PackageManagerService.java revision 10fa67c77e11699391e27975fc2d276a0b8c7cbb
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 com.android.internal.app.IMediaContainerService; 37import com.android.internal.app.ResolverActivity; 38import com.android.internal.content.NativeLibraryHelper; 39import com.android.internal.content.PackageHelper; 40import com.android.internal.util.FastPrintWriter; 41import com.android.internal.util.FastXmlSerializer; 42import com.android.internal.util.XmlUtils; 43import com.android.server.EventLogTags; 44import com.android.server.IntentResolver; 45import com.android.server.ServiceThread; 46 47import com.android.server.LocalServices; 48import com.android.server.Watchdog; 49import org.xmlpull.v1.XmlPullParser; 50import org.xmlpull.v1.XmlPullParserException; 51import org.xmlpull.v1.XmlSerializer; 52 53import android.app.ActivityManager; 54import android.app.ActivityManagerNative; 55import android.app.IActivityManager; 56import android.app.admin.IDevicePolicyManager; 57import android.app.backup.IBackupManager; 58import android.content.BroadcastReceiver; 59import android.content.ComponentName; 60import android.content.Context; 61import android.content.IIntentReceiver; 62import android.content.Intent; 63import android.content.IntentFilter; 64import android.content.IntentSender; 65import android.content.IntentSender.SendIntentException; 66import android.content.ServiceConnection; 67import android.content.pm.ActivityInfo; 68import android.content.pm.ApplicationInfo; 69import android.content.pm.ContainerEncryptionParams; 70import android.content.pm.FeatureInfo; 71import android.content.pm.IPackageDataObserver; 72import android.content.pm.IPackageDeleteObserver; 73import android.content.pm.IPackageInstallObserver; 74import android.content.pm.IPackageInstallObserver2; 75import android.content.pm.IPackageManager; 76import android.content.pm.IPackageMoveObserver; 77import android.content.pm.IPackageStatsObserver; 78import android.content.pm.InstrumentationInfo; 79import android.content.pm.ManifestDigest; 80import android.content.pm.PackageCleanItem; 81import android.content.pm.PackageInfo; 82import android.content.pm.PackageInfoLite; 83import android.content.pm.PackageManager; 84import android.content.pm.PackageParser; 85import android.content.pm.PackageParser.ActivityIntentInfo; 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 libcore.io.IoUtils; 168 169import com.android.internal.R; 170import com.android.server.pm.Settings.DatabaseVersion; 171import com.android.server.storage.DeviceStorageMonitorInternal; 172 173/** 174 * Keep track of all those .apks everywhere. 175 * 176 * This is very central to the platform's security; please run the unit 177 * tests whenever making modifications here: 178 * 179mmm frameworks/base/tests/AndroidTests 180adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 181adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 182 * 183 * {@hide} 184 */ 185public class PackageManagerService extends IPackageManager.Stub { 186 static final String TAG = "PackageManager"; 187 static final boolean DEBUG_SETTINGS = false; 188 static final boolean DEBUG_PREFERRED = false; 189 static final boolean DEBUG_UPGRADE = false; 190 private static final boolean DEBUG_INSTALL = false; 191 private static final boolean DEBUG_REMOVE = false; 192 private static final boolean DEBUG_BROADCASTS = false; 193 private static final boolean DEBUG_SHOW_INFO = false; 194 private static final boolean DEBUG_PACKAGE_INFO = false; 195 private static final boolean DEBUG_INTENT_MATCHING = false; 196 private static final boolean DEBUG_PACKAGE_SCANNING = false; 197 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 198 private static final boolean DEBUG_VERIFY = false; 199 200 private static final int RADIO_UID = Process.PHONE_UID; 201 private static final int LOG_UID = Process.LOG_UID; 202 private static final int NFC_UID = Process.NFC_UID; 203 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 204 private static final int SHELL_UID = Process.SHELL_UID; 205 206 // Cap the size of permission trees that 3rd party apps can define 207 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 208 209 private static final int REMOVE_EVENTS = 210 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 211 private static final int ADD_EVENTS = 212 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 213 214 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 215 // Suffix used during package installation when copying/moving 216 // package apks to install directory. 217 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 218 219 static final int SCAN_MONITOR = 1<<0; 220 static final int SCAN_NO_DEX = 1<<1; 221 static final int SCAN_FORCE_DEX = 1<<2; 222 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 223 static final int SCAN_NEW_INSTALL = 1<<4; 224 static final int SCAN_NO_PATHS = 1<<5; 225 static final int SCAN_UPDATE_TIME = 1<<6; 226 static final int SCAN_DEFER_DEX = 1<<7; 227 static final int SCAN_BOOTING = 1<<8; 228 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 229 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 230 231 static final int REMOVE_CHATTY = 1<<16; 232 233 /** 234 * Timeout (in milliseconds) after which the watchdog should declare that 235 * our handler thread is wedged. The usual default for such things is one 236 * minute but we sometimes do very lengthy I/O operations on this thread, 237 * such as installing multi-gigabyte applications, so ours needs to be longer. 238 */ 239 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 240 241 /** 242 * Whether verification is enabled by default. 243 */ 244 private static final boolean DEFAULT_VERIFY_ENABLE = true; 245 246 /** 247 * The default maximum time to wait for the verification agent to return in 248 * milliseconds. 249 */ 250 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 251 252 /** 253 * The default response for package verification timeout. 254 * 255 * This can be either PackageManager.VERIFICATION_ALLOW or 256 * PackageManager.VERIFICATION_REJECT. 257 */ 258 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 259 260 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 261 262 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 263 DEFAULT_CONTAINER_PACKAGE, 264 "com.android.defcontainer.DefaultContainerService"); 265 266 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 267 268 private static final String LIB_DIR_NAME = "lib"; 269 private static final String LIB64_DIR_NAME = "lib64"; 270 271 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 272 273 static final String mTempContainerPrefix = "smdl2tmp"; 274 275 final ServiceThread mHandlerThread; 276 277 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 278 private static final String IDMAP_SUFFIX = "@idmap"; 279 280 final PackageHandler mHandler; 281 282 final int mSdkVersion = Build.VERSION.SDK_INT; 283 284 final Context mContext; 285 final boolean mFactoryTest; 286 final boolean mOnlyCore; 287 final boolean mNoDexOpt; 288 final DisplayMetrics mMetrics; 289 final int mDefParseFlags; 290 final String[] mSeparateProcesses; 291 292 // This is where all application persistent data goes. 293 final File mAppDataDir; 294 295 // This is where all application persistent data goes for secondary users. 296 final File mUserAppDataDir; 297 298 /** The location for ASEC container files on internal storage. */ 299 final String mAsecInternalPath; 300 301 // This is the object monitoring the framework dir. 302 final FileObserver mFrameworkInstallObserver; 303 304 // This is the object monitoring the system app dir. 305 final FileObserver mSystemInstallObserver; 306 307 // This is the object monitoring the privileged system app dir. 308 final FileObserver mPrivilegedInstallObserver; 309 310 // This is the object monitoring the vendor app dir. 311 final FileObserver mVendorInstallObserver; 312 313 // This is the object monitoring the vendor overlay package dir. 314 final FileObserver mVendorOverlayInstallObserver; 315 316 // This is the object monitoring the OEM app dir. 317 final FileObserver mOemInstallObserver; 318 319 // This is the object monitoring mAppInstallDir. 320 final FileObserver mAppInstallObserver; 321 322 // This is the object monitoring mDrmAppPrivateInstallDir. 323 final FileObserver mDrmAppInstallObserver; 324 325 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 326 // LOCK HELD. Can be called with mInstallLock held. 327 final Installer mInstaller; 328 329 final File mAppInstallDir; 330 331 /** 332 * Directory to which applications installed internally have native 333 * libraries copied. 334 */ 335 private File mAppLibInstallDir; 336 337 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 338 // apps. 339 final File mDrmAppPrivateInstallDir; 340 341 // ---------------------------------------------------------------- 342 343 // Lock for state used when installing and doing other long running 344 // operations. Methods that must be called with this lock held have 345 // the suffix "LI". 346 final Object mInstallLock = new Object(); 347 348 // These are the directories in the 3rd party applications installed dir 349 // that we have currently loaded packages from. Keys are the application's 350 // installed zip file (absolute codePath), and values are Package. 351 final HashMap<String, PackageParser.Package> mAppDirs = 352 new HashMap<String, PackageParser.Package>(); 353 354 // Information for the parser to write more useful error messages. 355 int mLastScanError; 356 357 // ---------------------------------------------------------------- 358 359 // Keys are String (package name), values are Package. This also serves 360 // as the lock for the global state. Methods that must be called with 361 // this lock held have the prefix "LP". 362 final HashMap<String, PackageParser.Package> mPackages = 363 new HashMap<String, PackageParser.Package>(); 364 365 // Tracks available target package names -> overlay package paths. 366 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 367 new HashMap<String, HashMap<String, PackageParser.Package>>(); 368 369 final Settings mSettings; 370 boolean mRestoredSettings; 371 372 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 373 int[] mGlobalGids; 374 375 // These are the built-in uid -> permission mappings that were read from the 376 // etc/permissions.xml file. 377 final SparseArray<HashSet<String>> mSystemPermissions = 378 new SparseArray<HashSet<String>>(); 379 380 static final class SharedLibraryEntry { 381 final String path; 382 final String apk; 383 384 SharedLibraryEntry(String _path, String _apk) { 385 path = _path; 386 apk = _apk; 387 } 388 } 389 390 // These are the built-in shared libraries that were read from the 391 // etc/permissions.xml file. 392 final HashMap<String, SharedLibraryEntry> mSharedLibraries 393 = new HashMap<String, SharedLibraryEntry>(); 394 395 // Temporary for building the final shared libraries for an .apk. 396 String[] mTmpSharedLibraries = null; 397 398 // These are the features this devices supports that were read from the 399 // etc/permissions.xml file. 400 final HashMap<String, FeatureInfo> mAvailableFeatures = 401 new HashMap<String, FeatureInfo>(); 402 403 // If mac_permissions.xml was found for seinfo labeling. 404 boolean mFoundPolicyFile; 405 406 // If a recursive restorecon of /data/data/<pkg> is needed. 407 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 408 409 // All available activities, for your resolving pleasure. 410 final ActivityIntentResolver mActivities = 411 new ActivityIntentResolver(); 412 413 // All available receivers, for your resolving pleasure. 414 final ActivityIntentResolver mReceivers = 415 new ActivityIntentResolver(); 416 417 // All available services, for your resolving pleasure. 418 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 419 420 // All available providers, for your resolving pleasure. 421 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 422 423 // Mapping from provider base names (first directory in content URI codePath) 424 // to the provider information. 425 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 426 new HashMap<String, PackageParser.Provider>(); 427 428 // Mapping from instrumentation class names to info about them. 429 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 430 new HashMap<ComponentName, PackageParser.Instrumentation>(); 431 432 // Mapping from permission names to info about them. 433 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 434 new HashMap<String, PackageParser.PermissionGroup>(); 435 436 // Packages whose data we have transfered into another package, thus 437 // should no longer exist. 438 final HashSet<String> mTransferedPackages = new HashSet<String>(); 439 440 // Broadcast actions that are only available to the system. 441 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 442 443 /** List of packages waiting for verification. */ 444 final SparseArray<PackageVerificationState> mPendingVerification 445 = new SparseArray<PackageVerificationState>(); 446 447 HashSet<PackageParser.Package> mDeferredDexOpt = null; 448 449 /** Token for keys in mPendingVerification. */ 450 private int mPendingVerificationToken = 0; 451 452 boolean mSystemReady; 453 boolean mSafeMode; 454 boolean mHasSystemUidErrors; 455 456 ApplicationInfo mAndroidApplication; 457 final ActivityInfo mResolveActivity = new ActivityInfo(); 458 final ResolveInfo mResolveInfo = new ResolveInfo(); 459 ComponentName mResolveComponentName; 460 PackageParser.Package mPlatformPackage; 461 ComponentName mCustomResolverComponentName; 462 463 boolean mResolverReplaced = false; 464 465 // Set of pending broadcasts for aggregating enable/disable of components. 466 static class PendingPackageBroadcasts { 467 // for each user id, a map of <package name -> components within that package> 468 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 469 470 public PendingPackageBroadcasts() { 471 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 472 } 473 474 public ArrayList<String> get(int userId, String packageName) { 475 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 476 return packages.get(packageName); 477 } 478 479 public void put(int userId, String packageName, ArrayList<String> components) { 480 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 481 packages.put(packageName, components); 482 } 483 484 public void remove(int userId, String packageName) { 485 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 486 if (packages != null) { 487 packages.remove(packageName); 488 } 489 } 490 491 public void remove(int userId) { 492 mUidMap.remove(userId); 493 } 494 495 public int userIdCount() { 496 return mUidMap.size(); 497 } 498 499 public int userIdAt(int n) { 500 return mUidMap.keyAt(n); 501 } 502 503 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 504 return mUidMap.get(userId); 505 } 506 507 public int size() { 508 // total number of pending broadcast entries across all userIds 509 int num = 0; 510 for (int i = 0; i< mUidMap.size(); i++) { 511 num += mUidMap.valueAt(i).size(); 512 } 513 return num; 514 } 515 516 public void clear() { 517 mUidMap.clear(); 518 } 519 520 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 521 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 522 if (map == null) { 523 map = new HashMap<String, ArrayList<String>>(); 524 mUidMap.put(userId, map); 525 } 526 return map; 527 } 528 } 529 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 530 531 // Service Connection to remote media container service to copy 532 // package uri's from external media onto secure containers 533 // or internal storage. 534 private IMediaContainerService mContainerService = null; 535 536 static final int SEND_PENDING_BROADCAST = 1; 537 static final int MCS_BOUND = 3; 538 static final int END_COPY = 4; 539 static final int INIT_COPY = 5; 540 static final int MCS_UNBIND = 6; 541 static final int START_CLEANING_PACKAGE = 7; 542 static final int FIND_INSTALL_LOC = 8; 543 static final int POST_INSTALL = 9; 544 static final int MCS_RECONNECT = 10; 545 static final int MCS_GIVE_UP = 11; 546 static final int UPDATED_MEDIA_STATUS = 12; 547 static final int WRITE_SETTINGS = 13; 548 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 549 static final int PACKAGE_VERIFIED = 15; 550 static final int CHECK_PENDING_VERIFICATION = 16; 551 552 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 553 554 // Delay time in millisecs 555 static final int BROADCAST_DELAY = 10 * 1000; 556 557 static UserManagerService sUserManager; 558 559 // Stores a list of users whose package restrictions file needs to be updated 560 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 561 562 final private DefaultContainerConnection mDefContainerConn = 563 new DefaultContainerConnection(); 564 class DefaultContainerConnection implements ServiceConnection { 565 public void onServiceConnected(ComponentName name, IBinder service) { 566 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 567 IMediaContainerService imcs = 568 IMediaContainerService.Stub.asInterface(service); 569 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 570 } 571 572 public void onServiceDisconnected(ComponentName name) { 573 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 574 } 575 }; 576 577 // Recordkeeping of restore-after-install operations that are currently in flight 578 // between the Package Manager and the Backup Manager 579 class PostInstallData { 580 public InstallArgs args; 581 public PackageInstalledInfo res; 582 583 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 584 args = _a; 585 res = _r; 586 } 587 }; 588 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 589 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 590 591 private final String mRequiredVerifierPackage; 592 593 class PackageHandler extends Handler { 594 private boolean mBound = false; 595 final ArrayList<HandlerParams> mPendingInstalls = 596 new ArrayList<HandlerParams>(); 597 598 private boolean connectToService() { 599 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 600 " DefaultContainerService"); 601 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 602 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 603 if (mContext.bindServiceAsUser(service, mDefContainerConn, 604 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 605 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 606 mBound = true; 607 return true; 608 } 609 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 610 return false; 611 } 612 613 private void disconnectService() { 614 mContainerService = null; 615 mBound = false; 616 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 617 mContext.unbindService(mDefContainerConn); 618 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 619 } 620 621 PackageHandler(Looper looper) { 622 super(looper); 623 } 624 625 public void handleMessage(Message msg) { 626 try { 627 doHandleMessage(msg); 628 } finally { 629 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 630 } 631 } 632 633 void doHandleMessage(Message msg) { 634 switch (msg.what) { 635 case INIT_COPY: { 636 HandlerParams params = (HandlerParams) msg.obj; 637 int idx = mPendingInstalls.size(); 638 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 639 // If a bind was already initiated we dont really 640 // need to do anything. The pending install 641 // will be processed later on. 642 if (!mBound) { 643 // If this is the only one pending we might 644 // have to bind to the service again. 645 if (!connectToService()) { 646 Slog.e(TAG, "Failed to bind to media container service"); 647 params.serviceError(); 648 return; 649 } else { 650 // Once we bind to the service, the first 651 // pending request will be processed. 652 mPendingInstalls.add(idx, params); 653 } 654 } else { 655 mPendingInstalls.add(idx, params); 656 // Already bound to the service. Just make 657 // sure we trigger off processing the first request. 658 if (idx == 0) { 659 mHandler.sendEmptyMessage(MCS_BOUND); 660 } 661 } 662 break; 663 } 664 case MCS_BOUND: { 665 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 666 if (msg.obj != null) { 667 mContainerService = (IMediaContainerService) msg.obj; 668 } 669 if (mContainerService == null) { 670 // Something seriously wrong. Bail out 671 Slog.e(TAG, "Cannot bind to media container service"); 672 for (HandlerParams params : mPendingInstalls) { 673 // Indicate service bind error 674 params.serviceError(); 675 } 676 mPendingInstalls.clear(); 677 } else if (mPendingInstalls.size() > 0) { 678 HandlerParams params = mPendingInstalls.get(0); 679 if (params != null) { 680 if (params.startCopy()) { 681 // We are done... look for more work or to 682 // go idle. 683 if (DEBUG_SD_INSTALL) Log.i(TAG, 684 "Checking for more work or unbind..."); 685 // Delete pending install 686 if (mPendingInstalls.size() > 0) { 687 mPendingInstalls.remove(0); 688 } 689 if (mPendingInstalls.size() == 0) { 690 if (mBound) { 691 if (DEBUG_SD_INSTALL) Log.i(TAG, 692 "Posting delayed MCS_UNBIND"); 693 removeMessages(MCS_UNBIND); 694 Message ubmsg = obtainMessage(MCS_UNBIND); 695 // Unbind after a little delay, to avoid 696 // continual thrashing. 697 sendMessageDelayed(ubmsg, 10000); 698 } 699 } else { 700 // There are more pending requests in queue. 701 // Just post MCS_BOUND message to trigger processing 702 // of next pending install. 703 if (DEBUG_SD_INSTALL) Log.i(TAG, 704 "Posting MCS_BOUND for next work"); 705 mHandler.sendEmptyMessage(MCS_BOUND); 706 } 707 } 708 } 709 } else { 710 // Should never happen ideally. 711 Slog.w(TAG, "Empty queue"); 712 } 713 break; 714 } 715 case MCS_RECONNECT: { 716 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 717 if (mPendingInstalls.size() > 0) { 718 if (mBound) { 719 disconnectService(); 720 } 721 if (!connectToService()) { 722 Slog.e(TAG, "Failed to bind to media container service"); 723 for (HandlerParams params : mPendingInstalls) { 724 // Indicate service bind error 725 params.serviceError(); 726 } 727 mPendingInstalls.clear(); 728 } 729 } 730 break; 731 } 732 case MCS_UNBIND: { 733 // If there is no actual work left, then time to unbind. 734 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 735 736 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 737 if (mBound) { 738 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 739 740 disconnectService(); 741 } 742 } else if (mPendingInstalls.size() > 0) { 743 // There are more pending requests in queue. 744 // Just post MCS_BOUND message to trigger processing 745 // of next pending install. 746 mHandler.sendEmptyMessage(MCS_BOUND); 747 } 748 749 break; 750 } 751 case MCS_GIVE_UP: { 752 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 753 mPendingInstalls.remove(0); 754 break; 755 } 756 case SEND_PENDING_BROADCAST: { 757 String packages[]; 758 ArrayList<String> components[]; 759 int size = 0; 760 int uids[]; 761 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 762 synchronized (mPackages) { 763 if (mPendingBroadcasts == null) { 764 return; 765 } 766 size = mPendingBroadcasts.size(); 767 if (size <= 0) { 768 // Nothing to be done. Just return 769 return; 770 } 771 packages = new String[size]; 772 components = new ArrayList[size]; 773 uids = new int[size]; 774 int i = 0; // filling out the above arrays 775 776 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 777 int packageUserId = mPendingBroadcasts.userIdAt(n); 778 Iterator<Map.Entry<String, ArrayList<String>>> it 779 = mPendingBroadcasts.packagesForUserId(packageUserId) 780 .entrySet().iterator(); 781 while (it.hasNext() && i < size) { 782 Map.Entry<String, ArrayList<String>> ent = it.next(); 783 packages[i] = ent.getKey(); 784 components[i] = ent.getValue(); 785 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 786 uids[i] = (ps != null) 787 ? UserHandle.getUid(packageUserId, ps.appId) 788 : -1; 789 i++; 790 } 791 } 792 size = i; 793 mPendingBroadcasts.clear(); 794 } 795 // Send broadcasts 796 for (int i = 0; i < size; i++) { 797 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 798 } 799 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 800 break; 801 } 802 case START_CLEANING_PACKAGE: { 803 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 804 final String packageName = (String)msg.obj; 805 final int userId = msg.arg1; 806 final boolean andCode = msg.arg2 != 0; 807 synchronized (mPackages) { 808 if (userId == UserHandle.USER_ALL) { 809 int[] users = sUserManager.getUserIds(); 810 for (int user : users) { 811 mSettings.addPackageToCleanLPw( 812 new PackageCleanItem(user, packageName, andCode)); 813 } 814 } else { 815 mSettings.addPackageToCleanLPw( 816 new PackageCleanItem(userId, packageName, andCode)); 817 } 818 } 819 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 820 startCleaningPackages(); 821 } break; 822 case POST_INSTALL: { 823 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 824 PostInstallData data = mRunningInstalls.get(msg.arg1); 825 mRunningInstalls.delete(msg.arg1); 826 boolean deleteOld = false; 827 828 if (data != null) { 829 InstallArgs args = data.args; 830 PackageInstalledInfo res = data.res; 831 832 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 833 res.removedInfo.sendBroadcast(false, true, false); 834 Bundle extras = new Bundle(1); 835 extras.putInt(Intent.EXTRA_UID, res.uid); 836 // Determine the set of users who are adding this 837 // package for the first time vs. those who are seeing 838 // an update. 839 int[] firstUsers; 840 int[] updateUsers = new int[0]; 841 if (res.origUsers == null || res.origUsers.length == 0) { 842 firstUsers = res.newUsers; 843 } else { 844 firstUsers = new int[0]; 845 for (int i=0; i<res.newUsers.length; i++) { 846 int user = res.newUsers[i]; 847 boolean isNew = true; 848 for (int j=0; j<res.origUsers.length; j++) { 849 if (res.origUsers[j] == user) { 850 isNew = false; 851 break; 852 } 853 } 854 if (isNew) { 855 int[] newFirst = new int[firstUsers.length+1]; 856 System.arraycopy(firstUsers, 0, newFirst, 0, 857 firstUsers.length); 858 newFirst[firstUsers.length] = user; 859 firstUsers = newFirst; 860 } else { 861 int[] newUpdate = new int[updateUsers.length+1]; 862 System.arraycopy(updateUsers, 0, newUpdate, 0, 863 updateUsers.length); 864 newUpdate[updateUsers.length] = user; 865 updateUsers = newUpdate; 866 } 867 } 868 } 869 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 870 res.pkg.applicationInfo.packageName, 871 extras, null, null, firstUsers); 872 final boolean update = res.removedInfo.removedPackage != null; 873 if (update) { 874 extras.putBoolean(Intent.EXTRA_REPLACING, true); 875 } 876 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 877 res.pkg.applicationInfo.packageName, 878 extras, null, null, updateUsers); 879 if (update) { 880 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 881 res.pkg.applicationInfo.packageName, 882 extras, null, null, updateUsers); 883 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 884 null, null, 885 res.pkg.applicationInfo.packageName, null, updateUsers); 886 887 // treat asec-hosted packages like removable media on upgrade 888 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 889 if (DEBUG_INSTALL) { 890 Slog.i(TAG, "upgrading pkg " + res.pkg 891 + " is ASEC-hosted -> AVAILABLE"); 892 } 893 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 894 ArrayList<String> pkgList = new ArrayList<String>(1); 895 pkgList.add(res.pkg.applicationInfo.packageName); 896 sendResourcesChangedBroadcast(true, true, 897 pkgList,uidArray, null); 898 } 899 } 900 if (res.removedInfo.args != null) { 901 // Remove the replaced package's older resources safely now 902 deleteOld = true; 903 } 904 905 // Log current value of "unknown sources" setting 906 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 907 getUnknownSourcesSettings()); 908 } 909 // Force a gc to clear up things 910 Runtime.getRuntime().gc(); 911 // We delete after a gc for applications on sdcard. 912 if (deleteOld) { 913 synchronized (mInstallLock) { 914 res.removedInfo.args.doPostDeleteLI(true); 915 } 916 } 917 if (args.observer != null) { 918 try { 919 args.observer.packageInstalled(res.name, res.returnCode); 920 } catch (RemoteException e) { 921 Slog.i(TAG, "Observer no longer exists."); 922 } 923 } 924 if (args.observer2 != null) { 925 try { 926 Bundle extras = extrasForInstallResult(res); 927 args.observer2.packageInstalled(res.name, extras, res.returnCode); 928 } catch (RemoteException e) { 929 Slog.i(TAG, "Observer no longer exists."); 930 } 931 } 932 } else { 933 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 934 } 935 } break; 936 case UPDATED_MEDIA_STATUS: { 937 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 938 boolean reportStatus = msg.arg1 == 1; 939 boolean doGc = msg.arg2 == 1; 940 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 941 if (doGc) { 942 // Force a gc to clear up stale containers. 943 Runtime.getRuntime().gc(); 944 } 945 if (msg.obj != null) { 946 @SuppressWarnings("unchecked") 947 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 948 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 949 // Unload containers 950 unloadAllContainers(args); 951 } 952 if (reportStatus) { 953 try { 954 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 955 PackageHelper.getMountService().finishMediaUpdate(); 956 } catch (RemoteException e) { 957 Log.e(TAG, "MountService not running?"); 958 } 959 } 960 } break; 961 case WRITE_SETTINGS: { 962 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 963 synchronized (mPackages) { 964 removeMessages(WRITE_SETTINGS); 965 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 966 mSettings.writeLPr(); 967 mDirtyUsers.clear(); 968 } 969 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 970 } break; 971 case WRITE_PACKAGE_RESTRICTIONS: { 972 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 973 synchronized (mPackages) { 974 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 975 for (int userId : mDirtyUsers) { 976 mSettings.writePackageRestrictionsLPr(userId); 977 } 978 mDirtyUsers.clear(); 979 } 980 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 981 } break; 982 case CHECK_PENDING_VERIFICATION: { 983 final int verificationId = msg.arg1; 984 final PackageVerificationState state = mPendingVerification.get(verificationId); 985 986 if ((state != null) && !state.timeoutExtended()) { 987 final InstallArgs args = state.getInstallArgs(); 988 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 989 mPendingVerification.remove(verificationId); 990 991 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 992 993 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 994 Slog.i(TAG, "Continuing with installation of " 995 + args.packageURI.toString()); 996 state.setVerifierResponse(Binder.getCallingUid(), 997 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 998 broadcastPackageVerified(verificationId, args.packageURI, 999 PackageManager.VERIFICATION_ALLOW, 1000 state.getInstallArgs().getUser()); 1001 try { 1002 ret = args.copyApk(mContainerService, true); 1003 } catch (RemoteException e) { 1004 Slog.e(TAG, "Could not contact the ContainerService"); 1005 } 1006 } else { 1007 broadcastPackageVerified(verificationId, args.packageURI, 1008 PackageManager.VERIFICATION_REJECT, 1009 state.getInstallArgs().getUser()); 1010 } 1011 1012 processPendingInstall(args, ret); 1013 mHandler.sendEmptyMessage(MCS_UNBIND); 1014 } 1015 break; 1016 } 1017 case PACKAGE_VERIFIED: { 1018 final int verificationId = msg.arg1; 1019 1020 final PackageVerificationState state = mPendingVerification.get(verificationId); 1021 if (state == null) { 1022 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1023 break; 1024 } 1025 1026 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1027 1028 state.setVerifierResponse(response.callerUid, response.code); 1029 1030 if (state.isVerificationComplete()) { 1031 mPendingVerification.remove(verificationId); 1032 1033 final InstallArgs args = state.getInstallArgs(); 1034 1035 int ret; 1036 if (state.isInstallAllowed()) { 1037 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1038 broadcastPackageVerified(verificationId, args.packageURI, 1039 response.code, state.getInstallArgs().getUser()); 1040 try { 1041 ret = args.copyApk(mContainerService, true); 1042 } catch (RemoteException e) { 1043 Slog.e(TAG, "Could not contact the ContainerService"); 1044 } 1045 } else { 1046 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1047 } 1048 1049 processPendingInstall(args, ret); 1050 1051 mHandler.sendEmptyMessage(MCS_UNBIND); 1052 } 1053 1054 break; 1055 } 1056 } 1057 } 1058 } 1059 1060 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1061 Bundle extras = null; 1062 switch (res.returnCode) { 1063 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1064 extras = new Bundle(); 1065 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1066 res.origPermission); 1067 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1068 res.origPackage); 1069 break; 1070 } 1071 } 1072 return extras; 1073 } 1074 1075 void scheduleWriteSettingsLocked() { 1076 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1077 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1078 } 1079 } 1080 1081 void scheduleWritePackageRestrictionsLocked(int userId) { 1082 if (!sUserManager.exists(userId)) return; 1083 mDirtyUsers.add(userId); 1084 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1085 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1086 } 1087 } 1088 1089 public static final IPackageManager main(Context context, Installer installer, 1090 boolean factoryTest, boolean onlyCore) { 1091 PackageManagerService m = new PackageManagerService(context, installer, 1092 factoryTest, onlyCore); 1093 ServiceManager.addService("package", m); 1094 return m; 1095 } 1096 1097 static String[] splitString(String str, char sep) { 1098 int count = 1; 1099 int i = 0; 1100 while ((i=str.indexOf(sep, i)) >= 0) { 1101 count++; 1102 i++; 1103 } 1104 1105 String[] res = new String[count]; 1106 i=0; 1107 count = 0; 1108 int lastI=0; 1109 while ((i=str.indexOf(sep, i)) >= 0) { 1110 res[count] = str.substring(lastI, i); 1111 count++; 1112 i++; 1113 lastI = i; 1114 } 1115 res[count] = str.substring(lastI, str.length()); 1116 return res; 1117 } 1118 1119 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1120 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1121 Context.DISPLAY_SERVICE); 1122 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1123 } 1124 1125 public PackageManagerService(Context context, Installer installer, 1126 boolean factoryTest, boolean onlyCore) { 1127 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1128 SystemClock.uptimeMillis()); 1129 1130 if (mSdkVersion <= 0) { 1131 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1132 } 1133 1134 mContext = context; 1135 mFactoryTest = factoryTest; 1136 mOnlyCore = onlyCore; 1137 mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1138 mMetrics = new DisplayMetrics(); 1139 mSettings = new Settings(context); 1140 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1141 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1142 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1143 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1144 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1145 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1146 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1147 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1148 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1149 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1150 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1151 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1152 1153 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1154 if (separateProcesses != null && separateProcesses.length() > 0) { 1155 if ("*".equals(separateProcesses)) { 1156 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1157 mSeparateProcesses = null; 1158 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1159 } else { 1160 mDefParseFlags = 0; 1161 mSeparateProcesses = separateProcesses.split(","); 1162 Slog.w(TAG, "Running with debug.separate_processes: " 1163 + separateProcesses); 1164 } 1165 } else { 1166 mDefParseFlags = 0; 1167 mSeparateProcesses = null; 1168 } 1169 1170 mInstaller = installer; 1171 1172 getDefaultDisplayMetrics(context, mMetrics); 1173 1174 synchronized (mInstallLock) { 1175 // writer 1176 synchronized (mPackages) { 1177 mHandlerThread = new ServiceThread(TAG, 1178 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1179 mHandlerThread.start(); 1180 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1181 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1182 1183 File dataDir = Environment.getDataDirectory(); 1184 mAppDataDir = new File(dataDir, "data"); 1185 mAppInstallDir = new File(dataDir, "app"); 1186 mAppLibInstallDir = new File(dataDir, "app-lib"); 1187 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1188 mUserAppDataDir = new File(dataDir, "user"); 1189 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1190 1191 sUserManager = new UserManagerService(context, this, 1192 mInstallLock, mPackages); 1193 1194 // Read permissions and features from system 1195 readPermissions(Environment.buildPath( 1196 Environment.getRootDirectory(), "etc", "permissions"), false); 1197 // Only read features from OEM 1198 readPermissions(Environment.buildPath( 1199 Environment.getOemDirectory(), "etc", "permissions"), true); 1200 1201 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1202 1203 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1204 mSdkVersion, mOnlyCore); 1205 1206 String customResolverActivity = Resources.getSystem().getString( 1207 R.string.config_customResolverActivity); 1208 if (TextUtils.isEmpty(customResolverActivity)) { 1209 customResolverActivity = null; 1210 } else { 1211 mCustomResolverComponentName = ComponentName.unflattenFromString( 1212 customResolverActivity); 1213 } 1214 1215 long startTime = SystemClock.uptimeMillis(); 1216 1217 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1218 startTime); 1219 1220 // Set flag to monitor and not change apk file paths when 1221 // scanning install directories. 1222 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1223 if (mNoDexOpt) { 1224 Slog.w(TAG, "Running ENG build: no pre-dexopt!"); 1225 scanMode |= SCAN_NO_DEX; 1226 } 1227 1228 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1229 1230 /** 1231 * Add everything in the in the boot class path to the 1232 * list of process files because dexopt will have been run 1233 * if necessary during zygote startup. 1234 */ 1235 String bootClassPath = System.getProperty("java.boot.class.path"); 1236 if (bootClassPath != null) { 1237 String[] paths = splitString(bootClassPath, ':'); 1238 for (int i=0; i<paths.length; i++) { 1239 alreadyDexOpted.add(paths[i]); 1240 } 1241 } else { 1242 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1243 } 1244 1245 boolean didDexOpt = false; 1246 1247 /** 1248 * Ensure all external libraries have had dexopt run on them. 1249 */ 1250 if (mSharedLibraries.size() > 0) { 1251 Iterator<SharedLibraryEntry> libs = mSharedLibraries.values().iterator(); 1252 while (libs.hasNext()) { 1253 String lib = libs.next().path; 1254 if (lib == null) { 1255 continue; 1256 } 1257 try { 1258 if (dalvik.system.DexFile.isDexOptNeededInternal(lib, null, false)) { 1259 alreadyDexOpted.add(lib); 1260 mInstaller.dexopt(lib, Process.SYSTEM_UID, true); 1261 didDexOpt = true; 1262 } 1263 } catch (FileNotFoundException e) { 1264 Slog.w(TAG, "Library not found: " + lib); 1265 } catch (IOException e) { 1266 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1267 + e.getMessage()); 1268 } 1269 } 1270 } 1271 1272 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1273 1274 // Gross hack for now: we know this file doesn't contain any 1275 // code, so don't dexopt it to avoid the resulting log spew. 1276 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1277 1278 // Gross hack for now: we know this file is only part of 1279 // the boot class path for art, so don't dexopt it to 1280 // avoid the resulting log spew. 1281 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1282 1283 /** 1284 * And there are a number of commands implemented in Java, which 1285 * we currently need to do the dexopt on so that they can be 1286 * run from a non-root shell. 1287 */ 1288 String[] frameworkFiles = frameworkDir.list(); 1289 if (frameworkFiles != null) { 1290 for (int i=0; i<frameworkFiles.length; i++) { 1291 File libPath = new File(frameworkDir, frameworkFiles[i]); 1292 String path = libPath.getPath(); 1293 // Skip the file if we alrady did it. 1294 if (alreadyDexOpted.contains(path)) { 1295 continue; 1296 } 1297 // Skip the file if it is not a type we want to dexopt. 1298 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1299 continue; 1300 } 1301 try { 1302 if (dalvik.system.DexFile.isDexOptNeededInternal(path, null, false)) { 1303 mInstaller.dexopt(path, Process.SYSTEM_UID, true); 1304 didDexOpt = true; 1305 } 1306 } catch (FileNotFoundException e) { 1307 Slog.w(TAG, "Jar not found: " + path); 1308 } catch (IOException e) { 1309 Slog.w(TAG, "Exception reading jar: " + path, e); 1310 } 1311 } 1312 } 1313 1314 if (didDexOpt) { 1315 File dalvikCacheDir = new File(dataDir, "dalvik-cache"); 1316 1317 // If we had to do a dexopt of one of the previous 1318 // things, then something on the system has changed. 1319 // Consider this significant, and wipe away all other 1320 // existing dexopt files to ensure we don't leave any 1321 // dangling around. 1322 String[] files = dalvikCacheDir.list(); 1323 if (files != null) { 1324 for (int i=0; i<files.length; i++) { 1325 String fn = files[i]; 1326 if (fn.startsWith("data@app@") 1327 || fn.startsWith("data@app-private@")) { 1328 Slog.i(TAG, "Pruning dalvik file: " + fn); 1329 (new File(dalvikCacheDir, fn)).delete(); 1330 } 1331 } 1332 } 1333 } 1334 1335 // Collect vendor overlay packages. 1336 // (Do this before scanning any apps.) 1337 // For security and version matching reason, only consider 1338 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1339 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1340 mVendorOverlayInstallObserver = new AppDirObserver( 1341 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1342 mVendorOverlayInstallObserver.startWatching(); 1343 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1344 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1345 1346 // Find base frameworks (resource packages without code). 1347 mFrameworkInstallObserver = new AppDirObserver( 1348 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1349 mFrameworkInstallObserver.startWatching(); 1350 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1351 | PackageParser.PARSE_IS_SYSTEM_DIR 1352 | PackageParser.PARSE_IS_PRIVILEGED, 1353 scanMode | SCAN_NO_DEX, 0); 1354 1355 // Collected privileged system packages. 1356 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1357 mPrivilegedInstallObserver = new AppDirObserver( 1358 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1359 mPrivilegedInstallObserver.startWatching(); 1360 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1361 | PackageParser.PARSE_IS_SYSTEM_DIR 1362 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1363 1364 // Collect ordinary system packages. 1365 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1366 mSystemInstallObserver = new AppDirObserver( 1367 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1368 mSystemInstallObserver.startWatching(); 1369 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1370 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1371 1372 // Collect all vendor packages. 1373 File vendorAppDir = new File("/vendor/app"); 1374 try { 1375 vendorAppDir = vendorAppDir.getCanonicalFile(); 1376 } catch (IOException e) { 1377 // failed to look up canonical path, continue with original one 1378 } 1379 mVendorInstallObserver = new AppDirObserver( 1380 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1381 mVendorInstallObserver.startWatching(); 1382 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1383 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1384 1385 // Collect all OEM packages. 1386 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1387 mOemInstallObserver = new AppDirObserver( 1388 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1389 mOemInstallObserver.startWatching(); 1390 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1391 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1392 1393 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1394 mInstaller.moveFiles(); 1395 1396 // Prune any system packages that no longer exist. 1397 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1398 if (!mOnlyCore) { 1399 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1400 while (psit.hasNext()) { 1401 PackageSetting ps = psit.next(); 1402 1403 /* 1404 * If this is not a system app, it can't be a 1405 * disable system app. 1406 */ 1407 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1408 continue; 1409 } 1410 1411 /* 1412 * If the package is scanned, it's not erased. 1413 */ 1414 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1415 if (scannedPkg != null) { 1416 /* 1417 * If the system app is both scanned and in the 1418 * disabled packages list, then it must have been 1419 * added via OTA. Remove it from the currently 1420 * scanned package so the previously user-installed 1421 * application can be scanned. 1422 */ 1423 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1424 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1425 + "; removing system app"); 1426 removePackageLI(ps, true); 1427 } 1428 1429 continue; 1430 } 1431 1432 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1433 psit.remove(); 1434 String msg = "System package " + ps.name 1435 + " no longer exists; wiping its data"; 1436 reportSettingsProblem(Log.WARN, msg); 1437 removeDataDirsLI(ps.name); 1438 } else { 1439 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1440 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1441 possiblyDeletedUpdatedSystemApps.add(ps.name); 1442 } 1443 } 1444 } 1445 } 1446 1447 //look for any incomplete package installations 1448 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1449 //clean up list 1450 for(int i = 0; i < deletePkgsList.size(); i++) { 1451 //clean up here 1452 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1453 } 1454 //delete tmp files 1455 deleteTempPackageFiles(); 1456 1457 // Remove any shared userIDs that have no associated packages 1458 mSettings.pruneSharedUsersLPw(); 1459 1460 if (!mOnlyCore) { 1461 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1462 SystemClock.uptimeMillis()); 1463 mAppInstallObserver = new AppDirObserver( 1464 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1465 mAppInstallObserver.startWatching(); 1466 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1467 1468 mDrmAppInstallObserver = new AppDirObserver( 1469 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1470 mDrmAppInstallObserver.startWatching(); 1471 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1472 scanMode, 0); 1473 1474 /** 1475 * Remove disable package settings for any updated system 1476 * apps that were removed via an OTA. If they're not a 1477 * previously-updated app, remove them completely. 1478 * Otherwise, just revoke their system-level permissions. 1479 */ 1480 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1481 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1482 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1483 1484 String msg; 1485 if (deletedPkg == null) { 1486 msg = "Updated system package " + deletedAppName 1487 + " no longer exists; wiping its data"; 1488 removeDataDirsLI(deletedAppName); 1489 } else { 1490 msg = "Updated system app + " + deletedAppName 1491 + " no longer present; removing system privileges for " 1492 + deletedAppName; 1493 1494 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1495 1496 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1497 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1498 } 1499 reportSettingsProblem(Log.WARN, msg); 1500 } 1501 } else { 1502 mAppInstallObserver = null; 1503 mDrmAppInstallObserver = null; 1504 } 1505 1506 // Now that we know all of the shared libraries, update all clients to have 1507 // the correct library paths. 1508 updateAllSharedLibrariesLPw(); 1509 1510 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1511 SystemClock.uptimeMillis()); 1512 Slog.i(TAG, "Time to scan packages: " 1513 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1514 + " seconds"); 1515 1516 // If the platform SDK has changed since the last time we booted, 1517 // we need to re-grant app permission to catch any new ones that 1518 // appear. This is really a hack, and means that apps can in some 1519 // cases get permissions that the user didn't initially explicitly 1520 // allow... it would be nice to have some better way to handle 1521 // this situation. 1522 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1523 != mSdkVersion; 1524 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1525 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1526 + "; regranting permissions for internal storage"); 1527 mSettings.mInternalSdkPlatform = mSdkVersion; 1528 1529 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1530 | (regrantPermissions 1531 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1532 : 0)); 1533 1534 // If this is the first boot, and it is a normal boot, then 1535 // we need to initialize the default preferred apps. 1536 if (!mRestoredSettings && !onlyCore) { 1537 mSettings.readDefaultPreferredAppsLPw(this, 0); 1538 } 1539 1540 // All the changes are done during package scanning. 1541 mSettings.updateInternalDatabaseVersion(); 1542 1543 // can downgrade to reader 1544 mSettings.writeLPr(); 1545 1546 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1547 SystemClock.uptimeMillis()); 1548 1549 // Now after opening every single application zip, make sure they 1550 // are all flushed. Not really needed, but keeps things nice and 1551 // tidy. 1552 Runtime.getRuntime().gc(); 1553 1554 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1555 } // synchronized (mPackages) 1556 } // synchronized (mInstallLock) 1557 } 1558 1559 public boolean isFirstBoot() { 1560 return !mRestoredSettings; 1561 } 1562 1563 public boolean isOnlyCoreApps() { 1564 return mOnlyCore; 1565 } 1566 1567 private String getRequiredVerifierLPr() { 1568 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1569 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1570 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1571 1572 String requiredVerifier = null; 1573 1574 final int N = receivers.size(); 1575 for (int i = 0; i < N; i++) { 1576 final ResolveInfo info = receivers.get(i); 1577 1578 if (info.activityInfo == null) { 1579 continue; 1580 } 1581 1582 final String packageName = info.activityInfo.packageName; 1583 1584 final PackageSetting ps = mSettings.mPackages.get(packageName); 1585 if (ps == null) { 1586 continue; 1587 } 1588 1589 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1590 if (!gp.grantedPermissions 1591 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1592 continue; 1593 } 1594 1595 if (requiredVerifier != null) { 1596 throw new RuntimeException("There can be only one required verifier"); 1597 } 1598 1599 requiredVerifier = packageName; 1600 } 1601 1602 return requiredVerifier; 1603 } 1604 1605 @Override 1606 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1607 throws RemoteException { 1608 try { 1609 return super.onTransact(code, data, reply, flags); 1610 } catch (RuntimeException e) { 1611 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1612 Slog.wtf(TAG, "Package Manager Crash", e); 1613 } 1614 throw e; 1615 } 1616 } 1617 1618 void cleanupInstallFailedPackage(PackageSetting ps) { 1619 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1620 removeDataDirsLI(ps.name); 1621 if (ps.codePath != null) { 1622 if (!ps.codePath.delete()) { 1623 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1624 } 1625 } 1626 if (ps.resourcePath != null) { 1627 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1628 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1629 } 1630 } 1631 mSettings.removePackageLPw(ps.name); 1632 } 1633 1634 void readPermissions(File libraryDir, boolean onlyFeatures) { 1635 // Read permissions from .../etc/permission directory. 