PackageManagerService.java revision 032f2b246bd01653c592f2b148d6a0debfe164b2
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.Manifest.permission.INSTALL_PACKAGES; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.os.Process.PACKAGE_INFO_GID; 28import static android.os.Process.SYSTEM_UID; 29import static android.system.OsConstants.S_IRGRP; 30import static android.system.OsConstants.S_IROTH; 31import static android.system.OsConstants.S_IRWXU; 32import static android.system.OsConstants.S_IXGRP; 33import static android.system.OsConstants.S_IXOTH; 34import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 35import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 36import static com.android.internal.util.ArrayUtils.appendInt; 37import static com.android.internal.util.ArrayUtils.removeInt; 38 39import com.android.internal.R; 40import com.android.internal.app.IMediaContainerService; 41import com.android.internal.app.ResolverActivity; 42import com.android.internal.content.NativeLibraryHelper; 43import com.android.internal.content.NativeLibraryHelper.ApkHandle; 44import com.android.internal.content.PackageHelper; 45import com.android.internal.util.ArrayUtils; 46import com.android.internal.util.FastPrintWriter; 47import com.android.internal.util.FastXmlSerializer; 48import com.android.internal.util.XmlUtils; 49import com.android.server.EventLogTags; 50import com.android.server.IntentResolver; 51import com.android.server.LocalServices; 52import com.android.server.ServiceThread; 53import com.android.server.Watchdog; 54import com.android.server.pm.Settings.DatabaseVersion; 55import com.android.server.storage.DeviceStorageMonitorInternal; 56import com.android.server.storage.DeviceStorageMonitorInternal; 57 58import org.xmlpull.v1.XmlPullParser; 59import org.xmlpull.v1.XmlPullParserException; 60import org.xmlpull.v1.XmlSerializer; 61 62import android.app.ActivityManager; 63import android.app.ActivityManagerNative; 64import android.app.IActivityManager; 65import android.app.PackageInstallObserver; 66import android.app.admin.IDevicePolicyManager; 67import android.app.backup.IBackupManager; 68import android.content.BroadcastReceiver; 69import android.content.ComponentName; 70import android.content.Context; 71import android.content.IIntentReceiver; 72import android.content.Intent; 73import android.content.IntentFilter; 74import android.content.IntentSender; 75import android.content.IntentSender.SendIntentException; 76import android.content.ServiceConnection; 77import android.content.pm.ActivityInfo; 78import android.content.pm.ApplicationInfo; 79import android.content.pm.ContainerEncryptionParams; 80import android.content.pm.FeatureInfo; 81import android.content.pm.IPackageDataObserver; 82import android.content.pm.IPackageDeleteObserver; 83import android.content.pm.IPackageInstallObserver; 84import android.content.pm.IPackageInstallObserver2; 85import android.content.pm.IPackageInstaller; 86import android.content.pm.IPackageManager; 87import android.content.pm.IPackageMoveObserver; 88import android.content.pm.IPackageStatsObserver; 89import android.content.pm.InstrumentationInfo; 90import android.content.pm.ManifestDigest; 91import android.content.pm.PackageCleanItem; 92import android.content.pm.PackageInfo; 93import android.content.pm.PackageInfoLite; 94import android.content.pm.PackageInstallerParams; 95import android.content.pm.PackageManager; 96import android.content.pm.PackageParser.ActivityIntentInfo; 97import android.content.pm.PackageParser.PackageParserException; 98import android.content.pm.PackageParser; 99import android.content.pm.PackageStats; 100import android.content.pm.PackageUserState; 101import android.content.pm.ParceledListSlice; 102import android.content.pm.PermissionGroupInfo; 103import android.content.pm.PermissionInfo; 104import android.content.pm.ProviderInfo; 105import android.content.pm.ResolveInfo; 106import android.content.pm.ServiceInfo; 107import android.content.pm.Signature; 108import android.content.pm.VerificationParams; 109import android.content.pm.VerifierDeviceIdentity; 110import android.content.pm.VerifierInfo; 111import android.content.res.Resources; 112import android.hardware.display.DisplayManager; 113import android.net.Uri; 114import android.os.Binder; 115import android.os.Build; 116import android.os.Bundle; 117import android.os.Environment; 118import android.os.Environment.UserEnvironment; 119import android.os.FileObserver; 120import android.os.FileUtils; 121import android.os.Handler; 122import android.os.IBinder; 123import android.os.Looper; 124import android.os.Message; 125import android.os.Parcel; 126import android.os.ParcelFileDescriptor; 127import android.os.Process; 128import android.os.RemoteException; 129import android.os.SELinux; 130import android.os.ServiceManager; 131import android.os.SystemClock; 132import android.os.SystemProperties; 133import android.os.UserHandle; 134import android.os.UserManager; 135import android.security.KeyStore; 136import android.security.SystemKeyStore; 137import android.system.ErrnoException; 138import android.system.Os; 139import android.system.StructStat; 140import android.text.TextUtils; 141import android.util.ArraySet; 142import android.util.AtomicFile; 143import android.util.DisplayMetrics; 144import android.util.EventLog; 145import android.util.Log; 146import android.util.LogPrinter; 147import android.util.PrintStreamPrinter; 148import android.util.Slog; 149import android.util.SparseArray; 150import android.util.Xml; 151import android.view.Display; 152 153import java.io.BufferedInputStream; 154import java.io.BufferedOutputStream; 155import java.io.File; 156import java.io.FileDescriptor; 157import java.io.FileInputStream; 158import java.io.FileNotFoundException; 159import java.io.FileOutputStream; 160import java.io.FileReader; 161import java.io.FilenameFilter; 162import java.io.IOException; 163import java.io.InputStream; 164import java.io.PrintWriter; 165import java.nio.charset.StandardCharsets; 166import java.security.NoSuchAlgorithmException; 167import java.security.PublicKey; 168import java.security.cert.CertificateEncodingException; 169import java.security.cert.CertificateException; 170import java.text.SimpleDateFormat; 171import java.util.ArrayList; 172import java.util.Arrays; 173import java.util.Collection; 174import java.util.Collections; 175import java.util.Comparator; 176import java.util.Date; 177import java.util.HashMap; 178import java.util.HashSet; 179import java.util.Iterator; 180import java.util.List; 181import java.util.Map; 182import java.util.Set; 183import java.util.concurrent.atomic.AtomicBoolean; 184import java.util.concurrent.atomic.AtomicLong; 185 186import dalvik.system.DexFile; 187import dalvik.system.StaleDexCacheError; 188import dalvik.system.VMRuntime; 189 190import libcore.io.IoUtils; 191 192/** 193 * Keep track of all those .apks everywhere. 194 * 195 * This is very central to the platform's security; please run the unit 196 * tests whenever making modifications here: 197 * 198mmm frameworks/base/tests/AndroidTests 199adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 200adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 201 * 202 * {@hide} 203 */ 204public class PackageManagerService extends IPackageManager.Stub { 205 static final String TAG = "PackageManager"; 206 static final boolean DEBUG_SETTINGS = false; 207 static final boolean DEBUG_PREFERRED = false; 208 static final boolean DEBUG_UPGRADE = false; 209 private static final boolean DEBUG_INSTALL = false; 210 private static final boolean DEBUG_REMOVE = false; 211 private static final boolean DEBUG_BROADCASTS = false; 212 private static final boolean DEBUG_SHOW_INFO = false; 213 private static final boolean DEBUG_PACKAGE_INFO = false; 214 private static final boolean DEBUG_INTENT_MATCHING = false; 215 private static final boolean DEBUG_PACKAGE_SCANNING = false; 216 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 217 private static final boolean DEBUG_VERIFY = false; 218 private static final boolean DEBUG_DEXOPT = false; 219 220 private static final int RADIO_UID = Process.PHONE_UID; 221 private static final int LOG_UID = Process.LOG_UID; 222 private static final int NFC_UID = Process.NFC_UID; 223 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 224 private static final int SHELL_UID = Process.SHELL_UID; 225 226 // Cap the size of permission trees that 3rd party apps can define 227 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 228 229 private static final int REMOVE_EVENTS = 230 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 231 private static final int ADD_EVENTS = 232 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 233 234 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 235 // Suffix used during package installation when copying/moving 236 // package apks to install directory. 237 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 238 239 static final int SCAN_MONITOR = 1<<0; 240 static final int SCAN_NO_DEX = 1<<1; 241 static final int SCAN_FORCE_DEX = 1<<2; 242 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 243 static final int SCAN_NEW_INSTALL = 1<<4; 244 static final int SCAN_NO_PATHS = 1<<5; 245 static final int SCAN_UPDATE_TIME = 1<<6; 246 static final int SCAN_DEFER_DEX = 1<<7; 247 static final int SCAN_BOOTING = 1<<8; 248 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 249 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 250 251 static final int REMOVE_CHATTY = 1<<16; 252 253 /** 254 * Timeout (in milliseconds) after which the watchdog should declare that 255 * our handler thread is wedged. The usual default for such things is one 256 * minute but we sometimes do very lengthy I/O operations on this thread, 257 * such as installing multi-gigabyte applications, so ours needs to be longer. 258 */ 259 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 260 261 /** 262 * Whether verification is enabled by default. 263 */ 264 private static final boolean DEFAULT_VERIFY_ENABLE = true; 265 266 /** 267 * The default maximum time to wait for the verification agent to return in 268 * milliseconds. 269 */ 270 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 271 272 /** 273 * The default response for package verification timeout. 274 * 275 * This can be either PackageManager.VERIFICATION_ALLOW or 276 * PackageManager.VERIFICATION_REJECT. 277 */ 278 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 279 280 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 281 282 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 283 DEFAULT_CONTAINER_PACKAGE, 284 "com.android.defcontainer.DefaultContainerService"); 285 286 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 287 288 private static final String LIB_DIR_NAME = "lib"; 289 private static final String LIB64_DIR_NAME = "lib64"; 290 291 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 292 293 static final String mTempContainerPrefix = "smdl2tmp"; 294 295 private static String sPreferredInstructionSet; 296 297 final ServiceThread mHandlerThread; 298 299 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 300 private static final String IDMAP_SUFFIX = "@idmap"; 301 302 final PackageHandler mHandler; 303 304 final int mSdkVersion = Build.VERSION.SDK_INT; 305 306 final Context mContext; 307 final boolean mFactoryTest; 308 final boolean mOnlyCore; 309 final DisplayMetrics mMetrics; 310 final int mDefParseFlags; 311 final String[] mSeparateProcesses; 312 313 // This is where all application persistent data goes. 314 final File mAppDataDir; 315 316 // This is where all application persistent data goes for secondary users. 317 final File mUserAppDataDir; 318 319 /** The location for ASEC container files on internal storage. */ 320 final String mAsecInternalPath; 321 322 // This is the object monitoring the framework dir. 323 final FileObserver mFrameworkInstallObserver; 324 325 // This is the object monitoring the system app dir. 326 final FileObserver mSystemInstallObserver; 327 328 // This is the object monitoring the privileged system app dir. 329 final FileObserver mPrivilegedInstallObserver; 330 331 // This is the object monitoring the vendor app dir. 332 final FileObserver mVendorInstallObserver; 333 334 // This is the object monitoring the vendor overlay package dir. 335 final FileObserver mVendorOverlayInstallObserver; 336 337 // This is the object monitoring the OEM app dir. 338 final FileObserver mOemInstallObserver; 339 340 // This is the object monitoring mAppInstallDir. 341 final FileObserver mAppInstallObserver; 342 343 // This is the object monitoring mDrmAppPrivateInstallDir. 344 final FileObserver mDrmAppInstallObserver; 345 346 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 347 // LOCK HELD. Can be called with mInstallLock held. 348 final Installer mInstaller; 349 350 final File mAppInstallDir; 351 352 /** 353 * Directory to which applications installed internally have native 354 * libraries copied. 355 */ 356 private File mAppLibInstallDir; 357 358 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 359 // apps. 360 final File mDrmAppPrivateInstallDir; 361 362 final File mAppStagingDir; 363 364 // ---------------------------------------------------------------- 365 366 // Lock for state used when installing and doing other long running 367 // operations. Methods that must be called with this lock held have 368 // the suffix "LI". 369 final Object mInstallLock = new Object(); 370 371 // These are the directories in the 3rd party applications installed dir 372 // that we have currently loaded packages from. Keys are the application's 373 // installed zip file (absolute codePath), and values are Package. 374 final HashMap<String, PackageParser.Package> mAppDirs = 375 new HashMap<String, PackageParser.Package>(); 376 377 // Information for the parser to write more useful error messages. 378 int mLastScanError; 379 380 // ---------------------------------------------------------------- 381 382 // Keys are String (package name), values are Package. This also serves 383 // as the lock for the global state. Methods that must be called with 384 // this lock held have the prefix "LP". 385 final HashMap<String, PackageParser.Package> mPackages = 386 new HashMap<String, PackageParser.Package>(); 387 388 // Tracks available target package names -> overlay package paths. 389 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 390 new HashMap<String, HashMap<String, PackageParser.Package>>(); 391 392 final Settings mSettings; 393 boolean mRestoredSettings; 394 395 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 396 int[] mGlobalGids; 397 398 // These are the built-in uid -> permission mappings that were read from the 399 // etc/permissions.xml file. 400 final SparseArray<HashSet<String>> mSystemPermissions = 401 new SparseArray<HashSet<String>>(); 402 403 static final class SharedLibraryEntry { 404 final String path; 405 final String apk; 406 407 SharedLibraryEntry(String _path, String _apk) { 408 path = _path; 409 apk = _apk; 410 } 411 } 412 413 // These are the built-in shared libraries that were read from the 414 // etc/permissions.xml file. 415 final HashMap<String, SharedLibraryEntry> mSharedLibraries 416 = new HashMap<String, SharedLibraryEntry>(); 417 418 // These are the features this devices supports that were read from the 419 // etc/permissions.xml file. 420 final HashMap<String, FeatureInfo> mAvailableFeatures = 421 new HashMap<String, FeatureInfo>(); 422 423 // If mac_permissions.xml was found for seinfo labeling. 424 boolean mFoundPolicyFile; 425 426 // If a recursive restorecon of /data/data/<pkg> is needed. 427 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 428 429 // All available activities, for your resolving pleasure. 430 final ActivityIntentResolver mActivities = 431 new ActivityIntentResolver(); 432 433 // All available receivers, for your resolving pleasure. 434 final ActivityIntentResolver mReceivers = 435 new ActivityIntentResolver(); 436 437 // All available services, for your resolving pleasure. 438 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 439 440 // All available providers, for your resolving pleasure. 441 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 442 443 // Mapping from provider base names (first directory in content URI codePath) 444 // to the provider information. 445 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 446 new HashMap<String, PackageParser.Provider>(); 447 448 // Mapping from instrumentation class names to info about them. 449 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 450 new HashMap<ComponentName, PackageParser.Instrumentation>(); 451 452 // Mapping from permission names to info about them. 453 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 454 new HashMap<String, PackageParser.PermissionGroup>(); 455 456 // Packages whose data we have transfered into another package, thus 457 // should no longer exist. 458 final HashSet<String> mTransferedPackages = new HashSet<String>(); 459 460 // Broadcast actions that are only available to the system. 461 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 462 463 /** List of packages waiting for verification. */ 464 final SparseArray<PackageVerificationState> mPendingVerification 465 = new SparseArray<PackageVerificationState>(); 466 467 final PackageInstallerService mInstallerService; 468 469 HashSet<PackageParser.Package> mDeferredDexOpt = null; 470 471 /** Token for keys in mPendingVerification. */ 472 private int mPendingVerificationToken = 0; 473 474 boolean mSystemReady; 475 boolean mSafeMode; 476 boolean mHasSystemUidErrors; 477 478 ApplicationInfo mAndroidApplication; 479 final ActivityInfo mResolveActivity = new ActivityInfo(); 480 final ResolveInfo mResolveInfo = new ResolveInfo(); 481 ComponentName mResolveComponentName; 482 PackageParser.Package mPlatformPackage; 483 ComponentName mCustomResolverComponentName; 484 485 boolean mResolverReplaced = false; 486 487 // Set of pending broadcasts for aggregating enable/disable of components. 488 static class PendingPackageBroadcasts { 489 // for each user id, a map of <package name -> components within that package> 490 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 491 492 public PendingPackageBroadcasts() { 493 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 494 } 495 496 public ArrayList<String> get(int userId, String packageName) { 497 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 498 return packages.get(packageName); 499 } 500 501 public void put(int userId, String packageName, ArrayList<String> components) { 502 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 503 packages.put(packageName, components); 504 } 505 506 public void remove(int userId, String packageName) { 507 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 508 if (packages != null) { 509 packages.remove(packageName); 510 } 511 } 512 513 public void remove(int userId) { 514 mUidMap.remove(userId); 515 } 516 517 public int userIdCount() { 518 return mUidMap.size(); 519 } 520 521 public int userIdAt(int n) { 522 return mUidMap.keyAt(n); 523 } 524 525 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 526 return mUidMap.get(userId); 527 } 528 529 public int size() { 530 // total number of pending broadcast entries across all userIds 531 int num = 0; 532 for (int i = 0; i< mUidMap.size(); i++) { 533 num += mUidMap.valueAt(i).size(); 534 } 535 return num; 536 } 537 538 public void clear() { 539 mUidMap.clear(); 540 } 541 542 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 543 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 544 if (map == null) { 545 map = new HashMap<String, ArrayList<String>>(); 546 mUidMap.put(userId, map); 547 } 548 return map; 549 } 550 } 551 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 552 553 // Service Connection to remote media container service to copy 554 // package uri's from external media onto secure containers 555 // or internal storage. 556 private IMediaContainerService mContainerService = null; 557 558 static final int SEND_PENDING_BROADCAST = 1; 559 static final int MCS_BOUND = 3; 560 static final int END_COPY = 4; 561 static final int INIT_COPY = 5; 562 static final int MCS_UNBIND = 6; 563 static final int START_CLEANING_PACKAGE = 7; 564 static final int FIND_INSTALL_LOC = 8; 565 static final int POST_INSTALL = 9; 566 static final int MCS_RECONNECT = 10; 567 static final int MCS_GIVE_UP = 11; 568 static final int UPDATED_MEDIA_STATUS = 12; 569 static final int WRITE_SETTINGS = 13; 570 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 571 static final int PACKAGE_VERIFIED = 15; 572 static final int CHECK_PENDING_VERIFICATION = 16; 573 574 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 575 576 // Delay time in millisecs 577 static final int BROADCAST_DELAY = 10 * 1000; 578 579 static UserManagerService sUserManager; 580 581 // Stores a list of users whose package restrictions file needs to be updated 582 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 583 584 final private DefaultContainerConnection mDefContainerConn = 585 new DefaultContainerConnection(); 586 class DefaultContainerConnection implements ServiceConnection { 587 public void onServiceConnected(ComponentName name, IBinder service) { 588 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 589 IMediaContainerService imcs = 590 IMediaContainerService.Stub.asInterface(service); 591 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 592 } 593 594 public void onServiceDisconnected(ComponentName name) { 595 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 596 } 597 }; 598 599 // Recordkeeping of restore-after-install operations that are currently in flight 600 // between the Package Manager and the Backup Manager 601 class PostInstallData { 602 public InstallArgs args; 603 public PackageInstalledInfo res; 604 605 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 606 args = _a; 607 res = _r; 608 } 609 }; 610 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 611 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 612 613 private final String mRequiredVerifierPackage; 614 615 private final PackageUsage mPackageUsage = new PackageUsage(); 616 617 private class PackageUsage { 618 private static final int WRITE_INTERVAL 619 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 620 621 private final Object mFileLock = new Object(); 622 private final AtomicLong mLastWritten = new AtomicLong(0); 623 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 624 625 private boolean mIsFirstBoot = false; 626 627 boolean isFirstBoot() { 628 return mIsFirstBoot; 629 } 630 631 void write(boolean force) { 632 if (force) { 633 writeInternal(); 634 return; 635 } 636 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 637 && !DEBUG_DEXOPT) { 638 return; 639 } 640 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 641 new Thread("PackageUsage_DiskWriter") { 642 @Override 643 public void run() { 644 try { 645 writeInternal(); 646 } finally { 647 mBackgroundWriteRunning.set(false); 648 } 649 } 650 }.start(); 651 } 652 } 653 654 private void writeInternal() { 655 synchronized (mPackages) { 656 synchronized (mFileLock) { 657 AtomicFile file = getFile(); 658 FileOutputStream f = null; 659 try { 660 f = file.startWrite(); 661 BufferedOutputStream out = new BufferedOutputStream(f); 662 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 663 StringBuilder sb = new StringBuilder(); 664 for (PackageParser.Package pkg : mPackages.values()) { 665 if (pkg.mLastPackageUsageTimeInMills == 0) { 666 continue; 667 } 668 sb.setLength(0); 669 sb.append(pkg.packageName); 670 sb.append(' '); 671 sb.append((long)pkg.mLastPackageUsageTimeInMills); 672 sb.append('\n'); 673 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 674 } 675 out.flush(); 676 file.finishWrite(f); 677 } catch (IOException e) { 678 if (f != null) { 679 file.failWrite(f); 680 } 681 Log.e(TAG, "Failed to write package usage times", e); 682 } 683 } 684 } 685 mLastWritten.set(SystemClock.elapsedRealtime()); 686 } 687 688 void readLP() { 689 synchronized (mFileLock) { 690 AtomicFile file = getFile(); 691 BufferedInputStream in = null; 692 try { 693 in = new BufferedInputStream(file.openRead()); 694 StringBuffer sb = new StringBuffer(); 695 while (true) { 696 String packageName = readToken(in, sb, ' '); 697 if (packageName == null) { 698 break; 699 } 700 String timeInMillisString = readToken(in, sb, '\n'); 701 if (timeInMillisString == null) { 702 throw new IOException("Failed to find last usage time for package " 703 + packageName); 704 } 705 PackageParser.Package pkg = mPackages.get(packageName); 706 if (pkg == null) { 707 continue; 708 } 709 long timeInMillis; 710 try { 711 timeInMillis = Long.parseLong(timeInMillisString.toString()); 712 } catch (NumberFormatException e) { 713 throw new IOException("Failed to parse " + timeInMillisString 714 + " as a long.", e); 715 } 716 pkg.mLastPackageUsageTimeInMills = timeInMillis; 717 } 718 } catch (FileNotFoundException expected) { 719 mIsFirstBoot = true; 720 } catch (IOException e) { 721 Log.w(TAG, "Failed to read package usage times", e); 722 } finally { 723 IoUtils.closeQuietly(in); 724 } 725 } 726 mLastWritten.set(SystemClock.elapsedRealtime()); 727 } 728 729 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 730 throws IOException { 731 sb.setLength(0); 732 while (true) { 733 int ch = in.read(); 734 if (ch == -1) { 735 if (sb.length() == 0) { 736 return null; 737 } 738 throw new IOException("Unexpected EOF"); 739 } 740 if (ch == endOfToken) { 741 return sb.toString(); 742 } 743 sb.append((char)ch); 744 } 745 } 746 747 private AtomicFile getFile() { 748 File dataDir = Environment.getDataDirectory(); 749 File systemDir = new File(dataDir, "system"); 750 File fname = new File(systemDir, "package-usage.list"); 751 return new AtomicFile(fname); 752 } 753 } 754 755 class PackageHandler extends Handler { 756 private boolean mBound = false; 757 final ArrayList<HandlerParams> mPendingInstalls = 758 new ArrayList<HandlerParams>(); 759 760 private boolean connectToService() { 761 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 762 " DefaultContainerService"); 763 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 764 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 765 if (mContext.bindServiceAsUser(service, mDefContainerConn, 766 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 767 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 768 mBound = true; 769 return true; 770 } 771 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 772 return false; 773 } 774 775 private void disconnectService() { 776 mContainerService = null; 777 mBound = false; 778 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 779 mContext.unbindService(mDefContainerConn); 780 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 781 } 782 783 PackageHandler(Looper looper) { 784 super(looper); 785 } 786 787 public void handleMessage(Message msg) { 788 try { 789 doHandleMessage(msg); 790 } finally { 791 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 792 } 793 } 794 795 void doHandleMessage(Message msg) { 796 switch (msg.what) { 797 case INIT_COPY: { 798 HandlerParams params = (HandlerParams) msg.obj; 799 int idx = mPendingInstalls.size(); 800 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 801 // If a bind was already initiated we dont really 802 // need to do anything. The pending install 803 // will be processed later on. 804 if (!mBound) { 805 // If this is the only one pending we might 806 // have to bind to the service again. 807 if (!connectToService()) { 808 Slog.e(TAG, "Failed to bind to media container service"); 809 params.serviceError(); 810 return; 811 } else { 812 // Once we bind to the service, the first 813 // pending request will be processed. 814 mPendingInstalls.add(idx, params); 815 } 816 } else { 817 mPendingInstalls.add(idx, params); 818 // Already bound to the service. Just make 819 // sure we trigger off processing the first request. 820 if (idx == 0) { 821 mHandler.sendEmptyMessage(MCS_BOUND); 822 } 823 } 824 break; 825 } 826 case MCS_BOUND: { 827 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 828 if (msg.obj != null) { 829 mContainerService = (IMediaContainerService) msg.obj; 830 } 831 if (mContainerService == null) { 832 // Something seriously wrong. Bail out 833 Slog.e(TAG, "Cannot bind to media container service"); 834 for (HandlerParams params : mPendingInstalls) { 835 // Indicate service bind error 836 params.serviceError(); 837 } 838 mPendingInstalls.clear(); 839 } else if (mPendingInstalls.size() > 0) { 840 HandlerParams params = mPendingInstalls.get(0); 841 if (params != null) { 842 if (params.startCopy()) { 843 // We are done... look for more work or to 844 // go idle. 845 if (DEBUG_SD_INSTALL) Log.i(TAG, 846 "Checking for more work or unbind..."); 847 // Delete pending install 848 if (mPendingInstalls.size() > 0) { 849 mPendingInstalls.remove(0); 850 } 851 if (mPendingInstalls.size() == 0) { 852 if (mBound) { 853 if (DEBUG_SD_INSTALL) Log.i(TAG, 854 "Posting delayed MCS_UNBIND"); 855 removeMessages(MCS_UNBIND); 856 Message ubmsg = obtainMessage(MCS_UNBIND); 857 // Unbind after a little delay, to avoid 858 // continual thrashing. 859 sendMessageDelayed(ubmsg, 10000); 860 } 861 } else { 862 // There are more pending requests in queue. 863 // Just post MCS_BOUND message to trigger processing 864 // of next pending install. 865 if (DEBUG_SD_INSTALL) Log.i(TAG, 866 "Posting MCS_BOUND for next work"); 867 mHandler.sendEmptyMessage(MCS_BOUND); 868 } 869 } 870 } 871 } else { 872 // Should never happen ideally. 873 Slog.w(TAG, "Empty queue"); 874 } 875 break; 876 } 877 case MCS_RECONNECT: { 878 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 879 if (mPendingInstalls.size() > 0) { 880 if (mBound) { 881 disconnectService(); 882 } 883 if (!connectToService()) { 884 Slog.e(TAG, "Failed to bind to media container service"); 885 for (HandlerParams params : mPendingInstalls) { 886 // Indicate service bind error 887 params.serviceError(); 888 } 889 mPendingInstalls.clear(); 890 } 891 } 892 break; 893 } 894 case MCS_UNBIND: { 895 // If there is no actual work left, then time to unbind. 896 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 897 898 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 899 if (mBound) { 900 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 901 902 disconnectService(); 903 } 904 } else if (mPendingInstalls.size() > 0) { 905 // There are more pending requests in queue. 906 // Just post MCS_BOUND message to trigger processing 907 // of next pending install. 908 mHandler.sendEmptyMessage(MCS_BOUND); 909 } 910 911 break; 912 } 913 case MCS_GIVE_UP: { 914 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 915 mPendingInstalls.remove(0); 916 break; 917 } 918 case SEND_PENDING_BROADCAST: { 919 String packages[]; 920 ArrayList<String> components[]; 921 int size = 0; 922 int uids[]; 923 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 924 synchronized (mPackages) { 925 if (mPendingBroadcasts == null) { 926 return; 927 } 928 size = mPendingBroadcasts.size(); 929 if (size <= 0) { 930 // Nothing to be done. Just return 931 return; 932 } 933 packages = new String[size]; 934 components = new ArrayList[size]; 935 uids = new int[size]; 936 int i = 0; // filling out the above arrays 937 938 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 939 int packageUserId = mPendingBroadcasts.userIdAt(n); 940 Iterator<Map.Entry<String, ArrayList<String>>> it 941 = mPendingBroadcasts.packagesForUserId(packageUserId) 942 .entrySet().iterator(); 943 while (it.hasNext() && i < size) { 944 Map.Entry<String, ArrayList<String>> ent = it.next(); 945 packages[i] = ent.getKey(); 946 components[i] = ent.getValue(); 947 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 948 uids[i] = (ps != null) 949 ? UserHandle.getUid(packageUserId, ps.appId) 950 : -1; 951 i++; 952 } 953 } 954 size = i; 955 mPendingBroadcasts.clear(); 956 } 957 // Send broadcasts 958 for (int i = 0; i < size; i++) { 959 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 960 } 961 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 962 break; 963 } 964 case START_CLEANING_PACKAGE: { 965 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 966 final String packageName = (String)msg.obj; 967 final int userId = msg.arg1; 968 final boolean andCode = msg.arg2 != 0; 969 synchronized (mPackages) { 970 if (userId == UserHandle.USER_ALL) { 971 int[] users = sUserManager.getUserIds(); 972 for (int user : users) { 973 mSettings.addPackageToCleanLPw( 974 new PackageCleanItem(user, packageName, andCode)); 975 } 976 } else { 977 mSettings.addPackageToCleanLPw( 978 new PackageCleanItem(userId, packageName, andCode)); 979 } 980 } 981 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 982 startCleaningPackages(); 983 } break; 984 case POST_INSTALL: { 985 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 986 PostInstallData data = mRunningInstalls.get(msg.arg1); 987 mRunningInstalls.delete(msg.arg1); 988 boolean deleteOld = false; 989 990 if (data != null) { 991 InstallArgs args = data.args; 992 PackageInstalledInfo res = data.res; 993 994 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 995 res.removedInfo.sendBroadcast(false, true, false); 996 Bundle extras = new Bundle(1); 997 extras.putInt(Intent.EXTRA_UID, res.uid); 998 // Determine the set of users who are adding this 999 // package for the first time vs. those who are seeing 1000 // an update. 1001 int[] firstUsers; 1002 int[] updateUsers = new int[0]; 1003 if (res.origUsers == null || res.origUsers.length == 0) { 1004 firstUsers = res.newUsers; 1005 } else { 1006 firstUsers = new int[0]; 1007 for (int i=0; i<res.newUsers.length; i++) { 1008 int user = res.newUsers[i]; 1009 boolean isNew = true; 1010 for (int j=0; j<res.origUsers.length; j++) { 1011 if (res.origUsers[j] == user) { 1012 isNew = false; 1013 break; 1014 } 1015 } 1016 if (isNew) { 1017 int[] newFirst = new int[firstUsers.length+1]; 1018 System.arraycopy(firstUsers, 0, newFirst, 0, 1019 firstUsers.length); 1020 newFirst[firstUsers.length] = user; 1021 firstUsers = newFirst; 1022 } else { 1023 int[] newUpdate = new int[updateUsers.length+1]; 1024 System.arraycopy(updateUsers, 0, newUpdate, 0, 1025 updateUsers.length); 1026 newUpdate[updateUsers.length] = user; 1027 updateUsers = newUpdate; 1028 } 1029 } 1030 } 1031 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1032 res.pkg.applicationInfo.packageName, 1033 extras, null, null, firstUsers); 1034 final boolean update = res.removedInfo.removedPackage != null; 1035 if (update) { 1036 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1037 } 1038 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1039 res.pkg.applicationInfo.packageName, 1040 extras, null, null, updateUsers); 1041 if (update) { 1042 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1043 res.pkg.applicationInfo.packageName, 1044 extras, null, null, updateUsers); 1045 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1046 null, null, 1047 res.pkg.applicationInfo.packageName, null, updateUsers); 1048 1049 // treat asec-hosted packages like removable media on upgrade 1050 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1051 if (DEBUG_INSTALL) { 1052 Slog.i(TAG, "upgrading pkg " + res.pkg 1053 + " is ASEC-hosted -> AVAILABLE"); 1054 } 1055 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1056 ArrayList<String> pkgList = new ArrayList<String>(1); 1057 pkgList.add(res.pkg.applicationInfo.packageName); 1058 sendResourcesChangedBroadcast(true, true, 1059 pkgList,uidArray, null); 1060 } 1061 } 1062 if (res.removedInfo.args != null) { 1063 // Remove the replaced package's older resources safely now 1064 deleteOld = true; 1065 } 1066 1067 // Log current value of "unknown sources" setting 1068 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1069 getUnknownSourcesSettings()); 1070 } 1071 // Force a gc to clear up things 1072 Runtime.getRuntime().gc(); 1073 // We delete after a gc for applications on sdcard. 1074 if (deleteOld) { 1075 synchronized (mInstallLock) { 1076 res.removedInfo.args.doPostDeleteLI(true); 1077 } 1078 } 1079 if (args.observer != null) { 1080 try { 1081 args.observer.packageInstalled(res.name, res.returnCode); 1082 } catch (RemoteException e) { 1083 Slog.i(TAG, "Observer no longer exists."); 1084 } 1085 } 1086 if (args.observer2 != null) { 1087 try { 1088 Bundle extras = extrasForInstallResult(res); 1089 args.observer2.packageInstalled(res.name, extras, res.returnCode); 1090 } catch (RemoteException e) { 1091 Slog.i(TAG, "Observer no longer exists."); 1092 } 1093 } 1094 } else { 1095 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1096 } 1097 } break; 1098 case UPDATED_MEDIA_STATUS: { 1099 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1100 boolean reportStatus = msg.arg1 == 1; 1101 boolean doGc = msg.arg2 == 1; 1102 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1103 if (doGc) { 1104 // Force a gc to clear up stale containers. 1105 Runtime.getRuntime().gc(); 1106 } 1107 if (msg.obj != null) { 1108 @SuppressWarnings("unchecked") 1109 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1110 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1111 // Unload containers 1112 unloadAllContainers(args); 1113 } 1114 if (reportStatus) { 1115 try { 1116 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1117 PackageHelper.getMountService().finishMediaUpdate(); 1118 } catch (RemoteException e) { 1119 Log.e(TAG, "MountService not running?"); 1120 } 1121 } 1122 } break; 1123 case WRITE_SETTINGS: { 1124 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1125 synchronized (mPackages) { 1126 removeMessages(WRITE_SETTINGS); 1127 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1128 mSettings.writeLPr(); 1129 mDirtyUsers.clear(); 1130 } 1131 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1132 } break; 1133 case WRITE_PACKAGE_RESTRICTIONS: { 1134 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1135 synchronized (mPackages) { 1136 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1137 for (int userId : mDirtyUsers) { 1138 mSettings.writePackageRestrictionsLPr(userId); 1139 } 1140 mDirtyUsers.clear(); 1141 } 1142 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1143 } break; 1144 case CHECK_PENDING_VERIFICATION: { 1145 final int verificationId = msg.arg1; 1146 final PackageVerificationState state = mPendingVerification.get(verificationId); 1147 1148 if ((state != null) && !state.timeoutExtended()) { 1149 final InstallArgs args = state.getInstallArgs(); 1150 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 1151 mPendingVerification.remove(verificationId); 1152 1153 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1154 1155 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1156 Slog.i(TAG, "Continuing with installation of " 1157 + args.packageURI.toString()); 1158 state.setVerifierResponse(Binder.getCallingUid(), 1159 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1160 broadcastPackageVerified(verificationId, args.packageURI, 1161 PackageManager.VERIFICATION_ALLOW, 1162 state.getInstallArgs().getUser()); 1163 try { 1164 ret = args.copyApk(mContainerService, true); 1165 } catch (RemoteException e) { 1166 Slog.e(TAG, "Could not contact the ContainerService"); 1167 } 1168 } else { 1169 broadcastPackageVerified(verificationId, args.packageURI, 1170 PackageManager.VERIFICATION_REJECT, 1171 state.getInstallArgs().getUser()); 1172 } 1173 1174 processPendingInstall(args, ret); 1175 mHandler.sendEmptyMessage(MCS_UNBIND); 1176 } 1177 break; 1178 } 1179 case PACKAGE_VERIFIED: { 1180 final int verificationId = msg.arg1; 1181 1182 final PackageVerificationState state = mPendingVerification.get(verificationId); 1183 if (state == null) { 1184 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1185 break; 1186 } 1187 1188 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1189 1190 state.setVerifierResponse(response.callerUid, response.code); 1191 1192 if (state.isVerificationComplete()) { 1193 mPendingVerification.remove(verificationId); 1194 1195 final InstallArgs args = state.getInstallArgs(); 1196 1197 int ret; 1198 if (state.isInstallAllowed()) { 1199 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1200 broadcastPackageVerified(verificationId, args.packageURI, 1201 response.code, state.getInstallArgs().getUser()); 1202 try { 1203 ret = args.copyApk(mContainerService, true); 1204 } catch (RemoteException e) { 1205 Slog.e(TAG, "Could not contact the ContainerService"); 1206 } 1207 } else { 1208 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1209 } 1210 1211 processPendingInstall(args, ret); 1212 1213 mHandler.sendEmptyMessage(MCS_UNBIND); 1214 } 1215 1216 break; 1217 } 1218 } 1219 } 1220 } 1221 1222 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1223 Bundle extras = null; 1224 switch (res.returnCode) { 1225 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1226 extras = new Bundle(); 1227 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1228 res.origPermission); 1229 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1230 res.origPackage); 1231 break; 1232 } 1233 } 1234 return extras; 1235 } 1236 1237 void scheduleWriteSettingsLocked() { 1238 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1239 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1240 } 1241 } 1242 1243 void scheduleWritePackageRestrictionsLocked(int userId) { 1244 if (!sUserManager.exists(userId)) return; 1245 mDirtyUsers.add(userId); 1246 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1247 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1248 } 1249 } 1250 1251 public static final PackageManagerService main(Context context, Installer installer, 1252 boolean factoryTest, boolean onlyCore) { 1253 PackageManagerService m = new PackageManagerService(context, installer, 1254 factoryTest, onlyCore); 1255 ServiceManager.addService("package", m); 1256 return m; 1257 } 1258 1259 static String[] splitString(String str, char sep) { 1260 int count = 1; 1261 int i = 0; 1262 while ((i=str.indexOf(sep, i)) >= 0) { 1263 count++; 1264 i++; 1265 } 1266 1267 String[] res = new String[count]; 1268 i=0; 1269 count = 0; 1270 int lastI=0; 1271 while ((i=str.indexOf(sep, i)) >= 0) { 1272 res[count] = str.substring(lastI, i); 1273 count++; 1274 i++; 1275 lastI = i; 1276 } 1277 res[count] = str.substring(lastI, str.length()); 1278 return res; 1279 } 1280 1281 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1282 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1283 Context.DISPLAY_SERVICE); 1284 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1285 } 1286 1287 public PackageManagerService(Context context, Installer installer, 1288 boolean factoryTest, boolean onlyCore) { 1289 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1290 SystemClock.uptimeMillis()); 1291 1292 if (mSdkVersion <= 0) { 1293 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1294 } 1295 1296 mContext = context; 1297 mFactoryTest = factoryTest; 1298 mOnlyCore = onlyCore; 1299 mMetrics = new DisplayMetrics(); 1300 mSettings = new Settings(context); 1301 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1302 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1303 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1304 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1305 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1306 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1307 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1308 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1309 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1310 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1311 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1312 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1313 1314 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1315 if (separateProcesses != null && separateProcesses.length() > 0) { 1316 if ("*".equals(separateProcesses)) { 1317 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1318 mSeparateProcesses = null; 1319 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1320 } else { 1321 mDefParseFlags = 0; 1322 mSeparateProcesses = separateProcesses.split(","); 1323 Slog.w(TAG, "Running with debug.separate_processes: " 1324 + separateProcesses); 1325 } 1326 } else { 1327 mDefParseFlags = 0; 1328 mSeparateProcesses = null; 1329 } 1330 1331 mInstaller = installer; 1332 1333 getDefaultDisplayMetrics(context, mMetrics); 1334 1335 synchronized (mInstallLock) { 1336 // writer 1337 synchronized (mPackages) { 1338 mHandlerThread = new ServiceThread(TAG, 1339 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1340 mHandlerThread.start(); 1341 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1342 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1343 1344 File dataDir = Environment.getDataDirectory(); 1345 mAppDataDir = new File(dataDir, "data"); 1346 mAppInstallDir = new File(dataDir, "app"); 1347 mAppLibInstallDir = new File(dataDir, "app-lib"); 1348 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1349 mUserAppDataDir = new File(dataDir, "user"); 1350 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1351 mAppStagingDir = new File(dataDir, "app-staging"); 1352 1353 sUserManager = new UserManagerService(context, this, 1354 mInstallLock, mPackages); 1355 1356 // Read permissions and features from system 1357 readPermissions(Environment.buildPath( 1358 Environment.getRootDirectory(), "etc", "permissions"), false); 1359 // Only read features from OEM 1360 readPermissions(Environment.buildPath( 1361 Environment.getOemDirectory(), "etc", "permissions"), true); 1362 1363 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1364 1365 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1366 mSdkVersion, mOnlyCore); 1367 1368 String customResolverActivity = Resources.getSystem().getString( 1369 R.string.config_customResolverActivity); 1370 if (TextUtils.isEmpty(customResolverActivity)) { 1371 customResolverActivity = null; 1372 } else { 1373 mCustomResolverComponentName = ComponentName.unflattenFromString( 1374 customResolverActivity); 1375 } 1376 1377 long startTime = SystemClock.uptimeMillis(); 1378 1379 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1380 startTime); 1381 1382 // Set flag to monitor and not change apk file paths when 1383 // scanning install directories. 1384 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1385 1386 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1387 1388 /** 1389 * Add everything in the in the boot class path to the 1390 * list of process files because dexopt will have been run 1391 * if necessary during zygote startup. 1392 */ 1393 String bootClassPath = System.getProperty("java.boot.class.path"); 1394 if (bootClassPath != null) { 1395 String[] paths = splitString(bootClassPath, ':'); 1396 for (int i=0; i<paths.length; i++) { 1397 alreadyDexOpted.add(paths[i]); 1398 } 1399 } else { 1400 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1401 } 1402 1403 boolean didDexOptLibraryOrTool = false; 1404 1405 final List<String> instructionSets = getAllInstructionSets(); 1406 1407 /** 1408 * Ensure all external libraries have had dexopt run on them. 1409 */ 1410 if (mSharedLibraries.size() > 0) { 1411 // NOTE: For now, we're compiling these system "shared libraries" 1412 // (and framework jars) into all available architectures. It's possible 1413 // to compile them only when we come across an app that uses them (there's 1414 // already logic for that in scanPackageLI) but that adds some complexity. 1415 for (String instructionSet : instructionSets) { 1416 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1417 final String lib = libEntry.path; 1418 if (lib == null) { 1419 continue; 1420 } 1421 1422 try { 1423 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1424 alreadyDexOpted.add(lib); 1425 1426 // The list of "shared libraries" we have at this point is 1427 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1428 didDexOptLibraryOrTool = true; 1429 } 1430 } catch (FileNotFoundException e) { 1431 Slog.w(TAG, "Library not found: " + lib); 1432 } catch (IOException e) { 1433 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1434 + e.getMessage()); 1435 } 1436 } 1437 } 1438 } 1439 1440 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1441 1442 // Gross hack for now: we know this file doesn't contain any 1443 // code, so don't dexopt it to avoid the resulting log spew. 1444 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1445 1446 // Gross hack for now: we know this file is only part of 1447 // the boot class path for art, so don't dexopt it to 1448 // avoid the resulting log spew. 1449 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1450 1451 /** 1452 * And there are a number of commands implemented in Java, which 1453 * we currently need to do the dexopt on so that they can be 1454 * run from a non-root shell. 1455 */ 1456 String[] frameworkFiles = frameworkDir.list(); 1457 if (frameworkFiles != null) { 1458 // TODO: We could compile these only for the most preferred ABI. We should 1459 // first double check that the dex files for these commands are not referenced 1460 // by other system apps. 1461 for (String instructionSet : instructionSets) { 1462 for (int i=0; i<frameworkFiles.length; i++) { 1463 File libPath = new File(frameworkDir, frameworkFiles[i]); 1464 String path = libPath.getPath(); 1465 // Skip the file if we already did it. 1466 if (alreadyDexOpted.contains(path)) { 1467 continue; 1468 } 1469 // Skip the file if it is not a type we want to dexopt. 