PackageManagerService.java revision a8e65fd82a323e6065ae9ae6cc8eaa130d3c1efd
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static android.system.OsConstants.S_IRWXU; 27import static android.system.OsConstants.S_IRGRP; 28import static android.system.OsConstants.S_IXGRP; 29import static android.system.OsConstants.S_IROTH; 30import static android.system.OsConstants.S_IXOTH; 31import static com.android.internal.util.ArrayUtils.appendInt; 32import static com.android.internal.util.ArrayUtils.removeInt; 33 34import com.android.internal.app.IMediaContainerService; 35import com.android.internal.app.ResolverActivity; 36import com.android.internal.content.NativeLibraryHelper; 37import com.android.internal.content.PackageHelper; 38import com.android.internal.util.FastPrintWriter; 39import com.android.internal.util.FastXmlSerializer; 40import com.android.internal.util.XmlUtils; 41import com.android.server.EventLogTags; 42import com.android.server.IntentResolver; 43import com.android.server.ServiceThread; 44 45import com.android.server.LocalServices; 46import com.android.server.Watchdog; 47import org.xmlpull.v1.XmlPullParser; 48import org.xmlpull.v1.XmlPullParserException; 49import org.xmlpull.v1.XmlSerializer; 50 51import android.app.ActivityManager; 52import android.app.ActivityManagerNative; 53import android.app.IActivityManager; 54import android.app.admin.IDevicePolicyManager; 55import android.app.backup.IBackupManager; 56import android.content.BroadcastReceiver; 57import android.content.ComponentName; 58import android.content.Context; 59import android.content.IIntentReceiver; 60import android.content.Intent; 61import android.content.IntentFilter; 62import android.content.IntentSender; 63import android.content.IntentSender.SendIntentException; 64import android.content.ServiceConnection; 65import android.content.pm.ActivityInfo; 66import android.content.pm.ApplicationInfo; 67import android.content.pm.ContainerEncryptionParams; 68import android.content.pm.FeatureInfo; 69import android.content.pm.IPackageDataObserver; 70import android.content.pm.IPackageDeleteObserver; 71import android.content.pm.IPackageInstallObserver; 72import android.content.pm.IPackageInstallObserver2; 73import android.content.pm.IPackageManager; 74import android.content.pm.IPackageMoveObserver; 75import android.content.pm.IPackageStatsObserver; 76import android.content.pm.InstrumentationInfo; 77import android.content.pm.ManifestDigest; 78import android.content.pm.PackageCleanItem; 79import android.content.pm.PackageInfo; 80import android.content.pm.PackageInfoLite; 81import android.content.pm.PackageManager; 82import android.content.pm.PackageParser; 83import android.content.pm.PackageParser.ActivityIntentInfo; 84import android.content.pm.PackageStats; 85import android.content.pm.PackageUserState; 86import android.content.pm.ParceledListSlice; 87import android.content.pm.PermissionGroupInfo; 88import android.content.pm.PermissionInfo; 89import android.content.pm.ProviderInfo; 90import android.content.pm.ResolveInfo; 91import android.content.pm.ServiceInfo; 92import android.content.pm.Signature; 93import android.content.pm.VerificationParams; 94import android.content.pm.VerifierDeviceIdentity; 95import android.content.pm.VerifierInfo; 96import android.content.res.Resources; 97import android.hardware.display.DisplayManager; 98import android.net.Uri; 99import android.os.Binder; 100import android.os.Build; 101import android.os.Bundle; 102import android.os.Environment; 103import android.os.Environment.UserEnvironment; 104import android.os.FileObserver; 105import android.os.FileUtils; 106import android.os.Handler; 107import android.os.IBinder; 108import android.os.Looper; 109import android.os.Message; 110import android.os.Parcel; 111import android.os.ParcelFileDescriptor; 112import android.os.Process; 113import android.os.RemoteException; 114import android.os.SELinux; 115import android.os.ServiceManager; 116import android.os.SystemClock; 117import android.os.SystemProperties; 118import android.os.UserHandle; 119import android.os.UserManager; 120import android.security.KeyStore; 121import android.security.SystemKeyStore; 122import android.system.ErrnoException; 123import android.system.Os; 124import android.system.StructStat; 125import android.text.TextUtils; 126import android.util.DisplayMetrics; 127import android.util.EventLog; 128import android.util.Log; 129import android.util.LogPrinter; 130import android.util.PrintStreamPrinter; 131import android.util.Slog; 132import android.util.SparseArray; 133import android.util.Xml; 134import android.view.Display; 135 136import java.io.BufferedOutputStream; 137import java.io.File; 138import java.io.FileDescriptor; 139import java.io.FileInputStream; 140import java.io.FileNotFoundException; 141import java.io.FileOutputStream; 142import java.io.FileReader; 143import java.io.FilenameFilter; 144import java.io.IOException; 145import java.io.PrintWriter; 146import java.security.NoSuchAlgorithmException; 147import java.security.PublicKey; 148import java.security.cert.Certificate; 149import java.security.cert.CertificateEncodingException; 150import java.security.cert.CertificateException; 151import java.text.SimpleDateFormat; 152import java.util.ArrayList; 153import java.util.Arrays; 154import java.util.Collection; 155import java.util.Collections; 156import java.util.Comparator; 157import java.util.Date; 158import java.util.HashMap; 159import java.util.HashSet; 160import java.util.Iterator; 161import java.util.List; 162import java.util.Map; 163import java.util.Set; 164 165import libcore.io.IoUtils; 166 167import com.android.internal.R; 168import com.android.server.pm.Settings.DatabaseVersion; 169import com.android.server.storage.DeviceStorageMonitorInternal; 170 171/** 172 * Keep track of all those .apks everywhere. 173 * 174 * This is very central to the platform's security; please run the unit 175 * tests whenever making modifications here: 176 * 177mmm frameworks/base/tests/AndroidTests 178adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 179adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 180 * 181 * {@hide} 182 */ 183public class PackageManagerService extends IPackageManager.Stub { 184 static final String TAG = "PackageManager"; 185 static final boolean DEBUG_SETTINGS = false; 186 static final boolean DEBUG_PREFERRED = false; 187 static final boolean DEBUG_UPGRADE = false; 188 private static final boolean DEBUG_INSTALL = false; 189 private static final boolean DEBUG_REMOVE = false; 190 private static final boolean DEBUG_BROADCASTS = false; 191 private static final boolean DEBUG_SHOW_INFO = false; 192 private static final boolean DEBUG_PACKAGE_INFO = false; 193 private static final boolean DEBUG_INTENT_MATCHING = false; 194 private static final boolean DEBUG_PACKAGE_SCANNING = false; 195 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 196 private static final boolean DEBUG_VERIFY = false; 197 198 private static final int RADIO_UID = Process.PHONE_UID; 199 private static final int LOG_UID = Process.LOG_UID; 200 private static final int NFC_UID = Process.NFC_UID; 201 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 202 private static final int SHELL_UID = Process.SHELL_UID; 203 204 // Cap the size of permission trees that 3rd party apps can define 205 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 206 207 private static final int REMOVE_EVENTS = 208 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 209 private static final int ADD_EVENTS = 210 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 211 212 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 213 // Suffix used during package installation when copying/moving 214 // package apks to install directory. 215 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 216 217 static final int SCAN_MONITOR = 1<<0; 218 static final int SCAN_NO_DEX = 1<<1; 219 static final int SCAN_FORCE_DEX = 1<<2; 220 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 221 static final int SCAN_NEW_INSTALL = 1<<4; 222 static final int SCAN_NO_PATHS = 1<<5; 223 static final int SCAN_UPDATE_TIME = 1<<6; 224 static final int SCAN_DEFER_DEX = 1<<7; 225 static final int SCAN_BOOTING = 1<<8; 226 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 227 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 228 229 static final int REMOVE_CHATTY = 1<<16; 230 231 /** 232 * Timeout (in milliseconds) after which the watchdog should declare that 233 * our handler thread is wedged. The usual default for such things is one 234 * minute but we sometimes do very lengthy I/O operations on this thread, 235 * such as installing multi-gigabyte applications, so ours needs to be longer. 236 */ 237 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 238 239 /** 240 * Whether verification is enabled by default. 241 */ 242 private static final boolean DEFAULT_VERIFY_ENABLE = true; 243 244 /** 245 * The default maximum time to wait for the verification agent to return in 246 * milliseconds. 247 */ 248 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 249 250 /** 251 * The default response for package verification timeout. 252 * 253 * This can be either PackageManager.VERIFICATION_ALLOW or 254 * PackageManager.VERIFICATION_REJECT. 255 */ 256 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 257 258 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 259 260 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 261 DEFAULT_CONTAINER_PACKAGE, 262 "com.android.defcontainer.DefaultContainerService"); 263 264 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 265 266 private static final String LIB_DIR_NAME = "lib"; 267 private static final String LIB64_DIR_NAME = "lib64"; 268 269 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 270 271 static final String mTempContainerPrefix = "smdl2tmp"; 272 273 final ServiceThread mHandlerThread; 274 275 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 276 private static final String IDMAP_SUFFIX = "@idmap"; 277 278 final PackageHandler mHandler; 279 280 final int mSdkVersion = Build.VERSION.SDK_INT; 281 282 final Context mContext; 283 final boolean mFactoryTest; 284 final boolean mOnlyCore; 285 final boolean mNoDexOpt; 286 final DisplayMetrics mMetrics; 287 final int mDefParseFlags; 288 final String[] mSeparateProcesses; 289 290 // This is where all application persistent data goes. 291 final File mAppDataDir; 292 293 // This is where all application persistent data goes for secondary users. 294 final File mUserAppDataDir; 295 296 /** The location for ASEC container files on internal storage. */ 297 final String mAsecInternalPath; 298 299 // This is the object monitoring the framework dir. 300 final FileObserver mFrameworkInstallObserver; 301 302 // This is the object monitoring the system app dir. 303 final FileObserver mSystemInstallObserver; 304 305 // This is the object monitoring the privileged system app dir. 306 final FileObserver mPrivilegedInstallObserver; 307 308 // This is the object monitoring the vendor app dir. 309 final FileObserver mVendorInstallObserver; 310 311 // This is the object monitoring the vendor overlay package dir. 312 final FileObserver mVendorOverlayInstallObserver; 313 314 // This is the object monitoring the OEM app dir. 315 final FileObserver mOemInstallObserver; 316 317 // This is the object monitoring mAppInstallDir. 318 final FileObserver mAppInstallObserver; 319 320 // This is the object monitoring mDrmAppPrivateInstallDir. 321 final FileObserver mDrmAppInstallObserver; 322 323 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 324 // LOCK HELD. Can be called with mInstallLock held. 325 final Installer mInstaller; 326 327 final File mAppInstallDir; 328 329 /** 330 * Directory to which applications installed internally have native 331 * libraries copied. 332 */ 333 private File mAppLibInstallDir; 334 335 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 336 // apps. 337 final File mDrmAppPrivateInstallDir; 338 339 // ---------------------------------------------------------------- 340 341 // Lock for state used when installing and doing other long running 342 // operations. Methods that must be called with this lock held have 343 // the suffix "LI". 344 final Object mInstallLock = new Object(); 345 346 // These are the directories in the 3rd party applications installed dir 347 // that we have currently loaded packages from. Keys are the application's 348 // installed zip file (absolute codePath), and values are Package. 349 final HashMap<String, PackageParser.Package> mAppDirs = 350 new HashMap<String, PackageParser.Package>(); 351 352 // Information for the parser to write more useful error messages. 353 int mLastScanError; 354 355 // ---------------------------------------------------------------- 356 357 // Keys are String (package name), values are Package. This also serves 358 // as the lock for the global state. Methods that must be called with 359 // this lock held have the prefix "LP". 360 final HashMap<String, PackageParser.Package> mPackages = 361 new HashMap<String, PackageParser.Package>(); 362 363 // Tracks available target package names -> overlay package paths. 364 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 365 new HashMap<String, HashMap<String, PackageParser.Package>>(); 366 367 final Settings mSettings; 368 boolean mRestoredSettings; 369 370 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 371 int[] mGlobalGids; 372 373 // These are the built-in uid -> permission mappings that were read from the 374 // etc/permissions.xml file. 375 final SparseArray<HashSet<String>> mSystemPermissions = 376 new SparseArray<HashSet<String>>(); 377 378 static final class SharedLibraryEntry { 379 final String path; 380 final String apk; 381 382 SharedLibraryEntry(String _path, String _apk) { 383 path = _path; 384 apk = _apk; 385 } 386 } 387 388 // These are the built-in shared libraries that were read from the 389 // etc/permissions.xml file. 390 final HashMap<String, SharedLibraryEntry> mSharedLibraries 391 = new HashMap<String, SharedLibraryEntry>(); 392 393 // Temporary for building the final shared libraries for an .apk. 394 String[] mTmpSharedLibraries = null; 395 396 // These are the features this devices supports that were read from the 397 // etc/permissions.xml file. 398 final HashMap<String, FeatureInfo> mAvailableFeatures = 399 new HashMap<String, FeatureInfo>(); 400 401 // If mac_permissions.xml was found for seinfo labeling. 402 boolean mFoundPolicyFile; 403 404 // If a recursive restorecon of /data/data/<pkg> is needed. 405 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 406 407 // All available activities, for your resolving pleasure. 408 final ActivityIntentResolver mActivities = 409 new ActivityIntentResolver(); 410 411 // All available receivers, for your resolving pleasure. 412 final ActivityIntentResolver mReceivers = 413 new ActivityIntentResolver(); 414 415 // All available services, for your resolving pleasure. 416 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 417 418 // All available providers, for your resolving pleasure. 419 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 420 421 // Mapping from provider base names (first directory in content URI codePath) 422 // to the provider information. 423 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 424 new HashMap<String, PackageParser.Provider>(); 425 426 // Mapping from instrumentation class names to info about them. 427 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 428 new HashMap<ComponentName, PackageParser.Instrumentation>(); 429 430 // Mapping from permission names to info about them. 431 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 432 new HashMap<String, PackageParser.PermissionGroup>(); 433 434 // Packages whose data we have transfered into another package, thus 435 // should no longer exist. 436 final HashSet<String> mTransferedPackages = new HashSet<String>(); 437 438 // Broadcast actions that are only available to the system. 439 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 440 441 /** List of packages waiting for verification. */ 442 final SparseArray<PackageVerificationState> mPendingVerification 443 = new SparseArray<PackageVerificationState>(); 444 445 HashSet<PackageParser.Package> mDeferredDexOpt = null; 446 447 /** Token for keys in mPendingVerification. */ 448 private int mPendingVerificationToken = 0; 449 450 boolean mSystemReady; 451 boolean mSafeMode; 452 boolean mHasSystemUidErrors; 453 454 ApplicationInfo mAndroidApplication; 455 final ActivityInfo mResolveActivity = new ActivityInfo(); 456 final ResolveInfo mResolveInfo = new ResolveInfo(); 457 ComponentName mResolveComponentName; 458 PackageParser.Package mPlatformPackage; 459 ComponentName mCustomResolverComponentName; 460 461 boolean mResolverReplaced = false; 462 463 // Set of pending broadcasts for aggregating enable/disable of components. 464 static class PendingPackageBroadcasts { 465 // for each user id, a map of <package name -> components within that package> 466 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 467 468 public PendingPackageBroadcasts() { 469 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 470 } 471 472 public ArrayList<String> get(int userId, String packageName) { 473 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 474 return packages.get(packageName); 475 } 476 477 public void put(int userId, String packageName, ArrayList<String> components) { 478 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 479 packages.put(packageName, components); 480 } 481 482 public void remove(int userId, String packageName) { 483 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 484 if (packages != null) { 485 packages.remove(packageName); 486 } 487 } 488 489 public void remove(int userId) { 490 mUidMap.remove(userId); 491 } 492 493 public int userIdCount() { 494 return mUidMap.size(); 495 } 496 497 public int userIdAt(int n) { 498 return mUidMap.keyAt(n); 499 } 500 501 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 502 return mUidMap.get(userId); 503 } 504 505 public int size() { 506 // total number of pending broadcast entries across all userIds 507 int num = 0; 508 for (int i = 0; i< mUidMap.size(); i++) { 509 num += mUidMap.valueAt(i).size(); 510 } 511 return num; 512 } 513 514 public void clear() { 515 mUidMap.clear(); 516 } 517 518 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 519 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 520 if (map == null) { 521 map = new HashMap<String, ArrayList<String>>(); 522 mUidMap.put(userId, map); 523 } 524 return map; 525 } 526 } 527 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 528 529 // Service Connection to remote media container service to copy 530 // package uri's from external media onto secure containers 531 // or internal storage. 532 private IMediaContainerService mContainerService = null; 533 534 static final int SEND_PENDING_BROADCAST = 1; 535 static final int MCS_BOUND = 3; 536 static final int END_COPY = 4; 537 static final int INIT_COPY = 5; 538 static final int MCS_UNBIND = 6; 539 static final int START_CLEANING_PACKAGE = 7; 540 static final int FIND_INSTALL_LOC = 8; 541 static final int POST_INSTALL = 9; 542 static final int MCS_RECONNECT = 10; 543 static final int MCS_GIVE_UP = 11; 544 static final int UPDATED_MEDIA_STATUS = 12; 545 static final int WRITE_SETTINGS = 13; 546 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 547 static final int PACKAGE_VERIFIED = 15; 548 static final int CHECK_PENDING_VERIFICATION = 16; 549 550 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 551 552 // Delay time in millisecs 553 static final int BROADCAST_DELAY = 10 * 1000; 554 555 static UserManagerService sUserManager; 556 557 // Stores a list of users whose package restrictions file needs to be updated 558 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 559 560 final private DefaultContainerConnection mDefContainerConn = 561 new DefaultContainerConnection(); 562 class DefaultContainerConnection implements ServiceConnection { 563 public void onServiceConnected(ComponentName name, IBinder service) { 564 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 565 IMediaContainerService imcs = 566 IMediaContainerService.Stub.asInterface(service); 567 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 568 } 569 570 public void onServiceDisconnected(ComponentName name) { 571 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 572 } 573 }; 574 575 // Recordkeeping of restore-after-install operations that are currently in flight 576 // between the Package Manager and the Backup Manager 577 class PostInstallData { 578 public InstallArgs args; 579 public PackageInstalledInfo res; 580 581 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 582 args = _a; 583 res = _r; 584 } 585 }; 586 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 587 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 588 589 private final String mRequiredVerifierPackage; 590 591 class PackageHandler extends Handler { 592 private boolean mBound = false; 593 final ArrayList<HandlerParams> mPendingInstalls = 594 new ArrayList<HandlerParams>(); 595 596 private boolean connectToService() { 597 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 598 " DefaultContainerService"); 599 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 600 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 601 if (mContext.bindServiceAsUser(service, mDefContainerConn, 602 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 603 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 604 mBound = true; 605 return true; 606 } 607 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 608 return false; 609 } 610 611 private void disconnectService() { 612 mContainerService = null; 613 mBound = false; 614 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 615 mContext.unbindService(mDefContainerConn); 616 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 617 } 618 619 PackageHandler(Looper looper) { 620 super(looper); 621 } 622 623 public void handleMessage(Message msg) { 624 try { 625 doHandleMessage(msg); 626 } finally { 627 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 628 } 629 } 630 631 void doHandleMessage(Message msg) { 632 switch (msg.what) { 633 case INIT_COPY: { 634 HandlerParams params = (HandlerParams) msg.obj; 635 int idx = mPendingInstalls.size(); 636 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 637 // If a bind was already initiated we dont really 638 // need to do anything. The pending install 639 // will be processed later on. 640 if (!mBound) { 641 // If this is the only one pending we might 642 // have to bind to the service again. 643 if (!connectToService()) { 644 Slog.e(TAG, "Failed to bind to media container service"); 645 params.serviceError(); 646 return; 647 } else { 648 // Once we bind to the service, the first 649 // pending request will be processed. 650 mPendingInstalls.add(idx, params); 651 } 652 } else { 653 mPendingInstalls.add(idx, params); 654 // Already bound to the service. Just make 655 // sure we trigger off processing the first request. 656 if (idx == 0) { 657 mHandler.sendEmptyMessage(MCS_BOUND); 658 } 659 } 660 break; 661 } 662 case MCS_BOUND: { 663 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 664 if (msg.obj != null) { 665 mContainerService = (IMediaContainerService) msg.obj; 666 } 667 if (mContainerService == null) { 668 // Something seriously wrong. Bail out 669 Slog.e(TAG, "Cannot bind to media container service"); 670 for (HandlerParams params : mPendingInstalls) { 671 // Indicate service bind error 672 params.serviceError(); 673 } 674 mPendingInstalls.clear(); 675 } else if (mPendingInstalls.size() > 0) { 676 HandlerParams params = mPendingInstalls.get(0); 677 if (params != null) { 678 if (params.startCopy()) { 679 // We are done... look for more work or to 680 // go idle. 681 if (DEBUG_SD_INSTALL) Log.i(TAG, 682 "Checking for more work or unbind..."); 683 // Delete pending install 684 if (mPendingInstalls.size() > 0) { 685 mPendingInstalls.remove(0); 686 } 687 if (mPendingInstalls.size() == 0) { 688 if (mBound) { 689 if (DEBUG_SD_INSTALL) Log.i(TAG, 690 "Posting delayed MCS_UNBIND"); 691 removeMessages(MCS_UNBIND); 692 Message ubmsg = obtainMessage(MCS_UNBIND); 693 // Unbind after a little delay, to avoid 694 // continual thrashing. 695 sendMessageDelayed(ubmsg, 10000); 696 } 697 } else { 698 // There are more pending requests in queue. 699 // Just post MCS_BOUND message to trigger processing 700 // of next pending install. 701 if (DEBUG_SD_INSTALL) Log.i(TAG, 702 "Posting MCS_BOUND for next work"); 703 mHandler.sendEmptyMessage(MCS_BOUND); 704 } 705 } 706 } 707 } else { 708 // Should never happen ideally. 709 Slog.w(TAG, "Empty queue"); 710 } 711 break; 712 } 713 case MCS_RECONNECT: { 714 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 715 if (mPendingInstalls.size() > 0) { 716 if (mBound) { 717 disconnectService(); 718 } 719 if (!connectToService()) { 720 Slog.e(TAG, "Failed to bind to media container service"); 721 for (HandlerParams params : mPendingInstalls) { 722 // Indicate service bind error 723 params.serviceError(); 724 } 725 mPendingInstalls.clear(); 726 } 727 } 728 break; 729 } 730 case MCS_UNBIND: { 731 // If there is no actual work left, then time to unbind. 732 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 733 734 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 735 if (mBound) { 736 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 737 738 disconnectService(); 739 } 740 } else if (mPendingInstalls.size() > 0) { 741 // There are more pending requests in queue. 742 // Just post MCS_BOUND message to trigger processing 743 // of next pending install. 744 mHandler.sendEmptyMessage(MCS_BOUND); 745 } 746 747 break; 748 } 749 case MCS_GIVE_UP: { 750 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 751 mPendingInstalls.remove(0); 752 break; 753 } 754 case SEND_PENDING_BROADCAST: { 755 String packages[]; 756 ArrayList<String> components[]; 757 int size = 0; 758 int uids[]; 759 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 760 synchronized (mPackages) { 761 if (mPendingBroadcasts == null) { 762 return; 763 } 764 size = mPendingBroadcasts.size(); 765 if (size <= 0) { 766 // Nothing to be done. Just return 767 return; 768 } 769 packages = new String[size]; 770 components = new ArrayList[size]; 771 uids = new int[size]; 772 int i = 0; // filling out the above arrays 773 774 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 775 int packageUserId = mPendingBroadcasts.userIdAt(n); 776 Iterator<Map.Entry<String, ArrayList<String>>> it 777 = mPendingBroadcasts.packagesForUserId(packageUserId) 778 .entrySet().iterator(); 779 while (it.hasNext() && i < size) { 780 Map.Entry<String, ArrayList<String>> ent = it.next(); 781 packages[i] = ent.getKey(); 782 components[i] = ent.getValue(); 783 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 784 uids[i] = (ps != null) 785 ? UserHandle.getUid(packageUserId, ps.appId) 786 : -1; 787 i++; 788 } 789 } 790 size = i; 791 mPendingBroadcasts.clear(); 792 } 793 // Send broadcasts 794 for (int i = 0; i < size; i++) { 795 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 796 } 797 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 798 break; 799 } 800 case START_CLEANING_PACKAGE: { 801 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 802 final String packageName = (String)msg.obj; 803 final int userId = msg.arg1; 804 final boolean andCode = msg.arg2 != 0; 805 synchronized (mPackages) { 806 if (userId == UserHandle.USER_ALL) { 807 int[] users = sUserManager.getUserIds(); 808 for (int user : users) { 809 mSettings.addPackageToCleanLPw( 810 new PackageCleanItem(user, packageName, andCode)); 811 } 812 } else { 813 mSettings.addPackageToCleanLPw( 814 new PackageCleanItem(userId, packageName, andCode)); 815 } 816 } 817 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 818 startCleaningPackages(); 819 } break; 820 case POST_INSTALL: { 821 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 822 PostInstallData data = mRunningInstalls.get(msg.arg1); 823 mRunningInstalls.delete(msg.arg1); 824 boolean deleteOld = false; 825 826 if (data != null) { 827 InstallArgs args = data.args; 828 PackageInstalledInfo res = data.res; 829 830 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 831 res.removedInfo.sendBroadcast(false, true, false); 832 Bundle extras = new Bundle(1); 833 extras.putInt(Intent.EXTRA_UID, res.uid); 834 // Determine the set of users who are adding this 835 // package for the first time vs. those who are seeing 836 // an update. 837 int[] firstUsers; 838 int[] updateUsers = new int[0]; 839 if (res.origUsers == null || res.origUsers.length == 0) { 840 firstUsers = res.newUsers; 841 } else { 842 firstUsers = new int[0]; 843 for (int i=0; i<res.newUsers.length; i++) { 844 int user = res.newUsers[i]; 845 boolean isNew = true; 846 for (int j=0; j<res.origUsers.length; j++) { 847 if (res.origUsers[j] == user) { 848 isNew = false; 849 break; 850 } 851 } 852 if (isNew) { 853 int[] newFirst = new int[firstUsers.length+1]; 854 System.arraycopy(firstUsers, 0, newFirst, 0, 855 firstUsers.length); 856 newFirst[firstUsers.length] = user; 857 firstUsers = newFirst; 858 } else { 859 int[] newUpdate = new int[updateUsers.length+1]; 860 System.arraycopy(updateUsers, 0, newUpdate, 0, 861 updateUsers.length); 862 newUpdate[updateUsers.length] = user; 863 updateUsers = newUpdate; 864 } 865 } 866 } 867 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 868 res.pkg.applicationInfo.packageName, 869 extras, null, null, firstUsers); 870 final boolean update = res.removedInfo.removedPackage != null; 871 if (update) { 872 extras.putBoolean(Intent.EXTRA_REPLACING, true); 873 } 874 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 875 res.pkg.applicationInfo.packageName, 876 extras, null, null, updateUsers); 877 if (update) { 878 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 879 res.pkg.applicationInfo.packageName, 880 extras, null, null, updateUsers); 881 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 882 null, null, 883 res.pkg.applicationInfo.packageName, null, updateUsers); 884 885 // treat asec-hosted packages like removable media on upgrade 886 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 887 if (DEBUG_INSTALL) { 888 Slog.i(TAG, "upgrading pkg " + res.pkg 889 + " is ASEC-hosted -> AVAILABLE"); 890 } 891 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 892 ArrayList<String> pkgList = new ArrayList<String>(1); 893 pkgList.add(res.pkg.applicationInfo.packageName); 894 sendResourcesChangedBroadcast(true, true, 895 pkgList,uidArray, null); 896 } 897 } 898 if (res.removedInfo.args != null) { 899 // Remove the replaced package's older resources safely now 900 deleteOld = true; 901 } 902 903 // Log current value of "unknown sources" setting 904 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 905 getUnknownSourcesSettings()); 906 } 907 // Force a gc to clear up things 908 Runtime.getRuntime().gc(); 909 // We delete after a gc for applications on sdcard. 910 if (deleteOld) { 911 synchronized (mInstallLock) { 912 res.removedInfo.args.doPostDeleteLI(true); 913 } 914 } 915 if (args.observer != null) { 916 try { 917 args.observer.packageInstalled(res.name, res.returnCode); 918 } catch (RemoteException e) { 919 Slog.i(TAG, "Observer no longer exists."); 920 } 921 } 922 if (args.observer2 != null) { 923 try { 924 Bundle extras = extrasForInstallResult(res); 925 args.observer2.packageInstalled(res.name, extras, res.returnCode); 926 } catch (RemoteException e) { 927 Slog.i(TAG, "Observer no longer exists."); 928 } 929 } 930 } else { 931 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 932 } 933 } break; 934 case UPDATED_MEDIA_STATUS: { 935 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 936 boolean reportStatus = msg.arg1 == 1; 937 boolean doGc = msg.arg2 == 1; 938 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 939 if (doGc) { 940 // Force a gc to clear up stale containers. 941 Runtime.getRuntime().gc(); 942 } 943 if (msg.obj != null) { 944 @SuppressWarnings("unchecked") 945 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 946 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 947 // Unload containers 948 unloadAllContainers(args); 949 } 950 if (reportStatus) { 951 try { 952 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 953 PackageHelper.getMountService().finishMediaUpdate(); 954 } catch (RemoteException e) { 955 Log.e(TAG, "MountService not running?"); 956 } 957 } 958 } break; 959 case WRITE_SETTINGS: { 960 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 961 synchronized (mPackages) { 962 removeMessages(WRITE_SETTINGS); 963 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 964 mSettings.writeLPr(); 965 mDirtyUsers.clear(); 966 } 967 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 968 } break; 969 case WRITE_PACKAGE_RESTRICTIONS: { 970 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 971 synchronized (mPackages) { 972 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 973 for (int userId : mDirtyUsers) { 974 mSettings.writePackageRestrictionsLPr(userId); 975 } 976 mDirtyUsers.clear(); 977 } 978 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 979 } break; 980 case CHECK_PENDING_VERIFICATION: { 981 final int verificationId = msg.arg1; 982 final PackageVerificationState state = mPendingVerification.get(verificationId); 983 984 if ((state != null) && !state.timeoutExtended()) { 985 final InstallArgs args = state.getInstallArgs(); 986 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 987 mPendingVerification.remove(verificationId); 988 989 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 990 991 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 992 Slog.i(TAG, "Continuing with installation of " 993 + args.packageURI.toString()); 994 state.setVerifierResponse(Binder.getCallingUid(), 995 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 996 broadcastPackageVerified(verificationId, args.packageURI, 997 PackageManager.VERIFICATION_ALLOW, 998 state.getInstallArgs().getUser()); 999 try { 1000 ret = args.copyApk(mContainerService, true); 1001 } catch (RemoteException e) { 1002 Slog.e(TAG, "Could not contact the ContainerService"); 1003 } 1004 } else { 1005 broadcastPackageVerified(verificationId, args.packageURI, 1006 PackageManager.VERIFICATION_REJECT, 1007 state.getInstallArgs().getUser()); 1008 } 1009 1010 processPendingInstall(args, ret); 1011 mHandler.sendEmptyMessage(MCS_UNBIND); 1012 } 1013 break; 1014 } 1015 case PACKAGE_VERIFIED: { 1016 final int verificationId = msg.arg1; 1017 1018 final PackageVerificationState state = mPendingVerification.get(verificationId); 1019 if (state == null) { 1020 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1021 break; 1022 } 1023 1024 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1025 1026 state.setVerifierResponse(response.callerUid, response.code); 1027 1028 if (state.isVerificationComplete()) { 1029 mPendingVerification.remove(verificationId); 1030 1031 final InstallArgs args = state.getInstallArgs(); 1032 1033 int ret; 1034 if (state.isInstallAllowed()) { 1035 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1036 broadcastPackageVerified(verificationId, args.packageURI, 1037 response.code, state.getInstallArgs().getUser()); 1038 try { 1039 ret = args.copyApk(mContainerService, true); 1040 } catch (RemoteException e) { 1041 Slog.e(TAG, "Could not contact the ContainerService"); 1042 } 1043 } else { 1044 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1045 } 1046 1047 processPendingInstall(args, ret); 1048 1049 mHandler.sendEmptyMessage(MCS_UNBIND); 1050 } 1051 1052 break; 1053 } 1054 } 1055 } 1056 } 1057 1058 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1059 Bundle extras = null; 1060 switch (res.returnCode) { 1061 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1062 extras = new Bundle(); 1063 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1064 res.origPermission); 1065 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1066 res.origPackage); 1067 break; 1068 } 1069 } 1070 return extras; 1071 } 1072 1073 void scheduleWriteSettingsLocked() { 1074 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1075 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1076 } 1077 } 1078 1079 void scheduleWritePackageRestrictionsLocked(int userId) { 1080 if (!sUserManager.exists(userId)) return; 1081 mDirtyUsers.add(userId); 1082 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1083 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1084 } 1085 } 1086 1087 public static final IPackageManager main(Context context, Installer installer, 1088 boolean factoryTest, boolean onlyCore) { 1089 PackageManagerService m = new PackageManagerService(context, installer, 1090 factoryTest, onlyCore); 1091 ServiceManager.addService("package", m); 1092 return m; 1093 } 1094 1095 static String[] splitString(String str, char sep) { 1096 int count = 1; 1097 int i = 0; 1098 while ((i=str.indexOf(sep, i)) >= 0) { 1099 count++; 1100 i++; 1101 } 1102 1103 String[] res = new String[count]; 1104 i=0; 1105 count = 0; 1106 int lastI=0; 1107 while ((i=str.indexOf(sep, i)) >= 0) { 1108 res[count] = str.substring(lastI, i); 1109 count++; 1110 i++; 1111 lastI = i; 1112 } 1113 res[count] = str.substring(lastI, str.length()); 1114 return res; 1115 } 1116 1117 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1118 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1119 Context.DISPLAY_SERVICE); 1120 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1121 } 1122 1123 public PackageManagerService(Context context, Installer installer, 1124 boolean factoryTest, boolean onlyCore) { 1125 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1126 SystemClock.uptimeMillis()); 1127 1128 if (mSdkVersion <= 0) { 1129 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1130 } 1131 1132 mContext = context; 1133 mFactoryTest = factoryTest; 1134 mOnlyCore = onlyCore; 1135 mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1136 mMetrics = new DisplayMetrics(); 1137 mSettings = new Settings(context); 1138 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1139 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1140 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1141 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1142 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1143 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1144 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1145 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1146 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1147 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1148 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1149 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1150 1151 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1152 if (separateProcesses != null && separateProcesses.length() > 0) { 1153 if ("*".equals(separateProcesses)) { 1154 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1155 mSeparateProcesses = null; 1156 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1157 } else { 1158 mDefParseFlags = 0; 1159 mSeparateProcesses = separateProcesses.split(","); 1160 Slog.w(TAG, "Running with debug.separate_processes: " 1161 + separateProcesses); 1162 } 1163 } else { 1164 mDefParseFlags = 0; 1165 mSeparateProcesses = null; 1166 } 1167 1168 mInstaller = installer; 1169 1170 getDefaultDisplayMetrics(context, mMetrics); 1171 1172 synchronized (mInstallLock) { 1173 // writer 1174 synchronized (mPackages) { 1175 mHandlerThread = new ServiceThread(TAG, 1176 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1177 mHandlerThread.start(); 1178 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1179 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1180 1181 File dataDir = Environment.getDataDirectory(); 1182 mAppDataDir = new File(dataDir, "data"); 1183 mAppInstallDir = new File(dataDir, "app"); 1184 mAppLibInstallDir = new File(dataDir, "app-lib"); 1185 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1186 mUserAppDataDir = new File(dataDir, "user"); 1187 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1188 1189 sUserManager = new UserManagerService(context, this, 1190 mInstallLock, mPackages); 1191 1192 // Read permissions and features from system 1193 readPermissions(Environment.buildPath( 1194 Environment.getRootDirectory(), "etc", "permissions"), false); 1195 // Only read features from OEM 1196 readPermissions(Environment.buildPath( 1197 Environment.getOemDirectory(), "etc", "permissions"), true); 1198 1199 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1200 1201 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1202 mSdkVersion, mOnlyCore); 1203 1204 String customResolverActivity = Resources.getSystem().getString( 1205 R.string.config_customResolverActivity); 1206 if (TextUtils.isEmpty(customResolverActivity)) { 1207 customResolverActivity = null; 1208 } else { 1209 mCustomResolverComponentName = ComponentName.unflattenFromString( 1210 customResolverActivity); 1211 } 1212 1213 long startTime = SystemClock.uptimeMillis(); 1214 1215 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1216 startTime); 1217 1218 // Set flag to monitor and not change apk file paths when 1219 // scanning install directories. 1220 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1221 if (mNoDexOpt) { 1222 Slog.w(TAG, "Running ENG build: no pre-dexopt!"); 1223 scanMode |= SCAN_NO_DEX; 1224 } 1225 1226 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1227 1228 /** 1229 * Add everything in the in the boot class path to the 1230 * list of process files because dexopt will have been run 1231 * if necessary during zygote startup. 1232 */ 1233 String bootClassPath = System.getProperty("java.boot.class.path"); 1234 if (bootClassPath != null) { 1235 String[] paths = splitString(bootClassPath, ':'); 1236 for (int i=0; i<paths.length; i++) { 1237 alreadyDexOpted.add(paths[i]); 1238 } 1239 } else { 1240 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1241 } 1242 1243 boolean didDexOpt = false; 1244 1245 /** 1246 * Ensure all external libraries have had dexopt run on them. 1247 */ 1248 if (mSharedLibraries.size() > 0) { 1249 Iterator<SharedLibraryEntry> libs = mSharedLibraries.values().iterator(); 1250 while (libs.hasNext()) { 1251 String lib = libs.next().path; 1252 if (lib == null) { 1253 continue; 1254 } 1255 try { 1256 if (dalvik.system.DexFile.isDexOptNeededInternal(lib, null, false)) { 1257 alreadyDexOpted.add(lib); 1258 mInstaller.dexopt(lib, Process.SYSTEM_UID, true); 1259 didDexOpt = true; 1260 } 1261 } catch (FileNotFoundException e) { 1262 Slog.w(TAG, "Library not found: " + lib); 1263 } catch (IOException e) { 1264 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1265 + e.getMessage()); 1266 } 1267 } 1268 } 1269 1270 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1271 1272 // Gross hack for now: we know this file doesn't contain any 1273 // code, so don't dexopt it to avoid the resulting log spew. 1274 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1275 1276 // Gross hack for now: we know this file is only part of 1277 // the boot class path for art, so don't dexopt it to 1278 // avoid the resulting log spew. 1279 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1280 1281 /** 1282 * And there are a number of commands implemented in Java, which 1283 * we currently need to do the dexopt on so that they can be 1284 * run from a non-root shell. 1285 */ 1286 String[] frameworkFiles = frameworkDir.list(); 1287 if (frameworkFiles != null) { 1288 for (int i=0; i<frameworkFiles.length; i++) { 1289 File libPath = new File(frameworkDir, frameworkFiles[i]); 1290 String path = libPath.getPath(); 1291 // Skip the file if we alrady did it. 1292 if (alreadyDexOpted.contains(path)) { 1293 continue; 1294 } 1295 // Skip the file if it is not a type we want to dexopt. 1296 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1297 continue; 1298 } 1299 try { 1300 if (dalvik.system.DexFile.isDexOptNeededInternal(path, null, false)) { 1301 mInstaller.dexopt(path, Process.SYSTEM_UID, true); 1302 didDexOpt = true; 1303 } 1304 } catch (FileNotFoundException e) { 1305 Slog.w(TAG, "Jar not found: " + path); 1306 } catch (IOException e) { 1307 Slog.w(TAG, "Exception reading jar: " + path, e); 1308 } 1309 } 1310 } 1311 1312 if (didDexOpt) { 1313 File dalvikCacheDir = new File(dataDir, "dalvik-cache"); 1314 1315 // If we had to do a dexopt of one of the previous 1316 // things, then something on the system has changed. 1317 // Consider this significant, and wipe away all other 1318 // existing dexopt files to ensure we don't leave any 1319 // dangling around. 1320 String[] files = dalvikCacheDir.list(); 1321 if (files != null) { 1322 for (int i=0; i<files.length; i++) { 1323 String fn = files[i]; 1324 if (fn.startsWith("data@app@") 1325 || fn.startsWith("data@app-private@")) { 1326 Slog.i(TAG, "Pruning dalvik file: " + fn); 1327 (new File(dalvikCacheDir, fn)).delete(); 1328 } 1329 } 1330 } 1331 } 1332 1333 // Collect vendor overlay packages. 1334 // (Do this before scanning any apps.) 1335 // For security and version matching reason, only consider 1336 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1337 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1338 mVendorOverlayInstallObserver = new AppDirObserver( 1339 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1340 mVendorOverlayInstallObserver.startWatching(); 1341 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1342 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1343 1344 // Find base frameworks (resource packages without code). 1345 mFrameworkInstallObserver = new AppDirObserver( 1346 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1347 mFrameworkInstallObserver.startWatching(); 1348 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1349 | PackageParser.PARSE_IS_SYSTEM_DIR 1350 | PackageParser.PARSE_IS_PRIVILEGED, 1351 scanMode | SCAN_NO_DEX, 0); 1352 1353 // Collected privileged system packages. 1354 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1355 mPrivilegedInstallObserver = new AppDirObserver( 1356 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1357 mPrivilegedInstallObserver.startWatching(); 1358 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1359 | PackageParser.PARSE_IS_SYSTEM_DIR 1360 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1361 1362 // Collect ordinary system packages. 1363 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1364 mSystemInstallObserver = new AppDirObserver( 1365 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1366 mSystemInstallObserver.startWatching(); 1367 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1368 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1369 1370 // Collect all vendor packages. 1371 File vendorAppDir = new File("/vendor/app"); 1372 try { 1373 vendorAppDir = vendorAppDir.getCanonicalFile(); 1374 } catch (IOException e) { 1375 // failed to look up canonical path, continue with original one 1376 } 1377 mVendorInstallObserver = new AppDirObserver( 1378 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1379 mVendorInstallObserver.startWatching(); 1380 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1381 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1382 1383 // Collect all OEM packages. 1384 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1385 mOemInstallObserver = new AppDirObserver( 1386 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1387 mOemInstallObserver.startWatching(); 1388 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1389 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1390 1391 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1392 mInstaller.moveFiles(); 1393 1394 // Prune any system packages that no longer exist. 1395 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1396 if (!mOnlyCore) { 1397 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1398 while (psit.hasNext()) { 1399 PackageSetting ps = psit.next(); 1400 1401 /* 1402 * If this is not a system app, it can't be a 1403 * disable system app. 1404 */ 1405 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1406 continue; 1407 } 1408 1409 /* 1410 * If the package is scanned, it's not erased. 1411 */ 1412 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1413 if (scannedPkg != null) { 1414 /* 1415 * If the system app is both scanned and in the 1416 * disabled packages list, then it must have been 1417 * added via OTA. Remove it from the currently 1418 * scanned package so the previously user-installed 1419 * application can be scanned. 1420 */ 1421 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1422 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1423 + "; removing system app"); 1424 removePackageLI(ps, true); 1425 } 1426 1427 continue; 1428 } 1429 1430 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1431 psit.remove(); 1432 String msg = "System package " + ps.name 1433 + " no longer exists; wiping its data"; 1434 reportSettingsProblem(Log.WARN, msg); 1435 removeDataDirsLI(ps.name); 1436 } else { 1437 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1438 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1439 possiblyDeletedUpdatedSystemApps.add(ps.name); 1440 } 1441 } 1442 } 1443 } 1444 1445 //look for any incomplete package installations 1446 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1447 //clean up list 1448 for(int i = 0; i < deletePkgsList.size(); i++) { 1449 //clean up here 1450 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1451 } 1452 //delete tmp files 1453 deleteTempPackageFiles(); 1454 1455 // Remove any shared userIDs that have no associated packages 1456 mSettings.pruneSharedUsersLPw(); 1457 1458 if (!mOnlyCore) { 1459 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1460 SystemClock.uptimeMillis()); 1461 mAppInstallObserver = new AppDirObserver( 1462 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1463 mAppInstallObserver.startWatching(); 1464 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1465 1466 mDrmAppInstallObserver = new AppDirObserver( 1467 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1468 mDrmAppInstallObserver.startWatching(); 1469 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1470 scanMode, 0); 1471 1472 /** 1473 * Remove disable package settings for any updated system 1474 * apps that were removed via an OTA. If they're not a 1475 * previously-updated app, remove them completely. 1476 * Otherwise, just revoke their system-level permissions. 1477 */ 1478 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1479 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1480 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1481 1482 String msg; 1483 if (deletedPkg == null) { 1484 msg = "Updated system package " + deletedAppName 1485 + " no longer exists; wiping its data"; 1486 removeDataDirsLI(deletedAppName); 1487 } else { 1488 msg = "Updated system app + " + deletedAppName 1489 + " no longer present; removing system privileges for " 1490 + deletedAppName; 1491 1492 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1493 1494 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1495 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1496 } 1497 reportSettingsProblem(Log.WARN, msg); 1498 } 1499 } else { 1500 mAppInstallObserver = null; 1501 mDrmAppInstallObserver = null; 1502 } 1503 1504 // Now that we know all of the shared libraries, update all clients to have 1505 // the correct library paths. 