PackageManagerService.java revision 275e085d5a42ced54bb79e40ff76c77539e7d82d
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.Manifest.permission.INSTALL_PACKAGES; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.os.Process.PACKAGE_INFO_GID; 28import static android.os.Process.SYSTEM_UID; 29import static android.system.OsConstants.S_IRGRP; 30import static android.system.OsConstants.S_IROTH; 31import static android.system.OsConstants.S_IRWXU; 32import static android.system.OsConstants.S_IXGRP; 33import static android.system.OsConstants.S_IXOTH; 34import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 35import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 36import static com.android.internal.util.ArrayUtils.appendInt; 37import static com.android.internal.util.ArrayUtils.removeInt; 38 39import com.android.internal.R; 40import com.android.internal.app.IMediaContainerService; 41import com.android.internal.app.ResolverActivity; 42import com.android.internal.content.NativeLibraryHelper; 43import com.android.internal.content.NativeLibraryHelper.ApkHandle; 44import com.android.internal.content.PackageHelper; 45import com.android.internal.util.ArrayUtils; 46import com.android.internal.util.FastPrintWriter; 47import com.android.internal.util.FastXmlSerializer; 48import com.android.internal.util.XmlUtils; 49import com.android.server.EventLogTags; 50import com.android.server.IntentResolver; 51import com.android.server.LocalServices; 52import com.android.server.ServiceThread; 53import com.android.server.Watchdog; 54import com.android.server.pm.Settings.DatabaseVersion; 55import com.android.server.storage.DeviceStorageMonitorInternal; 56import com.android.server.storage.DeviceStorageMonitorInternal; 57 58import org.xmlpull.v1.XmlPullParser; 59import org.xmlpull.v1.XmlPullParserException; 60import org.xmlpull.v1.XmlSerializer; 61 62import android.app.ActivityManager; 63import android.app.ActivityManagerNative; 64import android.app.IActivityManager; 65import android.app.PackageInstallObserver; 66import android.app.admin.IDevicePolicyManager; 67import android.app.backup.IBackupManager; 68import android.content.BroadcastReceiver; 69import android.content.ComponentName; 70import android.content.Context; 71import android.content.IIntentReceiver; 72import android.content.Intent; 73import android.content.IntentFilter; 74import android.content.IntentSender; 75import android.content.IntentSender.SendIntentException; 76import android.content.ServiceConnection; 77import android.content.pm.ActivityInfo; 78import android.content.pm.ApplicationInfo; 79import android.content.pm.ContainerEncryptionParams; 80import android.content.pm.FeatureInfo; 81import android.content.pm.IPackageDataObserver; 82import android.content.pm.IPackageDeleteObserver; 83import android.content.pm.IPackageInstallObserver; 84import android.content.pm.IPackageInstallObserver2; 85import android.content.pm.IPackageInstaller; 86import android.content.pm.IPackageManager; 87import android.content.pm.IPackageMoveObserver; 88import android.content.pm.IPackageStatsObserver; 89import android.content.pm.InstrumentationInfo; 90import android.content.pm.ManifestDigest; 91import android.content.pm.PackageCleanItem; 92import android.content.pm.PackageInfo; 93import android.content.pm.PackageInfoLite; 94import android.content.pm.PackageInstallerParams; 95import android.content.pm.PackageManager; 96import android.content.pm.PackageParser.ActivityIntentInfo; 97import android.content.pm.PackageParser.PackageParserException; 98import android.content.pm.PackageParser; 99import android.content.pm.PackageStats; 100import android.content.pm.PackageUserState; 101import android.content.pm.ParceledListSlice; 102import android.content.pm.PermissionGroupInfo; 103import android.content.pm.PermissionInfo; 104import android.content.pm.ProviderInfo; 105import android.content.pm.ResolveInfo; 106import android.content.pm.ServiceInfo; 107import android.content.pm.Signature; 108import android.content.pm.VerificationParams; 109import android.content.pm.VerifierDeviceIdentity; 110import android.content.pm.VerifierInfo; 111import android.content.res.Resources; 112import android.hardware.display.DisplayManager; 113import android.net.Uri; 114import android.os.Binder; 115import android.os.Build; 116import android.os.Bundle; 117import android.os.Environment; 118import android.os.Environment.UserEnvironment; 119import android.os.FileObserver; 120import android.os.FileUtils; 121import android.os.Handler; 122import android.os.IBinder; 123import android.os.Looper; 124import android.os.Message; 125import android.os.Parcel; 126import android.os.ParcelFileDescriptor; 127import android.os.Process; 128import android.os.RemoteException; 129import android.os.SELinux; 130import android.os.ServiceManager; 131import android.os.SystemClock; 132import android.os.SystemProperties; 133import android.os.UserHandle; 134import android.os.UserManager; 135import android.security.KeyStore; 136import android.security.SystemKeyStore; 137import android.system.ErrnoException; 138import android.system.Os; 139import android.system.StructStat; 140import android.text.TextUtils; 141import android.util.ArraySet; 142import android.util.AtomicFile; 143import android.util.DisplayMetrics; 144import android.util.EventLog; 145import android.util.Log; 146import android.util.LogPrinter; 147import android.util.PrintStreamPrinter; 148import android.util.Slog; 149import android.util.SparseArray; 150import android.util.Xml; 151import android.view.Display; 152 153import java.io.BufferedInputStream; 154import java.io.BufferedOutputStream; 155import java.io.File; 156import java.io.FileDescriptor; 157import java.io.FileInputStream; 158import java.io.FileNotFoundException; 159import java.io.FileOutputStream; 160import java.io.FileReader; 161import java.io.FilenameFilter; 162import java.io.IOException; 163import java.io.InputStream; 164import java.io.PrintWriter; 165import java.nio.charset.StandardCharsets; 166import java.security.NoSuchAlgorithmException; 167import java.security.PublicKey; 168import java.security.cert.CertificateEncodingException; 169import java.security.cert.CertificateException; 170import java.text.SimpleDateFormat; 171import java.util.ArrayList; 172import java.util.Arrays; 173import java.util.Collection; 174import java.util.Collections; 175import java.util.Comparator; 176import java.util.Date; 177import java.util.HashMap; 178import java.util.HashSet; 179import java.util.Iterator; 180import java.util.List; 181import java.util.Map; 182import java.util.Set; 183import java.util.concurrent.atomic.AtomicBoolean; 184import java.util.concurrent.atomic.AtomicLong; 185 186import dalvik.system.DexFile; 187import dalvik.system.StaleDexCacheError; 188import dalvik.system.VMRuntime; 189 190import libcore.io.IoUtils; 191 192/** 193 * Keep track of all those .apks everywhere. 194 * 195 * This is very central to the platform's security; please run the unit 196 * tests whenever making modifications here: 197 * 198mmm frameworks/base/tests/AndroidTests 199adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 200adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 201 * 202 * {@hide} 203 */ 204public class PackageManagerService extends IPackageManager.Stub { 205 static final String TAG = "PackageManager"; 206 static final boolean DEBUG_SETTINGS = false; 207 static final boolean DEBUG_PREFERRED = false; 208 static final boolean DEBUG_UPGRADE = false; 209 private static final boolean DEBUG_INSTALL = false; 210 private static final boolean DEBUG_REMOVE = false; 211 private static final boolean DEBUG_BROADCASTS = false; 212 private static final boolean DEBUG_SHOW_INFO = false; 213 private static final boolean DEBUG_PACKAGE_INFO = false; 214 private static final boolean DEBUG_INTENT_MATCHING = false; 215 private static final boolean DEBUG_PACKAGE_SCANNING = false; 216 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 217 private static final boolean DEBUG_VERIFY = false; 218 private static final boolean DEBUG_DEXOPT = false; 219 220 private static final int RADIO_UID = Process.PHONE_UID; 221 private static final int LOG_UID = Process.LOG_UID; 222 private static final int NFC_UID = Process.NFC_UID; 223 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 224 private static final int SHELL_UID = Process.SHELL_UID; 225 226 // Cap the size of permission trees that 3rd party apps can define 227 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 228 229 private static final int REMOVE_EVENTS = 230 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 231 private static final int ADD_EVENTS = 232 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 233 234 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 235 // Suffix used during package installation when copying/moving 236 // package apks to install directory. 237 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 238 239 static final int SCAN_MONITOR = 1<<0; 240 static final int SCAN_NO_DEX = 1<<1; 241 static final int SCAN_FORCE_DEX = 1<<2; 242 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 243 static final int SCAN_NEW_INSTALL = 1<<4; 244 static final int SCAN_NO_PATHS = 1<<5; 245 static final int SCAN_UPDATE_TIME = 1<<6; 246 static final int SCAN_DEFER_DEX = 1<<7; 247 static final int SCAN_BOOTING = 1<<8; 248 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 249 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 250 251 static final int REMOVE_CHATTY = 1<<16; 252 253 /** 254 * Timeout (in milliseconds) after which the watchdog should declare that 255 * our handler thread is wedged. The usual default for such things is one 256 * minute but we sometimes do very lengthy I/O operations on this thread, 257 * such as installing multi-gigabyte applications, so ours needs to be longer. 258 */ 259 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 260 261 /** 262 * Whether verification is enabled by default. 263 */ 264 private static final boolean DEFAULT_VERIFY_ENABLE = true; 265 266 /** 267 * The default maximum time to wait for the verification agent to return in 268 * milliseconds. 269 */ 270 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 271 272 /** 273 * The default response for package verification timeout. 274 * 275 * This can be either PackageManager.VERIFICATION_ALLOW or 276 * PackageManager.VERIFICATION_REJECT. 277 */ 278 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 279 280 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 281 282 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 283 DEFAULT_CONTAINER_PACKAGE, 284 "com.android.defcontainer.DefaultContainerService"); 285 286 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 287 288 private static final String LIB_DIR_NAME = "lib"; 289 private static final String LIB64_DIR_NAME = "lib64"; 290 291 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 292 293 static final String mTempContainerPrefix = "smdl2tmp"; 294 295 private static String sPreferredInstructionSet; 296 297 final ServiceThread mHandlerThread; 298 299 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 300 private static final String IDMAP_SUFFIX = "@idmap"; 301 302 final PackageHandler mHandler; 303 304 final int mSdkVersion = Build.VERSION.SDK_INT; 305 306 final Context mContext; 307 final boolean mFactoryTest; 308 final boolean mOnlyCore; 309 final DisplayMetrics mMetrics; 310 final int mDefParseFlags; 311 final String[] mSeparateProcesses; 312 313 // This is where all application persistent data goes. 314 final File mAppDataDir; 315 316 // This is where all application persistent data goes for secondary users. 317 final File mUserAppDataDir; 318 319 /** The location for ASEC container files on internal storage. */ 320 final String mAsecInternalPath; 321 322 // This is the object monitoring the framework dir. 323 final FileObserver mFrameworkInstallObserver; 324 325 // This is the object monitoring the system app dir. 326 final FileObserver mSystemInstallObserver; 327 328 // This is the object monitoring the privileged system app dir. 329 final FileObserver mPrivilegedInstallObserver; 330 331 // This is the object monitoring the vendor app dir. 332 final FileObserver mVendorInstallObserver; 333 334 // This is the object monitoring the vendor overlay package dir. 335 final FileObserver mVendorOverlayInstallObserver; 336 337 // This is the object monitoring the OEM app dir. 338 final FileObserver mOemInstallObserver; 339 340 // This is the object monitoring mAppInstallDir. 341 final FileObserver mAppInstallObserver; 342 343 // This is the object monitoring mDrmAppPrivateInstallDir. 344 final FileObserver mDrmAppInstallObserver; 345 346 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 347 // LOCK HELD. Can be called with mInstallLock held. 348 final Installer mInstaller; 349 350 final File mAppInstallDir; 351 352 /** 353 * Directory to which applications installed internally have native 354 * libraries copied. 355 */ 356 private File mAppLibInstallDir; 357 358 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 359 // apps. 360 final File mDrmAppPrivateInstallDir; 361 362 final File mAppStagingDir; 363 364 // ---------------------------------------------------------------- 365 366 // Lock for state used when installing and doing other long running 367 // operations. Methods that must be called with this lock held have 368 // the suffix "LI". 369 final Object mInstallLock = new Object(); 370 371 // These are the directories in the 3rd party applications installed dir 372 // that we have currently loaded packages from. Keys are the application's 373 // installed zip file (absolute codePath), and values are Package. 374 final HashMap<String, PackageParser.Package> mAppDirs = 375 new HashMap<String, PackageParser.Package>(); 376 377 // Information for the parser to write more useful error messages. 378 int mLastScanError; 379 380 // ---------------------------------------------------------------- 381 382 // Keys are String (package name), values are Package. This also serves 383 // as the lock for the global state. Methods that must be called with 384 // this lock held have the prefix "LP". 385 final HashMap<String, PackageParser.Package> mPackages = 386 new HashMap<String, PackageParser.Package>(); 387 388 // Tracks available target package names -> overlay package paths. 389 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 390 new HashMap<String, HashMap<String, PackageParser.Package>>(); 391 392 final Settings mSettings; 393 boolean mRestoredSettings; 394 395 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 396 int[] mGlobalGids; 397 398 // These are the built-in uid -> permission mappings that were read from the 399 // etc/permissions.xml file. 400 final SparseArray<HashSet<String>> mSystemPermissions = 401 new SparseArray<HashSet<String>>(); 402 403 static final class SharedLibraryEntry { 404 final String path; 405 final String apk; 406 407 SharedLibraryEntry(String _path, String _apk) { 408 path = _path; 409 apk = _apk; 410 } 411 } 412 413 // These are the built-in shared libraries that were read from the 414 // etc/permissions.xml file. 415 final HashMap<String, SharedLibraryEntry> mSharedLibraries 416 = new HashMap<String, SharedLibraryEntry>(); 417 418 // These are the features this devices supports that were read from the 419 // etc/permissions.xml file. 420 final HashMap<String, FeatureInfo> mAvailableFeatures = 421 new HashMap<String, FeatureInfo>(); 422 423 // If mac_permissions.xml was found for seinfo labeling. 424 boolean mFoundPolicyFile; 425 426 // If a recursive restorecon of /data/data/<pkg> is needed. 427 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 428 429 // All available activities, for your resolving pleasure. 430 final ActivityIntentResolver mActivities = 431 new ActivityIntentResolver(); 432 433 // All available receivers, for your resolving pleasure. 434 final ActivityIntentResolver mReceivers = 435 new ActivityIntentResolver(); 436 437 // All available services, for your resolving pleasure. 438 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 439 440 // All available providers, for your resolving pleasure. 441 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 442 443 // Mapping from provider base names (first directory in content URI codePath) 444 // to the provider information. 445 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 446 new HashMap<String, PackageParser.Provider>(); 447 448 // Mapping from instrumentation class names to info about them. 449 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 450 new HashMap<ComponentName, PackageParser.Instrumentation>(); 451 452 // Mapping from permission names to info about them. 453 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 454 new HashMap<String, PackageParser.PermissionGroup>(); 455 456 // Packages whose data we have transfered into another package, thus 457 // should no longer exist. 458 final HashSet<String> mTransferedPackages = new HashSet<String>(); 459 460 // Broadcast actions that are only available to the system. 461 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 462 463 /** List of packages waiting for verification. */ 464 final SparseArray<PackageVerificationState> mPendingVerification 465 = new SparseArray<PackageVerificationState>(); 466 467 final PackageInstallerService mInstallerService; 468 469 HashSet<PackageParser.Package> mDeferredDexOpt = null; 470 471 /** Token for keys in mPendingVerification. */ 472 private int mPendingVerificationToken = 0; 473 474 boolean mSystemReady; 475 boolean mSafeMode; 476 boolean mHasSystemUidErrors; 477 478 ApplicationInfo mAndroidApplication; 479 final ActivityInfo mResolveActivity = new ActivityInfo(); 480 final ResolveInfo mResolveInfo = new ResolveInfo(); 481 ComponentName mResolveComponentName; 482 PackageParser.Package mPlatformPackage; 483 ComponentName mCustomResolverComponentName; 484 485 boolean mResolverReplaced = false; 486 487 // Set of pending broadcasts for aggregating enable/disable of components. 488 static class PendingPackageBroadcasts { 489 // for each user id, a map of <package name -> components within that package> 490 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 491 492 public PendingPackageBroadcasts() { 493 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 494 } 495 496 public ArrayList<String> get(int userId, String packageName) { 497 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 498 return packages.get(packageName); 499 } 500 501 public void put(int userId, String packageName, ArrayList<String> components) { 502 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 503 packages.put(packageName, components); 504 } 505 506 public void remove(int userId, String packageName) { 507 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 508 if (packages != null) { 509 packages.remove(packageName); 510 } 511 } 512 513 public void remove(int userId) { 514 mUidMap.remove(userId); 515 } 516 517 public int userIdCount() { 518 return mUidMap.size(); 519 } 520 521 public int userIdAt(int n) { 522 return mUidMap.keyAt(n); 523 } 524 525 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 526 return mUidMap.get(userId); 527 } 528 529 public int size() { 530 // total number of pending broadcast entries across all userIds 531 int num = 0; 532 for (int i = 0; i< mUidMap.size(); i++) { 533 num += mUidMap.valueAt(i).size(); 534 } 535 return num; 536 } 537 538 public void clear() { 539 mUidMap.clear(); 540 } 541 542 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 543 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 544 if (map == null) { 545 map = new HashMap<String, ArrayList<String>>(); 546 mUidMap.put(userId, map); 547 } 548 return map; 549 } 550 } 551 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 552 553 // Service Connection to remote media container service to copy 554 // package uri's from external media onto secure containers 555 // or internal storage. 556 private IMediaContainerService mContainerService = null; 557 558 static final int SEND_PENDING_BROADCAST = 1; 559 static final int MCS_BOUND = 3; 560 static final int END_COPY = 4; 561 static final int INIT_COPY = 5; 562 static final int MCS_UNBIND = 6; 563 static final int START_CLEANING_PACKAGE = 7; 564 static final int FIND_INSTALL_LOC = 8; 565 static final int POST_INSTALL = 9; 566 static final int MCS_RECONNECT = 10; 567 static final int MCS_GIVE_UP = 11; 568 static final int UPDATED_MEDIA_STATUS = 12; 569 static final int WRITE_SETTINGS = 13; 570 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 571 static final int PACKAGE_VERIFIED = 15; 572 static final int CHECK_PENDING_VERIFICATION = 16; 573 574 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 575 576 // Delay time in millisecs 577 static final int BROADCAST_DELAY = 10 * 1000; 578 579 static UserManagerService sUserManager; 580 581 // Stores a list of users whose package restrictions file needs to be updated 582 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 583 584 final private DefaultContainerConnection mDefContainerConn = 585 new DefaultContainerConnection(); 586 class DefaultContainerConnection implements ServiceConnection { 587 public void onServiceConnected(ComponentName name, IBinder service) { 588 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 589 IMediaContainerService imcs = 590 IMediaContainerService.Stub.asInterface(service); 591 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 592 } 593 594 public void onServiceDisconnected(ComponentName name) { 595 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 596 } 597 }; 598 599 // Recordkeeping of restore-after-install operations that are currently in flight 600 // between the Package Manager and the Backup Manager 601 class PostInstallData { 602 public InstallArgs args; 603 public PackageInstalledInfo res; 604 605 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 606 args = _a; 607 res = _r; 608 } 609 }; 610 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 611 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 612 613 private final String mRequiredVerifierPackage; 614 615 private final PackageUsage mPackageUsage = new PackageUsage(); 616 617 private class PackageUsage { 618 private static final int WRITE_INTERVAL 619 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 620 621 private final Object mFileLock = new Object(); 622 private final AtomicLong mLastWritten = new AtomicLong(0); 623 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 624 625 private boolean mIsFirstBoot = false; 626 627 boolean isFirstBoot() { 628 return mIsFirstBoot; 629 } 630 631 void write(boolean force) { 632 if (force) { 633 writeInternal(); 634 return; 635 } 636 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 637 && !DEBUG_DEXOPT) { 638 return; 639 } 640 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 641 new Thread("PackageUsage_DiskWriter") { 642 @Override 643 public void run() { 644 try { 645 writeInternal(); 646 } finally { 647 mBackgroundWriteRunning.set(false); 648 } 649 } 650 }.start(); 651 } 652 } 653 654 private void writeInternal() { 655 synchronized (mPackages) { 656 synchronized (mFileLock) { 657 AtomicFile file = getFile(); 658 FileOutputStream f = null; 659 try { 660 f = file.startWrite(); 661 BufferedOutputStream out = new BufferedOutputStream(f); 662 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 663 StringBuilder sb = new StringBuilder(); 664 for (PackageParser.Package pkg : mPackages.values()) { 665 if (pkg.mLastPackageUsageTimeInMills == 0) { 666 continue; 667 } 668 sb.setLength(0); 669 sb.append(pkg.packageName); 670 sb.append(' '); 671 sb.append((long)pkg.mLastPackageUsageTimeInMills); 672 sb.append('\n'); 673 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 674 } 675 out.flush(); 676 file.finishWrite(f); 677 } catch (IOException e) { 678 if (f != null) { 679 file.failWrite(f); 680 } 681 Log.e(TAG, "Failed to write package usage times", e); 682 } 683 } 684 } 685 mLastWritten.set(SystemClock.elapsedRealtime()); 686 } 687 688 void readLP() { 689 synchronized (mFileLock) { 690 AtomicFile file = getFile(); 691 BufferedInputStream in = null; 692 try { 693 in = new BufferedInputStream(file.openRead()); 694 StringBuffer sb = new StringBuffer(); 695 while (true) { 696 String packageName = readToken(in, sb, ' '); 697 if (packageName == null) { 698 break; 699 } 700 String timeInMillisString = readToken(in, sb, '\n'); 701 if (timeInMillisString == null) { 702 throw new IOException("Failed to find last usage time for package " 703 + packageName); 704 } 705 PackageParser.Package pkg = mPackages.get(packageName); 706 if (pkg == null) { 707 continue; 708 } 709 long timeInMillis; 710 try { 711 timeInMillis = Long.parseLong(timeInMillisString.toString()); 712 } catch (NumberFormatException e) { 713 throw new IOException("Failed to parse " + timeInMillisString 714 + " as a long.", e); 715 } 716 pkg.mLastPackageUsageTimeInMills = timeInMillis; 717 } 718 } catch (FileNotFoundException expected) { 719 mIsFirstBoot = true; 720 } catch (IOException e) { 721 Log.w(TAG, "Failed to read package usage times", e); 722 } finally { 723 IoUtils.closeQuietly(in); 724 } 725 } 726 mLastWritten.set(SystemClock.elapsedRealtime()); 727 } 728 729 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 730 throws IOException { 731 sb.setLength(0); 732 while (true) { 733 int ch = in.read(); 734 if (ch == -1) { 735 if (sb.length() == 0) { 736 return null; 737 } 738 throw new IOException("Unexpected EOF"); 739 } 740 if (ch == endOfToken) { 741 return sb.toString(); 742 } 743 sb.append((char)ch); 744 } 745 } 746 747 private AtomicFile getFile() { 748 File dataDir = Environment.getDataDirectory(); 749 File systemDir = new File(dataDir, "system"); 750 File fname = new File(systemDir, "package-usage.list"); 751 return new AtomicFile(fname); 752 } 753 } 754 755 class PackageHandler extends Handler { 756 private boolean mBound = false; 757 final ArrayList<HandlerParams> mPendingInstalls = 758 new ArrayList<HandlerParams>(); 759 760 private boolean connectToService() { 761 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 762 " DefaultContainerService"); 763 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 764 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 765 if (mContext.bindServiceAsUser(service, mDefContainerConn, 766 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 767 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 768 mBound = true; 769 return true; 770 } 771 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 772 return false; 773 } 774 775 private void disconnectService() { 776 mContainerService = null; 777 mBound = false; 778 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 779 mContext.unbindService(mDefContainerConn); 780 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 781 } 782 783 PackageHandler(Looper looper) { 784 super(looper); 785 } 786 787 public void handleMessage(Message msg) { 788 try { 789 doHandleMessage(msg); 790 } finally { 791 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 792 } 793 } 794 795 void doHandleMessage(Message msg) { 796 switch (msg.what) { 797 case INIT_COPY: { 798 HandlerParams params = (HandlerParams) msg.obj; 799 int idx = mPendingInstalls.size(); 800 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 801 // If a bind was already initiated we dont really 802 // need to do anything. The pending install 803 // will be processed later on. 804 if (!mBound) { 805 // If this is the only one pending we might 806 // have to bind to the service again. 807 if (!connectToService()) { 808 Slog.e(TAG, "Failed to bind to media container service"); 809 params.serviceError(); 810 return; 811 } else { 812 // Once we bind to the service, the first 813 // pending request will be processed. 814 mPendingInstalls.add(idx, params); 815 } 816 } else { 817 mPendingInstalls.add(idx, params); 818 // Already bound to the service. Just make 819 // sure we trigger off processing the first request. 820 if (idx == 0) { 821 mHandler.sendEmptyMessage(MCS_BOUND); 822 } 823 } 824 break; 825 } 826 case MCS_BOUND: { 827 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 828 if (msg.obj != null) { 829 mContainerService = (IMediaContainerService) msg.obj; 830 } 831 if (mContainerService == null) { 832 // Something seriously wrong. Bail out 833 Slog.e(TAG, "Cannot bind to media container service"); 834 for (HandlerParams params : mPendingInstalls) { 835 // Indicate service bind error 836 params.serviceError(); 837 } 838 mPendingInstalls.clear(); 839 } else if (mPendingInstalls.size() > 0) { 840 HandlerParams params = mPendingInstalls.get(0); 841 if (params != null) { 842 if (params.startCopy()) { 843 // We are done... look for more work or to 844 // go idle. 845 if (DEBUG_SD_INSTALL) Log.i(TAG, 846 "Checking for more work or unbind..."); 847 // Delete pending install 848 if (mPendingInstalls.size() > 0) { 849 mPendingInstalls.remove(0); 850 } 851 if (mPendingInstalls.size() == 0) { 852 if (mBound) { 853 if (DEBUG_SD_INSTALL) Log.i(TAG, 854 "Posting delayed MCS_UNBIND"); 855 removeMessages(MCS_UNBIND); 856 Message ubmsg = obtainMessage(MCS_UNBIND); 857 // Unbind after a little delay, to avoid 858 // continual thrashing. 859 sendMessageDelayed(ubmsg, 10000); 860 } 861 } else { 862 // There are more pending requests in queue. 863 // Just post MCS_BOUND message to trigger processing 864 // of next pending install. 865 if (DEBUG_SD_INSTALL) Log.i(TAG, 866 "Posting MCS_BOUND for next work"); 867 mHandler.sendEmptyMessage(MCS_BOUND); 868 } 869 } 870 } 871 } else { 872 // Should never happen ideally. 873 Slog.w(TAG, "Empty queue"); 874 } 875 break; 876 } 877 case MCS_RECONNECT: { 878 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 879 if (mPendingInstalls.size() > 0) { 880 if (mBound) { 881 disconnectService(); 882 } 883 if (!connectToService()) { 884 Slog.e(TAG, "Failed to bind to media container service"); 885 for (HandlerParams params : mPendingInstalls) { 886 // Indicate service bind error 887 params.serviceError(); 888 } 889 mPendingInstalls.clear(); 890 } 891 } 892 break; 893 } 894 case MCS_UNBIND: { 895 // If there is no actual work left, then time to unbind. 896 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 897 898 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 899 if (mBound) { 900 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 901 902 disconnectService(); 903 } 904 } else if (mPendingInstalls.size() > 0) { 905 // There are more pending requests in queue. 906 // Just post MCS_BOUND message to trigger processing 907 // of next pending install. 908 mHandler.sendEmptyMessage(MCS_BOUND); 909 } 910 911 break; 912 } 913 case MCS_GIVE_UP: { 914 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 915 mPendingInstalls.remove(0); 916 break; 917 } 918 case SEND_PENDING_BROADCAST: { 919 String packages[]; 920 ArrayList<String> components[]; 921 int size = 0; 922 int uids[]; 923 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 924 synchronized (mPackages) { 925 if (mPendingBroadcasts == null) { 926 return; 927 } 928 size = mPendingBroadcasts.size(); 929 if (size <= 0) { 930 // Nothing to be done. Just return 931 return; 932 } 933 packages = new String[size]; 934 components = new ArrayList[size]; 935 uids = new int[size]; 936 int i = 0; // filling out the above arrays 937 938 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 939 int packageUserId = mPendingBroadcasts.userIdAt(n); 940 Iterator<Map.Entry<String, ArrayList<String>>> it 941 = mPendingBroadcasts.packagesForUserId(packageUserId) 942 .entrySet().iterator(); 943 while (it.hasNext() && i < size) { 944 Map.Entry<String, ArrayList<String>> ent = it.next(); 945 packages[i] = ent.getKey(); 946 components[i] = ent.getValue(); 947 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 948 uids[i] = (ps != null) 949 ? UserHandle.getUid(packageUserId, ps.appId) 950 : -1; 951 i++; 952 } 953 } 954 size = i; 955 mPendingBroadcasts.clear(); 956 } 957 // Send broadcasts 958 for (int i = 0; i < size; i++) { 959 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 960 } 961 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 962 break; 963 } 964 case START_CLEANING_PACKAGE: { 965 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 966 final String packageName = (String)msg.obj; 967 final int userId = msg.arg1; 968 final boolean andCode = msg.arg2 != 0; 969 synchronized (mPackages) { 970 if (userId == UserHandle.USER_ALL) { 971 int[] users = sUserManager.getUserIds(); 972 for (int user : users) { 973 mSettings.addPackageToCleanLPw( 974 new PackageCleanItem(user, packageName, andCode)); 975 } 976 } else { 977 mSettings.addPackageToCleanLPw( 978 new PackageCleanItem(userId, packageName, andCode)); 979 } 980 } 981 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 982 startCleaningPackages(); 983 } break; 984 case POST_INSTALL: { 985 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 986 PostInstallData data = mRunningInstalls.get(msg.arg1); 987 mRunningInstalls.delete(msg.arg1); 988 boolean deleteOld = false; 989 990 if (data != null) { 991 InstallArgs args = data.args; 992 PackageInstalledInfo res = data.res; 993 994 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 995 res.removedInfo.sendBroadcast(false, true, false); 996 Bundle extras = new Bundle(1); 997 extras.putInt(Intent.EXTRA_UID, res.uid); 998 // Determine the set of users who are adding this 999 // package for the first time vs. those who are seeing 1000 // an update. 1001 int[] firstUsers; 1002 int[] updateUsers = new int[0]; 1003 if (res.origUsers == null || res.origUsers.length == 0) { 1004 firstUsers = res.newUsers; 1005 } else { 1006 firstUsers = new int[0]; 1007 for (int i=0; i<res.newUsers.length; i++) { 1008 int user = res.newUsers[i]; 1009 boolean isNew = true; 1010 for (int j=0; j<res.origUsers.length; j++) { 1011 if (res.origUsers[j] == user) { 1012 isNew = false; 1013 break; 1014 } 1015 } 1016 if (isNew) { 1017 int[] newFirst = new int[firstUsers.length+1]; 1018 System.arraycopy(firstUsers, 0, newFirst, 0, 1019 firstUsers.length); 1020 newFirst[firstUsers.length] = user; 1021 firstUsers = newFirst; 1022 } else { 1023 int[] newUpdate = new int[updateUsers.length+1]; 1024 System.arraycopy(updateUsers, 0, newUpdate, 0, 1025 updateUsers.length); 1026 newUpdate[updateUsers.length] = user; 1027 updateUsers = newUpdate; 1028 } 1029 } 1030 } 1031 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1032 res.pkg.applicationInfo.packageName, 1033 extras, null, null, firstUsers); 1034 final boolean update = res.removedInfo.removedPackage != null; 1035 if (update) { 1036 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1037 } 1038 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1039 res.pkg.applicationInfo.packageName, 1040 extras, null, null, updateUsers); 1041 if (update) { 1042 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1043 res.pkg.applicationInfo.packageName, 1044 extras, null, null, updateUsers); 1045 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1046 null, null, 1047 res.pkg.applicationInfo.packageName, null, updateUsers); 1048 1049 // treat asec-hosted packages like removable media on upgrade 1050 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1051 if (DEBUG_INSTALL) { 1052 Slog.i(TAG, "upgrading pkg " + res.pkg 1053 + " is ASEC-hosted -> AVAILABLE"); 1054 } 1055 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1056 ArrayList<String> pkgList = new ArrayList<String>(1); 1057 pkgList.add(res.pkg.applicationInfo.packageName); 1058 sendResourcesChangedBroadcast(true, true, 1059 pkgList,uidArray, null); 1060 } 1061 } 1062 if (res.removedInfo.args != null) { 1063 // Remove the replaced package's older resources safely now 1064 deleteOld = true; 1065 } 1066 1067 // Log current value of "unknown sources" setting 1068 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1069 getUnknownSourcesSettings()); 1070 } 1071 // Force a gc to clear up things 1072 Runtime.getRuntime().gc(); 1073 // We delete after a gc for applications on sdcard. 1074 if (deleteOld) { 1075 synchronized (mInstallLock) { 1076 res.removedInfo.args.doPostDeleteLI(true); 1077 } 1078 } 1079 if (args.observer != null) { 1080 try { 1081 args.observer.packageInstalled(res.name, res.returnCode); 1082 } catch (RemoteException e) { 1083 Slog.i(TAG, "Observer no longer exists."); 1084 } 1085 } 1086 if (args.observer2 != null) { 1087 try { 1088 Bundle extras = extrasForInstallResult(res); 1089 args.observer2.packageInstalled(res.name, extras, res.returnCode); 1090 } catch (RemoteException e) { 1091 Slog.i(TAG, "Observer no longer exists."); 1092 } 1093 } 1094 } else { 1095 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1096 } 1097 } break; 1098 case UPDATED_MEDIA_STATUS: { 1099 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1100 boolean reportStatus = msg.arg1 == 1; 1101 boolean doGc = msg.arg2 == 1; 1102 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1103 if (doGc) { 1104 // Force a gc to clear up stale containers. 1105 Runtime.getRuntime().gc(); 1106 } 1107 if (msg.obj != null) { 1108 @SuppressWarnings("unchecked") 1109 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1110 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1111 // Unload containers 1112 unloadAllContainers(args); 1113 } 1114 if (reportStatus) { 1115 try { 1116 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1117 PackageHelper.getMountService().finishMediaUpdate(); 1118 } catch (RemoteException e) { 1119 Log.e(TAG, "MountService not running?"); 1120 } 1121 } 1122 } break; 1123 case WRITE_SETTINGS: { 1124 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1125 synchronized (mPackages) { 1126 removeMessages(WRITE_SETTINGS); 1127 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1128 mSettings.writeLPr(); 1129 mDirtyUsers.clear(); 1130 } 1131 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1132 } break; 1133 case WRITE_PACKAGE_RESTRICTIONS: { 1134 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1135 synchronized (mPackages) { 1136 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1137 for (int userId : mDirtyUsers) { 1138 mSettings.writePackageRestrictionsLPr(userId); 1139 } 1140 mDirtyUsers.clear(); 1141 } 1142 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1143 } break; 1144 case CHECK_PENDING_VERIFICATION: { 1145 final int verificationId = msg.arg1; 1146 final PackageVerificationState state = mPendingVerification.get(verificationId); 1147 1148 if ((state != null) && !state.timeoutExtended()) { 1149 final InstallArgs args = state.getInstallArgs(); 1150 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 1151 mPendingVerification.remove(verificationId); 1152 1153 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1154 1155 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1156 Slog.i(TAG, "Continuing with installation of " 1157 + args.packageURI.toString()); 1158 state.setVerifierResponse(Binder.getCallingUid(), 1159 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1160 broadcastPackageVerified(verificationId, args.packageURI, 1161 PackageManager.VERIFICATION_ALLOW, 1162 state.getInstallArgs().getUser()); 1163 try { 1164 ret = args.copyApk(mContainerService, true); 1165 } catch (RemoteException e) { 1166 Slog.e(TAG, "Could not contact the ContainerService"); 1167 } 1168 } else { 1169 broadcastPackageVerified(verificationId, args.packageURI, 1170 PackageManager.VERIFICATION_REJECT, 1171 state.getInstallArgs().getUser()); 1172 } 1173 1174 processPendingInstall(args, ret); 1175 mHandler.sendEmptyMessage(MCS_UNBIND); 1176 } 1177 break; 1178 } 1179 case PACKAGE_VERIFIED: { 1180 final int verificationId = msg.arg1; 1181 1182 final PackageVerificationState state = mPendingVerification.get(verificationId); 1183 if (state == null) { 1184 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1185 break; 1186 } 1187 1188 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1189 1190 state.setVerifierResponse(response.callerUid, response.code); 1191 1192 if (state.isVerificationComplete()) { 1193 mPendingVerification.remove(verificationId); 1194 1195 final InstallArgs args = state.getInstallArgs(); 1196 1197 int ret; 1198 if (state.isInstallAllowed()) { 1199 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1200 broadcastPackageVerified(verificationId, args.packageURI, 1201 response.code, state.getInstallArgs().getUser()); 1202 try { 1203 ret = args.copyApk(mContainerService, true); 1204 } catch (RemoteException e) { 1205 Slog.e(TAG, "Could not contact the ContainerService"); 1206 } 1207 } else { 1208 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1209 } 1210 1211 processPendingInstall(args, ret); 1212 1213 mHandler.sendEmptyMessage(MCS_UNBIND); 1214 } 1215 1216 break; 1217 } 1218 } 1219 } 1220 } 1221 1222 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1223 Bundle extras = null; 1224 switch (res.returnCode) { 1225 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1226 extras = new Bundle(); 1227 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1228 res.origPermission); 1229 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1230 res.origPackage); 1231 break; 1232 } 1233 } 1234 return extras; 1235 } 1236 1237 void scheduleWriteSettingsLocked() { 1238 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1239 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1240 } 1241 } 1242 1243 void scheduleWritePackageRestrictionsLocked(int userId) { 1244 if (!sUserManager.exists(userId)) return; 1245 mDirtyUsers.add(userId); 1246 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1247 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1248 } 1249 } 1250 1251 public static final PackageManagerService main(Context context, Installer installer, 1252 boolean factoryTest, boolean onlyCore) { 1253 PackageManagerService m = new PackageManagerService(context, installer, 1254 factoryTest, onlyCore); 1255 ServiceManager.addService("package", m); 1256 return m; 1257 } 1258 1259 static String[] splitString(String str, char sep) { 1260 int count = 1; 1261 int i = 0; 1262 while ((i=str.indexOf(sep, i)) >= 0) { 1263 count++; 1264 i++; 1265 } 1266 1267 String[] res = new String[count]; 1268 i=0; 1269 count = 0; 1270 int lastI=0; 1271 while ((i=str.indexOf(sep, i)) >= 0) { 1272 res[count] = str.substring(lastI, i); 1273 count++; 1274 i++; 1275 lastI = i; 1276 } 1277 res[count] = str.substring(lastI, str.length()); 1278 return res; 1279 } 1280 1281 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1282 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1283 Context.DISPLAY_SERVICE); 1284 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1285 } 1286 1287 public PackageManagerService(Context context, Installer installer, 1288 boolean factoryTest, boolean onlyCore) { 1289 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1290 SystemClock.uptimeMillis()); 1291 1292 if (mSdkVersion <= 0) { 1293 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1294 } 1295 1296 mContext = context; 1297 mFactoryTest = factoryTest; 1298 mOnlyCore = onlyCore; 1299 mMetrics = new DisplayMetrics(); 1300 mSettings = new Settings(context); 1301 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1302 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1303 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1304 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1305 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1306 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1307 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1308 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1309 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1310 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1311 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1312 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1313 1314 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1315 if (separateProcesses != null && separateProcesses.length() > 0) { 1316 if ("*".equals(separateProcesses)) { 1317 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1318 mSeparateProcesses = null; 1319 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1320 } else { 1321 mDefParseFlags = 0; 1322 mSeparateProcesses = separateProcesses.split(","); 1323 Slog.w(TAG, "Running with debug.separate_processes: " 1324 + separateProcesses); 1325 } 1326 } else { 1327 mDefParseFlags = 0; 1328 mSeparateProcesses = null; 1329 } 1330 1331 mInstaller = installer; 1332 1333 getDefaultDisplayMetrics(context, mMetrics); 1334 1335 synchronized (mInstallLock) { 1336 // writer 1337 synchronized (mPackages) { 1338 mHandlerThread = new ServiceThread(TAG, 1339 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1340 mHandlerThread.start(); 1341 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1342 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1343 1344 File dataDir = Environment.getDataDirectory(); 1345 mAppDataDir = new File(dataDir, "data"); 1346 mAppInstallDir = new File(dataDir, "app"); 1347 mAppLibInstallDir = new File(dataDir, "app-lib"); 1348 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1349 mUserAppDataDir = new File(dataDir, "user"); 1350 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1351 mAppStagingDir = new File(dataDir, "app-staging"); 1352 1353 sUserManager = new UserManagerService(context, this, 1354 mInstallLock, mPackages); 1355 1356 // Read permissions and features from system 1357 readPermissions(Environment.buildPath( 1358 Environment.getRootDirectory(), "etc", "permissions"), false); 1359 // Only read features from OEM 1360 readPermissions(Environment.buildPath( 1361 Environment.getOemDirectory(), "etc", "permissions"), true); 1362 1363 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1364 1365 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1366 mSdkVersion, mOnlyCore); 1367 1368 String customResolverActivity = Resources.getSystem().getString( 1369 R.string.config_customResolverActivity); 1370 if (TextUtils.isEmpty(customResolverActivity)) { 1371 customResolverActivity = null; 1372 } else { 1373 mCustomResolverComponentName = ComponentName.unflattenFromString( 1374 customResolverActivity); 1375 } 1376 1377 long startTime = SystemClock.uptimeMillis(); 1378 1379 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1380 startTime); 1381 1382 // Set flag to monitor and not change apk file paths when 1383 // scanning install directories. 1384 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1385 1386 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1387 1388 /** 1389 * Add everything in the in the boot class path to the 1390 * list of process files because dexopt will have been run 1391 * if necessary during zygote startup. 1392 */ 1393 String bootClassPath = System.getProperty("java.boot.class.path"); 1394 if (bootClassPath != null) { 1395 String[] paths = splitString(bootClassPath, ':'); 1396 for (int i=0; i<paths.length; i++) { 1397 alreadyDexOpted.add(paths[i]); 1398 } 1399 } else { 1400 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1401 } 1402 1403 boolean didDexOptLibraryOrTool = false; 1404 1405 final List<String> instructionSets = getAllInstructionSets(); 1406 1407 /** 1408 * Ensure all external libraries have had dexopt run on them. 1409 */ 1410 if (mSharedLibraries.size() > 0) { 1411 // NOTE: For now, we're compiling these system "shared libraries" 1412 // (and framework jars) into all available architectures. It's possible 1413 // to compile them only when we come across an app that uses them (there's 1414 // already logic for that in scanPackageLI) but that adds some complexity. 1415 for (String instructionSet : instructionSets) { 1416 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1417 final String lib = libEntry.path; 1418 if (lib == null) { 1419 continue; 1420 } 1421 1422 try { 1423 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1424 alreadyDexOpted.add(lib); 1425 1426 // The list of "shared libraries" we have at this point is 1427 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1428 didDexOptLibraryOrTool = true; 1429 } 1430 } catch (FileNotFoundException e) { 1431 Slog.w(TAG, "Library not found: " + lib); 1432 } catch (IOException e) { 1433 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1434 + e.getMessage()); 1435 } 1436 } 1437 } 1438 } 1439 1440 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1441 1442 // Gross hack for now: we know this file doesn't contain any 1443 // code, so don't dexopt it to avoid the resulting log spew. 1444 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1445 1446 // Gross hack for now: we know this file is only part of 1447 // the boot class path for art, so don't dexopt it to 1448 // avoid the resulting log spew. 1449 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1450 1451 /** 1452 * And there are a number of commands implemented in Java, which 1453 * we currently need to do the dexopt on so that they can be 1454 * run from a non-root shell. 1455 */ 1456 String[] frameworkFiles = frameworkDir.list(); 1457 if (frameworkFiles != null) { 1458 // TODO: We could compile these only for the most preferred ABI. We should 1459 // first double check that the dex files for these commands are not referenced 1460 // by other system apps. 1461 for (String instructionSet : instructionSets) { 1462 for (int i=0; i<frameworkFiles.length; i++) { 1463 File libPath = new File(frameworkDir, frameworkFiles[i]); 1464 String path = libPath.getPath(); 1465 // Skip the file if we already did it. 1466 if (alreadyDexOpted.contains(path)) { 1467 continue; 1468 } 1469 // Skip the file if it is not a type we want to dexopt. 1470 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1471 continue; 1472 } 1473 try { 1474 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1475 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1476 didDexOptLibraryOrTool = true; 1477 } 1478 } catch (FileNotFoundException e) { 1479 Slog.w(TAG, "Jar not found: " + path); 1480 } catch (IOException e) { 1481 Slog.w(TAG, "Exception reading jar: " + path, e); 1482 } 1483 } 1484 } 1485 } 1486 1487 if (didDexOptLibraryOrTool) { 1488 // If we dexopted a library or tool, then something on the system has 1489 // changed. Consider this significant, and wipe away all other 1490 // existing dexopt files to ensure we don't leave any dangling around. 1491 // 1492 // Additionally, delete all dex files from the root directory 1493 // since there shouldn't be any there anyway. 1494 // 1495 // TODO: This should be revisited because it isn't as good an indicator 1496 // as it used to be. It used to include the boot classpath but at some point 1497 // DexFile.isDexOptNeeded started returning false for the boot 1498 // class path files in all cases. It is very possible in a 1499 // small maintenance release update that the library and tool 1500 // jars may be unchanged but APK could be removed resulting in 1501 // unused dalvik-cache files. 1502 mInstaller.pruneDexCache(); 1503 } 1504 1505 // Collect vendor overlay packages. 1506 // (Do this before scanning any apps.) 1507 // For security and version matching reason, only consider 1508 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1509 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1510 mVendorOverlayInstallObserver = new AppDirObserver( 1511 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1512 mVendorOverlayInstallObserver.startWatching(); 1513 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1514 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1515 1516 // Find base frameworks (resource packages without code). 1517 mFrameworkInstallObserver = new AppDirObserver( 1518 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1519 mFrameworkInstallObserver.startWatching(); 1520 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1521 | PackageParser.PARSE_IS_SYSTEM_DIR 1522 | PackageParser.PARSE_IS_PRIVILEGED, 1523 scanMode | SCAN_NO_DEX, 0); 1524 1525 // Collected privileged system packages. 1526 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1527 mPrivilegedInstallObserver = new AppDirObserver( 1528 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1529 mPrivilegedInstallObserver.startWatching(); 1530 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1531 | PackageParser.PARSE_IS_SYSTEM_DIR 1532 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1533 1534 // Collect ordinary system packages. 1535 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1536 mSystemInstallObserver = new AppDirObserver( 1537 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1538 mSystemInstallObserver.startWatching(); 1539 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1540 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1541 1542 // Collect all vendor packages. 1543 File vendorAppDir = new File("/vendor/app"); 1544 try { 1545 vendorAppDir = vendorAppDir.getCanonicalFile(); 1546 } catch (IOException e) { 1547 // failed to look up canonical path, continue with original one 1548 } 1549 mVendorInstallObserver = new AppDirObserver( 1550 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1551 mVendorInstallObserver.startWatching(); 1552 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1553 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1554 1555 // Collect all OEM packages. 1556 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1557 mOemInstallObserver = new AppDirObserver( 1558 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1559 mOemInstallObserver.startWatching(); 1560 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1561 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1562 1563 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1564 mInstaller.moveFiles(); 1565 1566 // Prune any system packages that no longer exist. 1567 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1568 if (!mOnlyCore) { 1569 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1570 while (psit.hasNext()) { 1571 PackageSetting ps = psit.next(); 1572 1573 /* 1574 * If this is not a system app, it can't be a 1575 * disable system app. 1576 */ 1577 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1578 continue; 1579 } 1580 1581 /* 1582 * If the package is scanned, it's not erased. 1583 */ 1584 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1585 if (scannedPkg != null) { 1586 /* 1587 * If the system app is both scanned and in the 1588 * disabled packages list, then it must have been 1589 * added via OTA. Remove it from the currently 1590 * scanned package so the previously user-installed 1591 * application can be scanned. 