PackageManagerService.java revision 96f4e595ba09bf9a5a5b58882d6e4cebdcf06503
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.Manifest.permission.INSTALL_PACKAGES; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.os.Process.PACKAGE_INFO_GID; 28import static android.os.Process.SYSTEM_UID; 29import static android.system.OsConstants.S_IRGRP; 30import static android.system.OsConstants.S_IROTH; 31import static android.system.OsConstants.S_IRWXU; 32import static android.system.OsConstants.S_IXGRP; 33import static android.system.OsConstants.S_IXOTH; 34import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 35import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 36import static com.android.internal.util.ArrayUtils.appendInt; 37import static com.android.internal.util.ArrayUtils.removeInt; 38 39import com.android.internal.R; 40import com.android.internal.app.IMediaContainerService; 41import com.android.internal.app.ResolverActivity; 42import com.android.internal.content.NativeLibraryHelper; 43import com.android.internal.content.NativeLibraryHelper.ApkHandle; 44import com.android.internal.content.PackageHelper; 45import com.android.internal.util.FastPrintWriter; 46import com.android.internal.util.FastXmlSerializer; 47import com.android.internal.util.XmlUtils; 48import com.android.server.EventLogTags; 49import com.android.server.IntentResolver; 50import com.android.server.LocalServices; 51import com.android.server.ServiceThread; 52import com.android.server.Watchdog; 53import com.android.server.pm.Settings.DatabaseVersion; 54import com.android.server.storage.DeviceStorageMonitorInternal; 55import com.android.server.storage.DeviceStorageMonitorInternal; 56 57import org.xmlpull.v1.XmlPullParser; 58import org.xmlpull.v1.XmlPullParserException; 59import org.xmlpull.v1.XmlSerializer; 60 61import android.app.ActivityManager; 62import android.app.ActivityManagerNative; 63import android.app.IActivityManager; 64import android.app.PackageInstallObserver; 65import android.app.admin.IDevicePolicyManager; 66import android.app.backup.IBackupManager; 67import android.content.BroadcastReceiver; 68import android.content.ComponentName; 69import android.content.Context; 70import android.content.IIntentReceiver; 71import android.content.Intent; 72import android.content.IntentFilter; 73import android.content.IntentSender; 74import android.content.IntentSender.SendIntentException; 75import android.content.ServiceConnection; 76import android.content.pm.ActivityInfo; 77import android.content.pm.ApplicationInfo; 78import android.content.pm.ContainerEncryptionParams; 79import android.content.pm.FeatureInfo; 80import android.content.pm.IPackageDataObserver; 81import android.content.pm.IPackageDeleteObserver; 82import android.content.pm.IPackageInstallObserver; 83import android.content.pm.IPackageInstallObserver2; 84import android.content.pm.IPackageInstaller; 85import android.content.pm.IPackageManager; 86import android.content.pm.IPackageMoveObserver; 87import android.content.pm.IPackageStatsObserver; 88import android.content.pm.InstrumentationInfo; 89import android.content.pm.ManifestDigest; 90import android.content.pm.PackageCleanItem; 91import android.content.pm.PackageInfo; 92import android.content.pm.PackageInfoLite; 93import android.content.pm.PackageInstallerParams; 94import android.content.pm.PackageManager; 95import android.content.pm.PackageParser.ActivityIntentInfo; 96import android.content.pm.PackageParser.PackageParserException; 97import android.content.pm.PackageParser; 98import android.content.pm.PackageStats; 99import android.content.pm.PackageUserState; 100import android.content.pm.ParceledListSlice; 101import android.content.pm.PermissionGroupInfo; 102import android.content.pm.PermissionInfo; 103import android.content.pm.ProviderInfo; 104import android.content.pm.ResolveInfo; 105import android.content.pm.ServiceInfo; 106import android.content.pm.Signature; 107import android.content.pm.VerificationParams; 108import android.content.pm.VerifierDeviceIdentity; 109import android.content.pm.VerifierInfo; 110import android.content.res.Resources; 111import android.hardware.display.DisplayManager; 112import android.net.Uri; 113import android.os.Binder; 114import android.os.Build; 115import android.os.Bundle; 116import android.os.Environment; 117import android.os.Environment.UserEnvironment; 118import android.os.FileObserver; 119import android.os.FileUtils; 120import android.os.Handler; 121import android.os.IBinder; 122import android.os.Looper; 123import android.os.Message; 124import android.os.Parcel; 125import android.os.ParcelFileDescriptor; 126import android.os.Process; 127import android.os.RemoteException; 128import android.os.SELinux; 129import android.os.ServiceManager; 130import android.os.SystemClock; 131import android.os.SystemProperties; 132import android.os.UserHandle; 133import android.os.UserManager; 134import android.security.KeyStore; 135import android.security.SystemKeyStore; 136import android.system.ErrnoException; 137import android.system.Os; 138import android.system.StructStat; 139import android.text.TextUtils; 140import android.util.ArraySet; 141import android.util.AtomicFile; 142import android.util.DisplayMetrics; 143import android.util.EventLog; 144import android.util.Log; 145import android.util.LogPrinter; 146import android.util.PrintStreamPrinter; 147import android.util.Slog; 148import android.util.SparseArray; 149import android.util.Xml; 150import android.view.Display; 151 152import java.io.BufferedInputStream; 153import java.io.BufferedOutputStream; 154import java.io.File; 155import java.io.FileDescriptor; 156import java.io.FileInputStream; 157import java.io.FileNotFoundException; 158import java.io.FileOutputStream; 159import java.io.FileReader; 160import java.io.FilenameFilter; 161import java.io.IOException; 162import java.io.InputStream; 163import java.io.PrintWriter; 164import java.nio.charset.StandardCharsets; 165import java.security.NoSuchAlgorithmException; 166import java.security.PublicKey; 167import java.security.cert.CertificateEncodingException; 168import java.security.cert.CertificateException; 169import java.text.SimpleDateFormat; 170import java.util.ArrayList; 171import java.util.Arrays; 172import java.util.Collection; 173import java.util.Collections; 174import java.util.Comparator; 175import java.util.Date; 176import java.util.HashMap; 177import java.util.HashSet; 178import java.util.Iterator; 179import java.util.List; 180import java.util.Map; 181import java.util.Set; 182import java.util.concurrent.atomic.AtomicBoolean; 183import java.util.concurrent.atomic.AtomicLong; 184 185import dalvik.system.DexFile; 186import dalvik.system.StaleDexCacheError; 187import dalvik.system.VMRuntime; 188 189import libcore.io.IoUtils; 190 191/** 192 * Keep track of all those .apks everywhere. 193 * 194 * This is very central to the platform's security; please run the unit 195 * tests whenever making modifications here: 196 * 197mmm frameworks/base/tests/AndroidTests 198adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 199adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 200 * 201 * {@hide} 202 */ 203public class PackageManagerService extends IPackageManager.Stub { 204 static final String TAG = "PackageManager"; 205 static final boolean DEBUG_SETTINGS = false; 206 static final boolean DEBUG_PREFERRED = false; 207 static final boolean DEBUG_UPGRADE = false; 208 private static final boolean DEBUG_INSTALL = false; 209 private static final boolean DEBUG_REMOVE = false; 210 private static final boolean DEBUG_BROADCASTS = false; 211 private static final boolean DEBUG_SHOW_INFO = false; 212 private static final boolean DEBUG_PACKAGE_INFO = false; 213 private static final boolean DEBUG_INTENT_MATCHING = false; 214 private static final boolean DEBUG_PACKAGE_SCANNING = false; 215 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 216 private static final boolean DEBUG_VERIFY = false; 217 private static final boolean DEBUG_DEXOPT = false; 218 219 private static final int RADIO_UID = Process.PHONE_UID; 220 private static final int LOG_UID = Process.LOG_UID; 221 private static final int NFC_UID = Process.NFC_UID; 222 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 223 private static final int SHELL_UID = Process.SHELL_UID; 224 225 // Cap the size of permission trees that 3rd party apps can define 226 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 227 228 private static final int REMOVE_EVENTS = 229 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 230 private static final int ADD_EVENTS = 231 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 232 233 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 234 // Suffix used during package installation when copying/moving 235 // package apks to install directory. 236 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 237 238 static final int SCAN_MONITOR = 1<<0; 239 static final int SCAN_NO_DEX = 1<<1; 240 static final int SCAN_FORCE_DEX = 1<<2; 241 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 242 static final int SCAN_NEW_INSTALL = 1<<4; 243 static final int SCAN_NO_PATHS = 1<<5; 244 static final int SCAN_UPDATE_TIME = 1<<6; 245 static final int SCAN_DEFER_DEX = 1<<7; 246 static final int SCAN_BOOTING = 1<<8; 247 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 248 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 249 250 static final int REMOVE_CHATTY = 1<<16; 251 252 /** 253 * Timeout (in milliseconds) after which the watchdog should declare that 254 * our handler thread is wedged. The usual default for such things is one 255 * minute but we sometimes do very lengthy I/O operations on this thread, 256 * such as installing multi-gigabyte applications, so ours needs to be longer. 257 */ 258 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 259 260 /** 261 * Whether verification is enabled by default. 262 */ 263 private static final boolean DEFAULT_VERIFY_ENABLE = true; 264 265 /** 266 * The default maximum time to wait for the verification agent to return in 267 * milliseconds. 268 */ 269 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 270 271 /** 272 * The default response for package verification timeout. 273 * 274 * This can be either PackageManager.VERIFICATION_ALLOW or 275 * PackageManager.VERIFICATION_REJECT. 276 */ 277 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 278 279 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 280 281 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 282 DEFAULT_CONTAINER_PACKAGE, 283 "com.android.defcontainer.DefaultContainerService"); 284 285 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 286 287 private static final String LIB_DIR_NAME = "lib"; 288 private static final String LIB64_DIR_NAME = "lib64"; 289 290 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 291 292 static final String mTempContainerPrefix = "smdl2tmp"; 293 294 private static String sPreferredInstructionSet; 295 296 final ServiceThread mHandlerThread; 297 298 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 299 private static final String IDMAP_SUFFIX = "@idmap"; 300 301 final PackageHandler mHandler; 302 303 final int mSdkVersion = Build.VERSION.SDK_INT; 304 305 final Context mContext; 306 final boolean mFactoryTest; 307 final boolean mOnlyCore; 308 final DisplayMetrics mMetrics; 309 final int mDefParseFlags; 310 final String[] mSeparateProcesses; 311 312 // This is where all application persistent data goes. 313 final File mAppDataDir; 314 315 // This is where all application persistent data goes for secondary users. 316 final File mUserAppDataDir; 317 318 /** The location for ASEC container files on internal storage. */ 319 final String mAsecInternalPath; 320 321 // This is the object monitoring the framework dir. 322 final FileObserver mFrameworkInstallObserver; 323 324 // This is the object monitoring the system app dir. 325 final FileObserver mSystemInstallObserver; 326 327 // This is the object monitoring the privileged system app dir. 328 final FileObserver mPrivilegedInstallObserver; 329 330 // This is the object monitoring the vendor app dir. 331 final FileObserver mVendorInstallObserver; 332 333 // This is the object monitoring the vendor overlay package dir. 334 final FileObserver mVendorOverlayInstallObserver; 335 336 // This is the object monitoring the OEM app dir. 337 final FileObserver mOemInstallObserver; 338 339 // This is the object monitoring mAppInstallDir. 340 final FileObserver mAppInstallObserver; 341 342 // This is the object monitoring mDrmAppPrivateInstallDir. 343 final FileObserver mDrmAppInstallObserver; 344 345 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 346 // LOCK HELD. Can be called with mInstallLock held. 347 final Installer mInstaller; 348 349 final File mAppInstallDir; 350 351 /** 352 * Directory to which applications installed internally have native 353 * libraries copied. 354 */ 355 private File mAppLibInstallDir; 356 357 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 358 // apps. 359 final File mDrmAppPrivateInstallDir; 360 361 final File mAppStagingDir; 362 363 // ---------------------------------------------------------------- 364 365 // Lock for state used when installing and doing other long running 366 // operations. Methods that must be called with this lock held have 367 // the suffix "LI". 368 final Object mInstallLock = new Object(); 369 370 // These are the directories in the 3rd party applications installed dir 371 // that we have currently loaded packages from. Keys are the application's 372 // installed zip file (absolute codePath), and values are Package. 373 final HashMap<String, PackageParser.Package> mAppDirs = 374 new HashMap<String, PackageParser.Package>(); 375 376 // Information for the parser to write more useful error messages. 377 int mLastScanError; 378 379 // ---------------------------------------------------------------- 380 381 // Keys are String (package name), values are Package. This also serves 382 // as the lock for the global state. Methods that must be called with 383 // this lock held have the prefix "LP". 384 final HashMap<String, PackageParser.Package> mPackages = 385 new HashMap<String, PackageParser.Package>(); 386 387 // Tracks available target package names -> overlay package paths. 388 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 389 new HashMap<String, HashMap<String, PackageParser.Package>>(); 390 391 final Settings mSettings; 392 boolean mRestoredSettings; 393 394 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 395 int[] mGlobalGids; 396 397 // These are the built-in uid -> permission mappings that were read from the 398 // etc/permissions.xml file. 399 final SparseArray<HashSet<String>> mSystemPermissions = 400 new SparseArray<HashSet<String>>(); 401 402 static final class SharedLibraryEntry { 403 final String path; 404 final String apk; 405 406 SharedLibraryEntry(String _path, String _apk) { 407 path = _path; 408 apk = _apk; 409 } 410 } 411 412 // These are the built-in shared libraries that were read from the 413 // etc/permissions.xml file. 414 final HashMap<String, SharedLibraryEntry> mSharedLibraries 415 = new HashMap<String, SharedLibraryEntry>(); 416 417 // These are the features this devices supports that were read from the 418 // etc/permissions.xml file. 419 final HashMap<String, FeatureInfo> mAvailableFeatures = 420 new HashMap<String, FeatureInfo>(); 421 422 // If mac_permissions.xml was found for seinfo labeling. 423 boolean mFoundPolicyFile; 424 425 // If a recursive restorecon of /data/data/<pkg> is needed. 426 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 427 428 // All available activities, for your resolving pleasure. 429 final ActivityIntentResolver mActivities = 430 new ActivityIntentResolver(); 431 432 // All available receivers, for your resolving pleasure. 433 final ActivityIntentResolver mReceivers = 434 new ActivityIntentResolver(); 435 436 // All available services, for your resolving pleasure. 437 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 438 439 // All available providers, for your resolving pleasure. 440 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 441 442 // Mapping from provider base names (first directory in content URI codePath) 443 // to the provider information. 444 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 445 new HashMap<String, PackageParser.Provider>(); 446 447 // Mapping from instrumentation class names to info about them. 448 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 449 new HashMap<ComponentName, PackageParser.Instrumentation>(); 450 451 // Mapping from permission names to info about them. 452 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 453 new HashMap<String, PackageParser.PermissionGroup>(); 454 455 // Packages whose data we have transfered into another package, thus 456 // should no longer exist. 457 final HashSet<String> mTransferedPackages = new HashSet<String>(); 458 459 // Broadcast actions that are only available to the system. 460 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 461 462 /** List of packages waiting for verification. */ 463 final SparseArray<PackageVerificationState> mPendingVerification 464 = new SparseArray<PackageVerificationState>(); 465 466 final PackageInstallerService mInstallerService; 467 468 HashSet<PackageParser.Package> mDeferredDexOpt = null; 469 470 /** Token for keys in mPendingVerification. */ 471 private int mPendingVerificationToken = 0; 472 473 boolean mSystemReady; 474 boolean mSafeMode; 475 boolean mHasSystemUidErrors; 476 477 ApplicationInfo mAndroidApplication; 478 final ActivityInfo mResolveActivity = new ActivityInfo(); 479 final ResolveInfo mResolveInfo = new ResolveInfo(); 480 ComponentName mResolveComponentName; 481 PackageParser.Package mPlatformPackage; 482 ComponentName mCustomResolverComponentName; 483 484 boolean mResolverReplaced = false; 485 486 // Set of pending broadcasts for aggregating enable/disable of components. 487 static class PendingPackageBroadcasts { 488 // for each user id, a map of <package name -> components within that package> 489 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 490 491 public PendingPackageBroadcasts() { 492 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 493 } 494 495 public ArrayList<String> get(int userId, String packageName) { 496 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 497 return packages.get(packageName); 498 } 499 500 public void put(int userId, String packageName, ArrayList<String> components) { 501 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 502 packages.put(packageName, components); 503 } 504 505 public void remove(int userId, String packageName) { 506 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 507 if (packages != null) { 508 packages.remove(packageName); 509 } 510 } 511 512 public void remove(int userId) { 513 mUidMap.remove(userId); 514 } 515 516 public int userIdCount() { 517 return mUidMap.size(); 518 } 519 520 public int userIdAt(int n) { 521 return mUidMap.keyAt(n); 522 } 523 524 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 525 return mUidMap.get(userId); 526 } 527 528 public int size() { 529 // total number of pending broadcast entries across all userIds 530 int num = 0; 531 for (int i = 0; i< mUidMap.size(); i++) { 532 num += mUidMap.valueAt(i).size(); 533 } 534 return num; 535 } 536 537 public void clear() { 538 mUidMap.clear(); 539 } 540 541 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 542 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 543 if (map == null) { 544 map = new HashMap<String, ArrayList<String>>(); 545 mUidMap.put(userId, map); 546 } 547 return map; 548 } 549 } 550 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 551 552 // Service Connection to remote media container service to copy 553 // package uri's from external media onto secure containers 554 // or internal storage. 555 private IMediaContainerService mContainerService = null; 556 557 static final int SEND_PENDING_BROADCAST = 1; 558 static final int MCS_BOUND = 3; 559 static final int END_COPY = 4; 560 static final int INIT_COPY = 5; 561 static final int MCS_UNBIND = 6; 562 static final int START_CLEANING_PACKAGE = 7; 563 static final int FIND_INSTALL_LOC = 8; 564 static final int POST_INSTALL = 9; 565 static final int MCS_RECONNECT = 10; 566 static final int MCS_GIVE_UP = 11; 567 static final int UPDATED_MEDIA_STATUS = 12; 568 static final int WRITE_SETTINGS = 13; 569 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 570 static final int PACKAGE_VERIFIED = 15; 571 static final int CHECK_PENDING_VERIFICATION = 16; 572 573 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 574 575 // Delay time in millisecs 576 static final int BROADCAST_DELAY = 10 * 1000; 577 578 static UserManagerService sUserManager; 579 580 // Stores a list of users whose package restrictions file needs to be updated 581 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 582 583 final private DefaultContainerConnection mDefContainerConn = 584 new DefaultContainerConnection(); 585 class DefaultContainerConnection implements ServiceConnection { 586 public void onServiceConnected(ComponentName name, IBinder service) { 587 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 588 IMediaContainerService imcs = 589 IMediaContainerService.Stub.asInterface(service); 590 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 591 } 592 593 public void onServiceDisconnected(ComponentName name) { 594 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 595 } 596 }; 597 598 // Recordkeeping of restore-after-install operations that are currently in flight 599 // between the Package Manager and the Backup Manager 600 class PostInstallData { 601 public InstallArgs args; 602 public PackageInstalledInfo res; 603 604 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 605 args = _a; 606 res = _r; 607 } 608 }; 609 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 610 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 611 612 private final String mRequiredVerifierPackage; 613 614 private final PackageUsage mPackageUsage = new PackageUsage(); 615 616 private class PackageUsage { 617 private static final int WRITE_INTERVAL 618 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 619 620 private final Object mFileLock = new Object(); 621 private final AtomicLong mLastWritten = new AtomicLong(0); 622 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 623 624 private boolean mIsFirstBoot = false; 625 626 boolean isFirstBoot() { 627 return mIsFirstBoot; 628 } 629 630 void write(boolean force) { 631 if (force) { 632 writeInternal(); 633 return; 634 } 635 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 636 && !DEBUG_DEXOPT) { 637 return; 638 } 639 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 640 new Thread("PackageUsage_DiskWriter") { 641 @Override 642 public void run() { 643 try { 644 writeInternal(); 645 } finally { 646 mBackgroundWriteRunning.set(false); 647 } 648 } 649 }.start(); 650 } 651 } 652 653 private void writeInternal() { 654 synchronized (mPackages) { 655 synchronized (mFileLock) { 656 AtomicFile file = getFile(); 657 FileOutputStream f = null; 658 try { 659 f = file.startWrite(); 660 BufferedOutputStream out = new BufferedOutputStream(f); 661 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 662 StringBuilder sb = new StringBuilder(); 663 for (PackageParser.Package pkg : mPackages.values()) { 664 if (pkg.mLastPackageUsageTimeInMills == 0) { 665 continue; 666 } 667 sb.setLength(0); 668 sb.append(pkg.packageName); 669 sb.append(' '); 670 sb.append((long)pkg.mLastPackageUsageTimeInMills); 671 sb.append('\n'); 672 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 673 } 674 out.flush(); 675 file.finishWrite(f); 676 } catch (IOException e) { 677 if (f != null) { 678 file.failWrite(f); 679 } 680 Log.e(TAG, "Failed to write package usage times", e); 681 } 682 } 683 } 684 mLastWritten.set(SystemClock.elapsedRealtime()); 685 } 686 687 void readLP() { 688 synchronized (mFileLock) { 689 AtomicFile file = getFile(); 690 BufferedInputStream in = null; 691 try { 692 in = new BufferedInputStream(file.openRead()); 693 StringBuffer sb = new StringBuffer(); 694 while (true) { 695 String packageName = readToken(in, sb, ' '); 696 if (packageName == null) { 697 break; 698 } 699 String timeInMillisString = readToken(in, sb, '\n'); 700 if (timeInMillisString == null) { 701 throw new IOException("Failed to find last usage time for package " 702 + packageName); 703 } 704 PackageParser.Package pkg = mPackages.get(packageName); 705 if (pkg == null) { 706 continue; 707 } 708 long timeInMillis; 709 try { 710 timeInMillis = Long.parseLong(timeInMillisString.toString()); 711 } catch (NumberFormatException e) { 712 throw new IOException("Failed to parse " + timeInMillisString 713 + " as a long.", e); 714 } 715 pkg.mLastPackageUsageTimeInMills = timeInMillis; 716 } 717 } catch (FileNotFoundException expected) { 718 mIsFirstBoot = true; 719 } catch (IOException e) { 720 Log.w(TAG, "Failed to read package usage times", e); 721 } finally { 722 IoUtils.closeQuietly(in); 723 } 724 } 725 mLastWritten.set(SystemClock.elapsedRealtime()); 726 } 727 728 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 729 throws IOException { 730 sb.setLength(0); 731 while (true) { 732 int ch = in.read(); 733 if (ch == -1) { 734 if (sb.length() == 0) { 735 return null; 736 } 737 throw new IOException("Unexpected EOF"); 738 } 739 if (ch == endOfToken) { 740 return sb.toString(); 741 } 742 sb.append((char)ch); 743 } 744 } 745 746 private AtomicFile getFile() { 747 File dataDir = Environment.getDataDirectory(); 748 File systemDir = new File(dataDir, "system"); 749 File fname = new File(systemDir, "package-usage.list"); 750 return new AtomicFile(fname); 751 } 752 } 753 754 class PackageHandler extends Handler { 755 private boolean mBound = false; 756 final ArrayList<HandlerParams> mPendingInstalls = 757 new ArrayList<HandlerParams>(); 758 759 private boolean connectToService() { 760 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 761 " DefaultContainerService"); 762 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 763 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 764 if (mContext.bindServiceAsUser(service, mDefContainerConn, 765 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 766 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 767 mBound = true; 768 return true; 769 } 770 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 771 return false; 772 } 773 774 private void disconnectService() { 775 mContainerService = null; 776 mBound = false; 777 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 778 mContext.unbindService(mDefContainerConn); 779 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 780 } 781 782 PackageHandler(Looper looper) { 783 super(looper); 784 } 785 786 public void handleMessage(Message msg) { 787 try { 788 doHandleMessage(msg); 789 } finally { 790 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 791 } 792 } 793 794 void doHandleMessage(Message msg) { 795 switch (msg.what) { 796 case INIT_COPY: { 797 HandlerParams params = (HandlerParams) msg.obj; 798 int idx = mPendingInstalls.size(); 799 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 800 // If a bind was already initiated we dont really 801 // need to do anything. The pending install 802 // will be processed later on. 803 if (!mBound) { 804 // If this is the only one pending we might 805 // have to bind to the service again. 806 if (!connectToService()) { 807 Slog.e(TAG, "Failed to bind to media container service"); 808 params.serviceError(); 809 return; 810 } else { 811 // Once we bind to the service, the first 812 // pending request will be processed. 813 mPendingInstalls.add(idx, params); 814 } 815 } else { 816 mPendingInstalls.add(idx, params); 817 // Already bound to the service. Just make 818 // sure we trigger off processing the first request. 819 if (idx == 0) { 820 mHandler.sendEmptyMessage(MCS_BOUND); 821 } 822 } 823 break; 824 } 825 case MCS_BOUND: { 826 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 827 if (msg.obj != null) { 828 mContainerService = (IMediaContainerService) msg.obj; 829 } 830 if (mContainerService == null) { 831 // Something seriously wrong. Bail out 832 Slog.e(TAG, "Cannot bind to media container service"); 833 for (HandlerParams params : mPendingInstalls) { 834 // Indicate service bind error 835 params.serviceError(); 836 } 837 mPendingInstalls.clear(); 838 } else if (mPendingInstalls.size() > 0) { 839 HandlerParams params = mPendingInstalls.get(0); 840 if (params != null) { 841 if (params.startCopy()) { 842 // We are done... look for more work or to 843 // go idle. 844 if (DEBUG_SD_INSTALL) Log.i(TAG, 845 "Checking for more work or unbind..."); 846 // Delete pending install 847 if (mPendingInstalls.size() > 0) { 848 mPendingInstalls.remove(0); 849 } 850 if (mPendingInstalls.size() == 0) { 851 if (mBound) { 852 if (DEBUG_SD_INSTALL) Log.i(TAG, 853 "Posting delayed MCS_UNBIND"); 854 removeMessages(MCS_UNBIND); 855 Message ubmsg = obtainMessage(MCS_UNBIND); 856 // Unbind after a little delay, to avoid 857 // continual thrashing. 858 sendMessageDelayed(ubmsg, 10000); 859 } 860 } else { 861 // There are more pending requests in queue. 862 // Just post MCS_BOUND message to trigger processing 863 // of next pending install. 864 if (DEBUG_SD_INSTALL) Log.i(TAG, 865 "Posting MCS_BOUND for next work"); 866 mHandler.sendEmptyMessage(MCS_BOUND); 867 } 868 } 869 } 870 } else { 871 // Should never happen ideally. 872 Slog.w(TAG, "Empty queue"); 873 } 874 break; 875 } 876 case MCS_RECONNECT: { 877 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 878 if (mPendingInstalls.size() > 0) { 879 if (mBound) { 880 disconnectService(); 881 } 882 if (!connectToService()) { 883 Slog.e(TAG, "Failed to bind to media container service"); 884 for (HandlerParams params : mPendingInstalls) { 885 // Indicate service bind error 886 params.serviceError(); 887 } 888 mPendingInstalls.clear(); 889 } 890 } 891 break; 892 } 893 case MCS_UNBIND: { 894 // If there is no actual work left, then time to unbind. 895 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 896 897 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 898 if (mBound) { 899 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 900 901 disconnectService(); 902 } 903 } else if (mPendingInstalls.size() > 0) { 904 // There are more pending requests in queue. 905 // Just post MCS_BOUND message to trigger processing 906 // of next pending install. 907 mHandler.sendEmptyMessage(MCS_BOUND); 908 } 909 910 break; 911 } 912 case MCS_GIVE_UP: { 913 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 914 mPendingInstalls.remove(0); 915 break; 916 } 917 case SEND_PENDING_BROADCAST: { 918 String packages[]; 919 ArrayList<String> components[]; 920 int size = 0; 921 int uids[]; 922 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 923 synchronized (mPackages) { 924 if (mPendingBroadcasts == null) { 925 return; 926 } 927 size = mPendingBroadcasts.size(); 928 if (size <= 0) { 929 // Nothing to be done. Just return 930 return; 931 } 932 packages = new String[size]; 933 components = new ArrayList[size]; 934 uids = new int[size]; 935 int i = 0; // filling out the above arrays 936 937 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 938 int packageUserId = mPendingBroadcasts.userIdAt(n); 939 Iterator<Map.Entry<String, ArrayList<String>>> it 940 = mPendingBroadcasts.packagesForUserId(packageUserId) 941 .entrySet().iterator(); 942 while (it.hasNext() && i < size) { 943 Map.Entry<String, ArrayList<String>> ent = it.next(); 944 packages[i] = ent.getKey(); 945 components[i] = ent.getValue(); 946 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 947 uids[i] = (ps != null) 948 ? UserHandle.getUid(packageUserId, ps.appId) 949 : -1; 950 i++; 951 } 952 } 953 size = i; 954 mPendingBroadcasts.clear(); 955 } 956 // Send broadcasts 957 for (int i = 0; i < size; i++) { 958 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 959 } 960 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 961 break; 962 } 963 case START_CLEANING_PACKAGE: { 964 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 965 final String packageName = (String)msg.obj; 966 final int userId = msg.arg1; 967 final boolean andCode = msg.arg2 != 0; 968 synchronized (mPackages) { 969 if (userId == UserHandle.USER_ALL) { 970 int[] users = sUserManager.getUserIds(); 971 for (int user : users) { 972 mSettings.addPackageToCleanLPw( 973 new PackageCleanItem(user, packageName, andCode)); 974 } 975 } else { 976 mSettings.addPackageToCleanLPw( 977 new PackageCleanItem(userId, packageName, andCode)); 978 } 979 } 980 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 981 startCleaningPackages(); 982 } break; 983 case POST_INSTALL: { 984 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 985 PostInstallData data = mRunningInstalls.get(msg.arg1); 986 mRunningInstalls.delete(msg.arg1); 987 boolean deleteOld = false; 988 989 if (data != null) { 990 InstallArgs args = data.args; 991 PackageInstalledInfo res = data.res; 992 993 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 994 res.removedInfo.sendBroadcast(false, true, false); 995 Bundle extras = new Bundle(1); 996 extras.putInt(Intent.EXTRA_UID, res.uid); 997 // Determine the set of users who are adding this 998 // package for the first time vs. those who are seeing 999 // an update. 1000 int[] firstUsers; 1001 int[] updateUsers = new int[0]; 1002 if (res.origUsers == null || res.origUsers.length == 0) { 1003 firstUsers = res.newUsers; 1004 } else { 1005 firstUsers = new int[0]; 1006 for (int i=0; i<res.newUsers.length; i++) { 1007 int user = res.newUsers[i]; 1008 boolean isNew = true; 1009 for (int j=0; j<res.origUsers.length; j++) { 1010 if (res.origUsers[j] == user) { 1011 isNew = false; 1012 break; 1013 } 1014 } 1015 if (isNew) { 1016 int[] newFirst = new int[firstUsers.length+1]; 1017 System.arraycopy(firstUsers, 0, newFirst, 0, 1018 firstUsers.length); 1019 newFirst[firstUsers.length] = user; 1020 firstUsers = newFirst; 1021 } else { 1022 int[] newUpdate = new int[updateUsers.length+1]; 1023 System.arraycopy(updateUsers, 0, newUpdate, 0, 1024 updateUsers.length); 1025 newUpdate[updateUsers.length] = user; 1026 updateUsers = newUpdate; 1027 } 1028 } 1029 } 1030 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1031 res.pkg.applicationInfo.packageName, 1032 extras, null, null, firstUsers); 1033 final boolean update = res.removedInfo.removedPackage != null; 1034 if (update) { 1035 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1036 } 1037 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1038 res.pkg.applicationInfo.packageName, 1039 extras, null, null, updateUsers); 1040 if (update) { 1041 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1042 res.pkg.applicationInfo.packageName, 1043 extras, null, null, updateUsers); 1044 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1045 null, null, 1046 res.pkg.applicationInfo.packageName, null, updateUsers); 1047 1048 // treat asec-hosted packages like removable media on upgrade 1049 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1050 if (DEBUG_INSTALL) { 1051 Slog.i(TAG, "upgrading pkg " + res.pkg 1052 + " is ASEC-hosted -> AVAILABLE"); 1053 } 1054 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1055 ArrayList<String> pkgList = new ArrayList<String>(1); 1056 pkgList.add(res.pkg.applicationInfo.packageName); 1057 sendResourcesChangedBroadcast(true, true, 1058 pkgList,uidArray, null); 1059 } 1060 } 1061 if (res.removedInfo.args != null) { 1062 // Remove the replaced package's older resources safely now 1063 deleteOld = true; 1064 } 1065 1066 // Log current value of "unknown sources" setting 1067 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1068 getUnknownSourcesSettings()); 1069 } 1070 // Force a gc to clear up things 1071 Runtime.getRuntime().gc(); 1072 // We delete after a gc for applications on sdcard. 1073 if (deleteOld) { 1074 synchronized (mInstallLock) { 1075 res.removedInfo.args.doPostDeleteLI(true); 1076 } 1077 } 1078 if (args.observer != null) { 1079 try { 1080 args.observer.packageInstalled(res.name, res.returnCode); 1081 } catch (RemoteException e) { 1082 Slog.i(TAG, "Observer no longer exists."); 1083 } 1084 } 1085 if (args.observer2 != null) { 1086 try { 1087 Bundle extras = extrasForInstallResult(res); 1088 args.observer2.packageInstalled(res.name, extras, res.returnCode); 1089 } catch (RemoteException e) { 1090 Slog.i(TAG, "Observer no longer exists."); 1091 } 1092 } 1093 } else { 1094 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1095 } 1096 } break; 1097 case UPDATED_MEDIA_STATUS: { 1098 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1099 boolean reportStatus = msg.arg1 == 1; 1100 boolean doGc = msg.arg2 == 1; 1101 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1102 if (doGc) { 1103 // Force a gc to clear up stale containers. 1104 Runtime.getRuntime().gc(); 1105 } 1106 if (msg.obj != null) { 1107 @SuppressWarnings("unchecked") 1108 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1109 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1110 // Unload containers 1111 unloadAllContainers(args); 1112 } 1113 if (reportStatus) { 1114 try { 1115 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1116 PackageHelper.getMountService().finishMediaUpdate(); 1117 } catch (RemoteException e) { 1118 Log.e(TAG, "MountService not running?"); 1119 } 1120 } 1121 } break; 1122 case WRITE_SETTINGS: { 1123 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1124 synchronized (mPackages) { 1125 removeMessages(WRITE_SETTINGS); 1126 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1127 mSettings.writeLPr(); 1128 mDirtyUsers.clear(); 1129 } 1130 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1131 } break; 1132 case WRITE_PACKAGE_RESTRICTIONS: { 1133 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1134 synchronized (mPackages) { 1135 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1136 for (int userId : mDirtyUsers) { 1137 mSettings.writePackageRestrictionsLPr(userId); 1138 } 1139 mDirtyUsers.clear(); 1140 } 1141 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1142 } break; 1143 case CHECK_PENDING_VERIFICATION: { 1144 final int verificationId = msg.arg1; 1145 final PackageVerificationState state = mPendingVerification.get(verificationId); 1146 1147 if ((state != null) && !state.timeoutExtended()) { 1148 final InstallArgs args = state.getInstallArgs(); 1149 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 1150 mPendingVerification.remove(verificationId); 1151 1152 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1153 1154 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1155 Slog.i(TAG, "Continuing with installation of " 1156 + args.packageURI.toString()); 1157 state.setVerifierResponse(Binder.getCallingUid(), 1158 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1159 broadcastPackageVerified(verificationId, args.packageURI, 1160 PackageManager.VERIFICATION_ALLOW, 1161 state.getInstallArgs().getUser()); 1162 try { 1163 ret = args.copyApk(mContainerService, true); 1164 } catch (RemoteException e) { 1165 Slog.e(TAG, "Could not contact the ContainerService"); 1166 } 1167 } else { 1168 broadcastPackageVerified(verificationId, args.packageURI, 1169 PackageManager.VERIFICATION_REJECT, 1170 state.getInstallArgs().getUser()); 1171 } 1172 1173 processPendingInstall(args, ret); 1174 mHandler.sendEmptyMessage(MCS_UNBIND); 1175 } 1176 break; 1177 } 1178 case PACKAGE_VERIFIED: { 1179 final int verificationId = msg.arg1; 1180 1181 final PackageVerificationState state = mPendingVerification.get(verificationId); 1182 if (state == null) { 1183 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1184 break; 1185 } 1186 1187 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1188 1189 state.setVerifierResponse(response.callerUid, response.code); 1190 1191 if (state.isVerificationComplete()) { 1192 mPendingVerification.remove(verificationId); 1193 1194 final InstallArgs args = state.getInstallArgs(); 1195 1196 int ret; 1197 if (state.isInstallAllowed()) { 1198 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1199 broadcastPackageVerified(verificationId, args.packageURI, 1200 response.code, state.getInstallArgs().getUser()); 1201 try { 1202 ret = args.copyApk(mContainerService, true); 1203 } catch (RemoteException e) { 1204 Slog.e(TAG, "Could not contact the ContainerService"); 1205 } 1206 } else { 1207 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1208 } 1209 1210 processPendingInstall(args, ret); 1211 1212 mHandler.sendEmptyMessage(MCS_UNBIND); 1213 } 1214 1215 break; 1216 } 1217 } 1218 } 1219 } 1220 1221 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1222 Bundle extras = null; 1223 switch (res.returnCode) { 1224 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1225 extras = new Bundle(); 1226 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1227 res.origPermission); 1228 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1229 res.origPackage); 1230 break; 1231 } 1232 } 1233 return extras; 1234 } 1235 1236 void scheduleWriteSettingsLocked() { 1237 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1238 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1239 } 1240 } 1241 1242 void scheduleWritePackageRestrictionsLocked(int userId) { 1243 if (!sUserManager.exists(userId)) return; 1244 mDirtyUsers.add(userId); 1245 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1246 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1247 } 1248 } 1249 1250 public static final IPackageManager main(Context context, Installer installer, 1251 boolean factoryTest, boolean onlyCore) { 1252 PackageManagerService m = new PackageManagerService(context, installer, 1253 factoryTest, onlyCore); 1254 ServiceManager.addService("package", m); 1255 return m; 1256 } 1257 1258 static String[] splitString(String str, char sep) { 1259 int count = 1; 1260 int i = 0; 1261 while ((i=str.indexOf(sep, i)) >= 0) { 1262 count++; 1263 i++; 1264 } 1265 1266 String[] res = new String[count]; 1267 i=0; 1268 count = 0; 1269 int lastI=0; 1270 while ((i=str.indexOf(sep, i)) >= 0) { 1271 res[count] = str.substring(lastI, i); 1272 count++; 1273 i++; 1274 lastI = i; 1275 } 1276 res[count] = str.substring(lastI, str.length()); 1277 return res; 1278 } 1279 1280 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1281 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1282 Context.DISPLAY_SERVICE); 1283 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1284 } 1285 1286 public PackageManagerService(Context context, Installer installer, 1287 boolean factoryTest, boolean onlyCore) { 1288 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1289 SystemClock.uptimeMillis()); 1290 1291 if (mSdkVersion <= 0) { 1292 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1293 } 1294 1295 mContext = context; 1296 mFactoryTest = factoryTest; 1297 mOnlyCore = onlyCore; 1298 mMetrics = new DisplayMetrics(); 1299 mSettings = new Settings(context); 1300 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1301 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1302 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1303 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1304 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1305 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1306 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1307 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1308 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1309 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1310 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1311 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1312 1313 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1314 if (separateProcesses != null && separateProcesses.length() > 0) { 1315 if ("*".equals(separateProcesses)) { 1316 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1317 mSeparateProcesses = null; 1318 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1319 } else { 1320 mDefParseFlags = 0; 1321 mSeparateProcesses = separateProcesses.split(","); 1322 Slog.w(TAG, "Running with debug.separate_processes: " 1323 + separateProcesses); 1324 } 1325 } else { 1326 mDefParseFlags = 0; 1327 mSeparateProcesses = null; 1328 } 1329 1330 mInstaller = installer; 1331 1332 getDefaultDisplayMetrics(context, mMetrics); 1333 1334 synchronized (mInstallLock) { 1335 // writer 1336 synchronized (mPackages) { 1337 mHandlerThread = new ServiceThread(TAG, 1338 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1339 mHandlerThread.start(); 1340 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1341 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1342 1343 File dataDir = Environment.getDataDirectory(); 1344 mAppDataDir = new File(dataDir, "data"); 1345 mAppInstallDir = new File(dataDir, "app"); 1346 mAppLibInstallDir = new File(dataDir, "app-lib"); 1347 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1348 mUserAppDataDir = new File(dataDir, "user"); 1349 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1350 mAppStagingDir = new File(dataDir, "app-staging"); 1351 1352 sUserManager = new UserManagerService(context, this, 1353 mInstallLock, mPackages); 1354 1355 // Read permissions and features from system 1356 readPermissions(Environment.buildPath( 1357 Environment.getRootDirectory(), "etc", "permissions"), false); 1358 // Only read features from OEM 1359 readPermissions(Environment.buildPath( 1360 Environment.getOemDirectory(), "etc", "permissions"), true); 1361 1362 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1363 1364 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1365 mSdkVersion, mOnlyCore); 1366 1367 String customResolverActivity = Resources.getSystem().getString( 1368 R.string.config_customResolverActivity); 1369 if (TextUtils.isEmpty(customResolverActivity)) { 1370 customResolverActivity = null; 1371 } else { 1372 mCustomResolverComponentName = ComponentName.unflattenFromString( 1373 customResolverActivity); 1374 } 1375 1376 long startTime = SystemClock.uptimeMillis(); 1377 1378 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1379 startTime); 1380 1381 // Set flag to monitor and not change apk file paths when 1382 // scanning install directories. 1383 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1384 1385 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1386 1387 /** 1388 * Add everything in the in the boot class path to the 1389 * list of process files because dexopt will have been run 1390 * if necessary during zygote startup. 1391 */ 1392 String bootClassPath = System.getProperty("java.boot.class.path"); 1393 if (bootClassPath != null) { 1394 String[] paths = splitString(bootClassPath, ':'); 1395 for (int i=0; i<paths.length; i++) { 1396 alreadyDexOpted.add(paths[i]); 1397 } 1398 } else { 1399 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1400 } 1401 1402 boolean didDexOptLibraryOrTool = false; 1403 1404 final List<String> instructionSets = getAllInstructionSets(); 1405 1406 /** 1407 * Ensure all external libraries have had dexopt run on them. 1408 */ 1409 if (mSharedLibraries.size() > 0) { 1410 // NOTE: For now, we're compiling these system "shared libraries" 1411 // (and framework jars) into all available architectures. It's possible 1412 // to compile them only when we come across an app that uses them (there's 1413 // already logic for that in scanPackageLI) but that adds some complexity. 1414 for (String instructionSet : instructionSets) { 1415 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1416 final String lib = libEntry.path; 1417 if (lib == null) { 1418 continue; 1419 } 1420 1421 try { 1422 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1423 alreadyDexOpted.add(lib); 1424 1425 // The list of "shared libraries" we have at this point is 1426 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1427 didDexOptLibraryOrTool = true; 1428 } 1429 } catch (FileNotFoundException e) { 1430 Slog.w(TAG, "Library not found: " + lib); 1431 } catch (IOException e) { 1432 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1433 + e.getMessage()); 1434 } 1435 } 1436 } 1437 } 1438 1439 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1440 1441 // Gross hack for now: we know this file doesn't contain any 1442 // code, so don't dexopt it to avoid the resulting log spew. 1443 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1444 1445 // Gross hack for now: we know this file is only part of 1446 // the boot class path for art, so don't dexopt it to 1447 // avoid the resulting log spew. 1448 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1449 1450 /** 1451 * And there are a number of commands implemented in Java, which 1452 * we currently need to do the dexopt on so that they can be 1453 * run from a non-root shell. 1454 */ 1455 String[] frameworkFiles = frameworkDir.list(); 1456 if (frameworkFiles != null) { 1457 // TODO: We could compile these only for the most preferred ABI. We should 1458 // first double check that the dex files for these commands are not referenced 1459 // by other system apps. 1460 for (String instructionSet : instructionSets) { 1461 for (int i=0; i<frameworkFiles.length; i++) { 1462 File libPath = new File(frameworkDir, frameworkFiles[i]); 1463 String path = libPath.getPath(); 1464 // Skip the file if we already did it. 1465 if (alreadyDexOpted.contains(path)) { 1466 continue; 1467 } 1468 // Skip the file if it is not a type we want to dexopt. 1469 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1470 continue; 1471 } 1472 try { 1473 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1474 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1475 didDexOptLibraryOrTool = true; 1476 } 1477 } catch (FileNotFoundException e) { 1478 Slog.w(TAG, "Jar not found: " + path); 1479 } catch (IOException e) { 1480 Slog.w(TAG, "Exception reading jar: " + path, e); 1481 } 1482 } 1483 } 1484 } 1485 1486 if (didDexOptLibraryOrTool) { 1487 // If we dexopted a library or tool, then something on the system has 1488 // changed. Consider this significant, and wipe away all other 1489 // existing dexopt files to ensure we don't leave any dangling around. 1490 // 1491 // Additionally, delete all dex files from the root directory 1492 // since there shouldn't be any there anyway. 1493 // 1494 // TODO: This should be revisited because it isn't as good an indicator 1495 // as it used to be. It used to include the boot classpath but at some point 1496 // DexFile.isDexOptNeeded started returning false for the boot 1497 // class path files in all cases. It is very possible in a 1498 // small maintenance release update that the library and tool 1499 // jars may be unchanged but APK could be removed resulting in 1500 // unused dalvik-cache files. 1501 mInstaller.pruneDexCache(); 1502 } 1503 1504 // Collect vendor overlay packages. 1505 // (Do this before scanning any apps.) 1506 // For security and version matching reason, only consider 1507 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1508 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1509 mVendorOverlayInstallObserver = new AppDirObserver( 1510 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1511 mVendorOverlayInstallObserver.startWatching(); 1512 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1513 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1514 1515 // Find base frameworks (resource packages without code). 1516 mFrameworkInstallObserver = new AppDirObserver( 1517 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1518 mFrameworkInstallObserver.startWatching(); 1519 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1520 | PackageParser.PARSE_IS_SYSTEM_DIR 1521 | PackageParser.PARSE_IS_PRIVILEGED, 1522 scanMode | SCAN_NO_DEX, 0); 1523 1524 // Collected privileged system packages. 1525 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1526 mPrivilegedInstallObserver = new AppDirObserver( 1527 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1528 mPrivilegedInstallObserver.startWatching(); 1529 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1530 | PackageParser.PARSE_IS_SYSTEM_DIR 1531 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1532 1533 // Collect ordinary system packages. 1534 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1535 mSystemInstallObserver = new AppDirObserver( 1536 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1537 mSystemInstallObserver.startWatching(); 1538 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1539 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1540 1541 // Collect all vendor packages. 1542 File vendorAppDir = new File("/vendor/app"); 1543 try { 1544 vendorAppDir = vendorAppDir.getCanonicalFile(); 1545 } catch (IOException e) { 1546 // failed to look up canonical path, continue with original one 1547 } 1548 mVendorInstallObserver = new AppDirObserver( 1549 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1550 mVendorInstallObserver.startWatching(); 1551 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1552 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1553 1554 // Collect all OEM packages. 1555 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1556 mOemInstallObserver = new AppDirObserver( 1557 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1558 mOemInstallObserver.startWatching(); 1559 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1560 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1561 1562 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1563 mInstaller.moveFiles(); 1564 1565 // Prune any system packages that no longer exist. 1566 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1567 if (!mOnlyCore) { 1568 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1569 while (psit.hasNext()) { 1570 PackageSetting ps = psit.next(); 1571 1572 /* 1573 * If this is not a system app, it can't be a 1574 * disable system app. 1575 */ 1576 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1577 continue; 1578 } 1579 1580 /* 1581 * If the package is scanned, it's not erased. 1582 */ 1583 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1584 if (scannedPkg != null) { 1585 /* 1586 * If the system app is both scanned and in the 1587 * disabled packages list, then it must have been 1588 * added via OTA. Remove it from the currently 1589 * scanned package so the previously user-installed 1590 * application can be scanned. 