PackageManagerService.java revision c79586ede6dcd6a167bc8360f058cb5cc655b33d
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.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 32import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 33import static com.android.internal.util.ArrayUtils.appendInt; 34import static com.android.internal.util.ArrayUtils.removeInt; 35 36import android.content.pm.PackageParser.*; 37import com.android.internal.app.IMediaContainerService; 38import com.android.internal.app.ResolverActivity; 39import com.android.internal.content.NativeLibraryHelper; 40import com.android.internal.content.PackageHelper; 41import com.android.internal.util.FastPrintWriter; 42import com.android.internal.util.FastXmlSerializer; 43import com.android.internal.util.XmlUtils; 44import com.android.server.EventLogTags; 45import com.android.server.IntentResolver; 46import com.android.server.ServiceThread; 47 48import com.android.server.LocalServices; 49import com.android.server.Watchdog; 50import org.xmlpull.v1.XmlPullParser; 51import org.xmlpull.v1.XmlPullParserException; 52import org.xmlpull.v1.XmlSerializer; 53 54import android.app.ActivityManager; 55import android.app.ActivityManagerNative; 56import android.app.IActivityManager; 57import android.app.admin.IDevicePolicyManager; 58import android.app.backup.IBackupManager; 59import android.content.BroadcastReceiver; 60import android.content.ComponentName; 61import android.content.Context; 62import android.content.IIntentReceiver; 63import android.content.Intent; 64import android.content.IntentFilter; 65import android.content.IntentSender; 66import android.content.IntentSender.SendIntentException; 67import android.content.ServiceConnection; 68import android.content.pm.ActivityInfo; 69import android.content.pm.ApplicationInfo; 70import android.content.pm.ContainerEncryptionParams; 71import android.content.pm.FeatureInfo; 72import android.content.pm.IPackageDataObserver; 73import android.content.pm.IPackageDeleteObserver; 74import android.content.pm.IPackageInstallObserver; 75import android.content.pm.IPackageInstallObserver2; 76import android.content.pm.IPackageManager; 77import android.content.pm.IPackageMoveObserver; 78import android.content.pm.IPackageStatsObserver; 79import android.content.pm.InstrumentationInfo; 80import android.content.pm.ManifestDigest; 81import android.content.pm.PackageCleanItem; 82import android.content.pm.PackageInfo; 83import android.content.pm.PackageInfoLite; 84import android.content.pm.PackageManager; 85import android.content.pm.PackageParser; 86import android.content.pm.PackageStats; 87import android.content.pm.PackageUserState; 88import android.content.pm.ParceledListSlice; 89import android.content.pm.PermissionGroupInfo; 90import android.content.pm.PermissionInfo; 91import android.content.pm.ProviderInfo; 92import android.content.pm.ResolveInfo; 93import android.content.pm.ServiceInfo; 94import android.content.pm.Signature; 95import android.content.pm.VerificationParams; 96import android.content.pm.VerifierDeviceIdentity; 97import android.content.pm.VerifierInfo; 98import android.content.res.Resources; 99import android.hardware.display.DisplayManager; 100import android.net.Uri; 101import android.os.Binder; 102import android.os.Build; 103import android.os.Bundle; 104import android.os.Environment; 105import android.os.Environment.UserEnvironment; 106import android.os.FileObserver; 107import android.os.FileUtils; 108import android.os.Handler; 109import android.os.IBinder; 110import android.os.Looper; 111import android.os.Message; 112import android.os.Parcel; 113import android.os.ParcelFileDescriptor; 114import android.os.Process; 115import android.os.RemoteException; 116import android.os.SELinux; 117import android.os.ServiceManager; 118import android.os.SystemClock; 119import android.os.SystemProperties; 120import android.os.UserHandle; 121import android.os.UserManager; 122import android.security.KeyStore; 123import android.security.SystemKeyStore; 124import android.system.ErrnoException; 125import android.system.Os; 126import android.system.StructStat; 127import android.text.TextUtils; 128import android.util.DisplayMetrics; 129import android.util.EventLog; 130import android.util.Log; 131import android.util.LogPrinter; 132import android.util.PrintStreamPrinter; 133import android.util.Slog; 134import android.util.SparseArray; 135import android.util.Xml; 136import android.view.Display; 137 138import java.io.BufferedOutputStream; 139import java.io.File; 140import java.io.FileDescriptor; 141import java.io.FileInputStream; 142import java.io.FileNotFoundException; 143import java.io.FileOutputStream; 144import java.io.FileReader; 145import java.io.FilenameFilter; 146import java.io.IOException; 147import java.io.PrintWriter; 148import java.security.NoSuchAlgorithmException; 149import java.security.PublicKey; 150import java.security.cert.Certificate; 151import java.security.cert.CertificateEncodingException; 152import java.security.cert.CertificateException; 153import java.text.SimpleDateFormat; 154import java.util.ArrayList; 155import java.util.Arrays; 156import java.util.Collection; 157import java.util.Collections; 158import java.util.Comparator; 159import java.util.Date; 160import java.util.HashMap; 161import java.util.HashSet; 162import java.util.Iterator; 163import java.util.List; 164import java.util.Map; 165import java.util.Set; 166 167import dalvik.system.VMRuntime; 168import libcore.io.IoUtils; 169 170import com.android.internal.R; 171import com.android.server.pm.Settings.DatabaseVersion; 172import com.android.server.storage.DeviceStorageMonitorInternal; 173 174/** 175 * Keep track of all those .apks everywhere. 176 * 177 * This is very central to the platform's security; please run the unit 178 * tests whenever making modifications here: 179 * 180mmm frameworks/base/tests/AndroidTests 181adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 182adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 183 * 184 * {@hide} 185 */ 186public class PackageManagerService extends IPackageManager.Stub { 187 static final String TAG = "PackageManager"; 188 static final boolean DEBUG_SETTINGS = false; 189 static final boolean DEBUG_PREFERRED = false; 190 static final boolean DEBUG_UPGRADE = false; 191 private static final boolean DEBUG_INSTALL = false; 192 private static final boolean DEBUG_REMOVE = false; 193 private static final boolean DEBUG_BROADCASTS = false; 194 private static final boolean DEBUG_SHOW_INFO = false; 195 private static final boolean DEBUG_PACKAGE_INFO = false; 196 private static final boolean DEBUG_INTENT_MATCHING = false; 197 private static final boolean DEBUG_PACKAGE_SCANNING = false; 198 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 199 private static final boolean DEBUG_VERIFY = false; 200 201 private static final int RADIO_UID = Process.PHONE_UID; 202 private static final int LOG_UID = Process.LOG_UID; 203 private static final int NFC_UID = Process.NFC_UID; 204 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 205 private static final int SHELL_UID = Process.SHELL_UID; 206 207 // Cap the size of permission trees that 3rd party apps can define 208 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 209 210 private static final int REMOVE_EVENTS = 211 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 212 private static final int ADD_EVENTS = 213 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 214 215 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 216 // Suffix used during package installation when copying/moving 217 // package apks to install directory. 218 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 219 220 static final int SCAN_MONITOR = 1<<0; 221 static final int SCAN_NO_DEX = 1<<1; 222 static final int SCAN_FORCE_DEX = 1<<2; 223 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 224 static final int SCAN_NEW_INSTALL = 1<<4; 225 static final int SCAN_NO_PATHS = 1<<5; 226 static final int SCAN_UPDATE_TIME = 1<<6; 227 static final int SCAN_DEFER_DEX = 1<<7; 228 static final int SCAN_BOOTING = 1<<8; 229 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 230 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 231 232 static final int REMOVE_CHATTY = 1<<16; 233 234 /** 235 * Timeout (in milliseconds) after which the watchdog should declare that 236 * our handler thread is wedged. The usual default for such things is one 237 * minute but we sometimes do very lengthy I/O operations on this thread, 238 * such as installing multi-gigabyte applications, so ours needs to be longer. 239 */ 240 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 241 242 /** 243 * Whether verification is enabled by default. 244 */ 245 private static final boolean DEFAULT_VERIFY_ENABLE = true; 246 247 /** 248 * The default maximum time to wait for the verification agent to return in 249 * milliseconds. 250 */ 251 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 252 253 /** 254 * The default response for package verification timeout. 255 * 256 * This can be either PackageManager.VERIFICATION_ALLOW or 257 * PackageManager.VERIFICATION_REJECT. 258 */ 259 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 260 261 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 262 263 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 264 DEFAULT_CONTAINER_PACKAGE, 265 "com.android.defcontainer.DefaultContainerService"); 266 267 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 268 269 private static final String LIB_DIR_NAME = "lib"; 270 private static final String LIB64_DIR_NAME = "lib64"; 271 272 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 273 274 static final String mTempContainerPrefix = "smdl2tmp"; 275 276 private static String sPreferredInstructionSet; 277 278 final ServiceThread mHandlerThread; 279 280 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 281 private static final String IDMAP_SUFFIX = "@idmap"; 282 283 final PackageHandler mHandler; 284 285 final int mSdkVersion = Build.VERSION.SDK_INT; 286 287 final Context mContext; 288 final boolean mFactoryTest; 289 final boolean mOnlyCore; 290 final boolean mNoDexOpt; 291 final DisplayMetrics mMetrics; 292 final int mDefParseFlags; 293 final String[] mSeparateProcesses; 294 295 // This is where all application persistent data goes. 296 final File mAppDataDir; 297 298 // This is where all application persistent data goes for secondary users. 299 final File mUserAppDataDir; 300 301 /** The location for ASEC container files on internal storage. */ 302 final String mAsecInternalPath; 303 304 // This is the object monitoring the framework dir. 305 final FileObserver mFrameworkInstallObserver; 306 307 // This is the object monitoring the system app dir. 308 final FileObserver mSystemInstallObserver; 309 310 // This is the object monitoring the privileged system app dir. 311 final FileObserver mPrivilegedInstallObserver; 312 313 // This is the object monitoring the vendor app dir. 314 final FileObserver mVendorInstallObserver; 315 316 // This is the object monitoring the vendor overlay package dir. 317 final FileObserver mVendorOverlayInstallObserver; 318 319 // This is the object monitoring the OEM app dir. 320 final FileObserver mOemInstallObserver; 321 322 // This is the object monitoring mAppInstallDir. 323 final FileObserver mAppInstallObserver; 324 325 // This is the object monitoring mDrmAppPrivateInstallDir. 326 final FileObserver mDrmAppInstallObserver; 327 328 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 329 // LOCK HELD. Can be called with mInstallLock held. 330 final Installer mInstaller; 331 332 final File mAppInstallDir; 333 334 /** 335 * Directory to which applications installed internally have native 336 * libraries copied. 337 */ 338 private File mAppLibInstallDir; 339 340 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 341 // apps. 342 final File mDrmAppPrivateInstallDir; 343 344 // ---------------------------------------------------------------- 345 346 // Lock for state used when installing and doing other long running 347 // operations. Methods that must be called with this lock held have 348 // the suffix "LI". 349 final Object mInstallLock = new Object(); 350 351 // These are the directories in the 3rd party applications installed dir 352 // that we have currently loaded packages from. Keys are the application's 353 // installed zip file (absolute codePath), and values are Package. 354 final HashMap<String, PackageParser.Package> mAppDirs = 355 new HashMap<String, PackageParser.Package>(); 356 357 // Information for the parser to write more useful error messages. 358 int mLastScanError; 359 360 // ---------------------------------------------------------------- 361 362 // Keys are String (package name), values are Package. This also serves 363 // as the lock for the global state. Methods that must be called with 364 // this lock held have the prefix "LP". 365 final HashMap<String, PackageParser.Package> mPackages = 366 new HashMap<String, PackageParser.Package>(); 367 368 // Tracks available target package names -> overlay package paths. 369 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 370 new HashMap<String, HashMap<String, PackageParser.Package>>(); 371 372 final Settings mSettings; 373 boolean mRestoredSettings; 374 375 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 376 int[] mGlobalGids; 377 378 // These are the built-in uid -> permission mappings that were read from the 379 // etc/permissions.xml file. 380 final SparseArray<HashSet<String>> mSystemPermissions = 381 new SparseArray<HashSet<String>>(); 382 383 static final class SharedLibraryEntry { 384 final String path; 385 final String apk; 386 387 SharedLibraryEntry(String _path, String _apk) { 388 path = _path; 389 apk = _apk; 390 } 391 } 392 393 // These are the built-in shared libraries that were read from the 394 // etc/permissions.xml file. 395 final HashMap<String, SharedLibraryEntry> mSharedLibraries 396 = new HashMap<String, SharedLibraryEntry>(); 397 398 // Temporary for building the final shared libraries for an .apk. 399 String[] mTmpSharedLibraries = null; 400 401 // These are the features this devices supports that were read from the 402 // etc/permissions.xml file. 403 final HashMap<String, FeatureInfo> mAvailableFeatures = 404 new HashMap<String, FeatureInfo>(); 405 406 // If mac_permissions.xml was found for seinfo labeling. 407 boolean mFoundPolicyFile; 408 409 // If a recursive restorecon of /data/data/<pkg> is needed. 410 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 411 412 // All available activities, for your resolving pleasure. 413 final ActivityIntentResolver mActivities = 414 new ActivityIntentResolver(); 415 416 // All available receivers, for your resolving pleasure. 417 final ActivityIntentResolver mReceivers = 418 new ActivityIntentResolver(); 419 420 // All available services, for your resolving pleasure. 421 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 422 423 // All available providers, for your resolving pleasure. 424 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 425 426 // Mapping from provider base names (first directory in content URI codePath) 427 // to the provider information. 428 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 429 new HashMap<String, PackageParser.Provider>(); 430 431 // Mapping from instrumentation class names to info about them. 432 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 433 new HashMap<ComponentName, PackageParser.Instrumentation>(); 434 435 // Mapping from permission names to info about them. 436 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 437 new HashMap<String, PackageParser.PermissionGroup>(); 438 439 // Packages whose data we have transfered into another package, thus 440 // should no longer exist. 441 final HashSet<String> mTransferedPackages = new HashSet<String>(); 442 443 // Broadcast actions that are only available to the system. 444 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 445 446 /** List of packages waiting for verification. */ 447 final SparseArray<PackageVerificationState> mPendingVerification 448 = new SparseArray<PackageVerificationState>(); 449 450 HashSet<PackageParser.Package> mDeferredDexOpt = null; 451 452 /** Token for keys in mPendingVerification. */ 453 private int mPendingVerificationToken = 0; 454 455 boolean mSystemReady; 456 boolean mSafeMode; 457 boolean mHasSystemUidErrors; 458 459 ApplicationInfo mAndroidApplication; 460 final ActivityInfo mResolveActivity = new ActivityInfo(); 461 final ResolveInfo mResolveInfo = new ResolveInfo(); 462 ComponentName mResolveComponentName; 463 PackageParser.Package mPlatformPackage; 464 ComponentName mCustomResolverComponentName; 465 466 boolean mResolverReplaced = false; 467 468 // Set of pending broadcasts for aggregating enable/disable of components. 469 static class PendingPackageBroadcasts { 470 // for each user id, a map of <package name -> components within that package> 471 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 472 473 public PendingPackageBroadcasts() { 474 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 475 } 476 477 public ArrayList<String> get(int userId, String packageName) { 478 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 479 return packages.get(packageName); 480 } 481 482 public void put(int userId, String packageName, ArrayList<String> components) { 483 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 484 packages.put(packageName, components); 485 } 486 487 public void remove(int userId, String packageName) { 488 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 489 if (packages != null) { 490 packages.remove(packageName); 491 } 492 } 493 494 public void remove(int userId) { 495 mUidMap.remove(userId); 496 } 497 498 public int userIdCount() { 499 return mUidMap.size(); 500 } 501 502 public int userIdAt(int n) { 503 return mUidMap.keyAt(n); 504 } 505 506 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 507 return mUidMap.get(userId); 508 } 509 510 public int size() { 511 // total number of pending broadcast entries across all userIds 512 int num = 0; 513 for (int i = 0; i< mUidMap.size(); i++) { 514 num += mUidMap.valueAt(i).size(); 515 } 516 return num; 517 } 518 519 public void clear() { 520 mUidMap.clear(); 521 } 522 523 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 524 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 525 if (map == null) { 526 map = new HashMap<String, ArrayList<String>>(); 527 mUidMap.put(userId, map); 528 } 529 return map; 530 } 531 } 532 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 533 534 // Service Connection to remote media container service to copy 535 // package uri's from external media onto secure containers 536 // or internal storage. 537 private IMediaContainerService mContainerService = null; 538 539 static final int SEND_PENDING_BROADCAST = 1; 540 static final int MCS_BOUND = 3; 541 static final int END_COPY = 4; 542 static final int INIT_COPY = 5; 543 static final int MCS_UNBIND = 6; 544 static final int START_CLEANING_PACKAGE = 7; 545 static final int FIND_INSTALL_LOC = 8; 546 static final int POST_INSTALL = 9; 547 static final int MCS_RECONNECT = 10; 548 static final int MCS_GIVE_UP = 11; 549 static final int UPDATED_MEDIA_STATUS = 12; 550 static final int WRITE_SETTINGS = 13; 551 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 552 static final int PACKAGE_VERIFIED = 15; 553 static final int CHECK_PENDING_VERIFICATION = 16; 554 555 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 556 557 // Delay time in millisecs 558 static final int BROADCAST_DELAY = 10 * 1000; 559 560 static UserManagerService sUserManager; 561 562 // Stores a list of users whose package restrictions file needs to be updated 563 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 564 565 final private DefaultContainerConnection mDefContainerConn = 566 new DefaultContainerConnection(); 567 class DefaultContainerConnection implements ServiceConnection { 568 public void onServiceConnected(ComponentName name, IBinder service) { 569 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 570 IMediaContainerService imcs = 571 IMediaContainerService.Stub.asInterface(service); 572 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 573 } 574 575 public void onServiceDisconnected(ComponentName name) { 576 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 577 } 578 }; 579 580 // Recordkeeping of restore-after-install operations that are currently in flight 581 // between the Package Manager and the Backup Manager 582 class PostInstallData { 583 public InstallArgs args; 584 public PackageInstalledInfo res; 585 586 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 587 args = _a; 588 res = _r; 589 } 590 }; 591 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 592 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 593 594 private final String mRequiredVerifierPackage; 595 596 class PackageHandler extends Handler { 597 private boolean mBound = false; 598 final ArrayList<HandlerParams> mPendingInstalls = 599 new ArrayList<HandlerParams>(); 600 601 private boolean connectToService() { 602 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 603 " DefaultContainerService"); 604 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 605 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 606 if (mContext.bindServiceAsUser(service, mDefContainerConn, 607 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 608 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 609 mBound = true; 610 return true; 611 } 612 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 613 return false; 614 } 615 616 private void disconnectService() { 617 mContainerService = null; 618 mBound = false; 619 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 620 mContext.unbindService(mDefContainerConn); 621 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 622 } 623 624 PackageHandler(Looper looper) { 625 super(looper); 626 } 627 628 public void handleMessage(Message msg) { 629 try { 630 doHandleMessage(msg); 631 } finally { 632 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 633 } 634 } 635 636 void doHandleMessage(Message msg) { 637 switch (msg.what) { 638 case INIT_COPY: { 639 HandlerParams params = (HandlerParams) msg.obj; 640 int idx = mPendingInstalls.size(); 641 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 642 // If a bind was already initiated we dont really 643 // need to do anything. The pending install 644 // will be processed later on. 645 if (!mBound) { 646 // If this is the only one pending we might 647 // have to bind to the service again. 648 if (!connectToService()) { 649 Slog.e(TAG, "Failed to bind to media container service"); 650 params.serviceError(); 651 return; 652 } else { 653 // Once we bind to the service, the first 654 // pending request will be processed. 655 mPendingInstalls.add(idx, params); 656 } 657 } else { 658 mPendingInstalls.add(idx, params); 659 // Already bound to the service. Just make 660 // sure we trigger off processing the first request. 661 if (idx == 0) { 662 mHandler.sendEmptyMessage(MCS_BOUND); 663 } 664 } 665 break; 666 } 667 case MCS_BOUND: { 668 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 669 if (msg.obj != null) { 670 mContainerService = (IMediaContainerService) msg.obj; 671 } 672 if (mContainerService == null) { 673 // Something seriously wrong. Bail out 674 Slog.e(TAG, "Cannot bind to media container service"); 675 for (HandlerParams params : mPendingInstalls) { 676 // Indicate service bind error 677 params.serviceError(); 678 } 679 mPendingInstalls.clear(); 680 } else if (mPendingInstalls.size() > 0) { 681 HandlerParams params = mPendingInstalls.get(0); 682 if (params != null) { 683 if (params.startCopy()) { 684 // We are done... look for more work or to 685 // go idle. 686 if (DEBUG_SD_INSTALL) Log.i(TAG, 687 "Checking for more work or unbind..."); 688 // Delete pending install 689 if (mPendingInstalls.size() > 0) { 690 mPendingInstalls.remove(0); 691 } 692 if (mPendingInstalls.size() == 0) { 693 if (mBound) { 694 if (DEBUG_SD_INSTALL) Log.i(TAG, 695 "Posting delayed MCS_UNBIND"); 696 removeMessages(MCS_UNBIND); 697 Message ubmsg = obtainMessage(MCS_UNBIND); 698 // Unbind after a little delay, to avoid 699 // continual thrashing. 700 sendMessageDelayed(ubmsg, 10000); 701 } 702 } else { 703 // There are more pending requests in queue. 704 // Just post MCS_BOUND message to trigger processing 705 // of next pending install. 706 if (DEBUG_SD_INSTALL) Log.i(TAG, 707 "Posting MCS_BOUND for next work"); 708 mHandler.sendEmptyMessage(MCS_BOUND); 709 } 710 } 711 } 712 } else { 713 // Should never happen ideally. 714 Slog.w(TAG, "Empty queue"); 715 } 716 break; 717 } 718 case MCS_RECONNECT: { 719 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 720 if (mPendingInstalls.size() > 0) { 721 if (mBound) { 722 disconnectService(); 723 } 724 if (!connectToService()) { 725 Slog.e(TAG, "Failed to bind to media container service"); 726 for (HandlerParams params : mPendingInstalls) { 727 // Indicate service bind error 728 params.serviceError(); 729 } 730 mPendingInstalls.clear(); 731 } 732 } 733 break; 734 } 735 case MCS_UNBIND: { 736 // If there is no actual work left, then time to unbind. 737 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 738 739 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 740 if (mBound) { 741 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 742 743 disconnectService(); 744 } 745 } else if (mPendingInstalls.size() > 0) { 746 // There are more pending requests in queue. 747 // Just post MCS_BOUND message to trigger processing 748 // of next pending install. 749 mHandler.sendEmptyMessage(MCS_BOUND); 750 } 751 752 break; 753 } 754 case MCS_GIVE_UP: { 755 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 756 mPendingInstalls.remove(0); 757 break; 758 } 759 case SEND_PENDING_BROADCAST: { 760 String packages[]; 761 ArrayList<String> components[]; 762 int size = 0; 763 int uids[]; 764 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 765 synchronized (mPackages) { 766 if (mPendingBroadcasts == null) { 767 return; 768 } 769 size = mPendingBroadcasts.size(); 770 if (size <= 0) { 771 // Nothing to be done. Just return 772 return; 773 } 774 packages = new String[size]; 775 components = new ArrayList[size]; 776 uids = new int[size]; 777 int i = 0; // filling out the above arrays 778 779 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 780 int packageUserId = mPendingBroadcasts.userIdAt(n); 781 Iterator<Map.Entry<String, ArrayList<String>>> it 782 = mPendingBroadcasts.packagesForUserId(packageUserId) 783 .entrySet().iterator(); 784 while (it.hasNext() && i < size) { 785 Map.Entry<String, ArrayList<String>> ent = it.next(); 786 packages[i] = ent.getKey(); 787 components[i] = ent.getValue(); 788 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 789 uids[i] = (ps != null) 790 ? UserHandle.getUid(packageUserId, ps.appId) 791 : -1; 792 i++; 793 } 794 } 795 size = i; 796 mPendingBroadcasts.clear(); 797 } 798 // Send broadcasts 799 for (int i = 0; i < size; i++) { 800 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 801 } 802 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 803 break; 804 } 805 case START_CLEANING_PACKAGE: { 806 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 807 final String packageName = (String)msg.obj; 808 final int userId = msg.arg1; 809 final boolean andCode = msg.arg2 != 0; 810 synchronized (mPackages) { 811 if (userId == UserHandle.USER_ALL) { 812 int[] users = sUserManager.getUserIds(); 813 for (int user : users) { 814 mSettings.addPackageToCleanLPw( 815 new PackageCleanItem(user, packageName, andCode)); 816 } 817 } else { 818 mSettings.addPackageToCleanLPw( 819 new PackageCleanItem(userId, packageName, andCode)); 820 } 821 } 822 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 823 startCleaningPackages(); 824 } break; 825 case POST_INSTALL: { 826 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 827 PostInstallData data = mRunningInstalls.get(msg.arg1); 828 mRunningInstalls.delete(msg.arg1); 829 boolean deleteOld = false; 830 831 if (data != null) { 832 InstallArgs args = data.args; 833 PackageInstalledInfo res = data.res; 834 835 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 836 res.removedInfo.sendBroadcast(false, true, false); 837 Bundle extras = new Bundle(1); 838 extras.putInt(Intent.EXTRA_UID, res.uid); 839 // Determine the set of users who are adding this 840 // package for the first time vs. those who are seeing 841 // an update. 842 int[] firstUsers; 843 int[] updateUsers = new int[0]; 844 if (res.origUsers == null || res.origUsers.length == 0) { 845 firstUsers = res.newUsers; 846 } else { 847 firstUsers = new int[0]; 848 for (int i=0; i<res.newUsers.length; i++) { 849 int user = res.newUsers[i]; 850 boolean isNew = true; 851 for (int j=0; j<res.origUsers.length; j++) { 852 if (res.origUsers[j] == user) { 853 isNew = false; 854 break; 855 } 856 } 857 if (isNew) { 858 int[] newFirst = new int[firstUsers.length+1]; 859 System.arraycopy(firstUsers, 0, newFirst, 0, 860 firstUsers.length); 861 newFirst[firstUsers.length] = user; 862 firstUsers = newFirst; 863 } else { 864 int[] newUpdate = new int[updateUsers.length+1]; 865 System.arraycopy(updateUsers, 0, newUpdate, 0, 866 updateUsers.length); 867 newUpdate[updateUsers.length] = user; 868 updateUsers = newUpdate; 869 } 870 } 871 } 872 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 873 res.pkg.applicationInfo.packageName, 874 extras, null, null, firstUsers); 875 final boolean update = res.removedInfo.removedPackage != null; 876 if (update) { 877 extras.putBoolean(Intent.EXTRA_REPLACING, true); 878 } 879 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 880 res.pkg.applicationInfo.packageName, 881 extras, null, null, updateUsers); 882 if (update) { 883 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 884 res.pkg.applicationInfo.packageName, 885 extras, null, null, updateUsers); 886 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 887 null, null, 888 res.pkg.applicationInfo.packageName, null, updateUsers); 889 890 // treat asec-hosted packages like removable media on upgrade 891 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 892 if (DEBUG_INSTALL) { 893 Slog.i(TAG, "upgrading pkg " + res.pkg 894 + " is ASEC-hosted -> AVAILABLE"); 895 } 896 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 897 ArrayList<String> pkgList = new ArrayList<String>(1); 898 pkgList.add(res.pkg.applicationInfo.packageName); 899 sendResourcesChangedBroadcast(true, true, 900 pkgList,uidArray, null); 901 } 902 } 903 if (res.removedInfo.args != null) { 904 // Remove the replaced package's older resources safely now 905 deleteOld = true; 906 } 907 908 // Log current value of "unknown sources" setting 909 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 910 getUnknownSourcesSettings()); 911 } 912 // Force a gc to clear up things 913 Runtime.getRuntime().gc(); 914 // We delete after a gc for applications on sdcard. 915 if (deleteOld) { 916 synchronized (mInstallLock) { 917 res.removedInfo.args.doPostDeleteLI(true); 918 } 919 } 920 if (args.observer != null) { 921 try { 922 args.observer.packageInstalled(res.name, res.returnCode); 923 } catch (RemoteException e) { 924 Slog.i(TAG, "Observer no longer exists."); 925 } 926 } 927 if (args.observer2 != null) { 928 try { 929 Bundle extras = extrasForInstallResult(res); 930 args.observer2.packageInstalled(res.name, extras, res.returnCode); 931 } catch (RemoteException e) { 932 Slog.i(TAG, "Observer no longer exists."); 933 } 934 } 935 } else { 936 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 937 } 938 } break; 939 case UPDATED_MEDIA_STATUS: { 940 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 941 boolean reportStatus = msg.arg1 == 1; 942 boolean doGc = msg.arg2 == 1; 943 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 944 if (doGc) { 945 // Force a gc to clear up stale containers. 946 Runtime.getRuntime().gc(); 947 } 948 if (msg.obj != null) { 949 @SuppressWarnings("unchecked") 950 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 951 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 952 // Unload containers 953 unloadAllContainers(args); 954 } 955 if (reportStatus) { 956 try { 957 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 958 PackageHelper.getMountService().finishMediaUpdate(); 959 } catch (RemoteException e) { 960 Log.e(TAG, "MountService not running?"); 961 } 962 } 963 } break; 964 case WRITE_SETTINGS: { 965 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 966 synchronized (mPackages) { 967 removeMessages(WRITE_SETTINGS); 968 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 969 mSettings.writeLPr(); 970 mDirtyUsers.clear(); 971 } 972 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 973 } break; 974 case WRITE_PACKAGE_RESTRICTIONS: { 975 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 976 synchronized (mPackages) { 977 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 978 for (int userId : mDirtyUsers) { 979 mSettings.writePackageRestrictionsLPr(userId); 980 } 981 mDirtyUsers.clear(); 982 } 983 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 984 } break; 985 case CHECK_PENDING_VERIFICATION: { 986 final int verificationId = msg.arg1; 987 final PackageVerificationState state = mPendingVerification.get(verificationId); 988 989 if ((state != null) && !state.timeoutExtended()) { 990 final InstallArgs args = state.getInstallArgs(); 991 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 992 mPendingVerification.remove(verificationId); 993 994 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 995 996 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 997 Slog.i(TAG, "Continuing with installation of " 998 + args.packageURI.toString()); 999 state.setVerifierResponse(Binder.getCallingUid(), 1000 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1001 broadcastPackageVerified(verificationId, args.packageURI, 1002 PackageManager.VERIFICATION_ALLOW, 1003 state.getInstallArgs().getUser()); 1004 try { 1005 ret = args.copyApk(mContainerService, true); 1006 } catch (RemoteException e) { 1007 Slog.e(TAG, "Could not contact the ContainerService"); 1008 } 1009 } else { 1010 broadcastPackageVerified(verificationId, args.packageURI, 1011 PackageManager.VERIFICATION_REJECT, 1012 state.getInstallArgs().getUser()); 1013 } 1014 1015 processPendingInstall(args, ret); 1016 mHandler.sendEmptyMessage(MCS_UNBIND); 1017 } 1018 break; 1019 } 1020 case PACKAGE_VERIFIED: { 1021 final int verificationId = msg.arg1; 1022 1023 final PackageVerificationState state = mPendingVerification.get(verificationId); 1024 if (state == null) { 1025 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1026 break; 1027 } 1028 1029 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1030 1031 state.setVerifierResponse(response.callerUid, response.code); 1032 1033 if (state.isVerificationComplete()) { 1034 mPendingVerification.remove(verificationId); 1035 1036 final InstallArgs args = state.getInstallArgs(); 1037 1038 int ret; 1039 if (state.isInstallAllowed()) { 1040 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1041 broadcastPackageVerified(verificationId, args.packageURI, 1042 response.code, state.getInstallArgs().getUser()); 1043 try { 1044 ret = args.copyApk(mContainerService, true); 1045 } catch (RemoteException e) { 1046 Slog.e(TAG, "Could not contact the ContainerService"); 1047 } 1048 } else { 1049 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1050 } 1051 1052 processPendingInstall(args, ret); 1053 1054 mHandler.sendEmptyMessage(MCS_UNBIND); 1055 } 1056 1057 break; 1058 } 1059 } 1060 } 1061 } 1062 1063 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1064 Bundle extras = null; 1065 switch (res.returnCode) { 1066 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1067 extras = new Bundle(); 1068 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1069 res.origPermission); 1070 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1071 res.origPackage); 1072 break; 1073 } 1074 } 1075 return extras; 1076 } 1077 1078 void scheduleWriteSettingsLocked() { 1079 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1080 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1081 } 1082 } 1083 1084 void scheduleWritePackageRestrictionsLocked(int userId) { 1085 if (!sUserManager.exists(userId)) return; 1086 mDirtyUsers.add(userId); 1087 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1088 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1089 } 1090 } 1091 1092 public static final IPackageManager main(Context context, Installer installer, 1093 boolean factoryTest, boolean onlyCore) { 1094 PackageManagerService m = new PackageManagerService(context, installer, 1095 factoryTest, onlyCore); 1096 ServiceManager.addService("package", m); 1097 return m; 1098 } 1099 1100 static String[] splitString(String str, char sep) { 1101 int count = 1; 1102 int i = 0; 1103 while ((i=str.indexOf(sep, i)) >= 0) { 1104 count++; 1105 i++; 1106 } 1107 1108 String[] res = new String[count]; 1109 i=0; 1110 count = 0; 1111 int lastI=0; 1112 while ((i=str.indexOf(sep, i)) >= 0) { 1113 res[count] = str.substring(lastI, i); 1114 count++; 1115 i++; 1116 lastI = i; 1117 } 1118 res[count] = str.substring(lastI, str.length()); 1119 return res; 1120 } 1121 1122 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1123 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1124 Context.DISPLAY_SERVICE); 1125 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1126 } 1127 1128 public PackageManagerService(Context context, Installer installer, 1129 boolean factoryTest, boolean onlyCore) { 1130 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1131 SystemClock.uptimeMillis()); 1132 1133 if (mSdkVersion <= 0) { 1134 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1135 } 1136 1137 mContext = context; 1138 mFactoryTest = factoryTest; 1139 mOnlyCore = onlyCore; 1140 mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1141 mMetrics = new DisplayMetrics(); 1142 mSettings = new Settings(context); 1143 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1144 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1145 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1146 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1147 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1148 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1149 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1150 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1151 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1152 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1153 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1154 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1155 1156 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1157 if (separateProcesses != null && separateProcesses.length() > 0) { 1158 if ("*".equals(separateProcesses)) { 1159 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1160 mSeparateProcesses = null; 1161 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1162 } else { 1163 mDefParseFlags = 0; 1164 mSeparateProcesses = separateProcesses.split(","); 1165 Slog.w(TAG, "Running with debug.separate_processes: " 1166 + separateProcesses); 1167 } 1168 } else { 1169 mDefParseFlags = 0; 1170 mSeparateProcesses = null; 1171 } 1172 1173 mInstaller = installer; 1174 1175 getDefaultDisplayMetrics(context, mMetrics); 1176 1177 synchronized (mInstallLock) { 1178 // writer 1179 synchronized (mPackages) { 1180 mHandlerThread = new ServiceThread(TAG, 1181 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1182 mHandlerThread.start(); 1183 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1184 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1185 1186 File dataDir = Environment.getDataDirectory(); 1187 mAppDataDir = new File(dataDir, "data"); 1188 mAppInstallDir = new File(dataDir, "app"); 1189 mAppLibInstallDir = new File(dataDir, "app-lib"); 1190 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1191 mUserAppDataDir = new File(dataDir, "user"); 1192 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1193 1194 sUserManager = new UserManagerService(context, this, 1195 mInstallLock, mPackages); 1196 1197 // Read permissions and features from system 1198 readPermissions(Environment.buildPath( 1199 Environment.getRootDirectory(), "etc", "permissions"), false); 1200 // Only read features from OEM 1201 readPermissions(Environment.buildPath( 1202 Environment.getOemDirectory(), "etc", "permissions"), true); 1203 1204 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1205 1206 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1207 mSdkVersion, mOnlyCore); 1208 1209 String customResolverActivity = Resources.getSystem().getString( 1210 R.string.config_customResolverActivity); 1211 if (TextUtils.isEmpty(customResolverActivity)) { 1212 customResolverActivity = null; 1213 } else { 1214 mCustomResolverComponentName = ComponentName.unflattenFromString( 1215 customResolverActivity); 1216 } 1217 1218 long startTime = SystemClock.uptimeMillis(); 1219 1220 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1221 startTime); 1222 1223 // Set flag to monitor and not change apk file paths when 1224 // scanning install directories. 1225 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1226 if (mNoDexOpt) { 1227 Slog.w(TAG, "Running ENG build: no pre-dexopt!"); 1228 scanMode |= SCAN_NO_DEX; 1229 } 1230 1231 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1232 1233 /** 1234 * Add everything in the in the boot class path to the 1235 * list of process files because dexopt will have been run 1236 * if necessary during zygote startup. 1237 */ 1238 String bootClassPath = System.getProperty("java.boot.class.path"); 1239 if (bootClassPath != null) { 1240 String[] paths = splitString(bootClassPath, ':'); 1241 for (int i=0; i<paths.length; i++) { 1242 alreadyDexOpted.add(paths[i]); 1243 } 1244 } else { 1245 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1246 } 1247 1248 boolean didDexOpt = false; 1249 1250 final List<String> instructionSets = getAllInstructionSets(); 1251 1252 /** 1253 * Ensure all external libraries have had dexopt run on them. 1254 */ 1255 if (mSharedLibraries.size() > 0) { 1256 // NOTE: For now, we're compiling these system "shared libraries" 1257 // (and framework jars) into all available architectures. It's possible 1258 // to compile them only when we come across an app that uses them (there's 1259 // already logic for that in scanPackageLI) but that adds some complexity. 1260 for (String instructionSet : instructionSets) { 1261 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1262 final String lib = libEntry.path; 1263 if (lib == null) { 1264 continue; 1265 } 1266 1267 try { 1268 if (dalvik.system.DexFile.isDexOptNeededInternal( 1269 lib, null, instructionSet, false)) { 1270 alreadyDexOpted.add(lib); 1271 1272 // The list of "shared libraries" we have at this point is 1273 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1274 didDexOpt = true; 1275 } 1276 } catch (FileNotFoundException e) { 1277 Slog.w(TAG, "Library not found: " + lib); 1278 } catch (IOException e) { 1279 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1280 + e.getMessage()); 1281 } 1282 } 1283 } 1284 } 1285 1286 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1287 1288 // Gross hack for now: we know this file doesn't contain any 1289 // code, so don't dexopt it to avoid the resulting log spew. 1290 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1291 1292 // Gross hack for now: we know this file is only part of 1293 // the boot class path for art, so don't dexopt it to 1294 // avoid the resulting log spew. 1295 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1296 1297 /** 1298 * And there are a number of commands implemented in Java, which 1299 * we currently need to do the dexopt on so that they can be 1300 * run from a non-root shell. 1301 */ 1302 String[] frameworkFiles = frameworkDir.list(); 1303 if (frameworkFiles != null) { 1304 // TODO: We could compile these only for the most preferred ABI. We should 1305 // first double check that the dex files for these commands are not referenced 1306 // by other system apps. 1307 for (String instructionSet : instructionSets) { 1308 for (int i=0; i<frameworkFiles.length; i++) { 1309 File libPath = new File(frameworkDir, frameworkFiles[i]); 1310 String path = libPath.getPath(); 1311 // Skip the file if we already did it. 1312 if (alreadyDexOpted.contains(path)) { 1313 continue; 1314 } 1315 // Skip the file if it is not a type we want to dexopt. 1316 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1317 continue; 1318 } 1319 try { 1320 if (dalvik.system.DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1321 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1322 didDexOpt = true; 1323 } 1324 } catch (FileNotFoundException e) { 1325 Slog.w(TAG, "Jar not found: " + path); 1326 } catch (IOException e) { 1327 Slog.w(TAG, "Exception reading jar: " + path, e); 1328 } 1329 } 1330 } 1331 } 1332 1333 if (didDexOpt) { 1334 pruneDexFiles(new File(dataDir, "dalvik-cache")); 1335 } 1336 1337 // Collect vendor overlay packages. 1338 // (Do this before scanning any apps.) 1339 // For security and version matching reason, only consider 1340 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1341 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1342 mVendorOverlayInstallObserver = new AppDirObserver( 1343 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1344 mVendorOverlayInstallObserver.startWatching(); 1345 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1346 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1347 1348 // Find base frameworks (resource packages without code). 1349 mFrameworkInstallObserver = new AppDirObserver( 1350 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1351 mFrameworkInstallObserver.startWatching(); 1352 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1353 | PackageParser.PARSE_IS_SYSTEM_DIR 1354 | PackageParser.PARSE_IS_PRIVILEGED, 1355 scanMode | SCAN_NO_DEX, 0); 1356 1357 // Collected privileged system packages. 1358 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1359 mPrivilegedInstallObserver = new AppDirObserver( 1360 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1361 mPrivilegedInstallObserver.startWatching(); 1362 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1363 | PackageParser.PARSE_IS_SYSTEM_DIR 1364 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1365 1366 // Collect ordinary system packages. 1367 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1368 mSystemInstallObserver = new AppDirObserver( 1369 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1370 mSystemInstallObserver.startWatching(); 1371 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1372 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1373 1374 // Collect all vendor packages. 1375 File vendorAppDir = new File("/vendor/app"); 1376 try { 1377 vendorAppDir = vendorAppDir.getCanonicalFile(); 1378 } catch (IOException e) { 1379 // failed to look up canonical path, continue with original one 1380 } 1381 mVendorInstallObserver = new AppDirObserver( 1382 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1383 mVendorInstallObserver.startWatching(); 1384 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1385 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1386 1387 // Collect all OEM packages. 1388 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1389 mOemInstallObserver = new AppDirObserver( 1390 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1391 mOemInstallObserver.startWatching(); 1392 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1393 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1394 1395 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1396 mInstaller.moveFiles(); 1397 1398 // Prune any system packages that no longer exist. 1399 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1400 if (!mOnlyCore) { 1401 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1402 while (psit.hasNext()) { 1403 PackageSetting ps = psit.next(); 1404 1405 /* 1406 * If this is not a system app, it can't be a 1407 * disable system app. 1408 */ 1409 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1410 continue; 1411 } 1412 1413 /* 1414 * If the package is scanned, it's not erased. 1415 */ 1416 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1417 if (scannedPkg != null) { 1418 /* 1419 * If the system app is both scanned and in the 1420 * disabled packages list, then it must have been 1421 * added via OTA. Remove it from the currently 1422 * scanned package so the previously user-installed 1423 * application can be scanned. 1424 */ 1425 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1426 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1427 + "; removing system app"); 1428 removePackageLI(ps, true); 1429 } 1430 1431 continue; 1432 } 1433 1434 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1435 psit.remove(); 1436 String msg = "System package " + ps.name 1437 + " no longer exists; wiping its data"; 1438 reportSettingsProblem(Log.WARN, msg); 1439 removeDataDirsLI(ps.name); 1440 } else { 1441 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1442 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1443 possiblyDeletedUpdatedSystemApps.add(ps.name); 1444 } 1445 } 1446 } 1447 } 1448 1449 //look for any incomplete package installations 1450 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1451 //clean up list 1452 for(int i = 0; i < deletePkgsList.size(); i++) { 1453 //clean up here 1454 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1455 } 1456 //delete tmp files 1457 deleteTempPackageFiles(); 1458 1459 // Remove any shared userIDs that have no associated packages 1460 mSettings.pruneSharedUsersLPw(); 1461 1462 if (!mOnlyCore) { 1463 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1464 SystemClock.uptimeMillis()); 1465 mAppInstallObserver = new AppDirObserver( 1466 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1467 mAppInstallObserver.startWatching(); 1468 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1469 1470 mDrmAppInstallObserver = new AppDirObserver( 1471 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1472 mDrmAppInstallObserver.startWatching(); 1473 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1474 scanMode, 0); 1475 1476 /** 1477 * Remove disable package settings for any updated system 1478 * apps that were removed via an OTA. If they're not a 1479 * previously-updated app, remove them completely. 1480 * Otherwise, just revoke their system-level permissions. 1481 */ 1482 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1483 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1484 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1485 1486 String msg; 1487 if (deletedPkg == null) { 1488 msg = "Updated system package " + deletedAppName 1489 + " no longer exists; wiping its data"; 1490 removeDataDirsLI(deletedAppName); 1491 } else { 1492 msg = "Updated system app + " + deletedAppName 1493 + " no longer present; removing system privileges for " 1494 + deletedAppName; 1495 1496 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1497 1498 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1499 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1500 } 1501 reportSettingsProblem(Log.WARN, msg); 1502 } 1503 } else { 1504 mAppInstallObserver = null; 1505 mDrmAppInstallObserver = null; 1506 } 1507 1508 // Now that we know all of the shared libraries, update all clients to have 1509 // the correct library paths. 1510 updateAllSharedLibrariesLPw(); 1511 1512 1513 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1514 adjustCpuAbisForSharedUserLPw(setting.packages, true /* do dexopt */, 1515 false /* force dexopt */, false /* defer dexopt */); 1516 } 1517 1518 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1519 SystemClock.uptimeMillis()); 1520 Slog.i(TAG, "Time to scan packages: " 1521 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1522 + " seconds"); 1523 1524 // If the platform SDK has changed since the last time we booted, 1525 // we need to re-grant app permission to catch any new ones that 1526 // appear. This is really a hack, and means that apps can in some 1527 // cases get permissions that the user didn't initially explicitly 1528 // allow... it would be nice to have some better way to handle 1529 // this situation. 1530 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1531 != mSdkVersion; 1532 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1533 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1534 + "; regranting permissions for internal storage"); 1535 mSettings.mInternalSdkPlatform = mSdkVersion; 1536 1537 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1538 | (regrantPermissions 1539 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1540 : 0)); 1541 1542 // If this is the first boot, and it is a normal boot, then 1543 // we need to initialize the default preferred apps. 1544 if (!mRestoredSettings && !onlyCore) { 1545 mSettings.readDefaultPreferredAppsLPw(this, 0); 1546 } 1547 1548 // All the changes are done during package scanning. 