1592 */ 1593 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1594 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1595 + "; removing system app"); 1596 removePackageLI(ps, true); 1597 } 1598 1599 continue; 1600 } 1601 1602 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1603 psit.remove(); 1604 String msg = "System package " + ps.name 1605 + " no longer exists; wiping its data"; 1606 reportSettingsProblem(Log.WARN, msg); 1607 removeDataDirsLI(ps.name); 1608 } else { 1609 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1610 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1611 possiblyDeletedUpdatedSystemApps.add(ps.name); 1612 } 1613 } 1614 } 1615 } 1616 1617 //look for any incomplete package installations 1618 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1619 //clean up list 1620 for(int i = 0; i < deletePkgsList.size(); i++) { 1621 //clean up here 1622 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1623 } 1624 //delete tmp files 1625 deleteTempPackageFiles(); 1626 1627 // Remove any shared userIDs that have no associated packages 1628 mSettings.pruneSharedUsersLPw(); 1629 1630 if (!mOnlyCore) { 1631 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1632 SystemClock.uptimeMillis()); 1633 mAppInstallObserver = new AppDirObserver( 1634 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1635 mAppInstallObserver.startWatching(); 1636 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1637 1638 mDrmAppInstallObserver = new AppDirObserver( 1639 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1640 mDrmAppInstallObserver.startWatching(); 1641 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1642 scanMode, 0); 1643 1644 /** 1645 * Remove disable package settings for any updated system 1646 * apps that were removed via an OTA. If they're not a 1647 * previously-updated app, remove them completely. 1648 * Otherwise, just revoke their system-level permissions. 1649 */ 1650 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1651 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1652 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1653 1654 String msg; 1655 if (deletedPkg == null) { 1656 msg = "Updated system package " + deletedAppName 1657 + " no longer exists; wiping its data"; 1658 removeDataDirsLI(deletedAppName); 1659 } else { 1660 msg = "Updated system app + " + deletedAppName 1661 + " no longer present; removing system privileges for " 1662 + deletedAppName; 1663 1664 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1665 1666 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1667 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1668 } 1669 reportSettingsProblem(Log.WARN, msg); 1670 } 1671 } else { 1672 mAppInstallObserver = null; 1673 mDrmAppInstallObserver = null; 1674 } 1675 1676 // Now that we know all of the shared libraries, update all clients to have 1677 // the correct library paths. 1678 updateAllSharedLibrariesLPw(); 1679 1680 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1681 // NOTE: We ignore potential failures here during a system scan (like 1682 // the rest of the commands above) because there's precious little we 1683 // can do about it. A settings error is reported, though. 1684 adjustCpuAbisForSharedUserLPw(setting.packages, null, 1685 false /* force dexopt */, false /* defer dexopt */); 1686 } 1687 1688 // Now that we know all the packages we are keeping, 1689 // read and update their last usage times. 1690 mPackageUsage.readLP(); 1691 1692 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1693 SystemClock.uptimeMillis()); 1694 Slog.i(TAG, "Time to scan packages: " 1695 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1696 + " seconds"); 1697 1698 // If the platform SDK has changed since the last time we booted, 1699 // we need to re-grant app permission to catch any new ones that 1700 // appear. This is really a hack, and means that apps can in some 1701 // cases get permissions that the user didn't initially explicitly 1702 // allow... it would be nice to have some better way to handle 1703 // this situation. 1704 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1705 != mSdkVersion; 1706 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1707 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1708 + "; regranting permissions for internal storage"); 1709 mSettings.mInternalSdkPlatform = mSdkVersion; 1710 1711 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1712 | (regrantPermissions 1713 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1714 : 0)); 1715 1716 // If this is the first boot, and it is a normal boot, then 1717 // we need to initialize the default preferred apps. 1718 if (!mRestoredSettings && !onlyCore) { 1719 mSettings.readDefaultPreferredAppsLPw(this, 0); 1720 } 1721 1722 // All the changes are done during package scanning. 1723 mSettings.updateInternalDatabaseVersion(); 1724 1725 // can downgrade to reader 1726 mSettings.writeLPr(); 1727 1728 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1729 SystemClock.uptimeMillis()); 1730 1731 1732 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1733 } // synchronized (mPackages) 1734 } // synchronized (mInstallLock) 1735 1736 mInstallerService = new PackageInstallerService(context, this, mAppStagingDir); 1737 1738 // Now after opening every single application zip, make sure they 1739 // are all flushed. Not really needed, but keeps things nice and 1740 // tidy. 1741 Runtime.getRuntime().gc(); 1742 } 1743 1744 @Override 1745 public boolean isFirstBoot() { 1746 return !mRestoredSettings || mPackageUsage.isFirstBoot(); 1747 } 1748 1749 @Override 1750 public boolean isOnlyCoreApps() { 1751 return mOnlyCore; 1752 } 1753 1754 private String getRequiredVerifierLPr() { 1755 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1756 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1757 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1758 1759 String requiredVerifier = null; 1760 1761 final int N = receivers.size(); 1762 for (int i = 0; i < N; i++) { 1763 final ResolveInfo info = receivers.get(i); 1764 1765 if (info.activityInfo == null) { 1766 continue; 1767 } 1768 1769 final String packageName = info.activityInfo.packageName; 1770 1771 final PackageSetting ps = mSettings.mPackages.get(packageName); 1772 if (ps == null) { 1773 continue; 1774 } 1775 1776 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1777 if (!gp.grantedPermissions 1778 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1779 continue; 1780 } 1781 1782 if (requiredVerifier != null) { 1783 throw new RuntimeException("There can be only one required verifier"); 1784 } 1785 1786 requiredVerifier = packageName; 1787 } 1788 1789 return requiredVerifier; 1790 } 1791 1792 @Override 1793 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1794 throws RemoteException { 1795 try { 1796 return super.onTransact(code, data, reply, flags); 1797 } catch (RuntimeException e) { 1798 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1799 Slog.wtf(TAG, "Package Manager Crash", e); 1800 } 1801 throw e; 1802 } 1803 } 1804 1805 void cleanupInstallFailedPackage(PackageSetting ps) { 1806 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1807 removeDataDirsLI(ps.name); 1808 if (ps.codePath != null) { 1809 if (!ps.codePath.delete()) { 1810 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1811 } 1812 } 1813 if (ps.resourcePath != null) { 1814 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1815 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1816 } 1817 } 1818 mSettings.removePackageLPw(ps.name); 1819 } 1820 1821 void readPermissions(File libraryDir, boolean onlyFeatures) { 1822 // Read permissions from .../etc/permission directory. 1823 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1824 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1825 return; 1826 } 1827 if (!libraryDir.canRead()) { 1828 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1829 return; 1830 } 1831 1832 // Iterate over the files in the directory and scan .xml files 1833 for (File f : libraryDir.listFiles()) { 1834 // We'll read platform.xml last 1835 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1836 continue; 1837 } 1838 1839 if (!f.getPath().endsWith(".xml")) { 1840 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1841 continue; 1842 } 1843 if (!f.canRead()) { 1844 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1845 continue; 1846 } 1847 1848 readPermissionsFromXml(f, onlyFeatures); 1849 } 1850 1851 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1852 final File permFile = new File(Environment.getRootDirectory(), 1853 "etc/permissions/platform.xml"); 1854 readPermissionsFromXml(permFile, onlyFeatures); 1855 } 1856 1857 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1858 FileReader permReader = null; 1859 try { 1860 permReader = new FileReader(permFile); 1861 } catch (FileNotFoundException e) { 1862 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1863 return; 1864 } 1865 1866 try { 1867 XmlPullParser parser = Xml.newPullParser(); 1868 parser.setInput(permReader); 1869 1870 XmlUtils.beginDocument(parser, "permissions"); 1871 1872 while (true) { 1873 XmlUtils.nextElement(parser); 1874 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1875 break; 1876 } 1877 1878 String name = parser.getName(); 1879 if ("group".equals(name) && !onlyFeatures) { 1880 String gidStr = parser.getAttributeValue(null, "gid"); 1881 if (gidStr != null) { 1882 int gid = Process.getGidForName(gidStr); 1883 mGlobalGids = appendInt(mGlobalGids, gid); 1884 } else { 1885 Slog.w(TAG, "<group> without gid at " 1886 + parser.getPositionDescription()); 1887 } 1888 1889 XmlUtils.skipCurrentTag(parser); 1890 continue; 1891 } else if ("permission".equals(name) && !onlyFeatures) { 1892 String perm = parser.getAttributeValue(null, "name"); 1893 if (perm == null) { 1894 Slog.w(TAG, "<permission> without name at " 1895 + parser.getPositionDescription()); 1896 XmlUtils.skipCurrentTag(parser); 1897 continue; 1898 } 1899 perm = perm.intern(); 1900 readPermission(parser, perm); 1901 1902 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1903 String perm = parser.getAttributeValue(null, "name"); 1904 if (perm == null) { 1905 Slog.w(TAG, "<assign-permission> without name at " 1906 + parser.getPositionDescription()); 1907 XmlUtils.skipCurrentTag(parser); 1908 continue; 1909 } 1910 String uidStr = parser.getAttributeValue(null, "uid"); 1911 if (uidStr == null) { 1912 Slog.w(TAG, "<assign-permission> without uid at " 1913 + parser.getPositionDescription()); 1914 XmlUtils.skipCurrentTag(parser); 1915 continue; 1916 } 1917 int uid = Process.getUidForName(uidStr); 1918 if (uid < 0) { 1919 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1920 + uidStr + "\" at " 1921 + parser.getPositionDescription()); 1922 XmlUtils.skipCurrentTag(parser); 1923 continue; 1924 } 1925 perm = perm.intern(); 1926 HashSet<String> perms = mSystemPermissions.get(uid); 1927 if (perms == null) { 1928 perms = new HashSet<String>(); 1929 mSystemPermissions.put(uid, perms); 1930 } 1931 perms.add(perm); 1932 XmlUtils.skipCurrentTag(parser); 1933 1934 } else if ("library".equals(name) && !onlyFeatures) { 1935 String lname = parser.getAttributeValue(null, "name"); 1936 String lfile = parser.getAttributeValue(null, "file"); 1937 if (lname == null) { 1938 Slog.w(TAG, "<library> without name at " 1939 + parser.getPositionDescription()); 1940 } else if (lfile == null) { 1941 Slog.w(TAG, "<library> without file at " 1942 + parser.getPositionDescription()); 1943 } else { 1944 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1945 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1946 } 1947 XmlUtils.skipCurrentTag(parser); 1948 continue; 1949 1950 } else if ("feature".equals(name)) { 1951 String fname = parser.getAttributeValue(null, "name"); 1952 if (fname == null) { 1953 Slog.w(TAG, "<feature> without name at " 1954 + parser.getPositionDescription()); 1955 } else { 1956 //Log.i(TAG, "Got feature " + fname); 1957 FeatureInfo fi = new FeatureInfo(); 1958 fi.name = fname; 1959 mAvailableFeatures.put(fname, fi); 1960 } 1961 XmlUtils.skipCurrentTag(parser); 1962 continue; 1963 1964 } else { 1965 XmlUtils.skipCurrentTag(parser); 1966 continue; 1967 } 1968 1969 } 1970 permReader.close(); 1971 } catch (XmlPullParserException e) { 1972 Slog.w(TAG, "Got execption parsing permissions.", e); 1973 } catch (IOException e) { 1974 Slog.w(TAG, "Got execption parsing permissions.", e); 1975 } 1976 } 1977 1978 void readPermission(XmlPullParser parser, String name) 1979 throws IOException, XmlPullParserException { 1980 1981 name = name.intern(); 1982 1983 BasePermission bp = mSettings.mPermissions.get(name); 1984 if (bp == null) { 1985 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1986 mSettings.mPermissions.put(name, bp); 1987 } 1988 int outerDepth = parser.getDepth(); 1989 int type; 1990 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1991 && (type != XmlPullParser.END_TAG 1992 || parser.getDepth() > outerDepth)) { 1993 if (type == XmlPullParser.END_TAG 1994 || type == XmlPullParser.TEXT) { 1995 continue; 1996 } 1997 1998 String tagName = parser.getName(); 1999 if ("group".equals(tagName)) { 2000 String gidStr = parser.getAttributeValue(null, "gid"); 2001 if (gidStr != null) { 2002 int gid = Process.getGidForName(gidStr); 2003 bp.gids = appendInt(bp.gids, gid); 2004 } else { 2005 Slog.w(TAG, "<group> without gid at " 2006 + parser.getPositionDescription()); 2007 } 2008 } 2009 XmlUtils.skipCurrentTag(parser); 2010 } 2011 } 2012 2013 static int[] appendInts(int[] cur, int[] add) { 2014 if (add == null) return cur; 2015 if (cur == null) return add; 2016 final int N = add.length; 2017 for (int i=0; i<N; i++) { 2018 cur = appendInt(cur, add[i]); 2019 } 2020 return cur; 2021 } 2022 2023 static int[] removeInts(int[] cur, int[] rem) { 2024 if (rem == null) return cur; 2025 if (cur == null) return cur; 2026 final int N = rem.length; 2027 for (int i=0; i<N; i++) { 2028 cur = removeInt(cur, rem[i]); 2029 } 2030 return cur; 2031 } 2032 2033 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2034 if (!sUserManager.exists(userId)) return null; 2035 final PackageSetting ps = (PackageSetting) p.mExtras; 2036 if (ps == null) { 2037 return null; 2038 } 2039 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2040 final PackageUserState state = ps.readUserState(userId); 2041 return PackageParser.generatePackageInfo(p, gp.gids, flags, 2042 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 2043 state, userId); 2044 } 2045 2046 @Override 2047 public boolean isPackageAvailable(String packageName, int userId) { 2048 if (!sUserManager.exists(userId)) return false; 2049 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 2050 synchronized (mPackages) { 2051 PackageParser.Package p = mPackages.get(packageName); 2052 if (p != null) { 2053 final PackageSetting ps = (PackageSetting) p.mExtras; 2054 if (ps != null) { 2055 final PackageUserState state = ps.readUserState(userId); 2056 if (state != null) { 2057 return PackageParser.isAvailable(state); 2058 } 2059 } 2060 } 2061 } 2062 return false; 2063 } 2064 2065 @Override 2066 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2067 if (!sUserManager.exists(userId)) return null; 2068 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 2069 // reader 2070 synchronized (mPackages) { 2071 PackageParser.Package p = mPackages.get(packageName); 2072 if (DEBUG_PACKAGE_INFO) 2073 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2074 if (p != null) { 2075 return generatePackageInfo(p, flags, userId); 2076 } 2077 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2078 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2079 } 2080 } 2081 return null; 2082 } 2083 2084 @Override 2085 public String[] currentToCanonicalPackageNames(String[] names) { 2086 String[] out = new String[names.length]; 2087 // reader 2088 synchronized (mPackages) { 2089 for (int i=names.length-1; i>=0; i--) { 2090 PackageSetting ps = mSettings.mPackages.get(names[i]); 2091 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2092 } 2093 } 2094 return out; 2095 } 2096 2097 @Override 2098 public String[] canonicalToCurrentPackageNames(String[] names) { 2099 String[] out = new String[names.length]; 2100 // reader 2101 synchronized (mPackages) { 2102 for (int i=names.length-1; i>=0; i--) { 2103 String cur = mSettings.mRenamedPackages.get(names[i]); 2104 out[i] = cur != null ? cur : names[i]; 2105 } 2106 } 2107 return out; 2108 } 2109 2110 @Override 2111 public int getPackageUid(String packageName, int userId) { 2112 if (!sUserManager.exists(userId)) return -1; 2113 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2114 // reader 2115 synchronized (mPackages) { 2116 PackageParser.Package p = mPackages.get(packageName); 2117 if(p != null) { 2118 return UserHandle.getUid(userId, p.applicationInfo.uid); 2119 } 2120 PackageSetting ps = mSettings.mPackages.get(packageName); 2121 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2122 return -1; 2123 } 2124 p = ps.pkg; 2125 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2126 } 2127 } 2128 2129 @Override 2130 public int[] getPackageGids(String packageName) { 2131 // reader 2132 synchronized (mPackages) { 2133 PackageParser.Package p = mPackages.get(packageName); 2134 if (DEBUG_PACKAGE_INFO) 2135 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2136 if (p != null) { 2137 final PackageSetting ps = (PackageSetting)p.mExtras; 2138 return ps.getGids(); 2139 } 2140 } 2141 // stupid thing to indicate an error. 2142 return new int[0]; 2143 } 2144 2145 static final PermissionInfo generatePermissionInfo( 2146 BasePermission bp, int flags) { 2147 if (bp.perm != null) { 2148 return PackageParser.generatePermissionInfo(bp.perm, flags); 2149 } 2150 PermissionInfo pi = new PermissionInfo(); 2151 pi.name = bp.name; 2152 pi.packageName = bp.sourcePackage; 2153 pi.nonLocalizedLabel = bp.name; 2154 pi.protectionLevel = bp.protectionLevel; 2155 return pi; 2156 } 2157 2158 @Override 2159 public PermissionInfo getPermissionInfo(String name, int flags) { 2160 // reader 2161 synchronized (mPackages) { 2162 final BasePermission p = mSettings.mPermissions.get(name); 2163 if (p != null) { 2164 return generatePermissionInfo(p, flags); 2165 } 2166 return null; 2167 } 2168 } 2169 2170 @Override 2171 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2172 // reader 2173 synchronized (mPackages) { 2174 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2175 for (BasePermission p : mSettings.mPermissions.values()) { 2176 if (group == null) { 2177 if (p.perm == null || p.perm.info.group == null) { 2178 out.add(generatePermissionInfo(p, flags)); 2179 } 2180 } else { 2181 if (p.perm != null && group.equals(p.perm.info.group)) { 2182 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2183 } 2184 } 2185 } 2186 2187 if (out.size() > 0) { 2188 return out; 2189 } 2190 return mPermissionGroups.containsKey(group) ? out : null; 2191 } 2192 } 2193 2194 @Override 2195 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2196 // reader 2197 synchronized (mPackages) { 2198 return PackageParser.generatePermissionGroupInfo( 2199 mPermissionGroups.get(name), flags); 2200 } 2201 } 2202 2203 @Override 2204 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2205 // reader 2206 synchronized (mPackages) { 2207 final int N = mPermissionGroups.size(); 2208 ArrayList<PermissionGroupInfo> out 2209 = new ArrayList<PermissionGroupInfo>(N); 2210 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2211 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2212 } 2213 return out; 2214 } 2215 } 2216 2217 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2218 int userId) { 2219 if (!sUserManager.exists(userId)) return null; 2220 PackageSetting ps = mSettings.mPackages.get(packageName); 2221 if (ps != null) { 2222 if (ps.pkg == null) { 2223 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2224 flags, userId); 2225 if (pInfo != null) { 2226 return pInfo.applicationInfo; 2227 } 2228 return null; 2229 } 2230 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2231 ps.readUserState(userId), userId); 2232 } 2233 return null; 2234 } 2235 2236 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2237 int userId) { 2238 if (!sUserManager.exists(userId)) return null; 2239 PackageSetting ps = mSettings.mPackages.get(packageName); 2240 if (ps != null) { 2241 PackageParser.Package pkg = ps.pkg; 2242 if (pkg == null) { 2243 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2244 return null; 2245 } 2246 // App code is gone, so we aren't worried about split paths 2247 pkg = new PackageParser.Package(packageName); 2248 pkg.applicationInfo.packageName = packageName; 2249 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2250 pkg.applicationInfo.sourceDir = ps.codePathString; 2251 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2252 pkg.applicationInfo.dataDir = 2253 getDataPathForPackage(packageName, 0).getPath(); 2254 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2255 pkg.applicationInfo.cpuAbi = ps.cpuAbiString; 2256 } 2257 return generatePackageInfo(pkg, flags, userId); 2258 } 2259 return null; 2260 } 2261 2262 @Override 2263 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2264 if (!sUserManager.exists(userId)) return null; 2265 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2266 // writer 2267 synchronized (mPackages) { 2268 PackageParser.Package p = mPackages.get(packageName); 2269 if (DEBUG_PACKAGE_INFO) Log.v( 2270 TAG, "getApplicationInfo " + packageName 2271 + ": " + p); 2272 if (p != null) { 2273 PackageSetting ps = mSettings.mPackages.get(packageName); 2274 if (ps == null) return null; 2275 // Note: isEnabledLP() does not apply here - always return info 2276 return PackageParser.generateApplicationInfo( 2277 p, flags, ps.readUserState(userId), userId); 2278 } 2279 if ("android".equals(packageName)||"system".equals(packageName)) { 2280 return mAndroidApplication; 2281 } 2282 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2283 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2284 } 2285 } 2286 return null; 2287 } 2288 2289 2290 @Override 2291 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2292 mContext.enforceCallingOrSelfPermission( 2293 android.Manifest.permission.CLEAR_APP_CACHE, null); 2294 // Queue up an async operation since clearing cache may take a little while. 2295 mHandler.post(new Runnable() { 2296 public void run() { 2297 mHandler.removeCallbacks(this); 2298 int retCode = -1; 2299 synchronized (mInstallLock) { 2300 retCode = mInstaller.freeCache(freeStorageSize); 2301 if (retCode < 0) { 2302 Slog.w(TAG, "Couldn't clear application caches"); 2303 } 2304 } 2305 if (observer != null) { 2306 try { 2307 observer.onRemoveCompleted(null, (retCode >= 0)); 2308 } catch (RemoteException e) { 2309 Slog.w(TAG, "RemoveException when invoking call back"); 2310 } 2311 } 2312 } 2313 }); 2314 } 2315 2316 @Override 2317 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2318 mContext.enforceCallingOrSelfPermission( 2319 android.Manifest.permission.CLEAR_APP_CACHE, null); 2320 // Queue up an async operation since clearing cache may take a little while. 2321 mHandler.post(new Runnable() { 2322 public void run() { 2323 mHandler.removeCallbacks(this); 2324 int retCode = -1; 2325 synchronized (mInstallLock) { 2326 retCode = mInstaller.freeCache(freeStorageSize); 2327 if (retCode < 0) { 2328 Slog.w(TAG, "Couldn't clear application caches"); 2329 } 2330 } 2331 if(pi != null) { 2332 try { 2333 // Callback via pending intent 2334 int code = (retCode >= 0) ? 1 : 0; 2335 pi.sendIntent(null, code, null, 2336 null, null); 2337 } catch (SendIntentException e1) { 2338 Slog.i(TAG, "Failed to send pending intent"); 2339 } 2340 } 2341 } 2342 }); 2343 } 2344 2345 void freeStorage(long freeStorageSize) throws IOException { 2346 synchronized (mInstallLock) { 2347 if (mInstaller.freeCache(freeStorageSize) < 0) { 2348 throw new IOException("Failed to free enough space"); 2349 } 2350 } 2351 } 2352 2353 @Override 2354 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2355 if (!sUserManager.exists(userId)) return null; 2356 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2357 synchronized (mPackages) { 2358 PackageParser.Activity a = mActivities.mActivities.get(component); 2359 2360 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2361 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2362 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2363 if (ps == null) return null; 2364 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2365 userId); 2366 } 2367 if (mResolveComponentName.equals(component)) { 2368 return mResolveActivity; 2369 } 2370 } 2371 return null; 2372 } 2373 2374 @Override 2375 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2376 String resolvedType) { 2377 synchronized (mPackages) { 2378 PackageParser.Activity a = mActivities.mActivities.get(component); 2379 if (a == null) { 2380 return false; 2381 } 2382 for (int i=0; i<a.intents.size(); i++) { 2383 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2384 intent.getData(), intent.getCategories(), TAG) >= 0) { 2385 return true; 2386 } 2387 } 2388 return false; 2389 } 2390 } 2391 2392 @Override 2393 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2394 if (!sUserManager.exists(userId)) return null; 2395 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2396 synchronized (mPackages) { 2397 PackageParser.Activity a = mReceivers.mActivities.get(component); 2398 if (DEBUG_PACKAGE_INFO) Log.v( 2399 TAG, "getReceiverInfo " + component + ": " + a); 2400 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2401 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2402 if (ps == null) return null; 2403 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2404 userId); 2405 } 2406 } 2407 return null; 2408 } 2409 2410 @Override 2411 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2412 if (!sUserManager.exists(userId)) return null; 2413 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2414 synchronized (mPackages) { 2415 PackageParser.Service s = mServices.mServices.get(component); 2416 if (DEBUG_PACKAGE_INFO) Log.v( 2417 TAG, "getServiceInfo " + component + ": " + s); 2418 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2419 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2420 if (ps == null) return null; 2421 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2422 userId); 2423 } 2424 } 2425 return null; 2426 } 2427 2428 @Override 2429 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2430 if (!sUserManager.exists(userId)) return null; 2431 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2432 synchronized (mPackages) { 2433 PackageParser.Provider p = mProviders.mProviders.get(component); 2434 if (DEBUG_PACKAGE_INFO) Log.v( 2435 TAG, "getProviderInfo " + component + ": " + p); 2436 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2437 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2438 if (ps == null) return null; 2439 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2440 userId); 2441 } 2442 } 2443 return null; 2444 } 2445 2446 @Override 2447 public String[] getSystemSharedLibraryNames() { 2448 Set<String> libSet; 2449 synchronized (mPackages) { 2450 libSet = mSharedLibraries.keySet(); 2451 int size = libSet.size(); 2452 if (size > 0) { 2453 String[] libs = new String[size]; 2454 libSet.toArray(libs); 2455 return libs; 2456 } 2457 } 2458 return null; 2459 } 2460 2461 @Override 2462 public FeatureInfo[] getSystemAvailableFeatures() { 2463 Collection<FeatureInfo> featSet; 2464 synchronized (mPackages) { 2465 featSet = mAvailableFeatures.values(); 2466 int size = featSet.size(); 2467 if (size > 0) { 2468 FeatureInfo[] features = new FeatureInfo[size+1]; 2469 featSet.toArray(features); 2470 FeatureInfo fi = new FeatureInfo(); 2471 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2472 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2473 features[size] = fi; 2474 return features; 2475 } 2476 } 2477 return null; 2478 } 2479 2480 @Override 2481 public boolean hasSystemFeature(String name) { 2482 synchronized (mPackages) { 2483 return mAvailableFeatures.containsKey(name); 2484 } 2485 } 2486 2487 private void checkValidCaller(int uid, int userId) { 2488 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2489 return; 2490 2491 throw new SecurityException("Caller uid=" + uid 2492 + " is not privileged to communicate with user=" + userId); 2493 } 2494 2495 @Override 2496 public int checkPermission(String permName, String pkgName) { 2497 synchronized (mPackages) { 2498 PackageParser.Package p = mPackages.get(pkgName); 2499 if (p != null && p.mExtras != null) { 2500 PackageSetting ps = (PackageSetting)p.mExtras; 2501 if (ps.sharedUser != null) { 2502 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2503 return PackageManager.PERMISSION_GRANTED; 2504 } 2505 } else if (ps.grantedPermissions.contains(permName)) { 2506 return PackageManager.PERMISSION_GRANTED; 2507 } 2508 } 2509 } 2510 return PackageManager.PERMISSION_DENIED; 2511 } 2512 2513 @Override 2514 public int checkUidPermission(String permName, int uid) { 2515 synchronized (mPackages) { 2516 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2517 if (obj != null) { 2518 GrantedPermissions gp = (GrantedPermissions)obj; 2519 if (gp.grantedPermissions.contains(permName)) { 2520 return PackageManager.PERMISSION_GRANTED; 2521 } 2522 } else { 2523 HashSet<String> perms = mSystemPermissions.get(uid); 2524 if (perms != null && perms.contains(permName)) { 2525 return PackageManager.PERMISSION_GRANTED; 2526 } 2527 } 2528 } 2529 return PackageManager.PERMISSION_DENIED; 2530 } 2531 2532 /** 2533 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2534 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2535 * @param message the message to log on security exception 2536 */ 2537 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2538 String message) { 2539 if (userId < 0) { 2540 throw new IllegalArgumentException("Invalid userId " + userId); 2541 } 2542 if (userId == UserHandle.getUserId(callingUid)) return; 2543 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2544 if (requireFullPermission) { 2545 mContext.enforceCallingOrSelfPermission( 2546 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2547 } else { 2548 try { 2549 mContext.enforceCallingOrSelfPermission( 2550 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2551 } catch (SecurityException se) { 2552 mContext.enforceCallingOrSelfPermission( 2553 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2554 } 2555 } 2556 } 2557 } 2558 2559 private BasePermission findPermissionTreeLP(String permName) { 2560 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2561 if (permName.startsWith(bp.name) && 2562 permName.length() > bp.name.length() && 2563 permName.charAt(bp.name.length()) == '.') { 2564 return bp; 2565 } 2566 } 2567 return null; 2568 } 2569 2570 private BasePermission checkPermissionTreeLP(String permName) { 2571 if (permName != null) { 2572 BasePermission bp = findPermissionTreeLP(permName); 2573 if (bp != null) { 2574 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2575 return bp; 2576 } 2577 throw new SecurityException("Calling uid " 2578 + Binder.getCallingUid() 2579 + " is not allowed to add to permission tree " 2580 + bp.name + " owned by uid " + bp.uid); 2581 } 2582 } 2583 throw new SecurityException("No permission tree found for " + permName); 2584 } 2585 2586 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2587 if (s1 == null) { 2588 return s2 == null; 2589 } 2590 if (s2 == null) { 2591 return false; 2592 } 2593 if (s1.getClass() != s2.getClass()) { 2594 return false; 2595 } 2596 return s1.equals(s2); 2597 } 2598 2599 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2600 if (pi1.icon != pi2.icon) return false; 2601 if (pi1.logo != pi2.logo) return false; 2602 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2603 if (!compareStrings(pi1.name, pi2.name)) return false; 2604 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2605 // We'll take care of setting this one. 2606 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2607 // These are not currently stored in settings. 2608 //if (!compareStrings(pi1.group, pi2.group)) return false; 2609 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2610 //if (pi1.labelRes != pi2.labelRes) return false; 2611 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2612 return true; 2613 } 2614 2615 int permissionInfoFootprint(PermissionInfo info) { 2616 int size = info.name.length(); 2617 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2618 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2619 return size; 2620 } 2621 2622 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2623 int size = 0; 2624 for (BasePermission perm : mSettings.mPermissions.values()) { 2625 if (perm.uid == tree.uid) { 2626 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2627 } 2628 } 2629 return size; 2630 } 2631 2632 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2633 // We calculate the max size of permissions defined by this uid and throw 2634 // if that plus the size of 'info' would exceed our stated maximum. 2635 if (tree.uid != Process.SYSTEM_UID) { 2636 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2637 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2638 throw new SecurityException("Permission tree size cap exceeded"); 2639 } 2640 } 2641 } 2642 2643 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2644 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2645 throw new SecurityException("Label must be specified in permission"); 2646 } 2647 BasePermission tree = checkPermissionTreeLP(info.name); 2648 BasePermission bp = mSettings.mPermissions.get(info.name); 2649 boolean added = bp == null; 2650 boolean changed = true; 2651 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2652 if (added) { 2653 enforcePermissionCapLocked(info, tree); 2654 bp = new BasePermission(info.name, tree.sourcePackage, 2655 BasePermission.TYPE_DYNAMIC); 2656 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2657 throw new SecurityException( 2658 "Not allowed to modify non-dynamic permission " 2659 + info.name); 2660 } else { 2661 if (bp.protectionLevel == fixedLevel 2662 && bp.perm.owner.equals(tree.perm.owner) 2663 && bp.uid == tree.uid 2664 && comparePermissionInfos(bp.perm.info, info)) { 2665 changed = false; 2666 } 2667 } 2668 bp.protectionLevel = fixedLevel; 2669 info = new PermissionInfo(info); 2670 info.protectionLevel = fixedLevel; 2671 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2672 bp.perm.info.packageName = tree.perm.info.packageName; 2673 bp.uid = tree.uid; 2674 if (added) { 2675 mSettings.mPermissions.put(info.name, bp); 2676 } 2677 if (changed) { 2678 if (!async) { 2679 mSettings.writeLPr(); 2680 } else { 2681 scheduleWriteSettingsLocked(); 2682 } 2683 } 2684 return added; 2685 } 2686 2687 @Override 2688 public boolean addPermission(PermissionInfo info) { 2689 synchronized (mPackages) { 2690 return addPermissionLocked(info, false); 2691 } 2692 } 2693 2694 @Override 2695 public boolean addPermissionAsync(PermissionInfo info) { 2696 synchronized (mPackages) { 2697 return addPermissionLocked(info, true); 2698 } 2699 } 2700 2701 @Override 2702 public void removePermission(String name) { 2703 synchronized (mPackages) { 2704 checkPermissionTreeLP(name); 2705 BasePermission bp = mSettings.mPermissions.get(name); 2706 if (bp != null) { 2707 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2708 throw new SecurityException( 2709 "Not allowed to modify non-dynamic permission " 2710 + name); 2711 } 2712 mSettings.mPermissions.remove(name); 2713 mSettings.writeLPr(); 2714 } 2715 } 2716 } 2717 2718 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2719 int index = pkg.requestedPermissions.indexOf(bp.name); 2720 if (index == -1) { 2721 throw new SecurityException("Package " + pkg.packageName 2722 + " has not requested permission " + bp.name); 2723 } 2724 boolean isNormal = 2725 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2726 == PermissionInfo.PROTECTION_NORMAL); 2727 boolean isDangerous = 2728 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2729 == PermissionInfo.PROTECTION_DANGEROUS); 2730 boolean isDevelopment = 2731 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2732 2733 if (!isNormal && !isDangerous && !isDevelopment) { 2734 throw new SecurityException("Permission " + bp.name 2735 + " is not a changeable permission type"); 2736 } 2737 2738 if (isNormal || isDangerous) { 2739 if (pkg.requestedPermissionsRequired.get(index)) { 2740 throw new SecurityException("Can't change " + bp.name 2741 + ". It is required by the application"); 2742 } 2743 } 2744 } 2745 2746 @Override 2747 public void grantPermission(String packageName, String permissionName) { 2748 mContext.enforceCallingOrSelfPermission( 2749 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2750 synchronized (mPackages) { 2751 final PackageParser.Package pkg = mPackages.get(packageName); 2752 if (pkg == null) { 2753 throw new IllegalArgumentException("Unknown package: " + packageName); 2754 } 2755 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2756 if (bp == null) { 2757 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2758 } 2759 2760 checkGrantRevokePermissions(pkg, bp); 2761 2762 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2763 if (ps == null) { 2764 return; 2765 } 2766 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2767 if (gp.grantedPermissions.add(permissionName)) { 2768 if (ps.haveGids) { 2769 gp.gids = appendInts(gp.gids, bp.gids); 2770 } 2771 mSettings.writeLPr(); 2772 } 2773 } 2774 } 2775 2776 @Override 2777 public void revokePermission(String packageName, String permissionName) { 2778 int changedAppId = -1; 2779 2780 synchronized (mPackages) { 2781 final PackageParser.Package pkg = mPackages.get(packageName); 2782 if (pkg == null) { 2783 throw new IllegalArgumentException("Unknown package: " + packageName); 2784 } 2785 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2786 mContext.enforceCallingOrSelfPermission( 2787 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2788 } 2789 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2790 if (bp == null) { 2791 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2792 } 2793 2794 checkGrantRevokePermissions(pkg, bp); 2795 2796 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2797 if (ps == null) { 2798 return; 2799 } 2800 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2801 if (gp.grantedPermissions.remove(permissionName)) { 2802 gp.grantedPermissions.remove(permissionName); 2803 if (ps.haveGids) { 2804 gp.gids = removeInts(gp.gids, bp.gids); 2805 } 2806 mSettings.writeLPr(); 2807 changedAppId = ps.appId; 2808 } 2809 } 2810 2811 if (changedAppId >= 0) { 2812 // We changed the perm on someone, kill its processes. 2813 IActivityManager am = ActivityManagerNative.getDefault(); 2814 if (am != null) { 2815 final int callingUserId = UserHandle.getCallingUserId(); 2816 final long ident = Binder.clearCallingIdentity(); 2817 try { 2818 //XXX we should only revoke for the calling user's app permissions, 2819 // but for now we impact all users. 2820 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2821 // "revoke " + permissionName); 2822 int[] users = sUserManager.getUserIds(); 2823 for (int user : users) { 2824 am.killUid(UserHandle.getUid(user, changedAppId), 2825 "revoke " + permissionName); 2826 } 2827 } catch (RemoteException e) { 2828 } finally { 2829 Binder.restoreCallingIdentity(ident); 2830 } 2831 } 2832 } 2833 } 2834 2835 @Override 2836 public boolean isProtectedBroadcast(String actionName) { 2837 synchronized (mPackages) { 2838 return mProtectedBroadcasts.contains(actionName); 2839 } 2840 } 2841 2842 @Override 2843 public int checkSignatures(String pkg1, String pkg2) { 2844 synchronized (mPackages) { 2845 final PackageParser.Package p1 = mPackages.get(pkg1); 2846 final PackageParser.Package p2 = mPackages.get(pkg2); 2847 if (p1 == null || p1.mExtras == null 2848 || p2 == null || p2.mExtras == null) { 2849 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2850 } 2851 return compareSignatures(p1.mSignatures, p2.mSignatures); 2852 } 2853 } 2854 2855 @Override 2856 public int checkUidSignatures(int uid1, int uid2) { 2857 // Map to base uids. 2858 uid1 = UserHandle.getAppId(uid1); 2859 uid2 = UserHandle.getAppId(uid2); 2860 // reader 2861 synchronized (mPackages) { 2862 Signature[] s1; 2863 Signature[] s2; 2864 Object obj = mSettings.getUserIdLPr(uid1); 2865 if (obj != null) { 2866 if (obj instanceof SharedUserSetting) { 2867 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2868 } else if (obj instanceof PackageSetting) { 2869 s1 = ((PackageSetting)obj).signatures.mSignatures; 2870 } else { 2871 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2872 } 2873 } else { 2874 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2875 } 2876 obj = mSettings.getUserIdLPr(uid2); 2877 if (obj != null) { 2878 if (obj instanceof SharedUserSetting) { 2879 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2880 } else if (obj instanceof PackageSetting) { 2881 s2 = ((PackageSetting)obj).signatures.mSignatures; 2882 } else { 2883 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2884 } 2885 } else { 2886 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2887 } 2888 return compareSignatures(s1, s2); 2889 } 2890 } 2891 2892 /** 2893 * Compares two sets of signatures. Returns: 2894 * <br /> 2895 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2896 * <br /> 2897 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2898 * <br /> 2899 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2900 * <br /> 2901 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2902 * <br /> 2903 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2904 */ 2905 static int compareSignatures(Signature[] s1, Signature[] s2) { 2906 if (s1 == null) { 2907 return s2 == null 2908 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2909 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2910 } 2911 2912 if (s2 == null) { 2913 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2914 } 2915 2916 if (s1.length != s2.length) { 2917 return PackageManager.SIGNATURE_NO_MATCH; 2918 } 2919 2920 // Since both signature sets are of size 1, we can compare without HashSets. 2921 if (s1.length == 1) { 2922 return s1[0].equals(s2[0]) ? 2923 PackageManager.SIGNATURE_MATCH : 2924 PackageManager.SIGNATURE_NO_MATCH; 2925 } 2926 2927 HashSet<Signature> set1 = new HashSet<Signature>(); 2928 for (Signature sig : s1) { 2929 set1.add(sig); 2930 } 2931 HashSet<Signature> set2 = new HashSet<Signature>(); 2932 for (Signature sig : s2) { 2933 set2.add(sig); 2934 } 2935 // Make sure s2 contains all signatures in s1. 2936 if (set1.equals(set2)) { 2937 return PackageManager.SIGNATURE_MATCH; 2938 } 2939 return PackageManager.SIGNATURE_NO_MATCH; 2940 } 2941 2942 /** 2943 * If the database version for this type of package (internal storage or 2944 * external storage) is less than the version where package signatures 2945 * were updated, return true. 2946 */ 2947 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2948 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2949 DatabaseVersion.SIGNATURE_END_ENTITY)) 2950 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2951 DatabaseVersion.SIGNATURE_END_ENTITY)); 2952 } 2953 2954 /** 2955 * Used for backward compatibility to make sure any packages with 2956 * certificate chains get upgraded to the new style. {@code existingSigs} 2957 * will be in the old format (since they were stored on disk from before the 2958 * system upgrade) and {@code scannedSigs} will be in the newer format. 2959 */ 2960 private int compareSignaturesCompat(PackageSignatures existingSigs, 2961 PackageParser.Package scannedPkg) { 2962 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2963 return PackageManager.SIGNATURE_NO_MATCH; 2964 } 2965 2966 HashSet<Signature> existingSet = new HashSet<Signature>(); 2967 for (Signature sig : existingSigs.mSignatures) { 2968 existingSet.add(sig); 2969 } 2970 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2971 for (Signature sig : scannedPkg.mSignatures) { 2972 try { 2973 Signature[] chainSignatures = sig.getChainSignatures(); 2974 for (Signature chainSig : chainSignatures) { 2975 scannedCompatSet.add(chainSig); 2976 } 2977 } catch (CertificateEncodingException e) { 2978 scannedCompatSet.add(sig); 2979 } 2980 } 2981 /* 2982 * Make sure the expanded scanned set contains all signatures in the 2983 * existing one. 2984 */ 2985 if (scannedCompatSet.equals(existingSet)) { 2986 // Migrate the old signatures to the new scheme. 2987 existingSigs.assignSignatures(scannedPkg.mSignatures); 2988 // The new KeySets will be re-added later in the scanning process. 2989 mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName); 2990 return PackageManager.SIGNATURE_MATCH; 2991 } 2992 return PackageManager.SIGNATURE_NO_MATCH; 2993 } 2994 2995 @Override 2996 public String[] getPackagesForUid(int uid) { 2997 uid = UserHandle.getAppId(uid); 2998 // reader 2999 synchronized (mPackages) { 3000 Object obj = mSettings.getUserIdLPr(uid); 3001 if (obj instanceof SharedUserSetting) { 3002 final SharedUserSetting sus = (SharedUserSetting) obj; 3003 final int N = sus.packages.size(); 3004 final String[] res = new String[N]; 3005 final Iterator<PackageSetting> it = sus.packages.iterator(); 3006 int i = 0; 3007 while (it.hasNext()) { 3008 res[i++] = it.next().name; 3009 } 3010 return res; 3011 } else if (obj instanceof PackageSetting) { 3012 final PackageSetting ps = (PackageSetting) obj; 3013 return new String[] { ps.name }; 3014 } 3015 } 3016 return null; 3017 } 3018 3019 @Override 3020 public String getNameForUid(int uid) { 3021 // reader 3022 synchronized (mPackages) { 3023 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3024 if (obj instanceof SharedUserSetting) { 3025 final SharedUserSetting sus = (SharedUserSetting) obj; 3026 return sus.name + ":" + sus.userId; 3027 } else if (obj instanceof PackageSetting) { 3028 final PackageSetting ps = (PackageSetting) obj; 3029 return ps.name; 3030 } 3031 } 3032 return null; 3033 } 3034 3035 @Override 3036 public int getUidForSharedUser(String sharedUserName) { 3037 if(sharedUserName == null) { 3038 return -1; 3039 } 3040 // reader 3041 synchronized (mPackages) { 3042 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 3043 if (suid == null) { 3044 return -1; 3045 } 3046 return suid.userId; 3047 } 3048 } 3049 3050 @Override 3051 public int getFlagsForUid(int uid) { 3052 synchronized (mPackages) { 3053 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3054 if (obj instanceof SharedUserSetting) { 3055 final SharedUserSetting sus = (SharedUserSetting) obj; 3056 return sus.pkgFlags; 3057 } else if (obj instanceof PackageSetting) { 3058 final PackageSetting ps = (PackageSetting) obj; 3059 return ps.pkgFlags; 3060 } 3061 } 3062 return 0; 3063 } 3064 3065 @Override 3066 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3067 int flags, int userId) { 3068 if (!sUserManager.exists(userId)) return null; 3069 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 3070 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3071 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3072 } 3073 3074 @Override 3075 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3076 IntentFilter filter, int match, ComponentName activity) { 3077 final int userId = UserHandle.getCallingUserId(); 3078 if (DEBUG_PREFERRED) { 3079 Log.v(TAG, "setLastChosenActivity intent=" + intent 3080 + " resolvedType=" + resolvedType 3081 + " flags=" + flags 3082 + " filter=" + filter 3083 + " match=" + match 3084 + " activity=" + activity); 3085 filter.dump(new PrintStreamPrinter(System.out), " "); 3086 } 3087 intent.setComponent(null); 3088 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3089 // Find any earlier preferred or last chosen entries and nuke them 3090 findPreferredActivity(intent, resolvedType, 3091 flags, query, 0, false, true, false, userId); 3092 // Add the new activity as the last chosen for this filter 3093 addPreferredActivityInternal(filter, match, null, activity, false, userId); 3094 } 3095 3096 @Override 3097 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3098 final int userId = UserHandle.getCallingUserId(); 3099 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3100 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3101 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3102 false, false, false, userId); 3103 } 3104 3105 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3106 int flags, List<ResolveInfo> query, int userId) { 3107 if (query != null) { 3108 final int N = query.size(); 3109 if (N == 1) { 3110 return query.get(0); 3111 } else if (N > 1) { 3112 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3113 // If there is more than one activity with the same priority, 3114 // then let the user decide between them. 3115 ResolveInfo r0 = query.get(0); 3116 ResolveInfo r1 = query.get(1); 3117 if (DEBUG_INTENT_MATCHING || debug) { 3118 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3119 + r1.activityInfo.name + "=" + r1.priority); 3120 } 3121 // If the first activity has a higher priority, or a different 3122 // default, then it is always desireable to pick it. 3123 if (r0.priority != r1.priority 3124 || r0.preferredOrder != r1.preferredOrder 3125 || r0.isDefault != r1.isDefault) { 3126 return query.get(0); 3127 } 3128 // If we have saved a preference for a preferred activity for 3129 // this Intent, use that. 3130 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3131 flags, query, r0.priority, true, false, debug, userId); 3132 if (ri != null) { 3133 return ri; 3134 } 3135 if (userId != 0) { 3136 ri = new ResolveInfo(mResolveInfo); 3137 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3138 ri.activityInfo.applicationInfo = new ApplicationInfo( 3139 ri.activityInfo.applicationInfo); 3140 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3141 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3142 return ri; 3143 } 3144 return mResolveInfo; 3145 } 3146 } 3147 return null; 3148 } 3149 3150 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3151 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3152 final int N = query.size(); 3153 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3154 .get(userId); 3155 // Get the list of persistent preferred activities that handle the intent 3156 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3157 List<PersistentPreferredActivity> pprefs = ppir != null 3158 ? ppir.queryIntent(intent, resolvedType, 3159 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3160 : null; 3161 if (pprefs != null && pprefs.size() > 0) { 3162 final int M = pprefs.size(); 3163 for (int i=0; i<M; i++) { 3164 final PersistentPreferredActivity ppa = pprefs.get(i); 3165 if (DEBUG_PREFERRED || debug) { 3166 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3167 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3168 + "\n component=" + ppa.mComponent); 3169 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3170 } 3171 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3172 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3173 if (DEBUG_PREFERRED || debug) { 3174 Slog.v(TAG, "Found persistent preferred activity:"); 3175 if (ai != null) { 3176 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3177 } else { 3178 Slog.v(TAG, " null"); 3179 } 3180 } 3181 if (ai == null) { 3182 // This previously registered persistent preferred activity 3183 // component is no longer known. Ignore it and do NOT remove it. 3184 continue; 3185 } 3186 for (int j=0; j<N; j++) { 3187 final ResolveInfo ri = query.get(j); 3188 if (!ri.activityInfo.applicationInfo.packageName 3189 .equals(ai.applicationInfo.packageName)) { 3190 continue; 3191 } 3192 if (!ri.activityInfo.name.equals(ai.name)) { 3193 continue; 3194 } 3195 // Found a persistent preference that can handle the intent. 3196 if (DEBUG_PREFERRED || debug) { 3197 Slog.v(TAG, "Returning persistent preferred activity: " + 3198 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3199 } 3200 return ri; 3201 } 3202 } 3203 } 3204 return null; 3205 } 3206 3207 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3208 List<ResolveInfo> query, int priority, boolean always, 3209 boolean removeMatches, boolean debug, int userId) { 3210 if (!sUserManager.exists(userId)) return null; 3211 // writer 3212 synchronized (mPackages) { 3213 if (intent.getSelector() != null) { 3214 intent = intent.getSelector(); 3215 } 3216 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3217 3218 // Try to find a matching persistent preferred activity. 3219 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3220 debug, userId); 3221 3222 // If a persistent preferred activity matched, use it. 3223 if (pri != null) { 3224 return pri; 3225 } 3226 3227 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3228 // Get the list of preferred activities that handle the intent 3229 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3230 List<PreferredActivity> prefs = pir != null 3231 ? pir.queryIntent(intent, resolvedType, 3232 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3233 : null; 3234 if (prefs != null && prefs.size() > 0) { 3235 // First figure out how good the original match set is. 3236 // We will only allow preferred activities that came 3237 // from the same match quality. 3238 int match = 0; 3239 3240 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3241 3242 final int N = query.size(); 3243 for (int j=0; j<N; j++) { 3244 final ResolveInfo ri = query.get(j); 3245 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3246 + ": 0x" + Integer.toHexString(match)); 3247 if (ri.match > match) { 3248 match = ri.match; 3249 } 3250 } 3251 3252 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3253 + Integer.toHexString(match)); 3254 3255 match &= IntentFilter.MATCH_CATEGORY_MASK; 3256 final int M = prefs.size(); 3257 for (int i=0; i<M; i++) { 3258 final PreferredActivity pa = prefs.get(i); 3259 if (DEBUG_PREFERRED || debug) { 3260 Slog.v(TAG, "Checking PreferredActivity ds=" 3261 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3262 + "\n component=" + pa.mPref.mComponent); 3263 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3264 } 3265 if (pa.mPref.mMatch != match) { 3266 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3267 + Integer.toHexString(pa.mPref.mMatch)); 3268 continue; 3269 } 3270 // If it's not an "always" type preferred activity and that's what we're 3271 // looking for, skip it. 3272 if (always && !pa.mPref.mAlways) { 3273 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3274 continue; 3275 } 3276 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3277 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3278 if (DEBUG_PREFERRED || debug) { 3279 Slog.v(TAG, "Found preferred activity:"); 3280 if (ai != null) { 3281 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3282 } else { 3283 Slog.v(TAG, " null"); 3284 } 3285 } 3286 if (ai == null) { 3287 // This previously registered preferred activity 3288 // component is no longer known. Most likely an update 3289 // to the app was installed and in the new version this 3290 // component no longer exists. Clean it up by removing 3291 // it from the preferred activities list, and skip it. 3292 Slog.w(TAG, "Removing dangling preferred activity: " 3293 + pa.mPref.mComponent); 3294 pir.removeFilter(pa); 3295 continue; 3296 } 3297 for (int j=0; j<N; j++) { 3298 final ResolveInfo ri = query.get(j); 3299 if (!ri.activityInfo.applicationInfo.packageName 3300 .equals(ai.applicationInfo.packageName)) { 3301 continue; 3302 } 3303 if (!ri.activityInfo.name.equals(ai.name)) { 3304 continue; 3305 } 3306 3307 if (removeMatches) { 3308 pir.removeFilter(pa); 3309 if (DEBUG_PREFERRED) { 3310 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3311 } 3312 break; 3313 } 3314 3315 // Okay we found a previously set preferred or last chosen app. 3316 // If the result set is different from when this 3317 // was created, we need to clear it and re-ask the 3318 // user their preference, if we're looking for an "always" type entry. 