PackageManagerService.java revision 6422abef786632e53337c6c298ffa64f7ddf4d90
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static android.os.Process.PACKAGE_INFO_GID; 27import static android.os.Process.SYSTEM_UID; 28import static android.system.OsConstants.S_IRGRP; 29import static android.system.OsConstants.S_IROTH; 30import static android.system.OsConstants.S_IRWXU; 31import static android.system.OsConstants.S_IXGRP; 32import static android.system.OsConstants.S_IXOTH; 33import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 34import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 35import static com.android.internal.util.ArrayUtils.appendInt; 36import static com.android.internal.util.ArrayUtils.removeInt; 37 38import com.android.internal.R; 39import com.android.internal.app.IMediaContainerService; 40import com.android.internal.app.ResolverActivity; 41import com.android.internal.content.NativeLibraryHelper; 42import com.android.internal.content.PackageHelper; 43import com.android.internal.util.FastPrintWriter; 44import com.android.internal.util.FastXmlSerializer; 45import com.android.internal.util.XmlUtils; 46import com.android.server.EventLogTags; 47import com.android.server.IntentResolver; 48import com.android.server.LocalServices; 49import com.android.server.ServiceThread; 50import com.android.server.Watchdog; 51import com.android.server.pm.Settings.DatabaseVersion; 52import com.android.server.storage.DeviceStorageMonitorInternal; 53import com.android.server.storage.DeviceStorageMonitorInternal; 54 55import org.xmlpull.v1.XmlPullParser; 56import org.xmlpull.v1.XmlPullParserException; 57import org.xmlpull.v1.XmlSerializer; 58 59import android.app.ActivityManager; 60import android.app.ActivityManagerNative; 61import android.app.IActivityManager; 62import android.app.admin.IDevicePolicyManager; 63import android.app.backup.IBackupManager; 64import android.content.BroadcastReceiver; 65import android.content.ComponentName; 66import android.content.Context; 67import android.content.IIntentReceiver; 68import android.content.Intent; 69import android.content.IntentFilter; 70import android.content.IntentSender; 71import android.content.IntentSender.SendIntentException; 72import android.content.ServiceConnection; 73import android.content.pm.ActivityInfo; 74import android.content.pm.ApplicationInfo; 75import android.content.pm.ContainerEncryptionParams; 76import android.content.pm.FeatureInfo; 77import android.content.pm.IPackageDataObserver; 78import android.content.pm.IPackageDeleteObserver; 79import android.content.pm.IPackageInstallObserver; 80import android.content.pm.IPackageInstallObserver2; 81import android.content.pm.IPackageManager; 82import android.content.pm.IPackageMoveObserver; 83import android.content.pm.IPackageStatsObserver; 84import android.content.pm.InstrumentationInfo; 85import android.content.pm.ManifestDigest; 86import android.content.pm.PackageCleanItem; 87import android.content.pm.PackageInfo; 88import android.content.pm.PackageInfoLite; 89import android.content.pm.PackageManager; 90import android.content.pm.PackageParser.ActivityIntentInfo; 91import android.content.pm.PackageParser; 92import android.content.pm.PackageStats; 93import android.content.pm.PackageUserState; 94import android.content.pm.ParceledListSlice; 95import android.content.pm.PermissionGroupInfo; 96import android.content.pm.PermissionInfo; 97import android.content.pm.ProviderInfo; 98import android.content.pm.ResolveInfo; 99import android.content.pm.ServiceInfo; 100import android.content.pm.Signature; 101import android.content.pm.VerificationParams; 102import android.content.pm.VerifierDeviceIdentity; 103import android.content.pm.VerifierInfo; 104import android.content.res.Resources; 105import android.hardware.display.DisplayManager; 106import android.net.Uri; 107import android.os.Binder; 108import android.os.Build; 109import android.os.Bundle; 110import android.os.Environment; 111import android.os.Environment.UserEnvironment; 112import android.os.FileObserver; 113import android.os.FileUtils; 114import android.os.Handler; 115import android.os.IBinder; 116import android.os.Looper; 117import android.os.Message; 118import android.os.Parcel; 119import android.os.ParcelFileDescriptor; 120import android.os.Process; 121import android.os.RemoteException; 122import android.os.SELinux; 123import android.os.ServiceManager; 124import android.os.SystemClock; 125import android.os.SystemProperties; 126import android.os.UserHandle; 127import android.os.UserManager; 128import android.security.KeyStore; 129import android.security.SystemKeyStore; 130import android.system.ErrnoException; 131import android.system.Os; 132import android.system.StructStat; 133import android.text.TextUtils; 134import android.util.AtomicFile; 135import android.util.DisplayMetrics; 136import android.util.EventLog; 137import android.util.Log; 138import android.util.LogPrinter; 139import android.util.PrintStreamPrinter; 140import android.util.Slog; 141import android.util.SparseArray; 142import android.util.Xml; 143import android.view.Display; 144 145import java.io.BufferedInputStream; 146import java.io.BufferedOutputStream; 147import java.io.File; 148import java.io.FileDescriptor; 149import java.io.FileInputStream; 150import java.io.FileNotFoundException; 151import java.io.FileOutputStream; 152import java.io.FileReader; 153import java.io.FilenameFilter; 154import java.io.IOException; 155import java.io.InputStream; 156import java.io.PrintWriter; 157import java.nio.charset.StandardCharsets; 158import java.security.NoSuchAlgorithmException; 159import java.security.PublicKey; 160import java.security.cert.Certificate; 161import java.security.cert.CertificateEncodingException; 162import java.security.cert.CertificateException; 163import java.text.SimpleDateFormat; 164import java.util.ArrayList; 165import java.util.Arrays; 166import java.util.Collection; 167import java.util.Collections; 168import java.util.Comparator; 169import java.util.Date; 170import java.util.HashMap; 171import java.util.HashSet; 172import java.util.Iterator; 173import java.util.List; 174import java.util.Map; 175import java.util.Set; 176import java.util.concurrent.atomic.AtomicBoolean; 177import java.util.concurrent.atomic.AtomicLong; 178 179import dalvik.system.DexFile; 180import dalvik.system.StaleDexCacheError; 181import dalvik.system.VMRuntime; 182import libcore.io.IoUtils; 183 184/** 185 * Keep track of all those .apks everywhere. 186 * 187 * This is very central to the platform's security; please run the unit 188 * tests whenever making modifications here: 189 * 190mmm frameworks/base/tests/AndroidTests 191adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 192adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 193 * 194 * {@hide} 195 */ 196public class PackageManagerService extends IPackageManager.Stub { 197 static final String TAG = "PackageManager"; 198 static final boolean DEBUG_SETTINGS = false; 199 static final boolean DEBUG_PREFERRED = false; 200 static final boolean DEBUG_UPGRADE = false; 201 private static final boolean DEBUG_INSTALL = false; 202 private static final boolean DEBUG_REMOVE = false; 203 private static final boolean DEBUG_BROADCASTS = false; 204 private static final boolean DEBUG_SHOW_INFO = false; 205 private static final boolean DEBUG_PACKAGE_INFO = false; 206 private static final boolean DEBUG_INTENT_MATCHING = false; 207 private static final boolean DEBUG_PACKAGE_SCANNING = false; 208 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 209 private static final boolean DEBUG_VERIFY = false; 210 private static final boolean DEBUG_DEXOPT = false; 211 212 private static final int RADIO_UID = Process.PHONE_UID; 213 private static final int LOG_UID = Process.LOG_UID; 214 private static final int NFC_UID = Process.NFC_UID; 215 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 216 private static final int SHELL_UID = Process.SHELL_UID; 217 218 // Cap the size of permission trees that 3rd party apps can define 219 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 220 221 private static final int REMOVE_EVENTS = 222 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 223 private static final int ADD_EVENTS = 224 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 225 226 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 227 // Suffix used during package installation when copying/moving 228 // package apks to install directory. 229 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 230 231 static final int SCAN_MONITOR = 1<<0; 232 static final int SCAN_NO_DEX = 1<<1; 233 static final int SCAN_FORCE_DEX = 1<<2; 234 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 235 static final int SCAN_NEW_INSTALL = 1<<4; 236 static final int SCAN_NO_PATHS = 1<<5; 237 static final int SCAN_UPDATE_TIME = 1<<6; 238 static final int SCAN_DEFER_DEX = 1<<7; 239 static final int SCAN_BOOTING = 1<<8; 240 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 241 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 242 243 static final int REMOVE_CHATTY = 1<<16; 244 245 /** 246 * Timeout (in milliseconds) after which the watchdog should declare that 247 * our handler thread is wedged. The usual default for such things is one 248 * minute but we sometimes do very lengthy I/O operations on this thread, 249 * such as installing multi-gigabyte applications, so ours needs to be longer. 250 */ 251 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 252 253 /** 254 * Whether verification is enabled by default. 255 */ 256 private static final boolean DEFAULT_VERIFY_ENABLE = true; 257 258 /** 259 * The default maximum time to wait for the verification agent to return in 260 * milliseconds. 261 */ 262 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 263 264 /** 265 * The default response for package verification timeout. 266 * 267 * This can be either PackageManager.VERIFICATION_ALLOW or 268 * PackageManager.VERIFICATION_REJECT. 269 */ 270 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 271 272 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 273 274 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 275 DEFAULT_CONTAINER_PACKAGE, 276 "com.android.defcontainer.DefaultContainerService"); 277 278 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 279 280 private static final String LIB_DIR_NAME = "lib"; 281 private static final String LIB64_DIR_NAME = "lib64"; 282 283 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 284 285 static final String mTempContainerPrefix = "smdl2tmp"; 286 287 private static String sPreferredInstructionSet; 288 289 final ServiceThread mHandlerThread; 290 291 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 292 private static final String IDMAP_SUFFIX = "@idmap"; 293 294 final PackageHandler mHandler; 295 296 final int mSdkVersion = Build.VERSION.SDK_INT; 297 298 final Context mContext; 299 final boolean mFactoryTest; 300 final boolean mOnlyCore; 301 final DisplayMetrics mMetrics; 302 final int mDefParseFlags; 303 final String[] mSeparateProcesses; 304 305 // This is where all application persistent data goes. 306 final File mAppDataDir; 307 308 // This is where all application persistent data goes for secondary users. 309 final File mUserAppDataDir; 310 311 /** The location for ASEC container files on internal storage. */ 312 final String mAsecInternalPath; 313 314 // This is the object monitoring the framework dir. 315 final FileObserver mFrameworkInstallObserver; 316 317 // This is the object monitoring the system app dir. 318 final FileObserver mSystemInstallObserver; 319 320 // This is the object monitoring the privileged system app dir. 321 final FileObserver mPrivilegedInstallObserver; 322 323 // This is the object monitoring the vendor app dir. 324 final FileObserver mVendorInstallObserver; 325 326 // This is the object monitoring the vendor overlay package dir. 327 final FileObserver mVendorOverlayInstallObserver; 328 329 // This is the object monitoring the OEM app dir. 330 final FileObserver mOemInstallObserver; 331 332 // This is the object monitoring mAppInstallDir. 333 final FileObserver mAppInstallObserver; 334 335 // This is the object monitoring mDrmAppPrivateInstallDir. 336 final FileObserver mDrmAppInstallObserver; 337 338 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 339 // LOCK HELD. Can be called with mInstallLock held. 340 final Installer mInstaller; 341 342 final File mAppInstallDir; 343 344 /** 345 * Directory to which applications installed internally have native 346 * libraries copied. 347 */ 348 private File mAppLibInstallDir; 349 350 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 351 // apps. 352 final File mDrmAppPrivateInstallDir; 353 354 // ---------------------------------------------------------------- 355 356 // Lock for state used when installing and doing other long running 357 // operations. Methods that must be called with this lock held have 358 // the suffix "LI". 359 final Object mInstallLock = new Object(); 360 361 // These are the directories in the 3rd party applications installed dir 362 // that we have currently loaded packages from. Keys are the application's 363 // installed zip file (absolute codePath), and values are Package. 364 final HashMap<String, PackageParser.Package> mAppDirs = 365 new HashMap<String, PackageParser.Package>(); 366 367 // Information for the parser to write more useful error messages. 368 int mLastScanError; 369 370 // ---------------------------------------------------------------- 371 372 // Keys are String (package name), values are Package. This also serves 373 // as the lock for the global state. Methods that must be called with 374 // this lock held have the prefix "LP". 375 final HashMap<String, PackageParser.Package> mPackages = 376 new HashMap<String, PackageParser.Package>(); 377 378 // Tracks available target package names -> overlay package paths. 379 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 380 new HashMap<String, HashMap<String, PackageParser.Package>>(); 381 382 final Settings mSettings; 383 boolean mRestoredSettings; 384 385 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 386 int[] mGlobalGids; 387 388 // These are the built-in uid -> permission mappings that were read from the 389 // etc/permissions.xml file. 390 final SparseArray<HashSet<String>> mSystemPermissions = 391 new SparseArray<HashSet<String>>(); 392 393 static final class SharedLibraryEntry { 394 final String path; 395 final String apk; 396 397 SharedLibraryEntry(String _path, String _apk) { 398 path = _path; 399 apk = _apk; 400 } 401 } 402 403 // These are the built-in shared libraries that were read from the 404 // etc/permissions.xml file. 405 final HashMap<String, SharedLibraryEntry> mSharedLibraries 406 = new HashMap<String, SharedLibraryEntry>(); 407 408 // Temporary for building the final shared libraries for an .apk. 409 String[] mTmpSharedLibraries = null; 410 411 // These are the features this devices supports that were read from the 412 // etc/permissions.xml file. 413 final HashMap<String, FeatureInfo> mAvailableFeatures = 414 new HashMap<String, FeatureInfo>(); 415 416 // If mac_permissions.xml was found for seinfo labeling. 417 boolean mFoundPolicyFile; 418 419 // If a recursive restorecon of /data/data/<pkg> is needed. 420 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 421 422 // All available activities, for your resolving pleasure. 423 final ActivityIntentResolver mActivities = 424 new ActivityIntentResolver(); 425 426 // All available receivers, for your resolving pleasure. 427 final ActivityIntentResolver mReceivers = 428 new ActivityIntentResolver(); 429 430 // All available services, for your resolving pleasure. 431 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 432 433 // All available providers, for your resolving pleasure. 434 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 435 436 // Mapping from provider base names (first directory in content URI codePath) 437 // to the provider information. 438 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 439 new HashMap<String, PackageParser.Provider>(); 440 441 // Mapping from instrumentation class names to info about them. 442 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 443 new HashMap<ComponentName, PackageParser.Instrumentation>(); 444 445 // Mapping from permission names to info about them. 446 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 447 new HashMap<String, PackageParser.PermissionGroup>(); 448 449 // Packages whose data we have transfered into another package, thus 450 // should no longer exist. 451 final HashSet<String> mTransferedPackages = new HashSet<String>(); 452 453 // Broadcast actions that are only available to the system. 454 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 455 456 /** List of packages waiting for verification. */ 457 final SparseArray<PackageVerificationState> mPendingVerification 458 = new SparseArray<PackageVerificationState>(); 459 460 HashSet<PackageParser.Package> mDeferredDexOpt = null; 461 462 /** Token for keys in mPendingVerification. */ 463 private int mPendingVerificationToken = 0; 464 465 boolean mSystemReady; 466 boolean mSafeMode; 467 boolean mHasSystemUidErrors; 468 469 ApplicationInfo mAndroidApplication; 470 final ActivityInfo mResolveActivity = new ActivityInfo(); 471 final ResolveInfo mResolveInfo = new ResolveInfo(); 472 ComponentName mResolveComponentName; 473 PackageParser.Package mPlatformPackage; 474 ComponentName mCustomResolverComponentName; 475 476 boolean mResolverReplaced = false; 477 478 // Set of pending broadcasts for aggregating enable/disable of components. 479 static class PendingPackageBroadcasts { 480 // for each user id, a map of <package name -> components within that package> 481 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 482 483 public PendingPackageBroadcasts() { 484 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 485 } 486 487 public ArrayList<String> get(int userId, String packageName) { 488 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 489 return packages.get(packageName); 490 } 491 492 public void put(int userId, String packageName, ArrayList<String> components) { 493 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 494 packages.put(packageName, components); 495 } 496 497 public void remove(int userId, String packageName) { 498 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 499 if (packages != null) { 500 packages.remove(packageName); 501 } 502 } 503 504 public void remove(int userId) { 505 mUidMap.remove(userId); 506 } 507 508 public int userIdCount() { 509 return mUidMap.size(); 510 } 511 512 public int userIdAt(int n) { 513 return mUidMap.keyAt(n); 514 } 515 516 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 517 return mUidMap.get(userId); 518 } 519 520 public int size() { 521 // total number of pending broadcast entries across all userIds 522 int num = 0; 523 for (int i = 0; i< mUidMap.size(); i++) { 524 num += mUidMap.valueAt(i).size(); 525 } 526 return num; 527 } 528 529 public void clear() { 530 mUidMap.clear(); 531 } 532 533 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 534 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 535 if (map == null) { 536 map = new HashMap<String, ArrayList<String>>(); 537 mUidMap.put(userId, map); 538 } 539 return map; 540 } 541 } 542 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 543 544 // Service Connection to remote media container service to copy 545 // package uri's from external media onto secure containers 546 // or internal storage. 547 private IMediaContainerService mContainerService = null; 548 549 static final int SEND_PENDING_BROADCAST = 1; 550 static final int MCS_BOUND = 3; 551 static final int END_COPY = 4; 552 static final int INIT_COPY = 5; 553 static final int MCS_UNBIND = 6; 554 static final int START_CLEANING_PACKAGE = 7; 555 static final int FIND_INSTALL_LOC = 8; 556 static final int POST_INSTALL = 9; 557 static final int MCS_RECONNECT = 10; 558 static final int MCS_GIVE_UP = 11; 559 static final int UPDATED_MEDIA_STATUS = 12; 560 static final int WRITE_SETTINGS = 13; 561 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 562 static final int PACKAGE_VERIFIED = 15; 563 static final int CHECK_PENDING_VERIFICATION = 16; 564 565 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 566 567 // Delay time in millisecs 568 static final int BROADCAST_DELAY = 10 * 1000; 569 570 static UserManagerService sUserManager; 571 572 // Stores a list of users whose package restrictions file needs to be updated 573 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 574 575 final private DefaultContainerConnection mDefContainerConn = 576 new DefaultContainerConnection(); 577 class DefaultContainerConnection implements ServiceConnection { 578 public void onServiceConnected(ComponentName name, IBinder service) { 579 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 580 IMediaContainerService imcs = 581 IMediaContainerService.Stub.asInterface(service); 582 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 583 } 584 585 public void onServiceDisconnected(ComponentName name) { 586 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 587 } 588 }; 589 590 // Recordkeeping of restore-after-install operations that are currently in flight 591 // between the Package Manager and the Backup Manager 592 class PostInstallData { 593 public InstallArgs args; 594 public PackageInstalledInfo res; 595 596 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 597 args = _a; 598 res = _r; 599 } 600 }; 601 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 602 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 603 604 private final String mRequiredVerifierPackage; 605 606 private final PackageUsage mPackageUsage = new PackageUsage(); 607 608 private class PackageUsage { 609 private static final int WRITE_INTERVAL 610 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 611 612 private final Object mFileLock = new Object(); 613 private final AtomicLong mLastWritten = new AtomicLong(0); 614 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 615 616 void write(boolean force) { 617 if (force) { 618 write(); 619 return; 620 } 621 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 622 && !DEBUG_DEXOPT) { 623 return; 624 } 625 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 626 new Thread("PackageUsage_DiskWriter") { 627 public void run() { 628 try { 629 write(true); 630 } finally { 631 mBackgroundWriteRunning.set(false); 632 } 633 } 634 }.start(); 635 } 636 } 637 638 private void write() { 639 synchronized (mPackages) { 640 synchronized (mFileLock) { 641 AtomicFile file = getFile(); 642 FileOutputStream f = null; 643 try { 644 f = file.startWrite(); 645 BufferedOutputStream out = new BufferedOutputStream(f); 646 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 647 StringBuilder sb = new StringBuilder(); 648 for (PackageParser.Package pkg : mPackages.values()) { 649 if (pkg.mLastPackageUsageTimeInMills == 0) { 650 continue; 651 } 652 sb.setLength(0); 653 sb.append(pkg.packageName); 654 sb.append(' '); 655 sb.append((long)pkg.mLastPackageUsageTimeInMills); 656 sb.append('\n'); 657 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 658 } 659 out.flush(); 660 file.finishWrite(f); 661 } catch (IOException e) { 662 if (f != null) { 663 file.failWrite(f); 664 } 665 Log.e(TAG, "Failed to write package usage times", e); 666 } 667 } 668 } 669 mLastWritten.set(SystemClock.elapsedRealtime()); 670 } 671 672 void readLP() { 673 synchronized (mFileLock) { 674 AtomicFile file = getFile(); 675 BufferedInputStream in = null; 676 try { 677 in = new BufferedInputStream(file.openRead()); 678 StringBuffer sb = new StringBuffer(); 679 while (true) { 680 String packageName = readToken(in, sb, ' '); 681 if (packageName == null) { 682 break; 683 } 684 String timeInMillisString = readToken(in, sb, '\n'); 685 if (timeInMillisString == null) { 686 throw new IOException("Failed to find last usage time for package " 687 + packageName); 688 } 689 PackageParser.Package pkg = mPackages.get(packageName); 690 if (pkg == null) { 691 continue; 692 } 693 long timeInMillis; 694 try { 695 timeInMillis = Long.parseLong(timeInMillisString.toString()); 696 } catch (NumberFormatException e) { 697 throw new IOException("Failed to parse " + timeInMillisString 698 + " as a long.", e); 699 } 700 pkg.mLastPackageUsageTimeInMills = timeInMillis; 701 } 702 } catch (FileNotFoundException expected) { 703 } catch (IOException e) { 704 Log.w(TAG, "Failed to read package usage times", e); 705 } finally { 706 IoUtils.closeQuietly(in); 707 } 708 } 709 mLastWritten.set(SystemClock.elapsedRealtime()); 710 } 711 712 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 713 throws IOException { 714 sb.setLength(0); 715 while (true) { 716 int ch = in.read(); 717 if (ch == -1) { 718 if (sb.length() == 0) { 719 return null; 720 } 721 throw new IOException("Unexpected EOF"); 722 } 723 if (ch == endOfToken) { 724 return sb.toString(); 725 } 726 sb.append((char)ch); 727 } 728 } 729 730 private AtomicFile getFile() { 731 File dataDir = Environment.getDataDirectory(); 732 File systemDir = new File(dataDir, "system"); 733 File fname = new File(systemDir, "package-usage.list"); 734 return new AtomicFile(fname); 735 } 736 } 737 738 class PackageHandler extends Handler { 739 private boolean mBound = false; 740 final ArrayList<HandlerParams> mPendingInstalls = 741 new ArrayList<HandlerParams>(); 742 743 private boolean connectToService() { 744 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 745 " DefaultContainerService"); 746 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 747 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 748 if (mContext.bindServiceAsUser(service, mDefContainerConn, 749 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 750 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 751 mBound = true; 752 return true; 753 } 754 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 755 return false; 756 } 757 758 private void disconnectService() { 759 mContainerService = null; 760 mBound = false; 761 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 762 mContext.unbindService(mDefContainerConn); 763 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 764 } 765 766 PackageHandler(Looper looper) { 767 super(looper); 768 } 769 770 public void handleMessage(Message msg) { 771 try { 772 doHandleMessage(msg); 773 } finally { 774 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 775 } 776 } 777 778 void doHandleMessage(Message msg) { 779 switch (msg.what) { 780 case INIT_COPY: { 781 HandlerParams params = (HandlerParams) msg.obj; 782 int idx = mPendingInstalls.size(); 783 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 784 // If a bind was already initiated we dont really 785 // need to do anything. The pending install 786 // will be processed later on. 787 if (!mBound) { 788 // If this is the only one pending we might 789 // have to bind to the service again. 790 if (!connectToService()) { 791 Slog.e(TAG, "Failed to bind to media container service"); 792 params.serviceError(); 793 return; 794 } else { 795 // Once we bind to the service, the first 796 // pending request will be processed. 797 mPendingInstalls.add(idx, params); 798 } 799 } else { 800 mPendingInstalls.add(idx, params); 801 // Already bound to the service. Just make 802 // sure we trigger off processing the first request. 