1549 mSettings.updateInternalDatabaseVersion(); 1550 1551 // can downgrade to reader 1552 mSettings.writeLPr(); 1553 1554 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1555 SystemClock.uptimeMillis()); 1556 1557 // Now after opening every single application zip, make sure they 1558 // are all flushed. Not really needed, but keeps things nice and 1559 // tidy. 1560 Runtime.getRuntime().gc(); 1561 1562 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1563 } // synchronized (mPackages) 1564 } // synchronized (mInstallLock) 1565 } 1566 1567 private static void pruneDexFiles(File cacheDir) { 1568 // If we had to do a dexopt of one of the previous 1569 // things, then something on the system has changed. 1570 // Consider this significant, and wipe away all other 1571 // existing dexopt files to ensure we don't leave any 1572 // dangling around. 1573 // 1574 // Additionally, delete all dex files from the root directory 1575 // since there shouldn't be any there anyway. 1576 File[] files = cacheDir.listFiles(); 1577 if (files != null) { 1578 for (File file : files) { 1579 if (!file.isDirectory()) { 1580 Slog.i(TAG, "Pruning dalvik file: " + file.getAbsolutePath()); 1581 file.delete(); 1582 } else { 1583 File[] subDirList = file.listFiles(); 1584 if (subDirList != null) { 1585 for (File subDirFile : subDirList) { 1586 final String fn = subDirFile.getName(); 1587 if (fn.startsWith("data@app@") || fn.startsWith("data@app-private@")) { 1588 Slog.i(TAG, "Pruning dalvik file: " + fn); 1589 subDirFile.delete(); 1590 } 1591 } 1592 } 1593 } 1594 } 1595 } 1596 } 1597 1598 public boolean isFirstBoot() { 1599 return !mRestoredSettings; 1600 } 1601 1602 public boolean isOnlyCoreApps() { 1603 return mOnlyCore; 1604 } 1605 1606 private String getRequiredVerifierLPr() { 1607 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1608 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1609 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1610 1611 String requiredVerifier = null; 1612 1613 final int N = receivers.size(); 1614 for (int i = 0; i < N; i++) { 1615 final ResolveInfo info = receivers.get(i); 1616 1617 if (info.activityInfo == null) { 1618 continue; 1619 } 1620 1621 final String packageName = info.activityInfo.packageName; 1622 1623 final PackageSetting ps = mSettings.mPackages.get(packageName); 1624 if (ps == null) { 1625 continue; 1626 } 1627 1628 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1629 if (!gp.grantedPermissions 1630 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1631 continue; 1632 } 1633 1634 if (requiredVerifier != null) { 1635 throw new RuntimeException("There can be only one required verifier"); 1636 } 1637 1638 requiredVerifier = packageName; 1639 } 1640 1641 return requiredVerifier; 1642 } 1643 1644 @Override 1645 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1646 throws RemoteException { 1647 try { 1648 return super.onTransact(code, data, reply, flags); 1649 } catch (RuntimeException e) { 1650 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1651 Slog.wtf(TAG, "Package Manager Crash", e); 1652 } 1653 throw e; 1654 } 1655 } 1656 1657 void cleanupInstallFailedPackage(PackageSetting ps) { 1658 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1659 removeDataDirsLI(ps.name); 1660 if (ps.codePath != null) { 1661 if (!ps.codePath.delete()) { 1662 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1663 } 1664 } 1665 if (ps.resourcePath != null) { 1666 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1667 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1668 } 1669 } 1670 mSettings.removePackageLPw(ps.name); 1671 } 1672 1673 void readPermissions(File libraryDir, boolean onlyFeatures) { 1674 // Read permissions from .../etc/permission directory. 1675 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1676 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1677 return; 1678 } 1679 if (!libraryDir.canRead()) { 1680 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1681 return; 1682 } 1683 1684 // Iterate over the files in the directory and scan .xml files 1685 for (File f : libraryDir.listFiles()) { 1686 // We'll read platform.xml last 1687 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1688 continue; 1689 } 1690 1691 if (!f.getPath().endsWith(".xml")) { 1692 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1693 continue; 1694 } 1695 if (!f.canRead()) { 1696 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1697 continue; 1698 } 1699 1700 readPermissionsFromXml(f, onlyFeatures); 1701 } 1702 1703 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1704 final File permFile = new File(Environment.getRootDirectory(), 1705 "etc/permissions/platform.xml"); 1706 readPermissionsFromXml(permFile, onlyFeatures); 1707 } 1708 1709 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1710 FileReader permReader = null; 1711 try { 1712 permReader = new FileReader(permFile); 1713 } catch (FileNotFoundException e) { 1714 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1715 return; 1716 } 1717 1718 try { 1719 XmlPullParser parser = Xml.newPullParser(); 1720 parser.setInput(permReader); 1721 1722 XmlUtils.beginDocument(parser, "permissions"); 1723 1724 while (true) { 1725 XmlUtils.nextElement(parser); 1726 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1727 break; 1728 } 1729 1730 String name = parser.getName(); 1731 if ("group".equals(name) && !onlyFeatures) { 1732 String gidStr = parser.getAttributeValue(null, "gid"); 1733 if (gidStr != null) { 1734 int gid = Process.getGidForName(gidStr); 1735 mGlobalGids = appendInt(mGlobalGids, gid); 1736 } else { 1737 Slog.w(TAG, "<group> without gid at " 1738 + parser.getPositionDescription()); 1739 } 1740 1741 XmlUtils.skipCurrentTag(parser); 1742 continue; 1743 } else if ("permission".equals(name) && !onlyFeatures) { 1744 String perm = parser.getAttributeValue(null, "name"); 1745 if (perm == null) { 1746 Slog.w(TAG, "<permission> without name at " 1747 + parser.getPositionDescription()); 1748 XmlUtils.skipCurrentTag(parser); 1749 continue; 1750 } 1751 perm = perm.intern(); 1752 readPermission(parser, perm); 1753 1754 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1755 String perm = parser.getAttributeValue(null, "name"); 1756 if (perm == null) { 1757 Slog.w(TAG, "<assign-permission> without name at " 1758 + parser.getPositionDescription()); 1759 XmlUtils.skipCurrentTag(parser); 1760 continue; 1761 } 1762 String uidStr = parser.getAttributeValue(null, "uid"); 1763 if (uidStr == null) { 1764 Slog.w(TAG, "<assign-permission> without uid at " 1765 + parser.getPositionDescription()); 1766 XmlUtils.skipCurrentTag(parser); 1767 continue; 1768 } 1769 int uid = Process.getUidForName(uidStr); 1770 if (uid < 0) { 1771 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1772 + uidStr + "\" at " 1773 + parser.getPositionDescription()); 1774 XmlUtils.skipCurrentTag(parser); 1775 continue; 1776 } 1777 perm = perm.intern(); 1778 HashSet<String> perms = mSystemPermissions.get(uid); 1779 if (perms == null) { 1780 perms = new HashSet<String>(); 1781 mSystemPermissions.put(uid, perms); 1782 } 1783 perms.add(perm); 1784 XmlUtils.skipCurrentTag(parser); 1785 1786 } else if ("library".equals(name) && !onlyFeatures) { 1787 String lname = parser.getAttributeValue(null, "name"); 1788 String lfile = parser.getAttributeValue(null, "file"); 1789 if (lname == null) { 1790 Slog.w(TAG, "<library> without name at " 1791 + parser.getPositionDescription()); 1792 } else if (lfile == null) { 1793 Slog.w(TAG, "<library> without file at " 1794 + parser.getPositionDescription()); 1795 } else { 1796 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1797 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1798 } 1799 XmlUtils.skipCurrentTag(parser); 1800 continue; 1801 1802 } else if ("feature".equals(name)) { 1803 String fname = parser.getAttributeValue(null, "name"); 1804 if (fname == null) { 1805 Slog.w(TAG, "<feature> without name at " 1806 + parser.getPositionDescription()); 1807 } else { 1808 //Log.i(TAG, "Got feature " + fname); 1809 FeatureInfo fi = new FeatureInfo(); 1810 fi.name = fname; 1811 mAvailableFeatures.put(fname, fi); 1812 } 1813 XmlUtils.skipCurrentTag(parser); 1814 continue; 1815 1816 } else { 1817 XmlUtils.skipCurrentTag(parser); 1818 continue; 1819 } 1820 1821 } 1822 permReader.close(); 1823 } catch (XmlPullParserException e) { 1824 Slog.w(TAG, "Got execption parsing permissions.", e); 1825 } catch (IOException e) { 1826 Slog.w(TAG, "Got execption parsing permissions.", e); 1827 } 1828 } 1829 1830 void readPermission(XmlPullParser parser, String name) 1831 throws IOException, XmlPullParserException { 1832 1833 name = name.intern(); 1834 1835 BasePermission bp = mSettings.mPermissions.get(name); 1836 if (bp == null) { 1837 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1838 mSettings.mPermissions.put(name, bp); 1839 } 1840 int outerDepth = parser.getDepth(); 1841 int type; 1842 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1843 && (type != XmlPullParser.END_TAG 1844 || parser.getDepth() > outerDepth)) { 1845 if (type == XmlPullParser.END_TAG 1846 || type == XmlPullParser.TEXT) { 1847 continue; 1848 } 1849 1850 String tagName = parser.getName(); 1851 if ("group".equals(tagName)) { 1852 String gidStr = parser.getAttributeValue(null, "gid"); 1853 if (gidStr != null) { 1854 int gid = Process.getGidForName(gidStr); 1855 bp.gids = appendInt(bp.gids, gid); 1856 } else { 1857 Slog.w(TAG, "<group> without gid at " 1858 + parser.getPositionDescription()); 1859 } 1860 } 1861 XmlUtils.skipCurrentTag(parser); 1862 } 1863 } 1864 1865 static int[] appendInts(int[] cur, int[] add) { 1866 if (add == null) return cur; 1867 if (cur == null) return add; 1868 final int N = add.length; 1869 for (int i=0; i<N; i++) { 1870 cur = appendInt(cur, add[i]); 1871 } 1872 return cur; 1873 } 1874 1875 static int[] removeInts(int[] cur, int[] rem) { 1876 if (rem == null) return cur; 1877 if (cur == null) return cur; 1878 final int N = rem.length; 1879 for (int i=0; i<N; i++) { 1880 cur = removeInt(cur, rem[i]); 1881 } 1882 return cur; 1883 } 1884 1885 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1886 if (!sUserManager.exists(userId)) return null; 1887 final PackageSetting ps = (PackageSetting) p.mExtras; 1888 if (ps == null) { 1889 return null; 1890 } 1891 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1892 final PackageUserState state = ps.readUserState(userId); 1893 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1894 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1895 state, userId); 1896 } 1897 1898 public boolean isPackageAvailable(String packageName, int userId) { 1899 if (!sUserManager.exists(userId)) return false; 1900 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1901 synchronized (mPackages) { 1902 PackageParser.Package p = mPackages.get(packageName); 1903 if (p != null) { 1904 final PackageSetting ps = (PackageSetting) p.mExtras; 1905 if (ps != null) { 1906 final PackageUserState state = ps.readUserState(userId); 1907 if (state != null) { 1908 return PackageParser.isAvailable(state); 1909 } 1910 } 1911 } 1912 } 1913 return false; 1914 } 1915 1916 @Override 1917 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1918 if (!sUserManager.exists(userId)) return null; 1919 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1920 // reader 1921 synchronized (mPackages) { 1922 PackageParser.Package p = mPackages.get(packageName); 1923 if (DEBUG_PACKAGE_INFO) 1924 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1925 if (p != null) { 1926 return generatePackageInfo(p, flags, userId); 1927 } 1928 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1929 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1930 } 1931 } 1932 return null; 1933 } 1934 1935 public String[] currentToCanonicalPackageNames(String[] names) { 1936 String[] out = new String[names.length]; 1937 // reader 1938 synchronized (mPackages) { 1939 for (int i=names.length-1; i>=0; i--) { 1940 PackageSetting ps = mSettings.mPackages.get(names[i]); 1941 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1942 } 1943 } 1944 return out; 1945 } 1946 1947 public String[] canonicalToCurrentPackageNames(String[] names) { 1948 String[] out = new String[names.length]; 1949 // reader 1950 synchronized (mPackages) { 1951 for (int i=names.length-1; i>=0; i--) { 1952 String cur = mSettings.mRenamedPackages.get(names[i]); 1953 out[i] = cur != null ? cur : names[i]; 1954 } 1955 } 1956 return out; 1957 } 1958 1959 @Override 1960 public int getPackageUid(String packageName, int userId) { 1961 if (!sUserManager.exists(userId)) return -1; 1962 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1963 // reader 1964 synchronized (mPackages) { 1965 PackageParser.Package p = mPackages.get(packageName); 1966 if(p != null) { 1967 return UserHandle.getUid(userId, p.applicationInfo.uid); 1968 } 1969 PackageSetting ps = mSettings.mPackages.get(packageName); 1970 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1971 return -1; 1972 } 1973 p = ps.pkg; 1974 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1975 } 1976 } 1977 1978 @Override 1979 public int[] getPackageGids(String packageName) { 1980 // reader 1981 synchronized (mPackages) { 1982 PackageParser.Package p = mPackages.get(packageName); 1983 if (DEBUG_PACKAGE_INFO) 1984 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1985 if (p != null) { 1986 final PackageSetting ps = (PackageSetting)p.mExtras; 1987 return ps.getGids(); 1988 } 1989 } 1990 // stupid thing to indicate an error. 1991 return new int[0]; 1992 } 1993 1994 static final PermissionInfo generatePermissionInfo( 1995 BasePermission bp, int flags) { 1996 if (bp.perm != null) { 1997 return PackageParser.generatePermissionInfo(bp.perm, flags); 1998 } 1999 PermissionInfo pi = new PermissionInfo(); 2000 pi.name = bp.name; 2001 pi.packageName = bp.sourcePackage; 2002 pi.nonLocalizedLabel = bp.name; 2003 pi.protectionLevel = bp.protectionLevel; 2004 return pi; 2005 } 2006 2007 public PermissionInfo getPermissionInfo(String name, int flags) { 2008 // reader 2009 synchronized (mPackages) { 2010 final BasePermission p = mSettings.mPermissions.get(name); 2011 if (p != null) { 2012 return generatePermissionInfo(p, flags); 2013 } 2014 return null; 2015 } 2016 } 2017 2018 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2019 // reader 2020 synchronized (mPackages) { 2021 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2022 for (BasePermission p : mSettings.mPermissions.values()) { 2023 if (group == null) { 2024 if (p.perm == null || p.perm.info.group == null) { 2025 out.add(generatePermissionInfo(p, flags)); 2026 } 2027 } else { 2028 if (p.perm != null && group.equals(p.perm.info.group)) { 2029 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2030 } 2031 } 2032 } 2033 2034 if (out.size() > 0) { 2035 return out; 2036 } 2037 return mPermissionGroups.containsKey(group) ? out : null; 2038 } 2039 } 2040 2041 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2042 // reader 2043 synchronized (mPackages) { 2044 return PackageParser.generatePermissionGroupInfo( 2045 mPermissionGroups.get(name), flags); 2046 } 2047 } 2048 2049 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2050 // reader 2051 synchronized (mPackages) { 2052 final int N = mPermissionGroups.size(); 2053 ArrayList<PermissionGroupInfo> out 2054 = new ArrayList<PermissionGroupInfo>(N); 2055 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2056 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2057 } 2058 return out; 2059 } 2060 } 2061 2062 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2063 int userId) { 2064 if (!sUserManager.exists(userId)) return null; 2065 PackageSetting ps = mSettings.mPackages.get(packageName); 2066 if (ps != null) { 2067 if (ps.pkg == null) { 2068 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2069 flags, userId); 2070 if (pInfo != null) { 2071 return pInfo.applicationInfo; 2072 } 2073 return null; 2074 } 2075 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2076 ps.readUserState(userId), userId); 2077 } 2078 return null; 2079 } 2080 2081 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2082 int userId) { 2083 if (!sUserManager.exists(userId)) return null; 2084 PackageSetting ps = mSettings.mPackages.get(packageName); 2085 if (ps != null) { 2086 PackageParser.Package pkg = ps.pkg; 2087 if (pkg == null) { 2088 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2089 return null; 2090 } 2091 pkg = new PackageParser.Package(packageName); 2092 pkg.applicationInfo.packageName = packageName; 2093 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2094 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2095 pkg.applicationInfo.sourceDir = ps.codePathString; 2096 pkg.applicationInfo.dataDir = 2097 getDataPathForPackage(packageName, 0).getPath(); 2098 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2099 pkg.applicationInfo.requiredCpuAbi = ps.requiredCpuAbiString; 2100 } 2101 return generatePackageInfo(pkg, flags, userId); 2102 } 2103 return null; 2104 } 2105 2106 @Override 2107 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2108 if (!sUserManager.exists(userId)) return null; 2109 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2110 // writer 2111 synchronized (mPackages) { 2112 PackageParser.Package p = mPackages.get(packageName); 2113 if (DEBUG_PACKAGE_INFO) Log.v( 2114 TAG, "getApplicationInfo " + packageName 2115 + ": " + p); 2116 if (p != null) { 2117 PackageSetting ps = mSettings.mPackages.get(packageName); 2118 if (ps == null) return null; 2119 // Note: isEnabledLP() does not apply here - always return info 2120 return PackageParser.generateApplicationInfo( 2121 p, flags, ps.readUserState(userId), userId); 2122 } 2123 if ("android".equals(packageName)||"system".equals(packageName)) { 2124 return mAndroidApplication; 2125 } 2126 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2127 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2128 } 2129 } 2130 return null; 2131 } 2132 2133 2134 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2135 mContext.enforceCallingOrSelfPermission( 2136 android.Manifest.permission.CLEAR_APP_CACHE, null); 2137 // Queue up an async operation since clearing cache may take a little while. 2138 mHandler.post(new Runnable() { 2139 public void run() { 2140 mHandler.removeCallbacks(this); 2141 int retCode = -1; 2142 synchronized (mInstallLock) { 2143 retCode = mInstaller.freeCache(freeStorageSize); 2144 if (retCode < 0) { 2145 Slog.w(TAG, "Couldn't clear application caches"); 2146 } 2147 } 2148 if (observer != null) { 2149 try { 2150 observer.onRemoveCompleted(null, (retCode >= 0)); 2151 } catch (RemoteException e) { 2152 Slog.w(TAG, "RemoveException when invoking call back"); 2153 } 2154 } 2155 } 2156 }); 2157 } 2158 2159 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2160 mContext.enforceCallingOrSelfPermission( 2161 android.Manifest.permission.CLEAR_APP_CACHE, null); 2162 // Queue up an async operation since clearing cache may take a little while. 2163 mHandler.post(new Runnable() { 2164 public void run() { 2165 mHandler.removeCallbacks(this); 2166 int retCode = -1; 2167 synchronized (mInstallLock) { 2168 retCode = mInstaller.freeCache(freeStorageSize); 2169 if (retCode < 0) { 2170 Slog.w(TAG, "Couldn't clear application caches"); 2171 } 2172 } 2173 if(pi != null) { 2174 try { 2175 // Callback via pending intent 2176 int code = (retCode >= 0) ? 1 : 0; 2177 pi.sendIntent(null, code, null, 2178 null, null); 2179 } catch (SendIntentException e1) { 2180 Slog.i(TAG, "Failed to send pending intent"); 2181 } 2182 } 2183 } 2184 }); 2185 } 2186 2187 @Override 2188 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2189 if (!sUserManager.exists(userId)) return null; 2190 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2191 synchronized (mPackages) { 2192 PackageParser.Activity a = mActivities.mActivities.get(component); 2193 2194 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2195 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2196 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2197 if (ps == null) return null; 2198 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2199 userId); 2200 } 2201 if (mResolveComponentName.equals(component)) { 2202 return mResolveActivity; 2203 } 2204 } 2205 return null; 2206 } 2207 2208 @Override 2209 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2210 String resolvedType) { 2211 synchronized (mPackages) { 2212 PackageParser.Activity a = mActivities.mActivities.get(component); 2213 if (a == null) { 2214 return false; 2215 } 2216 for (int i=0; i<a.intents.size(); i++) { 2217 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2218 intent.getData(), intent.getCategories(), TAG) >= 0) { 2219 return true; 2220 } 2221 } 2222 return false; 2223 } 2224 } 2225 2226 @Override 2227 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2228 if (!sUserManager.exists(userId)) return null; 2229 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2230 synchronized (mPackages) { 2231 PackageParser.Activity a = mReceivers.mActivities.get(component); 2232 if (DEBUG_PACKAGE_INFO) Log.v( 2233 TAG, "getReceiverInfo " + component + ": " + a); 2234 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2235 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2236 if (ps == null) return null; 2237 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2238 userId); 2239 } 2240 } 2241 return null; 2242 } 2243 2244 @Override 2245 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2246 if (!sUserManager.exists(userId)) return null; 2247 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2248 synchronized (mPackages) { 2249 PackageParser.Service s = mServices.mServices.get(component); 2250 if (DEBUG_PACKAGE_INFO) Log.v( 2251 TAG, "getServiceInfo " + component + ": " + s); 2252 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2253 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2254 if (ps == null) return null; 2255 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2256 userId); 2257 } 2258 } 2259 return null; 2260 } 2261 2262 @Override 2263 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2264 if (!sUserManager.exists(userId)) return null; 2265 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2266 synchronized (mPackages) { 2267 PackageParser.Provider p = mProviders.mProviders.get(component); 2268 if (DEBUG_PACKAGE_INFO) Log.v( 2269 TAG, "getProviderInfo " + component + ": " + p); 2270 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2271 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2272 if (ps == null) return null; 2273 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2274 userId); 2275 } 2276 } 2277 return null; 2278 } 2279 2280 public String[] getSystemSharedLibraryNames() { 2281 Set<String> libSet; 2282 synchronized (mPackages) { 2283 libSet = mSharedLibraries.keySet(); 2284 int size = libSet.size(); 2285 if (size > 0) { 2286 String[] libs = new String[size]; 2287 libSet.toArray(libs); 2288 return libs; 2289 } 2290 } 2291 return null; 2292 } 2293 2294 public FeatureInfo[] getSystemAvailableFeatures() { 2295 Collection<FeatureInfo> featSet; 2296 synchronized (mPackages) { 2297 featSet = mAvailableFeatures.values(); 2298 int size = featSet.size(); 2299 if (size > 0) { 2300 FeatureInfo[] features = new FeatureInfo[size+1]; 2301 featSet.toArray(features); 2302 FeatureInfo fi = new FeatureInfo(); 2303 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2304 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2305 features[size] = fi; 2306 return features; 2307 } 2308 } 2309 return null; 2310 } 2311 2312 public boolean hasSystemFeature(String name) { 2313 synchronized (mPackages) { 2314 return mAvailableFeatures.containsKey(name); 2315 } 2316 } 2317 2318 private void checkValidCaller(int uid, int userId) { 2319 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2320 return; 2321 2322 throw new SecurityException("Caller uid=" + uid 2323 + " is not privileged to communicate with user=" + userId); 2324 } 2325 2326 public int checkPermission(String permName, String pkgName) { 2327 synchronized (mPackages) { 2328 PackageParser.Package p = mPackages.get(pkgName); 2329 if (p != null && p.mExtras != null) { 2330 PackageSetting ps = (PackageSetting)p.mExtras; 2331 if (ps.sharedUser != null) { 2332 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2333 return PackageManager.PERMISSION_GRANTED; 2334 } 2335 } else if (ps.grantedPermissions.contains(permName)) { 2336 return PackageManager.PERMISSION_GRANTED; 2337 } 2338 } 2339 } 2340 return PackageManager.PERMISSION_DENIED; 2341 } 2342 2343 public int checkUidPermission(String permName, int uid) { 2344 synchronized (mPackages) { 2345 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2346 if (obj != null) { 2347 GrantedPermissions gp = (GrantedPermissions)obj; 2348 if (gp.grantedPermissions.contains(permName)) { 2349 return PackageManager.PERMISSION_GRANTED; 2350 } 2351 } else { 2352 HashSet<String> perms = mSystemPermissions.get(uid); 2353 if (perms != null && perms.contains(permName)) { 2354 return PackageManager.PERMISSION_GRANTED; 2355 } 2356 } 2357 } 2358 return PackageManager.PERMISSION_DENIED; 2359 } 2360 2361 /** 2362 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2363 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2364 * @param message the message to log on security exception 2365 * @return 2366 */ 2367 private void enforceCrossUserPermission(int callingUid, int userId, 2368 boolean requireFullPermission, String message) { 2369 if (userId < 0) { 2370 throw new IllegalArgumentException("Invalid userId " + userId); 2371 } 2372 if (userId == UserHandle.getUserId(callingUid)) return; 2373 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2374 if (requireFullPermission) { 2375 mContext.enforceCallingOrSelfPermission( 2376 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2377 } else { 2378 try { 2379 mContext.enforceCallingOrSelfPermission( 2380 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2381 } catch (SecurityException se) { 2382 mContext.enforceCallingOrSelfPermission( 2383 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2384 } 2385 } 2386 } 2387 } 2388 2389 private BasePermission findPermissionTreeLP(String permName) { 2390 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2391 if (permName.startsWith(bp.name) && 2392 permName.length() > bp.name.length() && 2393 permName.charAt(bp.name.length()) == '.') { 2394 return bp; 2395 } 2396 } 2397 return null; 2398 } 2399 2400 private BasePermission checkPermissionTreeLP(String permName) { 2401 if (permName != null) { 2402 BasePermission bp = findPermissionTreeLP(permName); 2403 if (bp != null) { 2404 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2405 return bp; 2406 } 2407 throw new SecurityException("Calling uid " 2408 + Binder.getCallingUid() 2409 + " is not allowed to add to permission tree " 2410 + bp.name + " owned by uid " + bp.uid); 2411 } 2412 } 2413 throw new SecurityException("No permission tree found for " + permName); 2414 } 2415 2416 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2417 if (s1 == null) { 2418 return s2 == null; 2419 } 2420 if (s2 == null) { 2421 return false; 2422 } 2423 if (s1.getClass() != s2.getClass()) { 2424 return false; 2425 } 2426 return s1.equals(s2); 2427 } 2428 2429 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2430 if (pi1.icon != pi2.icon) return false; 2431 if (pi1.logo != pi2.logo) return false; 2432 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2433 if (!compareStrings(pi1.name, pi2.name)) return false; 2434 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2435 // We'll take care of setting this one. 2436 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2437 // These are not currently stored in settings. 2438 //if (!compareStrings(pi1.group, pi2.group)) return false; 2439 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2440 //if (pi1.labelRes != pi2.labelRes) return false; 2441 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2442 return true; 2443 } 2444 2445 int permissionInfoFootprint(PermissionInfo info) { 2446 int size = info.name.length(); 2447 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2448 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2449 return size; 2450 } 2451 2452 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2453 int size = 0; 2454 for (BasePermission perm : mSettings.mPermissions.values()) { 2455 if (perm.uid == tree.uid) { 2456 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2457 } 2458 } 2459 return size; 2460 } 2461 2462 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2463 // We calculate the max size of permissions defined by this uid and throw 2464 // if that plus the size of 'info' would exceed our stated maximum. 2465 if (tree.uid != Process.SYSTEM_UID) { 2466 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2467 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2468 throw new SecurityException("Permission tree size cap exceeded"); 2469 } 2470 } 2471 } 2472 2473 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2474 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2475 throw new SecurityException("Label must be specified in permission"); 2476 } 2477 BasePermission tree = checkPermissionTreeLP(info.name); 2478 BasePermission bp = mSettings.mPermissions.get(info.name); 2479 boolean added = bp == null; 2480 boolean changed = true; 2481 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2482 if (added) { 2483 enforcePermissionCapLocked(info, tree); 2484 bp = new BasePermission(info.name, tree.sourcePackage, 2485 BasePermission.TYPE_DYNAMIC); 2486 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2487 throw new SecurityException( 2488 "Not allowed to modify non-dynamic permission " 2489 + info.name); 2490 } else { 2491 if (bp.protectionLevel == fixedLevel 2492 && bp.perm.owner.equals(tree.perm.owner) 2493 && bp.uid == tree.uid 2494 && comparePermissionInfos(bp.perm.info, info)) { 2495 changed = false; 2496 } 2497 } 2498 bp.protectionLevel = fixedLevel; 2499 info = new PermissionInfo(info); 2500 info.protectionLevel = fixedLevel; 2501 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2502 bp.perm.info.packageName = tree.perm.info.packageName; 2503 bp.uid = tree.uid; 2504 if (added) { 2505 mSettings.mPermissions.put(info.name, bp); 2506 } 2507 if (changed) { 2508 if (!async) { 2509 mSettings.writeLPr(); 2510 } else { 2511 scheduleWriteSettingsLocked(); 2512 } 2513 } 2514 return added; 2515 } 2516 2517 public boolean addPermission(PermissionInfo info) { 2518 synchronized (mPackages) { 2519 return addPermissionLocked(info, false); 2520 } 2521 } 2522 2523 public boolean addPermissionAsync(PermissionInfo info) { 2524 synchronized (mPackages) { 2525 return addPermissionLocked(info, true); 2526 } 2527 } 2528 2529 public void removePermission(String name) { 2530 synchronized (mPackages) { 2531 checkPermissionTreeLP(name); 2532 BasePermission bp = mSettings.mPermissions.get(name); 2533 if (bp != null) { 2534 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2535 throw new SecurityException( 2536 "Not allowed to modify non-dynamic permission " 2537 + name); 2538 } 2539 mSettings.mPermissions.remove(name); 2540 mSettings.writeLPr(); 2541 } 2542 } 2543 } 2544 2545 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2546 int index = pkg.requestedPermissions.indexOf(bp.name); 2547 if (index == -1) { 2548 throw new SecurityException("Package " + pkg.packageName 2549 + " has not requested permission " + bp.name); 2550 } 2551 boolean isNormal = 2552 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2553 == PermissionInfo.PROTECTION_NORMAL); 2554 boolean isDangerous = 2555 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2556 == PermissionInfo.PROTECTION_DANGEROUS); 2557 boolean isDevelopment = 2558 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2559 2560 if (!isNormal && !isDangerous && !isDevelopment) { 2561 throw new SecurityException("Permission " + bp.name 2562 + " is not a changeable permission type"); 2563 } 2564 2565 if (isNormal || isDangerous) { 2566 if (pkg.requestedPermissionsRequired.get(index)) { 2567 throw new SecurityException("Can't change " + bp.name 2568 + ". It is required by the application"); 2569 } 2570 } 2571 } 2572 2573 public void grantPermission(String packageName, String permissionName) { 2574 mContext.enforceCallingOrSelfPermission( 2575 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2576 synchronized (mPackages) { 2577 final PackageParser.Package pkg = mPackages.get(packageName); 2578 if (pkg == null) { 2579 throw new IllegalArgumentException("Unknown package: " + packageName); 2580 } 2581 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2582 if (bp == null) { 2583 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2584 } 2585 2586 checkGrantRevokePermissions(pkg, bp); 2587 2588 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2589 if (ps == null) { 2590 return; 2591 } 2592 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2593 if (gp.grantedPermissions.add(permissionName)) { 2594 if (ps.haveGids) { 2595 gp.gids = appendInts(gp.gids, bp.gids); 2596 } 2597 mSettings.writeLPr(); 2598 } 2599 } 2600 } 2601 2602 public void revokePermission(String packageName, String permissionName) { 2603 int changedAppId = -1; 2604 2605 synchronized (mPackages) { 2606 final PackageParser.Package pkg = mPackages.get(packageName); 2607 if (pkg == null) { 2608 throw new IllegalArgumentException("Unknown package: " + packageName); 2609 } 2610 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2611 mContext.enforceCallingOrSelfPermission( 2612 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2613 } 2614 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2615 if (bp == null) { 2616 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2617 } 2618 2619 checkGrantRevokePermissions(pkg, bp); 2620 2621 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2622 if (ps == null) { 2623 return; 2624 } 2625 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2626 if (gp.grantedPermissions.remove(permissionName)) { 2627 gp.grantedPermissions.remove(permissionName); 2628 if (ps.haveGids) { 2629 gp.gids = removeInts(gp.gids, bp.gids); 2630 } 2631 mSettings.writeLPr(); 2632 changedAppId = ps.appId; 2633 } 2634 } 2635 2636 if (changedAppId >= 0) { 2637 // We changed the perm on someone, kill its processes. 2638 IActivityManager am = ActivityManagerNative.getDefault(); 2639 if (am != null) { 2640 final int callingUserId = UserHandle.getCallingUserId(); 2641 final long ident = Binder.clearCallingIdentity(); 2642 try { 2643 //XXX we should only revoke for the calling user's app permissions, 2644 // but for now we impact all users. 2645 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2646 // "revoke " + permissionName); 2647 int[] users = sUserManager.getUserIds(); 2648 for (int user : users) { 2649 am.killUid(UserHandle.getUid(user, changedAppId), 2650 "revoke " + permissionName); 2651 } 2652 } catch (RemoteException e) { 2653 } finally { 2654 Binder.restoreCallingIdentity(ident); 2655 } 2656 } 2657 } 2658 } 2659 2660 public boolean isProtectedBroadcast(String actionName) { 2661 synchronized (mPackages) { 2662 return mProtectedBroadcasts.contains(actionName); 2663 } 2664 } 2665 2666 public int checkSignatures(String pkg1, String pkg2) { 2667 synchronized (mPackages) { 2668 final PackageParser.Package p1 = mPackages.get(pkg1); 2669 final PackageParser.Package p2 = mPackages.get(pkg2); 2670 if (p1 == null || p1.mExtras == null 2671 || p2 == null || p2.mExtras == null) { 2672 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2673 } 2674 return compareSignatures(p1.mSignatures, p2.mSignatures); 2675 } 2676 } 2677 2678 public int checkUidSignatures(int uid1, int uid2) { 2679 // Map to base uids. 2680 uid1 = UserHandle.getAppId(uid1); 2681 uid2 = UserHandle.getAppId(uid2); 2682 // reader 2683 synchronized (mPackages) { 2684 Signature[] s1; 2685 Signature[] s2; 2686 Object obj = mSettings.getUserIdLPr(uid1); 2687 if (obj != null) { 2688 if (obj instanceof SharedUserSetting) { 2689 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2690 } else if (obj instanceof PackageSetting) { 2691 s1 = ((PackageSetting)obj).signatures.mSignatures; 2692 } else { 2693 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2694 } 2695 } else { 2696 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2697 } 2698 obj = mSettings.getUserIdLPr(uid2); 2699 if (obj != null) { 2700 if (obj instanceof SharedUserSetting) { 2701 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2702 } else if (obj instanceof PackageSetting) { 2703 s2 = ((PackageSetting)obj).signatures.mSignatures; 2704 } else { 2705 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2706 } 2707 } else { 2708 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2709 } 2710 return compareSignatures(s1, s2); 2711 } 2712 } 2713 2714 /** 2715 * Compares two sets of signatures. Returns: 2716 * <br /> 2717 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2718 * <br /> 2719 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2720 * <br /> 2721 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2722 * <br /> 2723 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2724 * <br /> 2725 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2726 */ 2727 static int compareSignatures(Signature[] s1, Signature[] s2) { 2728 if (s1 == null) { 2729 return s2 == null 2730 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2731 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2732 } 2733 2734 if (s2 == null) { 2735 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2736 } 2737 2738 if (s1.length != s2.length) { 2739 return PackageManager.SIGNATURE_NO_MATCH; 2740 } 2741 2742 // Since both signature sets are of size 1, we can compare without HashSets. 2743 if (s1.length == 1) { 2744 return s1[0].equals(s2[0]) ? 2745 PackageManager.SIGNATURE_MATCH : 2746 PackageManager.SIGNATURE_NO_MATCH; 2747 } 2748 2749 HashSet<Signature> set1 = new HashSet<Signature>(); 2750 for (Signature sig : s1) { 2751 set1.add(sig); 2752 } 2753 HashSet<Signature> set2 = new HashSet<Signature>(); 2754 for (Signature sig : s2) { 2755 set2.add(sig); 2756 } 2757 // Make sure s2 contains all signatures in s1. 2758 if (set1.equals(set2)) { 2759 return PackageManager.SIGNATURE_MATCH; 2760 } 2761 return PackageManager.SIGNATURE_NO_MATCH; 2762 } 2763 2764 /** 2765 * If the database version for this type of package (internal storage or 2766 * external storage) is less than the version where package signatures 2767 * were updated, return true. 2768 */ 2769 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2770 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2771 DatabaseVersion.SIGNATURE_END_ENTITY)) 2772 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2773 DatabaseVersion.SIGNATURE_END_ENTITY)); 2774 } 2775 2776 /** 2777 * Used for backward compatibility to make sure any packages with 2778 * certificate chains get upgraded to the new style. {@code existingSigs} 2779 * will be in the old format (since they were stored on disk from before the 2780 * system upgrade) and {@code scannedSigs} will be in the newer format. 2781 */ 2782 private int compareSignaturesCompat(PackageSignatures existingSigs, 2783 PackageParser.Package scannedPkg) { 2784 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2785 return PackageManager.SIGNATURE_NO_MATCH; 2786 } 2787 2788 HashSet<Signature> existingSet = new HashSet<Signature>(); 2789 for (Signature sig : existingSigs.mSignatures) { 2790 existingSet.add(sig); 2791 } 2792 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2793 for (Signature sig : scannedPkg.mSignatures) { 2794 try { 2795 Signature[] chainSignatures = sig.getChainSignatures(); 2796 for (Signature chainSig : chainSignatures) { 2797 scannedCompatSet.add(chainSig); 2798 } 2799 } catch (CertificateEncodingException e) { 2800 scannedCompatSet.add(sig); 2801 } 2802 } 2803 /* 2804 * Make sure the expanded scanned set contains all signatures in the 2805 * existing one. 2806 */ 2807 if (scannedCompatSet.equals(existingSet)) { 2808 // Migrate the old signatures to the new scheme. 2809 existingSigs.assignSignatures(scannedPkg.mSignatures); 2810 // The new KeySets will be re-added later in the scanning process. 2811 mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName); 2812 return PackageManager.SIGNATURE_MATCH; 2813 } 2814 return PackageManager.SIGNATURE_NO_MATCH; 2815 } 2816 2817 public String[] getPackagesForUid(int uid) { 2818 uid = UserHandle.getAppId(uid); 2819 // reader 2820 synchronized (mPackages) { 2821 Object obj = mSettings.getUserIdLPr(uid); 2822 if (obj instanceof SharedUserSetting) { 2823 final SharedUserSetting sus = (SharedUserSetting) obj; 2824 final int N = sus.packages.size(); 2825 final String[] res = new String[N]; 2826 final Iterator<PackageSetting> it = sus.packages.iterator(); 2827 int i = 0; 2828 while (it.hasNext()) { 2829 res[i++] = it.next().name; 2830 } 2831 return res; 2832 } else if (obj instanceof PackageSetting) { 2833 final PackageSetting ps = (PackageSetting) obj; 2834 return new String[] { ps.name }; 2835 } 2836 } 2837 return null; 2838 } 2839 2840 public String getNameForUid(int uid) { 2841 // reader 2842 synchronized (mPackages) { 2843 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2844 if (obj instanceof SharedUserSetting) { 2845 final SharedUserSetting sus = (SharedUserSetting) obj; 2846 return sus.name + ":" + sus.userId; 2847 } else if (obj instanceof PackageSetting) { 2848 final PackageSetting ps = (PackageSetting) obj; 2849 return ps.name; 2850 } 2851 } 2852 return null; 2853 } 2854 2855 public int getUidForSharedUser(String sharedUserName) { 2856 if(sharedUserName == null) { 2857 return -1; 2858 } 2859 // reader 2860 synchronized (mPackages) { 2861 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2862 if (suid == null) { 2863 return -1; 2864 } 2865 return suid.userId; 2866 } 2867 } 2868 2869 public int getFlagsForUid(int uid) { 2870 synchronized (mPackages) { 2871 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2872 if (obj instanceof SharedUserSetting) { 2873 final SharedUserSetting sus = (SharedUserSetting) obj; 2874 return sus.pkgFlags; 2875 } else if (obj instanceof PackageSetting) { 2876 final PackageSetting ps = (PackageSetting) obj; 2877 return ps.pkgFlags; 2878 } 2879 } 2880 return 0; 2881 } 2882 2883 @Override 2884 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2885 int flags, int userId) { 2886 if (!sUserManager.exists(userId)) return null; 2887 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2888 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2889 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2890 } 2891 2892 @Override 2893 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2894 IntentFilter filter, int match, ComponentName activity) { 2895 final int userId = UserHandle.getCallingUserId(); 2896 if (DEBUG_PREFERRED) { 2897 Log.v(TAG, "setLastChosenActivity intent=" + intent 2898 + " resolvedType=" + resolvedType 2899 + " flags=" + flags 2900 + " filter=" + filter 2901 + " match=" + match 2902 + " activity=" + activity); 2903 filter.dump(new PrintStreamPrinter(System.out), " "); 2904 } 2905 intent.setComponent(null); 2906 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2907 // Find any earlier preferred or last chosen entries and nuke them 2908 findPreferredActivity(intent, resolvedType, 2909 flags, query, 0, false, true, false, userId); 2910 // Add the new activity as the last chosen for this filter 2911 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2912 } 2913 2914 @Override 2915 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2916 final int userId = UserHandle.getCallingUserId(); 2917 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2918 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2919 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2920 false, false, false, userId); 2921 } 2922 2923 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2924 int flags, List<ResolveInfo> query, int userId) { 2925 if (query != null) { 2926 final int N = query.size(); 2927 if (N == 1) { 2928 return query.get(0); 2929 } else if (N > 1) { 2930 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2931 // If there is more than one activity with the same priority, 2932 // then let the user decide between them. 2933 ResolveInfo r0 = query.get(0); 2934 ResolveInfo r1 = query.get(1); 2935 if (DEBUG_INTENT_MATCHING || debug) { 2936 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2937 + r1.activityInfo.name + "=" + r1.priority); 2938 } 2939 // If the first activity has a higher priority, or a different 2940 // default, then it is always desireable to pick it. 2941 if (r0.priority != r1.priority 2942 || r0.preferredOrder != r1.preferredOrder 2943 || r0.isDefault != r1.isDefault) { 2944 return query.get(0); 2945 } 2946 // If we have saved a preference for a preferred activity for 2947 // this Intent, use that. 2948 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2949 flags, query, r0.priority, true, false, debug, userId); 2950 if (ri != null) { 2951 return ri; 2952 } 2953 if (userId != 0) { 2954 ri = new ResolveInfo(mResolveInfo); 2955 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2956 ri.activityInfo.applicationInfo = new ApplicationInfo( 2957 ri.activityInfo.applicationInfo); 2958 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2959 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2960 return ri; 2961 } 2962 return mResolveInfo; 2963 } 2964 } 2965 return null; 2966 } 2967 2968 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2969 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2970 final int N = query.size(); 2971 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2972 .get(userId); 2973 // Get the list of persistent preferred activities that handle the intent 2974 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 2975 List<PersistentPreferredActivity> pprefs = ppir != null 2976 ? ppir.queryIntent(intent, resolvedType, 2977 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2978 : null; 2979 if (pprefs != null && pprefs.size() > 0) { 2980 final int M = pprefs.size(); 2981 for (int i=0; i<M; i++) { 2982 final PersistentPreferredActivity ppa = pprefs.get(i); 2983 if (DEBUG_PREFERRED || debug) { 2984 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 2985 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 2986 + "\n component=" + ppa.mComponent); 2987 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2988 } 2989 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 2990 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2991 if (DEBUG_PREFERRED || debug) { 2992 Slog.v(TAG, "Found persistent preferred activity:"); 2993 if (ai != null) { 2994 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2995 } else { 2996 Slog.v(TAG, " null"); 2997 } 2998 } 2999 if (ai == null) { 3000 // This previously registered persistent preferred activity 3001 // component is no longer known. Ignore it and do NOT remove it. 3002 continue; 3003 } 3004 for (int j=0; j<N; j++) { 3005 final ResolveInfo ri = query.get(j); 3006 if (!ri.activityInfo.applicationInfo.packageName 3007 .equals(ai.applicationInfo.packageName)) { 3008 continue; 3009 } 3010 if (!ri.activityInfo.name.equals(ai.name)) { 3011 continue; 3012 } 3013 // Found a persistent preference that can handle the intent. 3014 if (DEBUG_PREFERRED || debug) { 3015 Slog.v(TAG, "Returning persistent preferred activity: " + 3016 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3017 } 3018 return ri; 3019 } 3020 } 3021 } 3022 return null; 3023 } 3024 3025 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3026 List<ResolveInfo> query, int priority, boolean always, 3027 boolean removeMatches, boolean debug, int userId) { 3028 if (!sUserManager.exists(userId)) return null; 3029 // writer 3030 synchronized (mPackages) { 3031 if (intent.getSelector() != null) { 3032 intent = intent.getSelector(); 3033 } 3034 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3035 3036 // Try to find a matching persistent preferred activity. 3037 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3038 debug, userId); 3039 3040 // If a persistent preferred activity matched, use it. 3041 if (pri != null) { 3042 return pri; 3043 } 3044 3045 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3046 // Get the list of preferred activities that handle the intent 3047 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3048 List<PreferredActivity> prefs = pir != null 3049 ? pir.queryIntent(intent, resolvedType, 3050 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3051 : null; 3052 if (prefs != null && prefs.size() > 0) { 3053 // First figure out how good the original match set is. 3054 // We will only allow preferred activities that came 3055 // from the same match quality. 3056 int match = 0; 3057 3058 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3059 3060 final int N = query.size(); 3061 for (int j=0; j<N; j++) { 3062 final ResolveInfo ri = query.get(j); 3063 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3064 + ": 0x" + Integer.toHexString(match)); 3065 if (ri.match > match) { 3066 match = ri.match; 3067 } 3068 } 3069 3070 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3071 + Integer.toHexString(match)); 3072 3073 match &= IntentFilter.MATCH_CATEGORY_MASK; 3074 final int M = prefs.size(); 3075 for (int i=0; i<M; i++) { 3076 final PreferredActivity pa = prefs.get(i); 3077 if (DEBUG_PREFERRED || debug) { 3078 Slog.v(TAG, "Checking PreferredActivity ds=" 3079 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3080 + "\n component=" + pa.mPref.mComponent); 3081 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3082 } 3083 if (pa.mPref.mMatch != match) { 3084 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3085 + Integer.toHexString(pa.mPref.mMatch)); 3086 continue; 3087 } 3088 // If it's not an "always" type preferred activity and that's what we're 3089 // looking for, skip it. 3090 if (always && !pa.mPref.mAlways) { 3091 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3092 continue; 3093 } 3094 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3095 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3096 if (DEBUG_PREFERRED || debug) { 3097 Slog.v(TAG, "Found preferred activity:"); 3098 if (ai != null) { 3099 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3100 } else { 3101 Slog.v(TAG, " null"); 3102 } 3103 } 3104 if (ai == null) { 3105 // This previously registered preferred activity 3106 // component is no longer known. Most likely an update 3107 // to the app was installed and in the new version this 3108 // component no longer exists. Clean it up by removing 3109 // it from the preferred activities list, and skip it. 3110 Slog.w(TAG, "Removing dangling preferred activity: " 3111 + pa.mPref.mComponent); 3112 pir.removeFilter(pa); 3113 continue; 3114 } 3115 for (int j=0; j<N; j++) { 3116 final ResolveInfo ri = query.get(j); 3117 if (!ri.activityInfo.applicationInfo.packageName 3118 .equals(ai.applicationInfo.packageName)) { 3119 continue; 3120 } 3121 if (!ri.activityInfo.name.equals(ai.name)) { 3122 continue; 3123 } 3124 3125 if (removeMatches) { 3126 pir.removeFilter(pa); 3127 if (DEBUG_PREFERRED) { 3128 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3129 } 3130 break; 3131 } 3132 3133 // Okay we found a previously set preferred or last chosen app. 3134 // If the result set is different from when this 3135 // was created, we need to clear it and re-ask the 3136 // user their preference, if we're looking for an "always" type entry. 