1470 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1471 continue; 1472 } 1473 try { 1474 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1475 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1476 didDexOptLibraryOrTool = true; 1477 } 1478 } catch (FileNotFoundException e) { 1479 Slog.w(TAG, "Jar not found: " + path); 1480 } catch (IOException e) { 1481 Slog.w(TAG, "Exception reading jar: " + path, e); 1482 } 1483 } 1484 } 1485 } 1486 1487 if (didDexOptLibraryOrTool) { 1488 // If we dexopted a library or tool, then something on the system has 1489 // changed. Consider this significant, and wipe away all other 1490 // existing dexopt files to ensure we don't leave any dangling around. 1491 // 1492 // Additionally, delete all dex files from the root directory 1493 // since there shouldn't be any there anyway. 1494 // 1495 // TODO: This should be revisited because it isn't as good an indicator 1496 // as it used to be. It used to include the boot classpath but at some point 1497 // DexFile.isDexOptNeeded started returning false for the boot 1498 // class path files in all cases. It is very possible in a 1499 // small maintenance release update that the library and tool 1500 // jars may be unchanged but APK could be removed resulting in 1501 // unused dalvik-cache files. 1502 mInstaller.pruneDexCache(); 1503 } 1504 1505 // Collect vendor overlay packages. 1506 // (Do this before scanning any apps.) 1507 // For security and version matching reason, only consider 1508 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1509 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1510 mVendorOverlayInstallObserver = new AppDirObserver( 1511 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1512 mVendorOverlayInstallObserver.startWatching(); 1513 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1514 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1515 1516 // Find base frameworks (resource packages without code). 1517 mFrameworkInstallObserver = new AppDirObserver( 1518 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1519 mFrameworkInstallObserver.startWatching(); 1520 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1521 | PackageParser.PARSE_IS_SYSTEM_DIR 1522 | PackageParser.PARSE_IS_PRIVILEGED, 1523 scanMode | SCAN_NO_DEX, 0); 1524 1525 // Collected privileged system packages. 1526 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1527 mPrivilegedInstallObserver = new AppDirObserver( 1528 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1529 mPrivilegedInstallObserver.startWatching(); 1530 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1531 | PackageParser.PARSE_IS_SYSTEM_DIR 1532 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1533 1534 // Collect ordinary system packages. 1535 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1536 mSystemInstallObserver = new AppDirObserver( 1537 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1538 mSystemInstallObserver.startWatching(); 1539 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1540 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1541 1542 // Collect all vendor packages. 1543 File vendorAppDir = new File("/vendor/app"); 1544 try { 1545 vendorAppDir = vendorAppDir.getCanonicalFile(); 1546 } catch (IOException e) { 1547 // failed to look up canonical path, continue with original one 1548 } 1549 mVendorInstallObserver = new AppDirObserver( 1550 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1551 mVendorInstallObserver.startWatching(); 1552 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1553 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1554 1555 // Collect all OEM packages. 1556 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1557 mOemInstallObserver = new AppDirObserver( 1558 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1559 mOemInstallObserver.startWatching(); 1560 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1561 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1562 1563 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1564 mInstaller.moveFiles(); 1565 1566 // Prune any system packages that no longer exist. 1567 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1568 if (!mOnlyCore) { 1569 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1570 while (psit.hasNext()) { 1571 PackageSetting ps = psit.next(); 1572 1573 /* 1574 * If this is not a system app, it can't be a 1575 * disable system app. 1576 */ 1577 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1578 continue; 1579 } 1580 1581 /* 1582 * If the package is scanned, it's not erased. 1583 */ 1584 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1585 if (scannedPkg != null) { 1586 /* 1587 * If the system app is both scanned and in the 1588 * disabled packages list, then it must have been 1589 * added via OTA. Remove it from the currently 1590 * scanned package so the previously user-installed 1591 * application can be scanned. 1592 */ 1593 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1594 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1595 + "; removing system app"); 1596 removePackageLI(ps, true); 1597 } 1598 1599 continue; 1600 } 1601 1602 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1603 psit.remove(); 1604 String msg = "System package " + ps.name 1605 + " no longer exists; wiping its data"; 1606 reportSettingsProblem(Log.WARN, msg); 1607 removeDataDirsLI(ps.name); 1608 } else { 1609 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1610 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1611 possiblyDeletedUpdatedSystemApps.add(ps.name); 1612 } 1613 } 1614 } 1615 } 1616 1617 //look for any incomplete package installations 1618 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1619 //clean up list 1620 for(int i = 0; i < deletePkgsList.size(); i++) { 1621 //clean up here 1622 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1623 } 1624 //delete tmp files 1625 deleteTempPackageFiles(); 1626 1627 // Remove any shared userIDs that have no associated packages 1628 mSettings.pruneSharedUsersLPw(); 1629 1630 if (!mOnlyCore) { 1631 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1632 SystemClock.uptimeMillis()); 1633 mAppInstallObserver = new AppDirObserver( 1634 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1635 mAppInstallObserver.startWatching(); 1636 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1637 1638 mDrmAppInstallObserver = new AppDirObserver( 1639 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1640 mDrmAppInstallObserver.startWatching(); 1641 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1642 scanMode, 0); 1643 1644 /** 1645 * Remove disable package settings for any updated system 1646 * apps that were removed via an OTA. If they're not a 1647 * previously-updated app, remove them completely. 1648 * Otherwise, just revoke their system-level permissions. 1649 */ 1650 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1651 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1652 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1653 1654 String msg; 1655 if (deletedPkg == null) { 1656 msg = "Updated system package " + deletedAppName 1657 + " no longer exists; wiping its data"; 1658 removeDataDirsLI(deletedAppName); 1659 } else { 1660 msg = "Updated system app + " + deletedAppName 1661 + " no longer present; removing system privileges for " 1662 + deletedAppName; 1663 1664 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1665 1666 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1667 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1668 } 1669 reportSettingsProblem(Log.WARN, msg); 1670 } 1671 } else { 1672 mAppInstallObserver = null; 1673 mDrmAppInstallObserver = null; 1674 } 1675 1676 // Now that we know all of the shared libraries, update all clients to have 1677 // the correct library paths. 1678 updateAllSharedLibrariesLPw(); 1679 1680 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1681 // NOTE: We ignore potential failures here during a system scan (like 1682 // the rest of the commands above) because there's precious little we 1683 // can do about it. A settings error is reported, though. 1684 adjustCpuAbisForSharedUserLPw(setting.packages, null, 1685 false /* force dexopt */, false /* defer dexopt */); 1686 } 1687 1688 // Now that we know all the packages we are keeping, 1689 // read and update their last usage times. 1690 mPackageUsage.readLP(); 1691 1692 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1693 SystemClock.uptimeMillis()); 1694 Slog.i(TAG, "Time to scan packages: " 1695 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1696 + " seconds"); 1697 1698 // If the platform SDK has changed since the last time we booted, 1699 // we need to re-grant app permission to catch any new ones that 1700 // appear. This is really a hack, and means that apps can in some 1701 // cases get permissions that the user didn't initially explicitly 1702 // allow... it would be nice to have some better way to handle 1703 // this situation. 1704 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1705 != mSdkVersion; 1706 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1707 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1708 + "; regranting permissions for internal storage"); 1709 mSettings.mInternalSdkPlatform = mSdkVersion; 1710 1711 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1712 | (regrantPermissions 1713 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1714 : 0)); 1715 1716 // If this is the first boot, and it is a normal boot, then 1717 // we need to initialize the default preferred apps. 1718 if (!mRestoredSettings && !onlyCore) { 1719 mSettings.readDefaultPreferredAppsLPw(this, 0); 1720 } 1721 1722 // All the changes are done during package scanning. 1723 mSettings.updateInternalDatabaseVersion(); 1724 1725 // can downgrade to reader 1726 mSettings.writeLPr(); 1727 1728 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1729 SystemClock.uptimeMillis()); 1730 1731 1732 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1733 } // synchronized (mPackages) 1734 } // synchronized (mInstallLock) 1735 1736 mInstallerService = new PackageInstallerService(context, this, mAppStagingDir); 1737 1738 // Now after opening every single application zip, make sure they 1739 // are all flushed. Not really needed, but keeps things nice and 1740 // tidy. 1741 Runtime.getRuntime().gc(); 1742 } 1743 1744 @Override 1745 public boolean isFirstBoot() { 1746 return !mRestoredSettings || mPackageUsage.isFirstBoot(); 1747 } 1748 1749 @Override 1750 public boolean isOnlyCoreApps() { 1751 return mOnlyCore; 1752 } 1753 1754 private String getRequiredVerifierLPr() { 1755 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1756 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1757 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1758 1759 String requiredVerifier = null; 1760 1761 final int N = receivers.size(); 1762 for (int i = 0; i < N; i++) { 1763 final ResolveInfo info = receivers.get(i); 1764 1765 if (info.activityInfo == null) { 1766 continue; 1767 } 1768 1769 final String packageName = info.activityInfo.packageName; 1770 1771 final PackageSetting ps = mSettings.mPackages.get(packageName); 1772 if (ps == null) { 1773 continue; 1774 } 1775 1776 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1777 if (!gp.grantedPermissions 1778 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1779 continue; 1780 } 1781 1782 if (requiredVerifier != null) { 1783 throw new RuntimeException("There can be only one required verifier"); 1784 } 1785 1786 requiredVerifier = packageName; 1787 } 1788 1789 return requiredVerifier; 1790 } 1791 1792 @Override 1793 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1794 throws RemoteException { 1795 try { 1796 return super.onTransact(code, data, reply, flags); 1797 } catch (RuntimeException e) { 1798 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1799 Slog.wtf(TAG, "Package Manager Crash", e); 1800 } 1801 throw e; 1802 } 1803 } 1804 1805 void cleanupInstallFailedPackage(PackageSetting ps) { 1806 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1807 removeDataDirsLI(ps.name); 1808 if (ps.codePath != null) { 1809 if (!ps.codePath.delete()) { 1810 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1811 } 1812 } 1813 if (ps.resourcePath != null) { 1814 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1815 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1816 } 1817 } 1818 mSettings.removePackageLPw(ps.name); 1819 } 1820 1821 void readPermissions(File libraryDir, boolean onlyFeatures) { 1822 // Read permissions from .../etc/permission directory. 1823 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1824 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1825 return; 1826 } 1827 if (!libraryDir.canRead()) { 1828 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1829 return; 1830 } 1831 1832 // Iterate over the files in the directory and scan .xml files 1833 for (File f : libraryDir.listFiles()) { 1834 // We'll read platform.xml last 1835 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1836 continue; 1837 } 1838 1839 if (!f.getPath().endsWith(".xml")) { 1840 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1841 continue; 1842 } 1843 if (!f.canRead()) { 1844 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1845 continue; 1846 } 1847 1848 readPermissionsFromXml(f, onlyFeatures); 1849 } 1850 1851 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1852 final File permFile = new File(Environment.getRootDirectory(), 1853 "etc/permissions/platform.xml"); 1854 readPermissionsFromXml(permFile, onlyFeatures); 1855 } 1856 1857 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1858 FileReader permReader = null; 1859 try { 1860 permReader = new FileReader(permFile); 1861 } catch (FileNotFoundException e) { 1862 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1863 return; 1864 } 1865 1866 try { 1867 XmlPullParser parser = Xml.newPullParser(); 1868 parser.setInput(permReader); 1869 1870 XmlUtils.beginDocument(parser, "permissions"); 1871 1872 while (true) { 1873 XmlUtils.nextElement(parser); 1874 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1875 break; 1876 } 1877 1878 String name = parser.getName(); 1879 if ("group".equals(name) && !onlyFeatures) { 1880 String gidStr = parser.getAttributeValue(null, "gid"); 1881 if (gidStr != null) { 1882 int gid = Process.getGidForName(gidStr); 1883 mGlobalGids = appendInt(mGlobalGids, gid); 1884 } else { 1885 Slog.w(TAG, "<group> without gid at " 1886 + parser.getPositionDescription()); 1887 } 1888 1889 XmlUtils.skipCurrentTag(parser); 1890 continue; 1891 } else if ("permission".equals(name) && !onlyFeatures) { 1892 String perm = parser.getAttributeValue(null, "name"); 1893 if (perm == null) { 1894 Slog.w(TAG, "<permission> without name at " 1895 + parser.getPositionDescription()); 1896 XmlUtils.skipCurrentTag(parser); 1897 continue; 1898 } 1899 perm = perm.intern(); 1900 readPermission(parser, perm); 1901 1902 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1903 String perm = parser.getAttributeValue(null, "name"); 1904 if (perm == null) { 1905 Slog.w(TAG, "<assign-permission> without name at " 1906 + parser.getPositionDescription()); 1907 XmlUtils.skipCurrentTag(parser); 1908 continue; 1909 } 1910 String uidStr = parser.getAttributeValue(null, "uid"); 1911 if (uidStr == null) { 1912 Slog.w(TAG, "<assign-permission> without uid at " 1913 + parser.getPositionDescription()); 1914 XmlUtils.skipCurrentTag(parser); 1915 continue; 1916 } 1917 int uid = Process.getUidForName(uidStr); 1918 if (uid < 0) { 1919 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1920 + uidStr + "\" at " 1921 + parser.getPositionDescription()); 1922 XmlUtils.skipCurrentTag(parser); 1923 continue; 1924 } 1925 perm = perm.intern(); 1926 HashSet<String> perms = mSystemPermissions.get(uid); 1927 if (perms == null) { 1928 perms = new HashSet<String>(); 1929 mSystemPermissions.put(uid, perms); 1930 } 1931 perms.add(perm); 1932 XmlUtils.skipCurrentTag(parser); 1933 1934 } else if ("library".equals(name) && !onlyFeatures) { 1935 String lname = parser.getAttributeValue(null, "name"); 1936 String lfile = parser.getAttributeValue(null, "file"); 1937 if (lname == null) { 1938 Slog.w(TAG, "<library> without name at " 1939 + parser.getPositionDescription()); 1940 } else if (lfile == null) { 1941 Slog.w(TAG, "<library> without file at " 1942 + parser.getPositionDescription()); 1943 } else { 1944 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1945 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1946 } 1947 XmlUtils.skipCurrentTag(parser); 1948 continue; 1949 1950 } else if ("feature".equals(name)) { 1951 String fname = parser.getAttributeValue(null, "name"); 1952 if (fname == null) { 1953 Slog.w(TAG, "<feature> without name at " 1954 + parser.getPositionDescription()); 1955 } else { 1956 //Log.i(TAG, "Got feature " + fname); 1957 FeatureInfo fi = new FeatureInfo(); 1958 fi.name = fname; 1959 mAvailableFeatures.put(fname, fi); 1960 } 1961 XmlUtils.skipCurrentTag(parser); 1962 continue; 1963 1964 } else { 1965 XmlUtils.skipCurrentTag(parser); 1966 continue; 1967 } 1968 1969 } 1970 permReader.close(); 1971 } catch (XmlPullParserException e) { 1972 Slog.w(TAG, "Got execption parsing permissions.", e); 1973 } catch (IOException e) { 1974 Slog.w(TAG, "Got execption parsing permissions.", e); 1975 } 1976 } 1977 1978 void readPermission(XmlPullParser parser, String name) 1979 throws IOException, XmlPullParserException { 1980 1981 name = name.intern(); 1982 1983 BasePermission bp = mSettings.mPermissions.get(name); 1984 if (bp == null) { 1985 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1986 mSettings.mPermissions.put(name, bp); 1987 } 1988 int outerDepth = parser.getDepth(); 1989 int type; 1990 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1991 && (type != XmlPullParser.END_TAG 1992 || parser.getDepth() > outerDepth)) { 1993 if (type == XmlPullParser.END_TAG 1994 || type == XmlPullParser.TEXT) { 1995 continue; 1996 } 1997 1998 String tagName = parser.getName(); 1999 if ("group".equals(tagName)) { 2000 String gidStr = parser.getAttributeValue(null, "gid"); 2001 if (gidStr != null) { 2002 int gid = Process.getGidForName(gidStr); 2003 bp.gids = appendInt(bp.gids, gid); 2004 } else { 2005 Slog.w(TAG, "<group> without gid at " 2006 + parser.getPositionDescription()); 2007 } 2008 } 2009 XmlUtils.skipCurrentTag(parser); 2010 } 2011 } 2012 2013 static int[] appendInts(int[] cur, int[] add) { 2014 if (add == null) return cur; 2015 if (cur == null) return add; 2016 final int N = add.length; 2017 for (int i=0; i<N; i++) { 2018 cur = appendInt(cur, add[i]); 2019 } 2020 return cur; 2021 } 2022 2023 static int[] removeInts(int[] cur, int[] rem) { 2024 if (rem == null) return cur; 2025 if (cur == null) return cur; 2026 final int N = rem.length; 2027 for (int i=0; i<N; i++) { 2028 cur = removeInt(cur, rem[i]); 2029 } 2030 return cur; 2031 } 2032 2033 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2034 if (!sUserManager.exists(userId)) return null; 2035 final PackageSetting ps = (PackageSetting) p.mExtras; 2036 if (ps == null) { 2037 return null; 2038 } 2039 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2040 final PackageUserState state = ps.readUserState(userId); 2041 return PackageParser.generatePackageInfo(p, gp.gids, flags, 2042 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 2043 state, userId); 2044 } 2045 2046 @Override 2047 public boolean isPackageAvailable(String packageName, int userId) { 2048 if (!sUserManager.exists(userId)) return false; 2049 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 2050 synchronized (mPackages) { 2051 PackageParser.Package p = mPackages.get(packageName); 2052 if (p != null) { 2053 final PackageSetting ps = (PackageSetting) p.mExtras; 2054 if (ps != null) { 2055 final PackageUserState state = ps.readUserState(userId); 2056 if (state != null) { 2057 return PackageParser.isAvailable(state); 2058 } 2059 } 2060 } 2061 } 2062 return false; 2063 } 2064 2065 @Override 2066 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2067 if (!sUserManager.exists(userId)) return null; 2068 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 2069 // reader 2070 synchronized (mPackages) { 2071 PackageParser.Package p = mPackages.get(packageName); 2072 if (DEBUG_PACKAGE_INFO) 2073 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2074 if (p != null) { 2075 return generatePackageInfo(p, flags, userId); 2076 } 2077 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2078 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2079 } 2080 } 2081 return null; 2082 } 2083 2084 @Override 2085 public String[] currentToCanonicalPackageNames(String[] names) { 2086 String[] out = new String[names.length]; 2087 // reader 2088 synchronized (mPackages) { 2089 for (int i=names.length-1; i>=0; i--) { 2090 PackageSetting ps = mSettings.mPackages.get(names[i]); 2091 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2092 } 2093 } 2094 return out; 2095 } 2096 2097 @Override 2098 public String[] canonicalToCurrentPackageNames(String[] names) { 2099 String[] out = new String[names.length]; 2100 // reader 2101 synchronized (mPackages) { 2102 for (int i=names.length-1; i>=0; i--) { 2103 String cur = mSettings.mRenamedPackages.get(names[i]); 2104 out[i] = cur != null ? cur : names[i]; 2105 } 2106 } 2107 return out; 2108 } 2109 2110 @Override 2111 public int getPackageUid(String packageName, int userId) { 2112 if (!sUserManager.exists(userId)) return -1; 2113 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2114 // reader 2115 synchronized (mPackages) { 2116 PackageParser.Package p = mPackages.get(packageName); 2117 if(p != null) { 2118 return UserHandle.getUid(userId, p.applicationInfo.uid); 2119 } 2120 PackageSetting ps = mSettings.mPackages.get(packageName); 2121 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2122 return -1; 2123 } 2124 p = ps.pkg; 2125 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2126 } 2127 } 2128 2129 @Override 2130 public int[] getPackageGids(String packageName) { 2131 // reader 2132 synchronized (mPackages) { 2133 PackageParser.Package p = mPackages.get(packageName); 2134 if (DEBUG_PACKAGE_INFO) 2135 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2136 if (p != null) { 2137 final PackageSetting ps = (PackageSetting)p.mExtras; 2138 return ps.getGids(); 2139 } 2140 } 2141 // stupid thing to indicate an error. 2142 return new int[0]; 2143 } 2144 2145 static final PermissionInfo generatePermissionInfo( 2146 BasePermission bp, int flags) { 2147 if (bp.perm != null) { 2148 return PackageParser.generatePermissionInfo(bp.perm, flags); 2149 } 2150 PermissionInfo pi = new PermissionInfo(); 2151 pi.name = bp.name; 2152 pi.packageName = bp.sourcePackage; 2153 pi.nonLocalizedLabel = bp.name; 2154 pi.protectionLevel = bp.protectionLevel; 2155 return pi; 2156 } 2157 2158 @Override 2159 public PermissionInfo getPermissionInfo(String name, int flags) { 2160 // reader 2161 synchronized (mPackages) { 2162 final BasePermission p = mSettings.mPermissions.get(name); 2163 if (p != null) { 2164 return generatePermissionInfo(p, flags); 2165 } 2166 return null; 2167 } 2168 } 2169 2170 @Override 2171 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2172 // reader 2173 synchronized (mPackages) { 2174 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2175 for (BasePermission p : mSettings.mPermissions.values()) { 2176 if (group == null) { 2177 if (p.perm == null || p.perm.info.group == null) { 2178 out.add(generatePermissionInfo(p, flags)); 2179 } 2180 } else { 2181 if (p.perm != null && group.equals(p.perm.info.group)) { 2182 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2183 } 2184 } 2185 } 2186 2187 if (out.size() > 0) { 2188 return out; 2189 } 2190 return mPermissionGroups.containsKey(group) ? out : null; 2191 } 2192 } 2193 2194 @Override 2195 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2196 // reader 2197 synchronized (mPackages) { 2198 return PackageParser.generatePermissionGroupInfo( 2199 mPermissionGroups.get(name), flags); 2200 } 2201 } 2202 2203 @Override 2204 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2205 // reader 2206 synchronized (mPackages) { 2207 final int N = mPermissionGroups.size(); 2208 ArrayList<PermissionGroupInfo> out 2209 = new ArrayList<PermissionGroupInfo>(N); 2210 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2211 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2212 } 2213 return out; 2214 } 2215 } 2216 2217 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2218 int userId) { 2219 if (!sUserManager.exists(userId)) return null; 2220 PackageSetting ps = mSettings.mPackages.get(packageName); 2221 if (ps != null) { 2222 if (ps.pkg == null) { 2223 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2224 flags, userId); 2225 if (pInfo != null) { 2226 return pInfo.applicationInfo; 2227 } 2228 return null; 2229 } 2230 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2231 ps.readUserState(userId), userId); 2232 } 2233 return null; 2234 } 2235 2236 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2237 int userId) { 2238 if (!sUserManager.exists(userId)) return null; 2239 PackageSetting ps = mSettings.mPackages.get(packageName); 2240 if (ps != null) { 2241 PackageParser.Package pkg = ps.pkg; 2242 if (pkg == null) { 2243 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2244 return null; 2245 } 2246 // App code is gone, so we aren't worried about split paths 2247 pkg = new PackageParser.Package(packageName); 2248 pkg.applicationInfo.packageName = packageName; 2249 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2250 pkg.applicationInfo.sourceDir = ps.codePathString; 2251 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2252 pkg.applicationInfo.dataDir = 2253 getDataPathForPackage(packageName, 0).getPath(); 2254 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2255 pkg.applicationInfo.cpuAbi = ps.cpuAbiString; 2256 } 2257 return generatePackageInfo(pkg, flags, userId); 2258 } 2259 return null; 2260 } 2261 2262 @Override 2263 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2264 if (!sUserManager.exists(userId)) return null; 2265 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2266 // writer 2267 synchronized (mPackages) { 2268 PackageParser.Package p = mPackages.get(packageName); 2269 if (DEBUG_PACKAGE_INFO) Log.v( 2270 TAG, "getApplicationInfo " + packageName 2271 + ": " + p); 2272 if (p != null) { 2273 PackageSetting ps = mSettings.mPackages.get(packageName); 2274 if (ps == null) return null; 2275 // Note: isEnabledLP() does not apply here - always return info 2276 return PackageParser.generateApplicationInfo( 2277 p, flags, ps.readUserState(userId), userId); 2278 } 2279 if ("android".equals(packageName)||"system".equals(packageName)) { 2280 return mAndroidApplication; 2281 } 2282 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2283 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2284 } 2285 } 2286 return null; 2287 } 2288 2289 2290 @Override 2291 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2292 mContext.enforceCallingOrSelfPermission( 2293 android.Manifest.permission.CLEAR_APP_CACHE, null); 2294 // Queue up an async operation since clearing cache may take a little while. 2295 mHandler.post(new Runnable() { 2296 public void run() { 2297 mHandler.removeCallbacks(this); 2298 int retCode = -1; 2299 synchronized (mInstallLock) { 2300 retCode = mInstaller.freeCache(freeStorageSize); 2301 if (retCode < 0) { 2302 Slog.w(TAG, "Couldn't clear application caches"); 2303 } 2304 } 2305 if (observer != null) { 2306 try { 2307 observer.onRemoveCompleted(null, (retCode >= 0)); 2308 } catch (RemoteException e) { 2309 Slog.w(TAG, "RemoveException when invoking call back"); 2310 } 2311 } 2312 } 2313 }); 2314 } 2315 2316 @Override 2317 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2318 mContext.enforceCallingOrSelfPermission( 2319 android.Manifest.permission.CLEAR_APP_CACHE, null); 2320 // Queue up an async operation since clearing cache may take a little while. 2321 mHandler.post(new Runnable() { 2322 public void run() { 2323 mHandler.removeCallbacks(this); 2324 int retCode = -1; 2325 synchronized (mInstallLock) { 2326 retCode = mInstaller.freeCache(freeStorageSize); 2327 if (retCode < 0) { 2328 Slog.w(TAG, "Couldn't clear application caches"); 2329 } 2330 } 2331 if(pi != null) { 2332 try { 2333 // Callback via pending intent 2334 int code = (retCode >= 0) ? 1 : 0; 2335 pi.sendIntent(null, code, null, 2336 null, null); 2337 } catch (SendIntentException e1) { 2338 Slog.i(TAG, "Failed to send pending intent"); 2339 } 2340 } 2341 } 2342 }); 2343 } 2344 2345 void freeStorage(long freeStorageSize) throws IOException { 2346 synchronized (mInstallLock) { 2347 if (mInstaller.freeCache(freeStorageSize) < 0) { 2348 throw new IOException("Failed to free enough space"); 2349 } 2350 } 2351 } 2352 2353 @Override 2354 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2355 if (!sUserManager.exists(userId)) return null; 2356 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2357 synchronized (mPackages) { 2358 PackageParser.Activity a = mActivities.mActivities.get(component); 2359 2360 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2361 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2362 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2363 if (ps == null) return null; 2364 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2365 userId); 2366 } 2367 if (mResolveComponentName.equals(component)) { 2368 return mResolveActivity; 2369 } 2370 } 2371 return null; 2372 } 2373 2374 @Override 2375 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2376 String resolvedType) { 2377 synchronized (mPackages) { 2378 PackageParser.Activity a = mActivities.mActivities.get(component); 2379 if (a == null) { 2380 return false; 2381 } 2382 for (int i=0; i<a.intents.size(); i++) { 2383 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2384 intent.getData(), intent.getCategories(), TAG) >= 0) { 2385 return true; 2386 } 2387 } 2388 return false; 2389 } 2390 } 2391 2392 @Override 2393 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2394 if (!sUserManager.exists(userId)) return null; 2395 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2396 synchronized (mPackages) { 2397 PackageParser.Activity a = mReceivers.mActivities.get(component); 2398 if (DEBUG_PACKAGE_INFO) Log.v( 2399 TAG, "getReceiverInfo " + component + ": " + a); 2400 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2401 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2402 if (ps == null) return null; 2403 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2404 userId); 2405 } 2406 } 2407 return null; 2408 } 2409 2410 @Override 2411 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2412 if (!sUserManager.exists(userId)) return null; 2413 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2414 synchronized (mPackages) { 2415 PackageParser.Service s = mServices.mServices.get(component); 2416 if (DEBUG_PACKAGE_INFO) Log.v( 2417 TAG, "getServiceInfo " + component + ": " + s); 2418 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2419 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2420 if (ps == null) return null; 2421 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2422 userId); 2423 } 2424 } 2425 return null; 2426 } 2427 2428 @Override 2429 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2430 if (!sUserManager.exists(userId)) return null; 2431 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2432 synchronized (mPackages) { 2433 PackageParser.Provider p = mProviders.mProviders.get(component); 2434 if (DEBUG_PACKAGE_INFO) Log.v( 2435 TAG, "getProviderInfo " + component + ": " + p); 2436 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2437 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2438 if (ps == null) return null; 2439 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2440 userId); 2441 } 2442 } 2443 return null; 2444 } 2445 2446 @Override 2447 public String[] getSystemSharedLibraryNames() { 2448 Set<String> libSet; 2449 synchronized (mPackages) { 2450 libSet = mSharedLibraries.keySet(); 2451 int size = libSet.size(); 2452 if (size > 0) { 2453 String[] libs = new String[size]; 2454 libSet.toArray(libs); 2455 return libs; 2456 } 2457 } 2458 return null; 2459 } 2460 2461 @Override 2462 public FeatureInfo[] getSystemAvailableFeatures() { 2463 Collection<FeatureInfo> featSet; 2464 synchronized (mPackages) { 2465 featSet = mAvailableFeatures.values(); 2466 int size = featSet.size(); 2467 if (size > 0) { 2468 FeatureInfo[] features = new FeatureInfo[size+1]; 2469 featSet.toArray(features); 2470 FeatureInfo fi = new FeatureInfo(); 2471 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2472 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2473 features[size] = fi; 2474 return features; 2475 } 2476 } 2477 return null; 2478 } 2479 2480 @Override 2481 public boolean hasSystemFeature(String name) { 2482 synchronized (mPackages) { 2483 return mAvailableFeatures.containsKey(name); 2484 } 2485 } 2486 2487 private void checkValidCaller(int uid, int userId) { 2488 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2489 return; 2490 2491 throw new SecurityException("Caller uid=" + uid 2492 + " is not privileged to communicate with user=" + userId); 2493 } 2494 2495 @Override 2496 public int checkPermission(String permName, String pkgName) { 2497 synchronized (mPackages) { 2498 PackageParser.Package p = mPackages.get(pkgName); 2499 if (p != null && p.mExtras != null) { 2500 PackageSetting ps = (PackageSetting)p.mExtras; 2501 if (ps.sharedUser != null) { 2502 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2503 return PackageManager.PERMISSION_GRANTED; 2504 } 2505 } else if (ps.grantedPermissions.contains(permName)) { 2506 return PackageManager.PERMISSION_GRANTED; 2507 } 2508 } 2509 } 2510 return PackageManager.PERMISSION_DENIED; 2511 } 2512 2513 @Override 2514 public int checkUidPermission(String permName, int uid) { 2515 synchronized (mPackages) { 2516 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2517 if (obj != null) { 2518 GrantedPermissions gp = (GrantedPermissions)obj; 2519 if (gp.grantedPermissions.contains(permName)) { 2520 return PackageManager.PERMISSION_GRANTED; 2521 } 2522 } else { 2523 HashSet<String> perms = mSystemPermissions.get(uid); 2524 if (perms != null && perms.contains(permName)) { 2525 return PackageManager.PERMISSION_GRANTED; 2526 } 2527 } 2528 } 2529 return PackageManager.PERMISSION_DENIED; 2530 } 2531 2532 /** 2533 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2534 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2535 * @param message the message to log on security exception 2536 */ 2537 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2538 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 sourceUserId, 3354 int targetUserId) { 3355 mContext.enforceCallingOrSelfPermission( 3356 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3357 List<CrossProfileIntentFilter> matches = 3358 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3359 if (matches != null) { 3360 int size = matches.size(); 3361 for (int i = 0; i < size; i++) { 3362 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3363 } 3364 } 3365 return false; 3366 } 3367 3368 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3369 String resolvedType, int userId) { 3370 CrossProfileIntentResolver cpir = mSettings.mCrossProfileIntentResolvers.get(userId); 3371 if (cpir != null) { 3372 return cpir.queryIntent(intent, resolvedType, false, userId); 3373 } 3374 return null; 3375 } 3376 3377 @Override 3378 public List<ResolveInfo> queryIntentActivities(Intent intent, 3379 String resolvedType, int flags, int userId) { 3380 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3381 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3382 ComponentName comp = intent.getComponent(); 3383 if (comp == null) { 3384 if (intent.getSelector() != null) { 3385 intent = intent.getSelector(); 3386 comp = intent.getComponent(); 3387 } 3388 } 3389 3390 if (comp != null) { 3391 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3392 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3393 if (ai != null) { 3394 final ResolveInfo ri = new ResolveInfo(); 3395 ri.activityInfo = ai; 3396 list.add(ri); 3397 } 3398 return list; 3399 } 3400 3401 // reader 3402 synchronized (mPackages) { 3403 final String pkgName = intent.getPackage(); 3404 if (pkgName == null) { 3405 List<ResolveInfo> result = 3406 mActivities.queryIntent(intent, resolvedType, flags, userId); 3407 // Checking if we can forward the intent to another user 3408 List<CrossProfileIntentFilter> cpifs = 3409 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3410 if (cpifs != null) { 3411 CrossProfileIntentFilter crossProfileIntentFilterWithResult = null; 3412 HashSet<Integer> alreadyTriedUserIds = new HashSet<Integer>(); 3413 for (CrossProfileIntentFilter cpif : cpifs) { 3414 int targetUserId = cpif.getTargetUserId(); 3415 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3416 // match the same an intent. For performance reasons, it is better not to 3417 // run queryIntent twice for the same userId 3418 if (!alreadyTriedUserIds.contains(targetUserId)) { 3419 List<ResolveInfo> resultUser = mActivities.queryIntent(intent, 3420 resolvedType, flags, targetUserId); 3421 if (resultUser != null) { 3422 crossProfileIntentFilterWithResult = cpif; 3423 // As soon as there is a match in another user, we add the 3424 // intentForwarderActivity to the list of ResolveInfo. 3425 break; 3426 } 3427 alreadyTriedUserIds.add(targetUserId); 3428 } 3429 } 3430 if (crossProfileIntentFilterWithResult != null) { 3431 ResolveInfo forwardingResolveInfo = createForwardingResolveInfo( 3432 crossProfileIntentFilterWithResult, userId); 3433 result.add(forwardingResolveInfo); 3434 } 3435 } 3436 return result; 3437 } 3438 final PackageParser.Package pkg = mPackages.get(pkgName); 3439 if (pkg != null) { 3440 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3441 pkg.activities, userId); 3442 } 3443 return new ArrayList<ResolveInfo>(); 3444 } 3445 } 3446 3447 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter cpif, 3448 int sourceUserId) { 3449 String className; 3450 int targetUserId = cpif.getTargetUserId(); 3451 if (targetUserId == UserHandle.USER_OWNER) { 3452 className = FORWARD_INTENT_TO_USER_OWNER; 3453 } else { 3454 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3455 } 3456 ComponentName forwardingActivityComponentName = new ComponentName( 3457 mAndroidApplication.packageName, className); 3458 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3459 sourceUserId); 3460 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3461 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3462 forwardingResolveInfo.priority = 0; 3463 forwardingResolveInfo.preferredOrder = 0; 3464 forwardingResolveInfo.match = 0; 3465 forwardingResolveInfo.isDefault = true; 3466 forwardingResolveInfo.filter = cpif; 3467 return forwardingResolveInfo; 3468 } 3469 3470 @Override 3471 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3472 Intent[] specifics, String[] specificTypes, Intent intent, 3473 String resolvedType, int flags, int userId) { 3474 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3475 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3476 "query intent activity options"); 3477 final String resultsAction = intent.getAction(); 3478 3479 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3480 | PackageManager.GET_RESOLVED_FILTER, userId); 3481 3482 if (DEBUG_INTENT_MATCHING) { 3483 Log.v(TAG, "Query " + intent + ": " + results); 3484 } 3485 3486 int specificsPos = 0; 3487 int N; 3488 3489 // todo: note that the algorithm used here is O(N^2). This 3490 // isn't a problem in our current environment, but if we start running 3491 // into situations where we have more than 5 or 10 matches then this 3492 // should probably be changed to something smarter... 3493 3494 // First we go through and resolve each of the specific items 3495 // that were supplied, taking care of removing any corresponding 3496 // duplicate items in the generic resolve list. 3497 if (specifics != null) { 3498 for (int i=0; i<specifics.length; i++) { 3499 final Intent sintent = specifics[i]; 3500 if (sintent == null) { 3501 continue; 3502 } 3503 3504 if (DEBUG_INTENT_MATCHING) { 3505 Log.v(TAG, "Specific #" + i + ": " + sintent); 3506 } 3507 3508 String action = sintent.getAction(); 3509 if (resultsAction != null && resultsAction.equals(action)) { 3510 // If this action was explicitly requested, then don't 3511 // remove things that have it. 3512 action = null; 3513 } 3514 3515 ResolveInfo ri = null; 3516 ActivityInfo ai = null; 3517 3518 ComponentName comp = sintent.getComponent(); 3519 if (comp == null) { 3520 ri = resolveIntent( 3521 sintent, 3522 specificTypes != null ? specificTypes[i] : null, 3523 flags, userId); 3524 if (ri == null) { 3525 continue; 3526 } 3527 if (ri == mResolveInfo) { 3528 // ACK! Must do something better with this. 3529 } 3530 ai = ri.activityInfo; 3531 comp = new ComponentName(ai.applicationInfo.packageName, 3532 ai.name); 3533 } else { 3534 ai = getActivityInfo(comp, flags, userId); 3535 if (ai == null) { 3536 continue; 3537 } 3538 } 3539 3540 // Look for any generic query activities that are duplicates 3541 // of this specific one, and remove them from the results. 3542 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3543 N = results.size(); 3544 int j; 3545 for (j=specificsPos; j<N; j++) { 3546 ResolveInfo sri = results.get(j); 3547 if ((sri.activityInfo.name.equals(comp.getClassName()) 3548 && sri.activityInfo.applicationInfo.packageName.equals( 3549 comp.getPackageName())) 3550 || (action != null && sri.filter.matchAction(action))) { 3551 results.remove(j); 3552 if (DEBUG_INTENT_MATCHING) Log.v( 3553 TAG, "Removing duplicate item from " + j 3554 + " due to specific " + specificsPos); 3555 if (ri == null) { 3556 ri = sri; 3557 } 3558 j--; 3559 N--; 3560 } 3561 } 3562 3563 // Add this specific item to its proper place. 3564 if (ri == null) { 3565 ri = new ResolveInfo(); 3566 ri.activityInfo = ai; 3567 } 3568 results.add(specificsPos, ri); 3569 ri.specificIndex = i; 3570 specificsPos++; 3571 } 3572 } 3573 3574 // Now we go through the remaining generic results and remove any 3575 // duplicate actions that are found here. 3576 N = results.size(); 3577 for (int i=specificsPos; i<N-1; i++) { 3578 final ResolveInfo rii = results.get(i); 3579 if (rii.filter == null) { 3580 continue; 3581 } 3582 3583 // Iterate over all of the actions of this result's intent 3584 // filter... typically this should be just one. 3585 final Iterator<String> it = rii.filter.actionsIterator(); 3586 if (it == null) { 3587 continue; 3588 } 3589 while (it.hasNext()) { 3590 final String action = it.next(); 3591 if (resultsAction != null && resultsAction.equals(action)) { 3592 // If this action was explicitly requested, then don't 3593 // remove things that have it. 3594 continue; 3595 } 3596 for (int j=i+1; j<N; j++) { 3597 final ResolveInfo rij = results.get(j); 3598 if (rij.filter != null && rij.filter.hasAction(action)) { 3599 results.remove(j); 3600 if (DEBUG_INTENT_MATCHING) Log.v( 3601 TAG, "Removing duplicate item from " + j 3602 + " due to action " + action + " at " + i); 3603 j--; 3604 N--; 3605 } 3606 } 3607 } 3608 3609 // If the caller didn't request filter information, drop it now 3610 // so we don't have to marshall/unmarshall it. 3611 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3612 rii.filter = null; 3613 } 3614 } 3615 3616 // Filter out the caller activity if so requested. 3617 if (caller != null) { 3618 N = results.size(); 3619 for (int i=0; i<N; i++) { 3620 ActivityInfo ainfo = results.get(i).activityInfo; 3621 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3622 && caller.getClassName().equals(ainfo.name)) { 3623 results.remove(i); 3624 break; 3625 } 3626 } 3627 } 3628 3629 // If the caller didn't request filter information, 3630 // drop them now so we don't have to 3631 // marshall/unmarshall it. 3632 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3633 N = results.size(); 3634 for (int i=0; i<N; i++) { 3635 results.get(i).filter = null; 3636 } 3637 } 3638 3639 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3640 return results; 3641 } 3642 3643 @Override 3644 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3645 int userId) { 3646 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3647 ComponentName comp = intent.getComponent(); 3648 if (comp == null) { 3649 if (intent.getSelector() != null) { 3650 intent = intent.getSelector(); 3651 comp = intent.getComponent(); 3652 } 3653 } 3654 if (comp != null) { 3655 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3656 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3657 if (ai != null) { 3658 ResolveInfo ri = new ResolveInfo(); 3659 ri.activityInfo = ai; 3660 list.add(ri); 3661 } 3662 return list; 3663 } 3664 3665 // reader 3666 synchronized (mPackages) { 3667 String pkgName = intent.getPackage(); 3668 if (pkgName == null) { 3669 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3670 } 3671 final PackageParser.Package pkg = mPackages.get(pkgName); 3672 if (pkg != null) { 3673 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3674 userId); 3675 } 3676 return null; 3677 } 3678 } 3679 3680 @Override 3681 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3682 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3683 if (!sUserManager.exists(userId)) return null; 3684 if (query != null) { 3685 if (query.size() >= 1) { 3686 // If there is more than one service with the same priority, 3687 // just arbitrarily pick the first one. 3688 return query.get(0); 3689 } 3690 } 3691 return null; 3692 } 3693 3694 @Override 3695 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3696 int userId) { 3697 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3698 ComponentName comp = intent.getComponent(); 3699 if (comp == null) { 3700 if (intent.getSelector() != null) { 3701 intent = intent.getSelector(); 3702 comp = intent.getComponent(); 3703 } 3704 } 3705 if (comp != null) { 3706 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3707 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3708 if (si != null) { 3709 final ResolveInfo ri = new ResolveInfo(); 3710 ri.serviceInfo = si; 3711 list.add(ri); 3712 } 3713 return list; 3714 } 3715 3716 // reader 3717 synchronized (mPackages) { 3718 String pkgName = intent.getPackage(); 3719 if (pkgName == null) { 3720 return mServices.queryIntent(intent, resolvedType, flags, userId); 3721 } 3722 final PackageParser.Package pkg = mPackages.get(pkgName); 3723 if (pkg != null) { 3724 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3725 userId); 3726 } 3727 return null; 3728 } 3729 } 3730 3731 @Override 3732 public List<ResolveInfo> queryIntentContentProviders( 3733 Intent intent, String resolvedType, int flags, int userId) { 3734 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3735 ComponentName comp = intent.getComponent(); 3736 if (comp == null) { 3737 if (intent.getSelector() != null) { 3738 intent = intent.getSelector(); 3739 comp = intent.getComponent(); 3740 } 3741 } 3742 if (comp != null) { 3743 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3744 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3745 if (pi != null) { 3746 final ResolveInfo ri = new ResolveInfo(); 3747 ri.providerInfo = pi; 3748 list.add(ri); 3749 } 3750 return list; 3751 } 3752 3753 // reader 3754 synchronized (mPackages) { 3755 String pkgName = intent.getPackage(); 3756 if (pkgName == null) { 3757 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3758 } 3759 final PackageParser.Package pkg = mPackages.get(pkgName); 3760 if (pkg != null) { 3761 return mProviders.queryIntentForPackage( 3762 intent, resolvedType, flags, pkg.providers, userId); 3763 } 3764 return null; 3765 } 3766 } 3767 3768 @Override 3769 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3770 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3771 3772 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3773 3774 // writer 3775 synchronized (mPackages) { 3776 ArrayList<PackageInfo> list; 3777 if (listUninstalled) { 3778 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3779 for (PackageSetting ps : mSettings.mPackages.values()) { 3780 PackageInfo pi; 3781 if (ps.pkg != null) { 3782 pi = generatePackageInfo(ps.pkg, flags, userId); 3783 } else { 3784 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3785 } 3786 if (pi != null) { 3787 list.add(pi); 3788 } 3789 } 3790 } else { 3791 list = new ArrayList<PackageInfo>(mPackages.size()); 3792 for (PackageParser.Package p : mPackages.values()) { 3793 PackageInfo pi = generatePackageInfo(p, flags, userId); 3794 if (pi != null) { 3795 list.add(pi); 3796 } 3797 } 3798 } 3799 3800 return new ParceledListSlice<PackageInfo>(list); 3801 } 3802 } 3803 3804 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3805 String[] permissions, boolean[] tmp, int flags, int userId) { 3806 int numMatch = 0; 3807 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3808 for (int i=0; i<permissions.length; i++) { 3809 if (gp.grantedPermissions.contains(permissions[i])) { 3810 tmp[i] = true; 3811 numMatch++; 3812 } else { 3813 tmp[i] = false; 3814 } 3815 } 3816 if (numMatch == 0) { 3817 return; 3818 } 3819 PackageInfo pi; 3820 if (ps.pkg != null) { 3821 pi = generatePackageInfo(ps.pkg, flags, userId); 3822 } else { 3823 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3824 } 3825 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3826 if (numMatch == permissions.length) { 3827 pi.requestedPermissions = permissions; 3828 } else { 3829 pi.requestedPermissions = new String[numMatch]; 3830 numMatch = 0; 3831 for (int i=0; i<permissions.length; i++) { 3832 if (tmp[i]) { 3833 pi.requestedPermissions[numMatch] = permissions[i]; 3834 numMatch++; 3835 } 3836 } 3837 } 3838 } 3839 list.add(pi); 3840 } 3841 3842 @Override 3843 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3844 String[] permissions, int flags, int userId) { 3845 if (!sUserManager.exists(userId)) return null; 3846 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3847 3848 // writer 3849 synchronized (mPackages) { 3850 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3851 boolean[] tmpBools = new boolean[permissions.length]; 3852 if (listUninstalled) { 3853 for (PackageSetting ps : mSettings.mPackages.values()) { 3854 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3855 } 3856 } else { 3857 for (PackageParser.Package pkg : mPackages.values()) { 3858 PackageSetting ps = (PackageSetting)pkg.mExtras; 3859 if (ps != null) { 3860 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3861 userId); 3862 } 3863 } 3864 } 3865 3866 return new ParceledListSlice<PackageInfo>(list); 3867 } 3868 } 3869 3870 @Override 3871 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3872 if (!sUserManager.exists(userId)) return null; 3873 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3874 3875 // writer 3876 synchronized (mPackages) { 3877 ArrayList<ApplicationInfo> list; 3878 if (listUninstalled) { 3879 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3880 for (PackageSetting ps : mSettings.mPackages.values()) { 3881 ApplicationInfo ai; 3882 if (ps.pkg != null) { 3883 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3884 ps.readUserState(userId), userId); 3885 } else { 3886 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3887 } 3888 if (ai != null) { 3889 list.add(ai); 3890 } 3891 } 3892 } else { 3893 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3894 for (PackageParser.Package p : mPackages.values()) { 3895 if (p.mExtras != null) { 3896 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3897 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3898 if (ai != null) { 3899 list.add(ai); 3900 } 3901 } 3902 } 3903 } 3904 3905 return new ParceledListSlice<ApplicationInfo>(list); 3906 } 3907 } 3908 3909 public List<ApplicationInfo> getPersistentApplications(int flags) { 3910 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3911 3912 // reader 3913 synchronized (mPackages) { 3914 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3915 final int userId = UserHandle.getCallingUserId(); 3916 while (i.hasNext()) { 3917 final PackageParser.Package p = i.next(); 3918 if (p.applicationInfo != null 3919 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3920 && (!mSafeMode || isSystemApp(p))) { 3921 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3922 if (ps != null) { 3923 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3924 ps.readUserState(userId), userId); 3925 if (ai != null) { 3926 finalList.add(ai); 3927 } 3928 } 3929 } 3930 } 3931 } 3932 3933 return finalList; 3934 } 3935 3936 @Override 3937 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3938 if (!sUserManager.exists(userId)) return null; 3939 // reader 3940 synchronized (mPackages) { 3941 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3942 PackageSetting ps = provider != null 3943 ? mSettings.mPackages.get(provider.owner.packageName) 3944 : null; 3945 return ps != null 3946 && mSettings.isEnabledLPr(provider.info, flags, userId) 3947 && (!mSafeMode || (provider.info.applicationInfo.flags 3948 &ApplicationInfo.FLAG_SYSTEM) != 0) 3949 ? PackageParser.generateProviderInfo(provider, flags, 3950 ps.readUserState(userId), userId) 3951 : null; 3952 } 3953 } 3954 3955 /** 3956 * @deprecated 3957 */ 3958 @Deprecated 3959 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3960 // reader 3961 synchronized (mPackages) { 3962 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3963 .entrySet().iterator(); 3964 final int userId = UserHandle.getCallingUserId(); 3965 while (i.hasNext()) { 3966 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3967 PackageParser.Provider p = entry.getValue(); 3968 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3969 3970 if (ps != null && p.syncable 3971 && (!mSafeMode || (p.info.applicationInfo.flags 3972 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3973 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3974 ps.readUserState(userId), userId); 3975 if (info != null) { 3976 outNames.add(entry.getKey()); 3977 outInfo.add(info); 3978 } 3979 } 3980 } 3981 } 3982 } 3983 3984 @Override 3985 public List<ProviderInfo> queryContentProviders(String processName, 3986 int uid, int flags) { 3987 ArrayList<ProviderInfo> finalList = null; 3988 // reader 3989 synchronized (mPackages) { 3990 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3991 final int userId = processName != null ? 