3319 if (always && !pa.mPref.sameSet(query, priority)) { 3320 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3321 + intent + " type " + resolvedType); 3322 if (DEBUG_PREFERRED) { 3323 Slog.v(TAG, "Removing preferred activity since set changed " 3324 + pa.mPref.mComponent); 3325 } 3326 pir.removeFilter(pa); 3327 // Re-add the filter as a "last chosen" entry (!always) 3328 PreferredActivity lastChosen = new PreferredActivity( 3329 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3330 pir.addFilter(lastChosen); 3331 mSettings.writePackageRestrictionsLPr(userId); 3332 return null; 3333 } 3334 3335 // Yay! Either the set matched or we're looking for the last chosen 3336 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3337 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3338 mSettings.writePackageRestrictionsLPr(userId); 3339 return ri; 3340 } 3341 } 3342 } 3343 mSettings.writePackageRestrictionsLPr(userId); 3344 } 3345 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3346 return null; 3347 } 3348 3349 /* 3350 * Returns if intent can be forwarded from the userId from to dest 3351 */ 3352 @Override 3353 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3354 int targetUserId) { 3355 mContext.enforceCallingOrSelfPermission( 3356 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3357 List<CrossProfileIntentFilter> matches = 3358 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3359 if (matches != null) { 3360 int size = matches.size(); 3361 for (int i = 0; i < size; i++) { 3362 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3363 } 3364 } 3365 return false; 3366 } 3367 3368 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3369 String resolvedType, int userId) { 3370 CrossProfileIntentResolver cpir = mSettings.mCrossProfileIntentResolvers.get(userId); 3371 if (cpir != null) { 3372 return cpir.queryIntent(intent, resolvedType, false, userId); 3373 } 3374 return null; 3375 } 3376 3377 @Override 3378 public List<ResolveInfo> queryIntentActivities(Intent intent, 3379 String resolvedType, int flags, int userId) { 3380 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3381 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3382 ComponentName comp = intent.getComponent(); 3383 if (comp == null) { 3384 if (intent.getSelector() != null) { 3385 intent = intent.getSelector(); 3386 comp = intent.getComponent(); 3387 } 3388 } 3389 3390 if (comp != null) { 3391 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3392 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3393 if (ai != null) { 3394 final ResolveInfo ri = new ResolveInfo(); 3395 ri.activityInfo = ai; 3396 list.add(ri); 3397 } 3398 return list; 3399 } 3400 3401 // reader 3402 synchronized (mPackages) { 3403 final String pkgName = intent.getPackage(); 3404 if (pkgName == null) { 3405 List<ResolveInfo> result = 3406 mActivities.queryIntent(intent, resolvedType, flags, userId); 3407 // Checking if we can forward the intent to another user 3408 List<CrossProfileIntentFilter> cpifs = 3409 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3410 if (cpifs != null) { 3411 CrossProfileIntentFilter crossProfileIntentFilterWithResult = null; 3412 HashSet<Integer> alreadyTriedUserIds = new HashSet<Integer>(); 3413 for (CrossProfileIntentFilter cpif : cpifs) { 3414 int targetUserId = cpif.getTargetUserId(); 3415 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3416 // match the same an intent. For performance reasons, it is better not to 3417 // run queryIntent twice for the same userId 3418 if (!alreadyTriedUserIds.contains(targetUserId)) { 3419 List<ResolveInfo> resultUser = mActivities.queryIntent(intent, 3420 resolvedType, flags, targetUserId); 3421 if (resultUser != null) { 3422 crossProfileIntentFilterWithResult = cpif; 3423 // As soon as there is a match in another user, we add the 3424 // intentForwarderActivity to the list of ResolveInfo. 3425 break; 3426 } 3427 alreadyTriedUserIds.add(targetUserId); 3428 } 3429 } 3430 if (crossProfileIntentFilterWithResult != null) { 3431 ResolveInfo forwardingResolveInfo = createForwardingResolveInfo( 3432 crossProfileIntentFilterWithResult, userId); 3433 result.add(forwardingResolveInfo); 3434 } 3435 } 3436 return result; 3437 } 3438 final PackageParser.Package pkg = mPackages.get(pkgName); 3439 if (pkg != null) { 3440 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3441 pkg.activities, userId); 3442 } 3443 return new ArrayList<ResolveInfo>(); 3444 } 3445 } 3446 3447 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter cpif, 3448 int sourceUserId) { 3449 String className; 3450 int targetUserId = cpif.getTargetUserId(); 3451 if (targetUserId == UserHandle.USER_OWNER) { 3452 className = FORWARD_INTENT_TO_USER_OWNER; 3453 } else { 3454 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3455 } 3456 ComponentName forwardingActivityComponentName = new ComponentName( 3457 mAndroidApplication.packageName, className); 3458 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3459 sourceUserId); 3460 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3461 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3462 forwardingResolveInfo.priority = 0; 3463 forwardingResolveInfo.preferredOrder = 0; 3464 forwardingResolveInfo.match = 0; 3465 forwardingResolveInfo.isDefault = true; 3466 forwardingResolveInfo.filter = cpif; 3467 return forwardingResolveInfo; 3468 } 3469 3470 @Override 3471 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3472 Intent[] specifics, String[] specificTypes, Intent intent, 3473 String resolvedType, int flags, int userId) { 3474 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3475 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3476 "query intent activity options"); 3477 final String resultsAction = intent.getAction(); 3478 3479 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3480 | PackageManager.GET_RESOLVED_FILTER, userId); 3481 3482 if (DEBUG_INTENT_MATCHING) { 3483 Log.v(TAG, "Query " + intent + ": " + results); 3484 } 3485 3486 int specificsPos = 0; 3487 int N; 3488 3489 // todo: note that the algorithm used here is O(N^2). This 3490 // isn't a problem in our current environment, but if we start running 3491 // into situations where we have more than 5 or 10 matches then this 3492 // should probably be changed to something smarter... 3493 3494 // First we go through and resolve each of the specific items 3495 // that were supplied, taking care of removing any corresponding 3496 // duplicate items in the generic resolve list. 3497 if (specifics != null) { 3498 for (int i=0; i<specifics.length; i++) { 3499 final Intent sintent = specifics[i]; 3500 if (sintent == null) { 3501 continue; 3502 } 3503 3504 if (DEBUG_INTENT_MATCHING) { 3505 Log.v(TAG, "Specific #" + i + ": " + sintent); 3506 } 3507 3508 String action = sintent.getAction(); 3509 if (resultsAction != null && resultsAction.equals(action)) { 3510 // If this action was explicitly requested, then don't 3511 // remove things that have it. 3512 action = null; 3513 } 3514 3515 ResolveInfo ri = null; 3516 ActivityInfo ai = null; 3517 3518 ComponentName comp = sintent.getComponent(); 3519 if (comp == null) { 3520 ri = resolveIntent( 3521 sintent, 3522 specificTypes != null ? specificTypes[i] : null, 3523 flags, userId); 3524 if (ri == null) { 3525 continue; 3526 } 3527 if (ri == mResolveInfo) { 3528 // ACK! Must do something better with this. 3529 } 3530 ai = ri.activityInfo; 3531 comp = new ComponentName(ai.applicationInfo.packageName, 3532 ai.name); 3533 } else { 3534 ai = getActivityInfo(comp, flags, userId); 3535 if (ai == null) { 3536 continue; 3537 } 3538 } 3539 3540 // Look for any generic query activities that are duplicates 3541 // of this specific one, and remove them from the results. 3542 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3543 N = results.size(); 3544 int j; 3545 for (j=specificsPos; j<N; j++) { 3546 ResolveInfo sri = results.get(j); 3547 if ((sri.activityInfo.name.equals(comp.getClassName()) 3548 && sri.activityInfo.applicationInfo.packageName.equals( 3549 comp.getPackageName())) 3550 || (action != null && sri.filter.matchAction(action))) { 3551 results.remove(j); 3552 if (DEBUG_INTENT_MATCHING) Log.v( 3553 TAG, "Removing duplicate item from " + j 3554 + " due to specific " + specificsPos); 3555 if (ri == null) { 3556 ri = sri; 3557 } 3558 j--; 3559 N--; 3560 } 3561 } 3562 3563 // Add this specific item to its proper place. 3564 if (ri == null) { 3565 ri = new ResolveInfo(); 3566 ri.activityInfo = ai; 3567 } 3568 results.add(specificsPos, ri); 3569 ri.specificIndex = i; 3570 specificsPos++; 3571 } 3572 } 3573 3574 // Now we go through the remaining generic results and remove any 3575 // duplicate actions that are found here. 3576 N = results.size(); 3577 for (int i=specificsPos; i<N-1; i++) { 3578 final ResolveInfo rii = results.get(i); 3579 if (rii.filter == null) { 3580 continue; 3581 } 3582 3583 // Iterate over all of the actions of this result's intent 3584 // filter... typically this should be just one. 3585 final Iterator<String> it = rii.filter.actionsIterator(); 3586 if (it == null) { 3587 continue; 3588 } 3589 while (it.hasNext()) { 3590 final String action = it.next(); 3591 if (resultsAction != null && resultsAction.equals(action)) { 3592 // If this action was explicitly requested, then don't 3593 // remove things that have it. 3594 continue; 3595 } 3596 for (int j=i+1; j<N; j++) { 3597 final ResolveInfo rij = results.get(j); 3598 if (rij.filter != null && rij.filter.hasAction(action)) { 3599 results.remove(j); 3600 if (DEBUG_INTENT_MATCHING) Log.v( 3601 TAG, "Removing duplicate item from " + j 3602 + " due to action " + action + " at " + i); 3603 j--; 3604 N--; 3605 } 3606 } 3607 } 3608 3609 // If the caller didn't request filter information, drop it now 3610 // so we don't have to marshall/unmarshall it. 3611 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3612 rii.filter = null; 3613 } 3614 } 3615 3616 // Filter out the caller activity if so requested. 3617 if (caller != null) { 3618 N = results.size(); 3619 for (int i=0; i<N; i++) { 3620 ActivityInfo ainfo = results.get(i).activityInfo; 3621 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3622 && caller.getClassName().equals(ainfo.name)) { 3623 results.remove(i); 3624 break; 3625 } 3626 } 3627 } 3628 3629 // If the caller didn't request filter information, 3630 // drop them now so we don't have to 3631 // marshall/unmarshall it. 3632 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3633 N = results.size(); 3634 for (int i=0; i<N; i++) { 3635 results.get(i).filter = null; 3636 } 3637 } 3638 3639 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3640 return results; 3641 } 3642 3643 @Override 3644 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3645 int userId) { 3646 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3647 ComponentName comp = intent.getComponent(); 3648 if (comp == null) { 3649 if (intent.getSelector() != null) { 3650 intent = intent.getSelector(); 3651 comp = intent.getComponent(); 3652 } 3653 } 3654 if (comp != null) { 3655 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3656 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3657 if (ai != null) { 3658 ResolveInfo ri = new ResolveInfo(); 3659 ri.activityInfo = ai; 3660 list.add(ri); 3661 } 3662 return list; 3663 } 3664 3665 // reader 3666 synchronized (mPackages) { 3667 String pkgName = intent.getPackage(); 3668 if (pkgName == null) { 3669 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3670 } 3671 final PackageParser.Package pkg = mPackages.get(pkgName); 3672 if (pkg != null) { 3673 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3674 userId); 3675 } 3676 return null; 3677 } 3678 } 3679 3680 @Override 3681 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3682 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3683 if (!sUserManager.exists(userId)) return null; 3684 if (query != null) { 3685 if (query.size() >= 1) { 3686 // If there is more than one service with the same priority, 3687 // just arbitrarily pick the first one. 3688 return query.get(0); 3689 } 3690 } 3691 return null; 3692 } 3693 3694 @Override 3695 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3696 int userId) { 3697 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3698 ComponentName comp = intent.getComponent(); 3699 if (comp == null) { 3700 if (intent.getSelector() != null) { 3701 intent = intent.getSelector(); 3702 comp = intent.getComponent(); 3703 } 3704 } 3705 if (comp != null) { 3706 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3707 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3708 if (si != null) { 3709 final ResolveInfo ri = new ResolveInfo(); 3710 ri.serviceInfo = si; 3711 list.add(ri); 3712 } 3713 return list; 3714 } 3715 3716 // reader 3717 synchronized (mPackages) { 3718 String pkgName = intent.getPackage(); 3719 if (pkgName == null) { 3720 return mServices.queryIntent(intent, resolvedType, flags, userId); 3721 } 3722 final PackageParser.Package pkg = mPackages.get(pkgName); 3723 if (pkg != null) { 3724 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3725 userId); 3726 } 3727 return null; 3728 } 3729 } 3730 3731 @Override 3732 public List<ResolveInfo> queryIntentContentProviders( 3733 Intent intent, String resolvedType, int flags, int userId) { 3734 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3735 ComponentName comp = intent.getComponent(); 3736 if (comp == null) { 3737 if (intent.getSelector() != null) { 3738 intent = intent.getSelector(); 3739 comp = intent.getComponent(); 3740 } 3741 } 3742 if (comp != null) { 3743 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3744 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3745 if (pi != null) { 3746 final ResolveInfo ri = new ResolveInfo(); 3747 ri.providerInfo = pi; 3748 list.add(ri); 3749 } 3750 return list; 3751 } 3752 3753 // reader 3754 synchronized (mPackages) { 3755 String pkgName = intent.getPackage(); 3756 if (pkgName == null) { 3757 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3758 } 3759 final PackageParser.Package pkg = mPackages.get(pkgName); 3760 if (pkg != null) { 3761 return mProviders.queryIntentForPackage( 3762 intent, resolvedType, flags, pkg.providers, userId); 3763 } 3764 return null; 3765 } 3766 } 3767 3768 @Override 3769 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3770 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3771 3772 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3773 3774 // writer 3775 synchronized (mPackages) { 3776 ArrayList<PackageInfo> list; 3777 if (listUninstalled) { 3778 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3779 for (PackageSetting ps : mSettings.mPackages.values()) { 3780 PackageInfo pi; 3781 if (ps.pkg != null) { 3782 pi = generatePackageInfo(ps.pkg, flags, userId); 3783 } else { 3784 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3785 } 3786 if (pi != null) { 3787 list.add(pi); 3788 } 3789 } 3790 } else { 3791 list = new ArrayList<PackageInfo>(mPackages.size()); 3792 for (PackageParser.Package p : mPackages.values()) { 3793 PackageInfo pi = generatePackageInfo(p, flags, userId); 3794 if (pi != null) { 3795 list.add(pi); 3796 } 3797 } 3798 } 3799 3800 return new ParceledListSlice<PackageInfo>(list); 3801 } 3802 } 3803 3804 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3805 String[] permissions, boolean[] tmp, int flags, int userId) { 3806 int numMatch = 0; 3807 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3808 for (int i=0; i<permissions.length; i++) { 3809 if (gp.grantedPermissions.contains(permissions[i])) { 3810 tmp[i] = true; 3811 numMatch++; 3812 } else { 3813 tmp[i] = false; 3814 } 3815 } 3816 if (numMatch == 0) { 3817 return; 3818 } 3819 PackageInfo pi; 3820 if (ps.pkg != null) { 3821 pi = generatePackageInfo(ps.pkg, flags, userId); 3822 } else { 3823 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3824 } 3825 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3826 if (numMatch == permissions.length) { 3827 pi.requestedPermissions = permissions; 3828 } else { 3829 pi.requestedPermissions = new String[numMatch]; 3830 numMatch = 0; 3831 for (int i=0; i<permissions.length; i++) { 3832 if (tmp[i]) { 3833 pi.requestedPermissions[numMatch] = permissions[i]; 3834 numMatch++; 3835 } 3836 } 3837 } 3838 } 3839 list.add(pi); 3840 } 3841 3842 @Override 3843 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3844 String[] permissions, int flags, int userId) { 3845 if (!sUserManager.exists(userId)) return null; 3846 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3847 3848 // writer 3849 synchronized (mPackages) { 3850 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3851 boolean[] tmpBools = new boolean[permissions.length]; 3852 if (listUninstalled) { 3853 for (PackageSetting ps : mSettings.mPackages.values()) { 3854 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3855 } 3856 } else { 3857 for (PackageParser.Package pkg : mPackages.values()) { 3858 PackageSetting ps = (PackageSetting)pkg.mExtras; 3859 if (ps != null) { 3860 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3861 userId); 3862 } 3863 } 3864 } 3865 3866 return new ParceledListSlice<PackageInfo>(list); 3867 } 3868 } 3869 3870 @Override 3871 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3872 if (!sUserManager.exists(userId)) return null; 3873 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3874 3875 // writer 3876 synchronized (mPackages) { 3877 ArrayList<ApplicationInfo> list; 3878 if (listUninstalled) { 3879 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3880 for (PackageSetting ps : mSettings.mPackages.values()) { 3881 ApplicationInfo ai; 3882 if (ps.pkg != null) { 3883 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3884 ps.readUserState(userId), userId); 3885 } else { 3886 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3887 } 3888 if (ai != null) { 3889 list.add(ai); 3890 } 3891 } 3892 } else { 3893 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3894 for (PackageParser.Package p : mPackages.values()) { 3895 if (p.mExtras != null) { 3896 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3897 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3898 if (ai != null) { 3899 list.add(ai); 3900 } 3901 } 3902 } 3903 } 3904 3905 return new ParceledListSlice<ApplicationInfo>(list); 3906 } 3907 } 3908 3909 public List<ApplicationInfo> getPersistentApplications(int flags) { 3910 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3911 3912 // reader 3913 synchronized (mPackages) { 3914 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3915 final int userId = UserHandle.getCallingUserId(); 3916 while (i.hasNext()) { 3917 final PackageParser.Package p = i.next(); 3918 if (p.applicationInfo != null 3919 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3920 && (!mSafeMode || isSystemApp(p))) { 3921 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3922 if (ps != null) { 3923 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3924 ps.readUserState(userId), userId); 3925 if (ai != null) { 3926 finalList.add(ai); 3927 } 3928 } 3929 } 3930 } 3931 } 3932 3933 return finalList; 3934 } 3935 3936 @Override 3937 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3938 if (!sUserManager.exists(userId)) return null; 3939 // reader 3940 synchronized (mPackages) { 3941 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3942 PackageSetting ps = provider != null 3943 ? mSettings.mPackages.get(provider.owner.packageName) 3944 : null; 3945 return ps != null 3946 && mSettings.isEnabledLPr(provider.info, flags, userId) 3947 && (!mSafeMode || (provider.info.applicationInfo.flags 3948 &ApplicationInfo.FLAG_SYSTEM) != 0) 3949 ? PackageParser.generateProviderInfo(provider, flags, 3950 ps.readUserState(userId), userId) 3951 : null; 3952 } 3953 } 3954 3955 /** 3956 * @deprecated 3957 */ 3958 @Deprecated 3959 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3960 // reader 3961 synchronized (mPackages) { 3962 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3963 .entrySet().iterator(); 3964 final int userId = UserHandle.getCallingUserId(); 3965 while (i.hasNext()) { 3966 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3967 PackageParser.Provider p = entry.getValue(); 3968 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3969 3970 if (ps != null && p.syncable 3971 && (!mSafeMode || (p.info.applicationInfo.flags 3972 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3973 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3974 ps.readUserState(userId), userId); 3975 if (info != null) { 3976 outNames.add(entry.getKey()); 3977 outInfo.add(info); 3978 } 3979 } 3980 } 3981 } 3982 } 3983 3984 @Override 3985 public List<ProviderInfo> queryContentProviders(String processName, 3986 int uid, int flags) { 3987 ArrayList<ProviderInfo> finalList = null; 3988 // reader 3989 synchronized (mPackages) { 3990 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3991 final int userId = processName != null ? 3992 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3993 while (i.hasNext()) { 3994 final PackageParser.Provider p = i.next(); 3995 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3996 if (ps != null && p.info.authority != null 3997 && (processName == null 3998 || (p.info.processName.equals(processName) 3999 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4000 && mSettings.isEnabledLPr(p.info, flags, userId) 4001 && (!mSafeMode 4002 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4003 if (finalList == null) { 4004 finalList = new ArrayList<ProviderInfo>(3); 4005 } 4006 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4007 ps.readUserState(userId), userId); 4008 if (info != null) { 4009 finalList.add(info); 4010 } 4011 } 4012 } 4013 } 4014 4015 if (finalList != null) { 4016 Collections.sort(finalList, mProviderInitOrderSorter); 4017 } 4018 4019 return finalList; 4020 } 4021 4022 @Override 4023 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4024 int flags) { 4025 // reader 4026 synchronized (mPackages) { 4027 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4028 return PackageParser.generateInstrumentationInfo(i, flags); 4029 } 4030 } 4031 4032 @Override 4033 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4034 int flags) { 4035 ArrayList<InstrumentationInfo> finalList = 4036 new ArrayList<InstrumentationInfo>(); 4037 4038 // reader 4039 synchronized (mPackages) { 4040 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4041 while (i.hasNext()) { 4042 final PackageParser.Instrumentation p = i.next(); 4043 if (targetPackage == null 4044 || targetPackage.equals(p.info.targetPackage)) { 4045 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4046 flags); 4047 if (ii != null) { 4048 finalList.add(ii); 4049 } 4050 } 4051 } 4052 } 4053 4054 return finalList; 4055 } 4056 4057 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4058 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4059 if (overlays == null) { 4060 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4061 return; 4062 } 4063 for (PackageParser.Package opkg : overlays.values()) { 4064 // Not much to do if idmap fails: we already logged the error 4065 // and we certainly don't want to abort installation of pkg simply 4066 // because an overlay didn't fit properly. For these reasons, 4067 // ignore the return value of createIdmapForPackagePairLI. 4068 createIdmapForPackagePairLI(pkg, opkg); 4069 } 4070 } 4071 4072 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4073 PackageParser.Package opkg) { 4074 if (!opkg.mTrustedOverlay) { 4075 Slog.w(TAG, "Skipping target and overlay pair " + pkg.codePath + " and " + 4076 opkg.codePath + ": overlay not trusted"); 4077 return false; 4078 } 4079 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4080 if (overlaySet == null) { 4081 Slog.e(TAG, "was about to create idmap for " + pkg.codePath + " and " + 4082 opkg.codePath + " but target package has no known overlays"); 4083 return false; 4084 } 4085 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4086 // TODO: generate idmap for split APKs 4087 if (mInstaller.idmap(pkg.codePath, opkg.codePath, sharedGid) != 0) { 4088 Slog.e(TAG, "Failed to generate idmap for " + pkg.codePath + " and " + opkg.codePath); 4089 return false; 4090 } 4091 PackageParser.Package[] overlayArray = 4092 overlaySet.values().toArray(new PackageParser.Package[0]); 4093 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4094 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4095 return p1.mOverlayPriority - p2.mOverlayPriority; 4096 } 4097 }; 4098 Arrays.sort(overlayArray, cmp); 4099 4100 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4101 int i = 0; 4102 for (PackageParser.Package p : overlayArray) { 4103 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 4104 } 4105 return true; 4106 } 4107 4108 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4109 String[] files = dir.list(); 4110 if (files == null) { 4111 Log.d(TAG, "No files in app dir " + dir); 4112 return; 4113 } 4114 4115 if (DEBUG_PACKAGE_SCANNING) { 4116 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4117 + " flags=0x" + Integer.toHexString(flags)); 4118 } 4119 4120 int i; 4121 for (i=0; i<files.length; i++) { 4122 File file = new File(dir, files[i]); 4123 if (!isPackageFilename(files[i])) { 4124 // Ignore entries which are not apk's 4125 continue; 4126 } 4127 PackageParser.Package pkg = scanPackageLI(file, 4128 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null, null); 4129 // Don't mess around with apps in system partition. 4130 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4131 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 4132 // Delete the apk 4133 Slog.w(TAG, "Cleaning up failed install of " + file); 4134 file.delete(); 4135 } 4136 } 4137 } 4138 4139 private static File getSettingsProblemFile() { 4140 File dataDir = Environment.getDataDirectory(); 4141 File systemDir = new File(dataDir, "system"); 4142 File fname = new File(systemDir, "uiderrors.txt"); 4143 return fname; 4144 } 4145 4146 static void reportSettingsProblem(int priority, String msg) { 4147 try { 4148 File fname = getSettingsProblemFile(); 4149 FileOutputStream out = new FileOutputStream(fname, true); 4150 PrintWriter pw = new FastPrintWriter(out); 4151 SimpleDateFormat formatter = new SimpleDateFormat(); 4152 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4153 pw.println(dateString + ": " + msg); 4154 pw.close(); 4155 FileUtils.setPermissions( 4156 fname.toString(), 4157 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4158 -1, -1); 4159 } catch (java.io.IOException e) { 4160 } 4161 Slog.println(priority, TAG, msg); 4162 } 4163 4164 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 4165 PackageParser.Package pkg, File srcFile, int parseFlags) { 4166 if (ps != null 4167 && ps.codePath.equals(srcFile) 4168 && ps.timeStamp == srcFile.lastModified() 4169 && !isCompatSignatureUpdateNeeded(pkg)) { 4170 if (ps.signatures.mSignatures != null 4171 && ps.signatures.mSignatures.length != 0) { 4172 // Optimization: reuse the existing cached certificates 4173 // if the package appears to be unchanged. 4174 pkg.mSignatures = ps.signatures.mSignatures; 4175 return true; 4176 } 4177 4178 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4179 } else { 4180 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4181 } 4182 4183 try { 4184 pp.collectCertificates(pkg, parseFlags); 4185 } catch (PackageParserException e) { 4186 mLastScanError = e.error; 4187 return false; 4188 } 4189 return true; 4190 } 4191 4192 /* 4193 * Scan a package and return the newly parsed package. 4194 * Returns null in case of errors and the error code is stored in mLastScanError 4195 */ 4196 private PackageParser.Package scanPackageLI(File scanFile, 4197 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4198 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4199 String scanPath = scanFile.getPath(); 4200 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4201 parseFlags |= mDefParseFlags; 4202 PackageParser pp = new PackageParser(); 4203 pp.setSeparateProcesses(mSeparateProcesses); 4204 pp.setOnlyCoreApps(mOnlyCore); 4205 pp.setDisplayMetrics(mMetrics); 4206 4207 if ((scanMode & SCAN_TRUSTED_OVERLAY) != 0) { 4208 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4209 } 4210 4211 final PackageParser.Package pkg; 4212 try { 4213 pkg = pp.parseMonolithicPackage(scanFile, parseFlags); 4214 } catch (PackageParserException e) { 4215 mLastScanError = e.error; 4216 return null; 4217 } 4218 4219 PackageSetting ps = null; 4220 PackageSetting updatedPkg; 4221 // reader 4222 synchronized (mPackages) { 4223 // Look to see if we already know about this package. 4224 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4225 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4226 // This package has been renamed to its original name. Let's 4227 // use that. 4228 ps = mSettings.peekPackageLPr(oldName); 4229 } 4230 // If there was no original package, see one for the real package name. 4231 if (ps == null) { 4232 ps = mSettings.peekPackageLPr(pkg.packageName); 4233 } 4234 // Check to see if this package could be hiding/updating a system 4235 // package. Must look for it either under the original or real 4236 // package name depending on our state. 4237 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4238 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4239 } 4240 boolean updatedPkgBetter = false; 4241 // First check if this is a system package that may involve an update 4242 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4243 if (ps != null && !ps.codePath.equals(scanFile)) { 4244 // The path has changed from what was last scanned... check the 4245 // version of the new path against what we have stored to determine 4246 // what to do. 4247 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4248 if (pkg.mVersionCode < ps.versionCode) { 4249 // The system package has been updated and the code path does not match 4250 // Ignore entry. Skip it. 4251 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4252 + " ignored: updated version " + ps.versionCode 4253 + " better than this " + pkg.mVersionCode); 4254 if (!updatedPkg.codePath.equals(scanFile)) { 4255 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4256 + ps.name + " changing from " + updatedPkg.codePathString 4257 + " to " + scanFile); 4258 updatedPkg.codePath = scanFile; 4259 updatedPkg.codePathString = scanFile.toString(); 4260 // This is the point at which we know that the system-disk APK 4261 // for this package has moved during a reboot (e.g. due to an OTA), 4262 // so we need to reevaluate it for privilege policy. 4263 if (locationIsPrivileged(scanFile)) { 4264 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4265 } 4266 } 4267 updatedPkg.pkg = pkg; 4268 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4269 return null; 4270 } else { 4271 // The current app on the system partition is better than 4272 // what we have updated to on the data partition; switch 4273 // back to the system partition version. 4274 // At this point, its safely assumed that package installation for 4275 // apps in system partition will go through. If not there won't be a working 4276 // version of the app 4277 // writer 4278 synchronized (mPackages) { 4279 // Just remove the loaded entries from package lists. 4280 mPackages.remove(ps.name); 4281 } 4282 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4283 + "reverting from " + ps.codePathString 4284 + ": new version " + pkg.mVersionCode 4285 + " better than installed " + ps.versionCode); 4286 4287 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4288 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4289 getAppInstructionSetFromSettings(ps)); 4290 synchronized (mInstallLock) { 4291 args.cleanUpResourcesLI(); 4292 } 4293 synchronized (mPackages) { 4294 mSettings.enableSystemPackageLPw(ps.name); 4295 } 4296 updatedPkgBetter = true; 4297 } 4298 } 4299 } 4300 4301 if (updatedPkg != null) { 4302 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4303 // initially 4304 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4305 4306 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4307 // flag set initially 4308 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4309 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4310 } 4311 } 4312 // Verify certificates against what was last scanned 4313 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4314 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4315 return null; 4316 } 4317 4318 /* 4319 * A new system app appeared, but we already had a non-system one of the 4320 * same name installed earlier. 4321 */ 4322 boolean shouldHideSystemApp = false; 4323 if (updatedPkg == null && ps != null 4324 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4325 /* 4326 * Check to make sure the signatures match first. If they don't, 4327 * wipe the installed application and its data. 4328 */ 4329 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4330 != PackageManager.SIGNATURE_MATCH) { 4331 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4332 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4333 ps = null; 4334 } else { 4335 /* 4336 * If the newly-added system app is an older version than the 4337 * already installed version, hide it. It will be scanned later 4338 * and re-added like an update. 4339 */ 4340 if (pkg.mVersionCode < ps.versionCode) { 4341 shouldHideSystemApp = true; 4342 } else { 4343 /* 4344 * The newly found system app is a newer version that the 4345 * one previously installed. Simply remove the 4346 * already-installed application and replace it with our own 4347 * while keeping the application data. 4348 */ 4349 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4350 + ps.codePathString + ": new version " + pkg.mVersionCode 4351 + " better than installed " + ps.versionCode); 4352 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4353 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4354 getAppInstructionSetFromSettings(ps)); 4355 synchronized (mInstallLock) { 4356 args.cleanUpResourcesLI(); 4357 } 4358 } 4359 } 4360 } 4361 4362 // The apk is forward locked (not public) if its code and resources 4363 // are kept in different files. (except for app in either system or 4364 // vendor path). 4365 // TODO grab this value from PackageSettings 4366 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4367 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4368 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4369 } 4370 } 4371 4372 final String codePath = pkg.codePath; 4373 final String[] splitCodePaths = pkg.splitCodePaths; 4374 4375 String resPath = null; 4376 String[] splitResPaths = null; 4377 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4378 if (ps != null && ps.resourcePathString != null) { 4379 resPath = ps.resourcePathString; 4380 splitResPaths = deriveSplitResPaths(pkg.splitCodePaths); 4381 } else { 4382 // Should not happen at all. Just log an error. 4383 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4384 } 4385 } else { 4386 resPath = pkg.codePath; 4387 splitResPaths = pkg.splitCodePaths; 4388 } 4389 4390 // Set application objects path explicitly. 4391 pkg.applicationInfo.sourceDir = codePath; 4392 pkg.applicationInfo.publicSourceDir = resPath; 4393 pkg.applicationInfo.splitSourceDirs = splitCodePaths; 4394 pkg.applicationInfo.splitPublicSourceDirs = splitResPaths; 4395 4396 // Note that we invoke the following method only if we are about to unpack an application 4397 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4398 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4399 4400 /* 4401 * If the system app should be overridden by a previously installed 4402 * data, hide the system app now and let the /data/app scan pick it up 4403 * again. 4404 */ 4405 if (shouldHideSystemApp) { 4406 synchronized (mPackages) { 4407 /* 4408 * We have to grant systems permissions before we hide, because 4409 * grantPermissions will assume the package update is trying to 4410 * expand its permissions. 4411 */ 4412 grantPermissionsLPw(pkg, true); 4413 mSettings.disableSystemPackageLPw(pkg.packageName); 4414 } 4415 } 4416 4417 return scannedPkg; 4418 } 4419 4420 private static String fixProcessName(String defProcessName, 4421 String processName, int uid) { 4422 if (processName == null) { 4423 return defProcessName; 4424 } 4425 return processName; 4426 } 4427 4428 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4429 if (pkgSetting.signatures.mSignatures != null) { 4430 // Already existing package. Make sure signatures match 4431 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4432 == PackageManager.SIGNATURE_MATCH; 4433 if (!match) { 4434 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4435 == PackageManager.SIGNATURE_MATCH; 4436 } 4437 if (!match) { 4438 Slog.e(TAG, "Package " + pkg.packageName 4439 + " signatures do not match the previously installed version; ignoring!"); 4440 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4441 return false; 4442 } 4443 } 4444 // Check for shared user signatures 4445 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4446 // Already existing package. Make sure signatures match 4447 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4448 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4449 if (!match) { 4450 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4451 == PackageManager.SIGNATURE_MATCH; 4452 } 4453 if (!match) { 4454 Slog.e(TAG, "Package " + pkg.packageName 4455 + " has no signatures that match those in shared user " 4456 + pkgSetting.sharedUser.name + "; ignoring!"); 4457 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4458 return false; 4459 } 4460 } 4461 return true; 4462 } 4463 4464 /** 4465 * Enforces that only the system UID or root's UID can call a method exposed 4466 * via Binder. 4467 * 4468 * @param message used as message if SecurityException is thrown 4469 * @throws SecurityException if the caller is not system or root 4470 */ 4471 private static final void enforceSystemOrRoot(String message) { 4472 final int uid = Binder.getCallingUid(); 4473 if (uid != Process.SYSTEM_UID && uid != 0) { 4474 throw new SecurityException(message); 4475 } 4476 } 4477 4478 @Override 4479 public void performBootDexOpt() { 4480 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4481 4482 final HashSet<PackageParser.Package> pkgs; 4483 synchronized (mPackages) { 4484 pkgs = mDeferredDexOpt; 4485 mDeferredDexOpt = null; 4486 } 4487 4488 if (pkgs != null) { 4489 // Filter out packages that aren't recently used. 4490 // 4491 // The exception is first boot of a non-eng device, which 4492 // should do a full dexopt. 4493 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4494 if (eng || !isFirstBoot()) { 4495 // TODO: add a property to control this? 4496 long dexOptLRUThresholdInMinutes; 4497 if (eng) { 4498 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4499 } else { 4500 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4501 } 4502 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4503 4504 int total = pkgs.size(); 4505 int skipped = 0; 4506 long now = System.currentTimeMillis(); 4507 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4508 PackageParser.Package pkg = i.next(); 4509 long then = pkg.mLastPackageUsageTimeInMills; 4510 if (then + dexOptLRUThresholdInMills < now) { 4511 if (DEBUG_DEXOPT) { 4512 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4513 ((then == 0) ? "never" : new Date(then))); 4514 } 4515 i.remove(); 4516 skipped++; 4517 } 4518 } 4519 if (DEBUG_DEXOPT) { 4520 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4521 } 4522 } 4523 4524 int i = 0; 4525 for (PackageParser.Package pkg : pkgs) { 4526 i++; 4527 if (DEBUG_DEXOPT) { 4528 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4529 + ": " + pkg.packageName); 4530 } 4531 if (!isFirstBoot()) { 4532 try { 4533 ActivityManagerNative.getDefault().showBootMessage( 4534 mContext.getResources().getString( 4535 R.string.android_upgrading_apk, 4536 i, pkgs.size()), true); 4537 } catch (RemoteException e) { 4538 } 4539 } 4540 PackageParser.Package p = pkg; 4541 synchronized (mInstallLock) { 4542 if (p.mDexOptNeeded) { 4543 performDexOptLI(p, false /* force dex */, false /* defer */, 4544 true /* include dependencies */); 4545 } 4546 } 4547 } 4548 } 4549 } 4550 4551 @Override 4552 public boolean performDexOpt(String packageName) { 4553 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4554 return performDexOpt(packageName, true); 4555 } 4556 4557 public boolean performDexOpt(String packageName, boolean updateUsage) { 4558 4559 PackageParser.Package p; 4560 synchronized (mPackages) { 4561 p = mPackages.get(packageName); 4562 if (p == null) { 4563 return false; 4564 } 4565 if (updateUsage) { 4566 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4567 } 4568 mPackageUsage.write(false); 4569 if (!p.mDexOptNeeded) { 4570 return false; 4571 } 4572 } 4573 4574 synchronized (mInstallLock) { 4575 return performDexOptLI(p, false /* force dex */, false /* defer */, 4576 true /* include dependencies */) == DEX_OPT_PERFORMED; 4577 } 4578 } 4579 4580 public HashSet<String> getPackagesThatNeedDexOpt() { 4581 HashSet<String> pkgs = null; 4582 synchronized (mPackages) { 4583 for (PackageParser.Package p : mPackages.values()) { 4584 if (DEBUG_DEXOPT) { 4585 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4586 } 4587 if (!p.mDexOptNeeded) { 4588 continue; 4589 } 4590 if (pkgs == null) { 4591 pkgs = new HashSet<String>(); 4592 } 4593 pkgs.add(p.packageName); 4594 } 4595 } 4596 return pkgs; 4597 } 4598 4599 public void shutdown() { 4600 mPackageUsage.write(true); 4601 } 4602 4603 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4604 boolean forceDex, boolean defer, HashSet<String> done) { 4605 for (int i=0; i<libs.size(); i++) { 4606 PackageParser.Package libPkg; 4607 String libName; 4608 synchronized (mPackages) { 4609 libName = libs.get(i); 4610 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4611 if (lib != null && lib.apk != null) { 4612 libPkg = mPackages.get(lib.apk); 4613 } else { 4614 libPkg = null; 4615 } 4616 } 4617 if (libPkg != null && !done.contains(libName)) { 4618 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4619 } 4620 } 4621 } 4622 4623 static final int DEX_OPT_SKIPPED = 0; 4624 static final int DEX_OPT_PERFORMED = 1; 4625 static final int DEX_OPT_DEFERRED = 2; 4626 static final int DEX_OPT_FAILED = -1; 4627 4628 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4629 boolean forceDex, boolean defer, HashSet<String> done) { 4630 final String instructionSet = instructionSetOverride != null ? 4631 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4632 4633 if (done != null) { 4634 done.add(pkg.packageName); 4635 if (pkg.usesLibraries != null) { 4636 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4637 } 4638 if (pkg.usesOptionalLibraries != null) { 4639 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4640 } 4641 } 4642 4643 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0) { 4644 final Collection<String> paths = pkg.getAllCodePaths(); 4645 for (String path : paths) { 4646 try { 4647 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4648 pkg.packageName, instructionSet, defer); 4649 // There are three basic cases here: 4650 // 1.) we need to dexopt, either because we are forced or it is needed 4651 // 2.) we are defering a needed dexopt 4652 // 3.) we are skipping an unneeded dexopt 4653 if (forceDex || (!defer && isDexOptNeededInternal)) { 4654 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4655 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4656 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4657 pkg.packageName, instructionSet); 4658 // Note that we ran dexopt, since rerunning will 4659 // probably just result in an error again. 4660 pkg.mDexOptNeeded = false; 4661 if (ret < 0) { 4662 return DEX_OPT_FAILED; 4663 } 4664 return DEX_OPT_PERFORMED; 4665 } 4666 if (defer && isDexOptNeededInternal) { 4667 if (mDeferredDexOpt == null) { 4668 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4669 } 4670 mDeferredDexOpt.add(pkg); 4671 return DEX_OPT_DEFERRED; 4672 } 4673 pkg.mDexOptNeeded = false; 4674 return DEX_OPT_SKIPPED; 4675 } catch (FileNotFoundException e) { 4676 Slog.w(TAG, "Apk not found for dexopt: " + path); 4677 return DEX_OPT_FAILED; 4678 } catch (IOException e) { 4679 Slog.w(TAG, "IOException reading apk: " + path, e); 4680 return DEX_OPT_FAILED; 4681 } catch (StaleDexCacheError e) { 4682 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4683 return DEX_OPT_FAILED; 4684 } catch (Exception e) { 4685 Slog.w(TAG, "Exception when doing dexopt : ", e); 4686 return DEX_OPT_FAILED; 4687 } 4688 } 4689 } 4690 return DEX_OPT_SKIPPED; 4691 } 4692 4693 private String getAppInstructionSet(ApplicationInfo info) { 4694 String instructionSet = getPreferredInstructionSet(); 4695 4696 if (info.cpuAbi != null) { 4697 instructionSet = VMRuntime.getInstructionSet(info.cpuAbi); 4698 } 4699 4700 return instructionSet; 4701 } 4702 4703 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4704 String instructionSet = getPreferredInstructionSet(); 4705 4706 if (ps.cpuAbiString != null) { 4707 instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 4708 } 4709 4710 return instructionSet; 4711 } 4712 4713 private static String getPreferredInstructionSet() { 4714 if (sPreferredInstructionSet == null) { 4715 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4716 } 4717 4718 return sPreferredInstructionSet; 4719 } 4720 4721 private static List<String> getAllInstructionSets() { 4722 final String[] allAbis = Build.SUPPORTED_ABIS; 4723 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4724 4725 for (String abi : allAbis) { 4726 final String instructionSet = VMRuntime.getInstructionSet(abi); 4727 if (!allInstructionSets.contains(instructionSet)) { 4728 allInstructionSets.add(instructionSet); 4729 } 4730 } 4731 4732 return allInstructionSets; 4733 } 4734 4735 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4736 boolean inclDependencies) { 4737 HashSet<String> done; 4738 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4739 done = new HashSet<String>(); 4740 done.add(pkg.packageName); 4741 } else { 4742 done = null; 4743 } 4744 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4745 } 4746 4747 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4748 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4749 Slog.w(TAG, "Unable to update from " + oldPkg.name 4750 + " to " + newPkg.packageName 4751 + ": old package not in system partition"); 4752 return false; 4753 } else if (mPackages.get(oldPkg.name) != null) { 4754 Slog.w(TAG, "Unable to update from " + oldPkg.name 4755 + " to " + newPkg.packageName 4756 + ": old package still exists"); 4757 return false; 4758 } 4759 return true; 4760 } 4761 4762 File getDataPathForUser(int userId) { 4763 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4764 } 4765 4766 private File getDataPathForPackage(String packageName, int userId) { 4767 /* 4768 * Until we fully support multiple users, return the directory we 4769 * previously would have. The PackageManagerTests will need to be 4770 * revised when this is changed back.. 4771 */ 4772 if (userId == 0) { 4773 return new File(mAppDataDir, packageName); 4774 } else { 4775 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4776 + File.separator + packageName); 4777 } 4778 } 4779 4780 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4781 int[] users = sUserManager.getUserIds(); 4782 int res = mInstaller.install(packageName, uid, uid, seinfo); 4783 if (res < 0) { 4784 return res; 4785 } 4786 for (int user : users) { 4787 if (user != 0) { 4788 res = mInstaller.createUserData(packageName, 4789 UserHandle.getUid(user, uid), user, seinfo); 4790 if (res < 0) { 4791 return res; 4792 } 4793 } 4794 } 4795 return res; 4796 } 4797 4798 private int removeDataDirsLI(String packageName) { 4799 int[] users = sUserManager.getUserIds(); 4800 int res = 0; 4801 for (int user : users) { 4802 int resInner = mInstaller.remove(packageName, user); 4803 if (resInner < 0) { 4804 res = resInner; 4805 } 4806 } 4807 4808 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4809 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4810 if (!nativeLibraryFile.delete()) { 4811 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4812 } 4813 4814 return res; 4815 } 4816 4817 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4818 PackageParser.Package changingLib) { 4819 if (file.path != null) { 4820 usesLibraryFiles.add(file.path); 4821 return; 4822 } 4823 PackageParser.Package p = mPackages.get(file.apk); 4824 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4825 // If we are doing this while in the middle of updating a library apk, 4826 // then we need to make sure to use that new apk for determining the 4827 // dependencies here. (We haven't yet finished committing the new apk 4828 // to the package manager state.) 4829 if (p == null || p.packageName.equals(changingLib.packageName)) { 4830 p = changingLib; 4831 } 4832 } 4833 if (p != null) { 4834 usesLibraryFiles.addAll(p.getAllCodePaths()); 4835 } 4836 } 4837 4838 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4839 PackageParser.Package changingLib) { 4840 // We might be upgrading from a version of the platform that did not 4841 // provide per-package native library directories for system apps. 4842 // Fix that up here. 4843 if (isSystemApp(pkg)) { 4844 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4845 setInternalAppNativeLibraryPath(pkg, ps); 4846 } 4847 4848 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4849 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4850 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4851 for (int i=0; i<N; i++) { 4852 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4853 if (file == null) { 4854 Slog.e(TAG, "Package " + pkg.packageName 4855 + " requires unavailable shared library " 4856 + pkg.usesLibraries.get(i) + "; failing!"); 4857 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4858 return false; 4859 } 4860 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4861 } 4862 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4863 for (int i=0; i<N; i++) { 4864 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4865 if (file == null) { 4866 Slog.w(TAG, "Package " + pkg.packageName 4867 + " desires unavailable shared library " 4868 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4869 } else { 4870 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4871 } 4872 } 4873 N = usesLibraryFiles.size(); 4874 if (N > 0) { 4875 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4876 } else { 4877 pkg.usesLibraryFiles = null; 4878 } 4879 } 4880 return true; 4881 } 4882 4883 private static boolean hasString(List<String> list, List<String> which) { 4884 if (list == null) { 4885 return false; 4886 } 4887 for (int i=list.size()-1; i>=0; i--) { 4888 for (int j=which.size()-1; j>=0; j--) { 4889 if (which.get(j).equals(list.get(i))) { 4890 return true; 4891 } 4892 } 4893 } 4894 return false; 4895 } 4896 4897 private void updateAllSharedLibrariesLPw() { 4898 for (PackageParser.Package pkg : mPackages.values()) { 4899 updateSharedLibrariesLPw(pkg, null); 4900 } 4901 } 4902 4903 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4904 PackageParser.Package changingPkg) { 4905 ArrayList<PackageParser.Package> res = null; 4906 for (PackageParser.Package pkg : mPackages.values()) { 4907 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4908 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4909 if (res == null) { 4910 res = new ArrayList<PackageParser.Package>(); 4911 } 4912 res.add(pkg); 4913 updateSharedLibrariesLPw(pkg, changingPkg); 4914 } 4915 } 4916 return res; 4917 } 4918 4919 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4920 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4921 final File scanFile = new File(pkg.codePath); 4922 if (pkg.applicationInfo.sourceDir == null || 4923 pkg.applicationInfo.publicSourceDir == null) { 4924 // Bail out. The resource and code paths haven't been set. 4925 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4926 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4927 return null; 4928 } 4929 4930 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4931 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4932 } 4933 4934 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4935 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4936 } 4937 4938 if (mCustomResolverComponentName != null && 4939 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4940 setUpCustomResolverActivity(pkg); 4941 } 4942 4943 if (pkg.packageName.equals("android")) { 4944 synchronized (mPackages) { 4945 if (mAndroidApplication != null) { 4946 Slog.w(TAG, "*************************************************"); 4947 Slog.w(TAG, "Core android package being redefined. Skipping."); 4948 Slog.w(TAG, " file=" + scanFile); 4949 Slog.w(TAG, "*************************************************"); 4950 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4951 return null; 4952 } 4953 4954 // Set up information for our fall-back user intent resolution activity. 4955 mPlatformPackage = pkg; 4956 pkg.mVersionCode = mSdkVersion; 4957 mAndroidApplication = pkg.applicationInfo; 4958 4959 if (!mResolverReplaced) { 4960 mResolveActivity.applicationInfo = mAndroidApplication; 4961 mResolveActivity.name = ResolverActivity.class.getName(); 4962 mResolveActivity.packageName = mAndroidApplication.packageName; 4963 mResolveActivity.processName = "system:ui"; 4964 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4965 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 4966 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4967 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4968 mResolveActivity.exported = true; 4969 mResolveActivity.enabled = true; 4970 mResolveInfo.activityInfo = mResolveActivity; 4971 mResolveInfo.priority = 0; 4972 mResolveInfo.preferredOrder = 0; 4973 mResolveInfo.match = 0; 4974 mResolveComponentName = new ComponentName( 4975 mAndroidApplication.packageName, mResolveActivity.name); 4976 } 4977 } 4978 } 4979 4980 if (DEBUG_PACKAGE_SCANNING) { 4981 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4982 Log.d(TAG, "Scanning package " + pkg.packageName); 4983 } 4984 4985 if (mPackages.containsKey(pkg.packageName) 4986 || mSharedLibraries.containsKey(pkg.packageName)) { 4987 Slog.w(TAG, "Application package " + pkg.packageName 4988 + " already installed. Skipping duplicate."); 4989 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4990 return null; 4991 } 4992 4993 // Initialize package source and resource directories 4994 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4995 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4996 4997 SharedUserSetting suid = null; 4998 PackageSetting pkgSetting = null; 4999 5000 if (!isSystemApp(pkg)) { 5001 // Only system apps can use these features. 