3137 if (always && !pa.mPref.sameSet(query, priority)) { 3138 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3139 + intent + " type " + resolvedType); 3140 if (DEBUG_PREFERRED) { 3141 Slog.v(TAG, "Removing preferred activity since set changed " 3142 + pa.mPref.mComponent); 3143 } 3144 pir.removeFilter(pa); 3145 // Re-add the filter as a "last chosen" entry (!always) 3146 PreferredActivity lastChosen = new PreferredActivity( 3147 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3148 pir.addFilter(lastChosen); 3149 mSettings.writePackageRestrictionsLPr(userId); 3150 return null; 3151 } 3152 3153 // Yay! Either the set matched or we're looking for the last chosen 3154 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3155 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3156 mSettings.writePackageRestrictionsLPr(userId); 3157 return ri; 3158 } 3159 } 3160 } 3161 mSettings.writePackageRestrictionsLPr(userId); 3162 } 3163 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3164 return null; 3165 } 3166 3167 /* 3168 * Returns if intent can be forwarded from the userId from to dest 3169 */ 3170 @Override 3171 public boolean canForwardTo(Intent intent, String resolvedType, int userIdFrom, int userIdDest) { 3172 mContext.enforceCallingOrSelfPermission( 3173 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3174 List<ForwardingIntentFilter> matches = 3175 getMatchingForwardingIntentFilters(intent, resolvedType, userIdFrom); 3176 if (matches != null) { 3177 int size = matches.size(); 3178 for (int i = 0; i < size; i++) { 3179 if (matches.get(i).getUserIdDest() == userIdDest) return true; 3180 } 3181 } 3182 return false; 3183 } 3184 3185 private List<ForwardingIntentFilter> getMatchingForwardingIntentFilters(Intent intent, 3186 String resolvedType, int userId) { 3187 ForwardingIntentResolver fir = mSettings.mForwardingIntentResolvers.get(userId); 3188 if (fir != null) { 3189 return fir.queryIntent(intent, resolvedType, false, userId); 3190 } 3191 return null; 3192 } 3193 3194 @Override 3195 public List<ResolveInfo> queryIntentActivities(Intent intent, 3196 String resolvedType, int flags, int userId) { 3197 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3198 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3199 ComponentName comp = intent.getComponent(); 3200 if (comp == null) { 3201 if (intent.getSelector() != null) { 3202 intent = intent.getSelector(); 3203 comp = intent.getComponent(); 3204 } 3205 } 3206 3207 if (comp != null) { 3208 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3209 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3210 if (ai != null) { 3211 final ResolveInfo ri = new ResolveInfo(); 3212 ri.activityInfo = ai; 3213 list.add(ri); 3214 } 3215 return list; 3216 } 3217 3218 // reader 3219 synchronized (mPackages) { 3220 final String pkgName = intent.getPackage(); 3221 if (pkgName == null) { 3222 List<ResolveInfo> result = 3223 mActivities.queryIntent(intent, resolvedType, flags, userId); 3224 // Checking if we can forward the intent to another user 3225 List<ForwardingIntentFilter> fifs = 3226 getMatchingForwardingIntentFilters(intent, resolvedType, userId); 3227 if (fifs != null) { 3228 ForwardingIntentFilter forwardingIntentFilterWithResult = null; 3229 HashSet<Integer> alreadyTriedUserIds = new HashSet<Integer>(); 3230 for (ForwardingIntentFilter fif : fifs) { 3231 int userIdDest = fif.getUserIdDest(); 3232 // Two {@link ForwardingIntentFilter}s can have the same userIdDest and 3233 // match the same an intent. For performance reasons, it is better not to 3234 // run queryIntent twice for the same userId 3235 if (!alreadyTriedUserIds.contains(userIdDest)) { 3236 List<ResolveInfo> resultUser = mActivities.queryIntent(intent, 3237 resolvedType, flags, userIdDest); 3238 if (resultUser != null) { 3239 forwardingIntentFilterWithResult = fif; 3240 // As soon as there is a match in another user, we add the 3241 // intentForwarderActivity to the list of ResolveInfo. 3242 break; 3243 } 3244 alreadyTriedUserIds.add(userIdDest); 3245 } 3246 } 3247 if (forwardingIntentFilterWithResult != null) { 3248 ResolveInfo forwardingResolveInfo = createForwardingResolveInfo( 3249 forwardingIntentFilterWithResult, userId); 3250 result.add(forwardingResolveInfo); 3251 } 3252 } 3253 return result; 3254 } 3255 final PackageParser.Package pkg = mPackages.get(pkgName); 3256 if (pkg != null) { 3257 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3258 pkg.activities, userId); 3259 } 3260 return new ArrayList<ResolveInfo>(); 3261 } 3262 } 3263 3264 private ResolveInfo createForwardingResolveInfo(ForwardingIntentFilter fif, int userIdFrom) { 3265 String className; 3266 int userIdDest = fif.getUserIdDest(); 3267 if (userIdDest == UserHandle.USER_OWNER) { 3268 className = FORWARD_INTENT_TO_USER_OWNER; 3269 } else { 3270 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3271 } 3272 ComponentName forwardingActivityComponentName = new ComponentName( 3273 mAndroidApplication.packageName, className); 3274 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3275 userIdFrom); 3276 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3277 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3278 forwardingResolveInfo.priority = 0; 3279 forwardingResolveInfo.preferredOrder = 0; 3280 forwardingResolveInfo.match = 0; 3281 forwardingResolveInfo.isDefault = true; 3282 forwardingResolveInfo.filter = fif; 3283 return forwardingResolveInfo; 3284 } 3285 3286 @Override 3287 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3288 Intent[] specifics, String[] specificTypes, Intent intent, 3289 String resolvedType, int flags, int userId) { 3290 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3291 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3292 "query intent activity options"); 3293 final String resultsAction = intent.getAction(); 3294 3295 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3296 | PackageManager.GET_RESOLVED_FILTER, userId); 3297 3298 if (DEBUG_INTENT_MATCHING) { 3299 Log.v(TAG, "Query " + intent + ": " + results); 3300 } 3301 3302 int specificsPos = 0; 3303 int N; 3304 3305 // todo: note that the algorithm used here is O(N^2). This 3306 // isn't a problem in our current environment, but if we start running 3307 // into situations where we have more than 5 or 10 matches then this 3308 // should probably be changed to something smarter... 3309 3310 // First we go through and resolve each of the specific items 3311 // that were supplied, taking care of removing any corresponding 3312 // duplicate items in the generic resolve list. 3313 if (specifics != null) { 3314 for (int i=0; i<specifics.length; i++) { 3315 final Intent sintent = specifics[i]; 3316 if (sintent == null) { 3317 continue; 3318 } 3319 3320 if (DEBUG_INTENT_MATCHING) { 3321 Log.v(TAG, "Specific #" + i + ": " + sintent); 3322 } 3323 3324 String action = sintent.getAction(); 3325 if (resultsAction != null && resultsAction.equals(action)) { 3326 // If this action was explicitly requested, then don't 3327 // remove things that have it. 3328 action = null; 3329 } 3330 3331 ResolveInfo ri = null; 3332 ActivityInfo ai = null; 3333 3334 ComponentName comp = sintent.getComponent(); 3335 if (comp == null) { 3336 ri = resolveIntent( 3337 sintent, 3338 specificTypes != null ? specificTypes[i] : null, 3339 flags, userId); 3340 if (ri == null) { 3341 continue; 3342 } 3343 if (ri == mResolveInfo) { 3344 // ACK! Must do something better with this. 3345 } 3346 ai = ri.activityInfo; 3347 comp = new ComponentName(ai.applicationInfo.packageName, 3348 ai.name); 3349 } else { 3350 ai = getActivityInfo(comp, flags, userId); 3351 if (ai == null) { 3352 continue; 3353 } 3354 } 3355 3356 // Look for any generic query activities that are duplicates 3357 // of this specific one, and remove them from the results. 3358 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3359 N = results.size(); 3360 int j; 3361 for (j=specificsPos; j<N; j++) { 3362 ResolveInfo sri = results.get(j); 3363 if ((sri.activityInfo.name.equals(comp.getClassName()) 3364 && sri.activityInfo.applicationInfo.packageName.equals( 3365 comp.getPackageName())) 3366 || (action != null && sri.filter.matchAction(action))) { 3367 results.remove(j); 3368 if (DEBUG_INTENT_MATCHING) Log.v( 3369 TAG, "Removing duplicate item from " + j 3370 + " due to specific " + specificsPos); 3371 if (ri == null) { 3372 ri = sri; 3373 } 3374 j--; 3375 N--; 3376 } 3377 } 3378 3379 // Add this specific item to its proper place. 3380 if (ri == null) { 3381 ri = new ResolveInfo(); 3382 ri.activityInfo = ai; 3383 } 3384 results.add(specificsPos, ri); 3385 ri.specificIndex = i; 3386 specificsPos++; 3387 } 3388 } 3389 3390 // Now we go through the remaining generic results and remove any 3391 // duplicate actions that are found here. 3392 N = results.size(); 3393 for (int i=specificsPos; i<N-1; i++) { 3394 final ResolveInfo rii = results.get(i); 3395 if (rii.filter == null) { 3396 continue; 3397 } 3398 3399 // Iterate over all of the actions of this result's intent 3400 // filter... typically this should be just one. 3401 final Iterator<String> it = rii.filter.actionsIterator(); 3402 if (it == null) { 3403 continue; 3404 } 3405 while (it.hasNext()) { 3406 final String action = it.next(); 3407 if (resultsAction != null && resultsAction.equals(action)) { 3408 // If this action was explicitly requested, then don't 3409 // remove things that have it. 3410 continue; 3411 } 3412 for (int j=i+1; j<N; j++) { 3413 final ResolveInfo rij = results.get(j); 3414 if (rij.filter != null && rij.filter.hasAction(action)) { 3415 results.remove(j); 3416 if (DEBUG_INTENT_MATCHING) Log.v( 3417 TAG, "Removing duplicate item from " + j 3418 + " due to action " + action + " at " + i); 3419 j--; 3420 N--; 3421 } 3422 } 3423 } 3424 3425 // If the caller didn't request filter information, drop it now 3426 // so we don't have to marshall/unmarshall it. 3427 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3428 rii.filter = null; 3429 } 3430 } 3431 3432 // Filter out the caller activity if so requested. 3433 if (caller != null) { 3434 N = results.size(); 3435 for (int i=0; i<N; i++) { 3436 ActivityInfo ainfo = results.get(i).activityInfo; 3437 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3438 && caller.getClassName().equals(ainfo.name)) { 3439 results.remove(i); 3440 break; 3441 } 3442 } 3443 } 3444 3445 // If the caller didn't request filter information, 3446 // drop them now so we don't have to 3447 // marshall/unmarshall it. 3448 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3449 N = results.size(); 3450 for (int i=0; i<N; i++) { 3451 results.get(i).filter = null; 3452 } 3453 } 3454 3455 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3456 return results; 3457 } 3458 3459 @Override 3460 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3461 int userId) { 3462 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3463 ComponentName comp = intent.getComponent(); 3464 if (comp == null) { 3465 if (intent.getSelector() != null) { 3466 intent = intent.getSelector(); 3467 comp = intent.getComponent(); 3468 } 3469 } 3470 if (comp != null) { 3471 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3472 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3473 if (ai != null) { 3474 ResolveInfo ri = new ResolveInfo(); 3475 ri.activityInfo = ai; 3476 list.add(ri); 3477 } 3478 return list; 3479 } 3480 3481 // reader 3482 synchronized (mPackages) { 3483 String pkgName = intent.getPackage(); 3484 if (pkgName == null) { 3485 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3486 } 3487 final PackageParser.Package pkg = mPackages.get(pkgName); 3488 if (pkg != null) { 3489 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3490 userId); 3491 } 3492 return null; 3493 } 3494 } 3495 3496 @Override 3497 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3498 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3499 if (!sUserManager.exists(userId)) return null; 3500 if (query != null) { 3501 if (query.size() >= 1) { 3502 // If there is more than one service with the same priority, 3503 // just arbitrarily pick the first one. 3504 return query.get(0); 3505 } 3506 } 3507 return null; 3508 } 3509 3510 @Override 3511 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3512 int userId) { 3513 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3514 ComponentName comp = intent.getComponent(); 3515 if (comp == null) { 3516 if (intent.getSelector() != null) { 3517 intent = intent.getSelector(); 3518 comp = intent.getComponent(); 3519 } 3520 } 3521 if (comp != null) { 3522 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3523 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3524 if (si != null) { 3525 final ResolveInfo ri = new ResolveInfo(); 3526 ri.serviceInfo = si; 3527 list.add(ri); 3528 } 3529 return list; 3530 } 3531 3532 // reader 3533 synchronized (mPackages) { 3534 String pkgName = intent.getPackage(); 3535 if (pkgName == null) { 3536 return mServices.queryIntent(intent, resolvedType, flags, userId); 3537 } 3538 final PackageParser.Package pkg = mPackages.get(pkgName); 3539 if (pkg != null) { 3540 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3541 userId); 3542 } 3543 return null; 3544 } 3545 } 3546 3547 @Override 3548 public List<ResolveInfo> queryIntentContentProviders( 3549 Intent intent, String resolvedType, int flags, int userId) { 3550 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3551 ComponentName comp = intent.getComponent(); 3552 if (comp == null) { 3553 if (intent.getSelector() != null) { 3554 intent = intent.getSelector(); 3555 comp = intent.getComponent(); 3556 } 3557 } 3558 if (comp != null) { 3559 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3560 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3561 if (pi != null) { 3562 final ResolveInfo ri = new ResolveInfo(); 3563 ri.providerInfo = pi; 3564 list.add(ri); 3565 } 3566 return list; 3567 } 3568 3569 // reader 3570 synchronized (mPackages) { 3571 String pkgName = intent.getPackage(); 3572 if (pkgName == null) { 3573 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3574 } 3575 final PackageParser.Package pkg = mPackages.get(pkgName); 3576 if (pkg != null) { 3577 return mProviders.queryIntentForPackage( 3578 intent, resolvedType, flags, pkg.providers, userId); 3579 } 3580 return null; 3581 } 3582 } 3583 3584 @Override 3585 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3586 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3587 3588 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3589 3590 // writer 3591 synchronized (mPackages) { 3592 ArrayList<PackageInfo> list; 3593 if (listUninstalled) { 3594 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3595 for (PackageSetting ps : mSettings.mPackages.values()) { 3596 PackageInfo pi; 3597 if (ps.pkg != null) { 3598 pi = generatePackageInfo(ps.pkg, flags, userId); 3599 } else { 3600 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3601 } 3602 if (pi != null) { 3603 list.add(pi); 3604 } 3605 } 3606 } else { 3607 list = new ArrayList<PackageInfo>(mPackages.size()); 3608 for (PackageParser.Package p : mPackages.values()) { 3609 PackageInfo pi = generatePackageInfo(p, flags, userId); 3610 if (pi != null) { 3611 list.add(pi); 3612 } 3613 } 3614 } 3615 3616 return new ParceledListSlice<PackageInfo>(list); 3617 } 3618 } 3619 3620 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3621 String[] permissions, boolean[] tmp, int flags, int userId) { 3622 int numMatch = 0; 3623 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3624 for (int i=0; i<permissions.length; i++) { 3625 if (gp.grantedPermissions.contains(permissions[i])) { 3626 tmp[i] = true; 3627 numMatch++; 3628 } else { 3629 tmp[i] = false; 3630 } 3631 } 3632 if (numMatch == 0) { 3633 return; 3634 } 3635 PackageInfo pi; 3636 if (ps.pkg != null) { 3637 pi = generatePackageInfo(ps.pkg, flags, userId); 3638 } else { 3639 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3640 } 3641 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3642 if (numMatch == permissions.length) { 3643 pi.requestedPermissions = permissions; 3644 } else { 3645 pi.requestedPermissions = new String[numMatch]; 3646 numMatch = 0; 3647 for (int i=0; i<permissions.length; i++) { 3648 if (tmp[i]) { 3649 pi.requestedPermissions[numMatch] = permissions[i]; 3650 numMatch++; 3651 } 3652 } 3653 } 3654 } 3655 list.add(pi); 3656 } 3657 3658 @Override 3659 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3660 String[] permissions, int flags, int userId) { 3661 if (!sUserManager.exists(userId)) return null; 3662 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3663 3664 // writer 3665 synchronized (mPackages) { 3666 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3667 boolean[] tmpBools = new boolean[permissions.length]; 3668 if (listUninstalled) { 3669 for (PackageSetting ps : mSettings.mPackages.values()) { 3670 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3671 } 3672 } else { 3673 for (PackageParser.Package pkg : mPackages.values()) { 3674 PackageSetting ps = (PackageSetting)pkg.mExtras; 3675 if (ps != null) { 3676 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3677 userId); 3678 } 3679 } 3680 } 3681 3682 return new ParceledListSlice<PackageInfo>(list); 3683 } 3684 } 3685 3686 @Override 3687 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3688 if (!sUserManager.exists(userId)) return null; 3689 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3690 3691 // writer 3692 synchronized (mPackages) { 3693 ArrayList<ApplicationInfo> list; 3694 if (listUninstalled) { 3695 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3696 for (PackageSetting ps : mSettings.mPackages.values()) { 3697 ApplicationInfo ai; 3698 if (ps.pkg != null) { 3699 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3700 ps.readUserState(userId), userId); 3701 } else { 3702 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3703 } 3704 if (ai != null) { 3705 list.add(ai); 3706 } 3707 } 3708 } else { 3709 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3710 for (PackageParser.Package p : mPackages.values()) { 3711 if (p.mExtras != null) { 3712 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3713 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3714 if (ai != null) { 3715 list.add(ai); 3716 } 3717 } 3718 } 3719 } 3720 3721 return new ParceledListSlice<ApplicationInfo>(list); 3722 } 3723 } 3724 3725 public List<ApplicationInfo> getPersistentApplications(int flags) { 3726 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3727 3728 // reader 3729 synchronized (mPackages) { 3730 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3731 final int userId = UserHandle.getCallingUserId(); 3732 while (i.hasNext()) { 3733 final PackageParser.Package p = i.next(); 3734 if (p.applicationInfo != null 3735 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3736 && (!mSafeMode || isSystemApp(p))) { 3737 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3738 if (ps != null) { 3739 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3740 ps.readUserState(userId), userId); 3741 if (ai != null) { 3742 finalList.add(ai); 3743 } 3744 } 3745 } 3746 } 3747 } 3748 3749 return finalList; 3750 } 3751 3752 @Override 3753 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3754 if (!sUserManager.exists(userId)) return null; 3755 // reader 3756 synchronized (mPackages) { 3757 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3758 PackageSetting ps = provider != null 3759 ? mSettings.mPackages.get(provider.owner.packageName) 3760 : null; 3761 return ps != null 3762 && mSettings.isEnabledLPr(provider.info, flags, userId) 3763 && (!mSafeMode || (provider.info.applicationInfo.flags 3764 &ApplicationInfo.FLAG_SYSTEM) != 0) 3765 ? PackageParser.generateProviderInfo(provider, flags, 3766 ps.readUserState(userId), userId) 3767 : null; 3768 } 3769 } 3770 3771 /** 3772 * @deprecated 3773 */ 3774 @Deprecated 3775 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3776 // reader 3777 synchronized (mPackages) { 3778 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3779 .entrySet().iterator(); 3780 final int userId = UserHandle.getCallingUserId(); 3781 while (i.hasNext()) { 3782 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3783 PackageParser.Provider p = entry.getValue(); 3784 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3785 3786 if (ps != null && p.syncable 3787 && (!mSafeMode || (p.info.applicationInfo.flags 3788 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3789 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3790 ps.readUserState(userId), userId); 3791 if (info != null) { 3792 outNames.add(entry.getKey()); 3793 outInfo.add(info); 3794 } 3795 } 3796 } 3797 } 3798 } 3799 3800 public List<ProviderInfo> queryContentProviders(String processName, 3801 int uid, int flags) { 3802 ArrayList<ProviderInfo> finalList = null; 3803 // reader 3804 synchronized (mPackages) { 3805 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3806 final int userId = processName != null ? 3807 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3808 while (i.hasNext()) { 3809 final PackageParser.Provider p = i.next(); 3810 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3811 if (ps != null && p.info.authority != null 3812 && (processName == null 3813 || (p.info.processName.equals(processName) 3814 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3815 && mSettings.isEnabledLPr(p.info, flags, userId) 3816 && (!mSafeMode 3817 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3818 if (finalList == null) { 3819 finalList = new ArrayList<ProviderInfo>(3); 3820 } 3821 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3822 ps.readUserState(userId), userId); 3823 if (info != null) { 3824 finalList.add(info); 3825 } 3826 } 3827 } 3828 } 3829 3830 if (finalList != null) { 3831 Collections.sort(finalList, mProviderInitOrderSorter); 3832 } 3833 3834 return finalList; 3835 } 3836 3837 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3838 int flags) { 3839 // reader 3840 synchronized (mPackages) { 3841 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3842 return PackageParser.generateInstrumentationInfo(i, flags); 3843 } 3844 } 3845 3846 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3847 int flags) { 3848 ArrayList<InstrumentationInfo> finalList = 3849 new ArrayList<InstrumentationInfo>(); 3850 3851 // reader 3852 synchronized (mPackages) { 3853 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3854 while (i.hasNext()) { 3855 final PackageParser.Instrumentation p = i.next(); 3856 if (targetPackage == null 3857 || targetPackage.equals(p.info.targetPackage)) { 3858 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3859 flags); 3860 if (ii != null) { 3861 finalList.add(ii); 3862 } 3863 } 3864 } 3865 } 3866 3867 return finalList; 3868 } 3869 3870 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3871 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3872 if (overlays == null) { 3873 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3874 return; 3875 } 3876 for (PackageParser.Package opkg : overlays.values()) { 3877 // Not much to do if idmap fails: we already logged the error 3878 // and we certainly don't want to abort installation of pkg simply 3879 // because an overlay didn't fit properly. For these reasons, 3880 // ignore the return value of createIdmapForPackagePairLI. 3881 createIdmapForPackagePairLI(pkg, opkg); 3882 } 3883 } 3884 3885 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3886 PackageParser.Package opkg) { 3887 if (!opkg.mTrustedOverlay) { 3888 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 3889 opkg.mScanPath + ": overlay not trusted"); 3890 return false; 3891 } 3892 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3893 if (overlaySet == null) { 3894 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 3895 opkg.mScanPath + " but target package has no known overlays"); 3896 return false; 3897 } 3898 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3899 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 3900 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 3901 return false; 3902 } 3903 PackageParser.Package[] overlayArray = 3904 overlaySet.values().toArray(new PackageParser.Package[0]); 3905 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3906 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3907 return p1.mOverlayPriority - p2.mOverlayPriority; 3908 } 3909 }; 3910 Arrays.sort(overlayArray, cmp); 3911 3912 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3913 int i = 0; 3914 for (PackageParser.Package p : overlayArray) { 3915 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 3916 } 3917 return true; 3918 } 3919 3920 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3921 String[] files = dir.list(); 3922 if (files == null) { 3923 Log.d(TAG, "No files in app dir " + dir); 3924 return; 3925 } 3926 3927 if (DEBUG_PACKAGE_SCANNING) { 3928 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3929 + " flags=0x" + Integer.toHexString(flags)); 3930 } 3931 3932 int i; 3933 for (i=0; i<files.length; i++) { 3934 File file = new File(dir, files[i]); 3935 if (!isPackageFilename(files[i])) { 3936 // Ignore entries which are not apk's 3937 continue; 3938 } 3939 PackageParser.Package pkg = scanPackageLI(file, 3940 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3941 // Don't mess around with apps in system partition. 3942 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3943 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3944 // Delete the apk 3945 Slog.w(TAG, "Cleaning up failed install of " + file); 3946 file.delete(); 3947 } 3948 } 3949 } 3950 3951 private static File getSettingsProblemFile() { 3952 File dataDir = Environment.getDataDirectory(); 3953 File systemDir = new File(dataDir, "system"); 3954 File fname = new File(systemDir, "uiderrors.txt"); 3955 return fname; 3956 } 3957 3958 static void reportSettingsProblem(int priority, String msg) { 3959 try { 3960 File fname = getSettingsProblemFile(); 3961 FileOutputStream out = new FileOutputStream(fname, true); 3962 PrintWriter pw = new FastPrintWriter(out); 3963 SimpleDateFormat formatter = new SimpleDateFormat(); 3964 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3965 pw.println(dateString + ": " + msg); 3966 pw.close(); 3967 FileUtils.setPermissions( 3968 fname.toString(), 3969 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3970 -1, -1); 3971 } catch (java.io.IOException e) { 3972 } 3973 Slog.println(priority, TAG, msg); 3974 } 3975 3976 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3977 PackageParser.Package pkg, File srcFile, int parseFlags) { 3978 if (ps != null 3979 && ps.codePath.equals(srcFile) 3980 && ps.timeStamp == srcFile.lastModified() 3981 && !isCompatSignatureUpdateNeeded(pkg)) { 3982 if (ps.signatures.mSignatures != null 3983 && ps.signatures.mSignatures.length != 0) { 3984 // Optimization: reuse the existing cached certificates 3985 // if the package appears to be unchanged. 3986 pkg.mSignatures = ps.signatures.mSignatures; 3987 return true; 3988 } 3989 3990 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3991 } else { 3992 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3993 } 3994 3995 if (!pp.collectCertificates(pkg, parseFlags)) { 3996 mLastScanError = pp.getParseError(); 3997 return false; 3998 } 3999 return true; 4000 } 4001 4002 /* 4003 * Scan a package and return the newly parsed package. 4004 * Returns null in case of errors and the error code is stored in mLastScanError 4005 */ 4006 private PackageParser.Package scanPackageLI(File scanFile, 4007 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4008 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4009 String scanPath = scanFile.getPath(); 4010 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4011 parseFlags |= mDefParseFlags; 4012 PackageParser pp = new PackageParser(scanPath); 4013 pp.setSeparateProcesses(mSeparateProcesses); 4014 pp.setOnlyCoreApps(mOnlyCore); 4015 final PackageParser.Package pkg = pp.parsePackage(scanFile, 4016 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 4017 4018 if (pkg == null) { 4019 mLastScanError = pp.getParseError(); 4020 return null; 4021 } 4022 4023 PackageSetting ps = null; 4024 PackageSetting updatedPkg; 4025 // reader 4026 synchronized (mPackages) { 4027 // Look to see if we already know about this package. 4028 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4029 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4030 // This package has been renamed to its original name. Let's 4031 // use that. 4032 ps = mSettings.peekPackageLPr(oldName); 4033 } 4034 // If there was no original package, see one for the real package name. 4035 if (ps == null) { 4036 ps = mSettings.peekPackageLPr(pkg.packageName); 4037 } 4038 // Check to see if this package could be hiding/updating a system 4039 // package. Must look for it either under the original or real 4040 // package name depending on our state. 4041 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4042 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4043 } 4044 boolean updatedPkgBetter = false; 4045 // First check if this is a system package that may involve an update 4046 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4047 if (ps != null && !ps.codePath.equals(scanFile)) { 4048 // The path has changed from what was last scanned... check the 4049 // version of the new path against what we have stored to determine 4050 // what to do. 4051 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4052 if (pkg.mVersionCode < ps.versionCode) { 4053 // The system package has been updated and the code path does not match 4054 // Ignore entry. Skip it. 4055 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4056 + " ignored: updated version " + ps.versionCode 4057 + " better than this " + pkg.mVersionCode); 4058 if (!updatedPkg.codePath.equals(scanFile)) { 4059 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4060 + ps.name + " changing from " + updatedPkg.codePathString 4061 + " to " + scanFile); 4062 updatedPkg.codePath = scanFile; 4063 updatedPkg.codePathString = scanFile.toString(); 4064 // This is the point at which we know that the system-disk APK 4065 // for this package has moved during a reboot (e.g. due to an OTA), 4066 // so we need to reevaluate it for privilege policy. 4067 if (locationIsPrivileged(scanFile)) { 4068 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4069 } 4070 } 4071 updatedPkg.pkg = pkg; 4072 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4073 return null; 4074 } else { 4075 // The current app on the system partion is better than 4076 // what we have updated to on the data partition; switch 4077 // back to the system partition version. 4078 // At this point, its safely assumed that package installation for 4079 // apps in system partition will go through. If not there won't be a working 4080 // version of the app 4081 // writer 4082 synchronized (mPackages) { 4083 // Just remove the loaded entries from package lists. 4084 mPackages.remove(ps.name); 4085 } 4086 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4087 + "reverting from " + ps.codePathString 4088 + ": new version " + pkg.mVersionCode 4089 + " better than installed " + ps.versionCode); 4090 4091 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4092 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4093 getAppInstructionSetFromSettings(ps)); 4094 synchronized (mInstallLock) { 4095 args.cleanUpResourcesLI(); 4096 } 4097 synchronized (mPackages) { 4098 mSettings.enableSystemPackageLPw(ps.name); 4099 } 4100 updatedPkgBetter = true; 4101 } 4102 } 4103 } 4104 4105 if (updatedPkg != null) { 4106 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4107 // initially 4108 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4109 4110 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4111 // flag set initially 4112 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4113 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4114 } 4115 } 4116 // Verify certificates against what was last scanned 4117 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4118 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4119 return null; 4120 } 4121 4122 /* 4123 * A new system app appeared, but we already had a non-system one of the 4124 * same name installed earlier. 4125 */ 4126 boolean shouldHideSystemApp = false; 4127 if (updatedPkg == null && ps != null 4128 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4129 /* 4130 * Check to make sure the signatures match first. If they don't, 4131 * wipe the installed application and its data. 4132 */ 4133 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4134 != PackageManager.SIGNATURE_MATCH) { 4135 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4136 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4137 ps = null; 4138 } else { 4139 /* 4140 * If the newly-added system app is an older version than the 4141 * already installed version, hide it. It will be scanned later 4142 * and re-added like an update. 4143 */ 4144 if (pkg.mVersionCode < ps.versionCode) { 4145 shouldHideSystemApp = true; 4146 } else { 4147 /* 4148 * The newly found system app is a newer version that the 4149 * one previously installed. Simply remove the 4150 * already-installed application and replace it with our own 4151 * while keeping the application data. 4152 */ 4153 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4154 + ps.codePathString + ": new version " + pkg.mVersionCode 4155 + " better than installed " + ps.versionCode); 4156 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4157 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4158 getAppInstructionSetFromSettings(ps)); 4159 synchronized (mInstallLock) { 4160 args.cleanUpResourcesLI(); 4161 } 4162 } 4163 } 4164 } 4165 4166 // The apk is forward locked (not public) if its code and resources 4167 // are kept in different files. (except for app in either system or 4168 // vendor path). 4169 // TODO grab this value from PackageSettings 4170 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4171 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4172 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4173 } 4174 } 4175 4176 String codePath = null; 4177 String resPath = null; 4178 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4179 if (ps != null && ps.resourcePathString != null) { 4180 resPath = ps.resourcePathString; 4181 } else { 4182 // Should not happen at all. Just log an error. 4183 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4184 } 4185 } else { 4186 resPath = pkg.mScanPath; 4187 } 4188 4189 codePath = pkg.mScanPath; 4190 // Set application objects path explicitly. 4191 setApplicationInfoPaths(pkg, codePath, resPath); 4192 // Note that we invoke the following method only if we are about to unpack an application 4193 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4194 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4195 4196 /* 4197 * If the system app should be overridden by a previously installed 4198 * data, hide the system app now and let the /data/app scan pick it up 4199 * again. 4200 */ 4201 if (shouldHideSystemApp) { 4202 synchronized (mPackages) { 4203 /* 4204 * We have to grant systems permissions before we hide, because 4205 * grantPermissions will assume the package update is trying to 4206 * expand its permissions. 4207 */ 4208 grantPermissionsLPw(pkg, true); 4209 mSettings.disableSystemPackageLPw(pkg.packageName); 4210 } 4211 } 4212 4213 return scannedPkg; 4214 } 4215 4216 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4217 String destResPath) { 4218 pkg.mPath = pkg.mScanPath = destCodePath; 4219 pkg.applicationInfo.sourceDir = destCodePath; 4220 pkg.applicationInfo.publicSourceDir = destResPath; 4221 } 4222 4223 private static String fixProcessName(String defProcessName, 4224 String processName, int uid) { 4225 if (processName == null) { 4226 return defProcessName; 4227 } 4228 return processName; 4229 } 4230 4231 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4232 if (pkgSetting.signatures.mSignatures != null) { 4233 // Already existing package. Make sure signatures match 4234 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4235 == PackageManager.SIGNATURE_MATCH; 4236 if (!match) { 4237 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4238 == PackageManager.SIGNATURE_MATCH; 4239 } 4240 if (!match) { 4241 Slog.e(TAG, "Package " + pkg.packageName 4242 + " signatures do not match the previously installed version; ignoring!"); 4243 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4244 return false; 4245 } 4246 } 4247 // Check for shared user signatures 4248 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4249 // Already existing package. Make sure signatures match 4250 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4251 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4252 if (!match) { 4253 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4254 == PackageManager.SIGNATURE_MATCH; 4255 } 4256 if (!match) { 4257 Slog.e(TAG, "Package " + pkg.packageName 4258 + " has no signatures that match those in shared user " 4259 + pkgSetting.sharedUser.name + "; ignoring!"); 4260 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4261 return false; 4262 } 4263 } 4264 return true; 4265 } 4266 4267 /** 4268 * Enforces that only the system UID or root's UID can call a method exposed 4269 * via Binder. 4270 * 4271 * @param message used as message if SecurityException is thrown 4272 * @throws SecurityException if the caller is not system or root 4273 */ 4274 private static final void enforceSystemOrRoot(String message) { 4275 final int uid = Binder.getCallingUid(); 4276 if (uid != Process.SYSTEM_UID && uid != 0) { 4277 throw new SecurityException(message); 4278 } 4279 } 4280 4281 @Override 4282 public void performBootDexOpt() { 4283 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4284 4285 final HashSet<PackageParser.Package> pkgs; 4286 synchronized (mPackages) { 4287 pkgs = mDeferredDexOpt; 4288 mDeferredDexOpt = null; 4289 } 4290 4291 if (pkgs != null) { 4292 int i = 0; 4293 for (PackageParser.Package pkg : pkgs) { 4294 if (!isFirstBoot()) { 4295 i++; 4296 try { 4297 ActivityManagerNative.getDefault().showBootMessage( 4298 mContext.getResources().getString( 4299 com.android.internal.R.string.android_upgrading_apk, 4300 i, pkgs.size()), true); 4301 } catch (RemoteException e) { 4302 } 4303 } 4304 PackageParser.Package p = pkg; 4305 synchronized (mInstallLock) { 4306 if (!p.mDidDexOpt) { 4307 performDexOptLI(p, false /* force dex */, false /* defer */, 4308 true /* include dependencies */); 4309 } 4310 } 4311 } 4312 } 4313 } 4314 4315 @Override 4316 public boolean performDexOpt(String packageName) { 4317 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4318 if (!mNoDexOpt) { 4319 return false; 4320 } 4321 4322 PackageParser.Package p; 4323 synchronized (mPackages) { 4324 p = mPackages.get(packageName); 4325 if (p == null || p.mDidDexOpt) { 4326 return false; 4327 } 4328 } 4329 synchronized (mInstallLock) { 4330 return performDexOptLI(p, false /* force dex */, false /* defer */, 4331 true /* include dependencies */) == DEX_OPT_PERFORMED; 4332 } 4333 } 4334 4335 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, boolean forceDex, 4336 boolean defer, HashSet<String> done) { 4337 for (int i=0; i<libs.size(); i++) { 4338 PackageParser.Package libPkg; 4339 String libName; 4340 synchronized (mPackages) { 4341 libName = libs.get(i); 4342 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4343 if (lib != null && lib.apk != null) { 4344 libPkg = mPackages.get(lib.apk); 4345 } else { 4346 libPkg = null; 4347 } 4348 } 4349 if (libPkg != null && !done.contains(libName)) { 4350 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4351 } 4352 } 4353 } 4354 4355 static final int DEX_OPT_SKIPPED = 0; 4356 static final int DEX_OPT_PERFORMED = 1; 4357 static final int DEX_OPT_DEFERRED = 2; 4358 static final int DEX_OPT_FAILED = -1; 4359 4360 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4361 boolean forceDex, 4362 boolean defer, HashSet<String> done) { 4363 final String instructionSet = instructionSetOverride != null ? 4364 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4365 4366 if (done != null) { 4367 done.add(pkg.packageName); 4368 if (pkg.usesLibraries != null) { 4369 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4370 } 4371 if (pkg.usesOptionalLibraries != null) { 4372 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4373 } 4374 } 4375 4376 boolean performed = false; 4377 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4378 String path = pkg.mScanPath; 4379 int ret = 0; 4380 try { 4381 if (forceDex || dalvik.system.DexFile.isDexOptNeededInternal(path, 4382 pkg.packageName, instructionSet, defer)) { 4383 if (!forceDex && defer) { 4384 if (mDeferredDexOpt == null) { 4385 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4386 } 4387 mDeferredDexOpt.add(pkg); 4388 return DEX_OPT_DEFERRED; 4389 } else { 4390 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName + 4391 " (instructionSet=" + instructionSet + ")"); 4392 4393 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4394 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4395 pkg.packageName, instructionSet); 4396 pkg.mDidDexOpt = true; 4397 performed = true; 4398 } 4399 } 4400 } catch (FileNotFoundException e) { 4401 Slog.w(TAG, "Apk not found for dexopt: " + path); 4402 ret = -1; 4403 } catch (IOException e) { 4404 Slog.w(TAG, "IOException reading apk: " + path, e); 4405 ret = -1; 4406 } catch (dalvik.system.StaleDexCacheError e) { 4407 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4408 ret = -1; 4409 } catch (Exception e) { 4410 Slog.w(TAG, "Exception when doing dexopt : ", e); 4411 ret = -1; 4412 } 4413 if (ret < 0) { 4414 //error from installer 4415 return DEX_OPT_FAILED; 4416 } 4417 } 4418 4419 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4420 } 4421 4422 private String getAppInstructionSet(ApplicationInfo info) { 4423 String instructionSet = getPreferredInstructionSet(); 4424 4425 if (info.requiredCpuAbi != null) { 4426 instructionSet = VMRuntime.getInstructionSet(info.requiredCpuAbi); 4427 } 4428 4429 return instructionSet; 4430 } 4431 4432 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4433 String instructionSet = getPreferredInstructionSet(); 4434 4435 if (ps.requiredCpuAbiString != null) { 4436 instructionSet = VMRuntime.getInstructionSet(ps.requiredCpuAbiString); 4437 } 4438 4439 return instructionSet; 4440 } 4441 4442 private static String getPreferredInstructionSet() { 4443 if (sPreferredInstructionSet == null) { 4444 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4445 } 4446 4447 return sPreferredInstructionSet; 4448 } 4449 4450 private static List<String> getAllInstructionSets() { 4451 final String[] allAbis = Build.SUPPORTED_ABIS; 4452 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4453 4454 for (String abi : allAbis) { 4455 final String instructionSet = VMRuntime.getInstructionSet(abi); 4456 if (!allInstructionSets.contains(instructionSet)) { 4457 allInstructionSets.add(instructionSet); 4458 } 4459 } 4460 4461 return allInstructionSets; 4462 } 4463 4464 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4465 boolean inclDependencies) { 4466 HashSet<String> done; 4467 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4468 done = new HashSet<String>(); 4469 done.add(pkg.packageName); 4470 } else { 4471 done = null; 4472 } 4473 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4474 } 4475 4476 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4477 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4478 Slog.w(TAG, "Unable to update from " + oldPkg.name 4479 + " to " + newPkg.packageName 4480 + ": old package not in system partition"); 4481 return false; 4482 } else if (mPackages.get(oldPkg.name) != null) { 4483 Slog.w(TAG, "Unable to update from " + oldPkg.name 4484 + " to " + newPkg.packageName 4485 + ": old package still exists"); 4486 return false; 4487 } 4488 return true; 4489 } 4490 4491 File getDataPathForUser(int userId) { 4492 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4493 } 4494 4495 private File getDataPathForPackage(String packageName, int userId) { 4496 /* 4497 * Until we fully support multiple users, return the directory we 4498 * previously would have. The PackageManagerTests will need to be 4499 * revised when this is changed back.. 4500 */ 4501 if (userId == 0) { 4502 return new File(mAppDataDir, packageName); 4503 } else { 4504 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4505 + File.separator + packageName); 4506 } 4507 } 4508 4509 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4510 int[] users = sUserManager.getUserIds(); 4511 int res = mInstaller.install(packageName, uid, uid, seinfo); 4512 if (res < 0) { 4513 return res; 4514 } 4515 for (int user : users) { 4516 if (user != 0) { 4517 res = mInstaller.createUserData(packageName, 4518 UserHandle.getUid(user, uid), user, seinfo); 4519 if (res < 0) { 4520 return res; 4521 } 4522 } 4523 } 4524 return res; 4525 } 4526 4527 private int removeDataDirsLI(String packageName) { 4528 int[] users = sUserManager.getUserIds(); 4529 int res = 0; 4530 for (int user : users) { 4531 int resInner = mInstaller.remove(packageName, user); 4532 if (resInner < 0) { 4533 res = resInner; 4534 } 4535 } 4536 4537 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4538 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4539 if (!nativeLibraryFile.delete()) { 4540 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4541 } 4542 4543 return res; 4544 } 4545 4546 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4547 PackageParser.Package changingLib) { 4548 if (file.path != null) { 4549 mTmpSharedLibraries[num] = file.path; 4550 return num+1; 4551 } 4552 PackageParser.Package p = mPackages.get(file.apk); 4553 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4554 // If we are doing this while in the middle of updating a library apk, 4555 // then we need to make sure to use that new apk for determining the 4556 // dependencies here. (We haven't yet finished committing the new apk 4557 // to the package manager state.) 4558 if (p == null || p.packageName.equals(changingLib.packageName)) { 4559 p = changingLib; 4560 } 4561 } 4562 if (p != null) { 4563 String path = p.mPath; 4564 for (int i=0; i<num; i++) { 4565 if (mTmpSharedLibraries[i].equals(path)) { 4566 return num; 4567 } 4568 } 4569 mTmpSharedLibraries[num] = p.mPath; 4570 return num+1; 4571 } 4572 return num; 4573 } 4574 4575 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4576 PackageParser.Package changingLib) { 4577 // We might be upgrading from a version of the platform that did not 4578 // provide per-package native library directories for system apps. 4579 // Fix that up here. 4580 if (isSystemApp(pkg)) { 4581 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4582 setInternalAppNativeLibraryPath(pkg, ps); 4583 } 4584 4585 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4586 if (mTmpSharedLibraries == null || 4587 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4588 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4589 } 4590 int num = 0; 4591 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4592 for (int i=0; i<N; i++) { 4593 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4594 if (file == null) { 4595 Slog.e(TAG, "Package " + pkg.packageName 4596 + " requires unavailable shared library " 4597 + pkg.usesLibraries.get(i) + "; failing!"); 4598 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4599 return false; 4600 } 4601 num = addSharedLibraryLPw(file, num, changingLib); 4602 } 4603 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4604 for (int i=0; i<N; i++) { 4605 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4606 if (file == null) { 4607 Slog.w(TAG, "Package " + pkg.packageName 4608 + " desires unavailable shared library " 4609 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4610 } else { 4611 num = addSharedLibraryLPw(file, num, changingLib); 4612 } 4613 } 4614 if (num > 0) { 4615 pkg.usesLibraryFiles = new String[num]; 4616 System.arraycopy(mTmpSharedLibraries, 0, 4617 pkg.usesLibraryFiles, 0, num); 4618 } else { 4619 pkg.usesLibraryFiles = null; 4620 } 4621 } 4622 return true; 4623 } 4624 4625 private static boolean hasString(List<String> list, List<String> which) { 4626 if (list == null) { 4627 return false; 4628 } 4629 for (int i=list.size()-1; i>=0; i--) { 4630 for (int j=which.size()-1; j>=0; j--) { 4631 if (which.get(j).equals(list.get(i))) { 4632 return true; 4633 } 4634 } 4635 } 4636 return false; 4637 } 4638 4639 private void updateAllSharedLibrariesLPw() { 4640 for (PackageParser.Package pkg : mPackages.values()) { 4641 updateSharedLibrariesLPw(pkg, null); 4642 } 4643 } 4644 4645 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4646 PackageParser.Package changingPkg) { 4647 ArrayList<PackageParser.Package> res = null; 4648 for (PackageParser.Package pkg : mPackages.values()) { 4649 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4650 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4651 if (res == null) { 4652 res = new ArrayList<PackageParser.Package>(); 4653 } 4654 res.add(pkg); 4655 updateSharedLibrariesLPw(pkg, changingPkg); 4656 } 4657 } 4658 return res; 4659 } 4660 4661 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4662 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4663 File scanFile = new File(pkg.mScanPath); 4664 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4665 pkg.applicationInfo.publicSourceDir == null) { 4666 // Bail out. The resource and code paths haven't been set. 4667 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4668 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4669 return null; 4670 } 4671 4672 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4673 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4674 } 4675 4676 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4677 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4678 } 4679 4680 if (mCustomResolverComponentName != null && 4681 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4682 setUpCustomResolverActivity(pkg); 4683 } 4684 4685 if (pkg.packageName.equals("android")) { 4686 synchronized (mPackages) { 4687 if (mAndroidApplication != null) { 4688 Slog.w(TAG, "*************************************************"); 4689 Slog.w(TAG, "Core android package being redefined. Skipping."); 4690 Slog.w(TAG, " file=" + scanFile); 4691 Slog.w(TAG, "*************************************************"); 4692 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4693 return null; 4694 } 4695 4696 // Set up information for our fall-back user intent resolution activity. 4697 mPlatformPackage = pkg; 4698 pkg.mVersionCode = mSdkVersion; 4699 mAndroidApplication = pkg.applicationInfo; 4700 4701 if (!mResolverReplaced) { 4702 mResolveActivity.applicationInfo = mAndroidApplication; 4703 mResolveActivity.name = ResolverActivity.class.getName(); 4704 mResolveActivity.packageName = mAndroidApplication.packageName; 4705 mResolveActivity.processName = "system:ui"; 4706 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4707 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4708 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4709 mResolveActivity.exported = true; 4710 mResolveActivity.enabled = true; 4711 mResolveInfo.activityInfo = mResolveActivity; 4712 mResolveInfo.priority = 0; 4713 mResolveInfo.preferredOrder = 0; 4714 mResolveInfo.match = 0; 4715 mResolveComponentName = new ComponentName( 4716 mAndroidApplication.packageName, mResolveActivity.name); 4717 } 4718 } 4719 } 4720 4721 if (DEBUG_PACKAGE_SCANNING) { 4722 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4723 Log.d(TAG, "Scanning package " + pkg.packageName); 4724 } 4725 4726 if (mPackages.containsKey(pkg.packageName) 4727 || mSharedLibraries.containsKey(pkg.packageName)) { 4728 Slog.w(TAG, "Application package " + pkg.packageName 4729 + " already installed. Skipping duplicate."); 4730 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4731 return null; 4732 } 4733 4734 // Initialize package source and resource directories 4735 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4736 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4737 4738 SharedUserSetting suid = null; 4739 PackageSetting pkgSetting = null; 4740 4741 if (!isSystemApp(pkg)) { 4742 // Only system apps can use these features. 4743 pkg.mOriginalPackages = null; 4744 pkg.mRealPackage = null; 4745 pkg.mAdoptPermissions = null; 4746 } 4747 4748 // writer 4749 synchronized (mPackages) { 4750 if (pkg.mSharedUserId != null) { 4751 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4752 if (suid == null) { 4753 Slog.w(TAG, "Creating application package " + pkg.packageName 4754 + " for shared user failed"); 4755 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4756 return null; 4757 } 4758 if (DEBUG_PACKAGE_SCANNING) { 4759 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4760 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4761 + "): packages=" + suid.packages); 4762 } 4763 } 4764 4765 // Check if we are renaming from an original package name. 4766 PackageSetting origPackage = null; 4767 String realName = null; 4768 if (pkg.mOriginalPackages != null) { 4769 // This package may need to be renamed to a previously 4770 // installed name. Let's check on that... 4771 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4772 if (pkg.mOriginalPackages.contains(renamed)) { 4773 // This package had originally been installed as the 4774 // original name, and we have already taken care of 4775 // transitioning to the new one. Just update the new 4776 // one to continue using the old name. 4777 realName = pkg.mRealPackage; 4778 if (!pkg.packageName.equals(renamed)) { 4779 // Callers into this function may have already taken 4780 // care of renaming the package; only do it here if 4781 // it is not already done. 4782 pkg.setPackageName(renamed); 4783 } 4784 4785 } else { 4786 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4787 if ((origPackage = mSettings.peekPackageLPr( 4788 pkg.mOriginalPackages.get(i))) != null) { 4789 // We do have the package already installed under its 4790 // original name... should we use it? 4791 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4792 // New package is not compatible with original. 4793 origPackage = null; 4794 continue; 4795 } else if (origPackage.sharedUser != null) { 4796 // Make sure uid is compatible between packages. 