1636 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1637 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1638 return; 1639 } 1640 if (!libraryDir.canRead()) { 1641 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1642 return; 1643 } 1644 1645 // Iterate over the files in the directory and scan .xml files 1646 for (File f : libraryDir.listFiles()) { 1647 // We'll read platform.xml last 1648 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1649 continue; 1650 } 1651 1652 if (!f.getPath().endsWith(".xml")) { 1653 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1654 continue; 1655 } 1656 if (!f.canRead()) { 1657 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1658 continue; 1659 } 1660 1661 readPermissionsFromXml(f, onlyFeatures); 1662 } 1663 1664 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1665 final File permFile = new File(Environment.getRootDirectory(), 1666 "etc/permissions/platform.xml"); 1667 readPermissionsFromXml(permFile, onlyFeatures); 1668 } 1669 1670 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1671 FileReader permReader = null; 1672 try { 1673 permReader = new FileReader(permFile); 1674 } catch (FileNotFoundException e) { 1675 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1676 return; 1677 } 1678 1679 try { 1680 XmlPullParser parser = Xml.newPullParser(); 1681 parser.setInput(permReader); 1682 1683 XmlUtils.beginDocument(parser, "permissions"); 1684 1685 while (true) { 1686 XmlUtils.nextElement(parser); 1687 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1688 break; 1689 } 1690 1691 String name = parser.getName(); 1692 if ("group".equals(name) && !onlyFeatures) { 1693 String gidStr = parser.getAttributeValue(null, "gid"); 1694 if (gidStr != null) { 1695 int gid = Process.getGidForName(gidStr); 1696 mGlobalGids = appendInt(mGlobalGids, gid); 1697 } else { 1698 Slog.w(TAG, "<group> without gid at " 1699 + parser.getPositionDescription()); 1700 } 1701 1702 XmlUtils.skipCurrentTag(parser); 1703 continue; 1704 } else if ("permission".equals(name) && !onlyFeatures) { 1705 String perm = parser.getAttributeValue(null, "name"); 1706 if (perm == null) { 1707 Slog.w(TAG, "<permission> without name at " 1708 + parser.getPositionDescription()); 1709 XmlUtils.skipCurrentTag(parser); 1710 continue; 1711 } 1712 perm = perm.intern(); 1713 readPermission(parser, perm); 1714 1715 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1716 String perm = parser.getAttributeValue(null, "name"); 1717 if (perm == null) { 1718 Slog.w(TAG, "<assign-permission> without name at " 1719 + parser.getPositionDescription()); 1720 XmlUtils.skipCurrentTag(parser); 1721 continue; 1722 } 1723 String uidStr = parser.getAttributeValue(null, "uid"); 1724 if (uidStr == null) { 1725 Slog.w(TAG, "<assign-permission> without uid at " 1726 + parser.getPositionDescription()); 1727 XmlUtils.skipCurrentTag(parser); 1728 continue; 1729 } 1730 int uid = Process.getUidForName(uidStr); 1731 if (uid < 0) { 1732 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1733 + uidStr + "\" at " 1734 + parser.getPositionDescription()); 1735 XmlUtils.skipCurrentTag(parser); 1736 continue; 1737 } 1738 perm = perm.intern(); 1739 HashSet<String> perms = mSystemPermissions.get(uid); 1740 if (perms == null) { 1741 perms = new HashSet<String>(); 1742 mSystemPermissions.put(uid, perms); 1743 } 1744 perms.add(perm); 1745 XmlUtils.skipCurrentTag(parser); 1746 1747 } else if ("library".equals(name) && !onlyFeatures) { 1748 String lname = parser.getAttributeValue(null, "name"); 1749 String lfile = parser.getAttributeValue(null, "file"); 1750 if (lname == null) { 1751 Slog.w(TAG, "<library> without name at " 1752 + parser.getPositionDescription()); 1753 } else if (lfile == null) { 1754 Slog.w(TAG, "<library> without file at " 1755 + parser.getPositionDescription()); 1756 } else { 1757 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1758 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1759 } 1760 XmlUtils.skipCurrentTag(parser); 1761 continue; 1762 1763 } else if ("feature".equals(name)) { 1764 String fname = parser.getAttributeValue(null, "name"); 1765 if (fname == null) { 1766 Slog.w(TAG, "<feature> without name at " 1767 + parser.getPositionDescription()); 1768 } else { 1769 //Log.i(TAG, "Got feature " + fname); 1770 FeatureInfo fi = new FeatureInfo(); 1771 fi.name = fname; 1772 mAvailableFeatures.put(fname, fi); 1773 } 1774 XmlUtils.skipCurrentTag(parser); 1775 continue; 1776 1777 } else { 1778 XmlUtils.skipCurrentTag(parser); 1779 continue; 1780 } 1781 1782 } 1783 permReader.close(); 1784 } catch (XmlPullParserException e) { 1785 Slog.w(TAG, "Got execption parsing permissions.", e); 1786 } catch (IOException e) { 1787 Slog.w(TAG, "Got execption parsing permissions.", e); 1788 } 1789 } 1790 1791 void readPermission(XmlPullParser parser, String name) 1792 throws IOException, XmlPullParserException { 1793 1794 name = name.intern(); 1795 1796 BasePermission bp = mSettings.mPermissions.get(name); 1797 if (bp == null) { 1798 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1799 mSettings.mPermissions.put(name, bp); 1800 } 1801 int outerDepth = parser.getDepth(); 1802 int type; 1803 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1804 && (type != XmlPullParser.END_TAG 1805 || parser.getDepth() > outerDepth)) { 1806 if (type == XmlPullParser.END_TAG 1807 || type == XmlPullParser.TEXT) { 1808 continue; 1809 } 1810 1811 String tagName = parser.getName(); 1812 if ("group".equals(tagName)) { 1813 String gidStr = parser.getAttributeValue(null, "gid"); 1814 if (gidStr != null) { 1815 int gid = Process.getGidForName(gidStr); 1816 bp.gids = appendInt(bp.gids, gid); 1817 } else { 1818 Slog.w(TAG, "<group> without gid at " 1819 + parser.getPositionDescription()); 1820 } 1821 } 1822 XmlUtils.skipCurrentTag(parser); 1823 } 1824 } 1825 1826 static int[] appendInts(int[] cur, int[] add) { 1827 if (add == null) return cur; 1828 if (cur == null) return add; 1829 final int N = add.length; 1830 for (int i=0; i<N; i++) { 1831 cur = appendInt(cur, add[i]); 1832 } 1833 return cur; 1834 } 1835 1836 static int[] removeInts(int[] cur, int[] rem) { 1837 if (rem == null) return cur; 1838 if (cur == null) return cur; 1839 final int N = rem.length; 1840 for (int i=0; i<N; i++) { 1841 cur = removeInt(cur, rem[i]); 1842 } 1843 return cur; 1844 } 1845 1846 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1847 if (!sUserManager.exists(userId)) return null; 1848 PackageInfo pi; 1849 final PackageSetting ps = (PackageSetting) p.mExtras; 1850 if (ps == null) { 1851 return null; 1852 } 1853 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1854 final PackageUserState state = ps.readUserState(userId); 1855 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1856 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1857 state, userId); 1858 } 1859 1860 public boolean isPackageAvailable(String packageName, int userId) { 1861 if (!sUserManager.exists(userId)) return false; 1862 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1863 synchronized (mPackages) { 1864 PackageParser.Package p = mPackages.get(packageName); 1865 if (p != null) { 1866 final PackageSetting ps = (PackageSetting) p.mExtras; 1867 if (ps != null) { 1868 final PackageUserState state = ps.readUserState(userId); 1869 if (state != null) { 1870 return PackageParser.isAvailable(state); 1871 } 1872 } 1873 } 1874 } 1875 return false; 1876 } 1877 1878 @Override 1879 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1880 if (!sUserManager.exists(userId)) return null; 1881 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1882 // reader 1883 synchronized (mPackages) { 1884 PackageParser.Package p = mPackages.get(packageName); 1885 if (DEBUG_PACKAGE_INFO) 1886 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1887 if (p != null) { 1888 return generatePackageInfo(p, flags, userId); 1889 } 1890 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1891 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1892 } 1893 } 1894 return null; 1895 } 1896 1897 public String[] currentToCanonicalPackageNames(String[] names) { 1898 String[] out = new String[names.length]; 1899 // reader 1900 synchronized (mPackages) { 1901 for (int i=names.length-1; i>=0; i--) { 1902 PackageSetting ps = mSettings.mPackages.get(names[i]); 1903 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1904 } 1905 } 1906 return out; 1907 } 1908 1909 public String[] canonicalToCurrentPackageNames(String[] names) { 1910 String[] out = new String[names.length]; 1911 // reader 1912 synchronized (mPackages) { 1913 for (int i=names.length-1; i>=0; i--) { 1914 String cur = mSettings.mRenamedPackages.get(names[i]); 1915 out[i] = cur != null ? cur : names[i]; 1916 } 1917 } 1918 return out; 1919 } 1920 1921 @Override 1922 public int getPackageUid(String packageName, int userId) { 1923 if (!sUserManager.exists(userId)) return -1; 1924 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1925 // reader 1926 synchronized (mPackages) { 1927 PackageParser.Package p = mPackages.get(packageName); 1928 if(p != null) { 1929 return UserHandle.getUid(userId, p.applicationInfo.uid); 1930 } 1931 PackageSetting ps = mSettings.mPackages.get(packageName); 1932 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1933 return -1; 1934 } 1935 p = ps.pkg; 1936 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1937 } 1938 } 1939 1940 @Override 1941 public int[] getPackageGids(String packageName) { 1942 // reader 1943 synchronized (mPackages) { 1944 PackageParser.Package p = mPackages.get(packageName); 1945 if (DEBUG_PACKAGE_INFO) 1946 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1947 if (p != null) { 1948 final PackageSetting ps = (PackageSetting)p.mExtras; 1949 return ps.getGids(); 1950 } 1951 } 1952 // stupid thing to indicate an error. 1953 return new int[0]; 1954 } 1955 1956 static final PermissionInfo generatePermissionInfo( 1957 BasePermission bp, int flags) { 1958 if (bp.perm != null) { 1959 return PackageParser.generatePermissionInfo(bp.perm, flags); 1960 } 1961 PermissionInfo pi = new PermissionInfo(); 1962 pi.name = bp.name; 1963 pi.packageName = bp.sourcePackage; 1964 pi.nonLocalizedLabel = bp.name; 1965 pi.protectionLevel = bp.protectionLevel; 1966 return pi; 1967 } 1968 1969 public PermissionInfo getPermissionInfo(String name, int flags) { 1970 // reader 1971 synchronized (mPackages) { 1972 final BasePermission p = mSettings.mPermissions.get(name); 1973 if (p != null) { 1974 return generatePermissionInfo(p, flags); 1975 } 1976 return null; 1977 } 1978 } 1979 1980 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 1981 // reader 1982 synchronized (mPackages) { 1983 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 1984 for (BasePermission p : mSettings.mPermissions.values()) { 1985 if (group == null) { 1986 if (p.perm == null || p.perm.info.group == null) { 1987 out.add(generatePermissionInfo(p, flags)); 1988 } 1989 } else { 1990 if (p.perm != null && group.equals(p.perm.info.group)) { 1991 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 1992 } 1993 } 1994 } 1995 1996 if (out.size() > 0) { 1997 return out; 1998 } 1999 return mPermissionGroups.containsKey(group) ? out : null; 2000 } 2001 } 2002 2003 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2004 // reader 2005 synchronized (mPackages) { 2006 return PackageParser.generatePermissionGroupInfo( 2007 mPermissionGroups.get(name), flags); 2008 } 2009 } 2010 2011 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2012 // reader 2013 synchronized (mPackages) { 2014 final int N = mPermissionGroups.size(); 2015 ArrayList<PermissionGroupInfo> out 2016 = new ArrayList<PermissionGroupInfo>(N); 2017 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2018 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2019 } 2020 return out; 2021 } 2022 } 2023 2024 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2025 int userId) { 2026 if (!sUserManager.exists(userId)) return null; 2027 PackageSetting ps = mSettings.mPackages.get(packageName); 2028 if (ps != null) { 2029 if (ps.pkg == null) { 2030 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2031 flags, userId); 2032 if (pInfo != null) { 2033 return pInfo.applicationInfo; 2034 } 2035 return null; 2036 } 2037 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2038 ps.readUserState(userId), userId); 2039 } 2040 return null; 2041 } 2042 2043 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2044 int userId) { 2045 if (!sUserManager.exists(userId)) return null; 2046 PackageSetting ps = mSettings.mPackages.get(packageName); 2047 if (ps != null) { 2048 PackageParser.Package pkg = ps.pkg; 2049 if (pkg == null) { 2050 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2051 return null; 2052 } 2053 pkg = new PackageParser.Package(packageName); 2054 pkg.applicationInfo.packageName = packageName; 2055 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2056 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2057 pkg.applicationInfo.sourceDir = ps.codePathString; 2058 pkg.applicationInfo.dataDir = 2059 getDataPathForPackage(packageName, 0).getPath(); 2060 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2061 pkg.applicationInfo.requiredCpuAbi = ps.requiredCpuAbiString; 2062 } 2063 return generatePackageInfo(pkg, flags, userId); 2064 } 2065 return null; 2066 } 2067 2068 @Override 2069 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2070 if (!sUserManager.exists(userId)) return null; 2071 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2072 // writer 2073 synchronized (mPackages) { 2074 PackageParser.Package p = mPackages.get(packageName); 2075 if (DEBUG_PACKAGE_INFO) Log.v( 2076 TAG, "getApplicationInfo " + packageName 2077 + ": " + p); 2078 if (p != null) { 2079 PackageSetting ps = mSettings.mPackages.get(packageName); 2080 if (ps == null) return null; 2081 // Note: isEnabledLP() does not apply here - always return info 2082 return PackageParser.generateApplicationInfo( 2083 p, flags, ps.readUserState(userId), userId); 2084 } 2085 if ("android".equals(packageName)||"system".equals(packageName)) { 2086 return mAndroidApplication; 2087 } 2088 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2089 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2090 } 2091 } 2092 return null; 2093 } 2094 2095 2096 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2097 mContext.enforceCallingOrSelfPermission( 2098 android.Manifest.permission.CLEAR_APP_CACHE, null); 2099 // Queue up an async operation since clearing cache may take a little while. 2100 mHandler.post(new Runnable() { 2101 public void run() { 2102 mHandler.removeCallbacks(this); 2103 int retCode = -1; 2104 synchronized (mInstallLock) { 2105 retCode = mInstaller.freeCache(freeStorageSize); 2106 if (retCode < 0) { 2107 Slog.w(TAG, "Couldn't clear application caches"); 2108 } 2109 } 2110 if (observer != null) { 2111 try { 2112 observer.onRemoveCompleted(null, (retCode >= 0)); 2113 } catch (RemoteException e) { 2114 Slog.w(TAG, "RemoveException when invoking call back"); 2115 } 2116 } 2117 } 2118 }); 2119 } 2120 2121 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2122 mContext.enforceCallingOrSelfPermission( 2123 android.Manifest.permission.CLEAR_APP_CACHE, null); 2124 // Queue up an async operation since clearing cache may take a little while. 2125 mHandler.post(new Runnable() { 2126 public void run() { 2127 mHandler.removeCallbacks(this); 2128 int retCode = -1; 2129 synchronized (mInstallLock) { 2130 retCode = mInstaller.freeCache(freeStorageSize); 2131 if (retCode < 0) { 2132 Slog.w(TAG, "Couldn't clear application caches"); 2133 } 2134 } 2135 if(pi != null) { 2136 try { 2137 // Callback via pending intent 2138 int code = (retCode >= 0) ? 1 : 0; 2139 pi.sendIntent(null, code, null, 2140 null, null); 2141 } catch (SendIntentException e1) { 2142 Slog.i(TAG, "Failed to send pending intent"); 2143 } 2144 } 2145 } 2146 }); 2147 } 2148 2149 @Override 2150 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2151 if (!sUserManager.exists(userId)) return null; 2152 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2153 synchronized (mPackages) { 2154 PackageParser.Activity a = mActivities.mActivities.get(component); 2155 2156 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2157 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2158 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2159 if (ps == null) return null; 2160 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2161 userId); 2162 } 2163 if (mResolveComponentName.equals(component)) { 2164 return mResolveActivity; 2165 } 2166 } 2167 return null; 2168 } 2169 2170 @Override 2171 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2172 String resolvedType) { 2173 synchronized (mPackages) { 2174 PackageParser.Activity a = mActivities.mActivities.get(component); 2175 if (a == null) { 2176 return false; 2177 } 2178 for (int i=0; i<a.intents.size(); i++) { 2179 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2180 intent.getData(), intent.getCategories(), TAG) >= 0) { 2181 return true; 2182 } 2183 } 2184 return false; 2185 } 2186 } 2187 2188 @Override 2189 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2190 if (!sUserManager.exists(userId)) return null; 2191 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2192 synchronized (mPackages) { 2193 PackageParser.Activity a = mReceivers.mActivities.get(component); 2194 if (DEBUG_PACKAGE_INFO) Log.v( 2195 TAG, "getReceiverInfo " + component + ": " + a); 2196 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2197 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2198 if (ps == null) return null; 2199 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2200 userId); 2201 } 2202 } 2203 return null; 2204 } 2205 2206 @Override 2207 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2208 if (!sUserManager.exists(userId)) return null; 2209 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2210 synchronized (mPackages) { 2211 PackageParser.Service s = mServices.mServices.get(component); 2212 if (DEBUG_PACKAGE_INFO) Log.v( 2213 TAG, "getServiceInfo " + component + ": " + s); 2214 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2215 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2216 if (ps == null) return null; 2217 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2218 userId); 2219 } 2220 } 2221 return null; 2222 } 2223 2224 @Override 2225 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2226 if (!sUserManager.exists(userId)) return null; 2227 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2228 synchronized (mPackages) { 2229 PackageParser.Provider p = mProviders.mProviders.get(component); 2230 if (DEBUG_PACKAGE_INFO) Log.v( 2231 TAG, "getProviderInfo " + component + ": " + p); 2232 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2233 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2234 if (ps == null) return null; 2235 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2236 userId); 2237 } 2238 } 2239 return null; 2240 } 2241 2242 public String[] getSystemSharedLibraryNames() { 2243 Set<String> libSet; 2244 synchronized (mPackages) { 2245 libSet = mSharedLibraries.keySet(); 2246 int size = libSet.size(); 2247 if (size > 0) { 2248 String[] libs = new String[size]; 2249 libSet.toArray(libs); 2250 return libs; 2251 } 2252 } 2253 return null; 2254 } 2255 2256 public FeatureInfo[] getSystemAvailableFeatures() { 2257 Collection<FeatureInfo> featSet; 2258 synchronized (mPackages) { 2259 featSet = mAvailableFeatures.values(); 2260 int size = featSet.size(); 2261 if (size > 0) { 2262 FeatureInfo[] features = new FeatureInfo[size+1]; 2263 featSet.toArray(features); 2264 FeatureInfo fi = new FeatureInfo(); 2265 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2266 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2267 features[size] = fi; 2268 return features; 2269 } 2270 } 2271 return null; 2272 } 2273 2274 public boolean hasSystemFeature(String name) { 2275 synchronized (mPackages) { 2276 return mAvailableFeatures.containsKey(name); 2277 } 2278 } 2279 2280 private void checkValidCaller(int uid, int userId) { 2281 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2282 return; 2283 2284 throw new SecurityException("Caller uid=" + uid 2285 + " is not privileged to communicate with user=" + userId); 2286 } 2287 2288 public int checkPermission(String permName, String pkgName) { 2289 synchronized (mPackages) { 2290 PackageParser.Package p = mPackages.get(pkgName); 2291 if (p != null && p.mExtras != null) { 2292 PackageSetting ps = (PackageSetting)p.mExtras; 2293 if (ps.sharedUser != null) { 2294 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2295 return PackageManager.PERMISSION_GRANTED; 2296 } 2297 } else if (ps.grantedPermissions.contains(permName)) { 2298 return PackageManager.PERMISSION_GRANTED; 2299 } 2300 } 2301 } 2302 return PackageManager.PERMISSION_DENIED; 2303 } 2304 2305 public int checkUidPermission(String permName, int uid) { 2306 synchronized (mPackages) { 2307 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2308 if (obj != null) { 2309 GrantedPermissions gp = (GrantedPermissions)obj; 2310 if (gp.grantedPermissions.contains(permName)) { 2311 return PackageManager.PERMISSION_GRANTED; 2312 } 2313 } else { 2314 HashSet<String> perms = mSystemPermissions.get(uid); 2315 if (perms != null && perms.contains(permName)) { 2316 return PackageManager.PERMISSION_GRANTED; 2317 } 2318 } 2319 } 2320 return PackageManager.PERMISSION_DENIED; 2321 } 2322 2323 /** 2324 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2325 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2326 * @param message the message to log on security exception 2327 * @return 2328 */ 2329 private void enforceCrossUserPermission(int callingUid, int userId, 2330 boolean requireFullPermission, String message) { 2331 if (userId < 0) { 2332 throw new IllegalArgumentException("Invalid userId " + userId); 2333 } 2334 if (userId == UserHandle.getUserId(callingUid)) return; 2335 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2336 if (requireFullPermission) { 2337 mContext.enforceCallingOrSelfPermission( 2338 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2339 } else { 2340 try { 2341 mContext.enforceCallingOrSelfPermission( 2342 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2343 } catch (SecurityException se) { 2344 mContext.enforceCallingOrSelfPermission( 2345 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2346 } 2347 } 2348 } 2349 } 2350 2351 private BasePermission findPermissionTreeLP(String permName) { 2352 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2353 if (permName.startsWith(bp.name) && 2354 permName.length() > bp.name.length() && 2355 permName.charAt(bp.name.length()) == '.') { 2356 return bp; 2357 } 2358 } 2359 return null; 2360 } 2361 2362 private BasePermission checkPermissionTreeLP(String permName) { 2363 if (permName != null) { 2364 BasePermission bp = findPermissionTreeLP(permName); 2365 if (bp != null) { 2366 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2367 return bp; 2368 } 2369 throw new SecurityException("Calling uid " 2370 + Binder.getCallingUid() 2371 + " is not allowed to add to permission tree " 2372 + bp.name + " owned by uid " + bp.uid); 2373 } 2374 } 2375 throw new SecurityException("No permission tree found for " + permName); 2376 } 2377 2378 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2379 if (s1 == null) { 2380 return s2 == null; 2381 } 2382 if (s2 == null) { 2383 return false; 2384 } 2385 if (s1.getClass() != s2.getClass()) { 2386 return false; 2387 } 2388 return s1.equals(s2); 2389 } 2390 2391 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2392 if (pi1.icon != pi2.icon) return false; 2393 if (pi1.logo != pi2.logo) return false; 2394 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2395 if (!compareStrings(pi1.name, pi2.name)) return false; 2396 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2397 // We'll take care of setting this one. 2398 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2399 // These are not currently stored in settings. 2400 //if (!compareStrings(pi1.group, pi2.group)) return false; 2401 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2402 //if (pi1.labelRes != pi2.labelRes) return false; 2403 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2404 return true; 2405 } 2406 2407 int permissionInfoFootprint(PermissionInfo info) { 2408 int size = info.name.length(); 2409 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2410 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2411 return size; 2412 } 2413 2414 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2415 int size = 0; 2416 for (BasePermission perm : mSettings.mPermissions.values()) { 2417 if (perm.uid == tree.uid) { 2418 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2419 } 2420 } 2421 return size; 2422 } 2423 2424 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2425 // We calculate the max size of permissions defined by this uid and throw 2426 // if that plus the size of 'info' would exceed our stated maximum. 2427 if (tree.uid != Process.SYSTEM_UID) { 2428 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2429 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2430 throw new SecurityException("Permission tree size cap exceeded"); 2431 } 2432 } 2433 } 2434 2435 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2436 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2437 throw new SecurityException("Label must be specified in permission"); 2438 } 2439 BasePermission tree = checkPermissionTreeLP(info.name); 2440 BasePermission bp = mSettings.mPermissions.get(info.name); 2441 boolean added = bp == null; 2442 boolean changed = true; 2443 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2444 if (added) { 2445 enforcePermissionCapLocked(info, tree); 2446 bp = new BasePermission(info.name, tree.sourcePackage, 2447 BasePermission.TYPE_DYNAMIC); 2448 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2449 throw new SecurityException( 2450 "Not allowed to modify non-dynamic permission " 2451 + info.name); 2452 } else { 2453 if (bp.protectionLevel == fixedLevel 2454 && bp.perm.owner.equals(tree.perm.owner) 2455 && bp.uid == tree.uid 2456 && comparePermissionInfos(bp.perm.info, info)) { 2457 changed = false; 2458 } 2459 } 2460 bp.protectionLevel = fixedLevel; 2461 info = new PermissionInfo(info); 2462 info.protectionLevel = fixedLevel; 2463 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2464 bp.perm.info.packageName = tree.perm.info.packageName; 2465 bp.uid = tree.uid; 2466 if (added) { 2467 mSettings.mPermissions.put(info.name, bp); 2468 } 2469 if (changed) { 2470 if (!async) { 2471 mSettings.writeLPr(); 2472 } else { 2473 scheduleWriteSettingsLocked(); 2474 } 2475 } 2476 return added; 2477 } 2478 2479 public boolean addPermission(PermissionInfo info) { 2480 synchronized (mPackages) { 2481 return addPermissionLocked(info, false); 2482 } 2483 } 2484 2485 public boolean addPermissionAsync(PermissionInfo info) { 2486 synchronized (mPackages) { 2487 return addPermissionLocked(info, true); 2488 } 2489 } 2490 2491 public void removePermission(String name) { 2492 synchronized (mPackages) { 2493 checkPermissionTreeLP(name); 2494 BasePermission bp = mSettings.mPermissions.get(name); 2495 if (bp != null) { 2496 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2497 throw new SecurityException( 2498 "Not allowed to modify non-dynamic permission " 2499 + name); 2500 } 2501 mSettings.mPermissions.remove(name); 2502 mSettings.writeLPr(); 2503 } 2504 } 2505 } 2506 2507 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2508 int index = pkg.requestedPermissions.indexOf(bp.name); 2509 if (index == -1) { 2510 throw new SecurityException("Package " + pkg.packageName 2511 + " has not requested permission " + bp.name); 2512 } 2513 boolean isNormal = 2514 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2515 == PermissionInfo.PROTECTION_NORMAL); 2516 boolean isDangerous = 2517 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2518 == PermissionInfo.PROTECTION_DANGEROUS); 2519 boolean isDevelopment = 2520 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2521 2522 if (!isNormal && !isDangerous && !isDevelopment) { 2523 throw new SecurityException("Permission " + bp.name 2524 + " is not a changeable permission type"); 2525 } 2526 2527 if (isNormal || isDangerous) { 2528 if (pkg.requestedPermissionsRequired.get(index)) { 2529 throw new SecurityException("Can't change " + bp.name 2530 + ". It is required by the application"); 2531 } 2532 } 2533 } 2534 2535 public void grantPermission(String packageName, String permissionName) { 2536 mContext.enforceCallingOrSelfPermission( 2537 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2538 synchronized (mPackages) { 2539 final PackageParser.Package pkg = mPackages.get(packageName); 2540 if (pkg == null) { 2541 throw new IllegalArgumentException("Unknown package: " + packageName); 2542 } 2543 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2544 if (bp == null) { 2545 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2546 } 2547 2548 checkGrantRevokePermissions(pkg, bp); 2549 2550 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2551 if (ps == null) { 2552 return; 2553 } 2554 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2555 if (gp.grantedPermissions.add(permissionName)) { 2556 if (ps.haveGids) { 2557 gp.gids = appendInts(gp.gids, bp.gids); 2558 } 2559 mSettings.writeLPr(); 2560 } 2561 } 2562 } 2563 2564 public void revokePermission(String packageName, String permissionName) { 2565 int changedAppId = -1; 2566 2567 synchronized (mPackages) { 2568 final PackageParser.Package pkg = mPackages.get(packageName); 2569 if (pkg == null) { 2570 throw new IllegalArgumentException("Unknown package: " + packageName); 2571 } 2572 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2573 mContext.enforceCallingOrSelfPermission( 2574 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2575 } 2576 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2577 if (bp == null) { 2578 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2579 } 2580 2581 checkGrantRevokePermissions(pkg, bp); 2582 2583 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2584 if (ps == null) { 2585 return; 2586 } 2587 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2588 if (gp.grantedPermissions.remove(permissionName)) { 2589 gp.grantedPermissions.remove(permissionName); 2590 if (ps.haveGids) { 2591 gp.gids = removeInts(gp.gids, bp.gids); 2592 } 2593 mSettings.writeLPr(); 2594 changedAppId = ps.appId; 2595 } 2596 } 2597 2598 if (changedAppId >= 0) { 2599 // We changed the perm on someone, kill its processes. 2600 IActivityManager am = ActivityManagerNative.getDefault(); 2601 if (am != null) { 2602 final int callingUserId = UserHandle.getCallingUserId(); 2603 final long ident = Binder.clearCallingIdentity(); 2604 try { 2605 //XXX we should only revoke for the calling user's app permissions, 2606 // but for now we impact all users. 2607 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2608 // "revoke " + permissionName); 2609 int[] users = sUserManager.getUserIds(); 2610 for (int user : users) { 2611 am.killUid(UserHandle.getUid(user, changedAppId), 2612 "revoke " + permissionName); 2613 } 2614 } catch (RemoteException e) { 2615 } finally { 2616 Binder.restoreCallingIdentity(ident); 2617 } 2618 } 2619 } 2620 } 2621 2622 public boolean isProtectedBroadcast(String actionName) { 2623 synchronized (mPackages) { 2624 return mProtectedBroadcasts.contains(actionName); 2625 } 2626 } 2627 2628 public int checkSignatures(String pkg1, String pkg2) { 2629 synchronized (mPackages) { 2630 final PackageParser.Package p1 = mPackages.get(pkg1); 2631 final PackageParser.Package p2 = mPackages.get(pkg2); 2632 if (p1 == null || p1.mExtras == null 2633 || p2 == null || p2.mExtras == null) { 2634 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2635 } 2636 return compareSignatures(p1.mSignatures, p2.mSignatures); 2637 } 2638 } 2639 2640 public int checkUidSignatures(int uid1, int uid2) { 2641 // Map to base uids. 2642 uid1 = UserHandle.getAppId(uid1); 2643 uid2 = UserHandle.getAppId(uid2); 2644 // reader 2645 synchronized (mPackages) { 2646 Signature[] s1; 2647 Signature[] s2; 2648 Object obj = mSettings.getUserIdLPr(uid1); 2649 if (obj != null) { 2650 if (obj instanceof SharedUserSetting) { 2651 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2652 } else if (obj instanceof PackageSetting) { 2653 s1 = ((PackageSetting)obj).signatures.mSignatures; 2654 } else { 2655 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2656 } 2657 } else { 2658 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2659 } 2660 obj = mSettings.getUserIdLPr(uid2); 2661 if (obj != null) { 2662 if (obj instanceof SharedUserSetting) { 2663 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2664 } else if (obj instanceof PackageSetting) { 2665 s2 = ((PackageSetting)obj).signatures.mSignatures; 2666 } else { 2667 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2668 } 2669 } else { 2670 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2671 } 2672 return compareSignatures(s1, s2); 2673 } 2674 } 2675 2676 /** 2677 * Compares two sets of signatures. Returns: 2678 * <br /> 2679 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2680 * <br /> 2681 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2682 * <br /> 2683 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2684 * <br /> 2685 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2686 * <br /> 2687 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2688 */ 2689 static int compareSignatures(Signature[] s1, Signature[] s2) { 2690 if (s1 == null) { 2691 return s2 == null 2692 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2693 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2694 } 2695 2696 if (s2 == null) { 2697 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2698 } 2699 2700 if (s1.length != s2.length) { 2701 return PackageManager.SIGNATURE_NO_MATCH; 2702 } 2703 2704 // Since both signature sets are of size 1, we can compare without HashSets. 2705 if (s1.length == 1) { 2706 return s1[0].equals(s2[0]) ? 2707 PackageManager.SIGNATURE_MATCH : 2708 PackageManager.SIGNATURE_NO_MATCH; 2709 } 2710 2711 HashSet<Signature> set1 = new HashSet<Signature>(); 2712 for (Signature sig : s1) { 2713 set1.add(sig); 2714 } 2715 HashSet<Signature> set2 = new HashSet<Signature>(); 2716 for (Signature sig : s2) { 2717 set2.add(sig); 2718 } 2719 // Make sure s2 contains all signatures in s1. 2720 if (set1.equals(set2)) { 2721 return PackageManager.SIGNATURE_MATCH; 2722 } 2723 return PackageManager.SIGNATURE_NO_MATCH; 2724 } 2725 2726 /** 2727 * If the database version for this type of package (internal storage or 2728 * external storage) is less than the version where package signatures 2729 * were updated, return true. 2730 */ 2731 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2732 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2733 DatabaseVersion.SIGNATURE_END_ENTITY)) 2734 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2735 DatabaseVersion.SIGNATURE_END_ENTITY)); 2736 } 2737 2738 /** 2739 * Used for backward compatibility to make sure any packages with 2740 * certificate chains get upgraded to the new style. {@code existingSigs} 2741 * will be in the old format (since they were stored on disk from before the 2742 * system upgrade) and {@code scannedSigs} will be in the newer format. 2743 */ 2744 private int compareSignaturesCompat(PackageSignatures existingSigs, 2745 PackageParser.Package scannedPkg) { 2746 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2747 return PackageManager.SIGNATURE_NO_MATCH; 2748 } 2749 2750 HashSet<Signature> existingSet = new HashSet<Signature>(); 2751 for (Signature sig : existingSigs.mSignatures) { 2752 existingSet.add(sig); 2753 } 2754 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2755 for (Signature sig : scannedPkg.mSignatures) { 2756 try { 2757 Signature[] chainSignatures = sig.getChainSignatures(); 2758 for (Signature chainSig : chainSignatures) { 2759 scannedCompatSet.add(chainSig); 2760 } 2761 } catch (CertificateEncodingException e) { 2762 scannedCompatSet.add(sig); 2763 } 2764 } 2765 /* 2766 * Make sure the expanded scanned set contains all signatures in the 2767 * existing one. 2768 */ 2769 if (scannedCompatSet.equals(existingSet)) { 2770 // Migrate the old signatures to the new scheme. 2771 existingSigs.assignSignatures(scannedPkg.mSignatures); 2772 // The new KeySets will be re-added later in the scanning process. 2773 mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName); 2774 return PackageManager.SIGNATURE_MATCH; 2775 } 2776 return PackageManager.SIGNATURE_NO_MATCH; 2777 } 2778 2779 public String[] getPackagesForUid(int uid) { 2780 uid = UserHandle.getAppId(uid); 2781 // reader 2782 synchronized (mPackages) { 2783 Object obj = mSettings.getUserIdLPr(uid); 2784 if (obj instanceof SharedUserSetting) { 2785 final SharedUserSetting sus = (SharedUserSetting) obj; 2786 final int N = sus.packages.size(); 2787 final String[] res = new String[N]; 2788 final Iterator<PackageSetting> it = sus.packages.iterator(); 2789 int i = 0; 2790 while (it.hasNext()) { 2791 res[i++] = it.next().name; 2792 } 2793 return res; 2794 } else if (obj instanceof PackageSetting) { 2795 final PackageSetting ps = (PackageSetting) obj; 2796 return new String[] { ps.name }; 2797 } 2798 } 2799 return null; 2800 } 2801 2802 public String getNameForUid(int uid) { 2803 // reader 2804 synchronized (mPackages) { 2805 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2806 if (obj instanceof SharedUserSetting) { 2807 final SharedUserSetting sus = (SharedUserSetting) obj; 2808 return sus.name + ":" + sus.userId; 2809 } else if (obj instanceof PackageSetting) { 2810 final PackageSetting ps = (PackageSetting) obj; 2811 return ps.name; 2812 } 2813 } 2814 return null; 2815 } 2816 2817 public int getUidForSharedUser(String sharedUserName) { 2818 if(sharedUserName == null) { 2819 return -1; 2820 } 2821 // reader 2822 synchronized (mPackages) { 2823 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2824 if (suid == null) { 2825 return -1; 2826 } 2827 return suid.userId; 2828 } 2829 } 2830 2831 public int getFlagsForUid(int uid) { 2832 synchronized (mPackages) { 2833 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2834 if (obj instanceof SharedUserSetting) { 2835 final SharedUserSetting sus = (SharedUserSetting) obj; 2836 return sus.pkgFlags; 2837 } else if (obj instanceof PackageSetting) { 2838 final PackageSetting ps = (PackageSetting) obj; 2839 return ps.pkgFlags; 2840 } 2841 } 2842 return 0; 2843 } 2844 2845 @Override 2846 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2847 int flags, int userId) { 2848 if (!sUserManager.exists(userId)) return null; 2849 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2850 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2851 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2852 } 2853 2854 @Override 2855 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2856 IntentFilter filter, int match, ComponentName activity) { 2857 final int userId = UserHandle.getCallingUserId(); 2858 if (DEBUG_PREFERRED) { 2859 Log.v(TAG, "setLastChosenActivity intent=" + intent 2860 + " resolvedType=" + resolvedType 2861 + " flags=" + flags 2862 + " filter=" + filter 2863 + " match=" + match 2864 + " activity=" + activity); 2865 filter.dump(new PrintStreamPrinter(System.out), " "); 2866 } 2867 intent.setComponent(null); 2868 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2869 // Find any earlier preferred or last chosen entries and nuke them 2870 findPreferredActivity(intent, resolvedType, 2871 flags, query, 0, false, true, false, userId); 2872 // Add the new activity as the last chosen for this filter 2873 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2874 } 2875 2876 @Override 2877 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2878 final int userId = UserHandle.getCallingUserId(); 2879 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2880 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2881 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2882 false, false, false, userId); 2883 } 2884 2885 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2886 int flags, List<ResolveInfo> query, int userId) { 2887 if (query != null) { 2888 final int N = query.size(); 2889 if (N == 1) { 2890 return query.get(0); 2891 } else if (N > 1) { 2892 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2893 // If there is more than one activity with the same priority, 2894 // then let the user decide between them. 2895 ResolveInfo r0 = query.get(0); 2896 ResolveInfo r1 = query.get(1); 2897 if (DEBUG_INTENT_MATCHING || debug) { 2898 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2899 + r1.activityInfo.name + "=" + r1.priority); 2900 } 2901 // If the first activity has a higher priority, or a different 2902 // default, then it is always desireable to pick it. 2903 if (r0.priority != r1.priority 2904 || r0.preferredOrder != r1.preferredOrder 2905 || r0.isDefault != r1.isDefault) { 2906 return query.get(0); 2907 } 2908 // If we have saved a preference for a preferred activity for 2909 // this Intent, use that. 2910 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2911 flags, query, r0.priority, true, false, debug, userId); 2912 if (ri != null) { 2913 return ri; 2914 } 2915 if (userId != 0) { 2916 ri = new ResolveInfo(mResolveInfo); 2917 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2918 ri.activityInfo.applicationInfo = new ApplicationInfo( 2919 ri.activityInfo.applicationInfo); 2920 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2921 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2922 return ri; 2923 } 2924 return mResolveInfo; 2925 } 2926 } 2927 return null; 2928 } 2929 2930 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2931 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2932 final int N = query.size(); 2933 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2934 .get(userId); 2935 // Get the list of persistent preferred activities that handle the intent 2936 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 2937 List<PersistentPreferredActivity> pprefs = ppir != null 2938 ? ppir.queryIntent(intent, resolvedType, 2939 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2940 : null; 2941 if (pprefs != null && pprefs.size() > 0) { 2942 final int M = pprefs.size(); 2943 for (int i=0; i<M; i++) { 2944 final PersistentPreferredActivity ppa = pprefs.get(i); 2945 if (DEBUG_PREFERRED || debug) { 2946 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 2947 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 2948 + "\n component=" + ppa.mComponent); 2949 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2950 } 2951 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 2952 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2953 if (DEBUG_PREFERRED || debug) { 2954 Slog.v(TAG, "Found persistent preferred activity:"); 2955 if (ai != null) { 2956 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2957 } else { 2958 Slog.v(TAG, " null"); 2959 } 2960 } 2961 if (ai == null) { 2962 // This previously registered persistent preferred activity 2963 // component is no longer known. Ignore it and do NOT remove it. 2964 continue; 2965 } 2966 for (int j=0; j<N; j++) { 2967 final ResolveInfo ri = query.get(j); 2968 if (!ri.activityInfo.applicationInfo.packageName 2969 .equals(ai.applicationInfo.packageName)) { 2970 continue; 2971 } 2972 if (!ri.activityInfo.name.equals(ai.name)) { 2973 continue; 2974 } 2975 // Found a persistent preference that can handle the intent. 2976 if (DEBUG_PREFERRED || debug) { 2977 Slog.v(TAG, "Returning persistent preferred activity: " + 2978 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 2979 } 2980 return ri; 2981 } 2982 } 2983 } 2984 return null; 2985 } 2986 2987 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 2988 List<ResolveInfo> query, int priority, boolean always, 2989 boolean removeMatches, boolean debug, int userId) { 2990 if (!sUserManager.exists(userId)) return null; 2991 // writer 2992 synchronized (mPackages) { 2993 if (intent.getSelector() != null) { 2994 intent = intent.getSelector(); 2995 } 2996 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 2997 2998 // Try to find a matching persistent preferred activity. 2999 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3000 debug, userId); 3001 3002 // If a persistent preferred activity matched, use it. 3003 if (pri != null) { 3004 return pri; 3005 } 3006 3007 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3008 // Get the list of preferred activities that handle the intent 3009 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3010 List<PreferredActivity> prefs = pir != null 3011 ? pir.queryIntent(intent, resolvedType, 3012 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3013 : null; 3014 if (prefs != null && prefs.size() > 0) { 3015 // First figure out how good the original match set is. 3016 // We will only allow preferred activities that came 3017 // from the same match quality. 3018 int match = 0; 3019 3020 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3021 3022 final int N = query.size(); 3023 for (int j=0; j<N; j++) { 3024 final ResolveInfo ri = query.get(j); 3025 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3026 + ": 0x" + Integer.toHexString(match)); 3027 if (ri.match > match) { 3028 match = ri.match; 3029 } 3030 } 3031 3032 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3033 + Integer.toHexString(match)); 3034 3035 match &= IntentFilter.MATCH_CATEGORY_MASK; 3036 final int M = prefs.size(); 3037 for (int i=0; i<M; i++) { 3038 final PreferredActivity pa = prefs.get(i); 3039 if (DEBUG_PREFERRED || debug) { 3040 Slog.v(TAG, "Checking PreferredActivity ds=" 3041 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3042 + "\n component=" + pa.mPref.mComponent); 3043 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3044 } 3045 if (pa.mPref.mMatch != match) { 3046 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3047 + Integer.toHexString(pa.mPref.mMatch)); 3048 continue; 3049 } 3050 // If it's not an "always" type preferred activity and that's what we're 3051 // looking for, skip it. 3052 if (always && !pa.mPref.mAlways) { 3053 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3054 continue; 3055 } 3056 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3057 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3058 if (DEBUG_PREFERRED || debug) { 3059 Slog.v(TAG, "Found preferred activity:"); 3060 if (ai != null) { 3061 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3062 } else { 3063 Slog.v(TAG, " null"); 3064 } 3065 } 3066 if (ai == null) { 3067 // This previously registered preferred activity 3068 // component is no longer known. Most likely an update 3069 // to the app was installed and in the new version this 3070 // component no longer exists. Clean it up by removing 3071 // it from the preferred activities list, and skip it. 3072 Slog.w(TAG, "Removing dangling preferred activity: " 3073 + pa.mPref.mComponent); 3074 pir.removeFilter(pa); 3075 continue; 3076 } 3077 for (int j=0; j<N; j++) { 3078 final ResolveInfo ri = query.get(j); 3079 if (!ri.activityInfo.applicationInfo.packageName 3080 .equals(ai.applicationInfo.packageName)) { 3081 continue; 3082 } 3083 if (!ri.activityInfo.name.equals(ai.name)) { 3084 continue; 3085 } 3086 3087 if (removeMatches) { 3088 pir.removeFilter(pa); 3089 if (DEBUG_PREFERRED) { 3090 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3091 } 3092 break; 3093 } 3094 3095 // Okay we found a previously set preferred or last chosen app. 3096 // If the result set is different from when this 3097 // was created, we need to clear it and re-ask the 3098 // user their preference, if we're looking for an "always" type entry. 3099 if (always && !pa.mPref.sameSet(query, priority)) { 3100 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3101 + intent + " type " + resolvedType); 3102 if (DEBUG_PREFERRED) { 3103 Slog.v(TAG, "Removing preferred activity since set changed " 3104 + pa.mPref.mComponent); 3105 } 3106 pir.removeFilter(pa); 3107 // Re-add the filter as a "last chosen" entry (!always) 3108 PreferredActivity lastChosen = new PreferredActivity( 3109 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3110 pir.addFilter(lastChosen); 3111 mSettings.writePackageRestrictionsLPr(userId); 3112 return null; 3113 } 3114 3115 // Yay! Either the set matched or we're looking for the last chosen 3116 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3117 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3118 mSettings.writePackageRestrictionsLPr(userId); 3119 return ri; 3120 } 3121 } 3122 } 3123 mSettings.writePackageRestrictionsLPr(userId); 3124 } 3125 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3126 return null; 3127 } 3128 3129 /* 3130 * Returns if intent can be forwarded from the userId from to dest 3131 */ 3132 @Override 3133 public boolean canForwardTo(Intent intent, String resolvedType, int userIdFrom, int userIdDest) { 3134 mContext.enforceCallingOrSelfPermission( 3135 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3136 List<ForwardingIntentFilter> matches = 3137 getMatchingForwardingIntentFilters(intent, resolvedType, userIdFrom); 3138 if (matches != null) { 3139 int size = matches.size(); 3140 for (int i = 0; i < size; i++) { 3141 if (matches.get(i).getUserIdDest() == userIdDest) return true; 3142 } 3143 } 3144 return false; 3145 } 3146 3147 private List<ForwardingIntentFilter> getMatchingForwardingIntentFilters(Intent intent, 3148 String resolvedType, int userId) { 3149 ForwardingIntentResolver fir = mSettings.mForwardingIntentResolvers.get(userId); 3150 if (fir != null) { 3151 return fir.queryIntent(intent, resolvedType, false, userId); 3152 } 3153 return null; 3154 } 3155 3156 @Override 3157 public List<ResolveInfo> queryIntentActivities(Intent intent, 3158 String resolvedType, int flags, int userId) { 3159 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3160 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3161 ComponentName comp = intent.getComponent(); 3162 if (comp == null) { 3163 if (intent.getSelector() != null) { 3164 intent = intent.getSelector(); 3165 comp = intent.getComponent(); 3166 } 3167 } 3168 3169 if (comp != null) { 3170 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3171 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3172 if (ai != null) { 3173 final ResolveInfo ri = new ResolveInfo(); 3174 ri.activityInfo = ai; 3175 list.add(ri); 3176 } 3177 return list; 3178 } 3179 3180 // reader 3181 synchronized (mPackages) { 3182 final String pkgName = intent.getPackage(); 3183 if (pkgName == null) { 3184 List<ResolveInfo> result = 3185 mActivities.queryIntent(intent, resolvedType, flags, userId); 3186 // Checking if we can forward the intent to another user 3187 List<ForwardingIntentFilter> fifs = 3188 getMatchingForwardingIntentFilters(intent, resolvedType, userId); 3189 if (fifs != null) { 3190 ForwardingIntentFilter forwardingIntentFilterWithResult = null; 3191 HashSet<Integer> alreadyTriedUserIds = new HashSet<Integer>(); 3192 for (ForwardingIntentFilter fif : fifs) { 3193 int userIdDest = fif.getUserIdDest(); 3194 // Two {@link ForwardingIntentFilter}s can have the same userIdDest and 3195 // match the same an intent. For performance reasons, it is better not to 3196 // run queryIntent twice for the same userId 3197 if (!alreadyTriedUserIds.contains(userIdDest)) { 3198 List<ResolveInfo> resultUser = mActivities.queryIntent(intent, 3199 resolvedType, flags, userIdDest); 3200 if (resultUser != null) { 3201 forwardingIntentFilterWithResult = fif; 3202 // As soon as there is a match in another user, we add the 3203 // intentForwarderActivity to the list of ResolveInfo. 