PackageManagerService.java revision 91097de49b0f683b00e26a75dbc0ac6082344137
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 com.android.internal.util.ArrayUtils.appendInt; 27import static com.android.internal.util.ArrayUtils.removeInt; 28import static libcore.io.OsConstants.S_IRWXU; 29import static libcore.io.OsConstants.S_IRGRP; 30import static libcore.io.OsConstants.S_IXGRP; 31import static libcore.io.OsConstants.S_IROTH; 32import static libcore.io.OsConstants.S_IXOTH; 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.text.TextUtils; 123import android.util.DisplayMetrics; 124import android.util.EventLog; 125import android.util.Log; 126import android.util.LogPrinter; 127import android.util.PrintStreamPrinter; 128import android.util.Slog; 129import android.util.SparseArray; 130import android.util.Xml; 131import android.view.Display; 132 133import java.io.BufferedOutputStream; 134import java.io.File; 135import java.io.FileDescriptor; 136import java.io.FileInputStream; 137import java.io.FileNotFoundException; 138import java.io.FileOutputStream; 139import java.io.FileReader; 140import java.io.FilenameFilter; 141import java.io.IOException; 142import java.io.PrintWriter; 143import java.security.NoSuchAlgorithmException; 144import java.security.PublicKey; 145import java.security.cert.CertificateException; 146import java.text.SimpleDateFormat; 147import java.util.ArrayList; 148import java.util.Arrays; 149import java.util.Collection; 150import java.util.Collections; 151import java.util.Comparator; 152import java.util.Date; 153import java.util.HashMap; 154import java.util.HashSet; 155import java.util.Iterator; 156import java.util.List; 157import java.util.Map; 158import java.util.Set; 159 160import libcore.io.ErrnoException; 161import libcore.io.IoUtils; 162import libcore.io.Libcore; 163import libcore.io.StructStat; 164 165import com.android.internal.R; 166import com.android.server.storage.DeviceStorageMonitorInternal; 167 168/** 169 * Keep track of all those .apks everywhere. 170 * 171 * This is very central to the platform's security; please run the unit 172 * tests whenever making modifications here: 173 * 174mmm frameworks/base/tests/AndroidTests 175adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 176adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 177 * 178 * {@hide} 179 */ 180public class PackageManagerService extends IPackageManager.Stub { 181 static final String TAG = "PackageManager"; 182 static final boolean DEBUG_SETTINGS = false; 183 static final boolean DEBUG_PREFERRED = false; 184 static final boolean DEBUG_UPGRADE = false; 185 private static final boolean DEBUG_INSTALL = false; 186 private static final boolean DEBUG_REMOVE = false; 187 private static final boolean DEBUG_BROADCASTS = false; 188 private static final boolean DEBUG_SHOW_INFO = false; 189 private static final boolean DEBUG_PACKAGE_INFO = false; 190 private static final boolean DEBUG_INTENT_MATCHING = false; 191 private static final boolean DEBUG_PACKAGE_SCANNING = false; 192 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 193 private static final boolean DEBUG_VERIFY = false; 194 195 private static final int RADIO_UID = Process.PHONE_UID; 196 private static final int LOG_UID = Process.LOG_UID; 197 private static final int NFC_UID = Process.NFC_UID; 198 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 199 private static final int SHELL_UID = Process.SHELL_UID; 200 201 // Cap the size of permission trees that 3rd party apps can define 202 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 203 204 private static final int REMOVE_EVENTS = 205 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 206 private static final int ADD_EVENTS = 207 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 208 209 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 210 // Suffix used during package installation when copying/moving 211 // package apks to install directory. 212 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 213 214 static final int SCAN_MONITOR = 1<<0; 215 static final int SCAN_NO_DEX = 1<<1; 216 static final int SCAN_FORCE_DEX = 1<<2; 217 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 218 static final int SCAN_NEW_INSTALL = 1<<4; 219 static final int SCAN_NO_PATHS = 1<<5; 220 static final int SCAN_UPDATE_TIME = 1<<6; 221 static final int SCAN_DEFER_DEX = 1<<7; 222 static final int SCAN_BOOTING = 1<<8; 223 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 224 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 225 226 static final int REMOVE_CHATTY = 1<<16; 227 228 /** 229 * Timeout (in milliseconds) after which the watchdog should declare that 230 * our handler thread is wedged. The usual default for such things is one 231 * minute but we sometimes do very lengthy I/O operations on this thread, 232 * such as installing multi-gigabyte applications, so ours needs to be longer. 233 */ 234 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 235 236 /** 237 * Whether verification is enabled by default. 238 */ 239 private static final boolean DEFAULT_VERIFY_ENABLE = true; 240 241 /** 242 * The default maximum time to wait for the verification agent to return in 243 * milliseconds. 244 */ 245 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 246 247 /** 248 * The default response for package verification timeout. 249 * 250 * This can be either PackageManager.VERIFICATION_ALLOW or 251 * PackageManager.VERIFICATION_REJECT. 252 */ 253 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 254 255 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 256 257 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 258 DEFAULT_CONTAINER_PACKAGE, 259 "com.android.defcontainer.DefaultContainerService"); 260 261 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 262 263 private static final String LIB_DIR_NAME = "lib"; 264 private static final String LIB64_DIR_NAME = "lib64"; 265 266 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 267 268 static final String mTempContainerPrefix = "smdl2tmp"; 269 270 final ServiceThread mHandlerThread; 271 272 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 273 private static final String IDMAP_SUFFIX = "@idmap"; 274 275 final PackageHandler mHandler; 276 277 final int mSdkVersion = Build.VERSION.SDK_INT; 278 279 final Context mContext; 280 final boolean mFactoryTest; 281 final boolean mOnlyCore; 282 final boolean mNoDexOpt; 283 final DisplayMetrics mMetrics; 284 final int mDefParseFlags; 285 final String[] mSeparateProcesses; 286 287 // This is where all application persistent data goes. 288 final File mAppDataDir; 289 290 // This is where all application persistent data goes for secondary users. 291 final File mUserAppDataDir; 292 293 /** The location for ASEC container files on internal storage. */ 294 final String mAsecInternalPath; 295 296 // This is the object monitoring the framework dir. 297 final FileObserver mFrameworkInstallObserver; 298 299 // This is the object monitoring the system app dir. 300 final FileObserver mSystemInstallObserver; 301 302 // This is the object monitoring the privileged system app dir. 303 final FileObserver mPrivilegedInstallObserver; 304 305 // This is the object monitoring the vendor app dir. 306 final FileObserver mVendorInstallObserver; 307 308 // This is the object monitoring the vendor overlay package dir. 309 final FileObserver mVendorOverlayInstallObserver; 310 311 // This is the object monitoring the OEM app dir. 312 final FileObserver mOemInstallObserver; 313 314 // This is the object monitoring mAppInstallDir. 315 final FileObserver mAppInstallObserver; 316 317 // This is the object monitoring mDrmAppPrivateInstallDir. 318 final FileObserver mDrmAppInstallObserver; 319 320 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 321 // LOCK HELD. Can be called with mInstallLock held. 322 final Installer mInstaller; 323 324 final File mAppInstallDir; 325 326 /** 327 * Directory to which applications installed internally have native 328 * libraries copied. 329 */ 330 private File mAppLibInstallDir; 331 332 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 333 // apps. 334 final File mDrmAppPrivateInstallDir; 335 336 // ---------------------------------------------------------------- 337 338 // Lock for state used when installing and doing other long running 339 // operations. Methods that must be called with this lock held have 340 // the suffix "LI". 341 final Object mInstallLock = new Object(); 342 343 // These are the directories in the 3rd party applications installed dir 344 // that we have currently loaded packages from. Keys are the application's 345 // installed zip file (absolute codePath), and values are Package. 346 final HashMap<String, PackageParser.Package> mAppDirs = 347 new HashMap<String, PackageParser.Package>(); 348 349 // Information for the parser to write more useful error messages. 350 int mLastScanError; 351 352 // ---------------------------------------------------------------- 353 354 // Keys are String (package name), values are Package. This also serves 355 // as the lock for the global state. Methods that must be called with 356 // this lock held have the prefix "LP". 357 final HashMap<String, PackageParser.Package> mPackages = 358 new HashMap<String, PackageParser.Package>(); 359 360 // Tracks available target package names -> overlay package paths. 361 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 362 new HashMap<String, HashMap<String, PackageParser.Package>>(); 363 364 final Settings mSettings; 365 boolean mRestoredSettings; 366 367 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 368 int[] mGlobalGids; 369 370 // These are the built-in uid -> permission mappings that were read from the 371 // etc/permissions.xml file. 372 final SparseArray<HashSet<String>> mSystemPermissions = 373 new SparseArray<HashSet<String>>(); 374 375 static final class SharedLibraryEntry { 376 final String path; 377 final String apk; 378 379 SharedLibraryEntry(String _path, String _apk) { 380 path = _path; 381 apk = _apk; 382 } 383 } 384 385 // These are the built-in shared libraries that were read from the 386 // etc/permissions.xml file. 387 final HashMap<String, SharedLibraryEntry> mSharedLibraries 388 = new HashMap<String, SharedLibraryEntry>(); 389 390 // Temporary for building the final shared libraries for an .apk. 391 String[] mTmpSharedLibraries = null; 392 393 // These are the features this devices supports that were read from the 394 // etc/permissions.xml file. 395 final HashMap<String, FeatureInfo> mAvailableFeatures = 396 new HashMap<String, FeatureInfo>(); 397 398 // If mac_permissions.xml was found for seinfo labeling. 399 boolean mFoundPolicyFile; 400 401 // If a recursive restorecon of /data/data/<pkg> is needed. 402 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 403 404 // All available activities, for your resolving pleasure. 405 final ActivityIntentResolver mActivities = 406 new ActivityIntentResolver(); 407 408 // All available receivers, for your resolving pleasure. 409 final ActivityIntentResolver mReceivers = 410 new ActivityIntentResolver(); 411 412 // All available services, for your resolving pleasure. 413 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 414 415 // All available providers, for your resolving pleasure. 416 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 417 418 // Mapping from provider base names (first directory in content URI codePath) 419 // to the provider information. 420 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 421 new HashMap<String, PackageParser.Provider>(); 422 423 // Mapping from instrumentation class names to info about them. 424 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 425 new HashMap<ComponentName, PackageParser.Instrumentation>(); 426 427 // Mapping from permission names to info about them. 428 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 429 new HashMap<String, PackageParser.PermissionGroup>(); 430 431 // Packages whose data we have transfered into another package, thus 432 // should no longer exist. 433 final HashSet<String> mTransferedPackages = new HashSet<String>(); 434 435 // Broadcast actions that are only available to the system. 436 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 437 438 /** List of packages waiting for verification. */ 439 final SparseArray<PackageVerificationState> mPendingVerification 440 = new SparseArray<PackageVerificationState>(); 441 442 HashSet<PackageParser.Package> mDeferredDexOpt = null; 443 444 /** Token for keys in mPendingVerification. */ 445 private int mPendingVerificationToken = 0; 446 447 boolean mSystemReady; 448 boolean mSafeMode; 449 boolean mHasSystemUidErrors; 450 451 ApplicationInfo mAndroidApplication; 452 final ActivityInfo mResolveActivity = new ActivityInfo(); 453 final ResolveInfo mResolveInfo = new ResolveInfo(); 454 ComponentName mResolveComponentName; 455 PackageParser.Package mPlatformPackage; 456 ComponentName mCustomResolverComponentName; 457 458 boolean mResolverReplaced = false; 459 460 // Set of pending broadcasts for aggregating enable/disable of components. 461 static class PendingPackageBroadcasts { 462 // for each user id, a map of <package name -> components within that package> 463 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 464 465 public PendingPackageBroadcasts() { 466 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 467 } 468 469 public ArrayList<String> get(int userId, String packageName) { 470 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 471 return packages.get(packageName); 472 } 473 474 public void put(int userId, String packageName, ArrayList<String> components) { 475 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 476 packages.put(packageName, components); 477 } 478 479 public void remove(int userId, String packageName) { 480 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 481 if (packages != null) { 482 packages.remove(packageName); 483 } 484 } 485 486 public void remove(int userId) { 487 mUidMap.remove(userId); 488 } 489 490 public int userIdCount() { 491 return mUidMap.size(); 492 } 493 494 public int userIdAt(int n) { 495 return mUidMap.keyAt(n); 496 } 497 498 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 499 return mUidMap.get(userId); 500 } 501 502 public int size() { 503 // total number of pending broadcast entries across all userIds 504 int num = 0; 505 for (int i = 0; i< mUidMap.size(); i++) { 506 num += mUidMap.valueAt(i).size(); 507 } 508 return num; 509 } 510 511 public void clear() { 512 mUidMap.clear(); 513 } 514 515 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 516 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 517 if (map == null) { 518 map = new HashMap<String, ArrayList<String>>(); 519 mUidMap.put(userId, map); 520 } 521 return map; 522 } 523 } 524 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 525 526 // Service Connection to remote media container service to copy 527 // package uri's from external media onto secure containers 528 // or internal storage. 529 private IMediaContainerService mContainerService = null; 530 531 static final int SEND_PENDING_BROADCAST = 1; 532 static final int MCS_BOUND = 3; 533 static final int END_COPY = 4; 534 static final int INIT_COPY = 5; 535 static final int MCS_UNBIND = 6; 536 static final int START_CLEANING_PACKAGE = 7; 537 static final int FIND_INSTALL_LOC = 8; 538 static final int POST_INSTALL = 9; 539 static final int MCS_RECONNECT = 10; 540 static final int MCS_GIVE_UP = 11; 541 static final int UPDATED_MEDIA_STATUS = 12; 542 static final int WRITE_SETTINGS = 13; 543 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 544 static final int PACKAGE_VERIFIED = 15; 545 static final int CHECK_PENDING_VERIFICATION = 16; 546 547 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 548 549 // Delay time in millisecs 550 static final int BROADCAST_DELAY = 10 * 1000; 551 552 static UserManagerService sUserManager; 553 554 // Stores a list of users whose package restrictions file needs to be updated 555 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 556 557 final private DefaultContainerConnection mDefContainerConn = 558 new DefaultContainerConnection(); 559 class DefaultContainerConnection implements ServiceConnection { 560 public void onServiceConnected(ComponentName name, IBinder service) { 561 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 562 IMediaContainerService imcs = 563 IMediaContainerService.Stub.asInterface(service); 564 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 565 } 566 567 public void onServiceDisconnected(ComponentName name) { 568 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 569 } 570 }; 571 572 // Recordkeeping of restore-after-install operations that are currently in flight 573 // between the Package Manager and the Backup Manager 574 class PostInstallData { 575 public InstallArgs args; 576 public PackageInstalledInfo res; 577 578 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 579 args = _a; 580 res = _r; 581 } 582 }; 583 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 584 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 585 586 private final String mRequiredVerifierPackage; 587 588 class PackageHandler extends Handler { 589 private boolean mBound = false; 590 final ArrayList<HandlerParams> mPendingInstalls = 591 new ArrayList<HandlerParams>(); 592 593 private boolean connectToService() { 594 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 595 " DefaultContainerService"); 596 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 597 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 598 if (mContext.bindServiceAsUser(service, mDefContainerConn, 599 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 600 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 601 mBound = true; 602 return true; 603 } 604 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 605 return false; 606 } 607 608 private void disconnectService() { 609 mContainerService = null; 610 mBound = false; 611 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 612 mContext.unbindService(mDefContainerConn); 613 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 614 } 615 616 PackageHandler(Looper looper) { 617 super(looper); 618 } 619 620 public void handleMessage(Message msg) { 621 try { 622 doHandleMessage(msg); 623 } finally { 624 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 625 } 626 } 627 628 void doHandleMessage(Message msg) { 629 switch (msg.what) { 630 case INIT_COPY: { 631 HandlerParams params = (HandlerParams) msg.obj; 632 int idx = mPendingInstalls.size(); 633 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 634 // If a bind was already initiated we dont really 635 // need to do anything. The pending install 636 // will be processed later on. 637 if (!mBound) { 638 // If this is the only one pending we might 639 // have to bind to the service again. 640 if (!connectToService()) { 641 Slog.e(TAG, "Failed to bind to media container service"); 642 params.serviceError(); 643 return; 644 } else { 645 // Once we bind to the service, the first 646 // pending request will be processed. 647 mPendingInstalls.add(idx, params); 648 } 649 } else { 650 mPendingInstalls.add(idx, params); 651 // Already bound to the service. Just make 652 // sure we trigger off processing the first request. 653 if (idx == 0) { 654 mHandler.sendEmptyMessage(MCS_BOUND); 655 } 656 } 657 break; 658 } 659 case MCS_BOUND: { 660 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 661 if (msg.obj != null) { 662 mContainerService = (IMediaContainerService) msg.obj; 663 } 664 if (mContainerService == null) { 665 // Something seriously wrong. Bail out 666 Slog.e(TAG, "Cannot bind to media container service"); 667 for (HandlerParams params : mPendingInstalls) { 668 // Indicate service bind error 669 params.serviceError(); 670 } 671 mPendingInstalls.clear(); 672 } else if (mPendingInstalls.size() > 0) { 673 HandlerParams params = mPendingInstalls.get(0); 674 if (params != null) { 675 if (params.startCopy()) { 676 // We are done... look for more work or to 677 // go idle. 678 if (DEBUG_SD_INSTALL) Log.i(TAG, 679 "Checking for more work or unbind..."); 680 // Delete pending install 681 if (mPendingInstalls.size() > 0) { 682 mPendingInstalls.remove(0); 683 } 684 if (mPendingInstalls.size() == 0) { 685 if (mBound) { 686 if (DEBUG_SD_INSTALL) Log.i(TAG, 687 "Posting delayed MCS_UNBIND"); 688 removeMessages(MCS_UNBIND); 689 Message ubmsg = obtainMessage(MCS_UNBIND); 690 // Unbind after a little delay, to avoid 691 // continual thrashing. 692 sendMessageDelayed(ubmsg, 10000); 693 } 694 } else { 695 // There are more pending requests in queue. 696 // Just post MCS_BOUND message to trigger processing 697 // of next pending install. 698 if (DEBUG_SD_INSTALL) Log.i(TAG, 699 "Posting MCS_BOUND for next work"); 700 mHandler.sendEmptyMessage(MCS_BOUND); 701 } 702 } 703 } 704 } else { 705 // Should never happen ideally. 706 Slog.w(TAG, "Empty queue"); 707 } 708 break; 709 } 710 case MCS_RECONNECT: { 711 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 712 if (mPendingInstalls.size() > 0) { 713 if (mBound) { 714 disconnectService(); 715 } 716 if (!connectToService()) { 717 Slog.e(TAG, "Failed to bind to media container service"); 718 for (HandlerParams params : mPendingInstalls) { 719 // Indicate service bind error 720 params.serviceError(); 721 } 722 mPendingInstalls.clear(); 723 } 724 } 725 break; 726 } 727 case MCS_UNBIND: { 728 // If there is no actual work left, then time to unbind. 729 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 730 731 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 732 if (mBound) { 733 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 734 735 disconnectService(); 736 } 737 } else if (mPendingInstalls.size() > 0) { 738 // There are more pending requests in queue. 739 // Just post MCS_BOUND message to trigger processing 740 // of next pending install. 741 mHandler.sendEmptyMessage(MCS_BOUND); 742 } 743 744 break; 745 } 746 case MCS_GIVE_UP: { 747 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 748 mPendingInstalls.remove(0); 749 break; 750 } 751 case SEND_PENDING_BROADCAST: { 752 String packages[]; 753 ArrayList<String> components[]; 754 int size = 0; 755 int uids[]; 756 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 757 synchronized (mPackages) { 758 if (mPendingBroadcasts == null) { 759 return; 760 } 761 size = mPendingBroadcasts.size(); 762 if (size <= 0) { 763 // Nothing to be done. Just return 764 return; 765 } 766 packages = new String[size]; 767 components = new ArrayList[size]; 768 uids = new int[size]; 769 int i = 0; // filling out the above arrays 770 771 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 772 int packageUserId = mPendingBroadcasts.userIdAt(n); 773 Iterator<Map.Entry<String, ArrayList<String>>> it 774 = mPendingBroadcasts.packagesForUserId(packageUserId) 775 .entrySet().iterator(); 776 while (it.hasNext() && i < size) { 777 Map.Entry<String, ArrayList<String>> ent = it.next(); 778 packages[i] = ent.getKey(); 779 components[i] = ent.getValue(); 780 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 781 uids[i] = (ps != null) 782 ? UserHandle.getUid(packageUserId, ps.appId) 783 : -1; 784 i++; 785 } 786 } 787 size = i; 788 mPendingBroadcasts.clear(); 789 } 790 // Send broadcasts 791 for (int i = 0; i < size; i++) { 792 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 793 } 794 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 795 break; 796 } 797 case START_CLEANING_PACKAGE: { 798 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 799 final String packageName = (String)msg.obj; 800 final int userId = msg.arg1; 801 final boolean andCode = msg.arg2 != 0; 802 synchronized (mPackages) { 803 if (userId == UserHandle.USER_ALL) { 804 int[] users = sUserManager.getUserIds(); 805 for (int user : users) { 806 mSettings.addPackageToCleanLPw( 807 new PackageCleanItem(user, packageName, andCode)); 808 } 809 } else { 810 mSettings.addPackageToCleanLPw( 811 new PackageCleanItem(userId, packageName, andCode)); 812 } 813 } 814 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 815 startCleaningPackages(); 816 } break; 817 case POST_INSTALL: { 818 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 819 PostInstallData data = mRunningInstalls.get(msg.arg1); 820 mRunningInstalls.delete(msg.arg1); 821 boolean deleteOld = false; 822 823 if (data != null) { 824 InstallArgs args = data.args; 825 PackageInstalledInfo res = data.res; 826 827 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 828 res.removedInfo.sendBroadcast(false, true, false); 829 Bundle extras = new Bundle(1); 830 extras.putInt(Intent.EXTRA_UID, res.uid); 831 // Determine the set of users who are adding this 832 // package for the first time vs. those who are seeing 833 // an update. 834 int[] firstUsers; 835 int[] updateUsers = new int[0]; 836 if (res.origUsers == null || res.origUsers.length == 0) { 837 firstUsers = res.newUsers; 838 } else { 839 firstUsers = new int[0]; 840 for (int i=0; i<res.newUsers.length; i++) { 841 int user = res.newUsers[i]; 842 boolean isNew = true; 843 for (int j=0; j<res.origUsers.length; j++) { 844 if (res.origUsers[j] == user) { 845 isNew = false; 846 break; 847 } 848 } 849 if (isNew) { 850 int[] newFirst = new int[firstUsers.length+1]; 851 System.arraycopy(firstUsers, 0, newFirst, 0, 852 firstUsers.length); 853 newFirst[firstUsers.length] = user; 854 firstUsers = newFirst; 855 } else { 856 int[] newUpdate = new int[updateUsers.length+1]; 857 System.arraycopy(updateUsers, 0, newUpdate, 0, 858 updateUsers.length); 859 newUpdate[updateUsers.length] = user; 860 updateUsers = newUpdate; 861 } 862 } 863 } 864 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 865 res.pkg.applicationInfo.packageName, 866 extras, null, null, firstUsers); 867 final boolean update = res.removedInfo.removedPackage != null; 868 if (update) { 869 extras.putBoolean(Intent.EXTRA_REPLACING, true); 870 } 871 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 872 res.pkg.applicationInfo.packageName, 873 extras, null, null, updateUsers); 874 if (update) { 875 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 876 res.pkg.applicationInfo.packageName, 877 extras, null, null, updateUsers); 878 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 879 null, null, 880 res.pkg.applicationInfo.packageName, null, updateUsers); 881 882 // treat asec-hosted packages like removable media on upgrade 883 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 884 if (DEBUG_INSTALL) { 885 Slog.i(TAG, "upgrading pkg " + res.pkg 886 + " is ASEC-hosted -> AVAILABLE"); 887 } 888 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 889 ArrayList<String> pkgList = new ArrayList<String>(1); 890 pkgList.add(res.pkg.applicationInfo.packageName); 891 sendResourcesChangedBroadcast(true, true, 892 pkgList,uidArray, null); 893 } 894 } 895 if (res.removedInfo.args != null) { 896 // Remove the replaced package's older resources safely now 897 deleteOld = true; 898 } 899 900 // Log current value of "unknown sources" setting 901 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 902 getUnknownSourcesSettings()); 903 } 904 // Force a gc to clear up things 905 Runtime.getRuntime().gc(); 906 // We delete after a gc for applications on sdcard. 907 if (deleteOld) { 908 synchronized (mInstallLock) { 909 res.removedInfo.args.doPostDeleteLI(true); 910 } 911 } 912 if (args.observer != null) { 913 try { 914 args.observer.packageInstalled(res.name, res.returnCode); 915 } catch (RemoteException e) { 916 Slog.i(TAG, "Observer no longer exists."); 917 } 918 } 919 if (args.observer2 != null) { 920 try { 921 Bundle extras = extrasForInstallResult(res); 922 args.observer2.packageInstalled(res.name, extras, res.returnCode); 923 } catch (RemoteException e) { 924 Slog.i(TAG, "Observer no longer exists."); 925 } 926 } 927 } else { 928 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 929 } 930 } break; 931 case UPDATED_MEDIA_STATUS: { 932 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 933 boolean reportStatus = msg.arg1 == 1; 934 boolean doGc = msg.arg2 == 1; 935 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 936 if (doGc) { 937 // Force a gc to clear up stale containers. 938 Runtime.getRuntime().gc(); 939 } 940 if (msg.obj != null) { 941 @SuppressWarnings("unchecked") 942 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 943 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 944 // Unload containers 945 unloadAllContainers(args); 946 } 947 if (reportStatus) { 948 try { 949 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 950 PackageHelper.getMountService().finishMediaUpdate(); 951 } catch (RemoteException e) { 952 Log.e(TAG, "MountService not running?"); 953 } 954 } 955 } break; 956 case WRITE_SETTINGS: { 957 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 958 synchronized (mPackages) { 959 removeMessages(WRITE_SETTINGS); 960 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 961 mSettings.writeLPr(); 962 mDirtyUsers.clear(); 963 } 964 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 965 } break; 966 case WRITE_PACKAGE_RESTRICTIONS: { 967 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 968 synchronized (mPackages) { 969 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 970 for (int userId : mDirtyUsers) { 971 mSettings.writePackageRestrictionsLPr(userId); 972 } 973 mDirtyUsers.clear(); 974 } 975 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 976 } break; 977 case CHECK_PENDING_VERIFICATION: { 978 final int verificationId = msg.arg1; 979 final PackageVerificationState state = mPendingVerification.get(verificationId); 980 981 if ((state != null) && !state.timeoutExtended()) { 982 final InstallArgs args = state.getInstallArgs(); 983 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 984 mPendingVerification.remove(verificationId); 985 986 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 987 988 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 989 Slog.i(TAG, "Continuing with installation of " 990 + args.packageURI.toString()); 991 state.setVerifierResponse(Binder.getCallingUid(), 992 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 993 broadcastPackageVerified(verificationId, args.packageURI, 994 PackageManager.VERIFICATION_ALLOW, 995 state.getInstallArgs().getUser()); 996 try { 997 ret = args.copyApk(mContainerService, true); 998 } catch (RemoteException e) { 999 Slog.e(TAG, "Could not contact the ContainerService"); 1000 } 1001 } else { 1002 broadcastPackageVerified(verificationId, args.packageURI, 1003 PackageManager.VERIFICATION_REJECT, 1004 state.getInstallArgs().getUser()); 1005 } 1006 1007 processPendingInstall(args, ret); 1008 mHandler.sendEmptyMessage(MCS_UNBIND); 1009 } 1010 break; 1011 } 1012 case PACKAGE_VERIFIED: { 1013 final int verificationId = msg.arg1; 1014 1015 final PackageVerificationState state = mPendingVerification.get(verificationId); 1016 if (state == null) { 1017 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1018 break; 1019 } 1020 1021 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1022 1023 state.setVerifierResponse(response.callerUid, response.code); 1024 1025 if (state.isVerificationComplete()) { 1026 mPendingVerification.remove(verificationId); 1027 1028 final InstallArgs args = state.getInstallArgs(); 1029 1030 int ret; 1031 if (state.isInstallAllowed()) { 1032 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1033 broadcastPackageVerified(verificationId, args.packageURI, 1034 response.code, state.getInstallArgs().getUser()); 1035 try { 1036 ret = args.copyApk(mContainerService, true); 1037 } catch (RemoteException e) { 1038 Slog.e(TAG, "Could not contact the ContainerService"); 1039 } 1040 } else { 1041 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1042 } 1043 1044 processPendingInstall(args, ret); 1045 1046 mHandler.sendEmptyMessage(MCS_UNBIND); 1047 } 1048 1049 break; 1050 } 1051 } 1052 } 1053 } 1054 1055 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1056 Bundle extras = null; 1057 switch (res.returnCode) { 1058 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1059 extras = new Bundle(); 1060 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1061 res.origPermission); 1062 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1063 res.origPackage); 1064 break; 1065 } 1066 } 1067 return extras; 1068 } 1069 1070 void scheduleWriteSettingsLocked() { 1071 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1072 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1073 } 1074 } 1075 1076 void scheduleWritePackageRestrictionsLocked(int userId) { 1077 if (!sUserManager.exists(userId)) return; 1078 mDirtyUsers.add(userId); 1079 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1080 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1081 } 1082 } 1083 1084 public static final IPackageManager main(Context context, Installer installer, 1085 boolean factoryTest, boolean onlyCore) { 1086 PackageManagerService m = new PackageManagerService(context, installer, 1087 factoryTest, onlyCore); 1088 ServiceManager.addService("package", m); 1089 return m; 1090 } 1091 1092 static String[] splitString(String str, char sep) { 1093 int count = 1; 1094 int i = 0; 1095 while ((i=str.indexOf(sep, i)) >= 0) { 1096 count++; 1097 i++; 1098 } 1099 1100 String[] res = new String[count]; 1101 i=0; 1102 count = 0; 1103 int lastI=0; 1104 while ((i=str.indexOf(sep, i)) >= 0) { 1105 res[count] = str.substring(lastI, i); 1106 count++; 1107 i++; 1108 lastI = i; 1109 } 1110 res[count] = str.substring(lastI, str.length()); 1111 return res; 1112 } 1113 1114 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1115 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1116 Context.DISPLAY_SERVICE); 1117 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1118 } 1119 1120 public PackageManagerService(Context context, Installer installer, 1121 boolean factoryTest, boolean onlyCore) { 1122 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1123 SystemClock.uptimeMillis()); 1124 1125 if (mSdkVersion <= 0) { 1126 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1127 } 1128 1129 mContext = context; 1130 mFactoryTest = factoryTest; 1131 mOnlyCore = onlyCore; 1132 mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1133 mMetrics = new DisplayMetrics(); 1134 mSettings = new Settings(context); 1135 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1136 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1137 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1138 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1139 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1140 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1141 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1142 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1143 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1144 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1145 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1146 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1147 1148 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1149 if (separateProcesses != null && separateProcesses.length() > 0) { 1150 if ("*".equals(separateProcesses)) { 1151 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1152 mSeparateProcesses = null; 1153 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1154 } else { 1155 mDefParseFlags = 0; 1156 mSeparateProcesses = separateProcesses.split(","); 1157 Slog.w(TAG, "Running with debug.separate_processes: " 1158 + separateProcesses); 1159 } 1160 } else { 1161 mDefParseFlags = 0; 1162 mSeparateProcesses = null; 1163 } 1164 1165 mInstaller = installer; 1166 1167 getDefaultDisplayMetrics(context, mMetrics); 1168 1169 synchronized (mInstallLock) { 1170 // writer 1171 synchronized (mPackages) { 1172 mHandlerThread = new ServiceThread(TAG, 1173 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1174 mHandlerThread.start(); 1175 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1176 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1177 1178 File dataDir = Environment.getDataDirectory(); 1179 mAppDataDir = new File(dataDir, "data"); 1180 mAppInstallDir = new File(dataDir, "app"); 1181 mAppLibInstallDir = new File(dataDir, "app-lib"); 1182 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1183 mUserAppDataDir = new File(dataDir, "user"); 1184 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1185 1186 sUserManager = new UserManagerService(context, this, 1187 mInstallLock, mPackages); 1188 1189 // Read permissions and features from system 1190 readPermissions(Environment.buildPath( 1191 Environment.getRootDirectory(), "etc", "permissions"), false); 1192 // Only read features from OEM 1193 readPermissions(Environment.buildPath( 1194 Environment.getOemDirectory(), "etc", "permissions"), true); 1195 1196 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1197 1198 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1199 mSdkVersion, mOnlyCore); 1200 1201 String customResolverActivity = Resources.getSystem().getString( 1202 R.string.config_customResolverActivity); 1203 if (TextUtils.isEmpty(customResolverActivity)) { 1204 customResolverActivity = null; 1205 } else { 1206 mCustomResolverComponentName = ComponentName.unflattenFromString( 1207 customResolverActivity); 1208 } 1209 1210 long startTime = SystemClock.uptimeMillis(); 1211 1212 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1213 startTime); 1214 1215 // Set flag to monitor and not change apk file paths when 1216 // scanning install directories. 1217 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1218 if (mNoDexOpt) { 1219 Slog.w(TAG, "Running ENG build: no pre-dexopt!"); 1220 scanMode |= SCAN_NO_DEX; 1221 } 1222 1223 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1224 1225 /** 1226 * Add everything in the in the boot class path to the 1227 * list of process files because dexopt will have been run 1228 * if necessary during zygote startup. 1229 */ 1230 String bootClassPath = System.getProperty("java.boot.class.path"); 1231 if (bootClassPath != null) { 1232 String[] paths = splitString(bootClassPath, ':'); 1233 for (int i=0; i<paths.length; i++) { 1234 alreadyDexOpted.add(paths[i]); 1235 } 1236 } else { 1237 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1238 } 1239 1240 boolean didDexOpt = false; 1241 1242 /** 1243 * Ensure all external libraries have had dexopt run on them. 1244 */ 1245 if (mSharedLibraries.size() > 0) { 1246 Iterator<SharedLibraryEntry> libs = mSharedLibraries.values().iterator(); 1247 while (libs.hasNext()) { 1248 String lib = libs.next().path; 1249 if (lib == null) { 1250 continue; 1251 } 1252 try { 1253 if (dalvik.system.DexFile.isDexOptNeededInternal(lib, null, false)) { 1254 alreadyDexOpted.add(lib); 1255 mInstaller.dexopt(lib, Process.SYSTEM_UID, true); 1256 didDexOpt = true; 1257 } 1258 } catch (FileNotFoundException e) { 1259 Slog.w(TAG, "Library not found: " + lib); 1260 } catch (IOException e) { 1261 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1262 + e.getMessage()); 1263 } 1264 } 1265 } 1266 1267 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1268 1269 // Gross hack for now: we know this file doesn't contain any 1270 // code, so don't dexopt it to avoid the resulting log spew. 1271 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1272 1273 // Gross hack for now: we know this file is only part of 1274 // the boot class path for art, so don't dexopt it to 1275 // avoid the resulting log spew. 1276 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1277 1278 /** 1279 * And there are a number of commands implemented in Java, which 1280 * we currently need to do the dexopt on so that they can be 1281 * run from a non-root shell. 1282 */ 1283 String[] frameworkFiles = frameworkDir.list(); 1284 if (frameworkFiles != null) { 1285 for (int i=0; i<frameworkFiles.length; i++) { 1286 File libPath = new File(frameworkDir, frameworkFiles[i]); 1287 String path = libPath.getPath(); 1288 // Skip the file if we alrady did it. 1289 if (alreadyDexOpted.contains(path)) { 1290 continue; 1291 } 1292 // Skip the file if it is not a type we want to dexopt. 1293 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1294 continue; 1295 } 1296 try { 1297 if (dalvik.system.DexFile.isDexOptNeededInternal(path, null, false)) { 1298 mInstaller.dexopt(path, Process.SYSTEM_UID, true); 1299 didDexOpt = true; 1300 } 1301 } catch (FileNotFoundException e) { 1302 Slog.w(TAG, "Jar not found: " + path); 1303 } catch (IOException e) { 1304 Slog.w(TAG, "Exception reading jar: " + path, e); 1305 } 1306 } 1307 } 1308 1309 if (didDexOpt) { 1310 File dalvikCacheDir = new File(dataDir, "dalvik-cache"); 1311 1312 // If we had to do a dexopt of one of the previous 1313 // things, then something on the system has changed. 1314 // Consider this significant, and wipe away all other 1315 // existing dexopt files to ensure we don't leave any 1316 // dangling around. 1317 String[] files = dalvikCacheDir.list(); 1318 if (files != null) { 1319 for (int i=0; i<files.length; i++) { 1320 String fn = files[i]; 1321 if (fn.startsWith("data@app@") 1322 || fn.startsWith("data@app-private@")) { 1323 Slog.i(TAG, "Pruning dalvik file: " + fn); 1324 (new File(dalvikCacheDir, fn)).delete(); 1325 } 1326 } 1327 } 1328 } 1329 1330 // Collect vendor overlay packages. 1331 // (Do this before scanning any apps.) 1332 // For security and version matching reason, only consider 1333 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1334 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1335 mVendorOverlayInstallObserver = new AppDirObserver( 1336 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1337 mVendorOverlayInstallObserver.startWatching(); 1338 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1339 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1340 1341 // Find base frameworks (resource packages without code). 1342 mFrameworkInstallObserver = new AppDirObserver( 1343 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1344 mFrameworkInstallObserver.startWatching(); 1345 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1346 | PackageParser.PARSE_IS_SYSTEM_DIR 1347 | PackageParser.PARSE_IS_PRIVILEGED, 1348 scanMode | SCAN_NO_DEX, 0); 1349 1350 // Collected privileged system packages. 1351 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1352 mPrivilegedInstallObserver = new AppDirObserver( 1353 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1354 mPrivilegedInstallObserver.startWatching(); 1355 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1356 | PackageParser.PARSE_IS_SYSTEM_DIR 1357 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1358 1359 // Collect ordinary system packages. 1360 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1361 mSystemInstallObserver = new AppDirObserver( 1362 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1363 mSystemInstallObserver.startWatching(); 1364 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1365 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1366 1367 // Collect all vendor packages. 1368 File vendorAppDir = new File("/vendor/app"); 1369 try { 1370 vendorAppDir = vendorAppDir.getCanonicalFile(); 1371 } catch (IOException e) { 1372 // failed to look up canonical path, continue with original one 1373 } 1374 mVendorInstallObserver = new AppDirObserver( 1375 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1376 mVendorInstallObserver.startWatching(); 1377 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1378 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1379 1380 // Collect all OEM packages. 1381 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1382 mOemInstallObserver = new AppDirObserver( 1383 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1384 mOemInstallObserver.startWatching(); 1385 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1386 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1387 1388 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1389 mInstaller.moveFiles(); 1390 1391 // Prune any system packages that no longer exist. 1392 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1393 if (!mOnlyCore) { 1394 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1395 while (psit.hasNext()) { 1396 PackageSetting ps = psit.next(); 1397 1398 /* 1399 * If this is not a system app, it can't be a 1400 * disable system app. 1401 */ 1402 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1403 continue; 1404 } 1405 1406 /* 1407 * If the package is scanned, it's not erased. 1408 */ 1409 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1410 if (scannedPkg != null) { 1411 /* 1412 * If the system app is both scanned and in the 1413 * disabled packages list, then it must have been 1414 * added via OTA. Remove it from the currently 1415 * scanned package so the previously user-installed 1416 * application can be scanned. 1417 */ 1418 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1419 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1420 + "; removing system app"); 1421 removePackageLI(ps, true); 1422 } 1423 1424 continue; 1425 } 1426 1427 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1428 psit.remove(); 1429 String msg = "System package " + ps.name 1430 + " no longer exists; wiping its data"; 1431 reportSettingsProblem(Log.WARN, msg); 1432 removeDataDirsLI(ps.name); 1433 } else { 1434 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1435 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1436 possiblyDeletedUpdatedSystemApps.add(ps.name); 1437 } 1438 } 1439 } 1440 } 1441 1442 //look for any incomplete package installations 1443 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1444 //clean up list 1445 for(int i = 0; i < deletePkgsList.size(); i++) { 1446 //clean up here 1447 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1448 } 1449 //delete tmp files 1450 deleteTempPackageFiles(); 1451 1452 // Remove any shared userIDs that have no associated packages 1453 mSettings.pruneSharedUsersLPw(); 1454 1455 if (!mOnlyCore) { 1456 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1457 SystemClock.uptimeMillis()); 1458 mAppInstallObserver = new AppDirObserver( 1459 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1460 mAppInstallObserver.startWatching(); 1461 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1462 1463 mDrmAppInstallObserver = new AppDirObserver( 1464 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1465 mDrmAppInstallObserver.startWatching(); 1466 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1467 scanMode, 0); 1468 1469 /** 1470 * Remove disable package settings for any updated system 1471 * apps that were removed via an OTA. If they're not a 1472 * previously-updated app, remove them completely. 1473 * Otherwise, just revoke their system-level permissions. 1474 */ 1475 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1476 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1477 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1478 1479 String msg; 1480 if (deletedPkg == null) { 1481 msg = "Updated system package " + deletedAppName 1482 + " no longer exists; wiping its data"; 1483 removeDataDirsLI(deletedAppName); 1484 } else { 1485 msg = "Updated system app + " + deletedAppName 1486 + " no longer present; removing system privileges for " 1487 + deletedAppName; 1488 1489 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1490 1491 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1492 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1493 } 1494 reportSettingsProblem(Log.WARN, msg); 1495 } 1496 } else { 1497 mAppInstallObserver = null; 1498 mDrmAppInstallObserver = null; 1499 } 1500 1501 // Now that we know all of the shared libraries, update all clients to have 1502 // the correct library paths. 1503 updateAllSharedLibrariesLPw(); 1504 1505 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1506 SystemClock.uptimeMillis()); 1507 Slog.i(TAG, "Time to scan packages: " 1508 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1509 + " seconds"); 1510 1511 // If the platform SDK has changed since the last time we booted, 1512 // we need to re-grant app permission to catch any new ones that 1513 // appear. This is really a hack, and means that apps can in some 1514 // cases get permissions that the user didn't initially explicitly 1515 // allow... it would be nice to have some better way to handle 1516 // this situation. 1517 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1518 != mSdkVersion; 1519 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1520 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1521 + "; regranting permissions for internal storage"); 1522 mSettings.mInternalSdkPlatform = mSdkVersion; 1523 1524 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1525 | (regrantPermissions 1526 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1527 : 0)); 1528 1529 // If this is the first boot, and it is a normal boot, then 1530 // we need to initialize the default preferred apps. 1531 if (!mRestoredSettings && !onlyCore) { 1532 mSettings.readDefaultPreferredAppsLPw(this, 0); 1533 } 1534 1535 // can downgrade to reader 1536 mSettings.writeLPr(); 1537 1538 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1539 SystemClock.uptimeMillis()); 1540 1541 // Now after opening every single application zip, make sure they 1542 // are all flushed. Not really needed, but keeps things nice and 1543 // tidy. 1544 Runtime.getRuntime().gc(); 1545 1546 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1547 } // synchronized (mPackages) 1548 } // synchronized (mInstallLock) 1549 } 1550 1551 public boolean isFirstBoot() { 1552 return !mRestoredSettings; 1553 } 1554 1555 public boolean isOnlyCoreApps() { 1556 return mOnlyCore; 1557 } 1558 1559 private String getRequiredVerifierLPr() { 1560 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1561 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1562 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1563 1564 String requiredVerifier = null; 1565 1566 final int N = receivers.size(); 1567 for (int i = 0; i < N; i++) { 1568 final ResolveInfo info = receivers.get(i); 1569 1570 if (info.activityInfo == null) { 1571 continue; 1572 } 1573 1574 final String packageName = info.activityInfo.packageName; 1575 1576 final PackageSetting ps = mSettings.mPackages.get(packageName); 1577 if (ps == null) { 1578 continue; 1579 } 1580 1581 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1582 if (!gp.grantedPermissions 1583 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1584 continue; 1585 } 1586 1587 if (requiredVerifier != null) { 1588 throw new RuntimeException("There can be only one required verifier"); 1589 } 1590 1591 requiredVerifier = packageName; 1592 } 1593 1594 return requiredVerifier; 1595 } 1596 1597 @Override 1598 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1599 throws RemoteException { 1600 try { 1601 return super.onTransact(code, data, reply, flags); 1602 } catch (RuntimeException e) { 1603 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1604 Slog.wtf(TAG, "Package Manager Crash", e); 1605 } 1606 throw e; 1607 } 1608 } 1609 1610 void cleanupInstallFailedPackage(PackageSetting ps) { 1611 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1612 removeDataDirsLI(ps.name); 1613 if (ps.codePath != null) { 1614 if (!ps.codePath.delete()) { 1615 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1616 } 1617 } 1618 if (ps.resourcePath != null) { 1619 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1620 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1621 } 1622 } 1623 mSettings.removePackageLPw(ps.name); 1624 } 1625 1626 void readPermissions(File libraryDir, boolean onlyFeatures) { 1627 // Read permissions from .../etc/permission directory. 