5002 pkg.mOriginalPackages = null; 5003 pkg.mRealPackage = null; 5004 pkg.mAdoptPermissions = null; 5005 } 5006 5007 // writer 5008 synchronized (mPackages) { 5009 if (pkg.mSharedUserId != null) { 5010 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5011 if (suid == null) { 5012 Slog.w(TAG, "Creating application package " + pkg.packageName 5013 + " for shared user failed"); 5014 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5015 return null; 5016 } 5017 if (DEBUG_PACKAGE_SCANNING) { 5018 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5019 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5020 + "): packages=" + suid.packages); 5021 } 5022 } 5023 5024 // Check if we are renaming from an original package name. 5025 PackageSetting origPackage = null; 5026 String realName = null; 5027 if (pkg.mOriginalPackages != null) { 5028 // This package may need to be renamed to a previously 5029 // installed name. Let's check on that... 5030 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5031 if (pkg.mOriginalPackages.contains(renamed)) { 5032 // This package had originally been installed as the 5033 // original name, and we have already taken care of 5034 // transitioning to the new one. Just update the new 5035 // one to continue using the old name. 5036 realName = pkg.mRealPackage; 5037 if (!pkg.packageName.equals(renamed)) { 5038 // Callers into this function may have already taken 5039 // care of renaming the package; only do it here if 5040 // it is not already done. 5041 pkg.setPackageName(renamed); 5042 } 5043 5044 } else { 5045 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5046 if ((origPackage = mSettings.peekPackageLPr( 5047 pkg.mOriginalPackages.get(i))) != null) { 5048 // We do have the package already installed under its 5049 // original name... should we use it? 5050 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5051 // New package is not compatible with original. 5052 origPackage = null; 5053 continue; 5054 } else if (origPackage.sharedUser != null) { 5055 // Make sure uid is compatible between packages. 5056 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5057 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5058 + " to " + pkg.packageName + ": old uid " 5059 + origPackage.sharedUser.name 5060 + " differs from " + pkg.mSharedUserId); 5061 origPackage = null; 5062 continue; 5063 } 5064 } else { 5065 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5066 + pkg.packageName + " to old name " + origPackage.name); 5067 } 5068 break; 5069 } 5070 } 5071 } 5072 } 5073 5074 if (mTransferedPackages.contains(pkg.packageName)) { 5075 Slog.w(TAG, "Package " + pkg.packageName 5076 + " was transferred to another, but its .apk remains"); 5077 } 5078 5079 // Just create the setting, don't add it yet. For already existing packages 5080 // the PkgSetting exists already and doesn't have to be created. 5081 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5082 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 5083 pkg.applicationInfo.cpuAbi, 5084 pkg.applicationInfo.flags, user, false); 5085 if (pkgSetting == null) { 5086 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5087 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5088 return null; 5089 } 5090 5091 if (pkgSetting.origPackage != null) { 5092 // If we are first transitioning from an original package, 5093 // fix up the new package's name now. We need to do this after 5094 // looking up the package under its new name, so getPackageLP 5095 // can take care of fiddling things correctly. 5096 pkg.setPackageName(origPackage.name); 5097 5098 // File a report about this. 5099 String msg = "New package " + pkgSetting.realName 5100 + " renamed to replace old package " + pkgSetting.name; 5101 reportSettingsProblem(Log.WARN, msg); 5102 5103 // Make a note of it. 5104 mTransferedPackages.add(origPackage.name); 5105 5106 // No longer need to retain this. 5107 pkgSetting.origPackage = null; 5108 } 5109 5110 if (realName != null) { 5111 // Make a note of it. 5112 mTransferedPackages.add(pkg.packageName); 5113 } 5114 5115 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5116 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5117 } 5118 5119 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5120 // Check all shared libraries and map to their actual file path. 5121 // We only do this here for apps not on a system dir, because those 5122 // are the only ones that can fail an install due to this. We 5123 // will take care of the system apps by updating all of their 5124 // library paths after the scan is done. 5125 if (!updateSharedLibrariesLPw(pkg, null)) { 5126 return null; 5127 } 5128 } 5129 5130 if (mFoundPolicyFile) { 5131 SELinuxMMAC.assignSeinfoValue(pkg); 5132 } 5133 5134 pkg.applicationInfo.uid = pkgSetting.appId; 5135 pkg.mExtras = pkgSetting; 5136 5137 if (!verifySignaturesLP(pkgSetting, pkg)) { 5138 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5139 return null; 5140 } 5141 // The signature has changed, but this package is in the system 5142 // image... let's recover! 5143 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5144 // However... if this package is part of a shared user, but it 5145 // doesn't match the signature of the shared user, let's fail. 5146 // What this means is that you can't change the signatures 5147 // associated with an overall shared user, which doesn't seem all 5148 // that unreasonable. 5149 if (pkgSetting.sharedUser != null) { 5150 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5151 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5152 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5153 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5154 return null; 5155 } 5156 } 5157 // File a report about this. 5158 String msg = "System package " + pkg.packageName 5159 + " signature changed; retaining data."; 5160 reportSettingsProblem(Log.WARN, msg); 5161 } 5162 5163 // Verify that this new package doesn't have any content providers 5164 // that conflict with existing packages. Only do this if the 5165 // package isn't already installed, since we don't want to break 5166 // things that are installed. 5167 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5168 final int N = pkg.providers.size(); 5169 int i; 5170 for (i=0; i<N; i++) { 5171 PackageParser.Provider p = pkg.providers.get(i); 5172 if (p.info.authority != null) { 5173 String names[] = p.info.authority.split(";"); 5174 for (int j = 0; j < names.length; j++) { 5175 if (mProvidersByAuthority.containsKey(names[j])) { 5176 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5177 Slog.w(TAG, "Can't install because provider name " + names[j] + 5178 " (in package " + pkg.applicationInfo.packageName + 5179 ") is already used by " 5180 + ((other != null && other.getComponentName() != null) 5181 ? other.getComponentName().getPackageName() : "?")); 5182 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5183 return null; 5184 } 5185 } 5186 } 5187 } 5188 } 5189 5190 if (pkg.mAdoptPermissions != null) { 5191 // This package wants to adopt ownership of permissions from 5192 // another package. 5193 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5194 final String origName = pkg.mAdoptPermissions.get(i); 5195 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5196 if (orig != null) { 5197 if (verifyPackageUpdateLPr(orig, pkg)) { 5198 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5199 + pkg.packageName); 5200 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5201 } 5202 } 5203 } 5204 } 5205 } 5206 5207 final String pkgName = pkg.packageName; 5208 5209 final long scanFileTime = scanFile.lastModified(); 5210 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5211 pkg.applicationInfo.processName = fixProcessName( 5212 pkg.applicationInfo.packageName, 5213 pkg.applicationInfo.processName, 5214 pkg.applicationInfo.uid); 5215 5216 File dataPath; 5217 if (mPlatformPackage == pkg) { 5218 // The system package is special. 5219 dataPath = new File (Environment.getDataDirectory(), "system"); 5220 pkg.applicationInfo.dataDir = dataPath.getPath(); 5221 } else { 5222 // This is a normal package, need to make its data directory. 5223 dataPath = getDataPathForPackage(pkg.packageName, 0); 5224 5225 boolean uidError = false; 5226 5227 if (dataPath.exists()) { 5228 int currentUid = 0; 5229 try { 5230 StructStat stat = Os.stat(dataPath.getPath()); 5231 currentUid = stat.st_uid; 5232 } catch (ErrnoException e) { 5233 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5234 } 5235 5236 // If we have mismatched owners for the data path, we have a problem. 5237 if (currentUid != pkg.applicationInfo.uid) { 5238 boolean recovered = false; 5239 if (currentUid == 0) { 5240 // The directory somehow became owned by root. Wow. 5241 // This is probably because the system was stopped while 5242 // installd was in the middle of messing with its libs 5243 // directory. Ask installd to fix that. 5244 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5245 pkg.applicationInfo.uid); 5246 if (ret >= 0) { 5247 recovered = true; 5248 String msg = "Package " + pkg.packageName 5249 + " unexpectedly changed to uid 0; recovered to " + 5250 + pkg.applicationInfo.uid; 5251 reportSettingsProblem(Log.WARN, msg); 5252 } 5253 } 5254 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5255 || (scanMode&SCAN_BOOTING) != 0)) { 5256 // If this is a system app, we can at least delete its 5257 // current data so the application will still work. 5258 int ret = removeDataDirsLI(pkgName); 5259 if (ret >= 0) { 5260 // TODO: Kill the processes first 5261 // Old data gone! 5262 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5263 ? "System package " : "Third party package "; 5264 String msg = prefix + pkg.packageName 5265 + " has changed from uid: " 5266 + currentUid + " to " 5267 + pkg.applicationInfo.uid + "; old data erased"; 5268 reportSettingsProblem(Log.WARN, msg); 5269 recovered = true; 5270 5271 // And now re-install the app. 5272 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5273 pkg.applicationInfo.seinfo); 5274 if (ret == -1) { 5275 // Ack should not happen! 5276 msg = prefix + pkg.packageName 5277 + " could not have data directory re-created after delete."; 5278 reportSettingsProblem(Log.WARN, msg); 5279 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5280 return null; 5281 } 5282 } 5283 if (!recovered) { 5284 mHasSystemUidErrors = true; 5285 } 5286 } else if (!recovered) { 5287 // If we allow this install to proceed, we will be broken. 5288 // Abort, abort! 5289 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5290 return null; 5291 } 5292 if (!recovered) { 5293 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5294 + pkg.applicationInfo.uid + "/fs_" 5295 + currentUid; 5296 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5297 String msg = "Package " + pkg.packageName 5298 + " has mismatched uid: " 5299 + currentUid + " on disk, " 5300 + pkg.applicationInfo.uid + " in settings"; 5301 // writer 5302 synchronized (mPackages) { 5303 mSettings.mReadMessages.append(msg); 5304 mSettings.mReadMessages.append('\n'); 5305 uidError = true; 5306 if (!pkgSetting.uidError) { 5307 reportSettingsProblem(Log.ERROR, msg); 5308 } 5309 } 5310 } 5311 } 5312 pkg.applicationInfo.dataDir = dataPath.getPath(); 5313 if (mShouldRestoreconData) { 5314 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5315 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5316 pkg.applicationInfo.uid); 5317 } 5318 } else { 5319 if (DEBUG_PACKAGE_SCANNING) { 5320 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5321 Log.v(TAG, "Want this data dir: " + dataPath); 5322 } 5323 //invoke installer to do the actual installation 5324 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5325 pkg.applicationInfo.seinfo); 5326 if (ret < 0) { 5327 // Error from installer 5328 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5329 return null; 5330 } 5331 5332 if (dataPath.exists()) { 5333 pkg.applicationInfo.dataDir = dataPath.getPath(); 5334 } else { 5335 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5336 pkg.applicationInfo.dataDir = null; 5337 } 5338 } 5339 5340 /* 5341 * Set the data dir to the default "/data/data/<package name>/lib" 5342 * if we got here without anyone telling us different (e.g., apps 5343 * stored on SD card have their native libraries stored in the ASEC 5344 * container with the APK). 5345 * 5346 * This happens during an upgrade from a package settings file that 5347 * doesn't have a native library path attribute at all. 5348 */ 5349 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5350 if (pkgSetting.nativeLibraryPathString == null) { 5351 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5352 } else { 5353 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5354 } 5355 } 5356 pkgSetting.uidError = uidError; 5357 } 5358 5359 final String path = scanFile.getPath(); 5360 /* Note: We don't want to unpack the native binaries for 5361 * system applications, unless they have been updated 5362 * (the binaries are already under /system/lib). 5363 * Also, don't unpack libs for apps on the external card 5364 * since they should have their libraries in the ASEC 5365 * container already. 5366 * 5367 * In other words, we're going to unpack the binaries 5368 * only for non-system apps and system app upgrades. 5369 */ 5370 if (pkg.applicationInfo.nativeLibraryDir != null) { 5371 // TODO: extend to extract native code from split APKs 5372 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5373 try { 5374 // Enable gross and lame hacks for apps that are built with old 5375 // SDK tools. We must scan their APKs for renderscript bitcode and 5376 // not launch them if it's present. Don't bother checking on devices 5377 // that don't have 64 bit support. 5378 String[] abiList = Build.SUPPORTED_ABIS; 5379 boolean hasLegacyRenderscriptBitcode = false; 5380 if (abiOverride != null) { 5381 abiList = new String[] { abiOverride }; 5382 } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 5383 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5384 abiList = Build.SUPPORTED_32_BIT_ABIS; 5385 hasLegacyRenderscriptBitcode = true; 5386 } 5387 5388 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5389 final String dataPathString = dataPath.getCanonicalPath(); 5390 5391 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5392 /* 5393 * Upgrading from a previous version of the OS sometimes 5394 * leaves native libraries in the /data/data/<app>/lib 5395 * directory for system apps even when they shouldn't be. 5396 * Recent changes in the JNI library search path 5397 * necessitates we remove those to match previous behavior. 5398 */ 5399 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5400 Log.i(TAG, "removed obsolete native libraries for system package " 5401 + path); 5402 } 5403 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5404 pkg.applicationInfo.cpuAbi = abiList[0]; 5405 pkgSetting.cpuAbiString = abiList[0]; 5406 } else { 5407 setInternalAppAbi(pkg, pkgSetting); 5408 } 5409 } else { 5410 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5411 /* 5412 * Update native library dir if it starts with 5413 * /data/data 5414 */ 5415 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5416 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5417 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5418 } 5419 5420 try { 5421 int copyRet = copyNativeLibrariesForInternalApp(handle, 5422 nativeLibraryDir, abiList); 5423 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5424 Slog.e(TAG, "Unable to copy native libraries"); 5425 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5426 return null; 5427 } 5428 5429 // We've successfully copied native libraries across, so we make a 5430 // note of what ABI we're using 5431 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5432 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5433 } else if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5434 pkg.applicationInfo.cpuAbi = abiList[0]; 5435 } else { 5436 pkg.applicationInfo.cpuAbi = null; 5437 } 5438 } catch (IOException e) { 5439 Slog.e(TAG, "Unable to copy native libraries", e); 5440 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5441 return null; 5442 } 5443 } else { 5444 // We don't have to copy the shared libraries if we're in the ASEC container 5445 // but we still need to scan the file to figure out what ABI the app needs. 5446 // 5447 // TODO: This duplicates work done in the default container service. It's possible 5448 // to clean this up but we'll need to change the interface between this service 5449 // and IMediaContainerService (but doing so will spread this logic out, rather 5450 // than centralizing it). 5451 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5452 if (abi >= 0) { 5453 pkg.applicationInfo.cpuAbi = abiList[abi]; 5454 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5455 // Note that (non upgraded) system apps will not have any native 5456 // libraries bundled in their APK, but we're guaranteed not to be 5457 // such an app at this point. 5458 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5459 pkg.applicationInfo.cpuAbi = abiList[0]; 5460 } else { 5461 pkg.applicationInfo.cpuAbi = null; 5462 } 5463 } else { 5464 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5465 return null; 5466 } 5467 } 5468 5469 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5470 final int[] userIds = sUserManager.getUserIds(); 5471 synchronized (mInstallLock) { 5472 for (int userId : userIds) { 5473 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5474 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5475 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5476 + ")"); 5477 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5478 return null; 5479 } 5480 } 5481 } 5482 } 5483 5484 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5485 } catch (IOException ioe) { 5486 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5487 } finally { 5488 handle.close(); 5489 } 5490 } 5491 5492 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5493 // We don't do this here during boot because we can do it all 5494 // at once after scanning all existing packages. 5495 // 5496 // We also do this *before* we perform dexopt on this package, so that 5497 // we can avoid redundant dexopts, and also to make sure we've got the 5498 // code and package path correct. 5499 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5500 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5501 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5502 return null; 5503 } 5504 } 5505 5506 if ((scanMode&SCAN_NO_DEX) == 0) { 5507 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5508 == DEX_OPT_FAILED) { 5509 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5510 removeDataDirsLI(pkg.packageName); 5511 } 5512 5513 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5514 return null; 5515 } 5516 } 5517 5518 if (mFactoryTest && pkg.requestedPermissions.contains( 5519 android.Manifest.permission.FACTORY_TEST)) { 5520 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5521 } 5522 5523 ArrayList<PackageParser.Package> clientLibPkgs = null; 5524 5525 // writer 5526 synchronized (mPackages) { 5527 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5528 // Only system apps can add new shared libraries. 5529 if (pkg.libraryNames != null) { 5530 for (int i=0; i<pkg.libraryNames.size(); i++) { 5531 String name = pkg.libraryNames.get(i); 5532 boolean allowed = false; 5533 if (isUpdatedSystemApp(pkg)) { 5534 // New library entries can only be added through the 5535 // system image. This is important to get rid of a lot 5536 // of nasty edge cases: for example if we allowed a non- 5537 // system update of the app to add a library, then uninstalling 5538 // the update would make the library go away, and assumptions 5539 // we made such as through app install filtering would now 5540 // have allowed apps on the device which aren't compatible 5541 // with it. Better to just have the restriction here, be 5542 // conservative, and create many fewer cases that can negatively 5543 // impact the user experience. 5544 final PackageSetting sysPs = mSettings 5545 .getDisabledSystemPkgLPr(pkg.packageName); 5546 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5547 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5548 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5549 allowed = true; 5550 allowed = true; 5551 break; 5552 } 5553 } 5554 } 5555 } else { 5556 allowed = true; 5557 } 5558 if (allowed) { 5559 if (!mSharedLibraries.containsKey(name)) { 5560 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5561 } else if (!name.equals(pkg.packageName)) { 5562 Slog.w(TAG, "Package " + pkg.packageName + " library " 5563 + name + " already exists; skipping"); 5564 } 5565 } else { 5566 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5567 + name + " that is not declared on system image; skipping"); 5568 } 5569 } 5570 if ((scanMode&SCAN_BOOTING) == 0) { 5571 // If we are not booting, we need to update any applications 5572 // that are clients of our shared library. If we are booting, 5573 // this will all be done once the scan is complete. 5574 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5575 } 5576 } 5577 } 5578 } 5579 5580 // We also need to dexopt any apps that are dependent on this library. Note that 5581 // if these fail, we should abort the install since installing the library will 5582 // result in some apps being broken. 5583 if (clientLibPkgs != null) { 5584 if ((scanMode&SCAN_NO_DEX) == 0) { 5585 for (int i=0; i<clientLibPkgs.size(); i++) { 5586 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5587 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5588 == DEX_OPT_FAILED) { 5589 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5590 removeDataDirsLI(pkg.packageName); 5591 } 5592 5593 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5594 return null; 5595 } 5596 } 5597 } 5598 } 5599 5600 // Request the ActivityManager to kill the process(only for existing packages) 5601 // so that we do not end up in a confused state while the user is still using the older 5602 // version of the application while the new one gets installed. 5603 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5604 // If the package lives in an asec, tell everyone that the container is going 5605 // away so they can clean up any references to its resources (which would prevent 5606 // vold from being able to unmount the asec) 5607 if (isForwardLocked(pkg) || isExternal(pkg)) { 5608 if (DEBUG_INSTALL) { 5609 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5610 } 5611 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5612 final ArrayList<String> pkgList = new ArrayList<String>(1); 5613 pkgList.add(pkg.applicationInfo.packageName); 5614 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5615 } 5616 5617 // Post the request that it be killed now that the going-away broadcast is en route 5618 killApplication(pkg.applicationInfo.packageName, 5619 pkg.applicationInfo.uid, "update pkg"); 5620 } 5621 5622 // Also need to kill any apps that are dependent on the library. 5623 if (clientLibPkgs != null) { 5624 for (int i=0; i<clientLibPkgs.size(); i++) { 5625 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5626 killApplication(clientPkg.applicationInfo.packageName, 5627 clientPkg.applicationInfo.uid, "update lib"); 5628 } 5629 } 5630 5631 // writer 5632 synchronized (mPackages) { 5633 // We don't expect installation to fail beyond this point, 5634 if ((scanMode&SCAN_MONITOR) != 0) { 5635 mAppDirs.put(pkg.codePath, pkg); 5636 } 5637 // Add the new setting to mSettings 5638 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5639 // Add the new setting to mPackages 5640 mPackages.put(pkg.applicationInfo.packageName, pkg); 5641 // Make sure we don't accidentally delete its data. 5642 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5643 while (iter.hasNext()) { 5644 PackageCleanItem item = iter.next(); 5645 if (pkgName.equals(item.packageName)) { 5646 iter.remove(); 5647 } 5648 } 5649 5650 // Take care of first install / last update times. 5651 if (currentTime != 0) { 5652 if (pkgSetting.firstInstallTime == 0) { 5653 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5654 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5655 pkgSetting.lastUpdateTime = currentTime; 5656 } 5657 } else if (pkgSetting.firstInstallTime == 0) { 5658 // We need *something*. Take time time stamp of the file. 5659 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5660 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5661 if (scanFileTime != pkgSetting.timeStamp) { 5662 // A package on the system image has changed; consider this 5663 // to be an update. 5664 pkgSetting.lastUpdateTime = scanFileTime; 5665 } 5666 } 5667 5668 // Add the package's KeySets to the global KeySetManager 5669 KeySetManager ksm = mSettings.mKeySetManager; 5670 try { 5671 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5672 if (pkg.mKeySetMapping != null) { 5673 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5674 pkg.mKeySetMapping.entrySet()) { 5675 if (entry.getValue() != null) { 5676 ksm.addDefinedKeySetToPackage(pkg.packageName, 5677 entry.getValue(), entry.getKey()); 5678 } 5679 } 5680 } 5681 } catch (NullPointerException e) { 5682 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5683 } catch (IllegalArgumentException e) { 5684 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5685 } 5686 5687 int N = pkg.providers.size(); 5688 StringBuilder r = null; 5689 int i; 5690 for (i=0; i<N; i++) { 5691 PackageParser.Provider p = pkg.providers.get(i); 5692 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5693 p.info.processName, pkg.applicationInfo.uid); 5694 mProviders.addProvider(p); 5695 p.syncable = p.info.isSyncable; 5696 if (p.info.authority != null) { 5697 String names[] = p.info.authority.split(";"); 5698 p.info.authority = null; 5699 for (int j = 0; j < names.length; j++) { 5700 if (j == 1 && p.syncable) { 5701 // We only want the first authority for a provider to possibly be 5702 // syncable, so if we already added this provider using a different 5703 // authority clear the syncable flag. We copy the provider before 5704 // changing it because the mProviders object contains a reference 5705 // to a provider that we don't want to change. 5706 // Only do this for the second authority since the resulting provider 5707 // object can be the same for all future authorities for this provider. 5708 p = new PackageParser.Provider(p); 5709 p.syncable = false; 5710 } 5711 if (!mProvidersByAuthority.containsKey(names[j])) { 5712 mProvidersByAuthority.put(names[j], p); 5713 if (p.info.authority == null) { 5714 p.info.authority = names[j]; 5715 } else { 5716 p.info.authority = p.info.authority + ";" + names[j]; 5717 } 5718 if (DEBUG_PACKAGE_SCANNING) { 5719 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5720 Log.d(TAG, "Registered content provider: " + names[j] 5721 + ", className = " + p.info.name + ", isSyncable = " 5722 + p.info.isSyncable); 5723 } 5724 } else { 5725 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5726 Slog.w(TAG, "Skipping provider name " + names[j] + 5727 " (in package " + pkg.applicationInfo.packageName + 5728 "): name already used by " 5729 + ((other != null && other.getComponentName() != null) 5730 ? other.getComponentName().getPackageName() : "?")); 5731 } 5732 } 5733 } 5734 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5735 if (r == null) { 5736 r = new StringBuilder(256); 5737 } else { 5738 r.append(' '); 5739 } 5740 r.append(p.info.name); 5741 } 5742 } 5743 if (r != null) { 5744 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5745 } 5746 5747 N = pkg.services.size(); 5748 r = null; 5749 for (i=0; i<N; i++) { 5750 PackageParser.Service s = pkg.services.get(i); 5751 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5752 s.info.processName, pkg.applicationInfo.uid); 5753 mServices.addService(s); 5754 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5755 if (r == null) { 5756 r = new StringBuilder(256); 5757 } else { 5758 r.append(' '); 5759 } 5760 r.append(s.info.name); 5761 } 5762 } 5763 if (r != null) { 5764 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5765 } 5766 5767 N = pkg.receivers.size(); 5768 r = null; 5769 for (i=0; i<N; i++) { 5770 PackageParser.Activity a = pkg.receivers.get(i); 5771 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5772 a.info.processName, pkg.applicationInfo.uid); 5773 mReceivers.addActivity(a, "receiver"); 5774 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5775 if (r == null) { 5776 r = new StringBuilder(256); 5777 } else { 5778 r.append(' '); 5779 } 5780 r.append(a.info.name); 5781 } 5782 } 5783 if (r != null) { 5784 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5785 } 5786 5787 N = pkg.activities.size(); 5788 r = null; 5789 for (i=0; i<N; i++) { 5790 PackageParser.Activity a = pkg.activities.get(i); 5791 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5792 a.info.processName, pkg.applicationInfo.uid); 5793 mActivities.addActivity(a, "activity"); 5794 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5795 if (r == null) { 5796 r = new StringBuilder(256); 5797 } else { 5798 r.append(' '); 5799 } 5800 r.append(a.info.name); 5801 } 5802 } 5803 if (r != null) { 5804 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5805 } 5806 5807 N = pkg.permissionGroups.size(); 5808 r = null; 5809 for (i=0; i<N; i++) { 5810 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5811 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5812 if (cur == null) { 5813 mPermissionGroups.put(pg.info.name, pg); 5814 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5815 if (r == null) { 5816 r = new StringBuilder(256); 5817 } else { 5818 r.append(' '); 5819 } 5820 r.append(pg.info.name); 5821 } 5822 } else { 5823 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5824 + pg.info.packageName + " ignored: original from " 5825 + cur.info.packageName); 5826 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5827 if (r == null) { 5828 r = new StringBuilder(256); 5829 } else { 5830 r.append(' '); 5831 } 5832 r.append("DUP:"); 5833 r.append(pg.info.name); 5834 } 5835 } 5836 } 5837 if (r != null) { 5838 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5839 } 5840 5841 N = pkg.permissions.size(); 5842 r = null; 5843 for (i=0; i<N; i++) { 5844 PackageParser.Permission p = pkg.permissions.get(i); 5845 HashMap<String, BasePermission> permissionMap = 5846 p.tree ? mSettings.mPermissionTrees 5847 : mSettings.mPermissions; 5848 p.group = mPermissionGroups.get(p.info.group); 5849 if (p.info.group == null || p.group != null) { 5850 BasePermission bp = permissionMap.get(p.info.name); 5851 if (bp == null) { 5852 bp = new BasePermission(p.info.name, p.info.packageName, 5853 BasePermission.TYPE_NORMAL); 5854 permissionMap.put(p.info.name, bp); 5855 } 5856 if (bp.perm == null) { 5857 if (bp.sourcePackage != null 5858 && !bp.sourcePackage.equals(p.info.packageName)) { 5859 // If this is a permission that was formerly defined by a non-system 5860 // app, but is now defined by a system app (following an upgrade), 5861 // discard the previous declaration and consider the system's to be 5862 // canonical. 5863 if (isSystemApp(p.owner)) { 5864 String msg = "New decl " + p.owner + " of permission " 5865 + p.info.name + " is system"; 5866 reportSettingsProblem(Log.WARN, msg); 5867 bp.sourcePackage = null; 5868 } 5869 } 5870 if (bp.sourcePackage == null 5871 || bp.sourcePackage.equals(p.info.packageName)) { 5872 BasePermission tree = findPermissionTreeLP(p.info.name); 5873 if (tree == null 5874 || tree.sourcePackage.equals(p.info.packageName)) { 5875 bp.packageSetting = pkgSetting; 5876 bp.perm = p; 5877 bp.uid = pkg.applicationInfo.uid; 5878 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5879 if (r == null) { 5880 r = new StringBuilder(256); 5881 } else { 5882 r.append(' '); 5883 } 5884 r.append(p.info.name); 5885 } 5886 } else { 5887 Slog.w(TAG, "Permission " + p.info.name + " from package " 5888 + p.info.packageName + " ignored: base tree " 5889 + tree.name + " is from package " 5890 + tree.sourcePackage); 5891 } 5892 } else { 5893 Slog.w(TAG, "Permission " + p.info.name + " from package " 5894 + p.info.packageName + " ignored: original from " 5895 + bp.sourcePackage); 5896 } 5897 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5898 if (r == null) { 5899 r = new StringBuilder(256); 5900 } else { 5901 r.append(' '); 5902 } 5903 r.append("DUP:"); 5904 r.append(p.info.name); 5905 } 5906 if (bp.perm == p) { 5907 bp.protectionLevel = p.info.protectionLevel; 5908 } 5909 } else { 5910 Slog.w(TAG, "Permission " + p.info.name + " from package " 5911 + p.info.packageName + " ignored: no group " 5912 + p.group); 5913 } 5914 } 5915 if (r != null) { 5916 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5917 } 5918 5919 N = pkg.instrumentation.size(); 5920 r = null; 5921 for (i=0; i<N; i++) { 5922 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5923 a.info.packageName = pkg.applicationInfo.packageName; 5924 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5925 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5926 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 5927 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 5928 a.info.dataDir = pkg.applicationInfo.dataDir; 5929 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5930 mInstrumentation.put(a.getComponentName(), a); 5931 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5932 if (r == null) { 5933 r = new StringBuilder(256); 5934 } else { 5935 r.append(' '); 5936 } 5937 r.append(a.info.name); 5938 } 5939 } 5940 if (r != null) { 5941 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5942 } 5943 5944 if (pkg.protectedBroadcasts != null) { 5945 N = pkg.protectedBroadcasts.size(); 5946 for (i=0; i<N; i++) { 5947 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5948 } 5949 } 5950 5951 pkgSetting.setTimeStamp(scanFileTime); 5952 5953 // Create idmap files for pairs of (packages, overlay packages). 5954 // Note: "android", ie framework-res.apk, is handled by native layers. 5955 if (pkg.mOverlayTarget != null) { 5956 // This is an overlay package. 5957 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5958 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5959 mOverlays.put(pkg.mOverlayTarget, 5960 new HashMap<String, PackageParser.Package>()); 5961 } 5962 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5963 map.put(pkg.packageName, pkg); 5964 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5965 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5966 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5967 return null; 5968 } 5969 } 5970 } else if (mOverlays.containsKey(pkg.packageName) && 5971 !pkg.packageName.equals("android")) { 5972 // This is a regular package, with one or more known overlay packages. 5973 createIdmapsForPackageLI(pkg); 5974 } 5975 } 5976 5977 return pkg; 5978 } 5979 5980 /** 5981 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 5982 * i.e, so that all packages can be run inside a single process if required. 5983 * 5984 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 5985 * this function will either try and make the ABI for all packages in {@code packagesForUser} 5986 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 5987 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 5988 * updating a package that belongs to a shared user. 5989 */ 5990 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5991 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 5992 String requiredInstructionSet = null; 5993 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 5994 requiredInstructionSet = VMRuntime.getInstructionSet( 5995 scannedPackage.applicationInfo.cpuAbi); 5996 } 5997 5998 PackageSetting requirer = null; 5999 for (PackageSetting ps : packagesForUser) { 6000 // If packagesForUser contains scannedPackage, we skip it. This will happen 6001 // when scannedPackage is an update of an existing package. Without this check, 6002 // we will never be able to change the ABI of any package belonging to a shared 6003 // user, even if it's compatible with other packages. 6004 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 6005 if (ps.cpuAbiString == null) { 6006 continue; 6007 } 6008 6009 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 6010 if (requiredInstructionSet != null) { 6011 if (!instructionSet.equals(requiredInstructionSet)) { 6012 // We have a mismatch between instruction sets (say arm vs arm64). 6013 // bail out. 6014 String errorMessage = "Instruction set mismatch, " 6015 + ((requirer == null) ? "[caller]" : requirer) 6016 + " requires " + requiredInstructionSet + " whereas " + ps 6017 + " requires " + instructionSet; 6018 Slog.e(TAG, errorMessage); 6019 6020 reportSettingsProblem(Log.WARN, errorMessage); 6021 // Give up, don't bother making any other changes to the package settings. 6022 return false; 6023 } 6024 } else { 6025 requiredInstructionSet = instructionSet; 6026 requirer = ps; 6027 } 6028 } 6029 } 6030 6031 if (requiredInstructionSet != null) { 6032 String adjustedAbi; 6033 if (requirer != null) { 6034 // requirer != null implies that either scannedPackage was null or that scannedPackage 6035 // did not require an ABI, in which case we have to adjust scannedPackage to match 6036 // the ABI of the set (which is the same as requirer's ABI) 6037 adjustedAbi = requirer.cpuAbiString; 6038 if (scannedPackage != null) { 6039 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 6040 } 6041 } else { 6042 // requirer == null implies that we're updating all ABIs in the set to 6043 // match scannedPackage. 6044 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 6045 } 6046 6047 for (PackageSetting ps : packagesForUser) { 6048 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6049 if (ps.cpuAbiString != null) { 6050 continue; 6051 } 6052 6053 ps.cpuAbiString = adjustedAbi; 6054 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6055 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 6056 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6057 6058 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6059 ps.cpuAbiString = null; 6060 ps.pkg.applicationInfo.cpuAbi = null; 6061 return false; 6062 } else { 6063 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6064 } 6065 } 6066 } 6067 } 6068 } 6069 6070 return true; 6071 } 6072 6073 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6074 synchronized (mPackages) { 6075 mResolverReplaced = true; 6076 // Set up information for custom user intent resolution activity. 6077 mResolveActivity.applicationInfo = pkg.applicationInfo; 6078 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6079 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6080 mResolveActivity.processName = null; 6081 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6082 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6083 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6084 mResolveActivity.theme = 0; 6085 mResolveActivity.exported = true; 6086 mResolveActivity.enabled = true; 6087 mResolveInfo.activityInfo = mResolveActivity; 6088 mResolveInfo.priority = 0; 6089 mResolveInfo.preferredOrder = 0; 6090 mResolveInfo.match = 0; 6091 mResolveComponentName = mCustomResolverComponentName; 6092 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6093 mResolveComponentName); 6094 } 6095 } 6096 6097 private String calculateApkRoot(final String codePathString) { 6098 final File codePath = new File(codePathString); 6099 final File codeRoot; 6100 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6101 codeRoot = Environment.getRootDirectory(); 6102 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6103 codeRoot = Environment.getOemDirectory(); 6104 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6105 codeRoot = Environment.getVendorDirectory(); 6106 } else { 6107 // Unrecognized code path; take its top real segment as the apk root: 6108 // e.g. /something/app/blah.apk => /something 6109 try { 6110 File f = codePath.getCanonicalFile(); 6111 File parent = f.getParentFile(); // non-null because codePath is a file 6112 File tmp; 6113 while ((tmp = parent.getParentFile()) != null) { 6114 f = parent; 6115 parent = tmp; 6116 } 6117 codeRoot = f; 6118 Slog.w(TAG, "Unrecognized code path " 6119 + codePath + " - using " + codeRoot); 6120 } catch (IOException e) { 6121 // Can't canonicalize the lib path -- shenanigans? 6122 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6123 return Environment.getRootDirectory().getPath(); 6124 } 6125 } 6126 return codeRoot.getPath(); 6127 } 6128 6129 // This is the initial scan-time determination of how to handle a given 6130 // package for purposes of native library location. 6131 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6132 PackageSetting pkgSetting) { 6133 // "bundled" here means system-installed with no overriding update 6134 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6135 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6136 final File libDir; 6137 if (bundledApk) { 6138 // If "/system/lib64/apkname" exists, assume that is the per-package 6139 // native library directory to use; otherwise use "/system/lib/apkname". 6140 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6141 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6142 File packLib64 = new File(lib64, apkName); 6143 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6144 } else { 6145 libDir = mAppLibInstallDir; 6146 } 6147 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6148 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6149 // pkgSetting might be null during rescan following uninstall of updates 6150 // to a bundled app, so accommodate that possibility. The settings in 6151 // that case will be established later from the parsed package. 6152 if (pkgSetting != null) { 6153 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6154 } 6155 } 6156 6157 // Deduces the required ABI of an upgraded system app. 6158 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6159 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6160 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6161 6162 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6163 // or similar. 6164 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6165 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6166 6167 // Assume that the bundled native libraries always correspond to the 6168 // most preferred 32 or 64 bit ABI. 6169 if (lib64.exists()) { 6170 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6171 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6172 } else if (lib.exists()) { 6173 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6174 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6175 } else { 6176 // This is the case where the app has no native code. 6177 pkg.applicationInfo.cpuAbi = null; 6178 pkgSetting.cpuAbiString = null; 6179 } 6180 } 6181 6182 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 6183 final File nativeLibraryDir, String[] abiList) throws IOException { 6184 if (!nativeLibraryDir.isDirectory()) { 6185 nativeLibraryDir.delete(); 6186 6187 if (!nativeLibraryDir.mkdir()) { 6188 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6189 } 6190 6191 try { 6192 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6193 } catch (ErrnoException e) { 6194 throw new IOException("Cannot chmod native library directory " 6195 + nativeLibraryDir.getPath(), e); 6196 } 6197 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6198 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6199 } 6200 6201 /* 6202 * If this is an internal application or our nativeLibraryPath points to 6203 * the app-lib directory, unpack the libraries if necessary. 6204 */ 6205 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6206 if (abi >= 0) { 6207 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6208 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6209 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6210 return copyRet; 6211 } 6212 } 6213 6214 return abi; 6215 } 6216 6217 private void killApplication(String pkgName, int appId, String reason) { 6218 // Request the ActivityManager to kill the process(only for existing packages) 6219 // so that we do not end up in a confused state while the user is still using the older 6220 // version of the application while the new one gets installed. 6221 IActivityManager am = ActivityManagerNative.getDefault(); 6222 if (am != null) { 6223 try { 6224 am.killApplicationWithAppId(pkgName, appId, reason); 6225 } catch (RemoteException e) { 6226 } 6227 } 6228 } 6229 6230 void removePackageLI(PackageSetting ps, boolean chatty) { 6231 if (DEBUG_INSTALL) { 6232 if (chatty) 6233 Log.d(TAG, "Removing package " + ps.name); 6234 } 6235 6236 // writer 6237 synchronized (mPackages) { 6238 mPackages.remove(ps.name); 6239 if (ps.codePathString != null) { 6240 mAppDirs.remove(ps.codePathString); 6241 } 6242 6243 final PackageParser.Package pkg = ps.pkg; 6244 if (pkg != null) { 6245 cleanPackageDataStructuresLILPw(pkg, chatty); 6246 } 6247 } 6248 } 6249 6250 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6251 if (DEBUG_INSTALL) { 6252 if (chatty) 6253 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6254 } 6255 6256 // writer 6257 synchronized (mPackages) { 6258 mPackages.remove(pkg.applicationInfo.packageName); 6259 if (pkg.codePath != null) { 6260 mAppDirs.remove(pkg.codePath); 6261 } 6262 cleanPackageDataStructuresLILPw(pkg, chatty); 6263 } 6264 } 6265 6266 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6267 int N = pkg.providers.size(); 6268 StringBuilder r = null; 6269 int i; 6270 for (i=0; i<N; i++) { 6271 PackageParser.Provider p = pkg.providers.get(i); 6272 mProviders.removeProvider(p); 6273 if (p.info.authority == null) { 6274 6275 /* There was another ContentProvider with this authority when 6276 * this app was installed so this authority is null, 6277 * Ignore it as we don't have to unregister the provider. 6278 */ 6279 continue; 6280 } 6281 String names[] = p.info.authority.split(";"); 6282 for (int j = 0; j < names.length; j++) { 6283 if (mProvidersByAuthority.get(names[j]) == p) { 6284 mProvidersByAuthority.remove(names[j]); 6285 if (DEBUG_REMOVE) { 6286 if (chatty) 6287 Log.d(TAG, "Unregistered content provider: " + names[j] 6288 + ", className = " + p.info.name + ", isSyncable = " 6289 + p.info.isSyncable); 6290 } 6291 } 6292 } 6293 if (DEBUG_REMOVE && chatty) { 6294 if (r == null) { 6295 r = new StringBuilder(256); 6296 } else { 6297 r.append(' '); 6298 } 6299 r.append(p.info.name); 6300 } 6301 } 6302 if (r != null) { 6303 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6304 } 6305 6306 N = pkg.services.size(); 6307 r = null; 6308 for (i=0; i<N; i++) { 6309 PackageParser.Service s = pkg.services.get(i); 6310 mServices.removeService(s); 6311 if (chatty) { 6312 if (r == null) { 6313 r = new StringBuilder(256); 6314 } else { 6315 r.append(' '); 6316 } 6317 r.append(s.info.name); 6318 } 6319 } 6320 if (r != null) { 6321 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6322 } 6323 6324 N = pkg.receivers.size(); 6325 r = null; 6326 for (i=0; i<N; i++) { 6327 PackageParser.Activity a = pkg.receivers.get(i); 6328 mReceivers.removeActivity(a, "receiver"); 6329 if (DEBUG_REMOVE && chatty) { 6330 if (r == null) { 6331 r = new StringBuilder(256); 6332 } else { 6333 r.append(' '); 6334 } 6335 r.append(a.info.name); 6336 } 6337 } 6338 if (r != null) { 6339 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6340 } 6341 6342 N = pkg.activities.size(); 6343 r = null; 6344 for (i=0; i<N; i++) { 6345 PackageParser.Activity a = pkg.activities.get(i); 6346 mActivities.removeActivity(a, "activity"); 6347 if (DEBUG_REMOVE && chatty) { 6348 if (r == null) { 6349 r = new StringBuilder(256); 6350 } else { 6351 r.append(' '); 6352 } 6353 r.append(a.info.name); 6354 } 6355 } 6356 if (r != null) { 6357 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6358 } 6359 6360 N = pkg.permissions.size(); 6361 r = null; 6362 for (i=0; i<N; i++) { 6363 PackageParser.Permission p = pkg.permissions.get(i); 6364 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6365 if (bp == null) { 6366 bp = mSettings.mPermissionTrees.get(p.info.name); 6367 } 6368 if (bp != null && bp.perm == p) { 6369 bp.perm = null; 6370 if (DEBUG_REMOVE && chatty) { 6371 if (r == null) { 6372 r = new StringBuilder(256); 6373 } else { 6374 r.append(' '); 6375 } 6376 r.append(p.info.name); 6377 } 6378 } 6379 } 6380 if (r != null) { 6381 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6382 } 6383 6384 N = pkg.instrumentation.size(); 6385 r = null; 6386 for (i=0; i<N; i++) { 6387 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6388 mInstrumentation.remove(a.getComponentName()); 6389 if (DEBUG_REMOVE && chatty) { 6390 if (r == null) { 6391 r = new StringBuilder(256); 6392 } else { 6393 r.append(' '); 6394 } 6395 r.append(a.info.name); 6396 } 6397 } 6398 if (r != null) { 6399 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6400 } 6401 6402 r = null; 6403 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6404 // Only system apps can hold shared libraries. 6405 if (pkg.libraryNames != null) { 6406 for (i=0; i<pkg.libraryNames.size(); i++) { 6407 String name = pkg.libraryNames.get(i); 6408 SharedLibraryEntry cur = mSharedLibraries.get(name); 6409 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6410 mSharedLibraries.remove(name); 6411 if (DEBUG_REMOVE && chatty) { 6412 if (r == null) { 6413 r = new StringBuilder(256); 6414 } else { 6415 r.append(' '); 6416 } 6417 r.append(name); 6418 } 6419 } 6420 } 6421 } 6422 } 6423 if (r != null) { 6424 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6425 } 6426 } 6427 6428 private static final boolean isPackageFilename(String name) { 6429 return name != null && name.endsWith(".apk"); 6430 } 6431 6432 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6433 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6434 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6435 return true; 6436 } 6437 } 6438 return false; 6439 } 6440 6441 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6442 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6443 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6444 6445 private void updatePermissionsLPw(String changingPkg, 6446 PackageParser.Package pkgInfo, int flags) { 6447 // Make sure there are no dangling permission trees. 6448 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6449 while (it.hasNext()) { 6450 final BasePermission bp = it.next(); 6451 if (bp.packageSetting == null) { 6452 // We may not yet have parsed the package, so just see if 6453 // we still know about its settings. 6454 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6455 } 6456 if (bp.packageSetting == null) { 6457 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6458 + " from package " + bp.sourcePackage); 6459 it.remove(); 6460 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6461 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6462 Slog.i(TAG, "Removing old permission tree: " + bp.name 6463 + " from package " + bp.sourcePackage); 6464 flags |= UPDATE_PERMISSIONS_ALL; 6465 it.remove(); 6466 } 6467 } 6468 } 6469 6470 // Make sure all dynamic permissions have been assigned to a package, 6471 // and make sure there are no dangling permissions. 6472 it = mSettings.mPermissions.values().iterator(); 6473 while (it.hasNext()) { 6474 final BasePermission bp = it.next(); 6475 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6476 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6477 + bp.name + " pkg=" + bp.sourcePackage 6478 + " info=" + bp.pendingInfo); 6479 if (bp.packageSetting == null && bp.pendingInfo != null) { 6480 final BasePermission tree = findPermissionTreeLP(bp.name); 6481 if (tree != null && tree.perm != null) { 6482 bp.packageSetting = tree.packageSetting; 6483 bp.perm = new PackageParser.Permission(tree.perm.owner, 6484 new PermissionInfo(bp.pendingInfo)); 6485 bp.perm.info.packageName = tree.perm.info.packageName; 6486 bp.perm.info.name = bp.name; 6487 bp.uid = tree.uid; 6488 } 6489 } 6490 } 6491 if (bp.packageSetting == null) { 6492 // We may not yet have parsed the package, so just see if 6493 // we still know about its settings. 6494 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6495 } 6496 if (bp.packageSetting == null) { 6497 Slog.w(TAG, "Removing dangling permission: " + bp.name 6498 + " from package " + bp.sourcePackage); 6499 it.remove(); 6500 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6501 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6502 Slog.i(TAG, "Removing old permission: " + bp.name 6503 + " from package " + bp.sourcePackage); 6504 flags |= UPDATE_PERMISSIONS_ALL; 6505 it.remove(); 6506 } 6507 } 6508 } 6509 6510 // Now update the permissions for all packages, in particular 6511 // replace the granted permissions of the system packages. 6512 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6513 for (PackageParser.Package pkg : mPackages.values()) { 6514 if (pkg != pkgInfo) { 6515 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6516 } 6517 } 6518 } 6519 6520 if (pkgInfo != null) { 6521 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6522 } 6523 } 6524 6525 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6526 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6527 if (ps == null) { 6528 return; 6529 } 6530 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6531 HashSet<String> origPermissions = gp.grantedPermissions; 6532 boolean changedPermission = false; 6533 6534 if (replace) { 6535 ps.permissionsFixed = false; 6536 if (gp == ps) { 6537 origPermissions = new HashSet<String>(gp.grantedPermissions); 6538 gp.grantedPermissions.clear(); 6539 gp.gids = mGlobalGids; 6540 } 6541 } 6542 6543 if (gp.gids == null) { 6544 gp.gids = mGlobalGids; 6545 } 6546 6547 final int N = pkg.requestedPermissions.size(); 6548 for (int i=0; i<N; i++) { 6549 final String name = pkg.requestedPermissions.get(i); 6550 final boolean required = pkg.requestedPermissionsRequired.get(i); 6551 final BasePermission bp = mSettings.mPermissions.get(name); 6552 if (DEBUG_INSTALL) { 6553 if (gp != ps) { 6554 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6555 } 6556 } 6557 6558 if (bp == null || bp.packageSetting == null) { 6559 Slog.w(TAG, "Unknown permission " + name 6560 + " in package " + pkg.packageName); 6561 continue; 6562 } 6563 6564 final String perm = bp.name; 6565 boolean allowed; 6566 boolean allowedSig = false; 6567 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6568 if (level == PermissionInfo.PROTECTION_NORMAL 6569 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6570 // We grant a normal or dangerous permission if any of the following 6571 // are true: 6572 // 1) The permission is required 6573 // 2) The permission is optional, but was granted in the past 6574 // 3) The permission is optional, but was requested by an 6575 // app in /system (not /data) 6576 // 6577 // Otherwise, reject the permission. 