803 if (idx == 0) { 804 mHandler.sendEmptyMessage(MCS_BOUND); 805 } 806 } 807 break; 808 } 809 case MCS_BOUND: { 810 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 811 if (msg.obj != null) { 812 mContainerService = (IMediaContainerService) msg.obj; 813 } 814 if (mContainerService == null) { 815 // Something seriously wrong. Bail out 816 Slog.e(TAG, "Cannot bind to media container service"); 817 for (HandlerParams params : mPendingInstalls) { 818 // Indicate service bind error 819 params.serviceError(); 820 } 821 mPendingInstalls.clear(); 822 } else if (mPendingInstalls.size() > 0) { 823 HandlerParams params = mPendingInstalls.get(0); 824 if (params != null) { 825 if (params.startCopy()) { 826 // We are done... look for more work or to 827 // go idle. 828 if (DEBUG_SD_INSTALL) Log.i(TAG, 829 "Checking for more work or unbind..."); 830 // Delete pending install 831 if (mPendingInstalls.size() > 0) { 832 mPendingInstalls.remove(0); 833 } 834 if (mPendingInstalls.size() == 0) { 835 if (mBound) { 836 if (DEBUG_SD_INSTALL) Log.i(TAG, 837 "Posting delayed MCS_UNBIND"); 838 removeMessages(MCS_UNBIND); 839 Message ubmsg = obtainMessage(MCS_UNBIND); 840 // Unbind after a little delay, to avoid 841 // continual thrashing. 842 sendMessageDelayed(ubmsg, 10000); 843 } 844 } else { 845 // There are more pending requests in queue. 846 // Just post MCS_BOUND message to trigger processing 847 // of next pending install. 848 if (DEBUG_SD_INSTALL) Log.i(TAG, 849 "Posting MCS_BOUND for next work"); 850 mHandler.sendEmptyMessage(MCS_BOUND); 851 } 852 } 853 } 854 } else { 855 // Should never happen ideally. 856 Slog.w(TAG, "Empty queue"); 857 } 858 break; 859 } 860 case MCS_RECONNECT: { 861 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 862 if (mPendingInstalls.size() > 0) { 863 if (mBound) { 864 disconnectService(); 865 } 866 if (!connectToService()) { 867 Slog.e(TAG, "Failed to bind to media container service"); 868 for (HandlerParams params : mPendingInstalls) { 869 // Indicate service bind error 870 params.serviceError(); 871 } 872 mPendingInstalls.clear(); 873 } 874 } 875 break; 876 } 877 case MCS_UNBIND: { 878 // If there is no actual work left, then time to unbind. 879 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 880 881 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 882 if (mBound) { 883 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 884 885 disconnectService(); 886 } 887 } else if (mPendingInstalls.size() > 0) { 888 // There are more pending requests in queue. 889 // Just post MCS_BOUND message to trigger processing 890 // of next pending install. 891 mHandler.sendEmptyMessage(MCS_BOUND); 892 } 893 894 break; 895 } 896 case MCS_GIVE_UP: { 897 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 898 mPendingInstalls.remove(0); 899 break; 900 } 901 case SEND_PENDING_BROADCAST: { 902 String packages[]; 903 ArrayList<String> components[]; 904 int size = 0; 905 int uids[]; 906 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 907 synchronized (mPackages) { 908 if (mPendingBroadcasts == null) { 909 return; 910 } 911 size = mPendingBroadcasts.size(); 912 if (size <= 0) { 913 // Nothing to be done. Just return 914 return; 915 } 916 packages = new String[size]; 917 components = new ArrayList[size]; 918 uids = new int[size]; 919 int i = 0; // filling out the above arrays 920 921 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 922 int packageUserId = mPendingBroadcasts.userIdAt(n); 923 Iterator<Map.Entry<String, ArrayList<String>>> it 924 = mPendingBroadcasts.packagesForUserId(packageUserId) 925 .entrySet().iterator(); 926 while (it.hasNext() && i < size) { 927 Map.Entry<String, ArrayList<String>> ent = it.next(); 928 packages[i] = ent.getKey(); 929 components[i] = ent.getValue(); 930 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 931 uids[i] = (ps != null) 932 ? UserHandle.getUid(packageUserId, ps.appId) 933 : -1; 934 i++; 935 } 936 } 937 size = i; 938 mPendingBroadcasts.clear(); 939 } 940 // Send broadcasts 941 for (int i = 0; i < size; i++) { 942 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 943 } 944 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 945 break; 946 } 947 case START_CLEANING_PACKAGE: { 948 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 949 final String packageName = (String)msg.obj; 950 final int userId = msg.arg1; 951 final boolean andCode = msg.arg2 != 0; 952 synchronized (mPackages) { 953 if (userId == UserHandle.USER_ALL) { 954 int[] users = sUserManager.getUserIds(); 955 for (int user : users) { 956 mSettings.addPackageToCleanLPw( 957 new PackageCleanItem(user, packageName, andCode)); 958 } 959 } else { 960 mSettings.addPackageToCleanLPw( 961 new PackageCleanItem(userId, packageName, andCode)); 962 } 963 } 964 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 965 startCleaningPackages(); 966 } break; 967 case POST_INSTALL: { 968 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 969 PostInstallData data = mRunningInstalls.get(msg.arg1); 970 mRunningInstalls.delete(msg.arg1); 971 boolean deleteOld = false; 972 973 if (data != null) { 974 InstallArgs args = data.args; 975 PackageInstalledInfo res = data.res; 976 977 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 978 res.removedInfo.sendBroadcast(false, true, false); 979 Bundle extras = new Bundle(1); 980 extras.putInt(Intent.EXTRA_UID, res.uid); 981 // Determine the set of users who are adding this 982 // package for the first time vs. those who are seeing 983 // an update. 984 int[] firstUsers; 985 int[] updateUsers = new int[0]; 986 if (res.origUsers == null || res.origUsers.length == 0) { 987 firstUsers = res.newUsers; 988 } else { 989 firstUsers = new int[0]; 990 for (int i=0; i<res.newUsers.length; i++) { 991 int user = res.newUsers[i]; 992 boolean isNew = true; 993 for (int j=0; j<res.origUsers.length; j++) { 994 if (res.origUsers[j] == user) { 995 isNew = false; 996 break; 997 } 998 } 999 if (isNew) { 1000 int[] newFirst = new int[firstUsers.length+1]; 1001 System.arraycopy(firstUsers, 0, newFirst, 0, 1002 firstUsers.length); 1003 newFirst[firstUsers.length] = user; 1004 firstUsers = newFirst; 1005 } else { 1006 int[] newUpdate = new int[updateUsers.length+1]; 1007 System.arraycopy(updateUsers, 0, newUpdate, 0, 1008 updateUsers.length); 1009 newUpdate[updateUsers.length] = user; 1010 updateUsers = newUpdate; 1011 } 1012 } 1013 } 1014 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1015 res.pkg.applicationInfo.packageName, 1016 extras, null, null, firstUsers); 1017 final boolean update = res.removedInfo.removedPackage != null; 1018 if (update) { 1019 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1020 } 1021 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1022 res.pkg.applicationInfo.packageName, 1023 extras, null, null, updateUsers); 1024 if (update) { 1025 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1026 res.pkg.applicationInfo.packageName, 1027 extras, null, null, updateUsers); 1028 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1029 null, null, 1030 res.pkg.applicationInfo.packageName, null, updateUsers); 1031 1032 // treat asec-hosted packages like removable media on upgrade 1033 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1034 if (DEBUG_INSTALL) { 1035 Slog.i(TAG, "upgrading pkg " + res.pkg 1036 + " is ASEC-hosted -> AVAILABLE"); 1037 } 1038 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1039 ArrayList<String> pkgList = new ArrayList<String>(1); 1040 pkgList.add(res.pkg.applicationInfo.packageName); 1041 sendResourcesChangedBroadcast(true, true, 1042 pkgList,uidArray, null); 1043 } 1044 } 1045 if (res.removedInfo.args != null) { 1046 // Remove the replaced package's older resources safely now 1047 deleteOld = true; 1048 } 1049 1050 // Log current value of "unknown sources" setting 1051 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1052 getUnknownSourcesSettings()); 1053 } 1054 // Force a gc to clear up things 1055 Runtime.getRuntime().gc(); 1056 // We delete after a gc for applications on sdcard. 1057 if (deleteOld) { 1058 synchronized (mInstallLock) { 1059 res.removedInfo.args.doPostDeleteLI(true); 1060 } 1061 } 1062 if (args.observer != null) { 1063 try { 1064 args.observer.packageInstalled(res.name, res.returnCode); 1065 } catch (RemoteException e) { 1066 Slog.i(TAG, "Observer no longer exists."); 1067 } 1068 } 1069 if (args.observer2 != null) { 1070 try { 1071 Bundle extras = extrasForInstallResult(res); 1072 args.observer2.packageInstalled(res.name, extras, res.returnCode); 1073 } catch (RemoteException e) { 1074 Slog.i(TAG, "Observer no longer exists."); 1075 } 1076 } 1077 } else { 1078 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1079 } 1080 } break; 1081 case UPDATED_MEDIA_STATUS: { 1082 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1083 boolean reportStatus = msg.arg1 == 1; 1084 boolean doGc = msg.arg2 == 1; 1085 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1086 if (doGc) { 1087 // Force a gc to clear up stale containers. 1088 Runtime.getRuntime().gc(); 1089 } 1090 if (msg.obj != null) { 1091 @SuppressWarnings("unchecked") 1092 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1093 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1094 // Unload containers 1095 unloadAllContainers(args); 1096 } 1097 if (reportStatus) { 1098 try { 1099 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1100 PackageHelper.getMountService().finishMediaUpdate(); 1101 } catch (RemoteException e) { 1102 Log.e(TAG, "MountService not running?"); 1103 } 1104 } 1105 } break; 1106 case WRITE_SETTINGS: { 1107 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1108 synchronized (mPackages) { 1109 removeMessages(WRITE_SETTINGS); 1110 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1111 mSettings.writeLPr(); 1112 mDirtyUsers.clear(); 1113 } 1114 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1115 } break; 1116 case WRITE_PACKAGE_RESTRICTIONS: { 1117 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1118 synchronized (mPackages) { 1119 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1120 for (int userId : mDirtyUsers) { 1121 mSettings.writePackageRestrictionsLPr(userId); 1122 } 1123 mDirtyUsers.clear(); 1124 } 1125 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1126 } break; 1127 case CHECK_PENDING_VERIFICATION: { 1128 final int verificationId = msg.arg1; 1129 final PackageVerificationState state = mPendingVerification.get(verificationId); 1130 1131 if ((state != null) && !state.timeoutExtended()) { 1132 final InstallArgs args = state.getInstallArgs(); 1133 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 1134 mPendingVerification.remove(verificationId); 1135 1136 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1137 1138 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1139 Slog.i(TAG, "Continuing with installation of " 1140 + args.packageURI.toString()); 1141 state.setVerifierResponse(Binder.getCallingUid(), 1142 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1143 broadcastPackageVerified(verificationId, args.packageURI, 1144 PackageManager.VERIFICATION_ALLOW, 1145 state.getInstallArgs().getUser()); 1146 try { 1147 ret = args.copyApk(mContainerService, true); 1148 } catch (RemoteException e) { 1149 Slog.e(TAG, "Could not contact the ContainerService"); 1150 } 1151 } else { 1152 broadcastPackageVerified(verificationId, args.packageURI, 1153 PackageManager.VERIFICATION_REJECT, 1154 state.getInstallArgs().getUser()); 1155 } 1156 1157 processPendingInstall(args, ret); 1158 mHandler.sendEmptyMessage(MCS_UNBIND); 1159 } 1160 break; 1161 } 1162 case PACKAGE_VERIFIED: { 1163 final int verificationId = msg.arg1; 1164 1165 final PackageVerificationState state = mPendingVerification.get(verificationId); 1166 if (state == null) { 1167 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1168 break; 1169 } 1170 1171 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1172 1173 state.setVerifierResponse(response.callerUid, response.code); 1174 1175 if (state.isVerificationComplete()) { 1176 mPendingVerification.remove(verificationId); 1177 1178 final InstallArgs args = state.getInstallArgs(); 1179 1180 int ret; 1181 if (state.isInstallAllowed()) { 1182 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1183 broadcastPackageVerified(verificationId, args.packageURI, 1184 response.code, state.getInstallArgs().getUser()); 1185 try { 1186 ret = args.copyApk(mContainerService, true); 1187 } catch (RemoteException e) { 1188 Slog.e(TAG, "Could not contact the ContainerService"); 1189 } 1190 } else { 1191 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1192 } 1193 1194 processPendingInstall(args, ret); 1195 1196 mHandler.sendEmptyMessage(MCS_UNBIND); 1197 } 1198 1199 break; 1200 } 1201 } 1202 } 1203 } 1204 1205 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1206 Bundle extras = null; 1207 switch (res.returnCode) { 1208 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1209 extras = new Bundle(); 1210 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1211 res.origPermission); 1212 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1213 res.origPackage); 1214 break; 1215 } 1216 } 1217 return extras; 1218 } 1219 1220 void scheduleWriteSettingsLocked() { 1221 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1222 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1223 } 1224 } 1225 1226 void scheduleWritePackageRestrictionsLocked(int userId) { 1227 if (!sUserManager.exists(userId)) return; 1228 mDirtyUsers.add(userId); 1229 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1230 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1231 } 1232 } 1233 1234 public static final IPackageManager main(Context context, Installer installer, 1235 boolean factoryTest, boolean onlyCore) { 1236 PackageManagerService m = new PackageManagerService(context, installer, 1237 factoryTest, onlyCore); 1238 ServiceManager.addService("package", m); 1239 return m; 1240 } 1241 1242 static String[] splitString(String str, char sep) { 1243 int count = 1; 1244 int i = 0; 1245 while ((i=str.indexOf(sep, i)) >= 0) { 1246 count++; 1247 i++; 1248 } 1249 1250 String[] res = new String[count]; 1251 i=0; 1252 count = 0; 1253 int lastI=0; 1254 while ((i=str.indexOf(sep, i)) >= 0) { 1255 res[count] = str.substring(lastI, i); 1256 count++; 1257 i++; 1258 lastI = i; 1259 } 1260 res[count] = str.substring(lastI, str.length()); 1261 return res; 1262 } 1263 1264 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1265 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1266 Context.DISPLAY_SERVICE); 1267 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1268 } 1269 1270 public PackageManagerService(Context context, Installer installer, 1271 boolean factoryTest, boolean onlyCore) { 1272 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1273 SystemClock.uptimeMillis()); 1274 1275 if (mSdkVersion <= 0) { 1276 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1277 } 1278 1279 mContext = context; 1280 mFactoryTest = factoryTest; 1281 mOnlyCore = onlyCore; 1282 mMetrics = new DisplayMetrics(); 1283 mSettings = new Settings(context); 1284 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1285 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1286 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1287 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1288 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1289 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1290 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1291 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1292 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1293 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1294 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1295 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1296 1297 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1298 if (separateProcesses != null && separateProcesses.length() > 0) { 1299 if ("*".equals(separateProcesses)) { 1300 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1301 mSeparateProcesses = null; 1302 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1303 } else { 1304 mDefParseFlags = 0; 1305 mSeparateProcesses = separateProcesses.split(","); 1306 Slog.w(TAG, "Running with debug.separate_processes: " 1307 + separateProcesses); 1308 } 1309 } else { 1310 mDefParseFlags = 0; 1311 mSeparateProcesses = null; 1312 } 1313 1314 mInstaller = installer; 1315 1316 getDefaultDisplayMetrics(context, mMetrics); 1317 1318 synchronized (mInstallLock) { 1319 // writer 1320 synchronized (mPackages) { 1321 mHandlerThread = new ServiceThread(TAG, 1322 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1323 mHandlerThread.start(); 1324 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1325 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1326 1327 File dataDir = Environment.getDataDirectory(); 1328 mAppDataDir = new File(dataDir, "data"); 1329 mAppInstallDir = new File(dataDir, "app"); 1330 mAppLibInstallDir = new File(dataDir, "app-lib"); 1331 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1332 mUserAppDataDir = new File(dataDir, "user"); 1333 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1334 1335 sUserManager = new UserManagerService(context, this, 1336 mInstallLock, mPackages); 1337 1338 // Read permissions and features from system 1339 readPermissions(Environment.buildPath( 1340 Environment.getRootDirectory(), "etc", "permissions"), false); 1341 // Only read features from OEM 1342 readPermissions(Environment.buildPath( 1343 Environment.getOemDirectory(), "etc", "permissions"), true); 1344 1345 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1346 1347 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1348 mSdkVersion, mOnlyCore); 1349 1350 String customResolverActivity = Resources.getSystem().getString( 1351 R.string.config_customResolverActivity); 1352 if (TextUtils.isEmpty(customResolverActivity)) { 1353 customResolverActivity = null; 1354 } else { 1355 mCustomResolverComponentName = ComponentName.unflattenFromString( 1356 customResolverActivity); 1357 } 1358 1359 long startTime = SystemClock.uptimeMillis(); 1360 1361 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1362 startTime); 1363 1364 // Set flag to monitor and not change apk file paths when 1365 // scanning install directories. 1366 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1367 1368 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1369 1370 /** 1371 * Add everything in the in the boot class path to the 1372 * list of process files because dexopt will have been run 1373 * if necessary during zygote startup. 1374 */ 1375 String bootClassPath = System.getProperty("java.boot.class.path"); 1376 if (bootClassPath != null) { 1377 String[] paths = splitString(bootClassPath, ':'); 1378 for (int i=0; i<paths.length; i++) { 1379 alreadyDexOpted.add(paths[i]); 1380 } 1381 } else { 1382 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1383 } 1384 1385 boolean didDexOptLibraryOrTool = false; 1386 1387 final List<String> instructionSets = getAllInstructionSets(); 1388 1389 /** 1390 * Ensure all external libraries have had dexopt run on them. 1391 */ 1392 if (mSharedLibraries.size() > 0) { 1393 // NOTE: For now, we're compiling these system "shared libraries" 1394 // (and framework jars) into all available architectures. It's possible 1395 // to compile them only when we come across an app that uses them (there's 1396 // already logic for that in scanPackageLI) but that adds some complexity. 1397 for (String instructionSet : instructionSets) { 1398 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1399 final String lib = libEntry.path; 1400 if (lib == null) { 1401 continue; 1402 } 1403 1404 try { 1405 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1406 alreadyDexOpted.add(lib); 1407 1408 // The list of "shared libraries" we have at this point is 1409 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1410 didDexOptLibraryOrTool = true; 1411 } 1412 } catch (FileNotFoundException e) { 1413 Slog.w(TAG, "Library not found: " + lib); 1414 } catch (IOException e) { 1415 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1416 + e.getMessage()); 1417 } 1418 } 1419 } 1420 } 1421 1422 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1423 1424 // Gross hack for now: we know this file doesn't contain any 1425 // code, so don't dexopt it to avoid the resulting log spew. 1426 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1427 1428 // Gross hack for now: we know this file is only part of 1429 // the boot class path for art, so don't dexopt it to 1430 // avoid the resulting log spew. 1431 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1432 1433 /** 1434 * And there are a number of commands implemented in Java, which 1435 * we currently need to do the dexopt on so that they can be 1436 * run from a non-root shell. 1437 */ 1438 String[] frameworkFiles = frameworkDir.list(); 1439 if (frameworkFiles != null) { 1440 // TODO: We could compile these only for the most preferred ABI. We should 1441 // first double check that the dex files for these commands are not referenced 1442 // by other system apps. 1443 for (String instructionSet : instructionSets) { 1444 for (int i=0; i<frameworkFiles.length; i++) { 1445 File libPath = new File(frameworkDir, frameworkFiles[i]); 1446 String path = libPath.getPath(); 1447 // Skip the file if we already did it. 1448 if (alreadyDexOpted.contains(path)) { 1449 continue; 1450 } 1451 // Skip the file if it is not a type we want to dexopt. 1452 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1453 continue; 1454 } 1455 try { 1456 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1457 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1458 didDexOptLibraryOrTool = true; 1459 } 1460 } catch (FileNotFoundException e) { 1461 Slog.w(TAG, "Jar not found: " + path); 1462 } catch (IOException e) { 1463 Slog.w(TAG, "Exception reading jar: " + path, e); 1464 } 1465 } 1466 } 1467 } 1468 1469 if (didDexOptLibraryOrTool) { 1470 pruneDexFiles(new File(dataDir, "dalvik-cache")); 1471 } 1472 1473 // Collect vendor overlay packages. 1474 // (Do this before scanning any apps.) 1475 // For security and version matching reason, only consider 1476 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1477 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1478 mVendorOverlayInstallObserver = new AppDirObserver( 1479 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1480 mVendorOverlayInstallObserver.startWatching(); 1481 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1482 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1483 1484 // Find base frameworks (resource packages without code). 1485 mFrameworkInstallObserver = new AppDirObserver( 1486 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1487 mFrameworkInstallObserver.startWatching(); 1488 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1489 | PackageParser.PARSE_IS_SYSTEM_DIR 1490 | PackageParser.PARSE_IS_PRIVILEGED, 1491 scanMode | SCAN_NO_DEX, 0); 1492 1493 // Collected privileged system packages. 1494 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1495 mPrivilegedInstallObserver = new AppDirObserver( 1496 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1497 mPrivilegedInstallObserver.startWatching(); 1498 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1499 | PackageParser.PARSE_IS_SYSTEM_DIR 1500 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1501 1502 // Collect ordinary system packages. 1503 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1504 mSystemInstallObserver = new AppDirObserver( 1505 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1506 mSystemInstallObserver.startWatching(); 1507 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1508 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1509 1510 // Collect all vendor packages. 1511 File vendorAppDir = new File("/vendor/app"); 1512 try { 1513 vendorAppDir = vendorAppDir.getCanonicalFile(); 1514 } catch (IOException e) { 1515 // failed to look up canonical path, continue with original one 1516 } 1517 mVendorInstallObserver = new AppDirObserver( 1518 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1519 mVendorInstallObserver.startWatching(); 1520 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1521 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1522 1523 // Collect all OEM packages. 1524 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1525 mOemInstallObserver = new AppDirObserver( 1526 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1527 mOemInstallObserver.startWatching(); 1528 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1529 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1530 1531 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1532 mInstaller.moveFiles(); 1533 1534 // Prune any system packages that no longer exist. 1535 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1536 if (!mOnlyCore) { 1537 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1538 while (psit.hasNext()) { 1539 PackageSetting ps = psit.next(); 1540 1541 /* 1542 * If this is not a system app, it can't be a 1543 * disable system app. 1544 */ 1545 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1546 continue; 1547 } 1548 1549 /* 1550 * If the package is scanned, it's not erased. 1551 */ 1552 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1553 if (scannedPkg != null) { 1554 /* 1555 * If the system app is both scanned and in the 1556 * disabled packages list, then it must have been 1557 * added via OTA. Remove it from the currently 1558 * scanned package so the previously user-installed 1559 * application can be scanned. 1560 */ 1561 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1562 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1563 + "; removing system app"); 1564 removePackageLI(ps, true); 1565 } 1566 1567 continue; 1568 } 1569 1570 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1571 psit.remove(); 1572 String msg = "System package " + ps.name 1573 + " no longer exists; wiping its data"; 1574 reportSettingsProblem(Log.WARN, msg); 1575 removeDataDirsLI(ps.name); 1576 } else { 1577 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1578 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1579 possiblyDeletedUpdatedSystemApps.add(ps.name); 1580 } 1581 } 1582 } 1583 } 1584 1585 //look for any incomplete package installations 1586 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1587 //clean up list 1588 for(int i = 0; i < deletePkgsList.size(); i++) { 1589 //clean up here 1590 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1591 } 1592 //delete tmp files 1593 deleteTempPackageFiles(); 1594 1595 // Remove any shared userIDs that have no associated packages 1596 mSettings.pruneSharedUsersLPw(); 1597 1598 if (!mOnlyCore) { 1599 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1600 SystemClock.uptimeMillis()); 1601 mAppInstallObserver = new AppDirObserver( 1602 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1603 mAppInstallObserver.startWatching(); 1604 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1605 1606 mDrmAppInstallObserver = new AppDirObserver( 1607 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1608 mDrmAppInstallObserver.startWatching(); 1609 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1610 scanMode, 0); 1611 1612 /** 1613 * Remove disable package settings for any updated system 1614 * apps that were removed via an OTA. If they're not a 1615 * previously-updated app, remove them completely. 1616 * Otherwise, just revoke their system-level permissions. 1617 */ 1618 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1619 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1620 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1621 1622 String msg; 1623 if (deletedPkg == null) { 1624 msg = "Updated system package " + deletedAppName 1625 + " no longer exists; wiping its data"; 1626 removeDataDirsLI(deletedAppName); 1627 } else { 1628 msg = "Updated system app + " + deletedAppName 1629 + " no longer present; removing system privileges for " 1630 + deletedAppName; 1631 1632 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1633 1634 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1635 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1636 } 1637 reportSettingsProblem(Log.WARN, msg); 1638 } 1639 } else { 1640 mAppInstallObserver = null; 1641 mDrmAppInstallObserver = null; 1642 } 1643 1644 // Now that we know all of the shared libraries, update all clients to have 1645 // the correct library paths. 