4797 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4798 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4799 + " to " + pkg.packageName + ": old uid " 4800 + origPackage.sharedUser.name 4801 + " differs from " + pkg.mSharedUserId); 4802 origPackage = null; 4803 continue; 4804 } 4805 } else { 4806 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4807 + pkg.packageName + " to old name " + origPackage.name); 4808 } 4809 break; 4810 } 4811 } 4812 } 4813 } 4814 4815 if (mTransferedPackages.contains(pkg.packageName)) { 4816 Slog.w(TAG, "Package " + pkg.packageName 4817 + " was transferred to another, but its .apk remains"); 4818 } 4819 4820 // Just create the setting, don't add it yet. For already existing packages 4821 // the PkgSetting exists already and doesn't have to be created. 4822 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4823 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4824 pkg.applicationInfo.requiredCpuAbi, 4825 pkg.applicationInfo.flags, user, false); 4826 if (pkgSetting == null) { 4827 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4828 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4829 return null; 4830 } 4831 4832 if (pkgSetting.origPackage != null) { 4833 // If we are first transitioning from an original package, 4834 // fix up the new package's name now. We need to do this after 4835 // looking up the package under its new name, so getPackageLP 4836 // can take care of fiddling things correctly. 4837 pkg.setPackageName(origPackage.name); 4838 4839 // File a report about this. 4840 String msg = "New package " + pkgSetting.realName 4841 + " renamed to replace old package " + pkgSetting.name; 4842 reportSettingsProblem(Log.WARN, msg); 4843 4844 // Make a note of it. 4845 mTransferedPackages.add(origPackage.name); 4846 4847 // No longer need to retain this. 4848 pkgSetting.origPackage = null; 4849 } 4850 4851 if (realName != null) { 4852 // Make a note of it. 4853 mTransferedPackages.add(pkg.packageName); 4854 } 4855 4856 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4857 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4858 } 4859 4860 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4861 // Check all shared libraries and map to their actual file path. 4862 // We only do this here for apps not on a system dir, because those 4863 // are the only ones that can fail an install due to this. We 4864 // will take care of the system apps by updating all of their 4865 // library paths after the scan is done. 4866 if (!updateSharedLibrariesLPw(pkg, null)) { 4867 return null; 4868 } 4869 } 4870 4871 if (mFoundPolicyFile) { 4872 SELinuxMMAC.assignSeinfoValue(pkg); 4873 } 4874 4875 pkg.applicationInfo.uid = pkgSetting.appId; 4876 pkg.mExtras = pkgSetting; 4877 4878 if (!verifySignaturesLP(pkgSetting, pkg)) { 4879 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4880 return null; 4881 } 4882 // The signature has changed, but this package is in the system 4883 // image... let's recover! 4884 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4885 // However... if this package is part of a shared user, but it 4886 // doesn't match the signature of the shared user, let's fail. 4887 // What this means is that you can't change the signatures 4888 // associated with an overall shared user, which doesn't seem all 4889 // that unreasonable. 4890 if (pkgSetting.sharedUser != null) { 4891 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4892 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4893 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4894 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4895 return null; 4896 } 4897 } 4898 // File a report about this. 4899 String msg = "System package " + pkg.packageName 4900 + " signature changed; retaining data."; 4901 reportSettingsProblem(Log.WARN, msg); 4902 } 4903 4904 // Verify that this new package doesn't have any content providers 4905 // that conflict with existing packages. Only do this if the 4906 // package isn't already installed, since we don't want to break 4907 // things that are installed. 4908 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4909 final int N = pkg.providers.size(); 4910 int i; 4911 for (i=0; i<N; i++) { 4912 PackageParser.Provider p = pkg.providers.get(i); 4913 if (p.info.authority != null) { 4914 String names[] = p.info.authority.split(";"); 4915 for (int j = 0; j < names.length; j++) { 4916 if (mProvidersByAuthority.containsKey(names[j])) { 4917 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4918 Slog.w(TAG, "Can't install because provider name " + names[j] + 4919 " (in package " + pkg.applicationInfo.packageName + 4920 ") is already used by " 4921 + ((other != null && other.getComponentName() != null) 4922 ? other.getComponentName().getPackageName() : "?")); 4923 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4924 return null; 4925 } 4926 } 4927 } 4928 } 4929 } 4930 4931 if (pkg.mAdoptPermissions != null) { 4932 // This package wants to adopt ownership of permissions from 4933 // another package. 4934 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4935 final String origName = pkg.mAdoptPermissions.get(i); 4936 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4937 if (orig != null) { 4938 if (verifyPackageUpdateLPr(orig, pkg)) { 4939 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4940 + pkg.packageName); 4941 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4942 } 4943 } 4944 } 4945 } 4946 } 4947 4948 final String pkgName = pkg.packageName; 4949 4950 final long scanFileTime = scanFile.lastModified(); 4951 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4952 pkg.applicationInfo.processName = fixProcessName( 4953 pkg.applicationInfo.packageName, 4954 pkg.applicationInfo.processName, 4955 pkg.applicationInfo.uid); 4956 4957 File dataPath; 4958 if (mPlatformPackage == pkg) { 4959 // The system package is special. 4960 dataPath = new File (Environment.getDataDirectory(), "system"); 4961 pkg.applicationInfo.dataDir = dataPath.getPath(); 4962 } else { 4963 // This is a normal package, need to make its data directory. 4964 dataPath = getDataPathForPackage(pkg.packageName, 0); 4965 4966 boolean uidError = false; 4967 4968 if (dataPath.exists()) { 4969 int currentUid = 0; 4970 try { 4971 StructStat stat = Os.stat(dataPath.getPath()); 4972 currentUid = stat.st_uid; 4973 } catch (ErrnoException e) { 4974 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4975 } 4976 4977 // If we have mismatched owners for the data path, we have a problem. 4978 if (currentUid != pkg.applicationInfo.uid) { 4979 boolean recovered = false; 4980 if (currentUid == 0) { 4981 // The directory somehow became owned by root. Wow. 4982 // This is probably because the system was stopped while 4983 // installd was in the middle of messing with its libs 4984 // directory. Ask installd to fix that. 4985 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4986 pkg.applicationInfo.uid); 4987 if (ret >= 0) { 4988 recovered = true; 4989 String msg = "Package " + pkg.packageName 4990 + " unexpectedly changed to uid 0; recovered to " + 4991 + pkg.applicationInfo.uid; 4992 reportSettingsProblem(Log.WARN, msg); 4993 } 4994 } 4995 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4996 || (scanMode&SCAN_BOOTING) != 0)) { 4997 // If this is a system app, we can at least delete its 4998 // current data so the application will still work. 4999 int ret = removeDataDirsLI(pkgName); 5000 if (ret >= 0) { 5001 // TODO: Kill the processes first 5002 // Old data gone! 5003 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5004 ? "System package " : "Third party package "; 5005 String msg = prefix + pkg.packageName 5006 + " has changed from uid: " 5007 + currentUid + " to " 5008 + pkg.applicationInfo.uid + "; old data erased"; 5009 reportSettingsProblem(Log.WARN, msg); 5010 recovered = true; 5011 5012 // And now re-install the app. 5013 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5014 pkg.applicationInfo.seinfo); 5015 if (ret == -1) { 5016 // Ack should not happen! 5017 msg = prefix + pkg.packageName 5018 + " could not have data directory re-created after delete."; 5019 reportSettingsProblem(Log.WARN, msg); 5020 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5021 return null; 5022 } 5023 } 5024 if (!recovered) { 5025 mHasSystemUidErrors = true; 5026 } 5027 } else if (!recovered) { 5028 // If we allow this install to proceed, we will be broken. 5029 // Abort, abort! 5030 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5031 return null; 5032 } 5033 if (!recovered) { 5034 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5035 + pkg.applicationInfo.uid + "/fs_" 5036 + currentUid; 5037 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5038 String msg = "Package " + pkg.packageName 5039 + " has mismatched uid: " 5040 + currentUid + " on disk, " 5041 + pkg.applicationInfo.uid + " in settings"; 5042 // writer 5043 synchronized (mPackages) { 5044 mSettings.mReadMessages.append(msg); 5045 mSettings.mReadMessages.append('\n'); 5046 uidError = true; 5047 if (!pkgSetting.uidError) { 5048 reportSettingsProblem(Log.ERROR, msg); 5049 } 5050 } 5051 } 5052 } 5053 pkg.applicationInfo.dataDir = dataPath.getPath(); 5054 if (mShouldRestoreconData) { 5055 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5056 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5057 pkg.applicationInfo.uid); 5058 } 5059 } else { 5060 if (DEBUG_PACKAGE_SCANNING) { 5061 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5062 Log.v(TAG, "Want this data dir: " + dataPath); 5063 } 5064 //invoke installer to do the actual installation 5065 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5066 pkg.applicationInfo.seinfo); 5067 if (ret < 0) { 5068 // Error from installer 5069 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5070 return null; 5071 } 5072 5073 if (dataPath.exists()) { 5074 pkg.applicationInfo.dataDir = dataPath.getPath(); 5075 } else { 5076 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5077 pkg.applicationInfo.dataDir = null; 5078 } 5079 } 5080 5081 /* 5082 * Set the data dir to the default "/data/data/<package name>/lib" 5083 * if we got here without anyone telling us different (e.g., apps 5084 * stored on SD card have their native libraries stored in the ASEC 5085 * container with the APK). 5086 * 5087 * This happens during an upgrade from a package settings file that 5088 * doesn't have a native library path attribute at all. 5089 */ 5090 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5091 if (pkgSetting.nativeLibraryPathString == null) { 5092 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5093 } else { 5094 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5095 } 5096 } 5097 pkgSetting.uidError = uidError; 5098 } 5099 5100 String path = scanFile.getPath(); 5101 /* Note: We don't want to unpack the native binaries for 5102 * system applications, unless they have been updated 5103 * (the binaries are already under /system/lib). 5104 * Also, don't unpack libs for apps on the external card 5105 * since they should have their libraries in the ASEC 5106 * container already. 5107 * 5108 * In other words, we're going to unpack the binaries 5109 * only for non-system apps and system app upgrades. 5110 */ 5111 if (pkg.applicationInfo.nativeLibraryDir != null) { 5112 try { 5113 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5114 final String dataPathString = dataPath.getCanonicalPath(); 5115 5116 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5117 /* 5118 * Upgrading from a previous version of the OS sometimes 5119 * leaves native libraries in the /data/data/<app>/lib 5120 * directory for system apps even when they shouldn't be. 5121 * Recent changes in the JNI library search path 5122 * necessitates we remove those to match previous behavior. 5123 */ 5124 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5125 Log.i(TAG, "removed obsolete native libraries for system package " 5126 + path); 5127 } 5128 5129 setInternalAppAbi(pkg, pkgSetting); 5130 } else { 5131 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5132 /* 5133 * Update native library dir if it starts with 5134 * /data/data 5135 */ 5136 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5137 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5138 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5139 } 5140 5141 try { 5142 int copyRet = copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir); 5143 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5144 Slog.e(TAG, "Unable to copy native libraries"); 5145 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5146 return null; 5147 } 5148 5149 // We've successfully copied native libraries across, so we make a 5150 // note of what ABI we're using 5151 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5152 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[copyRet]; 5153 } else { 5154 pkg.applicationInfo.requiredCpuAbi = null; 5155 } 5156 } catch (IOException e) { 5157 Slog.e(TAG, "Unable to copy native libraries", e); 5158 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5159 return null; 5160 } 5161 } else { 5162 // We don't have to copy the shared libraries if we're in the ASEC container 5163 // but we still need to scan the file to figure out what ABI the app needs. 5164 // 5165 // TODO: This duplicates work done in the default container service. It's possible 5166 // to clean this up but we'll need to change the interface between this service 5167 // and IMediaContainerService (but doing so will spread this logic out, rather 5168 // than centralizing it). 5169 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5170 final int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5171 if (abi >= 0) { 5172 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[abi]; 5173 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5174 // Note that (non upgraded) system apps will not have any native 5175 // libraries bundled in their APK, but we're guaranteed not to be 5176 // such an app at this point. 5177 pkg.applicationInfo.requiredCpuAbi = null; 5178 } else { 5179 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5180 return null; 5181 } 5182 handle.close(); 5183 } 5184 5185 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5186 final int[] userIds = sUserManager.getUserIds(); 5187 synchronized (mInstallLock) { 5188 for (int userId : userIds) { 5189 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5190 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5191 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5192 + ")"); 5193 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5194 return null; 5195 } 5196 } 5197 } 5198 } 5199 } catch (IOException ioe) { 5200 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5201 } 5202 } 5203 pkg.mScanPath = path; 5204 5205 if ((scanMode&SCAN_NO_DEX) == 0) { 5206 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5207 == DEX_OPT_FAILED) { 5208 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5209 removeDataDirsLI(pkg.packageName); 5210 } 5211 5212 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5213 return null; 5214 } 5215 } 5216 5217 if (mFactoryTest && pkg.requestedPermissions.contains( 5218 android.Manifest.permission.FACTORY_TEST)) { 5219 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5220 } 5221 5222 ArrayList<PackageParser.Package> clientLibPkgs = null; 5223 5224 // writer 5225 synchronized (mPackages) { 5226 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5227 // Only system apps can add new shared libraries. 5228 if (pkg.libraryNames != null) { 5229 for (int i=0; i<pkg.libraryNames.size(); i++) { 5230 String name = pkg.libraryNames.get(i); 5231 boolean allowed = false; 5232 if (isUpdatedSystemApp(pkg)) { 5233 // New library entries can only be added through the 5234 // system image. This is important to get rid of a lot 5235 // of nasty edge cases: for example if we allowed a non- 5236 // system update of the app to add a library, then uninstalling 5237 // the update would make the library go away, and assumptions 5238 // we made such as through app install filtering would now 5239 // have allowed apps on the device which aren't compatible 5240 // with it. Better to just have the restriction here, be 5241 // conservative, and create many fewer cases that can negatively 5242 // impact the user experience. 5243 final PackageSetting sysPs = mSettings 5244 .getDisabledSystemPkgLPr(pkg.packageName); 5245 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5246 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5247 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5248 allowed = true; 5249 allowed = true; 5250 break; 5251 } 5252 } 5253 } 5254 } else { 5255 allowed = true; 5256 } 5257 if (allowed) { 5258 if (!mSharedLibraries.containsKey(name)) { 5259 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5260 } else if (!name.equals(pkg.packageName)) { 5261 Slog.w(TAG, "Package " + pkg.packageName + " library " 5262 + name + " already exists; skipping"); 5263 } 5264 } else { 5265 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5266 + name + " that is not declared on system image; skipping"); 5267 } 5268 } 5269 if ((scanMode&SCAN_BOOTING) == 0) { 5270 // If we are not booting, we need to update any applications 5271 // that are clients of our shared library. If we are booting, 5272 // this will all be done once the scan is complete. 5273 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5274 } 5275 } 5276 } 5277 } 5278 5279 // We also need to dexopt any apps that are dependent on this library. Note that 5280 // if these fail, we should abort the install since installing the library will 5281 // result in some apps being broken. 5282 if (clientLibPkgs != null) { 5283 if ((scanMode&SCAN_NO_DEX) == 0) { 5284 for (int i=0; i<clientLibPkgs.size(); i++) { 5285 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5286 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5287 == DEX_OPT_FAILED) { 5288 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5289 removeDataDirsLI(pkg.packageName); 5290 } 5291 5292 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5293 return null; 5294 } 5295 } 5296 } 5297 } 5298 5299 // Request the ActivityManager to kill the process(only for existing packages) 5300 // so that we do not end up in a confused state while the user is still using the older 5301 // version of the application while the new one gets installed. 5302 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5303 // If the package lives in an asec, tell everyone that the container is going 5304 // away so they can clean up any references to its resources (which would prevent 5305 // vold from being able to unmount the asec) 5306 if (isForwardLocked(pkg) || isExternal(pkg)) { 5307 if (DEBUG_INSTALL) { 5308 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5309 } 5310 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5311 final ArrayList<String> pkgList = new ArrayList<String>(1); 5312 pkgList.add(pkg.applicationInfo.packageName); 5313 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5314 } 5315 5316 // Post the request that it be killed now that the going-away broadcast is en route 5317 killApplication(pkg.applicationInfo.packageName, 5318 pkg.applicationInfo.uid, "update pkg"); 5319 } 5320 5321 // Also need to kill any apps that are dependent on the library. 5322 if (clientLibPkgs != null) { 5323 for (int i=0; i<clientLibPkgs.size(); i++) { 5324 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5325 killApplication(clientPkg.applicationInfo.packageName, 5326 clientPkg.applicationInfo.uid, "update lib"); 5327 } 5328 } 5329 5330 // writer 5331 synchronized (mPackages) { 5332 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5333 // We don't do this here during boot because we can do it all 5334 // at once after scanning all existing packages. 5335 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5336 true, forceDex, (scanMode & SCAN_DEFER_DEX) != 0); 5337 } 5338 // We don't expect installation to fail beyond this point, 5339 if ((scanMode&SCAN_MONITOR) != 0) { 5340 mAppDirs.put(pkg.mPath, pkg); 5341 } 5342 // Add the new setting to mSettings 5343 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5344 // Add the new setting to mPackages 5345 mPackages.put(pkg.applicationInfo.packageName, pkg); 5346 // Make sure we don't accidentally delete its data. 5347 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5348 while (iter.hasNext()) { 5349 PackageCleanItem item = iter.next(); 5350 if (pkgName.equals(item.packageName)) { 5351 iter.remove(); 5352 } 5353 } 5354 5355 // Take care of first install / last update times. 5356 if (currentTime != 0) { 5357 if (pkgSetting.firstInstallTime == 0) { 5358 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5359 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5360 pkgSetting.lastUpdateTime = currentTime; 5361 } 5362 } else if (pkgSetting.firstInstallTime == 0) { 5363 // We need *something*. Take time time stamp of the file. 5364 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5365 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5366 if (scanFileTime != pkgSetting.timeStamp) { 5367 // A package on the system image has changed; consider this 5368 // to be an update. 5369 pkgSetting.lastUpdateTime = scanFileTime; 5370 } 5371 } 5372 5373 // Add the package's KeySets to the global KeySetManager 5374 KeySetManager ksm = mSettings.mKeySetManager; 5375 try { 5376 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5377 if (pkg.mKeySetMapping != null) { 5378 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5379 if (entry.getValue() != null) { 5380 ksm.addDefinedKeySetToPackage(pkg.packageName, 5381 entry.getValue(), entry.getKey()); 5382 } 5383 } 5384 } 5385 } catch (NullPointerException e) { 5386 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5387 } catch (IllegalArgumentException e) { 5388 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5389 } 5390 5391 int N = pkg.providers.size(); 5392 StringBuilder r = null; 5393 int i; 5394 for (i=0; i<N; i++) { 5395 PackageParser.Provider p = pkg.providers.get(i); 5396 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5397 p.info.processName, pkg.applicationInfo.uid); 5398 mProviders.addProvider(p); 5399 p.syncable = p.info.isSyncable; 5400 if (p.info.authority != null) { 5401 String names[] = p.info.authority.split(";"); 5402 p.info.authority = null; 5403 for (int j = 0; j < names.length; j++) { 5404 if (j == 1 && p.syncable) { 5405 // We only want the first authority for a provider to possibly be 5406 // syncable, so if we already added this provider using a different 5407 // authority clear the syncable flag. We copy the provider before 5408 // changing it because the mProviders object contains a reference 5409 // to a provider that we don't want to change. 5410 // Only do this for the second authority since the resulting provider 5411 // object can be the same for all future authorities for this provider. 5412 p = new PackageParser.Provider(p); 5413 p.syncable = false; 5414 } 5415 if (!mProvidersByAuthority.containsKey(names[j])) { 5416 mProvidersByAuthority.put(names[j], p); 5417 if (p.info.authority == null) { 5418 p.info.authority = names[j]; 5419 } else { 5420 p.info.authority = p.info.authority + ";" + names[j]; 5421 } 5422 if (DEBUG_PACKAGE_SCANNING) { 5423 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5424 Log.d(TAG, "Registered content provider: " + names[j] 5425 + ", className = " + p.info.name + ", isSyncable = " 5426 + p.info.isSyncable); 5427 } 5428 } else { 5429 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5430 Slog.w(TAG, "Skipping provider name " + names[j] + 5431 " (in package " + pkg.applicationInfo.packageName + 5432 "): name already used by " 5433 + ((other != null && other.getComponentName() != null) 5434 ? other.getComponentName().getPackageName() : "?")); 5435 } 5436 } 5437 } 5438 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5439 if (r == null) { 5440 r = new StringBuilder(256); 5441 } else { 5442 r.append(' '); 5443 } 5444 r.append(p.info.name); 5445 } 5446 } 5447 if (r != null) { 5448 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5449 } 5450 5451 N = pkg.services.size(); 5452 r = null; 5453 for (i=0; i<N; i++) { 5454 PackageParser.Service s = pkg.services.get(i); 5455 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5456 s.info.processName, pkg.applicationInfo.uid); 5457 mServices.addService(s); 5458 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5459 if (r == null) { 5460 r = new StringBuilder(256); 5461 } else { 5462 r.append(' '); 5463 } 5464 r.append(s.info.name); 5465 } 5466 } 5467 if (r != null) { 5468 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5469 } 5470 5471 N = pkg.receivers.size(); 5472 r = null; 5473 for (i=0; i<N; i++) { 5474 PackageParser.Activity a = pkg.receivers.get(i); 5475 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5476 a.info.processName, pkg.applicationInfo.uid); 5477 mReceivers.addActivity(a, "receiver"); 5478 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5479 if (r == null) { 5480 r = new StringBuilder(256); 5481 } else { 5482 r.append(' '); 5483 } 5484 r.append(a.info.name); 5485 } 5486 } 5487 if (r != null) { 5488 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5489 } 5490 5491 N = pkg.activities.size(); 5492 r = null; 5493 for (i=0; i<N; i++) { 5494 PackageParser.Activity a = pkg.activities.get(i); 5495 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5496 a.info.processName, pkg.applicationInfo.uid); 5497 mActivities.addActivity(a, "activity"); 5498 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5499 if (r == null) { 5500 r = new StringBuilder(256); 5501 } else { 5502 r.append(' '); 5503 } 5504 r.append(a.info.name); 5505 } 5506 } 5507 if (r != null) { 5508 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5509 } 5510 5511 N = pkg.permissionGroups.size(); 5512 r = null; 5513 for (i=0; i<N; i++) { 5514 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5515 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5516 if (cur == null) { 5517 mPermissionGroups.put(pg.info.name, pg); 5518 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5519 if (r == null) { 5520 r = new StringBuilder(256); 5521 } else { 5522 r.append(' '); 5523 } 5524 r.append(pg.info.name); 5525 } 5526 } else { 5527 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5528 + pg.info.packageName + " ignored: original from " 5529 + cur.info.packageName); 5530 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5531 if (r == null) { 5532 r = new StringBuilder(256); 5533 } else { 5534 r.append(' '); 5535 } 5536 r.append("DUP:"); 5537 r.append(pg.info.name); 5538 } 5539 } 5540 } 5541 if (r != null) { 5542 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5543 } 5544 5545 N = pkg.permissions.size(); 5546 r = null; 5547 for (i=0; i<N; i++) { 5548 PackageParser.Permission p = pkg.permissions.get(i); 5549 HashMap<String, BasePermission> permissionMap = 5550 p.tree ? mSettings.mPermissionTrees 5551 : mSettings.mPermissions; 5552 p.group = mPermissionGroups.get(p.info.group); 5553 if (p.info.group == null || p.group != null) { 5554 BasePermission bp = permissionMap.get(p.info.name); 5555 if (bp == null) { 5556 bp = new BasePermission(p.info.name, p.info.packageName, 5557 BasePermission.TYPE_NORMAL); 5558 permissionMap.put(p.info.name, bp); 5559 } 5560 if (bp.perm == null) { 5561 if (bp.sourcePackage != null 5562 && !bp.sourcePackage.equals(p.info.packageName)) { 5563 // If this is a permission that was formerly defined by a non-system 5564 // app, but is now defined by a system app (following an upgrade), 5565 // discard the previous declaration and consider the system's to be 5566 // canonical. 5567 if (isSystemApp(p.owner)) { 5568 String msg = "New decl " + p.owner + " of permission " 5569 + p.info.name + " is system"; 5570 reportSettingsProblem(Log.WARN, msg); 5571 bp.sourcePackage = null; 5572 } 5573 } 5574 if (bp.sourcePackage == null 5575 || bp.sourcePackage.equals(p.info.packageName)) { 5576 BasePermission tree = findPermissionTreeLP(p.info.name); 5577 if (tree == null 5578 || tree.sourcePackage.equals(p.info.packageName)) { 5579 bp.packageSetting = pkgSetting; 5580 bp.perm = p; 5581 bp.uid = pkg.applicationInfo.uid; 5582 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5583 if (r == null) { 5584 r = new StringBuilder(256); 5585 } else { 5586 r.append(' '); 5587 } 5588 r.append(p.info.name); 5589 } 5590 } else { 5591 Slog.w(TAG, "Permission " + p.info.name + " from package " 5592 + p.info.packageName + " ignored: base tree " 5593 + tree.name + " is from package " 5594 + tree.sourcePackage); 5595 } 5596 } else { 5597 Slog.w(TAG, "Permission " + p.info.name + " from package " 5598 + p.info.packageName + " ignored: original from " 5599 + bp.sourcePackage); 5600 } 5601 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5602 if (r == null) { 5603 r = new StringBuilder(256); 5604 } else { 5605 r.append(' '); 5606 } 5607 r.append("DUP:"); 5608 r.append(p.info.name); 5609 } 5610 if (bp.perm == p) { 5611 bp.protectionLevel = p.info.protectionLevel; 5612 } 5613 } else { 5614 Slog.w(TAG, "Permission " + p.info.name + " from package " 5615 + p.info.packageName + " ignored: no group " 5616 + p.group); 5617 } 5618 } 5619 if (r != null) { 5620 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5621 } 5622 5623 N = pkg.instrumentation.size(); 5624 r = null; 5625 for (i=0; i<N; i++) { 5626 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5627 a.info.packageName = pkg.applicationInfo.packageName; 5628 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5629 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5630 a.info.dataDir = pkg.applicationInfo.dataDir; 5631 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5632 mInstrumentation.put(a.getComponentName(), a); 5633 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5634 if (r == null) { 5635 r = new StringBuilder(256); 5636 } else { 5637 r.append(' '); 5638 } 5639 r.append(a.info.name); 5640 } 5641 } 5642 if (r != null) { 5643 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5644 } 5645 5646 if (pkg.protectedBroadcasts != null) { 5647 N = pkg.protectedBroadcasts.size(); 5648 for (i=0; i<N; i++) { 5649 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5650 } 5651 } 5652 5653 pkgSetting.setTimeStamp(scanFileTime); 5654 5655 // Create idmap files for pairs of (packages, overlay packages). 5656 // Note: "android", ie framework-res.apk, is handled by native layers. 5657 if (pkg.mOverlayTarget != null) { 5658 // This is an overlay package. 5659 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5660 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5661 mOverlays.put(pkg.mOverlayTarget, 5662 new HashMap<String, PackageParser.Package>()); 5663 } 5664 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5665 map.put(pkg.packageName, pkg); 5666 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5667 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5668 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5669 return null; 5670 } 5671 } 5672 } else if (mOverlays.containsKey(pkg.packageName) && 5673 !pkg.packageName.equals("android")) { 5674 // This is a regular package, with one or more known overlay packages. 5675 createIdmapsForPackageLI(pkg); 5676 } 5677 } 5678 5679 return pkg; 5680 } 5681 5682 public void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5683 boolean doDexOpt, boolean forceDexOpt, boolean deferDexOpt) { 5684 String requiredInstructionSet = null; 5685 PackageSetting requirer = null; 5686 for (PackageSetting ps : packagesForUser) { 5687 if (ps.requiredCpuAbiString != null) { 5688 final String instructionSet = VMRuntime.getInstructionSet(ps.requiredCpuAbiString); 5689 if (requiredInstructionSet != null) { 5690 if (!instructionSet.equals(requiredInstructionSet)) { 5691 // We have a mismatch between instruction sets (say arm vs arm64). 5692 // 5693 // TODO: We should rescan all the packages in a shared UID to check if 5694 // they do contain shared libs for other ABIs in addition to the ones we've 5695 // already extracted. For example, the package might contain both arm64-v8a 5696 // and armeabi-v7a shared libs, and we'd have chosen arm64-v8a on 64 bit 5697 // devices. 5698 String errorMessage = "Instruction set mismatch, " + requirer.pkg.packageName 5699 + " requires " + requiredInstructionSet + " whereas " + ps.pkg.packageName 5700 + " requires " + instructionSet; 5701 Slog.e(TAG, errorMessage); 5702 5703 reportSettingsProblem(Log.WARN, errorMessage); 5704 // Give up, don't bother making any other changes to the package settings. 5705 return; 5706 } 5707 } else { 5708 requiredInstructionSet = instructionSet; 5709 requirer = ps; 5710 } 5711 } 5712 } 5713 5714 if (requiredInstructionSet != null) { 5715 for (PackageSetting ps : packagesForUser) { 5716 if (ps.requiredCpuAbiString == null) { 5717 ps.requiredCpuAbiString = requirer.requiredCpuAbiString; 5718 if (ps.pkg != null) { 5719 ps.pkg.applicationInfo.requiredCpuAbi = requirer.requiredCpuAbiString; 5720 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + ps.requiredCpuAbiString); 5721 if (doDexOpt) { 5722 performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true); 5723 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 5724 } 5725 } 5726 } 5727 } 5728 } 5729 } 5730 5731 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5732 synchronized (mPackages) { 5733 mResolverReplaced = true; 5734 // Set up information for custom user intent resolution activity. 5735 mResolveActivity.applicationInfo = pkg.applicationInfo; 5736 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5737 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5738 mResolveActivity.processName = null; 5739 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5740 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5741 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5742 mResolveActivity.theme = 0; 5743 mResolveActivity.exported = true; 5744 mResolveActivity.enabled = true; 5745 mResolveInfo.activityInfo = mResolveActivity; 5746 mResolveInfo.priority = 0; 5747 mResolveInfo.preferredOrder = 0; 5748 mResolveInfo.match = 0; 5749 mResolveComponentName = mCustomResolverComponentName; 5750 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5751 mResolveComponentName); 5752 } 5753 } 5754 5755 private String calculateApkRoot(final String codePathString) { 5756 final File codePath = new File(codePathString); 5757 final File codeRoot; 5758 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 5759 codeRoot = Environment.getRootDirectory(); 5760 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 5761 codeRoot = Environment.getOemDirectory(); 5762 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 5763 codeRoot = Environment.getVendorDirectory(); 5764 } else { 5765 // Unrecognized code path; take its top real segment as the apk root: 5766 // e.g. /something/app/blah.apk => /something 5767 try { 5768 File f = codePath.getCanonicalFile(); 5769 File parent = f.getParentFile(); // non-null because codePath is a file 5770 File tmp; 5771 while ((tmp = parent.getParentFile()) != null) { 5772 f = parent; 5773 parent = tmp; 5774 } 5775 codeRoot = f; 5776 Slog.w(TAG, "Unrecognized code path " 5777 + codePath + " - using " + codeRoot); 5778 } catch (IOException e) { 5779 // Can't canonicalize the lib path -- shenanigans? 5780 Slog.w(TAG, "Can't canonicalize code path " + codePath); 5781 return Environment.getRootDirectory().getPath(); 5782 } 5783 } 5784 return codeRoot.getPath(); 5785 } 5786 5787 // This is the initial scan-time determination of how to handle a given 5788 // package for purposes of native library location. 5789 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5790 PackageSetting pkgSetting) { 5791 // "bundled" here means system-installed with no overriding update 5792 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 5793 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5794 final File libDir; 5795 if (bundledApk) { 5796 // If "/system/lib64/apkname" exists, assume that is the per-package 5797 // native library directory to use; otherwise use "/system/lib/apkname". 5798 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5799 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 5800 File packLib64 = new File(lib64, apkName); 5801 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 5802 } else { 5803 libDir = mAppLibInstallDir; 5804 } 5805 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 5806 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5807 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5808 } 5809 5810 // Deduces the required ABI of an upgraded system app. 5811 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 5812 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5813 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5814 5815 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 5816 // or similar. 5817 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 5818 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 5819 5820 // Assume that the bundled native libraries always correspond to the 5821 // most preferred 32 or 64 bit ABI. 5822 if (lib64.exists()) { 5823 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 5824 pkgSetting.requiredCpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 5825 } else if (lib.exists()) { 5826 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5827 pkgSetting.requiredCpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 5828 } else { 5829 // This is the case where the app has no native code. 5830 pkg.applicationInfo.requiredCpuAbi = null; 5831 pkgSetting.requiredCpuAbiString = null; 5832 } 5833 } 5834 5835 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5836 throws IOException { 5837 if (!nativeLibraryDir.isDirectory()) { 5838 nativeLibraryDir.delete(); 5839 5840 if (!nativeLibraryDir.mkdir()) { 5841 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5842 } 5843 5844 try { 5845 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 5846 } catch (ErrnoException e) { 5847 throw new IOException("Cannot chmod native library directory " 5848 + nativeLibraryDir.getPath(), e); 5849 } 5850 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5851 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5852 } 5853 5854 /* 5855 * If this is an internal application or our nativeLibraryPath points to 5856 * the app-lib directory, unpack the libraries if necessary. 5857 */ 5858 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5859 try { 5860 int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5861 if (abi >= 0) { 5862 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 5863 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 5864 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 5865 return copyRet; 5866 } 5867 } 5868 5869 return abi; 5870 } finally { 5871 handle.close(); 5872 } 5873 } 5874 5875 private void killApplication(String pkgName, int appId, String reason) { 5876 // Request the ActivityManager to kill the process(only for existing packages) 5877 // so that we do not end up in a confused state while the user is still using the older 5878 // version of the application while the new one gets installed. 5879 IActivityManager am = ActivityManagerNative.getDefault(); 5880 if (am != null) { 5881 try { 5882 am.killApplicationWithAppId(pkgName, appId, reason); 5883 } catch (RemoteException e) { 5884 } 5885 } 5886 } 5887 5888 void removePackageLI(PackageSetting ps, boolean chatty) { 5889 if (DEBUG_INSTALL) { 5890 if (chatty) 5891 Log.d(TAG, "Removing package " + ps.name); 5892 } 5893 5894 // writer 5895 synchronized (mPackages) { 5896 mPackages.remove(ps.name); 5897 if (ps.codePathString != null) { 5898 mAppDirs.remove(ps.codePathString); 5899 } 5900 5901 final PackageParser.Package pkg = ps.pkg; 5902 if (pkg != null) { 5903 cleanPackageDataStructuresLILPw(pkg, chatty); 5904 } 5905 } 5906 } 5907 5908 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5909 if (DEBUG_INSTALL) { 5910 if (chatty) 5911 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5912 } 5913 5914 // writer 5915 synchronized (mPackages) { 5916 mPackages.remove(pkg.applicationInfo.packageName); 5917 if (pkg.mPath != null) { 5918 mAppDirs.remove(pkg.mPath); 5919 } 5920 cleanPackageDataStructuresLILPw(pkg, chatty); 5921 } 5922 } 5923 5924 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5925 int N = pkg.providers.size(); 5926 StringBuilder r = null; 5927 int i; 5928 for (i=0; i<N; i++) { 5929 PackageParser.Provider p = pkg.providers.get(i); 5930 mProviders.removeProvider(p); 5931 if (p.info.authority == null) { 5932 5933 /* There was another ContentProvider with this authority when 5934 * this app was installed so this authority is null, 5935 * Ignore it as we don't have to unregister the provider. 5936 */ 5937 continue; 5938 } 5939 String names[] = p.info.authority.split(";"); 5940 for (int j = 0; j < names.length; j++) { 5941 if (mProvidersByAuthority.get(names[j]) == p) { 5942 mProvidersByAuthority.remove(names[j]); 5943 if (DEBUG_REMOVE) { 5944 if (chatty) 5945 Log.d(TAG, "Unregistered content provider: " + names[j] 5946 + ", className = " + p.info.name + ", isSyncable = " 5947 + p.info.isSyncable); 5948 } 5949 } 5950 } 5951 if (DEBUG_REMOVE && chatty) { 5952 if (r == null) { 5953 r = new StringBuilder(256); 5954 } else { 5955 r.append(' '); 5956 } 5957 r.append(p.info.name); 5958 } 5959 } 5960 if (r != null) { 5961 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5962 } 5963 5964 N = pkg.services.size(); 5965 r = null; 5966 for (i=0; i<N; i++) { 5967 PackageParser.Service s = pkg.services.get(i); 5968 mServices.removeService(s); 5969 if (chatty) { 5970 if (r == null) { 5971 r = new StringBuilder(256); 5972 } else { 5973 r.append(' '); 5974 } 5975 r.append(s.info.name); 5976 } 5977 } 5978 if (r != null) { 5979 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5980 } 5981 5982 N = pkg.receivers.size(); 5983 r = null; 5984 for (i=0; i<N; i++) { 5985 PackageParser.Activity a = pkg.receivers.get(i); 5986 mReceivers.removeActivity(a, "receiver"); 5987 if (DEBUG_REMOVE && chatty) { 5988 if (r == null) { 5989 r = new StringBuilder(256); 5990 } else { 5991 r.append(' '); 5992 } 5993 r.append(a.info.name); 5994 } 5995 } 5996 if (r != null) { 5997 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5998 } 5999 6000 N = pkg.activities.size(); 6001 r = null; 6002 for (i=0; i<N; i++) { 6003 PackageParser.Activity a = pkg.activities.get(i); 6004 mActivities.removeActivity(a, "activity"); 6005 if (DEBUG_REMOVE && chatty) { 6006 if (r == null) { 6007 r = new StringBuilder(256); 6008 } else { 6009 r.append(' '); 6010 } 6011 r.append(a.info.name); 6012 } 6013 } 6014 if (r != null) { 6015 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6016 } 6017 6018 N = pkg.permissions.size(); 6019 r = null; 6020 for (i=0; i<N; i++) { 6021 PackageParser.Permission p = pkg.permissions.get(i); 6022 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6023 if (bp == null) { 6024 bp = mSettings.mPermissionTrees.get(p.info.name); 6025 } 6026 if (bp != null && bp.perm == p) { 6027 bp.perm = null; 6028 if (DEBUG_REMOVE && chatty) { 6029 if (r == null) { 6030 r = new StringBuilder(256); 6031 } else { 6032 r.append(' '); 6033 } 6034 r.append(p.info.name); 6035 } 6036 } 6037 } 6038 if (r != null) { 6039 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6040 } 6041 6042 N = pkg.instrumentation.size(); 6043 r = null; 6044 for (i=0; i<N; i++) { 6045 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6046 mInstrumentation.remove(a.getComponentName()); 6047 if (DEBUG_REMOVE && chatty) { 6048 if (r == null) { 6049 r = new StringBuilder(256); 6050 } else { 6051 r.append(' '); 6052 } 6053 r.append(a.info.name); 6054 } 6055 } 6056 if (r != null) { 6057 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6058 } 6059 6060 r = null; 6061 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6062 // Only system apps can hold shared libraries. 6063 if (pkg.libraryNames != null) { 6064 for (i=0; i<pkg.libraryNames.size(); i++) { 6065 String name = pkg.libraryNames.get(i); 6066 SharedLibraryEntry cur = mSharedLibraries.get(name); 6067 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6068 mSharedLibraries.remove(name); 6069 if (DEBUG_REMOVE && chatty) { 6070 if (r == null) { 6071 r = new StringBuilder(256); 6072 } else { 6073 r.append(' '); 6074 } 6075 r.append(name); 6076 } 6077 } 6078 } 6079 } 6080 } 6081 if (r != null) { 6082 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6083 } 6084 } 6085 6086 private static final boolean isPackageFilename(String name) { 6087 return name != null && name.endsWith(".apk"); 6088 } 6089 6090 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6091 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6092 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6093 return true; 6094 } 6095 } 6096 return false; 6097 } 6098 6099 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6100 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6101 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6102 6103 private void updatePermissionsLPw(String changingPkg, 6104 PackageParser.Package pkgInfo, int flags) { 6105 // Make sure there are no dangling permission trees. 6106 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6107 while (it.hasNext()) { 6108 final BasePermission bp = it.next(); 6109 if (bp.packageSetting == null) { 6110 // We may not yet have parsed the package, so just see if 6111 // we still know about its settings. 6112 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6113 } 6114 if (bp.packageSetting == null) { 6115 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6116 + " from package " + bp.sourcePackage); 6117 it.remove(); 6118 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6119 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6120 Slog.i(TAG, "Removing old permission tree: " + bp.name 6121 + " from package " + bp.sourcePackage); 6122 flags |= UPDATE_PERMISSIONS_ALL; 6123 it.remove(); 6124 } 6125 } 6126 } 6127 6128 // Make sure all dynamic permissions have been assigned to a package, 6129 // and make sure there are no dangling permissions. 6130 it = mSettings.mPermissions.values().iterator(); 6131 while (it.hasNext()) { 6132 final BasePermission bp = it.next(); 6133 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6134 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6135 + bp.name + " pkg=" + bp.sourcePackage 6136 + " info=" + bp.pendingInfo); 6137 if (bp.packageSetting == null && bp.pendingInfo != null) { 6138 final BasePermission tree = findPermissionTreeLP(bp.name); 6139 if (tree != null && tree.perm != null) { 6140 bp.packageSetting = tree.packageSetting; 6141 bp.perm = new PackageParser.Permission(tree.perm.owner, 6142 new PermissionInfo(bp.pendingInfo)); 6143 bp.perm.info.packageName = tree.perm.info.packageName; 6144 bp.perm.info.name = bp.name; 6145 bp.uid = tree.uid; 6146 } 6147 } 6148 } 6149 if (bp.packageSetting == null) { 6150 // We may not yet have parsed the package, so just see if 6151 // we still know about its settings. 6152 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6153 } 6154 if (bp.packageSetting == null) { 6155 Slog.w(TAG, "Removing dangling permission: " + bp.name 6156 + " from package " + bp.sourcePackage); 6157 it.remove(); 6158 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6159 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6160 Slog.i(TAG, "Removing old permission: " + bp.name 6161 + " from package " + bp.sourcePackage); 6162 flags |= UPDATE_PERMISSIONS_ALL; 6163 it.remove(); 6164 } 6165 } 6166 } 6167 6168 // Now update the permissions for all packages, in particular 6169 // replace the granted permissions of the system packages. 6170 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6171 for (PackageParser.Package pkg : mPackages.values()) { 6172 if (pkg != pkgInfo) { 6173 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6174 } 6175 } 6176 } 6177 6178 if (pkgInfo != null) { 6179 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6180 } 6181 } 6182 6183 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6184 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6185 if (ps == null) { 6186 return; 6187 } 6188 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6189 HashSet<String> origPermissions = gp.grantedPermissions; 6190 boolean changedPermission = false; 6191 6192 if (replace) { 6193 ps.permissionsFixed = false; 6194 if (gp == ps) { 6195 origPermissions = new HashSet<String>(gp.grantedPermissions); 6196 gp.grantedPermissions.clear(); 6197 gp.gids = mGlobalGids; 6198 } 6199 } 6200 6201 if (gp.gids == null) { 6202 gp.gids = mGlobalGids; 6203 } 6204 6205 final int N = pkg.requestedPermissions.size(); 6206 for (int i=0; i<N; i++) { 6207 final String name = pkg.requestedPermissions.get(i); 6208 final boolean required = pkg.requestedPermissionsRequired.get(i); 6209 final BasePermission bp = mSettings.mPermissions.get(name); 6210 if (DEBUG_INSTALL) { 6211 if (gp != ps) { 6212 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6213 } 6214 } 6215 6216 if (bp == null || bp.packageSetting == null) { 6217 Slog.w(TAG, "Unknown permission " + name 6218 + " in package " + pkg.packageName); 6219 continue; 6220 } 6221 6222 final String perm = bp.name; 6223 boolean allowed; 6224 boolean allowedSig = false; 6225 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6226 if (level == PermissionInfo.PROTECTION_NORMAL 6227 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6228 // We grant a normal or dangerous permission if any of the following 6229 // are true: 6230 // 1) The permission is required 6231 // 2) The permission is optional, but was granted in the past 6232 // 3) The permission is optional, but was requested by an 6233 // app in /system (not /data) 6234 // 6235 // Otherwise, reject the permission. 6236 allowed = (required || origPermissions.contains(perm) 6237 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6238 } else if (bp.packageSetting == null) { 6239 // This permission is invalid; skip it. 6240 allowed = false; 6241 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6242 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6243 if (allowed) { 6244 allowedSig = true; 6245 } 6246 } else { 6247 allowed = false; 6248 } 6249 if (DEBUG_INSTALL) { 6250 if (gp != ps) { 6251 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6252 } 6253 } 6254 if (allowed) { 6255 if (!isSystemApp(ps) && ps.permissionsFixed) { 6256 // If this is an existing, non-system package, then 6257 // we can't add any new permissions to it. 6258 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6259 // Except... if this is a permission that was added 6260 // to the platform (note: need to only do this when 6261 // updating the platform). 6262 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6263 } 6264 } 6265 if (allowed) { 6266 if (!gp.grantedPermissions.contains(perm)) { 6267 changedPermission = true; 6268 gp.grantedPermissions.add(perm); 6269 gp.gids = appendInts(gp.gids, bp.gids); 6270 } else if (!ps.haveGids) { 6271 gp.gids = appendInts(gp.gids, bp.gids); 6272 } 6273 } else { 6274 Slog.w(TAG, "Not granting permission " + perm 6275 + " to package " + pkg.packageName 6276 + " because it was previously installed without"); 6277 } 6278 } else { 6279 if (gp.grantedPermissions.remove(perm)) { 6280 changedPermission = true; 6281 gp.gids = removeInts(gp.gids, bp.gids); 6282 Slog.i(TAG, "Un-granting permission " + perm 6283 + " from package " + pkg.packageName 6284 + " (protectionLevel=" + bp.protectionLevel 6285 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6286 + ")"); 6287 } else { 6288 Slog.w(TAG, "Not granting permission " + perm 6289 + " to package " + pkg.packageName 6290 + " (protectionLevel=" + bp.protectionLevel 6291 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6292 + ")"); 6293 } 6294 } 6295 } 6296 6297 if ((changedPermission || replace) && !ps.permissionsFixed && 6298 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6299 // This is the first that we have heard about this package, so the 6300 // permissions we have now selected are fixed until explicitly 6301 // changed. 6302 ps.permissionsFixed = true; 6303 } 6304 ps.haveGids = true; 6305 } 6306 6307 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6308 boolean allowed = false; 6309 final int NP = PackageParser.NEW_PERMISSIONS.length; 6310 for (int ip=0; ip<NP; ip++) { 6311 final PackageParser.NewPermissionInfo npi 6312 = PackageParser.NEW_PERMISSIONS[ip]; 6313 if (npi.name.equals(perm) 6314 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6315 allowed = true; 6316 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6317 + pkg.packageName); 6318 break; 6319 } 6320 } 6321 return allowed; 6322 } 6323 6324 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6325 BasePermission bp, HashSet<String> origPermissions) { 6326 boolean allowed; 6327 allowed = (compareSignatures( 6328 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6329 == PackageManager.SIGNATURE_MATCH) 6330 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6331 == PackageManager.SIGNATURE_MATCH); 6332 if (!allowed && (bp.protectionLevel 6333 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6334 if (isSystemApp(pkg)) { 6335 // For updated system applications, a system permission 6336 // is granted only if it had been defined by the original application. 