1591 */ 1592 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1593 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1594 + "; removing system app"); 1595 removePackageLI(ps, true); 1596 } 1597 1598 continue; 1599 } 1600 1601 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1602 psit.remove(); 1603 String msg = "System package " + ps.name 1604 + " no longer exists; wiping its data"; 1605 reportSettingsProblem(Log.WARN, msg); 1606 removeDataDirsLI(ps.name); 1607 } else { 1608 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1609 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1610 possiblyDeletedUpdatedSystemApps.add(ps.name); 1611 } 1612 } 1613 } 1614 } 1615 1616 //look for any incomplete package installations 1617 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1618 //clean up list 1619 for(int i = 0; i < deletePkgsList.size(); i++) { 1620 //clean up here 1621 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1622 } 1623 //delete tmp files 1624 deleteTempPackageFiles(); 1625 1626 // Remove any shared userIDs that have no associated packages 1627 mSettings.pruneSharedUsersLPw(); 1628 1629 if (!mOnlyCore) { 1630 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1631 SystemClock.uptimeMillis()); 1632 mAppInstallObserver = new AppDirObserver( 1633 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1634 mAppInstallObserver.startWatching(); 1635 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1636 1637 mDrmAppInstallObserver = new AppDirObserver( 1638 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1639 mDrmAppInstallObserver.startWatching(); 1640 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1641 scanMode, 0); 1642 1643 /** 1644 * Remove disable package settings for any updated system 1645 * apps that were removed via an OTA. If they're not a 1646 * previously-updated app, remove them completely. 1647 * Otherwise, just revoke their system-level permissions. 1648 */ 1649 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1650 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1651 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1652 1653 String msg; 1654 if (deletedPkg == null) { 1655 msg = "Updated system package " + deletedAppName 1656 + " no longer exists; wiping its data"; 1657 removeDataDirsLI(deletedAppName); 1658 } else { 1659 msg = "Updated system app + " + deletedAppName 1660 + " no longer present; removing system privileges for " 1661 + deletedAppName; 1662 1663 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1664 1665 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1666 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1667 } 1668 reportSettingsProblem(Log.WARN, msg); 1669 } 1670 } else { 1671 mAppInstallObserver = null; 1672 mDrmAppInstallObserver = null; 1673 } 1674 1675 // Now that we know all of the shared libraries, update all clients to have 1676 // the correct library paths. 1677 updateAllSharedLibrariesLPw(); 1678 1679 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1680 // NOTE: We ignore potential failures here during a system scan (like 1681 // the rest of the commands above) because there's precious little we 1682 // can do about it. A settings error is reported, though. 1683 adjustCpuAbisForSharedUserLPw(setting.packages, null, 1684 false /* force dexopt */, false /* defer dexopt */); 1685 } 1686 1687 // Now that we know all the packages we are keeping, 1688 // read and update their last usage times. 1689 mPackageUsage.readLP(); 1690 1691 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1692 SystemClock.uptimeMillis()); 1693 Slog.i(TAG, "Time to scan packages: " 1694 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1695 + " seconds"); 1696 1697 // If the platform SDK has changed since the last time we booted, 1698 // we need to re-grant app permission to catch any new ones that 1699 // appear. This is really a hack, and means that apps can in some 1700 // cases get permissions that the user didn't initially explicitly 1701 // allow... it would be nice to have some better way to handle 1702 // this situation. 1703 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1704 != mSdkVersion; 1705 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1706 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1707 + "; regranting permissions for internal storage"); 1708 mSettings.mInternalSdkPlatform = mSdkVersion; 1709 1710 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1711 | (regrantPermissions 1712 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1713 : 0)); 1714 1715 // If this is the first boot, and it is a normal boot, then 1716 // we need to initialize the default preferred apps. 1717 if (!mRestoredSettings && !onlyCore) { 1718 mSettings.readDefaultPreferredAppsLPw(this, 0); 1719 } 1720 1721 // All the changes are done during package scanning. 1722 mSettings.updateInternalDatabaseVersion(); 1723 1724 // can downgrade to reader 1725 mSettings.writeLPr(); 1726 1727 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1728 SystemClock.uptimeMillis()); 1729 1730 1731 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1732 } // synchronized (mPackages) 1733 } // synchronized (mInstallLock) 1734 1735 mInstallerService = new PackageInstallerService(context, this, mAppStagingDir); 1736 1737 // Now after opening every single application zip, make sure they 1738 // are all flushed. Not really needed, but keeps things nice and 1739 // tidy. 1740 Runtime.getRuntime().gc(); 1741 } 1742 1743 @Override 1744 public boolean isFirstBoot() { 1745 return !mRestoredSettings || mPackageUsage.isFirstBoot(); 1746 } 1747 1748 @Override 1749 public boolean isOnlyCoreApps() { 1750 return mOnlyCore; 1751 } 1752 1753 private String getRequiredVerifierLPr() { 1754 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1755 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1756 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1757 1758 String requiredVerifier = null; 1759 1760 final int N = receivers.size(); 1761 for (int i = 0; i < N; i++) { 1762 final ResolveInfo info = receivers.get(i); 1763 1764 if (info.activityInfo == null) { 1765 continue; 1766 } 1767 1768 final String packageName = info.activityInfo.packageName; 1769 1770 final PackageSetting ps = mSettings.mPackages.get(packageName); 1771 if (ps == null) { 1772 continue; 1773 } 1774 1775 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1776 if (!gp.grantedPermissions 1777 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1778 continue; 1779 } 1780 1781 if (requiredVerifier != null) { 1782 throw new RuntimeException("There can be only one required verifier"); 1783 } 1784 1785 requiredVerifier = packageName; 1786 } 1787 1788 return requiredVerifier; 1789 } 1790 1791 @Override 1792 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1793 throws RemoteException { 1794 try { 1795 return super.onTransact(code, data, reply, flags); 1796 } catch (RuntimeException e) { 1797 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1798 Slog.wtf(TAG, "Package Manager Crash", e); 1799 } 1800 throw e; 1801 } 1802 } 1803 1804 void cleanupInstallFailedPackage(PackageSetting ps) { 1805 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1806 removeDataDirsLI(ps.name); 1807 if (ps.codePath != null) { 1808 if (!ps.codePath.delete()) { 1809 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1810 } 1811 } 1812 if (ps.resourcePath != null) { 1813 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1814 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1815 } 1816 } 1817 mSettings.removePackageLPw(ps.name); 1818 } 1819 1820 void readPermissions(File libraryDir, boolean onlyFeatures) { 1821 // Read permissions from .../etc/permission directory. 1822 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1823 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1824 return; 1825 } 1826 if (!libraryDir.canRead()) { 1827 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1828 return; 1829 } 1830 1831 // Iterate over the files in the directory and scan .xml files 1832 for (File f : libraryDir.listFiles()) { 1833 // We'll read platform.xml last 1834 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1835 continue; 1836 } 1837 1838 if (!f.getPath().endsWith(".xml")) { 1839 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1840 continue; 1841 } 1842 if (!f.canRead()) { 1843 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1844 continue; 1845 } 1846 1847 readPermissionsFromXml(f, onlyFeatures); 1848 } 1849 1850 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1851 final File permFile = new File(Environment.getRootDirectory(), 1852 "etc/permissions/platform.xml"); 1853 readPermissionsFromXml(permFile, onlyFeatures); 1854 } 1855 1856 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1857 FileReader permReader = null; 1858 try { 1859 permReader = new FileReader(permFile); 1860 } catch (FileNotFoundException e) { 1861 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1862 return; 1863 } 1864 1865 try { 1866 XmlPullParser parser = Xml.newPullParser(); 1867 parser.setInput(permReader); 1868 1869 XmlUtils.beginDocument(parser, "permissions"); 1870 1871 while (true) { 1872 XmlUtils.nextElement(parser); 1873 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1874 break; 1875 } 1876 1877 String name = parser.getName(); 1878 if ("group".equals(name) && !onlyFeatures) { 1879 String gidStr = parser.getAttributeValue(null, "gid"); 1880 if (gidStr != null) { 1881 int gid = Process.getGidForName(gidStr); 1882 mGlobalGids = appendInt(mGlobalGids, gid); 1883 } else { 1884 Slog.w(TAG, "<group> without gid at " 1885 + parser.getPositionDescription()); 1886 } 1887 1888 XmlUtils.skipCurrentTag(parser); 1889 continue; 1890 } else if ("permission".equals(name) && !onlyFeatures) { 1891 String perm = parser.getAttributeValue(null, "name"); 1892 if (perm == null) { 1893 Slog.w(TAG, "<permission> without name at " 1894 + parser.getPositionDescription()); 1895 XmlUtils.skipCurrentTag(parser); 1896 continue; 1897 } 1898 perm = perm.intern(); 1899 readPermission(parser, perm); 1900 1901 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1902 String perm = parser.getAttributeValue(null, "name"); 1903 if (perm == null) { 1904 Slog.w(TAG, "<assign-permission> without name at " 1905 + parser.getPositionDescription()); 1906 XmlUtils.skipCurrentTag(parser); 1907 continue; 1908 } 1909 String uidStr = parser.getAttributeValue(null, "uid"); 1910 if (uidStr == null) { 1911 Slog.w(TAG, "<assign-permission> without uid at " 1912 + parser.getPositionDescription()); 1913 XmlUtils.skipCurrentTag(parser); 1914 continue; 1915 } 1916 int uid = Process.getUidForName(uidStr); 1917 if (uid < 0) { 1918 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1919 + uidStr + "\" at " 1920 + parser.getPositionDescription()); 1921 XmlUtils.skipCurrentTag(parser); 1922 continue; 1923 } 1924 perm = perm.intern(); 1925 HashSet<String> perms = mSystemPermissions.get(uid); 1926 if (perms == null) { 1927 perms = new HashSet<String>(); 1928 mSystemPermissions.put(uid, perms); 1929 } 1930 perms.add(perm); 1931 XmlUtils.skipCurrentTag(parser); 1932 1933 } else if ("library".equals(name) && !onlyFeatures) { 1934 String lname = parser.getAttributeValue(null, "name"); 1935 String lfile = parser.getAttributeValue(null, "file"); 1936 if (lname == null) { 1937 Slog.w(TAG, "<library> without name at " 1938 + parser.getPositionDescription()); 1939 } else if (lfile == null) { 1940 Slog.w(TAG, "<library> without file at " 1941 + parser.getPositionDescription()); 1942 } else { 1943 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1944 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1945 } 1946 XmlUtils.skipCurrentTag(parser); 1947 continue; 1948 1949 } else if ("feature".equals(name)) { 1950 String fname = parser.getAttributeValue(null, "name"); 1951 if (fname == null) { 1952 Slog.w(TAG, "<feature> without name at " 1953 + parser.getPositionDescription()); 1954 } else { 1955 //Log.i(TAG, "Got feature " + fname); 1956 FeatureInfo fi = new FeatureInfo(); 1957 fi.name = fname; 1958 mAvailableFeatures.put(fname, fi); 1959 } 1960 XmlUtils.skipCurrentTag(parser); 1961 continue; 1962 1963 } else { 1964 XmlUtils.skipCurrentTag(parser); 1965 continue; 1966 } 1967 1968 } 1969 permReader.close(); 1970 } catch (XmlPullParserException e) { 1971 Slog.w(TAG, "Got execption parsing permissions.", e); 1972 } catch (IOException e) { 1973 Slog.w(TAG, "Got execption parsing permissions.", e); 1974 } 1975 } 1976 1977 void readPermission(XmlPullParser parser, String name) 1978 throws IOException, XmlPullParserException { 1979 1980 name = name.intern(); 1981 1982 BasePermission bp = mSettings.mPermissions.get(name); 1983 if (bp == null) { 1984 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1985 mSettings.mPermissions.put(name, bp); 1986 } 1987 int outerDepth = parser.getDepth(); 1988 int type; 1989 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1990 && (type != XmlPullParser.END_TAG 1991 || parser.getDepth() > outerDepth)) { 1992 if (type == XmlPullParser.END_TAG 1993 || type == XmlPullParser.TEXT) { 1994 continue; 1995 } 1996 1997 String tagName = parser.getName(); 1998 if ("group".equals(tagName)) { 1999 String gidStr = parser.getAttributeValue(null, "gid"); 2000 if (gidStr != null) { 2001 int gid = Process.getGidForName(gidStr); 2002 bp.gids = appendInt(bp.gids, gid); 2003 } else { 2004 Slog.w(TAG, "<group> without gid at " 2005 + parser.getPositionDescription()); 2006 } 2007 } 2008 XmlUtils.skipCurrentTag(parser); 2009 } 2010 } 2011 2012 static int[] appendInts(int[] cur, int[] add) { 2013 if (add == null) return cur; 2014 if (cur == null) return add; 2015 final int N = add.length; 2016 for (int i=0; i<N; i++) { 2017 cur = appendInt(cur, add[i]); 2018 } 2019 return cur; 2020 } 2021 2022 static int[] removeInts(int[] cur, int[] rem) { 2023 if (rem == null) return cur; 2024 if (cur == null) return cur; 2025 final int N = rem.length; 2026 for (int i=0; i<N; i++) { 2027 cur = removeInt(cur, rem[i]); 2028 } 2029 return cur; 2030 } 2031 2032 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2033 if (!sUserManager.exists(userId)) return null; 2034 final PackageSetting ps = (PackageSetting) p.mExtras; 2035 if (ps == null) { 2036 return null; 2037 } 2038 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2039 final PackageUserState state = ps.readUserState(userId); 2040 return PackageParser.generatePackageInfo(p, gp.gids, flags, 2041 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 2042 state, userId); 2043 } 2044 2045 @Override 2046 public boolean isPackageAvailable(String packageName, int userId) { 2047 if (!sUserManager.exists(userId)) return false; 2048 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 2049 synchronized (mPackages) { 2050 PackageParser.Package p = mPackages.get(packageName); 2051 if (p != null) { 2052 final PackageSetting ps = (PackageSetting) p.mExtras; 2053 if (ps != null) { 2054 final PackageUserState state = ps.readUserState(userId); 2055 if (state != null) { 2056 return PackageParser.isAvailable(state); 2057 } 2058 } 2059 } 2060 } 2061 return false; 2062 } 2063 2064 @Override 2065 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2066 if (!sUserManager.exists(userId)) return null; 2067 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 2068 // reader 2069 synchronized (mPackages) { 2070 PackageParser.Package p = mPackages.get(packageName); 2071 if (DEBUG_PACKAGE_INFO) 2072 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2073 if (p != null) { 2074 return generatePackageInfo(p, flags, userId); 2075 } 2076 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2077 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2078 } 2079 } 2080 return null; 2081 } 2082 2083 @Override 2084 public String[] currentToCanonicalPackageNames(String[] names) { 2085 String[] out = new String[names.length]; 2086 // reader 2087 synchronized (mPackages) { 2088 for (int i=names.length-1; i>=0; i--) { 2089 PackageSetting ps = mSettings.mPackages.get(names[i]); 2090 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2091 } 2092 } 2093 return out; 2094 } 2095 2096 @Override 2097 public String[] canonicalToCurrentPackageNames(String[] names) { 2098 String[] out = new String[names.length]; 2099 // reader 2100 synchronized (mPackages) { 2101 for (int i=names.length-1; i>=0; i--) { 2102 String cur = mSettings.mRenamedPackages.get(names[i]); 2103 out[i] = cur != null ? cur : names[i]; 2104 } 2105 } 2106 return out; 2107 } 2108 2109 @Override 2110 public int getPackageUid(String packageName, int userId) { 2111 if (!sUserManager.exists(userId)) return -1; 2112 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2113 // reader 2114 synchronized (mPackages) { 2115 PackageParser.Package p = mPackages.get(packageName); 2116 if(p != null) { 2117 return UserHandle.getUid(userId, p.applicationInfo.uid); 2118 } 2119 PackageSetting ps = mSettings.mPackages.get(packageName); 2120 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2121 return -1; 2122 } 2123 p = ps.pkg; 2124 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2125 } 2126 } 2127 2128 @Override 2129 public int[] getPackageGids(String packageName) { 2130 // reader 2131 synchronized (mPackages) { 2132 PackageParser.Package p = mPackages.get(packageName); 2133 if (DEBUG_PACKAGE_INFO) 2134 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2135 if (p != null) { 2136 final PackageSetting ps = (PackageSetting)p.mExtras; 2137 return ps.getGids(); 2138 } 2139 } 2140 // stupid thing to indicate an error. 2141 return new int[0]; 2142 } 2143 2144 static final PermissionInfo generatePermissionInfo( 2145 BasePermission bp, int flags) { 2146 if (bp.perm != null) { 2147 return PackageParser.generatePermissionInfo(bp.perm, flags); 2148 } 2149 PermissionInfo pi = new PermissionInfo(); 2150 pi.name = bp.name; 2151 pi.packageName = bp.sourcePackage; 2152 pi.nonLocalizedLabel = bp.name; 2153 pi.protectionLevel = bp.protectionLevel; 2154 return pi; 2155 } 2156 2157 @Override 2158 public PermissionInfo getPermissionInfo(String name, int flags) { 2159 // reader 2160 synchronized (mPackages) { 2161 final BasePermission p = mSettings.mPermissions.get(name); 2162 if (p != null) { 2163 return generatePermissionInfo(p, flags); 2164 } 2165 return null; 2166 } 2167 } 2168 2169 @Override 2170 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2171 // reader 2172 synchronized (mPackages) { 2173 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2174 for (BasePermission p : mSettings.mPermissions.values()) { 2175 if (group == null) { 2176 if (p.perm == null || p.perm.info.group == null) { 2177 out.add(generatePermissionInfo(p, flags)); 2178 } 2179 } else { 2180 if (p.perm != null && group.equals(p.perm.info.group)) { 2181 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2182 } 2183 } 2184 } 2185 2186 if (out.size() > 0) { 2187 return out; 2188 } 2189 return mPermissionGroups.containsKey(group) ? out : null; 2190 } 2191 } 2192 2193 @Override 2194 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2195 // reader 2196 synchronized (mPackages) { 2197 return PackageParser.generatePermissionGroupInfo( 2198 mPermissionGroups.get(name), flags); 2199 } 2200 } 2201 2202 @Override 2203 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2204 // reader 2205 synchronized (mPackages) { 2206 final int N = mPermissionGroups.size(); 2207 ArrayList<PermissionGroupInfo> out 2208 = new ArrayList<PermissionGroupInfo>(N); 2209 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2210 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2211 } 2212 return out; 2213 } 2214 } 2215 2216 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2217 int userId) { 2218 if (!sUserManager.exists(userId)) return null; 2219 PackageSetting ps = mSettings.mPackages.get(packageName); 2220 if (ps != null) { 2221 if (ps.pkg == null) { 2222 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2223 flags, userId); 2224 if (pInfo != null) { 2225 return pInfo.applicationInfo; 2226 } 2227 return null; 2228 } 2229 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2230 ps.readUserState(userId), userId); 2231 } 2232 return null; 2233 } 2234 2235 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2236 int userId) { 2237 if (!sUserManager.exists(userId)) return null; 2238 PackageSetting ps = mSettings.mPackages.get(packageName); 2239 if (ps != null) { 2240 PackageParser.Package pkg = ps.pkg; 2241 if (pkg == null) { 2242 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2243 return null; 2244 } 2245 pkg = new PackageParser.Package(packageName); 2246 pkg.applicationInfo.packageName = packageName; 2247 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2248 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2249 pkg.applicationInfo.sourceDir = ps.codePathString; 2250 pkg.applicationInfo.dataDir = 2251 getDataPathForPackage(packageName, 0).getPath(); 2252 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2253 pkg.applicationInfo.cpuAbi = ps.cpuAbiString; 2254 } 2255 return generatePackageInfo(pkg, flags, userId); 2256 } 2257 return null; 2258 } 2259 2260 @Override 2261 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2262 if (!sUserManager.exists(userId)) return null; 2263 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2264 // writer 2265 synchronized (mPackages) { 2266 PackageParser.Package p = mPackages.get(packageName); 2267 if (DEBUG_PACKAGE_INFO) Log.v( 2268 TAG, "getApplicationInfo " + packageName 2269 + ": " + p); 2270 if (p != null) { 2271 PackageSetting ps = mSettings.mPackages.get(packageName); 2272 if (ps == null) return null; 2273 // Note: isEnabledLP() does not apply here - always return info 2274 return PackageParser.generateApplicationInfo( 2275 p, flags, ps.readUserState(userId), userId); 2276 } 2277 if ("android".equals(packageName)||"system".equals(packageName)) { 2278 return mAndroidApplication; 2279 } 2280 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2281 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2282 } 2283 } 2284 return null; 2285 } 2286 2287 2288 @Override 2289 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2290 mContext.enforceCallingOrSelfPermission( 2291 android.Manifest.permission.CLEAR_APP_CACHE, null); 2292 // Queue up an async operation since clearing cache may take a little while. 2293 mHandler.post(new Runnable() { 2294 public void run() { 2295 mHandler.removeCallbacks(this); 2296 int retCode = -1; 2297 synchronized (mInstallLock) { 2298 retCode = mInstaller.freeCache(freeStorageSize); 2299 if (retCode < 0) { 2300 Slog.w(TAG, "Couldn't clear application caches"); 2301 } 2302 } 2303 if (observer != null) { 2304 try { 2305 observer.onRemoveCompleted(null, (retCode >= 0)); 2306 } catch (RemoteException e) { 2307 Slog.w(TAG, "RemoveException when invoking call back"); 2308 } 2309 } 2310 } 2311 }); 2312 } 2313 2314 @Override 2315 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2316 mContext.enforceCallingOrSelfPermission( 2317 android.Manifest.permission.CLEAR_APP_CACHE, null); 2318 // Queue up an async operation since clearing cache may take a little while. 2319 mHandler.post(new Runnable() { 2320 public void run() { 2321 mHandler.removeCallbacks(this); 2322 int retCode = -1; 2323 synchronized (mInstallLock) { 2324 retCode = mInstaller.freeCache(freeStorageSize); 2325 if (retCode < 0) { 2326 Slog.w(TAG, "Couldn't clear application caches"); 2327 } 2328 } 2329 if(pi != null) { 2330 try { 2331 // Callback via pending intent 2332 int code = (retCode >= 0) ? 1 : 0; 2333 pi.sendIntent(null, code, null, 2334 null, null); 2335 } catch (SendIntentException e1) { 2336 Slog.i(TAG, "Failed to send pending intent"); 2337 } 2338 } 2339 } 2340 }); 2341 } 2342 2343 void freeStorage(long freeStorageSize) throws IOException { 2344 synchronized (mInstallLock) { 2345 if (mInstaller.freeCache(freeStorageSize) < 0) { 2346 throw new IOException("Failed to free enough space"); 2347 } 2348 } 2349 } 2350 2351 @Override 2352 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2353 if (!sUserManager.exists(userId)) return null; 2354 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2355 synchronized (mPackages) { 2356 PackageParser.Activity a = mActivities.mActivities.get(component); 2357 2358 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2359 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2360 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2361 if (ps == null) return null; 2362 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2363 userId); 2364 } 2365 if (mResolveComponentName.equals(component)) { 2366 return mResolveActivity; 2367 } 2368 } 2369 return null; 2370 } 2371 2372 @Override 2373 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2374 String resolvedType) { 2375 synchronized (mPackages) { 2376 PackageParser.Activity a = mActivities.mActivities.get(component); 2377 if (a == null) { 2378 return false; 2379 } 2380 for (int i=0; i<a.intents.size(); i++) { 2381 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2382 intent.getData(), intent.getCategories(), TAG) >= 0) { 2383 return true; 2384 } 2385 } 2386 return false; 2387 } 2388 } 2389 2390 @Override 2391 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2392 if (!sUserManager.exists(userId)) return null; 2393 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2394 synchronized (mPackages) { 2395 PackageParser.Activity a = mReceivers.mActivities.get(component); 2396 if (DEBUG_PACKAGE_INFO) Log.v( 2397 TAG, "getReceiverInfo " + component + ": " + a); 2398 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2399 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2400 if (ps == null) return null; 2401 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2402 userId); 2403 } 2404 } 2405 return null; 2406 } 2407 2408 @Override 2409 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2410 if (!sUserManager.exists(userId)) return null; 2411 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2412 synchronized (mPackages) { 2413 PackageParser.Service s = mServices.mServices.get(component); 2414 if (DEBUG_PACKAGE_INFO) Log.v( 2415 TAG, "getServiceInfo " + component + ": " + s); 2416 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2417 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2418 if (ps == null) return null; 2419 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2420 userId); 2421 } 2422 } 2423 return null; 2424 } 2425 2426 @Override 2427 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2428 if (!sUserManager.exists(userId)) return null; 2429 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2430 synchronized (mPackages) { 2431 PackageParser.Provider p = mProviders.mProviders.get(component); 2432 if (DEBUG_PACKAGE_INFO) Log.v( 2433 TAG, "getProviderInfo " + component + ": " + p); 2434 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2435 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2436 if (ps == null) return null; 2437 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2438 userId); 2439 } 2440 } 2441 return null; 2442 } 2443 2444 @Override 2445 public String[] getSystemSharedLibraryNames() { 2446 Set<String> libSet; 2447 synchronized (mPackages) { 2448 libSet = mSharedLibraries.keySet(); 2449 int size = libSet.size(); 2450 if (size > 0) { 2451 String[] libs = new String[size]; 2452 libSet.toArray(libs); 2453 return libs; 2454 } 2455 } 2456 return null; 2457 } 2458 2459 @Override 2460 public FeatureInfo[] getSystemAvailableFeatures() { 2461 Collection<FeatureInfo> featSet; 2462 synchronized (mPackages) { 2463 featSet = mAvailableFeatures.values(); 2464 int size = featSet.size(); 2465 if (size > 0) { 2466 FeatureInfo[] features = new FeatureInfo[size+1]; 2467 featSet.toArray(features); 2468 FeatureInfo fi = new FeatureInfo(); 2469 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2470 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2471 features[size] = fi; 2472 return features; 2473 } 2474 } 2475 return null; 2476 } 2477 2478 @Override 2479 public boolean hasSystemFeature(String name) { 2480 synchronized (mPackages) { 2481 return mAvailableFeatures.containsKey(name); 2482 } 2483 } 2484 2485 private void checkValidCaller(int uid, int userId) { 2486 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2487 return; 2488 2489 throw new SecurityException("Caller uid=" + uid 2490 + " is not privileged to communicate with user=" + userId); 2491 } 2492 2493 @Override 2494 public int checkPermission(String permName, String pkgName) { 2495 synchronized (mPackages) { 2496 PackageParser.Package p = mPackages.get(pkgName); 2497 if (p != null && p.mExtras != null) { 2498 PackageSetting ps = (PackageSetting)p.mExtras; 2499 if (ps.sharedUser != null) { 2500 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2501 return PackageManager.PERMISSION_GRANTED; 2502 } 2503 } else if (ps.grantedPermissions.contains(permName)) { 2504 return PackageManager.PERMISSION_GRANTED; 2505 } 2506 } 2507 } 2508 return PackageManager.PERMISSION_DENIED; 2509 } 2510 2511 @Override 2512 public int checkUidPermission(String permName, int uid) { 2513 synchronized (mPackages) { 2514 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2515 if (obj != null) { 2516 GrantedPermissions gp = (GrantedPermissions)obj; 2517 if (gp.grantedPermissions.contains(permName)) { 2518 return PackageManager.PERMISSION_GRANTED; 2519 } 2520 } else { 2521 HashSet<String> perms = mSystemPermissions.get(uid); 2522 if (perms != null && perms.contains(permName)) { 2523 return PackageManager.PERMISSION_GRANTED; 2524 } 2525 } 2526 } 2527 return PackageManager.PERMISSION_DENIED; 2528 } 2529 2530 /** 2531 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2532 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2533 * @param message the message to log on security exception 2534 */ 2535 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2536 String message) { 2537 if (userId < 0) { 2538 throw new IllegalArgumentException("Invalid userId " + userId); 2539 } 2540 if (userId == UserHandle.getUserId(callingUid)) return; 2541 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2542 if (requireFullPermission) { 2543 mContext.enforceCallingOrSelfPermission( 2544 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2545 } else { 2546 try { 2547 mContext.enforceCallingOrSelfPermission( 2548 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2549 } catch (SecurityException se) { 2550 mContext.enforceCallingOrSelfPermission( 2551 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2552 } 2553 } 2554 } 2555 } 2556 2557 private BasePermission findPermissionTreeLP(String permName) { 2558 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2559 if (permName.startsWith(bp.name) && 2560 permName.length() > bp.name.length() && 2561 permName.charAt(bp.name.length()) == '.') { 2562 return bp; 2563 } 2564 } 2565 return null; 2566 } 2567 2568 private BasePermission checkPermissionTreeLP(String permName) { 2569 if (permName != null) { 2570 BasePermission bp = findPermissionTreeLP(permName); 2571 if (bp != null) { 2572 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2573 return bp; 2574 } 2575 throw new SecurityException("Calling uid " 2576 + Binder.getCallingUid() 2577 + " is not allowed to add to permission tree " 2578 + bp.name + " owned by uid " + bp.uid); 2579 } 2580 } 2581 throw new SecurityException("No permission tree found for " + permName); 2582 } 2583 2584 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2585 if (s1 == null) { 2586 return s2 == null; 2587 } 2588 if (s2 == null) { 2589 return false; 2590 } 2591 if (s1.getClass() != s2.getClass()) { 2592 return false; 2593 } 2594 return s1.equals(s2); 2595 } 2596 2597 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2598 if (pi1.icon != pi2.icon) return false; 2599 if (pi1.logo != pi2.logo) return false; 2600 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2601 if (!compareStrings(pi1.name, pi2.name)) return false; 2602 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2603 // We'll take care of setting this one. 2604 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2605 // These are not currently stored in settings. 2606 //if (!compareStrings(pi1.group, pi2.group)) return false; 2607 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2608 //if (pi1.labelRes != pi2.labelRes) return false; 2609 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2610 return true; 2611 } 2612 2613 int permissionInfoFootprint(PermissionInfo info) { 2614 int size = info.name.length(); 2615 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2616 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2617 return size; 2618 } 2619 2620 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2621 int size = 0; 2622 for (BasePermission perm : mSettings.mPermissions.values()) { 2623 if (perm.uid == tree.uid) { 2624 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2625 } 2626 } 2627 return size; 2628 } 2629 2630 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2631 // We calculate the max size of permissions defined by this uid and throw 2632 // if that plus the size of 'info' would exceed our stated maximum. 2633 if (tree.uid != Process.SYSTEM_UID) { 2634 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2635 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2636 throw new SecurityException("Permission tree size cap exceeded"); 2637 } 2638 } 2639 } 2640 2641 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2642 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2643 throw new SecurityException("Label must be specified in permission"); 2644 } 2645 BasePermission tree = checkPermissionTreeLP(info.name); 2646 BasePermission bp = mSettings.mPermissions.get(info.name); 2647 boolean added = bp == null; 2648 boolean changed = true; 2649 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2650 if (added) { 2651 enforcePermissionCapLocked(info, tree); 2652 bp = new BasePermission(info.name, tree.sourcePackage, 2653 BasePermission.TYPE_DYNAMIC); 2654 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2655 throw new SecurityException( 2656 "Not allowed to modify non-dynamic permission " 2657 + info.name); 2658 } else { 2659 if (bp.protectionLevel == fixedLevel 2660 && bp.perm.owner.equals(tree.perm.owner) 2661 && bp.uid == tree.uid 2662 && comparePermissionInfos(bp.perm.info, info)) { 2663 changed = false; 2664 } 2665 } 2666 bp.protectionLevel = fixedLevel; 2667 info = new PermissionInfo(info); 2668 info.protectionLevel = fixedLevel; 2669 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2670 bp.perm.info.packageName = tree.perm.info.packageName; 2671 bp.uid = tree.uid; 2672 if (added) { 2673 mSettings.mPermissions.put(info.name, bp); 2674 } 2675 if (changed) { 2676 if (!async) { 2677 mSettings.writeLPr(); 2678 } else { 2679 scheduleWriteSettingsLocked(); 2680 } 2681 } 2682 return added; 2683 } 2684 2685 @Override 2686 public boolean addPermission(PermissionInfo info) { 2687 synchronized (mPackages) { 2688 return addPermissionLocked(info, false); 2689 } 2690 } 2691 2692 @Override 2693 public boolean addPermissionAsync(PermissionInfo info) { 2694 synchronized (mPackages) { 2695 return addPermissionLocked(info, true); 2696 } 2697 } 2698 2699 @Override 2700 public void removePermission(String name) { 2701 synchronized (mPackages) { 2702 checkPermissionTreeLP(name); 2703 BasePermission bp = mSettings.mPermissions.get(name); 2704 if (bp != null) { 2705 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2706 throw new SecurityException( 2707 "Not allowed to modify non-dynamic permission " 2708 + name); 2709 } 2710 mSettings.mPermissions.remove(name); 2711 mSettings.writeLPr(); 2712 } 2713 } 2714 } 2715 2716 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2717 int index = pkg.requestedPermissions.indexOf(bp.name); 2718 if (index == -1) { 2719 throw new SecurityException("Package " + pkg.packageName 2720 + " has not requested permission " + bp.name); 2721 } 2722 boolean isNormal = 2723 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2724 == PermissionInfo.PROTECTION_NORMAL); 2725 boolean isDangerous = 2726 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2727 == PermissionInfo.PROTECTION_DANGEROUS); 2728 boolean isDevelopment = 2729 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2730 2731 if (!isNormal && !isDangerous && !isDevelopment) { 2732 throw new SecurityException("Permission " + bp.name 2733 + " is not a changeable permission type"); 2734 } 2735 2736 if (isNormal || isDangerous) { 2737 if (pkg.requestedPermissionsRequired.get(index)) { 2738 throw new SecurityException("Can't change " + bp.name 2739 + ". It is required by the application"); 2740 } 2741 } 2742 } 2743 2744 @Override 2745 public void grantPermission(String packageName, String permissionName) { 2746 mContext.enforceCallingOrSelfPermission( 2747 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2748 synchronized (mPackages) { 2749 final PackageParser.Package pkg = mPackages.get(packageName); 2750 if (pkg == null) { 2751 throw new IllegalArgumentException("Unknown package: " + packageName); 2752 } 2753 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2754 if (bp == null) { 2755 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2756 } 2757 2758 checkGrantRevokePermissions(pkg, bp); 2759 2760 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2761 if (ps == null) { 2762 return; 2763 } 2764 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2765 if (gp.grantedPermissions.add(permissionName)) { 2766 if (ps.haveGids) { 2767 gp.gids = appendInts(gp.gids, bp.gids); 2768 } 2769 mSettings.writeLPr(); 2770 } 2771 } 2772 } 2773 2774 @Override 2775 public void revokePermission(String packageName, String permissionName) { 2776 int changedAppId = -1; 2777 2778 synchronized (mPackages) { 2779 final PackageParser.Package pkg = mPackages.get(packageName); 2780 if (pkg == null) { 2781 throw new IllegalArgumentException("Unknown package: " + packageName); 2782 } 2783 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2784 mContext.enforceCallingOrSelfPermission( 2785 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2786 } 2787 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2788 if (bp == null) { 2789 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2790 } 2791 2792 checkGrantRevokePermissions(pkg, bp); 2793 2794 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2795 if (ps == null) { 2796 return; 2797 } 2798 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2799 if (gp.grantedPermissions.remove(permissionName)) { 2800 gp.grantedPermissions.remove(permissionName); 2801 if (ps.haveGids) { 2802 gp.gids = removeInts(gp.gids, bp.gids); 2803 } 2804 mSettings.writeLPr(); 2805 changedAppId = ps.appId; 2806 } 2807 } 2808 2809 if (changedAppId >= 0) { 2810 // We changed the perm on someone, kill its processes. 2811 IActivityManager am = ActivityManagerNative.getDefault(); 2812 if (am != null) { 2813 final int callingUserId = UserHandle.getCallingUserId(); 2814 final long ident = Binder.clearCallingIdentity(); 2815 try { 2816 //XXX we should only revoke for the calling user's app permissions, 2817 // but for now we impact all users. 2818 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2819 // "revoke " + permissionName); 2820 int[] users = sUserManager.getUserIds(); 2821 for (int user : users) { 2822 am.killUid(UserHandle.getUid(user, changedAppId), 2823 "revoke " + permissionName); 2824 } 2825 } catch (RemoteException e) { 2826 } finally { 2827 Binder.restoreCallingIdentity(ident); 2828 } 2829 } 2830 } 2831 } 2832 2833 @Override 2834 public boolean isProtectedBroadcast(String actionName) { 2835 synchronized (mPackages) { 2836 return mProtectedBroadcasts.contains(actionName); 2837 } 2838 } 2839 2840 @Override 2841 public int checkSignatures(String pkg1, String pkg2) { 2842 synchronized (mPackages) { 2843 final PackageParser.Package p1 = mPackages.get(pkg1); 2844 final PackageParser.Package p2 = mPackages.get(pkg2); 2845 if (p1 == null || p1.mExtras == null 2846 || p2 == null || p2.mExtras == null) { 2847 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2848 } 2849 return compareSignatures(p1.mSignatures, p2.mSignatures); 2850 } 2851 } 2852 2853 @Override 2854 public int checkUidSignatures(int uid1, int uid2) { 2855 // Map to base uids. 2856 uid1 = UserHandle.getAppId(uid1); 2857 uid2 = UserHandle.getAppId(uid2); 2858 // reader 2859 synchronized (mPackages) { 2860 Signature[] s1; 2861 Signature[] s2; 2862 Object obj = mSettings.getUserIdLPr(uid1); 2863 if (obj != null) { 2864 if (obj instanceof SharedUserSetting) { 2865 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2866 } else if (obj instanceof PackageSetting) { 2867 s1 = ((PackageSetting)obj).signatures.mSignatures; 2868 } else { 2869 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2870 } 2871 } else { 2872 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2873 } 2874 obj = mSettings.getUserIdLPr(uid2); 2875 if (obj != null) { 2876 if (obj instanceof SharedUserSetting) { 2877 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2878 } else if (obj instanceof PackageSetting) { 2879 s2 = ((PackageSetting)obj).signatures.mSignatures; 2880 } else { 2881 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2882 } 2883 } else { 2884 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2885 } 2886 return compareSignatures(s1, s2); 2887 } 2888 } 2889 2890 /** 2891 * Compares two sets of signatures. Returns: 2892 * <br /> 2893 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2894 * <br /> 2895 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2896 * <br /> 2897 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2898 * <br /> 2899 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2900 * <br /> 2901 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2902 */ 2903 static int compareSignatures(Signature[] s1, Signature[] s2) { 2904 if (s1 == null) { 2905 return s2 == null 2906 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2907 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2908 } 2909 2910 if (s2 == null) { 2911 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2912 } 2913 2914 if (s1.length != s2.length) { 2915 return PackageManager.SIGNATURE_NO_MATCH; 2916 } 2917 2918 // Since both signature sets are of size 1, we can compare without HashSets. 2919 if (s1.length == 1) { 2920 return s1[0].equals(s2[0]) ? 2921 PackageManager.SIGNATURE_MATCH : 2922 PackageManager.SIGNATURE_NO_MATCH; 2923 } 2924 2925 HashSet<Signature> set1 = new HashSet<Signature>(); 2926 for (Signature sig : s1) { 2927 set1.add(sig); 2928 } 2929 HashSet<Signature> set2 = new HashSet<Signature>(); 2930 for (Signature sig : s2) { 2931 set2.add(sig); 2932 } 2933 // Make sure s2 contains all signatures in s1. 2934 if (set1.equals(set2)) { 2935 return PackageManager.SIGNATURE_MATCH; 2936 } 2937 return PackageManager.SIGNATURE_NO_MATCH; 2938 } 2939 2940 /** 2941 * If the database version for this type of package (internal storage or 2942 * external storage) is less than the version where package signatures 2943 * were updated, return true. 2944 */ 2945 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2946 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2947 DatabaseVersion.SIGNATURE_END_ENTITY)) 2948 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2949 DatabaseVersion.SIGNATURE_END_ENTITY)); 2950 } 2951 2952 /** 2953 * Used for backward compatibility to make sure any packages with 2954 * certificate chains get upgraded to the new style. {@code existingSigs} 2955 * will be in the old format (since they were stored on disk from before the 2956 * system upgrade) and {@code scannedSigs} will be in the newer format. 2957 */ 2958 private int compareSignaturesCompat(PackageSignatures existingSigs, 2959 PackageParser.Package scannedPkg) { 2960 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2961 return PackageManager.SIGNATURE_NO_MATCH; 2962 } 2963 2964 HashSet<Signature> existingSet = new HashSet<Signature>(); 2965 for (Signature sig : existingSigs.mSignatures) { 2966 existingSet.add(sig); 2967 } 2968 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2969 for (Signature sig : scannedPkg.mSignatures) { 2970 try { 2971 Signature[] chainSignatures = sig.getChainSignatures(); 2972 for (Signature chainSig : chainSignatures) { 2973 scannedCompatSet.add(chainSig); 2974 } 2975 } catch (CertificateEncodingException e) { 2976 scannedCompatSet.add(sig); 2977 } 2978 } 2979 /* 2980 * Make sure the expanded scanned set contains all signatures in the 2981 * existing one. 2982 */ 2983 if (scannedCompatSet.equals(existingSet)) { 2984 // Migrate the old signatures to the new scheme. 2985 existingSigs.assignSignatures(scannedPkg.mSignatures); 2986 // The new KeySets will be re-added later in the scanning process. 2987 mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName); 2988 return PackageManager.SIGNATURE_MATCH; 2989 } 2990 return PackageManager.SIGNATURE_NO_MATCH; 2991 } 2992 2993 @Override 2994 public String[] getPackagesForUid(int uid) { 2995 uid = UserHandle.getAppId(uid); 2996 // reader 2997 synchronized (mPackages) { 2998 Object obj = mSettings.getUserIdLPr(uid); 2999 if (obj instanceof SharedUserSetting) { 3000 final SharedUserSetting sus = (SharedUserSetting) obj; 3001 final int N = sus.packages.size(); 3002 final String[] res = new String[N]; 3003 final Iterator<PackageSetting> it = sus.packages.iterator(); 3004 int i = 0; 3005 while (it.hasNext()) { 3006 res[i++] = it.next().name; 3007 } 3008 return res; 3009 } else if (obj instanceof PackageSetting) { 3010 final PackageSetting ps = (PackageSetting) obj; 3011 return new String[] { ps.name }; 3012 } 3013 } 3014 return null; 3015 } 3016 3017 @Override 3018 public String getNameForUid(int uid) { 3019 // reader 3020 synchronized (mPackages) { 3021 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3022 if (obj instanceof SharedUserSetting) { 3023 final SharedUserSetting sus = (SharedUserSetting) obj; 3024 return sus.name + ":" + sus.userId; 3025 } else if (obj instanceof PackageSetting) { 3026 final PackageSetting ps = (PackageSetting) obj; 3027 return ps.name; 3028 } 3029 } 3030 return null; 3031 } 3032 3033 @Override 3034 public int getUidForSharedUser(String sharedUserName) { 3035 if(sharedUserName == null) { 3036 return -1; 3037 } 3038 // reader 3039 synchronized (mPackages) { 3040 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 3041 if (suid == null) { 3042 return -1; 3043 } 3044 return suid.userId; 3045 } 3046 } 3047 3048 @Override 3049 public int getFlagsForUid(int uid) { 3050 synchronized (mPackages) { 3051 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3052 if (obj instanceof SharedUserSetting) { 3053 final SharedUserSetting sus = (SharedUserSetting) obj; 3054 return sus.pkgFlags; 3055 } else if (obj instanceof PackageSetting) { 3056 final PackageSetting ps = (PackageSetting) obj; 3057 return ps.pkgFlags; 3058 } 3059 } 3060 return 0; 3061 } 3062 3063 @Override 3064 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3065 int flags, int userId) { 3066 if (!sUserManager.exists(userId)) return null; 3067 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 3068 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3069 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3070 } 3071 3072 @Override 3073 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3074 IntentFilter filter, int match, ComponentName activity) { 3075 final int userId = UserHandle.getCallingUserId(); 3076 if (DEBUG_PREFERRED) { 3077 Log.v(TAG, "setLastChosenActivity intent=" + intent 3078 + " resolvedType=" + resolvedType 3079 + " flags=" + flags 3080 + " filter=" + filter 3081 + " match=" + match 3082 + " activity=" + activity); 3083 filter.dump(new PrintStreamPrinter(System.out), " "); 3084 } 3085 intent.setComponent(null); 3086 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3087 // Find any earlier preferred or last chosen entries and nuke them 3088 findPreferredActivity(intent, resolvedType, 3089 flags, query, 0, false, true, false, userId); 3090 // Add the new activity as the last chosen for this filter 3091 addPreferredActivityInternal(filter, match, null, activity, false, userId); 3092 } 3093 3094 @Override 3095 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3096 final int userId = UserHandle.getCallingUserId(); 3097 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3098 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3099 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3100 false, false, false, userId); 3101 } 3102 3103 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3104 int flags, List<ResolveInfo> query, int userId) { 3105 if (query != null) { 3106 final int N = query.size(); 3107 if (N == 1) { 3108 return query.get(0); 3109 } else if (N > 1) { 3110 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3111 // If there is more than one activity with the same priority, 3112 // then let the user decide between them. 3113 ResolveInfo r0 = query.get(0); 3114 ResolveInfo r1 = query.get(1); 3115 if (DEBUG_INTENT_MATCHING || debug) { 3116 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3117 + r1.activityInfo.name + "=" + r1.priority); 3118 } 3119 // If the first activity has a higher priority, or a different 3120 // default, then it is always desireable to pick it. 3121 if (r0.priority != r1.priority 3122 || r0.preferredOrder != r1.preferredOrder 3123 || r0.isDefault != r1.isDefault) { 3124 return query.get(0); 3125 } 3126 // If we have saved a preference for a preferred activity for 3127 // this Intent, use that. 3128 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3129 flags, query, r0.priority, true, false, debug, userId); 3130 if (ri != null) { 3131 return ri; 3132 } 3133 if (userId != 0) { 3134 ri = new ResolveInfo(mResolveInfo); 3135 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3136 ri.activityInfo.applicationInfo = new ApplicationInfo( 3137 ri.activityInfo.applicationInfo); 3138 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3139 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3140 return ri; 3141 } 3142 return mResolveInfo; 3143 } 3144 } 3145 return null; 3146 } 3147 3148 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3149 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3150 final int N = query.size(); 3151 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3152 .get(userId); 3153 // Get the list of persistent preferred activities that handle the intent 3154 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3155 List<PersistentPreferredActivity> pprefs = ppir != null 3156 ? ppir.queryIntent(intent, resolvedType, 3157 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3158 : null; 3159 if (pprefs != null && pprefs.size() > 0) { 3160 final int M = pprefs.size(); 3161 for (int i=0; i<M; i++) { 3162 final PersistentPreferredActivity ppa = pprefs.get(i); 3163 if (DEBUG_PREFERRED || debug) { 3164 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3165 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3166 + "\n component=" + ppa.mComponent); 3167 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3168 } 3169 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3170 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3171 if (DEBUG_PREFERRED || debug) { 3172 Slog.v(TAG, "Found persistent preferred activity:"); 3173 if (ai != null) { 3174 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3175 } else { 3176 Slog.v(TAG, " null"); 3177 } 3178 } 3179 if (ai == null) { 3180 // This previously registered persistent preferred activity 3181 // component is no longer known. Ignore it and do NOT remove it. 3182 continue; 3183 } 3184 for (int j=0; j<N; j++) { 3185 final ResolveInfo ri = query.get(j); 3186 if (!ri.activityInfo.applicationInfo.packageName 3187 .equals(ai.applicationInfo.packageName)) { 3188 continue; 3189 } 3190 if (!ri.activityInfo.name.equals(ai.name)) { 3191 continue; 3192 } 3193 // Found a persistent preference that can handle the intent. 3194 if (DEBUG_PREFERRED || debug) { 3195 Slog.v(TAG, "Returning persistent preferred activity: " + 3196 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3197 } 3198 return ri; 3199 } 3200 } 3201 } 3202 return null; 3203 } 3204 3205 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3206 List<ResolveInfo> query, int priority, boolean always, 3207 boolean removeMatches, boolean debug, int userId) { 3208 if (!sUserManager.exists(userId)) return null; 3209 // writer 3210 synchronized (mPackages) { 3211 if (intent.getSelector() != null) { 3212 intent = intent.getSelector(); 3213 } 3214 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3215 3216 // Try to find a matching persistent preferred activity. 3217 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3218 debug, userId); 3219 3220 // If a persistent preferred activity matched, use it. 3221 if (pri != null) { 3222 return pri; 3223 } 3224 3225 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3226 // Get the list of preferred activities that handle the intent 3227 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3228 List<PreferredActivity> prefs = pir != null 3229 ? pir.queryIntent(intent, resolvedType, 3230 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3231 : null; 3232 if (prefs != null && prefs.size() > 0) { 3233 // First figure out how good the original match set is. 3234 // We will only allow preferred activities that came 3235 // from the same match quality. 3236 int match = 0; 3237 3238 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3239 3240 final int N = query.size(); 3241 for (int j=0; j<N; j++) { 3242 final ResolveInfo ri = query.get(j); 3243 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3244 + ": 0x" + Integer.toHexString(match)); 3245 if (ri.match > match) { 3246 match = ri.match; 3247 } 3248 } 3249 3250 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3251 + Integer.toHexString(match)); 3252 3253 match &= IntentFilter.MATCH_CATEGORY_MASK; 3254 final int M = prefs.size(); 3255 for (int i=0; i<M; i++) { 3256 final PreferredActivity pa = prefs.get(i); 3257 if (DEBUG_PREFERRED || debug) { 3258 Slog.v(TAG, "Checking PreferredActivity ds=" 3259 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3260 + "\n component=" + pa.mPref.mComponent); 3261 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3262 } 3263 if (pa.mPref.mMatch != match) { 3264 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3265 + Integer.toHexString(pa.mPref.mMatch)); 3266 continue; 3267 } 3268 // If it's not an "always" type preferred activity and that's what we're 3269 // looking for, skip it. 3270 if (always && !pa.mPref.mAlways) { 3271 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3272 continue; 3273 } 3274 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3275 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3276 if (DEBUG_PREFERRED || debug) { 3277 Slog.v(TAG, "Found preferred activity:"); 3278 if (ai != null) { 3279 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3280 } else { 3281 Slog.v(TAG, " null"); 3282 } 3283 } 3284 if (ai == null) { 3285 // This previously registered preferred activity 3286 // component is no longer known. Most likely an update 3287 // to the app was installed and in the new version this 3288 // component no longer exists. Clean it up by removing 3289 // it from the preferred activities list, and skip it. 3290 Slog.w(TAG, "Removing dangling preferred activity: " 3291 + pa.mPref.mComponent); 3292 pir.removeFilter(pa); 3293 continue; 3294 } 3295 for (int j=0; j<N; j++) { 3296 final ResolveInfo ri = query.get(j); 3297 if (!ri.activityInfo.applicationInfo.packageName 3298 .equals(ai.applicationInfo.packageName)) { 3299 continue; 3300 } 3301 if (!ri.activityInfo.name.equals(ai.name)) { 3302 continue; 3303 } 3304 3305 if (removeMatches) { 3306 pir.removeFilter(pa); 3307 if (DEBUG_PREFERRED) { 3308 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3309 } 3310 break; 3311 } 3312 3313 // Okay we found a previously set preferred or last chosen app. 3314 // If the result set is different from when this 3315 // was created, we need to clear it and re-ask the 3316 // user their preference, if we're looking for an "always" type entry. 