PackageManagerService.java revision 2c43c339de5aaf4fef58aa9b5ac3af48609263a8
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 } catch (PackageParserException e) { 4186 mLastScanError = e.error; 4187 return false; 4188 } 4189 return true; 4190 } 4191 4192 /* 4193 * Scan a package and return the newly parsed package. 4194 * Returns null in case of errors and the error code is stored in mLastScanError 4195 */ 4196 private PackageParser.Package scanPackageLI(File scanFile, 4197 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4198 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4199 String scanPath = scanFile.getPath(); 4200 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4201 parseFlags |= mDefParseFlags; 4202 PackageParser pp = new PackageParser(scanPath); 4203 pp.setSeparateProcesses(mSeparateProcesses); 4204 pp.setOnlyCoreApps(mOnlyCore); 4205 4206 final PackageParser.Package pkg; 4207 try { 4208 pkg = pp.parseMonolithicPackage(scanFile, mMetrics, parseFlags, 4209 (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 4210 } catch (PackageParserException e) { 4211 mLastScanError = e.error; 4212 return null; 4213 } 4214 4215 PackageSetting ps = null; 4216 PackageSetting updatedPkg; 4217 // reader 4218 synchronized (mPackages) { 4219 // Look to see if we already know about this package. 4220 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4221 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4222 // This package has been renamed to its original name. Let's 4223 // use that. 4224 ps = mSettings.peekPackageLPr(oldName); 4225 } 4226 // If there was no original package, see one for the real package name. 4227 if (ps == null) { 4228 ps = mSettings.peekPackageLPr(pkg.packageName); 4229 } 4230 // Check to see if this package could be hiding/updating a system 4231 // package. Must look for it either under the original or real 4232 // package name depending on our state. 4233 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4234 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4235 } 4236 boolean updatedPkgBetter = false; 4237 // First check if this is a system package that may involve an update 4238 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4239 if (ps != null && !ps.codePath.equals(scanFile)) { 4240 // The path has changed from what was last scanned... check the 4241 // version of the new path against what we have stored to determine 4242 // what to do. 4243 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4244 if (pkg.mVersionCode < ps.versionCode) { 4245 // The system package has been updated and the code path does not match 4246 // Ignore entry. Skip it. 4247 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4248 + " ignored: updated version " + ps.versionCode 4249 + " better than this " + pkg.mVersionCode); 4250 if (!updatedPkg.codePath.equals(scanFile)) { 4251 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4252 + ps.name + " changing from " + updatedPkg.codePathString 4253 + " to " + scanFile); 4254 updatedPkg.codePath = scanFile; 4255 updatedPkg.codePathString = scanFile.toString(); 4256 // This is the point at which we know that the system-disk APK 4257 // for this package has moved during a reboot (e.g. due to an OTA), 4258 // so we need to reevaluate it for privilege policy. 4259 if (locationIsPrivileged(scanFile)) { 4260 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4261 } 4262 } 4263 updatedPkg.pkg = pkg; 4264 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4265 return null; 4266 } else { 4267 // The current app on the system partition is better than 4268 // what we have updated to on the data partition; switch 4269 // back to the system partition version. 4270 // At this point, its safely assumed that package installation for 4271 // apps in system partition will go through. If not there won't be a working 4272 // version of the app 4273 // writer 4274 synchronized (mPackages) { 4275 // Just remove the loaded entries from package lists. 4276 mPackages.remove(ps.name); 4277 } 4278 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4279 + "reverting from " + ps.codePathString 4280 + ": new version " + pkg.mVersionCode 4281 + " better than installed " + ps.versionCode); 4282 4283 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4284 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4285 getAppInstructionSetFromSettings(ps)); 4286 synchronized (mInstallLock) { 4287 args.cleanUpResourcesLI(); 4288 } 4289 synchronized (mPackages) { 4290 mSettings.enableSystemPackageLPw(ps.name); 4291 } 4292 updatedPkgBetter = true; 4293 } 4294 } 4295 } 4296 4297 if (updatedPkg != null) { 4298 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4299 // initially 4300 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4301 4302 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4303 // flag set initially 4304 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4305 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4306 } 4307 } 4308 // Verify certificates against what was last scanned 4309 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4310 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4311 return null; 4312 } 4313 4314 /* 4315 * A new system app appeared, but we already had a non-system one of the 4316 * same name installed earlier. 4317 */ 4318 boolean shouldHideSystemApp = false; 4319 if (updatedPkg == null && ps != null 4320 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4321 /* 4322 * Check to make sure the signatures match first. If they don't, 4323 * wipe the installed application and its data. 4324 */ 4325 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4326 != PackageManager.SIGNATURE_MATCH) { 4327 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4328 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4329 ps = null; 4330 } else { 4331 /* 4332 * If the newly-added system app is an older version than the 4333 * already installed version, hide it. It will be scanned later 4334 * and re-added like an update. 4335 */ 4336 if (pkg.mVersionCode < ps.versionCode) { 4337 shouldHideSystemApp = true; 4338 } else { 4339 /* 4340 * The newly found system app is a newer version that the 4341 * one previously installed. Simply remove the 4342 * already-installed application and replace it with our own 4343 * while keeping the application data. 4344 */ 4345 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4346 + ps.codePathString + ": new version " + pkg.mVersionCode 4347 + " better than installed " + ps.versionCode); 4348 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4349 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4350 getAppInstructionSetFromSettings(ps)); 4351 synchronized (mInstallLock) { 4352 args.cleanUpResourcesLI(); 4353 } 4354 } 4355 } 4356 } 4357 4358 // The apk is forward locked (not public) if its code and resources 4359 // are kept in different files. (except for app in either system or 4360 // vendor path). 4361 // TODO grab this value from PackageSettings 4362 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4363 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4364 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4365 } 4366 } 4367 4368 final String codePath = pkg.codePath; 4369 final String[] splitCodePaths = pkg.splitCodePaths; 4370 4371 String resPath = null; 4372 String[] splitResPaths = null; 4373 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4374 if (ps != null && ps.resourcePathString != null) { 4375 resPath = ps.resourcePathString; 4376 splitResPaths = deriveSplitResPaths(pkg.splitCodePaths); 4377 } else { 4378 // Should not happen at all. Just log an error. 4379 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4380 } 4381 } else { 4382 resPath = pkg.codePath; 4383 splitResPaths = pkg.splitCodePaths; 4384 } 4385 4386 // Set application objects path explicitly. 4387 pkg.applicationInfo.sourceDir = codePath; 4388 pkg.applicationInfo.publicSourceDir = resPath; 4389 pkg.applicationInfo.splitSourceDirs = splitCodePaths; 4390 pkg.applicationInfo.splitPublicSourceDirs = splitResPaths; 4391 4392 // Note that we invoke the following method only if we are about to unpack an application 4393 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4394 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4395 4396 /* 4397 * If the system app should be overridden by a previously installed 4398 * data, hide the system app now and let the /data/app scan pick it up 4399 * again. 4400 */ 4401 if (shouldHideSystemApp) { 4402 synchronized (mPackages) { 4403 /* 4404 * We have to grant systems permissions before we hide, because 4405 * grantPermissions will assume the package update is trying to 4406 * expand its permissions. 4407 */ 4408 grantPermissionsLPw(pkg, true); 4409 mSettings.disableSystemPackageLPw(pkg.packageName); 4410 } 4411 } 4412 4413 return scannedPkg; 4414 } 4415 4416 private static String fixProcessName(String defProcessName, 4417 String processName, int uid) { 4418 if (processName == null) { 4419 return defProcessName; 4420 } 4421 return processName; 4422 } 4423 4424 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4425 if (pkgSetting.signatures.mSignatures != null) { 4426 // Already existing package. Make sure signatures match 4427 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4428 == PackageManager.SIGNATURE_MATCH; 4429 if (!match) { 4430 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4431 == PackageManager.SIGNATURE_MATCH; 4432 } 4433 if (!match) { 4434 Slog.e(TAG, "Package " + pkg.packageName 4435 + " signatures do not match the previously installed version; ignoring!"); 4436 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4437 return false; 4438 } 4439 } 4440 // Check for shared user signatures 4441 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4442 // Already existing package. Make sure signatures match 4443 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4444 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4445 if (!match) { 4446 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4447 == PackageManager.SIGNATURE_MATCH; 4448 } 4449 if (!match) { 4450 Slog.e(TAG, "Package " + pkg.packageName 4451 + " has no signatures that match those in shared user " 4452 + pkgSetting.sharedUser.name + "; ignoring!"); 4453 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4454 return false; 4455 } 4456 } 4457 return true; 4458 } 4459 4460 /** 4461 * Enforces that only the system UID or root's UID can call a method exposed 4462 * via Binder. 4463 * 4464 * @param message used as message if SecurityException is thrown 4465 * @throws SecurityException if the caller is not system or root 4466 */ 4467 private static final void enforceSystemOrRoot(String message) { 4468 final int uid = Binder.getCallingUid(); 4469 if (uid != Process.SYSTEM_UID && uid != 0) { 4470 throw new SecurityException(message); 4471 } 4472 } 4473 4474 @Override 4475 public void performBootDexOpt() { 4476 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4477 4478 final HashSet<PackageParser.Package> pkgs; 4479 synchronized (mPackages) { 4480 pkgs = mDeferredDexOpt; 4481 mDeferredDexOpt = null; 4482 } 4483 4484 if (pkgs != null) { 4485 // Filter out packages that aren't recently used. 4486 // 4487 // The exception is first boot of a non-eng device, which 4488 // should do a full dexopt. 4489 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4490 if (eng || !isFirstBoot()) { 4491 // TODO: add a property to control this? 4492 long dexOptLRUThresholdInMinutes; 4493 if (eng) { 4494 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4495 } else { 4496 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4497 } 4498 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4499 4500 int total = pkgs.size(); 4501 int skipped = 0; 4502 long now = System.currentTimeMillis(); 4503 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4504 PackageParser.Package pkg = i.next(); 4505 long then = pkg.mLastPackageUsageTimeInMills; 4506 if (then + dexOptLRUThresholdInMills < now) { 4507 if (DEBUG_DEXOPT) { 4508 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4509 ((then == 0) ? "never" : new Date(then))); 4510 } 4511 i.remove(); 4512 skipped++; 4513 } 4514 } 4515 if (DEBUG_DEXOPT) { 4516 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4517 } 4518 } 4519 4520 int i = 0; 4521 for (PackageParser.Package pkg : pkgs) { 4522 i++; 4523 if (DEBUG_DEXOPT) { 4524 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4525 + ": " + pkg.packageName); 4526 } 4527 if (!isFirstBoot()) { 4528 try { 4529 ActivityManagerNative.getDefault().showBootMessage( 4530 mContext.getResources().getString( 4531 R.string.android_upgrading_apk, 4532 i, pkgs.size()), true); 4533 } catch (RemoteException e) { 4534 } 4535 } 4536 PackageParser.Package p = pkg; 4537 synchronized (mInstallLock) { 4538 if (p.mDexOptNeeded) { 4539 performDexOptLI(p, false /* force dex */, false /* defer */, 4540 true /* include dependencies */); 4541 } 4542 } 4543 } 4544 } 4545 } 4546 4547 @Override 4548 public boolean performDexOpt(String packageName) { 4549 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4550 return performDexOpt(packageName, true); 4551 } 4552 4553 public boolean performDexOpt(String packageName, boolean updateUsage) { 4554 4555 PackageParser.Package p; 4556 synchronized (mPackages) { 4557 p = mPackages.get(packageName); 4558 if (p == null) { 4559 return false; 4560 } 4561 if (updateUsage) { 4562 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4563 } 4564 mPackageUsage.write(false); 4565 if (!p.mDexOptNeeded) { 4566 return false; 4567 } 4568 } 4569 4570 synchronized (mInstallLock) { 4571 return performDexOptLI(p, false /* force dex */, false /* defer */, 4572 true /* include dependencies */) == DEX_OPT_PERFORMED; 4573 } 4574 } 4575 4576 public HashSet<String> getPackagesThatNeedDexOpt() { 4577 HashSet<String> pkgs = null; 4578 synchronized (mPackages) { 4579 for (PackageParser.Package p : mPackages.values()) { 4580 if (DEBUG_DEXOPT) { 4581 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4582 } 4583 if (!p.mDexOptNeeded) { 4584 continue; 4585 } 4586 if (pkgs == null) { 4587 pkgs = new HashSet<String>(); 4588 } 4589 pkgs.add(p.packageName); 4590 } 4591 } 4592 return pkgs; 4593 } 4594 4595 public void shutdown() { 4596 mPackageUsage.write(true); 4597 } 4598 4599 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4600 boolean forceDex, boolean defer, HashSet<String> done) { 4601 for (int i=0; i<libs.size(); i++) { 4602 PackageParser.Package libPkg; 4603 String libName; 4604 synchronized (mPackages) { 4605 libName = libs.get(i); 4606 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4607 if (lib != null && lib.apk != null) { 4608 libPkg = mPackages.get(lib.apk); 4609 } else { 4610 libPkg = null; 4611 } 4612 } 4613 if (libPkg != null && !done.contains(libName)) { 4614 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4615 } 4616 } 4617 } 4618 4619 static final int DEX_OPT_SKIPPED = 0; 4620 static final int DEX_OPT_PERFORMED = 1; 4621 static final int DEX_OPT_DEFERRED = 2; 4622 static final int DEX_OPT_FAILED = -1; 4623 4624 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4625 boolean forceDex, boolean defer, HashSet<String> done) { 4626 final String instructionSet = instructionSetOverride != null ? 4627 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4628 4629 if (done != null) { 4630 done.add(pkg.packageName); 4631 if (pkg.usesLibraries != null) { 4632 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4633 } 4634 if (pkg.usesOptionalLibraries != null) { 4635 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4636 } 4637 } 4638 4639 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0) { 4640 final ArrayList<String> paths = new ArrayList<>(); 4641 paths.add(pkg.codePath); 4642 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 4643 Collections.addAll(paths, pkg.splitCodePaths); 4644 } 4645 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.add(p.codePath); 4836 if (!ArrayUtils.isEmpty(p.splitCodePaths)) { 4837 Collections.addAll(usesLibraryFiles, p.splitCodePaths); 4838 } 4839 } 4840 } 4841 4842 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4843 PackageParser.Package changingLib) { 4844 // We might be upgrading from a version of the platform that did not 4845 // provide per-package native library directories for system apps. 4846 // Fix that up here. 4847 if (isSystemApp(pkg)) { 4848 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4849 setInternalAppNativeLibraryPath(pkg, ps); 4850 } 4851 4852 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4853 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4854 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4855 for (int i=0; i<N; i++) { 4856 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4857 if (file == null) { 4858 Slog.e(TAG, "Package " + pkg.packageName 4859 + " requires unavailable shared library " 4860 + pkg.usesLibraries.get(i) + "; failing!"); 4861 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4862 return false; 4863 } 4864 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4865 } 4866 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4867 for (int i=0; i<N; i++) { 4868 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4869 if (file == null) { 4870 Slog.w(TAG, "Package " + pkg.packageName 4871 + " desires unavailable shared library " 4872 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4873 } else { 4874 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4875 } 4876 } 4877 N = usesLibraryFiles.size(); 4878 if (N > 0) { 4879 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4880 } else { 4881 pkg.usesLibraryFiles = null; 4882 } 4883 } 4884 return true; 4885 } 4886 4887 private static boolean hasString(List<String> list, List<String> which) { 4888 if (list == null) { 4889 return false; 4890 } 4891 for (int i=list.size()-1; i>=0; i--) { 4892 for (int j=which.size()-1; j>=0; j--) { 4893 if (which.get(j).equals(list.get(i))) { 4894 return true; 4895 } 4896 } 4897 } 4898 return false; 4899 } 4900 4901 private void updateAllSharedLibrariesLPw() { 4902 for (PackageParser.Package pkg : mPackages.values()) { 4903 updateSharedLibrariesLPw(pkg, null); 4904 } 4905 } 4906 4907 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4908 PackageParser.Package changingPkg) { 4909 ArrayList<PackageParser.Package> res = null; 4910 for (PackageParser.Package pkg : mPackages.values()) { 4911 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4912 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4913 if (res == null) { 4914 res = new ArrayList<PackageParser.Package>(); 4915 } 4916 res.add(pkg); 4917 updateSharedLibrariesLPw(pkg, changingPkg); 4918 } 4919 } 4920 return res; 4921 } 4922 4923 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4924 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4925 final File scanFile = new File(pkg.codePath); 4926 if (pkg.applicationInfo.sourceDir == null || 4927 pkg.applicationInfo.publicSourceDir == null) { 4928 // Bail out. The resource and code paths haven't been set. 4929 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4930 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4931 return null; 4932 } 4933 4934 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4935 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4936 } 4937 4938 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4939 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4940 } 4941 4942 if (mCustomResolverComponentName != null && 4943 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4944 setUpCustomResolverActivity(pkg); 4945 } 4946 4947 if (pkg.packageName.equals("android")) { 4948 synchronized (mPackages) { 4949 if (mAndroidApplication != null) { 4950 Slog.w(TAG, "*************************************************"); 4951 Slog.w(TAG, "Core android package being redefined. Skipping."); 4952 Slog.w(TAG, " file=" + scanFile); 4953 Slog.w(TAG, "*************************************************"); 4954 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4955 return null; 4956 } 4957 4958 // Set up information for our fall-back user intent resolution activity. 4959 mPlatformPackage = pkg; 4960 pkg.mVersionCode = mSdkVersion; 4961 mAndroidApplication = pkg.applicationInfo; 4962 4963 if (!mResolverReplaced) { 4964 mResolveActivity.applicationInfo = mAndroidApplication; 4965 mResolveActivity.name = ResolverActivity.class.getName(); 4966 mResolveActivity.packageName = mAndroidApplication.packageName; 4967 mResolveActivity.processName = "system:ui"; 4968 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4969 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 4970 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4971 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4972 mResolveActivity.exported = true; 4973 mResolveActivity.enabled = true; 4974 mResolveInfo.activityInfo = mResolveActivity; 4975 mResolveInfo.priority = 0; 4976 mResolveInfo.preferredOrder = 0; 4977 mResolveInfo.match = 0; 4978 mResolveComponentName = new ComponentName( 4979 mAndroidApplication.packageName, mResolveActivity.name); 4980 } 4981 } 4982 } 4983 4984 if (DEBUG_PACKAGE_SCANNING) { 4985 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4986 Log.d(TAG, "Scanning package " + pkg.packageName); 4987 } 4988 4989 if (mPackages.containsKey(pkg.packageName) 4990 || mSharedLibraries.containsKey(pkg.packageName)) { 4991 Slog.w(TAG, "Application package " + pkg.packageName 4992 + " already installed. Skipping duplicate."); 4993 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4994 return null; 4995 } 4996 4997 // Initialize package source and resource directories 4998 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4999 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 5000 5001 SharedUserSetting suid = null; 5002 PackageSetting pkgSetting = null; 5003 5004 if (!isSystemApp(pkg)) { 5005 // Only system apps can use these features. 5006 pkg.mOriginalPackages = null; 5007 pkg.mRealPackage = null; 5008 pkg.mAdoptPermissions = null; 5009 } 5010 5011 // writer 5012 synchronized (mPackages) { 5013 if (pkg.mSharedUserId != null) { 5014 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5015 if (suid == null) { 5016 Slog.w(TAG, "Creating application package " + pkg.packageName 5017 + " for shared user failed"); 5018 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5019 return null; 5020 } 5021 if (DEBUG_PACKAGE_SCANNING) { 5022 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5023 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5024 + "): packages=" + suid.packages); 5025 } 5026 } 5027 5028 // Check if we are renaming from an original package name. 5029 PackageSetting origPackage = null; 5030 String realName = null; 5031 if (pkg.mOriginalPackages != null) { 5032 // This package may need to be renamed to a previously 5033 // installed name. Let's check on that... 5034 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5035 if (pkg.mOriginalPackages.contains(renamed)) { 5036 // This package had originally been installed as the 5037 // original name, and we have already taken care of 5038 // transitioning to the new one. Just update the new 5039 // one to continue using the old name. 5040 realName = pkg.mRealPackage; 5041 if (!pkg.packageName.equals(renamed)) { 5042 // Callers into this function may have already taken 5043 // care of renaming the package; only do it here if 5044 // it is not already done. 5045 pkg.setPackageName(renamed); 5046 } 5047 5048 } else { 5049 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5050 if ((origPackage = mSettings.peekPackageLPr( 5051 pkg.mOriginalPackages.get(i))) != null) { 5052 // We do have the package already installed under its 5053 // original name... should we use it? 5054 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5055 // New package is not compatible with original. 5056 origPackage = null; 5057 continue; 5058 } else if (origPackage.sharedUser != null) { 5059 // Make sure uid is compatible between packages. 5060 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5061 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5062 + " to " + pkg.packageName + ": old uid " 5063 + origPackage.sharedUser.name 5064 + " differs from " + pkg.mSharedUserId); 5065 origPackage = null; 5066 continue; 5067 } 5068 } else { 5069 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5070 + pkg.packageName + " to old name " + origPackage.name); 5071 } 5072 break; 5073 } 5074 } 5075 } 5076 } 5077 5078 if (mTransferedPackages.contains(pkg.packageName)) { 5079 Slog.w(TAG, "Package " + pkg.packageName 5080 + " was transferred to another, but its .apk remains"); 5081 } 5082 5083 // Just create the setting, don't add it yet. For already existing packages 5084 // the PkgSetting exists already and doesn't have to be created. 5085 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5086 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 5087 pkg.applicationInfo.cpuAbi, 5088 pkg.applicationInfo.flags, user, false); 5089 if (pkgSetting == null) { 5090 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5091 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5092 return null; 5093 } 5094 5095 if (pkgSetting.origPackage != null) { 5096 // If we are first transitioning from an original package, 5097 // fix up the new package's name now. We need to do this after 5098 // looking up the package under its new name, so getPackageLP 5099 // can take care of fiddling things correctly. 5100 pkg.setPackageName(origPackage.name); 5101 5102 // File a report about this. 5103 String msg = "New package " + pkgSetting.realName 5104 + " renamed to replace old package " + pkgSetting.name; 5105 reportSettingsProblem(Log.WARN, msg); 5106 5107 // Make a note of it. 5108 mTransferedPackages.add(origPackage.name); 5109 5110 // No longer need to retain this. 5111 pkgSetting.origPackage = null; 5112 } 5113 5114 if (realName != null) { 5115 // Make a note of it. 5116 mTransferedPackages.add(pkg.packageName); 5117 } 5118 5119 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5120 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5121 } 5122 5123 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5124 // Check all shared libraries and map to their actual file path. 5125 // We only do this here for apps not on a system dir, because those 5126 // are the only ones that can fail an install due to this. We 5127 // will take care of the system apps by updating all of their 5128 // library paths after the scan is done. 5129 if (!updateSharedLibrariesLPw(pkg, null)) { 5130 return null; 5131 } 5132 } 5133 5134 if (mFoundPolicyFile) { 5135 SELinuxMMAC.assignSeinfoValue(pkg); 5136 } 5137 5138 pkg.applicationInfo.uid = pkgSetting.appId; 5139 pkg.mExtras = pkgSetting; 5140 5141 if (!verifySignaturesLP(pkgSetting, pkg)) { 5142 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5143 return null; 5144 } 5145 // The signature has changed, but this package is in the system 5146 // image... let's recover! 5147 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5148 // However... if this package is part of a shared user, but it 5149 // doesn't match the signature of the shared user, let's fail. 5150 // What this means is that you can't change the signatures 5151 // associated with an overall shared user, which doesn't seem all 5152 // that unreasonable. 5153 if (pkgSetting.sharedUser != null) { 5154 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5155 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5156 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5157 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5158 return null; 5159 } 5160 } 5161 // File a report about this. 5162 String msg = "System package " + pkg.packageName 5163 + " signature changed; retaining data."; 5164 reportSettingsProblem(Log.WARN, msg); 5165 } 5166 5167 // Verify that this new package doesn't have any content providers 5168 // that conflict with existing packages. Only do this if the 5169 // package isn't already installed, since we don't want to break 5170 // things that are installed. 5171 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5172 final int N = pkg.providers.size(); 5173 int i; 5174 for (i=0; i<N; i++) { 5175 PackageParser.Provider p = pkg.providers.get(i); 5176 if (p.info.authority != null) { 5177 String names[] = p.info.authority.split(";"); 5178 for (int j = 0; j < names.length; j++) { 5179 if (mProvidersByAuthority.containsKey(names[j])) { 5180 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5181 Slog.w(TAG, "Can't install because provider name " + names[j] + 5182 " (in package " + pkg.applicationInfo.packageName + 5183 ") is already used by " 5184 + ((other != null && other.getComponentName() != null) 5185 ? other.getComponentName().getPackageName() : "?")); 5186 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5187 return null; 5188 } 5189 } 5190 } 5191 } 5192 } 5193 5194 if (pkg.mAdoptPermissions != null) { 5195 // This package wants to adopt ownership of permissions from 5196 // another package. 5197 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5198 final String origName = pkg.mAdoptPermissions.get(i); 5199 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5200 if (orig != null) { 5201 if (verifyPackageUpdateLPr(orig, pkg)) { 5202 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5203 + pkg.packageName); 5204 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5205 } 5206 } 5207 } 5208 } 5209 } 5210 5211 final String pkgName = pkg.packageName; 5212 5213 final long scanFileTime = scanFile.lastModified(); 5214 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5215 pkg.applicationInfo.processName = fixProcessName( 5216 pkg.applicationInfo.packageName, 5217 pkg.applicationInfo.processName, 5218 pkg.applicationInfo.uid); 5219 5220 File dataPath; 5221 if (mPlatformPackage == pkg) { 5222 // The system package is special. 5223 dataPath = new File (Environment.getDataDirectory(), "system"); 5224 pkg.applicationInfo.dataDir = dataPath.getPath(); 5225 } else { 5226 // This is a normal package, need to make its data directory. 5227 dataPath = getDataPathForPackage(pkg.packageName, 0); 5228 5229 boolean uidError = false; 5230 5231 if (dataPath.exists()) { 5232 int currentUid = 0; 5233 try { 5234 StructStat stat = Os.stat(dataPath.getPath()); 5235 currentUid = stat.st_uid; 5236 } catch (ErrnoException e) { 5237 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5238 } 5239 5240 // If we have mismatched owners for the data path, we have a problem. 5241 if (currentUid != pkg.applicationInfo.uid) { 5242 boolean recovered = false; 5243 if (currentUid == 0) { 5244 // The directory somehow became owned by root. Wow. 5245 // This is probably because the system was stopped while 5246 // installd was in the middle of messing with its libs 5247 // directory. Ask installd to fix that. 5248 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5249 pkg.applicationInfo.uid); 5250 if (ret >= 0) { 5251 recovered = true; 5252 String msg = "Package " + pkg.packageName 5253 + " unexpectedly changed to uid 0; recovered to " + 5254 + pkg.applicationInfo.uid; 5255 reportSettingsProblem(Log.WARN, msg); 5256 } 5257 } 5258 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5259 || (scanMode&SCAN_BOOTING) != 0)) { 5260 // If this is a system app, we can at least delete its 5261 // current data so the application will still work. 5262 int ret = removeDataDirsLI(pkgName); 5263 if (ret >= 0) { 5264 // TODO: Kill the processes first 5265 // Old data gone! 5266 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5267 ? "System package " : "Third party package "; 5268 String msg = prefix + pkg.packageName 5269 + " has changed from uid: " 5270 + currentUid + " to " 5271 + pkg.applicationInfo.uid + "; old data erased"; 5272 reportSettingsProblem(Log.WARN, msg); 5273 recovered = true; 5274 5275 // And now re-install the app. 5276 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5277 pkg.applicationInfo.seinfo); 5278 if (ret == -1) { 5279 // Ack should not happen! 5280 msg = prefix + pkg.packageName 5281 + " could not have data directory re-created after delete."; 5282 reportSettingsProblem(Log.WARN, msg); 5283 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5284 return null; 5285 } 5286 } 5287 if (!recovered) { 5288 mHasSystemUidErrors = true; 5289 } 5290 } else if (!recovered) { 5291 // If we allow this install to proceed, we will be broken. 5292 // Abort, abort! 5293 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5294 return null; 5295 } 5296 if (!recovered) { 5297 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5298 + pkg.applicationInfo.uid + "/fs_" 5299 + currentUid; 5300 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5301 String msg = "Package " + pkg.packageName 5302 + " has mismatched uid: " 5303 + currentUid + " on disk, " 5304 + pkg.applicationInfo.uid + " in settings"; 5305 // writer 5306 synchronized (mPackages) { 5307 mSettings.mReadMessages.append(msg); 5308 mSettings.mReadMessages.append('\n'); 5309 uidError = true; 5310 if (!pkgSetting.uidError) { 5311 reportSettingsProblem(Log.ERROR, msg); 5312 } 5313 } 5314 } 5315 } 5316 pkg.applicationInfo.dataDir = dataPath.getPath(); 5317 if (mShouldRestoreconData) { 5318 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5319 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5320 pkg.applicationInfo.uid); 5321 } 5322 } else { 5323 if (DEBUG_PACKAGE_SCANNING) { 5324 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5325 Log.v(TAG, "Want this data dir: " + dataPath); 5326 } 5327 //invoke installer to do the actual installation 5328 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5329 pkg.applicationInfo.seinfo); 5330 if (ret < 0) { 5331 // Error from installer 5332 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5333 return null; 5334 } 5335 5336 if (dataPath.exists()) { 5337 pkg.applicationInfo.dataDir = dataPath.getPath(); 5338 } else { 5339 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5340 pkg.applicationInfo.dataDir = null; 5341 } 5342 } 5343 5344 /* 5345 * Set the data dir to the default "/data/data/<package name>/lib" 5346 * if we got here without anyone telling us different (e.g., apps 5347 * stored on SD card have their native libraries stored in the ASEC 5348 * container with the APK). 5349 * 5350 * This happens during an upgrade from a package settings file that 5351 * doesn't have a native library path attribute at all. 5352 */ 5353 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5354 if (pkgSetting.nativeLibraryPathString == null) { 5355 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5356 } else { 5357 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5358 } 5359 } 5360 pkgSetting.uidError = uidError; 5361 } 5362 5363 final String path = scanFile.getPath(); 5364 /* Note: We don't want to unpack the native binaries for 5365 * system applications, unless they have been updated 5366 * (the binaries are already under /system/lib). 5367 * Also, don't unpack libs for apps on the external card 5368 * since they should have their libraries in the ASEC 5369 * container already. 5370 * 5371 * In other words, we're going to unpack the binaries 5372 * only for non-system apps and system app upgrades. 5373 */ 5374 if (pkg.applicationInfo.nativeLibraryDir != null) { 5375 // TODO: extend to extract native code from split APKs 5376 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5377 try { 5378 // Enable gross and lame hacks for apps that are built with old 5379 // SDK tools. We must scan their APKs for renderscript bitcode and 5380 // not launch them if it's present. Don't bother checking on devices 5381 // that don't have 64 bit support. 5382 String[] abiList = Build.SUPPORTED_ABIS; 5383 boolean hasLegacyRenderscriptBitcode = false; 5384 if (abiOverride != null) { 5385 abiList = new String[] { abiOverride }; 5386 } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 5387 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5388 abiList = Build.SUPPORTED_32_BIT_ABIS; 5389 hasLegacyRenderscriptBitcode = true; 5390 } 5391 5392 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5393 final String dataPathString = dataPath.getCanonicalPath(); 5394 5395 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5396 /* 5397 * Upgrading from a previous version of the OS sometimes 5398 * leaves native libraries in the /data/data/<app>/lib 5399 * directory for system apps even when they shouldn't be. 5400 * Recent changes in the JNI library search path 5401 * necessitates we remove those to match previous behavior. 