6578 allowed = (required || origPermissions.contains(perm) 6579 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6580 } else if (bp.packageSetting == null) { 6581 // This permission is invalid; skip it. 6582 allowed = false; 6583 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6584 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6585 if (allowed) { 6586 allowedSig = true; 6587 } 6588 } else { 6589 allowed = false; 6590 } 6591 if (DEBUG_INSTALL) { 6592 if (gp != ps) { 6593 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6594 } 6595 } 6596 if (allowed) { 6597 if (!isSystemApp(ps) && ps.permissionsFixed) { 6598 // If this is an existing, non-system package, then 6599 // we can't add any new permissions to it. 6600 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6601 // Except... if this is a permission that was added 6602 // to the platform (note: need to only do this when 6603 // updating the platform). 6604 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6605 } 6606 } 6607 if (allowed) { 6608 if (!gp.grantedPermissions.contains(perm)) { 6609 changedPermission = true; 6610 gp.grantedPermissions.add(perm); 6611 gp.gids = appendInts(gp.gids, bp.gids); 6612 } else if (!ps.haveGids) { 6613 gp.gids = appendInts(gp.gids, bp.gids); 6614 } 6615 } else { 6616 Slog.w(TAG, "Not granting permission " + perm 6617 + " to package " + pkg.packageName 6618 + " because it was previously installed without"); 6619 } 6620 } else { 6621 if (gp.grantedPermissions.remove(perm)) { 6622 changedPermission = true; 6623 gp.gids = removeInts(gp.gids, bp.gids); 6624 Slog.i(TAG, "Un-granting permission " + perm 6625 + " from package " + pkg.packageName 6626 + " (protectionLevel=" + bp.protectionLevel 6627 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6628 + ")"); 6629 } else { 6630 Slog.w(TAG, "Not granting permission " + perm 6631 + " to package " + pkg.packageName 6632 + " (protectionLevel=" + bp.protectionLevel 6633 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6634 + ")"); 6635 } 6636 } 6637 } 6638 6639 if ((changedPermission || replace) && !ps.permissionsFixed && 6640 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6641 // This is the first that we have heard about this package, so the 6642 // permissions we have now selected are fixed until explicitly 6643 // changed. 6644 ps.permissionsFixed = true; 6645 } 6646 ps.haveGids = true; 6647 } 6648 6649 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6650 boolean allowed = false; 6651 final int NP = PackageParser.NEW_PERMISSIONS.length; 6652 for (int ip=0; ip<NP; ip++) { 6653 final PackageParser.NewPermissionInfo npi 6654 = PackageParser.NEW_PERMISSIONS[ip]; 6655 if (npi.name.equals(perm) 6656 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6657 allowed = true; 6658 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6659 + pkg.packageName); 6660 break; 6661 } 6662 } 6663 return allowed; 6664 } 6665 6666 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6667 BasePermission bp, HashSet<String> origPermissions) { 6668 boolean allowed; 6669 allowed = (compareSignatures( 6670 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6671 == PackageManager.SIGNATURE_MATCH) 6672 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6673 == PackageManager.SIGNATURE_MATCH); 6674 if (!allowed && (bp.protectionLevel 6675 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6676 if (isSystemApp(pkg)) { 6677 // For updated system applications, a system permission 6678 // is granted only if it had been defined by the original application. 6679 if (isUpdatedSystemApp(pkg)) { 6680 final PackageSetting sysPs = mSettings 6681 .getDisabledSystemPkgLPr(pkg.packageName); 6682 final GrantedPermissions origGp = sysPs.sharedUser != null 6683 ? sysPs.sharedUser : sysPs; 6684 6685 if (origGp.grantedPermissions.contains(perm)) { 6686 // If the original was granted this permission, we take 6687 // that grant decision as read and propagate it to the 6688 // update. 6689 allowed = true; 6690 } else { 6691 // The system apk may have been updated with an older 6692 // version of the one on the data partition, but which 6693 // granted a new system permission that it didn't have 6694 // before. In this case we do want to allow the app to 6695 // now get the new permission if the ancestral apk is 6696 // privileged to get it. 6697 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6698 for (int j=0; 6699 j<sysPs.pkg.requestedPermissions.size(); j++) { 6700 if (perm.equals( 6701 sysPs.pkg.requestedPermissions.get(j))) { 6702 allowed = true; 6703 break; 6704 } 6705 } 6706 } 6707 } 6708 } else { 6709 allowed = isPrivilegedApp(pkg); 6710 } 6711 } 6712 } 6713 if (!allowed && (bp.protectionLevel 6714 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6715 // For development permissions, a development permission 6716 // is granted only if it was already granted. 6717 allowed = origPermissions.contains(perm); 6718 } 6719 return allowed; 6720 } 6721 6722 final class ActivityIntentResolver 6723 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6724 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6725 boolean defaultOnly, int userId) { 6726 if (!sUserManager.exists(userId)) return null; 6727 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6728 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6729 } 6730 6731 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6732 int userId) { 6733 if (!sUserManager.exists(userId)) return null; 6734 mFlags = flags; 6735 return super.queryIntent(intent, resolvedType, 6736 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6737 } 6738 6739 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6740 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6741 if (!sUserManager.exists(userId)) return null; 6742 if (packageActivities == null) { 6743 return null; 6744 } 6745 mFlags = flags; 6746 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6747 final int N = packageActivities.size(); 6748 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6749 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6750 6751 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6752 for (int i = 0; i < N; ++i) { 6753 intentFilters = packageActivities.get(i).intents; 6754 if (intentFilters != null && intentFilters.size() > 0) { 6755 PackageParser.ActivityIntentInfo[] array = 6756 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6757 intentFilters.toArray(array); 6758 listCut.add(array); 6759 } 6760 } 6761 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6762 } 6763 6764 public final void addActivity(PackageParser.Activity a, String type) { 6765 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6766 mActivities.put(a.getComponentName(), a); 6767 if (DEBUG_SHOW_INFO) 6768 Log.v( 6769 TAG, " " + type + " " + 6770 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6771 if (DEBUG_SHOW_INFO) 6772 Log.v(TAG, " Class=" + a.info.name); 6773 final int NI = a.intents.size(); 6774 for (int j=0; j<NI; j++) { 6775 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6776 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6777 intent.setPriority(0); 6778 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6779 + a.className + " with priority > 0, forcing to 0"); 6780 } 6781 if (DEBUG_SHOW_INFO) { 6782 Log.v(TAG, " IntentFilter:"); 6783 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6784 } 6785 if (!intent.debugCheck()) { 6786 Log.w(TAG, "==> For Activity " + a.info.name); 6787 } 6788 addFilter(intent); 6789 } 6790 } 6791 6792 public final void removeActivity(PackageParser.Activity a, String type) { 6793 mActivities.remove(a.getComponentName()); 6794 if (DEBUG_SHOW_INFO) { 6795 Log.v(TAG, " " + type + " " 6796 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6797 : a.info.name) + ":"); 6798 Log.v(TAG, " Class=" + a.info.name); 6799 } 6800 final int NI = a.intents.size(); 6801 for (int j=0; j<NI; j++) { 6802 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6803 if (DEBUG_SHOW_INFO) { 6804 Log.v(TAG, " IntentFilter:"); 6805 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6806 } 6807 removeFilter(intent); 6808 } 6809 } 6810 6811 @Override 6812 protected boolean allowFilterResult( 6813 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6814 ActivityInfo filterAi = filter.activity.info; 6815 for (int i=dest.size()-1; i>=0; i--) { 6816 ActivityInfo destAi = dest.get(i).activityInfo; 6817 if (destAi.name == filterAi.name 6818 && destAi.packageName == filterAi.packageName) { 6819 return false; 6820 } 6821 } 6822 return true; 6823 } 6824 6825 @Override 6826 protected ActivityIntentInfo[] newArray(int size) { 6827 return new ActivityIntentInfo[size]; 6828 } 6829 6830 @Override 6831 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6832 if (!sUserManager.exists(userId)) return true; 6833 PackageParser.Package p = filter.activity.owner; 6834 if (p != null) { 6835 PackageSetting ps = (PackageSetting)p.mExtras; 6836 if (ps != null) { 6837 // System apps are never considered stopped for purposes of 6838 // filtering, because there may be no way for the user to 6839 // actually re-launch them. 6840 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6841 && ps.getStopped(userId); 6842 } 6843 } 6844 return false; 6845 } 6846 6847 @Override 6848 protected boolean isPackageForFilter(String packageName, 6849 PackageParser.ActivityIntentInfo info) { 6850 return packageName.equals(info.activity.owner.packageName); 6851 } 6852 6853 @Override 6854 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6855 int match, int userId) { 6856 if (!sUserManager.exists(userId)) return null; 6857 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6858 return null; 6859 } 6860 final PackageParser.Activity activity = info.activity; 6861 if (mSafeMode && (activity.info.applicationInfo.flags 6862 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6863 return null; 6864 } 6865 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6866 if (ps == null) { 6867 return null; 6868 } 6869 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6870 ps.readUserState(userId), userId); 6871 if (ai == null) { 6872 return null; 6873 } 6874 final ResolveInfo res = new ResolveInfo(); 6875 res.activityInfo = ai; 6876 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6877 res.filter = info; 6878 } 6879 res.priority = info.getPriority(); 6880 res.preferredOrder = activity.owner.mPreferredOrder; 6881 //System.out.println("Result: " + res.activityInfo.className + 6882 // " = " + res.priority); 6883 res.match = match; 6884 res.isDefault = info.hasDefault; 6885 res.labelRes = info.labelRes; 6886 res.nonLocalizedLabel = info.nonLocalizedLabel; 6887 res.icon = info.icon; 6888 res.system = isSystemApp(res.activityInfo.applicationInfo); 6889 return res; 6890 } 6891 6892 @Override 6893 protected void sortResults(List<ResolveInfo> results) { 6894 Collections.sort(results, mResolvePrioritySorter); 6895 } 6896 6897 @Override 6898 protected void dumpFilter(PrintWriter out, String prefix, 6899 PackageParser.ActivityIntentInfo filter) { 6900 out.print(prefix); out.print( 6901 Integer.toHexString(System.identityHashCode(filter.activity))); 6902 out.print(' '); 6903 filter.activity.printComponentShortName(out); 6904 out.print(" filter "); 6905 out.println(Integer.toHexString(System.identityHashCode(filter))); 6906 } 6907 6908// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6909// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6910// final List<ResolveInfo> retList = Lists.newArrayList(); 6911// while (i.hasNext()) { 6912// final ResolveInfo resolveInfo = i.next(); 6913// if (isEnabledLP(resolveInfo.activityInfo)) { 6914// retList.add(resolveInfo); 6915// } 6916// } 6917// return retList; 6918// } 6919 6920 // Keys are String (activity class name), values are Activity. 6921 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6922 = new HashMap<ComponentName, PackageParser.Activity>(); 6923 private int mFlags; 6924 } 6925 6926 private final class ServiceIntentResolver 6927 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6928 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6929 boolean defaultOnly, int userId) { 6930 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6931 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6932 } 6933 6934 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6935 int userId) { 6936 if (!sUserManager.exists(userId)) return null; 6937 mFlags = flags; 6938 return super.queryIntent(intent, resolvedType, 6939 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6940 } 6941 6942 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6943 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6944 if (!sUserManager.exists(userId)) return null; 6945 if (packageServices == null) { 6946 return null; 6947 } 6948 mFlags = flags; 6949 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6950 final int N = packageServices.size(); 6951 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6952 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6953 6954 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6955 for (int i = 0; i < N; ++i) { 6956 intentFilters = packageServices.get(i).intents; 6957 if (intentFilters != null && intentFilters.size() > 0) { 6958 PackageParser.ServiceIntentInfo[] array = 6959 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6960 intentFilters.toArray(array); 6961 listCut.add(array); 6962 } 6963 } 6964 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6965 } 6966 6967 public final void addService(PackageParser.Service s) { 6968 mServices.put(s.getComponentName(), s); 6969 if (DEBUG_SHOW_INFO) { 6970 Log.v(TAG, " " 6971 + (s.info.nonLocalizedLabel != null 6972 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6973 Log.v(TAG, " Class=" + s.info.name); 6974 } 6975 final int NI = s.intents.size(); 6976 int j; 6977 for (j=0; j<NI; j++) { 6978 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6979 if (DEBUG_SHOW_INFO) { 6980 Log.v(TAG, " IntentFilter:"); 6981 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6982 } 6983 if (!intent.debugCheck()) { 6984 Log.w(TAG, "==> For Service " + s.info.name); 6985 } 6986 addFilter(intent); 6987 } 6988 } 6989 6990 public final void removeService(PackageParser.Service s) { 6991 mServices.remove(s.getComponentName()); 6992 if (DEBUG_SHOW_INFO) { 6993 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6994 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6995 Log.v(TAG, " Class=" + s.info.name); 6996 } 6997 final int NI = s.intents.size(); 6998 int j; 6999 for (j=0; j<NI; j++) { 7000 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7001 if (DEBUG_SHOW_INFO) { 7002 Log.v(TAG, " IntentFilter:"); 7003 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7004 } 7005 removeFilter(intent); 7006 } 7007 } 7008 7009 @Override 7010 protected boolean allowFilterResult( 7011 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7012 ServiceInfo filterSi = filter.service.info; 7013 for (int i=dest.size()-1; i>=0; i--) { 7014 ServiceInfo destAi = dest.get(i).serviceInfo; 7015 if (destAi.name == filterSi.name 7016 && destAi.packageName == filterSi.packageName) { 7017 return false; 7018 } 7019 } 7020 return true; 7021 } 7022 7023 @Override 7024 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7025 return new PackageParser.ServiceIntentInfo[size]; 7026 } 7027 7028 @Override 7029 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7030 if (!sUserManager.exists(userId)) return true; 7031 PackageParser.Package p = filter.service.owner; 7032 if (p != null) { 7033 PackageSetting ps = (PackageSetting)p.mExtras; 7034 if (ps != null) { 7035 // System apps are never considered stopped for purposes of 7036 // filtering, because there may be no way for the user to 7037 // actually re-launch them. 7038 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7039 && ps.getStopped(userId); 7040 } 7041 } 7042 return false; 7043 } 7044 7045 @Override 7046 protected boolean isPackageForFilter(String packageName, 7047 PackageParser.ServiceIntentInfo info) { 7048 return packageName.equals(info.service.owner.packageName); 7049 } 7050 7051 @Override 7052 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7053 int match, int userId) { 7054 if (!sUserManager.exists(userId)) return null; 7055 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7056 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7057 return null; 7058 } 7059 final PackageParser.Service service = info.service; 7060 if (mSafeMode && (service.info.applicationInfo.flags 7061 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7062 return null; 7063 } 7064 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7065 if (ps == null) { 7066 return null; 7067 } 7068 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7069 ps.readUserState(userId), userId); 7070 if (si == null) { 7071 return null; 7072 } 7073 final ResolveInfo res = new ResolveInfo(); 7074 res.serviceInfo = si; 7075 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7076 res.filter = filter; 7077 } 7078 res.priority = info.getPriority(); 7079 res.preferredOrder = service.owner.mPreferredOrder; 7080 //System.out.println("Result: " + res.activityInfo.className + 7081 // " = " + res.priority); 7082 res.match = match; 7083 res.isDefault = info.hasDefault; 7084 res.labelRes = info.labelRes; 7085 res.nonLocalizedLabel = info.nonLocalizedLabel; 7086 res.icon = info.icon; 7087 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7088 return res; 7089 } 7090 7091 @Override 7092 protected void sortResults(List<ResolveInfo> results) { 7093 Collections.sort(results, mResolvePrioritySorter); 7094 } 7095 7096 @Override 7097 protected void dumpFilter(PrintWriter out, String prefix, 7098 PackageParser.ServiceIntentInfo filter) { 7099 out.print(prefix); out.print( 7100 Integer.toHexString(System.identityHashCode(filter.service))); 7101 out.print(' '); 7102 filter.service.printComponentShortName(out); 7103 out.print(" filter "); 7104 out.println(Integer.toHexString(System.identityHashCode(filter))); 7105 } 7106 7107// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7108// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7109// final List<ResolveInfo> retList = Lists.newArrayList(); 7110// while (i.hasNext()) { 7111// final ResolveInfo resolveInfo = (ResolveInfo) i; 7112// if (isEnabledLP(resolveInfo.serviceInfo)) { 7113// retList.add(resolveInfo); 7114// } 7115// } 7116// return retList; 7117// } 7118 7119 // Keys are String (activity class name), values are Activity. 7120 private final HashMap<ComponentName, PackageParser.Service> mServices 7121 = new HashMap<ComponentName, PackageParser.Service>(); 7122 private int mFlags; 7123 }; 7124 7125 private final class ProviderIntentResolver 7126 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7127 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7128 boolean defaultOnly, int userId) { 7129 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7130 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7131 } 7132 7133 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7134 int userId) { 7135 if (!sUserManager.exists(userId)) 7136 return null; 7137 mFlags = flags; 7138 return super.queryIntent(intent, resolvedType, 7139 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7140 } 7141 7142 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7143 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7144 if (!sUserManager.exists(userId)) 7145 return null; 7146 if (packageProviders == null) { 7147 return null; 7148 } 7149 mFlags = flags; 7150 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7151 final int N = packageProviders.size(); 7152 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7153 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7154 7155 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7156 for (int i = 0; i < N; ++i) { 7157 intentFilters = packageProviders.get(i).intents; 7158 if (intentFilters != null && intentFilters.size() > 0) { 7159 PackageParser.ProviderIntentInfo[] array = 7160 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7161 intentFilters.toArray(array); 7162 listCut.add(array); 7163 } 7164 } 7165 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7166 } 7167 7168 public final void addProvider(PackageParser.Provider p) { 7169 if (mProviders.containsKey(p.getComponentName())) { 7170 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7171 return; 7172 } 7173 7174 mProviders.put(p.getComponentName(), p); 7175 if (DEBUG_SHOW_INFO) { 7176 Log.v(TAG, " " 7177 + (p.info.nonLocalizedLabel != null 7178 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7179 Log.v(TAG, " Class=" + p.info.name); 7180 } 7181 final int NI = p.intents.size(); 7182 int j; 7183 for (j = 0; j < NI; j++) { 7184 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7185 if (DEBUG_SHOW_INFO) { 7186 Log.v(TAG, " IntentFilter:"); 7187 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7188 } 7189 if (!intent.debugCheck()) { 7190 Log.w(TAG, "==> For Provider " + p.info.name); 7191 } 7192 addFilter(intent); 7193 } 7194 } 7195 7196 public final void removeProvider(PackageParser.Provider p) { 7197 mProviders.remove(p.getComponentName()); 7198 if (DEBUG_SHOW_INFO) { 7199 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7200 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7201 Log.v(TAG, " Class=" + p.info.name); 7202 } 7203 final int NI = p.intents.size(); 7204 int j; 7205 for (j = 0; j < NI; j++) { 7206 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7207 if (DEBUG_SHOW_INFO) { 7208 Log.v(TAG, " IntentFilter:"); 7209 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7210 } 7211 removeFilter(intent); 7212 } 7213 } 7214 7215 @Override 7216 protected boolean allowFilterResult( 7217 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7218 ProviderInfo filterPi = filter.provider.info; 7219 for (int i = dest.size() - 1; i >= 0; i--) { 7220 ProviderInfo destPi = dest.get(i).providerInfo; 7221 if (destPi.name == filterPi.name 7222 && destPi.packageName == filterPi.packageName) { 7223 return false; 7224 } 7225 } 7226 return true; 7227 } 7228 7229 @Override 7230 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7231 return new PackageParser.ProviderIntentInfo[size]; 7232 } 7233 7234 @Override 7235 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7236 if (!sUserManager.exists(userId)) 7237 return true; 7238 PackageParser.Package p = filter.provider.owner; 7239 if (p != null) { 7240 PackageSetting ps = (PackageSetting) p.mExtras; 7241 if (ps != null) { 7242 // System apps are never considered stopped for purposes of 7243 // filtering, because there may be no way for the user to 7244 // actually re-launch them. 7245 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7246 && ps.getStopped(userId); 7247 } 7248 } 7249 return false; 7250 } 7251 7252 @Override 7253 protected boolean isPackageForFilter(String packageName, 7254 PackageParser.ProviderIntentInfo info) { 7255 return packageName.equals(info.provider.owner.packageName); 7256 } 7257 7258 @Override 7259 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7260 int match, int userId) { 7261 if (!sUserManager.exists(userId)) 7262 return null; 7263 final PackageParser.ProviderIntentInfo info = filter; 7264 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7265 return null; 7266 } 7267 final PackageParser.Provider provider = info.provider; 7268 if (mSafeMode && (provider.info.applicationInfo.flags 7269 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7270 return null; 7271 } 7272 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7273 if (ps == null) { 7274 return null; 7275 } 7276 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7277 ps.readUserState(userId), userId); 7278 if (pi == null) { 7279 return null; 7280 } 7281 final ResolveInfo res = new ResolveInfo(); 7282 res.providerInfo = pi; 7283 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7284 res.filter = filter; 7285 } 7286 res.priority = info.getPriority(); 7287 res.preferredOrder = provider.owner.mPreferredOrder; 7288 res.match = match; 7289 res.isDefault = info.hasDefault; 7290 res.labelRes = info.labelRes; 7291 res.nonLocalizedLabel = info.nonLocalizedLabel; 7292 res.icon = info.icon; 7293 res.system = isSystemApp(res.providerInfo.applicationInfo); 7294 return res; 7295 } 7296 7297 @Override 7298 protected void sortResults(List<ResolveInfo> results) { 7299 Collections.sort(results, mResolvePrioritySorter); 7300 } 7301 7302 @Override 7303 protected void dumpFilter(PrintWriter out, String prefix, 7304 PackageParser.ProviderIntentInfo filter) { 7305 out.print(prefix); 7306 out.print( 7307 Integer.toHexString(System.identityHashCode(filter.provider))); 7308 out.print(' '); 7309 filter.provider.printComponentShortName(out); 7310 out.print(" filter "); 7311 out.println(Integer.toHexString(System.identityHashCode(filter))); 7312 } 7313 7314 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7315 = new HashMap<ComponentName, PackageParser.Provider>(); 7316 private int mFlags; 7317 }; 7318 7319 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7320 new Comparator<ResolveInfo>() { 7321 public int compare(ResolveInfo r1, ResolveInfo r2) { 7322 int v1 = r1.priority; 7323 int v2 = r2.priority; 7324 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7325 if (v1 != v2) { 7326 return (v1 > v2) ? -1 : 1; 7327 } 7328 v1 = r1.preferredOrder; 7329 v2 = r2.preferredOrder; 7330 if (v1 != v2) { 7331 return (v1 > v2) ? -1 : 1; 7332 } 7333 if (r1.isDefault != r2.isDefault) { 7334 return r1.isDefault ? -1 : 1; 7335 } 7336 v1 = r1.match; 7337 v2 = r2.match; 7338 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7339 if (v1 != v2) { 7340 return (v1 > v2) ? -1 : 1; 7341 } 7342 if (r1.system != r2.system) { 7343 return r1.system ? -1 : 1; 7344 } 7345 return 0; 7346 } 7347 }; 7348 7349 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7350 new Comparator<ProviderInfo>() { 7351 public int compare(ProviderInfo p1, ProviderInfo p2) { 7352 final int v1 = p1.initOrder; 7353 final int v2 = p2.initOrder; 7354 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7355 } 7356 }; 7357 7358 static final void sendPackageBroadcast(String action, String pkg, 7359 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7360 int[] userIds) { 7361 IActivityManager am = ActivityManagerNative.getDefault(); 7362 if (am != null) { 7363 try { 7364 if (userIds == null) { 7365 userIds = am.getRunningUserIds(); 7366 } 7367 for (int id : userIds) { 7368 final Intent intent = new Intent(action, 7369 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7370 if (extras != null) { 7371 intent.putExtras(extras); 7372 } 7373 if (targetPkg != null) { 7374 intent.setPackage(targetPkg); 7375 } 7376 // Modify the UID when posting to other users 7377 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7378 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7379 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7380 intent.putExtra(Intent.EXTRA_UID, uid); 7381 } 7382 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7383 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7384 if (DEBUG_BROADCASTS) { 7385 RuntimeException here = new RuntimeException("here"); 7386 here.fillInStackTrace(); 7387 Slog.d(TAG, "Sending to user " + id + ": " 7388 + intent.toShortString(false, true, false, false) 7389 + " " + intent.getExtras(), here); 7390 } 7391 am.broadcastIntent(null, intent, null, finishedReceiver, 7392 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7393 finishedReceiver != null, false, id); 7394 } 7395 } catch (RemoteException ex) { 7396 } 7397 } 7398 } 7399 7400 /** 7401 * Check if the external storage media is available. This is true if there 7402 * is a mounted external storage medium or if the external storage is 7403 * emulated. 7404 */ 7405 private boolean isExternalMediaAvailable() { 7406 return mMediaMounted || Environment.isExternalStorageEmulated(); 7407 } 7408 7409 @Override 7410 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7411 // writer 7412 synchronized (mPackages) { 7413 if (!isExternalMediaAvailable()) { 7414 // If the external storage is no longer mounted at this point, 7415 // the caller may not have been able to delete all of this 7416 // packages files and can not delete any more. Bail. 7417 return null; 7418 } 7419 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7420 if (lastPackage != null) { 7421 pkgs.remove(lastPackage); 7422 } 7423 if (pkgs.size() > 0) { 7424 return pkgs.get(0); 7425 } 7426 } 7427 return null; 7428 } 7429 7430 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7431 if (false) { 7432 RuntimeException here = new RuntimeException("here"); 7433 here.fillInStackTrace(); 7434 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7435 + " andCode=" + andCode, here); 7436 } 7437 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7438 userId, andCode ? 1 : 0, packageName)); 7439 } 7440 7441 void startCleaningPackages() { 7442 // reader 7443 synchronized (mPackages) { 7444 if (!isExternalMediaAvailable()) { 7445 return; 7446 } 7447 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7448 return; 7449 } 7450 } 7451 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7452 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7453 IActivityManager am = ActivityManagerNative.getDefault(); 7454 if (am != null) { 7455 try { 7456 am.startService(null, intent, null, UserHandle.USER_OWNER); 7457 } catch (RemoteException e) { 7458 } 7459 } 7460 } 7461 7462 private final class AppDirObserver extends FileObserver { 7463 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7464 super(path, mask); 7465 mRootDir = path; 7466 mIsRom = isrom; 7467 mIsPrivileged = isPrivileged; 7468 } 7469 7470 public void onEvent(int event, String path) { 7471 String removedPackage = null; 7472 int removedAppId = -1; 7473 int[] removedUsers = null; 7474 String addedPackage = null; 7475 int addedAppId = -1; 7476 int[] addedUsers = null; 7477 7478 // TODO post a message to the handler to obtain serial ordering 7479 synchronized (mInstallLock) { 7480 String fullPathStr = null; 7481 File fullPath = null; 7482 if (path != null) { 7483 fullPath = new File(mRootDir, path); 7484 fullPathStr = fullPath.getPath(); 7485 } 7486 7487 if (DEBUG_APP_DIR_OBSERVER) 7488 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7489 7490 if (!isPackageFilename(path)) { 7491 if (DEBUG_APP_DIR_OBSERVER) 7492 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7493 return; 7494 } 7495 7496 // Ignore packages that are being installed or 7497 // have just been installed. 7498 if (ignoreCodePath(fullPathStr)) { 7499 return; 7500 } 7501 PackageParser.Package p = null; 7502 PackageSetting ps = null; 7503 // reader 7504 synchronized (mPackages) { 7505 p = mAppDirs.get(fullPathStr); 7506 if (p != null) { 7507 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7508 if (ps != null) { 7509 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7510 } else { 7511 removedUsers = sUserManager.getUserIds(); 7512 } 7513 } 7514 addedUsers = sUserManager.getUserIds(); 7515 } 7516 if ((event&REMOVE_EVENTS) != 0) { 7517 if (ps != null) { 7518 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7519 removePackageLI(ps, true); 7520 removedPackage = ps.name; 7521 removedAppId = ps.appId; 7522 } 7523 } 7524 7525 if ((event&ADD_EVENTS) != 0) { 7526 if (p == null) { 7527 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7528 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7529 if (mIsRom) { 7530 flags |= PackageParser.PARSE_IS_SYSTEM 7531 | PackageParser.PARSE_IS_SYSTEM_DIR; 7532 if (mIsPrivileged) { 7533 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7534 } 7535 } 7536 p = scanPackageLI(fullPath, flags, 7537 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7538 System.currentTimeMillis(), UserHandle.ALL, null); 7539 if (p != null) { 7540 /* 7541 * TODO this seems dangerous as the package may have 7542 * changed since we last acquired the mPackages 7543 * lock. 7544 */ 7545 // writer 7546 synchronized (mPackages) { 7547 updatePermissionsLPw(p.packageName, p, 7548 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7549 } 7550 addedPackage = p.applicationInfo.packageName; 7551 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7552 } 7553 } 7554 } 7555 7556 // reader 7557 synchronized (mPackages) { 7558 mSettings.writeLPr(); 7559 } 7560 } 7561 7562 if (removedPackage != null) { 7563 Bundle extras = new Bundle(1); 7564 extras.putInt(Intent.EXTRA_UID, removedAppId); 7565 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7566 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7567 extras, null, null, removedUsers); 7568 } 7569 if (addedPackage != null) { 7570 Bundle extras = new Bundle(1); 7571 extras.putInt(Intent.EXTRA_UID, addedAppId); 7572 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7573 extras, null, null, addedUsers); 7574 } 7575 } 7576 7577 private final String mRootDir; 7578 private final boolean mIsRom; 7579 private final boolean mIsPrivileged; 7580 } 7581 7582 /* 7583 * The old-style observer methods all just trampoline to the newer signature with 7584 * expanded install observer API. The older API continues to work but does not 7585 * supply the additional details of the Observer2 API. 7586 */ 7587 7588 /* Called when a downloaded package installation has been confirmed by the user */ 7589 public void installPackage( 7590 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7591 installPackageEtc(packageURI, observer, null, flags, null); 7592 } 7593 7594 /* Called when a downloaded package installation has been confirmed by the user */ 7595 @Override 7596 public void installPackage( 7597 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7598 final String installerPackageName) { 7599 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7600 installerPackageName, null, null, null); 7601 } 7602 7603 @Override 7604 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7605 int flags, String installerPackageName, Uri verificationURI, 7606 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7607 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7608 VerificationParams.NO_UID, manifestDigest); 7609 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7610 installerPackageName, verificationParams, encryptionParams); 7611 } 7612 7613 @Override 7614 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7615 IPackageInstallObserver observer, int flags, String installerPackageName, 7616 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7617 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7618 installerPackageName, verificationParams, encryptionParams); 7619 } 7620 7621 /* 7622 * And here are the "live" versions that take both observer arguments 7623 */ 7624 public void installPackageEtc( 7625 final Uri packageURI, final IPackageInstallObserver observer, 7626 IPackageInstallObserver2 observer2, final int flags) { 7627 installPackageEtc(packageURI, observer, observer2, flags, null); 7628 } 7629 7630 public void installPackageEtc( 7631 final Uri packageURI, final IPackageInstallObserver observer, 7632 final IPackageInstallObserver2 observer2, final int flags, 7633 final String installerPackageName) { 7634 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7635 installerPackageName, null, null, null); 7636 } 7637 7638 @Override 7639 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7640 IPackageInstallObserver2 observer2, 7641 int flags, String installerPackageName, Uri verificationURI, 7642 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7643 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7644 VerificationParams.NO_UID, manifestDigest); 7645 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7646 installerPackageName, verificationParams, encryptionParams); 7647 } 7648 7649 /* 7650 * All of the installPackage...*() methods redirect to this one for the master implementation 7651 */ 7652 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7653 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7654 int flags, String installerPackageName, 7655 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7656 if (observer == null && observer2 == null) { 7657 throw new IllegalArgumentException("No install observer supplied"); 7658 } 7659 installPackageWithVerificationEncryptionAndAbiOverrideEtc(packageURI, observer, observer2, 7660 flags, installerPackageName, verificationParams, encryptionParams, null); 7661 } 7662 7663 @Override 7664 public void installPackageWithVerificationEncryptionAndAbiOverrideEtc(Uri packageURI, 7665 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7666 int flags, String installerPackageName, 7667 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7668 String packageAbiOverride) { 7669 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7670 null); 7671 7672 final int uid = Binder.getCallingUid(); 7673 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7674 try { 7675 if (observer != null) { 7676 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7677 } 7678 if (observer2 != null) { 7679 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7680 } 7681 } catch (RemoteException re) { 7682 } 7683 return; 7684 } 7685 7686 UserHandle user; 7687 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7688 user = UserHandle.ALL; 7689 } else { 7690 user = new UserHandle(UserHandle.getUserId(uid)); 7691 } 7692 7693 final int filteredFlags; 7694 7695 if (uid == Process.SHELL_UID || uid == 0) { 7696 if (DEBUG_INSTALL) { 7697 Slog.v(TAG, "Install from ADB"); 7698 } 7699 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7700 } else { 7701 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7702 } 7703 7704 verificationParams.setInstallerUid(uid); 7705 7706 final Message msg = mHandler.obtainMessage(INIT_COPY); 7707 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7708 installerPackageName, verificationParams, encryptionParams, user, 7709 packageAbiOverride); 7710 mHandler.sendMessage(msg); 7711 } 7712 7713 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7714 Bundle extras = new Bundle(1); 7715 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7716 7717 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7718 packageName, extras, null, null, new int[] {userId}); 7719 try { 7720 IActivityManager am = ActivityManagerNative.getDefault(); 7721 final boolean isSystem = 7722 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7723 if (isSystem && am.isUserRunning(userId, false)) { 7724 // The just-installed/enabled app is bundled on the system, so presumed 7725 // to be able to run automatically without needing an explicit launch. 7726 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7727 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7728 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7729 .setPackage(packageName); 7730 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7731 android.app.AppOpsManager.OP_NONE, false, false, userId); 7732 } 7733 } catch (RemoteException e) { 7734 // shouldn't happen 7735 Slog.w(TAG, "Unable to bootstrap installed package", e); 7736 } 7737 } 7738 7739 @Override 7740 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7741 int userId) { 7742 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7743 PackageSetting pkgSetting; 7744 final int uid = Binder.getCallingUid(); 7745 if (UserHandle.getUserId(uid) != userId) { 7746 mContext.enforceCallingOrSelfPermission( 7747 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7748 "setApplicationBlockedSetting for user " + userId); 7749 } 7750 7751 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7752 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7753 return false; 7754 } 7755 7756 long callingId = Binder.clearCallingIdentity(); 7757 try { 7758 boolean sendAdded = false; 7759 boolean sendRemoved = false; 7760 // writer 7761 synchronized (mPackages) { 7762 pkgSetting = mSettings.mPackages.get(packageName); 7763 if (pkgSetting == null) { 7764 return false; 7765 } 7766 if (pkgSetting.getBlocked(userId) != blocked) { 7767 pkgSetting.setBlocked(blocked, userId); 7768 mSettings.writePackageRestrictionsLPr(userId); 7769 if (blocked) { 7770 sendRemoved = true; 7771 } else { 7772 sendAdded = true; 7773 } 7774 } 7775 } 7776 if (sendAdded) { 7777 sendPackageAddedForUser(packageName, pkgSetting, userId); 7778 return true; 7779 } 7780 if (sendRemoved) { 7781 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7782 "blocking pkg"); 7783 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7784 } 7785 } finally { 7786 Binder.restoreCallingIdentity(callingId); 7787 } 7788 return false; 7789 } 7790 7791 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7792 int userId) { 7793 final PackageRemovedInfo info = new PackageRemovedInfo(); 7794 info.removedPackage = packageName; 7795 info.removedUsers = new int[] {userId}; 7796 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7797 info.sendBroadcast(false, false, false); 7798 } 7799 7800 /** 7801 * Returns true if application is not found or there was an error. Otherwise it returns 7802 * the blocked state of the package for the given user. 7803 */ 7804 @Override 7805 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7806 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7807 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7808 "getApplicationBlocked for user " + userId); 7809 PackageSetting pkgSetting; 7810 long callingId = Binder.clearCallingIdentity(); 7811 try { 7812 // writer 7813 synchronized (mPackages) { 7814 pkgSetting = mSettings.mPackages.get(packageName); 7815 if (pkgSetting == null) { 7816 return true; 7817 } 7818 return pkgSetting.getBlocked(userId); 7819 } 7820 } finally { 7821 Binder.restoreCallingIdentity(callingId); 7822 } 7823 } 7824 7825 void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer, 7826 int flags) { 7827 // TODO: install stage! 7828 try { 7829 observer.packageInstalled(basePackageName, null, 7830 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7831 } catch (RemoteException ignored) { 7832 } 7833 } 7834 7835 /** 7836 * @hide 7837 */ 7838 @Override 7839 public int installExistingPackageAsUser(String packageName, int userId) { 7840 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7841 null); 7842 PackageSetting pkgSetting; 7843 final int uid = Binder.getCallingUid(); 7844 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7845 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7846 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7847 } 7848 7849 long callingId = Binder.clearCallingIdentity(); 7850 try { 7851 boolean sendAdded = false; 7852 Bundle extras = new Bundle(1); 7853 7854 // writer 7855 synchronized (mPackages) { 7856 pkgSetting = mSettings.mPackages.get(packageName); 7857 if (pkgSetting == null) { 7858 return PackageManager.INSTALL_FAILED_INVALID_URI; 7859 } 7860 if (!pkgSetting.getInstalled(userId)) { 7861 pkgSetting.setInstalled(true, userId); 7862 pkgSetting.setBlocked(false, userId); 7863 mSettings.writePackageRestrictionsLPr(userId); 7864 sendAdded = true; 7865 } 7866 } 7867 7868 if (sendAdded) { 7869 sendPackageAddedForUser(packageName, pkgSetting, userId); 7870 } 7871 } finally { 7872 Binder.restoreCallingIdentity(callingId); 7873 } 7874 7875 return PackageManager.INSTALL_SUCCEEDED; 7876 } 7877 7878 boolean isUserRestricted(int userId, String restrictionKey) { 7879 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7880 if (restrictions.getBoolean(restrictionKey, false)) { 7881 Log.w(TAG, "User is restricted: " + restrictionKey); 7882 return true; 7883 } 7884 return false; 7885 } 7886 7887 @Override 7888 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7889 mContext.enforceCallingOrSelfPermission( 7890 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7891 "Only package verification agents can verify applications"); 7892 7893 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7894 final PackageVerificationResponse response = new PackageVerificationResponse( 7895 verificationCode, Binder.getCallingUid()); 7896 msg.arg1 = id; 7897 msg.obj = response; 7898 mHandler.sendMessage(msg); 7899 } 7900 7901 @Override 7902 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7903 long millisecondsToDelay) { 7904 mContext.enforceCallingOrSelfPermission( 7905 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7906 "Only package verification agents can extend verification timeouts"); 7907 7908 final PackageVerificationState state = mPendingVerification.get(id); 7909 final PackageVerificationResponse response = new PackageVerificationResponse( 7910 verificationCodeAtTimeout, Binder.getCallingUid()); 7911 7912 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7913 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7914 } 7915 if (millisecondsToDelay < 0) { 7916 millisecondsToDelay = 0; 7917 } 7918 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7919 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7920 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7921 } 7922 7923 if ((state != null) && !state.timeoutExtended()) { 7924 state.extendTimeout(); 7925 7926 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7927 msg.arg1 = id; 7928 msg.obj = response; 7929 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7930 } 7931 } 7932 7933 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7934 int verificationCode, UserHandle user) { 7935 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7936 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7937 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7938 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7939 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7940 7941 mContext.sendBroadcastAsUser(intent, user, 7942 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7943 } 7944 7945 private ComponentName matchComponentForVerifier(String packageName, 7946 List<ResolveInfo> receivers) { 7947 ActivityInfo targetReceiver = null; 7948 7949 final int NR = receivers.size(); 7950 for (int i = 0; i < NR; i++) { 7951 final ResolveInfo info = receivers.get(i); 7952 if (info.activityInfo == null) { 7953 continue; 7954 } 7955 7956 if (packageName.equals(info.activityInfo.packageName)) { 7957 targetReceiver = info.activityInfo; 7958 break; 7959 } 7960 } 7961 7962 if (targetReceiver == null) { 7963 return null; 7964 } 7965 7966 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7967 } 7968 7969 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7970 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7971 if (pkgInfo.verifiers.length == 0) { 7972 return null; 7973 } 7974 7975 final int N = pkgInfo.verifiers.length; 7976 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7977 for (int i = 0; i < N; i++) { 7978 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7979 7980 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7981 receivers); 7982 if (comp == null) { 7983 continue; 7984 } 7985 7986 final int verifierUid = getUidForVerifier(verifierInfo); 7987 if (verifierUid == -1) { 7988 continue; 7989 } 7990 7991 if (DEBUG_VERIFY) { 7992 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7993 + " with the correct signature"); 7994 } 7995 sufficientVerifiers.add(comp); 7996 verificationState.addSufficientVerifier(verifierUid); 7997 } 7998 7999 return sufficientVerifiers; 8000 } 8001 8002 private int getUidForVerifier(VerifierInfo verifierInfo) { 8003 synchronized (mPackages) { 8004 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8005 if (pkg == null) { 8006 return -1; 8007 } else if (pkg.mSignatures.length != 1) { 8008 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8009 + " has more than one signature; ignoring"); 8010 return -1; 8011 } 8012 8013 /* 8014 * If the public key of the package's signature does not match 8015 * our expected public key, then this is a different package and 8016 * we should skip. 8017 */ 8018 8019 final byte[] expectedPublicKey; 8020 try { 8021 final Signature verifierSig = pkg.mSignatures[0]; 8022 final PublicKey publicKey = verifierSig.getPublicKey(); 8023 expectedPublicKey = publicKey.getEncoded(); 8024 } catch (CertificateException e) { 8025 return -1; 8026 } 8027 8028 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8029 8030 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8031 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8032 + " does not have the expected public key; ignoring"); 8033 return -1; 8034 } 8035 8036 return pkg.applicationInfo.uid; 8037 } 8038 } 8039 8040 @Override 8041 public void finishPackageInstall(int token) { 8042 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8043 8044 if (DEBUG_INSTALL) { 8045 Slog.v(TAG, "BM finishing package install for " + token); 8046 } 8047 8048 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8049 mHandler.sendMessage(msg); 8050 } 8051 8052 /** 8053 * Get the verification agent timeout. 8054 * 8055 * @return verification timeout in milliseconds 8056 */ 8057 private long getVerificationTimeout() { 8058 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8059 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8060 DEFAULT_VERIFICATION_TIMEOUT); 8061 } 8062 8063 /** 8064 * Get the default verification agent response code. 8065 * 8066 * @return default verification response code 8067 */ 8068 private int getDefaultVerificationResponse() { 8069 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8070 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8071 DEFAULT_VERIFICATION_RESPONSE); 8072 } 8073 8074 /** 8075 * Check whether or not package verification has been enabled. 8076 * 8077 * @return true if verification should be performed 8078 */ 8079 private boolean isVerificationEnabled(int flags) { 8080 if (!DEFAULT_VERIFY_ENABLE) { 8081 return false; 8082 } 8083 8084 // Check if installing from ADB 8085 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8086 // Do not run verification in a test harness environment 8087 if (ActivityManager.isRunningInTestHarness()) { 8088 return false; 8089 } 8090 // Check if the developer does not want package verification for ADB installs 8091 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8092 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8093 return false; 8094 } 8095 } 8096 8097 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8098 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8099 } 8100 8101 /** 8102 * Get the "allow unknown sources" setting. 8103 * 8104 * @return the current "allow unknown sources" setting 8105 */ 8106 private int getUnknownSourcesSettings() { 8107 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8108 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8109 -1); 8110 } 8111 8112 @Override 8113 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8114 final int uid = Binder.getCallingUid(); 8115 // writer 8116 synchronized (mPackages) { 8117 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8118 if (targetPackageSetting == null) { 8119 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8120 } 8121 8122 PackageSetting installerPackageSetting; 8123 if (installerPackageName != null) { 8124 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8125 if (installerPackageSetting == null) { 8126 throw new IllegalArgumentException("Unknown installer package: " 8127 + installerPackageName); 8128 } 8129 } else { 8130 installerPackageSetting = null; 8131 } 8132 8133 Signature[] callerSignature; 8134 Object obj = mSettings.getUserIdLPr(uid); 8135 if (obj != null) { 8136 if (obj instanceof SharedUserSetting) { 8137 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8138 } else if (obj instanceof PackageSetting) { 8139 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8140 } else { 8141 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8142 } 8143 } else { 8144 throw new SecurityException("Unknown calling uid " + uid); 8145 } 8146 8147 // Verify: can't set installerPackageName to a package that is 8148 // not signed with the same cert as the caller. 8149 if (installerPackageSetting != null) { 8150 if (compareSignatures(callerSignature, 8151 installerPackageSetting.signatures.mSignatures) 8152 != PackageManager.SIGNATURE_MATCH) { 8153 throw new SecurityException( 8154 "Caller does not have same cert as new installer package " 8155 + installerPackageName); 8156 } 8157 } 8158 8159 // Verify: if target already has an installer package, it must 8160 // be signed with the same cert as the caller. 8161 if (targetPackageSetting.installerPackageName != null) { 8162 PackageSetting setting = mSettings.mPackages.get( 8163 targetPackageSetting.installerPackageName); 8164 // If the currently set package isn't valid, then it's always 8165 // okay to change it. 8166 if (setting != null) { 8167 if (compareSignatures(callerSignature, 8168 setting.signatures.mSignatures) 8169 != PackageManager.SIGNATURE_MATCH) { 8170 throw new SecurityException( 8171 "Caller does not have same cert as old installer package " 8172 + targetPackageSetting.installerPackageName); 8173 } 8174 } 8175 } 8176 8177 // Okay! 8178 targetPackageSetting.installerPackageName = installerPackageName; 8179 scheduleWriteSettingsLocked(); 8180 } 8181 } 8182 8183 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8184 // Queue up an async operation since the package installation may take a little while. 8185 mHandler.post(new Runnable() { 8186 public void run() { 8187 mHandler.removeCallbacks(this); 8188 // Result object to be returned 8189 PackageInstalledInfo res = new PackageInstalledInfo(); 8190 res.returnCode = currentStatus; 8191 res.uid = -1; 8192 res.pkg = null; 8193 res.removedInfo = new PackageRemovedInfo(); 8194 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8195 args.doPreInstall(res.returnCode); 8196 synchronized (mInstallLock) { 8197 installPackageLI(args, true, res); 8198 } 8199 args.doPostInstall(res.returnCode, res.uid); 8200 } 8201 8202 // A restore should be performed at this point if (a) the install 8203 // succeeded, (b) the operation is not an update, and (c) the new 8204 // package has a backupAgent defined. 8205 final boolean update = res.removedInfo.removedPackage != null; 8206 boolean doRestore = (!update 8207 && res.pkg != null 8208 && res.pkg.applicationInfo.backupAgentName != null); 8209 8210 // Set up the post-install work request bookkeeping. This will be used 8211 // and cleaned up by the post-install event handling regardless of whether 8212 // there's a restore pass performed. Token values are >= 1. 8213 int token; 8214 if (mNextInstallToken < 0) mNextInstallToken = 1; 8215 token = mNextInstallToken++; 8216 8217 PostInstallData data = new PostInstallData(args, res); 8218 mRunningInstalls.put(token, data); 8219 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8220 8221 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8222 // Pass responsibility to the Backup Manager. It will perform a 8223 // restore if appropriate, then pass responsibility back to the 8224 // Package Manager to run the post-install observer callbacks 8225 // and broadcasts. 