3317 if (always && !pa.mPref.sameSet(query, priority)) { 3318 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3319 + intent + " type " + resolvedType); 3320 if (DEBUG_PREFERRED) { 3321 Slog.v(TAG, "Removing preferred activity since set changed " 3322 + pa.mPref.mComponent); 3323 } 3324 pir.removeFilter(pa); 3325 // Re-add the filter as a "last chosen" entry (!always) 3326 PreferredActivity lastChosen = new PreferredActivity( 3327 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3328 pir.addFilter(lastChosen); 3329 mSettings.writePackageRestrictionsLPr(userId); 3330 return null; 3331 } 3332 3333 // Yay! Either the set matched or we're looking for the last chosen 3334 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3335 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3336 mSettings.writePackageRestrictionsLPr(userId); 3337 return ri; 3338 } 3339 } 3340 } 3341 mSettings.writePackageRestrictionsLPr(userId); 3342 } 3343 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3344 return null; 3345 } 3346 3347 /* 3348 * Returns if intent can be forwarded from the userId from to dest 3349 */ 3350 @Override 3351 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3352 int targetUserId) { 3353 mContext.enforceCallingOrSelfPermission( 3354 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3355 List<CrossProfileIntentFilter> matches = 3356 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3357 if (matches != null) { 3358 int size = matches.size(); 3359 for (int i = 0; i < size; i++) { 3360 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3361 } 3362 } 3363 return false; 3364 } 3365 3366 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3367 String resolvedType, int userId) { 3368 CrossProfileIntentResolver cpir = mSettings.mCrossProfileIntentResolvers.get(userId); 3369 if (cpir != null) { 3370 return cpir.queryIntent(intent, resolvedType, false, userId); 3371 } 3372 return null; 3373 } 3374 3375 @Override 3376 public List<ResolveInfo> queryIntentActivities(Intent intent, 3377 String resolvedType, int flags, int userId) { 3378 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3379 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3380 ComponentName comp = intent.getComponent(); 3381 if (comp == null) { 3382 if (intent.getSelector() != null) { 3383 intent = intent.getSelector(); 3384 comp = intent.getComponent(); 3385 } 3386 } 3387 3388 if (comp != null) { 3389 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3390 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3391 if (ai != null) { 3392 final ResolveInfo ri = new ResolveInfo(); 3393 ri.activityInfo = ai; 3394 list.add(ri); 3395 } 3396 return list; 3397 } 3398 3399 // reader 3400 synchronized (mPackages) { 3401 final String pkgName = intent.getPackage(); 3402 if (pkgName == null) { 3403 List<ResolveInfo> result = 3404 mActivities.queryIntent(intent, resolvedType, flags, userId); 3405 // Checking if we can forward the intent to another user 3406 List<CrossProfileIntentFilter> cpifs = 3407 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3408 if (cpifs != null) { 3409 CrossProfileIntentFilter crossProfileIntentFilterWithResult = null; 3410 HashSet<Integer> alreadyTriedUserIds = new HashSet<Integer>(); 3411 for (CrossProfileIntentFilter cpif : cpifs) { 3412 int targetUserId = cpif.getTargetUserId(); 3413 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3414 // match the same an intent. For performance reasons, it is better not to 3415 // run queryIntent twice for the same userId 3416 if (!alreadyTriedUserIds.contains(targetUserId)) { 3417 List<ResolveInfo> resultUser = mActivities.queryIntent(intent, 3418 resolvedType, flags, targetUserId); 3419 if (resultUser != null) { 3420 crossProfileIntentFilterWithResult = cpif; 3421 // As soon as there is a match in another user, we add the 3422 // intentForwarderActivity to the list of ResolveInfo. 3423 break; 3424 } 3425 alreadyTriedUserIds.add(targetUserId); 3426 } 3427 } 3428 if (crossProfileIntentFilterWithResult != null) { 3429 ResolveInfo forwardingResolveInfo = createForwardingResolveInfo( 3430 crossProfileIntentFilterWithResult, userId); 3431 result.add(forwardingResolveInfo); 3432 } 3433 } 3434 return result; 3435 } 3436 final PackageParser.Package pkg = mPackages.get(pkgName); 3437 if (pkg != null) { 3438 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3439 pkg.activities, userId); 3440 } 3441 return new ArrayList<ResolveInfo>(); 3442 } 3443 } 3444 3445 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter cpif, 3446 int sourceUserId) { 3447 String className; 3448 int targetUserId = cpif.getTargetUserId(); 3449 if (targetUserId == UserHandle.USER_OWNER) { 3450 className = FORWARD_INTENT_TO_USER_OWNER; 3451 } else { 3452 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3453 } 3454 ComponentName forwardingActivityComponentName = new ComponentName( 3455 mAndroidApplication.packageName, className); 3456 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3457 sourceUserId); 3458 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3459 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3460 forwardingResolveInfo.priority = 0; 3461 forwardingResolveInfo.preferredOrder = 0; 3462 forwardingResolveInfo.match = 0; 3463 forwardingResolveInfo.isDefault = true; 3464 forwardingResolveInfo.filter = cpif; 3465 return forwardingResolveInfo; 3466 } 3467 3468 @Override 3469 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3470 Intent[] specifics, String[] specificTypes, Intent intent, 3471 String resolvedType, int flags, int userId) { 3472 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3473 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3474 "query intent activity options"); 3475 final String resultsAction = intent.getAction(); 3476 3477 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3478 | PackageManager.GET_RESOLVED_FILTER, userId); 3479 3480 if (DEBUG_INTENT_MATCHING) { 3481 Log.v(TAG, "Query " + intent + ": " + results); 3482 } 3483 3484 int specificsPos = 0; 3485 int N; 3486 3487 // todo: note that the algorithm used here is O(N^2). This 3488 // isn't a problem in our current environment, but if we start running 3489 // into situations where we have more than 5 or 10 matches then this 3490 // should probably be changed to something smarter... 3491 3492 // First we go through and resolve each of the specific items 3493 // that were supplied, taking care of removing any corresponding 3494 // duplicate items in the generic resolve list. 3495 if (specifics != null) { 3496 for (int i=0; i<specifics.length; i++) { 3497 final Intent sintent = specifics[i]; 3498 if (sintent == null) { 3499 continue; 3500 } 3501 3502 if (DEBUG_INTENT_MATCHING) { 3503 Log.v(TAG, "Specific #" + i + ": " + sintent); 3504 } 3505 3506 String action = sintent.getAction(); 3507 if (resultsAction != null && resultsAction.equals(action)) { 3508 // If this action was explicitly requested, then don't 3509 // remove things that have it. 3510 action = null; 3511 } 3512 3513 ResolveInfo ri = null; 3514 ActivityInfo ai = null; 3515 3516 ComponentName comp = sintent.getComponent(); 3517 if (comp == null) { 3518 ri = resolveIntent( 3519 sintent, 3520 specificTypes != null ? specificTypes[i] : null, 3521 flags, userId); 3522 if (ri == null) { 3523 continue; 3524 } 3525 if (ri == mResolveInfo) { 3526 // ACK! Must do something better with this. 3527 } 3528 ai = ri.activityInfo; 3529 comp = new ComponentName(ai.applicationInfo.packageName, 3530 ai.name); 3531 } else { 3532 ai = getActivityInfo(comp, flags, userId); 3533 if (ai == null) { 3534 continue; 3535 } 3536 } 3537 3538 // Look for any generic query activities that are duplicates 3539 // of this specific one, and remove them from the results. 3540 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3541 N = results.size(); 3542 int j; 3543 for (j=specificsPos; j<N; j++) { 3544 ResolveInfo sri = results.get(j); 3545 if ((sri.activityInfo.name.equals(comp.getClassName()) 3546 && sri.activityInfo.applicationInfo.packageName.equals( 3547 comp.getPackageName())) 3548 || (action != null && sri.filter.matchAction(action))) { 3549 results.remove(j); 3550 if (DEBUG_INTENT_MATCHING) Log.v( 3551 TAG, "Removing duplicate item from " + j 3552 + " due to specific " + specificsPos); 3553 if (ri == null) { 3554 ri = sri; 3555 } 3556 j--; 3557 N--; 3558 } 3559 } 3560 3561 // Add this specific item to its proper place. 3562 if (ri == null) { 3563 ri = new ResolveInfo(); 3564 ri.activityInfo = ai; 3565 } 3566 results.add(specificsPos, ri); 3567 ri.specificIndex = i; 3568 specificsPos++; 3569 } 3570 } 3571 3572 // Now we go through the remaining generic results and remove any 3573 // duplicate actions that are found here. 3574 N = results.size(); 3575 for (int i=specificsPos; i<N-1; i++) { 3576 final ResolveInfo rii = results.get(i); 3577 if (rii.filter == null) { 3578 continue; 3579 } 3580 3581 // Iterate over all of the actions of this result's intent 3582 // filter... typically this should be just one. 3583 final Iterator<String> it = rii.filter.actionsIterator(); 3584 if (it == null) { 3585 continue; 3586 } 3587 while (it.hasNext()) { 3588 final String action = it.next(); 3589 if (resultsAction != null && resultsAction.equals(action)) { 3590 // If this action was explicitly requested, then don't 3591 // remove things that have it. 3592 continue; 3593 } 3594 for (int j=i+1; j<N; j++) { 3595 final ResolveInfo rij = results.get(j); 3596 if (rij.filter != null && rij.filter.hasAction(action)) { 3597 results.remove(j); 3598 if (DEBUG_INTENT_MATCHING) Log.v( 3599 TAG, "Removing duplicate item from " + j 3600 + " due to action " + action + " at " + i); 3601 j--; 3602 N--; 3603 } 3604 } 3605 } 3606 3607 // If the caller didn't request filter information, drop it now 3608 // so we don't have to marshall/unmarshall it. 3609 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3610 rii.filter = null; 3611 } 3612 } 3613 3614 // Filter out the caller activity if so requested. 3615 if (caller != null) { 3616 N = results.size(); 3617 for (int i=0; i<N; i++) { 3618 ActivityInfo ainfo = results.get(i).activityInfo; 3619 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3620 && caller.getClassName().equals(ainfo.name)) { 3621 results.remove(i); 3622 break; 3623 } 3624 } 3625 } 3626 3627 // If the caller didn't request filter information, 3628 // drop them now so we don't have to 3629 // marshall/unmarshall it. 3630 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3631 N = results.size(); 3632 for (int i=0; i<N; i++) { 3633 results.get(i).filter = null; 3634 } 3635 } 3636 3637 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3638 return results; 3639 } 3640 3641 @Override 3642 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3643 int userId) { 3644 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3645 ComponentName comp = intent.getComponent(); 3646 if (comp == null) { 3647 if (intent.getSelector() != null) { 3648 intent = intent.getSelector(); 3649 comp = intent.getComponent(); 3650 } 3651 } 3652 if (comp != null) { 3653 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3654 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3655 if (ai != null) { 3656 ResolveInfo ri = new ResolveInfo(); 3657 ri.activityInfo = ai; 3658 list.add(ri); 3659 } 3660 return list; 3661 } 3662 3663 // reader 3664 synchronized (mPackages) { 3665 String pkgName = intent.getPackage(); 3666 if (pkgName == null) { 3667 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3668 } 3669 final PackageParser.Package pkg = mPackages.get(pkgName); 3670 if (pkg != null) { 3671 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3672 userId); 3673 } 3674 return null; 3675 } 3676 } 3677 3678 @Override 3679 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3680 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3681 if (!sUserManager.exists(userId)) return null; 3682 if (query != null) { 3683 if (query.size() >= 1) { 3684 // If there is more than one service with the same priority, 3685 // just arbitrarily pick the first one. 3686 return query.get(0); 3687 } 3688 } 3689 return null; 3690 } 3691 3692 @Override 3693 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3694 int userId) { 3695 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3696 ComponentName comp = intent.getComponent(); 3697 if (comp == null) { 3698 if (intent.getSelector() != null) { 3699 intent = intent.getSelector(); 3700 comp = intent.getComponent(); 3701 } 3702 } 3703 if (comp != null) { 3704 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3705 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3706 if (si != null) { 3707 final ResolveInfo ri = new ResolveInfo(); 3708 ri.serviceInfo = si; 3709 list.add(ri); 3710 } 3711 return list; 3712 } 3713 3714 // reader 3715 synchronized (mPackages) { 3716 String pkgName = intent.getPackage(); 3717 if (pkgName == null) { 3718 return mServices.queryIntent(intent, resolvedType, flags, userId); 3719 } 3720 final PackageParser.Package pkg = mPackages.get(pkgName); 3721 if (pkg != null) { 3722 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3723 userId); 3724 } 3725 return null; 3726 } 3727 } 3728 3729 @Override 3730 public List<ResolveInfo> queryIntentContentProviders( 3731 Intent intent, String resolvedType, int flags, int userId) { 3732 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3733 ComponentName comp = intent.getComponent(); 3734 if (comp == null) { 3735 if (intent.getSelector() != null) { 3736 intent = intent.getSelector(); 3737 comp = intent.getComponent(); 3738 } 3739 } 3740 if (comp != null) { 3741 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3742 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3743 if (pi != null) { 3744 final ResolveInfo ri = new ResolveInfo(); 3745 ri.providerInfo = pi; 3746 list.add(ri); 3747 } 3748 return list; 3749 } 3750 3751 // reader 3752 synchronized (mPackages) { 3753 String pkgName = intent.getPackage(); 3754 if (pkgName == null) { 3755 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3756 } 3757 final PackageParser.Package pkg = mPackages.get(pkgName); 3758 if (pkg != null) { 3759 return mProviders.queryIntentForPackage( 3760 intent, resolvedType, flags, pkg.providers, userId); 3761 } 3762 return null; 3763 } 3764 } 3765 3766 @Override 3767 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3768 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3769 3770 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3771 3772 // writer 3773 synchronized (mPackages) { 3774 ArrayList<PackageInfo> list; 3775 if (listUninstalled) { 3776 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3777 for (PackageSetting ps : mSettings.mPackages.values()) { 3778 PackageInfo pi; 3779 if (ps.pkg != null) { 3780 pi = generatePackageInfo(ps.pkg, flags, userId); 3781 } else { 3782 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3783 } 3784 if (pi != null) { 3785 list.add(pi); 3786 } 3787 } 3788 } else { 3789 list = new ArrayList<PackageInfo>(mPackages.size()); 3790 for (PackageParser.Package p : mPackages.values()) { 3791 PackageInfo pi = generatePackageInfo(p, flags, userId); 3792 if (pi != null) { 3793 list.add(pi); 3794 } 3795 } 3796 } 3797 3798 return new ParceledListSlice<PackageInfo>(list); 3799 } 3800 } 3801 3802 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3803 String[] permissions, boolean[] tmp, int flags, int userId) { 3804 int numMatch = 0; 3805 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3806 for (int i=0; i<permissions.length; i++) { 3807 if (gp.grantedPermissions.contains(permissions[i])) { 3808 tmp[i] = true; 3809 numMatch++; 3810 } else { 3811 tmp[i] = false; 3812 } 3813 } 3814 if (numMatch == 0) { 3815 return; 3816 } 3817 PackageInfo pi; 3818 if (ps.pkg != null) { 3819 pi = generatePackageInfo(ps.pkg, flags, userId); 3820 } else { 3821 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3822 } 3823 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3824 if (numMatch == permissions.length) { 3825 pi.requestedPermissions = permissions; 3826 } else { 3827 pi.requestedPermissions = new String[numMatch]; 3828 numMatch = 0; 3829 for (int i=0; i<permissions.length; i++) { 3830 if (tmp[i]) { 3831 pi.requestedPermissions[numMatch] = permissions[i]; 3832 numMatch++; 3833 } 3834 } 3835 } 3836 } 3837 list.add(pi); 3838 } 3839 3840 @Override 3841 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3842 String[] permissions, int flags, int userId) { 3843 if (!sUserManager.exists(userId)) return null; 3844 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3845 3846 // writer 3847 synchronized (mPackages) { 3848 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3849 boolean[] tmpBools = new boolean[permissions.length]; 3850 if (listUninstalled) { 3851 for (PackageSetting ps : mSettings.mPackages.values()) { 3852 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3853 } 3854 } else { 3855 for (PackageParser.Package pkg : mPackages.values()) { 3856 PackageSetting ps = (PackageSetting)pkg.mExtras; 3857 if (ps != null) { 3858 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3859 userId); 3860 } 3861 } 3862 } 3863 3864 return new ParceledListSlice<PackageInfo>(list); 3865 } 3866 } 3867 3868 @Override 3869 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3870 if (!sUserManager.exists(userId)) return null; 3871 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3872 3873 // writer 3874 synchronized (mPackages) { 3875 ArrayList<ApplicationInfo> list; 3876 if (listUninstalled) { 3877 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3878 for (PackageSetting ps : mSettings.mPackages.values()) { 3879 ApplicationInfo ai; 3880 if (ps.pkg != null) { 3881 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3882 ps.readUserState(userId), userId); 3883 } else { 3884 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3885 } 3886 if (ai != null) { 3887 list.add(ai); 3888 } 3889 } 3890 } else { 3891 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3892 for (PackageParser.Package p : mPackages.values()) { 3893 if (p.mExtras != null) { 3894 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3895 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3896 if (ai != null) { 3897 list.add(ai); 3898 } 3899 } 3900 } 3901 } 3902 3903 return new ParceledListSlice<ApplicationInfo>(list); 3904 } 3905 } 3906 3907 public List<ApplicationInfo> getPersistentApplications(int flags) { 3908 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3909 3910 // reader 3911 synchronized (mPackages) { 3912 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3913 final int userId = UserHandle.getCallingUserId(); 3914 while (i.hasNext()) { 3915 final PackageParser.Package p = i.next(); 3916 if (p.applicationInfo != null 3917 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3918 && (!mSafeMode || isSystemApp(p))) { 3919 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3920 if (ps != null) { 3921 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3922 ps.readUserState(userId), userId); 3923 if (ai != null) { 3924 finalList.add(ai); 3925 } 3926 } 3927 } 3928 } 3929 } 3930 3931 return finalList; 3932 } 3933 3934 @Override 3935 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3936 if (!sUserManager.exists(userId)) return null; 3937 // reader 3938 synchronized (mPackages) { 3939 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3940 PackageSetting ps = provider != null 3941 ? mSettings.mPackages.get(provider.owner.packageName) 3942 : null; 3943 return ps != null 3944 && mSettings.isEnabledLPr(provider.info, flags, userId) 3945 && (!mSafeMode || (provider.info.applicationInfo.flags 3946 &ApplicationInfo.FLAG_SYSTEM) != 0) 3947 ? PackageParser.generateProviderInfo(provider, flags, 3948 ps.readUserState(userId), userId) 3949 : null; 3950 } 3951 } 3952 3953 /** 3954 * @deprecated 3955 */ 3956 @Deprecated 3957 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3958 // reader 3959 synchronized (mPackages) { 3960 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3961 .entrySet().iterator(); 3962 final int userId = UserHandle.getCallingUserId(); 3963 while (i.hasNext()) { 3964 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3965 PackageParser.Provider p = entry.getValue(); 3966 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3967 3968 if (ps != null && p.syncable 3969 && (!mSafeMode || (p.info.applicationInfo.flags 3970 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3971 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3972 ps.readUserState(userId), userId); 3973 if (info != null) { 3974 outNames.add(entry.getKey()); 3975 outInfo.add(info); 3976 } 3977 } 3978 } 3979 } 3980 } 3981 3982 @Override 3983 public List<ProviderInfo> queryContentProviders(String processName, 3984 int uid, int flags) { 3985 ArrayList<ProviderInfo> finalList = null; 3986 // reader 3987 synchronized (mPackages) { 3988 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3989 final int userId = processName != null ? 3990 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3991 while (i.hasNext()) { 3992 final PackageParser.Provider p = i.next(); 3993 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3994 if (ps != null && p.info.authority != null 3995 && (processName == null 3996 || (p.info.processName.equals(processName) 3997 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3998 && mSettings.isEnabledLPr(p.info, flags, userId) 3999 && (!mSafeMode 4000 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4001 if (finalList == null) { 4002 finalList = new ArrayList<ProviderInfo>(3); 4003 } 4004 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4005 ps.readUserState(userId), userId); 4006 if (info != null) { 4007 finalList.add(info); 4008 } 4009 } 4010 } 4011 } 4012 4013 if (finalList != null) { 4014 Collections.sort(finalList, mProviderInitOrderSorter); 4015 } 4016 4017 return finalList; 4018 } 4019 4020 @Override 4021 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4022 int flags) { 4023 // reader 4024 synchronized (mPackages) { 4025 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4026 return PackageParser.generateInstrumentationInfo(i, flags); 4027 } 4028 } 4029 4030 @Override 4031 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4032 int flags) { 4033 ArrayList<InstrumentationInfo> finalList = 4034 new ArrayList<InstrumentationInfo>(); 4035 4036 // reader 4037 synchronized (mPackages) { 4038 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4039 while (i.hasNext()) { 4040 final PackageParser.Instrumentation p = i.next(); 4041 if (targetPackage == null 4042 || targetPackage.equals(p.info.targetPackage)) { 4043 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4044 flags); 4045 if (ii != null) { 4046 finalList.add(ii); 4047 } 4048 } 4049 } 4050 } 4051 4052 return finalList; 4053 } 4054 4055 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4056 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4057 if (overlays == null) { 4058 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4059 return; 4060 } 4061 for (PackageParser.Package opkg : overlays.values()) { 4062 // Not much to do if idmap fails: we already logged the error 4063 // and we certainly don't want to abort installation of pkg simply 4064 // because an overlay didn't fit properly. For these reasons, 4065 // ignore the return value of createIdmapForPackagePairLI. 4066 createIdmapForPackagePairLI(pkg, opkg); 4067 } 4068 } 4069 4070 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4071 PackageParser.Package opkg) { 4072 if (!opkg.mTrustedOverlay) { 4073 Slog.w(TAG, "Skipping target and overlay pair " + pkg.codePath + " and " + 4074 opkg.codePath + ": overlay not trusted"); 4075 return false; 4076 } 4077 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4078 if (overlaySet == null) { 4079 Slog.e(TAG, "was about to create idmap for " + pkg.codePath + " and " + 4080 opkg.codePath + " but target package has no known overlays"); 4081 return false; 4082 } 4083 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4084 if (mInstaller.idmap(pkg.codePath, opkg.codePath, sharedGid) != 0) { 4085 Slog.e(TAG, "Failed to generate idmap for " + pkg.codePath + " and " + opkg.codePath); 4086 return false; 4087 } 4088 PackageParser.Package[] overlayArray = 4089 overlaySet.values().toArray(new PackageParser.Package[0]); 4090 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4091 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4092 return p1.mOverlayPriority - p2.mOverlayPriority; 4093 } 4094 }; 4095 Arrays.sort(overlayArray, cmp); 4096 4097 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4098 int i = 0; 4099 for (PackageParser.Package p : overlayArray) { 4100 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 4101 } 4102 return true; 4103 } 4104 4105 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4106 String[] files = dir.list(); 4107 if (files == null) { 4108 Log.d(TAG, "No files in app dir " + dir); 4109 return; 4110 } 4111 4112 if (DEBUG_PACKAGE_SCANNING) { 4113 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4114 + " flags=0x" + Integer.toHexString(flags)); 4115 } 4116 4117 int i; 4118 for (i=0; i<files.length; i++) { 4119 File file = new File(dir, files[i]); 4120 if (!isPackageFilename(files[i])) { 4121 // Ignore entries which are not apk's 4122 continue; 4123 } 4124 PackageParser.Package pkg = scanPackageLI(file, 4125 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null, null); 4126 // Don't mess around with apps in system partition. 4127 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4128 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 4129 // Delete the apk 4130 Slog.w(TAG, "Cleaning up failed install of " + file); 4131 file.delete(); 4132 } 4133 } 4134 } 4135 4136 private static File getSettingsProblemFile() { 4137 File dataDir = Environment.getDataDirectory(); 4138 File systemDir = new File(dataDir, "system"); 4139 File fname = new File(systemDir, "uiderrors.txt"); 4140 return fname; 4141 } 4142 4143 static void reportSettingsProblem(int priority, String msg) { 4144 try { 4145 File fname = getSettingsProblemFile(); 4146 FileOutputStream out = new FileOutputStream(fname, true); 4147 PrintWriter pw = new FastPrintWriter(out); 4148 SimpleDateFormat formatter = new SimpleDateFormat(); 4149 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4150 pw.println(dateString + ": " + msg); 4151 pw.close(); 4152 FileUtils.setPermissions( 4153 fname.toString(), 4154 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4155 -1, -1); 4156 } catch (java.io.IOException e) { 4157 } 4158 Slog.println(priority, TAG, msg); 4159 } 4160 4161 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 4162 PackageParser.Package pkg, File srcFile, int parseFlags) { 4163 if (ps != null 4164 && ps.codePath.equals(srcFile) 4165 && ps.timeStamp == srcFile.lastModified() 4166 && !isCompatSignatureUpdateNeeded(pkg)) { 4167 if (ps.signatures.mSignatures != null 4168 && ps.signatures.mSignatures.length != 0) { 4169 // Optimization: reuse the existing cached certificates 4170 // if the package appears to be unchanged. 4171 pkg.mSignatures = ps.signatures.mSignatures; 4172 return true; 4173 } 4174 4175 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4176 } else { 4177 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4178 } 4179 4180 try { 4181 pp.collectCertificates(pkg, parseFlags); 4182 } catch (PackageParserException e) { 4183 mLastScanError = e.error; 4184 return false; 4185 } 4186 return true; 4187 } 4188 4189 /* 4190 * Scan a package and return the newly parsed package. 4191 * Returns null in case of errors and the error code is stored in mLastScanError 4192 */ 4193 private PackageParser.Package scanPackageLI(File scanFile, 4194 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4195 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4196 String scanPath = scanFile.getPath(); 4197 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4198 parseFlags |= mDefParseFlags; 4199 PackageParser pp = new PackageParser(scanPath); 4200 pp.setSeparateProcesses(mSeparateProcesses); 4201 pp.setOnlyCoreApps(mOnlyCore); 4202 4203 final PackageParser.Package pkg; 4204 try { 4205 pkg = pp.parseMonolithicPackage(scanFile, mMetrics, parseFlags, 4206 (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 4207 } catch (PackageParserException e) { 4208 mLastScanError = e.error; 4209 return null; 4210 } 4211 4212 PackageSetting ps = null; 4213 PackageSetting updatedPkg; 4214 // reader 4215 synchronized (mPackages) { 4216 // Look to see if we already know about this package. 4217 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4218 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4219 // This package has been renamed to its original name. Let's 4220 // use that. 4221 ps = mSettings.peekPackageLPr(oldName); 4222 } 4223 // If there was no original package, see one for the real package name. 4224 if (ps == null) { 4225 ps = mSettings.peekPackageLPr(pkg.packageName); 4226 } 4227 // Check to see if this package could be hiding/updating a system 4228 // package. Must look for it either under the original or real 4229 // package name depending on our state. 4230 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4231 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4232 } 4233 boolean updatedPkgBetter = false; 4234 // First check if this is a system package that may involve an update 4235 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4236 if (ps != null && !ps.codePath.equals(scanFile)) { 4237 // The path has changed from what was last scanned... check the 4238 // version of the new path against what we have stored to determine 4239 // what to do. 4240 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4241 if (pkg.mVersionCode < ps.versionCode) { 4242 // The system package has been updated and the code path does not match 4243 // Ignore entry. Skip it. 4244 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4245 + " ignored: updated version " + ps.versionCode 4246 + " better than this " + pkg.mVersionCode); 4247 if (!updatedPkg.codePath.equals(scanFile)) { 4248 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4249 + ps.name + " changing from " + updatedPkg.codePathString 4250 + " to " + scanFile); 4251 updatedPkg.codePath = scanFile; 4252 updatedPkg.codePathString = scanFile.toString(); 4253 // This is the point at which we know that the system-disk APK 4254 // for this package has moved during a reboot (e.g. due to an OTA), 4255 // so we need to reevaluate it for privilege policy. 4256 if (locationIsPrivileged(scanFile)) { 4257 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4258 } 4259 } 4260 updatedPkg.pkg = pkg; 4261 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4262 return null; 4263 } else { 4264 // The current app on the system partition is better than 4265 // what we have updated to on the data partition; switch 4266 // back to the system partition version. 4267 // At this point, its safely assumed that package installation for 4268 // apps in system partition will go through. If not there won't be a working 4269 // version of the app 4270 // writer 4271 synchronized (mPackages) { 4272 // Just remove the loaded entries from package lists. 4273 mPackages.remove(ps.name); 4274 } 4275 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4276 + "reverting from " + ps.codePathString 4277 + ": new version " + pkg.mVersionCode 4278 + " better than installed " + ps.versionCode); 4279 4280 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4281 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4282 getAppInstructionSetFromSettings(ps)); 4283 synchronized (mInstallLock) { 4284 args.cleanUpResourcesLI(); 4285 } 4286 synchronized (mPackages) { 4287 mSettings.enableSystemPackageLPw(ps.name); 4288 } 4289 updatedPkgBetter = true; 4290 } 4291 } 4292 } 4293 4294 if (updatedPkg != null) { 4295 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4296 // initially 4297 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4298 4299 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4300 // flag set initially 4301 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4302 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4303 } 4304 } 4305 // Verify certificates against what was last scanned 4306 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4307 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4308 return null; 4309 } 4310 4311 /* 4312 * A new system app appeared, but we already had a non-system one of the 4313 * same name installed earlier. 4314 */ 4315 boolean shouldHideSystemApp = false; 4316 if (updatedPkg == null && ps != null 4317 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4318 /* 4319 * Check to make sure the signatures match first. If they don't, 4320 * wipe the installed application and its data. 4321 */ 4322 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4323 != PackageManager.SIGNATURE_MATCH) { 4324 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4325 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4326 ps = null; 4327 } else { 4328 /* 4329 * If the newly-added system app is an older version than the 4330 * already installed version, hide it. It will be scanned later 4331 * and re-added like an update. 4332 */ 4333 if (pkg.mVersionCode < ps.versionCode) { 4334 shouldHideSystemApp = true; 4335 } else { 4336 /* 4337 * The newly found system app is a newer version that the 4338 * one previously installed. Simply remove the 4339 * already-installed application and replace it with our own 4340 * while keeping the application data. 4341 */ 4342 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4343 + ps.codePathString + ": new version " + pkg.mVersionCode 4344 + " better than installed " + ps.versionCode); 4345 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4346 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4347 getAppInstructionSetFromSettings(ps)); 4348 synchronized (mInstallLock) { 4349 args.cleanUpResourcesLI(); 4350 } 4351 } 4352 } 4353 } 4354 4355 // The apk is forward locked (not public) if its code and resources 4356 // are kept in different files. (except for app in either system or 4357 // vendor path). 4358 // TODO grab this value from PackageSettings 4359 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4360 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4361 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4362 } 4363 } 4364 4365 String codePath = null; 4366 String resPath = null; 4367 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4368 if (ps != null && ps.resourcePathString != null) { 4369 resPath = ps.resourcePathString; 4370 } else { 4371 // Should not happen at all. Just log an error. 4372 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4373 } 4374 } else { 4375 resPath = pkg.codePath; 4376 } 4377 4378 codePath = pkg.codePath; 4379 // Set application objects path explicitly. 4380 pkg.applicationInfo.sourceDir = codePath; 4381 pkg.applicationInfo.publicSourceDir = resPath; 4382 // Note that we invoke the following method only if we are about to unpack an application 4383 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4384 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4385 4386 /* 4387 * If the system app should be overridden by a previously installed 4388 * data, hide the system app now and let the /data/app scan pick it up 4389 * again. 4390 */ 4391 if (shouldHideSystemApp) { 4392 synchronized (mPackages) { 4393 /* 4394 * We have to grant systems permissions before we hide, because 4395 * grantPermissions will assume the package update is trying to 4396 * expand its permissions. 4397 */ 4398 grantPermissionsLPw(pkg, true); 4399 mSettings.disableSystemPackageLPw(pkg.packageName); 4400 } 4401 } 4402 4403 return scannedPkg; 4404 } 4405 4406 private static String fixProcessName(String defProcessName, 4407 String processName, int uid) { 4408 if (processName == null) { 4409 return defProcessName; 4410 } 4411 return processName; 4412 } 4413 4414 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4415 if (pkgSetting.signatures.mSignatures != null) { 4416 // Already existing package. Make sure signatures match 4417 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4418 == PackageManager.SIGNATURE_MATCH; 4419 if (!match) { 4420 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4421 == PackageManager.SIGNATURE_MATCH; 4422 } 4423 if (!match) { 4424 Slog.e(TAG, "Package " + pkg.packageName 4425 + " signatures do not match the previously installed version; ignoring!"); 4426 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4427 return false; 4428 } 4429 } 4430 // Check for shared user signatures 4431 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4432 // Already existing package. Make sure signatures match 4433 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4434 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4435 if (!match) { 4436 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4437 == PackageManager.SIGNATURE_MATCH; 4438 } 4439 if (!match) { 4440 Slog.e(TAG, "Package " + pkg.packageName 4441 + " has no signatures that match those in shared user " 4442 + pkgSetting.sharedUser.name + "; ignoring!"); 4443 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4444 return false; 4445 } 4446 } 4447 return true; 4448 } 4449 4450 /** 4451 * Enforces that only the system UID or root's UID can call a method exposed 4452 * via Binder. 4453 * 4454 * @param message used as message if SecurityException is thrown 4455 * @throws SecurityException if the caller is not system or root 4456 */ 4457 private static final void enforceSystemOrRoot(String message) { 4458 final int uid = Binder.getCallingUid(); 4459 if (uid != Process.SYSTEM_UID && uid != 0) { 4460 throw new SecurityException(message); 4461 } 4462 } 4463 4464 @Override 4465 public void performBootDexOpt() { 4466 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4467 4468 final HashSet<PackageParser.Package> pkgs; 4469 synchronized (mPackages) { 4470 pkgs = mDeferredDexOpt; 4471 mDeferredDexOpt = null; 4472 } 4473 4474 if (pkgs != null) { 4475 // Filter out packages that aren't recently used. 4476 // 4477 // The exception is first boot of a non-eng device, which 4478 // should do a full dexopt. 4479 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4480 if (eng || !isFirstBoot()) { 4481 // TODO: add a property to control this? 4482 long dexOptLRUThresholdInMinutes; 4483 if (eng) { 4484 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4485 } else { 4486 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4487 } 4488 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4489 4490 int total = pkgs.size(); 4491 int skipped = 0; 4492 long now = System.currentTimeMillis(); 4493 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4494 PackageParser.Package pkg = i.next(); 4495 long then = pkg.mLastPackageUsageTimeInMills; 4496 if (then + dexOptLRUThresholdInMills < now) { 4497 if (DEBUG_DEXOPT) { 4498 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4499 ((then == 0) ? "never" : new Date(then))); 4500 } 4501 i.remove(); 4502 skipped++; 4503 } 4504 } 4505 if (DEBUG_DEXOPT) { 4506 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4507 } 4508 } 4509 4510 int i = 0; 4511 for (PackageParser.Package pkg : pkgs) { 4512 i++; 4513 if (DEBUG_DEXOPT) { 4514 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4515 + ": " + pkg.packageName); 4516 } 4517 if (!isFirstBoot()) { 4518 try { 4519 ActivityManagerNative.getDefault().showBootMessage( 4520 mContext.getResources().getString( 4521 R.string.android_upgrading_apk, 4522 i, pkgs.size()), true); 4523 } catch (RemoteException e) { 4524 } 4525 } 4526 PackageParser.Package p = pkg; 4527 synchronized (mInstallLock) { 4528 if (p.mDexOptNeeded) { 4529 performDexOptLI(p, false /* force dex */, false /* defer */, 4530 true /* include dependencies */); 4531 } 4532 } 4533 } 4534 } 4535 } 4536 4537 @Override 4538 public boolean performDexOpt(String packageName) { 4539 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4540 return performDexOpt(packageName, true); 4541 } 4542 4543 public boolean performDexOpt(String packageName, boolean updateUsage) { 4544 4545 PackageParser.Package p; 4546 synchronized (mPackages) { 4547 p = mPackages.get(packageName); 4548 if (p == null) { 4549 return false; 4550 } 4551 if (updateUsage) { 4552 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4553 } 4554 mPackageUsage.write(false); 4555 if (!p.mDexOptNeeded) { 4556 return false; 4557 } 4558 } 4559 4560 synchronized (mInstallLock) { 4561 return performDexOptLI(p, false /* force dex */, false /* defer */, 4562 true /* include dependencies */) == DEX_OPT_PERFORMED; 4563 } 4564 } 4565 4566 public HashSet<String> getPackagesThatNeedDexOpt() { 4567 HashSet<String> pkgs = null; 4568 synchronized (mPackages) { 4569 for (PackageParser.Package p : mPackages.values()) { 4570 if (DEBUG_DEXOPT) { 4571 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4572 } 4573 if (!p.mDexOptNeeded) { 4574 continue; 4575 } 4576 if (pkgs == null) { 4577 pkgs = new HashSet<String>(); 4578 } 4579 pkgs.add(p.packageName); 4580 } 4581 } 4582 return pkgs; 4583 } 4584 4585 public void shutdown() { 4586 mPackageUsage.write(true); 4587 } 4588 4589 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4590 boolean forceDex, boolean defer, HashSet<String> done) { 4591 for (int i=0; i<libs.size(); i++) { 4592 PackageParser.Package libPkg; 4593 String libName; 4594 synchronized (mPackages) { 4595 libName = libs.get(i); 4596 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4597 if (lib != null && lib.apk != null) { 4598 libPkg = mPackages.get(lib.apk); 4599 } else { 4600 libPkg = null; 4601 } 4602 } 4603 if (libPkg != null && !done.contains(libName)) { 4604 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4605 } 4606 } 4607 } 4608 4609 static final int DEX_OPT_SKIPPED = 0; 4610 static final int DEX_OPT_PERFORMED = 1; 4611 static final int DEX_OPT_DEFERRED = 2; 4612 static final int DEX_OPT_FAILED = -1; 4613 4614 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4615 boolean forceDex, boolean defer, HashSet<String> done) { 4616 final String instructionSet = instructionSetOverride != null ? 4617 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4618 4619 if (done != null) { 4620 done.add(pkg.packageName); 4621 if (pkg.usesLibraries != null) { 4622 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4623 } 4624 if (pkg.usesOptionalLibraries != null) { 4625 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4626 } 4627 } 4628 4629 boolean performed = false; 4630 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4631 String path = pkg.codePath; 4632 try { 4633 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4634 pkg.packageName, 4635 instructionSet, 4636 defer); 4637 // There are three basic cases here: 4638 // 1.) we need to dexopt, either because we are forced or it is needed 4639 // 2.) we are defering a needed dexopt 4640 // 3.) we are skipping an unneeded dexopt 4641 if (forceDex || (!defer && isDexOptNeededInternal)) { 4642 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4643 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4644 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4645 pkg.packageName, instructionSet); 4646 // Note that we ran dexopt, since rerunning will 4647 // probably just result in an error again. 4648 pkg.mDexOptNeeded = false; 4649 if (ret < 0) { 4650 return DEX_OPT_FAILED; 4651 } 4652 return DEX_OPT_PERFORMED; 4653 } 4654 if (defer && isDexOptNeededInternal) { 4655 if (mDeferredDexOpt == null) { 4656 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4657 } 4658 mDeferredDexOpt.add(pkg); 4659 return DEX_OPT_DEFERRED; 4660 } 4661 pkg.mDexOptNeeded = false; 4662 return DEX_OPT_SKIPPED; 4663 } catch (FileNotFoundException e) { 4664 Slog.w(TAG, "Apk not found for dexopt: " + path); 4665 return DEX_OPT_FAILED; 4666 } catch (IOException e) { 4667 Slog.w(TAG, "IOException reading apk: " + path, e); 4668 return DEX_OPT_FAILED; 4669 } catch (StaleDexCacheError e) { 4670 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4671 return DEX_OPT_FAILED; 4672 } catch (Exception e) { 4673 Slog.w(TAG, "Exception when doing dexopt : ", e); 4674 return DEX_OPT_FAILED; 4675 } 4676 } 4677 return DEX_OPT_SKIPPED; 4678 } 4679 4680 private String getAppInstructionSet(ApplicationInfo info) { 4681 String instructionSet = getPreferredInstructionSet(); 4682 4683 if (info.cpuAbi != null) { 4684 instructionSet = VMRuntime.getInstructionSet(info.cpuAbi); 4685 } 4686 4687 return instructionSet; 4688 } 4689 4690 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4691 String instructionSet = getPreferredInstructionSet(); 4692 4693 if (ps.cpuAbiString != null) { 4694 instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 4695 } 4696 4697 return instructionSet; 4698 } 4699 4700 private static String getPreferredInstructionSet() { 4701 if (sPreferredInstructionSet == null) { 4702 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4703 } 4704 4705 return sPreferredInstructionSet; 4706 } 4707 4708 private static List<String> getAllInstructionSets() { 4709 final String[] allAbis = Build.SUPPORTED_ABIS; 4710 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4711 4712 for (String abi : allAbis) { 4713 final String instructionSet = VMRuntime.getInstructionSet(abi); 4714 if (!allInstructionSets.contains(instructionSet)) { 4715 allInstructionSets.add(instructionSet); 4716 } 4717 } 4718 4719 return allInstructionSets; 4720 } 4721 4722 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4723 boolean inclDependencies) { 4724 HashSet<String> done; 4725 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4726 done = new HashSet<String>(); 4727 done.add(pkg.packageName); 4728 } else { 4729 done = null; 4730 } 4731 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4732 } 4733 4734 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4735 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4736 Slog.w(TAG, "Unable to update from " + oldPkg.name 4737 + " to " + newPkg.packageName 4738 + ": old package not in system partition"); 4739 return false; 4740 } else if (mPackages.get(oldPkg.name) != null) { 4741 Slog.w(TAG, "Unable to update from " + oldPkg.name 4742 + " to " + newPkg.packageName 4743 + ": old package still exists"); 4744 return false; 4745 } 4746 return true; 4747 } 4748 4749 File getDataPathForUser(int userId) { 4750 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4751 } 4752 4753 private File getDataPathForPackage(String packageName, int userId) { 4754 /* 4755 * Until we fully support multiple users, return the directory we 4756 * previously would have. The PackageManagerTests will need to be 4757 * revised when this is changed back.. 4758 */ 4759 if (userId == 0) { 4760 return new File(mAppDataDir, packageName); 4761 } else { 4762 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4763 + File.separator + packageName); 4764 } 4765 } 4766 4767 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4768 int[] users = sUserManager.getUserIds(); 4769 int res = mInstaller.install(packageName, uid, uid, seinfo); 4770 if (res < 0) { 4771 return res; 4772 } 4773 for (int user : users) { 4774 if (user != 0) { 4775 res = mInstaller.createUserData(packageName, 4776 UserHandle.getUid(user, uid), user, seinfo); 4777 if (res < 0) { 4778 return res; 4779 } 4780 } 4781 } 4782 return res; 4783 } 4784 4785 private int removeDataDirsLI(String packageName) { 4786 int[] users = sUserManager.getUserIds(); 4787 int res = 0; 4788 for (int user : users) { 4789 int resInner = mInstaller.remove(packageName, user); 4790 if (resInner < 0) { 4791 res = resInner; 4792 } 4793 } 4794 4795 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4796 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4797 if (!nativeLibraryFile.delete()) { 4798 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4799 } 4800 4801 return res; 4802 } 4803 4804 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4805 PackageParser.Package changingLib) { 4806 if (file.path != null) { 4807 usesLibraryFiles.add(file.path); 4808 return; 4809 } 4810 PackageParser.Package p = mPackages.get(file.apk); 4811 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4812 // If we are doing this while in the middle of updating a library apk, 4813 // then we need to make sure to use that new apk for determining the 4814 // dependencies here. (We haven't yet finished committing the new apk 4815 // to the package manager state.) 4816 if (p == null || p.packageName.equals(changingLib.packageName)) { 4817 p = changingLib; 4818 } 4819 } 4820 if (p != null) { 4821 usesLibraryFiles.add(p.codePath); 4822 } 4823 } 4824 4825 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4826 PackageParser.Package changingLib) { 4827 // We might be upgrading from a version of the platform that did not 4828 // provide per-package native library directories for system apps. 4829 // Fix that up here. 4830 if (isSystemApp(pkg)) { 4831 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4832 setInternalAppNativeLibraryPath(pkg, ps); 4833 } 4834 4835 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4836 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4837 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4838 for (int i=0; i<N; i++) { 4839 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4840 if (file == null) { 4841 Slog.e(TAG, "Package " + pkg.packageName 4842 + " requires unavailable shared library " 4843 + pkg.usesLibraries.get(i) + "; failing!"); 4844 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4845 return false; 4846 } 4847 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4848 } 4849 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4850 for (int i=0; i<N; i++) { 4851 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4852 if (file == null) { 4853 Slog.w(TAG, "Package " + pkg.packageName 4854 + " desires unavailable shared library " 4855 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4856 } else { 4857 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4858 } 4859 } 4860 N = usesLibraryFiles.size(); 4861 if (N > 0) { 4862 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4863 } else { 4864 pkg.usesLibraryFiles = null; 4865 } 4866 } 4867 return true; 4868 } 4869 4870 private static boolean hasString(List<String> list, List<String> which) { 4871 if (list == null) { 4872 return false; 4873 } 4874 for (int i=list.size()-1; i>=0; i--) { 4875 for (int j=which.size()-1; j>=0; j--) { 4876 if (which.get(j).equals(list.get(i))) { 4877 return true; 4878 } 4879 } 4880 } 4881 return false; 4882 } 4883 4884 private void updateAllSharedLibrariesLPw() { 4885 for (PackageParser.Package pkg : mPackages.values()) { 4886 updateSharedLibrariesLPw(pkg, null); 4887 } 4888 } 4889 4890 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4891 PackageParser.Package changingPkg) { 4892 ArrayList<PackageParser.Package> res = null; 4893 for (PackageParser.Package pkg : mPackages.values()) { 4894 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4895 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4896 if (res == null) { 4897 res = new ArrayList<PackageParser.Package>(); 4898 } 4899 res.add(pkg); 4900 updateSharedLibrariesLPw(pkg, changingPkg); 4901 } 4902 } 4903 return res; 4904 } 4905 4906 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4907 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4908 final File scanFile = new File(pkg.codePath); 4909 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4910 pkg.applicationInfo.publicSourceDir == null) { 4911 // Bail out. The resource and code paths haven't been set. 4912 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4913 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4914 return null; 4915 } 4916 4917 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4918 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4919 } 4920 4921 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4922 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4923 } 4924 4925 if (mCustomResolverComponentName != null && 4926 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4927 setUpCustomResolverActivity(pkg); 4928 } 4929 4930 if (pkg.packageName.equals("android")) { 4931 synchronized (mPackages) { 4932 if (mAndroidApplication != null) { 4933 Slog.w(TAG, "*************************************************"); 4934 Slog.w(TAG, "Core android package being redefined. Skipping."); 4935 Slog.w(TAG, " file=" + scanFile); 4936 Slog.w(TAG, "*************************************************"); 4937 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4938 return null; 4939 } 4940 4941 // Set up information for our fall-back user intent resolution activity. 4942 mPlatformPackage = pkg; 4943 pkg.mVersionCode = mSdkVersion; 4944 mAndroidApplication = pkg.applicationInfo; 4945 4946 if (!mResolverReplaced) { 4947 mResolveActivity.applicationInfo = mAndroidApplication; 4948 mResolveActivity.name = ResolverActivity.class.getName(); 4949 mResolveActivity.packageName = mAndroidApplication.packageName; 4950 mResolveActivity.processName = "system:ui"; 4951 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4952 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 4953 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4954 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4955 mResolveActivity.exported = true; 4956 mResolveActivity.enabled = true; 4957 mResolveInfo.activityInfo = mResolveActivity; 4958 mResolveInfo.priority = 0; 4959 mResolveInfo.preferredOrder = 0; 4960 mResolveInfo.match = 0; 4961 mResolveComponentName = new ComponentName( 4962 mAndroidApplication.packageName, mResolveActivity.name); 4963 } 4964 } 4965 } 4966 4967 if (DEBUG_PACKAGE_SCANNING) { 4968 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4969 Log.d(TAG, "Scanning package " + pkg.packageName); 4970 } 4971 4972 if (mPackages.containsKey(pkg.packageName) 4973 || mSharedLibraries.containsKey(pkg.packageName)) { 4974 Slog.w(TAG, "Application package " + pkg.packageName 4975 + " already installed. Skipping duplicate."); 4976 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4977 return null; 4978 } 4979 4980 // Initialize package source and resource directories 4981 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4982 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4983 4984 SharedUserSetting suid = null; 4985 PackageSetting pkgSetting = null; 4986 4987 if (!isSystemApp(pkg)) { 4988 // Only system apps can use these features. 