1628 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1629 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1630 return; 1631 } 1632 if (!libraryDir.canRead()) { 1633 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1634 return; 1635 } 1636 1637 // Iterate over the files in the directory and scan .xml files 1638 for (File f : libraryDir.listFiles()) { 1639 // We'll read platform.xml last 1640 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1641 continue; 1642 } 1643 1644 if (!f.getPath().endsWith(".xml")) { 1645 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1646 continue; 1647 } 1648 if (!f.canRead()) { 1649 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1650 continue; 1651 } 1652 1653 readPermissionsFromXml(f, onlyFeatures); 1654 } 1655 1656 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1657 final File permFile = new File(Environment.getRootDirectory(), 1658 "etc/permissions/platform.xml"); 1659 readPermissionsFromXml(permFile, onlyFeatures); 1660 } 1661 1662 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1663 FileReader permReader = null; 1664 try { 1665 permReader = new FileReader(permFile); 1666 } catch (FileNotFoundException e) { 1667 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1668 return; 1669 } 1670 1671 try { 1672 XmlPullParser parser = Xml.newPullParser(); 1673 parser.setInput(permReader); 1674 1675 XmlUtils.beginDocument(parser, "permissions"); 1676 1677 while (true) { 1678 XmlUtils.nextElement(parser); 1679 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1680 break; 1681 } 1682 1683 String name = parser.getName(); 1684 if ("group".equals(name) && !onlyFeatures) { 1685 String gidStr = parser.getAttributeValue(null, "gid"); 1686 if (gidStr != null) { 1687 int gid = Process.getGidForName(gidStr); 1688 mGlobalGids = appendInt(mGlobalGids, gid); 1689 } else { 1690 Slog.w(TAG, "<group> without gid at " 1691 + parser.getPositionDescription()); 1692 } 1693 1694 XmlUtils.skipCurrentTag(parser); 1695 continue; 1696 } else if ("permission".equals(name) && !onlyFeatures) { 1697 String perm = parser.getAttributeValue(null, "name"); 1698 if (perm == null) { 1699 Slog.w(TAG, "<permission> without name at " 1700 + parser.getPositionDescription()); 1701 XmlUtils.skipCurrentTag(parser); 1702 continue; 1703 } 1704 perm = perm.intern(); 1705 readPermission(parser, perm); 1706 1707 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1708 String perm = parser.getAttributeValue(null, "name"); 1709 if (perm == null) { 1710 Slog.w(TAG, "<assign-permission> without name at " 1711 + parser.getPositionDescription()); 1712 XmlUtils.skipCurrentTag(parser); 1713 continue; 1714 } 1715 String uidStr = parser.getAttributeValue(null, "uid"); 1716 if (uidStr == null) { 1717 Slog.w(TAG, "<assign-permission> without uid at " 1718 + parser.getPositionDescription()); 1719 XmlUtils.skipCurrentTag(parser); 1720 continue; 1721 } 1722 int uid = Process.getUidForName(uidStr); 1723 if (uid < 0) { 1724 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1725 + uidStr + "\" at " 1726 + parser.getPositionDescription()); 1727 XmlUtils.skipCurrentTag(parser); 1728 continue; 1729 } 1730 perm = perm.intern(); 1731 HashSet<String> perms = mSystemPermissions.get(uid); 1732 if (perms == null) { 1733 perms = new HashSet<String>(); 1734 mSystemPermissions.put(uid, perms); 1735 } 1736 perms.add(perm); 1737 XmlUtils.skipCurrentTag(parser); 1738 1739 } else if ("library".equals(name) && !onlyFeatures) { 1740 String lname = parser.getAttributeValue(null, "name"); 1741 String lfile = parser.getAttributeValue(null, "file"); 1742 if (lname == null) { 1743 Slog.w(TAG, "<library> without name at " 1744 + parser.getPositionDescription()); 1745 } else if (lfile == null) { 1746 Slog.w(TAG, "<library> without file at " 1747 + parser.getPositionDescription()); 1748 } else { 1749 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1750 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1751 } 1752 XmlUtils.skipCurrentTag(parser); 1753 continue; 1754 1755 } else if ("feature".equals(name)) { 1756 String fname = parser.getAttributeValue(null, "name"); 1757 if (fname == null) { 1758 Slog.w(TAG, "<feature> without name at " 1759 + parser.getPositionDescription()); 1760 } else { 1761 //Log.i(TAG, "Got feature " + fname); 1762 FeatureInfo fi = new FeatureInfo(); 1763 fi.name = fname; 1764 mAvailableFeatures.put(fname, fi); 1765 } 1766 XmlUtils.skipCurrentTag(parser); 1767 continue; 1768 1769 } else { 1770 XmlUtils.skipCurrentTag(parser); 1771 continue; 1772 } 1773 1774 } 1775 permReader.close(); 1776 } catch (XmlPullParserException e) { 1777 Slog.w(TAG, "Got execption parsing permissions.", e); 1778 } catch (IOException e) { 1779 Slog.w(TAG, "Got execption parsing permissions.", e); 1780 } 1781 } 1782 1783 void readPermission(XmlPullParser parser, String name) 1784 throws IOException, XmlPullParserException { 1785 1786 name = name.intern(); 1787 1788 BasePermission bp = mSettings.mPermissions.get(name); 1789 if (bp == null) { 1790 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1791 mSettings.mPermissions.put(name, bp); 1792 } 1793 int outerDepth = parser.getDepth(); 1794 int type; 1795 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1796 && (type != XmlPullParser.END_TAG 1797 || parser.getDepth() > outerDepth)) { 1798 if (type == XmlPullParser.END_TAG 1799 || type == XmlPullParser.TEXT) { 1800 continue; 1801 } 1802 1803 String tagName = parser.getName(); 1804 if ("group".equals(tagName)) { 1805 String gidStr = parser.getAttributeValue(null, "gid"); 1806 if (gidStr != null) { 1807 int gid = Process.getGidForName(gidStr); 1808 bp.gids = appendInt(bp.gids, gid); 1809 } else { 1810 Slog.w(TAG, "<group> without gid at " 1811 + parser.getPositionDescription()); 1812 } 1813 } 1814 XmlUtils.skipCurrentTag(parser); 1815 } 1816 } 1817 1818 static int[] appendInts(int[] cur, int[] add) { 1819 if (add == null) return cur; 1820 if (cur == null) return add; 1821 final int N = add.length; 1822 for (int i=0; i<N; i++) { 1823 cur = appendInt(cur, add[i]); 1824 } 1825 return cur; 1826 } 1827 1828 static int[] removeInts(int[] cur, int[] rem) { 1829 if (rem == null) return cur; 1830 if (cur == null) return cur; 1831 final int N = rem.length; 1832 for (int i=0; i<N; i++) { 1833 cur = removeInt(cur, rem[i]); 1834 } 1835 return cur; 1836 } 1837 1838 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1839 if (!sUserManager.exists(userId)) return null; 1840 PackageInfo pi; 1841 final PackageSetting ps = (PackageSetting) p.mExtras; 1842 if (ps == null) { 1843 return null; 1844 } 1845 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1846 final PackageUserState state = ps.readUserState(userId); 1847 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1848 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1849 state, userId); 1850 } 1851 1852 public boolean isPackageAvailable(String packageName, int userId) { 1853 if (!sUserManager.exists(userId)) return false; 1854 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1855 synchronized (mPackages) { 1856 PackageParser.Package p = mPackages.get(packageName); 1857 if (p != null) { 1858 final PackageSetting ps = (PackageSetting) p.mExtras; 1859 if (ps != null) { 1860 final PackageUserState state = ps.readUserState(userId); 1861 if (state != null) { 1862 return PackageParser.isAvailable(state); 1863 } 1864 } 1865 } 1866 } 1867 return false; 1868 } 1869 1870 @Override 1871 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1872 if (!sUserManager.exists(userId)) return null; 1873 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1874 // reader 1875 synchronized (mPackages) { 1876 PackageParser.Package p = mPackages.get(packageName); 1877 if (DEBUG_PACKAGE_INFO) 1878 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1879 if (p != null) { 1880 return generatePackageInfo(p, flags, userId); 1881 } 1882 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1883 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1884 } 1885 } 1886 return null; 1887 } 1888 1889 public String[] currentToCanonicalPackageNames(String[] names) { 1890 String[] out = new String[names.length]; 1891 // reader 1892 synchronized (mPackages) { 1893 for (int i=names.length-1; i>=0; i--) { 1894 PackageSetting ps = mSettings.mPackages.get(names[i]); 1895 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1896 } 1897 } 1898 return out; 1899 } 1900 1901 public String[] canonicalToCurrentPackageNames(String[] names) { 1902 String[] out = new String[names.length]; 1903 // reader 1904 synchronized (mPackages) { 1905 for (int i=names.length-1; i>=0; i--) { 1906 String cur = mSettings.mRenamedPackages.get(names[i]); 1907 out[i] = cur != null ? cur : names[i]; 1908 } 1909 } 1910 return out; 1911 } 1912 1913 @Override 1914 public int getPackageUid(String packageName, int userId) { 1915 if (!sUserManager.exists(userId)) return -1; 1916 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1917 // reader 1918 synchronized (mPackages) { 1919 PackageParser.Package p = mPackages.get(packageName); 1920 if(p != null) { 1921 return UserHandle.getUid(userId, p.applicationInfo.uid); 1922 } 1923 PackageSetting ps = mSettings.mPackages.get(packageName); 1924 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1925 return -1; 1926 } 1927 p = ps.pkg; 1928 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1929 } 1930 } 1931 1932 @Override 1933 public int[] getPackageGids(String packageName) { 1934 // reader 1935 synchronized (mPackages) { 1936 PackageParser.Package p = mPackages.get(packageName); 1937 if (DEBUG_PACKAGE_INFO) 1938 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1939 if (p != null) { 1940 final PackageSetting ps = (PackageSetting)p.mExtras; 1941 return ps.getGids(); 1942 } 1943 } 1944 // stupid thing to indicate an error. 1945 return new int[0]; 1946 } 1947 1948 static final PermissionInfo generatePermissionInfo( 1949 BasePermission bp, int flags) { 1950 if (bp.perm != null) { 1951 return PackageParser.generatePermissionInfo(bp.perm, flags); 1952 } 1953 PermissionInfo pi = new PermissionInfo(); 1954 pi.name = bp.name; 1955 pi.packageName = bp.sourcePackage; 1956 pi.nonLocalizedLabel = bp.name; 1957 pi.protectionLevel = bp.protectionLevel; 1958 return pi; 1959 } 1960 1961 public PermissionInfo getPermissionInfo(String name, int flags) { 1962 // reader 1963 synchronized (mPackages) { 1964 final BasePermission p = mSettings.mPermissions.get(name); 1965 if (p != null) { 1966 return generatePermissionInfo(p, flags); 1967 } 1968 return null; 1969 } 1970 } 1971 1972 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 1973 // reader 1974 synchronized (mPackages) { 1975 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 1976 for (BasePermission p : mSettings.mPermissions.values()) { 1977 if (group == null) { 1978 if (p.perm == null || p.perm.info.group == null) { 1979 out.add(generatePermissionInfo(p, flags)); 1980 } 1981 } else { 1982 if (p.perm != null && group.equals(p.perm.info.group)) { 1983 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 1984 } 1985 } 1986 } 1987 1988 if (out.size() > 0) { 1989 return out; 1990 } 1991 return mPermissionGroups.containsKey(group) ? out : null; 1992 } 1993 } 1994 1995 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 1996 // reader 1997 synchronized (mPackages) { 1998 return PackageParser.generatePermissionGroupInfo( 1999 mPermissionGroups.get(name), flags); 2000 } 2001 } 2002 2003 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2004 // reader 2005 synchronized (mPackages) { 2006 final int N = mPermissionGroups.size(); 2007 ArrayList<PermissionGroupInfo> out 2008 = new ArrayList<PermissionGroupInfo>(N); 2009 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2010 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2011 } 2012 return out; 2013 } 2014 } 2015 2016 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2017 int userId) { 2018 if (!sUserManager.exists(userId)) return null; 2019 PackageSetting ps = mSettings.mPackages.get(packageName); 2020 if (ps != null) { 2021 if (ps.pkg == null) { 2022 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2023 flags, userId); 2024 if (pInfo != null) { 2025 return pInfo.applicationInfo; 2026 } 2027 return null; 2028 } 2029 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2030 ps.readUserState(userId), userId); 2031 } 2032 return null; 2033 } 2034 2035 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2036 int userId) { 2037 if (!sUserManager.exists(userId)) return null; 2038 PackageSetting ps = mSettings.mPackages.get(packageName); 2039 if (ps != null) { 2040 PackageParser.Package pkg = ps.pkg; 2041 if (pkg == null) { 2042 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2043 return null; 2044 } 2045 pkg = new PackageParser.Package(packageName); 2046 pkg.applicationInfo.packageName = packageName; 2047 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2048 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2049 pkg.applicationInfo.sourceDir = ps.codePathString; 2050 pkg.applicationInfo.dataDir = 2051 getDataPathForPackage(packageName, 0).getPath(); 2052 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2053 pkg.applicationInfo.requiredCpuAbi = ps.requiredCpuAbiString; 2054 } 2055 return generatePackageInfo(pkg, flags, userId); 2056 } 2057 return null; 2058 } 2059 2060 @Override 2061 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2062 if (!sUserManager.exists(userId)) return null; 2063 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2064 // writer 2065 synchronized (mPackages) { 2066 PackageParser.Package p = mPackages.get(packageName); 2067 if (DEBUG_PACKAGE_INFO) Log.v( 2068 TAG, "getApplicationInfo " + packageName 2069 + ": " + p); 2070 if (p != null) { 2071 PackageSetting ps = mSettings.mPackages.get(packageName); 2072 if (ps == null) return null; 2073 // Note: isEnabledLP() does not apply here - always return info 2074 return PackageParser.generateApplicationInfo( 2075 p, flags, ps.readUserState(userId), userId); 2076 } 2077 if ("android".equals(packageName)||"system".equals(packageName)) { 2078 return mAndroidApplication; 2079 } 2080 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2081 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2082 } 2083 } 2084 return null; 2085 } 2086 2087 2088 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2089 mContext.enforceCallingOrSelfPermission( 2090 android.Manifest.permission.CLEAR_APP_CACHE, null); 2091 // Queue up an async operation since clearing cache may take a little while. 2092 mHandler.post(new Runnable() { 2093 public void run() { 2094 mHandler.removeCallbacks(this); 2095 int retCode = -1; 2096 synchronized (mInstallLock) { 2097 retCode = mInstaller.freeCache(freeStorageSize); 2098 if (retCode < 0) { 2099 Slog.w(TAG, "Couldn't clear application caches"); 2100 } 2101 } 2102 if (observer != null) { 2103 try { 2104 observer.onRemoveCompleted(null, (retCode >= 0)); 2105 } catch (RemoteException e) { 2106 Slog.w(TAG, "RemoveException when invoking call back"); 2107 } 2108 } 2109 } 2110 }); 2111 } 2112 2113 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2114 mContext.enforceCallingOrSelfPermission( 2115 android.Manifest.permission.CLEAR_APP_CACHE, null); 2116 // Queue up an async operation since clearing cache may take a little while. 2117 mHandler.post(new Runnable() { 2118 public void run() { 2119 mHandler.removeCallbacks(this); 2120 int retCode = -1; 2121 synchronized (mInstallLock) { 2122 retCode = mInstaller.freeCache(freeStorageSize); 2123 if (retCode < 0) { 2124 Slog.w(TAG, "Couldn't clear application caches"); 2125 } 2126 } 2127 if(pi != null) { 2128 try { 2129 // Callback via pending intent 2130 int code = (retCode >= 0) ? 1 : 0; 2131 pi.sendIntent(null, code, null, 2132 null, null); 2133 } catch (SendIntentException e1) { 2134 Slog.i(TAG, "Failed to send pending intent"); 2135 } 2136 } 2137 } 2138 }); 2139 } 2140 2141 @Override 2142 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2143 if (!sUserManager.exists(userId)) return null; 2144 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2145 synchronized (mPackages) { 2146 PackageParser.Activity a = mActivities.mActivities.get(component); 2147 2148 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2149 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2150 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2151 if (ps == null) return null; 2152 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2153 userId); 2154 } 2155 if (mResolveComponentName.equals(component)) { 2156 return mResolveActivity; 2157 } 2158 } 2159 return null; 2160 } 2161 2162 @Override 2163 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2164 String resolvedType) { 2165 synchronized (mPackages) { 2166 PackageParser.Activity a = mActivities.mActivities.get(component); 2167 if (a == null) { 2168 return false; 2169 } 2170 for (int i=0; i<a.intents.size(); i++) { 2171 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2172 intent.getData(), intent.getCategories(), TAG) >= 0) { 2173 return true; 2174 } 2175 } 2176 return false; 2177 } 2178 } 2179 2180 @Override 2181 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2182 if (!sUserManager.exists(userId)) return null; 2183 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2184 synchronized (mPackages) { 2185 PackageParser.Activity a = mReceivers.mActivities.get(component); 2186 if (DEBUG_PACKAGE_INFO) Log.v( 2187 TAG, "getReceiverInfo " + component + ": " + a); 2188 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2189 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2190 if (ps == null) return null; 2191 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2192 userId); 2193 } 2194 } 2195 return null; 2196 } 2197 2198 @Override 2199 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2200 if (!sUserManager.exists(userId)) return null; 2201 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2202 synchronized (mPackages) { 2203 PackageParser.Service s = mServices.mServices.get(component); 2204 if (DEBUG_PACKAGE_INFO) Log.v( 2205 TAG, "getServiceInfo " + component + ": " + s); 2206 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2207 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2208 if (ps == null) return null; 2209 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2210 userId); 2211 } 2212 } 2213 return null; 2214 } 2215 2216 @Override 2217 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2218 if (!sUserManager.exists(userId)) return null; 2219 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2220 synchronized (mPackages) { 2221 PackageParser.Provider p = mProviders.mProviders.get(component); 2222 if (DEBUG_PACKAGE_INFO) Log.v( 2223 TAG, "getProviderInfo " + component + ": " + p); 2224 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2225 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2226 if (ps == null) return null; 2227 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2228 userId); 2229 } 2230 } 2231 return null; 2232 } 2233 2234 public String[] getSystemSharedLibraryNames() { 2235 Set<String> libSet; 2236 synchronized (mPackages) { 2237 libSet = mSharedLibraries.keySet(); 2238 int size = libSet.size(); 2239 if (size > 0) { 2240 String[] libs = new String[size]; 2241 libSet.toArray(libs); 2242 return libs; 2243 } 2244 } 2245 return null; 2246 } 2247 2248 public FeatureInfo[] getSystemAvailableFeatures() { 2249 Collection<FeatureInfo> featSet; 2250 synchronized (mPackages) { 2251 featSet = mAvailableFeatures.values(); 2252 int size = featSet.size(); 2253 if (size > 0) { 2254 FeatureInfo[] features = new FeatureInfo[size+1]; 2255 featSet.toArray(features); 2256 FeatureInfo fi = new FeatureInfo(); 2257 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2258 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2259 features[size] = fi; 2260 return features; 2261 } 2262 } 2263 return null; 2264 } 2265 2266 public boolean hasSystemFeature(String name) { 2267 synchronized (mPackages) { 2268 return mAvailableFeatures.containsKey(name); 2269 } 2270 } 2271 2272 private void checkValidCaller(int uid, int userId) { 2273 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2274 return; 2275 2276 throw new SecurityException("Caller uid=" + uid 2277 + " is not privileged to communicate with user=" + userId); 2278 } 2279 2280 public int checkPermission(String permName, String pkgName) { 2281 synchronized (mPackages) { 2282 PackageParser.Package p = mPackages.get(pkgName); 2283 if (p != null && p.mExtras != null) { 2284 PackageSetting ps = (PackageSetting)p.mExtras; 2285 if (ps.sharedUser != null) { 2286 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2287 return PackageManager.PERMISSION_GRANTED; 2288 } 2289 } else if (ps.grantedPermissions.contains(permName)) { 2290 return PackageManager.PERMISSION_GRANTED; 2291 } 2292 } 2293 } 2294 return PackageManager.PERMISSION_DENIED; 2295 } 2296 2297 public int checkUidPermission(String permName, int uid) { 2298 synchronized (mPackages) { 2299 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2300 if (obj != null) { 2301 GrantedPermissions gp = (GrantedPermissions)obj; 2302 if (gp.grantedPermissions.contains(permName)) { 2303 return PackageManager.PERMISSION_GRANTED; 2304 } 2305 } else { 2306 HashSet<String> perms = mSystemPermissions.get(uid); 2307 if (perms != null && perms.contains(permName)) { 2308 return PackageManager.PERMISSION_GRANTED; 2309 } 2310 } 2311 } 2312 return PackageManager.PERMISSION_DENIED; 2313 } 2314 2315 /** 2316 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2317 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2318 * @param message the message to log on security exception 2319 * @return 2320 */ 2321 private void enforceCrossUserPermission(int callingUid, int userId, 2322 boolean requireFullPermission, String message) { 2323 if (userId < 0) { 2324 throw new IllegalArgumentException("Invalid userId " + userId); 2325 } 2326 if (userId == UserHandle.getUserId(callingUid)) return; 2327 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2328 if (requireFullPermission) { 2329 mContext.enforceCallingOrSelfPermission( 2330 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2331 } else { 2332 try { 2333 mContext.enforceCallingOrSelfPermission( 2334 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2335 } catch (SecurityException se) { 2336 mContext.enforceCallingOrSelfPermission( 2337 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2338 } 2339 } 2340 } 2341 } 2342 2343 private BasePermission findPermissionTreeLP(String permName) { 2344 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2345 if (permName.startsWith(bp.name) && 2346 permName.length() > bp.name.length() && 2347 permName.charAt(bp.name.length()) == '.') { 2348 return bp; 2349 } 2350 } 2351 return null; 2352 } 2353 2354 private BasePermission checkPermissionTreeLP(String permName) { 2355 if (permName != null) { 2356 BasePermission bp = findPermissionTreeLP(permName); 2357 if (bp != null) { 2358 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2359 return bp; 2360 } 2361 throw new SecurityException("Calling uid " 2362 + Binder.getCallingUid() 2363 + " is not allowed to add to permission tree " 2364 + bp.name + " owned by uid " + bp.uid); 2365 } 2366 } 2367 throw new SecurityException("No permission tree found for " + permName); 2368 } 2369 2370 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2371 if (s1 == null) { 2372 return s2 == null; 2373 } 2374 if (s2 == null) { 2375 return false; 2376 } 2377 if (s1.getClass() != s2.getClass()) { 2378 return false; 2379 } 2380 return s1.equals(s2); 2381 } 2382 2383 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2384 if (pi1.icon != pi2.icon) return false; 2385 if (pi1.logo != pi2.logo) return false; 2386 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2387 if (!compareStrings(pi1.name, pi2.name)) return false; 2388 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2389 // We'll take care of setting this one. 2390 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2391 // These are not currently stored in settings. 2392 //if (!compareStrings(pi1.group, pi2.group)) return false; 2393 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2394 //if (pi1.labelRes != pi2.labelRes) return false; 2395 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2396 return true; 2397 } 2398 2399 int permissionInfoFootprint(PermissionInfo info) { 2400 int size = info.name.length(); 2401 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2402 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2403 return size; 2404 } 2405 2406 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2407 int size = 0; 2408 for (BasePermission perm : mSettings.mPermissions.values()) { 2409 if (perm.uid == tree.uid) { 2410 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2411 } 2412 } 2413 return size; 2414 } 2415 2416 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2417 // We calculate the max size of permissions defined by this uid and throw 2418 // if that plus the size of 'info' would exceed our stated maximum. 2419 if (tree.uid != Process.SYSTEM_UID) { 2420 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2421 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2422 throw new SecurityException("Permission tree size cap exceeded"); 2423 } 2424 } 2425 } 2426 2427 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2428 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2429 throw new SecurityException("Label must be specified in permission"); 2430 } 2431 BasePermission tree = checkPermissionTreeLP(info.name); 2432 BasePermission bp = mSettings.mPermissions.get(info.name); 2433 boolean added = bp == null; 2434 boolean changed = true; 2435 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2436 if (added) { 2437 enforcePermissionCapLocked(info, tree); 2438 bp = new BasePermission(info.name, tree.sourcePackage, 2439 BasePermission.TYPE_DYNAMIC); 2440 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2441 throw new SecurityException( 2442 "Not allowed to modify non-dynamic permission " 2443 + info.name); 2444 } else { 2445 if (bp.protectionLevel == fixedLevel 2446 && bp.perm.owner.equals(tree.perm.owner) 2447 && bp.uid == tree.uid 2448 && comparePermissionInfos(bp.perm.info, info)) { 2449 changed = false; 2450 } 2451 } 2452 bp.protectionLevel = fixedLevel; 2453 info = new PermissionInfo(info); 2454 info.protectionLevel = fixedLevel; 2455 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2456 bp.perm.info.packageName = tree.perm.info.packageName; 2457 bp.uid = tree.uid; 2458 if (added) { 2459 mSettings.mPermissions.put(info.name, bp); 2460 } 2461 if (changed) { 2462 if (!async) { 2463 mSettings.writeLPr(); 2464 } else { 2465 scheduleWriteSettingsLocked(); 2466 } 2467 } 2468 return added; 2469 } 2470 2471 public boolean addPermission(PermissionInfo info) { 2472 synchronized (mPackages) { 2473 return addPermissionLocked(info, false); 2474 } 2475 } 2476 2477 public boolean addPermissionAsync(PermissionInfo info) { 2478 synchronized (mPackages) { 2479 return addPermissionLocked(info, true); 2480 } 2481 } 2482 2483 public void removePermission(String name) { 2484 synchronized (mPackages) { 2485 checkPermissionTreeLP(name); 2486 BasePermission bp = mSettings.mPermissions.get(name); 2487 if (bp != null) { 2488 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2489 throw new SecurityException( 2490 "Not allowed to modify non-dynamic permission " 2491 + name); 2492 } 2493 mSettings.mPermissions.remove(name); 2494 mSettings.writeLPr(); 2495 } 2496 } 2497 } 2498 2499 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2500 int index = pkg.requestedPermissions.indexOf(bp.name); 2501 if (index == -1) { 2502 throw new SecurityException("Package " + pkg.packageName 2503 + " has not requested permission " + bp.name); 2504 } 2505 boolean isNormal = 2506 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2507 == PermissionInfo.PROTECTION_NORMAL); 2508 boolean isDangerous = 2509 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2510 == PermissionInfo.PROTECTION_DANGEROUS); 2511 boolean isDevelopment = 2512 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2513 2514 if (!isNormal && !isDangerous && !isDevelopment) { 2515 throw new SecurityException("Permission " + bp.name 2516 + " is not a changeable permission type"); 2517 } 2518 2519 if (isNormal || isDangerous) { 2520 if (pkg.requestedPermissionsRequired.get(index)) { 2521 throw new SecurityException("Can't change " + bp.name 2522 + ". It is required by the application"); 2523 } 2524 } 2525 } 2526 2527 public void grantPermission(String packageName, String permissionName) { 2528 mContext.enforceCallingOrSelfPermission( 2529 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2530 synchronized (mPackages) { 2531 final PackageParser.Package pkg = mPackages.get(packageName); 2532 if (pkg == null) { 2533 throw new IllegalArgumentException("Unknown package: " + packageName); 2534 } 2535 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2536 if (bp == null) { 2537 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2538 } 2539 2540 checkGrantRevokePermissions(pkg, bp); 2541 2542 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2543 if (ps == null) { 2544 return; 2545 } 2546 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2547 if (gp.grantedPermissions.add(permissionName)) { 2548 if (ps.haveGids) { 2549 gp.gids = appendInts(gp.gids, bp.gids); 2550 } 2551 mSettings.writeLPr(); 2552 } 2553 } 2554 } 2555 2556 public void revokePermission(String packageName, String permissionName) { 2557 int changedAppId = -1; 2558 2559 synchronized (mPackages) { 2560 final PackageParser.Package pkg = mPackages.get(packageName); 2561 if (pkg == null) { 2562 throw new IllegalArgumentException("Unknown package: " + packageName); 2563 } 2564 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2565 mContext.enforceCallingOrSelfPermission( 2566 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2567 } 2568 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2569 if (bp == null) { 2570 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2571 } 2572 2573 checkGrantRevokePermissions(pkg, bp); 2574 2575 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2576 if (ps == null) { 2577 return; 2578 } 2579 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2580 if (gp.grantedPermissions.remove(permissionName)) { 2581 gp.grantedPermissions.remove(permissionName); 2582 if (ps.haveGids) { 2583 gp.gids = removeInts(gp.gids, bp.gids); 2584 } 2585 mSettings.writeLPr(); 2586 changedAppId = ps.appId; 2587 } 2588 } 2589 2590 if (changedAppId >= 0) { 2591 // We changed the perm on someone, kill its processes. 2592 IActivityManager am = ActivityManagerNative.getDefault(); 2593 if (am != null) { 2594 final int callingUserId = UserHandle.getCallingUserId(); 2595 final long ident = Binder.clearCallingIdentity(); 2596 try { 2597 //XXX we should only revoke for the calling user's app permissions, 2598 // but for now we impact all users. 2599 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2600 // "revoke " + permissionName); 2601 int[] users = sUserManager.getUserIds(); 2602 for (int user : users) { 2603 am.killUid(UserHandle.getUid(user, changedAppId), 2604 "revoke " + permissionName); 2605 } 2606 } catch (RemoteException e) { 2607 } finally { 2608 Binder.restoreCallingIdentity(ident); 2609 } 2610 } 2611 } 2612 } 2613 2614 public boolean isProtectedBroadcast(String actionName) { 2615 synchronized (mPackages) { 2616 return mProtectedBroadcasts.contains(actionName); 2617 } 2618 } 2619 2620 public int checkSignatures(String pkg1, String pkg2) { 2621 synchronized (mPackages) { 2622 final PackageParser.Package p1 = mPackages.get(pkg1); 2623 final PackageParser.Package p2 = mPackages.get(pkg2); 2624 if (p1 == null || p1.mExtras == null 2625 || p2 == null || p2.mExtras == null) { 2626 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2627 } 2628 return compareSignatures(p1.mSignatures, p2.mSignatures); 2629 } 2630 } 2631 2632 public int checkUidSignatures(int uid1, int uid2) { 2633 // Map to base uids. 2634 uid1 = UserHandle.getAppId(uid1); 2635 uid2 = UserHandle.getAppId(uid2); 2636 // reader 2637 synchronized (mPackages) { 2638 Signature[] s1; 2639 Signature[] s2; 2640 Object obj = mSettings.getUserIdLPr(uid1); 2641 if (obj != null) { 2642 if (obj instanceof SharedUserSetting) { 2643 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2644 } else if (obj instanceof PackageSetting) { 2645 s1 = ((PackageSetting)obj).signatures.mSignatures; 2646 } else { 2647 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2648 } 2649 } else { 2650 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2651 } 2652 obj = mSettings.getUserIdLPr(uid2); 2653 if (obj != null) { 2654 if (obj instanceof SharedUserSetting) { 2655 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2656 } else if (obj instanceof PackageSetting) { 2657 s2 = ((PackageSetting)obj).signatures.mSignatures; 2658 } else { 2659 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2660 } 2661 } else { 2662 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2663 } 2664 return compareSignatures(s1, s2); 2665 } 2666 } 2667 2668 /** 2669 * Compares two sets of signatures. Returns: 2670 * <br /> 2671 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2672 * <br /> 2673 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2674 * <br /> 2675 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2676 * <br /> 2677 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2678 * <br /> 2679 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2680 */ 2681 static int compareSignatures(Signature[] s1, Signature[] s2) { 2682 if (s1 == null) { 2683 return s2 == null 2684 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2685 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2686 } 2687 2688 if (s2 == null) { 2689 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2690 } 2691 2692 if (s1.length != s2.length) { 2693 return PackageManager.SIGNATURE_NO_MATCH; 2694 } 2695 2696 // Since both signature sets are of size 1, we can compare without HashSets. 2697 if (s1.length == 1) { 2698 return s1[0].equals(s2[0]) ? 2699 PackageManager.SIGNATURE_MATCH : 2700 PackageManager.SIGNATURE_NO_MATCH; 2701 } 2702 2703 HashSet<Signature> set1 = new HashSet<Signature>(); 2704 for (Signature sig : s1) { 2705 set1.add(sig); 2706 } 2707 HashSet<Signature> set2 = new HashSet<Signature>(); 2708 for (Signature sig : s2) { 2709 set2.add(sig); 2710 } 2711 // Make sure s2 contains all signatures in s1. 2712 if (set1.equals(set2)) { 2713 return PackageManager.SIGNATURE_MATCH; 2714 } 2715 return PackageManager.SIGNATURE_NO_MATCH; 2716 } 2717 2718 public String[] getPackagesForUid(int uid) { 2719 uid = UserHandle.getAppId(uid); 2720 // reader 2721 synchronized (mPackages) { 2722 Object obj = mSettings.getUserIdLPr(uid); 2723 if (obj instanceof SharedUserSetting) { 2724 final SharedUserSetting sus = (SharedUserSetting) obj; 2725 final int N = sus.packages.size(); 2726 final String[] res = new String[N]; 2727 final Iterator<PackageSetting> it = sus.packages.iterator(); 2728 int i = 0; 2729 while (it.hasNext()) { 2730 res[i++] = it.next().name; 2731 } 2732 return res; 2733 } else if (obj instanceof PackageSetting) { 2734 final PackageSetting ps = (PackageSetting) obj; 2735 return new String[] { ps.name }; 2736 } 2737 } 2738 return null; 2739 } 2740 2741 public String getNameForUid(int uid) { 2742 // reader 2743 synchronized (mPackages) { 2744 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2745 if (obj instanceof SharedUserSetting) { 2746 final SharedUserSetting sus = (SharedUserSetting) obj; 2747 return sus.name + ":" + sus.userId; 2748 } else if (obj instanceof PackageSetting) { 2749 final PackageSetting ps = (PackageSetting) obj; 2750 return ps.name; 2751 } 2752 } 2753 return null; 2754 } 2755 2756 public int getUidForSharedUser(String sharedUserName) { 2757 if(sharedUserName == null) { 2758 return -1; 2759 } 2760 // reader 2761 synchronized (mPackages) { 2762 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2763 if (suid == null) { 2764 return -1; 2765 } 2766 return suid.userId; 2767 } 2768 } 2769 2770 public int getFlagsForUid(int uid) { 2771 synchronized (mPackages) { 2772 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2773 if (obj instanceof SharedUserSetting) { 2774 final SharedUserSetting sus = (SharedUserSetting) obj; 2775 return sus.pkgFlags; 2776 } else if (obj instanceof PackageSetting) { 2777 final PackageSetting ps = (PackageSetting) obj; 2778 return ps.pkgFlags; 2779 } 2780 } 2781 return 0; 2782 } 2783 2784 @Override 2785 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2786 int flags, int userId) { 2787 if (!sUserManager.exists(userId)) return null; 2788 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2789 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2790 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2791 } 2792 2793 @Override 2794 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2795 IntentFilter filter, int match, ComponentName activity) { 2796 final int userId = UserHandle.getCallingUserId(); 2797 if (DEBUG_PREFERRED) { 2798 Log.v(TAG, "setLastChosenActivity intent=" + intent 2799 + " resolvedType=" + resolvedType 2800 + " flags=" + flags 2801 + " filter=" + filter 2802 + " match=" + match 2803 + " activity=" + activity); 2804 filter.dump(new PrintStreamPrinter(System.out), " "); 2805 } 2806 intent.setComponent(null); 2807 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2808 // Find any earlier preferred or last chosen entries and nuke them 2809 findPreferredActivity(intent, resolvedType, 2810 flags, query, 0, false, true, false, userId); 2811 // Add the new activity as the last chosen for this filter 2812 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2813 } 2814 2815 @Override 2816 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2817 final int userId = UserHandle.getCallingUserId(); 2818 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2819 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2820 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2821 false, false, false, userId); 2822 } 2823 2824 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2825 int flags, List<ResolveInfo> query, int userId) { 2826 if (query != null) { 2827 final int N = query.size(); 2828 if (N == 1) { 2829 return query.get(0); 2830 } else if (N > 1) { 2831 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2832 // If there is more than one activity with the same priority, 2833 // then let the user decide between them. 2834 ResolveInfo r0 = query.get(0); 2835 ResolveInfo r1 = query.get(1); 2836 if (DEBUG_INTENT_MATCHING || debug) { 2837 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2838 + r1.activityInfo.name + "=" + r1.priority); 2839 } 2840 // If the first activity has a higher priority, or a different 2841 // default, then it is always desireable to pick it. 2842 if (r0.priority != r1.priority 2843 || r0.preferredOrder != r1.preferredOrder 2844 || r0.isDefault != r1.isDefault) { 2845 return query.get(0); 2846 } 2847 // If we have saved a preference for a preferred activity for 2848 // this Intent, use that. 2849 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2850 flags, query, r0.priority, true, false, debug, userId); 2851 if (ri != null) { 2852 return ri; 2853 } 2854 if (userId != 0) { 2855 ri = new ResolveInfo(mResolveInfo); 2856 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2857 ri.activityInfo.applicationInfo = new ApplicationInfo( 2858 ri.activityInfo.applicationInfo); 2859 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2860 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2861 return ri; 2862 } 2863 return mResolveInfo; 2864 } 2865 } 2866 return null; 2867 } 2868 2869 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2870 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2871 final int N = query.size(); 2872 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2873 .get(userId); 2874 // Get the list of persistent preferred activities that handle the intent 2875 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 2876 List<PersistentPreferredActivity> pprefs = ppir != null 2877 ? ppir.queryIntent(intent, resolvedType, 2878 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2879 : null; 2880 if (pprefs != null && pprefs.size() > 0) { 2881 final int M = pprefs.size(); 2882 for (int i=0; i<M; i++) { 2883 final PersistentPreferredActivity ppa = pprefs.get(i); 2884 if (DEBUG_PREFERRED || debug) { 2885 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 2886 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 2887 + "\n component=" + ppa.mComponent); 2888 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2889 } 2890 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 2891 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2892 if (DEBUG_PREFERRED || debug) { 2893 Slog.v(TAG, "Found persistent preferred activity:"); 2894 if (ai != null) { 2895 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2896 } else { 2897 Slog.v(TAG, " null"); 2898 } 2899 } 2900 if (ai == null) { 2901 // This previously registered persistent preferred activity 2902 // component is no longer known. Ignore it and do NOT remove it. 2903 continue; 2904 } 2905 for (int j=0; j<N; j++) { 2906 final ResolveInfo ri = query.get(j); 2907 if (!ri.activityInfo.applicationInfo.packageName 2908 .equals(ai.applicationInfo.packageName)) { 2909 continue; 2910 } 2911 if (!ri.activityInfo.name.equals(ai.name)) { 2912 continue; 2913 } 2914 // Found a persistent preference that can handle the intent. 2915 if (DEBUG_PREFERRED || debug) { 2916 Slog.v(TAG, "Returning persistent preferred activity: " + 2917 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 2918 } 2919 return ri; 2920 } 2921 } 2922 } 2923 return null; 2924 } 2925 2926 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 2927 List<ResolveInfo> query, int priority, boolean always, 2928 boolean removeMatches, boolean debug, int userId) { 2929 if (!sUserManager.exists(userId)) return null; 2930 // writer 2931 synchronized (mPackages) { 2932 if (intent.getSelector() != null) { 2933 intent = intent.getSelector(); 2934 } 2935 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 2936 2937 // Try to find a matching persistent preferred activity. 2938 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 2939 debug, userId); 2940 2941 // If a persistent preferred activity matched, use it. 2942 if (pri != null) { 2943 return pri; 2944 } 2945 2946 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 2947 // Get the list of preferred activities that handle the intent 2948 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 2949 List<PreferredActivity> prefs = pir != null 2950 ? pir.queryIntent(intent, resolvedType, 2951 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2952 : null; 2953 if (prefs != null && prefs.size() > 0) { 2954 // First figure out how good the original match set is. 2955 // We will only allow preferred activities that came 2956 // from the same match quality. 2957 int match = 0; 2958 2959 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 2960 2961 final int N = query.size(); 2962 for (int j=0; j<N; j++) { 2963 final ResolveInfo ri = query.get(j); 2964 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 2965 + ": 0x" + Integer.toHexString(match)); 2966 if (ri.match > match) { 2967 match = ri.match; 2968 } 2969 } 2970 2971 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 2972 + Integer.toHexString(match)); 2973 2974 match &= IntentFilter.MATCH_CATEGORY_MASK; 2975 final int M = prefs.size(); 2976 for (int i=0; i<M; i++) { 2977 final PreferredActivity pa = prefs.get(i); 2978 if (DEBUG_PREFERRED || debug) { 2979 Slog.v(TAG, "Checking PreferredActivity ds=" 2980 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 2981 + "\n component=" + pa.mPref.mComponent); 2982 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2983 } 2984 if (pa.mPref.mMatch != match) { 2985 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 2986 + Integer.toHexString(pa.mPref.mMatch)); 2987 continue; 2988 } 2989 // If it's not an "always" type preferred activity and that's what we're 2990 // looking for, skip it. 2991 if (always && !pa.mPref.mAlways) { 2992 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 2993 continue; 2994 } 2995 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 2996 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2997 if (DEBUG_PREFERRED || debug) { 2998 Slog.v(TAG, "Found preferred activity:"); 2999 if (ai != null) { 3000 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3001 } else { 3002 Slog.v(TAG, " null"); 3003 } 3004 } 3005 if (ai == null) { 3006 // This previously registered preferred activity 3007 // component is no longer known. Most likely an update 3008 // to the app was installed and in the new version this 3009 // component no longer exists. Clean it up by removing 3010 // it from the preferred activities list, and skip it. 3011 Slog.w(TAG, "Removing dangling preferred activity: " 3012 + pa.mPref.mComponent); 3013 pir.removeFilter(pa); 3014 continue; 3015 } 3016 for (int j=0; j<N; j++) { 3017 final ResolveInfo ri = query.get(j); 3018 if (!ri.activityInfo.applicationInfo.packageName 3019 .equals(ai.applicationInfo.packageName)) { 3020 continue; 3021 } 3022 if (!ri.activityInfo.name.equals(ai.name)) { 3023 continue; 3024 } 3025 3026 if (removeMatches) { 3027 pir.removeFilter(pa); 3028 if (DEBUG_PREFERRED) { 3029 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3030 } 3031 break; 3032 } 3033 3034 // Okay we found a previously set preferred or last chosen app. 3035 // If the result set is different from when this 3036 // was created, we need to clear it and re-ask the 3037 // user their preference, if we're looking for an "always" type entry. 3038 if (always && !pa.mPref.sameSet(query, priority)) { 3039 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3040 + intent + " type " + resolvedType); 3041 if (DEBUG_PREFERRED) { 3042 Slog.v(TAG, "Removing preferred activity since set changed " 3043 + pa.mPref.mComponent); 3044 } 3045 pir.removeFilter(pa); 3046 // Re-add the filter as a "last chosen" entry (!always) 3047 PreferredActivity lastChosen = new PreferredActivity( 3048 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3049 pir.addFilter(lastChosen); 3050 mSettings.writePackageRestrictionsLPr(userId); 3051 return null; 3052 } 3053 3054 // Yay! Either the set matched or we're looking for the last chosen 3055 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3056 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3057 mSettings.writePackageRestrictionsLPr(userId); 3058 return ri; 3059 } 3060 } 3061 } 3062 mSettings.writePackageRestrictionsLPr(userId); 3063 } 3064 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3065 return null; 3066 } 3067 3068 @Override 3069 public List<ResolveInfo> queryIntentActivities(Intent intent, 3070 String resolvedType, int flags, int userId) { 3071 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3072 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3073 ComponentName comp = intent.getComponent(); 3074 if (comp == null) { 3075 if (intent.getSelector() != null) { 3076 intent = intent.getSelector(); 3077 comp = intent.getComponent(); 3078 } 3079 } 3080 3081 if (comp != null) { 3082 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3083 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3084 if (ai != null) { 3085 final ResolveInfo ri = new ResolveInfo(); 3086 ri.activityInfo = ai; 3087 list.add(ri); 3088 } 3089 return list; 3090 } 3091 3092 // reader 3093 synchronized (mPackages) { 3094 final String pkgName = intent.getPackage(); 3095 if (pkgName == null) { 3096 return mActivities.queryIntent(intent, resolvedType, flags, userId); 3097 } 3098 final PackageParser.Package pkg = mPackages.get(pkgName); 3099 if (pkg != null) { 3100 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3101 pkg.activities, userId); 3102 } 3103 return new ArrayList<ResolveInfo>(); 3104 } 3105 } 3106 3107 @Override 3108 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3109 Intent[] specifics, String[] specificTypes, Intent intent, 3110 String resolvedType, int flags, int userId) { 3111 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3112 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3113 "query intent activity options"); 3114 final String resultsAction = intent.getAction(); 3115 3116 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3117 | PackageManager.GET_RESOLVED_FILTER, userId); 3118 3119 if (DEBUG_INTENT_MATCHING) { 3120 Log.v(TAG, "Query " + intent + ": " + results); 3121 } 3122 3123 int specificsPos = 0; 3124 int N; 3125 3126 // todo: note that the algorithm used here is O(N^2). This 3127 // isn't a problem in our current environment, but if we start running 3128 // into situations where we have more than 5 or 10 matches then this 3129 // should probably be changed to something smarter... 3130 3131 // First we go through and resolve each of the specific items 3132 // that were supplied, taking care of removing any corresponding 3133 // duplicate items in the generic resolve list. 3134 if (specifics != null) { 3135 for (int i=0; i<specifics.length; i++) { 3136 final Intent sintent = specifics[i]; 3137 if (sintent == null) { 3138 continue; 3139 } 3140 3141 if (DEBUG_INTENT_MATCHING) { 3142 Log.v(TAG, "Specific #" + i + ": " + sintent); 3143 } 3144 3145 String action = sintent.getAction(); 3146 if (resultsAction != null && resultsAction.equals(action)) { 3147 // If this action was explicitly requested, then don't 3148 // remove things that have it. 3149 action = null; 3150 } 3151 3152 ResolveInfo ri = null; 3153 ActivityInfo ai = null; 3154 3155 ComponentName comp = sintent.getComponent(); 3156 if (comp == null) { 3157 ri = resolveIntent( 3158 sintent, 3159 specificTypes != null ? specificTypes[i] : null, 3160 flags, userId); 3161 if (ri == null) { 3162 continue; 3163 } 3164 if (ri == mResolveInfo) { 3165 // ACK! Must do something better with this. 3166 } 3167 ai = ri.activityInfo; 3168 comp = new ComponentName(ai.applicationInfo.packageName, 3169 ai.name); 3170 } else { 3171 ai = getActivityInfo(comp, flags, userId); 3172 if (ai == null) { 3173 continue; 3174 } 3175 } 3176 3177 // Look for any generic query activities that are duplicates 3178 // of this specific one, and remove them from the results. 