8226 IBackupManager bm = IBackupManager.Stub.asInterface( 8227 ServiceManager.getService(Context.BACKUP_SERVICE)); 8228 if (bm != null) { 8229 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8230 + " to BM for possible restore"); 8231 try { 8232 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8233 } catch (RemoteException e) { 8234 // can't happen; the backup manager is local 8235 } catch (Exception e) { 8236 Slog.e(TAG, "Exception trying to enqueue restore", e); 8237 doRestore = false; 8238 } 8239 } else { 8240 Slog.e(TAG, "Backup Manager not found!"); 8241 doRestore = false; 8242 } 8243 } 8244 8245 if (!doRestore) { 8246 // No restore possible, or the Backup Manager was mysteriously not 8247 // available -- just fire the post-install work request directly. 8248 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8249 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8250 mHandler.sendMessage(msg); 8251 } 8252 } 8253 }); 8254 } 8255 8256 private abstract class HandlerParams { 8257 private static final int MAX_RETRIES = 4; 8258 8259 /** 8260 * Number of times startCopy() has been attempted and had a non-fatal 8261 * error. 8262 */ 8263 private int mRetries = 0; 8264 8265 /** User handle for the user requesting the information or installation. */ 8266 private final UserHandle mUser; 8267 8268 HandlerParams(UserHandle user) { 8269 mUser = user; 8270 } 8271 8272 UserHandle getUser() { 8273 return mUser; 8274 } 8275 8276 final boolean startCopy() { 8277 boolean res; 8278 try { 8279 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8280 8281 if (++mRetries > MAX_RETRIES) { 8282 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8283 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8284 handleServiceError(); 8285 return false; 8286 } else { 8287 handleStartCopy(); 8288 res = true; 8289 } 8290 } catch (RemoteException e) { 8291 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8292 mHandler.sendEmptyMessage(MCS_RECONNECT); 8293 res = false; 8294 } 8295 handleReturnCode(); 8296 return res; 8297 } 8298 8299 final void serviceError() { 8300 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8301 handleServiceError(); 8302 handleReturnCode(); 8303 } 8304 8305 abstract void handleStartCopy() throws RemoteException; 8306 abstract void handleServiceError(); 8307 abstract void handleReturnCode(); 8308 } 8309 8310 class MeasureParams extends HandlerParams { 8311 private final PackageStats mStats; 8312 private boolean mSuccess; 8313 8314 private final IPackageStatsObserver mObserver; 8315 8316 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8317 super(new UserHandle(stats.userHandle)); 8318 mObserver = observer; 8319 mStats = stats; 8320 } 8321 8322 @Override 8323 public String toString() { 8324 return "MeasureParams{" 8325 + Integer.toHexString(System.identityHashCode(this)) 8326 + " " + mStats.packageName + "}"; 8327 } 8328 8329 @Override 8330 void handleStartCopy() throws RemoteException { 8331 synchronized (mInstallLock) { 8332 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8333 } 8334 8335 if (mSuccess) { 8336 final boolean mounted; 8337 if (Environment.isExternalStorageEmulated()) { 8338 mounted = true; 8339 } else { 8340 final String status = Environment.getExternalStorageState(); 8341 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8342 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8343 } 8344 8345 if (mounted) { 8346 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8347 8348 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8349 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8350 8351 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8352 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8353 8354 // Always subtract cache size, since it's a subdirectory 8355 mStats.externalDataSize -= mStats.externalCacheSize; 8356 8357 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8358 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8359 8360 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8361 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8362 } 8363 } 8364 } 8365 8366 @Override 8367 void handleReturnCode() { 8368 if (mObserver != null) { 8369 try { 8370 mObserver.onGetStatsCompleted(mStats, mSuccess); 8371 } catch (RemoteException e) { 8372 Slog.i(TAG, "Observer no longer exists."); 8373 } 8374 } 8375 } 8376 8377 @Override 8378 void handleServiceError() { 8379 Slog.e(TAG, "Could not measure application " + mStats.packageName 8380 + " external storage"); 8381 } 8382 } 8383 8384 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8385 throws RemoteException { 8386 long result = 0; 8387 for (File path : paths) { 8388 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8389 } 8390 return result; 8391 } 8392 8393 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8394 for (File path : paths) { 8395 try { 8396 mcs.clearDirectory(path.getAbsolutePath()); 8397 } catch (RemoteException e) { 8398 } 8399 } 8400 } 8401 8402 class InstallParams extends HandlerParams { 8403 final IPackageInstallObserver observer; 8404 final IPackageInstallObserver2 observer2; 8405 int flags; 8406 8407 private final Uri mPackageURI; 8408 final String installerPackageName; 8409 final VerificationParams verificationParams; 8410 private InstallArgs mArgs; 8411 private int mRet; 8412 private File mTempPackage; 8413 final ContainerEncryptionParams encryptionParams; 8414 final String packageAbiOverride; 8415 final String packageInstructionSetOverride; 8416 8417 InstallParams(Uri packageURI, 8418 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8419 int flags, String installerPackageName, VerificationParams verificationParams, 8420 ContainerEncryptionParams encryptionParams, UserHandle user, 8421 String packageAbiOverride) { 8422 super(user); 8423 this.mPackageURI = packageURI; 8424 this.flags = flags; 8425 this.observer = observer; 8426 this.observer2 = observer2; 8427 this.installerPackageName = installerPackageName; 8428 this.verificationParams = verificationParams; 8429 this.encryptionParams = encryptionParams; 8430 this.packageAbiOverride = packageAbiOverride; 8431 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8432 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8433 } 8434 8435 @Override 8436 public String toString() { 8437 return "InstallParams{" 8438 + Integer.toHexString(System.identityHashCode(this)) 8439 + " " + mPackageURI + "}"; 8440 } 8441 8442 public ManifestDigest getManifestDigest() { 8443 if (verificationParams == null) { 8444 return null; 8445 } 8446 return verificationParams.getManifestDigest(); 8447 } 8448 8449 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8450 String packageName = pkgLite.packageName; 8451 int installLocation = pkgLite.installLocation; 8452 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8453 // reader 8454 synchronized (mPackages) { 8455 PackageParser.Package pkg = mPackages.get(packageName); 8456 if (pkg != null) { 8457 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8458 // Check for downgrading. 8459 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8460 if (pkgLite.versionCode < pkg.mVersionCode) { 8461 Slog.w(TAG, "Can't install update of " + packageName 8462 + " update version " + pkgLite.versionCode 8463 + " is older than installed version " 8464 + pkg.mVersionCode); 8465 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8466 } 8467 } 8468 // Check for updated system application. 8469 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8470 if (onSd) { 8471 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8472 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8473 } 8474 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8475 } else { 8476 if (onSd) { 8477 // Install flag overrides everything. 8478 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8479 } 8480 // If current upgrade specifies particular preference 8481 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8482 // Application explicitly specified internal. 8483 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8484 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8485 // App explictly prefers external. Let policy decide 8486 } else { 8487 // Prefer previous location 8488 if (isExternal(pkg)) { 8489 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8490 } 8491 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8492 } 8493 } 8494 } else { 8495 // Invalid install. Return error code 8496 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8497 } 8498 } 8499 } 8500 // All the special cases have been taken care of. 8501 // Return result based on recommended install location. 8502 if (onSd) { 8503 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8504 } 8505 return pkgLite.recommendedInstallLocation; 8506 } 8507 8508 private long getMemoryLowThreshold() { 8509 final DeviceStorageMonitorInternal 8510 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8511 if (dsm == null) { 8512 return 0L; 8513 } 8514 return dsm.getMemoryLowThreshold(); 8515 } 8516 8517 /* 8518 * Invoke remote method to get package information and install 8519 * location values. Override install location based on default 8520 * policy if needed and then create install arguments based 8521 * on the install location. 8522 */ 8523 public void handleStartCopy() throws RemoteException { 8524 int ret = PackageManager.INSTALL_SUCCEEDED; 8525 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8526 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8527 PackageInfoLite pkgLite = null; 8528 8529 if (onInt && onSd) { 8530 // Check if both bits are set. 8531 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8532 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8533 } else { 8534 final long lowThreshold = getMemoryLowThreshold(); 8535 if (lowThreshold == 0L) { 8536 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8537 } 8538 8539 try { 8540 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8541 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8542 8543 final File packageFile; 8544 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8545 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8546 if (mTempPackage != null) { 8547 ParcelFileDescriptor out; 8548 try { 8549 out = ParcelFileDescriptor.open(mTempPackage, 8550 ParcelFileDescriptor.MODE_READ_WRITE); 8551 } catch (FileNotFoundException e) { 8552 out = null; 8553 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8554 } 8555 8556 // Make a temporary file for decryption. 8557 ret = mContainerService 8558 .copyResource(mPackageURI, encryptionParams, out); 8559 IoUtils.closeQuietly(out); 8560 8561 packageFile = mTempPackage; 8562 8563 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8564 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8565 | FileUtils.S_IROTH, 8566 -1, -1); 8567 } else { 8568 packageFile = null; 8569 } 8570 } else { 8571 packageFile = new File(mPackageURI.getPath()); 8572 } 8573 8574 if (packageFile != null) { 8575 // Remote call to find out default install location 8576 final String packageFilePath = packageFile.getAbsolutePath(); 8577 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8578 lowThreshold, packageAbiOverride); 8579 8580 /* 8581 * If we have too little free space, try to free cache 8582 * before giving up. 8583 */ 8584 if (pkgLite.recommendedInstallLocation 8585 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8586 final long size = mContainerService.calculateInstalledSize( 8587 packageFilePath, isForwardLocked(), packageAbiOverride); 8588 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8589 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8590 flags, lowThreshold, packageAbiOverride); 8591 } 8592 /* 8593 * The cache free must have deleted the file we 8594 * downloaded to install. 8595 * 8596 * TODO: fix the "freeCache" call to not delete 8597 * the file we care about. 8598 */ 8599 if (pkgLite.recommendedInstallLocation 8600 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8601 pkgLite.recommendedInstallLocation 8602 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8603 } 8604 } 8605 } 8606 } finally { 8607 mContext.revokeUriPermission(mPackageURI, 8608 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8609 } 8610 } 8611 8612 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8613 int loc = pkgLite.recommendedInstallLocation; 8614 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8615 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8616 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8617 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8618 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8619 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8620 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8621 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8622 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8623 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8624 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8625 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8626 } else { 8627 // Override with defaults if needed. 8628 loc = installLocationPolicy(pkgLite, flags); 8629 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8630 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8631 } else if (!onSd && !onInt) { 8632 // Override install location with flags 8633 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8634 // Set the flag to install on external media. 8635 flags |= PackageManager.INSTALL_EXTERNAL; 8636 flags &= ~PackageManager.INSTALL_INTERNAL; 8637 } else { 8638 // Make sure the flag for installing on external 8639 // media is unset 8640 flags |= PackageManager.INSTALL_INTERNAL; 8641 flags &= ~PackageManager.INSTALL_EXTERNAL; 8642 } 8643 } 8644 } 8645 } 8646 8647 final InstallArgs args = createInstallArgs(this); 8648 mArgs = args; 8649 8650 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8651 /* 8652 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8653 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8654 */ 8655 int userIdentifier = getUser().getIdentifier(); 8656 if (userIdentifier == UserHandle.USER_ALL 8657 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8658 userIdentifier = UserHandle.USER_OWNER; 8659 } 8660 8661 /* 8662 * Determine if we have any installed package verifiers. If we 8663 * do, then we'll defer to them to verify the packages. 8664 */ 8665 final int requiredUid = mRequiredVerifierPackage == null ? -1 8666 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8667 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8668 final Intent verification = new Intent( 8669 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8670 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8671 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8672 8673 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8674 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8675 0 /* TODO: Which userId? */); 8676 8677 if (DEBUG_VERIFY) { 8678 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8679 + verification.toString() + " with " + pkgLite.verifiers.length 8680 + " optional verifiers"); 8681 } 8682 8683 final int verificationId = mPendingVerificationToken++; 8684 8685 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8686 8687 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8688 installerPackageName); 8689 8690 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8691 8692 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8693 pkgLite.packageName); 8694 8695 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8696 pkgLite.versionCode); 8697 8698 if (verificationParams != null) { 8699 if (verificationParams.getVerificationURI() != null) { 8700 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8701 verificationParams.getVerificationURI()); 8702 } 8703 if (verificationParams.getOriginatingURI() != null) { 8704 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8705 verificationParams.getOriginatingURI()); 8706 } 8707 if (verificationParams.getReferrer() != null) { 8708 verification.putExtra(Intent.EXTRA_REFERRER, 8709 verificationParams.getReferrer()); 8710 } 8711 if (verificationParams.getOriginatingUid() >= 0) { 8712 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8713 verificationParams.getOriginatingUid()); 8714 } 8715 if (verificationParams.getInstallerUid() >= 0) { 8716 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8717 verificationParams.getInstallerUid()); 8718 } 8719 } 8720 8721 final PackageVerificationState verificationState = new PackageVerificationState( 8722 requiredUid, args); 8723 8724 mPendingVerification.append(verificationId, verificationState); 8725 8726 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8727 receivers, verificationState); 8728 8729 /* 8730 * If any sufficient verifiers were listed in the package 8731 * manifest, attempt to ask them. 8732 */ 8733 if (sufficientVerifiers != null) { 8734 final int N = sufficientVerifiers.size(); 8735 if (N == 0) { 8736 Slog.i(TAG, "Additional verifiers required, but none installed."); 8737 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8738 } else { 8739 for (int i = 0; i < N; i++) { 8740 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8741 8742 final Intent sufficientIntent = new Intent(verification); 8743 sufficientIntent.setComponent(verifierComponent); 8744 8745 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8746 } 8747 } 8748 } 8749 8750 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8751 mRequiredVerifierPackage, receivers); 8752 if (ret == PackageManager.INSTALL_SUCCEEDED 8753 && mRequiredVerifierPackage != null) { 8754 /* 8755 * Send the intent to the required verification agent, 8756 * but only start the verification timeout after the 8757 * target BroadcastReceivers have run. 8758 */ 8759 verification.setComponent(requiredVerifierComponent); 8760 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8761 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8762 new BroadcastReceiver() { 8763 @Override 8764 public void onReceive(Context context, Intent intent) { 8765 final Message msg = mHandler 8766 .obtainMessage(CHECK_PENDING_VERIFICATION); 8767 msg.arg1 = verificationId; 8768 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8769 } 8770 }, null, 0, null, null); 8771 8772 /* 8773 * We don't want the copy to proceed until verification 8774 * succeeds, so null out this field. 8775 */ 8776 mArgs = null; 8777 } 8778 } else { 8779 /* 8780 * No package verification is enabled, so immediately start 8781 * the remote call to initiate copy using temporary file. 8782 */ 8783 ret = args.copyApk(mContainerService, true); 8784 } 8785 } 8786 8787 mRet = ret; 8788 } 8789 8790 @Override 8791 void handleReturnCode() { 8792 // If mArgs is null, then MCS couldn't be reached. When it 8793 // reconnects, it will try again to install. At that point, this 8794 // will succeed. 8795 if (mArgs != null) { 8796 processPendingInstall(mArgs, mRet); 8797 8798 if (mTempPackage != null) { 8799 if (!mTempPackage.delete()) { 8800 Slog.w(TAG, "Couldn't delete temporary file: " + 8801 mTempPackage.getAbsolutePath()); 8802 } 8803 } 8804 } 8805 } 8806 8807 @Override 8808 void handleServiceError() { 8809 mArgs = createInstallArgs(this); 8810 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8811 } 8812 8813 public boolean isForwardLocked() { 8814 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8815 } 8816 8817 public Uri getPackageUri() { 8818 if (mTempPackage != null) { 8819 return Uri.fromFile(mTempPackage); 8820 } else { 8821 return mPackageURI; 8822 } 8823 } 8824 } 8825 8826 /* 8827 * Utility class used in movePackage api. 8828 * srcArgs and targetArgs are not set for invalid flags and make 8829 * sure to do null checks when invoking methods on them. 8830 * We probably want to return ErrorPrams for both failed installs 8831 * and moves. 8832 */ 8833 class MoveParams extends HandlerParams { 8834 final IPackageMoveObserver observer; 8835 final int flags; 8836 final String packageName; 8837 final InstallArgs srcArgs; 8838 final InstallArgs targetArgs; 8839 int uid; 8840 int mRet; 8841 8842 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8843 String packageName, String dataDir, String instructionSet, 8844 int uid, UserHandle user) { 8845 super(user); 8846 this.srcArgs = srcArgs; 8847 this.observer = observer; 8848 this.flags = flags; 8849 this.packageName = packageName; 8850 this.uid = uid; 8851 if (srcArgs != null) { 8852 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8853 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8854 } else { 8855 targetArgs = null; 8856 } 8857 } 8858 8859 @Override 8860 public String toString() { 8861 return "MoveParams{" 8862 + Integer.toHexString(System.identityHashCode(this)) 8863 + " " + packageName + "}"; 8864 } 8865 8866 public void handleStartCopy() throws RemoteException { 8867 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8868 // Check for storage space on target medium 8869 if (!targetArgs.checkFreeStorage(mContainerService)) { 8870 Log.w(TAG, "Insufficient storage to install"); 8871 return; 8872 } 8873 8874 mRet = srcArgs.doPreCopy(); 8875 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8876 return; 8877 } 8878 8879 mRet = targetArgs.copyApk(mContainerService, false); 8880 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8881 srcArgs.doPostCopy(uid); 8882 return; 8883 } 8884 8885 mRet = srcArgs.doPostCopy(uid); 8886 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8887 return; 8888 } 8889 8890 mRet = targetArgs.doPreInstall(mRet); 8891 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8892 return; 8893 } 8894 8895 if (DEBUG_SD_INSTALL) { 8896 StringBuilder builder = new StringBuilder(); 8897 if (srcArgs != null) { 8898 builder.append("src: "); 8899 builder.append(srcArgs.getCodePath()); 8900 } 8901 if (targetArgs != null) { 8902 builder.append(" target : "); 8903 builder.append(targetArgs.getCodePath()); 8904 } 8905 Log.i(TAG, builder.toString()); 8906 } 8907 } 8908 8909 @Override 8910 void handleReturnCode() { 8911 targetArgs.doPostInstall(mRet, uid); 8912 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8913 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8914 currentStatus = PackageManager.MOVE_SUCCEEDED; 8915 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8916 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8917 } 8918 processPendingMove(this, currentStatus); 8919 } 8920 8921 @Override 8922 void handleServiceError() { 8923 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8924 } 8925 } 8926 8927 /** 8928 * Used during creation of InstallArgs 8929 * 8930 * @param flags package installation flags 8931 * @return true if should be installed on external storage 8932 */ 8933 private static boolean installOnSd(int flags) { 8934 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8935 return false; 8936 } 8937 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8938 return true; 8939 } 8940 return false; 8941 } 8942 8943 /** 8944 * Used during creation of InstallArgs 8945 * 8946 * @param flags package installation flags 8947 * @return true if should be installed as forward locked 8948 */ 8949 private static boolean installForwardLocked(int flags) { 8950 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8951 } 8952 8953 private InstallArgs createInstallArgs(InstallParams params) { 8954 if (installOnSd(params.flags) || params.isForwardLocked()) { 8955 return new AsecInstallArgs(params); 8956 } else { 8957 return new FileInstallArgs(params); 8958 } 8959 } 8960 8961 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8962 String nativeLibraryPath, String instructionSet) { 8963 final boolean isInAsec; 8964 if (installOnSd(flags)) { 8965 /* Apps on SD card are always in ASEC containers. */ 8966 isInAsec = true; 8967 } else if (installForwardLocked(flags) 8968 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8969 /* 8970 * Forward-locked apps are only in ASEC containers if they're the 8971 * new style 8972 */ 8973 isInAsec = true; 8974 } else { 8975 isInAsec = false; 8976 } 8977 8978 if (isInAsec) { 8979 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8980 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8981 } else { 8982 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8983 instructionSet); 8984 } 8985 } 8986 8987 // Used by package mover 8988 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8989 String instructionSet) { 8990 if (installOnSd(flags) || installForwardLocked(flags)) { 8991 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8992 + AsecInstallArgs.RES_FILE_NAME); 8993 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8994 installForwardLocked(flags)); 8995 } else { 8996 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8997 } 8998 } 8999 9000 static abstract class InstallArgs { 9001 final IPackageInstallObserver observer; 9002 final IPackageInstallObserver2 observer2; 9003 // Always refers to PackageManager flags only 9004 final int flags; 9005 final Uri packageURI; 9006 final String installerPackageName; 9007 final ManifestDigest manifestDigest; 9008 final UserHandle user; 9009 final String instructionSet; 9010 final String abiOverride; 9011 9012 InstallArgs(Uri packageURI, 9013 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 9014 int flags, String installerPackageName, ManifestDigest manifestDigest, 9015 UserHandle user, String instructionSet, String abiOverride) { 9016 this.packageURI = packageURI; 9017 this.flags = flags; 9018 this.observer = observer; 9019 this.observer2 = observer2; 9020 this.installerPackageName = installerPackageName; 9021 this.manifestDigest = manifestDigest; 9022 this.user = user; 9023 this.instructionSet = instructionSet; 9024 this.abiOverride = abiOverride; 9025 } 9026 9027 abstract void createCopyFile(); 9028 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9029 abstract int doPreInstall(int status); 9030 abstract boolean doRename(int status, String pkgName, String oldCodePath); 9031 9032 abstract int doPostInstall(int status, int uid); 9033 abstract String getCodePath(); 9034 abstract String getResourcePath(); 9035 abstract String getNativeLibraryPath(); 9036 // Need installer lock especially for dex file removal. 9037 abstract void cleanUpResourcesLI(); 9038 abstract boolean doPostDeleteLI(boolean delete); 9039 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9040 9041 String[] getSplitCodePaths() { 9042 return null; 9043 } 9044 9045 /** 9046 * Called before the source arguments are copied. This is used mostly 9047 * for MoveParams when it needs to read the source file to put it in the 9048 * destination. 9049 */ 9050 int doPreCopy() { 9051 return PackageManager.INSTALL_SUCCEEDED; 9052 } 9053 9054 /** 9055 * Called after the source arguments are copied. This is used mostly for 9056 * MoveParams when it needs to read the source file to put it in the 9057 * destination. 9058 * 9059 * @return 9060 */ 9061 int doPostCopy(int uid) { 9062 return PackageManager.INSTALL_SUCCEEDED; 9063 } 9064 9065 protected boolean isFwdLocked() { 9066 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9067 } 9068 9069 UserHandle getUser() { 9070 return user; 9071 } 9072 } 9073 9074 class FileInstallArgs extends InstallArgs { 9075 File installDir; 9076 String codeFileName; 9077 String resourceFileName; 9078 String libraryPath; 9079 boolean created = false; 9080 9081 FileInstallArgs(InstallParams params) { 9082 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9083 params.installerPackageName, params.getManifestDigest(), 9084 params.getUser(), params.packageInstructionSetOverride, 9085 params.packageAbiOverride); 9086 } 9087 9088 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9089 String instructionSet) { 9090 super(null, null, null, 0, null, null, null, instructionSet, null); 9091 File codeFile = new File(fullCodePath); 9092 installDir = codeFile.getParentFile(); 9093 codeFileName = fullCodePath; 9094 resourceFileName = fullResourcePath; 9095 libraryPath = nativeLibraryPath; 9096 } 9097 9098 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 9099 super(packageURI, null, null, 0, null, null, null, instructionSet, null); 9100 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9101 String apkName = getNextCodePath(null, pkgName, ".apk"); 9102 codeFileName = new File(installDir, apkName + ".apk").getPath(); 9103 resourceFileName = getResourcePathFromCodePath(); 9104 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 9105 } 9106 9107 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9108 final long lowThreshold; 9109 9110 final DeviceStorageMonitorInternal 9111 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9112 if (dsm == null) { 9113 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9114 lowThreshold = 0L; 9115 } else { 9116 if (dsm.isMemoryLow()) { 9117 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9118 return false; 9119 } 9120 9121 lowThreshold = dsm.getMemoryLowThreshold(); 9122 } 9123 9124 try { 9125 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9126 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9127 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9128 } finally { 9129 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9130 } 9131 } 9132 9133 void createCopyFile() { 9134 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9135 codeFileName = createTempPackageFile(installDir).getPath(); 9136 resourceFileName = getResourcePathFromCodePath(); 9137 libraryPath = getLibraryPathFromCodePath(); 9138 created = true; 9139 } 9140 9141 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9142 if (temp) { 9143 // Generate temp file name 9144 createCopyFile(); 9145 } 9146 // Get a ParcelFileDescriptor to write to the output file 9147 File codeFile = new File(codeFileName); 9148 if (!created) { 9149 try { 9150 codeFile.createNewFile(); 9151 // Set permissions 9152 if (!setPermissions()) { 9153 // Failed setting permissions. 9154 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9155 } 9156 } catch (IOException e) { 9157 Slog.w(TAG, "Failed to create file " + codeFile); 9158 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9159 } 9160 } 9161 ParcelFileDescriptor out = null; 9162 try { 9163 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9164 } catch (FileNotFoundException e) { 9165 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9166 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9167 } 9168 // Copy the resource now 9169 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9170 try { 9171 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9172 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9173 ret = imcs.copyResource(packageURI, null, out); 9174 } finally { 9175 IoUtils.closeQuietly(out); 9176 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9177 } 9178 9179 if (isFwdLocked()) { 9180 final File destResourceFile = new File(getResourcePath()); 9181 9182 // Copy the public files 9183 try { 9184 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9185 } catch (IOException e) { 9186 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9187 + " forward-locked app."); 9188 destResourceFile.delete(); 9189 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9190 } 9191 } 9192 9193 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9194 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9195 if (nativeLibraryFile.exists()) { 9196 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9197 nativeLibraryFile.delete(); 9198 } 9199 9200 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(codeFile); 9201 String[] abiList = (abiOverride != null) ? 9202 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9203 try { 9204 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 9205 abiOverride == null && 9206 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9207 abiList = Build.SUPPORTED_32_BIT_ABIS; 9208 } 9209 9210 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 9211 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9212 return copyRet; 9213 } 9214 } catch (IOException e) { 9215 Slog.e(TAG, "Copying native libraries failed", e); 9216 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9217 } finally { 9218 handle.close(); 9219 } 9220 9221 return ret; 9222 } 9223 9224 int doPreInstall(int status) { 9225 if (status != PackageManager.INSTALL_SUCCEEDED) { 9226 cleanUp(); 9227 } 9228 return status; 9229 } 9230 9231 boolean doRename(int status, final String pkgName, String oldCodePath) { 9232 if (status != PackageManager.INSTALL_SUCCEEDED) { 9233 cleanUp(); 9234 return false; 9235 } else { 9236 final File oldCodeFile = new File(getCodePath()); 9237 final File oldResourceFile = new File(getResourcePath()); 9238 final File oldLibraryFile = new File(getNativeLibraryPath()); 9239 9240 // Rename APK file based on packageName 9241 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9242 final File newCodeFile = new File(installDir, apkName + ".apk"); 9243 if (!oldCodeFile.renameTo(newCodeFile)) { 9244 return false; 9245 } 9246 codeFileName = newCodeFile.getPath(); 9247 9248 // Rename public resource file if it's forward-locked. 9249 final File newResFile = new File(getResourcePathFromCodePath()); 9250 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9251 return false; 9252 } 9253 resourceFileName = newResFile.getPath(); 9254 9255 // Rename library path 9256 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9257 if (newLibraryFile.exists()) { 9258 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9259 newLibraryFile.delete(); 9260 } 9261 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9262 Slog.e(TAG, "Cannot rename native library directory " 9263 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9264 return false; 9265 } 9266 libraryPath = newLibraryFile.getPath(); 9267 9268 // Attempt to set permissions 9269 if (!setPermissions()) { 9270 return false; 9271 } 9272 9273 if (!SELinux.restorecon(newCodeFile)) { 9274 return false; 9275 } 9276 9277 return true; 9278 } 9279 } 9280 9281 int doPostInstall(int status, int uid) { 9282 if (status != PackageManager.INSTALL_SUCCEEDED) { 9283 cleanUp(); 9284 } 9285 return status; 9286 } 9287 9288 private String getResourcePathFromCodePath() { 9289 final String codePath = getCodePath(); 9290 if (isFwdLocked()) { 9291 final StringBuilder sb = new StringBuilder(); 9292 9293 sb.append(mAppInstallDir.getPath()); 9294 sb.append('/'); 9295 sb.append(getApkName(codePath)); 9296 sb.append(".zip"); 9297 9298 /* 9299 * If our APK is a temporary file, mark the resource as a 9300 * temporary file as well so it can be cleaned up after 9301 * catastrophic failure. 9302 */ 9303 if (codePath.endsWith(".tmp")) { 9304 sb.append(".tmp"); 9305 } 9306 9307 return sb.toString(); 9308 } else { 9309 return codePath; 9310 } 9311 } 9312 9313 private String getLibraryPathFromCodePath() { 9314 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9315 } 9316 9317 @Override 9318 String getCodePath() { 9319 return codeFileName; 9320 } 9321 9322 @Override 9323 String getResourcePath() { 9324 return resourceFileName; 9325 } 9326 9327 @Override 9328 String getNativeLibraryPath() { 9329 if (libraryPath == null) { 9330 libraryPath = getLibraryPathFromCodePath(); 9331 } 9332 return libraryPath; 9333 } 9334 9335 private boolean cleanUp() { 9336 boolean ret = true; 9337 String sourceDir = getCodePath(); 9338 String publicSourceDir = getResourcePath(); 9339 if (sourceDir != null) { 9340 File sourceFile = new File(sourceDir); 9341 if (!sourceFile.exists()) { 9342 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9343 ret = false; 9344 } 9345 // Delete application's code and resources 9346 sourceFile.delete(); 9347 } 9348 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9349 final File publicSourceFile = new File(publicSourceDir); 9350 if (!publicSourceFile.exists()) { 9351 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9352 } 9353 if (publicSourceFile.exists()) { 9354 publicSourceFile.delete(); 9355 } 9356 } 9357 9358 if (libraryPath != null) { 9359 File nativeLibraryFile = new File(libraryPath); 9360 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9361 if (!nativeLibraryFile.delete()) { 9362 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9363 } 9364 } 9365 9366 return ret; 9367 } 9368 9369 void cleanUpResourcesLI() { 9370 String sourceDir = getCodePath(); 9371 if (cleanUp()) { 9372 if (instructionSet == null) { 9373 throw new IllegalStateException("instructionSet == null"); 9374 } 9375 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9376 if (retCode < 0) { 9377 Slog.w(TAG, "Couldn't remove dex file for package: " 9378 + " at location " 9379 + sourceDir + ", retcode=" + retCode); 9380 // we don't consider this to be a failure of the core package deletion 9381 } 9382 } 9383 } 9384 9385 private boolean setPermissions() { 9386 // TODO Do this in a more elegant way later on. for now just a hack 9387 if (!isFwdLocked()) { 9388 final int filePermissions = 9389 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9390 |FileUtils.S_IROTH; 9391 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9392 if (retCode != 0) { 9393 Slog.e(TAG, "Couldn't set new package file permissions for " + 9394 getCodePath() 9395 + ". The return code was: " + retCode); 9396 // TODO Define new internal error 9397 return false; 9398 } 9399 return true; 9400 } 9401 return true; 9402 } 9403 9404 boolean doPostDeleteLI(boolean delete) { 9405 // XXX err, shouldn't we respect the delete flag? 9406 cleanUpResourcesLI(); 9407 return true; 9408 } 9409 } 9410 9411 private boolean isAsecExternal(String cid) { 9412 final String asecPath = PackageHelper.getSdFilesystem(cid); 9413 return !asecPath.startsWith(mAsecInternalPath); 9414 } 9415 9416 /** 9417 * Extract the MountService "container ID" from the full code path of an 9418 * .apk. 9419 */ 9420 static String cidFromCodePath(String fullCodePath) { 9421 int eidx = fullCodePath.lastIndexOf("/"); 9422 String subStr1 = fullCodePath.substring(0, eidx); 9423 int sidx = subStr1.lastIndexOf("/"); 9424 return subStr1.substring(sidx+1, eidx); 9425 } 9426 9427 class AsecInstallArgs extends InstallArgs { 9428 static final String RES_FILE_NAME = "pkg.apk"; 9429 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9430 9431 String cid; 9432 String packagePath; 9433 String resourcePath; 9434 String libraryPath; 9435 9436 AsecInstallArgs(InstallParams params) { 9437 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9438 params.installerPackageName, params.getManifestDigest(), 9439 params.getUser(), params.packageInstructionSetOverride, 9440 params.packageAbiOverride); 9441 } 9442 9443 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9444 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9445 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9446 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9447 null, null, null, instructionSet, null); 9448 // Extract cid from fullCodePath 9449 int eidx = fullCodePath.lastIndexOf("/"); 9450 String subStr1 = fullCodePath.substring(0, eidx); 9451 int sidx = subStr1.lastIndexOf("/"); 9452 cid = subStr1.substring(sidx+1, eidx); 9453 setCachePath(subStr1); 9454 } 9455 9456 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9457 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9458 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9459 null, null, null, instructionSet, null); 9460 this.cid = cid; 9461 setCachePath(PackageHelper.getSdDir(cid)); 9462 } 9463 9464 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9465 boolean isExternal, boolean isForwardLocked) { 9466 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9467 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9468 null, null, null, instructionSet, null); 9469 this.cid = cid; 9470 } 9471 9472 void createCopyFile() { 9473 cid = getTempContainerId(); 9474 } 9475 9476 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9477 try { 9478 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9479 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9480 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9481 } finally { 9482 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9483 } 9484 } 9485 9486 private final boolean isExternal() { 9487 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9488 } 9489 9490 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9491 if (temp) { 9492 createCopyFile(); 9493 } else { 9494 /* 9495 * Pre-emptively destroy the container since it's destroyed if 9496 * copying fails due to it existing anyway. 9497 */ 9498 PackageHelper.destroySdDir(cid); 9499 } 9500 9501 final String newCachePath; 9502 try { 9503 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9504 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9505 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9506 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9507 abiOverride); 9508 } finally { 9509 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9510 } 9511 9512 if (newCachePath != null) { 9513 setCachePath(newCachePath); 9514 return PackageManager.INSTALL_SUCCEEDED; 9515 } else { 9516 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9517 } 9518 } 9519 9520 @Override 9521 String getCodePath() { 9522 return packagePath; 9523 } 9524 9525 @Override 9526 String getResourcePath() { 9527 return resourcePath; 9528 } 9529 9530 @Override 9531 String getNativeLibraryPath() { 9532 return libraryPath; 9533 } 9534 9535 int doPreInstall(int status) { 9536 if (status != PackageManager.INSTALL_SUCCEEDED) { 9537 // Destroy container 9538 PackageHelper.destroySdDir(cid); 9539 } else { 9540 boolean mounted = PackageHelper.isContainerMounted(cid); 9541 if (!mounted) { 9542 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9543 Process.SYSTEM_UID); 9544 if (newCachePath != null) { 9545 setCachePath(newCachePath); 9546 } else { 9547 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9548 } 9549 } 9550 } 9551 return status; 9552 } 9553 9554 boolean doRename(int status, final String pkgName, 9555 String oldCodePath) { 9556 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9557 String newCachePath = null; 9558 if (PackageHelper.isContainerMounted(cid)) { 9559 // Unmount the container 9560 if (!PackageHelper.unMountSdDir(cid)) { 9561 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9562 return false; 9563 } 9564 } 9565 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9566 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9567 " which might be stale. Will try to clean up."); 9568 // Clean up the stale container and proceed to recreate. 9569 if (!PackageHelper.destroySdDir(newCacheId)) { 9570 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9571 return false; 9572 } 9573 // Successfully cleaned up stale container. Try to rename again. 9574 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9575 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9576 + " inspite of cleaning it up."); 9577 return false; 9578 } 9579 } 9580 if (!PackageHelper.isContainerMounted(newCacheId)) { 9581 Slog.w(TAG, "Mounting container " + newCacheId); 9582 newCachePath = PackageHelper.mountSdDir(newCacheId, 9583 getEncryptKey(), Process.SYSTEM_UID); 9584 } else { 9585 newCachePath = PackageHelper.getSdDir(newCacheId); 9586 } 9587 if (newCachePath == null) { 9588 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9589 return false; 9590 } 9591 Log.i(TAG, "Succesfully renamed " + cid + 9592 " to " + newCacheId + 9593 " at new path: " + newCachePath); 9594 cid = newCacheId; 9595 setCachePath(newCachePath); 9596 return true; 9597 } 9598 9599 private void setCachePath(String newCachePath) { 9600 File cachePath = new File(newCachePath); 9601 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9602 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9603 9604 if (isFwdLocked()) { 9605 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9606 } else { 9607 resourcePath = packagePath; 9608 } 9609 } 9610 9611 int doPostInstall(int status, int uid) { 9612 if (status != PackageManager.INSTALL_SUCCEEDED) { 9613 cleanUp(); 9614 } else { 9615 final int groupOwner; 9616 final String protectedFile; 9617 if (isFwdLocked()) { 9618 groupOwner = UserHandle.getSharedAppGid(uid); 9619 protectedFile = RES_FILE_NAME; 9620 } else { 9621 groupOwner = -1; 9622 protectedFile = null; 9623 } 9624 9625 if (uid < Process.FIRST_APPLICATION_UID 9626 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9627 Slog.e(TAG, "Failed to finalize " + cid); 9628 PackageHelper.destroySdDir(cid); 9629 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9630 } 9631 9632 boolean mounted = PackageHelper.isContainerMounted(cid); 9633 if (!mounted) { 9634 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9635 } 9636 } 9637 return status; 9638 } 9639 9640 private void cleanUp() { 9641 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9642 9643 // Destroy secure container 9644 PackageHelper.destroySdDir(cid); 9645 } 9646 9647 void cleanUpResourcesLI() { 9648 String sourceFile = getCodePath(); 9649 // Remove dex file 9650 if (instructionSet == null) { 9651 throw new IllegalStateException("instructionSet == null"); 9652 } 9653 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9654 if (retCode < 0) { 9655 Slog.w(TAG, "Couldn't remove dex file for package: " 9656 + " at location " 9657 + sourceFile.toString() + ", retcode=" + retCode); 9658 // we don't consider this to be a failure of the core package deletion 9659 } 9660 cleanUp(); 9661 } 9662 9663 boolean matchContainer(String app) { 9664 if (cid.startsWith(app)) { 9665 return true; 9666 } 9667 return false; 9668 } 9669 9670 String getPackageName() { 9671 return getAsecPackageName(cid); 9672 } 9673 9674 boolean doPostDeleteLI(boolean delete) { 9675 boolean ret = false; 9676 boolean mounted = PackageHelper.isContainerMounted(cid); 9677 if (mounted) { 9678 // Unmount first 9679 ret = PackageHelper.unMountSdDir(cid); 9680 } 9681 if (ret && delete) { 9682 cleanUpResourcesLI(); 9683 } 9684 return ret; 9685 } 9686 9687 @Override 9688 int doPreCopy() { 9689 if (isFwdLocked()) { 9690 if (!PackageHelper.fixSdPermissions(cid, 9691 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9692 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9693 } 9694 } 9695 9696 return PackageManager.INSTALL_SUCCEEDED; 9697 } 9698 9699 @Override 9700 int doPostCopy(int uid) { 9701 if (isFwdLocked()) { 9702 if (uid < Process.FIRST_APPLICATION_UID 9703 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9704 RES_FILE_NAME)) { 9705 Slog.e(TAG, "Failed to finalize " + cid); 9706 PackageHelper.destroySdDir(cid); 9707 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9708 } 9709 } 9710 9711 return PackageManager.INSTALL_SUCCEEDED; 9712 } 9713 } 9714 9715 static String getAsecPackageName(String packageCid) { 9716 int idx = packageCid.lastIndexOf("-"); 9717 if (idx == -1) { 9718 return packageCid; 9719 } 9720 return packageCid.substring(0, idx); 9721 } 9722 9723 // Utility method used to create code paths based on package name and available index. 9724 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9725 String idxStr = ""; 9726 int idx = 1; 9727 // Fall back to default value of idx=1 if prefix is not 9728 // part of oldCodePath 9729 if (oldCodePath != null) { 9730 String subStr = oldCodePath; 9731 // Drop the suffix right away 9732 if (subStr.endsWith(suffix)) { 9733 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9734 } 9735 // If oldCodePath already contains prefix find out the 9736 // ending index to either increment or decrement. 9737 int sidx = subStr.lastIndexOf(prefix); 9738 if (sidx != -1) { 9739 subStr = subStr.substring(sidx + prefix.length()); 9740 if (subStr != null) { 9741 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9742 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9743 } 9744 try { 9745 idx = Integer.parseInt(subStr); 9746 if (idx <= 1) { 9747 idx++; 9748 } else { 9749 idx--; 9750 } 9751 } catch(NumberFormatException e) { 9752 } 9753 } 9754 } 9755 } 9756 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9757 return prefix + idxStr; 9758 } 9759 9760 // Utility method used to ignore ADD/REMOVE events 9761 // by directory observer. 9762 private static boolean ignoreCodePath(String fullPathStr) { 9763 String apkName = getApkName(fullPathStr); 9764 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9765 if (idx != -1 && ((idx+1) < apkName.length())) { 9766 // Make sure the package ends with a numeral 9767 String version = apkName.substring(idx+1); 9768 try { 9769 Integer.parseInt(version); 9770 return true; 9771 } catch (NumberFormatException e) {} 9772 } 9773 return false; 9774 } 9775 9776 // Utility method that returns the relative package path with respect 9777 // to the installation directory. Like say for /data/data/com.test-1.apk 9778 // string com.test-1 is returned. 9779 static String getApkName(String codePath) { 9780 if (codePath == null) { 9781 return null; 9782 } 9783 int sidx = codePath.lastIndexOf("/"); 9784 int eidx = codePath.lastIndexOf("."); 9785 if (eidx == -1) { 9786 eidx = codePath.length(); 9787 } else if (eidx == 0) { 9788 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9789 return null; 9790 } 9791 return codePath.substring(sidx+1, eidx); 9792 } 9793 9794 private static String[] deriveSplitResPaths(String[] splitCodePaths) { 9795 String[] splitResPaths = null; 9796 if (!ArrayUtils.isEmpty(splitCodePaths)) { 9797 splitResPaths = new String[splitCodePaths.length]; 9798 for (int i = 0; i < splitCodePaths.length; i++) { 9799 final String splitCodePath = splitCodePaths[i]; 9800 final String resName = getApkName(splitCodePath) + ".zip"; 9801 splitResPaths[i] = new File(new File(splitCodePath).getParentFile(), 9802 resName).getAbsolutePath(); 9803 } 9804 } 9805 return splitResPaths; 9806 } 9807 9808 class PackageInstalledInfo { 9809 String name; 9810 int uid; 9811 // The set of users that originally had this package installed. 9812 int[] origUsers; 9813 // The set of users that now have this package installed. 9814 int[] newUsers; 9815 PackageParser.Package pkg; 9816 int returnCode; 9817 PackageRemovedInfo removedInfo; 9818 9819 // In some error cases we want to convey more info back to the observer 9820 String origPackage; 9821 String origPermission; 9822 } 9823 9824 /* 9825 * Install a non-existing package. 9826 */ 9827 private void installNewPackageLI(PackageParser.Package pkg, 9828 int parseFlags, int scanMode, UserHandle user, 9829 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9830 // Remember this for later, in case we need to rollback this install 9831 String pkgName = pkg.packageName; 9832 9833 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9834 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9835 synchronized(mPackages) { 9836 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9837 // A package with the same name is already installed, though 9838 // it has been renamed to an older name. The package we 9839 // are trying to install should be installed as an update to 9840 // the existing one, but that has not been requested, so bail. 9841 Slog.w(TAG, "Attempt to re-install " + pkgName 9842 + " without first uninstalling package running as " 9843 + mSettings.mRenamedPackages.get(pkgName)); 9844 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9845 return; 9846 } 9847 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 9848 // Don't allow installation over an existing package with the same name. 9849 Slog.w(TAG, "Attempt to re-install " + pkgName 9850 + " without first uninstalling."); 9851 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9852 return; 9853 } 9854 } 9855 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9856 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9857 System.currentTimeMillis(), user, abiOverride); 9858 if (newPackage == null) { 9859 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9860 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9861 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9862 } 9863 } else { 9864 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9865 // delete the partially installed application. the data directory will have to be 9866 // restored if it was already existing 9867 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9868 // remove package from internal structures. Note that we want deletePackageX to 9869 // delete the package data and cache directories that it created in 9870 // scanPackageLocked, unless those directories existed before we even tried to 9871 // install. 9872 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9873 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9874 res.removedInfo, true); 9875 } 9876 } 9877 } 9878 9879 private void replacePackageLI(PackageParser.Package pkg, 9880 int parseFlags, int scanMode, UserHandle user, 9881 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9882 9883 PackageParser.Package oldPackage; 9884 String pkgName = pkg.packageName; 9885 int[] allUsers; 9886 boolean[] perUserInstalled; 9887 9888 // First find the old package info and check signatures 9889 synchronized(mPackages) { 9890 oldPackage = mPackages.get(pkgName); 9891 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9892 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9893 != PackageManager.SIGNATURE_MATCH) { 9894 Slog.w(TAG, "New package has a different signature: " + pkgName); 9895 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9896 return; 9897 } 9898 9899 // In case of rollback, remember per-user/profile install state 9900 PackageSetting ps = mSettings.mPackages.get(pkgName); 9901 allUsers = sUserManager.getUserIds(); 9902 perUserInstalled = new boolean[allUsers.length]; 9903 for (int i = 0; i < allUsers.length; i++) { 9904 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9905 } 9906 } 9907 boolean sysPkg = (isSystemApp(oldPackage)); 9908 if (sysPkg) { 9909 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9910 user, allUsers, perUserInstalled, installerPackageName, res, 9911 abiOverride); 9912 } else { 9913 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9914 user, allUsers, perUserInstalled, installerPackageName, res, 9915 abiOverride); 9916 } 9917 } 9918 9919 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9920 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9921 int[] allUsers, boolean[] perUserInstalled, 9922 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9923 PackageParser.Package newPackage = null; 9924 String pkgName = deletedPackage.packageName; 9925 boolean deletedPkg = true; 9926 boolean updatedSettings = false; 9927 9928 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9929 + deletedPackage); 9930 long origUpdateTime; 9931 if (pkg.mExtras != null) { 9932 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9933 } else { 9934 origUpdateTime = 0; 9935 } 9936 9937 // First delete the existing package while retaining the data directory 9938 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9939 res.removedInfo, true)) { 9940 // If the existing package wasn't successfully deleted 9941 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9942 deletedPkg = false; 9943 } else { 9944 // Successfully deleted the old package. Now proceed with re-installation 9945 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9946 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9947 System.currentTimeMillis(), user, abiOverride); 9948 if (newPackage == null) { 9949 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9950 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9951 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9952 } 9953 } else { 9954 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9955 updatedSettings = true; 9956 } 9957 } 9958 9959 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9960 // remove package from internal structures. Note that we want deletePackageX to 9961 // delete the package data and cache directories that it created in 9962 // scanPackageLocked, unless those directories existed before we even tried to 9963 // install. 