4989 pkg.mOriginalPackages = null; 4990 pkg.mRealPackage = null; 4991 pkg.mAdoptPermissions = null; 4992 } 4993 4994 // writer 4995 synchronized (mPackages) { 4996 if (pkg.mSharedUserId != null) { 4997 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4998 if (suid == null) { 4999 Slog.w(TAG, "Creating application package " + pkg.packageName 5000 + " for shared user failed"); 5001 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5002 return null; 5003 } 5004 if (DEBUG_PACKAGE_SCANNING) { 5005 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5006 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5007 + "): packages=" + suid.packages); 5008 } 5009 } 5010 5011 // Check if we are renaming from an original package name. 5012 PackageSetting origPackage = null; 5013 String realName = null; 5014 if (pkg.mOriginalPackages != null) { 5015 // This package may need to be renamed to a previously 5016 // installed name. Let's check on that... 5017 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5018 if (pkg.mOriginalPackages.contains(renamed)) { 5019 // This package had originally been installed as the 5020 // original name, and we have already taken care of 5021 // transitioning to the new one. Just update the new 5022 // one to continue using the old name. 5023 realName = pkg.mRealPackage; 5024 if (!pkg.packageName.equals(renamed)) { 5025 // Callers into this function may have already taken 5026 // care of renaming the package; only do it here if 5027 // it is not already done. 5028 pkg.setPackageName(renamed); 5029 } 5030 5031 } else { 5032 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5033 if ((origPackage = mSettings.peekPackageLPr( 5034 pkg.mOriginalPackages.get(i))) != null) { 5035 // We do have the package already installed under its 5036 // original name... should we use it? 5037 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5038 // New package is not compatible with original. 5039 origPackage = null; 5040 continue; 5041 } else if (origPackage.sharedUser != null) { 5042 // Make sure uid is compatible between packages. 5043 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5044 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5045 + " to " + pkg.packageName + ": old uid " 5046 + origPackage.sharedUser.name 5047 + " differs from " + pkg.mSharedUserId); 5048 origPackage = null; 5049 continue; 5050 } 5051 } else { 5052 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5053 + pkg.packageName + " to old name " + origPackage.name); 5054 } 5055 break; 5056 } 5057 } 5058 } 5059 } 5060 5061 if (mTransferedPackages.contains(pkg.packageName)) { 5062 Slog.w(TAG, "Package " + pkg.packageName 5063 + " was transferred to another, but its .apk remains"); 5064 } 5065 5066 // Just create the setting, don't add it yet. For already existing packages 5067 // the PkgSetting exists already and doesn't have to be created. 5068 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5069 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 5070 pkg.applicationInfo.cpuAbi, 5071 pkg.applicationInfo.flags, user, false); 5072 if (pkgSetting == null) { 5073 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5074 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5075 return null; 5076 } 5077 5078 if (pkgSetting.origPackage != null) { 5079 // If we are first transitioning from an original package, 5080 // fix up the new package's name now. We need to do this after 5081 // looking up the package under its new name, so getPackageLP 5082 // can take care of fiddling things correctly. 5083 pkg.setPackageName(origPackage.name); 5084 5085 // File a report about this. 5086 String msg = "New package " + pkgSetting.realName 5087 + " renamed to replace old package " + pkgSetting.name; 5088 reportSettingsProblem(Log.WARN, msg); 5089 5090 // Make a note of it. 5091 mTransferedPackages.add(origPackage.name); 5092 5093 // No longer need to retain this. 5094 pkgSetting.origPackage = null; 5095 } 5096 5097 if (realName != null) { 5098 // Make a note of it. 5099 mTransferedPackages.add(pkg.packageName); 5100 } 5101 5102 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5103 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5104 } 5105 5106 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5107 // Check all shared libraries and map to their actual file path. 5108 // We only do this here for apps not on a system dir, because those 5109 // are the only ones that can fail an install due to this. We 5110 // will take care of the system apps by updating all of their 5111 // library paths after the scan is done. 5112 if (!updateSharedLibrariesLPw(pkg, null)) { 5113 return null; 5114 } 5115 } 5116 5117 if (mFoundPolicyFile) { 5118 SELinuxMMAC.assignSeinfoValue(pkg); 5119 } 5120 5121 pkg.applicationInfo.uid = pkgSetting.appId; 5122 pkg.mExtras = pkgSetting; 5123 5124 if (!verifySignaturesLP(pkgSetting, pkg)) { 5125 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5126 return null; 5127 } 5128 // The signature has changed, but this package is in the system 5129 // image... let's recover! 5130 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5131 // However... if this package is part of a shared user, but it 5132 // doesn't match the signature of the shared user, let's fail. 5133 // What this means is that you can't change the signatures 5134 // associated with an overall shared user, which doesn't seem all 5135 // that unreasonable. 5136 if (pkgSetting.sharedUser != null) { 5137 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5138 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5139 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5140 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5141 return null; 5142 } 5143 } 5144 // File a report about this. 5145 String msg = "System package " + pkg.packageName 5146 + " signature changed; retaining data."; 5147 reportSettingsProblem(Log.WARN, msg); 5148 } 5149 5150 // Verify that this new package doesn't have any content providers 5151 // that conflict with existing packages. Only do this if the 5152 // package isn't already installed, since we don't want to break 5153 // things that are installed. 5154 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5155 final int N = pkg.providers.size(); 5156 int i; 5157 for (i=0; i<N; i++) { 5158 PackageParser.Provider p = pkg.providers.get(i); 5159 if (p.info.authority != null) { 5160 String names[] = p.info.authority.split(";"); 5161 for (int j = 0; j < names.length; j++) { 5162 if (mProvidersByAuthority.containsKey(names[j])) { 5163 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5164 Slog.w(TAG, "Can't install because provider name " + names[j] + 5165 " (in package " + pkg.applicationInfo.packageName + 5166 ") is already used by " 5167 + ((other != null && other.getComponentName() != null) 5168 ? other.getComponentName().getPackageName() : "?")); 5169 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5170 return null; 5171 } 5172 } 5173 } 5174 } 5175 } 5176 5177 if (pkg.mAdoptPermissions != null) { 5178 // This package wants to adopt ownership of permissions from 5179 // another package. 5180 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5181 final String origName = pkg.mAdoptPermissions.get(i); 5182 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5183 if (orig != null) { 5184 if (verifyPackageUpdateLPr(orig, pkg)) { 5185 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5186 + pkg.packageName); 5187 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5188 } 5189 } 5190 } 5191 } 5192 } 5193 5194 final String pkgName = pkg.packageName; 5195 5196 final long scanFileTime = scanFile.lastModified(); 5197 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5198 pkg.applicationInfo.processName = fixProcessName( 5199 pkg.applicationInfo.packageName, 5200 pkg.applicationInfo.processName, 5201 pkg.applicationInfo.uid); 5202 5203 File dataPath; 5204 if (mPlatformPackage == pkg) { 5205 // The system package is special. 5206 dataPath = new File (Environment.getDataDirectory(), "system"); 5207 pkg.applicationInfo.dataDir = dataPath.getPath(); 5208 } else { 5209 // This is a normal package, need to make its data directory. 5210 dataPath = getDataPathForPackage(pkg.packageName, 0); 5211 5212 boolean uidError = false; 5213 5214 if (dataPath.exists()) { 5215 int currentUid = 0; 5216 try { 5217 StructStat stat = Os.stat(dataPath.getPath()); 5218 currentUid = stat.st_uid; 5219 } catch (ErrnoException e) { 5220 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5221 } 5222 5223 // If we have mismatched owners for the data path, we have a problem. 5224 if (currentUid != pkg.applicationInfo.uid) { 5225 boolean recovered = false; 5226 if (currentUid == 0) { 5227 // The directory somehow became owned by root. Wow. 5228 // This is probably because the system was stopped while 5229 // installd was in the middle of messing with its libs 5230 // directory. Ask installd to fix that. 5231 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5232 pkg.applicationInfo.uid); 5233 if (ret >= 0) { 5234 recovered = true; 5235 String msg = "Package " + pkg.packageName 5236 + " unexpectedly changed to uid 0; recovered to " + 5237 + pkg.applicationInfo.uid; 5238 reportSettingsProblem(Log.WARN, msg); 5239 } 5240 } 5241 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5242 || (scanMode&SCAN_BOOTING) != 0)) { 5243 // If this is a system app, we can at least delete its 5244 // current data so the application will still work. 5245 int ret = removeDataDirsLI(pkgName); 5246 if (ret >= 0) { 5247 // TODO: Kill the processes first 5248 // Old data gone! 5249 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5250 ? "System package " : "Third party package "; 5251 String msg = prefix + pkg.packageName 5252 + " has changed from uid: " 5253 + currentUid + " to " 5254 + pkg.applicationInfo.uid + "; old data erased"; 5255 reportSettingsProblem(Log.WARN, msg); 5256 recovered = true; 5257 5258 // And now re-install the app. 5259 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5260 pkg.applicationInfo.seinfo); 5261 if (ret == -1) { 5262 // Ack should not happen! 5263 msg = prefix + pkg.packageName 5264 + " could not have data directory re-created after delete."; 5265 reportSettingsProblem(Log.WARN, msg); 5266 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5267 return null; 5268 } 5269 } 5270 if (!recovered) { 5271 mHasSystemUidErrors = true; 5272 } 5273 } else if (!recovered) { 5274 // If we allow this install to proceed, we will be broken. 5275 // Abort, abort! 5276 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5277 return null; 5278 } 5279 if (!recovered) { 5280 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5281 + pkg.applicationInfo.uid + "/fs_" 5282 + currentUid; 5283 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5284 String msg = "Package " + pkg.packageName 5285 + " has mismatched uid: " 5286 + currentUid + " on disk, " 5287 + pkg.applicationInfo.uid + " in settings"; 5288 // writer 5289 synchronized (mPackages) { 5290 mSettings.mReadMessages.append(msg); 5291 mSettings.mReadMessages.append('\n'); 5292 uidError = true; 5293 if (!pkgSetting.uidError) { 5294 reportSettingsProblem(Log.ERROR, msg); 5295 } 5296 } 5297 } 5298 } 5299 pkg.applicationInfo.dataDir = dataPath.getPath(); 5300 if (mShouldRestoreconData) { 5301 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5302 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5303 pkg.applicationInfo.uid); 5304 } 5305 } else { 5306 if (DEBUG_PACKAGE_SCANNING) { 5307 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5308 Log.v(TAG, "Want this data dir: " + dataPath); 5309 } 5310 //invoke installer to do the actual installation 5311 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5312 pkg.applicationInfo.seinfo); 5313 if (ret < 0) { 5314 // Error from installer 5315 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5316 return null; 5317 } 5318 5319 if (dataPath.exists()) { 5320 pkg.applicationInfo.dataDir = dataPath.getPath(); 5321 } else { 5322 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5323 pkg.applicationInfo.dataDir = null; 5324 } 5325 } 5326 5327 /* 5328 * Set the data dir to the default "/data/data/<package name>/lib" 5329 * if we got here without anyone telling us different (e.g., apps 5330 * stored on SD card have their native libraries stored in the ASEC 5331 * container with the APK). 5332 * 5333 * This happens during an upgrade from a package settings file that 5334 * doesn't have a native library path attribute at all. 5335 */ 5336 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5337 if (pkgSetting.nativeLibraryPathString == null) { 5338 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5339 } else { 5340 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5341 } 5342 } 5343 pkgSetting.uidError = uidError; 5344 } 5345 5346 final String path = scanFile.getPath(); 5347 /* Note: We don't want to unpack the native binaries for 5348 * system applications, unless they have been updated 5349 * (the binaries are already under /system/lib). 5350 * Also, don't unpack libs for apps on the external card 5351 * since they should have their libraries in the ASEC 5352 * container already. 5353 * 5354 * In other words, we're going to unpack the binaries 5355 * only for non-system apps and system app upgrades. 5356 */ 5357 if (pkg.applicationInfo.nativeLibraryDir != null) { 5358 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5359 try { 5360 // Enable gross and lame hacks for apps that are built with old 5361 // SDK tools. We must scan their APKs for renderscript bitcode and 5362 // not launch them if it's present. Don't bother checking on devices 5363 // that don't have 64 bit support. 5364 String[] abiList = Build.SUPPORTED_ABIS; 5365 boolean hasLegacyRenderscriptBitcode = false; 5366 if (abiOverride != null) { 5367 abiList = new String[] { abiOverride }; 5368 } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 5369 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5370 abiList = Build.SUPPORTED_32_BIT_ABIS; 5371 hasLegacyRenderscriptBitcode = true; 5372 } 5373 5374 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5375 final String dataPathString = dataPath.getCanonicalPath(); 5376 5377 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5378 /* 5379 * Upgrading from a previous version of the OS sometimes 5380 * leaves native libraries in the /data/data/<app>/lib 5381 * directory for system apps even when they shouldn't be. 5382 * Recent changes in the JNI library search path 5383 * necessitates we remove those to match previous behavior. 5384 */ 5385 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5386 Log.i(TAG, "removed obsolete native libraries for system package " 5387 + path); 5388 } 5389 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5390 pkg.applicationInfo.cpuAbi = abiList[0]; 5391 pkgSetting.cpuAbiString = abiList[0]; 5392 } else { 5393 setInternalAppAbi(pkg, pkgSetting); 5394 } 5395 } else { 5396 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5397 /* 5398 * Update native library dir if it starts with 5399 * /data/data 5400 */ 5401 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5402 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5403 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5404 } 5405 5406 try { 5407 int copyRet = copyNativeLibrariesForInternalApp(handle, 5408 nativeLibraryDir, abiList); 5409 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5410 Slog.e(TAG, "Unable to copy native libraries"); 5411 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5412 return null; 5413 } 5414 5415 // We've successfully copied native libraries across, so we make a 5416 // note of what ABI we're using 5417 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5418 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5419 } else if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5420 pkg.applicationInfo.cpuAbi = abiList[0]; 5421 } else { 5422 pkg.applicationInfo.cpuAbi = null; 5423 } 5424 } catch (IOException e) { 5425 Slog.e(TAG, "Unable to copy native libraries", e); 5426 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5427 return null; 5428 } 5429 } else { 5430 // We don't have to copy the shared libraries if we're in the ASEC container 5431 // but we still need to scan the file to figure out what ABI the app needs. 5432 // 5433 // TODO: This duplicates work done in the default container service. It's possible 5434 // to clean this up but we'll need to change the interface between this service 5435 // and IMediaContainerService (but doing so will spread this logic out, rather 5436 // than centralizing it). 5437 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5438 if (abi >= 0) { 5439 pkg.applicationInfo.cpuAbi = abiList[abi]; 5440 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5441 // Note that (non upgraded) system apps will not have any native 5442 // libraries bundled in their APK, but we're guaranteed not to be 5443 // such an app at this point. 5444 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5445 pkg.applicationInfo.cpuAbi = abiList[0]; 5446 } else { 5447 pkg.applicationInfo.cpuAbi = null; 5448 } 5449 } else { 5450 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5451 return null; 5452 } 5453 } 5454 5455 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5456 final int[] userIds = sUserManager.getUserIds(); 5457 synchronized (mInstallLock) { 5458 for (int userId : userIds) { 5459 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5460 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5461 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5462 + ")"); 5463 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5464 return null; 5465 } 5466 } 5467 } 5468 } 5469 5470 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5471 } catch (IOException ioe) { 5472 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5473 } finally { 5474 handle.close(); 5475 } 5476 } 5477 5478 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5479 // We don't do this here during boot because we can do it all 5480 // at once after scanning all existing packages. 5481 // 5482 // We also do this *before* we perform dexopt on this package, so that 5483 // we can avoid redundant dexopts, and also to make sure we've got the 5484 // code and package path correct. 5485 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5486 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5487 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5488 return null; 5489 } 5490 } 5491 5492 if ((scanMode&SCAN_NO_DEX) == 0) { 5493 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5494 == DEX_OPT_FAILED) { 5495 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5496 removeDataDirsLI(pkg.packageName); 5497 } 5498 5499 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5500 return null; 5501 } 5502 } 5503 5504 if (mFactoryTest && pkg.requestedPermissions.contains( 5505 android.Manifest.permission.FACTORY_TEST)) { 5506 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5507 } 5508 5509 ArrayList<PackageParser.Package> clientLibPkgs = null; 5510 5511 // writer 5512 synchronized (mPackages) { 5513 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5514 // Only system apps can add new shared libraries. 5515 if (pkg.libraryNames != null) { 5516 for (int i=0; i<pkg.libraryNames.size(); i++) { 5517 String name = pkg.libraryNames.get(i); 5518 boolean allowed = false; 5519 if (isUpdatedSystemApp(pkg)) { 5520 // New library entries can only be added through the 5521 // system image. This is important to get rid of a lot 5522 // of nasty edge cases: for example if we allowed a non- 5523 // system update of the app to add a library, then uninstalling 5524 // the update would make the library go away, and assumptions 5525 // we made such as through app install filtering would now 5526 // have allowed apps on the device which aren't compatible 5527 // with it. Better to just have the restriction here, be 5528 // conservative, and create many fewer cases that can negatively 5529 // impact the user experience. 5530 final PackageSetting sysPs = mSettings 5531 .getDisabledSystemPkgLPr(pkg.packageName); 5532 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5533 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5534 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5535 allowed = true; 5536 allowed = true; 5537 break; 5538 } 5539 } 5540 } 5541 } else { 5542 allowed = true; 5543 } 5544 if (allowed) { 5545 if (!mSharedLibraries.containsKey(name)) { 5546 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5547 } else if (!name.equals(pkg.packageName)) { 5548 Slog.w(TAG, "Package " + pkg.packageName + " library " 5549 + name + " already exists; skipping"); 5550 } 5551 } else { 5552 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5553 + name + " that is not declared on system image; skipping"); 5554 } 5555 } 5556 if ((scanMode&SCAN_BOOTING) == 0) { 5557 // If we are not booting, we need to update any applications 5558 // that are clients of our shared library. If we are booting, 5559 // this will all be done once the scan is complete. 5560 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5561 } 5562 } 5563 } 5564 } 5565 5566 // We also need to dexopt any apps that are dependent on this library. Note that 5567 // if these fail, we should abort the install since installing the library will 5568 // result in some apps being broken. 5569 if (clientLibPkgs != null) { 5570 if ((scanMode&SCAN_NO_DEX) == 0) { 5571 for (int i=0; i<clientLibPkgs.size(); i++) { 5572 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5573 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5574 == DEX_OPT_FAILED) { 5575 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5576 removeDataDirsLI(pkg.packageName); 5577 } 5578 5579 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5580 return null; 5581 } 5582 } 5583 } 5584 } 5585 5586 // Request the ActivityManager to kill the process(only for existing packages) 5587 // so that we do not end up in a confused state while the user is still using the older 5588 // version of the application while the new one gets installed. 5589 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5590 // If the package lives in an asec, tell everyone that the container is going 5591 // away so they can clean up any references to its resources (which would prevent 5592 // vold from being able to unmount the asec) 5593 if (isForwardLocked(pkg) || isExternal(pkg)) { 5594 if (DEBUG_INSTALL) { 5595 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5596 } 5597 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5598 final ArrayList<String> pkgList = new ArrayList<String>(1); 5599 pkgList.add(pkg.applicationInfo.packageName); 5600 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5601 } 5602 5603 // Post the request that it be killed now that the going-away broadcast is en route 5604 killApplication(pkg.applicationInfo.packageName, 5605 pkg.applicationInfo.uid, "update pkg"); 5606 } 5607 5608 // Also need to kill any apps that are dependent on the library. 5609 if (clientLibPkgs != null) { 5610 for (int i=0; i<clientLibPkgs.size(); i++) { 5611 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5612 killApplication(clientPkg.applicationInfo.packageName, 5613 clientPkg.applicationInfo.uid, "update lib"); 5614 } 5615 } 5616 5617 // writer 5618 synchronized (mPackages) { 5619 // We don't expect installation to fail beyond this point, 5620 if ((scanMode&SCAN_MONITOR) != 0) { 5621 mAppDirs.put(pkg.codePath, pkg); 5622 } 5623 // Add the new setting to mSettings 5624 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5625 // Add the new setting to mPackages 5626 mPackages.put(pkg.applicationInfo.packageName, pkg); 5627 // Make sure we don't accidentally delete its data. 5628 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5629 while (iter.hasNext()) { 5630 PackageCleanItem item = iter.next(); 5631 if (pkgName.equals(item.packageName)) { 5632 iter.remove(); 5633 } 5634 } 5635 5636 // Take care of first install / last update times. 5637 if (currentTime != 0) { 5638 if (pkgSetting.firstInstallTime == 0) { 5639 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5640 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5641 pkgSetting.lastUpdateTime = currentTime; 5642 } 5643 } else if (pkgSetting.firstInstallTime == 0) { 5644 // We need *something*. Take time time stamp of the file. 5645 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5646 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5647 if (scanFileTime != pkgSetting.timeStamp) { 5648 // A package on the system image has changed; consider this 5649 // to be an update. 5650 pkgSetting.lastUpdateTime = scanFileTime; 5651 } 5652 } 5653 5654 // Add the package's KeySets to the global KeySetManager 5655 KeySetManager ksm = mSettings.mKeySetManager; 5656 try { 5657 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5658 if (pkg.mKeySetMapping != null) { 5659 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5660 if (entry.getValue() != null) { 5661 ksm.addDefinedKeySetToPackage(pkg.packageName, 5662 entry.getValue(), entry.getKey()); 5663 } 5664 } 5665 } 5666 } catch (NullPointerException e) { 5667 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5668 } catch (IllegalArgumentException e) { 5669 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5670 } 5671 5672 int N = pkg.providers.size(); 5673 StringBuilder r = null; 5674 int i; 5675 for (i=0; i<N; i++) { 5676 PackageParser.Provider p = pkg.providers.get(i); 5677 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5678 p.info.processName, pkg.applicationInfo.uid); 5679 mProviders.addProvider(p); 5680 p.syncable = p.info.isSyncable; 5681 if (p.info.authority != null) { 5682 String names[] = p.info.authority.split(";"); 5683 p.info.authority = null; 5684 for (int j = 0; j < names.length; j++) { 5685 if (j == 1 && p.syncable) { 5686 // We only want the first authority for a provider to possibly be 5687 // syncable, so if we already added this provider using a different 5688 // authority clear the syncable flag. We copy the provider before 5689 // changing it because the mProviders object contains a reference 5690 // to a provider that we don't want to change. 5691 // Only do this for the second authority since the resulting provider 5692 // object can be the same for all future authorities for this provider. 5693 p = new PackageParser.Provider(p); 5694 p.syncable = false; 5695 } 5696 if (!mProvidersByAuthority.containsKey(names[j])) { 5697 mProvidersByAuthority.put(names[j], p); 5698 if (p.info.authority == null) { 5699 p.info.authority = names[j]; 5700 } else { 5701 p.info.authority = p.info.authority + ";" + names[j]; 5702 } 5703 if (DEBUG_PACKAGE_SCANNING) { 5704 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5705 Log.d(TAG, "Registered content provider: " + names[j] 5706 + ", className = " + p.info.name + ", isSyncable = " 5707 + p.info.isSyncable); 5708 } 5709 } else { 5710 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5711 Slog.w(TAG, "Skipping provider name " + names[j] + 5712 " (in package " + pkg.applicationInfo.packageName + 5713 "): name already used by " 5714 + ((other != null && other.getComponentName() != null) 5715 ? other.getComponentName().getPackageName() : "?")); 5716 } 5717 } 5718 } 5719 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5720 if (r == null) { 5721 r = new StringBuilder(256); 5722 } else { 5723 r.append(' '); 5724 } 5725 r.append(p.info.name); 5726 } 5727 } 5728 if (r != null) { 5729 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5730 } 5731 5732 N = pkg.services.size(); 5733 r = null; 5734 for (i=0; i<N; i++) { 5735 PackageParser.Service s = pkg.services.get(i); 5736 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5737 s.info.processName, pkg.applicationInfo.uid); 5738 mServices.addService(s); 5739 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5740 if (r == null) { 5741 r = new StringBuilder(256); 5742 } else { 5743 r.append(' '); 5744 } 5745 r.append(s.info.name); 5746 } 5747 } 5748 if (r != null) { 5749 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5750 } 5751 5752 N = pkg.receivers.size(); 5753 r = null; 5754 for (i=0; i<N; i++) { 5755 PackageParser.Activity a = pkg.receivers.get(i); 5756 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5757 a.info.processName, pkg.applicationInfo.uid); 5758 mReceivers.addActivity(a, "receiver"); 5759 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5760 if (r == null) { 5761 r = new StringBuilder(256); 5762 } else { 5763 r.append(' '); 5764 } 5765 r.append(a.info.name); 5766 } 5767 } 5768 if (r != null) { 5769 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5770 } 5771 5772 N = pkg.activities.size(); 5773 r = null; 5774 for (i=0; i<N; i++) { 5775 PackageParser.Activity a = pkg.activities.get(i); 5776 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5777 a.info.processName, pkg.applicationInfo.uid); 5778 mActivities.addActivity(a, "activity"); 5779 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5780 if (r == null) { 5781 r = new StringBuilder(256); 5782 } else { 5783 r.append(' '); 5784 } 5785 r.append(a.info.name); 5786 } 5787 } 5788 if (r != null) { 5789 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5790 } 5791 5792 N = pkg.permissionGroups.size(); 5793 r = null; 5794 for (i=0; i<N; i++) { 5795 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5796 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5797 if (cur == null) { 5798 mPermissionGroups.put(pg.info.name, pg); 5799 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5800 if (r == null) { 5801 r = new StringBuilder(256); 5802 } else { 5803 r.append(' '); 5804 } 5805 r.append(pg.info.name); 5806 } 5807 } else { 5808 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5809 + pg.info.packageName + " ignored: original from " 5810 + cur.info.packageName); 5811 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5812 if (r == null) { 5813 r = new StringBuilder(256); 5814 } else { 5815 r.append(' '); 5816 } 5817 r.append("DUP:"); 5818 r.append(pg.info.name); 5819 } 5820 } 5821 } 5822 if (r != null) { 5823 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5824 } 5825 5826 N = pkg.permissions.size(); 5827 r = null; 5828 for (i=0; i<N; i++) { 5829 PackageParser.Permission p = pkg.permissions.get(i); 5830 HashMap<String, BasePermission> permissionMap = 5831 p.tree ? mSettings.mPermissionTrees 5832 : mSettings.mPermissions; 5833 p.group = mPermissionGroups.get(p.info.group); 5834 if (p.info.group == null || p.group != null) { 5835 BasePermission bp = permissionMap.get(p.info.name); 5836 if (bp == null) { 5837 bp = new BasePermission(p.info.name, p.info.packageName, 5838 BasePermission.TYPE_NORMAL); 5839 permissionMap.put(p.info.name, bp); 5840 } 5841 if (bp.perm == null) { 5842 if (bp.sourcePackage != null 5843 && !bp.sourcePackage.equals(p.info.packageName)) { 5844 // If this is a permission that was formerly defined by a non-system 5845 // app, but is now defined by a system app (following an upgrade), 5846 // discard the previous declaration and consider the system's to be 5847 // canonical. 5848 if (isSystemApp(p.owner)) { 5849 String msg = "New decl " + p.owner + " of permission " 5850 + p.info.name + " is system"; 5851 reportSettingsProblem(Log.WARN, msg); 5852 bp.sourcePackage = null; 5853 } 5854 } 5855 if (bp.sourcePackage == null 5856 || bp.sourcePackage.equals(p.info.packageName)) { 5857 BasePermission tree = findPermissionTreeLP(p.info.name); 5858 if (tree == null 5859 || tree.sourcePackage.equals(p.info.packageName)) { 5860 bp.packageSetting = pkgSetting; 5861 bp.perm = p; 5862 bp.uid = pkg.applicationInfo.uid; 5863 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5864 if (r == null) { 5865 r = new StringBuilder(256); 5866 } else { 5867 r.append(' '); 5868 } 5869 r.append(p.info.name); 5870 } 5871 } else { 5872 Slog.w(TAG, "Permission " + p.info.name + " from package " 5873 + p.info.packageName + " ignored: base tree " 5874 + tree.name + " is from package " 5875 + tree.sourcePackage); 5876 } 5877 } else { 5878 Slog.w(TAG, "Permission " + p.info.name + " from package " 5879 + p.info.packageName + " ignored: original from " 5880 + bp.sourcePackage); 5881 } 5882 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5883 if (r == null) { 5884 r = new StringBuilder(256); 5885 } else { 5886 r.append(' '); 5887 } 5888 r.append("DUP:"); 5889 r.append(p.info.name); 5890 } 5891 if (bp.perm == p) { 5892 bp.protectionLevel = p.info.protectionLevel; 5893 } 5894 } else { 5895 Slog.w(TAG, "Permission " + p.info.name + " from package " 5896 + p.info.packageName + " ignored: no group " 5897 + p.group); 5898 } 5899 } 5900 if (r != null) { 5901 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5902 } 5903 5904 N = pkg.instrumentation.size(); 5905 r = null; 5906 for (i=0; i<N; i++) { 5907 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5908 a.info.packageName = pkg.applicationInfo.packageName; 5909 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5910 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5911 a.info.dataDir = pkg.applicationInfo.dataDir; 5912 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5913 mInstrumentation.put(a.getComponentName(), a); 5914 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5915 if (r == null) { 5916 r = new StringBuilder(256); 5917 } else { 5918 r.append(' '); 5919 } 5920 r.append(a.info.name); 5921 } 5922 } 5923 if (r != null) { 5924 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5925 } 5926 5927 if (pkg.protectedBroadcasts != null) { 5928 N = pkg.protectedBroadcasts.size(); 5929 for (i=0; i<N; i++) { 5930 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5931 } 5932 } 5933 5934 pkgSetting.setTimeStamp(scanFileTime); 5935 5936 // Create idmap files for pairs of (packages, overlay packages). 5937 // Note: "android", ie framework-res.apk, is handled by native layers. 5938 if (pkg.mOverlayTarget != null) { 5939 // This is an overlay package. 5940 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5941 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5942 mOverlays.put(pkg.mOverlayTarget, 5943 new HashMap<String, PackageParser.Package>()); 5944 } 5945 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5946 map.put(pkg.packageName, pkg); 5947 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5948 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5949 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5950 return null; 5951 } 5952 } 5953 } else if (mOverlays.containsKey(pkg.packageName) && 5954 !pkg.packageName.equals("android")) { 5955 // This is a regular package, with one or more known overlay packages. 5956 createIdmapsForPackageLI(pkg); 5957 } 5958 } 5959 5960 return pkg; 5961 } 5962 5963 /** 5964 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 5965 * i.e, so that all packages can be run inside a single process if required. 5966 * 5967 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 5968 * this function will either try and make the ABI for all packages in {@code packagesForUser} 5969 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 5970 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 5971 * updating a package that belongs to a shared user. 5972 */ 5973 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5974 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 5975 String requiredInstructionSet = null; 5976 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 5977 requiredInstructionSet = VMRuntime.getInstructionSet( 5978 scannedPackage.applicationInfo.cpuAbi); 5979 } 5980 5981 PackageSetting requirer = null; 5982 for (PackageSetting ps : packagesForUser) { 5983 // If packagesForUser contains scannedPackage, we skip it. This will happen 5984 // when scannedPackage is an update of an existing package. Without this check, 5985 // we will never be able to change the ABI of any package belonging to a shared 5986 // user, even if it's compatible with other packages. 5987 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 5988 if (ps.cpuAbiString == null) { 5989 continue; 5990 } 5991 5992 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 5993 if (requiredInstructionSet != null) { 5994 if (!instructionSet.equals(requiredInstructionSet)) { 5995 // We have a mismatch between instruction sets (say arm vs arm64). 5996 // bail out. 5997 String errorMessage = "Instruction set mismatch, " 5998 + ((requirer == null) ? "[caller]" : requirer) 5999 + " requires " + requiredInstructionSet + " whereas " + ps 6000 + " requires " + instructionSet; 6001 Slog.e(TAG, errorMessage); 6002 6003 reportSettingsProblem(Log.WARN, errorMessage); 6004 // Give up, don't bother making any other changes to the package settings. 6005 return false; 6006 } 6007 } else { 6008 requiredInstructionSet = instructionSet; 6009 requirer = ps; 6010 } 6011 } 6012 } 6013 6014 if (requiredInstructionSet != null) { 6015 String adjustedAbi; 6016 if (requirer != null) { 6017 // requirer != null implies that either scannedPackage was null or that scannedPackage 6018 // did not require an ABI, in which case we have to adjust scannedPackage to match 6019 // the ABI of the set (which is the same as requirer's ABI) 6020 adjustedAbi = requirer.cpuAbiString; 6021 if (scannedPackage != null) { 6022 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 6023 } 6024 } else { 6025 // requirer == null implies that we're updating all ABIs in the set to 6026 // match scannedPackage. 6027 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 6028 } 6029 6030 for (PackageSetting ps : packagesForUser) { 6031 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6032 if (ps.cpuAbiString != null) { 6033 continue; 6034 } 6035 6036 ps.cpuAbiString = adjustedAbi; 6037 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6038 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 6039 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6040 6041 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6042 ps.cpuAbiString = null; 6043 ps.pkg.applicationInfo.cpuAbi = null; 6044 return false; 6045 } else { 6046 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6047 } 6048 } 6049 } 6050 } 6051 } 6052 6053 return true; 6054 } 6055 6056 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6057 synchronized (mPackages) { 6058 mResolverReplaced = true; 6059 // Set up information for custom user intent resolution activity. 6060 mResolveActivity.applicationInfo = pkg.applicationInfo; 6061 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6062 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6063 mResolveActivity.processName = null; 6064 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6065 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6066 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6067 mResolveActivity.theme = 0; 6068 mResolveActivity.exported = true; 6069 mResolveActivity.enabled = true; 6070 mResolveInfo.activityInfo = mResolveActivity; 6071 mResolveInfo.priority = 0; 6072 mResolveInfo.preferredOrder = 0; 6073 mResolveInfo.match = 0; 6074 mResolveComponentName = mCustomResolverComponentName; 6075 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6076 mResolveComponentName); 6077 } 6078 } 6079 6080 private String calculateApkRoot(final String codePathString) { 6081 final File codePath = new File(codePathString); 6082 final File codeRoot; 6083 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6084 codeRoot = Environment.getRootDirectory(); 6085 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6086 codeRoot = Environment.getOemDirectory(); 6087 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6088 codeRoot = Environment.getVendorDirectory(); 6089 } else { 6090 // Unrecognized code path; take its top real segment as the apk root: 6091 // e.g. /something/app/blah.apk => /something 6092 try { 6093 File f = codePath.getCanonicalFile(); 6094 File parent = f.getParentFile(); // non-null because codePath is a file 6095 File tmp; 6096 while ((tmp = parent.getParentFile()) != null) { 6097 f = parent; 6098 parent = tmp; 6099 } 6100 codeRoot = f; 6101 Slog.w(TAG, "Unrecognized code path " 6102 + codePath + " - using " + codeRoot); 6103 } catch (IOException e) { 6104 // Can't canonicalize the lib path -- shenanigans? 6105 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6106 return Environment.getRootDirectory().getPath(); 6107 } 6108 } 6109 return codeRoot.getPath(); 6110 } 6111 6112 // This is the initial scan-time determination of how to handle a given 6113 // package for purposes of native library location. 6114 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6115 PackageSetting pkgSetting) { 6116 // "bundled" here means system-installed with no overriding update 6117 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6118 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6119 final File libDir; 6120 if (bundledApk) { 6121 // If "/system/lib64/apkname" exists, assume that is the per-package 6122 // native library directory to use; otherwise use "/system/lib/apkname". 6123 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6124 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6125 File packLib64 = new File(lib64, apkName); 6126 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6127 } else { 6128 libDir = mAppLibInstallDir; 6129 } 6130 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6131 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6132 // pkgSetting might be null during rescan following uninstall of updates 6133 // to a bundled app, so accommodate that possibility. The settings in 6134 // that case will be established later from the parsed package. 6135 if (pkgSetting != null) { 6136 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6137 } 6138 } 6139 6140 // Deduces the required ABI of an upgraded system app. 6141 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6142 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6143 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6144 6145 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6146 // or similar. 6147 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6148 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6149 6150 // Assume that the bundled native libraries always correspond to the 6151 // most preferred 32 or 64 bit ABI. 6152 if (lib64.exists()) { 6153 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6154 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6155 } else if (lib.exists()) { 6156 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6157 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6158 } else { 6159 // This is the case where the app has no native code. 6160 pkg.applicationInfo.cpuAbi = null; 6161 pkgSetting.cpuAbiString = null; 6162 } 6163 } 6164 6165 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 6166 final File nativeLibraryDir, String[] abiList) throws IOException { 6167 if (!nativeLibraryDir.isDirectory()) { 6168 nativeLibraryDir.delete(); 6169 6170 if (!nativeLibraryDir.mkdir()) { 6171 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6172 } 6173 6174 try { 6175 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6176 } catch (ErrnoException e) { 6177 throw new IOException("Cannot chmod native library directory " 6178 + nativeLibraryDir.getPath(), e); 6179 } 6180 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6181 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6182 } 6183 6184 /* 6185 * If this is an internal application or our nativeLibraryPath points to 6186 * the app-lib directory, unpack the libraries if necessary. 6187 */ 6188 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6189 if (abi >= 0) { 6190 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6191 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6192 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6193 return copyRet; 6194 } 6195 } 6196 6197 return abi; 6198 } 6199 6200 private void killApplication(String pkgName, int appId, String reason) { 6201 // Request the ActivityManager to kill the process(only for existing packages) 6202 // so that we do not end up in a confused state while the user is still using the older 6203 // version of the application while the new one gets installed. 6204 IActivityManager am = ActivityManagerNative.getDefault(); 6205 if (am != null) { 6206 try { 6207 am.killApplicationWithAppId(pkgName, appId, reason); 6208 } catch (RemoteException e) { 6209 } 6210 } 6211 } 6212 6213 void removePackageLI(PackageSetting ps, boolean chatty) { 6214 if (DEBUG_INSTALL) { 6215 if (chatty) 6216 Log.d(TAG, "Removing package " + ps.name); 6217 } 6218 6219 // writer 6220 synchronized (mPackages) { 6221 mPackages.remove(ps.name); 6222 if (ps.codePathString != null) { 6223 mAppDirs.remove(ps.codePathString); 6224 } 6225 6226 final PackageParser.Package pkg = ps.pkg; 6227 if (pkg != null) { 6228 cleanPackageDataStructuresLILPw(pkg, chatty); 6229 } 6230 } 6231 } 6232 6233 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6234 if (DEBUG_INSTALL) { 6235 if (chatty) 6236 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6237 } 6238 6239 // writer 6240 synchronized (mPackages) { 6241 mPackages.remove(pkg.applicationInfo.packageName); 6242 if (pkg.codePath != null) { 6243 mAppDirs.remove(pkg.codePath); 6244 } 6245 cleanPackageDataStructuresLILPw(pkg, chatty); 6246 } 6247 } 6248 6249 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6250 int N = pkg.providers.size(); 6251 StringBuilder r = null; 6252 int i; 6253 for (i=0; i<N; i++) { 6254 PackageParser.Provider p = pkg.providers.get(i); 6255 mProviders.removeProvider(p); 6256 if (p.info.authority == null) { 6257 6258 /* There was another ContentProvider with this authority when 6259 * this app was installed so this authority is null, 6260 * Ignore it as we don't have to unregister the provider. 6261 */ 6262 continue; 6263 } 6264 String names[] = p.info.authority.split(";"); 6265 for (int j = 0; j < names.length; j++) { 6266 if (mProvidersByAuthority.get(names[j]) == p) { 6267 mProvidersByAuthority.remove(names[j]); 6268 if (DEBUG_REMOVE) { 6269 if (chatty) 6270 Log.d(TAG, "Unregistered content provider: " + names[j] 6271 + ", className = " + p.info.name + ", isSyncable = " 6272 + p.info.isSyncable); 6273 } 6274 } 6275 } 6276 if (DEBUG_REMOVE && chatty) { 6277 if (r == null) { 6278 r = new StringBuilder(256); 6279 } else { 6280 r.append(' '); 6281 } 6282 r.append(p.info.name); 6283 } 6284 } 6285 if (r != null) { 6286 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6287 } 6288 6289 N = pkg.services.size(); 6290 r = null; 6291 for (i=0; i<N; i++) { 6292 PackageParser.Service s = pkg.services.get(i); 6293 mServices.removeService(s); 6294 if (chatty) { 6295 if (r == null) { 6296 r = new StringBuilder(256); 6297 } else { 6298 r.append(' '); 6299 } 6300 r.append(s.info.name); 6301 } 6302 } 6303 if (r != null) { 6304 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6305 } 6306 6307 N = pkg.receivers.size(); 6308 r = null; 6309 for (i=0; i<N; i++) { 6310 PackageParser.Activity a = pkg.receivers.get(i); 6311 mReceivers.removeActivity(a, "receiver"); 6312 if (DEBUG_REMOVE && chatty) { 6313 if (r == null) { 6314 r = new StringBuilder(256); 6315 } else { 6316 r.append(' '); 6317 } 6318 r.append(a.info.name); 6319 } 6320 } 6321 if (r != null) { 6322 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6323 } 6324 6325 N = pkg.activities.size(); 6326 r = null; 6327 for (i=0; i<N; i++) { 6328 PackageParser.Activity a = pkg.activities.get(i); 6329 mActivities.removeActivity(a, "activity"); 6330 if (DEBUG_REMOVE && chatty) { 6331 if (r == null) { 6332 r = new StringBuilder(256); 6333 } else { 6334 r.append(' '); 6335 } 6336 r.append(a.info.name); 6337 } 6338 } 6339 if (r != null) { 6340 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6341 } 6342 6343 N = pkg.permissions.size(); 6344 r = null; 6345 for (i=0; i<N; i++) { 6346 PackageParser.Permission p = pkg.permissions.get(i); 6347 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6348 if (bp == null) { 6349 bp = mSettings.mPermissionTrees.get(p.info.name); 6350 } 6351 if (bp != null && bp.perm == p) { 6352 bp.perm = null; 6353 if (DEBUG_REMOVE && chatty) { 6354 if (r == null) { 6355 r = new StringBuilder(256); 6356 } else { 6357 r.append(' '); 6358 } 6359 r.append(p.info.name); 6360 } 6361 } 6362 } 6363 if (r != null) { 6364 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6365 } 6366 6367 N = pkg.instrumentation.size(); 6368 r = null; 6369 for (i=0; i<N; i++) { 6370 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6371 mInstrumentation.remove(a.getComponentName()); 6372 if (DEBUG_REMOVE && chatty) { 6373 if (r == null) { 6374 r = new StringBuilder(256); 6375 } else { 6376 r.append(' '); 6377 } 6378 r.append(a.info.name); 6379 } 6380 } 6381 if (r != null) { 6382 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6383 } 6384 6385 r = null; 6386 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6387 // Only system apps can hold shared libraries. 6388 if (pkg.libraryNames != null) { 6389 for (i=0; i<pkg.libraryNames.size(); i++) { 6390 String name = pkg.libraryNames.get(i); 6391 SharedLibraryEntry cur = mSharedLibraries.get(name); 6392 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6393 mSharedLibraries.remove(name); 6394 if (DEBUG_REMOVE && chatty) { 6395 if (r == null) { 6396 r = new StringBuilder(256); 6397 } else { 6398 r.append(' '); 6399 } 6400 r.append(name); 6401 } 6402 } 6403 } 6404 } 6405 } 6406 if (r != null) { 6407 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6408 } 6409 } 6410 6411 private static final boolean isPackageFilename(String name) { 6412 return name != null && name.endsWith(".apk"); 6413 } 6414 6415 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6416 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6417 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6418 return true; 6419 } 6420 } 6421 return false; 6422 } 6423 6424 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6425 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6426 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6427 6428 private void updatePermissionsLPw(String changingPkg, 6429 PackageParser.Package pkgInfo, int flags) { 6430 // Make sure there are no dangling permission trees. 6431 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6432 while (it.hasNext()) { 6433 final BasePermission bp = it.next(); 6434 if (bp.packageSetting == null) { 6435 // We may not yet have parsed the package, so just see if 6436 // we still know about its settings. 6437 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6438 } 6439 if (bp.packageSetting == null) { 6440 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6441 + " from package " + bp.sourcePackage); 6442 it.remove(); 6443 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6444 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6445 Slog.i(TAG, "Removing old permission tree: " + bp.name 6446 + " from package " + bp.sourcePackage); 6447 flags |= UPDATE_PERMISSIONS_ALL; 6448 it.remove(); 6449 } 6450 } 6451 } 6452 6453 // Make sure all dynamic permissions have been assigned to a package, 6454 // and make sure there are no dangling permissions. 6455 it = mSettings.mPermissions.values().iterator(); 6456 while (it.hasNext()) { 6457 final BasePermission bp = it.next(); 6458 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6459 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6460 + bp.name + " pkg=" + bp.sourcePackage 6461 + " info=" + bp.pendingInfo); 6462 if (bp.packageSetting == null && bp.pendingInfo != null) { 6463 final BasePermission tree = findPermissionTreeLP(bp.name); 6464 if (tree != null && tree.perm != null) { 6465 bp.packageSetting = tree.packageSetting; 6466 bp.perm = new PackageParser.Permission(tree.perm.owner, 6467 new PermissionInfo(bp.pendingInfo)); 6468 bp.perm.info.packageName = tree.perm.info.packageName; 6469 bp.perm.info.name = bp.name; 6470 bp.uid = tree.uid; 6471 } 6472 } 6473 } 6474 if (bp.packageSetting == null) { 6475 // We may not yet have parsed the package, so just see if 6476 // we still know about its settings. 6477 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6478 } 6479 if (bp.packageSetting == null) { 6480 Slog.w(TAG, "Removing dangling permission: " + bp.name 6481 + " from package " + bp.sourcePackage); 6482 it.remove(); 6483 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6484 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6485 Slog.i(TAG, "Removing old permission: " + bp.name 6486 + " from package " + bp.sourcePackage); 6487 flags |= UPDATE_PERMISSIONS_ALL; 6488 it.remove(); 6489 } 6490 } 6491 } 6492 6493 // Now update the permissions for all packages, in particular 6494 // replace the granted permissions of the system packages. 6495 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6496 for (PackageParser.Package pkg : mPackages.values()) { 6497 if (pkg != pkgInfo) { 6498 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6499 } 6500 } 6501 } 6502 6503 if (pkgInfo != null) { 6504 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6505 } 6506 } 6507 6508 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6509 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6510 if (ps == null) { 6511 return; 6512 } 6513 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6514 HashSet<String> origPermissions = gp.grantedPermissions; 6515 boolean changedPermission = false; 6516 6517 if (replace) { 6518 ps.permissionsFixed = false; 6519 if (gp == ps) { 6520 origPermissions = new HashSet<String>(gp.grantedPermissions); 6521 gp.grantedPermissions.clear(); 6522 gp.gids = mGlobalGids; 6523 } 6524 } 6525 6526 if (gp.gids == null) { 6527 gp.gids = mGlobalGids; 6528 } 6529 6530 final int N = pkg.requestedPermissions.size(); 6531 for (int i=0; i<N; i++) { 6532 final String name = pkg.requestedPermissions.get(i); 6533 final boolean required = pkg.requestedPermissionsRequired.get(i); 6534 final BasePermission bp = mSettings.mPermissions.get(name); 6535 if (DEBUG_INSTALL) { 6536 if (gp != ps) { 6537 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6538 } 6539 } 6540 6541 if (bp == null || bp.packageSetting == null) { 6542 Slog.w(TAG, "Unknown permission " + name 6543 + " in package " + pkg.packageName); 6544 continue; 6545 } 6546 6547 final String perm = bp.name; 6548 boolean allowed; 6549 boolean allowedSig = false; 6550 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6551 if (level == PermissionInfo.PROTECTION_NORMAL 6552 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6553 // We grant a normal or dangerous permission if any of the following 6554 // are true: 6555 // 1) The permission is required 6556 // 2) The permission is optional, but was granted in the past 6557 // 3) The permission is optional, but was requested by an 6558 // app in /system (not /data) 6559 // 6560 // Otherwise, reject the permission. 