1506 updateAllSharedLibrariesLPw(); 1507 1508 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1509 SystemClock.uptimeMillis()); 1510 Slog.i(TAG, "Time to scan packages: " 1511 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1512 + " seconds"); 1513 1514 // If the platform SDK has changed since the last time we booted, 1515 // we need to re-grant app permission to catch any new ones that 1516 // appear. This is really a hack, and means that apps can in some 1517 // cases get permissions that the user didn't initially explicitly 1518 // allow... it would be nice to have some better way to handle 1519 // this situation. 1520 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1521 != mSdkVersion; 1522 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1523 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1524 + "; regranting permissions for internal storage"); 1525 mSettings.mInternalSdkPlatform = mSdkVersion; 1526 1527 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1528 | (regrantPermissions 1529 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1530 : 0)); 1531 1532 // If this is the first boot, and it is a normal boot, then 1533 // we need to initialize the default preferred apps. 1534 if (!mRestoredSettings && !onlyCore) { 1535 mSettings.readDefaultPreferredAppsLPw(this, 0); 1536 } 1537 1538 // All the changes are done during package scanning. 1539 mSettings.updateInternalDatabaseVersion(); 1540 1541 // can downgrade to reader 1542 mSettings.writeLPr(); 1543 1544 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1545 SystemClock.uptimeMillis()); 1546 1547 // Now after opening every single application zip, make sure they 1548 // are all flushed. Not really needed, but keeps things nice and 1549 // tidy. 1550 Runtime.getRuntime().gc(); 1551 1552 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1553 } // synchronized (mPackages) 1554 } // synchronized (mInstallLock) 1555 } 1556 1557 public boolean isFirstBoot() { 1558 return !mRestoredSettings; 1559 } 1560 1561 public boolean isOnlyCoreApps() { 1562 return mOnlyCore; 1563 } 1564 1565 private String getRequiredVerifierLPr() { 1566 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1567 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1568 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1569 1570 String requiredVerifier = null; 1571 1572 final int N = receivers.size(); 1573 for (int i = 0; i < N; i++) { 1574 final ResolveInfo info = receivers.get(i); 1575 1576 if (info.activityInfo == null) { 1577 continue; 1578 } 1579 1580 final String packageName = info.activityInfo.packageName; 1581 1582 final PackageSetting ps = mSettings.mPackages.get(packageName); 1583 if (ps == null) { 1584 continue; 1585 } 1586 1587 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1588 if (!gp.grantedPermissions 1589 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1590 continue; 1591 } 1592 1593 if (requiredVerifier != null) { 1594 throw new RuntimeException("There can be only one required verifier"); 1595 } 1596 1597 requiredVerifier = packageName; 1598 } 1599 1600 return requiredVerifier; 1601 } 1602 1603 @Override 1604 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1605 throws RemoteException { 1606 try { 1607 return super.onTransact(code, data, reply, flags); 1608 } catch (RuntimeException e) { 1609 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1610 Slog.wtf(TAG, "Package Manager Crash", e); 1611 } 1612 throw e; 1613 } 1614 } 1615 1616 void cleanupInstallFailedPackage(PackageSetting ps) { 1617 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1618 removeDataDirsLI(ps.name); 1619 if (ps.codePath != null) { 1620 if (!ps.codePath.delete()) { 1621 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1622 } 1623 } 1624 if (ps.resourcePath != null) { 1625 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1626 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1627 } 1628 } 1629 mSettings.removePackageLPw(ps.name); 1630 } 1631 1632 void readPermissions(File libraryDir, boolean onlyFeatures) { 1633 // Read permissions from .../etc/permission directory. 1634 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1635 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1636 return; 1637 } 1638 if (!libraryDir.canRead()) { 1639 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1640 return; 1641 } 1642 1643 // Iterate over the files in the directory and scan .xml files 1644 for (File f : libraryDir.listFiles()) { 1645 // We'll read platform.xml last 1646 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1647 continue; 1648 } 1649 1650 if (!f.getPath().endsWith(".xml")) { 1651 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1652 continue; 1653 } 1654 if (!f.canRead()) { 1655 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1656 continue; 1657 } 1658 1659 readPermissionsFromXml(f, onlyFeatures); 1660 } 1661 1662 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1663 final File permFile = new File(Environment.getRootDirectory(), 1664 "etc/permissions/platform.xml"); 1665 readPermissionsFromXml(permFile, onlyFeatures); 1666 } 1667 1668 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1669 FileReader permReader = null; 1670 try { 1671 permReader = new FileReader(permFile); 1672 } catch (FileNotFoundException e) { 1673 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1674 return; 1675 } 1676 1677 try { 1678 XmlPullParser parser = Xml.newPullParser(); 1679 parser.setInput(permReader); 1680 1681 XmlUtils.beginDocument(parser, "permissions"); 1682 1683 while (true) { 1684 XmlUtils.nextElement(parser); 1685 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1686 break; 1687 } 1688 1689 String name = parser.getName(); 1690 if ("group".equals(name) && !onlyFeatures) { 1691 String gidStr = parser.getAttributeValue(null, "gid"); 1692 if (gidStr != null) { 1693 int gid = Process.getGidForName(gidStr); 1694 mGlobalGids = appendInt(mGlobalGids, gid); 1695 } else { 1696 Slog.w(TAG, "<group> without gid at " 1697 + parser.getPositionDescription()); 1698 } 1699 1700 XmlUtils.skipCurrentTag(parser); 1701 continue; 1702 } else if ("permission".equals(name) && !onlyFeatures) { 1703 String perm = parser.getAttributeValue(null, "name"); 1704 if (perm == null) { 1705 Slog.w(TAG, "<permission> without name at " 1706 + parser.getPositionDescription()); 1707 XmlUtils.skipCurrentTag(parser); 1708 continue; 1709 } 1710 perm = perm.intern(); 1711 readPermission(parser, perm); 1712 1713 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1714 String perm = parser.getAttributeValue(null, "name"); 1715 if (perm == null) { 1716 Slog.w(TAG, "<assign-permission> without name at " 1717 + parser.getPositionDescription()); 1718 XmlUtils.skipCurrentTag(parser); 1719 continue; 1720 } 1721 String uidStr = parser.getAttributeValue(null, "uid"); 1722 if (uidStr == null) { 1723 Slog.w(TAG, "<assign-permission> without uid at " 1724 + parser.getPositionDescription()); 1725 XmlUtils.skipCurrentTag(parser); 1726 continue; 1727 } 1728 int uid = Process.getUidForName(uidStr); 1729 if (uid < 0) { 1730 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1731 + uidStr + "\" at " 1732 + parser.getPositionDescription()); 1733 XmlUtils.skipCurrentTag(parser); 1734 continue; 1735 } 1736 perm = perm.intern(); 1737 HashSet<String> perms = mSystemPermissions.get(uid); 1738 if (perms == null) { 1739 perms = new HashSet<String>(); 1740 mSystemPermissions.put(uid, perms); 1741 } 1742 perms.add(perm); 1743 XmlUtils.skipCurrentTag(parser); 1744 1745 } else if ("library".equals(name) && !onlyFeatures) { 1746 String lname = parser.getAttributeValue(null, "name"); 1747 String lfile = parser.getAttributeValue(null, "file"); 1748 if (lname == null) { 1749 Slog.w(TAG, "<library> without name at " 1750 + parser.getPositionDescription()); 1751 } else if (lfile == null) { 1752 Slog.w(TAG, "<library> without file at " 1753 + parser.getPositionDescription()); 1754 } else { 1755 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1756 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1757 } 1758 XmlUtils.skipCurrentTag(parser); 1759 continue; 1760 1761 } else if ("feature".equals(name)) { 1762 String fname = parser.getAttributeValue(null, "name"); 1763 if (fname == null) { 1764 Slog.w(TAG, "<feature> without name at " 1765 + parser.getPositionDescription()); 1766 } else { 1767 //Log.i(TAG, "Got feature " + fname); 1768 FeatureInfo fi = new FeatureInfo(); 1769 fi.name = fname; 1770 mAvailableFeatures.put(fname, fi); 1771 } 1772 XmlUtils.skipCurrentTag(parser); 1773 continue; 1774 1775 } else { 1776 XmlUtils.skipCurrentTag(parser); 1777 continue; 1778 } 1779 1780 } 1781 permReader.close(); 1782 } catch (XmlPullParserException e) { 1783 Slog.w(TAG, "Got execption parsing permissions.", e); 1784 } catch (IOException e) { 1785 Slog.w(TAG, "Got execption parsing permissions.", e); 1786 } 1787 } 1788 1789 void readPermission(XmlPullParser parser, String name) 1790 throws IOException, XmlPullParserException { 1791 1792 name = name.intern(); 1793 1794 BasePermission bp = mSettings.mPermissions.get(name); 1795 if (bp == null) { 1796 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1797 mSettings.mPermissions.put(name, bp); 1798 } 1799 int outerDepth = parser.getDepth(); 1800 int type; 1801 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1802 && (type != XmlPullParser.END_TAG 1803 || parser.getDepth() > outerDepth)) { 1804 if (type == XmlPullParser.END_TAG 1805 || type == XmlPullParser.TEXT) { 1806 continue; 1807 } 1808 1809 String tagName = parser.getName(); 1810 if ("group".equals(tagName)) { 1811 String gidStr = parser.getAttributeValue(null, "gid"); 1812 if (gidStr != null) { 1813 int gid = Process.getGidForName(gidStr); 1814 bp.gids = appendInt(bp.gids, gid); 1815 } else { 1816 Slog.w(TAG, "<group> without gid at " 1817 + parser.getPositionDescription()); 1818 } 1819 } 1820 XmlUtils.skipCurrentTag(parser); 1821 } 1822 } 1823 1824 static int[] appendInts(int[] cur, int[] add) { 1825 if (add == null) return cur; 1826 if (cur == null) return add; 1827 final int N = add.length; 1828 for (int i=0; i<N; i++) { 1829 cur = appendInt(cur, add[i]); 1830 } 1831 return cur; 1832 } 1833 1834 static int[] removeInts(int[] cur, int[] rem) { 1835 if (rem == null) return cur; 1836 if (cur == null) return cur; 1837 final int N = rem.length; 1838 for (int i=0; i<N; i++) { 1839 cur = removeInt(cur, rem[i]); 1840 } 1841 return cur; 1842 } 1843 1844 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1845 if (!sUserManager.exists(userId)) return null; 1846 PackageInfo pi; 1847 final PackageSetting ps = (PackageSetting) p.mExtras; 1848 if (ps == null) { 1849 return null; 1850 } 1851 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1852 final PackageUserState state = ps.readUserState(userId); 1853 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1854 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1855 state, userId); 1856 } 1857 1858 public boolean isPackageAvailable(String packageName, int userId) { 1859 if (!sUserManager.exists(userId)) return false; 1860 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1861 synchronized (mPackages) { 1862 PackageParser.Package p = mPackages.get(packageName); 1863 if (p != null) { 1864 final PackageSetting ps = (PackageSetting) p.mExtras; 1865 if (ps != null) { 1866 final PackageUserState state = ps.readUserState(userId); 1867 if (state != null) { 1868 return PackageParser.isAvailable(state); 1869 } 1870 } 1871 } 1872 } 1873 return false; 1874 } 1875 1876 @Override 1877 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1878 if (!sUserManager.exists(userId)) return null; 1879 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1880 // reader 1881 synchronized (mPackages) { 1882 PackageParser.Package p = mPackages.get(packageName); 1883 if (DEBUG_PACKAGE_INFO) 1884 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1885 if (p != null) { 1886 return generatePackageInfo(p, flags, userId); 1887 } 1888 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1889 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1890 } 1891 } 1892 return null; 1893 } 1894 1895 public String[] currentToCanonicalPackageNames(String[] names) { 1896 String[] out = new String[names.length]; 1897 // reader 1898 synchronized (mPackages) { 1899 for (int i=names.length-1; i>=0; i--) { 1900 PackageSetting ps = mSettings.mPackages.get(names[i]); 1901 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1902 } 1903 } 1904 return out; 1905 } 1906 1907 public String[] canonicalToCurrentPackageNames(String[] names) { 1908 String[] out = new String[names.length]; 1909 // reader 1910 synchronized (mPackages) { 1911 for (int i=names.length-1; i>=0; i--) { 1912 String cur = mSettings.mRenamedPackages.get(names[i]); 1913 out[i] = cur != null ? cur : names[i]; 1914 } 1915 } 1916 return out; 1917 } 1918 1919 @Override 1920 public int getPackageUid(String packageName, int userId) { 1921 if (!sUserManager.exists(userId)) return -1; 1922 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1923 // reader 1924 synchronized (mPackages) { 1925 PackageParser.Package p = mPackages.get(packageName); 1926 if(p != null) { 1927 return UserHandle.getUid(userId, p.applicationInfo.uid); 1928 } 1929 PackageSetting ps = mSettings.mPackages.get(packageName); 1930 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1931 return -1; 1932 } 1933 p = ps.pkg; 1934 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1935 } 1936 } 1937 1938 @Override 1939 public int[] getPackageGids(String packageName) { 1940 // reader 1941 synchronized (mPackages) { 1942 PackageParser.Package p = mPackages.get(packageName); 1943 if (DEBUG_PACKAGE_INFO) 1944 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1945 if (p != null) { 1946 final PackageSetting ps = (PackageSetting)p.mExtras; 1947 return ps.getGids(); 1948 } 1949 } 1950 // stupid thing to indicate an error. 1951 return new int[0]; 1952 } 1953 1954 static final PermissionInfo generatePermissionInfo( 1955 BasePermission bp, int flags) { 1956 if (bp.perm != null) { 1957 return PackageParser.generatePermissionInfo(bp.perm, flags); 1958 } 1959 PermissionInfo pi = new PermissionInfo(); 1960 pi.name = bp.name; 1961 pi.packageName = bp.sourcePackage; 1962 pi.nonLocalizedLabel = bp.name; 1963 pi.protectionLevel = bp.protectionLevel; 1964 return pi; 1965 } 1966 1967 public PermissionInfo getPermissionInfo(String name, int flags) { 1968 // reader 1969 synchronized (mPackages) { 1970 final BasePermission p = mSettings.mPermissions.get(name); 1971 if (p != null) { 1972 return generatePermissionInfo(p, flags); 1973 } 1974 return null; 1975 } 1976 } 1977 1978 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 1979 // reader 1980 synchronized (mPackages) { 1981 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 1982 for (BasePermission p : mSettings.mPermissions.values()) { 1983 if (group == null) { 1984 if (p.perm == null || p.perm.info.group == null) { 1985 out.add(generatePermissionInfo(p, flags)); 1986 } 1987 } else { 1988 if (p.perm != null && group.equals(p.perm.info.group)) { 1989 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 1990 } 1991 } 1992 } 1993 1994 if (out.size() > 0) { 1995 return out; 1996 } 1997 return mPermissionGroups.containsKey(group) ? out : null; 1998 } 1999 } 2000 2001 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2002 // reader 2003 synchronized (mPackages) { 2004 return PackageParser.generatePermissionGroupInfo( 2005 mPermissionGroups.get(name), flags); 2006 } 2007 } 2008 2009 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2010 // reader 2011 synchronized (mPackages) { 2012 final int N = mPermissionGroups.size(); 2013 ArrayList<PermissionGroupInfo> out 2014 = new ArrayList<PermissionGroupInfo>(N); 2015 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2016 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2017 } 2018 return out; 2019 } 2020 } 2021 2022 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2023 int userId) { 2024 if (!sUserManager.exists(userId)) return null; 2025 PackageSetting ps = mSettings.mPackages.get(packageName); 2026 if (ps != null) { 2027 if (ps.pkg == null) { 2028 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2029 flags, userId); 2030 if (pInfo != null) { 2031 return pInfo.applicationInfo; 2032 } 2033 return null; 2034 } 2035 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2036 ps.readUserState(userId), userId); 2037 } 2038 return null; 2039 } 2040 2041 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2042 int userId) { 2043 if (!sUserManager.exists(userId)) return null; 2044 PackageSetting ps = mSettings.mPackages.get(packageName); 2045 if (ps != null) { 2046 PackageParser.Package pkg = ps.pkg; 2047 if (pkg == null) { 2048 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2049 return null; 2050 } 2051 pkg = new PackageParser.Package(packageName); 2052 pkg.applicationInfo.packageName = packageName; 2053 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2054 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2055 pkg.applicationInfo.sourceDir = ps.codePathString; 2056 pkg.applicationInfo.dataDir = 2057 getDataPathForPackage(packageName, 0).getPath(); 2058 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2059 pkg.applicationInfo.requiredCpuAbi = ps.requiredCpuAbiString; 2060 } 2061 return generatePackageInfo(pkg, flags, userId); 2062 } 2063 return null; 2064 } 2065 2066 @Override 2067 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2068 if (!sUserManager.exists(userId)) return null; 2069 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2070 // writer 2071 synchronized (mPackages) { 2072 PackageParser.Package p = mPackages.get(packageName); 2073 if (DEBUG_PACKAGE_INFO) Log.v( 2074 TAG, "getApplicationInfo " + packageName 2075 + ": " + p); 2076 if (p != null) { 2077 PackageSetting ps = mSettings.mPackages.get(packageName); 2078 if (ps == null) return null; 2079 // Note: isEnabledLP() does not apply here - always return info 2080 return PackageParser.generateApplicationInfo( 2081 p, flags, ps.readUserState(userId), userId); 2082 } 2083 if ("android".equals(packageName)||"system".equals(packageName)) { 2084 return mAndroidApplication; 2085 } 2086 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2087 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2088 } 2089 } 2090 return null; 2091 } 2092 2093 2094 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2095 mContext.enforceCallingOrSelfPermission( 2096 android.Manifest.permission.CLEAR_APP_CACHE, null); 2097 // Queue up an async operation since clearing cache may take a little while. 2098 mHandler.post(new Runnable() { 2099 public void run() { 2100 mHandler.removeCallbacks(this); 2101 int retCode = -1; 2102 synchronized (mInstallLock) { 2103 retCode = mInstaller.freeCache(freeStorageSize); 2104 if (retCode < 0) { 2105 Slog.w(TAG, "Couldn't clear application caches"); 2106 } 2107 } 2108 if (observer != null) { 2109 try { 2110 observer.onRemoveCompleted(null, (retCode >= 0)); 2111 } catch (RemoteException e) { 2112 Slog.w(TAG, "RemoveException when invoking call back"); 2113 } 2114 } 2115 } 2116 }); 2117 } 2118 2119 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2120 mContext.enforceCallingOrSelfPermission( 2121 android.Manifest.permission.CLEAR_APP_CACHE, null); 2122 // Queue up an async operation since clearing cache may take a little while. 2123 mHandler.post(new Runnable() { 2124 public void run() { 2125 mHandler.removeCallbacks(this); 2126 int retCode = -1; 2127 synchronized (mInstallLock) { 2128 retCode = mInstaller.freeCache(freeStorageSize); 2129 if (retCode < 0) { 2130 Slog.w(TAG, "Couldn't clear application caches"); 2131 } 2132 } 2133 if(pi != null) { 2134 try { 2135 // Callback via pending intent 2136 int code = (retCode >= 0) ? 1 : 0; 2137 pi.sendIntent(null, code, null, 2138 null, null); 2139 } catch (SendIntentException e1) { 2140 Slog.i(TAG, "Failed to send pending intent"); 2141 } 2142 } 2143 } 2144 }); 2145 } 2146 2147 @Override 2148 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2149 if (!sUserManager.exists(userId)) return null; 2150 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2151 synchronized (mPackages) { 2152 PackageParser.Activity a = mActivities.mActivities.get(component); 2153 2154 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2155 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2156 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2157 if (ps == null) return null; 2158 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2159 userId); 2160 } 2161 if (mResolveComponentName.equals(component)) { 2162 return mResolveActivity; 2163 } 2164 } 2165 return null; 2166 } 2167 2168 @Override 2169 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2170 String resolvedType) { 2171 synchronized (mPackages) { 2172 PackageParser.Activity a = mActivities.mActivities.get(component); 2173 if (a == null) { 2174 return false; 2175 } 2176 for (int i=0; i<a.intents.size(); i++) { 2177 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2178 intent.getData(), intent.getCategories(), TAG) >= 0) { 2179 return true; 2180 } 2181 } 2182 return false; 2183 } 2184 } 2185 2186 @Override 2187 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2188 if (!sUserManager.exists(userId)) return null; 2189 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2190 synchronized (mPackages) { 2191 PackageParser.Activity a = mReceivers.mActivities.get(component); 2192 if (DEBUG_PACKAGE_INFO) Log.v( 2193 TAG, "getReceiverInfo " + component + ": " + a); 2194 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2195 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2196 if (ps == null) return null; 2197 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2198 userId); 2199 } 2200 } 2201 return null; 2202 } 2203 2204 @Override 2205 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2206 if (!sUserManager.exists(userId)) return null; 2207 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2208 synchronized (mPackages) { 2209 PackageParser.Service s = mServices.mServices.get(component); 2210 if (DEBUG_PACKAGE_INFO) Log.v( 2211 TAG, "getServiceInfo " + component + ": " + s); 2212 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2213 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2214 if (ps == null) return null; 2215 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2216 userId); 2217 } 2218 } 2219 return null; 2220 } 2221 2222 @Override 2223 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2224 if (!sUserManager.exists(userId)) return null; 2225 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2226 synchronized (mPackages) { 2227 PackageParser.Provider p = mProviders.mProviders.get(component); 2228 if (DEBUG_PACKAGE_INFO) Log.v( 2229 TAG, "getProviderInfo " + component + ": " + p); 2230 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2231 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2232 if (ps == null) return null; 2233 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2234 userId); 2235 } 2236 } 2237 return null; 2238 } 2239 2240 public String[] getSystemSharedLibraryNames() { 2241 Set<String> libSet; 2242 synchronized (mPackages) { 2243 libSet = mSharedLibraries.keySet(); 2244 int size = libSet.size(); 2245 if (size > 0) { 2246 String[] libs = new String[size]; 2247 libSet.toArray(libs); 2248 return libs; 2249 } 2250 } 2251 return null; 2252 } 2253 2254 public FeatureInfo[] getSystemAvailableFeatures() { 2255 Collection<FeatureInfo> featSet; 2256 synchronized (mPackages) { 2257 featSet = mAvailableFeatures.values(); 2258 int size = featSet.size(); 2259 if (size > 0) { 2260 FeatureInfo[] features = new FeatureInfo[size+1]; 2261 featSet.toArray(features); 2262 FeatureInfo fi = new FeatureInfo(); 2263 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2264 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2265 features[size] = fi; 2266 return features; 2267 } 2268 } 2269 return null; 2270 } 2271 2272 public boolean hasSystemFeature(String name) { 2273 synchronized (mPackages) { 2274 return mAvailableFeatures.containsKey(name); 2275 } 2276 } 2277 2278 private void checkValidCaller(int uid, int userId) { 2279 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2280 return; 2281 2282 throw new SecurityException("Caller uid=" + uid 2283 + " is not privileged to communicate with user=" + userId); 2284 } 2285 2286 public int checkPermission(String permName, String pkgName) { 2287 synchronized (mPackages) { 2288 PackageParser.Package p = mPackages.get(pkgName); 2289 if (p != null && p.mExtras != null) { 2290 PackageSetting ps = (PackageSetting)p.mExtras; 2291 if (ps.sharedUser != null) { 2292 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2293 return PackageManager.PERMISSION_GRANTED; 2294 } 2295 } else if (ps.grantedPermissions.contains(permName)) { 2296 return PackageManager.PERMISSION_GRANTED; 2297 } 2298 } 2299 } 2300 return PackageManager.PERMISSION_DENIED; 2301 } 2302 2303 public int checkUidPermission(String permName, int uid) { 2304 synchronized (mPackages) { 2305 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2306 if (obj != null) { 2307 GrantedPermissions gp = (GrantedPermissions)obj; 2308 if (gp.grantedPermissions.contains(permName)) { 2309 return PackageManager.PERMISSION_GRANTED; 2310 } 2311 } else { 2312 HashSet<String> perms = mSystemPermissions.get(uid); 2313 if (perms != null && perms.contains(permName)) { 2314 return PackageManager.PERMISSION_GRANTED; 2315 } 2316 } 2317 } 2318 return PackageManager.PERMISSION_DENIED; 2319 } 2320 2321 /** 2322 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2323 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2324 * @param message the message to log on security exception 2325 * @return 2326 */ 2327 private void enforceCrossUserPermission(int callingUid, int userId, 2328 boolean requireFullPermission, String message) { 2329 if (userId < 0) { 2330 throw new IllegalArgumentException("Invalid userId " + userId); 2331 } 2332 if (userId == UserHandle.getUserId(callingUid)) return; 2333 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2334 if (requireFullPermission) { 2335 mContext.enforceCallingOrSelfPermission( 2336 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2337 } else { 2338 try { 2339 mContext.enforceCallingOrSelfPermission( 2340 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2341 } catch (SecurityException se) { 2342 mContext.enforceCallingOrSelfPermission( 2343 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2344 } 2345 } 2346 } 2347 } 2348 2349 private BasePermission findPermissionTreeLP(String permName) { 2350 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2351 if (permName.startsWith(bp.name) && 2352 permName.length() > bp.name.length() && 2353 permName.charAt(bp.name.length()) == '.') { 2354 return bp; 2355 } 2356 } 2357 return null; 2358 } 2359 2360 private BasePermission checkPermissionTreeLP(String permName) { 2361 if (permName != null) { 2362 BasePermission bp = findPermissionTreeLP(permName); 2363 if (bp != null) { 2364 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2365 return bp; 2366 } 2367 throw new SecurityException("Calling uid " 2368 + Binder.getCallingUid() 2369 + " is not allowed to add to permission tree " 2370 + bp.name + " owned by uid " + bp.uid); 2371 } 2372 } 2373 throw new SecurityException("No permission tree found for " + permName); 2374 } 2375 2376 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2377 if (s1 == null) { 2378 return s2 == null; 2379 } 2380 if (s2 == null) { 2381 return false; 2382 } 2383 if (s1.getClass() != s2.getClass()) { 2384 return false; 2385 } 2386 return s1.equals(s2); 2387 } 2388 2389 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2390 if (pi1.icon != pi2.icon) return false; 2391 if (pi1.logo != pi2.logo) return false; 2392 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2393 if (!compareStrings(pi1.name, pi2.name)) return false; 2394 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2395 // We'll take care of setting this one. 2396 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2397 // These are not currently stored in settings. 2398 //if (!compareStrings(pi1.group, pi2.group)) return false; 2399 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2400 //if (pi1.labelRes != pi2.labelRes) return false; 2401 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2402 return true; 2403 } 2404 2405 int permissionInfoFootprint(PermissionInfo info) { 2406 int size = info.name.length(); 2407 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2408 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2409 return size; 2410 } 2411 2412 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2413 int size = 0; 2414 for (BasePermission perm : mSettings.mPermissions.values()) { 2415 if (perm.uid == tree.uid) { 2416 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2417 } 2418 } 2419 return size; 2420 } 2421 2422 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2423 // We calculate the max size of permissions defined by this uid and throw 2424 // if that plus the size of 'info' would exceed our stated maximum. 2425 if (tree.uid != Process.SYSTEM_UID) { 2426 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2427 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2428 throw new SecurityException("Permission tree size cap exceeded"); 2429 } 2430 } 2431 } 2432 2433 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2434 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2435 throw new SecurityException("Label must be specified in permission"); 2436 } 2437 BasePermission tree = checkPermissionTreeLP(info.name); 2438 BasePermission bp = mSettings.mPermissions.get(info.name); 2439 boolean added = bp == null; 2440 boolean changed = true; 2441 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2442 if (added) { 2443 enforcePermissionCapLocked(info, tree); 2444 bp = new BasePermission(info.name, tree.sourcePackage, 2445 BasePermission.TYPE_DYNAMIC); 2446 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2447 throw new SecurityException( 2448 "Not allowed to modify non-dynamic permission " 2449 + info.name); 2450 } else { 2451 if (bp.protectionLevel == fixedLevel 2452 && bp.perm.owner.equals(tree.perm.owner) 2453 && bp.uid == tree.uid 2454 && comparePermissionInfos(bp.perm.info, info)) { 2455 changed = false; 2456 } 2457 } 2458 bp.protectionLevel = fixedLevel; 2459 info = new PermissionInfo(info); 2460 info.protectionLevel = fixedLevel; 2461 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2462 bp.perm.info.packageName = tree.perm.info.packageName; 2463 bp.uid = tree.uid; 2464 if (added) { 2465 mSettings.mPermissions.put(info.name, bp); 2466 } 2467 if (changed) { 2468 if (!async) { 2469 mSettings.writeLPr(); 2470 } else { 2471 scheduleWriteSettingsLocked(); 2472 } 2473 } 2474 return added; 2475 } 2476 2477 public boolean addPermission(PermissionInfo info) { 2478 synchronized (mPackages) { 2479 return addPermissionLocked(info, false); 2480 } 2481 } 2482 2483 public boolean addPermissionAsync(PermissionInfo info) { 2484 synchronized (mPackages) { 2485 return addPermissionLocked(info, true); 2486 } 2487 } 2488 2489 public void removePermission(String name) { 2490 synchronized (mPackages) { 2491 checkPermissionTreeLP(name); 2492 BasePermission bp = mSettings.mPermissions.get(name); 2493 if (bp != null) { 2494 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2495 throw new SecurityException( 2496 "Not allowed to modify non-dynamic permission " 2497 + name); 2498 } 2499 mSettings.mPermissions.remove(name); 2500 mSettings.writeLPr(); 2501 } 2502 } 2503 } 2504 2505 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2506 int index = pkg.requestedPermissions.indexOf(bp.name); 2507 if (index == -1) { 2508 throw new SecurityException("Package " + pkg.packageName 2509 + " has not requested permission " + bp.name); 2510 } 2511 boolean isNormal = 2512 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2513 == PermissionInfo.PROTECTION_NORMAL); 2514 boolean isDangerous = 2515 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2516 == PermissionInfo.PROTECTION_DANGEROUS); 2517 boolean isDevelopment = 2518 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2519 2520 if (!isNormal && !isDangerous && !isDevelopment) { 2521 throw new SecurityException("Permission " + bp.name 2522 + " is not a changeable permission type"); 2523 } 2524 2525 if (isNormal || isDangerous) { 2526 if (pkg.requestedPermissionsRequired.get(index)) { 2527 throw new SecurityException("Can't change " + bp.name 2528 + ". It is required by the application"); 2529 } 2530 } 2531 } 2532 2533 public void grantPermission(String packageName, String permissionName) { 2534 mContext.enforceCallingOrSelfPermission( 2535 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2536 synchronized (mPackages) { 2537 final PackageParser.Package pkg = mPackages.get(packageName); 2538 if (pkg == null) { 2539 throw new IllegalArgumentException("Unknown package: " + packageName); 2540 } 2541 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2542 if (bp == null) { 2543 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2544 } 2545 2546 checkGrantRevokePermissions(pkg, bp); 2547 2548 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2549 if (ps == null) { 2550 return; 2551 } 2552 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2553 if (gp.grantedPermissions.add(permissionName)) { 2554 if (ps.haveGids) { 2555 gp.gids = appendInts(gp.gids, bp.gids); 2556 } 2557 mSettings.writeLPr(); 2558 } 2559 } 2560 } 2561 2562 public void revokePermission(String packageName, String permissionName) { 2563 int changedAppId = -1; 2564 2565 synchronized (mPackages) { 2566 final PackageParser.Package pkg = mPackages.get(packageName); 2567 if (pkg == null) { 2568 throw new IllegalArgumentException("Unknown package: " + packageName); 2569 } 2570 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2571 mContext.enforceCallingOrSelfPermission( 2572 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2573 } 2574 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2575 if (bp == null) { 2576 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2577 } 2578 2579 checkGrantRevokePermissions(pkg, bp); 2580 2581 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2582 if (ps == null) { 2583 return; 2584 } 2585 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2586 if (gp.grantedPermissions.remove(permissionName)) { 2587 gp.grantedPermissions.remove(permissionName); 2588 if (ps.haveGids) { 2589 gp.gids = removeInts(gp.gids, bp.gids); 2590 } 2591 mSettings.writeLPr(); 2592 changedAppId = ps.appId; 2593 } 2594 } 2595 2596 if (changedAppId >= 0) { 2597 // We changed the perm on someone, kill its processes. 2598 IActivityManager am = ActivityManagerNative.getDefault(); 2599 if (am != null) { 2600 final int callingUserId = UserHandle.getCallingUserId(); 2601 final long ident = Binder.clearCallingIdentity(); 2602 try { 2603 //XXX we should only revoke for the calling user's app permissions, 2604 // but for now we impact all users. 2605 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2606 // "revoke " + permissionName); 2607 int[] users = sUserManager.getUserIds(); 2608 for (int user : users) { 2609 am.killUid(UserHandle.getUid(user, changedAppId), 2610 "revoke " + permissionName); 2611 } 2612 } catch (RemoteException e) { 2613 } finally { 2614 Binder.restoreCallingIdentity(ident); 2615 } 2616 } 2617 } 2618 } 2619 2620 public boolean isProtectedBroadcast(String actionName) { 2621 synchronized (mPackages) { 2622 return mProtectedBroadcasts.contains(actionName); 2623 } 2624 } 2625 2626 public int checkSignatures(String pkg1, String pkg2) { 2627 synchronized (mPackages) { 2628 final PackageParser.Package p1 = mPackages.get(pkg1); 2629 final PackageParser.Package p2 = mPackages.get(pkg2); 2630 if (p1 == null || p1.mExtras == null 2631 || p2 == null || p2.mExtras == null) { 2632 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2633 } 2634 return compareSignatures(p1.mSignatures, p2.mSignatures); 2635 } 2636 } 2637 2638 public int checkUidSignatures(int uid1, int uid2) { 2639 // Map to base uids. 2640 uid1 = UserHandle.getAppId(uid1); 2641 uid2 = UserHandle.getAppId(uid2); 2642 // reader 2643 synchronized (mPackages) { 2644 Signature[] s1; 2645 Signature[] s2; 2646 Object obj = mSettings.getUserIdLPr(uid1); 2647 if (obj != null) { 2648 if (obj instanceof SharedUserSetting) { 2649 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2650 } else if (obj instanceof PackageSetting) { 2651 s1 = ((PackageSetting)obj).signatures.mSignatures; 2652 } else { 2653 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2654 } 2655 } else { 2656 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2657 } 2658 obj = mSettings.getUserIdLPr(uid2); 2659 if (obj != null) { 2660 if (obj instanceof SharedUserSetting) { 2661 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2662 } else if (obj instanceof PackageSetting) { 2663 s2 = ((PackageSetting)obj).signatures.mSignatures; 2664 } else { 2665 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2666 } 2667 } else { 2668 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2669 } 2670 return compareSignatures(s1, s2); 2671 } 2672 } 2673 2674 /** 2675 * Compares two sets of signatures. Returns: 2676 * <br /> 2677 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2678 * <br /> 2679 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2680 * <br /> 2681 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2682 * <br /> 2683 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2684 * <br /> 2685 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2686 */ 2687 static int compareSignatures(Signature[] s1, Signature[] s2) { 2688 if (s1 == null) { 2689 return s2 == null 2690 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2691 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2692 } 2693 2694 if (s2 == null) { 2695 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2696 } 2697 2698 if (s1.length != s2.length) { 2699 return PackageManager.SIGNATURE_NO_MATCH; 2700 } 2701 2702 // Since both signature sets are of size 1, we can compare without HashSets. 2703 if (s1.length == 1) { 2704 return s1[0].equals(s2[0]) ? 2705 PackageManager.SIGNATURE_MATCH : 2706 PackageManager.SIGNATURE_NO_MATCH; 2707 } 2708 2709 HashSet<Signature> set1 = new HashSet<Signature>(); 2710 for (Signature sig : s1) { 2711 set1.add(sig); 2712 } 2713 HashSet<Signature> set2 = new HashSet<Signature>(); 2714 for (Signature sig : s2) { 2715 set2.add(sig); 2716 } 2717 // Make sure s2 contains all signatures in s1. 2718 if (set1.equals(set2)) { 2719 return PackageManager.SIGNATURE_MATCH; 2720 } 2721 return PackageManager.SIGNATURE_NO_MATCH; 2722 } 2723 2724 /** 2725 * If the database version for this type of package (internal storage or 2726 * external storage) is less than the version where package signatures 2727 * were updated, return true. 2728 */ 2729 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2730 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2731 DatabaseVersion.SIGNATURE_END_ENTITY)) 2732 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2733 DatabaseVersion.SIGNATURE_END_ENTITY)); 2734 } 2735 2736 /** 2737 * Used for backward compatibility to make sure any packages with 2738 * certificate chains get upgraded to the new style. {@code existingSigs} 2739 * will be in the old format (since they were stored on disk from before the 2740 * system upgrade) and {@code scannedSigs} will be in the newer format. 2741 */ 2742 private int compareSignaturesCompat(PackageSignatures existingSigs, 2743 PackageParser.Package scannedPkg) { 2744 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2745 return PackageManager.SIGNATURE_NO_MATCH; 2746 } 2747 2748 HashSet<Signature> existingSet = new HashSet<Signature>(); 2749 for (Signature sig : existingSigs.mSignatures) { 2750 existingSet.add(sig); 2751 } 2752 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2753 for (Signature sig : scannedPkg.mSignatures) { 2754 try { 2755 Signature[] chainSignatures = sig.getChainSignatures(); 2756 for (Signature chainSig : chainSignatures) { 2757 scannedCompatSet.add(chainSig); 2758 } 2759 } catch (CertificateEncodingException e) { 2760 scannedCompatSet.add(sig); 2761 } 2762 } 2763 /* 2764 * Make sure the expanded scanned set contains all signatures in the 2765 * existing one. 2766 */ 2767 if (scannedCompatSet.equals(existingSet)) { 2768 // Migrate the old signatures to the new scheme. 2769 existingSigs.assignSignatures(scannedPkg.mSignatures); 2770 // The new KeySets will be re-added later in the scanning process. 2771 mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName); 2772 return PackageManager.SIGNATURE_MATCH; 2773 } 2774 return PackageManager.SIGNATURE_NO_MATCH; 2775 } 2776 2777 public String[] getPackagesForUid(int uid) { 2778 uid = UserHandle.getAppId(uid); 2779 // reader 2780 synchronized (mPackages) { 2781 Object obj = mSettings.getUserIdLPr(uid); 2782 if (obj instanceof SharedUserSetting) { 2783 final SharedUserSetting sus = (SharedUserSetting) obj; 2784 final int N = sus.packages.size(); 2785 final String[] res = new String[N]; 2786 final Iterator<PackageSetting> it = sus.packages.iterator(); 2787 int i = 0; 2788 while (it.hasNext()) { 2789 res[i++] = it.next().name; 2790 } 2791 return res; 2792 } else if (obj instanceof PackageSetting) { 2793 final PackageSetting ps = (PackageSetting) obj; 2794 return new String[] { ps.name }; 2795 } 2796 } 2797 return null; 2798 } 2799 2800 public String getNameForUid(int uid) { 2801 // reader 2802 synchronized (mPackages) { 2803 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2804 if (obj instanceof SharedUserSetting) { 2805 final SharedUserSetting sus = (SharedUserSetting) obj; 2806 return sus.name + ":" + sus.userId; 2807 } else if (obj instanceof PackageSetting) { 2808 final PackageSetting ps = (PackageSetting) obj; 2809 return ps.name; 2810 } 2811 } 2812 return null; 2813 } 2814 2815 public int getUidForSharedUser(String sharedUserName) { 2816 if(sharedUserName == null) { 2817 return -1; 2818 } 2819 // reader 2820 synchronized (mPackages) { 2821 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2822 if (suid == null) { 2823 return -1; 2824 } 2825 return suid.userId; 2826 } 2827 } 2828 2829 public int getFlagsForUid(int uid) { 2830 synchronized (mPackages) { 2831 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2832 if (obj instanceof SharedUserSetting) { 2833 final SharedUserSetting sus = (SharedUserSetting) obj; 2834 return sus.pkgFlags; 2835 } else if (obj instanceof PackageSetting) { 2836 final PackageSetting ps = (PackageSetting) obj; 2837 return ps.pkgFlags; 2838 } 2839 } 2840 return 0; 2841 } 2842 2843 @Override 2844 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2845 int flags, int userId) { 2846 if (!sUserManager.exists(userId)) return null; 2847 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2848 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2849 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2850 } 2851 2852 @Override 2853 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2854 IntentFilter filter, int match, ComponentName activity) { 2855 final int userId = UserHandle.getCallingUserId(); 2856 if (DEBUG_PREFERRED) { 2857 Log.v(TAG, "setLastChosenActivity intent=" + intent 2858 + " resolvedType=" + resolvedType 2859 + " flags=" + flags 2860 + " filter=" + filter 2861 + " match=" + match 2862 + " activity=" + activity); 2863 filter.dump(new PrintStreamPrinter(System.out), " "); 2864 } 2865 intent.setComponent(null); 2866 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2867 // Find any earlier preferred or last chosen entries and nuke them 2868 findPreferredActivity(intent, resolvedType, 2869 flags, query, 0, false, true, false, userId); 2870 // Add the new activity as the last chosen for this filter 2871 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2872 } 2873 2874 @Override 2875 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2876 final int userId = UserHandle.getCallingUserId(); 2877 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2878 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2879 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2880 false, false, false, userId); 2881 } 2882 2883 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2884 int flags, List<ResolveInfo> query, int userId) { 2885 if (query != null) { 2886 final int N = query.size(); 2887 if (N == 1) { 2888 return query.get(0); 2889 } else if (N > 1) { 2890 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2891 // If there is more than one activity with the same priority, 2892 // then let the user decide between them. 2893 ResolveInfo r0 = query.get(0); 2894 ResolveInfo r1 = query.get(1); 2895 if (DEBUG_INTENT_MATCHING || debug) { 2896 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2897 + r1.activityInfo.name + "=" + r1.priority); 2898 } 2899 // If the first activity has a higher priority, or a different 2900 // default, then it is always desireable to pick it. 2901 if (r0.priority != r1.priority 2902 || r0.preferredOrder != r1.preferredOrder 2903 || r0.isDefault != r1.isDefault) { 2904 return query.get(0); 2905 } 2906 // If we have saved a preference for a preferred activity for 2907 // this Intent, use that. 2908 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2909 flags, query, r0.priority, true, false, debug, userId); 2910 if (ri != null) { 2911 return ri; 2912 } 2913 if (userId != 0) { 2914 ri = new ResolveInfo(mResolveInfo); 2915 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2916 ri.activityInfo.applicationInfo = new ApplicationInfo( 2917 ri.activityInfo.applicationInfo); 2918 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2919 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2920 return ri; 2921 } 2922 return mResolveInfo; 2923 } 2924 } 2925 return null; 2926 } 2927 2928 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2929 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2930 final int N = query.size(); 2931 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2932 .get(userId); 2933 // Get the list of persistent preferred activities that handle the intent 2934 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 2935 List<PersistentPreferredActivity> pprefs = ppir != null 2936 ? ppir.queryIntent(intent, resolvedType, 2937 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2938 : null; 2939 if (pprefs != null && pprefs.size() > 0) { 2940 final int M = pprefs.size(); 2941 for (int i=0; i<M; i++) { 2942 final PersistentPreferredActivity ppa = pprefs.get(i); 2943 if (DEBUG_PREFERRED || debug) { 2944 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 2945 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 2946 + "\n component=" + ppa.mComponent); 2947 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2948 } 2949 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 2950 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2951 if (DEBUG_PREFERRED || debug) { 2952 Slog.v(TAG, "Found persistent preferred activity:"); 2953 if (ai != null) { 2954 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2955 } else { 2956 Slog.v(TAG, " null"); 2957 } 2958 } 2959 if (ai == null) { 2960 // This previously registered persistent preferred activity 2961 // component is no longer known. Ignore it and do NOT remove it. 2962 continue; 2963 } 2964 for (int j=0; j<N; j++) { 2965 final ResolveInfo ri = query.get(j); 2966 if (!ri.activityInfo.applicationInfo.packageName 2967 .equals(ai.applicationInfo.packageName)) { 2968 continue; 2969 } 2970 if (!ri.activityInfo.name.equals(ai.name)) { 2971 continue; 2972 } 2973 // Found a persistent preference that can handle the intent. 2974 if (DEBUG_PREFERRED || debug) { 2975 Slog.v(TAG, "Returning persistent preferred activity: " + 2976 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 2977 } 2978 return ri; 2979 } 2980 } 2981 } 2982 return null; 2983 } 2984 2985 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 2986 List<ResolveInfo> query, int priority, boolean always, 2987 boolean removeMatches, boolean debug, int userId) { 2988 if (!sUserManager.exists(userId)) return null; 2989 // writer 2990 synchronized (mPackages) { 2991 if (intent.getSelector() != null) { 2992 intent = intent.getSelector(); 2993 } 2994 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 2995 2996 // Try to find a matching persistent preferred activity. 2997 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 2998 debug, userId); 2999 3000 // If a persistent preferred activity matched, use it. 3001 if (pri != null) { 3002 return pri; 3003 } 3004 3005 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3006 // Get the list of preferred activities that handle the intent 3007 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3008 List<PreferredActivity> prefs = pir != null 3009 ? pir.queryIntent(intent, resolvedType, 3010 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3011 : null; 3012 if (prefs != null && prefs.size() > 0) { 3013 // First figure out how good the original match set is. 3014 // We will only allow preferred activities that came 3015 // from the same match quality. 3016 int match = 0; 3017 3018 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3019 3020 final int N = query.size(); 3021 for (int j=0; j<N; j++) { 3022 final ResolveInfo ri = query.get(j); 3023 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3024 + ": 0x" + Integer.toHexString(match)); 3025 if (ri.match > match) { 3026 match = ri.match; 3027 } 3028 } 3029 3030 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3031 + Integer.toHexString(match)); 3032 3033 match &= IntentFilter.MATCH_CATEGORY_MASK; 3034 final int M = prefs.size(); 3035 for (int i=0; i<M; i++) { 3036 final PreferredActivity pa = prefs.get(i); 3037 if (DEBUG_PREFERRED || debug) { 3038 Slog.v(TAG, "Checking PreferredActivity ds=" 3039 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3040 + "\n component=" + pa.mPref.mComponent); 3041 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3042 } 3043 if (pa.mPref.mMatch != match) { 3044 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3045 + Integer.toHexString(pa.mPref.mMatch)); 3046 continue; 3047 } 3048 // If it's not an "always" type preferred activity and that's what we're 3049 // looking for, skip it. 3050 if (always && !pa.mPref.mAlways) { 3051 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3052 continue; 3053 } 3054 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3055 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3056 if (DEBUG_PREFERRED || debug) { 3057 Slog.v(TAG, "Found preferred activity:"); 3058 if (ai != null) { 3059 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3060 } else { 3061 Slog.v(TAG, " null"); 3062 } 3063 } 3064 if (ai == null) { 3065 // This previously registered preferred activity 3066 // component is no longer known. Most likely an update 3067 // to the app was installed and in the new version this 3068 // component no longer exists. Clean it up by removing 3069 // it from the preferred activities list, and skip it. 3070 Slog.w(TAG, "Removing dangling preferred activity: " 3071 + pa.mPref.mComponent); 3072 pir.removeFilter(pa); 3073 continue; 3074 } 3075 for (int j=0; j<N; j++) { 3076 final ResolveInfo ri = query.get(j); 3077 if (!ri.activityInfo.applicationInfo.packageName 3078 .equals(ai.applicationInfo.packageName)) { 3079 continue; 3080 } 3081 if (!ri.activityInfo.name.equals(ai.name)) { 3082 continue; 3083 } 3084 3085 if (removeMatches) { 3086 pir.removeFilter(pa); 3087 if (DEBUG_PREFERRED) { 3088 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3089 } 3090 break; 3091 } 3092 3093 // Okay we found a previously set preferred or last chosen app. 3094 // If the result set is different from when this 3095 // was created, we need to clear it and re-ask the 3096 // user their preference, if we're looking for an "always" type entry. 