9964 if(updatedSettings) { 9965 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9966 deletePackageLI( 9967 pkgName, null, true, allUsers, perUserInstalled, 9968 PackageManager.DELETE_KEEP_DATA, 9969 res.removedInfo, true); 9970 } 9971 // Since we failed to install the new package we need to restore the old 9972 // package that we deleted. 9973 if (deletedPkg) { 9974 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9975 File restoreFile = new File(deletedPackage.codePath); 9976 // Parse old package 9977 boolean oldOnSd = isExternal(deletedPackage); 9978 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9979 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9980 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9981 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9982 | SCAN_UPDATE_TIME; 9983 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9984 origUpdateTime, null, null) == null) { 9985 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9986 return; 9987 } 9988 // Restore of old package succeeded. Update permissions. 9989 // writer 9990 synchronized (mPackages) { 9991 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9992 UPDATE_PERMISSIONS_ALL); 9993 // can downgrade to reader 9994 mSettings.writeLPr(); 9995 } 9996 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9997 } 9998 } 9999 } 10000 10001 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10002 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10003 int[] allUsers, boolean[] perUserInstalled, 10004 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10005 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10006 + ", old=" + deletedPackage); 10007 PackageParser.Package newPackage = null; 10008 boolean updatedSettings = false; 10009 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 10010 PackageParser.PARSE_IS_SYSTEM; 10011 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10012 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10013 } 10014 String packageName = deletedPackage.packageName; 10015 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10016 if (packageName == null) { 10017 Slog.w(TAG, "Attempt to delete null packageName."); 10018 return; 10019 } 10020 PackageParser.Package oldPkg; 10021 PackageSetting oldPkgSetting; 10022 // reader 10023 synchronized (mPackages) { 10024 oldPkg = mPackages.get(packageName); 10025 oldPkgSetting = mSettings.mPackages.get(packageName); 10026 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10027 (oldPkgSetting == null)) { 10028 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 10029 return; 10030 } 10031 } 10032 10033 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10034 10035 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10036 res.removedInfo.removedPackage = packageName; 10037 // Remove existing system package 10038 removePackageLI(oldPkgSetting, true); 10039 // writer 10040 synchronized (mPackages) { 10041 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10042 // We didn't need to disable the .apk as a current system package, 10043 // which means we are replacing another update that is already 10044 // installed. We need to make sure to delete the older one's .apk. 10045 res.removedInfo.args = createInstallArgs(0, 10046 deletedPackage.applicationInfo.sourceDir, 10047 deletedPackage.applicationInfo.publicSourceDir, 10048 deletedPackage.applicationInfo.nativeLibraryDir, 10049 getAppInstructionSet(deletedPackage.applicationInfo)); 10050 } else { 10051 res.removedInfo.args = null; 10052 } 10053 } 10054 10055 // Successfully disabled the old package. Now proceed with re-installation 10056 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10057 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10058 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10059 if (newPackage == null) { 10060 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10061 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10062 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10063 } 10064 } else { 10065 if (newPackage.mExtras != null) { 10066 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10067 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10068 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10069 10070 // is the update attempting to change shared user? that isn't going to work... 10071 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10072 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10073 + " to " + newPkgSetting.sharedUser); 10074 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10075 updatedSettings = true; 10076 } 10077 } 10078 10079 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10080 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10081 updatedSettings = true; 10082 } 10083 } 10084 10085 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10086 // Re installation failed. Restore old information 10087 // Remove new pkg information 10088 if (newPackage != null) { 10089 removeInstalledPackageLI(newPackage, true); 10090 } 10091 // Add back the old system package 10092 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10093 // Restore the old system information in Settings 10094 synchronized(mPackages) { 10095 if (updatedSettings) { 10096 mSettings.enableSystemPackageLPw(packageName); 10097 mSettings.setInstallerPackageName(packageName, 10098 oldPkgSetting.installerPackageName); 10099 } 10100 mSettings.writeLPr(); 10101 } 10102 } 10103 } 10104 10105 // Utility method used to move dex files during install. 10106 private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) { 10107 // TODO: extend to move split APK dex files 10108 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10109 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 10110 int retCode = mInstaller.movedex(oldCodePath, newPackage.codePath, 10111 instructionSet); 10112 if (retCode != 0) { 10113 /* 10114 * Programs may be lazily run through dexopt, so the 10115 * source may not exist. However, something seems to 10116 * have gone wrong, so note that dexopt needs to be 10117 * run again and remove the source file. In addition, 10118 * remove the target to make sure there isn't a stale 10119 * file from a previous version of the package. 10120 */ 10121 newPackage.mDexOptNeeded = true; 10122 mInstaller.rmdex(oldCodePath, instructionSet); 10123 mInstaller.rmdex(newPackage.codePath, instructionSet); 10124 } 10125 } 10126 return PackageManager.INSTALL_SUCCEEDED; 10127 } 10128 10129 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10130 int[] allUsers, boolean[] perUserInstalled, 10131 PackageInstalledInfo res) { 10132 String pkgName = newPackage.packageName; 10133 synchronized (mPackages) { 10134 //write settings. the installStatus will be incomplete at this stage. 10135 //note that the new package setting would have already been 10136 //added to mPackages. It hasn't been persisted yet. 10137 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10138 mSettings.writeLPr(); 10139 } 10140 10141 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10142 10143 synchronized (mPackages) { 10144 updatePermissionsLPw(newPackage.packageName, newPackage, 10145 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10146 ? UPDATE_PERMISSIONS_ALL : 0)); 10147 // For system-bundled packages, we assume that installing an upgraded version 10148 // of the package implies that the user actually wants to run that new code, 10149 // so we enable the package. 10150 if (isSystemApp(newPackage)) { 10151 // NB: implicit assumption that system package upgrades apply to all users 10152 if (DEBUG_INSTALL) { 10153 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10154 } 10155 PackageSetting ps = mSettings.mPackages.get(pkgName); 10156 if (ps != null) { 10157 if (res.origUsers != null) { 10158 for (int userHandle : res.origUsers) { 10159 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10160 userHandle, installerPackageName); 10161 } 10162 } 10163 // Also convey the prior install/uninstall state 10164 if (allUsers != null && perUserInstalled != null) { 10165 for (int i = 0; i < allUsers.length; i++) { 10166 if (DEBUG_INSTALL) { 10167 Slog.d(TAG, " user " + allUsers[i] 10168 + " => " + perUserInstalled[i]); 10169 } 10170 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10171 } 10172 // these install state changes will be persisted in the 10173 // upcoming call to mSettings.writeLPr(). 10174 } 10175 } 10176 } 10177 res.name = pkgName; 10178 res.uid = newPackage.applicationInfo.uid; 10179 res.pkg = newPackage; 10180 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10181 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10182 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10183 //to update install status 10184 mSettings.writeLPr(); 10185 } 10186 } 10187 10188 private void installPackageLI(InstallArgs args, 10189 boolean newInstall, PackageInstalledInfo res) { 10190 int pFlags = args.flags; 10191 String installerPackageName = args.installerPackageName; 10192 File tmpPackageFile = new File(args.getCodePath()); 10193 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10194 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10195 boolean replace = false; 10196 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10197 | (newInstall ? SCAN_NEW_INSTALL : 0); 10198 // Result object to be returned 10199 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10200 10201 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10202 // Retrieve PackageSettings and parse package 10203 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10204 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10205 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10206 PackageParser pp = new PackageParser(); 10207 pp.setSeparateProcesses(mSeparateProcesses); 10208 pp.setDisplayMetrics(mMetrics); 10209 10210 final PackageParser.Package pkg; 10211 try { 10212 pkg = pp.parseMonolithicPackage(tmpPackageFile, parseFlags); 10213 } catch (PackageParserException e) { 10214 res.returnCode = e.error; 10215 return; 10216 } 10217 10218 String pkgName = res.name = pkg.packageName; 10219 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10220 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10221 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10222 return; 10223 } 10224 } 10225 10226 try { 10227 pp.collectCertificates(pkg, parseFlags); 10228 } catch (PackageParserException e) { 10229 res.returnCode = e.error; 10230 return; 10231 } 10232 10233 /* If the installer passed in a manifest digest, compare it now. */ 10234 if (args.manifestDigest != null) { 10235 if (DEBUG_INSTALL) { 10236 final String parsedManifest = pkg.manifestDigest == null ? "null" 10237 : pkg.manifestDigest.toString(); 10238 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10239 + parsedManifest); 10240 } 10241 10242 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10243 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10244 return; 10245 } 10246 } else if (DEBUG_INSTALL) { 10247 final String parsedManifest = pkg.manifestDigest == null 10248 ? "null" : pkg.manifestDigest.toString(); 10249 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10250 } 10251 10252 // Get rid of all references to package scan path via parser. 10253 pp = null; 10254 String oldCodePath = null; 10255 boolean systemApp = false; 10256 synchronized (mPackages) { 10257 // Check whether the newly-scanned package wants to define an already-defined perm 10258 int N = pkg.permissions.size(); 10259 for (int i = N-1; i >= 0; i--) { 10260 PackageParser.Permission perm = pkg.permissions.get(i); 10261 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10262 if (bp != null) { 10263 // If the defining package is signed with our cert, it's okay. This 10264 // also includes the "updating the same package" case, of course. 10265 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10266 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10267 // If the owning package is the system itself, we log but allow 10268 // install to proceed; we fail the install on all other permission 10269 // redefinitions. 10270 if (!bp.sourcePackage.equals("android")) { 10271 Slog.w(TAG, "Package " + pkg.packageName 10272 + " attempting to redeclare permission " + perm.info.name 10273 + " already owned by " + bp.sourcePackage); 10274 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10275 res.origPermission = perm.info.name; 10276 res.origPackage = bp.sourcePackage; 10277 return; 10278 } else { 10279 Slog.w(TAG, "Package " + pkg.packageName 10280 + " attempting to redeclare system permission " 10281 + perm.info.name + "; ignoring new declaration"); 10282 pkg.permissions.remove(i); 10283 } 10284 } 10285 } 10286 } 10287 10288 // Check if installing already existing package 10289 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10290 String oldName = mSettings.mRenamedPackages.get(pkgName); 10291 if (pkg.mOriginalPackages != null 10292 && pkg.mOriginalPackages.contains(oldName) 10293 && mPackages.containsKey(oldName)) { 10294 // This package is derived from an original package, 10295 // and this device has been updating from that original 10296 // name. We must continue using the original name, so 10297 // rename the new package here. 10298 pkg.setPackageName(oldName); 10299 pkgName = pkg.packageName; 10300 replace = true; 10301 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10302 + oldName + " pkgName=" + pkgName); 10303 } else if (mPackages.containsKey(pkgName)) { 10304 // This package, under its official name, already exists 10305 // on the device; we should replace it. 10306 replace = true; 10307 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10308 } 10309 } 10310 PackageSetting ps = mSettings.mPackages.get(pkgName); 10311 if (ps != null) { 10312 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10313 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10314 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10315 systemApp = (ps.pkg.applicationInfo.flags & 10316 ApplicationInfo.FLAG_SYSTEM) != 0; 10317 } 10318 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10319 } 10320 } 10321 10322 if (systemApp && onSd) { 10323 // Disable updates to system apps on sdcard 10324 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10325 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10326 return; 10327 } 10328 10329 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10330 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10331 return; 10332 } 10333 // Set application objects path explicitly after the rename 10334 pkg.codePath = args.getCodePath(); 10335 pkg.applicationInfo.sourceDir = args.getCodePath(); 10336 pkg.applicationInfo.publicSourceDir = args.getResourcePath(); 10337 pkg.applicationInfo.splitSourceDirs = args.getSplitCodePaths(); 10338 pkg.applicationInfo.splitPublicSourceDirs = deriveSplitResPaths( 10339 pkg.applicationInfo.splitSourceDirs); 10340 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10341 if (replace) { 10342 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10343 installerPackageName, res, args.abiOverride); 10344 } else { 10345 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10346 installerPackageName, res, args.abiOverride); 10347 } 10348 synchronized (mPackages) { 10349 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10350 if (ps != null) { 10351 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10352 } 10353 } 10354 } 10355 10356 private static boolean isForwardLocked(PackageParser.Package pkg) { 10357 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10358 } 10359 10360 10361 private boolean isForwardLocked(PackageSetting ps) { 10362 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10363 } 10364 10365 private static boolean isExternal(PackageParser.Package pkg) { 10366 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10367 } 10368 10369 private static boolean isExternal(PackageSetting ps) { 10370 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10371 } 10372 10373 private static boolean isSystemApp(PackageParser.Package pkg) { 10374 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10375 } 10376 10377 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10378 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10379 } 10380 10381 private static boolean isSystemApp(ApplicationInfo info) { 10382 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10383 } 10384 10385 private static boolean isSystemApp(PackageSetting ps) { 10386 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10387 } 10388 10389 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10390 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10391 } 10392 10393 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10394 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10395 } 10396 10397 private int packageFlagsToInstallFlags(PackageSetting ps) { 10398 int installFlags = 0; 10399 if (isExternal(ps)) { 10400 installFlags |= PackageManager.INSTALL_EXTERNAL; 10401 } 10402 if (isForwardLocked(ps)) { 10403 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10404 } 10405 return installFlags; 10406 } 10407 10408 private void deleteTempPackageFiles() { 10409 final FilenameFilter filter = new FilenameFilter() { 10410 public boolean accept(File dir, String name) { 10411 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10412 } 10413 }; 10414 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10415 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10416 } 10417 10418 private static final void deleteTempPackageFilesInDirectory(File directory, 10419 FilenameFilter filter) { 10420 final String[] tmpFilesList = directory.list(filter); 10421 if (tmpFilesList == null) { 10422 return; 10423 } 10424 for (int i = 0; i < tmpFilesList.length; i++) { 10425 final File tmpFile = new File(directory, tmpFilesList[i]); 10426 tmpFile.delete(); 10427 } 10428 } 10429 10430 private File createTempPackageFile(File installDir) { 10431 File tmpPackageFile; 10432 try { 10433 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10434 } catch (IOException e) { 10435 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10436 return null; 10437 } 10438 try { 10439 FileUtils.setPermissions( 10440 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10441 -1, -1); 10442 if (!SELinux.restorecon(tmpPackageFile)) { 10443 return null; 10444 } 10445 } catch (IOException e) { 10446 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10447 return null; 10448 } 10449 return tmpPackageFile; 10450 } 10451 10452 @Override 10453 public void deletePackageAsUser(final String packageName, 10454 final IPackageDeleteObserver observer, 10455 final int userId, final int flags) { 10456 mContext.enforceCallingOrSelfPermission( 10457 android.Manifest.permission.DELETE_PACKAGES, null); 10458 final int uid = Binder.getCallingUid(); 10459 if (UserHandle.getUserId(uid) != userId) { 10460 mContext.enforceCallingPermission( 10461 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10462 "deletePackage for user " + userId); 10463 } 10464 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10465 try { 10466 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10467 } catch (RemoteException re) { 10468 } 10469 return; 10470 } 10471 10472 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10473 // Queue up an async operation since the package deletion may take a little while. 10474 mHandler.post(new Runnable() { 10475 public void run() { 10476 mHandler.removeCallbacks(this); 10477 final int returnCode = deletePackageX(packageName, userId, flags); 10478 if (observer != null) { 10479 try { 10480 observer.packageDeleted(packageName, returnCode); 10481 } catch (RemoteException e) { 10482 Log.i(TAG, "Observer no longer exists."); 10483 } //end catch 10484 } //end if 10485 } //end run 10486 }); 10487 } 10488 10489 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10490 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10491 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10492 try { 10493 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10494 || dpm.isDeviceOwner(packageName))) { 10495 return true; 10496 } 10497 } catch (RemoteException e) { 10498 } 10499 return false; 10500 } 10501 10502 /** 10503 * This method is an internal method that could be get invoked either 10504 * to delete an installed package or to clean up a failed installation. 10505 * After deleting an installed package, a broadcast is sent to notify any 10506 * listeners that the package has been installed. For cleaning up a failed 10507 * installation, the broadcast is not necessary since the package's 10508 * installation wouldn't have sent the initial broadcast either 10509 * The key steps in deleting a package are 10510 * deleting the package information in internal structures like mPackages, 10511 * deleting the packages base directories through installd 10512 * updating mSettings to reflect current status 10513 * persisting settings for later use 10514 * sending a broadcast if necessary 10515 */ 10516 private int deletePackageX(String packageName, int userId, int flags) { 10517 final PackageRemovedInfo info = new PackageRemovedInfo(); 10518 final boolean res; 10519 10520 if (isPackageDeviceAdmin(packageName, userId)) { 10521 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10522 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10523 } 10524 10525 boolean removedForAllUsers = false; 10526 boolean systemUpdate = false; 10527 10528 // for the uninstall-updates case and restricted profiles, remember the per- 10529 // userhandle installed state 10530 int[] allUsers; 10531 boolean[] perUserInstalled; 10532 synchronized (mPackages) { 10533 PackageSetting ps = mSettings.mPackages.get(packageName); 10534 allUsers = sUserManager.getUserIds(); 10535 perUserInstalled = new boolean[allUsers.length]; 10536 for (int i = 0; i < allUsers.length; i++) { 10537 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10538 } 10539 } 10540 10541 synchronized (mInstallLock) { 10542 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10543 res = deletePackageLI(packageName, 10544 (flags & PackageManager.DELETE_ALL_USERS) != 0 10545 ? UserHandle.ALL : new UserHandle(userId), 10546 true, allUsers, perUserInstalled, 10547 flags | REMOVE_CHATTY, info, true); 10548 systemUpdate = info.isRemovedPackageSystemUpdate; 10549 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10550 removedForAllUsers = true; 10551 } 10552 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10553 + " removedForAllUsers=" + removedForAllUsers); 10554 } 10555 10556 if (res) { 10557 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10558 10559 // If the removed package was a system update, the old system package 10560 // was re-enabled; we need to broadcast this information 10561 if (systemUpdate) { 10562 Bundle extras = new Bundle(1); 10563 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10564 ? info.removedAppId : info.uid); 10565 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10566 10567 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10568 extras, null, null, null); 10569 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10570 extras, null, null, null); 10571 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10572 null, packageName, null, null); 10573 } 10574 } 10575 // Force a gc here. 10576 Runtime.getRuntime().gc(); 10577 // Delete the resources here after sending the broadcast to let 10578 // other processes clean up before deleting resources. 10579 if (info.args != null) { 10580 synchronized (mInstallLock) { 10581 info.args.doPostDeleteLI(true); 10582 } 10583 } 10584 10585 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10586 } 10587 10588 static class PackageRemovedInfo { 10589 String removedPackage; 10590 int uid = -1; 10591 int removedAppId = -1; 10592 int[] removedUsers = null; 10593 boolean isRemovedPackageSystemUpdate = false; 10594 // Clean up resources deleted packages. 10595 InstallArgs args = null; 10596 10597 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10598 Bundle extras = new Bundle(1); 10599 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10600 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10601 if (replacing) { 10602 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10603 } 10604 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10605 if (removedPackage != null) { 10606 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10607 extras, null, null, removedUsers); 10608 if (fullRemove && !replacing) { 10609 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10610 extras, null, null, removedUsers); 10611 } 10612 } 10613 if (removedAppId >= 0) { 10614 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10615 removedUsers); 10616 } 10617 } 10618 } 10619 10620 /* 10621 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10622 * flag is not set, the data directory is removed as well. 10623 * make sure this flag is set for partially installed apps. If not its meaningless to 10624 * delete a partially installed application. 10625 */ 10626 private void removePackageDataLI(PackageSetting ps, 10627 int[] allUserHandles, boolean[] perUserInstalled, 10628 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10629 String packageName = ps.name; 10630 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10631 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10632 // Retrieve object to delete permissions for shared user later on 10633 final PackageSetting deletedPs; 10634 // reader 10635 synchronized (mPackages) { 10636 deletedPs = mSettings.mPackages.get(packageName); 10637 if (outInfo != null) { 10638 outInfo.removedPackage = packageName; 10639 outInfo.removedUsers = deletedPs != null 10640 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10641 : null; 10642 } 10643 } 10644 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10645 removeDataDirsLI(packageName); 10646 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10647 } 10648 // writer 10649 synchronized (mPackages) { 10650 if (deletedPs != null) { 10651 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10652 if (outInfo != null) { 10653 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10654 } 10655 if (deletedPs != null) { 10656 updatePermissionsLPw(deletedPs.name, null, 0); 10657 if (deletedPs.sharedUser != null) { 10658 // remove permissions associated with package 10659 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10660 } 10661 } 10662 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10663 } 10664 // make sure to preserve per-user disabled state if this removal was just 10665 // a downgrade of a system app to the factory package 10666 if (allUserHandles != null && perUserInstalled != null) { 10667 if (DEBUG_REMOVE) { 10668 Slog.d(TAG, "Propagating install state across downgrade"); 10669 } 10670 for (int i = 0; i < allUserHandles.length; i++) { 10671 if (DEBUG_REMOVE) { 10672 Slog.d(TAG, " user " + allUserHandles[i] 10673 + " => " + perUserInstalled[i]); 10674 } 10675 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10676 } 10677 } 10678 } 10679 // can downgrade to reader 10680 if (writeSettings) { 10681 // Save settings now 10682 mSettings.writeLPr(); 10683 } 10684 } 10685 if (outInfo != null) { 10686 // A user ID was deleted here. Go through all users and remove it 10687 // from KeyStore. 10688 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10689 } 10690 } 10691 10692 static boolean locationIsPrivileged(File path) { 10693 try { 10694 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10695 .getCanonicalPath(); 10696 return path.getCanonicalPath().startsWith(privilegedAppDir); 10697 } catch (IOException e) { 10698 Slog.e(TAG, "Unable to access code path " + path); 10699 } 10700 return false; 10701 } 10702 10703 /* 10704 * Tries to delete system package. 10705 */ 10706 private boolean deleteSystemPackageLI(PackageSetting newPs, 10707 int[] allUserHandles, boolean[] perUserInstalled, 10708 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10709 final boolean applyUserRestrictions 10710 = (allUserHandles != null) && (perUserInstalled != null); 10711 PackageSetting disabledPs = null; 10712 // Confirm if the system package has been updated 10713 // An updated system app can be deleted. This will also have to restore 10714 // the system pkg from system partition 10715 // reader 10716 synchronized (mPackages) { 10717 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10718 } 10719 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10720 + " disabledPs=" + disabledPs); 10721 if (disabledPs == null) { 10722 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10723 return false; 10724 } else if (DEBUG_REMOVE) { 10725 Slog.d(TAG, "Deleting system pkg from data partition"); 10726 } 10727 if (DEBUG_REMOVE) { 10728 if (applyUserRestrictions) { 10729 Slog.d(TAG, "Remembering install states:"); 10730 for (int i = 0; i < allUserHandles.length; i++) { 10731 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10732 } 10733 } 10734 } 10735 // Delete the updated package 10736 outInfo.isRemovedPackageSystemUpdate = true; 10737 if (disabledPs.versionCode < newPs.versionCode) { 10738 // Delete data for downgrades 10739 flags &= ~PackageManager.DELETE_KEEP_DATA; 10740 } else { 10741 // Preserve data by setting flag 10742 flags |= PackageManager.DELETE_KEEP_DATA; 10743 } 10744 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10745 allUserHandles, perUserInstalled, outInfo, writeSettings); 10746 if (!ret) { 10747 return false; 10748 } 10749 // writer 10750 synchronized (mPackages) { 10751 // Reinstate the old system package 10752 mSettings.enableSystemPackageLPw(newPs.name); 10753 // Remove any native libraries from the upgraded package. 10754 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10755 } 10756 // Install the system package 10757 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10758 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10759 if (locationIsPrivileged(disabledPs.codePath)) { 10760 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10761 } 10762 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10763 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10764 10765 if (newPkg == null) { 10766 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10767 + " with error:" + mLastScanError); 10768 return false; 10769 } 10770 // writer 10771 synchronized (mPackages) { 10772 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10773 setInternalAppNativeLibraryPath(newPkg, ps); 10774 updatePermissionsLPw(newPkg.packageName, newPkg, 10775 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10776 if (applyUserRestrictions) { 10777 if (DEBUG_REMOVE) { 10778 Slog.d(TAG, "Propagating install state across reinstall"); 10779 } 10780 for (int i = 0; i < allUserHandles.length; i++) { 10781 if (DEBUG_REMOVE) { 10782 Slog.d(TAG, " user " + allUserHandles[i] 10783 + " => " + perUserInstalled[i]); 10784 } 10785 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10786 } 10787 // Regardless of writeSettings we need to ensure that this restriction 10788 // state propagation is persisted 10789 mSettings.writeAllUsersPackageRestrictionsLPr(); 10790 } 10791 // can downgrade to reader here 10792 if (writeSettings) { 10793 mSettings.writeLPr(); 10794 } 10795 } 10796 return true; 10797 } 10798 10799 private boolean deleteInstalledPackageLI(PackageSetting ps, 10800 boolean deleteCodeAndResources, int flags, 10801 int[] allUserHandles, boolean[] perUserInstalled, 10802 PackageRemovedInfo outInfo, boolean writeSettings) { 10803 if (outInfo != null) { 10804 outInfo.uid = ps.appId; 10805 } 10806 10807 // Delete package data from internal structures and also remove data if flag is set 10808 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10809 10810 // Delete application code and resources 10811 if (deleteCodeAndResources && (outInfo != null)) { 10812 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10813 ps.resourcePathString, ps.nativeLibraryPathString, 10814 getAppInstructionSetFromSettings(ps)); 10815 } 10816 return true; 10817 } 10818 10819 /* 10820 * This method handles package deletion in general 10821 */ 10822 private boolean deletePackageLI(String packageName, UserHandle user, 10823 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10824 int flags, PackageRemovedInfo outInfo, 10825 boolean writeSettings) { 10826 if (packageName == null) { 10827 Slog.w(TAG, "Attempt to delete null packageName."); 10828 return false; 10829 } 10830 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10831 PackageSetting ps; 10832 boolean dataOnly = false; 10833 int removeUser = -1; 10834 int appId = -1; 10835 synchronized (mPackages) { 10836 ps = mSettings.mPackages.get(packageName); 10837 if (ps == null) { 10838 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10839 return false; 10840 } 10841 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10842 && user.getIdentifier() != UserHandle.USER_ALL) { 10843 // The caller is asking that the package only be deleted for a single 10844 // user. To do this, we just mark its uninstalled state and delete 10845 // its data. If this is a system app, we only allow this to happen if 10846 // they have set the special DELETE_SYSTEM_APP which requests different 10847 // semantics than normal for uninstalling system apps. 10848 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10849 ps.setUserState(user.getIdentifier(), 10850 COMPONENT_ENABLED_STATE_DEFAULT, 10851 false, //installed 10852 true, //stopped 10853 true, //notLaunched 10854 false, //blocked 10855 null, null, null); 10856 if (!isSystemApp(ps)) { 10857 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10858 // Other user still have this package installed, so all 10859 // we need to do is clear this user's data and save that 10860 // it is uninstalled. 10861 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10862 removeUser = user.getIdentifier(); 10863 appId = ps.appId; 10864 mSettings.writePackageRestrictionsLPr(removeUser); 10865 } else { 10866 // We need to set it back to 'installed' so the uninstall 10867 // broadcasts will be sent correctly. 10868 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10869 ps.setInstalled(true, user.getIdentifier()); 10870 } 10871 } else { 10872 // This is a system app, so we assume that the 10873 // other users still have this package installed, so all 10874 // we need to do is clear this user's data and save that 10875 // it is uninstalled. 10876 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10877 removeUser = user.getIdentifier(); 10878 appId = ps.appId; 10879 mSettings.writePackageRestrictionsLPr(removeUser); 10880 } 10881 } 10882 } 10883 10884 if (removeUser >= 0) { 10885 // From above, we determined that we are deleting this only 10886 // for a single user. Continue the work here. 10887 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10888 if (outInfo != null) { 10889 outInfo.removedPackage = packageName; 10890 outInfo.removedAppId = appId; 10891 outInfo.removedUsers = new int[] {removeUser}; 10892 } 10893 mInstaller.clearUserData(packageName, removeUser); 10894 removeKeystoreDataIfNeeded(removeUser, appId); 10895 schedulePackageCleaning(packageName, removeUser, false); 10896 return true; 10897 } 10898 10899 if (dataOnly) { 10900 // Delete application data first 10901 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10902 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10903 return true; 10904 } 10905 10906 boolean ret = false; 10907 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10908 if (isSystemApp(ps)) { 10909 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10910 // When an updated system application is deleted we delete the existing resources as well and 10911 // fall back to existing code in system partition 10912 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10913 flags, outInfo, writeSettings); 10914 } else { 10915 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10916 // Kill application pre-emptively especially for apps on sd. 10917 killApplication(packageName, ps.appId, "uninstall pkg"); 10918 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10919 allUserHandles, perUserInstalled, 10920 outInfo, writeSettings); 10921 } 10922 10923 return ret; 10924 } 10925 10926 private final class ClearStorageConnection implements ServiceConnection { 10927 IMediaContainerService mContainerService; 10928 10929 @Override 10930 public void onServiceConnected(ComponentName name, IBinder service) { 10931 synchronized (this) { 10932 mContainerService = IMediaContainerService.Stub.asInterface(service); 10933 notifyAll(); 10934 } 10935 } 10936 10937 @Override 10938 public void onServiceDisconnected(ComponentName name) { 10939 } 10940 } 10941 10942 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10943 final boolean mounted; 10944 if (Environment.isExternalStorageEmulated()) { 10945 mounted = true; 10946 } else { 10947 final String status = Environment.getExternalStorageState(); 10948 10949 mounted = status.equals(Environment.MEDIA_MOUNTED) 10950 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10951 } 10952 10953 if (!mounted) { 10954 return; 10955 } 10956 10957 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10958 int[] users; 10959 if (userId == UserHandle.USER_ALL) { 10960 users = sUserManager.getUserIds(); 10961 } else { 10962 users = new int[] { userId }; 10963 } 10964 final ClearStorageConnection conn = new ClearStorageConnection(); 10965 if (mContext.bindServiceAsUser( 10966 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10967 try { 10968 for (int curUser : users) { 10969 long timeout = SystemClock.uptimeMillis() + 5000; 10970 synchronized (conn) { 10971 long now = SystemClock.uptimeMillis(); 10972 while (conn.mContainerService == null && now < timeout) { 10973 try { 10974 conn.wait(timeout - now); 10975 } catch (InterruptedException e) { 10976 } 10977 } 10978 } 10979 if (conn.mContainerService == null) { 10980 return; 10981 } 10982 10983 final UserEnvironment userEnv = new UserEnvironment(curUser); 10984 clearDirectory(conn.mContainerService, 10985 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10986 if (allData) { 10987 clearDirectory(conn.mContainerService, 10988 userEnv.buildExternalStorageAppDataDirs(packageName)); 10989 clearDirectory(conn.mContainerService, 10990 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10991 } 10992 } 10993 } finally { 10994 mContext.unbindService(conn); 10995 } 10996 } 10997 } 10998 10999 @Override 11000 public void clearApplicationUserData(final String packageName, 11001 final IPackageDataObserver observer, final int userId) { 11002 mContext.enforceCallingOrSelfPermission( 11003 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11004 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 11005 // Queue up an async operation since the package deletion may take a little while. 11006 mHandler.post(new Runnable() { 11007 public void run() { 11008 mHandler.removeCallbacks(this); 11009 final boolean succeeded; 11010 synchronized (mInstallLock) { 11011 succeeded = clearApplicationUserDataLI(packageName, userId); 11012 } 11013 clearExternalStorageDataSync(packageName, userId, true); 11014 if (succeeded) { 11015 // invoke DeviceStorageMonitor's update method to clear any notifications 11016 DeviceStorageMonitorInternal 11017 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11018 if (dsm != null) { 11019 dsm.checkMemory(); 11020 } 11021 } 11022 if(observer != null) { 11023 try { 11024 observer.onRemoveCompleted(packageName, succeeded); 11025 } catch (RemoteException e) { 11026 Log.i(TAG, "Observer no longer exists."); 11027 } 11028 } //end if observer 11029 } //end run 11030 }); 11031 } 11032 11033 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11034 if (packageName == null) { 11035 Slog.w(TAG, "Attempt to delete null packageName."); 11036 return false; 11037 } 11038 PackageParser.Package p; 11039 boolean dataOnly = false; 11040 final int appId; 11041 synchronized (mPackages) { 11042 p = mPackages.get(packageName); 11043 if (p == null) { 11044 dataOnly = true; 11045 PackageSetting ps = mSettings.mPackages.get(packageName); 11046 if ((ps == null) || (ps.pkg == null)) { 11047 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11048 return false; 11049 } 11050 p = ps.pkg; 11051 } 11052 if (!dataOnly) { 11053 // need to check this only for fully installed applications 11054 if (p == null) { 11055 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11056 return false; 11057 } 11058 final ApplicationInfo applicationInfo = p.applicationInfo; 11059 if (applicationInfo == null) { 11060 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11061 return false; 11062 } 11063 } 11064 if (p != null && p.applicationInfo != null) { 11065 appId = p.applicationInfo.uid; 11066 } else { 11067 appId = -1; 11068 } 11069 } 11070 int retCode = mInstaller.clearUserData(packageName, userId); 11071 if (retCode < 0) { 11072 Slog.w(TAG, "Couldn't remove cache files for package: " 11073 + packageName); 11074 return false; 11075 } 11076 removeKeystoreDataIfNeeded(userId, appId); 11077 return true; 11078 } 11079 11080 /** 11081 * Remove entries from the keystore daemon. Will only remove it if the 11082 * {@code appId} is valid. 11083 */ 11084 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11085 if (appId < 0) { 11086 return; 11087 } 11088 11089 final KeyStore keyStore = KeyStore.getInstance(); 11090 if (keyStore != null) { 11091 if (userId == UserHandle.USER_ALL) { 11092 for (final int individual : sUserManager.getUserIds()) { 11093 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11094 } 11095 } else { 11096 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11097 } 11098 } else { 11099 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11100 } 11101 } 11102 11103 @Override 11104 public void deleteApplicationCacheFiles(final String packageName, 11105 final IPackageDataObserver observer) { 11106 mContext.enforceCallingOrSelfPermission( 11107 android.Manifest.permission.DELETE_CACHE_FILES, null); 11108 // Queue up an async operation since the package deletion may take a little while. 11109 final int userId = UserHandle.getCallingUserId(); 11110 mHandler.post(new Runnable() { 11111 public void run() { 11112 mHandler.removeCallbacks(this); 11113 final boolean succeded; 11114 synchronized (mInstallLock) { 11115 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11116 } 11117 clearExternalStorageDataSync(packageName, userId, false); 11118 if(observer != null) { 11119 try { 11120 observer.onRemoveCompleted(packageName, succeded); 11121 } catch (RemoteException e) { 11122 Log.i(TAG, "Observer no longer exists."); 11123 } 11124 } //end if observer 11125 } //end run 11126 }); 11127 } 11128 11129 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11130 if (packageName == null) { 11131 Slog.w(TAG, "Attempt to delete null packageName."); 11132 return false; 11133 } 11134 PackageParser.Package p; 11135 synchronized (mPackages) { 11136 p = mPackages.get(packageName); 11137 } 11138 if (p == null) { 11139 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11140 return false; 11141 } 11142 final ApplicationInfo applicationInfo = p.applicationInfo; 11143 if (applicationInfo == null) { 11144 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11145 return false; 11146 } 11147 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11148 if (retCode < 0) { 11149 Slog.w(TAG, "Couldn't remove cache files for package: " 11150 + packageName + " u" + userId); 11151 return false; 11152 } 11153 return true; 11154 } 11155 11156 @Override 11157 public void getPackageSizeInfo(final String packageName, int userHandle, 11158 final IPackageStatsObserver observer) { 11159 mContext.enforceCallingOrSelfPermission( 11160 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11161 if (packageName == null) { 11162 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11163 } 11164 11165 PackageStats stats = new PackageStats(packageName, userHandle); 11166 11167 /* 11168 * Queue up an async operation since the package measurement may take a 11169 * little while. 11170 */ 11171 Message msg = mHandler.obtainMessage(INIT_COPY); 11172 msg.obj = new MeasureParams(stats, observer); 11173 mHandler.sendMessage(msg); 11174 } 11175 11176 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11177 PackageStats pStats) { 11178 if (packageName == null) { 11179 Slog.w(TAG, "Attempt to get size of null packageName."); 11180 return false; 11181 } 11182 PackageParser.Package p; 11183 boolean dataOnly = false; 11184 String libDirPath = null; 11185 String asecPath = null; 11186 PackageSetting ps = null; 11187 synchronized (mPackages) { 11188 p = mPackages.get(packageName); 11189 ps = mSettings.mPackages.get(packageName); 11190 if(p == null) { 11191 dataOnly = true; 11192 if((ps == null) || (ps.pkg == null)) { 11193 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11194 return false; 11195 } 11196 p = ps.pkg; 11197 } 11198 if (ps != null) { 11199 libDirPath = ps.nativeLibraryPathString; 11200 } 11201 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11202 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11203 if (secureContainerId != null) { 11204 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11205 } 11206 } 11207 } 11208 String publicSrcDir = null; 11209 if(!dataOnly) { 11210 final ApplicationInfo applicationInfo = p.applicationInfo; 11211 if (applicationInfo == null) { 11212 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11213 return false; 11214 } 11215 if (isForwardLocked(p)) { 11216 publicSrcDir = applicationInfo.publicSourceDir; 11217 } 11218 } 11219 int res = mInstaller.getSizeInfo(packageName, userHandle, p.codePath, libDirPath, 11220 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11221 pStats); 11222 if (res < 0) { 11223 return false; 11224 } 11225 11226 // Fix-up for forward-locked applications in ASEC containers. 11227 if (!isExternal(p)) { 11228 pStats.codeSize += pStats.externalCodeSize; 11229 pStats.externalCodeSize = 0L; 11230 } 11231 11232 return true; 11233 } 11234 11235 11236 @Override 11237 public void addPackageToPreferred(String packageName) { 11238 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11239 } 11240 11241 @Override 11242 public void removePackageFromPreferred(String packageName) { 11243 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11244 } 11245 11246 @Override 11247 public List<PackageInfo> getPreferredPackages(int flags) { 11248 return new ArrayList<PackageInfo>(); 11249 } 11250 11251 private int getUidTargetSdkVersionLockedLPr(int uid) { 11252 Object obj = mSettings.getUserIdLPr(uid); 11253 if (obj instanceof SharedUserSetting) { 11254 final SharedUserSetting sus = (SharedUserSetting) obj; 11255 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11256 final Iterator<PackageSetting> it = sus.packages.iterator(); 11257 while (it.hasNext()) { 11258 final PackageSetting ps = it.next(); 11259 if (ps.pkg != null) { 11260 int v = ps.pkg.applicationInfo.targetSdkVersion; 11261 if (v < vers) vers = v; 11262 } 11263 } 11264 return vers; 11265 } else if (obj instanceof PackageSetting) { 11266 final PackageSetting ps = (PackageSetting) obj; 11267 if (ps.pkg != null) { 11268 return ps.pkg.applicationInfo.targetSdkVersion; 11269 } 11270 } 11271 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11272 } 11273 11274 @Override 11275 public void addPreferredActivity(IntentFilter filter, int match, 11276 ComponentName[] set, ComponentName activity, int userId) { 11277 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11278 } 11279 11280 private void addPreferredActivityInternal(IntentFilter filter, int match, 11281 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11282 // writer 11283 int callingUid = Binder.getCallingUid(); 11284 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11285 if (filter.countActions() == 0) { 11286 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11287 return; 11288 } 11289 synchronized (mPackages) { 11290 if (mContext.checkCallingOrSelfPermission( 11291 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11292 != PackageManager.PERMISSION_GRANTED) { 11293 if (getUidTargetSdkVersionLockedLPr(callingUid) 11294 < Build.VERSION_CODES.FROYO) { 11295 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11296 + callingUid); 11297 return; 11298 } 11299 mContext.enforceCallingOrSelfPermission( 11300 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11301 } 11302 11303 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11304 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11305 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11306 new PreferredActivity(filter, match, set, activity, always)); 11307 mSettings.writePackageRestrictionsLPr(userId); 11308 } 11309 } 11310 11311 @Override 11312 public void replacePreferredActivity(IntentFilter filter, int match, 11313 ComponentName[] set, ComponentName activity) { 11314 if (filter.countActions() != 1) { 11315 throw new IllegalArgumentException( 11316 "replacePreferredActivity expects filter to have only 1 action."); 11317 } 11318 if (filter.countDataAuthorities() != 0 11319 || filter.countDataPaths() != 0 11320 || filter.countDataSchemes() > 1 11321 || filter.countDataTypes() != 0) { 11322 throw new IllegalArgumentException( 11323 "replacePreferredActivity expects filter to have no data authorities, " + 11324 "paths, or types; and at most one scheme."); 11325 } 11326 synchronized (mPackages) { 11327 if (mContext.checkCallingOrSelfPermission( 11328 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11329 != PackageManager.PERMISSION_GRANTED) { 11330 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11331 < Build.VERSION_CODES.FROYO) { 11332 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11333 + Binder.getCallingUid()); 11334 return; 11335 } 11336 mContext.enforceCallingOrSelfPermission( 11337 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11338 } 11339 11340 final int callingUserId = UserHandle.getCallingUserId(); 11341 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11342 if (pir != null) { 11343 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11344 if (filter.countDataSchemes() == 1) { 11345 Uri.Builder builder = new Uri.Builder(); 11346 builder.scheme(filter.getDataScheme(0)); 11347 intent.setData(builder.build()); 11348 } 11349 List<PreferredActivity> matches = pir.queryIntent( 11350 intent, null, true, callingUserId); 11351 if (DEBUG_PREFERRED) { 11352 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11353 } 11354 for (int i = 0; i < matches.size(); i++) { 11355 PreferredActivity pa = matches.get(i); 11356 if (DEBUG_PREFERRED) { 11357 Slog.i(TAG, "Removing preferred activity " 11358 + pa.mPref.mComponent + ":"); 11359 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11360 } 11361 pir.removeFilter(pa); 11362 } 11363 } 11364 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11365 } 11366 } 11367 11368 @Override 11369 public void clearPackagePreferredActivities(String packageName) { 11370 final int uid = Binder.getCallingUid(); 11371 // writer 11372 synchronized (mPackages) { 11373 PackageParser.Package pkg = mPackages.get(packageName); 11374 if (pkg == null || pkg.applicationInfo.uid != uid) { 11375 if (mContext.checkCallingOrSelfPermission( 11376 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11377 != PackageManager.PERMISSION_GRANTED) { 11378 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11379 < Build.VERSION_CODES.FROYO) { 11380 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11381 + Binder.getCallingUid()); 11382 return; 11383 } 11384 mContext.enforceCallingOrSelfPermission( 11385 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11386 } 11387 } 11388 11389 int user = UserHandle.getCallingUserId(); 11390 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11391 mSettings.writePackageRestrictionsLPr(user); 11392 scheduleWriteSettingsLocked(); 11393 } 11394 } 11395 } 11396 11397 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11398 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11399 ArrayList<PreferredActivity> removed = null; 11400 boolean changed = false; 11401 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11402 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11403 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11404 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11405 continue; 11406 } 11407 Iterator<PreferredActivity> it = pir.filterIterator(); 11408 while (it.hasNext()) { 11409 PreferredActivity pa = it.next(); 11410 // Mark entry for removal only if it matches the package name 11411 // and the entry is of type "always". 