3179 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3180 N = results.size(); 3181 int j; 3182 for (j=specificsPos; j<N; j++) { 3183 ResolveInfo sri = results.get(j); 3184 if ((sri.activityInfo.name.equals(comp.getClassName()) 3185 && sri.activityInfo.applicationInfo.packageName.equals( 3186 comp.getPackageName())) 3187 || (action != null && sri.filter.matchAction(action))) { 3188 results.remove(j); 3189 if (DEBUG_INTENT_MATCHING) Log.v( 3190 TAG, "Removing duplicate item from " + j 3191 + " due to specific " + specificsPos); 3192 if (ri == null) { 3193 ri = sri; 3194 } 3195 j--; 3196 N--; 3197 } 3198 } 3199 3200 // Add this specific item to its proper place. 3201 if (ri == null) { 3202 ri = new ResolveInfo(); 3203 ri.activityInfo = ai; 3204 } 3205 results.add(specificsPos, ri); 3206 ri.specificIndex = i; 3207 specificsPos++; 3208 } 3209 } 3210 3211 // Now we go through the remaining generic results and remove any 3212 // duplicate actions that are found here. 3213 N = results.size(); 3214 for (int i=specificsPos; i<N-1; i++) { 3215 final ResolveInfo rii = results.get(i); 3216 if (rii.filter == null) { 3217 continue; 3218 } 3219 3220 // Iterate over all of the actions of this result's intent 3221 // filter... typically this should be just one. 3222 final Iterator<String> it = rii.filter.actionsIterator(); 3223 if (it == null) { 3224 continue; 3225 } 3226 while (it.hasNext()) { 3227 final String action = it.next(); 3228 if (resultsAction != null && resultsAction.equals(action)) { 3229 // If this action was explicitly requested, then don't 3230 // remove things that have it. 3231 continue; 3232 } 3233 for (int j=i+1; j<N; j++) { 3234 final ResolveInfo rij = results.get(j); 3235 if (rij.filter != null && rij.filter.hasAction(action)) { 3236 results.remove(j); 3237 if (DEBUG_INTENT_MATCHING) Log.v( 3238 TAG, "Removing duplicate item from " + j 3239 + " due to action " + action + " at " + i); 3240 j--; 3241 N--; 3242 } 3243 } 3244 } 3245 3246 // If the caller didn't request filter information, drop it now 3247 // so we don't have to marshall/unmarshall it. 3248 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3249 rii.filter = null; 3250 } 3251 } 3252 3253 // Filter out the caller activity if so requested. 3254 if (caller != null) { 3255 N = results.size(); 3256 for (int i=0; i<N; i++) { 3257 ActivityInfo ainfo = results.get(i).activityInfo; 3258 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3259 && caller.getClassName().equals(ainfo.name)) { 3260 results.remove(i); 3261 break; 3262 } 3263 } 3264 } 3265 3266 // If the caller didn't request filter information, 3267 // drop them now so we don't have to 3268 // marshall/unmarshall it. 3269 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3270 N = results.size(); 3271 for (int i=0; i<N; i++) { 3272 results.get(i).filter = null; 3273 } 3274 } 3275 3276 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3277 return results; 3278 } 3279 3280 @Override 3281 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3282 int userId) { 3283 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3284 ComponentName comp = intent.getComponent(); 3285 if (comp == null) { 3286 if (intent.getSelector() != null) { 3287 intent = intent.getSelector(); 3288 comp = intent.getComponent(); 3289 } 3290 } 3291 if (comp != null) { 3292 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3293 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3294 if (ai != null) { 3295 ResolveInfo ri = new ResolveInfo(); 3296 ri.activityInfo = ai; 3297 list.add(ri); 3298 } 3299 return list; 3300 } 3301 3302 // reader 3303 synchronized (mPackages) { 3304 String pkgName = intent.getPackage(); 3305 if (pkgName == null) { 3306 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3307 } 3308 final PackageParser.Package pkg = mPackages.get(pkgName); 3309 if (pkg != null) { 3310 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3311 userId); 3312 } 3313 return null; 3314 } 3315 } 3316 3317 @Override 3318 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3319 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3320 if (!sUserManager.exists(userId)) return null; 3321 if (query != null) { 3322 if (query.size() >= 1) { 3323 // If there is more than one service with the same priority, 3324 // just arbitrarily pick the first one. 3325 return query.get(0); 3326 } 3327 } 3328 return null; 3329 } 3330 3331 @Override 3332 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3333 int userId) { 3334 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3335 ComponentName comp = intent.getComponent(); 3336 if (comp == null) { 3337 if (intent.getSelector() != null) { 3338 intent = intent.getSelector(); 3339 comp = intent.getComponent(); 3340 } 3341 } 3342 if (comp != null) { 3343 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3344 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3345 if (si != null) { 3346 final ResolveInfo ri = new ResolveInfo(); 3347 ri.serviceInfo = si; 3348 list.add(ri); 3349 } 3350 return list; 3351 } 3352 3353 // reader 3354 synchronized (mPackages) { 3355 String pkgName = intent.getPackage(); 3356 if (pkgName == null) { 3357 return mServices.queryIntent(intent, resolvedType, flags, userId); 3358 } 3359 final PackageParser.Package pkg = mPackages.get(pkgName); 3360 if (pkg != null) { 3361 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3362 userId); 3363 } 3364 return null; 3365 } 3366 } 3367 3368 @Override 3369 public List<ResolveInfo> queryIntentContentProviders( 3370 Intent intent, String resolvedType, int flags, int userId) { 3371 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3372 ComponentName comp = intent.getComponent(); 3373 if (comp == null) { 3374 if (intent.getSelector() != null) { 3375 intent = intent.getSelector(); 3376 comp = intent.getComponent(); 3377 } 3378 } 3379 if (comp != null) { 3380 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3381 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3382 if (pi != null) { 3383 final ResolveInfo ri = new ResolveInfo(); 3384 ri.providerInfo = pi; 3385 list.add(ri); 3386 } 3387 return list; 3388 } 3389 3390 // reader 3391 synchronized (mPackages) { 3392 String pkgName = intent.getPackage(); 3393 if (pkgName == null) { 3394 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3395 } 3396 final PackageParser.Package pkg = mPackages.get(pkgName); 3397 if (pkg != null) { 3398 return mProviders.queryIntentForPackage( 3399 intent, resolvedType, flags, pkg.providers, userId); 3400 } 3401 return null; 3402 } 3403 } 3404 3405 @Override 3406 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3407 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3408 3409 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3410 3411 // writer 3412 synchronized (mPackages) { 3413 ArrayList<PackageInfo> list; 3414 if (listUninstalled) { 3415 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3416 for (PackageSetting ps : mSettings.mPackages.values()) { 3417 PackageInfo pi; 3418 if (ps.pkg != null) { 3419 pi = generatePackageInfo(ps.pkg, flags, userId); 3420 } else { 3421 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3422 } 3423 if (pi != null) { 3424 list.add(pi); 3425 } 3426 } 3427 } else { 3428 list = new ArrayList<PackageInfo>(mPackages.size()); 3429 for (PackageParser.Package p : mPackages.values()) { 3430 PackageInfo pi = generatePackageInfo(p, flags, userId); 3431 if (pi != null) { 3432 list.add(pi); 3433 } 3434 } 3435 } 3436 3437 return new ParceledListSlice<PackageInfo>(list); 3438 } 3439 } 3440 3441 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3442 String[] permissions, boolean[] tmp, int flags, int userId) { 3443 int numMatch = 0; 3444 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3445 for (int i=0; i<permissions.length; i++) { 3446 if (gp.grantedPermissions.contains(permissions[i])) { 3447 tmp[i] = true; 3448 numMatch++; 3449 } else { 3450 tmp[i] = false; 3451 } 3452 } 3453 if (numMatch == 0) { 3454 return; 3455 } 3456 PackageInfo pi; 3457 if (ps.pkg != null) { 3458 pi = generatePackageInfo(ps.pkg, flags, userId); 3459 } else { 3460 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3461 } 3462 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3463 if (numMatch == permissions.length) { 3464 pi.requestedPermissions = permissions; 3465 } else { 3466 pi.requestedPermissions = new String[numMatch]; 3467 numMatch = 0; 3468 for (int i=0; i<permissions.length; i++) { 3469 if (tmp[i]) { 3470 pi.requestedPermissions[numMatch] = permissions[i]; 3471 numMatch++; 3472 } 3473 } 3474 } 3475 } 3476 list.add(pi); 3477 } 3478 3479 @Override 3480 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3481 String[] permissions, int flags, int userId) { 3482 if (!sUserManager.exists(userId)) return null; 3483 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3484 3485 // writer 3486 synchronized (mPackages) { 3487 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3488 boolean[] tmpBools = new boolean[permissions.length]; 3489 if (listUninstalled) { 3490 for (PackageSetting ps : mSettings.mPackages.values()) { 3491 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3492 } 3493 } else { 3494 for (PackageParser.Package pkg : mPackages.values()) { 3495 PackageSetting ps = (PackageSetting)pkg.mExtras; 3496 if (ps != null) { 3497 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3498 userId); 3499 } 3500 } 3501 } 3502 3503 return new ParceledListSlice<PackageInfo>(list); 3504 } 3505 } 3506 3507 @Override 3508 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3509 if (!sUserManager.exists(userId)) return null; 3510 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3511 3512 // writer 3513 synchronized (mPackages) { 3514 ArrayList<ApplicationInfo> list; 3515 if (listUninstalled) { 3516 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3517 for (PackageSetting ps : mSettings.mPackages.values()) { 3518 ApplicationInfo ai; 3519 if (ps.pkg != null) { 3520 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3521 ps.readUserState(userId), userId); 3522 } else { 3523 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3524 } 3525 if (ai != null) { 3526 list.add(ai); 3527 } 3528 } 3529 } else { 3530 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3531 for (PackageParser.Package p : mPackages.values()) { 3532 if (p.mExtras != null) { 3533 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3534 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3535 if (ai != null) { 3536 list.add(ai); 3537 } 3538 } 3539 } 3540 } 3541 3542 return new ParceledListSlice<ApplicationInfo>(list); 3543 } 3544 } 3545 3546 public List<ApplicationInfo> getPersistentApplications(int flags) { 3547 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3548 3549 // reader 3550 synchronized (mPackages) { 3551 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3552 final int userId = UserHandle.getCallingUserId(); 3553 while (i.hasNext()) { 3554 final PackageParser.Package p = i.next(); 3555 if (p.applicationInfo != null 3556 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3557 && (!mSafeMode || isSystemApp(p))) { 3558 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3559 if (ps != null) { 3560 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3561 ps.readUserState(userId), userId); 3562 if (ai != null) { 3563 finalList.add(ai); 3564 } 3565 } 3566 } 3567 } 3568 } 3569 3570 return finalList; 3571 } 3572 3573 @Override 3574 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3575 if (!sUserManager.exists(userId)) return null; 3576 // reader 3577 synchronized (mPackages) { 3578 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3579 PackageSetting ps = provider != null 3580 ? mSettings.mPackages.get(provider.owner.packageName) 3581 : null; 3582 return ps != null 3583 && mSettings.isEnabledLPr(provider.info, flags, userId) 3584 && (!mSafeMode || (provider.info.applicationInfo.flags 3585 &ApplicationInfo.FLAG_SYSTEM) != 0) 3586 ? PackageParser.generateProviderInfo(provider, flags, 3587 ps.readUserState(userId), userId) 3588 : null; 3589 } 3590 } 3591 3592 /** 3593 * @deprecated 3594 */ 3595 @Deprecated 3596 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3597 // reader 3598 synchronized (mPackages) { 3599 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3600 .entrySet().iterator(); 3601 final int userId = UserHandle.getCallingUserId(); 3602 while (i.hasNext()) { 3603 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3604 PackageParser.Provider p = entry.getValue(); 3605 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3606 3607 if (ps != null && p.syncable 3608 && (!mSafeMode || (p.info.applicationInfo.flags 3609 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3610 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3611 ps.readUserState(userId), userId); 3612 if (info != null) { 3613 outNames.add(entry.getKey()); 3614 outInfo.add(info); 3615 } 3616 } 3617 } 3618 } 3619 } 3620 3621 public List<ProviderInfo> queryContentProviders(String processName, 3622 int uid, int flags) { 3623 ArrayList<ProviderInfo> finalList = null; 3624 // reader 3625 synchronized (mPackages) { 3626 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3627 final int userId = processName != null ? 3628 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3629 while (i.hasNext()) { 3630 final PackageParser.Provider p = i.next(); 3631 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3632 if (ps != null && p.info.authority != null 3633 && (processName == null 3634 || (p.info.processName.equals(processName) 3635 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3636 && mSettings.isEnabledLPr(p.info, flags, userId) 3637 && (!mSafeMode 3638 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3639 if (finalList == null) { 3640 finalList = new ArrayList<ProviderInfo>(3); 3641 } 3642 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3643 ps.readUserState(userId), userId); 3644 if (info != null) { 3645 finalList.add(info); 3646 } 3647 } 3648 } 3649 } 3650 3651 if (finalList != null) { 3652 Collections.sort(finalList, mProviderInitOrderSorter); 3653 } 3654 3655 return finalList; 3656 } 3657 3658 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3659 int flags) { 3660 // reader 3661 synchronized (mPackages) { 3662 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3663 return PackageParser.generateInstrumentationInfo(i, flags); 3664 } 3665 } 3666 3667 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3668 int flags) { 3669 ArrayList<InstrumentationInfo> finalList = 3670 new ArrayList<InstrumentationInfo>(); 3671 3672 // reader 3673 synchronized (mPackages) { 3674 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3675 while (i.hasNext()) { 3676 final PackageParser.Instrumentation p = i.next(); 3677 if (targetPackage == null 3678 || targetPackage.equals(p.info.targetPackage)) { 3679 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3680 flags); 3681 if (ii != null) { 3682 finalList.add(ii); 3683 } 3684 } 3685 } 3686 } 3687 3688 return finalList; 3689 } 3690 3691 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3692 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3693 if (overlays == null) { 3694 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3695 return; 3696 } 3697 for (PackageParser.Package opkg : overlays.values()) { 3698 // Not much to do if idmap fails: we already logged the error 3699 // and we certainly don't want to abort installation of pkg simply 3700 // because an overlay didn't fit properly. For these reasons, 3701 // ignore the return value of createIdmapForPackagePairLI. 3702 createIdmapForPackagePairLI(pkg, opkg); 3703 } 3704 } 3705 3706 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3707 PackageParser.Package opkg) { 3708 if (!opkg.mTrustedOverlay) { 3709 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 3710 opkg.mScanPath + ": overlay not trusted"); 3711 return false; 3712 } 3713 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3714 if (overlaySet == null) { 3715 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 3716 opkg.mScanPath + " but target package has no known overlays"); 3717 return false; 3718 } 3719 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3720 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 3721 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 3722 return false; 3723 } 3724 PackageParser.Package[] overlayArray = 3725 overlaySet.values().toArray(new PackageParser.Package[0]); 3726 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3727 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3728 return p1.mOverlayPriority - p2.mOverlayPriority; 3729 } 3730 }; 3731 Arrays.sort(overlayArray, cmp); 3732 3733 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3734 int i = 0; 3735 for (PackageParser.Package p : overlayArray) { 3736 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 3737 } 3738 return true; 3739 } 3740 3741 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3742 String[] files = dir.list(); 3743 if (files == null) { 3744 Log.d(TAG, "No files in app dir " + dir); 3745 return; 3746 } 3747 3748 if (DEBUG_PACKAGE_SCANNING) { 3749 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3750 + " flags=0x" + Integer.toHexString(flags)); 3751 } 3752 3753 int i; 3754 for (i=0; i<files.length; i++) { 3755 File file = new File(dir, files[i]); 3756 if (!isPackageFilename(files[i])) { 3757 // Ignore entries which are not apk's 3758 continue; 3759 } 3760 PackageParser.Package pkg = scanPackageLI(file, 3761 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3762 // Don't mess around with apps in system partition. 3763 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3764 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3765 // Delete the apk 3766 Slog.w(TAG, "Cleaning up failed install of " + file); 3767 file.delete(); 3768 } 3769 } 3770 } 3771 3772 private static File getSettingsProblemFile() { 3773 File dataDir = Environment.getDataDirectory(); 3774 File systemDir = new File(dataDir, "system"); 3775 File fname = new File(systemDir, "uiderrors.txt"); 3776 return fname; 3777 } 3778 3779 static void reportSettingsProblem(int priority, String msg) { 3780 try { 3781 File fname = getSettingsProblemFile(); 3782 FileOutputStream out = new FileOutputStream(fname, true); 3783 PrintWriter pw = new FastPrintWriter(out); 3784 SimpleDateFormat formatter = new SimpleDateFormat(); 3785 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3786 pw.println(dateString + ": " + msg); 3787 pw.close(); 3788 FileUtils.setPermissions( 3789 fname.toString(), 3790 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3791 -1, -1); 3792 } catch (java.io.IOException e) { 3793 } 3794 Slog.println(priority, TAG, msg); 3795 } 3796 3797 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3798 PackageParser.Package pkg, File srcFile, int parseFlags) { 3799 if (ps != null 3800 && ps.codePath.equals(srcFile) 3801 && ps.timeStamp == srcFile.lastModified()) { 3802 if (ps.signatures.mSignatures != null 3803 && ps.signatures.mSignatures.length != 0) { 3804 // Optimization: reuse the existing cached certificates 3805 // if the package appears to be unchanged. 3806 pkg.mSignatures = ps.signatures.mSignatures; 3807 return true; 3808 } 3809 3810 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3811 } else { 3812 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3813 } 3814 3815 if (!pp.collectCertificates(pkg, parseFlags)) { 3816 mLastScanError = pp.getParseError(); 3817 return false; 3818 } 3819 return true; 3820 } 3821 3822 /* 3823 * Scan a package and return the newly parsed package. 3824 * Returns null in case of errors and the error code is stored in mLastScanError 3825 */ 3826 private PackageParser.Package scanPackageLI(File scanFile, 3827 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3828 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3829 String scanPath = scanFile.getPath(); 3830 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3831 parseFlags |= mDefParseFlags; 3832 PackageParser pp = new PackageParser(scanPath); 3833 pp.setSeparateProcesses(mSeparateProcesses); 3834 pp.setOnlyCoreApps(mOnlyCore); 3835 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3836 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 3837 3838 if (pkg == null) { 3839 mLastScanError = pp.getParseError(); 3840 return null; 3841 } 3842 3843 PackageSetting ps = null; 3844 PackageSetting updatedPkg; 3845 // reader 3846 synchronized (mPackages) { 3847 // Look to see if we already know about this package. 3848 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3849 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3850 // This package has been renamed to its original name. Let's 3851 // use that. 3852 ps = mSettings.peekPackageLPr(oldName); 3853 } 3854 // If there was no original package, see one for the real package name. 3855 if (ps == null) { 3856 ps = mSettings.peekPackageLPr(pkg.packageName); 3857 } 3858 // Check to see if this package could be hiding/updating a system 3859 // package. Must look for it either under the original or real 3860 // package name depending on our state. 3861 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3862 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 3863 } 3864 boolean updatedPkgBetter = false; 3865 // First check if this is a system package that may involve an update 3866 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3867 if (ps != null && !ps.codePath.equals(scanFile)) { 3868 // The path has changed from what was last scanned... check the 3869 // version of the new path against what we have stored to determine 3870 // what to do. 3871 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 3872 if (pkg.mVersionCode < ps.versionCode) { 3873 // The system package has been updated and the code path does not match 3874 // Ignore entry. Skip it. 3875 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3876 + " ignored: updated version " + ps.versionCode 3877 + " better than this " + pkg.mVersionCode); 3878 if (!updatedPkg.codePath.equals(scanFile)) { 3879 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 3880 + ps.name + " changing from " + updatedPkg.codePathString 3881 + " to " + scanFile); 3882 updatedPkg.codePath = scanFile; 3883 updatedPkg.codePathString = scanFile.toString(); 3884 // This is the point at which we know that the system-disk APK 3885 // for this package has moved during a reboot (e.g. due to an OTA), 3886 // so we need to reevaluate it for privilege policy. 3887 if (locationIsPrivileged(scanFile)) { 3888 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 3889 } 3890 } 3891 updatedPkg.pkg = pkg; 3892 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3893 return null; 3894 } else { 3895 // The current app on the system partion is better than 3896 // what we have updated to on the data partition; switch 3897 // back to the system partition version. 3898 // At this point, its safely assumed that package installation for 3899 // apps in system partition will go through. If not there won't be a working 3900 // version of the app 3901 // writer 3902 synchronized (mPackages) { 3903 // Just remove the loaded entries from package lists. 3904 mPackages.remove(ps.name); 3905 } 3906 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3907 + "reverting from " + ps.codePathString 3908 + ": new version " + pkg.mVersionCode 3909 + " better than installed " + ps.versionCode); 3910 3911 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3912 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3913 synchronized (mInstallLock) { 3914 args.cleanUpResourcesLI(); 3915 } 3916 synchronized (mPackages) { 3917 mSettings.enableSystemPackageLPw(ps.name); 3918 } 3919 updatedPkgBetter = true; 3920 } 3921 } 3922 } 3923 3924 if (updatedPkg != null) { 3925 // An updated system app will not have the PARSE_IS_SYSTEM flag set 3926 // initially 3927 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 3928 3929 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 3930 // flag set initially 3931 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 3932 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 3933 } 3934 } 3935 // Verify certificates against what was last scanned 3936 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3937 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3938 return null; 3939 } 3940 3941 /* 3942 * A new system app appeared, but we already had a non-system one of the 3943 * same name installed earlier. 3944 */ 3945 boolean shouldHideSystemApp = false; 3946 if (updatedPkg == null && ps != null 3947 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 3948 /* 3949 * Check to make sure the signatures match first. If they don't, 3950 * wipe the installed application and its data. 3951 */ 3952 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 3953 != PackageManager.SIGNATURE_MATCH) { 3954 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 3955 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 3956 ps = null; 3957 } else { 3958 /* 3959 * If the newly-added system app is an older version than the 3960 * already installed version, hide it. It will be scanned later 3961 * and re-added like an update. 3962 */ 3963 if (pkg.mVersionCode < ps.versionCode) { 3964 shouldHideSystemApp = true; 3965 } else { 3966 /* 3967 * The newly found system app is a newer version that the 3968 * one previously installed. Simply remove the 3969 * already-installed application and replace it with our own 3970 * while keeping the application data. 3971 */ 3972 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 3973 + ps.codePathString + ": new version " + pkg.mVersionCode 3974 + " better than installed " + ps.versionCode); 3975 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3976 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3977 synchronized (mInstallLock) { 3978 args.cleanUpResourcesLI(); 3979 } 3980 } 3981 } 3982 } 3983 3984 // The apk is forward locked (not public) if its code and resources 3985 // are kept in different files. (except for app in either system or 3986 // vendor path). 3987 // TODO grab this value from PackageSettings 3988 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 3989 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 3990 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 3991 } 3992 } 3993 3994 String codePath = null; 3995 String resPath = null; 3996 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 3997 if (ps != null && ps.resourcePathString != null) { 3998 resPath = ps.resourcePathString; 3999 } else { 4000 // Should not happen at all. Just log an error. 4001 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4002 } 4003 } else { 4004 resPath = pkg.mScanPath; 4005 } 4006 4007 codePath = pkg.mScanPath; 4008 // Set application objects path explicitly. 4009 setApplicationInfoPaths(pkg, codePath, resPath); 4010 // Applications can run with the primary Cpu Abi unless otherwise is specified 4011 pkg.applicationInfo.requiredCpuAbi = null; 4012 // Note that we invoke the following method only if we are about to unpack an application 4013 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4014 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4015 4016 /* 4017 * If the system app should be overridden by a previously installed 4018 * data, hide the system app now and let the /data/app scan pick it up 4019 * again. 4020 */ 4021 if (shouldHideSystemApp) { 4022 synchronized (mPackages) { 4023 /* 4024 * We have to grant systems permissions before we hide, because 4025 * grantPermissions will assume the package update is trying to 4026 * expand its permissions. 4027 */ 4028 grantPermissionsLPw(pkg, true); 4029 mSettings.disableSystemPackageLPw(pkg.packageName); 4030 } 4031 } 4032 4033 return scannedPkg; 4034 } 4035 4036 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4037 String destResPath) { 4038 pkg.mPath = pkg.mScanPath = destCodePath; 4039 pkg.applicationInfo.sourceDir = destCodePath; 4040 pkg.applicationInfo.publicSourceDir = destResPath; 4041 } 4042 4043 private static String fixProcessName(String defProcessName, 4044 String processName, int uid) { 4045 if (processName == null) { 4046 return defProcessName; 4047 } 4048 return processName; 4049 } 4050 4051 private boolean verifySignaturesLP(PackageSetting pkgSetting, 4052 PackageParser.Package pkg) { 4053 if (pkgSetting.signatures.mSignatures != null) { 4054 // Already existing package. Make sure signatures match 4055 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 4056 PackageManager.SIGNATURE_MATCH) { 4057 Slog.e(TAG, "Package " + pkg.packageName 4058 + " signatures do not match the previously installed version; ignoring!"); 4059 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4060 return false; 4061 } 4062 } 4063 // Check for shared user signatures 4064 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4065 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4066 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4067 Slog.e(TAG, "Package " + pkg.packageName 4068 + " has no signatures that match those in shared user " 4069 + pkgSetting.sharedUser.name + "; ignoring!"); 4070 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4071 return false; 4072 } 4073 } 4074 return true; 4075 } 4076 4077 /** 4078 * Enforces that only the system UID or root's UID can call a method exposed 4079 * via Binder. 4080 * 4081 * @param message used as message if SecurityException is thrown 4082 * @throws SecurityException if the caller is not system or root 4083 */ 4084 private static final void enforceSystemOrRoot(String message) { 4085 final int uid = Binder.getCallingUid(); 4086 if (uid != Process.SYSTEM_UID && uid != 0) { 4087 throw new SecurityException(message); 4088 } 4089 } 4090 4091 public void performBootDexOpt() { 4092 HashSet<PackageParser.Package> pkgs = null; 4093 synchronized (mPackages) { 4094 pkgs = mDeferredDexOpt; 4095 mDeferredDexOpt = null; 4096 } 4097 if (pkgs != null) { 4098 int i = 0; 4099 for (PackageParser.Package pkg : pkgs) { 4100 if (!isFirstBoot()) { 4101 i++; 4102 try { 4103 ActivityManagerNative.getDefault().showBootMessage( 4104 mContext.getResources().getString( 4105 com.android.internal.R.string.android_upgrading_apk, 4106 i, pkgs.size()), true); 4107 } catch (RemoteException e) { 4108 } 4109 } 4110 PackageParser.Package p = pkg; 4111 synchronized (mInstallLock) { 4112 if (!p.mDidDexOpt) { 4113 performDexOptLI(p, false, false, true); 4114 } 4115 } 4116 } 4117 } 4118 } 4119 4120 public boolean performDexOpt(String packageName) { 4121 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4122 4123 if (!mNoDexOpt) { 4124 return false; 4125 } 4126 4127 PackageParser.Package p; 4128 synchronized (mPackages) { 4129 p = mPackages.get(packageName); 4130 if (p == null || p.mDidDexOpt) { 4131 return false; 4132 } 4133 } 4134 synchronized (mInstallLock) { 4135 return performDexOptLI(p, false, false, true) == DEX_OPT_PERFORMED; 4136 } 4137 } 4138 4139 private void performDexOptLibsLI(ArrayList<String> libs, boolean forceDex, boolean defer, 4140 HashSet<String> done) { 4141 for (int i=0; i<libs.size(); i++) { 4142 PackageParser.Package libPkg; 4143 String libName; 4144 synchronized (mPackages) { 4145 libName = libs.get(i); 4146 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4147 if (lib != null && lib.apk != null) { 4148 libPkg = mPackages.get(lib.apk); 4149 } else { 4150 libPkg = null; 4151 } 4152 } 4153 if (libPkg != null && !done.contains(libName)) { 4154 performDexOptLI(libPkg, forceDex, defer, done); 4155 } 4156 } 4157 } 4158 4159 static final int DEX_OPT_SKIPPED = 0; 4160 static final int DEX_OPT_PERFORMED = 1; 4161 static final int DEX_OPT_DEFERRED = 2; 4162 static final int DEX_OPT_FAILED = -1; 4163 4164 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4165 HashSet<String> done) { 4166 boolean performed = false; 4167 if (done != null) { 4168 done.add(pkg.packageName); 4169 if (pkg.usesLibraries != null) { 4170 performDexOptLibsLI(pkg.usesLibraries, forceDex, defer, done); 4171 } 4172 if (pkg.usesOptionalLibraries != null) { 4173 performDexOptLibsLI(pkg.usesOptionalLibraries, forceDex, defer, done); 4174 } 4175 } 4176 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4177 String path = pkg.mScanPath; 4178 int ret = 0; 4179 try { 4180 if (forceDex || dalvik.system.DexFile.isDexOptNeededInternal(path, pkg.packageName, 4181 defer)) { 4182 if (!forceDex && defer) { 4183 if (mDeferredDexOpt == null) { 4184 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4185 } 4186 mDeferredDexOpt.add(pkg); 4187 return DEX_OPT_DEFERRED; 4188 } else { 4189 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4190 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4191 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4192 pkg.packageName); 4193 pkg.mDidDexOpt = true; 4194 performed = true; 4195 } 4196 } 4197 } catch (FileNotFoundException e) { 4198 Slog.w(TAG, "Apk not found for dexopt: " + path); 4199 ret = -1; 4200 } catch (IOException e) { 4201 Slog.w(TAG, "IOException reading apk: " + path, e); 4202 ret = -1; 4203 } catch (dalvik.system.StaleDexCacheError e) { 4204 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4205 ret = -1; 4206 } catch (Exception e) { 4207 Slog.w(TAG, "Exception when doing dexopt : ", e); 4208 ret = -1; 4209 } 4210 if (ret < 0) { 4211 //error from installer 4212 return DEX_OPT_FAILED; 4213 } 4214 } 4215 4216 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4217 } 4218 4219 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4220 boolean inclDependencies) { 4221 HashSet<String> done; 4222 boolean performed = false; 4223 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4224 done = new HashSet<String>(); 4225 done.add(pkg.packageName); 4226 } else { 4227 done = null; 4228 } 4229 return performDexOptLI(pkg, forceDex, defer, done); 4230 } 4231 4232 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4233 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4234 Slog.w(TAG, "Unable to update from " + oldPkg.name 4235 + " to " + newPkg.packageName 4236 + ": old package not in system partition"); 4237 return false; 4238 } else if (mPackages.get(oldPkg.name) != null) { 4239 Slog.w(TAG, "Unable to update from " + oldPkg.name 4240 + " to " + newPkg.packageName 4241 + ": old package still exists"); 4242 return false; 4243 } 4244 return true; 4245 } 4246 4247 File getDataPathForUser(int userId) { 4248 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4249 } 4250 4251 private File getDataPathForPackage(String packageName, int userId) { 4252 /* 4253 * Until we fully support multiple users, return the directory we 4254 * previously would have. The PackageManagerTests will need to be 4255 * revised when this is changed back.. 4256 */ 4257 if (userId == 0) { 4258 return new File(mAppDataDir, packageName); 4259 } else { 4260 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4261 + File.separator + packageName); 4262 } 4263 } 4264 4265 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4266 int[] users = sUserManager.getUserIds(); 4267 int res = mInstaller.install(packageName, uid, uid, seinfo); 4268 if (res < 0) { 4269 return res; 4270 } 4271 for (int user : users) { 4272 if (user != 0) { 4273 res = mInstaller.createUserData(packageName, 4274 UserHandle.getUid(user, uid), user, seinfo); 4275 if (res < 0) { 4276 return res; 4277 } 4278 } 4279 } 4280 return res; 4281 } 4282 4283 private int removeDataDirsLI(String packageName) { 4284 int[] users = sUserManager.getUserIds(); 4285 int res = 0; 4286 for (int user : users) { 4287 int resInner = mInstaller.remove(packageName, user); 4288 if (resInner < 0) { 4289 res = resInner; 4290 } 4291 } 4292 4293 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4294 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4295 if (!nativeLibraryFile.delete()) { 4296 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4297 } 4298 4299 return res; 4300 } 4301 4302 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4303 PackageParser.Package changingLib) { 4304 if (file.path != null) { 4305 mTmpSharedLibraries[num] = file.path; 4306 return num+1; 4307 } 4308 PackageParser.Package p = mPackages.get(file.apk); 4309 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4310 // If we are doing this while in the middle of updating a library apk, 4311 // then we need to make sure to use that new apk for determining the 4312 // dependencies here. (We haven't yet finished committing the new apk 4313 // to the package manager state.) 4314 if (p == null || p.packageName.equals(changingLib.packageName)) { 4315 p = changingLib; 4316 } 4317 } 4318 if (p != null) { 4319 String path = p.mPath; 4320 for (int i=0; i<num; i++) { 4321 if (mTmpSharedLibraries[i].equals(path)) { 4322 return num; 4323 } 4324 } 4325 mTmpSharedLibraries[num] = p.mPath; 4326 return num+1; 4327 } 4328 return num; 4329 } 4330 4331 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4332 PackageParser.Package changingLib) { 4333 // We might be upgrading from a version of the platform that did not 4334 // provide per-package native library directories for system apps. 4335 // Fix that up here. 4336 if (isSystemApp(pkg)) { 4337 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4338 setInternalAppNativeLibraryPath(pkg, ps); 4339 } 4340 4341 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4342 if (mTmpSharedLibraries == null || 4343 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4344 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4345 } 4346 int num = 0; 4347 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4348 for (int i=0; i<N; i++) { 4349 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4350 if (file == null) { 4351 Slog.e(TAG, "Package " + pkg.packageName 4352 + " requires unavailable shared library " 4353 + pkg.usesLibraries.get(i) + "; failing!"); 4354 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4355 return false; 4356 } 4357 num = addSharedLibraryLPw(file, num, changingLib); 4358 } 4359 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4360 for (int i=0; i<N; i++) { 4361 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4362 if (file == null) { 4363 Slog.w(TAG, "Package " + pkg.packageName 4364 + " desires unavailable shared library " 4365 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4366 } else { 4367 num = addSharedLibraryLPw(file, num, changingLib); 4368 } 4369 } 4370 if (num > 0) { 4371 pkg.usesLibraryFiles = new String[num]; 4372 System.arraycopy(mTmpSharedLibraries, 0, 4373 pkg.usesLibraryFiles, 0, num); 4374 } else { 4375 pkg.usesLibraryFiles = null; 4376 } 4377 } 4378 return true; 4379 } 4380 4381 private static boolean hasString(List<String> list, List<String> which) { 4382 if (list == null) { 4383 return false; 4384 } 4385 for (int i=list.size()-1; i>=0; i--) { 4386 for (int j=which.size()-1; j>=0; j--) { 4387 if (which.get(j).equals(list.get(i))) { 4388 return true; 4389 } 4390 } 4391 } 4392 return false; 4393 } 4394 4395 private void updateAllSharedLibrariesLPw() { 4396 for (PackageParser.Package pkg : mPackages.values()) { 4397 updateSharedLibrariesLPw(pkg, null); 4398 } 4399 } 4400 4401 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4402 PackageParser.Package changingPkg) { 4403 ArrayList<PackageParser.Package> res = null; 4404 for (PackageParser.Package pkg : mPackages.values()) { 4405 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4406 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4407 if (res == null) { 4408 res = new ArrayList<PackageParser.Package>(); 4409 } 4410 res.add(pkg); 4411 updateSharedLibrariesLPw(pkg, changingPkg); 4412 } 4413 } 4414 return res; 4415 } 4416 4417 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4418 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4419 File scanFile = new File(pkg.mScanPath); 4420 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4421 pkg.applicationInfo.publicSourceDir == null) { 4422 // Bail out. The resource and code paths haven't been set. 4423 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4424 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4425 return null; 4426 } 4427 4428 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4429 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4430 } 4431 4432 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4433 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4434 } 4435 4436 if (mCustomResolverComponentName != null && 4437 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4438 setUpCustomResolverActivity(pkg); 4439 } 4440 4441 if (pkg.packageName.equals("android")) { 4442 synchronized (mPackages) { 4443 if (mAndroidApplication != null) { 4444 Slog.w(TAG, "*************************************************"); 4445 Slog.w(TAG, "Core android package being redefined. Skipping."); 4446 Slog.w(TAG, " file=" + scanFile); 4447 Slog.w(TAG, "*************************************************"); 4448 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4449 return null; 4450 } 4451 4452 // Set up information for our fall-back user intent resolution activity. 4453 mPlatformPackage = pkg; 4454 pkg.mVersionCode = mSdkVersion; 4455 mAndroidApplication = pkg.applicationInfo; 4456 4457 if (!mResolverReplaced) { 4458 mResolveActivity.applicationInfo = mAndroidApplication; 4459 mResolveActivity.name = ResolverActivity.class.getName(); 4460 mResolveActivity.packageName = mAndroidApplication.packageName; 4461 mResolveActivity.processName = "system:ui"; 4462 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4463 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4464 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4465 mResolveActivity.exported = true; 4466 mResolveActivity.enabled = true; 4467 mResolveInfo.activityInfo = mResolveActivity; 4468 mResolveInfo.priority = 0; 4469 mResolveInfo.preferredOrder = 0; 4470 mResolveInfo.match = 0; 4471 mResolveComponentName = new ComponentName( 4472 mAndroidApplication.packageName, mResolveActivity.name); 4473 } 4474 } 4475 } 4476 4477 if (DEBUG_PACKAGE_SCANNING) { 4478 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4479 Log.d(TAG, "Scanning package " + pkg.packageName); 4480 } 4481 4482 if (mPackages.containsKey(pkg.packageName) 4483 || mSharedLibraries.containsKey(pkg.packageName)) { 4484 Slog.w(TAG, "Application package " + pkg.packageName 4485 + " already installed. Skipping duplicate."); 4486 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4487 return null; 4488 } 4489 4490 // Initialize package source and resource directories 4491 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4492 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4493 4494 SharedUserSetting suid = null; 4495 PackageSetting pkgSetting = null; 4496 4497 if (!isSystemApp(pkg)) { 4498 // Only system apps can use these features. 4499 pkg.mOriginalPackages = null; 4500 pkg.mRealPackage = null; 4501 pkg.mAdoptPermissions = null; 4502 } 4503 4504 // writer 4505 synchronized (mPackages) { 4506 if (pkg.mSharedUserId != null) { 4507 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4508 if (suid == null) { 4509 Slog.w(TAG, "Creating application package " + pkg.packageName 4510 + " for shared user failed"); 4511 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4512 return null; 4513 } 4514 if (DEBUG_PACKAGE_SCANNING) { 4515 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4516 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4517 + "): packages=" + suid.packages); 4518 } 4519 } 4520 4521 // Check if we are renaming from an original package name. 4522 PackageSetting origPackage = null; 4523 String realName = null; 4524 if (pkg.mOriginalPackages != null) { 4525 // This package may need to be renamed to a previously 4526 // installed name. Let's check on that... 4527 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4528 if (pkg.mOriginalPackages.contains(renamed)) { 4529 // This package had originally been installed as the 4530 // original name, and we have already taken care of 4531 // transitioning to the new one. Just update the new 4532 // one to continue using the old name. 4533 realName = pkg.mRealPackage; 4534 if (!pkg.packageName.equals(renamed)) { 4535 // Callers into this function may have already taken 4536 // care of renaming the package; only do it here if 4537 // it is not already done. 4538 pkg.setPackageName(renamed); 4539 } 4540 4541 } else { 4542 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4543 if ((origPackage = mSettings.peekPackageLPr( 4544 pkg.mOriginalPackages.get(i))) != null) { 4545 // We do have the package already installed under its 4546 // original name... should we use it? 4547 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4548 // New package is not compatible with original. 4549 origPackage = null; 4550 continue; 4551 } else if (origPackage.sharedUser != null) { 4552 // Make sure uid is compatible between packages. 4553 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4554 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4555 + " to " + pkg.packageName + ": old uid " 4556 + origPackage.sharedUser.name 4557 + " differs from " + pkg.mSharedUserId); 4558 origPackage = null; 4559 continue; 4560 } 4561 } else { 4562 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4563 + pkg.packageName + " to old name " + origPackage.name); 4564 } 4565 break; 4566 } 4567 } 4568 } 4569 } 4570 4571 if (mTransferedPackages.contains(pkg.packageName)) { 4572 Slog.w(TAG, "Package " + pkg.packageName 4573 + " was transferred to another, but its .apk remains"); 4574 } 4575 4576 // Just create the setting, don't add it yet. For already existing packages 4577 // the PkgSetting exists already and doesn't have to be created. 4578 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4579 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4580 pkg.applicationInfo.requiredCpuAbi, 4581 pkg.applicationInfo.flags, user, false); 4582 if (pkgSetting == null) { 4583 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4584 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4585 return null; 4586 } 4587 4588 if (pkgSetting.origPackage != null) { 4589 // If we are first transitioning from an original package, 4590 // fix up the new package's name now. We need to do this after 4591 // looking up the package under its new name, so getPackageLP 4592 // can take care of fiddling things correctly. 4593 pkg.setPackageName(origPackage.name); 4594 4595 // File a report about this. 4596 String msg = "New package " + pkgSetting.realName 4597 + " renamed to replace old package " + pkgSetting.name; 4598 reportSettingsProblem(Log.WARN, msg); 4599 4600 // Make a note of it. 4601 mTransferedPackages.add(origPackage.name); 4602 4603 // No longer need to retain this. 4604 pkgSetting.origPackage = null; 4605 } 4606 4607 if (realName != null) { 4608 // Make a note of it. 4609 mTransferedPackages.add(pkg.packageName); 4610 } 4611 4612 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4613 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4614 } 4615 4616 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4617 // Check all shared libraries and map to their actual file path. 4618 // We only do this here for apps not on a system dir, because those 4619 // are the only ones that can fail an install due to this. We 4620 // will take care of the system apps by updating all of their 4621 // library paths after the scan is done. 4622 if (!updateSharedLibrariesLPw(pkg, null)) { 4623 return null; 4624 } 4625 } 4626 4627 if (mFoundPolicyFile) { 4628 SELinuxMMAC.assignSeinfoValue(pkg); 4629 } 4630 4631 pkg.applicationInfo.uid = pkgSetting.appId; 4632 pkg.mExtras = pkgSetting; 4633 4634 if (!verifySignaturesLP(pkgSetting, pkg)) { 4635 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4636 return null; 4637 } 4638 // The signature has changed, but this package is in the system 4639 // image... let's recover! 4640 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4641 // However... if this package is part of a shared user, but it 4642 // doesn't match the signature of the shared user, let's fail. 4643 // What this means is that you can't change the signatures 4644 // associated with an overall shared user, which doesn't seem all 4645 // that unreasonable. 4646 if (pkgSetting.sharedUser != null) { 4647 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4648 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4649 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4650 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4651 return null; 4652 } 4653 } 4654 // File a report about this. 4655 String msg = "System package " + pkg.packageName 4656 + " signature changed; retaining data."; 4657 reportSettingsProblem(Log.WARN, msg); 4658 } 4659 4660 // Verify that this new package doesn't have any content providers 4661 // that conflict with existing packages. Only do this if the 4662 // package isn't already installed, since we don't want to break 4663 // things that are installed. 4664 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4665 final int N = pkg.providers.size(); 4666 int i; 4667 for (i=0; i<N; i++) { 4668 PackageParser.Provider p = pkg.providers.get(i); 4669 if (p.info.authority != null) { 4670 String names[] = p.info.authority.split(";"); 4671 for (int j = 0; j < names.length; j++) { 4672 if (mProvidersByAuthority.containsKey(names[j])) { 4673 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4674 Slog.w(TAG, "Can't install because provider name " + names[j] + 4675 " (in package " + pkg.applicationInfo.packageName + 4676 ") is already used by " 4677 + ((other != null && other.getComponentName() != null) 4678 ? other.getComponentName().getPackageName() : "?")); 4679 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4680 return null; 4681 } 4682 } 4683 } 4684 } 4685 } 4686 4687 if (pkg.mAdoptPermissions != null) { 4688 // This package wants to adopt ownership of permissions from 4689 // another package. 