PackageManagerService.java revision df6d6dc2aac2912e98de3fe37869d2b179eb23db
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static android.system.OsConstants.S_IRWXU; 27import static android.system.OsConstants.S_IRGRP; 28import static android.system.OsConstants.S_IXGRP; 29import static android.system.OsConstants.S_IROTH; 30import static android.system.OsConstants.S_IXOTH; 31import static com.android.internal.util.ArrayUtils.appendInt; 32import static com.android.internal.util.ArrayUtils.removeInt; 33 34import android.content.pm.PackageParser.*; 35import com.android.internal.app.IMediaContainerService; 36import com.android.internal.app.ResolverActivity; 37import com.android.internal.content.NativeLibraryHelper; 38import com.android.internal.content.PackageHelper; 39import com.android.internal.util.FastPrintWriter; 40import com.android.internal.util.FastXmlSerializer; 41import com.android.internal.util.XmlUtils; 42import com.android.server.EventLogTags; 43import com.android.server.IntentResolver; 44import com.android.server.ServiceThread; 45 46import com.android.server.LocalServices; 47import com.android.server.Watchdog; 48import org.xmlpull.v1.XmlPullParser; 49import org.xmlpull.v1.XmlPullParserException; 50import org.xmlpull.v1.XmlSerializer; 51 52import android.app.ActivityManager; 53import android.app.ActivityManagerNative; 54import android.app.IActivityManager; 55import android.app.admin.IDevicePolicyManager; 56import android.app.backup.IBackupManager; 57import android.content.BroadcastReceiver; 58import android.content.ComponentName; 59import android.content.Context; 60import android.content.IIntentReceiver; 61import android.content.Intent; 62import android.content.IntentFilter; 63import android.content.IntentSender; 64import android.content.IntentSender.SendIntentException; 65import android.content.ServiceConnection; 66import android.content.pm.ActivityInfo; 67import android.content.pm.ApplicationInfo; 68import android.content.pm.ContainerEncryptionParams; 69import android.content.pm.FeatureInfo; 70import android.content.pm.IPackageDataObserver; 71import android.content.pm.IPackageDeleteObserver; 72import android.content.pm.IPackageInstallObserver; 73import android.content.pm.IPackageInstallObserver2; 74import android.content.pm.IPackageManager; 75import android.content.pm.IPackageMoveObserver; 76import android.content.pm.IPackageStatsObserver; 77import android.content.pm.InstrumentationInfo; 78import android.content.pm.ManifestDigest; 79import android.content.pm.PackageCleanItem; 80import android.content.pm.PackageInfo; 81import android.content.pm.PackageInfoLite; 82import android.content.pm.PackageManager; 83import android.content.pm.PackageParser; 84import android.content.pm.PackageStats; 85import android.content.pm.PackageUserState; 86import android.content.pm.ParceledListSlice; 87import android.content.pm.PermissionGroupInfo; 88import android.content.pm.PermissionInfo; 89import android.content.pm.ProviderInfo; 90import android.content.pm.ResolveInfo; 91import android.content.pm.ServiceInfo; 92import android.content.pm.Signature; 93import android.content.pm.VerificationParams; 94import android.content.pm.VerifierDeviceIdentity; 95import android.content.pm.VerifierInfo; 96import android.content.res.Resources; 97import android.hardware.display.DisplayManager; 98import android.net.Uri; 99import android.os.Binder; 100import android.os.Build; 101import android.os.Bundle; 102import android.os.Environment; 103import android.os.Environment.UserEnvironment; 104import android.os.FileObserver; 105import android.os.FileUtils; 106import android.os.Handler; 107import android.os.IBinder; 108import android.os.Looper; 109import android.os.Message; 110import android.os.Parcel; 111import android.os.ParcelFileDescriptor; 112import android.os.Process; 113import android.os.RemoteException; 114import android.os.SELinux; 115import android.os.ServiceManager; 116import android.os.SystemClock; 117import android.os.SystemProperties; 118import android.os.UserHandle; 119import android.os.UserManager; 120import android.security.KeyStore; 121import android.security.SystemKeyStore; 122import android.system.ErrnoException; 123import android.system.Os; 124import android.system.StructStat; 125import android.text.TextUtils; 126import android.util.DisplayMetrics; 127import android.util.EventLog; 128import android.util.Log; 129import android.util.LogPrinter; 130import android.util.PrintStreamPrinter; 131import android.util.Slog; 132import android.util.SparseArray; 133import android.util.Xml; 134import android.view.Display; 135 136import java.io.BufferedOutputStream; 137import java.io.File; 138import java.io.FileDescriptor; 139import java.io.FileInputStream; 140import java.io.FileNotFoundException; 141import java.io.FileOutputStream; 142import java.io.FileReader; 143import java.io.FilenameFilter; 144import java.io.IOException; 145import java.io.PrintWriter; 146import java.security.NoSuchAlgorithmException; 147import java.security.PublicKey; 148import java.security.cert.Certificate; 149import java.security.cert.CertificateEncodingException; 150import java.security.cert.CertificateException; 151import java.text.SimpleDateFormat; 152import java.util.ArrayList; 153import java.util.Arrays; 154import java.util.Collection; 155import java.util.Collections; 156import java.util.Comparator; 157import java.util.Date; 158import java.util.HashMap; 159import java.util.HashSet; 160import java.util.Iterator; 161import java.util.List; 162import java.util.Map; 163import java.util.Set; 164 165import dalvik.system.VMRuntime; 166import libcore.io.IoUtils; 167 168import com.android.internal.R; 169import com.android.server.pm.Settings.DatabaseVersion; 170import com.android.server.storage.DeviceStorageMonitorInternal; 171 172/** 173 * Keep track of all those .apks everywhere. 174 * 175 * This is very central to the platform's security; please run the unit 176 * tests whenever making modifications here: 177 * 178mmm frameworks/base/tests/AndroidTests 179adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 180adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 181 * 182 * {@hide} 183 */ 184public class PackageManagerService extends IPackageManager.Stub { 185 static final String TAG = "PackageManager"; 186 static final boolean DEBUG_SETTINGS = false; 187 static final boolean DEBUG_PREFERRED = false; 188 static final boolean DEBUG_UPGRADE = false; 189 private static final boolean DEBUG_INSTALL = false; 190 private static final boolean DEBUG_REMOVE = false; 191 private static final boolean DEBUG_BROADCASTS = false; 192 private static final boolean DEBUG_SHOW_INFO = false; 193 private static final boolean DEBUG_PACKAGE_INFO = false; 194 private static final boolean DEBUG_INTENT_MATCHING = false; 195 private static final boolean DEBUG_PACKAGE_SCANNING = false; 196 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 197 private static final boolean DEBUG_VERIFY = false; 198 199 private static final int RADIO_UID = Process.PHONE_UID; 200 private static final int LOG_UID = Process.LOG_UID; 201 private static final int NFC_UID = Process.NFC_UID; 202 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 203 private static final int SHELL_UID = Process.SHELL_UID; 204 205 // Cap the size of permission trees that 3rd party apps can define 206 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 207 208 private static final int REMOVE_EVENTS = 209 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 210 private static final int ADD_EVENTS = 211 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 212 213 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 214 // Suffix used during package installation when copying/moving 215 // package apks to install directory. 216 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 217 218 static final int SCAN_MONITOR = 1<<0; 219 static final int SCAN_NO_DEX = 1<<1; 220 static final int SCAN_FORCE_DEX = 1<<2; 221 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 222 static final int SCAN_NEW_INSTALL = 1<<4; 223 static final int SCAN_NO_PATHS = 1<<5; 224 static final int SCAN_UPDATE_TIME = 1<<6; 225 static final int SCAN_DEFER_DEX = 1<<7; 226 static final int SCAN_BOOTING = 1<<8; 227 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 228 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 229 230 static final int REMOVE_CHATTY = 1<<16; 231 232 /** 233 * Timeout (in milliseconds) after which the watchdog should declare that 234 * our handler thread is wedged. The usual default for such things is one 235 * minute but we sometimes do very lengthy I/O operations on this thread, 236 * such as installing multi-gigabyte applications, so ours needs to be longer. 237 */ 238 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 239 240 /** 241 * Whether verification is enabled by default. 242 */ 243 private static final boolean DEFAULT_VERIFY_ENABLE = true; 244 245 /** 246 * The default maximum time to wait for the verification agent to return in 247 * milliseconds. 248 */ 249 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 250 251 /** 252 * The default response for package verification timeout. 253 * 254 * This can be either PackageManager.VERIFICATION_ALLOW or 255 * PackageManager.VERIFICATION_REJECT. 256 */ 257 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 258 259 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 260 261 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 262 DEFAULT_CONTAINER_PACKAGE, 263 "com.android.defcontainer.DefaultContainerService"); 264 265 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 266 267 private static final String LIB_DIR_NAME = "lib"; 268 private static final String LIB64_DIR_NAME = "lib64"; 269 270 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 271 272 static final String mTempContainerPrefix = "smdl2tmp"; 273 274 private static String sPreferredInstructionSet; 275 276 final ServiceThread mHandlerThread; 277 278 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 279 private static final String IDMAP_SUFFIX = "@idmap"; 280 281 final PackageHandler mHandler; 282 283 final int mSdkVersion = Build.VERSION.SDK_INT; 284 285 final Context mContext; 286 final boolean mFactoryTest; 287 final boolean mOnlyCore; 288 final boolean mNoDexOpt; 289 final DisplayMetrics mMetrics; 290 final int mDefParseFlags; 291 final String[] mSeparateProcesses; 292 293 // This is where all application persistent data goes. 294 final File mAppDataDir; 295 296 // This is where all application persistent data goes for secondary users. 297 final File mUserAppDataDir; 298 299 /** The location for ASEC container files on internal storage. */ 300 final String mAsecInternalPath; 301 302 // This is the object monitoring the framework dir. 303 final FileObserver mFrameworkInstallObserver; 304 305 // This is the object monitoring the system app dir. 306 final FileObserver mSystemInstallObserver; 307 308 // This is the object monitoring the privileged system app dir. 309 final FileObserver mPrivilegedInstallObserver; 310 311 // This is the object monitoring the vendor app dir. 312 final FileObserver mVendorInstallObserver; 313 314 // This is the object monitoring the vendor overlay package dir. 315 final FileObserver mVendorOverlayInstallObserver; 316 317 // This is the object monitoring the OEM app dir. 318 final FileObserver mOemInstallObserver; 319 320 // This is the object monitoring mAppInstallDir. 321 final FileObserver mAppInstallObserver; 322 323 // This is the object monitoring mDrmAppPrivateInstallDir. 324 final FileObserver mDrmAppInstallObserver; 325 326 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 327 // LOCK HELD. Can be called with mInstallLock held. 328 final Installer mInstaller; 329 330 final File mAppInstallDir; 331 332 /** 333 * Directory to which applications installed internally have native 334 * libraries copied. 335 */ 336 private File mAppLibInstallDir; 337 338 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 339 // apps. 340 final File mDrmAppPrivateInstallDir; 341 342 // ---------------------------------------------------------------- 343 344 // Lock for state used when installing and doing other long running 345 // operations. Methods that must be called with this lock held have 346 // the suffix "LI". 347 final Object mInstallLock = new Object(); 348 349 // These are the directories in the 3rd party applications installed dir 350 // that we have currently loaded packages from. Keys are the application's 351 // installed zip file (absolute codePath), and values are Package. 352 final HashMap<String, PackageParser.Package> mAppDirs = 353 new HashMap<String, PackageParser.Package>(); 354 355 // Information for the parser to write more useful error messages. 356 int mLastScanError; 357 358 // ---------------------------------------------------------------- 359 360 // Keys are String (package name), values are Package. This also serves 361 // as the lock for the global state. Methods that must be called with 362 // this lock held have the prefix "LP". 363 final HashMap<String, PackageParser.Package> mPackages = 364 new HashMap<String, PackageParser.Package>(); 365 366 // Tracks available target package names -> overlay package paths. 367 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 368 new HashMap<String, HashMap<String, PackageParser.Package>>(); 369 370 final Settings mSettings; 371 boolean mRestoredSettings; 372 373 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 374 int[] mGlobalGids; 375 376 // These are the built-in uid -> permission mappings that were read from the 377 // etc/permissions.xml file. 378 final SparseArray<HashSet<String>> mSystemPermissions = 379 new SparseArray<HashSet<String>>(); 380 381 static final class SharedLibraryEntry { 382 final String path; 383 final String apk; 384 385 SharedLibraryEntry(String _path, String _apk) { 386 path = _path; 387 apk = _apk; 388 } 389 } 390 391 // These are the built-in shared libraries that were read from the 392 // etc/permissions.xml file. 393 final HashMap<String, SharedLibraryEntry> mSharedLibraries 394 = new HashMap<String, SharedLibraryEntry>(); 395 396 // Temporary for building the final shared libraries for an .apk. 397 String[] mTmpSharedLibraries = null; 398 399 // These are the features this devices supports that were read from the 400 // etc/permissions.xml file. 401 final HashMap<String, FeatureInfo> mAvailableFeatures = 402 new HashMap<String, FeatureInfo>(); 403 404 // If mac_permissions.xml was found for seinfo labeling. 405 boolean mFoundPolicyFile; 406 407 // If a recursive restorecon of /data/data/<pkg> is needed. 408 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 409 410 // All available activities, for your resolving pleasure. 411 final ActivityIntentResolver mActivities = 412 new ActivityIntentResolver(); 413 414 // All available receivers, for your resolving pleasure. 415 final ActivityIntentResolver mReceivers = 416 new ActivityIntentResolver(); 417 418 // All available services, for your resolving pleasure. 419 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 420 421 // All available providers, for your resolving pleasure. 422 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 423 424 // Mapping from provider base names (first directory in content URI codePath) 425 // to the provider information. 426 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 427 new HashMap<String, PackageParser.Provider>(); 428 429 // Mapping from instrumentation class names to info about them. 430 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 431 new HashMap<ComponentName, PackageParser.Instrumentation>(); 432 433 // Mapping from permission names to info about them. 434 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 435 new HashMap<String, PackageParser.PermissionGroup>(); 436 437 // Packages whose data we have transfered into another package, thus 438 // should no longer exist. 439 final HashSet<String> mTransferedPackages = new HashSet<String>(); 440 441 // Broadcast actions that are only available to the system. 442 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 443 444 /** List of packages waiting for verification. */ 445 final SparseArray<PackageVerificationState> mPendingVerification 446 = new SparseArray<PackageVerificationState>(); 447 448 HashSet<PackageParser.Package> mDeferredDexOpt = null; 449 450 /** Token for keys in mPendingVerification. */ 451 private int mPendingVerificationToken = 0; 452 453 boolean mSystemReady; 454 boolean mSafeMode; 455 boolean mHasSystemUidErrors; 456 457 ApplicationInfo mAndroidApplication; 458 final ActivityInfo mResolveActivity = new ActivityInfo(); 459 final ResolveInfo mResolveInfo = new ResolveInfo(); 460 ComponentName mResolveComponentName; 461 PackageParser.Package mPlatformPackage; 462 ComponentName mCustomResolverComponentName; 463 464 boolean mResolverReplaced = false; 465 466 // Set of pending broadcasts for aggregating enable/disable of components. 467 static class PendingPackageBroadcasts { 468 // for each user id, a map of <package name -> components within that package> 469 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 470 471 public PendingPackageBroadcasts() { 472 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 473 } 474 475 public ArrayList<String> get(int userId, String packageName) { 476 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 477 return packages.get(packageName); 478 } 479 480 public void put(int userId, String packageName, ArrayList<String> components) { 481 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 482 packages.put(packageName, components); 483 } 484 485 public void remove(int userId, String packageName) { 486 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 487 if (packages != null) { 488 packages.remove(packageName); 489 } 490 } 491 492 public void remove(int userId) { 493 mUidMap.remove(userId); 494 } 495 496 public int userIdCount() { 497 return mUidMap.size(); 498 } 499 500 public int userIdAt(int n) { 501 return mUidMap.keyAt(n); 502 } 503 504 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 505 return mUidMap.get(userId); 506 } 507 508 public int size() { 509 // total number of pending broadcast entries across all userIds 510 int num = 0; 511 for (int i = 0; i< mUidMap.size(); i++) { 512 num += mUidMap.valueAt(i).size(); 513 } 514 return num; 515 } 516 517 public void clear() { 518 mUidMap.clear(); 519 } 520 521 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 522 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 523 if (map == null) { 524 map = new HashMap<String, ArrayList<String>>(); 525 mUidMap.put(userId, map); 526 } 527 return map; 528 } 529 } 530 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 531 532 // Service Connection to remote media container service to copy 533 // package uri's from external media onto secure containers 534 // or internal storage. 535 private IMediaContainerService mContainerService = null; 536 537 static final int SEND_PENDING_BROADCAST = 1; 538 static final int MCS_BOUND = 3; 539 static final int END_COPY = 4; 540 static final int INIT_COPY = 5; 541 static final int MCS_UNBIND = 6; 542 static final int START_CLEANING_PACKAGE = 7; 543 static final int FIND_INSTALL_LOC = 8; 544 static final int POST_INSTALL = 9; 545 static final int MCS_RECONNECT = 10; 546 static final int MCS_GIVE_UP = 11; 547 static final int UPDATED_MEDIA_STATUS = 12; 548 static final int WRITE_SETTINGS = 13; 549 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 550 static final int PACKAGE_VERIFIED = 15; 551 static final int CHECK_PENDING_VERIFICATION = 16; 552 553 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 554 555 // Delay time in millisecs 556 static final int BROADCAST_DELAY = 10 * 1000; 557 558 static UserManagerService sUserManager; 559 560 // Stores a list of users whose package restrictions file needs to be updated 561 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 562 563 final private DefaultContainerConnection mDefContainerConn = 564 new DefaultContainerConnection(); 565 class DefaultContainerConnection implements ServiceConnection { 566 public void onServiceConnected(ComponentName name, IBinder service) { 567 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 568 IMediaContainerService imcs = 569 IMediaContainerService.Stub.asInterface(service); 570 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 571 } 572 573 public void onServiceDisconnected(ComponentName name) { 574 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 575 } 576 }; 577 578 // Recordkeeping of restore-after-install operations that are currently in flight 579 // between the Package Manager and the Backup Manager 580 class PostInstallData { 581 public InstallArgs args; 582 public PackageInstalledInfo res; 583 584 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 585 args = _a; 586 res = _r; 587 } 588 }; 589 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 590 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 591 592 private final String mRequiredVerifierPackage; 593 594 class PackageHandler extends Handler { 595 private boolean mBound = false; 596 final ArrayList<HandlerParams> mPendingInstalls = 597 new ArrayList<HandlerParams>(); 598 599 private boolean connectToService() { 600 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 601 " DefaultContainerService"); 602 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 603 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 604 if (mContext.bindServiceAsUser(service, mDefContainerConn, 605 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 606 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 607 mBound = true; 608 return true; 609 } 610 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 611 return false; 612 } 613 614 private void disconnectService() { 615 mContainerService = null; 616 mBound = false; 617 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 618 mContext.unbindService(mDefContainerConn); 619 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 620 } 621 622 PackageHandler(Looper looper) { 623 super(looper); 624 } 625 626 public void handleMessage(Message msg) { 627 try { 628 doHandleMessage(msg); 629 } finally { 630 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 631 } 632 } 633 634 void doHandleMessage(Message msg) { 635 switch (msg.what) { 636 case INIT_COPY: { 637 HandlerParams params = (HandlerParams) msg.obj; 638 int idx = mPendingInstalls.size(); 639 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 640 // If a bind was already initiated we dont really 641 // need to do anything. The pending install 642 // will be processed later on. 643 if (!mBound) { 644 // If this is the only one pending we might 645 // have to bind to the service again. 646 if (!connectToService()) { 647 Slog.e(TAG, "Failed to bind to media container service"); 648 params.serviceError(); 649 return; 650 } else { 651 // Once we bind to the service, the first 652 // pending request will be processed. 653 mPendingInstalls.add(idx, params); 654 } 655 } else { 656 mPendingInstalls.add(idx, params); 657 // Already bound to the service. Just make 658 // sure we trigger off processing the first request. 659 if (idx == 0) { 660 mHandler.sendEmptyMessage(MCS_BOUND); 661 } 662 } 663 break; 664 } 665 case MCS_BOUND: { 666 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 667 if (msg.obj != null) { 668 mContainerService = (IMediaContainerService) msg.obj; 669 } 670 if (mContainerService == null) { 671 // Something seriously wrong. Bail out 672 Slog.e(TAG, "Cannot bind to media container service"); 673 for (HandlerParams params : mPendingInstalls) { 674 // Indicate service bind error 675 params.serviceError(); 676 } 677 mPendingInstalls.clear(); 678 } else if (mPendingInstalls.size() > 0) { 679 HandlerParams params = mPendingInstalls.get(0); 680 if (params != null) { 681 if (params.startCopy()) { 682 // We are done... look for more work or to 683 // go idle. 684 if (DEBUG_SD_INSTALL) Log.i(TAG, 685 "Checking for more work or unbind..."); 686 // Delete pending install 687 if (mPendingInstalls.size() > 0) { 688 mPendingInstalls.remove(0); 689 } 690 if (mPendingInstalls.size() == 0) { 691 if (mBound) { 692 if (DEBUG_SD_INSTALL) Log.i(TAG, 693 "Posting delayed MCS_UNBIND"); 694 removeMessages(MCS_UNBIND); 695 Message ubmsg = obtainMessage(MCS_UNBIND); 696 // Unbind after a little delay, to avoid 697 // continual thrashing. 698 sendMessageDelayed(ubmsg, 10000); 699 } 700 } else { 701 // There are more pending requests in queue. 702 // Just post MCS_BOUND message to trigger processing 703 // of next pending install. 704 if (DEBUG_SD_INSTALL) Log.i(TAG, 705 "Posting MCS_BOUND for next work"); 706 mHandler.sendEmptyMessage(MCS_BOUND); 707 } 708 } 709 } 710 } else { 711 // Should never happen ideally. 712 Slog.w(TAG, "Empty queue"); 713 } 714 break; 715 } 716 case MCS_RECONNECT: { 717 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 718 if (mPendingInstalls.size() > 0) { 719 if (mBound) { 720 disconnectService(); 721 } 722 if (!connectToService()) { 723 Slog.e(TAG, "Failed to bind to media container service"); 724 for (HandlerParams params : mPendingInstalls) { 725 // Indicate service bind error 726 params.serviceError(); 727 } 728 mPendingInstalls.clear(); 729 } 730 } 731 break; 732 } 733 case MCS_UNBIND: { 734 // If there is no actual work left, then time to unbind. 735 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 736 737 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 738 if (mBound) { 739 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 740 741 disconnectService(); 742 } 743 } else if (mPendingInstalls.size() > 0) { 744 // There are more pending requests in queue. 745 // Just post MCS_BOUND message to trigger processing 746 // of next pending install. 747 mHandler.sendEmptyMessage(MCS_BOUND); 748 } 749 750 break; 751 } 752 case MCS_GIVE_UP: { 753 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 754 mPendingInstalls.remove(0); 755 break; 756 } 757 case SEND_PENDING_BROADCAST: { 758 String packages[]; 759 ArrayList<String> components[]; 760 int size = 0; 761 int uids[]; 762 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 763 synchronized (mPackages) { 764 if (mPendingBroadcasts == null) { 765 return; 766 } 767 size = mPendingBroadcasts.size(); 768 if (size <= 0) { 769 // Nothing to be done. Just return 770 return; 771 } 772 packages = new String[size]; 773 components = new ArrayList[size]; 774 uids = new int[size]; 775 int i = 0; // filling out the above arrays 776 777 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 778 int packageUserId = mPendingBroadcasts.userIdAt(n); 779 Iterator<Map.Entry<String, ArrayList<String>>> it 780 = mPendingBroadcasts.packagesForUserId(packageUserId) 781 .entrySet().iterator(); 782 while (it.hasNext() && i < size) { 783 Map.Entry<String, ArrayList<String>> ent = it.next(); 784 packages[i] = ent.getKey(); 785 components[i] = ent.getValue(); 786 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 787 uids[i] = (ps != null) 788 ? UserHandle.getUid(packageUserId, ps.appId) 789 : -1; 790 i++; 791 } 792 } 793 size = i; 794 mPendingBroadcasts.clear(); 795 } 796 // Send broadcasts 797 for (int i = 0; i < size; i++) { 798 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 799 } 800 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 801 break; 802 } 803 case START_CLEANING_PACKAGE: { 804 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 805 final String packageName = (String)msg.obj; 806 final int userId = msg.arg1; 807 final boolean andCode = msg.arg2 != 0; 808 synchronized (mPackages) { 809 if (userId == UserHandle.USER_ALL) { 810 int[] users = sUserManager.getUserIds(); 811 for (int user : users) { 812 mSettings.addPackageToCleanLPw( 813 new PackageCleanItem(user, packageName, andCode)); 814 } 815 } else { 816 mSettings.addPackageToCleanLPw( 817 new PackageCleanItem(userId, packageName, andCode)); 818 } 819 } 820 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 821 startCleaningPackages(); 822 } break; 823 case POST_INSTALL: { 824 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 825 PostInstallData data = mRunningInstalls.get(msg.arg1); 826 mRunningInstalls.delete(msg.arg1); 827 boolean deleteOld = false; 828 829 if (data != null) { 830 InstallArgs args = data.args; 831 PackageInstalledInfo res = data.res; 832 833 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 834 res.removedInfo.sendBroadcast(false, true, false); 835 Bundle extras = new Bundle(1); 836 extras.putInt(Intent.EXTRA_UID, res.uid); 837 // Determine the set of users who are adding this 838 // package for the first time vs. those who are seeing 839 // an update. 840 int[] firstUsers; 841 int[] updateUsers = new int[0]; 842 if (res.origUsers == null || res.origUsers.length == 0) { 843 firstUsers = res.newUsers; 844 } else { 845 firstUsers = new int[0]; 846 for (int i=0; i<res.newUsers.length; i++) { 847 int user = res.newUsers[i]; 848 boolean isNew = true; 849 for (int j=0; j<res.origUsers.length; j++) { 850 if (res.origUsers[j] == user) { 851 isNew = false; 852 break; 853 } 854 } 855 if (isNew) { 856 int[] newFirst = new int[firstUsers.length+1]; 857 System.arraycopy(firstUsers, 0, newFirst, 0, 858 firstUsers.length); 859 newFirst[firstUsers.length] = user; 860 firstUsers = newFirst; 861 } else { 862 int[] newUpdate = new int[updateUsers.length+1]; 863 System.arraycopy(updateUsers, 0, newUpdate, 0, 864 updateUsers.length); 865 newUpdate[updateUsers.length] = user; 866 updateUsers = newUpdate; 867 } 868 } 869 } 870 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 871 res.pkg.applicationInfo.packageName, 872 extras, null, null, firstUsers); 873 final boolean update = res.removedInfo.removedPackage != null; 874 if (update) { 875 extras.putBoolean(Intent.EXTRA_REPLACING, true); 876 } 877 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 878 res.pkg.applicationInfo.packageName, 879 extras, null, null, updateUsers); 880 if (update) { 881 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 882 res.pkg.applicationInfo.packageName, 883 extras, null, null, updateUsers); 884 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 885 null, null, 886 res.pkg.applicationInfo.packageName, null, updateUsers); 887 888 // treat asec-hosted packages like removable media on upgrade 889 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 890 if (DEBUG_INSTALL) { 891 Slog.i(TAG, "upgrading pkg " + res.pkg 892 + " is ASEC-hosted -> AVAILABLE"); 893 } 894 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 895 ArrayList<String> pkgList = new ArrayList<String>(1); 896 pkgList.add(res.pkg.applicationInfo.packageName); 897 sendResourcesChangedBroadcast(true, true, 898 pkgList,uidArray, null); 899 } 900 } 901 if (res.removedInfo.args != null) { 902 // Remove the replaced package's older resources safely now 903 deleteOld = true; 904 } 905 906 // Log current value of "unknown sources" setting 907 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 908 getUnknownSourcesSettings()); 909 } 910 // Force a gc to clear up things 911 Runtime.getRuntime().gc(); 912 // We delete after a gc for applications on sdcard. 913 if (deleteOld) { 914 synchronized (mInstallLock) { 915 res.removedInfo.args.doPostDeleteLI(true); 916 } 917 } 918 if (args.observer != null) { 919 try { 920 args.observer.packageInstalled(res.name, res.returnCode); 921 } catch (RemoteException e) { 922 Slog.i(TAG, "Observer no longer exists."); 923 } 924 } 925 if (args.observer2 != null) { 926 try { 927 Bundle extras = extrasForInstallResult(res); 928 args.observer2.packageInstalled(res.name, extras, res.returnCode); 929 } catch (RemoteException e) { 930 Slog.i(TAG, "Observer no longer exists."); 931 } 932 } 933 } else { 934 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 935 } 936 } break; 937 case UPDATED_MEDIA_STATUS: { 938 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 939 boolean reportStatus = msg.arg1 == 1; 940 boolean doGc = msg.arg2 == 1; 941 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 942 if (doGc) { 943 // Force a gc to clear up stale containers. 944 Runtime.getRuntime().gc(); 945 } 946 if (msg.obj != null) { 947 @SuppressWarnings("unchecked") 948 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 949 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 950 // Unload containers 951 unloadAllContainers(args); 952 } 953 if (reportStatus) { 954 try { 955 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 956 PackageHelper.getMountService().finishMediaUpdate(); 957 } catch (RemoteException e) { 958 Log.e(TAG, "MountService not running?"); 959 } 960 } 961 } break; 962 case WRITE_SETTINGS: { 963 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 964 synchronized (mPackages) { 965 removeMessages(WRITE_SETTINGS); 966 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 967 mSettings.writeLPr(); 968 mDirtyUsers.clear(); 969 } 970 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 971 } break; 972 case WRITE_PACKAGE_RESTRICTIONS: { 973 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 974 synchronized (mPackages) { 975 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 976 for (int userId : mDirtyUsers) { 977 mSettings.writePackageRestrictionsLPr(userId); 978 } 979 mDirtyUsers.clear(); 980 } 981 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 982 } break; 983 case CHECK_PENDING_VERIFICATION: { 984 final int verificationId = msg.arg1; 985 final PackageVerificationState state = mPendingVerification.get(verificationId); 986 987 if ((state != null) && !state.timeoutExtended()) { 988 final InstallArgs args = state.getInstallArgs(); 989 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 990 mPendingVerification.remove(verificationId); 991 992 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 993 994 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 995 Slog.i(TAG, "Continuing with installation of " 996 + args.packageURI.toString()); 997 state.setVerifierResponse(Binder.getCallingUid(), 998 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 999 broadcastPackageVerified(verificationId, args.packageURI, 1000 PackageManager.VERIFICATION_ALLOW, 1001 state.getInstallArgs().getUser()); 1002 try { 1003 ret = args.copyApk(mContainerService, true); 1004 } catch (RemoteException e) { 1005 Slog.e(TAG, "Could not contact the ContainerService"); 1006 } 1007 } else { 1008 broadcastPackageVerified(verificationId, args.packageURI, 1009 PackageManager.VERIFICATION_REJECT, 1010 state.getInstallArgs().getUser()); 1011 } 1012 1013 processPendingInstall(args, ret); 1014 mHandler.sendEmptyMessage(MCS_UNBIND); 1015 } 1016 break; 1017 } 1018 case PACKAGE_VERIFIED: { 1019 final int verificationId = msg.arg1; 1020 1021 final PackageVerificationState state = mPendingVerification.get(verificationId); 1022 if (state == null) { 1023 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1024 break; 1025 } 1026 1027 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1028 1029 state.setVerifierResponse(response.callerUid, response.code); 1030 1031 if (state.isVerificationComplete()) { 1032 mPendingVerification.remove(verificationId); 1033 1034 final InstallArgs args = state.getInstallArgs(); 1035 1036 int ret; 1037 if (state.isInstallAllowed()) { 1038 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1039 broadcastPackageVerified(verificationId, args.packageURI, 1040 response.code, state.getInstallArgs().getUser()); 1041 try { 1042 ret = args.copyApk(mContainerService, true); 1043 } catch (RemoteException e) { 1044 Slog.e(TAG, "Could not contact the ContainerService"); 1045 } 1046 } else { 1047 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1048 } 1049 1050 processPendingInstall(args, ret); 1051 1052 mHandler.sendEmptyMessage(MCS_UNBIND); 1053 } 1054 1055 break; 1056 } 1057 } 1058 } 1059 } 1060 1061 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1062 Bundle extras = null; 1063 switch (res.returnCode) { 1064 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1065 extras = new Bundle(); 1066 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1067 res.origPermission); 1068 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1069 res.origPackage); 1070 break; 1071 } 1072 } 1073 return extras; 1074 } 1075 1076 void scheduleWriteSettingsLocked() { 1077 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1078 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1079 } 1080 } 1081 1082 void scheduleWritePackageRestrictionsLocked(int userId) { 1083 if (!sUserManager.exists(userId)) return; 1084 mDirtyUsers.add(userId); 1085 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1086 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1087 } 1088 } 1089 1090 public static final IPackageManager main(Context context, Installer installer, 1091 boolean factoryTest, boolean onlyCore) { 1092 PackageManagerService m = new PackageManagerService(context, installer, 1093 factoryTest, onlyCore); 1094 ServiceManager.addService("package", m); 1095 return m; 1096 } 1097 1098 static String[] splitString(String str, char sep) { 1099 int count = 1; 1100 int i = 0; 1101 while ((i=str.indexOf(sep, i)) >= 0) { 1102 count++; 1103 i++; 1104 } 1105 1106 String[] res = new String[count]; 1107 i=0; 1108 count = 0; 1109 int lastI=0; 1110 while ((i=str.indexOf(sep, i)) >= 0) { 1111 res[count] = str.substring(lastI, i); 1112 count++; 1113 i++; 1114 lastI = i; 1115 } 1116 res[count] = str.substring(lastI, str.length()); 1117 return res; 1118 } 1119 1120 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1121 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1122 Context.DISPLAY_SERVICE); 1123 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1124 } 1125 1126 public PackageManagerService(Context context, Installer installer, 1127 boolean factoryTest, boolean onlyCore) { 1128 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1129 SystemClock.uptimeMillis()); 1130 1131 if (mSdkVersion <= 0) { 1132 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1133 } 1134 1135 mContext = context; 1136 mFactoryTest = factoryTest; 1137 mOnlyCore = onlyCore; 1138 mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1139 mMetrics = new DisplayMetrics(); 1140 mSettings = new Settings(context); 1141 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1142 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1143 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1144 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1145 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1146 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1147 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1148 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1149 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1150 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1151 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1152 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1153 1154 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1155 if (separateProcesses != null && separateProcesses.length() > 0) { 1156 if ("*".equals(separateProcesses)) { 1157 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1158 mSeparateProcesses = null; 1159 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1160 } else { 1161 mDefParseFlags = 0; 1162 mSeparateProcesses = separateProcesses.split(","); 1163 Slog.w(TAG, "Running with debug.separate_processes: " 1164 + separateProcesses); 1165 } 1166 } else { 1167 mDefParseFlags = 0; 1168 mSeparateProcesses = null; 1169 } 1170 1171 mInstaller = installer; 1172 1173 getDefaultDisplayMetrics(context, mMetrics); 1174 1175 synchronized (mInstallLock) { 1176 // writer 1177 synchronized (mPackages) { 1178 mHandlerThread = new ServiceThread(TAG, 1179 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1180 mHandlerThread.start(); 1181 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1182 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1183 1184 File dataDir = Environment.getDataDirectory(); 1185 mAppDataDir = new File(dataDir, "data"); 1186 mAppInstallDir = new File(dataDir, "app"); 1187 mAppLibInstallDir = new File(dataDir, "app-lib"); 1188 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1189 mUserAppDataDir = new File(dataDir, "user"); 1190 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1191 1192 sUserManager = new UserManagerService(context, this, 1193 mInstallLock, mPackages); 1194 1195 // Read permissions and features from system 1196 readPermissions(Environment.buildPath( 1197 Environment.getRootDirectory(), "etc", "permissions"), false); 1198 // Only read features from OEM 1199 readPermissions(Environment.buildPath( 1200 Environment.getOemDirectory(), "etc", "permissions"), true); 1201 1202 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1203 1204 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1205 mSdkVersion, mOnlyCore); 1206 1207 String customResolverActivity = Resources.getSystem().getString( 1208 R.string.config_customResolverActivity); 1209 if (TextUtils.isEmpty(customResolverActivity)) { 1210 customResolverActivity = null; 1211 } else { 1212 mCustomResolverComponentName = ComponentName.unflattenFromString( 1213 customResolverActivity); 1214 } 1215 1216 long startTime = SystemClock.uptimeMillis(); 1217 1218 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1219 startTime); 1220 1221 // Set flag to monitor and not change apk file paths when 1222 // scanning install directories. 1223 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1224 if (mNoDexOpt) { 1225 Slog.w(TAG, "Running ENG build: no pre-dexopt!"); 1226 scanMode |= SCAN_NO_DEX; 1227 } 1228 1229 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1230 1231 /** 1232 * Add everything in the in the boot class path to the 1233 * list of process files because dexopt will have been run 1234 * if necessary during zygote startup. 1235 */ 1236 String bootClassPath = System.getProperty("java.boot.class.path"); 1237 if (bootClassPath != null) { 1238 String[] paths = splitString(bootClassPath, ':'); 1239 for (int i=0; i<paths.length; i++) { 1240 alreadyDexOpted.add(paths[i]); 1241 } 1242 } else { 1243 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1244 } 1245 1246 boolean didDexOpt = false; 1247 1248 final List<String> instructionSets = getAllInstructionSets(); 1249 1250 /** 1251 * Ensure all external libraries have had dexopt run on them. 1252 */ 1253 if (mSharedLibraries.size() > 0) { 1254 // NOTE: For now, we're compiling these system "shared libraries" 1255 // (and framework jars) into all available architectures. It's possible 1256 // to compile them only when we come across an app that uses them (there's 1257 // already logic for that in scanPackageLI) but that adds some complexity. 1258 for (String instructionSet : instructionSets) { 1259 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1260 final String lib = libEntry.path; 1261 if (lib == null) { 1262 continue; 1263 } 1264 1265 try { 1266 if (dalvik.system.DexFile.isDexOptNeededInternal( 1267 lib, null, instructionSet, false)) { 1268 alreadyDexOpted.add(lib); 1269 1270 // The list of "shared libraries" we have at this point is 1271 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1272 didDexOpt = true; 1273 } 1274 } catch (FileNotFoundException e) { 1275 Slog.w(TAG, "Library not found: " + lib); 1276 } catch (IOException e) { 1277 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1278 + e.getMessage()); 1279 } 1280 } 1281 } 1282 } 1283 1284 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1285 1286 // Gross hack for now: we know this file doesn't contain any 1287 // code, so don't dexopt it to avoid the resulting log spew. 1288 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1289 1290 // Gross hack for now: we know this file is only part of 1291 // the boot class path for art, so don't dexopt it to 1292 // avoid the resulting log spew. 1293 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1294 1295 /** 1296 * And there are a number of commands implemented in Java, which 1297 * we currently need to do the dexopt on so that they can be 1298 * run from a non-root shell. 1299 */ 1300 String[] frameworkFiles = frameworkDir.list(); 1301 if (frameworkFiles != null) { 1302 // TODO: We could compile these only for the most preferred ABI. We should 1303 // first double check that the dex files for these commands are not referenced 1304 // by other system apps. 1305 for (String instructionSet : instructionSets) { 1306 for (int i=0; i<frameworkFiles.length; i++) { 1307 File libPath = new File(frameworkDir, frameworkFiles[i]); 1308 String path = libPath.getPath(); 1309 // Skip the file if we already did it. 1310 if (alreadyDexOpted.contains(path)) { 1311 continue; 1312 } 1313 // Skip the file if it is not a type we want to dexopt. 1314 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1315 continue; 1316 } 1317 try { 1318 if (dalvik.system.DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1319 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1320 didDexOpt = true; 1321 } 1322 } catch (FileNotFoundException e) { 1323 Slog.w(TAG, "Jar not found: " + path); 1324 } catch (IOException e) { 1325 Slog.w(TAG, "Exception reading jar: " + path, e); 1326 } 1327 } 1328 } 1329 } 1330 1331 if (didDexOpt) { 1332 File dalvikCacheDir = new File(dataDir, "dalvik-cache"); 1333 1334 // If we had to do a dexopt of one of the previous 1335 // things, then something on the system has changed. 1336 // Consider this significant, and wipe away all other 1337 // existing dexopt files to ensure we don't leave any 1338 // dangling around. 1339 String[] files = dalvikCacheDir.list(); 1340 if (files != null) { 1341 for (int i=0; i<files.length; i++) { 1342 String fn = files[i]; 1343 if (fn.startsWith("data@app@") 1344 || fn.startsWith("data@app-private@")) { 1345 Slog.i(TAG, "Pruning dalvik file: " + fn); 1346 (new File(dalvikCacheDir, fn)).delete(); 1347 } 1348 } 1349 } 1350 } 1351 1352 // Collect vendor overlay packages. 1353 // (Do this before scanning any apps.) 1354 // For security and version matching reason, only consider 1355 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1356 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1357 mVendorOverlayInstallObserver = new AppDirObserver( 1358 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1359 mVendorOverlayInstallObserver.startWatching(); 1360 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1361 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1362 1363 // Find base frameworks (resource packages without code). 1364 mFrameworkInstallObserver = new AppDirObserver( 1365 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1366 mFrameworkInstallObserver.startWatching(); 1367 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1368 | PackageParser.PARSE_IS_SYSTEM_DIR 1369 | PackageParser.PARSE_IS_PRIVILEGED, 1370 scanMode | SCAN_NO_DEX, 0); 1371 1372 // Collected privileged system packages. 1373 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1374 mPrivilegedInstallObserver = new AppDirObserver( 1375 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1376 mPrivilegedInstallObserver.startWatching(); 1377 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1378 | PackageParser.PARSE_IS_SYSTEM_DIR 1379 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1380 1381 // Collect ordinary system packages. 1382 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1383 mSystemInstallObserver = new AppDirObserver( 1384 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1385 mSystemInstallObserver.startWatching(); 1386 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1387 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1388 1389 // Collect all vendor packages. 1390 File vendorAppDir = new File("/vendor/app"); 1391 try { 1392 vendorAppDir = vendorAppDir.getCanonicalFile(); 1393 } catch (IOException e) { 1394 // failed to look up canonical path, continue with original one 1395 } 1396 mVendorInstallObserver = new AppDirObserver( 1397 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1398 mVendorInstallObserver.startWatching(); 1399 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1400 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1401 1402 // Collect all OEM packages. 1403 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1404 mOemInstallObserver = new AppDirObserver( 1405 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1406 mOemInstallObserver.startWatching(); 1407 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1408 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1409 1410 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1411 mInstaller.moveFiles(); 1412 1413 // Prune any system packages that no longer exist. 1414 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1415 if (!mOnlyCore) { 1416 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1417 while (psit.hasNext()) { 1418 PackageSetting ps = psit.next(); 1419 1420 /* 1421 * If this is not a system app, it can't be a 1422 * disable system app. 1423 */ 1424 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1425 continue; 1426 } 1427 1428 /* 1429 * If the package is scanned, it's not erased. 1430 */ 1431 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1432 if (scannedPkg != null) { 1433 /* 1434 * If the system app is both scanned and in the 1435 * disabled packages list, then it must have been 1436 * added via OTA. Remove it from the currently 1437 * scanned package so the previously user-installed 1438 * application can be scanned. 1439 */ 1440 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1441 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1442 + "; removing system app"); 1443 removePackageLI(ps, true); 1444 } 1445 1446 continue; 1447 } 1448 1449 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1450 psit.remove(); 1451 String msg = "System package " + ps.name 1452 + " no longer exists; wiping its data"; 1453 reportSettingsProblem(Log.WARN, msg); 1454 removeDataDirsLI(ps.name); 1455 } else { 1456 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1457 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1458 possiblyDeletedUpdatedSystemApps.add(ps.name); 1459 } 1460 } 1461 } 1462 } 1463 1464 //look for any incomplete package installations 1465 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1466 //clean up list 1467 for(int i = 0; i < deletePkgsList.size(); i++) { 1468 //clean up here 1469 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1470 } 1471 //delete tmp files 1472 deleteTempPackageFiles(); 1473 1474 // Remove any shared userIDs that have no associated packages 1475 mSettings.pruneSharedUsersLPw(); 1476 1477 if (!mOnlyCore) { 1478 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1479 SystemClock.uptimeMillis()); 1480 mAppInstallObserver = new AppDirObserver( 1481 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1482 mAppInstallObserver.startWatching(); 1483 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1484 1485 mDrmAppInstallObserver = new AppDirObserver( 1486 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1487 mDrmAppInstallObserver.startWatching(); 1488 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1489 scanMode, 0); 1490 1491 /** 1492 * Remove disable package settings for any updated system 1493 * apps that were removed via an OTA. If they're not a 1494 * previously-updated app, remove them completely. 1495 * Otherwise, just revoke their system-level permissions. 1496 */ 1497 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1498 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1499 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1500 1501 String msg; 1502 if (deletedPkg == null) { 1503 msg = "Updated system package " + deletedAppName 1504 + " no longer exists; wiping its data"; 1505 removeDataDirsLI(deletedAppName); 1506 } else { 1507 msg = "Updated system app + " + deletedAppName 1508 + " no longer present; removing system privileges for " 1509 + deletedAppName; 1510 1511 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1512 1513 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1514 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1515 } 1516 reportSettingsProblem(Log.WARN, msg); 1517 } 1518 } else { 1519 mAppInstallObserver = null; 1520 mDrmAppInstallObserver = null; 1521 } 1522 1523 // Now that we know all of the shared libraries, update all clients to have 1524 // the correct library paths. 