6561 allowed = (required || origPermissions.contains(perm) 6562 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6563 } else if (bp.packageSetting == null) { 6564 // This permission is invalid; skip it. 6565 allowed = false; 6566 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6567 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6568 if (allowed) { 6569 allowedSig = true; 6570 } 6571 } else { 6572 allowed = false; 6573 } 6574 if (DEBUG_INSTALL) { 6575 if (gp != ps) { 6576 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6577 } 6578 } 6579 if (allowed) { 6580 if (!isSystemApp(ps) && ps.permissionsFixed) { 6581 // If this is an existing, non-system package, then 6582 // we can't add any new permissions to it. 6583 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6584 // Except... if this is a permission that was added 6585 // to the platform (note: need to only do this when 6586 // updating the platform). 6587 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6588 } 6589 } 6590 if (allowed) { 6591 if (!gp.grantedPermissions.contains(perm)) { 6592 changedPermission = true; 6593 gp.grantedPermissions.add(perm); 6594 gp.gids = appendInts(gp.gids, bp.gids); 6595 } else if (!ps.haveGids) { 6596 gp.gids = appendInts(gp.gids, bp.gids); 6597 } 6598 } else { 6599 Slog.w(TAG, "Not granting permission " + perm 6600 + " to package " + pkg.packageName 6601 + " because it was previously installed without"); 6602 } 6603 } else { 6604 if (gp.grantedPermissions.remove(perm)) { 6605 changedPermission = true; 6606 gp.gids = removeInts(gp.gids, bp.gids); 6607 Slog.i(TAG, "Un-granting permission " + perm 6608 + " from package " + pkg.packageName 6609 + " (protectionLevel=" + bp.protectionLevel 6610 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6611 + ")"); 6612 } else { 6613 Slog.w(TAG, "Not granting permission " + perm 6614 + " to package " + pkg.packageName 6615 + " (protectionLevel=" + bp.protectionLevel 6616 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6617 + ")"); 6618 } 6619 } 6620 } 6621 6622 if ((changedPermission || replace) && !ps.permissionsFixed && 6623 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6624 // This is the first that we have heard about this package, so the 6625 // permissions we have now selected are fixed until explicitly 6626 // changed. 6627 ps.permissionsFixed = true; 6628 } 6629 ps.haveGids = true; 6630 } 6631 6632 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6633 boolean allowed = false; 6634 final int NP = PackageParser.NEW_PERMISSIONS.length; 6635 for (int ip=0; ip<NP; ip++) { 6636 final PackageParser.NewPermissionInfo npi 6637 = PackageParser.NEW_PERMISSIONS[ip]; 6638 if (npi.name.equals(perm) 6639 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6640 allowed = true; 6641 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6642 + pkg.packageName); 6643 break; 6644 } 6645 } 6646 return allowed; 6647 } 6648 6649 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6650 BasePermission bp, HashSet<String> origPermissions) { 6651 boolean allowed; 6652 allowed = (compareSignatures( 6653 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6654 == PackageManager.SIGNATURE_MATCH) 6655 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6656 == PackageManager.SIGNATURE_MATCH); 6657 if (!allowed && (bp.protectionLevel 6658 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6659 if (isSystemApp(pkg)) { 6660 // For updated system applications, a system permission 6661 // is granted only if it had been defined by the original application. 6662 if (isUpdatedSystemApp(pkg)) { 6663 final PackageSetting sysPs = mSettings 6664 .getDisabledSystemPkgLPr(pkg.packageName); 6665 final GrantedPermissions origGp = sysPs.sharedUser != null 6666 ? sysPs.sharedUser : sysPs; 6667 6668 if (origGp.grantedPermissions.contains(perm)) { 6669 // If the original was granted this permission, we take 6670 // that grant decision as read and propagate it to the 6671 // update. 6672 allowed = true; 6673 } else { 6674 // The system apk may have been updated with an older 6675 // version of the one on the data partition, but which 6676 // granted a new system permission that it didn't have 6677 // before. In this case we do want to allow the app to 6678 // now get the new permission if the ancestral apk is 6679 // privileged to get it. 6680 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6681 for (int j=0; 6682 j<sysPs.pkg.requestedPermissions.size(); j++) { 6683 if (perm.equals( 6684 sysPs.pkg.requestedPermissions.get(j))) { 6685 allowed = true; 6686 break; 6687 } 6688 } 6689 } 6690 } 6691 } else { 6692 allowed = isPrivilegedApp(pkg); 6693 } 6694 } 6695 } 6696 if (!allowed && (bp.protectionLevel 6697 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6698 // For development permissions, a development permission 6699 // is granted only if it was already granted. 6700 allowed = origPermissions.contains(perm); 6701 } 6702 return allowed; 6703 } 6704 6705 final class ActivityIntentResolver 6706 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6707 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6708 boolean defaultOnly, int userId) { 6709 if (!sUserManager.exists(userId)) return null; 6710 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6711 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6712 } 6713 6714 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6715 int userId) { 6716 if (!sUserManager.exists(userId)) return null; 6717 mFlags = flags; 6718 return super.queryIntent(intent, resolvedType, 6719 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6720 } 6721 6722 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6723 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6724 if (!sUserManager.exists(userId)) return null; 6725 if (packageActivities == null) { 6726 return null; 6727 } 6728 mFlags = flags; 6729 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6730 final int N = packageActivities.size(); 6731 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6732 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6733 6734 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6735 for (int i = 0; i < N; ++i) { 6736 intentFilters = packageActivities.get(i).intents; 6737 if (intentFilters != null && intentFilters.size() > 0) { 6738 PackageParser.ActivityIntentInfo[] array = 6739 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6740 intentFilters.toArray(array); 6741 listCut.add(array); 6742 } 6743 } 6744 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6745 } 6746 6747 public final void addActivity(PackageParser.Activity a, String type) { 6748 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6749 mActivities.put(a.getComponentName(), a); 6750 if (DEBUG_SHOW_INFO) 6751 Log.v( 6752 TAG, " " + type + " " + 6753 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6754 if (DEBUG_SHOW_INFO) 6755 Log.v(TAG, " Class=" + a.info.name); 6756 final int NI = a.intents.size(); 6757 for (int j=0; j<NI; j++) { 6758 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6759 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6760 intent.setPriority(0); 6761 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6762 + a.className + " with priority > 0, forcing to 0"); 6763 } 6764 if (DEBUG_SHOW_INFO) { 6765 Log.v(TAG, " IntentFilter:"); 6766 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6767 } 6768 if (!intent.debugCheck()) { 6769 Log.w(TAG, "==> For Activity " + a.info.name); 6770 } 6771 addFilter(intent); 6772 } 6773 } 6774 6775 public final void removeActivity(PackageParser.Activity a, String type) { 6776 mActivities.remove(a.getComponentName()); 6777 if (DEBUG_SHOW_INFO) { 6778 Log.v(TAG, " " + type + " " 6779 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6780 : a.info.name) + ":"); 6781 Log.v(TAG, " Class=" + a.info.name); 6782 } 6783 final int NI = a.intents.size(); 6784 for (int j=0; j<NI; j++) { 6785 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6786 if (DEBUG_SHOW_INFO) { 6787 Log.v(TAG, " IntentFilter:"); 6788 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6789 } 6790 removeFilter(intent); 6791 } 6792 } 6793 6794 @Override 6795 protected boolean allowFilterResult( 6796 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6797 ActivityInfo filterAi = filter.activity.info; 6798 for (int i=dest.size()-1; i>=0; i--) { 6799 ActivityInfo destAi = dest.get(i).activityInfo; 6800 if (destAi.name == filterAi.name 6801 && destAi.packageName == filterAi.packageName) { 6802 return false; 6803 } 6804 } 6805 return true; 6806 } 6807 6808 @Override 6809 protected ActivityIntentInfo[] newArray(int size) { 6810 return new ActivityIntentInfo[size]; 6811 } 6812 6813 @Override 6814 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6815 if (!sUserManager.exists(userId)) return true; 6816 PackageParser.Package p = filter.activity.owner; 6817 if (p != null) { 6818 PackageSetting ps = (PackageSetting)p.mExtras; 6819 if (ps != null) { 6820 // System apps are never considered stopped for purposes of 6821 // filtering, because there may be no way for the user to 6822 // actually re-launch them. 6823 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6824 && ps.getStopped(userId); 6825 } 6826 } 6827 return false; 6828 } 6829 6830 @Override 6831 protected boolean isPackageForFilter(String packageName, 6832 PackageParser.ActivityIntentInfo info) { 6833 return packageName.equals(info.activity.owner.packageName); 6834 } 6835 6836 @Override 6837 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6838 int match, int userId) { 6839 if (!sUserManager.exists(userId)) return null; 6840 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6841 return null; 6842 } 6843 final PackageParser.Activity activity = info.activity; 6844 if (mSafeMode && (activity.info.applicationInfo.flags 6845 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6846 return null; 6847 } 6848 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6849 if (ps == null) { 6850 return null; 6851 } 6852 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6853 ps.readUserState(userId), userId); 6854 if (ai == null) { 6855 return null; 6856 } 6857 final ResolveInfo res = new ResolveInfo(); 6858 res.activityInfo = ai; 6859 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6860 res.filter = info; 6861 } 6862 res.priority = info.getPriority(); 6863 res.preferredOrder = activity.owner.mPreferredOrder; 6864 //System.out.println("Result: " + res.activityInfo.className + 6865 // " = " + res.priority); 6866 res.match = match; 6867 res.isDefault = info.hasDefault; 6868 res.labelRes = info.labelRes; 6869 res.nonLocalizedLabel = info.nonLocalizedLabel; 6870 res.icon = info.icon; 6871 res.system = isSystemApp(res.activityInfo.applicationInfo); 6872 return res; 6873 } 6874 6875 @Override 6876 protected void sortResults(List<ResolveInfo> results) { 6877 Collections.sort(results, mResolvePrioritySorter); 6878 } 6879 6880 @Override 6881 protected void dumpFilter(PrintWriter out, String prefix, 6882 PackageParser.ActivityIntentInfo filter) { 6883 out.print(prefix); out.print( 6884 Integer.toHexString(System.identityHashCode(filter.activity))); 6885 out.print(' '); 6886 filter.activity.printComponentShortName(out); 6887 out.print(" filter "); 6888 out.println(Integer.toHexString(System.identityHashCode(filter))); 6889 } 6890 6891// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6892// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6893// final List<ResolveInfo> retList = Lists.newArrayList(); 6894// while (i.hasNext()) { 6895// final ResolveInfo resolveInfo = i.next(); 6896// if (isEnabledLP(resolveInfo.activityInfo)) { 6897// retList.add(resolveInfo); 6898// } 6899// } 6900// return retList; 6901// } 6902 6903 // Keys are String (activity class name), values are Activity. 6904 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6905 = new HashMap<ComponentName, PackageParser.Activity>(); 6906 private int mFlags; 6907 } 6908 6909 private final class ServiceIntentResolver 6910 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6911 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6912 boolean defaultOnly, int userId) { 6913 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6914 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6915 } 6916 6917 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6918 int userId) { 6919 if (!sUserManager.exists(userId)) return null; 6920 mFlags = flags; 6921 return super.queryIntent(intent, resolvedType, 6922 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6923 } 6924 6925 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6926 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6927 if (!sUserManager.exists(userId)) return null; 6928 if (packageServices == null) { 6929 return null; 6930 } 6931 mFlags = flags; 6932 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6933 final int N = packageServices.size(); 6934 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6935 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6936 6937 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6938 for (int i = 0; i < N; ++i) { 6939 intentFilters = packageServices.get(i).intents; 6940 if (intentFilters != null && intentFilters.size() > 0) { 6941 PackageParser.ServiceIntentInfo[] array = 6942 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6943 intentFilters.toArray(array); 6944 listCut.add(array); 6945 } 6946 } 6947 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6948 } 6949 6950 public final void addService(PackageParser.Service s) { 6951 mServices.put(s.getComponentName(), s); 6952 if (DEBUG_SHOW_INFO) { 6953 Log.v(TAG, " " 6954 + (s.info.nonLocalizedLabel != null 6955 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6956 Log.v(TAG, " Class=" + s.info.name); 6957 } 6958 final int NI = s.intents.size(); 6959 int j; 6960 for (j=0; j<NI; j++) { 6961 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6962 if (DEBUG_SHOW_INFO) { 6963 Log.v(TAG, " IntentFilter:"); 6964 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6965 } 6966 if (!intent.debugCheck()) { 6967 Log.w(TAG, "==> For Service " + s.info.name); 6968 } 6969 addFilter(intent); 6970 } 6971 } 6972 6973 public final void removeService(PackageParser.Service s) { 6974 mServices.remove(s.getComponentName()); 6975 if (DEBUG_SHOW_INFO) { 6976 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6977 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6978 Log.v(TAG, " Class=" + s.info.name); 6979 } 6980 final int NI = s.intents.size(); 6981 int j; 6982 for (j=0; j<NI; j++) { 6983 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6984 if (DEBUG_SHOW_INFO) { 6985 Log.v(TAG, " IntentFilter:"); 6986 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6987 } 6988 removeFilter(intent); 6989 } 6990 } 6991 6992 @Override 6993 protected boolean allowFilterResult( 6994 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6995 ServiceInfo filterSi = filter.service.info; 6996 for (int i=dest.size()-1; i>=0; i--) { 6997 ServiceInfo destAi = dest.get(i).serviceInfo; 6998 if (destAi.name == filterSi.name 6999 && destAi.packageName == filterSi.packageName) { 7000 return false; 7001 } 7002 } 7003 return true; 7004 } 7005 7006 @Override 7007 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7008 return new PackageParser.ServiceIntentInfo[size]; 7009 } 7010 7011 @Override 7012 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7013 if (!sUserManager.exists(userId)) return true; 7014 PackageParser.Package p = filter.service.owner; 7015 if (p != null) { 7016 PackageSetting ps = (PackageSetting)p.mExtras; 7017 if (ps != null) { 7018 // System apps are never considered stopped for purposes of 7019 // filtering, because there may be no way for the user to 7020 // actually re-launch them. 7021 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7022 && ps.getStopped(userId); 7023 } 7024 } 7025 return false; 7026 } 7027 7028 @Override 7029 protected boolean isPackageForFilter(String packageName, 7030 PackageParser.ServiceIntentInfo info) { 7031 return packageName.equals(info.service.owner.packageName); 7032 } 7033 7034 @Override 7035 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7036 int match, int userId) { 7037 if (!sUserManager.exists(userId)) return null; 7038 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7039 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7040 return null; 7041 } 7042 final PackageParser.Service service = info.service; 7043 if (mSafeMode && (service.info.applicationInfo.flags 7044 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7045 return null; 7046 } 7047 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7048 if (ps == null) { 7049 return null; 7050 } 7051 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7052 ps.readUserState(userId), userId); 7053 if (si == null) { 7054 return null; 7055 } 7056 final ResolveInfo res = new ResolveInfo(); 7057 res.serviceInfo = si; 7058 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7059 res.filter = filter; 7060 } 7061 res.priority = info.getPriority(); 7062 res.preferredOrder = service.owner.mPreferredOrder; 7063 //System.out.println("Result: " + res.activityInfo.className + 7064 // " = " + res.priority); 7065 res.match = match; 7066 res.isDefault = info.hasDefault; 7067 res.labelRes = info.labelRes; 7068 res.nonLocalizedLabel = info.nonLocalizedLabel; 7069 res.icon = info.icon; 7070 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7071 return res; 7072 } 7073 7074 @Override 7075 protected void sortResults(List<ResolveInfo> results) { 7076 Collections.sort(results, mResolvePrioritySorter); 7077 } 7078 7079 @Override 7080 protected void dumpFilter(PrintWriter out, String prefix, 7081 PackageParser.ServiceIntentInfo filter) { 7082 out.print(prefix); out.print( 7083 Integer.toHexString(System.identityHashCode(filter.service))); 7084 out.print(' '); 7085 filter.service.printComponentShortName(out); 7086 out.print(" filter "); 7087 out.println(Integer.toHexString(System.identityHashCode(filter))); 7088 } 7089 7090// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7091// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7092// final List<ResolveInfo> retList = Lists.newArrayList(); 7093// while (i.hasNext()) { 7094// final ResolveInfo resolveInfo = (ResolveInfo) i; 7095// if (isEnabledLP(resolveInfo.serviceInfo)) { 7096// retList.add(resolveInfo); 7097// } 7098// } 7099// return retList; 7100// } 7101 7102 // Keys are String (activity class name), values are Activity. 7103 private final HashMap<ComponentName, PackageParser.Service> mServices 7104 = new HashMap<ComponentName, PackageParser.Service>(); 7105 private int mFlags; 7106 }; 7107 7108 private final class ProviderIntentResolver 7109 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7110 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7111 boolean defaultOnly, int userId) { 7112 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7113 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7114 } 7115 7116 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7117 int userId) { 7118 if (!sUserManager.exists(userId)) 7119 return null; 7120 mFlags = flags; 7121 return super.queryIntent(intent, resolvedType, 7122 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7123 } 7124 7125 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7126 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7127 if (!sUserManager.exists(userId)) 7128 return null; 7129 if (packageProviders == null) { 7130 return null; 7131 } 7132 mFlags = flags; 7133 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7134 final int N = packageProviders.size(); 7135 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7136 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7137 7138 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7139 for (int i = 0; i < N; ++i) { 7140 intentFilters = packageProviders.get(i).intents; 7141 if (intentFilters != null && intentFilters.size() > 0) { 7142 PackageParser.ProviderIntentInfo[] array = 7143 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7144 intentFilters.toArray(array); 7145 listCut.add(array); 7146 } 7147 } 7148 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7149 } 7150 7151 public final void addProvider(PackageParser.Provider p) { 7152 if (mProviders.containsKey(p.getComponentName())) { 7153 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7154 return; 7155 } 7156 7157 mProviders.put(p.getComponentName(), p); 7158 if (DEBUG_SHOW_INFO) { 7159 Log.v(TAG, " " 7160 + (p.info.nonLocalizedLabel != null 7161 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7162 Log.v(TAG, " Class=" + p.info.name); 7163 } 7164 final int NI = p.intents.size(); 7165 int j; 7166 for (j = 0; j < NI; j++) { 7167 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7168 if (DEBUG_SHOW_INFO) { 7169 Log.v(TAG, " IntentFilter:"); 7170 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7171 } 7172 if (!intent.debugCheck()) { 7173 Log.w(TAG, "==> For Provider " + p.info.name); 7174 } 7175 addFilter(intent); 7176 } 7177 } 7178 7179 public final void removeProvider(PackageParser.Provider p) { 7180 mProviders.remove(p.getComponentName()); 7181 if (DEBUG_SHOW_INFO) { 7182 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7183 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7184 Log.v(TAG, " Class=" + p.info.name); 7185 } 7186 final int NI = p.intents.size(); 7187 int j; 7188 for (j = 0; j < NI; j++) { 7189 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7190 if (DEBUG_SHOW_INFO) { 7191 Log.v(TAG, " IntentFilter:"); 7192 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7193 } 7194 removeFilter(intent); 7195 } 7196 } 7197 7198 @Override 7199 protected boolean allowFilterResult( 7200 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7201 ProviderInfo filterPi = filter.provider.info; 7202 for (int i = dest.size() - 1; i >= 0; i--) { 7203 ProviderInfo destPi = dest.get(i).providerInfo; 7204 if (destPi.name == filterPi.name 7205 && destPi.packageName == filterPi.packageName) { 7206 return false; 7207 } 7208 } 7209 return true; 7210 } 7211 7212 @Override 7213 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7214 return new PackageParser.ProviderIntentInfo[size]; 7215 } 7216 7217 @Override 7218 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7219 if (!sUserManager.exists(userId)) 7220 return true; 7221 PackageParser.Package p = filter.provider.owner; 7222 if (p != null) { 7223 PackageSetting ps = (PackageSetting) p.mExtras; 7224 if (ps != null) { 7225 // System apps are never considered stopped for purposes of 7226 // filtering, because there may be no way for the user to 7227 // actually re-launch them. 7228 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7229 && ps.getStopped(userId); 7230 } 7231 } 7232 return false; 7233 } 7234 7235 @Override 7236 protected boolean isPackageForFilter(String packageName, 7237 PackageParser.ProviderIntentInfo info) { 7238 return packageName.equals(info.provider.owner.packageName); 7239 } 7240 7241 @Override 7242 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7243 int match, int userId) { 7244 if (!sUserManager.exists(userId)) 7245 return null; 7246 final PackageParser.ProviderIntentInfo info = filter; 7247 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7248 return null; 7249 } 7250 final PackageParser.Provider provider = info.provider; 7251 if (mSafeMode && (provider.info.applicationInfo.flags 7252 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7253 return null; 7254 } 7255 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7256 if (ps == null) { 7257 return null; 7258 } 7259 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7260 ps.readUserState(userId), userId); 7261 if (pi == null) { 7262 return null; 7263 } 7264 final ResolveInfo res = new ResolveInfo(); 7265 res.providerInfo = pi; 7266 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7267 res.filter = filter; 7268 } 7269 res.priority = info.getPriority(); 7270 res.preferredOrder = provider.owner.mPreferredOrder; 7271 res.match = match; 7272 res.isDefault = info.hasDefault; 7273 res.labelRes = info.labelRes; 7274 res.nonLocalizedLabel = info.nonLocalizedLabel; 7275 res.icon = info.icon; 7276 res.system = isSystemApp(res.providerInfo.applicationInfo); 7277 return res; 7278 } 7279 7280 @Override 7281 protected void sortResults(List<ResolveInfo> results) { 7282 Collections.sort(results, mResolvePrioritySorter); 7283 } 7284 7285 @Override 7286 protected void dumpFilter(PrintWriter out, String prefix, 7287 PackageParser.ProviderIntentInfo filter) { 7288 out.print(prefix); 7289 out.print( 7290 Integer.toHexString(System.identityHashCode(filter.provider))); 7291 out.print(' '); 7292 filter.provider.printComponentShortName(out); 7293 out.print(" filter "); 7294 out.println(Integer.toHexString(System.identityHashCode(filter))); 7295 } 7296 7297 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7298 = new HashMap<ComponentName, PackageParser.Provider>(); 7299 private int mFlags; 7300 }; 7301 7302 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7303 new Comparator<ResolveInfo>() { 7304 public int compare(ResolveInfo r1, ResolveInfo r2) { 7305 int v1 = r1.priority; 7306 int v2 = r2.priority; 7307 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7308 if (v1 != v2) { 7309 return (v1 > v2) ? -1 : 1; 7310 } 7311 v1 = r1.preferredOrder; 7312 v2 = r2.preferredOrder; 7313 if (v1 != v2) { 7314 return (v1 > v2) ? -1 : 1; 7315 } 7316 if (r1.isDefault != r2.isDefault) { 7317 return r1.isDefault ? -1 : 1; 7318 } 7319 v1 = r1.match; 7320 v2 = r2.match; 7321 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7322 if (v1 != v2) { 7323 return (v1 > v2) ? -1 : 1; 7324 } 7325 if (r1.system != r2.system) { 7326 return r1.system ? -1 : 1; 7327 } 7328 return 0; 7329 } 7330 }; 7331 7332 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7333 new Comparator<ProviderInfo>() { 7334 public int compare(ProviderInfo p1, ProviderInfo p2) { 7335 final int v1 = p1.initOrder; 7336 final int v2 = p2.initOrder; 7337 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7338 } 7339 }; 7340 7341 static final void sendPackageBroadcast(String action, String pkg, 7342 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7343 int[] userIds) { 7344 IActivityManager am = ActivityManagerNative.getDefault(); 7345 if (am != null) { 7346 try { 7347 if (userIds == null) { 7348 userIds = am.getRunningUserIds(); 7349 } 7350 for (int id : userIds) { 7351 final Intent intent = new Intent(action, 7352 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7353 if (extras != null) { 7354 intent.putExtras(extras); 7355 } 7356 if (targetPkg != null) { 7357 intent.setPackage(targetPkg); 7358 } 7359 // Modify the UID when posting to other users 7360 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7361 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7362 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7363 intent.putExtra(Intent.EXTRA_UID, uid); 7364 } 7365 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7366 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7367 if (DEBUG_BROADCASTS) { 7368 RuntimeException here = new RuntimeException("here"); 7369 here.fillInStackTrace(); 7370 Slog.d(TAG, "Sending to user " + id + ": " 7371 + intent.toShortString(false, true, false, false) 7372 + " " + intent.getExtras(), here); 7373 } 7374 am.broadcastIntent(null, intent, null, finishedReceiver, 7375 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7376 finishedReceiver != null, false, id); 7377 } 7378 } catch (RemoteException ex) { 7379 } 7380 } 7381 } 7382 7383 /** 7384 * Check if the external storage media is available. This is true if there 7385 * is a mounted external storage medium or if the external storage is 7386 * emulated. 7387 */ 7388 private boolean isExternalMediaAvailable() { 7389 return mMediaMounted || Environment.isExternalStorageEmulated(); 7390 } 7391 7392 @Override 7393 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7394 // writer 7395 synchronized (mPackages) { 7396 if (!isExternalMediaAvailable()) { 7397 // If the external storage is no longer mounted at this point, 7398 // the caller may not have been able to delete all of this 7399 // packages files and can not delete any more. Bail. 7400 return null; 7401 } 7402 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7403 if (lastPackage != null) { 7404 pkgs.remove(lastPackage); 7405 } 7406 if (pkgs.size() > 0) { 7407 return pkgs.get(0); 7408 } 7409 } 7410 return null; 7411 } 7412 7413 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7414 if (false) { 7415 RuntimeException here = new RuntimeException("here"); 7416 here.fillInStackTrace(); 7417 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7418 + " andCode=" + andCode, here); 7419 } 7420 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7421 userId, andCode ? 1 : 0, packageName)); 7422 } 7423 7424 void startCleaningPackages() { 7425 // reader 7426 synchronized (mPackages) { 7427 if (!isExternalMediaAvailable()) { 7428 return; 7429 } 7430 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7431 return; 7432 } 7433 } 7434 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7435 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7436 IActivityManager am = ActivityManagerNative.getDefault(); 7437 if (am != null) { 7438 try { 7439 am.startService(null, intent, null, UserHandle.USER_OWNER); 7440 } catch (RemoteException e) { 7441 } 7442 } 7443 } 7444 7445 private final class AppDirObserver extends FileObserver { 7446 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7447 super(path, mask); 7448 mRootDir = path; 7449 mIsRom = isrom; 7450 mIsPrivileged = isPrivileged; 7451 } 7452 7453 public void onEvent(int event, String path) { 7454 String removedPackage = null; 7455 int removedAppId = -1; 7456 int[] removedUsers = null; 7457 String addedPackage = null; 7458 int addedAppId = -1; 7459 int[] addedUsers = null; 7460 7461 // TODO post a message to the handler to obtain serial ordering 7462 synchronized (mInstallLock) { 7463 String fullPathStr = null; 7464 File fullPath = null; 7465 if (path != null) { 7466 fullPath = new File(mRootDir, path); 7467 fullPathStr = fullPath.getPath(); 7468 } 7469 7470 if (DEBUG_APP_DIR_OBSERVER) 7471 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7472 7473 if (!isPackageFilename(path)) { 7474 if (DEBUG_APP_DIR_OBSERVER) 7475 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7476 return; 7477 } 7478 7479 // Ignore packages that are being installed or 7480 // have just been installed. 7481 if (ignoreCodePath(fullPathStr)) { 7482 return; 7483 } 7484 PackageParser.Package p = null; 7485 PackageSetting ps = null; 7486 // reader 7487 synchronized (mPackages) { 7488 p = mAppDirs.get(fullPathStr); 7489 if (p != null) { 7490 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7491 if (ps != null) { 7492 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7493 } else { 7494 removedUsers = sUserManager.getUserIds(); 7495 } 7496 } 7497 addedUsers = sUserManager.getUserIds(); 7498 } 7499 if ((event&REMOVE_EVENTS) != 0) { 7500 if (ps != null) { 7501 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7502 removePackageLI(ps, true); 7503 removedPackage = ps.name; 7504 removedAppId = ps.appId; 7505 } 7506 } 7507 7508 if ((event&ADD_EVENTS) != 0) { 7509 if (p == null) { 7510 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7511 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7512 if (mIsRom) { 7513 flags |= PackageParser.PARSE_IS_SYSTEM 7514 | PackageParser.PARSE_IS_SYSTEM_DIR; 7515 if (mIsPrivileged) { 7516 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7517 } 7518 } 7519 p = scanPackageLI(fullPath, flags, 7520 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7521 System.currentTimeMillis(), UserHandle.ALL, null); 7522 if (p != null) { 7523 /* 7524 * TODO this seems dangerous as the package may have 7525 * changed since we last acquired the mPackages 7526 * lock. 7527 */ 7528 // writer 7529 synchronized (mPackages) { 7530 updatePermissionsLPw(p.packageName, p, 7531 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7532 } 7533 addedPackage = p.applicationInfo.packageName; 7534 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7535 } 7536 } 7537 } 7538 7539 // reader 7540 synchronized (mPackages) { 7541 mSettings.writeLPr(); 7542 } 7543 } 7544 7545 if (removedPackage != null) { 7546 Bundle extras = new Bundle(1); 7547 extras.putInt(Intent.EXTRA_UID, removedAppId); 7548 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7549 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7550 extras, null, null, removedUsers); 7551 } 7552 if (addedPackage != null) { 7553 Bundle extras = new Bundle(1); 7554 extras.putInt(Intent.EXTRA_UID, addedAppId); 7555 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7556 extras, null, null, addedUsers); 7557 } 7558 } 7559 7560 private final String mRootDir; 7561 private final boolean mIsRom; 7562 private final boolean mIsPrivileged; 7563 } 7564 7565 /* 7566 * The old-style observer methods all just trampoline to the newer signature with 7567 * expanded install observer API. The older API continues to work but does not 7568 * supply the additional details of the Observer2 API. 7569 */ 7570 7571 /* Called when a downloaded package installation has been confirmed by the user */ 7572 public void installPackage( 7573 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7574 installPackageEtc(packageURI, observer, null, flags, null); 7575 } 7576 7577 /* Called when a downloaded package installation has been confirmed by the user */ 7578 @Override 7579 public void installPackage( 7580 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7581 final String installerPackageName) { 7582 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7583 installerPackageName, null, null, null); 7584 } 7585 7586 @Override 7587 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7588 int flags, String installerPackageName, Uri verificationURI, 7589 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7590 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7591 VerificationParams.NO_UID, manifestDigest); 7592 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7593 installerPackageName, verificationParams, encryptionParams); 7594 } 7595 7596 @Override 7597 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7598 IPackageInstallObserver observer, int flags, String installerPackageName, 7599 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7600 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7601 installerPackageName, verificationParams, encryptionParams); 7602 } 7603 7604 /* 7605 * And here are the "live" versions that take both observer arguments 7606 */ 7607 public void installPackageEtc( 7608 final Uri packageURI, final IPackageInstallObserver observer, 7609 IPackageInstallObserver2 observer2, final int flags) { 7610 installPackageEtc(packageURI, observer, observer2, flags, null); 7611 } 7612 7613 public void installPackageEtc( 7614 final Uri packageURI, final IPackageInstallObserver observer, 7615 final IPackageInstallObserver2 observer2, final int flags, 7616 final String installerPackageName) { 7617 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7618 installerPackageName, null, null, null); 7619 } 7620 7621 @Override 7622 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7623 IPackageInstallObserver2 observer2, 7624 int flags, String installerPackageName, Uri verificationURI, 7625 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7626 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7627 VerificationParams.NO_UID, manifestDigest); 7628 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7629 installerPackageName, verificationParams, encryptionParams); 7630 } 7631 7632 /* 7633 * All of the installPackage...*() methods redirect to this one for the master implementation 7634 */ 7635 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7636 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7637 int flags, String installerPackageName, 7638 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7639 if (observer == null && observer2 == null) { 7640 throw new IllegalArgumentException("No install observer supplied"); 7641 } 7642 installPackageWithVerificationEncryptionAndAbiOverrideEtc(packageURI, observer, observer2, 7643 flags, installerPackageName, verificationParams, encryptionParams, null); 7644 } 7645 7646 @Override 7647 public void installPackageWithVerificationEncryptionAndAbiOverrideEtc(Uri packageURI, 7648 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7649 int flags, String installerPackageName, 7650 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7651 String packageAbiOverride) { 7652 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7653 null); 7654 7655 final int uid = Binder.getCallingUid(); 7656 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7657 try { 7658 if (observer != null) { 7659 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7660 } 7661 if (observer2 != null) { 7662 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7663 } 7664 } catch (RemoteException re) { 7665 } 7666 return; 7667 } 7668 7669 UserHandle user; 7670 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7671 user = UserHandle.ALL; 7672 } else { 7673 user = new UserHandle(UserHandle.getUserId(uid)); 7674 } 7675 7676 final int filteredFlags; 7677 7678 if (uid == Process.SHELL_UID || uid == 0) { 7679 if (DEBUG_INSTALL) { 7680 Slog.v(TAG, "Install from ADB"); 7681 } 7682 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7683 } else { 7684 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7685 } 7686 7687 verificationParams.setInstallerUid(uid); 7688 7689 final Message msg = mHandler.obtainMessage(INIT_COPY); 7690 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7691 installerPackageName, verificationParams, encryptionParams, user, 7692 packageAbiOverride); 7693 mHandler.sendMessage(msg); 7694 } 7695 7696 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7697 Bundle extras = new Bundle(1); 7698 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7699 7700 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7701 packageName, extras, null, null, new int[] {userId}); 7702 try { 7703 IActivityManager am = ActivityManagerNative.getDefault(); 7704 final boolean isSystem = 7705 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7706 if (isSystem && am.isUserRunning(userId, false)) { 7707 // The just-installed/enabled app is bundled on the system, so presumed 7708 // to be able to run automatically without needing an explicit launch. 7709 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7710 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7711 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7712 .setPackage(packageName); 7713 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7714 android.app.AppOpsManager.OP_NONE, false, false, userId); 7715 } 7716 } catch (RemoteException e) { 7717 // shouldn't happen 7718 Slog.w(TAG, "Unable to bootstrap installed package", e); 7719 } 7720 } 7721 7722 @Override 7723 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7724 int userId) { 7725 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7726 PackageSetting pkgSetting; 7727 final int uid = Binder.getCallingUid(); 7728 if (UserHandle.getUserId(uid) != userId) { 7729 mContext.enforceCallingOrSelfPermission( 7730 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7731 "setApplicationBlockedSetting for user " + userId); 7732 } 7733 7734 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7735 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7736 return false; 7737 } 7738 7739 long callingId = Binder.clearCallingIdentity(); 7740 try { 7741 boolean sendAdded = false; 7742 boolean sendRemoved = false; 7743 // writer 7744 synchronized (mPackages) { 7745 pkgSetting = mSettings.mPackages.get(packageName); 7746 if (pkgSetting == null) { 7747 return false; 7748 } 7749 if (pkgSetting.getBlocked(userId) != blocked) { 7750 pkgSetting.setBlocked(blocked, userId); 7751 mSettings.writePackageRestrictionsLPr(userId); 7752 if (blocked) { 7753 sendRemoved = true; 7754 } else { 7755 sendAdded = true; 7756 } 7757 } 7758 } 7759 if (sendAdded) { 7760 sendPackageAddedForUser(packageName, pkgSetting, userId); 7761 return true; 7762 } 7763 if (sendRemoved) { 7764 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7765 "blocking pkg"); 7766 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7767 } 7768 } finally { 7769 Binder.restoreCallingIdentity(callingId); 7770 } 7771 return false; 7772 } 7773 7774 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7775 int userId) { 7776 final PackageRemovedInfo info = new PackageRemovedInfo(); 7777 info.removedPackage = packageName; 7778 info.removedUsers = new int[] {userId}; 7779 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7780 info.sendBroadcast(false, false, false); 7781 } 7782 7783 /** 7784 * Returns true if application is not found or there was an error. Otherwise it returns 7785 * the blocked state of the package for the given user. 7786 */ 7787 @Override 7788 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7789 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7790 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7791 "getApplicationBlocked for user " + userId); 7792 PackageSetting pkgSetting; 7793 long callingId = Binder.clearCallingIdentity(); 7794 try { 7795 // writer 7796 synchronized (mPackages) { 7797 pkgSetting = mSettings.mPackages.get(packageName); 7798 if (pkgSetting == null) { 7799 return true; 7800 } 7801 return pkgSetting.getBlocked(userId); 7802 } 7803 } finally { 7804 Binder.restoreCallingIdentity(callingId); 7805 } 7806 } 7807 7808 void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer, 7809 int flags) { 7810 // TODO: install stage! 7811 try { 7812 observer.packageInstalled(basePackageName, null, 7813 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7814 } catch (RemoteException ignored) { 7815 } 7816 } 7817 7818 /** 7819 * @hide 7820 */ 7821 @Override 7822 public int installExistingPackageAsUser(String packageName, int userId) { 7823 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7824 null); 7825 PackageSetting pkgSetting; 7826 final int uid = Binder.getCallingUid(); 7827 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7828 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7829 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7830 } 7831 7832 long callingId = Binder.clearCallingIdentity(); 7833 try { 7834 boolean sendAdded = false; 7835 Bundle extras = new Bundle(1); 7836 7837 // writer 7838 synchronized (mPackages) { 7839 pkgSetting = mSettings.mPackages.get(packageName); 7840 if (pkgSetting == null) { 7841 return PackageManager.INSTALL_FAILED_INVALID_URI; 7842 } 7843 if (!pkgSetting.getInstalled(userId)) { 7844 pkgSetting.setInstalled(true, userId); 7845 pkgSetting.setBlocked(false, userId); 7846 mSettings.writePackageRestrictionsLPr(userId); 7847 sendAdded = true; 7848 } 7849 } 7850 7851 if (sendAdded) { 7852 sendPackageAddedForUser(packageName, pkgSetting, userId); 7853 } 7854 } finally { 7855 Binder.restoreCallingIdentity(callingId); 7856 } 7857 7858 return PackageManager.INSTALL_SUCCEEDED; 7859 } 7860 7861 boolean isUserRestricted(int userId, String restrictionKey) { 7862 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7863 if (restrictions.getBoolean(restrictionKey, false)) { 7864 Log.w(TAG, "User is restricted: " + restrictionKey); 7865 return true; 7866 } 7867 return false; 7868 } 7869 7870 @Override 7871 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7872 mContext.enforceCallingOrSelfPermission( 7873 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7874 "Only package verification agents can verify applications"); 7875 7876 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7877 final PackageVerificationResponse response = new PackageVerificationResponse( 7878 verificationCode, Binder.getCallingUid()); 7879 msg.arg1 = id; 7880 msg.obj = response; 7881 mHandler.sendMessage(msg); 7882 } 7883 7884 @Override 7885 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7886 long millisecondsToDelay) { 7887 mContext.enforceCallingOrSelfPermission( 7888 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7889 "Only package verification agents can extend verification timeouts"); 7890 7891 final PackageVerificationState state = mPendingVerification.get(id); 7892 final PackageVerificationResponse response = new PackageVerificationResponse( 7893 verificationCodeAtTimeout, Binder.getCallingUid()); 7894 7895 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7896 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7897 } 7898 if (millisecondsToDelay < 0) { 7899 millisecondsToDelay = 0; 7900 } 7901 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7902 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7903 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7904 } 7905 7906 if ((state != null) && !state.timeoutExtended()) { 7907 state.extendTimeout(); 7908 7909 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7910 msg.arg1 = id; 7911 msg.obj = response; 7912 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7913 } 7914 } 7915 7916 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7917 int verificationCode, UserHandle user) { 7918 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7919 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7920 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7921 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7922 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7923 7924 mContext.sendBroadcastAsUser(intent, user, 7925 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7926 } 7927 7928 private ComponentName matchComponentForVerifier(String packageName, 7929 List<ResolveInfo> receivers) { 7930 ActivityInfo targetReceiver = null; 7931 7932 final int NR = receivers.size(); 7933 for (int i = 0; i < NR; i++) { 7934 final ResolveInfo info = receivers.get(i); 7935 if (info.activityInfo == null) { 7936 continue; 7937 } 7938 7939 if (packageName.equals(info.activityInfo.packageName)) { 7940 targetReceiver = info.activityInfo; 7941 break; 7942 } 7943 } 7944 7945 if (targetReceiver == null) { 7946 return null; 7947 } 7948 7949 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7950 } 7951 7952 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7953 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7954 if (pkgInfo.verifiers.length == 0) { 7955 return null; 7956 } 7957 7958 final int N = pkgInfo.verifiers.length; 7959 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7960 for (int i = 0; i < N; i++) { 7961 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7962 7963 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7964 receivers); 7965 if (comp == null) { 7966 continue; 7967 } 7968 7969 final int verifierUid = getUidForVerifier(verifierInfo); 7970 if (verifierUid == -1) { 7971 continue; 7972 } 7973 7974 if (DEBUG_VERIFY) { 7975 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7976 + " with the correct signature"); 7977 } 7978 sufficientVerifiers.add(comp); 7979 verificationState.addSufficientVerifier(verifierUid); 7980 } 7981 7982 return sufficientVerifiers; 7983 } 7984 7985 private int getUidForVerifier(VerifierInfo verifierInfo) { 7986 synchronized (mPackages) { 7987 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7988 if (pkg == null) { 7989 return -1; 7990 } else if (pkg.mSignatures.length != 1) { 7991 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7992 + " has more than one signature; ignoring"); 7993 return -1; 7994 } 7995 7996 /* 7997 * If the public key of the package's signature does not match 7998 * our expected public key, then this is a different package and 7999 * we should skip. 8000 */ 8001 8002 final byte[] expectedPublicKey; 8003 try { 8004 final Signature verifierSig = pkg.mSignatures[0]; 8005 final PublicKey publicKey = verifierSig.getPublicKey(); 8006 expectedPublicKey = publicKey.getEncoded(); 8007 } catch (CertificateException e) { 8008 return -1; 8009 } 8010 8011 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8012 8013 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8014 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8015 + " does not have the expected public key; ignoring"); 8016 return -1; 8017 } 8018 8019 return pkg.applicationInfo.uid; 8020 } 8021 } 8022 8023 @Override 8024 public void finishPackageInstall(int token) { 8025 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8026 8027 if (DEBUG_INSTALL) { 8028 Slog.v(TAG, "BM finishing package install for " + token); 8029 } 8030 8031 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8032 mHandler.sendMessage(msg); 8033 } 8034 8035 /** 8036 * Get the verification agent timeout. 8037 * 8038 * @return verification timeout in milliseconds 8039 */ 8040 private long getVerificationTimeout() { 8041 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8042 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8043 DEFAULT_VERIFICATION_TIMEOUT); 8044 } 8045 8046 /** 8047 * Get the default verification agent response code. 8048 * 8049 * @return default verification response code 8050 */ 8051 private int getDefaultVerificationResponse() { 8052 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8053 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8054 DEFAULT_VERIFICATION_RESPONSE); 8055 } 8056 8057 /** 8058 * Check whether or not package verification has been enabled. 8059 * 8060 * @return true if verification should be performed 8061 */ 8062 private boolean isVerificationEnabled(int flags) { 8063 if (!DEFAULT_VERIFY_ENABLE) { 8064 return false; 8065 } 8066 8067 // Check if installing from ADB 8068 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8069 // Do not run verification in a test harness environment 8070 if (ActivityManager.isRunningInTestHarness()) { 8071 return false; 8072 } 8073 // Check if the developer does not want package verification for ADB installs 8074 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8075 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8076 return false; 8077 } 8078 } 8079 8080 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8081 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8082 } 8083 8084 /** 8085 * Get the "allow unknown sources" setting. 8086 * 8087 * @return the current "allow unknown sources" setting 8088 */ 8089 private int getUnknownSourcesSettings() { 8090 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8091 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8092 -1); 8093 } 8094 8095 @Override 8096 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8097 final int uid = Binder.getCallingUid(); 8098 // writer 8099 synchronized (mPackages) { 8100 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8101 if (targetPackageSetting == null) { 8102 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8103 } 8104 8105 PackageSetting installerPackageSetting; 8106 if (installerPackageName != null) { 8107 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8108 if (installerPackageSetting == null) { 8109 throw new IllegalArgumentException("Unknown installer package: " 8110 + installerPackageName); 8111 } 8112 } else { 8113 installerPackageSetting = null; 8114 } 8115 8116 Signature[] callerSignature; 8117 Object obj = mSettings.getUserIdLPr(uid); 8118 if (obj != null) { 8119 if (obj instanceof SharedUserSetting) { 8120 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8121 } else if (obj instanceof PackageSetting) { 8122 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8123 } else { 8124 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8125 } 8126 } else { 8127 throw new SecurityException("Unknown calling uid " + uid); 8128 } 8129 8130 // Verify: can't set installerPackageName to a package that is 8131 // not signed with the same cert as the caller. 8132 if (installerPackageSetting != null) { 8133 if (compareSignatures(callerSignature, 8134 installerPackageSetting.signatures.mSignatures) 8135 != PackageManager.SIGNATURE_MATCH) { 8136 throw new SecurityException( 8137 "Caller does not have same cert as new installer package " 8138 + installerPackageName); 8139 } 8140 } 8141 8142 // Verify: if target already has an installer package, it must 8143 // be signed with the same cert as the caller. 8144 if (targetPackageSetting.installerPackageName != null) { 8145 PackageSetting setting = mSettings.mPackages.get( 8146 targetPackageSetting.installerPackageName); 8147 // If the currently set package isn't valid, then it's always 8148 // okay to change it. 8149 if (setting != null) { 8150 if (compareSignatures(callerSignature, 8151 setting.signatures.mSignatures) 8152 != PackageManager.SIGNATURE_MATCH) { 8153 throw new SecurityException( 8154 "Caller does not have same cert as old installer package " 8155 + targetPackageSetting.installerPackageName); 8156 } 8157 } 8158 } 8159 8160 // Okay! 8161 targetPackageSetting.installerPackageName = installerPackageName; 8162 scheduleWriteSettingsLocked(); 8163 } 8164 } 8165 8166 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8167 // Queue up an async operation since the package installation may take a little while. 8168 mHandler.post(new Runnable() { 8169 public void run() { 8170 mHandler.removeCallbacks(this); 8171 // Result object to be returned 8172 PackageInstalledInfo res = new PackageInstalledInfo(); 8173 res.returnCode = currentStatus; 8174 res.uid = -1; 8175 res.pkg = null; 8176 res.removedInfo = new PackageRemovedInfo(); 8177 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8178 args.doPreInstall(res.returnCode); 8179 synchronized (mInstallLock) { 8180 installPackageLI(args, true, res); 8181 } 8182 args.doPostInstall(res.returnCode, res.uid); 8183 } 8184 8185 // A restore should be performed at this point if (a) the install 8186 // succeeded, (b) the operation is not an update, and (c) the new 8187 // package has a backupAgent defined. 8188 final boolean update = res.removedInfo.removedPackage != null; 8189 boolean doRestore = (!update 8190 && res.pkg != null 8191 && res.pkg.applicationInfo.backupAgentName != null); 8192 8193 // Set up the post-install work request bookkeeping. This will be used 8194 // and cleaned up by the post-install event handling regardless of whether 8195 // there's a restore pass performed. Token values are >= 1. 8196 int token; 8197 if (mNextInstallToken < 0) mNextInstallToken = 1; 8198 token = mNextInstallToken++; 8199 8200 PostInstallData data = new PostInstallData(args, res); 8201 mRunningInstalls.put(token, data); 8202 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8203 8204 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8205 // Pass responsibility to the Backup Manager. It will perform a 8206 // restore if appropriate, then pass responsibility back to the 8207 // Package Manager to run the post-install observer callbacks 8208 // and broadcasts. 