3097 if (always && !pa.mPref.sameSet(query, priority)) { 3098 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3099 + intent + " type " + resolvedType); 3100 if (DEBUG_PREFERRED) { 3101 Slog.v(TAG, "Removing preferred activity since set changed " 3102 + pa.mPref.mComponent); 3103 } 3104 pir.removeFilter(pa); 3105 // Re-add the filter as a "last chosen" entry (!always) 3106 PreferredActivity lastChosen = new PreferredActivity( 3107 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3108 pir.addFilter(lastChosen); 3109 mSettings.writePackageRestrictionsLPr(userId); 3110 return null; 3111 } 3112 3113 // Yay! Either the set matched or we're looking for the last chosen 3114 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3115 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3116 mSettings.writePackageRestrictionsLPr(userId); 3117 return ri; 3118 } 3119 } 3120 } 3121 mSettings.writePackageRestrictionsLPr(userId); 3122 } 3123 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3124 return null; 3125 } 3126 3127 @Override 3128 public List<ResolveInfo> queryIntentActivities(Intent intent, 3129 String resolvedType, int flags, int userId) { 3130 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3131 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3132 ComponentName comp = intent.getComponent(); 3133 if (comp == null) { 3134 if (intent.getSelector() != null) { 3135 intent = intent.getSelector(); 3136 comp = intent.getComponent(); 3137 } 3138 } 3139 3140 if (comp != null) { 3141 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3142 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3143 if (ai != null) { 3144 final ResolveInfo ri = new ResolveInfo(); 3145 ri.activityInfo = ai; 3146 list.add(ri); 3147 } 3148 return list; 3149 } 3150 3151 // reader 3152 synchronized (mPackages) { 3153 final String pkgName = intent.getPackage(); 3154 if (pkgName == null) { 3155 return mActivities.queryIntent(intent, resolvedType, flags, userId); 3156 } 3157 final PackageParser.Package pkg = mPackages.get(pkgName); 3158 if (pkg != null) { 3159 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3160 pkg.activities, userId); 3161 } 3162 return new ArrayList<ResolveInfo>(); 3163 } 3164 } 3165 3166 @Override 3167 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3168 Intent[] specifics, String[] specificTypes, Intent intent, 3169 String resolvedType, int flags, int userId) { 3170 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3171 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3172 "query intent activity options"); 3173 final String resultsAction = intent.getAction(); 3174 3175 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3176 | PackageManager.GET_RESOLVED_FILTER, userId); 3177 3178 if (DEBUG_INTENT_MATCHING) { 3179 Log.v(TAG, "Query " + intent + ": " + results); 3180 } 3181 3182 int specificsPos = 0; 3183 int N; 3184 3185 // todo: note that the algorithm used here is O(N^2). This 3186 // isn't a problem in our current environment, but if we start running 3187 // into situations where we have more than 5 or 10 matches then this 3188 // should probably be changed to something smarter... 3189 3190 // First we go through and resolve each of the specific items 3191 // that were supplied, taking care of removing any corresponding 3192 // duplicate items in the generic resolve list. 3193 if (specifics != null) { 3194 for (int i=0; i<specifics.length; i++) { 3195 final Intent sintent = specifics[i]; 3196 if (sintent == null) { 3197 continue; 3198 } 3199 3200 if (DEBUG_INTENT_MATCHING) { 3201 Log.v(TAG, "Specific #" + i + ": " + sintent); 3202 } 3203 3204 String action = sintent.getAction(); 3205 if (resultsAction != null && resultsAction.equals(action)) { 3206 // If this action was explicitly requested, then don't 3207 // remove things that have it. 3208 action = null; 3209 } 3210 3211 ResolveInfo ri = null; 3212 ActivityInfo ai = null; 3213 3214 ComponentName comp = sintent.getComponent(); 3215 if (comp == null) { 3216 ri = resolveIntent( 3217 sintent, 3218 specificTypes != null ? specificTypes[i] : null, 3219 flags, userId); 3220 if (ri == null) { 3221 continue; 3222 } 3223 if (ri == mResolveInfo) { 3224 // ACK! Must do something better with this. 3225 } 3226 ai = ri.activityInfo; 3227 comp = new ComponentName(ai.applicationInfo.packageName, 3228 ai.name); 3229 } else { 3230 ai = getActivityInfo(comp, flags, userId); 3231 if (ai == null) { 3232 continue; 3233 } 3234 } 3235 3236 // Look for any generic query activities that are duplicates 3237 // of this specific one, and remove them from the results. 3238 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3239 N = results.size(); 3240 int j; 3241 for (j=specificsPos; j<N; j++) { 3242 ResolveInfo sri = results.get(j); 3243 if ((sri.activityInfo.name.equals(comp.getClassName()) 3244 && sri.activityInfo.applicationInfo.packageName.equals( 3245 comp.getPackageName())) 3246 || (action != null && sri.filter.matchAction(action))) { 3247 results.remove(j); 3248 if (DEBUG_INTENT_MATCHING) Log.v( 3249 TAG, "Removing duplicate item from " + j 3250 + " due to specific " + specificsPos); 3251 if (ri == null) { 3252 ri = sri; 3253 } 3254 j--; 3255 N--; 3256 } 3257 } 3258 3259 // Add this specific item to its proper place. 3260 if (ri == null) { 3261 ri = new ResolveInfo(); 3262 ri.activityInfo = ai; 3263 } 3264 results.add(specificsPos, ri); 3265 ri.specificIndex = i; 3266 specificsPos++; 3267 } 3268 } 3269 3270 // Now we go through the remaining generic results and remove any 3271 // duplicate actions that are found here. 3272 N = results.size(); 3273 for (int i=specificsPos; i<N-1; i++) { 3274 final ResolveInfo rii = results.get(i); 3275 if (rii.filter == null) { 3276 continue; 3277 } 3278 3279 // Iterate over all of the actions of this result's intent 3280 // filter... typically this should be just one. 3281 final Iterator<String> it = rii.filter.actionsIterator(); 3282 if (it == null) { 3283 continue; 3284 } 3285 while (it.hasNext()) { 3286 final String action = it.next(); 3287 if (resultsAction != null && resultsAction.equals(action)) { 3288 // If this action was explicitly requested, then don't 3289 // remove things that have it. 3290 continue; 3291 } 3292 for (int j=i+1; j<N; j++) { 3293 final ResolveInfo rij = results.get(j); 3294 if (rij.filter != null && rij.filter.hasAction(action)) { 3295 results.remove(j); 3296 if (DEBUG_INTENT_MATCHING) Log.v( 3297 TAG, "Removing duplicate item from " + j 3298 + " due to action " + action + " at " + i); 3299 j--; 3300 N--; 3301 } 3302 } 3303 } 3304 3305 // If the caller didn't request filter information, drop it now 3306 // so we don't have to marshall/unmarshall it. 3307 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3308 rii.filter = null; 3309 } 3310 } 3311 3312 // Filter out the caller activity if so requested. 3313 if (caller != null) { 3314 N = results.size(); 3315 for (int i=0; i<N; i++) { 3316 ActivityInfo ainfo = results.get(i).activityInfo; 3317 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3318 && caller.getClassName().equals(ainfo.name)) { 3319 results.remove(i); 3320 break; 3321 } 3322 } 3323 } 3324 3325 // If the caller didn't request filter information, 3326 // drop them now so we don't have to 3327 // marshall/unmarshall it. 3328 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3329 N = results.size(); 3330 for (int i=0; i<N; i++) { 3331 results.get(i).filter = null; 3332 } 3333 } 3334 3335 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3336 return results; 3337 } 3338 3339 @Override 3340 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3341 int userId) { 3342 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3343 ComponentName comp = intent.getComponent(); 3344 if (comp == null) { 3345 if (intent.getSelector() != null) { 3346 intent = intent.getSelector(); 3347 comp = intent.getComponent(); 3348 } 3349 } 3350 if (comp != null) { 3351 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3352 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3353 if (ai != null) { 3354 ResolveInfo ri = new ResolveInfo(); 3355 ri.activityInfo = ai; 3356 list.add(ri); 3357 } 3358 return list; 3359 } 3360 3361 // reader 3362 synchronized (mPackages) { 3363 String pkgName = intent.getPackage(); 3364 if (pkgName == null) { 3365 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3366 } 3367 final PackageParser.Package pkg = mPackages.get(pkgName); 3368 if (pkg != null) { 3369 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3370 userId); 3371 } 3372 return null; 3373 } 3374 } 3375 3376 @Override 3377 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3378 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3379 if (!sUserManager.exists(userId)) return null; 3380 if (query != null) { 3381 if (query.size() >= 1) { 3382 // If there is more than one service with the same priority, 3383 // just arbitrarily pick the first one. 3384 return query.get(0); 3385 } 3386 } 3387 return null; 3388 } 3389 3390 @Override 3391 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3392 int userId) { 3393 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3394 ComponentName comp = intent.getComponent(); 3395 if (comp == null) { 3396 if (intent.getSelector() != null) { 3397 intent = intent.getSelector(); 3398 comp = intent.getComponent(); 3399 } 3400 } 3401 if (comp != null) { 3402 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3403 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3404 if (si != null) { 3405 final ResolveInfo ri = new ResolveInfo(); 3406 ri.serviceInfo = si; 3407 list.add(ri); 3408 } 3409 return list; 3410 } 3411 3412 // reader 3413 synchronized (mPackages) { 3414 String pkgName = intent.getPackage(); 3415 if (pkgName == null) { 3416 return mServices.queryIntent(intent, resolvedType, flags, userId); 3417 } 3418 final PackageParser.Package pkg = mPackages.get(pkgName); 3419 if (pkg != null) { 3420 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3421 userId); 3422 } 3423 return null; 3424 } 3425 } 3426 3427 @Override 3428 public List<ResolveInfo> queryIntentContentProviders( 3429 Intent intent, String resolvedType, int flags, int userId) { 3430 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3431 ComponentName comp = intent.getComponent(); 3432 if (comp == null) { 3433 if (intent.getSelector() != null) { 3434 intent = intent.getSelector(); 3435 comp = intent.getComponent(); 3436 } 3437 } 3438 if (comp != null) { 3439 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3440 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3441 if (pi != null) { 3442 final ResolveInfo ri = new ResolveInfo(); 3443 ri.providerInfo = pi; 3444 list.add(ri); 3445 } 3446 return list; 3447 } 3448 3449 // reader 3450 synchronized (mPackages) { 3451 String pkgName = intent.getPackage(); 3452 if (pkgName == null) { 3453 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3454 } 3455 final PackageParser.Package pkg = mPackages.get(pkgName); 3456 if (pkg != null) { 3457 return mProviders.queryIntentForPackage( 3458 intent, resolvedType, flags, pkg.providers, userId); 3459 } 3460 return null; 3461 } 3462 } 3463 3464 @Override 3465 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3466 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3467 3468 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3469 3470 // writer 3471 synchronized (mPackages) { 3472 ArrayList<PackageInfo> list; 3473 if (listUninstalled) { 3474 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3475 for (PackageSetting ps : mSettings.mPackages.values()) { 3476 PackageInfo pi; 3477 if (ps.pkg != null) { 3478 pi = generatePackageInfo(ps.pkg, flags, userId); 3479 } else { 3480 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3481 } 3482 if (pi != null) { 3483 list.add(pi); 3484 } 3485 } 3486 } else { 3487 list = new ArrayList<PackageInfo>(mPackages.size()); 3488 for (PackageParser.Package p : mPackages.values()) { 3489 PackageInfo pi = generatePackageInfo(p, flags, userId); 3490 if (pi != null) { 3491 list.add(pi); 3492 } 3493 } 3494 } 3495 3496 return new ParceledListSlice<PackageInfo>(list); 3497 } 3498 } 3499 3500 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3501 String[] permissions, boolean[] tmp, int flags, int userId) { 3502 int numMatch = 0; 3503 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3504 for (int i=0; i<permissions.length; i++) { 3505 if (gp.grantedPermissions.contains(permissions[i])) { 3506 tmp[i] = true; 3507 numMatch++; 3508 } else { 3509 tmp[i] = false; 3510 } 3511 } 3512 if (numMatch == 0) { 3513 return; 3514 } 3515 PackageInfo pi; 3516 if (ps.pkg != null) { 3517 pi = generatePackageInfo(ps.pkg, flags, userId); 3518 } else { 3519 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3520 } 3521 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3522 if (numMatch == permissions.length) { 3523 pi.requestedPermissions = permissions; 3524 } else { 3525 pi.requestedPermissions = new String[numMatch]; 3526 numMatch = 0; 3527 for (int i=0; i<permissions.length; i++) { 3528 if (tmp[i]) { 3529 pi.requestedPermissions[numMatch] = permissions[i]; 3530 numMatch++; 3531 } 3532 } 3533 } 3534 } 3535 list.add(pi); 3536 } 3537 3538 @Override 3539 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3540 String[] permissions, int flags, int userId) { 3541 if (!sUserManager.exists(userId)) return null; 3542 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3543 3544 // writer 3545 synchronized (mPackages) { 3546 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3547 boolean[] tmpBools = new boolean[permissions.length]; 3548 if (listUninstalled) { 3549 for (PackageSetting ps : mSettings.mPackages.values()) { 3550 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3551 } 3552 } else { 3553 for (PackageParser.Package pkg : mPackages.values()) { 3554 PackageSetting ps = (PackageSetting)pkg.mExtras; 3555 if (ps != null) { 3556 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3557 userId); 3558 } 3559 } 3560 } 3561 3562 return new ParceledListSlice<PackageInfo>(list); 3563 } 3564 } 3565 3566 @Override 3567 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3568 if (!sUserManager.exists(userId)) return null; 3569 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3570 3571 // writer 3572 synchronized (mPackages) { 3573 ArrayList<ApplicationInfo> list; 3574 if (listUninstalled) { 3575 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3576 for (PackageSetting ps : mSettings.mPackages.values()) { 3577 ApplicationInfo ai; 3578 if (ps.pkg != null) { 3579 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3580 ps.readUserState(userId), userId); 3581 } else { 3582 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3583 } 3584 if (ai != null) { 3585 list.add(ai); 3586 } 3587 } 3588 } else { 3589 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3590 for (PackageParser.Package p : mPackages.values()) { 3591 if (p.mExtras != null) { 3592 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3593 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3594 if (ai != null) { 3595 list.add(ai); 3596 } 3597 } 3598 } 3599 } 3600 3601 return new ParceledListSlice<ApplicationInfo>(list); 3602 } 3603 } 3604 3605 public List<ApplicationInfo> getPersistentApplications(int flags) { 3606 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3607 3608 // reader 3609 synchronized (mPackages) { 3610 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3611 final int userId = UserHandle.getCallingUserId(); 3612 while (i.hasNext()) { 3613 final PackageParser.Package p = i.next(); 3614 if (p.applicationInfo != null 3615 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3616 && (!mSafeMode || isSystemApp(p))) { 3617 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3618 if (ps != null) { 3619 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3620 ps.readUserState(userId), userId); 3621 if (ai != null) { 3622 finalList.add(ai); 3623 } 3624 } 3625 } 3626 } 3627 } 3628 3629 return finalList; 3630 } 3631 3632 @Override 3633 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3634 if (!sUserManager.exists(userId)) return null; 3635 // reader 3636 synchronized (mPackages) { 3637 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3638 PackageSetting ps = provider != null 3639 ? mSettings.mPackages.get(provider.owner.packageName) 3640 : null; 3641 return ps != null 3642 && mSettings.isEnabledLPr(provider.info, flags, userId) 3643 && (!mSafeMode || (provider.info.applicationInfo.flags 3644 &ApplicationInfo.FLAG_SYSTEM) != 0) 3645 ? PackageParser.generateProviderInfo(provider, flags, 3646 ps.readUserState(userId), userId) 3647 : null; 3648 } 3649 } 3650 3651 /** 3652 * @deprecated 3653 */ 3654 @Deprecated 3655 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3656 // reader 3657 synchronized (mPackages) { 3658 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3659 .entrySet().iterator(); 3660 final int userId = UserHandle.getCallingUserId(); 3661 while (i.hasNext()) { 3662 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3663 PackageParser.Provider p = entry.getValue(); 3664 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3665 3666 if (ps != null && p.syncable 3667 && (!mSafeMode || (p.info.applicationInfo.flags 3668 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3669 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3670 ps.readUserState(userId), userId); 3671 if (info != null) { 3672 outNames.add(entry.getKey()); 3673 outInfo.add(info); 3674 } 3675 } 3676 } 3677 } 3678 } 3679 3680 public List<ProviderInfo> queryContentProviders(String processName, 3681 int uid, int flags) { 3682 ArrayList<ProviderInfo> finalList = null; 3683 // reader 3684 synchronized (mPackages) { 3685 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3686 final int userId = processName != null ? 3687 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3688 while (i.hasNext()) { 3689 final PackageParser.Provider p = i.next(); 3690 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3691 if (ps != null && p.info.authority != null 3692 && (processName == null 3693 || (p.info.processName.equals(processName) 3694 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3695 && mSettings.isEnabledLPr(p.info, flags, userId) 3696 && (!mSafeMode 3697 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3698 if (finalList == null) { 3699 finalList = new ArrayList<ProviderInfo>(3); 3700 } 3701 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3702 ps.readUserState(userId), userId); 3703 if (info != null) { 3704 finalList.add(info); 3705 } 3706 } 3707 } 3708 } 3709 3710 if (finalList != null) { 3711 Collections.sort(finalList, mProviderInitOrderSorter); 3712 } 3713 3714 return finalList; 3715 } 3716 3717 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3718 int flags) { 3719 // reader 3720 synchronized (mPackages) { 3721 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3722 return PackageParser.generateInstrumentationInfo(i, flags); 3723 } 3724 } 3725 3726 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3727 int flags) { 3728 ArrayList<InstrumentationInfo> finalList = 3729 new ArrayList<InstrumentationInfo>(); 3730 3731 // reader 3732 synchronized (mPackages) { 3733 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3734 while (i.hasNext()) { 3735 final PackageParser.Instrumentation p = i.next(); 3736 if (targetPackage == null 3737 || targetPackage.equals(p.info.targetPackage)) { 3738 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3739 flags); 3740 if (ii != null) { 3741 finalList.add(ii); 3742 } 3743 } 3744 } 3745 } 3746 3747 return finalList; 3748 } 3749 3750 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3751 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3752 if (overlays == null) { 3753 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3754 return; 3755 } 3756 for (PackageParser.Package opkg : overlays.values()) { 3757 // Not much to do if idmap fails: we already logged the error 3758 // and we certainly don't want to abort installation of pkg simply 3759 // because an overlay didn't fit properly. For these reasons, 3760 // ignore the return value of createIdmapForPackagePairLI. 3761 createIdmapForPackagePairLI(pkg, opkg); 3762 } 3763 } 3764 3765 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3766 PackageParser.Package opkg) { 3767 if (!opkg.mTrustedOverlay) { 3768 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 3769 opkg.mScanPath + ": overlay not trusted"); 3770 return false; 3771 } 3772 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3773 if (overlaySet == null) { 3774 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 3775 opkg.mScanPath + " but target package has no known overlays"); 3776 return false; 3777 } 3778 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3779 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 3780 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 3781 return false; 3782 } 3783 PackageParser.Package[] overlayArray = 3784 overlaySet.values().toArray(new PackageParser.Package[0]); 3785 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3786 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3787 return p1.mOverlayPriority - p2.mOverlayPriority; 3788 } 3789 }; 3790 Arrays.sort(overlayArray, cmp); 3791 3792 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3793 int i = 0; 3794 for (PackageParser.Package p : overlayArray) { 3795 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 3796 } 3797 return true; 3798 } 3799 3800 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3801 String[] files = dir.list(); 3802 if (files == null) { 3803 Log.d(TAG, "No files in app dir " + dir); 3804 return; 3805 } 3806 3807 if (DEBUG_PACKAGE_SCANNING) { 3808 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3809 + " flags=0x" + Integer.toHexString(flags)); 3810 } 3811 3812 int i; 3813 for (i=0; i<files.length; i++) { 3814 File file = new File(dir, files[i]); 3815 if (!isPackageFilename(files[i])) { 3816 // Ignore entries which are not apk's 3817 continue; 3818 } 3819 PackageParser.Package pkg = scanPackageLI(file, 3820 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3821 // Don't mess around with apps in system partition. 3822 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3823 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3824 // Delete the apk 3825 Slog.w(TAG, "Cleaning up failed install of " + file); 3826 file.delete(); 3827 } 3828 } 3829 } 3830 3831 private static File getSettingsProblemFile() { 3832 File dataDir = Environment.getDataDirectory(); 3833 File systemDir = new File(dataDir, "system"); 3834 File fname = new File(systemDir, "uiderrors.txt"); 3835 return fname; 3836 } 3837 3838 static void reportSettingsProblem(int priority, String msg) { 3839 try { 3840 File fname = getSettingsProblemFile(); 3841 FileOutputStream out = new FileOutputStream(fname, true); 3842 PrintWriter pw = new FastPrintWriter(out); 3843 SimpleDateFormat formatter = new SimpleDateFormat(); 3844 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3845 pw.println(dateString + ": " + msg); 3846 pw.close(); 3847 FileUtils.setPermissions( 3848 fname.toString(), 3849 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3850 -1, -1); 3851 } catch (java.io.IOException e) { 3852 } 3853 Slog.println(priority, TAG, msg); 3854 } 3855 3856 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3857 PackageParser.Package pkg, File srcFile, int parseFlags) { 3858 if (ps != null 3859 && ps.codePath.equals(srcFile) 3860 && ps.timeStamp == srcFile.lastModified() 3861 && !isCompatSignatureUpdateNeeded(pkg)) { 3862 if (ps.signatures.mSignatures != null 3863 && ps.signatures.mSignatures.length != 0) { 3864 // Optimization: reuse the existing cached certificates 3865 // if the package appears to be unchanged. 3866 pkg.mSignatures = ps.signatures.mSignatures; 3867 return true; 3868 } 3869 3870 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3871 } else { 3872 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3873 } 3874 3875 if (!pp.collectCertificates(pkg, parseFlags)) { 3876 mLastScanError = pp.getParseError(); 3877 return false; 3878 } 3879 return true; 3880 } 3881 3882 /* 3883 * Scan a package and return the newly parsed package. 3884 * Returns null in case of errors and the error code is stored in mLastScanError 3885 */ 3886 private PackageParser.Package scanPackageLI(File scanFile, 3887 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3888 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3889 String scanPath = scanFile.getPath(); 3890 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3891 parseFlags |= mDefParseFlags; 3892 PackageParser pp = new PackageParser(scanPath); 3893 pp.setSeparateProcesses(mSeparateProcesses); 3894 pp.setOnlyCoreApps(mOnlyCore); 3895 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3896 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 3897 3898 if (pkg == null) { 3899 mLastScanError = pp.getParseError(); 3900 return null; 3901 } 3902 3903 PackageSetting ps = null; 3904 PackageSetting updatedPkg; 3905 // reader 3906 synchronized (mPackages) { 3907 // Look to see if we already know about this package. 3908 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3909 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3910 // This package has been renamed to its original name. Let's 3911 // use that. 3912 ps = mSettings.peekPackageLPr(oldName); 3913 } 3914 // If there was no original package, see one for the real package name. 3915 if (ps == null) { 3916 ps = mSettings.peekPackageLPr(pkg.packageName); 3917 } 3918 // Check to see if this package could be hiding/updating a system 3919 // package. Must look for it either under the original or real 3920 // package name depending on our state. 3921 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3922 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 3923 } 3924 boolean updatedPkgBetter = false; 3925 // First check if this is a system package that may involve an update 3926 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3927 if (ps != null && !ps.codePath.equals(scanFile)) { 3928 // The path has changed from what was last scanned... check the 3929 // version of the new path against what we have stored to determine 3930 // what to do. 3931 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 3932 if (pkg.mVersionCode < ps.versionCode) { 3933 // The system package has been updated and the code path does not match 3934 // Ignore entry. Skip it. 3935 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3936 + " ignored: updated version " + ps.versionCode 3937 + " better than this " + pkg.mVersionCode); 3938 if (!updatedPkg.codePath.equals(scanFile)) { 3939 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 3940 + ps.name + " changing from " + updatedPkg.codePathString 3941 + " to " + scanFile); 3942 updatedPkg.codePath = scanFile; 3943 updatedPkg.codePathString = scanFile.toString(); 3944 // This is the point at which we know that the system-disk APK 3945 // for this package has moved during a reboot (e.g. due to an OTA), 3946 // so we need to reevaluate it for privilege policy. 3947 if (locationIsPrivileged(scanFile)) { 3948 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 3949 } 3950 } 3951 updatedPkg.pkg = pkg; 3952 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3953 return null; 3954 } else { 3955 // The current app on the system partion is better than 3956 // what we have updated to on the data partition; switch 3957 // back to the system partition version. 3958 // At this point, its safely assumed that package installation for 3959 // apps in system partition will go through. If not there won't be a working 3960 // version of the app 3961 // writer 3962 synchronized (mPackages) { 3963 // Just remove the loaded entries from package lists. 3964 mPackages.remove(ps.name); 3965 } 3966 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3967 + "reverting from " + ps.codePathString 3968 + ": new version " + pkg.mVersionCode 3969 + " better than installed " + ps.versionCode); 3970 3971 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3972 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3973 synchronized (mInstallLock) { 3974 args.cleanUpResourcesLI(); 3975 } 3976 synchronized (mPackages) { 3977 mSettings.enableSystemPackageLPw(ps.name); 3978 } 3979 updatedPkgBetter = true; 3980 } 3981 } 3982 } 3983 3984 if (updatedPkg != null) { 3985 // An updated system app will not have the PARSE_IS_SYSTEM flag set 3986 // initially 3987 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 3988 3989 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 3990 // flag set initially 3991 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 3992 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 3993 } 3994 } 3995 // Verify certificates against what was last scanned 3996 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3997 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3998 return null; 3999 } 4000 4001 /* 4002 * A new system app appeared, but we already had a non-system one of the 4003 * same name installed earlier. 4004 */ 4005 boolean shouldHideSystemApp = false; 4006 if (updatedPkg == null && ps != null 4007 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4008 /* 4009 * Check to make sure the signatures match first. If they don't, 4010 * wipe the installed application and its data. 4011 */ 4012 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4013 != PackageManager.SIGNATURE_MATCH) { 4014 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4015 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4016 ps = null; 4017 } else { 4018 /* 4019 * If the newly-added system app is an older version than the 4020 * already installed version, hide it. It will be scanned later 4021 * and re-added like an update. 4022 */ 4023 if (pkg.mVersionCode < ps.versionCode) { 4024 shouldHideSystemApp = true; 4025 } else { 4026 /* 4027 * The newly found system app is a newer version that the 4028 * one previously installed. Simply remove the 4029 * already-installed application and replace it with our own 4030 * while keeping the application data. 4031 */ 4032 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4033 + ps.codePathString + ": new version " + pkg.mVersionCode 4034 + " better than installed " + ps.versionCode); 4035 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4036 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 4037 synchronized (mInstallLock) { 4038 args.cleanUpResourcesLI(); 4039 } 4040 } 4041 } 4042 } 4043 4044 // The apk is forward locked (not public) if its code and resources 4045 // are kept in different files. (except for app in either system or 4046 // vendor path). 4047 // TODO grab this value from PackageSettings 4048 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4049 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4050 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4051 } 4052 } 4053 4054 String codePath = null; 4055 String resPath = null; 4056 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4057 if (ps != null && ps.resourcePathString != null) { 4058 resPath = ps.resourcePathString; 4059 } else { 4060 // Should not happen at all. Just log an error. 4061 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4062 } 4063 } else { 4064 resPath = pkg.mScanPath; 4065 } 4066 4067 codePath = pkg.mScanPath; 4068 // Set application objects path explicitly. 4069 setApplicationInfoPaths(pkg, codePath, resPath); 4070 // Applications can run with the primary Cpu Abi unless otherwise is specified 4071 pkg.applicationInfo.requiredCpuAbi = null; 4072 // Note that we invoke the following method only if we are about to unpack an application 4073 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4074 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4075 4076 /* 4077 * If the system app should be overridden by a previously installed 4078 * data, hide the system app now and let the /data/app scan pick it up 4079 * again. 4080 */ 4081 if (shouldHideSystemApp) { 4082 synchronized (mPackages) { 4083 /* 4084 * We have to grant systems permissions before we hide, because 4085 * grantPermissions will assume the package update is trying to 4086 * expand its permissions. 4087 */ 4088 grantPermissionsLPw(pkg, true); 4089 mSettings.disableSystemPackageLPw(pkg.packageName); 4090 } 4091 } 4092 4093 return scannedPkg; 4094 } 4095 4096 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4097 String destResPath) { 4098 pkg.mPath = pkg.mScanPath = destCodePath; 4099 pkg.applicationInfo.sourceDir = destCodePath; 4100 pkg.applicationInfo.publicSourceDir = destResPath; 4101 } 4102 4103 private static String fixProcessName(String defProcessName, 4104 String processName, int uid) { 4105 if (processName == null) { 4106 return defProcessName; 4107 } 4108 return processName; 4109 } 4110 4111 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4112 if (pkgSetting.signatures.mSignatures != null) { 4113 // Already existing package. Make sure signatures match 4114 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4115 == PackageManager.SIGNATURE_MATCH; 4116 if (!match) { 4117 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4118 == PackageManager.SIGNATURE_MATCH; 4119 } 4120 if (!match) { 4121 Slog.e(TAG, "Package " + pkg.packageName 4122 + " signatures do not match the previously installed version; ignoring!"); 4123 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4124 return false; 4125 } 4126 } 4127 // Check for shared user signatures 4128 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4129 // Already existing package. Make sure signatures match 4130 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4131 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4132 if (!match) { 4133 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4134 == PackageManager.SIGNATURE_MATCH; 4135 } 4136 if (!match) { 4137 Slog.e(TAG, "Package " + pkg.packageName 4138 + " has no signatures that match those in shared user " 4139 + pkgSetting.sharedUser.name + "; ignoring!"); 4140 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4141 return false; 4142 } 4143 } 4144 return true; 4145 } 4146 4147 /** 4148 * Enforces that only the system UID or root's UID can call a method exposed 4149 * via Binder. 4150 * 4151 * @param message used as message if SecurityException is thrown 4152 * @throws SecurityException if the caller is not system or root 4153 */ 4154 private static final void enforceSystemOrRoot(String message) { 4155 final int uid = Binder.getCallingUid(); 4156 if (uid != Process.SYSTEM_UID && uid != 0) { 4157 throw new SecurityException(message); 4158 } 4159 } 4160 4161 public void performBootDexOpt() { 4162 HashSet<PackageParser.Package> pkgs = null; 4163 synchronized (mPackages) { 4164 pkgs = mDeferredDexOpt; 4165 mDeferredDexOpt = null; 4166 } 4167 if (pkgs != null) { 4168 int i = 0; 4169 for (PackageParser.Package pkg : pkgs) { 4170 if (!isFirstBoot()) { 4171 i++; 4172 try { 4173 ActivityManagerNative.getDefault().showBootMessage( 4174 mContext.getResources().getString( 4175 com.android.internal.R.string.android_upgrading_apk, 4176 i, pkgs.size()), true); 4177 } catch (RemoteException e) { 4178 } 4179 } 4180 PackageParser.Package p = pkg; 4181 synchronized (mInstallLock) { 4182 if (!p.mDidDexOpt) { 4183 performDexOptLI(p, false, false, true); 4184 } 4185 } 4186 } 4187 } 4188 } 4189 4190 public boolean performDexOpt(String packageName) { 4191 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4192 4193 if (!mNoDexOpt) { 4194 return false; 4195 } 4196 4197 PackageParser.Package p; 4198 synchronized (mPackages) { 4199 p = mPackages.get(packageName); 4200 if (p == null || p.mDidDexOpt) { 4201 return false; 4202 } 4203 } 4204 synchronized (mInstallLock) { 4205 return performDexOptLI(p, false, false, true) == DEX_OPT_PERFORMED; 4206 } 4207 } 4208 4209 private void performDexOptLibsLI(ArrayList<String> libs, boolean forceDex, boolean defer, 4210 HashSet<String> done) { 4211 for (int i=0; i<libs.size(); i++) { 4212 PackageParser.Package libPkg; 4213 String libName; 4214 synchronized (mPackages) { 4215 libName = libs.get(i); 4216 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4217 if (lib != null && lib.apk != null) { 4218 libPkg = mPackages.get(lib.apk); 4219 } else { 4220 libPkg = null; 4221 } 4222 } 4223 if (libPkg != null && !done.contains(libName)) { 4224 performDexOptLI(libPkg, forceDex, defer, done); 4225 } 4226 } 4227 } 4228 4229 static final int DEX_OPT_SKIPPED = 0; 4230 static final int DEX_OPT_PERFORMED = 1; 4231 static final int DEX_OPT_DEFERRED = 2; 4232 static final int DEX_OPT_FAILED = -1; 4233 4234 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4235 HashSet<String> done) { 4236 boolean performed = false; 4237 if (done != null) { 4238 done.add(pkg.packageName); 4239 if (pkg.usesLibraries != null) { 4240 performDexOptLibsLI(pkg.usesLibraries, forceDex, defer, done); 4241 } 4242 if (pkg.usesOptionalLibraries != null) { 4243 performDexOptLibsLI(pkg.usesOptionalLibraries, forceDex, defer, done); 4244 } 4245 } 4246 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4247 String path = pkg.mScanPath; 4248 int ret = 0; 4249 try { 4250 if (forceDex || dalvik.system.DexFile.isDexOptNeededInternal(path, pkg.packageName, 4251 defer)) { 4252 if (!forceDex && defer) { 4253 if (mDeferredDexOpt == null) { 4254 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4255 } 4256 mDeferredDexOpt.add(pkg); 4257 return DEX_OPT_DEFERRED; 4258 } else { 4259 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4260 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4261 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4262 pkg.packageName); 4263 pkg.mDidDexOpt = true; 4264 performed = true; 4265 } 4266 } 4267 } catch (FileNotFoundException e) { 4268 Slog.w(TAG, "Apk not found for dexopt: " + path); 4269 ret = -1; 4270 } catch (IOException e) { 4271 Slog.w(TAG, "IOException reading apk: " + path, e); 4272 ret = -1; 4273 } catch (dalvik.system.StaleDexCacheError e) { 4274 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4275 ret = -1; 4276 } catch (Exception e) { 4277 Slog.w(TAG, "Exception when doing dexopt : ", e); 4278 ret = -1; 4279 } 4280 if (ret < 0) { 4281 //error from installer 4282 return DEX_OPT_FAILED; 4283 } 4284 } 4285 4286 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4287 } 4288 4289 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4290 boolean inclDependencies) { 4291 HashSet<String> done; 4292 boolean performed = false; 4293 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4294 done = new HashSet<String>(); 4295 done.add(pkg.packageName); 4296 } else { 4297 done = null; 4298 } 4299 return performDexOptLI(pkg, forceDex, defer, done); 4300 } 4301 4302 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4303 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4304 Slog.w(TAG, "Unable to update from " + oldPkg.name 4305 + " to " + newPkg.packageName 4306 + ": old package not in system partition"); 4307 return false; 4308 } else if (mPackages.get(oldPkg.name) != null) { 4309 Slog.w(TAG, "Unable to update from " + oldPkg.name 4310 + " to " + newPkg.packageName 4311 + ": old package still exists"); 4312 return false; 4313 } 4314 return true; 4315 } 4316 4317 File getDataPathForUser(int userId) { 4318 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4319 } 4320 4321 private File getDataPathForPackage(String packageName, int userId) { 4322 /* 4323 * Until we fully support multiple users, return the directory we 4324 * previously would have. The PackageManagerTests will need to be 4325 * revised when this is changed back.. 4326 */ 4327 if (userId == 0) { 4328 return new File(mAppDataDir, packageName); 4329 } else { 4330 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4331 + File.separator + packageName); 4332 } 4333 } 4334 4335 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4336 int[] users = sUserManager.getUserIds(); 4337 int res = mInstaller.install(packageName, uid, uid, seinfo); 4338 if (res < 0) { 4339 return res; 4340 } 4341 for (int user : users) { 4342 if (user != 0) { 4343 res = mInstaller.createUserData(packageName, 4344 UserHandle.getUid(user, uid), user, seinfo); 4345 if (res < 0) { 4346 return res; 4347 } 4348 } 4349 } 4350 return res; 4351 } 4352 4353 private int removeDataDirsLI(String packageName) { 4354 int[] users = sUserManager.getUserIds(); 4355 int res = 0; 4356 for (int user : users) { 4357 int resInner = mInstaller.remove(packageName, user); 4358 if (resInner < 0) { 4359 res = resInner; 4360 } 4361 } 4362 4363 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4364 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4365 if (!nativeLibraryFile.delete()) { 4366 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4367 } 4368 4369 return res; 4370 } 4371 4372 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4373 PackageParser.Package changingLib) { 4374 if (file.path != null) { 4375 mTmpSharedLibraries[num] = file.path; 4376 return num+1; 4377 } 4378 PackageParser.Package p = mPackages.get(file.apk); 4379 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4380 // If we are doing this while in the middle of updating a library apk, 4381 // then we need to make sure to use that new apk for determining the 4382 // dependencies here. (We haven't yet finished committing the new apk 4383 // to the package manager state.) 4384 if (p == null || p.packageName.equals(changingLib.packageName)) { 4385 p = changingLib; 4386 } 4387 } 4388 if (p != null) { 4389 String path = p.mPath; 4390 for (int i=0; i<num; i++) { 4391 if (mTmpSharedLibraries[i].equals(path)) { 4392 return num; 4393 } 4394 } 4395 mTmpSharedLibraries[num] = p.mPath; 4396 return num+1; 4397 } 4398 return num; 4399 } 4400 4401 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4402 PackageParser.Package changingLib) { 4403 // We might be upgrading from a version of the platform that did not 4404 // provide per-package native library directories for system apps. 4405 // Fix that up here. 4406 if (isSystemApp(pkg)) { 4407 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4408 setInternalAppNativeLibraryPath(pkg, ps); 4409 } 4410 4411 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4412 if (mTmpSharedLibraries == null || 4413 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4414 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4415 } 4416 int num = 0; 4417 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4418 for (int i=0; i<N; i++) { 4419 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4420 if (file == null) { 4421 Slog.e(TAG, "Package " + pkg.packageName 4422 + " requires unavailable shared library " 4423 + pkg.usesLibraries.get(i) + "; failing!"); 4424 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4425 return false; 4426 } 4427 num = addSharedLibraryLPw(file, num, changingLib); 4428 } 4429 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4430 for (int i=0; i<N; i++) { 4431 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4432 if (file == null) { 4433 Slog.w(TAG, "Package " + pkg.packageName 4434 + " desires unavailable shared library " 4435 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4436 } else { 4437 num = addSharedLibraryLPw(file, num, changingLib); 4438 } 4439 } 4440 if (num > 0) { 4441 pkg.usesLibraryFiles = new String[num]; 4442 System.arraycopy(mTmpSharedLibraries, 0, 4443 pkg.usesLibraryFiles, 0, num); 4444 } else { 4445 pkg.usesLibraryFiles = null; 4446 } 4447 } 4448 return true; 4449 } 4450 4451 private static boolean hasString(List<String> list, List<String> which) { 4452 if (list == null) { 4453 return false; 4454 } 4455 for (int i=list.size()-1; i>=0; i--) { 4456 for (int j=which.size()-1; j>=0; j--) { 4457 if (which.get(j).equals(list.get(i))) { 4458 return true; 4459 } 4460 } 4461 } 4462 return false; 4463 } 4464 4465 private void updateAllSharedLibrariesLPw() { 4466 for (PackageParser.Package pkg : mPackages.values()) { 4467 updateSharedLibrariesLPw(pkg, null); 4468 } 4469 } 4470 4471 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4472 PackageParser.Package changingPkg) { 4473 ArrayList<PackageParser.Package> res = null; 4474 for (PackageParser.Package pkg : mPackages.values()) { 4475 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4476 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4477 if (res == null) { 4478 res = new ArrayList<PackageParser.Package>(); 4479 } 4480 res.add(pkg); 4481 updateSharedLibrariesLPw(pkg, changingPkg); 4482 } 4483 } 4484 return res; 4485 } 4486 4487 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4488 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4489 File scanFile = new File(pkg.mScanPath); 4490 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4491 pkg.applicationInfo.publicSourceDir == null) { 4492 // Bail out. The resource and code paths haven't been set. 4493 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4494 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4495 return null; 4496 } 4497 4498 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4499 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4500 } 4501 4502 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4503 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4504 } 4505 4506 if (mCustomResolverComponentName != null && 4507 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4508 setUpCustomResolverActivity(pkg); 4509 } 4510 4511 if (pkg.packageName.equals("android")) { 4512 synchronized (mPackages) { 4513 if (mAndroidApplication != null) { 4514 Slog.w(TAG, "*************************************************"); 4515 Slog.w(TAG, "Core android package being redefined. Skipping."); 4516 Slog.w(TAG, " file=" + scanFile); 4517 Slog.w(TAG, "*************************************************"); 4518 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4519 return null; 4520 } 4521 4522 // Set up information for our fall-back user intent resolution activity. 4523 mPlatformPackage = pkg; 4524 pkg.mVersionCode = mSdkVersion; 4525 mAndroidApplication = pkg.applicationInfo; 4526 4527 if (!mResolverReplaced) { 4528 mResolveActivity.applicationInfo = mAndroidApplication; 4529 mResolveActivity.name = ResolverActivity.class.getName(); 4530 mResolveActivity.packageName = mAndroidApplication.packageName; 4531 mResolveActivity.processName = "system:ui"; 4532 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4533 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4534 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4535 mResolveActivity.exported = true; 4536 mResolveActivity.enabled = true; 4537 mResolveInfo.activityInfo = mResolveActivity; 4538 mResolveInfo.priority = 0; 4539 mResolveInfo.preferredOrder = 0; 4540 mResolveInfo.match = 0; 4541 mResolveComponentName = new ComponentName( 4542 mAndroidApplication.packageName, mResolveActivity.name); 4543 } 4544 } 4545 } 4546 4547 if (DEBUG_PACKAGE_SCANNING) { 4548 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4549 Log.d(TAG, "Scanning package " + pkg.packageName); 4550 } 4551 4552 if (mPackages.containsKey(pkg.packageName) 4553 || mSharedLibraries.containsKey(pkg.packageName)) { 4554 Slog.w(TAG, "Application package " + pkg.packageName 4555 + " already installed. Skipping duplicate."); 4556 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4557 return null; 4558 } 4559 4560 // Initialize package source and resource directories 4561 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4562 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4563 4564 SharedUserSetting suid = null; 4565 PackageSetting pkgSetting = null; 4566 4567 if (!isSystemApp(pkg)) { 4568 // Only system apps can use these features. 4569 pkg.mOriginalPackages = null; 4570 pkg.mRealPackage = null; 4571 pkg.mAdoptPermissions = null; 4572 } 4573 4574 // writer 4575 synchronized (mPackages) { 4576 if (pkg.mSharedUserId != null) { 4577 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4578 if (suid == null) { 4579 Slog.w(TAG, "Creating application package " + pkg.packageName 4580 + " for shared user failed"); 4581 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4582 return null; 4583 } 4584 if (DEBUG_PACKAGE_SCANNING) { 4585 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4586 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4587 + "): packages=" + suid.packages); 4588 } 4589 } 4590 4591 // Check if we are renaming from an original package name. 4592 PackageSetting origPackage = null; 4593 String realName = null; 4594 if (pkg.mOriginalPackages != null) { 4595 // This package may need to be renamed to a previously 4596 // installed name. Let's check on that... 4597 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4598 if (pkg.mOriginalPackages.contains(renamed)) { 4599 // This package had originally been installed as the 4600 // original name, and we have already taken care of 4601 // transitioning to the new one. Just update the new 4602 // one to continue using the old name. 4603 realName = pkg.mRealPackage; 4604 if (!pkg.packageName.equals(renamed)) { 4605 // Callers into this function may have already taken 4606 // care of renaming the package; only do it here if 4607 // it is not already done. 4608 pkg.setPackageName(renamed); 4609 } 4610 4611 } else { 4612 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4613 if ((origPackage = mSettings.peekPackageLPr( 4614 pkg.mOriginalPackages.get(i))) != null) { 4615 // We do have the package already installed under its 4616 // original name... should we use it? 4617 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4618 // New package is not compatible with original. 4619 origPackage = null; 4620 continue; 4621 } else if (origPackage.sharedUser != null) { 4622 // Make sure uid is compatible between packages. 4623 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4624 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4625 + " to " + pkg.packageName + ": old uid " 4626 + origPackage.sharedUser.name 4627 + " differs from " + pkg.mSharedUserId); 4628 origPackage = null; 4629 continue; 4630 } 4631 } else { 4632 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4633 + pkg.packageName + " to old name " + origPackage.name); 4634 } 4635 break; 4636 } 4637 } 4638 } 4639 } 4640 4641 if (mTransferedPackages.contains(pkg.packageName)) { 4642 Slog.w(TAG, "Package " + pkg.packageName 4643 + " was transferred to another, but its .apk remains"); 4644 } 4645 4646 // Just create the setting, don't add it yet. For already existing packages 4647 // the PkgSetting exists already and doesn't have to be created. 4648 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4649 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4650 pkg.applicationInfo.requiredCpuAbi, 4651 pkg.applicationInfo.flags, user, false); 4652 if (pkgSetting == null) { 4653 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4654 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4655 return null; 4656 } 4657 4658 if (pkgSetting.origPackage != null) { 4659 // If we are first transitioning from an original package, 4660 // fix up the new package's name now. We need to do this after 4661 // looking up the package under its new name, so getPackageLP 4662 // can take care of fiddling things correctly. 