3204 break; 3205 } 3206 alreadyTriedUserIds.add(userIdDest); 3207 } 3208 } 3209 if (forwardingIntentFilterWithResult != null) { 3210 ResolveInfo forwardingResolveInfo = createForwardingResolveInfo( 3211 forwardingIntentFilterWithResult, userId); 3212 result.add(forwardingResolveInfo); 3213 } 3214 } 3215 return result; 3216 } 3217 final PackageParser.Package pkg = mPackages.get(pkgName); 3218 if (pkg != null) { 3219 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3220 pkg.activities, userId); 3221 } 3222 return new ArrayList<ResolveInfo>(); 3223 } 3224 } 3225 3226 private ResolveInfo createForwardingResolveInfo(ForwardingIntentFilter fif, int userIdFrom) { 3227 String className; 3228 int userIdDest = fif.getUserIdDest(); 3229 if (userIdDest == UserHandle.USER_OWNER) { 3230 className = FORWARD_INTENT_TO_USER_OWNER; 3231 } else { 3232 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3233 } 3234 ComponentName forwardingActivityComponentName = new ComponentName( 3235 mAndroidApplication.packageName, className); 3236 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3237 userIdFrom); 3238 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3239 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3240 forwardingResolveInfo.priority = 0; 3241 forwardingResolveInfo.preferredOrder = 0; 3242 forwardingResolveInfo.match = 0; 3243 forwardingResolveInfo.isDefault = true; 3244 forwardingResolveInfo.filter = fif; 3245 return forwardingResolveInfo; 3246 } 3247 3248 @Override 3249 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3250 Intent[] specifics, String[] specificTypes, Intent intent, 3251 String resolvedType, int flags, int userId) { 3252 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3253 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3254 "query intent activity options"); 3255 final String resultsAction = intent.getAction(); 3256 3257 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3258 | PackageManager.GET_RESOLVED_FILTER, userId); 3259 3260 if (DEBUG_INTENT_MATCHING) { 3261 Log.v(TAG, "Query " + intent + ": " + results); 3262 } 3263 3264 int specificsPos = 0; 3265 int N; 3266 3267 // todo: note that the algorithm used here is O(N^2). This 3268 // isn't a problem in our current environment, but if we start running 3269 // into situations where we have more than 5 or 10 matches then this 3270 // should probably be changed to something smarter... 3271 3272 // First we go through and resolve each of the specific items 3273 // that were supplied, taking care of removing any corresponding 3274 // duplicate items in the generic resolve list. 3275 if (specifics != null) { 3276 for (int i=0; i<specifics.length; i++) { 3277 final Intent sintent = specifics[i]; 3278 if (sintent == null) { 3279 continue; 3280 } 3281 3282 if (DEBUG_INTENT_MATCHING) { 3283 Log.v(TAG, "Specific #" + i + ": " + sintent); 3284 } 3285 3286 String action = sintent.getAction(); 3287 if (resultsAction != null && resultsAction.equals(action)) { 3288 // If this action was explicitly requested, then don't 3289 // remove things that have it. 3290 action = null; 3291 } 3292 3293 ResolveInfo ri = null; 3294 ActivityInfo ai = null; 3295 3296 ComponentName comp = sintent.getComponent(); 3297 if (comp == null) { 3298 ri = resolveIntent( 3299 sintent, 3300 specificTypes != null ? specificTypes[i] : null, 3301 flags, userId); 3302 if (ri == null) { 3303 continue; 3304 } 3305 if (ri == mResolveInfo) { 3306 // ACK! Must do something better with this. 3307 } 3308 ai = ri.activityInfo; 3309 comp = new ComponentName(ai.applicationInfo.packageName, 3310 ai.name); 3311 } else { 3312 ai = getActivityInfo(comp, flags, userId); 3313 if (ai == null) { 3314 continue; 3315 } 3316 } 3317 3318 // Look for any generic query activities that are duplicates 3319 // of this specific one, and remove them from the results. 3320 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3321 N = results.size(); 3322 int j; 3323 for (j=specificsPos; j<N; j++) { 3324 ResolveInfo sri = results.get(j); 3325 if ((sri.activityInfo.name.equals(comp.getClassName()) 3326 && sri.activityInfo.applicationInfo.packageName.equals( 3327 comp.getPackageName())) 3328 || (action != null && sri.filter.matchAction(action))) { 3329 results.remove(j); 3330 if (DEBUG_INTENT_MATCHING) Log.v( 3331 TAG, "Removing duplicate item from " + j 3332 + " due to specific " + specificsPos); 3333 if (ri == null) { 3334 ri = sri; 3335 } 3336 j--; 3337 N--; 3338 } 3339 } 3340 3341 // Add this specific item to its proper place. 3342 if (ri == null) { 3343 ri = new ResolveInfo(); 3344 ri.activityInfo = ai; 3345 } 3346 results.add(specificsPos, ri); 3347 ri.specificIndex = i; 3348 specificsPos++; 3349 } 3350 } 3351 3352 // Now we go through the remaining generic results and remove any 3353 // duplicate actions that are found here. 3354 N = results.size(); 3355 for (int i=specificsPos; i<N-1; i++) { 3356 final ResolveInfo rii = results.get(i); 3357 if (rii.filter == null) { 3358 continue; 3359 } 3360 3361 // Iterate over all of the actions of this result's intent 3362 // filter... typically this should be just one. 3363 final Iterator<String> it = rii.filter.actionsIterator(); 3364 if (it == null) { 3365 continue; 3366 } 3367 while (it.hasNext()) { 3368 final String action = it.next(); 3369 if (resultsAction != null && resultsAction.equals(action)) { 3370 // If this action was explicitly requested, then don't 3371 // remove things that have it. 3372 continue; 3373 } 3374 for (int j=i+1; j<N; j++) { 3375 final ResolveInfo rij = results.get(j); 3376 if (rij.filter != null && rij.filter.hasAction(action)) { 3377 results.remove(j); 3378 if (DEBUG_INTENT_MATCHING) Log.v( 3379 TAG, "Removing duplicate item from " + j 3380 + " due to action " + action + " at " + i); 3381 j--; 3382 N--; 3383 } 3384 } 3385 } 3386 3387 // If the caller didn't request filter information, drop it now 3388 // so we don't have to marshall/unmarshall it. 3389 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3390 rii.filter = null; 3391 } 3392 } 3393 3394 // Filter out the caller activity if so requested. 3395 if (caller != null) { 3396 N = results.size(); 3397 for (int i=0; i<N; i++) { 3398 ActivityInfo ainfo = results.get(i).activityInfo; 3399 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3400 && caller.getClassName().equals(ainfo.name)) { 3401 results.remove(i); 3402 break; 3403 } 3404 } 3405 } 3406 3407 // If the caller didn't request filter information, 3408 // drop them now so we don't have to 3409 // marshall/unmarshall it. 3410 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3411 N = results.size(); 3412 for (int i=0; i<N; i++) { 3413 results.get(i).filter = null; 3414 } 3415 } 3416 3417 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3418 return results; 3419 } 3420 3421 @Override 3422 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3423 int userId) { 3424 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3425 ComponentName comp = intent.getComponent(); 3426 if (comp == null) { 3427 if (intent.getSelector() != null) { 3428 intent = intent.getSelector(); 3429 comp = intent.getComponent(); 3430 } 3431 } 3432 if (comp != null) { 3433 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3434 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3435 if (ai != null) { 3436 ResolveInfo ri = new ResolveInfo(); 3437 ri.activityInfo = ai; 3438 list.add(ri); 3439 } 3440 return list; 3441 } 3442 3443 // reader 3444 synchronized (mPackages) { 3445 String pkgName = intent.getPackage(); 3446 if (pkgName == null) { 3447 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3448 } 3449 final PackageParser.Package pkg = mPackages.get(pkgName); 3450 if (pkg != null) { 3451 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3452 userId); 3453 } 3454 return null; 3455 } 3456 } 3457 3458 @Override 3459 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3460 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3461 if (!sUserManager.exists(userId)) return null; 3462 if (query != null) { 3463 if (query.size() >= 1) { 3464 // If there is more than one service with the same priority, 3465 // just arbitrarily pick the first one. 3466 return query.get(0); 3467 } 3468 } 3469 return null; 3470 } 3471 3472 @Override 3473 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3474 int userId) { 3475 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3476 ComponentName comp = intent.getComponent(); 3477 if (comp == null) { 3478 if (intent.getSelector() != null) { 3479 intent = intent.getSelector(); 3480 comp = intent.getComponent(); 3481 } 3482 } 3483 if (comp != null) { 3484 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3485 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3486 if (si != null) { 3487 final ResolveInfo ri = new ResolveInfo(); 3488 ri.serviceInfo = si; 3489 list.add(ri); 3490 } 3491 return list; 3492 } 3493 3494 // reader 3495 synchronized (mPackages) { 3496 String pkgName = intent.getPackage(); 3497 if (pkgName == null) { 3498 return mServices.queryIntent(intent, resolvedType, flags, userId); 3499 } 3500 final PackageParser.Package pkg = mPackages.get(pkgName); 3501 if (pkg != null) { 3502 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3503 userId); 3504 } 3505 return null; 3506 } 3507 } 3508 3509 @Override 3510 public List<ResolveInfo> queryIntentContentProviders( 3511 Intent intent, String resolvedType, int flags, int userId) { 3512 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3513 ComponentName comp = intent.getComponent(); 3514 if (comp == null) { 3515 if (intent.getSelector() != null) { 3516 intent = intent.getSelector(); 3517 comp = intent.getComponent(); 3518 } 3519 } 3520 if (comp != null) { 3521 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3522 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3523 if (pi != null) { 3524 final ResolveInfo ri = new ResolveInfo(); 3525 ri.providerInfo = pi; 3526 list.add(ri); 3527 } 3528 return list; 3529 } 3530 3531 // reader 3532 synchronized (mPackages) { 3533 String pkgName = intent.getPackage(); 3534 if (pkgName == null) { 3535 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3536 } 3537 final PackageParser.Package pkg = mPackages.get(pkgName); 3538 if (pkg != null) { 3539 return mProviders.queryIntentForPackage( 3540 intent, resolvedType, flags, pkg.providers, userId); 3541 } 3542 return null; 3543 } 3544 } 3545 3546 @Override 3547 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3548 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3549 3550 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3551 3552 // writer 3553 synchronized (mPackages) { 3554 ArrayList<PackageInfo> list; 3555 if (listUninstalled) { 3556 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3557 for (PackageSetting ps : mSettings.mPackages.values()) { 3558 PackageInfo pi; 3559 if (ps.pkg != null) { 3560 pi = generatePackageInfo(ps.pkg, flags, userId); 3561 } else { 3562 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3563 } 3564 if (pi != null) { 3565 list.add(pi); 3566 } 3567 } 3568 } else { 3569 list = new ArrayList<PackageInfo>(mPackages.size()); 3570 for (PackageParser.Package p : mPackages.values()) { 3571 PackageInfo pi = generatePackageInfo(p, flags, userId); 3572 if (pi != null) { 3573 list.add(pi); 3574 } 3575 } 3576 } 3577 3578 return new ParceledListSlice<PackageInfo>(list); 3579 } 3580 } 3581 3582 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3583 String[] permissions, boolean[] tmp, int flags, int userId) { 3584 int numMatch = 0; 3585 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3586 for (int i=0; i<permissions.length; i++) { 3587 if (gp.grantedPermissions.contains(permissions[i])) { 3588 tmp[i] = true; 3589 numMatch++; 3590 } else { 3591 tmp[i] = false; 3592 } 3593 } 3594 if (numMatch == 0) { 3595 return; 3596 } 3597 PackageInfo pi; 3598 if (ps.pkg != null) { 3599 pi = generatePackageInfo(ps.pkg, flags, userId); 3600 } else { 3601 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3602 } 3603 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3604 if (numMatch == permissions.length) { 3605 pi.requestedPermissions = permissions; 3606 } else { 3607 pi.requestedPermissions = new String[numMatch]; 3608 numMatch = 0; 3609 for (int i=0; i<permissions.length; i++) { 3610 if (tmp[i]) { 3611 pi.requestedPermissions[numMatch] = permissions[i]; 3612 numMatch++; 3613 } 3614 } 3615 } 3616 } 3617 list.add(pi); 3618 } 3619 3620 @Override 3621 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3622 String[] permissions, int flags, int userId) { 3623 if (!sUserManager.exists(userId)) return null; 3624 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3625 3626 // writer 3627 synchronized (mPackages) { 3628 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3629 boolean[] tmpBools = new boolean[permissions.length]; 3630 if (listUninstalled) { 3631 for (PackageSetting ps : mSettings.mPackages.values()) { 3632 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3633 } 3634 } else { 3635 for (PackageParser.Package pkg : mPackages.values()) { 3636 PackageSetting ps = (PackageSetting)pkg.mExtras; 3637 if (ps != null) { 3638 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3639 userId); 3640 } 3641 } 3642 } 3643 3644 return new ParceledListSlice<PackageInfo>(list); 3645 } 3646 } 3647 3648 @Override 3649 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3650 if (!sUserManager.exists(userId)) return null; 3651 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3652 3653 // writer 3654 synchronized (mPackages) { 3655 ArrayList<ApplicationInfo> list; 3656 if (listUninstalled) { 3657 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3658 for (PackageSetting ps : mSettings.mPackages.values()) { 3659 ApplicationInfo ai; 3660 if (ps.pkg != null) { 3661 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3662 ps.readUserState(userId), userId); 3663 } else { 3664 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3665 } 3666 if (ai != null) { 3667 list.add(ai); 3668 } 3669 } 3670 } else { 3671 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3672 for (PackageParser.Package p : mPackages.values()) { 3673 if (p.mExtras != null) { 3674 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3675 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3676 if (ai != null) { 3677 list.add(ai); 3678 } 3679 } 3680 } 3681 } 3682 3683 return new ParceledListSlice<ApplicationInfo>(list); 3684 } 3685 } 3686 3687 public List<ApplicationInfo> getPersistentApplications(int flags) { 3688 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3689 3690 // reader 3691 synchronized (mPackages) { 3692 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3693 final int userId = UserHandle.getCallingUserId(); 3694 while (i.hasNext()) { 3695 final PackageParser.Package p = i.next(); 3696 if (p.applicationInfo != null 3697 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3698 && (!mSafeMode || isSystemApp(p))) { 3699 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3700 if (ps != null) { 3701 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3702 ps.readUserState(userId), userId); 3703 if (ai != null) { 3704 finalList.add(ai); 3705 } 3706 } 3707 } 3708 } 3709 } 3710 3711 return finalList; 3712 } 3713 3714 @Override 3715 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3716 if (!sUserManager.exists(userId)) return null; 3717 // reader 3718 synchronized (mPackages) { 3719 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3720 PackageSetting ps = provider != null 3721 ? mSettings.mPackages.get(provider.owner.packageName) 3722 : null; 3723 return ps != null 3724 && mSettings.isEnabledLPr(provider.info, flags, userId) 3725 && (!mSafeMode || (provider.info.applicationInfo.flags 3726 &ApplicationInfo.FLAG_SYSTEM) != 0) 3727 ? PackageParser.generateProviderInfo(provider, flags, 3728 ps.readUserState(userId), userId) 3729 : null; 3730 } 3731 } 3732 3733 /** 3734 * @deprecated 3735 */ 3736 @Deprecated 3737 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3738 // reader 3739 synchronized (mPackages) { 3740 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3741 .entrySet().iterator(); 3742 final int userId = UserHandle.getCallingUserId(); 3743 while (i.hasNext()) { 3744 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3745 PackageParser.Provider p = entry.getValue(); 3746 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3747 3748 if (ps != null && p.syncable 3749 && (!mSafeMode || (p.info.applicationInfo.flags 3750 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3751 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3752 ps.readUserState(userId), userId); 3753 if (info != null) { 3754 outNames.add(entry.getKey()); 3755 outInfo.add(info); 3756 } 3757 } 3758 } 3759 } 3760 } 3761 3762 public List<ProviderInfo> queryContentProviders(String processName, 3763 int uid, int flags) { 3764 ArrayList<ProviderInfo> finalList = null; 3765 // reader 3766 synchronized (mPackages) { 3767 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3768 final int userId = processName != null ? 3769 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3770 while (i.hasNext()) { 3771 final PackageParser.Provider p = i.next(); 3772 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3773 if (ps != null && p.info.authority != null 3774 && (processName == null 3775 || (p.info.processName.equals(processName) 3776 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3777 && mSettings.isEnabledLPr(p.info, flags, userId) 3778 && (!mSafeMode 3779 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3780 if (finalList == null) { 3781 finalList = new ArrayList<ProviderInfo>(3); 3782 } 3783 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3784 ps.readUserState(userId), userId); 3785 if (info != null) { 3786 finalList.add(info); 3787 } 3788 } 3789 } 3790 } 3791 3792 if (finalList != null) { 3793 Collections.sort(finalList, mProviderInitOrderSorter); 3794 } 3795 3796 return finalList; 3797 } 3798 3799 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3800 int flags) { 3801 // reader 3802 synchronized (mPackages) { 3803 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3804 return PackageParser.generateInstrumentationInfo(i, flags); 3805 } 3806 } 3807 3808 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3809 int flags) { 3810 ArrayList<InstrumentationInfo> finalList = 3811 new ArrayList<InstrumentationInfo>(); 3812 3813 // reader 3814 synchronized (mPackages) { 3815 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3816 while (i.hasNext()) { 3817 final PackageParser.Instrumentation p = i.next(); 3818 if (targetPackage == null 3819 || targetPackage.equals(p.info.targetPackage)) { 3820 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3821 flags); 3822 if (ii != null) { 3823 finalList.add(ii); 3824 } 3825 } 3826 } 3827 } 3828 3829 return finalList; 3830 } 3831 3832 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3833 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3834 if (overlays == null) { 3835 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3836 return; 3837 } 3838 for (PackageParser.Package opkg : overlays.values()) { 3839 // Not much to do if idmap fails: we already logged the error 3840 // and we certainly don't want to abort installation of pkg simply 3841 // because an overlay didn't fit properly. For these reasons, 3842 // ignore the return value of createIdmapForPackagePairLI. 3843 createIdmapForPackagePairLI(pkg, opkg); 3844 } 3845 } 3846 3847 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3848 PackageParser.Package opkg) { 3849 if (!opkg.mTrustedOverlay) { 3850 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 3851 opkg.mScanPath + ": overlay not trusted"); 3852 return false; 3853 } 3854 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3855 if (overlaySet == null) { 3856 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 3857 opkg.mScanPath + " but target package has no known overlays"); 3858 return false; 3859 } 3860 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3861 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 3862 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 3863 return false; 3864 } 3865 PackageParser.Package[] overlayArray = 3866 overlaySet.values().toArray(new PackageParser.Package[0]); 3867 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3868 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3869 return p1.mOverlayPriority - p2.mOverlayPriority; 3870 } 3871 }; 3872 Arrays.sort(overlayArray, cmp); 3873 3874 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3875 int i = 0; 3876 for (PackageParser.Package p : overlayArray) { 3877 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 3878 } 3879 return true; 3880 } 3881 3882 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3883 String[] files = dir.list(); 3884 if (files == null) { 3885 Log.d(TAG, "No files in app dir " + dir); 3886 return; 3887 } 3888 3889 if (DEBUG_PACKAGE_SCANNING) { 3890 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3891 + " flags=0x" + Integer.toHexString(flags)); 3892 } 3893 3894 int i; 3895 for (i=0; i<files.length; i++) { 3896 File file = new File(dir, files[i]); 3897 if (!isPackageFilename(files[i])) { 3898 // Ignore entries which are not apk's 3899 continue; 3900 } 3901 PackageParser.Package pkg = scanPackageLI(file, 3902 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3903 // Don't mess around with apps in system partition. 3904 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3905 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3906 // Delete the apk 3907 Slog.w(TAG, "Cleaning up failed install of " + file); 3908 file.delete(); 3909 } 3910 } 3911 } 3912 3913 private static File getSettingsProblemFile() { 3914 File dataDir = Environment.getDataDirectory(); 3915 File systemDir = new File(dataDir, "system"); 3916 File fname = new File(systemDir, "uiderrors.txt"); 3917 return fname; 3918 } 3919 3920 static void reportSettingsProblem(int priority, String msg) { 3921 try { 3922 File fname = getSettingsProblemFile(); 3923 FileOutputStream out = new FileOutputStream(fname, true); 3924 PrintWriter pw = new FastPrintWriter(out); 3925 SimpleDateFormat formatter = new SimpleDateFormat(); 3926 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3927 pw.println(dateString + ": " + msg); 3928 pw.close(); 3929 FileUtils.setPermissions( 3930 fname.toString(), 3931 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3932 -1, -1); 3933 } catch (java.io.IOException e) { 3934 } 3935 Slog.println(priority, TAG, msg); 3936 } 3937 3938 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3939 PackageParser.Package pkg, File srcFile, int parseFlags) { 3940 if (ps != null 3941 && ps.codePath.equals(srcFile) 3942 && ps.timeStamp == srcFile.lastModified() 3943 && !isCompatSignatureUpdateNeeded(pkg)) { 3944 if (ps.signatures.mSignatures != null 3945 && ps.signatures.mSignatures.length != 0) { 3946 // Optimization: reuse the existing cached certificates 3947 // if the package appears to be unchanged. 3948 pkg.mSignatures = ps.signatures.mSignatures; 3949 return true; 3950 } 3951 3952 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3953 } else { 3954 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3955 } 3956 3957 if (!pp.collectCertificates(pkg, parseFlags)) { 3958 mLastScanError = pp.getParseError(); 3959 return false; 3960 } 3961 return true; 3962 } 3963 3964 /* 3965 * Scan a package and return the newly parsed package. 3966 * Returns null in case of errors and the error code is stored in mLastScanError 3967 */ 3968 private PackageParser.Package scanPackageLI(File scanFile, 3969 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3970 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3971 String scanPath = scanFile.getPath(); 3972 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3973 parseFlags |= mDefParseFlags; 3974 PackageParser pp = new PackageParser(scanPath); 3975 pp.setSeparateProcesses(mSeparateProcesses); 3976 pp.setOnlyCoreApps(mOnlyCore); 3977 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3978 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 3979 3980 if (pkg == null) { 3981 mLastScanError = pp.getParseError(); 3982 return null; 3983 } 3984 3985 PackageSetting ps = null; 3986 PackageSetting updatedPkg; 3987 // reader 3988 synchronized (mPackages) { 3989 // Look to see if we already know about this package. 3990 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3991 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3992 // This package has been renamed to its original name. Let's 3993 // use that. 3994 ps = mSettings.peekPackageLPr(oldName); 3995 } 3996 // If there was no original package, see one for the real package name. 3997 if (ps == null) { 3998 ps = mSettings.peekPackageLPr(pkg.packageName); 3999 } 4000 // Check to see if this package could be hiding/updating a system 4001 // package. Must look for it either under the original or real 4002 // package name depending on our state. 4003 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4004 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4005 } 4006 boolean updatedPkgBetter = false; 4007 // First check if this is a system package that may involve an update 4008 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4009 if (ps != null && !ps.codePath.equals(scanFile)) { 4010 // The path has changed from what was last scanned... check the 4011 // version of the new path against what we have stored to determine 4012 // what to do. 4013 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4014 if (pkg.mVersionCode < ps.versionCode) { 4015 // The system package has been updated and the code path does not match 4016 // Ignore entry. Skip it. 4017 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4018 + " ignored: updated version " + ps.versionCode 4019 + " better than this " + pkg.mVersionCode); 4020 if (!updatedPkg.codePath.equals(scanFile)) { 4021 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4022 + ps.name + " changing from " + updatedPkg.codePathString 4023 + " to " + scanFile); 4024 updatedPkg.codePath = scanFile; 4025 updatedPkg.codePathString = scanFile.toString(); 4026 // This is the point at which we know that the system-disk APK 4027 // for this package has moved during a reboot (e.g. due to an OTA), 4028 // so we need to reevaluate it for privilege policy. 4029 if (locationIsPrivileged(scanFile)) { 4030 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4031 } 4032 } 4033 updatedPkg.pkg = pkg; 4034 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4035 return null; 4036 } else { 4037 // The current app on the system partion is better than 4038 // what we have updated to on the data partition; switch 4039 // back to the system partition version. 4040 // At this point, its safely assumed that package installation for 4041 // apps in system partition will go through. If not there won't be a working 4042 // version of the app 4043 // writer 4044 synchronized (mPackages) { 4045 // Just remove the loaded entries from package lists. 4046 mPackages.remove(ps.name); 4047 } 4048 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4049 + "reverting from " + ps.codePathString 4050 + ": new version " + pkg.mVersionCode 4051 + " better than installed " + ps.versionCode); 4052 4053 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4054 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 4055 synchronized (mInstallLock) { 4056 args.cleanUpResourcesLI(); 4057 } 4058 synchronized (mPackages) { 4059 mSettings.enableSystemPackageLPw(ps.name); 4060 } 4061 updatedPkgBetter = true; 4062 } 4063 } 4064 } 4065 4066 if (updatedPkg != null) { 4067 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4068 // initially 4069 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4070 4071 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4072 // flag set initially 4073 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4074 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4075 } 4076 } 4077 // Verify certificates against what was last scanned 4078 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4079 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4080 return null; 4081 } 4082 4083 /* 4084 * A new system app appeared, but we already had a non-system one of the 4085 * same name installed earlier. 4086 */ 4087 boolean shouldHideSystemApp = false; 4088 if (updatedPkg == null && ps != null 4089 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4090 /* 4091 * Check to make sure the signatures match first. If they don't, 4092 * wipe the installed application and its data. 4093 */ 4094 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4095 != PackageManager.SIGNATURE_MATCH) { 4096 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4097 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4098 ps = null; 4099 } else { 4100 /* 4101 * If the newly-added system app is an older version than the 4102 * already installed version, hide it. It will be scanned later 4103 * and re-added like an update. 4104 */ 4105 if (pkg.mVersionCode < ps.versionCode) { 4106 shouldHideSystemApp = true; 4107 } else { 4108 /* 4109 * The newly found system app is a newer version that the 4110 * one previously installed. Simply remove the 4111 * already-installed application and replace it with our own 4112 * while keeping the application data. 4113 */ 4114 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4115 + ps.codePathString + ": new version " + pkg.mVersionCode 4116 + " better than installed " + ps.versionCode); 4117 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4118 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 4119 synchronized (mInstallLock) { 4120 args.cleanUpResourcesLI(); 4121 } 4122 } 4123 } 4124 } 4125 4126 // The apk is forward locked (not public) if its code and resources 4127 // are kept in different files. (except for app in either system or 4128 // vendor path). 4129 // TODO grab this value from PackageSettings 4130 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4131 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4132 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4133 } 4134 } 4135 4136 String codePath = null; 4137 String resPath = null; 4138 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4139 if (ps != null && ps.resourcePathString != null) { 4140 resPath = ps.resourcePathString; 4141 } else { 4142 // Should not happen at all. Just log an error. 4143 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4144 } 4145 } else { 4146 resPath = pkg.mScanPath; 4147 } 4148 4149 codePath = pkg.mScanPath; 4150 // Set application objects path explicitly. 4151 setApplicationInfoPaths(pkg, codePath, resPath); 4152 // Applications can run with the primary Cpu Abi unless otherwise is specified 4153 pkg.applicationInfo.requiredCpuAbi = null; 4154 // Note that we invoke the following method only if we are about to unpack an application 4155 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4156 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4157 4158 /* 4159 * If the system app should be overridden by a previously installed 4160 * data, hide the system app now and let the /data/app scan pick it up 4161 * again. 4162 */ 4163 if (shouldHideSystemApp) { 4164 synchronized (mPackages) { 4165 /* 4166 * We have to grant systems permissions before we hide, because 4167 * grantPermissions will assume the package update is trying to 4168 * expand its permissions. 4169 */ 4170 grantPermissionsLPw(pkg, true); 4171 mSettings.disableSystemPackageLPw(pkg.packageName); 4172 } 4173 } 4174 4175 return scannedPkg; 4176 } 4177 4178 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4179 String destResPath) { 4180 pkg.mPath = pkg.mScanPath = destCodePath; 4181 pkg.applicationInfo.sourceDir = destCodePath; 4182 pkg.applicationInfo.publicSourceDir = destResPath; 4183 } 4184 4185 private static String fixProcessName(String defProcessName, 4186 String processName, int uid) { 4187 if (processName == null) { 4188 return defProcessName; 4189 } 4190 return processName; 4191 } 4192 4193 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4194 if (pkgSetting.signatures.mSignatures != null) { 4195 // Already existing package. Make sure signatures match 4196 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4197 == PackageManager.SIGNATURE_MATCH; 4198 if (!match) { 4199 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4200 == PackageManager.SIGNATURE_MATCH; 4201 } 4202 if (!match) { 4203 Slog.e(TAG, "Package " + pkg.packageName 4204 + " signatures do not match the previously installed version; ignoring!"); 4205 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4206 return false; 4207 } 4208 } 4209 // Check for shared user signatures 4210 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4211 // Already existing package. Make sure signatures match 4212 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4213 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4214 if (!match) { 4215 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4216 == PackageManager.SIGNATURE_MATCH; 4217 } 4218 if (!match) { 4219 Slog.e(TAG, "Package " + pkg.packageName 4220 + " has no signatures that match those in shared user " 4221 + pkgSetting.sharedUser.name + "; ignoring!"); 4222 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4223 return false; 4224 } 4225 } 4226 return true; 4227 } 4228 4229 /** 4230 * Enforces that only the system UID or root's UID can call a method exposed 4231 * via Binder. 4232 * 4233 * @param message used as message if SecurityException is thrown 4234 * @throws SecurityException if the caller is not system or root 4235 */ 4236 private static final void enforceSystemOrRoot(String message) { 4237 final int uid = Binder.getCallingUid(); 4238 if (uid != Process.SYSTEM_UID && uid != 0) { 4239 throw new SecurityException(message); 4240 } 4241 } 4242 4243 public void performBootDexOpt() { 4244 HashSet<PackageParser.Package> pkgs = null; 4245 synchronized (mPackages) { 4246 pkgs = mDeferredDexOpt; 4247 mDeferredDexOpt = null; 4248 } 4249 if (pkgs != null) { 4250 int i = 0; 4251 for (PackageParser.Package pkg : pkgs) { 4252 if (!isFirstBoot()) { 4253 i++; 4254 try { 4255 ActivityManagerNative.getDefault().showBootMessage( 4256 mContext.getResources().getString( 4257 com.android.internal.R.string.android_upgrading_apk, 4258 i, pkgs.size()), true); 4259 } catch (RemoteException e) { 4260 } 4261 } 4262 PackageParser.Package p = pkg; 4263 synchronized (mInstallLock) { 4264 if (!p.mDidDexOpt) { 4265 performDexOptLI(p, false, false, true); 4266 } 4267 } 4268 } 4269 } 4270 } 4271 4272 public boolean performDexOpt(String packageName) { 4273 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4274 4275 if (!mNoDexOpt) { 4276 return false; 4277 } 4278 4279 PackageParser.Package p; 4280 synchronized (mPackages) { 4281 p = mPackages.get(packageName); 4282 if (p == null || p.mDidDexOpt) { 4283 return false; 4284 } 4285 } 4286 synchronized (mInstallLock) { 4287 return performDexOptLI(p, false, false, true) == DEX_OPT_PERFORMED; 4288 } 4289 } 4290 4291 private void performDexOptLibsLI(ArrayList<String> libs, boolean forceDex, boolean defer, 4292 HashSet<String> done) { 4293 for (int i=0; i<libs.size(); i++) { 4294 PackageParser.Package libPkg; 4295 String libName; 4296 synchronized (mPackages) { 4297 libName = libs.get(i); 4298 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4299 if (lib != null && lib.apk != null) { 4300 libPkg = mPackages.get(lib.apk); 4301 } else { 4302 libPkg = null; 4303 } 4304 } 4305 if (libPkg != null && !done.contains(libName)) { 4306 performDexOptLI(libPkg, forceDex, defer, done); 4307 } 4308 } 4309 } 4310 4311 static final int DEX_OPT_SKIPPED = 0; 4312 static final int DEX_OPT_PERFORMED = 1; 4313 static final int DEX_OPT_DEFERRED = 2; 4314 static final int DEX_OPT_FAILED = -1; 4315 4316 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4317 HashSet<String> done) { 4318 boolean performed = false; 4319 if (done != null) { 4320 done.add(pkg.packageName); 4321 if (pkg.usesLibraries != null) { 4322 performDexOptLibsLI(pkg.usesLibraries, forceDex, defer, done); 4323 } 4324 if (pkg.usesOptionalLibraries != null) { 4325 performDexOptLibsLI(pkg.usesOptionalLibraries, forceDex, defer, done); 4326 } 4327 } 4328 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4329 String path = pkg.mScanPath; 4330 int ret = 0; 4331 try { 4332 if (forceDex || dalvik.system.DexFile.isDexOptNeededInternal(path, pkg.packageName, 4333 defer)) { 4334 if (!forceDex && defer) { 4335 if (mDeferredDexOpt == null) { 4336 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4337 } 4338 mDeferredDexOpt.add(pkg); 4339 return DEX_OPT_DEFERRED; 4340 } else { 4341 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4342 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4343 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4344 pkg.packageName); 4345 pkg.mDidDexOpt = true; 4346 performed = true; 4347 } 4348 } 4349 } catch (FileNotFoundException e) { 4350 Slog.w(TAG, "Apk not found for dexopt: " + path); 4351 ret = -1; 4352 } catch (IOException e) { 4353 Slog.w(TAG, "IOException reading apk: " + path, e); 4354 ret = -1; 4355 } catch (dalvik.system.StaleDexCacheError e) { 4356 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4357 ret = -1; 4358 } catch (Exception e) { 4359 Slog.w(TAG, "Exception when doing dexopt : ", e); 4360 ret = -1; 4361 } 4362 if (ret < 0) { 4363 //error from installer 4364 return DEX_OPT_FAILED; 4365 } 4366 } 4367 4368 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4369 } 4370 4371 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4372 boolean inclDependencies) { 4373 HashSet<String> done; 4374 boolean performed = false; 4375 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4376 done = new HashSet<String>(); 4377 done.add(pkg.packageName); 4378 } else { 4379 done = null; 4380 } 4381 return performDexOptLI(pkg, forceDex, defer, done); 4382 } 4383 4384 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4385 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4386 Slog.w(TAG, "Unable to update from " + oldPkg.name 4387 + " to " + newPkg.packageName 4388 + ": old package not in system partition"); 4389 return false; 4390 } else if (mPackages.get(oldPkg.name) != null) { 4391 Slog.w(TAG, "Unable to update from " + oldPkg.name 4392 + " to " + newPkg.packageName 4393 + ": old package still exists"); 4394 return false; 4395 } 4396 return true; 4397 } 4398 4399 File getDataPathForUser(int userId) { 4400 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4401 } 4402 4403 private File getDataPathForPackage(String packageName, int userId) { 4404 /* 4405 * Until we fully support multiple users, return the directory we 4406 * previously would have. The PackageManagerTests will need to be 4407 * revised when this is changed back.. 4408 */ 4409 if (userId == 0) { 4410 return new File(mAppDataDir, packageName); 4411 } else { 4412 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4413 + File.separator + packageName); 4414 } 4415 } 4416 4417 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4418 int[] users = sUserManager.getUserIds(); 4419 int res = mInstaller.install(packageName, uid, uid, seinfo); 4420 if (res < 0) { 4421 return res; 4422 } 4423 for (int user : users) { 4424 if (user != 0) { 4425 res = mInstaller.createUserData(packageName, 4426 UserHandle.getUid(user, uid), user, seinfo); 4427 if (res < 0) { 4428 return res; 4429 } 4430 } 4431 } 4432 return res; 4433 } 4434 4435 private int removeDataDirsLI(String packageName) { 4436 int[] users = sUserManager.getUserIds(); 4437 int res = 0; 4438 for (int user : users) { 4439 int resInner = mInstaller.remove(packageName, user); 4440 if (resInner < 0) { 4441 res = resInner; 4442 } 4443 } 4444 4445 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4446 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4447 if (!nativeLibraryFile.delete()) { 4448 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4449 } 4450 4451 return res; 4452 } 4453 4454 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4455 PackageParser.Package changingLib) { 4456 if (file.path != null) { 4457 mTmpSharedLibraries[num] = file.path; 4458 return num+1; 4459 } 4460 PackageParser.Package p = mPackages.get(file.apk); 4461 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4462 // If we are doing this while in the middle of updating a library apk, 4463 // then we need to make sure to use that new apk for determining the 4464 // dependencies here. (We haven't yet finished committing the new apk 4465 // to the package manager state.) 4466 if (p == null || p.packageName.equals(changingLib.packageName)) { 4467 p = changingLib; 4468 } 4469 } 4470 if (p != null) { 4471 String path = p.mPath; 4472 for (int i=0; i<num; i++) { 4473 if (mTmpSharedLibraries[i].equals(path)) { 4474 return num; 4475 } 4476 } 4477 mTmpSharedLibraries[num] = p.mPath; 4478 return num+1; 4479 } 4480 return num; 4481 } 4482 4483 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4484 PackageParser.Package changingLib) { 4485 // We might be upgrading from a version of the platform that did not 4486 // provide per-package native library directories for system apps. 4487 // Fix that up here. 4488 if (isSystemApp(pkg)) { 4489 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4490 setInternalAppNativeLibraryPath(pkg, ps); 4491 } 4492 4493 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4494 if (mTmpSharedLibraries == null || 4495 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4496 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4497 } 4498 int num = 0; 4499 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4500 for (int i=0; i<N; i++) { 4501 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4502 if (file == null) { 4503 Slog.e(TAG, "Package " + pkg.packageName 4504 + " requires unavailable shared library " 4505 + pkg.usesLibraries.get(i) + "; failing!"); 4506 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4507 return false; 4508 } 4509 num = addSharedLibraryLPw(file, num, changingLib); 4510 } 4511 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4512 for (int i=0; i<N; i++) { 4513 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4514 if (file == null) { 4515 Slog.w(TAG, "Package " + pkg.packageName 4516 + " desires unavailable shared library " 4517 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4518 } else { 4519 num = addSharedLibraryLPw(file, num, changingLib); 4520 } 4521 } 4522 if (num > 0) { 4523 pkg.usesLibraryFiles = new String[num]; 4524 System.arraycopy(mTmpSharedLibraries, 0, 4525 pkg.usesLibraryFiles, 0, num); 4526 } else { 4527 pkg.usesLibraryFiles = null; 4528 } 4529 } 4530 return true; 4531 } 4532 4533 private static boolean hasString(List<String> list, List<String> which) { 4534 if (list == null) { 4535 return false; 4536 } 4537 for (int i=list.size()-1; i>=0; i--) { 4538 for (int j=which.size()-1; j>=0; j--) { 4539 if (which.get(j).equals(list.get(i))) { 4540 return true; 4541 } 4542 } 4543 } 4544 return false; 4545 } 4546 4547 private void updateAllSharedLibrariesLPw() { 4548 for (PackageParser.Package pkg : mPackages.values()) { 4549 updateSharedLibrariesLPw(pkg, null); 4550 } 4551 } 4552 4553 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4554 PackageParser.Package changingPkg) { 4555 ArrayList<PackageParser.Package> res = null; 4556 for (PackageParser.Package pkg : mPackages.values()) { 4557 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4558 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4559 if (res == null) { 4560 res = new ArrayList<PackageParser.Package>(); 4561 } 4562 res.add(pkg); 4563 updateSharedLibrariesLPw(pkg, changingPkg); 4564 } 4565 } 4566 return res; 4567 } 4568 4569 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4570 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4571 File scanFile = new File(pkg.mScanPath); 4572 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4573 pkg.applicationInfo.publicSourceDir == null) { 4574 // Bail out. The resource and code paths haven't been set. 4575 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4576 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4577 return null; 4578 } 4579 4580 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4581 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4582 } 4583 4584 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4585 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4586 } 4587 4588 if (mCustomResolverComponentName != null && 4589 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4590 setUpCustomResolverActivity(pkg); 4591 } 4592 4593 if (pkg.packageName.equals("android")) { 4594 synchronized (mPackages) { 4595 if (mAndroidApplication != null) { 4596 Slog.w(TAG, "*************************************************"); 4597 Slog.w(TAG, "Core android package being redefined. Skipping."); 4598 Slog.w(TAG, " file=" + scanFile); 4599 Slog.w(TAG, "*************************************************"); 4600 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4601 return null; 4602 } 4603 4604 // Set up information for our fall-back user intent resolution activity. 4605 mPlatformPackage = pkg; 4606 pkg.mVersionCode = mSdkVersion; 4607 mAndroidApplication = pkg.applicationInfo; 4608 4609 if (!mResolverReplaced) { 4610 mResolveActivity.applicationInfo = mAndroidApplication; 4611 mResolveActivity.name = ResolverActivity.class.getName(); 4612 mResolveActivity.packageName = mAndroidApplication.packageName; 4613 mResolveActivity.processName = "system:ui"; 4614 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4615 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4616 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4617 mResolveActivity.exported = true; 4618 mResolveActivity.enabled = true; 4619 mResolveInfo.activityInfo = mResolveActivity; 4620 mResolveInfo.priority = 0; 4621 mResolveInfo.preferredOrder = 0; 4622 mResolveInfo.match = 0; 4623 mResolveComponentName = new ComponentName( 4624 mAndroidApplication.packageName, mResolveActivity.name); 4625 } 4626 } 4627 } 4628 4629 if (DEBUG_PACKAGE_SCANNING) { 4630 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4631 Log.d(TAG, "Scanning package " + pkg.packageName); 4632 } 4633 4634 if (mPackages.containsKey(pkg.packageName) 4635 || mSharedLibraries.containsKey(pkg.packageName)) { 4636 Slog.w(TAG, "Application package " + pkg.packageName 4637 + " already installed. Skipping duplicate."); 4638 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4639 return null; 4640 } 4641 4642 // Initialize package source and resource directories 4643 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4644 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4645 4646 SharedUserSetting suid = null; 4647 PackageSetting pkgSetting = null; 4648 4649 if (!isSystemApp(pkg)) { 4650 // Only system apps can use these features. 4651 pkg.mOriginalPackages = null; 4652 pkg.mRealPackage = null; 4653 pkg.mAdoptPermissions = null; 4654 } 4655 4656 // writer 4657 synchronized (mPackages) { 4658 if (pkg.mSharedUserId != null) { 4659 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4660 if (suid == null) { 4661 Slog.w(TAG, "Creating application package " + pkg.packageName 4662 + " for shared user failed"); 4663 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4664 return null; 4665 } 4666 if (DEBUG_PACKAGE_SCANNING) { 4667 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4668 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4669 + "): packages=" + suid.packages); 4670 } 4671 } 4672 4673 // Check if we are renaming from an original package name. 4674 PackageSetting origPackage = null; 4675 String realName = null; 4676 if (pkg.mOriginalPackages != null) { 4677 // This package may need to be renamed to a previously 4678 // installed name. Let's check on that... 4679 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4680 if (pkg.mOriginalPackages.contains(renamed)) { 4681 // This package had originally been installed as the 4682 // original name, and we have already taken care of 4683 // transitioning to the new one. Just update the new 4684 // one to continue using the old name. 4685 realName = pkg.mRealPackage; 4686 if (!pkg.packageName.equals(renamed)) { 4687 // Callers into this function may have already taken 4688 // care of renaming the package; only do it here if 4689 // it is not already done. 4690 pkg.setPackageName(renamed); 4691 } 4692 4693 } else { 4694 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4695 if ((origPackage = mSettings.peekPackageLPr( 4696 pkg.mOriginalPackages.get(i))) != null) { 4697 // We do have the package already installed under its 4698 // original name... should we use it? 4699 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4700 // New package is not compatible with original. 4701 origPackage = null; 4702 continue; 4703 } else if (origPackage.sharedUser != null) { 4704 // Make sure uid is compatible between packages. 4705 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4706 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4707 + " to " + pkg.packageName + ": old uid " 4708 + origPackage.sharedUser.name 4709 + " differs from " + pkg.mSharedUserId); 4710 origPackage = null; 4711 continue; 4712 } 4713 } else { 4714 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4715 + pkg.packageName + " to old name " + origPackage.name); 4716 } 4717 break; 4718 } 4719 } 4720 } 4721 } 4722 4723 if (mTransferedPackages.contains(pkg.packageName)) { 4724 Slog.w(TAG, "Package " + pkg.packageName 4725 + " was transferred to another, but its .apk remains"); 4726 } 4727 4728 // Just create the setting, don't add it yet. For already existing packages 4729 // the PkgSetting exists already and doesn't have to be created. 4730 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4731 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4732 pkg.applicationInfo.requiredCpuAbi, 4733 pkg.applicationInfo.flags, user, false); 4734 if (pkgSetting == null) { 4735 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4736 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4737 return null; 4738 } 4739 4740 if (pkgSetting.origPackage != null) { 4741 // If we are first transitioning from an original package, 4742 // fix up the new package's name now. We need to do this after 4743 // looking up the package under its new name, so getPackageLP 4744 // can take care of fiddling things correctly. 