1646 updateAllSharedLibrariesLPw(); 1647 1648 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1649 adjustCpuAbisForSharedUserLPw(setting.packages, true /* do dexopt */, 1650 false /* force dexopt */, false /* defer dexopt */); 1651 } 1652 1653 // Now that we know all the packages we are keeping, 1654 // read and update their last usage times. 1655 mPackageUsage.readLP(); 1656 1657 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1658 SystemClock.uptimeMillis()); 1659 Slog.i(TAG, "Time to scan packages: " 1660 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1661 + " seconds"); 1662 1663 // If the platform SDK has changed since the last time we booted, 1664 // we need to re-grant app permission to catch any new ones that 1665 // appear. This is really a hack, and means that apps can in some 1666 // cases get permissions that the user didn't initially explicitly 1667 // allow... it would be nice to have some better way to handle 1668 // this situation. 1669 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1670 != mSdkVersion; 1671 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1672 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1673 + "; regranting permissions for internal storage"); 1674 mSettings.mInternalSdkPlatform = mSdkVersion; 1675 1676 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1677 | (regrantPermissions 1678 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1679 : 0)); 1680 1681 // If this is the first boot, and it is a normal boot, then 1682 // we need to initialize the default preferred apps. 1683 if (!mRestoredSettings && !onlyCore) { 1684 mSettings.readDefaultPreferredAppsLPw(this, 0); 1685 } 1686 1687 // All the changes are done during package scanning. 1688 mSettings.updateInternalDatabaseVersion(); 1689 1690 // can downgrade to reader 1691 mSettings.writeLPr(); 1692 1693 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1694 SystemClock.uptimeMillis()); 1695 1696 // Now after opening every single application zip, make sure they 1697 // are all flushed. Not really needed, but keeps things nice and 1698 // tidy. 1699 Runtime.getRuntime().gc(); 1700 1701 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1702 } // synchronized (mPackages) 1703 } // synchronized (mInstallLock) 1704 } 1705 1706 private static void pruneDexFiles(File cacheDir) { 1707 // If we had to do a dexopt of one of the previous 1708 // things, then something on the system has changed. 1709 // Consider this significant, and wipe away all other 1710 // existing dexopt files to ensure we don't leave any 1711 // dangling around. 1712 // 1713 // Additionally, delete all dex files from the root directory 1714 // since there shouldn't be any there anyway. 1715 // 1716 // Note: This isn't as good an indicator as it used to be. It 1717 // used to include the boot classpath but at some point 1718 // DexFile.isDexOptNeeded started returning false for the boot 1719 // class path files in all cases. It is very possible in a 1720 // small maintenance release update that the library and tool 1721 // jars may be unchanged but APK could be removed resulting in 1722 // unused dalvik-cache files. 1723 File[] files = cacheDir.listFiles(); 1724 if (files != null) { 1725 for (File file : files) { 1726 if (!file.isDirectory()) { 1727 Slog.i(TAG, "Pruning dalvik file: " + file.getAbsolutePath()); 1728 file.delete(); 1729 } else { 1730 File[] subDirList = file.listFiles(); 1731 if (subDirList != null) { 1732 for (File subDirFile : subDirList) { 1733 final String fn = subDirFile.getName(); 1734 if (fn.startsWith("data@app@") || fn.startsWith("data@app-private@")) { 1735 Slog.i(TAG, "Pruning dalvik file: " + fn); 1736 subDirFile.delete(); 1737 } 1738 } 1739 } 1740 } 1741 } 1742 } 1743 } 1744 1745 public boolean isFirstBoot() { 1746 return !mRestoredSettings; 1747 } 1748 1749 public boolean isOnlyCoreApps() { 1750 return mOnlyCore; 1751 } 1752 1753 private String getRequiredVerifierLPr() { 1754 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1755 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1756 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1757 1758 String requiredVerifier = null; 1759 1760 final int N = receivers.size(); 1761 for (int i = 0; i < N; i++) { 1762 final ResolveInfo info = receivers.get(i); 1763 1764 if (info.activityInfo == null) { 1765 continue; 1766 } 1767 1768 final String packageName = info.activityInfo.packageName; 1769 1770 final PackageSetting ps = mSettings.mPackages.get(packageName); 1771 if (ps == null) { 1772 continue; 1773 } 1774 1775 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1776 if (!gp.grantedPermissions 1777 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1778 continue; 1779 } 1780 1781 if (requiredVerifier != null) { 1782 throw new RuntimeException("There can be only one required verifier"); 1783 } 1784 1785 requiredVerifier = packageName; 1786 } 1787 1788 return requiredVerifier; 1789 } 1790 1791 @Override 1792 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1793 throws RemoteException { 1794 try { 1795 return super.onTransact(code, data, reply, flags); 1796 } catch (RuntimeException e) { 1797 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1798 Slog.wtf(TAG, "Package Manager Crash", e); 1799 } 1800 throw e; 1801 } 1802 } 1803 1804 void cleanupInstallFailedPackage(PackageSetting ps) { 1805 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1806 removeDataDirsLI(ps.name); 1807 if (ps.codePath != null) { 1808 if (!ps.codePath.delete()) { 1809 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1810 } 1811 } 1812 if (ps.resourcePath != null) { 1813 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1814 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1815 } 1816 } 1817 mSettings.removePackageLPw(ps.name); 1818 } 1819 1820 void readPermissions(File libraryDir, boolean onlyFeatures) { 1821 // Read permissions from .../etc/permission directory. 1822 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1823 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1824 return; 1825 } 1826 if (!libraryDir.canRead()) { 1827 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1828 return; 1829 } 1830 1831 // Iterate over the files in the directory and scan .xml files 1832 for (File f : libraryDir.listFiles()) { 1833 // We'll read platform.xml last 1834 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1835 continue; 1836 } 1837 1838 if (!f.getPath().endsWith(".xml")) { 1839 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1840 continue; 1841 } 1842 if (!f.canRead()) { 1843 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1844 continue; 1845 } 1846 1847 readPermissionsFromXml(f, onlyFeatures); 1848 } 1849 1850 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1851 final File permFile = new File(Environment.getRootDirectory(), 1852 "etc/permissions/platform.xml"); 1853 readPermissionsFromXml(permFile, onlyFeatures); 1854 } 1855 1856 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1857 FileReader permReader = null; 1858 try { 1859 permReader = new FileReader(permFile); 1860 } catch (FileNotFoundException e) { 1861 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1862 return; 1863 } 1864 1865 try { 1866 XmlPullParser parser = Xml.newPullParser(); 1867 parser.setInput(permReader); 1868 1869 XmlUtils.beginDocument(parser, "permissions"); 1870 1871 while (true) { 1872 XmlUtils.nextElement(parser); 1873 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1874 break; 1875 } 1876 1877 String name = parser.getName(); 1878 if ("group".equals(name) && !onlyFeatures) { 1879 String gidStr = parser.getAttributeValue(null, "gid"); 1880 if (gidStr != null) { 1881 int gid = Process.getGidForName(gidStr); 1882 mGlobalGids = appendInt(mGlobalGids, gid); 1883 } else { 1884 Slog.w(TAG, "<group> without gid at " 1885 + parser.getPositionDescription()); 1886 } 1887 1888 XmlUtils.skipCurrentTag(parser); 1889 continue; 1890 } else if ("permission".equals(name) && !onlyFeatures) { 1891 String perm = parser.getAttributeValue(null, "name"); 1892 if (perm == null) { 1893 Slog.w(TAG, "<permission> without name at " 1894 + parser.getPositionDescription()); 1895 XmlUtils.skipCurrentTag(parser); 1896 continue; 1897 } 1898 perm = perm.intern(); 1899 readPermission(parser, perm); 1900 1901 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1902 String perm = parser.getAttributeValue(null, "name"); 1903 if (perm == null) { 1904 Slog.w(TAG, "<assign-permission> without name at " 1905 + parser.getPositionDescription()); 1906 XmlUtils.skipCurrentTag(parser); 1907 continue; 1908 } 1909 String uidStr = parser.getAttributeValue(null, "uid"); 1910 if (uidStr == null) { 1911 Slog.w(TAG, "<assign-permission> without uid at " 1912 + parser.getPositionDescription()); 1913 XmlUtils.skipCurrentTag(parser); 1914 continue; 1915 } 1916 int uid = Process.getUidForName(uidStr); 1917 if (uid < 0) { 1918 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1919 + uidStr + "\" at " 1920 + parser.getPositionDescription()); 1921 XmlUtils.skipCurrentTag(parser); 1922 continue; 1923 } 1924 perm = perm.intern(); 1925 HashSet<String> perms = mSystemPermissions.get(uid); 1926 if (perms == null) { 1927 perms = new HashSet<String>(); 1928 mSystemPermissions.put(uid, perms); 1929 } 1930 perms.add(perm); 1931 XmlUtils.skipCurrentTag(parser); 1932 1933 } else if ("library".equals(name) && !onlyFeatures) { 1934 String lname = parser.getAttributeValue(null, "name"); 1935 String lfile = parser.getAttributeValue(null, "file"); 1936 if (lname == null) { 1937 Slog.w(TAG, "<library> without name at " 1938 + parser.getPositionDescription()); 1939 } else if (lfile == null) { 1940 Slog.w(TAG, "<library> without file at " 1941 + parser.getPositionDescription()); 1942 } else { 1943 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1944 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1945 } 1946 XmlUtils.skipCurrentTag(parser); 1947 continue; 1948 1949 } else if ("feature".equals(name)) { 1950 String fname = parser.getAttributeValue(null, "name"); 1951 if (fname == null) { 1952 Slog.w(TAG, "<feature> without name at " 1953 + parser.getPositionDescription()); 1954 } else { 1955 //Log.i(TAG, "Got feature " + fname); 1956 FeatureInfo fi = new FeatureInfo(); 1957 fi.name = fname; 1958 mAvailableFeatures.put(fname, fi); 1959 } 1960 XmlUtils.skipCurrentTag(parser); 1961 continue; 1962 1963 } else { 1964 XmlUtils.skipCurrentTag(parser); 1965 continue; 1966 } 1967 1968 } 1969 permReader.close(); 1970 } catch (XmlPullParserException e) { 1971 Slog.w(TAG, "Got execption parsing permissions.", e); 1972 } catch (IOException e) { 1973 Slog.w(TAG, "Got execption parsing permissions.", e); 1974 } 1975 } 1976 1977 void readPermission(XmlPullParser parser, String name) 1978 throws IOException, XmlPullParserException { 1979 1980 name = name.intern(); 1981 1982 BasePermission bp = mSettings.mPermissions.get(name); 1983 if (bp == null) { 1984 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1985 mSettings.mPermissions.put(name, bp); 1986 } 1987 int outerDepth = parser.getDepth(); 1988 int type; 1989 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1990 && (type != XmlPullParser.END_TAG 1991 || parser.getDepth() > outerDepth)) { 1992 if (type == XmlPullParser.END_TAG 1993 || type == XmlPullParser.TEXT) { 1994 continue; 1995 } 1996 1997 String tagName = parser.getName(); 1998 if ("group".equals(tagName)) { 1999 String gidStr = parser.getAttributeValue(null, "gid"); 2000 if (gidStr != null) { 2001 int gid = Process.getGidForName(gidStr); 2002 bp.gids = appendInt(bp.gids, gid); 2003 } else { 2004 Slog.w(TAG, "<group> without gid at " 2005 + parser.getPositionDescription()); 2006 } 2007 } 2008 XmlUtils.skipCurrentTag(parser); 2009 } 2010 } 2011 2012 static int[] appendInts(int[] cur, int[] add) { 2013 if (add == null) return cur; 2014 if (cur == null) return add; 2015 final int N = add.length; 2016 for (int i=0; i<N; i++) { 2017 cur = appendInt(cur, add[i]); 2018 } 2019 return cur; 2020 } 2021 2022 static int[] removeInts(int[] cur, int[] rem) { 2023 if (rem == null) return cur; 2024 if (cur == null) return cur; 2025 final int N = rem.length; 2026 for (int i=0; i<N; i++) { 2027 cur = removeInt(cur, rem[i]); 2028 } 2029 return cur; 2030 } 2031 2032 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2033 if (!sUserManager.exists(userId)) return null; 2034 final PackageSetting ps = (PackageSetting) p.mExtras; 2035 if (ps == null) { 2036 return null; 2037 } 2038 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2039 final PackageUserState state = ps.readUserState(userId); 2040 return PackageParser.generatePackageInfo(p, gp.gids, flags, 2041 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 2042 state, userId); 2043 } 2044 2045 public boolean isPackageAvailable(String packageName, int userId) { 2046 if (!sUserManager.exists(userId)) return false; 2047 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 2048 synchronized (mPackages) { 2049 PackageParser.Package p = mPackages.get(packageName); 2050 if (p != null) { 2051 final PackageSetting ps = (PackageSetting) p.mExtras; 2052 if (ps != null) { 2053 final PackageUserState state = ps.readUserState(userId); 2054 if (state != null) { 2055 return PackageParser.isAvailable(state); 2056 } 2057 } 2058 } 2059 } 2060 return false; 2061 } 2062 2063 @Override 2064 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2065 if (!sUserManager.exists(userId)) return null; 2066 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 2067 // reader 2068 synchronized (mPackages) { 2069 PackageParser.Package p = mPackages.get(packageName); 2070 if (DEBUG_PACKAGE_INFO) 2071 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2072 if (p != null) { 2073 return generatePackageInfo(p, flags, userId); 2074 } 2075 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2076 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2077 } 2078 } 2079 return null; 2080 } 2081 2082 public String[] currentToCanonicalPackageNames(String[] names) { 2083 String[] out = new String[names.length]; 2084 // reader 2085 synchronized (mPackages) { 2086 for (int i=names.length-1; i>=0; i--) { 2087 PackageSetting ps = mSettings.mPackages.get(names[i]); 2088 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2089 } 2090 } 2091 return out; 2092 } 2093 2094 public String[] canonicalToCurrentPackageNames(String[] names) { 2095 String[] out = new String[names.length]; 2096 // reader 2097 synchronized (mPackages) { 2098 for (int i=names.length-1; i>=0; i--) { 2099 String cur = mSettings.mRenamedPackages.get(names[i]); 2100 out[i] = cur != null ? cur : names[i]; 2101 } 2102 } 2103 return out; 2104 } 2105 2106 @Override 2107 public int getPackageUid(String packageName, int userId) { 2108 if (!sUserManager.exists(userId)) return -1; 2109 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2110 // reader 2111 synchronized (mPackages) { 2112 PackageParser.Package p = mPackages.get(packageName); 2113 if(p != null) { 2114 return UserHandle.getUid(userId, p.applicationInfo.uid); 2115 } 2116 PackageSetting ps = mSettings.mPackages.get(packageName); 2117 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2118 return -1; 2119 } 2120 p = ps.pkg; 2121 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2122 } 2123 } 2124 2125 @Override 2126 public int[] getPackageGids(String packageName) { 2127 // reader 2128 synchronized (mPackages) { 2129 PackageParser.Package p = mPackages.get(packageName); 2130 if (DEBUG_PACKAGE_INFO) 2131 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2132 if (p != null) { 2133 final PackageSetting ps = (PackageSetting)p.mExtras; 2134 return ps.getGids(); 2135 } 2136 } 2137 // stupid thing to indicate an error. 2138 return new int[0]; 2139 } 2140 2141 static final PermissionInfo generatePermissionInfo( 2142 BasePermission bp, int flags) { 2143 if (bp.perm != null) { 2144 return PackageParser.generatePermissionInfo(bp.perm, flags); 2145 } 2146 PermissionInfo pi = new PermissionInfo(); 2147 pi.name = bp.name; 2148 pi.packageName = bp.sourcePackage; 2149 pi.nonLocalizedLabel = bp.name; 2150 pi.protectionLevel = bp.protectionLevel; 2151 return pi; 2152 } 2153 2154 public PermissionInfo getPermissionInfo(String name, int flags) { 2155 // reader 2156 synchronized (mPackages) { 2157 final BasePermission p = mSettings.mPermissions.get(name); 2158 if (p != null) { 2159 return generatePermissionInfo(p, flags); 2160 } 2161 return null; 2162 } 2163 } 2164 2165 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2166 // reader 2167 synchronized (mPackages) { 2168 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2169 for (BasePermission p : mSettings.mPermissions.values()) { 2170 if (group == null) { 2171 if (p.perm == null || p.perm.info.group == null) { 2172 out.add(generatePermissionInfo(p, flags)); 2173 } 2174 } else { 2175 if (p.perm != null && group.equals(p.perm.info.group)) { 2176 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2177 } 2178 } 2179 } 2180 2181 if (out.size() > 0) { 2182 return out; 2183 } 2184 return mPermissionGroups.containsKey(group) ? out : null; 2185 } 2186 } 2187 2188 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2189 // reader 2190 synchronized (mPackages) { 2191 return PackageParser.generatePermissionGroupInfo( 2192 mPermissionGroups.get(name), flags); 2193 } 2194 } 2195 2196 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2197 // reader 2198 synchronized (mPackages) { 2199 final int N = mPermissionGroups.size(); 2200 ArrayList<PermissionGroupInfo> out 2201 = new ArrayList<PermissionGroupInfo>(N); 2202 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2203 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2204 } 2205 return out; 2206 } 2207 } 2208 2209 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2210 int userId) { 2211 if (!sUserManager.exists(userId)) return null; 2212 PackageSetting ps = mSettings.mPackages.get(packageName); 2213 if (ps != null) { 2214 if (ps.pkg == null) { 2215 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2216 flags, userId); 2217 if (pInfo != null) { 2218 return pInfo.applicationInfo; 2219 } 2220 return null; 2221 } 2222 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2223 ps.readUserState(userId), userId); 2224 } 2225 return null; 2226 } 2227 2228 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2229 int userId) { 2230 if (!sUserManager.exists(userId)) return null; 2231 PackageSetting ps = mSettings.mPackages.get(packageName); 2232 if (ps != null) { 2233 PackageParser.Package pkg = ps.pkg; 2234 if (pkg == null) { 2235 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2236 return null; 2237 } 2238 pkg = new PackageParser.Package(packageName); 2239 pkg.applicationInfo.packageName = packageName; 2240 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2241 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2242 pkg.applicationInfo.sourceDir = ps.codePathString; 2243 pkg.applicationInfo.dataDir = 2244 getDataPathForPackage(packageName, 0).getPath(); 2245 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2246 pkg.applicationInfo.requiredCpuAbi = ps.requiredCpuAbiString; 2247 } 2248 return generatePackageInfo(pkg, flags, userId); 2249 } 2250 return null; 2251 } 2252 2253 @Override 2254 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2255 if (!sUserManager.exists(userId)) return null; 2256 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2257 // writer 2258 synchronized (mPackages) { 2259 PackageParser.Package p = mPackages.get(packageName); 2260 if (DEBUG_PACKAGE_INFO) Log.v( 2261 TAG, "getApplicationInfo " + packageName 2262 + ": " + p); 2263 if (p != null) { 2264 PackageSetting ps = mSettings.mPackages.get(packageName); 2265 if (ps == null) return null; 2266 // Note: isEnabledLP() does not apply here - always return info 2267 return PackageParser.generateApplicationInfo( 2268 p, flags, ps.readUserState(userId), userId); 2269 } 2270 if ("android".equals(packageName)||"system".equals(packageName)) { 2271 return mAndroidApplication; 2272 } 2273 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2274 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2275 } 2276 } 2277 return null; 2278 } 2279 2280 2281 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2282 mContext.enforceCallingOrSelfPermission( 2283 android.Manifest.permission.CLEAR_APP_CACHE, null); 2284 // Queue up an async operation since clearing cache may take a little while. 2285 mHandler.post(new Runnable() { 2286 public void run() { 2287 mHandler.removeCallbacks(this); 2288 int retCode = -1; 2289 synchronized (mInstallLock) { 2290 retCode = mInstaller.freeCache(freeStorageSize); 2291 if (retCode < 0) { 2292 Slog.w(TAG, "Couldn't clear application caches"); 2293 } 2294 } 2295 if (observer != null) { 2296 try { 2297 observer.onRemoveCompleted(null, (retCode >= 0)); 2298 } catch (RemoteException e) { 2299 Slog.w(TAG, "RemoveException when invoking call back"); 2300 } 2301 } 2302 } 2303 }); 2304 } 2305 2306 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2307 mContext.enforceCallingOrSelfPermission( 2308 android.Manifest.permission.CLEAR_APP_CACHE, null); 2309 // Queue up an async operation since clearing cache may take a little while. 2310 mHandler.post(new Runnable() { 2311 public void run() { 2312 mHandler.removeCallbacks(this); 2313 int retCode = -1; 2314 synchronized (mInstallLock) { 2315 retCode = mInstaller.freeCache(freeStorageSize); 2316 if (retCode < 0) { 2317 Slog.w(TAG, "Couldn't clear application caches"); 2318 } 2319 } 2320 if(pi != null) { 2321 try { 2322 // Callback via pending intent 2323 int code = (retCode >= 0) ? 1 : 0; 2324 pi.sendIntent(null, code, null, 2325 null, null); 2326 } catch (SendIntentException e1) { 2327 Slog.i(TAG, "Failed to send pending intent"); 2328 } 2329 } 2330 } 2331 }); 2332 } 2333 2334 @Override 2335 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2336 if (!sUserManager.exists(userId)) return null; 2337 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2338 synchronized (mPackages) { 2339 PackageParser.Activity a = mActivities.mActivities.get(component); 2340 2341 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2342 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2343 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2344 if (ps == null) return null; 2345 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2346 userId); 2347 } 2348 if (mResolveComponentName.equals(component)) { 2349 return mResolveActivity; 2350 } 2351 } 2352 return null; 2353 } 2354 2355 @Override 2356 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2357 String resolvedType) { 2358 synchronized (mPackages) { 2359 PackageParser.Activity a = mActivities.mActivities.get(component); 2360 if (a == null) { 2361 return false; 2362 } 2363 for (int i=0; i<a.intents.size(); i++) { 2364 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2365 intent.getData(), intent.getCategories(), TAG) >= 0) { 2366 return true; 2367 } 2368 } 2369 return false; 2370 } 2371 } 2372 2373 @Override 2374 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2375 if (!sUserManager.exists(userId)) return null; 2376 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2377 synchronized (mPackages) { 2378 PackageParser.Activity a = mReceivers.mActivities.get(component); 2379 if (DEBUG_PACKAGE_INFO) Log.v( 2380 TAG, "getReceiverInfo " + component + ": " + a); 2381 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2382 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2383 if (ps == null) return null; 2384 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2385 userId); 2386 } 2387 } 2388 return null; 2389 } 2390 2391 @Override 2392 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2393 if (!sUserManager.exists(userId)) return null; 2394 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2395 synchronized (mPackages) { 2396 PackageParser.Service s = mServices.mServices.get(component); 2397 if (DEBUG_PACKAGE_INFO) Log.v( 2398 TAG, "getServiceInfo " + component + ": " + s); 2399 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2400 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2401 if (ps == null) return null; 2402 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2403 userId); 2404 } 2405 } 2406 return null; 2407 } 2408 2409 @Override 2410 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2411 if (!sUserManager.exists(userId)) return null; 2412 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2413 synchronized (mPackages) { 2414 PackageParser.Provider p = mProviders.mProviders.get(component); 2415 if (DEBUG_PACKAGE_INFO) Log.v( 2416 TAG, "getProviderInfo " + component + ": " + p); 2417 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2418 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2419 if (ps == null) return null; 2420 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2421 userId); 2422 } 2423 } 2424 return null; 2425 } 2426 2427 public String[] getSystemSharedLibraryNames() { 2428 Set<String> libSet; 2429 synchronized (mPackages) { 2430 libSet = mSharedLibraries.keySet(); 2431 int size = libSet.size(); 2432 if (size > 0) { 2433 String[] libs = new String[size]; 2434 libSet.toArray(libs); 2435 return libs; 2436 } 2437 } 2438 return null; 2439 } 2440 2441 public FeatureInfo[] getSystemAvailableFeatures() { 2442 Collection<FeatureInfo> featSet; 2443 synchronized (mPackages) { 2444 featSet = mAvailableFeatures.values(); 2445 int size = featSet.size(); 2446 if (size > 0) { 2447 FeatureInfo[] features = new FeatureInfo[size+1]; 2448 featSet.toArray(features); 2449 FeatureInfo fi = new FeatureInfo(); 2450 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2451 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2452 features[size] = fi; 2453 return features; 2454 } 2455 } 2456 return null; 2457 } 2458 2459 public boolean hasSystemFeature(String name) { 2460 synchronized (mPackages) { 2461 return mAvailableFeatures.containsKey(name); 2462 } 2463 } 2464 2465 private void checkValidCaller(int uid, int userId) { 2466 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2467 return; 2468 2469 throw new SecurityException("Caller uid=" + uid 2470 + " is not privileged to communicate with user=" + userId); 2471 } 2472 2473 public int checkPermission(String permName, String pkgName) { 2474 synchronized (mPackages) { 2475 PackageParser.Package p = mPackages.get(pkgName); 2476 if (p != null && p.mExtras != null) { 2477 PackageSetting ps = (PackageSetting)p.mExtras; 2478 if (ps.sharedUser != null) { 2479 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2480 return PackageManager.PERMISSION_GRANTED; 2481 } 2482 } else if (ps.grantedPermissions.contains(permName)) { 2483 return PackageManager.PERMISSION_GRANTED; 2484 } 2485 } 2486 } 2487 return PackageManager.PERMISSION_DENIED; 2488 } 2489 2490 public int checkUidPermission(String permName, int uid) { 2491 synchronized (mPackages) { 2492 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2493 if (obj != null) { 2494 GrantedPermissions gp = (GrantedPermissions)obj; 2495 if (gp.grantedPermissions.contains(permName)) { 2496 return PackageManager.PERMISSION_GRANTED; 2497 } 2498 } else { 2499 HashSet<String> perms = mSystemPermissions.get(uid); 2500 if (perms != null && perms.contains(permName)) { 2501 return PackageManager.PERMISSION_GRANTED; 2502 } 2503 } 2504 } 2505 return PackageManager.PERMISSION_DENIED; 2506 } 2507 2508 /** 2509 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2510 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2511 * @param message the message to log on security exception 2512 * @return 2513 */ 2514 private void enforceCrossUserPermission(int callingUid, int userId, 2515 boolean requireFullPermission, String message) { 2516 if (userId < 0) { 2517 throw new IllegalArgumentException("Invalid userId " + userId); 2518 } 2519 if (userId == UserHandle.getUserId(callingUid)) return; 2520 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2521 if (requireFullPermission) { 2522 mContext.enforceCallingOrSelfPermission( 2523 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2524 } else { 2525 try { 2526 mContext.enforceCallingOrSelfPermission( 2527 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2528 } catch (SecurityException se) { 2529 mContext.enforceCallingOrSelfPermission( 2530 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2531 } 2532 } 2533 } 2534 } 2535 2536 private BasePermission findPermissionTreeLP(String permName) { 2537 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2538 if (permName.startsWith(bp.name) && 2539 permName.length() > bp.name.length() && 2540 permName.charAt(bp.name.length()) == '.') { 2541 return bp; 2542 } 2543 } 2544 return null; 2545 } 2546 2547 private BasePermission checkPermissionTreeLP(String permName) { 2548 if (permName != null) { 2549 BasePermission bp = findPermissionTreeLP(permName); 2550 if (bp != null) { 2551 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2552 return bp; 2553 } 2554 throw new SecurityException("Calling uid " 2555 + Binder.getCallingUid() 2556 + " is not allowed to add to permission tree " 2557 + bp.name + " owned by uid " + bp.uid); 2558 } 2559 } 2560 throw new SecurityException("No permission tree found for " + permName); 2561 } 2562 2563 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2564 if (s1 == null) { 2565 return s2 == null; 2566 } 2567 if (s2 == null) { 2568 return false; 2569 } 2570 if (s1.getClass() != s2.getClass()) { 2571 return false; 2572 } 2573 return s1.equals(s2); 2574 } 2575 2576 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2577 if (pi1.icon != pi2.icon) return false; 2578 if (pi1.logo != pi2.logo) return false; 2579 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2580 if (!compareStrings(pi1.name, pi2.name)) return false; 2581 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2582 // We'll take care of setting this one. 2583 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2584 // These are not currently stored in settings. 