 // are trying to install should be installed as an update to 9698 // the existing one, but that has not been requested, so bail. 9699 Slog.w(TAG, "Attempt to re-install " + pkgName 9700 + " without first uninstalling package running as " 9701 + mSettings.mRenamedPackages.get(pkgName)); 9702 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9703 return; 9704 } 9705 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9706 // Don't allow installation over an existing package with the same name. 9707 Slog.w(TAG, "Attempt to re-install " + pkgName 9708 + " without first uninstalling."); 9709 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9710 return; 9711 } 9712 } 9713 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9714 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9715 System.currentTimeMillis(), user); 9716 if (newPackage == null) { 9717 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9718 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9719 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9720 } 9721 } else { 9722 updateSettingsLI(newPackage, 9723 installerPackageName, 9724 null, null, 9725 res); 9726 // delete the partially installed application. the data directory will have to be 9727 // restored if it was already existing 9728 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9729 // remove package from internal structures. Note that we want deletePackageX to 9730 // delete the package data and cache directories that it created in 9731 // scanPackageLocked, unless those directories existed before we even tried to 9732 // install. 9733 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9734 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9735 res.removedInfo, true); 9736 } 9737 } 9738 } 9739 9740 private void replacePackageLI(PackageParser.Package pkg, 9741 int parseFlags, int scanMode, UserHandle user, 9742 String installerPackageName, PackageInstalledInfo res) { 9743 9744 PackageParser.Package oldPackage; 9745 String pkgName = pkg.packageName; 9746 int[] allUsers; 9747 boolean[] perUserInstalled; 9748 9749 // First find the old package info and check signatures 9750 synchronized(mPackages) { 9751 oldPackage = mPackages.get(pkgName); 9752 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9753 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9754 != PackageManager.SIGNATURE_MATCH) { 9755 Slog.w(TAG, "New package has a different signature: " + pkgName); 9756 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9757 return; 9758 } 9759 9760 // In case of rollback, remember per-user/profile install state 9761 PackageSetting ps = mSettings.mPackages.get(pkgName); 9762 allUsers = sUserManager.getUserIds(); 9763 perUserInstalled = new boolean[allUsers.length]; 9764 for (int i = 0; i < allUsers.length; i++) { 9765 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9766 } 9767 } 9768 boolean sysPkg = (isSystemApp(oldPackage)); 9769 if (sysPkg) { 9770 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9771 user, allUsers, perUserInstalled, installerPackageName, res); 9772 } else { 9773 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9774 user, allUsers, perUserInstalled, installerPackageName, res); 9775 } 9776 } 9777 9778 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9779 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9780 int[] allUsers, boolean[] perUserInstalled, 9781 String installerPackageName, PackageInstalledInfo res) { 9782 PackageParser.Package newPackage = null; 9783 String pkgName = deletedPackage.packageName; 9784 boolean deletedPkg = true; 9785 boolean updatedSettings = false; 9786 9787 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9788 + deletedPackage); 9789 long origUpdateTime; 9790 if (pkg.mExtras != null) { 9791 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9792 } else { 9793 origUpdateTime = 0; 9794 } 9795 9796 // First delete the existing package while retaining the data directory 9797 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9798 res.removedInfo, true)) { 9799 // If the existing package wasn't successfully deleted 9800 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9801 deletedPkg = false; 9802 } else { 9803 // Successfully deleted the old package. Now proceed with re-installation 9804 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9805 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9806 System.currentTimeMillis(), user); 9807 if (newPackage == null) { 9808 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9809 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9810 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9811 } 9812 } else { 9813 updateSettingsLI(newPackage, 9814 installerPackageName, 9815 allUsers, perUserInstalled, 9816 res); 9817 updatedSettings = true; 9818 } 9819 } 9820 9821 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9822 // remove package from internal structures. Note that we want deletePackageX to 9823 // delete the package data and cache directories that it created in 9824 // scanPackageLocked, unless those directories existed before we even tried to 9825 // install. 9826 if(updatedSettings) { 9827 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9828 deletePackageLI( 9829 pkgName, null, true, allUsers, perUserInstalled, 9830 PackageManager.DELETE_KEEP_DATA, 9831 res.removedInfo, true); 9832 } 9833 // Since we failed to install the new package we need to restore the old 9834 // package that we deleted. 9835 if(deletedPkg) { 9836 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9837 File restoreFile = new File(deletedPackage.mPath); 9838 // Parse old package 9839 boolean oldOnSd = isExternal(deletedPackage); 9840 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9841 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9842 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9843 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9844 | SCAN_UPDATE_TIME; 9845 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9846 origUpdateTime, null) == null) { 9847 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9848 return; 9849 } 9850 // Restore of old package succeeded. Update permissions. 9851 // writer 9852 synchronized (mPackages) { 9853 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9854 UPDATE_PERMISSIONS_ALL); 9855 // can downgrade to reader 9856 mSettings.writeLPr(); 9857 } 9858 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9859 } 9860 } 9861 } 9862 9863 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9864 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9865 int[] allUsers, boolean[] perUserInstalled, 9866 String installerPackageName, PackageInstalledInfo res) { 9867 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9868 + ", old=" + deletedPackage); 9869 PackageParser.Package newPackage = null; 9870 boolean updatedSettings = false; 9871 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9872 PackageParser.PARSE_IS_SYSTEM; 9873 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9874 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9875 } 9876 String packageName = deletedPackage.packageName; 9877 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9878 if (packageName == null) { 9879 Slog.w(TAG, "Attempt to delete null packageName."); 9880 return; 9881 } 9882 PackageParser.Package oldPkg; 9883 PackageSetting oldPkgSetting; 9884 // reader 9885 synchronized (mPackages) { 9886 oldPkg = mPackages.get(packageName); 9887 oldPkgSetting = mSettings.mPackages.get(packageName); 9888 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9889 (oldPkgSetting == null)) { 9890 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9891 return; 9892 } 9893 } 9894 9895 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9896 9897 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9898 res.removedInfo.removedPackage = packageName; 9899 // Remove existing system package 9900 removePackageLI(oldPkgSetting, true); 9901 // writer 9902 synchronized (mPackages) { 9903 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9904 // We didn't need to disable the .apk as a current system package, 9905 // which means we are replacing another update that is already 9906 // installed. We need to make sure to delete the older one's .apk. 9907 res.removedInfo.args = createInstallArgs(0, 9908 deletedPackage.applicationInfo.sourceDir, 9909 deletedPackage.applicationInfo.publicSourceDir, 9910 deletedPackage.applicationInfo.nativeLibraryDir, 9911 getAppInstructionSet(deletedPackage.applicationInfo)); 9912 } else { 9913 res.removedInfo.args = null; 9914 } 9915 } 9916 9917 // Successfully disabled the old package. Now proceed with re-installation 9918 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9919 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9920 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9921 if (newPackage == null) { 9922 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9923 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9924 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9925 } 9926 } else { 9927 if (newPackage.mExtras != null) { 9928 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9929 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9930 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9931 9932 // is the update attempting to change shared user? that isn't going to work... 9933 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 9934 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 9935 + " to " + newPkgSetting.sharedUser); 9936 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 9937 updatedSettings = true; 9938 } 9939 } 9940 9941 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 9942 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9943 updatedSettings = true; 9944 } 9945 } 9946 9947 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9948 // Re installation failed. Restore old information 9949 // Remove new pkg information 9950 if (newPackage != null) { 9951 removeInstalledPackageLI(newPackage, true); 9952 } 9953 // Add back the old system package 9954 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9955 // Restore the old system information in Settings 9956 synchronized(mPackages) { 9957 if (updatedSettings) { 9958 mSettings.enableSystemPackageLPw(packageName); 9959 mSettings.setInstallerPackageName(packageName, 9960 oldPkgSetting.installerPackageName); 9961 } 9962 mSettings.writeLPr(); 9963 } 9964 } 9965 } 9966 9967 // Utility method used to move dex files during install. 9968 private int moveDexFilesLI(PackageParser.Package newPackage) { 9969 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9970 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 9971 int retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath, 9972 instructionSet); 9973 if (retCode != 0) { 9974 /* 9975 * Programs may be lazily run through dexopt, so the 9976 * source may not exist. However, something seems to 9977 * have gone wrong, so note that dexopt needs to be 9978 * run again and remove the source file. In addition, 9979 * remove the target to make sure there isn't a stale 9980 * file from a previous version of the package. 9981 */ 9982 newPackage.mDexOptNeeded = true; 9983 mInstaller.rmdex(newPackage.mScanPath, instructionSet); 9984 mInstaller.rmdex(newPackage.mPath, instructionSet); 9985 } 9986 } 9987 return PackageManager.INSTALL_SUCCEEDED; 9988 } 9989 9990 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9991 int[] allUsers, boolean[] perUserInstalled, 9992 PackageInstalledInfo res) { 9993 String pkgName = newPackage.packageName; 9994 synchronized (mPackages) { 9995 //write settings. the installStatus will be incomplete at this stage. 9996 //note that the new package setting would have already been 9997 //added to mPackages. It hasn't been persisted yet. 9998 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9999 mSettings.writeLPr(); 10000 } 10001 10002 if ((res.returnCode = moveDexFilesLI(newPackage)) 10003 != PackageManager.INSTALL_SUCCEEDED) { 10004 // Discontinue if moving dex files failed. 10005 return; 10006 } 10007 10008 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 10009 10010 synchronized (mPackages) { 10011 updatePermissionsLPw(newPackage.packageName, newPackage, 10012 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10013 ? UPDATE_PERMISSIONS_ALL : 0)); 10014 // For system-bundled packages, we assume that installing an upgraded version 10015 // of the package implies that the user actually wants to run that new code, 10016 // so we enable the package. 10017 if (isSystemApp(newPackage)) { 10018 // NB: implicit assumption that system package upgrades apply to all users 10019 if (DEBUG_INSTALL) { 10020 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10021 } 10022 PackageSetting ps = mSettings.mPackages.get(pkgName); 10023 if (ps != null) { 10024 if (res.origUsers != null) { 10025 for (int userHandle : res.origUsers) { 10026 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10027 userHandle, installerPackageName); 10028 } 10029 } 10030 // Also convey the prior install/uninstall state 10031 if (allUsers != null && perUserInstalled != null) { 10032 for (int i = 0; i < allUsers.length; i++) { 10033 if (DEBUG_INSTALL) { 10034 Slog.d(TAG, " user " + allUsers[i] 10035 + " => " + perUserInstalled[i]); 10036 } 10037 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10038 } 10039 // these install state changes will be persisted in the 10040 // upcoming call to mSettings.writeLPr(). 