8209 IBackupManager bm = IBackupManager.Stub.asInterface( 8210 ServiceManager.getService(Context.BACKUP_SERVICE)); 8211 if (bm != null) { 8212 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8213 + " to BM for possible restore"); 8214 try { 8215 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8216 } catch (RemoteException e) { 8217 // can't happen; the backup manager is local 8218 } catch (Exception e) { 8219 Slog.e(TAG, "Exception trying to enqueue restore", e); 8220 doRestore = false; 8221 } 8222 } else { 8223 Slog.e(TAG, "Backup Manager not found!"); 8224 doRestore = false; 8225 } 8226 } 8227 8228 if (!doRestore) { 8229 // No restore possible, or the Backup Manager was mysteriously not 8230 // available -- just fire the post-install work request directly. 8231 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8232 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8233 mHandler.sendMessage(msg); 8234 } 8235 } 8236 }); 8237 } 8238 8239 private abstract class HandlerParams { 8240 private static final int MAX_RETRIES = 4; 8241 8242 /** 8243 * Number of times startCopy() has been attempted and had a non-fatal 8244 * error. 8245 */ 8246 private int mRetries = 0; 8247 8248 /** User handle for the user requesting the information or installation. */ 8249 private final UserHandle mUser; 8250 8251 HandlerParams(UserHandle user) { 8252 mUser = user; 8253 } 8254 8255 UserHandle getUser() { 8256 return mUser; 8257 } 8258 8259 final boolean startCopy() { 8260 boolean res; 8261 try { 8262 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8263 8264 if (++mRetries > MAX_RETRIES) { 8265 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8266 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8267 handleServiceError(); 8268 return false; 8269 } else { 8270 handleStartCopy(); 8271 res = true; 8272 } 8273 } catch (RemoteException e) { 8274 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8275 mHandler.sendEmptyMessage(MCS_RECONNECT); 8276 res = false; 8277 } 8278 handleReturnCode(); 8279 return res; 8280 } 8281 8282 final void serviceError() { 8283 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8284 handleServiceError(); 8285 handleReturnCode(); 8286 } 8287 8288 abstract void handleStartCopy() throws RemoteException; 8289 abstract void handleServiceError(); 8290 abstract void handleReturnCode(); 8291 } 8292 8293 class MeasureParams extends HandlerParams { 8294 private final PackageStats mStats; 8295 private boolean mSuccess; 8296 8297 private final IPackageStatsObserver mObserver; 8298 8299 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8300 super(new UserHandle(stats.userHandle)); 8301 mObserver = observer; 8302 mStats = stats; 8303 } 8304 8305 @Override 8306 public String toString() { 8307 return "MeasureParams{" 8308 + Integer.toHexString(System.identityHashCode(this)) 8309 + " " + mStats.packageName + "}"; 8310 } 8311 8312 @Override 8313 void handleStartCopy() throws RemoteException { 8314 synchronized (mInstallLock) { 8315 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8316 } 8317 8318 if (mSuccess) { 8319 final boolean mounted; 8320 if (Environment.isExternalStorageEmulated()) { 8321 mounted = true; 8322 } else { 8323 final String status = Environment.getExternalStorageState(); 8324 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8325 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8326 } 8327 8328 if (mounted) { 8329 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8330 8331 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8332 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8333 8334 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8335 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8336 8337 // Always subtract cache size, since it's a subdirectory 8338 mStats.externalDataSize -= mStats.externalCacheSize; 8339 8340 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8341 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8342 8343 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8344 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8345 } 8346 } 8347 } 8348 8349 @Override 8350 void handleReturnCode() { 8351 if (mObserver != null) { 8352 try { 8353 mObserver.onGetStatsCompleted(mStats, mSuccess); 8354 } catch (RemoteException e) { 8355 Slog.i(TAG, "Observer no longer exists."); 8356 } 8357 } 8358 } 8359 8360 @Override 8361 void handleServiceError() { 8362 Slog.e(TAG, "Could not measure application " + mStats.packageName 8363 + " external storage"); 8364 } 8365 } 8366 8367 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8368 throws RemoteException { 8369 long result = 0; 8370 for (File path : paths) { 8371 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8372 } 8373 return result; 8374 } 8375 8376 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8377 for (File path : paths) { 8378 try { 8379 mcs.clearDirectory(path.getAbsolutePath()); 8380 } catch (RemoteException e) { 8381 } 8382 } 8383 } 8384 8385 class InstallParams extends HandlerParams { 8386 final IPackageInstallObserver observer; 8387 final IPackageInstallObserver2 observer2; 8388 int flags; 8389 8390 private final Uri mPackageURI; 8391 final String installerPackageName; 8392 final VerificationParams verificationParams; 8393 private InstallArgs mArgs; 8394 private int mRet; 8395 private File mTempPackage; 8396 final ContainerEncryptionParams encryptionParams; 8397 final String packageAbiOverride; 8398 final String packageInstructionSetOverride; 8399 8400 InstallParams(Uri packageURI, 8401 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8402 int flags, String installerPackageName, VerificationParams verificationParams, 8403 ContainerEncryptionParams encryptionParams, UserHandle user, 8404 String packageAbiOverride) { 8405 super(user); 8406 this.mPackageURI = packageURI; 8407 this.flags = flags; 8408 this.observer = observer; 8409 this.observer2 = observer2; 8410 this.installerPackageName = installerPackageName; 8411 this.verificationParams = verificationParams; 8412 this.encryptionParams = encryptionParams; 8413 this.packageAbiOverride = packageAbiOverride; 8414 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8415 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8416 } 8417 8418 @Override 8419 public String toString() { 8420 return "InstallParams{" 8421 + Integer.toHexString(System.identityHashCode(this)) 8422 + " " + mPackageURI + "}"; 8423 } 8424 8425 public ManifestDigest getManifestDigest() { 8426 if (verificationParams == null) { 8427 return null; 8428 } 8429 return verificationParams.getManifestDigest(); 8430 } 8431 8432 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8433 String packageName = pkgLite.packageName; 8434 int installLocation = pkgLite.installLocation; 8435 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8436 // reader 8437 synchronized (mPackages) { 8438 PackageParser.Package pkg = mPackages.get(packageName); 8439 if (pkg != null) { 8440 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8441 // Check for downgrading. 8442 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8443 if (pkgLite.versionCode < pkg.mVersionCode) { 8444 Slog.w(TAG, "Can't install update of " + packageName 8445 + " update version " + pkgLite.versionCode 8446 + " is older than installed version " 8447 + pkg.mVersionCode); 8448 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8449 } 8450 } 8451 // Check for updated system application. 8452 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8453 if (onSd) { 8454 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8455 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8456 } 8457 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8458 } else { 8459 if (onSd) { 8460 // Install flag overrides everything. 8461 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8462 } 8463 // If current upgrade specifies particular preference 8464 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8465 // Application explicitly specified internal. 8466 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8467 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8468 // App explictly prefers external. Let policy decide 8469 } else { 8470 // Prefer previous location 8471 if (isExternal(pkg)) { 8472 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8473 } 8474 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8475 } 8476 } 8477 } else { 8478 // Invalid install. Return error code 8479 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8480 } 8481 } 8482 } 8483 // All the special cases have been taken care of. 8484 // Return result based on recommended install location. 8485 if (onSd) { 8486 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8487 } 8488 return pkgLite.recommendedInstallLocation; 8489 } 8490 8491 private long getMemoryLowThreshold() { 8492 final DeviceStorageMonitorInternal 8493 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8494 if (dsm == null) { 8495 return 0L; 8496 } 8497 return dsm.getMemoryLowThreshold(); 8498 } 8499 8500 /* 8501 * Invoke remote method to get package information and install 8502 * location values. Override install location based on default 8503 * policy if needed and then create install arguments based 8504 * on the install location. 8505 */ 8506 public void handleStartCopy() throws RemoteException { 8507 int ret = PackageManager.INSTALL_SUCCEEDED; 8508 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8509 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8510 PackageInfoLite pkgLite = null; 8511 8512 if (onInt && onSd) { 8513 // Check if both bits are set. 8514 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8515 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8516 } else { 8517 final long lowThreshold = getMemoryLowThreshold(); 8518 if (lowThreshold == 0L) { 8519 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8520 } 8521 8522 try { 8523 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8524 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8525 8526 final File packageFile; 8527 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8528 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8529 if (mTempPackage != null) { 8530 ParcelFileDescriptor out; 8531 try { 8532 out = ParcelFileDescriptor.open(mTempPackage, 8533 ParcelFileDescriptor.MODE_READ_WRITE); 8534 } catch (FileNotFoundException e) { 8535 out = null; 8536 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8537 } 8538 8539 // Make a temporary file for decryption. 8540 ret = mContainerService 8541 .copyResource(mPackageURI, encryptionParams, out); 8542 IoUtils.closeQuietly(out); 8543 8544 packageFile = mTempPackage; 8545 8546 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8547 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8548 | FileUtils.S_IROTH, 8549 -1, -1); 8550 } else { 8551 packageFile = null; 8552 } 8553 } else { 8554 packageFile = new File(mPackageURI.getPath()); 8555 } 8556 8557 if (packageFile != null) { 8558 // Remote call to find out default install location 8559 final String packageFilePath = packageFile.getAbsolutePath(); 8560 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8561 lowThreshold, packageAbiOverride); 8562 8563 /* 8564 * If we have too little free space, try to free cache 8565 * before giving up. 8566 */ 8567 if (pkgLite.recommendedInstallLocation 8568 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8569 final long size = mContainerService.calculateInstalledSize( 8570 packageFilePath, isForwardLocked(), packageAbiOverride); 8571 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8572 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8573 flags, lowThreshold, packageAbiOverride); 8574 } 8575 /* 8576 * The cache free must have deleted the file we 8577 * downloaded to install. 8578 * 8579 * TODO: fix the "freeCache" call to not delete 8580 * the file we care about. 8581 */ 8582 if (pkgLite.recommendedInstallLocation 8583 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8584 pkgLite.recommendedInstallLocation 8585 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8586 } 8587 } 8588 } 8589 } finally { 8590 mContext.revokeUriPermission(mPackageURI, 8591 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8592 } 8593 } 8594 8595 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8596 int loc = pkgLite.recommendedInstallLocation; 8597 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8598 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8599 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8600 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8601 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8602 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8603 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8604 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8605 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8606 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8607 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8608 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8609 } else { 8610 // Override with defaults if needed. 8611 loc = installLocationPolicy(pkgLite, flags); 8612 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8613 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8614 } else if (!onSd && !onInt) { 8615 // Override install location with flags 8616 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8617 // Set the flag to install on external media. 8618 flags |= PackageManager.INSTALL_EXTERNAL; 8619 flags &= ~PackageManager.INSTALL_INTERNAL; 8620 } else { 8621 // Make sure the flag for installing on external 8622 // media is unset 8623 flags |= PackageManager.INSTALL_INTERNAL; 8624 flags &= ~PackageManager.INSTALL_EXTERNAL; 8625 } 8626 } 8627 } 8628 } 8629 8630 final InstallArgs args = createInstallArgs(this); 8631 mArgs = args; 8632 8633 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8634 /* 8635 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8636 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8637 */ 8638 int userIdentifier = getUser().getIdentifier(); 8639 if (userIdentifier == UserHandle.USER_ALL 8640 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8641 userIdentifier = UserHandle.USER_OWNER; 8642 } 8643 8644 /* 8645 * Determine if we have any installed package verifiers. If we 8646 * do, then we'll defer to them to verify the packages. 8647 */ 8648 final int requiredUid = mRequiredVerifierPackage == null ? -1 8649 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8650 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8651 final Intent verification = new Intent( 8652 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8653 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8654 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8655 8656 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8657 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8658 0 /* TODO: Which userId? */); 8659 8660 if (DEBUG_VERIFY) { 8661 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8662 + verification.toString() + " with " + pkgLite.verifiers.length 8663 + " optional verifiers"); 8664 } 8665 8666 final int verificationId = mPendingVerificationToken++; 8667 8668 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8669 8670 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8671 installerPackageName); 8672 8673 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8674 8675 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8676 pkgLite.packageName); 8677 8678 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8679 pkgLite.versionCode); 8680 8681 if (verificationParams != null) { 8682 if (verificationParams.getVerificationURI() != null) { 8683 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8684 verificationParams.getVerificationURI()); 8685 } 8686 if (verificationParams.getOriginatingURI() != null) { 8687 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8688 verificationParams.getOriginatingURI()); 8689 } 8690 if (verificationParams.getReferrer() != null) { 8691 verification.putExtra(Intent.EXTRA_REFERRER, 8692 verificationParams.getReferrer()); 8693 } 8694 if (verificationParams.getOriginatingUid() >= 0) { 8695 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8696 verificationParams.getOriginatingUid()); 8697 } 8698 if (verificationParams.getInstallerUid() >= 0) { 8699 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8700 verificationParams.getInstallerUid()); 8701 } 8702 } 8703 8704 final PackageVerificationState verificationState = new PackageVerificationState( 8705 requiredUid, args); 8706 8707 mPendingVerification.append(verificationId, verificationState); 8708 8709 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8710 receivers, verificationState); 8711 8712 /* 8713 * If any sufficient verifiers were listed in the package 8714 * manifest, attempt to ask them. 8715 */ 8716 if (sufficientVerifiers != null) { 8717 final int N = sufficientVerifiers.size(); 8718 if (N == 0) { 8719 Slog.i(TAG, "Additional verifiers required, but none installed."); 8720 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8721 } else { 8722 for (int i = 0; i < N; i++) { 8723 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8724 8725 final Intent sufficientIntent = new Intent(verification); 8726 sufficientIntent.setComponent(verifierComponent); 8727 8728 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8729 } 8730 } 8731 } 8732 8733 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8734 mRequiredVerifierPackage, receivers); 8735 if (ret == PackageManager.INSTALL_SUCCEEDED 8736 && mRequiredVerifierPackage != null) { 8737 /* 8738 * Send the intent to the required verification agent, 8739 * but only start the verification timeout after the 8740 * target BroadcastReceivers have run. 8741 */ 8742 verification.setComponent(requiredVerifierComponent); 8743 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8744 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8745 new BroadcastReceiver() { 8746 @Override 8747 public void onReceive(Context context, Intent intent) { 8748 final Message msg = mHandler 8749 .obtainMessage(CHECK_PENDING_VERIFICATION); 8750 msg.arg1 = verificationId; 8751 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8752 } 8753 }, null, 0, null, null); 8754 8755 /* 8756 * We don't want the copy to proceed until verification 8757 * succeeds, so null out this field. 8758 */ 8759 mArgs = null; 8760 } 8761 } else { 8762 /* 8763 * No package verification is enabled, so immediately start 8764 * the remote call to initiate copy using temporary file. 8765 */ 8766 ret = args.copyApk(mContainerService, true); 8767 } 8768 } 8769 8770 mRet = ret; 8771 } 8772 8773 @Override 8774 void handleReturnCode() { 8775 // If mArgs is null, then MCS couldn't be reached. When it 8776 // reconnects, it will try again to install. At that point, this 8777 // will succeed. 8778 if (mArgs != null) { 8779 processPendingInstall(mArgs, mRet); 8780 8781 if (mTempPackage != null) { 8782 if (!mTempPackage.delete()) { 8783 Slog.w(TAG, "Couldn't delete temporary file: " + 8784 mTempPackage.getAbsolutePath()); 8785 } 8786 } 8787 } 8788 } 8789 8790 @Override 8791 void handleServiceError() { 8792 mArgs = createInstallArgs(this); 8793 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8794 } 8795 8796 public boolean isForwardLocked() { 8797 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8798 } 8799 8800 public Uri getPackageUri() { 8801 if (mTempPackage != null) { 8802 return Uri.fromFile(mTempPackage); 8803 } else { 8804 return mPackageURI; 8805 } 8806 } 8807 } 8808 8809 /* 8810 * Utility class used in movePackage api. 8811 * srcArgs and targetArgs are not set for invalid flags and make 8812 * sure to do null checks when invoking methods on them. 8813 * We probably want to return ErrorPrams for both failed installs 8814 * and moves. 8815 */ 8816 class MoveParams extends HandlerParams { 8817 final IPackageMoveObserver observer; 8818 final int flags; 8819 final String packageName; 8820 final InstallArgs srcArgs; 8821 final InstallArgs targetArgs; 8822 int uid; 8823 int mRet; 8824 8825 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8826 String packageName, String dataDir, String instructionSet, 8827 int uid, UserHandle user) { 8828 super(user); 8829 this.srcArgs = srcArgs; 8830 this.observer = observer; 8831 this.flags = flags; 8832 this.packageName = packageName; 8833 this.uid = uid; 8834 if (srcArgs != null) { 8835 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8836 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8837 } else { 8838 targetArgs = null; 8839 } 8840 } 8841 8842 @Override 8843 public String toString() { 8844 return "MoveParams{" 8845 + Integer.toHexString(System.identityHashCode(this)) 8846 + " " + packageName + "}"; 8847 } 8848 8849 public void handleStartCopy() throws RemoteException { 8850 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8851 // Check for storage space on target medium 8852 if (!targetArgs.checkFreeStorage(mContainerService)) { 8853 Log.w(TAG, "Insufficient storage to install"); 8854 return; 8855 } 8856 8857 mRet = srcArgs.doPreCopy(); 8858 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8859 return; 8860 } 8861 8862 mRet = targetArgs.copyApk(mContainerService, false); 8863 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8864 srcArgs.doPostCopy(uid); 8865 return; 8866 } 8867 8868 mRet = srcArgs.doPostCopy(uid); 8869 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8870 return; 8871 } 8872 8873 mRet = targetArgs.doPreInstall(mRet); 8874 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8875 return; 8876 } 8877 8878 if (DEBUG_SD_INSTALL) { 8879 StringBuilder builder = new StringBuilder(); 8880 if (srcArgs != null) { 8881 builder.append("src: "); 8882 builder.append(srcArgs.getCodePath()); 8883 } 8884 if (targetArgs != null) { 8885 builder.append(" target : "); 8886 builder.append(targetArgs.getCodePath()); 8887 } 8888 Log.i(TAG, builder.toString()); 8889 } 8890 } 8891 8892 @Override 8893 void handleReturnCode() { 8894 targetArgs.doPostInstall(mRet, uid); 8895 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8896 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8897 currentStatus = PackageManager.MOVE_SUCCEEDED; 8898 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8899 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8900 } 8901 processPendingMove(this, currentStatus); 8902 } 8903 8904 @Override 8905 void handleServiceError() { 8906 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8907 } 8908 } 8909 8910 /** 8911 * Used during creation of InstallArgs 8912 * 8913 * @param flags package installation flags 8914 * @return true if should be installed on external storage 8915 */ 8916 private static boolean installOnSd(int flags) { 8917 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8918 return false; 8919 } 8920 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8921 return true; 8922 } 8923 return false; 8924 } 8925 8926 /** 8927 * Used during creation of InstallArgs 8928 * 8929 * @param flags package installation flags 8930 * @return true if should be installed as forward locked 8931 */ 8932 private static boolean installForwardLocked(int flags) { 8933 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8934 } 8935 8936 private InstallArgs createInstallArgs(InstallParams params) { 8937 if (installOnSd(params.flags) || params.isForwardLocked()) { 8938 return new AsecInstallArgs(params); 8939 } else { 8940 return new FileInstallArgs(params); 8941 } 8942 } 8943 8944 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8945 String nativeLibraryPath, String instructionSet) { 8946 final boolean isInAsec; 8947 if (installOnSd(flags)) { 8948 /* Apps on SD card are always in ASEC containers. */ 8949 isInAsec = true; 8950 } else if (installForwardLocked(flags) 8951 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8952 /* 8953 * Forward-locked apps are only in ASEC containers if they're the 8954 * new style 8955 */ 8956 isInAsec = true; 8957 } else { 8958 isInAsec = false; 8959 } 8960 8961 if (isInAsec) { 8962 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8963 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8964 } else { 8965 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8966 instructionSet); 8967 } 8968 } 8969 8970 // Used by package mover 8971 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8972 String instructionSet) { 8973 if (installOnSd(flags) || installForwardLocked(flags)) { 8974 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8975 + AsecInstallArgs.RES_FILE_NAME); 8976 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8977 installForwardLocked(flags)); 8978 } else { 8979 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8980 } 8981 } 8982 8983 static abstract class InstallArgs { 8984 final IPackageInstallObserver observer; 8985 final IPackageInstallObserver2 observer2; 8986 // Always refers to PackageManager flags only 8987 final int flags; 8988 final Uri packageURI; 8989 final String installerPackageName; 8990 final ManifestDigest manifestDigest; 8991 final UserHandle user; 8992 final String instructionSet; 8993 final String abiOverride; 8994 8995 InstallArgs(Uri packageURI, 8996 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8997 int flags, String installerPackageName, ManifestDigest manifestDigest, 8998 UserHandle user, String instructionSet, String abiOverride) { 8999 this.packageURI = packageURI; 9000 this.flags = flags; 9001 this.observer = observer; 9002 this.observer2 = observer2; 9003 this.installerPackageName = installerPackageName; 9004 this.manifestDigest = manifestDigest; 9005 this.user = user; 9006 this.instructionSet = instructionSet; 9007 this.abiOverride = abiOverride; 9008 } 9009 9010 abstract void createCopyFile(); 9011 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9012 abstract int doPreInstall(int status); 9013 abstract boolean doRename(int status, String pkgName, String oldCodePath); 9014 9015 abstract int doPostInstall(int status, int uid); 9016 abstract String getCodePath(); 9017 abstract String getResourcePath(); 9018 abstract String getNativeLibraryPath(); 9019 // Need installer lock especially for dex file removal. 9020 abstract void cleanUpResourcesLI(); 9021 abstract boolean doPostDeleteLI(boolean delete); 9022 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9023 9024 /** 9025 * Called before the source arguments are copied. This is used mostly 9026 * for MoveParams when it needs to read the source file to put it in the 9027 * destination. 9028 */ 9029 int doPreCopy() { 9030 return PackageManager.INSTALL_SUCCEEDED; 9031 } 9032 9033 /** 9034 * Called after the source arguments are copied. This is used mostly for 9035 * MoveParams when it needs to read the source file to put it in the 9036 * destination. 9037 * 9038 * @return 9039 */ 9040 int doPostCopy(int uid) { 9041 return PackageManager.INSTALL_SUCCEEDED; 9042 } 9043 9044 protected boolean isFwdLocked() { 9045 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9046 } 9047 9048 UserHandle getUser() { 9049 return user; 9050 } 9051 } 9052 9053 class FileInstallArgs extends InstallArgs { 9054 File installDir; 9055 String codeFileName; 9056 String resourceFileName; 9057 String libraryPath; 9058 boolean created = false; 9059 9060 FileInstallArgs(InstallParams params) { 9061 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9062 params.installerPackageName, params.getManifestDigest(), 9063 params.getUser(), params.packageInstructionSetOverride, 9064 params.packageAbiOverride); 9065 } 9066 9067 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9068 String instructionSet) { 9069 super(null, null, null, 0, null, null, null, instructionSet, null); 9070 File codeFile = new File(fullCodePath); 9071 installDir = codeFile.getParentFile(); 9072 codeFileName = fullCodePath; 9073 resourceFileName = fullResourcePath; 9074 libraryPath = nativeLibraryPath; 9075 } 9076 9077 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 9078 super(packageURI, null, null, 0, null, null, null, instructionSet, null); 9079 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9080 String apkName = getNextCodePath(null, pkgName, ".apk"); 9081 codeFileName = new File(installDir, apkName + ".apk").getPath(); 9082 resourceFileName = getResourcePathFromCodePath(); 9083 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 9084 } 9085 9086 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9087 final long lowThreshold; 9088 9089 final DeviceStorageMonitorInternal 9090 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9091 if (dsm == null) { 9092 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9093 lowThreshold = 0L; 9094 } else { 9095 if (dsm.isMemoryLow()) { 9096 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9097 return false; 9098 } 9099 9100 lowThreshold = dsm.getMemoryLowThreshold(); 9101 } 9102 9103 try { 9104 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9105 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9106 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9107 } finally { 9108 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9109 } 9110 } 9111 9112 String getCodePath() { 9113 return codeFileName; 9114 } 9115 9116 void createCopyFile() { 9117 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9118 codeFileName = createTempPackageFile(installDir).getPath(); 9119 resourceFileName = getResourcePathFromCodePath(); 9120 libraryPath = getLibraryPathFromCodePath(); 9121 created = true; 9122 } 9123 9124 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9125 if (temp) { 9126 // Generate temp file name 9127 createCopyFile(); 9128 } 9129 // Get a ParcelFileDescriptor to write to the output file 9130 File codeFile = new File(codeFileName); 9131 if (!created) { 9132 try { 9133 codeFile.createNewFile(); 9134 // Set permissions 9135 if (!setPermissions()) { 9136 // Failed setting permissions. 9137 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9138 } 9139 } catch (IOException e) { 9140 Slog.w(TAG, "Failed to create file " + codeFile); 9141 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9142 } 9143 } 9144 ParcelFileDescriptor out = null; 9145 try { 9146 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9147 } catch (FileNotFoundException e) { 9148 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9149 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9150 } 9151 // Copy the resource now 9152 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9153 try { 9154 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9155 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9156 ret = imcs.copyResource(packageURI, null, out); 9157 } finally { 9158 IoUtils.closeQuietly(out); 9159 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9160 } 9161 9162 if (isFwdLocked()) { 9163 final File destResourceFile = new File(getResourcePath()); 9164 9165 // Copy the public files 9166 try { 9167 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9168 } catch (IOException e) { 9169 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9170 + " forward-locked app."); 9171 destResourceFile.delete(); 9172 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9173 } 9174 } 9175 9176 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9177 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9178 if (nativeLibraryFile.exists()) { 9179 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9180 nativeLibraryFile.delete(); 9181 } 9182 9183 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(codeFile); 9184 String[] abiList = (abiOverride != null) ? 9185 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9186 try { 9187 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 9188 abiOverride == null && 9189 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9190 abiList = Build.SUPPORTED_32_BIT_ABIS; 9191 } 9192 9193 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 9194 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9195 return copyRet; 9196 } 9197 } catch (IOException e) { 9198 Slog.e(TAG, "Copying native libraries failed", e); 9199 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9200 } finally { 9201 handle.close(); 9202 } 9203 9204 return ret; 9205 } 9206 9207 int doPreInstall(int status) { 9208 if (status != PackageManager.INSTALL_SUCCEEDED) { 9209 cleanUp(); 9210 } 9211 return status; 9212 } 9213 9214 boolean doRename(int status, final String pkgName, String oldCodePath) { 9215 if (status != PackageManager.INSTALL_SUCCEEDED) { 9216 cleanUp(); 9217 return false; 9218 } else { 9219 final File oldCodeFile = new File(getCodePath()); 9220 final File oldResourceFile = new File(getResourcePath()); 9221 final File oldLibraryFile = new File(getNativeLibraryPath()); 9222 9223 // Rename APK file based on packageName 9224 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9225 final File newCodeFile = new File(installDir, apkName + ".apk"); 9226 if (!oldCodeFile.renameTo(newCodeFile)) { 9227 return false; 9228 } 9229 codeFileName = newCodeFile.getPath(); 9230 9231 // Rename public resource file if it's forward-locked. 9232 final File newResFile = new File(getResourcePathFromCodePath()); 9233 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9234 return false; 9235 } 9236 resourceFileName = newResFile.getPath(); 9237 9238 // Rename library path 9239 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9240 if (newLibraryFile.exists()) { 9241 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9242 newLibraryFile.delete(); 9243 } 9244 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9245 Slog.e(TAG, "Cannot rename native library directory " 9246 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9247 return false; 9248 } 9249 libraryPath = newLibraryFile.getPath(); 9250 9251 // Attempt to set permissions 9252 if (!setPermissions()) { 9253 return false; 9254 } 9255 9256 if (!SELinux.restorecon(newCodeFile)) { 9257 return false; 9258 } 9259 9260 return true; 9261 } 9262 } 9263 9264 int doPostInstall(int status, int uid) { 9265 if (status != PackageManager.INSTALL_SUCCEEDED) { 9266 cleanUp(); 9267 } 9268 return status; 9269 } 9270 9271 String getResourcePath() { 9272 return resourceFileName; 9273 } 9274 9275 private String getResourcePathFromCodePath() { 9276 final String codePath = getCodePath(); 9277 if (isFwdLocked()) { 9278 final StringBuilder sb = new StringBuilder(); 9279 9280 sb.append(mAppInstallDir.getPath()); 9281 sb.append('/'); 9282 sb.append(getApkName(codePath)); 9283 sb.append(".zip"); 9284 9285 /* 9286 * If our APK is a temporary file, mark the resource as a 9287 * temporary file as well so it can be cleaned up after 9288 * catastrophic failure. 9289 */ 9290 if (codePath.endsWith(".tmp")) { 9291 sb.append(".tmp"); 9292 } 9293 9294 return sb.toString(); 9295 } else { 9296 return codePath; 9297 } 9298 } 9299 9300 private String getLibraryPathFromCodePath() { 9301 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9302 } 9303 9304 @Override 9305 String getNativeLibraryPath() { 9306 if (libraryPath == null) { 9307 libraryPath = getLibraryPathFromCodePath(); 9308 } 9309 return libraryPath; 9310 } 9311 9312 private boolean cleanUp() { 9313 boolean ret = true; 9314 String sourceDir = getCodePath(); 9315 String publicSourceDir = getResourcePath(); 9316 if (sourceDir != null) { 9317 File sourceFile = new File(sourceDir); 9318 if (!sourceFile.exists()) { 9319 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9320 ret = false; 9321 } 9322 // Delete application's code and resources 9323 sourceFile.delete(); 9324 } 9325 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9326 final File publicSourceFile = new File(publicSourceDir); 9327 if (!publicSourceFile.exists()) { 9328 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9329 } 9330 if (publicSourceFile.exists()) { 9331 publicSourceFile.delete(); 9332 } 9333 } 9334 9335 if (libraryPath != null) { 9336 File nativeLibraryFile = new File(libraryPath); 9337 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9338 if (!nativeLibraryFile.delete()) { 9339 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9340 } 9341 } 9342 9343 return ret; 9344 } 9345 9346 void cleanUpResourcesLI() { 9347 String sourceDir = getCodePath(); 9348 if (cleanUp()) { 9349 if (instructionSet == null) { 9350 throw new IllegalStateException("instructionSet == null"); 9351 } 9352 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9353 if (retCode < 0) { 9354 Slog.w(TAG, "Couldn't remove dex file for package: " 9355 + " at location " 9356 + sourceDir + ", retcode=" + retCode); 9357 // we don't consider this to be a failure of the core package deletion 9358 } 9359 } 9360 } 9361 9362 private boolean setPermissions() { 9363 // TODO Do this in a more elegant way later on. for now just a hack 9364 if (!isFwdLocked()) { 9365 final int filePermissions = 9366 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9367 |FileUtils.S_IROTH; 9368 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9369 if (retCode != 0) { 9370 Slog.e(TAG, "Couldn't set new package file permissions for " + 9371 getCodePath() 9372 + ". The return code was: " + retCode); 9373 // TODO Define new internal error 9374 return false; 9375 } 9376 return true; 9377 } 9378 return true; 9379 } 9380 9381 boolean doPostDeleteLI(boolean delete) { 9382 // XXX err, shouldn't we respect the delete flag? 9383 cleanUpResourcesLI(); 9384 return true; 9385 } 9386 } 9387 9388 private boolean isAsecExternal(String cid) { 9389 final String asecPath = PackageHelper.getSdFilesystem(cid); 9390 return !asecPath.startsWith(mAsecInternalPath); 9391 } 9392 9393 /** 9394 * Extract the MountService "container ID" from the full code path of an 9395 * .apk. 9396 */ 9397 static String cidFromCodePath(String fullCodePath) { 9398 int eidx = fullCodePath.lastIndexOf("/"); 9399 String subStr1 = fullCodePath.substring(0, eidx); 9400 int sidx = subStr1.lastIndexOf("/"); 9401 return subStr1.substring(sidx+1, eidx); 9402 } 9403 9404 class AsecInstallArgs extends InstallArgs { 9405 static final String RES_FILE_NAME = "pkg.apk"; 9406 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9407 9408 String cid; 9409 String packagePath; 9410 String resourcePath; 9411 String libraryPath; 9412 9413 AsecInstallArgs(InstallParams params) { 9414 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9415 params.installerPackageName, params.getManifestDigest(), 9416 params.getUser(), params.packageInstructionSetOverride, 9417 params.packageAbiOverride); 9418 } 9419 9420 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9421 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9422 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9423 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9424 null, null, null, instructionSet, null); 9425 // Extract cid from fullCodePath 9426 int eidx = fullCodePath.lastIndexOf("/"); 9427 String subStr1 = fullCodePath.substring(0, eidx); 9428 int sidx = subStr1.lastIndexOf("/"); 9429 cid = subStr1.substring(sidx+1, eidx); 9430 setCachePath(subStr1); 9431 } 9432 9433 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9434 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9435 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9436 null, null, null, instructionSet, null); 9437 this.cid = cid; 9438 setCachePath(PackageHelper.getSdDir(cid)); 9439 } 9440 9441 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9442 boolean isExternal, boolean isForwardLocked) { 9443 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9444 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9445 null, null, null, instructionSet, null); 9446 this.cid = cid; 9447 } 9448 9449 void createCopyFile() { 9450 cid = getTempContainerId(); 9451 } 9452 9453 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9454 try { 9455 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9456 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9457 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9458 } finally { 9459 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9460 } 9461 } 9462 9463 private final boolean isExternal() { 9464 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9465 } 9466 9467 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9468 if (temp) { 9469 createCopyFile(); 9470 } else { 9471 /* 9472 * Pre-emptively destroy the container since it's destroyed if 9473 * copying fails due to it existing anyway. 9474 */ 9475 PackageHelper.destroySdDir(cid); 9476 } 9477 9478 final String newCachePath; 9479 try { 9480 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9481 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9482 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9483 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9484 abiOverride); 9485 } finally { 9486 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9487 } 9488 9489 if (newCachePath != null) { 9490 setCachePath(newCachePath); 9491 return PackageManager.INSTALL_SUCCEEDED; 9492 } else { 9493 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9494 } 9495 } 9496 9497 @Override 9498 String getCodePath() { 9499 return packagePath; 9500 } 9501 9502 @Override 9503 String getResourcePath() { 9504 return resourcePath; 9505 } 9506 9507 @Override 9508 String getNativeLibraryPath() { 9509 return libraryPath; 9510 } 9511 9512 int doPreInstall(int status) { 9513 if (status != PackageManager.INSTALL_SUCCEEDED) { 9514 // Destroy container 9515 PackageHelper.destroySdDir(cid); 9516 } else { 9517 boolean mounted = PackageHelper.isContainerMounted(cid); 9518 if (!mounted) { 9519 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9520 Process.SYSTEM_UID); 9521 if (newCachePath != null) { 9522 setCachePath(newCachePath); 9523 } else { 9524 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9525 } 9526 } 9527 } 9528 return status; 9529 } 9530 9531 boolean doRename(int status, final String pkgName, 9532 String oldCodePath) { 9533 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9534 String newCachePath = null; 9535 if (PackageHelper.isContainerMounted(cid)) { 9536 // Unmount the container 9537 if (!PackageHelper.unMountSdDir(cid)) { 9538 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9539 return false; 9540 } 9541 } 9542 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9543 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9544 " which might be stale. Will try to clean up."); 9545 // Clean up the stale container and proceed to recreate. 9546 if (!PackageHelper.destroySdDir(newCacheId)) { 9547 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9548 return false; 9549 } 9550 // Successfully cleaned up stale container. Try to rename again. 9551 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9552 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9553 + " inspite of cleaning it up."); 9554 return false; 9555 } 9556 } 9557 if (!PackageHelper.isContainerMounted(newCacheId)) { 9558 Slog.w(TAG, "Mounting container " + newCacheId); 9559 newCachePath = PackageHelper.mountSdDir(newCacheId, 9560 getEncryptKey(), Process.SYSTEM_UID); 9561 } else { 9562 newCachePath = PackageHelper.getSdDir(newCacheId); 9563 } 9564 if (newCachePath == null) { 9565 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9566 return false; 9567 } 9568 Log.i(TAG, "Succesfully renamed " + cid + 9569 " to " + newCacheId + 9570 " at new path: " + newCachePath); 9571 cid = newCacheId; 9572 setCachePath(newCachePath); 9573 return true; 9574 } 9575 9576 private void setCachePath(String newCachePath) { 9577 File cachePath = new File(newCachePath); 9578 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9579 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9580 9581 if (isFwdLocked()) { 9582 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9583 } else { 9584 resourcePath = packagePath; 9585 } 9586 } 9587 9588 int doPostInstall(int status, int uid) { 9589 if (status != PackageManager.INSTALL_SUCCEEDED) { 9590 cleanUp(); 9591 } else { 9592 final int groupOwner; 9593 final String protectedFile; 9594 if (isFwdLocked()) { 9595 groupOwner = UserHandle.getSharedAppGid(uid); 9596 protectedFile = RES_FILE_NAME; 9597 } else { 9598 groupOwner = -1; 9599 protectedFile = null; 9600 } 9601 9602 if (uid < Process.FIRST_APPLICATION_UID 9603 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9604 Slog.e(TAG, "Failed to finalize " + cid); 9605 PackageHelper.destroySdDir(cid); 9606 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9607 } 9608 9609 boolean mounted = PackageHelper.isContainerMounted(cid); 9610 if (!mounted) { 9611 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9612 } 9613 } 9614 return status; 9615 } 9616 9617 private void cleanUp() { 9618 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9619 9620 // Destroy secure container 9621 PackageHelper.destroySdDir(cid); 9622 } 9623 9624 void cleanUpResourcesLI() { 9625 String sourceFile = getCodePath(); 9626 // Remove dex file 9627 if (instructionSet == null) { 9628 throw new IllegalStateException("instructionSet == null"); 9629 } 9630 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9631 if (retCode < 0) { 9632 Slog.w(TAG, "Couldn't remove dex file for package: " 9633 + " at location " 9634 + sourceFile.toString() + ", retcode=" + retCode); 9635 // we don't consider this to be a failure of the core package deletion 9636 } 9637 cleanUp(); 9638 } 9639 9640 boolean matchContainer(String app) { 9641 if (cid.startsWith(app)) { 9642 return true; 9643 } 9644 return false; 9645 } 9646 9647 String getPackageName() { 9648 return getAsecPackageName(cid); 9649 } 9650 9651 boolean doPostDeleteLI(boolean delete) { 9652 boolean ret = false; 9653 boolean mounted = PackageHelper.isContainerMounted(cid); 9654 if (mounted) { 9655 // Unmount first 9656 ret = PackageHelper.unMountSdDir(cid); 9657 } 9658 if (ret && delete) { 9659 cleanUpResourcesLI(); 9660 } 9661 return ret; 9662 } 9663 9664 @Override 9665 int doPreCopy() { 9666 if (isFwdLocked()) { 9667 if (!PackageHelper.fixSdPermissions(cid, 9668 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9669 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9670 } 9671 } 9672 9673 return PackageManager.INSTALL_SUCCEEDED; 9674 } 9675 9676 @Override 9677 int doPostCopy(int uid) { 9678 if (isFwdLocked()) { 9679 if (uid < Process.FIRST_APPLICATION_UID 9680 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9681 RES_FILE_NAME)) { 9682 Slog.e(TAG, "Failed to finalize " + cid); 9683 PackageHelper.destroySdDir(cid); 9684 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9685 } 9686 } 9687 9688 return PackageManager.INSTALL_SUCCEEDED; 9689 } 9690 }; 9691 9692 static String getAsecPackageName(String packageCid) { 9693 int idx = packageCid.lastIndexOf("-"); 9694 if (idx == -1) { 9695 return packageCid; 9696 } 9697 return packageCid.substring(0, idx); 9698 } 9699 9700 // Utility method used to create code paths based on package name and available index. 9701 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9702 String idxStr = ""; 9703 int idx = 1; 9704 // Fall back to default value of idx=1 if prefix is not 9705 // part of oldCodePath 9706 if (oldCodePath != null) { 9707 String subStr = oldCodePath; 9708 // Drop the suffix right away 9709 if (subStr.endsWith(suffix)) { 9710 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9711 } 9712 // If oldCodePath already contains prefix find out the 9713 // ending index to either increment or decrement. 9714 int sidx = subStr.lastIndexOf(prefix); 9715 if (sidx != -1) { 9716 subStr = subStr.substring(sidx + prefix.length()); 9717 if (subStr != null) { 9718 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9719 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9720 } 9721 try { 9722 idx = Integer.parseInt(subStr); 9723 if (idx <= 1) { 9724 idx++; 9725 } else { 9726 idx--; 9727 } 9728 } catch(NumberFormatException e) { 9729 } 9730 } 9731 } 9732 } 9733 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9734 return prefix + idxStr; 9735 } 9736 9737 // Utility method used to ignore ADD/REMOVE events 9738 // by directory observer. 9739 private static boolean ignoreCodePath(String fullPathStr) { 9740 String apkName = getApkName(fullPathStr); 9741 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9742 if (idx != -1 && ((idx+1) < apkName.length())) { 9743 // Make sure the package ends with a numeral 9744 String version = apkName.substring(idx+1); 9745 try { 9746 Integer.parseInt(version); 9747 return true; 9748 } catch (NumberFormatException e) {} 9749 } 9750 return false; 9751 } 9752 9753 // Utility method that returns the relative package path with respect 9754 // to the installation directory. Like say for /data/data/com.test-1.apk 9755 // string com.test-1 is returned. 9756 static String getApkName(String codePath) { 9757 if (codePath == null) { 9758 return null; 9759 } 9760 int sidx = codePath.lastIndexOf("/"); 9761 int eidx = codePath.lastIndexOf("."); 9762 if (eidx == -1) { 9763 eidx = codePath.length(); 9764 } else if (eidx == 0) { 9765 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9766 return null; 9767 } 9768 return codePath.substring(sidx+1, eidx); 9769 } 9770 9771 class PackageInstalledInfo { 9772 String name; 9773 int uid; 9774 // The set of users that originally had this package installed. 9775 int[] origUsers; 9776 // The set of users that now have this package installed. 9777 int[] newUsers; 9778 PackageParser.Package pkg; 9779 int returnCode; 9780 PackageRemovedInfo removedInfo; 9781 9782 // In some error cases we want to convey more info back to the observer 9783 String origPackage; 9784 String origPermission; 9785 } 9786 9787 /* 9788 * Install a non-existing package. 9789 */ 9790 private void installNewPackageLI(PackageParser.Package pkg, 9791 int parseFlags, int scanMode, UserHandle user, 9792 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9793 // Remember this for later, in case we need to rollback this install 9794 String pkgName = pkg.packageName; 9795 9796 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9797 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9798 synchronized(mPackages) { 9799 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9800 // A package with the same name is already installed, though 9801 // it has been renamed to an older name. The package we 9802 // are trying to install should be installed as an update to 9803 // the existing one, but that has not been requested, so bail. 9804 Slog.w(TAG, "Attempt to re-install " + pkgName 9805 + " without first uninstalling package running as " 9806 + mSettings.mRenamedPackages.get(pkgName)); 9807 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9808 return; 9809 } 9810 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 9811 // Don't allow installation over an existing package with the same name. 9812 Slog.w(TAG, "Attempt to re-install " + pkgName 9813 + " without first uninstalling."); 9814 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9815 return; 9816 } 9817 } 9818 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9819 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9820 System.currentTimeMillis(), user, abiOverride); 9821 if (newPackage == null) { 9822 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9823 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9824 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9825 } 9826 } else { 9827 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9828 // delete the partially installed application. the data directory will have to be 9829 // restored if it was already existing 9830 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9831 // remove package from internal structures. Note that we want deletePackageX to 9832 // delete the package data and cache directories that it created in 9833 // scanPackageLocked, unless those directories existed before we even tried to 9834 // install. 9835 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9836 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9837 res.removedInfo, true); 9838 } 9839 } 9840 } 9841 9842 private void replacePackageLI(PackageParser.Package pkg, 9843 int parseFlags, int scanMode, UserHandle user, 9844 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9845 9846 PackageParser.Package oldPackage; 9847 String pkgName = pkg.packageName; 9848 int[] allUsers; 9849 boolean[] perUserInstalled; 9850 9851 // First find the old package info and check signatures 9852 synchronized(mPackages) { 9853 oldPackage = mPackages.get(pkgName); 9854 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9855 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9856 != PackageManager.SIGNATURE_MATCH) { 9857 Slog.w(TAG, "New package has a different signature: " + pkgName); 9858 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9859 return; 9860 } 9861 9862 // In case of rollback, remember per-user/profile install state 9863 PackageSetting ps = mSettings.mPackages.get(pkgName); 9864 allUsers = sUserManager.getUserIds(); 9865 perUserInstalled = new boolean[allUsers.length]; 9866 for (int i = 0; i < allUsers.length; i++) { 9867 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9868 } 9869 } 9870 boolean sysPkg = (isSystemApp(oldPackage)); 9871 if (sysPkg) { 9872 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9873 user, allUsers, perUserInstalled, installerPackageName, res, 9874 abiOverride); 9875 } else { 9876 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9877 user, allUsers, perUserInstalled, installerPackageName, res, 9878 abiOverride); 9879 } 9880 } 9881 9882 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9883 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9884 int[] allUsers, boolean[] perUserInstalled, 9885 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9886 PackageParser.Package newPackage = null; 9887 String pkgName = deletedPackage.packageName; 9888 boolean deletedPkg = true; 9889 boolean updatedSettings = false; 9890 9891 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9892 + deletedPackage); 9893 long origUpdateTime; 9894 if (pkg.mExtras != null) { 9895 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9896 } else { 9897 origUpdateTime = 0; 9898 } 9899 9900 // First delete the existing package while retaining the data directory 9901 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9902 res.removedInfo, true)) { 9903 // If the existing package wasn't successfully deleted 9904 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9905 deletedPkg = false; 9906 } else { 9907 // Successfully deleted the old package. Now proceed with re-installation 9908 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9909 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9910 System.currentTimeMillis(), user, abiOverride); 9911 if (newPackage == null) { 9912 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9913 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9914 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9915 } 9916 } else { 9917 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9918 updatedSettings = true; 9919 } 9920 } 9921 9922 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9923 // remove package from internal structures. Note that we want deletePackageX to 9924 // delete the package data and cache directories that it created in 9925 // scanPackageLocked, unless those directories existed before we even tried to 9926 // install. 