4745 pkg.setPackageName(origPackage.name); 4746 4747 // File a report about this. 4748 String msg = "New package " + pkgSetting.realName 4749 + " renamed to replace old package " + pkgSetting.name; 4750 reportSettingsProblem(Log.WARN, msg); 4751 4752 // Make a note of it. 4753 mTransferedPackages.add(origPackage.name); 4754 4755 // No longer need to retain this. 4756 pkgSetting.origPackage = null; 4757 } 4758 4759 if (realName != null) { 4760 // Make a note of it. 4761 mTransferedPackages.add(pkg.packageName); 4762 } 4763 4764 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4765 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4766 } 4767 4768 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4769 // Check all shared libraries and map to their actual file path. 4770 // We only do this here for apps not on a system dir, because those 4771 // are the only ones that can fail an install due to this. We 4772 // will take care of the system apps by updating all of their 4773 // library paths after the scan is done. 4774 if (!updateSharedLibrariesLPw(pkg, null)) { 4775 return null; 4776 } 4777 } 4778 4779 if (mFoundPolicyFile) { 4780 SELinuxMMAC.assignSeinfoValue(pkg); 4781 } 4782 4783 pkg.applicationInfo.uid = pkgSetting.appId; 4784 pkg.mExtras = pkgSetting; 4785 4786 if (!verifySignaturesLP(pkgSetting, pkg)) { 4787 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4788 return null; 4789 } 4790 // The signature has changed, but this package is in the system 4791 // image... let's recover! 4792 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4793 // However... if this package is part of a shared user, but it 4794 // doesn't match the signature of the shared user, let's fail. 4795 // What this means is that you can't change the signatures 4796 // associated with an overall shared user, which doesn't seem all 4797 // that unreasonable. 4798 if (pkgSetting.sharedUser != null) { 4799 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4800 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4801 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4802 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4803 return null; 4804 } 4805 } 4806 // File a report about this. 4807 String msg = "System package " + pkg.packageName 4808 + " signature changed; retaining data."; 4809 reportSettingsProblem(Log.WARN, msg); 4810 } 4811 4812 // Verify that this new package doesn't have any content providers 4813 // that conflict with existing packages. Only do this if the 4814 // package isn't already installed, since we don't want to break 4815 // things that are installed. 4816 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4817 final int N = pkg.providers.size(); 4818 int i; 4819 for (i=0; i<N; i++) { 4820 PackageParser.Provider p = pkg.providers.get(i); 4821 if (p.info.authority != null) { 4822 String names[] = p.info.authority.split(";"); 4823 for (int j = 0; j < names.length; j++) { 4824 if (mProvidersByAuthority.containsKey(names[j])) { 4825 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4826 Slog.w(TAG, "Can't install because provider name " + names[j] + 4827 " (in package " + pkg.applicationInfo.packageName + 4828 ") is already used by " 4829 + ((other != null && other.getComponentName() != null) 4830 ? other.getComponentName().getPackageName() : "?")); 4831 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4832 return null; 4833 } 4834 } 4835 } 4836 } 4837 } 4838 4839 if (pkg.mAdoptPermissions != null) { 4840 // This package wants to adopt ownership of permissions from 4841 // another package. 4842 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4843 final String origName = pkg.mAdoptPermissions.get(i); 4844 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4845 if (orig != null) { 4846 if (verifyPackageUpdateLPr(orig, pkg)) { 4847 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4848 + pkg.packageName); 4849 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4850 } 4851 } 4852 } 4853 } 4854 } 4855 4856 final String pkgName = pkg.packageName; 4857 4858 final long scanFileTime = scanFile.lastModified(); 4859 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4860 pkg.applicationInfo.processName = fixProcessName( 4861 pkg.applicationInfo.packageName, 4862 pkg.applicationInfo.processName, 4863 pkg.applicationInfo.uid); 4864 4865 File dataPath; 4866 if (mPlatformPackage == pkg) { 4867 // The system package is special. 4868 dataPath = new File (Environment.getDataDirectory(), "system"); 4869 pkg.applicationInfo.dataDir = dataPath.getPath(); 4870 } else { 4871 // This is a normal package, need to make its data directory. 4872 dataPath = getDataPathForPackage(pkg.packageName, 0); 4873 4874 boolean uidError = false; 4875 4876 if (dataPath.exists()) { 4877 int currentUid = 0; 4878 try { 4879 StructStat stat = Os.stat(dataPath.getPath()); 4880 currentUid = stat.st_uid; 4881 } catch (ErrnoException e) { 4882 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4883 } 4884 4885 // If we have mismatched owners for the data path, we have a problem. 4886 if (currentUid != pkg.applicationInfo.uid) { 4887 boolean recovered = false; 4888 if (currentUid == 0) { 4889 // The directory somehow became owned by root. Wow. 4890 // This is probably because the system was stopped while 4891 // installd was in the middle of messing with its libs 4892 // directory. Ask installd to fix that. 4893 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4894 pkg.applicationInfo.uid); 4895 if (ret >= 0) { 4896 recovered = true; 4897 String msg = "Package " + pkg.packageName 4898 + " unexpectedly changed to uid 0; recovered to " + 4899 + pkg.applicationInfo.uid; 4900 reportSettingsProblem(Log.WARN, msg); 4901 } 4902 } 4903 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4904 || (scanMode&SCAN_BOOTING) != 0)) { 4905 // If this is a system app, we can at least delete its 4906 // current data so the application will still work. 4907 int ret = removeDataDirsLI(pkgName); 4908 if (ret >= 0) { 4909 // TODO: Kill the processes first 4910 // Old data gone! 4911 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4912 ? "System package " : "Third party package "; 4913 String msg = prefix + pkg.packageName 4914 + " has changed from uid: " 4915 + currentUid + " to " 4916 + pkg.applicationInfo.uid + "; old data erased"; 4917 reportSettingsProblem(Log.WARN, msg); 4918 recovered = true; 4919 4920 // And now re-install the app. 4921 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4922 pkg.applicationInfo.seinfo); 4923 if (ret == -1) { 4924 // Ack should not happen! 4925 msg = prefix + pkg.packageName 4926 + " could not have data directory re-created after delete."; 4927 reportSettingsProblem(Log.WARN, msg); 4928 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4929 return null; 4930 } 4931 } 4932 if (!recovered) { 4933 mHasSystemUidErrors = true; 4934 } 4935 } else if (!recovered) { 4936 // If we allow this install to proceed, we will be broken. 4937 // Abort, abort! 4938 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4939 return null; 4940 } 4941 if (!recovered) { 4942 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4943 + pkg.applicationInfo.uid + "/fs_" 4944 + currentUid; 4945 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4946 String msg = "Package " + pkg.packageName 4947 + " has mismatched uid: " 4948 + currentUid + " on disk, " 4949 + pkg.applicationInfo.uid + " in settings"; 4950 // writer 4951 synchronized (mPackages) { 4952 mSettings.mReadMessages.append(msg); 4953 mSettings.mReadMessages.append('\n'); 4954 uidError = true; 4955 if (!pkgSetting.uidError) { 4956 reportSettingsProblem(Log.ERROR, msg); 4957 } 4958 } 4959 } 4960 } 4961 pkg.applicationInfo.dataDir = dataPath.getPath(); 4962 if (mShouldRestoreconData) { 4963 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 4964 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 4965 pkg.applicationInfo.uid); 4966 } 4967 } else { 4968 if (DEBUG_PACKAGE_SCANNING) { 4969 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4970 Log.v(TAG, "Want this data dir: " + dataPath); 4971 } 4972 //invoke installer to do the actual installation 4973 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4974 pkg.applicationInfo.seinfo); 4975 if (ret < 0) { 4976 // Error from installer 4977 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4978 return null; 4979 } 4980 4981 if (dataPath.exists()) { 4982 pkg.applicationInfo.dataDir = dataPath.getPath(); 4983 } else { 4984 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4985 pkg.applicationInfo.dataDir = null; 4986 } 4987 } 4988 4989 /* 4990 * Set the data dir to the default "/data/data/<package name>/lib" 4991 * if we got here without anyone telling us different (e.g., apps 4992 * stored on SD card have their native libraries stored in the ASEC 4993 * container with the APK). 4994 * 4995 * This happens during an upgrade from a package settings file that 4996 * doesn't have a native library path attribute at all. 4997 */ 4998 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4999 if (pkgSetting.nativeLibraryPathString == null) { 5000 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5001 } else { 5002 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5003 } 5004 } 5005 pkgSetting.uidError = uidError; 5006 } 5007 5008 String path = scanFile.getPath(); 5009 /* Note: We don't want to unpack the native binaries for 5010 * system applications, unless they have been updated 5011 * (the binaries are already under /system/lib). 5012 * Also, don't unpack libs for apps on the external card 5013 * since they should have their libraries in the ASEC 5014 * container already. 5015 * 5016 * In other words, we're going to unpack the binaries 5017 * only for non-system apps and system app upgrades. 5018 */ 5019 if (pkg.applicationInfo.nativeLibraryDir != null) { 5020 try { 5021 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5022 final String dataPathString = dataPath.getCanonicalPath(); 5023 5024 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5025 /* 5026 * Upgrading from a previous version of the OS sometimes 5027 * leaves native libraries in the /data/data/<app>/lib 5028 * directory for system apps even when they shouldn't be. 5029 * Recent changes in the JNI library search path 5030 * necessitates we remove those to match previous behavior. 5031 */ 5032 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5033 Log.i(TAG, "removed obsolete native libraries for system package " 5034 + path); 5035 } 5036 } else { 5037 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5038 /* 5039 * Update native library dir if it starts with 5040 * /data/data 5041 */ 5042 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5043 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5044 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5045 } 5046 5047 try { 5048 int copyRet = copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir); 5049 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5050 Slog.e(TAG, "Unable to copy native libraries"); 5051 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5052 return null; 5053 } 5054 5055 // We've successfully copied native libraries across, so we make a 5056 // note of what ABI we're using 5057 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5058 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[copyRet]; 5059 } else { 5060 pkg.applicationInfo.requiredCpuAbi = null; 5061 } 5062 } catch (IOException e) { 5063 Slog.e(TAG, "Unable to copy native libraries", e); 5064 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5065 return null; 5066 } 5067 } 5068 5069 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5070 final int[] userIds = sUserManager.getUserIds(); 5071 synchronized (mInstallLock) { 5072 for (int userId : userIds) { 5073 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5074 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5075 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5076 + ")"); 5077 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5078 return null; 5079 } 5080 } 5081 } 5082 } 5083 } catch (IOException ioe) { 5084 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5085 } 5086 } 5087 pkg.mScanPath = path; 5088 5089 if ((scanMode&SCAN_NO_DEX) == 0) { 5090 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5091 == DEX_OPT_FAILED) { 5092 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5093 removeDataDirsLI(pkg.packageName); 5094 } 5095 5096 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5097 return null; 5098 } 5099 } 5100 5101 if (mFactoryTest && pkg.requestedPermissions.contains( 5102 android.Manifest.permission.FACTORY_TEST)) { 5103 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5104 } 5105 5106 ArrayList<PackageParser.Package> clientLibPkgs = null; 5107 5108 // writer 5109 synchronized (mPackages) { 5110 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5111 // Only system apps can add new shared libraries. 5112 if (pkg.libraryNames != null) { 5113 for (int i=0; i<pkg.libraryNames.size(); i++) { 5114 String name = pkg.libraryNames.get(i); 5115 boolean allowed = false; 5116 if (isUpdatedSystemApp(pkg)) { 5117 // New library entries can only be added through the 5118 // system image. This is important to get rid of a lot 5119 // of nasty edge cases: for example if we allowed a non- 5120 // system update of the app to add a library, then uninstalling 5121 // the update would make the library go away, and assumptions 5122 // we made such as through app install filtering would now 5123 // have allowed apps on the device which aren't compatible 5124 // with it. Better to just have the restriction here, be 5125 // conservative, and create many fewer cases that can negatively 5126 // impact the user experience. 5127 final PackageSetting sysPs = mSettings 5128 .getDisabledSystemPkgLPr(pkg.packageName); 5129 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5130 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5131 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5132 allowed = true; 5133 allowed = true; 5134 break; 5135 } 5136 } 5137 } 5138 } else { 5139 allowed = true; 5140 } 5141 if (allowed) { 5142 if (!mSharedLibraries.containsKey(name)) { 5143 mSharedLibraries.put(name, new SharedLibraryEntry(null, 5144 pkg.packageName)); 5145 } else if (!name.equals(pkg.packageName)) { 5146 Slog.w(TAG, "Package " + pkg.packageName + " library " 5147 + name + " already exists; skipping"); 5148 } 5149 } else { 5150 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5151 + name + " that is not declared on system image; skipping"); 5152 } 5153 } 5154 if ((scanMode&SCAN_BOOTING) == 0) { 5155 // If we are not booting, we need to update any applications 5156 // that are clients of our shared library. If we are booting, 5157 // this will all be done once the scan is complete. 5158 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5159 } 5160 } 5161 } 5162 } 5163 5164 // We also need to dexopt any apps that are dependent on this library. Note that 5165 // if these fail, we should abort the install since installing the library will 5166 // result in some apps being broken. 5167 if (clientLibPkgs != null) { 5168 if ((scanMode&SCAN_NO_DEX) == 0) { 5169 for (int i=0; i<clientLibPkgs.size(); i++) { 5170 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5171 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5172 == DEX_OPT_FAILED) { 5173 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5174 removeDataDirsLI(pkg.packageName); 5175 } 5176 5177 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5178 return null; 5179 } 5180 } 5181 } 5182 } 5183 5184 // Request the ActivityManager to kill the process(only for existing packages) 5185 // so that we do not end up in a confused state while the user is still using the older 5186 // version of the application while the new one gets installed. 5187 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5188 // If the package lives in an asec, tell everyone that the container is going 5189 // away so they can clean up any references to its resources (which would prevent 5190 // vold from being able to unmount the asec) 5191 if (isForwardLocked(pkg) || isExternal(pkg)) { 5192 if (DEBUG_INSTALL) { 5193 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5194 } 5195 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5196 final ArrayList<String> pkgList = new ArrayList<String>(1); 5197 pkgList.add(pkg.applicationInfo.packageName); 5198 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5199 } 5200 5201 // Post the request that it be killed now that the going-away broadcast is en route 5202 killApplication(pkg.applicationInfo.packageName, 5203 pkg.applicationInfo.uid, "update pkg"); 5204 } 5205 5206 // Also need to kill any apps that are dependent on the library. 5207 if (clientLibPkgs != null) { 5208 for (int i=0; i<clientLibPkgs.size(); i++) { 5209 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5210 killApplication(clientPkg.applicationInfo.packageName, 5211 clientPkg.applicationInfo.uid, "update lib"); 5212 } 5213 } 5214 5215 // writer 5216 synchronized (mPackages) { 5217 // We don't expect installation to fail beyond this point, 5218 if ((scanMode&SCAN_MONITOR) != 0) { 5219 mAppDirs.put(pkg.mPath, pkg); 5220 } 5221 // Add the new setting to mSettings 5222 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5223 // Add the new setting to mPackages 5224 mPackages.put(pkg.applicationInfo.packageName, pkg); 5225 // Make sure we don't accidentally delete its data. 5226 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5227 while (iter.hasNext()) { 5228 PackageCleanItem item = iter.next(); 5229 if (pkgName.equals(item.packageName)) { 5230 iter.remove(); 5231 } 5232 } 5233 5234 // Take care of first install / last update times. 5235 if (currentTime != 0) { 5236 if (pkgSetting.firstInstallTime == 0) { 5237 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5238 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5239 pkgSetting.lastUpdateTime = currentTime; 5240 } 5241 } else if (pkgSetting.firstInstallTime == 0) { 5242 // We need *something*. Take time time stamp of the file. 5243 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5244 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5245 if (scanFileTime != pkgSetting.timeStamp) { 5246 // A package on the system image has changed; consider this 5247 // to be an update. 5248 pkgSetting.lastUpdateTime = scanFileTime; 5249 } 5250 } 5251 5252 // Add the package's KeySets to the global KeySetManager 5253 KeySetManager ksm = mSettings.mKeySetManager; 5254 try { 5255 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5256 if (pkg.mKeySetMapping != null) { 5257 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5258 if (entry.getValue() != null) { 5259 ksm.addDefinedKeySetToPackage(pkg.packageName, 5260 entry.getValue(), entry.getKey()); 5261 } 5262 } 5263 } 5264 } catch (NullPointerException e) { 5265 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5266 } catch (IllegalArgumentException e) { 5267 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5268 } 5269 5270 int N = pkg.providers.size(); 5271 StringBuilder r = null; 5272 int i; 5273 for (i=0; i<N; i++) { 5274 PackageParser.Provider p = pkg.providers.get(i); 5275 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5276 p.info.processName, pkg.applicationInfo.uid); 5277 mProviders.addProvider(p); 5278 p.syncable = p.info.isSyncable; 5279 if (p.info.authority != null) { 5280 String names[] = p.info.authority.split(";"); 5281 p.info.authority = null; 5282 for (int j = 0; j < names.length; j++) { 5283 if (j == 1 && p.syncable) { 5284 // We only want the first authority for a provider to possibly be 5285 // syncable, so if we already added this provider using a different 5286 // authority clear the syncable flag. We copy the provider before 5287 // changing it because the mProviders object contains a reference 5288 // to a provider that we don't want to change. 5289 // Only do this for the second authority since the resulting provider 5290 // object can be the same for all future authorities for this provider. 5291 p = new PackageParser.Provider(p); 5292 p.syncable = false; 5293 } 5294 if (!mProvidersByAuthority.containsKey(names[j])) { 5295 mProvidersByAuthority.put(names[j], p); 5296 if (p.info.authority == null) { 5297 p.info.authority = names[j]; 5298 } else { 5299 p.info.authority = p.info.authority + ";" + names[j]; 5300 } 5301 if (DEBUG_PACKAGE_SCANNING) { 5302 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5303 Log.d(TAG, "Registered content provider: " + names[j] 5304 + ", className = " + p.info.name + ", isSyncable = " 5305 + p.info.isSyncable); 5306 } 5307 } else { 5308 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5309 Slog.w(TAG, "Skipping provider name " + names[j] + 5310 " (in package " + pkg.applicationInfo.packageName + 5311 "): name already used by " 5312 + ((other != null && other.getComponentName() != null) 5313 ? other.getComponentName().getPackageName() : "?")); 5314 } 5315 } 5316 } 5317 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5318 if (r == null) { 5319 r = new StringBuilder(256); 5320 } else { 5321 r.append(' '); 5322 } 5323 r.append(p.info.name); 5324 } 5325 } 5326 if (r != null) { 5327 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5328 } 5329 5330 N = pkg.services.size(); 5331 r = null; 5332 for (i=0; i<N; i++) { 5333 PackageParser.Service s = pkg.services.get(i); 5334 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5335 s.info.processName, pkg.applicationInfo.uid); 5336 mServices.addService(s); 5337 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5338 if (r == null) { 5339 r = new StringBuilder(256); 5340 } else { 5341 r.append(' '); 5342 } 5343 r.append(s.info.name); 5344 } 5345 } 5346 if (r != null) { 5347 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5348 } 5349 5350 N = pkg.receivers.size(); 5351 r = null; 5352 for (i=0; i<N; i++) { 5353 PackageParser.Activity a = pkg.receivers.get(i); 5354 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5355 a.info.processName, pkg.applicationInfo.uid); 5356 mReceivers.addActivity(a, "receiver"); 5357 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5358 if (r == null) { 5359 r = new StringBuilder(256); 5360 } else { 5361 r.append(' '); 5362 } 5363 r.append(a.info.name); 5364 } 5365 } 5366 if (r != null) { 5367 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5368 } 5369 5370 N = pkg.activities.size(); 5371 r = null; 5372 for (i=0; i<N; i++) { 5373 PackageParser.Activity a = pkg.activities.get(i); 5374 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5375 a.info.processName, pkg.applicationInfo.uid); 5376 mActivities.addActivity(a, "activity"); 5377 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5378 if (r == null) { 5379 r = new StringBuilder(256); 5380 } else { 5381 r.append(' '); 5382 } 5383 r.append(a.info.name); 5384 } 5385 } 5386 if (r != null) { 5387 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5388 } 5389 5390 N = pkg.permissionGroups.size(); 5391 r = null; 5392 for (i=0; i<N; i++) { 5393 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5394 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5395 if (cur == null) { 5396 mPermissionGroups.put(pg.info.name, pg); 5397 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5398 if (r == null) { 5399 r = new StringBuilder(256); 5400 } else { 5401 r.append(' '); 5402 } 5403 r.append(pg.info.name); 5404 } 5405 } else { 5406 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5407 + pg.info.packageName + " ignored: original from " 5408 + cur.info.packageName); 5409 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5410 if (r == null) { 5411 r = new StringBuilder(256); 5412 } else { 5413 r.append(' '); 5414 } 5415 r.append("DUP:"); 5416 r.append(pg.info.name); 5417 } 5418 } 5419 } 5420 if (r != null) { 5421 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5422 } 5423 5424 N = pkg.permissions.size(); 5425 r = null; 5426 for (i=0; i<N; i++) { 5427 PackageParser.Permission p = pkg.permissions.get(i); 5428 HashMap<String, BasePermission> permissionMap = 5429 p.tree ? mSettings.mPermissionTrees 5430 : mSettings.mPermissions; 5431 p.group = mPermissionGroups.get(p.info.group); 5432 if (p.info.group == null || p.group != null) { 5433 BasePermission bp = permissionMap.get(p.info.name); 5434 if (bp == null) { 5435 bp = new BasePermission(p.info.name, p.info.packageName, 5436 BasePermission.TYPE_NORMAL); 5437 permissionMap.put(p.info.name, bp); 5438 } 5439 if (bp.perm == null) { 5440 if (bp.sourcePackage != null 5441 && !bp.sourcePackage.equals(p.info.packageName)) { 5442 // If this is a permission that was formerly defined by a non-system 5443 // app, but is now defined by a system app (following an upgrade), 5444 // discard the previous declaration and consider the system's to be 5445 // canonical. 5446 if (isSystemApp(p.owner)) { 5447 String msg = "New decl " + p.owner + " of permission " 5448 + p.info.name + " is system"; 5449 reportSettingsProblem(Log.WARN, msg); 5450 bp.sourcePackage = null; 5451 } 5452 } 5453 if (bp.sourcePackage == null 5454 || bp.sourcePackage.equals(p.info.packageName)) { 5455 BasePermission tree = findPermissionTreeLP(p.info.name); 5456 if (tree == null 5457 || tree.sourcePackage.equals(p.info.packageName)) { 5458 bp.packageSetting = pkgSetting; 5459 bp.perm = p; 5460 bp.uid = pkg.applicationInfo.uid; 5461 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5462 if (r == null) { 5463 r = new StringBuilder(256); 5464 } else { 5465 r.append(' '); 5466 } 5467 r.append(p.info.name); 5468 } 5469 } else { 5470 Slog.w(TAG, "Permission " + p.info.name + " from package " 5471 + p.info.packageName + " ignored: base tree " 5472 + tree.name + " is from package " 5473 + tree.sourcePackage); 5474 } 5475 } else { 5476 Slog.w(TAG, "Permission " + p.info.name + " from package " 5477 + p.info.packageName + " ignored: original from " 5478 + bp.sourcePackage); 5479 } 5480 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5481 if (r == null) { 5482 r = new StringBuilder(256); 5483 } else { 5484 r.append(' '); 5485 } 5486 r.append("DUP:"); 5487 r.append(p.info.name); 5488 } 5489 if (bp.perm == p) { 5490 bp.protectionLevel = p.info.protectionLevel; 5491 } 5492 } else { 5493 Slog.w(TAG, "Permission " + p.info.name + " from package " 5494 + p.info.packageName + " ignored: no group " 5495 + p.group); 5496 } 5497 } 5498 if (r != null) { 5499 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5500 } 5501 5502 N = pkg.instrumentation.size(); 5503 r = null; 5504 for (i=0; i<N; i++) { 5505 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5506 a.info.packageName = pkg.applicationInfo.packageName; 5507 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5508 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5509 a.info.dataDir = pkg.applicationInfo.dataDir; 5510 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5511 mInstrumentation.put(a.getComponentName(), a); 5512 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5513 if (r == null) { 5514 r = new StringBuilder(256); 5515 } else { 5516 r.append(' '); 5517 } 5518 r.append(a.info.name); 5519 } 5520 } 5521 if (r != null) { 5522 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5523 } 5524 5525 if (pkg.protectedBroadcasts != null) { 5526 N = pkg.protectedBroadcasts.size(); 5527 for (i=0; i<N; i++) { 5528 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5529 } 5530 } 5531 5532 pkgSetting.setTimeStamp(scanFileTime); 5533 5534 // Create idmap files for pairs of (packages, overlay packages). 5535 // Note: "android", ie framework-res.apk, is handled by native layers. 5536 if (pkg.mOverlayTarget != null) { 5537 // This is an overlay package. 5538 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5539 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5540 mOverlays.put(pkg.mOverlayTarget, 5541 new HashMap<String, PackageParser.Package>()); 5542 } 5543 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5544 map.put(pkg.packageName, pkg); 5545 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5546 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5547 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5548 return null; 5549 } 5550 } 5551 } else if (mOverlays.containsKey(pkg.packageName) && 5552 !pkg.packageName.equals("android")) { 5553 // This is a regular package, with one or more known overlay packages. 5554 createIdmapsForPackageLI(pkg); 5555 } 5556 } 5557 5558 return pkg; 5559 } 5560 5561 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5562 synchronized (mPackages) { 5563 mResolverReplaced = true; 5564 // Set up information for custom user intent resolution activity. 5565 mResolveActivity.applicationInfo = pkg.applicationInfo; 5566 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5567 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5568 mResolveActivity.processName = null; 5569 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5570 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5571 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5572 mResolveActivity.theme = 0; 5573 mResolveActivity.exported = true; 5574 mResolveActivity.enabled = true; 5575 mResolveInfo.activityInfo = mResolveActivity; 5576 mResolveInfo.priority = 0; 5577 mResolveInfo.preferredOrder = 0; 5578 mResolveInfo.match = 0; 5579 mResolveComponentName = mCustomResolverComponentName; 5580 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5581 mResolveComponentName); 5582 } 5583 } 5584 5585 private String calculateApkRoot(final String codePathString) { 5586 final File codePath = new File(codePathString); 5587 final File codeRoot; 5588 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 5589 codeRoot = Environment.getRootDirectory(); 5590 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 5591 codeRoot = Environment.getOemDirectory(); 5592 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 5593 codeRoot = Environment.getVendorDirectory(); 5594 } else { 5595 // Unrecognized code path; take its top real segment as the apk root: 5596 // e.g. /something/app/blah.apk => /something 5597 try { 5598 File f = codePath.getCanonicalFile(); 5599 File parent = f.getParentFile(); // non-null because codePath is a file 5600 File tmp; 5601 while ((tmp = parent.getParentFile()) != null) { 5602 f = parent; 5603 parent = tmp; 5604 } 5605 codeRoot = f; 5606 Slog.w(TAG, "Unrecognized code path " 5607 + codePath + " - using " + codeRoot); 5608 } catch (IOException e) { 5609 // Can't canonicalize the lib path -- shenanigans? 5610 Slog.w(TAG, "Can't canonicalize code path " + codePath); 5611 return Environment.getRootDirectory().getPath(); 5612 } 5613 } 5614 return codeRoot.getPath(); 5615 } 5616 5617 // This is the initial scan-time determination of how to handle a given 5618 // package for purposes of native library location. 5619 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5620 PackageSetting pkgSetting) { 5621 // "bundled" here means system-installed with no overriding update 5622 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 5623 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5624 final File libDir; 5625 if (bundledApk) { 5626 // If "/system/lib64/apkname" exists, assume that is the per-package 5627 // native library directory to use; otherwise use "/system/lib/apkname". 5628 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5629 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 5630 File packLib64 = new File(lib64, apkName); 5631 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 5632 } else { 5633 libDir = mAppLibInstallDir; 5634 } 5635 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 5636 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5637 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5638 } 5639 5640 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5641 throws IOException { 5642 if (!nativeLibraryDir.isDirectory()) { 5643 nativeLibraryDir.delete(); 5644 5645 if (!nativeLibraryDir.mkdir()) { 5646 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5647 } 5648 5649 try { 5650 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 5651 } catch (ErrnoException e) { 5652 throw new IOException("Cannot chmod native library directory " 5653 + nativeLibraryDir.getPath(), e); 5654 } 5655 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5656 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5657 } 5658 5659 /* 5660 * If this is an internal application or our nativeLibraryPath points to 5661 * the app-lib directory, unpack the libraries if necessary. 5662 */ 5663 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5664 try { 5665 int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5666 if (abi >= 0) { 5667 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 5668 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 5669 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 5670 return copyRet; 5671 } 5672 } 5673 5674 return abi; 5675 } finally { 5676 handle.close(); 5677 } 5678 } 5679 5680 private void killApplication(String pkgName, int appId, String reason) { 5681 // Request the ActivityManager to kill the process(only for existing packages) 5682 // so that we do not end up in a confused state while the user is still using the older 5683 // version of the application while the new one gets installed. 5684 IActivityManager am = ActivityManagerNative.getDefault(); 5685 if (am != null) { 5686 try { 5687 am.killApplicationWithAppId(pkgName, appId, reason); 5688 } catch (RemoteException e) { 5689 } 5690 } 5691 } 5692 5693 void removePackageLI(PackageSetting ps, boolean chatty) { 5694 if (DEBUG_INSTALL) { 5695 if (chatty) 5696 Log.d(TAG, "Removing package " + ps.name); 5697 } 5698 5699 // writer 5700 synchronized (mPackages) { 5701 mPackages.remove(ps.name); 5702 if (ps.codePathString != null) { 5703 mAppDirs.remove(ps.codePathString); 5704 } 5705 5706 final PackageParser.Package pkg = ps.pkg; 5707 if (pkg != null) { 5708 cleanPackageDataStructuresLILPw(pkg, chatty); 5709 } 5710 } 5711 } 5712 5713 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5714 if (DEBUG_INSTALL) { 5715 if (chatty) 5716 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5717 } 5718 5719 // writer 5720 synchronized (mPackages) { 5721 mPackages.remove(pkg.applicationInfo.packageName); 5722 if (pkg.mPath != null) { 5723 mAppDirs.remove(pkg.mPath); 5724 } 5725 cleanPackageDataStructuresLILPw(pkg, chatty); 5726 } 5727 } 5728 5729 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5730 int N = pkg.providers.size(); 5731 StringBuilder r = null; 5732 int i; 5733 for (i=0; i<N; i++) { 5734 PackageParser.Provider p = pkg.providers.get(i); 5735 mProviders.removeProvider(p); 5736 if (p.info.authority == null) { 5737 5738 /* There was another ContentProvider with this authority when 5739 * this app was installed so this authority is null, 5740 * Ignore it as we don't have to unregister the provider. 5741 */ 5742 continue; 5743 } 5744 String names[] = p.info.authority.split(";"); 5745 for (int j = 0; j < names.length; j++) { 5746 if (mProvidersByAuthority.get(names[j]) == p) { 5747 mProvidersByAuthority.remove(names[j]); 5748 if (DEBUG_REMOVE) { 5749 if (chatty) 5750 Log.d(TAG, "Unregistered content provider: " + names[j] 5751 + ", className = " + p.info.name + ", isSyncable = " 5752 + p.info.isSyncable); 5753 } 5754 } 5755 } 5756 if (DEBUG_REMOVE && chatty) { 5757 if (r == null) { 5758 r = new StringBuilder(256); 5759 } else { 5760 r.append(' '); 5761 } 5762 r.append(p.info.name); 5763 } 5764 } 5765 if (r != null) { 5766 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5767 } 5768 5769 N = pkg.services.size(); 5770 r = null; 5771 for (i=0; i<N; i++) { 5772 PackageParser.Service s = pkg.services.get(i); 5773 mServices.removeService(s); 5774 if (chatty) { 5775 if (r == null) { 5776 r = new StringBuilder(256); 5777 } else { 5778 r.append(' '); 5779 } 5780 r.append(s.info.name); 5781 } 5782 } 5783 if (r != null) { 5784 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5785 } 5786 5787 N = pkg.receivers.size(); 5788 r = null; 5789 for (i=0; i<N; i++) { 5790 PackageParser.Activity a = pkg.receivers.get(i); 5791 mReceivers.removeActivity(a, "receiver"); 5792 if (DEBUG_REMOVE && chatty) { 5793 if (r == null) { 5794 r = new StringBuilder(256); 5795 } else { 5796 r.append(' '); 5797 } 5798 r.append(a.info.name); 5799 } 5800 } 5801 if (r != null) { 5802 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5803 } 5804 5805 N = pkg.activities.size(); 5806 r = null; 5807 for (i=0; i<N; i++) { 5808 PackageParser.Activity a = pkg.activities.get(i); 5809 mActivities.removeActivity(a, "activity"); 5810 if (DEBUG_REMOVE && chatty) { 5811 if (r == null) { 5812 r = new StringBuilder(256); 5813 } else { 5814 r.append(' '); 5815 } 5816 r.append(a.info.name); 5817 } 5818 } 5819 if (r != null) { 5820 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5821 } 5822 5823 N = pkg.permissions.size(); 5824 r = null; 5825 for (i=0; i<N; i++) { 5826 PackageParser.Permission p = pkg.permissions.get(i); 5827 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5828 if (bp == null) { 5829 bp = mSettings.mPermissionTrees.get(p.info.name); 5830 } 5831 if (bp != null && bp.perm == p) { 5832 bp.perm = null; 5833 if (DEBUG_REMOVE && chatty) { 5834 if (r == null) { 5835 r = new StringBuilder(256); 5836 } else { 5837 r.append(' '); 5838 } 5839 r.append(p.info.name); 5840 } 5841 } 5842 } 5843 if (r != null) { 5844 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5845 } 5846 5847 N = pkg.instrumentation.size(); 5848 r = null; 5849 for (i=0; i<N; i++) { 5850 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5851 mInstrumentation.remove(a.getComponentName()); 5852 if (DEBUG_REMOVE && chatty) { 5853 if (r == null) { 5854 r = new StringBuilder(256); 5855 } else { 5856 r.append(' '); 5857 } 5858 r.append(a.info.name); 5859 } 5860 } 5861 if (r != null) { 5862 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5863 } 5864 5865 r = null; 5866 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5867 // Only system apps can hold shared libraries. 5868 if (pkg.libraryNames != null) { 5869 for (i=0; i<pkg.libraryNames.size(); i++) { 5870 String name = pkg.libraryNames.get(i); 5871 SharedLibraryEntry cur = mSharedLibraries.get(name); 5872 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5873 mSharedLibraries.remove(name); 5874 if (DEBUG_REMOVE && chatty) { 5875 if (r == null) { 5876 r = new StringBuilder(256); 5877 } else { 5878 r.append(' '); 5879 } 5880 r.append(name); 5881 } 5882 } 5883 } 5884 } 5885 } 5886 if (r != null) { 5887 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5888 } 5889 } 5890 5891 private static final boolean isPackageFilename(String name) { 5892 return name != null && name.endsWith(".apk"); 5893 } 5894 5895 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5896 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5897 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5898 return true; 5899 } 5900 } 5901 return false; 5902 } 5903 5904 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 5905 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 5906 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 5907 5908 private void updatePermissionsLPw(String changingPkg, 5909 PackageParser.Package pkgInfo, int flags) { 5910 // Make sure there are no dangling permission trees. 5911 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 5912 while (it.hasNext()) { 5913 final BasePermission bp = it.next(); 5914 if (bp.packageSetting == null) { 5915 // We may not yet have parsed the package, so just see if 5916 // we still know about its settings. 5917 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5918 } 5919 if (bp.packageSetting == null) { 5920 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 5921 + " from package " + bp.sourcePackage); 5922 it.remove(); 5923 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5924 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5925 Slog.i(TAG, "Removing old permission tree: " + bp.name 5926 + " from package " + bp.sourcePackage); 5927 flags |= UPDATE_PERMISSIONS_ALL; 5928 it.remove(); 5929 } 5930 } 5931 } 5932 5933 // Make sure all dynamic permissions have been assigned to a package, 5934 // and make sure there are no dangling permissions. 5935 it = mSettings.mPermissions.values().iterator(); 5936 while (it.hasNext()) { 5937 final BasePermission bp = it.next(); 5938 if (bp.type == BasePermission.TYPE_DYNAMIC) { 5939 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 5940 + bp.name + " pkg=" + bp.sourcePackage 5941 + " info=" + bp.pendingInfo); 5942 if (bp.packageSetting == null && bp.pendingInfo != null) { 5943 final BasePermission tree = findPermissionTreeLP(bp.name); 5944 if (tree != null && tree.perm != null) { 5945 bp.packageSetting = tree.packageSetting; 5946 bp.perm = new PackageParser.Permission(tree.perm.owner, 5947 new PermissionInfo(bp.pendingInfo)); 5948 bp.perm.info.packageName = tree.perm.info.packageName; 5949 bp.perm.info.name = bp.name; 5950 bp.uid = tree.uid; 5951 } 5952 } 5953 } 5954 if (bp.packageSetting == null) { 5955 // We may not yet have parsed the package, so just see if 5956 // we still know about its settings. 5957 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5958 } 5959 if (bp.packageSetting == null) { 5960 Slog.w(TAG, "Removing dangling permission: " + bp.name 5961 + " from package " + bp.sourcePackage); 5962 it.remove(); 5963 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5964 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5965 Slog.i(TAG, "Removing old permission: " + bp.name 5966 + " from package " + bp.sourcePackage); 5967 flags |= UPDATE_PERMISSIONS_ALL; 5968 it.remove(); 5969 } 5970 } 5971 } 5972 5973 // Now update the permissions for all packages, in particular 5974 // replace the granted permissions of the system packages. 5975 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 5976 for (PackageParser.Package pkg : mPackages.values()) { 5977 if (pkg != pkgInfo) { 5978 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 5979 } 5980 } 5981 } 5982 5983 if (pkgInfo != null) { 5984 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 5985 } 5986 } 5987 5988 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 5989 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5990 if (ps == null) { 5991 return; 5992 } 5993 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 5994 HashSet<String> origPermissions = gp.grantedPermissions; 5995 boolean changedPermission = false; 5996 5997 if (replace) { 5998 ps.permissionsFixed = false; 5999 if (gp == ps) { 6000 origPermissions = new HashSet<String>(gp.grantedPermissions); 6001 gp.grantedPermissions.clear(); 6002 gp.gids = mGlobalGids; 6003 } 6004 } 6005 6006 if (gp.gids == null) { 6007 gp.gids = mGlobalGids; 6008 } 6009 6010 final int N = pkg.requestedPermissions.size(); 6011 for (int i=0; i<N; i++) { 6012 final String name = pkg.requestedPermissions.get(i); 6013 final boolean required = pkg.requestedPermissionsRequired.get(i); 6014 final BasePermission bp = mSettings.mPermissions.get(name); 6015 if (DEBUG_INSTALL) { 6016 if (gp != ps) { 6017 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6018 } 6019 } 6020 6021 if (bp == null || bp.packageSetting == null) { 6022 Slog.w(TAG, "Unknown permission " + name 6023 + " in package " + pkg.packageName); 6024 continue; 6025 } 6026 6027 final String perm = bp.name; 6028 boolean allowed; 6029 boolean allowedSig = false; 6030 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6031 if (level == PermissionInfo.PROTECTION_NORMAL 6032 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6033 // We grant a normal or dangerous permission if any of the following 6034 // are true: 6035 // 1) The permission is required 6036 // 2) The permission is optional, but was granted in the past 6037 // 3) The permission is optional, but was requested by an 6038 // app in /system (not /data) 6039 // 6040 // Otherwise, reject the permission. 6041 allowed = (required || origPermissions.contains(perm) 6042 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6043 } else if (bp.packageSetting == null) { 6044 // This permission is invalid; skip it. 6045 allowed = false; 6046 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6047 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6048 if (allowed) { 6049 allowedSig = true; 6050 } 6051 } else { 6052 allowed = false; 6053 } 6054 if (DEBUG_INSTALL) { 6055 if (gp != ps) { 6056 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6057 } 6058 } 6059 if (allowed) { 6060 if (!isSystemApp(ps) && ps.permissionsFixed) { 6061 // If this is an existing, non-system package, then 6062 // we can't add any new permissions to it. 6063 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6064 // Except... if this is a permission that was added 6065 // to the platform (note: need to only do this when 6066 // updating the platform). 6067 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6068 } 6069 } 6070 if (allowed) { 6071 if (!gp.grantedPermissions.contains(perm)) { 6072 changedPermission = true; 6073 gp.grantedPermissions.add(perm); 6074 gp.gids = appendInts(gp.gids, bp.gids); 6075 } else if (!ps.haveGids) { 6076 gp.gids = appendInts(gp.gids, bp.gids); 6077 } 6078 } else { 6079 Slog.w(TAG, "Not granting permission " + perm 6080 + " to package " + pkg.packageName 6081 + " because it was previously installed without"); 6082 } 6083 } else { 6084 if (gp.grantedPermissions.remove(perm)) { 6085 changedPermission = true; 6086 gp.gids = removeInts(gp.gids, bp.gids); 6087 Slog.i(TAG, "Un-granting permission " + perm 6088 + " from package " + pkg.packageName 6089 + " (protectionLevel=" + bp.protectionLevel 6090 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6091 + ")"); 6092 } else { 6093 Slog.w(TAG, "Not granting permission " + perm 6094 + " to package " + pkg.packageName 6095 + " (protectionLevel=" + bp.protectionLevel 6096 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6097 + ")"); 6098 } 6099 } 6100 } 6101 6102 if ((changedPermission || replace) && !ps.permissionsFixed && 6103 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6104 // This is the first that we have heard about this package, so the 6105 // permissions we have now selected are fixed until explicitly 6106 // changed. 6107 ps.permissionsFixed = true; 6108 } 6109 ps.haveGids = true; 6110 } 6111 6112 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6113 boolean allowed = false; 6114 final int NP = PackageParser.NEW_PERMISSIONS.length; 6115 for (int ip=0; ip<NP; ip++) { 6116 final PackageParser.NewPermissionInfo npi 6117 = PackageParser.NEW_PERMISSIONS[ip]; 6118 if (npi.name.equals(perm) 6119 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6120 allowed = true; 6121 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6122 + pkg.packageName); 6123 break; 6124 } 6125 } 6126 return allowed; 6127 } 6128 6129 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6130 BasePermission bp, HashSet<String> origPermissions) { 6131 boolean allowed; 6132 allowed = (compareSignatures( 6133 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6134 == PackageManager.SIGNATURE_MATCH) 6135 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6136 == PackageManager.SIGNATURE_MATCH); 6137 if (!allowed && (bp.protectionLevel 6138 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6139 if (isSystemApp(pkg)) { 6140 // For updated system applications, a system permission 6141 // is granted only if it had been defined by the original application. 6142 if (isUpdatedSystemApp(pkg)) { 6143 final PackageSetting sysPs = mSettings 6144 .getDisabledSystemPkgLPr(pkg.packageName); 6145 final GrantedPermissions origGp = sysPs.sharedUser != null 6146 ? sysPs.sharedUser : sysPs; 6147 6148 if (origGp.grantedPermissions.contains(perm)) { 6149 // If the original was granted this permission, we take 6150 // that grant decision as read and propagate it to the 6151 // update. 6152 allowed = true; 6153 } else { 6154 // The system apk may have been updated with an older 6155 // version of the one on the data partition, but which 6156 // granted a new system permission that it didn't have 6157 // before. In this case we do want to allow the app to 6158 // now get the new permission if the ancestral apk is 6159 // privileged to get it. 6160 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6161 for (int j=0; 6162 j<sysPs.pkg.requestedPermissions.size(); j++) { 6163 if (perm.equals( 6164 sysPs.pkg.requestedPermissions.get(j))) { 6165 allowed = true; 6166 break; 6167 } 6168 } 6169 } 6170 } 6171 } else { 6172 allowed = isPrivilegedApp(pkg); 6173 } 6174 } 6175 } 6176 if (!allowed && (bp.protectionLevel 6177 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6178 // For development permissions, a development permission 6179 // is granted only if it was already granted. 6180 allowed = origPermissions.contains(perm); 6181 } 6182 return allowed; 6183 } 6184 6185 final class ActivityIntentResolver 6186 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6187 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6188 boolean defaultOnly, int userId) { 6189 if (!sUserManager.exists(userId)) return null; 6190 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6191 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6192 } 6193 6194 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6195 int userId) { 6196 if (!sUserManager.exists(userId)) return null; 6197 mFlags = flags; 6198 return super.queryIntent(intent, resolvedType, 6199 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6200 } 6201 6202 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6203 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6204 if (!sUserManager.exists(userId)) return null; 6205 if (packageActivities == null) { 6206 return null; 6207 } 6208 mFlags = flags; 6209 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6210 final int N = packageActivities.size(); 6211 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6212 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6213 6214 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6215 for (int i = 0; i < N; ++i) { 6216 intentFilters = packageActivities.get(i).intents; 6217 if (intentFilters != null && intentFilters.size() > 0) { 6218 PackageParser.ActivityIntentInfo[] array = 6219 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6220 intentFilters.toArray(array); 6221 listCut.add(array); 6222 } 6223 } 6224 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6225 } 6226 6227 public final void addActivity(PackageParser.Activity a, String type) { 6228 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6229 mActivities.put(a.getComponentName(), a); 6230 if (DEBUG_SHOW_INFO) 6231 Log.v( 6232 TAG, " " + type + " " + 6233 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6234 if (DEBUG_SHOW_INFO) 6235 Log.v(TAG, " Class=" + a.info.name); 6236 final int NI = a.intents.size(); 6237 for (int j=0; j<NI; j++) { 6238 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6239 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6240 intent.setPriority(0); 6241 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6242 + a.className + " with priority > 0, forcing to 0"); 6243 } 6244 if (DEBUG_SHOW_INFO) { 6245 Log.v(TAG, " IntentFilter:"); 6246 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6247 } 6248 if (!intent.debugCheck()) { 6249 Log.w(TAG, "==> For Activity " + a.info.name); 6250 } 6251 addFilter(intent); 6252 } 6253 } 6254 6255 public final void removeActivity(PackageParser.Activity a, String type) { 6256 mActivities.remove(a.getComponentName()); 6257 if (DEBUG_SHOW_INFO) { 6258 Log.v(TAG, " " + type + " " 6259 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6260 : a.info.name) + ":"); 6261 Log.v(TAG, " Class=" + a.info.name); 6262 } 6263 final int NI = a.intents.size(); 6264 for (int j=0; j<NI; j++) { 6265 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6266 if (DEBUG_SHOW_INFO) { 6267 Log.v(TAG, " IntentFilter:"); 6268 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6269 } 6270 removeFilter(intent); 6271 } 6272 } 6273 6274 @Override 6275 protected boolean allowFilterResult( 6276 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6277 ActivityInfo filterAi = filter.activity.info; 6278 for (int i=dest.size()-1; i>=0; i--) { 6279 ActivityInfo destAi = dest.get(i).activityInfo; 6280 if (destAi.name == filterAi.name 6281 && destAi.packageName == filterAi.packageName) { 6282 return false; 6283 } 6284 } 6285 return true; 6286 } 6287 6288 @Override 6289 protected ActivityIntentInfo[] newArray(int size) { 6290 return new ActivityIntentInfo[size]; 6291 } 6292 6293 @Override 6294 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6295 if (!sUserManager.exists(userId)) return true; 6296 PackageParser.Package p = filter.activity.owner; 6297 if (p != null) { 6298 PackageSetting ps = (PackageSetting)p.mExtras; 6299 if (ps != null) { 6300 // System apps are never considered stopped for purposes of 6301 // filtering, because there may be no way for the user to 6302 // actually re-launch them. 6303 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6304 && ps.getStopped(userId); 6305 } 6306 } 6307 return false; 6308 } 6309 6310 @Override 6311 protected boolean isPackageForFilter(String packageName, 6312 PackageParser.ActivityIntentInfo info) { 6313 return packageName.equals(info.activity.owner.packageName); 6314 } 6315 6316 @Override 6317 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6318 int match, int userId) { 6319 if (!sUserManager.exists(userId)) return null; 6320 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6321 return null; 6322 } 6323 final PackageParser.Activity activity = info.activity; 6324 if (mSafeMode && (activity.info.applicationInfo.flags 6325 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6326 return null; 6327 } 6328 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6329 if (ps == null) { 6330 return null; 6331 } 6332 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6333 ps.readUserState(userId), userId); 6334 if (ai == null) { 6335 return null; 6336 } 6337 final ResolveInfo res = new ResolveInfo(); 6338 res.activityInfo = ai; 6339 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6340 res.filter = info; 6341 } 6342 res.priority = info.getPriority(); 6343 res.preferredOrder = activity.owner.mPreferredOrder; 6344 //System.out.println("Result: " + res.activityInfo.className + 6345 // " = " + res.priority); 6346 res.match = match; 6347 res.isDefault = info.hasDefault; 6348 res.labelRes = info.labelRes; 6349 res.nonLocalizedLabel = info.nonLocalizedLabel; 6350 res.icon = info.icon; 6351 res.system = isSystemApp(res.activityInfo.applicationInfo); 6352 return res; 6353 } 6354 6355 @Override 6356 protected void sortResults(List<ResolveInfo> results) { 6357 Collections.sort(results, mResolvePrioritySorter); 6358 } 6359 6360 @Override 6361 protected void dumpFilter(PrintWriter out, String prefix, 6362 PackageParser.ActivityIntentInfo filter) { 6363 out.print(prefix); out.print( 6364 Integer.toHexString(System.identityHashCode(filter.activity))); 6365 out.print(' '); 6366 filter.activity.printComponentShortName(out); 6367 out.print(" filter "); 6368 out.println(Integer.toHexString(System.identityHashCode(filter))); 6369 } 6370 6371// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6372// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6373// final List<ResolveInfo> retList = Lists.newArrayList(); 6374// while (i.hasNext()) { 6375// final ResolveInfo resolveInfo = i.next(); 6376// if (isEnabledLP(resolveInfo.activityInfo)) { 6377// retList.add(resolveInfo); 6378// } 6379// } 6380// return retList; 6381// } 6382 6383 // Keys are String (activity class name), values are Activity. 