4690 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4691 final String origName = pkg.mAdoptPermissions.get(i); 4692 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4693 if (orig != null) { 4694 if (verifyPackageUpdateLPr(orig, pkg)) { 4695 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4696 + pkg.packageName); 4697 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4698 } 4699 } 4700 } 4701 } 4702 } 4703 4704 final String pkgName = pkg.packageName; 4705 4706 final long scanFileTime = scanFile.lastModified(); 4707 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4708 pkg.applicationInfo.processName = fixProcessName( 4709 pkg.applicationInfo.packageName, 4710 pkg.applicationInfo.processName, 4711 pkg.applicationInfo.uid); 4712 4713 File dataPath; 4714 if (mPlatformPackage == pkg) { 4715 // The system package is special. 4716 dataPath = new File (Environment.getDataDirectory(), "system"); 4717 pkg.applicationInfo.dataDir = dataPath.getPath(); 4718 } else { 4719 // This is a normal package, need to make its data directory. 4720 dataPath = getDataPathForPackage(pkg.packageName, 0); 4721 4722 boolean uidError = false; 4723 4724 if (dataPath.exists()) { 4725 int currentUid = 0; 4726 try { 4727 StructStat stat = Libcore.os.stat(dataPath.getPath()); 4728 currentUid = stat.st_uid; 4729 } catch (ErrnoException e) { 4730 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4731 } 4732 4733 // If we have mismatched owners for the data path, we have a problem. 4734 if (currentUid != pkg.applicationInfo.uid) { 4735 boolean recovered = false; 4736 if (currentUid == 0) { 4737 // The directory somehow became owned by root. Wow. 4738 // This is probably because the system was stopped while 4739 // installd was in the middle of messing with its libs 4740 // directory. Ask installd to fix that. 4741 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4742 pkg.applicationInfo.uid); 4743 if (ret >= 0) { 4744 recovered = true; 4745 String msg = "Package " + pkg.packageName 4746 + " unexpectedly changed to uid 0; recovered to " + 4747 + pkg.applicationInfo.uid; 4748 reportSettingsProblem(Log.WARN, msg); 4749 } 4750 } 4751 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4752 || (scanMode&SCAN_BOOTING) != 0)) { 4753 // If this is a system app, we can at least delete its 4754 // current data so the application will still work. 4755 int ret = removeDataDirsLI(pkgName); 4756 if (ret >= 0) { 4757 // TODO: Kill the processes first 4758 // Old data gone! 4759 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4760 ? "System package " : "Third party package "; 4761 String msg = prefix + pkg.packageName 4762 + " has changed from uid: " 4763 + currentUid + " to " 4764 + pkg.applicationInfo.uid + "; old data erased"; 4765 reportSettingsProblem(Log.WARN, msg); 4766 recovered = true; 4767 4768 // And now re-install the app. 4769 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4770 pkg.applicationInfo.seinfo); 4771 if (ret == -1) { 4772 // Ack should not happen! 4773 msg = prefix + pkg.packageName 4774 + " could not have data directory re-created after delete."; 4775 reportSettingsProblem(Log.WARN, msg); 4776 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4777 return null; 4778 } 4779 } 4780 if (!recovered) { 4781 mHasSystemUidErrors = true; 4782 } 4783 } else if (!recovered) { 4784 // If we allow this install to proceed, we will be broken. 4785 // Abort, abort! 4786 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4787 return null; 4788 } 4789 if (!recovered) { 4790 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4791 + pkg.applicationInfo.uid + "/fs_" 4792 + currentUid; 4793 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4794 String msg = "Package " + pkg.packageName 4795 + " has mismatched uid: " 4796 + currentUid + " on disk, " 4797 + pkg.applicationInfo.uid + " in settings"; 4798 // writer 4799 synchronized (mPackages) { 4800 mSettings.mReadMessages.append(msg); 4801 mSettings.mReadMessages.append('\n'); 4802 uidError = true; 4803 if (!pkgSetting.uidError) { 4804 reportSettingsProblem(Log.ERROR, msg); 4805 } 4806 } 4807 } 4808 } 4809 pkg.applicationInfo.dataDir = dataPath.getPath(); 4810 if (mShouldRestoreconData) { 4811 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 4812 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 4813 pkg.applicationInfo.uid); 4814 } 4815 } else { 4816 if (DEBUG_PACKAGE_SCANNING) { 4817 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4818 Log.v(TAG, "Want this data dir: " + dataPath); 4819 } 4820 //invoke installer to do the actual installation 4821 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4822 pkg.applicationInfo.seinfo); 4823 if (ret < 0) { 4824 // Error from installer 4825 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4826 return null; 4827 } 4828 4829 if (dataPath.exists()) { 4830 pkg.applicationInfo.dataDir = dataPath.getPath(); 4831 } else { 4832 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4833 pkg.applicationInfo.dataDir = null; 4834 } 4835 } 4836 4837 /* 4838 * Set the data dir to the default "/data/data/<package name>/lib" 4839 * if we got here without anyone telling us different (e.g., apps 4840 * stored on SD card have their native libraries stored in the ASEC 4841 * container with the APK). 4842 * 4843 * This happens during an upgrade from a package settings file that 4844 * doesn't have a native library path attribute at all. 4845 */ 4846 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4847 if (pkgSetting.nativeLibraryPathString == null) { 4848 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4849 } else { 4850 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4851 } 4852 } 4853 pkgSetting.uidError = uidError; 4854 } 4855 4856 String path = scanFile.getPath(); 4857 /* Note: We don't want to unpack the native binaries for 4858 * system applications, unless they have been updated 4859 * (the binaries are already under /system/lib). 4860 * Also, don't unpack libs for apps on the external card 4861 * since they should have their libraries in the ASEC 4862 * container already. 4863 * 4864 * In other words, we're going to unpack the binaries 4865 * only for non-system apps and system app upgrades. 4866 */ 4867 if (pkg.applicationInfo.nativeLibraryDir != null) { 4868 try { 4869 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4870 final String dataPathString = dataPath.getCanonicalPath(); 4871 4872 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4873 /* 4874 * Upgrading from a previous version of the OS sometimes 4875 * leaves native libraries in the /data/data/<app>/lib 4876 * directory for system apps even when they shouldn't be. 4877 * Recent changes in the JNI library search path 4878 * necessitates we remove those to match previous behavior. 4879 */ 4880 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 4881 Log.i(TAG, "removed obsolete native libraries for system package " 4882 + path); 4883 } 4884 } else { 4885 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 4886 /* 4887 * Update native library dir if it starts with 4888 * /data/data 4889 */ 4890 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 4891 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4892 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4893 } 4894 4895 try { 4896 int copyRet = copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir); 4897 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 4898 Slog.e(TAG, "Unable to copy native libraries"); 4899 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4900 return null; 4901 } 4902 4903 // We've successfully copied native libraries across, so we make a 4904 // note of what ABI we're using 4905 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 4906 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[copyRet]; 4907 } else { 4908 pkg.applicationInfo.requiredCpuAbi = null; 4909 } 4910 } catch (IOException e) { 4911 Slog.e(TAG, "Unable to copy native libraries", e); 4912 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4913 return null; 4914 } 4915 } 4916 4917 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 4918 final int[] userIds = sUserManager.getUserIds(); 4919 synchronized (mInstallLock) { 4920 for (int userId : userIds) { 4921 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 4922 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 4923 Slog.w(TAG, "Failed linking native library dir (user=" + userId 4924 + ")"); 4925 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4926 return null; 4927 } 4928 } 4929 } 4930 } 4931 } catch (IOException ioe) { 4932 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 4933 } 4934 } 4935 pkg.mScanPath = path; 4936 4937 if ((scanMode&SCAN_NO_DEX) == 0) { 4938 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4939 == DEX_OPT_FAILED) { 4940 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4941 removeDataDirsLI(pkg.packageName); 4942 } 4943 4944 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4945 return null; 4946 } 4947 } 4948 4949 if (mFactoryTest && pkg.requestedPermissions.contains( 4950 android.Manifest.permission.FACTORY_TEST)) { 4951 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 4952 } 4953 4954 ArrayList<PackageParser.Package> clientLibPkgs = null; 4955 4956 // writer 4957 synchronized (mPackages) { 4958 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 4959 // Only system apps can add new shared libraries. 4960 if (pkg.libraryNames != null) { 4961 for (int i=0; i<pkg.libraryNames.size(); i++) { 4962 String name = pkg.libraryNames.get(i); 4963 boolean allowed = false; 4964 if (isUpdatedSystemApp(pkg)) { 4965 // New library entries can only be added through the 4966 // system image. This is important to get rid of a lot 4967 // of nasty edge cases: for example if we allowed a non- 4968 // system update of the app to add a library, then uninstalling 4969 // the update would make the library go away, and assumptions 4970 // we made such as through app install filtering would now 4971 // have allowed apps on the device which aren't compatible 4972 // with it. Better to just have the restriction here, be 4973 // conservative, and create many fewer cases that can negatively 4974 // impact the user experience. 4975 final PackageSetting sysPs = mSettings 4976 .getDisabledSystemPkgLPr(pkg.packageName); 4977 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 4978 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 4979 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 4980 allowed = true; 4981 allowed = true; 4982 break; 4983 } 4984 } 4985 } 4986 } else { 4987 allowed = true; 4988 } 4989 if (allowed) { 4990 if (!mSharedLibraries.containsKey(name)) { 4991 mSharedLibraries.put(name, new SharedLibraryEntry(null, 4992 pkg.packageName)); 4993 } else if (!name.equals(pkg.packageName)) { 4994 Slog.w(TAG, "Package " + pkg.packageName + " library " 4995 + name + " already exists; skipping"); 4996 } 4997 } else { 4998 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 4999 + name + " that is not declared on system image; skipping"); 5000 } 5001 } 5002 if ((scanMode&SCAN_BOOTING) == 0) { 5003 // If we are not booting, we need to update any applications 5004 // that are clients of our shared library. If we are booting, 5005 // this will all be done once the scan is complete. 5006 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5007 } 5008 } 5009 } 5010 } 5011 5012 // We also need to dexopt any apps that are dependent on this library. Note that 5013 // if these fail, we should abort the install since installing the library will 5014 // result in some apps being broken. 5015 if (clientLibPkgs != null) { 5016 if ((scanMode&SCAN_NO_DEX) == 0) { 5017 for (int i=0; i<clientLibPkgs.size(); i++) { 5018 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5019 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5020 == DEX_OPT_FAILED) { 5021 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5022 removeDataDirsLI(pkg.packageName); 5023 } 5024 5025 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5026 return null; 5027 } 5028 } 5029 } 5030 } 5031 5032 // Request the ActivityManager to kill the process(only for existing packages) 5033 // so that we do not end up in a confused state while the user is still using the older 5034 // version of the application while the new one gets installed. 5035 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5036 // If the package lives in an asec, tell everyone that the container is going 5037 // away so they can clean up any references to its resources (which would prevent 5038 // vold from being able to unmount the asec) 5039 if (isForwardLocked(pkg) || isExternal(pkg)) { 5040 if (DEBUG_INSTALL) { 5041 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5042 } 5043 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5044 final ArrayList<String> pkgList = new ArrayList<String>(1); 5045 pkgList.add(pkg.applicationInfo.packageName); 5046 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5047 } 5048 5049 // Post the request that it be killed now that the going-away broadcast is en route 5050 killApplication(pkg.applicationInfo.packageName, 5051 pkg.applicationInfo.uid, "update pkg"); 5052 } 5053 5054 // Also need to kill any apps that are dependent on the library. 5055 if (clientLibPkgs != null) { 5056 for (int i=0; i<clientLibPkgs.size(); i++) { 5057 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5058 killApplication(clientPkg.applicationInfo.packageName, 5059 clientPkg.applicationInfo.uid, "update lib"); 5060 } 5061 } 5062 5063 // writer 5064 synchronized (mPackages) { 5065 // We don't expect installation to fail beyond this point, 5066 if ((scanMode&SCAN_MONITOR) != 0) { 5067 mAppDirs.put(pkg.mPath, pkg); 5068 } 5069 // Add the new setting to mSettings 5070 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5071 // Add the new setting to mPackages 5072 mPackages.put(pkg.applicationInfo.packageName, pkg); 5073 // Make sure we don't accidentally delete its data. 5074 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5075 while (iter.hasNext()) { 5076 PackageCleanItem item = iter.next(); 5077 if (pkgName.equals(item.packageName)) { 5078 iter.remove(); 5079 } 5080 } 5081 5082 // Take care of first install / last update times. 5083 if (currentTime != 0) { 5084 if (pkgSetting.firstInstallTime == 0) { 5085 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5086 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5087 pkgSetting.lastUpdateTime = currentTime; 5088 } 5089 } else if (pkgSetting.firstInstallTime == 0) { 5090 // We need *something*. Take time time stamp of the file. 5091 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5092 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5093 if (scanFileTime != pkgSetting.timeStamp) { 5094 // A package on the system image has changed; consider this 5095 // to be an update. 5096 pkgSetting.lastUpdateTime = scanFileTime; 5097 } 5098 } 5099 5100 // Add the package's KeySets to the global KeySetManager 5101 KeySetManager ksm = mSettings.mKeySetManager; 5102 try { 5103 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5104 if (pkg.mKeySetMapping != null) { 5105 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5106 if (entry.getValue() != null) { 5107 ksm.addDefinedKeySetToPackage(pkg.packageName, 5108 entry.getValue(), entry.getKey()); 5109 } 5110 } 5111 } 5112 } catch (NullPointerException e) { 5113 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5114 } catch (IllegalArgumentException e) { 5115 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5116 } 5117 5118 int N = pkg.providers.size(); 5119 StringBuilder r = null; 5120 int i; 5121 for (i=0; i<N; i++) { 5122 PackageParser.Provider p = pkg.providers.get(i); 5123 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5124 p.info.processName, pkg.applicationInfo.uid); 5125 mProviders.addProvider(p); 5126 p.syncable = p.info.isSyncable; 5127 if (p.info.authority != null) { 5128 String names[] = p.info.authority.split(";"); 5129 p.info.authority = null; 5130 for (int j = 0; j < names.length; j++) { 5131 if (j == 1 && p.syncable) { 5132 // We only want the first authority for a provider to possibly be 5133 // syncable, so if we already added this provider using a different 5134 // authority clear the syncable flag. We copy the provider before 5135 // changing it because the mProviders object contains a reference 5136 // to a provider that we don't want to change. 5137 // Only do this for the second authority since the resulting provider 5138 // object can be the same for all future authorities for this provider. 5139 p = new PackageParser.Provider(p); 5140 p.syncable = false; 5141 } 5142 if (!mProvidersByAuthority.containsKey(names[j])) { 5143 mProvidersByAuthority.put(names[j], p); 5144 if (p.info.authority == null) { 5145 p.info.authority = names[j]; 5146 } else { 5147 p.info.authority = p.info.authority + ";" + names[j]; 5148 } 5149 if (DEBUG_PACKAGE_SCANNING) { 5150 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5151 Log.d(TAG, "Registered content provider: " + names[j] 5152 + ", className = " + p.info.name + ", isSyncable = " 5153 + p.info.isSyncable); 5154 } 5155 } else { 5156 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5157 Slog.w(TAG, "Skipping provider name " + names[j] + 5158 " (in package " + pkg.applicationInfo.packageName + 5159 "): name already used by " 5160 + ((other != null && other.getComponentName() != null) 5161 ? other.getComponentName().getPackageName() : "?")); 5162 } 5163 } 5164 } 5165 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5166 if (r == null) { 5167 r = new StringBuilder(256); 5168 } else { 5169 r.append(' '); 5170 } 5171 r.append(p.info.name); 5172 } 5173 } 5174 if (r != null) { 5175 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5176 } 5177 5178 N = pkg.services.size(); 5179 r = null; 5180 for (i=0; i<N; i++) { 5181 PackageParser.Service s = pkg.services.get(i); 5182 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5183 s.info.processName, pkg.applicationInfo.uid); 5184 mServices.addService(s); 5185 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5186 if (r == null) { 5187 r = new StringBuilder(256); 5188 } else { 5189 r.append(' '); 5190 } 5191 r.append(s.info.name); 5192 } 5193 } 5194 if (r != null) { 5195 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5196 } 5197 5198 N = pkg.receivers.size(); 5199 r = null; 5200 for (i=0; i<N; i++) { 5201 PackageParser.Activity a = pkg.receivers.get(i); 5202 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5203 a.info.processName, pkg.applicationInfo.uid); 5204 mReceivers.addActivity(a, "receiver"); 5205 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5206 if (r == null) { 5207 r = new StringBuilder(256); 5208 } else { 5209 r.append(' '); 5210 } 5211 r.append(a.info.name); 5212 } 5213 } 5214 if (r != null) { 5215 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5216 } 5217 5218 N = pkg.activities.size(); 5219 r = null; 5220 for (i=0; i<N; i++) { 5221 PackageParser.Activity a = pkg.activities.get(i); 5222 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5223 a.info.processName, pkg.applicationInfo.uid); 5224 mActivities.addActivity(a, "activity"); 5225 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5226 if (r == null) { 5227 r = new StringBuilder(256); 5228 } else { 5229 r.append(' '); 5230 } 5231 r.append(a.info.name); 5232 } 5233 } 5234 if (r != null) { 5235 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5236 } 5237 5238 N = pkg.permissionGroups.size(); 5239 r = null; 5240 for (i=0; i<N; i++) { 5241 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5242 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5243 if (cur == null) { 5244 mPermissionGroups.put(pg.info.name, pg); 5245 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5246 if (r == null) { 5247 r = new StringBuilder(256); 5248 } else { 5249 r.append(' '); 5250 } 5251 r.append(pg.info.name); 5252 } 5253 } else { 5254 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5255 + pg.info.packageName + " ignored: original from " 5256 + cur.info.packageName); 5257 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5258 if (r == null) { 5259 r = new StringBuilder(256); 5260 } else { 5261 r.append(' '); 5262 } 5263 r.append("DUP:"); 5264 r.append(pg.info.name); 5265 } 5266 } 5267 } 5268 if (r != null) { 5269 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5270 } 5271 5272 N = pkg.permissions.size(); 5273 r = null; 5274 for (i=0; i<N; i++) { 5275 PackageParser.Permission p = pkg.permissions.get(i); 5276 HashMap<String, BasePermission> permissionMap = 5277 p.tree ? mSettings.mPermissionTrees 5278 : mSettings.mPermissions; 5279 p.group = mPermissionGroups.get(p.info.group); 5280 if (p.info.group == null || p.group != null) { 5281 BasePermission bp = permissionMap.get(p.info.name); 5282 if (bp == null) { 5283 bp = new BasePermission(p.info.name, p.info.packageName, 5284 BasePermission.TYPE_NORMAL); 5285 permissionMap.put(p.info.name, bp); 5286 } 5287 if (bp.perm == null) { 5288 if (bp.sourcePackage != null 5289 && !bp.sourcePackage.equals(p.info.packageName)) { 5290 // If this is a permission that was formerly defined by a non-system 5291 // app, but is now defined by a system app (following an upgrade), 5292 // discard the previous declaration and consider the system's to be 5293 // canonical. 5294 if (isSystemApp(p.owner)) { 5295 String msg = "New decl " + p.owner + " of permission " 5296 + p.info.name + " is system"; 5297 reportSettingsProblem(Log.WARN, msg); 5298 bp.sourcePackage = null; 5299 } 5300 } 5301 if (bp.sourcePackage == null 5302 || bp.sourcePackage.equals(p.info.packageName)) { 5303 BasePermission tree = findPermissionTreeLP(p.info.name); 5304 if (tree == null 5305 || tree.sourcePackage.equals(p.info.packageName)) { 5306 bp.packageSetting = pkgSetting; 5307 bp.perm = p; 5308 bp.uid = pkg.applicationInfo.uid; 5309 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5310 if (r == null) { 5311 r = new StringBuilder(256); 5312 } else { 5313 r.append(' '); 5314 } 5315 r.append(p.info.name); 5316 } 5317 } else { 5318 Slog.w(TAG, "Permission " + p.info.name + " from package " 5319 + p.info.packageName + " ignored: base tree " 5320 + tree.name + " is from package " 5321 + tree.sourcePackage); 5322 } 5323 } else { 5324 Slog.w(TAG, "Permission " + p.info.name + " from package " 5325 + p.info.packageName + " ignored: original from " 5326 + bp.sourcePackage); 5327 } 5328 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5329 if (r == null) { 5330 r = new StringBuilder(256); 5331 } else { 5332 r.append(' '); 5333 } 5334 r.append("DUP:"); 5335 r.append(p.info.name); 5336 } 5337 if (bp.perm == p) { 5338 bp.protectionLevel = p.info.protectionLevel; 5339 } 5340 } else { 5341 Slog.w(TAG, "Permission " + p.info.name + " from package " 5342 + p.info.packageName + " ignored: no group " 5343 + p.group); 5344 } 5345 } 5346 if (r != null) { 5347 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5348 } 5349 5350 N = pkg.instrumentation.size(); 5351 r = null; 5352 for (i=0; i<N; i++) { 5353 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5354 a.info.packageName = pkg.applicationInfo.packageName; 5355 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5356 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5357 a.info.dataDir = pkg.applicationInfo.dataDir; 5358 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5359 mInstrumentation.put(a.getComponentName(), a); 5360 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5361 if (r == null) { 5362 r = new StringBuilder(256); 5363 } else { 5364 r.append(' '); 5365 } 5366 r.append(a.info.name); 5367 } 5368 } 5369 if (r != null) { 5370 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5371 } 5372 5373 if (pkg.protectedBroadcasts != null) { 5374 N = pkg.protectedBroadcasts.size(); 5375 for (i=0; i<N; i++) { 5376 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5377 } 5378 } 5379 5380 pkgSetting.setTimeStamp(scanFileTime); 5381 5382 // Create idmap files for pairs of (packages, overlay packages). 5383 // Note: "android", ie framework-res.apk, is handled by native layers. 5384 if (pkg.mOverlayTarget != null) { 5385 // This is an overlay package. 5386 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5387 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5388 mOverlays.put(pkg.mOverlayTarget, 5389 new HashMap<String, PackageParser.Package>()); 5390 } 5391 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5392 map.put(pkg.packageName, pkg); 5393 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5394 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5395 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5396 return null; 5397 } 5398 } 5399 } else if (mOverlays.containsKey(pkg.packageName) && 5400 !pkg.packageName.equals("android")) { 5401 // This is a regular package, with one or more known overlay packages. 5402 createIdmapsForPackageLI(pkg); 5403 } 5404 } 5405 5406 return pkg; 5407 } 5408 5409 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5410 synchronized (mPackages) { 5411 mResolverReplaced = true; 5412 // Set up information for custom user intent resolution activity. 5413 mResolveActivity.applicationInfo = pkg.applicationInfo; 5414 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5415 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5416 mResolveActivity.processName = null; 5417 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5418 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5419 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5420 mResolveActivity.theme = 0; 5421 mResolveActivity.exported = true; 5422 mResolveActivity.enabled = true; 5423 mResolveInfo.activityInfo = mResolveActivity; 5424 mResolveInfo.priority = 0; 5425 mResolveInfo.preferredOrder = 0; 5426 mResolveInfo.match = 0; 5427 mResolveComponentName = mCustomResolverComponentName; 5428 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5429 mResolveComponentName); 5430 } 5431 } 5432 5433 private String calculateApkRoot(final String codePathString) { 5434 final File codePath = new File(codePathString); 5435 final File codeRoot; 5436 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 5437 codeRoot = Environment.getRootDirectory(); 5438 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 5439 codeRoot = Environment.getRootDirectory(); 5440 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 5441 codeRoot = Environment.getVendorDirectory(); 5442 } else { 5443 // Unrecognized code path; take its top real segment as the apk root: 5444 // e.g. /something/app/blah.apk => /something 5445 try { 5446 File f = codePath.getCanonicalFile(); 5447 File parent = f.getParentFile(); // non-null because codePath is a file 5448 File tmp; 5449 while ((tmp = parent.getParentFile()) != null) { 5450 f = parent; 5451 parent = tmp; 5452 } 5453 codeRoot = f; 5454 Slog.w(TAG, "Unrecognized code path " 5455 + codePath + " - using " + codeRoot); 5456 } catch (IOException e) { 5457 // Can't canonicalize the lib path -- shenanigans? 5458 Slog.w(TAG, "Can't canonicalize code path " + codePath); 5459 return Environment.getRootDirectory().getPath(); 5460 } 5461 } 5462 return codeRoot.getPath(); 5463 } 5464 5465 // This is the initial scan-time determination of how to handle a given 5466 // package for purposes of native library location. 5467 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5468 PackageSetting pkgSetting) { 5469 // "bundled" here means system-installed with no overriding update 5470 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 5471 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5472 final File libDir; 5473 if (bundledApk) { 5474 // If "/system/lib64/apkname" exists, assume that is the per-package 5475 // native library directory to use; otherwise use "/system/lib/apkname". 5476 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5477 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 5478 File packLib64 = new File(lib64, apkName); 5479 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 5480 } else { 5481 libDir = mAppLibInstallDir; 5482 } 5483 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 5484 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5485 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5486 } 5487 5488 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5489 throws IOException { 5490 if (!nativeLibraryDir.isDirectory()) { 5491 nativeLibraryDir.delete(); 5492 5493 if (!nativeLibraryDir.mkdir()) { 5494 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5495 } 5496 5497 try { 5498 Libcore.os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH 5499 | S_IXOTH); 5500 } catch (ErrnoException e) { 5501 throw new IOException("Cannot chmod native library directory " 5502 + nativeLibraryDir.getPath(), e); 5503 } 5504 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5505 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5506 } 5507 5508 /* 5509 * If this is an internal application or our nativeLibraryPath points to 5510 * the app-lib directory, unpack the libraries if necessary. 5511 */ 5512 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5513 try { 5514 int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5515 if (abi >= 0) { 5516 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 5517 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 5518 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 5519 return copyRet; 5520 } 5521 } 5522 5523 return abi; 5524 } finally { 5525 handle.close(); 5526 } 5527 } 5528 5529 private void killApplication(String pkgName, int appId, String reason) { 5530 // Request the ActivityManager to kill the process(only for existing packages) 5531 // so that we do not end up in a confused state while the user is still using the older 5532 // version of the application while the new one gets installed. 5533 IActivityManager am = ActivityManagerNative.getDefault(); 5534 if (am != null) { 5535 try { 5536 am.killApplicationWithAppId(pkgName, appId, reason); 5537 } catch (RemoteException e) { 5538 } 5539 } 5540 } 5541 5542 void removePackageLI(PackageSetting ps, boolean chatty) { 5543 if (DEBUG_INSTALL) { 5544 if (chatty) 5545 Log.d(TAG, "Removing package " + ps.name); 5546 } 5547 5548 // writer 5549 synchronized (mPackages) { 5550 mPackages.remove(ps.name); 5551 if (ps.codePathString != null) { 5552 mAppDirs.remove(ps.codePathString); 5553 } 5554 5555 final PackageParser.Package pkg = ps.pkg; 5556 if (pkg != null) { 5557 cleanPackageDataStructuresLILPw(pkg, chatty); 5558 } 5559 } 5560 } 5561 5562 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5563 if (DEBUG_INSTALL) { 5564 if (chatty) 5565 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5566 } 5567 5568 // writer 5569 synchronized (mPackages) { 5570 mPackages.remove(pkg.applicationInfo.packageName); 5571 if (pkg.mPath != null) { 5572 mAppDirs.remove(pkg.mPath); 5573 } 5574 cleanPackageDataStructuresLILPw(pkg, chatty); 5575 } 5576 } 5577 5578 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5579 int N = pkg.providers.size(); 5580 StringBuilder r = null; 5581 int i; 5582 for (i=0; i<N; i++) { 5583 PackageParser.Provider p = pkg.providers.get(i); 5584 mProviders.removeProvider(p); 5585 if (p.info.authority == null) { 5586 5587 /* There was another ContentProvider with this authority when 5588 * this app was installed so this authority is null, 5589 * Ignore it as we don't have to unregister the provider. 5590 */ 5591 continue; 5592 } 5593 String names[] = p.info.authority.split(";"); 5594 for (int j = 0; j < names.length; j++) { 5595 if (mProvidersByAuthority.get(names[j]) == p) { 5596 mProvidersByAuthority.remove(names[j]); 5597 if (DEBUG_REMOVE) { 5598 if (chatty) 5599 Log.d(TAG, "Unregistered content provider: " + names[j] 5600 + ", className = " + p.info.name + ", isSyncable = " 5601 + p.info.isSyncable); 5602 } 5603 } 5604 } 5605 if (DEBUG_REMOVE && chatty) { 5606 if (r == null) { 5607 r = new StringBuilder(256); 5608 } else { 5609 r.append(' '); 5610 } 5611 r.append(p.info.name); 5612 } 5613 } 5614 if (r != null) { 5615 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5616 } 5617 5618 N = pkg.services.size(); 5619 r = null; 5620 for (i=0; i<N; i++) { 5621 PackageParser.Service s = pkg.services.get(i); 5622 mServices.removeService(s); 5623 if (chatty) { 5624 if (r == null) { 5625 r = new StringBuilder(256); 5626 } else { 5627 r.append(' '); 5628 } 5629 r.append(s.info.name); 5630 } 5631 } 5632 if (r != null) { 5633 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5634 } 5635 5636 N = pkg.receivers.size(); 5637 r = null; 5638 for (i=0; i<N; i++) { 5639 PackageParser.Activity a = pkg.receivers.get(i); 5640 mReceivers.removeActivity(a, "receiver"); 5641 if (DEBUG_REMOVE && chatty) { 5642 if (r == null) { 5643 r = new StringBuilder(256); 5644 } else { 5645 r.append(' '); 5646 } 5647 r.append(a.info.name); 5648 } 5649 } 5650 if (r != null) { 5651 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5652 } 5653 5654 N = pkg.activities.size(); 5655 r = null; 5656 for (i=0; i<N; i++) { 5657 PackageParser.Activity a = pkg.activities.get(i); 5658 mActivities.removeActivity(a, "activity"); 5659 if (DEBUG_REMOVE && chatty) { 5660 if (r == null) { 5661 r = new StringBuilder(256); 5662 } else { 5663 r.append(' '); 5664 } 5665 r.append(a.info.name); 5666 } 5667 } 5668 if (r != null) { 5669 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5670 } 5671 5672 N = pkg.permissions.size(); 5673 r = null; 5674 for (i=0; i<N; i++) { 5675 PackageParser.Permission p = pkg.permissions.get(i); 5676 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5677 if (bp == null) { 5678 bp = mSettings.mPermissionTrees.get(p.info.name); 5679 } 5680 if (bp != null && bp.perm == p) { 5681 bp.perm = null; 5682 if (DEBUG_REMOVE && chatty) { 5683 if (r == null) { 5684 r = new StringBuilder(256); 5685 } else { 5686 r.append(' '); 5687 } 5688 r.append(p.info.name); 5689 } 5690 } 5691 } 5692 if (r != null) { 5693 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5694 } 5695 5696 N = pkg.instrumentation.size(); 5697 r = null; 5698 for (i=0; i<N; i++) { 5699 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5700 mInstrumentation.remove(a.getComponentName()); 5701 if (DEBUG_REMOVE && chatty) { 5702 if (r == null) { 5703 r = new StringBuilder(256); 5704 } else { 5705 r.append(' '); 5706 } 5707 r.append(a.info.name); 5708 } 5709 } 5710 if (r != null) { 5711 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5712 } 5713 5714 r = null; 5715 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5716 // Only system apps can hold shared libraries. 5717 if (pkg.libraryNames != null) { 5718 for (i=0; i<pkg.libraryNames.size(); i++) { 5719 String name = pkg.libraryNames.get(i); 5720 SharedLibraryEntry cur = mSharedLibraries.get(name); 5721 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5722 mSharedLibraries.remove(name); 5723 if (DEBUG_REMOVE && chatty) { 5724 if (r == null) { 5725 r = new StringBuilder(256); 5726 } else { 5727 r.append(' '); 5728 } 5729 r.append(name); 5730 } 5731 } 5732 } 5733 } 5734 } 5735 if (r != null) { 5736 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5737 } 5738 } 5739 5740 private static final boolean isPackageFilename(String name) { 5741 return name != null && name.endsWith(".apk"); 5742 } 5743 5744 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5745 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5746 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5747 return true; 5748 } 5749 } 5750 return false; 5751 } 5752 5753 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 5754 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 5755 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 5756 5757 private void updatePermissionsLPw(String changingPkg, 5758 PackageParser.Package pkgInfo, int flags) { 5759 // Make sure there are no dangling permission trees. 5760 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 5761 while (it.hasNext()) { 5762 final BasePermission bp = it.next(); 5763 if (bp.packageSetting == null) { 5764 // We may not yet have parsed the package, so just see if 5765 // we still know about its settings. 5766 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5767 } 5768 if (bp.packageSetting == null) { 5769 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 5770 + " from package " + bp.sourcePackage); 5771 it.remove(); 5772 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5773 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5774 Slog.i(TAG, "Removing old permission tree: " + bp.name 5775 + " from package " + bp.sourcePackage); 5776 flags |= UPDATE_PERMISSIONS_ALL; 5777 it.remove(); 5778 } 5779 } 5780 } 5781 5782 // Make sure all dynamic permissions have been assigned to a package, 5783 // and make sure there are no dangling permissions. 5784 it = mSettings.mPermissions.values().iterator(); 5785 while (it.hasNext()) { 5786 final BasePermission bp = it.next(); 5787 if (bp.type == BasePermission.TYPE_DYNAMIC) { 5788 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 5789 + bp.name + " pkg=" + bp.sourcePackage 5790 + " info=" + bp.pendingInfo); 5791 if (bp.packageSetting == null && bp.pendingInfo != null) { 5792 final BasePermission tree = findPermissionTreeLP(bp.name); 5793 if (tree != null && tree.perm != null) { 5794 bp.packageSetting = tree.packageSetting; 5795 bp.perm = new PackageParser.Permission(tree.perm.owner, 5796 new PermissionInfo(bp.pendingInfo)); 5797 bp.perm.info.packageName = tree.perm.info.packageName; 5798 bp.perm.info.name = bp.name; 5799 bp.uid = tree.uid; 5800 } 5801 } 5802 } 5803 if (bp.packageSetting == null) { 5804 // We may not yet have parsed the package, so just see if 5805 // we still know about its settings. 5806 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5807 } 5808 if (bp.packageSetting == null) { 5809 Slog.w(TAG, "Removing dangling permission: " + bp.name 5810 + " from package " + bp.sourcePackage); 5811 it.remove(); 5812 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5813 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5814 Slog.i(TAG, "Removing old permission: " + bp.name 5815 + " from package " + bp.sourcePackage); 5816 flags |= UPDATE_PERMISSIONS_ALL; 5817 it.remove(); 5818 } 5819 } 5820 } 5821 5822 // Now update the permissions for all packages, in particular 5823 // replace the granted permissions of the system packages. 5824 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 5825 for (PackageParser.Package pkg : mPackages.values()) { 5826 if (pkg != pkgInfo) { 5827 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 5828 } 5829 } 5830 } 5831 5832 if (pkgInfo != null) { 5833 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 5834 } 5835 } 5836 5837 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 5838 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5839 if (ps == null) { 5840 return; 5841 } 5842 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 5843 HashSet<String> origPermissions = gp.grantedPermissions; 5844 boolean changedPermission = false; 5845 5846 if (replace) { 5847 ps.permissionsFixed = false; 5848 if (gp == ps) { 5849 origPermissions = new HashSet<String>(gp.grantedPermissions); 5850 gp.grantedPermissions.clear(); 5851 gp.gids = mGlobalGids; 5852 } 5853 } 5854 5855 if (gp.gids == null) { 5856 gp.gids = mGlobalGids; 5857 } 5858 5859 final int N = pkg.requestedPermissions.size(); 5860 for (int i=0; i<N; i++) { 5861 final String name = pkg.requestedPermissions.get(i); 5862 final boolean required = pkg.requestedPermissionsRequired.get(i); 5863 final BasePermission bp = mSettings.mPermissions.get(name); 5864 if (DEBUG_INSTALL) { 5865 if (gp != ps) { 5866 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 5867 } 5868 } 5869 5870 if (bp == null || bp.packageSetting == null) { 5871 Slog.w(TAG, "Unknown permission " + name 5872 + " in package " + pkg.packageName); 5873 continue; 5874 } 5875 5876 final String perm = bp.name; 5877 boolean allowed; 5878 boolean allowedSig = false; 5879 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 5880 if (level == PermissionInfo.PROTECTION_NORMAL 5881 || level == PermissionInfo.PROTECTION_DANGEROUS) { 5882 // We grant a normal or dangerous permission if any of the following 5883 // are true: 5884 // 1) The permission is required 5885 // 2) The permission is optional, but was granted in the past 5886 // 3) The permission is optional, but was requested by an 5887 // app in /system (not /data) 5888 // 5889 // Otherwise, reject the permission. 5890 allowed = (required || origPermissions.contains(perm) 5891 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 5892 } else if (bp.packageSetting == null) { 5893 // This permission is invalid; skip it. 5894 allowed = false; 5895 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 5896 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 5897 if (allowed) { 5898 allowedSig = true; 5899 } 5900 } else { 5901 allowed = false; 5902 } 5903 if (DEBUG_INSTALL) { 5904 if (gp != ps) { 5905 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 5906 } 5907 } 5908 if (allowed) { 5909 if (!isSystemApp(ps) && ps.permissionsFixed) { 5910 // If this is an existing, non-system package, then 5911 // we can't add any new permissions to it. 5912 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 5913 // Except... if this is a permission that was added 5914 // to the platform (note: need to only do this when 5915 // updating the platform). 5916 allowed = isNewPlatformPermissionForPackage(perm, pkg); 5917 } 5918 } 5919 if (allowed) { 5920 if (!gp.grantedPermissions.contains(perm)) { 5921 changedPermission = true; 5922 gp.grantedPermissions.add(perm); 5923 gp.gids = appendInts(gp.gids, bp.gids); 5924 } else if (!ps.haveGids) { 5925 gp.gids = appendInts(gp.gids, bp.gids); 5926 } 5927 } else { 5928 Slog.w(TAG, "Not granting permission " + perm 5929 + " to package " + pkg.packageName 5930 + " because it was previously installed without"); 5931 } 5932 } else { 5933 if (gp.grantedPermissions.remove(perm)) { 5934 changedPermission = true; 5935 gp.gids = removeInts(gp.gids, bp.gids); 5936 Slog.i(TAG, "Un-granting permission " + perm 5937 + " from package " + pkg.packageName 5938 + " (protectionLevel=" + bp.protectionLevel 5939 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5940 + ")"); 5941 } else { 5942 Slog.w(TAG, "Not granting permission " + perm 5943 + " to package " + pkg.packageName 5944 + " (protectionLevel=" + bp.protectionLevel 5945 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5946 + ")"); 5947 } 5948 } 5949 } 5950 5951 if ((changedPermission || replace) && !ps.permissionsFixed && 5952 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 5953 // This is the first that we have heard about this package, so the 5954 // permissions we have now selected are fixed until explicitly 5955 // changed. 5956 ps.permissionsFixed = true; 5957 } 5958 ps.haveGids = true; 5959 } 5960 5961 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 5962 boolean allowed = false; 5963 final int NP = PackageParser.NEW_PERMISSIONS.length; 5964 for (int ip=0; ip<NP; ip++) { 5965 final PackageParser.NewPermissionInfo npi 5966 = PackageParser.NEW_PERMISSIONS[ip]; 5967 if (npi.name.equals(perm) 5968 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 5969 allowed = true; 5970 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 5971 + pkg.packageName); 5972 break; 5973 } 5974 } 5975 return allowed; 5976 } 5977 5978 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 5979 BasePermission bp, HashSet<String> origPermissions) { 5980 boolean allowed; 5981 allowed = (compareSignatures( 5982 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 5983 == PackageManager.SIGNATURE_MATCH) 5984 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 5985 == PackageManager.SIGNATURE_MATCH); 5986 if (!allowed && (bp.protectionLevel 5987 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 5988 if (isSystemApp(pkg)) { 5989 // For updated system applications, a system permission 5990 // is granted only if it had been defined by the original application. 5991 if (isUpdatedSystemApp(pkg)) { 5992 final PackageSetting sysPs = mSettings 5993 .getDisabledSystemPkgLPr(pkg.packageName); 5994 final GrantedPermissions origGp = sysPs.sharedUser != null 5995 ? sysPs.sharedUser : sysPs; 5996 5997 if (origGp.grantedPermissions.contains(perm)) { 5998 // If the original was granted this permission, we take 5999 // that grant decision as read and propagate it to the 6000 // update. 6001 allowed = true; 6002 } else { 6003 // The system apk may have been updated with an older 6004 // version of the one on the data partition, but which 6005 // granted a new system permission that it didn't have 6006 // before. In this case we do want to allow the app to 6007 // now get the new permission if the ancestral apk is 6008 // privileged to get it. 6009 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6010 for (int j=0; 6011 j<sysPs.pkg.requestedPermissions.size(); j++) { 6012 if (perm.equals( 6013 sysPs.pkg.requestedPermissions.get(j))) { 6014 allowed = true; 6015 break; 6016 } 6017 } 6018 } 6019 } 6020 } else { 6021 allowed = isPrivilegedApp(pkg); 6022 } 6023 } 6024 } 6025 if (!allowed && (bp.protectionLevel 6026 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6027 // For development permissions, a development permission 6028 // is granted only if it was already granted. 6029 allowed = origPermissions.contains(perm); 6030 } 6031 return allowed; 6032 } 6033 6034 final class ActivityIntentResolver 6035 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6036 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6037 boolean defaultOnly, int userId) { 6038 if (!sUserManager.exists(userId)) return null; 6039 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6040 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6041 } 6042 6043 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6044 int userId) { 6045 if (!sUserManager.exists(userId)) return null; 6046 mFlags = flags; 6047 return super.queryIntent(intent, resolvedType, 6048 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6049 } 6050 6051 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6052 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6053 if (!sUserManager.exists(userId)) return null; 6054 if (packageActivities == null) { 6055 return null; 6056 } 6057 mFlags = flags; 6058 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6059 final int N = packageActivities.size(); 6060 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6061 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6062 6063 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6064 for (int i = 0; i < N; ++i) { 6065 intentFilters = packageActivities.get(i).intents; 6066 if (intentFilters != null && intentFilters.size() > 0) { 6067 PackageParser.ActivityIntentInfo[] array = 6068 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6069 intentFilters.toArray(array); 6070 listCut.add(array); 6071 } 6072 } 6073 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6074 } 6075 6076 public final void addActivity(PackageParser.Activity a, String type) { 6077 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6078 mActivities.put(a.getComponentName(), a); 6079 if (DEBUG_SHOW_INFO) 6080 Log.v( 6081 TAG, " " + type + " " + 6082 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6083 if (DEBUG_SHOW_INFO) 6084 Log.v(TAG, " Class=" + a.info.name); 6085 final int NI = a.intents.size(); 6086 for (int j=0; j<NI; j++) { 6087 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6088 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6089 intent.setPriority(0); 6090 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6091 + a.className + " with priority > 0, forcing to 0"); 6092 } 6093 if (DEBUG_SHOW_INFO) { 6094 Log.v(TAG, " IntentFilter:"); 6095 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6096 } 6097 if (!intent.debugCheck()) { 6098 Log.w(TAG, "==> For Activity " + a.info.name); 6099 } 6100 addFilter(intent); 6101 } 6102 } 6103 6104 public final void removeActivity(PackageParser.Activity a, String type) { 6105 mActivities.remove(a.getComponentName()); 6106 if (DEBUG_SHOW_INFO) { 6107 Log.v(TAG, " " + type + " " 6108 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6109 : a.info.name) + ":"); 6110 Log.v(TAG, " Class=" + a.info.name); 6111 } 6112 final int NI = a.intents.size(); 6113 for (int j=0; j<NI; j++) { 6114 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6115 if (DEBUG_SHOW_INFO) { 6116 Log.v(TAG, " IntentFilter:"); 6117 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6118 } 6119 removeFilter(intent); 6120 } 6121 } 6122 6123 @Override 6124 protected boolean allowFilterResult( 6125 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6126 ActivityInfo filterAi = filter.activity.info; 6127 for (int i=dest.size()-1; i>=0; i--) { 6128 ActivityInfo destAi = dest.get(i).activityInfo; 6129 if (destAi.name == filterAi.name 6130 && destAi.packageName == filterAi.packageName) { 6131 return false; 6132 } 6133 } 6134 return true; 6135 } 6136 6137 @Override 6138 protected ActivityIntentInfo[] newArray(int size) { 6139 return new ActivityIntentInfo[size]; 6140 } 6141 6142 @Override 6143 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6144 if (!sUserManager.exists(userId)) return true; 6145 PackageParser.Package p = filter.activity.owner; 6146 if (p != null) { 6147 PackageSetting ps = (PackageSetting)p.mExtras; 6148 if (ps != null) { 6149 // System apps are never considered stopped for purposes of 6150 // filtering, because there may be no way for the user to 6151 // actually re-launch them. 6152 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6153 && ps.getStopped(userId); 6154 } 6155 } 6156 return false; 6157 } 6158 6159 @Override 6160 protected boolean isPackageForFilter(String packageName, 6161 PackageParser.ActivityIntentInfo info) { 6162 return packageName.equals(info.activity.owner.packageName); 6163 } 6164 6165 @Override 6166 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6167 int match, int userId) { 6168 if (!sUserManager.exists(userId)) return null; 6169 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6170 return null; 6171 } 6172 final PackageParser.Activity activity = info.activity; 6173 if (mSafeMode && (activity.info.applicationInfo.flags 6174 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6175 return null; 6176 } 6177 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6178 if (ps == null) { 6179 return null; 6180 } 6181 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6182 ps.readUserState(userId), userId); 6183 if (ai == null) { 6184 return null; 6185 } 6186 final ResolveInfo res = new ResolveInfo(); 6187 res.activityInfo = ai; 6188 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6189 res.filter = info; 6190 } 6191 res.priority = info.getPriority(); 6192 res.preferredOrder = activity.owner.mPreferredOrder; 6193 //System.out.println("Result: " + res.activityInfo.className + 6194 // " = " + res.priority); 6195 res.match = match; 6196 res.isDefault = info.hasDefault; 6197 res.labelRes = info.labelRes; 6198 res.nonLocalizedLabel = info.nonLocalizedLabel; 6199 res.icon = info.icon; 6200 res.system = isSystemApp(res.activityInfo.applicationInfo); 6201 return res; 6202 } 6203 6204 @Override 6205 protected void sortResults(List<ResolveInfo> results) { 6206 Collections.sort(results, mResolvePrioritySorter); 6207 } 6208 6209 @Override 6210 protected void dumpFilter(PrintWriter out, String prefix, 6211 PackageParser.ActivityIntentInfo filter) { 6212 out.print(prefix); out.print( 6213 Integer.toHexString(System.identityHashCode(filter.activity))); 6214 out.print(' '); 6215 filter.activity.printComponentShortName(out); 6216 out.print(" filter "); 6217 out.println(Integer.toHexString(System.identityHashCode(filter))); 6218 } 6219 6220// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6221// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6222// final List<ResolveInfo> retList = Lists.newArrayList(); 6223// while (i.hasNext()) { 6224// final ResolveInfo resolveInfo = i.next(); 6225// if (isEnabledLP(resolveInfo.activityInfo)) { 6226// retList.add(resolveInfo); 6227// } 6228// } 6229// return retList; 6230// } 6231 6232 // Keys are String (activity class name), values are Activity. 