6337 if (isUpdatedSystemApp(pkg)) { 6338 final PackageSetting sysPs = mSettings 6339 .getDisabledSystemPkgLPr(pkg.packageName); 6340 final GrantedPermissions origGp = sysPs.sharedUser != null 6341 ? sysPs.sharedUser : sysPs; 6342 6343 if (origGp.grantedPermissions.contains(perm)) { 6344 // If the original was granted this permission, we take 6345 // that grant decision as read and propagate it to the 6346 // update. 6347 allowed = true; 6348 } else { 6349 // The system apk may have been updated with an older 6350 // version of the one on the data partition, but which 6351 // granted a new system permission that it didn't have 6352 // before. In this case we do want to allow the app to 6353 // now get the new permission if the ancestral apk is 6354 // privileged to get it. 6355 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6356 for (int j=0; 6357 j<sysPs.pkg.requestedPermissions.size(); j++) { 6358 if (perm.equals( 6359 sysPs.pkg.requestedPermissions.get(j))) { 6360 allowed = true; 6361 break; 6362 } 6363 } 6364 } 6365 } 6366 } else { 6367 allowed = isPrivilegedApp(pkg); 6368 } 6369 } 6370 } 6371 if (!allowed && (bp.protectionLevel 6372 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6373 // For development permissions, a development permission 6374 // is granted only if it was already granted. 6375 allowed = origPermissions.contains(perm); 6376 } 6377 return allowed; 6378 } 6379 6380 final class ActivityIntentResolver 6381 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6382 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6383 boolean defaultOnly, int userId) { 6384 if (!sUserManager.exists(userId)) return null; 6385 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6386 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6387 } 6388 6389 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6390 int userId) { 6391 if (!sUserManager.exists(userId)) return null; 6392 mFlags = flags; 6393 return super.queryIntent(intent, resolvedType, 6394 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6395 } 6396 6397 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6398 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6399 if (!sUserManager.exists(userId)) return null; 6400 if (packageActivities == null) { 6401 return null; 6402 } 6403 mFlags = flags; 6404 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6405 final int N = packageActivities.size(); 6406 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6407 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6408 6409 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6410 for (int i = 0; i < N; ++i) { 6411 intentFilters = packageActivities.get(i).intents; 6412 if (intentFilters != null && intentFilters.size() > 0) { 6413 PackageParser.ActivityIntentInfo[] array = 6414 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6415 intentFilters.toArray(array); 6416 listCut.add(array); 6417 } 6418 } 6419 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6420 } 6421 6422 public final void addActivity(PackageParser.Activity a, String type) { 6423 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6424 mActivities.put(a.getComponentName(), a); 6425 if (DEBUG_SHOW_INFO) 6426 Log.v( 6427 TAG, " " + type + " " + 6428 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6429 if (DEBUG_SHOW_INFO) 6430 Log.v(TAG, " Class=" + a.info.name); 6431 final int NI = a.intents.size(); 6432 for (int j=0; j<NI; j++) { 6433 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6434 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6435 intent.setPriority(0); 6436 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6437 + a.className + " with priority > 0, forcing to 0"); 6438 } 6439 if (DEBUG_SHOW_INFO) { 6440 Log.v(TAG, " IntentFilter:"); 6441 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6442 } 6443 if (!intent.debugCheck()) { 6444 Log.w(TAG, "==> For Activity " + a.info.name); 6445 } 6446 addFilter(intent); 6447 } 6448 } 6449 6450 public final void removeActivity(PackageParser.Activity a, String type) { 6451 mActivities.remove(a.getComponentName()); 6452 if (DEBUG_SHOW_INFO) { 6453 Log.v(TAG, " " + type + " " 6454 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6455 : a.info.name) + ":"); 6456 Log.v(TAG, " Class=" + a.info.name); 6457 } 6458 final int NI = a.intents.size(); 6459 for (int j=0; j<NI; j++) { 6460 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6461 if (DEBUG_SHOW_INFO) { 6462 Log.v(TAG, " IntentFilter:"); 6463 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6464 } 6465 removeFilter(intent); 6466 } 6467 } 6468 6469 @Override 6470 protected boolean allowFilterResult( 6471 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6472 ActivityInfo filterAi = filter.activity.info; 6473 for (int i=dest.size()-1; i>=0; i--) { 6474 ActivityInfo destAi = dest.get(i).activityInfo; 6475 if (destAi.name == filterAi.name 6476 && destAi.packageName == filterAi.packageName) { 6477 return false; 6478 } 6479 } 6480 return true; 6481 } 6482 6483 @Override 6484 protected ActivityIntentInfo[] newArray(int size) { 6485 return new ActivityIntentInfo[size]; 6486 } 6487 6488 @Override 6489 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6490 if (!sUserManager.exists(userId)) return true; 6491 PackageParser.Package p = filter.activity.owner; 6492 if (p != null) { 6493 PackageSetting ps = (PackageSetting)p.mExtras; 6494 if (ps != null) { 6495 // System apps are never considered stopped for purposes of 6496 // filtering, because there may be no way for the user to 6497 // actually re-launch them. 6498 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6499 && ps.getStopped(userId); 6500 } 6501 } 6502 return false; 6503 } 6504 6505 @Override 6506 protected boolean isPackageForFilter(String packageName, 6507 PackageParser.ActivityIntentInfo info) { 6508 return packageName.equals(info.activity.owner.packageName); 6509 } 6510 6511 @Override 6512 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6513 int match, int userId) { 6514 if (!sUserManager.exists(userId)) return null; 6515 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6516 return null; 6517 } 6518 final PackageParser.Activity activity = info.activity; 6519 if (mSafeMode && (activity.info.applicationInfo.flags 6520 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6521 return null; 6522 } 6523 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6524 if (ps == null) { 6525 return null; 6526 } 6527 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6528 ps.readUserState(userId), userId); 6529 if (ai == null) { 6530 return null; 6531 } 6532 final ResolveInfo res = new ResolveInfo(); 6533 res.activityInfo = ai; 6534 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6535 res.filter = info; 6536 } 6537 res.priority = info.getPriority(); 6538 res.preferredOrder = activity.owner.mPreferredOrder; 6539 //System.out.println("Result: " + res.activityInfo.className + 6540 // " = " + res.priority); 6541 res.match = match; 6542 res.isDefault = info.hasDefault; 6543 res.labelRes = info.labelRes; 6544 res.nonLocalizedLabel = info.nonLocalizedLabel; 6545 res.icon = info.icon; 6546 res.system = isSystemApp(res.activityInfo.applicationInfo); 6547 return res; 6548 } 6549 6550 @Override 6551 protected void sortResults(List<ResolveInfo> results) { 6552 Collections.sort(results, mResolvePrioritySorter); 6553 } 6554 6555 @Override 6556 protected void dumpFilter(PrintWriter out, String prefix, 6557 PackageParser.ActivityIntentInfo filter) { 6558 out.print(prefix); out.print( 6559 Integer.toHexString(System.identityHashCode(filter.activity))); 6560 out.print(' '); 6561 filter.activity.printComponentShortName(out); 6562 out.print(" filter "); 6563 out.println(Integer.toHexString(System.identityHashCode(filter))); 6564 } 6565 6566// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6567// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6568// final List<ResolveInfo> retList = Lists.newArrayList(); 6569// while (i.hasNext()) { 6570// final ResolveInfo resolveInfo = i.next(); 6571// if (isEnabledLP(resolveInfo.activityInfo)) { 6572// retList.add(resolveInfo); 6573// } 6574// } 6575// return retList; 6576// } 6577 6578 // Keys are String (activity class name), values are Activity. 6579 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6580 = new HashMap<ComponentName, PackageParser.Activity>(); 6581 private int mFlags; 6582 } 6583 6584 private final class ServiceIntentResolver 6585 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6586 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6587 boolean defaultOnly, int userId) { 6588 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6589 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6590 } 6591 6592 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6593 int userId) { 6594 if (!sUserManager.exists(userId)) return null; 6595 mFlags = flags; 6596 return super.queryIntent(intent, resolvedType, 6597 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6598 } 6599 6600 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6601 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6602 if (!sUserManager.exists(userId)) return null; 6603 if (packageServices == null) { 6604 return null; 6605 } 6606 mFlags = flags; 6607 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6608 final int N = packageServices.size(); 6609 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6610 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6611 6612 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6613 for (int i = 0; i < N; ++i) { 6614 intentFilters = packageServices.get(i).intents; 6615 if (intentFilters != null && intentFilters.size() > 0) { 6616 PackageParser.ServiceIntentInfo[] array = 6617 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6618 intentFilters.toArray(array); 6619 listCut.add(array); 6620 } 6621 } 6622 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6623 } 6624 6625 public final void addService(PackageParser.Service s) { 6626 mServices.put(s.getComponentName(), s); 6627 if (DEBUG_SHOW_INFO) { 6628 Log.v(TAG, " " 6629 + (s.info.nonLocalizedLabel != null 6630 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6631 Log.v(TAG, " Class=" + s.info.name); 6632 } 6633 final int NI = s.intents.size(); 6634 int j; 6635 for (j=0; j<NI; j++) { 6636 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6637 if (DEBUG_SHOW_INFO) { 6638 Log.v(TAG, " IntentFilter:"); 6639 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6640 } 6641 if (!intent.debugCheck()) { 6642 Log.w(TAG, "==> For Service " + s.info.name); 6643 } 6644 addFilter(intent); 6645 } 6646 } 6647 6648 public final void removeService(PackageParser.Service s) { 6649 mServices.remove(s.getComponentName()); 6650 if (DEBUG_SHOW_INFO) { 6651 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6652 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6653 Log.v(TAG, " Class=" + s.info.name); 6654 } 6655 final int NI = s.intents.size(); 6656 int j; 6657 for (j=0; j<NI; j++) { 6658 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6659 if (DEBUG_SHOW_INFO) { 6660 Log.v(TAG, " IntentFilter:"); 6661 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6662 } 6663 removeFilter(intent); 6664 } 6665 } 6666 6667 @Override 6668 protected boolean allowFilterResult( 6669 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6670 ServiceInfo filterSi = filter.service.info; 6671 for (int i=dest.size()-1; i>=0; i--) { 6672 ServiceInfo destAi = dest.get(i).serviceInfo; 6673 if (destAi.name == filterSi.name 6674 && destAi.packageName == filterSi.packageName) { 6675 return false; 6676 } 6677 } 6678 return true; 6679 } 6680 6681 @Override 6682 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6683 return new PackageParser.ServiceIntentInfo[size]; 6684 } 6685 6686 @Override 6687 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6688 if (!sUserManager.exists(userId)) return true; 6689 PackageParser.Package p = filter.service.owner; 6690 if (p != null) { 6691 PackageSetting ps = (PackageSetting)p.mExtras; 6692 if (ps != null) { 6693 // System apps are never considered stopped for purposes of 6694 // filtering, because there may be no way for the user to 6695 // actually re-launch them. 6696 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6697 && ps.getStopped(userId); 6698 } 6699 } 6700 return false; 6701 } 6702 6703 @Override 6704 protected boolean isPackageForFilter(String packageName, 6705 PackageParser.ServiceIntentInfo info) { 6706 return packageName.equals(info.service.owner.packageName); 6707 } 6708 6709 @Override 6710 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6711 int match, int userId) { 6712 if (!sUserManager.exists(userId)) return null; 6713 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6714 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6715 return null; 6716 } 6717 final PackageParser.Service service = info.service; 6718 if (mSafeMode && (service.info.applicationInfo.flags 6719 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6720 return null; 6721 } 6722 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6723 if (ps == null) { 6724 return null; 6725 } 6726 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6727 ps.readUserState(userId), userId); 6728 if (si == null) { 6729 return null; 6730 } 6731 final ResolveInfo res = new ResolveInfo(); 6732 res.serviceInfo = si; 6733 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6734 res.filter = filter; 6735 } 6736 res.priority = info.getPriority(); 6737 res.preferredOrder = service.owner.mPreferredOrder; 6738 //System.out.println("Result: " + res.activityInfo.className + 6739 // " = " + res.priority); 6740 res.match = match; 6741 res.isDefault = info.hasDefault; 6742 res.labelRes = info.labelRes; 6743 res.nonLocalizedLabel = info.nonLocalizedLabel; 6744 res.icon = info.icon; 6745 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6746 return res; 6747 } 6748 6749 @Override 6750 protected void sortResults(List<ResolveInfo> results) { 6751 Collections.sort(results, mResolvePrioritySorter); 6752 } 6753 6754 @Override 6755 protected void dumpFilter(PrintWriter out, String prefix, 6756 PackageParser.ServiceIntentInfo filter) { 6757 out.print(prefix); out.print( 6758 Integer.toHexString(System.identityHashCode(filter.service))); 6759 out.print(' '); 6760 filter.service.printComponentShortName(out); 6761 out.print(" filter "); 6762 out.println(Integer.toHexString(System.identityHashCode(filter))); 6763 } 6764 6765// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6766// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6767// final List<ResolveInfo> retList = Lists.newArrayList(); 6768// while (i.hasNext()) { 6769// final ResolveInfo resolveInfo = (ResolveInfo) i; 6770// if (isEnabledLP(resolveInfo.serviceInfo)) { 6771// retList.add(resolveInfo); 6772// } 6773// } 6774// return retList; 6775// } 6776 6777 // Keys are String (activity class name), values are Activity. 6778 private final HashMap<ComponentName, PackageParser.Service> mServices 6779 = new HashMap<ComponentName, PackageParser.Service>(); 6780 private int mFlags; 6781 }; 6782 6783 private final class ProviderIntentResolver 6784 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6785 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6786 boolean defaultOnly, int userId) { 6787 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6788 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6789 } 6790 6791 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6792 int userId) { 6793 if (!sUserManager.exists(userId)) 6794 return null; 6795 mFlags = flags; 6796 return super.queryIntent(intent, resolvedType, 6797 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6798 } 6799 6800 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6801 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6802 if (!sUserManager.exists(userId)) 6803 return null; 6804 if (packageProviders == null) { 6805 return null; 6806 } 6807 mFlags = flags; 6808 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6809 final int N = packageProviders.size(); 6810 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6811 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6812 6813 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6814 for (int i = 0; i < N; ++i) { 6815 intentFilters = packageProviders.get(i).intents; 6816 if (intentFilters != null && intentFilters.size() > 0) { 6817 PackageParser.ProviderIntentInfo[] array = 6818 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6819 intentFilters.toArray(array); 6820 listCut.add(array); 6821 } 6822 } 6823 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6824 } 6825 6826 public final void addProvider(PackageParser.Provider p) { 6827 if (mProviders.containsKey(p.getComponentName())) { 6828 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 6829 return; 6830 } 6831 6832 mProviders.put(p.getComponentName(), p); 6833 if (DEBUG_SHOW_INFO) { 6834 Log.v(TAG, " " 6835 + (p.info.nonLocalizedLabel != null 6836 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6837 Log.v(TAG, " Class=" + p.info.name); 6838 } 6839 final int NI = p.intents.size(); 6840 int j; 6841 for (j = 0; j < NI; j++) { 6842 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6843 if (DEBUG_SHOW_INFO) { 6844 Log.v(TAG, " IntentFilter:"); 6845 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6846 } 6847 if (!intent.debugCheck()) { 6848 Log.w(TAG, "==> For Provider " + p.info.name); 6849 } 6850 addFilter(intent); 6851 } 6852 } 6853 6854 public final void removeProvider(PackageParser.Provider p) { 6855 mProviders.remove(p.getComponentName()); 6856 if (DEBUG_SHOW_INFO) { 6857 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6858 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6859 Log.v(TAG, " Class=" + p.info.name); 6860 } 6861 final int NI = p.intents.size(); 6862 int j; 6863 for (j = 0; j < NI; j++) { 6864 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6865 if (DEBUG_SHOW_INFO) { 6866 Log.v(TAG, " IntentFilter:"); 6867 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6868 } 6869 removeFilter(intent); 6870 } 6871 } 6872 6873 @Override 6874 protected boolean allowFilterResult( 6875 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6876 ProviderInfo filterPi = filter.provider.info; 6877 for (int i = dest.size() - 1; i >= 0; i--) { 6878 ProviderInfo destPi = dest.get(i).providerInfo; 6879 if (destPi.name == filterPi.name 6880 && destPi.packageName == filterPi.packageName) { 6881 return false; 6882 } 6883 } 6884 return true; 6885 } 6886 6887 @Override 6888 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6889 return new PackageParser.ProviderIntentInfo[size]; 6890 } 6891 6892 @Override 6893 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6894 if (!sUserManager.exists(userId)) 6895 return true; 6896 PackageParser.Package p = filter.provider.owner; 6897 if (p != null) { 6898 PackageSetting ps = (PackageSetting) p.mExtras; 6899 if (ps != null) { 6900 // System apps are never considered stopped for purposes of 6901 // filtering, because there may be no way for the user to 6902 // actually re-launch them. 6903 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6904 && ps.getStopped(userId); 6905 } 6906 } 6907 return false; 6908 } 6909 6910 @Override 6911 protected boolean isPackageForFilter(String packageName, 6912 PackageParser.ProviderIntentInfo info) { 6913 return packageName.equals(info.provider.owner.packageName); 6914 } 6915 6916 @Override 6917 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6918 int match, int userId) { 6919 if (!sUserManager.exists(userId)) 6920 return null; 6921 final PackageParser.ProviderIntentInfo info = filter; 6922 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6923 return null; 6924 } 6925 final PackageParser.Provider provider = info.provider; 6926 if (mSafeMode && (provider.info.applicationInfo.flags 6927 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6928 return null; 6929 } 6930 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6931 if (ps == null) { 6932 return null; 6933 } 6934 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6935 ps.readUserState(userId), userId); 6936 if (pi == null) { 6937 return null; 6938 } 6939 final ResolveInfo res = new ResolveInfo(); 6940 res.providerInfo = pi; 6941 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6942 res.filter = filter; 6943 } 6944 res.priority = info.getPriority(); 6945 res.preferredOrder = provider.owner.mPreferredOrder; 6946 res.match = match; 6947 res.isDefault = info.hasDefault; 6948 res.labelRes = info.labelRes; 6949 res.nonLocalizedLabel = info.nonLocalizedLabel; 6950 res.icon = info.icon; 6951 res.system = isSystemApp(res.providerInfo.applicationInfo); 6952 return res; 6953 } 6954 6955 @Override 6956 protected void sortResults(List<ResolveInfo> results) { 6957 Collections.sort(results, mResolvePrioritySorter); 6958 } 6959 6960 @Override 6961 protected void dumpFilter(PrintWriter out, String prefix, 6962 PackageParser.ProviderIntentInfo filter) { 6963 out.print(prefix); 6964 out.print( 6965 Integer.toHexString(System.identityHashCode(filter.provider))); 6966 out.print(' '); 6967 filter.provider.printComponentShortName(out); 6968 out.print(" filter "); 6969 out.println(Integer.toHexString(System.identityHashCode(filter))); 6970 } 6971 6972 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6973 = new HashMap<ComponentName, PackageParser.Provider>(); 6974 private int mFlags; 6975 }; 6976 6977 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6978 new Comparator<ResolveInfo>() { 6979 public int compare(ResolveInfo r1, ResolveInfo r2) { 6980 int v1 = r1.priority; 6981 int v2 = r2.priority; 6982 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6983 if (v1 != v2) { 6984 return (v1 > v2) ? -1 : 1; 6985 } 6986 v1 = r1.preferredOrder; 6987 v2 = r2.preferredOrder; 6988 if (v1 != v2) { 6989 return (v1 > v2) ? -1 : 1; 6990 } 6991 if (r1.isDefault != r2.isDefault) { 6992 return r1.isDefault ? -1 : 1; 6993 } 6994 v1 = r1.match; 6995 v2 = r2.match; 6996 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6997 if (v1 != v2) { 6998 return (v1 > v2) ? -1 : 1; 6999 } 7000 if (r1.system != r2.system) { 7001 return r1.system ? -1 : 1; 7002 } 7003 return 0; 7004 } 7005 }; 7006 7007 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7008 new Comparator<ProviderInfo>() { 7009 public int compare(ProviderInfo p1, ProviderInfo p2) { 7010 final int v1 = p1.initOrder; 7011 final int v2 = p2.initOrder; 7012 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7013 } 7014 }; 7015 7016 static final void sendPackageBroadcast(String action, String pkg, 7017 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7018 int[] userIds) { 7019 IActivityManager am = ActivityManagerNative.getDefault(); 7020 if (am != null) { 7021 try { 7022 if (userIds == null) { 7023 userIds = am.getRunningUserIds(); 7024 } 7025 for (int id : userIds) { 7026 final Intent intent = new Intent(action, 7027 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7028 if (extras != null) { 7029 intent.putExtras(extras); 7030 } 7031 if (targetPkg != null) { 7032 intent.setPackage(targetPkg); 7033 } 7034 // Modify the UID when posting to other users 7035 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7036 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7037 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7038 intent.putExtra(Intent.EXTRA_UID, uid); 7039 } 7040 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7041 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7042 if (DEBUG_BROADCASTS) { 7043 RuntimeException here = new RuntimeException("here"); 7044 here.fillInStackTrace(); 7045 Slog.d(TAG, "Sending to user " + id + ": " 7046 + intent.toShortString(false, true, false, false) 7047 + " " + intent.getExtras(), here); 7048 } 7049 am.broadcastIntent(null, intent, null, finishedReceiver, 7050 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7051 finishedReceiver != null, false, id); 7052 } 7053 } catch (RemoteException ex) { 7054 } 7055 } 7056 } 7057 7058 /** 7059 * Check if the external storage media is available. This is true if there 7060 * is a mounted external storage medium or if the external storage is 7061 * emulated. 7062 */ 7063 private boolean isExternalMediaAvailable() { 7064 return mMediaMounted || Environment.isExternalStorageEmulated(); 7065 } 7066 7067 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7068 // writer 7069 synchronized (mPackages) { 7070 if (!isExternalMediaAvailable()) { 7071 // If the external storage is no longer mounted at this point, 7072 // the caller may not have been able to delete all of this 7073 // packages files and can not delete any more. Bail. 7074 return null; 7075 } 7076 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7077 if (lastPackage != null) { 7078 pkgs.remove(lastPackage); 7079 } 7080 if (pkgs.size() > 0) { 7081 return pkgs.get(0); 7082 } 7083 } 7084 return null; 7085 } 7086 7087 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7088 if (false) { 7089 RuntimeException here = new RuntimeException("here"); 7090 here.fillInStackTrace(); 7091 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7092 + " andCode=" + andCode, here); 7093 } 7094 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7095 userId, andCode ? 1 : 0, packageName)); 7096 } 7097 7098 void startCleaningPackages() { 7099 // reader 7100 synchronized (mPackages) { 7101 if (!isExternalMediaAvailable()) { 7102 return; 7103 } 7104 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7105 return; 7106 } 7107 } 7108 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7109 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7110 IActivityManager am = ActivityManagerNative.getDefault(); 7111 if (am != null) { 7112 try { 7113 am.startService(null, intent, null, UserHandle.USER_OWNER); 7114 } catch (RemoteException e) { 7115 } 7116 } 7117 } 7118 7119 private final class AppDirObserver extends FileObserver { 7120 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7121 super(path, mask); 7122 mRootDir = path; 7123 mIsRom = isrom; 7124 mIsPrivileged = isPrivileged; 7125 } 7126 7127 public void onEvent(int event, String path) { 7128 String removedPackage = null; 7129 int removedAppId = -1; 7130 int[] removedUsers = null; 7131 String addedPackage = null; 7132 int addedAppId = -1; 7133 int[] addedUsers = null; 7134 7135 // TODO post a message to the handler to obtain serial ordering 7136 synchronized (mInstallLock) { 7137 String fullPathStr = null; 7138 File fullPath = null; 7139 if (path != null) { 7140 fullPath = new File(mRootDir, path); 7141 fullPathStr = fullPath.getPath(); 7142 } 7143 7144 if (DEBUG_APP_DIR_OBSERVER) 7145 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7146 7147 if (!isPackageFilename(path)) { 7148 if (DEBUG_APP_DIR_OBSERVER) 7149 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7150 return; 7151 } 7152 7153 // Ignore packages that are being installed or 7154 // have just been installed. 7155 if (ignoreCodePath(fullPathStr)) { 7156 return; 7157 } 7158 PackageParser.Package p = null; 7159 PackageSetting ps = null; 7160 // reader 7161 synchronized (mPackages) { 7162 p = mAppDirs.get(fullPathStr); 7163 if (p != null) { 7164 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7165 if (ps != null) { 7166 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7167 } else { 7168 removedUsers = sUserManager.getUserIds(); 7169 } 7170 } 7171 addedUsers = sUserManager.getUserIds(); 7172 } 7173 if ((event&REMOVE_EVENTS) != 0) { 7174 if (ps != null) { 7175 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7176 removePackageLI(ps, true); 7177 removedPackage = ps.name; 7178 removedAppId = ps.appId; 7179 } 7180 } 7181 7182 if ((event&ADD_EVENTS) != 0) { 7183 if (p == null) { 7184 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7185 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7186 if (mIsRom) { 7187 flags |= PackageParser.PARSE_IS_SYSTEM 7188 | PackageParser.PARSE_IS_SYSTEM_DIR; 7189 if (mIsPrivileged) { 7190 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7191 } 7192 } 7193 p = scanPackageLI(fullPath, flags, 7194 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7195 System.currentTimeMillis(), UserHandle.ALL); 7196 if (p != null) { 7197 /* 7198 * TODO this seems dangerous as the package may have 7199 * changed since we last acquired the mPackages 7200 * lock. 7201 */ 7202 // writer 7203 synchronized (mPackages) { 7204 updatePermissionsLPw(p.packageName, p, 7205 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7206 } 7207 addedPackage = p.applicationInfo.packageName; 7208 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7209 } 7210 } 7211 } 7212 7213 // reader 7214 synchronized (mPackages) { 7215 mSettings.writeLPr(); 7216 } 7217 } 7218 7219 if (removedPackage != null) { 7220 Bundle extras = new Bundle(1); 7221 extras.putInt(Intent.EXTRA_UID, removedAppId); 7222 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7223 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7224 extras, null, null, removedUsers); 7225 } 7226 if (addedPackage != null) { 7227 Bundle extras = new Bundle(1); 7228 extras.putInt(Intent.EXTRA_UID, addedAppId); 7229 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7230 extras, null, null, addedUsers); 7231 } 7232 } 7233 7234 private final String mRootDir; 7235 private final boolean mIsRom; 7236 private final boolean mIsPrivileged; 7237 } 7238 7239 /* 7240 * The old-style observer methods all just trampoline to the newer signature with 7241 * expanded install observer API. The older API continues to work but does not 7242 * supply the additional details of the Observer2 API. 7243 */ 7244 7245 /* Called when a downloaded package installation has been confirmed by the user */ 7246 public void installPackage( 7247 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7248 installPackageEtc(packageURI, observer, null, flags, null); 7249 } 7250 7251 /* Called when a downloaded package installation has been confirmed by the user */ 7252 public void installPackage( 7253 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7254 final String installerPackageName) { 7255 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7256 installerPackageName, null, null, null); 7257 } 7258 7259 @Override 7260 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7261 int flags, String installerPackageName, Uri verificationURI, 7262 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7263 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7264 VerificationParams.NO_UID, manifestDigest); 7265 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7266 installerPackageName, verificationParams, encryptionParams); 7267 } 7268 7269 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7270 IPackageInstallObserver observer, int flags, String installerPackageName, 7271 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7272 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7273 installerPackageName, verificationParams, encryptionParams); 7274 } 7275 7276 /* 7277 * And here are the "live" versions that take both observer arguments 7278 */ 7279 public void installPackageEtc( 7280 final Uri packageURI, final IPackageInstallObserver observer, 7281 IPackageInstallObserver2 observer2, final int flags) { 7282 installPackageEtc(packageURI, observer, observer2, flags, null); 7283 } 7284 7285 public void installPackageEtc( 7286 final Uri packageURI, final IPackageInstallObserver observer, 7287 final IPackageInstallObserver2 observer2, final int flags, 7288 final String installerPackageName) { 7289 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7290 installerPackageName, null, null, null); 7291 } 7292 7293 @Override 7294 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7295 IPackageInstallObserver2 observer2, 7296 int flags, String installerPackageName, Uri verificationURI, 7297 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7298 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7299 VerificationParams.NO_UID, manifestDigest); 7300 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7301 installerPackageName, verificationParams, encryptionParams); 7302 } 7303 7304 /* 7305 * All of the installPackage...*() methods redirect to this one for the master implementation 7306 */ 7307 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7308 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7309 int flags, String installerPackageName, 7310 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7311 if (observer == null && observer2 == null) { 7312 throw new IllegalArgumentException("No install observer supplied"); 7313 } 7314 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7315 null); 7316 7317 final int uid = Binder.getCallingUid(); 7318 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7319 try { 7320 if (observer != null) { 7321 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7322 } 7323 if (observer2 != null) { 7324 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7325 } 7326 } catch (RemoteException re) { 7327 } 7328 return; 7329 } 7330 7331 UserHandle user; 7332 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7333 user = UserHandle.ALL; 7334 } else { 7335 user = new UserHandle(UserHandle.getUserId(uid)); 7336 } 7337 7338 final int filteredFlags; 7339 7340 if (uid == Process.SHELL_UID || uid == 0) { 7341 if (DEBUG_INSTALL) { 7342 Slog.v(TAG, "Install from ADB"); 7343 } 7344 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7345 } else { 7346 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7347 } 7348 7349 verificationParams.setInstallerUid(uid); 7350 7351 final Message msg = mHandler.obtainMessage(INIT_COPY); 7352 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7353 installerPackageName, verificationParams, encryptionParams, user); 7354 mHandler.sendMessage(msg); 7355 } 7356 7357 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7358 Bundle extras = new Bundle(1); 7359 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7360 7361 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7362 packageName, extras, null, null, new int[] {userId}); 7363 try { 7364 IActivityManager am = ActivityManagerNative.getDefault(); 7365 final boolean isSystem = 7366 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7367 if (isSystem && am.isUserRunning(userId, false)) { 7368 // The just-installed/enabled app is bundled on the system, so presumed 7369 // to be able to run automatically without needing an explicit launch. 7370 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7371 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7372 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7373 .setPackage(packageName); 7374 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7375 android.app.AppOpsManager.OP_NONE, false, false, userId); 7376 } 7377 } catch (RemoteException e) { 7378 // shouldn't happen 7379 Slog.w(TAG, "Unable to bootstrap installed package", e); 7380 } 7381 } 7382 7383 @Override 7384 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7385 int userId) { 7386 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7387 PackageSetting pkgSetting; 7388 final int uid = Binder.getCallingUid(); 7389 if (UserHandle.getUserId(uid) != userId) { 7390 mContext.enforceCallingOrSelfPermission( 7391 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7392 "setApplicationBlockedSetting for user " + userId); 7393 } 7394 7395 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7396 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7397 return false; 7398 } 7399 7400 long callingId = Binder.clearCallingIdentity(); 7401 try { 7402 boolean sendAdded = false; 7403 boolean sendRemoved = false; 7404 // writer 7405 synchronized (mPackages) { 7406 pkgSetting = mSettings.mPackages.get(packageName); 7407 if (pkgSetting == null) { 7408 return false; 7409 } 7410 if (pkgSetting.getBlocked(userId) != blocked) { 7411 pkgSetting.setBlocked(blocked, userId); 7412 mSettings.writePackageRestrictionsLPr(userId); 7413 if (blocked) { 7414 sendRemoved = true; 7415 } else { 7416 sendAdded = true; 7417 } 7418 } 7419 } 7420 if (sendAdded) { 7421 sendPackageAddedForUser(packageName, pkgSetting, userId); 7422 return true; 7423 } 7424 if (sendRemoved) { 7425 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7426 "blocking pkg"); 7427 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7428 } 7429 } finally { 7430 Binder.restoreCallingIdentity(callingId); 7431 } 7432 return false; 7433 } 7434 7435 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7436 int userId) { 7437 final PackageRemovedInfo info = new PackageRemovedInfo(); 7438 info.removedPackage = packageName; 7439 info.removedUsers = new int[] {userId}; 7440 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7441 info.sendBroadcast(false, false, false); 7442 } 7443 7444 /** 7445 * Returns true if application is not found or there was an error. Otherwise it returns 7446 * the blocked state of the package for the given user. 7447 */ 7448 @Override 7449 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7450 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7451 PackageSetting pkgSetting; 7452 final int uid = Binder.getCallingUid(); 7453 if (UserHandle.getUserId(uid) != userId) { 7454 mContext.enforceCallingPermission( 7455 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7456 "getApplicationBlocked for user " + userId); 7457 } 7458 long callingId = Binder.clearCallingIdentity(); 7459 try { 7460 // writer 7461 synchronized (mPackages) { 7462 pkgSetting = mSettings.mPackages.get(packageName); 7463 if (pkgSetting == null) { 7464 return true; 7465 } 7466 return pkgSetting.getBlocked(userId); 7467 } 7468 } finally { 7469 Binder.restoreCallingIdentity(callingId); 7470 } 7471 } 7472 7473 /** 7474 * @hide 7475 */ 7476 @Override 7477 public int installExistingPackageAsUser(String packageName, int userId) { 7478 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7479 null); 7480 PackageSetting pkgSetting; 7481 final int uid = Binder.getCallingUid(); 7482 if (UserHandle.getUserId(uid) != userId) { 7483 mContext.enforceCallingPermission( 7484 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7485 "installExistingPackage for user " + userId); 7486 } 7487 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7488 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7489 } 7490 7491 long callingId = Binder.clearCallingIdentity(); 7492 try { 7493 boolean sendAdded = false; 7494 Bundle extras = new Bundle(1); 7495 7496 // writer 7497 synchronized (mPackages) { 7498 pkgSetting = mSettings.mPackages.get(packageName); 7499 if (pkgSetting == null) { 7500 return PackageManager.INSTALL_FAILED_INVALID_URI; 7501 } 7502 if (!pkgSetting.getInstalled(userId)) { 7503 pkgSetting.setInstalled(true, userId); 7504 pkgSetting.setBlocked(false, userId); 7505 mSettings.writePackageRestrictionsLPr(userId); 7506 sendAdded = true; 7507 } 7508 } 7509 7510 if (sendAdded) { 7511 sendPackageAddedForUser(packageName, pkgSetting, userId); 7512 } 7513 } finally { 7514 Binder.restoreCallingIdentity(callingId); 7515 } 7516 7517 return PackageManager.INSTALL_SUCCEEDED; 7518 } 7519 7520 private boolean isUserRestricted(int userId, String restrictionKey) { 7521 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7522 if (restrictions.getBoolean(restrictionKey, false)) { 7523 Log.w(TAG, "User is restricted: " + restrictionKey); 7524 return true; 7525 } 7526 return false; 7527 } 7528 7529 @Override 7530 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7531 mContext.enforceCallingOrSelfPermission( 7532 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7533 "Only package verification agents can verify applications"); 7534 7535 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7536 final PackageVerificationResponse response = new PackageVerificationResponse( 7537 verificationCode, Binder.getCallingUid()); 7538 msg.arg1 = id; 7539 msg.obj = response; 7540 mHandler.sendMessage(msg); 7541 } 7542 7543 @Override 7544 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7545 long millisecondsToDelay) { 7546 mContext.enforceCallingOrSelfPermission( 7547 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7548 "Only package verification agents can extend verification timeouts"); 7549 7550 final PackageVerificationState state = mPendingVerification.get(id); 7551 final PackageVerificationResponse response = new PackageVerificationResponse( 7552 verificationCodeAtTimeout, Binder.getCallingUid()); 7553 7554 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7555 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7556 } 7557 if (millisecondsToDelay < 0) { 7558 millisecondsToDelay = 0; 7559 } 7560 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7561 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7562 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7563 } 7564 7565 if ((state != null) && !state.timeoutExtended()) { 7566 state.extendTimeout(); 7567 7568 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7569 msg.arg1 = id; 7570 msg.obj = response; 7571 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7572 } 7573 } 7574 7575 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7576 int verificationCode, UserHandle user) { 7577 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7578 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7579 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7580 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7581 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7582 7583 mContext.sendBroadcastAsUser(intent, user, 7584 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7585 } 7586 7587 private ComponentName matchComponentForVerifier(String packageName, 7588 List<ResolveInfo> receivers) { 7589 ActivityInfo targetReceiver = null; 7590 7591 final int NR = receivers.size(); 7592 for (int i = 0; i < NR; i++) { 7593 final ResolveInfo info = receivers.get(i); 7594 if (info.activityInfo == null) { 7595 continue; 7596 } 7597 7598 if (packageName.equals(info.activityInfo.packageName)) { 7599 targetReceiver = info.activityInfo; 7600 break; 7601 } 7602 } 7603 7604 if (targetReceiver == null) { 7605 return null; 7606 } 7607 7608 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7609 } 7610 7611 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7612 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7613 if (pkgInfo.verifiers.length == 0) { 7614 return null; 7615 } 7616 7617 final int N = pkgInfo.verifiers.length; 7618 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7619 for (int i = 0; i < N; i++) { 7620 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7621 7622 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7623 receivers); 7624 if (comp == null) { 7625 continue; 7626 } 7627 7628 final int verifierUid = getUidForVerifier(verifierInfo); 7629 if (verifierUid == -1) { 7630 continue; 7631 } 7632 7633 if (DEBUG_VERIFY) { 7634 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7635 + " with the correct signature"); 7636 } 7637 sufficientVerifiers.add(comp); 7638 verificationState.addSufficientVerifier(verifierUid); 7639 } 7640 7641 return sufficientVerifiers; 7642 } 7643 7644 private int getUidForVerifier(VerifierInfo verifierInfo) { 7645 synchronized (mPackages) { 7646 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7647 if (pkg == null) { 7648 return -1; 7649 } else if (pkg.mSignatures.length != 1) { 7650 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7651 + " has more than one signature; ignoring"); 7652 return -1; 7653 } 7654 7655 /* 7656 * If the public key of the package's signature does not match 7657 * our expected public key, then this is a different package and 7658 * we should skip. 7659 */ 7660 7661 final byte[] expectedPublicKey; 7662 try { 7663 final Signature verifierSig = pkg.mSignatures[0]; 7664 final PublicKey publicKey = verifierSig.getPublicKey(); 7665 expectedPublicKey = publicKey.getEncoded(); 7666 } catch (CertificateException e) { 7667 return -1; 7668 } 7669 7670 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7671 7672 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7673 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7674 + " does not have the expected public key; ignoring"); 7675 return -1; 7676 } 7677 7678 return pkg.applicationInfo.uid; 7679 } 7680 } 7681 7682 public void finishPackageInstall(int token) { 7683 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7684 7685 if (DEBUG_INSTALL) { 7686 Slog.v(TAG, "BM finishing package install for " + token); 7687 } 7688 7689 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7690 mHandler.sendMessage(msg); 7691 } 7692 7693 /** 7694 * Get the verification agent timeout. 7695 * 7696 * @return verification timeout in milliseconds 7697 */ 7698 private long getVerificationTimeout() { 7699 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7700 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7701 DEFAULT_VERIFICATION_TIMEOUT); 7702 } 7703 7704 /** 7705 * Get the default verification agent response code. 7706 * 7707 * @return default verification response code 7708 */ 7709 private int getDefaultVerificationResponse() { 7710 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7711 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7712 DEFAULT_VERIFICATION_RESPONSE); 7713 } 7714 7715 /** 7716 * Check whether or not package verification has been enabled. 7717 * 7718 * @return true if verification should be performed 7719 */ 7720 private boolean isVerificationEnabled(int flags) { 7721 if (!DEFAULT_VERIFY_ENABLE) { 7722 return false; 7723 } 7724 7725 // Check if installing from ADB 7726 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7727 // Do not run verification in a test harness environment 7728 if (ActivityManager.isRunningInTestHarness()) { 7729 return false; 7730 } 7731 // Check if the developer does not want package verification for ADB installs 7732 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7733 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7734 return false; 7735 } 7736 } 7737 7738 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7739 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7740 } 7741 7742 /** 7743 * Get the "allow unknown sources" setting. 7744 * 7745 * @return the current "allow unknown sources" setting 7746 */ 7747 private int getUnknownSourcesSettings() { 7748 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7749 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7750 -1); 7751 } 7752 7753 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7754 final int uid = Binder.getCallingUid(); 7755 // writer 7756 synchronized (mPackages) { 7757 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7758 if (targetPackageSetting == null) { 7759 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7760 } 7761 7762 PackageSetting installerPackageSetting; 7763 if (installerPackageName != null) { 7764 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7765 if (installerPackageSetting == null) { 7766 throw new IllegalArgumentException("Unknown installer package: " 7767 + installerPackageName); 7768 } 7769 } else { 7770 installerPackageSetting = null; 7771 } 7772 7773 Signature[] callerSignature; 7774 Object obj = mSettings.getUserIdLPr(uid); 7775 if (obj != null) { 7776 if (obj instanceof SharedUserSetting) { 7777 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7778 } else if (obj instanceof PackageSetting) { 7779 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7780 } else { 7781 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7782 } 7783 } else { 7784 throw new SecurityException("Unknown calling uid " + uid); 7785 } 7786 7787 // Verify: can't set installerPackageName to a package that is 7788 // not signed with the same cert as the caller. 7789 if (installerPackageSetting != null) { 7790 if (compareSignatures(callerSignature, 7791 installerPackageSetting.signatures.mSignatures) 7792 != PackageManager.SIGNATURE_MATCH) { 7793 throw new SecurityException( 7794 "Caller does not have same cert as new installer package " 7795 + installerPackageName); 7796 } 7797 } 7798 7799 // Verify: if target already has an installer package, it must 7800 // be signed with the same cert as the caller. 7801 if (targetPackageSetting.installerPackageName != null) { 7802 PackageSetting setting = mSettings.mPackages.get( 7803 targetPackageSetting.installerPackageName); 7804 // If the currently set package isn't valid, then it's always 7805 // okay to change it. 7806 if (setting != null) { 7807 if (compareSignatures(callerSignature, 7808 setting.signatures.mSignatures) 7809 != PackageManager.SIGNATURE_MATCH) { 7810 throw new SecurityException( 7811 "Caller does not have same cert as old installer package " 7812 + targetPackageSetting.installerPackageName); 7813 } 7814 } 7815 } 7816 7817 // Okay! 7818 targetPackageSetting.installerPackageName = installerPackageName; 7819 scheduleWriteSettingsLocked(); 7820 } 7821 } 7822 7823 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7824 // Queue up an async operation since the package installation may take a little while. 7825 mHandler.post(new Runnable() { 7826 public void run() { 7827 mHandler.removeCallbacks(this); 7828 // Result object to be returned 7829 PackageInstalledInfo res = new PackageInstalledInfo(); 7830 res.returnCode = currentStatus; 7831 res.uid = -1; 7832 res.pkg = null; 7833 res.removedInfo = new PackageRemovedInfo(); 7834 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7835 args.doPreInstall(res.returnCode); 7836 synchronized (mInstallLock) { 7837 installPackageLI(args, true, res); 7838 } 7839 args.doPostInstall(res.returnCode, res.uid); 7840 } 7841 7842 // A restore should be performed at this point if (a) the install 7843 // succeeded, (b) the operation is not an update, and (c) the new 7844 // package has a backupAgent defined. 7845 final boolean update = res.removedInfo.removedPackage != null; 7846 boolean doRestore = (!update 7847 && res.pkg != null 7848 && res.pkg.applicationInfo.backupAgentName != null); 7849 7850 // Set up the post-install work request bookkeeping. This will be used 7851 // and cleaned up by the post-install event handling regardless of whether 7852 // there's a restore pass performed. Token values are >= 1. 7853 int token; 7854 if (mNextInstallToken < 0) mNextInstallToken = 1; 7855 token = mNextInstallToken++; 7856 7857 PostInstallData data = new PostInstallData(args, res); 7858 mRunningInstalls.put(token, data); 7859 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7860 7861 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7862 // Pass responsibility to the Backup Manager. It will perform a 7863 // restore if appropriate, then pass responsibility back to the 7864 // Package Manager to run the post-install observer callbacks 7865 // and broadcasts. 7866 IBackupManager bm = IBackupManager.Stub.asInterface( 7867 ServiceManager.getService(Context.BACKUP_SERVICE)); 7868 if (bm != null) { 7869 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7870 + " to BM for possible restore"); 7871 try { 7872 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7873 } catch (RemoteException e) { 7874 // can't happen; the backup manager is local 7875 } catch (Exception e) { 7876 Slog.e(TAG, "Exception trying to enqueue restore", e); 7877 doRestore = false; 7878 } 7879 } else { 7880 Slog.e(TAG, "Backup Manager not found!"); 7881 doRestore = false; 7882 } 7883 } 7884 7885 if (!doRestore) { 7886 // No restore possible, or the Backup Manager was mysteriously not 7887 // available -- just fire the post-install work request directly. 7888 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7889 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7890 mHandler.sendMessage(msg); 7891 } 7892 } 7893 }); 7894 } 7895 7896 private abstract class HandlerParams { 7897 private static final int MAX_RETRIES = 4; 7898 7899 /** 7900 * Number of times startCopy() has been attempted and had a non-fatal 7901 * error. 