9927 if(updatedSettings) { 9928 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9929 deletePackageLI( 9930 pkgName, null, true, allUsers, perUserInstalled, 9931 PackageManager.DELETE_KEEP_DATA, 9932 res.removedInfo, true); 9933 } 9934 // Since we failed to install the new package we need to restore the old 9935 // package that we deleted. 9936 if (deletedPkg) { 9937 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9938 File restoreFile = new File(deletedPackage.codePath); 9939 // Parse old package 9940 boolean oldOnSd = isExternal(deletedPackage); 9941 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9942 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9943 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9944 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9945 | SCAN_UPDATE_TIME; 9946 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9947 origUpdateTime, null, null) == null) { 9948 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9949 return; 9950 } 9951 // Restore of old package succeeded. Update permissions. 9952 // writer 9953 synchronized (mPackages) { 9954 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9955 UPDATE_PERMISSIONS_ALL); 9956 // can downgrade to reader 9957 mSettings.writeLPr(); 9958 } 9959 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9960 } 9961 } 9962 } 9963 9964 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9965 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9966 int[] allUsers, boolean[] perUserInstalled, 9967 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9968 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9969 + ", old=" + deletedPackage); 9970 PackageParser.Package newPackage = null; 9971 boolean updatedSettings = false; 9972 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9973 PackageParser.PARSE_IS_SYSTEM; 9974 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9975 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9976 } 9977 String packageName = deletedPackage.packageName; 9978 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9979 if (packageName == null) { 9980 Slog.w(TAG, "Attempt to delete null packageName."); 9981 return; 9982 } 9983 PackageParser.Package oldPkg; 9984 PackageSetting oldPkgSetting; 9985 // reader 9986 synchronized (mPackages) { 9987 oldPkg = mPackages.get(packageName); 9988 oldPkgSetting = mSettings.mPackages.get(packageName); 9989 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9990 (oldPkgSetting == null)) { 9991 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9992 return; 9993 } 9994 } 9995 9996 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9997 9998 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9999 res.removedInfo.removedPackage = packageName; 10000 // Remove existing system package 10001 removePackageLI(oldPkgSetting, true); 10002 // writer 10003 synchronized (mPackages) { 10004 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10005 // We didn't need to disable the .apk as a current system package, 10006 // which means we are replacing another update that is already 10007 // installed. We need to make sure to delete the older one's .apk. 10008 res.removedInfo.args = createInstallArgs(0, 10009 deletedPackage.applicationInfo.sourceDir, 10010 deletedPackage.applicationInfo.publicSourceDir, 10011 deletedPackage.applicationInfo.nativeLibraryDir, 10012 getAppInstructionSet(deletedPackage.applicationInfo)); 10013 } else { 10014 res.removedInfo.args = null; 10015 } 10016 } 10017 10018 // Successfully disabled the old package. Now proceed with re-installation 10019 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10020 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10021 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10022 if (newPackage == null) { 10023 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10024 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10025 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10026 } 10027 } else { 10028 if (newPackage.mExtras != null) { 10029 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10030 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10031 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10032 10033 // is the update attempting to change shared user? that isn't going to work... 10034 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10035 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10036 + " to " + newPkgSetting.sharedUser); 10037 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10038 updatedSettings = true; 10039 } 10040 } 10041 10042 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10043 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10044 updatedSettings = true; 10045 } 10046 } 10047 10048 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10049 // Re installation failed. Restore old information 10050 // Remove new pkg information 10051 if (newPackage != null) { 10052 removeInstalledPackageLI(newPackage, true); 10053 } 10054 // Add back the old system package 10055 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10056 // Restore the old system information in Settings 10057 synchronized(mPackages) { 10058 if (updatedSettings) { 10059 mSettings.enableSystemPackageLPw(packageName); 10060 mSettings.setInstallerPackageName(packageName, 10061 oldPkgSetting.installerPackageName); 10062 } 10063 mSettings.writeLPr(); 10064 } 10065 } 10066 } 10067 10068 // Utility method used to move dex files during install. 10069 private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) { 10070 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10071 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 10072 int retCode = mInstaller.movedex(oldCodePath, newPackage.codePath, 10073 instructionSet); 10074 if (retCode != 0) { 10075 /* 10076 * Programs may be lazily run through dexopt, so the 10077 * source may not exist. However, something seems to 10078 * have gone wrong, so note that dexopt needs to be 10079 * run again and remove the source file. In addition, 10080 * remove the target to make sure there isn't a stale 10081 * file from a previous version of the package. 10082 */ 10083 newPackage.mDexOptNeeded = true; 10084 mInstaller.rmdex(oldCodePath, instructionSet); 10085 mInstaller.rmdex(newPackage.codePath, instructionSet); 10086 } 10087 } 10088 return PackageManager.INSTALL_SUCCEEDED; 10089 } 10090 10091 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10092 int[] allUsers, boolean[] perUserInstalled, 10093 PackageInstalledInfo res) { 10094 String pkgName = newPackage.packageName; 10095 synchronized (mPackages) { 10096 //write settings. the installStatus will be incomplete at this stage. 10097 //note that the new package setting would have already been 10098 //added to mPackages. It hasn't been persisted yet. 10099 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10100 mSettings.writeLPr(); 10101 } 10102 10103 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10104 10105 synchronized (mPackages) { 10106 updatePermissionsLPw(newPackage.packageName, newPackage, 10107 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10108 ? UPDATE_PERMISSIONS_ALL : 0)); 10109 // For system-bundled packages, we assume that installing an upgraded version 10110 // of the package implies that the user actually wants to run that new code, 10111 // so we enable the package. 10112 if (isSystemApp(newPackage)) { 10113 // NB: implicit assumption that system package upgrades apply to all users 10114 if (DEBUG_INSTALL) { 10115 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10116 } 10117 PackageSetting ps = mSettings.mPackages.get(pkgName); 10118 if (ps != null) { 10119 if (res.origUsers != null) { 10120 for (int userHandle : res.origUsers) { 10121 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10122 userHandle, installerPackageName); 10123 } 10124 } 10125 // Also convey the prior install/uninstall state 10126 if (allUsers != null && perUserInstalled != null) { 10127 for (int i = 0; i < allUsers.length; i++) { 10128 if (DEBUG_INSTALL) { 10129 Slog.d(TAG, " user " + allUsers[i] 10130 + " => " + perUserInstalled[i]); 10131 } 10132 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10133 } 10134 // these install state changes will be persisted in the 10135 // upcoming call to mSettings.writeLPr(). 10136 } 10137 } 10138 } 10139 res.name = pkgName; 10140 res.uid = newPackage.applicationInfo.uid; 10141 res.pkg = newPackage; 10142 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10143 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10144 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10145 //to update install status 10146 mSettings.writeLPr(); 10147 } 10148 } 10149 10150 private void installPackageLI(InstallArgs args, 10151 boolean newInstall, PackageInstalledInfo res) { 10152 int pFlags = args.flags; 10153 String installerPackageName = args.installerPackageName; 10154 File tmpPackageFile = new File(args.getCodePath()); 10155 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10156 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10157 boolean replace = false; 10158 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10159 | (newInstall ? SCAN_NEW_INSTALL : 0); 10160 // Result object to be returned 10161 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10162 10163 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10164 // Retrieve PackageSettings and parse package 10165 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10166 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10167 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10168 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 10169 pp.setSeparateProcesses(mSeparateProcesses); 10170 10171 final PackageParser.Package pkg; 10172 try { 10173 pkg = pp.parseMonolithicPackage(tmpPackageFile, mMetrics, 10174 parseFlags); 10175 } catch (PackageParserException e) { 10176 res.returnCode = e.error; 10177 return; 10178 } 10179 10180 String pkgName = res.name = pkg.packageName; 10181 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10182 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10183 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10184 return; 10185 } 10186 } 10187 10188 try { 10189 pp.collectCertificates(pkg, parseFlags); 10190 } catch (PackageParserException e) { 10191 res.returnCode = e.error; 10192 return; 10193 } 10194 10195 /* If the installer passed in a manifest digest, compare it now. */ 10196 if (args.manifestDigest != null) { 10197 if (DEBUG_INSTALL) { 10198 final String parsedManifest = pkg.manifestDigest == null ? "null" 10199 : pkg.manifestDigest.toString(); 10200 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10201 + parsedManifest); 10202 } 10203 10204 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10205 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10206 return; 10207 } 10208 } else if (DEBUG_INSTALL) { 10209 final String parsedManifest = pkg.manifestDigest == null 10210 ? "null" : pkg.manifestDigest.toString(); 10211 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10212 } 10213 10214 // Get rid of all references to package scan path via parser. 10215 pp = null; 10216 String oldCodePath = null; 10217 boolean systemApp = false; 10218 synchronized (mPackages) { 10219 // Check whether the newly-scanned package wants to define an already-defined perm 10220 int N = pkg.permissions.size(); 10221 for (int i = N-1; i >= 0; i--) { 10222 PackageParser.Permission perm = pkg.permissions.get(i); 10223 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10224 if (bp != null) { 10225 // If the defining package is signed with our cert, it's okay. This 10226 // also includes the "updating the same package" case, of course. 10227 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10228 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10229 // If the owning package is the system itself, we log but allow 10230 // install to proceed; we fail the install on all other permission 10231 // redefinitions. 10232 if (!bp.sourcePackage.equals("android")) { 10233 Slog.w(TAG, "Package " + pkg.packageName 10234 + " attempting to redeclare permission " + perm.info.name 10235 + " already owned by " + bp.sourcePackage); 10236 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10237 res.origPermission = perm.info.name; 10238 res.origPackage = bp.sourcePackage; 10239 return; 10240 } else { 10241 Slog.w(TAG, "Package " + pkg.packageName 10242 + " attempting to redeclare system permission " 10243 + perm.info.name + "; ignoring new declaration"); 10244 pkg.permissions.remove(i); 10245 } 10246 } 10247 } 10248 } 10249 10250 // Check if installing already existing package 10251 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10252 String oldName = mSettings.mRenamedPackages.get(pkgName); 10253 if (pkg.mOriginalPackages != null 10254 && pkg.mOriginalPackages.contains(oldName) 10255 && mPackages.containsKey(oldName)) { 10256 // This package is derived from an original package, 10257 // and this device has been updating from that original 10258 // name. We must continue using the original name, so 10259 // rename the new package here. 10260 pkg.setPackageName(oldName); 10261 pkgName = pkg.packageName; 10262 replace = true; 10263 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10264 + oldName + " pkgName=" + pkgName); 10265 } else if (mPackages.containsKey(pkgName)) { 10266 // This package, under its official name, already exists 10267 // on the device; we should replace it. 10268 replace = true; 10269 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10270 } 10271 } 10272 PackageSetting ps = mSettings.mPackages.get(pkgName); 10273 if (ps != null) { 10274 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10275 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10276 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10277 systemApp = (ps.pkg.applicationInfo.flags & 10278 ApplicationInfo.FLAG_SYSTEM) != 0; 10279 } 10280 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10281 } 10282 } 10283 10284 if (systemApp && onSd) { 10285 // Disable updates to system apps on sdcard 10286 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10287 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10288 return; 10289 } 10290 10291 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10292 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10293 return; 10294 } 10295 // Set application objects path explicitly after the rename 10296 pkg.codePath = args.getCodePath(); 10297 pkg.applicationInfo.sourceDir = args.getCodePath(); 10298 pkg.applicationInfo.publicSourceDir = args.getResourcePath(); 10299 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10300 if (replace) { 10301 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10302 installerPackageName, res, args.abiOverride); 10303 } else { 10304 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10305 installerPackageName, res, args.abiOverride); 10306 } 10307 synchronized (mPackages) { 10308 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10309 if (ps != null) { 10310 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10311 } 10312 } 10313 } 10314 10315 private static boolean isForwardLocked(PackageParser.Package pkg) { 10316 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10317 } 10318 10319 10320 private boolean isForwardLocked(PackageSetting ps) { 10321 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10322 } 10323 10324 private static boolean isExternal(PackageParser.Package pkg) { 10325 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10326 } 10327 10328 private static boolean isExternal(PackageSetting ps) { 10329 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10330 } 10331 10332 private static boolean isSystemApp(PackageParser.Package pkg) { 10333 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10334 } 10335 10336 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10337 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10338 } 10339 10340 private static boolean isSystemApp(ApplicationInfo info) { 10341 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10342 } 10343 10344 private static boolean isSystemApp(PackageSetting ps) { 10345 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10346 } 10347 10348 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10349 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10350 } 10351 10352 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10353 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10354 } 10355 10356 private int packageFlagsToInstallFlags(PackageSetting ps) { 10357 int installFlags = 0; 10358 if (isExternal(ps)) { 10359 installFlags |= PackageManager.INSTALL_EXTERNAL; 10360 } 10361 if (isForwardLocked(ps)) { 10362 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10363 } 10364 return installFlags; 10365 } 10366 10367 private void deleteTempPackageFiles() { 10368 final FilenameFilter filter = new FilenameFilter() { 10369 public boolean accept(File dir, String name) { 10370 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10371 } 10372 }; 10373 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10374 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10375 } 10376 10377 private static final void deleteTempPackageFilesInDirectory(File directory, 10378 FilenameFilter filter) { 10379 final String[] tmpFilesList = directory.list(filter); 10380 if (tmpFilesList == null) { 10381 return; 10382 } 10383 for (int i = 0; i < tmpFilesList.length; i++) { 10384 final File tmpFile = new File(directory, tmpFilesList[i]); 10385 tmpFile.delete(); 10386 } 10387 } 10388 10389 private File createTempPackageFile(File installDir) { 10390 File tmpPackageFile; 10391 try { 10392 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10393 } catch (IOException e) { 10394 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10395 return null; 10396 } 10397 try { 10398 FileUtils.setPermissions( 10399 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10400 -1, -1); 10401 if (!SELinux.restorecon(tmpPackageFile)) { 10402 return null; 10403 } 10404 } catch (IOException e) { 10405 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10406 return null; 10407 } 10408 return tmpPackageFile; 10409 } 10410 10411 @Override 10412 public void deletePackageAsUser(final String packageName, 10413 final IPackageDeleteObserver observer, 10414 final int userId, final int flags) { 10415 mContext.enforceCallingOrSelfPermission( 10416 android.Manifest.permission.DELETE_PACKAGES, null); 10417 final int uid = Binder.getCallingUid(); 10418 if (UserHandle.getUserId(uid) != userId) { 10419 mContext.enforceCallingPermission( 10420 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10421 "deletePackage for user " + userId); 10422 } 10423 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10424 try { 10425 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10426 } catch (RemoteException re) { 10427 } 10428 return; 10429 } 10430 10431 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10432 // Queue up an async operation since the package deletion may take a little while. 10433 mHandler.post(new Runnable() { 10434 public void run() { 10435 mHandler.removeCallbacks(this); 10436 final int returnCode = deletePackageX(packageName, userId, flags); 10437 if (observer != null) { 10438 try { 10439 observer.packageDeleted(packageName, returnCode); 10440 } catch (RemoteException e) { 10441 Log.i(TAG, "Observer no longer exists."); 10442 } //end catch 10443 } //end if 10444 } //end run 10445 }); 10446 } 10447 10448 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10449 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10450 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10451 try { 10452 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10453 || dpm.isDeviceOwner(packageName))) { 10454 return true; 10455 } 10456 } catch (RemoteException e) { 10457 } 10458 return false; 10459 } 10460 10461 /** 10462 * This method is an internal method that could be get invoked either 10463 * to delete an installed package or to clean up a failed installation. 10464 * After deleting an installed package, a broadcast is sent to notify any 10465 * listeners that the package has been installed. For cleaning up a failed 10466 * installation, the broadcast is not necessary since the package's 10467 * installation wouldn't have sent the initial broadcast either 10468 * The key steps in deleting a package are 10469 * deleting the package information in internal structures like mPackages, 10470 * deleting the packages base directories through installd 10471 * updating mSettings to reflect current status 10472 * persisting settings for later use 10473 * sending a broadcast if necessary 10474 */ 10475 private int deletePackageX(String packageName, int userId, int flags) { 10476 final PackageRemovedInfo info = new PackageRemovedInfo(); 10477 final boolean res; 10478 10479 if (isPackageDeviceAdmin(packageName, userId)) { 10480 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10481 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10482 } 10483 10484 boolean removedForAllUsers = false; 10485 boolean systemUpdate = false; 10486 10487 // for the uninstall-updates case and restricted profiles, remember the per- 10488 // userhandle installed state 10489 int[] allUsers; 10490 boolean[] perUserInstalled; 10491 synchronized (mPackages) { 10492 PackageSetting ps = mSettings.mPackages.get(packageName); 10493 allUsers = sUserManager.getUserIds(); 10494 perUserInstalled = new boolean[allUsers.length]; 10495 for (int i = 0; i < allUsers.length; i++) { 10496 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10497 } 10498 } 10499 10500 synchronized (mInstallLock) { 10501 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10502 res = deletePackageLI(packageName, 10503 (flags & PackageManager.DELETE_ALL_USERS) != 0 10504 ? UserHandle.ALL : new UserHandle(userId), 10505 true, allUsers, perUserInstalled, 10506 flags | REMOVE_CHATTY, info, true); 10507 systemUpdate = info.isRemovedPackageSystemUpdate; 10508 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10509 removedForAllUsers = true; 10510 } 10511 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10512 + " removedForAllUsers=" + removedForAllUsers); 10513 } 10514 10515 if (res) { 10516 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10517 10518 // If the removed package was a system update, the old system package 10519 // was re-enabled; we need to broadcast this information 10520 if (systemUpdate) { 10521 Bundle extras = new Bundle(1); 10522 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10523 ? info.removedAppId : info.uid); 10524 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10525 10526 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10527 extras, null, null, null); 10528 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10529 extras, null, null, null); 10530 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10531 null, packageName, null, null); 10532 } 10533 } 10534 // Force a gc here. 10535 Runtime.getRuntime().gc(); 10536 // Delete the resources here after sending the broadcast to let 10537 // other processes clean up before deleting resources. 10538 if (info.args != null) { 10539 synchronized (mInstallLock) { 10540 info.args.doPostDeleteLI(true); 10541 } 10542 } 10543 10544 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10545 } 10546 10547 static class PackageRemovedInfo { 10548 String removedPackage; 10549 int uid = -1; 10550 int removedAppId = -1; 10551 int[] removedUsers = null; 10552 boolean isRemovedPackageSystemUpdate = false; 10553 // Clean up resources deleted packages. 10554 InstallArgs args = null; 10555 10556 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10557 Bundle extras = new Bundle(1); 10558 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10559 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10560 if (replacing) { 10561 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10562 } 10563 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10564 if (removedPackage != null) { 10565 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10566 extras, null, null, removedUsers); 10567 if (fullRemove && !replacing) { 10568 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10569 extras, null, null, removedUsers); 10570 } 10571 } 10572 if (removedAppId >= 0) { 10573 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10574 removedUsers); 10575 } 10576 } 10577 } 10578 10579 /* 10580 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10581 * flag is not set, the data directory is removed as well. 10582 * make sure this flag is set for partially installed apps. If not its meaningless to 10583 * delete a partially installed application. 10584 */ 10585 private void removePackageDataLI(PackageSetting ps, 10586 int[] allUserHandles, boolean[] perUserInstalled, 10587 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10588 String packageName = ps.name; 10589 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10590 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10591 // Retrieve object to delete permissions for shared user later on 10592 final PackageSetting deletedPs; 10593 // reader 10594 synchronized (mPackages) { 10595 deletedPs = mSettings.mPackages.get(packageName); 10596 if (outInfo != null) { 10597 outInfo.removedPackage = packageName; 10598 outInfo.removedUsers = deletedPs != null 10599 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10600 : null; 10601 } 10602 } 10603 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10604 removeDataDirsLI(packageName); 10605 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10606 } 10607 // writer 10608 synchronized (mPackages) { 10609 if (deletedPs != null) { 10610 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10611 if (outInfo != null) { 10612 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10613 } 10614 if (deletedPs != null) { 10615 updatePermissionsLPw(deletedPs.name, null, 0); 10616 if (deletedPs.sharedUser != null) { 10617 // remove permissions associated with package 10618 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10619 } 10620 } 10621 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10622 } 10623 // make sure to preserve per-user disabled state if this removal was just 10624 // a downgrade of a system app to the factory package 10625 if (allUserHandles != null && perUserInstalled != null) { 10626 if (DEBUG_REMOVE) { 10627 Slog.d(TAG, "Propagating install state across downgrade"); 10628 } 10629 for (int i = 0; i < allUserHandles.length; i++) { 10630 if (DEBUG_REMOVE) { 10631 Slog.d(TAG, " user " + allUserHandles[i] 10632 + " => " + perUserInstalled[i]); 10633 } 10634 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10635 } 10636 } 10637 } 10638 // can downgrade to reader 10639 if (writeSettings) { 10640 // Save settings now 10641 mSettings.writeLPr(); 10642 } 10643 } 10644 if (outInfo != null) { 10645 // A user ID was deleted here. Go through all users and remove it 10646 // from KeyStore. 10647 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10648 } 10649 } 10650 10651 static boolean locationIsPrivileged(File path) { 10652 try { 10653 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10654 .getCanonicalPath(); 10655 return path.getCanonicalPath().startsWith(privilegedAppDir); 10656 } catch (IOException e) { 10657 Slog.e(TAG, "Unable to access code path " + path); 10658 } 10659 return false; 10660 } 10661 10662 /* 10663 * Tries to delete system package. 10664 */ 10665 private boolean deleteSystemPackageLI(PackageSetting newPs, 10666 int[] allUserHandles, boolean[] perUserInstalled, 10667 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10668 final boolean applyUserRestrictions 10669 = (allUserHandles != null) && (perUserInstalled != null); 10670 PackageSetting disabledPs = null; 10671 // Confirm if the system package has been updated 10672 // An updated system app can be deleted. This will also have to restore 10673 // the system pkg from system partition 10674 // reader 10675 synchronized (mPackages) { 10676 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10677 } 10678 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10679 + " disabledPs=" + disabledPs); 10680 if (disabledPs == null) { 10681 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10682 return false; 10683 } else if (DEBUG_REMOVE) { 10684 Slog.d(TAG, "Deleting system pkg from data partition"); 10685 } 10686 if (DEBUG_REMOVE) { 10687 if (applyUserRestrictions) { 10688 Slog.d(TAG, "Remembering install states:"); 10689 for (int i = 0; i < allUserHandles.length; i++) { 10690 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10691 } 10692 } 10693 } 10694 // Delete the updated package 10695 outInfo.isRemovedPackageSystemUpdate = true; 10696 if (disabledPs.versionCode < newPs.versionCode) { 10697 // Delete data for downgrades 10698 flags &= ~PackageManager.DELETE_KEEP_DATA; 10699 } else { 10700 // Preserve data by setting flag 10701 flags |= PackageManager.DELETE_KEEP_DATA; 10702 } 10703 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10704 allUserHandles, perUserInstalled, outInfo, writeSettings); 10705 if (!ret) { 10706 return false; 10707 } 10708 // writer 10709 synchronized (mPackages) { 10710 // Reinstate the old system package 10711 mSettings.enableSystemPackageLPw(newPs.name); 10712 // Remove any native libraries from the upgraded package. 10713 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10714 } 10715 // Install the system package 10716 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10717 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10718 if (locationIsPrivileged(disabledPs.codePath)) { 10719 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10720 } 10721 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10722 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10723 10724 if (newPkg == null) { 10725 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10726 + " with error:" + mLastScanError); 10727 return false; 10728 } 10729 // writer 10730 synchronized (mPackages) { 10731 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10732 setInternalAppNativeLibraryPath(newPkg, ps); 10733 updatePermissionsLPw(newPkg.packageName, newPkg, 10734 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10735 if (applyUserRestrictions) { 10736 if (DEBUG_REMOVE) { 10737 Slog.d(TAG, "Propagating install state across reinstall"); 10738 } 10739 for (int i = 0; i < allUserHandles.length; i++) { 10740 if (DEBUG_REMOVE) { 10741 Slog.d(TAG, " user " + allUserHandles[i] 10742 + " => " + perUserInstalled[i]); 10743 } 10744 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10745 } 10746 // Regardless of writeSettings we need to ensure that this restriction 10747 // state propagation is persisted 10748 mSettings.writeAllUsersPackageRestrictionsLPr(); 10749 } 10750 // can downgrade to reader here 10751 if (writeSettings) { 10752 mSettings.writeLPr(); 10753 } 10754 } 10755 return true; 10756 } 10757 10758 private boolean deleteInstalledPackageLI(PackageSetting ps, 10759 boolean deleteCodeAndResources, int flags, 10760 int[] allUserHandles, boolean[] perUserInstalled, 10761 PackageRemovedInfo outInfo, boolean writeSettings) { 10762 if (outInfo != null) { 10763 outInfo.uid = ps.appId; 10764 } 10765 10766 // Delete package data from internal structures and also remove data if flag is set 10767 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10768 10769 // Delete application code and resources 10770 if (deleteCodeAndResources && (outInfo != null)) { 10771 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10772 ps.resourcePathString, ps.nativeLibraryPathString, 10773 getAppInstructionSetFromSettings(ps)); 10774 } 10775 return true; 10776 } 10777 10778 /* 10779 * This method handles package deletion in general 10780 */ 10781 private boolean deletePackageLI(String packageName, UserHandle user, 10782 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10783 int flags, PackageRemovedInfo outInfo, 10784 boolean writeSettings) { 10785 if (packageName == null) { 10786 Slog.w(TAG, "Attempt to delete null packageName."); 10787 return false; 10788 } 10789 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10790 PackageSetting ps; 10791 boolean dataOnly = false; 10792 int removeUser = -1; 10793 int appId = -1; 10794 synchronized (mPackages) { 10795 ps = mSettings.mPackages.get(packageName); 10796 if (ps == null) { 10797 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10798 return false; 10799 } 10800 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10801 && user.getIdentifier() != UserHandle.USER_ALL) { 10802 // The caller is asking that the package only be deleted for a single 10803 // user. To do this, we just mark its uninstalled state and delete 10804 // its data. If this is a system app, we only allow this to happen if 10805 // they have set the special DELETE_SYSTEM_APP which requests different 10806 // semantics than normal for uninstalling system apps. 10807 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10808 ps.setUserState(user.getIdentifier(), 10809 COMPONENT_ENABLED_STATE_DEFAULT, 10810 false, //installed 10811 true, //stopped 10812 true, //notLaunched 10813 false, //blocked 10814 null, null, null); 10815 if (!isSystemApp(ps)) { 10816 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10817 // Other user still have this package installed, so all 10818 // we need to do is clear this user's data and save that 10819 // it is uninstalled. 10820 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10821 removeUser = user.getIdentifier(); 10822 appId = ps.appId; 10823 mSettings.writePackageRestrictionsLPr(removeUser); 10824 } else { 10825 // We need to set it back to 'installed' so the uninstall 10826 // broadcasts will be sent correctly. 10827 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10828 ps.setInstalled(true, user.getIdentifier()); 10829 } 10830 } else { 10831 // This is a system app, so we assume that the 10832 // other users still have this package installed, so all 10833 // we need to do is clear this user's data and save that 10834 // it is uninstalled. 10835 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10836 removeUser = user.getIdentifier(); 10837 appId = ps.appId; 10838 mSettings.writePackageRestrictionsLPr(removeUser); 10839 } 10840 } 10841 } 10842 10843 if (removeUser >= 0) { 10844 // From above, we determined that we are deleting this only 10845 // for a single user. Continue the work here. 10846 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10847 if (outInfo != null) { 10848 outInfo.removedPackage = packageName; 10849 outInfo.removedAppId = appId; 10850 outInfo.removedUsers = new int[] {removeUser}; 10851 } 10852 mInstaller.clearUserData(packageName, removeUser); 10853 removeKeystoreDataIfNeeded(removeUser, appId); 10854 schedulePackageCleaning(packageName, removeUser, false); 10855 return true; 10856 } 10857 10858 if (dataOnly) { 10859 // Delete application data first 10860 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10861 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10862 return true; 10863 } 10864 10865 boolean ret = false; 10866 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10867 if (isSystemApp(ps)) { 10868 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10869 // When an updated system application is deleted we delete the existing resources as well and 10870 // fall back to existing code in system partition 10871 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10872 flags, outInfo, writeSettings); 10873 } else { 10874 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10875 // Kill application pre-emptively especially for apps on sd. 10876 killApplication(packageName, ps.appId, "uninstall pkg"); 10877 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10878 allUserHandles, perUserInstalled, 10879 outInfo, writeSettings); 10880 } 10881 10882 return ret; 10883 } 10884 10885 private final class ClearStorageConnection implements ServiceConnection { 10886 IMediaContainerService mContainerService; 10887 10888 @Override 10889 public void onServiceConnected(ComponentName name, IBinder service) { 10890 synchronized (this) { 10891 mContainerService = IMediaContainerService.Stub.asInterface(service); 10892 notifyAll(); 10893 } 10894 } 10895 10896 @Override 10897 public void onServiceDisconnected(ComponentName name) { 10898 } 10899 } 10900 10901 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10902 final boolean mounted; 10903 if (Environment.isExternalStorageEmulated()) { 10904 mounted = true; 10905 } else { 10906 final String status = Environment.getExternalStorageState(); 10907 10908 mounted = status.equals(Environment.MEDIA_MOUNTED) 10909 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10910 } 10911 10912 if (!mounted) { 10913 return; 10914 } 10915 10916 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10917 int[] users; 10918 if (userId == UserHandle.USER_ALL) { 10919 users = sUserManager.getUserIds(); 10920 } else { 10921 users = new int[] { userId }; 10922 } 10923 final ClearStorageConnection conn = new ClearStorageConnection(); 10924 if (mContext.bindServiceAsUser( 10925 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10926 try { 10927 for (int curUser : users) { 10928 long timeout = SystemClock.uptimeMillis() + 5000; 10929 synchronized (conn) { 10930 long now = SystemClock.uptimeMillis(); 10931 while (conn.mContainerService == null && now < timeout) { 10932 try { 10933 conn.wait(timeout - now); 10934 } catch (InterruptedException e) { 10935 } 10936 } 10937 } 10938 if (conn.mContainerService == null) { 10939 return; 10940 } 10941 10942 final UserEnvironment userEnv = new UserEnvironment(curUser); 10943 clearDirectory(conn.mContainerService, 10944 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10945 if (allData) { 10946 clearDirectory(conn.mContainerService, 10947 userEnv.buildExternalStorageAppDataDirs(packageName)); 10948 clearDirectory(conn.mContainerService, 10949 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10950 } 10951 } 10952 } finally { 10953 mContext.unbindService(conn); 10954 } 10955 } 10956 } 10957 10958 @Override 10959 public void clearApplicationUserData(final String packageName, 10960 final IPackageDataObserver observer, final int userId) { 10961 mContext.enforceCallingOrSelfPermission( 10962 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10963 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10964 // Queue up an async operation since the package deletion may take a little while. 10965 mHandler.post(new Runnable() { 10966 public void run() { 10967 mHandler.removeCallbacks(this); 10968 final boolean succeeded; 10969 synchronized (mInstallLock) { 10970 succeeded = clearApplicationUserDataLI(packageName, userId); 10971 } 10972 clearExternalStorageDataSync(packageName, userId, true); 10973 if (succeeded) { 10974 // invoke DeviceStorageMonitor's update method to clear any notifications 10975 DeviceStorageMonitorInternal 10976 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10977 if (dsm != null) { 10978 dsm.checkMemory(); 10979 } 10980 } 10981 if(observer != null) { 10982 try { 10983 observer.onRemoveCompleted(packageName, succeeded); 10984 } catch (RemoteException e) { 10985 Log.i(TAG, "Observer no longer exists."); 10986 } 10987 } //end if observer 10988 } //end run 10989 }); 10990 } 10991 10992 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10993 if (packageName == null) { 10994 Slog.w(TAG, "Attempt to delete null packageName."); 10995 return false; 10996 } 10997 PackageParser.Package p; 10998 boolean dataOnly = false; 10999 final int appId; 11000 synchronized (mPackages) { 11001 p = mPackages.get(packageName); 11002 if (p == null) { 11003 dataOnly = true; 11004 PackageSetting ps = mSettings.mPackages.get(packageName); 11005 if ((ps == null) || (ps.pkg == null)) { 11006 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11007 return false; 11008 } 11009 p = ps.pkg; 11010 } 11011 if (!dataOnly) { 11012 // need to check this only for fully installed applications 11013 if (p == null) { 11014 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11015 return false; 11016 } 11017 final ApplicationInfo applicationInfo = p.applicationInfo; 11018 if (applicationInfo == null) { 11019 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11020 return false; 11021 } 11022 } 11023 if (p != null && p.applicationInfo != null) { 11024 appId = p.applicationInfo.uid; 11025 } else { 11026 appId = -1; 11027 } 11028 } 11029 int retCode = mInstaller.clearUserData(packageName, userId); 11030 if (retCode < 0) { 11031 Slog.w(TAG, "Couldn't remove cache files for package: " 11032 + packageName); 11033 return false; 11034 } 11035 removeKeystoreDataIfNeeded(userId, appId); 11036 return true; 11037 } 11038 11039 /** 11040 * Remove entries from the keystore daemon. Will only remove it if the 11041 * {@code appId} is valid. 11042 */ 11043 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11044 if (appId < 0) { 11045 return; 11046 } 11047 11048 final KeyStore keyStore = KeyStore.getInstance(); 11049 if (keyStore != null) { 11050 if (userId == UserHandle.USER_ALL) { 11051 for (final int individual : sUserManager.getUserIds()) { 11052 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11053 } 11054 } else { 11055 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11056 } 11057 } else { 11058 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11059 } 11060 } 11061 11062 @Override 11063 public void deleteApplicationCacheFiles(final String packageName, 11064 final IPackageDataObserver observer) { 11065 mContext.enforceCallingOrSelfPermission( 11066 android.Manifest.permission.DELETE_CACHE_FILES, null); 11067 // Queue up an async operation since the package deletion may take a little while. 11068 final int userId = UserHandle.getCallingUserId(); 11069 mHandler.post(new Runnable() { 11070 public void run() { 11071 mHandler.removeCallbacks(this); 11072 final boolean succeded; 11073 synchronized (mInstallLock) { 11074 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11075 } 11076 clearExternalStorageDataSync(packageName, userId, false); 11077 if(observer != null) { 11078 try { 11079 observer.onRemoveCompleted(packageName, succeded); 11080 } catch (RemoteException e) { 11081 Log.i(TAG, "Observer no longer exists."); 11082 } 11083 } //end if observer 11084 } //end run 11085 }); 11086 } 11087 11088 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11089 if (packageName == null) { 11090 Slog.w(TAG, "Attempt to delete null packageName."); 11091 return false; 11092 } 11093 PackageParser.Package p; 11094 synchronized (mPackages) { 11095 p = mPackages.get(packageName); 11096 } 11097 if (p == null) { 11098 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11099 return false; 11100 } 11101 final ApplicationInfo applicationInfo = p.applicationInfo; 11102 if (applicationInfo == null) { 11103 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11104 return false; 11105 } 11106 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11107 if (retCode < 0) { 11108 Slog.w(TAG, "Couldn't remove cache files for package: " 11109 + packageName + " u" + userId); 11110 return false; 11111 } 11112 return true; 11113 } 11114 11115 @Override 11116 public void getPackageSizeInfo(final String packageName, int userHandle, 11117 final IPackageStatsObserver observer) { 11118 mContext.enforceCallingOrSelfPermission( 11119 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11120 if (packageName == null) { 11121 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11122 } 11123 11124 PackageStats stats = new PackageStats(packageName, userHandle); 11125 11126 /* 11127 * Queue up an async operation since the package measurement may take a 11128 * little while. 11129 */ 11130 Message msg = mHandler.obtainMessage(INIT_COPY); 11131 msg.obj = new MeasureParams(stats, observer); 11132 mHandler.sendMessage(msg); 11133 } 11134 11135 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11136 PackageStats pStats) { 11137 if (packageName == null) { 11138 Slog.w(TAG, "Attempt to get size of null packageName."); 11139 return false; 11140 } 11141 PackageParser.Package p; 11142 boolean dataOnly = false; 11143 String libDirPath = null; 11144 String asecPath = null; 11145 PackageSetting ps = null; 11146 synchronized (mPackages) { 11147 p = mPackages.get(packageName); 11148 ps = mSettings.mPackages.get(packageName); 11149 if(p == null) { 11150 dataOnly = true; 11151 if((ps == null) || (ps.pkg == null)) { 11152 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11153 return false; 11154 } 11155 p = ps.pkg; 11156 } 11157 if (ps != null) { 11158 libDirPath = ps.nativeLibraryPathString; 11159 } 11160 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11161 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11162 if (secureContainerId != null) { 11163 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11164 } 11165 } 11166 } 11167 String publicSrcDir = null; 11168 if(!dataOnly) { 11169 final ApplicationInfo applicationInfo = p.applicationInfo; 11170 if (applicationInfo == null) { 11171 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11172 return false; 11173 } 11174 if (isForwardLocked(p)) { 11175 publicSrcDir = applicationInfo.publicSourceDir; 11176 } 11177 } 11178 int res = mInstaller.getSizeInfo(packageName, userHandle, p.codePath, libDirPath, 11179 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11180 pStats); 11181 if (res < 0) { 11182 return false; 11183 } 11184 11185 // Fix-up for forward-locked applications in ASEC containers. 11186 if (!isExternal(p)) { 11187 pStats.codeSize += pStats.externalCodeSize; 11188 pStats.externalCodeSize = 0L; 11189 } 11190 11191 return true; 11192 } 11193 11194 11195 @Override 11196 public void addPackageToPreferred(String packageName) { 11197 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11198 } 11199 11200 @Override 11201 public void removePackageFromPreferred(String packageName) { 11202 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11203 } 11204 11205 @Override 11206 public List<PackageInfo> getPreferredPackages(int flags) { 11207 return new ArrayList<PackageInfo>(); 11208 } 11209 11210 private int getUidTargetSdkVersionLockedLPr(int uid) { 11211 Object obj = mSettings.getUserIdLPr(uid); 11212 if (obj instanceof SharedUserSetting) { 11213 final SharedUserSetting sus = (SharedUserSetting) obj; 11214 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11215 final Iterator<PackageSetting> it = sus.packages.iterator(); 11216 while (it.hasNext()) { 11217 final PackageSetting ps = it.next(); 11218 if (ps.pkg != null) { 11219 int v = ps.pkg.applicationInfo.targetSdkVersion; 11220 if (v < vers) vers = v; 11221 } 11222 } 11223 return vers; 11224 } else if (obj instanceof PackageSetting) { 11225 final PackageSetting ps = (PackageSetting) obj; 11226 if (ps.pkg != null) { 11227 return ps.pkg.applicationInfo.targetSdkVersion; 11228 } 11229 } 11230 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11231 } 11232 11233 @Override 11234 public void addPreferredActivity(IntentFilter filter, int match, 11235 ComponentName[] set, ComponentName activity, int userId) { 11236 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11237 } 11238 11239 private void addPreferredActivityInternal(IntentFilter filter, int match, 11240 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11241 // writer 11242 int callingUid = Binder.getCallingUid(); 11243 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11244 if (filter.countActions() == 0) { 11245 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11246 return; 11247 } 11248 synchronized (mPackages) { 11249 if (mContext.checkCallingOrSelfPermission( 11250 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11251 != PackageManager.PERMISSION_GRANTED) { 11252 if (getUidTargetSdkVersionLockedLPr(callingUid) 11253 < Build.VERSION_CODES.FROYO) { 11254 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11255 + callingUid); 11256 return; 11257 } 11258 mContext.enforceCallingOrSelfPermission( 11259 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11260 } 11261 11262 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11263 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11264 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11265 new PreferredActivity(filter, match, set, activity, always)); 11266 mSettings.writePackageRestrictionsLPr(userId); 11267 } 11268 } 11269 11270 @Override 11271 public void replacePreferredActivity(IntentFilter filter, int match, 11272 ComponentName[] set, ComponentName activity) { 11273 if (filter.countActions() != 1) { 11274 throw new IllegalArgumentException( 11275 "replacePreferredActivity expects filter to have only 1 action."); 11276 } 11277 if (filter.countDataAuthorities() != 0 11278 || filter.countDataPaths() != 0 11279 || filter.countDataSchemes() > 1 11280 || filter.countDataTypes() != 0) { 11281 throw new IllegalArgumentException( 11282 "replacePreferredActivity expects filter to have no data authorities, " + 11283 "paths, or types; and at most one scheme."); 11284 } 11285 synchronized (mPackages) { 11286 if (mContext.checkCallingOrSelfPermission( 11287 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11288 != PackageManager.PERMISSION_GRANTED) { 11289 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11290 < Build.VERSION_CODES.FROYO) { 11291 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11292 + Binder.getCallingUid()); 11293 return; 11294 } 11295 mContext.enforceCallingOrSelfPermission( 11296 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11297 } 11298 11299 final int callingUserId = UserHandle.getCallingUserId(); 11300 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11301 if (pir != null) { 11302 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11303 if (filter.countDataSchemes() == 1) { 11304 Uri.Builder builder = new Uri.Builder(); 11305 builder.scheme(filter.getDataScheme(0)); 11306 intent.setData(builder.build()); 11307 } 11308 List<PreferredActivity> matches = pir.queryIntent( 11309 intent, null, true, callingUserId); 11310 if (DEBUG_PREFERRED) { 11311 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11312 } 11313 for (int i = 0; i < matches.size(); i++) { 11314 PreferredActivity pa = matches.get(i); 11315 if (DEBUG_PREFERRED) { 11316 Slog.i(TAG, "Removing preferred activity " 11317 + pa.mPref.mComponent + ":"); 11318 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11319 } 11320 pir.removeFilter(pa); 11321 } 11322 } 11323 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11324 } 11325 } 11326 11327 @Override 11328 public void clearPackagePreferredActivities(String packageName) { 11329 final int uid = Binder.getCallingUid(); 11330 // writer 11331 synchronized (mPackages) { 11332 PackageParser.Package pkg = mPackages.get(packageName); 11333 if (pkg == null || pkg.applicationInfo.uid != uid) { 11334 if (mContext.checkCallingOrSelfPermission( 11335 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11336 != PackageManager.PERMISSION_GRANTED) { 11337 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11338 < Build.VERSION_CODES.FROYO) { 11339 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11340 + Binder.getCallingUid()); 11341 return; 11342 } 11343 mContext.enforceCallingOrSelfPermission( 11344 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11345 } 11346 } 11347 11348 int user = UserHandle.getCallingUserId(); 11349 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11350 mSettings.writePackageRestrictionsLPr(user); 11351 scheduleWriteSettingsLocked(); 11352 } 11353 } 11354 } 11355 11356 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11357 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11358 ArrayList<PreferredActivity> removed = null; 11359 boolean changed = false; 11360 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11361 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11362 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11363 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11364 continue; 11365 } 11366 Iterator<PreferredActivity> it = pir.filterIterator(); 11367 while (it.hasNext()) { 11368 PreferredActivity pa = it.next(); 11369 // Mark entry for removal only if it matches the package name 11370 // and the entry is of type "always". 