2585 //if (!compareStrings(pi1.group, pi2.group)) return false; 2586 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2587 //if (pi1.labelRes != pi2.labelRes) return false; 2588 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2589 return true; 2590 } 2591 2592 int permissionInfoFootprint(PermissionInfo info) { 2593 int size = info.name.length(); 2594 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2595 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2596 return size; 2597 } 2598 2599 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2600 int size = 0; 2601 for (BasePermission perm : mSettings.mPermissions.values()) { 2602 if (perm.uid == tree.uid) { 2603 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2604 } 2605 } 2606 return size; 2607 } 2608 2609 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2610 // We calculate the max size of permissions defined by this uid and throw 2611 // if that plus the size of 'info' would exceed our stated maximum. 2612 if (tree.uid != Process.SYSTEM_UID) { 2613 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2614 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2615 throw new SecurityException("Permission tree size cap exceeded"); 2616 } 2617 } 2618 } 2619 2620 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2621 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2622 throw new SecurityException("Label must be specified in permission"); 2623 } 2624 BasePermission tree = checkPermissionTreeLP(info.name); 2625 BasePermission bp = mSettings.mPermissions.get(info.name); 2626 boolean added = bp == null; 2627 boolean changed = true; 2628 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2629 if (added) { 2630 enforcePermissionCapLocked(info, tree); 2631 bp = new BasePermission(info.name, tree.sourcePackage, 2632 BasePermission.TYPE_DYNAMIC); 2633 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2634 throw new SecurityException( 2635 "Not allowed to modify non-dynamic permission " 2636 + info.name); 2637 } else { 2638 if (bp.protectionLevel == fixedLevel 2639 && bp.perm.owner.equals(tree.perm.owner) 2640 && bp.uid == tree.uid 2641 && comparePermissionInfos(bp.perm.info, info)) { 2642 changed = false; 2643 } 2644 } 2645 bp.protectionLevel = fixedLevel; 2646 info = new PermissionInfo(info); 2647 info.protectionLevel = fixedLevel; 2648 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2649 bp.perm.info.packageName = tree.perm.info.packageName; 2650 bp.uid = tree.uid; 2651 if (added) { 2652 mSettings.mPermissions.put(info.name, bp); 2653 } 2654 if (changed) { 2655 if (!async) { 2656 mSettings.writeLPr(); 2657 } else { 2658 scheduleWriteSettingsLocked(); 2659 } 2660 } 2661 return added; 2662 } 2663 2664 public boolean addPermission(PermissionInfo info) { 2665 synchronized (mPackages) { 2666 return addPermissionLocked(info, false); 2667 } 2668 } 2669 2670 public boolean addPermissionAsync(PermissionInfo info) { 2671 synchronized (mPackages) { 2672 return addPermissionLocked(info, true); 2673 } 2674 } 2675 2676 public void removePermission(String name) { 2677 synchronized (mPackages) { 2678 checkPermissionTreeLP(name); 2679 BasePermission bp = mSettings.mPermissions.get(name); 2680 if (bp != null) { 2681 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2682 throw new SecurityException( 2683 "Not allowed to modify non-dynamic permission " 2684 + name); 2685 } 2686 mSettings.mPermissions.remove(name); 2687 mSettings.writeLPr(); 2688 } 2689 } 2690 } 2691 2692 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2693 int index = pkg.requestedPermissions.indexOf(bp.name); 2694 if (index == -1) { 2695 throw new SecurityException("Package " + pkg.packageName 2696 + " has not requested permission " + bp.name); 2697 } 2698 boolean isNormal = 2699 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2700 == PermissionInfo.PROTECTION_NORMAL); 2701 boolean isDangerous = 2702 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2703 == PermissionInfo.PROTECTION_DANGEROUS); 2704 boolean isDevelopment = 2705 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2706 2707 if (!isNormal && !isDangerous && !isDevelopment) { 2708 throw new SecurityException("Permission " + bp.name 2709 + " is not a changeable permission type"); 2710 } 2711 2712 if (isNormal || isDangerous) { 2713 if (pkg.requestedPermissionsRequired.get(index)) { 2714 throw new SecurityException("Can't change " + bp.name 2715 + ". It is required by the application"); 2716 } 2717 } 2718 } 2719 2720 public void grantPermission(String packageName, String permissionName) { 2721 mContext.enforceCallingOrSelfPermission( 2722 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2723 synchronized (mPackages) { 2724 final PackageParser.Package pkg = mPackages.get(packageName); 2725 if (pkg == null) { 2726 throw new IllegalArgumentException("Unknown package: " + packageName); 2727 } 2728 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2729 if (bp == null) { 2730 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2731 } 2732 2733 checkGrantRevokePermissions(pkg, bp); 2734 2735 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2736 if (ps == null) { 2737 return; 2738 } 2739 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2740 if (gp.grantedPermissions.add(permissionName)) { 2741 if (ps.haveGids) { 2742 gp.gids = appendInts(gp.gids, bp.gids); 2743 } 2744 mSettings.writeLPr(); 2745 } 2746 } 2747 } 2748 2749 public void revokePermission(String packageName, String permissionName) { 2750 int changedAppId = -1; 2751 2752 synchronized (mPackages) { 2753 final PackageParser.Package pkg = mPackages.get(packageName); 2754 if (pkg == null) { 2755 throw new IllegalArgumentException("Unknown package: " + packageName); 2756 } 2757 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2758 mContext.enforceCallingOrSelfPermission( 2759 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2760 } 2761 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2762 if (bp == null) { 2763 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2764 } 2765 2766 checkGrantRevokePermissions(pkg, bp); 2767 2768 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2769 if (ps == null) { 2770 return; 2771 } 2772 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2773 if (gp.grantedPermissions.remove(permissionName)) { 2774 gp.grantedPermissions.remove(permissionName); 2775 if (ps.haveGids) { 2776 gp.gids = removeInts(gp.gids, bp.gids); 2777 } 2778 mSettings.writeLPr(); 2779 changedAppId = ps.appId; 2780 } 2781 } 2782 2783 if (changedAppId >= 0) { 2784 // We changed the perm on someone, kill its processes. 2785 IActivityManager am = ActivityManagerNative.getDefault(); 2786 if (am != null) { 2787 final int callingUserId = UserHandle.getCallingUserId(); 2788 final long ident = Binder.clearCallingIdentity(); 2789 try { 2790 //XXX we should only revoke for the calling user's app permissions, 2791 // but for now we impact all users. 2792 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2793 // "revoke " + permissionName); 2794 int[] users = sUserManager.getUserIds(); 2795 for (int user : users) { 2796 am.killUid(UserHandle.getUid(user, changedAppId), 2797 "revoke " + permissionName); 2798 } 2799 } catch (RemoteException e) { 2800 } finally { 2801 Binder.restoreCallingIdentity(ident); 2802 } 2803 } 2804 } 2805 } 2806 2807 public boolean isProtectedBroadcast(String actionName) { 2808 synchronized (mPackages) { 2809 return mProtectedBroadcasts.contains(actionName); 2810 } 2811 } 2812 2813 public int checkSignatures(String pkg1, String pkg2) { 2814 synchronized (mPackages) { 2815 final PackageParser.Package p1 = mPackages.get(pkg1); 2816 final PackageParser.Package p2 = mPackages.get(pkg2); 2817 if (p1 == null || p1.mExtras == null 2818 || p2 == null || p2.mExtras == null) { 2819 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2820 } 2821 return compareSignatures(p1.mSignatures, p2.mSignatures); 2822 } 2823 } 2824 2825 public int checkUidSignatures(int uid1, int uid2) { 2826 // Map to base uids. 2827 uid1 = UserHandle.getAppId(uid1); 2828 uid2 = UserHandle.getAppId(uid2); 2829 // reader 2830 synchronized (mPackages) { 2831 Signature[] s1; 2832 Signature[] s2; 2833 Object obj = mSettings.getUserIdLPr(uid1); 2834 if (obj != null) { 2835 if (obj instanceof SharedUserSetting) { 2836 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2837 } else if (obj instanceof PackageSetting) { 2838 s1 = ((PackageSetting)obj).signatures.mSignatures; 2839 } else { 2840 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2841 } 2842 } else { 2843 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2844 } 2845 obj = mSettings.getUserIdLPr(uid2); 2846 if (obj != null) { 2847 if (obj instanceof SharedUserSetting) { 2848 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2849 } else if (obj instanceof PackageSetting) { 2850 s2 = ((PackageSetting)obj).signatures.mSignatures; 2851 } else { 2852 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2853 } 2854 } else { 2855 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2856 } 2857 return compareSignatures(s1, s2); 2858 } 2859 } 2860 2861 /** 2862 * Compares two sets of signatures. Returns: 2863 * <br /> 2864 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2865 * <br /> 2866 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2867 * <br /> 2868 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2869 * <br /> 2870 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2871 * <br /> 2872 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2873 */ 2874 static int compareSignatures(Signature[] s1, Signature[] s2) { 2875 if (s1 == null) { 2876 return s2 == null 2877 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2878 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2879 } 2880 2881 if (s2 == null) { 2882 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2883 } 2884 2885 if (s1.length != s2.length) { 2886 return PackageManager.SIGNATURE_NO_MATCH; 2887 } 2888 2889 // Since both signature sets are of size 1, we can compare without HashSets. 2890 if (s1.length == 1) { 2891 return s1[0].equals(s2[0]) ? 2892 PackageManager.SIGNATURE_MATCH : 2893 PackageManager.SIGNATURE_NO_MATCH; 2894 } 2895 2896 HashSet<Signature> set1 = new HashSet<Signature>(); 2897 for (Signature sig : s1) { 2898 set1.add(sig); 2899 } 2900 HashSet<Signature> set2 = new HashSet<Signature>(); 2901 for (Signature sig : s2) { 2902 set2.add(sig); 2903 } 2904 // Make sure s2 contains all signatures in s1. 2905 if (set1.equals(set2)) { 2906 return PackageManager.SIGNATURE_MATCH; 2907 } 2908 return PackageManager.SIGNATURE_NO_MATCH; 2909 } 2910 2911 /** 2912 * If the database version for this type of package (internal storage or 2913 * external storage) is less than the version where package signatures 2914 * were updated, return true. 2915 */ 2916 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2917 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2918 DatabaseVersion.SIGNATURE_END_ENTITY)) 2919 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2920 DatabaseVersion.SIGNATURE_END_ENTITY)); 2921 } 2922 2923 /** 2924 * Used for backward compatibility to make sure any packages with 2925 * certificate chains get upgraded to the new style. {@code existingSigs} 2926 * will be in the old format (since they were stored on disk from before the 2927 * system upgrade) and {@code scannedSigs} will be in the newer format. 2928 */ 2929 private int compareSignaturesCompat(PackageSignatures existingSigs, 2930 PackageParser.Package scannedPkg) { 2931 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2932 return PackageManager.SIGNATURE_NO_MATCH; 2933 } 2934 2935 HashSet<Signature> existingSet = new HashSet<Signature>(); 2936 for (Signature sig : existingSigs.mSignatures) { 2937 existingSet.add(sig); 2938 } 2939 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2940 for (Signature sig : scannedPkg.mSignatures) { 2941 try { 2942 Signature[] chainSignatures = sig.getChainSignatures(); 2943 for (Signature chainSig : chainSignatures) { 2944 scannedCompatSet.add(chainSig); 2945 } 2946 } catch (CertificateEncodingException e) { 2947 scannedCompatSet.add(sig); 2948 } 2949 } 2950 /* 2951 * Make sure the expanded scanned set contains all signatures in the 2952 * existing one. 2953 */ 2954 if (scannedCompatSet.equals(existingSet)) { 2955 // Migrate the old signatures to the new scheme. 2956 existingSigs.assignSignatures(scannedPkg.mSignatures); 2957 // The new KeySets will be re-added later in the scanning process. 2958 mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName); 2959 return PackageManager.SIGNATURE_MATCH; 2960 } 2961 return PackageManager.SIGNATURE_NO_MATCH; 2962 } 2963 2964 public String[] getPackagesForUid(int uid) { 2965 uid = UserHandle.getAppId(uid); 2966 // reader 2967 synchronized (mPackages) { 2968 Object obj = mSettings.getUserIdLPr(uid); 2969 if (obj instanceof SharedUserSetting) { 2970 final SharedUserSetting sus = (SharedUserSetting) obj; 2971 final int N = sus.packages.size(); 2972 final String[] res = new String[N]; 2973 final Iterator<PackageSetting> it = sus.packages.iterator(); 2974 int i = 0; 2975 while (it.hasNext()) { 2976 res[i++] = it.next().name; 2977 } 2978 return res; 2979 } else if (obj instanceof PackageSetting) { 2980 final PackageSetting ps = (PackageSetting) obj; 2981 return new String[] { ps.name }; 2982 } 2983 } 2984 return null; 2985 } 2986 2987 public String getNameForUid(int uid) { 2988 // reader 2989 synchronized (mPackages) { 2990 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2991 if (obj instanceof SharedUserSetting) { 2992 final SharedUserSetting sus = (SharedUserSetting) obj; 2993 return sus.name + ":" + sus.userId; 2994 } else if (obj instanceof PackageSetting) { 2995 final PackageSetting ps = (PackageSetting) obj; 2996 return ps.name; 2997 } 2998 } 2999 return null; 3000 } 3001 3002 public int getUidForSharedUser(String sharedUserName) { 3003 if(sharedUserName == null) { 3004 return -1; 3005 } 3006 // reader 3007 synchronized (mPackages) { 3008 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 3009 if (suid == null) { 3010 return -1; 3011 } 3012 return suid.userId; 3013 } 3014 } 3015 3016 public int getFlagsForUid(int uid) { 3017 synchronized (mPackages) { 3018 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3019 if (obj instanceof SharedUserSetting) { 3020 final SharedUserSetting sus = (SharedUserSetting) obj; 3021 return sus.pkgFlags; 3022 } else if (obj instanceof PackageSetting) { 3023 final PackageSetting ps = (PackageSetting) obj; 3024 return ps.pkgFlags; 3025 } 3026 } 3027 return 0; 3028 } 3029 3030 @Override 3031 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3032 int flags, int userId) { 3033 if (!sUserManager.exists(userId)) return null; 3034 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 3035 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3036 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3037 } 3038 3039 @Override 3040 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3041 IntentFilter filter, int match, ComponentName activity) { 3042 final int userId = UserHandle.getCallingUserId(); 3043 if (DEBUG_PREFERRED) { 3044 Log.v(TAG, "setLastChosenActivity intent=" + intent 3045 + " resolvedType=" + resolvedType 3046 + " flags=" + flags 3047 + " filter=" + filter 3048 + " match=" + match 3049 + " activity=" + activity); 3050 filter.dump(new PrintStreamPrinter(System.out), " "); 3051 } 3052 intent.setComponent(null); 3053 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3054 // Find any earlier preferred or last chosen entries and nuke them 3055 findPreferredActivity(intent, resolvedType, 3056 flags, query, 0, false, true, false, userId); 3057 // Add the new activity as the last chosen for this filter 3058 addPreferredActivityInternal(filter, match, null, activity, false, userId); 3059 } 3060 3061 @Override 3062 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3063 final int userId = UserHandle.getCallingUserId(); 3064 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3065 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3066 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3067 false, false, false, userId); 3068 } 3069 3070 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3071 int flags, List<ResolveInfo> query, int userId) { 3072 if (query != null) { 3073 final int N = query.size(); 3074 if (N == 1) { 3075 return query.get(0); 3076 } else if (N > 1) { 3077 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3078 // If there is more than one activity with the same priority, 3079 // then let the user decide between them. 3080 ResolveInfo r0 = query.get(0); 3081 ResolveInfo r1 = query.get(1); 3082 if (DEBUG_INTENT_MATCHING || debug) { 3083 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3084 + r1.activityInfo.name + "=" + r1.priority); 3085 } 3086 // If the first activity has a higher priority, or a different 3087 // default, then it is always desireable to pick it. 3088 if (r0.priority != r1.priority 3089 || r0.preferredOrder != r1.preferredOrder 3090 || r0.isDefault != r1.isDefault) { 3091 return query.get(0); 3092 } 3093 // If we have saved a preference for a preferred activity for 3094 // this Intent, use that. 3095 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3096 flags, query, r0.priority, true, false, debug, userId); 3097 if (ri != null) { 3098 return ri; 3099 } 3100 if (userId != 0) { 3101 ri = new ResolveInfo(mResolveInfo); 3102 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3103 ri.activityInfo.applicationInfo = new ApplicationInfo( 3104 ri.activityInfo.applicationInfo); 3105 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3106 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3107 return ri; 3108 } 3109 return mResolveInfo; 3110 } 3111 } 3112 return null; 3113 } 3114 3115 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3116 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3117 final int N = query.size(); 3118 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3119 .get(userId); 3120 // Get the list of persistent preferred activities that handle the intent 3121 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3122 List<PersistentPreferredActivity> pprefs = ppir != null 3123 ? ppir.queryIntent(intent, resolvedType, 3124 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3125 : null; 3126 if (pprefs != null && pprefs.size() > 0) { 3127 final int M = pprefs.size(); 3128 for (int i=0; i<M; i++) { 3129 final PersistentPreferredActivity ppa = pprefs.get(i); 3130 if (DEBUG_PREFERRED || debug) { 3131 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3132 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3133 + "\n component=" + ppa.mComponent); 3134 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3135 } 3136 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3137 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3138 if (DEBUG_PREFERRED || debug) { 3139 Slog.v(TAG, "Found persistent preferred activity:"); 3140 if (ai != null) { 3141 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3142 } else { 3143 Slog.v(TAG, " null"); 3144 } 3145 } 3146 if (ai == null) { 3147 // This previously registered persistent preferred activity 3148 // component is no longer known. Ignore it and do NOT remove it. 3149 continue; 3150 } 3151 for (int j=0; j<N; j++) { 3152 final ResolveInfo ri = query.get(j); 3153 if (!ri.activityInfo.applicationInfo.packageName 3154 .equals(ai.applicationInfo.packageName)) { 3155 continue; 3156 } 3157 if (!ri.activityInfo.name.equals(ai.name)) { 3158 continue; 3159 } 3160 // Found a persistent preference that can handle the intent. 3161 if (DEBUG_PREFERRED || debug) { 3162 Slog.v(TAG, "Returning persistent preferred activity: " + 3163 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3164 } 3165 return ri; 3166 } 3167 } 3168 } 3169 return null; 3170 } 3171 3172 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3173 List<ResolveInfo> query, int priority, boolean always, 3174 boolean removeMatches, boolean debug, int userId) { 3175 if (!sUserManager.exists(userId)) return null; 3176 // writer 3177 synchronized (mPackages) { 3178 if (intent.getSelector() != null) { 3179 intent = intent.getSelector(); 3180 } 3181 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3182 3183 // Try to find a matching persistent preferred activity. 3184 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3185 debug, userId); 3186 3187 // If a persistent preferred activity matched, use it. 3188 if (pri != null) { 3189 return pri; 3190 } 3191 3192 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3193 // Get the list of preferred activities that handle the intent 3194 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3195 List<PreferredActivity> prefs = pir != null 3196 ? pir.queryIntent(intent, resolvedType, 3197 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3198 : null; 3199 if (prefs != null && prefs.size() > 0) { 3200 // First figure out how good the original match set is. 3201 // We will only allow preferred activities that came 3202 // from the same match quality. 3203 int match = 0; 3204 3205 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3206 3207 final int N = query.size(); 3208 for (int j=0; j<N; j++) { 3209 final ResolveInfo ri = query.get(j); 3210 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3211 + ": 0x" + Integer.toHexString(match)); 3212 if (ri.match > match) { 3213 match = ri.match; 3214 } 3215 } 3216 3217 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3218 + Integer.toHexString(match)); 3219 3220 match &= IntentFilter.MATCH_CATEGORY_MASK; 3221 final int M = prefs.size(); 3222 for (int i=0; i<M; i++) { 3223 final PreferredActivity pa = prefs.get(i); 3224 if (DEBUG_PREFERRED || debug) { 3225 Slog.v(TAG, "Checking PreferredActivity ds=" 3226 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3227 + "\n component=" + pa.mPref.mComponent); 3228 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3229 } 3230 if (pa.mPref.mMatch != match) { 3231 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3232 + Integer.toHexString(pa.mPref.mMatch)); 3233 continue; 3234 } 3235 // If it's not an "always" type preferred activity and that's what we're 3236 // looking for, skip it. 3237 if (always && !pa.mPref.mAlways) { 3238 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3239 continue; 3240 } 3241 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3242 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3243 if (DEBUG_PREFERRED || debug) { 3244 Slog.v(TAG, "Found preferred activity:"); 3245 if (ai != null) { 3246 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3247 } else { 3248 Slog.v(TAG, " null"); 3249 } 3250 } 3251 if (ai == null) { 3252 // This previously registered preferred activity 3253 // component is no longer known. Most likely an update 3254 // to the app was installed and in the new version this 3255 // component no longer exists. Clean it up by removing 3256 // it from the preferred activities list, and skip it. 3257 Slog.w(TAG, "Removing dangling preferred activity: " 3258 + pa.mPref.mComponent); 3259 pir.removeFilter(pa); 3260 continue; 3261 } 3262 for (int j=0; j<N; j++) { 3263 final ResolveInfo ri = query.get(j); 3264 if (!ri.activityInfo.applicationInfo.packageName 3265 .equals(ai.applicationInfo.packageName)) { 3266 continue; 3267 } 3268 if (!ri.activityInfo.name.equals(ai.name)) { 3269 continue; 3270 } 3271 3272 if (removeMatches) { 3273 pir.removeFilter(pa); 3274 if (DEBUG_PREFERRED) { 3275 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3276 } 3277 break; 3278 } 3279 3280 // Okay we found a previously set preferred or last chosen app. 3281 // If the result set is different from when this 3282 // was created, we need to clear it and re-ask the 3283 // user their preference, if we're looking for an "always" type entry. 