5402 */ 5403 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5404 Log.i(TAG, "removed obsolete native libraries for system package " 5405 + path); 5406 } 5407 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5408 pkg.applicationInfo.cpuAbi = abiList[0]; 5409 pkgSetting.cpuAbiString = abiList[0]; 5410 } else { 5411 setInternalAppAbi(pkg, pkgSetting); 5412 } 5413 } else { 5414 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5415 /* 5416 * Update native library dir if it starts with 5417 * /data/data 5418 */ 5419 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5420 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5421 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5422 } 5423 5424 try { 5425 int copyRet = copyNativeLibrariesForInternalApp(handle, 5426 nativeLibraryDir, abiList); 5427 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5428 Slog.e(TAG, "Unable to copy native libraries"); 5429 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5430 return null; 5431 } 5432 5433 // We've successfully copied native libraries across, so we make a 5434 // note of what ABI we're using 5435 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5436 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5437 } else if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5438 pkg.applicationInfo.cpuAbi = abiList[0]; 5439 } else { 5440 pkg.applicationInfo.cpuAbi = null; 5441 } 5442 } catch (IOException e) { 5443 Slog.e(TAG, "Unable to copy native libraries", e); 5444 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5445 return null; 5446 } 5447 } else { 5448 // We don't have to copy the shared libraries if we're in the ASEC container 5449 // but we still need to scan the file to figure out what ABI the app needs. 5450 // 5451 // TODO: This duplicates work done in the default container service. It's possible 5452 // to clean this up but we'll need to change the interface between this service 5453 // and IMediaContainerService (but doing so will spread this logic out, rather 5454 // than centralizing it). 5455 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5456 if (abi >= 0) { 5457 pkg.applicationInfo.cpuAbi = abiList[abi]; 5458 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5459 // Note that (non upgraded) system apps will not have any native 5460 // libraries bundled in their APK, but we're guaranteed not to be 5461 // such an app at this point. 5462 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5463 pkg.applicationInfo.cpuAbi = abiList[0]; 5464 } else { 5465 pkg.applicationInfo.cpuAbi = null; 5466 } 5467 } else { 5468 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5469 return null; 5470 } 5471 } 5472 5473 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5474 final int[] userIds = sUserManager.getUserIds(); 5475 synchronized (mInstallLock) { 5476 for (int userId : userIds) { 5477 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5478 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5479 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5480 + ")"); 5481 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5482 return null; 5483 } 5484 } 5485 } 5486 } 5487 5488 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5489 } catch (IOException ioe) { 5490 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5491 } finally { 5492 handle.close(); 5493 } 5494 } 5495 5496 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5497 // We don't do this here during boot because we can do it all 5498 // at once after scanning all existing packages. 5499 // 5500 // We also do this *before* we perform dexopt on this package, so that 5501 // we can avoid redundant dexopts, and also to make sure we've got the 5502 // code and package path correct. 5503 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5504 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5505 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5506 return null; 5507 } 5508 } 5509 5510 if ((scanMode&SCAN_NO_DEX) == 0) { 5511 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5512 == DEX_OPT_FAILED) { 5513 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5514 removeDataDirsLI(pkg.packageName); 5515 } 5516 5517 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5518 return null; 5519 } 5520 } 5521 5522 if (mFactoryTest && pkg.requestedPermissions.contains( 5523 android.Manifest.permission.FACTORY_TEST)) { 5524 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5525 } 5526 5527 ArrayList<PackageParser.Package> clientLibPkgs = null; 5528 5529 // writer 5530 synchronized (mPackages) { 5531 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5532 // Only system apps can add new shared libraries. 5533 if (pkg.libraryNames != null) { 5534 for (int i=0; i<pkg.libraryNames.size(); i++) { 5535 String name = pkg.libraryNames.get(i); 5536 boolean allowed = false; 5537 if (isUpdatedSystemApp(pkg)) { 5538 // New library entries can only be added through the 5539 // system image. This is important to get rid of a lot 5540 // of nasty edge cases: for example if we allowed a non- 5541 // system update of the app to add a library, then uninstalling 5542 // the update would make the library go away, and assumptions 5543 // we made such as through app install filtering would now 5544 // have allowed apps on the device which aren't compatible 5545 // with it. Better to just have the restriction here, be 5546 // conservative, and create many fewer cases that can negatively 5547 // impact the user experience. 5548 final PackageSetting sysPs = mSettings 5549 .getDisabledSystemPkgLPr(pkg.packageName); 5550 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5551 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5552 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5553 allowed = true; 5554 allowed = true; 5555 break; 5556 } 5557 } 5558 } 5559 } else { 5560 allowed = true; 5561 } 5562 if (allowed) { 5563 if (!mSharedLibraries.containsKey(name)) { 5564 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5565 } else if (!name.equals(pkg.packageName)) { 5566 Slog.w(TAG, "Package " + pkg.packageName + " library " 5567 + name + " already exists; skipping"); 5568 } 5569 } else { 5570 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5571 + name + " that is not declared on system image; skipping"); 5572 } 5573 } 5574 if ((scanMode&SCAN_BOOTING) == 0) { 5575 // If we are not booting, we need to update any applications 5576 // that are clients of our shared library. If we are booting, 5577 // this will all be done once the scan is complete. 5578 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5579 } 5580 } 5581 } 5582 } 5583 5584 // We also need to dexopt any apps that are dependent on this library. Note that 5585 // if these fail, we should abort the install since installing the library will 5586 // result in some apps being broken. 5587 if (clientLibPkgs != null) { 5588 if ((scanMode&SCAN_NO_DEX) == 0) { 5589 for (int i=0; i<clientLibPkgs.size(); i++) { 5590 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5591 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5592 == DEX_OPT_FAILED) { 5593 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5594 removeDataDirsLI(pkg.packageName); 5595 } 5596 5597 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5598 return null; 5599 } 5600 } 5601 } 5602 } 5603 5604 // Request the ActivityManager to kill the process(only for existing packages) 5605 // so that we do not end up in a confused state while the user is still using the older 5606 // version of the application while the new one gets installed. 5607 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5608 // If the package lives in an asec, tell everyone that the container is going 5609 // away so they can clean up any references to its resources (which would prevent 5610 // vold from being able to unmount the asec) 5611 if (isForwardLocked(pkg) || isExternal(pkg)) { 5612 if (DEBUG_INSTALL) { 5613 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5614 } 5615 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5616 final ArrayList<String> pkgList = new ArrayList<String>(1); 5617 pkgList.add(pkg.applicationInfo.packageName); 5618 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5619 } 5620 5621 // Post the request that it be killed now that the going-away broadcast is en route 5622 killApplication(pkg.applicationInfo.packageName, 5623 pkg.applicationInfo.uid, "update pkg"); 5624 } 5625 5626 // Also need to kill any apps that are dependent on the library. 5627 if (clientLibPkgs != null) { 5628 for (int i=0; i<clientLibPkgs.size(); i++) { 5629 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5630 killApplication(clientPkg.applicationInfo.packageName, 5631 clientPkg.applicationInfo.uid, "update lib"); 5632 } 5633 } 5634 5635 // writer 5636 synchronized (mPackages) { 5637 // We don't expect installation to fail beyond this point, 5638 if ((scanMode&SCAN_MONITOR) != 0) { 5639 mAppDirs.put(pkg.codePath, pkg); 5640 } 5641 // Add the new setting to mSettings 5642 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5643 // Add the new setting to mPackages 5644 mPackages.put(pkg.applicationInfo.packageName, pkg); 5645 // Make sure we don't accidentally delete its data. 5646 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5647 while (iter.hasNext()) { 5648 PackageCleanItem item = iter.next(); 5649 if (pkgName.equals(item.packageName)) { 5650 iter.remove(); 5651 } 5652 } 5653 5654 // Take care of first install / last update times. 5655 if (currentTime != 0) { 5656 if (pkgSetting.firstInstallTime == 0) { 5657 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5658 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5659 pkgSetting.lastUpdateTime = currentTime; 5660 } 5661 } else if (pkgSetting.firstInstallTime == 0) { 5662 // We need *something*. Take time time stamp of the file. 5663 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5664 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5665 if (scanFileTime != pkgSetting.timeStamp) { 5666 // A package on the system image has changed; consider this 5667 // to be an update. 5668 pkgSetting.lastUpdateTime = scanFileTime; 5669 } 5670 } 5671 5672 // Add the package's KeySets to the global KeySetManager 5673 KeySetManager ksm = mSettings.mKeySetManager; 5674 try { 5675 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5676 if (pkg.mKeySetMapping != null) { 5677 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5678 if (entry.getValue() != null) { 5679 ksm.addDefinedKeySetToPackage(pkg.packageName, 5680 entry.getValue(), entry.getKey()); 5681 } 5682 } 5683 } 5684 } catch (NullPointerException e) { 5685 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5686 } catch (IllegalArgumentException e) { 5687 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5688 } 5689 5690 int N = pkg.providers.size(); 5691 StringBuilder r = null; 5692 int i; 5693 for (i=0; i<N; i++) { 5694 PackageParser.Provider p = pkg.providers.get(i); 5695 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5696 p.info.processName, pkg.applicationInfo.uid); 5697 mProviders.addProvider(p); 5698 p.syncable = p.info.isSyncable; 5699 if (p.info.authority != null) { 5700 String names[] = p.info.authority.split(";"); 5701 p.info.authority = null; 5702 for (int j = 0; j < names.length; j++) { 5703 if (j == 1 && p.syncable) { 5704 // We only want the first authority for a provider to possibly be 5705 // syncable, so if we already added this provider using a different 5706 // authority clear the syncable flag. We copy the provider before 5707 // changing it because the mProviders object contains a reference 5708 // to a provider that we don't want to change. 5709 // Only do this for the second authority since the resulting provider 5710 // object can be the same for all future authorities for this provider. 5711 p = new PackageParser.Provider(p); 5712 p.syncable = false; 5713 } 5714 if (!mProvidersByAuthority.containsKey(names[j])) { 5715 mProvidersByAuthority.put(names[j], p); 5716 if (p.info.authority == null) { 5717 p.info.authority = names[j]; 5718 } else { 5719 p.info.authority = p.info.authority + ";" + names[j]; 5720 } 5721 if (DEBUG_PACKAGE_SCANNING) { 5722 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5723 Log.d(TAG, "Registered content provider: " + names[j] 5724 + ", className = " + p.info.name + ", isSyncable = " 5725 + p.info.isSyncable); 5726 } 5727 } else { 5728 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5729 Slog.w(TAG, "Skipping provider name " + names[j] + 5730 " (in package " + pkg.applicationInfo.packageName + 5731 "): name already used by " 5732 + ((other != null && other.getComponentName() != null) 5733 ? other.getComponentName().getPackageName() : "?")); 5734 } 5735 } 5736 } 5737 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5738 if (r == null) { 5739 r = new StringBuilder(256); 5740 } else { 5741 r.append(' '); 5742 } 5743 r.append(p.info.name); 5744 } 5745 } 5746 if (r != null) { 5747 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5748 } 5749 5750 N = pkg.services.size(); 5751 r = null; 5752 for (i=0; i<N; i++) { 5753 PackageParser.Service s = pkg.services.get(i); 5754 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5755 s.info.processName, pkg.applicationInfo.uid); 5756 mServices.addService(s); 5757 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5758 if (r == null) { 5759 r = new StringBuilder(256); 5760 } else { 5761 r.append(' '); 5762 } 5763 r.append(s.info.name); 5764 } 5765 } 5766 if (r != null) { 5767 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5768 } 5769 5770 N = pkg.receivers.size(); 5771 r = null; 5772 for (i=0; i<N; i++) { 5773 PackageParser.Activity a = pkg.receivers.get(i); 5774 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5775 a.info.processName, pkg.applicationInfo.uid); 5776 mReceivers.addActivity(a, "receiver"); 5777 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5778 if (r == null) { 5779 r = new StringBuilder(256); 5780 } else { 5781 r.append(' '); 5782 } 5783 r.append(a.info.name); 5784 } 5785 } 5786 if (r != null) { 5787 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5788 } 5789 5790 N = pkg.activities.size(); 5791 r = null; 5792 for (i=0; i<N; i++) { 5793 PackageParser.Activity a = pkg.activities.get(i); 5794 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5795 a.info.processName, pkg.applicationInfo.uid); 5796 mActivities.addActivity(a, "activity"); 5797 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5798 if (r == null) { 5799 r = new StringBuilder(256); 5800 } else { 5801 r.append(' '); 5802 } 5803 r.append(a.info.name); 5804 } 5805 } 5806 if (r != null) { 5807 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5808 } 5809 5810 N = pkg.permissionGroups.size(); 5811 r = null; 5812 for (i=0; i<N; i++) { 5813 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5814 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5815 if (cur == null) { 5816 mPermissionGroups.put(pg.info.name, pg); 5817 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5818 if (r == null) { 5819 r = new StringBuilder(256); 5820 } else { 5821 r.append(' '); 5822 } 5823 r.append(pg.info.name); 5824 } 5825 } else { 5826 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5827 + pg.info.packageName + " ignored: original from " 5828 + cur.info.packageName); 5829 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5830 if (r == null) { 5831 r = new StringBuilder(256); 5832 } else { 5833 r.append(' '); 5834 } 5835 r.append("DUP:"); 5836 r.append(pg.info.name); 5837 } 5838 } 5839 } 5840 if (r != null) { 5841 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5842 } 5843 5844 N = pkg.permissions.size(); 5845 r = null; 5846 for (i=0; i<N; i++) { 5847 PackageParser.Permission p = pkg.permissions.get(i); 5848 HashMap<String, BasePermission> permissionMap = 5849 p.tree ? mSettings.mPermissionTrees 5850 : mSettings.mPermissions; 5851 p.group = mPermissionGroups.get(p.info.group); 5852 if (p.info.group == null || p.group != null) { 5853 BasePermission bp = permissionMap.get(p.info.name); 5854 if (bp == null) { 5855 bp = new BasePermission(p.info.name, p.info.packageName, 5856 BasePermission.TYPE_NORMAL); 5857 permissionMap.put(p.info.name, bp); 5858 } 5859 if (bp.perm == null) { 5860 if (bp.sourcePackage != null 5861 && !bp.sourcePackage.equals(p.info.packageName)) { 5862 // If this is a permission that was formerly defined by a non-system 5863 // app, but is now defined by a system app (following an upgrade), 5864 // discard the previous declaration and consider the system's to be 5865 // canonical. 5866 if (isSystemApp(p.owner)) { 5867 String msg = "New decl " + p.owner + " of permission " 5868 + p.info.name + " is system"; 5869 reportSettingsProblem(Log.WARN, msg); 5870 bp.sourcePackage = null; 5871 } 5872 } 5873 if (bp.sourcePackage == null 5874 || bp.sourcePackage.equals(p.info.packageName)) { 5875 BasePermission tree = findPermissionTreeLP(p.info.name); 5876 if (tree == null 5877 || tree.sourcePackage.equals(p.info.packageName)) { 5878 bp.packageSetting = pkgSetting; 5879 bp.perm = p; 5880 bp.uid = pkg.applicationInfo.uid; 5881 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5882 if (r == null) { 5883 r = new StringBuilder(256); 5884 } else { 5885 r.append(' '); 5886 } 5887 r.append(p.info.name); 5888 } 5889 } else { 5890 Slog.w(TAG, "Permission " + p.info.name + " from package " 5891 + p.info.packageName + " ignored: base tree " 5892 + tree.name + " is from package " 5893 + tree.sourcePackage); 5894 } 5895 } else { 5896 Slog.w(TAG, "Permission " + p.info.name + " from package " 5897 + p.info.packageName + " ignored: original from " 5898 + bp.sourcePackage); 5899 } 5900 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5901 if (r == null) { 5902 r = new StringBuilder(256); 5903 } else { 5904 r.append(' '); 5905 } 5906 r.append("DUP:"); 5907 r.append(p.info.name); 5908 } 5909 if (bp.perm == p) { 5910 bp.protectionLevel = p.info.protectionLevel; 5911 } 5912 } else { 5913 Slog.w(TAG, "Permission " + p.info.name + " from package " 5914 + p.info.packageName + " ignored: no group " 5915 + p.group); 5916 } 5917 } 5918 if (r != null) { 5919 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5920 } 5921 5922 N = pkg.instrumentation.size(); 5923 r = null; 5924 for (i=0; i<N; i++) { 5925 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5926 a.info.packageName = pkg.applicationInfo.packageName; 5927 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5928 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5929 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 5930 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 5931 a.info.dataDir = pkg.applicationInfo.dataDir; 5932 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5933 mInstrumentation.put(a.getComponentName(), a); 5934 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5935 if (r == null) { 5936 r = new StringBuilder(256); 5937 } else { 5938 r.append(' '); 5939 } 5940 r.append(a.info.name); 5941 } 5942 } 5943 if (r != null) { 5944 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5945 } 5946 5947 if (pkg.protectedBroadcasts != null) { 5948 N = pkg.protectedBroadcasts.size(); 5949 for (i=0; i<N; i++) { 5950 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5951 } 5952 } 5953 5954 pkgSetting.setTimeStamp(scanFileTime); 5955 5956 // Create idmap files for pairs of (packages, overlay packages). 5957 // Note: "android", ie framework-res.apk, is handled by native layers. 5958 if (pkg.mOverlayTarget != null) { 5959 // This is an overlay package. 5960 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5961 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5962 mOverlays.put(pkg.mOverlayTarget, 5963 new HashMap<String, PackageParser.Package>()); 5964 } 5965 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5966 map.put(pkg.packageName, pkg); 5967 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5968 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5969 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5970 return null; 5971 } 5972 } 5973 } else if (mOverlays.containsKey(pkg.packageName) && 5974 !pkg.packageName.equals("android")) { 5975 // This is a regular package, with one or more known overlay packages. 5976 createIdmapsForPackageLI(pkg); 5977 } 5978 } 5979 5980 return pkg; 5981 } 5982 5983 /** 5984 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 5985 * i.e, so that all packages can be run inside a single process if required. 5986 * 5987 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 5988 * this function will either try and make the ABI for all packages in {@code packagesForUser} 5989 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 5990 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 5991 * updating a package that belongs to a shared user. 5992 */ 5993 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5994 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 5995 String requiredInstructionSet = null; 5996 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 5997 requiredInstructionSet = VMRuntime.getInstructionSet( 5998 scannedPackage.applicationInfo.cpuAbi); 5999 } 6000 6001 PackageSetting requirer = null; 6002 for (PackageSetting ps : packagesForUser) { 6003 // If packagesForUser contains scannedPackage, we skip it. This will happen 6004 // when scannedPackage is an update of an existing package. Without this check, 6005 // we will never be able to change the ABI of any package belonging to a shared 6006 // user, even if it's compatible with other packages. 6007 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 6008 if (ps.cpuAbiString == null) { 6009 continue; 6010 } 6011 6012 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 6013 if (requiredInstructionSet != null) { 6014 if (!instructionSet.equals(requiredInstructionSet)) { 6015 // We have a mismatch between instruction sets (say arm vs arm64). 6016 // bail out. 6017 String errorMessage = "Instruction set mismatch, " 6018 + ((requirer == null) ? "[caller]" : requirer) 6019 + " requires " + requiredInstructionSet + " whereas " + ps 6020 + " requires " + instructionSet; 6021 Slog.e(TAG, errorMessage); 6022 6023 reportSettingsProblem(Log.WARN, errorMessage); 6024 // Give up, don't bother making any other changes to the package settings. 6025 return false; 6026 } 6027 } else { 6028 requiredInstructionSet = instructionSet; 6029 requirer = ps; 6030 } 6031 } 6032 } 6033 6034 if (requiredInstructionSet != null) { 6035 String adjustedAbi; 6036 if (requirer != null) { 6037 // requirer != null implies that either scannedPackage was null or that scannedPackage 6038 // did not require an ABI, in which case we have to adjust scannedPackage to match 6039 // the ABI of the set (which is the same as requirer's ABI) 6040 adjustedAbi = requirer.cpuAbiString; 6041 if (scannedPackage != null) { 6042 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 6043 } 6044 } else { 6045 // requirer == null implies that we're updating all ABIs in the set to 6046 // match scannedPackage. 6047 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 6048 } 6049 6050 for (PackageSetting ps : packagesForUser) { 6051 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6052 if (ps.cpuAbiString != null) { 6053 continue; 6054 } 6055 6056 ps.cpuAbiString = adjustedAbi; 6057 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6058 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 6059 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6060 6061 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6062 ps.cpuAbiString = null; 6063 ps.pkg.applicationInfo.cpuAbi = null; 6064 return false; 6065 } else { 6066 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6067 } 6068 } 6069 } 6070 } 6071 } 6072 6073 return true; 6074 } 6075 6076 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6077 synchronized (mPackages) { 6078 mResolverReplaced = true; 6079 // Set up information for custom user intent resolution activity. 6080 mResolveActivity.applicationInfo = pkg.applicationInfo; 6081 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6082 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6083 mResolveActivity.processName = null; 6084 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6085 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6086 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6087 mResolveActivity.theme = 0; 6088 mResolveActivity.exported = true; 6089 mResolveActivity.enabled = true; 6090 mResolveInfo.activityInfo = mResolveActivity; 6091 mResolveInfo.priority = 0; 6092 mResolveInfo.preferredOrder = 0; 6093 mResolveInfo.match = 0; 6094 mResolveComponentName = mCustomResolverComponentName; 6095 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6096 mResolveComponentName); 6097 } 6098 } 6099 6100 private String calculateApkRoot(final String codePathString) { 6101 final File codePath = new File(codePathString); 6102 final File codeRoot; 6103 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6104 codeRoot = Environment.getRootDirectory(); 6105 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6106 codeRoot = Environment.getOemDirectory(); 6107 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6108 codeRoot = Environment.getVendorDirectory(); 6109 } else { 6110 // Unrecognized code path; take its top real segment as the apk root: 6111 // e.g. /something/app/blah.apk => /something 6112 try { 6113 File f = codePath.getCanonicalFile(); 6114 File parent = f.getParentFile(); // non-null because codePath is a file 6115 File tmp; 6116 while ((tmp = parent.getParentFile()) != null) { 6117 f = parent; 6118 parent = tmp; 6119 } 6120 codeRoot = f; 6121 Slog.w(TAG, "Unrecognized code path " 6122 + codePath + " - using " + codeRoot); 6123 } catch (IOException e) { 6124 // Can't canonicalize the lib path -- shenanigans? 6125 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6126 return Environment.getRootDirectory().getPath(); 6127 } 6128 } 6129 return codeRoot.getPath(); 6130 } 6131 6132 // This is the initial scan-time determination of how to handle a given 6133 // package for purposes of native library location. 6134 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6135 PackageSetting pkgSetting) { 6136 // "bundled" here means system-installed with no overriding update 6137 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6138 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6139 final File libDir; 6140 if (bundledApk) { 6141 // If "/system/lib64/apkname" exists, assume that is the per-package 6142 // native library directory to use; otherwise use "/system/lib/apkname". 6143 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6144 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6145 File packLib64 = new File(lib64, apkName); 6146 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6147 } else { 6148 libDir = mAppLibInstallDir; 6149 } 6150 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6151 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6152 // pkgSetting might be null during rescan following uninstall of updates 6153 // to a bundled app, so accommodate that possibility. The settings in 6154 // that case will be established later from the parsed package. 6155 if (pkgSetting != null) { 6156 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6157 } 6158 } 6159 6160 // Deduces the required ABI of an upgraded system app. 6161 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6162 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6163 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6164 6165 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6166 // or similar. 6167 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6168 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6169 6170 // Assume that the bundled native libraries always correspond to the 6171 // most preferred 32 or 64 bit ABI. 6172 if (lib64.exists()) { 6173 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6174 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6175 } else if (lib.exists()) { 6176 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6177 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6178 } else { 6179 // This is the case where the app has no native code. 6180 pkg.applicationInfo.cpuAbi = null; 6181 pkgSetting.cpuAbiString = null; 6182 } 6183 } 6184 6185 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 6186 final File nativeLibraryDir, String[] abiList) throws IOException { 6187 if (!nativeLibraryDir.isDirectory()) { 6188 nativeLibraryDir.delete(); 6189 6190 if (!nativeLibraryDir.mkdir()) { 6191 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6192 } 6193 6194 try { 6195 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6196 } catch (ErrnoException e) { 6197 throw new IOException("Cannot chmod native library directory " 6198 + nativeLibraryDir.getPath(), e); 6199 } 6200 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6201 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6202 } 6203 6204 /* 6205 * If this is an internal application or our nativeLibraryPath points to 6206 * the app-lib directory, unpack the libraries if necessary. 6207 */ 6208 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6209 if (abi >= 0) { 6210 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6211 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6212 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6213 return copyRet; 6214 } 6215 } 6216 6217 return abi; 6218 } 6219 6220 private void killApplication(String pkgName, int appId, String reason) { 6221 // Request the ActivityManager to kill the process(only for existing packages) 6222 // so that we do not end up in a confused state while the user is still using the older 6223 // version of the application while the new one gets installed. 6224 IActivityManager am = ActivityManagerNative.getDefault(); 6225 if (am != null) { 6226 try { 6227 am.killApplicationWithAppId(pkgName, appId, reason); 6228 } catch (RemoteException e) { 6229 } 6230 } 6231 } 6232 6233 void removePackageLI(PackageSetting ps, boolean chatty) { 6234 if (DEBUG_INSTALL) { 6235 if (chatty) 6236 Log.d(TAG, "Removing package " + ps.name); 6237 } 6238 6239 // writer 6240 synchronized (mPackages) { 6241 mPackages.remove(ps.name); 6242 if (ps.codePathString != null) { 6243 mAppDirs.remove(ps.codePathString); 6244 } 6245 6246 final PackageParser.Package pkg = ps.pkg; 6247 if (pkg != null) { 6248 cleanPackageDataStructuresLILPw(pkg, chatty); 6249 } 6250 } 6251 } 6252 6253 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6254 if (DEBUG_INSTALL) { 6255 if (chatty) 6256 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6257 } 6258 6259 // writer 6260 synchronized (mPackages) { 6261 mPackages.remove(pkg.applicationInfo.packageName); 6262 if (pkg.codePath != null) { 6263 mAppDirs.remove(pkg.codePath); 6264 } 6265 cleanPackageDataStructuresLILPw(pkg, chatty); 6266 } 6267 } 6268 6269 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6270 int N = pkg.providers.size(); 6271 StringBuilder r = null; 6272 int i; 6273 for (i=0; i<N; i++) { 6274 PackageParser.Provider p = pkg.providers.get(i); 6275 mProviders.removeProvider(p); 6276 if (p.info.authority == null) { 6277 6278 /* There was another ContentProvider with this authority when 6279 * this app was installed so this authority is null, 6280 * Ignore it as we don't have to unregister the provider. 6281 */ 6282 continue; 6283 } 6284 String names[] = p.info.authority.split(";"); 6285 for (int j = 0; j < names.length; j++) { 6286 if (mProvidersByAuthority.get(names[j]) == p) { 6287 mProvidersByAuthority.remove(names[j]); 6288 if (DEBUG_REMOVE) { 6289 if (chatty) 6290 Log.d(TAG, "Unregistered content provider: " + names[j] 6291 + ", className = " + p.info.name + ", isSyncable = " 6292 + p.info.isSyncable); 6293 } 6294 } 6295 } 6296 if (DEBUG_REMOVE && chatty) { 6297 if (r == null) { 6298 r = new StringBuilder(256); 6299 } else { 6300 r.append(' '); 6301 } 6302 r.append(p.info.name); 6303 } 6304 } 6305 if (r != null) { 6306 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6307 } 6308 6309 N = pkg.services.size(); 6310 r = null; 6311 for (i=0; i<N; i++) { 6312 PackageParser.Service s = pkg.services.get(i); 6313 mServices.removeService(s); 6314 if (chatty) { 6315 if (r == null) { 6316 r = new StringBuilder(256); 6317 } else { 6318 r.append(' '); 6319 } 6320 r.append(s.info.name); 6321 } 6322 } 6323 if (r != null) { 6324 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6325 } 6326 6327 N = pkg.receivers.size(); 6328 r = null; 6329 for (i=0; i<N; i++) { 6330 PackageParser.Activity a = pkg.receivers.get(i); 6331 mReceivers.removeActivity(a, "receiver"); 6332 if (DEBUG_REMOVE && chatty) { 6333 if (r == null) { 6334 r = new StringBuilder(256); 6335 } else { 6336 r.append(' '); 6337 } 6338 r.append(a.info.name); 6339 } 6340 } 6341 if (r != null) { 6342 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6343 } 6344 6345 N = pkg.activities.size(); 6346 r = null; 6347 for (i=0; i<N; i++) { 6348 PackageParser.Activity a = pkg.activities.get(i); 6349 mActivities.removeActivity(a, "activity"); 6350 if (DEBUG_REMOVE && chatty) { 6351 if (r == null) { 6352 r = new StringBuilder(256); 6353 } else { 6354 r.append(' '); 6355 } 6356 r.append(a.info.name); 6357 } 6358 } 6359 if (r != null) { 6360 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6361 } 6362 6363 N = pkg.permissions.size(); 6364 r = null; 6365 for (i=0; i<N; i++) { 6366 PackageParser.Permission p = pkg.permissions.get(i); 6367 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6368 if (bp == null) { 6369 bp = mSettings.mPermissionTrees.get(p.info.name); 6370 } 6371 if (bp != null && bp.perm == p) { 6372 bp.perm = null; 6373 if (DEBUG_REMOVE && chatty) { 6374 if (r == null) { 6375 r = new StringBuilder(256); 6376 } else { 6377 r.append(' '); 6378 } 6379 r.append(p.info.name); 6380 } 6381 } 6382 } 6383 if (r != null) { 6384 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6385 } 6386 6387 N = pkg.instrumentation.size(); 6388 r = null; 6389 for (i=0; i<N; i++) { 6390 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6391 mInstrumentation.remove(a.getComponentName()); 6392 if (DEBUG_REMOVE && chatty) { 6393 if (r == null) { 6394 r = new StringBuilder(256); 6395 } else { 6396 r.append(' '); 6397 } 6398 r.append(a.info.name); 6399 } 6400 } 6401 if (r != null) { 6402 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6403 } 6404 6405 r = null; 6406 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6407 // Only system apps can hold shared libraries. 6408 if (pkg.libraryNames != null) { 6409 for (i=0; i<pkg.libraryNames.size(); i++) { 6410 String name = pkg.libraryNames.get(i); 6411 SharedLibraryEntry cur = mSharedLibraries.get(name); 6412 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6413 mSharedLibraries.remove(name); 6414 if (DEBUG_REMOVE && chatty) { 6415 if (r == null) { 6416 r = new StringBuilder(256); 6417 } else { 6418 r.append(' '); 6419 } 6420 r.append(name); 6421 } 6422 } 6423 } 6424 } 6425 } 6426 if (r != null) { 6427 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6428 } 6429 } 6430 6431 private static final boolean isPackageFilename(String name) { 6432 return name != null && name.endsWith(".apk"); 6433 } 6434 6435 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6436 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6437 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6438 return true; 6439 } 6440 } 6441 return false; 6442 } 6443 6444 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6445 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6446 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6447 6448 private void updatePermissionsLPw(String changingPkg, 6449 PackageParser.Package pkgInfo, int flags) { 6450 // Make sure there are no dangling permission trees. 6451 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6452 while (it.hasNext()) { 6453 final BasePermission bp = it.next(); 6454 if (bp.packageSetting == null) { 6455 // We may not yet have parsed the package, so just see if 6456 // we still know about its settings. 6457 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6458 } 6459 if (bp.packageSetting == null) { 6460 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6461 + " from package " + bp.sourcePackage); 6462 it.remove(); 6463 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6464 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6465 Slog.i(TAG, "Removing old permission tree: " + bp.name 6466 + " from package " + bp.sourcePackage); 6467 flags |= UPDATE_PERMISSIONS_ALL; 6468 it.remove(); 6469 } 6470 } 6471 } 6472 6473 // Make sure all dynamic permissions have been assigned to a package, 6474 // and make sure there are no dangling permissions. 6475 it = mSettings.mPermissions.values().iterator(); 6476 while (it.hasNext()) { 6477 final BasePermission bp = it.next(); 6478 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6479 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6480 + bp.name + " pkg=" + bp.sourcePackage 6481 + " info=" + bp.pendingInfo); 6482 if (bp.packageSetting == null && bp.pendingInfo != null) { 6483 final BasePermission tree = findPermissionTreeLP(bp.name); 6484 if (tree != null && tree.perm != null) { 6485 bp.packageSetting = tree.packageSetting; 6486 bp.perm = new PackageParser.Permission(tree.perm.owner, 6487 new PermissionInfo(bp.pendingInfo)); 6488 bp.perm.info.packageName = tree.perm.info.packageName; 6489 bp.perm.info.name = bp.name; 6490 bp.uid = tree.uid; 6491 } 6492 } 6493 } 6494 if (bp.packageSetting == null) { 6495 // We may not yet have parsed the package, so just see if 6496 // we still know about its settings. 