10041 } 10042 } 10043 } 10044 res.name = pkgName; 10045 res.uid = newPackage.applicationInfo.uid; 10046 res.pkg = newPackage; 10047 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10048 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10049 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10050 //to update install status 10051 mSettings.writeLPr(); 10052 } 10053 } 10054 10055 private void installPackageLI(InstallArgs args, 10056 boolean newInstall, PackageInstalledInfo res) { 10057 int pFlags = args.flags; 10058 String installerPackageName = args.installerPackageName; 10059 File tmpPackageFile = new File(args.getCodePath()); 10060 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10061 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10062 boolean replace = false; 10063 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10064 | (newInstall ? SCAN_NEW_INSTALL : 0); 10065 // Result object to be returned 10066 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10067 10068 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10069 // Retrieve PackageSettings and parse package 10070 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10071 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10072 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10073 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 10074 pp.setSeparateProcesses(mSeparateProcesses); 10075 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 10076 null, mMetrics, parseFlags); 10077 if (pkg == null) { 10078 res.returnCode = pp.getParseError(); 10079 return; 10080 } 10081 String pkgName = res.name = pkg.packageName; 10082 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10083 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10084 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10085 return; 10086 } 10087 } 10088 if (!pp.collectCertificates(pkg, parseFlags)) { 10089 res.returnCode = pp.getParseError(); 10090 return; 10091 } 10092 10093 /* If the installer passed in a manifest digest, compare it now. */ 10094 if (args.manifestDigest != null) { 10095 if (DEBUG_INSTALL) { 10096 final String parsedManifest = pkg.manifestDigest == null ? "null" 10097 : pkg.manifestDigest.toString(); 10098 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10099 + parsedManifest); 10100 } 10101 10102 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10103 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10104 return; 10105 } 10106 } else if (DEBUG_INSTALL) { 10107 final String parsedManifest = pkg.manifestDigest == null 10108 ? "null" : pkg.manifestDigest.toString(); 10109 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10110 } 10111 10112 // Get rid of all references to package scan path via parser. 10113 pp = null; 10114 String oldCodePath = null; 10115 boolean systemApp = false; 10116 synchronized (mPackages) { 10117 // Check whether the newly-scanned package wants to define an already-defined perm 10118 int N = pkg.permissions.size(); 10119 for (int i = 0; i < N; i++) { 10120 PackageParser.Permission perm = pkg.permissions.get(i); 10121 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10122 if (bp != null) { 10123 // If the defining package is signed with our cert, it's okay. This 10124 // also includes the "updating the same package" case, of course. 10125 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10126 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10127 Slog.w(TAG, "Package " + pkg.packageName 10128 + " attempting to redeclare permission " + perm.info.name 10129 + " already owned by " + bp.sourcePackage); 10130 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10131 res.origPermission = perm.info.name; 10132 res.origPackage = bp.sourcePackage; 10133 return; 10134 } 10135 } 10136 } 10137 10138 // Check if installing already existing package 10139 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10140 String oldName = mSettings.mRenamedPackages.get(pkgName); 10141 if (pkg.mOriginalPackages != null 10142 && pkg.mOriginalPackages.contains(oldName) 10143 && mPackages.containsKey(oldName)) { 10144 // This package is derived from an original package, 10145 // and this device has been updating from that original 10146 // name. We must continue using the original name, so 10147 // rename the new package here. 10148 pkg.setPackageName(oldName); 10149 pkgName = pkg.packageName; 10150 replace = true; 10151 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10152 + oldName + " pkgName=" + pkgName); 10153 } else if (mPackages.containsKey(pkgName)) { 10154 // This package, under its official name, already exists 10155 // on the device; we should replace it. 10156 replace = true; 10157 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10158 } 10159 } 10160 PackageSetting ps = mSettings.mPackages.get(pkgName); 10161 if (ps != null) { 10162 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10163 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10164 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10165 systemApp = (ps.pkg.applicationInfo.flags & 10166 ApplicationInfo.FLAG_SYSTEM) != 0; 10167 } 10168 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10169 } 10170 } 10171 10172 if (systemApp && onSd) { 10173 // Disable updates to system apps on sdcard 10174 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10175 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10176 return; 10177 } 10178 10179 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10180 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10181 return; 10182 } 10183 // Set application objects path explicitly after the rename 10184 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 10185 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10186 if (replace) { 10187 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10188 installerPackageName, res); 10189 } else { 10190 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10191 installerPackageName, res); 10192 } 10193 synchronized (mPackages) { 10194 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10195 if (ps != null) { 10196 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10197 } 10198 } 10199 } 10200 10201 private static boolean isForwardLocked(PackageParser.Package pkg) { 10202 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10203 } 10204 10205 10206 private boolean isForwardLocked(PackageSetting ps) { 10207 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10208 } 10209 10210 private static boolean isExternal(PackageParser.Package pkg) { 10211 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10212 } 10213 10214 private static boolean isExternal(PackageSetting ps) { 10215 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10216 } 10217 10218 private static boolean isSystemApp(PackageParser.Package pkg) { 10219 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10220 } 10221 10222 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10223 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10224 } 10225 10226 private static boolean isSystemApp(ApplicationInfo info) { 10227 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10228 } 10229 10230 private static boolean isSystemApp(PackageSetting ps) { 10231 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10232 } 10233 10234 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10235 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10236 } 10237 10238 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10239 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10240 } 10241 10242 private int packageFlagsToInstallFlags(PackageSetting ps) { 10243 int installFlags = 0; 10244 if (isExternal(ps)) { 10245 installFlags |= PackageManager.INSTALL_EXTERNAL; 10246 } 10247 if (isForwardLocked(ps)) { 10248 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10249 } 10250 return installFlags; 10251 } 10252 10253 private void deleteTempPackageFiles() { 10254 final FilenameFilter filter = new FilenameFilter() { 10255 public boolean accept(File dir, String name) { 10256 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10257 } 10258 }; 10259 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10260 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10261 } 10262 10263 private static final void deleteTempPackageFilesInDirectory(File directory, 10264 FilenameFilter filter) { 10265 final String[] tmpFilesList = directory.list(filter); 10266 if (tmpFilesList == null) { 10267 return; 10268 } 10269 for (int i = 0; i < tmpFilesList.length; i++) { 10270 final File tmpFile = new File(directory, tmpFilesList[i]); 10271 tmpFile.delete(); 10272 } 10273 } 10274 10275 private File createTempPackageFile(File installDir) { 10276 File tmpPackageFile; 10277 try { 10278 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10279 } catch (IOException e) { 10280 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10281 return null; 10282 } 10283 try { 10284 FileUtils.setPermissions( 10285 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10286 -1, -1); 10287 if (!SELinux.restorecon(tmpPackageFile)) { 10288 return null; 10289 } 10290 } catch (IOException e) { 10291 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10292 return null; 10293 } 10294 return tmpPackageFile; 10295 } 10296 10297 @Override 10298 public void deletePackageAsUser(final String packageName, 10299 final IPackageDeleteObserver observer, 10300 final int userId, final int flags) { 10301 mContext.enforceCallingOrSelfPermission( 10302 android.Manifest.permission.DELETE_PACKAGES, null); 10303 final int uid = Binder.getCallingUid(); 10304 if (UserHandle.getUserId(uid) != userId) { 10305 mContext.enforceCallingPermission( 10306 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10307 "deletePackage for user " + userId); 10308 } 10309 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10310 try { 10311 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10312 } catch (RemoteException re) { 10313 } 10314 return; 10315 } 10316 10317 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10318 // Queue up an async operation since the package deletion may take a little while. 10319 mHandler.post(new Runnable() { 10320 public void run() { 10321 mHandler.removeCallbacks(this); 10322 final int returnCode = deletePackageX(packageName, userId, flags); 10323 if (observer != null) { 10324 try { 10325 observer.packageDeleted(packageName, returnCode); 10326 } catch (RemoteException e) { 10327 Log.i(TAG, "Observer no longer exists."); 10328 } //end catch 10329 } //end if 10330 } //end run 10331 }); 10332 } 10333 10334 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10335 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10336 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10337 try { 10338 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10339 || dpm.isDeviceOwner(packageName))) { 10340 return true; 10341 } 10342 } catch (RemoteException e) { 10343 } 10344 return false; 10345 } 10346 10347 /** 10348 * This method is an internal method that could be get invoked either 10349 * to delete an installed package or to clean up a failed installation. 10350 * After deleting an installed package, a broadcast is sent to notify any 10351 * listeners that the package has been installed. For cleaning up a failed 10352 * installation, the broadcast is not necessary since the package's 10353 * installation wouldn't have sent the initial broadcast either 10354 * The key steps in deleting a package are 10355 * deleting the package information in internal structures like mPackages, 10356 * deleting the packages base directories through installd 10357 * updating mSettings to reflect current status 10358 * persisting settings for later use 10359 * sending a broadcast if necessary 10360 */ 10361 private int deletePackageX(String packageName, int userId, int flags) { 10362 final PackageRemovedInfo info = new PackageRemovedInfo(); 10363 final boolean res; 10364 10365 if (isPackageDeviceAdmin(packageName, userId)) { 10366 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10367 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10368 } 10369 10370 boolean removedForAllUsers = false; 10371 boolean systemUpdate = false; 10372 10373 // for the uninstall-updates case and restricted profiles, remember the per- 10374 // userhandle installed state 10375 int[] allUsers; 10376 boolean[] perUserInstalled; 10377 synchronized (mPackages) { 10378 PackageSetting ps = mSettings.mPackages.get(packageName); 10379 allUsers = sUserManager.getUserIds(); 10380 perUserInstalled = new boolean[allUsers.length]; 10381 for (int i = 0; i < allUsers.length; i++) { 10382 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10383 } 10384 } 10385 10386 synchronized (mInstallLock) { 10387 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10388 res = deletePackageLI(packageName, 10389 (flags & PackageManager.DELETE_ALL_USERS) != 0 10390 ? UserHandle.ALL : new UserHandle(userId), 10391 true, allUsers, perUserInstalled, 10392 flags | REMOVE_CHATTY, info, true); 10393 systemUpdate = info.isRemovedPackageSystemUpdate; 10394 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10395 removedForAllUsers = true; 10396 } 10397 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10398 + " removedForAllUsers=" + removedForAllUsers); 10399 } 10400 10401 if (res) { 10402 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10403 10404 // If the removed package was a system update, the old system package 10405 // was re-enabled; we need to broadcast this information 10406 if (systemUpdate) { 10407 Bundle extras = new Bundle(1); 10408 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10409 ? info.removedAppId : info.uid); 10410 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10411 10412 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10413 extras, null, null, null); 10414 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10415 extras, null, null, null); 10416 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10417 null, packageName, null, null); 10418 } 10419 } 10420 // Force a gc here. 10421 Runtime.getRuntime().gc(); 10422 // Delete the resources here after sending the broadcast to let 10423 // other processes clean up before deleting resources. 10424 if (info.args != null) { 10425 synchronized (mInstallLock) { 10426 info.args.doPostDeleteLI(true); 10427 } 10428 } 10429 10430 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10431 } 10432 10433 static class PackageRemovedInfo { 10434 String removedPackage; 10435 int uid = -1; 10436 int removedAppId = -1; 10437 int[] removedUsers = null; 10438 boolean isRemovedPackageSystemUpdate = false; 10439 // Clean up resources deleted packages. 