3284 if (always && !pa.mPref.sameSet(query, priority)) { 3285 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3286 + intent + " type " + resolvedType); 3287 if (DEBUG_PREFERRED) { 3288 Slog.v(TAG, "Removing preferred activity since set changed " 3289 + pa.mPref.mComponent); 3290 } 3291 pir.removeFilter(pa); 3292 // Re-add the filter as a "last chosen" entry (!always) 3293 PreferredActivity lastChosen = new PreferredActivity( 3294 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3295 pir.addFilter(lastChosen); 3296 mSettings.writePackageRestrictionsLPr(userId); 3297 return null; 3298 } 3299 3300 // Yay! Either the set matched or we're looking for the last chosen 3301 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3302 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3303 mSettings.writePackageRestrictionsLPr(userId); 3304 return ri; 3305 } 3306 } 3307 } 3308 mSettings.writePackageRestrictionsLPr(userId); 3309 } 3310 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3311 return null; 3312 } 3313 3314 /* 3315 * Returns if intent can be forwarded from the userId from to dest 3316 */ 3317 @Override 3318 public boolean canForwardTo(Intent intent, String resolvedType, int userIdFrom, int userIdDest) { 3319 mContext.enforceCallingOrSelfPermission( 3320 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3321 List<ForwardingIntentFilter> matches = 3322 getMatchingForwardingIntentFilters(intent, resolvedType, userIdFrom); 3323 if (matches != null) { 3324 int size = matches.size(); 3325 for (int i = 0; i < size; i++) { 3326 if (matches.get(i).getUserIdDest() == userIdDest) return true; 3327 } 3328 } 3329 return false; 3330 } 3331 3332 private List<ForwardingIntentFilter> getMatchingForwardingIntentFilters(Intent intent, 3333 String resolvedType, int userId) { 3334 ForwardingIntentResolver fir = mSettings.mForwardingIntentResolvers.get(userId); 3335 if (fir != null) { 3336 return fir.queryIntent(intent, resolvedType, false, userId); 3337 } 3338 return null; 3339 } 3340 3341 @Override 3342 public List<ResolveInfo> queryIntentActivities(Intent intent, 3343 String resolvedType, int flags, int userId) { 3344 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3345 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3346 ComponentName comp = intent.getComponent(); 3347 if (comp == null) { 3348 if (intent.getSelector() != null) { 3349 intent = intent.getSelector(); 3350 comp = intent.getComponent(); 3351 } 3352 } 3353 3354 if (comp != null) { 3355 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3356 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3357 if (ai != null) { 3358 final ResolveInfo ri = new ResolveInfo(); 3359 ri.activityInfo = ai; 3360 list.add(ri); 3361 } 3362 return list; 3363 } 3364 3365 // reader 3366 synchronized (mPackages) { 3367 final String pkgName = intent.getPackage(); 3368 if (pkgName == null) { 3369 List<ResolveInfo> result = 3370 mActivities.queryIntent(intent, resolvedType, flags, userId); 3371 // Checking if we can forward the intent to another user 3372 List<ForwardingIntentFilter> fifs = 3373 getMatchingForwardingIntentFilters(intent, resolvedType, userId); 3374 if (fifs != null) { 3375 ForwardingIntentFilter forwardingIntentFilterWithResult = null; 3376 HashSet<Integer> alreadyTriedUserIds = new HashSet<Integer>(); 3377 for (ForwardingIntentFilter fif : fifs) { 3378 int userIdDest = fif.getUserIdDest(); 3379 // Two {@link ForwardingIntentFilter}s can have the same userIdDest and 3380 // match the same an intent. For performance reasons, it is better not to 3381 // run queryIntent twice for the same userId 3382 if (!alreadyTriedUserIds.contains(userIdDest)) { 3383 List<ResolveInfo> resultUser = mActivities.queryIntent(intent, 3384 resolvedType, flags, userIdDest); 3385 if (resultUser != null) { 3386 forwardingIntentFilterWithResult = fif; 3387 // As soon as there is a match in another user, we add the 3388 // intentForwarderActivity to the list of ResolveInfo. 3389 break; 3390 } 3391 alreadyTriedUserIds.add(userIdDest); 3392 } 3393 } 3394 if (forwardingIntentFilterWithResult != null) { 3395 ResolveInfo forwardingResolveInfo = createForwardingResolveInfo( 3396 forwardingIntentFilterWithResult, userId); 3397 result.add(forwardingResolveInfo); 3398 } 3399 } 3400 return result; 3401 } 3402 final PackageParser.Package pkg = mPackages.get(pkgName); 3403 if (pkg != null) { 3404 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3405 pkg.activities, userId); 3406 } 3407 return new ArrayList<ResolveInfo>(); 3408 } 3409 } 3410 3411 private ResolveInfo createForwardingResolveInfo(ForwardingIntentFilter fif, int userIdFrom) { 3412 String className; 3413 int userIdDest = fif.getUserIdDest(); 3414 if (userIdDest == UserHandle.USER_OWNER) { 3415 className = FORWARD_INTENT_TO_USER_OWNER; 3416 } else { 3417 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3418 } 3419 ComponentName forwardingActivityComponentName = new ComponentName( 3420 mAndroidApplication.packageName, className); 3421 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3422 userIdFrom); 3423 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3424 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3425 forwardingResolveInfo.priority = 0; 3426 forwardingResolveInfo.preferredOrder = 0; 3427 forwardingResolveInfo.match = 0; 3428 forwardingResolveInfo.isDefault = true; 3429 forwardingResolveInfo.filter = fif; 3430 return forwardingResolveInfo; 3431 } 3432 3433 @Override 3434 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3435 Intent[] specifics, String[] specificTypes, Intent intent, 3436 String resolvedType, int flags, int userId) { 3437 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3438 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3439 "query intent activity options"); 3440 final String resultsAction = intent.getAction(); 3441 3442 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3443 | PackageManager.GET_RESOLVED_FILTER, userId); 3444 3445 if (DEBUG_INTENT_MATCHING) { 3446 Log.v(TAG, "Query " + intent + ": " + results); 3447 } 3448 3449 int specificsPos = 0; 3450 int N; 3451 3452 // todo: note that the algorithm used here is O(N^2). This 3453 // isn't a problem in our current environment, but if we start running 3454 // into situations where we have more than 5 or 10 matches then this 3455 // should probably be changed to something smarter... 3456 3457 // First we go through and resolve each of the specific items 3458 // that were supplied, taking care of removing any corresponding 3459 // duplicate items in the generic resolve list. 3460 if (specifics != null) { 3461 for (int i=0; i<specifics.length; i++) { 3462 final Intent sintent = specifics[i]; 3463 if (sintent == null) { 3464 continue; 3465 } 3466 3467 if (DEBUG_INTENT_MATCHING) { 3468 Log.v(TAG, "Specific #" + i + ": " + sintent); 3469 } 3470 3471 String action = sintent.getAction(); 3472 if (resultsAction != null && resultsAction.equals(action)) { 3473 // If this action was explicitly requested, then don't 3474 // remove things that have it. 3475 action = null; 3476 } 3477 3478 ResolveInfo ri = null; 3479 ActivityInfo ai = null; 3480 3481 ComponentName comp = sintent.getComponent(); 3482 if (comp == null) { 3483 ri = resolveIntent( 3484 sintent, 3485 specificTypes != null ? specificTypes[i] : null, 3486 flags, userId); 3487 if (ri == null) { 3488 continue; 3489 } 3490 if (ri == mResolveInfo) { 3491 // ACK! Must do something better with this. 3492 } 3493 ai = ri.activityInfo; 3494 comp = new ComponentName(ai.applicationInfo.packageName, 3495 ai.name); 3496 } else { 3497 ai = getActivityInfo(comp, flags, userId); 3498 if (ai == null) { 3499 continue; 3500 } 3501 } 3502 3503 // Look for any generic query activities that are duplicates 3504 // of this specific one, and remove them from the results. 3505 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3506 N = results.size(); 3507 int j; 3508 for (j=specificsPos; j<N; j++) { 3509 ResolveInfo sri = results.get(j); 3510 if ((sri.activityInfo.name.equals(comp.getClassName()) 3511 && sri.activityInfo.applicationInfo.packageName.equals( 3512 comp.getPackageName())) 3513 || (action != null && sri.filter.matchAction(action))) { 3514 results.remove(j); 3515 if (DEBUG_INTENT_MATCHING) Log.v( 3516 TAG, "Removing duplicate item from " + j 3517 + " due to specific " + specificsPos); 3518 if (ri == null) { 3519 ri = sri; 3520 } 3521 j--; 3522 N--; 3523 } 3524 } 3525 3526 // Add this specific item to its proper place. 3527 if (ri == null) { 3528 ri = new ResolveInfo(); 3529 ri.activityInfo = ai; 3530 } 3531 results.add(specificsPos, ri); 3532 ri.specificIndex = i; 3533 specificsPos++; 3534 } 3535 } 3536 3537 // Now we go through the remaining generic results and remove any 3538 // duplicate actions that are found here. 3539 N = results.size(); 3540 for (int i=specificsPos; i<N-1; i++) { 3541 final ResolveInfo rii = results.get(i); 3542 if (rii.filter == null) { 3543 continue; 3544 } 3545 3546 // Iterate over all of the actions of this result's intent 3547 // filter... typically this should be just one. 3548 final Iterator<String> it = rii.filter.actionsIterator(); 3549 if (it == null) { 3550 continue; 3551 } 3552 while (it.hasNext()) { 3553 final String action = it.next(); 3554 if (resultsAction != null && resultsAction.equals(action)) { 3555 // If this action was explicitly requested, then don't 3556 // remove things that have it. 3557 continue; 3558 } 3559 for (int j=i+1; j<N; j++) { 3560 final ResolveInfo rij = results.get(j); 3561 if (rij.filter != null && rij.filter.hasAction(action)) { 3562 results.remove(j); 3563 if (DEBUG_INTENT_MATCHING) Log.v( 3564 TAG, "Removing duplicate item from " + j 3565 + " due to action " + action + " at " + i); 3566 j--; 3567 N--; 3568 } 3569 } 3570 } 3571 3572 // If the caller didn't request filter information, drop it now 3573 // so we don't have to marshall/unmarshall it. 3574 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3575 rii.filter = null; 3576 } 3577 } 3578 3579 // Filter out the caller activity if so requested. 3580 if (caller != null) { 3581 N = results.size(); 3582 for (int i=0; i<N; i++) { 3583 ActivityInfo ainfo = results.get(i).activityInfo; 3584 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3585 && caller.getClassName().equals(ainfo.name)) { 3586 results.remove(i); 3587 break; 3588 } 3589 } 3590 } 3591 3592 // If the caller didn't request filter information, 3593 // drop them now so we don't have to 3594 // marshall/unmarshall it. 3595 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3596 N = results.size(); 3597 for (int i=0; i<N; i++) { 3598 results.get(i).filter = null; 3599 } 3600 } 3601 3602 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3603 return results; 3604 } 3605 3606 @Override 3607 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3608 int userId) { 3609 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3610 ComponentName comp = intent.getComponent(); 3611 if (comp == null) { 3612 if (intent.getSelector() != null) { 3613 intent = intent.getSelector(); 3614 comp = intent.getComponent(); 3615 } 3616 } 3617 if (comp != null) { 3618 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3619 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3620 if (ai != null) { 3621 ResolveInfo ri = new ResolveInfo(); 3622 ri.activityInfo = ai; 3623 list.add(ri); 3624 } 3625 return list; 3626 } 3627 3628 // reader 3629 synchronized (mPackages) { 3630 String pkgName = intent.getPackage(); 3631 if (pkgName == null) { 3632 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3633 } 3634 final PackageParser.Package pkg = mPackages.get(pkgName); 3635 if (pkg != null) { 3636 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3637 userId); 3638 } 3639 return null; 3640 } 3641 } 3642 3643 @Override 3644 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3645 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3646 if (!sUserManager.exists(userId)) return null; 3647 if (query != null) { 3648 if (query.size() >= 1) { 3649 // If there is more than one service with the same priority, 3650 // just arbitrarily pick the first one. 3651 return query.get(0); 3652 } 3653 } 3654 return null; 3655 } 3656 3657 @Override 3658 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3659 int userId) { 3660 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3661 ComponentName comp = intent.getComponent(); 3662 if (comp == null) { 3663 if (intent.getSelector() != null) { 3664 intent = intent.getSelector(); 3665 comp = intent.getComponent(); 3666 } 3667 } 3668 if (comp != null) { 3669 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3670 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3671 if (si != null) { 3672 final ResolveInfo ri = new ResolveInfo(); 3673 ri.serviceInfo = si; 3674 list.add(ri); 3675 } 3676 return list; 3677 } 3678 3679 // reader 3680 synchronized (mPackages) { 3681 String pkgName = intent.getPackage(); 3682 if (pkgName == null) { 3683 return mServices.queryIntent(intent, resolvedType, flags, userId); 3684 } 3685 final PackageParser.Package pkg = mPackages.get(pkgName); 3686 if (pkg != null) { 3687 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3688 userId); 3689 } 3690 return null; 3691 } 3692 } 3693 3694 @Override 3695 public List<ResolveInfo> queryIntentContentProviders( 3696 Intent intent, String resolvedType, int flags, int userId) { 3697 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3698 ComponentName comp = intent.getComponent(); 3699 if (comp == null) { 3700 if (intent.getSelector() != null) { 3701 intent = intent.getSelector(); 3702 comp = intent.getComponent(); 3703 } 3704 } 3705 if (comp != null) { 3706 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3707 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3708 if (pi != null) { 3709 final ResolveInfo ri = new ResolveInfo(); 3710 ri.providerInfo = pi; 3711 list.add(ri); 3712 } 3713 return list; 3714 } 3715 3716 // reader 3717 synchronized (mPackages) { 3718 String pkgName = intent.getPackage(); 3719 if (pkgName == null) { 3720 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3721 } 3722 final PackageParser.Package pkg = mPackages.get(pkgName); 3723 if (pkg != null) { 3724 return mProviders.queryIntentForPackage( 3725 intent, resolvedType, flags, pkg.providers, userId); 3726 } 3727 return null; 3728 } 3729 } 3730 3731 @Override 3732 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3733 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3734 3735 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3736 3737 // writer 3738 synchronized (mPackages) { 3739 ArrayList<PackageInfo> list; 3740 if (listUninstalled) { 3741 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3742 for (PackageSetting ps : mSettings.mPackages.values()) { 3743 PackageInfo pi; 3744 if (ps.pkg != null) { 3745 pi = generatePackageInfo(ps.pkg, flags, userId); 3746 } else { 3747 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3748 } 3749 if (pi != null) { 3750 list.add(pi); 3751 } 3752 } 3753 } else { 3754 list = new ArrayList<PackageInfo>(mPackages.size()); 3755 for (PackageParser.Package p : mPackages.values()) { 3756 PackageInfo pi = generatePackageInfo(p, flags, userId); 3757 if (pi != null) { 3758 list.add(pi); 3759 } 3760 } 3761 } 3762 3763 return new ParceledListSlice<PackageInfo>(list); 3764 } 3765 } 3766 3767 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3768 String[] permissions, boolean[] tmp, int flags, int userId) { 3769 int numMatch = 0; 3770 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3771 for (int i=0; i<permissions.length; i++) { 3772 if (gp.grantedPermissions.contains(permissions[i])) { 3773 tmp[i] = true; 3774 numMatch++; 3775 } else { 3776 tmp[i] = false; 3777 } 3778 } 3779 if (numMatch == 0) { 3780 return; 3781 } 3782 PackageInfo pi; 3783 if (ps.pkg != null) { 3784 pi = generatePackageInfo(ps.pkg, flags, userId); 3785 } else { 3786 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3787 } 3788 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3789 if (numMatch == permissions.length) { 3790 pi.requestedPermissions = permissions; 3791 } else { 3792 pi.requestedPermissions = new String[numMatch]; 3793 numMatch = 0; 3794 for (int i=0; i<permissions.length; i++) { 3795 if (tmp[i]) { 3796 pi.requestedPermissions[numMatch] = permissions[i]; 3797 numMatch++; 3798 } 3799 } 3800 } 3801 } 3802 list.add(pi); 3803 } 3804 3805 @Override 3806 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3807 String[] permissions, int flags, int userId) { 3808 if (!sUserManager.exists(userId)) return null; 3809 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3810 3811 // writer 3812 synchronized (mPackages) { 3813 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3814 boolean[] tmpBools = new boolean[permissions.length]; 3815 if (listUninstalled) { 3816 for (PackageSetting ps : mSettings.mPackages.values()) { 3817 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3818 } 3819 } else { 3820 for (PackageParser.Package pkg : mPackages.values()) { 3821 PackageSetting ps = (PackageSetting)pkg.mExtras; 3822 if (ps != null) { 3823 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3824 userId); 3825 } 3826 } 3827 } 3828 3829 return new ParceledListSlice<PackageInfo>(list); 3830 } 3831 } 3832 3833 @Override 3834 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3835 if (!sUserManager.exists(userId)) return null; 3836 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3837 3838 // writer 3839 synchronized (mPackages) { 3840 ArrayList<ApplicationInfo> list; 3841 if (listUninstalled) { 3842 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3843 for (PackageSetting ps : mSettings.mPackages.values()) { 3844 ApplicationInfo ai; 3845 if (ps.pkg != null) { 3846 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3847 ps.readUserState(userId), userId); 3848 } else { 3849 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3850 } 3851 if (ai != null) { 3852 list.add(ai); 3853 } 3854 } 3855 } else { 3856 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3857 for (PackageParser.Package p : mPackages.values()) { 3858 if (p.mExtras != null) { 3859 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3860 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3861 if (ai != null) { 3862 list.add(ai); 3863 } 3864 } 3865 } 3866 } 3867 3868 return new ParceledListSlice<ApplicationInfo>(list); 3869 } 3870 } 3871 3872 public List<ApplicationInfo> getPersistentApplications(int flags) { 3873 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3874 3875 // reader 3876 synchronized (mPackages) { 3877 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3878 final int userId = UserHandle.getCallingUserId(); 3879 while (i.hasNext()) { 3880 final PackageParser.Package p = i.next(); 3881 if (p.applicationInfo != null 3882 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3883 && (!mSafeMode || isSystemApp(p))) { 3884 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3885 if (ps != null) { 3886 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3887 ps.readUserState(userId), userId); 3888 if (ai != null) { 3889 finalList.add(ai); 3890 } 3891 } 3892 } 3893 } 3894 } 3895 3896 return finalList; 3897 } 3898 3899 @Override 3900 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3901 if (!sUserManager.exists(userId)) return null; 3902 // reader 3903 synchronized (mPackages) { 3904 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3905 PackageSetting ps = provider != null 3906 ? mSettings.mPackages.get(provider.owner.packageName) 3907 : null; 3908 return ps != null 3909 && mSettings.isEnabledLPr(provider.info, flags, userId) 3910 && (!mSafeMode || (provider.info.applicationInfo.flags 3911 &ApplicationInfo.FLAG_SYSTEM) != 0) 3912 ? PackageParser.generateProviderInfo(provider, flags, 3913 ps.readUserState(userId), userId) 3914 : null; 3915 } 3916 } 3917 3918 /** 3919 * @deprecated 3920 */ 3921 @Deprecated 3922 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3923 // reader 3924 synchronized (mPackages) { 3925 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3926 .entrySet().iterator(); 3927 final int userId = UserHandle.getCallingUserId(); 3928 while (i.hasNext()) { 3929 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3930 PackageParser.Provider p = entry.getValue(); 3931 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3932 3933 if (ps != null && p.syncable 3934 && (!mSafeMode || (p.info.applicationInfo.flags 3935 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3936 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3937 ps.readUserState(userId), userId); 3938 if (info != null) { 3939 outNames.add(entry.getKey()); 3940 outInfo.add(info); 3941 } 3942 } 3943 } 3944 } 3945 } 3946 3947 public List<ProviderInfo> queryContentProviders(String processName, 3948 int uid, int flags) { 3949 ArrayList<ProviderInfo> finalList = null; 3950 // reader 3951 synchronized (mPackages) { 3952 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3953 final int userId = processName != null ? 3954 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3955 while (i.hasNext()) { 3956 final PackageParser.Provider p = i.next(); 3957 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3958 if (ps != null && p.info.authority != null 3959 && (processName == null 3960 || (p.info.processName.equals(processName) 3961 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3962 && mSettings.isEnabledLPr(p.info, flags, userId) 3963 && (!mSafeMode 3964 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3965 if (finalList == null) { 3966 finalList = new ArrayList<ProviderInfo>(3); 3967 } 3968 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3969 ps.readUserState(userId), userId); 3970 if (info != null) { 3971 finalList.add(info); 3972 } 3973 } 3974 } 3975 } 3976 3977 if (finalList != null) { 3978 Collections.sort(finalList, mProviderInitOrderSorter); 3979 } 3980 3981 return finalList; 3982 } 3983 3984 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3985 int flags) { 3986 // reader 3987 synchronized (mPackages) { 3988 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3989 return PackageParser.generateInstrumentationInfo(i, flags); 3990 } 3991 } 3992 3993 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3994 int flags) { 3995 ArrayList<InstrumentationInfo> finalList = 3996 new ArrayList<InstrumentationInfo>(); 3997 3998 // reader 3999 synchronized (mPackages) { 4000 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4001 while (i.hasNext()) { 4002 final PackageParser.Instrumentation p = i.next(); 4003 if (targetPackage == null 4004 || targetPackage.equals(p.info.targetPackage)) { 4005 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4006 flags); 4007 if (ii != null) { 4008 finalList.add(ii); 4009 } 4010 } 4011 } 4012 } 4013 4014 return finalList; 4015 } 4016 4017 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4018 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4019 if (overlays == null) { 4020 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4021 return; 4022 } 4023 for (PackageParser.Package opkg : overlays.values()) { 4024 // Not much to do if idmap fails: we already logged the error 4025 // and we certainly don't want to abort installation of pkg simply 4026 // because an overlay didn't fit properly. For these reasons, 4027 // ignore the return value of createIdmapForPackagePairLI. 4028 createIdmapForPackagePairLI(pkg, opkg); 4029 } 4030 } 4031 4032 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4033 PackageParser.Package opkg) { 4034 if (!opkg.mTrustedOverlay) { 4035 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 4036 opkg.mScanPath + ": overlay not trusted"); 4037 return false; 4038 } 4039 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4040 if (overlaySet == null) { 4041 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 4042 opkg.mScanPath + " but target package has no known overlays"); 4043 return false; 4044 } 4045 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4046 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 4047 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 4048 return false; 4049 } 4050 PackageParser.Package[] overlayArray = 4051 overlaySet.values().toArray(new PackageParser.Package[0]); 4052 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4053 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4054 return p1.mOverlayPriority - p2.mOverlayPriority; 4055 } 4056 }; 4057 Arrays.sort(overlayArray, cmp); 4058 4059 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4060 int i = 0; 4061 for (PackageParser.Package p : overlayArray) { 4062 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 4063 } 4064 return true; 4065 } 4066 4067 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4068 String[] files = dir.list(); 4069 if (files == null) { 4070 Log.d(TAG, "No files in app dir " + dir); 4071 return; 4072 } 4073 4074 if (DEBUG_PACKAGE_SCANNING) { 4075 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4076 + " flags=0x" + Integer.toHexString(flags)); 4077 } 4078 4079 int i; 4080 for (i=0; i<files.length; i++) { 4081 File file = new File(dir, files[i]); 4082 if (!isPackageFilename(files[i])) { 4083 // Ignore entries which are not apk's 4084 continue; 4085 } 4086 PackageParser.Package pkg = scanPackageLI(file, 4087 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 4088 // Don't mess around with apps in system partition. 4089 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4090 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 4091 // Delete the apk 4092 Slog.w(TAG, "Cleaning up failed install of " + file); 4093 file.delete(); 4094 } 4095 } 4096 } 4097 4098 private static File getSettingsProblemFile() { 4099 File dataDir = Environment.getDataDirectory(); 4100 File systemDir = new File(dataDir, "system"); 4101 File fname = new File(systemDir, "uiderrors.txt"); 4102 return fname; 4103 } 4104 4105 static void reportSettingsProblem(int priority, String msg) { 4106 try { 4107 File fname = getSettingsProblemFile(); 4108 FileOutputStream out = new FileOutputStream(fname, true); 4109 PrintWriter pw = new FastPrintWriter(out); 4110 SimpleDateFormat formatter = new SimpleDateFormat(); 4111 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4112 pw.println(dateString + ": " + msg); 4113 pw.close(); 4114 FileUtils.setPermissions( 4115 fname.toString(), 4116 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4117 -1, -1); 4118 } catch (java.io.IOException e) { 4119 } 4120 Slog.println(priority, TAG, msg); 4121 } 4122 4123 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 4124 PackageParser.Package pkg, File srcFile, int parseFlags) { 4125 if (ps != null 4126 && ps.codePath.equals(srcFile) 4127 && ps.timeStamp == srcFile.lastModified() 4128 && !isCompatSignatureUpdateNeeded(pkg)) { 4129 if (ps.signatures.mSignatures != null 4130 && ps.signatures.mSignatures.length != 0) { 4131 // Optimization: reuse the existing cached certificates 4132 // if the package appears to be unchanged. 4133 pkg.mSignatures = ps.signatures.mSignatures; 4134 return true; 4135 } 4136 4137 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4138 } else { 4139 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4140 } 4141 4142 if (!pp.collectCertificates(pkg, parseFlags)) { 4143 mLastScanError = pp.getParseError(); 4144 return false; 4145 } 4146 return true; 4147 } 4148 4149 /* 4150 * Scan a package and return the newly parsed package. 4151 * Returns null in case of errors and the error code is stored in mLastScanError 4152 */ 4153 private PackageParser.Package scanPackageLI(File scanFile, 4154 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4155 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4156 String scanPath = scanFile.getPath(); 4157 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4158 parseFlags |= mDefParseFlags; 4159 PackageParser pp = new PackageParser(scanPath); 4160 pp.setSeparateProcesses(mSeparateProcesses); 4161 pp.setOnlyCoreApps(mOnlyCore); 4162 final PackageParser.Package pkg = pp.parsePackage(scanFile, 4163 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 4164 4165 if (pkg == null) { 4166 mLastScanError = pp.getParseError(); 4167 return null; 4168 } 4169 4170 PackageSetting ps = null; 4171 PackageSetting updatedPkg; 4172 // reader 4173 synchronized (mPackages) { 4174 // Look to see if we already know about this package. 4175 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4176 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4177 // This package has been renamed to its original name. Let's 4178 // use that. 4179 ps = mSettings.peekPackageLPr(oldName); 4180 } 4181 // If there was no original package, see one for the real package name. 4182 if (ps == null) { 4183 ps = mSettings.peekPackageLPr(pkg.packageName); 4184 } 4185 // Check to see if this package could be hiding/updating a system 4186 // package. Must look for it either under the original or real 4187 // package name depending on our state. 4188 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4189 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4190 } 4191 boolean updatedPkgBetter = false; 4192 // First check if this is a system package that may involve an update 4193 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4194 if (ps != null && !ps.codePath.equals(scanFile)) { 4195 // The path has changed from what was last scanned... check the 4196 // version of the new path against what we have stored to determine 4197 // what to do. 4198 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4199 if (pkg.mVersionCode < ps.versionCode) { 4200 // The system package has been updated and the code path does not match 4201 // Ignore entry. Skip it. 4202 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4203 + " ignored: updated version " + ps.versionCode 4204 + " better than this " + pkg.mVersionCode); 4205 if (!updatedPkg.codePath.equals(scanFile)) { 4206 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4207 + ps.name + " changing from " + updatedPkg.codePathString 4208 + " to " + scanFile); 4209 updatedPkg.codePath = scanFile; 4210 updatedPkg.codePathString = scanFile.toString(); 4211 // This is the point at which we know that the system-disk APK 4212 // for this package has moved during a reboot (e.g. due to an OTA), 4213 // so we need to reevaluate it for privilege policy. 