6497 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6498 } 6499 if (bp.packageSetting == null) { 6500 Slog.w(TAG, "Removing dangling permission: " + bp.name 6501 + " from package " + bp.sourcePackage); 6502 it.remove(); 6503 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6504 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6505 Slog.i(TAG, "Removing old permission: " + bp.name 6506 + " from package " + bp.sourcePackage); 6507 flags |= UPDATE_PERMISSIONS_ALL; 6508 it.remove(); 6509 } 6510 } 6511 } 6512 6513 // Now update the permissions for all packages, in particular 6514 // replace the granted permissions of the system packages. 6515 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6516 for (PackageParser.Package pkg : mPackages.values()) { 6517 if (pkg != pkgInfo) { 6518 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6519 } 6520 } 6521 } 6522 6523 if (pkgInfo != null) { 6524 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6525 } 6526 } 6527 6528 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6529 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6530 if (ps == null) { 6531 return; 6532 } 6533 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6534 HashSet<String> origPermissions = gp.grantedPermissions; 6535 boolean changedPermission = false; 6536 6537 if (replace) { 6538 ps.permissionsFixed = false; 6539 if (gp == ps) { 6540 origPermissions = new HashSet<String>(gp.grantedPermissions); 6541 gp.grantedPermissions.clear(); 6542 gp.gids = mGlobalGids; 6543 } 6544 } 6545 6546 if (gp.gids == null) { 6547 gp.gids = mGlobalGids; 6548 } 6549 6550 final int N = pkg.requestedPermissions.size(); 6551 for (int i=0; i<N; i++) { 6552 final String name = pkg.requestedPermissions.get(i); 6553 final boolean required = pkg.requestedPermissionsRequired.get(i); 6554 final BasePermission bp = mSettings.mPermissions.get(name); 6555 if (DEBUG_INSTALL) { 6556 if (gp != ps) { 6557 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6558 } 6559 } 6560 6561 if (bp == null || bp.packageSetting == null) { 6562 Slog.w(TAG, "Unknown permission " + name 6563 + " in package " + pkg.packageName); 6564 continue; 6565 } 6566 6567 final String perm = bp.name; 6568 boolean allowed; 6569 boolean allowedSig = false; 6570 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6571 if (level == PermissionInfo.PROTECTION_NORMAL 6572 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6573 // We grant a normal or dangerous permission if any of the following 6574 // are true: 6575 // 1) The permission is required 6576 // 2) The permission is optional, but was granted in the past 6577 // 3) The permission is optional, but was requested by an 6578 // app in /system (not /data) 6579 // 6580 // Otherwise, reject the permission. 6581 allowed = (required || origPermissions.contains(perm) 6582 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6583 } else if (bp.packageSetting == null) { 6584 // This permission is invalid; skip it. 6585 allowed = false; 6586 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6587 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6588 if (allowed) { 6589 allowedSig = true; 6590 } 6591 } else { 6592 allowed = false; 6593 } 6594 if (DEBUG_INSTALL) { 6595 if (gp != ps) { 6596 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6597 } 6598 } 6599 if (allowed) { 6600 if (!isSystemApp(ps) && ps.permissionsFixed) { 6601 // If this is an existing, non-system package, then 6602 // we can't add any new permissions to it. 6603 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6604 // Except... if this is a permission that was added 6605 // to the platform (note: need to only do this when 6606 // updating the platform). 6607 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6608 } 6609 } 6610 if (allowed) { 6611 if (!gp.grantedPermissions.contains(perm)) { 6612 changedPermission = true; 6613 gp.grantedPermissions.add(perm); 6614 gp.gids = appendInts(gp.gids, bp.gids); 6615 } else if (!ps.haveGids) { 6616 gp.gids = appendInts(gp.gids, bp.gids); 6617 } 6618 } else { 6619 Slog.w(TAG, "Not granting permission " + perm 6620 + " to package " + pkg.packageName 6621 + " because it was previously installed without"); 6622 } 6623 } else { 6624 if (gp.grantedPermissions.remove(perm)) { 6625 changedPermission = true; 6626 gp.gids = removeInts(gp.gids, bp.gids); 6627 Slog.i(TAG, "Un-granting permission " + perm 6628 + " from package " + pkg.packageName 6629 + " (protectionLevel=" + bp.protectionLevel 6630 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6631 + ")"); 6632 } else { 6633 Slog.w(TAG, "Not granting permission " + perm 6634 + " to package " + pkg.packageName 6635 + " (protectionLevel=" + bp.protectionLevel 6636 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6637 + ")"); 6638 } 6639 } 6640 } 6641 6642 if ((changedPermission || replace) && !ps.permissionsFixed && 6643 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6644 // This is the first that we have heard about this package, so the 6645 // permissions we have now selected are fixed until explicitly 6646 // changed. 6647 ps.permissionsFixed = true; 6648 } 6649 ps.haveGids = true; 6650 } 6651 6652 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6653 boolean allowed = false; 6654 final int NP = PackageParser.NEW_PERMISSIONS.length; 6655 for (int ip=0; ip<NP; ip++) { 6656 final PackageParser.NewPermissionInfo npi 6657 = PackageParser.NEW_PERMISSIONS[ip]; 6658 if (npi.name.equals(perm) 6659 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6660 allowed = true; 6661 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6662 + pkg.packageName); 6663 break; 6664 } 6665 } 6666 return allowed; 6667 } 6668 6669 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6670 BasePermission bp, HashSet<String> origPermissions) { 6671 boolean allowed; 6672 allowed = (compareSignatures( 6673 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6674 == PackageManager.SIGNATURE_MATCH) 6675 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6676 == PackageManager.SIGNATURE_MATCH); 6677 if (!allowed && (bp.protectionLevel 6678 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6679 if (isSystemApp(pkg)) { 6680 // For updated system applications, a system permission 6681 // is granted only if it had been defined by the original application. 6682 if (isUpdatedSystemApp(pkg)) { 6683 final PackageSetting sysPs = mSettings 6684 .getDisabledSystemPkgLPr(pkg.packageName); 6685 final GrantedPermissions origGp = sysPs.sharedUser != null 6686 ? sysPs.sharedUser : sysPs; 6687 6688 if (origGp.grantedPermissions.contains(perm)) { 6689 // If the original was granted this permission, we take 6690 // that grant decision as read and propagate it to the 6691 // update. 6692 allowed = true; 6693 } else { 6694 // The system apk may have been updated with an older 6695 // version of the one on the data partition, but which 6696 // granted a new system permission that it didn't have 6697 // before. In this case we do want to allow the app to 6698 // now get the new permission if the ancestral apk is 6699 // privileged to get it. 6700 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6701 for (int j=0; 6702 j<sysPs.pkg.requestedPermissions.size(); j++) { 6703 if (perm.equals( 6704 sysPs.pkg.requestedPermissions.get(j))) { 6705 allowed = true; 6706 break; 6707 } 6708 } 6709 } 6710 } 6711 } else { 6712 allowed = isPrivilegedApp(pkg); 6713 } 6714 } 6715 } 6716 if (!allowed && (bp.protectionLevel 6717 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6718 // For development permissions, a development permission 6719 // is granted only if it was already granted. 6720 allowed = origPermissions.contains(perm); 6721 } 6722 return allowed; 6723 } 6724 6725 final class ActivityIntentResolver 6726 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6727 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6728 boolean defaultOnly, int userId) { 6729 if (!sUserManager.exists(userId)) return null; 6730 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6731 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6732 } 6733 6734 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6735 int userId) { 6736 if (!sUserManager.exists(userId)) return null; 6737 mFlags = flags; 6738 return super.queryIntent(intent, resolvedType, 6739 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6740 } 6741 6742 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6743 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6744 if (!sUserManager.exists(userId)) return null; 6745 if (packageActivities == null) { 6746 return null; 6747 } 6748 mFlags = flags; 6749 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6750 final int N = packageActivities.size(); 6751 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6752 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6753 6754 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6755 for (int i = 0; i < N; ++i) { 6756 intentFilters = packageActivities.get(i).intents; 6757 if (intentFilters != null && intentFilters.size() > 0) { 6758 PackageParser.ActivityIntentInfo[] array = 6759 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6760 intentFilters.toArray(array); 6761 listCut.add(array); 6762 } 6763 } 6764 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6765 } 6766 6767 public final void addActivity(PackageParser.Activity a, String type) { 6768 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6769 mActivities.put(a.getComponentName(), a); 6770 if (DEBUG_SHOW_INFO) 6771 Log.v( 6772 TAG, " " + type + " " + 6773 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6774 if (DEBUG_SHOW_INFO) 6775 Log.v(TAG, " Class=" + a.info.name); 6776 final int NI = a.intents.size(); 6777 for (int j=0; j<NI; j++) { 6778 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6779 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6780 intent.setPriority(0); 6781 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6782 + a.className + " with priority > 0, forcing to 0"); 6783 } 6784 if (DEBUG_SHOW_INFO) { 6785 Log.v(TAG, " IntentFilter:"); 6786 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6787 } 6788 if (!intent.debugCheck()) { 6789 Log.w(TAG, "==> For Activity " + a.info.name); 6790 } 6791 addFilter(intent); 6792 } 6793 } 6794 6795 public final void removeActivity(PackageParser.Activity a, String type) { 6796 mActivities.remove(a.getComponentName()); 6797 if (DEBUG_SHOW_INFO) { 6798 Log.v(TAG, " " + type + " " 6799 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6800 : a.info.name) + ":"); 6801 Log.v(TAG, " Class=" + a.info.name); 6802 } 6803 final int NI = a.intents.size(); 6804 for (int j=0; j<NI; j++) { 6805 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6806 if (DEBUG_SHOW_INFO) { 6807 Log.v(TAG, " IntentFilter:"); 6808 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6809 } 6810 removeFilter(intent); 6811 } 6812 } 6813 6814 @Override 6815 protected boolean allowFilterResult( 6816 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6817 ActivityInfo filterAi = filter.activity.info; 6818 for (int i=dest.size()-1; i>=0; i--) { 6819 ActivityInfo destAi = dest.get(i).activityInfo; 6820 if (destAi.name == filterAi.name 6821 && destAi.packageName == filterAi.packageName) { 6822 return false; 6823 } 6824 } 6825 return true; 6826 } 6827 6828 @Override 6829 protected ActivityIntentInfo[] newArray(int size) { 6830 return new ActivityIntentInfo[size]; 6831 } 6832 6833 @Override 6834 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6835 if (!sUserManager.exists(userId)) return true; 6836 PackageParser.Package p = filter.activity.owner; 6837 if (p != null) { 6838 PackageSetting ps = (PackageSetting)p.mExtras; 6839 if (ps != null) { 6840 // System apps are never considered stopped for purposes of 6841 // filtering, because there may be no way for the user to 6842 // actually re-launch them. 6843 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6844 && ps.getStopped(userId); 6845 } 6846 } 6847 return false; 6848 } 6849 6850 @Override 6851 protected boolean isPackageForFilter(String packageName, 6852 PackageParser.ActivityIntentInfo info) { 6853 return packageName.equals(info.activity.owner.packageName); 6854 } 6855 6856 @Override 6857 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6858 int match, int userId) { 6859 if (!sUserManager.exists(userId)) return null; 6860 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6861 return null; 6862 } 6863 final PackageParser.Activity activity = info.activity; 6864 if (mSafeMode && (activity.info.applicationInfo.flags 6865 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6866 return null; 6867 } 6868 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6869 if (ps == null) { 6870 return null; 6871 } 6872 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6873 ps.readUserState(userId), userId); 6874 if (ai == null) { 6875 return null; 6876 } 6877 final ResolveInfo res = new ResolveInfo(); 6878 res.activityInfo = ai; 6879 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6880 res.filter = info; 6881 } 6882 res.priority = info.getPriority(); 6883 res.preferredOrder = activity.owner.mPreferredOrder; 6884 //System.out.println("Result: " + res.activityInfo.className + 6885 // " = " + res.priority); 6886 res.match = match; 6887 res.isDefault = info.hasDefault; 6888 res.labelRes = info.labelRes; 6889 res.nonLocalizedLabel = info.nonLocalizedLabel; 6890 res.icon = info.icon; 6891 res.system = isSystemApp(res.activityInfo.applicationInfo); 6892 return res; 6893 } 6894 6895 @Override 6896 protected void sortResults(List<ResolveInfo> results) { 6897 Collections.sort(results, mResolvePrioritySorter); 6898 } 6899 6900 @Override 6901 protected void dumpFilter(PrintWriter out, String prefix, 6902 PackageParser.ActivityIntentInfo filter) { 6903 out.print(prefix); out.print( 6904 Integer.toHexString(System.identityHashCode(filter.activity))); 6905 out.print(' '); 6906 filter.activity.printComponentShortName(out); 6907 out.print(" filter "); 6908 out.println(Integer.toHexString(System.identityHashCode(filter))); 6909 } 6910 6911// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6912// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6913// final List<ResolveInfo> retList = Lists.newArrayList(); 6914// while (i.hasNext()) { 6915// final ResolveInfo resolveInfo = i.next(); 6916// if (isEnabledLP(resolveInfo.activityInfo)) { 6917// retList.add(resolveInfo); 6918// } 6919// } 6920// return retList; 6921// } 6922 6923 // Keys are String (activity class name), values are Activity. 6924 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6925 = new HashMap<ComponentName, PackageParser.Activity>(); 6926 private int mFlags; 6927 } 6928 6929 private final class ServiceIntentResolver 6930 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6931 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6932 boolean defaultOnly, int userId) { 6933 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6934 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6935 } 6936 6937 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6938 int userId) { 6939 if (!sUserManager.exists(userId)) return null; 6940 mFlags = flags; 6941 return super.queryIntent(intent, resolvedType, 6942 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6943 } 6944 6945 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6946 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6947 if (!sUserManager.exists(userId)) return null; 6948 if (packageServices == null) { 6949 return null; 6950 } 6951 mFlags = flags; 6952 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6953 final int N = packageServices.size(); 6954 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6955 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6956 6957 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6958 for (int i = 0; i < N; ++i) { 6959 intentFilters = packageServices.get(i).intents; 6960 if (intentFilters != null && intentFilters.size() > 0) { 6961 PackageParser.ServiceIntentInfo[] array = 6962 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6963 intentFilters.toArray(array); 6964 listCut.add(array); 6965 } 6966 } 6967 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6968 } 6969 6970 public final void addService(PackageParser.Service s) { 6971 mServices.put(s.getComponentName(), s); 6972 if (DEBUG_SHOW_INFO) { 6973 Log.v(TAG, " " 6974 + (s.info.nonLocalizedLabel != null 6975 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6976 Log.v(TAG, " Class=" + s.info.name); 6977 } 6978 final int NI = s.intents.size(); 6979 int j; 6980 for (j=0; j<NI; j++) { 6981 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6982 if (DEBUG_SHOW_INFO) { 6983 Log.v(TAG, " IntentFilter:"); 6984 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6985 } 6986 if (!intent.debugCheck()) { 6987 Log.w(TAG, "==> For Service " + s.info.name); 6988 } 6989 addFilter(intent); 6990 } 6991 } 6992 6993 public final void removeService(PackageParser.Service s) { 6994 mServices.remove(s.getComponentName()); 6995 if (DEBUG_SHOW_INFO) { 6996 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6997 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6998 Log.v(TAG, " Class=" + s.info.name); 6999 } 7000 final int NI = s.intents.size(); 7001 int j; 7002 for (j=0; j<NI; j++) { 7003 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7004 if (DEBUG_SHOW_INFO) { 7005 Log.v(TAG, " IntentFilter:"); 7006 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7007 } 7008 removeFilter(intent); 7009 } 7010 } 7011 7012 @Override 7013 protected boolean allowFilterResult( 7014 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7015 ServiceInfo filterSi = filter.service.info; 7016 for (int i=dest.size()-1; i>=0; i--) { 7017 ServiceInfo destAi = dest.get(i).serviceInfo; 7018 if (destAi.name == filterSi.name 7019 && destAi.packageName == filterSi.packageName) { 7020 return false; 7021 } 7022 } 7023 return true; 7024 } 7025 7026 @Override 7027 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7028 return new PackageParser.ServiceIntentInfo[size]; 7029 } 7030 7031 @Override 7032 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7033 if (!sUserManager.exists(userId)) return true; 7034 PackageParser.Package p = filter.service.owner; 7035 if (p != null) { 7036 PackageSetting ps = (PackageSetting)p.mExtras; 7037 if (ps != null) { 7038 // System apps are never considered stopped for purposes of 7039 // filtering, because there may be no way for the user to 7040 // actually re-launch them. 7041 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7042 && ps.getStopped(userId); 7043 } 7044 } 7045 return false; 7046 } 7047 7048 @Override 7049 protected boolean isPackageForFilter(String packageName, 7050 PackageParser.ServiceIntentInfo info) { 7051 return packageName.equals(info.service.owner.packageName); 7052 } 7053 7054 @Override 7055 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7056 int match, int userId) { 7057 if (!sUserManager.exists(userId)) return null; 7058 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7059 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7060 return null; 7061 } 7062 final PackageParser.Service service = info.service; 7063 if (mSafeMode && (service.info.applicationInfo.flags 7064 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7065 return null; 7066 } 7067 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7068 if (ps == null) { 7069 return null; 7070 } 7071 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7072 ps.readUserState(userId), userId); 7073 if (si == null) { 7074 return null; 7075 } 7076 final ResolveInfo res = new ResolveInfo(); 7077 res.serviceInfo = si; 7078 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7079 res.filter = filter; 7080 } 7081 res.priority = info.getPriority(); 7082 res.preferredOrder = service.owner.mPreferredOrder; 7083 //System.out.println("Result: " + res.activityInfo.className + 7084 // " = " + res.priority); 7085 res.match = match; 7086 res.isDefault = info.hasDefault; 7087 res.labelRes = info.labelRes; 7088 res.nonLocalizedLabel = info.nonLocalizedLabel; 7089 res.icon = info.icon; 7090 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7091 return res; 7092 } 7093 7094 @Override 7095 protected void sortResults(List<ResolveInfo> results) { 7096 Collections.sort(results, mResolvePrioritySorter); 7097 } 7098 7099 @Override 7100 protected void dumpFilter(PrintWriter out, String prefix, 7101 PackageParser.ServiceIntentInfo filter) { 7102 out.print(prefix); out.print( 7103 Integer.toHexString(System.identityHashCode(filter.service))); 7104 out.print(' '); 7105 filter.service.printComponentShortName(out); 7106 out.print(" filter "); 7107 out.println(Integer.toHexString(System.identityHashCode(filter))); 7108 } 7109 7110// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7111// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7112// final List<ResolveInfo> retList = Lists.newArrayList(); 7113// while (i.hasNext()) { 7114// final ResolveInfo resolveInfo = (ResolveInfo) i; 7115// if (isEnabledLP(resolveInfo.serviceInfo)) { 7116// retList.add(resolveInfo); 7117// } 7118// } 7119// return retList; 7120// } 7121 7122 // Keys are String (activity class name), values are Activity. 7123 private final HashMap<ComponentName, PackageParser.Service> mServices 7124 = new HashMap<ComponentName, PackageParser.Service>(); 7125 private int mFlags; 7126 }; 7127 7128 private final class ProviderIntentResolver 7129 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7130 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7131 boolean defaultOnly, int userId) { 7132 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7133 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7134 } 7135 7136 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7137 int userId) { 7138 if (!sUserManager.exists(userId)) 7139 return null; 7140 mFlags = flags; 7141 return super.queryIntent(intent, resolvedType, 7142 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7143 } 7144 7145 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7146 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7147 if (!sUserManager.exists(userId)) 7148 return null; 7149 if (packageProviders == null) { 7150 return null; 7151 } 7152 mFlags = flags; 7153 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7154 final int N = packageProviders.size(); 7155 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7156 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7157 7158 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7159 for (int i = 0; i < N; ++i) { 7160 intentFilters = packageProviders.get(i).intents; 7161 if (intentFilters != null && intentFilters.size() > 0) { 7162 PackageParser.ProviderIntentInfo[] array = 7163 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7164 intentFilters.toArray(array); 7165 listCut.add(array); 7166 } 7167 } 7168 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7169 } 7170 7171 public final void addProvider(PackageParser.Provider p) { 7172 if (mProviders.containsKey(p.getComponentName())) { 7173 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7174 return; 7175 } 7176 7177 mProviders.put(p.getComponentName(), p); 7178 if (DEBUG_SHOW_INFO) { 7179 Log.v(TAG, " " 7180 + (p.info.nonLocalizedLabel != null 7181 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7182 Log.v(TAG, " Class=" + p.info.name); 7183 } 7184 final int NI = p.intents.size(); 7185 int j; 7186 for (j = 0; j < NI; j++) { 7187 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7188 if (DEBUG_SHOW_INFO) { 7189 Log.v(TAG, " IntentFilter:"); 7190 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7191 } 7192 if (!intent.debugCheck()) { 7193 Log.w(TAG, "==> For Provider " + p.info.name); 7194 } 7195 addFilter(intent); 7196 } 7197 } 7198 7199 public final void removeProvider(PackageParser.Provider p) { 7200 mProviders.remove(p.getComponentName()); 7201 if (DEBUG_SHOW_INFO) { 7202 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7203 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7204 Log.v(TAG, " Class=" + p.info.name); 7205 } 7206 final int NI = p.intents.size(); 7207 int j; 7208 for (j = 0; j < NI; j++) { 7209 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7210 if (DEBUG_SHOW_INFO) { 7211 Log.v(TAG, " IntentFilter:"); 7212 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7213 } 7214 removeFilter(intent); 7215 } 7216 } 7217 7218 @Override 7219 protected boolean allowFilterResult( 7220 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7221 ProviderInfo filterPi = filter.provider.info; 7222 for (int i = dest.size() - 1; i >= 0; i--) { 7223 ProviderInfo destPi = dest.get(i).providerInfo; 7224 if (destPi.name == filterPi.name 7225 && destPi.packageName == filterPi.packageName) { 7226 return false; 7227 } 7228 } 7229 return true; 7230 } 7231 7232 @Override 7233 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7234 return new PackageParser.ProviderIntentInfo[size]; 7235 } 7236 7237 @Override 7238 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7239 if (!sUserManager.exists(userId)) 7240 return true; 7241 PackageParser.Package p = filter.provider.owner; 7242 if (p != null) { 7243 PackageSetting ps = (PackageSetting) p.mExtras; 7244 if (ps != null) { 7245 // System apps are never considered stopped for purposes of 7246 // filtering, because there may be no way for the user to 7247 // actually re-launch them. 7248 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7249 && ps.getStopped(userId); 7250 } 7251 } 7252 return false; 7253 } 7254 7255 @Override 7256 protected boolean isPackageForFilter(String packageName, 7257 PackageParser.ProviderIntentInfo info) { 7258 return packageName.equals(info.provider.owner.packageName); 7259 } 7260 7261 @Override 7262 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7263 int match, int userId) { 7264 if (!sUserManager.exists(userId)) 7265 return null; 7266 final PackageParser.ProviderIntentInfo info = filter; 7267 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7268 return null; 7269 } 7270 final PackageParser.Provider provider = info.provider; 7271 if (mSafeMode && (provider.info.applicationInfo.flags 7272 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7273 return null; 7274 } 7275 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7276 if (ps == null) { 7277 return null; 7278 } 7279 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7280 ps.readUserState(userId), userId); 7281 if (pi == null) { 7282 return null; 7283 } 7284 final ResolveInfo res = new ResolveInfo(); 7285 res.providerInfo = pi; 7286 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7287 res.filter = filter; 7288 } 7289 res.priority = info.getPriority(); 7290 res.preferredOrder = provider.owner.mPreferredOrder; 7291 res.match = match; 7292 res.isDefault = info.hasDefault; 7293 res.labelRes = info.labelRes; 7294 res.nonLocalizedLabel = info.nonLocalizedLabel; 7295 res.icon = info.icon; 7296 res.system = isSystemApp(res.providerInfo.applicationInfo); 7297 return res; 7298 } 7299 7300 @Override 7301 protected void sortResults(List<ResolveInfo> results) { 7302 Collections.sort(results, mResolvePrioritySorter); 7303 } 7304 7305 @Override 7306 protected void dumpFilter(PrintWriter out, String prefix, 7307 PackageParser.ProviderIntentInfo filter) { 7308 out.print(prefix); 7309 out.print( 7310 Integer.toHexString(System.identityHashCode(filter.provider))); 7311 out.print(' '); 7312 filter.provider.printComponentShortName(out); 7313 out.print(" filter "); 7314 out.println(Integer.toHexString(System.identityHashCode(filter))); 7315 } 7316 7317 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7318 = new HashMap<ComponentName, PackageParser.Provider>(); 7319 private int mFlags; 7320 }; 7321 7322 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7323 new Comparator<ResolveInfo>() { 7324 public int compare(ResolveInfo r1, ResolveInfo r2) { 7325 int v1 = r1.priority; 7326 int v2 = r2.priority; 7327 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7328 if (v1 != v2) { 7329 return (v1 > v2) ? -1 : 1; 7330 } 7331 v1 = r1.preferredOrder; 7332 v2 = r2.preferredOrder; 7333 if (v1 != v2) { 7334 return (v1 > v2) ? -1 : 1; 7335 } 7336 if (r1.isDefault != r2.isDefault) { 7337 return r1.isDefault ? -1 : 1; 7338 } 7339 v1 = r1.match; 7340 v2 = r2.match; 7341 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7342 if (v1 != v2) { 7343 return (v1 > v2) ? -1 : 1; 7344 } 7345 if (r1.system != r2.system) { 7346 return r1.system ? -1 : 1; 7347 } 7348 return 0; 7349 } 7350 }; 7351 7352 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7353 new Comparator<ProviderInfo>() { 7354 public int compare(ProviderInfo p1, ProviderInfo p2) { 7355 final int v1 = p1.initOrder; 7356 final int v2 = p2.initOrder; 7357 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7358 } 7359 }; 7360 7361 static final void sendPackageBroadcast(String action, String pkg, 7362 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7363 int[] userIds) { 7364 IActivityManager am = ActivityManagerNative.getDefault(); 7365 if (am != null) { 7366 try { 7367 if (userIds == null) { 7368 userIds = am.getRunningUserIds(); 7369 } 7370 for (int id : userIds) { 7371 final Intent intent = new Intent(action, 7372 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7373 if (extras != null) { 7374 intent.putExtras(extras); 7375 } 7376 if (targetPkg != null) { 7377 intent.setPackage(targetPkg); 7378 } 7379 // Modify the UID when posting to other users 7380 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7381 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7382 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7383 intent.putExtra(Intent.EXTRA_UID, uid); 7384 } 7385 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7386 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7387 if (DEBUG_BROADCASTS) { 7388 RuntimeException here = new RuntimeException("here"); 7389 here.fillInStackTrace(); 7390 Slog.d(TAG, "Sending to user " + id + ": " 7391 + intent.toShortString(false, true, false, false) 7392 + " " + intent.getExtras(), here); 7393 } 7394 am.broadcastIntent(null, intent, null, finishedReceiver, 7395 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7396 finishedReceiver != null, false, id); 7397 } 7398 } catch (RemoteException ex) { 7399 } 7400 } 7401 } 7402 7403 /** 7404 * Check if the external storage media is available. This is true if there 7405 * is a mounted external storage medium or if the external storage is 7406 * emulated. 7407 */ 7408 private boolean isExternalMediaAvailable() { 7409 return mMediaMounted || Environment.isExternalStorageEmulated(); 7410 } 7411 7412 @Override 7413 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7414 // writer 7415 synchronized (mPackages) { 7416 if (!isExternalMediaAvailable()) { 7417 // If the external storage is no longer mounted at this point, 7418 // the caller may not have been able to delete all of this 7419 // packages files and can not delete any more. Bail. 7420 return null; 7421 } 7422 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7423 if (lastPackage != null) { 7424 pkgs.remove(lastPackage); 7425 } 7426 if (pkgs.size() > 0) { 7427 return pkgs.get(0); 7428 } 7429 } 7430 return null; 7431 } 7432 7433 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7434 if (false) { 7435 RuntimeException here = new RuntimeException("here"); 7436 here.fillInStackTrace(); 7437 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7438 + " andCode=" + andCode, here); 7439 } 7440 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7441 userId, andCode ? 1 : 0, packageName)); 7442 } 7443 7444 void startCleaningPackages() { 7445 // reader 7446 synchronized (mPackages) { 7447 if (!isExternalMediaAvailable()) { 7448 return; 7449 } 7450 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7451 return; 7452 } 7453 } 7454 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7455 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7456 IActivityManager am = ActivityManagerNative.getDefault(); 7457 if (am != null) { 7458 try { 7459 am.startService(null, intent, null, UserHandle.USER_OWNER); 7460 } catch (RemoteException e) { 7461 } 7462 } 7463 } 7464 7465 private final class AppDirObserver extends FileObserver { 7466 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7467 super(path, mask); 7468 mRootDir = path; 7469 mIsRom = isrom; 7470 mIsPrivileged = isPrivileged; 7471 } 7472 7473 public void onEvent(int event, String path) { 7474 String removedPackage = null; 7475 int removedAppId = -1; 7476 int[] removedUsers = null; 7477 String addedPackage = null; 7478 int addedAppId = -1; 7479 int[] addedUsers = null; 7480 7481 // TODO post a message to the handler to obtain serial ordering 7482 synchronized (mInstallLock) { 7483 String fullPathStr = null; 7484 File fullPath = null; 7485 if (path != null) { 7486 fullPath = new File(mRootDir, path); 7487 fullPathStr = fullPath.getPath(); 7488 } 7489 7490 if (DEBUG_APP_DIR_OBSERVER) 7491 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7492 7493 if (!isPackageFilename(path)) { 7494 if (DEBUG_APP_DIR_OBSERVER) 7495 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7496 return; 7497 } 7498 7499 // Ignore packages that are being installed or 7500 // have just been installed. 7501 if (ignoreCodePath(fullPathStr)) { 7502 return; 7503 } 7504 PackageParser.Package p = null; 7505 PackageSetting ps = null; 7506 // reader 7507 synchronized (mPackages) { 7508 p = mAppDirs.get(fullPathStr); 7509 if (p != null) { 7510 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7511 if (ps != null) { 7512 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7513 } else { 7514 removedUsers = sUserManager.getUserIds(); 7515 } 7516 } 7517 addedUsers = sUserManager.getUserIds(); 7518 } 7519 if ((event&REMOVE_EVENTS) != 0) { 7520 if (ps != null) { 7521 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7522 removePackageLI(ps, true); 7523 removedPackage = ps.name; 7524 removedAppId = ps.appId; 7525 } 7526 } 7527 7528 if ((event&ADD_EVENTS) != 0) { 7529 if (p == null) { 7530 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7531 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7532 if (mIsRom) { 7533 flags |= PackageParser.PARSE_IS_SYSTEM 7534 | PackageParser.PARSE_IS_SYSTEM_DIR; 7535 if (mIsPrivileged) { 7536 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7537 } 7538 } 7539 p = scanPackageLI(fullPath, flags, 7540 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7541 System.currentTimeMillis(), UserHandle.ALL, null); 7542 if (p != null) { 7543 /* 7544 * TODO this seems dangerous as the package may have 7545 * changed since we last acquired the mPackages 7546 * lock. 7547 */ 7548 // writer 7549 synchronized (mPackages) { 7550 updatePermissionsLPw(p.packageName, p, 7551 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7552 } 7553 addedPackage = p.applicationInfo.packageName; 7554 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7555 } 7556 } 7557 } 7558 7559 // reader 7560 synchronized (mPackages) { 7561 mSettings.writeLPr(); 7562 } 7563 } 7564 7565 if (removedPackage != null) { 7566 Bundle extras = new Bundle(1); 7567 extras.putInt(Intent.EXTRA_UID, removedAppId); 7568 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7569 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7570 extras, null, null, removedUsers); 7571 } 7572 if (addedPackage != null) { 7573 Bundle extras = new Bundle(1); 7574 extras.putInt(Intent.EXTRA_UID, addedAppId); 7575 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7576 extras, null, null, addedUsers); 7577 } 7578 } 7579 7580 private final String mRootDir; 7581 private final boolean mIsRom; 7582 private final boolean mIsPrivileged; 7583 } 7584 7585 /* 7586 * The old-style observer methods all just trampoline to the newer signature with 7587 * expanded install observer API. The older API continues to work but does not 7588 * supply the additional details of the Observer2 API. 7589 */ 7590 7591 /* Called when a downloaded package installation has been confirmed by the user */ 7592 public void installPackage( 7593 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7594 installPackageEtc(packageURI, observer, null, flags, null); 7595 } 7596 7597 /* Called when a downloaded package installation has been confirmed by the user */ 7598 @Override 7599 public void installPackage( 7600 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7601 final String installerPackageName) { 7602 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7603 installerPackageName, null, null, null); 7604 } 7605 7606 @Override 7607 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7608 int flags, String installerPackageName, Uri verificationURI, 7609 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7610 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7611 VerificationParams.NO_UID, manifestDigest); 7612 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7613 installerPackageName, verificationParams, encryptionParams); 7614 } 7615 7616 @Override 7617 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7618 IPackageInstallObserver observer, int flags, String installerPackageName, 7619 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7620 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7621 installerPackageName, verificationParams, encryptionParams); 7622 } 7623 7624 /* 7625 * And here are the "live" versions that take both observer arguments 7626 */ 7627 public void installPackageEtc( 7628 final Uri packageURI, final IPackageInstallObserver observer, 7629 IPackageInstallObserver2 observer2, final int flags) { 7630 installPackageEtc(packageURI, observer, observer2, flags, null); 7631 } 7632 7633 public void installPackageEtc( 7634 final Uri packageURI, final IPackageInstallObserver observer, 7635 final IPackageInstallObserver2 observer2, final int flags, 7636 final String installerPackageName) { 7637 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7638 installerPackageName, null, null, null); 7639 } 7640 7641 @Override 7642 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7643 IPackageInstallObserver2 observer2, 7644 int flags, String installerPackageName, Uri verificationURI, 7645 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7646 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7647 VerificationParams.NO_UID, manifestDigest); 7648 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7649 installerPackageName, verificationParams, encryptionParams); 7650 } 7651 7652 /* 7653 * All of the installPackage...