10440 InstallArgs args = null; 10441 10442 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10443 Bundle extras = new Bundle(1); 10444 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10445 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10446 if (replacing) { 10447 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10448 } 10449 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10450 if (removedPackage != null) { 10451 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10452 extras, null, null, removedUsers); 10453 if (fullRemove && !replacing) { 10454 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10455 extras, null, null, removedUsers); 10456 } 10457 } 10458 if (removedAppId >= 0) { 10459 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10460 removedUsers); 10461 } 10462 } 10463 } 10464 10465 /* 10466 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10467 * flag is not set, the data directory is removed as well. 10468 * make sure this flag is set for partially installed apps. If not its meaningless to 10469 * delete a partially installed application. 10470 */ 10471 private void removePackageDataLI(PackageSetting ps, 10472 int[] allUserHandles, boolean[] perUserInstalled, 10473 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10474 String packageName = ps.name; 10475 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10476 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10477 // Retrieve object to delete permissions for shared user later on 10478 final PackageSetting deletedPs; 10479 // reader 10480 synchronized (mPackages) { 10481 deletedPs = mSettings.mPackages.get(packageName); 10482 if (outInfo != null) { 10483 outInfo.removedPackage = packageName; 10484 outInfo.removedUsers = deletedPs != null 10485 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10486 : null; 10487 } 10488 } 10489 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10490 removeDataDirsLI(packageName); 10491 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10492 } 10493 // writer 10494 synchronized (mPackages) { 10495 if (deletedPs != null) { 10496 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10497 if (outInfo != null) { 10498 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10499 } 10500 if (deletedPs != null) { 10501 updatePermissionsLPw(deletedPs.name, null, 0); 10502 if (deletedPs.sharedUser != null) { 10503 // remove permissions associated with package 10504 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10505 } 10506 } 10507 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10508 } 10509 // make sure to preserve per-user disabled state if this removal was just 10510 // a downgrade of a system app to the factory package 10511 if (allUserHandles != null && perUserInstalled != null) { 10512 if (DEBUG_REMOVE) { 10513 Slog.d(TAG, "Propagating install state across downgrade"); 10514 } 10515 for (int i = 0; i < allUserHandles.length; i++) { 10516 if (DEBUG_REMOVE) { 10517 Slog.d(TAG, " user " + allUserHandles[i] 10518 + " => " + perUserInstalled[i]); 10519 } 10520 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10521 } 10522 } 10523 } 10524 // can downgrade to reader 10525 if (writeSettings) { 10526 // Save settings now 10527 mSettings.writeLPr(); 10528 } 10529 } 10530 if (outInfo != null) { 10531 // A user ID was deleted here. Go through all users and remove it 10532 // from KeyStore. 10533 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10534 } 10535 } 10536 10537 static boolean locationIsPrivileged(File path) { 10538 try { 10539 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10540 .getCanonicalPath(); 10541 return path.getCanonicalPath().startsWith(privilegedAppDir); 10542 } catch (IOException e) { 10543 Slog.e(TAG, "Unable to access code path " + path); 10544 } 10545 return false; 10546 } 10547 10548 /* 10549 * Tries to delete system package. 10550 */ 10551 private boolean deleteSystemPackageLI(PackageSetting newPs, 10552 int[] allUserHandles, boolean[] perUserInstalled, 10553 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10554 final boolean applyUserRestrictions 10555 = (allUserHandles != null) && (perUserInstalled != null); 10556 PackageSetting disabledPs = null; 10557 // Confirm if the system package has been updated 10558 // An updated system app can be deleted. This will also have to restore 10559 // the system pkg from system partition 10560 // reader 10561 synchronized (mPackages) { 10562 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10563 } 10564 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10565 + " disabledPs=" + disabledPs); 10566 if (disabledPs == null) { 10567 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10568 return false; 10569 } else if (DEBUG_REMOVE) { 10570 Slog.d(TAG, "Deleting system pkg from data partition"); 10571 } 10572 if (DEBUG_REMOVE) { 10573 if (applyUserRestrictions) { 10574 Slog.d(TAG, "Remembering install states:"); 10575 for (int i = 0; i < allUserHandles.length; i++) { 10576 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10577 } 10578 } 10579 } 10580 // Delete the updated package 10581 outInfo.isRemovedPackageSystemUpdate = true; 10582 if (disabledPs.versionCode < newPs.versionCode) { 10583 // Delete data for downgrades 10584 flags &= ~PackageManager.DELETE_KEEP_DATA; 10585 } else { 10586 // Preserve data by setting flag 10587 flags |= PackageManager.DELETE_KEEP_DATA; 10588 } 10589 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10590 allUserHandles, perUserInstalled, outInfo, writeSettings); 10591 if (!ret) { 10592 return false; 10593 } 10594 // writer 10595 synchronized (mPackages) { 10596 // Reinstate the old system package 10597 mSettings.enableSystemPackageLPw(newPs.name); 10598 // Remove any native libraries from the upgraded package. 10599 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10600 } 10601 // Install the system package 10602 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10603 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10604 if (locationIsPrivileged(disabledPs.codePath)) { 10605 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10606 } 10607 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10608 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 10609 10610 if (newPkg == null) { 10611 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10612 + " with error:" + mLastScanError); 10613 return false; 10614 } 10615 // writer 10616 synchronized (mPackages) { 10617 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10618 setInternalAppNativeLibraryPath(newPkg, ps); 10619 updatePermissionsLPw(newPkg.packageName, newPkg, 10620 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10621 if (applyUserRestrictions) { 10622 if (DEBUG_REMOVE) { 10623 Slog.d(TAG, "Propagating install state across reinstall"); 10624 } 10625 for (int i = 0; i < allUserHandles.length; i++) { 10626 if (DEBUG_REMOVE) { 10627 Slog.d(TAG, " user " + allUserHandles[i] 10628 + " => " + perUserInstalled[i]); 10629 } 10630 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10631 } 10632 // Regardless of writeSettings we need to ensure that this restriction 10633 // state propagation is persisted 10634 mSettings.writeAllUsersPackageRestrictionsLPr(); 10635 } 10636 // can downgrade to reader here 10637 if (writeSettings) { 10638 mSettings.writeLPr(); 10639 } 10640 } 10641 return true; 10642 } 10643 10644 private boolean deleteInstalledPackageLI(PackageSetting ps, 10645 boolean deleteCodeAndResources, int flags, 10646 int[] allUserHandles, boolean[] perUserInstalled, 10647 PackageRemovedInfo outInfo, boolean writeSettings) { 10648 if (outInfo != null) { 10649 outInfo.uid = ps.appId; 10650 } 10651 10652 // Delete package data from internal structures and also remove data if flag is set 10653 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10654 10655 // Delete application code and resources 10656 if (deleteCodeAndResources && (outInfo != null)) { 10657 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10658 ps.resourcePathString, ps.nativeLibraryPathString, 10659 getAppInstructionSetFromSettings(ps)); 10660 } 10661 return true; 10662 } 10663 10664 /* 10665 * This method handles package deletion in general 10666 */ 10667 private boolean deletePackageLI(String packageName, UserHandle user, 10668 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10669 int flags, PackageRemovedInfo outInfo, 10670 boolean writeSettings) { 10671 if (packageName == null) { 10672 Slog.w(TAG, "Attempt to delete null packageName."); 10673 return false; 10674 } 10675 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10676 PackageSetting ps; 10677 boolean dataOnly = false; 10678 int removeUser = -1; 10679 int appId = -1; 10680 synchronized (mPackages) { 10681 ps = mSettings.mPackages.get(packageName); 10682 if (ps == null) { 10683 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10684 return false; 10685 } 10686 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10687 && user.getIdentifier() != UserHandle.USER_ALL) { 10688 // The caller is asking that the package only be deleted for a single 10689 // user. To do this, we just mark its uninstalled state and delete 10690 // its data. If this is a system app, we only allow this to happen if 10691 // they have set the special DELETE_SYSTEM_APP which requests different 10692 // semantics than normal for uninstalling system apps. 10693 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10694 ps.setUserState(user.getIdentifier(), 10695 COMPONENT_ENABLED_STATE_DEFAULT, 10696 false, //installed 10697 true, //stopped 10698 true, //notLaunched 10699 false, //blocked 10700 null, null, null); 10701 if (!isSystemApp(ps)) { 10702 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10703 // Other user still have this package installed, so all 10704 // we need to do is clear this user's data and save that 10705 // it is uninstalled. 10706 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10707 removeUser = user.getIdentifier(); 10708 appId = ps.appId; 10709 mSettings.writePackageRestrictionsLPr(removeUser); 10710 } else { 10711 // We need to set it back to 'installed' so the uninstall 10712 // broadcasts will be sent correctly. 10713 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10714 ps.setInstalled(true, user.getIdentifier()); 10715 } 10716 } else { 10717 // This is a system app, so we assume that the 10718 // other users still have this package installed, so all 10719 // we need to do is clear this user's data and save that 10720 // it is uninstalled. 10721 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10722 removeUser = user.getIdentifier(); 10723 appId = ps.appId; 10724 mSettings.writePackageRestrictionsLPr(removeUser); 10725 } 10726 } 10727 } 10728 10729 if (removeUser >= 0) { 10730 // From above, we determined that we are deleting this only 10731 // for a single user. Continue the work here. 10732 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10733 if (outInfo != null) { 10734 outInfo.removedPackage = packageName; 10735 outInfo.removedAppId = appId; 10736 outInfo.removedUsers = new int[] {removeUser}; 10737 } 10738 mInstaller.clearUserData(packageName, removeUser); 10739 removeKeystoreDataIfNeeded(removeUser, appId); 10740 schedulePackageCleaning(packageName, removeUser, false); 10741 return true; 10742 } 10743 10744 if (dataOnly) { 10745 // Delete application data first 10746 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10747 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10748 return true; 10749 } 10750 10751 boolean ret = false; 10752 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10753 if (isSystemApp(ps)) { 10754 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10755 // When an updated system application is deleted we delete the existing resources as well and 10756 // fall back to existing code in system partition 10757 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10758 flags, outInfo, writeSettings); 10759 } else { 10760 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10761 // Kill application pre-emptively especially for apps on sd. 10762 killApplication(packageName, ps.appId, "uninstall pkg"); 10763 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10764 allUserHandles, perUserInstalled, 10765 outInfo, writeSettings); 10766 } 10767 10768 return ret; 10769 } 10770 10771 private final class ClearStorageConnection implements ServiceConnection { 10772 IMediaContainerService mContainerService; 10773 10774 @Override 10775 public void onServiceConnected(ComponentName name, IBinder service) { 10776 synchronized (this) { 10777 mContainerService = IMediaContainerService.Stub.asInterface(service); 10778 notifyAll(); 10779 } 10780 } 10781 10782 @Override 10783 public void onServiceDisconnected(ComponentName name) { 10784 } 10785 } 10786 10787 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10788 final boolean mounted; 10789 if (Environment.isExternalStorageEmulated()) { 10790 mounted = true; 10791 } else { 10792 final String status = Environment.getExternalStorageState(); 10793 10794 mounted = status.equals(Environment.MEDIA_MOUNTED) 10795 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10796 } 10797 10798 if (!mounted) { 10799 return; 10800 } 10801 10802 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10803 int[] users; 10804 if (userId == UserHandle.USER_ALL) { 10805 users = sUserManager.getUserIds(); 10806 } else { 10807 users = new int[] { userId }; 10808 } 10809 final ClearStorageConnection conn = new ClearStorageConnection(); 10810 if (mContext.bindServiceAsUser( 10811 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10812 try { 10813 for (int curUser : users) { 10814 long timeout = SystemClock.uptimeMillis() + 5000; 10815 synchronized (conn) { 10816 long now = SystemClock.uptimeMillis(); 10817 while (conn.mContainerService == null && now < timeout) { 10818 try { 10819 conn.wait(timeout - now); 10820 } catch (InterruptedException e) { 10821 } 10822 } 10823 } 10824 if (conn.mContainerService == null) { 10825 return; 10826 } 10827 10828 final UserEnvironment userEnv = new UserEnvironment(curUser); 10829 clearDirectory(conn.mContainerService, 10830 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10831 if (allData) { 10832 clearDirectory(conn.mContainerService, 10833 userEnv.buildExternalStorageAppDataDirs(packageName)); 10834 clearDirectory(conn.mContainerService, 10835 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10836 } 10837 } 10838 } finally { 10839 mContext.unbindService(conn); 10840 } 10841 } 10842 } 10843 10844 @Override 10845 public void clearApplicationUserData(final String packageName, 10846 final IPackageDataObserver observer, final int userId) { 10847 mContext.enforceCallingOrSelfPermission( 10848 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10849 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10850 // Queue up an async operation since the package deletion may take a little while. 