4214 if (locationIsPrivileged(scanFile)) { 4215 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4216 } 4217 } 4218 updatedPkg.pkg = pkg; 4219 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4220 return null; 4221 } else { 4222 // The current app on the system partion is better than 4223 // what we have updated to on the data partition; switch 4224 // back to the system partition version. 4225 // At this point, its safely assumed that package installation for 4226 // apps in system partition will go through. If not there won't be a working 4227 // version of the app 4228 // writer 4229 synchronized (mPackages) { 4230 // Just remove the loaded entries from package lists. 4231 mPackages.remove(ps.name); 4232 } 4233 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4234 + "reverting from " + ps.codePathString 4235 + ": new version " + pkg.mVersionCode 4236 + " better than installed " + ps.versionCode); 4237 4238 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4239 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4240 getAppInstructionSetFromSettings(ps)); 4241 synchronized (mInstallLock) { 4242 args.cleanUpResourcesLI(); 4243 } 4244 synchronized (mPackages) { 4245 mSettings.enableSystemPackageLPw(ps.name); 4246 } 4247 updatedPkgBetter = true; 4248 } 4249 } 4250 } 4251 4252 if (updatedPkg != null) { 4253 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4254 // initially 4255 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4256 4257 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4258 // flag set initially 4259 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4260 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4261 } 4262 } 4263 // Verify certificates against what was last scanned 4264 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4265 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4266 return null; 4267 } 4268 4269 /* 4270 * A new system app appeared, but we already had a non-system one of the 4271 * same name installed earlier. 4272 */ 4273 boolean shouldHideSystemApp = false; 4274 if (updatedPkg == null && ps != null 4275 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4276 /* 4277 * Check to make sure the signatures match first. If they don't, 4278 * wipe the installed application and its data. 4279 */ 4280 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4281 != PackageManager.SIGNATURE_MATCH) { 4282 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4283 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4284 ps = null; 4285 } else { 4286 /* 4287 * If the newly-added system app is an older version than the 4288 * already installed version, hide it. It will be scanned later 4289 * and re-added like an update. 4290 */ 4291 if (pkg.mVersionCode < ps.versionCode) { 4292 shouldHideSystemApp = true; 4293 } else { 4294 /* 4295 * The newly found system app is a newer version that the 4296 * one previously installed. Simply remove the 4297 * already-installed application and replace it with our own 4298 * while keeping the application data. 4299 */ 4300 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4301 + ps.codePathString + ": new version " + pkg.mVersionCode 4302 + " better than installed " + ps.versionCode); 4303 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4304 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4305 getAppInstructionSetFromSettings(ps)); 4306 synchronized (mInstallLock) { 4307 args.cleanUpResourcesLI(); 4308 } 4309 } 4310 } 4311 } 4312 4313 // The apk is forward locked (not public) if its code and resources 4314 // are kept in different files. (except for app in either system or 4315 // vendor path). 4316 // TODO grab this value from PackageSettings 4317 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4318 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4319 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4320 } 4321 } 4322 4323 String codePath = null; 4324 String resPath = null; 4325 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4326 if (ps != null && ps.resourcePathString != null) { 4327 resPath = ps.resourcePathString; 4328 } else { 4329 // Should not happen at all. Just log an error. 4330 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4331 } 4332 } else { 4333 resPath = pkg.mScanPath; 4334 } 4335 4336 codePath = pkg.mScanPath; 4337 // Set application objects path explicitly. 4338 setApplicationInfoPaths(pkg, codePath, resPath); 4339 // Note that we invoke the following method only if we are about to unpack an application 4340 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4341 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4342 4343 /* 4344 * If the system app should be overridden by a previously installed 4345 * data, hide the system app now and let the /data/app scan pick it up 4346 * again. 4347 */ 4348 if (shouldHideSystemApp) { 4349 synchronized (mPackages) { 4350 /* 4351 * We have to grant systems permissions before we hide, because 4352 * grantPermissions will assume the package update is trying to 4353 * expand its permissions. 4354 */ 4355 grantPermissionsLPw(pkg, true); 4356 mSettings.disableSystemPackageLPw(pkg.packageName); 4357 } 4358 } 4359 4360 return scannedPkg; 4361 } 4362 4363 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4364 String destResPath) { 4365 pkg.mPath = pkg.mScanPath = destCodePath; 4366 pkg.applicationInfo.sourceDir = destCodePath; 4367 pkg.applicationInfo.publicSourceDir = destResPath; 4368 } 4369 4370 private static String fixProcessName(String defProcessName, 4371 String processName, int uid) { 4372 if (processName == null) { 4373 return defProcessName; 4374 } 4375 return processName; 4376 } 4377 4378 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4379 if (pkgSetting.signatures.mSignatures != null) { 4380 // Already existing package. Make sure signatures match 4381 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4382 == PackageManager.SIGNATURE_MATCH; 4383 if (!match) { 4384 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4385 == PackageManager.SIGNATURE_MATCH; 4386 } 4387 if (!match) { 4388 Slog.e(TAG, "Package " + pkg.packageName 4389 + " signatures do not match the previously installed version; ignoring!"); 4390 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4391 return false; 4392 } 4393 } 4394 // Check for shared user signatures 4395 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4396 // Already existing package. Make sure signatures match 4397 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4398 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4399 if (!match) { 4400 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4401 == PackageManager.SIGNATURE_MATCH; 4402 } 4403 if (!match) { 4404 Slog.e(TAG, "Package " + pkg.packageName 4405 + " has no signatures that match those in shared user " 4406 + pkgSetting.sharedUser.name + "; ignoring!"); 4407 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4408 return false; 4409 } 4410 } 4411 return true; 4412 } 4413 4414 /** 4415 * Enforces that only the system UID or root's UID can call a method exposed 4416 * via Binder. 4417 * 4418 * @param message used as message if SecurityException is thrown 4419 * @throws SecurityException if the caller is not system or root 4420 */ 4421 private static final void enforceSystemOrRoot(String message) { 4422 final int uid = Binder.getCallingUid(); 4423 if (uid != Process.SYSTEM_UID && uid != 0) { 4424 throw new SecurityException(message); 4425 } 4426 } 4427 4428 @Override 4429 public void performBootDexOpt() { 4430 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4431 4432 final HashSet<PackageParser.Package> pkgs; 4433 synchronized (mPackages) { 4434 pkgs = mDeferredDexOpt; 4435 mDeferredDexOpt = null; 4436 } 4437 4438 if (pkgs != null) { 4439 // Filter out packages that aren't recently used. 4440 // 4441 // The exception is first boot of a non-eng device, which 4442 // should do a full dexopt. 4443 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4444 if (eng || !isFirstBoot()) { 4445 // TODO: add a property to control this? 4446 long dexOptLRUThresholdInMinutes; 4447 if (eng) { 4448 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4449 } else { 4450 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4451 } 4452 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4453 4454 int total = pkgs.size(); 4455 int skipped = 0; 4456 long now = System.currentTimeMillis(); 4457 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4458 PackageParser.Package pkg = i.next(); 4459 long then = pkg.mLastPackageUsageTimeInMills; 4460 if (then + dexOptLRUThresholdInMills < now) { 4461 if (DEBUG_DEXOPT) { 4462 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4463 ((then == 0) ? "never" : new Date(then))); 4464 } 4465 i.remove(); 4466 skipped++; 4467 } 4468 } 4469 if (DEBUG_DEXOPT) { 4470 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4471 } 4472 } 4473 4474 int i = 0; 4475 for (PackageParser.Package pkg : pkgs) { 4476 i++; 4477 if (DEBUG_DEXOPT) { 4478 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4479 + ": " + pkg.packageName); 4480 } 4481 if (!isFirstBoot()) { 4482 try { 4483 ActivityManagerNative.getDefault().showBootMessage( 4484 mContext.getResources().getString( 4485 R.string.android_upgrading_apk, 4486 i, pkgs.size()), true); 4487 } catch (RemoteException e) { 4488 } 4489 } 4490 PackageParser.Package p = pkg; 4491 synchronized (mInstallLock) { 4492 if (p.mDexOptNeeded) { 4493 performDexOptLI(p, false /* force dex */, false /* defer */, 4494 true /* include dependencies */); 4495 } 4496 } 4497 } 4498 } 4499 } 4500 4501 @Override 4502 public boolean performDexOpt(String packageName) { 4503 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4504 4505 PackageParser.Package p; 4506 synchronized (mPackages) { 4507 p = mPackages.get(packageName); 4508 if (p == null) { 4509 return false; 4510 } 4511 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4512 mPackageUsage.write(); 4513 if (!p.mDexOptNeeded) { 4514 return false; 4515 } 4516 } 4517 4518 synchronized (mInstallLock) { 4519 return performDexOptLI(p, false /* force dex */, false /* defer */, 4520 true /* include dependencies */) == DEX_OPT_PERFORMED; 4521 } 4522 } 4523 4524 public void shutdown() { 4525 mPackageUsage.write(true); 4526 } 4527 4528 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4529 boolean forceDex, boolean defer, HashSet<String> done) { 4530 for (int i=0; i<libs.size(); i++) { 4531 PackageParser.Package libPkg; 4532 String libName; 4533 synchronized (mPackages) { 4534 libName = libs.get(i); 4535 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4536 if (lib != null && lib.apk != null) { 4537 libPkg = mPackages.get(lib.apk); 4538 } else { 4539 libPkg = null; 4540 } 4541 } 4542 if (libPkg != null && !done.contains(libName)) { 4543 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4544 } 4545 } 4546 } 4547 4548 static final int DEX_OPT_SKIPPED = 0; 4549 static final int DEX_OPT_PERFORMED = 1; 4550 static final int DEX_OPT_DEFERRED = 2; 4551 static final int DEX_OPT_FAILED = -1; 4552 4553 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4554 boolean forceDex, boolean defer, HashSet<String> done) { 4555 final String instructionSet = instructionSetOverride != null ? 4556 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4557 4558 if (done != null) { 4559 done.add(pkg.packageName); 4560 if (pkg.usesLibraries != null) { 4561 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4562 } 4563 if (pkg.usesOptionalLibraries != null) { 4564 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4565 } 4566 } 4567 4568 boolean performed = false; 4569 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4570 String path = pkg.mScanPath; 4571 try { 4572 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4573 pkg.packageName, 4574 instructionSet, 4575 defer); 4576 // There are three basic cases here: 4577 // 1.) we need to dexopt, either because we are forced or it is needed 4578 // 2.) we are defering a needed dexopt 4579 // 3.) we are skipping an unneeded dexopt 4580 if (forceDex || (!defer && isDexOptNeededInternal)) { 4581 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4582 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4583 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4584 pkg.packageName, instructionSet); 4585 // Note that we ran dexopt, since rerunning will 4586 // probably just result in an error again. 4587 pkg.mDexOptNeeded = false; 4588 if (ret < 0) { 4589 return DEX_OPT_FAILED; 4590 } 4591 return DEX_OPT_PERFORMED; 4592 } 4593 if (defer && isDexOptNeededInternal) { 4594 if (mDeferredDexOpt == null) { 4595 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4596 } 4597 mDeferredDexOpt.add(pkg); 4598 return DEX_OPT_DEFERRED; 4599 } 4600 pkg.mDexOptNeeded = false; 4601 return DEX_OPT_SKIPPED; 4602 } catch (FileNotFoundException e) { 4603 Slog.w(TAG, "Apk not found for dexopt: " + path); 4604 return DEX_OPT_FAILED; 4605 } catch (IOException e) { 4606 Slog.w(TAG, "IOException reading apk: " + path, e); 4607 return DEX_OPT_FAILED; 4608 } catch (StaleDexCacheError e) { 4609 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4610 return DEX_OPT_FAILED; 4611 } catch (Exception e) { 4612 Slog.w(TAG, "Exception when doing dexopt : ", e); 4613 return DEX_OPT_FAILED; 4614 } 4615 } 4616 return DEX_OPT_SKIPPED; 4617 } 4618 4619 private String getAppInstructionSet(ApplicationInfo info) { 4620 String instructionSet = getPreferredInstructionSet(); 4621 4622 if (info.requiredCpuAbi != null) { 4623 instructionSet = VMRuntime.getInstructionSet(info.requiredCpuAbi); 4624 } 4625 4626 return instructionSet; 4627 } 4628 4629 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4630 String instructionSet = getPreferredInstructionSet(); 4631 4632 if (ps.requiredCpuAbiString != null) { 4633 instructionSet = VMRuntime.getInstructionSet(ps.requiredCpuAbiString); 4634 } 4635 4636 return instructionSet; 4637 } 4638 4639 private static String getPreferredInstructionSet() { 4640 if (sPreferredInstructionSet == null) { 4641 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4642 } 4643 4644 return sPreferredInstructionSet; 4645 } 4646 4647 private static List<String> getAllInstructionSets() { 4648 final String[] allAbis = Build.SUPPORTED_ABIS; 4649 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4650 4651 for (String abi : allAbis) { 4652 final String instructionSet = VMRuntime.getInstructionSet(abi); 4653 if (!allInstructionSets.contains(instructionSet)) { 4654 allInstructionSets.add(instructionSet); 4655 } 4656 } 4657 4658 return allInstructionSets; 4659 } 4660 4661 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4662 boolean inclDependencies) { 4663 HashSet<String> done; 4664 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4665 done = new HashSet<String>(); 4666 done.add(pkg.packageName); 4667 } else { 4668 done = null; 4669 } 4670 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4671 } 4672 4673 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4674 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4675 Slog.w(TAG, "Unable to update from " + oldPkg.name 4676 + " to " + newPkg.packageName 4677 + ": old package not in system partition"); 4678 return false; 4679 } else if (mPackages.get(oldPkg.name) != null) { 4680 Slog.w(TAG, "Unable to update from " + oldPkg.name 4681 + " to " + newPkg.packageName 4682 + ": old package still exists"); 4683 return false; 4684 } 4685 return true; 4686 } 4687 4688 File getDataPathForUser(int userId) { 4689 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4690 } 4691 4692 private File getDataPathForPackage(String packageName, int userId) { 4693 /* 4694 * Until we fully support multiple users, return the directory we 4695 * previously would have. The PackageManagerTests will need to be 4696 * revised when this is changed back.. 4697 */ 4698 if (userId == 0) { 4699 return new File(mAppDataDir, packageName); 4700 } else { 4701 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4702 + File.separator + packageName); 4703 } 4704 } 4705 4706 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4707 int[] users = sUserManager.getUserIds(); 4708 int res = mInstaller.install(packageName, uid, uid, seinfo); 4709 if (res < 0) { 4710 return res; 4711 } 4712 for (int user : users) { 4713 if (user != 0) { 4714 res = mInstaller.createUserData(packageName, 4715 UserHandle.getUid(user, uid), user, seinfo); 4716 if (res < 0) { 4717 return res; 4718 } 4719 } 4720 } 4721 return res; 4722 } 4723 4724 private int removeDataDirsLI(String packageName) { 4725 int[] users = sUserManager.getUserIds(); 4726 int res = 0; 4727 for (int user : users) { 4728 int resInner = mInstaller.remove(packageName, user); 4729 if (resInner < 0) { 4730 res = resInner; 4731 } 4732 } 4733 4734 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4735 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4736 if (!nativeLibraryFile.delete()) { 4737 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4738 } 4739 4740 return res; 4741 } 4742 4743 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4744 PackageParser.Package changingLib) { 4745 if (file.path != null) { 4746 mTmpSharedLibraries[num] = file.path; 4747 return num+1; 4748 } 4749 PackageParser.Package p = mPackages.get(file.apk); 4750 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4751 // If we are doing this while in the middle of updating a library apk, 4752 // then we need to make sure to use that new apk for determining the 4753 // dependencies here. (We haven't yet finished committing the new apk 4754 // to the package manager state.) 4755 if (p == null || p.packageName.equals(changingLib.packageName)) { 4756 p = changingLib; 4757 } 4758 } 4759 if (p != null) { 4760 String path = p.mPath; 4761 for (int i=0; i<num; i++) { 4762 if (mTmpSharedLibraries[i].equals(path)) { 4763 return num; 4764 } 4765 } 4766 mTmpSharedLibraries[num] = p.mPath; 4767 return num+1; 4768 } 4769 return num; 4770 } 4771 4772 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4773 PackageParser.Package changingLib) { 4774 // We might be upgrading from a version of the platform that did not 4775 // provide per-package native library directories for system apps. 4776 // Fix that up here. 4777 if (isSystemApp(pkg)) { 4778 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4779 setInternalAppNativeLibraryPath(pkg, ps); 4780 } 4781 4782 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4783 if (mTmpSharedLibraries == null || 4784 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4785 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4786 } 4787 int num = 0; 4788 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4789 for (int i=0; i<N; i++) { 4790 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4791 if (file == null) { 4792 Slog.e(TAG, "Package " + pkg.packageName 4793 + " requires unavailable shared library " 4794 + pkg.usesLibraries.get(i) + "; failing!"); 4795 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4796 return false; 4797 } 4798 num = addSharedLibraryLPw(file, num, changingLib); 4799 } 4800 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4801 for (int i=0; i<N; i++) { 4802 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4803 if (file == null) { 4804 Slog.w(TAG, "Package " + pkg.packageName 4805 + " desires unavailable shared library " 4806 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4807 } else { 4808 num = addSharedLibraryLPw(file, num, changingLib); 4809 } 4810 } 4811 if (num > 0) { 4812 pkg.usesLibraryFiles = new String[num]; 4813 System.arraycopy(mTmpSharedLibraries, 0, 4814 pkg.usesLibraryFiles, 0, num); 4815 } else { 4816 pkg.usesLibraryFiles = null; 4817 } 4818 } 4819 return true; 4820 } 4821 4822 private static boolean hasString(List<String> list, List<String> which) { 4823 if (list == null) { 4824 return false; 4825 } 4826 for (int i=list.size()-1; i>=0; i--) { 4827 for (int j=which.size()-1; j>=0; j--) { 4828 if (which.get(j).equals(list.get(i))) { 4829 return true; 4830 } 4831 } 4832 } 4833 return false; 4834 } 4835 4836 private void updateAllSharedLibrariesLPw() { 4837 for (PackageParser.Package pkg : mPackages.values()) { 4838 updateSharedLibrariesLPw(pkg, null); 4839 } 4840 } 4841 4842 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4843 PackageParser.Package changingPkg) { 4844 ArrayList<PackageParser.Package> res = null; 4845 for (PackageParser.Package pkg : mPackages.values()) { 4846 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4847 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4848 if (res == null) { 4849 res = new ArrayList<PackageParser.Package>(); 4850 } 4851 res.add(pkg); 4852 updateSharedLibrariesLPw(pkg, changingPkg); 4853 } 4854 } 4855 return res; 4856 } 4857 4858 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4859 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4860 File scanFile = new File(pkg.mScanPath); 4861 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4862 pkg.applicationInfo.publicSourceDir == null) { 4863 // Bail out. The resource and code paths haven't been set. 4864 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4865 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4866 return null; 4867 } 4868 4869 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4870 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4871 } 4872 4873 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4874 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4875 } 4876 4877 if (mCustomResolverComponentName != null && 4878 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4879 setUpCustomResolverActivity(pkg); 4880 } 4881 4882 if (pkg.packageName.equals("android")) { 4883 synchronized (mPackages) { 4884 if (mAndroidApplication != null) { 4885 Slog.w(TAG, "*************************************************"); 4886 Slog.w(TAG, "Core android package being redefined. Skipping."); 4887 Slog.w(TAG, " file=" + scanFile); 4888 Slog.w(TAG, "*************************************************"); 4889 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4890 return null; 4891 } 4892 4893 // Set up information for our fall-back user intent resolution activity. 4894 mPlatformPackage = pkg; 4895 pkg.mVersionCode = mSdkVersion; 4896 mAndroidApplication = pkg.applicationInfo; 4897 4898 if (!mResolverReplaced) { 4899 mResolveActivity.applicationInfo = mAndroidApplication; 4900 mResolveActivity.name = ResolverActivity.class.getName(); 4901 mResolveActivity.packageName = mAndroidApplication.packageName; 4902 mResolveActivity.processName = "system:ui"; 4903 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4904 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4905 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4906 mResolveActivity.exported = true; 4907 mResolveActivity.enabled = true; 4908 mResolveInfo.activityInfo = mResolveActivity; 4909 mResolveInfo.priority = 0; 4910 mResolveInfo.preferredOrder = 0; 4911 mResolveInfo.match = 0; 4912 mResolveComponentName = new ComponentName( 4913 mAndroidApplication.packageName, mResolveActivity.name); 4914 } 4915 } 4916 } 4917 4918 if (DEBUG_PACKAGE_SCANNING) { 4919 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4920 Log.d(TAG, "Scanning package " + pkg.packageName); 4921 } 4922 4923 if (mPackages.containsKey(pkg.packageName) 4924 || mSharedLibraries.containsKey(pkg.packageName)) { 4925 Slog.w(TAG, "Application package " + pkg.packageName 4926 + " already installed. Skipping duplicate."); 4927 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4928 return null; 4929 } 4930 4931 // Initialize package source and resource directories 4932 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4933 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4934 4935 SharedUserSetting suid = null; 4936 PackageSetting pkgSetting = null; 4937 4938 if (!isSystemApp(pkg)) { 4939 // Only system apps can use these features. 4940 pkg.mOriginalPackages = null; 4941 pkg.mRealPackage = null; 4942 pkg.mAdoptPermissions = null; 4943 } 4944 4945 // writer 4946 synchronized (mPackages) { 4947 if (pkg.mSharedUserId != null) { 4948 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4949 if (suid == null) { 4950 Slog.w(TAG, "Creating application package " + pkg.packageName 4951 + " for shared user failed"); 4952 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4953 return null; 4954 } 4955 if (DEBUG_PACKAGE_SCANNING) { 4956 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4957 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4958 + "): packages=" + suid.packages); 4959 } 4960 } 4961 4962 // Check if we are renaming from an original package name. 4963 PackageSetting origPackage = null; 4964 String realName = null; 4965 if (pkg.mOriginalPackages != null) { 4966 // This package may need to be renamed to a previously 4967 // installed name. Let's check on that... 4968 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4969 if (pkg.mOriginalPackages.contains(renamed)) { 4970 // This package had originally been installed as the 4971 // original name, and we have already taken care of 4972 // transitioning to the new one. Just update the new 4973 // one to continue using the old name. 4974 realName = pkg.mRealPackage; 4975 if (!pkg.packageName.equals(renamed)) { 4976 // Callers into this function may have already taken 4977 // care of renaming the package; only do it here if 4978 // it is not already done. 4979 pkg.setPackageName(renamed); 4980 } 4981 4982 } else { 4983 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4984 if ((origPackage = mSettings.peekPackageLPr( 4985 pkg.mOriginalPackages.get(i))) != null) { 4986 // We do have the package already installed under its 4987 // original name... should we use it? 4988 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4989 // New package is not compatible with original. 4990 origPackage = null; 4991 continue; 4992 } else if (origPackage.sharedUser != null) { 4993 // Make sure uid is compatible between packages. 4994 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4995 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4996 + " to " + pkg.packageName + ": old uid " 4997 + origPackage.sharedUser.name 4998 + " differs from " + pkg.mSharedUserId); 4999 origPackage = null; 5000 continue; 5001 } 5002 } else { 5003 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5004 + pkg.packageName + " to old name " + origPackage.name); 5005 } 5006 break; 5007 } 5008 } 5009 } 5010 } 5011 5012 if (mTransferedPackages.contains(pkg.packageName)) { 5013 Slog.w(TAG, "Package " + pkg.packageName 5014 + " was transferred to another, but its .apk remains"); 5015 } 5016 5017 // Just create the setting, don't add it yet. For already existing packages 5018 // the PkgSetting exists already and doesn't have to be created. 5019 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5020 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 5021 pkg.applicationInfo.requiredCpuAbi, 5022 pkg.applicationInfo.flags, user, false); 5023 if (pkgSetting == null) { 5024 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5025 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5026 return null; 5027 } 5028 5029 if (pkgSetting.origPackage != null) { 5030 // If we are first transitioning from an original package, 5031 // fix up the new package's name now. We need to do this after 5032 // looking up the package under its new name, so getPackageLP 5033 // can take care of fiddling things correctly. 