3992 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3993 while (i.hasNext()) { 3994 final PackageParser.Provider p = i.next(); 3995 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3996 if (ps != null && p.info.authority != null 3997 && (processName == null 3998 || (p.info.processName.equals(processName) 3999 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4000 && mSettings.isEnabledLPr(p.info, flags, userId) 4001 && (!mSafeMode 4002 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4003 if (finalList == null) { 4004 finalList = new ArrayList<ProviderInfo>(3); 4005 } 4006 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4007 ps.readUserState(userId), userId); 4008 if (info != null) { 4009 finalList.add(info); 4010 } 4011 } 4012 } 4013 } 4014 4015 if (finalList != null) { 4016 Collections.sort(finalList, mProviderInitOrderSorter); 4017 } 4018 4019 return finalList; 4020 } 4021 4022 @Override 4023 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4024 int flags) { 4025 // reader 4026 synchronized (mPackages) { 4027 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4028 return PackageParser.generateInstrumentationInfo(i, flags); 4029 } 4030 } 4031 4032 @Override 4033 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4034 int flags) { 4035 ArrayList<InstrumentationInfo> finalList = 4036 new ArrayList<InstrumentationInfo>(); 4037 4038 // reader 4039 synchronized (mPackages) { 4040 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4041 while (i.hasNext()) { 4042 final PackageParser.Instrumentation p = i.next(); 4043 if (targetPackage == null 4044 || targetPackage.equals(p.info.targetPackage)) { 4045 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4046 flags); 4047 if (ii != null) { 4048 finalList.add(ii); 4049 } 4050 } 4051 } 4052 } 4053 4054 return finalList; 4055 } 4056 4057 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4058 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4059 if (overlays == null) { 4060 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4061 return; 4062 } 4063 for (PackageParser.Package opkg : overlays.values()) { 4064 // Not much to do if idmap fails: we already logged the error 4065 // and we certainly don't want to abort installation of pkg simply 4066 // because an overlay didn't fit properly. For these reasons, 4067 // ignore the return value of createIdmapForPackagePairLI. 4068 createIdmapForPackagePairLI(pkg, opkg); 4069 } 4070 } 4071 4072 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4073 PackageParser.Package opkg) { 4074 if (!opkg.mTrustedOverlay) { 4075 Slog.w(TAG, "Skipping target and overlay pair " + pkg.codePath + " and " + 4076 opkg.codePath + ": overlay not trusted"); 4077 return false; 4078 } 4079 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4080 if (overlaySet == null) { 4081 Slog.e(TAG, "was about to create idmap for " + pkg.codePath + " and " + 4082 opkg.codePath + " but target package has no known overlays"); 4083 return false; 4084 } 4085 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4086 // TODO: generate idmap for split APKs 4087 if (mInstaller.idmap(pkg.codePath, opkg.codePath, sharedGid) != 0) { 4088 Slog.e(TAG, "Failed to generate idmap for " + pkg.codePath + " and " + opkg.codePath); 4089 return false; 4090 } 4091 PackageParser.Package[] overlayArray = 4092 overlaySet.values().toArray(new PackageParser.Package[0]); 4093 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4094 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4095 return p1.mOverlayPriority - p2.mOverlayPriority; 4096 } 4097 }; 4098 Arrays.sort(overlayArray, cmp); 4099 4100 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4101 int i = 0; 4102 for (PackageParser.Package p : overlayArray) { 4103 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 4104 } 4105 return true; 4106 } 4107 4108 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4109 String[] files = dir.list(); 4110 if (files == null) { 4111 Log.d(TAG, "No files in app dir " + dir); 4112 return; 4113 } 4114 4115 if (DEBUG_PACKAGE_SCANNING) { 4116 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4117 + " flags=0x" + Integer.toHexString(flags)); 4118 } 4119 4120 int i; 4121 for (i=0; i<files.length; i++) { 4122 File file = new File(dir, files[i]); 4123 if (!isPackageFilename(files[i])) { 4124 // Ignore entries which are not apk's 4125 continue; 4126 } 4127 PackageParser.Package pkg = scanPackageLI(file, 4128 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null, null); 4129 // Don't mess around with apps in system partition. 4130 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4131 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 4132 // Delete the apk 4133 Slog.w(TAG, "Cleaning up failed install of " + file); 4134 file.delete(); 4135 } 4136 } 4137 } 4138 4139 private static File getSettingsProblemFile() { 4140 File dataDir = Environment.getDataDirectory(); 4141 File systemDir = new File(dataDir, "system"); 4142 File fname = new File(systemDir, "uiderrors.txt"); 4143 return fname; 4144 } 4145 4146 static void reportSettingsProblem(int priority, String msg) { 4147 try { 4148 File fname = getSettingsProblemFile(); 4149 FileOutputStream out = new FileOutputStream(fname, true); 4150 PrintWriter pw = new FastPrintWriter(out); 4151 SimpleDateFormat formatter = new SimpleDateFormat(); 4152 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4153 pw.println(dateString + ": " + msg); 4154 pw.close(); 4155 FileUtils.setPermissions( 4156 fname.toString(), 4157 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4158 -1, -1); 4159 } catch (java.io.IOException e) { 4160 } 4161 Slog.println(priority, TAG, msg); 4162 } 4163 4164 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 4165 PackageParser.Package pkg, File srcFile, int parseFlags) { 4166 if (ps != null 4167 && ps.codePath.equals(srcFile) 4168 && ps.timeStamp == srcFile.lastModified() 4169 && !isCompatSignatureUpdateNeeded(pkg)) { 4170 if (ps.signatures.mSignatures != null 4171 && ps.signatures.mSignatures.length != 0) { 4172 // Optimization: reuse the existing cached certificates 4173 // if the package appears to be unchanged. 4174 pkg.mSignatures = ps.signatures.mSignatures; 4175 return true; 4176 } 4177 4178 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4179 } else { 4180 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4181 } 4182 4183 try { 4184 pp.collectCertificates(pkg, parseFlags); 4185 pp.collectManifestDigest(pkg); 4186 } catch (PackageParserException e) { 4187 mLastScanError = e.error; 4188 return false; 4189 } 4190 return true; 4191 } 4192 4193 /* 4194 * Scan a package and return the newly parsed package. 4195 * Returns null in case of errors and the error code is stored in mLastScanError 4196 */ 4197 private PackageParser.Package scanPackageLI(File scanFile, 4198 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4199 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4200 String scanPath = scanFile.getPath(); 4201 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4202 parseFlags |= mDefParseFlags; 4203 PackageParser pp = new PackageParser(); 4204 pp.setSeparateProcesses(mSeparateProcesses); 4205 pp.setOnlyCoreApps(mOnlyCore); 4206 pp.setDisplayMetrics(mMetrics); 4207 4208 if ((scanMode & SCAN_TRUSTED_OVERLAY) != 0) { 4209 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4210 } 4211 4212 final PackageParser.Package pkg; 4213 try { 4214 pkg = pp.parseMonolithicPackage(scanFile, parseFlags); 4215 } catch (PackageParserException e) { 4216 mLastScanError = e.error; 4217 return null; 4218 } 4219 4220 PackageSetting ps = null; 4221 PackageSetting updatedPkg; 4222 // reader 4223 synchronized (mPackages) { 4224 // Look to see if we already know about this package. 4225 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4226 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4227 // This package has been renamed to its original name. Let's 4228 // use that. 4229 ps = mSettings.peekPackageLPr(oldName); 4230 } 4231 // If there was no original package, see one for the real package name. 4232 if (ps == null) { 4233 ps = mSettings.peekPackageLPr(pkg.packageName); 4234 } 4235 // Check to see if this package could be hiding/updating a system 4236 // package. Must look for it either under the original or real 4237 // package name depending on our state. 4238 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4239 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4240 } 4241 boolean updatedPkgBetter = false; 4242 // First check if this is a system package that may involve an update 4243 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4244 if (ps != null && !ps.codePath.equals(scanFile)) { 4245 // The path has changed from what was last scanned... check the 4246 // version of the new path against what we have stored to determine 4247 // what to do. 4248 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4249 if (pkg.mVersionCode < ps.versionCode) { 4250 // The system package has been updated and the code path does not match 4251 // Ignore entry. Skip it. 4252 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4253 + " ignored: updated version " + ps.versionCode 4254 + " better than this " + pkg.mVersionCode); 4255 if (!updatedPkg.codePath.equals(scanFile)) { 4256 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4257 + ps.name + " changing from " + updatedPkg.codePathString 4258 + " to " + scanFile); 4259 updatedPkg.codePath = scanFile; 4260 updatedPkg.codePathString = scanFile.toString(); 4261 // This is the point at which we know that the system-disk APK 4262 // for this package has moved during a reboot (e.g. due to an OTA), 4263 // so we need to reevaluate it for privilege policy. 4264 if (locationIsPrivileged(scanFile)) { 4265 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4266 } 4267 } 4268 updatedPkg.pkg = pkg; 4269 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4270 return null; 4271 } else { 4272 // The current app on the system partition is better than 4273 // what we have updated to on the data partition; switch 4274 // back to the system partition version. 4275 // At this point, its safely assumed that package installation for 4276 // apps in system partition will go through. If not there won't be a working 4277 // version of the app 4278 // writer 4279 synchronized (mPackages) { 4280 // Just remove the loaded entries from package lists. 4281 mPackages.remove(ps.name); 4282 } 4283 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4284 + "reverting from " + ps.codePathString 4285 + ": new version " + pkg.mVersionCode 4286 + " better than installed " + ps.versionCode); 4287 4288 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4289 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4290 getAppInstructionSetFromSettings(ps)); 4291 synchronized (mInstallLock) { 4292 args.cleanUpResourcesLI(); 4293 } 4294 synchronized (mPackages) { 4295 mSettings.enableSystemPackageLPw(ps.name); 4296 } 4297 updatedPkgBetter = true; 4298 } 4299 } 4300 } 4301 4302 if (updatedPkg != null) { 4303 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4304 // initially 4305 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4306 4307 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4308 // flag set initially 4309 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4310 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4311 } 4312 } 4313 // Verify certificates against what was last scanned 4314 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4315 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4316 return null; 4317 } 4318 4319 /* 4320 * A new system app appeared, but we already had a non-system one of the 4321 * same name installed earlier. 4322 */ 4323 boolean shouldHideSystemApp = false; 4324 if (updatedPkg == null && ps != null 4325 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4326 /* 4327 * Check to make sure the signatures match first. If they don't, 4328 * wipe the installed application and its data. 4329 */ 4330 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4331 != PackageManager.SIGNATURE_MATCH) { 4332 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4333 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4334 ps = null; 4335 } else { 4336 /* 4337 * If the newly-added system app is an older version than the 4338 * already installed version, hide it. It will be scanned later 4339 * and re-added like an update. 4340 */ 4341 if (pkg.mVersionCode < ps.versionCode) { 4342 shouldHideSystemApp = true; 4343 } else { 4344 /* 4345 * The newly found system app is a newer version that the 4346 * one previously installed. Simply remove the 4347 * already-installed application and replace it with our own 4348 * while keeping the application data. 4349 */ 4350 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4351 + ps.codePathString + ": new version " + pkg.mVersionCode 4352 + " better than installed " + ps.versionCode); 4353 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4354 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4355 getAppInstructionSetFromSettings(ps)); 4356 synchronized (mInstallLock) { 4357 args.cleanUpResourcesLI(); 4358 } 4359 } 4360 } 4361 } 4362 4363 // The apk is forward locked (not public) if its code and resources 4364 // are kept in different files. (except for app in either system or 4365 // vendor path). 4366 // TODO grab this value from PackageSettings 4367 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4368 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4369 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4370 } 4371 } 4372 4373 final String codePath = pkg.codePath; 4374 final String[] splitCodePaths = pkg.splitCodePaths; 4375 4376 String resPath = null; 4377 String[] splitResPaths = null; 4378 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4379 if (ps != null && ps.resourcePathString != null) { 4380 resPath = ps.resourcePathString; 4381 splitResPaths = deriveSplitResPaths(pkg.splitCodePaths); 4382 } else { 4383 // Should not happen at all. Just log an error. 4384 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4385 } 4386 } else { 4387 resPath = pkg.codePath; 4388 splitResPaths = pkg.splitCodePaths; 4389 } 4390 4391 // Set application objects path explicitly. 4392 pkg.applicationInfo.sourceDir = codePath; 4393 pkg.applicationInfo.publicSourceDir = resPath; 4394 pkg.applicationInfo.splitSourceDirs = splitCodePaths; 4395 pkg.applicationInfo.splitPublicSourceDirs = splitResPaths; 4396 4397 // Note that we invoke the following method only if we are about to unpack an application 4398 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4399 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4400 4401 /* 4402 * If the system app should be overridden by a previously installed 4403 * data, hide the system app now and let the /data/app scan pick it up 4404 * again. 4405 */ 4406 if (shouldHideSystemApp) { 4407 synchronized (mPackages) { 4408 /* 4409 * We have to grant systems permissions before we hide, because 4410 * grantPermissions will assume the package update is trying to 4411 * expand its permissions. 4412 */ 4413 grantPermissionsLPw(pkg, true); 4414 mSettings.disableSystemPackageLPw(pkg.packageName); 4415 } 4416 } 4417 4418 return scannedPkg; 4419 } 4420 4421 private static String fixProcessName(String defProcessName, 4422 String processName, int uid) { 4423 if (processName == null) { 4424 return defProcessName; 4425 } 4426 return processName; 4427 } 4428 4429 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4430 if (pkgSetting.signatures.mSignatures != null) { 4431 // Already existing package. Make sure signatures match 4432 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4433 == PackageManager.SIGNATURE_MATCH; 4434 if (!match) { 4435 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4436 == PackageManager.SIGNATURE_MATCH; 4437 } 4438 if (!match) { 4439 Slog.e(TAG, "Package " + pkg.packageName 4440 + " signatures do not match the previously installed version; ignoring!"); 4441 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4442 return false; 4443 } 4444 } 4445 // Check for shared user signatures 4446 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4447 // Already existing package. Make sure signatures match 4448 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4449 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4450 if (!match) { 4451 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4452 == PackageManager.SIGNATURE_MATCH; 4453 } 4454 if (!match) { 4455 Slog.e(TAG, "Package " + pkg.packageName 4456 + " has no signatures that match those in shared user " 4457 + pkgSetting.sharedUser.name + "; ignoring!"); 4458 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4459 return false; 4460 } 4461 } 4462 return true; 4463 } 4464 4465 /** 4466 * Enforces that only the system UID or root's UID can call a method exposed 4467 * via Binder. 4468 * 4469 * @param message used as message if SecurityException is thrown 4470 * @throws SecurityException if the caller is not system or root 4471 */ 4472 private static final void enforceSystemOrRoot(String message) { 4473 final int uid = Binder.getCallingUid(); 4474 if (uid != Process.SYSTEM_UID && uid != 0) { 4475 throw new SecurityException(message); 4476 } 4477 } 4478 4479 @Override 4480 public void performBootDexOpt() { 4481 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4482 4483 final HashSet<PackageParser.Package> pkgs; 4484 synchronized (mPackages) { 4485 pkgs = mDeferredDexOpt; 4486 mDeferredDexOpt = null; 4487 } 4488 4489 if (pkgs != null) { 4490 // Filter out packages that aren't recently used. 4491 // 4492 // The exception is first boot of a non-eng device, which 4493 // should do a full dexopt. 4494 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4495 if (eng || !isFirstBoot()) { 4496 // TODO: add a property to control this? 4497 long dexOptLRUThresholdInMinutes; 4498 if (eng) { 4499 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4500 } else { 4501 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4502 } 4503 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4504 4505 int total = pkgs.size(); 4506 int skipped = 0; 4507 long now = System.currentTimeMillis(); 4508 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4509 PackageParser.Package pkg = i.next(); 4510 long then = pkg.mLastPackageUsageTimeInMills; 4511 if (then + dexOptLRUThresholdInMills < now) { 4512 if (DEBUG_DEXOPT) { 4513 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4514 ((then == 0) ? "never" : new Date(then))); 4515 } 4516 i.remove(); 4517 skipped++; 4518 } 4519 } 4520 if (DEBUG_DEXOPT) { 4521 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4522 } 4523 } 4524 4525 int i = 0; 4526 for (PackageParser.Package pkg : pkgs) { 4527 i++; 4528 if (DEBUG_DEXOPT) { 4529 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4530 + ": " + pkg.packageName); 4531 } 4532 if (!isFirstBoot()) { 4533 try { 4534 ActivityManagerNative.getDefault().showBootMessage( 4535 mContext.getResources().getString( 4536 R.string.android_upgrading_apk, 4537 i, pkgs.size()), true); 4538 } catch (RemoteException e) { 4539 } 4540 } 4541 PackageParser.Package p = pkg; 4542 synchronized (mInstallLock) { 4543 if (p.mDexOptNeeded) { 4544 performDexOptLI(p, false /* force dex */, false /* defer */, 4545 true /* include dependencies */); 4546 } 4547 } 4548 } 4549 } 4550 } 4551 4552 @Override 4553 public boolean performDexOpt(String packageName) { 4554 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4555 return performDexOpt(packageName, true); 4556 } 4557 4558 public boolean performDexOpt(String packageName, boolean updateUsage) { 4559 4560 PackageParser.Package p; 4561 synchronized (mPackages) { 4562 p = mPackages.get(packageName); 4563 if (p == null) { 4564 return false; 4565 } 4566 if (updateUsage) { 4567 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4568 } 4569 mPackageUsage.write(false); 4570 if (!p.mDexOptNeeded) { 4571 return false; 4572 } 4573 } 4574 4575 synchronized (mInstallLock) { 4576 return performDexOptLI(p, false /* force dex */, false /* defer */, 4577 true /* include dependencies */) == DEX_OPT_PERFORMED; 4578 } 4579 } 4580 4581 public HashSet<String> getPackagesThatNeedDexOpt() { 4582 HashSet<String> pkgs = null; 4583 synchronized (mPackages) { 4584 for (PackageParser.Package p : mPackages.values()) { 4585 if (DEBUG_DEXOPT) { 4586 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4587 } 4588 if (!p.mDexOptNeeded) { 4589 continue; 4590 } 4591 if (pkgs == null) { 4592 pkgs = new HashSet<String>(); 4593 } 4594 pkgs.add(p.packageName); 4595 } 4596 } 4597 return pkgs; 4598 } 4599 4600 public void shutdown() { 4601 mPackageUsage.write(true); 4602 } 4603 4604 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4605 boolean forceDex, boolean defer, HashSet<String> done) { 4606 for (int i=0; i<libs.size(); i++) { 4607 PackageParser.Package libPkg; 4608 String libName; 4609 synchronized (mPackages) { 4610 libName = libs.get(i); 4611 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4612 if (lib != null && lib.apk != null) { 4613 libPkg = mPackages.get(lib.apk); 4614 } else { 4615 libPkg = null; 4616 } 4617 } 4618 if (libPkg != null && !done.contains(libName)) { 4619 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4620 } 4621 } 4622 } 4623 4624 static final int DEX_OPT_SKIPPED = 0; 4625 static final int DEX_OPT_PERFORMED = 1; 4626 static final int DEX_OPT_DEFERRED = 2; 4627 static final int DEX_OPT_FAILED = -1; 4628 4629 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4630 boolean forceDex, boolean defer, HashSet<String> done) { 4631 final String instructionSet = instructionSetOverride != null ? 4632 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4633 4634 if (done != null) { 4635 done.add(pkg.packageName); 4636 if (pkg.usesLibraries != null) { 4637 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4638 } 4639 if (pkg.usesOptionalLibraries != null) { 4640 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4641 } 4642 } 4643 4644 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0) { 4645 final Collection<String> paths = pkg.getAllCodePaths(); 4646 for (String path : paths) { 4647 try { 4648 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4649 pkg.packageName, instructionSet, defer); 4650 // There are three basic cases here: 4651 // 1.) we need to dexopt, either because we are forced or it is needed 4652 // 2.) we are defering a needed dexopt 4653 // 3.) we are skipping an unneeded dexopt 4654 if (forceDex || (!defer && isDexOptNeededInternal)) { 4655 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4656 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4657 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4658 pkg.packageName, instructionSet); 4659 // Note that we ran dexopt, since rerunning will 4660 // probably just result in an error again. 4661 pkg.mDexOptNeeded = false; 4662 if (ret < 0) { 4663 return DEX_OPT_FAILED; 4664 } 4665 return DEX_OPT_PERFORMED; 4666 } 4667 if (defer && isDexOptNeededInternal) { 4668 if (mDeferredDexOpt == null) { 4669 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4670 } 4671 mDeferredDexOpt.add(pkg); 4672 return DEX_OPT_DEFERRED; 4673 } 4674 pkg.mDexOptNeeded = false; 4675 return DEX_OPT_SKIPPED; 4676 } catch (FileNotFoundException e) { 4677 Slog.w(TAG, "Apk not found for dexopt: " + path); 4678 return DEX_OPT_FAILED; 4679 } catch (IOException e) { 4680 Slog.w(TAG, "IOException reading apk: " + path, e); 4681 return DEX_OPT_FAILED; 4682 } catch (StaleDexCacheError e) { 4683 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4684 return DEX_OPT_FAILED; 4685 } catch (Exception e) { 4686 Slog.w(TAG, "Exception when doing dexopt : ", e); 4687 return DEX_OPT_FAILED; 4688 } 4689 } 4690 } 4691 return DEX_OPT_SKIPPED; 4692 } 4693 4694 private String getAppInstructionSet(ApplicationInfo info) { 4695 String instructionSet = getPreferredInstructionSet(); 4696 4697 if (info.cpuAbi != null) { 4698 instructionSet = VMRuntime.getInstructionSet(info.cpuAbi); 4699 } 4700 4701 return instructionSet; 4702 } 4703 4704 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4705 String instructionSet = getPreferredInstructionSet(); 4706 4707 if (ps.cpuAbiString != null) { 4708 instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 4709 } 4710 4711 return instructionSet; 4712 } 4713 4714 private static String getPreferredInstructionSet() { 4715 if (sPreferredInstructionSet == null) { 4716 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4717 } 4718 4719 return sPreferredInstructionSet; 4720 } 4721 4722 private static List<String> getAllInstructionSets() { 4723 final String[] allAbis = Build.SUPPORTED_ABIS; 4724 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4725 4726 for (String abi : allAbis) { 4727 final String instructionSet = VMRuntime.getInstructionSet(abi); 4728 if (!allInstructionSets.contains(instructionSet)) { 4729 allInstructionSets.add(instructionSet); 4730 } 4731 } 4732 4733 return allInstructionSets; 4734 } 4735 4736 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4737 boolean inclDependencies) { 4738 HashSet<String> done; 4739 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4740 done = new HashSet<String>(); 4741 done.add(pkg.packageName); 4742 } else { 4743 done = null; 4744 } 4745 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4746 } 4747 4748 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4749 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4750 Slog.w(TAG, "Unable to update from " + oldPkg.name 4751 + " to " + newPkg.packageName 4752 + ": old package not in system partition"); 4753 return false; 4754 } else if (mPackages.get(oldPkg.name) != null) { 4755 Slog.w(TAG, "Unable to update from " + oldPkg.name 4756 + " to " + newPkg.packageName 4757 + ": old package still exists"); 4758 return false; 4759 } 4760 return true; 4761 } 4762 4763 File getDataPathForUser(int userId) { 4764 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4765 } 4766 4767 private File getDataPathForPackage(String packageName, int userId) { 4768 /* 4769 * Until we fully support multiple users, return the directory we 4770 * previously would have. The PackageManagerTests will need to be 4771 * revised when this is changed back.. 4772 */ 4773 if (userId == 0) { 4774 return new File(mAppDataDir, packageName); 4775 } else { 4776 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4777 + File.separator + packageName); 4778 } 4779 } 4780 4781 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4782 int[] users = sUserManager.getUserIds(); 4783 int res = mInstaller.install(packageName, uid, uid, seinfo); 4784 if (res < 0) { 4785 return res; 4786 } 4787 for (int user : users) { 4788 if (user != 0) { 4789 res = mInstaller.createUserData(packageName, 4790 UserHandle.getUid(user, uid), user, seinfo); 4791 if (res < 0) { 4792 return res; 4793 } 4794 } 4795 } 4796 return res; 4797 } 4798 4799 private int removeDataDirsLI(String packageName) { 4800 int[] users = sUserManager.getUserIds(); 4801 int res = 0; 4802 for (int user : users) { 4803 int resInner = mInstaller.remove(packageName, user); 4804 if (resInner < 0) { 4805 res = resInner; 4806 } 4807 } 4808 4809 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4810 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4811 if (!nativeLibraryFile.delete()) { 4812 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4813 } 4814 4815 return res; 4816 } 4817 4818 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4819 PackageParser.Package changingLib) { 4820 if (file.path != null) { 4821 usesLibraryFiles.add(file.path); 4822 return; 4823 } 4824 PackageParser.Package p = mPackages.get(file.apk); 4825 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4826 // If we are doing this while in the middle of updating a library apk, 4827 // then we need to make sure to use that new apk for determining the 4828 // dependencies here. (We haven't yet finished committing the new apk 4829 // to the package manager state.) 4830 if (p == null || p.packageName.equals(changingLib.packageName)) { 4831 p = changingLib; 4832 } 4833 } 4834 if (p != null) { 4835 usesLibraryFiles.addAll(p.getAllCodePaths()); 4836 } 4837 } 4838 4839 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4840 PackageParser.Package changingLib) { 4841 // We might be upgrading from a version of the platform that did not 4842 // provide per-package native library directories for system apps. 4843 // Fix that up here. 4844 if (isSystemApp(pkg)) { 4845 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4846 setInternalAppNativeLibraryPath(pkg, ps); 4847 } 4848 4849 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4850 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 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 addSharedLibraryLPw(usesLibraryFiles, file, 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 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4872 } 4873 } 4874 N = usesLibraryFiles.size(); 4875 if (N > 0) { 4876 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4877 } else { 4878 pkg.usesLibraryFiles = null; 4879 } 4880 } 4881 return true; 4882 } 4883 4884 private static boolean hasString(List<String> list, List<String> which) { 4885 if (list == null) { 4886 return false; 4887 } 4888 for (int i=list.size()-1; i>=0; i--) { 4889 for (int j=which.size()-1; j>=0; j--) { 4890 if (which.get(j).equals(list.get(i))) { 4891 return true; 4892 } 4893 } 4894 } 4895 return false; 4896 } 4897 4898 private void updateAllSharedLibrariesLPw() { 4899 for (PackageParser.Package pkg : mPackages.values()) { 4900 updateSharedLibrariesLPw(pkg, null); 4901 } 4902 } 4903 4904 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4905 PackageParser.Package changingPkg) { 4906 ArrayList<PackageParser.Package> res = null; 4907 for (PackageParser.Package pkg : mPackages.values()) { 4908 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4909 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4910 if (res == null) { 4911 res = new ArrayList<PackageParser.Package>(); 4912 } 4913 res.add(pkg); 4914 updateSharedLibrariesLPw(pkg, changingPkg); 4915 } 4916 } 4917 return res; 4918 } 4919 4920 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4921 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4922 final File scanFile = new File(pkg.codePath); 4923 if (pkg.applicationInfo.sourceDir == null || 4924 pkg.applicationInfo.publicSourceDir == null) { 4925 // Bail out. The resource and code paths haven't been set. 4926 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4927 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4928 return null; 4929 } 4930 4931 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4932 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4933 } 4934 4935 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4936 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4937 } 4938 4939 if (mCustomResolverComponentName != null && 4940 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4941 setUpCustomResolverActivity(pkg); 4942 } 4943 4944 if (pkg.packageName.equals("android")) { 4945 synchronized (mPackages) { 4946 if (mAndroidApplication != null) { 4947 Slog.w(TAG, "*************************************************"); 4948 Slog.w(TAG, "Core android package being redefined. Skipping."); 4949 Slog.w(TAG, " file=" + scanFile); 4950 Slog.w(TAG, "*************************************************"); 4951 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4952 return null; 4953 } 4954 4955 // Set up information for our fall-back user intent resolution activity. 4956 mPlatformPackage = pkg; 4957 pkg.mVersionCode = mSdkVersion; 4958 mAndroidApplication = pkg.applicationInfo; 4959 4960 if (!mResolverReplaced) { 4961 mResolveActivity.applicationInfo = mAndroidApplication; 4962 mResolveActivity.name = ResolverActivity.class.getName(); 4963 mResolveActivity.packageName = mAndroidApplication.packageName; 4964 mResolveActivity.processName = "system:ui"; 4965 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4966 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 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 final 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 // TODO: extend to extract native code from split APKs 5373 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5374 try { 5375 // Enable gross and lame hacks for apps that are built with old 5376 // SDK tools. We must scan their APKs for renderscript bitcode and 5377 // not launch them if it's present. Don't bother checking on devices 5378 // that don't have 64 bit support. 5379 String[] abiList = Build.SUPPORTED_ABIS; 5380 boolean hasLegacyRenderscriptBitcode = false; 5381 if (abiOverride != null) { 5382 abiList = new String[] { abiOverride }; 5383 } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 5384 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5385 abiList = Build.SUPPORTED_32_BIT_ABIS; 5386 hasLegacyRenderscriptBitcode = true; 5387 } 5388 5389 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5390 final String dataPathString = dataPath.getCanonicalPath(); 5391 5392 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5393 /* 5394 * Upgrading from a previous version of the OS sometimes 5395 * leaves native libraries in the /data/data/<app>/lib 5396 * directory for system apps even when they shouldn't be. 5397 * Recent changes in the JNI library search path 5398 * necessitates we remove those to match previous behavior. 5399 */ 5400 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5401 Log.i(TAG, "removed obsolete native libraries for system package " 5402 + path); 5403 } 5404 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5405 pkg.applicationInfo.cpuAbi = abiList[0]; 5406 pkgSetting.cpuAbiString = abiList[0]; 5407 } else { 5408 setInternalAppAbi(pkg, pkgSetting); 5409 } 5410 } else { 5411 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5412 /* 5413 * Update native library dir if it starts with 5414 * /data/data 5415 */ 5416 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5417 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5418 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5419 } 5420 5421 try { 5422 int copyRet = copyNativeLibrariesForInternalApp(handle, 5423 nativeLibraryDir, abiList); 5424 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5425 Slog.e(TAG, "Unable to copy native libraries"); 5426 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5427 return null; 5428 } 5429 5430 // We've successfully copied native libraries across, so we make a 5431 // note of what ABI we're using 5432 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5433 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5434 } else if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5435 pkg.applicationInfo.cpuAbi = abiList[0]; 5436 } else { 5437 pkg.applicationInfo.cpuAbi = null; 5438 } 5439 } catch (IOException e) { 5440 Slog.e(TAG, "Unable to copy native libraries", e); 5441 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5442 return null; 5443 } 5444 } else { 5445 // We don't have to copy the shared libraries if we're in the ASEC container 5446 // but we still need to scan the file to figure out what ABI the app needs. 5447 // 5448 // TODO: This duplicates work done in the default container service. It's possible 5449 // to clean this up but we'll need to change the interface between this service 5450 // and IMediaContainerService (but doing so will spread this logic out, rather 5451 // than centralizing it). 5452 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5453 if (abi >= 0) { 5454 pkg.applicationInfo.cpuAbi = abiList[abi]; 5455 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5456 // Note that (non upgraded) system apps will not have any native 5457 // libraries bundled in their APK, but we're guaranteed not to be 5458 // such an app at this point. 5459 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5460 pkg.applicationInfo.cpuAbi = abiList[0]; 5461 } else { 5462 pkg.applicationInfo.cpuAbi = null; 5463 } 5464 } else { 5465 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5466 return null; 5467 } 5468 } 5469 5470 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5471 final int[] userIds = sUserManager.getUserIds(); 5472 synchronized (mInstallLock) { 5473 for (int userId : userIds) { 5474 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5475 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5476 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5477 + ")"); 5478 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5479 return null; 5480 } 5481 } 5482 } 5483 } 5484 5485 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5486 } catch (IOException ioe) { 5487 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5488 } finally { 5489 handle.close(); 5490 } 5491 } 5492 5493 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5494 // We don't do this here during boot because we can do it all 5495 // at once after scanning all existing packages. 5496 // 5497 // We also do this *before* we perform dexopt on this package, so that 5498 // we can avoid redundant dexopts, and also to make sure we've got the 5499 // code and package path correct. 5500 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5501 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5502 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5503 return null; 5504 } 5505 } 5506 5507 if ((scanMode&SCAN_NO_DEX) == 0) { 5508 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5509 == DEX_OPT_FAILED) { 5510 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5511 removeDataDirsLI(pkg.packageName); 5512 } 5513 5514 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5515 return null; 5516 } 5517 } 5518 5519 if (mFactoryTest && pkg.requestedPermissions.contains( 5520 android.Manifest.permission.FACTORY_TEST)) { 5521 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5522 } 5523 5524 ArrayList<PackageParser.Package> clientLibPkgs = null; 5525 5526 // writer 5527 synchronized (mPackages) { 5528 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5529 // Only system apps can add new shared libraries. 5530 if (pkg.libraryNames != null) { 5531 for (int i=0; i<pkg.libraryNames.size(); i++) { 5532 String name = pkg.libraryNames.get(i); 5533 boolean allowed = false; 5534 if (isUpdatedSystemApp(pkg)) { 5535 // New library entries can only be added through the 5536 // system image. This is important to get rid of a lot 5537 // of nasty edge cases: for example if we allowed a non- 5538 // system update of the app to add a library, then uninstalling 5539 // the update would make the library go away, and assumptions 5540 // we made such as through app install filtering would now 5541 // have allowed apps on the device which aren't compatible 5542 // with it. Better to just have the restriction here, be 5543 // conservative, and create many fewer cases that can negatively 5544 // impact the user experience. 5545 final PackageSetting sysPs = mSettings 5546 .getDisabledSystemPkgLPr(pkg.packageName); 5547 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5548 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5549 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5550 allowed = true; 5551 allowed = true; 5552 break; 5553 } 5554 } 5555 } 5556 } else { 5557 allowed = true; 5558 } 5559 if (allowed) { 5560 if (!mSharedLibraries.containsKey(name)) { 5561 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5562 } else if (!name.equals(pkg.packageName)) { 5563 Slog.w(TAG, "Package " + pkg.packageName + " library " 5564 + name + " already exists; skipping"); 5565 } 5566 } else { 5567 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5568 + name + " that is not declared on system image; skipping"); 5569 } 5570 } 5571 if ((scanMode&SCAN_BOOTING) == 0) { 5572 // If we are not booting, we need to update any applications 5573 // that are clients of our shared library. If we are booting, 5574 // this will all be done once the scan is complete. 5575 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5576 } 5577 } 5578 } 5579 } 5580 5581 // We also need to dexopt any apps that are dependent on this library. Note that 5582 // if these fail, we should abort the install since installing the library will 5583 // result in some apps being broken. 5584 if (clientLibPkgs != null) { 5585 if ((scanMode&SCAN_NO_DEX) == 0) { 5586 for (int i=0; i<clientLibPkgs.size(); i++) { 5587 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5588 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5589 == DEX_OPT_FAILED) { 5590 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5591 removeDataDirsLI(pkg.packageName); 5592 } 5593 5594 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5595 return null; 5596 } 5597 } 5598 } 5599 } 5600 5601 // Request the ActivityManager to kill the process(only for existing packages) 5602 // so that we do not end up in a confused state while the user is still using the older 5603 // version of the application while the new one gets installed. 5604 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5605 // If the package lives in an asec, tell everyone that the container is going 5606 // away so they can clean up any references to its resources (which would prevent 5607 // vold from being able to unmount the asec) 5608 if (isForwardLocked(pkg) || isExternal(pkg)) { 5609 if (DEBUG_INSTALL) { 5610 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5611 } 5612 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5613 final ArrayList<String> pkgList = new ArrayList<String>(1); 5614 pkgList.add(pkg.applicationInfo.packageName); 5615 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5616 } 5617 5618 // Post the request that it be killed now that the going-away broadcast is en route 5619 killApplication(pkg.applicationInfo.packageName, 5620 pkg.applicationInfo.uid, "update pkg"); 5621 } 5622 5623 // Also need to kill any apps that are dependent on the library. 5624 if (clientLibPkgs != null) { 5625 for (int i=0; i<clientLibPkgs.size(); i++) { 5626 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5627 killApplication(clientPkg.applicationInfo.packageName, 5628 clientPkg.applicationInfo.uid, "update lib"); 5629 } 5630 } 5631 5632 // writer 5633 synchronized (mPackages) { 5634 // We don't expect installation to fail beyond this point, 5635 if ((scanMode&SCAN_MONITOR) != 0) { 5636 mAppDirs.put(pkg.codePath, pkg); 5637 } 5638 // Add the new setting to mSettings 5639 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5640 // Add the new setting to mPackages 5641 mPackages.put(pkg.applicationInfo.packageName, pkg); 5642 // Make sure we don't accidentally delete its data. 5643 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5644 while (iter.hasNext()) { 5645 PackageCleanItem item = iter.next(); 5646 if (pkgName.equals(item.packageName)) { 5647 iter.remove(); 5648 } 5649 } 5650 5651 // Take care of first install / last update times. 5652 if (currentTime != 0) { 5653 if (pkgSetting.firstInstallTime == 0) { 5654 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5655 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5656 pkgSetting.lastUpdateTime = currentTime; 5657 } 5658 } else if (pkgSetting.firstInstallTime == 0) { 5659 // We need *something*. Take time time stamp of the file. 5660 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5661 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5662 if (scanFileTime != pkgSetting.timeStamp) { 5663 // A package on the system image has changed; consider this 5664 // to be an update. 5665 pkgSetting.lastUpdateTime = scanFileTime; 5666 } 5667 } 5668 5669 // Add the package's KeySets to the global KeySetManager 5670 KeySetManager ksm = mSettings.mKeySetManager; 5671 try { 5672 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5673 if (pkg.mKeySetMapping != null) { 5674 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5675 pkg.mKeySetMapping.entrySet()) { 5676 if (entry.getValue() != null) { 5677 ksm.addDefinedKeySetToPackage(pkg.packageName, 5678 entry.getValue(), entry.getKey()); 5679 } 5680 } 5681 } 5682 } catch (NullPointerException e) { 5683 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5684 } catch (IllegalArgumentException e) { 5685 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5686 } 5687 5688 int N = pkg.providers.size(); 5689 StringBuilder r = null; 5690 int i; 5691 for (i=0; i<N; i++) { 5692 PackageParser.Provider p = pkg.providers.get(i); 5693 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5694 p.info.processName, pkg.applicationInfo.uid); 5695 mProviders.addProvider(p); 5696 p.syncable = p.info.isSyncable; 5697 if (p.info.authority != null) { 5698 String names[] = p.info.authority.split(";"); 5699 p.info.authority = null; 5700 for (int j = 0; j < names.length; j++) { 5701 if (j == 1 && p.syncable) { 5702 // We only want the first authority for a provider to possibly be 5703 // syncable, so if we already added this provider using a different 5704 // authority clear the syncable flag. We copy the provider before 5705 // changing it because the mProviders object contains a reference 5706 // to a provider that we don't want to change. 5707 // Only do this for the second authority since the resulting provider 5708 // object can be the same for all future authorities for this provider. 