10851 mHandler.post(new Runnable() { 10852 public void run() { 10853 mHandler.removeCallbacks(this); 10854 final boolean succeeded; 10855 synchronized (mInstallLock) { 10856 succeeded = clearApplicationUserDataLI(packageName, userId); 10857 } 10858 clearExternalStorageDataSync(packageName, userId, true); 10859 if (succeeded) { 10860 // invoke DeviceStorageMonitor's update method to clear any notifications 10861 DeviceStorageMonitorInternal 10862 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10863 if (dsm != null) { 10864 dsm.checkMemory(); 10865 } 10866 } 10867 if(observer != null) { 10868 try { 10869 observer.onRemoveCompleted(packageName, succeeded); 10870 } catch (RemoteException e) { 10871 Log.i(TAG, "Observer no longer exists."); 10872 } 10873 } //end if observer 10874 } //end run 10875 }); 10876 } 10877 10878 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10879 if (packageName == null) { 10880 Slog.w(TAG, "Attempt to delete null packageName."); 10881 return false; 10882 } 10883 PackageParser.Package p; 10884 boolean dataOnly = false; 10885 final int appId; 10886 synchronized (mPackages) { 10887 p = mPackages.get(packageName); 10888 if (p == null) { 10889 dataOnly = true; 10890 PackageSetting ps = mSettings.mPackages.get(packageName); 10891 if ((ps == null) || (ps.pkg == null)) { 10892 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10893 return false; 10894 } 10895 p = ps.pkg; 10896 } 10897 if (!dataOnly) { 10898 // need to check this only for fully installed applications 10899 if (p == null) { 10900 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10901 return false; 10902 } 10903 final ApplicationInfo applicationInfo = p.applicationInfo; 10904 if (applicationInfo == null) { 10905 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10906 return false; 10907 } 10908 } 10909 if (p != null && p.applicationInfo != null) { 10910 appId = p.applicationInfo.uid; 10911 } else { 10912 appId = -1; 10913 } 10914 } 10915 int retCode = mInstaller.clearUserData(packageName, userId); 10916 if (retCode < 0) { 10917 Slog.w(TAG, "Couldn't remove cache files for package: " 10918 + packageName); 10919 return false; 10920 } 10921 removeKeystoreDataIfNeeded(userId, appId); 10922 return true; 10923 } 10924 10925 /** 10926 * Remove entries from the keystore daemon. Will only remove it if the 10927 * {@code appId} is valid. 10928 */ 10929 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10930 if (appId < 0) { 10931 return; 10932 } 10933 10934 final KeyStore keyStore = KeyStore.getInstance(); 10935 if (keyStore != null) { 10936 if (userId == UserHandle.USER_ALL) { 10937 for (final int individual : sUserManager.getUserIds()) { 10938 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10939 } 10940 } else { 10941 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10942 } 10943 } else { 10944 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10945 } 10946 } 10947 10948 @Override 10949 public void deleteApplicationCacheFiles(final String packageName, 10950 final IPackageDataObserver observer) { 10951 mContext.enforceCallingOrSelfPermission( 10952 android.Manifest.permission.DELETE_CACHE_FILES, null); 10953 // Queue up an async operation since the package deletion may take a little while. 10954 final int userId = UserHandle.getCallingUserId(); 10955 mHandler.post(new Runnable() { 10956 public void run() { 10957 mHandler.removeCallbacks(this); 10958 final boolean succeded; 10959 synchronized (mInstallLock) { 10960 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10961 } 10962 clearExternalStorageDataSync(packageName, userId, false); 10963 if(observer != null) { 10964 try { 10965 observer.onRemoveCompleted(packageName, succeded); 10966 } catch (RemoteException e) { 10967 Log.i(TAG, "Observer no longer exists."); 10968 } 10969 } //end if observer 10970 } //end run 10971 }); 10972 } 10973 10974 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10975 if (packageName == null) { 10976 Slog.w(TAG, "Attempt to delete null packageName."); 10977 return false; 10978 } 10979 PackageParser.Package p; 10980 synchronized (mPackages) { 10981 p = mPackages.get(packageName); 10982 } 10983 if (p == null) { 10984 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10985 return false; 10986 } 10987 final ApplicationInfo applicationInfo = p.applicationInfo; 10988 if (applicationInfo == null) { 10989 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10990 return false; 10991 } 10992 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10993 if (retCode < 0) { 10994 Slog.w(TAG, "Couldn't remove cache files for package: " 10995 + packageName + " u" + userId); 10996 return false; 10997 } 10998 return true; 10999 } 11000 11001 @Override 11002 public void getPackageSizeInfo(final String packageName, int userHandle, 11003 final IPackageStatsObserver observer) { 11004 mContext.enforceCallingOrSelfPermission( 11005 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11006 if (packageName == null) { 11007 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11008 } 11009 11010 PackageStats stats = new PackageStats(packageName, userHandle); 11011 11012 /* 11013 * Queue up an async operation since the package measurement may take a 11014 * little while. 11015 */ 11016 Message msg = mHandler.obtainMessage(INIT_COPY); 11017 msg.obj = new MeasureParams(stats, observer); 11018 mHandler.sendMessage(msg); 11019 } 11020 11021 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11022 PackageStats pStats) { 11023 if (packageName == null) { 11024 Slog.w(TAG, "Attempt to get size of null packageName."); 11025 return false; 11026 } 11027 PackageParser.Package p; 11028 boolean dataOnly = false; 11029 String libDirPath = null; 11030 String asecPath = null; 11031 PackageSetting ps = null; 11032 synchronized (mPackages) { 11033 p = mPackages.get(packageName); 11034 ps = mSettings.mPackages.get(packageName); 11035 if(p == null) { 11036 dataOnly = true; 11037 if((ps == null) || (ps.pkg == null)) { 11038 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11039 return false; 11040 } 11041 p = ps.pkg; 11042 } 11043 if (ps != null) { 11044 libDirPath = ps.nativeLibraryPathString; 11045 } 11046 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11047 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11048 if (secureContainerId != null) { 11049 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11050 } 11051 } 11052 } 11053 String publicSrcDir = null; 11054 if(!dataOnly) { 11055 final ApplicationInfo applicationInfo = p.applicationInfo; 11056 if (applicationInfo == null) { 11057 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11058 return false; 11059 } 11060 if (isForwardLocked(p)) { 11061 publicSrcDir = applicationInfo.publicSourceDir; 11062 } 11063 } 11064 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 11065 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11066 pStats); 11067 if (res < 0) { 11068 return false; 11069 } 11070 11071 // Fix-up for forward-locked applications in ASEC containers. 11072 if (!isExternal(p)) { 11073 pStats.codeSize += pStats.externalCodeSize; 11074 pStats.externalCodeSize = 0L; 11075 } 11076 11077 return true; 11078 } 11079 11080 11081 @Override 11082 public void addPackageToPreferred(String packageName) { 11083 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11084 } 11085 11086 @Override 11087 public void removePackageFromPreferred(String packageName) { 11088 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11089 } 11090 11091 @Override 11092 public List<PackageInfo> getPreferredPackages(int flags) { 11093 return new ArrayList<PackageInfo>(); 11094 } 11095 11096 private int getUidTargetSdkVersionLockedLPr(int uid) { 11097 Object obj = mSettings.getUserIdLPr(uid); 11098 if (obj instanceof SharedUserSetting) { 11099 final SharedUserSetting sus = (SharedUserSetting) obj; 11100 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11101 final Iterator<PackageSetting> it = sus.packages.iterator(); 11102 while (it.hasNext()) { 11103 final PackageSetting ps = it.next(); 11104 if (ps.pkg != null) { 11105 int v = ps.pkg.applicationInfo.targetSdkVersion; 11106 if (v < vers) vers = v; 11107 } 11108 } 11109 return vers; 11110 } else if (obj instanceof PackageSetting) { 11111 final PackageSetting ps = (PackageSetting) obj; 11112 if (ps.pkg != null) { 11113 return ps.pkg.applicationInfo.targetSdkVersion; 11114 } 11115 } 11116 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11117 } 11118 11119 @Override 11120 public void addPreferredActivity(IntentFilter filter, int match, 11121 ComponentName[] set, ComponentName activity, int userId) { 11122 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11123 } 11124 11125 private void addPreferredActivityInternal(IntentFilter filter, int match, 11126 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11127 // writer 11128 int callingUid = Binder.getCallingUid(); 11129 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11130 if (filter.countActions() == 0) { 11131 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11132 return; 11133 } 11134 synchronized (mPackages) { 11135 if (mContext.checkCallingOrSelfPermission( 11136 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11137 != PackageManager.PERMISSION_GRANTED) { 11138 if (getUidTargetSdkVersionLockedLPr(callingUid) 11139 < Build.VERSION_CODES.FROYO) { 11140 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11141 + callingUid); 11142 return; 11143 } 11144 mContext.enforceCallingOrSelfPermission( 11145 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11146 } 11147 11148 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11149 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11150 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11151 new PreferredActivity(filter, match, set, activity, always)); 11152 mSettings.writePackageRestrictionsLPr(userId); 11153 } 11154 } 11155 11156 @Override 11157 public void replacePreferredActivity(IntentFilter filter, int match, 11158 ComponentName[] set, ComponentName activity) { 11159 if (filter.countActions() != 1) { 11160 throw new IllegalArgumentException( 11161 "replacePreferredActivity expects filter to have only 1 action."); 11162 } 11163 if (filter.countDataAuthorities() != 0 11164 || filter.countDataPaths() != 0 11165 || filter.countDataSchemes() > 1 11166 || filter.countDataTypes() != 0) { 11167 throw new IllegalArgumentException( 11168 "replacePreferredActivity expects filter to have no data authorities, " + 11169 "paths, or types; and at most one scheme."); 11170 } 11171 synchronized (mPackages) { 11172 if (mContext.checkCallingOrSelfPermission( 11173 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11174 != PackageManager.PERMISSION_GRANTED) { 11175 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11176 < Build.VERSION_CODES.FROYO) { 11177 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11178 + Binder.getCallingUid()); 11179 return; 11180 } 11181 mContext.enforceCallingOrSelfPermission( 11182 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11183 } 11184 11185 final int callingUserId = UserHandle.getCallingUserId(); 11186 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11187 if (pir != null) { 11188 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11189 if (filter.countDataSchemes() == 1) { 11190 Uri.Builder builder = new Uri.Builder(); 11191 builder.scheme(filter.getDataScheme(0)); 11192 intent.setData(builder.build()); 11193 } 11194 List<PreferredActivity> matches = pir.queryIntent( 11195 intent, null, true, callingUserId); 11196 if (DEBUG_PREFERRED) { 11197 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11198 } 11199 for (int i = 0; i < matches.size(); i++) { 11200 PreferredActivity pa = matches.get(i); 11201 if (DEBUG_PREFERRED) { 11202 Slog.i(TAG, "Removing preferred activity " 11203 + pa.mPref.mComponent + ":"); 11204 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11205 } 11206 pir.removeFilter(pa); 11207 } 11208 } 11209 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11210 } 11211 } 11212 11213 @Override 11214 public void clearPackagePreferredActivities(String packageName) { 11215 final int uid = Binder.getCallingUid(); 11216 // writer 11217 synchronized (mPackages) { 11218 PackageParser.Package pkg = mPackages.get(packageName); 11219 if (pkg == null || pkg.applicationInfo.uid != uid) { 11220 if (mContext.checkCallingOrSelfPermission( 11221 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11222 != PackageManager.PERMISSION_GRANTED) { 11223 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11224 < Build.VERSION_CODES.FROYO) { 11225 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11226 + Binder.getCallingUid()); 11227 return; 11228 } 11229 mContext.enforceCallingOrSelfPermission( 11230 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11231 } 11232 } 11233 11234 int user = UserHandle.getCallingUserId(); 11235 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11236 mSettings.writePackageRestrictionsLPr(user); 11237 scheduleWriteSettingsLocked(); 11238 } 11239 } 11240 } 11241 11242 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11243 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11244 ArrayList<PreferredActivity> removed = null; 11245 boolean changed = false; 11246 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11247 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11248 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11249 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11250 continue; 11251 } 11252 Iterator<PreferredActivity> it = pir.filterIterator(); 11253 while (it.hasNext()) { 11254 PreferredActivity pa = it.next(); 11255 // Mark entry for removal only if it matches the package name 11256 // and the entry is of type "always". 