*() methods redirect to this one for the master implementation 7654 */ 7655 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7656 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7657 int flags, String installerPackageName, 7658 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7659 if (observer == null && observer2 == null) { 7660 throw new IllegalArgumentException("No install observer supplied"); 7661 } 7662 installPackageWithVerificationEncryptionAndAbiOverrideEtc(packageURI, observer, observer2, 7663 flags, installerPackageName, verificationParams, encryptionParams, null); 7664 } 7665 7666 @Override 7667 public void installPackageWithVerificationEncryptionAndAbiOverrideEtc(Uri packageURI, 7668 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7669 int flags, String installerPackageName, 7670 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7671 String packageAbiOverride) { 7672 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7673 null); 7674 7675 final int uid = Binder.getCallingUid(); 7676 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7677 try { 7678 if (observer != null) { 7679 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7680 } 7681 if (observer2 != null) { 7682 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7683 } 7684 } catch (RemoteException re) { 7685 } 7686 return; 7687 } 7688 7689 UserHandle user; 7690 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7691 user = UserHandle.ALL; 7692 } else { 7693 user = new UserHandle(UserHandle.getUserId(uid)); 7694 } 7695 7696 final int filteredFlags; 7697 7698 if (uid == Process.SHELL_UID || uid == 0) { 7699 if (DEBUG_INSTALL) { 7700 Slog.v(TAG, "Install from ADB"); 7701 } 7702 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7703 } else { 7704 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7705 } 7706 7707 verificationParams.setInstallerUid(uid); 7708 7709 final Message msg = mHandler.obtainMessage(INIT_COPY); 7710 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7711 installerPackageName, verificationParams, encryptionParams, user, 7712 packageAbiOverride); 7713 mHandler.sendMessage(msg); 7714 } 7715 7716 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7717 Bundle extras = new Bundle(1); 7718 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7719 7720 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7721 packageName, extras, null, null, new int[] {userId}); 7722 try { 7723 IActivityManager am = ActivityManagerNative.getDefault(); 7724 final boolean isSystem = 7725 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7726 if (isSystem && am.isUserRunning(userId, false)) { 7727 // The just-installed/enabled app is bundled on the system, so presumed 7728 // to be able to run automatically without needing an explicit launch. 7729 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7730 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7731 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7732 .setPackage(packageName); 7733 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7734 android.app.AppOpsManager.OP_NONE, false, false, userId); 7735 } 7736 } catch (RemoteException e) { 7737 // shouldn't happen 7738 Slog.w(TAG, "Unable to bootstrap installed package", e); 7739 } 7740 } 7741 7742 @Override 7743 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7744 int userId) { 7745 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7746 PackageSetting pkgSetting; 7747 final int uid = Binder.getCallingUid(); 7748 if (UserHandle.getUserId(uid) != userId) { 7749 mContext.enforceCallingOrSelfPermission( 7750 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7751 "setApplicationBlockedSetting for user " + userId); 7752 } 7753 7754 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7755 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7756 return false; 7757 } 7758 7759 long callingId = Binder.clearCallingIdentity(); 7760 try { 7761 boolean sendAdded = false; 7762 boolean sendRemoved = false; 7763 // writer 7764 synchronized (mPackages) { 7765 pkgSetting = mSettings.mPackages.get(packageName); 7766 if (pkgSetting == null) { 7767 return false; 7768 } 7769 if (pkgSetting.getBlocked(userId) != blocked) { 7770 pkgSetting.setBlocked(blocked, userId); 7771 mSettings.writePackageRestrictionsLPr(userId); 7772 if (blocked) { 7773 sendRemoved = true; 7774 } else { 7775 sendAdded = true; 7776 } 7777 } 7778 } 7779 if (sendAdded) { 7780 sendPackageAddedForUser(packageName, pkgSetting, userId); 7781 return true; 7782 } 7783 if (sendRemoved) { 7784 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7785 "blocking pkg"); 7786 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7787 } 7788 } finally { 7789 Binder.restoreCallingIdentity(callingId); 7790 } 7791 return false; 7792 } 7793 7794 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7795 int userId) { 7796 final PackageRemovedInfo info = new PackageRemovedInfo(); 7797 info.removedPackage = packageName; 7798 info.removedUsers = new int[] {userId}; 7799 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7800 info.sendBroadcast(false, false, false); 7801 } 7802 7803 /** 7804 * Returns true if application is not found or there was an error. Otherwise it returns 7805 * the blocked state of the package for the given user. 7806 */ 7807 @Override 7808 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7809 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7810 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7811 "getApplicationBlocked for user " + userId); 7812 PackageSetting pkgSetting; 7813 long callingId = Binder.clearCallingIdentity(); 7814 try { 7815 // writer 7816 synchronized (mPackages) { 7817 pkgSetting = mSettings.mPackages.get(packageName); 7818 if (pkgSetting == null) { 7819 return true; 7820 } 7821 return pkgSetting.getBlocked(userId); 7822 } 7823 } finally { 7824 Binder.restoreCallingIdentity(callingId); 7825 } 7826 } 7827 7828 void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer, 7829 int flags) { 7830 // TODO: install stage! 7831 try { 7832 observer.packageInstalled(basePackageName, null, 7833 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7834 } catch (RemoteException ignored) { 7835 } 7836 } 7837 7838 /** 7839 * @hide 7840 */ 7841 @Override 7842 public int installExistingPackageAsUser(String packageName, int userId) { 7843 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7844 null); 7845 PackageSetting pkgSetting; 7846 final int uid = Binder.getCallingUid(); 7847 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7848 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7849 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7850 } 7851 7852 long callingId = Binder.clearCallingIdentity(); 7853 try { 7854 boolean sendAdded = false; 7855 Bundle extras = new Bundle(1); 7856 7857 // writer 7858 synchronized (mPackages) { 7859 pkgSetting = mSettings.mPackages.get(packageName); 7860 if (pkgSetting == null) { 7861 return PackageManager.INSTALL_FAILED_INVALID_URI; 7862 } 7863 if (!pkgSetting.getInstalled(userId)) { 7864 pkgSetting.setInstalled(true, userId); 7865 pkgSetting.setBlocked(false, userId); 7866 mSettings.writePackageRestrictionsLPr(userId); 7867 sendAdded = true; 7868 } 7869 } 7870 7871 if (sendAdded) { 7872 sendPackageAddedForUser(packageName, pkgSetting, userId); 7873 } 7874 } finally { 7875 Binder.restoreCallingIdentity(callingId); 7876 } 7877 7878 return PackageManager.INSTALL_SUCCEEDED; 7879 } 7880 7881 boolean isUserRestricted(int userId, String restrictionKey) { 7882 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7883 if (restrictions.getBoolean(restrictionKey, false)) { 7884 Log.w(TAG, "User is restricted: " + restrictionKey); 7885 return true; 7886 } 7887 return false; 7888 } 7889 7890 @Override 7891 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7892 mContext.enforceCallingOrSelfPermission( 7893 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7894 "Only package verification agents can verify applications"); 7895 7896 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7897 final PackageVerificationResponse response = new PackageVerificationResponse( 7898 verificationCode, Binder.getCallingUid()); 7899 msg.arg1 = id; 7900 msg.obj = response; 7901 mHandler.sendMessage(msg); 7902 } 7903 7904 @Override 7905 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7906 long millisecondsToDelay) { 7907 mContext.enforceCallingOrSelfPermission( 7908 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7909 "Only package verification agents can extend verification timeouts"); 7910 7911 final PackageVerificationState state = mPendingVerification.get(id); 7912 final PackageVerificationResponse response = new PackageVerificationResponse( 7913 verificationCodeAtTimeout, Binder.getCallingUid()); 7914 7915 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7916 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7917 } 7918 if (millisecondsToDelay < 0) { 7919 millisecondsToDelay = 0; 7920 } 7921 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7922 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7923 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7924 } 7925 7926 if ((state != null) && !state.timeoutExtended()) { 7927 state.extendTimeout(); 7928 7929 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7930 msg.arg1 = id; 7931 msg.obj = response; 7932 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7933 } 7934 } 7935 7936 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7937 int verificationCode, UserHandle user) { 7938 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7939 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7940 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7941 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7942 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7943 7944 mContext.sendBroadcastAsUser(intent, user, 7945 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7946 } 7947 7948 private ComponentName matchComponentForVerifier(String packageName, 7949 List<ResolveInfo> receivers) { 7950 ActivityInfo targetReceiver = null; 7951 7952 final int NR = receivers.size(); 7953 for (int i = 0; i < NR; i++) { 7954 final ResolveInfo info = receivers.get(i); 7955 if (info.activityInfo == null) { 7956 continue; 7957 } 7958 7959 if (packageName.equals(info.activityInfo.packageName)) { 7960 targetReceiver = info.activityInfo; 7961 break; 7962 } 7963 } 7964 7965 if (targetReceiver == null) { 7966 return null; 7967 } 7968 7969 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7970 } 7971 7972 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7973 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7974 if (pkgInfo.verifiers.length == 0) { 7975 return null; 7976 } 7977 7978 final int N = pkgInfo.verifiers.length; 7979 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7980 for (int i = 0; i < N; i++) { 7981 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7982 7983 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7984 receivers); 7985 if (comp == null) { 7986 continue; 7987 } 7988 7989 final int verifierUid = getUidForVerifier(verifierInfo); 7990 if (verifierUid == -1) { 7991 continue; 7992 } 7993 7994 if (DEBUG_VERIFY) { 7995 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7996 + " with the correct signature"); 7997 } 7998 sufficientVerifiers.add(comp); 7999 verificationState.addSufficientVerifier(verifierUid); 8000 } 8001 8002 return sufficientVerifiers; 8003 } 8004 8005 private int getUidForVerifier(VerifierInfo verifierInfo) { 8006 synchronized (mPackages) { 8007 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8008 if (pkg == null) { 8009 return -1; 8010 } else if (pkg.mSignatures.length != 1) { 8011 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8012 + " has more than one signature; ignoring"); 8013 return -1; 8014 } 8015 8016 /* 8017 * If the public key of the package's signature does not match 8018 * our expected public key, then this is a different package and 8019 * we should skip. 8020 */ 8021 8022 final byte[] expectedPublicKey; 8023 try { 8024 final Signature verifierSig = pkg.mSignatures[0]; 8025 final PublicKey publicKey = verifierSig.getPublicKey(); 8026 expectedPublicKey = publicKey.getEncoded(); 8027 } catch (CertificateException e) { 8028 return -1; 8029 } 8030 8031 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8032 8033 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8034 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8035 + " does not have the expected public key; ignoring"); 8036 return -1; 8037 } 8038 8039 return pkg.applicationInfo.uid; 8040 } 8041 } 8042 8043 @Override 8044 public void finishPackageInstall(int token) { 8045 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8046 8047 if (DEBUG_INSTALL) { 8048 Slog.v(TAG, "BM finishing package install for " + token); 8049 } 8050 8051 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8052 mHandler.sendMessage(msg); 8053 } 8054 8055 /** 8056 * Get the verification agent timeout. 8057 * 8058 * @return verification timeout in milliseconds 8059 */ 8060 private long getVerificationTimeout() { 8061 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8062 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8063 DEFAULT_VERIFICATION_TIMEOUT); 8064 } 8065 8066 /** 8067 * Get the default verification agent response code. 8068 * 8069 * @return default verification response code 8070 */ 8071 private int getDefaultVerificationResponse() { 8072 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8073 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8074 DEFAULT_VERIFICATION_RESPONSE); 8075 } 8076 8077 /** 8078 * Check whether or not package verification has been enabled. 8079 * 8080 * @return true if verification should be performed 8081 */ 8082 private boolean isVerificationEnabled(int flags) { 8083 if (!DEFAULT_VERIFY_ENABLE) { 8084 return false; 8085 } 8086 8087 // Check if installing from ADB 8088 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8089 // Do not run verification in a test harness environment 8090 if (ActivityManager.isRunningInTestHarness()) { 8091 return false; 8092 } 8093 // Check if the developer does not want package verification for ADB installs 8094 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8095 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8096 return false; 8097 } 8098 } 8099 8100 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8101 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8102 } 8103 8104 /** 8105 * Get the "allow unknown sources" setting. 8106 * 8107 * @return the current "allow unknown sources" setting 8108 */ 8109 private int getUnknownSourcesSettings() { 8110 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8111 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8112 -1); 8113 } 8114 8115 @Override 8116 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8117 final int uid = Binder.getCallingUid(); 8118 // writer 8119 synchronized (mPackages) { 8120 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8121 if (targetPackageSetting == null) { 8122 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8123 } 8124 8125 PackageSetting installerPackageSetting; 8126 if (installerPackageName != null) { 8127 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8128 if (installerPackageSetting == null) { 8129 throw new IllegalArgumentException("Unknown installer package: " 8130 + installerPackageName); 8131 } 8132 } else { 8133 installerPackageSetting = null; 8134 } 8135 8136 Signature[] callerSignature; 8137 Object obj = mSettings.getUserIdLPr(uid); 8138 if (obj != null) { 8139 if (obj instanceof SharedUserSetting) { 8140 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8141 } else if (obj instanceof PackageSetting) { 8142 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8143 } else { 8144 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8145 } 8146 } else { 8147 throw new SecurityException("Unknown calling uid " + uid); 8148 } 8149 8150 // Verify: can't set installerPackageName to a package that is 8151 // not signed with the same cert as the caller. 8152 if (installerPackageSetting != null) { 8153 if (compareSignatures(callerSignature, 8154 installerPackageSetting.signatures.mSignatures) 8155 != PackageManager.SIGNATURE_MATCH) { 8156 throw new SecurityException( 8157 "Caller does not have same cert as new installer package " 8158 + installerPackageName); 8159 } 8160 } 8161 8162 // Verify: if target already has an installer package, it must 8163 // be signed with the same cert as the caller. 8164 if (targetPackageSetting.installerPackageName != null) { 8165 PackageSetting setting = mSettings.mPackages.get( 8166 targetPackageSetting.installerPackageName); 8167 // If the currently set package isn't valid, then it's always 8168 // okay to change it. 8169 if (setting != null) { 8170 if (compareSignatures(callerSignature, 8171 setting.signatures.mSignatures) 8172 != PackageManager.SIGNATURE_MATCH) { 8173 throw new SecurityException( 8174 "Caller does not have same cert as old installer package " 8175 + targetPackageSetting.installerPackageName); 8176 } 8177 } 8178 } 8179 8180 // Okay! 8181 targetPackageSetting.installerPackageName = installerPackageName; 8182 scheduleWriteSettingsLocked(); 8183 } 8184 } 8185 8186 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8187 // Queue up an async operation since the package installation may take a little while. 8188 mHandler.post(new Runnable() { 8189 public void run() { 8190 mHandler.removeCallbacks(this); 8191 // Result object to be returned 8192 PackageInstalledInfo res = new PackageInstalledInfo(); 8193 res.returnCode = currentStatus; 8194 res.uid = -1; 8195 res.pkg = null; 8196 res.removedInfo = new PackageRemovedInfo(); 8197 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8198 args.doPreInstall(res.returnCode); 8199 synchronized (mInstallLock) { 8200 installPackageLI(args, true, res); 8201 } 8202 args.doPostInstall(res.returnCode, res.uid); 8203 } 8204 8205 // A restore should be performed at this point if (a) the install 8206 // succeeded, (b) the operation is not an update, and (c) the new 8207 // package has a backupAgent defined. 8208 final boolean update = res.removedInfo.removedPackage != null; 8209 boolean doRestore = (!update 8210 && res.pkg != null 8211 && res.pkg.applicationInfo.backupAgentName != null); 8212 8213 // Set up the post-install work request bookkeeping. This will be used 8214 // and cleaned up by the post-install event handling regardless of whether 8215 // there's a restore pass performed. Token values are >= 1. 8216 int token; 8217 if (mNextInstallToken < 0) mNextInstallToken = 1; 8218 token = mNextInstallToken++; 8219 8220 PostInstallData data = new PostInstallData(args, res); 8221 mRunningInstalls.put(token, data); 8222 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8223 8224 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8225 // Pass responsibility to the Backup Manager. It will perform a 8226 // restore if appropriate, then pass responsibility back to the 8227 // Package Manager to run the post-install observer callbacks 8228 // and broadcasts. 8229 IBackupManager bm = IBackupManager.Stub.asInterface( 8230 ServiceManager.getService(Context.BACKUP_SERVICE)); 8231 if (bm != null) { 8232 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8233 + " to BM for possible restore"); 8234 try { 8235 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8236 } catch (RemoteException e) { 8237 // can't happen; the backup manager is local 8238 } catch (Exception e) { 8239 Slog.e(TAG, "Exception trying to enqueue restore", e); 8240 doRestore = false; 8241 } 8242 } else { 8243 Slog.e(TAG, "Backup Manager not found!"); 8244 doRestore = false; 8245 } 8246 } 8247 8248 if (!doRestore) { 8249 // No restore possible, or the Backup Manager was mysteriously not 8250 // available -- just fire the post-install work request directly. 8251 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8252 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8253 mHandler.sendMessage(msg); 8254 } 8255 } 8256 }); 8257 } 8258 8259 private abstract class HandlerParams { 8260 private static final int MAX_RETRIES = 4; 8261 8262 /** 8263 * Number of times startCopy() has been attempted and had a non-fatal 8264 * error. 8265 */ 8266 private int mRetries = 0; 8267 8268 /** User handle for the user requesting the information or installation. */ 8269 private final UserHandle mUser; 8270 8271 HandlerParams(UserHandle user) { 8272 mUser = user; 8273 } 8274 8275 UserHandle getUser() { 8276 return mUser; 8277 } 8278 8279 final boolean startCopy() { 8280 boolean res; 8281 try { 8282 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8283 8284 if (++mRetries > MAX_RETRIES) { 8285 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8286 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8287 handleServiceError(); 8288 return false; 8289 } else { 8290 handleStartCopy(); 8291 res = true; 8292 } 8293 } catch (RemoteException e) { 8294 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8295 mHandler.sendEmptyMessage(MCS_RECONNECT); 8296 res = false; 8297 } 8298 handleReturnCode(); 8299 return res; 8300 } 8301 8302 final void serviceError() { 8303 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8304 handleServiceError(); 8305 handleReturnCode(); 8306 } 8307 8308 abstract void handleStartCopy() throws RemoteException; 8309 abstract void handleServiceError(); 8310 abstract void handleReturnCode(); 8311 } 8312 8313 class MeasureParams extends HandlerParams { 8314 private final PackageStats mStats; 8315 private boolean mSuccess; 8316 8317 private final IPackageStatsObserver mObserver; 8318 8319 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8320 super(new UserHandle(stats.userHandle)); 8321 mObserver = observer; 8322 mStats = stats; 8323 } 8324 8325 @Override 8326 public String toString() { 8327 return "MeasureParams{" 8328 + Integer.toHexString(System.identityHashCode(this)) 8329 + " " + mStats.packageName + "}"; 8330 } 8331 8332 @Override 8333 void handleStartCopy() throws RemoteException { 8334 synchronized (mInstallLock) { 8335 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8336 } 8337 8338 if (mSuccess) { 8339 final boolean mounted; 8340 if (Environment.isExternalStorageEmulated()) { 8341 mounted = true; 8342 } else { 8343 final String status = Environment.getExternalStorageState(); 8344 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8345 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8346 } 8347 8348 if (mounted) { 8349 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8350 8351 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8352 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8353 8354 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8355 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8356 8357 // Always subtract cache size, since it's a subdirectory 8358 mStats.externalDataSize -= mStats.externalCacheSize; 8359 8360 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8361 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8362 8363 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8364 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8365 } 8366 } 8367 } 8368 8369 @Override 8370 void handleReturnCode() { 8371 if (mObserver != null) { 8372 try { 8373 mObserver.onGetStatsCompleted(mStats, mSuccess); 8374 } catch (RemoteException e) { 8375 Slog.i(TAG, "Observer no longer exists."); 8376 } 8377 } 8378 } 8379 8380 @Override 8381 void handleServiceError() { 8382 Slog.e(TAG, "Could not measure application " + mStats.packageName 8383 + " external storage"); 8384 } 8385 } 8386 8387 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8388 throws RemoteException { 8389 long result = 0; 8390 for (File path : paths) { 8391 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8392 } 8393 return result; 8394 } 8395 8396 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8397 for (File path : paths) { 8398 try { 8399 mcs.clearDirectory(path.getAbsolutePath()); 8400 } catch (RemoteException e) { 8401 } 8402 } 8403 } 8404 8405 class InstallParams extends HandlerParams { 8406 final IPackageInstallObserver observer; 8407 final IPackageInstallObserver2 observer2; 8408 int flags; 8409 8410 private final Uri mPackageURI; 8411 final String installerPackageName; 8412 final VerificationParams verificationParams; 8413 private InstallArgs mArgs; 8414 private int mRet; 8415 private File mTempPackage; 8416 final ContainerEncryptionParams encryptionParams; 8417 final String packageAbiOverride; 8418 final String packageInstructionSetOverride; 8419 8420 InstallParams(Uri packageURI, 8421 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8422 int flags, String installerPackageName, VerificationParams verificationParams, 8423 ContainerEncryptionParams encryptionParams, UserHandle user, 8424 String packageAbiOverride) { 8425 super(user); 8426 this.mPackageURI = packageURI; 8427 this.flags = flags; 8428 this.observer = observer; 8429 this.observer2 = observer2; 8430 this.installerPackageName = installerPackageName; 8431 this.verificationParams = verificationParams; 8432 this.encryptionParams = encryptionParams; 8433 this.packageAbiOverride = packageAbiOverride; 8434 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8435 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8436 } 8437 8438 @Override 8439 public String toString() { 8440 return "InstallParams{" 8441 + Integer.toHexString(System.identityHashCode(this)) 8442 + " " + mPackageURI + "}"; 8443 } 8444 8445 public ManifestDigest getManifestDigest() { 8446 if (verificationParams == null) { 8447 return null; 8448 } 8449 return verificationParams.getManifestDigest(); 8450 } 8451 8452 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8453 String packageName = pkgLite.packageName; 8454 int installLocation = pkgLite.installLocation; 8455 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8456 // reader 8457 synchronized (mPackages) { 8458 PackageParser.Package pkg = mPackages.get(packageName); 8459 if (pkg != null) { 8460 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8461 // Check for downgrading. 8462 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8463 if (pkgLite.versionCode < pkg.mVersionCode) { 8464 Slog.w(TAG, "Can't install update of " + packageName 8465 + " update version " + pkgLite.versionCode 8466 + " is older than installed version " 8467 + pkg.mVersionCode); 8468 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8469 } 8470 } 8471 // Check for updated system application. 8472 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8473 if (onSd) { 8474 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8475 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8476 } 8477 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8478 } else { 8479 if (onSd) { 8480 // Install flag overrides everything. 8481 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8482 } 8483 // If current upgrade specifies particular preference 8484 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8485 // Application explicitly specified internal. 8486 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8487 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8488 // App explictly prefers external. Let policy decide 8489 } else { 8490 // Prefer previous location 8491 if (isExternal(pkg)) { 8492 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8493 } 8494 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8495 } 8496 } 8497 } else { 8498 // Invalid install. Return error code 8499 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8500 } 8501 } 8502 } 8503 // All the special cases have been taken care of. 8504 // Return result based on recommended install location. 8505 if (onSd) { 8506 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8507 } 8508 return pkgLite.recommendedInstallLocation; 8509 } 8510 8511 private long getMemoryLowThreshold() { 8512 final DeviceStorageMonitorInternal 8513 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8514 if (dsm == null) { 8515 return 0L; 8516 } 8517 return dsm.getMemoryLowThreshold(); 8518 } 8519 8520 /* 8521 * Invoke remote method to get package information and install 8522 * location values. Override install location based on default 8523 * policy if needed and then create install arguments based 8524 * on the install location. 8525 */ 8526 public void handleStartCopy() throws RemoteException { 8527 int ret = PackageManager.INSTALL_SUCCEEDED; 8528 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8529 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8530 PackageInfoLite pkgLite = null; 8531 8532 if (onInt && onSd) { 8533 // Check if both bits are set. 8534 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8535 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8536 } else { 8537 final long lowThreshold = getMemoryLowThreshold(); 8538 if (lowThreshold == 0L) { 8539 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8540 } 8541 8542 try { 8543 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8544 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8545 8546 final File packageFile; 8547 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8548 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8549 if (mTempPackage != null) { 8550 ParcelFileDescriptor out; 8551 try { 8552 out = ParcelFileDescriptor.open(mTempPackage, 8553 ParcelFileDescriptor.MODE_READ_WRITE); 8554 } catch (FileNotFoundException e) { 8555 out = null; 8556 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8557 } 8558 8559 // Make a temporary file for decryption. 8560 ret = mContainerService 8561 .copyResource(mPackageURI, encryptionParams, out); 8562 IoUtils.closeQuietly(out); 8563 8564 packageFile = mTempPackage; 8565 8566 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8567 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8568 | FileUtils.S_IROTH, 8569 -1, -1); 8570 } else { 8571 packageFile = null; 8572 } 8573 } else { 8574 packageFile = new File(mPackageURI.getPath()); 8575 } 8576 8577 if (packageFile != null) { 8578 // Remote call to find out default install location 8579 final String packageFilePath = packageFile.getAbsolutePath(); 8580 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8581 lowThreshold, packageAbiOverride); 8582 8583 /* 8584 * If we have too little free space, try to free cache 8585 * before giving up. 8586 */ 8587 if (pkgLite.recommendedInstallLocation 8588 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8589 final long size = mContainerService.calculateInstalledSize( 8590 packageFilePath, isForwardLocked(), packageAbiOverride); 8591 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8592 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8593 flags, lowThreshold, packageAbiOverride); 8594 } 8595 /* 8596 * The cache free must have deleted the file we 8597 * downloaded to install. 8598 * 8599 * TODO: fix the "freeCache" call to not delete 8600 * the file we care about. 8601 */ 8602 if (pkgLite.recommendedInstallLocation 8603 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8604 pkgLite.recommendedInstallLocation 8605 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8606 } 8607 } 8608 } 8609 } finally { 8610 mContext.revokeUriPermission(mPackageURI, 8611 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8612 } 8613 } 8614 8615 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8616 int loc = pkgLite.recommendedInstallLocation; 8617 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8618 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8619 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8620 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8621 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8622 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8623 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8624 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8625 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8626 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8627 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8628 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8629 } else { 8630 // Override with defaults if needed. 8631 loc = installLocationPolicy(pkgLite, flags); 8632 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8633 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8634 } else if (!onSd && !onInt) { 8635 // Override install location with flags 8636 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8637 // Set the flag to install on external media. 8638 flags |= PackageManager.INSTALL_EXTERNAL; 8639 flags &= ~PackageManager.INSTALL_INTERNAL; 8640 } else { 8641 // Make sure the flag for installing on external 8642 // media is unset 8643 flags |= PackageManager.INSTALL_INTERNAL; 8644 flags &= ~PackageManager.INSTALL_EXTERNAL; 8645 } 8646 } 8647 } 8648 } 8649 8650 final InstallArgs args = createInstallArgs(this); 8651 mArgs = args; 8652 8653 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8654 /* 8655 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8656 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8657 */ 8658 int userIdentifier = getUser().getIdentifier(); 8659 if (userIdentifier == UserHandle.USER_ALL 8660 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8661 userIdentifier = UserHandle.USER_OWNER; 8662 } 8663 8664 /* 8665 * Determine if we have any installed package verifiers. If we 8666 * do, then we'll defer to them to verify the packages. 8667 */ 8668 final int requiredUid = mRequiredVerifierPackage == null ? -1 8669 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8670 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8671 final Intent verification = new Intent( 8672 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8673 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8674 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8675 8676 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8677 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8678 0 /* TODO: Which userId? */); 8679 8680 if (DEBUG_VERIFY) { 8681 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8682 + verification.toString() + " with " + pkgLite.verifiers.length 8683 + " optional verifiers"); 8684 } 8685 8686 final int verificationId = mPendingVerificationToken++; 8687 8688 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8689 8690 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8691 installerPackageName); 8692 8693 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8694 8695 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8696 pkgLite.packageName); 8697 8698 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8699 pkgLite.versionCode); 8700 8701 if (verificationParams != null) { 8702 if (verificationParams.getVerificationURI() != null) { 8703 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8704 verificationParams.getVerificationURI()); 8705 } 8706 if (verificationParams.getOriginatingURI() != null) { 8707 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8708 verificationParams.getOriginatingURI()); 8709 } 8710 if (verificationParams.getReferrer() != null) { 8711 verification.putExtra(Intent.EXTRA_REFERRER, 8712 verificationParams.getReferrer()); 8713 } 8714 if (verificationParams.getOriginatingUid() >= 0) { 8715 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8716 verificationParams.getOriginatingUid()); 8717 } 8718 if (verificationParams.getInstallerUid() >= 0) { 8719 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8720 verificationParams.getInstallerUid()); 8721 } 8722 } 8723 8724 final PackageVerificationState verificationState = new PackageVerificationState( 8725 requiredUid, args); 8726 8727 mPendingVerification.append(verificationId, verificationState); 8728 8729 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8730 receivers, verificationState); 8731 8732 /* 8733 * If any sufficient verifiers were listed in the package 8734 * manifest, attempt to ask them. 8735 */ 8736 if (sufficientVerifiers != null) { 8737 final int N = sufficientVerifiers.size(); 8738 if (N == 0) { 8739 Slog.i(TAG, "Additional verifiers required, but none installed."); 8740 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8741 } else { 8742 for (int i = 0; i < N; i++) { 8743 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8744 8745 final Intent sufficientIntent = new Intent(verification); 8746 sufficientIntent.setComponent(verifierComponent); 8747 8748 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8749 } 8750 } 8751 } 8752 8753 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8754 mRequiredVerifierPackage, receivers); 8755 if (ret == PackageManager.INSTALL_SUCCEEDED 8756 && mRequiredVerifierPackage != null) { 8757 /* 8758 * Send the intent to the required verification agent, 8759 * but only start the verification timeout after the 8760 * target BroadcastReceivers have run. 8761 */ 8762 verification.setComponent(requiredVerifierComponent); 8763 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8764 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8765 new BroadcastReceiver() { 8766 @Override 8767 public void onReceive(Context context, Intent intent) { 8768 final Message msg = mHandler 8769 .obtainMessage(CHECK_PENDING_VERIFICATION); 8770 msg.arg1 = verificationId; 8771 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8772 } 8773 }, null, 0, null, null); 8774 8775 /* 8776 * We don't want the copy to proceed until verification 8777 * succeeds, so null out this field. 