5709 p = new PackageParser.Provider(p); 5710 p.syncable = false; 5711 } 5712 if (!mProvidersByAuthority.containsKey(names[j])) { 5713 mProvidersByAuthority.put(names[j], p); 5714 if (p.info.authority == null) { 5715 p.info.authority = names[j]; 5716 } else { 5717 p.info.authority = p.info.authority + ";" + names[j]; 5718 } 5719 if (DEBUG_PACKAGE_SCANNING) { 5720 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5721 Log.d(TAG, "Registered content provider: " + names[j] 5722 + ", className = " + p.info.name + ", isSyncable = " 5723 + p.info.isSyncable); 5724 } 5725 } else { 5726 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5727 Slog.w(TAG, "Skipping provider name " + names[j] + 5728 " (in package " + pkg.applicationInfo.packageName + 5729 "): name already used by " 5730 + ((other != null && other.getComponentName() != null) 5731 ? other.getComponentName().getPackageName() : "?")); 5732 } 5733 } 5734 } 5735 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5736 if (r == null) { 5737 r = new StringBuilder(256); 5738 } else { 5739 r.append(' '); 5740 } 5741 r.append(p.info.name); 5742 } 5743 } 5744 if (r != null) { 5745 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5746 } 5747 5748 N = pkg.services.size(); 5749 r = null; 5750 for (i=0; i<N; i++) { 5751 PackageParser.Service s = pkg.services.get(i); 5752 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5753 s.info.processName, pkg.applicationInfo.uid); 5754 mServices.addService(s); 5755 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5756 if (r == null) { 5757 r = new StringBuilder(256); 5758 } else { 5759 r.append(' '); 5760 } 5761 r.append(s.info.name); 5762 } 5763 } 5764 if (r != null) { 5765 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5766 } 5767 5768 N = pkg.receivers.size(); 5769 r = null; 5770 for (i=0; i<N; i++) { 5771 PackageParser.Activity a = pkg.receivers.get(i); 5772 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5773 a.info.processName, pkg.applicationInfo.uid); 5774 mReceivers.addActivity(a, "receiver"); 5775 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5776 if (r == null) { 5777 r = new StringBuilder(256); 5778 } else { 5779 r.append(' '); 5780 } 5781 r.append(a.info.name); 5782 } 5783 } 5784 if (r != null) { 5785 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5786 } 5787 5788 N = pkg.activities.size(); 5789 r = null; 5790 for (i=0; i<N; i++) { 5791 PackageParser.Activity a = pkg.activities.get(i); 5792 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5793 a.info.processName, pkg.applicationInfo.uid); 5794 mActivities.addActivity(a, "activity"); 5795 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5796 if (r == null) { 5797 r = new StringBuilder(256); 5798 } else { 5799 r.append(' '); 5800 } 5801 r.append(a.info.name); 5802 } 5803 } 5804 if (r != null) { 5805 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5806 } 5807 5808 N = pkg.permissionGroups.size(); 5809 r = null; 5810 for (i=0; i<N; i++) { 5811 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5812 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5813 if (cur == null) { 5814 mPermissionGroups.put(pg.info.name, pg); 5815 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5816 if (r == null) { 5817 r = new StringBuilder(256); 5818 } else { 5819 r.append(' '); 5820 } 5821 r.append(pg.info.name); 5822 } 5823 } else { 5824 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5825 + pg.info.packageName + " ignored: original from " 5826 + cur.info.packageName); 5827 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5828 if (r == null) { 5829 r = new StringBuilder(256); 5830 } else { 5831 r.append(' '); 5832 } 5833 r.append("DUP:"); 5834 r.append(pg.info.name); 5835 } 5836 } 5837 } 5838 if (r != null) { 5839 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5840 } 5841 5842 N = pkg.permissions.size(); 5843 r = null; 5844 for (i=0; i<N; i++) { 5845 PackageParser.Permission p = pkg.permissions.get(i); 5846 HashMap<String, BasePermission> permissionMap = 5847 p.tree ? mSettings.mPermissionTrees 5848 : mSettings.mPermissions; 5849 p.group = mPermissionGroups.get(p.info.group); 5850 if (p.info.group == null || p.group != null) { 5851 BasePermission bp = permissionMap.get(p.info.name); 5852 if (bp == null) { 5853 bp = new BasePermission(p.info.name, p.info.packageName, 5854 BasePermission.TYPE_NORMAL); 5855 permissionMap.put(p.info.name, bp); 5856 } 5857 if (bp.perm == null) { 5858 if (bp.sourcePackage != null 5859 && !bp.sourcePackage.equals(p.info.packageName)) { 5860 // If this is a permission that was formerly defined by a non-system 5861 // app, but is now defined by a system app (following an upgrade), 5862 // discard the previous declaration and consider the system's to be 5863 // canonical. 5864 if (isSystemApp(p.owner)) { 5865 String msg = "New decl " + p.owner + " of permission " 5866 + p.info.name + " is system"; 5867 reportSettingsProblem(Log.WARN, msg); 5868 bp.sourcePackage = null; 5869 } 5870 } 5871 if (bp.sourcePackage == null 5872 || bp.sourcePackage.equals(p.info.packageName)) { 5873 BasePermission tree = findPermissionTreeLP(p.info.name); 5874 if (tree == null 5875 || tree.sourcePackage.equals(p.info.packageName)) { 5876 bp.packageSetting = pkgSetting; 5877 bp.perm = p; 5878 bp.uid = pkg.applicationInfo.uid; 5879 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5880 if (r == null) { 5881 r = new StringBuilder(256); 5882 } else { 5883 r.append(' '); 5884 } 5885 r.append(p.info.name); 5886 } 5887 } else { 5888 Slog.w(TAG, "Permission " + p.info.name + " from package " 5889 + p.info.packageName + " ignored: base tree " 5890 + tree.name + " is from package " 5891 + tree.sourcePackage); 5892 } 5893 } else { 5894 Slog.w(TAG, "Permission " + p.info.name + " from package " 5895 + p.info.packageName + " ignored: original from " 5896 + bp.sourcePackage); 5897 } 5898 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5899 if (r == null) { 5900 r = new StringBuilder(256); 5901 } else { 5902 r.append(' '); 5903 } 5904 r.append("DUP:"); 5905 r.append(p.info.name); 5906 } 5907 if (bp.perm == p) { 5908 bp.protectionLevel = p.info.protectionLevel; 5909 } 5910 } else { 5911 Slog.w(TAG, "Permission " + p.info.name + " from package " 5912 + p.info.packageName + " ignored: no group " 5913 + p.group); 5914 } 5915 } 5916 if (r != null) { 5917 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5918 } 5919 5920 N = pkg.instrumentation.size(); 5921 r = null; 5922 for (i=0; i<N; i++) { 5923 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5924 a.info.packageName = pkg.applicationInfo.packageName; 5925 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5926 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5927 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 5928 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 5929 a.info.dataDir = pkg.applicationInfo.dataDir; 5930 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5931 mInstrumentation.put(a.getComponentName(), a); 5932 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5933 if (r == null) { 5934 r = new StringBuilder(256); 5935 } else { 5936 r.append(' '); 5937 } 5938 r.append(a.info.name); 5939 } 5940 } 5941 if (r != null) { 5942 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5943 } 5944 5945 if (pkg.protectedBroadcasts != null) { 5946 N = pkg.protectedBroadcasts.size(); 5947 for (i=0; i<N; i++) { 5948 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5949 } 5950 } 5951 5952 pkgSetting.setTimeStamp(scanFileTime); 5953 5954 // Create idmap files for pairs of (packages, overlay packages). 5955 // Note: "android", ie framework-res.apk, is handled by native layers. 5956 if (pkg.mOverlayTarget != null) { 5957 // This is an overlay package. 5958 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5959 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5960 mOverlays.put(pkg.mOverlayTarget, 5961 new HashMap<String, PackageParser.Package>()); 5962 } 5963 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5964 map.put(pkg.packageName, pkg); 5965 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5966 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5967 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5968 return null; 5969 } 5970 } 5971 } else if (mOverlays.containsKey(pkg.packageName) && 5972 !pkg.packageName.equals("android")) { 5973 // This is a regular package, with one or more known overlay packages. 5974 createIdmapsForPackageLI(pkg); 5975 } 5976 } 5977 5978 return pkg; 5979 } 5980 5981 /** 5982 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 5983 * i.e, so that all packages can be run inside a single process if required. 5984 * 5985 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 5986 * this function will either try and make the ABI for all packages in {@code packagesForUser} 5987 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 5988 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 5989 * updating a package that belongs to a shared user. 5990 */ 5991 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5992 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 5993 String requiredInstructionSet = null; 5994 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 5995 requiredInstructionSet = VMRuntime.getInstructionSet( 5996 scannedPackage.applicationInfo.cpuAbi); 5997 } 5998 5999 PackageSetting requirer = null; 6000 for (PackageSetting ps : packagesForUser) { 6001 // If packagesForUser contains scannedPackage, we skip it. This will happen 6002 // when scannedPackage is an update of an existing package. Without this check, 6003 // we will never be able to change the ABI of any package belonging to a shared 6004 // user, even if it's compatible with other packages. 6005 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 6006 if (ps.cpuAbiString == null) { 6007 continue; 6008 } 6009 6010 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 6011 if (requiredInstructionSet != null) { 6012 if (!instructionSet.equals(requiredInstructionSet)) { 6013 // We have a mismatch between instruction sets (say arm vs arm64). 6014 // bail out. 6015 String errorMessage = "Instruction set mismatch, " 6016 + ((requirer == null) ? "[caller]" : requirer) 6017 + " requires " + requiredInstructionSet + " whereas " + ps 6018 + " requires " + instructionSet; 6019 Slog.e(TAG, errorMessage); 6020 6021 reportSettingsProblem(Log.WARN, errorMessage); 6022 // Give up, don't bother making any other changes to the package settings. 6023 return false; 6024 } 6025 } else { 6026 requiredInstructionSet = instructionSet; 6027 requirer = ps; 6028 } 6029 } 6030 } 6031 6032 if (requiredInstructionSet != null) { 6033 String adjustedAbi; 6034 if (requirer != null) { 6035 // requirer != null implies that either scannedPackage was null or that scannedPackage 6036 // did not require an ABI, in which case we have to adjust scannedPackage to match 6037 // the ABI of the set (which is the same as requirer's ABI) 6038 adjustedAbi = requirer.cpuAbiString; 6039 if (scannedPackage != null) { 6040 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 6041 } 6042 } else { 6043 // requirer == null implies that we're updating all ABIs in the set to 6044 // match scannedPackage. 6045 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 6046 } 6047 6048 for (PackageSetting ps : packagesForUser) { 6049 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6050 if (ps.cpuAbiString != null) { 6051 continue; 6052 } 6053 6054 ps.cpuAbiString = adjustedAbi; 6055 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6056 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 6057 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6058 6059 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6060 ps.cpuAbiString = null; 6061 ps.pkg.applicationInfo.cpuAbi = null; 6062 return false; 6063 } else { 6064 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6065 } 6066 } 6067 } 6068 } 6069 } 6070 6071 return true; 6072 } 6073 6074 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6075 synchronized (mPackages) { 6076 mResolverReplaced = true; 6077 // Set up information for custom user intent resolution activity. 6078 mResolveActivity.applicationInfo = pkg.applicationInfo; 6079 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6080 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6081 mResolveActivity.processName = null; 6082 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6083 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6084 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6085 mResolveActivity.theme = 0; 6086 mResolveActivity.exported = true; 6087 mResolveActivity.enabled = true; 6088 mResolveInfo.activityInfo = mResolveActivity; 6089 mResolveInfo.priority = 0; 6090 mResolveInfo.preferredOrder = 0; 6091 mResolveInfo.match = 0; 6092 mResolveComponentName = mCustomResolverComponentName; 6093 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6094 mResolveComponentName); 6095 } 6096 } 6097 6098 private String calculateApkRoot(final String codePathString) { 6099 final File codePath = new File(codePathString); 6100 final File codeRoot; 6101 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6102 codeRoot = Environment.getRootDirectory(); 6103 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6104 codeRoot = Environment.getOemDirectory(); 6105 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6106 codeRoot = Environment.getVendorDirectory(); 6107 } else { 6108 // Unrecognized code path; take its top real segment as the apk root: 6109 // e.g. /something/app/blah.apk => /something 6110 try { 6111 File f = codePath.getCanonicalFile(); 6112 File parent = f.getParentFile(); // non-null because codePath is a file 6113 File tmp; 6114 while ((tmp = parent.getParentFile()) != null) { 6115 f = parent; 6116 parent = tmp; 6117 } 6118 codeRoot = f; 6119 Slog.w(TAG, "Unrecognized code path " 6120 + codePath + " - using " + codeRoot); 6121 } catch (IOException e) { 6122 // Can't canonicalize the lib path -- shenanigans? 6123 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6124 return Environment.getRootDirectory().getPath(); 6125 } 6126 } 6127 return codeRoot.getPath(); 6128 } 6129 6130 // This is the initial scan-time determination of how to handle a given 6131 // package for purposes of native library location. 6132 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6133 PackageSetting pkgSetting) { 6134 // "bundled" here means system-installed with no overriding update 6135 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6136 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6137 final File libDir; 6138 if (bundledApk) { 6139 // If "/system/lib64/apkname" exists, assume that is the per-package 6140 // native library directory to use; otherwise use "/system/lib/apkname". 6141 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6142 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6143 File packLib64 = new File(lib64, apkName); 6144 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6145 } else { 6146 libDir = mAppLibInstallDir; 6147 } 6148 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6149 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6150 // pkgSetting might be null during rescan following uninstall of updates 6151 // to a bundled app, so accommodate that possibility. The settings in 6152 // that case will be established later from the parsed package. 6153 if (pkgSetting != null) { 6154 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6155 } 6156 } 6157 6158 // Deduces the required ABI of an upgraded system app. 6159 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6160 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6161 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6162 6163 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6164 // or similar. 6165 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6166 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6167 6168 // Assume that the bundled native libraries always correspond to the 6169 // most preferred 32 or 64 bit ABI. 6170 if (lib64.exists()) { 6171 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6172 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6173 } else if (lib.exists()) { 6174 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6175 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6176 } else { 6177 // This is the case where the app has no native code. 6178 pkg.applicationInfo.cpuAbi = null; 6179 pkgSetting.cpuAbiString = null; 6180 } 6181 } 6182 6183 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 6184 final File nativeLibraryDir, String[] abiList) throws IOException { 6185 if (!nativeLibraryDir.isDirectory()) { 6186 nativeLibraryDir.delete(); 6187 6188 if (!nativeLibraryDir.mkdir()) { 6189 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6190 } 6191 6192 try { 6193 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6194 } catch (ErrnoException e) { 6195 throw new IOException("Cannot chmod native library directory " 6196 + nativeLibraryDir.getPath(), e); 6197 } 6198 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6199 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6200 } 6201 6202 /* 6203 * If this is an internal application or our nativeLibraryPath points to 6204 * the app-lib directory, unpack the libraries if necessary. 6205 */ 6206 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6207 if (abi >= 0) { 6208 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6209 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6210 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6211 return copyRet; 6212 } 6213 } 6214 6215 return abi; 6216 } 6217 6218 private void killApplication(String pkgName, int appId, String reason) { 6219 // Request the ActivityManager to kill the process(only for existing packages) 6220 // so that we do not end up in a confused state while the user is still using the older 6221 // version of the application while the new one gets installed. 6222 IActivityManager am = ActivityManagerNative.getDefault(); 6223 if (am != null) { 6224 try { 6225 am.killApplicationWithAppId(pkgName, appId, reason); 6226 } catch (RemoteException e) { 6227 } 6228 } 6229 } 6230 6231 void removePackageLI(PackageSetting ps, boolean chatty) { 6232 if (DEBUG_INSTALL) { 6233 if (chatty) 6234 Log.d(TAG, "Removing package " + ps.name); 6235 } 6236 6237 // writer 6238 synchronized (mPackages) { 6239 mPackages.remove(ps.name); 6240 if (ps.codePathString != null) { 6241 mAppDirs.remove(ps.codePathString); 6242 } 6243 6244 final PackageParser.Package pkg = ps.pkg; 6245 if (pkg != null) { 6246 cleanPackageDataStructuresLILPw(pkg, chatty); 6247 } 6248 } 6249 } 6250 6251 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6252 if (DEBUG_INSTALL) { 6253 if (chatty) 6254 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6255 } 6256 6257 // writer 6258 synchronized (mPackages) { 6259 mPackages.remove(pkg.applicationInfo.packageName); 6260 if (pkg.codePath != null) { 6261 mAppDirs.remove(pkg.codePath); 6262 } 6263 cleanPackageDataStructuresLILPw(pkg, chatty); 6264 } 6265 } 6266 6267 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6268 int N = pkg.providers.size(); 6269 StringBuilder r = null; 6270 int i; 6271 for (i=0; i<N; i++) { 6272 PackageParser.Provider p = pkg.providers.get(i); 6273 mProviders.removeProvider(p); 6274 if (p.info.authority == null) { 6275 6276 /* There was another ContentProvider with this authority when 6277 * this app was installed so this authority is null, 6278 * Ignore it as we don't have to unregister the provider. 6279 */ 6280 continue; 6281 } 6282 String names[] = p.info.authority.split(";"); 6283 for (int j = 0; j < names.length; j++) { 6284 if (mProvidersByAuthority.get(names[j]) == p) { 6285 mProvidersByAuthority.remove(names[j]); 6286 if (DEBUG_REMOVE) { 6287 if (chatty) 6288 Log.d(TAG, "Unregistered content provider: " + names[j] 6289 + ", className = " + p.info.name + ", isSyncable = " 6290 + p.info.isSyncable); 6291 } 6292 } 6293 } 6294 if (DEBUG_REMOVE && chatty) { 6295 if (r == null) { 6296 r = new StringBuilder(256); 6297 } else { 6298 r.append(' '); 6299 } 6300 r.append(p.info.name); 6301 } 6302 } 6303 if (r != null) { 6304 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6305 } 6306 6307 N = pkg.services.size(); 6308 r = null; 6309 for (i=0; i<N; i++) { 6310 PackageParser.Service s = pkg.services.get(i); 6311 mServices.removeService(s); 6312 if (chatty) { 6313 if (r == null) { 6314 r = new StringBuilder(256); 6315 } else { 6316 r.append(' '); 6317 } 6318 r.append(s.info.name); 6319 } 6320 } 6321 if (r != null) { 6322 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6323 } 6324 6325 N = pkg.receivers.size(); 6326 r = null; 6327 for (i=0; i<N; i++) { 6328 PackageParser.Activity a = pkg.receivers.get(i); 6329 mReceivers.removeActivity(a, "receiver"); 6330 if (DEBUG_REMOVE && chatty) { 6331 if (r == null) { 6332 r = new StringBuilder(256); 6333 } else { 6334 r.append(' '); 6335 } 6336 r.append(a.info.name); 6337 } 6338 } 6339 if (r != null) { 6340 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6341 } 6342 6343 N = pkg.activities.size(); 6344 r = null; 6345 for (i=0; i<N; i++) { 6346 PackageParser.Activity a = pkg.activities.get(i); 6347 mActivities.removeActivity(a, "activity"); 6348 if (DEBUG_REMOVE && chatty) { 6349 if (r == null) { 6350 r = new StringBuilder(256); 6351 } else { 6352 r.append(' '); 6353 } 6354 r.append(a.info.name); 6355 } 6356 } 6357 if (r != null) { 6358 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6359 } 6360 6361 N = pkg.permissions.size(); 6362 r = null; 6363 for (i=0; i<N; i++) { 6364 PackageParser.Permission p = pkg.permissions.get(i); 6365 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6366 if (bp == null) { 6367 bp = mSettings.mPermissionTrees.get(p.info.name); 6368 } 6369 if (bp != null && bp.perm == p) { 6370 bp.perm = null; 6371 if (DEBUG_REMOVE && chatty) { 6372 if (r == null) { 6373 r = new StringBuilder(256); 6374 } else { 6375 r.append(' '); 6376 } 6377 r.append(p.info.name); 6378 } 6379 } 6380 } 6381 if (r != null) { 6382 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6383 } 6384 6385 N = pkg.instrumentation.size(); 6386 r = null; 6387 for (i=0; i<N; i++) { 6388 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6389 mInstrumentation.remove(a.getComponentName()); 6390 if (DEBUG_REMOVE && chatty) { 6391 if (r == null) { 6392 r = new StringBuilder(256); 6393 } else { 6394 r.append(' '); 6395 } 6396 r.append(a.info.name); 6397 } 6398 } 6399 if (r != null) { 6400 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6401 } 6402 6403 r = null; 6404 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6405 // Only system apps can hold shared libraries. 6406 if (pkg.libraryNames != null) { 6407 for (i=0; i<pkg.libraryNames.size(); i++) { 6408 String name = pkg.libraryNames.get(i); 6409 SharedLibraryEntry cur = mSharedLibraries.get(name); 6410 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6411 mSharedLibraries.remove(name); 6412 if (DEBUG_REMOVE && chatty) { 6413 if (r == null) { 6414 r = new StringBuilder(256); 6415 } else { 6416 r.append(' '); 6417 } 6418 r.append(name); 6419 } 6420 } 6421 } 6422 } 6423 } 6424 if (r != null) { 6425 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6426 } 6427 } 6428 6429 private static final boolean isPackageFilename(String name) { 6430 return name != null && name.endsWith(".apk"); 6431 } 6432 6433 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6434 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6435 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6436 return true; 6437 } 6438 } 6439 return false; 6440 } 6441 6442 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6443 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6444 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6445 6446 private void updatePermissionsLPw(String changingPkg, 6447 PackageParser.Package pkgInfo, int flags) { 6448 // Make sure there are no dangling permission trees. 6449 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6450 while (it.hasNext()) { 6451 final BasePermission bp = it.next(); 6452 if (bp.packageSetting == null) { 6453 // We may not yet have parsed the package, so just see if 6454 // we still know about its settings. 6455 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6456 } 6457 if (bp.packageSetting == null) { 6458 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6459 + " from package " + bp.sourcePackage); 6460 it.remove(); 6461 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6462 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6463 Slog.i(TAG, "Removing old permission tree: " + bp.name 6464 + " from package " + bp.sourcePackage); 6465 flags |= UPDATE_PERMISSIONS_ALL; 6466 it.remove(); 6467 } 6468 } 6469 } 6470 6471 // Make sure all dynamic permissions have been assigned to a package, 6472 // and make sure there are no dangling permissions. 6473 it = mSettings.mPermissions.values().iterator(); 6474 while (it.hasNext()) { 6475 final BasePermission bp = it.next(); 6476 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6477 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6478 + bp.name + " pkg=" + bp.sourcePackage 6479 + " info=" + bp.pendingInfo); 6480 if (bp.packageSetting == null && bp.pendingInfo != null) { 6481 final BasePermission tree = findPermissionTreeLP(bp.name); 6482 if (tree != null && tree.perm != null) { 6483 bp.packageSetting = tree.packageSetting; 6484 bp.perm = new PackageParser.Permission(tree.perm.owner, 6485 new PermissionInfo(bp.pendingInfo)); 6486 bp.perm.info.packageName = tree.perm.info.packageName; 6487 bp.perm.info.name = bp.name; 6488 bp.uid = tree.uid; 6489 } 6490 } 6491 } 6492 if (bp.packageSetting == null) { 6493 // We may not yet have parsed the package, so just see if 6494 // we still know about its settings. 6495 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6496 } 6497 if (bp.packageSetting == null) { 6498 Slog.w(TAG, "Removing dangling permission: " + bp.name 6499 + " from package " + bp.sourcePackage); 6500 it.remove(); 6501 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6502 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6503 Slog.i(TAG, "Removing old permission: " + bp.name 6504 + " from package " + bp.sourcePackage); 6505 flags |= UPDATE_PERMISSIONS_ALL; 6506 it.remove(); 6507 } 6508 } 6509 } 6510 6511 // Now update the permissions for all packages, in particular 6512 // replace the granted permissions of the system packages. 6513 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6514 for (PackageParser.Package pkg : mPackages.values()) { 6515 if (pkg != pkgInfo) { 6516 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6517 } 6518 } 6519 } 6520 6521 if (pkgInfo != null) { 6522 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6523 } 6524 } 6525 6526 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6527 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6528 if (ps == null) { 6529 return; 6530 } 6531 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6532 HashSet<String> origPermissions = gp.grantedPermissions; 6533 boolean changedPermission = false; 6534 6535 if (replace) { 6536 ps.permissionsFixed = false; 6537 if (gp == ps) { 6538 origPermissions = new HashSet<String>(gp.grantedPermissions); 6539 gp.grantedPermissions.clear(); 6540 gp.gids = mGlobalGids; 6541 } 6542 } 6543 6544 if (gp.gids == null) { 6545 gp.gids = mGlobalGids; 6546 } 6547 6548 final int N = pkg.requestedPermissions.size(); 6549 for (int i=0; i<N; i++) { 6550 final String name = pkg.requestedPermissions.get(i); 6551 final boolean required = pkg.requestedPermissionsRequired.get(i); 6552 final BasePermission bp = mSettings.mPermissions.get(name); 6553 if (DEBUG_INSTALL) { 6554 if (gp != ps) { 6555 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6556 } 6557 } 6558 6559 if (bp == null || bp.packageSetting == null) { 6560 Slog.w(TAG, "Unknown permission " + name 6561 + " in package " + pkg.packageName); 6562 continue; 6563 } 6564 6565 final String perm = bp.name; 6566 boolean allowed; 6567 boolean allowedSig = false; 6568 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6569 if (level == PermissionInfo.PROTECTION_NORMAL 6570 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6571 // We grant a normal or dangerous permission if any of the following 6572 // are true: 6573 // 1) The permission is required 6574 // 2) The permission is optional, but was granted in the past 6575 // 3) The permission is optional, but was requested by an 6576 // app in /system (not /data) 6577 // 6578 // Otherwise, reject the permission. 6579 allowed = (required || origPermissions.contains(perm) 6580 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6581 } else if (bp.packageSetting == null) { 6582 // This permission is invalid; skip it. 6583 allowed = false; 6584 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6585 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6586 if (allowed) { 6587 allowedSig = true; 6588 } 6589 } else { 6590 allowed = false; 6591 } 6592 if (DEBUG_INSTALL) { 6593 if (gp != ps) { 6594 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6595 } 6596 } 6597 if (allowed) { 6598 if (!isSystemApp(ps) && ps.permissionsFixed) { 6599 // If this is an existing, non-system package, then 6600 // we can't add any new permissions to it. 6601 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6602 // Except... if this is a permission that was added 6603 // to the platform (note: need to only do this when 6604 // updating the platform). 6605 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6606 } 6607 } 6608 if (allowed) { 6609 if (!gp.grantedPermissions.contains(perm)) { 6610 changedPermission = true; 6611 gp.grantedPermissions.add(perm); 6612 gp.gids = appendInts(gp.gids, bp.gids); 6613 } else if (!ps.haveGids) { 6614 gp.gids = appendInts(gp.gids, bp.gids); 6615 } 6616 } else { 6617 Slog.w(TAG, "Not granting permission " + perm 6618 + " to package " + pkg.packageName 6619 + " because it was previously installed without"); 6620 } 6621 } else { 6622 if (gp.grantedPermissions.remove(perm)) { 6623 changedPermission = true; 6624 gp.gids = removeInts(gp.gids, bp.gids); 6625 Slog.i(TAG, "Un-granting permission " + perm 6626 + " from package " + pkg.packageName 6627 + " (protectionLevel=" + bp.protectionLevel 6628 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6629 + ")"); 6630 } else { 6631 Slog.w(TAG, "Not granting permission " + perm 6632 + " to package " + pkg.packageName 6633 + " (protectionLevel=" + bp.protectionLevel 6634 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6635 + ")"); 6636 } 6637 } 6638 } 6639 6640 if ((changedPermission || replace) && !ps.permissionsFixed && 6641 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6642 // This is the first that we have heard about this package, so the 6643 // permissions we have now selected are fixed until explicitly 6644 // changed. 6645 ps.permissionsFixed = true; 6646 } 6647 ps.haveGids = true; 6648 } 6649 6650 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6651 boolean allowed = false; 6652 final int NP = PackageParser.NEW_PERMISSIONS.length; 6653 for (int ip=0; ip<NP; ip++) { 6654 final PackageParser.NewPermissionInfo npi 6655 = PackageParser.NEW_PERMISSIONS[ip]; 6656 if (npi.name.equals(perm) 6657 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6658 allowed = true; 6659 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6660 + pkg.packageName); 6661 break; 6662 } 6663 } 6664 return allowed; 6665 } 6666 6667 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6668 BasePermission bp, HashSet<String> origPermissions) { 6669 boolean allowed; 6670 allowed = (compareSignatures( 6671 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6672 == PackageManager.SIGNATURE_MATCH) 6673 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6674 == PackageManager.SIGNATURE_MATCH); 6675 if (!allowed && (bp.protectionLevel 6676 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6677 if (isSystemApp(pkg)) { 6678 // For updated system applications, a system permission 6679 // is granted only if it had been defined by the original application. 6680 if (isUpdatedSystemApp(pkg)) { 6681 final PackageSetting sysPs = mSettings 6682 .getDisabledSystemPkgLPr(pkg.packageName); 6683 final GrantedPermissions origGp = sysPs.sharedUser != null 6684 ? sysPs.sharedUser : sysPs; 6685 6686 if (origGp.grantedPermissions.contains(perm)) { 6687 // If the original was granted this permission, we take 6688 // that grant decision as read and propagate it to the 6689 // update. 6690 allowed = true; 6691 } else { 6692 // The system apk may have been updated with an older 6693 // version of the one on the data partition, but which 6694 // granted a new system permission that it didn't have 6695 // before. In this case we do want to allow the app to 6696 // now get the new permission if the ancestral apk is 6697 // privileged to get it. 6698 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6699 for (int j=0; 6700 j<sysPs.pkg.requestedPermissions.size(); j++) { 6701 if (perm.equals( 6702 sysPs.pkg.requestedPermissions.get(j))) { 6703 allowed = true; 6704 break; 6705 } 6706 } 6707 } 6708 } 6709 } else { 6710 allowed = isPrivilegedApp(pkg); 6711 } 6712 } 6713 } 6714 if (!allowed && (bp.protectionLevel 6715 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6716 // For development permissions, a development permission 6717 // is granted only if it was already granted. 6718 allowed = origPermissions.contains(perm); 6719 } 6720 return allowed; 6721 } 6722 6723 final class ActivityIntentResolver 6724 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6725 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6726 boolean defaultOnly, int userId) { 6727 if (!sUserManager.exists(userId)) return null; 6728 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6729 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6730 } 6731 6732 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6733 int userId) { 6734 if (!sUserManager.exists(userId)) return null; 6735 mFlags = flags; 6736 return super.queryIntent(intent, resolvedType, 6737 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6738 } 6739 6740 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6741 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6742 if (!sUserManager.exists(userId)) return null; 6743 if (packageActivities == null) { 6744 return null; 6745 } 6746 mFlags = flags; 6747 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6748 final int N = packageActivities.size(); 6749 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6750 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6751 6752 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6753 for (int i = 0; i < N; ++i) { 6754 intentFilters = packageActivities.get(i).intents; 6755 if (intentFilters != null && intentFilters.size() > 0) { 6756 PackageParser.ActivityIntentInfo[] array = 6757 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6758 intentFilters.toArray(array); 6759 listCut.add(array); 6760 } 6761 } 6762 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6763 } 6764 6765 public final void addActivity(PackageParser.Activity a, String type) { 6766 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6767 mActivities.put(a.getComponentName(), a); 6768 if (DEBUG_SHOW_INFO) 6769 Log.v( 6770 TAG, " " + type + " " + 6771 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6772 if (DEBUG_SHOW_INFO) 6773 Log.v(TAG, " Class=" + a.info.name); 6774 final int NI = a.intents.size(); 6775 for (int j=0; j<NI; j++) { 6776 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6777 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6778 intent.setPriority(0); 6779 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6780 + a.className + " with priority > 0, forcing to 0"); 6781 } 6782 if (DEBUG_SHOW_INFO) { 6783 Log.v(TAG, " IntentFilter:"); 6784 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6785 } 6786 if (!intent.debugCheck()) { 6787 Log.w(TAG, "==> For Activity " + a.info.name); 6788 } 6789 addFilter(intent); 6790 } 6791 } 6792 6793 public final void removeActivity(PackageParser.Activity a, String type) { 6794 mActivities.remove(a.getComponentName()); 6795 if (DEBUG_SHOW_INFO) { 6796 Log.v(TAG, " " + type + " " 6797 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6798 : a.info.name) + ":"); 6799 Log.v(TAG, " Class=" + a.info.name); 6800 } 6801 final int NI = a.intents.size(); 6802 for (int j=0; j<NI; j++) { 6803 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6804 if (DEBUG_SHOW_INFO) { 6805 Log.v(TAG, " IntentFilter:"); 6806 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6807 } 6808 removeFilter(intent); 6809 } 6810 } 6811 6812 @Override 6813 protected boolean allowFilterResult( 6814 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6815 ActivityInfo filterAi = filter.activity.info; 6816 for (int i=dest.size()-1; i>=0; i--) { 6817 ActivityInfo destAi = dest.get(i).activityInfo; 6818 if (destAi.name == filterAi.name 6819 && destAi.packageName == filterAi.packageName) { 6820 return false; 6821 } 6822 } 6823 return true; 6824 } 6825 6826 @Override 6827 protected ActivityIntentInfo[] newArray(int size) { 6828 return new ActivityIntentInfo[size]; 6829 } 6830 6831 @Override 6832 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6833 if (!sUserManager.exists(userId)) return true; 6834 PackageParser.Package p = filter.activity.owner; 6835 if (p != null) { 6836 PackageSetting ps = (PackageSetting)p.mExtras; 6837 if (ps != null) { 6838 // System apps are never considered stopped for purposes of 6839 // filtering, because there may be no way for the user to 6840 // actually re-launch them. 6841 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6842 && ps.getStopped(userId); 6843 } 6844 } 6845 return false; 6846 } 6847 6848 @Override 6849 protected boolean isPackageForFilter(String packageName, 6850 PackageParser.ActivityIntentInfo info) { 6851 return packageName.equals(info.activity.owner.packageName); 6852 } 6853 6854 @Override 6855 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6856 int match, int userId) { 6857 if (!sUserManager.exists(userId)) return null; 6858 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6859 return null; 6860 } 6861 final PackageParser.Activity activity = info.activity; 6862 if (mSafeMode && (activity.info.applicationInfo.flags 6863 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6864 return null; 6865 } 6866 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6867 if (ps == null) { 6868 return null; 6869 } 6870 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6871 ps.readUserState(userId), userId); 6872 if (ai == null) { 6873 return null; 6874 } 6875 final ResolveInfo res = new ResolveInfo(); 6876 res.activityInfo = ai; 6877 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6878 res.filter = info; 6879 } 6880 res.priority = info.getPriority(); 6881 res.preferredOrder = activity.owner.mPreferredOrder; 6882 //System.out.println("Result: " + res.activityInfo.className + 6883 // " = " + res.priority); 6884 res.match = match; 6885 res.isDefault = info.hasDefault; 6886 res.labelRes = info.labelRes; 6887 res.nonLocalizedLabel = info.nonLocalizedLabel; 6888 res.icon = info.icon; 6889 res.system = isSystemApp(res.activityInfo.applicationInfo); 6890 return res; 6891 } 6892 6893 @Override 6894 protected void sortResults(List<ResolveInfo> results) { 6895 Collections.sort(results, mResolvePrioritySorter); 6896 } 6897 6898 @Override 6899 protected void dumpFilter(PrintWriter out, String prefix, 6900 PackageParser.ActivityIntentInfo filter) { 6901 out.print(prefix); out.print( 6902 Integer.toHexString(System.identityHashCode(filter.activity))); 6903 out.print(' '); 6904 filter.activity.printComponentShortName(out); 6905 out.print(" filter "); 6906 out.println(Integer.toHexString(System.identityHashCode(filter))); 6907 } 6908 6909// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6910// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6911// final List<ResolveInfo> retList = Lists.newArrayList(); 6912// while (i.hasNext()) { 6913// final ResolveInfo resolveInfo = i.next(); 6914// if (isEnabledLP(resolveInfo.activityInfo)) { 6915// retList.add(resolveInfo); 6916// } 6917// } 6918// return retList; 6919// } 6920 6921 // Keys are String (activity class name), values are Activity. 6922 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6923 = new HashMap<ComponentName, PackageParser.Activity>(); 6924 private int mFlags; 6925 } 6926 6927 private final class ServiceIntentResolver 6928 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6929 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6930 boolean defaultOnly, int userId) { 6931 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6932 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6933 } 6934 6935 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6936 int userId) { 6937 if (!sUserManager.exists(userId)) return null; 6938 mFlags = flags; 6939 return super.queryIntent(intent, resolvedType, 6940 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6941 } 6942 6943 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6944 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6945 if (!sUserManager.exists(userId)) return null; 6946 if (packageServices == null) { 6947 return null; 6948 } 6949 mFlags = flags; 6950 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6951 final int N = packageServices.size(); 6952 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6953 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6954 6955 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6956 for (int i = 0; i < N; ++i) { 6957 intentFilters = packageServices.get(i).intents; 6958 if (intentFilters != null && intentFilters.size() > 0) { 6959 PackageParser.ServiceIntentInfo[] array = 6960 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6961 intentFilters.toArray(array); 6962 listCut.add(array); 6963 } 6964 } 6965 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6966 } 6967 6968 public final void addService(PackageParser.Service s) { 6969 mServices.put(s.getComponentName(), s); 6970 if (DEBUG_SHOW_INFO) { 6971 Log.v(TAG, " " 6972 + (s.info.nonLocalizedLabel != null 6973 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6974 Log.v(TAG, " Class=" + s.info.name); 6975 } 6976 final int NI = s.intents.size(); 6977 int j; 6978 for (j=0; j<NI; j++) { 6979 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6980 if (DEBUG_SHOW_INFO) { 6981 Log.v(TAG, " IntentFilter:"); 6982 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6983 } 6984 if (!intent.debugCheck()) { 6985 Log.w(TAG, "==> For Service " + s.info.name); 6986 } 6987 addFilter(intent); 6988 } 6989 } 6990 6991 public final void removeService(PackageParser.Service s) { 6992 mServices.remove(s.getComponentName()); 6993 if (DEBUG_SHOW_INFO) { 6994 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6995 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6996 Log.v(TAG, " Class=" + s.info.name); 6997 } 6998 final int NI = s.intents.size(); 6999 int j; 7000 for (j=0; j<NI; j++) { 7001 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7002 if (DEBUG_SHOW_INFO) { 7003 Log.v(TAG, " IntentFilter:"); 7004 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7005 } 7006 removeFilter(intent); 7007 } 7008 } 7009 7010 @Override 7011 protected boolean allowFilterResult( 7012 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7013 ServiceInfo filterSi = filter.service.info; 7014 for (int i=dest.size()-1; i>=0; i--) { 7015 ServiceInfo destAi = dest.get(i).serviceInfo; 7016 if (destAi.name == filterSi.name 7017 && destAi.packageName == filterSi.packageName) { 7018 return false; 7019 } 7020 } 7021 return true; 7022 } 7023 7024 @Override 7025 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7026 return new PackageParser.ServiceIntentInfo[size]; 7027 } 7028 7029 @Override 7030 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7031 if (!sUserManager.exists(userId)) return true; 7032 PackageParser.Package p = filter.service.owner; 7033 if (p != null) { 7034 PackageSetting ps = (PackageSetting)p.mExtras; 7035 if (ps != null) { 7036 // System apps are never considered stopped for purposes of 7037 // filtering, because there may be no way for the user to 7038 // actually re-launch them. 7039 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7040 && ps.getStopped(userId); 7041 } 7042 } 7043 return false; 7044 } 7045 7046 @Override 7047 protected boolean isPackageForFilter(String packageName, 7048 PackageParser.ServiceIntentInfo info) { 7049 return packageName.equals(info.service.owner.packageName); 7050 } 7051 7052 @Override 7053 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7054 int match, int userId) { 7055 if (!sUserManager.exists(userId)) return null; 7056 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7057 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7058 return null; 7059 } 7060 final PackageParser.Service service = info.service; 7061 if (mSafeMode && (service.info.applicationInfo.flags 7062 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7063 return null; 7064 } 7065 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7066 if (ps == null) { 7067 return null; 7068 } 7069 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7070 ps.readUserState(userId), userId); 7071 if (si == null) { 7072 return null; 7073 } 7074 final ResolveInfo res = new ResolveInfo(); 7075 res.serviceInfo = si; 7076 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7077 res.filter = filter; 7078 } 7079 res.priority = info.getPriority(); 7080 res.preferredOrder = service.owner.mPreferredOrder; 7081 //System.out.println("Result: " + res.activityInfo.className + 7082 // " = " + res.priority); 7083 res.match = match; 7084 res.isDefault = info.hasDefault; 7085 res.labelRes = info.labelRes; 7086 res.nonLocalizedLabel = info.nonLocalizedLabel; 7087 res.icon = info.icon; 7088 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7089 return res; 7090 } 7091 7092 @Override 7093 protected void sortResults(List<ResolveInfo> results) { 7094 Collections.sort(results, mResolvePrioritySorter); 7095 } 7096 7097 @Override 7098 protected void dumpFilter(PrintWriter out, String prefix, 7099 PackageParser.ServiceIntentInfo filter) { 7100 out.print(prefix); out.print( 7101 Integer.toHexString(System.identityHashCode(filter.service))); 7102 out.print(' '); 7103 filter.service.printComponentShortName(out); 7104 out.print(" filter "); 7105 out.println(Integer.toHexString(System.identityHashCode(filter))); 7106 } 7107 7108// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7109// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7110// final List<ResolveInfo> retList = Lists.newArrayList(); 7111// while (i.hasNext()) { 7112// final ResolveInfo resolveInfo = (ResolveInfo) i; 7113// if (isEnabledLP(resolveInfo.serviceInfo)) { 7114// retList.add(resolveInfo); 7115// } 7116// } 7117// return retList; 7118// } 7119 7120 // Keys are String (activity class name), values are Activity. 