11257 if (packageName == null || 11258 (pa.mPref.mComponent.getPackageName().equals(packageName) 11259 && pa.mPref.mAlways)) { 11260 if (removed == null) { 11261 removed = new ArrayList<PreferredActivity>(); 11262 } 11263 removed.add(pa); 11264 } 11265 } 11266 if (removed != null) { 11267 for (int j=0; j<removed.size(); j++) { 11268 PreferredActivity pa = removed.get(j); 11269 pir.removeFilter(pa); 11270 } 11271 changed = true; 11272 } 11273 } 11274 return changed; 11275 } 11276 11277 @Override 11278 public void resetPreferredActivities(int userId) { 11279 mContext.enforceCallingOrSelfPermission( 11280 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11281 // writer 11282 synchronized (mPackages) { 11283 int user = UserHandle.getCallingUserId(); 11284 clearPackagePreferredActivitiesLPw(null, user); 11285 mSettings.readDefaultPreferredAppsLPw(this, user); 11286 mSettings.writePackageRestrictionsLPr(user); 11287 scheduleWriteSettingsLocked(); 11288 } 11289 } 11290 11291 @Override 11292 public int getPreferredActivities(List<IntentFilter> outFilters, 11293 List<ComponentName> outActivities, String packageName) { 11294 11295 int num = 0; 11296 final int userId = UserHandle.getCallingUserId(); 11297 // reader 11298 synchronized (mPackages) { 11299 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11300 if (pir != null) { 11301 final Iterator<PreferredActivity> it = pir.filterIterator(); 11302 while (it.hasNext()) { 11303 final PreferredActivity pa = it.next(); 11304 if (packageName == null 11305 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11306 && pa.mPref.mAlways)) { 11307 if (outFilters != null) { 11308 outFilters.add(new IntentFilter(pa)); 11309 } 11310 if (outActivities != null) { 11311 outActivities.add(pa.mPref.mComponent); 11312 } 11313 } 11314 } 11315 } 11316 } 11317 11318 return num; 11319 } 11320 11321 @Override 11322 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11323 int userId) { 11324 int callingUid = Binder.getCallingUid(); 11325 if (callingUid != Process.SYSTEM_UID) { 11326 throw new SecurityException( 11327 "addPersistentPreferredActivity can only be run by the system"); 11328 } 11329 if (filter.countActions() == 0) { 11330 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11331 return; 11332 } 11333 synchronized (mPackages) { 11334 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11335 " :"); 11336 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11337 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11338 new PersistentPreferredActivity(filter, activity)); 11339 mSettings.writePackageRestrictionsLPr(userId); 11340 } 11341 } 11342 11343 @Override 11344 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11345 int callingUid = Binder.getCallingUid(); 11346 if (callingUid != Process.SYSTEM_UID) { 11347 throw new SecurityException( 11348 "clearPackagePersistentPreferredActivities can only be run by the system"); 11349 } 11350 ArrayList<PersistentPreferredActivity> removed = null; 11351 boolean changed = false; 11352 synchronized (mPackages) { 11353 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11354 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11355 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11356 .valueAt(i); 11357 if (userId != thisUserId) { 11358 continue; 11359 } 11360 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11361 while (it.hasNext()) { 11362 PersistentPreferredActivity ppa = it.next(); 11363 // Mark entry for removal only if it matches the package name. 11364 if (ppa.mComponent.getPackageName().equals(packageName)) { 11365 if (removed == null) { 11366 removed = new ArrayList<PersistentPreferredActivity>(); 11367 } 11368 removed.add(ppa); 11369 } 11370 } 11371 if (removed != null) { 11372 for (int j=0; j<removed.size(); j++) { 11373 PersistentPreferredActivity ppa = removed.get(j); 11374 ppir.removeFilter(ppa); 11375 } 11376 changed = true; 11377 } 11378 } 11379 11380 if (changed) { 11381 mSettings.writePackageRestrictionsLPr(userId); 11382 } 11383 } 11384 } 11385 11386 @Override 11387 public void addForwardingIntentFilter(IntentFilter filter, boolean removable, int userIdOrig, 11388 int userIdDest) { 11389 mContext.enforceCallingOrSelfPermission( 11390 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11391 if (filter.countActions() == 0) { 11392 Slog.w(TAG, "Cannot set a forwarding intent filter with no filter actions"); 11393 return; 11394 } 11395 synchronized (mPackages) { 11396 mSettings.editForwardingIntentResolverLPw(userIdOrig).addFilter( 11397 new ForwardingIntentFilter(filter, removable, userIdDest)); 11398 mSettings.writePackageRestrictionsLPr(userIdOrig); 11399 } 11400 } 11401 11402 @Override 11403 public void clearForwardingIntentFilters(int userIdOrig) { 11404 mContext.enforceCallingOrSelfPermission( 11405 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11406 synchronized (mPackages) { 11407 ForwardingIntentResolver fir = mSettings.editForwardingIntentResolverLPw(userIdOrig); 11408 HashSet<ForwardingIntentFilter> set = 11409 new HashSet<ForwardingIntentFilter>(fir.filterSet()); 11410 for (ForwardingIntentFilter fif : set) { 11411 if (fif.isRemovable()) fir.removeFilter(fif); 11412 } 11413 mSettings.writePackageRestrictionsLPr(userIdOrig); 11414 } 11415 } 11416 11417 @Override 11418 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11419 Intent intent = new Intent(Intent.ACTION_MAIN); 11420 intent.addCategory(Intent.CATEGORY_HOME); 11421 11422 final int callingUserId = UserHandle.getCallingUserId(); 11423 List<ResolveInfo> list = queryIntentActivities(intent, null, 11424 PackageManager.GET_META_DATA, callingUserId); 11425 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11426 true, false, false, callingUserId); 11427 11428 allHomeCandidates.clear(); 11429 if (list != null) { 11430 for (ResolveInfo ri : list) { 11431 allHomeCandidates.add(ri); 11432 } 11433 } 11434 return (preferred == null || preferred.activityInfo == null) 11435 ? null 11436 : new ComponentName(preferred.activityInfo.packageName, 11437 preferred.activityInfo.name); 11438 } 11439 11440 @Override 11441 public void setApplicationEnabledSetting(String appPackageName, 11442 int newState, int flags, int userId, String callingPackage) { 11443 if (!sUserManager.exists(userId)) return; 11444 if (callingPackage == null) { 11445 callingPackage = Integer.toString(Binder.getCallingUid()); 11446 } 11447 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11448 } 11449 11450 @Override 11451 public void setComponentEnabledSetting(ComponentName componentName, 11452 int newState, int flags, int userId) { 11453 if (!sUserManager.exists(userId)) return; 11454 setEnabledSetting(componentName.getPackageName(), 11455 componentName.getClassName(), newState, flags, userId, null); 11456 } 11457 11458 private void setEnabledSetting(final String packageName, String className, int newState, 11459 final int flags, int userId, String callingPackage) { 11460 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11461 || newState == COMPONENT_ENABLED_STATE_ENABLED 11462 || newState == COMPONENT_ENABLED_STATE_DISABLED 11463 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11464 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11465 throw new IllegalArgumentException("Invalid new component state: " 11466 + newState); 11467 } 11468 PackageSetting pkgSetting; 11469 final int uid = Binder.getCallingUid(); 11470 final int permission = mContext.checkCallingOrSelfPermission( 11471 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11472 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11473 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11474 boolean sendNow = false; 11475 boolean isApp = (className == null); 11476 String componentName = isApp ? packageName : className; 11477 int packageUid = -1; 11478 ArrayList<String> components; 11479 11480 // writer 11481 synchronized (mPackages) { 11482 pkgSetting = mSettings.mPackages.get(packageName); 11483 if (pkgSetting == null) { 11484 if (className == null) { 11485 throw new IllegalArgumentException( 11486 "Unknown package: " + packageName); 11487 } 11488 throw new IllegalArgumentException( 11489 "Unknown component: " + packageName 11490 + "/" + className); 11491 } 11492 // Allow root and verify that userId is not being specified by a different user 11493 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11494 throw new SecurityException( 11495 "Permission Denial: attempt to change component state from pid=" 11496 + Binder.getCallingPid() 11497 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11498 } 11499 if (className == null) { 11500 // We're dealing with an application/package level state change 11501 if (pkgSetting.getEnabled(userId) == newState) { 11502 // Nothing to do 11503 return; 11504 } 11505 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11506 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11507 // Don't care about who enables an app. 11508 callingPackage = null; 11509 } 11510 pkgSetting.setEnabled(newState, userId, callingPackage); 11511 // pkgSetting.pkg.mSetEnabled = newState; 11512 } else { 11513 // We're dealing with a component level state change 11514 // First, verify that this is a valid class name. 11515 PackageParser.Package pkg = pkgSetting.pkg; 11516 if (pkg == null || !pkg.hasComponentClassName(className)) { 11517 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11518 throw new IllegalArgumentException("Component class " + className 11519 + " does not exist in " + packageName); 11520 } else { 11521 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11522 + className + " does not exist in " + packageName); 11523 } 11524 } 11525 switch (newState) { 11526 case COMPONENT_ENABLED_STATE_ENABLED: 11527 if (!pkgSetting.enableComponentLPw(className, userId)) { 11528 return; 11529 } 11530 break; 11531 case COMPONENT_ENABLED_STATE_DISABLED: 11532 if (!pkgSetting.disableComponentLPw(className, userId)) { 11533 return; 11534 } 11535 break; 11536 case COMPONENT_ENABLED_STATE_DEFAULT: 11537 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11538 return; 11539 } 11540 break; 11541 default: 11542 Slog.e(TAG, "Invalid new component state: " + newState); 11543 return; 11544 } 11545 } 11546 mSettings.writePackageRestrictionsLPr(userId); 11547 components = mPendingBroadcasts.get(userId, packageName); 11548 final boolean newPackage = components == null; 11549 if (newPackage) { 11550 components = new ArrayList<String>(); 11551 } 11552 if (!components.contains(componentName)) { 11553 components.add(componentName); 11554 } 11555 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11556 sendNow = true; 11557 // Purge entry from pending broadcast list if another one exists already 11558 // since we are sending one right away. 11559 mPendingBroadcasts.remove(userId, packageName); 11560 } else { 11561 if (newPackage) { 11562 mPendingBroadcasts.put(userId, packageName, components); 11563 } 11564 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11565 // Schedule a message 11566 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11567 } 11568 } 11569 } 11570 11571 long callingId = Binder.clearCallingIdentity(); 11572 try { 11573 if (sendNow) { 11574 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11575 sendPackageChangedBroadcast(packageName, 11576 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11577 } 11578 } finally { 11579 Binder.restoreCallingIdentity(callingId); 11580 } 11581 } 11582 11583 private void sendPackageChangedBroadcast(String packageName, 11584 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11585 if (DEBUG_INSTALL) 11586 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11587 + componentNames); 11588 Bundle extras = new Bundle(4); 11589 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11590 String nameList[] = new String[componentNames.size()]; 11591 componentNames.toArray(nameList); 11592 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11593 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11594 extras.putInt(Intent.EXTRA_UID, packageUid); 11595 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11596 new int[] {UserHandle.getUserId(packageUid)}); 11597 } 11598 11599 @Override 11600 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11601 if (!sUserManager.exists(userId)) return; 11602 final int uid = Binder.getCallingUid(); 11603 final int permission = mContext.checkCallingOrSelfPermission( 11604 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11605 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11606 enforceCrossUserPermission(uid, userId, true, "stop package"); 11607 // writer 11608 synchronized (mPackages) { 11609 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11610 uid, userId)) { 11611 scheduleWritePackageRestrictionsLocked(userId); 11612 } 11613 } 11614 } 11615 11616 @Override 11617 public String getInstallerPackageName(String packageName) { 11618 // reader 11619 synchronized (mPackages) { 11620 return mSettings.getInstallerPackageNameLPr(packageName); 11621 } 11622 } 11623 11624 @Override 11625 public int getApplicationEnabledSetting(String packageName, int userId) { 11626 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11627 int uid = Binder.getCallingUid(); 11628 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11629 // reader 11630 synchronized (mPackages) { 11631 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11632 } 11633 } 11634 11635 @Override 11636 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11637 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11638 int uid = Binder.getCallingUid(); 11639 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11640 // reader 11641 synchronized (mPackages) { 11642 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11643 } 11644 } 11645 11646 @Override 11647 public void enterSafeMode() { 11648 enforceSystemOrRoot("Only the system can request entering safe mode"); 11649 11650 if (!mSystemReady) { 11651 mSafeMode = true; 11652 } 11653 } 11654 11655 @Override 11656 public void systemReady() { 11657 mSystemReady = true; 11658 11659 // Read the compatibilty setting when the system is ready. 