8778 */ 8779 mArgs = null; 8780 } 8781 } else { 8782 /* 8783 * No package verification is enabled, so immediately start 8784 * the remote call to initiate copy using temporary file. 8785 */ 8786 ret = args.copyApk(mContainerService, true); 8787 } 8788 } 8789 8790 mRet = ret; 8791 } 8792 8793 @Override 8794 void handleReturnCode() { 8795 // If mArgs is null, then MCS couldn't be reached. When it 8796 // reconnects, it will try again to install. At that point, this 8797 // will succeed. 8798 if (mArgs != null) { 8799 processPendingInstall(mArgs, mRet); 8800 8801 if (mTempPackage != null) { 8802 if (!mTempPackage.delete()) { 8803 Slog.w(TAG, "Couldn't delete temporary file: " + 8804 mTempPackage.getAbsolutePath()); 8805 } 8806 } 8807 } 8808 } 8809 8810 @Override 8811 void handleServiceError() { 8812 mArgs = createInstallArgs(this); 8813 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8814 } 8815 8816 public boolean isForwardLocked() { 8817 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8818 } 8819 8820 public Uri getPackageUri() { 8821 if (mTempPackage != null) { 8822 return Uri.fromFile(mTempPackage); 8823 } else { 8824 return mPackageURI; 8825 } 8826 } 8827 } 8828 8829 /* 8830 * Utility class used in movePackage api. 8831 * srcArgs and targetArgs are not set for invalid flags and make 8832 * sure to do null checks when invoking methods on them. 8833 * We probably want to return ErrorPrams for both failed installs 8834 * and moves. 8835 */ 8836 class MoveParams extends HandlerParams { 8837 final IPackageMoveObserver observer; 8838 final int flags; 8839 final String packageName; 8840 final InstallArgs srcArgs; 8841 final InstallArgs targetArgs; 8842 int uid; 8843 int mRet; 8844 8845 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8846 String packageName, String dataDir, String instructionSet, 8847 int uid, UserHandle user) { 8848 super(user); 8849 this.srcArgs = srcArgs; 8850 this.observer = observer; 8851 this.flags = flags; 8852 this.packageName = packageName; 8853 this.uid = uid; 8854 if (srcArgs != null) { 8855 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8856 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8857 } else { 8858 targetArgs = null; 8859 } 8860 } 8861 8862 @Override 8863 public String toString() { 8864 return "MoveParams{" 8865 + Integer.toHexString(System.identityHashCode(this)) 8866 + " " + packageName + "}"; 8867 } 8868 8869 public void handleStartCopy() throws RemoteException { 8870 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8871 // Check for storage space on target medium 8872 if (!targetArgs.checkFreeStorage(mContainerService)) { 8873 Log.w(TAG, "Insufficient storage to install"); 8874 return; 8875 } 8876 8877 mRet = srcArgs.doPreCopy(); 8878 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8879 return; 8880 } 8881 8882 mRet = targetArgs.copyApk(mContainerService, false); 8883 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8884 srcArgs.doPostCopy(uid); 8885 return; 8886 } 8887 8888 mRet = srcArgs.doPostCopy(uid); 8889 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8890 return; 8891 } 8892 8893 mRet = targetArgs.doPreInstall(mRet); 8894 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8895 return; 8896 } 8897 8898 if (DEBUG_SD_INSTALL) { 8899 StringBuilder builder = new StringBuilder(); 8900 if (srcArgs != null) { 8901 builder.append("src: "); 8902 builder.append(srcArgs.getCodePath()); 8903 } 8904 if (targetArgs != null) { 8905 builder.append(" target : "); 8906 builder.append(targetArgs.getCodePath()); 8907 } 8908 Log.i(TAG, builder.toString()); 8909 } 8910 } 8911 8912 @Override 8913 void handleReturnCode() { 8914 targetArgs.doPostInstall(mRet, uid); 8915 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8916 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8917 currentStatus = PackageManager.MOVE_SUCCEEDED; 8918 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8919 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8920 } 8921 processPendingMove(this, currentStatus); 8922 } 8923 8924 @Override 8925 void handleServiceError() { 8926 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8927 } 8928 } 8929 8930 /** 8931 * Used during creation of InstallArgs 8932 * 8933 * @param flags package installation flags 8934 * @return true if should be installed on external storage 8935 */ 8936 private static boolean installOnSd(int flags) { 8937 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8938 return false; 8939 } 8940 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8941 return true; 8942 } 8943 return false; 8944 } 8945 8946 /** 8947 * Used during creation of InstallArgs 8948 * 8949 * @param flags package installation flags 8950 * @return true if should be installed as forward locked 8951 */ 8952 private static boolean installForwardLocked(int flags) { 8953 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8954 } 8955 8956 private InstallArgs createInstallArgs(InstallParams params) { 8957 if (installOnSd(params.flags) || params.isForwardLocked()) { 8958 return new AsecInstallArgs(params); 8959 } else { 8960 return new FileInstallArgs(params); 8961 } 8962 } 8963 8964 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8965 String nativeLibraryPath, String instructionSet) { 8966 final boolean isInAsec; 8967 if (installOnSd(flags)) { 8968 /* Apps on SD card are always in ASEC containers. */ 8969 isInAsec = true; 8970 } else if (installForwardLocked(flags) 8971 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8972 /* 8973 * Forward-locked apps are only in ASEC containers if they're the 8974 * new style 8975 */ 8976 isInAsec = true; 8977 } else { 8978 isInAsec = false; 8979 } 8980 8981 if (isInAsec) { 8982 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8983 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8984 } else { 8985 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8986 instructionSet); 8987 } 8988 } 8989 8990 // Used by package mover 8991 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8992 String instructionSet) { 8993 if (installOnSd(flags) || installForwardLocked(flags)) { 8994 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8995 + AsecInstallArgs.RES_FILE_NAME); 8996 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8997 installForwardLocked(flags)); 8998 } else { 8999 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 9000 } 9001 } 9002 9003 static abstract class InstallArgs { 9004 final IPackageInstallObserver observer; 9005 final IPackageInstallObserver2 observer2; 9006 // Always refers to PackageManager flags only 9007 final int flags; 9008 final Uri packageURI; 9009 final String installerPackageName; 9010 final ManifestDigest manifestDigest; 9011 final UserHandle user; 9012 final String instructionSet; 9013 final String abiOverride; 9014 9015 InstallArgs(Uri packageURI, 9016 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 9017 int flags, String installerPackageName, ManifestDigest manifestDigest, 9018 UserHandle user, String instructionSet, String abiOverride) { 9019 this.packageURI = packageURI; 9020 this.flags = flags; 9021 this.observer = observer; 9022 this.observer2 = observer2; 9023 this.installerPackageName = installerPackageName; 9024 this.manifestDigest = manifestDigest; 9025 this.user = user; 9026 this.instructionSet = instructionSet; 9027 this.abiOverride = abiOverride; 9028 } 9029 9030 abstract void createCopyFile(); 9031 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9032 abstract int doPreInstall(int status); 9033 abstract boolean doRename(int status, String pkgName, String oldCodePath); 9034 9035 abstract int doPostInstall(int status, int uid); 9036 abstract String getCodePath(); 9037 abstract String getResourcePath(); 9038 abstract String getNativeLibraryPath(); 9039 // Need installer lock especially for dex file removal. 9040 abstract void cleanUpResourcesLI(); 9041 abstract boolean doPostDeleteLI(boolean delete); 9042 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9043 9044 String[] getSplitCodePaths() { 9045 return null; 9046 } 9047 9048 /** 9049 * Called before the source arguments are copied. This is used mostly 9050 * for MoveParams when it needs to read the source file to put it in the 9051 * destination. 9052 */ 9053 int doPreCopy() { 9054 return PackageManager.INSTALL_SUCCEEDED; 9055 } 9056 9057 /** 9058 * Called after the source arguments are copied. This is used mostly for 9059 * MoveParams when it needs to read the source file to put it in the 9060 * destination. 9061 * 9062 * @return 9063 */ 9064 int doPostCopy(int uid) { 9065 return PackageManager.INSTALL_SUCCEEDED; 9066 } 9067 9068 protected boolean isFwdLocked() { 9069 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9070 } 9071 9072 UserHandle getUser() { 9073 return user; 9074 } 9075 } 9076 9077 class FileInstallArgs extends InstallArgs { 9078 File installDir; 9079 String codeFileName; 9080 String resourceFileName; 9081 String libraryPath; 9082 boolean created = false; 9083 9084 FileInstallArgs(InstallParams params) { 9085 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9086 params.installerPackageName, params.getManifestDigest(), 9087 params.getUser(), params.packageInstructionSetOverride, 9088 params.packageAbiOverride); 9089 } 9090 9091 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9092 String instructionSet) { 9093 super(null, null, null, 0, null, null, null, instructionSet, null); 9094 File codeFile = new File(fullCodePath); 9095 installDir = codeFile.getParentFile(); 9096 codeFileName = fullCodePath; 9097 resourceFileName = fullResourcePath; 9098 libraryPath = nativeLibraryPath; 9099 } 9100 9101 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 9102 super(packageURI, null, null, 0, null, null, null, instructionSet, null); 9103 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9104 String apkName = getNextCodePath(null, pkgName, ".apk"); 9105 codeFileName = new File(installDir, apkName + ".apk").getPath(); 9106 resourceFileName = getResourcePathFromCodePath(); 9107 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 9108 } 9109 9110 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9111 final long lowThreshold; 9112 9113 final DeviceStorageMonitorInternal 9114 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9115 if (dsm == null) { 9116 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9117 lowThreshold = 0L; 9118 } else { 9119 if (dsm.isMemoryLow()) { 9120 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9121 return false; 9122 } 9123 9124 lowThreshold = dsm.getMemoryLowThreshold(); 9125 } 9126 9127 try { 9128 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9129 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9130 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9131 } finally { 9132 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9133 } 9134 } 9135 9136 void createCopyFile() { 9137 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9138 codeFileName = createTempPackageFile(installDir).getPath(); 9139 resourceFileName = getResourcePathFromCodePath(); 9140 libraryPath = getLibraryPathFromCodePath(); 9141 created = true; 9142 } 9143 9144 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9145 if (temp) { 9146 // Generate temp file name 9147 createCopyFile(); 9148 } 9149 // Get a ParcelFileDescriptor to write to the output file 9150 File codeFile = new File(codeFileName); 9151 if (!created) { 9152 try { 9153 codeFile.createNewFile(); 9154 // Set permissions 9155 if (!setPermissions()) { 9156 // Failed setting permissions. 9157 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9158 } 9159 } catch (IOException e) { 9160 Slog.w(TAG, "Failed to create file " + codeFile); 9161 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9162 } 9163 } 9164 ParcelFileDescriptor out = null; 9165 try { 9166 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9167 } catch (FileNotFoundException e) { 9168 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9169 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9170 } 9171 // Copy the resource now 9172 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9173 try { 9174 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9175 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9176 ret = imcs.copyResource(packageURI, null, out); 9177 } finally { 9178 IoUtils.closeQuietly(out); 9179 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9180 } 9181 9182 if (isFwdLocked()) { 9183 final File destResourceFile = new File(getResourcePath()); 9184 9185 // Copy the public files 9186 try { 9187 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9188 } catch (IOException e) { 9189 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9190 + " forward-locked app."); 9191 destResourceFile.delete(); 9192 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9193 } 9194 } 9195 9196 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9197 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9198 if (nativeLibraryFile.exists()) { 9199 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9200 nativeLibraryFile.delete(); 9201 } 9202 9203 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(codeFile); 9204 String[] abiList = (abiOverride != null) ? 9205 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9206 try { 9207 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 9208 abiOverride == null && 9209 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9210 abiList = Build.SUPPORTED_32_BIT_ABIS; 9211 } 9212 9213 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 9214 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9215 return copyRet; 9216 } 9217 } catch (IOException e) { 9218 Slog.e(TAG, "Copying native libraries failed", e); 9219 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9220 } finally { 9221 handle.close(); 9222 } 9223 9224 return ret; 9225 } 9226 9227 int doPreInstall(int status) { 9228 if (status != PackageManager.INSTALL_SUCCEEDED) { 9229 cleanUp(); 9230 } 9231 return status; 9232 } 9233 9234 boolean doRename(int status, final String pkgName, String oldCodePath) { 9235 if (status != PackageManager.INSTALL_SUCCEEDED) { 9236 cleanUp(); 9237 return false; 9238 } else { 9239 final File oldCodeFile = new File(getCodePath()); 9240 final File oldResourceFile = new File(getResourcePath()); 9241 final File oldLibraryFile = new File(getNativeLibraryPath()); 9242 9243 // Rename APK file based on packageName 9244 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9245 final File newCodeFile = new File(installDir, apkName + ".apk"); 9246 if (!oldCodeFile.renameTo(newCodeFile)) { 9247 return false; 9248 } 9249 codeFileName = newCodeFile.getPath(); 9250 9251 // Rename public resource file if it's forward-locked. 9252 final File newResFile = new File(getResourcePathFromCodePath()); 9253 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9254 return false; 9255 } 9256 resourceFileName = newResFile.getPath(); 9257 9258 // Rename library path 9259 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9260 if (newLibraryFile.exists()) { 9261 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9262 newLibraryFile.delete(); 9263 } 9264 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9265 Slog.e(TAG, "Cannot rename native library directory " 9266 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9267 return false; 9268 } 9269 libraryPath = newLibraryFile.getPath(); 9270 9271 // Attempt to set permissions 9272 if (!setPermissions()) { 9273 return false; 9274 } 9275 9276 if (!SELinux.restorecon(newCodeFile)) { 9277 return false; 9278 } 9279 9280 return true; 9281 } 9282 } 9283 9284 int doPostInstall(int status, int uid) { 9285 if (status != PackageManager.INSTALL_SUCCEEDED) { 9286 cleanUp(); 9287 } 9288 return status; 9289 } 9290 9291 private String getResourcePathFromCodePath() { 9292 final String codePath = getCodePath(); 9293 if (isFwdLocked()) { 9294 final StringBuilder sb = new StringBuilder(); 9295 9296 sb.append(mAppInstallDir.getPath()); 9297 sb.append('/'); 9298 sb.append(getApkName(codePath)); 9299 sb.append(".zip"); 9300 9301 /* 9302 * If our APK is a temporary file, mark the resource as a 9303 * temporary file as well so it can be cleaned up after 9304 * catastrophic failure. 9305 */ 9306 if (codePath.endsWith(".tmp")) { 9307 sb.append(".tmp"); 9308 } 9309 9310 return sb.toString(); 9311 } else { 9312 return codePath; 9313 } 9314 } 9315 9316 private String getLibraryPathFromCodePath() { 9317 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9318 } 9319 9320 @Override 9321 String getCodePath() { 9322 return codeFileName; 9323 } 9324 9325 @Override 9326 String getResourcePath() { 9327 return resourceFileName; 9328 } 9329 9330 @Override 9331 String getNativeLibraryPath() { 9332 if (libraryPath == null) { 9333 libraryPath = getLibraryPathFromCodePath(); 9334 } 9335 return libraryPath; 9336 } 9337 9338 private boolean cleanUp() { 9339 boolean ret = true; 9340 String sourceDir = getCodePath(); 9341 String publicSourceDir = getResourcePath(); 9342 if (sourceDir != null) { 9343 File sourceFile = new File(sourceDir); 9344 if (!sourceFile.exists()) { 9345 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9346 ret = false; 9347 } 9348 // Delete application's code and resources 9349 sourceFile.delete(); 9350 } 9351 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9352 final File publicSourceFile = new File(publicSourceDir); 9353 if (!publicSourceFile.exists()) { 9354 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9355 } 9356 if (publicSourceFile.exists()) { 9357 publicSourceFile.delete(); 9358 } 9359 } 9360 9361 if (libraryPath != null) { 9362 File nativeLibraryFile = new File(libraryPath); 9363 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9364 if (!nativeLibraryFile.delete()) { 9365 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9366 } 9367 } 9368 9369 return ret; 9370 } 9371 9372 void cleanUpResourcesLI() { 9373 String sourceDir = getCodePath(); 9374 if (cleanUp()) { 9375 if (instructionSet == null) { 9376 throw new IllegalStateException("instructionSet == null"); 9377 } 9378 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9379 if (retCode < 0) { 9380 Slog.w(TAG, "Couldn't remove dex file for package: " 9381 + " at location " 9382 + sourceDir + ", retcode=" + retCode); 9383 // we don't consider this to be a failure of the core package deletion 9384 } 9385 } 9386 } 9387 9388 private boolean setPermissions() { 9389 // TODO Do this in a more elegant way later on. for now just a hack 9390 if (!isFwdLocked()) { 9391 final int filePermissions = 9392 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9393 |FileUtils.S_IROTH; 9394 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9395 if (retCode != 0) { 9396 Slog.e(TAG, "Couldn't set new package file permissions for " + 9397 getCodePath() 9398 + ". The return code was: " + retCode); 9399 // TODO Define new internal error 9400 return false; 9401 } 9402 return true; 9403 } 9404 return true; 9405 } 9406 9407 boolean doPostDeleteLI(boolean delete) { 9408 // XXX err, shouldn't we respect the delete flag? 9409 cleanUpResourcesLI(); 9410 return true; 9411 } 9412 } 9413 9414 private boolean isAsecExternal(String cid) { 9415 final String asecPath = PackageHelper.getSdFilesystem(cid); 9416 return !asecPath.startsWith(mAsecInternalPath); 9417 } 9418 9419 /** 9420 * Extract the MountService "container ID" from the full code path of an 9421 * .apk. 9422 */ 9423 static String cidFromCodePath(String fullCodePath) { 9424 int eidx = fullCodePath.lastIndexOf("/"); 9425 String subStr1 = fullCodePath.substring(0, eidx); 9426 int sidx = subStr1.lastIndexOf("/"); 9427 return subStr1.substring(sidx+1, eidx); 9428 } 9429 9430 class AsecInstallArgs extends InstallArgs { 9431 static final String RES_FILE_NAME = "pkg.apk"; 9432 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9433 9434 String cid; 9435 String packagePath; 9436 String resourcePath; 9437 String libraryPath; 9438 9439 AsecInstallArgs(InstallParams params) { 9440 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9441 params.installerPackageName, params.getManifestDigest(), 9442 params.getUser(), params.packageInstructionSetOverride, 9443 params.packageAbiOverride); 9444 } 9445 9446 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9447 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9448 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9449 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9450 null, null, null, instructionSet, null); 9451 // Extract cid from fullCodePath 9452 int eidx = fullCodePath.lastIndexOf("/"); 9453 String subStr1 = fullCodePath.substring(0, eidx); 9454 int sidx = subStr1.lastIndexOf("/"); 9455 cid = subStr1.substring(sidx+1, eidx); 9456 setCachePath(subStr1); 9457 } 9458 9459 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9460 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9461 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9462 null, null, null, instructionSet, null); 9463 this.cid = cid; 9464 setCachePath(PackageHelper.getSdDir(cid)); 9465 } 9466 9467 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9468 boolean isExternal, boolean isForwardLocked) { 9469 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9470 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9471 null, null, null, instructionSet, null); 9472 this.cid = cid; 9473 } 9474 9475 void createCopyFile() { 9476 cid = getTempContainerId(); 9477 } 9478 9479 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9480 try { 9481 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9482 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9483 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9484 } finally { 9485 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9486 } 9487 } 9488 9489 private final boolean isExternal() { 9490 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9491 } 9492 9493 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9494 if (temp) { 9495 createCopyFile(); 9496 } else { 9497 /* 9498 * Pre-emptively destroy the container since it's destroyed if 9499 * copying fails due to it existing anyway. 9500 */ 9501 PackageHelper.destroySdDir(cid); 9502 } 9503 9504 final String newCachePath; 9505 try { 9506 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9507 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9508 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9509 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9510 abiOverride); 9511 } finally { 9512 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9513 } 9514 9515 if (newCachePath != null) { 9516 setCachePath(newCachePath); 9517 return PackageManager.INSTALL_SUCCEEDED; 9518 } else { 9519 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9520 } 9521 } 9522 9523 @Override 9524 String getCodePath() { 9525 return packagePath; 9526 } 9527 9528 @Override 9529 String getResourcePath() { 9530 return resourcePath; 9531 } 9532 9533 @Override 9534 String getNativeLibraryPath() { 9535 return libraryPath; 9536 } 9537 9538 int doPreInstall(int status) { 9539 if (status != PackageManager.INSTALL_SUCCEEDED) { 9540 // Destroy container 9541 PackageHelper.destroySdDir(cid); 9542 } else { 9543 boolean mounted = PackageHelper.isContainerMounted(cid); 9544 if (!mounted) { 9545 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9546 Process.SYSTEM_UID); 9547 if (newCachePath != null) { 9548 setCachePath(newCachePath); 9549 } else { 9550 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9551 } 9552 } 9553 } 9554 return status; 9555 } 9556 9557 boolean doRename(int status, final String pkgName, 9558 String oldCodePath) { 9559 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9560 String newCachePath = null; 9561 if (PackageHelper.isContainerMounted(cid)) { 9562 // Unmount the container 9563 if (!PackageHelper.unMountSdDir(cid)) { 9564 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9565 return false; 9566 } 9567 } 9568 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9569 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9570 " which might be stale. Will try to clean up."); 9571 // Clean up the stale container and proceed to recreate. 9572 if (!PackageHelper.destroySdDir(newCacheId)) { 9573 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9574 return false; 9575 } 9576 // Successfully cleaned up stale container. Try to rename again. 9577 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9578 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9579 + " inspite of cleaning it up."); 9580 return false; 9581 } 9582 } 9583 if (!PackageHelper.isContainerMounted(newCacheId)) { 9584 Slog.w(TAG, "Mounting container " + newCacheId); 9585 newCachePath = PackageHelper.mountSdDir(newCacheId, 9586 getEncryptKey(), Process.SYSTEM_UID); 9587 } else { 9588 newCachePath = PackageHelper.getSdDir(newCacheId); 9589 } 9590 if (newCachePath == null) { 9591 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9592 return false; 9593 } 9594 Log.i(TAG, "Succesfully renamed " + cid + 9595 " to " + newCacheId + 9596 " at new path: " + newCachePath); 9597 cid = newCacheId; 9598 setCachePath(newCachePath); 9599 return true; 9600 } 9601 9602 private void setCachePath(String newCachePath) { 9603 File cachePath = new File(newCachePath); 9604 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9605 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9606 9607 if (isFwdLocked()) { 9608 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9609 } else { 9610 resourcePath = packagePath; 9611 } 9612 } 9613 9614 int doPostInstall(int status, int uid) { 9615 if (status != PackageManager.INSTALL_SUCCEEDED) { 9616 cleanUp(); 9617 } else { 9618 final int groupOwner; 9619 final String protectedFile; 9620 if (isFwdLocked()) { 9621 groupOwner = UserHandle.getSharedAppGid(uid); 9622 protectedFile = RES_FILE_NAME; 9623 } else { 9624 groupOwner = -1; 9625 protectedFile = null; 9626 } 9627 9628 if (uid < Process.FIRST_APPLICATION_UID 9629 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9630 Slog.e(TAG, "Failed to finalize " + cid); 9631 PackageHelper.destroySdDir(cid); 9632 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9633 } 9634 9635 boolean mounted = PackageHelper.isContainerMounted(cid); 9636 if (!mounted) { 9637 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9638 } 9639 } 9640 return status; 9641 } 9642 9643 private void cleanUp() { 9644 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9645 9646 // Destroy secure container 9647 PackageHelper.destroySdDir(cid); 9648 } 9649 9650 void cleanUpResourcesLI() { 9651 String sourceFile = getCodePath(); 9652 // Remove dex file 9653 if (instructionSet == null) { 9654 throw new IllegalStateException("instructionSet == null"); 9655 } 9656 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9657 if (retCode < 0) { 9658 Slog.w(TAG, "Couldn't remove dex file for package: " 9659 + " at location " 9660 + sourceFile.toString() + ", retcode=" + retCode); 9661 // we don't consider this to be a failure of the core package deletion 9662 } 9663 cleanUp(); 9664 } 9665 9666 boolean matchContainer(String app) { 9667 if (cid.startsWith(app)) { 9668 return true; 9669 } 9670 return false; 9671 } 9672 9673 String getPackageName() { 9674 return getAsecPackageName(cid); 9675 } 9676 9677 boolean doPostDeleteLI(boolean delete) { 9678 boolean ret = false; 9679 boolean mounted = PackageHelper.isContainerMounted(cid); 9680 if (mounted) { 9681 // Unmount first 9682 ret = PackageHelper.unMountSdDir(cid); 9683 } 9684 if (ret && delete) { 9685 cleanUpResourcesLI(); 9686 } 9687 return ret; 9688 } 9689 9690 @Override 9691 int doPreCopy() { 9692 if (isFwdLocked()) { 9693 if (!PackageHelper.fixSdPermissions(cid, 9694 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9695 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9696 } 9697 } 9698 9699 return PackageManager.INSTALL_SUCCEEDED; 9700 } 9701 9702 @Override 9703 int doPostCopy(int uid) { 9704 if (isFwdLocked()) { 9705 if (uid < Process.FIRST_APPLICATION_UID 9706 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9707 RES_FILE_NAME)) { 9708 Slog.e(TAG, "Failed to finalize " + cid); 9709 PackageHelper.destroySdDir(cid); 9710 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9711 } 9712 } 9713 9714 return PackageManager.INSTALL_SUCCEEDED; 9715 } 9716 }; 9717 9718 static String getAsecPackageName(String packageCid) { 9719 int idx = packageCid.lastIndexOf("-"); 9720 if (idx == -1) { 9721 return packageCid; 9722 } 9723 return packageCid.substring(0, idx); 9724 } 9725 9726 // Utility method used to create code paths based on package name and available index. 9727 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9728 String idxStr = ""; 9729 int idx = 1; 9730 // Fall back to default value of idx=1 if prefix is not 9731 // part of oldCodePath 9732 if (oldCodePath != null) { 9733 String subStr = oldCodePath; 9734 // Drop the suffix right away 9735 if (subStr.endsWith(suffix)) { 9736 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9737 } 9738 // If oldCodePath already contains prefix find out the 9739 // ending index to either increment or decrement. 9740 int sidx = subStr.lastIndexOf(prefix); 9741 if (sidx != -1) { 9742 subStr = subStr.substring(sidx + prefix.length()); 9743 if (subStr != null) { 9744 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9745 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9746 } 9747 try { 9748 idx = Integer.parseInt(subStr); 9749 if (idx <= 1) { 9750 idx++; 9751 } else { 9752 idx--; 9753 } 9754 } catch(NumberFormatException e) { 9755 } 9756 } 9757 } 9758 } 9759 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9760 return prefix + idxStr; 9761 } 9762 9763 // Utility method used to ignore ADD/REMOVE events 9764 // by directory observer. 9765 private static boolean ignoreCodePath(String fullPathStr) { 9766 String apkName = getApkName(fullPathStr); 9767 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9768 if (idx != -1 && ((idx+1) < apkName.length())) { 9769 // Make sure the package ends with a numeral 9770 String version = apkName.substring(idx+1); 9771 try { 9772 Integer.parseInt(version); 9773 return true; 9774 } catch (NumberFormatException e) {} 9775 } 9776 return false; 9777 } 9778 9779 // Utility method that returns the relative package path with respect 9780 // to the installation directory. Like say for /data/data/com.test-1.apk 9781 // string com.test-1 is returned. 9782 static String getApkName(String codePath) { 9783 if (codePath == null) { 9784 return null; 9785 } 9786 int sidx = codePath.lastIndexOf("/"); 9787 int eidx = codePath.lastIndexOf("."); 9788 if (eidx == -1) { 9789 eidx = codePath.length(); 9790 } else if (eidx == 0) { 9791 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9792 return null; 9793 } 9794 return codePath.substring(sidx+1, eidx); 9795 } 9796 9797 private static String[] deriveSplitResPaths(String[] splitCodePaths) { 9798 String[] splitResPaths = null; 9799 if (!ArrayUtils.isEmpty(splitCodePaths)) { 9800 splitResPaths = new String[splitCodePaths.length]; 9801 for (int i = 0; i < splitCodePaths.length; i++) { 9802 final String splitCodePath = splitCodePaths[i]; 9803 final String resName = getApkName(splitCodePath) + ".zip"; 9804 splitResPaths[i] = new File(new File(splitCodePath).getParentFile(), 9805 resName).getAbsolutePath(); 9806 } 9807 } 9808 return splitResPaths; 9809 } 9810 9811 class PackageInstalledInfo { 9812 String name; 9813 int uid; 9814 // The set of users that originally had this package installed. 9815 int[] origUsers; 9816 // The set of users that now have this package installed. 9817 int[] newUsers; 9818 PackageParser.Package pkg; 9819 int returnCode; 9820 PackageRemovedInfo removedInfo; 9821 9822 // In some error cases we want to convey more info back to the observer 9823 String origPackage; 9824 String origPermission; 9825 } 9826 9827 /* 9828 * Install a non-existing package. 9829 */ 9830 private void installNewPackageLI(PackageParser.Package pkg, 9831 int parseFlags, int scanMode, UserHandle user, 9832 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9833 // Remember this for later, in case we need to rollback this install 9834 String pkgName = pkg.packageName; 9835 9836 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9837 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9838 synchronized(mPackages) { 9839 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9840 // A package with the same name is already installed, though 9841 // it has been renamed to an older name. The package we 9842 // are trying to install should be installed as an update to 9843 // the existing one, but that has not been requested, so bail. 9844 Slog.w(TAG, "Attempt to re-install " + pkgName 9845 + " without first uninstalling package running as " 9846 + mSettings.mRenamedPackages.get(pkgName)); 9847 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9848 return; 9849 } 9850 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 9851 // Don't allow installation over an existing package with the same name. 9852 Slog.w(TAG, "Attempt to re-install " + pkgName 9853 + " without first uninstalling."); 9854 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9855 return; 9856 } 9857 } 9858 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9859 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9860 System.currentTimeMillis(), user, abiOverride); 9861 if (newPackage == null) { 9862 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9863 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9864 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9865 } 9866 } else { 9867 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9868 // delete the partially installed application. the data directory will have to be 9869 // restored if it was already existing 9870 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9871 // remove package from internal structures. Note that we want deletePackageX to 9872 // delete the package data and cache directories that it created in 9873 // scanPackageLocked, unless those directories existed before we even tried to 9874 // install. 