1525 updateAllSharedLibrariesLPw(); 1526 1527 1528 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1529 adjustCpuAbisForSharedUserLPw(setting.packages, true /* do dexopt */, 1530 false /* force dexopt */, false /* defer dexopt */); 1531 } 1532 1533 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1534 SystemClock.uptimeMillis()); 1535 Slog.i(TAG, "Time to scan packages: " 1536 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1537 + " seconds"); 1538 1539 // If the platform SDK has changed since the last time we booted, 1540 // we need to re-grant app permission to catch any new ones that 1541 // appear. This is really a hack, and means that apps can in some 1542 // cases get permissions that the user didn't initially explicitly 1543 // allow... it would be nice to have some better way to handle 1544 // this situation. 1545 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1546 != mSdkVersion; 1547 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1548 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1549 + "; regranting permissions for internal storage"); 1550 mSettings.mInternalSdkPlatform = mSdkVersion; 1551 1552 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1553 | (regrantPermissions 1554 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1555 : 0)); 1556 1557 // If this is the first boot, and it is a normal boot, then 1558 // we need to initialize the default preferred apps. 1559 if (!mRestoredSettings && !onlyCore) { 1560 mSettings.readDefaultPreferredAppsLPw(this, 0); 1561 } 1562 1563 // All the changes are done during package scanning. 1564 mSettings.updateInternalDatabaseVersion(); 1565 1566 // can downgrade to reader 1567 mSettings.writeLPr(); 1568 1569 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1570 SystemClock.uptimeMillis()); 1571 1572 // Now after opening every single application zip, make sure they 1573 // are all flushed. Not really needed, but keeps things nice and 1574 // tidy. 1575 Runtime.getRuntime().gc(); 1576 1577 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1578 } // synchronized (mPackages) 1579 } // synchronized (mInstallLock) 1580 } 1581 1582 public boolean isFirstBoot() { 1583 return !mRestoredSettings; 1584 } 1585 1586 public boolean isOnlyCoreApps() { 1587 return mOnlyCore; 1588 } 1589 1590 private String getRequiredVerifierLPr() { 1591 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1592 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1593 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1594 1595 String requiredVerifier = null; 1596 1597 final int N = receivers.size(); 1598 for (int i = 0; i < N; i++) { 1599 final ResolveInfo info = receivers.get(i); 1600 1601 if (info.activityInfo == null) { 1602 continue; 1603 } 1604 1605 final String packageName = info.activityInfo.packageName; 1606 1607 final PackageSetting ps = mSettings.mPackages.get(packageName); 1608 if (ps == null) { 1609 continue; 1610 } 1611 1612 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1613 if (!gp.grantedPermissions 1614 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1615 continue; 1616 } 1617 1618 if (requiredVerifier != null) { 1619 throw new RuntimeException("There can be only one required verifier"); 1620 } 1621 1622 requiredVerifier = packageName; 1623 } 1624 1625 return requiredVerifier; 1626 } 1627 1628 @Override 1629 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1630 throws RemoteException { 1631 try { 1632 return super.onTransact(code, data, reply, flags); 1633 } catch (RuntimeException e) { 1634 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1635 Slog.wtf(TAG, "Package Manager Crash", e); 1636 } 1637 throw e; 1638 } 1639 } 1640 1641 void cleanupInstallFailedPackage(PackageSetting ps) { 1642 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1643 removeDataDirsLI(ps.name); 1644 if (ps.codePath != null) { 1645 if (!ps.codePath.delete()) { 1646 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1647 } 1648 } 1649 if (ps.resourcePath != null) { 1650 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1651 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1652 } 1653 } 1654 mSettings.removePackageLPw(ps.name); 1655 } 1656 1657 void readPermissions(File libraryDir, boolean onlyFeatures) { 1658 // Read permissions from .../etc/permission directory. 1659 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1660 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1661 return; 1662 } 1663 if (!libraryDir.canRead()) { 1664 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1665 return; 1666 } 1667 1668 // Iterate over the files in the directory and scan .xml files 1669 for (File f : libraryDir.listFiles()) { 1670 // We'll read platform.xml last 1671 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1672 continue; 1673 } 1674 1675 if (!f.getPath().endsWith(".xml")) { 1676 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1677 continue; 1678 } 1679 if (!f.canRead()) { 1680 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1681 continue; 1682 } 1683 1684 readPermissionsFromXml(f, onlyFeatures); 1685 } 1686 1687 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1688 final File permFile = new File(Environment.getRootDirectory(), 1689 "etc/permissions/platform.xml"); 1690 readPermissionsFromXml(permFile, onlyFeatures); 1691 } 1692 1693 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1694 FileReader permReader = null; 1695 try { 1696 permReader = new FileReader(permFile); 1697 } catch (FileNotFoundException e) { 1698 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1699 return; 1700 } 1701 1702 try { 1703 XmlPullParser parser = Xml.newPullParser(); 1704 parser.setInput(permReader); 1705 1706 XmlUtils.beginDocument(parser, "permissions"); 1707 1708 while (true) { 1709 XmlUtils.nextElement(parser); 1710 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1711 break; 1712 } 1713 1714 String name = parser.getName(); 1715 if ("group".equals(name) && !onlyFeatures) { 1716 String gidStr = parser.getAttributeValue(null, "gid"); 1717 if (gidStr != null) { 1718 int gid = Process.getGidForName(gidStr); 1719 mGlobalGids = appendInt(mGlobalGids, gid); 1720 } else { 1721 Slog.w(TAG, "<group> without gid at " 1722 + parser.getPositionDescription()); 1723 } 1724 1725 XmlUtils.skipCurrentTag(parser); 1726 continue; 1727 } else if ("permission".equals(name) && !onlyFeatures) { 1728 String perm = parser.getAttributeValue(null, "name"); 1729 if (perm == null) { 1730 Slog.w(TAG, "<permission> without name at " 1731 + parser.getPositionDescription()); 1732 XmlUtils.skipCurrentTag(parser); 1733 continue; 1734 } 1735 perm = perm.intern(); 1736 readPermission(parser, perm); 1737 1738 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1739 String perm = parser.getAttributeValue(null, "name"); 1740 if (perm == null) { 1741 Slog.w(TAG, "<assign-permission> without name at " 1742 + parser.getPositionDescription()); 1743 XmlUtils.skipCurrentTag(parser); 1744 continue; 1745 } 1746 String uidStr = parser.getAttributeValue(null, "uid"); 1747 if (uidStr == null) { 1748 Slog.w(TAG, "<assign-permission> without uid at " 1749 + parser.getPositionDescription()); 1750 XmlUtils.skipCurrentTag(parser); 1751 continue; 1752 } 1753 int uid = Process.getUidForName(uidStr); 1754 if (uid < 0) { 1755 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1756 + uidStr + "\" at " 1757 + parser.getPositionDescription()); 1758 XmlUtils.skipCurrentTag(parser); 1759 continue; 1760 } 1761 perm = perm.intern(); 1762 HashSet<String> perms = mSystemPermissions.get(uid); 1763 if (perms == null) { 1764 perms = new HashSet<String>(); 1765 mSystemPermissions.put(uid, perms); 1766 } 1767 perms.add(perm); 1768 XmlUtils.skipCurrentTag(parser); 1769 1770 } else if ("library".equals(name) && !onlyFeatures) { 1771 String lname = parser.getAttributeValue(null, "name"); 1772 String lfile = parser.getAttributeValue(null, "file"); 1773 if (lname == null) { 1774 Slog.w(TAG, "<library> without name at " 1775 + parser.getPositionDescription()); 1776 } else if (lfile == null) { 1777 Slog.w(TAG, "<library> without file at " 1778 + parser.getPositionDescription()); 1779 } else { 1780 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1781 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1782 } 1783 XmlUtils.skipCurrentTag(parser); 1784 continue; 1785 1786 } else if ("feature".equals(name)) { 1787 String fname = parser.getAttributeValue(null, "name"); 1788 if (fname == null) { 1789 Slog.w(TAG, "<feature> without name at " 1790 + parser.getPositionDescription()); 1791 } else { 1792 //Log.i(TAG, "Got feature " + fname); 1793 FeatureInfo fi = new FeatureInfo(); 1794 fi.name = fname; 1795 mAvailableFeatures.put(fname, fi); 1796 } 1797 XmlUtils.skipCurrentTag(parser); 1798 continue; 1799 1800 } else { 1801 XmlUtils.skipCurrentTag(parser); 1802 continue; 1803 } 1804 1805 } 1806 permReader.close(); 1807 } catch (XmlPullParserException e) { 1808 Slog.w(TAG, "Got execption parsing permissions.", e); 1809 } catch (IOException e) { 1810 Slog.w(TAG, "Got execption parsing permissions.", e); 1811 } 1812 } 1813 1814 void readPermission(XmlPullParser parser, String name) 1815 throws IOException, XmlPullParserException { 1816 1817 name = name.intern(); 1818 1819 BasePermission bp = mSettings.mPermissions.get(name); 1820 if (bp == null) { 1821 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1822 mSettings.mPermissions.put(name, bp); 1823 } 1824 int outerDepth = parser.getDepth(); 1825 int type; 1826 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1827 && (type != XmlPullParser.END_TAG 1828 || parser.getDepth() > outerDepth)) { 1829 if (type == XmlPullParser.END_TAG 1830 || type == XmlPullParser.TEXT) { 1831 continue; 1832 } 1833 1834 String tagName = parser.getName(); 1835 if ("group".equals(tagName)) { 1836 String gidStr = parser.getAttributeValue(null, "gid"); 1837 if (gidStr != null) { 1838 int gid = Process.getGidForName(gidStr); 1839 bp.gids = appendInt(bp.gids, gid); 1840 } else { 1841 Slog.w(TAG, "<group> without gid at " 1842 + parser.getPositionDescription()); 1843 } 1844 } 1845 XmlUtils.skipCurrentTag(parser); 1846 } 1847 } 1848 1849 static int[] appendInts(int[] cur, int[] add) { 1850 if (add == null) return cur; 1851 if (cur == null) return add; 1852 final int N = add.length; 1853 for (int i=0; i<N; i++) { 1854 cur = appendInt(cur, add[i]); 1855 } 1856 return cur; 1857 } 1858 1859 static int[] removeInts(int[] cur, int[] rem) { 1860 if (rem == null) return cur; 1861 if (cur == null) return cur; 1862 final int N = rem.length; 1863 for (int i=0; i<N; i++) { 1864 cur = removeInt(cur, rem[i]); 1865 } 1866 return cur; 1867 } 1868 1869 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1870 if (!sUserManager.exists(userId)) return null; 1871 final PackageSetting ps = (PackageSetting) p.mExtras; 1872 if (ps == null) { 1873 return null; 1874 } 1875 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1876 final PackageUserState state = ps.readUserState(userId); 1877 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1878 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1879 state, userId); 1880 } 1881 1882 public boolean isPackageAvailable(String packageName, int userId) { 1883 if (!sUserManager.exists(userId)) return false; 1884 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1885 synchronized (mPackages) { 1886 PackageParser.Package p = mPackages.get(packageName); 1887 if (p != null) { 1888 final PackageSetting ps = (PackageSetting) p.mExtras; 1889 if (ps != null) { 1890 final PackageUserState state = ps.readUserState(userId); 1891 if (state != null) { 1892 return PackageParser.isAvailable(state); 1893 } 1894 } 1895 } 1896 } 1897 return false; 1898 } 1899 1900 @Override 1901 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1902 if (!sUserManager.exists(userId)) return null; 1903 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1904 // reader 1905 synchronized (mPackages) { 1906 PackageParser.Package p = mPackages.get(packageName); 1907 if (DEBUG_PACKAGE_INFO) 1908 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1909 if (p != null) { 1910 return generatePackageInfo(p, flags, userId); 1911 } 1912 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1913 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1914 } 1915 } 1916 return null; 1917 } 1918 1919 public String[] currentToCanonicalPackageNames(String[] names) { 1920 String[] out = new String[names.length]; 1921 // reader 1922 synchronized (mPackages) { 1923 for (int i=names.length-1; i>=0; i--) { 1924 PackageSetting ps = mSettings.mPackages.get(names[i]); 1925 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1926 } 1927 } 1928 return out; 1929 } 1930 1931 public String[] canonicalToCurrentPackageNames(String[] names) { 1932 String[] out = new String[names.length]; 1933 // reader 1934 synchronized (mPackages) { 1935 for (int i=names.length-1; i>=0; i--) { 1936 String cur = mSettings.mRenamedPackages.get(names[i]); 1937 out[i] = cur != null ? cur : names[i]; 1938 } 1939 } 1940 return out; 1941 } 1942 1943 @Override 1944 public int getPackageUid(String packageName, int userId) { 1945 if (!sUserManager.exists(userId)) return -1; 1946 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1947 // reader 1948 synchronized (mPackages) { 1949 PackageParser.Package p = mPackages.get(packageName); 1950 if(p != null) { 1951 return UserHandle.getUid(userId, p.applicationInfo.uid); 1952 } 1953 PackageSetting ps = mSettings.mPackages.get(packageName); 1954 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1955 return -1; 1956 } 1957 p = ps.pkg; 1958 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1959 } 1960 } 1961 1962 @Override 1963 public int[] getPackageGids(String packageName) { 1964 // reader 1965 synchronized (mPackages) { 1966 PackageParser.Package p = mPackages.get(packageName); 1967 if (DEBUG_PACKAGE_INFO) 1968 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1969 if (p != null) { 1970 final PackageSetting ps = (PackageSetting)p.mExtras; 1971 return ps.getGids(); 1972 } 1973 } 1974 // stupid thing to indicate an error. 1975 return new int[0]; 1976 } 1977 1978 static final PermissionInfo generatePermissionInfo( 1979 BasePermission bp, int flags) { 1980 if (bp.perm != null) { 1981 return PackageParser.generatePermissionInfo(bp.perm, flags); 1982 } 1983 PermissionInfo pi = new PermissionInfo(); 1984 pi.name = bp.name; 1985 pi.packageName = bp.sourcePackage; 1986 pi.nonLocalizedLabel = bp.name; 1987 pi.protectionLevel = bp.protectionLevel; 1988 return pi; 1989 } 1990 1991 public PermissionInfo getPermissionInfo(String name, int flags) { 1992 // reader 1993 synchronized (mPackages) { 1994 final BasePermission p = mSettings.mPermissions.get(name); 1995 if (p != null) { 1996 return generatePermissionInfo(p, flags); 1997 } 1998 return null; 1999 } 2000 } 2001 2002 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2003 // reader 2004 synchronized (mPackages) { 2005 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2006 for (BasePermission p : mSettings.mPermissions.values()) { 2007 if (group == null) { 2008 if (p.perm == null || p.perm.info.group == null) { 2009 out.add(generatePermissionInfo(p, flags)); 2010 } 2011 } else { 2012 if (p.perm != null && group.equals(p.perm.info.group)) { 2013 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2014 } 2015 } 2016 } 2017 2018 if (out.size() > 0) { 2019 return out; 2020 } 2021 return mPermissionGroups.containsKey(group) ? out : null; 2022 } 2023 } 2024 2025 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2026 // reader 2027 synchronized (mPackages) { 2028 return PackageParser.generatePermissionGroupInfo( 2029 mPermissionGroups.get(name), flags); 2030 } 2031 } 2032 2033 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2034 // reader 2035 synchronized (mPackages) { 2036 final int N = mPermissionGroups.size(); 2037 ArrayList<PermissionGroupInfo> out 2038 = new ArrayList<PermissionGroupInfo>(N); 2039 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2040 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2041 } 2042 return out; 2043 } 2044 } 2045 2046 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2047 int userId) { 2048 if (!sUserManager.exists(userId)) return null; 2049 PackageSetting ps = mSettings.mPackages.get(packageName); 2050 if (ps != null) { 2051 if (ps.pkg == null) { 2052 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2053 flags, userId); 2054 if (pInfo != null) { 2055 return pInfo.applicationInfo; 2056 } 2057 return null; 2058 } 2059 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2060 ps.readUserState(userId), userId); 2061 } 2062 return null; 2063 } 2064 2065 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2066 int userId) { 2067 if (!sUserManager.exists(userId)) return null; 2068 PackageSetting ps = mSettings.mPackages.get(packageName); 2069 if (ps != null) { 2070 PackageParser.Package pkg = ps.pkg; 2071 if (pkg == null) { 2072 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2073 return null; 2074 } 2075 pkg = new PackageParser.Package(packageName); 2076 pkg.applicationInfo.packageName = packageName; 2077 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2078 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2079 pkg.applicationInfo.sourceDir = ps.codePathString; 2080 pkg.applicationInfo.dataDir = 2081 getDataPathForPackage(packageName, 0).getPath(); 2082 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2083 pkg.applicationInfo.requiredCpuAbi = ps.requiredCpuAbiString; 2084 } 2085 return generatePackageInfo(pkg, flags, userId); 2086 } 2087 return null; 2088 } 2089 2090 @Override 2091 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2092 if (!sUserManager.exists(userId)) return null; 2093 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2094 // writer 2095 synchronized (mPackages) { 2096 PackageParser.Package p = mPackages.get(packageName); 2097 if (DEBUG_PACKAGE_INFO) Log.v( 2098 TAG, "getApplicationInfo " + packageName 2099 + ": " + p); 2100 if (p != null) { 2101 PackageSetting ps = mSettings.mPackages.get(packageName); 2102 if (ps == null) return null; 2103 // Note: isEnabledLP() does not apply here - always return info 2104 return PackageParser.generateApplicationInfo( 2105 p, flags, ps.readUserState(userId), userId); 2106 } 2107 if ("android".equals(packageName)||"system".equals(packageName)) { 2108 return mAndroidApplication; 2109 } 2110 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2111 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2112 } 2113 } 2114 return null; 2115 } 2116 2117 2118 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2119 mContext.enforceCallingOrSelfPermission( 2120 android.Manifest.permission.CLEAR_APP_CACHE, null); 2121 // Queue up an async operation since clearing cache may take a little while. 2122 mHandler.post(new Runnable() { 2123 public void run() { 2124 mHandler.removeCallbacks(this); 2125 int retCode = -1; 2126 synchronized (mInstallLock) { 2127 retCode = mInstaller.freeCache(freeStorageSize); 2128 if (retCode < 0) { 2129 Slog.w(TAG, "Couldn't clear application caches"); 2130 } 2131 } 2132 if (observer != null) { 2133 try { 2134 observer.onRemoveCompleted(null, (retCode >= 0)); 2135 } catch (RemoteException e) { 2136 Slog.w(TAG, "RemoveException when invoking call back"); 2137 } 2138 } 2139 } 2140 }); 2141 } 2142 2143 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2144 mContext.enforceCallingOrSelfPermission( 2145 android.Manifest.permission.CLEAR_APP_CACHE, null); 2146 // Queue up an async operation since clearing cache may take a little while. 2147 mHandler.post(new Runnable() { 2148 public void run() { 2149 mHandler.removeCallbacks(this); 2150 int retCode = -1; 2151 synchronized (mInstallLock) { 2152 retCode = mInstaller.freeCache(freeStorageSize); 2153 if (retCode < 0) { 2154 Slog.w(TAG, "Couldn't clear application caches"); 2155 } 2156 } 2157 if(pi != null) { 2158 try { 2159 // Callback via pending intent 2160 int code = (retCode >= 0) ? 1 : 0; 2161 pi.sendIntent(null, code, null, 2162 null, null); 2163 } catch (SendIntentException e1) { 2164 Slog.i(TAG, "Failed to send pending intent"); 2165 } 2166 } 2167 } 2168 }); 2169 } 2170 2171 @Override 2172 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2173 if (!sUserManager.exists(userId)) return null; 2174 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2175 synchronized (mPackages) { 2176 PackageParser.Activity a = mActivities.mActivities.get(component); 2177 2178 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2179 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2180 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2181 if (ps == null) return null; 2182 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2183 userId); 2184 } 2185 if (mResolveComponentName.equals(component)) { 2186 return mResolveActivity; 2187 } 2188 } 2189 return null; 2190 } 2191 2192 @Override 2193 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2194 String resolvedType) { 2195 synchronized (mPackages) { 2196 PackageParser.Activity a = mActivities.mActivities.get(component); 2197 if (a == null) { 2198 return false; 2199 } 2200 for (int i=0; i<a.intents.size(); i++) { 2201 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2202 intent.getData(), intent.getCategories(), TAG) >= 0) { 2203 return true; 2204 } 2205 } 2206 return false; 2207 } 2208 } 2209 2210 @Override 2211 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2212 if (!sUserManager.exists(userId)) return null; 2213 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2214 synchronized (mPackages) { 2215 PackageParser.Activity a = mReceivers.mActivities.get(component); 2216 if (DEBUG_PACKAGE_INFO) Log.v( 2217 TAG, "getReceiverInfo " + component + ": " + a); 2218 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2219 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2220 if (ps == null) return null; 2221 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2222 userId); 2223 } 2224 } 2225 return null; 2226 } 2227 2228 @Override 2229 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2230 if (!sUserManager.exists(userId)) return null; 2231 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2232 synchronized (mPackages) { 2233 PackageParser.Service s = mServices.mServices.get(component); 2234 if (DEBUG_PACKAGE_INFO) Log.v( 2235 TAG, "getServiceInfo " + component + ": " + s); 2236 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2237 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2238 if (ps == null) return null; 2239 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2240 userId); 2241 } 2242 } 2243 return null; 2244 } 2245 2246 @Override 2247 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2248 if (!sUserManager.exists(userId)) return null; 2249 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2250 synchronized (mPackages) { 2251 PackageParser.Provider p = mProviders.mProviders.get(component); 2252 if (DEBUG_PACKAGE_INFO) Log.v( 2253 TAG, "getProviderInfo " + component + ": " + p); 2254 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2255 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2256 if (ps == null) return null; 2257 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2258 userId); 2259 } 2260 } 2261 return null; 2262 } 2263 2264 public String[] getSystemSharedLibraryNames() { 2265 Set<String> libSet; 2266 synchronized (mPackages) { 2267 libSet = mSharedLibraries.keySet(); 2268 int size = libSet.size(); 2269 if (size > 0) { 2270 String[] libs = new String[size]; 2271 libSet.toArray(libs); 2272 return libs; 2273 } 2274 } 2275 return null; 2276 } 2277 2278 public FeatureInfo[] getSystemAvailableFeatures() { 2279 Collection<FeatureInfo> featSet; 2280 synchronized (mPackages) { 2281 featSet = mAvailableFeatures.values(); 2282 int size = featSet.size(); 2283 if (size > 0) { 2284 FeatureInfo[] features = new FeatureInfo[size+1]; 2285 featSet.toArray(features); 2286 FeatureInfo fi = new FeatureInfo(); 2287 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2288 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2289 features[size] = fi; 2290 return features; 2291 } 2292 } 2293 return null; 2294 } 2295 2296 public boolean hasSystemFeature(String name) { 2297 synchronized (mPackages) { 2298 return mAvailableFeatures.containsKey(name); 2299 } 2300 } 2301 2302 private void checkValidCaller(int uid, int userId) { 2303 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2304 return; 2305 2306 throw new SecurityException("Caller uid=" + uid 2307 + " is not privileged to communicate with user=" + userId); 2308 } 2309 2310 public int checkPermission(String permName, String pkgName) { 2311 synchronized (mPackages) { 2312 PackageParser.Package p = mPackages.get(pkgName); 2313 if (p != null && p.mExtras != null) { 2314 PackageSetting ps = (PackageSetting)p.mExtras; 2315 if (ps.sharedUser != null) { 2316 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2317 return PackageManager.PERMISSION_GRANTED; 2318 } 2319 } else if (ps.grantedPermissions.contains(permName)) { 2320 return PackageManager.PERMISSION_GRANTED; 2321 } 2322 } 2323 } 2324 return PackageManager.PERMISSION_DENIED; 2325 } 2326 2327 public int checkUidPermission(String permName, int uid) { 2328 synchronized (mPackages) { 2329 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2330 if (obj != null) { 2331 GrantedPermissions gp = (GrantedPermissions)obj; 2332 if (gp.grantedPermissions.contains(permName)) { 2333 return PackageManager.PERMISSION_GRANTED; 2334 } 2335 } else { 2336 HashSet<String> perms = mSystemPermissions.get(uid); 2337 if (perms != null && perms.contains(permName)) { 2338 return PackageManager.PERMISSION_GRANTED; 2339 } 2340 } 2341 } 2342 return PackageManager.PERMISSION_DENIED; 2343 } 2344 2345 /** 2346 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2347 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2348 * @param message the message to log on security exception 2349 * @return 2350 */ 2351 private void enforceCrossUserPermission(int callingUid, int userId, 2352 boolean requireFullPermission, String message) { 2353 if (userId < 0) { 2354 throw new IllegalArgumentException("Invalid userId " + userId); 2355 } 2356 if (userId == UserHandle.getUserId(callingUid)) return; 2357 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2358 if (requireFullPermission) { 2359 mContext.enforceCallingOrSelfPermission( 2360 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2361 } else { 2362 try { 2363 mContext.enforceCallingOrSelfPermission( 2364 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2365 } catch (SecurityException se) { 2366 mContext.enforceCallingOrSelfPermission( 2367 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2368 } 2369 } 2370 } 2371 } 2372 2373 private BasePermission findPermissionTreeLP(String permName) { 2374 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2375 if (permName.startsWith(bp.name) && 2376 permName.length() > bp.name.length() && 2377 permName.charAt(bp.name.length()) == '.') { 2378 return bp; 2379 } 2380 } 2381 return null; 2382 } 2383 2384 private BasePermission checkPermissionTreeLP(String permName) { 2385 if (permName != null) { 2386 BasePermission bp = findPermissionTreeLP(permName); 2387 if (bp != null) { 2388 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2389 return bp; 2390 } 2391 throw new SecurityException("Calling uid " 2392 + Binder.getCallingUid() 2393 + " is not allowed to add to permission tree " 2394 + bp.name + " owned by uid " + bp.uid); 2395 } 2396 } 2397 throw new SecurityException("No permission tree found for " + permName); 2398 } 2399 2400 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2401 if (s1 == null) { 2402 return s2 == null; 2403 } 2404 if (s2 == null) { 2405 return false; 2406 } 2407 if (s1.getClass() != s2.getClass()) { 2408 return false; 2409 } 2410 return s1.equals(s2); 2411 } 2412 2413 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2414 if (pi1.icon != pi2.icon) return false; 2415 if (pi1.logo != pi2.logo) return false; 2416 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2417 if (!compareStrings(pi1.name, pi2.name)) return false; 2418 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2419 // We'll take care of setting this one. 2420 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2421 // These are not currently stored in settings. 2422 //if (!compareStrings(pi1.group, pi2.group)) return false; 2423 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2424 //if (pi1.labelRes != pi2.labelRes) return false; 2425 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2426 return true; 2427 } 2428 2429 int permissionInfoFootprint(PermissionInfo info) { 2430 int size = info.name.length(); 2431 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2432 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2433 return size; 2434 } 2435 2436 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2437 int size = 0; 2438 for (BasePermission perm : mSettings.mPermissions.values()) { 2439 if (perm.uid == tree.uid) { 2440 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2441 } 2442 } 2443 return size; 2444 } 2445 2446 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2447 // We calculate the max size of permissions defined by this uid and throw 2448 // if that plus the size of 'info' would exceed our stated maximum. 2449 if (tree.uid != Process.SYSTEM_UID) { 2450 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2451 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2452 throw new SecurityException("Permission tree size cap exceeded"); 2453 } 2454 } 2455 } 2456 2457 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2458 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2459 throw new SecurityException("Label must be specified in permission"); 2460 } 2461 BasePermission tree = checkPermissionTreeLP(info.name); 2462 BasePermission bp = mSettings.mPermissions.get(info.name); 2463 boolean added = bp == null; 2464 boolean changed = true; 2465 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2466 if (added) { 2467 enforcePermissionCapLocked(info, tree); 2468 bp = new BasePermission(info.name, tree.sourcePackage, 2469 BasePermission.TYPE_DYNAMIC); 2470 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2471 throw new SecurityException( 2472 "Not allowed to modify non-dynamic permission " 2473 + info.name); 2474 } else { 2475 if (bp.protectionLevel == fixedLevel 2476 && bp.perm.owner.equals(tree.perm.owner) 2477 && bp.uid == tree.uid 2478 && comparePermissionInfos(bp.perm.info, info)) { 2479 changed = false; 2480 } 2481 } 2482 bp.protectionLevel = fixedLevel; 2483 info = new PermissionInfo(info); 2484 info.protectionLevel = fixedLevel; 2485 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2486 bp.perm.info.packageName = tree.perm.info.packageName; 2487 bp.uid = tree.uid; 2488 if (added) { 2489 mSettings.mPermissions.put(info.name, bp); 2490 } 2491 if (changed) { 2492 if (!async) { 2493 mSettings.writeLPr(); 2494 } else { 2495 scheduleWriteSettingsLocked(); 2496 } 2497 } 2498 return added; 2499 } 2500 2501 public boolean addPermission(PermissionInfo info) { 2502 synchronized (mPackages) { 2503 return addPermissionLocked(info, false); 2504 } 2505 } 2506 2507 public boolean addPermissionAsync(PermissionInfo info) { 2508 synchronized (mPackages) { 2509 return addPermissionLocked(info, true); 2510 } 2511 } 2512 2513 public void removePermission(String name) { 2514 synchronized (mPackages) { 2515 checkPermissionTreeLP(name); 2516 BasePermission bp = mSettings.mPermissions.get(name); 2517 if (bp != null) { 2518 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2519 throw new SecurityException( 2520 "Not allowed to modify non-dynamic permission " 2521 + name); 2522 } 2523 mSettings.mPermissions.remove(name); 2524 mSettings.writeLPr(); 2525 } 2526 } 2527 } 2528 2529 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2530 int index = pkg.requestedPermissions.indexOf(bp.name); 2531 if (index == -1) { 2532 throw new SecurityException("Package " + pkg.packageName 2533 + " has not requested permission " + bp.name); 2534 } 2535 boolean isNormal = 2536 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2537 == PermissionInfo.PROTECTION_NORMAL); 2538 boolean isDangerous = 2539 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2540 == PermissionInfo.PROTECTION_DANGEROUS); 2541 boolean isDevelopment = 2542 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2543 2544 if (!isNormal && !isDangerous && !isDevelopment) { 2545 throw new SecurityException("Permission " + bp.name 2546 + " is not a changeable permission type"); 2547 } 2548 2549 if (isNormal || isDangerous) { 2550 if (pkg.requestedPermissionsRequired.get(index)) { 2551 throw new SecurityException("Can't change " + bp.name 2552 + ". It is required by the application"); 2553 } 2554 } 2555 } 2556 2557 public void grantPermission(String packageName, String permissionName) { 2558 mContext.enforceCallingOrSelfPermission( 2559 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2560 synchronized (mPackages) { 2561 final PackageParser.Package pkg = mPackages.get(packageName); 2562 if (pkg == null) { 2563 throw new IllegalArgumentException("Unknown package: " + packageName); 2564 } 2565 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2566 if (bp == null) { 2567 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2568 } 2569 2570 checkGrantRevokePermissions(pkg, bp); 2571 2572 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2573 if (ps == null) { 2574 return; 2575 } 2576 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2577 if (gp.grantedPermissions.add(permissionName)) { 2578 if (ps.haveGids) { 2579 gp.gids = appendInts(gp.gids, bp.gids); 2580 } 2581 mSettings.writeLPr(); 2582 } 2583 } 2584 } 2585 2586 public void revokePermission(String packageName, String permissionName) { 2587 int changedAppId = -1; 2588 2589 synchronized (mPackages) { 2590 final PackageParser.Package pkg = mPackages.get(packageName); 2591 if (pkg == null) { 2592 throw new IllegalArgumentException("Unknown package: " + packageName); 2593 } 2594 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2595 mContext.enforceCallingOrSelfPermission( 2596 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2597 } 2598 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2599 if (bp == null) { 2600 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2601 } 2602 2603 checkGrantRevokePermissions(pkg, bp); 2604 2605 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2606 if (ps == null) { 2607 return; 2608 } 2609 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2610 if (gp.grantedPermissions.remove(permissionName)) { 2611 gp.grantedPermissions.remove(permissionName); 2612 if (ps.haveGids) { 2613 gp.gids = removeInts(gp.gids, bp.gids); 2614 } 2615 mSettings.writeLPr(); 2616 changedAppId = ps.appId; 2617 } 2618 } 2619 2620 if (changedAppId >= 0) { 2621 // We changed the perm on someone, kill its processes. 2622 IActivityManager am = ActivityManagerNative.getDefault(); 2623 if (am != null) { 2624 final int callingUserId = UserHandle.getCallingUserId(); 2625 final long ident = Binder.clearCallingIdentity(); 2626 try { 2627 //XXX we should only revoke for the calling user's app permissions, 2628 // but for now we impact all users. 2629 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2630 // "revoke " + permissionName); 2631 int[] users = sUserManager.getUserIds(); 2632 for (int user : users) { 2633 am.killUid(UserHandle.getUid(user, changedAppId), 2634 "revoke " + permissionName); 2635 } 2636 } catch (RemoteException e) { 2637 } finally { 2638 Binder.restoreCallingIdentity(ident); 2639 } 2640 } 2641 } 2642 } 2643 2644 public boolean isProtectedBroadcast(String actionName) { 2645 synchronized (mPackages) { 2646 return mProtectedBroadcasts.contains(actionName); 2647 } 2648 } 2649 2650 public int checkSignatures(String pkg1, String pkg2) { 2651 synchronized (mPackages) { 2652 final PackageParser.Package p1 = mPackages.get(pkg1); 2653 final PackageParser.Package p2 = mPackages.get(pkg2); 2654 if (p1 == null || p1.mExtras == null 2655 || p2 == null || p2.mExtras == null) { 2656 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2657 } 2658 return compareSignatures(p1.mSignatures, p2.mSignatures); 2659 } 2660 } 2661 2662 public int checkUidSignatures(int uid1, int uid2) { 2663 // Map to base uids. 2664 uid1 = UserHandle.getAppId(uid1); 2665 uid2 = UserHandle.getAppId(uid2); 2666 // reader 2667 synchronized (mPackages) { 2668 Signature[] s1; 2669 Signature[] s2; 2670 Object obj = mSettings.getUserIdLPr(uid1); 2671 if (obj != null) { 2672 if (obj instanceof SharedUserSetting) { 2673 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2674 } else if (obj instanceof PackageSetting) { 2675 s1 = ((PackageSetting)obj).signatures.mSignatures; 2676 } else { 2677 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2678 } 2679 } else { 2680 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2681 } 2682 obj = mSettings.getUserIdLPr(uid2); 2683 if (obj != null) { 2684 if (obj instanceof SharedUserSetting) { 2685 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2686 } else if (obj instanceof PackageSetting) { 2687 s2 = ((PackageSetting)obj).signatures.mSignatures; 2688 } else { 2689 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2690 } 2691 } else { 2692 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2693 } 2694 return compareSignatures(s1, s2); 2695 } 2696 } 2697 2698 /** 2699 * Compares two sets of signatures. Returns: 2700 * <br /> 2701 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2702 * <br /> 2703 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2704 * <br /> 2705 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2706 * <br /> 2707 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2708 * <br /> 2709 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2710 */ 2711 static int compareSignatures(Signature[] s1, Signature[] s2) { 2712 if (s1 == null) { 2713 return s2 == null 2714 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2715 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2716 } 2717 2718 if (s2 == null) { 2719 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2720 } 2721 2722 if (s1.length != s2.length) { 2723 return PackageManager.SIGNATURE_NO_MATCH; 2724 } 2725 2726 // Since both signature sets are of size 1, we can compare without HashSets. 2727 if (s1.length == 1) { 2728 return s1[0].equals(s2[0]) ? 2729 PackageManager.SIGNATURE_MATCH : 2730 PackageManager.SIGNATURE_NO_MATCH; 2731 } 2732 2733 HashSet<Signature> set1 = new HashSet<Signature>(); 2734 for (Signature sig : s1) { 2735 set1.add(sig); 2736 } 2737 HashSet<Signature> set2 = new HashSet<Signature>(); 2738 for (Signature sig : s2) { 2739 set2.add(sig); 2740 } 2741 // Make sure s2 contains all signatures in s1. 2742 if (set1.equals(set2)) { 2743 return PackageManager.SIGNATURE_MATCH; 2744 } 2745 return PackageManager.SIGNATURE_NO_MATCH; 2746 } 2747 2748 /** 2749 * If the database version for this type of package (internal storage or 2750 * external storage) is less than the version where package signatures 2751 * were updated, return true. 2752 */ 2753 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2754 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2755 DatabaseVersion.SIGNATURE_END_ENTITY)) 2756 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2757 DatabaseVersion.SIGNATURE_END_ENTITY)); 2758 } 2759 2760 /** 2761 * Used for backward compatibility to make sure any packages with 2762 * certificate chains get upgraded to the new style. {@code existingSigs} 2763 * will be in the old format (since they were stored on disk from before the 2764 * system upgrade) and {@code scannedSigs} will be in the newer format. 2765 */ 2766 private int compareSignaturesCompat(PackageSignatures existingSigs, 2767 PackageParser.Package scannedPkg) { 2768 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2769 return PackageManager.SIGNATURE_NO_MATCH; 2770 } 2771 2772 HashSet<Signature> existingSet = new HashSet<Signature>(); 2773 for (Signature sig : existingSigs.mSignatures) { 2774 existingSet.add(sig); 2775 } 2776 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2777 for (Signature sig : scannedPkg.mSignatures) { 2778 try { 2779 Signature[] chainSignatures = sig.getChainSignatures(); 2780 for (Signature chainSig : chainSignatures) { 2781 scannedCompatSet.add(chainSig); 2782 } 2783 } catch (CertificateEncodingException e) { 2784 scannedCompatSet.add(sig); 2785 } 2786 } 2787 /* 2788 * Make sure the expanded scanned set contains all signatures in the 2789 * existing one. 2790 */ 2791 if (scannedCompatSet.equals(existingSet)) { 2792 // Migrate the old signatures to the new scheme. 2793 existingSigs.assignSignatures(scannedPkg.mSignatures); 2794 // The new KeySets will be re-added later in the scanning process. 2795 mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName); 2796 return PackageManager.SIGNATURE_MATCH; 2797 } 2798 return PackageManager.SIGNATURE_NO_MATCH; 2799 } 2800 2801 public String[] getPackagesForUid(int uid) { 2802 uid = UserHandle.getAppId(uid); 2803 // reader 2804 synchronized (mPackages) { 2805 Object obj = mSettings.getUserIdLPr(uid); 2806 if (obj instanceof SharedUserSetting) { 2807 final SharedUserSetting sus = (SharedUserSetting) obj; 2808 final int N = sus.packages.size(); 2809 final String[] res = new String[N]; 2810 final Iterator<PackageSetting> it = sus.packages.iterator(); 2811 int i = 0; 2812 while (it.hasNext()) { 2813 res[i++] = it.next().name; 2814 } 2815 return res; 2816 } else if (obj instanceof PackageSetting) { 2817 final PackageSetting ps = (PackageSetting) obj; 2818 return new String[] { ps.name }; 2819 } 2820 } 2821 return null; 2822 } 2823 2824 public String getNameForUid(int uid) { 2825 // reader 2826 synchronized (mPackages) { 2827 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2828 if (obj instanceof SharedUserSetting) { 2829 final SharedUserSetting sus = (SharedUserSetting) obj; 2830 return sus.name + ":" + sus.userId; 2831 } else if (obj instanceof PackageSetting) { 2832 final PackageSetting ps = (PackageSetting) obj; 2833 return ps.name; 2834 } 2835 } 2836 return null; 2837 } 2838 2839 public int getUidForSharedUser(String sharedUserName) { 2840 if(sharedUserName == null) { 2841 return -1; 2842 } 2843 // reader 2844 synchronized (mPackages) { 2845 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2846 if (suid == null) { 2847 return -1; 2848 } 2849 return suid.userId; 2850 } 2851 } 2852 2853 public int getFlagsForUid(int uid) { 2854 synchronized (mPackages) { 2855 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2856 if (obj instanceof SharedUserSetting) { 2857 final SharedUserSetting sus = (SharedUserSetting) obj; 2858 return sus.pkgFlags; 2859 } else if (obj instanceof PackageSetting) { 2860 final PackageSetting ps = (PackageSetting) obj; 2861 return ps.pkgFlags; 2862 } 2863 } 2864 return 0; 2865 } 2866 2867 @Override 2868 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2869 int flags, int userId) { 2870 if (!sUserManager.exists(userId)) return null; 2871 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2872 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2873 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2874 } 2875 2876 @Override 2877 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2878 IntentFilter filter, int match, ComponentName activity) { 2879 final int userId = UserHandle.getCallingUserId(); 2880 if (DEBUG_PREFERRED) { 2881 Log.v(TAG, "setLastChosenActivity intent=" + intent 2882 + " resolvedType=" + resolvedType 2883 + " flags=" + flags 2884 + " filter=" + filter 2885 + " match=" + match 2886 + " activity=" + activity); 2887 filter.dump(new PrintStreamPrinter(System.out), " "); 2888 } 2889 intent.setComponent(null); 2890 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2891 // Find any earlier preferred or last chosen entries and nuke them 2892 findPreferredActivity(intent, resolvedType, 2893 flags, query, 0, false, true, false, userId); 2894 // Add the new activity as the last chosen for this filter 2895 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2896 } 2897 2898 @Override 2899 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2900 final int userId = UserHandle.getCallingUserId(); 2901 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2902 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2903 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2904 false, false, false, userId); 2905 } 2906 2907 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2908 int flags, List<ResolveInfo> query, int userId) { 2909 if (query != null) { 2910 final int N = query.size(); 2911 if (N == 1) { 2912 return query.get(0); 2913 } else if (N > 1) { 2914 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2915 // If there is more than one activity with the same priority, 2916 // then let the user decide between them. 2917 ResolveInfo r0 = query.get(0); 2918 ResolveInfo r1 = query.get(1); 2919 if (DEBUG_INTENT_MATCHING || debug) { 2920 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2921 + r1.activityInfo.name + "=" + r1.priority); 2922 } 2923 // If the first activity has a higher priority, or a different 2924 // default, then it is always desireable to pick it. 2925 if (r0.priority != r1.priority 2926 || r0.preferredOrder != r1.preferredOrder 2927 || r0.isDefault != r1.isDefault) { 2928 return query.get(0); 2929 } 2930 // If we have saved a preference for a preferred activity for 2931 // this Intent, use that. 2932 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2933 flags, query, r0.priority, true, false, debug, userId); 2934 if (ri != null) { 2935 return ri; 2936 } 2937 if (userId != 0) { 2938 ri = new ResolveInfo(mResolveInfo); 2939 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2940 ri.activityInfo.applicationInfo = new ApplicationInfo( 2941 ri.activityInfo.applicationInfo); 2942 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2943 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2944 return ri; 2945 } 2946 return mResolveInfo; 2947 } 2948 } 2949 return null; 2950 } 2951 2952 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2953 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2954 final int N = query.size(); 2955 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2956 .get(userId); 2957 // Get the list of persistent preferred activities that handle the intent 2958 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 2959 List<PersistentPreferredActivity> pprefs = ppir != null 2960 ? ppir.queryIntent(intent, resolvedType, 2961 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2962 : null; 2963 if (pprefs != null && pprefs.size() > 0) { 2964 final int M = pprefs.size(); 2965 for (int i=0; i<M; i++) { 2966 final PersistentPreferredActivity ppa = pprefs.get(i); 2967 if (DEBUG_PREFERRED || debug) { 2968 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 2969 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 2970 + "\n component=" + ppa.mComponent); 2971 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2972 } 2973 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 2974 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2975 if (DEBUG_PREFERRED || debug) { 2976 Slog.v(TAG, "Found persistent preferred activity:"); 2977 if (ai != null) { 2978 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2979 } else { 2980 Slog.v(TAG, " null"); 2981 } 2982 } 2983 if (ai == null) { 2984 // This previously registered persistent preferred activity 2985 // component is no longer known. Ignore it and do NOT remove it. 2986 continue; 2987 } 2988 for (int j=0; j<N; j++) { 2989 final ResolveInfo ri = query.get(j); 2990 if (!ri.activityInfo.applicationInfo.packageName 2991 .equals(ai.applicationInfo.packageName)) { 2992 continue; 2993 } 2994 if (!ri.activityInfo.name.equals(ai.name)) { 2995 continue; 2996 } 2997 // Found a persistent preference that can handle the intent. 2998 if (DEBUG_PREFERRED || debug) { 2999 Slog.v(TAG, "Returning persistent preferred activity: " + 3000 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3001 } 3002 return ri; 3003 } 3004 } 3005 } 3006 return null; 3007 } 3008 3009 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3010 List<ResolveInfo> query, int priority, boolean always, 3011 boolean removeMatches, boolean debug, int userId) { 3012 if (!sUserManager.exists(userId)) return null; 3013 // writer 3014 synchronized (mPackages) { 3015 if (intent.getSelector() != null) { 3016 intent = intent.getSelector(); 3017 } 3018 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3019 3020 // Try to find a matching persistent preferred activity. 3021 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3022 debug, userId); 3023 3024 // If a persistent preferred activity matched, use it. 3025 if (pri != null) { 3026 return pri; 3027 } 3028 3029 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3030 // Get the list of preferred activities that handle the intent 3031 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3032 List<PreferredActivity> prefs = pir != null 3033 ? pir.queryIntent(intent, resolvedType, 3034 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3035 : null; 3036 if (prefs != null && prefs.size() > 0) { 3037 // First figure out how good the original match set is. 3038 // We will only allow preferred activities that came 3039 // from the same match quality. 3040 int match = 0; 3041 3042 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3043 3044 final int N = query.size(); 3045 for (int j=0; j<N; j++) { 3046 final ResolveInfo ri = query.get(j); 3047 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3048 + ": 0x" + Integer.toHexString(match)); 3049 if (ri.match > match) { 3050 match = ri.match; 3051 } 3052 } 3053 3054 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3055 + Integer.toHexString(match)); 3056 3057 match &= IntentFilter.MATCH_CATEGORY_MASK; 3058 final int M = prefs.size(); 3059 for (int i=0; i<M; i++) { 3060 final PreferredActivity pa = prefs.get(i); 3061 if (DEBUG_PREFERRED || debug) { 3062 Slog.v(TAG, "Checking PreferredActivity ds=" 3063 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3064 + "\n component=" + pa.mPref.mComponent); 3065 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3066 } 3067 if (pa.mPref.mMatch != match) { 3068 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3069 + Integer.toHexString(pa.mPref.mMatch)); 3070 continue; 3071 } 3072 // If it's not an "always" type preferred activity and that's what we're 3073 // looking for, skip it. 3074 if (always && !pa.mPref.mAlways) { 3075 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3076 continue; 3077 } 3078 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3079 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3080 if (DEBUG_PREFERRED || debug) { 3081 Slog.v(TAG, "Found preferred activity:"); 3082 if (ai != null) { 3083 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3084 } else { 3085 Slog.v(TAG, " null"); 3086 } 3087 } 3088 if (ai == null) { 3089 // This previously registered preferred activity 3090 // component is no longer known. Most likely an update 3091 // to the app was installed and in the new version this 3092 // component no longer exists. Clean it up by removing 3093 // it from the preferred activities list, and skip it. 3094 Slog.w(TAG, "Removing dangling preferred activity: " 3095 + pa.mPref.mComponent); 3096 pir.removeFilter(pa); 3097 continue; 3098 } 3099 for (int j=0; j<N; j++) { 3100 final ResolveInfo ri = query.get(j); 3101 if (!ri.activityInfo.applicationInfo.packageName 3102 .equals(ai.applicationInfo.packageName)) { 3103 continue; 3104 } 3105 if (!ri.activityInfo.name.equals(ai.name)) { 3106 continue; 3107 } 3108 3109 if (removeMatches) { 3110 pir.removeFilter(pa); 3111 if (DEBUG_PREFERRED) { 3112 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3113 } 3114 break; 3115 } 3116 3117 // Okay we found a previously set preferred or last chosen app. 3118 // If the result set is different from when this 3119 // was created, we need to clear it and re-ask the 3120 // user their preference, if we're looking for an "always" type entry. 