6384 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6385 = new HashMap<ComponentName, PackageParser.Activity>(); 6386 private int mFlags; 6387 } 6388 6389 private final class ServiceIntentResolver 6390 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6391 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6392 boolean defaultOnly, int userId) { 6393 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6394 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6395 } 6396 6397 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6398 int userId) { 6399 if (!sUserManager.exists(userId)) return null; 6400 mFlags = flags; 6401 return super.queryIntent(intent, resolvedType, 6402 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6403 } 6404 6405 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6406 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6407 if (!sUserManager.exists(userId)) return null; 6408 if (packageServices == null) { 6409 return null; 6410 } 6411 mFlags = flags; 6412 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6413 final int N = packageServices.size(); 6414 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6415 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6416 6417 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6418 for (int i = 0; i < N; ++i) { 6419 intentFilters = packageServices.get(i).intents; 6420 if (intentFilters != null && intentFilters.size() > 0) { 6421 PackageParser.ServiceIntentInfo[] array = 6422 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6423 intentFilters.toArray(array); 6424 listCut.add(array); 6425 } 6426 } 6427 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6428 } 6429 6430 public final void addService(PackageParser.Service s) { 6431 mServices.put(s.getComponentName(), s); 6432 if (DEBUG_SHOW_INFO) { 6433 Log.v(TAG, " " 6434 + (s.info.nonLocalizedLabel != null 6435 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6436 Log.v(TAG, " Class=" + s.info.name); 6437 } 6438 final int NI = s.intents.size(); 6439 int j; 6440 for (j=0; j<NI; j++) { 6441 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6442 if (DEBUG_SHOW_INFO) { 6443 Log.v(TAG, " IntentFilter:"); 6444 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6445 } 6446 if (!intent.debugCheck()) { 6447 Log.w(TAG, "==> For Service " + s.info.name); 6448 } 6449 addFilter(intent); 6450 } 6451 } 6452 6453 public final void removeService(PackageParser.Service s) { 6454 mServices.remove(s.getComponentName()); 6455 if (DEBUG_SHOW_INFO) { 6456 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6457 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6458 Log.v(TAG, " Class=" + s.info.name); 6459 } 6460 final int NI = s.intents.size(); 6461 int j; 6462 for (j=0; j<NI; j++) { 6463 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6464 if (DEBUG_SHOW_INFO) { 6465 Log.v(TAG, " IntentFilter:"); 6466 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6467 } 6468 removeFilter(intent); 6469 } 6470 } 6471 6472 @Override 6473 protected boolean allowFilterResult( 6474 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6475 ServiceInfo filterSi = filter.service.info; 6476 for (int i=dest.size()-1; i>=0; i--) { 6477 ServiceInfo destAi = dest.get(i).serviceInfo; 6478 if (destAi.name == filterSi.name 6479 && destAi.packageName == filterSi.packageName) { 6480 return false; 6481 } 6482 } 6483 return true; 6484 } 6485 6486 @Override 6487 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6488 return new PackageParser.ServiceIntentInfo[size]; 6489 } 6490 6491 @Override 6492 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6493 if (!sUserManager.exists(userId)) return true; 6494 PackageParser.Package p = filter.service.owner; 6495 if (p != null) { 6496 PackageSetting ps = (PackageSetting)p.mExtras; 6497 if (ps != null) { 6498 // System apps are never considered stopped for purposes of 6499 // filtering, because there may be no way for the user to 6500 // actually re-launch them. 6501 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6502 && ps.getStopped(userId); 6503 } 6504 } 6505 return false; 6506 } 6507 6508 @Override 6509 protected boolean isPackageForFilter(String packageName, 6510 PackageParser.ServiceIntentInfo info) { 6511 return packageName.equals(info.service.owner.packageName); 6512 } 6513 6514 @Override 6515 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6516 int match, int userId) { 6517 if (!sUserManager.exists(userId)) return null; 6518 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6519 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6520 return null; 6521 } 6522 final PackageParser.Service service = info.service; 6523 if (mSafeMode && (service.info.applicationInfo.flags 6524 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6525 return null; 6526 } 6527 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6528 if (ps == null) { 6529 return null; 6530 } 6531 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6532 ps.readUserState(userId), userId); 6533 if (si == null) { 6534 return null; 6535 } 6536 final ResolveInfo res = new ResolveInfo(); 6537 res.serviceInfo = si; 6538 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6539 res.filter = filter; 6540 } 6541 res.priority = info.getPriority(); 6542 res.preferredOrder = service.owner.mPreferredOrder; 6543 //System.out.println("Result: " + res.activityInfo.className + 6544 // " = " + res.priority); 6545 res.match = match; 6546 res.isDefault = info.hasDefault; 6547 res.labelRes = info.labelRes; 6548 res.nonLocalizedLabel = info.nonLocalizedLabel; 6549 res.icon = info.icon; 6550 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6551 return res; 6552 } 6553 6554 @Override 6555 protected void sortResults(List<ResolveInfo> results) { 6556 Collections.sort(results, mResolvePrioritySorter); 6557 } 6558 6559 @Override 6560 protected void dumpFilter(PrintWriter out, String prefix, 6561 PackageParser.ServiceIntentInfo filter) { 6562 out.print(prefix); out.print( 6563 Integer.toHexString(System.identityHashCode(filter.service))); 6564 out.print(' '); 6565 filter.service.printComponentShortName(out); 6566 out.print(" filter "); 6567 out.println(Integer.toHexString(System.identityHashCode(filter))); 6568 } 6569 6570// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6571// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6572// final List<ResolveInfo> retList = Lists.newArrayList(); 6573// while (i.hasNext()) { 6574// final ResolveInfo resolveInfo = (ResolveInfo) i; 6575// if (isEnabledLP(resolveInfo.serviceInfo)) { 6576// retList.add(resolveInfo); 6577// } 6578// } 6579// return retList; 6580// } 6581 6582 // Keys are String (activity class name), values are Activity. 6583 private final HashMap<ComponentName, PackageParser.Service> mServices 6584 = new HashMap<ComponentName, PackageParser.Service>(); 6585 private int mFlags; 6586 }; 6587 6588 private final class ProviderIntentResolver 6589 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6590 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6591 boolean defaultOnly, int userId) { 6592 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6593 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6594 } 6595 6596 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6597 int userId) { 6598 if (!sUserManager.exists(userId)) 6599 return null; 6600 mFlags = flags; 6601 return super.queryIntent(intent, resolvedType, 6602 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6603 } 6604 6605 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6606 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6607 if (!sUserManager.exists(userId)) 6608 return null; 6609 if (packageProviders == null) { 6610 return null; 6611 } 6612 mFlags = flags; 6613 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6614 final int N = packageProviders.size(); 6615 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6616 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6617 6618 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6619 for (int i = 0; i < N; ++i) { 6620 intentFilters = packageProviders.get(i).intents; 6621 if (intentFilters != null && intentFilters.size() > 0) { 6622 PackageParser.ProviderIntentInfo[] array = 6623 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6624 intentFilters.toArray(array); 6625 listCut.add(array); 6626 } 6627 } 6628 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6629 } 6630 6631 public final void addProvider(PackageParser.Provider p) { 6632 if (mProviders.containsKey(p.getComponentName())) { 6633 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 6634 return; 6635 } 6636 6637 mProviders.put(p.getComponentName(), p); 6638 if (DEBUG_SHOW_INFO) { 6639 Log.v(TAG, " " 6640 + (p.info.nonLocalizedLabel != null 6641 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6642 Log.v(TAG, " Class=" + p.info.name); 6643 } 6644 final int NI = p.intents.size(); 6645 int j; 6646 for (j = 0; j < NI; j++) { 6647 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6648 if (DEBUG_SHOW_INFO) { 6649 Log.v(TAG, " IntentFilter:"); 6650 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6651 } 6652 if (!intent.debugCheck()) { 6653 Log.w(TAG, "==> For Provider " + p.info.name); 6654 } 6655 addFilter(intent); 6656 } 6657 } 6658 6659 public final void removeProvider(PackageParser.Provider p) { 6660 mProviders.remove(p.getComponentName()); 6661 if (DEBUG_SHOW_INFO) { 6662 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6663 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6664 Log.v(TAG, " Class=" + p.info.name); 6665 } 6666 final int NI = p.intents.size(); 6667 int j; 6668 for (j = 0; j < NI; j++) { 6669 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6670 if (DEBUG_SHOW_INFO) { 6671 Log.v(TAG, " IntentFilter:"); 6672 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6673 } 6674 removeFilter(intent); 6675 } 6676 } 6677 6678 @Override 6679 protected boolean allowFilterResult( 6680 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6681 ProviderInfo filterPi = filter.provider.info; 6682 for (int i = dest.size() - 1; i >= 0; i--) { 6683 ProviderInfo destPi = dest.get(i).providerInfo; 6684 if (destPi.name == filterPi.name 6685 && destPi.packageName == filterPi.packageName) { 6686 return false; 6687 } 6688 } 6689 return true; 6690 } 6691 6692 @Override 6693 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6694 return new PackageParser.ProviderIntentInfo[size]; 6695 } 6696 6697 @Override 6698 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6699 if (!sUserManager.exists(userId)) 6700 return true; 6701 PackageParser.Package p = filter.provider.owner; 6702 if (p != null) { 6703 PackageSetting ps = (PackageSetting) p.mExtras; 6704 if (ps != null) { 6705 // System apps are never considered stopped for purposes of 6706 // filtering, because there may be no way for the user to 6707 // actually re-launch them. 6708 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6709 && ps.getStopped(userId); 6710 } 6711 } 6712 return false; 6713 } 6714 6715 @Override 6716 protected boolean isPackageForFilter(String packageName, 6717 PackageParser.ProviderIntentInfo info) { 6718 return packageName.equals(info.provider.owner.packageName); 6719 } 6720 6721 @Override 6722 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6723 int match, int userId) { 6724 if (!sUserManager.exists(userId)) 6725 return null; 6726 final PackageParser.ProviderIntentInfo info = filter; 6727 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6728 return null; 6729 } 6730 final PackageParser.Provider provider = info.provider; 6731 if (mSafeMode && (provider.info.applicationInfo.flags 6732 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6733 return null; 6734 } 6735 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6736 if (ps == null) { 6737 return null; 6738 } 6739 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6740 ps.readUserState(userId), userId); 6741 if (pi == null) { 6742 return null; 6743 } 6744 final ResolveInfo res = new ResolveInfo(); 6745 res.providerInfo = pi; 6746 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6747 res.filter = filter; 6748 } 6749 res.priority = info.getPriority(); 6750 res.preferredOrder = provider.owner.mPreferredOrder; 6751 res.match = match; 6752 res.isDefault = info.hasDefault; 6753 res.labelRes = info.labelRes; 6754 res.nonLocalizedLabel = info.nonLocalizedLabel; 6755 res.icon = info.icon; 6756 res.system = isSystemApp(res.providerInfo.applicationInfo); 6757 return res; 6758 } 6759 6760 @Override 6761 protected void sortResults(List<ResolveInfo> results) { 6762 Collections.sort(results, mResolvePrioritySorter); 6763 } 6764 6765 @Override 6766 protected void dumpFilter(PrintWriter out, String prefix, 6767 PackageParser.ProviderIntentInfo filter) { 6768 out.print(prefix); 6769 out.print( 6770 Integer.toHexString(System.identityHashCode(filter.provider))); 6771 out.print(' '); 6772 filter.provider.printComponentShortName(out); 6773 out.print(" filter "); 6774 out.println(Integer.toHexString(System.identityHashCode(filter))); 6775 } 6776 6777 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6778 = new HashMap<ComponentName, PackageParser.Provider>(); 6779 private int mFlags; 6780 }; 6781 6782 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6783 new Comparator<ResolveInfo>() { 6784 public int compare(ResolveInfo r1, ResolveInfo r2) { 6785 int v1 = r1.priority; 6786 int v2 = r2.priority; 6787 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6788 if (v1 != v2) { 6789 return (v1 > v2) ? -1 : 1; 6790 } 6791 v1 = r1.preferredOrder; 6792 v2 = r2.preferredOrder; 6793 if (v1 != v2) { 6794 return (v1 > v2) ? -1 : 1; 6795 } 6796 if (r1.isDefault != r2.isDefault) { 6797 return r1.isDefault ? -1 : 1; 6798 } 6799 v1 = r1.match; 6800 v2 = r2.match; 6801 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6802 if (v1 != v2) { 6803 return (v1 > v2) ? -1 : 1; 6804 } 6805 if (r1.system != r2.system) { 6806 return r1.system ? -1 : 1; 6807 } 6808 return 0; 6809 } 6810 }; 6811 6812 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6813 new Comparator<ProviderInfo>() { 6814 public int compare(ProviderInfo p1, ProviderInfo p2) { 6815 final int v1 = p1.initOrder; 6816 final int v2 = p2.initOrder; 6817 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6818 } 6819 }; 6820 6821 static final void sendPackageBroadcast(String action, String pkg, 6822 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6823 int[] userIds) { 6824 IActivityManager am = ActivityManagerNative.getDefault(); 6825 if (am != null) { 6826 try { 6827 if (userIds == null) { 6828 userIds = am.getRunningUserIds(); 6829 } 6830 for (int id : userIds) { 6831 final Intent intent = new Intent(action, 6832 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6833 if (extras != null) { 6834 intent.putExtras(extras); 6835 } 6836 if (targetPkg != null) { 6837 intent.setPackage(targetPkg); 6838 } 6839 // Modify the UID when posting to other users 6840 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6841 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6842 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6843 intent.putExtra(Intent.EXTRA_UID, uid); 6844 } 6845 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6846 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6847 if (DEBUG_BROADCASTS) { 6848 RuntimeException here = new RuntimeException("here"); 6849 here.fillInStackTrace(); 6850 Slog.d(TAG, "Sending to user " + id + ": " 6851 + intent.toShortString(false, true, false, false) 6852 + " " + intent.getExtras(), here); 6853 } 6854 am.broadcastIntent(null, intent, null, finishedReceiver, 6855 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6856 finishedReceiver != null, false, id); 6857 } 6858 } catch (RemoteException ex) { 6859 } 6860 } 6861 } 6862 6863 /** 6864 * Check if the external storage media is available. This is true if there 6865 * is a mounted external storage medium or if the external storage is 6866 * emulated. 6867 */ 6868 private boolean isExternalMediaAvailable() { 6869 return mMediaMounted || Environment.isExternalStorageEmulated(); 6870 } 6871 6872 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6873 // writer 6874 synchronized (mPackages) { 6875 if (!isExternalMediaAvailable()) { 6876 // If the external storage is no longer mounted at this point, 6877 // the caller may not have been able to delete all of this 6878 // packages files and can not delete any more. Bail. 6879 return null; 6880 } 6881 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6882 if (lastPackage != null) { 6883 pkgs.remove(lastPackage); 6884 } 6885 if (pkgs.size() > 0) { 6886 return pkgs.get(0); 6887 } 6888 } 6889 return null; 6890 } 6891 6892 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6893 if (false) { 6894 RuntimeException here = new RuntimeException("here"); 6895 here.fillInStackTrace(); 6896 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6897 + " andCode=" + andCode, here); 6898 } 6899 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6900 userId, andCode ? 1 : 0, packageName)); 6901 } 6902 6903 void startCleaningPackages() { 6904 // reader 6905 synchronized (mPackages) { 6906 if (!isExternalMediaAvailable()) { 6907 return; 6908 } 6909 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 6910 return; 6911 } 6912 } 6913 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 6914 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 6915 IActivityManager am = ActivityManagerNative.getDefault(); 6916 if (am != null) { 6917 try { 6918 am.startService(null, intent, null, UserHandle.USER_OWNER); 6919 } catch (RemoteException e) { 6920 } 6921 } 6922 } 6923 6924 private final class AppDirObserver extends FileObserver { 6925 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 6926 super(path, mask); 6927 mRootDir = path; 6928 mIsRom = isrom; 6929 mIsPrivileged = isPrivileged; 6930 } 6931 6932 public void onEvent(int event, String path) { 6933 String removedPackage = null; 6934 int removedAppId = -1; 6935 int[] removedUsers = null; 6936 String addedPackage = null; 6937 int addedAppId = -1; 6938 int[] addedUsers = null; 6939 6940 // TODO post a message to the handler to obtain serial ordering 6941 synchronized (mInstallLock) { 6942 String fullPathStr = null; 6943 File fullPath = null; 6944 if (path != null) { 6945 fullPath = new File(mRootDir, path); 6946 fullPathStr = fullPath.getPath(); 6947 } 6948 6949 if (DEBUG_APP_DIR_OBSERVER) 6950 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 6951 6952 if (!isPackageFilename(path)) { 6953 if (DEBUG_APP_DIR_OBSERVER) 6954 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 6955 return; 6956 } 6957 6958 // Ignore packages that are being installed or 6959 // have just been installed. 6960 if (ignoreCodePath(fullPathStr)) { 6961 return; 6962 } 6963 PackageParser.Package p = null; 6964 PackageSetting ps = null; 6965 // reader 6966 synchronized (mPackages) { 6967 p = mAppDirs.get(fullPathStr); 6968 if (p != null) { 6969 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 6970 if (ps != null) { 6971 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 6972 } else { 6973 removedUsers = sUserManager.getUserIds(); 6974 } 6975 } 6976 addedUsers = sUserManager.getUserIds(); 6977 } 6978 if ((event&REMOVE_EVENTS) != 0) { 6979 if (ps != null) { 6980 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 6981 removePackageLI(ps, true); 6982 removedPackage = ps.name; 6983 removedAppId = ps.appId; 6984 } 6985 } 6986 6987 if ((event&ADD_EVENTS) != 0) { 6988 if (p == null) { 6989 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 6990 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 6991 if (mIsRom) { 6992 flags |= PackageParser.PARSE_IS_SYSTEM 6993 | PackageParser.PARSE_IS_SYSTEM_DIR; 6994 if (mIsPrivileged) { 6995 flags |= PackageParser.PARSE_IS_PRIVILEGED; 6996 } 6997 } 6998 p = scanPackageLI(fullPath, flags, 6999 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7000 System.currentTimeMillis(), UserHandle.ALL); 7001 if (p != null) { 7002 /* 7003 * TODO this seems dangerous as the package may have 7004 * changed since we last acquired the mPackages 7005 * lock. 7006 */ 7007 // writer 7008 synchronized (mPackages) { 7009 updatePermissionsLPw(p.packageName, p, 7010 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7011 } 7012 addedPackage = p.applicationInfo.packageName; 7013 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7014 } 7015 } 7016 } 7017 7018 // reader 7019 synchronized (mPackages) { 7020 mSettings.writeLPr(); 7021 } 7022 } 7023 7024 if (removedPackage != null) { 7025 Bundle extras = new Bundle(1); 7026 extras.putInt(Intent.EXTRA_UID, removedAppId); 7027 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7028 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7029 extras, null, null, removedUsers); 7030 } 7031 if (addedPackage != null) { 7032 Bundle extras = new Bundle(1); 7033 extras.putInt(Intent.EXTRA_UID, addedAppId); 7034 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7035 extras, null, null, addedUsers); 7036 } 7037 } 7038 7039 private final String mRootDir; 7040 private final boolean mIsRom; 7041 private final boolean mIsPrivileged; 7042 } 7043 7044 /* 7045 * The old-style observer methods all just trampoline to the newer signature with 7046 * expanded install observer API. The older API continues to work but does not 7047 * supply the additional details of the Observer2 API. 7048 */ 7049 7050 /* Called when a downloaded package installation has been confirmed by the user */ 7051 public void installPackage( 7052 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7053 installPackageEtc(packageURI, observer, null, flags, null); 7054 } 7055 7056 /* Called when a downloaded package installation has been confirmed by the user */ 7057 public void installPackage( 7058 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7059 final String installerPackageName) { 7060 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7061 installerPackageName, null, null, null); 7062 } 7063 7064 @Override 7065 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7066 int flags, String installerPackageName, Uri verificationURI, 7067 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7068 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7069 VerificationParams.NO_UID, manifestDigest); 7070 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7071 installerPackageName, verificationParams, encryptionParams); 7072 } 7073 7074 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7075 IPackageInstallObserver observer, int flags, String installerPackageName, 7076 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7077 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7078 installerPackageName, verificationParams, encryptionParams); 7079 } 7080 7081 /* 7082 * And here are the "live" versions that take both observer arguments 7083 */ 7084 public void installPackageEtc( 7085 final Uri packageURI, final IPackageInstallObserver observer, 7086 IPackageInstallObserver2 observer2, final int flags) { 7087 installPackageEtc(packageURI, observer, observer2, flags, null); 7088 } 7089 7090 public void installPackageEtc( 7091 final Uri packageURI, final IPackageInstallObserver observer, 7092 final IPackageInstallObserver2 observer2, final int flags, 7093 final String installerPackageName) { 7094 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7095 installerPackageName, null, null, null); 7096 } 7097 7098 @Override 7099 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7100 IPackageInstallObserver2 observer2, 7101 int flags, String installerPackageName, Uri verificationURI, 7102 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7103 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7104 VerificationParams.NO_UID, manifestDigest); 7105 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7106 installerPackageName, verificationParams, encryptionParams); 7107 } 7108 7109 /* 7110 * All of the installPackage...*() methods redirect to this one for the master implementation 7111 */ 7112 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7113 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7114 int flags, String installerPackageName, 7115 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7116 if (observer == null && observer2 == null) { 7117 throw new IllegalArgumentException("No install observer supplied"); 7118 } 7119 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7120 null); 7121 7122 final int uid = Binder.getCallingUid(); 7123 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7124 try { 7125 if (observer != null) { 7126 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7127 } 7128 if (observer2 != null) { 7129 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7130 } 7131 } catch (RemoteException re) { 7132 } 7133 return; 7134 } 7135 7136 UserHandle user; 7137 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7138 user = UserHandle.ALL; 7139 } else { 7140 user = new UserHandle(UserHandle.getUserId(uid)); 7141 } 7142 7143 final int filteredFlags; 7144 7145 if (uid == Process.SHELL_UID || uid == 0) { 7146 if (DEBUG_INSTALL) { 7147 Slog.v(TAG, "Install from ADB"); 7148 } 7149 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7150 } else { 7151 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7152 } 7153 7154 verificationParams.setInstallerUid(uid); 7155 7156 final Message msg = mHandler.obtainMessage(INIT_COPY); 7157 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7158 installerPackageName, verificationParams, encryptionParams, user); 7159 mHandler.sendMessage(msg); 7160 } 7161 7162 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7163 Bundle extras = new Bundle(1); 7164 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7165 7166 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7167 packageName, extras, null, null, new int[] {userId}); 7168 try { 7169 IActivityManager am = ActivityManagerNative.getDefault(); 7170 final boolean isSystem = 7171 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7172 if (isSystem && am.isUserRunning(userId, false)) { 7173 // The just-installed/enabled app is bundled on the system, so presumed 7174 // to be able to run automatically without needing an explicit launch. 7175 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7176 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7177 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7178 .setPackage(packageName); 7179 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7180 android.app.AppOpsManager.OP_NONE, false, false, userId); 7181 } 7182 } catch (RemoteException e) { 7183 // shouldn't happen 7184 Slog.w(TAG, "Unable to bootstrap installed package", e); 7185 } 7186 } 7187 7188 @Override 7189 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7190 int userId) { 7191 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7192 PackageSetting pkgSetting; 7193 final int uid = Binder.getCallingUid(); 7194 if (UserHandle.getUserId(uid) != userId) { 7195 mContext.enforceCallingOrSelfPermission( 7196 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7197 "setApplicationBlockedSetting for user " + userId); 7198 } 7199 7200 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7201 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7202 return false; 7203 } 7204 7205 long callingId = Binder.clearCallingIdentity(); 7206 try { 7207 boolean sendAdded = false; 7208 boolean sendRemoved = false; 7209 // writer 7210 synchronized (mPackages) { 7211 pkgSetting = mSettings.mPackages.get(packageName); 7212 if (pkgSetting == null) { 7213 return false; 7214 } 7215 if (pkgSetting.getBlocked(userId) != blocked) { 7216 pkgSetting.setBlocked(blocked, userId); 7217 mSettings.writePackageRestrictionsLPr(userId); 7218 if (blocked) { 7219 sendRemoved = true; 7220 } else { 7221 sendAdded = true; 7222 } 7223 } 7224 } 7225 if (sendAdded) { 7226 sendPackageAddedForUser(packageName, pkgSetting, userId); 7227 return true; 7228 } 7229 if (sendRemoved) { 7230 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7231 "blocking pkg"); 7232 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7233 } 7234 } finally { 7235 Binder.restoreCallingIdentity(callingId); 7236 } 7237 return false; 7238 } 7239 7240 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7241 int userId) { 7242 final PackageRemovedInfo info = new PackageRemovedInfo(); 7243 info.removedPackage = packageName; 7244 info.removedUsers = new int[] {userId}; 7245 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7246 info.sendBroadcast(false, false, false); 7247 } 7248 7249 /** 7250 * Returns true if application is not found or there was an error. Otherwise it returns 7251 * the blocked state of the package for the given user. 7252 */ 7253 @Override 7254 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7255 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7256 PackageSetting pkgSetting; 7257 final int uid = Binder.getCallingUid(); 7258 if (UserHandle.getUserId(uid) != userId) { 7259 mContext.enforceCallingPermission( 7260 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7261 "getApplicationBlocked for user " + userId); 7262 } 7263 long callingId = Binder.clearCallingIdentity(); 7264 try { 7265 // writer 7266 synchronized (mPackages) { 7267 pkgSetting = mSettings.mPackages.get(packageName); 7268 if (pkgSetting == null) { 7269 return true; 7270 } 7271 return pkgSetting.getBlocked(userId); 7272 } 7273 } finally { 7274 Binder.restoreCallingIdentity(callingId); 7275 } 7276 } 7277 7278 /** 7279 * @hide 7280 */ 7281 @Override 7282 public int installExistingPackageAsUser(String packageName, int userId) { 7283 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7284 null); 7285 PackageSetting pkgSetting; 7286 final int uid = Binder.getCallingUid(); 7287 if (UserHandle.getUserId(uid) != userId) { 7288 mContext.enforceCallingPermission( 7289 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7290 "installExistingPackage for user " + userId); 7291 } 7292 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7293 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7294 } 7295 7296 long callingId = Binder.clearCallingIdentity(); 7297 try { 7298 boolean sendAdded = false; 7299 Bundle extras = new Bundle(1); 7300 7301 // writer 7302 synchronized (mPackages) { 7303 pkgSetting = mSettings.mPackages.get(packageName); 7304 if (pkgSetting == null) { 7305 return PackageManager.INSTALL_FAILED_INVALID_URI; 7306 } 7307 if (!pkgSetting.getInstalled(userId)) { 7308 pkgSetting.setInstalled(true, userId); 7309 pkgSetting.setBlocked(false, userId); 7310 mSettings.writePackageRestrictionsLPr(userId); 7311 sendAdded = true; 7312 } 7313 } 7314 7315 if (sendAdded) { 7316 sendPackageAddedForUser(packageName, pkgSetting, userId); 7317 } 7318 } finally { 7319 Binder.restoreCallingIdentity(callingId); 7320 } 7321 7322 return PackageManager.INSTALL_SUCCEEDED; 7323 } 7324 7325 private boolean isUserRestricted(int userId, String restrictionKey) { 7326 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7327 if (restrictions.getBoolean(restrictionKey, false)) { 7328 Log.w(TAG, "User is restricted: " + restrictionKey); 7329 return true; 7330 } 7331 return false; 7332 } 7333 7334 @Override 7335 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7336 mContext.enforceCallingOrSelfPermission( 7337 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7338 "Only package verification agents can verify applications"); 7339 7340 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7341 final PackageVerificationResponse response = new PackageVerificationResponse( 7342 verificationCode, Binder.getCallingUid()); 7343 msg.arg1 = id; 7344 msg.obj = response; 7345 mHandler.sendMessage(msg); 7346 } 7347 7348 @Override 7349 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7350 long millisecondsToDelay) { 7351 mContext.enforceCallingOrSelfPermission( 7352 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7353 "Only package verification agents can extend verification timeouts"); 7354 7355 final PackageVerificationState state = mPendingVerification.get(id); 7356 final PackageVerificationResponse response = new PackageVerificationResponse( 7357 verificationCodeAtTimeout, Binder.getCallingUid()); 7358 7359 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7360 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7361 } 7362 if (millisecondsToDelay < 0) { 7363 millisecondsToDelay = 0; 7364 } 7365 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7366 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7367 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7368 } 7369 7370 if ((state != null) && !state.timeoutExtended()) { 7371 state.extendTimeout(); 7372 7373 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7374 msg.arg1 = id; 7375 msg.obj = response; 7376 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7377 } 7378 } 7379 7380 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7381 int verificationCode, UserHandle user) { 7382 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7383 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7384 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7385 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7386 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7387 7388 mContext.sendBroadcastAsUser(intent, user, 7389 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7390 } 7391 7392 private ComponentName matchComponentForVerifier(String packageName, 7393 List<ResolveInfo> receivers) { 7394 ActivityInfo targetReceiver = null; 7395 7396 final int NR = receivers.size(); 7397 for (int i = 0; i < NR; i++) { 7398 final ResolveInfo info = receivers.get(i); 7399 if (info.activityInfo == null) { 7400 continue; 7401 } 7402 7403 if (packageName.equals(info.activityInfo.packageName)) { 7404 targetReceiver = info.activityInfo; 7405 break; 7406 } 7407 } 7408 7409 if (targetReceiver == null) { 7410 return null; 7411 } 7412 7413 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7414 } 7415 7416 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7417 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7418 if (pkgInfo.verifiers.length == 0) { 7419 return null; 7420 } 7421 7422 final int N = pkgInfo.verifiers.length; 7423 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7424 for (int i = 0; i < N; i++) { 7425 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7426 7427 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7428 receivers); 7429 if (comp == null) { 7430 continue; 7431 } 7432 7433 final int verifierUid = getUidForVerifier(verifierInfo); 7434 if (verifierUid == -1) { 7435 continue; 7436 } 7437 7438 if (DEBUG_VERIFY) { 7439 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7440 + " with the correct signature"); 7441 } 7442 sufficientVerifiers.add(comp); 7443 verificationState.addSufficientVerifier(verifierUid); 7444 } 7445 7446 return sufficientVerifiers; 7447 } 7448 7449 private int getUidForVerifier(VerifierInfo verifierInfo) { 7450 synchronized (mPackages) { 7451 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7452 if (pkg == null) { 7453 return -1; 7454 } else if (pkg.mSignatures.length != 1) { 7455 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7456 + " has more than one signature; ignoring"); 7457 return -1; 7458 } 7459 7460 /* 7461 * If the public key of the package's signature does not match 7462 * our expected public key, then this is a different package and 7463 * we should skip. 7464 */ 7465 7466 final byte[] expectedPublicKey; 7467 try { 7468 final Signature verifierSig = pkg.mSignatures[0]; 7469 final PublicKey publicKey = verifierSig.getPublicKey(); 7470 expectedPublicKey = publicKey.getEncoded(); 7471 } catch (CertificateException e) { 7472 return -1; 7473 } 7474 7475 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7476 7477 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7478 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7479 + " does not have the expected public key; ignoring"); 7480 return -1; 7481 } 7482 7483 return pkg.applicationInfo.uid; 7484 } 7485 } 7486 7487 public void finishPackageInstall(int token) { 7488 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7489 7490 if (DEBUG_INSTALL) { 7491 Slog.v(TAG, "BM finishing package install for " + token); 7492 } 7493 7494 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7495 mHandler.sendMessage(msg); 7496 } 7497 7498 /** 7499 * Get the verification agent timeout. 7500 * 7501 * @return verification timeout in milliseconds 7502 */ 7503 private long getVerificationTimeout() { 7504 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7505 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7506 DEFAULT_VERIFICATION_TIMEOUT); 7507 } 7508 7509 /** 7510 * Get the default verification agent response code. 7511 * 7512 * @return default verification response code 7513 */ 7514 private int getDefaultVerificationResponse() { 7515 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7516 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7517 DEFAULT_VERIFICATION_RESPONSE); 7518 } 7519 7520 /** 7521 * Check whether or not package verification has been enabled. 7522 * 7523 * @return true if verification should be performed 7524 */ 7525 private boolean isVerificationEnabled(int flags) { 7526 if (!DEFAULT_VERIFY_ENABLE) { 7527 return false; 7528 } 7529 7530 // Check if installing from ADB 7531 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7532 // Do not run verification in a test harness environment 7533 if (ActivityManager.isRunningInTestHarness()) { 7534 return false; 7535 } 7536 // Check if the developer does not want package verification for ADB installs 7537 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7538 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7539 return false; 7540 } 7541 } 7542 7543 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7544 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7545 } 7546 7547 /** 7548 * Get the "allow unknown sources" setting. 7549 * 7550 * @return the current "allow unknown sources" setting 7551 */ 7552 private int getUnknownSourcesSettings() { 7553 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7554 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7555 -1); 7556 } 7557 7558 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7559 final int uid = Binder.getCallingUid(); 7560 // writer 7561 synchronized (mPackages) { 7562 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7563 if (targetPackageSetting == null) { 7564 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7565 } 7566 7567 PackageSetting installerPackageSetting; 7568 if (installerPackageName != null) { 7569 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7570 if (installerPackageSetting == null) { 7571 throw new IllegalArgumentException("Unknown installer package: " 7572 + installerPackageName); 7573 } 7574 } else { 7575 installerPackageSetting = null; 7576 } 7577 7578 Signature[] callerSignature; 7579 Object obj = mSettings.getUserIdLPr(uid); 7580 if (obj != null) { 7581 if (obj instanceof SharedUserSetting) { 7582 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7583 } else if (obj instanceof PackageSetting) { 7584 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7585 } else { 7586 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7587 } 7588 } else { 7589 throw new SecurityException("Unknown calling uid " + uid); 7590 } 7591 7592 // Verify: can't set installerPackageName to a package that is 7593 // not signed with the same cert as the caller. 7594 if (installerPackageSetting != null) { 7595 if (compareSignatures(callerSignature, 7596 installerPackageSetting.signatures.mSignatures) 7597 != PackageManager.SIGNATURE_MATCH) { 7598 throw new SecurityException( 7599 "Caller does not have same cert as new installer package " 7600 + installerPackageName); 7601 } 7602 } 7603 7604 // Verify: if target already has an installer package, it must 7605 // be signed with the same cert as the caller. 7606 if (targetPackageSetting.installerPackageName != null) { 7607 PackageSetting setting = mSettings.mPackages.get( 7608 targetPackageSetting.installerPackageName); 7609 // If the currently set package isn't valid, then it's always 7610 // okay to change it. 7611 if (setting != null) { 7612 if (compareSignatures(callerSignature, 7613 setting.signatures.mSignatures) 7614 != PackageManager.SIGNATURE_MATCH) { 7615 throw new SecurityException( 7616 "Caller does not have same cert as old installer package " 7617 + targetPackageSetting.installerPackageName); 7618 } 7619 } 7620 } 7621 7622 // Okay! 7623 targetPackageSetting.installerPackageName = installerPackageName; 7624 scheduleWriteSettingsLocked(); 7625 } 7626 } 7627 7628 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7629 // Queue up an async operation since the package installation may take a little while. 7630 mHandler.post(new Runnable() { 7631 public void run() { 7632 mHandler.removeCallbacks(this); 7633 // Result object to be returned 7634 PackageInstalledInfo res = new PackageInstalledInfo(); 7635 res.returnCode = currentStatus; 7636 res.uid = -1; 7637 res.pkg = null; 7638 res.removedInfo = new PackageRemovedInfo(); 7639 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7640 args.doPreInstall(res.returnCode); 7641 synchronized (mInstallLock) { 7642 installPackageLI(args, true, res); 7643 } 7644 args.doPostInstall(res.returnCode, res.uid); 7645 } 7646 7647 // A restore should be performed at this point if (a) the install 7648 // succeeded, (b) the operation is not an update, and (c) the new 7649 // package has a backupAgent defined. 7650 final boolean update = res.removedInfo.removedPackage != null; 7651 boolean doRestore = (!update 7652 && res.pkg != null 7653 && res.pkg.applicationInfo.backupAgentName != null); 7654 7655 // Set up the post-install work request bookkeeping. This will be used 7656 // and cleaned up by the post-install event handling regardless of whether 7657 // there's a restore pass performed. Token values are >= 1. 7658 int token; 7659 if (mNextInstallToken < 0) mNextInstallToken = 1; 7660 token = mNextInstallToken++; 7661 7662 PostInstallData data = new PostInstallData(args, res); 7663 mRunningInstalls.put(token, data); 7664 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7665 7666 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7667 // Pass responsibility to the Backup Manager. It will perform a 7668 // restore if appropriate, then pass responsibility back to the 7669 // Package Manager to run the post-install observer callbacks 7670 // and broadcasts. 7671 IBackupManager bm = IBackupManager.Stub.asInterface( 7672 ServiceManager.getService(Context.BACKUP_SERVICE)); 7673 if (bm != null) { 7674 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7675 + " to BM for possible restore"); 7676 try { 7677 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7678 } catch (RemoteException e) { 7679 // can't happen; the backup manager is local 7680 } catch (Exception e) { 7681 Slog.e(TAG, "Exception trying to enqueue restore", e); 7682 doRestore = false; 7683 } 7684 } else { 7685 Slog.e(TAG, "Backup Manager not found!"); 7686 doRestore = false; 7687 } 7688 } 7689 7690 if (!doRestore) { 7691 // No restore possible, or the Backup Manager was mysteriously not 7692 // available -- just fire the post-install work request directly. 7693 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7694 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7695 mHandler.sendMessage(msg); 7696 } 7697 } 7698 }); 7699 } 7700 7701 private abstract class HandlerParams { 7702 private static final int MAX_RETRIES = 4; 7703 7704 /** 7705 * Number of times startCopy() has been attempted and had a non-fatal 7706 * error. 7707 */ 7708 private int mRetries = 0; 7709 7710 /** User handle for the user requesting the information or installation. */ 7711 private final UserHandle mUser; 7712 7713 HandlerParams(UserHandle user) { 7714 mUser = user; 7715 } 7716 7717 UserHandle getUser() { 7718 return mUser; 7719 } 7720 7721 final boolean startCopy() { 7722 boolean res; 7723 try { 7724 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7725 7726 if (++mRetries > MAX_RETRIES) { 7727 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7728 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7729 handleServiceError(); 7730 return false; 7731 } else { 7732 handleStartCopy(); 7733 res = true; 7734 } 7735 } catch (RemoteException e) { 7736 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7737 mHandler.sendEmptyMessage(MCS_RECONNECT); 7738 res = false; 7739 } 7740 handleReturnCode(); 7741 return res; 7742 } 7743 7744 final void serviceError() { 7745 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7746 handleServiceError(); 7747 handleReturnCode(); 7748 } 7749 7750 abstract void handleStartCopy() throws RemoteException; 7751 abstract void handleServiceError(); 7752 abstract void handleReturnCode(); 7753 } 7754 7755 class MeasureParams extends HandlerParams { 7756 private final PackageStats mStats; 7757 private boolean mSuccess; 7758 7759 private final IPackageStatsObserver mObserver; 7760 7761 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7762 super(new UserHandle(stats.userHandle)); 7763 mObserver = observer; 7764 mStats = stats; 7765 } 7766 7767 @Override 7768 public String toString() { 7769 return "MeasureParams{" 7770 + Integer.toHexString(System.identityHashCode(this)) 7771 + " " + mStats.packageName + "}"; 7772 } 7773 7774 @Override 7775 void handleStartCopy() throws RemoteException { 7776 synchronized (mInstallLock) { 7777 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7778 } 7779 7780 if (mSuccess) { 7781 final boolean mounted; 7782 if (Environment.isExternalStorageEmulated()) { 7783 mounted = true; 7784 } else { 7785 final String status = Environment.getExternalStorageState(); 7786 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7787 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7788 } 7789 7790 if (mounted) { 7791 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7792 7793 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7794 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7795 7796 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7797 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7798 7799 // Always subtract cache size, since it's a subdirectory 7800 mStats.externalDataSize -= mStats.externalCacheSize; 7801 7802 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7803 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7804 7805 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7806 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7807 } 7808 } 7809 } 7810 7811 @Override 7812 void handleReturnCode() { 7813 if (mObserver != null) { 7814 try { 7815 mObserver.onGetStatsCompleted(mStats, mSuccess); 7816 } catch (RemoteException e) { 7817 Slog.i(TAG, "Observer no longer exists."); 7818 } 7819 } 7820 } 7821 7822 @Override 7823 void handleServiceError() { 7824 Slog.e(TAG, "Could not measure application " + mStats.packageName 7825 + " external storage"); 7826 } 7827 } 7828 7829 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7830 throws RemoteException { 7831 long result = 0; 7832 for (File path : paths) { 7833 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7834 } 7835 return result; 7836 } 7837 7838 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7839 for (File path : paths) { 7840 try { 7841 mcs.clearDirectory(path.getAbsolutePath()); 7842 } catch (RemoteException e) { 7843 } 7844 } 7845 } 7846 7847 class InstallParams extends HandlerParams { 7848 final IPackageInstallObserver observer; 7849 final IPackageInstallObserver2 observer2; 7850 int flags; 7851 7852 private final Uri mPackageURI; 7853 final String installerPackageName; 7854 final VerificationParams verificationParams; 7855 private InstallArgs mArgs; 7856 private int mRet; 7857 private File mTempPackage; 7858 final ContainerEncryptionParams encryptionParams; 7859 7860 InstallParams(Uri packageURI, 7861 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7862 int flags, String installerPackageName, VerificationParams verificationParams, 7863 ContainerEncryptionParams encryptionParams, UserHandle user) { 7864 super(user); 7865 this.mPackageURI = packageURI; 7866 this.flags = flags; 7867 this.observer = observer; 7868 this.observer2 = observer2; 7869 this.installerPackageName = installerPackageName; 7870 this.verificationParams = verificationParams; 7871 this.encryptionParams = encryptionParams; 7872 } 7873 7874 @Override 7875 public String toString() { 7876 return "InstallParams{" 7877 + Integer.toHexString(System.identityHashCode(this)) 7878 + " " + mPackageURI + "}"; 7879 } 7880 7881 public ManifestDigest getManifestDigest() { 7882 if (verificationParams == null) { 7883 return null; 7884 } 7885 return verificationParams.getManifestDigest(); 7886 } 7887 7888 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7889 String packageName = pkgLite.packageName; 7890 int installLocation = pkgLite.installLocation; 7891 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7892 // reader 7893 synchronized (mPackages) { 7894 PackageParser.Package pkg = mPackages.get(packageName); 7895 if (pkg != null) { 7896 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7897 // Check for downgrading. 