5034 pkg.setPackageName(origPackage.name); 5035 5036 // File a report about this. 5037 String msg = "New package " + pkgSetting.realName 5038 + " renamed to replace old package " + pkgSetting.name; 5039 reportSettingsProblem(Log.WARN, msg); 5040 5041 // Make a note of it. 5042 mTransferedPackages.add(origPackage.name); 5043 5044 // No longer need to retain this. 5045 pkgSetting.origPackage = null; 5046 } 5047 5048 if (realName != null) { 5049 // Make a note of it. 5050 mTransferedPackages.add(pkg.packageName); 5051 } 5052 5053 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5054 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5055 } 5056 5057 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5058 // Check all shared libraries and map to their actual file path. 5059 // We only do this here for apps not on a system dir, because those 5060 // are the only ones that can fail an install due to this. We 5061 // will take care of the system apps by updating all of their 5062 // library paths after the scan is done. 5063 if (!updateSharedLibrariesLPw(pkg, null)) { 5064 return null; 5065 } 5066 } 5067 5068 if (mFoundPolicyFile) { 5069 SELinuxMMAC.assignSeinfoValue(pkg); 5070 } 5071 5072 pkg.applicationInfo.uid = pkgSetting.appId; 5073 pkg.mExtras = pkgSetting; 5074 5075 if (!verifySignaturesLP(pkgSetting, pkg)) { 5076 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5077 return null; 5078 } 5079 // The signature has changed, but this package is in the system 5080 // image... let's recover! 5081 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5082 // However... if this package is part of a shared user, but it 5083 // doesn't match the signature of the shared user, let's fail. 5084 // What this means is that you can't change the signatures 5085 // associated with an overall shared user, which doesn't seem all 5086 // that unreasonable. 5087 if (pkgSetting.sharedUser != null) { 5088 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5089 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5090 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5091 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5092 return null; 5093 } 5094 } 5095 // File a report about this. 5096 String msg = "System package " + pkg.packageName 5097 + " signature changed; retaining data."; 5098 reportSettingsProblem(Log.WARN, msg); 5099 } 5100 5101 // Verify that this new package doesn't have any content providers 5102 // that conflict with existing packages. Only do this if the 5103 // package isn't already installed, since we don't want to break 5104 // things that are installed. 5105 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5106 final int N = pkg.providers.size(); 5107 int i; 5108 for (i=0; i<N; i++) { 5109 PackageParser.Provider p = pkg.providers.get(i); 5110 if (p.info.authority != null) { 5111 String names[] = p.info.authority.split(";"); 5112 for (int j = 0; j < names.length; j++) { 5113 if (mProvidersByAuthority.containsKey(names[j])) { 5114 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5115 Slog.w(TAG, "Can't install because provider name " + names[j] + 5116 " (in package " + pkg.applicationInfo.packageName + 5117 ") is already used by " 5118 + ((other != null && other.getComponentName() != null) 5119 ? other.getComponentName().getPackageName() : "?")); 5120 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5121 return null; 5122 } 5123 } 5124 } 5125 } 5126 } 5127 5128 if (pkg.mAdoptPermissions != null) { 5129 // This package wants to adopt ownership of permissions from 5130 // another package. 5131 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5132 final String origName = pkg.mAdoptPermissions.get(i); 5133 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5134 if (orig != null) { 5135 if (verifyPackageUpdateLPr(orig, pkg)) { 5136 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5137 + pkg.packageName); 5138 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5139 } 5140 } 5141 } 5142 } 5143 } 5144 5145 final String pkgName = pkg.packageName; 5146 5147 final long scanFileTime = scanFile.lastModified(); 5148 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5149 pkg.applicationInfo.processName = fixProcessName( 5150 pkg.applicationInfo.packageName, 5151 pkg.applicationInfo.processName, 5152 pkg.applicationInfo.uid); 5153 5154 File dataPath; 5155 if (mPlatformPackage == pkg) { 5156 // The system package is special. 5157 dataPath = new File (Environment.getDataDirectory(), "system"); 5158 pkg.applicationInfo.dataDir = dataPath.getPath(); 5159 } else { 5160 // This is a normal package, need to make its data directory. 5161 dataPath = getDataPathForPackage(pkg.packageName, 0); 5162 5163 boolean uidError = false; 5164 5165 if (dataPath.exists()) { 5166 int currentUid = 0; 5167 try { 5168 StructStat stat = Os.stat(dataPath.getPath()); 5169 currentUid = stat.st_uid; 5170 } catch (ErrnoException e) { 5171 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5172 } 5173 5174 // If we have mismatched owners for the data path, we have a problem. 5175 if (currentUid != pkg.applicationInfo.uid) { 5176 boolean recovered = false; 5177 if (currentUid == 0) { 5178 // The directory somehow became owned by root. Wow. 5179 // This is probably because the system was stopped while 5180 // installd was in the middle of messing with its libs 5181 // directory. Ask installd to fix that. 5182 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5183 pkg.applicationInfo.uid); 5184 if (ret >= 0) { 5185 recovered = true; 5186 String msg = "Package " + pkg.packageName 5187 + " unexpectedly changed to uid 0; recovered to " + 5188 + pkg.applicationInfo.uid; 5189 reportSettingsProblem(Log.WARN, msg); 5190 } 5191 } 5192 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5193 || (scanMode&SCAN_BOOTING) != 0)) { 5194 // If this is a system app, we can at least delete its 5195 // current data so the application will still work. 5196 int ret = removeDataDirsLI(pkgName); 5197 if (ret >= 0) { 5198 // TODO: Kill the processes first 5199 // Old data gone! 5200 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5201 ? "System package " : "Third party package "; 5202 String msg = prefix + pkg.packageName 5203 + " has changed from uid: " 5204 + currentUid + " to " 5205 + pkg.applicationInfo.uid + "; old data erased"; 5206 reportSettingsProblem(Log.WARN, msg); 5207 recovered = true; 5208 5209 // And now re-install the app. 5210 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5211 pkg.applicationInfo.seinfo); 5212 if (ret == -1) { 5213 // Ack should not happen! 5214 msg = prefix + pkg.packageName 5215 + " could not have data directory re-created after delete."; 5216 reportSettingsProblem(Log.WARN, msg); 5217 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5218 return null; 5219 } 5220 } 5221 if (!recovered) { 5222 mHasSystemUidErrors = true; 5223 } 5224 } else if (!recovered) { 5225 // If we allow this install to proceed, we will be broken. 5226 // Abort, abort! 5227 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5228 return null; 5229 } 5230 if (!recovered) { 5231 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5232 + pkg.applicationInfo.uid + "/fs_" 5233 + currentUid; 5234 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5235 String msg = "Package " + pkg.packageName 5236 + " has mismatched uid: " 5237 + currentUid + " on disk, " 5238 + pkg.applicationInfo.uid + " in settings"; 5239 // writer 5240 synchronized (mPackages) { 5241 mSettings.mReadMessages.append(msg); 5242 mSettings.mReadMessages.append('\n'); 5243 uidError = true; 5244 if (!pkgSetting.uidError) { 5245 reportSettingsProblem(Log.ERROR, msg); 5246 } 5247 } 5248 } 5249 } 5250 pkg.applicationInfo.dataDir = dataPath.getPath(); 5251 if (mShouldRestoreconData) { 5252 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5253 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5254 pkg.applicationInfo.uid); 5255 } 5256 } else { 5257 if (DEBUG_PACKAGE_SCANNING) { 5258 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5259 Log.v(TAG, "Want this data dir: " + dataPath); 5260 } 5261 //invoke installer to do the actual installation 5262 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5263 pkg.applicationInfo.seinfo); 5264 if (ret < 0) { 5265 // Error from installer 5266 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5267 return null; 5268 } 5269 5270 if (dataPath.exists()) { 5271 pkg.applicationInfo.dataDir = dataPath.getPath(); 5272 } else { 5273 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5274 pkg.applicationInfo.dataDir = null; 5275 } 5276 } 5277 5278 /* 5279 * Set the data dir to the default "/data/data/<package name>/lib" 5280 * if we got here without anyone telling us different (e.g., apps 5281 * stored on SD card have their native libraries stored in the ASEC 5282 * container with the APK). 5283 * 5284 * This happens during an upgrade from a package settings file that 5285 * doesn't have a native library path attribute at all. 5286 */ 5287 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5288 if (pkgSetting.nativeLibraryPathString == null) { 5289 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5290 } else { 5291 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5292 } 5293 } 5294 pkgSetting.uidError = uidError; 5295 } 5296 5297 String path = scanFile.getPath(); 5298 /* Note: We don't want to unpack the native binaries for 5299 * system applications, unless they have been updated 5300 * (the binaries are already under /system/lib). 5301 * Also, don't unpack libs for apps on the external card 5302 * since they should have their libraries in the ASEC 5303 * container already. 5304 * 5305 * In other words, we're going to unpack the binaries 5306 * only for non-system apps and system app upgrades. 5307 */ 5308 if (pkg.applicationInfo.nativeLibraryDir != null) { 5309 try { 5310 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5311 final String dataPathString = dataPath.getCanonicalPath(); 5312 5313 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5314 /* 5315 * Upgrading from a previous version of the OS sometimes 5316 * leaves native libraries in the /data/data/<app>/lib 5317 * directory for system apps even when they shouldn't be. 5318 * Recent changes in the JNI library search path 5319 * necessitates we remove those to match previous behavior. 5320 */ 5321 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5322 Log.i(TAG, "removed obsolete native libraries for system package " 5323 + path); 5324 } 5325 5326 setInternalAppAbi(pkg, pkgSetting); 5327 } else { 5328 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5329 /* 5330 * Update native library dir if it starts with 5331 * /data/data 5332 */ 5333 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5334 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5335 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5336 } 5337 5338 try { 5339 int copyRet = copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir); 5340 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5341 Slog.e(TAG, "Unable to copy native libraries"); 5342 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5343 return null; 5344 } 5345 5346 // We've successfully copied native libraries across, so we make a 5347 // note of what ABI we're using 5348 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5349 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[copyRet]; 5350 } else { 5351 pkg.applicationInfo.requiredCpuAbi = null; 5352 } 5353 } catch (IOException e) { 5354 Slog.e(TAG, "Unable to copy native libraries", e); 5355 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5356 return null; 5357 } 5358 } else { 5359 // We don't have to copy the shared libraries if we're in the ASEC container 5360 // but we still need to scan the file to figure out what ABI the app needs. 5361 // 5362 // TODO: This duplicates work done in the default container service. It's possible 5363 // to clean this up but we'll need to change the interface between this service 5364 // and IMediaContainerService (but doing so will spread this logic out, rather 5365 // than centralizing it). 5366 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5367 final int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5368 if (abi >= 0) { 5369 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[abi]; 5370 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5371 // Note that (non upgraded) system apps will not have any native 5372 // libraries bundled in their APK, but we're guaranteed not to be 5373 // such an app at this point. 5374 pkg.applicationInfo.requiredCpuAbi = null; 5375 } else { 5376 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5377 return null; 5378 } 5379 handle.close(); 5380 } 5381 5382 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5383 final int[] userIds = sUserManager.getUserIds(); 5384 synchronized (mInstallLock) { 5385 for (int userId : userIds) { 5386 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5387 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5388 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5389 + ")"); 5390 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5391 return null; 5392 } 5393 } 5394 } 5395 } 5396 } catch (IOException ioe) { 5397 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5398 } 5399 } 5400 pkg.mScanPath = path; 5401 5402 if ((scanMode&SCAN_NO_DEX) == 0) { 5403 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5404 == DEX_OPT_FAILED) { 5405 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5406 removeDataDirsLI(pkg.packageName); 5407 } 5408 5409 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5410 return null; 5411 } 5412 } 5413 5414 if (mFactoryTest && pkg.requestedPermissions.contains( 5415 android.Manifest.permission.FACTORY_TEST)) { 5416 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5417 } 5418 5419 ArrayList<PackageParser.Package> clientLibPkgs = null; 5420 5421 // writer 5422 synchronized (mPackages) { 5423 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5424 // Only system apps can add new shared libraries. 5425 if (pkg.libraryNames != null) { 5426 for (int i=0; i<pkg.libraryNames.size(); i++) { 5427 String name = pkg.libraryNames.get(i); 5428 boolean allowed = false; 5429 if (isUpdatedSystemApp(pkg)) { 5430 // New library entries can only be added through the 5431 // system image. This is important to get rid of a lot 5432 // of nasty edge cases: for example if we allowed a non- 5433 // system update of the app to add a library, then uninstalling 5434 // the update would make the library go away, and assumptions 5435 // we made such as through app install filtering would now 5436 // have allowed apps on the device which aren't compatible 5437 // with it. Better to just have the restriction here, be 5438 // conservative, and create many fewer cases that can negatively 5439 // impact the user experience. 5440 final PackageSetting sysPs = mSettings 5441 .getDisabledSystemPkgLPr(pkg.packageName); 5442 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5443 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5444 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5445 allowed = true; 5446 allowed = true; 5447 break; 5448 } 5449 } 5450 } 5451 } else { 5452 allowed = true; 5453 } 5454 if (allowed) { 5455 if (!mSharedLibraries.containsKey(name)) { 5456 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5457 } else if (!name.equals(pkg.packageName)) { 5458 Slog.w(TAG, "Package " + pkg.packageName + " library " 5459 + name + " already exists; skipping"); 5460 } 5461 } else { 5462 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5463 + name + " that is not declared on system image; skipping"); 5464 } 5465 } 5466 if ((scanMode&SCAN_BOOTING) == 0) { 5467 // If we are not booting, we need to update any applications 5468 // that are clients of our shared library. If we are booting, 5469 // this will all be done once the scan is complete. 5470 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5471 } 5472 } 5473 } 5474 } 5475 5476 // We also need to dexopt any apps that are dependent on this library. Note that 5477 // if these fail, we should abort the install since installing the library will 5478 // result in some apps being broken. 5479 if (clientLibPkgs != null) { 5480 if ((scanMode&SCAN_NO_DEX) == 0) { 5481 for (int i=0; i<clientLibPkgs.size(); i++) { 5482 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5483 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5484 == DEX_OPT_FAILED) { 5485 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5486 removeDataDirsLI(pkg.packageName); 5487 } 5488 5489 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5490 return null; 5491 } 5492 } 5493 } 5494 } 5495 5496 // Request the ActivityManager to kill the process(only for existing packages) 5497 // so that we do not end up in a confused state while the user is still using the older 5498 // version of the application while the new one gets installed. 5499 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5500 // If the package lives in an asec, tell everyone that the container is going 5501 // away so they can clean up any references to its resources (which would prevent 5502 // vold from being able to unmount the asec) 5503 if (isForwardLocked(pkg) || isExternal(pkg)) { 5504 if (DEBUG_INSTALL) { 5505 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5506 } 5507 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5508 final ArrayList<String> pkgList = new ArrayList<String>(1); 5509 pkgList.add(pkg.applicationInfo.packageName); 5510 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5511 } 5512 5513 // Post the request that it be killed now that the going-away broadcast is en route 5514 killApplication(pkg.applicationInfo.packageName, 5515 pkg.applicationInfo.uid, "update pkg"); 5516 } 5517 5518 // Also need to kill any apps that are dependent on the library. 5519 if (clientLibPkgs != null) { 5520 for (int i=0; i<clientLibPkgs.size(); i++) { 5521 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5522 killApplication(clientPkg.applicationInfo.packageName, 5523 clientPkg.applicationInfo.uid, "update lib"); 5524 } 5525 } 5526 5527 // writer 5528 synchronized (mPackages) { 5529 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5530 // We don't do this here during boot because we can do it all 5531 // at once after scanning all existing packages. 5532 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5533 true, forceDex, (scanMode & SCAN_DEFER_DEX) != 0); 5534 } 5535 // We don't expect installation to fail beyond this point, 5536 if ((scanMode&SCAN_MONITOR) != 0) { 5537 mAppDirs.put(pkg.mPath, pkg); 5538 } 5539 // Add the new setting to mSettings 5540 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5541 // Add the new setting to mPackages 5542 mPackages.put(pkg.applicationInfo.packageName, pkg); 5543 // Make sure we don't accidentally delete its data. 5544 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5545 while (iter.hasNext()) { 5546 PackageCleanItem item = iter.next(); 5547 if (pkgName.equals(item.packageName)) { 5548 iter.remove(); 5549 } 5550 } 5551 5552 // Take care of first install / last update times. 5553 if (currentTime != 0) { 5554 if (pkgSetting.firstInstallTime == 0) { 5555 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5556 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5557 pkgSetting.lastUpdateTime = currentTime; 5558 } 5559 } else if (pkgSetting.firstInstallTime == 0) { 5560 // We need *something*. Take time time stamp of the file. 5561 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5562 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5563 if (scanFileTime != pkgSetting.timeStamp) { 5564 // A package on the system image has changed; consider this 5565 // to be an update. 5566 pkgSetting.lastUpdateTime = scanFileTime; 5567 } 5568 } 5569 5570 // Add the package's KeySets to the global KeySetManager 5571 KeySetManager ksm = mSettings.mKeySetManager; 5572 try { 5573 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5574 if (pkg.mKeySetMapping != null) { 5575 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5576 if (entry.getValue() != null) { 5577 ksm.addDefinedKeySetToPackage(pkg.packageName, 5578 entry.getValue(), entry.getKey()); 5579 } 5580 } 5581 } 5582 } catch (NullPointerException e) { 5583 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5584 } catch (IllegalArgumentException e) { 5585 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5586 } 5587 5588 int N = pkg.providers.size(); 5589 StringBuilder r = null; 5590 int i; 5591 for (i=0; i<N; i++) { 5592 PackageParser.Provider p = pkg.providers.get(i); 5593 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5594 p.info.processName, pkg.applicationInfo.uid); 5595 mProviders.addProvider(p); 5596 p.syncable = p.info.isSyncable; 5597 if (p.info.authority != null) { 5598 String names[] = p.info.authority.split(";"); 5599 p.info.authority = null; 5600 for (int j = 0; j < names.length; j++) { 5601 if (j == 1 && p.syncable) { 5602 // We only want the first authority for a provider to possibly be 5603 // syncable, so if we already added this provider using a different 5604 // authority clear the syncable flag. We copy the provider before 5605 // changing it because the mProviders object contains a reference 5606 // to a provider that we don't want to change. 5607 // Only do this for the second authority since the resulting provider 5608 // object can be the same for all future authorities for this provider. 5609 p = new PackageParser.Provider(p); 5610 p.syncable = false; 5611 } 5612 if (!mProvidersByAuthority.containsKey(names[j])) { 5613 mProvidersByAuthority.put(names[j], p); 5614 if (p.info.authority == null) { 5615 p.info.authority = names[j]; 5616 } else { 5617 p.info.authority = p.info.authority + ";" + names[j]; 5618 } 5619 if (DEBUG_PACKAGE_SCANNING) { 5620 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5621 Log.d(TAG, "Registered content provider: " + names[j] 5622 + ", className = " + p.info.name + ", isSyncable = " 5623 + p.info.isSyncable); 5624 } 5625 } else { 5626 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5627 Slog.w(TAG, "Skipping provider name " + names[j] + 5628 " (in package " + pkg.applicationInfo.packageName + 5629 "): name already used by " 5630 + ((other != null && other.getComponentName() != null) 5631 ? other.getComponentName().getPackageName() : "?")); 5632 } 5633 } 5634 } 5635 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5636 if (r == null) { 5637 r = new StringBuilder(256); 5638 } else { 5639 r.append(' '); 5640 } 5641 r.append(p.info.name); 5642 } 5643 } 5644 if (r != null) { 5645 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5646 } 5647 5648 N = pkg.services.size(); 5649 r = null; 5650 for (i=0; i<N; i++) { 5651 PackageParser.Service s = pkg.services.get(i); 5652 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5653 s.info.processName, pkg.applicationInfo.uid); 5654 mServices.addService(s); 5655 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5656 if (r == null) { 5657 r = new StringBuilder(256); 5658 } else { 5659 r.append(' '); 5660 } 5661 r.append(s.info.name); 5662 } 5663 } 5664 if (r != null) { 5665 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5666 } 5667 5668 N = pkg.receivers.size(); 5669 r = null; 5670 for (i=0; i<N; i++) { 5671 PackageParser.Activity a = pkg.receivers.get(i); 5672 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5673 a.info.processName, pkg.applicationInfo.uid); 5674 mReceivers.addActivity(a, "receiver"); 5675 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5676 if (r == null) { 5677 r = new StringBuilder(256); 5678 } else { 5679 r.append(' '); 5680 } 5681 r.append(a.info.name); 5682 } 5683 } 5684 if (r != null) { 5685 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5686 } 5687 5688 N = pkg.activities.size(); 5689 r = null; 5690 for (i=0; i<N; i++) { 5691 PackageParser.Activity a = pkg.activities.get(i); 5692 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5693 a.info.processName, pkg.applicationInfo.uid); 5694 mActivities.addActivity(a, "activity"); 5695 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5696 if (r == null) { 5697 r = new StringBuilder(256); 5698 } else { 5699 r.append(' '); 5700 } 5701 r.append(a.info.name); 5702 } 5703 } 5704 if (r != null) { 5705 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5706 } 5707 5708 N = pkg.permissionGroups.size(); 5709 r = null; 5710 for (i=0; i<N; i++) { 5711 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5712 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5713 if (cur == null) { 5714 mPermissionGroups.put(pg.info.name, pg); 5715 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5716 if (r == null) { 5717 r = new StringBuilder(256); 5718 } else { 5719 r.append(' '); 5720 } 5721 r.append(pg.info.name); 5722 } 5723 } else { 5724 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5725 + pg.info.packageName + " ignored: original from " 5726 + cur.info.packageName); 5727 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5728 if (r == null) { 5729 r = new StringBuilder(256); 5730 } else { 5731 r.append(' '); 5732 } 5733 r.append("DUP:"); 5734 r.append(pg.info.name); 5735 } 5736 } 5737 } 5738 if (r != null) { 5739 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5740 } 5741 5742 N = pkg.permissions.size(); 5743 r = null; 5744 for (i=0; i<N; i++) { 5745 PackageParser.Permission p = pkg.permissions.get(i); 5746 HashMap<String, BasePermission> permissionMap = 5747 p.tree ? mSettings.mPermissionTrees 5748 : mSettings.mPermissions; 5749 p.group = mPermissionGroups.get(p.info.group); 5750 if (p.info.group == null || p.group != null) { 5751 BasePermission bp = permissionMap.get(p.info.name); 5752 if (bp == null) { 5753 bp = new BasePermission(p.info.name, p.info.packageName, 5754 BasePermission.TYPE_NORMAL); 5755 permissionMap.put(p.info.name, bp); 5756 } 5757 if (bp.perm == null) { 5758 if (bp.sourcePackage != null 5759 && !bp.sourcePackage.equals(p.info.packageName)) { 5760 // If this is a permission that was formerly defined by a non-system 5761 // app, but is now defined by a system app (following an upgrade), 5762 // discard the previous declaration and consider the system's to be 5763 // canonical. 5764 if (isSystemApp(p.owner)) { 5765 String msg = "New decl " + p.owner + " of permission " 5766 + p.info.name + " is system"; 5767 reportSettingsProblem(Log.WARN, msg); 5768 bp.sourcePackage = null; 5769 } 5770 } 5771 if (bp.sourcePackage == null 5772 || bp.sourcePackage.equals(p.info.packageName)) { 5773 BasePermission tree = findPermissionTreeLP(p.info.name); 5774 if (tree == null 5775 || tree.sourcePackage.equals(p.info.packageName)) { 5776 bp.packageSetting = pkgSetting; 5777 bp.perm = p; 5778 bp.uid = pkg.applicationInfo.uid; 5779 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5780 if (r == null) { 5781 r = new StringBuilder(256); 5782 } else { 5783 r.append(' '); 5784 } 5785 r.append(p.info.name); 5786 } 5787 } else { 5788 Slog.w(TAG, "Permission " + p.info.name + " from package " 5789 + p.info.packageName + " ignored: base tree " 5790 + tree.name + " is from package " 5791 + tree.sourcePackage); 5792 } 5793 } else { 5794 Slog.w(TAG, "Permission " + p.info.name + " from package " 5795 + p.info.packageName + " ignored: original from " 5796 + bp.sourcePackage); 5797 } 5798 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5799 if (r == null) { 5800 r = new StringBuilder(256); 5801 } else { 5802 r.append(' '); 5803 } 5804 r.append("DUP:"); 5805 r.append(p.info.name); 5806 } 5807 if (bp.perm == p) { 5808 bp.protectionLevel = p.info.protectionLevel; 5809 } 5810 } else { 5811 Slog.w(TAG, "Permission " + p.info.name + " from package " 5812 + p.info.packageName + " ignored: no group " 5813 + p.group); 5814 } 5815 } 5816 if (r != null) { 5817 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5818 } 5819 5820 N = pkg.instrumentation.size(); 5821 r = null; 5822 for (i=0; i<N; i++) { 5823 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5824 a.info.packageName = pkg.applicationInfo.packageName; 5825 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5826 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5827 a.info.dataDir = pkg.applicationInfo.dataDir; 5828 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5829 mInstrumentation.put(a.getComponentName(), a); 5830 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5831 if (r == null) { 5832 r = new StringBuilder(256); 5833 } else { 5834 r.append(' '); 5835 } 5836 r.append(a.info.name); 5837 } 5838 } 5839 if (r != null) { 5840 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5841 } 5842 5843 if (pkg.protectedBroadcasts != null) { 5844 N = pkg.protectedBroadcasts.size(); 5845 for (i=0; i<N; i++) { 5846 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5847 } 5848 } 5849 5850 pkgSetting.setTimeStamp(scanFileTime); 5851 5852 // Create idmap files for pairs of (packages, overlay packages). 