3121 if (always && !pa.mPref.sameSet(query, priority)) { 3122 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3123 + intent + " type " + resolvedType); 3124 if (DEBUG_PREFERRED) { 3125 Slog.v(TAG, "Removing preferred activity since set changed " 3126 + pa.mPref.mComponent); 3127 } 3128 pir.removeFilter(pa); 3129 // Re-add the filter as a "last chosen" entry (!always) 3130 PreferredActivity lastChosen = new PreferredActivity( 3131 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3132 pir.addFilter(lastChosen); 3133 mSettings.writePackageRestrictionsLPr(userId); 3134 return null; 3135 } 3136 3137 // Yay! Either the set matched or we're looking for the last chosen 3138 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3139 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3140 mSettings.writePackageRestrictionsLPr(userId); 3141 return ri; 3142 } 3143 } 3144 } 3145 mSettings.writePackageRestrictionsLPr(userId); 3146 } 3147 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3148 return null; 3149 } 3150 3151 @Override 3152 public List<ResolveInfo> queryIntentActivities(Intent intent, 3153 String resolvedType, int flags, int userId) { 3154 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3155 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3156 ComponentName comp = intent.getComponent(); 3157 if (comp == null) { 3158 if (intent.getSelector() != null) { 3159 intent = intent.getSelector(); 3160 comp = intent.getComponent(); 3161 } 3162 } 3163 3164 if (comp != null) { 3165 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3166 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3167 if (ai != null) { 3168 final ResolveInfo ri = new ResolveInfo(); 3169 ri.activityInfo = ai; 3170 list.add(ri); 3171 } 3172 return list; 3173 } 3174 3175 // reader 3176 synchronized (mPackages) { 3177 final String pkgName = intent.getPackage(); 3178 if (pkgName == null) { 3179 return mActivities.queryIntent(intent, resolvedType, flags, userId); 3180 } 3181 final PackageParser.Package pkg = mPackages.get(pkgName); 3182 if (pkg != null) { 3183 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3184 pkg.activities, userId); 3185 } 3186 return new ArrayList<ResolveInfo>(); 3187 } 3188 } 3189 3190 @Override 3191 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3192 Intent[] specifics, String[] specificTypes, Intent intent, 3193 String resolvedType, int flags, int userId) { 3194 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3195 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3196 "query intent activity options"); 3197 final String resultsAction = intent.getAction(); 3198 3199 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3200 | PackageManager.GET_RESOLVED_FILTER, userId); 3201 3202 if (DEBUG_INTENT_MATCHING) { 3203 Log.v(TAG, "Query " + intent + ": " + results); 3204 } 3205 3206 int specificsPos = 0; 3207 int N; 3208 3209 // todo: note that the algorithm used here is O(N^2). This 3210 // isn't a problem in our current environment, but if we start running 3211 // into situations where we have more than 5 or 10 matches then this 3212 // should probably be changed to something smarter... 3213 3214 // First we go through and resolve each of the specific items 3215 // that were supplied, taking care of removing any corresponding 3216 // duplicate items in the generic resolve list. 3217 if (specifics != null) { 3218 for (int i=0; i<specifics.length; i++) { 3219 final Intent sintent = specifics[i]; 3220 if (sintent == null) { 3221 continue; 3222 } 3223 3224 if (DEBUG_INTENT_MATCHING) { 3225 Log.v(TAG, "Specific #" + i + ": " + sintent); 3226 } 3227 3228 String action = sintent.getAction(); 3229 if (resultsAction != null && resultsAction.equals(action)) { 3230 // If this action was explicitly requested, then don't 3231 // remove things that have it. 3232 action = null; 3233 } 3234 3235 ResolveInfo ri = null; 3236 ActivityInfo ai = null; 3237 3238 ComponentName comp = sintent.getComponent(); 3239 if (comp == null) { 3240 ri = resolveIntent( 3241 sintent, 3242 specificTypes != null ? specificTypes[i] : null, 3243 flags, userId); 3244 if (ri == null) { 3245 continue; 3246 } 3247 if (ri == mResolveInfo) { 3248 // ACK! Must do something better with this. 3249 } 3250 ai = ri.activityInfo; 3251 comp = new ComponentName(ai.applicationInfo.packageName, 3252 ai.name); 3253 } else { 3254 ai = getActivityInfo(comp, flags, userId); 3255 if (ai == null) { 3256 continue; 3257 } 3258 } 3259 3260 // Look for any generic query activities that are duplicates 3261 // of this specific one, and remove them from the results. 3262 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3263 N = results.size(); 3264 int j; 3265 for (j=specificsPos; j<N; j++) { 3266 ResolveInfo sri = results.get(j); 3267 if ((sri.activityInfo.name.equals(comp.getClassName()) 3268 && sri.activityInfo.applicationInfo.packageName.equals( 3269 comp.getPackageName())) 3270 || (action != null && sri.filter.matchAction(action))) { 3271 results.remove(j); 3272 if (DEBUG_INTENT_MATCHING) Log.v( 3273 TAG, "Removing duplicate item from " + j 3274 + " due to specific " + specificsPos); 3275 if (ri == null) { 3276 ri = sri; 3277 } 3278 j--; 3279 N--; 3280 } 3281 } 3282 3283 // Add this specific item to its proper place. 3284 if (ri == null) { 3285 ri = new ResolveInfo(); 3286 ri.activityInfo = ai; 3287 } 3288 results.add(specificsPos, ri); 3289 ri.specificIndex = i; 3290 specificsPos++; 3291 } 3292 } 3293 3294 // Now we go through the remaining generic results and remove any 3295 // duplicate actions that are found here. 3296 N = results.size(); 3297 for (int i=specificsPos; i<N-1; i++) { 3298 final ResolveInfo rii = results.get(i); 3299 if (rii.filter == null) { 3300 continue; 3301 } 3302 3303 // Iterate over all of the actions of this result's intent 3304 // filter... typically this should be just one. 3305 final Iterator<String> it = rii.filter.actionsIterator(); 3306 if (it == null) { 3307 continue; 3308 } 3309 while (it.hasNext()) { 3310 final String action = it.next(); 3311 if (resultsAction != null && resultsAction.equals(action)) { 3312 // If this action was explicitly requested, then don't 3313 // remove things that have it. 3314 continue; 3315 } 3316 for (int j=i+1; j<N; j++) { 3317 final ResolveInfo rij = results.get(j); 3318 if (rij.filter != null && rij.filter.hasAction(action)) { 3319 results.remove(j); 3320 if (DEBUG_INTENT_MATCHING) Log.v( 3321 TAG, "Removing duplicate item from " + j 3322 + " due to action " + action + " at " + i); 3323 j--; 3324 N--; 3325 } 3326 } 3327 } 3328 3329 // If the caller didn't request filter information, drop it now 3330 // so we don't have to marshall/unmarshall it. 3331 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3332 rii.filter = null; 3333 } 3334 } 3335 3336 // Filter out the caller activity if so requested. 3337 if (caller != null) { 3338 N = results.size(); 3339 for (int i=0; i<N; i++) { 3340 ActivityInfo ainfo = results.get(i).activityInfo; 3341 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3342 && caller.getClassName().equals(ainfo.name)) { 3343 results.remove(i); 3344 break; 3345 } 3346 } 3347 } 3348 3349 // If the caller didn't request filter information, 3350 // drop them now so we don't have to 3351 // marshall/unmarshall it. 3352 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3353 N = results.size(); 3354 for (int i=0; i<N; i++) { 3355 results.get(i).filter = null; 3356 } 3357 } 3358 3359 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3360 return results; 3361 } 3362 3363 @Override 3364 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3365 int userId) { 3366 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3367 ComponentName comp = intent.getComponent(); 3368 if (comp == null) { 3369 if (intent.getSelector() != null) { 3370 intent = intent.getSelector(); 3371 comp = intent.getComponent(); 3372 } 3373 } 3374 if (comp != null) { 3375 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3376 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3377 if (ai != null) { 3378 ResolveInfo ri = new ResolveInfo(); 3379 ri.activityInfo = ai; 3380 list.add(ri); 3381 } 3382 return list; 3383 } 3384 3385 // reader 3386 synchronized (mPackages) { 3387 String pkgName = intent.getPackage(); 3388 if (pkgName == null) { 3389 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3390 } 3391 final PackageParser.Package pkg = mPackages.get(pkgName); 3392 if (pkg != null) { 3393 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3394 userId); 3395 } 3396 return null; 3397 } 3398 } 3399 3400 @Override 3401 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3402 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3403 if (!sUserManager.exists(userId)) return null; 3404 if (query != null) { 3405 if (query.size() >= 1) { 3406 // If there is more than one service with the same priority, 3407 // just arbitrarily pick the first one. 3408 return query.get(0); 3409 } 3410 } 3411 return null; 3412 } 3413 3414 @Override 3415 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3416 int userId) { 3417 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3418 ComponentName comp = intent.getComponent(); 3419 if (comp == null) { 3420 if (intent.getSelector() != null) { 3421 intent = intent.getSelector(); 3422 comp = intent.getComponent(); 3423 } 3424 } 3425 if (comp != null) { 3426 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3427 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3428 if (si != null) { 3429 final ResolveInfo ri = new ResolveInfo(); 3430 ri.serviceInfo = si; 3431 list.add(ri); 3432 } 3433 return list; 3434 } 3435 3436 // reader 3437 synchronized (mPackages) { 3438 String pkgName = intent.getPackage(); 3439 if (pkgName == null) { 3440 return mServices.queryIntent(intent, resolvedType, flags, userId); 3441 } 3442 final PackageParser.Package pkg = mPackages.get(pkgName); 3443 if (pkg != null) { 3444 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3445 userId); 3446 } 3447 return null; 3448 } 3449 } 3450 3451 @Override 3452 public List<ResolveInfo> queryIntentContentProviders( 3453 Intent intent, String resolvedType, int flags, int userId) { 3454 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3455 ComponentName comp = intent.getComponent(); 3456 if (comp == null) { 3457 if (intent.getSelector() != null) { 3458 intent = intent.getSelector(); 3459 comp = intent.getComponent(); 3460 } 3461 } 3462 if (comp != null) { 3463 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3464 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3465 if (pi != null) { 3466 final ResolveInfo ri = new ResolveInfo(); 3467 ri.providerInfo = pi; 3468 list.add(ri); 3469 } 3470 return list; 3471 } 3472 3473 // reader 3474 synchronized (mPackages) { 3475 String pkgName = intent.getPackage(); 3476 if (pkgName == null) { 3477 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3478 } 3479 final PackageParser.Package pkg = mPackages.get(pkgName); 3480 if (pkg != null) { 3481 return mProviders.queryIntentForPackage( 3482 intent, resolvedType, flags, pkg.providers, userId); 3483 } 3484 return null; 3485 } 3486 } 3487 3488 @Override 3489 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3490 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3491 3492 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3493 3494 // writer 3495 synchronized (mPackages) { 3496 ArrayList<PackageInfo> list; 3497 if (listUninstalled) { 3498 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3499 for (PackageSetting ps : mSettings.mPackages.values()) { 3500 PackageInfo pi; 3501 if (ps.pkg != null) { 3502 pi = generatePackageInfo(ps.pkg, flags, userId); 3503 } else { 3504 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3505 } 3506 if (pi != null) { 3507 list.add(pi); 3508 } 3509 } 3510 } else { 3511 list = new ArrayList<PackageInfo>(mPackages.size()); 3512 for (PackageParser.Package p : mPackages.values()) { 3513 PackageInfo pi = generatePackageInfo(p, flags, userId); 3514 if (pi != null) { 3515 list.add(pi); 3516 } 3517 } 3518 } 3519 3520 return new ParceledListSlice<PackageInfo>(list); 3521 } 3522 } 3523 3524 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3525 String[] permissions, boolean[] tmp, int flags, int userId) { 3526 int numMatch = 0; 3527 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3528 for (int i=0; i<permissions.length; i++) { 3529 if (gp.grantedPermissions.contains(permissions[i])) { 3530 tmp[i] = true; 3531 numMatch++; 3532 } else { 3533 tmp[i] = false; 3534 } 3535 } 3536 if (numMatch == 0) { 3537 return; 3538 } 3539 PackageInfo pi; 3540 if (ps.pkg != null) { 3541 pi = generatePackageInfo(ps.pkg, flags, userId); 3542 } else { 3543 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3544 } 3545 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3546 if (numMatch == permissions.length) { 3547 pi.requestedPermissions = permissions; 3548 } else { 3549 pi.requestedPermissions = new String[numMatch]; 3550 numMatch = 0; 3551 for (int i=0; i<permissions.length; i++) { 3552 if (tmp[i]) { 3553 pi.requestedPermissions[numMatch] = permissions[i]; 3554 numMatch++; 3555 } 3556 } 3557 } 3558 } 3559 list.add(pi); 3560 } 3561 3562 @Override 3563 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3564 String[] permissions, int flags, int userId) { 3565 if (!sUserManager.exists(userId)) return null; 3566 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3567 3568 // writer 3569 synchronized (mPackages) { 3570 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3571 boolean[] tmpBools = new boolean[permissions.length]; 3572 if (listUninstalled) { 3573 for (PackageSetting ps : mSettings.mPackages.values()) { 3574 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3575 } 3576 } else { 3577 for (PackageParser.Package pkg : mPackages.values()) { 3578 PackageSetting ps = (PackageSetting)pkg.mExtras; 3579 if (ps != null) { 3580 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3581 userId); 3582 } 3583 } 3584 } 3585 3586 return new ParceledListSlice<PackageInfo>(list); 3587 } 3588 } 3589 3590 @Override 3591 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3592 if (!sUserManager.exists(userId)) return null; 3593 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3594 3595 // writer 3596 synchronized (mPackages) { 3597 ArrayList<ApplicationInfo> list; 3598 if (listUninstalled) { 3599 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3600 for (PackageSetting ps : mSettings.mPackages.values()) { 3601 ApplicationInfo ai; 3602 if (ps.pkg != null) { 3603 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3604 ps.readUserState(userId), userId); 3605 } else { 3606 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3607 } 3608 if (ai != null) { 3609 list.add(ai); 3610 } 3611 } 3612 } else { 3613 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3614 for (PackageParser.Package p : mPackages.values()) { 3615 if (p.mExtras != null) { 3616 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3617 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3618 if (ai != null) { 3619 list.add(ai); 3620 } 3621 } 3622 } 3623 } 3624 3625 return new ParceledListSlice<ApplicationInfo>(list); 3626 } 3627 } 3628 3629 public List<ApplicationInfo> getPersistentApplications(int flags) { 3630 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3631 3632 // reader 3633 synchronized (mPackages) { 3634 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3635 final int userId = UserHandle.getCallingUserId(); 3636 while (i.hasNext()) { 3637 final PackageParser.Package p = i.next(); 3638 if (p.applicationInfo != null 3639 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3640 && (!mSafeMode || isSystemApp(p))) { 3641 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3642 if (ps != null) { 3643 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3644 ps.readUserState(userId), userId); 3645 if (ai != null) { 3646 finalList.add(ai); 3647 } 3648 } 3649 } 3650 } 3651 } 3652 3653 return finalList; 3654 } 3655 3656 @Override 3657 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3658 if (!sUserManager.exists(userId)) return null; 3659 // reader 3660 synchronized (mPackages) { 3661 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3662 PackageSetting ps = provider != null 3663 ? mSettings.mPackages.get(provider.owner.packageName) 3664 : null; 3665 return ps != null 3666 && mSettings.isEnabledLPr(provider.info, flags, userId) 3667 && (!mSafeMode || (provider.info.applicationInfo.flags 3668 &ApplicationInfo.FLAG_SYSTEM) != 0) 3669 ? PackageParser.generateProviderInfo(provider, flags, 3670 ps.readUserState(userId), userId) 3671 : null; 3672 } 3673 } 3674 3675 /** 3676 * @deprecated 3677 */ 3678 @Deprecated 3679 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3680 // reader 3681 synchronized (mPackages) { 3682 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3683 .entrySet().iterator(); 3684 final int userId = UserHandle.getCallingUserId(); 3685 while (i.hasNext()) { 3686 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3687 PackageParser.Provider p = entry.getValue(); 3688 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3689 3690 if (ps != null && p.syncable 3691 && (!mSafeMode || (p.info.applicationInfo.flags 3692 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3693 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3694 ps.readUserState(userId), userId); 3695 if (info != null) { 3696 outNames.add(entry.getKey()); 3697 outInfo.add(info); 3698 } 3699 } 3700 } 3701 } 3702 } 3703 3704 public List<ProviderInfo> queryContentProviders(String processName, 3705 int uid, int flags) { 3706 ArrayList<ProviderInfo> finalList = null; 3707 // reader 3708 synchronized (mPackages) { 3709 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3710 final int userId = processName != null ? 3711 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3712 while (i.hasNext()) { 3713 final PackageParser.Provider p = i.next(); 3714 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3715 if (ps != null && p.info.authority != null 3716 && (processName == null 3717 || (p.info.processName.equals(processName) 3718 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3719 && mSettings.isEnabledLPr(p.info, flags, userId) 3720 && (!mSafeMode 3721 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3722 if (finalList == null) { 3723 finalList = new ArrayList<ProviderInfo>(3); 3724 } 3725 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3726 ps.readUserState(userId), userId); 3727 if (info != null) { 3728 finalList.add(info); 3729 } 3730 } 3731 } 3732 } 3733 3734 if (finalList != null) { 3735 Collections.sort(finalList, mProviderInitOrderSorter); 3736 } 3737 3738 return finalList; 3739 } 3740 3741 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3742 int flags) { 3743 // reader 3744 synchronized (mPackages) { 3745 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3746 return PackageParser.generateInstrumentationInfo(i, flags); 3747 } 3748 } 3749 3750 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3751 int flags) { 3752 ArrayList<InstrumentationInfo> finalList = 3753 new ArrayList<InstrumentationInfo>(); 3754 3755 // reader 3756 synchronized (mPackages) { 3757 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3758 while (i.hasNext()) { 3759 final PackageParser.Instrumentation p = i.next(); 3760 if (targetPackage == null 3761 || targetPackage.equals(p.info.targetPackage)) { 3762 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3763 flags); 3764 if (ii != null) { 3765 finalList.add(ii); 3766 } 3767 } 3768 } 3769 } 3770 3771 return finalList; 3772 } 3773 3774 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3775 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3776 if (overlays == null) { 3777 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3778 return; 3779 } 3780 for (PackageParser.Package opkg : overlays.values()) { 3781 // Not much to do if idmap fails: we already logged the error 3782 // and we certainly don't want to abort installation of pkg simply 3783 // because an overlay didn't fit properly. For these reasons, 3784 // ignore the return value of createIdmapForPackagePairLI. 3785 createIdmapForPackagePairLI(pkg, opkg); 3786 } 3787 } 3788 3789 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3790 PackageParser.Package opkg) { 3791 if (!opkg.mTrustedOverlay) { 3792 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 3793 opkg.mScanPath + ": overlay not trusted"); 3794 return false; 3795 } 3796 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3797 if (overlaySet == null) { 3798 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 3799 opkg.mScanPath + " but target package has no known overlays"); 3800 return false; 3801 } 3802 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3803 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 3804 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 3805 return false; 3806 } 3807 PackageParser.Package[] overlayArray = 3808 overlaySet.values().toArray(new PackageParser.Package[0]); 3809 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3810 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3811 return p1.mOverlayPriority - p2.mOverlayPriority; 3812 } 3813 }; 3814 Arrays.sort(overlayArray, cmp); 3815 3816 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3817 int i = 0; 3818 for (PackageParser.Package p : overlayArray) { 3819 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 3820 } 3821 return true; 3822 } 3823 3824 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3825 String[] files = dir.list(); 3826 if (files == null) { 3827 Log.d(TAG, "No files in app dir " + dir); 3828 return; 3829 } 3830 3831 if (DEBUG_PACKAGE_SCANNING) { 3832 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3833 + " flags=0x" + Integer.toHexString(flags)); 3834 } 3835 3836 int i; 3837 for (i=0; i<files.length; i++) { 3838 File file = new File(dir, files[i]); 3839 if (!isPackageFilename(files[i])) { 3840 // Ignore entries which are not apk's 3841 continue; 3842 } 3843 PackageParser.Package pkg = scanPackageLI(file, 3844 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3845 // Don't mess around with apps in system partition. 3846 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3847 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3848 // Delete the apk 3849 Slog.w(TAG, "Cleaning up failed install of " + file); 3850 file.delete(); 3851 } 3852 } 3853 } 3854 3855 private static File getSettingsProblemFile() { 3856 File dataDir = Environment.getDataDirectory(); 3857 File systemDir = new File(dataDir, "system"); 3858 File fname = new File(systemDir, "uiderrors.txt"); 3859 return fname; 3860 } 3861 3862 static void reportSettingsProblem(int priority, String msg) { 3863 try { 3864 File fname = getSettingsProblemFile(); 3865 FileOutputStream out = new FileOutputStream(fname, true); 3866 PrintWriter pw = new FastPrintWriter(out); 3867 SimpleDateFormat formatter = new SimpleDateFormat(); 3868 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3869 pw.println(dateString + ": " + msg); 3870 pw.close(); 3871 FileUtils.setPermissions( 3872 fname.toString(), 3873 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3874 -1, -1); 3875 } catch (java.io.IOException e) { 3876 } 3877 Slog.println(priority, TAG, msg); 3878 } 3879 3880 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3881 PackageParser.Package pkg, File srcFile, int parseFlags) { 3882 if (ps != null 3883 && ps.codePath.equals(srcFile) 3884 && ps.timeStamp == srcFile.lastModified() 3885 && !isCompatSignatureUpdateNeeded(pkg)) { 3886 if (ps.signatures.mSignatures != null 3887 && ps.signatures.mSignatures.length != 0) { 3888 // Optimization: reuse the existing cached certificates 3889 // if the package appears to be unchanged. 3890 pkg.mSignatures = ps.signatures.mSignatures; 3891 return true; 3892 } 3893 3894 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3895 } else { 3896 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3897 } 3898 3899 if (!pp.collectCertificates(pkg, parseFlags)) { 3900 mLastScanError = pp.getParseError(); 3901 return false; 3902 } 3903 return true; 3904 } 3905 3906 /* 3907 * Scan a package and return the newly parsed package. 3908 * Returns null in case of errors and the error code is stored in mLastScanError 3909 */ 3910 private PackageParser.Package scanPackageLI(File scanFile, 3911 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3912 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3913 String scanPath = scanFile.getPath(); 3914 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3915 parseFlags |= mDefParseFlags; 3916 PackageParser pp = new PackageParser(scanPath); 3917 pp.setSeparateProcesses(mSeparateProcesses); 3918 pp.setOnlyCoreApps(mOnlyCore); 3919 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3920 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 3921 3922 if (pkg == null) { 3923 mLastScanError = pp.getParseError(); 3924 return null; 3925 } 3926 3927 PackageSetting ps = null; 3928 PackageSetting updatedPkg; 3929 // reader 3930 synchronized (mPackages) { 3931 // Look to see if we already know about this package. 3932 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3933 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3934 // This package has been renamed to its original name. Let's 3935 // use that. 3936 ps = mSettings.peekPackageLPr(oldName); 3937 } 3938 // If there was no original package, see one for the real package name. 3939 if (ps == null) { 3940 ps = mSettings.peekPackageLPr(pkg.packageName); 3941 } 3942 // Check to see if this package could be hiding/updating a system 3943 // package. Must look for it either under the original or real 3944 // package name depending on our state. 3945 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3946 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 3947 } 3948 boolean updatedPkgBetter = false; 3949 // First check if this is a system package that may involve an update 3950 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3951 if (ps != null && !ps.codePath.equals(scanFile)) { 3952 // The path has changed from what was last scanned... check the 3953 // version of the new path against what we have stored to determine 3954 // what to do. 3955 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 3956 if (pkg.mVersionCode < ps.versionCode) { 3957 // The system package has been updated and the code path does not match 3958 // Ignore entry. Skip it. 3959 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3960 + " ignored: updated version " + ps.versionCode 3961 + " better than this " + pkg.mVersionCode); 3962 if (!updatedPkg.codePath.equals(scanFile)) { 3963 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 3964 + ps.name + " changing from " + updatedPkg.codePathString 3965 + " to " + scanFile); 3966 updatedPkg.codePath = scanFile; 3967 updatedPkg.codePathString = scanFile.toString(); 3968 // This is the point at which we know that the system-disk APK 3969 // for this package has moved during a reboot (e.g. due to an OTA), 3970 // so we need to reevaluate it for privilege policy. 3971 if (locationIsPrivileged(scanFile)) { 3972 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 3973 } 3974 } 3975 updatedPkg.pkg = pkg; 3976 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3977 return null; 3978 } else { 3979 // The current app on the system partion is better than 3980 // what we have updated to on the data partition; switch 3981 // back to the system partition version. 3982 // At this point, its safely assumed that package installation for 3983 // apps in system partition will go through. If not there won't be a working 3984 // version of the app 3985 // writer 3986 synchronized (mPackages) { 3987 // Just remove the loaded entries from package lists. 3988 mPackages.remove(ps.name); 3989 } 3990 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3991 + "reverting from " + ps.codePathString 3992 + ": new version " + pkg.mVersionCode 3993 + " better than installed " + ps.versionCode); 3994 3995 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3996 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 3997 getAppInstructionSetFromSettings(ps)); 3998 synchronized (mInstallLock) { 3999 args.cleanUpResourcesLI(); 4000 } 4001 synchronized (mPackages) { 4002 mSettings.enableSystemPackageLPw(ps.name); 4003 } 4004 updatedPkgBetter = true; 4005 } 4006 } 4007 } 4008 4009 if (updatedPkg != null) { 4010 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4011 // initially 4012 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4013 4014 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4015 // flag set initially 4016 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4017 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4018 } 4019 } 4020 // Verify certificates against what was last scanned 4021 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4022 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4023 return null; 4024 } 4025 4026 /* 4027 * A new system app appeared, but we already had a non-system one of the 4028 * same name installed earlier. 4029 */ 4030 boolean shouldHideSystemApp = false; 4031 if (updatedPkg == null && ps != null 4032 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4033 /* 4034 * Check to make sure the signatures match first. If they don't, 4035 * wipe the installed application and its data. 4036 */ 4037 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4038 != PackageManager.SIGNATURE_MATCH) { 4039 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4040 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4041 ps = null; 4042 } else { 4043 /* 4044 * If the newly-added system app is an older version than the 4045 * already installed version, hide it. It will be scanned later 4046 * and re-added like an update. 4047 */ 4048 if (pkg.mVersionCode < ps.versionCode) { 4049 shouldHideSystemApp = true; 4050 } else { 4051 /* 4052 * The newly found system app is a newer version that the 4053 * one previously installed. Simply remove the 4054 * already-installed application and replace it with our own 4055 * while keeping the application data. 4056 */ 4057 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4058 + ps.codePathString + ": new version " + pkg.mVersionCode 4059 + " better than installed " + ps.versionCode); 4060 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4061 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4062 getAppInstructionSetFromSettings(ps)); 4063 synchronized (mInstallLock) { 4064 args.cleanUpResourcesLI(); 4065 } 4066 } 4067 } 4068 } 4069 4070 // The apk is forward locked (not public) if its code and resources 4071 // are kept in different files. (except for app in either system or 4072 // vendor path). 4073 // TODO grab this value from PackageSettings 4074 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4075 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4076 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4077 } 4078 } 4079 4080 String codePath = null; 4081 String resPath = null; 4082 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4083 if (ps != null && ps.resourcePathString != null) { 4084 resPath = ps.resourcePathString; 4085 } else { 4086 // Should not happen at all. Just log an error. 4087 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4088 } 4089 } else { 4090 resPath = pkg.mScanPath; 4091 } 4092 4093 codePath = pkg.mScanPath; 4094 // Set application objects path explicitly. 4095 setApplicationInfoPaths(pkg, codePath, resPath); 4096 // Note that we invoke the following method only if we are about to unpack an application 4097 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4098 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4099 4100 /* 4101 * If the system app should be overridden by a previously installed 4102 * data, hide the system app now and let the /data/app scan pick it up 4103 * again. 4104 */ 4105 if (shouldHideSystemApp) { 4106 synchronized (mPackages) { 4107 /* 4108 * We have to grant systems permissions before we hide, because 4109 * grantPermissions will assume the package update is trying to 4110 * expand its permissions. 4111 */ 4112 grantPermissionsLPw(pkg, true); 4113 mSettings.disableSystemPackageLPw(pkg.packageName); 4114 } 4115 } 4116 4117 return scannedPkg; 4118 } 4119 4120 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4121 String destResPath) { 4122 pkg.mPath = pkg.mScanPath = destCodePath; 4123 pkg.applicationInfo.sourceDir = destCodePath; 4124 pkg.applicationInfo.publicSourceDir = destResPath; 4125 } 4126 4127 private static String fixProcessName(String defProcessName, 4128 String processName, int uid) { 4129 if (processName == null) { 4130 return defProcessName; 4131 } 4132 return processName; 4133 } 4134 4135 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4136 if (pkgSetting.signatures.mSignatures != null) { 4137 // Already existing package. Make sure signatures match 4138 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4139 == PackageManager.SIGNATURE_MATCH; 4140 if (!match) { 4141 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4142 == PackageManager.SIGNATURE_MATCH; 4143 } 4144 if (!match) { 4145 Slog.e(TAG, "Package " + pkg.packageName 4146 + " signatures do not match the previously installed version; ignoring!"); 4147 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4148 return false; 4149 } 4150 } 4151 // Check for shared user signatures 4152 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4153 // Already existing package. Make sure signatures match 4154 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4155 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4156 if (!match) { 4157 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4158 == PackageManager.SIGNATURE_MATCH; 4159 } 4160 if (!match) { 4161 Slog.e(TAG, "Package " + pkg.packageName 4162 + " has no signatures that match those in shared user " 4163 + pkgSetting.sharedUser.name + "; ignoring!"); 4164 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4165 return false; 4166 } 4167 } 4168 return true; 4169 } 4170 4171 /** 4172 * Enforces that only the system UID or root's UID can call a method exposed 4173 * via Binder. 4174 * 4175 * @param message used as message if SecurityException is thrown 4176 * @throws SecurityException if the caller is not system or root 4177 */ 4178 private static final void enforceSystemOrRoot(String message) { 4179 final int uid = Binder.getCallingUid(); 4180 if (uid != Process.SYSTEM_UID && uid != 0) { 4181 throw new SecurityException(message); 4182 } 4183 } 4184 4185 @Override 4186 public void performBootDexOpt() { 4187 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4188 4189 final HashSet<PackageParser.Package> pkgs; 4190 synchronized (mPackages) { 4191 pkgs = mDeferredDexOpt; 4192 mDeferredDexOpt = null; 4193 } 4194 4195 if (pkgs != null) { 4196 int i = 0; 4197 for (PackageParser.Package pkg : pkgs) { 4198 if (!isFirstBoot()) { 4199 i++; 4200 try { 4201 ActivityManagerNative.getDefault().showBootMessage( 4202 mContext.getResources().getString( 4203 com.android.internal.R.string.android_upgrading_apk, 4204 i, pkgs.size()), true); 4205 } catch (RemoteException e) { 4206 } 4207 } 4208 PackageParser.Package p = pkg; 4209 synchronized (mInstallLock) { 4210 if (!p.mDidDexOpt) { 4211 performDexOptLI(p, false /* force dex */, false /* defer */, 4212 true /* include dependencies */); 4213 } 4214 } 4215 } 4216 } 4217 } 4218 4219 @Override 4220 public boolean performDexOpt(String packageName) { 4221 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4222 if (!mNoDexOpt) { 4223 return false; 4224 } 4225 4226 PackageParser.Package p; 4227 synchronized (mPackages) { 4228 p = mPackages.get(packageName); 4229 if (p == null || p.mDidDexOpt) { 4230 return false; 4231 } 4232 } 4233 synchronized (mInstallLock) { 4234 return performDexOptLI(p, false /* force dex */, false /* defer */, 4235 true /* include dependencies */) == DEX_OPT_PERFORMED; 4236 } 4237 } 4238 4239 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, boolean forceDex, 4240 boolean defer, HashSet<String> done) { 4241 for (int i=0; i<libs.size(); i++) { 4242 PackageParser.Package libPkg; 4243 String libName; 4244 synchronized (mPackages) { 4245 libName = libs.get(i); 4246 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4247 if (lib != null && lib.apk != null) { 4248 libPkg = mPackages.get(lib.apk); 4249 } else { 4250 libPkg = null; 4251 } 4252 } 4253 if (libPkg != null && !done.contains(libName)) { 4254 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4255 } 4256 } 4257 } 4258 4259 static final int DEX_OPT_SKIPPED = 0; 4260 static final int DEX_OPT_PERFORMED = 1; 4261 static final int DEX_OPT_DEFERRED = 2; 4262 static final int DEX_OPT_FAILED = -1; 4263 4264 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4265 boolean forceDex, 4266 boolean defer, HashSet<String> done) { 4267 final String instructionSet = instructionSetOverride != null ? 4268 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4269 4270 if (done != null) { 4271 done.add(pkg.packageName); 4272 if (pkg.usesLibraries != null) { 4273 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4274 } 4275 if (pkg.usesOptionalLibraries != null) { 4276 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4277 } 4278 } 4279 4280 boolean performed = false; 4281 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4282 String path = pkg.mScanPath; 4283 int ret = 0; 4284 try { 4285 if (forceDex || dalvik.system.DexFile.isDexOptNeededInternal(path, 4286 pkg.packageName, instructionSet, defer)) { 4287 if (!forceDex && defer) { 4288 if (mDeferredDexOpt == null) { 4289 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4290 } 4291 mDeferredDexOpt.add(pkg); 4292 return DEX_OPT_DEFERRED; 4293 } else { 4294 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName + 4295 " (instructionSet=" + instructionSet + ")"); 4296 4297 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4298 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4299 pkg.packageName, instructionSet); 4300 pkg.mDidDexOpt = true; 4301 performed = true; 4302 } 4303 } 4304 } catch (FileNotFoundException e) { 4305 Slog.w(TAG, "Apk not found for dexopt: " + path); 4306 ret = -1; 4307 } catch (IOException e) { 4308 Slog.w(TAG, "IOException reading apk: " + path, e); 4309 ret = -1; 4310 } catch (dalvik.system.StaleDexCacheError e) { 4311 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4312 ret = -1; 4313 } catch (Exception e) { 4314 Slog.w(TAG, "Exception when doing dexopt : ", e); 4315 ret = -1; 4316 } 4317 if (ret < 0) { 4318 //error from installer 4319 return DEX_OPT_FAILED; 4320 } 4321 } 4322 4323 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4324 } 4325 4326 private String getAppInstructionSet(ApplicationInfo info) { 4327 String instructionSet = getPreferredInstructionSet(); 4328 4329 if (info.requiredCpuAbi != null) { 4330 instructionSet = VMRuntime.getInstructionSet(info.requiredCpuAbi); 4331 } 4332 4333 return instructionSet; 4334 } 4335 4336 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4337 String instructionSet = getPreferredInstructionSet(); 4338 4339 if (ps.requiredCpuAbiString != null) { 4340 instructionSet = VMRuntime.getInstructionSet(ps.requiredCpuAbiString); 4341 } 4342 4343 return instructionSet; 4344 } 4345 4346 private static String getPreferredInstructionSet() { 4347 if (sPreferredInstructionSet == null) { 4348 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4349 } 4350 4351 return sPreferredInstructionSet; 4352 } 4353 4354 private static List<String> getAllInstructionSets() { 4355 final String[] allAbis = Build.SUPPORTED_ABIS; 4356 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4357 4358 for (String abi : allAbis) { 4359 final String instructionSet = VMRuntime.getInstructionSet(abi); 4360 if (!allInstructionSets.contains(instructionSet)) { 4361 allInstructionSets.add(instructionSet); 4362 } 4363 } 4364 4365 return allInstructionSets; 4366 } 4367 4368 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4369 boolean inclDependencies) { 4370 HashSet<String> done; 4371 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4372 done = new HashSet<String>(); 4373 done.add(pkg.packageName); 4374 } else { 4375 done = null; 4376 } 4377 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4378 } 4379 4380 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4381 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4382 Slog.w(TAG, "Unable to update from " + oldPkg.name 4383 + " to " + newPkg.packageName 4384 + ": old package not in system partition"); 4385 return false; 4386 } else if (mPackages.get(oldPkg.name) != null) { 4387 Slog.w(TAG, "Unable to update from " + oldPkg.name 4388 + " to " + newPkg.packageName 4389 + ": old package still exists"); 4390 return false; 4391 } 4392 return true; 4393 } 4394 4395 File getDataPathForUser(int userId) { 4396 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4397 } 4398 4399 private File getDataPathForPackage(String packageName, int userId) { 4400 /* 4401 * Until we fully support multiple users, return the directory we 4402 * previously would have. The PackageManagerTests will need to be 4403 * revised when this is changed back.. 4404 */ 4405 if (userId == 0) { 4406 return new File(mAppDataDir, packageName); 4407 } else { 4408 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4409 + File.separator + packageName); 4410 } 4411 } 4412 4413 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4414 int[] users = sUserManager.getUserIds(); 4415 int res = mInstaller.install(packageName, uid, uid, seinfo); 4416 if (res < 0) { 4417 return res; 4418 } 4419 for (int user : users) { 4420 if (user != 0) { 4421 res = mInstaller.createUserData(packageName, 4422 UserHandle.getUid(user, uid), user, seinfo); 4423 if (res < 0) { 4424 return res; 4425 } 4426 } 4427 } 4428 return res; 4429 } 4430 4431 private int removeDataDirsLI(String packageName) { 4432 int[] users = sUserManager.getUserIds(); 4433 int res = 0; 4434 for (int user : users) { 4435 int resInner = mInstaller.remove(packageName, user); 4436 if (resInner < 0) { 4437 res = resInner; 4438 } 4439 } 4440 4441 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4442 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4443 if (!nativeLibraryFile.delete()) { 4444 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4445 } 4446 4447 return res; 4448 } 4449 4450 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4451 PackageParser.Package changingLib) { 4452 if (file.path != null) { 4453 mTmpSharedLibraries[num] = file.path; 4454 return num+1; 4455 } 4456 PackageParser.Package p = mPackages.get(file.apk); 4457 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4458 // If we are doing this while in the middle of updating a library apk, 4459 // then we need to make sure to use that new apk for determining the 4460 // dependencies here. (We haven't yet finished committing the new apk 4461 // to the package manager state.) 4462 if (p == null || p.packageName.equals(changingLib.packageName)) { 4463 p = changingLib; 4464 } 4465 } 4466 if (p != null) { 4467 String path = p.mPath; 4468 for (int i=0; i<num; i++) { 4469 if (mTmpSharedLibraries[i].equals(path)) { 4470 return num; 4471 } 4472 } 4473 mTmpSharedLibraries[num] = p.mPath; 4474 return num+1; 4475 } 4476 return num; 4477 } 4478 4479 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4480 PackageParser.Package changingLib) { 4481 // We might be upgrading from a version of the platform that did not 4482 // provide per-package native library directories for system apps. 4483 // Fix that up here. 4484 if (isSystemApp(pkg)) { 4485 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4486 setInternalAppNativeLibraryPath(pkg, ps); 4487 } 4488 4489 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4490 if (mTmpSharedLibraries == null || 4491 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4492 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4493 } 4494 int num = 0; 4495 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4496 for (int i=0; i<N; i++) { 4497 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4498 if (file == null) { 4499 Slog.e(TAG, "Package " + pkg.packageName 4500 + " requires unavailable shared library " 4501 + pkg.usesLibraries.get(i) + "; failing!"); 4502 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4503 return false; 4504 } 4505 num = addSharedLibraryLPw(file, num, changingLib); 4506 } 4507 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4508 for (int i=0; i<N; i++) { 4509 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4510 if (file == null) { 4511 Slog.w(TAG, "Package " + pkg.packageName 4512 + " desires unavailable shared library " 4513 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4514 } else { 4515 num = addSharedLibraryLPw(file, num, changingLib); 4516 } 4517 } 4518 if (num > 0) { 4519 pkg.usesLibraryFiles = new String[num]; 4520 System.arraycopy(mTmpSharedLibraries, 0, 4521 pkg.usesLibraryFiles, 0, num); 4522 } else { 4523 pkg.usesLibraryFiles = null; 4524 } 4525 } 4526 return true; 4527 } 4528 4529 private static boolean hasString(List<String> list, List<String> which) { 4530 if (list == null) { 4531 return false; 4532 } 4533 for (int i=list.size()-1; i>=0; i--) { 4534 for (int j=which.size()-1; j>=0; j--) { 4535 if (which.get(j).equals(list.get(i))) { 4536 return true; 4537 } 4538 } 4539 } 4540 return false; 4541 } 4542 4543 private void updateAllSharedLibrariesLPw() { 4544 for (PackageParser.Package pkg : mPackages.values()) { 4545 updateSharedLibrariesLPw(pkg, null); 4546 } 4547 } 4548 4549 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4550 PackageParser.Package changingPkg) { 4551 ArrayList<PackageParser.Package> res = null; 4552 for (PackageParser.Package pkg : mPackages.values()) { 4553 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4554 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4555 if (res == null) { 4556 res = new ArrayList<PackageParser.Package>(); 4557 } 4558 res.add(pkg); 4559 updateSharedLibrariesLPw(pkg, changingPkg); 4560 } 4561 } 4562 return res; 4563 } 4564 4565 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4566 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4567 File scanFile = new File(pkg.mScanPath); 4568 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4569 pkg.applicationInfo.publicSourceDir == null) { 4570 // Bail out. The resource and code paths haven't been set. 4571 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4572 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4573 return null; 4574 } 4575 4576 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4577 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4578 } 4579 4580 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4581 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4582 } 4583 4584 if (mCustomResolverComponentName != null && 4585 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4586 setUpCustomResolverActivity(pkg); 4587 } 4588 4589 if (pkg.packageName.equals("android")) { 4590 synchronized (mPackages) { 4591 if (mAndroidApplication != null) { 4592 Slog.w(TAG, "*************************************************"); 4593 Slog.w(TAG, "Core android package being redefined. Skipping."); 4594 Slog.w(TAG, " file=" + scanFile); 4595 Slog.w(TAG, "*************************************************"); 4596 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4597 return null; 4598 } 4599 4600 // Set up information for our fall-back user intent resolution activity. 4601 mPlatformPackage = pkg; 4602 pkg.mVersionCode = mSdkVersion; 4603 mAndroidApplication = pkg.applicationInfo; 4604 4605 if (!mResolverReplaced) { 4606 mResolveActivity.applicationInfo = mAndroidApplication; 4607 mResolveActivity.name = ResolverActivity.class.getName(); 4608 mResolveActivity.packageName = mAndroidApplication.packageName; 4609 mResolveActivity.processName = "system:ui"; 4610 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4611 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4612 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4613 mResolveActivity.exported = true; 4614 mResolveActivity.enabled = true; 4615 mResolveInfo.activityInfo = mResolveActivity; 4616 mResolveInfo.priority = 0; 4617 mResolveInfo.preferredOrder = 0; 4618 mResolveInfo.match = 0; 4619 mResolveComponentName = new ComponentName( 4620 mAndroidApplication.packageName, mResolveActivity.name); 4621 } 4622 } 4623 } 4624 4625 if (DEBUG_PACKAGE_SCANNING) { 4626 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4627 Log.d(TAG, "Scanning package " + pkg.packageName); 4628 } 4629 4630 if (mPackages.containsKey(pkg.packageName) 4631 || mSharedLibraries.containsKey(pkg.packageName)) { 4632 Slog.w(TAG, "Application package " + pkg.packageName 4633 + " already installed. Skipping duplicate."); 4634 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4635 return null; 4636 } 4637 4638 // Initialize package source and resource directories 4639 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4640 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4641 4642 SharedUserSetting suid = null; 4643 PackageSetting pkgSetting = null; 4644 4645 if (!isSystemApp(pkg)) { 4646 // Only system apps can use these features. 4647 pkg.mOriginalPackages = null; 4648 pkg.mRealPackage = null; 4649 pkg.mAdoptPermissions = null; 4650 } 4651 4652 // writer 4653 synchronized (mPackages) { 4654 if (pkg.mSharedUserId != null) { 4655 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4656 if (suid == null) { 4657 Slog.w(TAG, "Creating application package " + pkg.packageName 4658 + " for shared user failed"); 4659 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4660 return null; 4661 } 4662 if (DEBUG_PACKAGE_SCANNING) { 4663 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4664 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4665 + "): packages=" + suid.packages); 4666 } 4667 } 4668 4669 // Check if we are renaming from an original package name. 4670 PackageSetting origPackage = null; 4671 String realName = null; 4672 if (pkg.mOriginalPackages != null) { 4673 // This package may need to be renamed to a previously 4674 // installed name. Let's check on that... 4675 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4676 if (pkg.mOriginalPackages.contains(renamed)) { 4677 // This package had originally been installed as the 4678 // original name, and we have already taken care of 4679 // transitioning to the new one. Just update the new 4680 // one to continue using the old name. 4681 realName = pkg.mRealPackage; 4682 if (!pkg.packageName.equals(renamed)) { 4683 // Callers into this function may have already taken 4684 // care of renaming the package; only do it here if 4685 // it is not already done. 4686 pkg.setPackageName(renamed); 4687 } 4688 4689 } else { 4690 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4691 if ((origPackage = mSettings.peekPackageLPr( 4692 pkg.mOriginalPackages.get(i))) != null) { 4693 // We do have the package already installed under its 4694 // original name... should we use it? 4695 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4696 // New package is not compatible with original. 4697 origPackage = null; 4698 continue; 4699 } else if (origPackage.sharedUser != null) { 4700 // Make sure uid is compatible between packages. 4701 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4702 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4703 + " to " + pkg.packageName + ": old uid " 4704 + origPackage.sharedUser.name 4705 + " differs from " + pkg.mSharedUserId); 4706 origPackage = null; 4707 continue; 4708 } 4709 } else { 4710 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4711 + pkg.packageName + " to old name " + origPackage.name); 4712 } 4713 break; 4714 } 4715 } 4716 } 4717 } 4718 4719 if (mTransferedPackages.contains(pkg.packageName)) { 4720 Slog.w(TAG, "Package " + pkg.packageName 4721 + " was transferred to another, but its .apk remains"); 4722 } 4723 4724 // Just create the setting, don't add it yet. For already existing packages 4725 // the PkgSetting exists already and doesn't have to be created. 4726 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4727 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4728 pkg.applicationInfo.requiredCpuAbi, 4729 pkg.applicationInfo.flags, user, false); 4730 if (pkgSetting == null) { 4731 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4732 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4733 return null; 4734 } 4735 4736 if (pkgSetting.origPackage != null) { 4737 // If we are first transitioning from an original package, 4738 // fix up the new package's name now. We need to do this after 4739 // looking up the package under its new name, so getPackageLP 4740 // can take care of fiddling things correctly. 