4663 pkg.setPackageName(origPackage.name); 4664 4665 // File a report about this. 4666 String msg = "New package " + pkgSetting.realName 4667 + " renamed to replace old package " + pkgSetting.name; 4668 reportSettingsProblem(Log.WARN, msg); 4669 4670 // Make a note of it. 4671 mTransferedPackages.add(origPackage.name); 4672 4673 // No longer need to retain this. 4674 pkgSetting.origPackage = null; 4675 } 4676 4677 if (realName != null) { 4678 // Make a note of it. 4679 mTransferedPackages.add(pkg.packageName); 4680 } 4681 4682 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4683 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4684 } 4685 4686 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4687 // Check all shared libraries and map to their actual file path. 4688 // We only do this here for apps not on a system dir, because those 4689 // are the only ones that can fail an install due to this. We 4690 // will take care of the system apps by updating all of their 4691 // library paths after the scan is done. 4692 if (!updateSharedLibrariesLPw(pkg, null)) { 4693 return null; 4694 } 4695 } 4696 4697 if (mFoundPolicyFile) { 4698 SELinuxMMAC.assignSeinfoValue(pkg); 4699 } 4700 4701 pkg.applicationInfo.uid = pkgSetting.appId; 4702 pkg.mExtras = pkgSetting; 4703 4704 if (!verifySignaturesLP(pkgSetting, pkg)) { 4705 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4706 return null; 4707 } 4708 // The signature has changed, but this package is in the system 4709 // image... let's recover! 4710 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4711 // However... if this package is part of a shared user, but it 4712 // doesn't match the signature of the shared user, let's fail. 4713 // What this means is that you can't change the signatures 4714 // associated with an overall shared user, which doesn't seem all 4715 // that unreasonable. 4716 if (pkgSetting.sharedUser != null) { 4717 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4718 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4719 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4720 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4721 return null; 4722 } 4723 } 4724 // File a report about this. 4725 String msg = "System package " + pkg.packageName 4726 + " signature changed; retaining data."; 4727 reportSettingsProblem(Log.WARN, msg); 4728 } 4729 4730 // Verify that this new package doesn't have any content providers 4731 // that conflict with existing packages. Only do this if the 4732 // package isn't already installed, since we don't want to break 4733 // things that are installed. 4734 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4735 final int N = pkg.providers.size(); 4736 int i; 4737 for (i=0; i<N; i++) { 4738 PackageParser.Provider p = pkg.providers.get(i); 4739 if (p.info.authority != null) { 4740 String names[] = p.info.authority.split(";"); 4741 for (int j = 0; j < names.length; j++) { 4742 if (mProvidersByAuthority.containsKey(names[j])) { 4743 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4744 Slog.w(TAG, "Can't install because provider name " + names[j] + 4745 " (in package " + pkg.applicationInfo.packageName + 4746 ") is already used by " 4747 + ((other != null && other.getComponentName() != null) 4748 ? other.getComponentName().getPackageName() : "?")); 4749 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4750 return null; 4751 } 4752 } 4753 } 4754 } 4755 } 4756 4757 if (pkg.mAdoptPermissions != null) { 4758 // This package wants to adopt ownership of permissions from 4759 // another package. 4760 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4761 final String origName = pkg.mAdoptPermissions.get(i); 4762 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4763 if (orig != null) { 4764 if (verifyPackageUpdateLPr(orig, pkg)) { 4765 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4766 + pkg.packageName); 4767 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4768 } 4769 } 4770 } 4771 } 4772 } 4773 4774 final String pkgName = pkg.packageName; 4775 4776 final long scanFileTime = scanFile.lastModified(); 4777 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4778 pkg.applicationInfo.processName = fixProcessName( 4779 pkg.applicationInfo.packageName, 4780 pkg.applicationInfo.processName, 4781 pkg.applicationInfo.uid); 4782 4783 File dataPath; 4784 if (mPlatformPackage == pkg) { 4785 // The system package is special. 4786 dataPath = new File (Environment.getDataDirectory(), "system"); 4787 pkg.applicationInfo.dataDir = dataPath.getPath(); 4788 } else { 4789 // This is a normal package, need to make its data directory. 4790 dataPath = getDataPathForPackage(pkg.packageName, 0); 4791 4792 boolean uidError = false; 4793 4794 if (dataPath.exists()) { 4795 int currentUid = 0; 4796 try { 4797 StructStat stat = Os.stat(dataPath.getPath()); 4798 currentUid = stat.st_uid; 4799 } catch (ErrnoException e) { 4800 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4801 } 4802 4803 // If we have mismatched owners for the data path, we have a problem. 4804 if (currentUid != pkg.applicationInfo.uid) { 4805 boolean recovered = false; 4806 if (currentUid == 0) { 4807 // The directory somehow became owned by root. Wow. 4808 // This is probably because the system was stopped while 4809 // installd was in the middle of messing with its libs 4810 // directory. Ask installd to fix that. 4811 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4812 pkg.applicationInfo.uid); 4813 if (ret >= 0) { 4814 recovered = true; 4815 String msg = "Package " + pkg.packageName 4816 + " unexpectedly changed to uid 0; recovered to " + 4817 + pkg.applicationInfo.uid; 4818 reportSettingsProblem(Log.WARN, msg); 4819 } 4820 } 4821 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4822 || (scanMode&SCAN_BOOTING) != 0)) { 4823 // If this is a system app, we can at least delete its 4824 // current data so the application will still work. 4825 int ret = removeDataDirsLI(pkgName); 4826 if (ret >= 0) { 4827 // TODO: Kill the processes first 4828 // Old data gone! 4829 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4830 ? "System package " : "Third party package "; 4831 String msg = prefix + pkg.packageName 4832 + " has changed from uid: " 4833 + currentUid + " to " 4834 + pkg.applicationInfo.uid + "; old data erased"; 4835 reportSettingsProblem(Log.WARN, msg); 4836 recovered = true; 4837 4838 // And now re-install the app. 4839 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4840 pkg.applicationInfo.seinfo); 4841 if (ret == -1) { 4842 // Ack should not happen! 4843 msg = prefix + pkg.packageName 4844 + " could not have data directory re-created after delete."; 4845 reportSettingsProblem(Log.WARN, msg); 4846 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4847 return null; 4848 } 4849 } 4850 if (!recovered) { 4851 mHasSystemUidErrors = true; 4852 } 4853 } else if (!recovered) { 4854 // If we allow this install to proceed, we will be broken. 4855 // Abort, abort! 4856 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4857 return null; 4858 } 4859 if (!recovered) { 4860 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4861 + pkg.applicationInfo.uid + "/fs_" 4862 + currentUid; 4863 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4864 String msg = "Package " + pkg.packageName 4865 + " has mismatched uid: " 4866 + currentUid + " on disk, " 4867 + pkg.applicationInfo.uid + " in settings"; 4868 // writer 4869 synchronized (mPackages) { 4870 mSettings.mReadMessages.append(msg); 4871 mSettings.mReadMessages.append('\n'); 4872 uidError = true; 4873 if (!pkgSetting.uidError) { 4874 reportSettingsProblem(Log.ERROR, msg); 4875 } 4876 } 4877 } 4878 } 4879 pkg.applicationInfo.dataDir = dataPath.getPath(); 4880 if (mShouldRestoreconData) { 4881 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 4882 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 4883 pkg.applicationInfo.uid); 4884 } 4885 } else { 4886 if (DEBUG_PACKAGE_SCANNING) { 4887 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4888 Log.v(TAG, "Want this data dir: " + dataPath); 4889 } 4890 //invoke installer to do the actual installation 4891 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4892 pkg.applicationInfo.seinfo); 4893 if (ret < 0) { 4894 // Error from installer 4895 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4896 return null; 4897 } 4898 4899 if (dataPath.exists()) { 4900 pkg.applicationInfo.dataDir = dataPath.getPath(); 4901 } else { 4902 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4903 pkg.applicationInfo.dataDir = null; 4904 } 4905 } 4906 4907 /* 4908 * Set the data dir to the default "/data/data/<package name>/lib" 4909 * if we got here without anyone telling us different (e.g., apps 4910 * stored on SD card have their native libraries stored in the ASEC 4911 * container with the APK). 4912 * 4913 * This happens during an upgrade from a package settings file that 4914 * doesn't have a native library path attribute at all. 4915 */ 4916 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4917 if (pkgSetting.nativeLibraryPathString == null) { 4918 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4919 } else { 4920 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4921 } 4922 } 4923 pkgSetting.uidError = uidError; 4924 } 4925 4926 String path = scanFile.getPath(); 4927 /* Note: We don't want to unpack the native binaries for 4928 * system applications, unless they have been updated 4929 * (the binaries are already under /system/lib). 4930 * Also, don't unpack libs for apps on the external card 4931 * since they should have their libraries in the ASEC 4932 * container already. 4933 * 4934 * In other words, we're going to unpack the binaries 4935 * only for non-system apps and system app upgrades. 4936 */ 4937 if (pkg.applicationInfo.nativeLibraryDir != null) { 4938 try { 4939 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4940 final String dataPathString = dataPath.getCanonicalPath(); 4941 4942 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4943 /* 4944 * Upgrading from a previous version of the OS sometimes 4945 * leaves native libraries in the /data/data/<app>/lib 4946 * directory for system apps even when they shouldn't be. 4947 * Recent changes in the JNI library search path 4948 * necessitates we remove those to match previous behavior. 4949 */ 4950 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 4951 Log.i(TAG, "removed obsolete native libraries for system package " 4952 + path); 4953 } 4954 } else { 4955 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 4956 /* 4957 * Update native library dir if it starts with 4958 * /data/data 4959 */ 4960 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 4961 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4962 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4963 } 4964 4965 try { 4966 int copyRet = copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir); 4967 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 4968 Slog.e(TAG, "Unable to copy native libraries"); 4969 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4970 return null; 4971 } 4972 4973 // We've successfully copied native libraries across, so we make a 4974 // note of what ABI we're using 4975 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 4976 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[copyRet]; 4977 } else { 4978 pkg.applicationInfo.requiredCpuAbi = null; 4979 } 4980 } catch (IOException e) { 4981 Slog.e(TAG, "Unable to copy native libraries", e); 4982 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4983 return null; 4984 } 4985 } 4986 4987 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 4988 final int[] userIds = sUserManager.getUserIds(); 4989 synchronized (mInstallLock) { 4990 for (int userId : userIds) { 4991 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 4992 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 4993 Slog.w(TAG, "Failed linking native library dir (user=" + userId 4994 + ")"); 4995 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4996 return null; 4997 } 4998 } 4999 } 5000 } 5001 } catch (IOException ioe) { 5002 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5003 } 5004 } 5005 pkg.mScanPath = path; 5006 5007 if ((scanMode&SCAN_NO_DEX) == 0) { 5008 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5009 == DEX_OPT_FAILED) { 5010 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5011 removeDataDirsLI(pkg.packageName); 5012 } 5013 5014 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5015 return null; 5016 } 5017 } 5018 5019 if (mFactoryTest && pkg.requestedPermissions.contains( 5020 android.Manifest.permission.FACTORY_TEST)) { 5021 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5022 } 5023 5024 ArrayList<PackageParser.Package> clientLibPkgs = null; 5025 5026 // writer 5027 synchronized (mPackages) { 5028 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5029 // Only system apps can add new shared libraries. 5030 if (pkg.libraryNames != null) { 5031 for (int i=0; i<pkg.libraryNames.size(); i++) { 5032 String name = pkg.libraryNames.get(i); 5033 boolean allowed = false; 5034 if (isUpdatedSystemApp(pkg)) { 5035 // New library entries can only be added through the 5036 // system image. This is important to get rid of a lot 5037 // of nasty edge cases: for example if we allowed a non- 5038 // system update of the app to add a library, then uninstalling 5039 // the update would make the library go away, and assumptions 5040 // we made such as through app install filtering would now 5041 // have allowed apps on the device which aren't compatible 5042 // with it. Better to just have the restriction here, be 5043 // conservative, and create many fewer cases that can negatively 5044 // impact the user experience. 5045 final PackageSetting sysPs = mSettings 5046 .getDisabledSystemPkgLPr(pkg.packageName); 5047 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5048 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5049 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5050 allowed = true; 5051 allowed = true; 5052 break; 5053 } 5054 } 5055 } 5056 } else { 5057 allowed = true; 5058 } 5059 if (allowed) { 5060 if (!mSharedLibraries.containsKey(name)) { 5061 mSharedLibraries.put(name, new SharedLibraryEntry(null, 5062 pkg.packageName)); 5063 } else if (!name.equals(pkg.packageName)) { 5064 Slog.w(TAG, "Package " + pkg.packageName + " library " 5065 + name + " already exists; skipping"); 5066 } 5067 } else { 5068 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5069 + name + " that is not declared on system image; skipping"); 5070 } 5071 } 5072 if ((scanMode&SCAN_BOOTING) == 0) { 5073 // If we are not booting, we need to update any applications 5074 // that are clients of our shared library. If we are booting, 5075 // this will all be done once the scan is complete. 5076 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5077 } 5078 } 5079 } 5080 } 5081 5082 // We also need to dexopt any apps that are dependent on this library. Note that 5083 // if these fail, we should abort the install since installing the library will 5084 // result in some apps being broken. 5085 if (clientLibPkgs != null) { 5086 if ((scanMode&SCAN_NO_DEX) == 0) { 5087 for (int i=0; i<clientLibPkgs.size(); i++) { 5088 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5089 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5090 == DEX_OPT_FAILED) { 5091 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5092 removeDataDirsLI(pkg.packageName); 5093 } 5094 5095 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5096 return null; 5097 } 5098 } 5099 } 5100 } 5101 5102 // Request the ActivityManager to kill the process(only for existing packages) 5103 // so that we do not end up in a confused state while the user is still using the older 5104 // version of the application while the new one gets installed. 5105 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5106 // If the package lives in an asec, tell everyone that the container is going 5107 // away so they can clean up any references to its resources (which would prevent 5108 // vold from being able to unmount the asec) 5109 if (isForwardLocked(pkg) || isExternal(pkg)) { 5110 if (DEBUG_INSTALL) { 5111 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5112 } 5113 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5114 final ArrayList<String> pkgList = new ArrayList<String>(1); 5115 pkgList.add(pkg.applicationInfo.packageName); 5116 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5117 } 5118 5119 // Post the request that it be killed now that the going-away broadcast is en route 5120 killApplication(pkg.applicationInfo.packageName, 5121 pkg.applicationInfo.uid, "update pkg"); 5122 } 5123 5124 // Also need to kill any apps that are dependent on the library. 5125 if (clientLibPkgs != null) { 5126 for (int i=0; i<clientLibPkgs.size(); i++) { 5127 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5128 killApplication(clientPkg.applicationInfo.packageName, 5129 clientPkg.applicationInfo.uid, "update lib"); 5130 } 5131 } 5132 5133 // writer 5134 synchronized (mPackages) { 5135 // We don't expect installation to fail beyond this point, 5136 if ((scanMode&SCAN_MONITOR) != 0) { 5137 mAppDirs.put(pkg.mPath, pkg); 5138 } 5139 // Add the new setting to mSettings 5140 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5141 // Add the new setting to mPackages 5142 mPackages.put(pkg.applicationInfo.packageName, pkg); 5143 // Make sure we don't accidentally delete its data. 5144 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5145 while (iter.hasNext()) { 5146 PackageCleanItem item = iter.next(); 5147 if (pkgName.equals(item.packageName)) { 5148 iter.remove(); 5149 } 5150 } 5151 5152 // Take care of first install / last update times. 5153 if (currentTime != 0) { 5154 if (pkgSetting.firstInstallTime == 0) { 5155 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5156 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5157 pkgSetting.lastUpdateTime = currentTime; 5158 } 5159 } else if (pkgSetting.firstInstallTime == 0) { 5160 // We need *something*. Take time time stamp of the file. 5161 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5162 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5163 if (scanFileTime != pkgSetting.timeStamp) { 5164 // A package on the system image has changed; consider this 5165 // to be an update. 5166 pkgSetting.lastUpdateTime = scanFileTime; 5167 } 5168 } 5169 5170 // Add the package's KeySets to the global KeySetManager 5171 KeySetManager ksm = mSettings.mKeySetManager; 5172 try { 5173 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5174 if (pkg.mKeySetMapping != null) { 5175 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5176 if (entry.getValue() != null) { 5177 ksm.addDefinedKeySetToPackage(pkg.packageName, 5178 entry.getValue(), entry.getKey()); 5179 } 5180 } 5181 } 5182 } catch (NullPointerException e) { 5183 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5184 } catch (IllegalArgumentException e) { 5185 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5186 } 5187 5188 int N = pkg.providers.size(); 5189 StringBuilder r = null; 5190 int i; 5191 for (i=0; i<N; i++) { 5192 PackageParser.Provider p = pkg.providers.get(i); 5193 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5194 p.info.processName, pkg.applicationInfo.uid); 5195 mProviders.addProvider(p); 5196 p.syncable = p.info.isSyncable; 5197 if (p.info.authority != null) { 5198 String names[] = p.info.authority.split(";"); 5199 p.info.authority = null; 5200 for (int j = 0; j < names.length; j++) { 5201 if (j == 1 && p.syncable) { 5202 // We only want the first authority for a provider to possibly be 5203 // syncable, so if we already added this provider using a different 5204 // authority clear the syncable flag. We copy the provider before 5205 // changing it because the mProviders object contains a reference 5206 // to a provider that we don't want to change. 5207 // Only do this for the second authority since the resulting provider 5208 // object can be the same for all future authorities for this provider. 5209 p = new PackageParser.Provider(p); 5210 p.syncable = false; 5211 } 5212 if (!mProvidersByAuthority.containsKey(names[j])) { 5213 mProvidersByAuthority.put(names[j], p); 5214 if (p.info.authority == null) { 5215 p.info.authority = names[j]; 5216 } else { 5217 p.info.authority = p.info.authority + ";" + names[j]; 5218 } 5219 if (DEBUG_PACKAGE_SCANNING) { 5220 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5221 Log.d(TAG, "Registered content provider: " + names[j] 5222 + ", className = " + p.info.name + ", isSyncable = " 5223 + p.info.isSyncable); 5224 } 5225 } else { 5226 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5227 Slog.w(TAG, "Skipping provider name " + names[j] + 5228 " (in package " + pkg.applicationInfo.packageName + 5229 "): name already used by " 5230 + ((other != null && other.getComponentName() != null) 5231 ? other.getComponentName().getPackageName() : "?")); 5232 } 5233 } 5234 } 5235 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5236 if (r == null) { 5237 r = new StringBuilder(256); 5238 } else { 5239 r.append(' '); 5240 } 5241 r.append(p.info.name); 5242 } 5243 } 5244 if (r != null) { 5245 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5246 } 5247 5248 N = pkg.services.size(); 5249 r = null; 5250 for (i=0; i<N; i++) { 5251 PackageParser.Service s = pkg.services.get(i); 5252 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5253 s.info.processName, pkg.applicationInfo.uid); 5254 mServices.addService(s); 5255 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5256 if (r == null) { 5257 r = new StringBuilder(256); 5258 } else { 5259 r.append(' '); 5260 } 5261 r.append(s.info.name); 5262 } 5263 } 5264 if (r != null) { 5265 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5266 } 5267 5268 N = pkg.receivers.size(); 5269 r = null; 5270 for (i=0; i<N; i++) { 5271 PackageParser.Activity a = pkg.receivers.get(i); 5272 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5273 a.info.processName, pkg.applicationInfo.uid); 5274 mReceivers.addActivity(a, "receiver"); 5275 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5276 if (r == null) { 5277 r = new StringBuilder(256); 5278 } else { 5279 r.append(' '); 5280 } 5281 r.append(a.info.name); 5282 } 5283 } 5284 if (r != null) { 5285 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5286 } 5287 5288 N = pkg.activities.size(); 5289 r = null; 5290 for (i=0; i<N; i++) { 5291 PackageParser.Activity a = pkg.activities.get(i); 5292 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5293 a.info.processName, pkg.applicationInfo.uid); 5294 mActivities.addActivity(a, "activity"); 5295 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5296 if (r == null) { 5297 r = new StringBuilder(256); 5298 } else { 5299 r.append(' '); 5300 } 5301 r.append(a.info.name); 5302 } 5303 } 5304 if (r != null) { 5305 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5306 } 5307 5308 N = pkg.permissionGroups.size(); 5309 r = null; 5310 for (i=0; i<N; i++) { 5311 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5312 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5313 if (cur == null) { 5314 mPermissionGroups.put(pg.info.name, pg); 5315 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5316 if (r == null) { 5317 r = new StringBuilder(256); 5318 } else { 5319 r.append(' '); 5320 } 5321 r.append(pg.info.name); 5322 } 5323 } else { 5324 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5325 + pg.info.packageName + " ignored: original from " 5326 + cur.info.packageName); 5327 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5328 if (r == null) { 5329 r = new StringBuilder(256); 5330 } else { 5331 r.append(' '); 5332 } 5333 r.append("DUP:"); 5334 r.append(pg.info.name); 5335 } 5336 } 5337 } 5338 if (r != null) { 5339 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5340 } 5341 5342 N = pkg.permissions.size(); 5343 r = null; 5344 for (i=0; i<N; i++) { 5345 PackageParser.Permission p = pkg.permissions.get(i); 5346 HashMap<String, BasePermission> permissionMap = 5347 p.tree ? mSettings.mPermissionTrees 5348 : mSettings.mPermissions; 5349 p.group = mPermissionGroups.get(p.info.group); 5350 if (p.info.group == null || p.group != null) { 5351 BasePermission bp = permissionMap.get(p.info.name); 5352 if (bp == null) { 5353 bp = new BasePermission(p.info.name, p.info.packageName, 5354 BasePermission.TYPE_NORMAL); 5355 permissionMap.put(p.info.name, bp); 5356 } 5357 if (bp.perm == null) { 5358 if (bp.sourcePackage != null 5359 && !bp.sourcePackage.equals(p.info.packageName)) { 5360 // If this is a permission that was formerly defined by a non-system 5361 // app, but is now defined by a system app (following an upgrade), 5362 // discard the previous declaration and consider the system's to be 5363 // canonical. 5364 if (isSystemApp(p.owner)) { 5365 String msg = "New decl " + p.owner + " of permission " 5366 + p.info.name + " is system"; 5367 reportSettingsProblem(Log.WARN, msg); 5368 bp.sourcePackage = null; 5369 } 5370 } 5371 if (bp.sourcePackage == null 5372 || bp.sourcePackage.equals(p.info.packageName)) { 5373 BasePermission tree = findPermissionTreeLP(p.info.name); 5374 if (tree == null 5375 || tree.sourcePackage.equals(p.info.packageName)) { 5376 bp.packageSetting = pkgSetting; 5377 bp.perm = p; 5378 bp.uid = pkg.applicationInfo.uid; 5379 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5380 if (r == null) { 5381 r = new StringBuilder(256); 5382 } else { 5383 r.append(' '); 5384 } 5385 r.append(p.info.name); 5386 } 5387 } else { 5388 Slog.w(TAG, "Permission " + p.info.name + " from package " 5389 + p.info.packageName + " ignored: base tree " 5390 + tree.name + " is from package " 5391 + tree.sourcePackage); 5392 } 5393 } else { 5394 Slog.w(TAG, "Permission " + p.info.name + " from package " 5395 + p.info.packageName + " ignored: original from " 5396 + bp.sourcePackage); 5397 } 5398 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5399 if (r == null) { 5400 r = new StringBuilder(256); 5401 } else { 5402 r.append(' '); 5403 } 5404 r.append("DUP:"); 5405 r.append(p.info.name); 5406 } 5407 if (bp.perm == p) { 5408 bp.protectionLevel = p.info.protectionLevel; 5409 } 5410 } else { 5411 Slog.w(TAG, "Permission " + p.info.name + " from package " 5412 + p.info.packageName + " ignored: no group " 5413 + p.group); 5414 } 5415 } 5416 if (r != null) { 5417 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5418 } 5419 5420 N = pkg.instrumentation.size(); 5421 r = null; 5422 for (i=0; i<N; i++) { 5423 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5424 a.info.packageName = pkg.applicationInfo.packageName; 5425 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5426 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5427 a.info.dataDir = pkg.applicationInfo.dataDir; 5428 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5429 mInstrumentation.put(a.getComponentName(), a); 5430 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5431 if (r == null) { 5432 r = new StringBuilder(256); 5433 } else { 5434 r.append(' '); 5435 } 5436 r.append(a.info.name); 5437 } 5438 } 5439 if (r != null) { 5440 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5441 } 5442 5443 if (pkg.protectedBroadcasts != null) { 5444 N = pkg.protectedBroadcasts.size(); 5445 for (i=0; i<N; i++) { 5446 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5447 } 5448 } 5449 5450 pkgSetting.setTimeStamp(scanFileTime); 5451 5452 // Create idmap files for pairs of (packages, overlay packages). 5453 // Note: "android", ie framework-res.apk, is handled by native layers. 5454 if (pkg.mOverlayTarget != null) { 5455 // This is an overlay package. 5456 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5457 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5458 mOverlays.put(pkg.mOverlayTarget, 5459 new HashMap<String, PackageParser.Package>()); 5460 } 5461 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5462 map.put(pkg.packageName, pkg); 5463 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5464 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5465 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5466 return null; 5467 } 5468 } 5469 } else if (mOverlays.containsKey(pkg.packageName) && 5470 !pkg.packageName.equals("android")) { 5471 // This is a regular package, with one or more known overlay packages. 5472 createIdmapsForPackageLI(pkg); 5473 } 5474 } 5475 5476 return pkg; 5477 } 5478 5479 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5480 synchronized (mPackages) { 5481 mResolverReplaced = true; 5482 // Set up information for custom user intent resolution activity. 5483 mResolveActivity.applicationInfo = pkg.applicationInfo; 5484 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5485 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5486 mResolveActivity.processName = null; 5487 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5488 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5489 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5490 mResolveActivity.theme = 0; 5491 mResolveActivity.exported = true; 5492 mResolveActivity.enabled = true; 5493 mResolveInfo.activityInfo = mResolveActivity; 5494 mResolveInfo.priority = 0; 5495 mResolveInfo.preferredOrder = 0; 5496 mResolveInfo.match = 0; 5497 mResolveComponentName = mCustomResolverComponentName; 5498 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5499 mResolveComponentName); 5500 } 5501 } 5502 5503 private String calculateApkRoot(final String codePathString) { 5504 final File codePath = new File(codePathString); 5505 final File codeRoot; 5506 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 5507 codeRoot = Environment.getRootDirectory(); 5508 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 5509 codeRoot = Environment.getOemDirectory(); 5510 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 5511 codeRoot = Environment.getVendorDirectory(); 5512 } else { 5513 // Unrecognized code path; take its top real segment as the apk root: 5514 // e.g. /something/app/blah.apk => /something 5515 try { 5516 File f = codePath.getCanonicalFile(); 5517 File parent = f.getParentFile(); // non-null because codePath is a file 5518 File tmp; 5519 while ((tmp = parent.getParentFile()) != null) { 5520 f = parent; 5521 parent = tmp; 5522 } 5523 codeRoot = f; 5524 Slog.w(TAG, "Unrecognized code path " 5525 + codePath + " - using " + codeRoot); 5526 } catch (IOException e) { 5527 // Can't canonicalize the lib path -- shenanigans? 5528 Slog.w(TAG, "Can't canonicalize code path " + codePath); 5529 return Environment.getRootDirectory().getPath(); 5530 } 5531 } 5532 return codeRoot.getPath(); 5533 } 5534 5535 // This is the initial scan-time determination of how to handle a given 5536 // package for purposes of native library location. 5537 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5538 PackageSetting pkgSetting) { 5539 // "bundled" here means system-installed with no overriding update 5540 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 5541 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5542 final File libDir; 5543 if (bundledApk) { 5544 // If "/system/lib64/apkname" exists, assume that is the per-package 5545 // native library directory to use; otherwise use "/system/lib/apkname". 5546 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5547 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 5548 File packLib64 = new File(lib64, apkName); 5549 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 5550 } else { 5551 libDir = mAppLibInstallDir; 5552 } 5553 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 5554 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5555 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5556 } 5557 5558 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5559 throws IOException { 5560 if (!nativeLibraryDir.isDirectory()) { 5561 nativeLibraryDir.delete(); 5562 5563 if (!nativeLibraryDir.mkdir()) { 5564 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5565 } 5566 5567 try { 5568 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 5569 } catch (ErrnoException e) { 5570 throw new IOException("Cannot chmod native library directory " 5571 + nativeLibraryDir.getPath(), e); 5572 } 5573 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5574 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5575 } 5576 5577 /* 5578 * If this is an internal application or our nativeLibraryPath points to 5579 * the app-lib directory, unpack the libraries if necessary. 5580 */ 5581 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5582 try { 5583 int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5584 if (abi >= 0) { 5585 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 5586 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 5587 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 5588 return copyRet; 5589 } 5590 } 5591 5592 return abi; 5593 } finally { 5594 handle.close(); 5595 } 5596 } 5597 5598 private void killApplication(String pkgName, int appId, String reason) { 5599 // Request the ActivityManager to kill the process(only for existing packages) 5600 // so that we do not end up in a confused state while the user is still using the older 5601 // version of the application while the new one gets installed. 5602 IActivityManager am = ActivityManagerNative.getDefault(); 5603 if (am != null) { 5604 try { 5605 am.killApplicationWithAppId(pkgName, appId, reason); 5606 } catch (RemoteException e) { 5607 } 5608 } 5609 } 5610 5611 void removePackageLI(PackageSetting ps, boolean chatty) { 5612 if (DEBUG_INSTALL) { 5613 if (chatty) 5614 Log.d(TAG, "Removing package " + ps.name); 5615 } 5616 5617 // writer 5618 synchronized (mPackages) { 5619 mPackages.remove(ps.name); 5620 if (ps.codePathString != null) { 5621 mAppDirs.remove(ps.codePathString); 5622 } 5623 5624 final PackageParser.Package pkg = ps.pkg; 5625 if (pkg != null) { 5626 cleanPackageDataStructuresLILPw(pkg, chatty); 5627 } 5628 } 5629 } 5630 5631 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5632 if (DEBUG_INSTALL) { 5633 if (chatty) 5634 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5635 } 5636 5637 // writer 5638 synchronized (mPackages) { 5639 mPackages.remove(pkg.applicationInfo.packageName); 5640 if (pkg.mPath != null) { 5641 mAppDirs.remove(pkg.mPath); 5642 } 5643 cleanPackageDataStructuresLILPw(pkg, chatty); 5644 } 5645 } 5646 5647 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5648 int N = pkg.providers.size(); 5649 StringBuilder r = null; 5650 int i; 5651 for (i=0; i<N; i++) { 5652 PackageParser.Provider p = pkg.providers.get(i); 5653 mProviders.removeProvider(p); 5654 if (p.info.authority == null) { 5655 5656 /* There was another ContentProvider with this authority when 5657 * this app was installed so this authority is null, 5658 * Ignore it as we don't have to unregister the provider. 5659 */ 5660 continue; 5661 } 5662 String names[] = p.info.authority.split(";"); 5663 for (int j = 0; j < names.length; j++) { 5664 if (mProvidersByAuthority.get(names[j]) == p) { 5665 mProvidersByAuthority.remove(names[j]); 5666 if (DEBUG_REMOVE) { 5667 if (chatty) 5668 Log.d(TAG, "Unregistered content provider: " + names[j] 5669 + ", className = " + p.info.name + ", isSyncable = " 5670 + p.info.isSyncable); 5671 } 5672 } 5673 } 5674 if (DEBUG_REMOVE && chatty) { 5675 if (r == null) { 5676 r = new StringBuilder(256); 5677 } else { 5678 r.append(' '); 5679 } 5680 r.append(p.info.name); 5681 } 5682 } 5683 if (r != null) { 5684 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5685 } 5686 5687 N = pkg.services.size(); 5688 r = null; 5689 for (i=0; i<N; i++) { 5690 PackageParser.Service s = pkg.services.get(i); 5691 mServices.removeService(s); 5692 if (chatty) { 5693 if (r == null) { 5694 r = new StringBuilder(256); 5695 } else { 5696 r.append(' '); 5697 } 5698 r.append(s.info.name); 5699 } 5700 } 5701 if (r != null) { 5702 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5703 } 5704 5705 N = pkg.receivers.size(); 5706 r = null; 5707 for (i=0; i<N; i++) { 5708 PackageParser.Activity a = pkg.receivers.get(i); 5709 mReceivers.removeActivity(a, "receiver"); 5710 if (DEBUG_REMOVE && chatty) { 5711 if (r == null) { 5712 r = new StringBuilder(256); 5713 } else { 5714 r.append(' '); 5715 } 5716 r.append(a.info.name); 5717 } 5718 } 5719 if (r != null) { 5720 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5721 } 5722 5723 N = pkg.activities.size(); 5724 r = null; 5725 for (i=0; i<N; i++) { 5726 PackageParser.Activity a = pkg.activities.get(i); 5727 mActivities.removeActivity(a, "activity"); 5728 if (DEBUG_REMOVE && chatty) { 5729 if (r == null) { 5730 r = new StringBuilder(256); 5731 } else { 5732 r.append(' '); 5733 } 5734 r.append(a.info.name); 5735 } 5736 } 5737 if (r != null) { 5738 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5739 } 5740 5741 N = pkg.permissions.size(); 5742 r = null; 5743 for (i=0; i<N; i++) { 5744 PackageParser.Permission p = pkg.permissions.get(i); 5745 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5746 if (bp == null) { 5747 bp = mSettings.mPermissionTrees.get(p.info.name); 5748 } 5749 if (bp != null && bp.perm == p) { 5750 bp.perm = null; 5751 if (DEBUG_REMOVE && chatty) { 5752 if (r == null) { 5753 r = new StringBuilder(256); 5754 } else { 5755 r.append(' '); 5756 } 5757 r.append(p.info.name); 5758 } 5759 } 5760 } 5761 if (r != null) { 5762 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5763 } 5764 5765 N = pkg.instrumentation.size(); 5766 r = null; 5767 for (i=0; i<N; i++) { 5768 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5769 mInstrumentation.remove(a.getComponentName()); 5770 if (DEBUG_REMOVE && chatty) { 5771 if (r == null) { 5772 r = new StringBuilder(256); 5773 } else { 5774 r.append(' '); 5775 } 5776 r.append(a.info.name); 5777 } 5778 } 5779 if (r != null) { 5780 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5781 } 5782 5783 r = null; 5784 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5785 // Only system apps can hold shared libraries. 5786 if (pkg.libraryNames != null) { 5787 for (i=0; i<pkg.libraryNames.size(); i++) { 5788 String name = pkg.libraryNames.get(i); 5789 SharedLibraryEntry cur = mSharedLibraries.get(name); 5790 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5791 mSharedLibraries.remove(name); 5792 if (DEBUG_REMOVE && chatty) { 5793 if (r == null) { 5794 r = new StringBuilder(256); 5795 } else { 5796 r.append(' '); 5797 } 5798 r.append(name); 5799 } 5800 } 5801 } 5802 } 5803 } 5804 if (r != null) { 5805 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5806 } 5807 } 5808 5809 private static final boolean isPackageFilename(String name) { 5810 return name != null && name.endsWith(".apk"); 5811 } 5812 5813 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5814 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5815 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5816 return true; 5817 } 5818 } 5819 return false; 5820 } 5821 5822 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 5823 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 5824 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 5825 5826 private void updatePermissionsLPw(String changingPkg, 5827 PackageParser.Package pkgInfo, int flags) { 5828 // Make sure there are no dangling permission trees. 5829 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 5830 while (it.hasNext()) { 5831 final BasePermission bp = it.next(); 5832 if (bp.packageSetting == null) { 5833 // We may not yet have parsed the package, so just see if 5834 // we still know about its settings. 5835 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5836 } 5837 if (bp.packageSetting == null) { 5838 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 5839 + " from package " + bp.sourcePackage); 5840 it.remove(); 5841 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5842 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5843 Slog.i(TAG, "Removing old permission tree: " + bp.name 5844 + " from package " + bp.sourcePackage); 5845 flags |= UPDATE_PERMISSIONS_ALL; 5846 it.remove(); 5847 } 5848 } 5849 } 5850 5851 // Make sure all dynamic permissions have been assigned to a package, 5852 // and make sure there are no dangling permissions. 5853 it = mSettings.mPermissions.values().iterator(); 5854 while (it.hasNext()) { 5855 final BasePermission bp = it.next(); 5856 if (bp.type == BasePermission.TYPE_DYNAMIC) { 5857 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 5858 + bp.name + " pkg=" + bp.sourcePackage 5859 + " info=" + bp.pendingInfo); 5860 if (bp.packageSetting == null && bp.pendingInfo != null) { 5861 final BasePermission tree = findPermissionTreeLP(bp.name); 5862 if (tree != null && tree.perm != null) { 5863 bp.packageSetting = tree.packageSetting; 5864 bp.perm = new PackageParser.Permission(tree.perm.owner, 5865 new PermissionInfo(bp.pendingInfo)); 5866 bp.perm.info.packageName = tree.perm.info.packageName; 5867 bp.perm.info.name = bp.name; 5868 bp.uid = tree.uid; 5869 } 5870 } 5871 } 5872 if (bp.packageSetting == null) { 5873 // We may not yet have parsed the package, so just see if 5874 // we still know about its settings. 5875 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5876 } 5877 if (bp.packageSetting == null) { 5878 Slog.w(TAG, "Removing dangling permission: " + bp.name 5879 + " from package " + bp.sourcePackage); 5880 it.remove(); 5881 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5882 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5883 Slog.i(TAG, "Removing old permission: " + bp.name 5884 + " from package " + bp.sourcePackage); 5885 flags |= UPDATE_PERMISSIONS_ALL; 5886 it.remove(); 5887 } 5888 } 5889 } 5890 5891 // Now update the permissions for all packages, in particular 5892 // replace the granted permissions of the system packages. 5893 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 5894 for (PackageParser.Package pkg : mPackages.values()) { 5895 if (pkg != pkgInfo) { 5896 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 5897 } 5898 } 5899 } 5900 5901 if (pkgInfo != null) { 5902 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 5903 } 5904 } 5905 5906 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 5907 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5908 if (ps == null) { 5909 return; 5910 } 5911 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 5912 HashSet<String> origPermissions = gp.grantedPermissions; 5913 boolean changedPermission = false; 5914 5915 if (replace) { 5916 ps.permissionsFixed = false; 5917 if (gp == ps) { 5918 origPermissions = new HashSet<String>(gp.grantedPermissions); 5919 gp.grantedPermissions.clear(); 5920 gp.gids = mGlobalGids; 5921 } 5922 } 5923 5924 if (gp.gids == null) { 5925 gp.gids = mGlobalGids; 5926 } 5927 5928 final int N = pkg.requestedPermissions.size(); 5929 for (int i=0; i<N; i++) { 5930 final String name = pkg.requestedPermissions.get(i); 5931 final boolean required = pkg.requestedPermissionsRequired.get(i); 5932 final BasePermission bp = mSettings.mPermissions.get(name); 5933 if (DEBUG_INSTALL) { 5934 if (gp != ps) { 5935 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 5936 } 5937 } 5938 5939 if (bp == null || bp.packageSetting == null) { 5940 Slog.w(TAG, "Unknown permission " + name 5941 + " in package " + pkg.packageName); 5942 continue; 5943 } 5944 5945 final String perm = bp.name; 5946 boolean allowed; 5947 boolean allowedSig = false; 5948 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 5949 if (level == PermissionInfo.PROTECTION_NORMAL 5950 || level == PermissionInfo.PROTECTION_DANGEROUS) { 5951 // We grant a normal or dangerous permission if any of the following 5952 // are true: 5953 // 1) The permission is required 5954 // 2) The permission is optional, but was granted in the past 5955 // 3) The permission is optional, but was requested by an 5956 // app in /system (not /data) 5957 // 5958 // Otherwise, reject the permission. 5959 allowed = (required || origPermissions.contains(perm) 5960 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 5961 } else if (bp.packageSetting == null) { 5962 // This permission is invalid; skip it. 5963 allowed = false; 5964 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 5965 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 5966 if (allowed) { 5967 allowedSig = true; 5968 } 5969 } else { 5970 allowed = false; 5971 } 5972 if (DEBUG_INSTALL) { 5973 if (gp != ps) { 5974 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 5975 } 5976 } 5977 if (allowed) { 5978 if (!isSystemApp(ps) && ps.permissionsFixed) { 5979 // If this is an existing, non-system package, then 5980 // we can't add any new permissions to it. 5981 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 5982 // Except... if this is a permission that was added 5983 // to the platform (note: need to only do this when 5984 // updating the platform). 5985 allowed = isNewPlatformPermissionForPackage(perm, pkg); 5986 } 5987 } 5988 if (allowed) { 5989 if (!gp.grantedPermissions.contains(perm)) { 5990 changedPermission = true; 5991 gp.grantedPermissions.add(perm); 5992 gp.gids = appendInts(gp.gids, bp.gids); 5993 } else if (!ps.haveGids) { 5994 gp.gids = appendInts(gp.gids, bp.gids); 5995 } 5996 } else { 5997 Slog.w(TAG, "Not granting permission " + perm 5998 + " to package " + pkg.packageName 5999 + " because it was previously installed without"); 6000 } 6001 } else { 6002 if (gp.grantedPermissions.remove(perm)) { 6003 changedPermission = true; 6004 gp.gids = removeInts(gp.gids, bp.gids); 6005 Slog.i(TAG, "Un-granting permission " + perm 6006 + " from package " + pkg.packageName 6007 + " (protectionLevel=" + bp.protectionLevel 6008 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6009 + ")"); 6010 } else { 6011 Slog.w(TAG, "Not granting permission " + perm 6012 + " to package " + pkg.packageName 6013 + " (protectionLevel=" + bp.protectionLevel 6014 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6015 + ")"); 6016 } 6017 } 6018 } 6019 6020 if ((changedPermission || replace) && !ps.permissionsFixed && 6021 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6022 // This is the first that we have heard about this package, so the 6023 // permissions we have now selected are fixed until explicitly 6024 // changed. 6025 ps.permissionsFixed = true; 6026 } 6027 ps.haveGids = true; 6028 } 6029 6030 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6031 boolean allowed = false; 6032 final int NP = PackageParser.NEW_PERMISSIONS.length; 6033 for (int ip=0; ip<NP; ip++) { 6034 final PackageParser.NewPermissionInfo npi 6035 = PackageParser.NEW_PERMISSIONS[ip]; 6036 if (npi.name.equals(perm) 6037 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6038 allowed = true; 6039 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6040 + pkg.packageName); 6041 break; 6042 } 6043 } 6044 return allowed; 6045 } 6046 6047 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6048 BasePermission bp, HashSet<String> origPermissions) { 6049 boolean allowed; 6050 allowed = (compareSignatures( 6051 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6052 == PackageManager.SIGNATURE_MATCH) 6053 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6054 == PackageManager.SIGNATURE_MATCH); 6055 if (!allowed && (bp.protectionLevel 6056 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6057 if (isSystemApp(pkg)) { 6058 // For updated system applications, a system permission 6059 // is granted only if it had been defined by the original application. 6060 if (isUpdatedSystemApp(pkg)) { 6061 final PackageSetting sysPs = mSettings 6062 .getDisabledSystemPkgLPr(pkg.packageName); 6063 final GrantedPermissions origGp = sysPs.sharedUser != null 6064 ? sysPs.sharedUser : sysPs; 6065 6066 if (origGp.grantedPermissions.contains(perm)) { 6067 // If the original was granted this permission, we take 6068 // that grant decision as read and propagate it to the 6069 // update. 6070 allowed = true; 6071 } else { 6072 // The system apk may have been updated with an older 6073 // version of the one on the data partition, but which 6074 // granted a new system permission that it didn't have 6075 // before. In this case we do want to allow the app to 6076 // now get the new permission if the ancestral apk is 6077 // privileged to get it. 6078 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6079 for (int j=0; 6080 j<sysPs.pkg.requestedPermissions.size(); j++) { 6081 if (perm.equals( 6082 sysPs.pkg.requestedPermissions.get(j))) { 6083 allowed = true; 6084 break; 6085 } 6086 } 6087 } 6088 } 6089 } else { 6090 allowed = isPrivilegedApp(pkg); 6091 } 6092 } 6093 } 6094 if (!allowed && (bp.protectionLevel 6095 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6096 // For development permissions, a development permission 6097 // is granted only if it was already granted. 