7121 private final HashMap<ComponentName, PackageParser.Service> mServices 7122 = new HashMap<ComponentName, PackageParser.Service>(); 7123 private int mFlags; 7124 }; 7125 7126 private final class ProviderIntentResolver 7127 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7128 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7129 boolean defaultOnly, int userId) { 7130 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7131 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7132 } 7133 7134 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7135 int userId) { 7136 if (!sUserManager.exists(userId)) 7137 return null; 7138 mFlags = flags; 7139 return super.queryIntent(intent, resolvedType, 7140 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7141 } 7142 7143 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7144 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7145 if (!sUserManager.exists(userId)) 7146 return null; 7147 if (packageProviders == null) { 7148 return null; 7149 } 7150 mFlags = flags; 7151 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7152 final int N = packageProviders.size(); 7153 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7154 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7155 7156 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7157 for (int i = 0; i < N; ++i) { 7158 intentFilters = packageProviders.get(i).intents; 7159 if (intentFilters != null && intentFilters.size() > 0) { 7160 PackageParser.ProviderIntentInfo[] array = 7161 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7162 intentFilters.toArray(array); 7163 listCut.add(array); 7164 } 7165 } 7166 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7167 } 7168 7169 public final void addProvider(PackageParser.Provider p) { 7170 if (mProviders.containsKey(p.getComponentName())) { 7171 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7172 return; 7173 } 7174 7175 mProviders.put(p.getComponentName(), p); 7176 if (DEBUG_SHOW_INFO) { 7177 Log.v(TAG, " " 7178 + (p.info.nonLocalizedLabel != null 7179 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7180 Log.v(TAG, " Class=" + p.info.name); 7181 } 7182 final int NI = p.intents.size(); 7183 int j; 7184 for (j = 0; j < NI; j++) { 7185 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7186 if (DEBUG_SHOW_INFO) { 7187 Log.v(TAG, " IntentFilter:"); 7188 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7189 } 7190 if (!intent.debugCheck()) { 7191 Log.w(TAG, "==> For Provider " + p.info.name); 7192 } 7193 addFilter(intent); 7194 } 7195 } 7196 7197 public final void removeProvider(PackageParser.Provider p) { 7198 mProviders.remove(p.getComponentName()); 7199 if (DEBUG_SHOW_INFO) { 7200 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7201 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7202 Log.v(TAG, " Class=" + p.info.name); 7203 } 7204 final int NI = p.intents.size(); 7205 int j; 7206 for (j = 0; j < NI; j++) { 7207 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7208 if (DEBUG_SHOW_INFO) { 7209 Log.v(TAG, " IntentFilter:"); 7210 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7211 } 7212 removeFilter(intent); 7213 } 7214 } 7215 7216 @Override 7217 protected boolean allowFilterResult( 7218 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7219 ProviderInfo filterPi = filter.provider.info; 7220 for (int i = dest.size() - 1; i >= 0; i--) { 7221 ProviderInfo destPi = dest.get(i).providerInfo; 7222 if (destPi.name == filterPi.name 7223 && destPi.packageName == filterPi.packageName) { 7224 return false; 7225 } 7226 } 7227 return true; 7228 } 7229 7230 @Override 7231 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7232 return new PackageParser.ProviderIntentInfo[size]; 7233 } 7234 7235 @Override 7236 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7237 if (!sUserManager.exists(userId)) 7238 return true; 7239 PackageParser.Package p = filter.provider.owner; 7240 if (p != null) { 7241 PackageSetting ps = (PackageSetting) p.mExtras; 7242 if (ps != null) { 7243 // System apps are never considered stopped for purposes of 7244 // filtering, because there may be no way for the user to 7245 // actually re-launch them. 7246 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7247 && ps.getStopped(userId); 7248 } 7249 } 7250 return false; 7251 } 7252 7253 @Override 7254 protected boolean isPackageForFilter(String packageName, 7255 PackageParser.ProviderIntentInfo info) { 7256 return packageName.equals(info.provider.owner.packageName); 7257 } 7258 7259 @Override 7260 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7261 int match, int userId) { 7262 if (!sUserManager.exists(userId)) 7263 return null; 7264 final PackageParser.ProviderIntentInfo info = filter; 7265 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7266 return null; 7267 } 7268 final PackageParser.Provider provider = info.provider; 7269 if (mSafeMode && (provider.info.applicationInfo.flags 7270 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7271 return null; 7272 } 7273 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7274 if (ps == null) { 7275 return null; 7276 } 7277 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7278 ps.readUserState(userId), userId); 7279 if (pi == null) { 7280 return null; 7281 } 7282 final ResolveInfo res = new ResolveInfo(); 7283 res.providerInfo = pi; 7284 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7285 res.filter = filter; 7286 } 7287 res.priority = info.getPriority(); 7288 res.preferredOrder = provider.owner.mPreferredOrder; 7289 res.match = match; 7290 res.isDefault = info.hasDefault; 7291 res.labelRes = info.labelRes; 7292 res.nonLocalizedLabel = info.nonLocalizedLabel; 7293 res.icon = info.icon; 7294 res.system = isSystemApp(res.providerInfo.applicationInfo); 7295 return res; 7296 } 7297 7298 @Override 7299 protected void sortResults(List<ResolveInfo> results) { 7300 Collections.sort(results, mResolvePrioritySorter); 7301 } 7302 7303 @Override 7304 protected void dumpFilter(PrintWriter out, String prefix, 7305 PackageParser.ProviderIntentInfo filter) { 7306 out.print(prefix); 7307 out.print( 7308 Integer.toHexString(System.identityHashCode(filter.provider))); 7309 out.print(' '); 7310 filter.provider.printComponentShortName(out); 7311 out.print(" filter "); 7312 out.println(Integer.toHexString(System.identityHashCode(filter))); 7313 } 7314 7315 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7316 = new HashMap<ComponentName, PackageParser.Provider>(); 7317 private int mFlags; 7318 }; 7319 7320 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7321 new Comparator<ResolveInfo>() { 7322 public int compare(ResolveInfo r1, ResolveInfo r2) { 7323 int v1 = r1.priority; 7324 int v2 = r2.priority; 7325 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7326 if (v1 != v2) { 7327 return (v1 > v2) ? -1 : 1; 7328 } 7329 v1 = r1.preferredOrder; 7330 v2 = r2.preferredOrder; 7331 if (v1 != v2) { 7332 return (v1 > v2) ? -1 : 1; 7333 } 7334 if (r1.isDefault != r2.isDefault) { 7335 return r1.isDefault ? -1 : 1; 7336 } 7337 v1 = r1.match; 7338 v2 = r2.match; 7339 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7340 if (v1 != v2) { 7341 return (v1 > v2) ? -1 : 1; 7342 } 7343 if (r1.system != r2.system) { 7344 return r1.system ? -1 : 1; 7345 } 7346 return 0; 7347 } 7348 }; 7349 7350 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7351 new Comparator<ProviderInfo>() { 7352 public int compare(ProviderInfo p1, ProviderInfo p2) { 7353 final int v1 = p1.initOrder; 7354 final int v2 = p2.initOrder; 7355 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7356 } 7357 }; 7358 7359 static final void sendPackageBroadcast(String action, String pkg, 7360 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7361 int[] userIds) { 7362 IActivityManager am = ActivityManagerNative.getDefault(); 7363 if (am != null) { 7364 try { 7365 if (userIds == null) { 7366 userIds = am.getRunningUserIds(); 7367 } 7368 for (int id : userIds) { 7369 final Intent intent = new Intent(action, 7370 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7371 if (extras != null) { 7372 intent.putExtras(extras); 7373 } 7374 if (targetPkg != null) { 7375 intent.setPackage(targetPkg); 7376 } 7377 // Modify the UID when posting to other users 7378 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7379 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7380 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7381 intent.putExtra(Intent.EXTRA_UID, uid); 7382 } 7383 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7384 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7385 if (DEBUG_BROADCASTS) { 7386 RuntimeException here = new RuntimeException("here"); 7387 here.fillInStackTrace(); 7388 Slog.d(TAG, "Sending to user " + id + ": " 7389 + intent.toShortString(false, true, false, false) 7390 + " " + intent.getExtras(), here); 7391 } 7392 am.broadcastIntent(null, intent, null, finishedReceiver, 7393 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7394 finishedReceiver != null, false, id); 7395 } 7396 } catch (RemoteException ex) { 7397 } 7398 } 7399 } 7400 7401 /** 7402 * Check if the external storage media is available. This is true if there 7403 * is a mounted external storage medium or if the external storage is 7404 * emulated. 7405 */ 7406 private boolean isExternalMediaAvailable() { 7407 return mMediaMounted || Environment.isExternalStorageEmulated(); 7408 } 7409 7410 @Override 7411 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7412 // writer 7413 synchronized (mPackages) { 7414 if (!isExternalMediaAvailable()) { 7415 // If the external storage is no longer mounted at this point, 7416 // the caller may not have been able to delete all of this 7417 // packages files and can not delete any more. Bail. 7418 return null; 7419 } 7420 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7421 if (lastPackage != null) { 7422 pkgs.remove(lastPackage); 7423 } 7424 if (pkgs.size() > 0) { 7425 return pkgs.get(0); 7426 } 7427 } 7428 return null; 7429 } 7430 7431 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7432 if (false) { 7433 RuntimeException here = new RuntimeException("here"); 7434 here.fillInStackTrace(); 7435 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7436 + " andCode=" + andCode, here); 7437 } 7438 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7439 userId, andCode ? 1 : 0, packageName)); 7440 } 7441 7442 void startCleaningPackages() { 7443 // reader 7444 synchronized (mPackages) { 7445 if (!isExternalMediaAvailable()) { 7446 return; 7447 } 7448 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7449 return; 7450 } 7451 } 7452 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7453 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7454 IActivityManager am = ActivityManagerNative.getDefault(); 7455 if (am != null) { 7456 try { 7457 am.startService(null, intent, null, UserHandle.USER_OWNER); 7458 } catch (RemoteException e) { 7459 } 7460 } 7461 } 7462 7463 private final class AppDirObserver extends FileObserver { 7464 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7465 super(path, mask); 7466 mRootDir = path; 7467 mIsRom = isrom; 7468 mIsPrivileged = isPrivileged; 7469 } 7470 7471 public void onEvent(int event, String path) { 7472 String removedPackage = null; 7473 int removedAppId = -1; 7474 int[] removedUsers = null; 7475 String addedPackage = null; 7476 int addedAppId = -1; 7477 int[] addedUsers = null; 7478 7479 // TODO post a message to the handler to obtain serial ordering 7480 synchronized (mInstallLock) { 7481 String fullPathStr = null; 7482 File fullPath = null; 7483 if (path != null) { 7484 fullPath = new File(mRootDir, path); 7485 fullPathStr = fullPath.getPath(); 7486 } 7487 7488 if (DEBUG_APP_DIR_OBSERVER) 7489 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7490 7491 if (!isPackageFilename(path)) { 7492 if (DEBUG_APP_DIR_OBSERVER) 7493 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7494 return; 7495 } 7496 7497 // Ignore packages that are being installed or 7498 // have just been installed. 7499 if (ignoreCodePath(fullPathStr)) { 7500 return; 7501 } 7502 PackageParser.Package p = null; 7503 PackageSetting ps = null; 7504 // reader 7505 synchronized (mPackages) { 7506 p = mAppDirs.get(fullPathStr); 7507 if (p != null) { 7508 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7509 if (ps != null) { 7510 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7511 } else { 7512 removedUsers = sUserManager.getUserIds(); 7513 } 7514 } 7515 addedUsers = sUserManager.getUserIds(); 7516 } 7517 if ((event&REMOVE_EVENTS) != 0) { 7518 if (ps != null) { 7519 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7520 removePackageLI(ps, true); 7521 removedPackage = ps.name; 7522 removedAppId = ps.appId; 7523 } 7524 } 7525 7526 if ((event&ADD_EVENTS) != 0) { 7527 if (p == null) { 7528 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7529 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7530 if (mIsRom) { 7531 flags |= PackageParser.PARSE_IS_SYSTEM 7532 | PackageParser.PARSE_IS_SYSTEM_DIR; 7533 if (mIsPrivileged) { 7534 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7535 } 7536 } 7537 p = scanPackageLI(fullPath, flags, 7538 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7539 System.currentTimeMillis(), UserHandle.ALL, null); 7540 if (p != null) { 7541 /* 7542 * TODO this seems dangerous as the package may have 7543 * changed since we last acquired the mPackages 7544 * lock. 7545 */ 7546 // writer 7547 synchronized (mPackages) { 7548 updatePermissionsLPw(p.packageName, p, 7549 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7550 } 7551 addedPackage = p.applicationInfo.packageName; 7552 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7553 } 7554 } 7555 } 7556 7557 // reader 7558 synchronized (mPackages) { 7559 mSettings.writeLPr(); 7560 } 7561 } 7562 7563 if (removedPackage != null) { 7564 Bundle extras = new Bundle(1); 7565 extras.putInt(Intent.EXTRA_UID, removedAppId); 7566 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7567 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7568 extras, null, null, removedUsers); 7569 } 7570 if (addedPackage != null) { 7571 Bundle extras = new Bundle(1); 7572 extras.putInt(Intent.EXTRA_UID, addedAppId); 7573 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7574 extras, null, null, addedUsers); 7575 } 7576 } 7577 7578 private final String mRootDir; 7579 private final boolean mIsRom; 7580 private final boolean mIsPrivileged; 7581 } 7582 7583 /* 7584 * The old-style observer methods all just trampoline to the newer signature with 7585 * expanded install observer API. The older API continues to work but does not 7586 * supply the additional details of the Observer2 API. 7587 */ 7588 7589 /* Called when a downloaded package installation has been confirmed by the user */ 7590 public void installPackage( 7591 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7592 installPackageEtc(packageURI, observer, null, flags, null); 7593 } 7594 7595 /* Called when a downloaded package installation has been confirmed by the user */ 7596 @Override 7597 public void installPackage( 7598 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7599 final String installerPackageName) { 7600 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7601 installerPackageName, null, null, null); 7602 } 7603 7604 @Override 7605 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7606 int flags, String installerPackageName, Uri verificationURI, 7607 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7608 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7609 VerificationParams.NO_UID, manifestDigest); 7610 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7611 installerPackageName, verificationParams, encryptionParams); 7612 } 7613 7614 @Override 7615 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7616 IPackageInstallObserver observer, int flags, String installerPackageName, 7617 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7618 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7619 installerPackageName, verificationParams, encryptionParams); 7620 } 7621 7622 /* 7623 * And here are the "live" versions that take both observer arguments 7624 */ 7625 public void installPackageEtc( 7626 final Uri packageURI, final IPackageInstallObserver observer, 7627 IPackageInstallObserver2 observer2, final int flags) { 7628 installPackageEtc(packageURI, observer, observer2, flags, null); 7629 } 7630 7631 public void installPackageEtc( 7632 final Uri packageURI, final IPackageInstallObserver observer, 7633 final IPackageInstallObserver2 observer2, final int flags, 7634 final String installerPackageName) { 7635 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7636 installerPackageName, null, null, null); 7637 } 7638 7639 @Override 7640 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7641 IPackageInstallObserver2 observer2, 7642 int flags, String installerPackageName, Uri verificationURI, 7643 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7644 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7645 VerificationParams.NO_UID, manifestDigest); 7646 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7647 installerPackageName, verificationParams, encryptionParams); 7648 } 7649 7650 /* 7651 * All of the installPackage...*() methods redirect to this one for the master implementation 7652 */ 7653 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7654 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7655 int flags, String installerPackageName, 7656 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7657 if (observer == null && observer2 == null) { 7658 throw new IllegalArgumentException("No install observer supplied"); 7659 } 7660 installPackageWithVerificationEncryptionAndAbiOverrideEtc(packageURI, observer, observer2, 7661 flags, installerPackageName, verificationParams, encryptionParams, null); 7662 } 7663 7664 @Override 7665 public void installPackageWithVerificationEncryptionAndAbiOverrideEtc(Uri packageURI, 7666 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7667 int flags, String installerPackageName, 7668 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7669 String packageAbiOverride) { 7670 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7671 null); 7672 7673 final int uid = Binder.getCallingUid(); 7674 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7675 try { 7676 if (observer != null) { 7677 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7678 } 7679 if (observer2 != null) { 7680 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7681 } 7682 } catch (RemoteException re) { 7683 } 7684 return; 7685 } 7686 7687 UserHandle user; 7688 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7689 user = UserHandle.ALL; 7690 } else { 7691 user = new UserHandle(UserHandle.getUserId(uid)); 7692 } 7693 7694 final int filteredFlags; 7695 7696 if (uid == Process.SHELL_UID || uid == 0) { 7697 if (DEBUG_INSTALL) { 7698 Slog.v(TAG, "Install from ADB"); 7699 } 7700 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7701 } else { 7702 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7703 } 7704 7705 verificationParams.setInstallerUid(uid); 7706 7707 final Message msg = mHandler.obtainMessage(INIT_COPY); 7708 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7709 installerPackageName, verificationParams, encryptionParams, user, 7710 packageAbiOverride); 7711 mHandler.sendMessage(msg); 7712 } 7713 7714 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7715 Bundle extras = new Bundle(1); 7716 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7717 7718 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7719 packageName, extras, null, null, new int[] {userId}); 7720 try { 7721 IActivityManager am = ActivityManagerNative.getDefault(); 7722 final boolean isSystem = 7723 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7724 if (isSystem && am.isUserRunning(userId, false)) { 7725 // The just-installed/enabled app is bundled on the system, so presumed 7726 // to be able to run automatically without needing an explicit launch. 7727 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7728 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7729 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7730 .setPackage(packageName); 7731 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7732 android.app.AppOpsManager.OP_NONE, false, false, userId); 7733 } 7734 } catch (RemoteException e) { 7735 // shouldn't happen 7736 Slog.w(TAG, "Unable to bootstrap installed package", e); 7737 } 7738 } 7739 7740 @Override 7741 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7742 int userId) { 7743 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7744 PackageSetting pkgSetting; 7745 final int uid = Binder.getCallingUid(); 7746 if (UserHandle.getUserId(uid) != userId) { 7747 mContext.enforceCallingOrSelfPermission( 7748 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7749 "setApplicationBlockedSetting for user " + userId); 7750 } 7751 7752 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7753 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7754 return false; 7755 } 7756 7757 long callingId = Binder.clearCallingIdentity(); 7758 try { 7759 boolean sendAdded = false; 7760 boolean sendRemoved = false; 7761 // writer 7762 synchronized (mPackages) { 7763 pkgSetting = mSettings.mPackages.get(packageName); 7764 if (pkgSetting == null) { 7765 return false; 7766 } 7767 if (pkgSetting.getBlocked(userId) != blocked) { 7768 pkgSetting.setBlocked(blocked, userId); 7769 mSettings.writePackageRestrictionsLPr(userId); 7770 if (blocked) { 7771 sendRemoved = true; 7772 } else { 7773 sendAdded = true; 7774 } 7775 } 7776 } 7777 if (sendAdded) { 7778 sendPackageAddedForUser(packageName, pkgSetting, userId); 7779 return true; 7780 } 7781 if (sendRemoved) { 7782 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7783 "blocking pkg"); 7784 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7785 } 7786 } finally { 7787 Binder.restoreCallingIdentity(callingId); 7788 } 7789 return false; 7790 } 7791 7792 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7793 int userId) { 7794 final PackageRemovedInfo info = new PackageRemovedInfo(); 7795 info.removedPackage = packageName; 7796 info.removedUsers = new int[] {userId}; 7797 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7798 info.sendBroadcast(false, false, false); 7799 } 7800 7801 /** 7802 * Returns true if application is not found or there was an error. Otherwise it returns 7803 * the blocked state of the package for the given user. 7804 */ 7805 @Override 7806 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7807 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7808 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7809 "getApplicationBlocked for user " + userId); 7810 PackageSetting pkgSetting; 7811 long callingId = Binder.clearCallingIdentity(); 7812 try { 7813 // writer 7814 synchronized (mPackages) { 7815 pkgSetting = mSettings.mPackages.get(packageName); 7816 if (pkgSetting == null) { 7817 return true; 7818 } 7819 return pkgSetting.getBlocked(userId); 7820 } 7821 } finally { 7822 Binder.restoreCallingIdentity(callingId); 7823 } 7824 } 7825 7826 void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer, 7827 int flags) { 7828 // TODO: install stage! 7829 try { 7830 observer.packageInstalled(basePackageName, null, 7831 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7832 } catch (RemoteException ignored) { 7833 } 7834 } 7835 7836 /** 7837 * @hide 7838 */ 7839 @Override 7840 public int installExistingPackageAsUser(String packageName, int userId) { 7841 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7842 null); 7843 PackageSetting pkgSetting; 7844 final int uid = Binder.getCallingUid(); 7845 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7846 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7847 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7848 } 7849 7850 long callingId = Binder.clearCallingIdentity(); 7851 try { 7852 boolean sendAdded = false; 7853 Bundle extras = new Bundle(1); 7854 7855 // writer 7856 synchronized (mPackages) { 7857 pkgSetting = mSettings.mPackages.get(packageName); 7858 if (pkgSetting == null) { 7859 return PackageManager.INSTALL_FAILED_INVALID_URI; 7860 } 7861 if (!pkgSetting.getInstalled(userId)) { 7862 pkgSetting.setInstalled(true, userId); 7863 pkgSetting.setBlocked(false, userId); 7864 mSettings.writePackageRestrictionsLPr(userId); 7865 sendAdded = true; 7866 } 7867 } 7868 7869 if (sendAdded) { 7870 sendPackageAddedForUser(packageName, pkgSetting, userId); 7871 } 7872 } finally { 7873 Binder.restoreCallingIdentity(callingId); 7874 } 7875 7876 return PackageManager.INSTALL_SUCCEEDED; 7877 } 7878 7879 boolean isUserRestricted(int userId, String restrictionKey) { 7880 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7881 if (restrictions.getBoolean(restrictionKey, false)) { 7882 Log.w(TAG, "User is restricted: " + restrictionKey); 7883 return true; 7884 } 7885 return false; 7886 } 7887 7888 @Override 7889 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7890 mContext.enforceCallingOrSelfPermission( 7891 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7892 "Only package verification agents can verify applications"); 7893 7894 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7895 final PackageVerificationResponse response = new PackageVerificationResponse( 7896 verificationCode, Binder.getCallingUid()); 7897 msg.arg1 = id; 7898 msg.obj = response; 7899 mHandler.sendMessage(msg); 7900 } 7901 7902 @Override 7903 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7904 long millisecondsToDelay) { 7905 mContext.enforceCallingOrSelfPermission( 7906 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7907 "Only package verification agents can extend verification timeouts"); 7908 7909 final PackageVerificationState state = mPendingVerification.get(id); 7910 final PackageVerificationResponse response = new PackageVerificationResponse( 7911 verificationCodeAtTimeout, Binder.getCallingUid()); 7912 7913 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7914 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7915 } 7916 if (millisecondsToDelay < 0) { 7917 millisecondsToDelay = 0; 7918 } 7919 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7920 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7921 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7922 } 7923 7924 if ((state != null) && !state.timeoutExtended()) { 7925 state.extendTimeout(); 7926 7927 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7928 msg.arg1 = id; 7929 msg.obj = response; 7930 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7931 } 7932 } 7933 7934 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7935 int verificationCode, UserHandle user) { 7936 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7937 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7938 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7939 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7940 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7941 7942 mContext.sendBroadcastAsUser(intent, user, 7943 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7944 } 7945 7946 private ComponentName matchComponentForVerifier(String packageName, 7947 List<ResolveInfo> receivers) { 7948 ActivityInfo targetReceiver = null; 7949 7950 final int NR = receivers.size(); 7951 for (int i = 0; i < NR; i++) { 7952 final ResolveInfo info = receivers.get(i); 7953 if (info.activityInfo == null) { 7954 continue; 7955 } 7956 7957 if (packageName.equals(info.activityInfo.packageName)) { 7958 targetReceiver = info.activityInfo; 7959 break; 7960 } 7961 } 7962 7963 if (targetReceiver == null) { 7964 return null; 7965 } 7966 7967 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7968 } 7969 7970 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7971 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7972 if (pkgInfo.verifiers.length == 0) { 7973 return null; 7974 } 7975 7976 final int N = pkgInfo.verifiers.length; 7977 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7978 for (int i = 0; i < N; i++) { 7979 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7980 7981 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7982 receivers); 7983 if (comp == null) { 7984 continue; 7985 } 7986 7987 final int verifierUid = getUidForVerifier(verifierInfo); 7988 if (verifierUid == -1) { 7989 continue; 7990 } 7991 7992 if (DEBUG_VERIFY) { 7993 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7994 + " with the correct signature"); 7995 } 7996 sufficientVerifiers.add(comp); 7997 verificationState.addSufficientVerifier(verifierUid); 7998 } 7999 8000 return sufficientVerifiers; 8001 } 8002 8003 private int getUidForVerifier(VerifierInfo verifierInfo) { 8004 synchronized (mPackages) { 8005 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8006 if (pkg == null) { 8007 return -1; 8008 } else if (pkg.mSignatures.length != 1) { 8009 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8010 + " has more than one signature; ignoring"); 8011 return -1; 8012 } 8013 8014 /* 8015 * If the public key of the package's signature does not match 8016 * our expected public key, then this is a different package and 8017 * we should skip. 8018 */ 8019 8020 final byte[] expectedPublicKey; 8021 try { 8022 final Signature verifierSig = pkg.mSignatures[0]; 8023 final PublicKey publicKey = verifierSig.getPublicKey(); 8024 expectedPublicKey = publicKey.getEncoded(); 8025 } catch (CertificateException e) { 8026 return -1; 8027 } 8028 8029 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8030 8031 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8032 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8033 + " does not have the expected public key; ignoring"); 8034 return -1; 8035 } 8036 8037 return pkg.applicationInfo.uid; 8038 } 8039 } 8040 8041 @Override 8042 public void finishPackageInstall(int token) { 8043 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8044 8045 if (DEBUG_INSTALL) { 8046 Slog.v(TAG, "BM finishing package install for " + token); 8047 } 8048 8049 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8050 mHandler.sendMessage(msg); 8051 } 8052 8053 /** 8054 * Get the verification agent timeout. 8055 * 8056 * @return verification timeout in milliseconds 8057 */ 8058 private long getVerificationTimeout() { 8059 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8060 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8061 DEFAULT_VERIFICATION_TIMEOUT); 8062 } 8063 8064 /** 8065 * Get the default verification agent response code. 8066 * 8067 * @return default verification response code 8068 */ 8069 private int getDefaultVerificationResponse() { 8070 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8071 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8072 DEFAULT_VERIFICATION_RESPONSE); 8073 } 8074 8075 /** 8076 * Check whether or not package verification has been enabled. 8077 * 8078 * @return true if verification should be performed 8079 */ 8080 private boolean isVerificationEnabled(int flags) { 8081 if (!DEFAULT_VERIFY_ENABLE) { 8082 return false; 8083 } 8084 8085 // Check if installing from ADB 8086 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8087 // Do not run verification in a test harness environment 8088 if (ActivityManager.isRunningInTestHarness()) { 8089 return false; 8090 } 8091 // Check if the developer does not want package verification for ADB installs 8092 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8093 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8094 return false; 8095 } 8096 } 8097 8098 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8099 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8100 } 8101 8102 /** 8103 * Get the "allow unknown sources" setting. 8104 * 8105 * @return the current "allow unknown sources" setting 8106 */ 8107 private int getUnknownSourcesSettings() { 8108 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8109 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8110 -1); 8111 } 8112 8113 @Override 8114 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8115 final int uid = Binder.getCallingUid(); 8116 // writer 8117 synchronized (mPackages) { 8118 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8119 if (targetPackageSetting == null) { 8120 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8121 } 8122 8123 PackageSetting installerPackageSetting; 8124 if (installerPackageName != null) { 8125 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8126 if (installerPackageSetting == null) { 8127 throw new IllegalArgumentException("Unknown installer package: " 8128 + installerPackageName); 8129 } 8130 } else { 8131 installerPackageSetting = null; 8132 } 8133 8134 Signature[] callerSignature; 8135 Object obj = mSettings.getUserIdLPr(uid); 8136 if (obj != null) { 8137 if (obj instanceof SharedUserSetting) { 8138 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8139 } else if (obj instanceof PackageSetting) { 8140 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8141 } else { 8142 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8143 } 8144 } else { 8145 throw new SecurityException("Unknown calling uid " + uid); 8146 } 8147 8148 // Verify: can't set installerPackageName to a package that is 8149 // not signed with the same cert as the caller. 8150 if (installerPackageSetting != null) { 8151 if (compareSignatures(callerSignature, 8152 installerPackageSetting.signatures.mSignatures) 8153 != PackageManager.SIGNATURE_MATCH) { 8154 throw new SecurityException( 8155 "Caller does not have same cert as new installer package " 8156 + installerPackageName); 8157 } 8158 } 8159 8160 // Verify: if target already has an installer package, it must 8161 // be signed with the same cert as the caller. 8162 if (targetPackageSetting.installerPackageName != null) { 8163 PackageSetting setting = mSettings.mPackages.get( 8164 targetPackageSetting.installerPackageName); 8165 // If the currently set package isn't valid, then it's always 8166 // okay to change it. 8167 if (setting != null) { 8168 if (compareSignatures(callerSignature, 8169 setting.signatures.mSignatures) 8170 != PackageManager.SIGNATURE_MATCH) { 8171 throw new SecurityException( 8172 "Caller does not have same cert as old installer package " 8173 + targetPackageSetting.installerPackageName); 8174 } 8175 } 8176 } 8177 8178 // Okay! 8179 targetPackageSetting.installerPackageName = installerPackageName; 8180 scheduleWriteSettingsLocked(); 8181 } 8182 } 8183 8184 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8185 // Queue up an async operation since the package installation may take a little while. 8186 mHandler.post(new Runnable() { 8187 public void run() { 8188 mHandler.removeCallbacks(this); 8189 // Result object to be returned 8190 PackageInstalledInfo res = new PackageInstalledInfo(); 8191 res.returnCode = currentStatus; 8192 res.uid = -1; 8193 res.pkg = null; 8194 res.removedInfo = new PackageRemovedInfo(); 8195 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8196 args.doPreInstall(res.returnCode); 8197 synchronized (mInstallLock) { 8198 installPackageLI(args, true, res); 8199 } 8200 args.doPostInstall(res.returnCode, res.uid); 8201 } 8202 8203 // A restore should be performed at this point if (a) the install 8204 // succeeded, (b) the operation is not an update, and (c) the new 8205 // package has a backupAgent defined. 8206 final boolean update = res.removedInfo.removedPackage != null; 8207 boolean doRestore = (!update 8208 && res.pkg != null 8209 && res.pkg.applicationInfo.backupAgentName != null); 8210 8211 // Set up the post-install work request bookkeeping. This will be used 8212 // and cleaned up by the post-install event handling regardless of whether 8213 // there's a restore pass performed. Token values are >= 1. 8214 int token; 8215 if (mNextInstallToken < 0) mNextInstallToken = 1; 8216 token = mNextInstallToken++; 8217 8218 PostInstallData data = new PostInstallData(args, res); 8219 mRunningInstalls.put(token, data); 8220 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8221 8222 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8223 // Pass responsibility to the Backup Manager. It will perform a 8224 // restore if appropriate, then pass responsibility back to the 8225 // Package Manager to run the post-install observer callbacks 8226 // and broadcasts. 8227 IBackupManager bm = IBackupManager.Stub.asInterface( 8228 ServiceManager.getService(Context.BACKUP_SERVICE)); 8229 if (bm != null) { 8230 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8231 + " to BM for possible restore"); 8232 try { 8233 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8234 } catch (RemoteException e) { 8235 // can't happen; the backup manager is local 8236 } catch (Exception e) { 8237 Slog.e(TAG, "Exception trying to enqueue restore", e); 8238 doRestore = false; 8239 } 8240 } else { 8241 Slog.e(TAG, "Backup Manager not found!"); 8242 doRestore = false; 8243 } 8244 } 8245 8246 if (!doRestore) { 8247 // No restore possible, or the Backup Manager was mysteriously not 8248 // available -- just fire the post-install work request directly. 8249 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8250 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8251 mHandler.sendMessage(msg); 8252 } 8253 } 8254 }); 8255 } 8256 8257 private abstract class HandlerParams { 8258 private static final int MAX_RETRIES = 4; 8259 8260 /** 8261 * Number of times startCopy() has been attempted and had a non-fatal 8262 * error. 8263 */ 8264 private int mRetries = 0; 8265 8266 /** User handle for the user requesting the information or installation. */ 8267 private final UserHandle mUser; 8268 8269 HandlerParams(UserHandle user) { 8270 mUser = user; 8271 } 8272 8273 UserHandle getUser() { 8274 return mUser; 8275 } 8276 8277 final boolean startCopy() { 8278 boolean res; 8279 try { 8280 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8281 8282 if (++mRetries > MAX_RETRIES) { 8283 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8284 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8285 handleServiceError(); 8286 return false; 8287 } else { 8288 handleStartCopy(); 8289 res = true; 8290 } 8291 } catch (RemoteException e) { 8292 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8293 mHandler.sendEmptyMessage(MCS_RECONNECT); 8294 res = false; 8295 } 8296 handleReturnCode(); 8297 return res; 8298 } 8299 8300 final void serviceError() { 8301 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8302 handleServiceError(); 8303 handleReturnCode(); 8304 } 8305 8306 abstract void handleStartCopy() throws RemoteException; 8307 abstract void handleServiceError(); 8308 abstract void handleReturnCode(); 8309 } 8310 8311 class MeasureParams extends HandlerParams { 8312 private final PackageStats mStats; 8313 private boolean mSuccess; 8314 8315 private final IPackageStatsObserver mObserver; 8316 8317 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8318 super(new UserHandle(stats.userHandle)); 8319 mObserver = observer; 8320 mStats = stats; 8321 } 8322 8323 @Override 8324 public String toString() { 8325 return "MeasureParams{" 8326 + Integer.toHexString(System.identityHashCode(this)) 8327 + " " + mStats.packageName + "}"; 8328 } 8329 8330 @Override 8331 void handleStartCopy() throws RemoteException { 8332 synchronized (mInstallLock) { 8333 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8334 } 8335 8336 if (mSuccess) { 8337 final boolean mounted; 8338 if (Environment.isExternalStorageEmulated()) { 8339 mounted = true; 8340 } else { 8341 final String status = Environment.getExternalStorageState(); 8342 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8343 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8344 } 8345 8346 if (mounted) { 8347 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8348 8349 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8350 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8351 8352 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8353 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8354 8355 // Always subtract cache size, since it's a subdirectory 8356 mStats.externalDataSize -= mStats.externalCacheSize; 8357 8358 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8359 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8360 8361 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8362 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8363 } 8364 } 8365 } 8366 8367 @Override 8368 void handleReturnCode() { 8369 if (mObserver != null) { 8370 try { 8371 mObserver.onGetStatsCompleted(mStats, mSuccess); 8372 } catch (RemoteException e) { 8373 Slog.i(TAG, "Observer no longer exists."); 8374 } 8375 } 8376 } 8377 8378 @Override 8379 void handleServiceError() { 8380 Slog.e(TAG, "Could not measure application " + mStats.packageName 8381 + " external storage"); 8382 } 8383 } 8384 8385 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8386 throws RemoteException { 8387 long result = 0; 8388 for (File path : paths) { 8389 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8390 } 8391 return result; 8392 } 8393 8394 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8395 for (File path : paths) { 8396 try { 8397 mcs.clearDirectory(path.getAbsolutePath()); 8398 } catch (RemoteException e) { 8399 } 8400 } 8401 } 8402 8403 class InstallParams extends HandlerParams { 8404 final IPackageInstallObserver observer; 8405 final IPackageInstallObserver2 observer2; 8406 int flags; 8407 8408 private final Uri mPackageURI; 8409 final String installerPackageName; 8410 final VerificationParams verificationParams; 8411 private InstallArgs mArgs; 8412 private int mRet; 8413 private File mTempPackage; 8414 final ContainerEncryptionParams encryptionParams; 8415 final String packageAbiOverride; 8416 final String packageInstructionSetOverride; 8417 8418 InstallParams(Uri packageURI, 8419 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8420 int flags, String installerPackageName, VerificationParams verificationParams, 8421 ContainerEncryptionParams encryptionParams, UserHandle user, 8422 String packageAbiOverride) { 8423 super(user); 8424 this.mPackageURI = packageURI; 8425 this.flags = flags; 8426 this.observer = observer; 8427 this.observer2 = observer2; 8428 this.installerPackageName = installerPackageName; 8429 this.verificationParams = verificationParams; 8430 this.encryptionParams = encryptionParams; 8431 this.packageAbiOverride = packageAbiOverride; 8432 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8433 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8434 } 8435 8436 @Override 8437 public String toString() { 8438 return "InstallParams{" 8439 + Integer.toHexString(System.identityHashCode(this)) 8440 + " " + mPackageURI + "}"; 8441 } 8442 8443 public ManifestDigest getManifestDigest() { 8444 if (verificationParams == null) { 8445 return null; 8446 } 8447 return verificationParams.getManifestDigest(); 8448 } 8449 8450 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8451 String packageName = pkgLite.packageName; 8452 int installLocation = pkgLite.installLocation; 8453 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8454 // reader 8455 synchronized (mPackages) { 8456 PackageParser.Package pkg = mPackages.get(packageName); 8457 if (pkg != null) { 8458 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8459 // Check for downgrading. 8460 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8461 if (pkgLite.versionCode < pkg.mVersionCode) { 8462 Slog.w(TAG, "Can't install update of " + packageName 8463 + " update version " + pkgLite.versionCode 8464 + " is older than installed version " 8465 + pkg.mVersionCode); 8466 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8467 } 8468 } 8469 // Check for updated system application. 8470 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8471 if (onSd) { 8472 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8473 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8474 } 8475 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8476 } else { 8477 if (onSd) { 8478 // Install flag overrides everything. 8479 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8480 } 8481 // If current upgrade specifies particular preference 8482 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8483 // Application explicitly specified internal. 8484 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8485 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8486 // App explictly prefers external. Let policy decide 8487 } else { 8488 // Prefer previous location 8489 if (isExternal(pkg)) { 8490 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8491 } 8492 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8493 } 8494 } 8495 } else { 8496 // Invalid install. Return error code 8497 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8498 } 8499 } 8500 } 8501 // All the special cases have been taken care of. 8502 // Return result based on recommended install location. 8503 if (onSd) { 8504 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8505 } 8506 return pkgLite.recommendedInstallLocation; 8507 } 8508 8509 private long getMemoryLowThreshold() { 8510 final DeviceStorageMonitorInternal 8511 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8512 if (dsm == null) { 8513 return 0L; 8514 } 8515 return dsm.getMemoryLowThreshold(); 8516 } 8517 8518 /* 8519 * Invoke remote method to get package information and install 8520 * location values. Override install location based on default 8521 * policy if needed and then create install arguments based 8522 * on the install location. 8523 */ 8524 public void handleStartCopy() throws RemoteException { 8525 int ret = PackageManager.INSTALL_SUCCEEDED; 8526 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8527 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8528 PackageInfoLite pkgLite = null; 8529 8530 if (onInt && onSd) { 8531 // Check if both bits are set. 8532 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8533 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8534 } else { 8535 final long lowThreshold = getMemoryLowThreshold(); 8536 if (lowThreshold == 0L) { 8537 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8538 } 8539 8540 try { 8541 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8542 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8543 8544 final File packageFile; 8545 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8546 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8547 if (mTempPackage != null) { 8548 ParcelFileDescriptor out; 8549 try { 8550 out = ParcelFileDescriptor.open(mTempPackage, 8551 ParcelFileDescriptor.MODE_READ_WRITE); 8552 } catch (FileNotFoundException e) { 8553 out = null; 8554 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8555 } 8556 8557 // Make a temporary file for decryption. 8558 ret = mContainerService 8559 .copyResource(mPackageURI, encryptionParams, out); 8560 IoUtils.closeQuietly(out); 8561 8562 packageFile = mTempPackage; 8563 8564 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8565 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8566 | FileUtils.S_IROTH, 8567 -1, -1); 8568 } else { 8569 packageFile = null; 8570 } 8571 } else { 8572 packageFile = new File(mPackageURI.getPath()); 8573 } 8574 8575 if (packageFile != null) { 8576 // Remote call to find out default install location 8577 final String packageFilePath = packageFile.getAbsolutePath(); 8578 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8579 lowThreshold, packageAbiOverride); 8580 8581 /* 8582 * If we have too little free space, try to free cache 8583 * before giving up. 8584 */ 8585 if (pkgLite.recommendedInstallLocation 8586 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8587 final long size = mContainerService.calculateInstalledSize( 8588 packageFilePath, isForwardLocked(), packageAbiOverride); 8589 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8590 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8591 flags, lowThreshold, packageAbiOverride); 8592 } 8593 /* 8594 * The cache free must have deleted the file we 8595 * downloaded to install. 8596 * 8597 * TODO: fix the "freeCache" call to not delete 8598 * the file we care about. 8599 */ 8600 if (pkgLite.recommendedInstallLocation 8601 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8602 pkgLite.recommendedInstallLocation 8603 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8604 } 8605 } 8606 } 8607 } finally { 8608 mContext.revokeUriPermission(mPackageURI, 8609 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8610 } 8611 } 8612 8613 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8614 int loc = pkgLite.recommendedInstallLocation; 8615 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8616 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8617 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8618 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8619 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8620 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8621 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8622 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8623 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8624 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8625 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8626 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8627 } else { 8628 // Override with defaults if needed. 8629 loc = installLocationPolicy(pkgLite, flags); 8630 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8631 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8632 } else if (!onSd && !onInt) { 8633 // Override install location with flags 8634 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8635 // Set the flag to install on external media. 8636 flags |= PackageManager.INSTALL_EXTERNAL; 8637 flags &= ~PackageManager.INSTALL_INTERNAL; 8638 } else { 8639 // Make sure the flag for installing on external 8640 // media is unset 8641 flags |= PackageManager.INSTALL_INTERNAL; 8642 flags &= ~PackageManager.INSTALL_EXTERNAL; 8643 } 8644 } 8645 } 8646 } 8647 8648 final InstallArgs args = createInstallArgs(this); 8649 mArgs = args; 8650 8651 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8652 /* 8653 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8654 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8655 */ 8656 int userIdentifier = getUser().getIdentifier(); 8657 if (userIdentifier == UserHandle.USER_ALL 8658 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8659 userIdentifier = UserHandle.USER_OWNER; 8660 } 8661 8662 /* 8663 * Determine if we have any installed package verifiers. If we 8664 * do, then we'll defer to them to verify the packages. 