11660 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11661 mContext.getContentResolver(), 11662 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11663 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11664 if (DEBUG_SETTINGS) { 11665 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11666 } 11667 11668 synchronized (mPackages) { 11669 // Verify that all of the preferred activity components actually 11670 // exist. It is possible for applications to be updated and at 11671 // that point remove a previously declared activity component that 11672 // had been set as a preferred activity. We try to clean this up 11673 // the next time we encounter that preferred activity, but it is 11674 // possible for the user flow to never be able to return to that 11675 // situation so here we do a sanity check to make sure we haven't 11676 // left any junk around. 11677 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11678 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11679 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11680 removed.clear(); 11681 for (PreferredActivity pa : pir.filterSet()) { 11682 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11683 removed.add(pa); 11684 } 11685 } 11686 if (removed.size() > 0) { 11687 for (int j=0; j<removed.size(); j++) { 11688 PreferredActivity pa = removed.get(i); 11689 Slog.w(TAG, "Removing dangling preferred activity: " 11690 + pa.mPref.mComponent); 11691 pir.removeFilter(pa); 11692 } 11693 mSettings.writePackageRestrictionsLPr( 11694 mSettings.mPreferredActivities.keyAt(i)); 11695 } 11696 } 11697 } 11698 sUserManager.systemReady(); 11699 } 11700 11701 @Override 11702 public boolean isSafeMode() { 11703 return mSafeMode; 11704 } 11705 11706 @Override 11707 public boolean hasSystemUidErrors() { 11708 return mHasSystemUidErrors; 11709 } 11710 11711 static String arrayToString(int[] array) { 11712 StringBuffer buf = new StringBuffer(128); 11713 buf.append('['); 11714 if (array != null) { 11715 for (int i=0; i<array.length; i++) { 11716 if (i > 0) buf.append(", "); 11717 buf.append(array[i]); 11718 } 11719 } 11720 buf.append(']'); 11721 return buf.toString(); 11722 } 11723 11724 static class DumpState { 11725 public static final int DUMP_LIBS = 1 << 0; 11726 11727 public static final int DUMP_FEATURES = 1 << 1; 11728 11729 public static final int DUMP_RESOLVERS = 1 << 2; 11730 11731 public static final int DUMP_PERMISSIONS = 1 << 3; 11732 11733 public static final int DUMP_PACKAGES = 1 << 4; 11734 11735 public static final int DUMP_SHARED_USERS = 1 << 5; 11736 11737 public static final int DUMP_MESSAGES = 1 << 6; 11738 11739 public static final int DUMP_PROVIDERS = 1 << 7; 11740 11741 public static final int DUMP_VERIFIERS = 1 << 8; 11742 11743 public static final int DUMP_PREFERRED = 1 << 9; 11744 11745 public static final int DUMP_PREFERRED_XML = 1 << 10; 11746 11747 public static final int DUMP_KEYSETS = 1 << 11; 11748 11749 public static final int DUMP_VERSION = 1 << 12; 11750 11751 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11752 11753 private int mTypes; 11754 11755 private int mOptions; 11756 11757 private boolean mTitlePrinted; 11758 11759 private SharedUserSetting mSharedUser; 11760 11761 public boolean isDumping(int type) { 11762 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11763 return true; 11764 } 11765 11766 return (mTypes & type) != 0; 11767 } 11768 11769 public void setDump(int type) { 11770 mTypes |= type; 11771 } 11772 11773 public boolean isOptionEnabled(int option) { 11774 return (mOptions & option) != 0; 11775 } 11776 11777 public void setOptionEnabled(int option) { 11778 mOptions |= option; 11779 } 11780 11781 public boolean onTitlePrinted() { 11782 final boolean printed = mTitlePrinted; 11783 mTitlePrinted = true; 11784 return printed; 11785 } 11786 11787 public boolean getTitlePrinted() { 11788 return mTitlePrinted; 11789 } 11790 11791 public void setTitlePrinted(boolean enabled) { 11792 mTitlePrinted = enabled; 11793 } 11794 11795 public SharedUserSetting getSharedUser() { 11796 return mSharedUser; 11797 } 11798 11799 public void setSharedUser(SharedUserSetting user) { 11800 mSharedUser = user; 11801 } 11802 } 11803 11804 @Override 11805 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11806 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11807 != PackageManager.PERMISSION_GRANTED) { 11808 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11809 + Binder.getCallingPid() 11810 + ", uid=" + Binder.getCallingUid() 11811 + " without permission " 11812 + android.Manifest.permission.DUMP); 11813 return; 11814 } 11815 11816 DumpState dumpState = new DumpState(); 11817 boolean fullPreferred = false; 11818 boolean checkin = false; 11819 11820 String packageName = null; 11821 11822 int opti = 0; 11823 while (opti < args.length) { 11824 String opt = args[opti]; 11825 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11826 break; 11827 } 11828 opti++; 11829 if ("-a".equals(opt)) { 11830 // Right now we only know how to print all. 11831 } else if ("-h".equals(opt)) { 11832 pw.println("Package manager dump options:"); 11833 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11834 pw.println(" --checkin: dump for a checkin"); 11835 pw.println(" -f: print details of intent filters"); 11836 pw.println(" -h: print this help"); 11837 pw.println(" cmd may be one of:"); 11838 pw.println(" l[ibraries]: list known shared libraries"); 11839 pw.println(" f[ibraries]: list device features"); 11840 pw.println(" r[esolvers]: dump intent resolvers"); 11841 pw.println(" perm[issions]: dump permissions"); 11842 pw.println(" pref[erred]: print preferred package settings"); 11843 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11844 pw.println(" prov[iders]: dump content providers"); 11845 pw.println(" p[ackages]: dump installed packages"); 11846 pw.println(" s[hared-users]: dump shared user IDs"); 11847 pw.println(" m[essages]: print collected runtime messages"); 11848 pw.println(" v[erifiers]: print package verifier info"); 11849 pw.println(" version: print database version info"); 11850 pw.println(" <package.name>: info about given package"); 11851 pw.println(" k[eysets]: print known keysets"); 11852 return; 11853 } else if ("--checkin".equals(opt)) { 11854 checkin = true; 11855 } else if ("-f".equals(opt)) { 11856 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11857 } else { 11858 pw.println("Unknown argument: " + opt + "; use -h for help"); 11859 } 11860 } 11861 11862 // Is the caller requesting to dump a particular piece of data? 11863 if (opti < args.length) { 11864 String cmd = args[opti]; 11865 opti++; 11866 // Is this a package name? 11867 if ("android".equals(cmd) || cmd.contains(".")) { 11868 packageName = cmd; 11869 // When dumping a single package, we always dump all of its 11870 // filter information since the amount of data will be reasonable. 11871 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11872 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11873 dumpState.setDump(DumpState.DUMP_LIBS); 11874 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11875 dumpState.setDump(DumpState.DUMP_FEATURES); 11876 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11877 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11878 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11879 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11880 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11881 dumpState.setDump(DumpState.DUMP_PREFERRED); 11882 } else if ("preferred-xml".equals(cmd)) { 11883 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 11884 if (opti < args.length && "--full".equals(args[opti])) { 11885 fullPreferred = true; 11886 opti++; 11887 } 11888 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 11889 dumpState.setDump(DumpState.DUMP_PACKAGES); 11890 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 11891 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 11892 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 11893 dumpState.setDump(DumpState.DUMP_PROVIDERS); 11894 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 11895 dumpState.setDump(DumpState.DUMP_MESSAGES); 11896 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 11897 dumpState.setDump(DumpState.DUMP_VERIFIERS); 11898 } else if ("version".equals(cmd)) { 11899 dumpState.setDump(DumpState.DUMP_VERSION); 11900 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 11901 dumpState.setDump(DumpState.DUMP_KEYSETS); 11902 } 11903 } 11904 11905 if (checkin) { 11906 pw.println("vers,1"); 11907 } 11908 11909 // reader 11910 synchronized (mPackages) { 11911 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 11912 if (!checkin) { 11913 if (dumpState.onTitlePrinted()) 11914 pw.println(); 11915 pw.println("Database versions:"); 11916 pw.print(" SDK Version:"); 11917 pw.print(" internal="); 11918 pw.print(mSettings.mInternalSdkPlatform); 11919 pw.print(" external="); 11920 pw.println(mSettings.mExternalSdkPlatform); 11921 pw.print(" DB Version:"); 11922 pw.print(" internal="); 11923 pw.print(mSettings.mInternalDatabaseVersion); 11924 pw.print(" external="); 11925 pw.println(mSettings.mExternalDatabaseVersion); 11926 } 11927 } 11928 11929 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 11930 if (!checkin) { 11931 if (dumpState.onTitlePrinted()) 11932 pw.println(); 11933 pw.println("Verifiers:"); 11934 pw.print(" Required: "); 11935 pw.print(mRequiredVerifierPackage); 11936 pw.print(" (uid="); 11937 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 11938 pw.println(")"); 11939 } else if (mRequiredVerifierPackage != null) { 11940 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 11941 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 11942 } 11943 } 11944 11945 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 11946 boolean printedHeader = false; 11947 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 11948 while (it.hasNext()) { 11949 String name = it.next(); 11950 SharedLibraryEntry ent = mSharedLibraries.get(name); 11951 if (!checkin) { 11952 if (!printedHeader) { 11953 if (dumpState.onTitlePrinted()) 11954 pw.println(); 11955 pw.println("Libraries:"); 11956 printedHeader = true; 11957 } 11958 pw.print(" "); 11959 } else { 11960 pw.print("lib,"); 11961 } 11962 pw.print(name); 11963 if (!checkin) { 11964 pw.print(" -> "); 11965 } 11966 if (ent.path != null) { 11967 if (!checkin) { 11968 pw.print("(jar) "); 11969 pw.print(ent.path); 11970 } else { 11971 pw.print(",jar,"); 11972 pw.print(ent.path); 11973 } 11974 } else { 11975 if (!checkin) { 11976 pw.print("(apk) "); 11977 pw.print(ent.apk); 11978 } else { 11979 pw.print(",apk,"); 11980 pw.print(ent.apk); 11981 } 11982 } 11983 pw.println(); 11984 } 11985 } 11986 11987 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11988 if (dumpState.onTitlePrinted()) 11989 pw.println(); 11990 if (!checkin) { 11991 pw.println("Features:"); 11992 } 11993 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11994 while (it.hasNext()) { 11995 String name = it.next(); 11996 if (!checkin) { 11997 pw.print(" "); 11998 } else { 11999 pw.print("feat,"); 12000 } 12001 pw.println(name); 12002 } 12003 } 12004 12005 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12006 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12007 : "Activity Resolver Table:", " ", packageName, 12008 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12009 dumpState.setTitlePrinted(true); 12010 } 12011 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12012 : "Receiver Resolver Table:", " ", packageName, 12013 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12014 dumpState.setTitlePrinted(true); 12015 } 12016 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12017 : "Service Resolver Table:", " ", packageName, 12018 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12019 dumpState.setTitlePrinted(true); 12020 } 12021 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12022 : "Provider Resolver Table:", " ", packageName, 12023 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12024 dumpState.setTitlePrinted(true); 12025 } 12026 } 12027 12028 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12029 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12030 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12031 int user = mSettings.mPreferredActivities.keyAt(i); 12032 if (pir.dump(pw, 12033 dumpState.getTitlePrinted() 12034 ? "\nPreferred Activities User " + user + ":" 12035 : "Preferred Activities User " + user + ":", " ", 12036 packageName, true)) { 12037 dumpState.setTitlePrinted(true); 12038 } 12039 } 12040 } 12041 12042 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12043 pw.flush(); 12044 FileOutputStream fout = new FileOutputStream(fd); 12045 BufferedOutputStream str = new BufferedOutputStream(fout); 12046 XmlSerializer serializer = new FastXmlSerializer(); 12047 try { 12048 serializer.setOutput(str, "utf-8"); 12049 serializer.startDocument(null, true); 12050 serializer.setFeature( 12051 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12052 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12053 serializer.endDocument(); 12054 serializer.flush(); 12055 } catch (IllegalArgumentException e) { 12056 pw.println("Failed writing: " + e); 12057 } catch (IllegalStateException e) { 12058 pw.println("Failed writing: " + e); 12059 } catch (IOException e) { 12060 pw.println("Failed writing: " + e); 12061 } 12062 } 12063 12064 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12065 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12066 } 12067 12068 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12069 boolean printedSomething = false; 12070 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12071 if (packageName != null && !packageName.equals(p.info.packageName)) { 12072 continue; 12073 } 12074 if (!printedSomething) { 12075 if (dumpState.onTitlePrinted()) 12076 pw.println(); 12077 pw.println("Registered ContentProviders:"); 12078 printedSomething = true; 12079 } 12080 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12081 pw.print(" "); pw.println(p.toString()); 12082 } 12083 printedSomething = false; 12084 for (Map.Entry<String, PackageParser.Provider> entry : 12085 mProvidersByAuthority.entrySet()) { 