9875 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9876 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9877 res.removedInfo, true); 9878 } 9879 } 9880 } 9881 9882 private void replacePackageLI(PackageParser.Package pkg, 9883 int parseFlags, int scanMode, UserHandle user, 9884 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9885 9886 PackageParser.Package oldPackage; 9887 String pkgName = pkg.packageName; 9888 int[] allUsers; 9889 boolean[] perUserInstalled; 9890 9891 // First find the old package info and check signatures 9892 synchronized(mPackages) { 9893 oldPackage = mPackages.get(pkgName); 9894 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9895 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9896 != PackageManager.SIGNATURE_MATCH) { 9897 Slog.w(TAG, "New package has a different signature: " + pkgName); 9898 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9899 return; 9900 } 9901 9902 // In case of rollback, remember per-user/profile install state 9903 PackageSetting ps = mSettings.mPackages.get(pkgName); 9904 allUsers = sUserManager.getUserIds(); 9905 perUserInstalled = new boolean[allUsers.length]; 9906 for (int i = 0; i < allUsers.length; i++) { 9907 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9908 } 9909 } 9910 boolean sysPkg = (isSystemApp(oldPackage)); 9911 if (sysPkg) { 9912 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9913 user, allUsers, perUserInstalled, installerPackageName, res, 9914 abiOverride); 9915 } else { 9916 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9917 user, allUsers, perUserInstalled, installerPackageName, res, 9918 abiOverride); 9919 } 9920 } 9921 9922 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9923 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9924 int[] allUsers, boolean[] perUserInstalled, 9925 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9926 PackageParser.Package newPackage = null; 9927 String pkgName = deletedPackage.packageName; 9928 boolean deletedPkg = true; 9929 boolean updatedSettings = false; 9930 9931 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9932 + deletedPackage); 9933 long origUpdateTime; 9934 if (pkg.mExtras != null) { 9935 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9936 } else { 9937 origUpdateTime = 0; 9938 } 9939 9940 // First delete the existing package while retaining the data directory 9941 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9942 res.removedInfo, true)) { 9943 // If the existing package wasn't successfully deleted 9944 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9945 deletedPkg = false; 9946 } else { 9947 // Successfully deleted the old package. Now proceed with re-installation 9948 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9949 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9950 System.currentTimeMillis(), user, abiOverride); 9951 if (newPackage == null) { 9952 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9953 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9954 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9955 } 9956 } else { 9957 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9958 updatedSettings = true; 9959 } 9960 } 9961 9962 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9963 // remove package from internal structures. Note that we want deletePackageX to 9964 // delete the package data and cache directories that it created in 9965 // scanPackageLocked, unless those directories existed before we even tried to 9966 // install. 9967 if(updatedSettings) { 9968 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9969 deletePackageLI( 9970 pkgName, null, true, allUsers, perUserInstalled, 9971 PackageManager.DELETE_KEEP_DATA, 9972 res.removedInfo, true); 9973 } 9974 // Since we failed to install the new package we need to restore the old 9975 // package that we deleted. 9976 if (deletedPkg) { 9977 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9978 File restoreFile = new File(deletedPackage.codePath); 9979 // Parse old package 9980 boolean oldOnSd = isExternal(deletedPackage); 9981 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9982 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9983 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9984 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9985 | SCAN_UPDATE_TIME; 9986 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9987 origUpdateTime, null, null) == null) { 9988 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9989 return; 9990 } 9991 // Restore of old package succeeded. Update permissions. 9992 // writer 9993 synchronized (mPackages) { 9994 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9995 UPDATE_PERMISSIONS_ALL); 9996 // can downgrade to reader 9997 mSettings.writeLPr(); 9998 } 9999 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10000 } 10001 } 10002 } 10003 10004 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10005 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10006 int[] allUsers, boolean[] perUserInstalled, 10007 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10008 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10009 + ", old=" + deletedPackage); 10010 PackageParser.Package newPackage = null; 10011 boolean updatedSettings = false; 10012 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 10013 PackageParser.PARSE_IS_SYSTEM; 10014 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10015 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10016 } 10017 String packageName = deletedPackage.packageName; 10018 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10019 if (packageName == null) { 10020 Slog.w(TAG, "Attempt to delete null packageName."); 10021 return; 10022 } 10023 PackageParser.Package oldPkg; 10024 PackageSetting oldPkgSetting; 10025 // reader 10026 synchronized (mPackages) { 10027 oldPkg = mPackages.get(packageName); 10028 oldPkgSetting = mSettings.mPackages.get(packageName); 10029 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10030 (oldPkgSetting == null)) { 10031 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 10032 return; 10033 } 10034 } 10035 10036 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10037 10038 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10039 res.removedInfo.removedPackage = packageName; 10040 // Remove existing system package 10041 removePackageLI(oldPkgSetting, true); 10042 // writer 10043 synchronized (mPackages) { 10044 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10045 // We didn't need to disable the .apk as a current system package, 10046 // which means we are replacing another update that is already 10047 // installed. We need to make sure to delete the older one's .apk. 10048 res.removedInfo.args = createInstallArgs(0, 10049 deletedPackage.applicationInfo.sourceDir, 10050 deletedPackage.applicationInfo.publicSourceDir, 10051 deletedPackage.applicationInfo.nativeLibraryDir, 10052 getAppInstructionSet(deletedPackage.applicationInfo)); 10053 } else { 10054 res.removedInfo.args = null; 10055 } 10056 } 10057 10058 // Successfully disabled the old package. Now proceed with re-installation 10059 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10060 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10061 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10062 if (newPackage == null) { 10063 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10064 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10065 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10066 } 10067 } else { 10068 if (newPackage.mExtras != null) { 10069 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10070 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10071 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10072 10073 // is the update attempting to change shared user? that isn't going to work... 10074 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10075 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10076 + " to " + newPkgSetting.sharedUser); 10077 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10078 updatedSettings = true; 10079 } 10080 } 10081 10082 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10083 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10084 updatedSettings = true; 10085 } 10086 } 10087 10088 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10089 // Re installation failed. Restore old information 10090 // Remove new pkg information 10091 if (newPackage != null) { 10092 removeInstalledPackageLI(newPackage, true); 10093 } 10094 // Add back the old system package 10095 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10096 // Restore the old system information in Settings 10097 synchronized(mPackages) { 10098 if (updatedSettings) { 10099 mSettings.enableSystemPackageLPw(packageName); 10100 mSettings.setInstallerPackageName(packageName, 10101 oldPkgSetting.installerPackageName); 10102 } 10103 mSettings.writeLPr(); 10104 } 10105 } 10106 } 10107 10108 // Utility method used to move dex files during install. 10109 private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) { 10110 // TODO: extend to move split APK dex files 10111 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10112 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 10113 int retCode = mInstaller.movedex(oldCodePath, newPackage.codePath, 10114 instructionSet); 10115 if (retCode != 0) { 10116 /* 10117 * Programs may be lazily run through dexopt, so the 10118 * source may not exist. However, something seems to 10119 * have gone wrong, so note that dexopt needs to be 10120 * run again and remove the source file. In addition, 10121 * remove the target to make sure there isn't a stale 10122 * file from a previous version of the package. 10123 */ 10124 newPackage.mDexOptNeeded = true; 10125 mInstaller.rmdex(oldCodePath, instructionSet); 10126 mInstaller.rmdex(newPackage.codePath, instructionSet); 10127 } 10128 } 10129 return PackageManager.INSTALL_SUCCEEDED; 10130 } 10131 10132 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10133 int[] allUsers, boolean[] perUserInstalled, 10134 PackageInstalledInfo res) { 10135 String pkgName = newPackage.packageName; 10136 synchronized (mPackages) { 10137 //write settings. the installStatus will be incomplete at this stage. 10138 //note that the new package setting would have already been 10139 //added to mPackages. It hasn't been persisted yet. 10140 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10141 mSettings.writeLPr(); 10142 } 10143 10144 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10145 10146 synchronized (mPackages) { 10147 updatePermissionsLPw(newPackage.packageName, newPackage, 10148 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10149 ? UPDATE_PERMISSIONS_ALL : 0)); 10150 // For system-bundled packages, we assume that installing an upgraded version 10151 // of the package implies that the user actually wants to run that new code, 10152 // so we enable the package. 10153 if (isSystemApp(newPackage)) { 10154 // NB: implicit assumption that system package upgrades apply to all users 10155 if (DEBUG_INSTALL) { 10156 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10157 } 10158 PackageSetting ps = mSettings.mPackages.get(pkgName); 10159 if (ps != null) { 10160 if (res.origUsers != null) { 10161 for (int userHandle : res.origUsers) { 10162 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10163 userHandle, installerPackageName); 10164 } 10165 } 10166 // Also convey the prior install/uninstall state 10167 if (allUsers != null && perUserInstalled != null) { 10168 for (int i = 0; i < allUsers.length; i++) { 10169 if (DEBUG_INSTALL) { 10170 Slog.d(TAG, " user " + allUsers[i] 10171 + " => " + perUserInstalled[i]); 10172 } 10173 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10174 } 10175 // these install state changes will be persisted in the 10176 // upcoming call to mSettings.writeLPr(). 10177 } 10178 } 10179 } 10180 res.name = pkgName; 10181 res.uid = newPackage.applicationInfo.uid; 10182 res.pkg = newPackage; 10183 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10184 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10185 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10186 //to update install status 10187 mSettings.writeLPr(); 10188 } 10189 } 10190 10191 private void installPackageLI(InstallArgs args, 10192 boolean newInstall, PackageInstalledInfo res) { 10193 int pFlags = args.flags; 10194 String installerPackageName = args.installerPackageName; 10195 File tmpPackageFile = new File(args.getCodePath()); 10196 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10197 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10198 boolean replace = false; 10199 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10200 | (newInstall ? SCAN_NEW_INSTALL : 0); 10201 // Result object to be returned 10202 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10203 10204 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10205 // Retrieve PackageSettings and parse package 10206 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10207 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10208 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10209 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 10210 pp.setSeparateProcesses(mSeparateProcesses); 10211 10212 final PackageParser.Package pkg; 10213 try { 10214 pkg = pp.parseMonolithicPackage(tmpPackageFile, mMetrics, 10215 parseFlags); 10216 } catch (PackageParserException e) { 10217 res.returnCode = e.error; 10218 return; 10219 } 10220 10221 String pkgName = res.name = pkg.packageName; 10222 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10223 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10224 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10225 return; 10226 } 10227 } 10228 10229 try { 10230 pp.collectCertificates(pkg, parseFlags); 10231 } catch (PackageParserException e) { 10232 res.returnCode = e.error; 10233 return; 10234 } 10235 10236 /* If the installer passed in a manifest digest, compare it now. */ 10237 if (args.manifestDigest != null) { 10238 if (DEBUG_INSTALL) { 10239 final String parsedManifest = pkg.manifestDigest == null ? "null" 10240 : pkg.manifestDigest.toString(); 10241 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10242 + parsedManifest); 10243 } 10244 10245 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10246 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10247 return; 10248 } 10249 } else if (DEBUG_INSTALL) { 10250 final String parsedManifest = pkg.manifestDigest == null 10251 ? "null" : pkg.manifestDigest.toString(); 10252 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10253 } 10254 10255 // Get rid of all references to package scan path via parser. 10256 pp = null; 10257 String oldCodePath = null; 10258 boolean systemApp = false; 10259 synchronized (mPackages) { 10260 // Check whether the newly-scanned package wants to define an already-defined perm 10261 int N = pkg.permissions.size(); 10262 for (int i = N-1; i >= 0; i--) { 10263 PackageParser.Permission perm = pkg.permissions.get(i); 10264 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10265 if (bp != null) { 10266 // If the defining package is signed with our cert, it's okay. This 10267 // also includes the "updating the same package" case, of course. 10268 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10269 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10270 // If the owning package is the system itself, we log but allow 10271 // install to proceed; we fail the install on all other permission 10272 // redefinitions. 10273 if (!bp.sourcePackage.equals("android")) { 10274 Slog.w(TAG, "Package " + pkg.packageName 10275 + " attempting to redeclare permission " + perm.info.name 10276 + " already owned by " + bp.sourcePackage); 10277 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10278 res.origPermission = perm.info.name; 10279 res.origPackage = bp.sourcePackage; 10280 return; 10281 } else { 10282 Slog.w(TAG, "Package " + pkg.packageName 10283 + " attempting to redeclare system permission " 10284 + perm.info.name + "; ignoring new declaration"); 10285 pkg.permissions.remove(i); 10286 } 10287 } 10288 } 10289 } 10290 10291 // Check if installing already existing package 10292 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10293 String oldName = mSettings.mRenamedPackages.get(pkgName); 10294 if (pkg.mOriginalPackages != null 10295 && pkg.mOriginalPackages.contains(oldName) 10296 && mPackages.containsKey(oldName)) { 10297 // This package is derived from an original package, 10298 // and this device has been updating from that original 10299 // name. We must continue using the original name, so 10300 // rename the new package here. 10301 pkg.setPackageName(oldName); 10302 pkgName = pkg.packageName; 10303 replace = true; 10304 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10305 + oldName + " pkgName=" + pkgName); 10306 } else if (mPackages.containsKey(pkgName)) { 10307 // This package, under its official name, already exists 10308 // on the device; we should replace it. 10309 replace = true; 10310 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10311 } 10312 } 10313 PackageSetting ps = mSettings.mPackages.get(pkgName); 10314 if (ps != null) { 10315 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10316 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10317 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10318 systemApp = (ps.pkg.applicationInfo.flags & 10319 ApplicationInfo.FLAG_SYSTEM) != 0; 10320 } 10321 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10322 } 10323 } 10324 10325 if (systemApp && onSd) { 10326 // Disable updates to system apps on sdcard 10327 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10328 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10329 return; 10330 } 10331 10332 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10333 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10334 return; 10335 } 10336 // Set application objects path explicitly after the rename 10337 pkg.codePath = args.getCodePath(); 10338 pkg.applicationInfo.sourceDir = args.getCodePath(); 10339 pkg.applicationInfo.publicSourceDir = args.getResourcePath(); 10340 pkg.applicationInfo.splitSourceDirs = args.getSplitCodePaths(); 10341 pkg.applicationInfo.splitPublicSourceDirs = deriveSplitResPaths( 10342 pkg.applicationInfo.splitSourceDirs); 10343 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10344 if (replace) { 10345 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10346 installerPackageName, res, args.abiOverride); 10347 } else { 10348 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10349 installerPackageName, res, args.abiOverride); 10350 } 10351 synchronized (mPackages) { 10352 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10353 if (ps != null) { 10354 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10355 } 10356 } 10357 } 10358 10359 private static boolean isForwardLocked(PackageParser.Package pkg) { 10360 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10361 } 10362 10363 10364 private boolean isForwardLocked(PackageSetting ps) { 10365 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10366 } 10367 10368 private static boolean isExternal(PackageParser.Package pkg) { 10369 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10370 } 10371 10372 private static boolean isExternal(PackageSetting ps) { 10373 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10374 } 10375 10376 private static boolean isSystemApp(PackageParser.Package pkg) { 10377 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10378 } 10379 10380 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10381 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10382 } 10383 10384 private static boolean isSystemApp(ApplicationInfo info) { 10385 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10386 } 10387 10388 private static boolean isSystemApp(PackageSetting ps) { 10389 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10390 } 10391 10392 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10393 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10394 } 10395 10396 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10397 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10398 } 10399 10400 private int packageFlagsToInstallFlags(PackageSetting ps) { 10401 int installFlags = 0; 10402 if (isExternal(ps)) { 10403 installFlags |= PackageManager.INSTALL_EXTERNAL; 10404 } 10405 if (isForwardLocked(ps)) { 10406 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10407 } 10408 return installFlags; 10409 } 10410 10411 private void deleteTempPackageFiles() { 10412 final FilenameFilter filter = new FilenameFilter() { 10413 public boolean accept(File dir, String name) { 10414 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10415 } 10416 }; 10417 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10418 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10419 } 10420 10421 private static final void deleteTempPackageFilesInDirectory(File directory, 10422 FilenameFilter filter) { 10423 final String[] tmpFilesList = directory.list(filter); 10424 if (tmpFilesList == null) { 10425 return; 10426 } 10427 for (int i = 0; i < tmpFilesList.length; i++) { 10428 final File tmpFile = new File(directory, tmpFilesList[i]); 10429 tmpFile.delete(); 10430 } 10431 } 10432 10433 private File createTempPackageFile(File installDir) { 10434 File tmpPackageFile; 10435 try { 10436 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10437 } catch (IOException e) { 10438 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10439 return null; 10440 } 10441 try { 10442 FileUtils.setPermissions( 10443 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10444 -1, -1); 10445 if (!SELinux.restorecon(tmpPackageFile)) { 10446 return null; 10447 } 10448 } catch (IOException e) { 10449 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10450 return null; 10451 } 10452 return tmpPackageFile; 10453 } 10454 10455 @Override 10456 public void deletePackageAsUser(final String packageName, 10457 final IPackageDeleteObserver observer, 10458 final int userId, final int flags) { 10459 mContext.enforceCallingOrSelfPermission( 10460 android.Manifest.permission.DELETE_PACKAGES, null); 10461 final int uid = Binder.getCallingUid(); 10462 if (UserHandle.getUserId(uid) != userId) { 10463 mContext.enforceCallingPermission( 10464 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10465 "deletePackage for user " + userId); 10466 } 10467 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10468 try { 10469 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10470 } catch (RemoteException re) { 10471 } 10472 return; 10473 } 10474 10475 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10476 // Queue up an async operation since the package deletion may take a little while. 10477 mHandler.post(new Runnable() { 10478 public void run() { 10479 mHandler.removeCallbacks(this); 10480 final int returnCode = deletePackageX(packageName, userId, flags); 10481 if (observer != null) { 10482 try { 10483 observer.packageDeleted(packageName, returnCode); 10484 } catch (RemoteException e) { 10485 Log.i(TAG, "Observer no longer exists."); 10486 } //end catch 10487 } //end if 10488 } //end run 10489 }); 10490 } 10491 10492 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10493 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10494 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10495 try { 10496 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10497 || dpm.isDeviceOwner(packageName))) { 10498 return true; 10499 } 10500 } catch (RemoteException e) { 10501 } 10502 return false; 10503 } 10504 10505 /** 10506 * This method is an internal method that could be get invoked either 10507 * to delete an installed package or to clean up a failed installation. 10508 * After deleting an installed package, a broadcast is sent to notify any 10509 * listeners that the package has been installed. For cleaning up a failed 10510 * installation, the broadcast is not necessary since the package's 10511 * installation wouldn't have sent the initial broadcast either 10512 * The key steps in deleting a package are 10513 * deleting the package information in internal structures like mPackages, 10514 * deleting the packages base directories through installd 10515 * updating mSettings to reflect current status 10516 * persisting settings for later use 10517 * sending a broadcast if necessary 10518 */ 10519 private int deletePackageX(String packageName, int userId, int flags) { 10520 final PackageRemovedInfo info = new PackageRemovedInfo(); 10521 final boolean res; 10522 10523 if (isPackageDeviceAdmin(packageName, userId)) { 10524 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10525 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10526 } 10527 10528 boolean removedForAllUsers = false; 10529 boolean systemUpdate = false; 10530 10531 // for the uninstall-updates case and restricted profiles, remember the per- 10532 // userhandle installed state 10533 int[] allUsers; 10534 boolean[] perUserInstalled; 10535 synchronized (mPackages) { 10536 PackageSetting ps = mSettings.mPackages.get(packageName); 10537 allUsers = sUserManager.getUserIds(); 10538 perUserInstalled = new boolean[allUsers.length]; 10539 for (int i = 0; i < allUsers.length; i++) { 10540 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10541 } 10542 } 10543 10544 synchronized (mInstallLock) { 10545 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10546 res = deletePackageLI(packageName, 10547 (flags & PackageManager.DELETE_ALL_USERS) != 0 10548 ? UserHandle.ALL : new UserHandle(userId), 10549 true, allUsers, perUserInstalled, 10550 flags | REMOVE_CHATTY, info, true); 10551 systemUpdate = info.isRemovedPackageSystemUpdate; 10552 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10553 removedForAllUsers = true; 10554 } 10555 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10556 + " removedForAllUsers=" + removedForAllUsers); 10557 } 10558 10559 if (res) { 10560 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10561 10562 // If the removed package was a system update, the old system package 10563 // was re-enabled; we need to broadcast this information 10564 if (systemUpdate) { 10565 Bundle extras = new Bundle(1); 10566 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10567 ? info.removedAppId : info.uid); 10568 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10569 10570 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10571 extras, null, null, null); 10572 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10573 extras, null, null, null); 10574 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10575 null, packageName, null, null); 10576 } 10577 } 10578 // Force a gc here. 10579 Runtime.getRuntime().gc(); 10580 // Delete the resources here after sending the broadcast to let 10581 // other processes clean up before deleting resources. 10582 if (info.args != null) { 10583 synchronized (mInstallLock) { 10584 info.args.doPostDeleteLI(true); 10585 } 10586 } 10587 10588 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10589 } 10590 10591 static class PackageRemovedInfo { 10592 String removedPackage; 10593 int uid = -1; 10594 int removedAppId = -1; 10595 int[] removedUsers = null; 10596 boolean isRemovedPackageSystemUpdate = false; 10597 // Clean up resources deleted packages. 10598 InstallArgs args = null; 10599 10600 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10601 Bundle extras = new Bundle(1); 10602 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10603 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10604 if (replacing) { 10605 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10606 } 10607 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10608 if (removedPackage != null) { 10609 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10610 extras, null, null, removedUsers); 10611 if (fullRemove && !replacing) { 10612 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10613 extras, null, null, removedUsers); 10614 } 10615 } 10616 if (removedAppId >= 0) { 10617 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10618 removedUsers); 10619 } 10620 } 10621 } 10622 10623 /* 10624 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10625 * flag is not set, the data directory is removed as well. 10626 * make sure this flag is set for partially installed apps. If not its meaningless to 10627 * delete a partially installed application. 10628 */ 10629 private void removePackageDataLI(PackageSetting ps, 10630 int[] allUserHandles, boolean[] perUserInstalled, 10631 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10632 String packageName = ps.name; 10633 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10634 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10635 // Retrieve object to delete permissions for shared user later on 10636 final PackageSetting deletedPs; 10637 // reader 10638 synchronized (mPackages) { 10639 deletedPs = mSettings.mPackages.get(packageName); 10640 if (outInfo != null) { 10641 outInfo.removedPackage = packageName; 10642 outInfo.removedUsers = deletedPs != null 10643 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10644 : null; 10645 } 10646 } 10647 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10648 removeDataDirsLI(packageName); 10649 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10650 } 10651 // writer 10652 synchronized (mPackages) { 10653 if (deletedPs != null) { 10654 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10655 if (outInfo != null) { 10656 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10657 } 10658 if (deletedPs != null) { 10659 updatePermissionsLPw(deletedPs.name, null, 0); 10660 if (deletedPs.sharedUser != null) { 10661 // remove permissions associated with package 10662 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10663 } 10664 } 10665 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10666 } 10667 // make sure to preserve per-user disabled state if this removal was just 10668 // a downgrade of a system app to the factory package 10669 if (allUserHandles != null && perUserInstalled != null) { 10670 if (DEBUG_REMOVE) { 10671 Slog.d(TAG, "Propagating install state across downgrade"); 10672 } 10673 for (int i = 0; i < allUserHandles.length; i++) { 10674 if (DEBUG_REMOVE) { 10675 Slog.d(TAG, " user " + allUserHandles[i] 10676 + " => " + perUserInstalled[i]); 10677 } 10678 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10679 } 10680 } 10681 } 10682 // can downgrade to reader 10683 if (writeSettings) { 10684 // Save settings now 10685 mSettings.writeLPr(); 10686 } 10687 } 10688 if (outInfo != null) { 10689 // A user ID was deleted here. Go through all users and remove it 10690 // from KeyStore. 10691 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10692 } 10693 } 10694 10695 static boolean locationIsPrivileged(File path) { 10696 try { 10697 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10698 .getCanonicalPath(); 10699 return path.getCanonicalPath().startsWith(privilegedAppDir); 10700 } catch (IOException e) { 10701 Slog.e(TAG, "Unable to access code path " + path); 10702 } 10703 return false; 10704 } 10705 10706 /* 10707 * Tries to delete system package. 10708 */ 10709 private boolean deleteSystemPackageLI(PackageSetting newPs, 10710 int[] allUserHandles, boolean[] perUserInstalled, 10711 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10712 final boolean applyUserRestrictions 10713 = (allUserHandles != null) && (perUserInstalled != null); 10714 PackageSetting disabledPs = null; 10715 // Confirm if the system package has been updated 10716 // An updated system app can be deleted. This will also have to restore 10717 // the system pkg from system partition 10718 // reader 10719 synchronized (mPackages) { 10720 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10721 } 10722 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10723 + " disabledPs=" + disabledPs); 10724 if (disabledPs == null) { 10725 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10726 return false; 10727 } else if (DEBUG_REMOVE) { 10728 Slog.d(TAG, "Deleting system pkg from data partition"); 10729 } 10730 if (DEBUG_REMOVE) { 10731 if (applyUserRestrictions) { 10732 Slog.d(TAG, "Remembering install states:"); 10733 for (int i = 0; i < allUserHandles.length; i++) { 10734 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10735 } 10736 } 10737 } 10738 // Delete the updated package 10739 outInfo.isRemovedPackageSystemUpdate = true; 10740 if (disabledPs.versionCode < newPs.versionCode) { 10741 // Delete data for downgrades 10742 flags &= ~PackageManager.DELETE_KEEP_DATA; 10743 } else { 10744 // Preserve data by setting flag 10745 flags |= PackageManager.DELETE_KEEP_DATA; 10746 } 10747 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10748 allUserHandles, perUserInstalled, outInfo, writeSettings); 10749 if (!ret) { 10750 return false; 10751 } 10752 // writer 10753 synchronized (mPackages) { 10754 // Reinstate the old system package 10755 mSettings.enableSystemPackageLPw(newPs.name); 10756 // Remove any native libraries from the upgraded package. 10757 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10758 } 10759 // Install the system package 10760 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10761 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10762 if (locationIsPrivileged(disabledPs.codePath)) { 10763 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10764 } 10765 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10766 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10767 10768 if (newPkg == null) { 10769 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10770 + " with error:" + mLastScanError); 10771 return false; 10772 } 10773 // writer 10774 synchronized (mPackages) { 10775 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10776 setInternalAppNativeLibraryPath(newPkg, ps); 10777 updatePermissionsLPw(newPkg.packageName, newPkg, 10778 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10779 if (applyUserRestrictions) { 10780 if (DEBUG_REMOVE) { 10781 Slog.d(TAG, "Propagating install state across reinstall"); 10782 } 10783 for (int i = 0; i < allUserHandles.length; i++) { 10784 if (DEBUG_REMOVE) { 10785 Slog.d(TAG, " user " + allUserHandles[i] 10786 + " => " + perUserInstalled[i]); 10787 } 10788 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10789 } 10790 // Regardless of writeSettings we need to ensure that this restriction 10791 // state propagation is persisted 10792 mSettings.writeAllUsersPackageRestrictionsLPr(); 10793 } 10794 // can downgrade to reader here 10795 if (writeSettings) { 10796 mSettings.writeLPr(); 10797 } 10798 } 10799 return true; 10800 } 10801 10802 private boolean deleteInstalledPackageLI(PackageSetting ps, 10803 boolean deleteCodeAndResources, int flags, 10804 int[] allUserHandles, boolean[] perUserInstalled, 10805 PackageRemovedInfo outInfo, boolean writeSettings) { 10806 if (outInfo != null) { 10807 outInfo.uid = ps.appId; 10808 } 10809 10810 // Delete package data from internal structures and also remove data if flag is set 10811 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10812 10813 // Delete application code and resources 10814 if (deleteCodeAndResources && (outInfo != null)) { 10815 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10816 ps.resourcePathString, ps.nativeLibraryPathString, 10817 getAppInstructionSetFromSettings(ps)); 10818 } 10819 return true; 10820 } 10821 10822 /* 10823 * This method handles package deletion in general 10824 */ 10825 private boolean deletePackageLI(String packageName, UserHandle user, 10826 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10827 int flags, PackageRemovedInfo outInfo, 10828 boolean writeSettings) { 10829 if (packageName == null) { 10830 Slog.w(TAG, "Attempt to delete null packageName."); 10831 return false; 10832 } 10833 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10834 PackageSetting ps; 10835 boolean dataOnly = false; 10836 int removeUser = -1; 10837 int appId = -1; 10838 synchronized (mPackages) { 10839 ps = mSettings.mPackages.get(packageName); 10840 if (ps == null) { 10841 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10842 return false; 10843 } 10844 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10845 && user.getIdentifier() != UserHandle.USER_ALL) { 10846 // The caller is asking that the package only be deleted for a single 10847 // user. To do this, we just mark its uninstalled state and delete 10848 // its data. If this is a system app, we only allow this to happen if 10849 // they have set the special DELETE_SYSTEM_APP which requests different 10850 // semantics than normal for uninstalling system apps. 10851 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10852 ps.setUserState(user.getIdentifier(), 10853 COMPONENT_ENABLED_STATE_DEFAULT, 10854 false, //installed 10855 true, //stopped 10856 true, //notLaunched 10857 false, //blocked 10858 null, null, null); 10859 if (!isSystemApp(ps)) { 10860 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10861 // Other user still have this package installed, so all 10862 // we need to do is clear this user's data and save that 10863 // it is uninstalled. 10864 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10865 removeUser = user.getIdentifier(); 10866 appId = ps.appId; 10867 mSettings.writePackageRestrictionsLPr(removeUser); 10868 } else { 10869 // We need to set it back to 'installed' so the uninstall 10870 // broadcasts will be sent correctly. 10871 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10872 ps.setInstalled(true, user.getIdentifier()); 10873 } 10874 } else { 10875 // This is a system app, so we assume that the 10876 // other users still have this package installed, so all 10877 // we need to do is clear this user's data and save that 10878 // it is uninstalled. 