8665 */ 8666 final int requiredUid = mRequiredVerifierPackage == null ? -1 8667 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8668 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8669 final Intent verification = new Intent( 8670 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8671 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8672 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8673 8674 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8675 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8676 0 /* TODO: Which userId? */); 8677 8678 if (DEBUG_VERIFY) { 8679 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8680 + verification.toString() + " with " + pkgLite.verifiers.length 8681 + " optional verifiers"); 8682 } 8683 8684 final int verificationId = mPendingVerificationToken++; 8685 8686 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8687 8688 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8689 installerPackageName); 8690 8691 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8692 8693 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8694 pkgLite.packageName); 8695 8696 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8697 pkgLite.versionCode); 8698 8699 if (verificationParams != null) { 8700 if (verificationParams.getVerificationURI() != null) { 8701 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8702 verificationParams.getVerificationURI()); 8703 } 8704 if (verificationParams.getOriginatingURI() != null) { 8705 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8706 verificationParams.getOriginatingURI()); 8707 } 8708 if (verificationParams.getReferrer() != null) { 8709 verification.putExtra(Intent.EXTRA_REFERRER, 8710 verificationParams.getReferrer()); 8711 } 8712 if (verificationParams.getOriginatingUid() >= 0) { 8713 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8714 verificationParams.getOriginatingUid()); 8715 } 8716 if (verificationParams.getInstallerUid() >= 0) { 8717 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8718 verificationParams.getInstallerUid()); 8719 } 8720 } 8721 8722 final PackageVerificationState verificationState = new PackageVerificationState( 8723 requiredUid, args); 8724 8725 mPendingVerification.append(verificationId, verificationState); 8726 8727 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8728 receivers, verificationState); 8729 8730 /* 8731 * If any sufficient verifiers were listed in the package 8732 * manifest, attempt to ask them. 8733 */ 8734 if (sufficientVerifiers != null) { 8735 final int N = sufficientVerifiers.size(); 8736 if (N == 0) { 8737 Slog.i(TAG, "Additional verifiers required, but none installed."); 8738 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8739 } else { 8740 for (int i = 0; i < N; i++) { 8741 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8742 8743 final Intent sufficientIntent = new Intent(verification); 8744 sufficientIntent.setComponent(verifierComponent); 8745 8746 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8747 } 8748 } 8749 } 8750 8751 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8752 mRequiredVerifierPackage, receivers); 8753 if (ret == PackageManager.INSTALL_SUCCEEDED 8754 && mRequiredVerifierPackage != null) { 8755 /* 8756 * Send the intent to the required verification agent, 8757 * but only start the verification timeout after the 8758 * target BroadcastReceivers have run. 8759 */ 8760 verification.setComponent(requiredVerifierComponent); 8761 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8762 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8763 new BroadcastReceiver() { 8764 @Override 8765 public void onReceive(Context context, Intent intent) { 8766 final Message msg = mHandler 8767 .obtainMessage(CHECK_PENDING_VERIFICATION); 8768 msg.arg1 = verificationId; 8769 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8770 } 8771 }, null, 0, null, null); 8772 8773 /* 8774 * We don't want the copy to proceed until verification 8775 * succeeds, so null out this field. 8776 */ 8777 mArgs = null; 8778 } 8779 } else { 8780 /* 8781 * No package verification is enabled, so immediately start 8782 * the remote call to initiate copy using temporary file. 8783 */ 8784 ret = args.copyApk(mContainerService, true); 8785 } 8786 } 8787 8788 mRet = ret; 8789 } 8790 8791 @Override 8792 void handleReturnCode() { 8793 // If mArgs is null, then MCS couldn't be reached. When it 8794 // reconnects, it will try again to install. At that point, this 8795 // will succeed. 8796 if (mArgs != null) { 8797 processPendingInstall(mArgs, mRet); 8798 8799 if (mTempPackage != null) { 8800 if (!mTempPackage.delete()) { 8801 Slog.w(TAG, "Couldn't delete temporary file: " + 8802 mTempPackage.getAbsolutePath()); 8803 } 8804 } 8805 } 8806 } 8807 8808 @Override 8809 void handleServiceError() { 8810 mArgs = createInstallArgs(this); 8811 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8812 } 8813 8814 public boolean isForwardLocked() { 8815 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8816 } 8817 8818 public Uri getPackageUri() { 8819 if (mTempPackage != null) { 8820 return Uri.fromFile(mTempPackage); 8821 } else { 8822 return mPackageURI; 8823 } 8824 } 8825 } 8826 8827 /* 8828 * Utility class used in movePackage api. 8829 * srcArgs and targetArgs are not set for invalid flags and make 8830 * sure to do null checks when invoking methods on them. 8831 * We probably want to return ErrorPrams for both failed installs 8832 * and moves. 8833 */ 8834 class MoveParams extends HandlerParams { 8835 final IPackageMoveObserver observer; 8836 final int flags; 8837 final String packageName; 8838 final InstallArgs srcArgs; 8839 final InstallArgs targetArgs; 8840 int uid; 8841 int mRet; 8842 8843 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8844 String packageName, String dataDir, String instructionSet, 8845 int uid, UserHandle user) { 8846 super(user); 8847 this.srcArgs = srcArgs; 8848 this.observer = observer; 8849 this.flags = flags; 8850 this.packageName = packageName; 8851 this.uid = uid; 8852 if (srcArgs != null) { 8853 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8854 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8855 } else { 8856 targetArgs = null; 8857 } 8858 } 8859 8860 @Override 8861 public String toString() { 8862 return "MoveParams{" 8863 + Integer.toHexString(System.identityHashCode(this)) 8864 + " " + packageName + "}"; 8865 } 8866 8867 public void handleStartCopy() throws RemoteException { 8868 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8869 // Check for storage space on target medium 8870 if (!targetArgs.checkFreeStorage(mContainerService)) { 8871 Log.w(TAG, "Insufficient storage to install"); 8872 return; 8873 } 8874 8875 mRet = srcArgs.doPreCopy(); 8876 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8877 return; 8878 } 8879 8880 mRet = targetArgs.copyApk(mContainerService, false); 8881 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8882 srcArgs.doPostCopy(uid); 8883 return; 8884 } 8885 8886 mRet = srcArgs.doPostCopy(uid); 8887 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8888 return; 8889 } 8890 8891 mRet = targetArgs.doPreInstall(mRet); 8892 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8893 return; 8894 } 8895 8896 if (DEBUG_SD_INSTALL) { 8897 StringBuilder builder = new StringBuilder(); 8898 if (srcArgs != null) { 8899 builder.append("src: "); 8900 builder.append(srcArgs.getCodePath()); 8901 } 8902 if (targetArgs != null) { 8903 builder.append(" target : "); 8904 builder.append(targetArgs.getCodePath()); 8905 } 8906 Log.i(TAG, builder.toString()); 8907 } 8908 } 8909 8910 @Override 8911 void handleReturnCode() { 8912 targetArgs.doPostInstall(mRet, uid); 8913 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8914 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8915 currentStatus = PackageManager.MOVE_SUCCEEDED; 8916 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8917 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8918 } 8919 processPendingMove(this, currentStatus); 8920 } 8921 8922 @Override 8923 void handleServiceError() { 8924 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8925 } 8926 } 8927 8928 /** 8929 * Used during creation of InstallArgs 8930 * 8931 * @param flags package installation flags 8932 * @return true if should be installed on external storage 8933 */ 8934 private static boolean installOnSd(int flags) { 8935 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8936 return false; 8937 } 8938 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8939 return true; 8940 } 8941 return false; 8942 } 8943 8944 /** 8945 * Used during creation of InstallArgs 8946 * 8947 * @param flags package installation flags 8948 * @return true if should be installed as forward locked 8949 */ 8950 private static boolean installForwardLocked(int flags) { 8951 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8952 } 8953 8954 private InstallArgs createInstallArgs(InstallParams params) { 8955 if (installOnSd(params.flags) || params.isForwardLocked()) { 8956 return new AsecInstallArgs(params); 8957 } else { 8958 return new FileInstallArgs(params); 8959 } 8960 } 8961 8962 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8963 String nativeLibraryPath, String instructionSet) { 8964 final boolean isInAsec; 8965 if (installOnSd(flags)) { 8966 /* Apps on SD card are always in ASEC containers. */ 8967 isInAsec = true; 8968 } else if (installForwardLocked(flags) 8969 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8970 /* 8971 * Forward-locked apps are only in ASEC containers if they're the 8972 * new style 8973 */ 8974 isInAsec = true; 8975 } else { 8976 isInAsec = false; 8977 } 8978 8979 if (isInAsec) { 8980 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8981 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8982 } else { 8983 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8984 instructionSet); 8985 } 8986 } 8987 8988 // Used by package mover 8989 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8990 String instructionSet) { 8991 if (installOnSd(flags) || installForwardLocked(flags)) { 8992 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8993 + AsecInstallArgs.RES_FILE_NAME); 8994 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8995 installForwardLocked(flags)); 8996 } else { 8997 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8998 } 8999 } 9000 9001 static abstract class InstallArgs { 9002 final IPackageInstallObserver observer; 9003 final IPackageInstallObserver2 observer2; 9004 // Always refers to PackageManager flags only 9005 final int flags; 9006 final Uri packageURI; 9007 final String installerPackageName; 9008 final ManifestDigest manifestDigest; 9009 final UserHandle user; 9010 final String instructionSet; 9011 final String abiOverride; 9012 9013 InstallArgs(Uri packageURI, 9014 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 9015 int flags, String installerPackageName, ManifestDigest manifestDigest, 9016 UserHandle user, String instructionSet, String abiOverride) { 9017 this.packageURI = packageURI; 9018 this.flags = flags; 9019 this.observer = observer; 9020 this.observer2 = observer2; 9021 this.installerPackageName = installerPackageName; 9022 this.manifestDigest = manifestDigest; 9023 this.user = user; 9024 this.instructionSet = instructionSet; 9025 this.abiOverride = abiOverride; 9026 } 9027 9028 abstract void createCopyFile(); 9029 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9030 abstract int doPreInstall(int status); 9031 abstract boolean doRename(int status, String pkgName, String oldCodePath); 9032 9033 abstract int doPostInstall(int status, int uid); 9034 abstract String getCodePath(); 9035 abstract String getResourcePath(); 9036 abstract String getNativeLibraryPath(); 9037 // Need installer lock especially for dex file removal. 9038 abstract void cleanUpResourcesLI(); 9039 abstract boolean doPostDeleteLI(boolean delete); 9040 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9041 9042 String[] getSplitCodePaths() { 9043 return null; 9044 } 9045 9046 /** 9047 * Called before the source arguments are copied. This is used mostly 9048 * for MoveParams when it needs to read the source file to put it in the 9049 * destination. 9050 */ 9051 int doPreCopy() { 9052 return PackageManager.INSTALL_SUCCEEDED; 9053 } 9054 9055 /** 9056 * Called after the source arguments are copied. This is used mostly for 9057 * MoveParams when it needs to read the source file to put it in the 9058 * destination. 9059 * 9060 * @return 9061 */ 9062 int doPostCopy(int uid) { 9063 return PackageManager.INSTALL_SUCCEEDED; 9064 } 9065 9066 protected boolean isFwdLocked() { 9067 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9068 } 9069 9070 UserHandle getUser() { 9071 return user; 9072 } 9073 } 9074 9075 class FileInstallArgs extends InstallArgs { 9076 File installDir; 9077 String codeFileName; 9078 String resourceFileName; 9079 String libraryPath; 9080 boolean created = false; 9081 9082 FileInstallArgs(InstallParams params) { 9083 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9084 params.installerPackageName, params.getManifestDigest(), 9085 params.getUser(), params.packageInstructionSetOverride, 9086 params.packageAbiOverride); 9087 } 9088 9089 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9090 String instructionSet) { 9091 super(null, null, null, 0, null, null, null, instructionSet, null); 9092 File codeFile = new File(fullCodePath); 9093 installDir = codeFile.getParentFile(); 9094 codeFileName = fullCodePath; 9095 resourceFileName = fullResourcePath; 9096 libraryPath = nativeLibraryPath; 9097 } 9098 9099 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 9100 super(packageURI, null, null, 0, null, null, null, instructionSet, null); 9101 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9102 String apkName = getNextCodePath(null, pkgName, ".apk"); 9103 codeFileName = new File(installDir, apkName + ".apk").getPath(); 9104 resourceFileName = getResourcePathFromCodePath(); 9105 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 9106 } 9107 9108 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9109 final long lowThreshold; 9110 9111 final DeviceStorageMonitorInternal 9112 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9113 if (dsm == null) { 9114 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9115 lowThreshold = 0L; 9116 } else { 9117 if (dsm.isMemoryLow()) { 9118 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9119 return false; 9120 } 9121 9122 lowThreshold = dsm.getMemoryLowThreshold(); 9123 } 9124 9125 try { 9126 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9127 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9128 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9129 } finally { 9130 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9131 } 9132 } 9133 9134 void createCopyFile() { 9135 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9136 codeFileName = createTempPackageFile(installDir).getPath(); 9137 resourceFileName = getResourcePathFromCodePath(); 9138 libraryPath = getLibraryPathFromCodePath(); 9139 created = true; 9140 } 9141 9142 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9143 if (temp) { 9144 // Generate temp file name 9145 createCopyFile(); 9146 } 9147 // Get a ParcelFileDescriptor to write to the output file 9148 File codeFile = new File(codeFileName); 9149 if (!created) { 9150 try { 9151 codeFile.createNewFile(); 9152 // Set permissions 9153 if (!setPermissions()) { 9154 // Failed setting permissions. 9155 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9156 } 9157 } catch (IOException e) { 9158 Slog.w(TAG, "Failed to create file " + codeFile); 9159 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9160 } 9161 } 9162 ParcelFileDescriptor out = null; 9163 try { 9164 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9165 } catch (FileNotFoundException e) { 9166 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9167 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9168 } 9169 // Copy the resource now 9170 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9171 try { 9172 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9173 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9174 ret = imcs.copyResource(packageURI, null, out); 9175 } finally { 9176 IoUtils.closeQuietly(out); 9177 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9178 } 9179 9180 if (isFwdLocked()) { 9181 final File destResourceFile = new File(getResourcePath()); 9182 9183 // Copy the public files 9184 try { 9185 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9186 } catch (IOException e) { 9187 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9188 + " forward-locked app."); 9189 destResourceFile.delete(); 9190 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9191 } 9192 } 9193 9194 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9195 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9196 if (nativeLibraryFile.exists()) { 9197 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9198 nativeLibraryFile.delete(); 9199 } 9200 9201 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(codeFile); 9202 String[] abiList = (abiOverride != null) ? 9203 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9204 try { 9205 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 9206 abiOverride == null && 9207 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9208 abiList = Build.SUPPORTED_32_BIT_ABIS; 9209 } 9210 9211 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 9212 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9213 return copyRet; 9214 } 9215 } catch (IOException e) { 9216 Slog.e(TAG, "Copying native libraries failed", e); 9217 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9218 } finally { 9219 handle.close(); 9220 } 9221 9222 return ret; 9223 } 9224 9225 int doPreInstall(int status) { 9226 if (status != PackageManager.INSTALL_SUCCEEDED) { 9227 cleanUp(); 9228 } 9229 return status; 9230 } 9231 9232 boolean doRename(int status, final String pkgName, String oldCodePath) { 9233 if (status != PackageManager.INSTALL_SUCCEEDED) { 9234 cleanUp(); 9235 return false; 9236 } else { 9237 final File oldCodeFile = new File(getCodePath()); 9238 final File oldResourceFile = new File(getResourcePath()); 9239 final File oldLibraryFile = new File(getNativeLibraryPath()); 9240 9241 // Rename APK file based on packageName 9242 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9243 final File newCodeFile = new File(installDir, apkName + ".apk"); 9244 if (!oldCodeFile.renameTo(newCodeFile)) { 9245 return false; 9246 } 9247 codeFileName = newCodeFile.getPath(); 9248 9249 // Rename public resource file if it's forward-locked. 9250 final File newResFile = new File(getResourcePathFromCodePath()); 9251 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9252 return false; 9253 } 9254 resourceFileName = newResFile.getPath(); 9255 9256 // Rename library path 9257 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9258 if (newLibraryFile.exists()) { 9259 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9260 newLibraryFile.delete(); 9261 } 9262 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9263 Slog.e(TAG, "Cannot rename native library directory " 9264 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9265 return false; 9266 } 9267 libraryPath = newLibraryFile.getPath(); 9268 9269 // Attempt to set permissions 9270 if (!setPermissions()) { 9271 return false; 9272 } 9273 9274 if (!SELinux.restorecon(newCodeFile)) { 9275 return false; 9276 } 9277 9278 return true; 9279 } 9280 } 9281 9282 int doPostInstall(int status, int uid) { 9283 if (status != PackageManager.INSTALL_SUCCEEDED) { 9284 cleanUp(); 9285 } 9286 return status; 9287 } 9288 9289 private String getResourcePathFromCodePath() { 9290 final String codePath = getCodePath(); 9291 if (isFwdLocked()) { 9292 final StringBuilder sb = new StringBuilder(); 9293 9294 sb.append(mAppInstallDir.getPath()); 9295 sb.append('/'); 9296 sb.append(getApkName(codePath)); 9297 sb.append(".zip"); 9298 9299 /* 9300 * If our APK is a temporary file, mark the resource as a 9301 * temporary file as well so it can be cleaned up after 9302 * catastrophic failure. 9303 */ 9304 if (codePath.endsWith(".tmp")) { 9305 sb.append(".tmp"); 9306 } 9307 9308 return sb.toString(); 9309 } else { 9310 return codePath; 9311 } 9312 } 9313 9314 private String getLibraryPathFromCodePath() { 9315 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9316 } 9317 9318 @Override 9319 String getCodePath() { 9320 return codeFileName; 9321 } 9322 9323 @Override 9324 String getResourcePath() { 9325 return resourceFileName; 9326 } 9327 9328 @Override 9329 String getNativeLibraryPath() { 9330 if (libraryPath == null) { 9331 libraryPath = getLibraryPathFromCodePath(); 9332 } 9333 return libraryPath; 9334 } 9335 9336 private boolean cleanUp() { 9337 boolean ret = true; 9338 String sourceDir = getCodePath(); 9339 String publicSourceDir = getResourcePath(); 9340 if (sourceDir != null) { 9341 File sourceFile = new File(sourceDir); 9342 if (!sourceFile.exists()) { 9343 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9344 ret = false; 9345 } 9346 // Delete application's code and resources 9347 sourceFile.delete(); 9348 } 9349 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9350 final File publicSourceFile = new File(publicSourceDir); 9351 if (!publicSourceFile.exists()) { 9352 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9353 } 9354 if (publicSourceFile.exists()) { 9355 publicSourceFile.delete(); 9356 } 9357 } 9358 9359 if (libraryPath != null) { 9360 File nativeLibraryFile = new File(libraryPath); 9361 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9362 if (!nativeLibraryFile.delete()) { 9363 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9364 } 9365 } 9366 9367 return ret; 9368 } 9369 9370 void cleanUpResourcesLI() { 9371 String sourceDir = getCodePath(); 9372 if (cleanUp()) { 9373 if (instructionSet == null) { 9374 throw new IllegalStateException("instructionSet == null"); 9375 } 9376 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9377 if (retCode < 0) { 9378 Slog.w(TAG, "Couldn't remove dex file for package: " 9379 + " at location " 9380 + sourceDir + ", retcode=" + retCode); 9381 // we don't consider this to be a failure of the core package deletion 9382 } 9383 } 9384 } 9385 9386 private boolean setPermissions() { 9387 // TODO Do this in a more elegant way later on. for now just a hack 9388 if (!isFwdLocked()) { 9389 final int filePermissions = 9390 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9391 |FileUtils.S_IROTH; 9392 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9393 if (retCode != 0) { 9394 Slog.e(TAG, "Couldn't set new package file permissions for " + 9395 getCodePath() 9396 + ". The return code was: " + retCode); 9397 // TODO Define new internal error 9398 return false; 9399 } 9400 return true; 9401 } 9402 return true; 9403 } 9404 9405 boolean doPostDeleteLI(boolean delete) { 9406 // XXX err, shouldn't we respect the delete flag? 9407 cleanUpResourcesLI(); 9408 return true; 9409 } 9410 } 9411 9412 private boolean isAsecExternal(String cid) { 9413 final String asecPath = PackageHelper.getSdFilesystem(cid); 9414 return !asecPath.startsWith(mAsecInternalPath); 9415 } 9416 9417 /** 9418 * Extract the MountService "container ID" from the full code path of an 9419 * .apk. 9420 */ 9421 static String cidFromCodePath(String fullCodePath) { 9422 int eidx = fullCodePath.lastIndexOf("/"); 9423 String subStr1 = fullCodePath.substring(0, eidx); 9424 int sidx = subStr1.lastIndexOf("/"); 9425 return subStr1.substring(sidx+1, eidx); 9426 } 9427 9428 class AsecInstallArgs extends InstallArgs { 9429 static final String RES_FILE_NAME = "pkg.apk"; 9430 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9431 9432 String cid; 9433 String packagePath; 9434 String resourcePath; 9435 String libraryPath; 9436 9437 AsecInstallArgs(InstallParams params) { 9438 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9439 params.installerPackageName, params.getManifestDigest(), 9440 params.getUser(), params.packageInstructionSetOverride, 9441 params.packageAbiOverride); 9442 } 9443 9444 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9445 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9446 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9447 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9448 null, null, null, instructionSet, null); 9449 // Extract cid from fullCodePath 9450 int eidx = fullCodePath.lastIndexOf("/"); 9451 String subStr1 = fullCodePath.substring(0, eidx); 9452 int sidx = subStr1.lastIndexOf("/"); 9453 cid = subStr1.substring(sidx+1, eidx); 9454 setCachePath(subStr1); 9455 } 9456 9457 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9458 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9459 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9460 null, null, null, instructionSet, null); 9461 this.cid = cid; 9462 setCachePath(PackageHelper.getSdDir(cid)); 9463 } 9464 9465 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9466 boolean isExternal, boolean isForwardLocked) { 9467 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9468 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9469 null, null, null, instructionSet, null); 9470 this.cid = cid; 9471 } 9472 9473 void createCopyFile() { 9474 cid = getTempContainerId(); 9475 } 9476 9477 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9478 try { 9479 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9480 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9481 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9482 } finally { 9483 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9484 } 9485 } 9486 9487 private final boolean isExternal() { 9488 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9489 } 9490 9491 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9492 if (temp) { 9493 createCopyFile(); 9494 } else { 9495 /* 9496 * Pre-emptively destroy the container since it's destroyed if 9497 * copying fails due to it existing anyway. 9498 */ 9499 PackageHelper.destroySdDir(cid); 9500 } 9501 9502 final String newCachePath; 9503 try { 9504 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9505 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9506 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9507 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9508 abiOverride); 9509 } finally { 9510 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9511 } 9512 9513 if (newCachePath != null) { 9514 setCachePath(newCachePath); 9515 return PackageManager.INSTALL_SUCCEEDED; 9516 } else { 9517 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9518 } 9519 } 9520 9521 @Override 9522 String getCodePath() { 9523 return packagePath; 9524 } 9525 9526 @Override 9527 String getResourcePath() { 9528 return resourcePath; 9529 } 9530 9531 @Override 9532 String getNativeLibraryPath() { 9533 return libraryPath; 9534 } 9535 9536 int doPreInstall(int status) { 9537 if (status != PackageManager.INSTALL_SUCCEEDED) { 9538 // Destroy container 9539 PackageHelper.destroySdDir(cid); 9540 } else { 9541 boolean mounted = PackageHelper.isContainerMounted(cid); 9542 if (!mounted) { 9543 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9544 Process.SYSTEM_UID); 9545 if (newCachePath != null) { 9546 setCachePath(newCachePath); 9547 } else { 9548 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9549 } 9550 } 9551 } 9552 return status; 9553 } 9554 9555 boolean doRename(int status, final String pkgName, 9556 String oldCodePath) { 9557 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9558 String newCachePath = null; 9559 if (PackageHelper.isContainerMounted(cid)) { 9560 // Unmount the container 9561 if (!PackageHelper.unMountSdDir(cid)) { 9562 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9563 return false; 9564 } 9565 } 9566 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9567 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9568 " which might be stale. Will try to clean up."); 9569 // Clean up the stale container and proceed to recreate. 9570 if (!PackageHelper.destroySdDir(newCacheId)) { 9571 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9572 return false; 9573 } 9574 // Successfully cleaned up stale container. Try to rename again. 9575 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9576 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9577 + " inspite of cleaning it up."); 9578 return false; 9579 } 9580 } 9581 if (!PackageHelper.isContainerMounted(newCacheId)) { 9582 Slog.w(TAG, "Mounting container " + newCacheId); 9583 newCachePath = PackageHelper.mountSdDir(newCacheId, 9584 getEncryptKey(), Process.SYSTEM_UID); 9585 } else { 9586 newCachePath = PackageHelper.getSdDir(newCacheId); 9587 } 9588 if (newCachePath == null) { 9589 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9590 return false; 9591 } 9592 Log.i(TAG, "Succesfully renamed " + cid + 9593 " to " + newCacheId + 9594 " at new path: " + newCachePath); 9595 cid = newCacheId; 9596 setCachePath(newCachePath); 9597 return true; 9598 } 9599 9600 private void setCachePath(String newCachePath) { 9601 File cachePath = new File(newCachePath); 9602 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9603 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9604 9605 if (isFwdLocked()) { 9606 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9607 } else { 9608 resourcePath = packagePath; 9609 } 9610 } 9611 9612 int doPostInstall(int status, int uid) { 9613 if (status != PackageManager.INSTALL_SUCCEEDED) { 9614 cleanUp(); 9615 } else { 9616 final int groupOwner; 9617 final String protectedFile; 9618 if (isFwdLocked()) { 9619 groupOwner = UserHandle.getSharedAppGid(uid); 9620 protectedFile = RES_FILE_NAME; 9621 } else { 9622 groupOwner = -1; 9623 protectedFile = null; 9624 } 9625 9626 if (uid < Process.FIRST_APPLICATION_UID 9627 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9628 Slog.e(TAG, "Failed to finalize " + cid); 9629 PackageHelper.destroySdDir(cid); 9630 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9631 } 9632 9633 boolean mounted = PackageHelper.isContainerMounted(cid); 9634 if (!mounted) { 9635 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9636 } 9637 } 9638 return status; 9639 } 9640 9641 private void cleanUp() { 9642 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9643 9644 // Destroy secure container 9645 PackageHelper.destroySdDir(cid); 9646 } 9647 9648 void cleanUpResourcesLI() { 9649 String sourceFile = getCodePath(); 9650 // Remove dex file 9651 if (instructionSet == null) { 9652 throw new IllegalStateException("instructionSet == null"); 9653 } 9654 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9655 if (retCode < 0) { 9656 Slog.w(TAG, "Couldn't remove dex file for package: " 9657 + " at location " 9658 + sourceFile.toString() + ", retcode=" + retCode); 9659 // we don't consider this to be a failure of the core package deletion 9660 } 9661 cleanUp(); 9662 } 9663 9664 boolean matchContainer(String app) { 9665 if (cid.startsWith(app)) { 9666 return true; 9667 } 9668 return false; 9669 } 9670 9671 String getPackageName() { 9672 return getAsecPackageName(cid); 9673 } 9674 9675 boolean doPostDeleteLI(boolean delete) { 9676 boolean ret = false; 9677 boolean mounted = PackageHelper.isContainerMounted(cid); 9678 if (mounted) { 9679 // Unmount first 9680 ret = PackageHelper.unMountSdDir(cid); 9681 } 9682 if (ret && delete) { 9683 cleanUpResourcesLI(); 9684 } 9685 return ret; 9686 } 9687 9688 @Override 9689 int doPreCopy() { 9690 if (isFwdLocked()) { 9691 if (!PackageHelper.fixSdPermissions(cid, 9692 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9693 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9694 } 9695 } 9696 9697 return PackageManager.INSTALL_SUCCEEDED; 9698 } 9699 9700 @Override 9701 int doPostCopy(int uid) { 9702 if (isFwdLocked()) { 9703 if (uid < Process.FIRST_APPLICATION_UID 9704 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9705 RES_FILE_NAME)) { 9706 Slog.e(TAG, "Failed to finalize " + cid); 9707 PackageHelper.destroySdDir(cid); 9708 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9709 } 9710 } 9711 9712 return PackageManager.INSTALL_SUCCEEDED; 9713 } 9714 } 9715 9716 static String getAsecPackageName(String packageCid) { 9717 int idx = packageCid.lastIndexOf("-"); 9718 if (idx == -1) { 9719 return packageCid; 9720 } 9721 return packageCid.substring(0, idx); 9722 } 9723 9724 // Utility method used to create code paths based on package name and available index. 9725 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9726 String idxStr = ""; 9727 int idx = 1; 9728 // Fall back to default value of idx=1 if prefix is not 9729 // part of oldCodePath 9730 if (oldCodePath != null) { 9731 String subStr = oldCodePath; 9732 // Drop the suffix right away 9733 if (subStr.endsWith(suffix)) { 9734 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9735 } 9736 // If oldCodePath already contains prefix find out the 9737 // ending index to either increment or decrement. 9738 int sidx = subStr.lastIndexOf(prefix); 9739 if (sidx != -1) { 9740 subStr = subStr.substring(sidx + prefix.length()); 9741 if (subStr != null) { 9742 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9743 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9744 } 9745 try { 9746 idx = Integer.parseInt(subStr); 9747 if (idx <= 1) { 9748 idx++; 9749 } else { 9750 idx--; 9751 } 9752 } catch(NumberFormatException e) { 9753 } 9754 } 9755 } 9756 } 9757 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9758 return prefix + idxStr; 9759 } 9760 9761 // Utility method used to ignore ADD/REMOVE events 9762 // by directory observer. 9763 private static boolean ignoreCodePath(String fullPathStr) { 9764 String apkName = getApkName(fullPathStr); 9765 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9766 if (idx != -1 && ((idx+1) < apkName.length())) { 9767 // Make sure the package ends with a numeral 9768 String version = apkName.substring(idx+1); 9769 try { 9770 Integer.parseInt(version); 9771 return true; 9772 } catch (NumberFormatException e) {} 9773 } 9774 return false; 9775 } 9776 9777 // Utility method that returns the relative package path with respect 9778 // to the installation directory. Like say for /data/data/com.test-1.apk 9779 // string com.test-1 is returned. 9780 static String getApkName(String codePath) { 9781 if (codePath == null) { 9782 return null; 9783 } 9784 int sidx = codePath.lastIndexOf("/"); 9785 int eidx = codePath.lastIndexOf("."); 9786 if (eidx == -1) { 9787 eidx = codePath.length(); 9788 } else if (eidx == 0) { 9789 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9790 return null; 9791 } 9792 return codePath.substring(sidx+1, eidx); 9793 } 9794 9795 private static String[] deriveSplitResPaths(String[] splitCodePaths) { 9796 String[] splitResPaths = null; 9797 if (!ArrayUtils.isEmpty(splitCodePaths)) { 9798 splitResPaths = new String[splitCodePaths.length]; 9799 for (int i = 0; i < splitCodePaths.length; i++) { 9800 final String splitCodePath = splitCodePaths[i]; 9801 final String resName = getApkName(splitCodePath) + ".zip"; 9802 splitResPaths[i] = new File(new File(splitCodePath).getParentFile(), 9803 resName).getAbsolutePath(); 9804 } 9805 } 9806 return splitResPaths; 9807 } 9808 9809 class PackageInstalledInfo { 9810 String name; 9811 int uid; 9812 // The set of users that originally had this package installed. 9813 int[] origUsers; 9814 // The set of users that now have this package installed. 9815 int[] newUsers; 9816 PackageParser.Package pkg; 9817 int returnCode; 9818 PackageRemovedInfo removedInfo; 9819 9820 // In some error cases we want to convey more info back to the observer 9821 String origPackage; 9822 String origPermission; 9823 } 9824 9825 /* 9826 * Install a non-existing package. 9827 */ 9828 private void installNewPackageLI(PackageParser.Package pkg, 9829 int parseFlags, int scanMode, UserHandle user, 9830 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9831 // Remember this for later, in case we need to rollback this install 9832 String pkgName = pkg.packageName; 9833 9834 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9835 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9836 synchronized(mPackages) { 9837 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9838 // A package with the same name is already installed, though 9839 // it has been renamed to an older name. The package we 9840 // are trying to install should be installed as an update to 9841 // the existing one, but that has not been requested, so bail. 9842 Slog.w(TAG, "Attempt to re-install " + pkgName 9843 + " without first uninstalling package running as " 9844 + mSettings.mRenamedPackages.get(pkgName)); 9845 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9846 return; 9847 } 9848 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 9849 // Don't allow installation over an existing package with the same name. 9850 Slog.w(TAG, "Attempt to re-install " + pkgName 9851 + " without first uninstalling."); 9852 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9853 return; 9854 } 9855 } 9856 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9857 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9858 System.currentTimeMillis(), user, abiOverride); 9859 if (newPackage == null) { 9860 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9861 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9862 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9863 } 9864 } else { 9865 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9866 // delete the partially installed application. the data directory will have to be 9867 // restored if it was already existing 9868 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9869 // remove package from internal structures. Note that we want deletePackageX to 9870 // delete the package data and cache directories that it created in 9871 // scanPackageLocked, unless those directories existed before we even tried to 9872 // install. 9873 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9874 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9875 res.removedInfo, true); 9876 } 9877 } 9878 } 9879 9880 private void replacePackageLI(PackageParser.Package pkg, 9881 int parseFlags, int scanMode, UserHandle user, 9882 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9883 9884 PackageParser.Package oldPackage; 9885 String pkgName = pkg.packageName; 9886 int[] allUsers; 9887 boolean[] perUserInstalled; 9888 9889 // First find the old package info and check signatures 9890 synchronized(mPackages) { 9891 oldPackage = mPackages.get(pkgName); 9892 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9893 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9894 != PackageManager.SIGNATURE_MATCH) { 9895 Slog.w(TAG, "New package has a different signature: " + pkgName); 9896 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9897 return; 9898 } 9899 9900 // In case of rollback, remember per-user/profile install state 9901 PackageSetting ps = mSettings.mPackages.get(pkgName); 9902 allUsers = sUserManager.getUserIds(); 9903 perUserInstalled = new boolean[allUsers.length]; 9904 for (int i = 0; i < allUsers.length; i++) { 9905 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9906 } 9907 } 9908 boolean sysPkg = (isSystemApp(oldPackage)); 9909 if (sysPkg) { 9910 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9911 user, allUsers, perUserInstalled, installerPackageName, res, 9912 abiOverride); 9913 } else { 9914 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9915 user, allUsers, perUserInstalled, installerPackageName, res, 9916 abiOverride); 9917 } 9918 } 9919 9920 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9921 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9922 int[] allUsers, boolean[] perUserInstalled, 9923 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9924 PackageParser.Package newPackage = null; 9925 String pkgName = deletedPackage.packageName; 9926 boolean deletedPkg = true; 9927 boolean updatedSettings = false; 9928 9929 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9930 + deletedPackage); 9931 long origUpdateTime; 9932 if (pkg.mExtras != null) { 9933 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9934 } else { 9935 origUpdateTime = 0; 9936 } 9937 9938 // First delete the existing package while retaining the data directory 9939 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9940 res.removedInfo, true)) { 9941 // If the existing package wasn't successfully deleted 9942 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9943 deletedPkg = false; 9944 } else { 9945 // Successfully deleted the old package. Now proceed with re-installation 9946 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9947 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9948 System.currentTimeMillis(), user, abiOverride); 9949 if (newPackage == null) { 9950 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9951 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9952 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9953 } 9954 } else { 9955 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9956 updatedSettings = true; 9957 } 9958 } 9959 9960 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9961 // remove package from internal structures. Note that we want deletePackageX to 9962 // delete the package data and cache directories that it created in 9963 // scanPackageLocked, unless those directories existed before we even tried to 9964 // install. 9965 if(updatedSettings) { 9966 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9967 deletePackageLI( 9968 pkgName, null, true, allUsers, perUserInstalled, 9969 PackageManager.DELETE_KEEP_DATA, 9970 res.removedInfo, true); 9971 } 9972 // Since we failed to install the new package we need to restore the old 9973 // package that we deleted. 9974 if (deletedPkg) { 9975 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9976 File restoreFile = new File(deletedPackage.codePath); 9977 // Parse old package 9978 boolean oldOnSd = isExternal(deletedPackage); 9979 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9980 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9981 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9982 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9983 | SCAN_UPDATE_TIME; 9984 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9985 origUpdateTime, null, null) == null) { 9986 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9987 return; 9988 } 9989 // Restore of old package succeeded. Update permissions. 9990 // writer 9991 synchronized (mPackages) { 9992 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9993 UPDATE_PERMISSIONS_ALL); 9994 // can downgrade to reader 9995 mSettings.writeLPr(); 9996 } 9997 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9998 } 9999 } 10000 } 10001 10002 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10003 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10004 int[] allUsers, boolean[] perUserInstalled, 10005 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10006 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10007 + ", old=" + deletedPackage); 10008 PackageParser.Package newPackage = null; 10009 boolean updatedSettings = false; 10010 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 10011 PackageParser.PARSE_IS_SYSTEM; 10012 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10013 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10014 } 10015 String packageName = deletedPackage.packageName; 10016 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10017 if (packageName == null) { 10018 Slog.w(TAG, "Attempt to delete null packageName."); 10019 return; 10020 } 10021 PackageParser.Package oldPkg; 10022 PackageSetting oldPkgSetting; 10023 // reader 10024 synchronized (mPackages) { 10025 oldPkg = mPackages.get(packageName); 10026 oldPkgSetting = mSettings.mPackages.get(packageName); 10027 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10028 (oldPkgSetting == null)) { 10029 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 10030 return; 10031 } 10032 } 10033 10034 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10035 10036 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10037 res.removedInfo.removedPackage = packageName; 10038 // Remove existing system package 10039 removePackageLI(oldPkgSetting, true); 10040 // writer 10041 synchronized (mPackages) { 10042 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10043 // We didn't need to disable the .apk as a current system package, 10044 // which means we are replacing another update that is already 10045 // installed. We need to make sure to delete the older one's .apk. 10046 res.removedInfo.args = createInstallArgs(0, 10047 deletedPackage.applicationInfo.sourceDir, 10048 deletedPackage.applicationInfo.publicSourceDir, 10049 deletedPackage.applicationInfo.nativeLibraryDir, 10050 getAppInstructionSet(deletedPackage.applicationInfo)); 10051 } else { 10052 res.removedInfo.args = null; 10053 } 10054 } 10055 10056 // Successfully disabled the old package. Now proceed with re-installation 10057 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10058 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10059 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10060 if (newPackage == null) { 10061 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10062 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10063 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10064 } 10065 } else { 10066 if (newPackage.mExtras != null) { 10067 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10068 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10069 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10070 10071 // is the update attempting to change shared user? that isn't going to work... 10072 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10073 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10074 + " to " + newPkgSetting.sharedUser); 10075 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10076 updatedSettings = true; 10077 } 10078 } 10079 10080 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10081 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10082 updatedSettings = true; 10083 } 10084 } 10085 10086 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10087 // Re installation failed. Restore old information 10088 // Remove new pkg information 10089 if (newPackage != null) { 10090 removeInstalledPackageLI(newPackage, true); 10091 } 10092 // Add back the old system package 10093 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10094 // Restore the old system information in Settings 10095 synchronized(mPackages) { 10096 if (updatedSettings) { 10097 mSettings.enableSystemPackageLPw(packageName); 10098 mSettings.setInstallerPackageName(packageName, 10099 oldPkgSetting.installerPackageName); 10100 } 10101 mSettings.writeLPr(); 10102 } 10103 } 10104 } 10105 10106 // Utility method used to move dex files during install. 10107 private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) { 10108 // TODO: extend to move split APK dex files 10109 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10110 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 10111 int retCode = mInstaller.movedex(oldCodePath, newPackage.codePath, 10112 instructionSet); 10113 if (retCode != 0) { 10114 /* 10115 * Programs may be lazily run through dexopt, so the 10116 * source may not exist. However, something seems to 10117 * have gone wrong, so note that dexopt needs to be 10118 * run again and remove the source file. In addition, 10119 * remove the target to make sure there isn't a stale 10120 * file from a previous version of the package. 10121 */ 10122 newPackage.mDexOptNeeded = true; 10123 mInstaller.rmdex(oldCodePath, instructionSet); 10124 mInstaller.rmdex(newPackage.codePath, instructionSet); 10125 } 10126 } 10127 return PackageManager.INSTALL_SUCCEEDED; 10128 } 10129 10130 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10131 int[] allUsers, boolean[] perUserInstalled, 10132 PackageInstalledInfo res) { 10133 String pkgName = newPackage.packageName; 10134 synchronized (mPackages) { 10135 //write settings. the installStatus will be incomplete at this stage. 10136 //note that the new package setting would have already been 10137 //added to mPackages. It hasn't been persisted yet. 10138 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10139 mSettings.writeLPr(); 10140 } 10141 10142 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10143 10144 synchronized (mPackages) { 10145 updatePermissionsLPw(newPackage.packageName, newPackage, 10146 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10147 ? UPDATE_PERMISSIONS_ALL : 0)); 10148 // For system-bundled packages, we assume that installing an upgraded version 10149 // of the package implies that the user actually wants to run that new code, 10150 // so we enable the package. 10151 if (isSystemApp(newPackage)) { 10152 // NB: implicit assumption that system package upgrades apply to all users 10153 if (DEBUG_INSTALL) { 10154 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10155 } 10156 PackageSetting ps = mSettings.mPackages.get(pkgName); 10157 if (ps != null) { 10158 if (res.origUsers != null) { 10159 for (int userHandle : res.origUsers) { 10160 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10161 userHandle, installerPackageName); 10162 } 10163 } 10164 // Also convey the prior install/uninstall state 10165 if (allUsers != null && perUserInstalled != null) { 10166 for (int i = 0; i < allUsers.length; i++) { 10167 if (DEBUG_INSTALL) { 10168 Slog.d(TAG, " user " + allUsers[i] 10169 + " => " + perUserInstalled[i]); 10170 } 10171 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10172 } 10173 // these install state changes will be persisted in the 10174 // upcoming call to mSettings.writeLPr(). 10175 } 10176 } 10177 } 10178 res.name = pkgName; 10179 res.uid = newPackage.applicationInfo.uid; 10180 res.pkg = newPackage; 10181 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10182 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10183 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10184 //to update install status 10185 mSettings.writeLPr(); 10186 } 10187 } 10188 10189 private void installPackageLI(InstallArgs args, 10190 boolean newInstall, PackageInstalledInfo res) { 10191 int pFlags = args.flags; 10192 String installerPackageName = args.installerPackageName; 10193 File tmpPackageFile = new File(args.getCodePath()); 10194 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10195 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10196 boolean replace = false; 10197 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10198 | (newInstall ? SCAN_NEW_INSTALL : 0); 10199 // Result object to be returned 10200 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10201 10202 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10203 // Retrieve PackageSettings and parse package 10204 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10205 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10206 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10207 PackageParser pp = new PackageParser(); 10208 pp.setSeparateProcesses(mSeparateProcesses); 10209 pp.setDisplayMetrics(mMetrics); 10210 10211 final PackageParser.Package pkg; 10212 try { 10213 pkg = pp.parseMonolithicPackage(tmpPackageFile, parseFlags); 10214 } catch (PackageParserException e) { 10215 res.returnCode = e.error; 10216 return; 10217 } 10218 10219 String pkgName = res.name = pkg.packageName; 10220 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10221 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10222 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10223 return; 10224 } 10225 } 10226 10227 try { 10228 pp.collectCertificates(pkg, parseFlags); 10229 pp.collectManifestDigest(pkg); 10230 } catch (PackageParserException e) { 10231 res.returnCode = e.error; 10232 return; 10233 } 10234 10235 /* If the installer passed in a manifest digest, compare it now. */ 10236 if (args.manifestDigest != null) { 10237 if (DEBUG_INSTALL) { 10238 final String parsedManifest = pkg.manifestDigest == null ? "null" 10239 : pkg.manifestDigest.toString(); 10240 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10241 + parsedManifest); 10242 } 10243 10244 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10245 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10246 return; 10247 } 10248 } else if (DEBUG_INSTALL) { 10249 final String parsedManifest = pkg.manifestDigest == null 10250 ? "null" : pkg.manifestDigest.toString(); 10251 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10252 } 10253 10254 // Get rid of all references to package scan path via parser. 