7902 */ 7903 private int mRetries = 0; 7904 7905 /** User handle for the user requesting the information or installation. */ 7906 private final UserHandle mUser; 7907 7908 HandlerParams(UserHandle user) { 7909 mUser = user; 7910 } 7911 7912 UserHandle getUser() { 7913 return mUser; 7914 } 7915 7916 final boolean startCopy() { 7917 boolean res; 7918 try { 7919 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7920 7921 if (++mRetries > MAX_RETRIES) { 7922 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7923 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7924 handleServiceError(); 7925 return false; 7926 } else { 7927 handleStartCopy(); 7928 res = true; 7929 } 7930 } catch (RemoteException e) { 7931 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7932 mHandler.sendEmptyMessage(MCS_RECONNECT); 7933 res = false; 7934 } 7935 handleReturnCode(); 7936 return res; 7937 } 7938 7939 final void serviceError() { 7940 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7941 handleServiceError(); 7942 handleReturnCode(); 7943 } 7944 7945 abstract void handleStartCopy() throws RemoteException; 7946 abstract void handleServiceError(); 7947 abstract void handleReturnCode(); 7948 } 7949 7950 class MeasureParams extends HandlerParams { 7951 private final PackageStats mStats; 7952 private boolean mSuccess; 7953 7954 private final IPackageStatsObserver mObserver; 7955 7956 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7957 super(new UserHandle(stats.userHandle)); 7958 mObserver = observer; 7959 mStats = stats; 7960 } 7961 7962 @Override 7963 public String toString() { 7964 return "MeasureParams{" 7965 + Integer.toHexString(System.identityHashCode(this)) 7966 + " " + mStats.packageName + "}"; 7967 } 7968 7969 @Override 7970 void handleStartCopy() throws RemoteException { 7971 synchronized (mInstallLock) { 7972 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7973 } 7974 7975 if (mSuccess) { 7976 final boolean mounted; 7977 if (Environment.isExternalStorageEmulated()) { 7978 mounted = true; 7979 } else { 7980 final String status = Environment.getExternalStorageState(); 7981 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7982 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7983 } 7984 7985 if (mounted) { 7986 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7987 7988 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7989 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7990 7991 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7992 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7993 7994 // Always subtract cache size, since it's a subdirectory 7995 mStats.externalDataSize -= mStats.externalCacheSize; 7996 7997 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7998 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7999 8000 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8001 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8002 } 8003 } 8004 } 8005 8006 @Override 8007 void handleReturnCode() { 8008 if (mObserver != null) { 8009 try { 8010 mObserver.onGetStatsCompleted(mStats, mSuccess); 8011 } catch (RemoteException e) { 8012 Slog.i(TAG, "Observer no longer exists."); 8013 } 8014 } 8015 } 8016 8017 @Override 8018 void handleServiceError() { 8019 Slog.e(TAG, "Could not measure application " + mStats.packageName 8020 + " external storage"); 8021 } 8022 } 8023 8024 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8025 throws RemoteException { 8026 long result = 0; 8027 for (File path : paths) { 8028 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8029 } 8030 return result; 8031 } 8032 8033 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8034 for (File path : paths) { 8035 try { 8036 mcs.clearDirectory(path.getAbsolutePath()); 8037 } catch (RemoteException e) { 8038 } 8039 } 8040 } 8041 8042 class InstallParams extends HandlerParams { 8043 final IPackageInstallObserver observer; 8044 final IPackageInstallObserver2 observer2; 8045 int flags; 8046 8047 private final Uri mPackageURI; 8048 final String installerPackageName; 8049 final VerificationParams verificationParams; 8050 private InstallArgs mArgs; 8051 private int mRet; 8052 private File mTempPackage; 8053 final ContainerEncryptionParams encryptionParams; 8054 8055 InstallParams(Uri packageURI, 8056 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8057 int flags, String installerPackageName, VerificationParams verificationParams, 8058 ContainerEncryptionParams encryptionParams, UserHandle user) { 8059 super(user); 8060 this.mPackageURI = packageURI; 8061 this.flags = flags; 8062 this.observer = observer; 8063 this.observer2 = observer2; 8064 this.installerPackageName = installerPackageName; 8065 this.verificationParams = verificationParams; 8066 this.encryptionParams = encryptionParams; 8067 } 8068 8069 @Override 8070 public String toString() { 8071 return "InstallParams{" 8072 + Integer.toHexString(System.identityHashCode(this)) 8073 + " " + mPackageURI + "}"; 8074 } 8075 8076 public ManifestDigest getManifestDigest() { 8077 if (verificationParams == null) { 8078 return null; 8079 } 8080 return verificationParams.getManifestDigest(); 8081 } 8082 8083 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8084 String packageName = pkgLite.packageName; 8085 int installLocation = pkgLite.installLocation; 8086 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8087 // reader 8088 synchronized (mPackages) { 8089 PackageParser.Package pkg = mPackages.get(packageName); 8090 if (pkg != null) { 8091 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8092 // Check for downgrading. 8093 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8094 if (pkgLite.versionCode < pkg.mVersionCode) { 8095 Slog.w(TAG, "Can't install update of " + packageName 8096 + " update version " + pkgLite.versionCode 8097 + " is older than installed version " 8098 + pkg.mVersionCode); 8099 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8100 } 8101 } 8102 // Check for updated system application. 8103 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8104 if (onSd) { 8105 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8106 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8107 } 8108 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8109 } else { 8110 if (onSd) { 8111 // Install flag overrides everything. 8112 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8113 } 8114 // If current upgrade specifies particular preference 8115 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8116 // Application explicitly specified internal. 8117 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8118 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8119 // App explictly prefers external. Let policy decide 8120 } else { 8121 // Prefer previous location 8122 if (isExternal(pkg)) { 8123 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8124 } 8125 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8126 } 8127 } 8128 } else { 8129 // Invalid install. Return error code 8130 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8131 } 8132 } 8133 } 8134 // All the special cases have been taken care of. 8135 // Return result based on recommended install location. 8136 if (onSd) { 8137 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8138 } 8139 return pkgLite.recommendedInstallLocation; 8140 } 8141 8142 private long getMemoryLowThreshold() { 8143 final DeviceStorageMonitorInternal 8144 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8145 if (dsm == null) { 8146 return 0L; 8147 } 8148 return dsm.getMemoryLowThreshold(); 8149 } 8150 8151 /* 8152 * Invoke remote method to get package information and install 8153 * location values. Override install location based on default 8154 * policy if needed and then create install arguments based 8155 * on the install location. 8156 */ 8157 public void handleStartCopy() throws RemoteException { 8158 int ret = PackageManager.INSTALL_SUCCEEDED; 8159 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8160 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8161 PackageInfoLite pkgLite = null; 8162 8163 if (onInt && onSd) { 8164 // Check if both bits are set. 8165 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8166 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8167 } else { 8168 final long lowThreshold = getMemoryLowThreshold(); 8169 if (lowThreshold == 0L) { 8170 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8171 } 8172 8173 try { 8174 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8175 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8176 8177 final File packageFile; 8178 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8179 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8180 if (mTempPackage != null) { 8181 ParcelFileDescriptor out; 8182 try { 8183 out = ParcelFileDescriptor.open(mTempPackage, 8184 ParcelFileDescriptor.MODE_READ_WRITE); 8185 } catch (FileNotFoundException e) { 8186 out = null; 8187 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8188 } 8189 8190 // Make a temporary file for decryption. 8191 ret = mContainerService 8192 .copyResource(mPackageURI, encryptionParams, out); 8193 IoUtils.closeQuietly(out); 8194 8195 packageFile = mTempPackage; 8196 8197 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8198 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8199 | FileUtils.S_IROTH, 8200 -1, -1); 8201 } else { 8202 packageFile = null; 8203 } 8204 } else { 8205 packageFile = new File(mPackageURI.getPath()); 8206 } 8207 8208 if (packageFile != null) { 8209 // Remote call to find out default install location 8210 final String packageFilePath = packageFile.getAbsolutePath(); 8211 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8212 lowThreshold); 8213 8214 /* 8215 * If we have too little free space, try to free cache 8216 * before giving up. 8217 */ 8218 if (pkgLite.recommendedInstallLocation 8219 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8220 final long size = mContainerService.calculateInstalledSize( 8221 packageFilePath, isForwardLocked()); 8222 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8223 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8224 flags, lowThreshold); 8225 } 8226 /* 8227 * The cache free must have deleted the file we 8228 * downloaded to install. 8229 * 8230 * TODO: fix the "freeCache" call to not delete 8231 * the file we care about. 8232 */ 8233 if (pkgLite.recommendedInstallLocation 8234 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8235 pkgLite.recommendedInstallLocation 8236 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8237 } 8238 } 8239 } 8240 } finally { 8241 mContext.revokeUriPermission(mPackageURI, 8242 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8243 } 8244 } 8245 8246 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8247 int loc = pkgLite.recommendedInstallLocation; 8248 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8249 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8250 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8251 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8252 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8253 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8254 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8255 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8256 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8257 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8258 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8259 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8260 } else { 8261 // Override with defaults if needed. 8262 loc = installLocationPolicy(pkgLite, flags); 8263 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8264 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8265 } else if (!onSd && !onInt) { 8266 // Override install location with flags 8267 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8268 // Set the flag to install on external media. 8269 flags |= PackageManager.INSTALL_EXTERNAL; 8270 flags &= ~PackageManager.INSTALL_INTERNAL; 8271 } else { 8272 // Make sure the flag for installing on external 8273 // media is unset 8274 flags |= PackageManager.INSTALL_INTERNAL; 8275 flags &= ~PackageManager.INSTALL_EXTERNAL; 8276 } 8277 } 8278 } 8279 } 8280 8281 final InstallArgs args = createInstallArgs(this); 8282 mArgs = args; 8283 8284 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8285 /* 8286 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8287 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8288 */ 8289 int userIdentifier = getUser().getIdentifier(); 8290 if (userIdentifier == UserHandle.USER_ALL 8291 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8292 userIdentifier = UserHandle.USER_OWNER; 8293 } 8294 8295 /* 8296 * Determine if we have any installed package verifiers. If we 8297 * do, then we'll defer to them to verify the packages. 8298 */ 8299 final int requiredUid = mRequiredVerifierPackage == null ? -1 8300 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8301 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8302 final Intent verification = new Intent( 8303 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8304 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8305 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8306 8307 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8308 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8309 0 /* TODO: Which userId? */); 8310 8311 if (DEBUG_VERIFY) { 8312 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8313 + verification.toString() + " with " + pkgLite.verifiers.length 8314 + " optional verifiers"); 8315 } 8316 8317 final int verificationId = mPendingVerificationToken++; 8318 8319 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8320 8321 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8322 installerPackageName); 8323 8324 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8325 8326 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8327 pkgLite.packageName); 8328 8329 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8330 pkgLite.versionCode); 8331 8332 if (verificationParams != null) { 8333 if (verificationParams.getVerificationURI() != null) { 8334 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8335 verificationParams.getVerificationURI()); 8336 } 8337 if (verificationParams.getOriginatingURI() != null) { 8338 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8339 verificationParams.getOriginatingURI()); 8340 } 8341 if (verificationParams.getReferrer() != null) { 8342 verification.putExtra(Intent.EXTRA_REFERRER, 8343 verificationParams.getReferrer()); 8344 } 8345 if (verificationParams.getOriginatingUid() >= 0) { 8346 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8347 verificationParams.getOriginatingUid()); 8348 } 8349 if (verificationParams.getInstallerUid() >= 0) { 8350 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8351 verificationParams.getInstallerUid()); 8352 } 8353 } 8354 8355 final PackageVerificationState verificationState = new PackageVerificationState( 8356 requiredUid, args); 8357 8358 mPendingVerification.append(verificationId, verificationState); 8359 8360 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8361 receivers, verificationState); 8362 8363 /* 8364 * If any sufficient verifiers were listed in the package 8365 * manifest, attempt to ask them. 8366 */ 8367 if (sufficientVerifiers != null) { 8368 final int N = sufficientVerifiers.size(); 8369 if (N == 0) { 8370 Slog.i(TAG, "Additional verifiers required, but none installed."); 8371 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8372 } else { 8373 for (int i = 0; i < N; i++) { 8374 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8375 8376 final Intent sufficientIntent = new Intent(verification); 8377 sufficientIntent.setComponent(verifierComponent); 8378 8379 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8380 } 8381 } 8382 } 8383 8384 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8385 mRequiredVerifierPackage, receivers); 8386 if (ret == PackageManager.INSTALL_SUCCEEDED 8387 && mRequiredVerifierPackage != null) { 8388 /* 8389 * Send the intent to the required verification agent, 8390 * but only start the verification timeout after the 8391 * target BroadcastReceivers have run. 8392 */ 8393 verification.setComponent(requiredVerifierComponent); 8394 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8395 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8396 new BroadcastReceiver() { 8397 @Override 8398 public void onReceive(Context context, Intent intent) { 8399 final Message msg = mHandler 8400 .obtainMessage(CHECK_PENDING_VERIFICATION); 8401 msg.arg1 = verificationId; 8402 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8403 } 8404 }, null, 0, null, null); 8405 8406 /* 8407 * We don't want the copy to proceed until verification 8408 * succeeds, so null out this field. 8409 */ 8410 mArgs = null; 8411 } 8412 } else { 8413 /* 8414 * No package verification is enabled, so immediately start 8415 * the remote call to initiate copy using temporary file. 8416 */ 8417 ret = args.copyApk(mContainerService, true); 8418 } 8419 } 8420 8421 mRet = ret; 8422 } 8423 8424 @Override 8425 void handleReturnCode() { 8426 // If mArgs is null, then MCS couldn't be reached. When it 8427 // reconnects, it will try again to install. At that point, this 8428 // will succeed. 8429 if (mArgs != null) { 8430 processPendingInstall(mArgs, mRet); 8431 8432 if (mTempPackage != null) { 8433 if (!mTempPackage.delete()) { 8434 Slog.w(TAG, "Couldn't delete temporary file: " + 8435 mTempPackage.getAbsolutePath()); 8436 } 8437 } 8438 } 8439 } 8440 8441 @Override 8442 void handleServiceError() { 8443 mArgs = createInstallArgs(this); 8444 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8445 } 8446 8447 public boolean isForwardLocked() { 8448 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8449 } 8450 8451 public Uri getPackageUri() { 8452 if (mTempPackage != null) { 8453 return Uri.fromFile(mTempPackage); 8454 } else { 8455 return mPackageURI; 8456 } 8457 } 8458 } 8459 8460 /* 8461 * Utility class used in movePackage api. 8462 * srcArgs and targetArgs are not set for invalid flags and make 8463 * sure to do null checks when invoking methods on them. 8464 * We probably want to return ErrorPrams for both failed installs 8465 * and moves. 8466 */ 8467 class MoveParams extends HandlerParams { 8468 final IPackageMoveObserver observer; 8469 final int flags; 8470 final String packageName; 8471 final InstallArgs srcArgs; 8472 final InstallArgs targetArgs; 8473 int uid; 8474 int mRet; 8475 8476 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8477 String packageName, String dataDir, String instructionSet, 8478 int uid, UserHandle user) { 8479 super(user); 8480 this.srcArgs = srcArgs; 8481 this.observer = observer; 8482 this.flags = flags; 8483 this.packageName = packageName; 8484 this.uid = uid; 8485 if (srcArgs != null) { 8486 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8487 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8488 } else { 8489 targetArgs = null; 8490 } 8491 } 8492 8493 @Override 8494 public String toString() { 8495 return "MoveParams{" 8496 + Integer.toHexString(System.identityHashCode(this)) 8497 + " " + packageName + "}"; 8498 } 8499 8500 public void handleStartCopy() throws RemoteException { 8501 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8502 // Check for storage space on target medium 8503 if (!targetArgs.checkFreeStorage(mContainerService)) { 8504 Log.w(TAG, "Insufficient storage to install"); 8505 return; 8506 } 8507 8508 mRet = srcArgs.doPreCopy(); 8509 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8510 return; 8511 } 8512 8513 mRet = targetArgs.copyApk(mContainerService, false); 8514 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8515 srcArgs.doPostCopy(uid); 8516 return; 8517 } 8518 8519 mRet = srcArgs.doPostCopy(uid); 8520 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8521 return; 8522 } 8523 8524 mRet = targetArgs.doPreInstall(mRet); 8525 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8526 return; 8527 } 8528 8529 if (DEBUG_SD_INSTALL) { 8530 StringBuilder builder = new StringBuilder(); 8531 if (srcArgs != null) { 8532 builder.append("src: "); 8533 builder.append(srcArgs.getCodePath()); 8534 } 8535 if (targetArgs != null) { 8536 builder.append(" target : "); 8537 builder.append(targetArgs.getCodePath()); 8538 } 8539 Log.i(TAG, builder.toString()); 8540 } 8541 } 8542 8543 @Override 8544 void handleReturnCode() { 8545 targetArgs.doPostInstall(mRet, uid); 8546 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8547 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8548 currentStatus = PackageManager.MOVE_SUCCEEDED; 8549 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8550 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8551 } 8552 processPendingMove(this, currentStatus); 8553 } 8554 8555 @Override 8556 void handleServiceError() { 8557 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8558 } 8559 } 8560 8561 /** 8562 * Used during creation of InstallArgs 8563 * 8564 * @param flags package installation flags 8565 * @return true if should be installed on external storage 8566 */ 8567 private static boolean installOnSd(int flags) { 8568 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8569 return false; 8570 } 8571 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8572 return true; 8573 } 8574 return false; 8575 } 8576 8577 /** 8578 * Used during creation of InstallArgs 8579 * 8580 * @param flags package installation flags 8581 * @return true if should be installed as forward locked 8582 */ 8583 private static boolean installForwardLocked(int flags) { 8584 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8585 } 8586 8587 private InstallArgs createInstallArgs(InstallParams params) { 8588 if (installOnSd(params.flags) || params.isForwardLocked()) { 8589 return new AsecInstallArgs(params); 8590 } else { 8591 return new FileInstallArgs(params); 8592 } 8593 } 8594 8595 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8596 String nativeLibraryPath, String instructionSet) { 8597 final boolean isInAsec; 8598 if (installOnSd(flags)) { 8599 /* Apps on SD card are always in ASEC containers. */ 8600 isInAsec = true; 8601 } else if (installForwardLocked(flags) 8602 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8603 /* 8604 * Forward-locked apps are only in ASEC containers if they're the 8605 * new style 8606 */ 8607 isInAsec = true; 8608 } else { 8609 isInAsec = false; 8610 } 8611 8612 if (isInAsec) { 8613 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8614 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8615 } else { 8616 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8617 instructionSet); 8618 } 8619 } 8620 8621 // Used by package mover 8622 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8623 String instructionSet) { 8624 if (installOnSd(flags) || installForwardLocked(flags)) { 8625 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8626 + AsecInstallArgs.RES_FILE_NAME); 8627 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8628 installForwardLocked(flags)); 8629 } else { 8630 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8631 } 8632 } 8633 8634 static abstract class InstallArgs { 8635 final IPackageInstallObserver observer; 8636 final IPackageInstallObserver2 observer2; 8637 // Always refers to PackageManager flags only 8638 final int flags; 8639 final Uri packageURI; 8640 final String installerPackageName; 8641 final ManifestDigest manifestDigest; 8642 final UserHandle user; 8643 final String instructionSet; 8644 8645 InstallArgs(Uri packageURI, 8646 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8647 int flags, String installerPackageName, ManifestDigest manifestDigest, 8648 UserHandle user, String instructionSet) { 8649 this.packageURI = packageURI; 8650 this.flags = flags; 8651 this.observer = observer; 8652 this.observer2 = observer2; 8653 this.installerPackageName = installerPackageName; 8654 this.manifestDigest = manifestDigest; 8655 this.user = user; 8656 this.instructionSet = instructionSet; 8657 } 8658 8659 abstract void createCopyFile(); 8660 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8661 abstract int doPreInstall(int status); 8662 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8663 8664 abstract int doPostInstall(int status, int uid); 8665 abstract String getCodePath(); 8666 abstract String getResourcePath(); 8667 abstract String getNativeLibraryPath(); 8668 // Need installer lock especially for dex file removal. 8669 abstract void cleanUpResourcesLI(); 8670 abstract boolean doPostDeleteLI(boolean delete); 8671 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8672 8673 /** 8674 * Called before the source arguments are copied. This is used mostly 8675 * for MoveParams when it needs to read the source file to put it in the 8676 * destination. 8677 */ 8678 int doPreCopy() { 8679 return PackageManager.INSTALL_SUCCEEDED; 8680 } 8681 8682 /** 8683 * Called after the source arguments are copied. This is used mostly for 8684 * MoveParams when it needs to read the source file to put it in the 8685 * destination. 8686 * 8687 * @return 8688 */ 8689 int doPostCopy(int uid) { 8690 return PackageManager.INSTALL_SUCCEEDED; 8691 } 8692 8693 protected boolean isFwdLocked() { 8694 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8695 } 8696 8697 UserHandle getUser() { 8698 return user; 8699 } 8700 } 8701 8702 class FileInstallArgs extends InstallArgs { 8703 File installDir; 8704 String codeFileName; 8705 String resourceFileName; 8706 String libraryPath; 8707 boolean created = false; 8708 8709 FileInstallArgs(InstallParams params) { 8710 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 8711 params.installerPackageName, params.getManifestDigest(), 8712 params.getUser(), null /* instruction set */); 8713 } 8714 8715 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8716 String instructionSet) { 8717 super(null, null, null, 0, null, null, null, instructionSet); 8718 File codeFile = new File(fullCodePath); 8719 installDir = codeFile.getParentFile(); 8720 codeFileName = fullCodePath; 8721 resourceFileName = fullResourcePath; 8722 libraryPath = nativeLibraryPath; 8723 } 8724 8725 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 8726 super(packageURI, null, null, 0, null, null, null, instructionSet); 8727 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8728 String apkName = getNextCodePath(null, pkgName, ".apk"); 8729 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8730 resourceFileName = getResourcePathFromCodePath(); 8731 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8732 } 8733 8734 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8735 final long lowThreshold; 8736 8737 final DeviceStorageMonitorInternal 8738 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8739 if (dsm == null) { 8740 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8741 lowThreshold = 0L; 8742 } else { 8743 if (dsm.isMemoryLow()) { 8744 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8745 return false; 8746 } 8747 8748 lowThreshold = dsm.getMemoryLowThreshold(); 8749 } 8750 8751 try { 8752 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8753 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8754 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8755 } finally { 8756 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8757 } 8758 } 8759 8760 String getCodePath() { 8761 return codeFileName; 8762 } 8763 8764 void createCopyFile() { 8765 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8766 codeFileName = createTempPackageFile(installDir).getPath(); 8767 resourceFileName = getResourcePathFromCodePath(); 8768 libraryPath = getLibraryPathFromCodePath(); 8769 created = true; 8770 } 8771 8772 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8773 if (temp) { 8774 // Generate temp file name 8775 createCopyFile(); 8776 } 8777 // Get a ParcelFileDescriptor to write to the output file 8778 File codeFile = new File(codeFileName); 8779 if (!created) { 8780 try { 8781 codeFile.createNewFile(); 8782 // Set permissions 8783 if (!setPermissions()) { 8784 // Failed setting permissions. 8785 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8786 } 8787 } catch (IOException e) { 8788 Slog.w(TAG, "Failed to create file " + codeFile); 8789 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8790 } 8791 } 8792 ParcelFileDescriptor out = null; 8793 try { 8794 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8795 } catch (FileNotFoundException e) { 8796 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8797 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8798 } 8799 // Copy the resource now 8800 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8801 try { 8802 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8803 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8804 ret = imcs.copyResource(packageURI, null, out); 8805 } finally { 8806 IoUtils.closeQuietly(out); 8807 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8808 } 8809 8810 if (isFwdLocked()) { 8811 final File destResourceFile = new File(getResourcePath()); 8812 8813 // Copy the public files 8814 try { 8815 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8816 } catch (IOException e) { 8817 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8818 + " forward-locked app."); 8819 destResourceFile.delete(); 8820 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8821 } 8822 } 8823 8824 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8825 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8826 if (nativeLibraryFile.exists()) { 8827 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8828 nativeLibraryFile.delete(); 8829 } 8830 try { 8831 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8832 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8833 return copyRet; 8834 } 8835 } catch (IOException e) { 8836 Slog.e(TAG, "Copying native libraries failed", e); 8837 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8838 } 8839 8840 return ret; 8841 } 8842 8843 int doPreInstall(int status) { 8844 if (status != PackageManager.INSTALL_SUCCEEDED) { 8845 cleanUp(); 8846 } 8847 return status; 8848 } 8849 8850 boolean doRename(int status, final String pkgName, String oldCodePath) { 8851 if (status != PackageManager.INSTALL_SUCCEEDED) { 8852 cleanUp(); 8853 return false; 8854 } else { 8855 final File oldCodeFile = new File(getCodePath()); 8856 final File oldResourceFile = new File(getResourcePath()); 8857 final File oldLibraryFile = new File(getNativeLibraryPath()); 8858 8859 // Rename APK file based on packageName 8860 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8861 final File newCodeFile = new File(installDir, apkName + ".apk"); 8862 if (!oldCodeFile.renameTo(newCodeFile)) { 8863 return false; 8864 } 8865 codeFileName = newCodeFile.getPath(); 8866 8867 // Rename public resource file if it's forward-locked. 8868 final File newResFile = new File(getResourcePathFromCodePath()); 8869 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8870 return false; 8871 } 8872 resourceFileName = newResFile.getPath(); 8873 8874 // Rename library path 8875 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8876 if (newLibraryFile.exists()) { 8877 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8878 newLibraryFile.delete(); 8879 } 8880 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8881 Slog.e(TAG, "Cannot rename native library directory " 8882 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8883 return false; 8884 } 8885 libraryPath = newLibraryFile.getPath(); 8886 8887 // Attempt to set permissions 8888 if (!setPermissions()) { 8889 return false; 8890 } 8891 8892 if (!SELinux.restorecon(newCodeFile)) { 8893 return false; 8894 } 8895 8896 return true; 8897 } 8898 } 8899 8900 int doPostInstall(int status, int uid) { 8901 if (status != PackageManager.INSTALL_SUCCEEDED) { 8902 cleanUp(); 8903 } 8904 return status; 8905 } 8906 8907 String getResourcePath() { 8908 return resourceFileName; 8909 } 8910 8911 private String getResourcePathFromCodePath() { 8912 final String codePath = getCodePath(); 8913 if (isFwdLocked()) { 8914 final StringBuilder sb = new StringBuilder(); 8915 8916 sb.append(mAppInstallDir.getPath()); 8917 sb.append('/'); 8918 sb.append(getApkName(codePath)); 8919 sb.append(".zip"); 8920 8921 /* 8922 * If our APK is a temporary file, mark the resource as a 8923 * temporary file as well so it can be cleaned up after 8924 * catastrophic failure. 8925 */ 8926 if (codePath.endsWith(".tmp")) { 8927 sb.append(".tmp"); 8928 } 8929 8930 return sb.toString(); 8931 } else { 8932 return codePath; 8933 } 8934 } 8935 8936 private String getLibraryPathFromCodePath() { 8937 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8938 } 8939 8940 @Override 8941 String getNativeLibraryPath() { 8942 if (libraryPath == null) { 8943 libraryPath = getLibraryPathFromCodePath(); 8944 } 8945 return libraryPath; 8946 } 8947 8948 private boolean cleanUp() { 8949 boolean ret = true; 8950 String sourceDir = getCodePath(); 8951 String publicSourceDir = getResourcePath(); 8952 if (sourceDir != null) { 8953 File sourceFile = new File(sourceDir); 8954 if (!sourceFile.exists()) { 8955 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8956 ret = false; 8957 } 8958 // Delete application's code and resources 8959 sourceFile.delete(); 8960 } 8961 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8962 final File publicSourceFile = new File(publicSourceDir); 8963 if (!publicSourceFile.exists()) { 8964 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8965 } 8966 if (publicSourceFile.exists()) { 8967 publicSourceFile.delete(); 8968 } 8969 } 8970 8971 if (libraryPath != null) { 8972 File nativeLibraryFile = new File(libraryPath); 8973 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8974 if (!nativeLibraryFile.delete()) { 8975 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8976 } 8977 } 8978 8979 return ret; 8980 } 8981 8982 void cleanUpResourcesLI() { 8983 String sourceDir = getCodePath(); 8984 if (cleanUp()) { 8985 if (instructionSet == null) { 8986 throw new IllegalStateException("instructionSet == null"); 8987 } 8988 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 8989 if (retCode < 0) { 8990 Slog.w(TAG, "Couldn't remove dex file for package: " 8991 + " at location " 8992 + sourceDir + ", retcode=" + retCode); 8993 // we don't consider this to be a failure of the core package deletion 8994 } 8995 } 8996 } 8997 8998 private boolean setPermissions() { 8999 // TODO Do this in a more elegant way later on. for now just a hack 9000 if (!isFwdLocked()) { 9001 final int filePermissions = 9002 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9003 |FileUtils.S_IROTH; 9004 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9005 if (retCode != 0) { 9006 Slog.e(TAG, "Couldn't set new package file permissions for " + 9007 getCodePath() 9008 + ". The return code was: " + retCode); 9009 // TODO Define new internal error 9010 return false; 9011 } 9012 return true; 9013 } 9014 return true; 9015 } 9016 9017 boolean doPostDeleteLI(boolean delete) { 9018 // XXX err, shouldn't we respect the delete flag? 9019 cleanUpResourcesLI(); 9020 return true; 9021 } 9022 } 9023 9024 private boolean isAsecExternal(String cid) { 9025 final String asecPath = PackageHelper.getSdFilesystem(cid); 9026 return !asecPath.startsWith(mAsecInternalPath); 9027 } 9028 9029 /** 9030 * Extract the MountService "container ID" from the full code path of an 9031 * .apk. 9032 */ 9033 static String cidFromCodePath(String fullCodePath) { 9034 int eidx = fullCodePath.lastIndexOf("/"); 9035 String subStr1 = fullCodePath.substring(0, eidx); 9036 int sidx = subStr1.lastIndexOf("/"); 9037 return subStr1.substring(sidx+1, eidx); 9038 } 9039 9040 class AsecInstallArgs extends InstallArgs { 9041 static final String RES_FILE_NAME = "pkg.apk"; 9042 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9043 9044 String cid; 9045 String packagePath; 9046 String resourcePath; 9047 String libraryPath; 9048 9049 AsecInstallArgs(InstallParams params) { 9050 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9051 params.installerPackageName, params.getManifestDigest(), 9052 params.getUser(), null /* instruction set */); 9053 } 9054 9055 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9056 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9057 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9058 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9059 null, null, null, instructionSet); 9060 // Extract cid from fullCodePath 9061 int eidx = fullCodePath.lastIndexOf("/"); 9062 String subStr1 = fullCodePath.substring(0, eidx); 9063 int sidx = subStr1.lastIndexOf("/"); 9064 cid = subStr1.substring(sidx+1, eidx); 9065 setCachePath(subStr1); 9066 } 9067 9068 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9069 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9070 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9071 null, null, null, instructionSet); 9072 this.cid = cid; 9073 setCachePath(PackageHelper.getSdDir(cid)); 9074 } 9075 9076 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9077 boolean isExternal, boolean isForwardLocked) { 9078 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9079 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9080 null, null, null, instructionSet); 9081 this.cid = cid; 9082 } 9083 9084 void createCopyFile() { 9085 cid = getTempContainerId(); 9086 } 9087 9088 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9089 try { 9090 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9091 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9092 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 9093 } finally { 9094 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9095 } 9096 } 9097 9098 private final boolean isExternal() { 9099 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9100 } 9101 9102 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9103 if (temp) { 9104 createCopyFile(); 9105 } else { 9106 /* 9107 * Pre-emptively destroy the container since it's destroyed if 9108 * copying fails due to it existing anyway. 9109 */ 9110 PackageHelper.destroySdDir(cid); 9111 } 9112 9113 final String newCachePath; 9114 try { 9115 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9116 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9117 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9118 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 9119 } finally { 9120 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9121 } 9122 9123 if (newCachePath != null) { 9124 setCachePath(newCachePath); 9125 return PackageManager.INSTALL_SUCCEEDED; 9126 } else { 9127 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9128 } 9129 } 9130 9131 @Override 9132 String getCodePath() { 9133 return packagePath; 9134 } 9135 9136 @Override 9137 String getResourcePath() { 9138 return resourcePath; 9139 } 9140 9141 @Override 9142 String getNativeLibraryPath() { 9143 return libraryPath; 9144 } 9145 9146 int doPreInstall(int status) { 9147 if (status != PackageManager.INSTALL_SUCCEEDED) { 9148 // Destroy container 9149 PackageHelper.destroySdDir(cid); 9150 } else { 9151 boolean mounted = PackageHelper.isContainerMounted(cid); 9152 if (!mounted) { 9153 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9154 Process.SYSTEM_UID); 9155 if (newCachePath != null) { 9156 setCachePath(newCachePath); 9157 } else { 9158 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9159 } 9160 } 9161 } 9162 return status; 9163 } 9164 9165 boolean doRename(int status, final String pkgName, 9166 String oldCodePath) { 9167 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9168 String newCachePath = null; 9169 if (PackageHelper.isContainerMounted(cid)) { 9170 // Unmount the container 9171 if (!PackageHelper.unMountSdDir(cid)) { 9172 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9173 return false; 9174 } 9175 } 9176 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9177 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9178 " which might be stale. Will try to clean up."); 9179 // Clean up the stale container and proceed to recreate. 9180 if (!PackageHelper.destroySdDir(newCacheId)) { 9181 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9182 return false; 9183 } 9184 // Successfully cleaned up stale container. Try to rename again. 9185 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9186 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9187 + " inspite of cleaning it up."); 9188 return false; 9189 } 9190 } 9191 if (!PackageHelper.isContainerMounted(newCacheId)) { 9192 Slog.w(TAG, "Mounting container " + newCacheId); 9193 newCachePath = PackageHelper.mountSdDir(newCacheId, 9194 getEncryptKey(), Process.SYSTEM_UID); 9195 } else { 9196 newCachePath = PackageHelper.getSdDir(newCacheId); 9197 } 9198 if (newCachePath == null) { 9199 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9200 return false; 9201 } 9202 Log.i(TAG, "Succesfully renamed " + cid + 9203 " to " + newCacheId + 9204 " at new path: " + newCachePath); 9205 cid = newCacheId; 9206 setCachePath(newCachePath); 9207 return true; 9208 } 9209 9210 private void setCachePath(String newCachePath) { 9211 File cachePath = new File(newCachePath); 9212 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9213 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9214 9215 if (isFwdLocked()) { 9216 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9217 } else { 9218 resourcePath = packagePath; 9219 } 9220 } 9221 9222 int doPostInstall(int status, int uid) { 9223 if (status != PackageManager.INSTALL_SUCCEEDED) { 9224 cleanUp(); 9225 } else { 9226 final int groupOwner; 9227 final String protectedFile; 9228 if (isFwdLocked()) { 9229 groupOwner = UserHandle.getSharedAppGid(uid); 9230 protectedFile = RES_FILE_NAME; 9231 } else { 9232 groupOwner = -1; 9233 protectedFile = null; 9234 } 9235 9236 if (uid < Process.FIRST_APPLICATION_UID 9237 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9238 Slog.e(TAG, "Failed to finalize " + cid); 9239 PackageHelper.destroySdDir(cid); 9240 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9241 } 9242 9243 boolean mounted = PackageHelper.isContainerMounted(cid); 9244 if (!mounted) { 9245 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9246 } 9247 } 9248 return status; 9249 } 9250 9251 private void cleanUp() { 9252 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9253 9254 // Destroy secure container 9255 PackageHelper.destroySdDir(cid); 9256 } 9257 9258 void cleanUpResourcesLI() { 9259 String sourceFile = getCodePath(); 9260 // Remove dex file 9261 if (instructionSet == null) { 9262 throw new IllegalStateException("instructionSet == null"); 9263 } 9264 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9265 if (retCode < 0) { 9266 Slog.w(TAG, "Couldn't remove dex file for package: " 9267 + " at location " 9268 + sourceFile.toString() + ", retcode=" + retCode); 9269 // we don't consider this to be a failure of the core package deletion 9270 } 9271 cleanUp(); 9272 } 9273 9274 boolean matchContainer(String app) { 9275 if (cid.startsWith(app)) { 9276 return true; 9277 } 9278 return false; 9279 } 9280 9281 String getPackageName() { 9282 return getAsecPackageName(cid); 9283 } 9284 9285 boolean doPostDeleteLI(boolean delete) { 9286 boolean ret = false; 9287 boolean mounted = PackageHelper.isContainerMounted(cid); 9288 if (mounted) { 9289 // Unmount first 9290 ret = PackageHelper.unMountSdDir(cid); 9291 } 9292 if (ret && delete) { 9293 cleanUpResourcesLI(); 9294 } 9295 return ret; 9296 } 9297 9298 @Override 9299 int doPreCopy() { 9300 if (isFwdLocked()) { 9301 if (!PackageHelper.fixSdPermissions(cid, 9302 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9303 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9304 } 9305 } 9306 9307 return PackageManager.INSTALL_SUCCEEDED; 9308 } 9309 9310 @Override 9311 int doPostCopy(int uid) { 9312 if (isFwdLocked()) { 9313 if (uid < Process.FIRST_APPLICATION_UID 9314 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9315 RES_FILE_NAME)) { 9316 Slog.e(TAG, "Failed to finalize " + cid); 9317 PackageHelper.destroySdDir(cid); 9318 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9319 } 9320 } 9321 9322 return PackageManager.INSTALL_SUCCEEDED; 9323 } 9324 }; 9325 9326 static String getAsecPackageName(String packageCid) { 9327 int idx = packageCid.lastIndexOf("-"); 9328 if (idx == -1) { 9329 return packageCid; 9330 } 9331 return packageCid.substring(0, idx); 9332 } 9333 9334 // Utility method used to create code paths based on package name and available index. 9335 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9336 String idxStr = ""; 9337 int idx = 1; 9338 // Fall back to default value of idx=1 if prefix is not 9339 // part of oldCodePath 9340 if (oldCodePath != null) { 9341 String subStr = oldCodePath; 9342 // Drop the suffix right away 9343 if (subStr.endsWith(suffix)) { 9344 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9345 } 9346 // If oldCodePath already contains prefix find out the 9347 // ending index to either increment or decrement. 9348 int sidx = subStr.lastIndexOf(prefix); 9349 if (sidx != -1) { 9350 subStr = subStr.substring(sidx + prefix.length()); 9351 if (subStr != null) { 9352 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9353 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9354 } 9355 try { 9356 idx = Integer.parseInt(subStr); 9357 if (idx <= 1) { 9358 idx++; 9359 } else { 9360 idx--; 9361 } 9362 } catch(NumberFormatException e) { 9363 } 9364 } 9365 } 9366 } 9367 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9368 return prefix + idxStr; 9369 } 9370 9371 // Utility method used to ignore ADD/REMOVE events 9372 // by directory observer. 9373 private static boolean ignoreCodePath(String fullPathStr) { 9374 String apkName = getApkName(fullPathStr); 9375 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9376 if (idx != -1 && ((idx+1) < apkName.length())) { 9377 // Make sure the package ends with a numeral 9378 String version = apkName.substring(idx+1); 9379 try { 9380 Integer.parseInt(version); 9381 return true; 9382 } catch (NumberFormatException e) {} 9383 } 9384 return false; 9385 } 9386 9387 // Utility method that returns the relative package path with respect 9388 // to the installation directory. Like say for /data/data/com.test-1.apk 9389 // string com.test-1 is returned. 9390 static String getApkName(String codePath) { 9391 if (codePath == null) { 9392 return null; 9393 } 9394 int sidx = codePath.lastIndexOf("/"); 9395 int eidx = codePath.lastIndexOf("."); 9396 if (eidx == -1) { 9397 eidx = codePath.length(); 9398 } else if (eidx == 0) { 9399 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9400 return null; 9401 } 9402 return codePath.substring(sidx+1, eidx); 9403 } 9404 9405 class PackageInstalledInfo { 9406 String name; 9407 int uid; 9408 // The set of users that originally had this package installed. 9409 int[] origUsers; 9410 // The set of users that now have this package installed. 9411 int[] newUsers; 9412 PackageParser.Package pkg; 9413 int returnCode; 9414 PackageRemovedInfo removedInfo; 9415 9416 // In some error cases we want to convey more info back to the observer 9417 String origPackage; 9418 String origPermission; 9419 } 9420 9421 /* 9422 * Install a non-existing package. 9423 */ 9424 private void installNewPackageLI(PackageParser.Package pkg, 9425 int parseFlags, int scanMode, UserHandle user, 9426 String installerPackageName, PackageInstalledInfo res) { 9427 // Remember this for later, in case we need to rollback this install 9428 String pkgName = pkg.packageName; 9429 9430 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9431 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9432 synchronized(mPackages) { 9433 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9434 // A package with the same name is already installed, though 9435 // it has been renamed to an older name. The package we 9436 // are trying to install should be installed as an update to 9437 // the existing one, but that has not been requested, so bail. 9438 Slog.w(TAG, "Attempt to re-install " + pkgName 9439 + " without first uninstalling package running as " 9440 + mSettings.mRenamedPackages.get(pkgName)); 9441 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9442 return; 9443 } 9444 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9445 // Don't allow installation over an existing package with the same name. 9446 Slog.w(TAG, "Attempt to re-install " + pkgName 9447 + " without first uninstalling."); 9448 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9449 return; 9450 } 9451 } 9452 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9453 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9454 System.currentTimeMillis(), user); 9455 if (newPackage == null) { 9456 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9457 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9458 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9459 } 9460 } else { 9461 updateSettingsLI(newPackage, 9462 installerPackageName, 9463 null, null, 9464 res); 9465 // delete the partially installed application. the data directory will have to be 9466 // restored if it was already existing 9467 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9468 // remove package from internal structures. Note that we want deletePackageX to 9469 // delete the package data and cache directories that it created in 9470 // scanPackageLocked, unless those directories existed before we even tried to 9471 // install. 9472 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9473 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9474 res.removedInfo, true); 9475 } 9476 } 9477 } 9478 9479 private void replacePackageLI(PackageParser.Package pkg, 9480 int parseFlags, int scanMode, UserHandle user, 9481 String installerPackageName, PackageInstalledInfo res) { 9482 9483 PackageParser.Package oldPackage; 9484 String pkgName = pkg.packageName; 9485 int[] allUsers; 9486 boolean[] perUserInstalled; 9487 9488 // First find the old package info and check signatures 9489 synchronized(mPackages) { 9490 oldPackage = mPackages.get(pkgName); 9491 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9492 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9493 != PackageManager.SIGNATURE_MATCH) { 9494 Slog.w(TAG, "New package has a different signature: " + pkgName); 9495 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9496 return; 9497 } 9498 9499 // In case of rollback, remember per-user/profile install state 9500 PackageSetting ps = mSettings.mPackages.get(pkgName); 9501 allUsers = sUserManager.getUserIds(); 9502 perUserInstalled = new boolean[allUsers.length]; 9503 for (int i = 0; i < allUsers.length; i++) { 9504 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9505 } 9506 } 9507 boolean sysPkg = (isSystemApp(oldPackage)); 9508 if (sysPkg) { 9509 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9510 user, allUsers, perUserInstalled, installerPackageName, res); 9511 } else { 9512 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9513 user, allUsers, perUserInstalled, installerPackageName, res); 9514 } 9515 } 9516 9517 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9518 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9519 int[] allUsers, boolean[] perUserInstalled, 9520 String installerPackageName, PackageInstalledInfo res) { 9521 PackageParser.Package newPackage = null; 9522 String pkgName = deletedPackage.packageName; 9523 boolean deletedPkg = true; 9524 boolean updatedSettings = false; 9525 9526 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9527 + deletedPackage); 9528 long origUpdateTime; 9529 if (pkg.mExtras != null) { 9530 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9531 } else { 9532 origUpdateTime = 0; 9533 } 9534 9535 // First delete the existing package while retaining the data directory 9536 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9537 res.removedInfo, true)) { 9538 // If the existing package wasn't successfully deleted 9539 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9540 deletedPkg = false; 9541 } else { 9542 // Successfully deleted the old package. Now proceed with re-installation 9543 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9544 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9545 System.currentTimeMillis(), user); 9546 if (newPackage == null) { 9547 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9548 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9549 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9550 } 9551 } else { 9552 updateSettingsLI(newPackage, 9553 installerPackageName, 9554 allUsers, perUserInstalled, 9555 res); 9556 updatedSettings = true; 9557 } 9558 } 9559 9560 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9561 // remove package from internal structures. Note that we want deletePackageX to 9562 // delete the package data and cache directories that it created in 9563 // scanPackageLocked, unless those directories existed before we even tried to 9564 // install. 9565 if(updatedSettings) { 9566 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9567 deletePackageLI( 9568 pkgName, null, true, allUsers, perUserInstalled, 9569 PackageManager.DELETE_KEEP_DATA, 9570 res.removedInfo, true); 9571 } 9572 // Since we failed to install the new package we need to restore the old 9573 // package that we deleted. 9574 if(deletedPkg) { 9575 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9576 File restoreFile = new File(deletedPackage.mPath); 9577 // Parse old package 9578 boolean oldOnSd = isExternal(deletedPackage); 9579 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9580 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9581 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9582 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9583 | SCAN_UPDATE_TIME; 9584 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9585 origUpdateTime, null) == null) { 9586 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9587 return; 9588 } 9589 // Restore of old package succeeded. Update permissions. 