7898 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7899 if (pkgLite.versionCode < pkg.mVersionCode) { 7900 Slog.w(TAG, "Can't install update of " + packageName 7901 + " update version " + pkgLite.versionCode 7902 + " is older than installed version " 7903 + pkg.mVersionCode); 7904 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 7905 } 7906 } 7907 // Check for updated system application. 7908 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7909 if (onSd) { 7910 Slog.w(TAG, "Cannot install update to system app on sdcard"); 7911 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 7912 } 7913 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7914 } else { 7915 if (onSd) { 7916 // Install flag overrides everything. 7917 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7918 } 7919 // If current upgrade specifies particular preference 7920 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 7921 // Application explicitly specified internal. 7922 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7923 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 7924 // App explictly prefers external. Let policy decide 7925 } else { 7926 // Prefer previous location 7927 if (isExternal(pkg)) { 7928 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7929 } 7930 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7931 } 7932 } 7933 } else { 7934 // Invalid install. Return error code 7935 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 7936 } 7937 } 7938 } 7939 // All the special cases have been taken care of. 7940 // Return result based on recommended install location. 7941 if (onSd) { 7942 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7943 } 7944 return pkgLite.recommendedInstallLocation; 7945 } 7946 7947 private long getMemoryLowThreshold() { 7948 final DeviceStorageMonitorInternal 7949 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7950 if (dsm == null) { 7951 return 0L; 7952 } 7953 return dsm.getMemoryLowThreshold(); 7954 } 7955 7956 /* 7957 * Invoke remote method to get package information and install 7958 * location values. Override install location based on default 7959 * policy if needed and then create install arguments based 7960 * on the install location. 7961 */ 7962 public void handleStartCopy() throws RemoteException { 7963 int ret = PackageManager.INSTALL_SUCCEEDED; 7964 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7965 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 7966 PackageInfoLite pkgLite = null; 7967 7968 if (onInt && onSd) { 7969 // Check if both bits are set. 7970 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 7971 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7972 } else { 7973 final long lowThreshold = getMemoryLowThreshold(); 7974 if (lowThreshold == 0L) { 7975 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7976 } 7977 7978 try { 7979 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 7980 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7981 7982 final File packageFile; 7983 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 7984 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 7985 if (mTempPackage != null) { 7986 ParcelFileDescriptor out; 7987 try { 7988 out = ParcelFileDescriptor.open(mTempPackage, 7989 ParcelFileDescriptor.MODE_READ_WRITE); 7990 } catch (FileNotFoundException e) { 7991 out = null; 7992 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 7993 } 7994 7995 // Make a temporary file for decryption. 7996 ret = mContainerService 7997 .copyResource(mPackageURI, encryptionParams, out); 7998 IoUtils.closeQuietly(out); 7999 8000 packageFile = mTempPackage; 8001 8002 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8003 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8004 | FileUtils.S_IROTH, 8005 -1, -1); 8006 } else { 8007 packageFile = null; 8008 } 8009 } else { 8010 packageFile = new File(mPackageURI.getPath()); 8011 } 8012 8013 if (packageFile != null) { 8014 // Remote call to find out default install location 8015 final String packageFilePath = packageFile.getAbsolutePath(); 8016 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8017 lowThreshold); 8018 8019 /* 8020 * If we have too little free space, try to free cache 8021 * before giving up. 8022 */ 8023 if (pkgLite.recommendedInstallLocation 8024 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8025 final long size = mContainerService.calculateInstalledSize( 8026 packageFilePath, isForwardLocked()); 8027 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8028 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8029 flags, lowThreshold); 8030 } 8031 /* 8032 * The cache free must have deleted the file we 8033 * downloaded to install. 8034 * 8035 * TODO: fix the "freeCache" call to not delete 8036 * the file we care about. 8037 */ 8038 if (pkgLite.recommendedInstallLocation 8039 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8040 pkgLite.recommendedInstallLocation 8041 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8042 } 8043 } 8044 } 8045 } finally { 8046 mContext.revokeUriPermission(mPackageURI, 8047 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8048 } 8049 } 8050 8051 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8052 int loc = pkgLite.recommendedInstallLocation; 8053 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8054 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8055 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8056 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8057 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8058 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8059 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8060 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8061 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8062 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8063 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8064 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8065 } else { 8066 // Override with defaults if needed. 8067 loc = installLocationPolicy(pkgLite, flags); 8068 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8069 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8070 } else if (!onSd && !onInt) { 8071 // Override install location with flags 8072 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8073 // Set the flag to install on external media. 8074 flags |= PackageManager.INSTALL_EXTERNAL; 8075 flags &= ~PackageManager.INSTALL_INTERNAL; 8076 } else { 8077 // Make sure the flag for installing on external 8078 // media is unset 8079 flags |= PackageManager.INSTALL_INTERNAL; 8080 flags &= ~PackageManager.INSTALL_EXTERNAL; 8081 } 8082 } 8083 } 8084 } 8085 8086 final InstallArgs args = createInstallArgs(this); 8087 mArgs = args; 8088 8089 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8090 /* 8091 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8092 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8093 */ 8094 int userIdentifier = getUser().getIdentifier(); 8095 if (userIdentifier == UserHandle.USER_ALL 8096 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8097 userIdentifier = UserHandle.USER_OWNER; 8098 } 8099 8100 /* 8101 * Determine if we have any installed package verifiers. If we 8102 * do, then we'll defer to them to verify the packages. 8103 */ 8104 final int requiredUid = mRequiredVerifierPackage == null ? -1 8105 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8106 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8107 final Intent verification = new Intent( 8108 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8109 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8110 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8111 8112 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8113 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8114 0 /* TODO: Which userId? */); 8115 8116 if (DEBUG_VERIFY) { 8117 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8118 + verification.toString() + " with " + pkgLite.verifiers.length 8119 + " optional verifiers"); 8120 } 8121 8122 final int verificationId = mPendingVerificationToken++; 8123 8124 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8125 8126 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8127 installerPackageName); 8128 8129 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8130 8131 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8132 pkgLite.packageName); 8133 8134 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8135 pkgLite.versionCode); 8136 8137 if (verificationParams != null) { 8138 if (verificationParams.getVerificationURI() != null) { 8139 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8140 verificationParams.getVerificationURI()); 8141 } 8142 if (verificationParams.getOriginatingURI() != null) { 8143 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8144 verificationParams.getOriginatingURI()); 8145 } 8146 if (verificationParams.getReferrer() != null) { 8147 verification.putExtra(Intent.EXTRA_REFERRER, 8148 verificationParams.getReferrer()); 8149 } 8150 if (verificationParams.getOriginatingUid() >= 0) { 8151 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8152 verificationParams.getOriginatingUid()); 8153 } 8154 if (verificationParams.getInstallerUid() >= 0) { 8155 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8156 verificationParams.getInstallerUid()); 8157 } 8158 } 8159 8160 final PackageVerificationState verificationState = new PackageVerificationState( 8161 requiredUid, args); 8162 8163 mPendingVerification.append(verificationId, verificationState); 8164 8165 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8166 receivers, verificationState); 8167 8168 /* 8169 * If any sufficient verifiers were listed in the package 8170 * manifest, attempt to ask them. 8171 */ 8172 if (sufficientVerifiers != null) { 8173 final int N = sufficientVerifiers.size(); 8174 if (N == 0) { 8175 Slog.i(TAG, "Additional verifiers required, but none installed."); 8176 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8177 } else { 8178 for (int i = 0; i < N; i++) { 8179 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8180 8181 final Intent sufficientIntent = new Intent(verification); 8182 sufficientIntent.setComponent(verifierComponent); 8183 8184 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8185 } 8186 } 8187 } 8188 8189 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8190 mRequiredVerifierPackage, receivers); 8191 if (ret == PackageManager.INSTALL_SUCCEEDED 8192 && mRequiredVerifierPackage != null) { 8193 /* 8194 * Send the intent to the required verification agent, 8195 * but only start the verification timeout after the 8196 * target BroadcastReceivers have run. 8197 */ 8198 verification.setComponent(requiredVerifierComponent); 8199 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8200 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8201 new BroadcastReceiver() { 8202 @Override 8203 public void onReceive(Context context, Intent intent) { 8204 final Message msg = mHandler 8205 .obtainMessage(CHECK_PENDING_VERIFICATION); 8206 msg.arg1 = verificationId; 8207 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8208 } 8209 }, null, 0, null, null); 8210 8211 /* 8212 * We don't want the copy to proceed until verification 8213 * succeeds, so null out this field. 8214 */ 8215 mArgs = null; 8216 } 8217 } else { 8218 /* 8219 * No package verification is enabled, so immediately start 8220 * the remote call to initiate copy using temporary file. 8221 */ 8222 ret = args.copyApk(mContainerService, true); 8223 } 8224 } 8225 8226 mRet = ret; 8227 } 8228 8229 @Override 8230 void handleReturnCode() { 8231 // If mArgs is null, then MCS couldn't be reached. When it 8232 // reconnects, it will try again to install. At that point, this 8233 // will succeed. 8234 if (mArgs != null) { 8235 processPendingInstall(mArgs, mRet); 8236 8237 if (mTempPackage != null) { 8238 if (!mTempPackage.delete()) { 8239 Slog.w(TAG, "Couldn't delete temporary file: " + 8240 mTempPackage.getAbsolutePath()); 8241 } 8242 } 8243 } 8244 } 8245 8246 @Override 8247 void handleServiceError() { 8248 mArgs = createInstallArgs(this); 8249 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8250 } 8251 8252 public boolean isForwardLocked() { 8253 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8254 } 8255 8256 public Uri getPackageUri() { 8257 if (mTempPackage != null) { 8258 return Uri.fromFile(mTempPackage); 8259 } else { 8260 return mPackageURI; 8261 } 8262 } 8263 } 8264 8265 /* 8266 * Utility class used in movePackage api. 8267 * srcArgs and targetArgs are not set for invalid flags and make 8268 * sure to do null checks when invoking methods on them. 8269 * We probably want to return ErrorPrams for both failed installs 8270 * and moves. 8271 */ 8272 class MoveParams extends HandlerParams { 8273 final IPackageMoveObserver observer; 8274 final int flags; 8275 final String packageName; 8276 final InstallArgs srcArgs; 8277 final InstallArgs targetArgs; 8278 int uid; 8279 int mRet; 8280 8281 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8282 String packageName, String dataDir, int uid, UserHandle user) { 8283 super(user); 8284 this.srcArgs = srcArgs; 8285 this.observer = observer; 8286 this.flags = flags; 8287 this.packageName = packageName; 8288 this.uid = uid; 8289 if (srcArgs != null) { 8290 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8291 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); 8292 } else { 8293 targetArgs = null; 8294 } 8295 } 8296 8297 @Override 8298 public String toString() { 8299 return "MoveParams{" 8300 + Integer.toHexString(System.identityHashCode(this)) 8301 + " " + packageName + "}"; 8302 } 8303 8304 public void handleStartCopy() throws RemoteException { 8305 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8306 // Check for storage space on target medium 8307 if (!targetArgs.checkFreeStorage(mContainerService)) { 8308 Log.w(TAG, "Insufficient storage to install"); 8309 return; 8310 } 8311 8312 mRet = srcArgs.doPreCopy(); 8313 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8314 return; 8315 } 8316 8317 mRet = targetArgs.copyApk(mContainerService, false); 8318 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8319 srcArgs.doPostCopy(uid); 8320 return; 8321 } 8322 8323 mRet = srcArgs.doPostCopy(uid); 8324 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8325 return; 8326 } 8327 8328 mRet = targetArgs.doPreInstall(mRet); 8329 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8330 return; 8331 } 8332 8333 if (DEBUG_SD_INSTALL) { 8334 StringBuilder builder = new StringBuilder(); 8335 if (srcArgs != null) { 8336 builder.append("src: "); 8337 builder.append(srcArgs.getCodePath()); 8338 } 8339 if (targetArgs != null) { 8340 builder.append(" target : "); 8341 builder.append(targetArgs.getCodePath()); 8342 } 8343 Log.i(TAG, builder.toString()); 8344 } 8345 } 8346 8347 @Override 8348 void handleReturnCode() { 8349 targetArgs.doPostInstall(mRet, uid); 8350 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8351 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8352 currentStatus = PackageManager.MOVE_SUCCEEDED; 8353 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8354 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8355 } 8356 processPendingMove(this, currentStatus); 8357 } 8358 8359 @Override 8360 void handleServiceError() { 8361 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8362 } 8363 } 8364 8365 /** 8366 * Used during creation of InstallArgs 8367 * 8368 * @param flags package installation flags 8369 * @return true if should be installed on external storage 8370 */ 8371 private static boolean installOnSd(int flags) { 8372 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8373 return false; 8374 } 8375 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8376 return true; 8377 } 8378 return false; 8379 } 8380 8381 /** 8382 * Used during creation of InstallArgs 8383 * 8384 * @param flags package installation flags 8385 * @return true if should be installed as forward locked 8386 */ 8387 private static boolean installForwardLocked(int flags) { 8388 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8389 } 8390 8391 private InstallArgs createInstallArgs(InstallParams params) { 8392 if (installOnSd(params.flags) || params.isForwardLocked()) { 8393 return new AsecInstallArgs(params); 8394 } else { 8395 return new FileInstallArgs(params); 8396 } 8397 } 8398 8399 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8400 String nativeLibraryPath) { 8401 final boolean isInAsec; 8402 if (installOnSd(flags)) { 8403 /* Apps on SD card are always in ASEC containers. */ 8404 isInAsec = true; 8405 } else if (installForwardLocked(flags) 8406 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8407 /* 8408 * Forward-locked apps are only in ASEC containers if they're the 8409 * new style 8410 */ 8411 isInAsec = true; 8412 } else { 8413 isInAsec = false; 8414 } 8415 8416 if (isInAsec) { 8417 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8418 installOnSd(flags), installForwardLocked(flags)); 8419 } else { 8420 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); 8421 } 8422 } 8423 8424 // Used by package mover 8425 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { 8426 if (installOnSd(flags) || installForwardLocked(flags)) { 8427 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8428 + AsecInstallArgs.RES_FILE_NAME); 8429 return new AsecInstallArgs(packageURI, cid, installOnSd(flags), 8430 installForwardLocked(flags)); 8431 } else { 8432 return new FileInstallArgs(packageURI, pkgName, dataDir); 8433 } 8434 } 8435 8436 static abstract class InstallArgs { 8437 final IPackageInstallObserver observer; 8438 final IPackageInstallObserver2 observer2; 8439 // Always refers to PackageManager flags only 8440 final int flags; 8441 final Uri packageURI; 8442 final String installerPackageName; 8443 final ManifestDigest manifestDigest; 8444 final UserHandle user; 8445 8446 InstallArgs(Uri packageURI, 8447 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8448 int flags, String installerPackageName, ManifestDigest manifestDigest, 8449 UserHandle user) { 8450 this.packageURI = packageURI; 8451 this.flags = flags; 8452 this.observer = observer; 8453 this.observer2 = observer2; 8454 this.installerPackageName = installerPackageName; 8455 this.manifestDigest = manifestDigest; 8456 this.user = user; 8457 } 8458 8459 abstract void createCopyFile(); 8460 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8461 abstract int doPreInstall(int status); 8462 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8463 8464 abstract int doPostInstall(int status, int uid); 8465 abstract String getCodePath(); 8466 abstract String getResourcePath(); 8467 abstract String getNativeLibraryPath(); 8468 // Need installer lock especially for dex file removal. 8469 abstract void cleanUpResourcesLI(); 8470 abstract boolean doPostDeleteLI(boolean delete); 8471 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8472 8473 /** 8474 * Called before the source arguments are copied. This is used mostly 8475 * for MoveParams when it needs to read the source file to put it in the 8476 * destination. 8477 */ 8478 int doPreCopy() { 8479 return PackageManager.INSTALL_SUCCEEDED; 8480 } 8481 8482 /** 8483 * Called after the source arguments are copied. This is used mostly for 8484 * MoveParams when it needs to read the source file to put it in the 8485 * destination. 8486 * 8487 * @return 8488 */ 8489 int doPostCopy(int uid) { 8490 return PackageManager.INSTALL_SUCCEEDED; 8491 } 8492 8493 protected boolean isFwdLocked() { 8494 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8495 } 8496 8497 UserHandle getUser() { 8498 return user; 8499 } 8500 } 8501 8502 class FileInstallArgs extends InstallArgs { 8503 File installDir; 8504 String codeFileName; 8505 String resourceFileName; 8506 String libraryPath; 8507 boolean created = false; 8508 8509 FileInstallArgs(InstallParams params) { 8510 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 8511 params.installerPackageName, params.getManifestDigest(), 8512 params.getUser()); 8513 } 8514 8515 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { 8516 super(null, null, null, 0, null, null, null); 8517 File codeFile = new File(fullCodePath); 8518 installDir = codeFile.getParentFile(); 8519 codeFileName = fullCodePath; 8520 resourceFileName = fullResourcePath; 8521 libraryPath = nativeLibraryPath; 8522 } 8523 8524 FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { 8525 super(packageURI, null, null, 0, null, null, null); 8526 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8527 String apkName = getNextCodePath(null, pkgName, ".apk"); 8528 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8529 resourceFileName = getResourcePathFromCodePath(); 8530 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8531 } 8532 8533 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8534 final long lowThreshold; 8535 8536 final DeviceStorageMonitorInternal 8537 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8538 if (dsm == null) { 8539 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8540 lowThreshold = 0L; 8541 } else { 8542 if (dsm.isMemoryLow()) { 8543 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8544 return false; 8545 } 8546 8547 lowThreshold = dsm.getMemoryLowThreshold(); 8548 } 8549 8550 try { 8551 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8552 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8553 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8554 } finally { 8555 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8556 } 8557 } 8558 8559 String getCodePath() { 8560 return codeFileName; 8561 } 8562 8563 void createCopyFile() { 8564 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8565 codeFileName = createTempPackageFile(installDir).getPath(); 8566 resourceFileName = getResourcePathFromCodePath(); 8567 libraryPath = getLibraryPathFromCodePath(); 8568 created = true; 8569 } 8570 8571 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8572 if (temp) { 8573 // Generate temp file name 8574 createCopyFile(); 8575 } 8576 // Get a ParcelFileDescriptor to write to the output file 8577 File codeFile = new File(codeFileName); 8578 if (!created) { 8579 try { 8580 codeFile.createNewFile(); 8581 // Set permissions 8582 if (!setPermissions()) { 8583 // Failed setting permissions. 8584 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8585 } 8586 } catch (IOException e) { 8587 Slog.w(TAG, "Failed to create file " + codeFile); 8588 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8589 } 8590 } 8591 ParcelFileDescriptor out = null; 8592 try { 8593 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8594 } catch (FileNotFoundException e) { 8595 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8596 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8597 } 8598 // Copy the resource now 8599 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8600 try { 8601 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8602 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8603 ret = imcs.copyResource(packageURI, null, out); 8604 } finally { 8605 IoUtils.closeQuietly(out); 8606 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8607 } 8608 8609 if (isFwdLocked()) { 8610 final File destResourceFile = new File(getResourcePath()); 8611 8612 // Copy the public files 8613 try { 8614 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8615 } catch (IOException e) { 8616 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8617 + " forward-locked app."); 8618 destResourceFile.delete(); 8619 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8620 } 8621 } 8622 8623 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8624 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8625 if (nativeLibraryFile.exists()) { 8626 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8627 nativeLibraryFile.delete(); 8628 } 8629 try { 8630 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8631 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8632 return copyRet; 8633 } 8634 } catch (IOException e) { 8635 Slog.e(TAG, "Copying native libraries failed", e); 8636 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8637 } 8638 8639 return ret; 8640 } 8641 8642 int doPreInstall(int status) { 8643 if (status != PackageManager.INSTALL_SUCCEEDED) { 8644 cleanUp(); 8645 } 8646 return status; 8647 } 8648 8649 boolean doRename(int status, final String pkgName, String oldCodePath) { 8650 if (status != PackageManager.INSTALL_SUCCEEDED) { 8651 cleanUp(); 8652 return false; 8653 } else { 8654 final File oldCodeFile = new File(getCodePath()); 8655 final File oldResourceFile = new File(getResourcePath()); 8656 final File oldLibraryFile = new File(getNativeLibraryPath()); 8657 8658 // Rename APK file based on packageName 8659 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8660 final File newCodeFile = new File(installDir, apkName + ".apk"); 8661 if (!oldCodeFile.renameTo(newCodeFile)) { 8662 return false; 8663 } 8664 codeFileName = newCodeFile.getPath(); 8665 8666 // Rename public resource file if it's forward-locked. 8667 final File newResFile = new File(getResourcePathFromCodePath()); 8668 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8669 return false; 8670 } 8671 resourceFileName = newResFile.getPath(); 8672 8673 // Rename library path 8674 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8675 if (newLibraryFile.exists()) { 8676 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8677 newLibraryFile.delete(); 8678 } 8679 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8680 Slog.e(TAG, "Cannot rename native library directory " 8681 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8682 return false; 8683 } 8684 libraryPath = newLibraryFile.getPath(); 8685 8686 // Attempt to set permissions 8687 if (!setPermissions()) { 8688 return false; 8689 } 8690 8691 if (!SELinux.restorecon(newCodeFile)) { 8692 return false; 8693 } 8694 8695 return true; 8696 } 8697 } 8698 8699 int doPostInstall(int status, int uid) { 8700 if (status != PackageManager.INSTALL_SUCCEEDED) { 8701 cleanUp(); 8702 } 8703 return status; 8704 } 8705 8706 String getResourcePath() { 8707 return resourceFileName; 8708 } 8709 8710 private String getResourcePathFromCodePath() { 8711 final String codePath = getCodePath(); 8712 if (isFwdLocked()) { 8713 final StringBuilder sb = new StringBuilder(); 8714 8715 sb.append(mAppInstallDir.getPath()); 8716 sb.append('/'); 8717 sb.append(getApkName(codePath)); 8718 sb.append(".zip"); 8719 8720 /* 8721 * If our APK is a temporary file, mark the resource as a 8722 * temporary file as well so it can be cleaned up after 8723 * catastrophic failure. 8724 */ 8725 if (codePath.endsWith(".tmp")) { 8726 sb.append(".tmp"); 8727 } 8728 8729 return sb.toString(); 8730 } else { 8731 return codePath; 8732 } 8733 } 8734 8735 private String getLibraryPathFromCodePath() { 8736 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8737 } 8738 8739 @Override 8740 String getNativeLibraryPath() { 8741 if (libraryPath == null) { 8742 libraryPath = getLibraryPathFromCodePath(); 8743 } 8744 return libraryPath; 8745 } 8746 8747 private boolean cleanUp() { 8748 boolean ret = true; 8749 String sourceDir = getCodePath(); 8750 String publicSourceDir = getResourcePath(); 8751 if (sourceDir != null) { 8752 File sourceFile = new File(sourceDir); 8753 if (!sourceFile.exists()) { 8754 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8755 ret = false; 8756 } 8757 // Delete application's code and resources 8758 sourceFile.delete(); 8759 } 8760 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8761 final File publicSourceFile = new File(publicSourceDir); 8762 if (!publicSourceFile.exists()) { 8763 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8764 } 8765 if (publicSourceFile.exists()) { 8766 publicSourceFile.delete(); 8767 } 8768 } 8769 8770 if (libraryPath != null) { 8771 File nativeLibraryFile = new File(libraryPath); 8772 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8773 if (!nativeLibraryFile.delete()) { 8774 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8775 } 8776 } 8777 8778 return ret; 8779 } 8780 8781 void cleanUpResourcesLI() { 8782 String sourceDir = getCodePath(); 8783 if (cleanUp()) { 8784 int retCode = mInstaller.rmdex(sourceDir); 8785 if (retCode < 0) { 8786 Slog.w(TAG, "Couldn't remove dex file for package: " 8787 + " at location " 8788 + sourceDir + ", retcode=" + retCode); 8789 // we don't consider this to be a failure of the core package deletion 8790 } 8791 } 8792 } 8793 8794 private boolean setPermissions() { 8795 // TODO Do this in a more elegant way later on. for now just a hack 8796 if (!isFwdLocked()) { 8797 final int filePermissions = 8798 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8799 |FileUtils.S_IROTH; 8800 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8801 if (retCode != 0) { 8802 Slog.e(TAG, "Couldn't set new package file permissions for " + 8803 getCodePath() 8804 + ". The return code was: " + retCode); 8805 // TODO Define new internal error 8806 return false; 8807 } 8808 return true; 8809 } 8810 return true; 8811 } 8812 8813 boolean doPostDeleteLI(boolean delete) { 8814 // XXX err, shouldn't we respect the delete flag? 8815 cleanUpResourcesLI(); 8816 return true; 8817 } 8818 } 8819 8820 private boolean isAsecExternal(String cid) { 8821 final String asecPath = PackageHelper.getSdFilesystem(cid); 8822 return !asecPath.startsWith(mAsecInternalPath); 8823 } 8824 8825 /** 8826 * Extract the MountService "container ID" from the full code path of an 8827 * .apk. 8828 */ 8829 static String cidFromCodePath(String fullCodePath) { 8830 int eidx = fullCodePath.lastIndexOf("/"); 8831 String subStr1 = fullCodePath.substring(0, eidx); 8832 int sidx = subStr1.lastIndexOf("/"); 8833 return subStr1.substring(sidx+1, eidx); 8834 } 8835 8836 class AsecInstallArgs extends InstallArgs { 8837 static final String RES_FILE_NAME = "pkg.apk"; 8838 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8839 8840 String cid; 8841 String packagePath; 8842 String resourcePath; 8843 String libraryPath; 8844 8845 AsecInstallArgs(InstallParams params) { 8846 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 8847 params.installerPackageName, params.getManifestDigest(), 8848 params.getUser()); 8849 } 8850 8851 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8852 boolean isExternal, boolean isForwardLocked) { 8853 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8854 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8855 null, null, null); 8856 // Extract cid from fullCodePath 8857 int eidx = fullCodePath.lastIndexOf("/"); 8858 String subStr1 = fullCodePath.substring(0, eidx); 8859 int sidx = subStr1.lastIndexOf("/"); 8860 cid = subStr1.substring(sidx+1, eidx); 8861 setCachePath(subStr1); 8862 } 8863 8864 AsecInstallArgs(String cid, boolean isForwardLocked) { 8865 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8866 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8867 null, null, null); 8868 this.cid = cid; 8869 setCachePath(PackageHelper.getSdDir(cid)); 8870 } 8871 8872 AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) { 8873 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8874 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8875 null, null, null); 8876 this.cid = cid; 8877 } 8878 8879 void createCopyFile() { 8880 cid = getTempContainerId(); 8881 } 8882 8883 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8884 try { 8885 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8886 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8887 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8888 } finally { 8889 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8890 } 8891 } 8892 8893 private final boolean isExternal() { 8894 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8895 } 8896 8897 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8898 if (temp) { 8899 createCopyFile(); 8900 } else { 8901 /* 8902 * Pre-emptively destroy the container since it's destroyed if 8903 * copying fails due to it existing anyway. 8904 */ 8905 PackageHelper.destroySdDir(cid); 8906 } 8907 8908 final String newCachePath; 8909 try { 8910 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8911 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8912 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 8913 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 8914 } finally { 8915 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8916 } 8917 8918 if (newCachePath != null) { 8919 setCachePath(newCachePath); 8920 return PackageManager.INSTALL_SUCCEEDED; 8921 } else { 8922 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8923 } 8924 } 8925 8926 @Override 8927 String getCodePath() { 8928 return packagePath; 8929 } 8930 8931 @Override 8932 String getResourcePath() { 8933 return resourcePath; 8934 } 8935 8936 @Override 8937 String getNativeLibraryPath() { 8938 return libraryPath; 8939 } 8940 8941 int doPreInstall(int status) { 8942 if (status != PackageManager.INSTALL_SUCCEEDED) { 8943 // Destroy container 8944 PackageHelper.destroySdDir(cid); 8945 } else { 8946 boolean mounted = PackageHelper.isContainerMounted(cid); 8947 if (!mounted) { 8948 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 8949 Process.SYSTEM_UID); 8950 if (newCachePath != null) { 8951 setCachePath(newCachePath); 8952 } else { 8953 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8954 } 8955 } 8956 } 8957 return status; 8958 } 8959 8960 boolean doRename(int status, final String pkgName, 8961 String oldCodePath) { 8962 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 8963 String newCachePath = null; 8964 if (PackageHelper.isContainerMounted(cid)) { 8965 // Unmount the container 8966 if (!PackageHelper.unMountSdDir(cid)) { 8967 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 8968 return false; 8969 } 8970 } 8971 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8972 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 8973 " which might be stale. Will try to clean up."); 8974 // Clean up the stale container and proceed to recreate. 8975 if (!PackageHelper.destroySdDir(newCacheId)) { 8976 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 8977 return false; 8978 } 8979 // Successfully cleaned up stale container. Try to rename again. 8980 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8981 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 8982 + " inspite of cleaning it up."); 8983 return false; 8984 } 8985 } 8986 if (!PackageHelper.isContainerMounted(newCacheId)) { 8987 Slog.w(TAG, "Mounting container " + newCacheId); 8988 newCachePath = PackageHelper.mountSdDir(newCacheId, 8989 getEncryptKey(), Process.SYSTEM_UID); 8990 } else { 8991 newCachePath = PackageHelper.getSdDir(newCacheId); 8992 } 8993 if (newCachePath == null) { 8994 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 8995 return false; 8996 } 8997 Log.i(TAG, "Succesfully renamed " + cid + 8998 " to " + newCacheId + 8999 " at new path: " + newCachePath); 9000 cid = newCacheId; 9001 setCachePath(newCachePath); 9002 return true; 9003 } 9004 9005 private void setCachePath(String newCachePath) { 9006 File cachePath = new File(newCachePath); 9007 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9008 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9009 9010 if (isFwdLocked()) { 9011 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9012 } else { 9013 resourcePath = packagePath; 9014 } 9015 } 9016 9017 int doPostInstall(int status, int uid) { 9018 if (status != PackageManager.INSTALL_SUCCEEDED) { 9019 cleanUp(); 9020 } else { 9021 final int groupOwner; 9022 final String protectedFile; 9023 if (isFwdLocked()) { 9024 groupOwner = UserHandle.getSharedAppGid(uid); 9025 protectedFile = RES_FILE_NAME; 9026 } else { 9027 groupOwner = -1; 9028 protectedFile = null; 9029 } 9030 9031 if (uid < Process.FIRST_APPLICATION_UID 9032 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9033 Slog.e(TAG, "Failed to finalize " + cid); 9034 PackageHelper.destroySdDir(cid); 9035 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9036 } 9037 9038 boolean mounted = PackageHelper.isContainerMounted(cid); 9039 if (!mounted) { 9040 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9041 } 9042 } 9043 return status; 9044 } 9045 9046 private void cleanUp() { 9047 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9048 9049 // Destroy secure container 9050 PackageHelper.destroySdDir(cid); 9051 } 9052 9053 void cleanUpResourcesLI() { 9054 String sourceFile = getCodePath(); 9055 // Remove dex file 9056 int retCode = mInstaller.rmdex(sourceFile); 9057 if (retCode < 0) { 9058 Slog.w(TAG, "Couldn't remove dex file for package: " 9059 + " at location " 9060 + sourceFile.toString() + ", retcode=" + retCode); 9061 // we don't consider this to be a failure of the core package deletion 9062 } 9063 cleanUp(); 9064 } 9065 9066 boolean matchContainer(String app) { 9067 if (cid.startsWith(app)) { 9068 return true; 9069 } 9070 return false; 9071 } 9072 9073 String getPackageName() { 9074 return getAsecPackageName(cid); 9075 } 9076 9077 boolean doPostDeleteLI(boolean delete) { 9078 boolean ret = false; 9079 boolean mounted = PackageHelper.isContainerMounted(cid); 9080 if (mounted) { 9081 // Unmount first 9082 ret = PackageHelper.unMountSdDir(cid); 9083 } 9084 if (ret && delete) { 9085 cleanUpResourcesLI(); 9086 } 9087 return ret; 9088 } 9089 9090 @Override 9091 int doPreCopy() { 9092 if (isFwdLocked()) { 9093 if (!PackageHelper.fixSdPermissions(cid, 9094 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9095 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9096 } 9097 } 9098 9099 return PackageManager.INSTALL_SUCCEEDED; 9100 } 9101 9102 @Override 9103 int doPostCopy(int uid) { 9104 if (isFwdLocked()) { 9105 if (uid < Process.FIRST_APPLICATION_UID 9106 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9107 RES_FILE_NAME)) { 9108 Slog.e(TAG, "Failed to finalize " + cid); 9109 PackageHelper.destroySdDir(cid); 9110 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9111 } 9112 } 9113 9114 return PackageManager.INSTALL_SUCCEEDED; 9115 } 9116 }; 9117 9118 static String getAsecPackageName(String packageCid) { 9119 int idx = packageCid.lastIndexOf("-"); 9120 if (idx == -1) { 9121 return packageCid; 9122 } 9123 return packageCid.substring(0, idx); 9124 } 9125 9126 // Utility method used to create code paths based on package name and available index. 9127 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9128 String idxStr = ""; 9129 int idx = 1; 9130 // Fall back to default value of idx=1 if prefix is not 9131 // part of oldCodePath 9132 if (oldCodePath != null) { 9133 String subStr = oldCodePath; 9134 // Drop the suffix right away 9135 if (subStr.endsWith(suffix)) { 9136 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9137 } 9138 // If oldCodePath already contains prefix find out the 9139 // ending index to either increment or decrement. 9140 int sidx = subStr.lastIndexOf(prefix); 9141 if (sidx != -1) { 9142 subStr = subStr.substring(sidx + prefix.length()); 9143 if (subStr != null) { 9144 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9145 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9146 } 9147 try { 9148 idx = Integer.parseInt(subStr); 9149 if (idx <= 1) { 9150 idx++; 9151 } else { 9152 idx--; 9153 } 9154 } catch(NumberFormatException e) { 9155 } 9156 } 9157 } 9158 } 9159 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9160 return prefix + idxStr; 9161 } 9162 9163 // Utility method used to ignore ADD/REMOVE events 9164 // by directory observer. 9165 private static boolean ignoreCodePath(String fullPathStr) { 9166 String apkName = getApkName(fullPathStr); 9167 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9168 if (idx != -1 && ((idx+1) < apkName.length())) { 9169 // Make sure the package ends with a numeral 9170 String version = apkName.substring(idx+1); 9171 try { 9172 Integer.parseInt(version); 9173 return true; 9174 } catch (NumberFormatException e) {} 9175 } 9176 return false; 9177 } 9178 9179 // Utility method that returns the relative package path with respect 9180 // to the installation directory. Like say for /data/data/com.test-1.apk 9181 // string com.test-1 is returned. 9182 static String getApkName(String codePath) { 9183 if (codePath == null) { 9184 return null; 9185 } 9186 int sidx = codePath.lastIndexOf("/"); 9187 int eidx = codePath.lastIndexOf("."); 9188 if (eidx == -1) { 9189 eidx = codePath.length(); 9190 } else if (eidx == 0) { 9191 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9192 return null; 9193 } 9194 return codePath.substring(sidx+1, eidx); 9195 } 9196 9197 class PackageInstalledInfo { 9198 String name; 9199 int uid; 9200 // The set of users that originally had this package installed. 9201 int[] origUsers; 9202 // The set of users that now have this package installed. 9203 int[] newUsers; 9204 PackageParser.Package pkg; 9205 int returnCode; 9206 PackageRemovedInfo removedInfo; 9207 9208 // In some error cases we want to convey more info back to the observer 9209 String origPackage; 9210 String origPermission; 9211 } 9212 9213 /* 9214 * Install a non-existing package. 9215 */ 9216 private void installNewPackageLI(PackageParser.Package pkg, 9217 int parseFlags, int scanMode, UserHandle user, 9218 String installerPackageName, PackageInstalledInfo res) { 9219 // Remember this for later, in case we need to rollback this install 9220 String pkgName = pkg.packageName; 9221 9222 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9223 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9224 synchronized(mPackages) { 9225 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9226 // A package with the same name is already installed, though 9227 // it has been renamed to an older name. The package we 9228 // are trying to install should be installed as an update to 9229 // the existing one, but that has not been requested, so bail. 9230 Slog.w(TAG, "Attempt to re-install " + pkgName 9231 + " without first uninstalling package running as " 9232 + mSettings.mRenamedPackages.get(pkgName)); 9233 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9234 return; 9235 } 9236 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9237 // Don't allow installation over an existing package with the same name. 9238 Slog.w(TAG, "Attempt to re-install " + pkgName 9239 + " without first uninstalling."); 9240 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9241 return; 9242 } 9243 } 9244 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9245 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9246 System.currentTimeMillis(), user); 9247 if (newPackage == null) { 9248 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9249 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9250 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9251 } 9252 } else { 9253 updateSettingsLI(newPackage, 9254 installerPackageName, 9255 null, null, 9256 res); 9257 // delete the partially installed application. the data directory will have to be 9258 // restored if it was already existing 9259 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9260 // remove package from internal structures. Note that we want deletePackageX to 9261 // delete the package data and cache directories that it created in 9262 // scanPackageLocked, unless those directories existed before we even tried to 9263 // install. 9264 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9265 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9266 res.removedInfo, true); 9267 } 9268 } 9269 } 9270 9271 private void replacePackageLI(PackageParser.Package pkg, 9272 int parseFlags, int scanMode, UserHandle user, 9273 String installerPackageName, PackageInstalledInfo res) { 9274 9275 PackageParser.Package oldPackage; 9276 String pkgName = pkg.packageName; 9277 int[] allUsers; 9278 boolean[] perUserInstalled; 9279 9280 // First find the old package info and check signatures 9281 synchronized(mPackages) { 9282 oldPackage = mPackages.get(pkgName); 9283 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9284 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9285 != PackageManager.SIGNATURE_MATCH) { 9286 Slog.w(TAG, "New package has a different signature: " + pkgName); 9287 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9288 return; 9289 } 9290 9291 // In case of rollback, remember per-user/profile install state 9292 PackageSetting ps = mSettings.mPackages.get(pkgName); 9293 allUsers = sUserManager.getUserIds(); 9294 perUserInstalled = new boolean[allUsers.length]; 9295 for (int i = 0; i < allUsers.length; i++) { 9296 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9297 } 9298 } 9299 boolean sysPkg = (isSystemApp(oldPackage)); 9300 if (sysPkg) { 9301 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9302 user, allUsers, perUserInstalled, installerPackageName, res); 9303 } else { 9304 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9305 user, allUsers, perUserInstalled, installerPackageName, res); 9306 } 9307 } 9308 9309 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9310 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9311 int[] allUsers, boolean[] perUserInstalled, 9312 String installerPackageName, PackageInstalledInfo res) { 9313 PackageParser.Package newPackage = null; 9314 String pkgName = deletedPackage.packageName; 9315 boolean deletedPkg = true; 9316 boolean updatedSettings = false; 9317 9318 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9319 + deletedPackage); 9320 long origUpdateTime; 9321 if (pkg.mExtras != null) { 9322 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9323 } else { 9324 origUpdateTime = 0; 9325 } 9326 9327 // First delete the existing package while retaining the data directory 9328 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9329 res.removedInfo, true)) { 9330 // If the existing package wasn't successfully deleted 9331 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9332 deletedPkg = false; 9333 } else { 9334 // Successfully deleted the old package. Now proceed with re-installation 9335 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9336 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9337 System.currentTimeMillis(), user); 9338 if (newPackage == null) { 9339 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9340 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9341 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9342 } 9343 } else { 9344 updateSettingsLI(newPackage, 9345 installerPackageName, 9346 allUsers, perUserInstalled, 9347 res); 9348 updatedSettings = true; 9349 } 9350 } 9351 9352 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9353 // remove package from internal structures. Note that we want deletePackageX to 9354 // delete the package data and cache directories that it created in 9355 // scanPackageLocked, unless those directories existed before we even tried to 9356 // install. 9357 if(updatedSettings) { 9358 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9359 deletePackageLI( 9360 pkgName, null, true, allUsers, perUserInstalled, 9361 PackageManager.DELETE_KEEP_DATA, 9362 res.removedInfo, true); 9363 } 9364 // Since we failed to install the new package we need to restore the old 9365 // package that we deleted. 9366 if(deletedPkg) { 9367 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9368 File restoreFile = new File(deletedPackage.mPath); 9369 // Parse old package 9370 boolean oldOnSd = isExternal(deletedPackage); 9371 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9372 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9373 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9374 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9375 | SCAN_UPDATE_TIME; 9376 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9377 origUpdateTime, null) == null) { 9378 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9379 return; 9380 } 9381 // Restore of old package succeeded. Update permissions. 9382 // writer 9383 synchronized (mPackages) { 9384 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9385 UPDATE_PERMISSIONS_ALL); 9386 // can downgrade to reader 9387 mSettings.writeLPr(); 9388 } 9389 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9390 } 9391 } 9392 } 9393 9394 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9395 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9396 int[] allUsers, boolean[] perUserInstalled, 9397 String installerPackageName, PackageInstalledInfo res) { 9398 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9399 + ", old=" + deletedPackage); 9400 PackageParser.Package newPackage = null; 9401 boolean updatedSettings = false; 9402 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9403 PackageParser.PARSE_IS_SYSTEM; 9404 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9405 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9406 } 9407 String packageName = deletedPackage.packageName; 9408 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9409 if (packageName == null) { 9410 Slog.w(TAG, "Attempt to delete null packageName."); 9411 return; 9412 } 9413 PackageParser.Package oldPkg; 9414 PackageSetting oldPkgSetting; 9415 // reader 9416 synchronized (mPackages) { 9417 oldPkg = mPackages.get(packageName); 9418 oldPkgSetting = mSettings.mPackages.get(packageName); 9419 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9420 (oldPkgSetting == null)) { 9421 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9422 return; 9423 } 9424 } 9425 9426 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9427 9428 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9429 res.removedInfo.removedPackage = packageName; 9430 // Remove existing system package 9431 removePackageLI(oldPkgSetting, true); 9432 // writer 9433 synchronized (mPackages) { 9434 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9435 // We didn't need to disable the .apk as a current system package, 9436 // which means we are replacing another update that is already 9437 // installed. We need to make sure to delete the older one's .apk. 9438 res.removedInfo.args = createInstallArgs(0, 9439 deletedPackage.applicationInfo.sourceDir, 9440 deletedPackage.applicationInfo.publicSourceDir, 9441 deletedPackage.applicationInfo.nativeLibraryDir); 9442 } else { 9443 res.removedInfo.args = null; 9444 } 9445 } 9446 9447 // Successfully disabled the old package. Now proceed with re-installation 9448 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9449 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9450 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9451 if (newPackage == null) { 9452 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9453 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9454 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9455 } 9456 } else { 9457 if (newPackage.mExtras != null) { 9458 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9459 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9460 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9461 9462 // is the update attempting to change shared user? that isn't going to work... 9463 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 9464 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 9465 + " to " + newPkgSetting.sharedUser); 9466 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 9467 updatedSettings = true; 9468 } 9469 } 9470 9471 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 9472 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9473 updatedSettings = true; 9474 } 9475 } 9476 9477 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9478 // Re installation failed. Restore old information 9479 // Remove new pkg information 9480 if (newPackage != null) { 9481 removeInstalledPackageLI(newPackage, true); 9482 } 9483 // Add back the old system package 9484 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9485 // Restore the old system information in Settings 9486 synchronized(mPackages) { 9487 if (updatedSettings) { 9488 mSettings.enableSystemPackageLPw(packageName); 9489 mSettings.setInstallerPackageName(packageName, 9490 oldPkgSetting.installerPackageName); 9491 } 9492 mSettings.writeLPr(); 9493 } 9494 } 9495 } 9496 9497 // Utility method used to move dex files during install. 