6233 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6234 = new HashMap<ComponentName, PackageParser.Activity>(); 6235 private int mFlags; 6236 } 6237 6238 private final class ServiceIntentResolver 6239 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6240 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6241 boolean defaultOnly, int userId) { 6242 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6243 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6244 } 6245 6246 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6247 int userId) { 6248 if (!sUserManager.exists(userId)) return null; 6249 mFlags = flags; 6250 return super.queryIntent(intent, resolvedType, 6251 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6252 } 6253 6254 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6255 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6256 if (!sUserManager.exists(userId)) return null; 6257 if (packageServices == null) { 6258 return null; 6259 } 6260 mFlags = flags; 6261 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6262 final int N = packageServices.size(); 6263 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6264 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6265 6266 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6267 for (int i = 0; i < N; ++i) { 6268 intentFilters = packageServices.get(i).intents; 6269 if (intentFilters != null && intentFilters.size() > 0) { 6270 PackageParser.ServiceIntentInfo[] array = 6271 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6272 intentFilters.toArray(array); 6273 listCut.add(array); 6274 } 6275 } 6276 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6277 } 6278 6279 public final void addService(PackageParser.Service s) { 6280 mServices.put(s.getComponentName(), s); 6281 if (DEBUG_SHOW_INFO) { 6282 Log.v(TAG, " " 6283 + (s.info.nonLocalizedLabel != null 6284 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6285 Log.v(TAG, " Class=" + s.info.name); 6286 } 6287 final int NI = s.intents.size(); 6288 int j; 6289 for (j=0; j<NI; j++) { 6290 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6291 if (DEBUG_SHOW_INFO) { 6292 Log.v(TAG, " IntentFilter:"); 6293 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6294 } 6295 if (!intent.debugCheck()) { 6296 Log.w(TAG, "==> For Service " + s.info.name); 6297 } 6298 addFilter(intent); 6299 } 6300 } 6301 6302 public final void removeService(PackageParser.Service s) { 6303 mServices.remove(s.getComponentName()); 6304 if (DEBUG_SHOW_INFO) { 6305 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6306 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6307 Log.v(TAG, " Class=" + s.info.name); 6308 } 6309 final int NI = s.intents.size(); 6310 int j; 6311 for (j=0; j<NI; j++) { 6312 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6313 if (DEBUG_SHOW_INFO) { 6314 Log.v(TAG, " IntentFilter:"); 6315 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6316 } 6317 removeFilter(intent); 6318 } 6319 } 6320 6321 @Override 6322 protected boolean allowFilterResult( 6323 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6324 ServiceInfo filterSi = filter.service.info; 6325 for (int i=dest.size()-1; i>=0; i--) { 6326 ServiceInfo destAi = dest.get(i).serviceInfo; 6327 if (destAi.name == filterSi.name 6328 && destAi.packageName == filterSi.packageName) { 6329 return false; 6330 } 6331 } 6332 return true; 6333 } 6334 6335 @Override 6336 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6337 return new PackageParser.ServiceIntentInfo[size]; 6338 } 6339 6340 @Override 6341 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6342 if (!sUserManager.exists(userId)) return true; 6343 PackageParser.Package p = filter.service.owner; 6344 if (p != null) { 6345 PackageSetting ps = (PackageSetting)p.mExtras; 6346 if (ps != null) { 6347 // System apps are never considered stopped for purposes of 6348 // filtering, because there may be no way for the user to 6349 // actually re-launch them. 6350 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6351 && ps.getStopped(userId); 6352 } 6353 } 6354 return false; 6355 } 6356 6357 @Override 6358 protected boolean isPackageForFilter(String packageName, 6359 PackageParser.ServiceIntentInfo info) { 6360 return packageName.equals(info.service.owner.packageName); 6361 } 6362 6363 @Override 6364 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6365 int match, int userId) { 6366 if (!sUserManager.exists(userId)) return null; 6367 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6368 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6369 return null; 6370 } 6371 final PackageParser.Service service = info.service; 6372 if (mSafeMode && (service.info.applicationInfo.flags 6373 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6374 return null; 6375 } 6376 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6377 if (ps == null) { 6378 return null; 6379 } 6380 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6381 ps.readUserState(userId), userId); 6382 if (si == null) { 6383 return null; 6384 } 6385 final ResolveInfo res = new ResolveInfo(); 6386 res.serviceInfo = si; 6387 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6388 res.filter = filter; 6389 } 6390 res.priority = info.getPriority(); 6391 res.preferredOrder = service.owner.mPreferredOrder; 6392 //System.out.println("Result: " + res.activityInfo.className + 6393 // " = " + res.priority); 6394 res.match = match; 6395 res.isDefault = info.hasDefault; 6396 res.labelRes = info.labelRes; 6397 res.nonLocalizedLabel = info.nonLocalizedLabel; 6398 res.icon = info.icon; 6399 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6400 return res; 6401 } 6402 6403 @Override 6404 protected void sortResults(List<ResolveInfo> results) { 6405 Collections.sort(results, mResolvePrioritySorter); 6406 } 6407 6408 @Override 6409 protected void dumpFilter(PrintWriter out, String prefix, 6410 PackageParser.ServiceIntentInfo filter) { 6411 out.print(prefix); out.print( 6412 Integer.toHexString(System.identityHashCode(filter.service))); 6413 out.print(' '); 6414 filter.service.printComponentShortName(out); 6415 out.print(" filter "); 6416 out.println(Integer.toHexString(System.identityHashCode(filter))); 6417 } 6418 6419// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6420// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6421// final List<ResolveInfo> retList = Lists.newArrayList(); 6422// while (i.hasNext()) { 6423// final ResolveInfo resolveInfo = (ResolveInfo) i; 6424// if (isEnabledLP(resolveInfo.serviceInfo)) { 6425// retList.add(resolveInfo); 6426// } 6427// } 6428// return retList; 6429// } 6430 6431 // Keys are String (activity class name), values are Activity. 6432 private final HashMap<ComponentName, PackageParser.Service> mServices 6433 = new HashMap<ComponentName, PackageParser.Service>(); 6434 private int mFlags; 6435 }; 6436 6437 private final class ProviderIntentResolver 6438 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6439 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6440 boolean defaultOnly, int userId) { 6441 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6442 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6443 } 6444 6445 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6446 int userId) { 6447 if (!sUserManager.exists(userId)) 6448 return null; 6449 mFlags = flags; 6450 return super.queryIntent(intent, resolvedType, 6451 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6452 } 6453 6454 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6455 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6456 if (!sUserManager.exists(userId)) 6457 return null; 6458 if (packageProviders == null) { 6459 return null; 6460 } 6461 mFlags = flags; 6462 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6463 final int N = packageProviders.size(); 6464 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6465 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6466 6467 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6468 for (int i = 0; i < N; ++i) { 6469 intentFilters = packageProviders.get(i).intents; 6470 if (intentFilters != null && intentFilters.size() > 0) { 6471 PackageParser.ProviderIntentInfo[] array = 6472 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6473 intentFilters.toArray(array); 6474 listCut.add(array); 6475 } 6476 } 6477 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6478 } 6479 6480 public final void addProvider(PackageParser.Provider p) { 6481 if (mProviders.containsKey(p.getComponentName())) { 6482 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 6483 return; 6484 } 6485 6486 mProviders.put(p.getComponentName(), p); 6487 if (DEBUG_SHOW_INFO) { 6488 Log.v(TAG, " " 6489 + (p.info.nonLocalizedLabel != null 6490 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6491 Log.v(TAG, " Class=" + p.info.name); 6492 } 6493 final int NI = p.intents.size(); 6494 int j; 6495 for (j = 0; j < NI; j++) { 6496 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6497 if (DEBUG_SHOW_INFO) { 6498 Log.v(TAG, " IntentFilter:"); 6499 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6500 } 6501 if (!intent.debugCheck()) { 6502 Log.w(TAG, "==> For Provider " + p.info.name); 6503 } 6504 addFilter(intent); 6505 } 6506 } 6507 6508 public final void removeProvider(PackageParser.Provider p) { 6509 mProviders.remove(p.getComponentName()); 6510 if (DEBUG_SHOW_INFO) { 6511 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6512 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6513 Log.v(TAG, " Class=" + p.info.name); 6514 } 6515 final int NI = p.intents.size(); 6516 int j; 6517 for (j = 0; j < NI; j++) { 6518 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6519 if (DEBUG_SHOW_INFO) { 6520 Log.v(TAG, " IntentFilter:"); 6521 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6522 } 6523 removeFilter(intent); 6524 } 6525 } 6526 6527 @Override 6528 protected boolean allowFilterResult( 6529 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6530 ProviderInfo filterPi = filter.provider.info; 6531 for (int i = dest.size() - 1; i >= 0; i--) { 6532 ProviderInfo destPi = dest.get(i).providerInfo; 6533 if (destPi.name == filterPi.name 6534 && destPi.packageName == filterPi.packageName) { 6535 return false; 6536 } 6537 } 6538 return true; 6539 } 6540 6541 @Override 6542 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6543 return new PackageParser.ProviderIntentInfo[size]; 6544 } 6545 6546 @Override 6547 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6548 if (!sUserManager.exists(userId)) 6549 return true; 6550 PackageParser.Package p = filter.provider.owner; 6551 if (p != null) { 6552 PackageSetting ps = (PackageSetting) p.mExtras; 6553 if (ps != null) { 6554 // System apps are never considered stopped for purposes of 6555 // filtering, because there may be no way for the user to 6556 // actually re-launch them. 6557 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6558 && ps.getStopped(userId); 6559 } 6560 } 6561 return false; 6562 } 6563 6564 @Override 6565 protected boolean isPackageForFilter(String packageName, 6566 PackageParser.ProviderIntentInfo info) { 6567 return packageName.equals(info.provider.owner.packageName); 6568 } 6569 6570 @Override 6571 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6572 int match, int userId) { 6573 if (!sUserManager.exists(userId)) 6574 return null; 6575 final PackageParser.ProviderIntentInfo info = filter; 6576 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6577 return null; 6578 } 6579 final PackageParser.Provider provider = info.provider; 6580 if (mSafeMode && (provider.info.applicationInfo.flags 6581 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6582 return null; 6583 } 6584 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6585 if (ps == null) { 6586 return null; 6587 } 6588 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6589 ps.readUserState(userId), userId); 6590 if (pi == null) { 6591 return null; 6592 } 6593 final ResolveInfo res = new ResolveInfo(); 6594 res.providerInfo = pi; 6595 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6596 res.filter = filter; 6597 } 6598 res.priority = info.getPriority(); 6599 res.preferredOrder = provider.owner.mPreferredOrder; 6600 res.match = match; 6601 res.isDefault = info.hasDefault; 6602 res.labelRes = info.labelRes; 6603 res.nonLocalizedLabel = info.nonLocalizedLabel; 6604 res.icon = info.icon; 6605 res.system = isSystemApp(res.providerInfo.applicationInfo); 6606 return res; 6607 } 6608 6609 @Override 6610 protected void sortResults(List<ResolveInfo> results) { 6611 Collections.sort(results, mResolvePrioritySorter); 6612 } 6613 6614 @Override 6615 protected void dumpFilter(PrintWriter out, String prefix, 6616 PackageParser.ProviderIntentInfo filter) { 6617 out.print(prefix); 6618 out.print( 6619 Integer.toHexString(System.identityHashCode(filter.provider))); 6620 out.print(' '); 6621 filter.provider.printComponentShortName(out); 6622 out.print(" filter "); 6623 out.println(Integer.toHexString(System.identityHashCode(filter))); 6624 } 6625 6626 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6627 = new HashMap<ComponentName, PackageParser.Provider>(); 6628 private int mFlags; 6629 }; 6630 6631 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6632 new Comparator<ResolveInfo>() { 6633 public int compare(ResolveInfo r1, ResolveInfo r2) { 6634 int v1 = r1.priority; 6635 int v2 = r2.priority; 6636 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6637 if (v1 != v2) { 6638 return (v1 > v2) ? -1 : 1; 6639 } 6640 v1 = r1.preferredOrder; 6641 v2 = r2.preferredOrder; 6642 if (v1 != v2) { 6643 return (v1 > v2) ? -1 : 1; 6644 } 6645 if (r1.isDefault != r2.isDefault) { 6646 return r1.isDefault ? -1 : 1; 6647 } 6648 v1 = r1.match; 6649 v2 = r2.match; 6650 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6651 if (v1 != v2) { 6652 return (v1 > v2) ? -1 : 1; 6653 } 6654 if (r1.system != r2.system) { 6655 return r1.system ? -1 : 1; 6656 } 6657 return 0; 6658 } 6659 }; 6660 6661 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6662 new Comparator<ProviderInfo>() { 6663 public int compare(ProviderInfo p1, ProviderInfo p2) { 6664 final int v1 = p1.initOrder; 6665 final int v2 = p2.initOrder; 6666 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6667 } 6668 }; 6669 6670 static final void sendPackageBroadcast(String action, String pkg, 6671 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6672 int[] userIds) { 6673 IActivityManager am = ActivityManagerNative.getDefault(); 6674 if (am != null) { 6675 try { 6676 if (userIds == null) { 6677 userIds = am.getRunningUserIds(); 6678 } 6679 for (int id : userIds) { 6680 final Intent intent = new Intent(action, 6681 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6682 if (extras != null) { 6683 intent.putExtras(extras); 6684 } 6685 if (targetPkg != null) { 6686 intent.setPackage(targetPkg); 6687 } 6688 // Modify the UID when posting to other users 6689 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6690 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6691 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6692 intent.putExtra(Intent.EXTRA_UID, uid); 6693 } 6694 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6695 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6696 if (DEBUG_BROADCASTS) { 6697 RuntimeException here = new RuntimeException("here"); 6698 here.fillInStackTrace(); 6699 Slog.d(TAG, "Sending to user " + id + ": " 6700 + intent.toShortString(false, true, false, false) 6701 + " " + intent.getExtras(), here); 6702 } 6703 am.broadcastIntent(null, intent, null, finishedReceiver, 6704 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6705 finishedReceiver != null, false, id); 6706 } 6707 } catch (RemoteException ex) { 6708 } 6709 } 6710 } 6711 6712 /** 6713 * Check if the external storage media is available. This is true if there 6714 * is a mounted external storage medium or if the external storage is 6715 * emulated. 6716 */ 6717 private boolean isExternalMediaAvailable() { 6718 return mMediaMounted || Environment.isExternalStorageEmulated(); 6719 } 6720 6721 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6722 // writer 6723 synchronized (mPackages) { 6724 if (!isExternalMediaAvailable()) { 6725 // If the external storage is no longer mounted at this point, 6726 // the caller may not have been able to delete all of this 6727 // packages files and can not delete any more. Bail. 6728 return null; 6729 } 6730 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6731 if (lastPackage != null) { 6732 pkgs.remove(lastPackage); 6733 } 6734 if (pkgs.size() > 0) { 6735 return pkgs.get(0); 6736 } 6737 } 6738 return null; 6739 } 6740 6741 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6742 if (false) { 6743 RuntimeException here = new RuntimeException("here"); 6744 here.fillInStackTrace(); 6745 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6746 + " andCode=" + andCode, here); 6747 } 6748 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6749 userId, andCode ? 1 : 0, packageName)); 6750 } 6751 6752 void startCleaningPackages() { 6753 // reader 6754 synchronized (mPackages) { 6755 if (!isExternalMediaAvailable()) { 6756 return; 6757 } 6758 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 6759 return; 6760 } 6761 } 6762 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 6763 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 6764 IActivityManager am = ActivityManagerNative.getDefault(); 6765 if (am != null) { 6766 try { 6767 am.startService(null, intent, null, UserHandle.USER_OWNER); 6768 } catch (RemoteException e) { 6769 } 6770 } 6771 } 6772 6773 private final class AppDirObserver extends FileObserver { 6774 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 6775 super(path, mask); 6776 mRootDir = path; 6777 mIsRom = isrom; 6778 mIsPrivileged = isPrivileged; 6779 } 6780 6781 public void onEvent(int event, String path) { 6782 String removedPackage = null; 6783 int removedAppId = -1; 6784 int[] removedUsers = null; 6785 String addedPackage = null; 6786 int addedAppId = -1; 6787 int[] addedUsers = null; 6788 6789 // TODO post a message to the handler to obtain serial ordering 6790 synchronized (mInstallLock) { 6791 String fullPathStr = null; 6792 File fullPath = null; 6793 if (path != null) { 6794 fullPath = new File(mRootDir, path); 6795 fullPathStr = fullPath.getPath(); 6796 } 6797 6798 if (DEBUG_APP_DIR_OBSERVER) 6799 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 6800 6801 if (!isPackageFilename(path)) { 6802 if (DEBUG_APP_DIR_OBSERVER) 6803 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 6804 return; 6805 } 6806 6807 // Ignore packages that are being installed or 6808 // have just been installed. 6809 if (ignoreCodePath(fullPathStr)) { 6810 return; 6811 } 6812 PackageParser.Package p = null; 6813 PackageSetting ps = null; 6814 // reader 6815 synchronized (mPackages) { 6816 p = mAppDirs.get(fullPathStr); 6817 if (p != null) { 6818 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 6819 if (ps != null) { 6820 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 6821 } else { 6822 removedUsers = sUserManager.getUserIds(); 6823 } 6824 } 6825 addedUsers = sUserManager.getUserIds(); 6826 } 6827 if ((event&REMOVE_EVENTS) != 0) { 6828 if (ps != null) { 6829 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 6830 removePackageLI(ps, true); 6831 removedPackage = ps.name; 6832 removedAppId = ps.appId; 6833 } 6834 } 6835 6836 if ((event&ADD_EVENTS) != 0) { 6837 if (p == null) { 6838 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 6839 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 6840 if (mIsRom) { 6841 flags |= PackageParser.PARSE_IS_SYSTEM 6842 | PackageParser.PARSE_IS_SYSTEM_DIR; 6843 if (mIsPrivileged) { 6844 flags |= PackageParser.PARSE_IS_PRIVILEGED; 6845 } 6846 } 6847 p = scanPackageLI(fullPath, flags, 6848 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 6849 System.currentTimeMillis(), UserHandle.ALL); 6850 if (p != null) { 6851 /* 6852 * TODO this seems dangerous as the package may have 6853 * changed since we last acquired the mPackages 6854 * lock. 6855 */ 6856 // writer 6857 synchronized (mPackages) { 6858 updatePermissionsLPw(p.packageName, p, 6859 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 6860 } 6861 addedPackage = p.applicationInfo.packageName; 6862 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 6863 } 6864 } 6865 } 6866 6867 // reader 6868 synchronized (mPackages) { 6869 mSettings.writeLPr(); 6870 } 6871 } 6872 6873 if (removedPackage != null) { 6874 Bundle extras = new Bundle(1); 6875 extras.putInt(Intent.EXTRA_UID, removedAppId); 6876 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 6877 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 6878 extras, null, null, removedUsers); 6879 } 6880 if (addedPackage != null) { 6881 Bundle extras = new Bundle(1); 6882 extras.putInt(Intent.EXTRA_UID, addedAppId); 6883 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 6884 extras, null, null, addedUsers); 6885 } 6886 } 6887 6888 private final String mRootDir; 6889 private final boolean mIsRom; 6890 private final boolean mIsPrivileged; 6891 } 6892 6893 /* 6894 * The old-style observer methods all just trampoline to the newer signature with 6895 * expanded install observer API. The older API continues to work but does not 6896 * supply the additional details of the Observer2 API. 6897 */ 6898 6899 /* Called when a downloaded package installation has been confirmed by the user */ 6900 public void installPackage( 6901 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 6902 installPackageEtc(packageURI, observer, null, flags, null); 6903 } 6904 6905 /* Called when a downloaded package installation has been confirmed by the user */ 6906 public void installPackage( 6907 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 6908 final String installerPackageName) { 6909 installPackageWithVerificationEtc(packageURI, observer, null, flags, 6910 installerPackageName, null, null, null); 6911 } 6912 6913 @Override 6914 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 6915 int flags, String installerPackageName, Uri verificationURI, 6916 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 6917 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 6918 VerificationParams.NO_UID, manifestDigest); 6919 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 6920 installerPackageName, verificationParams, encryptionParams); 6921 } 6922 6923 public void installPackageWithVerificationAndEncryption(Uri packageURI, 6924 IPackageInstallObserver observer, int flags, String installerPackageName, 6925 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 6926 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 6927 installerPackageName, verificationParams, encryptionParams); 6928 } 6929 6930 /* 6931 * And here are the "live" versions that take both observer arguments 6932 */ 6933 public void installPackageEtc( 6934 final Uri packageURI, final IPackageInstallObserver observer, 6935 IPackageInstallObserver2 observer2, final int flags) { 6936 installPackageEtc(packageURI, observer, observer2, flags, null); 6937 } 6938 6939 public void installPackageEtc( 6940 final Uri packageURI, final IPackageInstallObserver observer, 6941 final IPackageInstallObserver2 observer2, final int flags, 6942 final String installerPackageName) { 6943 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 6944 installerPackageName, null, null, null); 6945 } 6946 6947 @Override 6948 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 6949 IPackageInstallObserver2 observer2, 6950 int flags, String installerPackageName, Uri verificationURI, 6951 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 6952 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 6953 VerificationParams.NO_UID, manifestDigest); 6954 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 6955 installerPackageName, verificationParams, encryptionParams); 6956 } 6957 6958 /* 6959 * All of the installPackage...*() methods redirect to this one for the master implementation 6960 */ 6961 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 6962 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 6963 int flags, String installerPackageName, 6964 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 6965 if (observer == null && observer2 == null) { 6966 throw new IllegalArgumentException("No install observer supplied"); 6967 } 6968 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6969 null); 6970 6971 final int uid = Binder.getCallingUid(); 6972 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 6973 try { 6974 if (observer != null) { 6975 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 6976 } 6977 if (observer2 != null) { 6978 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 6979 } 6980 } catch (RemoteException re) { 6981 } 6982 return; 6983 } 6984 6985 UserHandle user; 6986 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 6987 user = UserHandle.ALL; 6988 } else { 6989 user = new UserHandle(UserHandle.getUserId(uid)); 6990 } 6991 6992 final int filteredFlags; 6993 6994 if (uid == Process.SHELL_UID || uid == 0) { 6995 if (DEBUG_INSTALL) { 6996 Slog.v(TAG, "Install from ADB"); 6997 } 6998 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 6999 } else { 7000 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7001 } 7002 7003 verificationParams.setInstallerUid(uid); 7004 7005 final Message msg = mHandler.obtainMessage(INIT_COPY); 7006 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7007 installerPackageName, verificationParams, encryptionParams, user); 7008 mHandler.sendMessage(msg); 7009 } 7010 7011 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7012 Bundle extras = new Bundle(1); 7013 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7014 7015 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7016 packageName, extras, null, null, new int[] {userId}); 7017 try { 7018 IActivityManager am = ActivityManagerNative.getDefault(); 7019 final boolean isSystem = 7020 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7021 if (isSystem && am.isUserRunning(userId, false)) { 7022 // The just-installed/enabled app is bundled on the system, so presumed 7023 // to be able to run automatically without needing an explicit launch. 7024 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7025 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7026 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7027 .setPackage(packageName); 7028 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7029 android.app.AppOpsManager.OP_NONE, false, false, userId); 7030 } 7031 } catch (RemoteException e) { 7032 // shouldn't happen 7033 Slog.w(TAG, "Unable to bootstrap installed package", e); 7034 } 7035 } 7036 7037 @Override 7038 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7039 int userId) { 7040 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7041 PackageSetting pkgSetting; 7042 final int uid = Binder.getCallingUid(); 7043 if (UserHandle.getUserId(uid) != userId) { 7044 mContext.enforceCallingOrSelfPermission( 7045 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7046 "setApplicationBlockedSetting for user " + userId); 7047 } 7048 7049 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7050 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7051 return false; 7052 } 7053 7054 long callingId = Binder.clearCallingIdentity(); 7055 try { 7056 boolean sendAdded = false; 7057 boolean sendRemoved = false; 7058 // writer 7059 synchronized (mPackages) { 7060 pkgSetting = mSettings.mPackages.get(packageName); 7061 if (pkgSetting == null) { 7062 return false; 7063 } 7064 if (pkgSetting.getBlocked(userId) != blocked) { 7065 pkgSetting.setBlocked(blocked, userId); 7066 mSettings.writePackageRestrictionsLPr(userId); 7067 if (blocked) { 7068 sendRemoved = true; 7069 } else { 7070 sendAdded = true; 7071 } 7072 } 7073 } 7074 if (sendAdded) { 7075 sendPackageAddedForUser(packageName, pkgSetting, userId); 7076 return true; 7077 } 7078 if (sendRemoved) { 7079 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7080 "blocking pkg"); 7081 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7082 } 7083 } finally { 7084 Binder.restoreCallingIdentity(callingId); 7085 } 7086 return false; 7087 } 7088 7089 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7090 int userId) { 7091 final PackageRemovedInfo info = new PackageRemovedInfo(); 7092 info.removedPackage = packageName; 7093 info.removedUsers = new int[] {userId}; 7094 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7095 info.sendBroadcast(false, false, false); 7096 } 7097 7098 /** 7099 * Returns true if application is not found or there was an error. Otherwise it returns 7100 * the blocked state of the package for the given user. 7101 */ 7102 @Override 7103 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7104 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7105 PackageSetting pkgSetting; 7106 final int uid = Binder.getCallingUid(); 7107 if (UserHandle.getUserId(uid) != userId) { 7108 mContext.enforceCallingPermission( 7109 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7110 "getApplicationBlocked for user " + userId); 7111 } 7112 long callingId = Binder.clearCallingIdentity(); 7113 try { 7114 // writer 7115 synchronized (mPackages) { 7116 pkgSetting = mSettings.mPackages.get(packageName); 7117 if (pkgSetting == null) { 7118 return true; 7119 } 7120 return pkgSetting.getBlocked(userId); 7121 } 7122 } finally { 7123 Binder.restoreCallingIdentity(callingId); 7124 } 7125 } 7126 7127 /** 7128 * @hide 7129 */ 7130 @Override 7131 public int installExistingPackageAsUser(String packageName, int userId) { 7132 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7133 null); 7134 PackageSetting pkgSetting; 7135 final int uid = Binder.getCallingUid(); 7136 if (UserHandle.getUserId(uid) != userId) { 7137 mContext.enforceCallingPermission( 7138 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7139 "installExistingPackage for user " + userId); 7140 } 7141 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7142 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7143 } 7144 7145 long callingId = Binder.clearCallingIdentity(); 7146 try { 7147 boolean sendAdded = false; 7148 Bundle extras = new Bundle(1); 7149 7150 // writer 7151 synchronized (mPackages) { 7152 pkgSetting = mSettings.mPackages.get(packageName); 7153 if (pkgSetting == null) { 7154 return PackageManager.INSTALL_FAILED_INVALID_URI; 7155 } 7156 if (!pkgSetting.getInstalled(userId)) { 7157 pkgSetting.setInstalled(true, userId); 7158 pkgSetting.setBlocked(false, userId); 7159 mSettings.writePackageRestrictionsLPr(userId); 7160 sendAdded = true; 7161 } 7162 } 7163 7164 if (sendAdded) { 7165 sendPackageAddedForUser(packageName, pkgSetting, userId); 7166 } 7167 } finally { 7168 Binder.restoreCallingIdentity(callingId); 7169 } 7170 7171 return PackageManager.INSTALL_SUCCEEDED; 7172 } 7173 7174 private boolean isUserRestricted(int userId, String restrictionKey) { 7175 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7176 if (restrictions.getBoolean(restrictionKey, false)) { 7177 Log.w(TAG, "User is restricted: " + restrictionKey); 7178 return true; 7179 } 7180 return false; 7181 } 7182 7183 @Override 7184 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7185 mContext.enforceCallingOrSelfPermission( 7186 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7187 "Only package verification agents can verify applications"); 7188 7189 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7190 final PackageVerificationResponse response = new PackageVerificationResponse( 7191 verificationCode, Binder.getCallingUid()); 7192 msg.arg1 = id; 7193 msg.obj = response; 7194 mHandler.sendMessage(msg); 7195 } 7196 7197 @Override 7198 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7199 long millisecondsToDelay) { 7200 mContext.enforceCallingOrSelfPermission( 7201 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7202 "Only package verification agents can extend verification timeouts"); 7203 7204 final PackageVerificationState state = mPendingVerification.get(id); 7205 final PackageVerificationResponse response = new PackageVerificationResponse( 7206 verificationCodeAtTimeout, Binder.getCallingUid()); 7207 7208 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7209 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7210 } 7211 if (millisecondsToDelay < 0) { 7212 millisecondsToDelay = 0; 7213 } 7214 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7215 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7216 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7217 } 7218 7219 if ((state != null) && !state.timeoutExtended()) { 7220 state.extendTimeout(); 7221 7222 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7223 msg.arg1 = id; 7224 msg.obj = response; 7225 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7226 } 7227 } 7228 7229 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7230 int verificationCode, UserHandle user) { 7231 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7232 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7233 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7234 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7235 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7236 7237 mContext.sendBroadcastAsUser(intent, user, 7238 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7239 } 7240 7241 private ComponentName matchComponentForVerifier(String packageName, 7242 List<ResolveInfo> receivers) { 7243 ActivityInfo targetReceiver = null; 7244 7245 final int NR = receivers.size(); 7246 for (int i = 0; i < NR; i++) { 7247 final ResolveInfo info = receivers.get(i); 7248 if (info.activityInfo == null) { 7249 continue; 7250 } 7251 7252 if (packageName.equals(info.activityInfo.packageName)) { 7253 targetReceiver = info.activityInfo; 7254 break; 7255 } 7256 } 7257 7258 if (targetReceiver == null) { 7259 return null; 7260 } 7261 7262 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7263 } 7264 7265 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7266 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7267 if (pkgInfo.verifiers.length == 0) { 7268 return null; 7269 } 7270 7271 final int N = pkgInfo.verifiers.length; 7272 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7273 for (int i = 0; i < N; i++) { 7274 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7275 7276 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7277 receivers); 7278 if (comp == null) { 7279 continue; 7280 } 7281 7282 final int verifierUid = getUidForVerifier(verifierInfo); 7283 if (verifierUid == -1) { 7284 continue; 7285 } 7286 7287 if (DEBUG_VERIFY) { 7288 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7289 + " with the correct signature"); 7290 } 7291 sufficientVerifiers.add(comp); 7292 verificationState.addSufficientVerifier(verifierUid); 7293 } 7294 7295 return sufficientVerifiers; 7296 } 7297 7298 private int getUidForVerifier(VerifierInfo verifierInfo) { 7299 synchronized (mPackages) { 7300 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7301 if (pkg == null) { 7302 return -1; 7303 } else if (pkg.mSignatures.length != 1) { 7304 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7305 + " has more than one signature; ignoring"); 7306 return -1; 7307 } 7308 7309 /* 7310 * If the public key of the package's signature does not match 7311 * our expected public key, then this is a different package and 7312 * we should skip. 7313 */ 7314 7315 final byte[] expectedPublicKey; 7316 try { 7317 final Signature verifierSig = pkg.mSignatures[0]; 7318 final PublicKey publicKey = verifierSig.getPublicKey(); 7319 expectedPublicKey = publicKey.getEncoded(); 7320 } catch (CertificateException e) { 7321 return -1; 7322 } 7323 7324 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7325 7326 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7327 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7328 + " does not have the expected public key; ignoring"); 7329 return -1; 7330 } 7331 7332 return pkg.applicationInfo.uid; 7333 } 7334 } 7335 7336 public void finishPackageInstall(int token) { 7337 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7338 7339 if (DEBUG_INSTALL) { 7340 Slog.v(TAG, "BM finishing package install for " + token); 7341 } 7342 7343 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7344 mHandler.sendMessage(msg); 7345 } 7346 7347 /** 7348 * Get the verification agent timeout. 7349 * 7350 * @return verification timeout in milliseconds 7351 */ 7352 private long getVerificationTimeout() { 7353 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7354 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7355 DEFAULT_VERIFICATION_TIMEOUT); 7356 } 7357 7358 /** 7359 * Get the default verification agent response code. 7360 * 7361 * @return default verification response code 7362 */ 7363 private int getDefaultVerificationResponse() { 7364 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7365 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7366 DEFAULT_VERIFICATION_RESPONSE); 7367 } 7368 7369 /** 7370 * Check whether or not package verification has been enabled. 7371 * 7372 * @return true if verification should be performed 7373 */ 7374 private boolean isVerificationEnabled(int flags) { 7375 if (!DEFAULT_VERIFY_ENABLE) { 7376 return false; 7377 } 7378 7379 // Check if installing from ADB 7380 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7381 // Do not run verification in a test harness environment 7382 if (ActivityManager.isRunningInTestHarness()) { 7383 return false; 7384 } 7385 // Check if the developer does not want package verification for ADB installs 7386 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7387 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7388 return false; 7389 } 7390 } 7391 7392 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7393 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7394 } 7395 7396 /** 7397 * Get the "allow unknown sources" setting. 7398 * 7399 * @return the current "allow unknown sources" setting 7400 */ 7401 private int getUnknownSourcesSettings() { 7402 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7403 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7404 -1); 7405 } 7406 7407 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7408 final int uid = Binder.getCallingUid(); 7409 // writer 7410 synchronized (mPackages) { 7411 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7412 if (targetPackageSetting == null) { 7413 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7414 } 7415 7416 PackageSetting installerPackageSetting; 7417 if (installerPackageName != null) { 7418 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7419 if (installerPackageSetting == null) { 7420 throw new IllegalArgumentException("Unknown installer package: " 7421 + installerPackageName); 7422 } 7423 } else { 7424 installerPackageSetting = null; 7425 } 7426 7427 Signature[] callerSignature; 7428 Object obj = mSettings.getUserIdLPr(uid); 7429 if (obj != null) { 7430 if (obj instanceof SharedUserSetting) { 7431 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7432 } else if (obj instanceof PackageSetting) { 7433 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7434 } else { 7435 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7436 } 7437 } else { 7438 throw new SecurityException("Unknown calling uid " + uid); 7439 } 7440 7441 // Verify: can't set installerPackageName to a package that is 7442 // not signed with the same cert as the caller. 7443 if (installerPackageSetting != null) { 7444 if (compareSignatures(callerSignature, 7445 installerPackageSetting.signatures.mSignatures) 7446 != PackageManager.SIGNATURE_MATCH) { 7447 throw new SecurityException( 7448 "Caller does not have same cert as new installer package " 7449 + installerPackageName); 7450 } 7451 } 7452 7453 // Verify: if target already has an installer package, it must 7454 // be signed with the same cert as the caller. 7455 if (targetPackageSetting.installerPackageName != null) { 7456 PackageSetting setting = mSettings.mPackages.get( 7457 targetPackageSetting.installerPackageName); 7458 // If the currently set package isn't valid, then it's always 7459 // okay to change it. 7460 if (setting != null) { 7461 if (compareSignatures(callerSignature, 7462 setting.signatures.mSignatures) 7463 != PackageManager.SIGNATURE_MATCH) { 7464 throw new SecurityException( 7465 "Caller does not have same cert as old installer package " 7466 + targetPackageSetting.installerPackageName); 7467 } 7468 } 7469 } 7470 7471 // Okay! 7472 targetPackageSetting.installerPackageName = installerPackageName; 7473 scheduleWriteSettingsLocked(); 7474 } 7475 } 7476 7477 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7478 // Queue up an async operation since the package installation may take a little while. 7479 mHandler.post(new Runnable() { 7480 public void run() { 7481 mHandler.removeCallbacks(this); 7482 // Result object to be returned 7483 PackageInstalledInfo res = new PackageInstalledInfo(); 7484 res.returnCode = currentStatus; 7485 res.uid = -1; 7486 res.pkg = null; 7487 res.removedInfo = new PackageRemovedInfo(); 7488 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7489 args.doPreInstall(res.returnCode); 7490 synchronized (mInstallLock) { 7491 installPackageLI(args, true, res); 7492 } 7493 args.doPostInstall(res.returnCode, res.uid); 7494 } 7495 7496 // A restore should be performed at this point if (a) the install 7497 // succeeded, (b) the operation is not an update, and (c) the new 7498 // package has a backupAgent defined. 7499 final boolean update = res.removedInfo.removedPackage != null; 7500 boolean doRestore = (!update 7501 && res.pkg != null 7502 && res.pkg.applicationInfo.backupAgentName != null); 7503 7504 // Set up the post-install work request bookkeeping. This will be used 7505 // and cleaned up by the post-install event handling regardless of whether 7506 // there's a restore pass performed. Token values are >= 1. 7507 int token; 7508 if (mNextInstallToken < 0) mNextInstallToken = 1; 7509 token = mNextInstallToken++; 7510 7511 PostInstallData data = new PostInstallData(args, res); 7512 mRunningInstalls.put(token, data); 7513 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7514 7515 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7516 // Pass responsibility to the Backup Manager. It will perform a 7517 // restore if appropriate, then pass responsibility back to the 7518 // Package Manager to run the post-install observer callbacks 7519 // and broadcasts. 7520 IBackupManager bm = IBackupManager.Stub.asInterface( 7521 ServiceManager.getService(Context.BACKUP_SERVICE)); 7522 if (bm != null) { 7523 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7524 + " to BM for possible restore"); 7525 try { 7526 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7527 } catch (RemoteException e) { 7528 // can't happen; the backup manager is local 7529 } catch (Exception e) { 7530 Slog.e(TAG, "Exception trying to enqueue restore", e); 7531 doRestore = false; 7532 } 7533 } else { 7534 Slog.e(TAG, "Backup Manager not found!"); 7535 doRestore = false; 7536 } 7537 } 7538 7539 if (!doRestore) { 7540 // No restore possible, or the Backup Manager was mysteriously not 7541 // available -- just fire the post-install work request directly. 7542 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7543 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7544 mHandler.sendMessage(msg); 7545 } 7546 } 7547 }); 7548 } 7549 7550 private abstract class HandlerParams { 7551 private static final int MAX_RETRIES = 4; 7552 7553 /** 7554 * Number of times startCopy() has been attempted and had a non-fatal 7555 * error. 7556 */ 7557 private int mRetries = 0; 7558 7559 /** User handle for the user requesting the information or installation. */ 7560 private final UserHandle mUser; 7561 7562 HandlerParams(UserHandle user) { 7563 mUser = user; 7564 } 7565 7566 UserHandle getUser() { 7567 return mUser; 7568 } 7569 7570 final boolean startCopy() { 7571 boolean res; 7572 try { 7573 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7574 7575 if (++mRetries > MAX_RETRIES) { 7576 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7577 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7578 handleServiceError(); 7579 return false; 7580 } else { 7581 handleStartCopy(); 7582 res = true; 7583 } 7584 } catch (RemoteException e) { 7585 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7586 mHandler.sendEmptyMessage(MCS_RECONNECT); 7587 res = false; 7588 } 7589 handleReturnCode(); 7590 return res; 7591 } 7592 7593 final void serviceError() { 7594 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7595 handleServiceError(); 7596 handleReturnCode(); 7597 } 7598 7599 abstract void handleStartCopy() throws RemoteException; 7600 abstract void handleServiceError(); 7601 abstract void handleReturnCode(); 7602 } 7603 7604 class MeasureParams extends HandlerParams { 7605 private final PackageStats mStats; 7606 private boolean mSuccess; 7607 7608 private final IPackageStatsObserver mObserver; 7609 7610 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7611 super(new UserHandle(stats.userHandle)); 7612 mObserver = observer; 7613 mStats = stats; 7614 } 7615 7616 @Override 7617 public String toString() { 7618 return "MeasureParams{" 7619 + Integer.toHexString(System.identityHashCode(this)) 7620 + " " + mStats.packageName + "}"; 7621 } 7622 7623 @Override 7624 void handleStartCopy() throws RemoteException { 7625 synchronized (mInstallLock) { 7626 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7627 } 7628 7629 if (mSuccess) { 7630 final boolean mounted; 7631 if (Environment.isExternalStorageEmulated()) { 7632 mounted = true; 7633 } else { 7634 final String status = Environment.getExternalStorageState(); 7635 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7636 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7637 } 7638 7639 if (mounted) { 7640 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7641 7642 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7643 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7644 7645 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7646 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7647 7648 // Always subtract cache size, since it's a subdirectory 7649 mStats.externalDataSize -= mStats.externalCacheSize; 7650 7651 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7652 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7653 7654 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7655 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7656 } 7657 } 7658 } 7659 7660 @Override 7661 void handleReturnCode() { 7662 if (mObserver != null) { 7663 try { 7664 mObserver.onGetStatsCompleted(mStats, mSuccess); 7665 } catch (RemoteException e) { 7666 Slog.i(TAG, "Observer no longer exists."); 7667 } 7668 } 7669 } 7670 7671 @Override 7672 void handleServiceError() { 7673 Slog.e(TAG, "Could not measure application " + mStats.packageName 7674 + " external storage"); 7675 } 7676 } 7677 7678 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7679 throws RemoteException { 7680 long result = 0; 7681 for (File path : paths) { 7682 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7683 } 7684 return result; 7685 } 7686 7687 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7688 for (File path : paths) { 7689 try { 7690 mcs.clearDirectory(path.getAbsolutePath()); 7691 } catch (RemoteException e) { 7692 } 7693 } 7694 } 7695 7696 class InstallParams extends HandlerParams { 7697 final IPackageInstallObserver observer; 7698 final IPackageInstallObserver2 observer2; 7699 int flags; 7700 7701 private final Uri mPackageURI; 7702 final String installerPackageName; 7703 final VerificationParams verificationParams; 7704 private InstallArgs mArgs; 7705 private int mRet; 7706 private File mTempPackage; 7707 final ContainerEncryptionParams encryptionParams; 7708 7709 InstallParams(Uri packageURI, 7710 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7711 int flags, String installerPackageName, VerificationParams verificationParams, 7712 ContainerEncryptionParams encryptionParams, UserHandle user) { 7713 super(user); 7714 this.mPackageURI = packageURI; 7715 this.flags = flags; 7716 this.observer = observer; 7717 this.observer2 = observer2; 7718 this.installerPackageName = installerPackageName; 7719 this.verificationParams = verificationParams; 7720 this.encryptionParams = encryptionParams; 7721 } 7722 7723 @Override 7724 public String toString() { 7725 return "InstallParams{" 7726 + Integer.toHexString(System.identityHashCode(this)) 7727 + " " + mPackageURI + "}"; 7728 } 7729 7730 public ManifestDigest getManifestDigest() { 7731 if (verificationParams == null) { 7732 return null; 7733 } 7734 return verificationParams.getManifestDigest(); 7735 } 7736 7737 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7738 String packageName = pkgLite.packageName; 7739 int installLocation = pkgLite.installLocation; 7740 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7741 // reader 7742 synchronized (mPackages) { 7743 PackageParser.Package pkg = mPackages.get(packageName); 7744 if (pkg != null) { 7745 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7746 // Check for downgrading. 