9590 // writer 9591 synchronized (mPackages) { 9592 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9593 UPDATE_PERMISSIONS_ALL); 9594 // can downgrade to reader 9595 mSettings.writeLPr(); 9596 } 9597 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9598 } 9599 } 9600 } 9601 9602 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9603 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9604 int[] allUsers, boolean[] perUserInstalled, 9605 String installerPackageName, PackageInstalledInfo res) { 9606 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9607 + ", old=" + deletedPackage); 9608 PackageParser.Package newPackage = null; 9609 boolean updatedSettings = false; 9610 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9611 PackageParser.PARSE_IS_SYSTEM; 9612 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9613 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9614 } 9615 String packageName = deletedPackage.packageName; 9616 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9617 if (packageName == null) { 9618 Slog.w(TAG, "Attempt to delete null packageName."); 9619 return; 9620 } 9621 PackageParser.Package oldPkg; 9622 PackageSetting oldPkgSetting; 9623 // reader 9624 synchronized (mPackages) { 9625 oldPkg = mPackages.get(packageName); 9626 oldPkgSetting = mSettings.mPackages.get(packageName); 9627 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9628 (oldPkgSetting == null)) { 9629 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9630 return; 9631 } 9632 } 9633 9634 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9635 9636 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9637 res.removedInfo.removedPackage = packageName; 9638 // Remove existing system package 9639 removePackageLI(oldPkgSetting, true); 9640 // writer 9641 synchronized (mPackages) { 9642 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9643 // We didn't need to disable the .apk as a current system package, 9644 // which means we are replacing another update that is already 9645 // installed. We need to make sure to delete the older one's .apk. 9646 res.removedInfo.args = createInstallArgs(0, 9647 deletedPackage.applicationInfo.sourceDir, 9648 deletedPackage.applicationInfo.publicSourceDir, 9649 deletedPackage.applicationInfo.nativeLibraryDir, 9650 getAppInstructionSet(deletedPackage.applicationInfo)); 9651 } else { 9652 res.removedInfo.args = null; 9653 } 9654 } 9655 9656 // Successfully disabled the old package. Now proceed with re-installation 9657 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9658 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9659 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9660 if (newPackage == null) { 9661 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9662 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9663 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9664 } 9665 } else { 9666 if (newPackage.mExtras != null) { 9667 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9668 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9669 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9670 9671 // is the update attempting to change shared user? that isn't going to work... 9672 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 9673 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 9674 + " to " + newPkgSetting.sharedUser); 9675 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 9676 updatedSettings = true; 9677 } 9678 } 9679 9680 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 9681 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9682 updatedSettings = true; 9683 } 9684 } 9685 9686 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9687 // Re installation failed. Restore old information 9688 // Remove new pkg information 9689 if (newPackage != null) { 9690 removeInstalledPackageLI(newPackage, true); 9691 } 9692 // Add back the old system package 9693 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9694 // Restore the old system information in Settings 9695 synchronized(mPackages) { 9696 if (updatedSettings) { 9697 mSettings.enableSystemPackageLPw(packageName); 9698 mSettings.setInstallerPackageName(packageName, 9699 oldPkgSetting.installerPackageName); 9700 } 9701 mSettings.writeLPr(); 9702 } 9703 } 9704 } 9705 9706 // Utility method used to move dex files during install. 9707 private int moveDexFilesLI(PackageParser.Package newPackage) { 9708 int retCode; 9709 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9710 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath, 9711 getAppInstructionSet(newPackage.applicationInfo)); 9712 if (retCode != 0) { 9713 if (mNoDexOpt) { 9714 /* 9715 * If we're in an engineering build, programs are lazily run 9716 * through dexopt. If the .dex file doesn't exist yet, it 9717 * will be created when the program is run next. 9718 */ 9719 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 9720 } else { 9721 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 9722 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9723 } 9724 } 9725 } 9726 return PackageManager.INSTALL_SUCCEEDED; 9727 } 9728 9729 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9730 int[] allUsers, boolean[] perUserInstalled, 9731 PackageInstalledInfo res) { 9732 String pkgName = newPackage.packageName; 9733 synchronized (mPackages) { 9734 //write settings. the installStatus will be incomplete at this stage. 9735 //note that the new package setting would have already been 9736 //added to mPackages. It hasn't been persisted yet. 9737 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9738 mSettings.writeLPr(); 9739 } 9740 9741 if ((res.returnCode = moveDexFilesLI(newPackage)) 9742 != PackageManager.INSTALL_SUCCEEDED) { 9743 // Discontinue if moving dex files failed. 9744 return; 9745 } 9746 9747 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9748 9749 synchronized (mPackages) { 9750 updatePermissionsLPw(newPackage.packageName, newPackage, 9751 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9752 ? UPDATE_PERMISSIONS_ALL : 0)); 9753 // For system-bundled packages, we assume that installing an upgraded version 9754 // of the package implies that the user actually wants to run that new code, 9755 // so we enable the package. 9756 if (isSystemApp(newPackage)) { 9757 // NB: implicit assumption that system package upgrades apply to all users 9758 if (DEBUG_INSTALL) { 9759 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9760 } 9761 PackageSetting ps = mSettings.mPackages.get(pkgName); 9762 if (ps != null) { 9763 if (res.origUsers != null) { 9764 for (int userHandle : res.origUsers) { 9765 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9766 userHandle, installerPackageName); 9767 } 9768 } 9769 // Also convey the prior install/uninstall state 9770 if (allUsers != null && perUserInstalled != null) { 9771 for (int i = 0; i < allUsers.length; i++) { 9772 if (DEBUG_INSTALL) { 9773 Slog.d(TAG, " user " + allUsers[i] 9774 + " => " + perUserInstalled[i]); 9775 } 9776 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9777 } 9778 // these install state changes will be persisted in the 9779 // upcoming call to mSettings.writeLPr(). 9780 } 9781 } 9782 } 9783 res.name = pkgName; 9784 res.uid = newPackage.applicationInfo.uid; 9785 res.pkg = newPackage; 9786 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9787 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9788 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9789 //to update install status 9790 mSettings.writeLPr(); 9791 } 9792 } 9793 9794 private void installPackageLI(InstallArgs args, 9795 boolean newInstall, PackageInstalledInfo res) { 9796 int pFlags = args.flags; 9797 String installerPackageName = args.installerPackageName; 9798 File tmpPackageFile = new File(args.getCodePath()); 9799 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9800 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9801 boolean replace = false; 9802 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9803 | (newInstall ? SCAN_NEW_INSTALL : 0); 9804 // Result object to be returned 9805 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9806 9807 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9808 // Retrieve PackageSettings and parse package 9809 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9810 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9811 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9812 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9813 pp.setSeparateProcesses(mSeparateProcesses); 9814 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9815 null, mMetrics, parseFlags); 9816 if (pkg == null) { 9817 res.returnCode = pp.getParseError(); 9818 return; 9819 } 9820 String pkgName = res.name = pkg.packageName; 9821 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9822 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9823 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9824 return; 9825 } 9826 } 9827 if (!pp.collectCertificates(pkg, parseFlags)) { 9828 res.returnCode = pp.getParseError(); 9829 return; 9830 } 9831 9832 /* If the installer passed in a manifest digest, compare it now. */ 9833 if (args.manifestDigest != null) { 9834 if (DEBUG_INSTALL) { 9835 final String parsedManifest = pkg.manifestDigest == null ? "null" 9836 : pkg.manifestDigest.toString(); 9837 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9838 + parsedManifest); 9839 } 9840 9841 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9842 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9843 return; 9844 } 9845 } else if (DEBUG_INSTALL) { 9846 final String parsedManifest = pkg.manifestDigest == null 9847 ? "null" : pkg.manifestDigest.toString(); 9848 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9849 } 9850 9851 // Get rid of all references to package scan path via parser. 9852 pp = null; 9853 String oldCodePath = null; 9854 boolean systemApp = false; 9855 synchronized (mPackages) { 9856 // Check whether the newly-scanned package wants to define an already-defined perm 9857 int N = pkg.permissions.size(); 9858 for (int i = 0; i < N; i++) { 9859 PackageParser.Permission perm = pkg.permissions.get(i); 9860 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 9861 if (bp != null) { 9862 // If the defining package is signed with our cert, it's okay. This 9863 // also includes the "updating the same package" case, of course. 9864 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 9865 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9866 Slog.w(TAG, "Package " + pkg.packageName 9867 + " attempting to redeclare permission " + perm.info.name 9868 + " already owned by " + bp.sourcePackage); 9869 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 9870 res.origPermission = perm.info.name; 9871 res.origPackage = bp.sourcePackage; 9872 return; 9873 } 9874 } 9875 } 9876 9877 // Check if installing already existing package 9878 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9879 String oldName = mSettings.mRenamedPackages.get(pkgName); 9880 if (pkg.mOriginalPackages != null 9881 && pkg.mOriginalPackages.contains(oldName) 9882 && mPackages.containsKey(oldName)) { 9883 // This package is derived from an original package, 9884 // and this device has been updating from that original 9885 // name. We must continue using the original name, so 9886 // rename the new package here. 9887 pkg.setPackageName(oldName); 9888 pkgName = pkg.packageName; 9889 replace = true; 9890 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9891 + oldName + " pkgName=" + pkgName); 9892 } else if (mPackages.containsKey(pkgName)) { 9893 // This package, under its official name, already exists 9894 // on the device; we should replace it. 9895 replace = true; 9896 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9897 } 9898 } 9899 PackageSetting ps = mSettings.mPackages.get(pkgName); 9900 if (ps != null) { 9901 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9902 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9903 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9904 systemApp = (ps.pkg.applicationInfo.flags & 9905 ApplicationInfo.FLAG_SYSTEM) != 0; 9906 } 9907 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9908 } 9909 } 9910 9911 if (systemApp && onSd) { 9912 // Disable updates to system apps on sdcard 9913 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9914 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9915 return; 9916 } 9917 9918 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9919 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9920 return; 9921 } 9922 // Set application objects path explicitly after the rename 9923 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9924 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9925 if (replace) { 9926 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9927 installerPackageName, res); 9928 } else { 9929 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9930 installerPackageName, res); 9931 } 9932 synchronized (mPackages) { 9933 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9934 if (ps != null) { 9935 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9936 } 9937 } 9938 } 9939 9940 private static boolean isForwardLocked(PackageParser.Package pkg) { 9941 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9942 } 9943 9944 9945 private boolean isForwardLocked(PackageSetting ps) { 9946 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9947 } 9948 9949 private static boolean isExternal(PackageParser.Package pkg) { 9950 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9951 } 9952 9953 private static boolean isExternal(PackageSetting ps) { 9954 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9955 } 9956 9957 private static boolean isSystemApp(PackageParser.Package pkg) { 9958 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9959 } 9960 9961 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9962 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9963 } 9964 9965 private static boolean isSystemApp(ApplicationInfo info) { 9966 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9967 } 9968 9969 private static boolean isSystemApp(PackageSetting ps) { 9970 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9971 } 9972 9973 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9974 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9975 } 9976 9977 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9978 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9979 } 9980 9981 private int packageFlagsToInstallFlags(PackageSetting ps) { 9982 int installFlags = 0; 9983 if (isExternal(ps)) { 9984 installFlags |= PackageManager.INSTALL_EXTERNAL; 9985 } 9986 if (isForwardLocked(ps)) { 9987 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9988 } 9989 return installFlags; 9990 } 9991 9992 private void deleteTempPackageFiles() { 9993 final FilenameFilter filter = new FilenameFilter() { 9994 public boolean accept(File dir, String name) { 9995 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9996 } 9997 }; 9998 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9999 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10000 } 10001 10002 private static final void deleteTempPackageFilesInDirectory(File directory, 10003 FilenameFilter filter) { 10004 final String[] tmpFilesList = directory.list(filter); 10005 if (tmpFilesList == null) { 10006 return; 10007 } 10008 for (int i = 0; i < tmpFilesList.length; i++) { 10009 final File tmpFile = new File(directory, tmpFilesList[i]); 10010 tmpFile.delete(); 10011 } 10012 } 10013 10014 private File createTempPackageFile(File installDir) { 10015 File tmpPackageFile; 10016 try { 10017 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10018 } catch (IOException e) { 10019 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10020 return null; 10021 } 10022 try { 10023 FileUtils.setPermissions( 10024 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10025 -1, -1); 10026 if (!SELinux.restorecon(tmpPackageFile)) { 10027 return null; 10028 } 10029 } catch (IOException e) { 10030 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10031 return null; 10032 } 10033 return tmpPackageFile; 10034 } 10035 10036 @Override 10037 public void deletePackageAsUser(final String packageName, 10038 final IPackageDeleteObserver observer, 10039 final int userId, final int flags) { 10040 mContext.enforceCallingOrSelfPermission( 10041 android.Manifest.permission.DELETE_PACKAGES, null); 10042 final int uid = Binder.getCallingUid(); 10043 if (UserHandle.getUserId(uid) != userId) { 10044 mContext.enforceCallingPermission( 10045 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10046 "deletePackage for user " + userId); 10047 } 10048 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10049 try { 10050 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10051 } catch (RemoteException re) { 10052 } 10053 return; 10054 } 10055 10056 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10057 // Queue up an async operation since the package deletion may take a little while. 10058 mHandler.post(new Runnable() { 10059 public void run() { 10060 mHandler.removeCallbacks(this); 10061 final int returnCode = deletePackageX(packageName, userId, flags); 10062 if (observer != null) { 10063 try { 10064 observer.packageDeleted(packageName, returnCode); 10065 } catch (RemoteException e) { 10066 Log.i(TAG, "Observer no longer exists."); 10067 } //end catch 10068 } //end if 10069 } //end run 10070 }); 10071 } 10072 10073 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10074 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10075 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10076 try { 10077 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10078 || dpm.isDeviceOwner(packageName))) { 10079 return true; 10080 } 10081 } catch (RemoteException e) { 10082 } 10083 return false; 10084 } 10085 10086 /** 10087 * This method is an internal method that could be get invoked either 10088 * to delete an installed package or to clean up a failed installation. 10089 * After deleting an installed package, a broadcast is sent to notify any 10090 * listeners that the package has been installed. For cleaning up a failed 10091 * installation, the broadcast is not necessary since the package's 10092 * installation wouldn't have sent the initial broadcast either 10093 * The key steps in deleting a package are 10094 * deleting the package information in internal structures like mPackages, 10095 * deleting the packages base directories through installd 10096 * updating mSettings to reflect current status 10097 * persisting settings for later use 10098 * sending a broadcast if necessary 10099 */ 10100 private int deletePackageX(String packageName, int userId, int flags) { 10101 final PackageRemovedInfo info = new PackageRemovedInfo(); 10102 final boolean res; 10103 10104 if (isPackageDeviceAdmin(packageName, userId)) { 10105 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10106 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10107 } 10108 10109 boolean removedForAllUsers = false; 10110 boolean systemUpdate = false; 10111 10112 // for the uninstall-updates case and restricted profiles, remember the per- 10113 // userhandle installed state 10114 int[] allUsers; 10115 boolean[] perUserInstalled; 10116 synchronized (mPackages) { 10117 PackageSetting ps = mSettings.mPackages.get(packageName); 10118 allUsers = sUserManager.getUserIds(); 10119 perUserInstalled = new boolean[allUsers.length]; 10120 for (int i = 0; i < allUsers.length; i++) { 10121 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10122 } 10123 } 10124 10125 synchronized (mInstallLock) { 10126 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10127 res = deletePackageLI(packageName, 10128 (flags & PackageManager.DELETE_ALL_USERS) != 0 10129 ? UserHandle.ALL : new UserHandle(userId), 10130 true, allUsers, perUserInstalled, 10131 flags | REMOVE_CHATTY, info, true); 10132 systemUpdate = info.isRemovedPackageSystemUpdate; 10133 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10134 removedForAllUsers = true; 10135 } 10136 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10137 + " removedForAllUsers=" + removedForAllUsers); 10138 } 10139 10140 if (res) { 10141 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10142 10143 // If the removed package was a system update, the old system package 10144 // was re-enabled; we need to broadcast this information 10145 if (systemUpdate) { 10146 Bundle extras = new Bundle(1); 10147 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10148 ? info.removedAppId : info.uid); 10149 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10150 10151 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10152 extras, null, null, null); 10153 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10154 extras, null, null, null); 10155 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10156 null, packageName, null, null); 10157 } 10158 } 10159 // Force a gc here. 10160 Runtime.getRuntime().gc(); 10161 // Delete the resources here after sending the broadcast to let 10162 // other processes clean up before deleting resources. 10163 if (info.args != null) { 10164 synchronized (mInstallLock) { 10165 info.args.doPostDeleteLI(true); 10166 } 10167 } 10168 10169 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10170 } 10171 10172 static class PackageRemovedInfo { 10173 String removedPackage; 10174 int uid = -1; 10175 int removedAppId = -1; 10176 int[] removedUsers = null; 10177 boolean isRemovedPackageSystemUpdate = false; 10178 // Clean up resources deleted packages. 10179 InstallArgs args = null; 10180 10181 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10182 Bundle extras = new Bundle(1); 10183 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10184 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10185 if (replacing) { 10186 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10187 } 10188 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10189 if (removedPackage != null) { 10190 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10191 extras, null, null, removedUsers); 10192 if (fullRemove && !replacing) { 10193 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10194 extras, null, null, removedUsers); 10195 } 10196 } 10197 if (removedAppId >= 0) { 10198 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10199 removedUsers); 10200 } 10201 } 10202 } 10203 10204 /* 10205 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10206 * flag is not set, the data directory is removed as well. 10207 * make sure this flag is set for partially installed apps. If not its meaningless to 10208 * delete a partially installed application. 10209 */ 10210 private void removePackageDataLI(PackageSetting ps, 10211 int[] allUserHandles, boolean[] perUserInstalled, 10212 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10213 String packageName = ps.name; 10214 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10215 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10216 // Retrieve object to delete permissions for shared user later on 10217 final PackageSetting deletedPs; 10218 // reader 10219 synchronized (mPackages) { 10220 deletedPs = mSettings.mPackages.get(packageName); 10221 if (outInfo != null) { 10222 outInfo.removedPackage = packageName; 10223 outInfo.removedUsers = deletedPs != null 10224 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10225 : null; 10226 } 10227 } 10228 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10229 removeDataDirsLI(packageName); 10230 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10231 } 10232 // writer 10233 synchronized (mPackages) { 10234 if (deletedPs != null) { 10235 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10236 if (outInfo != null) { 10237 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10238 } 10239 if (deletedPs != null) { 10240 updatePermissionsLPw(deletedPs.name, null, 0); 10241 if (deletedPs.sharedUser != null) { 10242 // remove permissions associated with package 10243 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10244 } 10245 } 10246 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10247 } 10248 // make sure to preserve per-user disabled state if this removal was just 10249 // a downgrade of a system app to the factory package 10250 if (allUserHandles != null && perUserInstalled != null) { 10251 if (DEBUG_REMOVE) { 10252 Slog.d(TAG, "Propagating install state across downgrade"); 10253 } 10254 for (int i = 0; i < allUserHandles.length; i++) { 10255 if (DEBUG_REMOVE) { 10256 Slog.d(TAG, " user " + allUserHandles[i] 10257 + " => " + perUserInstalled[i]); 10258 } 10259 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10260 } 10261 } 10262 } 10263 // can downgrade to reader 10264 if (writeSettings) { 10265 // Save settings now 10266 mSettings.writeLPr(); 10267 } 10268 } 10269 if (outInfo != null) { 10270 // A user ID was deleted here. Go through all users and remove it 10271 // from KeyStore. 10272 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10273 } 10274 } 10275 10276 static boolean locationIsPrivileged(File path) { 10277 try { 10278 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10279 .getCanonicalPath(); 10280 return path.getCanonicalPath().startsWith(privilegedAppDir); 10281 } catch (IOException e) { 10282 Slog.e(TAG, "Unable to access code path " + path); 10283 } 10284 return false; 10285 } 10286 10287 /* 10288 * Tries to delete system package. 10289 */ 10290 private boolean deleteSystemPackageLI(PackageSetting newPs, 10291 int[] allUserHandles, boolean[] perUserInstalled, 10292 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10293 final boolean applyUserRestrictions 10294 = (allUserHandles != null) && (perUserInstalled != null); 10295 PackageSetting disabledPs = null; 10296 // Confirm if the system package has been updated 10297 // An updated system app can be deleted. This will also have to restore 10298 // the system pkg from system partition 10299 // reader 10300 synchronized (mPackages) { 10301 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10302 } 10303 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10304 + " disabledPs=" + disabledPs); 10305 if (disabledPs == null) { 10306 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10307 return false; 10308 } else if (DEBUG_REMOVE) { 10309 Slog.d(TAG, "Deleting system pkg from data partition"); 10310 } 10311 if (DEBUG_REMOVE) { 10312 if (applyUserRestrictions) { 10313 Slog.d(TAG, "Remembering install states:"); 10314 for (int i = 0; i < allUserHandles.length; i++) { 10315 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10316 } 10317 } 10318 } 10319 // Delete the updated package 10320 outInfo.isRemovedPackageSystemUpdate = true; 10321 if (disabledPs.versionCode < newPs.versionCode) { 10322 // Delete data for downgrades 10323 flags &= ~PackageManager.DELETE_KEEP_DATA; 10324 } else { 10325 // Preserve data by setting flag 10326 flags |= PackageManager.DELETE_KEEP_DATA; 10327 } 10328 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10329 allUserHandles, perUserInstalled, outInfo, writeSettings); 10330 if (!ret) { 10331 return false; 10332 } 10333 // writer 10334 synchronized (mPackages) { 10335 // Reinstate the old system package 10336 mSettings.enableSystemPackageLPw(newPs.name); 10337 // Remove any native libraries from the upgraded package. 10338 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10339 } 10340 // Install the system package 10341 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10342 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10343 if (locationIsPrivileged(disabledPs.codePath)) { 10344 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10345 } 10346 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10347 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 10348 10349 if (newPkg == null) { 10350 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10351 + " with error:" + mLastScanError); 10352 return false; 10353 } 10354 // writer 10355 synchronized (mPackages) { 10356 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10357 setInternalAppNativeLibraryPath(newPkg, ps); 10358 updatePermissionsLPw(newPkg.packageName, newPkg, 10359 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10360 if (applyUserRestrictions) { 10361 if (DEBUG_REMOVE) { 10362 Slog.d(TAG, "Propagating install state across reinstall"); 10363 } 10364 for (int i = 0; i < allUserHandles.length; i++) { 10365 if (DEBUG_REMOVE) { 10366 Slog.d(TAG, " user " + allUserHandles[i] 10367 + " => " + perUserInstalled[i]); 10368 } 10369 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10370 } 10371 // Regardless of writeSettings we need to ensure that this restriction 10372 // state propagation is persisted 10373 mSettings.writeAllUsersPackageRestrictionsLPr(); 10374 } 10375 // can downgrade to reader here 10376 if (writeSettings) { 10377 mSettings.writeLPr(); 10378 } 10379 } 10380 return true; 10381 } 10382 10383 private boolean deleteInstalledPackageLI(PackageSetting ps, 10384 boolean deleteCodeAndResources, int flags, 10385 int[] allUserHandles, boolean[] perUserInstalled, 10386 PackageRemovedInfo outInfo, boolean writeSettings) { 10387 if (outInfo != null) { 10388 outInfo.uid = ps.appId; 10389 } 10390 10391 // Delete package data from internal structures and also remove data if flag is set 10392 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10393 10394 // Delete application code and resources 10395 if (deleteCodeAndResources && (outInfo != null)) { 10396 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10397 ps.resourcePathString, ps.nativeLibraryPathString, 10398 getAppInstructionSetFromSettings(ps)); 10399 } 10400 return true; 10401 } 10402 10403 /* 10404 * This method handles package deletion in general 10405 */ 10406 private boolean deletePackageLI(String packageName, UserHandle user, 10407 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10408 int flags, PackageRemovedInfo outInfo, 10409 boolean writeSettings) { 10410 if (packageName == null) { 10411 Slog.w(TAG, "Attempt to delete null packageName."); 10412 return false; 10413 } 10414 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10415 PackageSetting ps; 10416 boolean dataOnly = false; 10417 int removeUser = -1; 10418 int appId = -1; 10419 synchronized (mPackages) { 10420 ps = mSettings.mPackages.get(packageName); 10421 if (ps == null) { 10422 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10423 return false; 10424 } 10425 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10426 && user.getIdentifier() != UserHandle.USER_ALL) { 10427 // The caller is asking that the package only be deleted for a single 10428 // user. To do this, we just mark its uninstalled state and delete 10429 // its data. If this is a system app, we only allow this to happen if 10430 // they have set the special DELETE_SYSTEM_APP which requests different 10431 // semantics than normal for uninstalling system apps. 10432 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10433 ps.setUserState(user.getIdentifier(), 10434 COMPONENT_ENABLED_STATE_DEFAULT, 10435 false, //installed 10436 true, //stopped 10437 true, //notLaunched 10438 false, //blocked 10439 null, null, null); 10440 if (!isSystemApp(ps)) { 10441 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10442 // Other user still have this package installed, so all 10443 // we need to do is clear this user's data and save that 10444 // it is uninstalled. 10445 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10446 removeUser = user.getIdentifier(); 10447 appId = ps.appId; 10448 mSettings.writePackageRestrictionsLPr(removeUser); 10449 } else { 10450 // We need to set it back to 'installed' so the uninstall 10451 // broadcasts will be sent correctly. 10452 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10453 ps.setInstalled(true, user.getIdentifier()); 10454 } 10455 } else { 10456 // This is a system app, so we assume that the 10457 // other users still have this package installed, so all 10458 // we need to do is clear this user's data and save that 10459 // it is uninstalled. 10460 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10461 removeUser = user.getIdentifier(); 10462 appId = ps.appId; 10463 mSettings.writePackageRestrictionsLPr(removeUser); 10464 } 10465 } 10466 } 10467 10468 if (removeUser >= 0) { 10469 // From above, we determined that we are deleting this only 10470 // for a single user. Continue the work here. 10471 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10472 if (outInfo != null) { 10473 outInfo.removedPackage = packageName; 10474 outInfo.removedAppId = appId; 10475 outInfo.removedUsers = new int[] {removeUser}; 10476 } 10477 mInstaller.clearUserData(packageName, removeUser); 10478 removeKeystoreDataIfNeeded(removeUser, appId); 10479 schedulePackageCleaning(packageName, removeUser, false); 10480 return true; 10481 } 10482 10483 if (dataOnly) { 10484 // Delete application data first 10485 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10486 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10487 return true; 10488 } 10489 10490 boolean ret = false; 10491 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10492 if (isSystemApp(ps)) { 10493 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10494 // When an updated system application is deleted we delete the existing resources as well and 10495 // fall back to existing code in system partition 10496 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10497 flags, outInfo, writeSettings); 10498 } else { 10499 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10500 // Kill application pre-emptively especially for apps on sd. 10501 killApplication(packageName, ps.appId, "uninstall pkg"); 10502 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10503 allUserHandles, perUserInstalled, 10504 outInfo, writeSettings); 10505 } 10506 10507 return ret; 10508 } 10509 10510 private final class ClearStorageConnection implements ServiceConnection { 10511 IMediaContainerService mContainerService; 10512 10513 @Override 10514 public void onServiceConnected(ComponentName name, IBinder service) { 10515 synchronized (this) { 10516 mContainerService = IMediaContainerService.Stub.asInterface(service); 10517 notifyAll(); 10518 } 10519 } 10520 10521 @Override 10522 public void onServiceDisconnected(ComponentName name) { 10523 } 10524 } 10525 10526 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10527 final boolean mounted; 10528 if (Environment.isExternalStorageEmulated()) { 10529 mounted = true; 10530 } else { 10531 final String status = Environment.getExternalStorageState(); 10532 10533 mounted = status.equals(Environment.MEDIA_MOUNTED) 10534 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10535 } 10536 10537 if (!mounted) { 10538 return; 10539 } 10540 10541 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10542 int[] users; 10543 if (userId == UserHandle.USER_ALL) { 10544 users = sUserManager.getUserIds(); 10545 } else { 10546 users = new int[] { userId }; 10547 } 10548 final ClearStorageConnection conn = new ClearStorageConnection(); 10549 if (mContext.bindServiceAsUser( 10550 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10551 try { 10552 for (int curUser : users) { 10553 long timeout = SystemClock.uptimeMillis() + 5000; 10554 synchronized (conn) { 10555 long now = SystemClock.uptimeMillis(); 10556 while (conn.mContainerService == null && now < timeout) { 10557 try { 10558 conn.wait(timeout - now); 10559 } catch (InterruptedException e) { 10560 } 10561 } 10562 } 10563 if (conn.mContainerService == null) { 10564 return; 10565 } 10566 10567 final UserEnvironment userEnv = new UserEnvironment(curUser); 10568 clearDirectory(conn.mContainerService, 10569 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10570 if (allData) { 10571 clearDirectory(conn.mContainerService, 10572 userEnv.buildExternalStorageAppDataDirs(packageName)); 10573 clearDirectory(conn.mContainerService, 10574 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10575 } 10576 } 10577 } finally { 10578 mContext.unbindService(conn); 10579 } 10580 } 10581 } 10582 10583 @Override 10584 public void clearApplicationUserData(final String packageName, 10585 final IPackageDataObserver observer, final int userId) { 10586 mContext.enforceCallingOrSelfPermission( 10587 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10588 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10589 // Queue up an async operation since the package deletion may take a little while. 10590 mHandler.post(new Runnable() { 10591 public void run() { 10592 mHandler.removeCallbacks(this); 10593 final boolean succeeded; 10594 synchronized (mInstallLock) { 10595 succeeded = clearApplicationUserDataLI(packageName, userId); 10596 } 10597 clearExternalStorageDataSync(packageName, userId, true); 10598 if (succeeded) { 10599 // invoke DeviceStorageMonitor's update method to clear any notifications 10600 DeviceStorageMonitorInternal 10601 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10602 if (dsm != null) { 10603 dsm.checkMemory(); 10604 } 10605 } 10606 if(observer != null) { 10607 try { 10608 observer.onRemoveCompleted(packageName, succeeded); 10609 } catch (RemoteException e) { 10610 Log.i(TAG, "Observer no longer exists."); 10611 } 10612 } //end if observer 10613 } //end run 10614 }); 10615 } 10616 10617 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10618 if (packageName == null) { 10619 Slog.w(TAG, "Attempt to delete null packageName."); 10620 return false; 10621 } 10622 PackageParser.Package p; 10623 boolean dataOnly = false; 10624 final int appId; 10625 synchronized (mPackages) { 10626 p = mPackages.get(packageName); 10627 if (p == null) { 10628 dataOnly = true; 10629 PackageSetting ps = mSettings.mPackages.get(packageName); 10630 if ((ps == null) || (ps.pkg == null)) { 10631 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10632 return false; 10633 } 10634 p = ps.pkg; 10635 } 10636 if (!dataOnly) { 10637 // need to check this only for fully installed applications 10638 if (p == null) { 10639 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10640 return false; 10641 } 10642 final ApplicationInfo applicationInfo = p.applicationInfo; 10643 if (applicationInfo == null) { 10644 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10645 return false; 10646 } 10647 } 10648 if (p != null && p.applicationInfo != null) { 10649 appId = p.applicationInfo.uid; 10650 } else { 10651 appId = -1; 10652 } 10653 } 10654 int retCode = mInstaller.clearUserData(packageName, userId); 10655 if (retCode < 0) { 10656 Slog.w(TAG, "Couldn't remove cache files for package: " 10657 + packageName); 10658 return false; 10659 } 10660 removeKeystoreDataIfNeeded(userId, appId); 10661 return true; 10662 } 10663 10664 /** 10665 * Remove entries from the keystore daemon. Will only remove it if the 10666 * {@code appId} is valid. 10667 */ 10668 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10669 if (appId < 0) { 10670 return; 10671 } 10672 10673 final KeyStore keyStore = KeyStore.getInstance(); 10674 if (keyStore != null) { 10675 if (userId == UserHandle.USER_ALL) { 10676 for (final int individual : sUserManager.getUserIds()) { 10677 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10678 } 10679 } else { 10680 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10681 } 10682 } else { 10683 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10684 } 10685 } 10686 10687 public void deleteApplicationCacheFiles(final String packageName, 10688 final IPackageDataObserver observer) { 10689 mContext.enforceCallingOrSelfPermission( 10690 android.Manifest.permission.DELETE_CACHE_FILES, null); 10691 // Queue up an async operation since the package deletion may take a little while. 10692 final int userId = UserHandle.getCallingUserId(); 10693 mHandler.post(new Runnable() { 10694 public void run() { 10695 mHandler.removeCallbacks(this); 10696 final boolean succeded; 10697 synchronized (mInstallLock) { 10698 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10699 } 10700 clearExternalStorageDataSync(packageName, userId, false); 10701 if(observer != null) { 10702 try { 10703 observer.onRemoveCompleted(packageName, succeded); 10704 } catch (RemoteException e) { 10705 Log.i(TAG, "Observer no longer exists."); 10706 } 10707 } //end if observer 10708 } //end run 10709 }); 10710 } 10711 10712 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10713 if (packageName == null) { 10714 Slog.w(TAG, "Attempt to delete null packageName."); 10715 return false; 10716 } 10717 PackageParser.Package p; 10718 synchronized (mPackages) { 10719 p = mPackages.get(packageName); 10720 } 10721 if (p == null) { 10722 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10723 return false; 10724 } 10725 final ApplicationInfo applicationInfo = p.applicationInfo; 10726 if (applicationInfo == null) { 10727 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10728 return false; 10729 } 10730 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10731 if (retCode < 0) { 10732 Slog.w(TAG, "Couldn't remove cache files for package: " 10733 + packageName + " u" + userId); 10734 return false; 10735 } 10736 return true; 10737 } 10738 10739 public void getPackageSizeInfo(final String packageName, int userHandle, 10740 final IPackageStatsObserver observer) { 10741 mContext.enforceCallingOrSelfPermission( 10742 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10743 if (packageName == null) { 10744 throw new IllegalArgumentException("Attempt to get size of null packageName"); 10745 } 10746 10747 PackageStats stats = new PackageStats(packageName, userHandle); 10748 10749 /* 10750 * Queue up an async operation since the package measurement may take a 10751 * little while. 10752 */ 10753 Message msg = mHandler.obtainMessage(INIT_COPY); 10754 msg.obj = new MeasureParams(stats, observer); 10755 mHandler.sendMessage(msg); 10756 } 10757 10758 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10759 PackageStats pStats) { 10760 if (packageName == null) { 10761 Slog.w(TAG, "Attempt to get size of null packageName."); 10762 return false; 10763 } 10764 PackageParser.Package p; 10765 boolean dataOnly = false; 10766 String libDirPath = null; 10767 String asecPath = null; 10768 PackageSetting ps = null; 10769 synchronized (mPackages) { 10770 p = mPackages.get(packageName); 10771 ps = mSettings.mPackages.get(packageName); 10772 if(p == null) { 10773 dataOnly = true; 10774 if((ps == null) || (ps.pkg == null)) { 10775 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10776 return false; 10777 } 10778 p = ps.pkg; 10779 } 10780 if (ps != null) { 10781 libDirPath = ps.nativeLibraryPathString; 10782 } 10783 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10784 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10785 if (secureContainerId != null) { 10786 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10787 } 10788 } 10789 } 10790 String publicSrcDir = null; 10791 if(!dataOnly) { 10792 final ApplicationInfo applicationInfo = p.applicationInfo; 10793 if (applicationInfo == null) { 10794 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10795 return false; 10796 } 10797 if (isForwardLocked(p)) { 10798 publicSrcDir = applicationInfo.publicSourceDir; 10799 } 10800 } 10801 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10802 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 10803 pStats); 10804 if (res < 0) { 10805 return false; 10806 } 10807 10808 // Fix-up for forward-locked applications in ASEC containers. 10809 if (!isExternal(p)) { 10810 pStats.codeSize += pStats.externalCodeSize; 10811 pStats.externalCodeSize = 0L; 10812 } 10813 10814 return true; 10815 } 10816 10817 10818 public void addPackageToPreferred(String packageName) { 10819 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10820 } 10821 10822 public void removePackageFromPreferred(String packageName) { 10823 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10824 } 10825 10826 public List<PackageInfo> getPreferredPackages(int flags) { 10827 return new ArrayList<PackageInfo>(); 10828 } 10829 10830 private int getUidTargetSdkVersionLockedLPr(int uid) { 10831 Object obj = mSettings.getUserIdLPr(uid); 10832 if (obj instanceof SharedUserSetting) { 10833 final SharedUserSetting sus = (SharedUserSetting) obj; 10834 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10835 final Iterator<PackageSetting> it = sus.packages.iterator(); 10836 while (it.hasNext()) { 10837 final PackageSetting ps = it.next(); 10838 if (ps.pkg != null) { 10839 int v = ps.pkg.applicationInfo.targetSdkVersion; 10840 if (v < vers) vers = v; 10841 } 10842 } 10843 return vers; 10844 } else if (obj instanceof PackageSetting) { 10845 final PackageSetting ps = (PackageSetting) obj; 10846 if (ps.pkg != null) { 10847 return ps.pkg.applicationInfo.targetSdkVersion; 10848 } 10849 } 10850 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10851 } 10852 10853 public void addPreferredActivity(IntentFilter filter, int match, 10854 ComponentName[] set, ComponentName activity, int userId) { 10855 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10856 } 10857 10858 private void addPreferredActivityInternal(IntentFilter filter, int match, 10859 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10860 // writer 10861 int callingUid = Binder.getCallingUid(); 10862 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10863 if (filter.countActions() == 0) { 10864 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10865 return; 10866 } 10867 synchronized (mPackages) { 10868 if (mContext.checkCallingOrSelfPermission( 10869 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10870 != PackageManager.PERMISSION_GRANTED) { 10871 if (getUidTargetSdkVersionLockedLPr(callingUid) 10872 < Build.VERSION_CODES.FROYO) { 10873 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10874 + callingUid); 10875 return; 10876 } 10877 mContext.enforceCallingOrSelfPermission( 10878 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10879 } 10880 10881 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10882 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10883 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10884 new PreferredActivity(filter, match, set, activity, always)); 10885 mSettings.writePackageRestrictionsLPr(userId); 10886 } 10887 } 10888 10889 public void replacePreferredActivity(IntentFilter filter, int match, 10890 ComponentName[] set, ComponentName activity) { 10891 if (filter.countActions() != 1) { 10892 throw new IllegalArgumentException( 10893 "replacePreferredActivity expects filter to have only 1 action."); 10894 } 10895 if (filter.countDataAuthorities() != 0 10896 || filter.countDataPaths() != 0 10897 || filter.countDataSchemes() > 1 10898 || filter.countDataTypes() != 0) { 10899 throw new IllegalArgumentException( 10900 "replacePreferredActivity expects filter to have no data authorities, " + 10901 "paths, or types; and at most one scheme."); 10902 } 10903 synchronized (mPackages) { 10904 if (mContext.checkCallingOrSelfPermission( 10905 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10906 != PackageManager.PERMISSION_GRANTED) { 10907 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10908 < Build.VERSION_CODES.FROYO) { 10909 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10910 + Binder.getCallingUid()); 10911 return; 10912 } 10913 mContext.enforceCallingOrSelfPermission( 10914 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10915 } 10916 10917 final int callingUserId = UserHandle.getCallingUserId(); 10918 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10919 if (pir != null) { 10920 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10921 if (filter.countDataSchemes() == 1) { 10922 Uri.Builder builder = new Uri.Builder(); 10923 builder.scheme(filter.getDataScheme(0)); 10924 intent.setData(builder.build()); 10925 } 10926 List<PreferredActivity> matches = pir.queryIntent( 10927 intent, null, true, callingUserId); 10928 if (DEBUG_PREFERRED) { 10929 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10930 } 10931 for (int i = 0; i < matches.size(); i++) { 10932 PreferredActivity pa = matches.get(i); 10933 if (DEBUG_PREFERRED) { 10934 Slog.i(TAG, "Removing preferred activity " 10935 + pa.mPref.mComponent + ":"); 10936 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10937 } 10938 pir.removeFilter(pa); 10939 } 10940 } 10941 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10942 } 10943 } 10944 10945 public void clearPackagePreferredActivities(String packageName) { 10946 final int uid = Binder.getCallingUid(); 10947 // writer 10948 synchronized (mPackages) { 10949 PackageParser.Package pkg = mPackages.get(packageName); 10950 if (pkg == null || pkg.applicationInfo.uid != uid) { 10951 if (mContext.checkCallingOrSelfPermission( 10952 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10953 != PackageManager.PERMISSION_GRANTED) { 10954 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10955 < Build.VERSION_CODES.FROYO) { 10956 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10957 + Binder.getCallingUid()); 10958 return; 10959 } 10960 mContext.enforceCallingOrSelfPermission( 10961 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10962 } 10963 } 10964 10965 int user = UserHandle.getCallingUserId(); 10966 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10967 mSettings.writePackageRestrictionsLPr(user); 10968 scheduleWriteSettingsLocked(); 10969 } 10970 } 10971 } 10972 10973 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10974 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10975 ArrayList<PreferredActivity> removed = null; 10976 boolean changed = false; 10977 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10978 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10979 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10980 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10981 continue; 10982 } 10983 Iterator<PreferredActivity> it = pir.filterIterator(); 10984 while (it.hasNext()) { 10985 PreferredActivity pa = it.next(); 10986 // Mark entry for removal only if it matches the package name 10987 // and the entry is of type "always". 