12086 PackageParser.Provider p = entry.getValue(); 12087 if (packageName != null && !packageName.equals(p.info.packageName)) { 12088 continue; 12089 } 12090 if (!printedSomething) { 12091 if (dumpState.onTitlePrinted()) 12092 pw.println(); 12093 pw.println("ContentProvider Authorities:"); 12094 printedSomething = true; 12095 } 12096 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12097 pw.print(" "); pw.println(p.toString()); 12098 if (p.info != null && p.info.applicationInfo != null) { 12099 final String appInfo = p.info.applicationInfo.toString(); 12100 pw.print(" applicationInfo="); pw.println(appInfo); 12101 } 12102 } 12103 } 12104 12105 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12106 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12107 } 12108 12109 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12110 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12111 } 12112 12113 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12114 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12115 } 12116 12117 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12118 if (dumpState.onTitlePrinted()) 12119 pw.println(); 12120 mSettings.dumpReadMessagesLPr(pw, dumpState); 12121 12122 pw.println(); 12123 pw.println("Package warning messages:"); 12124 final File fname = getSettingsProblemFile(); 12125 FileInputStream in = null; 12126 try { 12127 in = new FileInputStream(fname); 12128 final int avail = in.available(); 12129 final byte[] data = new byte[avail]; 12130 in.read(data); 12131 pw.print(new String(data)); 12132 } catch (FileNotFoundException e) { 12133 } catch (IOException e) { 12134 } finally { 12135 if (in != null) { 12136 try { 12137 in.close(); 12138 } catch (IOException e) { 12139 } 12140 } 12141 } 12142 } 12143 } 12144 } 12145 12146 // ------- apps on sdcard specific code ------- 12147 static final boolean DEBUG_SD_INSTALL = false; 12148 12149 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12150 12151 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12152 12153 private boolean mMediaMounted = false; 12154 12155 private String getEncryptKey() { 12156 try { 12157 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12158 SD_ENCRYPTION_KEYSTORE_NAME); 12159 if (sdEncKey == null) { 12160 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12161 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12162 if (sdEncKey == null) { 12163 Slog.e(TAG, "Failed to create encryption keys"); 12164 return null; 12165 } 12166 } 12167 return sdEncKey; 12168 } catch (NoSuchAlgorithmException nsae) { 12169 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12170 return null; 12171 } catch (IOException ioe) { 12172 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12173 return null; 12174 } 12175 12176 } 12177 12178 /* package */static String getTempContainerId() { 12179 int tmpIdx = 1; 12180 String list[] = PackageHelper.getSecureContainerList(); 12181 if (list != null) { 12182 for (final String name : list) { 12183 // Ignore null and non-temporary container entries 12184 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12185 continue; 12186 } 12187 12188 String subStr = name.substring(mTempContainerPrefix.length()); 12189 try { 12190 int cid = Integer.parseInt(subStr); 12191 if (cid >= tmpIdx) { 12192 tmpIdx = cid + 1; 12193 } 12194 } catch (NumberFormatException e) { 12195 } 12196 } 12197 } 12198 return mTempContainerPrefix + tmpIdx; 12199 } 12200 12201 /* 12202 * Update media status on PackageManager. 12203 */ 12204 @Override 12205 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12206 int callingUid = Binder.getCallingUid(); 12207 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12208 throw new SecurityException("Media status can only be updated by the system"); 12209 } 12210 // reader; this apparently protects mMediaMounted, but should probably 12211 // be a different lock in that case. 12212 synchronized (mPackages) { 12213 Log.i(TAG, "Updating external media status from " 12214 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12215 + (mediaStatus ? "mounted" : "unmounted")); 12216 if (DEBUG_SD_INSTALL) 12217 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12218 + ", mMediaMounted=" + mMediaMounted); 12219 if (mediaStatus == mMediaMounted) { 12220 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12221 : 0, -1); 12222 mHandler.sendMessage(msg); 12223 return; 12224 } 12225 mMediaMounted = mediaStatus; 12226 } 12227 // Queue up an async operation since the package installation may take a 12228 // little while. 12229 mHandler.post(new Runnable() { 12230 public void run() { 12231 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12232 } 12233 }); 12234 } 12235 12236 /** 12237 * Called by MountService when the initial ASECs to scan are available. 12238 * Should block until all the ASEC containers are finished being scanned. 12239 */ 12240 public void scanAvailableAsecs() { 12241 updateExternalMediaStatusInner(true, false, false); 12242 if (mShouldRestoreconData) { 12243 SELinuxMMAC.setRestoreconDone(); 12244 mShouldRestoreconData = false; 12245 } 12246 } 12247 12248 /* 12249 * Collect information of applications on external media, map them against 12250 * existing containers and update information based on current mount status. 12251 * Please note that we always have to report status if reportStatus has been 12252 * set to true especially when unloading packages. 12253 */ 12254 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12255 boolean externalStorage) { 12256 // Collection of uids 12257 int uidArr[] = null; 12258 // Collection of stale containers 12259 HashSet<String> removeCids = new HashSet<String>(); 12260 // Collection of packages on external media with valid containers. 12261 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12262 // Get list of secure containers. 12263 final String list[] = PackageHelper.getSecureContainerList(); 12264 if (list == null || list.length == 0) { 12265 Log.i(TAG, "No secure containers on sdcard"); 12266 } else { 12267 // Process list of secure containers and categorize them 12268 // as active or stale based on their package internal state. 12269 int uidList[] = new int[list.length]; 12270 int num = 0; 12271 // reader 12272 synchronized (mPackages) { 12273 for (String cid : list) { 12274 if (DEBUG_SD_INSTALL) 12275 Log.i(TAG, "Processing container " + cid); 12276 String pkgName = getAsecPackageName(cid); 12277 if (pkgName == null) { 12278 if (DEBUG_SD_INSTALL) 12279 Log.i(TAG, "Container : " + cid + " stale"); 12280 removeCids.add(cid); 12281 continue; 12282 } 12283 if (DEBUG_SD_INSTALL) 12284 Log.i(TAG, "Looking for pkg : " + pkgName); 12285 12286 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12287 if (ps == null) { 12288 Log.i(TAG, "Deleting container with no matching settings " + cid); 12289 removeCids.add(cid); 12290 continue; 12291 } 12292 12293 /* 12294 * Skip packages that are not external if we're unmounting 12295 * external storage. 12296 */ 12297 if (externalStorage && !isMounted && !isExternal(ps)) { 12298 continue; 12299 } 12300 12301 final AsecInstallArgs args = new AsecInstallArgs(cid, 12302 getAppInstructionSetFromSettings(ps), 12303 isForwardLocked(ps)); 12304 // The package status is changed only if the code path 12305 // matches between settings and the container id. 12306 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12307 if (DEBUG_SD_INSTALL) { 12308 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12309 + " at code path: " + ps.codePathString); 12310 } 12311 12312 // We do have a valid package installed on sdcard 12313 processCids.put(args, ps.codePathString); 12314 final int uid = ps.appId; 12315 if (uid != -1) { 12316 uidList[num++] = uid; 12317 } 12318 } else { 12319 Log.i(TAG, "Deleting stale container for " + cid); 12320 removeCids.add(cid); 12321 } 12322 } 12323 } 12324 12325 if (num > 0) { 12326 // Sort uid list 12327 Arrays.sort(uidList, 0, num); 12328 // Throw away duplicates 12329 uidArr = new int[num]; 12330 uidArr[0] = uidList[0]; 12331 int di = 0; 12332 for (int i = 1; i < num; i++) { 12333 if (uidList[i - 1] != uidList[i]) { 12334 uidArr[di++] = uidList[i]; 12335 } 12336 } 12337 } 12338 } 12339 // Process packages with valid entries. 12340 if (isMounted) { 12341 if (DEBUG_SD_INSTALL) 12342 Log.i(TAG, "Loading packages"); 12343 loadMediaPackages(processCids, uidArr, removeCids); 12344 startCleaningPackages(); 12345 } else { 12346 if (DEBUG_SD_INSTALL) 12347 Log.i(TAG, "Unloading packages"); 12348 unloadMediaPackages(processCids, uidArr, reportStatus); 12349 } 12350 } 12351 12352 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12353 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12354 int size = pkgList.size(); 12355 if (size > 0) { 12356 // Send broadcasts here 12357 Bundle extras = new Bundle(); 12358 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12359 .toArray(new String[size])); 12360 if (uidArr != null) { 12361 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12362 } 12363 if (replacing) { 12364 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12365 } 12366 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12367 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12368 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12369 } 12370 } 12371 12372 /* 12373 * Look at potentially valid container ids from processCids If package 12374 * information doesn't match the one on record or package scanning fails, 12375 * the cid is added to list of removeCids. We currently don't delete stale 12376 * containers. 12377 */ 12378 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12379 HashSet<String> removeCids) { 12380 ArrayList<String> pkgList = new ArrayList<String>(); 12381 Set<AsecInstallArgs> keys = processCids.keySet(); 12382 boolean doGc = false; 12383 for (AsecInstallArgs args : keys) { 12384 String codePath = processCids.get(args); 12385 if (DEBUG_SD_INSTALL) 12386 Log.i(TAG, "Loading container : " + args.cid); 12387 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12388 try { 12389 // Make sure there are no container errors first. 12390 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12391 Slog.e(TAG, "Failed to mount cid : " + args.cid 12392 + " when installing from sdcard"); 12393 continue; 12394 } 12395 // Check code path here. 12396 if (codePath == null || !codePath.equals(args.getCodePath())) { 12397 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12398 + " does not match one in settings " + codePath); 12399 continue; 12400 } 12401 // Parse package 12402 int parseFlags = mDefParseFlags; 12403 if (args.isExternal()) { 12404 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12405 } 12406 if (args.isFwdLocked()) { 12407 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12408 } 12409 12410 doGc = true; 12411 synchronized (mInstallLock) { 12412 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12413 0, 0, null); 12414 // Scan the package 12415 if (pkg != null) { 12416 /* 12417 * TODO why is the lock being held? doPostInstall is 12418 * called in other places without the lock. This needs 12419 * to be straightened out. 12420 */ 12421 // writer 12422 synchronized (mPackages) { 12423 retCode = PackageManager.INSTALL_SUCCEEDED; 12424 pkgList.add(pkg.packageName); 12425 // Post process args 12426 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12427 pkg.applicationInfo.uid); 12428 } 12429 } else { 12430 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12431 } 12432 } 12433 12434 } finally { 12435 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12436 // Don't destroy container here. Wait till gc clears things 12437 // up. 12438 removeCids.add(args.cid); 12439 } 12440 } 12441 } 12442 // writer 12443 synchronized (mPackages) { 12444 // If the platform SDK has changed since the last time we booted, 12445 // we need to re-grant app permission to catch any new ones that 12446 // appear. This is really a hack, and means that apps can in some 12447 // cases get permissions that the user didn't initially explicitly 12448 // allow... it would be nice to have some better way to handle 12449 // this situation. 12450 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12451 if (regrantPermissions) 12452 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12453 + mSdkVersion + "; regranting permissions for external storage"); 12454 mSettings.mExternalSdkPlatform = mSdkVersion; 12455 12456 // Make sure group IDs have been assigned, and any permission 12457 // changes in other apps are accounted for 12458 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12459 | (regrantPermissions 12460 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12461 : 0)); 12462 12463 mSettings.updateExternalDatabaseVersion(); 12464 12465 // can downgrade to reader 12466 // Persist settings 12467 mSettings.writeLPr(); 12468 } 12469 // Send a broadcast to let everyone know we are done processing 12470 if (pkgList.size() > 0) { 12471 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12472 } 12473 // Force gc to avoid any stale parser references that we might have. 12474 if (doGc) { 12475 Runtime.getRuntime().gc(); 12476 } 12477 // List stale containers and destroy stale temporary containers. 12478 if (removeCids != null) { 12479 for (String cid : removeCids) { 12480 if (cid.startsWith(mTempContainerPrefix)) { 12481 Log.i(TAG, "Destroying stale temporary container " + cid); 12482 PackageHelper.destroySdDir(cid); 12483 } else { 12484 Log.w(TAG, "Container " + cid + " is stale"); 12485 } 12486 } 12487 } 12488 } 12489 12490 /* 12491 * Utility method to unload a list of specified containers 12492 */ 12493 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12494 // Just unmount all valid containers. 