4741 pkg.setPackageName(origPackage.name); 4742 4743 // File a report about this. 4744 String msg = "New package " + pkgSetting.realName 4745 + " renamed to replace old package " + pkgSetting.name; 4746 reportSettingsProblem(Log.WARN, msg); 4747 4748 // Make a note of it. 4749 mTransferedPackages.add(origPackage.name); 4750 4751 // No longer need to retain this. 4752 pkgSetting.origPackage = null; 4753 } 4754 4755 if (realName != null) { 4756 // Make a note of it. 4757 mTransferedPackages.add(pkg.packageName); 4758 } 4759 4760 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4761 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4762 } 4763 4764 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4765 // Check all shared libraries and map to their actual file path. 4766 // We only do this here for apps not on a system dir, because those 4767 // are the only ones that can fail an install due to this. We 4768 // will take care of the system apps by updating all of their 4769 // library paths after the scan is done. 4770 if (!updateSharedLibrariesLPw(pkg, null)) { 4771 return null; 4772 } 4773 } 4774 4775 if (mFoundPolicyFile) { 4776 SELinuxMMAC.assignSeinfoValue(pkg); 4777 } 4778 4779 pkg.applicationInfo.uid = pkgSetting.appId; 4780 pkg.mExtras = pkgSetting; 4781 4782 if (!verifySignaturesLP(pkgSetting, pkg)) { 4783 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4784 return null; 4785 } 4786 // The signature has changed, but this package is in the system 4787 // image... let's recover! 4788 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4789 // However... if this package is part of a shared user, but it 4790 // doesn't match the signature of the shared user, let's fail. 4791 // What this means is that you can't change the signatures 4792 // associated with an overall shared user, which doesn't seem all 4793 // that unreasonable. 4794 if (pkgSetting.sharedUser != null) { 4795 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4796 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4797 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4798 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4799 return null; 4800 } 4801 } 4802 // File a report about this. 4803 String msg = "System package " + pkg.packageName 4804 + " signature changed; retaining data."; 4805 reportSettingsProblem(Log.WARN, msg); 4806 } 4807 4808 // Verify that this new package doesn't have any content providers 4809 // that conflict with existing packages. Only do this if the 4810 // package isn't already installed, since we don't want to break 4811 // things that are installed. 4812 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4813 final int N = pkg.providers.size(); 4814 int i; 4815 for (i=0; i<N; i++) { 4816 PackageParser.Provider p = pkg.providers.get(i); 4817 if (p.info.authority != null) { 4818 String names[] = p.info.authority.split(";"); 4819 for (int j = 0; j < names.length; j++) { 4820 if (mProvidersByAuthority.containsKey(names[j])) { 4821 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4822 Slog.w(TAG, "Can't install because provider name " + names[j] + 4823 " (in package " + pkg.applicationInfo.packageName + 4824 ") is already used by " 4825 + ((other != null && other.getComponentName() != null) 4826 ? other.getComponentName().getPackageName() : "?")); 4827 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4828 return null; 4829 } 4830 } 4831 } 4832 } 4833 } 4834 4835 if (pkg.mAdoptPermissions != null) { 4836 // This package wants to adopt ownership of permissions from 4837 // another package. 4838 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4839 final String origName = pkg.mAdoptPermissions.get(i); 4840 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4841 if (orig != null) { 4842 if (verifyPackageUpdateLPr(orig, pkg)) { 4843 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4844 + pkg.packageName); 4845 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4846 } 4847 } 4848 } 4849 } 4850 } 4851 4852 final String pkgName = pkg.packageName; 4853 4854 final long scanFileTime = scanFile.lastModified(); 4855 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4856 pkg.applicationInfo.processName = fixProcessName( 4857 pkg.applicationInfo.packageName, 4858 pkg.applicationInfo.processName, 4859 pkg.applicationInfo.uid); 4860 4861 File dataPath; 4862 if (mPlatformPackage == pkg) { 4863 // The system package is special. 4864 dataPath = new File (Environment.getDataDirectory(), "system"); 4865 pkg.applicationInfo.dataDir = dataPath.getPath(); 4866 } else { 4867 // This is a normal package, need to make its data directory. 4868 dataPath = getDataPathForPackage(pkg.packageName, 0); 4869 4870 boolean uidError = false; 4871 4872 if (dataPath.exists()) { 4873 int currentUid = 0; 4874 try { 4875 StructStat stat = Os.stat(dataPath.getPath()); 4876 currentUid = stat.st_uid; 4877 } catch (ErrnoException e) { 4878 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4879 } 4880 4881 // If we have mismatched owners for the data path, we have a problem. 4882 if (currentUid != pkg.applicationInfo.uid) { 4883 boolean recovered = false; 4884 if (currentUid == 0) { 4885 // The directory somehow became owned by root. Wow. 4886 // This is probably because the system was stopped while 4887 // installd was in the middle of messing with its libs 4888 // directory. Ask installd to fix that. 4889 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4890 pkg.applicationInfo.uid); 4891 if (ret >= 0) { 4892 recovered = true; 4893 String msg = "Package " + pkg.packageName 4894 + " unexpectedly changed to uid 0; recovered to " + 4895 + pkg.applicationInfo.uid; 4896 reportSettingsProblem(Log.WARN, msg); 4897 } 4898 } 4899 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4900 || (scanMode&SCAN_BOOTING) != 0)) { 4901 // If this is a system app, we can at least delete its 4902 // current data so the application will still work. 4903 int ret = removeDataDirsLI(pkgName); 4904 if (ret >= 0) { 4905 // TODO: Kill the processes first 4906 // Old data gone! 4907 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4908 ? "System package " : "Third party package "; 4909 String msg = prefix + pkg.packageName 4910 + " has changed from uid: " 4911 + currentUid + " to " 4912 + pkg.applicationInfo.uid + "; old data erased"; 4913 reportSettingsProblem(Log.WARN, msg); 4914 recovered = true; 4915 4916 // And now re-install the app. 4917 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4918 pkg.applicationInfo.seinfo); 4919 if (ret == -1) { 4920 // Ack should not happen! 4921 msg = prefix + pkg.packageName 4922 + " could not have data directory re-created after delete."; 4923 reportSettingsProblem(Log.WARN, msg); 4924 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4925 return null; 4926 } 4927 } 4928 if (!recovered) { 4929 mHasSystemUidErrors = true; 4930 } 4931 } else if (!recovered) { 4932 // If we allow this install to proceed, we will be broken. 4933 // Abort, abort! 4934 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4935 return null; 4936 } 4937 if (!recovered) { 4938 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4939 + pkg.applicationInfo.uid + "/fs_" 4940 + currentUid; 4941 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4942 String msg = "Package " + pkg.packageName 4943 + " has mismatched uid: " 4944 + currentUid + " on disk, " 4945 + pkg.applicationInfo.uid + " in settings"; 4946 // writer 4947 synchronized (mPackages) { 4948 mSettings.mReadMessages.append(msg); 4949 mSettings.mReadMessages.append('\n'); 4950 uidError = true; 4951 if (!pkgSetting.uidError) { 4952 reportSettingsProblem(Log.ERROR, msg); 4953 } 4954 } 4955 } 4956 } 4957 pkg.applicationInfo.dataDir = dataPath.getPath(); 4958 if (mShouldRestoreconData) { 4959 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 4960 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 4961 pkg.applicationInfo.uid); 4962 } 4963 } else { 4964 if (DEBUG_PACKAGE_SCANNING) { 4965 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4966 Log.v(TAG, "Want this data dir: " + dataPath); 4967 } 4968 //invoke installer to do the actual installation 4969 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4970 pkg.applicationInfo.seinfo); 4971 if (ret < 0) { 4972 // Error from installer 4973 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4974 return null; 4975 } 4976 4977 if (dataPath.exists()) { 4978 pkg.applicationInfo.dataDir = dataPath.getPath(); 4979 } else { 4980 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4981 pkg.applicationInfo.dataDir = null; 4982 } 4983 } 4984 4985 /* 4986 * Set the data dir to the default "/data/data/<package name>/lib" 4987 * if we got here without anyone telling us different (e.g., apps 4988 * stored on SD card have their native libraries stored in the ASEC 4989 * container with the APK). 4990 * 4991 * This happens during an upgrade from a package settings file that 4992 * doesn't have a native library path attribute at all. 4993 */ 4994 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4995 if (pkgSetting.nativeLibraryPathString == null) { 4996 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4997 } else { 4998 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4999 } 5000 } 5001 pkgSetting.uidError = uidError; 5002 } 5003 5004 String path = scanFile.getPath(); 5005 /* Note: We don't want to unpack the native binaries for 5006 * system applications, unless they have been updated 5007 * (the binaries are already under /system/lib). 5008 * Also, don't unpack libs for apps on the external card 5009 * since they should have their libraries in the ASEC 5010 * container already. 5011 * 5012 * In other words, we're going to unpack the binaries 5013 * only for non-system apps and system app upgrades. 5014 */ 5015 if (pkg.applicationInfo.nativeLibraryDir != null) { 5016 try { 5017 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5018 final String dataPathString = dataPath.getCanonicalPath(); 5019 5020 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5021 /* 5022 * Upgrading from a previous version of the OS sometimes 5023 * leaves native libraries in the /data/data/<app>/lib 5024 * directory for system apps even when they shouldn't be. 5025 * Recent changes in the JNI library search path 5026 * necessitates we remove those to match previous behavior. 5027 */ 5028 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5029 Log.i(TAG, "removed obsolete native libraries for system package " 5030 + path); 5031 } 5032 5033 setInternalAppAbi(pkg, pkgSetting); 5034 } else { 5035 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5036 /* 5037 * Update native library dir if it starts with 5038 * /data/data 5039 */ 5040 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5041 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5042 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5043 } 5044 5045 try { 5046 int copyRet = copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir); 5047 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5048 Slog.e(TAG, "Unable to copy native libraries"); 5049 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5050 return null; 5051 } 5052 5053 // We've successfully copied native libraries across, so we make a 5054 // note of what ABI we're using 5055 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5056 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[copyRet]; 5057 } else { 5058 pkg.applicationInfo.requiredCpuAbi = null; 5059 } 5060 } catch (IOException e) { 5061 Slog.e(TAG, "Unable to copy native libraries", e); 5062 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5063 return null; 5064 } 5065 } else { 5066 // We don't have to copy the shared libraries if we're in the ASEC container 5067 // but we still need to scan the file to figure out what ABI the app needs. 5068 // 5069 // TODO: This duplicates work done in the default container service. It's possible 5070 // to clean this up but we'll need to change the interface between this service 5071 // and IMediaContainerService (but doing so will spread this logic out, rather 5072 // than centralizing it). 5073 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5074 final int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5075 if (abi >= 0) { 5076 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[abi]; 5077 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5078 // Note that (non upgraded) system apps will not have any native 5079 // libraries bundled in their APK, but we're guaranteed not to be 5080 // such an app at this point. 5081 pkg.applicationInfo.requiredCpuAbi = null; 5082 } else { 5083 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5084 return null; 5085 } 5086 handle.close(); 5087 } 5088 5089 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5090 final int[] userIds = sUserManager.getUserIds(); 5091 synchronized (mInstallLock) { 5092 for (int userId : userIds) { 5093 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5094 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5095 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5096 + ")"); 5097 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5098 return null; 5099 } 5100 } 5101 } 5102 } 5103 } catch (IOException ioe) { 5104 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5105 } 5106 } 5107 pkg.mScanPath = path; 5108 5109 if ((scanMode&SCAN_NO_DEX) == 0) { 5110 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5111 == DEX_OPT_FAILED) { 5112 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5113 removeDataDirsLI(pkg.packageName); 5114 } 5115 5116 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5117 return null; 5118 } 5119 } 5120 5121 if (mFactoryTest && pkg.requestedPermissions.contains( 5122 android.Manifest.permission.FACTORY_TEST)) { 5123 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5124 } 5125 5126 ArrayList<PackageParser.Package> clientLibPkgs = null; 5127 5128 // writer 5129 synchronized (mPackages) { 5130 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5131 // Only system apps can add new shared libraries. 5132 if (pkg.libraryNames != null) { 5133 for (int i=0; i<pkg.libraryNames.size(); i++) { 5134 String name = pkg.libraryNames.get(i); 5135 boolean allowed = false; 5136 if (isUpdatedSystemApp(pkg)) { 5137 // New library entries can only be added through the 5138 // system image. This is important to get rid of a lot 5139 // of nasty edge cases: for example if we allowed a non- 5140 // system update of the app to add a library, then uninstalling 5141 // the update would make the library go away, and assumptions 5142 // we made such as through app install filtering would now 5143 // have allowed apps on the device which aren't compatible 5144 // with it. Better to just have the restriction here, be 5145 // conservative, and create many fewer cases that can negatively 5146 // impact the user experience. 5147 final PackageSetting sysPs = mSettings 5148 .getDisabledSystemPkgLPr(pkg.packageName); 5149 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5150 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5151 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5152 allowed = true; 5153 allowed = true; 5154 break; 5155 } 5156 } 5157 } 5158 } else { 5159 allowed = true; 5160 } 5161 if (allowed) { 5162 if (!mSharedLibraries.containsKey(name)) { 5163 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5164 } else if (!name.equals(pkg.packageName)) { 5165 Slog.w(TAG, "Package " + pkg.packageName + " library " 5166 + name + " already exists; skipping"); 5167 } 5168 } else { 5169 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5170 + name + " that is not declared on system image; skipping"); 5171 } 5172 } 5173 if ((scanMode&SCAN_BOOTING) == 0) { 5174 // If we are not booting, we need to update any applications 5175 // that are clients of our shared library. If we are booting, 5176 // this will all be done once the scan is complete. 5177 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5178 } 5179 } 5180 } 5181 } 5182 5183 // We also need to dexopt any apps that are dependent on this library. Note that 5184 // if these fail, we should abort the install since installing the library will 5185 // result in some apps being broken. 5186 if (clientLibPkgs != null) { 5187 if ((scanMode&SCAN_NO_DEX) == 0) { 5188 for (int i=0; i<clientLibPkgs.size(); i++) { 5189 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5190 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5191 == DEX_OPT_FAILED) { 5192 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5193 removeDataDirsLI(pkg.packageName); 5194 } 5195 5196 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5197 return null; 5198 } 5199 } 5200 } 5201 } 5202 5203 // Request the ActivityManager to kill the process(only for existing packages) 5204 // so that we do not end up in a confused state while the user is still using the older 5205 // version of the application while the new one gets installed. 5206 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5207 // If the package lives in an asec, tell everyone that the container is going 5208 // away so they can clean up any references to its resources (which would prevent 5209 // vold from being able to unmount the asec) 5210 if (isForwardLocked(pkg) || isExternal(pkg)) { 5211 if (DEBUG_INSTALL) { 5212 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5213 } 5214 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5215 final ArrayList<String> pkgList = new ArrayList<String>(1); 5216 pkgList.add(pkg.applicationInfo.packageName); 5217 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5218 } 5219 5220 // Post the request that it be killed now that the going-away broadcast is en route 5221 killApplication(pkg.applicationInfo.packageName, 5222 pkg.applicationInfo.uid, "update pkg"); 5223 } 5224 5225 // Also need to kill any apps that are dependent on the library. 5226 if (clientLibPkgs != null) { 5227 for (int i=0; i<clientLibPkgs.size(); i++) { 5228 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5229 killApplication(clientPkg.applicationInfo.packageName, 5230 clientPkg.applicationInfo.uid, "update lib"); 5231 } 5232 } 5233 5234 // writer 5235 synchronized (mPackages) { 5236 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5237 // We don't do this here during boot because we can do it all 5238 // at once after scanning all existing packages. 5239 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5240 true, forceDex, (scanMode & SCAN_DEFER_DEX) != 0); 5241 } 5242 // We don't expect installation to fail beyond this point, 5243 if ((scanMode&SCAN_MONITOR) != 0) { 5244 mAppDirs.put(pkg.mPath, pkg); 5245 } 5246 // Add the new setting to mSettings 5247 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5248 // Add the new setting to mPackages 5249 mPackages.put(pkg.applicationInfo.packageName, pkg); 5250 // Make sure we don't accidentally delete its data. 5251 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5252 while (iter.hasNext()) { 5253 PackageCleanItem item = iter.next(); 5254 if (pkgName.equals(item.packageName)) { 5255 iter.remove(); 5256 } 5257 } 5258 5259 // Take care of first install / last update times. 5260 if (currentTime != 0) { 5261 if (pkgSetting.firstInstallTime == 0) { 5262 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5263 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5264 pkgSetting.lastUpdateTime = currentTime; 5265 } 5266 } else if (pkgSetting.firstInstallTime == 0) { 5267 // We need *something*. Take time time stamp of the file. 5268 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5269 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5270 if (scanFileTime != pkgSetting.timeStamp) { 5271 // A package on the system image has changed; consider this 5272 // to be an update. 5273 pkgSetting.lastUpdateTime = scanFileTime; 5274 } 5275 } 5276 5277 // Add the package's KeySets to the global KeySetManager 5278 KeySetManager ksm = mSettings.mKeySetManager; 5279 try { 5280 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5281 if (pkg.mKeySetMapping != null) { 5282 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5283 if (entry.getValue() != null) { 5284 ksm.addDefinedKeySetToPackage(pkg.packageName, 5285 entry.getValue(), entry.getKey()); 5286 } 5287 } 5288 } 5289 } catch (NullPointerException e) { 5290 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5291 } catch (IllegalArgumentException e) { 5292 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5293 } 5294 5295 int N = pkg.providers.size(); 5296 StringBuilder r = null; 5297 int i; 5298 for (i=0; i<N; i++) { 5299 PackageParser.Provider p = pkg.providers.get(i); 5300 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5301 p.info.processName, pkg.applicationInfo.uid); 5302 mProviders.addProvider(p); 5303 p.syncable = p.info.isSyncable; 5304 if (p.info.authority != null) { 5305 String names[] = p.info.authority.split(";"); 5306 p.info.authority = null; 5307 for (int j = 0; j < names.length; j++) { 5308 if (j == 1 && p.syncable) { 5309 // We only want the first authority for a provider to possibly be 5310 // syncable, so if we already added this provider using a different 5311 // authority clear the syncable flag. We copy the provider before 5312 // changing it because the mProviders object contains a reference 5313 // to a provider that we don't want to change. 5314 // Only do this for the second authority since the resulting provider 5315 // object can be the same for all future authorities for this provider. 5316 p = new PackageParser.Provider(p); 5317 p.syncable = false; 5318 } 5319 if (!mProvidersByAuthority.containsKey(names[j])) { 5320 mProvidersByAuthority.put(names[j], p); 5321 if (p.info.authority == null) { 5322 p.info.authority = names[j]; 5323 } else { 5324 p.info.authority = p.info.authority + ";" + names[j]; 5325 } 5326 if (DEBUG_PACKAGE_SCANNING) { 5327 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5328 Log.d(TAG, "Registered content provider: " + names[j] 5329 + ", className = " + p.info.name + ", isSyncable = " 5330 + p.info.isSyncable); 5331 } 5332 } else { 5333 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5334 Slog.w(TAG, "Skipping provider name " + names[j] + 5335 " (in package " + pkg.applicationInfo.packageName + 5336 "): name already used by " 5337 + ((other != null && other.getComponentName() != null) 5338 ? other.getComponentName().getPackageName() : "?")); 5339 } 5340 } 5341 } 5342 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5343 if (r == null) { 5344 r = new StringBuilder(256); 5345 } else { 5346 r.append(' '); 5347 } 5348 r.append(p.info.name); 5349 } 5350 } 5351 if (r != null) { 5352 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5353 } 5354 5355 N = pkg.services.size(); 5356 r = null; 5357 for (i=0; i<N; i++) { 5358 PackageParser.Service s = pkg.services.get(i); 5359 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5360 s.info.processName, pkg.applicationInfo.uid); 5361 mServices.addService(s); 5362 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5363 if (r == null) { 5364 r = new StringBuilder(256); 5365 } else { 5366 r.append(' '); 5367 } 5368 r.append(s.info.name); 5369 } 5370 } 5371 if (r != null) { 5372 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5373 } 5374 5375 N = pkg.receivers.size(); 5376 r = null; 5377 for (i=0; i<N; i++) { 5378 PackageParser.Activity a = pkg.receivers.get(i); 5379 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5380 a.info.processName, pkg.applicationInfo.uid); 5381 mReceivers.addActivity(a, "receiver"); 5382 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5383 if (r == null) { 5384 r = new StringBuilder(256); 5385 } else { 5386 r.append(' '); 5387 } 5388 r.append(a.info.name); 5389 } 5390 } 5391 if (r != null) { 5392 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5393 } 5394 5395 N = pkg.activities.size(); 5396 r = null; 5397 for (i=0; i<N; i++) { 5398 PackageParser.Activity a = pkg.activities.get(i); 5399 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5400 a.info.processName, pkg.applicationInfo.uid); 5401 mActivities.addActivity(a, "activity"); 5402 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5403 if (r == null) { 5404 r = new StringBuilder(256); 5405 } else { 5406 r.append(' '); 5407 } 5408 r.append(a.info.name); 5409 } 5410 } 5411 if (r != null) { 5412 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5413 } 5414 5415 N = pkg.permissionGroups.size(); 5416 r = null; 5417 for (i=0; i<N; i++) { 5418 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5419 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5420 if (cur == null) { 5421 mPermissionGroups.put(pg.info.name, pg); 5422 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5423 if (r == null) { 5424 r = new StringBuilder(256); 5425 } else { 5426 r.append(' '); 5427 } 5428 r.append(pg.info.name); 5429 } 5430 } else { 5431 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5432 + pg.info.packageName + " ignored: original from " 5433 + cur.info.packageName); 5434 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5435 if (r == null) { 5436 r = new StringBuilder(256); 5437 } else { 5438 r.append(' '); 5439 } 5440 r.append("DUP:"); 5441 r.append(pg.info.name); 5442 } 5443 } 5444 } 5445 if (r != null) { 5446 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5447 } 5448 5449 N = pkg.permissions.size(); 5450 r = null; 5451 for (i=0; i<N; i++) { 5452 PackageParser.Permission p = pkg.permissions.get(i); 5453 HashMap<String, BasePermission> permissionMap = 5454 p.tree ? mSettings.mPermissionTrees 5455 : mSettings.mPermissions; 5456 p.group = mPermissionGroups.get(p.info.group); 5457 if (p.info.group == null || p.group != null) { 5458 BasePermission bp = permissionMap.get(p.info.name); 5459 if (bp == null) { 5460 bp = new BasePermission(p.info.name, p.info.packageName, 5461 BasePermission.TYPE_NORMAL); 5462 permissionMap.put(p.info.name, bp); 5463 } 5464 if (bp.perm == null) { 5465 if (bp.sourcePackage != null 5466 && !bp.sourcePackage.equals(p.info.packageName)) { 5467 // If this is a permission that was formerly defined by a non-system 5468 // app, but is now defined by a system app (following an upgrade), 5469 // discard the previous declaration and consider the system's to be 5470 // canonical. 5471 if (isSystemApp(p.owner)) { 5472 String msg = "New decl " + p.owner + " of permission " 5473 + p.info.name + " is system"; 5474 reportSettingsProblem(Log.WARN, msg); 5475 bp.sourcePackage = null; 5476 } 5477 } 5478 if (bp.sourcePackage == null 5479 || bp.sourcePackage.equals(p.info.packageName)) { 5480 BasePermission tree = findPermissionTreeLP(p.info.name); 5481 if (tree == null 5482 || tree.sourcePackage.equals(p.info.packageName)) { 5483 bp.packageSetting = pkgSetting; 5484 bp.perm = p; 5485 bp.uid = pkg.applicationInfo.uid; 5486 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5487 if (r == null) { 5488 r = new StringBuilder(256); 5489 } else { 5490 r.append(' '); 5491 } 5492 r.append(p.info.name); 5493 } 5494 } else { 5495 Slog.w(TAG, "Permission " + p.info.name + " from package " 5496 + p.info.packageName + " ignored: base tree " 5497 + tree.name + " is from package " 5498 + tree.sourcePackage); 5499 } 5500 } else { 5501 Slog.w(TAG, "Permission " + p.info.name + " from package " 5502 + p.info.packageName + " ignored: original from " 5503 + bp.sourcePackage); 5504 } 5505 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5506 if (r == null) { 5507 r = new StringBuilder(256); 5508 } else { 5509 r.append(' '); 5510 } 5511 r.append("DUP:"); 5512 r.append(p.info.name); 5513 } 5514 if (bp.perm == p) { 5515 bp.protectionLevel = p.info.protectionLevel; 5516 } 5517 } else { 5518 Slog.w(TAG, "Permission " + p.info.name + " from package " 5519 + p.info.packageName + " ignored: no group " 5520 + p.group); 5521 } 5522 } 5523 if (r != null) { 5524 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5525 } 5526 5527 N = pkg.instrumentation.size(); 5528 r = null; 5529 for (i=0; i<N; i++) { 5530 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5531 a.info.packageName = pkg.applicationInfo.packageName; 5532 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5533 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5534 a.info.dataDir = pkg.applicationInfo.dataDir; 5535 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5536 mInstrumentation.put(a.getComponentName(), a); 5537 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5538 if (r == null) { 5539 r = new StringBuilder(256); 5540 } else { 5541 r.append(' '); 5542 } 5543 r.append(a.info.name); 5544 } 5545 } 5546 if (r != null) { 5547 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5548 } 5549 5550 if (pkg.protectedBroadcasts != null) { 5551 N = pkg.protectedBroadcasts.size(); 5552 for (i=0; i<N; i++) { 5553 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5554 } 5555 } 5556 5557 pkgSetting.setTimeStamp(scanFileTime); 5558 5559 // Create idmap files for pairs of (packages, overlay packages). 5560 // Note: "android", ie framework-res.apk, is handled by native layers. 5561 if (pkg.mOverlayTarget != null) { 5562 // This is an overlay package. 5563 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5564 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5565 mOverlays.put(pkg.mOverlayTarget, 5566 new HashMap<String, PackageParser.Package>()); 5567 } 5568 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5569 map.put(pkg.packageName, pkg); 5570 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5571 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5572 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5573 return null; 5574 } 5575 } 5576 } else if (mOverlays.containsKey(pkg.packageName) && 5577 !pkg.packageName.equals("android")) { 5578 // This is a regular package, with one or more known overlay packages. 5579 createIdmapsForPackageLI(pkg); 5580 } 5581 } 5582 5583 return pkg; 5584 } 5585 5586 public void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5587 boolean doDexOpt, boolean forceDexOpt, boolean deferDexOpt) { 5588 String requiredInstructionSet = null; 5589 PackageSetting requirer = null; 5590 for (PackageSetting ps : packagesForUser) { 5591 if (ps.requiredCpuAbiString != null) { 5592 final String instructionSet = VMRuntime.getInstructionSet(ps.requiredCpuAbiString); 5593 if (requiredInstructionSet != null) { 5594 if (!instructionSet.equals(requiredInstructionSet)) { 5595 // We have a mismatch between instruction sets (say arm vs arm64). 5596 // 5597 // TODO: We should rescan all the packages in a shared UID to check if 5598 // they do contain shared libs for other ABIs in addition to the ones we've 5599 // already extracted. For example, the package might contain both arm64-v8a 5600 // and armeabi-v7a shared libs, and we'd have chosen arm64-v8a on 64 bit 5601 // devices. 5602 String errorMessage = "Instruction set mismatch, " + requirer.pkg.packageName 5603 + " requires " + requiredInstructionSet + " whereas " + ps.pkg.packageName 5604 + " requires " + instructionSet; 5605 Slog.e(TAG, errorMessage); 5606 5607 reportSettingsProblem(Log.WARN, errorMessage); 5608 // Give up, don't bother making any other changes to the package settings. 5609 return; 5610 } 5611 } else { 5612 requiredInstructionSet = instructionSet; 5613 requirer = ps; 5614 } 5615 } 5616 } 5617 5618 if (requiredInstructionSet != null) { 5619 for (PackageSetting ps : packagesForUser) { 5620 if (ps.requiredCpuAbiString == null) { 5621 ps.requiredCpuAbiString = requirer.requiredCpuAbiString; 5622 ps.pkg.applicationInfo.requiredCpuAbi = requirer.requiredCpuAbiString; 5623 5624 Slog.i(TAG, "Adjusting ABI for : " + ps.pkg.packageName + " to " + ps.requiredCpuAbiString); 5625 if (doDexOpt) { 5626 performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true); 5627 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 5628 } 5629 } 5630 } 5631 } 5632 } 5633 5634 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5635 synchronized (mPackages) { 5636 mResolverReplaced = true; 5637 // Set up information for custom user intent resolution activity. 5638 mResolveActivity.applicationInfo = pkg.applicationInfo; 5639 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5640 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5641 mResolveActivity.processName = null; 5642 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5643 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5644 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5645 mResolveActivity.theme = 0; 5646 mResolveActivity.exported = true; 5647 mResolveActivity.enabled = true; 5648 mResolveInfo.activityInfo = mResolveActivity; 5649 mResolveInfo.priority = 0; 5650 mResolveInfo.preferredOrder = 0; 5651 mResolveInfo.match = 0; 5652 mResolveComponentName = mCustomResolverComponentName; 5653 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5654 mResolveComponentName); 5655 } 5656 } 5657 5658 private String calculateApkRoot(final String codePathString) { 5659 final File codePath = new File(codePathString); 5660 final File codeRoot; 5661 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 5662 codeRoot = Environment.getRootDirectory(); 5663 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 5664 codeRoot = Environment.getOemDirectory(); 5665 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 5666 codeRoot = Environment.getVendorDirectory(); 5667 } else { 5668 // Unrecognized code path; take its top real segment as the apk root: 5669 // e.g. /something/app/blah.apk => /something 5670 try { 5671 File f = codePath.getCanonicalFile(); 5672 File parent = f.getParentFile(); // non-null because codePath is a file 5673 File tmp; 5674 while ((tmp = parent.getParentFile()) != null) { 5675 f = parent; 5676 parent = tmp; 5677 } 5678 codeRoot = f; 5679 Slog.w(TAG, "Unrecognized code path " 5680 + codePath + " - using " + codeRoot); 5681 } catch (IOException e) { 5682 // Can't canonicalize the lib path -- shenanigans? 5683 Slog.w(TAG, "Can't canonicalize code path " + codePath); 5684 return Environment.getRootDirectory().getPath(); 5685 } 5686 } 5687 return codeRoot.getPath(); 5688 } 5689 5690 // This is the initial scan-time determination of how to handle a given 5691 // package for purposes of native library location. 5692 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5693 PackageSetting pkgSetting) { 5694 // "bundled" here means system-installed with no overriding update 5695 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 5696 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5697 final File libDir; 5698 if (bundledApk) { 5699 // If "/system/lib64/apkname" exists, assume that is the per-package 5700 // native library directory to use; otherwise use "/system/lib/apkname". 5701 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5702 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 5703 File packLib64 = new File(lib64, apkName); 5704 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 5705 } else { 5706 libDir = mAppLibInstallDir; 5707 } 5708 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 5709 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5710 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5711 } 5712 5713 // Deduces the required ABI of an upgraded system app. 5714 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 5715 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5716 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5717 5718 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 5719 // or similar. 5720 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 5721 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 5722 5723 // Assume that the bundled native libraries always correspond to the 5724 // most preferred 32 or 64 bit ABI. 5725 if (lib64.exists()) { 5726 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 5727 pkgSetting.requiredCpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 5728 } else if (lib.exists()) { 5729 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5730 pkgSetting.requiredCpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 5731 } else { 5732 // This is the case where the app has no native code. 5733 pkg.applicationInfo.requiredCpuAbi = null; 5734 pkgSetting.requiredCpuAbiString = null; 5735 } 5736 } 5737 5738 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5739 throws IOException { 5740 if (!nativeLibraryDir.isDirectory()) { 5741 nativeLibraryDir.delete(); 5742 5743 if (!nativeLibraryDir.mkdir()) { 5744 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5745 } 5746 5747 try { 5748 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 5749 } catch (ErrnoException e) { 5750 throw new IOException("Cannot chmod native library directory " 5751 + nativeLibraryDir.getPath(), e); 5752 } 5753 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5754 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5755 } 5756 5757 /* 5758 * If this is an internal application or our nativeLibraryPath points to 5759 * the app-lib directory, unpack the libraries if necessary. 5760 */ 5761 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5762 try { 5763 int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5764 if (abi >= 0) { 5765 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 5766 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 5767 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 5768 return copyRet; 5769 } 5770 } 5771 5772 return abi; 5773 } finally { 5774 handle.close(); 5775 } 5776 } 5777 5778 private void killApplication(String pkgName, int appId, String reason) { 5779 // Request the ActivityManager to kill the process(only for existing packages) 5780 // so that we do not end up in a confused state while the user is still using the older 5781 // version of the application while the new one gets installed. 5782 IActivityManager am = ActivityManagerNative.getDefault(); 5783 if (am != null) { 5784 try { 5785 am.killApplicationWithAppId(pkgName, appId, reason); 5786 } catch (RemoteException e) { 5787 } 5788 } 5789 } 5790 5791 void removePackageLI(PackageSetting ps, boolean chatty) { 5792 if (DEBUG_INSTALL) { 5793 if (chatty) 5794 Log.d(TAG, "Removing package " + ps.name); 5795 } 5796 5797 // writer 5798 synchronized (mPackages) { 5799 mPackages.remove(ps.name); 5800 if (ps.codePathString != null) { 5801 mAppDirs.remove(ps.codePathString); 5802 } 5803 5804 final PackageParser.Package pkg = ps.pkg; 5805 if (pkg != null) { 5806 cleanPackageDataStructuresLILPw(pkg, chatty); 5807 } 5808 } 5809 } 5810 5811 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5812 if (DEBUG_INSTALL) { 5813 if (chatty) 5814 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5815 } 5816 5817 // writer 5818 synchronized (mPackages) { 5819 mPackages.remove(pkg.applicationInfo.packageName); 5820 if (pkg.mPath != null) { 5821 mAppDirs.remove(pkg.mPath); 5822 } 5823 cleanPackageDataStructuresLILPw(pkg, chatty); 5824 } 5825 } 5826 5827 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5828 int N = pkg.providers.size(); 5829 StringBuilder r = null; 5830 int i; 5831 for (i=0; i<N; i++) { 5832 PackageParser.Provider p = pkg.providers.get(i); 5833 mProviders.removeProvider(p); 5834 if (p.info.authority == null) { 5835 5836 /* There was another ContentProvider with this authority when 5837 * this app was installed so this authority is null, 5838 * Ignore it as we don't have to unregister the provider. 5839 */ 5840 continue; 5841 } 5842 String names[] = p.info.authority.split(";"); 5843 for (int j = 0; j < names.length; j++) { 5844 if (mProvidersByAuthority.get(names[j]) == p) { 5845 mProvidersByAuthority.remove(names[j]); 5846 if (DEBUG_REMOVE) { 5847 if (chatty) 5848 Log.d(TAG, "Unregistered content provider: " + names[j] 5849 + ", className = " + p.info.name + ", isSyncable = " 5850 + p.info.isSyncable); 5851 } 5852 } 5853 } 5854 if (DEBUG_REMOVE && chatty) { 5855 if (r == null) { 5856 r = new StringBuilder(256); 5857 } else { 5858 r.append(' '); 5859 } 5860 r.append(p.info.name); 5861 } 5862 } 5863 if (r != null) { 5864 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5865 } 5866 5867 N = pkg.services.size(); 5868 r = null; 5869 for (i=0; i<N; i++) { 5870 PackageParser.Service s = pkg.services.get(i); 5871 mServices.removeService(s); 5872 if (chatty) { 5873 if (r == null) { 5874 r = new StringBuilder(256); 5875 } else { 5876 r.append(' '); 5877 } 5878 r.append(s.info.name); 5879 } 5880 } 5881 if (r != null) { 5882 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5883 } 5884 5885 N = pkg.receivers.size(); 5886 r = null; 5887 for (i=0; i<N; i++) { 5888 PackageParser.Activity a = pkg.receivers.get(i); 5889 mReceivers.removeActivity(a, "receiver"); 5890 if (DEBUG_REMOVE && chatty) { 5891 if (r == null) { 5892 r = new StringBuilder(256); 5893 } else { 5894 r.append(' '); 5895 } 5896 r.append(a.info.name); 5897 } 5898 } 5899 if (r != null) { 5900 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5901 } 5902 5903 N = pkg.activities.size(); 5904 r = null; 5905 for (i=0; i<N; i++) { 5906 PackageParser.Activity a = pkg.activities.get(i); 5907 mActivities.removeActivity(a, "activity"); 5908 if (DEBUG_REMOVE && chatty) { 5909 if (r == null) { 5910 r = new StringBuilder(256); 5911 } else { 5912 r.append(' '); 5913 } 5914 r.append(a.info.name); 5915 } 5916 } 5917 if (r != null) { 5918 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5919 } 5920 5921 N = pkg.permissions.size(); 5922 r = null; 5923 for (i=0; i<N; i++) { 5924 PackageParser.Permission p = pkg.permissions.get(i); 5925 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5926 if (bp == null) { 5927 bp = mSettings.mPermissionTrees.get(p.info.name); 5928 } 5929 if (bp != null && bp.perm == p) { 5930 bp.perm = null; 5931 if (DEBUG_REMOVE && chatty) { 5932 if (r == null) { 5933 r = new StringBuilder(256); 5934 } else { 5935 r.append(' '); 5936 } 5937 r.append(p.info.name); 5938 } 5939 } 5940 } 5941 if (r != null) { 5942 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5943 } 5944 5945 N = pkg.instrumentation.size(); 5946 r = null; 5947 for (i=0; i<N; i++) { 5948 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5949 mInstrumentation.remove(a.getComponentName()); 5950 if (DEBUG_REMOVE && chatty) { 5951 if (r == null) { 5952 r = new StringBuilder(256); 5953 } else { 5954 r.append(' '); 5955 } 5956 r.append(a.info.name); 5957 } 5958 } 5959 if (r != null) { 5960 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5961 } 5962 5963 r = null; 5964 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5965 // Only system apps can hold shared libraries. 5966 if (pkg.libraryNames != null) { 5967 for (i=0; i<pkg.libraryNames.size(); i++) { 5968 String name = pkg.libraryNames.get(i); 5969 SharedLibraryEntry cur = mSharedLibraries.get(name); 5970 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5971 mSharedLibraries.remove(name); 5972 if (DEBUG_REMOVE && chatty) { 5973 if (r == null) { 5974 r = new StringBuilder(256); 5975 } else { 5976 r.append(' '); 5977 } 5978 r.append(name); 5979 } 5980 } 5981 } 5982 } 5983 } 5984 if (r != null) { 5985 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5986 } 5987 } 5988 5989 private static final boolean isPackageFilename(String name) { 5990 return name != null && name.endsWith(".apk"); 5991 } 5992 5993 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5994 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5995 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5996 return true; 5997 } 5998 } 5999 return false; 6000 } 6001 6002 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6003 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6004 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6005 6006 private void updatePermissionsLPw(String changingPkg, 6007 PackageParser.Package pkgInfo, int flags) { 6008 // Make sure there are no dangling permission trees. 6009 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6010 while (it.hasNext()) { 6011 final BasePermission bp = it.next(); 6012 if (bp.packageSetting == null) { 6013 // We may not yet have parsed the package, so just see if 6014 // we still know about its settings. 6015 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6016 } 6017 if (bp.packageSetting == null) { 6018 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6019 + " from package " + bp.sourcePackage); 6020 it.remove(); 6021 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6022 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6023 Slog.i(TAG, "Removing old permission tree: " + bp.name 6024 + " from package " + bp.sourcePackage); 6025 flags |= UPDATE_PERMISSIONS_ALL; 6026 it.remove(); 6027 } 6028 } 6029 } 6030 6031 // Make sure all dynamic permissions have been assigned to a package, 6032 // and make sure there are no dangling permissions. 6033 it = mSettings.mPermissions.values().iterator(); 6034 while (it.hasNext()) { 6035 final BasePermission bp = it.next(); 6036 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6037 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6038 + bp.name + " pkg=" + bp.sourcePackage 6039 + " info=" + bp.pendingInfo); 6040 if (bp.packageSetting == null && bp.pendingInfo != null) { 6041 final BasePermission tree = findPermissionTreeLP(bp.name); 6042 if (tree != null && tree.perm != null) { 6043 bp.packageSetting = tree.packageSetting; 6044 bp.perm = new PackageParser.Permission(tree.perm.owner, 6045 new PermissionInfo(bp.pendingInfo)); 6046 bp.perm.info.packageName = tree.perm.info.packageName; 6047 bp.perm.info.name = bp.name; 6048 bp.uid = tree.uid; 6049 } 6050 } 6051 } 6052 if (bp.packageSetting == null) { 6053 // We may not yet have parsed the package, so just see if 6054 // we still know about its settings. 6055 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6056 } 6057 if (bp.packageSetting == null) { 6058 Slog.w(TAG, "Removing dangling permission: " + bp.name 6059 + " from package " + bp.sourcePackage); 6060 it.remove(); 6061 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6062 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6063 Slog.i(TAG, "Removing old permission: " + bp.name 6064 + " from package " + bp.sourcePackage); 6065 flags |= UPDATE_PERMISSIONS_ALL; 6066 it.remove(); 6067 } 6068 } 6069 } 6070 6071 // Now update the permissions for all packages, in particular 6072 // replace the granted permissions of the system packages. 6073 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6074 for (PackageParser.Package pkg : mPackages.values()) { 6075 if (pkg != pkgInfo) { 6076 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6077 } 6078 } 6079 } 6080 6081 if (pkgInfo != null) { 6082 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6083 } 6084 } 6085 6086 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6087 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6088 if (ps == null) { 6089 return; 6090 } 6091 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6092 HashSet<String> origPermissions = gp.grantedPermissions; 6093 boolean changedPermission = false; 6094 6095 if (replace) { 6096 ps.permissionsFixed = false; 6097 if (gp == ps) { 6098 origPermissions = new HashSet<String>(gp.grantedPermissions); 6099 gp.grantedPermissions.clear(); 6100 gp.gids = mGlobalGids; 6101 } 6102 } 6103 6104 if (gp.gids == null) { 6105 gp.gids = mGlobalGids; 6106 } 6107 6108 final int N = pkg.requestedPermissions.size(); 6109 for (int i=0; i<N; i++) { 6110 final String name = pkg.requestedPermissions.get(i); 6111 final boolean required = pkg.requestedPermissionsRequired.get(i); 6112 final BasePermission bp = mSettings.mPermissions.get(name); 6113 if (DEBUG_INSTALL) { 6114 if (gp != ps) { 6115 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6116 } 6117 } 6118 6119 if (bp == null || bp.packageSetting == null) { 6120 Slog.w(TAG, "Unknown permission " + name 6121 + " in package " + pkg.packageName); 6122 continue; 6123 } 6124 6125 final String perm = bp.name; 6126 boolean allowed; 6127 boolean allowedSig = false; 6128 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6129 if (level == PermissionInfo.PROTECTION_NORMAL 6130 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6131 // We grant a normal or dangerous permission if any of the following 6132 // are true: 6133 // 1) The permission is required 6134 // 2) The permission is optional, but was granted in the past 6135 // 3) The permission is optional, but was requested by an 6136 // app in /system (not /data) 6137 // 6138 // Otherwise, reject the permission. 6139 allowed = (required || origPermissions.contains(perm) 6140 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6141 } else if (bp.packageSetting == null) { 6142 // This permission is invalid; skip it. 6143 allowed = false; 6144 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6145 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6146 if (allowed) { 6147 allowedSig = true; 6148 } 6149 } else { 6150 allowed = false; 6151 } 6152 if (DEBUG_INSTALL) { 6153 if (gp != ps) { 6154 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6155 } 6156 } 6157 if (allowed) { 6158 if (!isSystemApp(ps) && ps.permissionsFixed) { 6159 // If this is an existing, non-system package, then 6160 // we can't add any new permissions to it. 6161 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6162 // Except... if this is a permission that was added 6163 // to the platform (note: need to only do this when 6164 // updating the platform). 6165 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6166 } 6167 } 6168 if (allowed) { 6169 if (!gp.grantedPermissions.contains(perm)) { 6170 changedPermission = true; 6171 gp.grantedPermissions.add(perm); 6172 gp.gids = appendInts(gp.gids, bp.gids); 6173 } else if (!ps.haveGids) { 6174 gp.gids = appendInts(gp.gids, bp.gids); 6175 } 6176 } else { 6177 Slog.w(TAG, "Not granting permission " + perm 6178 + " to package " + pkg.packageName 6179 + " because it was previously installed without"); 6180 } 6181 } else { 6182 if (gp.grantedPermissions.remove(perm)) { 6183 changedPermission = true; 6184 gp.gids = removeInts(gp.gids, bp.gids); 6185 Slog.i(TAG, "Un-granting permission " + perm 6186 + " from package " + pkg.packageName 6187 + " (protectionLevel=" + bp.protectionLevel 6188 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6189 + ")"); 6190 } else { 6191 Slog.w(TAG, "Not granting permission " + perm 6192 + " to package " + pkg.packageName 6193 + " (protectionLevel=" + bp.protectionLevel 6194 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6195 + ")"); 6196 } 6197 } 6198 } 6199 6200 if ((changedPermission || replace) && !ps.permissionsFixed && 6201 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6202 // This is the first that we have heard about this package, so the 6203 // permissions we have now selected are fixed until explicitly 6204 // changed. 6205 ps.permissionsFixed = true; 6206 } 6207 ps.haveGids = true; 6208 } 6209 6210 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6211 boolean allowed = false; 6212 final int NP = PackageParser.NEW_PERMISSIONS.length; 6213 for (int ip=0; ip<NP; ip++) { 6214 final PackageParser.NewPermissionInfo npi 6215 = PackageParser.NEW_PERMISSIONS[ip]; 6216 if (npi.name.equals(perm) 6217 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6218 allowed = true; 6219 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6220 + pkg.packageName); 6221 break; 6222 } 6223 } 6224 return allowed; 6225 } 6226 6227 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6228 BasePermission bp, HashSet<String> origPermissions) { 6229 boolean allowed; 6230 allowed = (compareSignatures( 6231 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6232 == PackageManager.SIGNATURE_MATCH) 6233 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6234 == PackageManager.SIGNATURE_MATCH); 6235 if (!allowed && (bp.protectionLevel 6236 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6237 if (isSystemApp(pkg)) { 6238 // For updated system applications, a system permission 6239 // is granted only if it had been defined by the original application. 6240 if (isUpdatedSystemApp(pkg)) { 6241 final PackageSetting sysPs = mSettings 6242 .getDisabledSystemPkgLPr(pkg.packageName); 6243 final GrantedPermissions origGp = sysPs.sharedUser != null 6244 ? sysPs.sharedUser : sysPs; 6245 6246 if (origGp.grantedPermissions.contains(perm)) { 6247 // If the original was granted this permission, we take 6248 // that grant decision as read and propagate it to the 6249 // update. 6250 allowed = true; 6251 } else { 6252 // The system apk may have been updated with an older 6253 // version of the one on the data partition, but which 6254 // granted a new system permission that it didn't have 6255 // before. In this case we do want to allow the app to 6256 // now get the new permission if the ancestral apk is 6257 // privileged to get it. 6258 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6259 for (int j=0; 6260 j<sysPs.pkg.requestedPermissions.size(); j++) { 6261 if (perm.equals( 6262 sysPs.pkg.requestedPermissions.get(j))) { 6263 allowed = true; 6264 break; 6265 } 6266 } 6267 } 6268 } 6269 } else { 6270 allowed = isPrivilegedApp(pkg); 6271 } 6272 } 6273 } 6274 if (!allowed && (bp.protectionLevel 6275 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6276 // For development permissions, a development permission 6277 // is granted only if it was already granted. 