10988 if (packageName == null || 10989 (pa.mPref.mComponent.getPackageName().equals(packageName) 10990 && pa.mPref.mAlways)) { 10991 if (removed == null) { 10992 removed = new ArrayList<PreferredActivity>(); 10993 } 10994 removed.add(pa); 10995 } 10996 } 10997 if (removed != null) { 10998 for (int j=0; j<removed.size(); j++) { 10999 PreferredActivity pa = removed.get(j); 11000 pir.removeFilter(pa); 11001 } 11002 changed = true; 11003 } 11004 } 11005 return changed; 11006 } 11007 11008 public void resetPreferredActivities(int userId) { 11009 mContext.enforceCallingOrSelfPermission( 11010 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11011 // writer 11012 synchronized (mPackages) { 11013 int user = UserHandle.getCallingUserId(); 11014 clearPackagePreferredActivitiesLPw(null, user); 11015 mSettings.readDefaultPreferredAppsLPw(this, user); 11016 mSettings.writePackageRestrictionsLPr(user); 11017 scheduleWriteSettingsLocked(); 11018 } 11019 } 11020 11021 public int getPreferredActivities(List<IntentFilter> outFilters, 11022 List<ComponentName> outActivities, String packageName) { 11023 11024 int num = 0; 11025 final int userId = UserHandle.getCallingUserId(); 11026 // reader 11027 synchronized (mPackages) { 11028 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11029 if (pir != null) { 11030 final Iterator<PreferredActivity> it = pir.filterIterator(); 11031 while (it.hasNext()) { 11032 final PreferredActivity pa = it.next(); 11033 if (packageName == null 11034 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11035 && pa.mPref.mAlways)) { 11036 if (outFilters != null) { 11037 outFilters.add(new IntentFilter(pa)); 11038 } 11039 if (outActivities != null) { 11040 outActivities.add(pa.mPref.mComponent); 11041 } 11042 } 11043 } 11044 } 11045 } 11046 11047 return num; 11048 } 11049 11050 @Override 11051 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11052 int userId) { 11053 int callingUid = Binder.getCallingUid(); 11054 if (callingUid != Process.SYSTEM_UID) { 11055 throw new SecurityException( 11056 "addPersistentPreferredActivity can only be run by the system"); 11057 } 11058 if (filter.countActions() == 0) { 11059 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11060 return; 11061 } 11062 synchronized (mPackages) { 11063 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11064 " :"); 11065 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11066 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11067 new PersistentPreferredActivity(filter, activity)); 11068 mSettings.writePackageRestrictionsLPr(userId); 11069 } 11070 } 11071 11072 @Override 11073 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11074 int callingUid = Binder.getCallingUid(); 11075 if (callingUid != Process.SYSTEM_UID) { 11076 throw new SecurityException( 11077 "clearPackagePersistentPreferredActivities can only be run by the system"); 11078 } 11079 ArrayList<PersistentPreferredActivity> removed = null; 11080 boolean changed = false; 11081 synchronized (mPackages) { 11082 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11083 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11084 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11085 .valueAt(i); 11086 if (userId != thisUserId) { 11087 continue; 11088 } 11089 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11090 while (it.hasNext()) { 11091 PersistentPreferredActivity ppa = it.next(); 11092 // Mark entry for removal only if it matches the package name. 11093 if (ppa.mComponent.getPackageName().equals(packageName)) { 11094 if (removed == null) { 11095 removed = new ArrayList<PersistentPreferredActivity>(); 11096 } 11097 removed.add(ppa); 11098 } 11099 } 11100 if (removed != null) { 11101 for (int j=0; j<removed.size(); j++) { 11102 PersistentPreferredActivity ppa = removed.get(j); 11103 ppir.removeFilter(ppa); 11104 } 11105 changed = true; 11106 } 11107 } 11108 11109 if (changed) { 11110 mSettings.writePackageRestrictionsLPr(userId); 11111 } 11112 } 11113 } 11114 11115 @Override 11116 public void addForwardingIntentFilter(IntentFilter filter, boolean removable, int userIdOrig, 11117 int userIdDest) { 11118 mContext.enforceCallingOrSelfPermission( 11119 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11120 if (filter.countActions() == 0) { 11121 Slog.w(TAG, "Cannot set a forwarding intent filter with no filter actions"); 11122 return; 11123 } 11124 synchronized (mPackages) { 11125 mSettings.editForwardingIntentResolverLPw(userIdOrig).addFilter( 11126 new ForwardingIntentFilter(filter, removable, userIdDest)); 11127 mSettings.writePackageRestrictionsLPr(userIdOrig); 11128 } 11129 } 11130 11131 @Override 11132 public void clearForwardingIntentFilters(int userIdOrig) { 11133 mContext.enforceCallingOrSelfPermission( 11134 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11135 synchronized (mPackages) { 11136 ForwardingIntentResolver fir = mSettings.editForwardingIntentResolverLPw(userIdOrig); 11137 HashSet<ForwardingIntentFilter> set = 11138 new HashSet<ForwardingIntentFilter>(fir.filterSet()); 11139 for (ForwardingIntentFilter fif : set) { 11140 if (fif.isRemovable()) fir.removeFilter(fif); 11141 } 11142 mSettings.writePackageRestrictionsLPr(userIdOrig); 11143 } 11144 } 11145 11146 @Override 11147 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11148 Intent intent = new Intent(Intent.ACTION_MAIN); 11149 intent.addCategory(Intent.CATEGORY_HOME); 11150 11151 final int callingUserId = UserHandle.getCallingUserId(); 11152 List<ResolveInfo> list = queryIntentActivities(intent, null, 11153 PackageManager.GET_META_DATA, callingUserId); 11154 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11155 true, false, false, callingUserId); 11156 11157 allHomeCandidates.clear(); 11158 if (list != null) { 11159 for (ResolveInfo ri : list) { 11160 allHomeCandidates.add(ri); 11161 } 11162 } 11163 return (preferred == null || preferred.activityInfo == null) 11164 ? null 11165 : new ComponentName(preferred.activityInfo.packageName, 11166 preferred.activityInfo.name); 11167 } 11168 11169 @Override 11170 public void setApplicationEnabledSetting(String appPackageName, 11171 int newState, int flags, int userId, String callingPackage) { 11172 if (!sUserManager.exists(userId)) return; 11173 if (callingPackage == null) { 11174 callingPackage = Integer.toString(Binder.getCallingUid()); 11175 } 11176 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11177 } 11178 11179 @Override 11180 public void setComponentEnabledSetting(ComponentName componentName, 11181 int newState, int flags, int userId) { 11182 if (!sUserManager.exists(userId)) return; 11183 setEnabledSetting(componentName.getPackageName(), 11184 componentName.getClassName(), newState, flags, userId, null); 11185 } 11186 11187 private void setEnabledSetting(final String packageName, String className, int newState, 11188 final int flags, int userId, String callingPackage) { 11189 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11190 || newState == COMPONENT_ENABLED_STATE_ENABLED 11191 || newState == COMPONENT_ENABLED_STATE_DISABLED 11192 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11193 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11194 throw new IllegalArgumentException("Invalid new component state: " 11195 + newState); 11196 } 11197 PackageSetting pkgSetting; 11198 final int uid = Binder.getCallingUid(); 11199 final int permission = mContext.checkCallingOrSelfPermission( 11200 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11201 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11202 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11203 boolean sendNow = false; 11204 boolean isApp = (className == null); 11205 String componentName = isApp ? packageName : className; 11206 int packageUid = -1; 11207 ArrayList<String> components; 11208 11209 // writer 11210 synchronized (mPackages) { 11211 pkgSetting = mSettings.mPackages.get(packageName); 11212 if (pkgSetting == null) { 11213 if (className == null) { 11214 throw new IllegalArgumentException( 11215 "Unknown package: " + packageName); 11216 } 11217 throw new IllegalArgumentException( 11218 "Unknown component: " + packageName 11219 + "/" + className); 11220 } 11221 // Allow root and verify that userId is not being specified by a different user 11222 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11223 throw new SecurityException( 11224 "Permission Denial: attempt to change component state from pid=" 11225 + Binder.getCallingPid() 11226 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11227 } 11228 if (className == null) { 11229 // We're dealing with an application/package level state change 11230 if (pkgSetting.getEnabled(userId) == newState) { 11231 // Nothing to do 11232 return; 11233 } 11234 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11235 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11236 // Don't care about who enables an app. 11237 callingPackage = null; 11238 } 11239 pkgSetting.setEnabled(newState, userId, callingPackage); 11240 // pkgSetting.pkg.mSetEnabled = newState; 11241 } else { 11242 // We're dealing with a component level state change 11243 // First, verify that this is a valid class name. 11244 PackageParser.Package pkg = pkgSetting.pkg; 11245 if (pkg == null || !pkg.hasComponentClassName(className)) { 11246 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11247 throw new IllegalArgumentException("Component class " + className 11248 + " does not exist in " + packageName); 11249 } else { 11250 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11251 + className + " does not exist in " + packageName); 11252 } 11253 } 11254 switch (newState) { 11255 case COMPONENT_ENABLED_STATE_ENABLED: 11256 if (!pkgSetting.enableComponentLPw(className, userId)) { 11257 return; 11258 } 11259 break; 11260 case COMPONENT_ENABLED_STATE_DISABLED: 11261 if (!pkgSetting.disableComponentLPw(className, userId)) { 11262 return; 11263 } 11264 break; 11265 case COMPONENT_ENABLED_STATE_DEFAULT: 11266 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11267 return; 11268 } 11269 break; 11270 default: 11271 Slog.e(TAG, "Invalid new component state: " + newState); 11272 return; 11273 } 11274 } 11275 mSettings.writePackageRestrictionsLPr(userId); 11276 components = mPendingBroadcasts.get(userId, packageName); 11277 final boolean newPackage = components == null; 11278 if (newPackage) { 11279 components = new ArrayList<String>(); 11280 } 11281 if (!components.contains(componentName)) { 11282 components.add(componentName); 11283 } 11284 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11285 sendNow = true; 11286 // Purge entry from pending broadcast list if another one exists already 11287 // since we are sending one right away. 11288 mPendingBroadcasts.remove(userId, packageName); 11289 } else { 11290 if (newPackage) { 11291 mPendingBroadcasts.put(userId, packageName, components); 11292 } 11293 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11294 // Schedule a message 11295 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11296 } 11297 } 11298 } 11299 11300 long callingId = Binder.clearCallingIdentity(); 11301 try { 11302 if (sendNow) { 11303 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11304 sendPackageChangedBroadcast(packageName, 11305 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11306 } 11307 } finally { 11308 Binder.restoreCallingIdentity(callingId); 11309 } 11310 } 11311 11312 private void sendPackageChangedBroadcast(String packageName, 11313 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11314 if (DEBUG_INSTALL) 11315 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11316 + componentNames); 11317 Bundle extras = new Bundle(4); 11318 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11319 String nameList[] = new String[componentNames.size()]; 11320 componentNames.toArray(nameList); 11321 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11322 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11323 extras.putInt(Intent.EXTRA_UID, packageUid); 11324 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11325 new int[] {UserHandle.getUserId(packageUid)}); 11326 } 11327 11328 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11329 if (!sUserManager.exists(userId)) return; 11330 final int uid = Binder.getCallingUid(); 11331 final int permission = mContext.checkCallingOrSelfPermission( 11332 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11333 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11334 enforceCrossUserPermission(uid, userId, true, "stop package"); 11335 // writer 11336 synchronized (mPackages) { 11337 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11338 uid, userId)) { 11339 scheduleWritePackageRestrictionsLocked(userId); 11340 } 11341 } 11342 } 11343 11344 public String getInstallerPackageName(String packageName) { 11345 // reader 11346 synchronized (mPackages) { 11347 return mSettings.getInstallerPackageNameLPr(packageName); 11348 } 11349 } 11350 11351 @Override 11352 public int getApplicationEnabledSetting(String packageName, int userId) { 11353 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11354 int uid = Binder.getCallingUid(); 11355 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11356 // reader 11357 synchronized (mPackages) { 11358 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11359 } 11360 } 11361 11362 @Override 11363 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11364 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11365 int uid = Binder.getCallingUid(); 11366 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11367 // reader 11368 synchronized (mPackages) { 11369 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11370 } 11371 } 11372 11373 public void enterSafeMode() { 11374 enforceSystemOrRoot("Only the system can request entering safe mode"); 11375 11376 if (!mSystemReady) { 11377 mSafeMode = true; 11378 } 11379 } 11380 11381 public void systemReady() { 11382 mSystemReady = true; 11383 11384 // Read the compatibilty setting when the system is ready. 11385 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11386 mContext.getContentResolver(), 11387 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11388 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11389 if (DEBUG_SETTINGS) { 11390 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11391 } 11392 11393 synchronized (mPackages) { 11394 // Verify that all of the preferred activity components actually 11395 // exist. It is possible for applications to be updated and at 11396 // that point remove a previously declared activity component that 11397 // had been set as a preferred activity. We try to clean this up 11398 // the next time we encounter that preferred activity, but it is 11399 // possible for the user flow to never be able to return to that 11400 // situation so here we do a sanity check to make sure we haven't 11401 // left any junk around. 11402 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11403 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11404 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11405 removed.clear(); 11406 for (PreferredActivity pa : pir.filterSet()) { 11407 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11408 removed.add(pa); 11409 } 11410 } 11411 if (removed.size() > 0) { 11412 for (int j=0; j<removed.size(); j++) { 11413 PreferredActivity pa = removed.get(i); 11414 Slog.w(TAG, "Removing dangling preferred activity: " 11415 + pa.mPref.mComponent); 11416 pir.removeFilter(pa); 11417 } 11418 mSettings.writePackageRestrictionsLPr( 11419 mSettings.mPreferredActivities.keyAt(i)); 11420 } 11421 } 11422 } 11423 sUserManager.systemReady(); 11424 } 11425 11426 public boolean isSafeMode() { 11427 return mSafeMode; 11428 } 11429 11430 public boolean hasSystemUidErrors() { 11431 return mHasSystemUidErrors; 11432 } 11433 11434 static String arrayToString(int[] array) { 11435 StringBuffer buf = new StringBuffer(128); 11436 buf.append('['); 11437 if (array != null) { 11438 for (int i=0; i<array.length; i++) { 11439 if (i > 0) buf.append(", "); 11440 buf.append(array[i]); 11441 } 11442 } 11443 buf.append(']'); 11444 return buf.toString(); 11445 } 11446 11447 static class DumpState { 11448 public static final int DUMP_LIBS = 1 << 0; 11449 11450 public static final int DUMP_FEATURES = 1 << 1; 11451 11452 public static final int DUMP_RESOLVERS = 1 << 2; 11453 11454 public static final int DUMP_PERMISSIONS = 1 << 3; 11455 11456 public static final int DUMP_PACKAGES = 1 << 4; 11457 11458 public static final int DUMP_SHARED_USERS = 1 << 5; 11459 11460 public static final int DUMP_MESSAGES = 1 << 6; 11461 11462 public static final int DUMP_PROVIDERS = 1 << 7; 11463 11464 public static final int DUMP_VERIFIERS = 1 << 8; 11465 11466 public static final int DUMP_PREFERRED = 1 << 9; 11467 11468 public static final int DUMP_PREFERRED_XML = 1 << 10; 11469 11470 public static final int DUMP_KEYSETS = 1 << 11; 11471 11472 public static final int DUMP_VERSION = 1 << 12; 11473 11474 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11475 11476 private int mTypes; 11477 11478 private int mOptions; 11479 11480 private boolean mTitlePrinted; 11481 11482 private SharedUserSetting mSharedUser; 11483 11484 public boolean isDumping(int type) { 11485 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11486 return true; 11487 } 11488 11489 return (mTypes & type) != 0; 11490 } 11491 11492 public void setDump(int type) { 11493 mTypes |= type; 11494 } 11495 11496 public boolean isOptionEnabled(int option) { 11497 return (mOptions & option) != 0; 11498 } 11499 11500 public void setOptionEnabled(int option) { 11501 mOptions |= option; 11502 } 11503 11504 public boolean onTitlePrinted() { 11505 final boolean printed = mTitlePrinted; 11506 mTitlePrinted = true; 11507 return printed; 11508 } 11509 11510 public boolean getTitlePrinted() { 11511 return mTitlePrinted; 11512 } 11513 11514 public void setTitlePrinted(boolean enabled) { 11515 mTitlePrinted = enabled; 11516 } 11517 11518 public SharedUserSetting getSharedUser() { 11519 return mSharedUser; 11520 } 11521 11522 public void setSharedUser(SharedUserSetting user) { 11523 mSharedUser = user; 11524 } 11525 } 11526 11527 @Override 11528 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11529 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11530 != PackageManager.PERMISSION_GRANTED) { 11531 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11532 + Binder.getCallingPid() 11533 + ", uid=" + Binder.getCallingUid() 11534 + " without permission " 11535 + android.Manifest.permission.DUMP); 11536 return; 11537 } 11538 11539 DumpState dumpState = new DumpState(); 11540 boolean fullPreferred = false; 11541 boolean checkin = false; 11542 11543 String packageName = null; 11544 11545 int opti = 0; 11546 while (opti < args.length) { 11547 String opt = args[opti]; 11548 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11549 break; 11550 } 11551 opti++; 11552 if ("-a".equals(opt)) { 11553 // Right now we only know how to print all. 11554 } else if ("-h".equals(opt)) { 11555 pw.println("Package manager dump options:"); 11556 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11557 pw.println(" --checkin: dump for a checkin"); 11558 pw.println(" -f: print details of intent filters"); 11559 pw.println(" -h: print this help"); 11560 pw.println(" cmd may be one of:"); 11561 pw.println(" l[ibraries]: list known shared libraries"); 11562 pw.println(" f[ibraries]: list device features"); 11563 pw.println(" r[esolvers]: dump intent resolvers"); 11564 pw.println(" perm[issions]: dump permissions"); 11565 pw.println(" pref[erred]: print preferred package settings"); 11566 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11567 pw.println(" prov[iders]: dump content providers"); 11568 pw.println(" p[ackages]: dump installed packages"); 11569 pw.println(" s[hared-users]: dump shared user IDs"); 11570 pw.println(" m[essages]: print collected runtime messages"); 11571 pw.println(" v[erifiers]: print package verifier info"); 11572 pw.println(" version: print database version info"); 11573 pw.println(" <package.name>: info about given package"); 11574 pw.println(" k[eysets]: print known keysets"); 11575 return; 11576 } else if ("--checkin".equals(opt)) { 11577 checkin = true; 11578 } else if ("-f".equals(opt)) { 11579 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11580 } else { 11581 pw.println("Unknown argument: " + opt + "; use -h for help"); 11582 } 11583 } 11584 11585 // Is the caller requesting to dump a particular piece of data? 11586 if (opti < args.length) { 11587 String cmd = args[opti]; 11588 opti++; 11589 // Is this a package name? 11590 if ("android".equals(cmd) || cmd.contains(".")) { 11591 packageName = cmd; 11592 // When dumping a single package, we always dump all of its 11593 // filter information since the amount of data will be reasonable. 11594 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11595 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11596 dumpState.setDump(DumpState.DUMP_LIBS); 11597 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11598 dumpState.setDump(DumpState.DUMP_FEATURES); 11599 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11600 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11601 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11602 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11603 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11604 dumpState.setDump(DumpState.DUMP_PREFERRED); 11605 } else if ("preferred-xml".equals(cmd)) { 11606 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 11607 if (opti < args.length && "--full".equals(args[opti])) { 11608 fullPreferred = true; 11609 opti++; 11610 } 11611 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 11612 dumpState.setDump(DumpState.DUMP_PACKAGES); 11613 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 11614 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 11615 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 11616 dumpState.setDump(DumpState.DUMP_PROVIDERS); 11617 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 11618 dumpState.setDump(DumpState.DUMP_MESSAGES); 11619 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 11620 dumpState.setDump(DumpState.DUMP_VERIFIERS); 11621 } else if ("version".equals(cmd)) { 11622 dumpState.setDump(DumpState.DUMP_VERSION); 11623 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 11624 dumpState.setDump(DumpState.DUMP_KEYSETS); 11625 } 11626 } 11627 11628 if (checkin) { 11629 pw.println("vers,1"); 11630 } 11631 11632 // reader 11633 synchronized (mPackages) { 11634 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 11635 if (!checkin) { 11636 if (dumpState.onTitlePrinted()) 11637 pw.println(); 11638 pw.println("Database versions:"); 11639 pw.print(" SDK Version:"); 11640 pw.print(" internal="); 11641 pw.print(mSettings.mInternalSdkPlatform); 11642 pw.print(" external="); 11643 pw.println(mSettings.mExternalSdkPlatform); 11644 pw.print(" DB Version:"); 11645 pw.print(" internal="); 11646 pw.print(mSettings.mInternalDatabaseVersion); 11647 pw.print(" external="); 11648 pw.println(mSettings.mExternalDatabaseVersion); 11649 } 11650 } 11651 11652 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 11653 if (!checkin) { 11654 if (dumpState.onTitlePrinted()) 11655 pw.println(); 11656 pw.println("Verifiers:"); 11657 pw.print(" Required: "); 11658 pw.print(mRequiredVerifierPackage); 11659 pw.print(" (uid="); 11660 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 11661 pw.println(")"); 11662 } else if (mRequiredVerifierPackage != null) { 11663 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 11664 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 11665 } 11666 } 11667 11668 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 11669 boolean printedHeader = false; 11670 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 11671 while (it.hasNext()) { 11672 String name = it.next(); 11673 SharedLibraryEntry ent = mSharedLibraries.get(name); 11674 if (!checkin) { 11675 if (!printedHeader) { 11676 if (dumpState.onTitlePrinted()) 11677 pw.println(); 11678 pw.println("Libraries:"); 11679 printedHeader = true; 11680 } 11681 pw.print(" "); 11682 } else { 11683 pw.print("lib,"); 11684 } 11685 pw.print(name); 11686 if (!checkin) { 11687 pw.print(" -> "); 11688 } 11689 if (ent.path != null) { 11690 if (!checkin) { 11691 pw.print("(jar) "); 11692 pw.print(ent.path); 11693 } else { 11694 pw.print(",jar,"); 11695 pw.print(ent.path); 11696 } 11697 } else { 11698 if (!checkin) { 11699 pw.print("(apk) "); 11700 pw.print(ent.apk); 11701 } else { 11702 pw.print(",apk,"); 11703 pw.print(ent.apk); 11704 } 11705 } 11706 pw.println(); 11707 } 11708 } 11709 11710 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11711 if (dumpState.onTitlePrinted()) 11712 pw.println(); 11713 if (!checkin) { 11714 pw.println("Features:"); 11715 } 11716 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11717 while (it.hasNext()) { 11718 String name = it.next(); 11719 if (!checkin) { 11720 pw.print(" "); 11721 } else { 11722 pw.print("feat,"); 11723 } 11724 pw.println(name); 11725 } 11726 } 11727 11728 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 11729 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 11730 : "Activity Resolver Table:", " ", packageName, 11731 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11732 dumpState.setTitlePrinted(true); 11733 } 11734 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 11735 : "Receiver Resolver Table:", " ", packageName, 11736 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11737 dumpState.setTitlePrinted(true); 11738 } 11739 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11740 : "Service Resolver Table:", " ", packageName, 11741 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11742 dumpState.setTitlePrinted(true); 11743 } 11744 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11745 : "Provider Resolver Table:", " ", packageName, 11746 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11747 dumpState.setTitlePrinted(true); 11748 } 11749 } 11750 11751 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11752 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11753 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11754 int user = mSettings.mPreferredActivities.keyAt(i); 11755 if (pir.dump(pw, 11756 dumpState.getTitlePrinted() 11757 ? "\nPreferred Activities User " + user + ":" 11758 : "Preferred Activities User " + user + ":", " ", 11759 packageName, true)) { 11760 dumpState.setTitlePrinted(true); 11761 } 11762 } 11763 } 11764 11765 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11766 pw.flush(); 11767 FileOutputStream fout = new FileOutputStream(fd); 11768 BufferedOutputStream str = new BufferedOutputStream(fout); 11769 XmlSerializer serializer = new FastXmlSerializer(); 11770 try { 11771 serializer.setOutput(str, "utf-8"); 11772 serializer.startDocument(null, true); 11773 serializer.setFeature( 11774 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11775 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11776 serializer.endDocument(); 11777 serializer.flush(); 11778 } catch (IllegalArgumentException e) { 11779 pw.println("Failed writing: " + e); 11780 } catch (IllegalStateException e) { 11781 pw.println("Failed writing: " + e); 11782 } catch (IOException e) { 11783 pw.println("Failed writing: " + e); 11784 } 11785 } 11786 11787 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11788 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11789 } 11790 11791 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11792 boolean printedSomething = false; 11793 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11794 if (packageName != null && !packageName.equals(p.info.packageName)) { 11795 continue; 11796 } 11797 if (!printedSomething) { 11798 if (dumpState.onTitlePrinted()) 11799 pw.println(); 11800 pw.println("Registered ContentProviders:"); 11801 printedSomething = true; 11802 } 11803 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11804 pw.print(" "); pw.println(p.toString()); 11805 } 11806 printedSomething = false; 11807 for (Map.Entry<String, PackageParser.Provider> entry : 11808 mProvidersByAuthority.entrySet()) { 11809 PackageParser.Provider p = entry.getValue(); 11810 if (packageName != null && !packageName.equals(p.info.packageName)) { 11811 continue; 11812 } 11813 if (!printedSomething) { 11814 if (dumpState.onTitlePrinted()) 11815 pw.println(); 11816 pw.println("ContentProvider Authorities:"); 11817 printedSomething = true; 11818 } 11819 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11820 pw.print(" "); pw.println(p.toString()); 11821 if (p.info != null && p.info.applicationInfo != null) { 11822 final String appInfo = p.info.applicationInfo.toString(); 11823 pw.print(" applicationInfo="); pw.println(appInfo); 11824 } 11825 } 11826 } 11827 11828 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11829 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11830 } 11831 11832 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11833 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11834 } 11835 11836 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11837 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11838 } 11839 11840 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11841 if (dumpState.onTitlePrinted()) 11842 pw.println(); 11843 mSettings.dumpReadMessagesLPr(pw, dumpState); 11844 11845 pw.println(); 11846 pw.println("Package warning messages:"); 11847 final File fname = getSettingsProblemFile(); 11848 FileInputStream in = null; 11849 try { 11850 in = new FileInputStream(fname); 11851 final int avail = in.available(); 11852 final byte[] data = new byte[avail]; 11853 in.read(data); 11854 pw.print(new String(data)); 11855 } catch (FileNotFoundException e) { 11856 } catch (IOException e) { 11857 } finally { 11858 if (in != null) { 11859 try { 11860 in.close(); 11861 } catch (IOException e) { 11862 } 11863 } 11864 } 11865 } 11866 } 11867 } 11868 11869 // ------- apps on sdcard specific code ------- 11870 static final boolean DEBUG_SD_INSTALL = false; 11871 11872 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11873 11874 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11875 11876 private boolean mMediaMounted = false; 11877 11878 private String getEncryptKey() { 11879 try { 11880 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11881 SD_ENCRYPTION_KEYSTORE_NAME); 11882 if (sdEncKey == null) { 11883 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11884 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11885 if (sdEncKey == null) { 11886 Slog.e(TAG, "Failed to create encryption keys"); 11887 return null; 11888 } 11889 } 11890 return sdEncKey; 11891 } catch (NoSuchAlgorithmException nsae) { 11892 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11893 return null; 11894 } catch (IOException ioe) { 11895 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11896 return null; 11897 } 11898 11899 } 11900 11901 /* package */static String getTempContainerId() { 11902 int tmpIdx = 1; 11903 String list[] = PackageHelper.getSecureContainerList(); 11904 if (list != null) { 11905 for (final String name : list) { 11906 // Ignore null and non-temporary container entries 11907 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11908 continue; 11909 } 11910 11911 String subStr = name.substring(mTempContainerPrefix.length()); 11912 try { 11913 int cid = Integer.parseInt(subStr); 11914 if (cid >= tmpIdx) { 11915 tmpIdx = cid + 1; 11916 } 11917 } catch (NumberFormatException e) { 11918 } 11919 } 11920 } 11921 return mTempContainerPrefix + tmpIdx; 11922 } 11923 11924 /* 11925 * Update media status on PackageManager. 11926 */ 11927 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11928 int callingUid = Binder.getCallingUid(); 11929 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11930 throw new SecurityException("Media status can only be updated by the system"); 11931 } 11932 // reader; this apparently protects mMediaMounted, but should probably 11933 // be a different lock in that case. 11934 synchronized (mPackages) { 11935 Log.i(TAG, "Updating external media status from " 11936 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11937 + (mediaStatus ? "mounted" : "unmounted")); 11938 if (DEBUG_SD_INSTALL) 11939 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11940 + ", mMediaMounted=" + mMediaMounted); 11941 if (mediaStatus == mMediaMounted) { 11942 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11943 : 0, -1); 11944 mHandler.sendMessage(msg); 11945 return; 11946 } 11947 mMediaMounted = mediaStatus; 11948 } 11949 // Queue up an async operation since the package installation may take a 11950 // little while. 11951 mHandler.post(new Runnable() { 11952 public void run() { 11953 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11954 } 11955 }); 11956 } 11957 11958 /** 11959 * Called by MountService when the initial ASECs to scan are available. 11960 * Should block until all the ASEC containers are finished being scanned. 11961 */ 11962 public void scanAvailableAsecs() { 11963 updateExternalMediaStatusInner(true, false, false); 11964 if (mShouldRestoreconData) { 11965 SELinuxMMAC.setRestoreconDone(); 11966 mShouldRestoreconData = false; 11967 } 11968 } 11969 11970 /* 11971 * Collect information of applications on external media, map them against 11972 * existing containers and update information based on current mount status. 11973 * Please note that we always have to report status if reportStatus has been 11974 * set to true especially when unloading packages. 11975 */ 11976 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11977 boolean externalStorage) { 11978 // Collection of uids 11979 int uidArr[] = null; 11980 // Collection of stale containers 11981 HashSet<String> removeCids = new HashSet<String>(); 11982 // Collection of packages on external media with valid containers. 11983 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11984 // Get list of secure containers. 11985 final String list[] = PackageHelper.getSecureContainerList(); 11986 if (list == null || list.length == 0) { 11987 Log.i(TAG, "No secure containers on sdcard"); 11988 } else { 11989 // Process list of secure containers and categorize them 11990 // as active or stale based on their package internal state. 11991 int uidList[] = new int[list.length]; 11992 int num = 0; 11993 // reader 11994 synchronized (mPackages) { 11995 for (String cid : list) { 11996 if (DEBUG_SD_INSTALL) 11997 Log.i(TAG, "Processing container " + cid); 11998 String pkgName = getAsecPackageName(cid); 11999 if (pkgName == null) { 12000 if (DEBUG_SD_INSTALL) 12001 Log.i(TAG, "Container : " + cid + " stale"); 12002 removeCids.add(cid); 12003 continue; 12004 } 12005 if (DEBUG_SD_INSTALL) 12006 Log.i(TAG, "Looking for pkg : " + pkgName); 12007 12008 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12009 if (ps == null) { 12010 Log.i(TAG, "Deleting container with no matching settings " + cid); 12011 removeCids.add(cid); 12012 continue; 12013 } 12014 12015 /* 12016 * Skip packages that are not external if we're unmounting 12017 * external storage. 12018 */ 12019 if (externalStorage && !isMounted && !isExternal(ps)) { 12020 continue; 12021 } 12022 12023 final AsecInstallArgs args = new AsecInstallArgs(cid, 12024 getAppInstructionSetFromSettings(ps), 12025 isForwardLocked(ps)); 12026 // The package status is changed only if the code path 12027 // matches between settings and the container id. 12028 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12029 if (DEBUG_SD_INSTALL) { 12030 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12031 + " at code path: " + ps.codePathString); 12032 } 12033 12034 // We do have a valid package installed on sdcard 12035 processCids.put(args, ps.codePathString); 12036 final int uid = ps.appId; 12037 if (uid != -1) { 12038 uidList[num++] = uid; 12039 } 12040 } else { 12041 Log.i(TAG, "Deleting stale container for " + cid); 12042 removeCids.add(cid); 12043 } 12044 } 12045 } 12046 12047 if (num > 0) { 12048 // Sort uid list 12049 Arrays.sort(uidList, 0, num); 12050 // Throw away duplicates 12051 uidArr = new int[num]; 12052 uidArr[0] = uidList[0]; 12053 int di = 0; 12054 for (int i = 1; i < num; i++) { 12055 if (uidList[i - 1] != uidList[i]) { 12056 uidArr[di++] = uidList[i]; 12057 } 12058 } 12059 } 12060 } 12061 // Process packages with valid entries. 12062 if (isMounted) { 12063 if (DEBUG_SD_INSTALL) 12064 Log.i(TAG, "Loading packages"); 12065 loadMediaPackages(processCids, uidArr, removeCids); 12066 startCleaningPackages(); 12067 } else { 12068 if (DEBUG_SD_INSTALL) 12069 Log.i(TAG, "Unloading packages"); 12070 unloadMediaPackages(processCids, uidArr, reportStatus); 12071 } 12072 } 12073 12074 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12075 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12076 int size = pkgList.size(); 12077 if (size > 0) { 12078 // Send broadcasts here 12079 Bundle extras = new Bundle(); 12080 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12081 .toArray(new String[size])); 12082 if (uidArr != null) { 12083 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12084 } 12085 if (replacing) { 12086 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12087 } 12088 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12089 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12090 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12091 } 12092 } 12093 12094 /* 12095 * Look at potentially valid container ids from processCids If package 12096 * information doesn't match the one on record or package scanning fails, 12097 * the cid is added to list of removeCids. We currently don't delete stale 12098 * containers. 12099 */ 12100 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12101 HashSet<String> removeCids) { 12102 ArrayList<String> pkgList = new ArrayList<String>(); 12103 Set<AsecInstallArgs> keys = processCids.keySet(); 12104 boolean doGc = false; 12105 for (AsecInstallArgs args : keys) { 12106 String codePath = processCids.get(args); 12107 if (DEBUG_SD_INSTALL) 12108 Log.i(TAG, "Loading container : " + args.cid); 12109 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12110 try { 12111 // Make sure there are no container errors first. 12112 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12113 Slog.e(TAG, "Failed to mount cid : " + args.cid 12114 + " when installing from sdcard"); 12115 continue; 12116 } 12117 // Check code path here. 12118 if (codePath == null || !codePath.equals(args.getCodePath())) { 12119 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12120 + " does not match one in settings " + codePath); 12121 continue; 12122 } 12123 // Parse package 12124 int parseFlags = mDefParseFlags; 12125 if (args.isExternal()) { 12126 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12127 } 12128 if (args.isFwdLocked()) { 12129 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12130 } 12131 12132 doGc = true; 12133 synchronized (mInstallLock) { 12134 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12135 0, 0, null); 12136 // Scan the package 12137 if (pkg != null) { 12138 /* 12139 * TODO why is the lock being held? doPostInstall is 12140 * called in other places without the lock. This needs 12141 * to be straightened out. 12142 */ 12143 // writer 12144 synchronized (mPackages) { 12145 retCode = PackageManager.INSTALL_SUCCEEDED; 12146 pkgList.add(pkg.packageName); 12147 // Post process args 12148 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12149 pkg.applicationInfo.uid); 12150 } 12151 } else { 12152 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12153 } 12154 } 12155 12156 } finally { 12157 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12158 // Don't destroy container here. Wait till gc clears things 12159 // up. 12160 removeCids.add(args.cid); 12161 } 12162 } 12163 } 12164 // writer 12165 synchronized (mPackages) { 12166 // If the platform SDK has changed since the last time we booted, 12167 // we need to re-grant app permission to catch any new ones that 12168 // appear. This is really a hack, and means that apps can in some 12169 // cases get permissions that the user didn't initially explicitly 12170 // allow... it would be nice to have some better way to handle 12171 // this situation. 12172 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12173 if (regrantPermissions) 12174 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12175 + mSdkVersion + "; regranting permissions for external storage"); 12176 mSettings.mExternalSdkPlatform = mSdkVersion; 12177 12178 // Make sure group IDs have been assigned, and any permission 12179 // changes in other apps are accounted for 12180 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12181 | (regrantPermissions 12182 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12183 : 0)); 12184 12185 mSettings.updateExternalDatabaseVersion(); 12186 12187 // can downgrade to reader 12188 // Persist settings 12189 mSettings.writeLPr(); 12190 } 12191 // Send a broadcast to let everyone know we are done processing 12192 if (pkgList.size() > 0) { 12193 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12194 } 12195 // Force gc to avoid any stale parser references that we might have. 12196 if (doGc) { 12197 Runtime.getRuntime().gc(); 12198 } 12199 // List stale containers and destroy stale temporary containers. 12200 if (removeCids != null) { 12201 for (String cid : removeCids) { 12202 if (cid.startsWith(mTempContainerPrefix)) { 12203 Log.i(TAG, "Destroying stale temporary container " + cid); 12204 PackageHelper.destroySdDir(cid); 12205 } else { 12206 Log.w(TAG, "Container " + cid + " is stale"); 12207 } 12208 } 12209 } 12210 } 12211 12212 /* 12213 * Utility method to unload a list of specified containers 12214 */ 12215 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12216 // Just unmount all valid containers. 12217 for (AsecInstallArgs arg : cidArgs) { 12218 synchronized (mInstallLock) { 12219 arg.doPostDeleteLI(false); 12220 } 12221 } 12222 } 12223 12224 /* 12225 * Unload packages mounted on external media. This involves deleting package 12226 * data from internal structures, sending broadcasts about diabled packages, 12227 * gc'ing to free up references, unmounting all secure containers 12228 * corresponding to packages on external media, and posting a 12229 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12230 * that we always have to post this message if status has been requested no 12231 * matter what. 12232 */ 12233 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12234 final boolean reportStatus) { 12235 if (DEBUG_SD_INSTALL) 12236 Log.i(TAG, "unloading media packages"); 12237 ArrayList<String> pkgList = new ArrayList<String>(); 12238 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12239 final Set<AsecInstallArgs> keys = processCids.keySet(); 12240 for (AsecInstallArgs args : keys) { 12241 String pkgName = args.getPackageName(); 12242 if (DEBUG_SD_INSTALL) 12243 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12244 // Delete package internally 12245 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12246 synchronized (mInstallLock) { 12247 boolean res = deletePackageLI(pkgName, null, false, null, null, 12248 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12249 if (res) { 12250 pkgList.add(pkgName); 12251 } else { 12252 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12253 failedList.add(args); 12254 } 12255 } 12256 } 12257 12258 // reader 12259 synchronized (mPackages) { 12260 // We didn't update the settings after removing each package; 12261 // write them now for all packages. 12262 mSettings.writeLPr(); 12263 } 12264 12265 // We have to absolutely send UPDATED_MEDIA_STATUS only 12266 // after confirming that all the receivers processed the ordered 12267 // broadcast when packages get disabled, force a gc to clean things up. 12268 // and unload all the containers. 12269 if (pkgList.size() > 0) { 12270 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12271 new IIntentReceiver.Stub() { 12272 public void performReceive(Intent intent, int resultCode, String data, 12273 Bundle extras, boolean ordered, boolean sticky, 12274 int sendingUser) throws RemoteException { 12275 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12276 reportStatus ? 1 : 0, 1, keys); 12277 mHandler.sendMessage(msg); 12278 } 12279 }); 12280 } else { 12281 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12282 keys); 12283 mHandler.sendMessage(msg); 12284 } 12285 } 12286 12287 /** Binder call */ 12288 @Override 12289 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12290 final int flags) { 12291 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12292 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12293 int returnCode = PackageManager.MOVE_SUCCEEDED; 12294 int currFlags = 0; 12295 int newFlags = 0; 12296 // reader 12297 synchronized (mPackages) { 12298 PackageParser.Package pkg = mPackages.get(packageName); 12299 if (pkg == null) { 12300 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12301 } else { 12302 // Disable moving fwd locked apps and system packages 12303 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12304 Slog.w(TAG, "Cannot move system application"); 12305 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12306 } else if (pkg.mOperationPending) { 12307 Slog.w(TAG, "Attempt to move package which has pending operations"); 12308 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12309 } else { 12310 // Find install location first 12311 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12312 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12313 Slog.w(TAG, "Ambigous flags specified for move location."); 12314 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12315 } else { 12316 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12317 : PackageManager.INSTALL_INTERNAL; 12318 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12319 : PackageManager.INSTALL_INTERNAL; 12320 12321 if (newFlags == currFlags) { 12322 Slog.w(TAG, "No move required. Trying to move to same location"); 12323 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12324 } else { 12325 if (isForwardLocked(pkg)) { 12326 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12327 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12328 } 12329 } 12330 } 12331 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12332 pkg.mOperationPending = true; 12333 } 12334 } 12335 } 12336 12337 /* 12338 * TODO this next block probably shouldn't be inside the lock. We 12339 * can't guarantee these won't change after this is fired off 12340 * anyway. 12341 */ 12342 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12343 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12344 null, -1, user), 12345 returnCode); 12346 } else { 12347 Message msg = mHandler.obtainMessage(INIT_COPY); 12348 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12349 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12350 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12351 instructionSet); 12352 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12353 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12354 msg.obj = mp; 12355 mHandler.sendMessage(msg); 12356 } 12357 } 12358 } 12359 12360 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12361 // Queue up an async operation since the package deletion may take a 12362 // little while. 12363 mHandler.post(new Runnable() { 12364 public void run() { 12365 // TODO fix this; this does nothing. 12366 mHandler.removeCallbacks(this); 12367 int returnCode = currentStatus; 12368 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12369 int uidArr[] = null; 12370 ArrayList<String> pkgList = null; 12371 synchronized (mPackages) { 12372 PackageParser.Package pkg = mPackages.get(mp.packageName); 12373 if (pkg == null) { 12374 Slog.w(TAG, " Package " + mp.packageName 12375 + " doesn't exist. Aborting move"); 12376 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12377 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12378 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12379 + mp.srcArgs.getCodePath() + " to " 12380 + pkg.applicationInfo.sourceDir 12381 + " Aborting move and returning error"); 12382 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12383 } else { 12384 uidArr = new int[] { 12385 pkg.applicationInfo.uid 12386 }; 12387 pkgList = new ArrayList<String>(); 12388 pkgList.add(mp.packageName); 12389 } 12390 } 12391 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12392 // Send resources unavailable broadcast 12393 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12394 // Update package code and resource paths 12395 synchronized (mInstallLock) { 12396 synchronized (mPackages) { 12397 PackageParser.Package pkg = mPackages.get(mp.packageName); 12398 // Recheck for package again. 12399 if (pkg == null) { 12400 Slog.w(TAG, " Package " + mp.packageName 12401 + " doesn't exist. Aborting move"); 12402 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12403 } else if (!mp.srcArgs.getCodePath().equals( 12404 pkg.applicationInfo.sourceDir)) { 12405 Slog.w(TAG, "Package " + mp.packageName 12406 + " code path changed from " + mp.srcArgs.getCodePath() 12407 + " to " + pkg.applicationInfo.sourceDir 12408 + " Aborting move and returning error"); 12409 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12410 } else { 12411 final String oldCodePath = pkg.mPath; 12412 final String newCodePath = mp.targetArgs.getCodePath(); 12413 final String newResPath = mp.targetArgs.getResourcePath(); 12414 final String newNativePath = mp.targetArgs 12415 .getNativeLibraryPath(); 12416 12417 final File newNativeDir = new File(newNativePath); 12418 12419 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12420 // NOTE: We do not report any errors from the APK scan and library 12421 // copy at this point. 12422 NativeLibraryHelper.ApkHandle handle = 12423 new NativeLibraryHelper.ApkHandle(newCodePath); 12424 final int abi = NativeLibraryHelper.findSupportedAbi( 12425 handle, Build.SUPPORTED_ABIS); 12426 if (abi >= 0) { 12427 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12428 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12429 } 12430 handle.close(); 12431 } 12432 final int[] users = sUserManager.getUserIds(); 12433 for (int user : users) { 12434 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12435 newNativePath, user) < 0) { 12436 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12437 } 12438 } 12439 12440 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12441 pkg.mPath = newCodePath; 12442 // Move dex files around 12443 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12444 // Moving of dex files failed. Set 12445 // error code and abort move. 12446 pkg.mPath = pkg.mScanPath; 12447 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12448 } 12449 } 12450 12451 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12452 pkg.mScanPath = newCodePath; 12453 pkg.applicationInfo.sourceDir = newCodePath; 12454 pkg.applicationInfo.publicSourceDir = newResPath; 12455 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12456 PackageSetting ps = (PackageSetting) pkg.mExtras; 12457 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12458 ps.codePathString = ps.codePath.getPath(); 12459 ps.resourcePath = new File( 12460 pkg.applicationInfo.publicSourceDir); 12461 ps.resourcePathString = ps.resourcePath.getPath(); 12462 ps.nativeLibraryPathString = newNativePath; 12463 // Set the application info flag 12464 // correctly. 12465 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12466 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12467 } else { 12468 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12469 } 12470 ps.setFlags(pkg.applicationInfo.flags); 12471 mAppDirs.remove(oldCodePath); 12472 mAppDirs.put(newCodePath, pkg); 12473 // Persist settings 12474 mSettings.writeLPr(); 12475 } 12476 } 12477 } 12478 } 12479 // Send resources available broadcast 12480 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12481 } 12482 } 12483 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12484 // Clean up failed installation 12485 if (mp.targetArgs != null) { 12486 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12487 -1); 12488 } 12489 } else { 12490 // Force a gc to clear things up. 12491 Runtime.getRuntime().gc(); 12492 // Delete older code 12493 synchronized (mInstallLock) { 12494 mp.srcArgs.doPostDeleteLI(true); 12495 } 12496 } 12497 12498 // Allow more operations on this file if we didn't fail because 12499 // an operation was already pending for this package. 12500 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12501 synchronized (mPackages) { 12502 PackageParser.Package pkg = mPackages.get(mp.packageName); 12503 if (pkg != null) { 12504 pkg.mOperationPending = false; 12505 } 12506 } 12507 } 12508 12509 IPackageMoveObserver observer = mp.observer; 12510 if (observer != null) { 12511 try { 12512 observer.packageMoved(mp.packageName, returnCode); 12513 } catch (RemoteException e) { 12514 Log.i(TAG, "Observer no longer exists."); 12515 } 12516 } 12517 } 12518 }); 12519 } 12520 12521 public boolean setInstallLocation(int loc) { 12522 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12523 null); 12524 if (getInstallLocation() == loc) { 12525 return true; 12526 } 12527 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12528 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12529 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12530 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12531 return true; 12532 } 12533 return false; 12534 } 12535 12536 public int getInstallLocation() { 12537 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12538 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12539 PackageHelper.APP_INSTALL_AUTO); 12540 } 12541 12542 /** Called by UserManagerService */ 12543 void cleanUpUserLILPw(int userHandle) { 12544 mDirtyUsers.remove(userHandle); 12545 mSettings.removeUserLPr(userHandle); 12546 mPendingBroadcasts.remove(userHandle); 12547 if (mInstaller != null) { 12548 // Technically, we shouldn't be doing this with the package lock 12549 // held. However, this is very rare, and there is already so much 12550 // other disk I/O going on, that we'll let it slide for now. 12551 mInstaller.removeUserDataDirs(userHandle); 12552 } 12553 } 12554 12555 /** Called by UserManagerService */ 12556 void createNewUserLILPw(int userHandle, File path) { 12557 if (mInstaller != null) { 12558 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12559 } 12560 } 12561 12562 @Override 12563 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12564 mContext.enforceCallingOrSelfPermission( 12565 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12566 "Only package verification agents can read the verifier device identity"); 12567 12568 synchronized (mPackages) { 12569 return mSettings.getVerifierDeviceIdentityLPw(); 12570 } 12571 } 12572 12573 @Override 12574 public void setPermissionEnforced(String permission, boolean enforced) { 12575 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12576 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12577 synchronized (mPackages) { 12578 if (mSettings.mReadExternalStorageEnforced == null 12579 || mSettings.mReadExternalStorageEnforced != enforced) { 12580 mSettings.mReadExternalStorageEnforced = enforced; 12581 mSettings.writeLPr(); 12582 } 12583 } 12584 // kill any non-foreground processes so we restart them and 12585 // grant/revoke the GID. 12586 final IActivityManager am = ActivityManagerNative.getDefault(); 12587 if (am != null) { 12588 final long token = Binder.clearCallingIdentity(); 12589 try { 12590 am.killProcessesBelowForeground("setPermissionEnforcement"); 12591 } catch (RemoteException e) { 12592 } finally { 12593 Binder.restoreCallingIdentity(token); 12594 } 12595 } 12596 } else { 12597 throw new IllegalArgumentException("No selective enforcement for " + permission); 12598 } 12599 } 12600 12601 @Override 12602 @Deprecated 12603 public boolean isPermissionEnforced(String permission) { 12604 return true; 12605 } 12606 12607 @Override 12608 public boolean isStorageLow() { 12609 final long token = Binder.clearCallingIdentity(); 12610 try { 12611 final DeviceStorageMonitorInternal 12612 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 12613 if (dsm != null) { 12614 return dsm.isMemoryLow(); 12615 } else { 12616 return false; 12617 } 12618 } finally { 12619 Binder.restoreCallingIdentity(token); 12620 } 12621 } 12622} 12623