12495 for (AsecInstallArgs arg : cidArgs) { 12496 synchronized (mInstallLock) { 12497 arg.doPostDeleteLI(false); 12498 } 12499 } 12500 } 12501 12502 /* 12503 * Unload packages mounted on external media. This involves deleting package 12504 * data from internal structures, sending broadcasts about diabled packages, 12505 * gc'ing to free up references, unmounting all secure containers 12506 * corresponding to packages on external media, and posting a 12507 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12508 * that we always have to post this message if status has been requested no 12509 * matter what. 12510 */ 12511 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12512 final boolean reportStatus) { 12513 if (DEBUG_SD_INSTALL) 12514 Log.i(TAG, "unloading media packages"); 12515 ArrayList<String> pkgList = new ArrayList<String>(); 12516 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12517 final Set<AsecInstallArgs> keys = processCids.keySet(); 12518 for (AsecInstallArgs args : keys) { 12519 String pkgName = args.getPackageName(); 12520 if (DEBUG_SD_INSTALL) 12521 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12522 // Delete package internally 12523 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12524 synchronized (mInstallLock) { 12525 boolean res = deletePackageLI(pkgName, null, false, null, null, 12526 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12527 if (res) { 12528 pkgList.add(pkgName); 12529 } else { 12530 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12531 failedList.add(args); 12532 } 12533 } 12534 } 12535 12536 // reader 12537 synchronized (mPackages) { 12538 // We didn't update the settings after removing each package; 12539 // write them now for all packages. 12540 mSettings.writeLPr(); 12541 } 12542 12543 // We have to absolutely send UPDATED_MEDIA_STATUS only 12544 // after confirming that all the receivers processed the ordered 12545 // broadcast when packages get disabled, force a gc to clean things up. 12546 // and unload all the containers. 12547 if (pkgList.size() > 0) { 12548 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12549 new IIntentReceiver.Stub() { 12550 public void performReceive(Intent intent, int resultCode, String data, 12551 Bundle extras, boolean ordered, boolean sticky, 12552 int sendingUser) throws RemoteException { 12553 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12554 reportStatus ? 1 : 0, 1, keys); 12555 mHandler.sendMessage(msg); 12556 } 12557 }); 12558 } else { 12559 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12560 keys); 12561 mHandler.sendMessage(msg); 12562 } 12563 } 12564 12565 /** Binder call */ 12566 @Override 12567 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12568 final int flags) { 12569 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12570 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12571 int returnCode = PackageManager.MOVE_SUCCEEDED; 12572 int currFlags = 0; 12573 int newFlags = 0; 12574 // reader 12575 synchronized (mPackages) { 12576 PackageParser.Package pkg = mPackages.get(packageName); 12577 if (pkg == null) { 12578 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12579 } else { 12580 // Disable moving fwd locked apps and system packages 12581 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12582 Slog.w(TAG, "Cannot move system application"); 12583 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12584 } else if (pkg.mOperationPending) { 12585 Slog.w(TAG, "Attempt to move package which has pending operations"); 12586 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12587 } else { 12588 // Find install location first 12589 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12590 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12591 Slog.w(TAG, "Ambigous flags specified for move location."); 12592 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12593 } else { 12594 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12595 : PackageManager.INSTALL_INTERNAL; 12596 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12597 : PackageManager.INSTALL_INTERNAL; 12598 12599 if (newFlags == currFlags) { 12600 Slog.w(TAG, "No move required. Trying to move to same location"); 12601 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12602 } else { 12603 if (isForwardLocked(pkg)) { 12604 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12605 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12606 } 12607 } 12608 } 12609 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12610 pkg.mOperationPending = true; 12611 } 12612 } 12613 } 12614 12615 /* 12616 * TODO this next block probably shouldn't be inside the lock. We 12617 * can't guarantee these won't change after this is fired off 12618 * anyway. 12619 */ 12620 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12621 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12622 null, -1, user), 12623 returnCode); 12624 } else { 12625 Message msg = mHandler.obtainMessage(INIT_COPY); 12626 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12627 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12628 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12629 instructionSet); 12630 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12631 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12632 msg.obj = mp; 12633 mHandler.sendMessage(msg); 12634 } 12635 } 12636 } 12637 12638 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12639 // Queue up an async operation since the package deletion may take a 12640 // little while. 12641 mHandler.post(new Runnable() { 12642 public void run() { 12643 // TODO fix this; this does nothing. 12644 mHandler.removeCallbacks(this); 12645 int returnCode = currentStatus; 12646 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12647 int uidArr[] = null; 12648 ArrayList<String> pkgList = null; 12649 synchronized (mPackages) { 12650 PackageParser.Package pkg = mPackages.get(mp.packageName); 12651 if (pkg == null) { 12652 Slog.w(TAG, " Package " + mp.packageName 12653 + " doesn't exist. Aborting move"); 12654 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12655 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12656 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12657 + mp.srcArgs.getCodePath() + " to " 12658 + pkg.applicationInfo.sourceDir 12659 + " Aborting move and returning error"); 12660 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12661 } else { 12662 uidArr = new int[] { 12663 pkg.applicationInfo.uid 12664 }; 12665 pkgList = new ArrayList<String>(); 12666 pkgList.add(mp.packageName); 12667 } 12668 } 12669 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12670 // Send resources unavailable broadcast 12671 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12672 // Update package code and resource paths 12673 synchronized (mInstallLock) { 12674 synchronized (mPackages) { 12675 PackageParser.Package pkg = mPackages.get(mp.packageName); 12676 // Recheck for package again. 12677 if (pkg == null) { 12678 Slog.w(TAG, " Package " + mp.packageName 12679 + " doesn't exist. Aborting move"); 12680 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12681 } else if (!mp.srcArgs.getCodePath().equals( 12682 pkg.applicationInfo.sourceDir)) { 12683 Slog.w(TAG, "Package " + mp.packageName 12684 + " code path changed from " + mp.srcArgs.getCodePath() 12685 + " to " + pkg.applicationInfo.sourceDir 12686 + " Aborting move and returning error"); 12687 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12688 } else { 12689 final String oldCodePath = pkg.mPath; 12690 final String newCodePath = mp.targetArgs.getCodePath(); 12691 final String newResPath = mp.targetArgs.getResourcePath(); 12692 final String newNativePath = mp.targetArgs 12693 .getNativeLibraryPath(); 12694 12695 final File newNativeDir = new File(newNativePath); 12696 12697 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12698 // NOTE: We do not report any errors from the APK scan and library 12699 // copy at this point. 12700 NativeLibraryHelper.ApkHandle handle = 12701 new NativeLibraryHelper.ApkHandle(newCodePath); 12702 final int abi = NativeLibraryHelper.findSupportedAbi( 12703 handle, Build.SUPPORTED_ABIS); 12704 if (abi >= 0) { 12705 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12706 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12707 } 12708 handle.close(); 12709 } 12710 final int[] users = sUserManager.getUserIds(); 12711 for (int user : users) { 12712 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12713 newNativePath, user) < 0) { 12714 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12715 } 12716 } 12717 12718 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12719 pkg.mPath = newCodePath; 12720 // Move dex files around 12721 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12722 // Moving of dex files failed. Set 12723 // error code and abort move. 12724 pkg.mPath = pkg.mScanPath; 12725 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12726 } 12727 } 12728 12729 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12730 pkg.mScanPath = newCodePath; 12731 pkg.applicationInfo.sourceDir = newCodePath; 12732 pkg.applicationInfo.publicSourceDir = newResPath; 12733 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12734 PackageSetting ps = (PackageSetting) pkg.mExtras; 12735 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12736 ps.codePathString = ps.codePath.getPath(); 12737 ps.resourcePath = new File( 12738 pkg.applicationInfo.publicSourceDir); 12739 ps.resourcePathString = ps.resourcePath.getPath(); 12740 ps.nativeLibraryPathString = newNativePath; 12741 // Set the application info flag 12742 // correctly. 12743 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12744 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12745 } else { 12746 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12747 } 12748 ps.setFlags(pkg.applicationInfo.flags); 12749 mAppDirs.remove(oldCodePath); 12750 mAppDirs.put(newCodePath, pkg); 12751 // Persist settings 12752 mSettings.writeLPr(); 12753 } 12754 } 12755 } 12756 } 12757 // Send resources available broadcast 12758 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12759 } 12760 } 12761 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12762 // Clean up failed installation 12763 if (mp.targetArgs != null) { 12764 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12765 -1); 12766 } 12767 } else { 12768 // Force a gc to clear things up. 12769 Runtime.getRuntime().gc(); 12770 // Delete older code 12771 synchronized (mInstallLock) { 12772 mp.srcArgs.doPostDeleteLI(true); 12773 } 12774 } 12775 12776 // Allow more operations on this file if we didn't fail because 12777 // an operation was already pending for this package. 12778 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12779 synchronized (mPackages) { 12780 PackageParser.Package pkg = mPackages.get(mp.packageName); 12781 if (pkg != null) { 12782 pkg.mOperationPending = false; 12783 } 12784 } 12785 } 12786 12787 IPackageMoveObserver observer = mp.observer; 12788 if (observer != null) { 12789 try { 12790 observer.packageMoved(mp.packageName, returnCode); 12791 } catch (RemoteException e) { 12792 Log.i(TAG, "Observer no longer exists."); 12793 } 12794 } 12795 } 12796 }); 12797 } 12798 12799 @Override 12800 public boolean setInstallLocation(int loc) { 12801 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12802 null); 12803 if (getInstallLocation() == loc) { 12804 return true; 12805 } 12806 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12807 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12808 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12809 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12810 return true; 12811 } 12812 return false; 12813 } 12814 12815 @Override 12816 public int getInstallLocation() { 12817 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12818 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12819 PackageHelper.APP_INSTALL_AUTO); 12820 } 12821 12822 /** Called by UserManagerService */ 12823 void cleanUpUserLILPw(int userHandle) { 12824 mDirtyUsers.remove(userHandle); 12825 mSettings.removeUserLPr(userHandle); 12826 mPendingBroadcasts.remove(userHandle); 12827 if (mInstaller != null) { 12828 // Technically, we shouldn't be doing this with the package lock 12829 // held. However, this is very rare, and there is already so much 12830 // other disk I/O going on, that we'll let it slide for now. 12831 mInstaller.removeUserDataDirs(userHandle); 12832 } 12833 } 12834 12835 /** Called by UserManagerService */ 12836 void createNewUserLILPw(int userHandle, File path) { 12837 if (mInstaller != null) { 12838 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12839 } 12840 } 12841 12842 @Override 12843 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12844 mContext.enforceCallingOrSelfPermission( 12845 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12846 "Only package verification agents can read the verifier device identity"); 12847 12848 synchronized (mPackages) { 12849 return mSettings.getVerifierDeviceIdentityLPw(); 12850 } 12851 } 12852 12853 @Override 12854 public void setPermissionEnforced(String permission, boolean enforced) { 12855 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12856 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12857 synchronized (mPackages) { 12858 if (mSettings.mReadExternalStorageEnforced == null 12859 || mSettings.mReadExternalStorageEnforced != enforced) { 12860 mSettings.mReadExternalStorageEnforced = enforced; 12861 mSettings.writeLPr(); 12862 } 12863 } 12864 // kill any non-foreground processes so we restart them and 12865 // grant/revoke the GID. 12866 final IActivityManager am = ActivityManagerNative.getDefault(); 12867 if (am != null) { 12868 final long token = Binder.clearCallingIdentity(); 12869 try { 12870 am.killProcessesBelowForeground("setPermissionEnforcement"); 12871 } catch (RemoteException e) { 12872 } finally { 12873 Binder.restoreCallingIdentity(token); 12874 } 12875 } 12876 } else { 12877 throw new IllegalArgumentException("No selective enforcement for " + permission); 12878 } 12879 } 12880 12881 @Override 12882 @Deprecated 12883 public boolean isPermissionEnforced(String permission) { 12884 return true; 12885 } 12886 12887 @Override 12888 public boolean isStorageLow() { 12889 final long token = Binder.clearCallingIdentity(); 12890 try { 12891 final DeviceStorageMonitorInternal 12892 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 12893 if (dsm != null) { 12894 return dsm.isMemoryLow(); 12895 } else { 12896 return false; 12897 } 12898 } finally { 12899 Binder.restoreCallingIdentity(token); 12900 } 12901 } 12902} 12903