7747 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7748 if (pkgLite.versionCode < pkg.mVersionCode) { 7749 Slog.w(TAG, "Can't install update of " + packageName 7750 + " update version " + pkgLite.versionCode 7751 + " is older than installed version " 7752 + pkg.mVersionCode); 7753 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 7754 } 7755 } 7756 // Check for updated system application. 7757 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7758 if (onSd) { 7759 Slog.w(TAG, "Cannot install update to system app on sdcard"); 7760 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 7761 } 7762 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7763 } else { 7764 if (onSd) { 7765 // Install flag overrides everything. 7766 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7767 } 7768 // If current upgrade specifies particular preference 7769 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 7770 // Application explicitly specified internal. 7771 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7772 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 7773 // App explictly prefers external. Let policy decide 7774 } else { 7775 // Prefer previous location 7776 if (isExternal(pkg)) { 7777 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7778 } 7779 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7780 } 7781 } 7782 } else { 7783 // Invalid install. Return error code 7784 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 7785 } 7786 } 7787 } 7788 // All the special cases have been taken care of. 7789 // Return result based on recommended install location. 7790 if (onSd) { 7791 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7792 } 7793 return pkgLite.recommendedInstallLocation; 7794 } 7795 7796 private long getMemoryLowThreshold() { 7797 final DeviceStorageMonitorInternal 7798 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7799 if (dsm == null) { 7800 return 0L; 7801 } 7802 return dsm.getMemoryLowThreshold(); 7803 } 7804 7805 /* 7806 * Invoke remote method to get package information and install 7807 * location values. Override install location based on default 7808 * policy if needed and then create install arguments based 7809 * on the install location. 7810 */ 7811 public void handleStartCopy() throws RemoteException { 7812 int ret = PackageManager.INSTALL_SUCCEEDED; 7813 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7814 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 7815 PackageInfoLite pkgLite = null; 7816 7817 if (onInt && onSd) { 7818 // Check if both bits are set. 7819 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 7820 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7821 } else { 7822 final long lowThreshold = getMemoryLowThreshold(); 7823 if (lowThreshold == 0L) { 7824 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7825 } 7826 7827 try { 7828 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 7829 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7830 7831 final File packageFile; 7832 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 7833 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 7834 if (mTempPackage != null) { 7835 ParcelFileDescriptor out; 7836 try { 7837 out = ParcelFileDescriptor.open(mTempPackage, 7838 ParcelFileDescriptor.MODE_READ_WRITE); 7839 } catch (FileNotFoundException e) { 7840 out = null; 7841 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 7842 } 7843 7844 // Make a temporary file for decryption. 7845 ret = mContainerService 7846 .copyResource(mPackageURI, encryptionParams, out); 7847 IoUtils.closeQuietly(out); 7848 7849 packageFile = mTempPackage; 7850 7851 FileUtils.setPermissions(packageFile.getAbsolutePath(), 7852 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 7853 | FileUtils.S_IROTH, 7854 -1, -1); 7855 } else { 7856 packageFile = null; 7857 } 7858 } else { 7859 packageFile = new File(mPackageURI.getPath()); 7860 } 7861 7862 if (packageFile != null) { 7863 // Remote call to find out default install location 7864 final String packageFilePath = packageFile.getAbsolutePath(); 7865 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 7866 lowThreshold); 7867 7868 /* 7869 * If we have too little free space, try to free cache 7870 * before giving up. 7871 */ 7872 if (pkgLite.recommendedInstallLocation 7873 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7874 final long size = mContainerService.calculateInstalledSize( 7875 packageFilePath, isForwardLocked()); 7876 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 7877 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 7878 flags, lowThreshold); 7879 } 7880 /* 7881 * The cache free must have deleted the file we 7882 * downloaded to install. 7883 * 7884 * TODO: fix the "freeCache" call to not delete 7885 * the file we care about. 7886 */ 7887 if (pkgLite.recommendedInstallLocation 7888 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7889 pkgLite.recommendedInstallLocation 7890 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 7891 } 7892 } 7893 } 7894 } finally { 7895 mContext.revokeUriPermission(mPackageURI, 7896 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7897 } 7898 } 7899 7900 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7901 int loc = pkgLite.recommendedInstallLocation; 7902 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 7903 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7904 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 7905 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 7906 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7907 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7908 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 7909 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 7910 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7911 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 7912 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 7913 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 7914 } else { 7915 // Override with defaults if needed. 7916 loc = installLocationPolicy(pkgLite, flags); 7917 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 7918 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 7919 } else if (!onSd && !onInt) { 7920 // Override install location with flags 7921 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 7922 // Set the flag to install on external media. 7923 flags |= PackageManager.INSTALL_EXTERNAL; 7924 flags &= ~PackageManager.INSTALL_INTERNAL; 7925 } else { 7926 // Make sure the flag for installing on external 7927 // media is unset 7928 flags |= PackageManager.INSTALL_INTERNAL; 7929 flags &= ~PackageManager.INSTALL_EXTERNAL; 7930 } 7931 } 7932 } 7933 } 7934 7935 final InstallArgs args = createInstallArgs(this); 7936 mArgs = args; 7937 7938 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7939 /* 7940 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 7941 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 7942 */ 7943 int userIdentifier = getUser().getIdentifier(); 7944 if (userIdentifier == UserHandle.USER_ALL 7945 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 7946 userIdentifier = UserHandle.USER_OWNER; 7947 } 7948 7949 /* 7950 * Determine if we have any installed package verifiers. If we 7951 * do, then we'll defer to them to verify the packages. 7952 */ 7953 final int requiredUid = mRequiredVerifierPackage == null ? -1 7954 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 7955 if (requiredUid != -1 && isVerificationEnabled(flags)) { 7956 final Intent verification = new Intent( 7957 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 7958 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 7959 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7960 7961 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 7962 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 7963 0 /* TODO: Which userId? */); 7964 7965 if (DEBUG_VERIFY) { 7966 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 7967 + verification.toString() + " with " + pkgLite.verifiers.length 7968 + " optional verifiers"); 7969 } 7970 7971 final int verificationId = mPendingVerificationToken++; 7972 7973 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7974 7975 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 7976 installerPackageName); 7977 7978 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 7979 7980 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 7981 pkgLite.packageName); 7982 7983 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 7984 pkgLite.versionCode); 7985 7986 if (verificationParams != null) { 7987 if (verificationParams.getVerificationURI() != null) { 7988 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 7989 verificationParams.getVerificationURI()); 7990 } 7991 if (verificationParams.getOriginatingURI() != null) { 7992 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 7993 verificationParams.getOriginatingURI()); 7994 } 7995 if (verificationParams.getReferrer() != null) { 7996 verification.putExtra(Intent.EXTRA_REFERRER, 7997 verificationParams.getReferrer()); 7998 } 7999 if (verificationParams.getOriginatingUid() >= 0) { 8000 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8001 verificationParams.getOriginatingUid()); 8002 } 8003 if (verificationParams.getInstallerUid() >= 0) { 8004 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8005 verificationParams.getInstallerUid()); 8006 } 8007 } 8008 8009 final PackageVerificationState verificationState = new PackageVerificationState( 8010 requiredUid, args); 8011 8012 mPendingVerification.append(verificationId, verificationState); 8013 8014 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8015 receivers, verificationState); 8016 8017 /* 8018 * If any sufficient verifiers were listed in the package 8019 * manifest, attempt to ask them. 8020 */ 8021 if (sufficientVerifiers != null) { 8022 final int N = sufficientVerifiers.size(); 8023 if (N == 0) { 8024 Slog.i(TAG, "Additional verifiers required, but none installed."); 8025 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8026 } else { 8027 for (int i = 0; i < N; i++) { 8028 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8029 8030 final Intent sufficientIntent = new Intent(verification); 8031 sufficientIntent.setComponent(verifierComponent); 8032 8033 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8034 } 8035 } 8036 } 8037 8038 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8039 mRequiredVerifierPackage, receivers); 8040 if (ret == PackageManager.INSTALL_SUCCEEDED 8041 && mRequiredVerifierPackage != null) { 8042 /* 8043 * Send the intent to the required verification agent, 8044 * but only start the verification timeout after the 8045 * target BroadcastReceivers have run. 8046 */ 8047 verification.setComponent(requiredVerifierComponent); 8048 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8049 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8050 new BroadcastReceiver() { 8051 @Override 8052 public void onReceive(Context context, Intent intent) { 8053 final Message msg = mHandler 8054 .obtainMessage(CHECK_PENDING_VERIFICATION); 8055 msg.arg1 = verificationId; 8056 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8057 } 8058 }, null, 0, null, null); 8059 8060 /* 8061 * We don't want the copy to proceed until verification 8062 * succeeds, so null out this field. 8063 */ 8064 mArgs = null; 8065 } 8066 } else { 8067 /* 8068 * No package verification is enabled, so immediately start 8069 * the remote call to initiate copy using temporary file. 8070 */ 8071 ret = args.copyApk(mContainerService, true); 8072 } 8073 } 8074 8075 mRet = ret; 8076 } 8077 8078 @Override 8079 void handleReturnCode() { 8080 // If mArgs is null, then MCS couldn't be reached. When it 8081 // reconnects, it will try again to install. At that point, this 8082 // will succeed. 8083 if (mArgs != null) { 8084 processPendingInstall(mArgs, mRet); 8085 8086 if (mTempPackage != null) { 8087 if (!mTempPackage.delete()) { 8088 Slog.w(TAG, "Couldn't delete temporary file: " + 8089 mTempPackage.getAbsolutePath()); 8090 } 8091 } 8092 } 8093 } 8094 8095 @Override 8096 void handleServiceError() { 8097 mArgs = createInstallArgs(this); 8098 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8099 } 8100 8101 public boolean isForwardLocked() { 8102 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8103 } 8104 8105 public Uri getPackageUri() { 8106 if (mTempPackage != null) { 8107 return Uri.fromFile(mTempPackage); 8108 } else { 8109 return mPackageURI; 8110 } 8111 } 8112 } 8113 8114 /* 8115 * Utility class used in movePackage api. 8116 * srcArgs and targetArgs are not set for invalid flags and make 8117 * sure to do null checks when invoking methods on them. 8118 * We probably want to return ErrorPrams for both failed installs 8119 * and moves. 8120 */ 8121 class MoveParams extends HandlerParams { 8122 final IPackageMoveObserver observer; 8123 final int flags; 8124 final String packageName; 8125 final InstallArgs srcArgs; 8126 final InstallArgs targetArgs; 8127 int uid; 8128 int mRet; 8129 8130 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8131 String packageName, String dataDir, int uid, UserHandle user) { 8132 super(user); 8133 this.srcArgs = srcArgs; 8134 this.observer = observer; 8135 this.flags = flags; 8136 this.packageName = packageName; 8137 this.uid = uid; 8138 if (srcArgs != null) { 8139 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8140 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); 8141 } else { 8142 targetArgs = null; 8143 } 8144 } 8145 8146 @Override 8147 public String toString() { 8148 return "MoveParams{" 8149 + Integer.toHexString(System.identityHashCode(this)) 8150 + " " + packageName + "}"; 8151 } 8152 8153 public void handleStartCopy() throws RemoteException { 8154 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8155 // Check for storage space on target medium 8156 if (!targetArgs.checkFreeStorage(mContainerService)) { 8157 Log.w(TAG, "Insufficient storage to install"); 8158 return; 8159 } 8160 8161 mRet = srcArgs.doPreCopy(); 8162 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8163 return; 8164 } 8165 8166 mRet = targetArgs.copyApk(mContainerService, false); 8167 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8168 srcArgs.doPostCopy(uid); 8169 return; 8170 } 8171 8172 mRet = srcArgs.doPostCopy(uid); 8173 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8174 return; 8175 } 8176 8177 mRet = targetArgs.doPreInstall(mRet); 8178 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8179 return; 8180 } 8181 8182 if (DEBUG_SD_INSTALL) { 8183 StringBuilder builder = new StringBuilder(); 8184 if (srcArgs != null) { 8185 builder.append("src: "); 8186 builder.append(srcArgs.getCodePath()); 8187 } 8188 if (targetArgs != null) { 8189 builder.append(" target : "); 8190 builder.append(targetArgs.getCodePath()); 8191 } 8192 Log.i(TAG, builder.toString()); 8193 } 8194 } 8195 8196 @Override 8197 void handleReturnCode() { 8198 targetArgs.doPostInstall(mRet, uid); 8199 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8200 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8201 currentStatus = PackageManager.MOVE_SUCCEEDED; 8202 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8203 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8204 } 8205 processPendingMove(this, currentStatus); 8206 } 8207 8208 @Override 8209 void handleServiceError() { 8210 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8211 } 8212 } 8213 8214 /** 8215 * Used during creation of InstallArgs 8216 * 8217 * @param flags package installation flags 8218 * @return true if should be installed on external storage 8219 */ 8220 private static boolean installOnSd(int flags) { 8221 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8222 return false; 8223 } 8224 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8225 return true; 8226 } 8227 return false; 8228 } 8229 8230 /** 8231 * Used during creation of InstallArgs 8232 * 8233 * @param flags package installation flags 8234 * @return true if should be installed as forward locked 8235 */ 8236 private static boolean installForwardLocked(int flags) { 8237 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8238 } 8239 8240 private InstallArgs createInstallArgs(InstallParams params) { 8241 if (installOnSd(params.flags) || params.isForwardLocked()) { 8242 return new AsecInstallArgs(params); 8243 } else { 8244 return new FileInstallArgs(params); 8245 } 8246 } 8247 8248 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8249 String nativeLibraryPath) { 8250 final boolean isInAsec; 8251 if (installOnSd(flags)) { 8252 /* Apps on SD card are always in ASEC containers. */ 8253 isInAsec = true; 8254 } else if (installForwardLocked(flags) 8255 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8256 /* 8257 * Forward-locked apps are only in ASEC containers if they're the 8258 * new style 8259 */ 8260 isInAsec = true; 8261 } else { 8262 isInAsec = false; 8263 } 8264 8265 if (isInAsec) { 8266 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8267 installOnSd(flags), installForwardLocked(flags)); 8268 } else { 8269 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); 8270 } 8271 } 8272 8273 // Used by package mover 8274 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { 8275 if (installOnSd(flags) || installForwardLocked(flags)) { 8276 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8277 + AsecInstallArgs.RES_FILE_NAME); 8278 return new AsecInstallArgs(packageURI, cid, installOnSd(flags), 8279 installForwardLocked(flags)); 8280 } else { 8281 return new FileInstallArgs(packageURI, pkgName, dataDir); 8282 } 8283 } 8284 8285 static abstract class InstallArgs { 8286 final IPackageInstallObserver observer; 8287 final IPackageInstallObserver2 observer2; 8288 // Always refers to PackageManager flags only 8289 final int flags; 8290 final Uri packageURI; 8291 final String installerPackageName; 8292 final ManifestDigest manifestDigest; 8293 final UserHandle user; 8294 8295 InstallArgs(Uri packageURI, 8296 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8297 int flags, String installerPackageName, ManifestDigest manifestDigest, 8298 UserHandle user) { 8299 this.packageURI = packageURI; 8300 this.flags = flags; 8301 this.observer = observer; 8302 this.observer2 = observer2; 8303 this.installerPackageName = installerPackageName; 8304 this.manifestDigest = manifestDigest; 8305 this.user = user; 8306 } 8307 8308 abstract void createCopyFile(); 8309 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8310 abstract int doPreInstall(int status); 8311 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8312 8313 abstract int doPostInstall(int status, int uid); 8314 abstract String getCodePath(); 8315 abstract String getResourcePath(); 8316 abstract String getNativeLibraryPath(); 8317 // Need installer lock especially for dex file removal. 8318 abstract void cleanUpResourcesLI(); 8319 abstract boolean doPostDeleteLI(boolean delete); 8320 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8321 8322 /** 8323 * Called before the source arguments are copied. This is used mostly 8324 * for MoveParams when it needs to read the source file to put it in the 8325 * destination. 8326 */ 8327 int doPreCopy() { 8328 return PackageManager.INSTALL_SUCCEEDED; 8329 } 8330 8331 /** 8332 * Called after the source arguments are copied. This is used mostly for 8333 * MoveParams when it needs to read the source file to put it in the 8334 * destination. 8335 * 8336 * @return 8337 */ 8338 int doPostCopy(int uid) { 8339 return PackageManager.INSTALL_SUCCEEDED; 8340 } 8341 8342 protected boolean isFwdLocked() { 8343 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8344 } 8345 8346 UserHandle getUser() { 8347 return user; 8348 } 8349 } 8350 8351 class FileInstallArgs extends InstallArgs { 8352 File installDir; 8353 String codeFileName; 8354 String resourceFileName; 8355 String libraryPath; 8356 boolean created = false; 8357 8358 FileInstallArgs(InstallParams params) { 8359 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 8360 params.installerPackageName, params.getManifestDigest(), 8361 params.getUser()); 8362 } 8363 8364 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { 8365 super(null, null, null, 0, null, null, null); 8366 File codeFile = new File(fullCodePath); 8367 installDir = codeFile.getParentFile(); 8368 codeFileName = fullCodePath; 8369 resourceFileName = fullResourcePath; 8370 libraryPath = nativeLibraryPath; 8371 } 8372 8373 FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { 8374 super(packageURI, null, null, 0, null, null, null); 8375 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8376 String apkName = getNextCodePath(null, pkgName, ".apk"); 8377 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8378 resourceFileName = getResourcePathFromCodePath(); 8379 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8380 } 8381 8382 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8383 final long lowThreshold; 8384 8385 final DeviceStorageMonitorInternal 8386 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8387 if (dsm == null) { 8388 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8389 lowThreshold = 0L; 8390 } else { 8391 if (dsm.isMemoryLow()) { 8392 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8393 return false; 8394 } 8395 8396 lowThreshold = dsm.getMemoryLowThreshold(); 8397 } 8398 8399 try { 8400 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8401 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8402 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8403 } finally { 8404 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8405 } 8406 } 8407 8408 String getCodePath() { 8409 return codeFileName; 8410 } 8411 8412 void createCopyFile() { 8413 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8414 codeFileName = createTempPackageFile(installDir).getPath(); 8415 resourceFileName = getResourcePathFromCodePath(); 8416 libraryPath = getLibraryPathFromCodePath(); 8417 created = true; 8418 } 8419 8420 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8421 if (temp) { 8422 // Generate temp file name 8423 createCopyFile(); 8424 } 8425 // Get a ParcelFileDescriptor to write to the output file 8426 File codeFile = new File(codeFileName); 8427 if (!created) { 8428 try { 8429 codeFile.createNewFile(); 8430 // Set permissions 8431 if (!setPermissions()) { 8432 // Failed setting permissions. 8433 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8434 } 8435 } catch (IOException e) { 8436 Slog.w(TAG, "Failed to create file " + codeFile); 8437 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8438 } 8439 } 8440 ParcelFileDescriptor out = null; 8441 try { 8442 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8443 } catch (FileNotFoundException e) { 8444 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8445 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8446 } 8447 // Copy the resource now 8448 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8449 try { 8450 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8451 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8452 ret = imcs.copyResource(packageURI, null, out); 8453 } finally { 8454 IoUtils.closeQuietly(out); 8455 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8456 } 8457 8458 if (isFwdLocked()) { 8459 final File destResourceFile = new File(getResourcePath()); 8460 8461 // Copy the public files 8462 try { 8463 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8464 } catch (IOException e) { 8465 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8466 + " forward-locked app."); 8467 destResourceFile.delete(); 8468 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8469 } 8470 } 8471 8472 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8473 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8474 if (nativeLibraryFile.exists()) { 8475 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8476 nativeLibraryFile.delete(); 8477 } 8478 try { 8479 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8480 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8481 return copyRet; 8482 } 8483 } catch (IOException e) { 8484 Slog.e(TAG, "Copying native libraries failed", e); 8485 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8486 } 8487 8488 return ret; 8489 } 8490 8491 int doPreInstall(int status) { 8492 if (status != PackageManager.INSTALL_SUCCEEDED) { 8493 cleanUp(); 8494 } 8495 return status; 8496 } 8497 8498 boolean doRename(int status, final String pkgName, String oldCodePath) { 8499 if (status != PackageManager.INSTALL_SUCCEEDED) { 8500 cleanUp(); 8501 return false; 8502 } else { 8503 final File oldCodeFile = new File(getCodePath()); 8504 final File oldResourceFile = new File(getResourcePath()); 8505 final File oldLibraryFile = new File(getNativeLibraryPath()); 8506 8507 // Rename APK file based on packageName 8508 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8509 final File newCodeFile = new File(installDir, apkName + ".apk"); 8510 if (!oldCodeFile.renameTo(newCodeFile)) { 8511 return false; 8512 } 8513 codeFileName = newCodeFile.getPath(); 8514 8515 // Rename public resource file if it's forward-locked. 8516 final File newResFile = new File(getResourcePathFromCodePath()); 8517 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8518 return false; 8519 } 8520 resourceFileName = newResFile.getPath(); 8521 8522 // Rename library path 8523 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8524 if (newLibraryFile.exists()) { 8525 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8526 newLibraryFile.delete(); 8527 } 8528 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8529 Slog.e(TAG, "Cannot rename native library directory " 8530 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8531 return false; 8532 } 8533 libraryPath = newLibraryFile.getPath(); 8534 8535 // Attempt to set permissions 8536 if (!setPermissions()) { 8537 return false; 8538 } 8539 8540 if (!SELinux.restorecon(newCodeFile)) { 8541 return false; 8542 } 8543 8544 return true; 8545 } 8546 } 8547 8548 int doPostInstall(int status, int uid) { 8549 if (status != PackageManager.INSTALL_SUCCEEDED) { 8550 cleanUp(); 8551 } 8552 return status; 8553 } 8554 8555 String getResourcePath() { 8556 return resourceFileName; 8557 } 8558 8559 private String getResourcePathFromCodePath() { 8560 final String codePath = getCodePath(); 8561 if (isFwdLocked()) { 8562 final StringBuilder sb = new StringBuilder(); 8563 8564 sb.append(mAppInstallDir.getPath()); 8565 sb.append('/'); 8566 sb.append(getApkName(codePath)); 8567 sb.append(".zip"); 8568 8569 /* 8570 * If our APK is a temporary file, mark the resource as a 8571 * temporary file as well so it can be cleaned up after 8572 * catastrophic failure. 8573 */ 8574 if (codePath.endsWith(".tmp")) { 8575 sb.append(".tmp"); 8576 } 8577 8578 return sb.toString(); 8579 } else { 8580 return codePath; 8581 } 8582 } 8583 8584 private String getLibraryPathFromCodePath() { 8585 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8586 } 8587 8588 @Override 8589 String getNativeLibraryPath() { 8590 if (libraryPath == null) { 8591 libraryPath = getLibraryPathFromCodePath(); 8592 } 8593 return libraryPath; 8594 } 8595 8596 private boolean cleanUp() { 8597 boolean ret = true; 8598 String sourceDir = getCodePath(); 8599 String publicSourceDir = getResourcePath(); 8600 if (sourceDir != null) { 8601 File sourceFile = new File(sourceDir); 8602 if (!sourceFile.exists()) { 8603 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8604 ret = false; 8605 } 8606 // Delete application's code and resources 8607 sourceFile.delete(); 8608 } 8609 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8610 final File publicSourceFile = new File(publicSourceDir); 8611 if (!publicSourceFile.exists()) { 8612 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8613 } 8614 if (publicSourceFile.exists()) { 8615 publicSourceFile.delete(); 8616 } 8617 } 8618 8619 if (libraryPath != null) { 8620 File nativeLibraryFile = new File(libraryPath); 8621 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8622 if (!nativeLibraryFile.delete()) { 8623 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8624 } 8625 } 8626 8627 return ret; 8628 } 8629 8630 void cleanUpResourcesLI() { 8631 String sourceDir = getCodePath(); 8632 if (cleanUp()) { 8633 int retCode = mInstaller.rmdex(sourceDir); 8634 if (retCode < 0) { 8635 Slog.w(TAG, "Couldn't remove dex file for package: " 8636 + " at location " 8637 + sourceDir + ", retcode=" + retCode); 8638 // we don't consider this to be a failure of the core package deletion 8639 } 8640 } 8641 } 8642 8643 private boolean setPermissions() { 8644 // TODO Do this in a more elegant way later on. for now just a hack 8645 if (!isFwdLocked()) { 8646 final int filePermissions = 8647 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8648 |FileUtils.S_IROTH; 8649 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8650 if (retCode != 0) { 8651 Slog.e(TAG, "Couldn't set new package file permissions for " + 8652 getCodePath() 8653 + ". The return code was: " + retCode); 8654 // TODO Define new internal error 8655 return false; 8656 } 8657 return true; 8658 } 8659 return true; 8660 } 8661 8662 boolean doPostDeleteLI(boolean delete) { 8663 // XXX err, shouldn't we respect the delete flag? 8664 cleanUpResourcesLI(); 8665 return true; 8666 } 8667 } 8668 8669 private boolean isAsecExternal(String cid) { 8670 final String asecPath = PackageHelper.getSdFilesystem(cid); 8671 return !asecPath.startsWith(mAsecInternalPath); 8672 } 8673 8674 /** 8675 * Extract the MountService "container ID" from the full code path of an 8676 * .apk. 8677 */ 8678 static String cidFromCodePath(String fullCodePath) { 8679 int eidx = fullCodePath.lastIndexOf("/"); 8680 String subStr1 = fullCodePath.substring(0, eidx); 8681 int sidx = subStr1.lastIndexOf("/"); 8682 return subStr1.substring(sidx+1, eidx); 8683 } 8684 8685 class AsecInstallArgs extends InstallArgs { 8686 static final String RES_FILE_NAME = "pkg.apk"; 8687 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8688 8689 String cid; 8690 String packagePath; 8691 String resourcePath; 8692 String libraryPath; 8693 8694 AsecInstallArgs(InstallParams params) { 8695 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 8696 params.installerPackageName, params.getManifestDigest(), 8697 params.getUser()); 8698 } 8699 8700 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8701 boolean isExternal, boolean isForwardLocked) { 8702 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8703 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8704 null, null, null); 8705 // Extract cid from fullCodePath 8706 int eidx = fullCodePath.lastIndexOf("/"); 8707 String subStr1 = fullCodePath.substring(0, eidx); 8708 int sidx = subStr1.lastIndexOf("/"); 8709 cid = subStr1.substring(sidx+1, eidx); 8710 setCachePath(subStr1); 8711 } 8712 8713 AsecInstallArgs(String cid, boolean isForwardLocked) { 8714 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8715 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8716 null, null, null); 8717 this.cid = cid; 8718 setCachePath(PackageHelper.getSdDir(cid)); 8719 } 8720 8721 AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) { 8722 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8723 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8724 null, null, null); 8725 this.cid = cid; 8726 } 8727 8728 void createCopyFile() { 8729 cid = getTempContainerId(); 8730 } 8731 8732 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8733 try { 8734 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8735 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8736 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8737 } finally { 8738 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8739 } 8740 } 8741 8742 private final boolean isExternal() { 8743 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8744 } 8745 8746 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8747 if (temp) { 8748 createCopyFile(); 8749 } else { 8750 /* 8751 * Pre-emptively destroy the container since it's destroyed if 8752 * copying fails due to it existing anyway. 8753 */ 8754 PackageHelper.destroySdDir(cid); 8755 } 8756 8757 final String newCachePath; 8758 try { 8759 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8760 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8761 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 8762 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 8763 } finally { 8764 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8765 } 8766 8767 if (newCachePath != null) { 8768 setCachePath(newCachePath); 8769 return PackageManager.INSTALL_SUCCEEDED; 8770 } else { 8771 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8772 } 8773 } 8774 8775 @Override 8776 String getCodePath() { 8777 return packagePath; 8778 } 8779 8780 @Override 8781 String getResourcePath() { 8782 return resourcePath; 8783 } 8784 8785 @Override 8786 String getNativeLibraryPath() { 8787 return libraryPath; 8788 } 8789 8790 int doPreInstall(int status) { 8791 if (status != PackageManager.INSTALL_SUCCEEDED) { 8792 // Destroy container 8793 PackageHelper.destroySdDir(cid); 8794 } else { 8795 boolean mounted = PackageHelper.isContainerMounted(cid); 8796 if (!mounted) { 8797 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 8798 Process.SYSTEM_UID); 8799 if (newCachePath != null) { 8800 setCachePath(newCachePath); 8801 } else { 8802 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8803 } 8804 } 8805 } 8806 return status; 8807 } 8808 8809 boolean doRename(int status, final String pkgName, 8810 String oldCodePath) { 8811 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 8812 String newCachePath = null; 8813 if (PackageHelper.isContainerMounted(cid)) { 8814 // Unmount the container 8815 if (!PackageHelper.unMountSdDir(cid)) { 8816 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 8817 return false; 8818 } 8819 } 8820 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8821 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 8822 " which might be stale. Will try to clean up."); 8823 // Clean up the stale container and proceed to recreate. 8824 if (!PackageHelper.destroySdDir(newCacheId)) { 8825 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 8826 return false; 8827 } 8828 // Successfully cleaned up stale container. Try to rename again. 8829 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8830 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 8831 + " inspite of cleaning it up."); 8832 return false; 8833 } 8834 } 8835 if (!PackageHelper.isContainerMounted(newCacheId)) { 8836 Slog.w(TAG, "Mounting container " + newCacheId); 8837 newCachePath = PackageHelper.mountSdDir(newCacheId, 8838 getEncryptKey(), Process.SYSTEM_UID); 8839 } else { 8840 newCachePath = PackageHelper.getSdDir(newCacheId); 8841 } 8842 if (newCachePath == null) { 8843 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 8844 return false; 8845 } 8846 Log.i(TAG, "Succesfully renamed " + cid + 8847 " to " + newCacheId + 8848 " at new path: " + newCachePath); 8849 cid = newCacheId; 8850 setCachePath(newCachePath); 8851 return true; 8852 } 8853 8854 private void setCachePath(String newCachePath) { 8855 File cachePath = new File(newCachePath); 8856 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 8857 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 8858 8859 if (isFwdLocked()) { 8860 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 8861 } else { 8862 resourcePath = packagePath; 8863 } 8864 } 8865 8866 int doPostInstall(int status, int uid) { 8867 if (status != PackageManager.INSTALL_SUCCEEDED) { 8868 cleanUp(); 8869 } else { 8870 final int groupOwner; 8871 final String protectedFile; 8872 if (isFwdLocked()) { 8873 groupOwner = UserHandle.getSharedAppGid(uid); 8874 protectedFile = RES_FILE_NAME; 8875 } else { 8876 groupOwner = -1; 8877 protectedFile = null; 8878 } 8879 8880 if (uid < Process.FIRST_APPLICATION_UID 8881 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 8882 Slog.e(TAG, "Failed to finalize " + cid); 8883 PackageHelper.destroySdDir(cid); 8884 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8885 } 8886 8887 boolean mounted = PackageHelper.isContainerMounted(cid); 8888 if (!mounted) { 8889 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 8890 } 8891 } 8892 return status; 8893 } 8894 8895 private void cleanUp() { 8896 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 8897 8898 // Destroy secure container 8899 PackageHelper.destroySdDir(cid); 8900 } 8901 8902 void cleanUpResourcesLI() { 8903 String sourceFile = getCodePath(); 8904 // Remove dex file 8905 int retCode = mInstaller.rmdex(sourceFile); 8906 if (retCode < 0) { 8907 Slog.w(TAG, "Couldn't remove dex file for package: " 8908 + " at location " 8909 + sourceFile.toString() + ", retcode=" + retCode); 8910 // we don't consider this to be a failure of the core package deletion 8911 } 8912 cleanUp(); 8913 } 8914 8915 boolean matchContainer(String app) { 8916 if (cid.startsWith(app)) { 8917 return true; 8918 } 8919 return false; 8920 } 8921 8922 String getPackageName() { 8923 return getAsecPackageName(cid); 8924 } 8925 8926 boolean doPostDeleteLI(boolean delete) { 8927 boolean ret = false; 8928 boolean mounted = PackageHelper.isContainerMounted(cid); 8929 if (mounted) { 8930 // Unmount first 8931 ret = PackageHelper.unMountSdDir(cid); 8932 } 8933 if (ret && delete) { 8934 cleanUpResourcesLI(); 8935 } 8936 return ret; 8937 } 8938 8939 @Override 8940 int doPreCopy() { 8941 if (isFwdLocked()) { 8942 if (!PackageHelper.fixSdPermissions(cid, 8943 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 8944 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8945 } 8946 } 8947 8948 return PackageManager.INSTALL_SUCCEEDED; 8949 } 8950 8951 @Override 8952 int doPostCopy(int uid) { 8953 if (isFwdLocked()) { 8954 if (uid < Process.FIRST_APPLICATION_UID 8955 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 8956 RES_FILE_NAME)) { 8957 Slog.e(TAG, "Failed to finalize " + cid); 8958 PackageHelper.destroySdDir(cid); 8959 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8960 } 8961 } 8962 8963 return PackageManager.INSTALL_SUCCEEDED; 8964 } 8965 }; 8966 8967 static String getAsecPackageName(String packageCid) { 8968 int idx = packageCid.lastIndexOf("-"); 8969 if (idx == -1) { 8970 return packageCid; 8971 } 8972 return packageCid.substring(0, idx); 8973 } 8974 8975 // Utility method used to create code paths based on package name and available index. 8976 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 8977 String idxStr = ""; 8978 int idx = 1; 8979 // Fall back to default value of idx=1 if prefix is not 8980 // part of oldCodePath 8981 if (oldCodePath != null) { 8982 String subStr = oldCodePath; 8983 // Drop the suffix right away 8984 if (subStr.endsWith(suffix)) { 8985 subStr = subStr.substring(0, subStr.length() - suffix.length()); 8986 } 8987 // If oldCodePath already contains prefix find out the 8988 // ending index to either increment or decrement. 8989 int sidx = subStr.lastIndexOf(prefix); 8990 if (sidx != -1) { 8991 subStr = subStr.substring(sidx + prefix.length()); 8992 if (subStr != null) { 8993 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 8994 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 8995 } 8996 try { 8997 idx = Integer.parseInt(subStr); 8998 if (idx <= 1) { 8999 idx++; 9000 } else { 9001 idx--; 9002 } 9003 } catch(NumberFormatException e) { 9004 } 9005 } 9006 } 9007 } 9008 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9009 return prefix + idxStr; 9010 } 9011 9012 // Utility method used to ignore ADD/REMOVE events 9013 // by directory observer. 9014 private static boolean ignoreCodePath(String fullPathStr) { 9015 String apkName = getApkName(fullPathStr); 9016 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9017 if (idx != -1 && ((idx+1) < apkName.length())) { 9018 // Make sure the package ends with a numeral 9019 String version = apkName.substring(idx+1); 9020 try { 9021 Integer.parseInt(version); 9022 return true; 9023 } catch (NumberFormatException e) {} 9024 } 9025 return false; 9026 } 9027 9028 // Utility method that returns the relative package path with respect 9029 // to the installation directory. Like say for /data/data/com.test-1.apk 9030 // string com.test-1 is returned. 9031 static String getApkName(String codePath) { 9032 if (codePath == null) { 9033 return null; 9034 } 9035 int sidx = codePath.lastIndexOf("/"); 9036 int eidx = codePath.lastIndexOf("."); 9037 if (eidx == -1) { 9038 eidx = codePath.length(); 9039 } else if (eidx == 0) { 9040 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9041 return null; 9042 } 9043 return codePath.substring(sidx+1, eidx); 9044 } 9045 9046 class PackageInstalledInfo { 9047 String name; 9048 int uid; 9049 // The set of users that originally had this package installed. 9050 int[] origUsers; 9051 // The set of users that now have this package installed. 9052 int[] newUsers; 9053 PackageParser.Package pkg; 9054 int returnCode; 9055 PackageRemovedInfo removedInfo; 9056 9057 // In some error cases we want to convey more info back to the observer 9058 String origPackage; 9059 String origPermission; 9060 } 9061 9062 /* 9063 * Install a non-existing package. 9064 */ 9065 private void installNewPackageLI(PackageParser.Package pkg, 9066 int parseFlags, int scanMode, UserHandle user, 9067 String installerPackageName, PackageInstalledInfo res) { 9068 // Remember this for later, in case we need to rollback this install 9069 String pkgName = pkg.packageName; 9070 9071 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9072 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9073 synchronized(mPackages) { 9074 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9075 // A package with the same name is already installed, though 9076 // it has been renamed to an older name. The package we 9077 // are trying to install should be installed as an update to 9078 // the existing one, but that has not been requested, so bail. 9079 Slog.w(TAG, "Attempt to re-install " + pkgName 9080 + " without first uninstalling package running as " 9081 + mSettings.mRenamedPackages.get(pkgName)); 9082 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9083 return; 9084 } 9085 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9086 // Don't allow installation over an existing package with the same name. 9087 Slog.w(TAG, "Attempt to re-install " + pkgName 9088 + " without first uninstalling."); 9089 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9090 return; 9091 } 9092 } 9093 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9094 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9095 System.currentTimeMillis(), user); 9096 if (newPackage == null) { 9097 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9098 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9099 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9100 } 9101 } else { 9102 updateSettingsLI(newPackage, 9103 installerPackageName, 9104 null, null, 9105 res); 9106 // delete the partially installed application. the data directory will have to be 9107 // restored if it was already existing 9108 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9109 // remove package from internal structures. Note that we want deletePackageX to 9110 // delete the package data and cache directories that it created in 9111 // scanPackageLocked, unless those directories existed before we even tried to 9112 // install. 9113 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9114 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9115 res.removedInfo, true); 9116 } 9117 } 9118 } 9119 9120 private void replacePackageLI(PackageParser.Package pkg, 9121 int parseFlags, int scanMode, UserHandle user, 9122 String installerPackageName, PackageInstalledInfo res) { 9123 9124 PackageParser.Package oldPackage; 9125 String pkgName = pkg.packageName; 9126 int[] allUsers; 9127 boolean[] perUserInstalled; 9128 9129 // First find the old package info and check signatures 9130 synchronized(mPackages) { 9131 oldPackage = mPackages.get(pkgName); 9132 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9133 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9134 != PackageManager.SIGNATURE_MATCH) { 9135 Slog.w(TAG, "New package has a different signature: " + pkgName); 9136 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9137 return; 9138 } 9139 9140 // In case of rollback, remember per-user/profile install state 9141 PackageSetting ps = mSettings.mPackages.get(pkgName); 9142 allUsers = sUserManager.getUserIds(); 9143 perUserInstalled = new boolean[allUsers.length]; 9144 for (int i = 0; i < allUsers.length; i++) { 9145 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9146 } 9147 } 9148 boolean sysPkg = (isSystemApp(oldPackage)); 9149 if (sysPkg) { 9150 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9151 user, allUsers, perUserInstalled, installerPackageName, res); 9152 } else { 9153 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9154 user, allUsers, perUserInstalled, installerPackageName, res); 9155 } 9156 } 9157 9158 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9159 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9160 int[] allUsers, boolean[] perUserInstalled, 9161 String installerPackageName, PackageInstalledInfo res) { 9162 PackageParser.Package newPackage = null; 9163 String pkgName = deletedPackage.packageName; 9164 boolean deletedPkg = true; 9165 boolean updatedSettings = false; 9166 9167 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9168 + deletedPackage); 9169 long origUpdateTime; 9170 if (pkg.mExtras != null) { 9171 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9172 } else { 9173 origUpdateTime = 0; 9174 } 9175 9176 // First delete the existing package while retaining the data directory 9177 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9178 res.removedInfo, true)) { 9179 // If the existing package wasn't successfully deleted 9180 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9181 deletedPkg = false; 9182 } else { 9183 // Successfully deleted the old package. Now proceed with re-installation 9184 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9185 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9186 System.currentTimeMillis(), user); 9187 if (newPackage == null) { 9188 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9189 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9190 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9191 } 9192 } else { 9193 updateSettingsLI(newPackage, 9194 installerPackageName, 9195 allUsers, perUserInstalled, 9196 res); 9197 updatedSettings = true; 9198 } 9199 } 9200 9201 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9202 // remove package from internal structures. Note that we want deletePackageX to 9203 // delete the package data and cache directories that it created in 9204 // scanPackageLocked, unless those directories existed before we even tried to 9205 // install. 9206 if(updatedSettings) { 9207 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9208 deletePackageLI( 9209 pkgName, null, true, allUsers, perUserInstalled, 9210 PackageManager.DELETE_KEEP_DATA, 9211 res.removedInfo, true); 9212 } 9213 // Since we failed to install the new package we need to restore the old 9214 // package that we deleted. 9215 if(deletedPkg) { 9216 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9217 File restoreFile = new File(deletedPackage.mPath); 9218 // Parse old package 9219 boolean oldOnSd = isExternal(deletedPackage); 9220 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9221 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9222 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9223 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9224 | SCAN_UPDATE_TIME; 9225 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9226 origUpdateTime, null) == null) { 9227 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9228 return; 9229 } 9230 // Restore of old package succeeded. Update permissions. 9231 // writer 9232 synchronized (mPackages) { 9233 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9234 UPDATE_PERMISSIONS_ALL); 9235 // can downgrade to reader 9236 mSettings.writeLPr(); 9237 } 9238 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9239 } 9240 } 9241 } 9242 9243 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9244 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9245 int[] allUsers, boolean[] perUserInstalled, 9246 String installerPackageName, PackageInstalledInfo res) { 9247 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9248 + ", old=" + deletedPackage); 9249 PackageParser.Package newPackage = null; 9250 boolean updatedSettings = false; 9251 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9252 PackageParser.PARSE_IS_SYSTEM; 9253 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9254 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9255 } 9256 String packageName = deletedPackage.packageName; 9257 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9258 if (packageName == null) { 9259 Slog.w(TAG, "Attempt to delete null packageName."); 9260 return; 9261 } 9262 PackageParser.Package oldPkg; 9263 PackageSetting oldPkgSetting; 9264 // reader 9265 synchronized (mPackages) { 9266 oldPkg = mPackages.get(packageName); 9267 oldPkgSetting = mSettings.mPackages.get(packageName); 9268 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9269 (oldPkgSetting == null)) { 9270 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9271 return; 9272 } 9273 } 9274 9275 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9276 9277 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9278 res.removedInfo.removedPackage = packageName; 9279 // Remove existing system package 9280 removePackageLI(oldPkgSetting, true); 9281 // writer 9282 synchronized (mPackages) { 9283 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9284 // We didn't need to disable the .apk as a current system package, 9285 // which means we are replacing another update that is already 9286 // installed. We need to make sure to delete the older one's .apk. 9287 res.removedInfo.args = createInstallArgs(0, 9288 deletedPackage.applicationInfo.sourceDir, 9289 deletedPackage.applicationInfo.publicSourceDir, 9290 deletedPackage.applicationInfo.nativeLibraryDir); 9291 } else { 9292 res.removedInfo.args = null; 9293 } 9294 } 9295 9296 // Successfully disabled the old package. Now proceed with re-installation 9297 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9298 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9299 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9300 if (newPackage == null) { 9301 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9302 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9303 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9304 } 9305 } else { 9306 if (newPackage.mExtras != null) { 9307 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9308 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9309 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9310 9311 // is the update attempting to change shared user? that isn't going to work... 9312 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 9313 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 9314 + " to " + newPkgSetting.sharedUser); 9315 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 9316 updatedSettings = true; 9317 } 9318 } 9319 9320 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 9321 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9322 updatedSettings = true; 9323 } 9324 } 9325 9326 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9327 // Re installation failed. Restore old information 9328 // Remove new pkg information 9329 if (newPackage != null) { 9330 removeInstalledPackageLI(newPackage, true); 9331 } 9332 // Add back the old system package 9333 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9334 // Restore the old system information in Settings 9335 synchronized(mPackages) { 9336 if (updatedSettings) { 9337 mSettings.enableSystemPackageLPw(packageName); 9338 mSettings.setInstallerPackageName(packageName, 9339 oldPkgSetting.installerPackageName); 9340 } 9341 mSettings.writeLPr(); 9342 } 9343 } 9344 } 9345 9346 // Utility method used to move dex files during install. 