11371 if (packageName == null || 11372 (pa.mPref.mComponent.getPackageName().equals(packageName) 11373 && pa.mPref.mAlways)) { 11374 if (removed == null) { 11375 removed = new ArrayList<PreferredActivity>(); 11376 } 11377 removed.add(pa); 11378 } 11379 } 11380 if (removed != null) { 11381 for (int j=0; j<removed.size(); j++) { 11382 PreferredActivity pa = removed.get(j); 11383 pir.removeFilter(pa); 11384 } 11385 changed = true; 11386 } 11387 } 11388 return changed; 11389 } 11390 11391 @Override 11392 public void resetPreferredActivities(int userId) { 11393 mContext.enforceCallingOrSelfPermission( 11394 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11395 // writer 11396 synchronized (mPackages) { 11397 int user = UserHandle.getCallingUserId(); 11398 clearPackagePreferredActivitiesLPw(null, user); 11399 mSettings.readDefaultPreferredAppsLPw(this, user); 11400 mSettings.writePackageRestrictionsLPr(user); 11401 scheduleWriteSettingsLocked(); 11402 } 11403 } 11404 11405 @Override 11406 public int getPreferredActivities(List<IntentFilter> outFilters, 11407 List<ComponentName> outActivities, String packageName) { 11408 11409 int num = 0; 11410 final int userId = UserHandle.getCallingUserId(); 11411 // reader 11412 synchronized (mPackages) { 11413 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11414 if (pir != null) { 11415 final Iterator<PreferredActivity> it = pir.filterIterator(); 11416 while (it.hasNext()) { 11417 final PreferredActivity pa = it.next(); 11418 if (packageName == null 11419 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11420 && pa.mPref.mAlways)) { 11421 if (outFilters != null) { 11422 outFilters.add(new IntentFilter(pa)); 11423 } 11424 if (outActivities != null) { 11425 outActivities.add(pa.mPref.mComponent); 11426 } 11427 } 11428 } 11429 } 11430 } 11431 11432 return num; 11433 } 11434 11435 @Override 11436 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11437 int userId) { 11438 int callingUid = Binder.getCallingUid(); 11439 if (callingUid != Process.SYSTEM_UID) { 11440 throw new SecurityException( 11441 "addPersistentPreferredActivity can only be run by the system"); 11442 } 11443 if (filter.countActions() == 0) { 11444 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11445 return; 11446 } 11447 synchronized (mPackages) { 11448 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11449 " :"); 11450 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11451 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11452 new PersistentPreferredActivity(filter, activity)); 11453 mSettings.writePackageRestrictionsLPr(userId); 11454 } 11455 } 11456 11457 @Override 11458 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11459 int callingUid = Binder.getCallingUid(); 11460 if (callingUid != Process.SYSTEM_UID) { 11461 throw new SecurityException( 11462 "clearPackagePersistentPreferredActivities can only be run by the system"); 11463 } 11464 ArrayList<PersistentPreferredActivity> removed = null; 11465 boolean changed = false; 11466 synchronized (mPackages) { 11467 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11468 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11469 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11470 .valueAt(i); 11471 if (userId != thisUserId) { 11472 continue; 11473 } 11474 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11475 while (it.hasNext()) { 11476 PersistentPreferredActivity ppa = it.next(); 11477 // Mark entry for removal only if it matches the package name. 11478 if (ppa.mComponent.getPackageName().equals(packageName)) { 11479 if (removed == null) { 11480 removed = new ArrayList<PersistentPreferredActivity>(); 11481 } 11482 removed.add(ppa); 11483 } 11484 } 11485 if (removed != null) { 11486 for (int j=0; j<removed.size(); j++) { 11487 PersistentPreferredActivity ppa = removed.get(j); 11488 ppir.removeFilter(ppa); 11489 } 11490 changed = true; 11491 } 11492 } 11493 11494 if (changed) { 11495 mSettings.writePackageRestrictionsLPr(userId); 11496 } 11497 } 11498 } 11499 11500 @Override 11501 public void addCrossProfileIntentFilter(IntentFilter filter, boolean removable, 11502 int sourceUserId, int targetUserId) { 11503 mContext.enforceCallingOrSelfPermission( 11504 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11505 if (filter.countActions() == 0) { 11506 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11507 return; 11508 } 11509 synchronized (mPackages) { 11510 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter( 11511 new CrossProfileIntentFilter(filter, removable, targetUserId)); 11512 mSettings.writePackageRestrictionsLPr(sourceUserId); 11513 } 11514 } 11515 11516 @Override 11517 public void clearCrossProfileIntentFilters(int sourceUserId) { 11518 mContext.enforceCallingOrSelfPermission( 11519 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11520 synchronized (mPackages) { 11521 CrossProfileIntentResolver cpir = 11522 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11523 HashSet<CrossProfileIntentFilter> set = 11524 new HashSet<CrossProfileIntentFilter>(cpir.filterSet()); 11525 for (CrossProfileIntentFilter cpif : set) { 11526 if (cpif.isRemovable()) cpir.removeFilter(cpif); 11527 } 11528 mSettings.writePackageRestrictionsLPr(sourceUserId); 11529 } 11530 } 11531 11532 @Override 11533 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11534 Intent intent = new Intent(Intent.ACTION_MAIN); 11535 intent.addCategory(Intent.CATEGORY_HOME); 11536 11537 final int callingUserId = UserHandle.getCallingUserId(); 11538 List<ResolveInfo> list = queryIntentActivities(intent, null, 11539 PackageManager.GET_META_DATA, callingUserId); 11540 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11541 true, false, false, callingUserId); 11542 11543 allHomeCandidates.clear(); 11544 if (list != null) { 11545 for (ResolveInfo ri : list) { 11546 allHomeCandidates.add(ri); 11547 } 11548 } 11549 return (preferred == null || preferred.activityInfo == null) 11550 ? null 11551 : new ComponentName(preferred.activityInfo.packageName, 11552 preferred.activityInfo.name); 11553 } 11554 11555 @Override 11556 public void setApplicationEnabledSetting(String appPackageName, 11557 int newState, int flags, int userId, String callingPackage) { 11558 if (!sUserManager.exists(userId)) return; 11559 if (callingPackage == null) { 11560 callingPackage = Integer.toString(Binder.getCallingUid()); 11561 } 11562 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11563 } 11564 11565 @Override 11566 public void setComponentEnabledSetting(ComponentName componentName, 11567 int newState, int flags, int userId) { 11568 if (!sUserManager.exists(userId)) return; 11569 setEnabledSetting(componentName.getPackageName(), 11570 componentName.getClassName(), newState, flags, userId, null); 11571 } 11572 11573 private void setEnabledSetting(final String packageName, String className, int newState, 11574 final int flags, int userId, String callingPackage) { 11575 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11576 || newState == COMPONENT_ENABLED_STATE_ENABLED 11577 || newState == COMPONENT_ENABLED_STATE_DISABLED 11578 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11579 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11580 throw new IllegalArgumentException("Invalid new component state: " 11581 + newState); 11582 } 11583 PackageSetting pkgSetting; 11584 final int uid = Binder.getCallingUid(); 11585 final int permission = mContext.checkCallingOrSelfPermission( 11586 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11587 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11588 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11589 boolean sendNow = false; 11590 boolean isApp = (className == null); 11591 String componentName = isApp ? packageName : className; 11592 int packageUid = -1; 11593 ArrayList<String> components; 11594 11595 // writer 11596 synchronized (mPackages) { 11597 pkgSetting = mSettings.mPackages.get(packageName); 11598 if (pkgSetting == null) { 11599 if (className == null) { 11600 throw new IllegalArgumentException( 11601 "Unknown package: " + packageName); 11602 } 11603 throw new IllegalArgumentException( 11604 "Unknown component: " + packageName 11605 + "/" + className); 11606 } 11607 // Allow root and verify that userId is not being specified by a different user 11608 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11609 throw new SecurityException( 11610 "Permission Denial: attempt to change component state from pid=" 11611 + Binder.getCallingPid() 11612 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11613 } 11614 if (className == null) { 11615 // We're dealing with an application/package level state change 11616 if (pkgSetting.getEnabled(userId) == newState) { 11617 // Nothing to do 11618 return; 11619 } 11620 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11621 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11622 // Don't care about who enables an app. 11623 callingPackage = null; 11624 } 11625 pkgSetting.setEnabled(newState, userId, callingPackage); 11626 // pkgSetting.pkg.mSetEnabled = newState; 11627 } else { 11628 // We're dealing with a component level state change 11629 // First, verify that this is a valid class name. 11630 PackageParser.Package pkg = pkgSetting.pkg; 11631 if (pkg == null || !pkg.hasComponentClassName(className)) { 11632 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11633 throw new IllegalArgumentException("Component class " + className 11634 + " does not exist in " + packageName); 11635 } else { 11636 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11637 + className + " does not exist in " + packageName); 11638 } 11639 } 11640 switch (newState) { 11641 case COMPONENT_ENABLED_STATE_ENABLED: 11642 if (!pkgSetting.enableComponentLPw(className, userId)) { 11643 return; 11644 } 11645 break; 11646 case COMPONENT_ENABLED_STATE_DISABLED: 11647 if (!pkgSetting.disableComponentLPw(className, userId)) { 11648 return; 11649 } 11650 break; 11651 case COMPONENT_ENABLED_STATE_DEFAULT: 11652 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11653 return; 11654 } 11655 break; 11656 default: 11657 Slog.e(TAG, "Invalid new component state: " + newState); 11658 return; 11659 } 11660 } 11661 mSettings.writePackageRestrictionsLPr(userId); 11662 components = mPendingBroadcasts.get(userId, packageName); 11663 final boolean newPackage = components == null; 11664 if (newPackage) { 11665 components = new ArrayList<String>(); 11666 } 11667 if (!components.contains(componentName)) { 11668 components.add(componentName); 11669 } 11670 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11671 sendNow = true; 11672 // Purge entry from pending broadcast list if another one exists already 11673 // since we are sending one right away. 11674 mPendingBroadcasts.remove(userId, packageName); 11675 } else { 11676 if (newPackage) { 11677 mPendingBroadcasts.put(userId, packageName, components); 11678 } 11679 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11680 // Schedule a message 11681 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11682 } 11683 } 11684 } 11685 11686 long callingId = Binder.clearCallingIdentity(); 11687 try { 11688 if (sendNow) { 11689 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11690 sendPackageChangedBroadcast(packageName, 11691 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11692 } 11693 } finally { 11694 Binder.restoreCallingIdentity(callingId); 11695 } 11696 } 11697 11698 private void sendPackageChangedBroadcast(String packageName, 11699 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11700 if (DEBUG_INSTALL) 11701 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11702 + componentNames); 11703 Bundle extras = new Bundle(4); 11704 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11705 String nameList[] = new String[componentNames.size()]; 11706 componentNames.toArray(nameList); 11707 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11708 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11709 extras.putInt(Intent.EXTRA_UID, packageUid); 11710 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11711 new int[] {UserHandle.getUserId(packageUid)}); 11712 } 11713 11714 @Override 11715 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11716 if (!sUserManager.exists(userId)) return; 11717 final int uid = Binder.getCallingUid(); 11718 final int permission = mContext.checkCallingOrSelfPermission( 11719 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11720 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11721 enforceCrossUserPermission(uid, userId, true, "stop package"); 11722 // writer 11723 synchronized (mPackages) { 11724 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11725 uid, userId)) { 11726 scheduleWritePackageRestrictionsLocked(userId); 11727 } 11728 } 11729 } 11730 11731 @Override 11732 public String getInstallerPackageName(String packageName) { 11733 // reader 11734 synchronized (mPackages) { 11735 return mSettings.getInstallerPackageNameLPr(packageName); 11736 } 11737 } 11738 11739 @Override 11740 public int getApplicationEnabledSetting(String packageName, int userId) { 11741 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11742 int uid = Binder.getCallingUid(); 11743 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11744 // reader 11745 synchronized (mPackages) { 11746 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11747 } 11748 } 11749 11750 @Override 11751 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11752 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11753 int uid = Binder.getCallingUid(); 11754 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11755 // reader 11756 synchronized (mPackages) { 11757 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11758 } 11759 } 11760 11761 @Override 11762 public void enterSafeMode() { 11763 enforceSystemOrRoot("Only the system can request entering safe mode"); 11764 11765 if (!mSystemReady) { 11766 mSafeMode = true; 11767 } 11768 } 11769 11770 @Override 11771 public void systemReady() { 11772 mSystemReady = true; 11773 11774 // Read the compatibilty setting when the system is ready. 11775 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11776 mContext.getContentResolver(), 11777 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11778 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11779 if (DEBUG_SETTINGS) { 11780 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11781 } 11782 11783 synchronized (mPackages) { 11784 // Verify that all of the preferred activity components actually 11785 // exist. It is possible for applications to be updated and at 11786 // that point remove a previously declared activity component that 11787 // had been set as a preferred activity. We try to clean this up 11788 // the next time we encounter that preferred activity, but it is 11789 // possible for the user flow to never be able to return to that 11790 // situation so here we do a sanity check to make sure we haven't 11791 // left any junk around. 11792 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11793 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11794 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11795 removed.clear(); 11796 for (PreferredActivity pa : pir.filterSet()) { 11797 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11798 removed.add(pa); 11799 } 11800 } 11801 if (removed.size() > 0) { 11802 for (int r=0; r<removed.size(); r++) { 11803 PreferredActivity pa = removed.get(r); 11804 Slog.w(TAG, "Removing dangling preferred activity: " 11805 + pa.mPref.mComponent); 11806 pir.removeFilter(pa); 11807 } 11808 mSettings.writePackageRestrictionsLPr( 11809 mSettings.mPreferredActivities.keyAt(i)); 11810 } 11811 } 11812 } 11813 sUserManager.systemReady(); 11814 } 11815 11816 @Override 11817 public boolean isSafeMode() { 11818 return mSafeMode; 11819 } 11820 11821 @Override 11822 public boolean hasSystemUidErrors() { 11823 return mHasSystemUidErrors; 11824 } 11825 11826 static String arrayToString(int[] array) { 11827 StringBuffer buf = new StringBuffer(128); 11828 buf.append('['); 11829 if (array != null) { 11830 for (int i=0; i<array.length; i++) { 11831 if (i > 0) buf.append(", "); 11832 buf.append(array[i]); 11833 } 11834 } 11835 buf.append(']'); 11836 return buf.toString(); 11837 } 11838 11839 static class DumpState { 11840 public static final int DUMP_LIBS = 1 << 0; 11841 11842 public static final int DUMP_FEATURES = 1 << 1; 11843 11844 public static final int DUMP_RESOLVERS = 1 << 2; 11845 11846 public static final int DUMP_PERMISSIONS = 1 << 3; 11847 11848 public static final int DUMP_PACKAGES = 1 << 4; 11849 11850 public static final int DUMP_SHARED_USERS = 1 << 5; 11851 11852 public static final int DUMP_MESSAGES = 1 << 6; 11853 11854 public static final int DUMP_PROVIDERS = 1 << 7; 11855 11856 public static final int DUMP_VERIFIERS = 1 << 8; 11857 11858 public static final int DUMP_PREFERRED = 1 << 9; 11859 11860 public static final int DUMP_PREFERRED_XML = 1 << 10; 11861 11862 public static final int DUMP_KEYSETS = 1 << 11; 11863 11864 public static final int DUMP_VERSION = 1 << 12; 11865 11866 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11867 11868 private int mTypes; 11869 11870 private int mOptions; 11871 11872 private boolean mTitlePrinted; 11873 11874 private SharedUserSetting mSharedUser; 11875 11876 public boolean isDumping(int type) { 11877 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11878 return true; 11879 } 11880 11881 return (mTypes & type) != 0; 11882 } 11883 11884 public void setDump(int type) { 11885 mTypes |= type; 11886 } 11887 11888 public boolean isOptionEnabled(int option) { 11889 return (mOptions & option) != 0; 11890 } 11891 11892 public void setOptionEnabled(int option) { 11893 mOptions |= option; 11894 } 11895 11896 public boolean onTitlePrinted() { 11897 final boolean printed = mTitlePrinted; 11898 mTitlePrinted = true; 11899 return printed; 11900 } 11901 11902 public boolean getTitlePrinted() { 11903 return mTitlePrinted; 11904 } 11905 11906 public void setTitlePrinted(boolean enabled) { 11907 mTitlePrinted = enabled; 11908 } 11909 11910 public SharedUserSetting getSharedUser() { 11911 return mSharedUser; 11912 } 11913 11914 public void setSharedUser(SharedUserSetting user) { 11915 mSharedUser = user; 11916 } 11917 } 11918 11919 @Override 11920 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11921 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11922 != PackageManager.PERMISSION_GRANTED) { 11923 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11924 + Binder.getCallingPid() 11925 + ", uid=" + Binder.getCallingUid() 11926 + " without permission " 11927 + android.Manifest.permission.DUMP); 11928 return; 11929 } 11930 11931 DumpState dumpState = new DumpState(); 11932 boolean fullPreferred = false; 11933 boolean checkin = false; 11934 11935 String packageName = null; 11936 11937 int opti = 0; 11938 while (opti < args.length) { 11939 String opt = args[opti]; 11940 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11941 break; 11942 } 11943 opti++; 11944 if ("-a".equals(opt)) { 11945 // Right now we only know how to print all. 11946 } else if ("-h".equals(opt)) { 11947 pw.println("Package manager dump options:"); 11948 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11949 pw.println(" --checkin: dump for a checkin"); 11950 pw.println(" -f: print details of intent filters"); 11951 pw.println(" -h: print this help"); 11952 pw.println(" cmd may be one of:"); 11953 pw.println(" l[ibraries]: list known shared libraries"); 11954 pw.println(" f[ibraries]: list device features"); 11955 pw.println(" k[eysets]: print known keysets"); 11956 pw.println(" r[esolvers]: dump intent resolvers"); 11957 pw.println(" perm[issions]: dump permissions"); 11958 pw.println(" pref[erred]: print preferred package settings"); 11959 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11960 pw.println(" prov[iders]: dump content providers"); 11961 pw.println(" p[ackages]: dump installed packages"); 11962 pw.println(" s[hared-users]: dump shared user IDs"); 11963 pw.println(" m[essages]: print collected runtime messages"); 11964 pw.println(" v[erifiers]: print package verifier info"); 11965 pw.println(" version: print database version info"); 11966 pw.println(" write: write current settings now"); 11967 pw.println(" <package.name>: info about given package"); 11968 return; 11969 } else if ("--checkin".equals(opt)) { 11970 checkin = true; 11971 } else if ("-f".equals(opt)) { 11972 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11973 } else { 11974 pw.println("Unknown argument: " + opt + "; use -h for help"); 11975 } 11976 } 11977 11978 // Is the caller requesting to dump a particular piece of data? 11979 if (opti < args.length) { 11980 String cmd = args[opti]; 11981 opti++; 11982 // Is this a package name? 11983 if ("android".equals(cmd) || cmd.contains(".")) { 11984 packageName = cmd; 11985 // When dumping a single package, we always dump all of its 11986 // filter information since the amount of data will be reasonable. 11987 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11988 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11989 dumpState.setDump(DumpState.DUMP_LIBS); 11990 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11991 dumpState.setDump(DumpState.DUMP_FEATURES); 11992 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11993 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11994 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11995 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11996 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11997 dumpState.setDump(DumpState.DUMP_PREFERRED); 11998 } else if ("preferred-xml".equals(cmd)) { 11999 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12000 if (opti < args.length && "--full".equals(args[opti])) { 12001 fullPreferred = true; 12002 opti++; 12003 } 12004 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12005 dumpState.setDump(DumpState.DUMP_PACKAGES); 12006 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12007 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12008 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12009 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12010 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12011 dumpState.setDump(DumpState.DUMP_MESSAGES); 12012 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12013 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12014 } else if ("version".equals(cmd)) { 12015 dumpState.setDump(DumpState.DUMP_VERSION); 12016 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12017 dumpState.setDump(DumpState.DUMP_KEYSETS); 12018 } else if ("write".equals(cmd)) { 12019 synchronized (mPackages) { 12020 mSettings.writeLPr(); 12021 pw.println("Settings written."); 12022 return; 12023 } 12024 } 12025 } 12026 12027 if (checkin) { 12028 pw.println("vers,1"); 12029 } 12030 12031 // reader 12032 synchronized (mPackages) { 12033 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12034 if (!checkin) { 12035 if (dumpState.onTitlePrinted()) 12036 pw.println(); 12037 pw.println("Database versions:"); 12038 pw.print(" SDK Version:"); 12039 pw.print(" internal="); 12040 pw.print(mSettings.mInternalSdkPlatform); 12041 pw.print(" external="); 12042 pw.println(mSettings.mExternalSdkPlatform); 12043 pw.print(" DB Version:"); 12044 pw.print(" internal="); 12045 pw.print(mSettings.mInternalDatabaseVersion); 12046 pw.print(" external="); 12047 pw.println(mSettings.mExternalDatabaseVersion); 12048 } 12049 } 12050 12051 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12052 if (!checkin) { 12053 if (dumpState.onTitlePrinted()) 12054 pw.println(); 12055 pw.println("Verifiers:"); 12056 pw.print(" Required: "); 12057 pw.print(mRequiredVerifierPackage); 12058 pw.print(" (uid="); 12059 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12060 pw.println(")"); 12061 } else if (mRequiredVerifierPackage != null) { 12062 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12063 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12064 } 12065 } 12066 12067 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12068 boolean printedHeader = false; 12069 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12070 while (it.hasNext()) { 12071 String name = it.next(); 12072 SharedLibraryEntry ent = mSharedLibraries.get(name); 12073 if (!checkin) { 12074 if (!printedHeader) { 12075 if (dumpState.onTitlePrinted()) 12076 pw.println(); 12077 pw.println("Libraries:"); 12078 printedHeader = true; 12079 } 12080 pw.print(" "); 12081 } else { 12082 pw.print("lib,"); 12083 } 12084 pw.print(name); 12085 if (!checkin) { 12086 pw.print(" -> "); 12087 } 12088 if (ent.path != null) { 12089 if (!checkin) { 12090 pw.print("(jar) "); 12091 pw.print(ent.path); 12092 } else { 12093 pw.print(",jar,"); 12094 pw.print(ent.path); 12095 } 12096 } else { 12097 if (!checkin) { 12098 pw.print("(apk) "); 12099 pw.print(ent.apk); 12100 } else { 12101 pw.print(",apk,"); 12102 pw.print(ent.apk); 12103 } 12104 } 12105 pw.println(); 12106 } 12107 } 12108 12109 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12110 if (dumpState.onTitlePrinted()) 12111 pw.println(); 12112 if (!checkin) { 12113 pw.println("Features:"); 12114 } 12115 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12116 while (it.hasNext()) { 12117 String name = it.next(); 12118 if (!checkin) { 12119 pw.print(" "); 12120 } else { 12121 pw.print("feat,"); 12122 } 12123 pw.println(name); 12124 } 12125 } 12126 12127 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12128 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12129 : "Activity Resolver Table:", " ", packageName, 12130 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12131 dumpState.setTitlePrinted(true); 12132 } 12133 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12134 : "Receiver Resolver Table:", " ", packageName, 12135 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12136 dumpState.setTitlePrinted(true); 12137 } 12138 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12139 : "Service Resolver Table:", " ", packageName, 12140 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12141 dumpState.setTitlePrinted(true); 12142 } 12143 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12144 : "Provider Resolver Table:", " ", packageName, 12145 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12146 dumpState.setTitlePrinted(true); 12147 } 12148 } 12149 12150 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12151 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12152 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12153 int user = mSettings.mPreferredActivities.keyAt(i); 12154 if (pir.dump(pw, 12155 dumpState.getTitlePrinted() 12156 ? "\nPreferred Activities User " + user + ":" 12157 : "Preferred Activities User " + user + ":", " ", 12158 packageName, true)) { 12159 dumpState.setTitlePrinted(true); 12160 } 12161 } 12162 } 12163 12164 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12165 pw.flush(); 12166 FileOutputStream fout = new FileOutputStream(fd); 12167 BufferedOutputStream str = new BufferedOutputStream(fout); 12168 XmlSerializer serializer = new FastXmlSerializer(); 12169 try { 12170 serializer.setOutput(str, "utf-8"); 12171 serializer.startDocument(null, true); 12172 serializer.setFeature( 12173 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12174 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12175 serializer.endDocument(); 12176 serializer.flush(); 12177 } catch (IllegalArgumentException e) { 12178 pw.println("Failed writing: " + e); 12179 } catch (IllegalStateException e) { 12180 pw.println("Failed writing: " + e); 12181 } catch (IOException e) { 12182 pw.println("Failed writing: " + e); 12183 } 12184 } 12185 12186 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12187 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12188 } 12189 12190 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12191 boolean printedSomething = false; 12192 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12193 if (packageName != null && !packageName.equals(p.info.packageName)) { 12194 continue; 12195 } 12196 if (!printedSomething) { 12197 if (dumpState.onTitlePrinted()) 12198 pw.println(); 12199 pw.println("Registered ContentProviders:"); 12200 printedSomething = true; 12201 } 12202 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12203 pw.print(" "); pw.println(p.toString()); 12204 } 12205 printedSomething = false; 12206 for (Map.Entry<String, PackageParser.Provider> entry : 12207 mProvidersByAuthority.entrySet()) { 12208 PackageParser.Provider p = entry.getValue(); 12209 if (packageName != null && !packageName.equals(p.info.packageName)) { 12210 continue; 12211 } 12212 if (!printedSomething) { 12213 if (dumpState.onTitlePrinted()) 12214 pw.println(); 12215 pw.println("ContentProvider Authorities:"); 12216 printedSomething = true; 12217 } 12218 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12219 pw.print(" "); pw.println(p.toString()); 12220 if (p.info != null && p.info.applicationInfo != null) { 12221 final String appInfo = p.info.applicationInfo.toString(); 12222 pw.print(" applicationInfo="); pw.println(appInfo); 12223 } 12224 } 12225 } 12226 12227 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12228 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12229 } 12230 12231 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12232 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12233 } 12234 12235 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12236 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12237 } 12238 12239 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12240 if (dumpState.onTitlePrinted()) 12241 pw.println(); 12242 mSettings.dumpReadMessagesLPr(pw, dumpState); 12243 12244 pw.println(); 12245 pw.println("Package warning messages:"); 12246 final File fname = getSettingsProblemFile(); 12247 FileInputStream in = null; 12248 try { 12249 in = new FileInputStream(fname); 12250 final int avail = in.available(); 12251 final byte[] data = new byte[avail]; 12252 in.read(data); 12253 pw.print(new String(data)); 12254 } catch (FileNotFoundException e) { 12255 } catch (IOException e) { 12256 } finally { 12257 if (in != null) { 12258 try { 12259 in.close(); 12260 } catch (IOException e) { 12261 } 12262 } 12263 } 12264 } 12265 } 12266 } 12267 12268 // ------- apps on sdcard specific code ------- 12269 static final boolean DEBUG_SD_INSTALL = false; 12270 12271 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12272 12273 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12274 12275 private boolean mMediaMounted = false; 12276 12277 private String getEncryptKey() { 12278 try { 12279 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12280 SD_ENCRYPTION_KEYSTORE_NAME); 12281 if (sdEncKey == null) { 12282 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12283 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12284 if (sdEncKey == null) { 12285 Slog.e(TAG, "Failed to create encryption keys"); 12286 return null; 12287 } 12288 } 12289 return sdEncKey; 12290 } catch (NoSuchAlgorithmException nsae) { 12291 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12292 return null; 12293 } catch (IOException ioe) { 12294 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12295 return null; 12296 } 12297 12298 } 12299 12300 /* package */static String getTempContainerId() { 12301 int tmpIdx = 1; 12302 String list[] = PackageHelper.getSecureContainerList(); 12303 if (list != null) { 12304 for (final String name : list) { 12305 // Ignore null and non-temporary container entries 12306 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12307 continue; 12308 } 12309 12310 String subStr = name.substring(mTempContainerPrefix.length()); 12311 try { 12312 int cid = Integer.parseInt(subStr); 12313 if (cid >= tmpIdx) { 12314 tmpIdx = cid + 1; 12315 } 12316 } catch (NumberFormatException e) { 12317 } 12318 } 12319 } 12320 return mTempContainerPrefix + tmpIdx; 12321 } 12322 12323 /* 12324 * Update media status on PackageManager. 12325 */ 12326 @Override 12327 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12328 int callingUid = Binder.getCallingUid(); 12329 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12330 throw new SecurityException("Media status can only be updated by the system"); 12331 } 12332 // reader; this apparently protects mMediaMounted, but should probably 12333 // be a different lock in that case. 12334 synchronized (mPackages) { 12335 Log.i(TAG, "Updating external media status from " 12336 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12337 + (mediaStatus ? "mounted" : "unmounted")); 12338 if (DEBUG_SD_INSTALL) 12339 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12340 + ", mMediaMounted=" + mMediaMounted); 12341 if (mediaStatus == mMediaMounted) { 12342 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12343 : 0, -1); 12344 mHandler.sendMessage(msg); 12345 return; 12346 } 12347 mMediaMounted = mediaStatus; 12348 } 12349 // Queue up an async operation since the package installation may take a 12350 // little while. 12351 mHandler.post(new Runnable() { 12352 public void run() { 12353 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12354 } 12355 }); 12356 } 12357 12358 /** 12359 * Called by MountService when the initial ASECs to scan are available. 12360 * Should block until all the ASEC containers are finished being scanned. 12361 */ 12362 public void scanAvailableAsecs() { 12363 updateExternalMediaStatusInner(true, false, false); 12364 if (mShouldRestoreconData) { 12365 SELinuxMMAC.setRestoreconDone(); 12366 mShouldRestoreconData = false; 12367 } 12368 } 12369 12370 /* 12371 * Collect information of applications on external media, map them against 12372 * existing containers and update information based on current mount status. 12373 * Please note that we always have to report status if reportStatus has been 12374 * set to true especially when unloading packages. 12375 */ 12376 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12377 boolean externalStorage) { 12378 // Collection of uids 12379 int uidArr[] = null; 12380 // Collection of stale containers 12381 HashSet<String> removeCids = new HashSet<String>(); 12382 // Collection of packages on external media with valid containers. 12383 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12384 // Get list of secure containers. 12385 final String list[] = PackageHelper.getSecureContainerList(); 12386 if (list == null || list.length == 0) { 12387 Log.i(TAG, "No secure containers on sdcard"); 12388 } else { 12389 // Process list of secure containers and categorize them 12390 // as active or stale based on their package internal state. 12391 int uidList[] = new int[list.length]; 12392 int num = 0; 12393 // reader 12394 synchronized (mPackages) { 12395 for (String cid : list) { 12396 if (DEBUG_SD_INSTALL) 12397 Log.i(TAG, "Processing container " + cid); 12398 String pkgName = getAsecPackageName(cid); 12399 if (pkgName == null) { 12400 if (DEBUG_SD_INSTALL) 12401 Log.i(TAG, "Container : " + cid + " stale"); 12402 removeCids.add(cid); 12403 continue; 12404 } 12405 if (DEBUG_SD_INSTALL) 12406 Log.i(TAG, "Looking for pkg : " + pkgName); 12407 12408 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12409 if (ps == null) { 12410 Log.i(TAG, "Deleting container with no matching settings " + cid); 12411 removeCids.add(cid); 12412 continue; 12413 } 12414 12415 /* 12416 * Skip packages that are not external if we're unmounting 12417 * external storage. 12418 */ 12419 if (externalStorage && !isMounted && !isExternal(ps)) { 12420 continue; 12421 } 12422 12423 final AsecInstallArgs args = new AsecInstallArgs(cid, 12424 getAppInstructionSetFromSettings(ps), 12425 isForwardLocked(ps)); 12426 // The package status is changed only if the code path 12427 // matches between settings and the container id. 12428 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12429 if (DEBUG_SD_INSTALL) { 12430 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12431 + " at code path: " + ps.codePathString); 12432 } 12433 12434 // We do have a valid package installed on sdcard 12435 processCids.put(args, ps.codePathString); 12436 final int uid = ps.appId; 12437 if (uid != -1) { 12438 uidList[num++] = uid; 12439 } 12440 } else { 12441 Log.i(TAG, "Deleting stale container for " + cid); 12442 removeCids.add(cid); 12443 } 12444 } 12445 } 12446 12447 if (num > 0) { 12448 // Sort uid list 12449 Arrays.sort(uidList, 0, num); 12450 // Throw away duplicates 12451 uidArr = new int[num]; 12452 uidArr[0] = uidList[0]; 12453 int di = 0; 12454 for (int i = 1; i < num; i++) { 12455 if (uidList[i - 1] != uidList[i]) { 12456 uidArr[di++] = uidList[i]; 12457 } 12458 } 12459 } 12460 } 12461 // Process packages with valid entries. 12462 if (isMounted) { 12463 if (DEBUG_SD_INSTALL) 12464 Log.i(TAG, "Loading packages"); 12465 loadMediaPackages(processCids, uidArr, removeCids); 12466 startCleaningPackages(); 12467 } else { 12468 if (DEBUG_SD_INSTALL) 12469 Log.i(TAG, "Unloading packages"); 12470 unloadMediaPackages(processCids, uidArr, reportStatus); 12471 } 12472 } 12473 12474 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12475 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12476 int size = pkgList.size(); 12477 if (size > 0) { 12478 // Send broadcasts here 12479 Bundle extras = new Bundle(); 12480 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12481 .toArray(new String[size])); 12482 if (uidArr != null) { 12483 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12484 } 12485 if (replacing) { 12486 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12487 } 12488 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12489 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12490 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12491 } 12492 } 12493 12494 /* 12495 * Look at potentially valid container ids from processCids If package 12496 * information doesn't match the one on record or package scanning fails, 12497 * the cid is added to list of removeCids. We currently don't delete stale 12498 * containers. 12499 */ 12500 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12501 HashSet<String> removeCids) { 12502 ArrayList<String> pkgList = new ArrayList<String>(); 12503 Set<AsecInstallArgs> keys = processCids.keySet(); 12504 boolean doGc = false; 12505 for (AsecInstallArgs args : keys) { 12506 String codePath = processCids.get(args); 12507 if (DEBUG_SD_INSTALL) 12508 Log.i(TAG, "Loading container : " + args.cid); 12509 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12510 try { 12511 // Make sure there are no container errors first. 12512 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12513 Slog.e(TAG, "Failed to mount cid : " + args.cid 12514 + " when installing from sdcard"); 12515 continue; 12516 } 12517 // Check code path here. 12518 if (codePath == null || !codePath.equals(args.getCodePath())) { 12519 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12520 + " does not match one in settings " + codePath); 12521 continue; 12522 } 12523 // Parse package 12524 int parseFlags = mDefParseFlags; 12525 if (args.isExternal()) { 12526 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12527 } 12528 if (args.isFwdLocked()) { 12529 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12530 } 12531 12532 doGc = true; 12533 synchronized (mInstallLock) { 12534 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12535 0, 0, null, null); 12536 // Scan the package 12537 if (pkg != null) { 12538 /* 12539 * TODO why is the lock being held? doPostInstall is 12540 * called in other places without the lock. This needs 12541 * to be straightened out. 12542 */ 12543 // writer 12544 synchronized (mPackages) { 12545 retCode = PackageManager.INSTALL_SUCCEEDED; 12546 pkgList.add(pkg.packageName); 12547 // Post process args 12548 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12549 pkg.applicationInfo.uid); 12550 } 12551 } else { 12552 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12553 } 12554 } 12555 12556 } finally { 12557 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12558 // Don't destroy container here. Wait till gc clears things 12559 // up. 12560 removeCids.add(args.cid); 12561 } 12562 } 12563 } 12564 // writer 12565 synchronized (mPackages) { 12566 // If the platform SDK has changed since the last time we booted, 12567 // we need to re-grant app permission to catch any new ones that 12568 // appear. This is really a hack, and means that apps can in some 12569 // cases get permissions that the user didn't initially explicitly 12570 // allow... it would be nice to have some better way to handle 12571 // this situation. 12572 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12573 if (regrantPermissions) 12574 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12575 + mSdkVersion + "; regranting permissions for external storage"); 12576 mSettings.mExternalSdkPlatform = mSdkVersion; 12577 12578 // Make sure group IDs have been assigned, and any permission 12579 // changes in other apps are accounted for 12580 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12581 | (regrantPermissions 12582 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12583 : 0)); 12584 12585 mSettings.updateExternalDatabaseVersion(); 12586 12587 // can downgrade to reader 12588 // Persist settings 12589 mSettings.writeLPr(); 12590 } 12591 // Send a broadcast to let everyone know we are done processing 12592 if (pkgList.size() > 0) { 12593 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12594 } 12595 // Force gc to avoid any stale parser references that we might have. 12596 if (doGc) { 12597 Runtime.getRuntime().gc(); 12598 } 12599 // List stale containers and destroy stale temporary containers. 12600 if (removeCids != null) { 12601 for (String cid : removeCids) { 12602 if (cid.startsWith(mTempContainerPrefix)) { 12603 Log.i(TAG, "Destroying stale temporary container " + cid); 12604 PackageHelper.destroySdDir(cid); 12605 } else { 12606 Log.w(TAG, "Container " + cid + " is stale"); 12607 } 12608 } 12609 } 12610 } 12611 12612 /* 12613 * Utility method to unload a list of specified containers 12614 */ 12615 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12616 // Just unmount all valid containers. 12617 for (AsecInstallArgs arg : cidArgs) { 12618 synchronized (mInstallLock) { 12619 arg.doPostDeleteLI(false); 12620 } 12621 } 12622 } 12623 12624 /* 12625 * Unload packages mounted on external media. This involves deleting package 12626 * data from internal structures, sending broadcasts about diabled packages, 12627 * gc'ing to free up references, unmounting all secure containers 12628 * corresponding to packages on external media, and posting a 12629 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12630 * that we always have to post this message if status has been requested no 12631 * matter what. 12632 */ 12633 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12634 final boolean reportStatus) { 12635 if (DEBUG_SD_INSTALL) 12636 Log.i(TAG, "unloading media packages"); 12637 ArrayList<String> pkgList = new ArrayList<String>(); 12638 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12639 final Set<AsecInstallArgs> keys = processCids.keySet(); 12640 for (AsecInstallArgs args : keys) { 12641 String pkgName = args.getPackageName(); 12642 if (DEBUG_SD_INSTALL) 12643 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12644 // Delete package internally 12645 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12646 synchronized (mInstallLock) { 12647 boolean res = deletePackageLI(pkgName, null, false, null, null, 12648 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12649 if (res) { 12650 pkgList.add(pkgName); 12651 } else { 12652 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12653 failedList.add(args); 12654 } 12655 } 12656 } 12657 12658 // reader 12659 synchronized (mPackages) { 12660 // We didn't update the settings after removing each package; 12661 // write them now for all packages. 12662 mSettings.writeLPr(); 12663 } 12664 12665 // We have to absolutely send UPDATED_MEDIA_STATUS only 12666 // after confirming that all the receivers processed the ordered 12667 // broadcast when packages get disabled, force a gc to clean things up. 12668 // and unload all the containers. 12669 if (pkgList.size() > 0) { 12670 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12671 new IIntentReceiver.Stub() { 12672 public void performReceive(Intent intent, int resultCode, String data, 12673 Bundle extras, boolean ordered, boolean sticky, 12674 int sendingUser) throws RemoteException { 12675 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12676 reportStatus ? 1 : 0, 1, keys); 12677 mHandler.sendMessage(msg); 12678 } 12679 }); 12680 } else { 12681 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12682 keys); 12683 mHandler.sendMessage(msg); 12684 } 12685 } 12686 12687 /** Binder call */ 12688 @Override 12689 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12690 final int flags) { 12691 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12692 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12693 int returnCode = PackageManager.MOVE_SUCCEEDED; 12694 int currFlags = 0; 12695 int newFlags = 0; 12696 // reader 12697 synchronized (mPackages) { 12698 PackageParser.Package pkg = mPackages.get(packageName); 12699 if (pkg == null) { 12700 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12701 } else { 12702 // Disable moving fwd locked apps and system packages 12703 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12704 Slog.w(TAG, "Cannot move system application"); 12705 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12706 } else if (pkg.mOperationPending) { 12707 Slog.w(TAG, "Attempt to move package which has pending operations"); 12708 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12709 } else { 12710 // Find install location first 12711 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12712 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12713 Slog.w(TAG, "Ambigous flags specified for move location."); 12714 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12715 } else { 12716 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12717 : PackageManager.INSTALL_INTERNAL; 12718 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12719 : PackageManager.INSTALL_INTERNAL; 12720 12721 if (newFlags == currFlags) { 12722 Slog.w(TAG, "No move required. Trying to move to same location"); 12723 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12724 } else { 12725 if (isForwardLocked(pkg)) { 12726 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12727 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12728 } 12729 } 12730 } 12731 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12732 pkg.mOperationPending = true; 12733 } 12734 } 12735 } 12736 12737 /* 12738 * TODO this next block probably shouldn't be inside the lock. We 12739 * can't guarantee these won't change after this is fired off 12740 * anyway. 12741 */ 12742 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12743 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12744 null, -1, user), 12745 returnCode); 12746 } else { 12747 Message msg = mHandler.obtainMessage(INIT_COPY); 12748 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12749 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12750 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12751 instructionSet); 12752 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12753 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12754 msg.obj = mp; 12755 mHandler.sendMessage(msg); 12756 } 12757 } 12758 } 12759 12760 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12761 // Queue up an async operation since the package deletion may take a 12762 // little while. 12763 mHandler.post(new Runnable() { 12764 public void run() { 12765 // TODO fix this; this does nothing. 12766 mHandler.removeCallbacks(this); 12767 int returnCode = currentStatus; 12768 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12769 int uidArr[] = null; 12770 ArrayList<String> pkgList = null; 12771 synchronized (mPackages) { 12772 PackageParser.Package pkg = mPackages.get(mp.packageName); 12773 if (pkg == null) { 12774 Slog.w(TAG, " Package " + mp.packageName 12775 + " doesn't exist. Aborting move"); 12776 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12777 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12778 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12779 + mp.srcArgs.getCodePath() + " to " 12780 + pkg.applicationInfo.sourceDir 12781 + " Aborting move and returning error"); 12782 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12783 } else { 12784 uidArr = new int[] { 12785 pkg.applicationInfo.uid 12786 }; 12787 pkgList = new ArrayList<String>(); 12788 pkgList.add(mp.packageName); 12789 } 12790 } 12791 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12792 // Send resources unavailable broadcast 12793 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12794 // Update package code and resource paths 12795 synchronized (mInstallLock) { 12796 synchronized (mPackages) { 12797 PackageParser.Package pkg = mPackages.get(mp.packageName); 12798 // Recheck for package again. 12799 if (pkg == null) { 12800 Slog.w(TAG, " Package " + mp.packageName 12801 + " doesn't exist. Aborting move"); 12802 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12803 } else if (!mp.srcArgs.getCodePath().equals( 12804 pkg.applicationInfo.sourceDir)) { 12805 Slog.w(TAG, "Package " + mp.packageName 12806 + " code path changed from " + mp.srcArgs.getCodePath() 12807 + " to " + pkg.applicationInfo.sourceDir 12808 + " Aborting move and returning error"); 12809 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12810 } else { 12811 final String oldCodePath = pkg.codePath; 12812 final String newCodePath = mp.targetArgs.getCodePath(); 12813 final String newResPath = mp.targetArgs.getResourcePath(); 12814 final String newNativePath = mp.targetArgs 12815 .getNativeLibraryPath(); 12816 12817 final File newNativeDir = new File(newNativePath); 12818 12819 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12820 // NOTE: We do not report any errors from the APK scan and library 12821 // copy at this point. 12822 NativeLibraryHelper.ApkHandle handle = 12823 new NativeLibraryHelper.ApkHandle(newCodePath); 12824 final int abi = NativeLibraryHelper.findSupportedAbi( 12825 handle, Build.SUPPORTED_ABIS); 12826 if (abi >= 0) { 12827 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12828 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12829 } 12830 handle.close(); 12831 } 12832 final int[] users = sUserManager.getUserIds(); 12833 for (int user : users) { 12834 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12835 newNativePath, user) < 0) { 12836 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12837 } 12838 } 12839 12840 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12841 pkg.codePath = newCodePath; 12842 // Move dex files around 12843 if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) { 12844 // Moving of dex files failed. Set 12845 // error code and abort move. 12846 pkg.codePath = oldCodePath; 12847 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12848 } 12849 } 12850 12851 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12852 pkg.applicationInfo.sourceDir = newCodePath; 12853 pkg.applicationInfo.publicSourceDir = newResPath; 12854 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12855 PackageSetting ps = (PackageSetting) pkg.mExtras; 12856 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12857 ps.codePathString = ps.codePath.getPath(); 12858 ps.resourcePath = new File( 12859 pkg.applicationInfo.publicSourceDir); 12860 ps.resourcePathString = ps.resourcePath.getPath(); 12861 ps.nativeLibraryPathString = newNativePath; 12862 // Set the application info flag 12863 // correctly. 12864 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12865 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12866 } else { 12867 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12868 } 12869 ps.setFlags(pkg.applicationInfo.flags); 12870 mAppDirs.remove(oldCodePath); 12871 mAppDirs.put(newCodePath, pkg); 12872 // Persist settings 12873 mSettings.writeLPr(); 12874 } 12875 } 12876 } 12877 } 12878 // Send resources available broadcast 12879 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12880 } 12881 } 12882 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12883 // Clean up failed installation 12884 if (mp.targetArgs != null) { 12885 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12886 -1); 12887 } 12888 } else { 12889 // Force a gc to clear things up. 12890 Runtime.getRuntime().gc(); 12891 // Delete older code 12892 synchronized (mInstallLock) { 12893 mp.srcArgs.doPostDeleteLI(true); 12894 } 12895 } 12896 12897 // Allow more operations on this file if we didn't fail because 12898 // an operation was already pending for this package. 12899 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12900 synchronized (mPackages) { 12901 PackageParser.Package pkg = mPackages.get(mp.packageName); 12902 if (pkg != null) { 12903 pkg.mOperationPending = false; 12904 } 12905 } 12906 } 12907 12908 IPackageMoveObserver observer = mp.observer; 12909 if (observer != null) { 12910 try { 12911 observer.packageMoved(mp.packageName, returnCode); 12912 } catch (RemoteException e) { 12913 Log.i(TAG, "Observer no longer exists."); 12914 } 12915 } 12916 } 12917 }); 12918 } 12919 12920 @Override 12921 public boolean setInstallLocation(int loc) { 12922 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12923 null); 12924 if (getInstallLocation() == loc) { 12925 return true; 12926 } 12927 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12928 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12929 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12930 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12931 return true; 12932 } 12933 return false; 12934 } 12935 12936 @Override 12937 public int getInstallLocation() { 12938 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12939 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12940 PackageHelper.APP_INSTALL_AUTO); 12941 } 12942 12943 /** Called by UserManagerService */ 12944 void cleanUpUserLILPw(int userHandle) { 12945 mDirtyUsers.remove(userHandle); 12946 mSettings.removeUserLPr(userHandle); 12947 mPendingBroadcasts.remove(userHandle); 12948 if (mInstaller != null) { 12949 // Technically, we shouldn't be doing this with the package lock 12950 // held. However, this is very rare, and there is already so much 12951 // other disk I/O going on, that we'll let it slide for now. 12952 mInstaller.removeUserDataDirs(userHandle); 12953 } 12954 } 12955 12956 /** Called by UserManagerService */ 12957 void createNewUserLILPw(int userHandle, File path) { 12958 if (mInstaller != null) { 12959 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12960 } 12961 } 12962 12963 @Override 12964 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12965 mContext.enforceCallingOrSelfPermission( 12966 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12967 "Only package verification agents can read the verifier device identity"); 12968 12969 synchronized (mPackages) { 12970 return mSettings.getVerifierDeviceIdentityLPw(); 12971 } 12972 } 12973 12974 @Override 12975 public void setPermissionEnforced(String permission, boolean enforced) { 12976 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12977 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12978 synchronized (mPackages) { 12979 if (mSettings.mReadExternalStorageEnforced == null 12980 || mSettings.mReadExternalStorageEnforced != enforced) { 12981 mSettings.mReadExternalStorageEnforced = enforced; 12982 mSettings.writeLPr(); 12983 } 12984 } 12985 // kill any non-foreground processes so we restart them and 12986 // grant/revoke the GID. 12987 final IActivityManager am = ActivityManagerNative.getDefault(); 12988 if (am != null) { 12989 final long token = Binder.clearCallingIdentity(); 12990 try { 12991 am.killProcessesBelowForeground("setPermissionEnforcement"); 12992 } catch (RemoteException e) { 12993 } finally { 12994 Binder.restoreCallingIdentity(token); 12995 } 12996 } 12997 } else { 12998 throw new IllegalArgumentException("No selective enforcement for " + permission); 12999 } 13000 } 13001 13002 @Override 13003 @Deprecated 13004 public boolean isPermissionEnforced(String permission) { 13005 return true; 13006 } 13007 13008 @Override 13009 public boolean isStorageLow() { 13010 final long token = Binder.clearCallingIdentity(); 13011 try { 13012 final DeviceStorageMonitorInternal 13013 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13014 if (dsm != null) { 13015 return dsm.isMemoryLow(); 13016 } else { 13017 return false; 13018 } 13019 } finally { 13020 Binder.restoreCallingIdentity(token); 13021 } 13022 } 13023 13024 @Override 13025 public IPackageInstaller getPackageInstaller() { 13026 return mInstallerService; 13027 } 13028} 13029