10879 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10880 removeUser = user.getIdentifier(); 10881 appId = ps.appId; 10882 mSettings.writePackageRestrictionsLPr(removeUser); 10883 } 10884 } 10885 } 10886 10887 if (removeUser >= 0) { 10888 // From above, we determined that we are deleting this only 10889 // for a single user. Continue the work here. 10890 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10891 if (outInfo != null) { 10892 outInfo.removedPackage = packageName; 10893 outInfo.removedAppId = appId; 10894 outInfo.removedUsers = new int[] {removeUser}; 10895 } 10896 mInstaller.clearUserData(packageName, removeUser); 10897 removeKeystoreDataIfNeeded(removeUser, appId); 10898 schedulePackageCleaning(packageName, removeUser, false); 10899 return true; 10900 } 10901 10902 if (dataOnly) { 10903 // Delete application data first 10904 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10905 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10906 return true; 10907 } 10908 10909 boolean ret = false; 10910 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10911 if (isSystemApp(ps)) { 10912 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10913 // When an updated system application is deleted we delete the existing resources as well and 10914 // fall back to existing code in system partition 10915 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10916 flags, outInfo, writeSettings); 10917 } else { 10918 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10919 // Kill application pre-emptively especially for apps on sd. 10920 killApplication(packageName, ps.appId, "uninstall pkg"); 10921 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10922 allUserHandles, perUserInstalled, 10923 outInfo, writeSettings); 10924 } 10925 10926 return ret; 10927 } 10928 10929 private final class ClearStorageConnection implements ServiceConnection { 10930 IMediaContainerService mContainerService; 10931 10932 @Override 10933 public void onServiceConnected(ComponentName name, IBinder service) { 10934 synchronized (this) { 10935 mContainerService = IMediaContainerService.Stub.asInterface(service); 10936 notifyAll(); 10937 } 10938 } 10939 10940 @Override 10941 public void onServiceDisconnected(ComponentName name) { 10942 } 10943 } 10944 10945 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10946 final boolean mounted; 10947 if (Environment.isExternalStorageEmulated()) { 10948 mounted = true; 10949 } else { 10950 final String status = Environment.getExternalStorageState(); 10951 10952 mounted = status.equals(Environment.MEDIA_MOUNTED) 10953 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10954 } 10955 10956 if (!mounted) { 10957 return; 10958 } 10959 10960 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10961 int[] users; 10962 if (userId == UserHandle.USER_ALL) { 10963 users = sUserManager.getUserIds(); 10964 } else { 10965 users = new int[] { userId }; 10966 } 10967 final ClearStorageConnection conn = new ClearStorageConnection(); 10968 if (mContext.bindServiceAsUser( 10969 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10970 try { 10971 for (int curUser : users) { 10972 long timeout = SystemClock.uptimeMillis() + 5000; 10973 synchronized (conn) { 10974 long now = SystemClock.uptimeMillis(); 10975 while (conn.mContainerService == null && now < timeout) { 10976 try { 10977 conn.wait(timeout - now); 10978 } catch (InterruptedException e) { 10979 } 10980 } 10981 } 10982 if (conn.mContainerService == null) { 10983 return; 10984 } 10985 10986 final UserEnvironment userEnv = new UserEnvironment(curUser); 10987 clearDirectory(conn.mContainerService, 10988 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10989 if (allData) { 10990 clearDirectory(conn.mContainerService, 10991 userEnv.buildExternalStorageAppDataDirs(packageName)); 10992 clearDirectory(conn.mContainerService, 10993 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10994 } 10995 } 10996 } finally { 10997 mContext.unbindService(conn); 10998 } 10999 } 11000 } 11001 11002 @Override 11003 public void clearApplicationUserData(final String packageName, 11004 final IPackageDataObserver observer, final int userId) { 11005 mContext.enforceCallingOrSelfPermission( 11006 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11007 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 11008 // Queue up an async operation since the package deletion may take a little while. 11009 mHandler.post(new Runnable() { 11010 public void run() { 11011 mHandler.removeCallbacks(this); 11012 final boolean succeeded; 11013 synchronized (mInstallLock) { 11014 succeeded = clearApplicationUserDataLI(packageName, userId); 11015 } 11016 clearExternalStorageDataSync(packageName, userId, true); 11017 if (succeeded) { 11018 // invoke DeviceStorageMonitor's update method to clear any notifications 11019 DeviceStorageMonitorInternal 11020 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11021 if (dsm != null) { 11022 dsm.checkMemory(); 11023 } 11024 } 11025 if(observer != null) { 11026 try { 11027 observer.onRemoveCompleted(packageName, succeeded); 11028 } catch (RemoteException e) { 11029 Log.i(TAG, "Observer no longer exists."); 11030 } 11031 } //end if observer 11032 } //end run 11033 }); 11034 } 11035 11036 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11037 if (packageName == null) { 11038 Slog.w(TAG, "Attempt to delete null packageName."); 11039 return false; 11040 } 11041 PackageParser.Package p; 11042 boolean dataOnly = false; 11043 final int appId; 11044 synchronized (mPackages) { 11045 p = mPackages.get(packageName); 11046 if (p == null) { 11047 dataOnly = true; 11048 PackageSetting ps = mSettings.mPackages.get(packageName); 11049 if ((ps == null) || (ps.pkg == null)) { 11050 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11051 return false; 11052 } 11053 p = ps.pkg; 11054 } 11055 if (!dataOnly) { 11056 // need to check this only for fully installed applications 11057 if (p == null) { 11058 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11059 return false; 11060 } 11061 final ApplicationInfo applicationInfo = p.applicationInfo; 11062 if (applicationInfo == null) { 11063 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11064 return false; 11065 } 11066 } 11067 if (p != null && p.applicationInfo != null) { 11068 appId = p.applicationInfo.uid; 11069 } else { 11070 appId = -1; 11071 } 11072 } 11073 int retCode = mInstaller.clearUserData(packageName, userId); 11074 if (retCode < 0) { 11075 Slog.w(TAG, "Couldn't remove cache files for package: " 11076 + packageName); 11077 return false; 11078 } 11079 removeKeystoreDataIfNeeded(userId, appId); 11080 return true; 11081 } 11082 11083 /** 11084 * Remove entries from the keystore daemon. Will only remove it if the 11085 * {@code appId} is valid. 11086 */ 11087 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11088 if (appId < 0) { 11089 return; 11090 } 11091 11092 final KeyStore keyStore = KeyStore.getInstance(); 11093 if (keyStore != null) { 11094 if (userId == UserHandle.USER_ALL) { 11095 for (final int individual : sUserManager.getUserIds()) { 11096 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11097 } 11098 } else { 11099 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11100 } 11101 } else { 11102 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11103 } 11104 } 11105 11106 @Override 11107 public void deleteApplicationCacheFiles(final String packageName, 11108 final IPackageDataObserver observer) { 11109 mContext.enforceCallingOrSelfPermission( 11110 android.Manifest.permission.DELETE_CACHE_FILES, null); 11111 // Queue up an async operation since the package deletion may take a little while. 11112 final int userId = UserHandle.getCallingUserId(); 11113 mHandler.post(new Runnable() { 11114 public void run() { 11115 mHandler.removeCallbacks(this); 11116 final boolean succeded; 11117 synchronized (mInstallLock) { 11118 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11119 } 11120 clearExternalStorageDataSync(packageName, userId, false); 11121 if(observer != null) { 11122 try { 11123 observer.onRemoveCompleted(packageName, succeded); 11124 } catch (RemoteException e) { 11125 Log.i(TAG, "Observer no longer exists."); 11126 } 11127 } //end if observer 11128 } //end run 11129 }); 11130 } 11131 11132 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11133 if (packageName == null) { 11134 Slog.w(TAG, "Attempt to delete null packageName."); 11135 return false; 11136 } 11137 PackageParser.Package p; 11138 synchronized (mPackages) { 11139 p = mPackages.get(packageName); 11140 } 11141 if (p == null) { 11142 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11143 return false; 11144 } 11145 final ApplicationInfo applicationInfo = p.applicationInfo; 11146 if (applicationInfo == null) { 11147 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11148 return false; 11149 } 11150 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11151 if (retCode < 0) { 11152 Slog.w(TAG, "Couldn't remove cache files for package: " 11153 + packageName + " u" + userId); 11154 return false; 11155 } 11156 return true; 11157 } 11158 11159 @Override 11160 public void getPackageSizeInfo(final String packageName, int userHandle, 11161 final IPackageStatsObserver observer) { 11162 mContext.enforceCallingOrSelfPermission( 11163 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11164 if (packageName == null) { 11165 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11166 } 11167 11168 PackageStats stats = new PackageStats(packageName, userHandle); 11169 11170 /* 11171 * Queue up an async operation since the package measurement may take a 11172 * little while. 11173 */ 11174 Message msg = mHandler.obtainMessage(INIT_COPY); 11175 msg.obj = new MeasureParams(stats, observer); 11176 mHandler.sendMessage(msg); 11177 } 11178 11179 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11180 PackageStats pStats) { 11181 if (packageName == null) { 11182 Slog.w(TAG, "Attempt to get size of null packageName."); 11183 return false; 11184 } 11185 PackageParser.Package p; 11186 boolean dataOnly = false; 11187 String libDirPath = null; 11188 String asecPath = null; 11189 PackageSetting ps = null; 11190 synchronized (mPackages) { 11191 p = mPackages.get(packageName); 11192 ps = mSettings.mPackages.get(packageName); 11193 if(p == null) { 11194 dataOnly = true; 11195 if((ps == null) || (ps.pkg == null)) { 11196 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11197 return false; 11198 } 11199 p = ps.pkg; 11200 } 11201 if (ps != null) { 11202 libDirPath = ps.nativeLibraryPathString; 11203 } 11204 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11205 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11206 if (secureContainerId != null) { 11207 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11208 } 11209 } 11210 } 11211 String publicSrcDir = null; 11212 if(!dataOnly) { 11213 final ApplicationInfo applicationInfo = p.applicationInfo; 11214 if (applicationInfo == null) { 11215 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11216 return false; 11217 } 11218 if (isForwardLocked(p)) { 11219 publicSrcDir = applicationInfo.publicSourceDir; 11220 } 11221 } 11222 int res = mInstaller.getSizeInfo(packageName, userHandle, p.codePath, libDirPath, 11223 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11224 pStats); 11225 if (res < 0) { 11226 return false; 11227 } 11228 11229 // Fix-up for forward-locked applications in ASEC containers. 11230 if (!isExternal(p)) { 11231 pStats.codeSize += pStats.externalCodeSize; 11232 pStats.externalCodeSize = 0L; 11233 } 11234 11235 return true; 11236 } 11237 11238 11239 @Override 11240 public void addPackageToPreferred(String packageName) { 11241 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11242 } 11243 11244 @Override 11245 public void removePackageFromPreferred(String packageName) { 11246 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11247 } 11248 11249 @Override 11250 public List<PackageInfo> getPreferredPackages(int flags) { 11251 return new ArrayList<PackageInfo>(); 11252 } 11253 11254 private int getUidTargetSdkVersionLockedLPr(int uid) { 11255 Object obj = mSettings.getUserIdLPr(uid); 11256 if (obj instanceof SharedUserSetting) { 11257 final SharedUserSetting sus = (SharedUserSetting) obj; 11258 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11259 final Iterator<PackageSetting> it = sus.packages.iterator(); 11260 while (it.hasNext()) { 11261 final PackageSetting ps = it.next(); 11262 if (ps.pkg != null) { 11263 int v = ps.pkg.applicationInfo.targetSdkVersion; 11264 if (v < vers) vers = v; 11265 } 11266 } 11267 return vers; 11268 } else if (obj instanceof PackageSetting) { 11269 final PackageSetting ps = (PackageSetting) obj; 11270 if (ps.pkg != null) { 11271 return ps.pkg.applicationInfo.targetSdkVersion; 11272 } 11273 } 11274 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11275 } 11276 11277 @Override 11278 public void addPreferredActivity(IntentFilter filter, int match, 11279 ComponentName[] set, ComponentName activity, int userId) { 11280 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11281 } 11282 11283 private void addPreferredActivityInternal(IntentFilter filter, int match, 11284 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11285 // writer 11286 int callingUid = Binder.getCallingUid(); 11287 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11288 if (filter.countActions() == 0) { 11289 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11290 return; 11291 } 11292 synchronized (mPackages) { 11293 if (mContext.checkCallingOrSelfPermission( 11294 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11295 != PackageManager.PERMISSION_GRANTED) { 11296 if (getUidTargetSdkVersionLockedLPr(callingUid) 11297 < Build.VERSION_CODES.FROYO) { 11298 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11299 + callingUid); 11300 return; 11301 } 11302 mContext.enforceCallingOrSelfPermission( 11303 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11304 } 11305 11306 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11307 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11308 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11309 new PreferredActivity(filter, match, set, activity, always)); 11310 mSettings.writePackageRestrictionsLPr(userId); 11311 } 11312 } 11313 11314 @Override 11315 public void replacePreferredActivity(IntentFilter filter, int match, 11316 ComponentName[] set, ComponentName activity) { 11317 if (filter.countActions() != 1) { 11318 throw new IllegalArgumentException( 11319 "replacePreferredActivity expects filter to have only 1 action."); 11320 } 11321 if (filter.countDataAuthorities() != 0 11322 || filter.countDataPaths() != 0 11323 || filter.countDataSchemes() > 1 11324 || filter.countDataTypes() != 0) { 11325 throw new IllegalArgumentException( 11326 "replacePreferredActivity expects filter to have no data authorities, " + 11327 "paths, or types; and at most one scheme."); 11328 } 11329 synchronized (mPackages) { 11330 if (mContext.checkCallingOrSelfPermission( 11331 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11332 != PackageManager.PERMISSION_GRANTED) { 11333 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11334 < Build.VERSION_CODES.FROYO) { 11335 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11336 + Binder.getCallingUid()); 11337 return; 11338 } 11339 mContext.enforceCallingOrSelfPermission( 11340 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11341 } 11342 11343 final int callingUserId = UserHandle.getCallingUserId(); 11344 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11345 if (pir != null) { 11346 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11347 if (filter.countDataSchemes() == 1) { 11348 Uri.Builder builder = new Uri.Builder(); 11349 builder.scheme(filter.getDataScheme(0)); 11350 intent.setData(builder.build()); 11351 } 11352 List<PreferredActivity> matches = pir.queryIntent( 11353 intent, null, true, callingUserId); 11354 if (DEBUG_PREFERRED) { 11355 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11356 } 11357 for (int i = 0; i < matches.size(); i++) { 11358 PreferredActivity pa = matches.get(i); 11359 if (DEBUG_PREFERRED) { 11360 Slog.i(TAG, "Removing preferred activity " 11361 + pa.mPref.mComponent + ":"); 11362 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11363 } 11364 pir.removeFilter(pa); 11365 } 11366 } 11367 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11368 } 11369 } 11370 11371 @Override 11372 public void clearPackagePreferredActivities(String packageName) { 11373 final int uid = Binder.getCallingUid(); 11374 // writer 11375 synchronized (mPackages) { 11376 PackageParser.Package pkg = mPackages.get(packageName); 11377 if (pkg == null || pkg.applicationInfo.uid != uid) { 11378 if (mContext.checkCallingOrSelfPermission( 11379 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11380 != PackageManager.PERMISSION_GRANTED) { 11381 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11382 < Build.VERSION_CODES.FROYO) { 11383 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11384 + Binder.getCallingUid()); 11385 return; 11386 } 11387 mContext.enforceCallingOrSelfPermission( 11388 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11389 } 11390 } 11391 11392 int user = UserHandle.getCallingUserId(); 11393 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11394 mSettings.writePackageRestrictionsLPr(user); 11395 scheduleWriteSettingsLocked(); 11396 } 11397 } 11398 } 11399 11400 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11401 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11402 ArrayList<PreferredActivity> removed = null; 11403 boolean changed = false; 11404 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11405 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11406 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11407 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11408 continue; 11409 } 11410 Iterator<PreferredActivity> it = pir.filterIterator(); 11411 while (it.hasNext()) { 11412 PreferredActivity pa = it.next(); 11413 // Mark entry for removal only if it matches the package name 11414 // and the entry is of type "always". 11415 if (packageName == null || 11416 (pa.mPref.mComponent.getPackageName().equals(packageName) 11417 && pa.mPref.mAlways)) { 11418 if (removed == null) { 11419 removed = new ArrayList<PreferredActivity>(); 11420 } 11421 removed.add(pa); 11422 } 11423 } 11424 if (removed != null) { 11425 for (int j=0; j<removed.size(); j++) { 11426 PreferredActivity pa = removed.get(j); 11427 pir.removeFilter(pa); 11428 } 11429 changed = true; 11430 } 11431 } 11432 return changed; 11433 } 11434 11435 @Override 11436 public void resetPreferredActivities(int userId) { 11437 mContext.enforceCallingOrSelfPermission( 11438 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11439 // writer 11440 synchronized (mPackages) { 11441 int user = UserHandle.getCallingUserId(); 11442 clearPackagePreferredActivitiesLPw(null, user); 11443 mSettings.readDefaultPreferredAppsLPw(this, user); 11444 mSettings.writePackageRestrictionsLPr(user); 11445 scheduleWriteSettingsLocked(); 11446 } 11447 } 11448 11449 @Override 11450 public int getPreferredActivities(List<IntentFilter> outFilters, 11451 List<ComponentName> outActivities, String packageName) { 11452 11453 int num = 0; 11454 final int userId = UserHandle.getCallingUserId(); 11455 // reader 11456 synchronized (mPackages) { 11457 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11458 if (pir != null) { 11459 final Iterator<PreferredActivity> it = pir.filterIterator(); 11460 while (it.hasNext()) { 11461 final PreferredActivity pa = it.next(); 11462 if (packageName == null 11463 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11464 && pa.mPref.mAlways)) { 11465 if (outFilters != null) { 11466 outFilters.add(new IntentFilter(pa)); 11467 } 11468 if (outActivities != null) { 11469 outActivities.add(pa.mPref.mComponent); 11470 } 11471 } 11472 } 11473 } 11474 } 11475 11476 return num; 11477 } 11478 11479 @Override 11480 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11481 int userId) { 11482 int callingUid = Binder.getCallingUid(); 11483 if (callingUid != Process.SYSTEM_UID) { 11484 throw new SecurityException( 11485 "addPersistentPreferredActivity can only be run by the system"); 11486 } 11487 if (filter.countActions() == 0) { 11488 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11489 return; 11490 } 11491 synchronized (mPackages) { 11492 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11493 " :"); 11494 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11495 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11496 new PersistentPreferredActivity(filter, activity)); 11497 mSettings.writePackageRestrictionsLPr(userId); 11498 } 11499 } 11500 11501 @Override 11502 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11503 int callingUid = Binder.getCallingUid(); 11504 if (callingUid != Process.SYSTEM_UID) { 11505 throw new SecurityException( 11506 "clearPackagePersistentPreferredActivities can only be run by the system"); 11507 } 11508 ArrayList<PersistentPreferredActivity> removed = null; 11509 boolean changed = false; 11510 synchronized (mPackages) { 11511 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11512 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11513 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11514 .valueAt(i); 11515 if (userId != thisUserId) { 11516 continue; 11517 } 11518 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11519 while (it.hasNext()) { 11520 PersistentPreferredActivity ppa = it.next(); 11521 // Mark entry for removal only if it matches the package name. 11522 if (ppa.mComponent.getPackageName().equals(packageName)) { 11523 if (removed == null) { 11524 removed = new ArrayList<PersistentPreferredActivity>(); 11525 } 11526 removed.add(ppa); 11527 } 11528 } 11529 if (removed != null) { 11530 for (int j=0; j<removed.size(); j++) { 11531 PersistentPreferredActivity ppa = removed.get(j); 11532 ppir.removeFilter(ppa); 11533 } 11534 changed = true; 11535 } 11536 } 11537 11538 if (changed) { 11539 mSettings.writePackageRestrictionsLPr(userId); 11540 } 11541 } 11542 } 11543 11544 @Override 11545 public void addCrossProfileIntentFilter(IntentFilter filter, boolean removable, 11546 int sourceUserId, int targetUserId) { 11547 mContext.enforceCallingOrSelfPermission( 11548 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11549 if (filter.countActions() == 0) { 11550 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11551 return; 11552 } 11553 synchronized (mPackages) { 11554 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter( 11555 new CrossProfileIntentFilter(filter, removable, targetUserId)); 11556 mSettings.writePackageRestrictionsLPr(sourceUserId); 11557 } 11558 } 11559 11560 @Override 11561 public void clearCrossProfileIntentFilters(int sourceUserId) { 11562 mContext.enforceCallingOrSelfPermission( 11563 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11564 synchronized (mPackages) { 11565 CrossProfileIntentResolver cpir = 11566 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11567 HashSet<CrossProfileIntentFilter> set = 11568 new HashSet<CrossProfileIntentFilter>(cpir.filterSet()); 11569 for (CrossProfileIntentFilter cpif : set) { 11570 if (cpif.isRemovable()) cpir.removeFilter(cpif); 11571 } 11572 mSettings.writePackageRestrictionsLPr(sourceUserId); 11573 } 11574 } 11575 11576 @Override 11577 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11578 Intent intent = new Intent(Intent.ACTION_MAIN); 11579 intent.addCategory(Intent.CATEGORY_HOME); 11580 11581 final int callingUserId = UserHandle.getCallingUserId(); 11582 List<ResolveInfo> list = queryIntentActivities(intent, null, 11583 PackageManager.GET_META_DATA, callingUserId); 11584 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11585 true, false, false, callingUserId); 11586 11587 allHomeCandidates.clear(); 11588 if (list != null) { 11589 for (ResolveInfo ri : list) { 11590 allHomeCandidates.add(ri); 11591 } 11592 } 11593 return (preferred == null || preferred.activityInfo == null) 11594 ? null 11595 : new ComponentName(preferred.activityInfo.packageName, 11596 preferred.activityInfo.name); 11597 } 11598 11599 @Override 11600 public void setApplicationEnabledSetting(String appPackageName, 11601 int newState, int flags, int userId, String callingPackage) { 11602 if (!sUserManager.exists(userId)) return; 11603 if (callingPackage == null) { 11604 callingPackage = Integer.toString(Binder.getCallingUid()); 11605 } 11606 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11607 } 11608 11609 @Override 11610 public void setComponentEnabledSetting(ComponentName componentName, 11611 int newState, int flags, int userId) { 11612 if (!sUserManager.exists(userId)) return; 11613 setEnabledSetting(componentName.getPackageName(), 11614 componentName.getClassName(), newState, flags, userId, null); 11615 } 11616 11617 private void setEnabledSetting(final String packageName, String className, int newState, 11618 final int flags, int userId, String callingPackage) { 11619 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11620 || newState == COMPONENT_ENABLED_STATE_ENABLED 11621 || newState == COMPONENT_ENABLED_STATE_DISABLED 11622 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11623 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11624 throw new IllegalArgumentException("Invalid new component state: " 11625 + newState); 11626 } 11627 PackageSetting pkgSetting; 11628 final int uid = Binder.getCallingUid(); 11629 final int permission = mContext.checkCallingOrSelfPermission( 11630 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11631 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11632 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11633 boolean sendNow = false; 11634 boolean isApp = (className == null); 11635 String componentName = isApp ? packageName : className; 11636 int packageUid = -1; 11637 ArrayList<String> components; 11638 11639 // writer 11640 synchronized (mPackages) { 11641 pkgSetting = mSettings.mPackages.get(packageName); 11642 if (pkgSetting == null) { 11643 if (className == null) { 11644 throw new IllegalArgumentException( 11645 "Unknown package: " + packageName); 11646 } 11647 throw new IllegalArgumentException( 11648 "Unknown component: " + packageName 11649 + "/" + className); 11650 } 11651 // Allow root and verify that userId is not being specified by a different user 11652 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11653 throw new SecurityException( 11654 "Permission Denial: attempt to change component state from pid=" 11655 + Binder.getCallingPid() 11656 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11657 } 11658 if (className == null) { 11659 // We're dealing with an application/package level state change 11660 if (pkgSetting.getEnabled(userId) == newState) { 11661 // Nothing to do 11662 return; 11663 } 11664 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11665 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11666 // Don't care about who enables an app. 11667 callingPackage = null; 11668 } 11669 pkgSetting.setEnabled(newState, userId, callingPackage); 11670 // pkgSetting.pkg.mSetEnabled = newState; 11671 } else { 11672 // We're dealing with a component level state change 11673 // First, verify that this is a valid class name. 11674 PackageParser.Package pkg = pkgSetting.pkg; 11675 if (pkg == null || !pkg.hasComponentClassName(className)) { 11676 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11677 throw new IllegalArgumentException("Component class " + className 11678 + " does not exist in " + packageName); 11679 } else { 11680 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11681 + className + " does not exist in " + packageName); 11682 } 11683 } 11684 switch (newState) { 11685 case COMPONENT_ENABLED_STATE_ENABLED: 11686 if (!pkgSetting.enableComponentLPw(className, userId)) { 11687 return; 11688 } 11689 break; 11690 case COMPONENT_ENABLED_STATE_DISABLED: 11691 if (!pkgSetting.disableComponentLPw(className, userId)) { 11692 return; 11693 } 11694 break; 11695 case COMPONENT_ENABLED_STATE_DEFAULT: 11696 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11697 return; 11698 } 11699 break; 11700 default: 11701 Slog.e(TAG, "Invalid new component state: " + newState); 11702 return; 11703 } 11704 } 11705 mSettings.writePackageRestrictionsLPr(userId); 11706 components = mPendingBroadcasts.get(userId, packageName); 11707 final boolean newPackage = components == null; 11708 if (newPackage) { 11709 components = new ArrayList<String>(); 11710 } 11711 if (!components.contains(componentName)) { 11712 components.add(componentName); 11713 } 11714 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11715 sendNow = true; 11716 // Purge entry from pending broadcast list if another one exists already 11717 // since we are sending one right away. 11718 mPendingBroadcasts.remove(userId, packageName); 11719 } else { 11720 if (newPackage) { 11721 mPendingBroadcasts.put(userId, packageName, components); 11722 } 11723 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11724 // Schedule a message 11725 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11726 } 11727 } 11728 } 11729 11730 long callingId = Binder.clearCallingIdentity(); 11731 try { 11732 if (sendNow) { 11733 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11734 sendPackageChangedBroadcast(packageName, 11735 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11736 } 11737 } finally { 11738 Binder.restoreCallingIdentity(callingId); 11739 } 11740 } 11741 11742 private void sendPackageChangedBroadcast(String packageName, 11743 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11744 if (DEBUG_INSTALL) 11745 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11746 + componentNames); 11747 Bundle extras = new Bundle(4); 11748 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11749 String nameList[] = new String[componentNames.size()]; 11750 componentNames.toArray(nameList); 11751 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11752 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11753 extras.putInt(Intent.EXTRA_UID, packageUid); 11754 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11755 new int[] {UserHandle.getUserId(packageUid)}); 11756 } 11757 11758 @Override 11759 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11760 if (!sUserManager.exists(userId)) return; 11761 final int uid = Binder.getCallingUid(); 11762 final int permission = mContext.checkCallingOrSelfPermission( 11763 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11764 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11765 enforceCrossUserPermission(uid, userId, true, "stop package"); 11766 // writer 11767 synchronized (mPackages) { 11768 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11769 uid, userId)) { 11770 scheduleWritePackageRestrictionsLocked(userId); 11771 } 11772 } 11773 } 11774 11775 @Override 11776 public String getInstallerPackageName(String packageName) { 11777 // reader 11778 synchronized (mPackages) { 11779 return mSettings.getInstallerPackageNameLPr(packageName); 11780 } 11781 } 11782 11783 @Override 11784 public int getApplicationEnabledSetting(String packageName, int userId) { 11785 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11786 int uid = Binder.getCallingUid(); 11787 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11788 // reader 11789 synchronized (mPackages) { 11790 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11791 } 11792 } 11793 11794 @Override 11795 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11796 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11797 int uid = Binder.getCallingUid(); 11798 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11799 // reader 11800 synchronized (mPackages) { 11801 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11802 } 11803 } 11804 11805 @Override 11806 public void enterSafeMode() { 11807 enforceSystemOrRoot("Only the system can request entering safe mode"); 11808 11809 if (!mSystemReady) { 11810 mSafeMode = true; 11811 } 11812 } 11813 11814 @Override 11815 public void systemReady() { 11816 mSystemReady = true; 11817 11818 // Read the compatibilty setting when the system is ready. 11819 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11820 mContext.getContentResolver(), 11821 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11822 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11823 if (DEBUG_SETTINGS) { 11824 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11825 } 11826 11827 synchronized (mPackages) { 11828 // Verify that all of the preferred activity components actually 11829 // exist. It is possible for applications to be updated and at 11830 // that point remove a previously declared activity component that 11831 // had been set as a preferred activity. We try to clean this up 11832 // the next time we encounter that preferred activity, but it is 11833 // possible for the user flow to never be able to return to that 11834 // situation so here we do a sanity check to make sure we haven't 11835 // left any junk around. 11836 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11837 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11838 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11839 removed.clear(); 11840 for (PreferredActivity pa : pir.filterSet()) { 11841 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11842 removed.add(pa); 11843 } 11844 } 11845 if (removed.size() > 0) { 11846 for (int r=0; r<removed.size(); r++) { 11847 PreferredActivity pa = removed.get(r); 11848 Slog.w(TAG, "Removing dangling preferred activity: " 11849 + pa.mPref.mComponent); 11850 pir.removeFilter(pa); 11851 } 11852 mSettings.writePackageRestrictionsLPr( 11853 mSettings.mPreferredActivities.keyAt(i)); 11854 } 11855 } 11856 } 11857 sUserManager.systemReady(); 11858 } 11859 11860 @Override 11861 public boolean isSafeMode() { 11862 return mSafeMode; 11863 } 11864 11865 @Override 11866 public boolean hasSystemUidErrors() { 11867 return mHasSystemUidErrors; 11868 } 11869 11870 static String arrayToString(int[] array) { 11871 StringBuffer buf = new StringBuffer(128); 11872 buf.append('['); 11873 if (array != null) { 11874 for (int i=0; i<array.length; i++) { 11875 if (i > 0) buf.append(", "); 11876 buf.append(array[i]); 11877 } 11878 } 11879 buf.append(']'); 11880 return buf.toString(); 11881 } 11882 11883 static class DumpState { 11884 public static final int DUMP_LIBS = 1 << 0; 11885 11886 public static final int DUMP_FEATURES = 1 << 1; 11887 11888 public static final int DUMP_RESOLVERS = 1 << 2; 11889 11890 public static final int DUMP_PERMISSIONS = 1 << 3; 11891 11892 public static final int DUMP_PACKAGES = 1 << 4; 11893 11894 public static final int DUMP_SHARED_USERS = 1 << 5; 11895 11896 public static final int DUMP_MESSAGES = 1 << 6; 11897 11898 public static final int DUMP_PROVIDERS = 1 << 7; 11899 11900 public static final int DUMP_VERIFIERS = 1 << 8; 11901 11902 public static final int DUMP_PREFERRED = 1 << 9; 11903 11904 public static final int DUMP_PREFERRED_XML = 1 << 10; 11905 11906 public static final int DUMP_KEYSETS = 1 << 11; 11907 11908 public static final int DUMP_VERSION = 1 << 12; 11909 11910 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11911 11912 private int mTypes; 11913 11914 private int mOptions; 11915 11916 private boolean mTitlePrinted; 11917 11918 private SharedUserSetting mSharedUser; 11919 11920 public boolean isDumping(int type) { 11921 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11922 return true; 11923 } 11924 11925 return (mTypes & type) != 0; 11926 } 11927 11928 public void setDump(int type) { 11929 mTypes |= type; 11930 } 11931 11932 public boolean isOptionEnabled(int option) { 11933 return (mOptions & option) != 0; 11934 } 11935 11936 public void setOptionEnabled(int option) { 11937 mOptions |= option; 11938 } 11939 11940 public boolean onTitlePrinted() { 11941 final boolean printed = mTitlePrinted; 11942 mTitlePrinted = true; 11943 return printed; 11944 } 11945 11946 public boolean getTitlePrinted() { 11947 return mTitlePrinted; 11948 } 11949 11950 public void setTitlePrinted(boolean enabled) { 11951 mTitlePrinted = enabled; 11952 } 11953 11954 public SharedUserSetting getSharedUser() { 11955 return mSharedUser; 11956 } 11957 11958 public void setSharedUser(SharedUserSetting user) { 11959 mSharedUser = user; 11960 } 11961 } 11962 11963 @Override 11964 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11965 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11966 != PackageManager.PERMISSION_GRANTED) { 11967 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11968 + Binder.getCallingPid() 11969 + ", uid=" + Binder.getCallingUid() 11970 + " without permission " 11971 + android.Manifest.permission.DUMP); 11972 return; 11973 } 11974 11975 DumpState dumpState = new DumpState(); 11976 boolean fullPreferred = false; 11977 boolean checkin = false; 11978 11979 String packageName = null; 11980 11981 int opti = 0; 11982 while (opti < args.length) { 11983 String opt = args[opti]; 11984 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11985 break; 11986 } 11987 opti++; 11988 if ("-a".equals(opt)) { 11989 // Right now we only know how to print all. 11990 } else if ("-h".equals(opt)) { 11991 pw.println("Package manager dump options:"); 11992 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11993 pw.println(" --checkin: dump for a checkin"); 11994 pw.println(" -f: print details of intent filters"); 11995 pw.println(" -h: print this help"); 11996 pw.println(" cmd may be one of:"); 11997 pw.println(" l[ibraries]: list known shared libraries"); 11998 pw.println(" f[ibraries]: list device features"); 11999 pw.println(" k[eysets]: print known keysets"); 12000 pw.println(" r[esolvers]: dump intent resolvers"); 12001 pw.println(" perm[issions]: dump permissions"); 12002 pw.println(" pref[erred]: print preferred package settings"); 12003 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12004 pw.println(" prov[iders]: dump content providers"); 12005 pw.println(" p[ackages]: dump installed packages"); 12006 pw.println(" s[hared-users]: dump shared user IDs"); 12007 pw.println(" m[essages]: print collected runtime messages"); 12008 pw.println(" v[erifiers]: print package verifier info"); 12009 pw.println(" version: print database version info"); 12010 pw.println(" write: write current settings now"); 12011 pw.println(" <package.name>: info about given package"); 12012 return; 12013 } else if ("--checkin".equals(opt)) { 12014 checkin = true; 12015 } else if ("-f".equals(opt)) { 12016 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12017 } else { 12018 pw.println("Unknown argument: " + opt + "; use -h for help"); 12019 } 12020 } 12021 12022 // Is the caller requesting to dump a particular piece of data? 12023 if (opti < args.length) { 12024 String cmd = args[opti]; 12025 opti++; 12026 // Is this a package name? 12027 if ("android".equals(cmd) || cmd.contains(".")) { 12028 packageName = cmd; 12029 // When dumping a single package, we always dump all of its 12030 // filter information since the amount of data will be reasonable. 