9347 private int moveDexFilesLI(PackageParser.Package newPackage) { 9348 int retCode; 9349 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9350 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); 9351 if (retCode != 0) { 9352 if (mNoDexOpt) { 9353 /* 9354 * If we're in an engineering build, programs are lazily run 9355 * through dexopt. If the .dex file doesn't exist yet, it 9356 * will be created when the program is run next. 9357 */ 9358 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 9359 } else { 9360 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 9361 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9362 } 9363 } 9364 } 9365 return PackageManager.INSTALL_SUCCEEDED; 9366 } 9367 9368 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9369 int[] allUsers, boolean[] perUserInstalled, 9370 PackageInstalledInfo res) { 9371 String pkgName = newPackage.packageName; 9372 synchronized (mPackages) { 9373 //write settings. the installStatus will be incomplete at this stage. 9374 //note that the new package setting would have already been 9375 //added to mPackages. It hasn't been persisted yet. 9376 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9377 mSettings.writeLPr(); 9378 } 9379 9380 if ((res.returnCode = moveDexFilesLI(newPackage)) 9381 != PackageManager.INSTALL_SUCCEEDED) { 9382 // Discontinue if moving dex files failed. 9383 return; 9384 } 9385 9386 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9387 9388 synchronized (mPackages) { 9389 updatePermissionsLPw(newPackage.packageName, newPackage, 9390 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9391 ? UPDATE_PERMISSIONS_ALL : 0)); 9392 // For system-bundled packages, we assume that installing an upgraded version 9393 // of the package implies that the user actually wants to run that new code, 9394 // so we enable the package. 9395 if (isSystemApp(newPackage)) { 9396 // NB: implicit assumption that system package upgrades apply to all users 9397 if (DEBUG_INSTALL) { 9398 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9399 } 9400 PackageSetting ps = mSettings.mPackages.get(pkgName); 9401 if (ps != null) { 9402 if (res.origUsers != null) { 9403 for (int userHandle : res.origUsers) { 9404 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9405 userHandle, installerPackageName); 9406 } 9407 } 9408 // Also convey the prior install/uninstall state 9409 if (allUsers != null && perUserInstalled != null) { 9410 for (int i = 0; i < allUsers.length; i++) { 9411 if (DEBUG_INSTALL) { 9412 Slog.d(TAG, " user " + allUsers[i] 9413 + " => " + perUserInstalled[i]); 9414 } 9415 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9416 } 9417 // these install state changes will be persisted in the 9418 // upcoming call to mSettings.writeLPr(). 9419 } 9420 } 9421 } 9422 res.name = pkgName; 9423 res.uid = newPackage.applicationInfo.uid; 9424 res.pkg = newPackage; 9425 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9426 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9427 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9428 //to update install status 9429 mSettings.writeLPr(); 9430 } 9431 } 9432 9433 private void installPackageLI(InstallArgs args, 9434 boolean newInstall, PackageInstalledInfo res) { 9435 int pFlags = args.flags; 9436 String installerPackageName = args.installerPackageName; 9437 File tmpPackageFile = new File(args.getCodePath()); 9438 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9439 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9440 boolean replace = false; 9441 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9442 | (newInstall ? SCAN_NEW_INSTALL : 0); 9443 // Result object to be returned 9444 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9445 9446 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9447 // Retrieve PackageSettings and parse package 9448 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9449 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9450 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9451 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9452 pp.setSeparateProcesses(mSeparateProcesses); 9453 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9454 null, mMetrics, parseFlags); 9455 if (pkg == null) { 9456 res.returnCode = pp.getParseError(); 9457 return; 9458 } 9459 String pkgName = res.name = pkg.packageName; 9460 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9461 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9462 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9463 return; 9464 } 9465 } 9466 if (!pp.collectCertificates(pkg, parseFlags)) { 9467 res.returnCode = pp.getParseError(); 9468 return; 9469 } 9470 9471 /* If the installer passed in a manifest digest, compare it now. */ 9472 if (args.manifestDigest != null) { 9473 if (DEBUG_INSTALL) { 9474 final String parsedManifest = pkg.manifestDigest == null ? "null" 9475 : pkg.manifestDigest.toString(); 9476 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9477 + parsedManifest); 9478 } 9479 9480 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9481 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9482 return; 9483 } 9484 } else if (DEBUG_INSTALL) { 9485 final String parsedManifest = pkg.manifestDigest == null 9486 ? "null" : pkg.manifestDigest.toString(); 9487 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9488 } 9489 9490 // Get rid of all references to package scan path via parser. 9491 pp = null; 9492 String oldCodePath = null; 9493 boolean systemApp = false; 9494 synchronized (mPackages) { 9495 // Check whether the newly-scanned package wants to define an already-defined perm 9496 int N = pkg.permissions.size(); 9497 for (int i = 0; i < N; i++) { 9498 PackageParser.Permission perm = pkg.permissions.get(i); 9499 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 9500 if (bp != null) { 9501 // If the defining package is signed with our cert, it's okay. This 9502 // also includes the "updating the same package" case, of course. 9503 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 9504 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9505 Slog.w(TAG, "Package " + pkg.packageName 9506 + " attempting to redeclare permission " + perm.info.name 9507 + " already owned by " + bp.sourcePackage); 9508 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 9509 res.origPermission = perm.info.name; 9510 res.origPackage = bp.sourcePackage; 9511 return; 9512 } 9513 } 9514 } 9515 9516 // Check if installing already existing package 9517 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9518 String oldName = mSettings.mRenamedPackages.get(pkgName); 9519 if (pkg.mOriginalPackages != null 9520 && pkg.mOriginalPackages.contains(oldName) 9521 && mPackages.containsKey(oldName)) { 9522 // This package is derived from an original package, 9523 // and this device has been updating from that original 9524 // name. We must continue using the original name, so 9525 // rename the new package here. 9526 pkg.setPackageName(oldName); 9527 pkgName = pkg.packageName; 9528 replace = true; 9529 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9530 + oldName + " pkgName=" + pkgName); 9531 } else if (mPackages.containsKey(pkgName)) { 9532 // This package, under its official name, already exists 9533 // on the device; we should replace it. 9534 replace = true; 9535 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9536 } 9537 } 9538 PackageSetting ps = mSettings.mPackages.get(pkgName); 9539 if (ps != null) { 9540 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9541 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9542 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9543 systemApp = (ps.pkg.applicationInfo.flags & 9544 ApplicationInfo.FLAG_SYSTEM) != 0; 9545 } 9546 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9547 } 9548 } 9549 9550 if (systemApp && onSd) { 9551 // Disable updates to system apps on sdcard 9552 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9553 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9554 return; 9555 } 9556 9557 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9558 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9559 return; 9560 } 9561 // Set application objects path explicitly after the rename 9562 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9563 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9564 if (replace) { 9565 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9566 installerPackageName, res); 9567 } else { 9568 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9569 installerPackageName, res); 9570 } 9571 synchronized (mPackages) { 9572 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9573 if (ps != null) { 9574 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9575 } 9576 } 9577 } 9578 9579 private static boolean isForwardLocked(PackageParser.Package pkg) { 9580 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9581 } 9582 9583 9584 private boolean isForwardLocked(PackageSetting ps) { 9585 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9586 } 9587 9588 private static boolean isExternal(PackageParser.Package pkg) { 9589 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9590 } 9591 9592 private static boolean isExternal(PackageSetting ps) { 9593 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9594 } 9595 9596 private static boolean isSystemApp(PackageParser.Package pkg) { 9597 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9598 } 9599 9600 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9601 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9602 } 9603 9604 private static boolean isSystemApp(ApplicationInfo info) { 9605 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9606 } 9607 9608 private static boolean isSystemApp(PackageSetting ps) { 9609 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9610 } 9611 9612 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9613 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9614 } 9615 9616 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9617 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9618 } 9619 9620 private int packageFlagsToInstallFlags(PackageSetting ps) { 9621 int installFlags = 0; 9622 if (isExternal(ps)) { 9623 installFlags |= PackageManager.INSTALL_EXTERNAL; 9624 } 9625 if (isForwardLocked(ps)) { 9626 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9627 } 9628 return installFlags; 9629 } 9630 9631 private void deleteTempPackageFiles() { 9632 final FilenameFilter filter = new FilenameFilter() { 9633 public boolean accept(File dir, String name) { 9634 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9635 } 9636 }; 9637 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9638 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9639 } 9640 9641 private static final void deleteTempPackageFilesInDirectory(File directory, 9642 FilenameFilter filter) { 9643 final String[] tmpFilesList = directory.list(filter); 9644 if (tmpFilesList == null) { 9645 return; 9646 } 9647 for (int i = 0; i < tmpFilesList.length; i++) { 9648 final File tmpFile = new File(directory, tmpFilesList[i]); 9649 tmpFile.delete(); 9650 } 9651 } 9652 9653 private File createTempPackageFile(File installDir) { 9654 File tmpPackageFile; 9655 try { 9656 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9657 } catch (IOException e) { 9658 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9659 return null; 9660 } 9661 try { 9662 FileUtils.setPermissions( 9663 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9664 -1, -1); 9665 if (!SELinux.restorecon(tmpPackageFile)) { 9666 return null; 9667 } 9668 } catch (IOException e) { 9669 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9670 return null; 9671 } 9672 return tmpPackageFile; 9673 } 9674 9675 @Override 9676 public void deletePackageAsUser(final String packageName, 9677 final IPackageDeleteObserver observer, 9678 final int userId, final int flags) { 9679 mContext.enforceCallingOrSelfPermission( 9680 android.Manifest.permission.DELETE_PACKAGES, null); 9681 final int uid = Binder.getCallingUid(); 9682 if (UserHandle.getUserId(uid) != userId) { 9683 mContext.enforceCallingPermission( 9684 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9685 "deletePackage for user " + userId); 9686 } 9687 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9688 try { 9689 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9690 } catch (RemoteException re) { 9691 } 9692 return; 9693 } 9694 9695 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9696 // Queue up an async operation since the package deletion may take a little while. 9697 mHandler.post(new Runnable() { 9698 public void run() { 9699 mHandler.removeCallbacks(this); 9700 final int returnCode = deletePackageX(packageName, userId, flags); 9701 if (observer != null) { 9702 try { 9703 observer.packageDeleted(packageName, returnCode); 9704 } catch (RemoteException e) { 9705 Log.i(TAG, "Observer no longer exists."); 9706 } //end catch 9707 } //end if 9708 } //end run 9709 }); 9710 } 9711 9712 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9713 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9714 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9715 try { 9716 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9717 || dpm.isDeviceOwner(packageName))) { 9718 return true; 9719 } 9720 } catch (RemoteException e) { 9721 } 9722 return false; 9723 } 9724 9725 /** 9726 * This method is an internal method that could be get invoked either 9727 * to delete an installed package or to clean up a failed installation. 9728 * After deleting an installed package, a broadcast is sent to notify any 9729 * listeners that the package has been installed. For cleaning up a failed 9730 * installation, the broadcast is not necessary since the package's 9731 * installation wouldn't have sent the initial broadcast either 9732 * The key steps in deleting a package are 9733 * deleting the package information in internal structures like mPackages, 9734 * deleting the packages base directories through installd 9735 * updating mSettings to reflect current status 9736 * persisting settings for later use 9737 * sending a broadcast if necessary 9738 */ 9739 private int deletePackageX(String packageName, int userId, int flags) { 9740 final PackageRemovedInfo info = new PackageRemovedInfo(); 9741 final boolean res; 9742 9743 if (isPackageDeviceAdmin(packageName, userId)) { 9744 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9745 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9746 } 9747 9748 boolean removedForAllUsers = false; 9749 boolean systemUpdate = false; 9750 9751 // for the uninstall-updates case and restricted profiles, remember the per- 9752 // userhandle installed state 9753 int[] allUsers; 9754 boolean[] perUserInstalled; 9755 synchronized (mPackages) { 9756 PackageSetting ps = mSettings.mPackages.get(packageName); 9757 allUsers = sUserManager.getUserIds(); 9758 perUserInstalled = new boolean[allUsers.length]; 9759 for (int i = 0; i < allUsers.length; i++) { 9760 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9761 } 9762 } 9763 9764 synchronized (mInstallLock) { 9765 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9766 res = deletePackageLI(packageName, 9767 (flags & PackageManager.DELETE_ALL_USERS) != 0 9768 ? UserHandle.ALL : new UserHandle(userId), 9769 true, allUsers, perUserInstalled, 9770 flags | REMOVE_CHATTY, info, true); 9771 systemUpdate = info.isRemovedPackageSystemUpdate; 9772 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9773 removedForAllUsers = true; 9774 } 9775 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9776 + " removedForAllUsers=" + removedForAllUsers); 9777 } 9778 9779 if (res) { 9780 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 9781 9782 // If the removed package was a system update, the old system package 9783 // was re-enabled; we need to broadcast this information 9784 if (systemUpdate) { 9785 Bundle extras = new Bundle(1); 9786 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 9787 ? info.removedAppId : info.uid); 9788 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9789 9790 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 9791 extras, null, null, null); 9792 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 9793 extras, null, null, null); 9794 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 9795 null, packageName, null, null); 9796 } 9797 } 9798 // Force a gc here. 9799 Runtime.getRuntime().gc(); 9800 // Delete the resources here after sending the broadcast to let 9801 // other processes clean up before deleting resources. 9802 if (info.args != null) { 9803 synchronized (mInstallLock) { 9804 info.args.doPostDeleteLI(true); 9805 } 9806 } 9807 9808 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 9809 } 9810 9811 static class PackageRemovedInfo { 9812 String removedPackage; 9813 int uid = -1; 9814 int removedAppId = -1; 9815 int[] removedUsers = null; 9816 boolean isRemovedPackageSystemUpdate = false; 9817 // Clean up resources deleted packages. 9818 InstallArgs args = null; 9819 9820 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 9821 Bundle extras = new Bundle(1); 9822 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 9823 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 9824 if (replacing) { 9825 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9826 } 9827 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 9828 if (removedPackage != null) { 9829 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 9830 extras, null, null, removedUsers); 9831 if (fullRemove && !replacing) { 9832 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 9833 extras, null, null, removedUsers); 9834 } 9835 } 9836 if (removedAppId >= 0) { 9837 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 9838 removedUsers); 9839 } 9840 } 9841 } 9842 9843 /* 9844 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 9845 * flag is not set, the data directory is removed as well. 9846 * make sure this flag is set for partially installed apps. If not its meaningless to 9847 * delete a partially installed application. 9848 */ 9849 private void removePackageDataLI(PackageSetting ps, 9850 int[] allUserHandles, boolean[] perUserInstalled, 9851 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 9852 String packageName = ps.name; 9853 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 9854 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 9855 // Retrieve object to delete permissions for shared user later on 9856 final PackageSetting deletedPs; 9857 // reader 9858 synchronized (mPackages) { 9859 deletedPs = mSettings.mPackages.get(packageName); 9860 if (outInfo != null) { 9861 outInfo.removedPackage = packageName; 9862 outInfo.removedUsers = deletedPs != null 9863 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 9864 : null; 9865 } 9866 } 9867 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9868 removeDataDirsLI(packageName); 9869 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 9870 } 9871 // writer 9872 synchronized (mPackages) { 9873 if (deletedPs != null) { 9874 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9875 if (outInfo != null) { 9876 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 9877 } 9878 if (deletedPs != null) { 9879 updatePermissionsLPw(deletedPs.name, null, 0); 9880 if (deletedPs.sharedUser != null) { 9881 // remove permissions associated with package 9882 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 9883 } 9884 } 9885 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 9886 } 9887 // make sure to preserve per-user disabled state if this removal was just 9888 // a downgrade of a system app to the factory package 9889 if (allUserHandles != null && perUserInstalled != null) { 9890 if (DEBUG_REMOVE) { 9891 Slog.d(TAG, "Propagating install state across downgrade"); 9892 } 9893 for (int i = 0; i < allUserHandles.length; i++) { 9894 if (DEBUG_REMOVE) { 9895 Slog.d(TAG, " user " + allUserHandles[i] 9896 + " => " + perUserInstalled[i]); 9897 } 9898 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9899 } 9900 } 9901 } 9902 // can downgrade to reader 9903 if (writeSettings) { 9904 // Save settings now 9905 mSettings.writeLPr(); 9906 } 9907 } 9908 if (outInfo != null) { 9909 // A user ID was deleted here. Go through all users and remove it 9910 // from KeyStore. 9911 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 9912 } 9913 } 9914 9915 static boolean locationIsPrivileged(File path) { 9916 try { 9917 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 9918 .getCanonicalPath(); 9919 return path.getCanonicalPath().startsWith(privilegedAppDir); 9920 } catch (IOException e) { 9921 Slog.e(TAG, "Unable to access code path " + path); 9922 } 9923 return false; 9924 } 9925 9926 /* 9927 * Tries to delete system package. 9928 */ 9929 private boolean deleteSystemPackageLI(PackageSetting newPs, 9930 int[] allUserHandles, boolean[] perUserInstalled, 9931 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 9932 final boolean applyUserRestrictions 9933 = (allUserHandles != null) && (perUserInstalled != null); 9934 PackageSetting disabledPs = null; 9935 // Confirm if the system package has been updated 9936 // An updated system app can be deleted. This will also have to restore 9937 // the system pkg from system partition 9938 // reader 9939 synchronized (mPackages) { 9940 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 9941 } 9942 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 9943 + " disabledPs=" + disabledPs); 9944 if (disabledPs == null) { 9945 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 9946 return false; 9947 } else if (DEBUG_REMOVE) { 9948 Slog.d(TAG, "Deleting system pkg from data partition"); 9949 } 9950 if (DEBUG_REMOVE) { 9951 if (applyUserRestrictions) { 9952 Slog.d(TAG, "Remembering install states:"); 9953 for (int i = 0; i < allUserHandles.length; i++) { 9954 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 9955 } 9956 } 9957 } 9958 // Delete the updated package 9959 outInfo.isRemovedPackageSystemUpdate = true; 9960 if (disabledPs.versionCode < newPs.versionCode) { 9961 // Delete data for downgrades 9962 flags &= ~PackageManager.DELETE_KEEP_DATA; 9963 } else { 9964 // Preserve data by setting flag 9965 flags |= PackageManager.DELETE_KEEP_DATA; 9966 } 9967 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 9968 allUserHandles, perUserInstalled, outInfo, writeSettings); 9969 if (!ret) { 9970 return false; 9971 } 9972 // writer 9973 synchronized (mPackages) { 9974 // Reinstate the old system package 9975 mSettings.enableSystemPackageLPw(newPs.name); 9976 // Remove any native libraries from the upgraded package. 9977 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 9978 } 9979 // Install the system package 9980 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 9981 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 9982 if (locationIsPrivileged(disabledPs.codePath)) { 9983 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9984 } 9985 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 9986 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 9987 9988 if (newPkg == null) { 9989 Slog.w(TAG, "Failed to restore system package:" + newPs.name 9990 + " with error:" + mLastScanError); 9991 return false; 9992 } 9993 // writer 9994 synchronized (mPackages) { 9995 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 9996 setInternalAppNativeLibraryPath(newPkg, ps); 9997 updatePermissionsLPw(newPkg.packageName, newPkg, 9998 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 9999 if (applyUserRestrictions) { 10000 if (DEBUG_REMOVE) { 10001 Slog.d(TAG, "Propagating install state across reinstall"); 10002 } 10003 for (int i = 0; i < allUserHandles.length; i++) { 10004 if (DEBUG_REMOVE) { 10005 Slog.d(TAG, " user " + allUserHandles[i] 10006 + " => " + perUserInstalled[i]); 10007 } 10008 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10009 } 10010 // Regardless of writeSettings we need to ensure that this restriction 10011 // state propagation is persisted 10012 mSettings.writeAllUsersPackageRestrictionsLPr(); 10013 } 10014 // can downgrade to reader here 10015 if (writeSettings) { 10016 mSettings.writeLPr(); 10017 } 10018 } 10019 return true; 10020 } 10021 10022 private boolean deleteInstalledPackageLI(PackageSetting ps, 10023 boolean deleteCodeAndResources, int flags, 10024 int[] allUserHandles, boolean[] perUserInstalled, 10025 PackageRemovedInfo outInfo, boolean writeSettings) { 10026 if (outInfo != null) { 10027 outInfo.uid = ps.appId; 10028 } 10029 10030 // Delete package data from internal structures and also remove data if flag is set 10031 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10032 10033 // Delete application code and resources 10034 if (deleteCodeAndResources && (outInfo != null)) { 10035 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10036 ps.resourcePathString, ps.nativeLibraryPathString); 10037 } 10038 return true; 10039 } 10040 10041 /* 10042 * This method handles package deletion in general 10043 */ 10044 private boolean deletePackageLI(String packageName, UserHandle user, 10045 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10046 int flags, PackageRemovedInfo outInfo, 10047 boolean writeSettings) { 10048 if (packageName == null) { 10049 Slog.w(TAG, "Attempt to delete null packageName."); 10050 return false; 10051 } 10052 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10053 PackageSetting ps; 10054 boolean dataOnly = false; 10055 int removeUser = -1; 10056 int appId = -1; 10057 synchronized (mPackages) { 10058 ps = mSettings.mPackages.get(packageName); 10059 if (ps == null) { 10060 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10061 return false; 10062 } 10063 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10064 && user.getIdentifier() != UserHandle.USER_ALL) { 10065 // The caller is asking that the package only be deleted for a single 10066 // user. To do this, we just mark its uninstalled state and delete 10067 // its data. If this is a system app, we only allow this to happen if 10068 // they have set the special DELETE_SYSTEM_APP which requests different 10069 // semantics than normal for uninstalling system apps. 10070 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10071 ps.setUserState(user.getIdentifier(), 10072 COMPONENT_ENABLED_STATE_DEFAULT, 10073 false, //installed 10074 true, //stopped 10075 true, //notLaunched 10076 false, //blocked 10077 null, null, null); 10078 if (!isSystemApp(ps)) { 10079 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10080 // Other user still have this package installed, so all 10081 // we need to do is clear this user's data and save that 10082 // it is uninstalled. 10083 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10084 removeUser = user.getIdentifier(); 10085 appId = ps.appId; 10086 mSettings.writePackageRestrictionsLPr(removeUser); 10087 } else { 10088 // We need to set it back to 'installed' so the uninstall 10089 // broadcasts will be sent correctly. 10090 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10091 ps.setInstalled(true, user.getIdentifier()); 10092 } 10093 } else { 10094 // This is a system app, so we assume that the 10095 // other users still have this package installed, so all 10096 // we need to do is clear this user's data and save that 10097 // it is uninstalled. 10098 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10099 removeUser = user.getIdentifier(); 10100 appId = ps.appId; 10101 mSettings.writePackageRestrictionsLPr(removeUser); 10102 } 10103 } 10104 } 10105 10106 if (removeUser >= 0) { 10107 // From above, we determined that we are deleting this only 10108 // for a single user. Continue the work here. 10109 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10110 if (outInfo != null) { 10111 outInfo.removedPackage = packageName; 10112 outInfo.removedAppId = appId; 10113 outInfo.removedUsers = new int[] {removeUser}; 10114 } 10115 mInstaller.clearUserData(packageName, removeUser); 10116 removeKeystoreDataIfNeeded(removeUser, appId); 10117 schedulePackageCleaning(packageName, removeUser, false); 10118 return true; 10119 } 10120 10121 if (dataOnly) { 10122 // Delete application data first 10123 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10124 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10125 return true; 10126 } 10127 10128 boolean ret = false; 10129 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10130 if (isSystemApp(ps)) { 10131 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10132 // When an updated system application is deleted we delete the existing resources as well and 10133 // fall back to existing code in system partition 10134 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10135 flags, outInfo, writeSettings); 10136 } else { 10137 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10138 // Kill application pre-emptively especially for apps on sd. 10139 killApplication(packageName, ps.appId, "uninstall pkg"); 10140 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10141 allUserHandles, perUserInstalled, 10142 outInfo, writeSettings); 10143 } 10144 10145 return ret; 10146 } 10147 10148 private final class ClearStorageConnection implements ServiceConnection { 10149 IMediaContainerService mContainerService; 10150 10151 @Override 10152 public void onServiceConnected(ComponentName name, IBinder service) { 10153 synchronized (this) { 10154 mContainerService = IMediaContainerService.Stub.asInterface(service); 10155 notifyAll(); 10156 } 10157 } 10158 10159 @Override 10160 public void onServiceDisconnected(ComponentName name) { 10161 } 10162 } 10163 10164 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10165 final boolean mounted; 10166 if (Environment.isExternalStorageEmulated()) { 10167 mounted = true; 10168 } else { 10169 final String status = Environment.getExternalStorageState(); 10170 10171 mounted = status.equals(Environment.MEDIA_MOUNTED) 10172 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10173 } 10174 10175 if (!mounted) { 10176 return; 10177 } 10178 10179 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10180 int[] users; 10181 if (userId == UserHandle.USER_ALL) { 10182 users = sUserManager.getUserIds(); 10183 } else { 10184 users = new int[] { userId }; 10185 } 10186 final ClearStorageConnection conn = new ClearStorageConnection(); 10187 if (mContext.bindServiceAsUser( 10188 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10189 try { 10190 for (int curUser : users) { 10191 long timeout = SystemClock.uptimeMillis() + 5000; 10192 synchronized (conn) { 10193 long now = SystemClock.uptimeMillis(); 10194 while (conn.mContainerService == null && now < timeout) { 10195 try { 10196 conn.wait(timeout - now); 10197 } catch (InterruptedException e) { 10198 } 10199 } 10200 } 10201 if (conn.mContainerService == null) { 10202 return; 10203 } 10204 10205 final UserEnvironment userEnv = new UserEnvironment(curUser); 10206 clearDirectory(conn.mContainerService, 10207 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10208 if (allData) { 10209 clearDirectory(conn.mContainerService, 10210 userEnv.buildExternalStorageAppDataDirs(packageName)); 10211 clearDirectory(conn.mContainerService, 10212 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10213 } 10214 } 10215 } finally { 10216 mContext.unbindService(conn); 10217 } 10218 } 10219 } 10220 10221 @Override 10222 public void clearApplicationUserData(final String packageName, 10223 final IPackageDataObserver observer, final int userId) { 10224 mContext.enforceCallingOrSelfPermission( 10225 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10226 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10227 // Queue up an async operation since the package deletion may take a little while. 10228 mHandler.post(new Runnable() { 10229 public void run() { 10230 mHandler.removeCallbacks(this); 10231 final boolean succeeded; 10232 synchronized (mInstallLock) { 10233 succeeded = clearApplicationUserDataLI(packageName, userId); 10234 } 10235 clearExternalStorageDataSync(packageName, userId, true); 10236 if (succeeded) { 10237 // invoke DeviceStorageMonitor's update method to clear any notifications 10238 DeviceStorageMonitorInternal 10239 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10240 if (dsm != null) { 10241 dsm.checkMemory(); 10242 } 10243 } 10244 if(observer != null) { 10245 try { 10246 observer.onRemoveCompleted(packageName, succeeded); 10247 } catch (RemoteException e) { 10248 Log.i(TAG, "Observer no longer exists."); 10249 } 10250 } //end if observer 10251 } //end run 10252 }); 10253 } 10254 10255 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10256 if (packageName == null) { 10257 Slog.w(TAG, "Attempt to delete null packageName."); 10258 return false; 10259 } 10260 PackageParser.Package p; 10261 boolean dataOnly = false; 10262 final int appId; 10263 synchronized (mPackages) { 10264 p = mPackages.get(packageName); 10265 if (p == null) { 10266 dataOnly = true; 10267 PackageSetting ps = mSettings.mPackages.get(packageName); 10268 if ((ps == null) || (ps.pkg == null)) { 10269 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10270 return false; 10271 } 10272 p = ps.pkg; 10273 } 10274 if (!dataOnly) { 10275 // need to check this only for fully installed applications 10276 if (p == null) { 10277 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10278 return false; 10279 } 10280 final ApplicationInfo applicationInfo = p.applicationInfo; 10281 if (applicationInfo == null) { 10282 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10283 return false; 10284 } 10285 } 10286 if (p != null && p.applicationInfo != null) { 10287 appId = p.applicationInfo.uid; 10288 } else { 10289 appId = -1; 10290 } 10291 } 10292 int retCode = mInstaller.clearUserData(packageName, userId); 10293 if (retCode < 0) { 10294 Slog.w(TAG, "Couldn't remove cache files for package: " 10295 + packageName); 10296 return false; 10297 } 10298 removeKeystoreDataIfNeeded(userId, appId); 10299 return true; 10300 } 10301 10302 /** 10303 * Remove entries from the keystore daemon. Will only remove it if the 10304 * {@code appId} is valid. 10305 */ 10306 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10307 if (appId < 0) { 10308 return; 10309 } 10310 10311 final KeyStore keyStore = KeyStore.getInstance(); 10312 if (keyStore != null) { 10313 if (userId == UserHandle.USER_ALL) { 10314 for (final int individual : sUserManager.getUserIds()) { 10315 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10316 } 10317 } else { 10318 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10319 } 10320 } else { 10321 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10322 } 10323 } 10324 10325 public void deleteApplicationCacheFiles(final String packageName, 10326 final IPackageDataObserver observer) { 10327 mContext.enforceCallingOrSelfPermission( 10328 android.Manifest.permission.DELETE_CACHE_FILES, null); 10329 // Queue up an async operation since the package deletion may take a little while. 10330 final int userId = UserHandle.getCallingUserId(); 10331 mHandler.post(new Runnable() { 10332 public void run() { 10333 mHandler.removeCallbacks(this); 10334 final boolean succeded; 10335 synchronized (mInstallLock) { 10336 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10337 } 10338 clearExternalStorageDataSync(packageName, userId, false); 10339 if(observer != null) { 10340 try { 10341 observer.onRemoveCompleted(packageName, succeded); 10342 } catch (RemoteException e) { 10343 Log.i(TAG, "Observer no longer exists."); 10344 } 10345 } //end if observer 10346 } //end run 10347 }); 10348 } 10349 10350 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10351 if (packageName == null) { 10352 Slog.w(TAG, "Attempt to delete null packageName."); 10353 return false; 10354 } 10355 PackageParser.Package p; 10356 synchronized (mPackages) { 10357 p = mPackages.get(packageName); 10358 } 10359 if (p == null) { 10360 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10361 return false; 10362 } 10363 final ApplicationInfo applicationInfo = p.applicationInfo; 10364 if (applicationInfo == null) { 10365 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10366 return false; 10367 } 10368 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10369 if (retCode < 0) { 10370 Slog.w(TAG, "Couldn't remove cache files for package: " 10371 + packageName + " u" + userId); 10372 return false; 10373 } 10374 return true; 10375 } 10376 10377 public void getPackageSizeInfo(final String packageName, int userHandle, 10378 final IPackageStatsObserver observer) { 10379 mContext.enforceCallingOrSelfPermission( 10380 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10381 if (packageName == null) { 10382 throw new IllegalArgumentException("Attempt to get size of null packageName"); 10383 } 10384 10385 PackageStats stats = new PackageStats(packageName, userHandle); 10386 10387 /* 10388 * Queue up an async operation since the package measurement may take a 10389 * little while. 10390 */ 10391 Message msg = mHandler.obtainMessage(INIT_COPY); 10392 msg.obj = new MeasureParams(stats, observer); 10393 mHandler.sendMessage(msg); 10394 } 10395 10396 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10397 PackageStats pStats) { 10398 if (packageName == null) { 10399 Slog.w(TAG, "Attempt to get size of null packageName."); 10400 return false; 10401 } 10402 PackageParser.Package p; 10403 boolean dataOnly = false; 10404 String libDirPath = null; 10405 String asecPath = null; 10406 synchronized (mPackages) { 10407 p = mPackages.get(packageName); 10408 PackageSetting ps = mSettings.mPackages.get(packageName); 10409 if(p == null) { 10410 dataOnly = true; 10411 if((ps == null) || (ps.pkg == null)) { 10412 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10413 return false; 10414 } 10415 p = ps.pkg; 10416 } 10417 if (ps != null) { 10418 libDirPath = ps.nativeLibraryPathString; 10419 } 10420 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10421 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10422 if (secureContainerId != null) { 10423 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10424 } 10425 } 10426 } 10427 String publicSrcDir = null; 10428 if(!dataOnly) { 10429 final ApplicationInfo applicationInfo = p.applicationInfo; 10430 if (applicationInfo == null) { 10431 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10432 return false; 10433 } 10434 if (isForwardLocked(p)) { 10435 publicSrcDir = applicationInfo.publicSourceDir; 10436 } 10437 } 10438 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10439 publicSrcDir, asecPath, pStats); 10440 if (res < 0) { 10441 return false; 10442 } 10443 10444 // Fix-up for forward-locked applications in ASEC containers. 10445 if (!isExternal(p)) { 10446 pStats.codeSize += pStats.externalCodeSize; 10447 pStats.externalCodeSize = 0L; 10448 } 10449 10450 return true; 10451 } 10452 10453 10454 public void addPackageToPreferred(String packageName) { 10455 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10456 } 10457 10458 public void removePackageFromPreferred(String packageName) { 10459 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10460 } 10461 10462 public List<PackageInfo> getPreferredPackages(int flags) { 10463 return new ArrayList<PackageInfo>(); 10464 } 10465 10466 private int getUidTargetSdkVersionLockedLPr(int uid) { 10467 Object obj = mSettings.getUserIdLPr(uid); 10468 if (obj instanceof SharedUserSetting) { 10469 final SharedUserSetting sus = (SharedUserSetting) obj; 10470 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10471 final Iterator<PackageSetting> it = sus.packages.iterator(); 10472 while (it.hasNext()) { 10473 final PackageSetting ps = it.next(); 10474 if (ps.pkg != null) { 10475 int v = ps.pkg.applicationInfo.targetSdkVersion; 10476 if (v < vers) vers = v; 10477 } 10478 } 10479 return vers; 10480 } else if (obj instanceof PackageSetting) { 10481 final PackageSetting ps = (PackageSetting) obj; 10482 if (ps.pkg != null) { 10483 return ps.pkg.applicationInfo.targetSdkVersion; 10484 } 10485 } 10486 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10487 } 10488 10489 public void addPreferredActivity(IntentFilter filter, int match, 10490 ComponentName[] set, ComponentName activity, int userId) { 10491 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10492 } 10493 10494 private void addPreferredActivityInternal(IntentFilter filter, int match, 10495 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10496 // writer 10497 int callingUid = Binder.getCallingUid(); 10498 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10499 if (filter.countActions() == 0) { 10500 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10501 return; 10502 } 10503 synchronized (mPackages) { 10504 if (mContext.checkCallingOrSelfPermission( 10505 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10506 != PackageManager.PERMISSION_GRANTED) { 10507 if (getUidTargetSdkVersionLockedLPr(callingUid) 10508 < Build.VERSION_CODES.FROYO) { 10509 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10510 + callingUid); 10511 return; 10512 } 10513 mContext.enforceCallingOrSelfPermission( 10514 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10515 } 10516 10517 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10518 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10519 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10520 new PreferredActivity(filter, match, set, activity, always)); 10521 mSettings.writePackageRestrictionsLPr(userId); 10522 } 10523 } 10524 10525 public void replacePreferredActivity(IntentFilter filter, int match, 10526 ComponentName[] set, ComponentName activity) { 10527 if (filter.countActions() != 1) { 10528 throw new IllegalArgumentException( 10529 "replacePreferredActivity expects filter to have only 1 action."); 10530 } 10531 if (filter.countDataAuthorities() != 0 10532 || filter.countDataPaths() != 0 10533 || filter.countDataSchemes() > 1 10534 || filter.countDataTypes() != 0) { 10535 throw new IllegalArgumentException( 10536 "replacePreferredActivity expects filter to have no data authorities, " + 10537 "paths, or types; and at most one scheme."); 10538 } 10539 synchronized (mPackages) { 10540 if (mContext.checkCallingOrSelfPermission( 10541 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10542 != PackageManager.PERMISSION_GRANTED) { 10543 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10544 < Build.VERSION_CODES.FROYO) { 10545 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10546 + Binder.getCallingUid()); 10547 return; 10548 } 10549 mContext.enforceCallingOrSelfPermission( 10550 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10551 } 10552 10553 final int callingUserId = UserHandle.getCallingUserId(); 10554 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10555 if (pir != null) { 10556 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10557 if (filter.countDataSchemes() == 1) { 10558 Uri.Builder builder = new Uri.Builder(); 10559 builder.scheme(filter.getDataScheme(0)); 10560 intent.setData(builder.build()); 10561 } 10562 List<PreferredActivity> matches = pir.queryIntent( 10563 intent, null, true, callingUserId); 10564 if (DEBUG_PREFERRED) { 10565 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10566 } 10567 for (int i = 0; i < matches.size(); i++) { 10568 PreferredActivity pa = matches.get(i); 10569 if (DEBUG_PREFERRED) { 10570 Slog.i(TAG, "Removing preferred activity " 10571 + pa.mPref.mComponent + ":"); 10572 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10573 } 10574 pir.removeFilter(pa); 10575 } 10576 } 10577 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10578 } 10579 } 10580 10581 public void clearPackagePreferredActivities(String packageName) { 10582 final int uid = Binder.getCallingUid(); 10583 // writer 10584 synchronized (mPackages) { 10585 PackageParser.Package pkg = mPackages.get(packageName); 10586 if (pkg == null || pkg.applicationInfo.uid != uid) { 10587 if (mContext.checkCallingOrSelfPermission( 10588 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10589 != PackageManager.PERMISSION_GRANTED) { 10590 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10591 < Build.VERSION_CODES.FROYO) { 10592 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10593 + Binder.getCallingUid()); 10594 return; 10595 } 10596 mContext.enforceCallingOrSelfPermission( 10597 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10598 } 10599 } 10600 10601 int user = UserHandle.getCallingUserId(); 10602 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10603 mSettings.writePackageRestrictionsLPr(user); 10604 scheduleWriteSettingsLocked(); 10605 } 10606 } 10607 } 10608 10609 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10610 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10611 ArrayList<PreferredActivity> removed = null; 10612 boolean changed = false; 10613 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10614 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10615 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10616 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10617 continue; 10618 } 10619 Iterator<PreferredActivity> it = pir.filterIterator(); 10620 while (it.hasNext()) { 10621 PreferredActivity pa = it.next(); 10622 // Mark entry for removal only if it matches the package name 10623 // and the entry is of type "always". 