6098 allowed = origPermissions.contains(perm); 6099 } 6100 return allowed; 6101 } 6102 6103 final class ActivityIntentResolver 6104 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6105 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6106 boolean defaultOnly, int userId) { 6107 if (!sUserManager.exists(userId)) return null; 6108 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6109 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6110 } 6111 6112 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6113 int userId) { 6114 if (!sUserManager.exists(userId)) return null; 6115 mFlags = flags; 6116 return super.queryIntent(intent, resolvedType, 6117 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6118 } 6119 6120 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6121 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6122 if (!sUserManager.exists(userId)) return null; 6123 if (packageActivities == null) { 6124 return null; 6125 } 6126 mFlags = flags; 6127 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6128 final int N = packageActivities.size(); 6129 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6130 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6131 6132 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6133 for (int i = 0; i < N; ++i) { 6134 intentFilters = packageActivities.get(i).intents; 6135 if (intentFilters != null && intentFilters.size() > 0) { 6136 PackageParser.ActivityIntentInfo[] array = 6137 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6138 intentFilters.toArray(array); 6139 listCut.add(array); 6140 } 6141 } 6142 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6143 } 6144 6145 public final void addActivity(PackageParser.Activity a, String type) { 6146 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6147 mActivities.put(a.getComponentName(), a); 6148 if (DEBUG_SHOW_INFO) 6149 Log.v( 6150 TAG, " " + type + " " + 6151 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6152 if (DEBUG_SHOW_INFO) 6153 Log.v(TAG, " Class=" + a.info.name); 6154 final int NI = a.intents.size(); 6155 for (int j=0; j<NI; j++) { 6156 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6157 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6158 intent.setPriority(0); 6159 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6160 + a.className + " with priority > 0, forcing to 0"); 6161 } 6162 if (DEBUG_SHOW_INFO) { 6163 Log.v(TAG, " IntentFilter:"); 6164 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6165 } 6166 if (!intent.debugCheck()) { 6167 Log.w(TAG, "==> For Activity " + a.info.name); 6168 } 6169 addFilter(intent); 6170 } 6171 } 6172 6173 public final void removeActivity(PackageParser.Activity a, String type) { 6174 mActivities.remove(a.getComponentName()); 6175 if (DEBUG_SHOW_INFO) { 6176 Log.v(TAG, " " + type + " " 6177 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6178 : a.info.name) + ":"); 6179 Log.v(TAG, " Class=" + a.info.name); 6180 } 6181 final int NI = a.intents.size(); 6182 for (int j=0; j<NI; j++) { 6183 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6184 if (DEBUG_SHOW_INFO) { 6185 Log.v(TAG, " IntentFilter:"); 6186 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6187 } 6188 removeFilter(intent); 6189 } 6190 } 6191 6192 @Override 6193 protected boolean allowFilterResult( 6194 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6195 ActivityInfo filterAi = filter.activity.info; 6196 for (int i=dest.size()-1; i>=0; i--) { 6197 ActivityInfo destAi = dest.get(i).activityInfo; 6198 if (destAi.name == filterAi.name 6199 && destAi.packageName == filterAi.packageName) { 6200 return false; 6201 } 6202 } 6203 return true; 6204 } 6205 6206 @Override 6207 protected ActivityIntentInfo[] newArray(int size) { 6208 return new ActivityIntentInfo[size]; 6209 } 6210 6211 @Override 6212 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6213 if (!sUserManager.exists(userId)) return true; 6214 PackageParser.Package p = filter.activity.owner; 6215 if (p != null) { 6216 PackageSetting ps = (PackageSetting)p.mExtras; 6217 if (ps != null) { 6218 // System apps are never considered stopped for purposes of 6219 // filtering, because there may be no way for the user to 6220 // actually re-launch them. 6221 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6222 && ps.getStopped(userId); 6223 } 6224 } 6225 return false; 6226 } 6227 6228 @Override 6229 protected boolean isPackageForFilter(String packageName, 6230 PackageParser.ActivityIntentInfo info) { 6231 return packageName.equals(info.activity.owner.packageName); 6232 } 6233 6234 @Override 6235 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6236 int match, int userId) { 6237 if (!sUserManager.exists(userId)) return null; 6238 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6239 return null; 6240 } 6241 final PackageParser.Activity activity = info.activity; 6242 if (mSafeMode && (activity.info.applicationInfo.flags 6243 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6244 return null; 6245 } 6246 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6247 if (ps == null) { 6248 return null; 6249 } 6250 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6251 ps.readUserState(userId), userId); 6252 if (ai == null) { 6253 return null; 6254 } 6255 final ResolveInfo res = new ResolveInfo(); 6256 res.activityInfo = ai; 6257 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6258 res.filter = info; 6259 } 6260 res.priority = info.getPriority(); 6261 res.preferredOrder = activity.owner.mPreferredOrder; 6262 //System.out.println("Result: " + res.activityInfo.className + 6263 // " = " + res.priority); 6264 res.match = match; 6265 res.isDefault = info.hasDefault; 6266 res.labelRes = info.labelRes; 6267 res.nonLocalizedLabel = info.nonLocalizedLabel; 6268 res.icon = info.icon; 6269 res.system = isSystemApp(res.activityInfo.applicationInfo); 6270 return res; 6271 } 6272 6273 @Override 6274 protected void sortResults(List<ResolveInfo> results) { 6275 Collections.sort(results, mResolvePrioritySorter); 6276 } 6277 6278 @Override 6279 protected void dumpFilter(PrintWriter out, String prefix, 6280 PackageParser.ActivityIntentInfo filter) { 6281 out.print(prefix); out.print( 6282 Integer.toHexString(System.identityHashCode(filter.activity))); 6283 out.print(' '); 6284 filter.activity.printComponentShortName(out); 6285 out.print(" filter "); 6286 out.println(Integer.toHexString(System.identityHashCode(filter))); 6287 } 6288 6289// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6290// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6291// final List<ResolveInfo> retList = Lists.newArrayList(); 6292// while (i.hasNext()) { 6293// final ResolveInfo resolveInfo = i.next(); 6294// if (isEnabledLP(resolveInfo.activityInfo)) { 6295// retList.add(resolveInfo); 6296// } 6297// } 6298// return retList; 6299// } 6300 6301 // Keys are String (activity class name), values are Activity. 6302 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6303 = new HashMap<ComponentName, PackageParser.Activity>(); 6304 private int mFlags; 6305 } 6306 6307 private final class ServiceIntentResolver 6308 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6309 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6310 boolean defaultOnly, int userId) { 6311 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6312 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6313 } 6314 6315 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6316 int userId) { 6317 if (!sUserManager.exists(userId)) return null; 6318 mFlags = flags; 6319 return super.queryIntent(intent, resolvedType, 6320 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6321 } 6322 6323 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6324 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6325 if (!sUserManager.exists(userId)) return null; 6326 if (packageServices == null) { 6327 return null; 6328 } 6329 mFlags = flags; 6330 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6331 final int N = packageServices.size(); 6332 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6333 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6334 6335 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6336 for (int i = 0; i < N; ++i) { 6337 intentFilters = packageServices.get(i).intents; 6338 if (intentFilters != null && intentFilters.size() > 0) { 6339 PackageParser.ServiceIntentInfo[] array = 6340 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6341 intentFilters.toArray(array); 6342 listCut.add(array); 6343 } 6344 } 6345 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6346 } 6347 6348 public final void addService(PackageParser.Service s) { 6349 mServices.put(s.getComponentName(), s); 6350 if (DEBUG_SHOW_INFO) { 6351 Log.v(TAG, " " 6352 + (s.info.nonLocalizedLabel != null 6353 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6354 Log.v(TAG, " Class=" + s.info.name); 6355 } 6356 final int NI = s.intents.size(); 6357 int j; 6358 for (j=0; j<NI; j++) { 6359 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6360 if (DEBUG_SHOW_INFO) { 6361 Log.v(TAG, " IntentFilter:"); 6362 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6363 } 6364 if (!intent.debugCheck()) { 6365 Log.w(TAG, "==> For Service " + s.info.name); 6366 } 6367 addFilter(intent); 6368 } 6369 } 6370 6371 public final void removeService(PackageParser.Service s) { 6372 mServices.remove(s.getComponentName()); 6373 if (DEBUG_SHOW_INFO) { 6374 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6375 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6376 Log.v(TAG, " Class=" + s.info.name); 6377 } 6378 final int NI = s.intents.size(); 6379 int j; 6380 for (j=0; j<NI; j++) { 6381 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6382 if (DEBUG_SHOW_INFO) { 6383 Log.v(TAG, " IntentFilter:"); 6384 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6385 } 6386 removeFilter(intent); 6387 } 6388 } 6389 6390 @Override 6391 protected boolean allowFilterResult( 6392 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6393 ServiceInfo filterSi = filter.service.info; 6394 for (int i=dest.size()-1; i>=0; i--) { 6395 ServiceInfo destAi = dest.get(i).serviceInfo; 6396 if (destAi.name == filterSi.name 6397 && destAi.packageName == filterSi.packageName) { 6398 return false; 6399 } 6400 } 6401 return true; 6402 } 6403 6404 @Override 6405 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6406 return new PackageParser.ServiceIntentInfo[size]; 6407 } 6408 6409 @Override 6410 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6411 if (!sUserManager.exists(userId)) return true; 6412 PackageParser.Package p = filter.service.owner; 6413 if (p != null) { 6414 PackageSetting ps = (PackageSetting)p.mExtras; 6415 if (ps != null) { 6416 // System apps are never considered stopped for purposes of 6417 // filtering, because there may be no way for the user to 6418 // actually re-launch them. 6419 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6420 && ps.getStopped(userId); 6421 } 6422 } 6423 return false; 6424 } 6425 6426 @Override 6427 protected boolean isPackageForFilter(String packageName, 6428 PackageParser.ServiceIntentInfo info) { 6429 return packageName.equals(info.service.owner.packageName); 6430 } 6431 6432 @Override 6433 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6434 int match, int userId) { 6435 if (!sUserManager.exists(userId)) return null; 6436 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6437 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6438 return null; 6439 } 6440 final PackageParser.Service service = info.service; 6441 if (mSafeMode && (service.info.applicationInfo.flags 6442 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6443 return null; 6444 } 6445 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6446 if (ps == null) { 6447 return null; 6448 } 6449 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6450 ps.readUserState(userId), userId); 6451 if (si == null) { 6452 return null; 6453 } 6454 final ResolveInfo res = new ResolveInfo(); 6455 res.serviceInfo = si; 6456 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6457 res.filter = filter; 6458 } 6459 res.priority = info.getPriority(); 6460 res.preferredOrder = service.owner.mPreferredOrder; 6461 //System.out.println("Result: " + res.activityInfo.className + 6462 // " = " + res.priority); 6463 res.match = match; 6464 res.isDefault = info.hasDefault; 6465 res.labelRes = info.labelRes; 6466 res.nonLocalizedLabel = info.nonLocalizedLabel; 6467 res.icon = info.icon; 6468 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6469 return res; 6470 } 6471 6472 @Override 6473 protected void sortResults(List<ResolveInfo> results) { 6474 Collections.sort(results, mResolvePrioritySorter); 6475 } 6476 6477 @Override 6478 protected void dumpFilter(PrintWriter out, String prefix, 6479 PackageParser.ServiceIntentInfo filter) { 6480 out.print(prefix); out.print( 6481 Integer.toHexString(System.identityHashCode(filter.service))); 6482 out.print(' '); 6483 filter.service.printComponentShortName(out); 6484 out.print(" filter "); 6485 out.println(Integer.toHexString(System.identityHashCode(filter))); 6486 } 6487 6488// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6489// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6490// final List<ResolveInfo> retList = Lists.newArrayList(); 6491// while (i.hasNext()) { 6492// final ResolveInfo resolveInfo = (ResolveInfo) i; 6493// if (isEnabledLP(resolveInfo.serviceInfo)) { 6494// retList.add(resolveInfo); 6495// } 6496// } 6497// return retList; 6498// } 6499 6500 // Keys are String (activity class name), values are Activity. 6501 private final HashMap<ComponentName, PackageParser.Service> mServices 6502 = new HashMap<ComponentName, PackageParser.Service>(); 6503 private int mFlags; 6504 }; 6505 6506 private final class ProviderIntentResolver 6507 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6508 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6509 boolean defaultOnly, int userId) { 6510 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6511 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6512 } 6513 6514 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6515 int userId) { 6516 if (!sUserManager.exists(userId)) 6517 return null; 6518 mFlags = flags; 6519 return super.queryIntent(intent, resolvedType, 6520 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6521 } 6522 6523 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6524 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6525 if (!sUserManager.exists(userId)) 6526 return null; 6527 if (packageProviders == null) { 6528 return null; 6529 } 6530 mFlags = flags; 6531 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6532 final int N = packageProviders.size(); 6533 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6534 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6535 6536 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6537 for (int i = 0; i < N; ++i) { 6538 intentFilters = packageProviders.get(i).intents; 6539 if (intentFilters != null && intentFilters.size() > 0) { 6540 PackageParser.ProviderIntentInfo[] array = 6541 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6542 intentFilters.toArray(array); 6543 listCut.add(array); 6544 } 6545 } 6546 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6547 } 6548 6549 public final void addProvider(PackageParser.Provider p) { 6550 if (mProviders.containsKey(p.getComponentName())) { 6551 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 6552 return; 6553 } 6554 6555 mProviders.put(p.getComponentName(), p); 6556 if (DEBUG_SHOW_INFO) { 6557 Log.v(TAG, " " 6558 + (p.info.nonLocalizedLabel != null 6559 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6560 Log.v(TAG, " Class=" + p.info.name); 6561 } 6562 final int NI = p.intents.size(); 6563 int j; 6564 for (j = 0; j < NI; j++) { 6565 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6566 if (DEBUG_SHOW_INFO) { 6567 Log.v(TAG, " IntentFilter:"); 6568 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6569 } 6570 if (!intent.debugCheck()) { 6571 Log.w(TAG, "==> For Provider " + p.info.name); 6572 } 6573 addFilter(intent); 6574 } 6575 } 6576 6577 public final void removeProvider(PackageParser.Provider p) { 6578 mProviders.remove(p.getComponentName()); 6579 if (DEBUG_SHOW_INFO) { 6580 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6581 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6582 Log.v(TAG, " Class=" + p.info.name); 6583 } 6584 final int NI = p.intents.size(); 6585 int j; 6586 for (j = 0; j < NI; j++) { 6587 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6588 if (DEBUG_SHOW_INFO) { 6589 Log.v(TAG, " IntentFilter:"); 6590 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6591 } 6592 removeFilter(intent); 6593 } 6594 } 6595 6596 @Override 6597 protected boolean allowFilterResult( 6598 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6599 ProviderInfo filterPi = filter.provider.info; 6600 for (int i = dest.size() - 1; i >= 0; i--) { 6601 ProviderInfo destPi = dest.get(i).providerInfo; 6602 if (destPi.name == filterPi.name 6603 && destPi.packageName == filterPi.packageName) { 6604 return false; 6605 } 6606 } 6607 return true; 6608 } 6609 6610 @Override 6611 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6612 return new PackageParser.ProviderIntentInfo[size]; 6613 } 6614 6615 @Override 6616 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6617 if (!sUserManager.exists(userId)) 6618 return true; 6619 PackageParser.Package p = filter.provider.owner; 6620 if (p != null) { 6621 PackageSetting ps = (PackageSetting) p.mExtras; 6622 if (ps != null) { 6623 // System apps are never considered stopped for purposes of 6624 // filtering, because there may be no way for the user to 6625 // actually re-launch them. 6626 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6627 && ps.getStopped(userId); 6628 } 6629 } 6630 return false; 6631 } 6632 6633 @Override 6634 protected boolean isPackageForFilter(String packageName, 6635 PackageParser.ProviderIntentInfo info) { 6636 return packageName.equals(info.provider.owner.packageName); 6637 } 6638 6639 @Override 6640 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6641 int match, int userId) { 6642 if (!sUserManager.exists(userId)) 6643 return null; 6644 final PackageParser.ProviderIntentInfo info = filter; 6645 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6646 return null; 6647 } 6648 final PackageParser.Provider provider = info.provider; 6649 if (mSafeMode && (provider.info.applicationInfo.flags 6650 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6651 return null; 6652 } 6653 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6654 if (ps == null) { 6655 return null; 6656 } 6657 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6658 ps.readUserState(userId), userId); 6659 if (pi == null) { 6660 return null; 6661 } 6662 final ResolveInfo res = new ResolveInfo(); 6663 res.providerInfo = pi; 6664 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6665 res.filter = filter; 6666 } 6667 res.priority = info.getPriority(); 6668 res.preferredOrder = provider.owner.mPreferredOrder; 6669 res.match = match; 6670 res.isDefault = info.hasDefault; 6671 res.labelRes = info.labelRes; 6672 res.nonLocalizedLabel = info.nonLocalizedLabel; 6673 res.icon = info.icon; 6674 res.system = isSystemApp(res.providerInfo.applicationInfo); 6675 return res; 6676 } 6677 6678 @Override 6679 protected void sortResults(List<ResolveInfo> results) { 6680 Collections.sort(results, mResolvePrioritySorter); 6681 } 6682 6683 @Override 6684 protected void dumpFilter(PrintWriter out, String prefix, 6685 PackageParser.ProviderIntentInfo filter) { 6686 out.print(prefix); 6687 out.print( 6688 Integer.toHexString(System.identityHashCode(filter.provider))); 6689 out.print(' '); 6690 filter.provider.printComponentShortName(out); 6691 out.print(" filter "); 6692 out.println(Integer.toHexString(System.identityHashCode(filter))); 6693 } 6694 6695 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6696 = new HashMap<ComponentName, PackageParser.Provider>(); 6697 private int mFlags; 6698 }; 6699 6700 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6701 new Comparator<ResolveInfo>() { 6702 public int compare(ResolveInfo r1, ResolveInfo r2) { 6703 int v1 = r1.priority; 6704 int v2 = r2.priority; 6705 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6706 if (v1 != v2) { 6707 return (v1 > v2) ? -1 : 1; 6708 } 6709 v1 = r1.preferredOrder; 6710 v2 = r2.preferredOrder; 6711 if (v1 != v2) { 6712 return (v1 > v2) ? -1 : 1; 6713 } 6714 if (r1.isDefault != r2.isDefault) { 6715 return r1.isDefault ? -1 : 1; 6716 } 6717 v1 = r1.match; 6718 v2 = r2.match; 6719 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6720 if (v1 != v2) { 6721 return (v1 > v2) ? -1 : 1; 6722 } 6723 if (r1.system != r2.system) { 6724 return r1.system ? -1 : 1; 6725 } 6726 return 0; 6727 } 6728 }; 6729 6730 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6731 new Comparator<ProviderInfo>() { 6732 public int compare(ProviderInfo p1, ProviderInfo p2) { 6733 final int v1 = p1.initOrder; 6734 final int v2 = p2.initOrder; 6735 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6736 } 6737 }; 6738 6739 static final void sendPackageBroadcast(String action, String pkg, 6740 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6741 int[] userIds) { 6742 IActivityManager am = ActivityManagerNative.getDefault(); 6743 if (am != null) { 6744 try { 6745 if (userIds == null) { 6746 userIds = am.getRunningUserIds(); 6747 } 6748 for (int id : userIds) { 6749 final Intent intent = new Intent(action, 6750 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6751 if (extras != null) { 6752 intent.putExtras(extras); 6753 } 6754 if (targetPkg != null) { 6755 intent.setPackage(targetPkg); 6756 } 6757 // Modify the UID when posting to other users 6758 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6759 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6760 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6761 intent.putExtra(Intent.EXTRA_UID, uid); 6762 } 6763 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6764 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6765 if (DEBUG_BROADCASTS) { 6766 RuntimeException here = new RuntimeException("here"); 6767 here.fillInStackTrace(); 6768 Slog.d(TAG, "Sending to user " + id + ": " 6769 + intent.toShortString(false, true, false, false) 6770 + " " + intent.getExtras(), here); 6771 } 6772 am.broadcastIntent(null, intent, null, finishedReceiver, 6773 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6774 finishedReceiver != null, false, id); 6775 } 6776 } catch (RemoteException ex) { 6777 } 6778 } 6779 } 6780 6781 /** 6782 * Check if the external storage media is available. This is true if there 6783 * is a mounted external storage medium or if the external storage is 6784 * emulated. 6785 */ 6786 private boolean isExternalMediaAvailable() { 6787 return mMediaMounted || Environment.isExternalStorageEmulated(); 6788 } 6789 6790 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6791 // writer 6792 synchronized (mPackages) { 6793 if (!isExternalMediaAvailable()) { 6794 // If the external storage is no longer mounted at this point, 6795 // the caller may not have been able to delete all of this 6796 // packages files and can not delete any more. Bail. 6797 return null; 6798 } 6799 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6800 if (lastPackage != null) { 6801 pkgs.remove(lastPackage); 6802 } 6803 if (pkgs.size() > 0) { 6804 return pkgs.get(0); 6805 } 6806 } 6807 return null; 6808 } 6809 6810 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6811 if (false) { 6812 RuntimeException here = new RuntimeException("here"); 6813 here.fillInStackTrace(); 6814 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6815 + " andCode=" + andCode, here); 6816 } 6817 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6818 userId, andCode ? 1 : 0, packageName)); 6819 } 6820 6821 void startCleaningPackages() { 6822 // reader 6823 synchronized (mPackages) { 6824 if (!isExternalMediaAvailable()) { 6825 return; 6826 } 6827 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 6828 return; 6829 } 6830 } 6831 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 6832 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 6833 IActivityManager am = ActivityManagerNative.getDefault(); 6834 if (am != null) { 6835 try { 6836 am.startService(null, intent, null, UserHandle.USER_OWNER); 6837 } catch (RemoteException e) { 6838 } 6839 } 6840 } 6841 6842 private final class AppDirObserver extends FileObserver { 6843 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 6844 super(path, mask); 6845 mRootDir = path; 6846 mIsRom = isrom; 6847 mIsPrivileged = isPrivileged; 6848 } 6849 6850 public void onEvent(int event, String path) { 6851 String removedPackage = null; 6852 int removedAppId = -1; 6853 int[] removedUsers = null; 6854 String addedPackage = null; 6855 int addedAppId = -1; 6856 int[] addedUsers = null; 6857 6858 // TODO post a message to the handler to obtain serial ordering 6859 synchronized (mInstallLock) { 6860 String fullPathStr = null; 6861 File fullPath = null; 6862 if (path != null) { 6863 fullPath = new File(mRootDir, path); 6864 fullPathStr = fullPath.getPath(); 6865 } 6866 6867 if (DEBUG_APP_DIR_OBSERVER) 6868 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 6869 6870 if (!isPackageFilename(path)) { 6871 if (DEBUG_APP_DIR_OBSERVER) 6872 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 6873 return; 6874 } 6875 6876 // Ignore packages that are being installed or 6877 // have just been installed. 6878 if (ignoreCodePath(fullPathStr)) { 6879 return; 6880 } 6881 PackageParser.Package p = null; 6882 PackageSetting ps = null; 6883 // reader 6884 synchronized (mPackages) { 6885 p = mAppDirs.get(fullPathStr); 6886 if (p != null) { 6887 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 6888 if (ps != null) { 6889 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 6890 } else { 6891 removedUsers = sUserManager.getUserIds(); 6892 } 6893 } 6894 addedUsers = sUserManager.getUserIds(); 6895 } 6896 if ((event&REMOVE_EVENTS) != 0) { 6897 if (ps != null) { 6898 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 6899 removePackageLI(ps, true); 6900 removedPackage = ps.name; 6901 removedAppId = ps.appId; 6902 } 6903 } 6904 6905 if ((event&ADD_EVENTS) != 0) { 6906 if (p == null) { 6907 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 6908 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 6909 if (mIsRom) { 6910 flags |= PackageParser.PARSE_IS_SYSTEM 6911 | PackageParser.PARSE_IS_SYSTEM_DIR; 6912 if (mIsPrivileged) { 6913 flags |= PackageParser.PARSE_IS_PRIVILEGED; 6914 } 6915 } 6916 p = scanPackageLI(fullPath, flags, 6917 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 6918 System.currentTimeMillis(), UserHandle.ALL); 6919 if (p != null) { 6920 /* 6921 * TODO this seems dangerous as the package may have 6922 * changed since we last acquired the mPackages 6923 * lock. 6924 */ 6925 // writer 6926 synchronized (mPackages) { 6927 updatePermissionsLPw(p.packageName, p, 6928 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 6929 } 6930 addedPackage = p.applicationInfo.packageName; 6931 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 6932 } 6933 } 6934 } 6935 6936 // reader 6937 synchronized (mPackages) { 6938 mSettings.writeLPr(); 6939 } 6940 } 6941 6942 if (removedPackage != null) { 6943 Bundle extras = new Bundle(1); 6944 extras.putInt(Intent.EXTRA_UID, removedAppId); 6945 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 6946 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 6947 extras, null, null, removedUsers); 6948 } 6949 if (addedPackage != null) { 6950 Bundle extras = new Bundle(1); 6951 extras.putInt(Intent.EXTRA_UID, addedAppId); 6952 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 6953 extras, null, null, addedUsers); 6954 } 6955 } 6956 6957 private final String mRootDir; 6958 private final boolean mIsRom; 6959 private final boolean mIsPrivileged; 6960 } 6961 6962 /* 6963 * The old-style observer methods all just trampoline to the newer signature with 6964 * expanded install observer API. The older API continues to work but does not 6965 * supply the additional details of the Observer2 API. 6966 */ 6967 6968 /* Called when a downloaded package installation has been confirmed by the user */ 6969 public void installPackage( 6970 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 6971 installPackageEtc(packageURI, observer, null, flags, null); 6972 } 6973 6974 /* Called when a downloaded package installation has been confirmed by the user */ 6975 public void installPackage( 6976 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 6977 final String installerPackageName) { 6978 installPackageWithVerificationEtc(packageURI, observer, null, flags, 6979 installerPackageName, null, null, null); 6980 } 6981 6982 @Override 6983 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 6984 int flags, String installerPackageName, Uri verificationURI, 6985 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 6986 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 6987 VerificationParams.NO_UID, manifestDigest); 6988 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 6989 installerPackageName, verificationParams, encryptionParams); 6990 } 6991 6992 public void installPackageWithVerificationAndEncryption(Uri packageURI, 6993 IPackageInstallObserver observer, int flags, String installerPackageName, 6994 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 6995 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 6996 installerPackageName, verificationParams, encryptionParams); 6997 } 6998 6999 /* 7000 * And here are the "live" versions that take both observer arguments 7001 */ 7002 public void installPackageEtc( 7003 final Uri packageURI, final IPackageInstallObserver observer, 7004 IPackageInstallObserver2 observer2, final int flags) { 7005 installPackageEtc(packageURI, observer, observer2, flags, null); 7006 } 7007 7008 public void installPackageEtc( 7009 final Uri packageURI, final IPackageInstallObserver observer, 7010 final IPackageInstallObserver2 observer2, final int flags, 7011 final String installerPackageName) { 7012 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7013 installerPackageName, null, null, null); 7014 } 7015 7016 @Override 7017 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7018 IPackageInstallObserver2 observer2, 7019 int flags, String installerPackageName, Uri verificationURI, 7020 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7021 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7022 VerificationParams.NO_UID, manifestDigest); 7023 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7024 installerPackageName, verificationParams, encryptionParams); 7025 } 7026 7027 /* 7028 * All of the installPackage...*() methods redirect to this one for the master implementation 7029 */ 7030 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7031 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7032 int flags, String installerPackageName, 7033 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7034 if (observer == null && observer2 == null) { 7035 throw new IllegalArgumentException("No install observer supplied"); 7036 } 7037 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7038 null); 7039 7040 final int uid = Binder.getCallingUid(); 7041 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7042 try { 7043 if (observer != null) { 7044 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7045 } 7046 if (observer2 != null) { 7047 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7048 } 7049 } catch (RemoteException re) { 7050 } 7051 return; 7052 } 7053 7054 UserHandle user; 7055 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7056 user = UserHandle.ALL; 7057 } else { 7058 user = new UserHandle(UserHandle.getUserId(uid)); 7059 } 7060 7061 final int filteredFlags; 7062 7063 if (uid == Process.SHELL_UID || uid == 0) { 7064 if (DEBUG_INSTALL) { 7065 Slog.v(TAG, "Install from ADB"); 7066 } 7067 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7068 } else { 7069 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7070 } 7071 7072 verificationParams.setInstallerUid(uid); 7073 7074 final Message msg = mHandler.obtainMessage(INIT_COPY); 7075 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7076 installerPackageName, verificationParams, encryptionParams, user); 7077 mHandler.sendMessage(msg); 7078 } 7079 7080 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7081 Bundle extras = new Bundle(1); 7082 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7083 7084 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7085 packageName, extras, null, null, new int[] {userId}); 7086 try { 7087 IActivityManager am = ActivityManagerNative.getDefault(); 7088 final boolean isSystem = 7089 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7090 if (isSystem && am.isUserRunning(userId, false)) { 7091 // The just-installed/enabled app is bundled on the system, so presumed 7092 // to be able to run automatically without needing an explicit launch. 7093 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7094 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7095 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7096 .setPackage(packageName); 7097 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7098 android.app.AppOpsManager.OP_NONE, false, false, userId); 7099 } 7100 } catch (RemoteException e) { 7101 // shouldn't happen 7102 Slog.w(TAG, "Unable to bootstrap installed package", e); 7103 } 7104 } 7105 7106 @Override 7107 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7108 int userId) { 7109 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7110 PackageSetting pkgSetting; 7111 final int uid = Binder.getCallingUid(); 7112 if (UserHandle.getUserId(uid) != userId) { 7113 mContext.enforceCallingOrSelfPermission( 7114 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7115 "setApplicationBlockedSetting for user " + userId); 7116 } 7117 7118 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7119 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7120 return false; 7121 } 7122 7123 long callingId = Binder.clearCallingIdentity(); 7124 try { 7125 boolean sendAdded = false; 7126 boolean sendRemoved = false; 7127 // writer 7128 synchronized (mPackages) { 7129 pkgSetting = mSettings.mPackages.get(packageName); 7130 if (pkgSetting == null) { 7131 return false; 7132 } 7133 if (pkgSetting.getBlocked(userId) != blocked) { 7134 pkgSetting.setBlocked(blocked, userId); 7135 mSettings.writePackageRestrictionsLPr(userId); 7136 if (blocked) { 7137 sendRemoved = true; 7138 } else { 7139 sendAdded = true; 7140 } 7141 } 7142 } 7143 if (sendAdded) { 7144 sendPackageAddedForUser(packageName, pkgSetting, userId); 7145 return true; 7146 } 7147 if (sendRemoved) { 7148 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7149 "blocking pkg"); 7150 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7151 } 7152 } finally { 7153 Binder.restoreCallingIdentity(callingId); 7154 } 7155 return false; 7156 } 7157 7158 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7159 int userId) { 7160 final PackageRemovedInfo info = new PackageRemovedInfo(); 7161 info.removedPackage = packageName; 7162 info.removedUsers = new int[] {userId}; 7163 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7164 info.sendBroadcast(false, false, false); 7165 } 7166 7167 /** 7168 * Returns true if application is not found or there was an error. Otherwise it returns 7169 * the blocked state of the package for the given user. 7170 */ 7171 @Override 7172 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7173 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7174 PackageSetting pkgSetting; 7175 final int uid = Binder.getCallingUid(); 7176 if (UserHandle.getUserId(uid) != userId) { 7177 mContext.enforceCallingPermission( 7178 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7179 "getApplicationBlocked for user " + userId); 7180 } 7181 long callingId = Binder.clearCallingIdentity(); 7182 try { 7183 // writer 7184 synchronized (mPackages) { 7185 pkgSetting = mSettings.mPackages.get(packageName); 7186 if (pkgSetting == null) { 7187 return true; 7188 } 7189 return pkgSetting.getBlocked(userId); 7190 } 7191 } finally { 7192 Binder.restoreCallingIdentity(callingId); 7193 } 7194 } 7195 7196 /** 7197 * @hide 7198 */ 7199 @Override 7200 public int installExistingPackageAsUser(String packageName, int userId) { 7201 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7202 null); 7203 PackageSetting pkgSetting; 7204 final int uid = Binder.getCallingUid(); 7205 if (UserHandle.getUserId(uid) != userId) { 7206 mContext.enforceCallingPermission( 7207 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7208 "installExistingPackage for user " + userId); 7209 } 7210 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7211 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7212 } 7213 7214 long callingId = Binder.clearCallingIdentity(); 7215 try { 7216 boolean sendAdded = false; 7217 Bundle extras = new Bundle(1); 7218 7219 // writer 7220 synchronized (mPackages) { 7221 pkgSetting = mSettings.mPackages.get(packageName); 7222 if (pkgSetting == null) { 7223 return PackageManager.INSTALL_FAILED_INVALID_URI; 7224 } 7225 if (!pkgSetting.getInstalled(userId)) { 7226 pkgSetting.setInstalled(true, userId); 7227 pkgSetting.setBlocked(false, userId); 7228 mSettings.writePackageRestrictionsLPr(userId); 7229 sendAdded = true; 7230 } 7231 } 7232 7233 if (sendAdded) { 7234 sendPackageAddedForUser(packageName, pkgSetting, userId); 7235 } 7236 } finally { 7237 Binder.restoreCallingIdentity(callingId); 7238 } 7239 7240 return PackageManager.INSTALL_SUCCEEDED; 7241 } 7242 7243 private boolean isUserRestricted(int userId, String restrictionKey) { 7244 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7245 if (restrictions.getBoolean(restrictionKey, false)) { 7246 Log.w(TAG, "User is restricted: " + restrictionKey); 7247 return true; 7248 } 7249 return false; 7250 } 7251 7252 @Override 7253 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7254 mContext.enforceCallingOrSelfPermission( 7255 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7256 "Only package verification agents can verify applications"); 7257 7258 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7259 final PackageVerificationResponse response = new PackageVerificationResponse( 7260 verificationCode, Binder.getCallingUid()); 7261 msg.arg1 = id; 7262 msg.obj = response; 7263 mHandler.sendMessage(msg); 7264 } 7265 7266 @Override 7267 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7268 long millisecondsToDelay) { 7269 mContext.enforceCallingOrSelfPermission( 7270 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7271 "Only package verification agents can extend verification timeouts"); 7272 7273 final PackageVerificationState state = mPendingVerification.get(id); 7274 final PackageVerificationResponse response = new PackageVerificationResponse( 7275 verificationCodeAtTimeout, Binder.getCallingUid()); 7276 7277 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7278 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7279 } 7280 if (millisecondsToDelay < 0) { 7281 millisecondsToDelay = 0; 7282 } 7283 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7284 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7285 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7286 } 7287 7288 if ((state != null) && !state.timeoutExtended()) { 7289 state.extendTimeout(); 7290 7291 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7292 msg.arg1 = id; 7293 msg.obj = response; 7294 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7295 } 7296 } 7297 7298 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7299 int verificationCode, UserHandle user) { 7300 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7301 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7302 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7303 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7304 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7305 7306 mContext.sendBroadcastAsUser(intent, user, 7307 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7308 } 7309 7310 private ComponentName matchComponentForVerifier(String packageName, 7311 List<ResolveInfo> receivers) { 7312 ActivityInfo targetReceiver = null; 7313 7314 final int NR = receivers.size(); 7315 for (int i = 0; i < NR; i++) { 7316 final ResolveInfo info = receivers.get(i); 7317 if (info.activityInfo == null) { 7318 continue; 7319 } 7320 7321 if (packageName.equals(info.activityInfo.packageName)) { 7322 targetReceiver = info.activityInfo; 7323 break; 7324 } 7325 } 7326 7327 if (targetReceiver == null) { 7328 return null; 7329 } 7330 7331 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7332 } 7333 7334 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7335 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7336 if (pkgInfo.verifiers.length == 0) { 7337 return null; 7338 } 7339 7340 final int N = pkgInfo.verifiers.length; 7341 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7342 for (int i = 0; i < N; i++) { 7343 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7344 7345 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7346 receivers); 7347 if (comp == null) { 7348 continue; 7349 } 7350 7351 final int verifierUid = getUidForVerifier(verifierInfo); 7352 if (verifierUid == -1) { 7353 continue; 7354 } 7355 7356 if (DEBUG_VERIFY) { 7357 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7358 + " with the correct signature"); 7359 } 7360 sufficientVerifiers.add(comp); 7361 verificationState.addSufficientVerifier(verifierUid); 7362 } 7363 7364 return sufficientVerifiers; 7365 } 7366 7367 private int getUidForVerifier(VerifierInfo verifierInfo) { 7368 synchronized (mPackages) { 7369 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7370 if (pkg == null) { 7371 return -1; 7372 } else if (pkg.mSignatures.length != 1) { 7373 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7374 + " has more than one signature; ignoring"); 7375 return -1; 7376 } 7377 7378 /* 7379 * If the public key of the package's signature does not match 7380 * our expected public key, then this is a different package and 7381 * we should skip. 7382 */ 7383 7384 final byte[] expectedPublicKey; 7385 try { 7386 final Signature verifierSig = pkg.mSignatures[0]; 7387 final PublicKey publicKey = verifierSig.getPublicKey(); 7388 expectedPublicKey = publicKey.getEncoded(); 7389 } catch (CertificateException e) { 7390 return -1; 7391 } 7392 7393 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7394 7395 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7396 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7397 + " does not have the expected public key; ignoring"); 7398 return -1; 7399 } 7400 7401 return pkg.applicationInfo.uid; 7402 } 7403 } 7404 7405 public void finishPackageInstall(int token) { 7406 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7407 7408 if (DEBUG_INSTALL) { 7409 Slog.v(TAG, "BM finishing package install for " + token); 7410 } 7411 7412 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7413 mHandler.sendMessage(msg); 7414 } 7415 7416 /** 7417 * Get the verification agent timeout. 7418 * 7419 * @return verification timeout in milliseconds 7420 */ 7421 private long getVerificationTimeout() { 7422 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7423 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7424 DEFAULT_VERIFICATION_TIMEOUT); 7425 } 7426 7427 /** 7428 * Get the default verification agent response code. 7429 * 7430 * @return default verification response code 7431 */ 7432 private int getDefaultVerificationResponse() { 7433 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7434 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7435 DEFAULT_VERIFICATION_RESPONSE); 7436 } 7437 7438 /** 7439 * Check whether or not package verification has been enabled. 7440 * 7441 * @return true if verification should be performed 7442 */ 7443 private boolean isVerificationEnabled(int flags) { 7444 if (!DEFAULT_VERIFY_ENABLE) { 7445 return false; 7446 } 7447 7448 // Check if installing from ADB 7449 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7450 // Do not run verification in a test harness environment 7451 if (ActivityManager.isRunningInTestHarness()) { 7452 return false; 7453 } 7454 // Check if the developer does not want package verification for ADB installs 7455 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7456 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7457 return false; 7458 } 7459 } 7460 7461 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7462 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7463 } 7464 7465 /** 7466 * Get the "allow unknown sources" setting. 7467 * 7468 * @return the current "allow unknown sources" setting 7469 */ 7470 private int getUnknownSourcesSettings() { 7471 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7472 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7473 -1); 7474 } 7475 7476 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7477 final int uid = Binder.getCallingUid(); 7478 // writer 7479 synchronized (mPackages) { 7480 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7481 if (targetPackageSetting == null) { 7482 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7483 } 7484 7485 PackageSetting installerPackageSetting; 7486 if (installerPackageName != null) { 7487 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7488 if (installerPackageSetting == null) { 7489 throw new IllegalArgumentException("Unknown installer package: " 7490 + installerPackageName); 7491 } 7492 } else { 7493 installerPackageSetting = null; 7494 } 7495 7496 Signature[] callerSignature; 7497 Object obj = mSettings.getUserIdLPr(uid); 7498 if (obj != null) { 7499 if (obj instanceof SharedUserSetting) { 7500 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7501 } else if (obj instanceof PackageSetting) { 7502 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7503 } else { 7504 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7505 } 7506 } else { 7507 throw new SecurityException("Unknown calling uid " + uid); 7508 } 7509 7510 // Verify: can't set installerPackageName to a package that is 7511 // not signed with the same cert as the caller. 7512 if (installerPackageSetting != null) { 7513 if (compareSignatures(callerSignature, 7514 installerPackageSetting.signatures.mSignatures) 7515 != PackageManager.SIGNATURE_MATCH) { 7516 throw new SecurityException( 7517 "Caller does not have same cert as new installer package " 7518 + installerPackageName); 7519 } 7520 } 7521 7522 // Verify: if target already has an installer package, it must 7523 // be signed with the same cert as the caller. 7524 if (targetPackageSetting.installerPackageName != null) { 7525 PackageSetting setting = mSettings.mPackages.get( 7526 targetPackageSetting.installerPackageName); 7527 // If the currently set package isn't valid, then it's always 7528 // okay to change it. 7529 if (setting != null) { 7530 if (compareSignatures(callerSignature, 7531 setting.signatures.mSignatures) 7532 != PackageManager.SIGNATURE_MATCH) { 7533 throw new SecurityException( 7534 "Caller does not have same cert as old installer package " 7535 + targetPackageSetting.installerPackageName); 7536 } 7537 } 7538 } 7539 7540 // Okay! 7541 targetPackageSetting.installerPackageName = installerPackageName; 7542 scheduleWriteSettingsLocked(); 7543 } 7544 } 7545 7546 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7547 // Queue up an async operation since the package installation may take a little while. 7548 mHandler.post(new Runnable() { 7549 public void run() { 7550 mHandler.removeCallbacks(this); 7551 // Result object to be returned 7552 PackageInstalledInfo res = new PackageInstalledInfo(); 7553 res.returnCode = currentStatus; 7554 res.uid = -1; 7555 res.pkg = null; 7556 res.removedInfo = new PackageRemovedInfo(); 7557 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7558 args.doPreInstall(res.returnCode); 7559 synchronized (mInstallLock) { 7560 installPackageLI(args, true, res); 7561 } 7562 args.doPostInstall(res.returnCode, res.uid); 7563 } 7564 7565 // A restore should be performed at this point if (a) the install 7566 // succeeded, (b) the operation is not an update, and (c) the new 7567 // package has a backupAgent defined. 7568 final boolean update = res.removedInfo.removedPackage != null; 7569 boolean doRestore = (!update 7570 && res.pkg != null 7571 && res.pkg.applicationInfo.backupAgentName != null); 7572 7573 // Set up the post-install work request bookkeeping. This will be used 7574 // and cleaned up by the post-install event handling regardless of whether 7575 // there's a restore pass performed. Token values are >= 1. 7576 int token; 7577 if (mNextInstallToken < 0) mNextInstallToken = 1; 7578 token = mNextInstallToken++; 7579 7580 PostInstallData data = new PostInstallData(args, res); 7581 mRunningInstalls.put(token, data); 7582 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7583 7584 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7585 // Pass responsibility to the Backup Manager. It will perform a 7586 // restore if appropriate, then pass responsibility back to the 7587 // Package Manager to run the post-install observer callbacks 7588 // and broadcasts. 7589 IBackupManager bm = IBackupManager.Stub.asInterface( 7590 ServiceManager.getService(Context.BACKUP_SERVICE)); 7591 if (bm != null) { 7592 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7593 + " to BM for possible restore"); 7594 try { 7595 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7596 } catch (RemoteException e) { 7597 // can't happen; the backup manager is local 7598 } catch (Exception e) { 7599 Slog.e(TAG, "Exception trying to enqueue restore", e); 7600 doRestore = false; 7601 } 7602 } else { 7603 Slog.e(TAG, "Backup Manager not found!"); 7604 doRestore = false; 7605 } 7606 } 7607 7608 if (!doRestore) { 7609 // No restore possible, or the Backup Manager was mysteriously not 7610 // available -- just fire the post-install work request directly. 7611 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7612 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7613 mHandler.sendMessage(msg); 7614 } 7615 } 7616 }); 7617 } 7618 7619 private abstract class HandlerParams { 7620 private static final int MAX_RETRIES = 4; 7621 7622 /** 7623 * Number of times startCopy() has been attempted and had a non-fatal 7624 * error. 7625 */ 7626 private int mRetries = 0; 7627 7628 /** User handle for the user requesting the information or installation. */ 7629 private final UserHandle mUser; 7630 7631 HandlerParams(UserHandle user) { 7632 mUser = user; 7633 } 7634 7635 UserHandle getUser() { 7636 return mUser; 7637 } 7638 7639 final boolean startCopy() { 7640 boolean res; 7641 try { 7642 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7643 7644 if (++mRetries > MAX_RETRIES) { 7645 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7646 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7647 handleServiceError(); 7648 return false; 7649 } else { 7650 handleStartCopy(); 7651 res = true; 7652 } 7653 } catch (RemoteException e) { 7654 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7655 mHandler.sendEmptyMessage(MCS_RECONNECT); 7656 res = false; 7657 } 7658 handleReturnCode(); 7659 return res; 7660 } 7661 7662 final void serviceError() { 7663 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7664 handleServiceError(); 7665 handleReturnCode(); 7666 } 7667 7668 abstract void handleStartCopy() throws RemoteException; 7669 abstract void handleServiceError(); 7670 abstract void handleReturnCode(); 7671 } 7672 7673 class MeasureParams extends HandlerParams { 7674 private final PackageStats mStats; 7675 private boolean mSuccess; 7676 7677 private final IPackageStatsObserver mObserver; 7678 7679 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7680 super(new UserHandle(stats.userHandle)); 7681 mObserver = observer; 7682 mStats = stats; 7683 } 7684 7685 @Override 7686 public String toString() { 7687 return "MeasureParams{" 7688 + Integer.toHexString(System.identityHashCode(this)) 7689 + " " + mStats.packageName + "}"; 7690 } 7691 7692 @Override 7693 void handleStartCopy() throws RemoteException { 7694 synchronized (mInstallLock) { 7695 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7696 } 7697 7698 if (mSuccess) { 7699 final boolean mounted; 7700 if (Environment.isExternalStorageEmulated()) { 7701 mounted = true; 7702 } else { 7703 final String status = Environment.getExternalStorageState(); 7704 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7705 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7706 } 7707 7708 if (mounted) { 7709 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7710 7711 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7712 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7713 7714 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7715 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7716 7717 // Always subtract cache size, since it's a subdirectory 7718 mStats.externalDataSize -= mStats.externalCacheSize; 7719 7720 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7721 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7722 7723 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7724 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7725 } 7726 } 7727 } 7728 7729 @Override 7730 void handleReturnCode() { 7731 if (mObserver != null) { 7732 try { 7733 mObserver.onGetStatsCompleted(mStats, mSuccess); 7734 } catch (RemoteException e) { 7735 Slog.i(TAG, "Observer no longer exists."); 7736 } 7737 } 7738 } 7739 7740 @Override 7741 void handleServiceError() { 7742 Slog.e(TAG, "Could not measure application " + mStats.packageName 7743 + " external storage"); 7744 } 7745 } 7746 7747 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7748 throws RemoteException { 7749 long result = 0; 7750 for (File path : paths) { 7751 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7752 } 7753 return result; 7754 } 7755 7756 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7757 for (File path : paths) { 7758 try { 7759 mcs.clearDirectory(path.getAbsolutePath()); 7760 } catch (RemoteException e) { 7761 } 7762 } 7763 } 7764 7765 class InstallParams extends HandlerParams { 7766 final IPackageInstallObserver observer; 7767 final IPackageInstallObserver2 observer2; 7768 int flags; 7769 7770 private final Uri mPackageURI; 7771 final String installerPackageName; 7772 final VerificationParams verificationParams; 7773 private InstallArgs mArgs; 7774 private int mRet; 7775 private File mTempPackage; 7776 final ContainerEncryptionParams encryptionParams; 7777 7778 InstallParams(Uri packageURI, 7779 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7780 int flags, String installerPackageName, VerificationParams verificationParams, 7781 ContainerEncryptionParams encryptionParams, UserHandle user) { 7782 super(user); 7783 this.mPackageURI = packageURI; 7784 this.flags = flags; 7785 this.observer = observer; 7786 this.observer2 = observer2; 7787 this.installerPackageName = installerPackageName; 7788 this.verificationParams = verificationParams; 7789 this.encryptionParams = encryptionParams; 7790 } 7791 7792 @Override 7793 public String toString() { 7794 return "InstallParams{" 7795 + Integer.toHexString(System.identityHashCode(this)) 7796 + " " + mPackageURI + "}"; 7797 } 7798 7799 public ManifestDigest getManifestDigest() { 7800 if (verificationParams == null) { 7801 return null; 7802 } 7803 return verificationParams.getManifestDigest(); 7804 } 7805 7806 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7807 String packageName = pkgLite.packageName; 7808 int installLocation = pkgLite.installLocation; 7809 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7810 // reader 7811 synchronized (mPackages) { 7812 PackageParser.Package pkg = mPackages.get(packageName); 7813 if (pkg != null) { 7814 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7815 // Check for downgrading. 