9498 private int moveDexFilesLI(PackageParser.Package newPackage) { 9499 int retCode; 9500 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9501 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); 9502 if (retCode != 0) { 9503 if (mNoDexOpt) { 9504 /* 9505 * If we're in an engineering build, programs are lazily run 9506 * through dexopt. If the .dex file doesn't exist yet, it 9507 * will be created when the program is run next. 9508 */ 9509 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 9510 } else { 9511 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 9512 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9513 } 9514 } 9515 } 9516 return PackageManager.INSTALL_SUCCEEDED; 9517 } 9518 9519 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9520 int[] allUsers, boolean[] perUserInstalled, 9521 PackageInstalledInfo res) { 9522 String pkgName = newPackage.packageName; 9523 synchronized (mPackages) { 9524 //write settings. the installStatus will be incomplete at this stage. 9525 //note that the new package setting would have already been 9526 //added to mPackages. It hasn't been persisted yet. 9527 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9528 mSettings.writeLPr(); 9529 } 9530 9531 if ((res.returnCode = moveDexFilesLI(newPackage)) 9532 != PackageManager.INSTALL_SUCCEEDED) { 9533 // Discontinue if moving dex files failed. 9534 return; 9535 } 9536 9537 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9538 9539 synchronized (mPackages) { 9540 updatePermissionsLPw(newPackage.packageName, newPackage, 9541 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9542 ? UPDATE_PERMISSIONS_ALL : 0)); 9543 // For system-bundled packages, we assume that installing an upgraded version 9544 // of the package implies that the user actually wants to run that new code, 9545 // so we enable the package. 9546 if (isSystemApp(newPackage)) { 9547 // NB: implicit assumption that system package upgrades apply to all users 9548 if (DEBUG_INSTALL) { 9549 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9550 } 9551 PackageSetting ps = mSettings.mPackages.get(pkgName); 9552 if (ps != null) { 9553 if (res.origUsers != null) { 9554 for (int userHandle : res.origUsers) { 9555 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9556 userHandle, installerPackageName); 9557 } 9558 } 9559 // Also convey the prior install/uninstall state 9560 if (allUsers != null && perUserInstalled != null) { 9561 for (int i = 0; i < allUsers.length; i++) { 9562 if (DEBUG_INSTALL) { 9563 Slog.d(TAG, " user " + allUsers[i] 9564 + " => " + perUserInstalled[i]); 9565 } 9566 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9567 } 9568 // these install state changes will be persisted in the 9569 // upcoming call to mSettings.writeLPr(). 9570 } 9571 } 9572 } 9573 res.name = pkgName; 9574 res.uid = newPackage.applicationInfo.uid; 9575 res.pkg = newPackage; 9576 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9577 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9578 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9579 //to update install status 9580 mSettings.writeLPr(); 9581 } 9582 } 9583 9584 private void installPackageLI(InstallArgs args, 9585 boolean newInstall, PackageInstalledInfo res) { 9586 int pFlags = args.flags; 9587 String installerPackageName = args.installerPackageName; 9588 File tmpPackageFile = new File(args.getCodePath()); 9589 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9590 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9591 boolean replace = false; 9592 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9593 | (newInstall ? SCAN_NEW_INSTALL : 0); 9594 // Result object to be returned 9595 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9596 9597 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9598 // Retrieve PackageSettings and parse package 9599 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9600 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9601 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9602 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9603 pp.setSeparateProcesses(mSeparateProcesses); 9604 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9605 null, mMetrics, parseFlags); 9606 if (pkg == null) { 9607 res.returnCode = pp.getParseError(); 9608 return; 9609 } 9610 String pkgName = res.name = pkg.packageName; 9611 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9612 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9613 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9614 return; 9615 } 9616 } 9617 if (!pp.collectCertificates(pkg, parseFlags)) { 9618 res.returnCode = pp.getParseError(); 9619 return; 9620 } 9621 9622 /* If the installer passed in a manifest digest, compare it now. */ 9623 if (args.manifestDigest != null) { 9624 if (DEBUG_INSTALL) { 9625 final String parsedManifest = pkg.manifestDigest == null ? "null" 9626 : pkg.manifestDigest.toString(); 9627 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9628 + parsedManifest); 9629 } 9630 9631 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9632 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9633 return; 9634 } 9635 } else if (DEBUG_INSTALL) { 9636 final String parsedManifest = pkg.manifestDigest == null 9637 ? "null" : pkg.manifestDigest.toString(); 9638 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9639 } 9640 9641 // Get rid of all references to package scan path via parser. 9642 pp = null; 9643 String oldCodePath = null; 9644 boolean systemApp = false; 9645 synchronized (mPackages) { 9646 // Check whether the newly-scanned package wants to define an already-defined perm 9647 int N = pkg.permissions.size(); 9648 for (int i = 0; i < N; i++) { 9649 PackageParser.Permission perm = pkg.permissions.get(i); 9650 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 9651 if (bp != null) { 9652 // If the defining package is signed with our cert, it's okay. This 9653 // also includes the "updating the same package" case, of course. 9654 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 9655 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9656 Slog.w(TAG, "Package " + pkg.packageName 9657 + " attempting to redeclare permission " + perm.info.name 9658 + " already owned by " + bp.sourcePackage); 9659 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 9660 res.origPermission = perm.info.name; 9661 res.origPackage = bp.sourcePackage; 9662 return; 9663 } 9664 } 9665 } 9666 9667 // Check if installing already existing package 9668 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9669 String oldName = mSettings.mRenamedPackages.get(pkgName); 9670 if (pkg.mOriginalPackages != null 9671 && pkg.mOriginalPackages.contains(oldName) 9672 && mPackages.containsKey(oldName)) { 9673 // This package is derived from an original package, 9674 // and this device has been updating from that original 9675 // name. We must continue using the original name, so 9676 // rename the new package here. 9677 pkg.setPackageName(oldName); 9678 pkgName = pkg.packageName; 9679 replace = true; 9680 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9681 + oldName + " pkgName=" + pkgName); 9682 } else if (mPackages.containsKey(pkgName)) { 9683 // This package, under its official name, already exists 9684 // on the device; we should replace it. 9685 replace = true; 9686 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9687 } 9688 } 9689 PackageSetting ps = mSettings.mPackages.get(pkgName); 9690 if (ps != null) { 9691 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9692 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9693 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9694 systemApp = (ps.pkg.applicationInfo.flags & 9695 ApplicationInfo.FLAG_SYSTEM) != 0; 9696 } 9697 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9698 } 9699 } 9700 9701 if (systemApp && onSd) { 9702 // Disable updates to system apps on sdcard 9703 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9704 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9705 return; 9706 } 9707 9708 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9709 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9710 return; 9711 } 9712 // Set application objects path explicitly after the rename 9713 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9714 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9715 if (replace) { 9716 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9717 installerPackageName, res); 9718 } else { 9719 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9720 installerPackageName, res); 9721 } 9722 synchronized (mPackages) { 9723 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9724 if (ps != null) { 9725 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9726 } 9727 } 9728 } 9729 9730 private static boolean isForwardLocked(PackageParser.Package pkg) { 9731 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9732 } 9733 9734 9735 private boolean isForwardLocked(PackageSetting ps) { 9736 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9737 } 9738 9739 private static boolean isExternal(PackageParser.Package pkg) { 9740 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9741 } 9742 9743 private static boolean isExternal(PackageSetting ps) { 9744 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9745 } 9746 9747 private static boolean isSystemApp(PackageParser.Package pkg) { 9748 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9749 } 9750 9751 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9752 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9753 } 9754 9755 private static boolean isSystemApp(ApplicationInfo info) { 9756 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9757 } 9758 9759 private static boolean isSystemApp(PackageSetting ps) { 9760 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9761 } 9762 9763 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9764 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9765 } 9766 9767 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9768 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9769 } 9770 9771 private int packageFlagsToInstallFlags(PackageSetting ps) { 9772 int installFlags = 0; 9773 if (isExternal(ps)) { 9774 installFlags |= PackageManager.INSTALL_EXTERNAL; 9775 } 9776 if (isForwardLocked(ps)) { 9777 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9778 } 9779 return installFlags; 9780 } 9781 9782 private void deleteTempPackageFiles() { 9783 final FilenameFilter filter = new FilenameFilter() { 9784 public boolean accept(File dir, String name) { 9785 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9786 } 9787 }; 9788 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9789 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9790 } 9791 9792 private static final void deleteTempPackageFilesInDirectory(File directory, 9793 FilenameFilter filter) { 9794 final String[] tmpFilesList = directory.list(filter); 9795 if (tmpFilesList == null) { 9796 return; 9797 } 9798 for (int i = 0; i < tmpFilesList.length; i++) { 9799 final File tmpFile = new File(directory, tmpFilesList[i]); 9800 tmpFile.delete(); 9801 } 9802 } 9803 9804 private File createTempPackageFile(File installDir) { 9805 File tmpPackageFile; 9806 try { 9807 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9808 } catch (IOException e) { 9809 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9810 return null; 9811 } 9812 try { 9813 FileUtils.setPermissions( 9814 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9815 -1, -1); 9816 if (!SELinux.restorecon(tmpPackageFile)) { 9817 return null; 9818 } 9819 } catch (IOException e) { 9820 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9821 return null; 9822 } 9823 return tmpPackageFile; 9824 } 9825 9826 @Override 9827 public void deletePackageAsUser(final String packageName, 9828 final IPackageDeleteObserver observer, 9829 final int userId, final int flags) { 9830 mContext.enforceCallingOrSelfPermission( 9831 android.Manifest.permission.DELETE_PACKAGES, null); 9832 final int uid = Binder.getCallingUid(); 9833 if (UserHandle.getUserId(uid) != userId) { 9834 mContext.enforceCallingPermission( 9835 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9836 "deletePackage for user " + userId); 9837 } 9838 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9839 try { 9840 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9841 } catch (RemoteException re) { 9842 } 9843 return; 9844 } 9845 9846 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9847 // Queue up an async operation since the package deletion may take a little while. 9848 mHandler.post(new Runnable() { 9849 public void run() { 9850 mHandler.removeCallbacks(this); 9851 final int returnCode = deletePackageX(packageName, userId, flags); 9852 if (observer != null) { 9853 try { 9854 observer.packageDeleted(packageName, returnCode); 9855 } catch (RemoteException e) { 9856 Log.i(TAG, "Observer no longer exists."); 9857 } //end catch 9858 } //end if 9859 } //end run 9860 }); 9861 } 9862 9863 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9864 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9865 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9866 try { 9867 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9868 || dpm.isDeviceOwner(packageName))) { 9869 return true; 9870 } 9871 } catch (RemoteException e) { 9872 } 9873 return false; 9874 } 9875 9876 /** 9877 * This method is an internal method that could be get invoked either 9878 * to delete an installed package or to clean up a failed installation. 9879 * After deleting an installed package, a broadcast is sent to notify any 9880 * listeners that the package has been installed. For cleaning up a failed 9881 * installation, the broadcast is not necessary since the package's 9882 * installation wouldn't have sent the initial broadcast either 9883 * The key steps in deleting a package are 9884 * deleting the package information in internal structures like mPackages, 9885 * deleting the packages base directories through installd 9886 * updating mSettings to reflect current status 9887 * persisting settings for later use 9888 * sending a broadcast if necessary 9889 */ 9890 private int deletePackageX(String packageName, int userId, int flags) { 9891 final PackageRemovedInfo info = new PackageRemovedInfo(); 9892 final boolean res; 9893 9894 if (isPackageDeviceAdmin(packageName, userId)) { 9895 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9896 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9897 } 9898 9899 boolean removedForAllUsers = false; 9900 boolean systemUpdate = false; 9901 9902 // for the uninstall-updates case and restricted profiles, remember the per- 9903 // userhandle installed state 9904 int[] allUsers; 9905 boolean[] perUserInstalled; 9906 synchronized (mPackages) { 9907 PackageSetting ps = mSettings.mPackages.get(packageName); 9908 allUsers = sUserManager.getUserIds(); 9909 perUserInstalled = new boolean[allUsers.length]; 9910 for (int i = 0; i < allUsers.length; i++) { 9911 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9912 } 9913 } 9914 9915 synchronized (mInstallLock) { 9916 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9917 res = deletePackageLI(packageName, 9918 (flags & PackageManager.DELETE_ALL_USERS) != 0 9919 ? UserHandle.ALL : new UserHandle(userId), 9920 true, allUsers, perUserInstalled, 9921 flags | REMOVE_CHATTY, info, true); 9922 systemUpdate = info.isRemovedPackageSystemUpdate; 9923 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9924 removedForAllUsers = true; 9925 } 9926 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9927 + " removedForAllUsers=" + removedForAllUsers); 9928 } 9929 9930 if (res) { 9931 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 9932 9933 // If the removed package was a system update, the old system package 9934 // was re-enabled; we need to broadcast this information 9935 if (systemUpdate) { 9936 Bundle extras = new Bundle(1); 9937 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 9938 ? info.removedAppId : info.uid); 9939 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9940 9941 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 9942 extras, null, null, null); 9943 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 9944 extras, null, null, null); 9945 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 9946 null, packageName, null, null); 9947 } 9948 } 9949 // Force a gc here. 9950 Runtime.getRuntime().gc(); 9951 // Delete the resources here after sending the broadcast to let 9952 // other processes clean up before deleting resources. 9953 if (info.args != null) { 9954 synchronized (mInstallLock) { 9955 info.args.doPostDeleteLI(true); 9956 } 9957 } 9958 9959 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 9960 } 9961 9962 static class PackageRemovedInfo { 9963 String removedPackage; 9964 int uid = -1; 9965 int removedAppId = -1; 9966 int[] removedUsers = null; 9967 boolean isRemovedPackageSystemUpdate = false; 9968 // Clean up resources deleted packages. 9969 InstallArgs args = null; 9970 9971 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 9972 Bundle extras = new Bundle(1); 9973 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 9974 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 9975 if (replacing) { 9976 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9977 } 9978 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 9979 if (removedPackage != null) { 9980 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 9981 extras, null, null, removedUsers); 9982 if (fullRemove && !replacing) { 9983 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 9984 extras, null, null, removedUsers); 9985 } 9986 } 9987 if (removedAppId >= 0) { 9988 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 9989 removedUsers); 9990 } 9991 } 9992 } 9993 9994 /* 9995 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 9996 * flag is not set, the data directory is removed as well. 9997 * make sure this flag is set for partially installed apps. If not its meaningless to 9998 * delete a partially installed application. 9999 */ 10000 private void removePackageDataLI(PackageSetting ps, 10001 int[] allUserHandles, boolean[] perUserInstalled, 10002 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10003 String packageName = ps.name; 10004 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10005 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10006 // Retrieve object to delete permissions for shared user later on 10007 final PackageSetting deletedPs; 10008 // reader 10009 synchronized (mPackages) { 10010 deletedPs = mSettings.mPackages.get(packageName); 10011 if (outInfo != null) { 10012 outInfo.removedPackage = packageName; 10013 outInfo.removedUsers = deletedPs != null 10014 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10015 : null; 10016 } 10017 } 10018 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10019 removeDataDirsLI(packageName); 10020 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10021 } 10022 // writer 10023 synchronized (mPackages) { 10024 if (deletedPs != null) { 10025 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10026 if (outInfo != null) { 10027 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10028 } 10029 if (deletedPs != null) { 10030 updatePermissionsLPw(deletedPs.name, null, 0); 10031 if (deletedPs.sharedUser != null) { 10032 // remove permissions associated with package 10033 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10034 } 10035 } 10036 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10037 } 10038 // make sure to preserve per-user disabled state if this removal was just 10039 // a downgrade of a system app to the factory package 10040 if (allUserHandles != null && perUserInstalled != null) { 10041 if (DEBUG_REMOVE) { 10042 Slog.d(TAG, "Propagating install state across downgrade"); 10043 } 10044 for (int i = 0; i < allUserHandles.length; i++) { 10045 if (DEBUG_REMOVE) { 10046 Slog.d(TAG, " user " + allUserHandles[i] 10047 + " => " + perUserInstalled[i]); 10048 } 10049 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10050 } 10051 } 10052 } 10053 // can downgrade to reader 10054 if (writeSettings) { 10055 // Save settings now 10056 mSettings.writeLPr(); 10057 } 10058 } 10059 if (outInfo != null) { 10060 // A user ID was deleted here. Go through all users and remove it 10061 // from KeyStore. 10062 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10063 } 10064 } 10065 10066 static boolean locationIsPrivileged(File path) { 10067 try { 10068 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10069 .getCanonicalPath(); 10070 return path.getCanonicalPath().startsWith(privilegedAppDir); 10071 } catch (IOException e) { 10072 Slog.e(TAG, "Unable to access code path " + path); 10073 } 10074 return false; 10075 } 10076 10077 /* 10078 * Tries to delete system package. 10079 */ 10080 private boolean deleteSystemPackageLI(PackageSetting newPs, 10081 int[] allUserHandles, boolean[] perUserInstalled, 10082 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10083 final boolean applyUserRestrictions 10084 = (allUserHandles != null) && (perUserInstalled != null); 10085 PackageSetting disabledPs = null; 10086 // Confirm if the system package has been updated 10087 // An updated system app can be deleted. This will also have to restore 10088 // the system pkg from system partition 10089 // reader 10090 synchronized (mPackages) { 10091 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10092 } 10093 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10094 + " disabledPs=" + disabledPs); 10095 if (disabledPs == null) { 10096 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10097 return false; 10098 } else if (DEBUG_REMOVE) { 10099 Slog.d(TAG, "Deleting system pkg from data partition"); 10100 } 10101 if (DEBUG_REMOVE) { 10102 if (applyUserRestrictions) { 10103 Slog.d(TAG, "Remembering install states:"); 10104 for (int i = 0; i < allUserHandles.length; i++) { 10105 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10106 } 10107 } 10108 } 10109 // Delete the updated package 10110 outInfo.isRemovedPackageSystemUpdate = true; 10111 if (disabledPs.versionCode < newPs.versionCode) { 10112 // Delete data for downgrades 10113 flags &= ~PackageManager.DELETE_KEEP_DATA; 10114 } else { 10115 // Preserve data by setting flag 10116 flags |= PackageManager.DELETE_KEEP_DATA; 10117 } 10118 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10119 allUserHandles, perUserInstalled, outInfo, writeSettings); 10120 if (!ret) { 10121 return false; 10122 } 10123 // writer 10124 synchronized (mPackages) { 10125 // Reinstate the old system package 10126 mSettings.enableSystemPackageLPw(newPs.name); 10127 // Remove any native libraries from the upgraded package. 10128 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10129 } 10130 // Install the system package 10131 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10132 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10133 if (locationIsPrivileged(disabledPs.codePath)) { 10134 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10135 } 10136 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10137 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 10138 10139 if (newPkg == null) { 10140 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10141 + " with error:" + mLastScanError); 10142 return false; 10143 } 10144 // writer 10145 synchronized (mPackages) { 10146 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10147 setInternalAppNativeLibraryPath(newPkg, ps); 10148 updatePermissionsLPw(newPkg.packageName, newPkg, 10149 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10150 if (applyUserRestrictions) { 10151 if (DEBUG_REMOVE) { 10152 Slog.d(TAG, "Propagating install state across reinstall"); 10153 } 10154 for (int i = 0; i < allUserHandles.length; i++) { 10155 if (DEBUG_REMOVE) { 10156 Slog.d(TAG, " user " + allUserHandles[i] 10157 + " => " + perUserInstalled[i]); 10158 } 10159 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10160 } 10161 // Regardless of writeSettings we need to ensure that this restriction 10162 // state propagation is persisted 10163 mSettings.writeAllUsersPackageRestrictionsLPr(); 10164 } 10165 // can downgrade to reader here 10166 if (writeSettings) { 10167 mSettings.writeLPr(); 10168 } 10169 } 10170 return true; 10171 } 10172 10173 private boolean deleteInstalledPackageLI(PackageSetting ps, 10174 boolean deleteCodeAndResources, int flags, 10175 int[] allUserHandles, boolean[] perUserInstalled, 10176 PackageRemovedInfo outInfo, boolean writeSettings) { 10177 if (outInfo != null) { 10178 outInfo.uid = ps.appId; 10179 } 10180 10181 // Delete package data from internal structures and also remove data if flag is set 10182 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10183 10184 // Delete application code and resources 10185 if (deleteCodeAndResources && (outInfo != null)) { 10186 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10187 ps.resourcePathString, ps.nativeLibraryPathString); 10188 } 10189 return true; 10190 } 10191 10192 /* 10193 * This method handles package deletion in general 10194 */ 10195 private boolean deletePackageLI(String packageName, UserHandle user, 10196 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10197 int flags, PackageRemovedInfo outInfo, 10198 boolean writeSettings) { 10199 if (packageName == null) { 10200 Slog.w(TAG, "Attempt to delete null packageName."); 10201 return false; 10202 } 10203 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10204 PackageSetting ps; 10205 boolean dataOnly = false; 10206 int removeUser = -1; 10207 int appId = -1; 10208 synchronized (mPackages) { 10209 ps = mSettings.mPackages.get(packageName); 10210 if (ps == null) { 10211 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10212 return false; 10213 } 10214 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10215 && user.getIdentifier() != UserHandle.USER_ALL) { 10216 // The caller is asking that the package only be deleted for a single 10217 // user. To do this, we just mark its uninstalled state and delete 10218 // its data. If this is a system app, we only allow this to happen if 10219 // they have set the special DELETE_SYSTEM_APP which requests different 10220 // semantics than normal for uninstalling system apps. 10221 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10222 ps.setUserState(user.getIdentifier(), 10223 COMPONENT_ENABLED_STATE_DEFAULT, 10224 false, //installed 10225 true, //stopped 10226 true, //notLaunched 10227 false, //blocked 10228 null, null, null); 10229 if (!isSystemApp(ps)) { 10230 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10231 // Other user still have this package installed, so all 10232 // we need to do is clear this user's data and save that 10233 // it is uninstalled. 10234 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10235 removeUser = user.getIdentifier(); 10236 appId = ps.appId; 10237 mSettings.writePackageRestrictionsLPr(removeUser); 10238 } else { 10239 // We need to set it back to 'installed' so the uninstall 10240 // broadcasts will be sent correctly. 10241 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10242 ps.setInstalled(true, user.getIdentifier()); 10243 } 10244 } else { 10245 // This is a system app, so we assume that the 10246 // other users still have this package installed, so all 10247 // we need to do is clear this user's data and save that 10248 // it is uninstalled. 10249 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10250 removeUser = user.getIdentifier(); 10251 appId = ps.appId; 10252 mSettings.writePackageRestrictionsLPr(removeUser); 10253 } 10254 } 10255 } 10256 10257 if (removeUser >= 0) { 10258 // From above, we determined that we are deleting this only 10259 // for a single user. Continue the work here. 10260 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10261 if (outInfo != null) { 10262 outInfo.removedPackage = packageName; 10263 outInfo.removedAppId = appId; 10264 outInfo.removedUsers = new int[] {removeUser}; 10265 } 10266 mInstaller.clearUserData(packageName, removeUser); 10267 removeKeystoreDataIfNeeded(removeUser, appId); 10268 schedulePackageCleaning(packageName, removeUser, false); 10269 return true; 10270 } 10271 10272 if (dataOnly) { 10273 // Delete application data first 10274 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10275 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10276 return true; 10277 } 10278 10279 boolean ret = false; 10280 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10281 if (isSystemApp(ps)) { 10282 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10283 // When an updated system application is deleted we delete the existing resources as well and 10284 // fall back to existing code in system partition 10285 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10286 flags, outInfo, writeSettings); 10287 } else { 10288 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10289 // Kill application pre-emptively especially for apps on sd. 10290 killApplication(packageName, ps.appId, "uninstall pkg"); 10291 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10292 allUserHandles, perUserInstalled, 10293 outInfo, writeSettings); 10294 } 10295 10296 return ret; 10297 } 10298 10299 private final class ClearStorageConnection implements ServiceConnection { 10300 IMediaContainerService mContainerService; 10301 10302 @Override 10303 public void onServiceConnected(ComponentName name, IBinder service) { 10304 synchronized (this) { 10305 mContainerService = IMediaContainerService.Stub.asInterface(service); 10306 notifyAll(); 10307 } 10308 } 10309 10310 @Override 10311 public void onServiceDisconnected(ComponentName name) { 10312 } 10313 } 10314 10315 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10316 final boolean mounted; 10317 if (Environment.isExternalStorageEmulated()) { 10318 mounted = true; 10319 } else { 10320 final String status = Environment.getExternalStorageState(); 10321 10322 mounted = status.equals(Environment.MEDIA_MOUNTED) 10323 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10324 } 10325 10326 if (!mounted) { 10327 return; 10328 } 10329 10330 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10331 int[] users; 10332 if (userId == UserHandle.USER_ALL) { 10333 users = sUserManager.getUserIds(); 10334 } else { 10335 users = new int[] { userId }; 10336 } 10337 final ClearStorageConnection conn = new ClearStorageConnection(); 10338 if (mContext.bindServiceAsUser( 10339 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10340 try { 10341 for (int curUser : users) { 10342 long timeout = SystemClock.uptimeMillis() + 5000; 10343 synchronized (conn) { 10344 long now = SystemClock.uptimeMillis(); 10345 while (conn.mContainerService == null && now < timeout) { 10346 try { 10347 conn.wait(timeout - now); 10348 } catch (InterruptedException e) { 10349 } 10350 } 10351 } 10352 if (conn.mContainerService == null) { 10353 return; 10354 } 10355 10356 final UserEnvironment userEnv = new UserEnvironment(curUser); 10357 clearDirectory(conn.mContainerService, 10358 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10359 if (allData) { 10360 clearDirectory(conn.mContainerService, 10361 userEnv.buildExternalStorageAppDataDirs(packageName)); 10362 clearDirectory(conn.mContainerService, 10363 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10364 } 10365 } 10366 } finally { 10367 mContext.unbindService(conn); 10368 } 10369 } 10370 } 10371 10372 @Override 10373 public void clearApplicationUserData(final String packageName, 10374 final IPackageDataObserver observer, final int userId) { 10375 mContext.enforceCallingOrSelfPermission( 10376 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10377 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10378 // Queue up an async operation since the package deletion may take a little while. 10379 mHandler.post(new Runnable() { 10380 public void run() { 10381 mHandler.removeCallbacks(this); 10382 final boolean succeeded; 10383 synchronized (mInstallLock) { 10384 succeeded = clearApplicationUserDataLI(packageName, userId); 10385 } 10386 clearExternalStorageDataSync(packageName, userId, true); 10387 if (succeeded) { 10388 // invoke DeviceStorageMonitor's update method to clear any notifications 10389 DeviceStorageMonitorInternal 10390 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10391 if (dsm != null) { 10392 dsm.checkMemory(); 10393 } 10394 } 10395 if(observer != null) { 10396 try { 10397 observer.onRemoveCompleted(packageName, succeeded); 10398 } catch (RemoteException e) { 10399 Log.i(TAG, "Observer no longer exists."); 10400 } 10401 } //end if observer 10402 } //end run 10403 }); 10404 } 10405 10406 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10407 if (packageName == null) { 10408 Slog.w(TAG, "Attempt to delete null packageName."); 10409 return false; 10410 } 10411 PackageParser.Package p; 10412 boolean dataOnly = false; 10413 final int appId; 10414 synchronized (mPackages) { 10415 p = mPackages.get(packageName); 10416 if (p == null) { 10417 dataOnly = true; 10418 PackageSetting ps = mSettings.mPackages.get(packageName); 10419 if ((ps == null) || (ps.pkg == null)) { 10420 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10421 return false; 10422 } 10423 p = ps.pkg; 10424 } 10425 if (!dataOnly) { 10426 // need to check this only for fully installed applications 10427 if (p == null) { 10428 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10429 return false; 10430 } 10431 final ApplicationInfo applicationInfo = p.applicationInfo; 10432 if (applicationInfo == null) { 10433 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10434 return false; 10435 } 10436 } 10437 if (p != null && p.applicationInfo != null) { 10438 appId = p.applicationInfo.uid; 10439 } else { 10440 appId = -1; 10441 } 10442 } 10443 int retCode = mInstaller.clearUserData(packageName, userId); 10444 if (retCode < 0) { 10445 Slog.w(TAG, "Couldn't remove cache files for package: " 10446 + packageName); 10447 return false; 10448 } 10449 removeKeystoreDataIfNeeded(userId, appId); 10450 return true; 10451 } 10452 10453 /** 10454 * Remove entries from the keystore daemon. Will only remove it if the 10455 * {@code appId} is valid. 10456 */ 10457 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10458 if (appId < 0) { 10459 return; 10460 } 10461 10462 final KeyStore keyStore = KeyStore.getInstance(); 10463 if (keyStore != null) { 10464 if (userId == UserHandle.USER_ALL) { 10465 for (final int individual : sUserManager.getUserIds()) { 10466 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10467 } 10468 } else { 10469 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10470 } 10471 } else { 10472 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10473 } 10474 } 10475 10476 public void deleteApplicationCacheFiles(final String packageName, 10477 final IPackageDataObserver observer) { 10478 mContext.enforceCallingOrSelfPermission( 10479 android.Manifest.permission.DELETE_CACHE_FILES, null); 10480 // Queue up an async operation since the package deletion may take a little while. 10481 final int userId = UserHandle.getCallingUserId(); 10482 mHandler.post(new Runnable() { 10483 public void run() { 10484 mHandler.removeCallbacks(this); 10485 final boolean succeded; 10486 synchronized (mInstallLock) { 10487 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10488 } 10489 clearExternalStorageDataSync(packageName, userId, false); 10490 if(observer != null) { 10491 try { 10492 observer.onRemoveCompleted(packageName, succeded); 10493 } catch (RemoteException e) { 10494 Log.i(TAG, "Observer no longer exists."); 10495 } 10496 } //end if observer 10497 } //end run 10498 }); 10499 } 10500 10501 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10502 if (packageName == null) { 10503 Slog.w(TAG, "Attempt to delete null packageName."); 10504 return false; 10505 } 10506 PackageParser.Package p; 10507 synchronized (mPackages) { 10508 p = mPackages.get(packageName); 10509 } 10510 if (p == null) { 10511 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10512 return false; 10513 } 10514 final ApplicationInfo applicationInfo = p.applicationInfo; 10515 if (applicationInfo == null) { 10516 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10517 return false; 10518 } 10519 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10520 if (retCode < 0) { 10521 Slog.w(TAG, "Couldn't remove cache files for package: " 10522 + packageName + " u" + userId); 10523 return false; 10524 } 10525 return true; 10526 } 10527 10528 public void getPackageSizeInfo(final String packageName, int userHandle, 10529 final IPackageStatsObserver observer) { 10530 mContext.enforceCallingOrSelfPermission( 10531 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10532 if (packageName == null) { 10533 throw new IllegalArgumentException("Attempt to get size of null packageName"); 10534 } 10535 10536 PackageStats stats = new PackageStats(packageName, userHandle); 10537 10538 /* 10539 * Queue up an async operation since the package measurement may take a 10540 * little while. 10541 */ 10542 Message msg = mHandler.obtainMessage(INIT_COPY); 10543 msg.obj = new MeasureParams(stats, observer); 10544 mHandler.sendMessage(msg); 10545 } 10546 10547 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10548 PackageStats pStats) { 10549 if (packageName == null) { 10550 Slog.w(TAG, "Attempt to get size of null packageName."); 10551 return false; 10552 } 10553 PackageParser.Package p; 10554 boolean dataOnly = false; 10555 String libDirPath = null; 10556 String asecPath = null; 10557 synchronized (mPackages) { 10558 p = mPackages.get(packageName); 10559 PackageSetting ps = mSettings.mPackages.get(packageName); 10560 if(p == null) { 10561 dataOnly = true; 10562 if((ps == null) || (ps.pkg == null)) { 10563 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10564 return false; 10565 } 10566 p = ps.pkg; 10567 } 10568 if (ps != null) { 10569 libDirPath = ps.nativeLibraryPathString; 10570 } 10571 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10572 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10573 if (secureContainerId != null) { 10574 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10575 } 10576 } 10577 } 10578 String publicSrcDir = null; 10579 if(!dataOnly) { 10580 final ApplicationInfo applicationInfo = p.applicationInfo; 10581 if (applicationInfo == null) { 10582 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10583 return false; 10584 } 10585 if (isForwardLocked(p)) { 10586 publicSrcDir = applicationInfo.publicSourceDir; 10587 } 10588 } 10589 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10590 publicSrcDir, asecPath, pStats); 10591 if (res < 0) { 10592 return false; 10593 } 10594 10595 // Fix-up for forward-locked applications in ASEC containers. 10596 if (!isExternal(p)) { 10597 pStats.codeSize += pStats.externalCodeSize; 10598 pStats.externalCodeSize = 0L; 10599 } 10600 10601 return true; 10602 } 10603 10604 10605 public void addPackageToPreferred(String packageName) { 10606 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10607 } 10608 10609 public void removePackageFromPreferred(String packageName) { 10610 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10611 } 10612 10613 public List<PackageInfo> getPreferredPackages(int flags) { 10614 return new ArrayList<PackageInfo>(); 10615 } 10616 10617 private int getUidTargetSdkVersionLockedLPr(int uid) { 10618 Object obj = mSettings.getUserIdLPr(uid); 10619 if (obj instanceof SharedUserSetting) { 10620 final SharedUserSetting sus = (SharedUserSetting) obj; 10621 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10622 final Iterator<PackageSetting> it = sus.packages.iterator(); 10623 while (it.hasNext()) { 10624 final PackageSetting ps = it.next(); 10625 if (ps.pkg != null) { 10626 int v = ps.pkg.applicationInfo.targetSdkVersion; 10627 if (v < vers) vers = v; 10628 } 10629 } 10630 return vers; 10631 } else if (obj instanceof PackageSetting) { 10632 final PackageSetting ps = (PackageSetting) obj; 10633 if (ps.pkg != null) { 10634 return ps.pkg.applicationInfo.targetSdkVersion; 10635 } 10636 } 10637 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10638 } 10639 10640 public void addPreferredActivity(IntentFilter filter, int match, 10641 ComponentName[] set, ComponentName activity, int userId) { 10642 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10643 } 10644 10645 private void addPreferredActivityInternal(IntentFilter filter, int match, 10646 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10647 // writer 10648 int callingUid = Binder.getCallingUid(); 10649 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10650 if (filter.countActions() == 0) { 10651 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10652 return; 10653 } 10654 synchronized (mPackages) { 10655 if (mContext.checkCallingOrSelfPermission( 10656 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10657 != PackageManager.PERMISSION_GRANTED) { 10658 if (getUidTargetSdkVersionLockedLPr(callingUid) 10659 < Build.VERSION_CODES.FROYO) { 10660 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10661 + callingUid); 10662 return; 10663 } 10664 mContext.enforceCallingOrSelfPermission( 10665 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10666 } 10667 10668 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10669 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10670 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10671 new PreferredActivity(filter, match, set, activity, always)); 10672 mSettings.writePackageRestrictionsLPr(userId); 10673 } 10674 } 10675 10676 public void replacePreferredActivity(IntentFilter filter, int match, 10677 ComponentName[] set, ComponentName activity) { 10678 if (filter.countActions() != 1) { 10679 throw new IllegalArgumentException( 10680 "replacePreferredActivity expects filter to have only 1 action."); 10681 } 10682 if (filter.countDataAuthorities() != 0 10683 || filter.countDataPaths() != 0 10684 || filter.countDataSchemes() > 1 10685 || filter.countDataTypes() != 0) { 10686 throw new IllegalArgumentException( 10687 "replacePreferredActivity expects filter to have no data authorities, " + 10688 "paths, or types; and at most one scheme."); 10689 } 10690 synchronized (mPackages) { 10691 if (mContext.checkCallingOrSelfPermission( 10692 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10693 != PackageManager.PERMISSION_GRANTED) { 10694 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10695 < Build.VERSION_CODES.FROYO) { 10696 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10697 + Binder.getCallingUid()); 10698 return; 10699 } 10700 mContext.enforceCallingOrSelfPermission( 10701 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10702 } 10703 10704 final int callingUserId = UserHandle.getCallingUserId(); 10705 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10706 if (pir != null) { 10707 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10708 if (filter.countDataSchemes() == 1) { 10709 Uri.Builder builder = new Uri.Builder(); 10710 builder.scheme(filter.getDataScheme(0)); 10711 intent.setData(builder.build()); 10712 } 10713 List<PreferredActivity> matches = pir.queryIntent( 10714 intent, null, true, callingUserId); 10715 if (DEBUG_PREFERRED) { 10716 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10717 } 10718 for (int i = 0; i < matches.size(); i++) { 10719 PreferredActivity pa = matches.get(i); 10720 if (DEBUG_PREFERRED) { 10721 Slog.i(TAG, "Removing preferred activity " 10722 + pa.mPref.mComponent + ":"); 10723 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10724 } 10725 pir.removeFilter(pa); 10726 } 10727 } 10728 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10729 } 10730 } 10731 10732 public void clearPackagePreferredActivities(String packageName) { 10733 final int uid = Binder.getCallingUid(); 10734 // writer 10735 synchronized (mPackages) { 10736 PackageParser.Package pkg = mPackages.get(packageName); 10737 if (pkg == null || pkg.applicationInfo.uid != uid) { 10738 if (mContext.checkCallingOrSelfPermission( 10739 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10740 != PackageManager.PERMISSION_GRANTED) { 10741 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10742 < Build.VERSION_CODES.FROYO) { 10743 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10744 + Binder.getCallingUid()); 10745 return; 10746 } 10747 mContext.enforceCallingOrSelfPermission( 10748 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10749 } 10750 } 10751 10752 int user = UserHandle.getCallingUserId(); 10753 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10754 mSettings.writePackageRestrictionsLPr(user); 10755 scheduleWriteSettingsLocked(); 10756 } 10757 } 10758 } 10759 10760 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10761 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10762 ArrayList<PreferredActivity> removed = null; 10763 boolean changed = false; 10764 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10765 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10766 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10767 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10768 continue; 10769 } 10770 Iterator<PreferredActivity> it = pir.filterIterator(); 10771 while (it.hasNext()) { 10772 PreferredActivity pa = it.next(); 10773 // Mark entry for removal only if it matches the package name 10774 // and the entry is of type "always". 10775 if (packageName == null || 10776 (pa.mPref.mComponent.getPackageName().equals(packageName) 10777 && pa.mPref.mAlways)) { 10778 if (removed == null) { 10779 removed = new ArrayList<PreferredActivity>(); 10780 } 10781 removed.add(pa); 10782 } 10783 } 10784 if (removed != null) { 10785 for (int j=0; j<removed.size(); j++) { 10786 PreferredActivity pa = removed.get(j); 10787 pir.removeFilter(pa); 10788 } 10789 changed = true; 10790 } 10791 } 10792 return changed; 10793 } 10794 10795 public void resetPreferredActivities(int userId) { 10796 mContext.enforceCallingOrSelfPermission( 10797 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10798 // writer 10799 synchronized (mPackages) { 10800 int user = UserHandle.getCallingUserId(); 10801 clearPackagePreferredActivitiesLPw(null, user); 10802 mSettings.readDefaultPreferredAppsLPw(this, user); 10803 mSettings.writePackageRestrictionsLPr(user); 10804 scheduleWriteSettingsLocked(); 10805 } 10806 } 10807 10808 public int getPreferredActivities(List<IntentFilter> outFilters, 10809 List<ComponentName> outActivities, String packageName) { 10810 10811 int num = 0; 10812 final int userId = UserHandle.getCallingUserId(); 10813 // reader 10814 synchronized (mPackages) { 10815 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10816 if (pir != null) { 10817 final Iterator<PreferredActivity> it = pir.filterIterator(); 10818 while (it.hasNext()) { 10819 final PreferredActivity pa = it.next(); 10820 if (packageName == null 10821 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10822 && pa.mPref.mAlways)) { 10823 if (outFilters != null) { 10824 outFilters.add(new IntentFilter(pa)); 10825 } 10826 if (outActivities != null) { 10827 outActivities.add(pa.mPref.mComponent); 10828 } 10829 } 10830 } 10831 } 10832 } 10833 10834 return num; 10835 } 10836 10837 @Override 10838 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 10839 int userId) { 10840 int callingUid = Binder.getCallingUid(); 10841 if (callingUid != Process.SYSTEM_UID) { 10842 throw new SecurityException( 10843 "addPersistentPreferredActivity can only be run by the system"); 10844 } 10845 if (filter.countActions() == 0) { 10846 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10847 return; 10848 } 10849 synchronized (mPackages) { 10850 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 10851 " :"); 10852 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10853 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 10854 new PersistentPreferredActivity(filter, activity)); 10855 mSettings.writePackageRestrictionsLPr(userId); 10856 } 10857 } 10858 10859 @Override 10860 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 10861 int callingUid = Binder.getCallingUid(); 10862 if (callingUid != Process.SYSTEM_UID) { 10863 throw new SecurityException( 10864 "clearPackagePersistentPreferredActivities can only be run by the system"); 10865 } 10866 ArrayList<PersistentPreferredActivity> removed = null; 10867 boolean changed = false; 10868 synchronized (mPackages) { 10869 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 10870 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 10871 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 10872 .valueAt(i); 10873 if (userId != thisUserId) { 10874 continue; 10875 } 10876 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 10877 while (it.hasNext()) { 10878 PersistentPreferredActivity ppa = it.next(); 10879 // Mark entry for removal only if it matches the package name. 10880 if (ppa.mComponent.getPackageName().equals(packageName)) { 10881 if (removed == null) { 10882 removed = new ArrayList<PersistentPreferredActivity>(); 10883 } 10884 removed.add(ppa); 10885 } 10886 } 10887 if (removed != null) { 10888 for (int j=0; j<removed.size(); j++) { 10889 PersistentPreferredActivity ppa = removed.get(j); 10890 ppir.removeFilter(ppa); 10891 } 10892 changed = true; 10893 } 10894 } 10895 10896 if (changed) { 10897 mSettings.writePackageRestrictionsLPr(userId); 10898 } 10899 } 10900 } 10901 10902 /* 10903 * For filters that are added with this method: 10904 * if an intent for the user whose id is userIdOrig matches the filter, then this intent can 10905 * also be resolved in the user whose id is userIdDest. 