12031 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12032 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12033 dumpState.setDump(DumpState.DUMP_LIBS); 12034 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12035 dumpState.setDump(DumpState.DUMP_FEATURES); 12036 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12037 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12038 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12039 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12040 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12041 dumpState.setDump(DumpState.DUMP_PREFERRED); 12042 } else if ("preferred-xml".equals(cmd)) { 12043 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12044 if (opti < args.length && "--full".equals(args[opti])) { 12045 fullPreferred = true; 12046 opti++; 12047 } 12048 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12049 dumpState.setDump(DumpState.DUMP_PACKAGES); 12050 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12051 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12052 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12053 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12054 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12055 dumpState.setDump(DumpState.DUMP_MESSAGES); 12056 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12057 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12058 } else if ("version".equals(cmd)) { 12059 dumpState.setDump(DumpState.DUMP_VERSION); 12060 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12061 dumpState.setDump(DumpState.DUMP_KEYSETS); 12062 } else if ("write".equals(cmd)) { 12063 synchronized (mPackages) { 12064 mSettings.writeLPr(); 12065 pw.println("Settings written."); 12066 return; 12067 } 12068 } 12069 } 12070 12071 if (checkin) { 12072 pw.println("vers,1"); 12073 } 12074 12075 // reader 12076 synchronized (mPackages) { 12077 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12078 if (!checkin) { 12079 if (dumpState.onTitlePrinted()) 12080 pw.println(); 12081 pw.println("Database versions:"); 12082 pw.print(" SDK Version:"); 12083 pw.print(" internal="); 12084 pw.print(mSettings.mInternalSdkPlatform); 12085 pw.print(" external="); 12086 pw.println(mSettings.mExternalSdkPlatform); 12087 pw.print(" DB Version:"); 12088 pw.print(" internal="); 12089 pw.print(mSettings.mInternalDatabaseVersion); 12090 pw.print(" external="); 12091 pw.println(mSettings.mExternalDatabaseVersion); 12092 } 12093 } 12094 12095 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12096 if (!checkin) { 12097 if (dumpState.onTitlePrinted()) 12098 pw.println(); 12099 pw.println("Verifiers:"); 12100 pw.print(" Required: "); 12101 pw.print(mRequiredVerifierPackage); 12102 pw.print(" (uid="); 12103 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12104 pw.println(")"); 12105 } else if (mRequiredVerifierPackage != null) { 12106 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12107 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12108 } 12109 } 12110 12111 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12112 boolean printedHeader = false; 12113 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12114 while (it.hasNext()) { 12115 String name = it.next(); 12116 SharedLibraryEntry ent = mSharedLibraries.get(name); 12117 if (!checkin) { 12118 if (!printedHeader) { 12119 if (dumpState.onTitlePrinted()) 12120 pw.println(); 12121 pw.println("Libraries:"); 12122 printedHeader = true; 12123 } 12124 pw.print(" "); 12125 } else { 12126 pw.print("lib,"); 12127 } 12128 pw.print(name); 12129 if (!checkin) { 12130 pw.print(" -> "); 12131 } 12132 if (ent.path != null) { 12133 if (!checkin) { 12134 pw.print("(jar) "); 12135 pw.print(ent.path); 12136 } else { 12137 pw.print(",jar,"); 12138 pw.print(ent.path); 12139 } 12140 } else { 12141 if (!checkin) { 12142 pw.print("(apk) "); 12143 pw.print(ent.apk); 12144 } else { 12145 pw.print(",apk,"); 12146 pw.print(ent.apk); 12147 } 12148 } 12149 pw.println(); 12150 } 12151 } 12152 12153 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12154 if (dumpState.onTitlePrinted()) 12155 pw.println(); 12156 if (!checkin) { 12157 pw.println("Features:"); 12158 } 12159 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12160 while (it.hasNext()) { 12161 String name = it.next(); 12162 if (!checkin) { 12163 pw.print(" "); 12164 } else { 12165 pw.print("feat,"); 12166 } 12167 pw.println(name); 12168 } 12169 } 12170 12171 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12172 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12173 : "Activity Resolver Table:", " ", packageName, 12174 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12175 dumpState.setTitlePrinted(true); 12176 } 12177 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12178 : "Receiver Resolver Table:", " ", packageName, 12179 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12180 dumpState.setTitlePrinted(true); 12181 } 12182 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12183 : "Service Resolver Table:", " ", packageName, 12184 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12185 dumpState.setTitlePrinted(true); 12186 } 12187 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12188 : "Provider Resolver Table:", " ", packageName, 12189 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12190 dumpState.setTitlePrinted(true); 12191 } 12192 } 12193 12194 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12195 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12196 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12197 int user = mSettings.mPreferredActivities.keyAt(i); 12198 if (pir.dump(pw, 12199 dumpState.getTitlePrinted() 12200 ? "\nPreferred Activities User " + user + ":" 12201 : "Preferred Activities User " + user + ":", " ", 12202 packageName, true)) { 12203 dumpState.setTitlePrinted(true); 12204 } 12205 } 12206 } 12207 12208 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12209 pw.flush(); 12210 FileOutputStream fout = new FileOutputStream(fd); 12211 BufferedOutputStream str = new BufferedOutputStream(fout); 12212 XmlSerializer serializer = new FastXmlSerializer(); 12213 try { 12214 serializer.setOutput(str, "utf-8"); 12215 serializer.startDocument(null, true); 12216 serializer.setFeature( 12217 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12218 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12219 serializer.endDocument(); 12220 serializer.flush(); 12221 } catch (IllegalArgumentException e) { 12222 pw.println("Failed writing: " + e); 12223 } catch (IllegalStateException e) { 12224 pw.println("Failed writing: " + e); 12225 } catch (IOException e) { 12226 pw.println("Failed writing: " + e); 12227 } 12228 } 12229 12230 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12231 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12232 } 12233 12234 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12235 boolean printedSomething = false; 12236 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12237 if (packageName != null && !packageName.equals(p.info.packageName)) { 12238 continue; 12239 } 12240 if (!printedSomething) { 12241 if (dumpState.onTitlePrinted()) 12242 pw.println(); 12243 pw.println("Registered ContentProviders:"); 12244 printedSomething = true; 12245 } 12246 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12247 pw.print(" "); pw.println(p.toString()); 12248 } 12249 printedSomething = false; 12250 for (Map.Entry<String, PackageParser.Provider> entry : 12251 mProvidersByAuthority.entrySet()) { 12252 PackageParser.Provider p = entry.getValue(); 12253 if (packageName != null && !packageName.equals(p.info.packageName)) { 12254 continue; 12255 } 12256 if (!printedSomething) { 12257 if (dumpState.onTitlePrinted()) 12258 pw.println(); 12259 pw.println("ContentProvider Authorities:"); 12260 printedSomething = true; 12261 } 12262 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12263 pw.print(" "); pw.println(p.toString()); 12264 if (p.info != null && p.info.applicationInfo != null) { 12265 final String appInfo = p.info.applicationInfo.toString(); 12266 pw.print(" applicationInfo="); pw.println(appInfo); 12267 } 12268 } 12269 } 12270 12271 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12272 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12273 } 12274 12275 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12276 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12277 } 12278 12279 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12280 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12281 } 12282 12283 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12284 if (dumpState.onTitlePrinted()) 12285 pw.println(); 12286 mSettings.dumpReadMessagesLPr(pw, dumpState); 12287 12288 pw.println(); 12289 pw.println("Package warning messages:"); 12290 final File fname = getSettingsProblemFile(); 12291 FileInputStream in = null; 12292 try { 12293 in = new FileInputStream(fname); 12294 final int avail = in.available(); 12295 final byte[] data = new byte[avail]; 12296 in.read(data); 12297 pw.print(new String(data)); 12298 } catch (FileNotFoundException e) { 12299 } catch (IOException e) { 12300 } finally { 12301 if (in != null) { 12302 try { 12303 in.close(); 12304 } catch (IOException e) { 12305 } 12306 } 12307 } 12308 } 12309 } 12310 } 12311 12312 // ------- apps on sdcard specific code ------- 12313 static final boolean DEBUG_SD_INSTALL = false; 12314 12315 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12316 12317 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12318 12319 private boolean mMediaMounted = false; 12320 12321 private String getEncryptKey() { 12322 try { 12323 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12324 SD_ENCRYPTION_KEYSTORE_NAME); 12325 if (sdEncKey == null) { 12326 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12327 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12328 if (sdEncKey == null) { 12329 Slog.e(TAG, "Failed to create encryption keys"); 12330 return null; 12331 } 12332 } 12333 return sdEncKey; 12334 } catch (NoSuchAlgorithmException nsae) { 12335 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12336 return null; 12337 } catch (IOException ioe) { 12338 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12339 return null; 12340 } 12341 12342 } 12343 12344 /* package */static String getTempContainerId() { 12345 int tmpIdx = 1; 12346 String list[] = PackageHelper.getSecureContainerList(); 12347 if (list != null) { 12348 for (final String name : list) { 12349 // Ignore null and non-temporary container entries 12350 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12351 continue; 12352 } 12353 12354 String subStr = name.substring(mTempContainerPrefix.length()); 12355 try { 12356 int cid = Integer.parseInt(subStr); 12357 if (cid >= tmpIdx) { 12358 tmpIdx = cid + 1; 12359 } 12360 } catch (NumberFormatException e) { 12361 } 12362 } 12363 } 12364 return mTempContainerPrefix + tmpIdx; 12365 } 12366 12367 /* 12368 * Update media status on PackageManager. 12369 */ 12370 @Override 12371 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12372 int callingUid = Binder.getCallingUid(); 12373 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12374 throw new SecurityException("Media status can only be updated by the system"); 12375 } 12376 // reader; this apparently protects mMediaMounted, but should probably 12377 // be a different lock in that case. 12378 synchronized (mPackages) { 12379 Log.i(TAG, "Updating external media status from " 12380 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12381 + (mediaStatus ? "mounted" : "unmounted")); 12382 if (DEBUG_SD_INSTALL) 12383 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12384 + ", mMediaMounted=" + mMediaMounted); 12385 if (mediaStatus == mMediaMounted) { 12386 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12387 : 0, -1); 12388 mHandler.sendMessage(msg); 12389 return; 12390 } 12391 mMediaMounted = mediaStatus; 12392 } 12393 // Queue up an async operation since the package installation may take a 12394 // little while. 12395 mHandler.post(new Runnable() { 12396 public void run() { 12397 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12398 } 12399 }); 12400 } 12401 12402 /** 12403 * Called by MountService when the initial ASECs to scan are available. 12404 * Should block until all the ASEC containers are finished being scanned. 12405 */ 12406 public void scanAvailableAsecs() { 12407 updateExternalMediaStatusInner(true, false, false); 12408 if (mShouldRestoreconData) { 12409 SELinuxMMAC.setRestoreconDone(); 12410 mShouldRestoreconData = false; 12411 } 12412 } 12413 12414 /* 12415 * Collect information of applications on external media, map them against 12416 * existing containers and update information based on current mount status. 12417 * Please note that we always have to report status if reportStatus has been 12418 * set to true especially when unloading packages. 12419 */ 12420 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12421 boolean externalStorage) { 12422 // Collection of uids 12423 int uidArr[] = null; 12424 // Collection of stale containers 12425 HashSet<String> removeCids = new HashSet<String>(); 12426 // Collection of packages on external media with valid containers. 12427 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12428 // Get list of secure containers. 12429 final String list[] = PackageHelper.getSecureContainerList(); 12430 if (list == null || list.length == 0) { 12431 Log.i(TAG, "No secure containers on sdcard"); 12432 } else { 12433 // Process list of secure containers and categorize them 12434 // as active or stale based on their package internal state. 12435 int uidList[] = new int[list.length]; 12436 int num = 0; 12437 // reader 12438 synchronized (mPackages) { 12439 for (String cid : list) { 12440 if (DEBUG_SD_INSTALL) 12441 Log.i(TAG, "Processing container " + cid); 12442 String pkgName = getAsecPackageName(cid); 12443 if (pkgName == null) { 12444 if (DEBUG_SD_INSTALL) 12445 Log.i(TAG, "Container : " + cid + " stale"); 12446 removeCids.add(cid); 12447 continue; 12448 } 12449 if (DEBUG_SD_INSTALL) 12450 Log.i(TAG, "Looking for pkg : " + pkgName); 12451 12452 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12453 if (ps == null) { 12454 Log.i(TAG, "Deleting container with no matching settings " + cid); 12455 removeCids.add(cid); 12456 continue; 12457 } 12458 12459 /* 12460 * Skip packages that are not external if we're unmounting 12461 * external storage. 12462 */ 12463 if (externalStorage && !isMounted && !isExternal(ps)) { 12464 continue; 12465 } 12466 12467 final AsecInstallArgs args = new AsecInstallArgs(cid, 12468 getAppInstructionSetFromSettings(ps), 12469 isForwardLocked(ps)); 12470 // The package status is changed only if the code path 12471 // matches between settings and the container id. 12472 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12473 if (DEBUG_SD_INSTALL) { 12474 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12475 + " at code path: " + ps.codePathString); 12476 } 12477 12478 // We do have a valid package installed on sdcard 12479 processCids.put(args, ps.codePathString); 12480 final int uid = ps.appId; 12481 if (uid != -1) { 12482 uidList[num++] = uid; 12483 } 12484 } else { 12485 Log.i(TAG, "Deleting stale container for " + cid); 12486 removeCids.add(cid); 12487 } 12488 } 12489 } 12490 12491 if (num > 0) { 12492 // Sort uid list 12493 Arrays.sort(uidList, 0, num); 12494 // Throw away duplicates 12495 uidArr = new int[num]; 12496 uidArr[0] = uidList[0]; 12497 int di = 0; 12498 for (int i = 1; i < num; i++) { 12499 if (uidList[i - 1] != uidList[i]) { 12500 uidArr[di++] = uidList[i]; 12501 } 12502 } 12503 } 12504 } 12505 // Process packages with valid entries. 12506 if (isMounted) { 12507 if (DEBUG_SD_INSTALL) 12508 Log.i(TAG, "Loading packages"); 12509 loadMediaPackages(processCids, uidArr, removeCids); 12510 startCleaningPackages(); 12511 } else { 12512 if (DEBUG_SD_INSTALL) 12513 Log.i(TAG, "Unloading packages"); 12514 unloadMediaPackages(processCids, uidArr, reportStatus); 12515 } 12516 } 12517 12518 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12519 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12520 int size = pkgList.size(); 12521 if (size > 0) { 12522 // Send broadcasts here 12523 Bundle extras = new Bundle(); 12524 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12525 .toArray(new String[size])); 12526 if (uidArr != null) { 12527 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12528 } 12529 if (replacing) { 12530 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12531 } 12532 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12533 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12534 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12535 } 12536 } 12537 12538 /* 12539 * Look at potentially valid container ids from processCids If package 12540 * information doesn't match the one on record or package scanning fails, 12541 * the cid is added to list of removeCids. We currently don't delete stale 12542 * containers. 12543 */ 12544 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12545 HashSet<String> removeCids) { 12546 ArrayList<String> pkgList = new ArrayList<String>(); 12547 Set<AsecInstallArgs> keys = processCids.keySet(); 12548 boolean doGc = false; 12549 for (AsecInstallArgs args : keys) { 12550 String codePath = processCids.get(args); 12551 if (DEBUG_SD_INSTALL) 12552 Log.i(TAG, "Loading container : " + args.cid); 12553 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12554 try { 12555 // Make sure there are no container errors first. 12556 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12557 Slog.e(TAG, "Failed to mount cid : " + args.cid 12558 + " when installing from sdcard"); 12559 continue; 12560 } 12561 // Check code path here. 12562 if (codePath == null || !codePath.equals(args.getCodePath())) { 12563 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12564 + " does not match one in settings " + codePath); 12565 continue; 12566 } 12567 // Parse package 12568 int parseFlags = mDefParseFlags; 12569 if (args.isExternal()) { 12570 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12571 } 12572 if (args.isFwdLocked()) { 12573 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12574 } 12575 12576 doGc = true; 12577 synchronized (mInstallLock) { 12578 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12579 0, 0, null, null); 12580 // Scan the package 12581 if (pkg != null) { 12582 /* 12583 * TODO why is the lock being held? doPostInstall is 12584 * called in other places without the lock. This needs 12585 * to be straightened out. 12586 */ 12587 // writer 12588 synchronized (mPackages) { 12589 retCode = PackageManager.INSTALL_SUCCEEDED; 12590 pkgList.add(pkg.packageName); 12591 // Post process args 12592 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12593 pkg.applicationInfo.uid); 12594 } 12595 } else { 12596 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12597 } 12598 } 12599 12600 } finally { 12601 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12602 // Don't destroy container here. Wait till gc clears things 12603 // up. 12604 removeCids.add(args.cid); 12605 } 12606 } 12607 } 12608 // writer 12609 synchronized (mPackages) { 12610 // If the platform SDK has changed since the last time we booted, 12611 // we need to re-grant app permission to catch any new ones that 12612 // appear. This is really a hack, and means that apps can in some 12613 // cases get permissions that the user didn't initially explicitly 12614 // allow... it would be nice to have some better way to handle 12615 // this situation. 12616 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12617 if (regrantPermissions) 12618 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12619 + mSdkVersion + "; regranting permissions for external storage"); 12620 mSettings.mExternalSdkPlatform = mSdkVersion; 12621 12622 // Make sure group IDs have been assigned, and any permission 12623 // changes in other apps are accounted for 12624 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12625 | (regrantPermissions 12626 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12627 : 0)); 12628 12629 mSettings.updateExternalDatabaseVersion(); 12630 12631 // can downgrade to reader 12632 // Persist settings 12633 mSettings.writeLPr(); 12634 } 12635 // Send a broadcast to let everyone know we are done processing 12636 if (pkgList.size() > 0) { 12637 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12638 } 12639 // Force gc to avoid any stale parser references that we might have. 12640 if (doGc) { 12641 Runtime.getRuntime().gc(); 12642 } 12643 // List stale containers and destroy stale temporary containers. 12644 if (removeCids != null) { 12645 for (String cid : removeCids) { 12646 if (cid.startsWith(mTempContainerPrefix)) { 12647 Log.i(TAG, "Destroying stale temporary container " + cid); 12648 PackageHelper.destroySdDir(cid); 12649 } else { 12650 Log.w(TAG, "Container " + cid + " is stale"); 12651 } 12652 } 12653 } 12654 } 12655 12656 /* 12657 * Utility method to unload a list of specified containers 12658 */ 12659 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12660 // Just unmount all valid containers. 12661 for (AsecInstallArgs arg : cidArgs) { 12662 synchronized (mInstallLock) { 12663 arg.doPostDeleteLI(false); 12664 } 12665 } 12666 } 12667 12668 /* 12669 * Unload packages mounted on external media. This involves deleting package 12670 * data from internal structures, sending broadcasts about diabled packages, 12671 * gc'ing to free up references, unmounting all secure containers 12672 * corresponding to packages on external media, and posting a 12673 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12674 * that we always have to post this message if status has been requested no 12675 * matter what. 12676 */ 12677 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12678 final boolean reportStatus) { 12679 if (DEBUG_SD_INSTALL) 12680 Log.i(TAG, "unloading media packages"); 12681 ArrayList<String> pkgList = new ArrayList<String>(); 12682 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12683 final Set<AsecInstallArgs> keys = processCids.keySet(); 12684 for (AsecInstallArgs args : keys) { 12685 String pkgName = args.getPackageName(); 12686 if (DEBUG_SD_INSTALL) 12687 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12688 // Delete package internally 12689 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12690 synchronized (mInstallLock) { 12691 boolean res = deletePackageLI(pkgName, null, false, null, null, 12692 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12693 if (res) { 12694 pkgList.add(pkgName); 12695 } else { 12696 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12697 failedList.add(args); 12698 } 12699 } 12700 } 12701 12702 // reader 12703 synchronized (mPackages) { 12704 // We didn't update the settings after removing each package; 12705 // write them now for all packages. 12706 mSettings.writeLPr(); 12707 } 12708 12709 // We have to absolutely send UPDATED_MEDIA_STATUS only 12710 // after confirming that all the receivers processed the ordered 12711 // broadcast when packages get disabled, force a gc to clean things up. 12712 // and unload all the containers. 12713 if (pkgList.size() > 0) { 12714 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12715 new IIntentReceiver.Stub() { 12716 public void performReceive(Intent intent, int resultCode, String data, 12717 Bundle extras, boolean ordered, boolean sticky, 12718 int sendingUser) throws RemoteException { 12719 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12720 reportStatus ? 1 : 0, 1, keys); 12721 mHandler.sendMessage(msg); 12722 } 12723 }); 12724 } else { 12725 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12726 keys); 12727 mHandler.sendMessage(msg); 12728 } 12729 } 12730 12731 /** Binder call */ 12732 @Override 12733 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12734 final int flags) { 12735 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12736 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12737 int returnCode = PackageManager.MOVE_SUCCEEDED; 12738 int currFlags = 0; 12739 int newFlags = 0; 12740 // reader 12741 synchronized (mPackages) { 12742 PackageParser.Package pkg = mPackages.get(packageName); 12743 if (pkg == null) { 12744 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12745 } else { 12746 // Disable moving fwd locked apps and system packages 12747 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12748 Slog.w(TAG, "Cannot move system application"); 12749 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12750 } else if (pkg.mOperationPending) { 12751 Slog.w(TAG, "Attempt to move package which has pending operations"); 12752 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12753 } else { 12754 // Find install location first 12755 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12756 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12757 Slog.w(TAG, "Ambigous flags specified for move location."); 12758 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12759 } else { 12760 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12761 : PackageManager.INSTALL_INTERNAL; 12762 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12763 : PackageManager.INSTALL_INTERNAL; 12764 12765 if (newFlags == currFlags) { 12766 Slog.w(TAG, "No move required. Trying to move to same location"); 12767 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12768 } else { 12769 if (isForwardLocked(pkg)) { 12770 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12771 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12772 } 12773 } 12774 } 12775 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12776 pkg.mOperationPending = true; 12777 } 12778 } 12779 } 12780 12781 /* 12782 * TODO this next block probably shouldn't be inside the lock. We 12783 * can't guarantee these won't change after this is fired off 12784 * anyway. 12785 */ 12786 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12787 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12788 null, -1, user), 12789 returnCode); 12790 } else { 12791 Message msg = mHandler.obtainMessage(INIT_COPY); 12792 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12793 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12794 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12795 instructionSet); 12796 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12797 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12798 msg.obj = mp; 12799 mHandler.sendMessage(msg); 12800 } 12801 } 12802 } 12803 12804 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12805 // Queue up an async operation since the package deletion may take a 12806 // little while. 12807 mHandler.post(new Runnable() { 12808 public void run() { 12809 // TODO fix this; this does nothing. 12810 mHandler.removeCallbacks(this); 12811 int returnCode = currentStatus; 12812 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12813 int uidArr[] = null; 12814 ArrayList<String> pkgList = null; 12815 synchronized (mPackages) { 12816 PackageParser.Package pkg = mPackages.get(mp.packageName); 12817 if (pkg == null) { 12818 Slog.w(TAG, " Package " + mp.packageName 12819 + " doesn't exist. Aborting move"); 12820 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12821 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12822 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12823 + mp.srcArgs.getCodePath() + " to " 12824 + pkg.applicationInfo.sourceDir 12825 + " Aborting move and returning error"); 12826 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12827 } else { 12828 uidArr = new int[] { 12829 pkg.applicationInfo.uid 12830 }; 12831 pkgList = new ArrayList<String>(); 12832 pkgList.add(mp.packageName); 12833 } 12834 } 12835 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12836 // Send resources unavailable broadcast 12837 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12838 // Update package code and resource paths 12839 synchronized (mInstallLock) { 12840 synchronized (mPackages) { 12841 PackageParser.Package pkg = mPackages.get(mp.packageName); 12842 // Recheck for package again. 12843 if (pkg == null) { 12844 Slog.w(TAG, " Package " + mp.packageName 12845 + " doesn't exist. Aborting move"); 12846 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12847 } else if (!mp.srcArgs.getCodePath().equals( 12848 pkg.applicationInfo.sourceDir)) { 12849 Slog.w(TAG, "Package " + mp.packageName 12850 + " code path changed from " + mp.srcArgs.getCodePath() 12851 + " to " + pkg.applicationInfo.sourceDir 12852 + " Aborting move and returning error"); 12853 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12854 } else { 12855 final String oldCodePath = pkg.codePath; 12856 final String newCodePath = mp.targetArgs.getCodePath(); 12857 final String newResPath = mp.targetArgs.getResourcePath(); 12858 final String newNativePath = mp.targetArgs 12859 .getNativeLibraryPath(); 12860 12861 final File newNativeDir = new File(newNativePath); 12862 12863 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12864 // NOTE: We do not report any errors from the APK scan and library 12865 // copy at this point. 12866 NativeLibraryHelper.ApkHandle handle = 12867 new NativeLibraryHelper.ApkHandle(newCodePath); 12868 final int abi = NativeLibraryHelper.findSupportedAbi( 12869 handle, Build.SUPPORTED_ABIS); 12870 if (abi >= 0) { 12871 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12872 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12873 } 12874 handle.close(); 12875 } 12876 final int[] users = sUserManager.getUserIds(); 12877 for (int user : users) { 12878 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12879 newNativePath, user) < 0) { 12880 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12881 } 12882 } 12883 12884 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12885 pkg.codePath = newCodePath; 12886 // Move dex files around 12887 if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) { 12888 // Moving of dex files failed. Set 12889 // error code and abort move. 12890 pkg.codePath = oldCodePath; 12891 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12892 } 12893 } 12894 12895 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12896 pkg.applicationInfo.sourceDir = newCodePath; 12897 pkg.applicationInfo.publicSourceDir = newResPath; 12898 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12899 PackageSetting ps = (PackageSetting) pkg.mExtras; 12900 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12901 ps.codePathString = ps.codePath.getPath(); 12902 ps.resourcePath = new File( 12903 pkg.applicationInfo.publicSourceDir); 12904 ps.resourcePathString = ps.resourcePath.getPath(); 12905 ps.nativeLibraryPathString = newNativePath; 12906 // Set the application info flag 12907 // correctly. 12908 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12909 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12910 } else { 12911 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12912 } 12913 ps.setFlags(pkg.applicationInfo.flags); 12914 mAppDirs.remove(oldCodePath); 12915 mAppDirs.put(newCodePath, pkg); 12916 // Persist settings 12917 mSettings.writeLPr(); 12918 } 12919 } 12920 } 12921 } 12922 // Send resources available broadcast 12923 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12924 } 12925 } 12926 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12927 // Clean up failed installation 12928 if (mp.targetArgs != null) { 12929 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12930 -1); 12931 } 12932 } else { 12933 // Force a gc to clear things up. 12934 Runtime.getRuntime().gc(); 12935 // Delete older code 12936 synchronized (mInstallLock) { 12937 mp.srcArgs.doPostDeleteLI(true); 12938 } 12939 } 12940 12941 // Allow more operations on this file if we didn't fail because 12942 // an operation was already pending for this package. 12943 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12944 synchronized (mPackages) { 12945 PackageParser.Package pkg = mPackages.get(mp.packageName); 12946 if (pkg != null) { 12947 pkg.mOperationPending = false; 12948 } 12949 } 12950 } 12951 12952 IPackageMoveObserver observer = mp.observer; 12953 if (observer != null) { 12954 try { 12955 observer.packageMoved(mp.packageName, returnCode); 12956 } catch (RemoteException e) { 12957 Log.i(TAG, "Observer no longer exists."); 12958 } 12959 } 12960 } 12961 }); 12962 } 12963 12964 @Override 12965 public boolean setInstallLocation(int loc) { 12966 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12967 null); 12968 if (getInstallLocation() == loc) { 12969 return true; 12970 } 12971 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12972 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12973 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12974 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12975 return true; 12976 } 12977 return false; 12978 } 12979 12980 @Override 12981 public int getInstallLocation() { 12982 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12983 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12984 PackageHelper.APP_INSTALL_AUTO); 12985 } 12986 12987 /** Called by UserManagerService */ 12988 void cleanUpUserLILPw(int userHandle) { 12989 mDirtyUsers.remove(userHandle); 12990 mSettings.removeUserLPr(userHandle); 12991 mPendingBroadcasts.remove(userHandle); 12992 if (mInstaller != null) { 12993 // Technically, we shouldn't be doing this with the package lock 12994 // held. However, this is very rare, and there is already so much 12995 // other disk I/O going on, that we'll let it slide for now. 12996 mInstaller.removeUserDataDirs(userHandle); 12997 } 12998 } 12999 13000 /** Called by UserManagerService */ 13001 void createNewUserLILPw(int userHandle, File path) { 13002 if (mInstaller != null) { 13003 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13004 } 13005 } 13006 13007 @Override 13008 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13009 mContext.enforceCallingOrSelfPermission( 13010 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13011 "Only package verification agents can read the verifier device identity"); 13012 13013 synchronized (mPackages) { 13014 return mSettings.getVerifierDeviceIdentityLPw(); 13015 } 13016 } 13017 13018 @Override 13019 public void setPermissionEnforced(String permission, boolean enforced) { 13020 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13021 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13022 synchronized (mPackages) { 13023 if (mSettings.mReadExternalStorageEnforced == null 13024 || mSettings.mReadExternalStorageEnforced != enforced) { 13025 mSettings.mReadExternalStorageEnforced = enforced; 13026 mSettings.writeLPr(); 13027 } 13028 } 13029 // kill any non-foreground processes so we restart them and 13030 // grant/revoke the GID. 13031 final IActivityManager am = ActivityManagerNative.getDefault(); 13032 if (am != null) { 13033 final long token = Binder.clearCallingIdentity(); 13034 try { 13035 am.killProcessesBelowForeground("setPermissionEnforcement"); 13036 } catch (RemoteException e) { 13037 } finally { 13038 Binder.restoreCallingIdentity(token); 13039 } 13040 } 13041 } else { 13042 throw new IllegalArgumentException("No selective enforcement for " + permission); 13043 } 13044 } 13045 13046 @Override 13047 @Deprecated 13048 public boolean isPermissionEnforced(String permission) { 13049 return true; 13050 } 13051 13052 @Override 13053 public boolean isStorageLow() { 13054 final long token = Binder.clearCallingIdentity(); 13055 try { 13056 final DeviceStorageMonitorInternal 13057 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13058 if (dsm != null) { 13059 return dsm.isMemoryLow(); 13060 } else { 13061 return false; 13062 } 13063 } finally { 13064 Binder.restoreCallingIdentity(token); 13065 } 13066 } 13067 13068 @Override 13069 public IPackageInstaller getPackageInstaller() { 13070 return mInstallerService; 13071 } 13072} 13073