7816 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7817 if (pkgLite.versionCode < pkg.mVersionCode) { 7818 Slog.w(TAG, "Can't install update of " + packageName 7819 + " update version " + pkgLite.versionCode 7820 + " is older than installed version " 7821 + pkg.mVersionCode); 7822 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 7823 } 7824 } 7825 // Check for updated system application. 7826 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7827 if (onSd) { 7828 Slog.w(TAG, "Cannot install update to system app on sdcard"); 7829 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 7830 } 7831 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7832 } else { 7833 if (onSd) { 7834 // Install flag overrides everything. 7835 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7836 } 7837 // If current upgrade specifies particular preference 7838 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 7839 // Application explicitly specified internal. 7840 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7841 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 7842 // App explictly prefers external. Let policy decide 7843 } else { 7844 // Prefer previous location 7845 if (isExternal(pkg)) { 7846 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7847 } 7848 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7849 } 7850 } 7851 } else { 7852 // Invalid install. Return error code 7853 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 7854 } 7855 } 7856 } 7857 // All the special cases have been taken care of. 7858 // Return result based on recommended install location. 7859 if (onSd) { 7860 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7861 } 7862 return pkgLite.recommendedInstallLocation; 7863 } 7864 7865 private long getMemoryLowThreshold() { 7866 final DeviceStorageMonitorInternal 7867 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7868 if (dsm == null) { 7869 return 0L; 7870 } 7871 return dsm.getMemoryLowThreshold(); 7872 } 7873 7874 /* 7875 * Invoke remote method to get package information and install 7876 * location values. Override install location based on default 7877 * policy if needed and then create install arguments based 7878 * on the install location. 7879 */ 7880 public void handleStartCopy() throws RemoteException { 7881 int ret = PackageManager.INSTALL_SUCCEEDED; 7882 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7883 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 7884 PackageInfoLite pkgLite = null; 7885 7886 if (onInt && onSd) { 7887 // Check if both bits are set. 7888 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 7889 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7890 } else { 7891 final long lowThreshold = getMemoryLowThreshold(); 7892 if (lowThreshold == 0L) { 7893 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7894 } 7895 7896 try { 7897 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 7898 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7899 7900 final File packageFile; 7901 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 7902 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 7903 if (mTempPackage != null) { 7904 ParcelFileDescriptor out; 7905 try { 7906 out = ParcelFileDescriptor.open(mTempPackage, 7907 ParcelFileDescriptor.MODE_READ_WRITE); 7908 } catch (FileNotFoundException e) { 7909 out = null; 7910 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 7911 } 7912 7913 // Make a temporary file for decryption. 7914 ret = mContainerService 7915 .copyResource(mPackageURI, encryptionParams, out); 7916 IoUtils.closeQuietly(out); 7917 7918 packageFile = mTempPackage; 7919 7920 FileUtils.setPermissions(packageFile.getAbsolutePath(), 7921 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 7922 | FileUtils.S_IROTH, 7923 -1, -1); 7924 } else { 7925 packageFile = null; 7926 } 7927 } else { 7928 packageFile = new File(mPackageURI.getPath()); 7929 } 7930 7931 if (packageFile != null) { 7932 // Remote call to find out default install location 7933 final String packageFilePath = packageFile.getAbsolutePath(); 7934 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 7935 lowThreshold); 7936 7937 /* 7938 * If we have too little free space, try to free cache 7939 * before giving up. 7940 */ 7941 if (pkgLite.recommendedInstallLocation 7942 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7943 final long size = mContainerService.calculateInstalledSize( 7944 packageFilePath, isForwardLocked()); 7945 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 7946 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 7947 flags, lowThreshold); 7948 } 7949 /* 7950 * The cache free must have deleted the file we 7951 * downloaded to install. 7952 * 7953 * TODO: fix the "freeCache" call to not delete 7954 * the file we care about. 7955 */ 7956 if (pkgLite.recommendedInstallLocation 7957 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7958 pkgLite.recommendedInstallLocation 7959 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 7960 } 7961 } 7962 } 7963 } finally { 7964 mContext.revokeUriPermission(mPackageURI, 7965 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7966 } 7967 } 7968 7969 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7970 int loc = pkgLite.recommendedInstallLocation; 7971 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 7972 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7973 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 7974 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 7975 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7976 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7977 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 7978 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 7979 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7980 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 7981 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 7982 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 7983 } else { 7984 // Override with defaults if needed. 7985 loc = installLocationPolicy(pkgLite, flags); 7986 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 7987 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 7988 } else if (!onSd && !onInt) { 7989 // Override install location with flags 7990 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 7991 // Set the flag to install on external media. 7992 flags |= PackageManager.INSTALL_EXTERNAL; 7993 flags &= ~PackageManager.INSTALL_INTERNAL; 7994 } else { 7995 // Make sure the flag for installing on external 7996 // media is unset 7997 flags |= PackageManager.INSTALL_INTERNAL; 7998 flags &= ~PackageManager.INSTALL_EXTERNAL; 7999 } 8000 } 8001 } 8002 } 8003 8004 final InstallArgs args = createInstallArgs(this); 8005 mArgs = args; 8006 8007 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8008 /* 8009 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8010 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8011 */ 8012 int userIdentifier = getUser().getIdentifier(); 8013 if (userIdentifier == UserHandle.USER_ALL 8014 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8015 userIdentifier = UserHandle.USER_OWNER; 8016 } 8017 8018 /* 8019 * Determine if we have any installed package verifiers. If we 8020 * do, then we'll defer to them to verify the packages. 8021 */ 8022 final int requiredUid = mRequiredVerifierPackage == null ? -1 8023 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8024 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8025 final Intent verification = new Intent( 8026 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8027 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8028 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8029 8030 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8031 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8032 0 /* TODO: Which userId? */); 8033 8034 if (DEBUG_VERIFY) { 8035 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8036 + verification.toString() + " with " + pkgLite.verifiers.length 8037 + " optional verifiers"); 8038 } 8039 8040 final int verificationId = mPendingVerificationToken++; 8041 8042 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8043 8044 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8045 installerPackageName); 8046 8047 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8048 8049 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8050 pkgLite.packageName); 8051 8052 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8053 pkgLite.versionCode); 8054 8055 if (verificationParams != null) { 8056 if (verificationParams.getVerificationURI() != null) { 8057 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8058 verificationParams.getVerificationURI()); 8059 } 8060 if (verificationParams.getOriginatingURI() != null) { 8061 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8062 verificationParams.getOriginatingURI()); 8063 } 8064 if (verificationParams.getReferrer() != null) { 8065 verification.putExtra(Intent.EXTRA_REFERRER, 8066 verificationParams.getReferrer()); 8067 } 8068 if (verificationParams.getOriginatingUid() >= 0) { 8069 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8070 verificationParams.getOriginatingUid()); 8071 } 8072 if (verificationParams.getInstallerUid() >= 0) { 8073 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8074 verificationParams.getInstallerUid()); 8075 } 8076 } 8077 8078 final PackageVerificationState verificationState = new PackageVerificationState( 8079 requiredUid, args); 8080 8081 mPendingVerification.append(verificationId, verificationState); 8082 8083 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8084 receivers, verificationState); 8085 8086 /* 8087 * If any sufficient verifiers were listed in the package 8088 * manifest, attempt to ask them. 8089 */ 8090 if (sufficientVerifiers != null) { 8091 final int N = sufficientVerifiers.size(); 8092 if (N == 0) { 8093 Slog.i(TAG, "Additional verifiers required, but none installed."); 8094 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8095 } else { 8096 for (int i = 0; i < N; i++) { 8097 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8098 8099 final Intent sufficientIntent = new Intent(verification); 8100 sufficientIntent.setComponent(verifierComponent); 8101 8102 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8103 } 8104 } 8105 } 8106 8107 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8108 mRequiredVerifierPackage, receivers); 8109 if (ret == PackageManager.INSTALL_SUCCEEDED 8110 && mRequiredVerifierPackage != null) { 8111 /* 8112 * Send the intent to the required verification agent, 8113 * but only start the verification timeout after the 8114 * target BroadcastReceivers have run. 8115 */ 8116 verification.setComponent(requiredVerifierComponent); 8117 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8118 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8119 new BroadcastReceiver() { 8120 @Override 8121 public void onReceive(Context context, Intent intent) { 8122 final Message msg = mHandler 8123 .obtainMessage(CHECK_PENDING_VERIFICATION); 8124 msg.arg1 = verificationId; 8125 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8126 } 8127 }, null, 0, null, null); 8128 8129 /* 8130 * We don't want the copy to proceed until verification 8131 * succeeds, so null out this field. 8132 */ 8133 mArgs = null; 8134 } 8135 } else { 8136 /* 8137 * No package verification is enabled, so immediately start 8138 * the remote call to initiate copy using temporary file. 8139 */ 8140 ret = args.copyApk(mContainerService, true); 8141 } 8142 } 8143 8144 mRet = ret; 8145 } 8146 8147 @Override 8148 void handleReturnCode() { 8149 // If mArgs is null, then MCS couldn't be reached. When it 8150 // reconnects, it will try again to install. At that point, this 8151 // will succeed. 8152 if (mArgs != null) { 8153 processPendingInstall(mArgs, mRet); 8154 8155 if (mTempPackage != null) { 8156 if (!mTempPackage.delete()) { 8157 Slog.w(TAG, "Couldn't delete temporary file: " + 8158 mTempPackage.getAbsolutePath()); 8159 } 8160 } 8161 } 8162 } 8163 8164 @Override 8165 void handleServiceError() { 8166 mArgs = createInstallArgs(this); 8167 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8168 } 8169 8170 public boolean isForwardLocked() { 8171 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8172 } 8173 8174 public Uri getPackageUri() { 8175 if (mTempPackage != null) { 8176 return Uri.fromFile(mTempPackage); 8177 } else { 8178 return mPackageURI; 8179 } 8180 } 8181 } 8182 8183 /* 8184 * Utility class used in movePackage api. 8185 * srcArgs and targetArgs are not set for invalid flags and make 8186 * sure to do null checks when invoking methods on them. 8187 * We probably want to return ErrorPrams for both failed installs 8188 * and moves. 8189 */ 8190 class MoveParams extends HandlerParams { 8191 final IPackageMoveObserver observer; 8192 final int flags; 8193 final String packageName; 8194 final InstallArgs srcArgs; 8195 final InstallArgs targetArgs; 8196 int uid; 8197 int mRet; 8198 8199 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8200 String packageName, String dataDir, int uid, UserHandle user) { 8201 super(user); 8202 this.srcArgs = srcArgs; 8203 this.observer = observer; 8204 this.flags = flags; 8205 this.packageName = packageName; 8206 this.uid = uid; 8207 if (srcArgs != null) { 8208 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8209 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); 8210 } else { 8211 targetArgs = null; 8212 } 8213 } 8214 8215 @Override 8216 public String toString() { 8217 return "MoveParams{" 8218 + Integer.toHexString(System.identityHashCode(this)) 8219 + " " + packageName + "}"; 8220 } 8221 8222 public void handleStartCopy() throws RemoteException { 8223 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8224 // Check for storage space on target medium 8225 if (!targetArgs.checkFreeStorage(mContainerService)) { 8226 Log.w(TAG, "Insufficient storage to install"); 8227 return; 8228 } 8229 8230 mRet = srcArgs.doPreCopy(); 8231 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8232 return; 8233 } 8234 8235 mRet = targetArgs.copyApk(mContainerService, false); 8236 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8237 srcArgs.doPostCopy(uid); 8238 return; 8239 } 8240 8241 mRet = srcArgs.doPostCopy(uid); 8242 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8243 return; 8244 } 8245 8246 mRet = targetArgs.doPreInstall(mRet); 8247 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8248 return; 8249 } 8250 8251 if (DEBUG_SD_INSTALL) { 8252 StringBuilder builder = new StringBuilder(); 8253 if (srcArgs != null) { 8254 builder.append("src: "); 8255 builder.append(srcArgs.getCodePath()); 8256 } 8257 if (targetArgs != null) { 8258 builder.append(" target : "); 8259 builder.append(targetArgs.getCodePath()); 8260 } 8261 Log.i(TAG, builder.toString()); 8262 } 8263 } 8264 8265 @Override 8266 void handleReturnCode() { 8267 targetArgs.doPostInstall(mRet, uid); 8268 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8269 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8270 currentStatus = PackageManager.MOVE_SUCCEEDED; 8271 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8272 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8273 } 8274 processPendingMove(this, currentStatus); 8275 } 8276 8277 @Override 8278 void handleServiceError() { 8279 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8280 } 8281 } 8282 8283 /** 8284 * Used during creation of InstallArgs 8285 * 8286 * @param flags package installation flags 8287 * @return true if should be installed on external storage 8288 */ 8289 private static boolean installOnSd(int flags) { 8290 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8291 return false; 8292 } 8293 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8294 return true; 8295 } 8296 return false; 8297 } 8298 8299 /** 8300 * Used during creation of InstallArgs 8301 * 8302 * @param flags package installation flags 8303 * @return true if should be installed as forward locked 8304 */ 8305 private static boolean installForwardLocked(int flags) { 8306 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8307 } 8308 8309 private InstallArgs createInstallArgs(InstallParams params) { 8310 if (installOnSd(params.flags) || params.isForwardLocked()) { 8311 return new AsecInstallArgs(params); 8312 } else { 8313 return new FileInstallArgs(params); 8314 } 8315 } 8316 8317 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8318 String nativeLibraryPath) { 8319 final boolean isInAsec; 8320 if (installOnSd(flags)) { 8321 /* Apps on SD card are always in ASEC containers. */ 8322 isInAsec = true; 8323 } else if (installForwardLocked(flags) 8324 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8325 /* 8326 * Forward-locked apps are only in ASEC containers if they're the 8327 * new style 8328 */ 8329 isInAsec = true; 8330 } else { 8331 isInAsec = false; 8332 } 8333 8334 if (isInAsec) { 8335 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8336 installOnSd(flags), installForwardLocked(flags)); 8337 } else { 8338 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); 8339 } 8340 } 8341 8342 // Used by package mover 8343 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { 8344 if (installOnSd(flags) || installForwardLocked(flags)) { 8345 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8346 + AsecInstallArgs.RES_FILE_NAME); 8347 return new AsecInstallArgs(packageURI, cid, installOnSd(flags), 8348 installForwardLocked(flags)); 8349 } else { 8350 return new FileInstallArgs(packageURI, pkgName, dataDir); 8351 } 8352 } 8353 8354 static abstract class InstallArgs { 8355 final IPackageInstallObserver observer; 8356 final IPackageInstallObserver2 observer2; 8357 // Always refers to PackageManager flags only 8358 final int flags; 8359 final Uri packageURI; 8360 final String installerPackageName; 8361 final ManifestDigest manifestDigest; 8362 final UserHandle user; 8363 8364 InstallArgs(Uri packageURI, 8365 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8366 int flags, String installerPackageName, ManifestDigest manifestDigest, 8367 UserHandle user) { 8368 this.packageURI = packageURI; 8369 this.flags = flags; 8370 this.observer = observer; 8371 this.observer2 = observer2; 8372 this.installerPackageName = installerPackageName; 8373 this.manifestDigest = manifestDigest; 8374 this.user = user; 8375 } 8376 8377 abstract void createCopyFile(); 8378 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8379 abstract int doPreInstall(int status); 8380 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8381 8382 abstract int doPostInstall(int status, int uid); 8383 abstract String getCodePath(); 8384 abstract String getResourcePath(); 8385 abstract String getNativeLibraryPath(); 8386 // Need installer lock especially for dex file removal. 8387 abstract void cleanUpResourcesLI(); 8388 abstract boolean doPostDeleteLI(boolean delete); 8389 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8390 8391 /** 8392 * Called before the source arguments are copied. This is used mostly 8393 * for MoveParams when it needs to read the source file to put it in the 8394 * destination. 8395 */ 8396 int doPreCopy() { 8397 return PackageManager.INSTALL_SUCCEEDED; 8398 } 8399 8400 /** 8401 * Called after the source arguments are copied. This is used mostly for 8402 * MoveParams when it needs to read the source file to put it in the 8403 * destination. 8404 * 8405 * @return 8406 */ 8407 int doPostCopy(int uid) { 8408 return PackageManager.INSTALL_SUCCEEDED; 8409 } 8410 8411 protected boolean isFwdLocked() { 8412 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8413 } 8414 8415 UserHandle getUser() { 8416 return user; 8417 } 8418 } 8419 8420 class FileInstallArgs extends InstallArgs { 8421 File installDir; 8422 String codeFileName; 8423 String resourceFileName; 8424 String libraryPath; 8425 boolean created = false; 8426 8427 FileInstallArgs(InstallParams params) { 8428 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 8429 params.installerPackageName, params.getManifestDigest(), 8430 params.getUser()); 8431 } 8432 8433 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { 8434 super(null, null, null, 0, null, null, null); 8435 File codeFile = new File(fullCodePath); 8436 installDir = codeFile.getParentFile(); 8437 codeFileName = fullCodePath; 8438 resourceFileName = fullResourcePath; 8439 libraryPath = nativeLibraryPath; 8440 } 8441 8442 FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { 8443 super(packageURI, null, null, 0, null, null, null); 8444 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8445 String apkName = getNextCodePath(null, pkgName, ".apk"); 8446 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8447 resourceFileName = getResourcePathFromCodePath(); 8448 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8449 } 8450 8451 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8452 final long lowThreshold; 8453 8454 final DeviceStorageMonitorInternal 8455 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8456 if (dsm == null) { 8457 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8458 lowThreshold = 0L; 8459 } else { 8460 if (dsm.isMemoryLow()) { 8461 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8462 return false; 8463 } 8464 8465 lowThreshold = dsm.getMemoryLowThreshold(); 8466 } 8467 8468 try { 8469 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8470 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8471 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8472 } finally { 8473 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8474 } 8475 } 8476 8477 String getCodePath() { 8478 return codeFileName; 8479 } 8480 8481 void createCopyFile() { 8482 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8483 codeFileName = createTempPackageFile(installDir).getPath(); 8484 resourceFileName = getResourcePathFromCodePath(); 8485 libraryPath = getLibraryPathFromCodePath(); 8486 created = true; 8487 } 8488 8489 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8490 if (temp) { 8491 // Generate temp file name 8492 createCopyFile(); 8493 } 8494 // Get a ParcelFileDescriptor to write to the output file 8495 File codeFile = new File(codeFileName); 8496 if (!created) { 8497 try { 8498 codeFile.createNewFile(); 8499 // Set permissions 8500 if (!setPermissions()) { 8501 // Failed setting permissions. 8502 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8503 } 8504 } catch (IOException e) { 8505 Slog.w(TAG, "Failed to create file " + codeFile); 8506 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8507 } 8508 } 8509 ParcelFileDescriptor out = null; 8510 try { 8511 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8512 } catch (FileNotFoundException e) { 8513 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8514 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8515 } 8516 // Copy the resource now 8517 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8518 try { 8519 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8520 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8521 ret = imcs.copyResource(packageURI, null, out); 8522 } finally { 8523 IoUtils.closeQuietly(out); 8524 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8525 } 8526 8527 if (isFwdLocked()) { 8528 final File destResourceFile = new File(getResourcePath()); 8529 8530 // Copy the public files 8531 try { 8532 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8533 } catch (IOException e) { 8534 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8535 + " forward-locked app."); 8536 destResourceFile.delete(); 8537 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8538 } 8539 } 8540 8541 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8542 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8543 if (nativeLibraryFile.exists()) { 8544 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8545 nativeLibraryFile.delete(); 8546 } 8547 try { 8548 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8549 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8550 return copyRet; 8551 } 8552 } catch (IOException e) { 8553 Slog.e(TAG, "Copying native libraries failed", e); 8554 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8555 } 8556 8557 return ret; 8558 } 8559 8560 int doPreInstall(int status) { 8561 if (status != PackageManager.INSTALL_SUCCEEDED) { 8562 cleanUp(); 8563 } 8564 return status; 8565 } 8566 8567 boolean doRename(int status, final String pkgName, String oldCodePath) { 8568 if (status != PackageManager.INSTALL_SUCCEEDED) { 8569 cleanUp(); 8570 return false; 8571 } else { 8572 final File oldCodeFile = new File(getCodePath()); 8573 final File oldResourceFile = new File(getResourcePath()); 8574 final File oldLibraryFile = new File(getNativeLibraryPath()); 8575 8576 // Rename APK file based on packageName 8577 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8578 final File newCodeFile = new File(installDir, apkName + ".apk"); 8579 if (!oldCodeFile.renameTo(newCodeFile)) { 8580 return false; 8581 } 8582 codeFileName = newCodeFile.getPath(); 8583 8584 // Rename public resource file if it's forward-locked. 8585 final File newResFile = new File(getResourcePathFromCodePath()); 8586 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8587 return false; 8588 } 8589 resourceFileName = newResFile.getPath(); 8590 8591 // Rename library path 8592 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8593 if (newLibraryFile.exists()) { 8594 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8595 newLibraryFile.delete(); 8596 } 8597 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8598 Slog.e(TAG, "Cannot rename native library directory " 8599 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8600 return false; 8601 } 8602 libraryPath = newLibraryFile.getPath(); 8603 8604 // Attempt to set permissions 8605 if (!setPermissions()) { 8606 return false; 8607 } 8608 8609 if (!SELinux.restorecon(newCodeFile)) { 8610 return false; 8611 } 8612 8613 return true; 8614 } 8615 } 8616 8617 int doPostInstall(int status, int uid) { 8618 if (status != PackageManager.INSTALL_SUCCEEDED) { 8619 cleanUp(); 8620 } 8621 return status; 8622 } 8623 8624 String getResourcePath() { 8625 return resourceFileName; 8626 } 8627 8628 private String getResourcePathFromCodePath() { 8629 final String codePath = getCodePath(); 8630 if (isFwdLocked()) { 8631 final StringBuilder sb = new StringBuilder(); 8632 8633 sb.append(mAppInstallDir.getPath()); 8634 sb.append('/'); 8635 sb.append(getApkName(codePath)); 8636 sb.append(".zip"); 8637 8638 /* 8639 * If our APK is a temporary file, mark the resource as a 8640 * temporary file as well so it can be cleaned up after 8641 * catastrophic failure. 8642 */ 8643 if (codePath.endsWith(".tmp")) { 8644 sb.append(".tmp"); 8645 } 8646 8647 return sb.toString(); 8648 } else { 8649 return codePath; 8650 } 8651 } 8652 8653 private String getLibraryPathFromCodePath() { 8654 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8655 } 8656 8657 @Override 8658 String getNativeLibraryPath() { 8659 if (libraryPath == null) { 8660 libraryPath = getLibraryPathFromCodePath(); 8661 } 8662 return libraryPath; 8663 } 8664 8665 private boolean cleanUp() { 8666 boolean ret = true; 8667 String sourceDir = getCodePath(); 8668 String publicSourceDir = getResourcePath(); 8669 if (sourceDir != null) { 8670 File sourceFile = new File(sourceDir); 8671 if (!sourceFile.exists()) { 8672 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8673 ret = false; 8674 } 8675 // Delete application's code and resources 8676 sourceFile.delete(); 8677 } 8678 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8679 final File publicSourceFile = new File(publicSourceDir); 8680 if (!publicSourceFile.exists()) { 8681 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8682 } 8683 if (publicSourceFile.exists()) { 8684 publicSourceFile.delete(); 8685 } 8686 } 8687 8688 if (libraryPath != null) { 8689 File nativeLibraryFile = new File(libraryPath); 8690 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8691 if (!nativeLibraryFile.delete()) { 8692 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8693 } 8694 } 8695 8696 return ret; 8697 } 8698 8699 void cleanUpResourcesLI() { 8700 String sourceDir = getCodePath(); 8701 if (cleanUp()) { 8702 int retCode = mInstaller.rmdex(sourceDir); 8703 if (retCode < 0) { 8704 Slog.w(TAG, "Couldn't remove dex file for package: " 8705 + " at location " 8706 + sourceDir + ", retcode=" + retCode); 8707 // we don't consider this to be a failure of the core package deletion 8708 } 8709 } 8710 } 8711 8712 private boolean setPermissions() { 8713 // TODO Do this in a more elegant way later on. for now just a hack 8714 if (!isFwdLocked()) { 8715 final int filePermissions = 8716 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8717 |FileUtils.S_IROTH; 8718 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8719 if (retCode != 0) { 8720 Slog.e(TAG, "Couldn't set new package file permissions for " + 8721 getCodePath() 8722 + ". The return code was: " + retCode); 8723 // TODO Define new internal error 8724 return false; 8725 } 8726 return true; 8727 } 8728 return true; 8729 } 8730 8731 boolean doPostDeleteLI(boolean delete) { 8732 // XXX err, shouldn't we respect the delete flag? 8733 cleanUpResourcesLI(); 8734 return true; 8735 } 8736 } 8737 8738 private boolean isAsecExternal(String cid) { 8739 final String asecPath = PackageHelper.getSdFilesystem(cid); 8740 return !asecPath.startsWith(mAsecInternalPath); 8741 } 8742 8743 /** 8744 * Extract the MountService "container ID" from the full code path of an 8745 * .apk. 8746 */ 8747 static String cidFromCodePath(String fullCodePath) { 8748 int eidx = fullCodePath.lastIndexOf("/"); 8749 String subStr1 = fullCodePath.substring(0, eidx); 8750 int sidx = subStr1.lastIndexOf("/"); 8751 return subStr1.substring(sidx+1, eidx); 8752 } 8753 8754 class AsecInstallArgs extends InstallArgs { 8755 static final String RES_FILE_NAME = "pkg.apk"; 8756 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8757 8758 String cid; 8759 String packagePath; 8760 String resourcePath; 8761 String libraryPath; 8762 8763 AsecInstallArgs(InstallParams params) { 8764 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 8765 params.installerPackageName, params.getManifestDigest(), 8766 params.getUser()); 8767 } 8768 8769 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8770 boolean isExternal, boolean isForwardLocked) { 8771 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8772 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8773 null, null, null); 8774 // Extract cid from fullCodePath 8775 int eidx = fullCodePath.lastIndexOf("/"); 8776 String subStr1 = fullCodePath.substring(0, eidx); 8777 int sidx = subStr1.lastIndexOf("/"); 8778 cid = subStr1.substring(sidx+1, eidx); 8779 setCachePath(subStr1); 8780 } 8781 8782 AsecInstallArgs(String cid, boolean isForwardLocked) { 8783 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8784 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8785 null, null, null); 8786 this.cid = cid; 8787 setCachePath(PackageHelper.getSdDir(cid)); 8788 } 8789 8790 AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) { 8791 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8792 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8793 null, null, null); 8794 this.cid = cid; 8795 } 8796 8797 void createCopyFile() { 8798 cid = getTempContainerId(); 8799 } 8800 8801 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8802 try { 8803 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8804 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8805 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8806 } finally { 8807 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8808 } 8809 } 8810 8811 private final boolean isExternal() { 8812 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8813 } 8814 8815 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8816 if (temp) { 8817 createCopyFile(); 8818 } else { 8819 /* 8820 * Pre-emptively destroy the container since it's destroyed if 8821 * copying fails due to it existing anyway. 8822 */ 8823 PackageHelper.destroySdDir(cid); 8824 } 8825 8826 final String newCachePath; 8827 try { 8828 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8829 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8830 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 8831 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 8832 } finally { 8833 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8834 } 8835 8836 if (newCachePath != null) { 8837 setCachePath(newCachePath); 8838 return PackageManager.INSTALL_SUCCEEDED; 8839 } else { 8840 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8841 } 8842 } 8843 8844 @Override 8845 String getCodePath() { 8846 return packagePath; 8847 } 8848 8849 @Override 8850 String getResourcePath() { 8851 return resourcePath; 8852 } 8853 8854 @Override 8855 String getNativeLibraryPath() { 8856 return libraryPath; 8857 } 8858 8859 int doPreInstall(int status) { 8860 if (status != PackageManager.INSTALL_SUCCEEDED) { 8861 // Destroy container 8862 PackageHelper.destroySdDir(cid); 8863 } else { 8864 boolean mounted = PackageHelper.isContainerMounted(cid); 8865 if (!mounted) { 8866 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 8867 Process.SYSTEM_UID); 8868 if (newCachePath != null) { 8869 setCachePath(newCachePath); 8870 } else { 8871 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8872 } 8873 } 8874 } 8875 return status; 8876 } 8877 8878 boolean doRename(int status, final String pkgName, 8879 String oldCodePath) { 8880 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 8881 String newCachePath = null; 8882 if (PackageHelper.isContainerMounted(cid)) { 8883 // Unmount the container 8884 if (!PackageHelper.unMountSdDir(cid)) { 8885 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 8886 return false; 8887 } 8888 } 8889 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8890 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 8891 " which might be stale. Will try to clean up."); 8892 // Clean up the stale container and proceed to recreate. 8893 if (!PackageHelper.destroySdDir(newCacheId)) { 8894 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 8895 return false; 8896 } 8897 // Successfully cleaned up stale container. Try to rename again. 8898 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8899 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 8900 + " inspite of cleaning it up."); 8901 return false; 8902 } 8903 } 8904 if (!PackageHelper.isContainerMounted(newCacheId)) { 8905 Slog.w(TAG, "Mounting container " + newCacheId); 8906 newCachePath = PackageHelper.mountSdDir(newCacheId, 8907 getEncryptKey(), Process.SYSTEM_UID); 8908 } else { 8909 newCachePath = PackageHelper.getSdDir(newCacheId); 8910 } 8911 if (newCachePath == null) { 8912 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 8913 return false; 8914 } 8915 Log.i(TAG, "Succesfully renamed " + cid + 8916 " to " + newCacheId + 8917 " at new path: " + newCachePath); 8918 cid = newCacheId; 8919 setCachePath(newCachePath); 8920 return true; 8921 } 8922 8923 private void setCachePath(String newCachePath) { 8924 File cachePath = new File(newCachePath); 8925 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 8926 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 8927 8928 if (isFwdLocked()) { 8929 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 8930 } else { 8931 resourcePath = packagePath; 8932 } 8933 } 8934 8935 int doPostInstall(int status, int uid) { 8936 if (status != PackageManager.INSTALL_SUCCEEDED) { 8937 cleanUp(); 8938 } else { 8939 final int groupOwner; 8940 final String protectedFile; 8941 if (isFwdLocked()) { 8942 groupOwner = UserHandle.getSharedAppGid(uid); 8943 protectedFile = RES_FILE_NAME; 8944 } else { 8945 groupOwner = -1; 8946 protectedFile = null; 8947 } 8948 8949 if (uid < Process.FIRST_APPLICATION_UID 8950 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 8951 Slog.e(TAG, "Failed to finalize " + cid); 8952 PackageHelper.destroySdDir(cid); 8953 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8954 } 8955 8956 boolean mounted = PackageHelper.isContainerMounted(cid); 8957 if (!mounted) { 8958 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 8959 } 8960 } 8961 return status; 8962 } 8963 8964 private void cleanUp() { 8965 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 8966 8967 // Destroy secure container 8968 PackageHelper.destroySdDir(cid); 8969 } 8970 8971 void cleanUpResourcesLI() { 8972 String sourceFile = getCodePath(); 8973 // Remove dex file 8974 int retCode = mInstaller.rmdex(sourceFile); 8975 if (retCode < 0) { 8976 Slog.w(TAG, "Couldn't remove dex file for package: " 8977 + " at location " 8978 + sourceFile.toString() + ", retcode=" + retCode); 8979 // we don't consider this to be a failure of the core package deletion 8980 } 8981 cleanUp(); 8982 } 8983 8984 boolean matchContainer(String app) { 8985 if (cid.startsWith(app)) { 8986 return true; 8987 } 8988 return false; 8989 } 8990 8991 String getPackageName() { 8992 return getAsecPackageName(cid); 8993 } 8994 8995 boolean doPostDeleteLI(boolean delete) { 8996 boolean ret = false; 8997 boolean mounted = PackageHelper.isContainerMounted(cid); 8998 if (mounted) { 8999 // Unmount first 9000 ret = PackageHelper.unMountSdDir(cid); 9001 } 9002 if (ret && delete) { 9003 cleanUpResourcesLI(); 9004 } 9005 return ret; 9006 } 9007 9008 @Override 9009 int doPreCopy() { 9010 if (isFwdLocked()) { 9011 if (!PackageHelper.fixSdPermissions(cid, 9012 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9013 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9014 } 9015 } 9016 9017 return PackageManager.INSTALL_SUCCEEDED; 9018 } 9019 9020 @Override 9021 int doPostCopy(int uid) { 9022 if (isFwdLocked()) { 9023 if (uid < Process.FIRST_APPLICATION_UID 9024 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9025 RES_FILE_NAME)) { 9026 Slog.e(TAG, "Failed to finalize " + cid); 9027 PackageHelper.destroySdDir(cid); 9028 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9029 } 9030 } 9031 9032 return PackageManager.INSTALL_SUCCEEDED; 9033 } 9034 }; 9035 9036 static String getAsecPackageName(String packageCid) { 9037 int idx = packageCid.lastIndexOf("-"); 9038 if (idx == -1) { 9039 return packageCid; 9040 } 9041 return packageCid.substring(0, idx); 9042 } 9043 9044 // Utility method used to create code paths based on package name and available index. 9045 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9046 String idxStr = ""; 9047 int idx = 1; 9048 // Fall back to default value of idx=1 if prefix is not 9049 // part of oldCodePath 9050 if (oldCodePath != null) { 9051 String subStr = oldCodePath; 9052 // Drop the suffix right away 9053 if (subStr.endsWith(suffix)) { 9054 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9055 } 9056 // If oldCodePath already contains prefix find out the 9057 // ending index to either increment or decrement. 9058 int sidx = subStr.lastIndexOf(prefix); 9059 if (sidx != -1) { 9060 subStr = subStr.substring(sidx + prefix.length()); 9061 if (subStr != null) { 9062 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9063 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9064 } 9065 try { 9066 idx = Integer.parseInt(subStr); 9067 if (idx <= 1) { 9068 idx++; 9069 } else { 9070 idx--; 9071 } 9072 } catch(NumberFormatException e) { 9073 } 9074 } 9075 } 9076 } 9077 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9078 return prefix + idxStr; 9079 } 9080 9081 // Utility method used to ignore ADD/REMOVE events 9082 // by directory observer. 9083 private static boolean ignoreCodePath(String fullPathStr) { 9084 String apkName = getApkName(fullPathStr); 9085 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9086 if (idx != -1 && ((idx+1) < apkName.length())) { 9087 // Make sure the package ends with a numeral 9088 String version = apkName.substring(idx+1); 9089 try { 9090 Integer.parseInt(version); 9091 return true; 9092 } catch (NumberFormatException e) {} 9093 } 9094 return false; 9095 } 9096 9097 // Utility method that returns the relative package path with respect 9098 // to the installation directory. Like say for /data/data/com.test-1.apk 9099 // string com.test-1 is returned. 9100 static String getApkName(String codePath) { 9101 if (codePath == null) { 9102 return null; 9103 } 9104 int sidx = codePath.lastIndexOf("/"); 9105 int eidx = codePath.lastIndexOf("."); 9106 if (eidx == -1) { 9107 eidx = codePath.length(); 9108 } else if (eidx == 0) { 9109 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9110 return null; 9111 } 9112 return codePath.substring(sidx+1, eidx); 9113 } 9114 9115 class PackageInstalledInfo { 9116 String name; 9117 int uid; 9118 // The set of users that originally had this package installed. 9119 int[] origUsers; 9120 // The set of users that now have this package installed. 9121 int[] newUsers; 9122 PackageParser.Package pkg; 9123 int returnCode; 9124 PackageRemovedInfo removedInfo; 9125 9126 // In some error cases we want to convey more info back to the observer 9127 String origPackage; 9128 String origPermission; 9129 } 9130 9131 /* 9132 * Install a non-existing package. 9133 */ 9134 private void installNewPackageLI(PackageParser.Package pkg, 9135 int parseFlags, int scanMode, UserHandle user, 9136 String installerPackageName, PackageInstalledInfo res) { 9137 // Remember this for later, in case we need to rollback this install 9138 String pkgName = pkg.packageName; 9139 9140 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9141 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9142 synchronized(mPackages) { 9143 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9144 // A package with the same name is already installed, though 9145 // it has been renamed to an older name. The package we 9146 // are trying to install should be installed as an update to 9147 // the existing one, but that has not been requested, so bail. 9148 Slog.w(TAG, "Attempt to re-install " + pkgName 9149 + " without first uninstalling package running as " 9150 + mSettings.mRenamedPackages.get(pkgName)); 9151 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9152 return; 9153 } 9154 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9155 // Don't allow installation over an existing package with the same name. 9156 Slog.w(TAG, "Attempt to re-install " + pkgName 9157 + " without first uninstalling."); 9158 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9159 return; 9160 } 9161 } 9162 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9163 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9164 System.currentTimeMillis(), user); 9165 if (newPackage == null) { 9166 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9167 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9168 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9169 } 9170 } else { 9171 updateSettingsLI(newPackage, 9172 installerPackageName, 9173 null, null, 9174 res); 9175 // delete the partially installed application. the data directory will have to be 9176 // restored if it was already existing 9177 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9178 // remove package from internal structures. Note that we want deletePackageX to 9179 // delete the package data and cache directories that it created in 9180 // scanPackageLocked, unless those directories existed before we even tried to 9181 // install. 9182 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9183 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9184 res.removedInfo, true); 9185 } 9186 } 9187 } 9188 9189 private void replacePackageLI(PackageParser.Package pkg, 9190 int parseFlags, int scanMode, UserHandle user, 9191 String installerPackageName, PackageInstalledInfo res) { 9192 9193 PackageParser.Package oldPackage; 9194 String pkgName = pkg.packageName; 9195 int[] allUsers; 9196 boolean[] perUserInstalled; 9197 9198 // First find the old package info and check signatures 9199 synchronized(mPackages) { 9200 oldPackage = mPackages.get(pkgName); 9201 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9202 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9203 != PackageManager.SIGNATURE_MATCH) { 9204 Slog.w(TAG, "New package has a different signature: " + pkgName); 9205 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9206 return; 9207 } 9208 9209 // In case of rollback, remember per-user/profile install state 9210 PackageSetting ps = mSettings.mPackages.get(pkgName); 9211 allUsers = sUserManager.getUserIds(); 9212 perUserInstalled = new boolean[allUsers.length]; 9213 for (int i = 0; i < allUsers.length; i++) { 9214 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9215 } 9216 } 9217 boolean sysPkg = (isSystemApp(oldPackage)); 9218 if (sysPkg) { 9219 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9220 user, allUsers, perUserInstalled, installerPackageName, res); 9221 } else { 9222 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9223 user, allUsers, perUserInstalled, installerPackageName, res); 9224 } 9225 } 9226 9227 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9228 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9229 int[] allUsers, boolean[] perUserInstalled, 9230 String installerPackageName, PackageInstalledInfo res) { 9231 PackageParser.Package newPackage = null; 9232 String pkgName = deletedPackage.packageName; 9233 boolean deletedPkg = true; 9234 boolean updatedSettings = false; 9235 9236 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9237 + deletedPackage); 9238 long origUpdateTime; 9239 if (pkg.mExtras != null) { 9240 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9241 } else { 9242 origUpdateTime = 0; 9243 } 9244 9245 // First delete the existing package while retaining the data directory 9246 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9247 res.removedInfo, true)) { 9248 // If the existing package wasn't successfully deleted 9249 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9250 deletedPkg = false; 9251 } else { 9252 // Successfully deleted the old package. Now proceed with re-installation 9253 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9254 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9255 System.currentTimeMillis(), user); 9256 if (newPackage == null) { 9257 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9258 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9259 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9260 } 9261 } else { 9262 updateSettingsLI(newPackage, 9263 installerPackageName, 9264 allUsers, perUserInstalled, 9265 res); 9266 updatedSettings = true; 9267 } 9268 } 9269 9270 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9271 // remove package from internal structures. Note that we want deletePackageX to 9272 // delete the package data and cache directories that it created in 9273 // scanPackageLocked, unless those directories existed before we even tried to 9274 // install. 9275 if(updatedSettings) { 9276 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9277 deletePackageLI( 9278 pkgName, null, true, allUsers, perUserInstalled, 9279 PackageManager.DELETE_KEEP_DATA, 9280 res.removedInfo, true); 9281 } 9282 // Since we failed to install the new package we need to restore the old 9283 // package that we deleted. 9284 if(deletedPkg) { 9285 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9286 File restoreFile = new File(deletedPackage.mPath); 9287 // Parse old package 9288 boolean oldOnSd = isExternal(deletedPackage); 9289 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9290 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9291 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9292 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9293 | SCAN_UPDATE_TIME; 9294 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9295 origUpdateTime, null) == null) { 9296 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9297 return; 9298 } 9299 // Restore of old package succeeded. Update permissions. 