11412 if (packageName == null || 11413 (pa.mPref.mComponent.getPackageName().equals(packageName) 11414 && pa.mPref.mAlways)) { 11415 if (removed == null) { 11416 removed = new ArrayList<PreferredActivity>(); 11417 } 11418 removed.add(pa); 11419 } 11420 } 11421 if (removed != null) { 11422 for (int j=0; j<removed.size(); j++) { 11423 PreferredActivity pa = removed.get(j); 11424 pir.removeFilter(pa); 11425 } 11426 changed = true; 11427 } 11428 } 11429 return changed; 11430 } 11431 11432 @Override 11433 public void resetPreferredActivities(int userId) { 11434 mContext.enforceCallingOrSelfPermission( 11435 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11436 // writer 11437 synchronized (mPackages) { 11438 int user = UserHandle.getCallingUserId(); 11439 clearPackagePreferredActivitiesLPw(null, user); 11440 mSettings.readDefaultPreferredAppsLPw(this, user); 11441 mSettings.writePackageRestrictionsLPr(user); 11442 scheduleWriteSettingsLocked(); 11443 } 11444 } 11445 11446 @Override 11447 public int getPreferredActivities(List<IntentFilter> outFilters, 11448 List<ComponentName> outActivities, String packageName) { 11449 11450 int num = 0; 11451 final int userId = UserHandle.getCallingUserId(); 11452 // reader 11453 synchronized (mPackages) { 11454 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11455 if (pir != null) { 11456 final Iterator<PreferredActivity> it = pir.filterIterator(); 11457 while (it.hasNext()) { 11458 final PreferredActivity pa = it.next(); 11459 if (packageName == null 11460 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11461 && pa.mPref.mAlways)) { 11462 if (outFilters != null) { 11463 outFilters.add(new IntentFilter(pa)); 11464 } 11465 if (outActivities != null) { 11466 outActivities.add(pa.mPref.mComponent); 11467 } 11468 } 11469 } 11470 } 11471 } 11472 11473 return num; 11474 } 11475 11476 @Override 11477 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11478 int userId) { 11479 int callingUid = Binder.getCallingUid(); 11480 if (callingUid != Process.SYSTEM_UID) { 11481 throw new SecurityException( 11482 "addPersistentPreferredActivity can only be run by the system"); 11483 } 11484 if (filter.countActions() == 0) { 11485 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11486 return; 11487 } 11488 synchronized (mPackages) { 11489 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11490 " :"); 11491 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11492 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11493 new PersistentPreferredActivity(filter, activity)); 11494 mSettings.writePackageRestrictionsLPr(userId); 11495 } 11496 } 11497 11498 @Override 11499 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11500 int callingUid = Binder.getCallingUid(); 11501 if (callingUid != Process.SYSTEM_UID) { 11502 throw new SecurityException( 11503 "clearPackagePersistentPreferredActivities can only be run by the system"); 11504 } 11505 ArrayList<PersistentPreferredActivity> removed = null; 11506 boolean changed = false; 11507 synchronized (mPackages) { 11508 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11509 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11510 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11511 .valueAt(i); 11512 if (userId != thisUserId) { 11513 continue; 11514 } 11515 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11516 while (it.hasNext()) { 11517 PersistentPreferredActivity ppa = it.next(); 11518 // Mark entry for removal only if it matches the package name. 11519 if (ppa.mComponent.getPackageName().equals(packageName)) { 11520 if (removed == null) { 11521 removed = new ArrayList<PersistentPreferredActivity>(); 11522 } 11523 removed.add(ppa); 11524 } 11525 } 11526 if (removed != null) { 11527 for (int j=0; j<removed.size(); j++) { 11528 PersistentPreferredActivity ppa = removed.get(j); 11529 ppir.removeFilter(ppa); 11530 } 11531 changed = true; 11532 } 11533 } 11534 11535 if (changed) { 11536 mSettings.writePackageRestrictionsLPr(userId); 11537 } 11538 } 11539 } 11540 11541 @Override 11542 public void addCrossProfileIntentFilter(IntentFilter filter, boolean removable, 11543 int sourceUserId, int targetUserId) { 11544 mContext.enforceCallingOrSelfPermission( 11545 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11546 if (filter.countActions() == 0) { 11547 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11548 return; 11549 } 11550 synchronized (mPackages) { 11551 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter( 11552 new CrossProfileIntentFilter(filter, removable, targetUserId)); 11553 mSettings.writePackageRestrictionsLPr(sourceUserId); 11554 } 11555 } 11556 11557 @Override 11558 public void clearCrossProfileIntentFilters(int sourceUserId) { 11559 mContext.enforceCallingOrSelfPermission( 11560 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11561 synchronized (mPackages) { 11562 CrossProfileIntentResolver cpir = 11563 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11564 HashSet<CrossProfileIntentFilter> set = 11565 new HashSet<CrossProfileIntentFilter>(cpir.filterSet()); 11566 for (CrossProfileIntentFilter cpif : set) { 11567 if (cpif.isRemovable()) cpir.removeFilter(cpif); 11568 } 11569 mSettings.writePackageRestrictionsLPr(sourceUserId); 11570 } 11571 } 11572 11573 @Override 11574 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11575 Intent intent = new Intent(Intent.ACTION_MAIN); 11576 intent.addCategory(Intent.CATEGORY_HOME); 11577 11578 final int callingUserId = UserHandle.getCallingUserId(); 11579 List<ResolveInfo> list = queryIntentActivities(intent, null, 11580 PackageManager.GET_META_DATA, callingUserId); 11581 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11582 true, false, false, callingUserId); 11583 11584 allHomeCandidates.clear(); 11585 if (list != null) { 11586 for (ResolveInfo ri : list) { 11587 allHomeCandidates.add(ri); 11588 } 11589 } 11590 return (preferred == null || preferred.activityInfo == null) 11591 ? null 11592 : new ComponentName(preferred.activityInfo.packageName, 11593 preferred.activityInfo.name); 11594 } 11595 11596 @Override 11597 public void setApplicationEnabledSetting(String appPackageName, 11598 int newState, int flags, int userId, String callingPackage) { 11599 if (!sUserManager.exists(userId)) return; 11600 if (callingPackage == null) { 11601 callingPackage = Integer.toString(Binder.getCallingUid()); 11602 } 11603 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11604 } 11605 11606 @Override 11607 public void setComponentEnabledSetting(ComponentName componentName, 11608 int newState, int flags, int userId) { 11609 if (!sUserManager.exists(userId)) return; 11610 setEnabledSetting(componentName.getPackageName(), 11611 componentName.getClassName(), newState, flags, userId, null); 11612 } 11613 11614 private void setEnabledSetting(final String packageName, String className, int newState, 11615 final int flags, int userId, String callingPackage) { 11616 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11617 || newState == COMPONENT_ENABLED_STATE_ENABLED 11618 || newState == COMPONENT_ENABLED_STATE_DISABLED 11619 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11620 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11621 throw new IllegalArgumentException("Invalid new component state: " 11622 + newState); 11623 } 11624 PackageSetting pkgSetting; 11625 final int uid = Binder.getCallingUid(); 11626 final int permission = mContext.checkCallingOrSelfPermission( 11627 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11628 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11629 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11630 boolean sendNow = false; 11631 boolean isApp = (className == null); 11632 String componentName = isApp ? packageName : className; 11633 int packageUid = -1; 11634 ArrayList<String> components; 11635 11636 // writer 11637 synchronized (mPackages) { 11638 pkgSetting = mSettings.mPackages.get(packageName); 11639 if (pkgSetting == null) { 11640 if (className == null) { 11641 throw new IllegalArgumentException( 11642 "Unknown package: " + packageName); 11643 } 11644 throw new IllegalArgumentException( 11645 "Unknown component: " + packageName 11646 + "/" + className); 11647 } 11648 // Allow root and verify that userId is not being specified by a different user 11649 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11650 throw new SecurityException( 11651 "Permission Denial: attempt to change component state from pid=" 11652 + Binder.getCallingPid() 11653 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11654 } 11655 if (className == null) { 11656 // We're dealing with an application/package level state change 11657 if (pkgSetting.getEnabled(userId) == newState) { 11658 // Nothing to do 11659 return; 11660 } 11661 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11662 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11663 // Don't care about who enables an app. 11664 callingPackage = null; 11665 } 11666 pkgSetting.setEnabled(newState, userId, callingPackage); 11667 // pkgSetting.pkg.mSetEnabled = newState; 11668 } else { 11669 // We're dealing with a component level state change 11670 // First, verify that this is a valid class name. 11671 PackageParser.Package pkg = pkgSetting.pkg; 11672 if (pkg == null || !pkg.hasComponentClassName(className)) { 11673 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11674 throw new IllegalArgumentException("Component class " + className 11675 + " does not exist in " + packageName); 11676 } else { 11677 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11678 + className + " does not exist in " + packageName); 11679 } 11680 } 11681 switch (newState) { 11682 case COMPONENT_ENABLED_STATE_ENABLED: 11683 if (!pkgSetting.enableComponentLPw(className, userId)) { 11684 return; 11685 } 11686 break; 11687 case COMPONENT_ENABLED_STATE_DISABLED: 11688 if (!pkgSetting.disableComponentLPw(className, userId)) { 11689 return; 11690 } 11691 break; 11692 case COMPONENT_ENABLED_STATE_DEFAULT: 11693 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11694 return; 11695 } 11696 break; 11697 default: 11698 Slog.e(TAG, "Invalid new component state: " + newState); 11699 return; 11700 } 11701 } 11702 mSettings.writePackageRestrictionsLPr(userId); 11703 components = mPendingBroadcasts.get(userId, packageName); 11704 final boolean newPackage = components == null; 11705 if (newPackage) { 11706 components = new ArrayList<String>(); 11707 } 11708 if (!components.contains(componentName)) { 11709 components.add(componentName); 11710 } 11711 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11712 sendNow = true; 11713 // Purge entry from pending broadcast list if another one exists already 11714 // since we are sending one right away. 11715 mPendingBroadcasts.remove(userId, packageName); 11716 } else { 11717 if (newPackage) { 11718 mPendingBroadcasts.put(userId, packageName, components); 11719 } 11720 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11721 // Schedule a message 11722 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11723 } 11724 } 11725 } 11726 11727 long callingId = Binder.clearCallingIdentity(); 11728 try { 11729 if (sendNow) { 11730 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11731 sendPackageChangedBroadcast(packageName, 11732 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11733 } 11734 } finally { 11735 Binder.restoreCallingIdentity(callingId); 11736 } 11737 } 11738 11739 private void sendPackageChangedBroadcast(String packageName, 11740 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11741 if (DEBUG_INSTALL) 11742 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11743 + componentNames); 11744 Bundle extras = new Bundle(4); 11745 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11746 String nameList[] = new String[componentNames.size()]; 11747 componentNames.toArray(nameList); 11748 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11749 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11750 extras.putInt(Intent.EXTRA_UID, packageUid); 11751 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11752 new int[] {UserHandle.getUserId(packageUid)}); 11753 } 11754 11755 @Override 11756 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11757 if (!sUserManager.exists(userId)) return; 11758 final int uid = Binder.getCallingUid(); 11759 final int permission = mContext.checkCallingOrSelfPermission( 11760 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11761 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11762 enforceCrossUserPermission(uid, userId, true, "stop package"); 11763 // writer 11764 synchronized (mPackages) { 11765 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11766 uid, userId)) { 11767 scheduleWritePackageRestrictionsLocked(userId); 11768 } 11769 } 11770 } 11771 11772 @Override 11773 public String getInstallerPackageName(String packageName) { 11774 // reader 11775 synchronized (mPackages) { 11776 return mSettings.getInstallerPackageNameLPr(packageName); 11777 } 11778 } 11779 11780 @Override 11781 public int getApplicationEnabledSetting(String packageName, int userId) { 11782 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11783 int uid = Binder.getCallingUid(); 11784 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11785 // reader 11786 synchronized (mPackages) { 11787 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11788 } 11789 } 11790 11791 @Override 11792 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11793 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11794 int uid = Binder.getCallingUid(); 11795 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11796 // reader 11797 synchronized (mPackages) { 11798 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11799 } 11800 } 11801 11802 @Override 11803 public void enterSafeMode() { 11804 enforceSystemOrRoot("Only the system can request entering safe mode"); 11805 11806 if (!mSystemReady) { 11807 mSafeMode = true; 11808 } 11809 } 11810 11811 @Override 11812 public void systemReady() { 11813 mSystemReady = true; 11814 11815 // Read the compatibilty setting when the system is ready. 11816 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11817 mContext.getContentResolver(), 11818 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11819 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11820 if (DEBUG_SETTINGS) { 11821 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11822 } 11823 11824 synchronized (mPackages) { 11825 // Verify that all of the preferred activity components actually 11826 // exist. It is possible for applications to be updated and at 11827 // that point remove a previously declared activity component that 11828 // had been set as a preferred activity. We try to clean this up 11829 // the next time we encounter that preferred activity, but it is 11830 // possible for the user flow to never be able to return to that 11831 // situation so here we do a sanity check to make sure we haven't 11832 // left any junk around. 11833 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11834 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11835 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11836 removed.clear(); 11837 for (PreferredActivity pa : pir.filterSet()) { 11838 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11839 removed.add(pa); 11840 } 11841 } 11842 if (removed.size() > 0) { 11843 for (int r=0; r<removed.size(); r++) { 11844 PreferredActivity pa = removed.get(r); 11845 Slog.w(TAG, "Removing dangling preferred activity: " 11846 + pa.mPref.mComponent); 11847 pir.removeFilter(pa); 11848 } 11849 mSettings.writePackageRestrictionsLPr( 11850 mSettings.mPreferredActivities.keyAt(i)); 11851 } 11852 } 11853 } 11854 sUserManager.systemReady(); 11855 } 11856 11857 @Override 11858 public boolean isSafeMode() { 11859 return mSafeMode; 11860 } 11861 11862 @Override 11863 public boolean hasSystemUidErrors() { 11864 return mHasSystemUidErrors; 11865 } 11866 11867 static String arrayToString(int[] array) { 11868 StringBuffer buf = new StringBuffer(128); 11869 buf.append('['); 11870 if (array != null) { 11871 for (int i=0; i<array.length; i++) { 11872 if (i > 0) buf.append(", "); 11873 buf.append(array[i]); 11874 } 11875 } 11876 buf.append(']'); 11877 return buf.toString(); 11878 } 11879 11880 static class DumpState { 11881 public static final int DUMP_LIBS = 1 << 0; 11882 11883 public static final int DUMP_FEATURES = 1 << 1; 11884 11885 public static final int DUMP_RESOLVERS = 1 << 2; 11886 11887 public static final int DUMP_PERMISSIONS = 1 << 3; 11888 11889 public static final int DUMP_PACKAGES = 1 << 4; 11890 11891 public static final int DUMP_SHARED_USERS = 1 << 5; 11892 11893 public static final int DUMP_MESSAGES = 1 << 6; 11894 11895 public static final int DUMP_PROVIDERS = 1 << 7; 11896 11897 public static final int DUMP_VERIFIERS = 1 << 8; 11898 11899 public static final int DUMP_PREFERRED = 1 << 9; 11900 11901 public static final int DUMP_PREFERRED_XML = 1 << 10; 11902 11903 public static final int DUMP_KEYSETS = 1 << 11; 11904 11905 public static final int DUMP_VERSION = 1 << 12; 11906 11907 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11908 11909 private int mTypes; 11910 11911 private int mOptions; 11912 11913 private boolean mTitlePrinted; 11914 11915 private SharedUserSetting mSharedUser; 11916 11917 public boolean isDumping(int type) { 11918 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11919 return true; 11920 } 11921 11922 return (mTypes & type) != 0; 11923 } 11924 11925 public void setDump(int type) { 11926 mTypes |= type; 11927 } 11928 11929 public boolean isOptionEnabled(int option) { 11930 return (mOptions & option) != 0; 11931 } 11932 11933 public void setOptionEnabled(int option) { 11934 mOptions |= option; 11935 } 11936 11937 public boolean onTitlePrinted() { 11938 final boolean printed = mTitlePrinted; 11939 mTitlePrinted = true; 11940 return printed; 11941 } 11942 11943 public boolean getTitlePrinted() { 11944 return mTitlePrinted; 11945 } 11946 11947 public void setTitlePrinted(boolean enabled) { 11948 mTitlePrinted = enabled; 11949 } 11950 11951 public SharedUserSetting getSharedUser() { 11952 return mSharedUser; 11953 } 11954 11955 public void setSharedUser(SharedUserSetting user) { 11956 mSharedUser = user; 11957 } 11958 } 11959 11960 @Override 11961 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11962 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11963 != PackageManager.PERMISSION_GRANTED) { 11964 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11965 + Binder.getCallingPid() 11966 + ", uid=" + Binder.getCallingUid() 11967 + " without permission " 11968 + android.Manifest.permission.DUMP); 11969 return; 11970 } 11971 11972 DumpState dumpState = new DumpState(); 11973 boolean fullPreferred = false; 11974 boolean checkin = false; 11975 11976 String packageName = null; 11977 11978 int opti = 0; 11979 while (opti < args.length) { 11980 String opt = args[opti]; 11981 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11982 break; 11983 } 11984 opti++; 11985 if ("-a".equals(opt)) { 11986 // Right now we only know how to print all. 11987 } else if ("-h".equals(opt)) { 11988 pw.println("Package manager dump options:"); 11989 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11990 pw.println(" --checkin: dump for a checkin"); 11991 pw.println(" -f: print details of intent filters"); 11992 pw.println(" -h: print this help"); 11993 pw.println(" cmd may be one of:"); 11994 pw.println(" l[ibraries]: list known shared libraries"); 11995 pw.println(" f[ibraries]: list device features"); 11996 pw.println(" k[eysets]: print known keysets"); 11997 pw.println(" r[esolvers]: dump intent resolvers"); 11998 pw.println(" perm[issions]: dump permissions"); 11999 pw.println(" pref[erred]: print preferred package settings"); 12000 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12001 pw.println(" prov[iders]: dump content providers"); 12002 pw.println(" p[ackages]: dump installed packages"); 12003 pw.println(" s[hared-users]: dump shared user IDs"); 12004 pw.println(" m[essages]: print collected runtime messages"); 12005 pw.println(" v[erifiers]: print package verifier info"); 12006 pw.println(" version: print database version info"); 12007 pw.println(" write: write current settings now"); 12008 pw.println(" <package.name>: info about given package"); 12009 return; 12010 } else if ("--checkin".equals(opt)) { 12011 checkin = true; 12012 } else if ("-f".equals(opt)) { 12013 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12014 } else { 12015 pw.println("Unknown argument: " + opt + "; use -h for help"); 12016 } 12017 } 12018 12019 // Is the caller requesting to dump a particular piece of data? 12020 if (opti < args.length) { 12021 String cmd = args[opti]; 12022 opti++; 12023 // Is this a package name? 12024 if ("android".equals(cmd) || cmd.contains(".")) { 12025 packageName = cmd; 12026 // When dumping a single package, we always dump all of its 12027 // filter information since the amount of data will be reasonable. 12028 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12029 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12030 dumpState.setDump(DumpState.DUMP_LIBS); 12031 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12032 dumpState.setDump(DumpState.DUMP_FEATURES); 12033 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12034 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12035 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12036 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12037 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12038 dumpState.setDump(DumpState.DUMP_PREFERRED); 12039 } else if ("preferred-xml".equals(cmd)) { 12040 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12041 if (opti < args.length && "--full".equals(args[opti])) { 12042 fullPreferred = true; 12043 opti++; 12044 } 12045 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12046 dumpState.setDump(DumpState.DUMP_PACKAGES); 12047 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12048 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12049 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12050 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12051 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12052 dumpState.setDump(DumpState.DUMP_MESSAGES); 12053 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12054 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12055 } else if ("version".equals(cmd)) { 12056 dumpState.setDump(DumpState.DUMP_VERSION); 12057 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12058 dumpState.setDump(DumpState.DUMP_KEYSETS); 12059 } else if ("write".equals(cmd)) { 12060 synchronized (mPackages) { 12061 mSettings.writeLPr(); 12062 pw.println("Settings written."); 12063 return; 12064 } 12065 } 12066 } 12067 12068 if (checkin) { 12069 pw.println("vers,1"); 12070 } 12071 12072 // reader 12073 synchronized (mPackages) { 12074 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12075 if (!checkin) { 12076 if (dumpState.onTitlePrinted()) 12077 pw.println(); 12078 pw.println("Database versions:"); 12079 pw.print(" SDK Version:"); 12080 pw.print(" internal="); 12081 pw.print(mSettings.mInternalSdkPlatform); 12082 pw.print(" external="); 12083 pw.println(mSettings.mExternalSdkPlatform); 12084 pw.print(" DB Version:"); 12085 pw.print(" internal="); 12086 pw.print(mSettings.mInternalDatabaseVersion); 12087 pw.print(" external="); 12088 pw.println(mSettings.mExternalDatabaseVersion); 12089 } 12090 } 12091 12092 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12093 if (!checkin) { 12094 if (dumpState.onTitlePrinted()) 12095 pw.println(); 12096 pw.println("Verifiers:"); 12097 pw.print(" Required: "); 12098 pw.print(mRequiredVerifierPackage); 12099 pw.print(" (uid="); 12100 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12101 pw.println(")"); 12102 } else if (mRequiredVerifierPackage != null) { 12103 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12104 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12105 } 12106 } 12107 12108 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12109 boolean printedHeader = false; 12110 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12111 while (it.hasNext()) { 12112 String name = it.next(); 12113 SharedLibraryEntry ent = mSharedLibraries.get(name); 12114 if (!checkin) { 12115 if (!printedHeader) { 12116 if (dumpState.onTitlePrinted()) 12117 pw.println(); 12118 pw.println("Libraries:"); 12119 printedHeader = true; 12120 } 12121 pw.print(" "); 12122 } else { 12123 pw.print("lib,"); 12124 } 12125 pw.print(name); 12126 if (!checkin) { 12127 pw.print(" -> "); 12128 } 12129 if (ent.path != null) { 12130 if (!checkin) { 12131 pw.print("(jar) "); 12132 pw.print(ent.path); 12133 } else { 12134 pw.print(",jar,"); 12135 pw.print(ent.path); 12136 } 12137 } else { 12138 if (!checkin) { 12139 pw.print("(apk) "); 12140 pw.print(ent.apk); 12141 } else { 12142 pw.print(",apk,"); 12143 pw.print(ent.apk); 12144 } 12145 } 12146 pw.println(); 12147 } 12148 } 12149 12150 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12151 if (dumpState.onTitlePrinted()) 12152 pw.println(); 12153 if (!checkin) { 12154 pw.println("Features:"); 12155 } 12156 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12157 while (it.hasNext()) { 12158 String name = it.next(); 12159 if (!checkin) { 12160 pw.print(" "); 12161 } else { 12162 pw.print("feat,"); 12163 } 12164 pw.println(name); 12165 } 12166 } 12167 12168 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12169 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12170 : "Activity Resolver Table:", " ", packageName, 12171 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12172 dumpState.setTitlePrinted(true); 12173 } 12174 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12175 : "Receiver Resolver Table:", " ", packageName, 12176 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12177 dumpState.setTitlePrinted(true); 12178 } 12179 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12180 : "Service Resolver Table:", " ", packageName, 12181 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12182 dumpState.setTitlePrinted(true); 12183 } 12184 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12185 : "Provider Resolver Table:", " ", packageName, 12186 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12187 dumpState.setTitlePrinted(true); 12188 } 12189 } 12190 12191 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12192 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12193 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12194 int user = mSettings.mPreferredActivities.keyAt(i); 12195 if (pir.dump(pw, 12196 dumpState.getTitlePrinted() 12197 ? "\nPreferred Activities User " + user + ":" 12198 : "Preferred Activities User " + user + ":", " ", 12199 packageName, true)) { 12200 dumpState.setTitlePrinted(true); 12201 } 12202 } 12203 } 12204 12205 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12206 pw.flush(); 12207 FileOutputStream fout = new FileOutputStream(fd); 12208 BufferedOutputStream str = new BufferedOutputStream(fout); 12209 XmlSerializer serializer = new FastXmlSerializer(); 12210 try { 12211 serializer.setOutput(str, "utf-8"); 12212 serializer.startDocument(null, true); 12213 serializer.setFeature( 12214 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12215 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12216 serializer.endDocument(); 12217 serializer.flush(); 12218 } catch (IllegalArgumentException e) { 12219 pw.println("Failed writing: " + e); 12220 } catch (IllegalStateException e) { 12221 pw.println("Failed writing: " + e); 12222 } catch (IOException e) { 12223 pw.println("Failed writing: " + e); 12224 } 12225 } 12226 12227 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12228 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12229 } 12230 12231 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12232 boolean printedSomething = false; 12233 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12234 if (packageName != null && !packageName.equals(p.info.packageName)) { 12235 continue; 12236 } 12237 if (!printedSomething) { 12238 if (dumpState.onTitlePrinted()) 12239 pw.println(); 12240 pw.println("Registered ContentProviders:"); 12241 printedSomething = true; 12242 } 12243 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12244 pw.print(" "); pw.println(p.toString()); 12245 } 12246 printedSomething = false; 12247 for (Map.Entry<String, PackageParser.Provider> entry : 12248 mProvidersByAuthority.entrySet()) { 12249 PackageParser.Provider p = entry.getValue(); 12250 if (packageName != null && !packageName.equals(p.info.packageName)) { 12251 continue; 12252 } 12253 if (!printedSomething) { 12254 if (dumpState.onTitlePrinted()) 12255 pw.println(); 12256 pw.println("ContentProvider Authorities:"); 12257 printedSomething = true; 12258 } 12259 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12260 pw.print(" "); pw.println(p.toString()); 12261 if (p.info != null && p.info.applicationInfo != null) { 12262 final String appInfo = p.info.applicationInfo.toString(); 12263 pw.print(" applicationInfo="); pw.println(appInfo); 12264 } 12265 } 12266 } 12267 12268 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12269 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12270 } 12271 12272 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12273 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12274 } 12275 12276 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12277 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12278 } 12279 12280 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12281 if (dumpState.onTitlePrinted()) 12282 pw.println(); 12283 mSettings.dumpReadMessagesLPr(pw, dumpState); 12284 12285 pw.println(); 12286 pw.println("Package warning messages:"); 12287 final File fname = getSettingsProblemFile(); 12288 FileInputStream in = null; 12289 try { 12290 in = new FileInputStream(fname); 12291 final int avail = in.available(); 12292 final byte[] data = new byte[avail]; 12293 in.read(data); 12294 pw.print(new String(data)); 12295 } catch (FileNotFoundException e) { 12296 } catch (IOException e) { 12297 } finally { 12298 if (in != null) { 12299 try { 12300 in.close(); 12301 } catch (IOException e) { 12302 } 12303 } 12304 } 12305 } 12306 } 12307 } 12308 12309 // ------- apps on sdcard specific code ------- 12310 static final boolean DEBUG_SD_INSTALL = false; 12311 12312 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12313 12314 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12315 12316 private boolean mMediaMounted = false; 12317 12318 private String getEncryptKey() { 12319 try { 12320 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12321 SD_ENCRYPTION_KEYSTORE_NAME); 12322 if (sdEncKey == null) { 12323 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12324 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12325 if (sdEncKey == null) { 12326 Slog.e(TAG, "Failed to create encryption keys"); 12327 return null; 12328 } 12329 } 12330 return sdEncKey; 12331 } catch (NoSuchAlgorithmException nsae) { 12332 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12333 return null; 12334 } catch (IOException ioe) { 12335 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12336 return null; 12337 } 12338 12339 } 12340 12341 /* package */static String getTempContainerId() { 12342 int tmpIdx = 1; 12343 String list[] = PackageHelper.getSecureContainerList(); 12344 if (list != null) { 12345 for (final String name : list) { 12346 // Ignore null and non-temporary container entries 12347 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12348 continue; 12349 } 12350 12351 String subStr = name.substring(mTempContainerPrefix.length()); 12352 try { 12353 int cid = Integer.parseInt(subStr); 12354 if (cid >= tmpIdx) { 12355 tmpIdx = cid + 1; 12356 } 12357 } catch (NumberFormatException e) { 12358 } 12359 } 12360 } 12361 return mTempContainerPrefix + tmpIdx; 12362 } 12363 12364 /* 12365 * Update media status on PackageManager. 12366 */ 12367 @Override 12368 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12369 int callingUid = Binder.getCallingUid(); 12370 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12371 throw new SecurityException("Media status can only be updated by the system"); 12372 } 12373 // reader; this apparently protects mMediaMounted, but should probably 12374 // be a different lock in that case. 12375 synchronized (mPackages) { 12376 Log.i(TAG, "Updating external media status from " 12377 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12378 + (mediaStatus ? "mounted" : "unmounted")); 12379 if (DEBUG_SD_INSTALL) 12380 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12381 + ", mMediaMounted=" + mMediaMounted); 12382 if (mediaStatus == mMediaMounted) { 12383 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12384 : 0, -1); 12385 mHandler.sendMessage(msg); 12386 return; 12387 } 12388 mMediaMounted = mediaStatus; 12389 } 12390 // Queue up an async operation since the package installation may take a 12391 // little while. 12392 mHandler.post(new Runnable() { 12393 public void run() { 12394 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12395 } 12396 }); 12397 } 12398 12399 /** 12400 * Called by MountService when the initial ASECs to scan are available. 12401 * Should block until all the ASEC containers are finished being scanned. 12402 */ 12403 public void scanAvailableAsecs() { 12404 updateExternalMediaStatusInner(true, false, false); 12405 if (mShouldRestoreconData) { 12406 SELinuxMMAC.setRestoreconDone(); 12407 mShouldRestoreconData = false; 12408 } 12409 } 12410 12411 /* 12412 * Collect information of applications on external media, map them against 12413 * existing containers and update information based on current mount status. 12414 * Please note that we always have to report status if reportStatus has been 12415 * set to true especially when unloading packages. 12416 */ 12417 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12418 boolean externalStorage) { 12419 // Collection of uids 12420 int uidArr[] = null; 12421 // Collection of stale containers 12422 HashSet<String> removeCids = new HashSet<String>(); 12423 // Collection of packages on external media with valid containers. 12424 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12425 // Get list of secure containers. 12426 final String list[] = PackageHelper.getSecureContainerList(); 12427 if (list == null || list.length == 0) { 12428 Log.i(TAG, "No secure containers on sdcard"); 12429 } else { 12430 // Process list of secure containers and categorize them 12431 // as active or stale based on their package internal state. 12432 int uidList[] = new int[list.length]; 12433 int num = 0; 12434 // reader 12435 synchronized (mPackages) { 12436 for (String cid : list) { 12437 if (DEBUG_SD_INSTALL) 12438 Log.i(TAG, "Processing container " + cid); 12439 String pkgName = getAsecPackageName(cid); 12440 if (pkgName == null) { 12441 if (DEBUG_SD_INSTALL) 12442 Log.i(TAG, "Container : " + cid + " stale"); 12443 removeCids.add(cid); 12444 continue; 12445 } 12446 if (DEBUG_SD_INSTALL) 12447 Log.i(TAG, "Looking for pkg : " + pkgName); 12448 12449 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12450 if (ps == null) { 12451 Log.i(TAG, "Deleting container with no matching settings " + cid); 12452 removeCids.add(cid); 12453 continue; 12454 } 12455 12456 /* 12457 * Skip packages that are not external if we're unmounting 12458 * external storage. 12459 */ 12460 if (externalStorage && !isMounted && !isExternal(ps)) { 12461 continue; 12462 } 12463 12464 final AsecInstallArgs args = new AsecInstallArgs(cid, 12465 getAppInstructionSetFromSettings(ps), 12466 isForwardLocked(ps)); 12467 // The package status is changed only if the code path 12468 // matches between settings and the container id. 12469 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12470 if (DEBUG_SD_INSTALL) { 12471 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12472 + " at code path: " + ps.codePathString); 12473 } 12474 12475 // We do have a valid package installed on sdcard 12476 processCids.put(args, ps.codePathString); 12477 final int uid = ps.appId; 12478 if (uid != -1) { 12479 uidList[num++] = uid; 12480 } 12481 } else { 12482 Log.i(TAG, "Deleting stale container for " + cid); 12483 removeCids.add(cid); 12484 } 12485 } 12486 } 12487 12488 if (num > 0) { 12489 // Sort uid list 12490 Arrays.sort(uidList, 0, num); 12491 // Throw away duplicates 12492 uidArr = new int[num]; 12493 uidArr[0] = uidList[0]; 12494 int di = 0; 12495 for (int i = 1; i < num; i++) { 12496 if (uidList[i - 1] != uidList[i]) { 12497 uidArr[di++] = uidList[i]; 12498 } 12499 } 12500 } 12501 } 12502 // Process packages with valid entries. 12503 if (isMounted) { 12504 if (DEBUG_SD_INSTALL) 12505 Log.i(TAG, "Loading packages"); 12506 loadMediaPackages(processCids, uidArr, removeCids); 12507 startCleaningPackages(); 12508 } else { 12509 if (DEBUG_SD_INSTALL) 12510 Log.i(TAG, "Unloading packages"); 12511 unloadMediaPackages(processCids, uidArr, reportStatus); 12512 } 12513 } 12514 12515 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12516 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12517 int size = pkgList.size(); 12518 if (size > 0) { 12519 // Send broadcasts here 12520 Bundle extras = new Bundle(); 12521 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12522 .toArray(new String[size])); 12523 if (uidArr != null) { 12524 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12525 } 12526 if (replacing) { 12527 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12528 } 12529 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12530 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12531 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12532 } 12533 } 12534 12535 /* 12536 * Look at potentially valid container ids from processCids If package 12537 * information doesn't match the one on record or package scanning fails, 12538 * the cid is added to list of removeCids. We currently don't delete stale 12539 * containers. 12540 */ 12541 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12542 HashSet<String> removeCids) { 12543 ArrayList<String> pkgList = new ArrayList<String>(); 12544 Set<AsecInstallArgs> keys = processCids.keySet(); 12545 boolean doGc = false; 12546 for (AsecInstallArgs args : keys) { 12547 String codePath = processCids.get(args); 12548 if (DEBUG_SD_INSTALL) 12549 Log.i(TAG, "Loading container : " + args.cid); 12550 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12551 try { 12552 // Make sure there are no container errors first. 12553 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12554 Slog.e(TAG, "Failed to mount cid : " + args.cid 12555 + " when installing from sdcard"); 12556 continue; 12557 } 12558 // Check code path here. 12559 if (codePath == null || !codePath.equals(args.getCodePath())) { 12560 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12561 + " does not match one in settings " + codePath); 12562 continue; 12563 } 12564 // Parse package 12565 int parseFlags = mDefParseFlags; 12566 if (args.isExternal()) { 12567 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12568 } 12569 if (args.isFwdLocked()) { 12570 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12571 } 12572 12573 doGc = true; 12574 synchronized (mInstallLock) { 12575 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12576 0, 0, null, null); 12577 // Scan the package 12578 if (pkg != null) { 12579 /* 12580 * TODO why is the lock being held? doPostInstall is 12581 * called in other places without the lock. This needs 12582 * to be straightened out. 12583 */ 12584 // writer 12585 synchronized (mPackages) { 12586 retCode = PackageManager.INSTALL_SUCCEEDED; 12587 pkgList.add(pkg.packageName); 12588 // Post process args 12589 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12590 pkg.applicationInfo.uid); 12591 } 12592 } else { 12593 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12594 } 12595 } 12596 12597 } finally { 12598 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12599 // Don't destroy container here. Wait till gc clears things 12600 // up. 12601 removeCids.add(args.cid); 12602 } 12603 } 12604 } 12605 // writer 12606 synchronized (mPackages) { 12607 // If the platform SDK has changed since the last time we booted, 12608 // we need to re-grant app permission to catch any new ones that 12609 // appear. This is really a hack, and means that apps can in some 12610 // cases get permissions that the user didn't initially explicitly 12611 // allow... it would be nice to have some better way to handle 12612 // this situation. 12613 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12614 if (regrantPermissions) 12615 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12616 + mSdkVersion + "; regranting permissions for external storage"); 12617 mSettings.mExternalSdkPlatform = mSdkVersion; 12618 12619 // Make sure group IDs have been assigned, and any permission 12620 // changes in other apps are accounted for 12621 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12622 | (regrantPermissions 12623 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12624 : 0)); 12625 12626 mSettings.updateExternalDatabaseVersion(); 12627 12628 // can downgrade to reader 12629 // Persist settings 12630 mSettings.writeLPr(); 12631 } 12632 // Send a broadcast to let everyone know we are done processing 12633 if (pkgList.size() > 0) { 12634 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12635 } 12636 // Force gc to avoid any stale parser references that we might have. 12637 if (doGc) { 12638 Runtime.getRuntime().gc(); 12639 } 12640 // List stale containers and destroy stale temporary containers. 12641 if (removeCids != null) { 12642 for (String cid : removeCids) { 12643 if (cid.startsWith(mTempContainerPrefix)) { 12644 Log.i(TAG, "Destroying stale temporary container " + cid); 12645 PackageHelper.destroySdDir(cid); 12646 } else { 12647 Log.w(TAG, "Container " + cid + " is stale"); 12648 } 12649 } 12650 } 12651 } 12652 12653 /* 12654 * Utility method to unload a list of specified containers 12655 */ 12656 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12657 // Just unmount all valid containers. 12658 for (AsecInstallArgs arg : cidArgs) { 12659 synchronized (mInstallLock) { 12660 arg.doPostDeleteLI(false); 12661 } 12662 } 12663 } 12664 12665 /* 12666 * Unload packages mounted on external media. This involves deleting package 12667 * data from internal structures, sending broadcasts about diabled packages, 12668 * gc'ing to free up references, unmounting all secure containers 12669 * corresponding to packages on external media, and posting a 12670 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12671 * that we always have to post this message if status has been requested no 12672 * matter what. 12673 */ 12674 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12675 final boolean reportStatus) { 12676 if (DEBUG_SD_INSTALL) 12677 Log.i(TAG, "unloading media packages"); 12678 ArrayList<String> pkgList = new ArrayList<String>(); 12679 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12680 final Set<AsecInstallArgs> keys = processCids.keySet(); 12681 for (AsecInstallArgs args : keys) { 12682 String pkgName = args.getPackageName(); 12683 if (DEBUG_SD_INSTALL) 12684 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12685 // Delete package internally 12686 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12687 synchronized (mInstallLock) { 12688 boolean res = deletePackageLI(pkgName, null, false, null, null, 12689 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12690 if (res) { 12691 pkgList.add(pkgName); 12692 } else { 12693 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12694 failedList.add(args); 12695 } 12696 } 12697 } 12698 12699 // reader 12700 synchronized (mPackages) { 12701 // We didn't update the settings after removing each package; 12702 // write them now for all packages. 12703 mSettings.writeLPr(); 12704 } 12705 12706 // We have to absolutely send UPDATED_MEDIA_STATUS only 12707 // after confirming that all the receivers processed the ordered 12708 // broadcast when packages get disabled, force a gc to clean things up. 12709 // and unload all the containers. 12710 if (pkgList.size() > 0) { 12711 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12712 new IIntentReceiver.Stub() { 12713 public void performReceive(Intent intent, int resultCode, String data, 12714 Bundle extras, boolean ordered, boolean sticky, 12715 int sendingUser) throws RemoteException { 12716 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12717 reportStatus ? 1 : 0, 1, keys); 12718 mHandler.sendMessage(msg); 12719 } 12720 }); 12721 } else { 12722 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12723 keys); 12724 mHandler.sendMessage(msg); 12725 } 12726 } 12727 12728 /** Binder call */ 12729 @Override 12730 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12731 final int flags) { 12732 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12733 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12734 int returnCode = PackageManager.MOVE_SUCCEEDED; 12735 int currFlags = 0; 12736 int newFlags = 0; 12737 // reader 12738 synchronized (mPackages) { 12739 PackageParser.Package pkg = mPackages.get(packageName); 12740 if (pkg == null) { 12741 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12742 } else { 12743 // Disable moving fwd locked apps and system packages 12744 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12745 Slog.w(TAG, "Cannot move system application"); 12746 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12747 } else if (pkg.mOperationPending) { 12748 Slog.w(TAG, "Attempt to move package which has pending operations"); 12749 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12750 } else { 12751 // Find install location first 12752 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12753 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12754 Slog.w(TAG, "Ambigous flags specified for move location."); 12755 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12756 } else { 12757 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12758 : PackageManager.INSTALL_INTERNAL; 12759 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12760 : PackageManager.INSTALL_INTERNAL; 12761 12762 if (newFlags == currFlags) { 12763 Slog.w(TAG, "No move required. Trying to move to same location"); 12764 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12765 } else { 12766 if (isForwardLocked(pkg)) { 12767 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12768 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12769 } 12770 } 12771 } 12772 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12773 pkg.mOperationPending = true; 12774 } 12775 } 12776 } 12777 12778 /* 12779 * TODO this next block probably shouldn't be inside the lock. We 12780 * can't guarantee these won't change after this is fired off 12781 * anyway. 12782 */ 12783 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12784 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12785 null, -1, user), 12786 returnCode); 12787 } else { 12788 Message msg = mHandler.obtainMessage(INIT_COPY); 12789 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12790 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12791 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12792 instructionSet); 12793 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12794 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12795 msg.obj = mp; 12796 mHandler.sendMessage(msg); 12797 } 12798 } 12799 } 12800 12801 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12802 // Queue up an async operation since the package deletion may take a 12803 // little while. 12804 mHandler.post(new Runnable() { 12805 public void run() { 12806 // TODO fix this; this does nothing. 12807 mHandler.removeCallbacks(this); 12808 int returnCode = currentStatus; 12809 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12810 int uidArr[] = null; 12811 ArrayList<String> pkgList = null; 12812 synchronized (mPackages) { 12813 PackageParser.Package pkg = mPackages.get(mp.packageName); 12814 if (pkg == null) { 12815 Slog.w(TAG, " Package " + mp.packageName 12816 + " doesn't exist. Aborting move"); 12817 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12818 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12819 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12820 + mp.srcArgs.getCodePath() + " to " 12821 + pkg.applicationInfo.sourceDir 12822 + " Aborting move and returning error"); 12823 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12824 } else { 12825 uidArr = new int[] { 12826 pkg.applicationInfo.uid 12827 }; 12828 pkgList = new ArrayList<String>(); 12829 pkgList.add(mp.packageName); 12830 } 12831 } 12832 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12833 // Send resources unavailable broadcast 12834 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12835 // Update package code and resource paths 12836 synchronized (mInstallLock) { 12837 synchronized (mPackages) { 12838 PackageParser.Package pkg = mPackages.get(mp.packageName); 12839 // Recheck for package again. 12840 if (pkg == null) { 12841 Slog.w(TAG, " Package " + mp.packageName 12842 + " doesn't exist. Aborting move"); 12843 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12844 } else if (!mp.srcArgs.getCodePath().equals( 12845 pkg.applicationInfo.sourceDir)) { 12846 Slog.w(TAG, "Package " + mp.packageName 12847 + " code path changed from " + mp.srcArgs.getCodePath() 12848 + " to " + pkg.applicationInfo.sourceDir 12849 + " Aborting move and returning error"); 12850 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12851 } else { 12852 final String oldCodePath = pkg.codePath; 12853 final String newCodePath = mp.targetArgs.getCodePath(); 12854 final String newResPath = mp.targetArgs.getResourcePath(); 12855 final String newNativePath = mp.targetArgs 12856 .getNativeLibraryPath(); 12857 12858 final File newNativeDir = new File(newNativePath); 12859 12860 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12861 // NOTE: We do not report any errors from the APK scan and library 12862 // copy at this point. 12863 NativeLibraryHelper.ApkHandle handle = 12864 new NativeLibraryHelper.ApkHandle(newCodePath); 12865 final int abi = NativeLibraryHelper.findSupportedAbi( 12866 handle, Build.SUPPORTED_ABIS); 12867 if (abi >= 0) { 12868 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12869 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12870 } 12871 handle.close(); 12872 } 12873 final int[] users = sUserManager.getUserIds(); 12874 for (int user : users) { 12875 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12876 newNativePath, user) < 0) { 12877 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12878 } 12879 } 12880 12881 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12882 pkg.codePath = newCodePath; 12883 // Move dex files around 12884 if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) { 12885 // Moving of dex files failed. Set 12886 // error code and abort move. 12887 pkg.codePath = oldCodePath; 12888 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12889 } 12890 } 12891 12892 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12893 pkg.applicationInfo.sourceDir = newCodePath; 12894 pkg.applicationInfo.publicSourceDir = newResPath; 12895 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12896 PackageSetting ps = (PackageSetting) pkg.mExtras; 12897 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12898 ps.codePathString = ps.codePath.getPath(); 12899 ps.resourcePath = new File( 12900 pkg.applicationInfo.publicSourceDir); 12901 ps.resourcePathString = ps.resourcePath.getPath(); 12902 ps.nativeLibraryPathString = newNativePath; 12903 // Set the application info flag 12904 // correctly. 12905 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12906 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12907 } else { 12908 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12909 } 12910 ps.setFlags(pkg.applicationInfo.flags); 12911 mAppDirs.remove(oldCodePath); 12912 mAppDirs.put(newCodePath, pkg); 12913 // Persist settings 12914 mSettings.writeLPr(); 12915 } 12916 } 12917 } 12918 } 12919 // Send resources available broadcast 12920 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12921 } 12922 } 12923 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12924 // Clean up failed installation 12925 if (mp.targetArgs != null) { 12926 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12927 -1); 12928 } 12929 } else { 12930 // Force a gc to clear things up. 12931 Runtime.getRuntime().gc(); 12932 // Delete older code 12933 synchronized (mInstallLock) { 12934 mp.srcArgs.doPostDeleteLI(true); 12935 } 12936 } 12937 12938 // Allow more operations on this file if we didn't fail because 12939 // an operation was already pending for this package. 12940 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12941 synchronized (mPackages) { 12942 PackageParser.Package pkg = mPackages.get(mp.packageName); 12943 if (pkg != null) { 12944 pkg.mOperationPending = false; 12945 } 12946 } 12947 } 12948 12949 IPackageMoveObserver observer = mp.observer; 12950 if (observer != null) { 12951 try { 12952 observer.packageMoved(mp.packageName, returnCode); 12953 } catch (RemoteException e) { 12954 Log.i(TAG, "Observer no longer exists."); 12955 } 12956 } 12957 } 12958 }); 12959 } 12960 12961 @Override 12962 public boolean setInstallLocation(int loc) { 12963 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12964 null); 12965 if (getInstallLocation() == loc) { 12966 return true; 12967 } 12968 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12969 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12970 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12971 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12972 return true; 12973 } 12974 return false; 12975 } 12976 12977 @Override 12978 public int getInstallLocation() { 12979 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12980 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12981 PackageHelper.APP_INSTALL_AUTO); 12982 } 12983 12984 /** Called by UserManagerService */ 12985 void cleanUpUserLILPw(int userHandle) { 12986 mDirtyUsers.remove(userHandle); 12987 mSettings.removeUserLPr(userHandle); 12988 mPendingBroadcasts.remove(userHandle); 12989 if (mInstaller != null) { 12990 // Technically, we shouldn't be doing this with the package lock 12991 // held. However, this is very rare, and there is already so much 12992 // other disk I/O going on, that we'll let it slide for now. 12993 mInstaller.removeUserDataDirs(userHandle); 12994 } 12995 } 12996 12997 /** Called by UserManagerService */ 12998 void createNewUserLILPw(int userHandle, File path) { 12999 if (mInstaller != null) { 13000 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13001 } 13002 } 13003 13004 @Override 13005 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13006 mContext.enforceCallingOrSelfPermission( 13007 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13008 "Only package verification agents can read the verifier device identity"); 13009 13010 synchronized (mPackages) { 13011 return mSettings.getVerifierDeviceIdentityLPw(); 13012 } 13013 } 13014 13015 @Override 13016 public void setPermissionEnforced(String permission, boolean enforced) { 13017 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13018 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13019 synchronized (mPackages) { 13020 if (mSettings.mReadExternalStorageEnforced == null 13021 || mSettings.mReadExternalStorageEnforced != enforced) { 13022 mSettings.mReadExternalStorageEnforced = enforced; 13023 mSettings.writeLPr(); 13024 } 13025 } 13026 // kill any non-foreground processes so we restart them and 13027 // grant/revoke the GID. 13028 final IActivityManager am = ActivityManagerNative.getDefault(); 13029 if (am != null) { 13030 final long token = Binder.clearCallingIdentity(); 13031 try { 13032 am.killProcessesBelowForeground("setPermissionEnforcement"); 13033 } catch (RemoteException e) { 13034 } finally { 13035 Binder.restoreCallingIdentity(token); 13036 } 13037 } 13038 } else { 13039 throw new IllegalArgumentException("No selective enforcement for " + permission); 13040 } 13041 } 13042 13043 @Override 13044 @Deprecated 13045 public boolean isPermissionEnforced(String permission) { 13046 return true; 13047 } 13048 13049 @Override 13050 public boolean isStorageLow() { 13051 final long token = Binder.clearCallingIdentity(); 13052 try { 13053 final DeviceStorageMonitorInternal 13054 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13055 if (dsm != null) { 13056 return dsm.isMemoryLow(); 13057 } else { 13058 return false; 13059 } 13060 } finally { 13061 Binder.restoreCallingIdentity(token); 13062 } 13063 } 13064 13065 @Override 13066 public IPackageInstaller getPackageInstaller() { 13067 return mInstallerService; 13068 } 13069} 13070