10255 pp = null; 10256 String oldCodePath = null; 10257 boolean systemApp = false; 10258 synchronized (mPackages) { 10259 // Check whether the newly-scanned package wants to define an already-defined perm 10260 int N = pkg.permissions.size(); 10261 for (int i = N-1; i >= 0; i--) { 10262 PackageParser.Permission perm = pkg.permissions.get(i); 10263 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10264 if (bp != null) { 10265 // If the defining package is signed with our cert, it's okay. This 10266 // also includes the "updating the same package" case, of course. 10267 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10268 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10269 // If the owning package is the system itself, we log but allow 10270 // install to proceed; we fail the install on all other permission 10271 // redefinitions. 10272 if (!bp.sourcePackage.equals("android")) { 10273 Slog.w(TAG, "Package " + pkg.packageName 10274 + " attempting to redeclare permission " + perm.info.name 10275 + " already owned by " + bp.sourcePackage); 10276 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10277 res.origPermission = perm.info.name; 10278 res.origPackage = bp.sourcePackage; 10279 return; 10280 } else { 10281 Slog.w(TAG, "Package " + pkg.packageName 10282 + " attempting to redeclare system permission " 10283 + perm.info.name + "; ignoring new declaration"); 10284 pkg.permissions.remove(i); 10285 } 10286 } 10287 } 10288 } 10289 10290 // Check if installing already existing package 10291 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10292 String oldName = mSettings.mRenamedPackages.get(pkgName); 10293 if (pkg.mOriginalPackages != null 10294 && pkg.mOriginalPackages.contains(oldName) 10295 && mPackages.containsKey(oldName)) { 10296 // This package is derived from an original package, 10297 // and this device has been updating from that original 10298 // name. We must continue using the original name, so 10299 // rename the new package here. 10300 pkg.setPackageName(oldName); 10301 pkgName = pkg.packageName; 10302 replace = true; 10303 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10304 + oldName + " pkgName=" + pkgName); 10305 } else if (mPackages.containsKey(pkgName)) { 10306 // This package, under its official name, already exists 10307 // on the device; we should replace it. 10308 replace = true; 10309 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10310 } 10311 } 10312 PackageSetting ps = mSettings.mPackages.get(pkgName); 10313 if (ps != null) { 10314 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10315 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10316 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10317 systemApp = (ps.pkg.applicationInfo.flags & 10318 ApplicationInfo.FLAG_SYSTEM) != 0; 10319 } 10320 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10321 } 10322 } 10323 10324 if (systemApp && onSd) { 10325 // Disable updates to system apps on sdcard 10326 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10327 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10328 return; 10329 } 10330 10331 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10332 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10333 return; 10334 } 10335 // Set application objects path explicitly after the rename 10336 pkg.codePath = args.getCodePath(); 10337 pkg.applicationInfo.sourceDir = args.getCodePath(); 10338 pkg.applicationInfo.publicSourceDir = args.getResourcePath(); 10339 pkg.applicationInfo.splitSourceDirs = args.getSplitCodePaths(); 10340 pkg.applicationInfo.splitPublicSourceDirs = deriveSplitResPaths( 10341 pkg.applicationInfo.splitSourceDirs); 10342 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10343 if (replace) { 10344 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10345 installerPackageName, res, args.abiOverride); 10346 } else { 10347 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10348 installerPackageName, res, args.abiOverride); 10349 } 10350 synchronized (mPackages) { 10351 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10352 if (ps != null) { 10353 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10354 } 10355 } 10356 } 10357 10358 private static boolean isForwardLocked(PackageParser.Package pkg) { 10359 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10360 } 10361 10362 10363 private boolean isForwardLocked(PackageSetting ps) { 10364 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10365 } 10366 10367 private static boolean isExternal(PackageParser.Package pkg) { 10368 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10369 } 10370 10371 private static boolean isExternal(PackageSetting ps) { 10372 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10373 } 10374 10375 private static boolean isSystemApp(PackageParser.Package pkg) { 10376 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10377 } 10378 10379 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10380 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10381 } 10382 10383 private static boolean isSystemApp(ApplicationInfo info) { 10384 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10385 } 10386 10387 private static boolean isSystemApp(PackageSetting ps) { 10388 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10389 } 10390 10391 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10392 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10393 } 10394 10395 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10396 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10397 } 10398 10399 private int packageFlagsToInstallFlags(PackageSetting ps) { 10400 int installFlags = 0; 10401 if (isExternal(ps)) { 10402 installFlags |= PackageManager.INSTALL_EXTERNAL; 10403 } 10404 if (isForwardLocked(ps)) { 10405 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10406 } 10407 return installFlags; 10408 } 10409 10410 private void deleteTempPackageFiles() { 10411 final FilenameFilter filter = new FilenameFilter() { 10412 public boolean accept(File dir, String name) { 10413 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10414 } 10415 }; 10416 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10417 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10418 } 10419 10420 private static final void deleteTempPackageFilesInDirectory(File directory, 10421 FilenameFilter filter) { 10422 final String[] tmpFilesList = directory.list(filter); 10423 if (tmpFilesList == null) { 10424 return; 10425 } 10426 for (int i = 0; i < tmpFilesList.length; i++) { 10427 final File tmpFile = new File(directory, tmpFilesList[i]); 10428 tmpFile.delete(); 10429 } 10430 } 10431 10432 private File createTempPackageFile(File installDir) { 10433 File tmpPackageFile; 10434 try { 10435 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10436 } catch (IOException e) { 10437 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10438 return null; 10439 } 10440 try { 10441 FileUtils.setPermissions( 10442 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10443 -1, -1); 10444 if (!SELinux.restorecon(tmpPackageFile)) { 10445 return null; 10446 } 10447 } catch (IOException e) { 10448 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10449 return null; 10450 } 10451 return tmpPackageFile; 10452 } 10453 10454 @Override 10455 public void deletePackageAsUser(final String packageName, 10456 final IPackageDeleteObserver observer, 10457 final int userId, final int flags) { 10458 mContext.enforceCallingOrSelfPermission( 10459 android.Manifest.permission.DELETE_PACKAGES, null); 10460 final int uid = Binder.getCallingUid(); 10461 if (UserHandle.getUserId(uid) != userId) { 10462 mContext.enforceCallingPermission( 10463 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10464 "deletePackage for user " + userId); 10465 } 10466 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10467 try { 10468 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10469 } catch (RemoteException re) { 10470 } 10471 return; 10472 } 10473 10474 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10475 // Queue up an async operation since the package deletion may take a little while. 10476 mHandler.post(new Runnable() { 10477 public void run() { 10478 mHandler.removeCallbacks(this); 10479 final int returnCode = deletePackageX(packageName, userId, flags); 10480 if (observer != null) { 10481 try { 10482 observer.packageDeleted(packageName, returnCode); 10483 } catch (RemoteException e) { 10484 Log.i(TAG, "Observer no longer exists."); 10485 } //end catch 10486 } //end if 10487 } //end run 10488 }); 10489 } 10490 10491 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10492 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10493 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10494 try { 10495 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10496 || dpm.isDeviceOwner(packageName))) { 10497 return true; 10498 } 10499 } catch (RemoteException e) { 10500 } 10501 return false; 10502 } 10503 10504 /** 10505 * This method is an internal method that could be get invoked either 10506 * to delete an installed package or to clean up a failed installation. 10507 * After deleting an installed package, a broadcast is sent to notify any 10508 * listeners that the package has been installed. For cleaning up a failed 10509 * installation, the broadcast is not necessary since the package's 10510 * installation wouldn't have sent the initial broadcast either 10511 * The key steps in deleting a package are 10512 * deleting the package information in internal structures like mPackages, 10513 * deleting the packages base directories through installd 10514 * updating mSettings to reflect current status 10515 * persisting settings for later use 10516 * sending a broadcast if necessary 10517 */ 10518 private int deletePackageX(String packageName, int userId, int flags) { 10519 final PackageRemovedInfo info = new PackageRemovedInfo(); 10520 final boolean res; 10521 10522 if (isPackageDeviceAdmin(packageName, userId)) { 10523 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10524 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10525 } 10526 10527 boolean removedForAllUsers = false; 10528 boolean systemUpdate = false; 10529 10530 // for the uninstall-updates case and restricted profiles, remember the per- 10531 // userhandle installed state 10532 int[] allUsers; 10533 boolean[] perUserInstalled; 10534 synchronized (mPackages) { 10535 PackageSetting ps = mSettings.mPackages.get(packageName); 10536 allUsers = sUserManager.getUserIds(); 10537 perUserInstalled = new boolean[allUsers.length]; 10538 for (int i = 0; i < allUsers.length; i++) { 10539 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10540 } 10541 } 10542 10543 synchronized (mInstallLock) { 10544 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10545 res = deletePackageLI(packageName, 10546 (flags & PackageManager.DELETE_ALL_USERS) != 0 10547 ? UserHandle.ALL : new UserHandle(userId), 10548 true, allUsers, perUserInstalled, 10549 flags | REMOVE_CHATTY, info, true); 10550 systemUpdate = info.isRemovedPackageSystemUpdate; 10551 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10552 removedForAllUsers = true; 10553 } 10554 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10555 + " removedForAllUsers=" + removedForAllUsers); 10556 } 10557 10558 if (res) { 10559 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10560 10561 // If the removed package was a system update, the old system package 10562 // was re-enabled; we need to broadcast this information 10563 if (systemUpdate) { 10564 Bundle extras = new Bundle(1); 10565 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10566 ? info.removedAppId : info.uid); 10567 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10568 10569 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10570 extras, null, null, null); 10571 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10572 extras, null, null, null); 10573 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10574 null, packageName, null, null); 10575 } 10576 } 10577 // Force a gc here. 10578 Runtime.getRuntime().gc(); 10579 // Delete the resources here after sending the broadcast to let 10580 // other processes clean up before deleting resources. 10581 if (info.args != null) { 10582 synchronized (mInstallLock) { 10583 info.args.doPostDeleteLI(true); 10584 } 10585 } 10586 10587 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10588 } 10589 10590 static class PackageRemovedInfo { 10591 String removedPackage; 10592 int uid = -1; 10593 int removedAppId = -1; 10594 int[] removedUsers = null; 10595 boolean isRemovedPackageSystemUpdate = false; 10596 // Clean up resources deleted packages. 10597 InstallArgs args = null; 10598 10599 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10600 Bundle extras = new Bundle(1); 10601 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10602 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10603 if (replacing) { 10604 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10605 } 10606 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10607 if (removedPackage != null) { 10608 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10609 extras, null, null, removedUsers); 10610 if (fullRemove && !replacing) { 10611 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10612 extras, null, null, removedUsers); 10613 } 10614 } 10615 if (removedAppId >= 0) { 10616 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10617 removedUsers); 10618 } 10619 } 10620 } 10621 10622 /* 10623 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10624 * flag is not set, the data directory is removed as well. 10625 * make sure this flag is set for partially installed apps. If not its meaningless to 10626 * delete a partially installed application. 10627 */ 10628 private void removePackageDataLI(PackageSetting ps, 10629 int[] allUserHandles, boolean[] perUserInstalled, 10630 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10631 String packageName = ps.name; 10632 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10633 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10634 // Retrieve object to delete permissions for shared user later on 10635 final PackageSetting deletedPs; 10636 // reader 10637 synchronized (mPackages) { 10638 deletedPs = mSettings.mPackages.get(packageName); 10639 if (outInfo != null) { 10640 outInfo.removedPackage = packageName; 10641 outInfo.removedUsers = deletedPs != null 10642 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10643 : null; 10644 } 10645 } 10646 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10647 removeDataDirsLI(packageName); 10648 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10649 } 10650 // writer 10651 synchronized (mPackages) { 10652 if (deletedPs != null) { 10653 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10654 if (outInfo != null) { 10655 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10656 } 10657 if (deletedPs != null) { 10658 updatePermissionsLPw(deletedPs.name, null, 0); 10659 if (deletedPs.sharedUser != null) { 10660 // remove permissions associated with package 10661 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10662 } 10663 } 10664 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10665 } 10666 // make sure to preserve per-user disabled state if this removal was just 10667 // a downgrade of a system app to the factory package 10668 if (allUserHandles != null && perUserInstalled != null) { 10669 if (DEBUG_REMOVE) { 10670 Slog.d(TAG, "Propagating install state across downgrade"); 10671 } 10672 for (int i = 0; i < allUserHandles.length; i++) { 10673 if (DEBUG_REMOVE) { 10674 Slog.d(TAG, " user " + allUserHandles[i] 10675 + " => " + perUserInstalled[i]); 10676 } 10677 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10678 } 10679 } 10680 } 10681 // can downgrade to reader 10682 if (writeSettings) { 10683 // Save settings now 10684 mSettings.writeLPr(); 10685 } 10686 } 10687 if (outInfo != null) { 10688 // A user ID was deleted here. Go through all users and remove it 10689 // from KeyStore. 10690 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10691 } 10692 } 10693 10694 static boolean locationIsPrivileged(File path) { 10695 try { 10696 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10697 .getCanonicalPath(); 10698 return path.getCanonicalPath().startsWith(privilegedAppDir); 10699 } catch (IOException e) { 10700 Slog.e(TAG, "Unable to access code path " + path); 10701 } 10702 return false; 10703 } 10704 10705 /* 10706 * Tries to delete system package. 10707 */ 10708 private boolean deleteSystemPackageLI(PackageSetting newPs, 10709 int[] allUserHandles, boolean[] perUserInstalled, 10710 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10711 final boolean applyUserRestrictions 10712 = (allUserHandles != null) && (perUserInstalled != null); 10713 PackageSetting disabledPs = null; 10714 // Confirm if the system package has been updated 10715 // An updated system app can be deleted. This will also have to restore 10716 // the system pkg from system partition 10717 // reader 10718 synchronized (mPackages) { 10719 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10720 } 10721 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10722 + " disabledPs=" + disabledPs); 10723 if (disabledPs == null) { 10724 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10725 return false; 10726 } else if (DEBUG_REMOVE) { 10727 Slog.d(TAG, "Deleting system pkg from data partition"); 10728 } 10729 if (DEBUG_REMOVE) { 10730 if (applyUserRestrictions) { 10731 Slog.d(TAG, "Remembering install states:"); 10732 for (int i = 0; i < allUserHandles.length; i++) { 10733 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10734 } 10735 } 10736 } 10737 // Delete the updated package 10738 outInfo.isRemovedPackageSystemUpdate = true; 10739 if (disabledPs.versionCode < newPs.versionCode) { 10740 // Delete data for downgrades 10741 flags &= ~PackageManager.DELETE_KEEP_DATA; 10742 } else { 10743 // Preserve data by setting flag 10744 flags |= PackageManager.DELETE_KEEP_DATA; 10745 } 10746 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10747 allUserHandles, perUserInstalled, outInfo, writeSettings); 10748 if (!ret) { 10749 return false; 10750 } 10751 // writer 10752 synchronized (mPackages) { 10753 // Reinstate the old system package 10754 mSettings.enableSystemPackageLPw(newPs.name); 10755 // Remove any native libraries from the upgraded package. 10756 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10757 } 10758 // Install the system package 10759 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10760 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10761 if (locationIsPrivileged(disabledPs.codePath)) { 10762 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10763 } 10764 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10765 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10766 10767 if (newPkg == null) { 10768 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10769 + " with error:" + mLastScanError); 10770 return false; 10771 } 10772 // writer 10773 synchronized (mPackages) { 10774 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10775 setInternalAppNativeLibraryPath(newPkg, ps); 10776 updatePermissionsLPw(newPkg.packageName, newPkg, 10777 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10778 if (applyUserRestrictions) { 10779 if (DEBUG_REMOVE) { 10780 Slog.d(TAG, "Propagating install state across reinstall"); 10781 } 10782 for (int i = 0; i < allUserHandles.length; i++) { 10783 if (DEBUG_REMOVE) { 10784 Slog.d(TAG, " user " + allUserHandles[i] 10785 + " => " + perUserInstalled[i]); 10786 } 10787 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10788 } 10789 // Regardless of writeSettings we need to ensure that this restriction 10790 // state propagation is persisted 10791 mSettings.writeAllUsersPackageRestrictionsLPr(); 10792 } 10793 // can downgrade to reader here 10794 if (writeSettings) { 10795 mSettings.writeLPr(); 10796 } 10797 } 10798 return true; 10799 } 10800 10801 private boolean deleteInstalledPackageLI(PackageSetting ps, 10802 boolean deleteCodeAndResources, int flags, 10803 int[] allUserHandles, boolean[] perUserInstalled, 10804 PackageRemovedInfo outInfo, boolean writeSettings) { 10805 if (outInfo != null) { 10806 outInfo.uid = ps.appId; 10807 } 10808 10809 // Delete package data from internal structures and also remove data if flag is set 10810 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10811 10812 // Delete application code and resources 10813 if (deleteCodeAndResources && (outInfo != null)) { 10814 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10815 ps.resourcePathString, ps.nativeLibraryPathString, 10816 getAppInstructionSetFromSettings(ps)); 10817 } 10818 return true; 10819 } 10820 10821 /* 10822 * This method handles package deletion in general 10823 */ 10824 private boolean deletePackageLI(String packageName, UserHandle user, 10825 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10826 int flags, PackageRemovedInfo outInfo, 10827 boolean writeSettings) { 10828 if (packageName == null) { 10829 Slog.w(TAG, "Attempt to delete null packageName."); 10830 return false; 10831 } 10832 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10833 PackageSetting ps; 10834 boolean dataOnly = false; 10835 int removeUser = -1; 10836 int appId = -1; 10837 synchronized (mPackages) { 10838 ps = mSettings.mPackages.get(packageName); 10839 if (ps == null) { 10840 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10841 return false; 10842 } 10843 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10844 && user.getIdentifier() != UserHandle.USER_ALL) { 10845 // The caller is asking that the package only be deleted for a single 10846 // user. To do this, we just mark its uninstalled state and delete 10847 // its data. If this is a system app, we only allow this to happen if 10848 // they have set the special DELETE_SYSTEM_APP which requests different 10849 // semantics than normal for uninstalling system apps. 10850 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10851 ps.setUserState(user.getIdentifier(), 10852 COMPONENT_ENABLED_STATE_DEFAULT, 10853 false, //installed 10854 true, //stopped 10855 true, //notLaunched 10856 false, //blocked 10857 null, null, null); 10858 if (!isSystemApp(ps)) { 10859 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10860 // Other user still have this package installed, so all 10861 // we need to do is clear this user's data and save that 10862 // it is uninstalled. 10863 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10864 removeUser = user.getIdentifier(); 10865 appId = ps.appId; 10866 mSettings.writePackageRestrictionsLPr(removeUser); 10867 } else { 10868 // We need to set it back to 'installed' so the uninstall 10869 // broadcasts will be sent correctly. 10870 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10871 ps.setInstalled(true, user.getIdentifier()); 10872 } 10873 } else { 10874 // This is a system app, so we assume that the 10875 // other users still have this package installed, so all 10876 // we need to do is clear this user's data and save that 10877 // it is uninstalled. 10878 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10879 removeUser = user.getIdentifier(); 10880 appId = ps.appId; 10881 mSettings.writePackageRestrictionsLPr(removeUser); 10882 } 10883 } 10884 } 10885 10886 if (removeUser >= 0) { 10887 // From above, we determined that we are deleting this only 10888 // for a single user. Continue the work here. 10889 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10890 if (outInfo != null) { 10891 outInfo.removedPackage = packageName; 10892 outInfo.removedAppId = appId; 10893 outInfo.removedUsers = new int[] {removeUser}; 10894 } 10895 mInstaller.clearUserData(packageName, removeUser); 10896 removeKeystoreDataIfNeeded(removeUser, appId); 10897 schedulePackageCleaning(packageName, removeUser, false); 10898 return true; 10899 } 10900 10901 if (dataOnly) { 10902 // Delete application data first 10903 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10904 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10905 return true; 10906 } 10907 10908 boolean ret = false; 10909 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10910 if (isSystemApp(ps)) { 10911 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10912 // When an updated system application is deleted we delete the existing resources as well and 10913 // fall back to existing code in system partition 10914 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10915 flags, outInfo, writeSettings); 10916 } else { 10917 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10918 // Kill application pre-emptively especially for apps on sd. 10919 killApplication(packageName, ps.appId, "uninstall pkg"); 10920 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10921 allUserHandles, perUserInstalled, 10922 outInfo, writeSettings); 10923 } 10924 10925 return ret; 10926 } 10927 10928 private final class ClearStorageConnection implements ServiceConnection { 10929 IMediaContainerService mContainerService; 10930 10931 @Override 10932 public void onServiceConnected(ComponentName name, IBinder service) { 10933 synchronized (this) { 10934 mContainerService = IMediaContainerService.Stub.asInterface(service); 10935 notifyAll(); 10936 } 10937 } 10938 10939 @Override 10940 public void onServiceDisconnected(ComponentName name) { 10941 } 10942 } 10943 10944 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10945 final boolean mounted; 10946 if (Environment.isExternalStorageEmulated()) { 10947 mounted = true; 10948 } else { 10949 final String status = Environment.getExternalStorageState(); 10950 10951 mounted = status.equals(Environment.MEDIA_MOUNTED) 10952 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10953 } 10954 10955 if (!mounted) { 10956 return; 10957 } 10958 10959 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10960 int[] users; 10961 if (userId == UserHandle.USER_ALL) { 10962 users = sUserManager.getUserIds(); 10963 } else { 10964 users = new int[] { userId }; 10965 } 10966 final ClearStorageConnection conn = new ClearStorageConnection(); 10967 if (mContext.bindServiceAsUser( 10968 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10969 try { 10970 for (int curUser : users) { 10971 long timeout = SystemClock.uptimeMillis() + 5000; 10972 synchronized (conn) { 10973 long now = SystemClock.uptimeMillis(); 10974 while (conn.mContainerService == null && now < timeout) { 10975 try { 10976 conn.wait(timeout - now); 10977 } catch (InterruptedException e) { 10978 } 10979 } 10980 } 10981 if (conn.mContainerService == null) { 10982 return; 10983 } 10984 10985 final UserEnvironment userEnv = new UserEnvironment(curUser); 10986 clearDirectory(conn.mContainerService, 10987 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10988 if (allData) { 10989 clearDirectory(conn.mContainerService, 10990 userEnv.buildExternalStorageAppDataDirs(packageName)); 10991 clearDirectory(conn.mContainerService, 10992 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10993 } 10994 } 10995 } finally { 10996 mContext.unbindService(conn); 10997 } 10998 } 10999 } 11000 11001 @Override 11002 public void clearApplicationUserData(final String packageName, 11003 final IPackageDataObserver observer, final int userId) { 11004 mContext.enforceCallingOrSelfPermission( 11005 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11006 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 11007 // Queue up an async operation since the package deletion may take a little while. 11008 mHandler.post(new Runnable() { 11009 public void run() { 11010 mHandler.removeCallbacks(this); 11011 final boolean succeeded; 11012 synchronized (mInstallLock) { 11013 succeeded = clearApplicationUserDataLI(packageName, userId); 11014 } 11015 clearExternalStorageDataSync(packageName, userId, true); 11016 if (succeeded) { 11017 // invoke DeviceStorageMonitor's update method to clear any notifications 11018 DeviceStorageMonitorInternal 11019 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11020 if (dsm != null) { 11021 dsm.checkMemory(); 11022 } 11023 } 11024 if(observer != null) { 11025 try { 11026 observer.onRemoveCompleted(packageName, succeeded); 11027 } catch (RemoteException e) { 11028 Log.i(TAG, "Observer no longer exists."); 11029 } 11030 } //end if observer 11031 } //end run 11032 }); 11033 } 11034 11035 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11036 if (packageName == null) { 11037 Slog.w(TAG, "Attempt to delete null packageName."); 11038 return false; 11039 } 11040 PackageParser.Package p; 11041 boolean dataOnly = false; 11042 final int appId; 11043 synchronized (mPackages) { 11044 p = mPackages.get(packageName); 11045 if (p == null) { 11046 dataOnly = true; 11047 PackageSetting ps = mSettings.mPackages.get(packageName); 11048 if ((ps == null) || (ps.pkg == null)) { 11049 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11050 return false; 11051 } 11052 p = ps.pkg; 11053 } 11054 if (!dataOnly) { 11055 // need to check this only for fully installed applications 11056 if (p == null) { 11057 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11058 return false; 11059 } 11060 final ApplicationInfo applicationInfo = p.applicationInfo; 11061 if (applicationInfo == null) { 11062 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11063 return false; 11064 } 11065 } 11066 if (p != null && p.applicationInfo != null) { 11067 appId = p.applicationInfo.uid; 11068 } else { 11069 appId = -1; 11070 } 11071 } 11072 int retCode = mInstaller.clearUserData(packageName, userId); 11073 if (retCode < 0) { 11074 Slog.w(TAG, "Couldn't remove cache files for package: " 11075 + packageName); 11076 return false; 11077 } 11078 removeKeystoreDataIfNeeded(userId, appId); 11079 return true; 11080 } 11081 11082 /** 11083 * Remove entries from the keystore daemon. Will only remove it if the 11084 * {@code appId} is valid. 11085 */ 11086 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11087 if (appId < 0) { 11088 return; 11089 } 11090 11091 final KeyStore keyStore = KeyStore.getInstance(); 11092 if (keyStore != null) { 11093 if (userId == UserHandle.USER_ALL) { 11094 for (final int individual : sUserManager.getUserIds()) { 11095 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11096 } 11097 } else { 11098 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11099 } 11100 } else { 11101 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11102 } 11103 } 11104 11105 @Override 11106 public void deleteApplicationCacheFiles(final String packageName, 11107 final IPackageDataObserver observer) { 11108 mContext.enforceCallingOrSelfPermission( 11109 android.Manifest.permission.DELETE_CACHE_FILES, null); 11110 // Queue up an async operation since the package deletion may take a little while. 11111 final int userId = UserHandle.getCallingUserId(); 11112 mHandler.post(new Runnable() { 11113 public void run() { 11114 mHandler.removeCallbacks(this); 11115 final boolean succeded; 11116 synchronized (mInstallLock) { 11117 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11118 } 11119 clearExternalStorageDataSync(packageName, userId, false); 11120 if(observer != null) { 11121 try { 11122 observer.onRemoveCompleted(packageName, succeded); 11123 } catch (RemoteException e) { 11124 Log.i(TAG, "Observer no longer exists."); 11125 } 11126 } //end if observer 11127 } //end run 11128 }); 11129 } 11130 11131 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11132 if (packageName == null) { 11133 Slog.w(TAG, "Attempt to delete null packageName."); 11134 return false; 11135 } 11136 PackageParser.Package p; 11137 synchronized (mPackages) { 11138 p = mPackages.get(packageName); 11139 } 11140 if (p == null) { 11141 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11142 return false; 11143 } 11144 final ApplicationInfo applicationInfo = p.applicationInfo; 11145 if (applicationInfo == null) { 11146 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11147 return false; 11148 } 11149 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11150 if (retCode < 0) { 11151 Slog.w(TAG, "Couldn't remove cache files for package: " 11152 + packageName + " u" + userId); 11153 return false; 11154 } 11155 return true; 11156 } 11157 11158 @Override 11159 public void getPackageSizeInfo(final String packageName, int userHandle, 11160 final IPackageStatsObserver observer) { 11161 mContext.enforceCallingOrSelfPermission( 11162 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11163 if (packageName == null) { 11164 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11165 } 11166 11167 PackageStats stats = new PackageStats(packageName, userHandle); 11168 11169 /* 11170 * Queue up an async operation since the package measurement may take a 11171 * little while. 11172 */ 11173 Message msg = mHandler.obtainMessage(INIT_COPY); 11174 msg.obj = new MeasureParams(stats, observer); 11175 mHandler.sendMessage(msg); 11176 } 11177 11178 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11179 PackageStats pStats) { 11180 if (packageName == null) { 11181 Slog.w(TAG, "Attempt to get size of null packageName."); 11182 return false; 11183 } 11184 PackageParser.Package p; 11185 boolean dataOnly = false; 11186 String libDirPath = null; 11187 String asecPath = null; 11188 PackageSetting ps = null; 11189 synchronized (mPackages) { 11190 p = mPackages.get(packageName); 11191 ps = mSettings.mPackages.get(packageName); 11192 if(p == null) { 11193 dataOnly = true; 11194 if((ps == null) || (ps.pkg == null)) { 11195 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11196 return false; 11197 } 11198 p = ps.pkg; 11199 } 11200 if (ps != null) { 11201 libDirPath = ps.nativeLibraryPathString; 11202 } 11203 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11204 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11205 if (secureContainerId != null) { 11206 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11207 } 11208 } 11209 } 11210 String publicSrcDir = null; 11211 if(!dataOnly) { 11212 final ApplicationInfo applicationInfo = p.applicationInfo; 11213 if (applicationInfo == null) { 11214 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11215 return false; 11216 } 11217 if (isForwardLocked(p)) { 11218 publicSrcDir = applicationInfo.publicSourceDir; 11219 } 11220 } 11221 int res = mInstaller.getSizeInfo(packageName, userHandle, p.codePath, libDirPath, 11222 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11223 pStats); 11224 if (res < 0) { 11225 return false; 11226 } 11227 11228 // Fix-up for forward-locked applications in ASEC containers. 11229 if (!isExternal(p)) { 11230 pStats.codeSize += pStats.externalCodeSize; 11231 pStats.externalCodeSize = 0L; 11232 } 11233 11234 return true; 11235 } 11236 11237 11238 @Override 11239 public void addPackageToPreferred(String packageName) { 11240 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11241 } 11242 11243 @Override 11244 public void removePackageFromPreferred(String packageName) { 11245 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11246 } 11247 11248 @Override 11249 public List<PackageInfo> getPreferredPackages(int flags) { 11250 return new ArrayList<PackageInfo>(); 11251 } 11252 11253 private int getUidTargetSdkVersionLockedLPr(int uid) { 11254 Object obj = mSettings.getUserIdLPr(uid); 11255 if (obj instanceof SharedUserSetting) { 11256 final SharedUserSetting sus = (SharedUserSetting) obj; 11257 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11258 final Iterator<PackageSetting> it = sus.packages.iterator(); 11259 while (it.hasNext()) { 11260 final PackageSetting ps = it.next(); 11261 if (ps.pkg != null) { 11262 int v = ps.pkg.applicationInfo.targetSdkVersion; 11263 if (v < vers) vers = v; 11264 } 11265 } 11266 return vers; 11267 } else if (obj instanceof PackageSetting) { 11268 final PackageSetting ps = (PackageSetting) obj; 11269 if (ps.pkg != null) { 11270 return ps.pkg.applicationInfo.targetSdkVersion; 11271 } 11272 } 11273 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11274 } 11275 11276 @Override 11277 public void addPreferredActivity(IntentFilter filter, int match, 11278 ComponentName[] set, ComponentName activity, int userId) { 11279 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11280 } 11281 11282 private void addPreferredActivityInternal(IntentFilter filter, int match, 11283 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11284 // writer 11285 int callingUid = Binder.getCallingUid(); 11286 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11287 if (filter.countActions() == 0) { 11288 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11289 return; 11290 } 11291 synchronized (mPackages) { 11292 if (mContext.checkCallingOrSelfPermission( 11293 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11294 != PackageManager.PERMISSION_GRANTED) { 11295 if (getUidTargetSdkVersionLockedLPr(callingUid) 11296 < Build.VERSION_CODES.FROYO) { 11297 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11298 + callingUid); 11299 return; 11300 } 11301 mContext.enforceCallingOrSelfPermission( 11302 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11303 } 11304 11305 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11306 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11307 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11308 new PreferredActivity(filter, match, set, activity, always)); 11309 mSettings.writePackageRestrictionsLPr(userId); 11310 } 11311 } 11312 11313 @Override 11314 public void replacePreferredActivity(IntentFilter filter, int match, 11315 ComponentName[] set, ComponentName activity) { 11316 if (filter.countActions() != 1) { 11317 throw new IllegalArgumentException( 11318 "replacePreferredActivity expects filter to have only 1 action."); 11319 } 11320 if (filter.countDataAuthorities() != 0 11321 || filter.countDataPaths() != 0 11322 || filter.countDataSchemes() > 1 11323 || filter.countDataTypes() != 0) { 11324 throw new IllegalArgumentException( 11325 "replacePreferredActivity expects filter to have no data authorities, " + 11326 "paths, or types; and at most one scheme."); 11327 } 11328 synchronized (mPackages) { 11329 if (mContext.checkCallingOrSelfPermission( 11330 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11331 != PackageManager.PERMISSION_GRANTED) { 11332 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11333 < Build.VERSION_CODES.FROYO) { 11334 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11335 + Binder.getCallingUid()); 11336 return; 11337 } 11338 mContext.enforceCallingOrSelfPermission( 11339 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11340 } 11341 11342 final int callingUserId = UserHandle.getCallingUserId(); 11343 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11344 if (pir != null) { 11345 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11346 if (filter.countDataSchemes() == 1) { 11347 Uri.Builder builder = new Uri.Builder(); 11348 builder.scheme(filter.getDataScheme(0)); 11349 intent.setData(builder.build()); 11350 } 11351 List<PreferredActivity> matches = pir.queryIntent( 11352 intent, null, true, callingUserId); 11353 if (DEBUG_PREFERRED) { 11354 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11355 } 11356 for (int i = 0; i < matches.size(); i++) { 11357 PreferredActivity pa = matches.get(i); 11358 if (DEBUG_PREFERRED) { 11359 Slog.i(TAG, "Removing preferred activity " 11360 + pa.mPref.mComponent + ":"); 11361 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11362 } 11363 pir.removeFilter(pa); 11364 } 11365 } 11366 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11367 } 11368 } 11369 11370 @Override 11371 public void clearPackagePreferredActivities(String packageName) { 11372 final int uid = Binder.getCallingUid(); 11373 // writer 11374 synchronized (mPackages) { 11375 PackageParser.Package pkg = mPackages.get(packageName); 11376 if (pkg == null || pkg.applicationInfo.uid != uid) { 11377 if (mContext.checkCallingOrSelfPermission( 11378 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11379 != PackageManager.PERMISSION_GRANTED) { 11380 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11381 < Build.VERSION_CODES.FROYO) { 11382 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11383 + Binder.getCallingUid()); 11384 return; 11385 } 11386 mContext.enforceCallingOrSelfPermission( 11387 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11388 } 11389 } 11390 11391 int user = UserHandle.getCallingUserId(); 11392 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11393 mSettings.writePackageRestrictionsLPr(user); 11394 scheduleWriteSettingsLocked(); 11395 } 11396 } 11397 } 11398 11399 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11400 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11401 ArrayList<PreferredActivity> removed = null; 11402 boolean changed = false; 11403 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11404 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11405 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11406 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11407 continue; 11408 } 11409 Iterator<PreferredActivity> it = pir.filterIterator(); 11410 while (it.hasNext()) { 11411 PreferredActivity pa = it.next(); 11412 // Mark entry for removal only if it matches the package name 11413 // and the entry is of type "always". 11414 if (packageName == null || 11415 (pa.mPref.mComponent.getPackageName().equals(packageName) 11416 && pa.mPref.mAlways)) { 11417 if (removed == null) { 11418 removed = new ArrayList<PreferredActivity>(); 11419 } 11420 removed.add(pa); 11421 } 11422 } 11423 if (removed != null) { 11424 for (int j=0; j<removed.size(); j++) { 11425 PreferredActivity pa = removed.get(j); 11426 pir.removeFilter(pa); 11427 } 11428 changed = true; 11429 } 11430 } 11431 return changed; 11432 } 11433 11434 @Override 11435 public void resetPreferredActivities(int userId) { 11436 mContext.enforceCallingOrSelfPermission( 11437 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11438 // writer 11439 synchronized (mPackages) { 11440 int user = UserHandle.getCallingUserId(); 11441 clearPackagePreferredActivitiesLPw(null, user); 11442 mSettings.readDefaultPreferredAppsLPw(this, user); 11443 mSettings.writePackageRestrictionsLPr(user); 11444 scheduleWriteSettingsLocked(); 11445 } 11446 } 11447 11448 @Override 11449 public int getPreferredActivities(List<IntentFilter> outFilters, 11450 List<ComponentName> outActivities, String packageName) { 11451 11452 int num = 0; 11453 final int userId = UserHandle.getCallingUserId(); 11454 // reader 11455 synchronized (mPackages) { 11456 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11457 if (pir != null) { 11458 final Iterator<PreferredActivity> it = pir.filterIterator(); 11459 while (it.hasNext()) { 11460 final PreferredActivity pa = it.next(); 11461 if (packageName == null 11462 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11463 && pa.mPref.mAlways)) { 11464 if (outFilters != null) { 11465 outFilters.add(new IntentFilter(pa)); 11466 } 11467 if (outActivities != null) { 11468 outActivities.add(pa.mPref.mComponent); 11469 } 11470 } 11471 } 11472 } 11473 } 11474 11475 return num; 11476 } 11477 11478 @Override 11479 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11480 int userId) { 11481 int callingUid = Binder.getCallingUid(); 11482 if (callingUid != Process.SYSTEM_UID) { 11483 throw new SecurityException( 11484 "addPersistentPreferredActivity can only be run by the system"); 11485 } 11486 if (filter.countActions() == 0) { 11487 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11488 return; 11489 } 11490 synchronized (mPackages) { 11491 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11492 " :"); 11493 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11494 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11495 new PersistentPreferredActivity(filter, activity)); 11496 mSettings.writePackageRestrictionsLPr(userId); 11497 } 11498 } 11499 11500 @Override 11501 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11502 int callingUid = Binder.getCallingUid(); 11503 if (callingUid != Process.SYSTEM_UID) { 11504 throw new SecurityException( 11505 "clearPackagePersistentPreferredActivities can only be run by the system"); 11506 } 11507 ArrayList<PersistentPreferredActivity> removed = null; 11508 boolean changed = false; 11509 synchronized (mPackages) { 11510 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11511 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11512 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11513 .valueAt(i); 11514 if (userId != thisUserId) { 11515 continue; 11516 } 11517 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11518 while (it.hasNext()) { 11519 PersistentPreferredActivity ppa = it.next(); 11520 // Mark entry for removal only if it matches the package name. 11521 if (ppa.mComponent.getPackageName().equals(packageName)) { 11522 if (removed == null) { 11523 removed = new ArrayList<PersistentPreferredActivity>(); 11524 } 11525 removed.add(ppa); 11526 } 11527 } 11528 if (removed != null) { 11529 for (int j=0; j<removed.size(); j++) { 11530 PersistentPreferredActivity ppa = removed.get(j); 11531 ppir.removeFilter(ppa); 11532 } 11533 changed = true; 11534 } 11535 } 11536 11537 if (changed) { 11538 mSettings.writePackageRestrictionsLPr(userId); 11539 } 11540 } 11541 } 11542 11543 @Override 11544 public void addCrossProfileIntentFilter(IntentFilter filter, boolean removable, 11545 int sourceUserId, int targetUserId) { 11546 mContext.enforceCallingOrSelfPermission( 11547 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11548 if (filter.countActions() == 0) { 11549 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11550 return; 11551 } 11552 synchronized (mPackages) { 11553 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter( 11554 new CrossProfileIntentFilter(filter, removable, targetUserId)); 11555 mSettings.writePackageRestrictionsLPr(sourceUserId); 11556 } 11557 } 11558 11559 @Override 11560 public void clearCrossProfileIntentFilters(int sourceUserId) { 11561 mContext.enforceCallingOrSelfPermission( 11562 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11563 synchronized (mPackages) { 11564 CrossProfileIntentResolver cpir = 11565 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11566 HashSet<CrossProfileIntentFilter> set = 11567 new HashSet<CrossProfileIntentFilter>(cpir.filterSet()); 11568 for (CrossProfileIntentFilter cpif : set) { 11569 if (cpif.isRemovable()) cpir.removeFilter(cpif); 11570 } 11571 mSettings.writePackageRestrictionsLPr(sourceUserId); 11572 } 11573 } 11574 11575 @Override 11576 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11577 Intent intent = new Intent(Intent.ACTION_MAIN); 11578 intent.addCategory(Intent.CATEGORY_HOME); 11579 11580 final int callingUserId = UserHandle.getCallingUserId(); 11581 List<ResolveInfo> list = queryIntentActivities(intent, null, 11582 PackageManager.GET_META_DATA, callingUserId); 11583 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11584 true, false, false, callingUserId); 11585 11586 allHomeCandidates.clear(); 11587 if (list != null) { 11588 for (ResolveInfo ri : list) { 11589 allHomeCandidates.add(ri); 11590 } 11591 } 11592 return (preferred == null || preferred.activityInfo == null) 11593 ? null 11594 : new ComponentName(preferred.activityInfo.packageName, 11595 preferred.activityInfo.name); 11596 } 11597 11598 @Override 11599 public void setApplicationEnabledSetting(String appPackageName, 11600 int newState, int flags, int userId, String callingPackage) { 11601 if (!sUserManager.exists(userId)) return; 11602 if (callingPackage == null) { 11603 callingPackage = Integer.toString(Binder.getCallingUid()); 11604 } 11605 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11606 } 11607 11608 @Override 11609 public void setComponentEnabledSetting(ComponentName componentName, 11610 int newState, int flags, int userId) { 11611 if (!sUserManager.exists(userId)) return; 11612 setEnabledSetting(componentName.getPackageName(), 11613 componentName.getClassName(), newState, flags, userId, null); 11614 } 11615 11616 private void setEnabledSetting(final String packageName, String className, int newState, 11617 final int flags, int userId, String callingPackage) { 11618 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11619 || newState == COMPONENT_ENABLED_STATE_ENABLED 11620 || newState == COMPONENT_ENABLED_STATE_DISABLED 11621 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11622 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11623 throw new IllegalArgumentException("Invalid new component state: " 11624 + newState); 11625 } 11626 PackageSetting pkgSetting; 11627 final int uid = Binder.getCallingUid(); 11628 final int permission = mContext.checkCallingOrSelfPermission( 11629 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11630 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11631 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11632 boolean sendNow = false; 11633 boolean isApp = (className == null); 11634 String componentName = isApp ? packageName : className; 11635 int packageUid = -1; 11636 ArrayList<String> components; 11637 11638 // writer 11639 synchronized (mPackages) { 11640 pkgSetting = mSettings.mPackages.get(packageName); 11641 if (pkgSetting == null) { 11642 if (className == null) { 11643 throw new IllegalArgumentException( 11644 "Unknown package: " + packageName); 11645 } 11646 throw new IllegalArgumentException( 11647 "Unknown component: " + packageName 11648 + "/" + className); 11649 } 11650 // Allow root and verify that userId is not being specified by a different user 11651 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11652 throw new SecurityException( 11653 "Permission Denial: attempt to change component state from pid=" 11654 + Binder.getCallingPid() 11655 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11656 } 11657 if (className == null) { 11658 // We're dealing with an application/package level state change 11659 if (pkgSetting.getEnabled(userId) == newState) { 11660 // Nothing to do 11661 return; 11662 } 11663 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11664 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11665 // Don't care about who enables an app. 11666 callingPackage = null; 11667 } 11668 pkgSetting.setEnabled(newState, userId, callingPackage); 11669 // pkgSetting.pkg.mSetEnabled = newState; 11670 } else { 11671 // We're dealing with a component level state change 11672 // First, verify that this is a valid class name. 11673 PackageParser.Package pkg = pkgSetting.pkg; 11674 if (pkg == null || !pkg.hasComponentClassName(className)) { 11675 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11676 throw new IllegalArgumentException("Component class " + className 11677 + " does not exist in " + packageName); 11678 } else { 11679 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11680 + className + " does not exist in " + packageName); 11681 } 11682 } 11683 switch (newState) { 11684 case COMPONENT_ENABLED_STATE_ENABLED: 11685 if (!pkgSetting.enableComponentLPw(className, userId)) { 11686 return; 11687 } 11688 break; 11689 case COMPONENT_ENABLED_STATE_DISABLED: 11690 if (!pkgSetting.disableComponentLPw(className, userId)) { 11691 return; 11692 } 11693 break; 11694 case COMPONENT_ENABLED_STATE_DEFAULT: 11695 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11696 return; 11697 } 11698 break; 11699 default: 11700 Slog.e(TAG, "Invalid new component state: " + newState); 11701 return; 11702 } 11703 } 11704 mSettings.writePackageRestrictionsLPr(userId); 11705 components = mPendingBroadcasts.get(userId, packageName); 11706 final boolean newPackage = components == null; 11707 if (newPackage) { 11708 components = new ArrayList<String>(); 11709 } 11710 if (!components.contains(componentName)) { 11711 components.add(componentName); 11712 } 11713 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11714 sendNow = true; 11715 // Purge entry from pending broadcast list if another one exists already 11716 // since we are sending one right away. 11717 mPendingBroadcasts.remove(userId, packageName); 11718 } else { 11719 if (newPackage) { 11720 mPendingBroadcasts.put(userId, packageName, components); 11721 } 11722 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11723 // Schedule a message 11724 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11725 } 11726 } 11727 } 11728 11729 long callingId = Binder.clearCallingIdentity(); 11730 try { 11731 if (sendNow) { 11732 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11733 sendPackageChangedBroadcast(packageName, 11734 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11735 } 11736 } finally { 11737 Binder.restoreCallingIdentity(callingId); 11738 } 11739 } 11740 11741 private void sendPackageChangedBroadcast(String packageName, 11742 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11743 if (DEBUG_INSTALL) 11744 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11745 + componentNames); 11746 Bundle extras = new Bundle(4); 11747 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11748 String nameList[] = new String[componentNames.size()]; 11749 componentNames.toArray(nameList); 11750 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11751 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11752 extras.putInt(Intent.EXTRA_UID, packageUid); 11753 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11754 new int[] {UserHandle.getUserId(packageUid)}); 11755 } 11756 11757 @Override 11758 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11759 if (!sUserManager.exists(userId)) return; 11760 final int uid = Binder.getCallingUid(); 11761 final int permission = mContext.checkCallingOrSelfPermission( 11762 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11763 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11764 enforceCrossUserPermission(uid, userId, true, "stop package"); 11765 // writer 11766 synchronized (mPackages) { 11767 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11768 uid, userId)) { 11769 scheduleWritePackageRestrictionsLocked(userId); 11770 } 11771 } 11772 } 11773 11774 @Override 11775 public String getInstallerPackageName(String packageName) { 11776 // reader 11777 synchronized (mPackages) { 11778 return mSettings.getInstallerPackageNameLPr(packageName); 11779 } 11780 } 11781 11782 @Override 11783 public int getApplicationEnabledSetting(String packageName, int userId) { 11784 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11785 int uid = Binder.getCallingUid(); 11786 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11787 // reader 11788 synchronized (mPackages) { 11789 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11790 } 11791 } 11792 11793 @Override 11794 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11795 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11796 int uid = Binder.getCallingUid(); 11797 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11798 // reader 11799 synchronized (mPackages) { 11800 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11801 } 11802 } 11803 11804 @Override 11805 public void enterSafeMode() { 11806 enforceSystemOrRoot("Only the system can request entering safe mode"); 11807 11808 if (!mSystemReady) { 11809 mSafeMode = true; 11810 } 11811 } 11812 11813 @Override 11814 public void systemReady() { 11815 mSystemReady = true; 11816 11817 // Read the compatibilty setting when the system is ready. 