10906 */ 10907 @Override 10908 public void addForwardingIntentFilter(IntentFilter filter, int userIdOrig, int userIdDest) { 10909 int callingUid = Binder.getCallingUid(); 10910 if (callingUid != Process.SYSTEM_UID) { 10911 throw new SecurityException( 10912 "addForwardingIntentFilter can only be run by the system"); 10913 } 10914 if (filter.countActions() == 0) { 10915 Slog.w(TAG, "Cannot set a forwarding intent filter with no filter actions"); 10916 return; 10917 } 10918 synchronized (mPackages) { 10919 mSettings.editForwardingIntentResolverLPw(userIdOrig).addFilter( 10920 new ForwardingIntentFilter(filter, userIdDest)); 10921 mSettings.writePackageRestrictionsLPr(userIdOrig); 10922 } 10923 } 10924 10925 @Override 10926 public void clearForwardingIntentFilters(int userIdOrig) { 10927 int callingUid = Binder.getCallingUid(); 10928 if (callingUid != Process.SYSTEM_UID) { 10929 throw new SecurityException( 10930 "clearForwardingIntentFilter can only be run by the system"); 10931 } 10932 synchronized (mPackages) { 10933 ForwardingIntentResolver fir = mSettings.editForwardingIntentResolverLPw(userIdOrig); 10934 HashSet<ForwardingIntentFilter> set = 10935 new HashSet<ForwardingIntentFilter>(fir.filterSet()); 10936 for (ForwardingIntentFilter fif : set) { 10937 fir.removeFilter(fif); 10938 } 10939 mSettings.writePackageRestrictionsLPr(userIdOrig); 10940 } 10941 } 10942 10943 @Override 10944 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10945 Intent intent = new Intent(Intent.ACTION_MAIN); 10946 intent.addCategory(Intent.CATEGORY_HOME); 10947 10948 final int callingUserId = UserHandle.getCallingUserId(); 10949 List<ResolveInfo> list = queryIntentActivities(intent, null, 10950 PackageManager.GET_META_DATA, callingUserId); 10951 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10952 true, false, false, callingUserId); 10953 10954 allHomeCandidates.clear(); 10955 if (list != null) { 10956 for (ResolveInfo ri : list) { 10957 allHomeCandidates.add(ri); 10958 } 10959 } 10960 return (preferred == null || preferred.activityInfo == null) 10961 ? null 10962 : new ComponentName(preferred.activityInfo.packageName, 10963 preferred.activityInfo.name); 10964 } 10965 10966 @Override 10967 public void setApplicationEnabledSetting(String appPackageName, 10968 int newState, int flags, int userId, String callingPackage) { 10969 if (!sUserManager.exists(userId)) return; 10970 if (callingPackage == null) { 10971 callingPackage = Integer.toString(Binder.getCallingUid()); 10972 } 10973 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10974 } 10975 10976 @Override 10977 public void setComponentEnabledSetting(ComponentName componentName, 10978 int newState, int flags, int userId) { 10979 if (!sUserManager.exists(userId)) return; 10980 setEnabledSetting(componentName.getPackageName(), 10981 componentName.getClassName(), newState, flags, userId, null); 10982 } 10983 10984 private void setEnabledSetting(final String packageName, String className, int newState, 10985 final int flags, int userId, String callingPackage) { 10986 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10987 || newState == COMPONENT_ENABLED_STATE_ENABLED 10988 || newState == COMPONENT_ENABLED_STATE_DISABLED 10989 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10990 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10991 throw new IllegalArgumentException("Invalid new component state: " 10992 + newState); 10993 } 10994 PackageSetting pkgSetting; 10995 final int uid = Binder.getCallingUid(); 10996 final int permission = mContext.checkCallingOrSelfPermission( 10997 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10998 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10999 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11000 boolean sendNow = false; 11001 boolean isApp = (className == null); 11002 String componentName = isApp ? packageName : className; 11003 int packageUid = -1; 11004 ArrayList<String> components; 11005 11006 // writer 11007 synchronized (mPackages) { 11008 pkgSetting = mSettings.mPackages.get(packageName); 11009 if (pkgSetting == null) { 11010 if (className == null) { 11011 throw new IllegalArgumentException( 11012 "Unknown package: " + packageName); 11013 } 11014 throw new IllegalArgumentException( 11015 "Unknown component: " + packageName 11016 + "/" + className); 11017 } 11018 // Allow root and verify that userId is not being specified by a different user 11019 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11020 throw new SecurityException( 11021 "Permission Denial: attempt to change component state from pid=" 11022 + Binder.getCallingPid() 11023 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11024 } 11025 if (className == null) { 11026 // We're dealing with an application/package level state change 11027 if (pkgSetting.getEnabled(userId) == newState) { 11028 // Nothing to do 11029 return; 11030 } 11031 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11032 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11033 // Don't care about who enables an app. 11034 callingPackage = null; 11035 } 11036 pkgSetting.setEnabled(newState, userId, callingPackage); 11037 // pkgSetting.pkg.mSetEnabled = newState; 11038 } else { 11039 // We're dealing with a component level state change 11040 // First, verify that this is a valid class name. 11041 PackageParser.Package pkg = pkgSetting.pkg; 11042 if (pkg == null || !pkg.hasComponentClassName(className)) { 11043 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11044 throw new IllegalArgumentException("Component class " + className 11045 + " does not exist in " + packageName); 11046 } else { 11047 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11048 + className + " does not exist in " + packageName); 11049 } 11050 } 11051 switch (newState) { 11052 case COMPONENT_ENABLED_STATE_ENABLED: 11053 if (!pkgSetting.enableComponentLPw(className, userId)) { 11054 return; 11055 } 11056 break; 11057 case COMPONENT_ENABLED_STATE_DISABLED: 11058 if (!pkgSetting.disableComponentLPw(className, userId)) { 11059 return; 11060 } 11061 break; 11062 case COMPONENT_ENABLED_STATE_DEFAULT: 11063 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11064 return; 11065 } 11066 break; 11067 default: 11068 Slog.e(TAG, "Invalid new component state: " + newState); 11069 return; 11070 } 11071 } 11072 mSettings.writePackageRestrictionsLPr(userId); 11073 components = mPendingBroadcasts.get(userId, packageName); 11074 final boolean newPackage = components == null; 11075 if (newPackage) { 11076 components = new ArrayList<String>(); 11077 } 11078 if (!components.contains(componentName)) { 11079 components.add(componentName); 11080 } 11081 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11082 sendNow = true; 11083 // Purge entry from pending broadcast list if another one exists already 11084 // since we are sending one right away. 11085 mPendingBroadcasts.remove(userId, packageName); 11086 } else { 11087 if (newPackage) { 11088 mPendingBroadcasts.put(userId, packageName, components); 11089 } 11090 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11091 // Schedule a message 11092 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11093 } 11094 } 11095 } 11096 11097 long callingId = Binder.clearCallingIdentity(); 11098 try { 11099 if (sendNow) { 11100 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11101 sendPackageChangedBroadcast(packageName, 11102 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11103 } 11104 } finally { 11105 Binder.restoreCallingIdentity(callingId); 11106 } 11107 } 11108 11109 private void sendPackageChangedBroadcast(String packageName, 11110 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11111 if (DEBUG_INSTALL) 11112 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11113 + componentNames); 11114 Bundle extras = new Bundle(4); 11115 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11116 String nameList[] = new String[componentNames.size()]; 11117 componentNames.toArray(nameList); 11118 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11119 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11120 extras.putInt(Intent.EXTRA_UID, packageUid); 11121 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11122 new int[] {UserHandle.getUserId(packageUid)}); 11123 } 11124 11125 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11126 if (!sUserManager.exists(userId)) return; 11127 final int uid = Binder.getCallingUid(); 11128 final int permission = mContext.checkCallingOrSelfPermission( 11129 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11130 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11131 enforceCrossUserPermission(uid, userId, true, "stop package"); 11132 // writer 11133 synchronized (mPackages) { 11134 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11135 uid, userId)) { 11136 scheduleWritePackageRestrictionsLocked(userId); 11137 } 11138 } 11139 } 11140 11141 public String getInstallerPackageName(String packageName) { 11142 // reader 11143 synchronized (mPackages) { 11144 return mSettings.getInstallerPackageNameLPr(packageName); 11145 } 11146 } 11147 11148 @Override 11149 public int getApplicationEnabledSetting(String packageName, int userId) { 11150 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11151 int uid = Binder.getCallingUid(); 11152 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11153 // reader 11154 synchronized (mPackages) { 11155 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11156 } 11157 } 11158 11159 @Override 11160 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11161 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11162 int uid = Binder.getCallingUid(); 11163 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11164 // reader 11165 synchronized (mPackages) { 11166 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11167 } 11168 } 11169 11170 public void enterSafeMode() { 11171 enforceSystemOrRoot("Only the system can request entering safe mode"); 11172 11173 if (!mSystemReady) { 11174 mSafeMode = true; 11175 } 11176 } 11177 11178 public void systemReady() { 11179 mSystemReady = true; 11180 11181 // Read the compatibilty setting when the system is ready. 11182 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11183 mContext.getContentResolver(), 11184 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11185 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11186 if (DEBUG_SETTINGS) { 11187 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11188 } 11189 11190 synchronized (mPackages) { 11191 // Verify that all of the preferred activity components actually 11192 // exist. It is possible for applications to be updated and at 11193 // that point remove a previously declared activity component that 11194 // had been set as a preferred activity. We try to clean this up 11195 // the next time we encounter that preferred activity, but it is 11196 // possible for the user flow to never be able to return to that 11197 // situation so here we do a sanity check to make sure we haven't 11198 // left any junk around. 11199 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11200 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11201 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11202 removed.clear(); 11203 for (PreferredActivity pa : pir.filterSet()) { 11204 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11205 removed.add(pa); 11206 } 11207 } 11208 if (removed.size() > 0) { 11209 for (int j=0; j<removed.size(); j++) { 11210 PreferredActivity pa = removed.get(i); 11211 Slog.w(TAG, "Removing dangling preferred activity: " 11212 + pa.mPref.mComponent); 11213 pir.removeFilter(pa); 11214 } 11215 mSettings.writePackageRestrictionsLPr( 11216 mSettings.mPreferredActivities.keyAt(i)); 11217 } 11218 } 11219 } 11220 sUserManager.systemReady(); 11221 } 11222 11223 public boolean isSafeMode() { 11224 return mSafeMode; 11225 } 11226 11227 public boolean hasSystemUidErrors() { 11228 return mHasSystemUidErrors; 11229 } 11230 11231 static String arrayToString(int[] array) { 11232 StringBuffer buf = new StringBuffer(128); 11233 buf.append('['); 11234 if (array != null) { 11235 for (int i=0; i<array.length; i++) { 11236 if (i > 0) buf.append(", "); 11237 buf.append(array[i]); 11238 } 11239 } 11240 buf.append(']'); 11241 return buf.toString(); 11242 } 11243 11244 static class DumpState { 11245 public static final int DUMP_LIBS = 1 << 0; 11246 11247 public static final int DUMP_FEATURES = 1 << 1; 11248 11249 public static final int DUMP_RESOLVERS = 1 << 2; 11250 11251 public static final int DUMP_PERMISSIONS = 1 << 3; 11252 11253 public static final int DUMP_PACKAGES = 1 << 4; 11254 11255 public static final int DUMP_SHARED_USERS = 1 << 5; 11256 11257 public static final int DUMP_MESSAGES = 1 << 6; 11258 11259 public static final int DUMP_PROVIDERS = 1 << 7; 11260 11261 public static final int DUMP_VERIFIERS = 1 << 8; 11262 11263 public static final int DUMP_PREFERRED = 1 << 9; 11264 11265 public static final int DUMP_PREFERRED_XML = 1 << 10; 11266 11267 public static final int DUMP_KEYSETS = 1 << 11; 11268 11269 public static final int DUMP_VERSION = 1 << 12; 11270 11271 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11272 11273 private int mTypes; 11274 11275 private int mOptions; 11276 11277 private boolean mTitlePrinted; 11278 11279 private SharedUserSetting mSharedUser; 11280 11281 public boolean isDumping(int type) { 11282 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11283 return true; 11284 } 11285 11286 return (mTypes & type) != 0; 11287 } 11288 11289 public void setDump(int type) { 11290 mTypes |= type; 11291 } 11292 11293 public boolean isOptionEnabled(int option) { 11294 return (mOptions & option) != 0; 11295 } 11296 11297 public void setOptionEnabled(int option) { 11298 mOptions |= option; 11299 } 11300 11301 public boolean onTitlePrinted() { 11302 final boolean printed = mTitlePrinted; 11303 mTitlePrinted = true; 11304 return printed; 11305 } 11306 11307 public boolean getTitlePrinted() { 11308 return mTitlePrinted; 11309 } 11310 11311 public void setTitlePrinted(boolean enabled) { 11312 mTitlePrinted = enabled; 11313 } 11314 11315 public SharedUserSetting getSharedUser() { 11316 return mSharedUser; 11317 } 11318 11319 public void setSharedUser(SharedUserSetting user) { 11320 mSharedUser = user; 11321 } 11322 } 11323 11324 @Override 11325 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11326 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11327 != PackageManager.PERMISSION_GRANTED) { 11328 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11329 + Binder.getCallingPid() 11330 + ", uid=" + Binder.getCallingUid() 11331 + " without permission " 11332 + android.Manifest.permission.DUMP); 11333 return; 11334 } 11335 11336 DumpState dumpState = new DumpState(); 11337 boolean fullPreferred = false; 11338 boolean checkin = false; 11339 11340 String packageName = null; 11341 11342 int opti = 0; 11343 while (opti < args.length) { 11344 String opt = args[opti]; 11345 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11346 break; 11347 } 11348 opti++; 11349 if ("-a".equals(opt)) { 11350 // Right now we only know how to print all. 11351 } else if ("-h".equals(opt)) { 11352 pw.println("Package manager dump options:"); 11353 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11354 pw.println(" --checkin: dump for a checkin"); 11355 pw.println(" -f: print details of intent filters"); 11356 pw.println(" -h: print this help"); 11357 pw.println(" cmd may be one of:"); 11358 pw.println(" l[ibraries]: list known shared libraries"); 11359 pw.println(" f[ibraries]: list device features"); 11360 pw.println(" r[esolvers]: dump intent resolvers"); 11361 pw.println(" perm[issions]: dump permissions"); 11362 pw.println(" pref[erred]: print preferred package settings"); 11363 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11364 pw.println(" prov[iders]: dump content providers"); 11365 pw.println(" p[ackages]: dump installed packages"); 11366 pw.println(" s[hared-users]: dump shared user IDs"); 11367 pw.println(" m[essages]: print collected runtime messages"); 11368 pw.println(" v[erifiers]: print package verifier info"); 11369 pw.println(" version: print database version info"); 11370 pw.println(" <package.name>: info about given package"); 11371 pw.println(" k[eysets]: print known keysets"); 11372 return; 11373 } else if ("--checkin".equals(opt)) { 11374 checkin = true; 11375 } else if ("-f".equals(opt)) { 11376 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11377 } else { 11378 pw.println("Unknown argument: " + opt + "; use -h for help"); 11379 } 11380 } 11381 11382 // Is the caller requesting to dump a particular piece of data? 11383 if (opti < args.length) { 11384 String cmd = args[opti]; 11385 opti++; 11386 // Is this a package name? 11387 if ("android".equals(cmd) || cmd.contains(".")) { 11388 packageName = cmd; 11389 // When dumping a single package, we always dump all of its 11390 // filter information since the amount of data will be reasonable. 11391 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11392 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11393 dumpState.setDump(DumpState.DUMP_LIBS); 11394 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11395 dumpState.setDump(DumpState.DUMP_FEATURES); 11396 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11397 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11398 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11399 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11400 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11401 dumpState.setDump(DumpState.DUMP_PREFERRED); 11402 } else if ("preferred-xml".equals(cmd)) { 11403 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 11404 if (opti < args.length && "--full".equals(args[opti])) { 11405 fullPreferred = true; 11406 opti++; 11407 } 11408 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 11409 dumpState.setDump(DumpState.DUMP_PACKAGES); 11410 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 11411 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 11412 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 11413 dumpState.setDump(DumpState.DUMP_PROVIDERS); 11414 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 11415 dumpState.setDump(DumpState.DUMP_MESSAGES); 11416 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 11417 dumpState.setDump(DumpState.DUMP_VERIFIERS); 11418 } else if ("version".equals(cmd)) { 11419 dumpState.setDump(DumpState.DUMP_VERSION); 11420 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 11421 dumpState.setDump(DumpState.DUMP_KEYSETS); 11422 } 11423 } 11424 11425 if (checkin) { 11426 pw.println("vers,1"); 11427 } 11428 11429 // reader 11430 synchronized (mPackages) { 11431 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 11432 if (!checkin) { 11433 if (dumpState.onTitlePrinted()) 11434 pw.println(); 11435 pw.println("Database versions:"); 11436 pw.print(" SDK Version:"); 11437 pw.print(" internal="); 11438 pw.print(mSettings.mInternalSdkPlatform); 11439 pw.print(" external="); 11440 pw.println(mSettings.mExternalSdkPlatform); 11441 pw.print(" DB Version:"); 11442 pw.print(" internal="); 11443 pw.print(mSettings.mInternalDatabaseVersion); 11444 pw.print(" external="); 11445 pw.println(mSettings.mExternalDatabaseVersion); 11446 } 11447 } 11448 11449 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 11450 if (!checkin) { 11451 if (dumpState.onTitlePrinted()) 11452 pw.println(); 11453 pw.println("Verifiers:"); 11454 pw.print(" Required: "); 11455 pw.print(mRequiredVerifierPackage); 11456 pw.print(" (uid="); 11457 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 11458 pw.println(")"); 11459 } else if (mRequiredVerifierPackage != null) { 11460 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 11461 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 11462 } 11463 } 11464 11465 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 11466 boolean printedHeader = false; 11467 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 11468 while (it.hasNext()) { 11469 String name = it.next(); 11470 SharedLibraryEntry ent = mSharedLibraries.get(name); 11471 if (!checkin) { 11472 if (!printedHeader) { 11473 if (dumpState.onTitlePrinted()) 11474 pw.println(); 11475 pw.println("Libraries:"); 11476 printedHeader = true; 11477 } 11478 pw.print(" "); 11479 } else { 11480 pw.print("lib,"); 11481 } 11482 pw.print(name); 11483 if (!checkin) { 11484 pw.print(" -> "); 11485 } 11486 if (ent.path != null) { 11487 if (!checkin) { 11488 pw.print("(jar) "); 11489 pw.print(ent.path); 11490 } else { 11491 pw.print(",jar,"); 11492 pw.print(ent.path); 11493 } 11494 } else { 11495 if (!checkin) { 11496 pw.print("(apk) "); 11497 pw.print(ent.apk); 11498 } else { 11499 pw.print(",apk,"); 11500 pw.print(ent.apk); 11501 } 11502 } 11503 pw.println(); 11504 } 11505 } 11506 11507 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11508 if (dumpState.onTitlePrinted()) 11509 pw.println(); 11510 if (!checkin) { 11511 pw.println("Features:"); 11512 } 11513 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11514 while (it.hasNext()) { 11515 String name = it.next(); 11516 if (!checkin) { 11517 pw.print(" "); 11518 } else { 11519 pw.print("feat,"); 11520 } 11521 pw.println(name); 11522 } 11523 } 11524 11525 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 11526 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 11527 : "Activity Resolver Table:", " ", packageName, 11528 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11529 dumpState.setTitlePrinted(true); 11530 } 11531 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 11532 : "Receiver Resolver Table:", " ", packageName, 11533 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11534 dumpState.setTitlePrinted(true); 11535 } 11536 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11537 : "Service Resolver Table:", " ", packageName, 11538 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11539 dumpState.setTitlePrinted(true); 11540 } 11541 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11542 : "Provider Resolver Table:", " ", packageName, 11543 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11544 dumpState.setTitlePrinted(true); 11545 } 11546 } 11547 11548 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11549 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11550 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11551 int user = mSettings.mPreferredActivities.keyAt(i); 11552 if (pir.dump(pw, 11553 dumpState.getTitlePrinted() 11554 ? "\nPreferred Activities User " + user + ":" 11555 : "Preferred Activities User " + user + ":", " ", 11556 packageName, true)) { 11557 dumpState.setTitlePrinted(true); 11558 } 11559 } 11560 } 11561 11562 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11563 pw.flush(); 11564 FileOutputStream fout = new FileOutputStream(fd); 11565 BufferedOutputStream str = new BufferedOutputStream(fout); 11566 XmlSerializer serializer = new FastXmlSerializer(); 11567 try { 11568 serializer.setOutput(str, "utf-8"); 11569 serializer.startDocument(null, true); 11570 serializer.setFeature( 11571 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11572 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11573 serializer.endDocument(); 11574 serializer.flush(); 11575 } catch (IllegalArgumentException e) { 11576 pw.println("Failed writing: " + e); 11577 } catch (IllegalStateException e) { 11578 pw.println("Failed writing: " + e); 11579 } catch (IOException e) { 11580 pw.println("Failed writing: " + e); 11581 } 11582 } 11583 11584 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11585 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11586 } 11587 11588 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11589 boolean printedSomething = false; 11590 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11591 if (packageName != null && !packageName.equals(p.info.packageName)) { 11592 continue; 11593 } 11594 if (!printedSomething) { 11595 if (dumpState.onTitlePrinted()) 11596 pw.println(); 11597 pw.println("Registered ContentProviders:"); 11598 printedSomething = true; 11599 } 11600 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11601 pw.print(" "); pw.println(p.toString()); 11602 } 11603 printedSomething = false; 11604 for (Map.Entry<String, PackageParser.Provider> entry : 11605 mProvidersByAuthority.entrySet()) { 11606 PackageParser.Provider p = entry.getValue(); 11607 if (packageName != null && !packageName.equals(p.info.packageName)) { 11608 continue; 11609 } 11610 if (!printedSomething) { 11611 if (dumpState.onTitlePrinted()) 11612 pw.println(); 11613 pw.println("ContentProvider Authorities:"); 11614 printedSomething = true; 11615 } 11616 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11617 pw.print(" "); pw.println(p.toString()); 11618 if (p.info != null && p.info.applicationInfo != null) { 11619 final String appInfo = p.info.applicationInfo.toString(); 11620 pw.print(" applicationInfo="); pw.println(appInfo); 11621 } 11622 } 11623 } 11624 11625 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11626 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11627 } 11628 11629 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11630 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11631 } 11632 11633 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11634 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11635 } 11636 11637 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11638 if (dumpState.onTitlePrinted()) 11639 pw.println(); 11640 mSettings.dumpReadMessagesLPr(pw, dumpState); 11641 11642 pw.println(); 11643 pw.println("Package warning messages:"); 11644 final File fname = getSettingsProblemFile(); 11645 FileInputStream in = null; 11646 try { 11647 in = new FileInputStream(fname); 11648 final int avail = in.available(); 11649 final byte[] data = new byte[avail]; 11650 in.read(data); 11651 pw.print(new String(data)); 11652 } catch (FileNotFoundException e) { 11653 } catch (IOException e) { 11654 } finally { 11655 if (in != null) { 11656 try { 11657 in.close(); 11658 } catch (IOException e) { 11659 } 11660 } 11661 } 11662 } 11663 } 11664 } 11665 11666 // ------- apps on sdcard specific code ------- 11667 static final boolean DEBUG_SD_INSTALL = false; 11668 11669 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11670 11671 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11672 11673 private boolean mMediaMounted = false; 11674 11675 private String getEncryptKey() { 11676 try { 11677 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11678 SD_ENCRYPTION_KEYSTORE_NAME); 11679 if (sdEncKey == null) { 11680 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11681 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11682 if (sdEncKey == null) { 11683 Slog.e(TAG, "Failed to create encryption keys"); 11684 return null; 11685 } 11686 } 11687 return sdEncKey; 11688 } catch (NoSuchAlgorithmException nsae) { 11689 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11690 return null; 11691 } catch (IOException ioe) { 11692 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11693 return null; 11694 } 11695 11696 } 11697 11698 /* package */static String getTempContainerId() { 11699 int tmpIdx = 1; 11700 String list[] = PackageHelper.getSecureContainerList(); 11701 if (list != null) { 11702 for (final String name : list) { 11703 // Ignore null and non-temporary container entries 11704 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11705 continue; 11706 } 11707 11708 String subStr = name.substring(mTempContainerPrefix.length()); 11709 try { 11710 int cid = Integer.parseInt(subStr); 11711 if (cid >= tmpIdx) { 11712 tmpIdx = cid + 1; 11713 } 11714 } catch (NumberFormatException e) { 11715 } 11716 } 11717 } 11718 return mTempContainerPrefix + tmpIdx; 11719 } 11720 11721 /* 11722 * Update media status on PackageManager. 11723 */ 11724 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11725 int callingUid = Binder.getCallingUid(); 11726 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11727 throw new SecurityException("Media status can only be updated by the system"); 11728 } 11729 // reader; this apparently protects mMediaMounted, but should probably 11730 // be a different lock in that case. 11731 synchronized (mPackages) { 11732 Log.i(TAG, "Updating external media status from " 11733 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11734 + (mediaStatus ? "mounted" : "unmounted")); 11735 if (DEBUG_SD_INSTALL) 11736 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11737 + ", mMediaMounted=" + mMediaMounted); 11738 if (mediaStatus == mMediaMounted) { 11739 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11740 : 0, -1); 11741 mHandler.sendMessage(msg); 11742 return; 11743 } 11744 mMediaMounted = mediaStatus; 11745 } 11746 // Queue up an async operation since the package installation may take a 11747 // little while. 11748 mHandler.post(new Runnable() { 11749 public void run() { 11750 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11751 } 11752 }); 11753 } 11754 11755 /** 11756 * Called by MountService when the initial ASECs to scan are available. 11757 * Should block until all the ASEC containers are finished being scanned. 11758 */ 11759 public void scanAvailableAsecs() { 11760 updateExternalMediaStatusInner(true, false, false); 11761 if (mShouldRestoreconData) { 11762 SELinuxMMAC.setRestoreconDone(); 11763 mShouldRestoreconData = false; 11764 } 11765 } 11766 11767 /* 11768 * Collect information of applications on external media, map them against 11769 * existing containers and update information based on current mount status. 11770 * Please note that we always have to report status if reportStatus has been 11771 * set to true especially when unloading packages. 11772 */ 11773 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11774 boolean externalStorage) { 11775 // Collection of uids 11776 int uidArr[] = null; 11777 // Collection of stale containers 11778 HashSet<String> removeCids = new HashSet<String>(); 11779 // Collection of packages on external media with valid containers. 11780 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11781 // Get list of secure containers. 11782 final String list[] = PackageHelper.getSecureContainerList(); 11783 if (list == null || list.length == 0) { 11784 Log.i(TAG, "No secure containers on sdcard"); 11785 } else { 11786 // Process list of secure containers and categorize them 11787 // as active or stale based on their package internal state. 11788 int uidList[] = new int[list.length]; 11789 int num = 0; 11790 // reader 11791 synchronized (mPackages) { 11792 for (String cid : list) { 11793 if (DEBUG_SD_INSTALL) 11794 Log.i(TAG, "Processing container " + cid); 11795 String pkgName = getAsecPackageName(cid); 11796 if (pkgName == null) { 11797 if (DEBUG_SD_INSTALL) 11798 Log.i(TAG, "Container : " + cid + " stale"); 11799 removeCids.add(cid); 11800 continue; 11801 } 11802 if (DEBUG_SD_INSTALL) 11803 Log.i(TAG, "Looking for pkg : " + pkgName); 11804 11805 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11806 if (ps == null) { 11807 Log.i(TAG, "Deleting container with no matching settings " + cid); 11808 removeCids.add(cid); 11809 continue; 11810 } 11811 11812 /* 11813 * Skip packages that are not external if we're unmounting 11814 * external storage. 11815 */ 11816 if (externalStorage && !isMounted && !isExternal(ps)) { 11817 continue; 11818 } 11819 11820 final AsecInstallArgs args = new AsecInstallArgs(cid, isForwardLocked(ps)); 11821 // The package status is changed only if the code path 11822 // matches between settings and the container id. 11823 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11824 if (DEBUG_SD_INSTALL) { 11825 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11826 + " at code path: " + ps.codePathString); 11827 } 11828 11829 // We do have a valid package installed on sdcard 11830 processCids.put(args, ps.codePathString); 11831 final int uid = ps.appId; 11832 if (uid != -1) { 11833 uidList[num++] = uid; 11834 } 11835 } else { 11836 Log.i(TAG, "Deleting stale container for " + cid); 11837 removeCids.add(cid); 11838 } 11839 } 11840 } 11841 11842 if (num > 0) { 11843 // Sort uid list 11844 Arrays.sort(uidList, 0, num); 11845 // Throw away duplicates 11846 uidArr = new int[num]; 11847 uidArr[0] = uidList[0]; 11848 int di = 0; 11849 for (int i = 1; i < num; i++) { 11850 if (uidList[i - 1] != uidList[i]) { 11851 uidArr[di++] = uidList[i]; 11852 } 11853 } 11854 } 11855 } 11856 // Process packages with valid entries. 11857 if (isMounted) { 11858 if (DEBUG_SD_INSTALL) 11859 Log.i(TAG, "Loading packages"); 11860 loadMediaPackages(processCids, uidArr, removeCids); 11861 startCleaningPackages(); 11862 } else { 11863 if (DEBUG_SD_INSTALL) 11864 Log.i(TAG, "Unloading packages"); 11865 unloadMediaPackages(processCids, uidArr, reportStatus); 11866 } 11867 } 11868 11869 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11870 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11871 int size = pkgList.size(); 11872 if (size > 0) { 11873 // Send broadcasts here 11874 Bundle extras = new Bundle(); 11875 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11876 .toArray(new String[size])); 11877 if (uidArr != null) { 11878 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11879 } 11880 if (replacing) { 11881 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11882 } 11883 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11884 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11885 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11886 } 11887 } 11888 11889 /* 11890 * Look at potentially valid container ids from processCids If package 11891 * information doesn't match the one on record or package scanning fails, 11892 * the cid is added to list of removeCids. We currently don't delete stale 11893 * containers. 11894 */ 11895 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11896 HashSet<String> removeCids) { 11897 ArrayList<String> pkgList = new ArrayList<String>(); 11898 Set<AsecInstallArgs> keys = processCids.keySet(); 11899 boolean doGc = false; 11900 for (AsecInstallArgs args : keys) { 11901 String codePath = processCids.get(args); 11902 if (DEBUG_SD_INSTALL) 11903 Log.i(TAG, "Loading container : " + args.cid); 11904 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11905 try { 11906 // Make sure there are no container errors first. 11907 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11908 Slog.e(TAG, "Failed to mount cid : " + args.cid 11909 + " when installing from sdcard"); 11910 continue; 11911 } 11912 // Check code path here. 11913 if (codePath == null || !codePath.equals(args.getCodePath())) { 11914 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11915 + " does not match one in settings " + codePath); 11916 continue; 11917 } 11918 // Parse package 11919 int parseFlags = mDefParseFlags; 11920 if (args.isExternal()) { 11921 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11922 } 11923 if (args.isFwdLocked()) { 11924 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11925 } 11926 11927 doGc = true; 11928 synchronized (mInstallLock) { 11929 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11930 0, 0, null); 11931 // Scan the package 11932 if (pkg != null) { 11933 /* 11934 * TODO why is the lock being held? doPostInstall is 11935 * called in other places without the lock. This needs 11936 * to be straightened out. 11937 */ 11938 // writer 11939 synchronized (mPackages) { 11940 retCode = PackageManager.INSTALL_SUCCEEDED; 11941 pkgList.add(pkg.packageName); 11942 // Post process args 11943 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11944 pkg.applicationInfo.uid); 11945 } 11946 } else { 11947 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11948 } 11949 } 11950 11951 } finally { 11952 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11953 // Don't destroy container here. Wait till gc clears things 11954 // up. 11955 removeCids.add(args.cid); 11956 } 11957 } 11958 } 11959 // writer 11960 synchronized (mPackages) { 11961 // If the platform SDK has changed since the last time we booted, 11962 // we need to re-grant app permission to catch any new ones that 11963 // appear. This is really a hack, and means that apps can in some 11964 // cases get permissions that the user didn't initially explicitly 11965 // allow... it would be nice to have some better way to handle 11966 // this situation. 11967 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11968 if (regrantPermissions) 11969 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11970 + mSdkVersion + "; regranting permissions for external storage"); 11971 mSettings.mExternalSdkPlatform = mSdkVersion; 11972 11973 // Make sure group IDs have been assigned, and any permission 11974 // changes in other apps are accounted for 11975 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11976 | (regrantPermissions 11977 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11978 : 0)); 11979 11980 mSettings.updateExternalDatabaseVersion(); 11981 11982 // can downgrade to reader 11983 // Persist settings 11984 mSettings.writeLPr(); 11985 } 11986 // Send a broadcast to let everyone know we are done processing 11987 if (pkgList.size() > 0) { 11988 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11989 } 11990 // Force gc to avoid any stale parser references that we might have. 11991 if (doGc) { 11992 Runtime.getRuntime().gc(); 11993 } 11994 // List stale containers and destroy stale temporary containers. 11995 if (removeCids != null) { 11996 for (String cid : removeCids) { 11997 if (cid.startsWith(mTempContainerPrefix)) { 11998 Log.i(TAG, "Destroying stale temporary container " + cid); 11999 PackageHelper.destroySdDir(cid); 12000 } else { 12001 Log.w(TAG, "Container " + cid + " is stale"); 12002 } 12003 } 12004 } 12005 } 12006 12007 /* 12008 * Utility method to unload a list of specified containers 12009 */ 12010 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12011 // Just unmount all valid containers. 12012 for (AsecInstallArgs arg : cidArgs) { 12013 synchronized (mInstallLock) { 12014 arg.doPostDeleteLI(false); 12015 } 12016 } 12017 } 12018 12019 /* 12020 * Unload packages mounted on external media. This involves deleting package 12021 * data from internal structures, sending broadcasts about diabled packages, 12022 * gc'ing to free up references, unmounting all secure containers 12023 * corresponding to packages on external media, and posting a 12024 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12025 * that we always have to post this message if status has been requested no 12026 * matter what. 12027 */ 12028 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12029 final boolean reportStatus) { 12030 if (DEBUG_SD_INSTALL) 12031 Log.i(TAG, "unloading media packages"); 12032 ArrayList<String> pkgList = new ArrayList<String>(); 12033 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12034 final Set<AsecInstallArgs> keys = processCids.keySet(); 12035 for (AsecInstallArgs args : keys) { 12036 String pkgName = args.getPackageName(); 12037 if (DEBUG_SD_INSTALL) 12038 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12039 // Delete package internally 12040 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12041 synchronized (mInstallLock) { 12042 boolean res = deletePackageLI(pkgName, null, false, null, null, 12043 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12044 if (res) { 12045 pkgList.add(pkgName); 12046 } else { 12047 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12048 failedList.add(args); 12049 } 12050 } 12051 } 12052 12053 // reader 12054 synchronized (mPackages) { 12055 // We didn't update the settings after removing each package; 12056 // write them now for all packages. 12057 mSettings.writeLPr(); 12058 } 12059 12060 // We have to absolutely send UPDATED_MEDIA_STATUS only 12061 // after confirming that all the receivers processed the ordered 12062 // broadcast when packages get disabled, force a gc to clean things up. 12063 // and unload all the containers. 12064 if (pkgList.size() > 0) { 12065 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12066 new IIntentReceiver.Stub() { 12067 public void performReceive(Intent intent, int resultCode, String data, 12068 Bundle extras, boolean ordered, boolean sticky, 12069 int sendingUser) throws RemoteException { 12070 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12071 reportStatus ? 1 : 0, 1, keys); 12072 mHandler.sendMessage(msg); 12073 } 12074 }); 12075 } else { 12076 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12077 keys); 12078 mHandler.sendMessage(msg); 12079 } 12080 } 12081 12082 /** Binder call */ 12083 @Override 12084 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12085 final int flags) { 12086 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12087 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12088 int returnCode = PackageManager.MOVE_SUCCEEDED; 12089 int currFlags = 0; 12090 int newFlags = 0; 12091 // reader 12092 synchronized (mPackages) { 12093 PackageParser.Package pkg = mPackages.get(packageName); 12094 if (pkg == null) { 12095 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12096 } else { 12097 // Disable moving fwd locked apps and system packages 12098 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12099 Slog.w(TAG, "Cannot move system application"); 12100 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12101 } else if (pkg.mOperationPending) { 12102 Slog.w(TAG, "Attempt to move package which has pending operations"); 12103 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12104 } else { 12105 // Find install location first 12106 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12107 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12108 Slog.w(TAG, "Ambigous flags specified for move location."); 12109 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12110 } else { 12111 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12112 : PackageManager.INSTALL_INTERNAL; 12113 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12114 : PackageManager.INSTALL_INTERNAL; 12115 12116 if (newFlags == currFlags) { 12117 Slog.w(TAG, "No move required. Trying to move to same location"); 12118 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12119 } else { 12120 if (isForwardLocked(pkg)) { 12121 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12122 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12123 } 12124 } 12125 } 12126 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12127 pkg.mOperationPending = true; 12128 } 12129 } 12130 } 12131 12132 /* 12133 * TODO this next block probably shouldn't be inside the lock. We 12134 * can't guarantee these won't change after this is fired off 12135 * anyway. 12136 */ 12137 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12138 processPendingMove(new MoveParams(null, observer, 0, packageName, 12139 null, -1, user), 12140 returnCode); 12141 } else { 12142 Message msg = mHandler.obtainMessage(INIT_COPY); 12143 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12144 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); 12145 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12146 pkg.applicationInfo.dataDir, pkg.applicationInfo.uid, user); 12147 msg.obj = mp; 12148 mHandler.sendMessage(msg); 12149 } 12150 } 12151 } 12152 12153 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12154 // Queue up an async operation since the package deletion may take a 12155 // little while. 12156 mHandler.post(new Runnable() { 12157 public void run() { 12158 // TODO fix this; this does nothing. 12159 mHandler.removeCallbacks(this); 12160 int returnCode = currentStatus; 12161 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12162 int uidArr[] = null; 12163 ArrayList<String> pkgList = null; 12164 synchronized (mPackages) { 12165 PackageParser.Package pkg = mPackages.get(mp.packageName); 12166 if (pkg == null) { 12167 Slog.w(TAG, " Package " + mp.packageName 12168 + " doesn't exist. Aborting move"); 12169 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12170 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12171 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12172 + mp.srcArgs.getCodePath() + " to " 12173 + pkg.applicationInfo.sourceDir 12174 + " Aborting move and returning error"); 12175 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12176 } else { 12177 uidArr = new int[] { 12178 pkg.applicationInfo.uid 12179 }; 12180 pkgList = new ArrayList<String>(); 12181 pkgList.add(mp.packageName); 12182 } 12183 } 12184 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12185 // Send resources unavailable broadcast 12186 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12187 // Update package code and resource paths 12188 synchronized (mInstallLock) { 12189 synchronized (mPackages) { 12190 PackageParser.Package pkg = mPackages.get(mp.packageName); 12191 // Recheck for package again. 12192 if (pkg == null) { 12193 Slog.w(TAG, " Package " + mp.packageName 12194 + " doesn't exist. Aborting move"); 12195 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12196 } else if (!mp.srcArgs.getCodePath().equals( 12197 pkg.applicationInfo.sourceDir)) { 12198 Slog.w(TAG, "Package " + mp.packageName 12199 + " code path changed from " + mp.srcArgs.getCodePath() 12200 + " to " + pkg.applicationInfo.sourceDir 12201 + " Aborting move and returning error"); 12202 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12203 } else { 12204 final String oldCodePath = pkg.mPath; 12205 final String newCodePath = mp.targetArgs.getCodePath(); 12206 final String newResPath = mp.targetArgs.getResourcePath(); 12207 final String newNativePath = mp.targetArgs 12208 .getNativeLibraryPath(); 12209 12210 final File newNativeDir = new File(newNativePath); 12211 12212 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12213 // NOTE: We do not report any errors from the APK scan and library 12214 // copy at this point. 12215 NativeLibraryHelper.ApkHandle handle = 12216 new NativeLibraryHelper.ApkHandle(newCodePath); 12217 final int abi = NativeLibraryHelper.findSupportedAbi( 12218 handle, Build.SUPPORTED_ABIS); 12219 if (abi >= 0) { 12220 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12221 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12222 } 12223 handle.close(); 12224 } 12225 final int[] users = sUserManager.getUserIds(); 12226 for (int user : users) { 12227 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12228 newNativePath, user) < 0) { 12229 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12230 } 12231 } 12232 12233 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12234 pkg.mPath = newCodePath; 12235 // Move dex files around 12236 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12237 // Moving of dex files failed. Set 12238 // error code and abort move. 12239 pkg.mPath = pkg.mScanPath; 12240 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12241 } 12242 } 12243 12244 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12245 pkg.mScanPath = newCodePath; 12246 pkg.applicationInfo.sourceDir = newCodePath; 12247 pkg.applicationInfo.publicSourceDir = newResPath; 12248 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12249 PackageSetting ps = (PackageSetting) pkg.mExtras; 12250 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12251 ps.codePathString = ps.codePath.getPath(); 12252 ps.resourcePath = new File( 12253 pkg.applicationInfo.publicSourceDir); 12254 ps.resourcePathString = ps.resourcePath.getPath(); 12255 ps.nativeLibraryPathString = newNativePath; 12256 // Set the application info flag 12257 // correctly. 12258 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12259 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12260 } else { 12261 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12262 } 12263 ps.setFlags(pkg.applicationInfo.flags); 12264 mAppDirs.remove(oldCodePath); 12265 mAppDirs.put(newCodePath, pkg); 12266 // Persist settings 12267 mSettings.writeLPr(); 12268 } 12269 } 12270 } 12271 } 12272 // Send resources available broadcast 12273 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12274 } 12275 } 12276 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12277 // Clean up failed installation 12278 if (mp.targetArgs != null) { 12279 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12280 -1); 12281 } 12282 } else { 12283 // Force a gc to clear things up. 12284 Runtime.getRuntime().gc(); 12285 // Delete older code 12286 synchronized (mInstallLock) { 12287 mp.srcArgs.doPostDeleteLI(true); 12288 } 12289 } 12290 12291 // Allow more operations on this file if we didn't fail because 12292 // an operation was already pending for this package. 12293 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12294 synchronized (mPackages) { 12295 PackageParser.Package pkg = mPackages.get(mp.packageName); 12296 if (pkg != null) { 12297 pkg.mOperationPending = false; 12298 } 12299 } 12300 } 12301 12302 IPackageMoveObserver observer = mp.observer; 12303 if (observer != null) { 12304 try { 12305 observer.packageMoved(mp.packageName, returnCode); 12306 } catch (RemoteException e) { 12307 Log.i(TAG, "Observer no longer exists."); 12308 } 12309 } 12310 } 12311 }); 12312 } 12313 12314 public boolean setInstallLocation(int loc) { 12315 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12316 null); 12317 if (getInstallLocation() == loc) { 12318 return true; 12319 } 12320 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12321 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12322 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12323 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12324 return true; 12325 } 12326 return false; 12327 } 12328 12329 public int getInstallLocation() { 12330 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12331 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12332 PackageHelper.APP_INSTALL_AUTO); 12333 } 12334 12335 /** Called by UserManagerService */ 12336 void cleanUpUserLILPw(int userHandle) { 12337 mDirtyUsers.remove(userHandle); 12338 mSettings.removeUserLPr(userHandle); 12339 mPendingBroadcasts.remove(userHandle); 12340 if (mInstaller != null) { 12341 // Technically, we shouldn't be doing this with the package lock 12342 // held. However, this is very rare, and there is already so much 12343 // other disk I/O going on, that we'll let it slide for now. 12344 mInstaller.removeUserDataDirs(userHandle); 12345 } 12346 } 12347 12348 /** Called by UserManagerService */ 12349 void createNewUserLILPw(int userHandle, File path) { 12350 if (mInstaller != null) { 12351 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12352 } 12353 } 12354 12355 @Override 12356 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12357 mContext.enforceCallingOrSelfPermission( 12358 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12359 "Only package verification agents can read the verifier device identity"); 12360 12361 synchronized (mPackages) { 12362 return mSettings.getVerifierDeviceIdentityLPw(); 12363 } 12364 } 12365 12366 @Override 12367 public void setPermissionEnforced(String permission, boolean enforced) { 12368 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12369 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12370 synchronized (mPackages) { 12371 if (mSettings.mReadExternalStorageEnforced == null 12372 || mSettings.mReadExternalStorageEnforced != enforced) { 12373 mSettings.mReadExternalStorageEnforced = enforced; 12374 mSettings.writeLPr(); 12375 } 12376 } 12377 // kill any non-foreground processes so we restart them and 12378 // grant/revoke the GID. 12379 final IActivityManager am = ActivityManagerNative.getDefault(); 12380 if (am != null) { 12381 final long token = Binder.clearCallingIdentity(); 12382 try { 12383 am.killProcessesBelowForeground("setPermissionEnforcement"); 12384 } catch (RemoteException e) { 12385 } finally { 12386 Binder.restoreCallingIdentity(token); 12387 } 12388 } 12389 } else { 12390 throw new IllegalArgumentException("No selective enforcement for " + permission); 12391 } 12392 } 12393 12394 @Override 12395 @Deprecated 12396 public boolean isPermissionEnforced(String permission) { 12397 return true; 12398 } 12399 12400 @Override 12401 public boolean isStorageLow() { 12402 final long token = Binder.clearCallingIdentity(); 12403 try { 12404 final DeviceStorageMonitorInternal 12405 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 12406 if (dsm != null) { 12407 return dsm.isMemoryLow(); 12408 } else { 12409 return false; 12410 } 12411 } finally { 12412 Binder.restoreCallingIdentity(token); 12413 } 12414 } 12415} 12416