6278 allowed = origPermissions.contains(perm); 6279 } 6280 return allowed; 6281 } 6282 6283 final class ActivityIntentResolver 6284 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6285 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6286 boolean defaultOnly, int userId) { 6287 if (!sUserManager.exists(userId)) return null; 6288 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6289 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6290 } 6291 6292 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6293 int userId) { 6294 if (!sUserManager.exists(userId)) return null; 6295 mFlags = flags; 6296 return super.queryIntent(intent, resolvedType, 6297 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6298 } 6299 6300 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6301 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6302 if (!sUserManager.exists(userId)) return null; 6303 if (packageActivities == null) { 6304 return null; 6305 } 6306 mFlags = flags; 6307 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6308 final int N = packageActivities.size(); 6309 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6310 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6311 6312 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6313 for (int i = 0; i < N; ++i) { 6314 intentFilters = packageActivities.get(i).intents; 6315 if (intentFilters != null && intentFilters.size() > 0) { 6316 PackageParser.ActivityIntentInfo[] array = 6317 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6318 intentFilters.toArray(array); 6319 listCut.add(array); 6320 } 6321 } 6322 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6323 } 6324 6325 public final void addActivity(PackageParser.Activity a, String type) { 6326 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6327 mActivities.put(a.getComponentName(), a); 6328 if (DEBUG_SHOW_INFO) 6329 Log.v( 6330 TAG, " " + type + " " + 6331 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6332 if (DEBUG_SHOW_INFO) 6333 Log.v(TAG, " Class=" + a.info.name); 6334 final int NI = a.intents.size(); 6335 for (int j=0; j<NI; j++) { 6336 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6337 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6338 intent.setPriority(0); 6339 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6340 + a.className + " with priority > 0, forcing to 0"); 6341 } 6342 if (DEBUG_SHOW_INFO) { 6343 Log.v(TAG, " IntentFilter:"); 6344 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6345 } 6346 if (!intent.debugCheck()) { 6347 Log.w(TAG, "==> For Activity " + a.info.name); 6348 } 6349 addFilter(intent); 6350 } 6351 } 6352 6353 public final void removeActivity(PackageParser.Activity a, String type) { 6354 mActivities.remove(a.getComponentName()); 6355 if (DEBUG_SHOW_INFO) { 6356 Log.v(TAG, " " + type + " " 6357 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6358 : a.info.name) + ":"); 6359 Log.v(TAG, " Class=" + a.info.name); 6360 } 6361 final int NI = a.intents.size(); 6362 for (int j=0; j<NI; j++) { 6363 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6364 if (DEBUG_SHOW_INFO) { 6365 Log.v(TAG, " IntentFilter:"); 6366 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6367 } 6368 removeFilter(intent); 6369 } 6370 } 6371 6372 @Override 6373 protected boolean allowFilterResult( 6374 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6375 ActivityInfo filterAi = filter.activity.info; 6376 for (int i=dest.size()-1; i>=0; i--) { 6377 ActivityInfo destAi = dest.get(i).activityInfo; 6378 if (destAi.name == filterAi.name 6379 && destAi.packageName == filterAi.packageName) { 6380 return false; 6381 } 6382 } 6383 return true; 6384 } 6385 6386 @Override 6387 protected ActivityIntentInfo[] newArray(int size) { 6388 return new ActivityIntentInfo[size]; 6389 } 6390 6391 @Override 6392 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6393 if (!sUserManager.exists(userId)) return true; 6394 PackageParser.Package p = filter.activity.owner; 6395 if (p != null) { 6396 PackageSetting ps = (PackageSetting)p.mExtras; 6397 if (ps != null) { 6398 // System apps are never considered stopped for purposes of 6399 // filtering, because there may be no way for the user to 6400 // actually re-launch them. 6401 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6402 && ps.getStopped(userId); 6403 } 6404 } 6405 return false; 6406 } 6407 6408 @Override 6409 protected boolean isPackageForFilter(String packageName, 6410 PackageParser.ActivityIntentInfo info) { 6411 return packageName.equals(info.activity.owner.packageName); 6412 } 6413 6414 @Override 6415 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6416 int match, int userId) { 6417 if (!sUserManager.exists(userId)) return null; 6418 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6419 return null; 6420 } 6421 final PackageParser.Activity activity = info.activity; 6422 if (mSafeMode && (activity.info.applicationInfo.flags 6423 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6424 return null; 6425 } 6426 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6427 if (ps == null) { 6428 return null; 6429 } 6430 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6431 ps.readUserState(userId), userId); 6432 if (ai == null) { 6433 return null; 6434 } 6435 final ResolveInfo res = new ResolveInfo(); 6436 res.activityInfo = ai; 6437 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6438 res.filter = info; 6439 } 6440 res.priority = info.getPriority(); 6441 res.preferredOrder = activity.owner.mPreferredOrder; 6442 //System.out.println("Result: " + res.activityInfo.className + 6443 // " = " + res.priority); 6444 res.match = match; 6445 res.isDefault = info.hasDefault; 6446 res.labelRes = info.labelRes; 6447 res.nonLocalizedLabel = info.nonLocalizedLabel; 6448 res.icon = info.icon; 6449 res.system = isSystemApp(res.activityInfo.applicationInfo); 6450 return res; 6451 } 6452 6453 @Override 6454 protected void sortResults(List<ResolveInfo> results) { 6455 Collections.sort(results, mResolvePrioritySorter); 6456 } 6457 6458 @Override 6459 protected void dumpFilter(PrintWriter out, String prefix, 6460 PackageParser.ActivityIntentInfo filter) { 6461 out.print(prefix); out.print( 6462 Integer.toHexString(System.identityHashCode(filter.activity))); 6463 out.print(' '); 6464 filter.activity.printComponentShortName(out); 6465 out.print(" filter "); 6466 out.println(Integer.toHexString(System.identityHashCode(filter))); 6467 } 6468 6469// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6470// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6471// final List<ResolveInfo> retList = Lists.newArrayList(); 6472// while (i.hasNext()) { 6473// final ResolveInfo resolveInfo = i.next(); 6474// if (isEnabledLP(resolveInfo.activityInfo)) { 6475// retList.add(resolveInfo); 6476// } 6477// } 6478// return retList; 6479// } 6480 6481 // Keys are String (activity class name), values are Activity. 6482 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6483 = new HashMap<ComponentName, PackageParser.Activity>(); 6484 private int mFlags; 6485 } 6486 6487 private final class ServiceIntentResolver 6488 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6489 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6490 boolean defaultOnly, int userId) { 6491 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6492 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6493 } 6494 6495 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6496 int userId) { 6497 if (!sUserManager.exists(userId)) return null; 6498 mFlags = flags; 6499 return super.queryIntent(intent, resolvedType, 6500 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6501 } 6502 6503 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6504 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6505 if (!sUserManager.exists(userId)) return null; 6506 if (packageServices == null) { 6507 return null; 6508 } 6509 mFlags = flags; 6510 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6511 final int N = packageServices.size(); 6512 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6513 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6514 6515 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6516 for (int i = 0; i < N; ++i) { 6517 intentFilters = packageServices.get(i).intents; 6518 if (intentFilters != null && intentFilters.size() > 0) { 6519 PackageParser.ServiceIntentInfo[] array = 6520 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6521 intentFilters.toArray(array); 6522 listCut.add(array); 6523 } 6524 } 6525 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6526 } 6527 6528 public final void addService(PackageParser.Service s) { 6529 mServices.put(s.getComponentName(), s); 6530 if (DEBUG_SHOW_INFO) { 6531 Log.v(TAG, " " 6532 + (s.info.nonLocalizedLabel != null 6533 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6534 Log.v(TAG, " Class=" + s.info.name); 6535 } 6536 final int NI = s.intents.size(); 6537 int j; 6538 for (j=0; j<NI; j++) { 6539 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6540 if (DEBUG_SHOW_INFO) { 6541 Log.v(TAG, " IntentFilter:"); 6542 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6543 } 6544 if (!intent.debugCheck()) { 6545 Log.w(TAG, "==> For Service " + s.info.name); 6546 } 6547 addFilter(intent); 6548 } 6549 } 6550 6551 public final void removeService(PackageParser.Service s) { 6552 mServices.remove(s.getComponentName()); 6553 if (DEBUG_SHOW_INFO) { 6554 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6555 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6556 Log.v(TAG, " Class=" + s.info.name); 6557 } 6558 final int NI = s.intents.size(); 6559 int j; 6560 for (j=0; j<NI; j++) { 6561 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6562 if (DEBUG_SHOW_INFO) { 6563 Log.v(TAG, " IntentFilter:"); 6564 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6565 } 6566 removeFilter(intent); 6567 } 6568 } 6569 6570 @Override 6571 protected boolean allowFilterResult( 6572 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6573 ServiceInfo filterSi = filter.service.info; 6574 for (int i=dest.size()-1; i>=0; i--) { 6575 ServiceInfo destAi = dest.get(i).serviceInfo; 6576 if (destAi.name == filterSi.name 6577 && destAi.packageName == filterSi.packageName) { 6578 return false; 6579 } 6580 } 6581 return true; 6582 } 6583 6584 @Override 6585 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6586 return new PackageParser.ServiceIntentInfo[size]; 6587 } 6588 6589 @Override 6590 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6591 if (!sUserManager.exists(userId)) return true; 6592 PackageParser.Package p = filter.service.owner; 6593 if (p != null) { 6594 PackageSetting ps = (PackageSetting)p.mExtras; 6595 if (ps != null) { 6596 // System apps are never considered stopped for purposes of 6597 // filtering, because there may be no way for the user to 6598 // actually re-launch them. 6599 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6600 && ps.getStopped(userId); 6601 } 6602 } 6603 return false; 6604 } 6605 6606 @Override 6607 protected boolean isPackageForFilter(String packageName, 6608 PackageParser.ServiceIntentInfo info) { 6609 return packageName.equals(info.service.owner.packageName); 6610 } 6611 6612 @Override 6613 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6614 int match, int userId) { 6615 if (!sUserManager.exists(userId)) return null; 6616 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6617 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6618 return null; 6619 } 6620 final PackageParser.Service service = info.service; 6621 if (mSafeMode && (service.info.applicationInfo.flags 6622 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6623 return null; 6624 } 6625 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6626 if (ps == null) { 6627 return null; 6628 } 6629 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6630 ps.readUserState(userId), userId); 6631 if (si == null) { 6632 return null; 6633 } 6634 final ResolveInfo res = new ResolveInfo(); 6635 res.serviceInfo = si; 6636 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6637 res.filter = filter; 6638 } 6639 res.priority = info.getPriority(); 6640 res.preferredOrder = service.owner.mPreferredOrder; 6641 //System.out.println("Result: " + res.activityInfo.className + 6642 // " = " + res.priority); 6643 res.match = match; 6644 res.isDefault = info.hasDefault; 6645 res.labelRes = info.labelRes; 6646 res.nonLocalizedLabel = info.nonLocalizedLabel; 6647 res.icon = info.icon; 6648 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6649 return res; 6650 } 6651 6652 @Override 6653 protected void sortResults(List<ResolveInfo> results) { 6654 Collections.sort(results, mResolvePrioritySorter); 6655 } 6656 6657 @Override 6658 protected void dumpFilter(PrintWriter out, String prefix, 6659 PackageParser.ServiceIntentInfo filter) { 6660 out.print(prefix); out.print( 6661 Integer.toHexString(System.identityHashCode(filter.service))); 6662 out.print(' '); 6663 filter.service.printComponentShortName(out); 6664 out.print(" filter "); 6665 out.println(Integer.toHexString(System.identityHashCode(filter))); 6666 } 6667 6668// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6669// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6670// final List<ResolveInfo> retList = Lists.newArrayList(); 6671// while (i.hasNext()) { 6672// final ResolveInfo resolveInfo = (ResolveInfo) i; 6673// if (isEnabledLP(resolveInfo.serviceInfo)) { 6674// retList.add(resolveInfo); 6675// } 6676// } 6677// return retList; 6678// } 6679 6680 // Keys are String (activity class name), values are Activity. 6681 private final HashMap<ComponentName, PackageParser.Service> mServices 6682 = new HashMap<ComponentName, PackageParser.Service>(); 6683 private int mFlags; 6684 }; 6685 6686 private final class ProviderIntentResolver 6687 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6688 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6689 boolean defaultOnly, int userId) { 6690 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6691 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6692 } 6693 6694 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6695 int userId) { 6696 if (!sUserManager.exists(userId)) 6697 return null; 6698 mFlags = flags; 6699 return super.queryIntent(intent, resolvedType, 6700 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6701 } 6702 6703 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6704 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6705 if (!sUserManager.exists(userId)) 6706 return null; 6707 if (packageProviders == null) { 6708 return null; 6709 } 6710 mFlags = flags; 6711 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6712 final int N = packageProviders.size(); 6713 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6714 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6715 6716 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6717 for (int i = 0; i < N; ++i) { 6718 intentFilters = packageProviders.get(i).intents; 6719 if (intentFilters != null && intentFilters.size() > 0) { 6720 PackageParser.ProviderIntentInfo[] array = 6721 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6722 intentFilters.toArray(array); 6723 listCut.add(array); 6724 } 6725 } 6726 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6727 } 6728 6729 public final void addProvider(PackageParser.Provider p) { 6730 if (mProviders.containsKey(p.getComponentName())) { 6731 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 6732 return; 6733 } 6734 6735 mProviders.put(p.getComponentName(), p); 6736 if (DEBUG_SHOW_INFO) { 6737 Log.v(TAG, " " 6738 + (p.info.nonLocalizedLabel != null 6739 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6740 Log.v(TAG, " Class=" + p.info.name); 6741 } 6742 final int NI = p.intents.size(); 6743 int j; 6744 for (j = 0; j < NI; j++) { 6745 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6746 if (DEBUG_SHOW_INFO) { 6747 Log.v(TAG, " IntentFilter:"); 6748 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6749 } 6750 if (!intent.debugCheck()) { 6751 Log.w(TAG, "==> For Provider " + p.info.name); 6752 } 6753 addFilter(intent); 6754 } 6755 } 6756 6757 public final void removeProvider(PackageParser.Provider p) { 6758 mProviders.remove(p.getComponentName()); 6759 if (DEBUG_SHOW_INFO) { 6760 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6761 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6762 Log.v(TAG, " Class=" + p.info.name); 6763 } 6764 final int NI = p.intents.size(); 6765 int j; 6766 for (j = 0; j < NI; j++) { 6767 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6768 if (DEBUG_SHOW_INFO) { 6769 Log.v(TAG, " IntentFilter:"); 6770 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6771 } 6772 removeFilter(intent); 6773 } 6774 } 6775 6776 @Override 6777 protected boolean allowFilterResult( 6778 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6779 ProviderInfo filterPi = filter.provider.info; 6780 for (int i = dest.size() - 1; i >= 0; i--) { 6781 ProviderInfo destPi = dest.get(i).providerInfo; 6782 if (destPi.name == filterPi.name 6783 && destPi.packageName == filterPi.packageName) { 6784 return false; 6785 } 6786 } 6787 return true; 6788 } 6789 6790 @Override 6791 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6792 return new PackageParser.ProviderIntentInfo[size]; 6793 } 6794 6795 @Override 6796 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6797 if (!sUserManager.exists(userId)) 6798 return true; 6799 PackageParser.Package p = filter.provider.owner; 6800 if (p != null) { 6801 PackageSetting ps = (PackageSetting) p.mExtras; 6802 if (ps != null) { 6803 // System apps are never considered stopped for purposes of 6804 // filtering, because there may be no way for the user to 6805 // actually re-launch them. 6806 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6807 && ps.getStopped(userId); 6808 } 6809 } 6810 return false; 6811 } 6812 6813 @Override 6814 protected boolean isPackageForFilter(String packageName, 6815 PackageParser.ProviderIntentInfo info) { 6816 return packageName.equals(info.provider.owner.packageName); 6817 } 6818 6819 @Override 6820 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6821 int match, int userId) { 6822 if (!sUserManager.exists(userId)) 6823 return null; 6824 final PackageParser.ProviderIntentInfo info = filter; 6825 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6826 return null; 6827 } 6828 final PackageParser.Provider provider = info.provider; 6829 if (mSafeMode && (provider.info.applicationInfo.flags 6830 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6831 return null; 6832 } 6833 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6834 if (ps == null) { 6835 return null; 6836 } 6837 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6838 ps.readUserState(userId), userId); 6839 if (pi == null) { 6840 return null; 6841 } 6842 final ResolveInfo res = new ResolveInfo(); 6843 res.providerInfo = pi; 6844 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6845 res.filter = filter; 6846 } 6847 res.priority = info.getPriority(); 6848 res.preferredOrder = provider.owner.mPreferredOrder; 6849 res.match = match; 6850 res.isDefault = info.hasDefault; 6851 res.labelRes = info.labelRes; 6852 res.nonLocalizedLabel = info.nonLocalizedLabel; 6853 res.icon = info.icon; 6854 res.system = isSystemApp(res.providerInfo.applicationInfo); 6855 return res; 6856 } 6857 6858 @Override 6859 protected void sortResults(List<ResolveInfo> results) { 6860 Collections.sort(results, mResolvePrioritySorter); 6861 } 6862 6863 @Override 6864 protected void dumpFilter(PrintWriter out, String prefix, 6865 PackageParser.ProviderIntentInfo filter) { 6866 out.print(prefix); 6867 out.print( 6868 Integer.toHexString(System.identityHashCode(filter.provider))); 6869 out.print(' '); 6870 filter.provider.printComponentShortName(out); 6871 out.print(" filter "); 6872 out.println(Integer.toHexString(System.identityHashCode(filter))); 6873 } 6874 6875 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6876 = new HashMap<ComponentName, PackageParser.Provider>(); 6877 private int mFlags; 6878 }; 6879 6880 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6881 new Comparator<ResolveInfo>() { 6882 public int compare(ResolveInfo r1, ResolveInfo r2) { 6883 int v1 = r1.priority; 6884 int v2 = r2.priority; 6885 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6886 if (v1 != v2) { 6887 return (v1 > v2) ? -1 : 1; 6888 } 6889 v1 = r1.preferredOrder; 6890 v2 = r2.preferredOrder; 6891 if (v1 != v2) { 6892 return (v1 > v2) ? -1 : 1; 6893 } 6894 if (r1.isDefault != r2.isDefault) { 6895 return r1.isDefault ? -1 : 1; 6896 } 6897 v1 = r1.match; 6898 v2 = r2.match; 6899 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6900 if (v1 != v2) { 6901 return (v1 > v2) ? -1 : 1; 6902 } 6903 if (r1.system != r2.system) { 6904 return r1.system ? -1 : 1; 6905 } 6906 return 0; 6907 } 6908 }; 6909 6910 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6911 new Comparator<ProviderInfo>() { 6912 public int compare(ProviderInfo p1, ProviderInfo p2) { 6913 final int v1 = p1.initOrder; 6914 final int v2 = p2.initOrder; 6915 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6916 } 6917 }; 6918 6919 static final void sendPackageBroadcast(String action, String pkg, 6920 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6921 int[] userIds) { 6922 IActivityManager am = ActivityManagerNative.getDefault(); 6923 if (am != null) { 6924 try { 6925 if (userIds == null) { 6926 userIds = am.getRunningUserIds(); 6927 } 6928 for (int id : userIds) { 6929 final Intent intent = new Intent(action, 6930 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6931 if (extras != null) { 6932 intent.putExtras(extras); 6933 } 6934 if (targetPkg != null) { 6935 intent.setPackage(targetPkg); 6936 } 6937 // Modify the UID when posting to other users 6938 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6939 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6940 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6941 intent.putExtra(Intent.EXTRA_UID, uid); 6942 } 6943 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6944 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6945 if (DEBUG_BROADCASTS) { 6946 RuntimeException here = new RuntimeException("here"); 6947 here.fillInStackTrace(); 6948 Slog.d(TAG, "Sending to user " + id + ": " 6949 + intent.toShortString(false, true, false, false) 6950 + " " + intent.getExtras(), here); 6951 } 6952 am.broadcastIntent(null, intent, null, finishedReceiver, 6953 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6954 finishedReceiver != null, false, id); 6955 } 6956 } catch (RemoteException ex) { 6957 } 6958 } 6959 } 6960 6961 /** 6962 * Check if the external storage media is available. This is true if there 6963 * is a mounted external storage medium or if the external storage is 6964 * emulated. 6965 */ 6966 private boolean isExternalMediaAvailable() { 6967 return mMediaMounted || Environment.isExternalStorageEmulated(); 6968 } 6969 6970 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6971 // writer 6972 synchronized (mPackages) { 6973 if (!isExternalMediaAvailable()) { 6974 // If the external storage is no longer mounted at this point, 6975 // the caller may not have been able to delete all of this 6976 // packages files and can not delete any more. Bail. 6977 return null; 6978 } 6979 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6980 if (lastPackage != null) { 6981 pkgs.remove(lastPackage); 6982 } 6983 if (pkgs.size() > 0) { 6984 return pkgs.get(0); 6985 } 6986 } 6987 return null; 6988 } 6989 6990 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6991 if (false) { 6992 RuntimeException here = new RuntimeException("here"); 6993 here.fillInStackTrace(); 6994 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6995 + " andCode=" + andCode, here); 6996 } 6997 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6998 userId, andCode ? 1 : 0, packageName)); 6999 } 7000 7001 void startCleaningPackages() { 7002 // reader 7003 synchronized (mPackages) { 7004 if (!isExternalMediaAvailable()) { 7005 return; 7006 } 7007 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7008 return; 7009 } 7010 } 7011 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7012 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7013 IActivityManager am = ActivityManagerNative.getDefault(); 7014 if (am != null) { 7015 try { 7016 am.startService(null, intent, null, UserHandle.USER_OWNER); 7017 } catch (RemoteException e) { 7018 } 7019 } 7020 } 7021 7022 private final class AppDirObserver extends FileObserver { 7023 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7024 super(path, mask); 7025 mRootDir = path; 7026 mIsRom = isrom; 7027 mIsPrivileged = isPrivileged; 7028 } 7029 7030 public void onEvent(int event, String path) { 7031 String removedPackage = null; 7032 int removedAppId = -1; 7033 int[] removedUsers = null; 7034 String addedPackage = null; 7035 int addedAppId = -1; 7036 int[] addedUsers = null; 7037 7038 // TODO post a message to the handler to obtain serial ordering 7039 synchronized (mInstallLock) { 7040 String fullPathStr = null; 7041 File fullPath = null; 7042 if (path != null) { 7043 fullPath = new File(mRootDir, path); 7044 fullPathStr = fullPath.getPath(); 7045 } 7046 7047 if (DEBUG_APP_DIR_OBSERVER) 7048 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7049 7050 if (!isPackageFilename(path)) { 7051 if (DEBUG_APP_DIR_OBSERVER) 7052 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7053 return; 7054 } 7055 7056 // Ignore packages that are being installed or 7057 // have just been installed. 7058 if (ignoreCodePath(fullPathStr)) { 7059 return; 7060 } 7061 PackageParser.Package p = null; 7062 PackageSetting ps = null; 7063 // reader 7064 synchronized (mPackages) { 7065 p = mAppDirs.get(fullPathStr); 7066 if (p != null) { 7067 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7068 if (ps != null) { 7069 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7070 } else { 7071 removedUsers = sUserManager.getUserIds(); 7072 } 7073 } 7074 addedUsers = sUserManager.getUserIds(); 7075 } 7076 if ((event&REMOVE_EVENTS) != 0) { 7077 if (ps != null) { 7078 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7079 removePackageLI(ps, true); 7080 removedPackage = ps.name; 7081 removedAppId = ps.appId; 7082 } 7083 } 7084 7085 if ((event&ADD_EVENTS) != 0) { 7086 if (p == null) { 7087 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7088 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7089 if (mIsRom) { 7090 flags |= PackageParser.PARSE_IS_SYSTEM 7091 | PackageParser.PARSE_IS_SYSTEM_DIR; 7092 if (mIsPrivileged) { 7093 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7094 } 7095 } 7096 p = scanPackageLI(fullPath, flags, 7097 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7098 System.currentTimeMillis(), UserHandle.ALL); 7099 if (p != null) { 7100 /* 7101 * TODO this seems dangerous as the package may have 7102 * changed since we last acquired the mPackages 7103 * lock. 7104 */ 7105 // writer 7106 synchronized (mPackages) { 7107 updatePermissionsLPw(p.packageName, p, 7108 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7109 } 7110 addedPackage = p.applicationInfo.packageName; 7111 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7112 } 7113 } 7114 } 7115 7116 // reader 7117 synchronized (mPackages) { 7118 mSettings.writeLPr(); 7119 } 7120 } 7121 7122 if (removedPackage != null) { 7123 Bundle extras = new Bundle(1); 7124 extras.putInt(Intent.EXTRA_UID, removedAppId); 7125 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7126 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7127 extras, null, null, removedUsers); 7128 } 7129 if (addedPackage != null) { 7130 Bundle extras = new Bundle(1); 7131 extras.putInt(Intent.EXTRA_UID, addedAppId); 7132 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7133 extras, null, null, addedUsers); 7134 } 7135 } 7136 7137 private final String mRootDir; 7138 private final boolean mIsRom; 7139 private final boolean mIsPrivileged; 7140 } 7141 7142 /* 7143 * The old-style observer methods all just trampoline to the newer signature with 7144 * expanded install observer API. The older API continues to work but does not 7145 * supply the additional details of the Observer2 API. 7146 */ 7147 7148 /* Called when a downloaded package installation has been confirmed by the user */ 7149 public void installPackage( 7150 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7151 installPackageEtc(packageURI, observer, null, flags, null); 7152 } 7153 7154 /* Called when a downloaded package installation has been confirmed by the user */ 7155 public void installPackage( 7156 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7157 final String installerPackageName) { 7158 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7159 installerPackageName, null, null, null); 7160 } 7161 7162 @Override 7163 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7164 int flags, String installerPackageName, Uri verificationURI, 7165 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7166 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7167 VerificationParams.NO_UID, manifestDigest); 7168 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7169 installerPackageName, verificationParams, encryptionParams); 7170 } 7171 7172 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7173 IPackageInstallObserver observer, int flags, String installerPackageName, 7174 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7175 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7176 installerPackageName, verificationParams, encryptionParams); 7177 } 7178 7179 /* 7180 * And here are the "live" versions that take both observer arguments 7181 */ 7182 public void installPackageEtc( 7183 final Uri packageURI, final IPackageInstallObserver observer, 7184 IPackageInstallObserver2 observer2, final int flags) { 7185 installPackageEtc(packageURI, observer, observer2, flags, null); 7186 } 7187 7188 public void installPackageEtc( 7189 final Uri packageURI, final IPackageInstallObserver observer, 7190 final IPackageInstallObserver2 observer2, final int flags, 7191 final String installerPackageName) { 7192 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7193 installerPackageName, null, null, null); 7194 } 7195 7196 @Override 7197 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7198 IPackageInstallObserver2 observer2, 7199 int flags, String installerPackageName, Uri verificationURI, 7200 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7201 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7202 VerificationParams.NO_UID, manifestDigest); 7203 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7204 installerPackageName, verificationParams, encryptionParams); 7205 } 7206 7207 /* 7208 * All of the installPackage...*() methods redirect to this one for the master implementation 7209 */ 7210 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7211 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7212 int flags, String installerPackageName, 7213 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7214 if (observer == null && observer2 == null) { 7215 throw new IllegalArgumentException("No install observer supplied"); 7216 } 7217 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7218 null); 7219 7220 final int uid = Binder.getCallingUid(); 7221 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7222 try { 7223 if (observer != null) { 7224 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7225 } 7226 if (observer2 != null) { 7227 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7228 } 7229 } catch (RemoteException re) { 7230 } 7231 return; 7232 } 7233 7234 UserHandle user; 7235 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7236 user = UserHandle.ALL; 7237 } else { 7238 user = new UserHandle(UserHandle.getUserId(uid)); 7239 } 7240 7241 final int filteredFlags; 7242 7243 if (uid == Process.SHELL_UID || uid == 0) { 7244 if (DEBUG_INSTALL) { 7245 Slog.v(TAG, "Install from ADB"); 7246 } 7247 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7248 } else { 7249 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7250 } 7251 7252 verificationParams.setInstallerUid(uid); 7253 7254 final Message msg = mHandler.obtainMessage(INIT_COPY); 7255 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7256 installerPackageName, verificationParams, encryptionParams, user); 7257 mHandler.sendMessage(msg); 7258 } 7259 7260 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7261 Bundle extras = new Bundle(1); 7262 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7263 7264 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7265 packageName, extras, null, null, new int[] {userId}); 7266 try { 7267 IActivityManager am = ActivityManagerNative.getDefault(); 7268 final boolean isSystem = 7269 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7270 if (isSystem && am.isUserRunning(userId, false)) { 7271 // The just-installed/enabled app is bundled on the system, so presumed 7272 // to be able to run automatically without needing an explicit launch. 7273 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7274 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7275 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7276 .setPackage(packageName); 7277 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7278 android.app.AppOpsManager.OP_NONE, false, false, userId); 7279 } 7280 } catch (RemoteException e) { 7281 // shouldn't happen 7282 Slog.w(TAG, "Unable to bootstrap installed package", e); 7283 } 7284 } 7285 7286 @Override 7287 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7288 int userId) { 7289 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7290 PackageSetting pkgSetting; 7291 final int uid = Binder.getCallingUid(); 7292 if (UserHandle.getUserId(uid) != userId) { 7293 mContext.enforceCallingOrSelfPermission( 7294 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7295 "setApplicationBlockedSetting for user " + userId); 7296 } 7297 7298 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7299 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7300 return false; 7301 } 7302 7303 long callingId = Binder.clearCallingIdentity(); 7304 try { 7305 boolean sendAdded = false; 7306 boolean sendRemoved = false; 7307 // writer 7308 synchronized (mPackages) { 7309 pkgSetting = mSettings.mPackages.get(packageName); 7310 if (pkgSetting == null) { 7311 return false; 7312 } 7313 if (pkgSetting.getBlocked(userId) != blocked) { 7314 pkgSetting.setBlocked(blocked, userId); 7315 mSettings.writePackageRestrictionsLPr(userId); 7316 if (blocked) { 7317 sendRemoved = true; 7318 } else { 7319 sendAdded = true; 7320 } 7321 } 7322 } 7323 if (sendAdded) { 7324 sendPackageAddedForUser(packageName, pkgSetting, userId); 7325 return true; 7326 } 7327 if (sendRemoved) { 7328 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7329 "blocking pkg"); 7330 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7331 } 7332 } finally { 7333 Binder.restoreCallingIdentity(callingId); 7334 } 7335 return false; 7336 } 7337 7338 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7339 int userId) { 7340 final PackageRemovedInfo info = new PackageRemovedInfo(); 7341 info.removedPackage = packageName; 7342 info.removedUsers = new int[] {userId}; 7343 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7344 info.sendBroadcast(false, false, false); 7345 } 7346 7347 /** 7348 * Returns true if application is not found or there was an error. Otherwise it returns 7349 * the blocked state of the package for the given user. 7350 */ 7351 @Override 7352 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7353 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7354 PackageSetting pkgSetting; 7355 final int uid = Binder.getCallingUid(); 7356 if (UserHandle.getUserId(uid) != userId) { 7357 mContext.enforceCallingPermission( 7358 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7359 "getApplicationBlocked for user " + userId); 7360 } 7361 long callingId = Binder.clearCallingIdentity(); 7362 try { 7363 // writer 7364 synchronized (mPackages) { 7365 pkgSetting = mSettings.mPackages.get(packageName); 7366 if (pkgSetting == null) { 7367 return true; 7368 } 7369 return pkgSetting.getBlocked(userId); 7370 } 7371 } finally { 7372 Binder.restoreCallingIdentity(callingId); 7373 } 7374 } 7375 7376 /** 7377 * @hide 7378 */ 7379 @Override 7380 public int installExistingPackageAsUser(String packageName, int userId) { 7381 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7382 null); 7383 PackageSetting pkgSetting; 7384 final int uid = Binder.getCallingUid(); 7385 if (UserHandle.getUserId(uid) != userId) { 7386 mContext.enforceCallingPermission( 7387 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7388 "installExistingPackage for user " + userId); 7389 } 7390 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7391 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7392 } 7393 7394 long callingId = Binder.clearCallingIdentity(); 7395 try { 7396 boolean sendAdded = false; 7397 Bundle extras = new Bundle(1); 7398 7399 // writer 7400 synchronized (mPackages) { 7401 pkgSetting = mSettings.mPackages.get(packageName); 7402 if (pkgSetting == null) { 7403 return PackageManager.INSTALL_FAILED_INVALID_URI; 7404 } 7405 if (!pkgSetting.getInstalled(userId)) { 7406 pkgSetting.setInstalled(true, userId); 7407 pkgSetting.setBlocked(false, userId); 7408 mSettings.writePackageRestrictionsLPr(userId); 7409 sendAdded = true; 7410 } 7411 } 7412 7413 if (sendAdded) { 7414 sendPackageAddedForUser(packageName, pkgSetting, userId); 7415 } 7416 } finally { 7417 Binder.restoreCallingIdentity(callingId); 7418 } 7419 7420 return PackageManager.INSTALL_SUCCEEDED; 7421 } 7422 7423 private boolean isUserRestricted(int userId, String restrictionKey) { 7424 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7425 if (restrictions.getBoolean(restrictionKey, false)) { 7426 Log.w(TAG, "User is restricted: " + restrictionKey); 7427 return true; 7428 } 7429 return false; 7430 } 7431 7432 @Override 7433 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7434 mContext.enforceCallingOrSelfPermission( 7435 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7436 "Only package verification agents can verify applications"); 7437 7438 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7439 final PackageVerificationResponse response = new PackageVerificationResponse( 7440 verificationCode, Binder.getCallingUid()); 7441 msg.arg1 = id; 7442 msg.obj = response; 7443 mHandler.sendMessage(msg); 7444 } 7445 7446 @Override 7447 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7448 long millisecondsToDelay) { 7449 mContext.enforceCallingOrSelfPermission( 7450 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7451 "Only package verification agents can extend verification timeouts"); 7452 7453 final PackageVerificationState state = mPendingVerification.get(id); 7454 final PackageVerificationResponse response = new PackageVerificationResponse( 7455 verificationCodeAtTimeout, Binder.getCallingUid()); 7456 7457 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7458 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7459 } 7460 if (millisecondsToDelay < 0) { 7461 millisecondsToDelay = 0; 7462 } 7463 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7464 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7465 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7466 } 7467 7468 if ((state != null) && !state.timeoutExtended()) { 7469 state.extendTimeout(); 7470 7471 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7472 msg.arg1 = id; 7473 msg.obj = response; 7474 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7475 } 7476 } 7477 7478 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7479 int verificationCode, UserHandle user) { 7480 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7481 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7482 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7483 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7484 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7485 7486 mContext.sendBroadcastAsUser(intent, user, 7487 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7488 } 7489 7490 private ComponentName matchComponentForVerifier(String packageName, 7491 List<ResolveInfo> receivers) { 7492 ActivityInfo targetReceiver = null; 7493 7494 final int NR = receivers.size(); 7495 for (int i = 0; i < NR; i++) { 7496 final ResolveInfo info = receivers.get(i); 7497 if (info.activityInfo == null) { 7498 continue; 7499 } 7500 7501 if (packageName.equals(info.activityInfo.packageName)) { 7502 targetReceiver = info.activityInfo; 7503 break; 7504 } 7505 } 7506 7507 if (targetReceiver == null) { 7508 return null; 7509 } 7510 7511 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7512 } 7513 7514 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7515 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7516 if (pkgInfo.verifiers.length == 0) { 7517 return null; 7518 } 7519 7520 final int N = pkgInfo.verifiers.length; 7521 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7522 for (int i = 0; i < N; i++) { 7523 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7524 7525 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7526 receivers); 7527 if (comp == null) { 7528 continue; 7529 } 7530 7531 final int verifierUid = getUidForVerifier(verifierInfo); 7532 if (verifierUid == -1) { 7533 continue; 7534 } 7535 7536 if (DEBUG_VERIFY) { 7537 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7538 + " with the correct signature"); 7539 } 7540 sufficientVerifiers.add(comp); 7541 verificationState.addSufficientVerifier(verifierUid); 7542 } 7543 7544 return sufficientVerifiers; 7545 } 7546 7547 private int getUidForVerifier(VerifierInfo verifierInfo) { 7548 synchronized (mPackages) { 7549 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7550 if (pkg == null) { 7551 return -1; 7552 } else if (pkg.mSignatures.length != 1) { 7553 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7554 + " has more than one signature; ignoring"); 7555 return -1; 7556 } 7557 7558 /* 7559 * If the public key of the package's signature does not match 7560 * our expected public key, then this is a different package and 7561 * we should skip. 7562 */ 7563 7564 final byte[] expectedPublicKey; 7565 try { 7566 final Signature verifierSig = pkg.mSignatures[0]; 7567 final PublicKey publicKey = verifierSig.getPublicKey(); 7568 expectedPublicKey = publicKey.getEncoded(); 7569 } catch (CertificateException e) { 7570 return -1; 7571 } 7572 7573 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7574 7575 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7576 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7577 + " does not have the expected public key; ignoring"); 7578 return -1; 7579 } 7580 7581 return pkg.applicationInfo.uid; 7582 } 7583 } 7584 7585 public void finishPackageInstall(int token) { 7586 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7587 7588 if (DEBUG_INSTALL) { 7589 Slog.v(TAG, "BM finishing package install for " + token); 7590 } 7591 7592 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7593 mHandler.sendMessage(msg); 7594 } 7595 7596 /** 7597 * Get the verification agent timeout. 7598 * 7599 * @return verification timeout in milliseconds 7600 */ 7601 private long getVerificationTimeout() { 7602 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7603 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7604 DEFAULT_VERIFICATION_TIMEOUT); 7605 } 7606 7607 /** 7608 * Get the default verification agent response code. 7609 * 7610 * @return default verification response code 7611 */ 7612 private int getDefaultVerificationResponse() { 7613 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7614 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7615 DEFAULT_VERIFICATION_RESPONSE); 7616 } 7617 7618 /** 7619 * Check whether or not package verification has been enabled. 7620 * 7621 * @return true if verification should be performed 7622 */ 7623 private boolean isVerificationEnabled(int flags) { 7624 if (!DEFAULT_VERIFY_ENABLE) { 7625 return false; 7626 } 7627 7628 // Check if installing from ADB 7629 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7630 // Do not run verification in a test harness environment 7631 if (ActivityManager.isRunningInTestHarness()) { 7632 return false; 7633 } 7634 // Check if the developer does not want package verification for ADB installs 7635 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7636 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7637 return false; 7638 } 7639 } 7640 7641 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7642 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7643 } 7644 7645 /** 7646 * Get the "allow unknown sources" setting. 7647 * 7648 * @return the current "allow unknown sources" setting 7649 */ 7650 private int getUnknownSourcesSettings() { 7651 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7652 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7653 -1); 7654 } 7655 7656 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7657 final int uid = Binder.getCallingUid(); 7658 // writer 7659 synchronized (mPackages) { 7660 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7661 if (targetPackageSetting == null) { 7662 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7663 } 7664 7665 PackageSetting installerPackageSetting; 7666 if (installerPackageName != null) { 7667 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7668 if (installerPackageSetting == null) { 7669 throw new IllegalArgumentException("Unknown installer package: " 7670 + installerPackageName); 7671 } 7672 } else { 7673 installerPackageSetting = null; 7674 } 7675 7676 Signature[] callerSignature; 7677 Object obj = mSettings.getUserIdLPr(uid); 7678 if (obj != null) { 7679 if (obj instanceof SharedUserSetting) { 7680 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7681 } else if (obj instanceof PackageSetting) { 7682 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7683 } else { 7684 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7685 } 7686 } else { 7687 throw new SecurityException("Unknown calling uid " + uid); 7688 } 7689 7690 // Verify: can't set installerPackageName to a package that is 7691 // not signed with the same cert as the caller. 7692 if (installerPackageSetting != null) { 7693 if (compareSignatures(callerSignature, 7694 installerPackageSetting.signatures.mSignatures) 7695 != PackageManager.SIGNATURE_MATCH) { 7696 throw new SecurityException( 7697 "Caller does not have same cert as new installer package " 7698 + installerPackageName); 7699 } 7700 } 7701 7702 // Verify: if target already has an installer package, it must 7703 // be signed with the same cert as the caller. 7704 if (targetPackageSetting.installerPackageName != null) { 7705 PackageSetting setting = mSettings.mPackages.get( 7706 targetPackageSetting.installerPackageName); 7707 // If the currently set package isn't valid, then it's always 7708 // okay to change it. 7709 if (setting != null) { 7710 if (compareSignatures(callerSignature, 7711 setting.signatures.mSignatures) 7712 != PackageManager.SIGNATURE_MATCH) { 7713 throw new SecurityException( 7714 "Caller does not have same cert as old installer package " 7715 + targetPackageSetting.installerPackageName); 7716 } 7717 } 7718 } 7719 7720 // Okay! 7721 targetPackageSetting.installerPackageName = installerPackageName; 7722 scheduleWriteSettingsLocked(); 7723 } 7724 } 7725 7726 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7727 // Queue up an async operation since the package installation may take a little while. 7728 mHandler.post(new Runnable() { 7729 public void run() { 7730 mHandler.removeCallbacks(this); 7731 // Result object to be returned 7732 PackageInstalledInfo res = new PackageInstalledInfo(); 7733 res.returnCode = currentStatus; 7734 res.uid = -1; 7735 res.pkg = null; 7736 res.removedInfo = new PackageRemovedInfo(); 7737 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7738 args.doPreInstall(res.returnCode); 7739 synchronized (mInstallLock) { 7740 installPackageLI(args, true, res); 7741 } 7742 args.doPostInstall(res.returnCode, res.uid); 7743 } 7744 7745 // A restore should be performed at this point if (a) the install 7746 // succeeded, (b) the operation is not an update, and (c) the new 7747 // package has a backupAgent defined. 7748 final boolean update = res.removedInfo.removedPackage != null; 7749 boolean doRestore = (!update 7750 && res.pkg != null 7751 && res.pkg.applicationInfo.backupAgentName != null); 7752 7753 // Set up the post-install work request bookkeeping. This will be used 7754 // and cleaned up by the post-install event handling regardless of whether 7755 // there's a restore pass performed. Token values are >= 1. 7756 int token; 7757 if (mNextInstallToken < 0) mNextInstallToken = 1; 7758 token = mNextInstallToken++; 7759 7760 PostInstallData data = new PostInstallData(args, res); 7761 mRunningInstalls.put(token, data); 7762 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7763 7764 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7765 // Pass responsibility to the Backup Manager. It will perform a 7766 // restore if appropriate, then pass responsibility back to the 7767 // Package Manager to run the post-install observer callbacks 7768 // and broadcasts. 7769 IBackupManager bm = IBackupManager.Stub.asInterface( 7770 ServiceManager.getService(Context.BACKUP_SERVICE)); 7771 if (bm != null) { 7772 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7773 + " to BM for possible restore"); 7774 try { 7775 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7776 } catch (RemoteException e) { 7777 // can't happen; the backup manager is local 7778 } catch (Exception e) { 7779 Slog.e(TAG, "Exception trying to enqueue restore", e); 7780 doRestore = false; 7781 } 7782 } else { 7783 Slog.e(TAG, "Backup Manager not found!"); 7784 doRestore = false; 7785 } 7786 } 7787 7788 if (!doRestore) { 7789 // No restore possible, or the Backup Manager was mysteriously not 7790 // available -- just fire the post-install work request directly. 7791 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7792 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7793 mHandler.sendMessage(msg); 7794 } 7795 } 7796 }); 7797 } 7798 7799 private abstract class HandlerParams { 7800 private static final int MAX_RETRIES = 4; 7801 7802 /** 7803 * Number of times startCopy() has been attempted and had a non-fatal 7804 * error. 