10624 if (packageName == null || 10625 (pa.mPref.mComponent.getPackageName().equals(packageName) 10626 && pa.mPref.mAlways)) { 10627 if (removed == null) { 10628 removed = new ArrayList<PreferredActivity>(); 10629 } 10630 removed.add(pa); 10631 } 10632 } 10633 if (removed != null) { 10634 for (int j=0; j<removed.size(); j++) { 10635 PreferredActivity pa = removed.get(j); 10636 pir.removeFilter(pa); 10637 } 10638 changed = true; 10639 } 10640 } 10641 return changed; 10642 } 10643 10644 public void resetPreferredActivities(int userId) { 10645 mContext.enforceCallingOrSelfPermission( 10646 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10647 // writer 10648 synchronized (mPackages) { 10649 int user = UserHandle.getCallingUserId(); 10650 clearPackagePreferredActivitiesLPw(null, user); 10651 mSettings.readDefaultPreferredAppsLPw(this, user); 10652 mSettings.writePackageRestrictionsLPr(user); 10653 scheduleWriteSettingsLocked(); 10654 } 10655 } 10656 10657 public int getPreferredActivities(List<IntentFilter> outFilters, 10658 List<ComponentName> outActivities, String packageName) { 10659 10660 int num = 0; 10661 final int userId = UserHandle.getCallingUserId(); 10662 // reader 10663 synchronized (mPackages) { 10664 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10665 if (pir != null) { 10666 final Iterator<PreferredActivity> it = pir.filterIterator(); 10667 while (it.hasNext()) { 10668 final PreferredActivity pa = it.next(); 10669 if (packageName == null 10670 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10671 && pa.mPref.mAlways)) { 10672 if (outFilters != null) { 10673 outFilters.add(new IntentFilter(pa)); 10674 } 10675 if (outActivities != null) { 10676 outActivities.add(pa.mPref.mComponent); 10677 } 10678 } 10679 } 10680 } 10681 } 10682 10683 return num; 10684 } 10685 10686 @Override 10687 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 10688 int userId) { 10689 int callingUid = Binder.getCallingUid(); 10690 if (callingUid != Process.SYSTEM_UID) { 10691 throw new SecurityException( 10692 "addPersistentPreferredActivity can only be run by the system"); 10693 } 10694 if (filter.countActions() == 0) { 10695 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10696 return; 10697 } 10698 synchronized (mPackages) { 10699 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 10700 " :"); 10701 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10702 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 10703 new PersistentPreferredActivity(filter, activity)); 10704 mSettings.writePackageRestrictionsLPr(userId); 10705 } 10706 } 10707 10708 @Override 10709 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 10710 int callingUid = Binder.getCallingUid(); 10711 if (callingUid != Process.SYSTEM_UID) { 10712 throw new SecurityException( 10713 "clearPackagePersistentPreferredActivities can only be run by the system"); 10714 } 10715 ArrayList<PersistentPreferredActivity> removed = null; 10716 boolean changed = false; 10717 synchronized (mPackages) { 10718 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 10719 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 10720 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 10721 .valueAt(i); 10722 if (userId != thisUserId) { 10723 continue; 10724 } 10725 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 10726 while (it.hasNext()) { 10727 PersistentPreferredActivity ppa = it.next(); 10728 // Mark entry for removal only if it matches the package name. 10729 if (ppa.mComponent.getPackageName().equals(packageName)) { 10730 if (removed == null) { 10731 removed = new ArrayList<PersistentPreferredActivity>(); 10732 } 10733 removed.add(ppa); 10734 } 10735 } 10736 if (removed != null) { 10737 for (int j=0; j<removed.size(); j++) { 10738 PersistentPreferredActivity ppa = removed.get(j); 10739 ppir.removeFilter(ppa); 10740 } 10741 changed = true; 10742 } 10743 } 10744 10745 if (changed) { 10746 mSettings.writePackageRestrictionsLPr(userId); 10747 } 10748 } 10749 } 10750 10751 @Override 10752 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10753 Intent intent = new Intent(Intent.ACTION_MAIN); 10754 intent.addCategory(Intent.CATEGORY_HOME); 10755 10756 final int callingUserId = UserHandle.getCallingUserId(); 10757 List<ResolveInfo> list = queryIntentActivities(intent, null, 10758 PackageManager.GET_META_DATA, callingUserId); 10759 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10760 true, false, false, callingUserId); 10761 10762 allHomeCandidates.clear(); 10763 if (list != null) { 10764 for (ResolveInfo ri : list) { 10765 allHomeCandidates.add(ri); 10766 } 10767 } 10768 return (preferred == null || preferred.activityInfo == null) 10769 ? null 10770 : new ComponentName(preferred.activityInfo.packageName, 10771 preferred.activityInfo.name); 10772 } 10773 10774 @Override 10775 public void setApplicationEnabledSetting(String appPackageName, 10776 int newState, int flags, int userId, String callingPackage) { 10777 if (!sUserManager.exists(userId)) return; 10778 if (callingPackage == null) { 10779 callingPackage = Integer.toString(Binder.getCallingUid()); 10780 } 10781 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10782 } 10783 10784 @Override 10785 public void setComponentEnabledSetting(ComponentName componentName, 10786 int newState, int flags, int userId) { 10787 if (!sUserManager.exists(userId)) return; 10788 setEnabledSetting(componentName.getPackageName(), 10789 componentName.getClassName(), newState, flags, userId, null); 10790 } 10791 10792 private void setEnabledSetting(final String packageName, String className, int newState, 10793 final int flags, int userId, String callingPackage) { 10794 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10795 || newState == COMPONENT_ENABLED_STATE_ENABLED 10796 || newState == COMPONENT_ENABLED_STATE_DISABLED 10797 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10798 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10799 throw new IllegalArgumentException("Invalid new component state: " 10800 + newState); 10801 } 10802 PackageSetting pkgSetting; 10803 final int uid = Binder.getCallingUid(); 10804 final int permission = mContext.checkCallingOrSelfPermission( 10805 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10806 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10807 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10808 boolean sendNow = false; 10809 boolean isApp = (className == null); 10810 String componentName = isApp ? packageName : className; 10811 int packageUid = -1; 10812 ArrayList<String> components; 10813 10814 // writer 10815 synchronized (mPackages) { 10816 pkgSetting = mSettings.mPackages.get(packageName); 10817 if (pkgSetting == null) { 10818 if (className == null) { 10819 throw new IllegalArgumentException( 10820 "Unknown package: " + packageName); 10821 } 10822 throw new IllegalArgumentException( 10823 "Unknown component: " + packageName 10824 + "/" + className); 10825 } 10826 // Allow root and verify that userId is not being specified by a different user 10827 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 10828 throw new SecurityException( 10829 "Permission Denial: attempt to change component state from pid=" 10830 + Binder.getCallingPid() 10831 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 10832 } 10833 if (className == null) { 10834 // We're dealing with an application/package level state change 10835 if (pkgSetting.getEnabled(userId) == newState) { 10836 // Nothing to do 10837 return; 10838 } 10839 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 10840 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 10841 // Don't care about who enables an app. 10842 callingPackage = null; 10843 } 10844 pkgSetting.setEnabled(newState, userId, callingPackage); 10845 // pkgSetting.pkg.mSetEnabled = newState; 10846 } else { 10847 // We're dealing with a component level state change 10848 // First, verify that this is a valid class name. 10849 PackageParser.Package pkg = pkgSetting.pkg; 10850 if (pkg == null || !pkg.hasComponentClassName(className)) { 10851 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 10852 throw new IllegalArgumentException("Component class " + className 10853 + " does not exist in " + packageName); 10854 } else { 10855 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 10856 + className + " does not exist in " + packageName); 10857 } 10858 } 10859 switch (newState) { 10860 case COMPONENT_ENABLED_STATE_ENABLED: 10861 if (!pkgSetting.enableComponentLPw(className, userId)) { 10862 return; 10863 } 10864 break; 10865 case COMPONENT_ENABLED_STATE_DISABLED: 10866 if (!pkgSetting.disableComponentLPw(className, userId)) { 10867 return; 10868 } 10869 break; 10870 case COMPONENT_ENABLED_STATE_DEFAULT: 10871 if (!pkgSetting.restoreComponentLPw(className, userId)) { 10872 return; 10873 } 10874 break; 10875 default: 10876 Slog.e(TAG, "Invalid new component state: " + newState); 10877 return; 10878 } 10879 } 10880 mSettings.writePackageRestrictionsLPr(userId); 10881 components = mPendingBroadcasts.get(userId, packageName); 10882 final boolean newPackage = components == null; 10883 if (newPackage) { 10884 components = new ArrayList<String>(); 10885 } 10886 if (!components.contains(componentName)) { 10887 components.add(componentName); 10888 } 10889 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 10890 sendNow = true; 10891 // Purge entry from pending broadcast list if another one exists already 10892 // since we are sending one right away. 10893 mPendingBroadcasts.remove(userId, packageName); 10894 } else { 10895 if (newPackage) { 10896 mPendingBroadcasts.put(userId, packageName, components); 10897 } 10898 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 10899 // Schedule a message 10900 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 10901 } 10902 } 10903 } 10904 10905 long callingId = Binder.clearCallingIdentity(); 10906 try { 10907 if (sendNow) { 10908 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 10909 sendPackageChangedBroadcast(packageName, 10910 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 10911 } 10912 } finally { 10913 Binder.restoreCallingIdentity(callingId); 10914 } 10915 } 10916 10917 private void sendPackageChangedBroadcast(String packageName, 10918 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 10919 if (DEBUG_INSTALL) 10920 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 10921 + componentNames); 10922 Bundle extras = new Bundle(4); 10923 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 10924 String nameList[] = new String[componentNames.size()]; 10925 componentNames.toArray(nameList); 10926 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 10927 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 10928 extras.putInt(Intent.EXTRA_UID, packageUid); 10929 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 10930 new int[] {UserHandle.getUserId(packageUid)}); 10931 } 10932 10933 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 10934 if (!sUserManager.exists(userId)) return; 10935 final int uid = Binder.getCallingUid(); 10936 final int permission = mContext.checkCallingOrSelfPermission( 10937 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10938 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10939 enforceCrossUserPermission(uid, userId, true, "stop package"); 10940 // writer 10941 synchronized (mPackages) { 10942 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 10943 uid, userId)) { 10944 scheduleWritePackageRestrictionsLocked(userId); 10945 } 10946 } 10947 } 10948 10949 public String getInstallerPackageName(String packageName) { 10950 // reader 10951 synchronized (mPackages) { 10952 return mSettings.getInstallerPackageNameLPr(packageName); 10953 } 10954 } 10955 10956 @Override 10957 public int getApplicationEnabledSetting(String packageName, int userId) { 10958 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10959 int uid = Binder.getCallingUid(); 10960 enforceCrossUserPermission(uid, userId, false, "get enabled"); 10961 // reader 10962 synchronized (mPackages) { 10963 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 10964 } 10965 } 10966 10967 @Override 10968 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 10969 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10970 int uid = Binder.getCallingUid(); 10971 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 10972 // reader 10973 synchronized (mPackages) { 10974 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 10975 } 10976 } 10977 10978 public void enterSafeMode() { 10979 enforceSystemOrRoot("Only the system can request entering safe mode"); 10980 10981 if (!mSystemReady) { 10982 mSafeMode = true; 10983 } 10984 } 10985 10986 public void systemReady() { 10987 mSystemReady = true; 10988 10989 // Read the compatibilty setting when the system is ready. 10990 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 10991 mContext.getContentResolver(), 10992 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 10993 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 10994 if (DEBUG_SETTINGS) { 10995 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 10996 } 10997 10998 synchronized (mPackages) { 10999 // Verify that all of the preferred activity components actually 11000 // exist. It is possible for applications to be updated and at 11001 // that point remove a previously declared activity component that 11002 // had been set as a preferred activity. We try to clean this up 11003 // the next time we encounter that preferred activity, but it is 11004 // possible for the user flow to never be able to return to that 11005 // situation so here we do a sanity check to make sure we haven't 11006 // left any junk around. 11007 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11008 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11009 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11010 removed.clear(); 11011 for (PreferredActivity pa : pir.filterSet()) { 11012 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11013 removed.add(pa); 11014 } 11015 } 11016 if (removed.size() > 0) { 11017 for (int j=0; j<removed.size(); j++) { 11018 PreferredActivity pa = removed.get(i); 11019 Slog.w(TAG, "Removing dangling preferred activity: " 11020 + pa.mPref.mComponent); 11021 pir.removeFilter(pa); 11022 } 11023 mSettings.writePackageRestrictionsLPr( 11024 mSettings.mPreferredActivities.keyAt(i)); 11025 } 11026 } 11027 } 11028 sUserManager.systemReady(); 11029 } 11030 11031 public boolean isSafeMode() { 11032 return mSafeMode; 11033 } 11034 11035 public boolean hasSystemUidErrors() { 11036 return mHasSystemUidErrors; 11037 } 11038 11039 static String arrayToString(int[] array) { 11040 StringBuffer buf = new StringBuffer(128); 11041 buf.append('['); 11042 if (array != null) { 11043 for (int i=0; i<array.length; i++) { 11044 if (i > 0) buf.append(", "); 11045 buf.append(array[i]); 11046 } 11047 } 11048 buf.append(']'); 11049 return buf.toString(); 11050 } 11051 11052 static class DumpState { 11053 public static final int DUMP_LIBS = 1 << 0; 11054 11055 public static final int DUMP_FEATURES = 1 << 1; 11056 11057 public static final int DUMP_RESOLVERS = 1 << 2; 11058 11059 public static final int DUMP_PERMISSIONS = 1 << 3; 11060 11061 public static final int DUMP_PACKAGES = 1 << 4; 11062 11063 public static final int DUMP_SHARED_USERS = 1 << 5; 11064 11065 public static final int DUMP_MESSAGES = 1 << 6; 11066 11067 public static final int DUMP_PROVIDERS = 1 << 7; 11068 11069 public static final int DUMP_VERIFIERS = 1 << 8; 11070 11071 public static final int DUMP_PREFERRED = 1 << 9; 11072 11073 public static final int DUMP_PREFERRED_XML = 1 << 10; 11074 11075 public static final int DUMP_KEYSETS = 1 << 11; 11076 11077 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11078 11079 private int mTypes; 11080 11081 private int mOptions; 11082 11083 private boolean mTitlePrinted; 11084 11085 private SharedUserSetting mSharedUser; 11086 11087 public boolean isDumping(int type) { 11088 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11089 return true; 11090 } 11091 11092 return (mTypes & type) != 0; 11093 } 11094 11095 public void setDump(int type) { 11096 mTypes |= type; 11097 } 11098 11099 public boolean isOptionEnabled(int option) { 11100 return (mOptions & option) != 0; 11101 } 11102 11103 public void setOptionEnabled(int option) { 11104 mOptions |= option; 11105 } 11106 11107 public boolean onTitlePrinted() { 11108 final boolean printed = mTitlePrinted; 11109 mTitlePrinted = true; 11110 return printed; 11111 } 11112 11113 public boolean getTitlePrinted() { 11114 return mTitlePrinted; 11115 } 11116 11117 public void setTitlePrinted(boolean enabled) { 11118 mTitlePrinted = enabled; 11119 } 11120 11121 public SharedUserSetting getSharedUser() { 11122 return mSharedUser; 11123 } 11124 11125 public void setSharedUser(SharedUserSetting user) { 11126 mSharedUser = user; 11127 } 11128 } 11129 11130 @Override 11131 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11132 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11133 != PackageManager.PERMISSION_GRANTED) { 11134 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11135 + Binder.getCallingPid() 11136 + ", uid=" + Binder.getCallingUid() 11137 + " without permission " 11138 + android.Manifest.permission.DUMP); 11139 return; 11140 } 11141 11142 DumpState dumpState = new DumpState(); 11143 boolean fullPreferred = false; 11144 boolean checkin = false; 11145 11146 String packageName = null; 11147 11148 int opti = 0; 11149 while (opti < args.length) { 11150 String opt = args[opti]; 11151 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11152 break; 11153 } 11154 opti++; 11155 if ("-a".equals(opt)) { 11156 // Right now we only know how to print all. 11157 } else if ("-h".equals(opt)) { 11158 pw.println("Package manager dump options:"); 11159 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11160 pw.println(" --checkin: dump for a checkin"); 11161 pw.println(" -f: print details of intent filters"); 11162 pw.println(" -h: print this help"); 11163 pw.println(" cmd may be one of:"); 11164 pw.println(" l[ibraries]: list known shared libraries"); 11165 pw.println(" f[ibraries]: list device features"); 11166 pw.println(" r[esolvers]: dump intent resolvers"); 11167 pw.println(" perm[issions]: dump permissions"); 11168 pw.println(" pref[erred]: print preferred package settings"); 11169 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11170 pw.println(" prov[iders]: dump content providers"); 11171 pw.println(" p[ackages]: dump installed packages"); 11172 pw.println(" s[hared-users]: dump shared user IDs"); 11173 pw.println(" m[essages]: print collected runtime messages"); 11174 pw.println(" v[erifiers]: print package verifier info"); 11175 pw.println(" <package.name>: info about given package"); 11176 pw.println(" k[eysets]: print known keysets"); 11177 return; 11178 } else if ("--checkin".equals(opt)) { 11179 checkin = true; 11180 } else if ("-f".equals(opt)) { 11181 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11182 } else { 11183 pw.println("Unknown argument: " + opt + "; use -h for help"); 11184 } 11185 } 11186 11187 // Is the caller requesting to dump a particular piece of data? 11188 if (opti < args.length) { 11189 String cmd = args[opti]; 11190 opti++; 11191 // Is this a package name? 11192 if ("android".equals(cmd) || cmd.contains(".")) { 11193 packageName = cmd; 11194 // When dumping a single package, we always dump all of its 11195 // filter information since the amount of data will be reasonable. 11196 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11197 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11198 dumpState.setDump(DumpState.DUMP_LIBS); 11199 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11200 dumpState.setDump(DumpState.DUMP_FEATURES); 11201 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11202 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11203 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11204 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11205 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11206 dumpState.setDump(DumpState.DUMP_PREFERRED); 11207 } else if ("preferred-xml".equals(cmd)) { 11208 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 11209 if (opti < args.length && "--full".equals(args[opti])) { 11210 fullPreferred = true; 11211 opti++; 11212 } 11213 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 11214 dumpState.setDump(DumpState.DUMP_PACKAGES); 11215 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 11216 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 11217 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 11218 dumpState.setDump(DumpState.DUMP_PROVIDERS); 11219 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 11220 dumpState.setDump(DumpState.DUMP_MESSAGES); 11221 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 11222 dumpState.setDump(DumpState.DUMP_VERIFIERS); 11223 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 11224 dumpState.setDump(DumpState.DUMP_KEYSETS); 11225 } 11226 } 11227 11228 if (checkin) { 11229 pw.println("vers,1"); 11230 } 11231 11232 // reader 11233 synchronized (mPackages) { 11234 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 11235 if (!checkin) { 11236 if (dumpState.onTitlePrinted()) 11237 pw.println(); 11238 pw.println("Verifiers:"); 11239 pw.print(" Required: "); 11240 pw.print(mRequiredVerifierPackage); 11241 pw.print(" (uid="); 11242 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 11243 pw.println(")"); 11244 } else if (mRequiredVerifierPackage != null) { 11245 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 11246 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 11247 } 11248 } 11249 11250 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 11251 boolean printedHeader = false; 11252 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 11253 while (it.hasNext()) { 11254 String name = it.next(); 11255 SharedLibraryEntry ent = mSharedLibraries.get(name); 11256 if (!checkin) { 11257 if (!printedHeader) { 11258 if (dumpState.onTitlePrinted()) 11259 pw.println(); 11260 pw.println("Libraries:"); 11261 printedHeader = true; 11262 } 11263 pw.print(" "); 11264 } else { 11265 pw.print("lib,"); 11266 } 11267 pw.print(name); 11268 if (!checkin) { 11269 pw.print(" -> "); 11270 } 11271 if (ent.path != null) { 11272 if (!checkin) { 11273 pw.print("(jar) "); 11274 pw.print(ent.path); 11275 } else { 11276 pw.print(",jar,"); 11277 pw.print(ent.path); 11278 } 11279 } else { 11280 if (!checkin) { 11281 pw.print("(apk) "); 11282 pw.print(ent.apk); 11283 } else { 11284 pw.print(",apk,"); 11285 pw.print(ent.apk); 11286 } 11287 } 11288 pw.println(); 11289 } 11290 } 11291 11292 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11293 if (dumpState.onTitlePrinted()) 11294 pw.println(); 11295 if (!checkin) { 11296 pw.println("Features:"); 11297 } 11298 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11299 while (it.hasNext()) { 11300 String name = it.next(); 11301 if (!checkin) { 11302 pw.print(" "); 11303 } else { 11304 pw.print("feat,"); 11305 } 11306 pw.println(name); 11307 } 11308 } 11309 11310 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 11311 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 11312 : "Activity Resolver Table:", " ", packageName, 11313 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11314 dumpState.setTitlePrinted(true); 11315 } 11316 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 11317 : "Receiver Resolver Table:", " ", packageName, 11318 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11319 dumpState.setTitlePrinted(true); 11320 } 11321 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11322 : "Service Resolver Table:", " ", packageName, 11323 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11324 dumpState.setTitlePrinted(true); 11325 } 11326 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11327 : "Provider Resolver Table:", " ", packageName, 11328 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11329 dumpState.setTitlePrinted(true); 11330 } 11331 } 11332 11333 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11334 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11335 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11336 int user = mSettings.mPreferredActivities.keyAt(i); 11337 if (pir.dump(pw, 11338 dumpState.getTitlePrinted() 11339 ? "\nPreferred Activities User " + user + ":" 11340 : "Preferred Activities User " + user + ":", " ", 11341 packageName, true)) { 11342 dumpState.setTitlePrinted(true); 11343 } 11344 } 11345 } 11346 11347 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11348 pw.flush(); 11349 FileOutputStream fout = new FileOutputStream(fd); 11350 BufferedOutputStream str = new BufferedOutputStream(fout); 11351 XmlSerializer serializer = new FastXmlSerializer(); 11352 try { 11353 serializer.setOutput(str, "utf-8"); 11354 serializer.startDocument(null, true); 11355 serializer.setFeature( 11356 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11357 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11358 serializer.endDocument(); 11359 serializer.flush(); 11360 } catch (IllegalArgumentException e) { 11361 pw.println("Failed writing: " + e); 11362 } catch (IllegalStateException e) { 11363 pw.println("Failed writing: " + e); 11364 } catch (IOException e) { 11365 pw.println("Failed writing: " + e); 11366 } 11367 } 11368 11369 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11370 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11371 } 11372 11373 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11374 boolean printedSomething = false; 11375 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11376 if (packageName != null && !packageName.equals(p.info.packageName)) { 11377 continue; 11378 } 11379 if (!printedSomething) { 11380 if (dumpState.onTitlePrinted()) 11381 pw.println(); 11382 pw.println("Registered ContentProviders:"); 11383 printedSomething = true; 11384 } 11385 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11386 pw.print(" "); pw.println(p.toString()); 11387 } 11388 printedSomething = false; 11389 for (Map.Entry<String, PackageParser.Provider> entry : 11390 mProvidersByAuthority.entrySet()) { 11391 PackageParser.Provider p = entry.getValue(); 11392 if (packageName != null && !packageName.equals(p.info.packageName)) { 11393 continue; 11394 } 11395 if (!printedSomething) { 11396 if (dumpState.onTitlePrinted()) 11397 pw.println(); 11398 pw.println("ContentProvider Authorities:"); 11399 printedSomething = true; 11400 } 11401 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11402 pw.print(" "); pw.println(p.toString()); 11403 if (p.info != null && p.info.applicationInfo != null) { 11404 final String appInfo = p.info.applicationInfo.toString(); 11405 pw.print(" applicationInfo="); pw.println(appInfo); 11406 } 11407 } 11408 } 11409 11410 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11411 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11412 } 11413 11414 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11415 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11416 } 11417 11418 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11419 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11420 } 11421 11422 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11423 if (dumpState.onTitlePrinted()) 11424 pw.println(); 11425 mSettings.dumpReadMessagesLPr(pw, dumpState); 11426 11427 pw.println(); 11428 pw.println("Package warning messages:"); 11429 final File fname = getSettingsProblemFile(); 11430 FileInputStream in = null; 11431 try { 11432 in = new FileInputStream(fname); 11433 final int avail = in.available(); 11434 final byte[] data = new byte[avail]; 11435 in.read(data); 11436 pw.print(new String(data)); 11437 } catch (FileNotFoundException e) { 11438 } catch (IOException e) { 11439 } finally { 11440 if (in != null) { 11441 try { 11442 in.close(); 11443 } catch (IOException e) { 11444 } 11445 } 11446 } 11447 } 11448 } 11449 } 11450 11451 // ------- apps on sdcard specific code ------- 11452 static final boolean DEBUG_SD_INSTALL = false; 11453 11454 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11455 11456 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11457 11458 private boolean mMediaMounted = false; 11459 11460 private String getEncryptKey() { 11461 try { 11462 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11463 SD_ENCRYPTION_KEYSTORE_NAME); 11464 if (sdEncKey == null) { 11465 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11466 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11467 if (sdEncKey == null) { 11468 Slog.e(TAG, "Failed to create encryption keys"); 11469 return null; 11470 } 11471 } 11472 return sdEncKey; 11473 } catch (NoSuchAlgorithmException nsae) { 11474 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11475 return null; 11476 } catch (IOException ioe) { 11477 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11478 return null; 11479 } 11480 11481 } 11482 11483 /* package */static String getTempContainerId() { 11484 int tmpIdx = 1; 11485 String list[] = PackageHelper.getSecureContainerList(); 11486 if (list != null) { 11487 for (final String name : list) { 11488 // Ignore null and non-temporary container entries 11489 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11490 continue; 11491 } 11492 11493 String subStr = name.substring(mTempContainerPrefix.length()); 11494 try { 11495 int cid = Integer.parseInt(subStr); 11496 if (cid >= tmpIdx) { 11497 tmpIdx = cid + 1; 11498 } 11499 } catch (NumberFormatException e) { 11500 } 11501 } 11502 } 11503 return mTempContainerPrefix + tmpIdx; 11504 } 11505 11506 /* 11507 * Update media status on PackageManager. 11508 */ 11509 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11510 int callingUid = Binder.getCallingUid(); 11511 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11512 throw new SecurityException("Media status can only be updated by the system"); 11513 } 11514 // reader; this apparently protects mMediaMounted, but should probably 11515 // be a different lock in that case. 11516 synchronized (mPackages) { 11517 Log.i(TAG, "Updating external media status from " 11518 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11519 + (mediaStatus ? "mounted" : "unmounted")); 11520 if (DEBUG_SD_INSTALL) 11521 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11522 + ", mMediaMounted=" + mMediaMounted); 11523 if (mediaStatus == mMediaMounted) { 11524 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11525 : 0, -1); 11526 mHandler.sendMessage(msg); 11527 return; 11528 } 11529 mMediaMounted = mediaStatus; 11530 } 11531 // Queue up an async operation since the package installation may take a 11532 // little while. 11533 mHandler.post(new Runnable() { 11534 public void run() { 11535 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11536 } 11537 }); 11538 } 11539 11540 /** 11541 * Called by MountService when the initial ASECs to scan are available. 11542 * Should block until all the ASEC containers are finished being scanned. 11543 */ 11544 public void scanAvailableAsecs() { 11545 updateExternalMediaStatusInner(true, false, false); 11546 if (mShouldRestoreconData) { 11547 SELinuxMMAC.setRestoreconDone(); 11548 mShouldRestoreconData = false; 11549 } 11550 } 11551 11552 /* 11553 * Collect information of applications on external media, map them against 11554 * existing containers and update information based on current mount status. 11555 * Please note that we always have to report status if reportStatus has been 11556 * set to true especially when unloading packages. 11557 */ 11558 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11559 boolean externalStorage) { 11560 // Collection of uids 11561 int uidArr[] = null; 11562 // Collection of stale containers 11563 HashSet<String> removeCids = new HashSet<String>(); 11564 // Collection of packages on external media with valid containers. 11565 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11566 // Get list of secure containers. 11567 final String list[] = PackageHelper.getSecureContainerList(); 11568 if (list == null || list.length == 0) { 11569 Log.i(TAG, "No secure containers on sdcard"); 11570 } else { 11571 // Process list of secure containers and categorize them 11572 // as active or stale based on their package internal state. 11573 int uidList[] = new int[list.length]; 11574 int num = 0; 11575 // reader 11576 synchronized (mPackages) { 11577 for (String cid : list) { 11578 if (DEBUG_SD_INSTALL) 11579 Log.i(TAG, "Processing container " + cid); 11580 String pkgName = getAsecPackageName(cid); 11581 if (pkgName == null) { 11582 if (DEBUG_SD_INSTALL) 11583 Log.i(TAG, "Container : " + cid + " stale"); 11584 removeCids.add(cid); 11585 continue; 11586 } 11587 if (DEBUG_SD_INSTALL) 11588 Log.i(TAG, "Looking for pkg : " + pkgName); 11589 11590 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11591 if (ps == null) { 11592 Log.i(TAG, "Deleting container with no matching settings " + cid); 11593 removeCids.add(cid); 11594 continue; 11595 } 11596 11597 /* 11598 * Skip packages that are not external if we're unmounting 11599 * external storage. 11600 */ 11601 if (externalStorage && !isMounted && !isExternal(ps)) { 11602 continue; 11603 } 11604 11605 final AsecInstallArgs args = new AsecInstallArgs(cid, isForwardLocked(ps)); 11606 // The package status is changed only if the code path 11607 // matches between settings and the container id. 11608 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11609 if (DEBUG_SD_INSTALL) { 11610 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11611 + " at code path: " + ps.codePathString); 11612 } 11613 11614 // We do have a valid package installed on sdcard 11615 processCids.put(args, ps.codePathString); 11616 final int uid = ps.appId; 11617 if (uid != -1) { 11618 uidList[num++] = uid; 11619 } 11620 } else { 11621 Log.i(TAG, "Deleting stale container for " + cid); 11622 removeCids.add(cid); 11623 } 11624 } 11625 } 11626 11627 if (num > 0) { 11628 // Sort uid list 11629 Arrays.sort(uidList, 0, num); 11630 // Throw away duplicates 11631 uidArr = new int[num]; 11632 uidArr[0] = uidList[0]; 11633 int di = 0; 11634 for (int i = 1; i < num; i++) { 11635 if (uidList[i - 1] != uidList[i]) { 11636 uidArr[di++] = uidList[i]; 11637 } 11638 } 11639 } 11640 } 11641 // Process packages with valid entries. 11642 if (isMounted) { 11643 if (DEBUG_SD_INSTALL) 11644 Log.i(TAG, "Loading packages"); 11645 loadMediaPackages(processCids, uidArr, removeCids); 11646 startCleaningPackages(); 11647 } else { 11648 if (DEBUG_SD_INSTALL) 11649 Log.i(TAG, "Unloading packages"); 11650 unloadMediaPackages(processCids, uidArr, reportStatus); 11651 } 11652 } 11653 11654 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11655 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11656 int size = pkgList.size(); 11657 if (size > 0) { 11658 // Send broadcasts here 11659 Bundle extras = new Bundle(); 11660 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11661 .toArray(new String[size])); 11662 if (uidArr != null) { 11663 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11664 } 11665 if (replacing) { 11666 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11667 } 11668 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11669 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11670 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11671 } 11672 } 11673 11674 /* 11675 * Look at potentially valid container ids from processCids If package 11676 * information doesn't match the one on record or package scanning fails, 11677 * the cid is added to list of removeCids. We currently don't delete stale 11678 * containers. 11679 */ 11680 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11681 HashSet<String> removeCids) { 11682 ArrayList<String> pkgList = new ArrayList<String>(); 11683 Set<AsecInstallArgs> keys = processCids.keySet(); 11684 boolean doGc = false; 11685 for (AsecInstallArgs args : keys) { 11686 String codePath = processCids.get(args); 11687 if (DEBUG_SD_INSTALL) 11688 Log.i(TAG, "Loading container : " + args.cid); 11689 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11690 try { 11691 // Make sure there are no container errors first. 11692 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11693 Slog.e(TAG, "Failed to mount cid : " + args.cid 11694 + " when installing from sdcard"); 11695 continue; 11696 } 11697 // Check code path here. 11698 if (codePath == null || !codePath.equals(args.getCodePath())) { 11699 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11700 + " does not match one in settings " + codePath); 11701 continue; 11702 } 11703 // Parse package 11704 int parseFlags = mDefParseFlags; 11705 if (args.isExternal()) { 11706 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11707 } 11708 if (args.isFwdLocked()) { 11709 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11710 } 11711 11712 doGc = true; 11713 synchronized (mInstallLock) { 11714 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11715 0, 0, null); 11716 // Scan the package 11717 if (pkg != null) { 11718 /* 11719 * TODO why is the lock being held? doPostInstall is 11720 * called in other places without the lock. This needs 11721 * to be straightened out. 11722 */ 11723 // writer 11724 synchronized (mPackages) { 11725 retCode = PackageManager.INSTALL_SUCCEEDED; 11726 pkgList.add(pkg.packageName); 11727 // Post process args 11728 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11729 pkg.applicationInfo.uid); 11730 } 11731 } else { 11732 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11733 } 11734 } 11735 11736 } finally { 11737 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11738 // Don't destroy container here. Wait till gc clears things 11739 // up. 11740 removeCids.add(args.cid); 11741 } 11742 } 11743 } 11744 // writer 11745 synchronized (mPackages) { 11746 // If the platform SDK has changed since the last time we booted, 11747 // we need to re-grant app permission to catch any new ones that 11748 // appear. This is really a hack, and means that apps can in some 11749 // cases get permissions that the user didn't initially explicitly 11750 // allow... it would be nice to have some better way to handle 11751 // this situation. 11752 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11753 if (regrantPermissions) 11754 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11755 + mSdkVersion + "; regranting permissions for external storage"); 11756 mSettings.mExternalSdkPlatform = mSdkVersion; 11757 11758 // Make sure group IDs have been assigned, and any permission 11759 // changes in other apps are accounted for 11760 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11761 | (regrantPermissions 11762 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11763 : 0)); 11764 // can downgrade to reader 11765 // Persist settings 11766 mSettings.writeLPr(); 11767 } 11768 // Send a broadcast to let everyone know we are done processing 11769 if (pkgList.size() > 0) { 11770 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11771 } 11772 // Force gc to avoid any stale parser references that we might have. 11773 if (doGc) { 11774 Runtime.getRuntime().gc(); 11775 } 11776 // List stale containers and destroy stale temporary containers. 11777 if (removeCids != null) { 11778 for (String cid : removeCids) { 11779 if (cid.startsWith(mTempContainerPrefix)) { 11780 Log.i(TAG, "Destroying stale temporary container " + cid); 11781 PackageHelper.destroySdDir(cid); 11782 } else { 11783 Log.w(TAG, "Container " + cid + " is stale"); 11784 } 11785 } 11786 } 11787 } 11788 11789 /* 11790 * Utility method to unload a list of specified containers 11791 */ 11792 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 11793 // Just unmount all valid containers. 11794 for (AsecInstallArgs arg : cidArgs) { 11795 synchronized (mInstallLock) { 11796 arg.doPostDeleteLI(false); 11797 } 11798 } 11799 } 11800 11801 /* 11802 * Unload packages mounted on external media. This involves deleting package 11803 * data from internal structures, sending broadcasts about diabled packages, 11804 * gc'ing to free up references, unmounting all secure containers 11805 * corresponding to packages on external media, and posting a 11806 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 11807 * that we always have to post this message if status has been requested no 11808 * matter what. 11809 */ 11810 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11811 final boolean reportStatus) { 11812 if (DEBUG_SD_INSTALL) 11813 Log.i(TAG, "unloading media packages"); 11814 ArrayList<String> pkgList = new ArrayList<String>(); 11815 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 11816 final Set<AsecInstallArgs> keys = processCids.keySet(); 11817 for (AsecInstallArgs args : keys) { 11818 String pkgName = args.getPackageName(); 11819 if (DEBUG_SD_INSTALL) 11820 Log.i(TAG, "Trying to unload pkg : " + pkgName); 11821 // Delete package internally 11822 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 11823 synchronized (mInstallLock) { 11824 boolean res = deletePackageLI(pkgName, null, false, null, null, 11825 PackageManager.DELETE_KEEP_DATA, outInfo, false); 11826 if (res) { 11827 pkgList.add(pkgName); 11828 } else { 11829 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 11830 failedList.add(args); 11831 } 11832 } 11833 } 11834 11835 // reader 11836 synchronized (mPackages) { 11837 // We didn't update the settings after removing each package; 11838 // write them now for all packages. 11839 mSettings.writeLPr(); 11840 } 11841 11842 // We have to absolutely send UPDATED_MEDIA_STATUS only 11843 // after confirming that all the receivers processed the ordered 11844 // broadcast when packages get disabled, force a gc to clean things up. 11845 // and unload all the containers. 11846 if (pkgList.size() > 0) { 11847 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 11848 new IIntentReceiver.Stub() { 11849 public void performReceive(Intent intent, int resultCode, String data, 11850 Bundle extras, boolean ordered, boolean sticky, 11851 int sendingUser) throws RemoteException { 11852 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 11853 reportStatus ? 1 : 0, 1, keys); 11854 mHandler.sendMessage(msg); 11855 } 11856 }); 11857 } else { 11858 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 11859 keys); 11860 mHandler.sendMessage(msg); 11861 } 11862 } 11863 11864 /** Binder call */ 11865 @Override 11866 public void movePackage(final String packageName, final IPackageMoveObserver observer, 11867 final int flags) { 11868 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 11869 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 11870 int returnCode = PackageManager.MOVE_SUCCEEDED; 11871 int currFlags = 0; 11872 int newFlags = 0; 11873 // reader 11874 synchronized (mPackages) { 11875 PackageParser.Package pkg = mPackages.get(packageName); 11876 if (pkg == null) { 11877 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11878 } else { 11879 // Disable moving fwd locked apps and system packages 11880 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 11881 Slog.w(TAG, "Cannot move system application"); 11882 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 11883 } else if (pkg.mOperationPending) { 11884 Slog.w(TAG, "Attempt to move package which has pending operations"); 11885 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 11886 } else { 11887 // Find install location first 11888 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 11889 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 11890 Slog.w(TAG, "Ambigous flags specified for move location."); 11891 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11892 } else { 11893 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 11894 : PackageManager.INSTALL_INTERNAL; 11895 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 11896 : PackageManager.INSTALL_INTERNAL; 11897 11898 if (newFlags == currFlags) { 11899 Slog.w(TAG, "No move required. Trying to move to same location"); 11900 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11901 } else { 11902 if (isForwardLocked(pkg)) { 11903 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11904 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11905 } 11906 } 11907 } 11908 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11909 pkg.mOperationPending = true; 11910 } 11911 } 11912 } 11913 11914 /* 11915 * TODO this next block probably shouldn't be inside the lock. We 11916 * can't guarantee these won't change after this is fired off 11917 * anyway. 11918 */ 11919 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11920 processPendingMove(new MoveParams(null, observer, 0, packageName, 11921 null, -1, user), 11922 returnCode); 11923 } else { 11924 Message msg = mHandler.obtainMessage(INIT_COPY); 11925 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 11926 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); 11927 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 11928 pkg.applicationInfo.dataDir, pkg.applicationInfo.uid, user); 11929 msg.obj = mp; 11930 mHandler.sendMessage(msg); 11931 } 11932 } 11933 } 11934 11935 private void processPendingMove(final MoveParams mp, final int currentStatus) { 11936 // Queue up an async operation since the package deletion may take a 11937 // little while. 11938 mHandler.post(new Runnable() { 11939 public void run() { 11940 // TODO fix this; this does nothing. 11941 mHandler.removeCallbacks(this); 11942 int returnCode = currentStatus; 11943 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 11944 int uidArr[] = null; 11945 ArrayList<String> pkgList = null; 11946 synchronized (mPackages) { 11947 PackageParser.Package pkg = mPackages.get(mp.packageName); 11948 if (pkg == null) { 11949 Slog.w(TAG, " Package " + mp.packageName 11950 + " doesn't exist. Aborting move"); 11951 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11952 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 11953 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 11954 + mp.srcArgs.getCodePath() + " to " 11955 + pkg.applicationInfo.sourceDir 11956 + " Aborting move and returning error"); 11957 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11958 } else { 11959 uidArr = new int[] { 11960 pkg.applicationInfo.uid 11961 }; 11962 pkgList = new ArrayList<String>(); 11963 pkgList.add(mp.packageName); 11964 } 11965 } 11966 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11967 // Send resources unavailable broadcast 11968 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 11969 // Update package code and resource paths 11970 synchronized (mInstallLock) { 11971 synchronized (mPackages) { 11972 PackageParser.Package pkg = mPackages.get(mp.packageName); 11973 // Recheck for package again. 11974 if (pkg == null) { 11975 Slog.w(TAG, " Package " + mp.packageName 11976 + " doesn't exist. Aborting move"); 11977 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11978 } else if (!mp.srcArgs.getCodePath().equals( 11979 pkg.applicationInfo.sourceDir)) { 11980 Slog.w(TAG, "Package " + mp.packageName 11981 + " code path changed from " + mp.srcArgs.getCodePath() 11982 + " to " + pkg.applicationInfo.sourceDir 11983 + " Aborting move and returning error"); 11984 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11985 } else { 11986 final String oldCodePath = pkg.mPath; 11987 final String newCodePath = mp.targetArgs.getCodePath(); 11988 final String newResPath = mp.targetArgs.getResourcePath(); 11989 final String newNativePath = mp.targetArgs 11990 .getNativeLibraryPath(); 11991 11992 final File newNativeDir = new File(newNativePath); 11993 11994 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 11995 // NOTE: We do not report any errors from the APK scan and library 11996 // copy at this point. 11997 NativeLibraryHelper.ApkHandle handle = 11998 new NativeLibraryHelper.ApkHandle(newCodePath); 11999 final int abi = NativeLibraryHelper.findSupportedAbi( 12000 handle, Build.SUPPORTED_ABIS); 12001 if (abi >= 0) { 12002 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12003 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12004 } 12005 handle.close(); 12006 } 12007 final int[] users = sUserManager.getUserIds(); 12008 for (int user : users) { 12009 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12010 newNativePath, user) < 0) { 12011 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12012 } 12013 } 12014 12015 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12016 pkg.mPath = newCodePath; 12017 // Move dex files around 12018 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12019 // Moving of dex files failed. Set 12020 // error code and abort move. 12021 pkg.mPath = pkg.mScanPath; 12022 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12023 } 12024 } 12025 12026 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12027 pkg.mScanPath = newCodePath; 12028 pkg.applicationInfo.sourceDir = newCodePath; 12029 pkg.applicationInfo.publicSourceDir = newResPath; 12030 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12031 PackageSetting ps = (PackageSetting) pkg.mExtras; 12032 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12033 ps.codePathString = ps.codePath.getPath(); 12034 ps.resourcePath = new File( 12035 pkg.applicationInfo.publicSourceDir); 12036 ps.resourcePathString = ps.resourcePath.getPath(); 12037 ps.nativeLibraryPathString = newNativePath; 12038 // Set the application info flag 12039 // correctly. 12040 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12041 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12042 } else { 12043 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12044 } 12045 ps.setFlags(pkg.applicationInfo.flags); 12046 mAppDirs.remove(oldCodePath); 12047 mAppDirs.put(newCodePath, pkg); 12048 // Persist settings 12049 mSettings.writeLPr(); 12050 } 12051 } 12052 } 12053 } 12054 // Send resources available broadcast 12055 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12056 } 12057 } 12058 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12059 // Clean up failed installation 12060 if (mp.targetArgs != null) { 12061 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12062 -1); 12063 } 12064 } else { 12065 // Force a gc to clear things up. 12066 Runtime.getRuntime().gc(); 12067 // Delete older code 12068 synchronized (mInstallLock) { 12069 mp.srcArgs.doPostDeleteLI(true); 12070 } 12071 } 12072 12073 // Allow more operations on this file if we didn't fail because 12074 // an operation was already pending for this package. 12075 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12076 synchronized (mPackages) { 12077 PackageParser.Package pkg = mPackages.get(mp.packageName); 12078 if (pkg != null) { 12079 pkg.mOperationPending = false; 12080 } 12081 } 12082 } 12083 12084 IPackageMoveObserver observer = mp.observer; 12085 if (observer != null) { 12086 try { 12087 observer.packageMoved(mp.packageName, returnCode); 12088 } catch (RemoteException e) { 12089 Log.i(TAG, "Observer no longer exists."); 12090 } 12091 } 12092 } 12093 }); 12094 } 12095 12096 public boolean setInstallLocation(int loc) { 12097 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12098 null); 12099 if (getInstallLocation() == loc) { 12100 return true; 12101 } 12102 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12103 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12104 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12105 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12106 return true; 12107 } 12108 return false; 12109 } 12110 12111 public int getInstallLocation() { 12112 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12113 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12114 PackageHelper.APP_INSTALL_AUTO); 12115 } 12116 12117 /** Called by UserManagerService */ 12118 void cleanUpUserLILPw(int userHandle) { 12119 mDirtyUsers.remove(userHandle); 12120 mSettings.removeUserLPr(userHandle); 12121 mPendingBroadcasts.remove(userHandle); 12122 if (mInstaller != null) { 12123 // Technically, we shouldn't be doing this with the package lock 12124 // held. However, this is very rare, and there is already so much 12125 // other disk I/O going on, that we'll let it slide for now. 12126 mInstaller.removeUserDataDirs(userHandle); 12127 } 12128 } 12129 12130 /** Called by UserManagerService */ 12131 void createNewUserLILPw(int userHandle, File path) { 12132 if (mInstaller != null) { 12133 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12134 } 12135 } 12136 12137 @Override 12138 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12139 mContext.enforceCallingOrSelfPermission( 12140 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12141 "Only package verification agents can read the verifier device identity"); 12142 12143 synchronized (mPackages) { 12144 return mSettings.getVerifierDeviceIdentityLPw(); 12145 } 12146 } 12147 12148 @Override 12149 public void setPermissionEnforced(String permission, boolean enforced) { 12150 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12151 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12152 synchronized (mPackages) { 12153 if (mSettings.mReadExternalStorageEnforced == null 12154 || mSettings.mReadExternalStorageEnforced != enforced) { 12155 mSettings.mReadExternalStorageEnforced = enforced; 12156 mSettings.writeLPr(); 12157 } 12158 } 12159 // kill any non-foreground processes so we restart them and 12160 // grant/revoke the GID. 12161 final IActivityManager am = ActivityManagerNative.getDefault(); 12162 if (am != null) { 12163 final long token = Binder.clearCallingIdentity(); 12164 try { 12165 am.killProcessesBelowForeground("setPermissionEnforcement"); 12166 } catch (RemoteException e) { 12167 } finally { 12168 Binder.restoreCallingIdentity(token); 12169 } 12170 } 12171 } else { 12172 throw new IllegalArgumentException("No selective enforcement for " + permission); 12173 } 12174 } 12175 12176 @Override 12177 @Deprecated 12178 public boolean isPermissionEnforced(String permission) { 12179 return true; 12180 } 12181 12182 @Override 12183 public boolean isStorageLow() { 12184 final long token = Binder.clearCallingIdentity(); 12185 try { 12186 final DeviceStorageMonitorInternal 12187 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 12188 if (dsm != null) { 12189 return dsm.isMemoryLow(); 12190 } else { 12191 return false; 12192 } 12193 } finally { 12194 Binder.restoreCallingIdentity(token); 12195 } 12196 } 12197} 12198