9300 // writer 9301 synchronized (mPackages) { 9302 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9303 UPDATE_PERMISSIONS_ALL); 9304 // can downgrade to reader 9305 mSettings.writeLPr(); 9306 } 9307 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9308 } 9309 } 9310 } 9311 9312 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9313 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9314 int[] allUsers, boolean[] perUserInstalled, 9315 String installerPackageName, PackageInstalledInfo res) { 9316 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9317 + ", old=" + deletedPackage); 9318 PackageParser.Package newPackage = null; 9319 boolean updatedSettings = false; 9320 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9321 PackageParser.PARSE_IS_SYSTEM; 9322 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9323 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9324 } 9325 String packageName = deletedPackage.packageName; 9326 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9327 if (packageName == null) { 9328 Slog.w(TAG, "Attempt to delete null packageName."); 9329 return; 9330 } 9331 PackageParser.Package oldPkg; 9332 PackageSetting oldPkgSetting; 9333 // reader 9334 synchronized (mPackages) { 9335 oldPkg = mPackages.get(packageName); 9336 oldPkgSetting = mSettings.mPackages.get(packageName); 9337 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9338 (oldPkgSetting == null)) { 9339 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9340 return; 9341 } 9342 } 9343 9344 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9345 9346 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9347 res.removedInfo.removedPackage = packageName; 9348 // Remove existing system package 9349 removePackageLI(oldPkgSetting, true); 9350 // writer 9351 synchronized (mPackages) { 9352 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9353 // We didn't need to disable the .apk as a current system package, 9354 // which means we are replacing another update that is already 9355 // installed. We need to make sure to delete the older one's .apk. 9356 res.removedInfo.args = createInstallArgs(0, 9357 deletedPackage.applicationInfo.sourceDir, 9358 deletedPackage.applicationInfo.publicSourceDir, 9359 deletedPackage.applicationInfo.nativeLibraryDir); 9360 } else { 9361 res.removedInfo.args = null; 9362 } 9363 } 9364 9365 // Successfully disabled the old package. Now proceed with re-installation 9366 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9367 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9368 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9369 if (newPackage == null) { 9370 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9371 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9372 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9373 } 9374 } else { 9375 if (newPackage.mExtras != null) { 9376 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9377 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9378 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9379 9380 // is the update attempting to change shared user? that isn't going to work... 9381 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 9382 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 9383 + " to " + newPkgSetting.sharedUser); 9384 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 9385 updatedSettings = true; 9386 } 9387 } 9388 9389 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 9390 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9391 updatedSettings = true; 9392 } 9393 } 9394 9395 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9396 // Re installation failed. Restore old information 9397 // Remove new pkg information 9398 if (newPackage != null) { 9399 removeInstalledPackageLI(newPackage, true); 9400 } 9401 // Add back the old system package 9402 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9403 // Restore the old system information in Settings 9404 synchronized(mPackages) { 9405 if (updatedSettings) { 9406 mSettings.enableSystemPackageLPw(packageName); 9407 mSettings.setInstallerPackageName(packageName, 9408 oldPkgSetting.installerPackageName); 9409 } 9410 mSettings.writeLPr(); 9411 } 9412 } 9413 } 9414 9415 // Utility method used to move dex files during install. 9416 private int moveDexFilesLI(PackageParser.Package newPackage) { 9417 int retCode; 9418 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9419 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); 9420 if (retCode != 0) { 9421 if (mNoDexOpt) { 9422 /* 9423 * If we're in an engineering build, programs are lazily run 9424 * through dexopt. If the .dex file doesn't exist yet, it 9425 * will be created when the program is run next. 9426 */ 9427 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 9428 } else { 9429 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 9430 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9431 } 9432 } 9433 } 9434 return PackageManager.INSTALL_SUCCEEDED; 9435 } 9436 9437 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9438 int[] allUsers, boolean[] perUserInstalled, 9439 PackageInstalledInfo res) { 9440 String pkgName = newPackage.packageName; 9441 synchronized (mPackages) { 9442 //write settings. the installStatus will be incomplete at this stage. 9443 //note that the new package setting would have already been 9444 //added to mPackages. It hasn't been persisted yet. 9445 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9446 mSettings.writeLPr(); 9447 } 9448 9449 if ((res.returnCode = moveDexFilesLI(newPackage)) 9450 != PackageManager.INSTALL_SUCCEEDED) { 9451 // Discontinue if moving dex files failed. 9452 return; 9453 } 9454 9455 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9456 9457 synchronized (mPackages) { 9458 updatePermissionsLPw(newPackage.packageName, newPackage, 9459 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9460 ? UPDATE_PERMISSIONS_ALL : 0)); 9461 // For system-bundled packages, we assume that installing an upgraded version 9462 // of the package implies that the user actually wants to run that new code, 9463 // so we enable the package. 9464 if (isSystemApp(newPackage)) { 9465 // NB: implicit assumption that system package upgrades apply to all users 9466 if (DEBUG_INSTALL) { 9467 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9468 } 9469 PackageSetting ps = mSettings.mPackages.get(pkgName); 9470 if (ps != null) { 9471 if (res.origUsers != null) { 9472 for (int userHandle : res.origUsers) { 9473 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9474 userHandle, installerPackageName); 9475 } 9476 } 9477 // Also convey the prior install/uninstall state 9478 if (allUsers != null && perUserInstalled != null) { 9479 for (int i = 0; i < allUsers.length; i++) { 9480 if (DEBUG_INSTALL) { 9481 Slog.d(TAG, " user " + allUsers[i] 9482 + " => " + perUserInstalled[i]); 9483 } 9484 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9485 } 9486 // these install state changes will be persisted in the 9487 // upcoming call to mSettings.writeLPr(). 9488 } 9489 } 9490 } 9491 res.name = pkgName; 9492 res.uid = newPackage.applicationInfo.uid; 9493 res.pkg = newPackage; 9494 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9495 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9496 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9497 //to update install status 9498 mSettings.writeLPr(); 9499 } 9500 } 9501 9502 private void installPackageLI(InstallArgs args, 9503 boolean newInstall, PackageInstalledInfo res) { 9504 int pFlags = args.flags; 9505 String installerPackageName = args.installerPackageName; 9506 File tmpPackageFile = new File(args.getCodePath()); 9507 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9508 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9509 boolean replace = false; 9510 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9511 | (newInstall ? SCAN_NEW_INSTALL : 0); 9512 // Result object to be returned 9513 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9514 9515 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9516 // Retrieve PackageSettings and parse package 9517 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9518 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9519 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9520 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9521 pp.setSeparateProcesses(mSeparateProcesses); 9522 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9523 null, mMetrics, parseFlags); 9524 if (pkg == null) { 9525 res.returnCode = pp.getParseError(); 9526 return; 9527 } 9528 String pkgName = res.name = pkg.packageName; 9529 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9530 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9531 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9532 return; 9533 } 9534 } 9535 if (!pp.collectCertificates(pkg, parseFlags)) { 9536 res.returnCode = pp.getParseError(); 9537 return; 9538 } 9539 9540 /* If the installer passed in a manifest digest, compare it now. */ 9541 if (args.manifestDigest != null) { 9542 if (DEBUG_INSTALL) { 9543 final String parsedManifest = pkg.manifestDigest == null ? "null" 9544 : pkg.manifestDigest.toString(); 9545 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9546 + parsedManifest); 9547 } 9548 9549 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9550 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9551 return; 9552 } 9553 } else if (DEBUG_INSTALL) { 9554 final String parsedManifest = pkg.manifestDigest == null 9555 ? "null" : pkg.manifestDigest.toString(); 9556 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9557 } 9558 9559 // Get rid of all references to package scan path via parser. 9560 pp = null; 9561 String oldCodePath = null; 9562 boolean systemApp = false; 9563 synchronized (mPackages) { 9564 // Check whether the newly-scanned package wants to define an already-defined perm 9565 int N = pkg.permissions.size(); 9566 for (int i = 0; i < N; i++) { 9567 PackageParser.Permission perm = pkg.permissions.get(i); 9568 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 9569 if (bp != null) { 9570 // If the defining package is signed with our cert, it's okay. This 9571 // also includes the "updating the same package" case, of course. 9572 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 9573 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9574 Slog.w(TAG, "Package " + pkg.packageName 9575 + " attempting to redeclare permission " + perm.info.name 9576 + " already owned by " + bp.sourcePackage); 9577 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 9578 res.origPermission = perm.info.name; 9579 res.origPackage = bp.sourcePackage; 9580 return; 9581 } 9582 } 9583 } 9584 9585 // Check if installing already existing package 9586 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9587 String oldName = mSettings.mRenamedPackages.get(pkgName); 9588 if (pkg.mOriginalPackages != null 9589 && pkg.mOriginalPackages.contains(oldName) 9590 && mPackages.containsKey(oldName)) { 9591 // This package is derived from an original package, 9592 // and this device has been updating from that original 9593 // name. We must continue using the original name, so 9594 // rename the new package here. 9595 pkg.setPackageName(oldName); 9596 pkgName = pkg.packageName; 9597 replace = true; 9598 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9599 + oldName + " pkgName=" + pkgName); 9600 } else if (mPackages.containsKey(pkgName)) { 9601 // This package, under its official name, already exists 9602 // on the device; we should replace it. 9603 replace = true; 9604 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9605 } 9606 } 9607 PackageSetting ps = mSettings.mPackages.get(pkgName); 9608 if (ps != null) { 9609 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9610 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9611 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9612 systemApp = (ps.pkg.applicationInfo.flags & 9613 ApplicationInfo.FLAG_SYSTEM) != 0; 9614 } 9615 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9616 } 9617 } 9618 9619 if (systemApp && onSd) { 9620 // Disable updates to system apps on sdcard 9621 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9622 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9623 return; 9624 } 9625 9626 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9627 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9628 return; 9629 } 9630 // Set application objects path explicitly after the rename 9631 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9632 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9633 if (replace) { 9634 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9635 installerPackageName, res); 9636 } else { 9637 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9638 installerPackageName, res); 9639 } 9640 synchronized (mPackages) { 9641 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9642 if (ps != null) { 9643 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9644 } 9645 } 9646 } 9647 9648 private static boolean isForwardLocked(PackageParser.Package pkg) { 9649 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9650 } 9651 9652 9653 private boolean isForwardLocked(PackageSetting ps) { 9654 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9655 } 9656 9657 private static boolean isExternal(PackageParser.Package pkg) { 9658 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9659 } 9660 9661 private static boolean isExternal(PackageSetting ps) { 9662 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9663 } 9664 9665 private static boolean isSystemApp(PackageParser.Package pkg) { 9666 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9667 } 9668 9669 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9670 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9671 } 9672 9673 private static boolean isSystemApp(ApplicationInfo info) { 9674 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9675 } 9676 9677 private static boolean isSystemApp(PackageSetting ps) { 9678 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9679 } 9680 9681 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9682 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9683 } 9684 9685 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9686 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9687 } 9688 9689 private int packageFlagsToInstallFlags(PackageSetting ps) { 9690 int installFlags = 0; 9691 if (isExternal(ps)) { 9692 installFlags |= PackageManager.INSTALL_EXTERNAL; 9693 } 9694 if (isForwardLocked(ps)) { 9695 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9696 } 9697 return installFlags; 9698 } 9699 9700 private void deleteTempPackageFiles() { 9701 final FilenameFilter filter = new FilenameFilter() { 9702 public boolean accept(File dir, String name) { 9703 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9704 } 9705 }; 9706 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9707 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9708 } 9709 9710 private static final void deleteTempPackageFilesInDirectory(File directory, 9711 FilenameFilter filter) { 9712 final String[] tmpFilesList = directory.list(filter); 9713 if (tmpFilesList == null) { 9714 return; 9715 } 9716 for (int i = 0; i < tmpFilesList.length; i++) { 9717 final File tmpFile = new File(directory, tmpFilesList[i]); 9718 tmpFile.delete(); 9719 } 9720 } 9721 9722 private File createTempPackageFile(File installDir) { 9723 File tmpPackageFile; 9724 try { 9725 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9726 } catch (IOException e) { 9727 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9728 return null; 9729 } 9730 try { 9731 FileUtils.setPermissions( 9732 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9733 -1, -1); 9734 if (!SELinux.restorecon(tmpPackageFile)) { 9735 return null; 9736 } 9737 } catch (IOException e) { 9738 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9739 return null; 9740 } 9741 return tmpPackageFile; 9742 } 9743 9744 @Override 9745 public void deletePackageAsUser(final String packageName, 9746 final IPackageDeleteObserver observer, 9747 final int userId, final int flags) { 9748 mContext.enforceCallingOrSelfPermission( 9749 android.Manifest.permission.DELETE_PACKAGES, null); 9750 final int uid = Binder.getCallingUid(); 9751 if (UserHandle.getUserId(uid) != userId) { 9752 mContext.enforceCallingPermission( 9753 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9754 "deletePackage for user " + userId); 9755 } 9756 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9757 try { 9758 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9759 } catch (RemoteException re) { 9760 } 9761 return; 9762 } 9763 9764 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9765 // Queue up an async operation since the package deletion may take a little while. 9766 mHandler.post(new Runnable() { 9767 public void run() { 9768 mHandler.removeCallbacks(this); 9769 final int returnCode = deletePackageX(packageName, userId, flags); 9770 if (observer != null) { 9771 try { 9772 observer.packageDeleted(packageName, returnCode); 9773 } catch (RemoteException e) { 9774 Log.i(TAG, "Observer no longer exists."); 9775 } //end catch 9776 } //end if 9777 } //end run 9778 }); 9779 } 9780 9781 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9782 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9783 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9784 try { 9785 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9786 || dpm.isDeviceOwner(packageName))) { 9787 return true; 9788 } 9789 } catch (RemoteException e) { 9790 } 9791 return false; 9792 } 9793 9794 /** 9795 * This method is an internal method that could be get invoked either 9796 * to delete an installed package or to clean up a failed installation. 9797 * After deleting an installed package, a broadcast is sent to notify any 9798 * listeners that the package has been installed. For cleaning up a failed 9799 * installation, the broadcast is not necessary since the package's 9800 * installation wouldn't have sent the initial broadcast either 9801 * The key steps in deleting a package are 9802 * deleting the package information in internal structures like mPackages, 9803 * deleting the packages base directories through installd 9804 * updating mSettings to reflect current status 9805 * persisting settings for later use 9806 * sending a broadcast if necessary 9807 */ 9808 private int deletePackageX(String packageName, int userId, int flags) { 9809 final PackageRemovedInfo info = new PackageRemovedInfo(); 9810 final boolean res; 9811 9812 if (isPackageDeviceAdmin(packageName, userId)) { 9813 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9814 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9815 } 9816 9817 boolean removedForAllUsers = false; 9818 boolean systemUpdate = false; 9819 9820 // for the uninstall-updates case and restricted profiles, remember the per- 9821 // userhandle installed state 9822 int[] allUsers; 9823 boolean[] perUserInstalled; 9824 synchronized (mPackages) { 9825 PackageSetting ps = mSettings.mPackages.get(packageName); 9826 allUsers = sUserManager.getUserIds(); 9827 perUserInstalled = new boolean[allUsers.length]; 9828 for (int i = 0; i < allUsers.length; i++) { 9829 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9830 } 9831 } 9832 9833 synchronized (mInstallLock) { 9834 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9835 res = deletePackageLI(packageName, 9836 (flags & PackageManager.DELETE_ALL_USERS) != 0 9837 ? UserHandle.ALL : new UserHandle(userId), 9838 true, allUsers, perUserInstalled, 9839 flags | REMOVE_CHATTY, info, true); 9840 systemUpdate = info.isRemovedPackageSystemUpdate; 9841 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9842 removedForAllUsers = true; 9843 } 9844 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9845 + " removedForAllUsers=" + removedForAllUsers); 9846 } 9847 9848 if (res) { 9849 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 9850 9851 // If the removed package was a system update, the old system package 9852 // was re-enabled; we need to broadcast this information 9853 if (systemUpdate) { 9854 Bundle extras = new Bundle(1); 9855 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 9856 ? info.removedAppId : info.uid); 9857 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9858 9859 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 9860 extras, null, null, null); 9861 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 9862 extras, null, null, null); 9863 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 9864 null, packageName, null, null); 9865 } 9866 } 9867 // Force a gc here. 9868 Runtime.getRuntime().gc(); 9869 // Delete the resources here after sending the broadcast to let 9870 // other processes clean up before deleting resources. 9871 if (info.args != null) { 9872 synchronized (mInstallLock) { 9873 info.args.doPostDeleteLI(true); 9874 } 9875 } 9876 9877 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 9878 } 9879 9880 static class PackageRemovedInfo { 9881 String removedPackage; 9882 int uid = -1; 9883 int removedAppId = -1; 9884 int[] removedUsers = null; 9885 boolean isRemovedPackageSystemUpdate = false; 9886 // Clean up resources deleted packages. 9887 InstallArgs args = null; 9888 9889 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 9890 Bundle extras = new Bundle(1); 9891 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 9892 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 9893 if (replacing) { 9894 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9895 } 9896 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 9897 if (removedPackage != null) { 9898 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 9899 extras, null, null, removedUsers); 9900 if (fullRemove && !replacing) { 9901 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 9902 extras, null, null, removedUsers); 9903 } 9904 } 9905 if (removedAppId >= 0) { 9906 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 9907 removedUsers); 9908 } 9909 } 9910 } 9911 9912 /* 9913 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 9914 * flag is not set, the data directory is removed as well. 9915 * make sure this flag is set for partially installed apps. If not its meaningless to 9916 * delete a partially installed application. 9917 */ 9918 private void removePackageDataLI(PackageSetting ps, 9919 int[] allUserHandles, boolean[] perUserInstalled, 9920 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 9921 String packageName = ps.name; 9922 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 9923 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 9924 // Retrieve object to delete permissions for shared user later on 9925 final PackageSetting deletedPs; 9926 // reader 9927 synchronized (mPackages) { 9928 deletedPs = mSettings.mPackages.get(packageName); 9929 if (outInfo != null) { 9930 outInfo.removedPackage = packageName; 9931 outInfo.removedUsers = deletedPs != null 9932 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 9933 : null; 9934 } 9935 } 9936 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9937 removeDataDirsLI(packageName); 9938 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 9939 } 9940 // writer 9941 synchronized (mPackages) { 9942 if (deletedPs != null) { 9943 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9944 if (outInfo != null) { 9945 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 9946 } 9947 if (deletedPs != null) { 9948 updatePermissionsLPw(deletedPs.name, null, 0); 9949 if (deletedPs.sharedUser != null) { 9950 // remove permissions associated with package 9951 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 9952 } 9953 } 9954 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 9955 } 9956 // make sure to preserve per-user disabled state if this removal was just 9957 // a downgrade of a system app to the factory package 9958 if (allUserHandles != null && perUserInstalled != null) { 9959 if (DEBUG_REMOVE) { 9960 Slog.d(TAG, "Propagating install state across downgrade"); 9961 } 9962 for (int i = 0; i < allUserHandles.length; i++) { 9963 if (DEBUG_REMOVE) { 9964 Slog.d(TAG, " user " + allUserHandles[i] 9965 + " => " + perUserInstalled[i]); 9966 } 9967 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9968 } 9969 } 9970 } 9971 // can downgrade to reader 9972 if (writeSettings) { 9973 // Save settings now 9974 mSettings.writeLPr(); 9975 } 9976 } 9977 if (outInfo != null) { 9978 // A user ID was deleted here. Go through all users and remove it 9979 // from KeyStore. 9980 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 9981 } 9982 } 9983 9984 static boolean locationIsPrivileged(File path) { 9985 try { 9986 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 9987 .getCanonicalPath(); 9988 return path.getCanonicalPath().startsWith(privilegedAppDir); 9989 } catch (IOException e) { 9990 Slog.e(TAG, "Unable to access code path " + path); 9991 } 9992 return false; 9993 } 9994 9995 /* 9996 * Tries to delete system package. 9997 */ 9998 private boolean deleteSystemPackageLI(PackageSetting newPs, 9999 int[] allUserHandles, boolean[] perUserInstalled, 10000 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10001 final boolean applyUserRestrictions 10002 = (allUserHandles != null) && (perUserInstalled != null); 10003 PackageSetting disabledPs = null; 10004 // Confirm if the system package has been updated 10005 // An updated system app can be deleted. This will also have to restore 10006 // the system pkg from system partition 10007 // reader 10008 synchronized (mPackages) { 10009 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10010 } 10011 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10012 + " disabledPs=" + disabledPs); 10013 if (disabledPs == null) { 10014 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10015 return false; 10016 } else if (DEBUG_REMOVE) { 10017 Slog.d(TAG, "Deleting system pkg from data partition"); 10018 } 10019 if (DEBUG_REMOVE) { 10020 if (applyUserRestrictions) { 10021 Slog.d(TAG, "Remembering install states:"); 10022 for (int i = 0; i < allUserHandles.length; i++) { 10023 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10024 } 10025 } 10026 } 10027 // Delete the updated package 10028 outInfo.isRemovedPackageSystemUpdate = true; 10029 if (disabledPs.versionCode < newPs.versionCode) { 10030 // Delete data for downgrades 10031 flags &= ~PackageManager.DELETE_KEEP_DATA; 10032 } else { 10033 // Preserve data by setting flag 10034 flags |= PackageManager.DELETE_KEEP_DATA; 10035 } 10036 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10037 allUserHandles, perUserInstalled, outInfo, writeSettings); 10038 if (!ret) { 10039 return false; 10040 } 10041 // writer 10042 synchronized (mPackages) { 10043 // Reinstate the old system package 10044 mSettings.enableSystemPackageLPw(newPs.name); 10045 // Remove any native libraries from the upgraded package. 10046 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10047 } 10048 // Install the system package 10049 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10050 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10051 if (locationIsPrivileged(disabledPs.codePath)) { 10052 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10053 } 10054 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10055 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 10056 10057 if (newPkg == null) { 10058 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10059 + " with error:" + mLastScanError); 10060 return false; 10061 } 10062 // writer 10063 synchronized (mPackages) { 10064 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10065 setInternalAppNativeLibraryPath(newPkg, ps); 10066 updatePermissionsLPw(newPkg.packageName, newPkg, 10067 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10068 if (applyUserRestrictions) { 10069 if (DEBUG_REMOVE) { 10070 Slog.d(TAG, "Propagating install state across reinstall"); 10071 } 10072 for (int i = 0; i < allUserHandles.length; i++) { 10073 if (DEBUG_REMOVE) { 10074 Slog.d(TAG, " user " + allUserHandles[i] 10075 + " => " + perUserInstalled[i]); 10076 } 10077 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10078 } 10079 // Regardless of writeSettings we need to ensure that this restriction 10080 // state propagation is persisted 10081 mSettings.writeAllUsersPackageRestrictionsLPr(); 10082 } 10083 // can downgrade to reader here 10084 if (writeSettings) { 10085 mSettings.writeLPr(); 10086 } 10087 } 10088 return true; 10089 } 10090 10091 private boolean deleteInstalledPackageLI(PackageSetting ps, 10092 boolean deleteCodeAndResources, int flags, 10093 int[] allUserHandles, boolean[] perUserInstalled, 10094 PackageRemovedInfo outInfo, boolean writeSettings) { 10095 if (outInfo != null) { 10096 outInfo.uid = ps.appId; 10097 } 10098 10099 // Delete package data from internal structures and also remove data if flag is set 10100 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10101 10102 // Delete application code and resources 10103 if (deleteCodeAndResources && (outInfo != null)) { 10104 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10105 ps.resourcePathString, ps.nativeLibraryPathString); 10106 } 10107 return true; 10108 } 10109 10110 /* 10111 * This method handles package deletion in general 10112 */ 10113 private boolean deletePackageLI(String packageName, UserHandle user, 10114 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10115 int flags, PackageRemovedInfo outInfo, 10116 boolean writeSettings) { 10117 if (packageName == null) { 10118 Slog.w(TAG, "Attempt to delete null packageName."); 10119 return false; 10120 } 10121 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10122 PackageSetting ps; 10123 boolean dataOnly = false; 10124 int removeUser = -1; 10125 int appId = -1; 10126 synchronized (mPackages) { 10127 ps = mSettings.mPackages.get(packageName); 10128 if (ps == null) { 10129 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10130 return false; 10131 } 10132 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10133 && user.getIdentifier() != UserHandle.USER_ALL) { 10134 // The caller is asking that the package only be deleted for a single 10135 // user. To do this, we just mark its uninstalled state and delete 10136 // its data. If this is a system app, we only allow this to happen if 10137 // they have set the special DELETE_SYSTEM_APP which requests different 10138 // semantics than normal for uninstalling system apps. 10139 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10140 ps.setUserState(user.getIdentifier(), 10141 COMPONENT_ENABLED_STATE_DEFAULT, 10142 false, //installed 10143 true, //stopped 10144 true, //notLaunched 10145 false, //blocked 10146 null, null, null); 10147 if (!isSystemApp(ps)) { 10148 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10149 // Other user still have this package installed, so all 10150 // we need to do is clear this user's data and save that 10151 // it is uninstalled. 10152 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10153 removeUser = user.getIdentifier(); 10154 appId = ps.appId; 10155 mSettings.writePackageRestrictionsLPr(removeUser); 10156 } else { 10157 // We need to set it back to 'installed' so the uninstall 10158 // broadcasts will be sent correctly. 10159 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10160 ps.setInstalled(true, user.getIdentifier()); 10161 } 10162 } else { 10163 // This is a system app, so we assume that the 10164 // other users still have this package installed, so all 10165 // we need to do is clear this user's data and save that 10166 // it is uninstalled. 10167 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10168 removeUser = user.getIdentifier(); 10169 appId = ps.appId; 10170 mSettings.writePackageRestrictionsLPr(removeUser); 10171 } 10172 } 10173 } 10174 10175 if (removeUser >= 0) { 10176 // From above, we determined that we are deleting this only 10177 // for a single user. Continue the work here. 10178 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10179 if (outInfo != null) { 10180 outInfo.removedPackage = packageName; 10181 outInfo.removedAppId = appId; 10182 outInfo.removedUsers = new int[] {removeUser}; 10183 } 10184 mInstaller.clearUserData(packageName, removeUser); 10185 removeKeystoreDataIfNeeded(removeUser, appId); 10186 schedulePackageCleaning(packageName, removeUser, false); 10187 return true; 10188 } 10189 10190 if (dataOnly) { 10191 // Delete application data first 10192 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10193 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10194 return true; 10195 } 10196 10197 boolean ret = false; 10198 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10199 if (isSystemApp(ps)) { 10200 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10201 // When an updated system application is deleted we delete the existing resources as well and 10202 // fall back to existing code in system partition 10203 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10204 flags, outInfo, writeSettings); 10205 } else { 10206 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10207 // Kill application pre-emptively especially for apps on sd. 10208 killApplication(packageName, ps.appId, "uninstall pkg"); 10209 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10210 allUserHandles, perUserInstalled, 10211 outInfo, writeSettings); 10212 } 10213 10214 return ret; 10215 } 10216 10217 private final class ClearStorageConnection implements ServiceConnection { 10218 IMediaContainerService mContainerService; 10219 10220 @Override 10221 public void onServiceConnected(ComponentName name, IBinder service) { 10222 synchronized (this) { 10223 mContainerService = IMediaContainerService.Stub.asInterface(service); 10224 notifyAll(); 10225 } 10226 } 10227 10228 @Override 10229 public void onServiceDisconnected(ComponentName name) { 10230 } 10231 } 10232 10233 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10234 final boolean mounted; 10235 if (Environment.isExternalStorageEmulated()) { 10236 mounted = true; 10237 } else { 10238 final String status = Environment.getExternalStorageState(); 10239 10240 mounted = status.equals(Environment.MEDIA_MOUNTED) 10241 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10242 } 10243 10244 if (!mounted) { 10245 return; 10246 } 10247 10248 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10249 int[] users; 10250 if (userId == UserHandle.USER_ALL) { 10251 users = sUserManager.getUserIds(); 10252 } else { 10253 users = new int[] { userId }; 10254 } 10255 final ClearStorageConnection conn = new ClearStorageConnection(); 10256 if (mContext.bindServiceAsUser( 10257 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10258 try { 10259 for (int curUser : users) { 10260 long timeout = SystemClock.uptimeMillis() + 5000; 10261 synchronized (conn) { 10262 long now = SystemClock.uptimeMillis(); 10263 while (conn.mContainerService == null && now < timeout) { 10264 try { 10265 conn.wait(timeout - now); 10266 } catch (InterruptedException e) { 10267 } 10268 } 10269 } 10270 if (conn.mContainerService == null) { 10271 return; 10272 } 10273 10274 final UserEnvironment userEnv = new UserEnvironment(curUser); 10275 clearDirectory(conn.mContainerService, 10276 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10277 if (allData) { 10278 clearDirectory(conn.mContainerService, 10279 userEnv.buildExternalStorageAppDataDirs(packageName)); 10280 clearDirectory(conn.mContainerService, 10281 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10282 } 10283 } 10284 } finally { 10285 mContext.unbindService(conn); 10286 } 10287 } 10288 } 10289 10290 @Override 10291 public void clearApplicationUserData(final String packageName, 10292 final IPackageDataObserver observer, final int userId) { 10293 mContext.enforceCallingOrSelfPermission( 10294 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10295 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10296 // Queue up an async operation since the package deletion may take a little while. 10297 mHandler.post(new Runnable() { 10298 public void run() { 10299 mHandler.removeCallbacks(this); 10300 final boolean succeeded; 10301 synchronized (mInstallLock) { 10302 succeeded = clearApplicationUserDataLI(packageName, userId); 10303 } 10304 clearExternalStorageDataSync(packageName, userId, true); 10305 if (succeeded) { 10306 // invoke DeviceStorageMonitor's update method to clear any notifications 10307 DeviceStorageMonitorInternal 10308 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10309 if (dsm != null) { 10310 dsm.checkMemory(); 10311 } 10312 } 10313 if(observer != null) { 10314 try { 10315 observer.onRemoveCompleted(packageName, succeeded); 10316 } catch (RemoteException e) { 10317 Log.i(TAG, "Observer no longer exists."); 10318 } 10319 } //end if observer 10320 } //end run 10321 }); 10322 } 10323 10324 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10325 if (packageName == null) { 10326 Slog.w(TAG, "Attempt to delete null packageName."); 10327 return false; 10328 } 10329 PackageParser.Package p; 10330 boolean dataOnly = false; 10331 final int appId; 10332 synchronized (mPackages) { 10333 p = mPackages.get(packageName); 10334 if (p == null) { 10335 dataOnly = true; 10336 PackageSetting ps = mSettings.mPackages.get(packageName); 10337 if ((ps == null) || (ps.pkg == null)) { 10338 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10339 return false; 10340 } 10341 p = ps.pkg; 10342 } 10343 if (!dataOnly) { 10344 // need to check this only for fully installed applications 10345 if (p == null) { 10346 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10347 return false; 10348 } 10349 final ApplicationInfo applicationInfo = p.applicationInfo; 10350 if (applicationInfo == null) { 10351 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10352 return false; 10353 } 10354 } 10355 if (p != null && p.applicationInfo != null) { 10356 appId = p.applicationInfo.uid; 10357 } else { 10358 appId = -1; 10359 } 10360 } 10361 int retCode = mInstaller.clearUserData(packageName, userId); 10362 if (retCode < 0) { 10363 Slog.w(TAG, "Couldn't remove cache files for package: " 10364 + packageName); 10365 return false; 10366 } 10367 removeKeystoreDataIfNeeded(userId, appId); 10368 return true; 10369 } 10370 10371 /** 10372 * Remove entries from the keystore daemon. Will only remove it if the 10373 * {@code appId} is valid. 10374 */ 10375 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10376 if (appId < 0) { 10377 return; 10378 } 10379 10380 final KeyStore keyStore = KeyStore.getInstance(); 10381 if (keyStore != null) { 10382 if (userId == UserHandle.USER_ALL) { 10383 for (final int individual : sUserManager.getUserIds()) { 10384 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10385 } 10386 } else { 10387 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10388 } 10389 } else { 10390 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10391 } 10392 } 10393 10394 public void deleteApplicationCacheFiles(final String packageName, 10395 final IPackageDataObserver observer) { 10396 mContext.enforceCallingOrSelfPermission( 10397 android.Manifest.permission.DELETE_CACHE_FILES, null); 10398 // Queue up an async operation since the package deletion may take a little while. 10399 final int userId = UserHandle.getCallingUserId(); 10400 mHandler.post(new Runnable() { 10401 public void run() { 10402 mHandler.removeCallbacks(this); 10403 final boolean succeded; 10404 synchronized (mInstallLock) { 10405 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10406 } 10407 clearExternalStorageDataSync(packageName, userId, false); 10408 if(observer != null) { 10409 try { 10410 observer.onRemoveCompleted(packageName, succeded); 10411 } catch (RemoteException e) { 10412 Log.i(TAG, "Observer no longer exists."); 10413 } 10414 } //end if observer 10415 } //end run 10416 }); 10417 } 10418 10419 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10420 if (packageName == null) { 10421 Slog.w(TAG, "Attempt to delete null packageName."); 10422 return false; 10423 } 10424 PackageParser.Package p; 10425 synchronized (mPackages) { 10426 p = mPackages.get(packageName); 10427 } 10428 if (p == null) { 10429 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10430 return false; 10431 } 10432 final ApplicationInfo applicationInfo = p.applicationInfo; 10433 if (applicationInfo == null) { 10434 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10435 return false; 10436 } 10437 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10438 if (retCode < 0) { 10439 Slog.w(TAG, "Couldn't remove cache files for package: " 10440 + packageName + " u" + userId); 10441 return false; 10442 } 10443 return true; 10444 } 10445 10446 public void getPackageSizeInfo(final String packageName, int userHandle, 10447 final IPackageStatsObserver observer) { 10448 mContext.enforceCallingOrSelfPermission( 10449 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10450 if (packageName == null) { 10451 throw new IllegalArgumentException("Attempt to get size of null packageName"); 10452 } 10453 10454 PackageStats stats = new PackageStats(packageName, userHandle); 10455 10456 /* 10457 * Queue up an async operation since the package measurement may take a 10458 * little while. 10459 */ 10460 Message msg = mHandler.obtainMessage(INIT_COPY); 10461 msg.obj = new MeasureParams(stats, observer); 10462 mHandler.sendMessage(msg); 10463 } 10464 10465 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10466 PackageStats pStats) { 10467 if (packageName == null) { 10468 Slog.w(TAG, "Attempt to get size of null packageName."); 10469 return false; 10470 } 10471 PackageParser.Package p; 10472 boolean dataOnly = false; 10473 String libDirPath = null; 10474 String asecPath = null; 10475 synchronized (mPackages) { 10476 p = mPackages.get(packageName); 10477 PackageSetting ps = mSettings.mPackages.get(packageName); 10478 if(p == null) { 10479 dataOnly = true; 10480 if((ps == null) || (ps.pkg == null)) { 10481 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10482 return false; 10483 } 10484 p = ps.pkg; 10485 } 10486 if (ps != null) { 10487 libDirPath = ps.nativeLibraryPathString; 10488 } 10489 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10490 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10491 if (secureContainerId != null) { 10492 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10493 } 10494 } 10495 } 10496 String publicSrcDir = null; 10497 if(!dataOnly) { 10498 final ApplicationInfo applicationInfo = p.applicationInfo; 10499 if (applicationInfo == null) { 10500 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10501 return false; 10502 } 10503 if (isForwardLocked(p)) { 10504 publicSrcDir = applicationInfo.publicSourceDir; 10505 } 10506 } 10507 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10508 publicSrcDir, asecPath, pStats); 10509 if (res < 0) { 10510 return false; 10511 } 10512 10513 // Fix-up for forward-locked applications in ASEC containers. 10514 if (!isExternal(p)) { 10515 pStats.codeSize += pStats.externalCodeSize; 10516 pStats.externalCodeSize = 0L; 10517 } 10518 10519 return true; 10520 } 10521 10522 10523 public void addPackageToPreferred(String packageName) { 10524 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10525 } 10526 10527 public void removePackageFromPreferred(String packageName) { 10528 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10529 } 10530 10531 public List<PackageInfo> getPreferredPackages(int flags) { 10532 return new ArrayList<PackageInfo>(); 10533 } 10534 10535 private int getUidTargetSdkVersionLockedLPr(int uid) { 10536 Object obj = mSettings.getUserIdLPr(uid); 10537 if (obj instanceof SharedUserSetting) { 10538 final SharedUserSetting sus = (SharedUserSetting) obj; 10539 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10540 final Iterator<PackageSetting> it = sus.packages.iterator(); 10541 while (it.hasNext()) { 10542 final PackageSetting ps = it.next(); 10543 if (ps.pkg != null) { 10544 int v = ps.pkg.applicationInfo.targetSdkVersion; 10545 if (v < vers) vers = v; 10546 } 10547 } 10548 return vers; 10549 } else if (obj instanceof PackageSetting) { 10550 final PackageSetting ps = (PackageSetting) obj; 10551 if (ps.pkg != null) { 10552 return ps.pkg.applicationInfo.targetSdkVersion; 10553 } 10554 } 10555 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10556 } 10557 10558 public void addPreferredActivity(IntentFilter filter, int match, 10559 ComponentName[] set, ComponentName activity, int userId) { 10560 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10561 } 10562 10563 private void addPreferredActivityInternal(IntentFilter filter, int match, 10564 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10565 // writer 10566 int callingUid = Binder.getCallingUid(); 10567 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10568 if (filter.countActions() == 0) { 10569 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10570 return; 10571 } 10572 synchronized (mPackages) { 10573 if (mContext.checkCallingOrSelfPermission( 10574 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10575 != PackageManager.PERMISSION_GRANTED) { 10576 if (getUidTargetSdkVersionLockedLPr(callingUid) 10577 < Build.VERSION_CODES.FROYO) { 10578 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10579 + callingUid); 10580 return; 10581 } 10582 mContext.enforceCallingOrSelfPermission( 10583 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10584 } 10585 10586 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10587 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10588 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10589 new PreferredActivity(filter, match, set, activity, always)); 10590 mSettings.writePackageRestrictionsLPr(userId); 10591 } 10592 } 10593 10594 public void replacePreferredActivity(IntentFilter filter, int match, 10595 ComponentName[] set, ComponentName activity) { 10596 if (filter.countActions() != 1) { 10597 throw new IllegalArgumentException( 10598 "replacePreferredActivity expects filter to have only 1 action."); 10599 } 10600 if (filter.countDataAuthorities() != 0 10601 || filter.countDataPaths() != 0 10602 || filter.countDataSchemes() > 1 10603 || filter.countDataTypes() != 0) { 10604 throw new IllegalArgumentException( 10605 "replacePreferredActivity expects filter to have no data authorities, " + 10606 "paths, or types; and at most one scheme."); 10607 } 10608 synchronized (mPackages) { 10609 if (mContext.checkCallingOrSelfPermission( 10610 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10611 != PackageManager.PERMISSION_GRANTED) { 10612 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10613 < Build.VERSION_CODES.FROYO) { 10614 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10615 + Binder.getCallingUid()); 10616 return; 10617 } 10618 mContext.enforceCallingOrSelfPermission( 10619 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10620 } 10621 10622 final int callingUserId = UserHandle.getCallingUserId(); 10623 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10624 if (pir != null) { 10625 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10626 if (filter.countDataSchemes() == 1) { 10627 Uri.Builder builder = new Uri.Builder(); 10628 builder.scheme(filter.getDataScheme(0)); 10629 intent.setData(builder.build()); 10630 } 10631 List<PreferredActivity> matches = pir.queryIntent( 10632 intent, null, true, callingUserId); 10633 if (DEBUG_PREFERRED) { 10634 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10635 } 10636 for (int i = 0; i < matches.size(); i++) { 10637 PreferredActivity pa = matches.get(i); 10638 if (DEBUG_PREFERRED) { 10639 Slog.i(TAG, "Removing preferred activity " 10640 + pa.mPref.mComponent + ":"); 10641 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10642 } 10643 pir.removeFilter(pa); 10644 } 10645 } 10646 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10647 } 10648 } 10649 10650 public void clearPackagePreferredActivities(String packageName) { 10651 final int uid = Binder.getCallingUid(); 10652 // writer 10653 synchronized (mPackages) { 10654 PackageParser.Package pkg = mPackages.get(packageName); 10655 if (pkg == null || pkg.applicationInfo.uid != uid) { 10656 if (mContext.checkCallingOrSelfPermission( 10657 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10658 != PackageManager.PERMISSION_GRANTED) { 10659 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10660 < Build.VERSION_CODES.FROYO) { 10661 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10662 + Binder.getCallingUid()); 10663 return; 10664 } 10665 mContext.enforceCallingOrSelfPermission( 10666 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10667 } 10668 } 10669 10670 int user = UserHandle.getCallingUserId(); 10671 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10672 mSettings.writePackageRestrictionsLPr(user); 10673 scheduleWriteSettingsLocked(); 10674 } 10675 } 10676 } 10677 10678 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10679 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10680 ArrayList<PreferredActivity> removed = null; 10681 boolean changed = false; 10682 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10683 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10684 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10685 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10686 continue; 10687 } 10688 Iterator<PreferredActivity> it = pir.filterIterator(); 10689 while (it.hasNext()) { 10690 PreferredActivity pa = it.next(); 10691 // Mark entry for removal only if it matches the package name 10692 // and the entry is of type "always". 