7805 */ 7806 private int mRetries = 0; 7807 7808 /** User handle for the user requesting the information or installation. */ 7809 private final UserHandle mUser; 7810 7811 HandlerParams(UserHandle user) { 7812 mUser = user; 7813 } 7814 7815 UserHandle getUser() { 7816 return mUser; 7817 } 7818 7819 final boolean startCopy() { 7820 boolean res; 7821 try { 7822 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7823 7824 if (++mRetries > MAX_RETRIES) { 7825 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7826 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7827 handleServiceError(); 7828 return false; 7829 } else { 7830 handleStartCopy(); 7831 res = true; 7832 } 7833 } catch (RemoteException e) { 7834 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7835 mHandler.sendEmptyMessage(MCS_RECONNECT); 7836 res = false; 7837 } 7838 handleReturnCode(); 7839 return res; 7840 } 7841 7842 final void serviceError() { 7843 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7844 handleServiceError(); 7845 handleReturnCode(); 7846 } 7847 7848 abstract void handleStartCopy() throws RemoteException; 7849 abstract void handleServiceError(); 7850 abstract void handleReturnCode(); 7851 } 7852 7853 class MeasureParams extends HandlerParams { 7854 private final PackageStats mStats; 7855 private boolean mSuccess; 7856 7857 private final IPackageStatsObserver mObserver; 7858 7859 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7860 super(new UserHandle(stats.userHandle)); 7861 mObserver = observer; 7862 mStats = stats; 7863 } 7864 7865 @Override 7866 public String toString() { 7867 return "MeasureParams{" 7868 + Integer.toHexString(System.identityHashCode(this)) 7869 + " " + mStats.packageName + "}"; 7870 } 7871 7872 @Override 7873 void handleStartCopy() throws RemoteException { 7874 synchronized (mInstallLock) { 7875 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7876 } 7877 7878 if (mSuccess) { 7879 final boolean mounted; 7880 if (Environment.isExternalStorageEmulated()) { 7881 mounted = true; 7882 } else { 7883 final String status = Environment.getExternalStorageState(); 7884 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7885 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7886 } 7887 7888 if (mounted) { 7889 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7890 7891 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7892 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7893 7894 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7895 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7896 7897 // Always subtract cache size, since it's a subdirectory 7898 mStats.externalDataSize -= mStats.externalCacheSize; 7899 7900 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7901 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7902 7903 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7904 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7905 } 7906 } 7907 } 7908 7909 @Override 7910 void handleReturnCode() { 7911 if (mObserver != null) { 7912 try { 7913 mObserver.onGetStatsCompleted(mStats, mSuccess); 7914 } catch (RemoteException e) { 7915 Slog.i(TAG, "Observer no longer exists."); 7916 } 7917 } 7918 } 7919 7920 @Override 7921 void handleServiceError() { 7922 Slog.e(TAG, "Could not measure application " + mStats.packageName 7923 + " external storage"); 7924 } 7925 } 7926 7927 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7928 throws RemoteException { 7929 long result = 0; 7930 for (File path : paths) { 7931 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7932 } 7933 return result; 7934 } 7935 7936 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7937 for (File path : paths) { 7938 try { 7939 mcs.clearDirectory(path.getAbsolutePath()); 7940 } catch (RemoteException e) { 7941 } 7942 } 7943 } 7944 7945 class InstallParams extends HandlerParams { 7946 final IPackageInstallObserver observer; 7947 final IPackageInstallObserver2 observer2; 7948 int flags; 7949 7950 private final Uri mPackageURI; 7951 final String installerPackageName; 7952 final VerificationParams verificationParams; 7953 private InstallArgs mArgs; 7954 private int mRet; 7955 private File mTempPackage; 7956 final ContainerEncryptionParams encryptionParams; 7957 7958 InstallParams(Uri packageURI, 7959 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7960 int flags, String installerPackageName, VerificationParams verificationParams, 7961 ContainerEncryptionParams encryptionParams, UserHandle user) { 7962 super(user); 7963 this.mPackageURI = packageURI; 7964 this.flags = flags; 7965 this.observer = observer; 7966 this.observer2 = observer2; 7967 this.installerPackageName = installerPackageName; 7968 this.verificationParams = verificationParams; 7969 this.encryptionParams = encryptionParams; 7970 } 7971 7972 @Override 7973 public String toString() { 7974 return "InstallParams{" 7975 + Integer.toHexString(System.identityHashCode(this)) 7976 + " " + mPackageURI + "}"; 7977 } 7978 7979 public ManifestDigest getManifestDigest() { 7980 if (verificationParams == null) { 7981 return null; 7982 } 7983 return verificationParams.getManifestDigest(); 7984 } 7985 7986 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7987 String packageName = pkgLite.packageName; 7988 int installLocation = pkgLite.installLocation; 7989 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7990 // reader 7991 synchronized (mPackages) { 7992 PackageParser.Package pkg = mPackages.get(packageName); 7993 if (pkg != null) { 7994 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7995 // Check for downgrading. 7996 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7997 if (pkgLite.versionCode < pkg.mVersionCode) { 7998 Slog.w(TAG, "Can't install update of " + packageName 7999 + " update version " + pkgLite.versionCode 8000 + " is older than installed version " 8001 + pkg.mVersionCode); 8002 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8003 } 8004 } 8005 // Check for updated system application. 8006 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8007 if (onSd) { 8008 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8009 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8010 } 8011 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8012 } else { 8013 if (onSd) { 8014 // Install flag overrides everything. 8015 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8016 } 8017 // If current upgrade specifies particular preference 8018 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8019 // Application explicitly specified internal. 8020 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8021 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8022 // App explictly prefers external. Let policy decide 8023 } else { 8024 // Prefer previous location 8025 if (isExternal(pkg)) { 8026 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8027 } 8028 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8029 } 8030 } 8031 } else { 8032 // Invalid install. Return error code 8033 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8034 } 8035 } 8036 } 8037 // All the special cases have been taken care of. 8038 // Return result based on recommended install location. 8039 if (onSd) { 8040 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8041 } 8042 return pkgLite.recommendedInstallLocation; 8043 } 8044 8045 private long getMemoryLowThreshold() { 8046 final DeviceStorageMonitorInternal 8047 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8048 if (dsm == null) { 8049 return 0L; 8050 } 8051 return dsm.getMemoryLowThreshold(); 8052 } 8053 8054 /* 8055 * Invoke remote method to get package information and install 8056 * location values. Override install location based on default 8057 * policy if needed and then create install arguments based 8058 * on the install location. 8059 */ 8060 public void handleStartCopy() throws RemoteException { 8061 int ret = PackageManager.INSTALL_SUCCEEDED; 8062 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8063 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8064 PackageInfoLite pkgLite = null; 8065 8066 if (onInt && onSd) { 8067 // Check if both bits are set. 8068 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8069 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8070 } else { 8071 final long lowThreshold = getMemoryLowThreshold(); 8072 if (lowThreshold == 0L) { 8073 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8074 } 8075 8076 try { 8077 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8078 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8079 8080 final File packageFile; 8081 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8082 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8083 if (mTempPackage != null) { 8084 ParcelFileDescriptor out; 8085 try { 8086 out = ParcelFileDescriptor.open(mTempPackage, 8087 ParcelFileDescriptor.MODE_READ_WRITE); 8088 } catch (FileNotFoundException e) { 8089 out = null; 8090 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8091 } 8092 8093 // Make a temporary file for decryption. 8094 ret = mContainerService 8095 .copyResource(mPackageURI, encryptionParams, out); 8096 IoUtils.closeQuietly(out); 8097 8098 packageFile = mTempPackage; 8099 8100 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8101 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8102 | FileUtils.S_IROTH, 8103 -1, -1); 8104 } else { 8105 packageFile = null; 8106 } 8107 } else { 8108 packageFile = new File(mPackageURI.getPath()); 8109 } 8110 8111 if (packageFile != null) { 8112 // Remote call to find out default install location 8113 final String packageFilePath = packageFile.getAbsolutePath(); 8114 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8115 lowThreshold); 8116 8117 /* 8118 * If we have too little free space, try to free cache 8119 * before giving up. 8120 */ 8121 if (pkgLite.recommendedInstallLocation 8122 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8123 final long size = mContainerService.calculateInstalledSize( 8124 packageFilePath, isForwardLocked()); 8125 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8126 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8127 flags, lowThreshold); 8128 } 8129 /* 8130 * The cache free must have deleted the file we 8131 * downloaded to install. 8132 * 8133 * TODO: fix the "freeCache" call to not delete 8134 * the file we care about. 8135 */ 8136 if (pkgLite.recommendedInstallLocation 8137 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8138 pkgLite.recommendedInstallLocation 8139 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8140 } 8141 } 8142 } 8143 } finally { 8144 mContext.revokeUriPermission(mPackageURI, 8145 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8146 } 8147 } 8148 8149 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8150 int loc = pkgLite.recommendedInstallLocation; 8151 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8152 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8153 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8154 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8155 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8156 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8157 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8158 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8159 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8160 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8161 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8162 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8163 } else { 8164 // Override with defaults if needed. 8165 loc = installLocationPolicy(pkgLite, flags); 8166 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8167 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8168 } else if (!onSd && !onInt) { 8169 // Override install location with flags 8170 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8171 // Set the flag to install on external media. 8172 flags |= PackageManager.INSTALL_EXTERNAL; 8173 flags &= ~PackageManager.INSTALL_INTERNAL; 8174 } else { 8175 // Make sure the flag for installing on external 8176 // media is unset 8177 flags |= PackageManager.INSTALL_INTERNAL; 8178 flags &= ~PackageManager.INSTALL_EXTERNAL; 8179 } 8180 } 8181 } 8182 } 8183 8184 final InstallArgs args = createInstallArgs(this); 8185 mArgs = args; 8186 8187 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8188 /* 8189 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8190 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8191 */ 8192 int userIdentifier = getUser().getIdentifier(); 8193 if (userIdentifier == UserHandle.USER_ALL 8194 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8195 userIdentifier = UserHandle.USER_OWNER; 8196 } 8197 8198 /* 8199 * Determine if we have any installed package verifiers. If we 8200 * do, then we'll defer to them to verify the packages. 8201 */ 8202 final int requiredUid = mRequiredVerifierPackage == null ? -1 8203 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8204 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8205 final Intent verification = new Intent( 8206 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8207 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8208 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8209 8210 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8211 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8212 0 /* TODO: Which userId? */); 8213 8214 if (DEBUG_VERIFY) { 8215 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8216 + verification.toString() + " with " + pkgLite.verifiers.length 8217 + " optional verifiers"); 8218 } 8219 8220 final int verificationId = mPendingVerificationToken++; 8221 8222 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8223 8224 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8225 installerPackageName); 8226 8227 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8228 8229 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8230 pkgLite.packageName); 8231 8232 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8233 pkgLite.versionCode); 8234 8235 if (verificationParams != null) { 8236 if (verificationParams.getVerificationURI() != null) { 8237 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8238 verificationParams.getVerificationURI()); 8239 } 8240 if (verificationParams.getOriginatingURI() != null) { 8241 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8242 verificationParams.getOriginatingURI()); 8243 } 8244 if (verificationParams.getReferrer() != null) { 8245 verification.putExtra(Intent.EXTRA_REFERRER, 8246 verificationParams.getReferrer()); 8247 } 8248 if (verificationParams.getOriginatingUid() >= 0) { 8249 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8250 verificationParams.getOriginatingUid()); 8251 } 8252 if (verificationParams.getInstallerUid() >= 0) { 8253 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8254 verificationParams.getInstallerUid()); 8255 } 8256 } 8257 8258 final PackageVerificationState verificationState = new PackageVerificationState( 8259 requiredUid, args); 8260 8261 mPendingVerification.append(verificationId, verificationState); 8262 8263 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8264 receivers, verificationState); 8265 8266 /* 8267 * If any sufficient verifiers were listed in the package 8268 * manifest, attempt to ask them. 8269 */ 8270 if (sufficientVerifiers != null) { 8271 final int N = sufficientVerifiers.size(); 8272 if (N == 0) { 8273 Slog.i(TAG, "Additional verifiers required, but none installed."); 8274 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8275 } else { 8276 for (int i = 0; i < N; i++) { 8277 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8278 8279 final Intent sufficientIntent = new Intent(verification); 8280 sufficientIntent.setComponent(verifierComponent); 8281 8282 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8283 } 8284 } 8285 } 8286 8287 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8288 mRequiredVerifierPackage, receivers); 8289 if (ret == PackageManager.INSTALL_SUCCEEDED 8290 && mRequiredVerifierPackage != null) { 8291 /* 8292 * Send the intent to the required verification agent, 8293 * but only start the verification timeout after the 8294 * target BroadcastReceivers have run. 8295 */ 8296 verification.setComponent(requiredVerifierComponent); 8297 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8298 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8299 new BroadcastReceiver() { 8300 @Override 8301 public void onReceive(Context context, Intent intent) { 8302 final Message msg = mHandler 8303 .obtainMessage(CHECK_PENDING_VERIFICATION); 8304 msg.arg1 = verificationId; 8305 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8306 } 8307 }, null, 0, null, null); 8308 8309 /* 8310 * We don't want the copy to proceed until verification 8311 * succeeds, so null out this field. 8312 */ 8313 mArgs = null; 8314 } 8315 } else { 8316 /* 8317 * No package verification is enabled, so immediately start 8318 * the remote call to initiate copy using temporary file. 8319 */ 8320 ret = args.copyApk(mContainerService, true); 8321 } 8322 } 8323 8324 mRet = ret; 8325 } 8326 8327 @Override 8328 void handleReturnCode() { 8329 // If mArgs is null, then MCS couldn't be reached. When it 8330 // reconnects, it will try again to install. At that point, this 8331 // will succeed. 8332 if (mArgs != null) { 8333 processPendingInstall(mArgs, mRet); 8334 8335 if (mTempPackage != null) { 8336 if (!mTempPackage.delete()) { 8337 Slog.w(TAG, "Couldn't delete temporary file: " + 8338 mTempPackage.getAbsolutePath()); 8339 } 8340 } 8341 } 8342 } 8343 8344 @Override 8345 void handleServiceError() { 8346 mArgs = createInstallArgs(this); 8347 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8348 } 8349 8350 public boolean isForwardLocked() { 8351 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8352 } 8353 8354 public Uri getPackageUri() { 8355 if (mTempPackage != null) { 8356 return Uri.fromFile(mTempPackage); 8357 } else { 8358 return mPackageURI; 8359 } 8360 } 8361 } 8362 8363 /* 8364 * Utility class used in movePackage api. 8365 * srcArgs and targetArgs are not set for invalid flags and make 8366 * sure to do null checks when invoking methods on them. 8367 * We probably want to return ErrorPrams for both failed installs 8368 * and moves. 8369 */ 8370 class MoveParams extends HandlerParams { 8371 final IPackageMoveObserver observer; 8372 final int flags; 8373 final String packageName; 8374 final InstallArgs srcArgs; 8375 final InstallArgs targetArgs; 8376 int uid; 8377 int mRet; 8378 8379 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8380 String packageName, String dataDir, String instructionSet, 8381 int uid, UserHandle user) { 8382 super(user); 8383 this.srcArgs = srcArgs; 8384 this.observer = observer; 8385 this.flags = flags; 8386 this.packageName = packageName; 8387 this.uid = uid; 8388 if (srcArgs != null) { 8389 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8390 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8391 } else { 8392 targetArgs = null; 8393 } 8394 } 8395 8396 @Override 8397 public String toString() { 8398 return "MoveParams{" 8399 + Integer.toHexString(System.identityHashCode(this)) 8400 + " " + packageName + "}"; 8401 } 8402 8403 public void handleStartCopy() throws RemoteException { 8404 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8405 // Check for storage space on target medium 8406 if (!targetArgs.checkFreeStorage(mContainerService)) { 8407 Log.w(TAG, "Insufficient storage to install"); 8408 return; 8409 } 8410 8411 mRet = srcArgs.doPreCopy(); 8412 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8413 return; 8414 } 8415 8416 mRet = targetArgs.copyApk(mContainerService, false); 8417 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8418 srcArgs.doPostCopy(uid); 8419 return; 8420 } 8421 8422 mRet = srcArgs.doPostCopy(uid); 8423 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8424 return; 8425 } 8426 8427 mRet = targetArgs.doPreInstall(mRet); 8428 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8429 return; 8430 } 8431 8432 if (DEBUG_SD_INSTALL) { 8433 StringBuilder builder = new StringBuilder(); 8434 if (srcArgs != null) { 8435 builder.append("src: "); 8436 builder.append(srcArgs.getCodePath()); 8437 } 8438 if (targetArgs != null) { 8439 builder.append(" target : "); 8440 builder.append(targetArgs.getCodePath()); 8441 } 8442 Log.i(TAG, builder.toString()); 8443 } 8444 } 8445 8446 @Override 8447 void handleReturnCode() { 8448 targetArgs.doPostInstall(mRet, uid); 8449 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8450 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8451 currentStatus = PackageManager.MOVE_SUCCEEDED; 8452 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8453 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8454 } 8455 processPendingMove(this, currentStatus); 8456 } 8457 8458 @Override 8459 void handleServiceError() { 8460 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8461 } 8462 } 8463 8464 /** 8465 * Used during creation of InstallArgs 8466 * 8467 * @param flags package installation flags 8468 * @return true if should be installed on external storage 8469 */ 8470 private static boolean installOnSd(int flags) { 8471 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8472 return false; 8473 } 8474 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8475 return true; 8476 } 8477 return false; 8478 } 8479 8480 /** 8481 * Used during creation of InstallArgs 8482 * 8483 * @param flags package installation flags 8484 * @return true if should be installed as forward locked 8485 */ 8486 private static boolean installForwardLocked(int flags) { 8487 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8488 } 8489 8490 private InstallArgs createInstallArgs(InstallParams params) { 8491 if (installOnSd(params.flags) || params.isForwardLocked()) { 8492 return new AsecInstallArgs(params); 8493 } else { 8494 return new FileInstallArgs(params); 8495 } 8496 } 8497 8498 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8499 String nativeLibraryPath, String instructionSet) { 8500 final boolean isInAsec; 8501 if (installOnSd(flags)) { 8502 /* Apps on SD card are always in ASEC containers. */ 8503 isInAsec = true; 8504 } else if (installForwardLocked(flags) 8505 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8506 /* 8507 * Forward-locked apps are only in ASEC containers if they're the 8508 * new style 8509 */ 8510 isInAsec = true; 8511 } else { 8512 isInAsec = false; 8513 } 8514 8515 if (isInAsec) { 8516 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8517 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8518 } else { 8519 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8520 instructionSet); 8521 } 8522 } 8523 8524 // Used by package mover 8525 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8526 String instructionSet) { 8527 if (installOnSd(flags) || installForwardLocked(flags)) { 8528 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8529 + AsecInstallArgs.RES_FILE_NAME); 8530 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8531 installForwardLocked(flags)); 8532 } else { 8533 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8534 } 8535 } 8536 8537 static abstract class InstallArgs { 8538 final IPackageInstallObserver observer; 8539 final IPackageInstallObserver2 observer2; 8540 // Always refers to PackageManager flags only 8541 final int flags; 8542 final Uri packageURI; 8543 final String installerPackageName; 8544 final ManifestDigest manifestDigest; 8545 final UserHandle user; 8546 final String instructionSet; 8547 8548 InstallArgs(Uri packageURI, 8549 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8550 int flags, String installerPackageName, ManifestDigest manifestDigest, 8551 UserHandle user, String instructionSet) { 8552 this.packageURI = packageURI; 8553 this.flags = flags; 8554 this.observer = observer; 8555 this.observer2 = observer2; 8556 this.installerPackageName = installerPackageName; 8557 this.manifestDigest = manifestDigest; 8558 this.user = user; 8559 this.instructionSet = instructionSet; 8560 } 8561 8562 abstract void createCopyFile(); 8563 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8564 abstract int doPreInstall(int status); 8565 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8566 8567 abstract int doPostInstall(int status, int uid); 8568 abstract String getCodePath(); 8569 abstract String getResourcePath(); 8570 abstract String getNativeLibraryPath(); 8571 // Need installer lock especially for dex file removal. 8572 abstract void cleanUpResourcesLI(); 8573 abstract boolean doPostDeleteLI(boolean delete); 8574 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8575 8576 /** 8577 * Called before the source arguments are copied. This is used mostly 8578 * for MoveParams when it needs to read the source file to put it in the 8579 * destination. 8580 */ 8581 int doPreCopy() { 8582 return PackageManager.INSTALL_SUCCEEDED; 8583 } 8584 8585 /** 8586 * Called after the source arguments are copied. This is used mostly for 8587 * MoveParams when it needs to read the source file to put it in the 8588 * destination. 8589 * 8590 * @return 8591 */ 8592 int doPostCopy(int uid) { 8593 return PackageManager.INSTALL_SUCCEEDED; 8594 } 8595 8596 protected boolean isFwdLocked() { 8597 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8598 } 8599 8600 UserHandle getUser() { 8601 return user; 8602 } 8603 } 8604 8605 class FileInstallArgs extends InstallArgs { 8606 File installDir; 8607 String codeFileName; 8608 String resourceFileName; 8609 String libraryPath; 8610 boolean created = false; 8611 8612 FileInstallArgs(InstallParams params) { 8613 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 8614 params.installerPackageName, params.getManifestDigest(), 8615 params.getUser(), null /* instruction set */); 8616 } 8617 8618 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8619 String instructionSet) { 8620 super(null, null, null, 0, null, null, null, instructionSet); 8621 File codeFile = new File(fullCodePath); 8622 installDir = codeFile.getParentFile(); 8623 codeFileName = fullCodePath; 8624 resourceFileName = fullResourcePath; 8625 libraryPath = nativeLibraryPath; 8626 } 8627 8628 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 8629 super(packageURI, null, null, 0, null, null, null, instructionSet); 8630 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8631 String apkName = getNextCodePath(null, pkgName, ".apk"); 8632 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8633 resourceFileName = getResourcePathFromCodePath(); 8634 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8635 } 8636 8637 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8638 final long lowThreshold; 8639 8640 final DeviceStorageMonitorInternal 8641 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8642 if (dsm == null) { 8643 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8644 lowThreshold = 0L; 8645 } else { 8646 if (dsm.isMemoryLow()) { 8647 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8648 return false; 8649 } 8650 8651 lowThreshold = dsm.getMemoryLowThreshold(); 8652 } 8653 8654 try { 8655 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8656 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8657 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8658 } finally { 8659 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8660 } 8661 } 8662 8663 String getCodePath() { 8664 return codeFileName; 8665 } 8666 8667 void createCopyFile() { 8668 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8669 codeFileName = createTempPackageFile(installDir).getPath(); 8670 resourceFileName = getResourcePathFromCodePath(); 8671 libraryPath = getLibraryPathFromCodePath(); 8672 created = true; 8673 } 8674 8675 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8676 if (temp) { 8677 // Generate temp file name 8678 createCopyFile(); 8679 } 8680 // Get a ParcelFileDescriptor to write to the output file 8681 File codeFile = new File(codeFileName); 8682 if (!created) { 8683 try { 8684 codeFile.createNewFile(); 8685 // Set permissions 8686 if (!setPermissions()) { 8687 // Failed setting permissions. 8688 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8689 } 8690 } catch (IOException e) { 8691 Slog.w(TAG, "Failed to create file " + codeFile); 8692 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8693 } 8694 } 8695 ParcelFileDescriptor out = null; 8696 try { 8697 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8698 } catch (FileNotFoundException e) { 8699 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8700 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8701 } 8702 // Copy the resource now 8703 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8704 try { 8705 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8706 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8707 ret = imcs.copyResource(packageURI, null, out); 8708 } finally { 8709 IoUtils.closeQuietly(out); 8710 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8711 } 8712 8713 if (isFwdLocked()) { 8714 final File destResourceFile = new File(getResourcePath()); 8715 8716 // Copy the public files 8717 try { 8718 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8719 } catch (IOException e) { 8720 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8721 + " forward-locked app."); 8722 destResourceFile.delete(); 8723 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8724 } 8725 } 8726 8727 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8728 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8729 if (nativeLibraryFile.exists()) { 8730 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8731 nativeLibraryFile.delete(); 8732 } 8733 try { 8734 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8735 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8736 return copyRet; 8737 } 8738 } catch (IOException e) { 8739 Slog.e(TAG, "Copying native libraries failed", e); 8740 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8741 } 8742 8743 return ret; 8744 } 8745 8746 int doPreInstall(int status) { 8747 if (status != PackageManager.INSTALL_SUCCEEDED) { 8748 cleanUp(); 8749 } 8750 return status; 8751 } 8752 8753 boolean doRename(int status, final String pkgName, String oldCodePath) { 8754 if (status != PackageManager.INSTALL_SUCCEEDED) { 8755 cleanUp(); 8756 return false; 8757 } else { 8758 final File oldCodeFile = new File(getCodePath()); 8759 final File oldResourceFile = new File(getResourcePath()); 8760 final File oldLibraryFile = new File(getNativeLibraryPath()); 8761 8762 // Rename APK file based on packageName 8763 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8764 final File newCodeFile = new File(installDir, apkName + ".apk"); 8765 if (!oldCodeFile.renameTo(newCodeFile)) { 8766 return false; 8767 } 8768 codeFileName = newCodeFile.getPath(); 8769 8770 // Rename public resource file if it's forward-locked. 8771 final File newResFile = new File(getResourcePathFromCodePath()); 8772 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8773 return false; 8774 } 8775 resourceFileName = newResFile.getPath(); 8776 8777 // Rename library path 8778 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8779 if (newLibraryFile.exists()) { 8780 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8781 newLibraryFile.delete(); 8782 } 8783 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8784 Slog.e(TAG, "Cannot rename native library directory " 8785 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8786 return false; 8787 } 8788 libraryPath = newLibraryFile.getPath(); 8789 8790 // Attempt to set permissions 8791 if (!setPermissions()) { 8792 return false; 8793 } 8794 8795 if (!SELinux.restorecon(newCodeFile)) { 8796 return false; 8797 } 8798 8799 return true; 8800 } 8801 } 8802 8803 int doPostInstall(int status, int uid) { 8804 if (status != PackageManager.INSTALL_SUCCEEDED) { 8805 cleanUp(); 8806 } 8807 return status; 8808 } 8809 8810 String getResourcePath() { 8811 return resourceFileName; 8812 } 8813 8814 private String getResourcePathFromCodePath() { 8815 final String codePath = getCodePath(); 8816 if (isFwdLocked()) { 8817 final StringBuilder sb = new StringBuilder(); 8818 8819 sb.append(mAppInstallDir.getPath()); 8820 sb.append('/'); 8821 sb.append(getApkName(codePath)); 8822 sb.append(".zip"); 8823 8824 /* 8825 * If our APK is a temporary file, mark the resource as a 8826 * temporary file as well so it can be cleaned up after 8827 * catastrophic failure. 8828 */ 8829 if (codePath.endsWith(".tmp")) { 8830 sb.append(".tmp"); 8831 } 8832 8833 return sb.toString(); 8834 } else { 8835 return codePath; 8836 } 8837 } 8838 8839 private String getLibraryPathFromCodePath() { 8840 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8841 } 8842 8843 @Override 8844 String getNativeLibraryPath() { 8845 if (libraryPath == null) { 8846 libraryPath = getLibraryPathFromCodePath(); 8847 } 8848 return libraryPath; 8849 } 8850 8851 private boolean cleanUp() { 8852 boolean ret = true; 8853 String sourceDir = getCodePath(); 8854 String publicSourceDir = getResourcePath(); 8855 if (sourceDir != null) { 8856 File sourceFile = new File(sourceDir); 8857 if (!sourceFile.exists()) { 8858 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8859 ret = false; 8860 } 8861 // Delete application's code and resources 8862 sourceFile.delete(); 8863 } 8864 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8865 final File publicSourceFile = new File(publicSourceDir); 8866 if (!publicSourceFile.exists()) { 8867 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8868 } 8869 if (publicSourceFile.exists()) { 8870 publicSourceFile.delete(); 8871 } 8872 } 8873 8874 if (libraryPath != null) { 8875 File nativeLibraryFile = new File(libraryPath); 8876 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8877 if (!nativeLibraryFile.delete()) { 8878 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8879 } 8880 } 8881 8882 return ret; 8883 } 8884 8885 void cleanUpResourcesLI() { 8886 String sourceDir = getCodePath(); 8887 if (cleanUp()) { 8888 if (instructionSet == null) { 8889 throw new IllegalStateException("instructionSet == null"); 8890 } 8891 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 8892 if (retCode < 0) { 8893 Slog.w(TAG, "Couldn't remove dex file for package: " 8894 + " at location " 8895 + sourceDir + ", retcode=" + retCode); 8896 // we don't consider this to be a failure of the core package deletion 8897 } 8898 } 8899 } 8900 8901 private boolean setPermissions() { 8902 // TODO Do this in a more elegant way later on. for now just a hack 8903 if (!isFwdLocked()) { 8904 final int filePermissions = 8905 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8906 |FileUtils.S_IROTH; 8907 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8908 if (retCode != 0) { 8909 Slog.e(TAG, "Couldn't set new package file permissions for " + 8910 getCodePath() 8911 + ". The return code was: " + retCode); 8912 // TODO Define new internal error 8913 return false; 8914 } 8915 return true; 8916 } 8917 return true; 8918 } 8919 8920 boolean doPostDeleteLI(boolean delete) { 8921 // XXX err, shouldn't we respect the delete flag? 8922 cleanUpResourcesLI(); 8923 return true; 8924 } 8925 } 8926 8927 private boolean isAsecExternal(String cid) { 8928 final String asecPath = PackageHelper.getSdFilesystem(cid); 8929 return !asecPath.startsWith(mAsecInternalPath); 8930 } 8931 8932 /** 8933 * Extract the MountService "container ID" from the full code path of an 8934 * .apk. 8935 */ 8936 static String cidFromCodePath(String fullCodePath) { 8937 int eidx = fullCodePath.lastIndexOf("/"); 8938 String subStr1 = fullCodePath.substring(0, eidx); 8939 int sidx = subStr1.lastIndexOf("/"); 8940 return subStr1.substring(sidx+1, eidx); 8941 } 8942 8943 class AsecInstallArgs extends InstallArgs { 8944 static final String RES_FILE_NAME = "pkg.apk"; 8945 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8946 8947 String cid; 8948 String packagePath; 8949 String resourcePath; 8950 String libraryPath; 8951 8952 AsecInstallArgs(InstallParams params) { 8953 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 8954 params.installerPackageName, params.getManifestDigest(), 8955 params.getUser(), null /* instruction set */); 8956 } 8957 8958 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8959 String instructionSet, boolean isExternal, boolean isForwardLocked) { 8960 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8961 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8962 null, null, null, instructionSet); 8963 // Extract cid from fullCodePath 8964 int eidx = fullCodePath.lastIndexOf("/"); 8965 String subStr1 = fullCodePath.substring(0, eidx); 8966 int sidx = subStr1.lastIndexOf("/"); 8967 cid = subStr1.substring(sidx+1, eidx); 8968 setCachePath(subStr1); 8969 } 8970 8971 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 8972 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8973 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8974 null, null, null, instructionSet); 8975 this.cid = cid; 8976 setCachePath(PackageHelper.getSdDir(cid)); 8977 } 8978 8979 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 8980 boolean isExternal, boolean isForwardLocked) { 8981 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8982 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8983 null, null, null, instructionSet); 8984 this.cid = cid; 8985 } 8986 8987 void createCopyFile() { 8988 cid = getTempContainerId(); 8989 } 8990 8991 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8992 try { 8993 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8994 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8995 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8996 } finally { 8997 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8998 } 8999 } 9000 9001 private final boolean isExternal() { 9002 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9003 } 9004 9005 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9006 if (temp) { 9007 createCopyFile(); 9008 } else { 9009 /* 9010 * Pre-emptively destroy the container since it's destroyed if 9011 * copying fails due to it existing anyway. 9012 */ 9013 PackageHelper.destroySdDir(cid); 9014 } 9015 9016 final String newCachePath; 9017 try { 9018 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9019 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9020 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9021 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 9022 } finally { 9023 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9024 } 9025 9026 if (newCachePath != null) { 9027 setCachePath(newCachePath); 9028 return PackageManager.INSTALL_SUCCEEDED; 9029 } else { 9030 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9031 } 9032 } 9033 9034 @Override 9035 String getCodePath() { 9036 return packagePath; 9037 } 9038 9039 @Override 9040 String getResourcePath() { 9041 return resourcePath; 9042 } 9043 9044 @Override 9045 String getNativeLibraryPath() { 9046 return libraryPath; 9047 } 9048 9049 int doPreInstall(int status) { 9050 if (status != PackageManager.INSTALL_SUCCEEDED) { 9051 // Destroy container 9052 PackageHelper.destroySdDir(cid); 9053 } else { 9054 boolean mounted = PackageHelper.isContainerMounted(cid); 9055 if (!mounted) { 9056 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9057 Process.SYSTEM_UID); 9058 if (newCachePath != null) { 9059 setCachePath(newCachePath); 9060 } else { 9061 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9062 } 9063 } 9064 } 9065 return status; 9066 } 9067 9068 boolean doRename(int status, final String pkgName, 9069 String oldCodePath) { 9070 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9071 String newCachePath = null; 9072 if (PackageHelper.isContainerMounted(cid)) { 9073 // Unmount the container 9074 if (!PackageHelper.unMountSdDir(cid)) { 9075 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9076 return false; 9077 } 9078 } 9079 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9080 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9081 " which might be stale. Will try to clean up."); 9082 // Clean up the stale container and proceed to recreate. 9083 if (!PackageHelper.destroySdDir(newCacheId)) { 9084 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9085 return false; 9086 } 9087 // Successfully cleaned up stale container. Try to rename again. 9088 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9089 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9090 + " inspite of cleaning it up."); 9091 return false; 9092 } 9093 } 9094 if (!PackageHelper.isContainerMounted(newCacheId)) { 9095 Slog.w(TAG, "Mounting container " + newCacheId); 9096 newCachePath = PackageHelper.mountSdDir(newCacheId, 9097 getEncryptKey(), Process.SYSTEM_UID); 9098 } else { 9099 newCachePath = PackageHelper.getSdDir(newCacheId); 9100 } 9101 if (newCachePath == null) { 9102 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9103 return false; 9104 } 9105 Log.i(TAG, "Succesfully renamed " + cid + 9106 " to " + newCacheId + 9107 " at new path: " + newCachePath); 9108 cid = newCacheId; 9109 setCachePath(newCachePath); 9110 return true; 9111 } 9112 9113 private void setCachePath(String newCachePath) { 9114 File cachePath = new File(newCachePath); 9115 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9116 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9117 9118 if (isFwdLocked()) { 9119 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9120 } else { 9121 resourcePath = packagePath; 9122 } 9123 } 9124 9125 int doPostInstall(int status, int uid) { 9126 if (status != PackageManager.INSTALL_SUCCEEDED) { 9127 cleanUp(); 9128 } else { 9129 final int groupOwner; 9130 final String protectedFile; 9131 if (isFwdLocked()) { 9132 groupOwner = UserHandle.getSharedAppGid(uid); 9133 protectedFile = RES_FILE_NAME; 9134 } else { 9135 groupOwner = -1; 9136 protectedFile = null; 9137 } 9138 9139 if (uid < Process.FIRST_APPLICATION_UID 9140 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9141 Slog.e(TAG, "Failed to finalize " + cid); 9142 PackageHelper.destroySdDir(cid); 9143 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9144 } 9145 9146 boolean mounted = PackageHelper.isContainerMounted(cid); 9147 if (!mounted) { 9148 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9149 } 9150 } 9151 return status; 9152 } 9153 9154 private void cleanUp() { 9155 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9156 9157 // Destroy secure container 9158 PackageHelper.destroySdDir(cid); 9159 } 9160 9161 void cleanUpResourcesLI() { 9162 String sourceFile = getCodePath(); 9163 // Remove dex file 9164 if (instructionSet == null) { 9165 throw new IllegalStateException("instructionSet == null"); 9166 } 9167 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9168 if (retCode < 0) { 9169 Slog.w(TAG, "Couldn't remove dex file for package: " 9170 + " at location " 9171 + sourceFile.toString() + ", retcode=" + retCode); 9172 // we don't consider this to be a failure of the core package deletion 9173 } 9174 cleanUp(); 9175 } 9176 9177 boolean matchContainer(String app) { 9178 if (cid.startsWith(app)) { 9179 return true; 9180 } 9181 return false; 9182 } 9183 9184 String getPackageName() { 9185 return getAsecPackageName(cid); 9186 } 9187 9188 boolean doPostDeleteLI(boolean delete) { 9189 boolean ret = false; 9190 boolean mounted = PackageHelper.isContainerMounted(cid); 9191 if (mounted) { 9192 // Unmount first 9193 ret = PackageHelper.unMountSdDir(cid); 9194 } 9195 if (ret && delete) { 9196 cleanUpResourcesLI(); 9197 } 9198 return ret; 9199 } 9200 9201 @Override 9202 int doPreCopy() { 9203 if (isFwdLocked()) { 9204 if (!PackageHelper.fixSdPermissions(cid, 9205 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9206 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9207 } 9208 } 9209 9210 return PackageManager.INSTALL_SUCCEEDED; 9211 } 9212 9213 @Override 9214 int doPostCopy(int uid) { 9215 if (isFwdLocked()) { 9216 if (uid < Process.FIRST_APPLICATION_UID 9217 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9218 RES_FILE_NAME)) { 9219 Slog.e(TAG, "Failed to finalize " + cid); 9220 PackageHelper.destroySdDir(cid); 9221 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9222 } 9223 } 9224 9225 return PackageManager.INSTALL_SUCCEEDED; 9226 } 9227 }; 9228 9229 static String getAsecPackageName(String packageCid) { 9230 int idx = packageCid.lastIndexOf("-"); 9231 if (idx == -1) { 9232 return packageCid; 9233 } 9234 return packageCid.substring(0, idx); 9235 } 9236 9237 // Utility method used to create code paths based on package name and available index. 9238 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9239 String idxStr = ""; 9240 int idx = 1; 9241 // Fall back to default value of idx=1 if prefix is not 9242 // part of oldCodePath 9243 if (oldCodePath != null) { 9244 String subStr = oldCodePath; 9245 // Drop the suffix right away 9246 if (subStr.endsWith(suffix)) { 9247 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9248 } 9249 // If oldCodePath already contains prefix find out the 9250 // ending index to either increment or decrement. 9251 int sidx = subStr.lastIndexOf(prefix); 9252 if (sidx != -1) { 9253 subStr = subStr.substring(sidx + prefix.length()); 9254 if (subStr != null) { 9255 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9256 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9257 } 9258 try { 9259 idx = Integer.parseInt(subStr); 9260 if (idx <= 1) { 9261 idx++; 9262 } else { 9263 idx--; 9264 } 9265 } catch(NumberFormatException e) { 9266 } 9267 } 9268 } 9269 } 9270 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9271 return prefix + idxStr; 9272 } 9273 9274 // Utility method used to ignore ADD/REMOVE events 9275 // by directory observer. 9276 private static boolean ignoreCodePath(String fullPathStr) { 9277 String apkName = getApkName(fullPathStr); 9278 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9279 if (idx != -1 && ((idx+1) < apkName.length())) { 9280 // Make sure the package ends with a numeral 9281 String version = apkName.substring(idx+1); 9282 try { 9283 Integer.parseInt(version); 9284 return true; 9285 } catch (NumberFormatException e) {} 9286 } 9287 return false; 9288 } 9289 9290 // Utility method that returns the relative package path with respect 9291 // to the installation directory. Like say for /data/data/com.test-1.apk 9292 // string com.test-1 is returned. 9293 static String getApkName(String codePath) { 9294 if (codePath == null) { 9295 return null; 9296 } 9297 int sidx = codePath.lastIndexOf("/"); 9298 int eidx = codePath.lastIndexOf("."); 9299 if (eidx == -1) { 9300 eidx = codePath.length(); 9301 } else if (eidx == 0) { 9302 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9303 return null; 9304 } 9305 return codePath.substring(sidx+1, eidx); 9306 } 9307 9308 class PackageInstalledInfo { 9309 String name; 9310 int uid; 9311 // The set of users that originally had this package installed. 9312 int[] origUsers; 9313 // The set of users that now have this package installed. 9314 int[] newUsers; 9315 PackageParser.Package pkg; 9316 int returnCode; 9317 PackageRemovedInfo removedInfo; 9318 9319 // In some error cases we want to convey more info back to the observer 9320 String origPackage; 9321 String origPermission; 9322 } 9323 9324 /* 9325 * Install a non-existing package. 9326 */ 9327 private void installNewPackageLI(PackageParser.Package pkg, 9328 int parseFlags, int scanMode, UserHandle user, 9329 String installerPackageName, PackageInstalledInfo res) { 9330 // Remember this for later, in case we need to rollback this install 9331 String pkgName = pkg.packageName; 9332 9333 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9334 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9335 synchronized(mPackages) { 9336 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9337 // A package with the same name is already installed, though 9338 // it has been renamed to an older name. The package we 9339 // are trying to install should be installed as an update to 9340 // the existing one, but that has not been requested, so bail. 9341 Slog.w(TAG, "Attempt to re-install " + pkgName 9342 + " without first uninstalling package running as " 9343 + mSettings.mRenamedPackages.get(pkgName)); 9344 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9345 return; 9346 } 9347 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9348 // Don't allow installation over an existing package with the same name. 9349 Slog.w(TAG, "Attempt to re-install " + pkgName 9350 + " without first uninstalling."); 9351 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9352 return; 9353 } 9354 } 9355 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9356 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9357 System.currentTimeMillis(), user); 9358 if (newPackage == null) { 9359 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9360 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9361 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9362 } 9363 } else { 9364 updateSettingsLI(newPackage, 9365 installerPackageName, 9366 null, null, 9367 res); 9368 // delete the partially installed application. the data directory will have to be 9369 // restored if it was already existing 9370 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9371 // remove package from internal structures. Note that we want deletePackageX to 9372 // delete the package data and cache directories that it created in 9373 // scanPackageLocked, unless those directories existed before we even tried to 9374 // install. 9375 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9376 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9377 res.removedInfo, true); 9378 } 9379 } 9380 } 9381 9382 private void replacePackageLI(PackageParser.Package pkg, 9383 int parseFlags, int scanMode, UserHandle user, 9384 String installerPackageName, PackageInstalledInfo res) { 9385 9386 PackageParser.Package oldPackage; 9387 String pkgName = pkg.packageName; 9388 int[] allUsers; 9389 boolean[] perUserInstalled; 9390 9391 // First find the old package info and check signatures 9392 synchronized(mPackages) { 9393 oldPackage = mPackages.get(pkgName); 9394 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9395 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9396 != PackageManager.SIGNATURE_MATCH) { 9397 Slog.w(TAG, "New package has a different signature: " + pkgName); 9398 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9399 return; 9400 } 9401 9402 // In case of rollback, remember per-user/profile install state 9403 PackageSetting ps = mSettings.mPackages.get(pkgName); 9404 allUsers = sUserManager.getUserIds(); 9405 perUserInstalled = new boolean[allUsers.length]; 9406 for (int i = 0; i < allUsers.length; i++) { 9407 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9408 } 9409 } 9410 boolean sysPkg = (isSystemApp(oldPackage)); 9411 if (sysPkg) { 9412 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9413 user, allUsers, perUserInstalled, installerPackageName, res); 9414 } else { 9415 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9416 user, allUsers, perUserInstalled, installerPackageName, res); 9417 } 9418 } 9419 9420 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9421 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9422 int[] allUsers, boolean[] perUserInstalled, 9423 String installerPackageName, PackageInstalledInfo res) { 9424 PackageParser.Package newPackage = null; 9425 String pkgName = deletedPackage.packageName; 9426 boolean deletedPkg = true; 9427 boolean updatedSettings = false; 9428 9429 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9430 + deletedPackage); 9431 long origUpdateTime; 9432 if (pkg.mExtras != null) { 9433 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9434 } else { 9435 origUpdateTime = 0; 9436 } 9437 9438 // First delete the existing package while retaining the data directory 9439 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9440 res.removedInfo, true)) { 9441 // If the existing package wasn't successfully deleted 9442 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9443 deletedPkg = false; 9444 } else { 9445 // Successfully deleted the old package. Now proceed with re-installation 9446 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9447 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9448 System.currentTimeMillis(), user); 9449 if (newPackage == null) { 9450 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9451 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9452 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9453 } 9454 } else { 9455 updateSettingsLI(newPackage, 9456 installerPackageName, 9457 allUsers, perUserInstalled, 9458 res); 9459 updatedSettings = true; 9460 } 9461 } 9462 9463 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9464 // remove package from internal structures. Note that we want deletePackageX to 9465 // delete the package data and cache directories that it created in 9466 // scanPackageLocked, unless those directories existed before we even tried to 9467 // install. 9468 if(updatedSettings) { 9469 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9470 deletePackageLI( 9471 pkgName, null, true, allUsers, perUserInstalled, 9472 PackageManager.DELETE_KEEP_DATA, 9473 res.removedInfo, true); 9474 } 9475 // Since we failed to install the new package we need to restore the old 9476 // package that we deleted. 9477 if(deletedPkg) { 9478 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9479 File restoreFile = new File(deletedPackage.mPath); 9480 // Parse old package 9481 boolean oldOnSd = isExternal(deletedPackage); 9482 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9483 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9484 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9485 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9486 | SCAN_UPDATE_TIME; 9487 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9488 origUpdateTime, null) == null) { 9489 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9490 return; 9491 } 9492 // Restore of old package succeeded. Update permissions. 