11818 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11819 mContext.getContentResolver(), 11820 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11821 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11822 if (DEBUG_SETTINGS) { 11823 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11824 } 11825 11826 synchronized (mPackages) { 11827 // Verify that all of the preferred activity components actually 11828 // exist. It is possible for applications to be updated and at 11829 // that point remove a previously declared activity component that 11830 // had been set as a preferred activity. We try to clean this up 11831 // the next time we encounter that preferred activity, but it is 11832 // possible for the user flow to never be able to return to that 11833 // situation so here we do a sanity check to make sure we haven't 11834 // left any junk around. 11835 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11836 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11837 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11838 removed.clear(); 11839 for (PreferredActivity pa : pir.filterSet()) { 11840 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11841 removed.add(pa); 11842 } 11843 } 11844 if (removed.size() > 0) { 11845 for (int r=0; r<removed.size(); r++) { 11846 PreferredActivity pa = removed.get(r); 11847 Slog.w(TAG, "Removing dangling preferred activity: " 11848 + pa.mPref.mComponent); 11849 pir.removeFilter(pa); 11850 } 11851 mSettings.writePackageRestrictionsLPr( 11852 mSettings.mPreferredActivities.keyAt(i)); 11853 } 11854 } 11855 } 11856 sUserManager.systemReady(); 11857 } 11858 11859 @Override 11860 public boolean isSafeMode() { 11861 return mSafeMode; 11862 } 11863 11864 @Override 11865 public boolean hasSystemUidErrors() { 11866 return mHasSystemUidErrors; 11867 } 11868 11869 static String arrayToString(int[] array) { 11870 StringBuffer buf = new StringBuffer(128); 11871 buf.append('['); 11872 if (array != null) { 11873 for (int i=0; i<array.length; i++) { 11874 if (i > 0) buf.append(", "); 11875 buf.append(array[i]); 11876 } 11877 } 11878 buf.append(']'); 11879 return buf.toString(); 11880 } 11881 11882 static class DumpState { 11883 public static final int DUMP_LIBS = 1 << 0; 11884 11885 public static final int DUMP_FEATURES = 1 << 1; 11886 11887 public static final int DUMP_RESOLVERS = 1 << 2; 11888 11889 public static final int DUMP_PERMISSIONS = 1 << 3; 11890 11891 public static final int DUMP_PACKAGES = 1 << 4; 11892 11893 public static final int DUMP_SHARED_USERS = 1 << 5; 11894 11895 public static final int DUMP_MESSAGES = 1 << 6; 11896 11897 public static final int DUMP_PROVIDERS = 1 << 7; 11898 11899 public static final int DUMP_VERIFIERS = 1 << 8; 11900 11901 public static final int DUMP_PREFERRED = 1 << 9; 11902 11903 public static final int DUMP_PREFERRED_XML = 1 << 10; 11904 11905 public static final int DUMP_KEYSETS = 1 << 11; 11906 11907 public static final int DUMP_VERSION = 1 << 12; 11908 11909 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11910 11911 private int mTypes; 11912 11913 private int mOptions; 11914 11915 private boolean mTitlePrinted; 11916 11917 private SharedUserSetting mSharedUser; 11918 11919 public boolean isDumping(int type) { 11920 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11921 return true; 11922 } 11923 11924 return (mTypes & type) != 0; 11925 } 11926 11927 public void setDump(int type) { 11928 mTypes |= type; 11929 } 11930 11931 public boolean isOptionEnabled(int option) { 11932 return (mOptions & option) != 0; 11933 } 11934 11935 public void setOptionEnabled(int option) { 11936 mOptions |= option; 11937 } 11938 11939 public boolean onTitlePrinted() { 11940 final boolean printed = mTitlePrinted; 11941 mTitlePrinted = true; 11942 return printed; 11943 } 11944 11945 public boolean getTitlePrinted() { 11946 return mTitlePrinted; 11947 } 11948 11949 public void setTitlePrinted(boolean enabled) { 11950 mTitlePrinted = enabled; 11951 } 11952 11953 public SharedUserSetting getSharedUser() { 11954 return mSharedUser; 11955 } 11956 11957 public void setSharedUser(SharedUserSetting user) { 11958 mSharedUser = user; 11959 } 11960 } 11961 11962 @Override 11963 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11964 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11965 != PackageManager.PERMISSION_GRANTED) { 11966 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11967 + Binder.getCallingPid() 11968 + ", uid=" + Binder.getCallingUid() 11969 + " without permission " 11970 + android.Manifest.permission.DUMP); 11971 return; 11972 } 11973 11974 DumpState dumpState = new DumpState(); 11975 boolean fullPreferred = false; 11976 boolean checkin = false; 11977 11978 String packageName = null; 11979 11980 int opti = 0; 11981 while (opti < args.length) { 11982 String opt = args[opti]; 11983 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11984 break; 11985 } 11986 opti++; 11987 if ("-a".equals(opt)) { 11988 // Right now we only know how to print all. 11989 } else if ("-h".equals(opt)) { 11990 pw.println("Package manager dump options:"); 11991 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11992 pw.println(" --checkin: dump for a checkin"); 11993 pw.println(" -f: print details of intent filters"); 11994 pw.println(" -h: print this help"); 11995 pw.println(" cmd may be one of:"); 11996 pw.println(" l[ibraries]: list known shared libraries"); 11997 pw.println(" f[ibraries]: list device features"); 11998 pw.println(" k[eysets]: print known keysets"); 11999 pw.println(" r[esolvers]: dump intent resolvers"); 12000 pw.println(" perm[issions]: dump permissions"); 12001 pw.println(" pref[erred]: print preferred package settings"); 12002 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12003 pw.println(" prov[iders]: dump content providers"); 12004 pw.println(" p[ackages]: dump installed packages"); 12005 pw.println(" s[hared-users]: dump shared user IDs"); 12006 pw.println(" m[essages]: print collected runtime messages"); 12007 pw.println(" v[erifiers]: print package verifier info"); 12008 pw.println(" version: print database version info"); 12009 pw.println(" write: write current settings now"); 12010 pw.println(" <package.name>: info about given package"); 12011 return; 12012 } else if ("--checkin".equals(opt)) { 12013 checkin = true; 12014 } else if ("-f".equals(opt)) { 12015 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12016 } else { 12017 pw.println("Unknown argument: " + opt + "; use -h for help"); 12018 } 12019 } 12020 12021 // Is the caller requesting to dump a particular piece of data? 12022 if (opti < args.length) { 12023 String cmd = args[opti]; 12024 opti++; 12025 // Is this a package name? 12026 if ("android".equals(cmd) || cmd.contains(".")) { 12027 packageName = cmd; 12028 // When dumping a single package, we always dump all of its 12029 // filter information since the amount of data will be reasonable. 12030 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12031 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12032 dumpState.setDump(DumpState.DUMP_LIBS); 12033 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12034 dumpState.setDump(DumpState.DUMP_FEATURES); 12035 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12036 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12037 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12038 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12039 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12040 dumpState.setDump(DumpState.DUMP_PREFERRED); 12041 } else if ("preferred-xml".equals(cmd)) { 12042 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12043 if (opti < args.length && "--full".equals(args[opti])) { 12044 fullPreferred = true; 12045 opti++; 12046 } 12047 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12048 dumpState.setDump(DumpState.DUMP_PACKAGES); 12049 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12050 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12051 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12052 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12053 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12054 dumpState.setDump(DumpState.DUMP_MESSAGES); 12055 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12056 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12057 } else if ("version".equals(cmd)) { 12058 dumpState.setDump(DumpState.DUMP_VERSION); 12059 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12060 dumpState.setDump(DumpState.DUMP_KEYSETS); 12061 } else if ("write".equals(cmd)) { 12062 synchronized (mPackages) { 12063 mSettings.writeLPr(); 12064 pw.println("Settings written."); 12065 return; 12066 } 12067 } 12068 } 12069 12070 if (checkin) { 12071 pw.println("vers,1"); 12072 } 12073 12074 // reader 12075 synchronized (mPackages) { 12076 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12077 if (!checkin) { 12078 if (dumpState.onTitlePrinted()) 12079 pw.println(); 12080 pw.println("Database versions:"); 12081 pw.print(" SDK Version:"); 12082 pw.print(" internal="); 12083 pw.print(mSettings.mInternalSdkPlatform); 12084 pw.print(" external="); 12085 pw.println(mSettings.mExternalSdkPlatform); 12086 pw.print(" DB Version:"); 12087 pw.print(" internal="); 12088 pw.print(mSettings.mInternalDatabaseVersion); 12089 pw.print(" external="); 12090 pw.println(mSettings.mExternalDatabaseVersion); 12091 } 12092 } 12093 12094 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12095 if (!checkin) { 12096 if (dumpState.onTitlePrinted()) 12097 pw.println(); 12098 pw.println("Verifiers:"); 12099 pw.print(" Required: "); 12100 pw.print(mRequiredVerifierPackage); 12101 pw.print(" (uid="); 12102 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12103 pw.println(")"); 12104 } else if (mRequiredVerifierPackage != null) { 12105 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12106 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12107 } 12108 } 12109 12110 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12111 boolean printedHeader = false; 12112 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12113 while (it.hasNext()) { 12114 String name = it.next(); 12115 SharedLibraryEntry ent = mSharedLibraries.get(name); 12116 if (!checkin) { 12117 if (!printedHeader) { 12118 if (dumpState.onTitlePrinted()) 12119 pw.println(); 12120 pw.println("Libraries:"); 12121 printedHeader = true; 12122 } 12123 pw.print(" "); 12124 } else { 12125 pw.print("lib,"); 12126 } 12127 pw.print(name); 12128 if (!checkin) { 12129 pw.print(" -> "); 12130 } 12131 if (ent.path != null) { 12132 if (!checkin) { 12133 pw.print("(jar) "); 12134 pw.print(ent.path); 12135 } else { 12136 pw.print(",jar,"); 12137 pw.print(ent.path); 12138 } 12139 } else { 12140 if (!checkin) { 12141 pw.print("(apk) "); 12142 pw.print(ent.apk); 12143 } else { 12144 pw.print(",apk,"); 12145 pw.print(ent.apk); 12146 } 12147 } 12148 pw.println(); 12149 } 12150 } 12151 12152 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12153 if (dumpState.onTitlePrinted()) 12154 pw.println(); 12155 if (!checkin) { 12156 pw.println("Features:"); 12157 } 12158 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12159 while (it.hasNext()) { 12160 String name = it.next(); 12161 if (!checkin) { 12162 pw.print(" "); 12163 } else { 12164 pw.print("feat,"); 12165 } 12166 pw.println(name); 12167 } 12168 } 12169 12170 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12171 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12172 : "Activity Resolver Table:", " ", packageName, 12173 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12174 dumpState.setTitlePrinted(true); 12175 } 12176 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12177 : "Receiver Resolver Table:", " ", packageName, 12178 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12179 dumpState.setTitlePrinted(true); 12180 } 12181 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12182 : "Service Resolver Table:", " ", packageName, 12183 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12184 dumpState.setTitlePrinted(true); 12185 } 12186 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12187 : "Provider Resolver Table:", " ", packageName, 12188 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12189 dumpState.setTitlePrinted(true); 12190 } 12191 } 12192 12193 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12194 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12195 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12196 int user = mSettings.mPreferredActivities.keyAt(i); 12197 if (pir.dump(pw, 12198 dumpState.getTitlePrinted() 12199 ? "\nPreferred Activities User " + user + ":" 12200 : "Preferred Activities User " + user + ":", " ", 12201 packageName, true)) { 12202 dumpState.setTitlePrinted(true); 12203 } 12204 } 12205 } 12206 12207 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12208 pw.flush(); 12209 FileOutputStream fout = new FileOutputStream(fd); 12210 BufferedOutputStream str = new BufferedOutputStream(fout); 12211 XmlSerializer serializer = new FastXmlSerializer(); 12212 try { 12213 serializer.setOutput(str, "utf-8"); 12214 serializer.startDocument(null, true); 12215 serializer.setFeature( 12216 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12217 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12218 serializer.endDocument(); 12219 serializer.flush(); 12220 } catch (IllegalArgumentException e) { 12221 pw.println("Failed writing: " + e); 12222 } catch (IllegalStateException e) { 12223 pw.println("Failed writing: " + e); 12224 } catch (IOException e) { 12225 pw.println("Failed writing: " + e); 12226 } 12227 } 12228 12229 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12230 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12231 } 12232 12233 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12234 boolean printedSomething = false; 12235 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12236 if (packageName != null && !packageName.equals(p.info.packageName)) { 12237 continue; 12238 } 12239 if (!printedSomething) { 12240 if (dumpState.onTitlePrinted()) 12241 pw.println(); 12242 pw.println("Registered ContentProviders:"); 12243 printedSomething = true; 12244 } 12245 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12246 pw.print(" "); pw.println(p.toString()); 12247 } 12248 printedSomething = false; 12249 for (Map.Entry<String, PackageParser.Provider> entry : 12250 mProvidersByAuthority.entrySet()) { 12251 PackageParser.Provider p = entry.getValue(); 12252 if (packageName != null && !packageName.equals(p.info.packageName)) { 12253 continue; 12254 } 12255 if (!printedSomething) { 12256 if (dumpState.onTitlePrinted()) 12257 pw.println(); 12258 pw.println("ContentProvider Authorities:"); 12259 printedSomething = true; 12260 } 12261 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12262 pw.print(" "); pw.println(p.toString()); 12263 if (p.info != null && p.info.applicationInfo != null) { 12264 final String appInfo = p.info.applicationInfo.toString(); 12265 pw.print(" applicationInfo="); pw.println(appInfo); 12266 } 12267 } 12268 } 12269 12270 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12271 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12272 } 12273 12274 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12275 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12276 } 12277 12278 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12279 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12280 } 12281 12282 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12283 if (dumpState.onTitlePrinted()) 12284 pw.println(); 12285 mSettings.dumpReadMessagesLPr(pw, dumpState); 12286 12287 pw.println(); 12288 pw.println("Package warning messages:"); 12289 final File fname = getSettingsProblemFile(); 12290 FileInputStream in = null; 12291 try { 12292 in = new FileInputStream(fname); 12293 final int avail = in.available(); 12294 final byte[] data = new byte[avail]; 12295 in.read(data); 12296 pw.print(new String(data)); 12297 } catch (FileNotFoundException e) { 12298 } catch (IOException e) { 12299 } finally { 12300 if (in != null) { 12301 try { 12302 in.close(); 12303 } catch (IOException e) { 12304 } 12305 } 12306 } 12307 } 12308 } 12309 } 12310 12311 // ------- apps on sdcard specific code ------- 12312 static final boolean DEBUG_SD_INSTALL = false; 12313 12314 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12315 12316 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12317 12318 private boolean mMediaMounted = false; 12319 12320 private String getEncryptKey() { 12321 try { 12322 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12323 SD_ENCRYPTION_KEYSTORE_NAME); 12324 if (sdEncKey == null) { 12325 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12326 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12327 if (sdEncKey == null) { 12328 Slog.e(TAG, "Failed to create encryption keys"); 12329 return null; 12330 } 12331 } 12332 return sdEncKey; 12333 } catch (NoSuchAlgorithmException nsae) { 12334 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12335 return null; 12336 } catch (IOException ioe) { 12337 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12338 return null; 12339 } 12340 12341 } 12342 12343 /* package */static String getTempContainerId() { 12344 int tmpIdx = 1; 12345 String list[] = PackageHelper.getSecureContainerList(); 12346 if (list != null) { 12347 for (final String name : list) { 12348 // Ignore null and non-temporary container entries 12349 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12350 continue; 12351 } 12352 12353 String subStr = name.substring(mTempContainerPrefix.length()); 12354 try { 12355 int cid = Integer.parseInt(subStr); 12356 if (cid >= tmpIdx) { 12357 tmpIdx = cid + 1; 12358 } 12359 } catch (NumberFormatException e) { 12360 } 12361 } 12362 } 12363 return mTempContainerPrefix + tmpIdx; 12364 } 12365 12366 /* 12367 * Update media status on PackageManager. 12368 */ 12369 @Override 12370 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12371 int callingUid = Binder.getCallingUid(); 12372 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12373 throw new SecurityException("Media status can only be updated by the system"); 12374 } 12375 // reader; this apparently protects mMediaMounted, but should probably 12376 // be a different lock in that case. 12377 synchronized (mPackages) { 12378 Log.i(TAG, "Updating external media status from " 12379 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12380 + (mediaStatus ? "mounted" : "unmounted")); 12381 if (DEBUG_SD_INSTALL) 12382 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12383 + ", mMediaMounted=" + mMediaMounted); 12384 if (mediaStatus == mMediaMounted) { 12385 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12386 : 0, -1); 12387 mHandler.sendMessage(msg); 12388 return; 12389 } 12390 mMediaMounted = mediaStatus; 12391 } 12392 // Queue up an async operation since the package installation may take a 12393 // little while. 12394 mHandler.post(new Runnable() { 12395 public void run() { 12396 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12397 } 12398 }); 12399 } 12400 12401 /** 12402 * Called by MountService when the initial ASECs to scan are available. 12403 * Should block until all the ASEC containers are finished being scanned. 12404 */ 12405 public void scanAvailableAsecs() { 12406 updateExternalMediaStatusInner(true, false, false); 12407 if (mShouldRestoreconData) { 12408 SELinuxMMAC.setRestoreconDone(); 12409 mShouldRestoreconData = false; 12410 } 12411 } 12412 12413 /* 12414 * Collect information of applications on external media, map them against 12415 * existing containers and update information based on current mount status. 12416 * Please note that we always have to report status if reportStatus has been 12417 * set to true especially when unloading packages. 12418 */ 12419 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12420 boolean externalStorage) { 12421 // Collection of uids 12422 int uidArr[] = null; 12423 // Collection of stale containers 12424 HashSet<String> removeCids = new HashSet<String>(); 12425 // Collection of packages on external media with valid containers. 12426 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12427 // Get list of secure containers. 12428 final String list[] = PackageHelper.getSecureContainerList(); 12429 if (list == null || list.length == 0) { 12430 Log.i(TAG, "No secure containers on sdcard"); 12431 } else { 12432 // Process list of secure containers and categorize them 12433 // as active or stale based on their package internal state. 12434 int uidList[] = new int[list.length]; 12435 int num = 0; 12436 // reader 12437 synchronized (mPackages) { 12438 for (String cid : list) { 12439 if (DEBUG_SD_INSTALL) 12440 Log.i(TAG, "Processing container " + cid); 12441 String pkgName = getAsecPackageName(cid); 12442 if (pkgName == null) { 12443 if (DEBUG_SD_INSTALL) 12444 Log.i(TAG, "Container : " + cid + " stale"); 12445 removeCids.add(cid); 12446 continue; 12447 } 12448 if (DEBUG_SD_INSTALL) 12449 Log.i(TAG, "Looking for pkg : " + pkgName); 12450 12451 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12452 if (ps == null) { 12453 Log.i(TAG, "Deleting container with no matching settings " + cid); 12454 removeCids.add(cid); 12455 continue; 12456 } 12457 12458 /* 12459 * Skip packages that are not external if we're unmounting 12460 * external storage. 12461 */ 12462 if (externalStorage && !isMounted && !isExternal(ps)) { 12463 continue; 12464 } 12465 12466 final AsecInstallArgs args = new AsecInstallArgs(cid, 12467 getAppInstructionSetFromSettings(ps), 12468 isForwardLocked(ps)); 12469 // The package status is changed only if the code path 12470 // matches between settings and the container id. 12471 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12472 if (DEBUG_SD_INSTALL) { 12473 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12474 + " at code path: " + ps.codePathString); 12475 } 12476 12477 // We do have a valid package installed on sdcard 12478 processCids.put(args, ps.codePathString); 12479 final int uid = ps.appId; 12480 if (uid != -1) { 12481 uidList[num++] = uid; 12482 } 12483 } else { 12484 Log.i(TAG, "Deleting stale container for " + cid); 12485 removeCids.add(cid); 12486 } 12487 } 12488 } 12489 12490 if (num > 0) { 12491 // Sort uid list 12492 Arrays.sort(uidList, 0, num); 12493 // Throw away duplicates 12494 uidArr = new int[num]; 12495 uidArr[0] = uidList[0]; 12496 int di = 0; 12497 for (int i = 1; i < num; i++) { 12498 if (uidList[i - 1] != uidList[i]) { 12499 uidArr[di++] = uidList[i]; 12500 } 12501 } 12502 } 12503 } 12504 // Process packages with valid entries. 12505 if (isMounted) { 12506 if (DEBUG_SD_INSTALL) 12507 Log.i(TAG, "Loading packages"); 12508 loadMediaPackages(processCids, uidArr, removeCids); 12509 startCleaningPackages(); 12510 } else { 12511 if (DEBUG_SD_INSTALL) 12512 Log.i(TAG, "Unloading packages"); 12513 unloadMediaPackages(processCids, uidArr, reportStatus); 12514 } 12515 } 12516 12517 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12518 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12519 int size = pkgList.size(); 12520 if (size > 0) { 12521 // Send broadcasts here 12522 Bundle extras = new Bundle(); 12523 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12524 .toArray(new String[size])); 12525 if (uidArr != null) { 12526 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12527 } 12528 if (replacing) { 12529 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12530 } 12531 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12532 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12533 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12534 } 12535 } 12536 12537 /* 12538 * Look at potentially valid container ids from processCids If package 12539 * information doesn't match the one on record or package scanning fails, 12540 * the cid is added to list of removeCids. We currently don't delete stale 12541 * containers. 12542 */ 12543 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12544 HashSet<String> removeCids) { 12545 ArrayList<String> pkgList = new ArrayList<String>(); 12546 Set<AsecInstallArgs> keys = processCids.keySet(); 12547 boolean doGc = false; 12548 for (AsecInstallArgs args : keys) { 12549 String codePath = processCids.get(args); 12550 if (DEBUG_SD_INSTALL) 12551 Log.i(TAG, "Loading container : " + args.cid); 12552 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12553 try { 12554 // Make sure there are no container errors first. 12555 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12556 Slog.e(TAG, "Failed to mount cid : " + args.cid 12557 + " when installing from sdcard"); 12558 continue; 12559 } 12560 // Check code path here. 12561 if (codePath == null || !codePath.equals(args.getCodePath())) { 12562 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12563 + " does not match one in settings " + codePath); 12564 continue; 12565 } 12566 // Parse package 12567 int parseFlags = mDefParseFlags; 12568 if (args.isExternal()) { 12569 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12570 } 12571 if (args.isFwdLocked()) { 12572 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12573 } 12574 12575 doGc = true; 12576 synchronized (mInstallLock) { 12577 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12578 0, 0, null, null); 12579 // Scan the package 12580 if (pkg != null) { 12581 /* 12582 * TODO why is the lock being held? doPostInstall is 12583 * called in other places without the lock. This needs 12584 * to be straightened out. 12585 */ 12586 // writer 12587 synchronized (mPackages) { 12588 retCode = PackageManager.INSTALL_SUCCEEDED; 12589 pkgList.add(pkg.packageName); 12590 // Post process args 12591 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12592 pkg.applicationInfo.uid); 12593 } 12594 } else { 12595 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12596 } 12597 } 12598 12599 } finally { 12600 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12601 // Don't destroy container here. Wait till gc clears things 12602 // up. 12603 removeCids.add(args.cid); 12604 } 12605 } 12606 } 12607 // writer 12608 synchronized (mPackages) { 12609 // If the platform SDK has changed since the last time we booted, 12610 // we need to re-grant app permission to catch any new ones that 12611 // appear. This is really a hack, and means that apps can in some 12612 // cases get permissions that the user didn't initially explicitly 12613 // allow... it would be nice to have some better way to handle 12614 // this situation. 12615 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12616 if (regrantPermissions) 12617 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12618 + mSdkVersion + "; regranting permissions for external storage"); 12619 mSettings.mExternalSdkPlatform = mSdkVersion; 12620 12621 // Make sure group IDs have been assigned, and any permission 12622 // changes in other apps are accounted for 12623 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12624 | (regrantPermissions 12625 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12626 : 0)); 12627 12628 mSettings.updateExternalDatabaseVersion(); 12629 12630 // can downgrade to reader 12631 // Persist settings 12632 mSettings.writeLPr(); 12633 } 12634 // Send a broadcast to let everyone know we are done processing 12635 if (pkgList.size() > 0) { 12636 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12637 } 12638 // Force gc to avoid any stale parser references that we might have. 12639 if (doGc) { 12640 Runtime.getRuntime().gc(); 12641 } 12642 // List stale containers and destroy stale temporary containers. 12643 if (removeCids != null) { 12644 for (String cid : removeCids) { 12645 if (cid.startsWith(mTempContainerPrefix)) { 12646 Log.i(TAG, "Destroying stale temporary container " + cid); 12647 PackageHelper.destroySdDir(cid); 12648 } else { 12649 Log.w(TAG, "Container " + cid + " is stale"); 12650 } 12651 } 12652 } 12653 } 12654 12655 /* 12656 * Utility method to unload a list of specified containers 12657 */ 12658 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12659 // Just unmount all valid containers. 12660 for (AsecInstallArgs arg : cidArgs) { 12661 synchronized (mInstallLock) { 12662 arg.doPostDeleteLI(false); 12663 } 12664 } 12665 } 12666 12667 /* 12668 * Unload packages mounted on external media. This involves deleting package 12669 * data from internal structures, sending broadcasts about diabled packages, 12670 * gc'ing to free up references, unmounting all secure containers 12671 * corresponding to packages on external media, and posting a 12672 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12673 * that we always have to post this message if status has been requested no 12674 * matter what. 12675 */ 12676 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12677 final boolean reportStatus) { 12678 if (DEBUG_SD_INSTALL) 12679 Log.i(TAG, "unloading media packages"); 12680 ArrayList<String> pkgList = new ArrayList<String>(); 12681 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12682 final Set<AsecInstallArgs> keys = processCids.keySet(); 12683 for (AsecInstallArgs args : keys) { 12684 String pkgName = args.getPackageName(); 12685 if (DEBUG_SD_INSTALL) 12686 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12687 // Delete package internally 12688 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12689 synchronized (mInstallLock) { 12690 boolean res = deletePackageLI(pkgName, null, false, null, null, 12691 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12692 if (res) { 12693 pkgList.add(pkgName); 12694 } else { 12695 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12696 failedList.add(args); 12697 } 12698 } 12699 } 12700 12701 // reader 12702 synchronized (mPackages) { 12703 // We didn't update the settings after removing each package; 12704 // write them now for all packages. 12705 mSettings.writeLPr(); 12706 } 12707 12708 // We have to absolutely send UPDATED_MEDIA_STATUS only 12709 // after confirming that all the receivers processed the ordered 12710 // broadcast when packages get disabled, force a gc to clean things up. 12711 // and unload all the containers. 12712 if (pkgList.size() > 0) { 12713 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12714 new IIntentReceiver.Stub() { 12715 public void performReceive(Intent intent, int resultCode, String data, 12716 Bundle extras, boolean ordered, boolean sticky, 12717 int sendingUser) throws RemoteException { 12718 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12719 reportStatus ? 1 : 0, 1, keys); 12720 mHandler.sendMessage(msg); 12721 } 12722 }); 12723 } else { 12724 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12725 keys); 12726 mHandler.sendMessage(msg); 12727 } 12728 } 12729 12730 /** Binder call */ 12731 @Override 12732 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12733 final int flags) { 12734 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12735 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12736 int returnCode = PackageManager.MOVE_SUCCEEDED; 12737 int currFlags = 0; 12738 int newFlags = 0; 12739 // reader 12740 synchronized (mPackages) { 12741 PackageParser.Package pkg = mPackages.get(packageName); 12742 if (pkg == null) { 12743 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12744 } else { 12745 // Disable moving fwd locked apps and system packages 12746 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12747 Slog.w(TAG, "Cannot move system application"); 12748 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12749 } else if (pkg.mOperationPending) { 12750 Slog.w(TAG, "Attempt to move package which has pending operations"); 12751 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12752 } else { 12753 // Find install location first 12754 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12755 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12756 Slog.w(TAG, "Ambigous flags specified for move location."); 12757 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12758 } else { 12759 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12760 : PackageManager.INSTALL_INTERNAL; 12761 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12762 : PackageManager.INSTALL_INTERNAL; 12763 12764 if (newFlags == currFlags) { 12765 Slog.w(TAG, "No move required. Trying to move to same location"); 12766 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12767 } else { 12768 if (isForwardLocked(pkg)) { 12769 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12770 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12771 } 12772 } 12773 } 12774 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12775 pkg.mOperationPending = true; 12776 } 12777 } 12778 } 12779 12780 /* 12781 * TODO this next block probably shouldn't be inside the lock. We 12782 * can't guarantee these won't change after this is fired off 12783 * anyway. 12784 */ 12785 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12786 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12787 null, -1, user), 12788 returnCode); 12789 } else { 12790 Message msg = mHandler.obtainMessage(INIT_COPY); 12791 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12792 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12793 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12794 instructionSet); 12795 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12796 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12797 msg.obj = mp; 12798 mHandler.sendMessage(msg); 12799 } 12800 } 12801 } 12802 12803 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12804 // Queue up an async operation since the package deletion may take a 12805 // little while. 12806 mHandler.post(new Runnable() { 12807 public void run() { 12808 // TODO fix this; this does nothing. 12809 mHandler.removeCallbacks(this); 12810 int returnCode = currentStatus; 12811 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12812 int uidArr[] = null; 12813 ArrayList<String> pkgList = null; 12814 synchronized (mPackages) { 12815 PackageParser.Package pkg = mPackages.get(mp.packageName); 12816 if (pkg == null) { 12817 Slog.w(TAG, " Package " + mp.packageName 12818 + " doesn't exist. Aborting move"); 12819 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12820 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12821 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12822 + mp.srcArgs.getCodePath() + " to " 12823 + pkg.applicationInfo.sourceDir 12824 + " Aborting move and returning error"); 12825 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12826 } else { 12827 uidArr = new int[] { 12828 pkg.applicationInfo.uid 12829 }; 12830 pkgList = new ArrayList<String>(); 12831 pkgList.add(mp.packageName); 12832 } 12833 } 12834 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12835 // Send resources unavailable broadcast 12836 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12837 // Update package code and resource paths 12838 synchronized (mInstallLock) { 12839 synchronized (mPackages) { 12840 PackageParser.Package pkg = mPackages.get(mp.packageName); 12841 // Recheck for package again. 12842 if (pkg == null) { 12843 Slog.w(TAG, " Package " + mp.packageName 12844 + " doesn't exist. Aborting move"); 12845 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12846 } else if (!mp.srcArgs.getCodePath().equals( 12847 pkg.applicationInfo.sourceDir)) { 12848 Slog.w(TAG, "Package " + mp.packageName 12849 + " code path changed from " + mp.srcArgs.getCodePath() 12850 + " to " + pkg.applicationInfo.sourceDir 12851 + " Aborting move and returning error"); 12852 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12853 } else { 12854 final String oldCodePath = pkg.codePath; 12855 final String newCodePath = mp.targetArgs.getCodePath(); 12856 final String newResPath = mp.targetArgs.getResourcePath(); 12857 final String newNativePath = mp.targetArgs 12858 .getNativeLibraryPath(); 12859 12860 final File newNativeDir = new File(newNativePath); 12861 12862 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12863 // NOTE: We do not report any errors from the APK scan and library 12864 // copy at this point. 12865 NativeLibraryHelper.ApkHandle handle = 12866 new NativeLibraryHelper.ApkHandle(newCodePath); 12867 final int abi = NativeLibraryHelper.findSupportedAbi( 12868 handle, Build.SUPPORTED_ABIS); 12869 if (abi >= 0) { 12870 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12871 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12872 } 12873 handle.close(); 12874 } 12875 final int[] users = sUserManager.getUserIds(); 12876 for (int user : users) { 12877 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12878 newNativePath, user) < 0) { 12879 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12880 } 12881 } 12882 12883 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12884 pkg.codePath = newCodePath; 12885 // Move dex files around 12886 if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) { 12887 // Moving of dex files failed. Set 12888 // error code and abort move. 12889 pkg.codePath = oldCodePath; 12890 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12891 } 12892 } 12893 12894 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12895 pkg.applicationInfo.sourceDir = newCodePath; 12896 pkg.applicationInfo.publicSourceDir = newResPath; 12897 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12898 PackageSetting ps = (PackageSetting) pkg.mExtras; 12899 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12900 ps.codePathString = ps.codePath.getPath(); 12901 ps.resourcePath = new File( 12902 pkg.applicationInfo.publicSourceDir); 12903 ps.resourcePathString = ps.resourcePath.getPath(); 12904 ps.nativeLibraryPathString = newNativePath; 12905 // Set the application info flag 12906 // correctly. 12907 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12908 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12909 } else { 12910 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12911 } 12912 ps.setFlags(pkg.applicationInfo.flags); 12913 mAppDirs.remove(oldCodePath); 12914 mAppDirs.put(newCodePath, pkg); 12915 // Persist settings 12916 mSettings.writeLPr(); 12917 } 12918 } 12919 } 12920 } 12921 // Send resources available broadcast 12922 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12923 } 12924 } 12925 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12926 // Clean up failed installation 12927 if (mp.targetArgs != null) { 12928 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12929 -1); 12930 } 12931 } else { 12932 // Force a gc to clear things up. 12933 Runtime.getRuntime().gc(); 12934 // Delete older code 12935 synchronized (mInstallLock) { 12936 mp.srcArgs.doPostDeleteLI(true); 12937 } 12938 } 12939 12940 // Allow more operations on this file if we didn't fail because 12941 // an operation was already pending for this package. 12942 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12943 synchronized (mPackages) { 12944 PackageParser.Package pkg = mPackages.get(mp.packageName); 12945 if (pkg != null) { 12946 pkg.mOperationPending = false; 12947 } 12948 } 12949 } 12950 12951 IPackageMoveObserver observer = mp.observer; 12952 if (observer != null) { 12953 try { 12954 observer.packageMoved(mp.packageName, returnCode); 12955 } catch (RemoteException e) { 12956 Log.i(TAG, "Observer no longer exists."); 12957 } 12958 } 12959 } 12960 }); 12961 } 12962 12963 @Override 12964 public boolean setInstallLocation(int loc) { 12965 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12966 null); 12967 if (getInstallLocation() == loc) { 12968 return true; 12969 } 12970 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12971 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12972 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12973 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12974 return true; 12975 } 12976 return false; 12977 } 12978 12979 @Override 12980 public int getInstallLocation() { 12981 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12982 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12983 PackageHelper.APP_INSTALL_AUTO); 12984 } 12985 12986 /** Called by UserManagerService */ 12987 void cleanUpUserLILPw(int userHandle) { 12988 mDirtyUsers.remove(userHandle); 12989 mSettings.removeUserLPr(userHandle); 12990 mPendingBroadcasts.remove(userHandle); 12991 if (mInstaller != null) { 12992 // Technically, we shouldn't be doing this with the package lock 12993 // held. However, this is very rare, and there is already so much 12994 // other disk I/O going on, that we'll let it slide for now. 12995 mInstaller.removeUserDataDirs(userHandle); 12996 } 12997 } 12998 12999 /** Called by UserManagerService */ 13000 void createNewUserLILPw(int userHandle, File path) { 13001 if (mInstaller != null) { 13002 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13003 } 13004 } 13005 13006 @Override 13007 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13008 mContext.enforceCallingOrSelfPermission( 13009 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13010 "Only package verification agents can read the verifier device identity"); 13011 13012 synchronized (mPackages) { 13013 return mSettings.getVerifierDeviceIdentityLPw(); 13014 } 13015 } 13016 13017 @Override 13018 public void setPermissionEnforced(String permission, boolean enforced) { 13019 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13020 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13021 synchronized (mPackages) { 13022 if (mSettings.mReadExternalStorageEnforced == null 13023 || mSettings.mReadExternalStorageEnforced != enforced) { 13024 mSettings.mReadExternalStorageEnforced = enforced; 13025 mSettings.writeLPr(); 13026 } 13027 } 13028 // kill any non-foreground processes so we restart them and 13029 // grant/revoke the GID. 13030 final IActivityManager am = ActivityManagerNative.getDefault(); 13031 if (am != null) { 13032 final long token = Binder.clearCallingIdentity(); 13033 try { 13034 am.killProcessesBelowForeground("setPermissionEnforcement"); 13035 } catch (RemoteException e) { 13036 } finally { 13037 Binder.restoreCallingIdentity(token); 13038 } 13039 } 13040 } else { 13041 throw new IllegalArgumentException("No selective enforcement for " + permission); 13042 } 13043 } 13044 13045 @Override 13046 @Deprecated 13047 public boolean isPermissionEnforced(String permission) { 13048 return true; 13049 } 13050 13051 @Override 13052 public boolean isStorageLow() { 13053 final long token = Binder.clearCallingIdentity(); 13054 try { 13055 final DeviceStorageMonitorInternal 13056 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13057 if (dsm != null) { 13058 return dsm.isMemoryLow(); 13059 } else { 13060 return false; 13061 } 13062 } finally { 13063 Binder.restoreCallingIdentity(token); 13064 } 13065 } 13066 13067 @Override 13068 public IPackageInstaller getPackageInstaller() { 13069 return mInstallerService; 13070 } 13071} 13072