10693 if (packageName == null || 10694 (pa.mPref.mComponent.getPackageName().equals(packageName) 10695 && pa.mPref.mAlways)) { 10696 if (removed == null) { 10697 removed = new ArrayList<PreferredActivity>(); 10698 } 10699 removed.add(pa); 10700 } 10701 } 10702 if (removed != null) { 10703 for (int j=0; j<removed.size(); j++) { 10704 PreferredActivity pa = removed.get(j); 10705 pir.removeFilter(pa); 10706 } 10707 changed = true; 10708 } 10709 } 10710 return changed; 10711 } 10712 10713 public void resetPreferredActivities(int userId) { 10714 mContext.enforceCallingOrSelfPermission( 10715 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10716 // writer 10717 synchronized (mPackages) { 10718 int user = UserHandle.getCallingUserId(); 10719 clearPackagePreferredActivitiesLPw(null, user); 10720 mSettings.readDefaultPreferredAppsLPw(this, user); 10721 mSettings.writePackageRestrictionsLPr(user); 10722 scheduleWriteSettingsLocked(); 10723 } 10724 } 10725 10726 public int getPreferredActivities(List<IntentFilter> outFilters, 10727 List<ComponentName> outActivities, String packageName) { 10728 10729 int num = 0; 10730 final int userId = UserHandle.getCallingUserId(); 10731 // reader 10732 synchronized (mPackages) { 10733 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10734 if (pir != null) { 10735 final Iterator<PreferredActivity> it = pir.filterIterator(); 10736 while (it.hasNext()) { 10737 final PreferredActivity pa = it.next(); 10738 if (packageName == null 10739 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10740 && pa.mPref.mAlways)) { 10741 if (outFilters != null) { 10742 outFilters.add(new IntentFilter(pa)); 10743 } 10744 if (outActivities != null) { 10745 outActivities.add(pa.mPref.mComponent); 10746 } 10747 } 10748 } 10749 } 10750 } 10751 10752 return num; 10753 } 10754 10755 @Override 10756 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 10757 int userId) { 10758 int callingUid = Binder.getCallingUid(); 10759 if (callingUid != Process.SYSTEM_UID) { 10760 throw new SecurityException( 10761 "addPersistentPreferredActivity can only be run by the system"); 10762 } 10763 if (filter.countActions() == 0) { 10764 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10765 return; 10766 } 10767 synchronized (mPackages) { 10768 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 10769 " :"); 10770 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10771 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 10772 new PersistentPreferredActivity(filter, activity)); 10773 mSettings.writePackageRestrictionsLPr(userId); 10774 } 10775 } 10776 10777 @Override 10778 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 10779 int callingUid = Binder.getCallingUid(); 10780 if (callingUid != Process.SYSTEM_UID) { 10781 throw new SecurityException( 10782 "clearPackagePersistentPreferredActivities can only be run by the system"); 10783 } 10784 ArrayList<PersistentPreferredActivity> removed = null; 10785 boolean changed = false; 10786 synchronized (mPackages) { 10787 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 10788 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 10789 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 10790 .valueAt(i); 10791 if (userId != thisUserId) { 10792 continue; 10793 } 10794 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 10795 while (it.hasNext()) { 10796 PersistentPreferredActivity ppa = it.next(); 10797 // Mark entry for removal only if it matches the package name. 10798 if (ppa.mComponent.getPackageName().equals(packageName)) { 10799 if (removed == null) { 10800 removed = new ArrayList<PersistentPreferredActivity>(); 10801 } 10802 removed.add(ppa); 10803 } 10804 } 10805 if (removed != null) { 10806 for (int j=0; j<removed.size(); j++) { 10807 PersistentPreferredActivity ppa = removed.get(j); 10808 ppir.removeFilter(ppa); 10809 } 10810 changed = true; 10811 } 10812 } 10813 10814 if (changed) { 10815 mSettings.writePackageRestrictionsLPr(userId); 10816 } 10817 } 10818 } 10819 10820 @Override 10821 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10822 Intent intent = new Intent(Intent.ACTION_MAIN); 10823 intent.addCategory(Intent.CATEGORY_HOME); 10824 10825 final int callingUserId = UserHandle.getCallingUserId(); 10826 List<ResolveInfo> list = queryIntentActivities(intent, null, 10827 PackageManager.GET_META_DATA, callingUserId); 10828 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10829 true, false, false, callingUserId); 10830 10831 allHomeCandidates.clear(); 10832 if (list != null) { 10833 for (ResolveInfo ri : list) { 10834 allHomeCandidates.add(ri); 10835 } 10836 } 10837 return (preferred == null || preferred.activityInfo == null) 10838 ? null 10839 : new ComponentName(preferred.activityInfo.packageName, 10840 preferred.activityInfo.name); 10841 } 10842 10843 @Override 10844 public void setApplicationEnabledSetting(String appPackageName, 10845 int newState, int flags, int userId, String callingPackage) { 10846 if (!sUserManager.exists(userId)) return; 10847 if (callingPackage == null) { 10848 callingPackage = Integer.toString(Binder.getCallingUid()); 10849 } 10850 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10851 } 10852 10853 @Override 10854 public void setComponentEnabledSetting(ComponentName componentName, 10855 int newState, int flags, int userId) { 10856 if (!sUserManager.exists(userId)) return; 10857 setEnabledSetting(componentName.getPackageName(), 10858 componentName.getClassName(), newState, flags, userId, null); 10859 } 10860 10861 private void setEnabledSetting(final String packageName, String className, int newState, 10862 final int flags, int userId, String callingPackage) { 10863 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10864 || newState == COMPONENT_ENABLED_STATE_ENABLED 10865 || newState == COMPONENT_ENABLED_STATE_DISABLED 10866 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10867 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10868 throw new IllegalArgumentException("Invalid new component state: " 10869 + newState); 10870 } 10871 PackageSetting pkgSetting; 10872 final int uid = Binder.getCallingUid(); 10873 final int permission = mContext.checkCallingOrSelfPermission( 10874 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10875 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10876 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10877 boolean sendNow = false; 10878 boolean isApp = (className == null); 10879 String componentName = isApp ? packageName : className; 10880 int packageUid = -1; 10881 ArrayList<String> components; 10882 10883 // writer 10884 synchronized (mPackages) { 10885 pkgSetting = mSettings.mPackages.get(packageName); 10886 if (pkgSetting == null) { 10887 if (className == null) { 10888 throw new IllegalArgumentException( 10889 "Unknown package: " + packageName); 10890 } 10891 throw new IllegalArgumentException( 10892 "Unknown component: " + packageName 10893 + "/" + className); 10894 } 10895 // Allow root and verify that userId is not being specified by a different user 10896 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 10897 throw new SecurityException( 10898 "Permission Denial: attempt to change component state from pid=" 10899 + Binder.getCallingPid() 10900 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 10901 } 10902 if (className == null) { 10903 // We're dealing with an application/package level state change 10904 if (pkgSetting.getEnabled(userId) == newState) { 10905 // Nothing to do 10906 return; 10907 } 10908 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 10909 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 10910 // Don't care about who enables an app. 10911 callingPackage = null; 10912 } 10913 pkgSetting.setEnabled(newState, userId, callingPackage); 10914 // pkgSetting.pkg.mSetEnabled = newState; 10915 } else { 10916 // We're dealing with a component level state change 10917 // First, verify that this is a valid class name. 10918 PackageParser.Package pkg = pkgSetting.pkg; 10919 if (pkg == null || !pkg.hasComponentClassName(className)) { 10920 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 10921 throw new IllegalArgumentException("Component class " + className 10922 + " does not exist in " + packageName); 10923 } else { 10924 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 10925 + className + " does not exist in " + packageName); 10926 } 10927 } 10928 switch (newState) { 10929 case COMPONENT_ENABLED_STATE_ENABLED: 10930 if (!pkgSetting.enableComponentLPw(className, userId)) { 10931 return; 10932 } 10933 break; 10934 case COMPONENT_ENABLED_STATE_DISABLED: 10935 if (!pkgSetting.disableComponentLPw(className, userId)) { 10936 return; 10937 } 10938 break; 10939 case COMPONENT_ENABLED_STATE_DEFAULT: 10940 if (!pkgSetting.restoreComponentLPw(className, userId)) { 10941 return; 10942 } 10943 break; 10944 default: 10945 Slog.e(TAG, "Invalid new component state: " + newState); 10946 return; 10947 } 10948 } 10949 mSettings.writePackageRestrictionsLPr(userId); 10950 components = mPendingBroadcasts.get(userId, packageName); 10951 final boolean newPackage = components == null; 10952 if (newPackage) { 10953 components = new ArrayList<String>(); 10954 } 10955 if (!components.contains(componentName)) { 10956 components.add(componentName); 10957 } 10958 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 10959 sendNow = true; 10960 // Purge entry from pending broadcast list if another one exists already 10961 // since we are sending one right away. 10962 mPendingBroadcasts.remove(userId, packageName); 10963 } else { 10964 if (newPackage) { 10965 mPendingBroadcasts.put(userId, packageName, components); 10966 } 10967 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 10968 // Schedule a message 10969 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 10970 } 10971 } 10972 } 10973 10974 long callingId = Binder.clearCallingIdentity(); 10975 try { 10976 if (sendNow) { 10977 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 10978 sendPackageChangedBroadcast(packageName, 10979 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 10980 } 10981 } finally { 10982 Binder.restoreCallingIdentity(callingId); 10983 } 10984 } 10985 10986 private void sendPackageChangedBroadcast(String packageName, 10987 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 10988 if (DEBUG_INSTALL) 10989 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 10990 + componentNames); 10991 Bundle extras = new Bundle(4); 10992 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 10993 String nameList[] = new String[componentNames.size()]; 10994 componentNames.toArray(nameList); 10995 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 10996 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 10997 extras.putInt(Intent.EXTRA_UID, packageUid); 10998 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 10999 new int[] {UserHandle.getUserId(packageUid)}); 11000 } 11001 11002 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11003 if (!sUserManager.exists(userId)) return; 11004 final int uid = Binder.getCallingUid(); 11005 final int permission = mContext.checkCallingOrSelfPermission( 11006 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11007 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11008 enforceCrossUserPermission(uid, userId, true, "stop package"); 11009 // writer 11010 synchronized (mPackages) { 11011 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11012 uid, userId)) { 11013 scheduleWritePackageRestrictionsLocked(userId); 11014 } 11015 } 11016 } 11017 11018 public String getInstallerPackageName(String packageName) { 11019 // reader 11020 synchronized (mPackages) { 11021 return mSettings.getInstallerPackageNameLPr(packageName); 11022 } 11023 } 11024 11025 @Override 11026 public int getApplicationEnabledSetting(String packageName, int userId) { 11027 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11028 int uid = Binder.getCallingUid(); 11029 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11030 // reader 11031 synchronized (mPackages) { 11032 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11033 } 11034 } 11035 11036 @Override 11037 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11038 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11039 int uid = Binder.getCallingUid(); 11040 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11041 // reader 11042 synchronized (mPackages) { 11043 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11044 } 11045 } 11046 11047 public void enterSafeMode() { 11048 enforceSystemOrRoot("Only the system can request entering safe mode"); 11049 11050 if (!mSystemReady) { 11051 mSafeMode = true; 11052 } 11053 } 11054 11055 public void systemReady() { 11056 mSystemReady = true; 11057 11058 // Read the compatibilty setting when the system is ready. 11059 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11060 mContext.getContentResolver(), 11061 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11062 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11063 if (DEBUG_SETTINGS) { 11064 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11065 } 11066 11067 synchronized (mPackages) { 11068 // Verify that all of the preferred activity components actually 11069 // exist. It is possible for applications to be updated and at 11070 // that point remove a previously declared activity component that 11071 // had been set as a preferred activity. We try to clean this up 11072 // the next time we encounter that preferred activity, but it is 11073 // possible for the user flow to never be able to return to that 11074 // situation so here we do a sanity check to make sure we haven't 11075 // left any junk around. 11076 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11077 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11078 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11079 removed.clear(); 11080 for (PreferredActivity pa : pir.filterSet()) { 11081 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11082 removed.add(pa); 11083 } 11084 } 11085 if (removed.size() > 0) { 11086 for (int j=0; j<removed.size(); j++) { 11087 PreferredActivity pa = removed.get(i); 11088 Slog.w(TAG, "Removing dangling preferred activity: " 11089 + pa.mPref.mComponent); 11090 pir.removeFilter(pa); 11091 } 11092 mSettings.writePackageRestrictionsLPr( 11093 mSettings.mPreferredActivities.keyAt(i)); 11094 } 11095 } 11096 } 11097 sUserManager.systemReady(); 11098 } 11099 11100 public boolean isSafeMode() { 11101 return mSafeMode; 11102 } 11103 11104 public boolean hasSystemUidErrors() { 11105 return mHasSystemUidErrors; 11106 } 11107 11108 static String arrayToString(int[] array) { 11109 StringBuffer buf = new StringBuffer(128); 11110 buf.append('['); 11111 if (array != null) { 11112 for (int i=0; i<array.length; i++) { 11113 if (i > 0) buf.append(", "); 11114 buf.append(array[i]); 11115 } 11116 } 11117 buf.append(']'); 11118 return buf.toString(); 11119 } 11120 11121 static class DumpState { 11122 public static final int DUMP_LIBS = 1 << 0; 11123 11124 public static final int DUMP_FEATURES = 1 << 1; 11125 11126 public static final int DUMP_RESOLVERS = 1 << 2; 11127 11128 public static final int DUMP_PERMISSIONS = 1 << 3; 11129 11130 public static final int DUMP_PACKAGES = 1 << 4; 11131 11132 public static final int DUMP_SHARED_USERS = 1 << 5; 11133 11134 public static final int DUMP_MESSAGES = 1 << 6; 11135 11136 public static final int DUMP_PROVIDERS = 1 << 7; 11137 11138 public static final int DUMP_VERIFIERS = 1 << 8; 11139 11140 public static final int DUMP_PREFERRED = 1 << 9; 11141 11142 public static final int DUMP_PREFERRED_XML = 1 << 10; 11143 11144 public static final int DUMP_KEYSETS = 1 << 11; 11145 11146 public static final int DUMP_VERSION = 1 << 12; 11147 11148 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11149 11150 private int mTypes; 11151 11152 private int mOptions; 11153 11154 private boolean mTitlePrinted; 11155 11156 private SharedUserSetting mSharedUser; 11157 11158 public boolean isDumping(int type) { 11159 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11160 return true; 11161 } 11162 11163 return (mTypes & type) != 0; 11164 } 11165 11166 public void setDump(int type) { 11167 mTypes |= type; 11168 } 11169 11170 public boolean isOptionEnabled(int option) { 11171 return (mOptions & option) != 0; 11172 } 11173 11174 public void setOptionEnabled(int option) { 11175 mOptions |= option; 11176 } 11177 11178 public boolean onTitlePrinted() { 11179 final boolean printed = mTitlePrinted; 11180 mTitlePrinted = true; 11181 return printed; 11182 } 11183 11184 public boolean getTitlePrinted() { 11185 return mTitlePrinted; 11186 } 11187 11188 public void setTitlePrinted(boolean enabled) { 11189 mTitlePrinted = enabled; 11190 } 11191 11192 public SharedUserSetting getSharedUser() { 11193 return mSharedUser; 11194 } 11195 11196 public void setSharedUser(SharedUserSetting user) { 11197 mSharedUser = user; 11198 } 11199 } 11200 11201 @Override 11202 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11203 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11204 != PackageManager.PERMISSION_GRANTED) { 11205 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11206 + Binder.getCallingPid() 11207 + ", uid=" + Binder.getCallingUid() 11208 + " without permission " 11209 + android.Manifest.permission.DUMP); 11210 return; 11211 } 11212 11213 DumpState dumpState = new DumpState(); 11214 boolean fullPreferred = false; 11215 boolean checkin = false; 11216 11217 String packageName = null; 11218 11219 int opti = 0; 11220 while (opti < args.length) { 11221 String opt = args[opti]; 11222 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11223 break; 11224 } 11225 opti++; 11226 if ("-a".equals(opt)) { 11227 // Right now we only know how to print all. 11228 } else if ("-h".equals(opt)) { 11229 pw.println("Package manager dump options:"); 11230 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11231 pw.println(" --checkin: dump for a checkin"); 11232 pw.println(" -f: print details of intent filters"); 11233 pw.println(" -h: print this help"); 11234 pw.println(" cmd may be one of:"); 11235 pw.println(" l[ibraries]: list known shared libraries"); 11236 pw.println(" f[ibraries]: list device features"); 11237 pw.println(" r[esolvers]: dump intent resolvers"); 11238 pw.println(" perm[issions]: dump permissions"); 11239 pw.println(" pref[erred]: print preferred package settings"); 11240 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11241 pw.println(" prov[iders]: dump content providers"); 11242 pw.println(" p[ackages]: dump installed packages"); 11243 pw.println(" s[hared-users]: dump shared user IDs"); 11244 pw.println(" m[essages]: print collected runtime messages"); 11245 pw.println(" v[erifiers]: print package verifier info"); 11246 pw.println(" version: print database version info"); 11247 pw.println(" <package.name>: info about given package"); 11248 pw.println(" k[eysets]: print known keysets"); 11249 return; 11250 } else if ("--checkin".equals(opt)) { 11251 checkin = true; 11252 } else if ("-f".equals(opt)) { 11253 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11254 } else { 11255 pw.println("Unknown argument: " + opt + "; use -h for help"); 11256 } 11257 } 11258 11259 // Is the caller requesting to dump a particular piece of data? 11260 if (opti < args.length) { 11261 String cmd = args[opti]; 11262 opti++; 11263 // Is this a package name? 11264 if ("android".equals(cmd) || cmd.contains(".")) { 11265 packageName = cmd; 11266 // When dumping a single package, we always dump all of its 11267 // filter information since the amount of data will be reasonable. 11268 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11269 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11270 dumpState.setDump(DumpState.DUMP_LIBS); 11271 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11272 dumpState.setDump(DumpState.DUMP_FEATURES); 11273 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11274 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11275 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11276 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11277 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11278 dumpState.setDump(DumpState.DUMP_PREFERRED); 11279 } else if ("preferred-xml".equals(cmd)) { 11280 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 11281 if (opti < args.length && "--full".equals(args[opti])) { 11282 fullPreferred = true; 11283 opti++; 11284 } 11285 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 11286 dumpState.setDump(DumpState.DUMP_PACKAGES); 11287 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 11288 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 11289 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 11290 dumpState.setDump(DumpState.DUMP_PROVIDERS); 11291 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 11292 dumpState.setDump(DumpState.DUMP_MESSAGES); 11293 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 11294 dumpState.setDump(DumpState.DUMP_VERIFIERS); 11295 } else if ("version".equals(cmd)) { 11296 dumpState.setDump(DumpState.DUMP_VERSION); 11297 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 11298 dumpState.setDump(DumpState.DUMP_KEYSETS); 11299 } 11300 } 11301 11302 if (checkin) { 11303 pw.println("vers,1"); 11304 } 11305 11306 // reader 11307 synchronized (mPackages) { 11308 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 11309 if (!checkin) { 11310 if (dumpState.onTitlePrinted()) 11311 pw.println(); 11312 pw.println("Database versions:"); 11313 pw.print(" SDK Version:"); 11314 pw.print(" internal="); 11315 pw.print(mSettings.mInternalSdkPlatform); 11316 pw.print(" external="); 11317 pw.println(mSettings.mExternalSdkPlatform); 11318 pw.print(" DB Version:"); 11319 pw.print(" internal="); 11320 pw.print(mSettings.mInternalDatabaseVersion); 11321 pw.print(" external="); 11322 pw.println(mSettings.mExternalDatabaseVersion); 11323 } 11324 } 11325 11326 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 11327 if (!checkin) { 11328 if (dumpState.onTitlePrinted()) 11329 pw.println(); 11330 pw.println("Verifiers:"); 11331 pw.print(" Required: "); 11332 pw.print(mRequiredVerifierPackage); 11333 pw.print(" (uid="); 11334 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 11335 pw.println(")"); 11336 } else if (mRequiredVerifierPackage != null) { 11337 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 11338 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 11339 } 11340 } 11341 11342 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 11343 boolean printedHeader = false; 11344 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 11345 while (it.hasNext()) { 11346 String name = it.next(); 11347 SharedLibraryEntry ent = mSharedLibraries.get(name); 11348 if (!checkin) { 11349 if (!printedHeader) { 11350 if (dumpState.onTitlePrinted()) 11351 pw.println(); 11352 pw.println("Libraries:"); 11353 printedHeader = true; 11354 } 11355 pw.print(" "); 11356 } else { 11357 pw.print("lib,"); 11358 } 11359 pw.print(name); 11360 if (!checkin) { 11361 pw.print(" -> "); 11362 } 11363 if (ent.path != null) { 11364 if (!checkin) { 11365 pw.print("(jar) "); 11366 pw.print(ent.path); 11367 } else { 11368 pw.print(",jar,"); 11369 pw.print(ent.path); 11370 } 11371 } else { 11372 if (!checkin) { 11373 pw.print("(apk) "); 11374 pw.print(ent.apk); 11375 } else { 11376 pw.print(",apk,"); 11377 pw.print(ent.apk); 11378 } 11379 } 11380 pw.println(); 11381 } 11382 } 11383 11384 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11385 if (dumpState.onTitlePrinted()) 11386 pw.println(); 11387 if (!checkin) { 11388 pw.println("Features:"); 11389 } 11390 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11391 while (it.hasNext()) { 11392 String name = it.next(); 11393 if (!checkin) { 11394 pw.print(" "); 11395 } else { 11396 pw.print("feat,"); 11397 } 11398 pw.println(name); 11399 } 11400 } 11401 11402 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 11403 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 11404 : "Activity Resolver Table:", " ", packageName, 11405 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11406 dumpState.setTitlePrinted(true); 11407 } 11408 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 11409 : "Receiver Resolver Table:", " ", packageName, 11410 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11411 dumpState.setTitlePrinted(true); 11412 } 11413 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11414 : "Service Resolver Table:", " ", packageName, 11415 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11416 dumpState.setTitlePrinted(true); 11417 } 11418 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11419 : "Provider Resolver Table:", " ", packageName, 11420 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11421 dumpState.setTitlePrinted(true); 11422 } 11423 } 11424 11425 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11426 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11427 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11428 int user = mSettings.mPreferredActivities.keyAt(i); 11429 if (pir.dump(pw, 11430 dumpState.getTitlePrinted() 11431 ? "\nPreferred Activities User " + user + ":" 11432 : "Preferred Activities User " + user + ":", " ", 11433 packageName, true)) { 11434 dumpState.setTitlePrinted(true); 11435 } 11436 } 11437 } 11438 11439 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11440 pw.flush(); 11441 FileOutputStream fout = new FileOutputStream(fd); 11442 BufferedOutputStream str = new BufferedOutputStream(fout); 11443 XmlSerializer serializer = new FastXmlSerializer(); 11444 try { 11445 serializer.setOutput(str, "utf-8"); 11446 serializer.startDocument(null, true); 11447 serializer.setFeature( 11448 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11449 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11450 serializer.endDocument(); 11451 serializer.flush(); 11452 } catch (IllegalArgumentException e) { 11453 pw.println("Failed writing: " + e); 11454 } catch (IllegalStateException e) { 11455 pw.println("Failed writing: " + e); 11456 } catch (IOException e) { 11457 pw.println("Failed writing: " + e); 11458 } 11459 } 11460 11461 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11462 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11463 } 11464 11465 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11466 boolean printedSomething = false; 11467 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11468 if (packageName != null && !packageName.equals(p.info.packageName)) { 11469 continue; 11470 } 11471 if (!printedSomething) { 11472 if (dumpState.onTitlePrinted()) 11473 pw.println(); 11474 pw.println("Registered ContentProviders:"); 11475 printedSomething = true; 11476 } 11477 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11478 pw.print(" "); pw.println(p.toString()); 11479 } 11480 printedSomething = false; 11481 for (Map.Entry<String, PackageParser.Provider> entry : 11482 mProvidersByAuthority.entrySet()) { 11483 PackageParser.Provider p = entry.getValue(); 11484 if (packageName != null && !packageName.equals(p.info.packageName)) { 11485 continue; 11486 } 11487 if (!printedSomething) { 11488 if (dumpState.onTitlePrinted()) 11489 pw.println(); 11490 pw.println("ContentProvider Authorities:"); 11491 printedSomething = true; 11492 } 11493 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11494 pw.print(" "); pw.println(p.toString()); 11495 if (p.info != null && p.info.applicationInfo != null) { 11496 final String appInfo = p.info.applicationInfo.toString(); 11497 pw.print(" applicationInfo="); pw.println(appInfo); 11498 } 11499 } 11500 } 11501 11502 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11503 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11504 } 11505 11506 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11507 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11508 } 11509 11510 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11511 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11512 } 11513 11514 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11515 if (dumpState.onTitlePrinted()) 11516 pw.println(); 11517 mSettings.dumpReadMessagesLPr(pw, dumpState); 11518 11519 pw.println(); 11520 pw.println("Package warning messages:"); 11521 final File fname = getSettingsProblemFile(); 11522 FileInputStream in = null; 11523 try { 11524 in = new FileInputStream(fname); 11525 final int avail = in.available(); 11526 final byte[] data = new byte[avail]; 11527 in.read(data); 11528 pw.print(new String(data)); 11529 } catch (FileNotFoundException e) { 11530 } catch (IOException e) { 11531 } finally { 11532 if (in != null) { 11533 try { 11534 in.close(); 11535 } catch (IOException e) { 11536 } 11537 } 11538 } 11539 } 11540 } 11541 } 11542 11543 // ------- apps on sdcard specific code ------- 11544 static final boolean DEBUG_SD_INSTALL = false; 11545 11546 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11547 11548 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11549 11550 private boolean mMediaMounted = false; 11551 11552 private String getEncryptKey() { 11553 try { 11554 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11555 SD_ENCRYPTION_KEYSTORE_NAME); 11556 if (sdEncKey == null) { 11557 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11558 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11559 if (sdEncKey == null) { 11560 Slog.e(TAG, "Failed to create encryption keys"); 11561 return null; 11562 } 11563 } 11564 return sdEncKey; 11565 } catch (NoSuchAlgorithmException nsae) { 11566 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11567 return null; 11568 } catch (IOException ioe) { 11569 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11570 return null; 11571 } 11572 11573 } 11574 11575 /* package */static String getTempContainerId() { 11576 int tmpIdx = 1; 11577 String list[] = PackageHelper.getSecureContainerList(); 11578 if (list != null) { 11579 for (final String name : list) { 11580 // Ignore null and non-temporary container entries 11581 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11582 continue; 11583 } 11584 11585 String subStr = name.substring(mTempContainerPrefix.length()); 11586 try { 11587 int cid = Integer.parseInt(subStr); 11588 if (cid >= tmpIdx) { 11589 tmpIdx = cid + 1; 11590 } 11591 } catch (NumberFormatException e) { 11592 } 11593 } 11594 } 11595 return mTempContainerPrefix + tmpIdx; 11596 } 11597 11598 /* 11599 * Update media status on PackageManager. 11600 */ 11601 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11602 int callingUid = Binder.getCallingUid(); 11603 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11604 throw new SecurityException("Media status can only be updated by the system"); 11605 } 11606 // reader; this apparently protects mMediaMounted, but should probably 11607 // be a different lock in that case. 11608 synchronized (mPackages) { 11609 Log.i(TAG, "Updating external media status from " 11610 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11611 + (mediaStatus ? "mounted" : "unmounted")); 11612 if (DEBUG_SD_INSTALL) 11613 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11614 + ", mMediaMounted=" + mMediaMounted); 11615 if (mediaStatus == mMediaMounted) { 11616 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11617 : 0, -1); 11618 mHandler.sendMessage(msg); 11619 return; 11620 } 11621 mMediaMounted = mediaStatus; 11622 } 11623 // Queue up an async operation since the package installation may take a 11624 // little while. 11625 mHandler.post(new Runnable() { 11626 public void run() { 11627 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11628 } 11629 }); 11630 } 11631 11632 /** 11633 * Called by MountService when the initial ASECs to scan are available. 11634 * Should block until all the ASEC containers are finished being scanned. 11635 */ 11636 public void scanAvailableAsecs() { 11637 updateExternalMediaStatusInner(true, false, false); 11638 if (mShouldRestoreconData) { 11639 SELinuxMMAC.setRestoreconDone(); 11640 mShouldRestoreconData = false; 11641 } 11642 } 11643 11644 /* 11645 * Collect information of applications on external media, map them against 11646 * existing containers and update information based on current mount status. 11647 * Please note that we always have to report status if reportStatus has been 11648 * set to true especially when unloading packages. 11649 */ 11650 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11651 boolean externalStorage) { 11652 // Collection of uids 11653 int uidArr[] = null; 11654 // Collection of stale containers 11655 HashSet<String> removeCids = new HashSet<String>(); 11656 // Collection of packages on external media with valid containers. 11657 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11658 // Get list of secure containers. 11659 final String list[] = PackageHelper.getSecureContainerList(); 11660 if (list == null || list.length == 0) { 11661 Log.i(TAG, "No secure containers on sdcard"); 11662 } else { 11663 // Process list of secure containers and categorize them 11664 // as active or stale based on their package internal state. 11665 int uidList[] = new int[list.length]; 11666 int num = 0; 11667 // reader 11668 synchronized (mPackages) { 11669 for (String cid : list) { 11670 if (DEBUG_SD_INSTALL) 11671 Log.i(TAG, "Processing container " + cid); 11672 String pkgName = getAsecPackageName(cid); 11673 if (pkgName == null) { 11674 if (DEBUG_SD_INSTALL) 11675 Log.i(TAG, "Container : " + cid + " stale"); 11676 removeCids.add(cid); 11677 continue; 11678 } 11679 if (DEBUG_SD_INSTALL) 11680 Log.i(TAG, "Looking for pkg : " + pkgName); 11681 11682 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11683 if (ps == null) { 11684 Log.i(TAG, "Deleting container with no matching settings " + cid); 11685 removeCids.add(cid); 11686 continue; 11687 } 11688 11689 /* 11690 * Skip packages that are not external if we're unmounting 11691 * external storage. 11692 */ 11693 if (externalStorage && !isMounted && !isExternal(ps)) { 11694 continue; 11695 } 11696 11697 final AsecInstallArgs args = new AsecInstallArgs(cid, isForwardLocked(ps)); 11698 // The package status is changed only if the code path 11699 // matches between settings and the container id. 11700 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11701 if (DEBUG_SD_INSTALL) { 11702 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11703 + " at code path: " + ps.codePathString); 11704 } 11705 11706 // We do have a valid package installed on sdcard 11707 processCids.put(args, ps.codePathString); 11708 final int uid = ps.appId; 11709 if (uid != -1) { 11710 uidList[num++] = uid; 11711 } 11712 } else { 11713 Log.i(TAG, "Deleting stale container for " + cid); 11714 removeCids.add(cid); 11715 } 11716 } 11717 } 11718 11719 if (num > 0) { 11720 // Sort uid list 11721 Arrays.sort(uidList, 0, num); 11722 // Throw away duplicates 11723 uidArr = new int[num]; 11724 uidArr[0] = uidList[0]; 11725 int di = 0; 11726 for (int i = 1; i < num; i++) { 11727 if (uidList[i - 1] != uidList[i]) { 11728 uidArr[di++] = uidList[i]; 11729 } 11730 } 11731 } 11732 } 11733 // Process packages with valid entries. 11734 if (isMounted) { 11735 if (DEBUG_SD_INSTALL) 11736 Log.i(TAG, "Loading packages"); 11737 loadMediaPackages(processCids, uidArr, removeCids); 11738 startCleaningPackages(); 11739 } else { 11740 if (DEBUG_SD_INSTALL) 11741 Log.i(TAG, "Unloading packages"); 11742 unloadMediaPackages(processCids, uidArr, reportStatus); 11743 } 11744 } 11745 11746 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11747 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11748 int size = pkgList.size(); 11749 if (size > 0) { 11750 // Send broadcasts here 11751 Bundle extras = new Bundle(); 11752 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11753 .toArray(new String[size])); 11754 if (uidArr != null) { 11755 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11756 } 11757 if (replacing) { 11758 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11759 } 11760 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11761 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11762 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11763 } 11764 } 11765 11766 /* 11767 * Look at potentially valid container ids from processCids If package 11768 * information doesn't match the one on record or package scanning fails, 11769 * the cid is added to list of removeCids. We currently don't delete stale 11770 * containers. 11771 */ 11772 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11773 HashSet<String> removeCids) { 11774 ArrayList<String> pkgList = new ArrayList<String>(); 11775 Set<AsecInstallArgs> keys = processCids.keySet(); 11776 boolean doGc = false; 11777 for (AsecInstallArgs args : keys) { 11778 String codePath = processCids.get(args); 11779 if (DEBUG_SD_INSTALL) 11780 Log.i(TAG, "Loading container : " + args.cid); 11781 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11782 try { 11783 // Make sure there are no container errors first. 11784 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11785 Slog.e(TAG, "Failed to mount cid : " + args.cid 11786 + " when installing from sdcard"); 11787 continue; 11788 } 11789 // Check code path here. 11790 if (codePath == null || !codePath.equals(args.getCodePath())) { 11791 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11792 + " does not match one in settings " + codePath); 11793 continue; 11794 } 11795 // Parse package 11796 int parseFlags = mDefParseFlags; 11797 if (args.isExternal()) { 11798 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11799 } 11800 if (args.isFwdLocked()) { 11801 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11802 } 11803 11804 doGc = true; 11805 synchronized (mInstallLock) { 11806 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11807 0, 0, null); 11808 // Scan the package 11809 if (pkg != null) { 11810 /* 11811 * TODO why is the lock being held? doPostInstall is 11812 * called in other places without the lock. This needs 11813 * to be straightened out. 11814 */ 11815 // writer 11816 synchronized (mPackages) { 11817 retCode = PackageManager.INSTALL_SUCCEEDED; 11818 pkgList.add(pkg.packageName); 11819 // Post process args 11820 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11821 pkg.applicationInfo.uid); 11822 } 11823 } else { 11824 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11825 } 11826 } 11827 11828 } finally { 11829 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11830 // Don't destroy container here. Wait till gc clears things 11831 // up. 11832 removeCids.add(args.cid); 11833 } 11834 } 11835 } 11836 // writer 11837 synchronized (mPackages) { 11838 // If the platform SDK has changed since the last time we booted, 11839 // we need to re-grant app permission to catch any new ones that 11840 // appear. This is really a hack, and means that apps can in some 11841 // cases get permissions that the user didn't initially explicitly 11842 // allow... it would be nice to have some better way to handle 11843 // this situation. 11844 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11845 if (regrantPermissions) 11846 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11847 + mSdkVersion + "; regranting permissions for external storage"); 11848 mSettings.mExternalSdkPlatform = mSdkVersion; 11849 11850 // Make sure group IDs have been assigned, and any permission 11851 // changes in other apps are accounted for 11852 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11853 | (regrantPermissions 11854 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11855 : 0)); 11856 11857 mSettings.updateExternalDatabaseVersion(); 11858 11859 // can downgrade to reader 11860 // Persist settings 11861 mSettings.writeLPr(); 11862 } 11863 // Send a broadcast to let everyone know we are done processing 11864 if (pkgList.size() > 0) { 11865 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11866 } 11867 // Force gc to avoid any stale parser references that we might have. 11868 if (doGc) { 11869 Runtime.getRuntime().gc(); 11870 } 11871 // List stale containers and destroy stale temporary containers. 11872 if (removeCids != null) { 11873 for (String cid : removeCids) { 11874 if (cid.startsWith(mTempContainerPrefix)) { 11875 Log.i(TAG, "Destroying stale temporary container " + cid); 11876 PackageHelper.destroySdDir(cid); 11877 } else { 11878 Log.w(TAG, "Container " + cid + " is stale"); 11879 } 11880 } 11881 } 11882 } 11883 11884 /* 11885 * Utility method to unload a list of specified containers 11886 */ 11887 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 11888 // Just unmount all valid containers. 11889 for (AsecInstallArgs arg : cidArgs) { 11890 synchronized (mInstallLock) { 11891 arg.doPostDeleteLI(false); 11892 } 11893 } 11894 } 11895 11896 /* 11897 * Unload packages mounted on external media. This involves deleting package 11898 * data from internal structures, sending broadcasts about diabled packages, 11899 * gc'ing to free up references, unmounting all secure containers 11900 * corresponding to packages on external media, and posting a 11901 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 11902 * that we always have to post this message if status has been requested no 11903 * matter what. 11904 */ 11905 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11906 final boolean reportStatus) { 11907 if (DEBUG_SD_INSTALL) 11908 Log.i(TAG, "unloading media packages"); 11909 ArrayList<String> pkgList = new ArrayList<String>(); 11910 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 11911 final Set<AsecInstallArgs> keys = processCids.keySet(); 11912 for (AsecInstallArgs args : keys) { 11913 String pkgName = args.getPackageName(); 11914 if (DEBUG_SD_INSTALL) 11915 Log.i(TAG, "Trying to unload pkg : " + pkgName); 11916 // Delete package internally 11917 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 11918 synchronized (mInstallLock) { 11919 boolean res = deletePackageLI(pkgName, null, false, null, null, 11920 PackageManager.DELETE_KEEP_DATA, outInfo, false); 11921 if (res) { 11922 pkgList.add(pkgName); 11923 } else { 11924 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 11925 failedList.add(args); 11926 } 11927 } 11928 } 11929 11930 // reader 11931 synchronized (mPackages) { 11932 // We didn't update the settings after removing each package; 11933 // write them now for all packages. 11934 mSettings.writeLPr(); 11935 } 11936 11937 // We have to absolutely send UPDATED_MEDIA_STATUS only 11938 // after confirming that all the receivers processed the ordered 11939 // broadcast when packages get disabled, force a gc to clean things up. 11940 // and unload all the containers. 11941 if (pkgList.size() > 0) { 11942 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 11943 new IIntentReceiver.Stub() { 11944 public void performReceive(Intent intent, int resultCode, String data, 11945 Bundle extras, boolean ordered, boolean sticky, 11946 int sendingUser) throws RemoteException { 11947 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 11948 reportStatus ? 1 : 0, 1, keys); 11949 mHandler.sendMessage(msg); 11950 } 11951 }); 11952 } else { 11953 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 11954 keys); 11955 mHandler.sendMessage(msg); 11956 } 11957 } 11958 11959 /** Binder call */ 11960 @Override 11961 public void movePackage(final String packageName, final IPackageMoveObserver observer, 11962 final int flags) { 11963 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 11964 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 11965 int returnCode = PackageManager.MOVE_SUCCEEDED; 11966 int currFlags = 0; 11967 int newFlags = 0; 11968 // reader 11969 synchronized (mPackages) { 11970 PackageParser.Package pkg = mPackages.get(packageName); 11971 if (pkg == null) { 11972 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11973 } else { 11974 // Disable moving fwd locked apps and system packages 11975 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 11976 Slog.w(TAG, "Cannot move system application"); 11977 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 11978 } else if (pkg.mOperationPending) { 11979 Slog.w(TAG, "Attempt to move package which has pending operations"); 11980 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 11981 } else { 11982 // Find install location first 11983 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 11984 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 11985 Slog.w(TAG, "Ambigous flags specified for move location."); 11986 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11987 } else { 11988 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 11989 : PackageManager.INSTALL_INTERNAL; 11990 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 11991 : PackageManager.INSTALL_INTERNAL; 11992 11993 if (newFlags == currFlags) { 11994 Slog.w(TAG, "No move required. Trying to move to same location"); 11995 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11996 } else { 11997 if (isForwardLocked(pkg)) { 11998 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11999 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12000 } 12001 } 12002 } 12003 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12004 pkg.mOperationPending = true; 12005 } 12006 } 12007 } 12008 12009 /* 12010 * TODO this next block probably shouldn't be inside the lock. We 12011 * can't guarantee these won't change after this is fired off 12012 * anyway. 12013 */ 12014 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12015 processPendingMove(new MoveParams(null, observer, 0, packageName, 12016 null, -1, user), 12017 returnCode); 12018 } else { 12019 Message msg = mHandler.obtainMessage(INIT_COPY); 12020 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12021 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); 12022 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12023 pkg.applicationInfo.dataDir, pkg.applicationInfo.uid, user); 12024 msg.obj = mp; 12025 mHandler.sendMessage(msg); 12026 } 12027 } 12028 } 12029 12030 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12031 // Queue up an async operation since the package deletion may take a 12032 // little while. 12033 mHandler.post(new Runnable() { 12034 public void run() { 12035 // TODO fix this; this does nothing. 12036 mHandler.removeCallbacks(this); 12037 int returnCode = currentStatus; 12038 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12039 int uidArr[] = null; 12040 ArrayList<String> pkgList = null; 12041 synchronized (mPackages) { 12042 PackageParser.Package pkg = mPackages.get(mp.packageName); 12043 if (pkg == null) { 12044 Slog.w(TAG, " Package " + mp.packageName 12045 + " doesn't exist. Aborting move"); 12046 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12047 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12048 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12049 + mp.srcArgs.getCodePath() + " to " 12050 + pkg.applicationInfo.sourceDir 12051 + " Aborting move and returning error"); 12052 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12053 } else { 12054 uidArr = new int[] { 12055 pkg.applicationInfo.uid 12056 }; 12057 pkgList = new ArrayList<String>(); 12058 pkgList.add(mp.packageName); 12059 } 12060 } 12061 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12062 // Send resources unavailable broadcast 12063 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12064 // Update package code and resource paths 12065 synchronized (mInstallLock) { 12066 synchronized (mPackages) { 12067 PackageParser.Package pkg = mPackages.get(mp.packageName); 12068 // Recheck for package again. 12069 if (pkg == null) { 12070 Slog.w(TAG, " Package " + mp.packageName 12071 + " doesn't exist. Aborting move"); 12072 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12073 } else if (!mp.srcArgs.getCodePath().equals( 12074 pkg.applicationInfo.sourceDir)) { 12075 Slog.w(TAG, "Package " + mp.packageName 12076 + " code path changed from " + mp.srcArgs.getCodePath() 12077 + " to " + pkg.applicationInfo.sourceDir 12078 + " Aborting move and returning error"); 12079 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12080 } else { 12081 final String oldCodePath = pkg.mPath; 12082 final String newCodePath = mp.targetArgs.getCodePath(); 12083 final String newResPath = mp.targetArgs.getResourcePath(); 12084 final String newNativePath = mp.targetArgs 12085 .getNativeLibraryPath(); 12086 12087 final File newNativeDir = new File(newNativePath); 12088 12089 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12090 // NOTE: We do not report any errors from the APK scan and library 12091 // copy at this point. 12092 NativeLibraryHelper.ApkHandle handle = 12093 new NativeLibraryHelper.ApkHandle(newCodePath); 12094 final int abi = NativeLibraryHelper.findSupportedAbi( 12095 handle, Build.SUPPORTED_ABIS); 12096 if (abi >= 0) { 12097 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12098 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12099 } 12100 handle.close(); 12101 } 12102 final int[] users = sUserManager.getUserIds(); 12103 for (int user : users) { 12104 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12105 newNativePath, user) < 0) { 12106 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12107 } 12108 } 12109 12110 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12111 pkg.mPath = newCodePath; 12112 // Move dex files around 12113 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12114 // Moving of dex files failed. Set 12115 // error code and abort move. 12116 pkg.mPath = pkg.mScanPath; 12117 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12118 } 12119 } 12120 12121 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12122 pkg.mScanPath = newCodePath; 12123 pkg.applicationInfo.sourceDir = newCodePath; 12124 pkg.applicationInfo.publicSourceDir = newResPath; 12125 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12126 PackageSetting ps = (PackageSetting) pkg.mExtras; 12127 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12128 ps.codePathString = ps.codePath.getPath(); 12129 ps.resourcePath = new File( 12130 pkg.applicationInfo.publicSourceDir); 12131 ps.resourcePathString = ps.resourcePath.getPath(); 12132 ps.nativeLibraryPathString = newNativePath; 12133 // Set the application info flag 12134 // correctly. 12135 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12136 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12137 } else { 12138 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12139 } 12140 ps.setFlags(pkg.applicationInfo.flags); 12141 mAppDirs.remove(oldCodePath); 12142 mAppDirs.put(newCodePath, pkg); 12143 // Persist settings 12144 mSettings.writeLPr(); 12145 } 12146 } 12147 } 12148 } 12149 // Send resources available broadcast 12150 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12151 } 12152 } 12153 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12154 // Clean up failed installation 12155 if (mp.targetArgs != null) { 12156 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12157 -1); 12158 } 12159 } else { 12160 // Force a gc to clear things up. 12161 Runtime.getRuntime().gc(); 12162 // Delete older code 12163 synchronized (mInstallLock) { 12164 mp.srcArgs.doPostDeleteLI(true); 12165 } 12166 } 12167 12168 // Allow more operations on this file if we didn't fail because 12169 // an operation was already pending for this package. 12170 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12171 synchronized (mPackages) { 12172 PackageParser.Package pkg = mPackages.get(mp.packageName); 12173 if (pkg != null) { 12174 pkg.mOperationPending = false; 12175 } 12176 } 12177 } 12178 12179 IPackageMoveObserver observer = mp.observer; 12180 if (observer != null) { 12181 try { 12182 observer.packageMoved(mp.packageName, returnCode); 12183 } catch (RemoteException e) { 12184 Log.i(TAG, "Observer no longer exists."); 12185 } 12186 } 12187 } 12188 }); 12189 } 12190 12191 public boolean setInstallLocation(int loc) { 12192 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12193 null); 12194 if (getInstallLocation() == loc) { 12195 return true; 12196 } 12197 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12198 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12199 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12200 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12201 return true; 12202 } 12203 return false; 12204 } 12205 12206 public int getInstallLocation() { 12207 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12208 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12209 PackageHelper.APP_INSTALL_AUTO); 12210 } 12211 12212 /** Called by UserManagerService */ 12213 void cleanUpUserLILPw(int userHandle) { 12214 mDirtyUsers.remove(userHandle); 12215 mSettings.removeUserLPr(userHandle); 12216 mPendingBroadcasts.remove(userHandle); 12217 if (mInstaller != null) { 12218 // Technically, we shouldn't be doing this with the package lock 12219 // held. However, this is very rare, and there is already so much 12220 // other disk I/O going on, that we'll let it slide for now. 12221 mInstaller.removeUserDataDirs(userHandle); 12222 } 12223 } 12224 12225 /** Called by UserManagerService */ 12226 void createNewUserLILPw(int userHandle, File path) { 12227 if (mInstaller != null) { 12228 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12229 } 12230 } 12231 12232 @Override 12233 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12234 mContext.enforceCallingOrSelfPermission( 12235 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12236 "Only package verification agents can read the verifier device identity"); 12237 12238 synchronized (mPackages) { 12239 return mSettings.getVerifierDeviceIdentityLPw(); 12240 } 12241 } 12242 12243 @Override 12244 public void setPermissionEnforced(String permission, boolean enforced) { 12245 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12246 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12247 synchronized (mPackages) { 12248 if (mSettings.mReadExternalStorageEnforced == null 12249 || mSettings.mReadExternalStorageEnforced != enforced) { 12250 mSettings.mReadExternalStorageEnforced = enforced; 12251 mSettings.writeLPr(); 12252 } 12253 } 12254 // kill any non-foreground processes so we restart them and 12255 // grant/revoke the GID. 12256 final IActivityManager am = ActivityManagerNative.getDefault(); 12257 if (am != null) { 12258 final long token = Binder.clearCallingIdentity(); 12259 try { 12260 am.killProcessesBelowForeground("setPermissionEnforcement"); 12261 } catch (RemoteException e) { 12262 } finally { 12263 Binder.restoreCallingIdentity(token); 12264 } 12265 } 12266 } else { 12267 throw new IllegalArgumentException("No selective enforcement for " + permission); 12268 } 12269 } 12270 12271 @Override 12272 @Deprecated 12273 public boolean isPermissionEnforced(String permission) { 12274 return true; 12275 } 12276 12277 @Override 12278 public boolean isStorageLow() { 12279 final long token = Binder.clearCallingIdentity(); 12280 try { 12281 final DeviceStorageMonitorInternal 12282 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 12283 if (dsm != null) { 12284 return dsm.isMemoryLow(); 12285 } else { 12286 return false; 12287 } 12288 } finally { 12289 Binder.restoreCallingIdentity(token); 12290 } 12291 } 12292} 12293