9493 // writer 9494 synchronized (mPackages) { 9495 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9496 UPDATE_PERMISSIONS_ALL); 9497 // can downgrade to reader 9498 mSettings.writeLPr(); 9499 } 9500 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9501 } 9502 } 9503 } 9504 9505 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9506 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9507 int[] allUsers, boolean[] perUserInstalled, 9508 String installerPackageName, PackageInstalledInfo res) { 9509 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9510 + ", old=" + deletedPackage); 9511 PackageParser.Package newPackage = null; 9512 boolean updatedSettings = false; 9513 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9514 PackageParser.PARSE_IS_SYSTEM; 9515 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9516 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9517 } 9518 String packageName = deletedPackage.packageName; 9519 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9520 if (packageName == null) { 9521 Slog.w(TAG, "Attempt to delete null packageName."); 9522 return; 9523 } 9524 PackageParser.Package oldPkg; 9525 PackageSetting oldPkgSetting; 9526 // reader 9527 synchronized (mPackages) { 9528 oldPkg = mPackages.get(packageName); 9529 oldPkgSetting = mSettings.mPackages.get(packageName); 9530 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9531 (oldPkgSetting == null)) { 9532 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9533 return; 9534 } 9535 } 9536 9537 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9538 9539 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9540 res.removedInfo.removedPackage = packageName; 9541 // Remove existing system package 9542 removePackageLI(oldPkgSetting, true); 9543 // writer 9544 synchronized (mPackages) { 9545 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9546 // We didn't need to disable the .apk as a current system package, 9547 // which means we are replacing another update that is already 9548 // installed. We need to make sure to delete the older one's .apk. 9549 res.removedInfo.args = createInstallArgs(0, 9550 deletedPackage.applicationInfo.sourceDir, 9551 deletedPackage.applicationInfo.publicSourceDir, 9552 deletedPackage.applicationInfo.nativeLibraryDir, 9553 getAppInstructionSet(deletedPackage.applicationInfo)); 9554 } else { 9555 res.removedInfo.args = null; 9556 } 9557 } 9558 9559 // Successfully disabled the old package. Now proceed with re-installation 9560 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9561 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9562 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9563 if (newPackage == null) { 9564 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9565 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9566 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9567 } 9568 } else { 9569 if (newPackage.mExtras != null) { 9570 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9571 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9572 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9573 9574 // is the update attempting to change shared user? that isn't going to work... 9575 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 9576 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 9577 + " to " + newPkgSetting.sharedUser); 9578 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 9579 updatedSettings = true; 9580 } 9581 } 9582 9583 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 9584 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9585 updatedSettings = true; 9586 } 9587 } 9588 9589 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9590 // Re installation failed. Restore old information 9591 // Remove new pkg information 9592 if (newPackage != null) { 9593 removeInstalledPackageLI(newPackage, true); 9594 } 9595 // Add back the old system package 9596 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9597 // Restore the old system information in Settings 9598 synchronized(mPackages) { 9599 if (updatedSettings) { 9600 mSettings.enableSystemPackageLPw(packageName); 9601 mSettings.setInstallerPackageName(packageName, 9602 oldPkgSetting.installerPackageName); 9603 } 9604 mSettings.writeLPr(); 9605 } 9606 } 9607 } 9608 9609 // Utility method used to move dex files during install. 9610 private int moveDexFilesLI(PackageParser.Package newPackage) { 9611 int retCode; 9612 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9613 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath, 9614 getAppInstructionSet(newPackage.applicationInfo)); 9615 if (retCode != 0) { 9616 if (mNoDexOpt) { 9617 /* 9618 * If we're in an engineering build, programs are lazily run 9619 * through dexopt. If the .dex file doesn't exist yet, it 9620 * will be created when the program is run next. 9621 */ 9622 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 9623 } else { 9624 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 9625 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9626 } 9627 } 9628 } 9629 return PackageManager.INSTALL_SUCCEEDED; 9630 } 9631 9632 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9633 int[] allUsers, boolean[] perUserInstalled, 9634 PackageInstalledInfo res) { 9635 String pkgName = newPackage.packageName; 9636 synchronized (mPackages) { 9637 //write settings. the installStatus will be incomplete at this stage. 9638 //note that the new package setting would have already been 9639 //added to mPackages. It hasn't been persisted yet. 9640 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9641 mSettings.writeLPr(); 9642 } 9643 9644 if ((res.returnCode = moveDexFilesLI(newPackage)) 9645 != PackageManager.INSTALL_SUCCEEDED) { 9646 // Discontinue if moving dex files failed. 9647 return; 9648 } 9649 9650 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9651 9652 synchronized (mPackages) { 9653 updatePermissionsLPw(newPackage.packageName, newPackage, 9654 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9655 ? UPDATE_PERMISSIONS_ALL : 0)); 9656 // For system-bundled packages, we assume that installing an upgraded version 9657 // of the package implies that the user actually wants to run that new code, 9658 // so we enable the package. 9659 if (isSystemApp(newPackage)) { 9660 // NB: implicit assumption that system package upgrades apply to all users 9661 if (DEBUG_INSTALL) { 9662 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9663 } 9664 PackageSetting ps = mSettings.mPackages.get(pkgName); 9665 if (ps != null) { 9666 if (res.origUsers != null) { 9667 for (int userHandle : res.origUsers) { 9668 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9669 userHandle, installerPackageName); 9670 } 9671 } 9672 // Also convey the prior install/uninstall state 9673 if (allUsers != null && perUserInstalled != null) { 9674 for (int i = 0; i < allUsers.length; i++) { 9675 if (DEBUG_INSTALL) { 9676 Slog.d(TAG, " user " + allUsers[i] 9677 + " => " + perUserInstalled[i]); 9678 } 9679 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9680 } 9681 // these install state changes will be persisted in the 9682 // upcoming call to mSettings.writeLPr(). 9683 } 9684 } 9685 } 9686 res.name = pkgName; 9687 res.uid = newPackage.applicationInfo.uid; 9688 res.pkg = newPackage; 9689 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9690 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9691 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9692 //to update install status 9693 mSettings.writeLPr(); 9694 } 9695 } 9696 9697 private void installPackageLI(InstallArgs args, 9698 boolean newInstall, PackageInstalledInfo res) { 9699 int pFlags = args.flags; 9700 String installerPackageName = args.installerPackageName; 9701 File tmpPackageFile = new File(args.getCodePath()); 9702 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9703 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9704 boolean replace = false; 9705 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9706 | (newInstall ? SCAN_NEW_INSTALL : 0); 9707 // Result object to be returned 9708 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9709 9710 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9711 // Retrieve PackageSettings and parse package 9712 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9713 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9714 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9715 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9716 pp.setSeparateProcesses(mSeparateProcesses); 9717 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9718 null, mMetrics, parseFlags); 9719 if (pkg == null) { 9720 res.returnCode = pp.getParseError(); 9721 return; 9722 } 9723 String pkgName = res.name = pkg.packageName; 9724 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9725 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9726 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9727 return; 9728 } 9729 } 9730 if (!pp.collectCertificates(pkg, parseFlags)) { 9731 res.returnCode = pp.getParseError(); 9732 return; 9733 } 9734 9735 /* If the installer passed in a manifest digest, compare it now. */ 9736 if (args.manifestDigest != null) { 9737 if (DEBUG_INSTALL) { 9738 final String parsedManifest = pkg.manifestDigest == null ? "null" 9739 : pkg.manifestDigest.toString(); 9740 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9741 + parsedManifest); 9742 } 9743 9744 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9745 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9746 return; 9747 } 9748 } else if (DEBUG_INSTALL) { 9749 final String parsedManifest = pkg.manifestDigest == null 9750 ? "null" : pkg.manifestDigest.toString(); 9751 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9752 } 9753 9754 // Get rid of all references to package scan path via parser. 9755 pp = null; 9756 String oldCodePath = null; 9757 boolean systemApp = false; 9758 synchronized (mPackages) { 9759 // Check whether the newly-scanned package wants to define an already-defined perm 9760 int N = pkg.permissions.size(); 9761 for (int i = 0; i < N; i++) { 9762 PackageParser.Permission perm = pkg.permissions.get(i); 9763 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 9764 if (bp != null) { 9765 // If the defining package is signed with our cert, it's okay. This 9766 // also includes the "updating the same package" case, of course. 9767 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 9768 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9769 Slog.w(TAG, "Package " + pkg.packageName 9770 + " attempting to redeclare permission " + perm.info.name 9771 + " already owned by " + bp.sourcePackage); 9772 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 9773 res.origPermission = perm.info.name; 9774 res.origPackage = bp.sourcePackage; 9775 return; 9776 } 9777 } 9778 } 9779 9780 // Check if installing already existing package 9781 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9782 String oldName = mSettings.mRenamedPackages.get(pkgName); 9783 if (pkg.mOriginalPackages != null 9784 && pkg.mOriginalPackages.contains(oldName) 9785 && mPackages.containsKey(oldName)) { 9786 // This package is derived from an original package, 9787 // and this device has been updating from that original 9788 // name. We must continue using the original name, so 9789 // rename the new package here. 9790 pkg.setPackageName(oldName); 9791 pkgName = pkg.packageName; 9792 replace = true; 9793 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9794 + oldName + " pkgName=" + pkgName); 9795 } else if (mPackages.containsKey(pkgName)) { 9796 // This package, under its official name, already exists 9797 // on the device; we should replace it. 9798 replace = true; 9799 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9800 } 9801 } 9802 PackageSetting ps = mSettings.mPackages.get(pkgName); 9803 if (ps != null) { 9804 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9805 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9806 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9807 systemApp = (ps.pkg.applicationInfo.flags & 9808 ApplicationInfo.FLAG_SYSTEM) != 0; 9809 } 9810 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9811 } 9812 } 9813 9814 if (systemApp && onSd) { 9815 // Disable updates to system apps on sdcard 9816 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9817 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9818 return; 9819 } 9820 9821 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9822 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9823 return; 9824 } 9825 // Set application objects path explicitly after the rename 9826 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9827 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9828 if (replace) { 9829 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9830 installerPackageName, res); 9831 } else { 9832 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9833 installerPackageName, res); 9834 } 9835 synchronized (mPackages) { 9836 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9837 if (ps != null) { 9838 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9839 } 9840 } 9841 } 9842 9843 private static boolean isForwardLocked(PackageParser.Package pkg) { 9844 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9845 } 9846 9847 9848 private boolean isForwardLocked(PackageSetting ps) { 9849 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9850 } 9851 9852 private static boolean isExternal(PackageParser.Package pkg) { 9853 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9854 } 9855 9856 private static boolean isExternal(PackageSetting ps) { 9857 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9858 } 9859 9860 private static boolean isSystemApp(PackageParser.Package pkg) { 9861 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9862 } 9863 9864 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9865 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9866 } 9867 9868 private static boolean isSystemApp(ApplicationInfo info) { 9869 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9870 } 9871 9872 private static boolean isSystemApp(PackageSetting ps) { 9873 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9874 } 9875 9876 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9877 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9878 } 9879 9880 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9881 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9882 } 9883 9884 private int packageFlagsToInstallFlags(PackageSetting ps) { 9885 int installFlags = 0; 9886 if (isExternal(ps)) { 9887 installFlags |= PackageManager.INSTALL_EXTERNAL; 9888 } 9889 if (isForwardLocked(ps)) { 9890 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9891 } 9892 return installFlags; 9893 } 9894 9895 private void deleteTempPackageFiles() { 9896 final FilenameFilter filter = new FilenameFilter() { 9897 public boolean accept(File dir, String name) { 9898 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9899 } 9900 }; 9901 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9902 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9903 } 9904 9905 private static final void deleteTempPackageFilesInDirectory(File directory, 9906 FilenameFilter filter) { 9907 final String[] tmpFilesList = directory.list(filter); 9908 if (tmpFilesList == null) { 9909 return; 9910 } 9911 for (int i = 0; i < tmpFilesList.length; i++) { 9912 final File tmpFile = new File(directory, tmpFilesList[i]); 9913 tmpFile.delete(); 9914 } 9915 } 9916 9917 private File createTempPackageFile(File installDir) { 9918 File tmpPackageFile; 9919 try { 9920 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9921 } catch (IOException e) { 9922 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9923 return null; 9924 } 9925 try { 9926 FileUtils.setPermissions( 9927 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9928 -1, -1); 9929 if (!SELinux.restorecon(tmpPackageFile)) { 9930 return null; 9931 } 9932 } catch (IOException e) { 9933 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9934 return null; 9935 } 9936 return tmpPackageFile; 9937 } 9938 9939 @Override 9940 public void deletePackageAsUser(final String packageName, 9941 final IPackageDeleteObserver observer, 9942 final int userId, final int flags) { 9943 mContext.enforceCallingOrSelfPermission( 9944 android.Manifest.permission.DELETE_PACKAGES, null); 9945 final int uid = Binder.getCallingUid(); 9946 if (UserHandle.getUserId(uid) != userId) { 9947 mContext.enforceCallingPermission( 9948 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9949 "deletePackage for user " + userId); 9950 } 9951 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9952 try { 9953 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9954 } catch (RemoteException re) { 9955 } 9956 return; 9957 } 9958 9959 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9960 // Queue up an async operation since the package deletion may take a little while. 9961 mHandler.post(new Runnable() { 9962 public void run() { 9963 mHandler.removeCallbacks(this); 9964 final int returnCode = deletePackageX(packageName, userId, flags); 9965 if (observer != null) { 9966 try { 9967 observer.packageDeleted(packageName, returnCode); 9968 } catch (RemoteException e) { 9969 Log.i(TAG, "Observer no longer exists."); 9970 } //end catch 9971 } //end if 9972 } //end run 9973 }); 9974 } 9975 9976 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9977 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9978 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9979 try { 9980 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9981 || dpm.isDeviceOwner(packageName))) { 9982 return true; 9983 } 9984 } catch (RemoteException e) { 9985 } 9986 return false; 9987 } 9988 9989 /** 9990 * This method is an internal method that could be get invoked either 9991 * to delete an installed package or to clean up a failed installation. 9992 * After deleting an installed package, a broadcast is sent to notify any 9993 * listeners that the package has been installed. For cleaning up a failed 9994 * installation, the broadcast is not necessary since the package's 9995 * installation wouldn't have sent the initial broadcast either 9996 * The key steps in deleting a package are 9997 * deleting the package information in internal structures like mPackages, 9998 * deleting the packages base directories through installd 9999 * updating mSettings to reflect current status 10000 * persisting settings for later use 10001 * sending a broadcast if necessary 10002 */ 10003 private int deletePackageX(String packageName, int userId, int flags) { 10004 final PackageRemovedInfo info = new PackageRemovedInfo(); 10005 final boolean res; 10006 10007 if (isPackageDeviceAdmin(packageName, userId)) { 10008 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10009 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10010 } 10011 10012 boolean removedForAllUsers = false; 10013 boolean systemUpdate = false; 10014 10015 // for the uninstall-updates case and restricted profiles, remember the per- 10016 // userhandle installed state 10017 int[] allUsers; 10018 boolean[] perUserInstalled; 10019 synchronized (mPackages) { 10020 PackageSetting ps = mSettings.mPackages.get(packageName); 10021 allUsers = sUserManager.getUserIds(); 10022 perUserInstalled = new boolean[allUsers.length]; 10023 for (int i = 0; i < allUsers.length; i++) { 10024 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10025 } 10026 } 10027 10028 synchronized (mInstallLock) { 10029 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10030 res = deletePackageLI(packageName, 10031 (flags & PackageManager.DELETE_ALL_USERS) != 0 10032 ? UserHandle.ALL : new UserHandle(userId), 10033 true, allUsers, perUserInstalled, 10034 flags | REMOVE_CHATTY, info, true); 10035 systemUpdate = info.isRemovedPackageSystemUpdate; 10036 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10037 removedForAllUsers = true; 10038 } 10039 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10040 + " removedForAllUsers=" + removedForAllUsers); 10041 } 10042 10043 if (res) { 10044 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10045 10046 // If the removed package was a system update, the old system package 10047 // was re-enabled; we need to broadcast this information 10048 if (systemUpdate) { 10049 Bundle extras = new Bundle(1); 10050 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10051 ? info.removedAppId : info.uid); 10052 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10053 10054 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10055 extras, null, null, null); 10056 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10057 extras, null, null, null); 10058 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10059 null, packageName, null, null); 10060 } 10061 } 10062 // Force a gc here. 10063 Runtime.getRuntime().gc(); 10064 // Delete the resources here after sending the broadcast to let 10065 // other processes clean up before deleting resources. 10066 if (info.args != null) { 10067 synchronized (mInstallLock) { 10068 info.args.doPostDeleteLI(true); 10069 } 10070 } 10071 10072 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10073 } 10074 10075 static class PackageRemovedInfo { 10076 String removedPackage; 10077 int uid = -1; 10078 int removedAppId = -1; 10079 int[] removedUsers = null; 10080 boolean isRemovedPackageSystemUpdate = false; 10081 // Clean up resources deleted packages. 10082 InstallArgs args = null; 10083 10084 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10085 Bundle extras = new Bundle(1); 10086 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10087 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10088 if (replacing) { 10089 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10090 } 10091 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10092 if (removedPackage != null) { 10093 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10094 extras, null, null, removedUsers); 10095 if (fullRemove && !replacing) { 10096 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10097 extras, null, null, removedUsers); 10098 } 10099 } 10100 if (removedAppId >= 0) { 10101 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10102 removedUsers); 10103 } 10104 } 10105 } 10106 10107 /* 10108 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10109 * flag is not set, the data directory is removed as well. 10110 * make sure this flag is set for partially installed apps. If not its meaningless to 10111 * delete a partially installed application. 10112 */ 10113 private void removePackageDataLI(PackageSetting ps, 10114 int[] allUserHandles, boolean[] perUserInstalled, 10115 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10116 String packageName = ps.name; 10117 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10118 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10119 // Retrieve object to delete permissions for shared user later on 10120 final PackageSetting deletedPs; 10121 // reader 10122 synchronized (mPackages) { 10123 deletedPs = mSettings.mPackages.get(packageName); 10124 if (outInfo != null) { 10125 outInfo.removedPackage = packageName; 10126 outInfo.removedUsers = deletedPs != null 10127 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10128 : null; 10129 } 10130 } 10131 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10132 removeDataDirsLI(packageName); 10133 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10134 } 10135 // writer 10136 synchronized (mPackages) { 10137 if (deletedPs != null) { 10138 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10139 if (outInfo != null) { 10140 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10141 } 10142 if (deletedPs != null) { 10143 updatePermissionsLPw(deletedPs.name, null, 0); 10144 if (deletedPs.sharedUser != null) { 10145 // remove permissions associated with package 10146 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10147 } 10148 } 10149 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10150 } 10151 // make sure to preserve per-user disabled state if this removal was just 10152 // a downgrade of a system app to the factory package 10153 if (allUserHandles != null && perUserInstalled != null) { 10154 if (DEBUG_REMOVE) { 10155 Slog.d(TAG, "Propagating install state across downgrade"); 10156 } 10157 for (int i = 0; i < allUserHandles.length; i++) { 10158 if (DEBUG_REMOVE) { 10159 Slog.d(TAG, " user " + allUserHandles[i] 10160 + " => " + perUserInstalled[i]); 10161 } 10162 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10163 } 10164 } 10165 } 10166 // can downgrade to reader 10167 if (writeSettings) { 10168 // Save settings now 10169 mSettings.writeLPr(); 10170 } 10171 } 10172 if (outInfo != null) { 10173 // A user ID was deleted here. Go through all users and remove it 10174 // from KeyStore. 10175 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10176 } 10177 } 10178 10179 static boolean locationIsPrivileged(File path) { 10180 try { 10181 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10182 .getCanonicalPath(); 10183 return path.getCanonicalPath().startsWith(privilegedAppDir); 10184 } catch (IOException e) { 10185 Slog.e(TAG, "Unable to access code path " + path); 10186 } 10187 return false; 10188 } 10189 10190 /* 10191 * Tries to delete system package. 10192 */ 10193 private boolean deleteSystemPackageLI(PackageSetting newPs, 10194 int[] allUserHandles, boolean[] perUserInstalled, 10195 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10196 final boolean applyUserRestrictions 10197 = (allUserHandles != null) && (perUserInstalled != null); 10198 PackageSetting disabledPs = null; 10199 // Confirm if the system package has been updated 10200 // An updated system app can be deleted. This will also have to restore 10201 // the system pkg from system partition 10202 // reader 10203 synchronized (mPackages) { 10204 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10205 } 10206 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10207 + " disabledPs=" + disabledPs); 10208 if (disabledPs == null) { 10209 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10210 return false; 10211 } else if (DEBUG_REMOVE) { 10212 Slog.d(TAG, "Deleting system pkg from data partition"); 10213 } 10214 if (DEBUG_REMOVE) { 10215 if (applyUserRestrictions) { 10216 Slog.d(TAG, "Remembering install states:"); 10217 for (int i = 0; i < allUserHandles.length; i++) { 10218 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10219 } 10220 } 10221 } 10222 // Delete the updated package 10223 outInfo.isRemovedPackageSystemUpdate = true; 10224 if (disabledPs.versionCode < newPs.versionCode) { 10225 // Delete data for downgrades 10226 flags &= ~PackageManager.DELETE_KEEP_DATA; 10227 } else { 10228 // Preserve data by setting flag 10229 flags |= PackageManager.DELETE_KEEP_DATA; 10230 } 10231 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10232 allUserHandles, perUserInstalled, outInfo, writeSettings); 10233 if (!ret) { 10234 return false; 10235 } 10236 // writer 10237 synchronized (mPackages) { 10238 // Reinstate the old system package 10239 mSettings.enableSystemPackageLPw(newPs.name); 10240 // Remove any native libraries from the upgraded package. 10241 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10242 } 10243 // Install the system package 10244 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10245 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10246 if (locationIsPrivileged(disabledPs.codePath)) { 10247 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10248 } 10249 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10250 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 10251 10252 if (newPkg == null) { 10253 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10254 + " with error:" + mLastScanError); 10255 return false; 10256 } 10257 // writer 10258 synchronized (mPackages) { 10259 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10260 setInternalAppNativeLibraryPath(newPkg, ps); 10261 updatePermissionsLPw(newPkg.packageName, newPkg, 10262 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10263 if (applyUserRestrictions) { 10264 if (DEBUG_REMOVE) { 10265 Slog.d(TAG, "Propagating install state across reinstall"); 10266 } 10267 for (int i = 0; i < allUserHandles.length; i++) { 10268 if (DEBUG_REMOVE) { 10269 Slog.d(TAG, " user " + allUserHandles[i] 10270 + " => " + perUserInstalled[i]); 10271 } 10272 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10273 } 10274 // Regardless of writeSettings we need to ensure that this restriction 10275 // state propagation is persisted 10276 mSettings.writeAllUsersPackageRestrictionsLPr(); 10277 } 10278 // can downgrade to reader here 10279 if (writeSettings) { 10280 mSettings.writeLPr(); 10281 } 10282 } 10283 return true; 10284 } 10285 10286 private boolean deleteInstalledPackageLI(PackageSetting ps, 10287 boolean deleteCodeAndResources, int flags, 10288 int[] allUserHandles, boolean[] perUserInstalled, 10289 PackageRemovedInfo outInfo, boolean writeSettings) { 10290 if (outInfo != null) { 10291 outInfo.uid = ps.appId; 10292 } 10293 10294 // Delete package data from internal structures and also remove data if flag is set 10295 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10296 10297 // Delete application code and resources 10298 if (deleteCodeAndResources && (outInfo != null)) { 10299 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10300 ps.resourcePathString, ps.nativeLibraryPathString, 10301 getAppInstructionSetFromSettings(ps)); 10302 } 10303 return true; 10304 } 10305 10306 /* 10307 * This method handles package deletion in general 10308 */ 10309 private boolean deletePackageLI(String packageName, UserHandle user, 10310 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10311 int flags, PackageRemovedInfo outInfo, 10312 boolean writeSettings) { 10313 if (packageName == null) { 10314 Slog.w(TAG, "Attempt to delete null packageName."); 10315 return false; 10316 } 10317 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10318 PackageSetting ps; 10319 boolean dataOnly = false; 10320 int removeUser = -1; 10321 int appId = -1; 10322 synchronized (mPackages) { 10323 ps = mSettings.mPackages.get(packageName); 10324 if (ps == null) { 10325 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10326 return false; 10327 } 10328 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10329 && user.getIdentifier() != UserHandle.USER_ALL) { 10330 // The caller is asking that the package only be deleted for a single 10331 // user. To do this, we just mark its uninstalled state and delete 10332 // its data. If this is a system app, we only allow this to happen if 10333 // they have set the special DELETE_SYSTEM_APP which requests different 10334 // semantics than normal for uninstalling system apps. 10335 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10336 ps.setUserState(user.getIdentifier(), 10337 COMPONENT_ENABLED_STATE_DEFAULT, 10338 false, //installed 10339 true, //stopped 10340 true, //notLaunched 10341 false, //blocked 10342 null, null, null); 10343 if (!isSystemApp(ps)) { 10344 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10345 // Other user still have this package installed, so all 10346 // we need to do is clear this user's data and save that 10347 // it is uninstalled. 10348 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10349 removeUser = user.getIdentifier(); 10350 appId = ps.appId; 10351 mSettings.writePackageRestrictionsLPr(removeUser); 10352 } else { 10353 // We need to set it back to 'installed' so the uninstall 10354 // broadcasts will be sent correctly. 10355 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10356 ps.setInstalled(true, user.getIdentifier()); 10357 } 10358 } else { 10359 // This is a system app, so we assume that the 10360 // other users still have this package installed, so all 10361 // we need to do is clear this user's data and save that 10362 // it is uninstalled. 10363 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10364 removeUser = user.getIdentifier(); 10365 appId = ps.appId; 10366 mSettings.writePackageRestrictionsLPr(removeUser); 10367 } 10368 } 10369 } 10370 10371 if (removeUser >= 0) { 10372 // From above, we determined that we are deleting this only 10373 // for a single user. Continue the work here. 10374 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10375 if (outInfo != null) { 10376 outInfo.removedPackage = packageName; 10377 outInfo.removedAppId = appId; 10378 outInfo.removedUsers = new int[] {removeUser}; 10379 } 10380 mInstaller.clearUserData(packageName, removeUser); 10381 removeKeystoreDataIfNeeded(removeUser, appId); 10382 schedulePackageCleaning(packageName, removeUser, false); 10383 return true; 10384 } 10385 10386 if (dataOnly) { 10387 // Delete application data first 10388 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10389 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10390 return true; 10391 } 10392 10393 boolean ret = false; 10394 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10395 if (isSystemApp(ps)) { 10396 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10397 // When an updated system application is deleted we delete the existing resources as well and 10398 // fall back to existing code in system partition 10399 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10400 flags, outInfo, writeSettings); 10401 } else { 10402 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10403 // Kill application pre-emptively especially for apps on sd. 10404 killApplication(packageName, ps.appId, "uninstall pkg"); 10405 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10406 allUserHandles, perUserInstalled, 10407 outInfo, writeSettings); 10408 } 10409 10410 return ret; 10411 } 10412 10413 private final class ClearStorageConnection implements ServiceConnection { 10414 IMediaContainerService mContainerService; 10415 10416 @Override 10417 public void onServiceConnected(ComponentName name, IBinder service) { 10418 synchronized (this) { 10419 mContainerService = IMediaContainerService.Stub.asInterface(service); 10420 notifyAll(); 10421 } 10422 } 10423 10424 @Override 10425 public void onServiceDisconnected(ComponentName name) { 10426 } 10427 } 10428 10429 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10430 final boolean mounted; 10431 if (Environment.isExternalStorageEmulated()) { 10432 mounted = true; 10433 } else { 10434 final String status = Environment.getExternalStorageState(); 10435 10436 mounted = status.equals(Environment.MEDIA_MOUNTED) 10437 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10438 } 10439 10440 if (!mounted) { 10441 return; 10442 } 10443 10444 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10445 int[] users; 10446 if (userId == UserHandle.USER_ALL) { 10447 users = sUserManager.getUserIds(); 10448 } else { 10449 users = new int[] { userId }; 10450 } 10451 final ClearStorageConnection conn = new ClearStorageConnection(); 10452 if (mContext.bindServiceAsUser( 10453 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10454 try { 10455 for (int curUser : users) { 10456 long timeout = SystemClock.uptimeMillis() + 5000; 10457 synchronized (conn) { 10458 long now = SystemClock.uptimeMillis(); 10459 while (conn.mContainerService == null && now < timeout) { 10460 try { 10461 conn.wait(timeout - now); 10462 } catch (InterruptedException e) { 10463 } 10464 } 10465 } 10466 if (conn.mContainerService == null) { 10467 return; 10468 } 10469 10470 final UserEnvironment userEnv = new UserEnvironment(curUser); 10471 clearDirectory(conn.mContainerService, 10472 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10473 if (allData) { 10474 clearDirectory(conn.mContainerService, 10475 userEnv.buildExternalStorageAppDataDirs(packageName)); 10476 clearDirectory(conn.mContainerService, 10477 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10478 } 10479 } 10480 } finally { 10481 mContext.unbindService(conn); 10482 } 10483 } 10484 } 10485 10486 @Override 10487 public void clearApplicationUserData(final String packageName, 10488 final IPackageDataObserver observer, final int userId) { 10489 mContext.enforceCallingOrSelfPermission( 10490 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10491 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10492 // Queue up an async operation since the package deletion may take a little while. 10493 mHandler.post(new Runnable() { 10494 public void run() { 10495 mHandler.removeCallbacks(this); 10496 final boolean succeeded; 10497 synchronized (mInstallLock) { 10498 succeeded = clearApplicationUserDataLI(packageName, userId); 10499 } 10500 clearExternalStorageDataSync(packageName, userId, true); 10501 if (succeeded) { 10502 // invoke DeviceStorageMonitor's update method to clear any notifications 10503 DeviceStorageMonitorInternal 10504 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10505 if (dsm != null) { 10506 dsm.checkMemory(); 10507 } 10508 } 10509 if(observer != null) { 10510 try { 10511 observer.onRemoveCompleted(packageName, succeeded); 10512 } catch (RemoteException e) { 10513 Log.i(TAG, "Observer no longer exists."); 10514 } 10515 } //end if observer 10516 } //end run 10517 }); 10518 } 10519 10520 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10521 if (packageName == null) { 10522 Slog.w(TAG, "Attempt to delete null packageName."); 10523 return false; 10524 } 10525 PackageParser.Package p; 10526 boolean dataOnly = false; 10527 final int appId; 10528 synchronized (mPackages) { 10529 p = mPackages.get(packageName); 10530 if (p == null) { 10531 dataOnly = true; 10532 PackageSetting ps = mSettings.mPackages.get(packageName); 10533 if ((ps == null) || (ps.pkg == null)) { 10534 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10535 return false; 10536 } 10537 p = ps.pkg; 10538 } 10539 if (!dataOnly) { 10540 // need to check this only for fully installed applications 10541 if (p == null) { 10542 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10543 return false; 10544 } 10545 final ApplicationInfo applicationInfo = p.applicationInfo; 10546 if (applicationInfo == null) { 10547 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10548 return false; 10549 } 10550 } 10551 if (p != null && p.applicationInfo != null) { 10552 appId = p.applicationInfo.uid; 10553 } else { 10554 appId = -1; 10555 } 10556 } 10557 int retCode = mInstaller.clearUserData(packageName, userId); 10558 if (retCode < 0) { 10559 Slog.w(TAG, "Couldn't remove cache files for package: " 10560 + packageName); 10561 return false; 10562 } 10563 removeKeystoreDataIfNeeded(userId, appId); 10564 return true; 10565 } 10566 10567 /** 10568 * Remove entries from the keystore daemon. Will only remove it if the 10569 * {@code appId} is valid. 10570 */ 10571 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10572 if (appId < 0) { 10573 return; 10574 } 10575 10576 final KeyStore keyStore = KeyStore.getInstance(); 10577 if (keyStore != null) { 10578 if (userId == UserHandle.USER_ALL) { 10579 for (final int individual : sUserManager.getUserIds()) { 10580 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10581 } 10582 } else { 10583 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10584 } 10585 } else { 10586 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10587 } 10588 } 10589 10590 public void deleteApplicationCacheFiles(final String packageName, 10591 final IPackageDataObserver observer) { 10592 mContext.enforceCallingOrSelfPermission( 10593 android.Manifest.permission.DELETE_CACHE_FILES, null); 10594 // Queue up an async operation since the package deletion may take a little while. 10595 final int userId = UserHandle.getCallingUserId(); 10596 mHandler.post(new Runnable() { 10597 public void run() { 10598 mHandler.removeCallbacks(this); 10599 final boolean succeded; 10600 synchronized (mInstallLock) { 10601 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10602 } 10603 clearExternalStorageDataSync(packageName, userId, false); 10604 if(observer != null) { 10605 try { 10606 observer.onRemoveCompleted(packageName, succeded); 10607 } catch (RemoteException e) { 10608 Log.i(TAG, "Observer no longer exists."); 10609 } 10610 } //end if observer 10611 } //end run 10612 }); 10613 } 10614 10615 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10616 if (packageName == null) { 10617 Slog.w(TAG, "Attempt to delete null packageName."); 10618 return false; 10619 } 10620 PackageParser.Package p; 10621 synchronized (mPackages) { 10622 p = mPackages.get(packageName); 10623 } 10624 if (p == null) { 10625 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10626 return false; 10627 } 10628 final ApplicationInfo applicationInfo = p.applicationInfo; 10629 if (applicationInfo == null) { 10630 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10631 return false; 10632 } 10633 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10634 if (retCode < 0) { 10635 Slog.w(TAG, "Couldn't remove cache files for package: " 10636 + packageName + " u" + userId); 10637 return false; 10638 } 10639 return true; 10640 } 10641 10642 public void getPackageSizeInfo(final String packageName, int userHandle, 10643 final IPackageStatsObserver observer) { 10644 mContext.enforceCallingOrSelfPermission( 10645 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10646 if (packageName == null) { 10647 throw new IllegalArgumentException("Attempt to get size of null packageName"); 10648 } 10649 10650 PackageStats stats = new PackageStats(packageName, userHandle); 10651 10652 /* 10653 * Queue up an async operation since the package measurement may take a 10654 * little while. 10655 */ 10656 Message msg = mHandler.obtainMessage(INIT_COPY); 10657 msg.obj = new MeasureParams(stats, observer); 10658 mHandler.sendMessage(msg); 10659 } 10660 10661 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10662 PackageStats pStats) { 10663 if (packageName == null) { 10664 Slog.w(TAG, "Attempt to get size of null packageName."); 10665 return false; 10666 } 10667 PackageParser.Package p; 10668 boolean dataOnly = false; 10669 String libDirPath = null; 10670 String asecPath = null; 10671 PackageSetting ps = null; 10672 synchronized (mPackages) { 10673 p = mPackages.get(packageName); 10674 ps = mSettings.mPackages.get(packageName); 10675 if(p == null) { 10676 dataOnly = true; 10677 if((ps == null) || (ps.pkg == null)) { 10678 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10679 return false; 10680 } 10681 p = ps.pkg; 10682 } 10683 if (ps != null) { 10684 libDirPath = ps.nativeLibraryPathString; 10685 } 10686 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10687 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10688 if (secureContainerId != null) { 10689 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10690 } 10691 } 10692 } 10693 String publicSrcDir = null; 10694 if(!dataOnly) { 10695 final ApplicationInfo applicationInfo = p.applicationInfo; 10696 if (applicationInfo == null) { 10697 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10698 return false; 10699 } 10700 if (isForwardLocked(p)) { 10701 publicSrcDir = applicationInfo.publicSourceDir; 10702 } 10703 } 10704 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10705 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 10706 pStats); 10707 if (res < 0) { 10708 return false; 10709 } 10710 10711 // Fix-up for forward-locked applications in ASEC containers. 10712 if (!isExternal(p)) { 10713 pStats.codeSize += pStats.externalCodeSize; 10714 pStats.externalCodeSize = 0L; 10715 } 10716 10717 return true; 10718 } 10719 10720 10721 public void addPackageToPreferred(String packageName) { 10722 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10723 } 10724 10725 public void removePackageFromPreferred(String packageName) { 10726 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10727 } 10728 10729 public List<PackageInfo> getPreferredPackages(int flags) { 10730 return new ArrayList<PackageInfo>(); 10731 } 10732 10733 private int getUidTargetSdkVersionLockedLPr(int uid) { 10734 Object obj = mSettings.getUserIdLPr(uid); 10735 if (obj instanceof SharedUserSetting) { 10736 final SharedUserSetting sus = (SharedUserSetting) obj; 10737 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10738 final Iterator<PackageSetting> it = sus.packages.iterator(); 10739 while (it.hasNext()) { 10740 final PackageSetting ps = it.next(); 10741 if (ps.pkg != null) { 10742 int v = ps.pkg.applicationInfo.targetSdkVersion; 10743 if (v < vers) vers = v; 10744 } 10745 } 10746 return vers; 10747 } else if (obj instanceof PackageSetting) { 10748 final PackageSetting ps = (PackageSetting) obj; 10749 if (ps.pkg != null) { 10750 return ps.pkg.applicationInfo.targetSdkVersion; 10751 } 10752 } 10753 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10754 } 10755 10756 public void addPreferredActivity(IntentFilter filter, int match, 10757 ComponentName[] set, ComponentName activity, int userId) { 10758 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10759 } 10760 10761 private void addPreferredActivityInternal(IntentFilter filter, int match, 10762 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10763 // writer 10764 int callingUid = Binder.getCallingUid(); 10765 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10766 if (filter.countActions() == 0) { 10767 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10768 return; 10769 } 10770 synchronized (mPackages) { 10771 if (mContext.checkCallingOrSelfPermission( 10772 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10773 != PackageManager.PERMISSION_GRANTED) { 10774 if (getUidTargetSdkVersionLockedLPr(callingUid) 10775 < Build.VERSION_CODES.FROYO) { 10776 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10777 + callingUid); 10778 return; 10779 } 10780 mContext.enforceCallingOrSelfPermission( 10781 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10782 } 10783 10784 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10785 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10786 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10787 new PreferredActivity(filter, match, set, activity, always)); 10788 mSettings.writePackageRestrictionsLPr(userId); 10789 } 10790 } 10791 10792 public void replacePreferredActivity(IntentFilter filter, int match, 10793 ComponentName[] set, ComponentName activity) { 10794 if (filter.countActions() != 1) { 10795 throw new IllegalArgumentException( 10796 "replacePreferredActivity expects filter to have only 1 action."); 10797 } 10798 if (filter.countDataAuthorities() != 0 10799 || filter.countDataPaths() != 0 10800 || filter.countDataSchemes() > 1 10801 || filter.countDataTypes() != 0) { 10802 throw new IllegalArgumentException( 10803 "replacePreferredActivity expects filter to have no data authorities, " + 10804 "paths, or types; and at most one scheme."); 10805 } 10806 synchronized (mPackages) { 10807 if (mContext.checkCallingOrSelfPermission( 10808 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10809 != PackageManager.PERMISSION_GRANTED) { 10810 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10811 < Build.VERSION_CODES.FROYO) { 10812 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10813 + Binder.getCallingUid()); 10814 return; 10815 } 10816 mContext.enforceCallingOrSelfPermission( 10817 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10818 } 10819 10820 final int callingUserId = UserHandle.getCallingUserId(); 10821 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10822 if (pir != null) { 10823 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10824 if (filter.countDataSchemes() == 1) { 10825 Uri.Builder builder = new Uri.Builder(); 10826 builder.scheme(filter.getDataScheme(0)); 10827 intent.setData(builder.build()); 10828 } 10829 List<PreferredActivity> matches = pir.queryIntent( 10830 intent, null, true, callingUserId); 10831 if (DEBUG_PREFERRED) { 10832 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10833 } 10834 for (int i = 0; i < matches.size(); i++) { 10835 PreferredActivity pa = matches.get(i); 10836 if (DEBUG_PREFERRED) { 10837 Slog.i(TAG, "Removing preferred activity " 10838 + pa.mPref.mComponent + ":"); 10839 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10840 } 10841 pir.removeFilter(pa); 10842 } 10843 } 10844 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10845 } 10846 } 10847 10848 public void clearPackagePreferredActivities(String packageName) { 10849 final int uid = Binder.getCallingUid(); 10850 // writer 10851 synchronized (mPackages) { 10852 PackageParser.Package pkg = mPackages.get(packageName); 10853 if (pkg == null || pkg.applicationInfo.uid != uid) { 10854 if (mContext.checkCallingOrSelfPermission( 10855 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10856 != PackageManager.PERMISSION_GRANTED) { 10857 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10858 < Build.VERSION_CODES.FROYO) { 10859 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10860 + Binder.getCallingUid()); 10861 return; 10862 } 10863 mContext.enforceCallingOrSelfPermission( 10864 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10865 } 10866 } 10867 10868 int user = UserHandle.getCallingUserId(); 10869 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10870 mSettings.writePackageRestrictionsLPr(user); 10871 scheduleWriteSettingsLocked(); 10872 } 10873 } 10874 } 10875 10876 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10877 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10878 ArrayList<PreferredActivity> removed = null; 10879 boolean changed = false; 10880 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10881 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10882 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10883 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10884 continue; 10885 } 10886 Iterator<PreferredActivity> it = pir.filterIterator(); 10887 while (it.hasNext()) { 10888 PreferredActivity pa = it.next(); 10889 // Mark entry for removal only if it matches the package name 10890 // and the entry is of type "always". 10891 if (packageName == null || 10892 (pa.mPref.mComponent.getPackageName().equals(packageName) 10893 && pa.mPref.mAlways)) { 10894 if (removed == null) { 10895 removed = new ArrayList<PreferredActivity>(); 10896 } 10897 removed.add(pa); 10898 } 10899 } 10900 if (removed != null) { 10901 for (int j=0; j<removed.size(); j++) { 10902 PreferredActivity pa = removed.get(j); 10903 pir.removeFilter(pa); 10904 } 10905 changed = true; 10906 } 10907 } 10908 return changed; 10909 } 10910 10911 public void resetPreferredActivities(int userId) { 10912 mContext.enforceCallingOrSelfPermission( 10913 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10914 // writer 10915 synchronized (mPackages) { 10916 int user = UserHandle.getCallingUserId(); 10917 clearPackagePreferredActivitiesLPw(null, user); 10918 mSettings.readDefaultPreferredAppsLPw(this, user); 10919 mSettings.writePackageRestrictionsLPr(user); 10920 scheduleWriteSettingsLocked(); 10921 } 10922 } 10923 10924 public int getPreferredActivities(List<IntentFilter> outFilters, 10925 List<ComponentName> outActivities, String packageName) { 10926 10927 int num = 0; 10928 final int userId = UserHandle.getCallingUserId(); 10929 // reader 10930 synchronized (mPackages) { 10931 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10932 if (pir != null) { 10933 final Iterator<PreferredActivity> it = pir.filterIterator(); 10934 while (it.hasNext()) { 10935 final PreferredActivity pa = it.next(); 10936 if (packageName == null 10937 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10938 && pa.mPref.mAlways)) { 10939 if (outFilters != null) { 10940 outFilters.add(new IntentFilter(pa)); 10941 } 10942 if (outActivities != null) { 10943 outActivities.add(pa.mPref.mComponent); 10944 } 10945 } 10946 } 10947 } 10948 } 10949 10950 return num; 10951 } 10952 10953 @Override 10954 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 10955 int userId) { 10956 int callingUid = Binder.getCallingUid(); 10957 if (callingUid != Process.SYSTEM_UID) { 10958 throw new SecurityException( 10959 "addPersistentPreferredActivity can only be run by the system"); 10960 } 10961 if (filter.countActions() == 0) { 10962 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10963 return; 10964 } 10965 synchronized (mPackages) { 10966 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 10967 " :"); 10968 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10969 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 10970 new PersistentPreferredActivity(filter, activity)); 10971 mSettings.writePackageRestrictionsLPr(userId); 10972 } 10973 } 10974 10975 @Override 10976 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 10977 int callingUid = Binder.getCallingUid(); 10978 if (callingUid != Process.SYSTEM_UID) { 10979 throw new SecurityException( 10980 "clearPackagePersistentPreferredActivities can only be run by the system"); 10981 } 10982 ArrayList<PersistentPreferredActivity> removed = null; 10983 boolean changed = false; 10984 synchronized (mPackages) { 10985 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 10986 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 10987 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 10988 .valueAt(i); 10989 if (userId != thisUserId) { 10990 continue; 10991 } 10992 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 10993 while (it.hasNext()) { 10994 PersistentPreferredActivity ppa = it.next(); 10995 // Mark entry for removal only if it matches the package name. 10996 if (ppa.mComponent.getPackageName().equals(packageName)) { 10997 if (removed == null) { 10998 removed = new ArrayList<PersistentPreferredActivity>(); 10999 } 11000 removed.add(ppa); 11001 } 11002 } 11003 if (removed != null) { 11004 for (int j=0; j<removed.size(); j++) { 11005 PersistentPreferredActivity ppa = removed.get(j); 11006 ppir.removeFilter(ppa); 11007 } 11008 changed = true; 11009 } 11010 } 11011 11012 if (changed) { 11013 mSettings.writePackageRestrictionsLPr(userId); 11014 } 11015 } 11016 } 11017 11018 @Override 11019 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11020 Intent intent = new Intent(Intent.ACTION_MAIN); 11021 intent.addCategory(Intent.CATEGORY_HOME); 11022 11023 final int callingUserId = UserHandle.getCallingUserId(); 11024 List<ResolveInfo> list = queryIntentActivities(intent, null, 11025 PackageManager.GET_META_DATA, callingUserId); 11026 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11027 true, false, false, callingUserId); 11028 11029 allHomeCandidates.clear(); 11030 if (list != null) { 11031 for (ResolveInfo ri : list) { 11032 allHomeCandidates.add(ri); 11033 } 11034 } 11035 return (preferred == null || preferred.activityInfo == null) 11036 ? null 11037 : new ComponentName(preferred.activityInfo.packageName, 11038 preferred.activityInfo.name); 11039 } 11040 11041 @Override 11042 public void setApplicationEnabledSetting(String appPackageName, 11043 int newState, int flags, int userId, String callingPackage) { 11044 if (!sUserManager.exists(userId)) return; 11045 if (callingPackage == null) { 11046 callingPackage = Integer.toString(Binder.getCallingUid()); 11047 } 11048 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11049 } 11050 11051 @Override 11052 public void setComponentEnabledSetting(ComponentName componentName, 11053 int newState, int flags, int userId) { 11054 if (!sUserManager.exists(userId)) return; 11055 setEnabledSetting(componentName.getPackageName(), 11056 componentName.getClassName(), newState, flags, userId, null); 11057 } 11058 11059 private void setEnabledSetting(final String packageName, String className, int newState, 11060 final int flags, int userId, String callingPackage) { 11061 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11062 || newState == COMPONENT_ENABLED_STATE_ENABLED 11063 || newState == COMPONENT_ENABLED_STATE_DISABLED 11064 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11065 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11066 throw new IllegalArgumentException("Invalid new component state: " 11067 + newState); 11068 } 11069 PackageSetting pkgSetting; 11070 final int uid = Binder.getCallingUid(); 11071 final int permission = mContext.checkCallingOrSelfPermission( 11072 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11073 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11074 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11075 boolean sendNow = false; 11076 boolean isApp = (className == null); 11077 String componentName = isApp ? packageName : className; 11078 int packageUid = -1; 11079 ArrayList<String> components; 11080 11081 // writer 11082 synchronized (mPackages) { 11083 pkgSetting = mSettings.mPackages.get(packageName); 11084 if (pkgSetting == null) { 11085 if (className == null) { 11086 throw new IllegalArgumentException( 11087 "Unknown package: " + packageName); 11088 } 11089 throw new IllegalArgumentException( 11090 "Unknown component: " + packageName 11091 + "/" + className); 11092 } 11093 // Allow root and verify that userId is not being specified by a different user 11094 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11095 throw new SecurityException( 11096 "Permission Denial: attempt to change component state from pid=" 11097 + Binder.getCallingPid() 11098 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11099 } 11100 if (className == null) { 11101 // We're dealing with an application/package level state change 11102 if (pkgSetting.getEnabled(userId) == newState) { 11103 // Nothing to do 11104 return; 11105 } 11106 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11107 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11108 // Don't care about who enables an app. 11109 callingPackage = null; 11110 } 11111 pkgSetting.setEnabled(newState, userId, callingPackage); 11112 // pkgSetting.pkg.mSetEnabled = newState; 11113 } else { 11114 // We're dealing with a component level state change 11115 // First, verify that this is a valid class name. 11116 PackageParser.Package pkg = pkgSetting.pkg; 11117 if (pkg == null || !pkg.hasComponentClassName(className)) { 11118 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11119 throw new IllegalArgumentException("Component class " + className 11120 + " does not exist in " + packageName); 11121 } else { 11122 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11123 + className + " does not exist in " + packageName); 11124 } 11125 } 11126 switch (newState) { 11127 case COMPONENT_ENABLED_STATE_ENABLED: 11128 if (!pkgSetting.enableComponentLPw(className, userId)) { 11129 return; 11130 } 11131 break; 11132 case COMPONENT_ENABLED_STATE_DISABLED: 11133 if (!pkgSetting.disableComponentLPw(className, userId)) { 11134 return; 11135 } 11136 break; 11137 case COMPONENT_ENABLED_STATE_DEFAULT: 11138 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11139 return; 11140 } 11141 break; 11142 default: 11143 Slog.e(TAG, "Invalid new component state: " + newState); 11144 return; 11145 } 11146 } 11147 mSettings.writePackageRestrictionsLPr(userId); 11148 components = mPendingBroadcasts.get(userId, packageName); 11149 final boolean newPackage = components == null; 11150 if (newPackage) { 11151 components = new ArrayList<String>(); 11152 } 11153 if (!components.contains(componentName)) { 11154 components.add(componentName); 11155 } 11156 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11157 sendNow = true; 11158 // Purge entry from pending broadcast list if another one exists already 11159 // since we are sending one right away. 11160 mPendingBroadcasts.remove(userId, packageName); 11161 } else { 11162 if (newPackage) { 11163 mPendingBroadcasts.put(userId, packageName, components); 11164 } 11165 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11166 // Schedule a message 11167 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11168 } 11169 } 11170 } 11171 11172 long callingId = Binder.clearCallingIdentity(); 11173 try { 11174 if (sendNow) { 11175 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11176 sendPackageChangedBroadcast(packageName, 11177 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11178 } 11179 } finally { 11180 Binder.restoreCallingIdentity(callingId); 11181 } 11182 } 11183 11184 private void sendPackageChangedBroadcast(String packageName, 11185 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11186 if (DEBUG_INSTALL) 11187 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11188 + componentNames); 11189 Bundle extras = new Bundle(4); 11190 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11191 String nameList[] = new String[componentNames.size()]; 11192 componentNames.toArray(nameList); 11193 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11194 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11195 extras.putInt(Intent.EXTRA_UID, packageUid); 11196 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11197 new int[] {UserHandle.getUserId(packageUid)}); 11198 } 11199 11200 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11201 if (!sUserManager.exists(userId)) return; 11202 final int uid = Binder.getCallingUid(); 11203 final int permission = mContext.checkCallingOrSelfPermission( 11204 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11205 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11206 enforceCrossUserPermission(uid, userId, true, "stop package"); 11207 // writer 11208 synchronized (mPackages) { 11209 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11210 uid, userId)) { 11211 scheduleWritePackageRestrictionsLocked(userId); 11212 } 11213 } 11214 } 11215 11216 public String getInstallerPackageName(String packageName) { 11217 // reader 11218 synchronized (mPackages) { 11219 return mSettings.getInstallerPackageNameLPr(packageName); 11220 } 11221 } 11222 11223 @Override 11224 public int getApplicationEnabledSetting(String packageName, int userId) { 11225 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11226 int uid = Binder.getCallingUid(); 11227 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11228 // reader 11229 synchronized (mPackages) { 11230 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11231 } 11232 } 11233 11234 @Override 11235 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11236 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11237 int uid = Binder.getCallingUid(); 11238 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11239 // reader 11240 synchronized (mPackages) { 11241 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11242 } 11243 } 11244 11245 public void enterSafeMode() { 11246 enforceSystemOrRoot("Only the system can request entering safe mode"); 11247 11248 if (!mSystemReady) { 11249 mSafeMode = true; 11250 } 11251 } 11252 11253 public void systemReady() { 11254 mSystemReady = true; 11255 11256 // Read the compatibilty setting when the system is ready. 11257 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11258 mContext.getContentResolver(), 11259 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11260 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11261 if (DEBUG_SETTINGS) { 11262 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11263 } 11264 11265 synchronized (mPackages) { 11266 // Verify that all of the preferred activity components actually 11267 // exist. It is possible for applications to be updated and at 11268 // that point remove a previously declared activity component that 11269 // had been set as a preferred activity. We try to clean this up 11270 // the next time we encounter that preferred activity, but it is 11271 // possible for the user flow to never be able to return to that 11272 // situation so here we do a sanity check to make sure we haven't 11273 // left any junk around. 11274 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11275 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11276 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11277 removed.clear(); 11278 for (PreferredActivity pa : pir.filterSet()) { 11279 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11280 removed.add(pa); 11281 } 11282 } 11283 if (removed.size() > 0) { 11284 for (int j=0; j<removed.size(); j++) { 11285 PreferredActivity pa = removed.get(i); 11286 Slog.w(TAG, "Removing dangling preferred activity: " 11287 + pa.mPref.mComponent); 11288 pir.removeFilter(pa); 11289 } 11290 mSettings.writePackageRestrictionsLPr( 11291 mSettings.mPreferredActivities.keyAt(i)); 11292 } 11293 } 11294 } 11295 sUserManager.systemReady(); 11296 } 11297 11298 public boolean isSafeMode() { 11299 return mSafeMode; 11300 } 11301 11302 public boolean hasSystemUidErrors() { 11303 return mHasSystemUidErrors; 11304 } 11305 11306 static String arrayToString(int[] array) { 11307 StringBuffer buf = new StringBuffer(128); 11308 buf.append('['); 11309 if (array != null) { 11310 for (int i=0; i<array.length; i++) { 11311 if (i > 0) buf.append(", "); 11312 buf.append(array[i]); 11313 } 11314 } 11315 buf.append(']'); 11316 return buf.toString(); 11317 } 11318 11319 static class DumpState { 11320 public static final int DUMP_LIBS = 1 << 0; 11321 11322 public static final int DUMP_FEATURES = 1 << 1; 11323 11324 public static final int DUMP_RESOLVERS = 1 << 2; 11325 11326 public static final int DUMP_PERMISSIONS = 1 << 3; 11327 11328 public static final int DUMP_PACKAGES = 1 << 4; 11329 11330 public static final int DUMP_SHARED_USERS = 1 << 5; 11331 11332 public static final int DUMP_MESSAGES = 1 << 6; 11333 11334 public static final int DUMP_PROVIDERS = 1 << 7; 11335 11336 public static final int DUMP_VERIFIERS = 1 << 8; 11337 11338 public static final int DUMP_PREFERRED = 1 << 9; 11339 11340 public static final int DUMP_PREFERRED_XML = 1 << 10; 11341 11342 public static final int DUMP_KEYSETS = 1 << 11; 11343 11344 public static final int DUMP_VERSION = 1 << 12; 11345 11346 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11347 11348 private int mTypes; 11349 11350 private int mOptions; 11351 11352 private boolean mTitlePrinted; 11353 11354 private SharedUserSetting mSharedUser; 11355 11356 public boolean isDumping(int type) { 11357 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11358 return true; 11359 } 11360 11361 return (mTypes & type) != 0; 11362 } 11363 11364 public void setDump(int type) { 11365 mTypes |= type; 11366 } 11367 11368 public boolean isOptionEnabled(int option) { 11369 return (mOptions & option) != 0; 11370 } 11371 11372 public void setOptionEnabled(int option) { 11373 mOptions |= option; 11374 } 11375 11376 public boolean onTitlePrinted() { 11377 final boolean printed = mTitlePrinted; 11378 mTitlePrinted = true; 11379 return printed; 11380 } 11381 11382 public boolean getTitlePrinted() { 11383 return mTitlePrinted; 11384 } 11385 11386 public void setTitlePrinted(boolean enabled) { 11387 mTitlePrinted = enabled; 11388 } 11389 11390 public SharedUserSetting getSharedUser() { 11391 return mSharedUser; 11392 } 11393 11394 public void setSharedUser(SharedUserSetting user) { 11395 mSharedUser = user; 11396 } 11397 } 11398 11399 @Override 11400 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11401 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11402 != PackageManager.PERMISSION_GRANTED) { 11403 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11404 + Binder.getCallingPid() 11405 + ", uid=" + Binder.getCallingUid() 11406 + " without permission " 11407 + android.Manifest.permission.DUMP); 11408 return; 11409 } 11410 11411 DumpState dumpState = new DumpState(); 11412 boolean fullPreferred = false; 11413 boolean checkin = false; 11414 11415 String packageName = null; 11416 11417 int opti = 0; 11418 while (opti < args.length) { 11419 String opt = args[opti]; 11420 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11421 break; 11422 } 11423 opti++; 11424 if ("-a".equals(opt)) { 11425 // Right now we only know how to print all. 11426 } else if ("-h".equals(opt)) { 11427 pw.println("Package manager dump options:"); 11428 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11429 pw.println(" --checkin: dump for a checkin"); 11430 pw.println(" -f: print details of intent filters"); 11431 pw.println(" -h: print this help"); 11432 pw.println(" cmd may be one of:"); 11433 pw.println(" l[ibraries]: list known shared libraries"); 11434 pw.println(" f[ibraries]: list device features"); 11435 pw.println(" r[esolvers]: dump intent resolvers"); 11436 pw.println(" perm[issions]: dump permissions"); 11437 pw.println(" pref[erred]: print preferred package settings"); 11438 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11439 pw.println(" prov[iders]: dump content providers"); 11440 pw.println(" p[ackages]: dump installed packages"); 11441 pw.println(" s[hared-users]: dump shared user IDs"); 11442 pw.println(" m[essages]: print collected runtime messages"); 11443 pw.println(" v[erifiers]: print package verifier info"); 11444 pw.println(" version: print database version info"); 11445 pw.println(" <package.name>: info about given package"); 11446 pw.println(" k[eysets]: print known keysets"); 11447 return; 11448 } else if ("--checkin".equals(opt)) { 11449 checkin = true; 11450 } else if ("-f".equals(opt)) { 11451 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11452 } else { 11453 pw.println("Unknown argument: " + opt + "; use -h for help"); 11454 } 11455 } 11456 11457 // Is the caller requesting to dump a particular piece of data? 11458 if (opti < args.length) { 11459 String cmd = args[opti]; 11460 opti++; 11461 // Is this a package name? 11462 if ("android".equals(cmd) || cmd.contains(".")) { 11463 packageName = cmd; 11464 // When dumping a single package, we always dump all of its 11465 // filter information since the amount of data will be reasonable. 11466 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11467 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11468 dumpState.setDump(DumpState.DUMP_LIBS); 11469 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11470 dumpState.setDump(DumpState.DUMP_FEATURES); 11471 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11472 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11473 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11474 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11475 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11476 dumpState.setDump(DumpState.DUMP_PREFERRED); 11477 } else if ("preferred-xml".equals(cmd)) { 11478 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 11479 if (opti < args.length && "--full".equals(args[opti])) { 11480 fullPreferred = true; 11481 opti++; 11482 } 11483 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 11484 dumpState.setDump(DumpState.DUMP_PACKAGES); 11485 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 11486 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 11487 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 11488 dumpState.setDump(DumpState.DUMP_PROVIDERS); 11489 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 11490 dumpState.setDump(DumpState.DUMP_MESSAGES); 11491 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 11492 dumpState.setDump(DumpState.DUMP_VERIFIERS); 11493 } else if ("version".equals(cmd)) { 11494 dumpState.setDump(DumpState.DUMP_VERSION); 11495 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 11496 dumpState.setDump(DumpState.DUMP_KEYSETS); 11497 } 11498 } 11499 11500 if (checkin) { 11501 pw.println("vers,1"); 11502 } 11503 11504 // reader 11505 synchronized (mPackages) { 11506 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 11507 if (!checkin) { 11508 if (dumpState.onTitlePrinted()) 11509 pw.println(); 11510 pw.println("Database versions:"); 11511 pw.print(" SDK Version:"); 11512 pw.print(" internal="); 11513 pw.print(mSettings.mInternalSdkPlatform); 11514 pw.print(" external="); 11515 pw.println(mSettings.mExternalSdkPlatform); 11516 pw.print(" DB Version:"); 11517 pw.print(" internal="); 11518 pw.print(mSettings.mInternalDatabaseVersion); 11519 pw.print(" external="); 11520 pw.println(mSettings.mExternalDatabaseVersion); 11521 } 11522 } 11523 11524 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 11525 if (!checkin) { 11526 if (dumpState.onTitlePrinted()) 11527 pw.println(); 11528 pw.println("Verifiers:"); 11529 pw.print(" Required: "); 11530 pw.print(mRequiredVerifierPackage); 11531 pw.print(" (uid="); 11532 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 11533 pw.println(")"); 11534 } else if (mRequiredVerifierPackage != null) { 11535 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 11536 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 11537 } 11538 } 11539 11540 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 11541 boolean printedHeader = false; 11542 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 11543 while (it.hasNext()) { 11544 String name = it.next(); 11545 SharedLibraryEntry ent = mSharedLibraries.get(name); 11546 if (!checkin) { 11547 if (!printedHeader) { 11548 if (dumpState.onTitlePrinted()) 11549 pw.println(); 11550 pw.println("Libraries:"); 11551 printedHeader = true; 11552 } 11553 pw.print(" "); 11554 } else { 11555 pw.print("lib,"); 11556 } 11557 pw.print(name); 11558 if (!checkin) { 11559 pw.print(" -> "); 11560 } 11561 if (ent.path != null) { 11562 if (!checkin) { 11563 pw.print("(jar) "); 11564 pw.print(ent.path); 11565 } else { 11566 pw.print(",jar,"); 11567 pw.print(ent.path); 11568 } 11569 } else { 11570 if (!checkin) { 11571 pw.print("(apk) "); 11572 pw.print(ent.apk); 11573 } else { 11574 pw.print(",apk,"); 11575 pw.print(ent.apk); 11576 } 11577 } 11578 pw.println(); 11579 } 11580 } 11581 11582 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11583 if (dumpState.onTitlePrinted()) 11584 pw.println(); 11585 if (!checkin) { 11586 pw.println("Features:"); 11587 } 11588 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11589 while (it.hasNext()) { 11590 String name = it.next(); 11591 if (!checkin) { 11592 pw.print(" "); 11593 } else { 11594 pw.print("feat,"); 11595 } 11596 pw.println(name); 11597 } 11598 } 11599 11600 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 11601 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 11602 : "Activity Resolver Table:", " ", packageName, 11603 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11604 dumpState.setTitlePrinted(true); 11605 } 11606 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 11607 : "Receiver Resolver Table:", " ", packageName, 11608 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11609 dumpState.setTitlePrinted(true); 11610 } 11611 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11612 : "Service Resolver Table:", " ", packageName, 11613 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11614 dumpState.setTitlePrinted(true); 11615 } 11616 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11617 : "Provider Resolver Table:", " ", packageName, 11618 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11619 dumpState.setTitlePrinted(true); 11620 } 11621 } 11622 11623 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11624 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11625 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11626 int user = mSettings.mPreferredActivities.keyAt(i); 11627 if (pir.dump(pw, 11628 dumpState.getTitlePrinted() 11629 ? "\nPreferred Activities User " + user + ":" 11630 : "Preferred Activities User " + user + ":", " ", 11631 packageName, true)) { 11632 dumpState.setTitlePrinted(true); 11633 } 11634 } 11635 } 11636 11637 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11638 pw.flush(); 11639 FileOutputStream fout = new FileOutputStream(fd); 11640 BufferedOutputStream str = new BufferedOutputStream(fout); 11641 XmlSerializer serializer = new FastXmlSerializer(); 11642 try { 11643 serializer.setOutput(str, "utf-8"); 11644 serializer.startDocument(null, true); 11645 serializer.setFeature( 11646 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11647 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11648 serializer.endDocument(); 11649 serializer.flush(); 11650 } catch (IllegalArgumentException e) { 11651 pw.println("Failed writing: " + e); 11652 } catch (IllegalStateException e) { 11653 pw.println("Failed writing: " + e); 11654 } catch (IOException e) { 11655 pw.println("Failed writing: " + e); 11656 } 11657 } 11658 11659 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11660 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11661 } 11662 11663 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11664 boolean printedSomething = false; 11665 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11666 if (packageName != null && !packageName.equals(p.info.packageName)) { 11667 continue; 11668 } 11669 if (!printedSomething) { 11670 if (dumpState.onTitlePrinted()) 11671 pw.println(); 11672 pw.println("Registered ContentProviders:"); 11673 printedSomething = true; 11674 } 11675 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11676 pw.print(" "); pw.println(p.toString()); 11677 } 11678 printedSomething = false; 11679 for (Map.Entry<String, PackageParser.Provider> entry : 11680 mProvidersByAuthority.entrySet()) { 11681 PackageParser.Provider p = entry.getValue(); 11682 if (packageName != null && !packageName.equals(p.info.packageName)) { 11683 continue; 11684 } 11685 if (!printedSomething) { 11686 if (dumpState.onTitlePrinted()) 11687 pw.println(); 11688 pw.println("ContentProvider Authorities:"); 11689 printedSomething = true; 11690 } 11691 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11692 pw.print(" "); pw.println(p.toString()); 11693 if (p.info != null && p.info.applicationInfo != null) { 11694 final String appInfo = p.info.applicationInfo.toString(); 11695 pw.print(" applicationInfo="); pw.println(appInfo); 11696 } 11697 } 11698 } 11699 11700 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11701 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11702 } 11703 11704 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11705 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11706 } 11707 11708 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11709 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11710 } 11711 11712 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11713 if (dumpState.onTitlePrinted()) 11714 pw.println(); 11715 mSettings.dumpReadMessagesLPr(pw, dumpState); 11716 11717 pw.println(); 11718 pw.println("Package warning messages:"); 11719 final File fname = getSettingsProblemFile(); 11720 FileInputStream in = null; 11721 try { 11722 in = new FileInputStream(fname); 11723 final int avail = in.available(); 11724 final byte[] data = new byte[avail]; 11725 in.read(data); 11726 pw.print(new String(data)); 11727 } catch (FileNotFoundException e) { 11728 } catch (IOException e) { 11729 } finally { 11730 if (in != null) { 11731 try { 11732 in.close(); 11733 } catch (IOException e) { 11734 } 11735 } 11736 } 11737 } 11738 } 11739 } 11740 11741 // ------- apps on sdcard specific code ------- 11742 static final boolean DEBUG_SD_INSTALL = false; 11743 11744 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11745 11746 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11747 11748 private boolean mMediaMounted = false; 11749 11750 private String getEncryptKey() { 11751 try { 11752 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11753 SD_ENCRYPTION_KEYSTORE_NAME); 11754 if (sdEncKey == null) { 11755 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11756 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11757 if (sdEncKey == null) { 11758 Slog.e(TAG, "Failed to create encryption keys"); 11759 return null; 11760 } 11761 } 11762 return sdEncKey; 11763 } catch (NoSuchAlgorithmException nsae) { 11764 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11765 return null; 11766 } catch (IOException ioe) { 11767 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11768 return null; 11769 } 11770 11771 } 11772 11773 /* package */static String getTempContainerId() { 11774 int tmpIdx = 1; 11775 String list[] = PackageHelper.getSecureContainerList(); 11776 if (list != null) { 11777 for (final String name : list) { 11778 // Ignore null and non-temporary container entries 11779 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11780 continue; 11781 } 11782 11783 String subStr = name.substring(mTempContainerPrefix.length()); 11784 try { 11785 int cid = Integer.parseInt(subStr); 11786 if (cid >= tmpIdx) { 11787 tmpIdx = cid + 1; 11788 } 11789 } catch (NumberFormatException e) { 11790 } 11791 } 11792 } 11793 return mTempContainerPrefix + tmpIdx; 11794 } 11795 11796 /* 11797 * Update media status on PackageManager. 11798 */ 11799 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11800 int callingUid = Binder.getCallingUid(); 11801 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11802 throw new SecurityException("Media status can only be updated by the system"); 11803 } 11804 // reader; this apparently protects mMediaMounted, but should probably 11805 // be a different lock in that case. 11806 synchronized (mPackages) { 11807 Log.i(TAG, "Updating external media status from " 11808 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11809 + (mediaStatus ? "mounted" : "unmounted")); 11810 if (DEBUG_SD_INSTALL) 11811 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11812 + ", mMediaMounted=" + mMediaMounted); 11813 if (mediaStatus == mMediaMounted) { 11814 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11815 : 0, -1); 11816 mHandler.sendMessage(msg); 11817 return; 11818 } 11819 mMediaMounted = mediaStatus; 11820 } 11821 // Queue up an async operation since the package installation may take a 11822 // little while. 11823 mHandler.post(new Runnable() { 11824 public void run() { 11825 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11826 } 11827 }); 11828 } 11829 11830 /** 11831 * Called by MountService when the initial ASECs to scan are available. 11832 * Should block until all the ASEC containers are finished being scanned. 11833 */ 11834 public void scanAvailableAsecs() { 11835 updateExternalMediaStatusInner(true, false, false); 11836 if (mShouldRestoreconData) { 11837 SELinuxMMAC.setRestoreconDone(); 11838 mShouldRestoreconData = false; 11839 } 11840 } 11841 11842 /* 11843 * Collect information of applications on external media, map them against 11844 * existing containers and update information based on current mount status. 11845 * Please note that we always have to report status if reportStatus has been 11846 * set to true especially when unloading packages. 11847 */ 11848 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11849 boolean externalStorage) { 11850 // Collection of uids 11851 int uidArr[] = null; 11852 // Collection of stale containers 11853 HashSet<String> removeCids = new HashSet<String>(); 11854 // Collection of packages on external media with valid containers. 11855 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11856 // Get list of secure containers. 11857 final String list[] = PackageHelper.getSecureContainerList(); 11858 if (list == null || list.length == 0) { 11859 Log.i(TAG, "No secure containers on sdcard"); 11860 } else { 11861 // Process list of secure containers and categorize them 11862 // as active or stale based on their package internal state. 11863 int uidList[] = new int[list.length]; 11864 int num = 0; 11865 // reader 11866 synchronized (mPackages) { 11867 for (String cid : list) { 11868 if (DEBUG_SD_INSTALL) 11869 Log.i(TAG, "Processing container " + cid); 11870 String pkgName = getAsecPackageName(cid); 11871 if (pkgName == null) { 11872 if (DEBUG_SD_INSTALL) 11873 Log.i(TAG, "Container : " + cid + " stale"); 11874 removeCids.add(cid); 11875 continue; 11876 } 11877 if (DEBUG_SD_INSTALL) 11878 Log.i(TAG, "Looking for pkg : " + pkgName); 11879 11880 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11881 if (ps == null) { 11882 Log.i(TAG, "Deleting container with no matching settings " + cid); 11883 removeCids.add(cid); 11884 continue; 11885 } 11886 11887 /* 11888 * Skip packages that are not external if we're unmounting 11889 * external storage. 11890 */ 11891 if (externalStorage && !isMounted && !isExternal(ps)) { 11892 continue; 11893 } 11894 11895 final AsecInstallArgs args = new AsecInstallArgs(cid, 11896 getAppInstructionSetFromSettings(ps), 11897 isForwardLocked(ps)); 11898 // The package status is changed only if the code path 11899 // matches between settings and the container id. 11900 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11901 if (DEBUG_SD_INSTALL) { 11902 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11903 + " at code path: " + ps.codePathString); 11904 } 11905 11906 // We do have a valid package installed on sdcard 11907 processCids.put(args, ps.codePathString); 11908 final int uid = ps.appId; 11909 if (uid != -1) { 11910 uidList[num++] = uid; 11911 } 11912 } else { 11913 Log.i(TAG, "Deleting stale container for " + cid); 11914 removeCids.add(cid); 11915 } 11916 } 11917 } 11918 11919 if (num > 0) { 11920 // Sort uid list 11921 Arrays.sort(uidList, 0, num); 11922 // Throw away duplicates 11923 uidArr = new int[num]; 11924 uidArr[0] = uidList[0]; 11925 int di = 0; 11926 for (int i = 1; i < num; i++) { 11927 if (uidList[i - 1] != uidList[i]) { 11928 uidArr[di++] = uidList[i]; 11929 } 11930 } 11931 } 11932 } 11933 // Process packages with valid entries. 11934 if (isMounted) { 11935 if (DEBUG_SD_INSTALL) 11936 Log.i(TAG, "Loading packages"); 11937 loadMediaPackages(processCids, uidArr, removeCids); 11938 startCleaningPackages(); 11939 } else { 11940 if (DEBUG_SD_INSTALL) 11941 Log.i(TAG, "Unloading packages"); 11942 unloadMediaPackages(processCids, uidArr, reportStatus); 11943 } 11944 } 11945 11946 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11947 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11948 int size = pkgList.size(); 11949 if (size > 0) { 11950 // Send broadcasts here 11951 Bundle extras = new Bundle(); 11952 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11953 .toArray(new String[size])); 11954 if (uidArr != null) { 11955 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11956 } 11957 if (replacing) { 11958 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11959 } 11960 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11961 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11962 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11963 } 11964 } 11965 11966 /* 11967 * Look at potentially valid container ids from processCids If package 11968 * information doesn't match the one on record or package scanning fails, 11969 * the cid is added to list of removeCids. We currently don't delete stale 11970 * containers. 11971 */ 11972 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11973 HashSet<String> removeCids) { 11974 ArrayList<String> pkgList = new ArrayList<String>(); 11975 Set<AsecInstallArgs> keys = processCids.keySet(); 11976 boolean doGc = false; 11977 for (AsecInstallArgs args : keys) { 11978 String codePath = processCids.get(args); 11979 if (DEBUG_SD_INSTALL) 11980 Log.i(TAG, "Loading container : " + args.cid); 11981 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11982 try { 11983 // Make sure there are no container errors first. 11984 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11985 Slog.e(TAG, "Failed to mount cid : " + args.cid 11986 + " when installing from sdcard"); 11987 continue; 11988 } 11989 // Check code path here. 11990 if (codePath == null || !codePath.equals(args.getCodePath())) { 11991 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11992 + " does not match one in settings " + codePath); 11993 continue; 11994 } 11995 // Parse package 11996 int parseFlags = mDefParseFlags; 11997 if (args.isExternal()) { 11998 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11999 } 12000 if (args.isFwdLocked()) { 12001 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12002 } 12003 12004 doGc = true; 12005 synchronized (mInstallLock) { 12006 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12007 0, 0, null); 12008 // Scan the package 12009 if (pkg != null) { 12010 /* 12011 * TODO why is the lock being held? doPostInstall is 12012 * called in other places without the lock. This needs 12013 * to be straightened out. 12014 */ 12015 // writer 12016 synchronized (mPackages) { 12017 retCode = PackageManager.INSTALL_SUCCEEDED; 12018 pkgList.add(pkg.packageName); 12019 // Post process args 12020 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12021 pkg.applicationInfo.uid); 12022 } 12023 } else { 12024 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12025 } 12026 } 12027 12028 } finally { 12029 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12030 // Don't destroy container here. Wait till gc clears things 12031 // up. 12032 removeCids.add(args.cid); 12033 } 12034 } 12035 } 12036 // writer 12037 synchronized (mPackages) { 12038 // If the platform SDK has changed since the last time we booted, 12039 // we need to re-grant app permission to catch any new ones that 12040 // appear. This is really a hack, and means that apps can in some 12041 // cases get permissions that the user didn't initially explicitly 12042 // allow... it would be nice to have some better way to handle 12043 // this situation. 12044 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12045 if (regrantPermissions) 12046 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12047 + mSdkVersion + "; regranting permissions for external storage"); 12048 mSettings.mExternalSdkPlatform = mSdkVersion; 12049 12050 // Make sure group IDs have been assigned, and any permission 12051 // changes in other apps are accounted for 12052 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12053 | (regrantPermissions 12054 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12055 : 0)); 12056 12057 mSettings.updateExternalDatabaseVersion(); 12058 12059 // can downgrade to reader 12060 // Persist settings 12061 mSettings.writeLPr(); 12062 } 12063 // Send a broadcast to let everyone know we are done processing 12064 if (pkgList.size() > 0) { 12065 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12066 } 12067 // Force gc to avoid any stale parser references that we might have. 12068 if (doGc) { 12069 Runtime.getRuntime().gc(); 12070 } 12071 // List stale containers and destroy stale temporary containers. 12072 if (removeCids != null) { 12073 for (String cid : removeCids) { 12074 if (cid.startsWith(mTempContainerPrefix)) { 12075 Log.i(TAG, "Destroying stale temporary container " + cid); 12076 PackageHelper.destroySdDir(cid); 12077 } else { 12078 Log.w(TAG, "Container " + cid + " is stale"); 12079 } 12080 } 12081 } 12082 } 12083 12084 /* 12085 * Utility method to unload a list of specified containers 12086 */ 12087 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12088 // Just unmount all valid containers. 12089 for (AsecInstallArgs arg : cidArgs) { 12090 synchronized (mInstallLock) { 12091 arg.doPostDeleteLI(false); 12092 } 12093 } 12094 } 12095 12096 /* 12097 * Unload packages mounted on external media. This involves deleting package 12098 * data from internal structures, sending broadcasts about diabled packages, 12099 * gc'ing to free up references, unmounting all secure containers 12100 * corresponding to packages on external media, and posting a 12101 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12102 * that we always have to post this message if status has been requested no 12103 * matter what. 12104 */ 12105 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12106 final boolean reportStatus) { 12107 if (DEBUG_SD_INSTALL) 12108 Log.i(TAG, "unloading media packages"); 12109 ArrayList<String> pkgList = new ArrayList<String>(); 12110 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12111 final Set<AsecInstallArgs> keys = processCids.keySet(); 12112 for (AsecInstallArgs args : keys) { 12113 String pkgName = args.getPackageName(); 12114 if (DEBUG_SD_INSTALL) 12115 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12116 // Delete package internally 12117 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12118 synchronized (mInstallLock) { 12119 boolean res = deletePackageLI(pkgName, null, false, null, null, 12120 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12121 if (res) { 12122 pkgList.add(pkgName); 12123 } else { 12124 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12125 failedList.add(args); 12126 } 12127 } 12128 } 12129 12130 // reader 12131 synchronized (mPackages) { 12132 // We didn't update the settings after removing each package; 12133 // write them now for all packages. 12134 mSettings.writeLPr(); 12135 } 12136 12137 // We have to absolutely send UPDATED_MEDIA_STATUS only 12138 // after confirming that all the receivers processed the ordered 12139 // broadcast when packages get disabled, force a gc to clean things up. 12140 // and unload all the containers. 12141 if (pkgList.size() > 0) { 12142 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12143 new IIntentReceiver.Stub() { 12144 public void performReceive(Intent intent, int resultCode, String data, 12145 Bundle extras, boolean ordered, boolean sticky, 12146 int sendingUser) throws RemoteException { 12147 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12148 reportStatus ? 1 : 0, 1, keys); 12149 mHandler.sendMessage(msg); 12150 } 12151 }); 12152 } else { 12153 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12154 keys); 12155 mHandler.sendMessage(msg); 12156 } 12157 } 12158 12159 /** Binder call */ 12160 @Override 12161 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12162 final int flags) { 12163 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12164 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12165 int returnCode = PackageManager.MOVE_SUCCEEDED; 12166 int currFlags = 0; 12167 int newFlags = 0; 12168 // reader 12169 synchronized (mPackages) { 12170 PackageParser.Package pkg = mPackages.get(packageName); 12171 if (pkg == null) { 12172 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12173 } else { 12174 // Disable moving fwd locked apps and system packages 12175 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12176 Slog.w(TAG, "Cannot move system application"); 12177 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12178 } else if (pkg.mOperationPending) { 12179 Slog.w(TAG, "Attempt to move package which has pending operations"); 12180 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12181 } else { 12182 // Find install location first 12183 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12184 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12185 Slog.w(TAG, "Ambigous flags specified for move location."); 12186 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12187 } else { 12188 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12189 : PackageManager.INSTALL_INTERNAL; 12190 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12191 : PackageManager.INSTALL_INTERNAL; 12192 12193 if (newFlags == currFlags) { 12194 Slog.w(TAG, "No move required. Trying to move to same location"); 12195 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12196 } else { 12197 if (isForwardLocked(pkg)) { 12198 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12199 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12200 } 12201 } 12202 } 12203 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12204 pkg.mOperationPending = true; 12205 } 12206 } 12207 } 12208 12209 /* 12210 * TODO this next block probably shouldn't be inside the lock. We 12211 * can't guarantee these won't change after this is fired off 12212 * anyway. 12213 */ 12214 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12215 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12216 null, -1, user), 12217 returnCode); 12218 } else { 12219 Message msg = mHandler.obtainMessage(INIT_COPY); 12220 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12221 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12222 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12223 instructionSet); 12224 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12225 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12226 msg.obj = mp; 12227 mHandler.sendMessage(msg); 12228 } 12229 } 12230 } 12231 12232 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12233 // Queue up an async operation since the package deletion may take a 12234 // little while. 12235 mHandler.post(new Runnable() { 12236 public void run() { 12237 // TODO fix this; this does nothing. 12238 mHandler.removeCallbacks(this); 12239 int returnCode = currentStatus; 12240 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12241 int uidArr[] = null; 12242 ArrayList<String> pkgList = null; 12243 synchronized (mPackages) { 12244 PackageParser.Package pkg = mPackages.get(mp.packageName); 12245 if (pkg == null) { 12246 Slog.w(TAG, " Package " + mp.packageName 12247 + " doesn't exist. Aborting move"); 12248 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12249 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12250 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12251 + mp.srcArgs.getCodePath() + " to " 12252 + pkg.applicationInfo.sourceDir 12253 + " Aborting move and returning error"); 12254 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12255 } else { 12256 uidArr = new int[] { 12257 pkg.applicationInfo.uid 12258 }; 12259 pkgList = new ArrayList<String>(); 12260 pkgList.add(mp.packageName); 12261 } 12262 } 12263 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12264 // Send resources unavailable broadcast 12265 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12266 // Update package code and resource paths 12267 synchronized (mInstallLock) { 12268 synchronized (mPackages) { 12269 PackageParser.Package pkg = mPackages.get(mp.packageName); 12270 // Recheck for package again. 12271 if (pkg == null) { 12272 Slog.w(TAG, " Package " + mp.packageName 12273 + " doesn't exist. Aborting move"); 12274 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12275 } else if (!mp.srcArgs.getCodePath().equals( 12276 pkg.applicationInfo.sourceDir)) { 12277 Slog.w(TAG, "Package " + mp.packageName 12278 + " code path changed from " + mp.srcArgs.getCodePath() 12279 + " to " + pkg.applicationInfo.sourceDir 12280 + " Aborting move and returning error"); 12281 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12282 } else { 12283 final String oldCodePath = pkg.mPath; 12284 final String newCodePath = mp.targetArgs.getCodePath(); 12285 final String newResPath = mp.targetArgs.getResourcePath(); 12286 final String newNativePath = mp.targetArgs 12287 .getNativeLibraryPath(); 12288 12289 final File newNativeDir = new File(newNativePath); 12290 12291 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12292 // NOTE: We do not report any errors from the APK scan and library 12293 // copy at this point. 12294 NativeLibraryHelper.ApkHandle handle = 12295 new NativeLibraryHelper.ApkHandle(newCodePath); 12296 final int abi = NativeLibraryHelper.findSupportedAbi( 12297 handle, Build.SUPPORTED_ABIS); 12298 if (abi >= 0) { 12299 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12300 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12301 } 12302 handle.close(); 12303 } 12304 final int[] users = sUserManager.getUserIds(); 12305 for (int user : users) { 12306 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12307 newNativePath, user) < 0) { 12308 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12309 } 12310 } 12311 12312 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12313 pkg.mPath = newCodePath; 12314 // Move dex files around 12315 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12316 // Moving of dex files failed. Set 12317 // error code and abort move. 12318 pkg.mPath = pkg.mScanPath; 12319 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12320 } 12321 } 12322 12323 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12324 pkg.mScanPath = newCodePath; 12325 pkg.applicationInfo.sourceDir = newCodePath; 12326 pkg.applicationInfo.publicSourceDir = newResPath; 12327 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12328 PackageSetting ps = (PackageSetting) pkg.mExtras; 12329 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12330 ps.codePathString = ps.codePath.getPath(); 12331 ps.resourcePath = new File( 12332 pkg.applicationInfo.publicSourceDir); 12333 ps.resourcePathString = ps.resourcePath.getPath(); 12334 ps.nativeLibraryPathString = newNativePath; 12335 // Set the application info flag 12336 // correctly. 12337 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12338 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12339 } else { 12340 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12341 } 12342 ps.setFlags(pkg.applicationInfo.flags); 12343 mAppDirs.remove(oldCodePath); 12344 mAppDirs.put(newCodePath, pkg); 12345 // Persist settings 12346 mSettings.writeLPr(); 12347 } 12348 } 12349 } 12350 } 12351 // Send resources available broadcast 12352 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12353 } 12354 } 12355 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12356 // Clean up failed installation 12357 if (mp.targetArgs != null) { 12358 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12359 -1); 12360 } 12361 } else { 12362 // Force a gc to clear things up. 12363 Runtime.getRuntime().gc(); 12364 // Delete older code 12365 synchronized (mInstallLock) { 12366 mp.srcArgs.doPostDeleteLI(true); 12367 } 12368 } 12369 12370 // Allow more operations on this file if we didn't fail because 12371 // an operation was already pending for this package. 12372 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12373 synchronized (mPackages) { 12374 PackageParser.Package pkg = mPackages.get(mp.packageName); 12375 if (pkg != null) { 12376 pkg.mOperationPending = false; 12377 } 12378 } 12379 } 12380 12381 IPackageMoveObserver observer = mp.observer; 12382 if (observer != null) { 12383 try { 12384 observer.packageMoved(mp.packageName, returnCode); 12385 } catch (RemoteException e) { 12386 Log.i(TAG, "Observer no longer exists."); 12387 } 12388 } 12389 } 12390 }); 12391 } 12392 12393 public boolean setInstallLocation(int loc) { 12394 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12395 null); 12396 if (getInstallLocation() == loc) { 12397 return true; 12398 } 12399 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12400 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12401 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12402 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12403 return true; 12404 } 12405 return false; 12406 } 12407 12408 public int getInstallLocation() { 12409 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12410 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12411 PackageHelper.APP_INSTALL_AUTO); 12412 } 12413 12414 /** Called by UserManagerService */ 12415 void cleanUpUserLILPw(int userHandle) { 12416 mDirtyUsers.remove(userHandle); 12417 mSettings.removeUserLPr(userHandle); 12418 mPendingBroadcasts.remove(userHandle); 12419 if (mInstaller != null) { 12420 // Technically, we shouldn't be doing this with the package lock 12421 // held. However, this is very rare, and there is already so much 12422 // other disk I/O going on, that we'll let it slide for now. 12423 mInstaller.removeUserDataDirs(userHandle); 12424 } 12425 } 12426 12427 /** Called by UserManagerService */ 12428 void createNewUserLILPw(int userHandle, File path) { 12429 if (mInstaller != null) { 12430 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12431 } 12432 } 12433 12434 @Override 12435 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12436 mContext.enforceCallingOrSelfPermission( 12437 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12438 "Only package verification agents can read the verifier device identity"); 12439 12440 synchronized (mPackages) { 12441 return mSettings.getVerifierDeviceIdentityLPw(); 12442 } 12443 } 12444 12445 @Override 12446 public void setPermissionEnforced(String permission, boolean enforced) { 12447 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12448 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12449 synchronized (mPackages) { 12450 if (mSettings.mReadExternalStorageEnforced == null 12451 || mSettings.mReadExternalStorageEnforced != enforced) { 12452 mSettings.mReadExternalStorageEnforced = enforced; 12453 mSettings.writeLPr(); 12454 } 12455 } 12456 // kill any non-foreground processes so we restart them and 12457 // grant/revoke the GID. 12458 final IActivityManager am = ActivityManagerNative.getDefault(); 12459 if (am != null) { 12460 final long token = Binder.clearCallingIdentity(); 12461 try { 12462 am.killProcessesBelowForeground("setPermissionEnforcement"); 12463 } catch (RemoteException e) { 12464 } finally { 12465 Binder.restoreCallingIdentity(token); 12466 } 12467 } 12468 } else { 12469 throw new IllegalArgumentException("No selective enforcement for " + permission); 12470 } 12471 } 12472 12473 @Override 12474 @Deprecated 12475 public boolean isPermissionEnforced(String permission) { 12476 return true; 12477 } 12478 12479 @Override 12480 public boolean isStorageLow() { 12481 final long token = Binder.clearCallingIdentity(); 12482 try { 12483 final DeviceStorageMonitorInternal 12484 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 12485 if (dsm != null) { 12486 return dsm.isMemoryLow(); 12487 } else { 12488 return false; 12489 } 12490 } finally { 12491 Binder.restoreCallingIdentity(token); 12492 } 12493 } 12494} 12495