5853 // Note: "android", ie framework-res.apk, is handled by native layers. 5854 if (pkg.mOverlayTarget != null) { 5855 // This is an overlay package. 5856 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5857 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5858 mOverlays.put(pkg.mOverlayTarget, 5859 new HashMap<String, PackageParser.Package>()); 5860 } 5861 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5862 map.put(pkg.packageName, pkg); 5863 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5864 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5865 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5866 return null; 5867 } 5868 } 5869 } else if (mOverlays.containsKey(pkg.packageName) && 5870 !pkg.packageName.equals("android")) { 5871 // This is a regular package, with one or more known overlay packages. 5872 createIdmapsForPackageLI(pkg); 5873 } 5874 } 5875 5876 return pkg; 5877 } 5878 5879 public void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5880 boolean doDexOpt, boolean forceDexOpt, boolean deferDexOpt) { 5881 String requiredInstructionSet = null; 5882 PackageSetting requirer = null; 5883 for (PackageSetting ps : packagesForUser) { 5884 if (ps.requiredCpuAbiString != null) { 5885 final String instructionSet = VMRuntime.getInstructionSet(ps.requiredCpuAbiString); 5886 if (requiredInstructionSet != null) { 5887 if (!instructionSet.equals(requiredInstructionSet)) { 5888 // We have a mismatch between instruction sets (say arm vs arm64). 5889 // 5890 // TODO: We should rescan all the packages in a shared UID to check if 5891 // they do contain shared libs for other ABIs in addition to the ones we've 5892 // already extracted. For example, the package might contain both arm64-v8a 5893 // and armeabi-v7a shared libs, and we'd have chosen arm64-v8a on 64 bit 5894 // devices. 5895 String errorMessage = "Instruction set mismatch, " + requirer.pkg.packageName 5896 + " requires " + requiredInstructionSet + " whereas " + ps.pkg.packageName 5897 + " requires " + instructionSet; 5898 Slog.e(TAG, errorMessage); 5899 5900 reportSettingsProblem(Log.WARN, errorMessage); 5901 // Give up, don't bother making any other changes to the package settings. 5902 return; 5903 } 5904 } else { 5905 requiredInstructionSet = instructionSet; 5906 requirer = ps; 5907 } 5908 } 5909 } 5910 5911 if (requiredInstructionSet != null) { 5912 for (PackageSetting ps : packagesForUser) { 5913 if (ps.requiredCpuAbiString == null) { 5914 ps.requiredCpuAbiString = requirer.requiredCpuAbiString; 5915 if (ps.pkg != null) { 5916 ps.pkg.applicationInfo.requiredCpuAbi = requirer.requiredCpuAbiString; 5917 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + ps.requiredCpuAbiString); 5918 if (doDexOpt) { 5919 performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true); 5920 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 5921 } 5922 } 5923 } 5924 } 5925 } 5926 } 5927 5928 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5929 synchronized (mPackages) { 5930 mResolverReplaced = true; 5931 // Set up information for custom user intent resolution activity. 5932 mResolveActivity.applicationInfo = pkg.applicationInfo; 5933 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5934 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5935 mResolveActivity.processName = null; 5936 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5937 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5938 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5939 mResolveActivity.theme = 0; 5940 mResolveActivity.exported = true; 5941 mResolveActivity.enabled = true; 5942 mResolveInfo.activityInfo = mResolveActivity; 5943 mResolveInfo.priority = 0; 5944 mResolveInfo.preferredOrder = 0; 5945 mResolveInfo.match = 0; 5946 mResolveComponentName = mCustomResolverComponentName; 5947 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5948 mResolveComponentName); 5949 } 5950 } 5951 5952 private String calculateApkRoot(final String codePathString) { 5953 final File codePath = new File(codePathString); 5954 final File codeRoot; 5955 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 5956 codeRoot = Environment.getRootDirectory(); 5957 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 5958 codeRoot = Environment.getOemDirectory(); 5959 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 5960 codeRoot = Environment.getVendorDirectory(); 5961 } else { 5962 // Unrecognized code path; take its top real segment as the apk root: 5963 // e.g. /something/app/blah.apk => /something 5964 try { 5965 File f = codePath.getCanonicalFile(); 5966 File parent = f.getParentFile(); // non-null because codePath is a file 5967 File tmp; 5968 while ((tmp = parent.getParentFile()) != null) { 5969 f = parent; 5970 parent = tmp; 5971 } 5972 codeRoot = f; 5973 Slog.w(TAG, "Unrecognized code path " 5974 + codePath + " - using " + codeRoot); 5975 } catch (IOException e) { 5976 // Can't canonicalize the lib path -- shenanigans? 5977 Slog.w(TAG, "Can't canonicalize code path " + codePath); 5978 return Environment.getRootDirectory().getPath(); 5979 } 5980 } 5981 return codeRoot.getPath(); 5982 } 5983 5984 // This is the initial scan-time determination of how to handle a given 5985 // package for purposes of native library location. 5986 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5987 PackageSetting pkgSetting) { 5988 // "bundled" here means system-installed with no overriding update 5989 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 5990 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5991 final File libDir; 5992 if (bundledApk) { 5993 // If "/system/lib64/apkname" exists, assume that is the per-package 5994 // native library directory to use; otherwise use "/system/lib/apkname". 5995 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5996 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 5997 File packLib64 = new File(lib64, apkName); 5998 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 5999 } else { 6000 libDir = mAppLibInstallDir; 6001 } 6002 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6003 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6004 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6005 } 6006 6007 // Deduces the required ABI of an upgraded system app. 6008 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6009 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6010 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6011 6012 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6013 // or similar. 6014 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6015 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6016 6017 // Assume that the bundled native libraries always correspond to the 6018 // most preferred 32 or 64 bit ABI. 6019 if (lib64.exists()) { 6020 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6021 pkgSetting.requiredCpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6022 } else if (lib.exists()) { 6023 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6024 pkgSetting.requiredCpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6025 } else { 6026 // This is the case where the app has no native code. 6027 pkg.applicationInfo.requiredCpuAbi = null; 6028 pkgSetting.requiredCpuAbiString = null; 6029 } 6030 } 6031 6032 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 6033 throws IOException { 6034 if (!nativeLibraryDir.isDirectory()) { 6035 nativeLibraryDir.delete(); 6036 6037 if (!nativeLibraryDir.mkdir()) { 6038 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6039 } 6040 6041 try { 6042 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6043 } catch (ErrnoException e) { 6044 throw new IOException("Cannot chmod native library directory " 6045 + nativeLibraryDir.getPath(), e); 6046 } 6047 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6048 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6049 } 6050 6051 /* 6052 * If this is an internal application or our nativeLibraryPath points to 6053 * the app-lib directory, unpack the libraries if necessary. 6054 */ 6055 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 6056 try { 6057 int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 6058 if (abi >= 0) { 6059 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6060 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6061 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6062 return copyRet; 6063 } 6064 } 6065 6066 return abi; 6067 } finally { 6068 handle.close(); 6069 } 6070 } 6071 6072 private void killApplication(String pkgName, int appId, String reason) { 6073 // Request the ActivityManager to kill the process(only for existing packages) 6074 // so that we do not end up in a confused state while the user is still using the older 6075 // version of the application while the new one gets installed. 6076 IActivityManager am = ActivityManagerNative.getDefault(); 6077 if (am != null) { 6078 try { 6079 am.killApplicationWithAppId(pkgName, appId, reason); 6080 } catch (RemoteException e) { 6081 } 6082 } 6083 } 6084 6085 void removePackageLI(PackageSetting ps, boolean chatty) { 6086 if (DEBUG_INSTALL) { 6087 if (chatty) 6088 Log.d(TAG, "Removing package " + ps.name); 6089 } 6090 6091 // writer 6092 synchronized (mPackages) { 6093 mPackages.remove(ps.name); 6094 if (ps.codePathString != null) { 6095 mAppDirs.remove(ps.codePathString); 6096 } 6097 6098 final PackageParser.Package pkg = ps.pkg; 6099 if (pkg != null) { 6100 cleanPackageDataStructuresLILPw(pkg, chatty); 6101 } 6102 } 6103 } 6104 6105 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6106 if (DEBUG_INSTALL) { 6107 if (chatty) 6108 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6109 } 6110 6111 // writer 6112 synchronized (mPackages) { 6113 mPackages.remove(pkg.applicationInfo.packageName); 6114 if (pkg.mPath != null) { 6115 mAppDirs.remove(pkg.mPath); 6116 } 6117 cleanPackageDataStructuresLILPw(pkg, chatty); 6118 } 6119 } 6120 6121 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6122 int N = pkg.providers.size(); 6123 StringBuilder r = null; 6124 int i; 6125 for (i=0; i<N; i++) { 6126 PackageParser.Provider p = pkg.providers.get(i); 6127 mProviders.removeProvider(p); 6128 if (p.info.authority == null) { 6129 6130 /* There was another ContentProvider with this authority when 6131 * this app was installed so this authority is null, 6132 * Ignore it as we don't have to unregister the provider. 6133 */ 6134 continue; 6135 } 6136 String names[] = p.info.authority.split(";"); 6137 for (int j = 0; j < names.length; j++) { 6138 if (mProvidersByAuthority.get(names[j]) == p) { 6139 mProvidersByAuthority.remove(names[j]); 6140 if (DEBUG_REMOVE) { 6141 if (chatty) 6142 Log.d(TAG, "Unregistered content provider: " + names[j] 6143 + ", className = " + p.info.name + ", isSyncable = " 6144 + p.info.isSyncable); 6145 } 6146 } 6147 } 6148 if (DEBUG_REMOVE && chatty) { 6149 if (r == null) { 6150 r = new StringBuilder(256); 6151 } else { 6152 r.append(' '); 6153 } 6154 r.append(p.info.name); 6155 } 6156 } 6157 if (r != null) { 6158 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6159 } 6160 6161 N = pkg.services.size(); 6162 r = null; 6163 for (i=0; i<N; i++) { 6164 PackageParser.Service s = pkg.services.get(i); 6165 mServices.removeService(s); 6166 if (chatty) { 6167 if (r == null) { 6168 r = new StringBuilder(256); 6169 } else { 6170 r.append(' '); 6171 } 6172 r.append(s.info.name); 6173 } 6174 } 6175 if (r != null) { 6176 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6177 } 6178 6179 N = pkg.receivers.size(); 6180 r = null; 6181 for (i=0; i<N; i++) { 6182 PackageParser.Activity a = pkg.receivers.get(i); 6183 mReceivers.removeActivity(a, "receiver"); 6184 if (DEBUG_REMOVE && chatty) { 6185 if (r == null) { 6186 r = new StringBuilder(256); 6187 } else { 6188 r.append(' '); 6189 } 6190 r.append(a.info.name); 6191 } 6192 } 6193 if (r != null) { 6194 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6195 } 6196 6197 N = pkg.activities.size(); 6198 r = null; 6199 for (i=0; i<N; i++) { 6200 PackageParser.Activity a = pkg.activities.get(i); 6201 mActivities.removeActivity(a, "activity"); 6202 if (DEBUG_REMOVE && chatty) { 6203 if (r == null) { 6204 r = new StringBuilder(256); 6205 } else { 6206 r.append(' '); 6207 } 6208 r.append(a.info.name); 6209 } 6210 } 6211 if (r != null) { 6212 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6213 } 6214 6215 N = pkg.permissions.size(); 6216 r = null; 6217 for (i=0; i<N; i++) { 6218 PackageParser.Permission p = pkg.permissions.get(i); 6219 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6220 if (bp == null) { 6221 bp = mSettings.mPermissionTrees.get(p.info.name); 6222 } 6223 if (bp != null && bp.perm == p) { 6224 bp.perm = null; 6225 if (DEBUG_REMOVE && chatty) { 6226 if (r == null) { 6227 r = new StringBuilder(256); 6228 } else { 6229 r.append(' '); 6230 } 6231 r.append(p.info.name); 6232 } 6233 } 6234 } 6235 if (r != null) { 6236 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6237 } 6238 6239 N = pkg.instrumentation.size(); 6240 r = null; 6241 for (i=0; i<N; i++) { 6242 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6243 mInstrumentation.remove(a.getComponentName()); 6244 if (DEBUG_REMOVE && chatty) { 6245 if (r == null) { 6246 r = new StringBuilder(256); 6247 } else { 6248 r.append(' '); 6249 } 6250 r.append(a.info.name); 6251 } 6252 } 6253 if (r != null) { 6254 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6255 } 6256 6257 r = null; 6258 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6259 // Only system apps can hold shared libraries. 6260 if (pkg.libraryNames != null) { 6261 for (i=0; i<pkg.libraryNames.size(); i++) { 6262 String name = pkg.libraryNames.get(i); 6263 SharedLibraryEntry cur = mSharedLibraries.get(name); 6264 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6265 mSharedLibraries.remove(name); 6266 if (DEBUG_REMOVE && chatty) { 6267 if (r == null) { 6268 r = new StringBuilder(256); 6269 } else { 6270 r.append(' '); 6271 } 6272 r.append(name); 6273 } 6274 } 6275 } 6276 } 6277 } 6278 if (r != null) { 6279 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6280 } 6281 } 6282 6283 private static final boolean isPackageFilename(String name) { 6284 return name != null && name.endsWith(".apk"); 6285 } 6286 6287 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6288 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6289 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6290 return true; 6291 } 6292 } 6293 return false; 6294 } 6295 6296 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6297 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6298 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6299 6300 private void updatePermissionsLPw(String changingPkg, 6301 PackageParser.Package pkgInfo, int flags) { 6302 // Make sure there are no dangling permission trees. 6303 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6304 while (it.hasNext()) { 6305 final BasePermission bp = it.next(); 6306 if (bp.packageSetting == null) { 6307 // We may not yet have parsed the package, so just see if 6308 // we still know about its settings. 6309 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6310 } 6311 if (bp.packageSetting == null) { 6312 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6313 + " from package " + bp.sourcePackage); 6314 it.remove(); 6315 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6316 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6317 Slog.i(TAG, "Removing old permission tree: " + bp.name 6318 + " from package " + bp.sourcePackage); 6319 flags |= UPDATE_PERMISSIONS_ALL; 6320 it.remove(); 6321 } 6322 } 6323 } 6324 6325 // Make sure all dynamic permissions have been assigned to a package, 6326 // and make sure there are no dangling permissions. 6327 it = mSettings.mPermissions.values().iterator(); 6328 while (it.hasNext()) { 6329 final BasePermission bp = it.next(); 6330 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6331 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6332 + bp.name + " pkg=" + bp.sourcePackage 6333 + " info=" + bp.pendingInfo); 6334 if (bp.packageSetting == null && bp.pendingInfo != null) { 6335 final BasePermission tree = findPermissionTreeLP(bp.name); 6336 if (tree != null && tree.perm != null) { 6337 bp.packageSetting = tree.packageSetting; 6338 bp.perm = new PackageParser.Permission(tree.perm.owner, 6339 new PermissionInfo(bp.pendingInfo)); 6340 bp.perm.info.packageName = tree.perm.info.packageName; 6341 bp.perm.info.name = bp.name; 6342 bp.uid = tree.uid; 6343 } 6344 } 6345 } 6346 if (bp.packageSetting == null) { 6347 // We may not yet have parsed the package, so just see if 6348 // we still know about its settings. 6349 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6350 } 6351 if (bp.packageSetting == null) { 6352 Slog.w(TAG, "Removing dangling permission: " + bp.name 6353 + " from package " + bp.sourcePackage); 6354 it.remove(); 6355 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6356 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6357 Slog.i(TAG, "Removing old permission: " + bp.name 6358 + " from package " + bp.sourcePackage); 6359 flags |= UPDATE_PERMISSIONS_ALL; 6360 it.remove(); 6361 } 6362 } 6363 } 6364 6365 // Now update the permissions for all packages, in particular 6366 // replace the granted permissions of the system packages. 6367 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6368 for (PackageParser.Package pkg : mPackages.values()) { 6369 if (pkg != pkgInfo) { 6370 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6371 } 6372 } 6373 } 6374 6375 if (pkgInfo != null) { 6376 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6377 } 6378 } 6379 6380 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6381 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6382 if (ps == null) { 6383 return; 6384 } 6385 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6386 HashSet<String> origPermissions = gp.grantedPermissions; 6387 boolean changedPermission = false; 6388 6389 if (replace) { 6390 ps.permissionsFixed = false; 6391 if (gp == ps) { 6392 origPermissions = new HashSet<String>(gp.grantedPermissions); 6393 gp.grantedPermissions.clear(); 6394 gp.gids = mGlobalGids; 6395 } 6396 } 6397 6398 if (gp.gids == null) { 6399 gp.gids = mGlobalGids; 6400 } 6401 6402 final int N = pkg.requestedPermissions.size(); 6403 for (int i=0; i<N; i++) { 6404 final String name = pkg.requestedPermissions.get(i); 6405 final boolean required = pkg.requestedPermissionsRequired.get(i); 6406 final BasePermission bp = mSettings.mPermissions.get(name); 6407 if (DEBUG_INSTALL) { 6408 if (gp != ps) { 6409 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6410 } 6411 } 6412 6413 if (bp == null || bp.packageSetting == null) { 6414 Slog.w(TAG, "Unknown permission " + name 6415 + " in package " + pkg.packageName); 6416 continue; 6417 } 6418 6419 final String perm = bp.name; 6420 boolean allowed; 6421 boolean allowedSig = false; 6422 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6423 if (level == PermissionInfo.PROTECTION_NORMAL 6424 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6425 // We grant a normal or dangerous permission if any of the following 6426 // are true: 6427 // 1) The permission is required 6428 // 2) The permission is optional, but was granted in the past 6429 // 3) The permission is optional, but was requested by an 6430 // app in /system (not /data) 6431 // 6432 // Otherwise, reject the permission. 6433 allowed = (required || origPermissions.contains(perm) 6434 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6435 } else if (bp.packageSetting == null) { 6436 // This permission is invalid; skip it. 6437 allowed = false; 6438 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6439 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6440 if (allowed) { 6441 allowedSig = true; 6442 } 6443 } else { 6444 allowed = false; 6445 } 6446 if (DEBUG_INSTALL) { 6447 if (gp != ps) { 6448 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6449 } 6450 } 6451 if (allowed) { 6452 if (!isSystemApp(ps) && ps.permissionsFixed) { 6453 // If this is an existing, non-system package, then 6454 // we can't add any new permissions to it. 6455 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6456 // Except... if this is a permission that was added 6457 // to the platform (note: need to only do this when 6458 // updating the platform). 6459 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6460 } 6461 } 6462 if (allowed) { 6463 if (!gp.grantedPermissions.contains(perm)) { 6464 changedPermission = true; 6465 gp.grantedPermissions.add(perm); 6466 gp.gids = appendInts(gp.gids, bp.gids); 6467 } else if (!ps.haveGids) { 6468 gp.gids = appendInts(gp.gids, bp.gids); 6469 } 6470 } else { 6471 Slog.w(TAG, "Not granting permission " + perm 6472 + " to package " + pkg.packageName 6473 + " because it was previously installed without"); 6474 } 6475 } else { 6476 if (gp.grantedPermissions.remove(perm)) { 6477 changedPermission = true; 6478 gp.gids = removeInts(gp.gids, bp.gids); 6479 Slog.i(TAG, "Un-granting permission " + perm 6480 + " from package " + pkg.packageName 6481 + " (protectionLevel=" + bp.protectionLevel 6482 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6483 + ")"); 6484 } else { 6485 Slog.w(TAG, "Not granting permission " + perm 6486 + " to package " + pkg.packageName 6487 + " (protectionLevel=" + bp.protectionLevel 6488 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6489 + ")"); 6490 } 6491 } 6492 } 6493 6494 if ((changedPermission || replace) && !ps.permissionsFixed && 6495 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6496 // This is the first that we have heard about this package, so the 6497 // permissions we have now selected are fixed until explicitly 6498 // changed. 6499 ps.permissionsFixed = true; 6500 } 6501 ps.haveGids = true; 6502 } 6503 6504 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6505 boolean allowed = false; 6506 final int NP = PackageParser.NEW_PERMISSIONS.length; 6507 for (int ip=0; ip<NP; ip++) { 6508 final PackageParser.NewPermissionInfo npi 6509 = PackageParser.NEW_PERMISSIONS[ip]; 6510 if (npi.name.equals(perm) 6511 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6512 allowed = true; 6513 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6514 + pkg.packageName); 6515 break; 6516 } 6517 } 6518 return allowed; 6519 } 6520 6521 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6522 BasePermission bp, HashSet<String> origPermissions) { 6523 boolean allowed; 6524 allowed = (compareSignatures( 6525 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6526 == PackageManager.SIGNATURE_MATCH) 6527 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6528 == PackageManager.SIGNATURE_MATCH); 6529 if (!allowed && (bp.protectionLevel 6530 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6531 if (isSystemApp(pkg)) { 6532 // For updated system applications, a system permission 6533 // is granted only if it had been defined by the original application. 6534 if (isUpdatedSystemApp(pkg)) { 6535 final PackageSetting sysPs = mSettings 6536 .getDisabledSystemPkgLPr(pkg.packageName); 6537 final GrantedPermissions origGp = sysPs.sharedUser != null 6538 ? sysPs.sharedUser : sysPs; 6539 6540 if (origGp.grantedPermissions.contains(perm)) { 6541 // If the original was granted this permission, we take 6542 // that grant decision as read and propagate it to the 6543 // update. 6544 allowed = true; 6545 } else { 6546 // The system apk may have been updated with an older 6547 // version of the one on the data partition, but which 6548 // granted a new system permission that it didn't have 6549 // before. In this case we do want to allow the app to 6550 // now get the new permission if the ancestral apk is 6551 // privileged to get it. 6552 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6553 for (int j=0; 6554 j<sysPs.pkg.requestedPermissions.size(); j++) { 6555 if (perm.equals( 6556 sysPs.pkg.requestedPermissions.get(j))) { 6557 allowed = true; 6558 break; 6559 } 6560 } 6561 } 6562 } 6563 } else { 6564 allowed = isPrivilegedApp(pkg); 6565 } 6566 } 6567 } 6568 if (!allowed && (bp.protectionLevel 6569 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6570 // For development permissions, a development permission 6571 // is granted only if it was already granted. 6572 allowed = origPermissions.contains(perm); 6573 } 6574 return allowed; 6575 } 6576 6577 final class ActivityIntentResolver 6578 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6579 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6580 boolean defaultOnly, int userId) { 6581 if (!sUserManager.exists(userId)) return null; 6582 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6583 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6584 } 6585 6586 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6587 int userId) { 6588 if (!sUserManager.exists(userId)) return null; 6589 mFlags = flags; 6590 return super.queryIntent(intent, resolvedType, 6591 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6592 } 6593 6594 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6595 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6596 if (!sUserManager.exists(userId)) return null; 6597 if (packageActivities == null) { 6598 return null; 6599 } 6600 mFlags = flags; 6601 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6602 final int N = packageActivities.size(); 6603 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6604 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6605 6606 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6607 for (int i = 0; i < N; ++i) { 6608 intentFilters = packageActivities.get(i).intents; 6609 if (intentFilters != null && intentFilters.size() > 0) { 6610 PackageParser.ActivityIntentInfo[] array = 6611 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6612 intentFilters.toArray(array); 6613 listCut.add(array); 6614 } 6615 } 6616 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6617 } 6618 6619 public final void addActivity(PackageParser.Activity a, String type) { 6620 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6621 mActivities.put(a.getComponentName(), a); 6622 if (DEBUG_SHOW_INFO) 6623 Log.v( 6624 TAG, " " + type + " " + 6625 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6626 if (DEBUG_SHOW_INFO) 6627 Log.v(TAG, " Class=" + a.info.name); 6628 final int NI = a.intents.size(); 6629 for (int j=0; j<NI; j++) { 6630 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6631 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6632 intent.setPriority(0); 6633 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6634 + a.className + " with priority > 0, forcing to 0"); 6635 } 6636 if (DEBUG_SHOW_INFO) { 6637 Log.v(TAG, " IntentFilter:"); 6638 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6639 } 6640 if (!intent.debugCheck()) { 6641 Log.w(TAG, "==> For Activity " + a.info.name); 6642 } 6643 addFilter(intent); 6644 } 6645 } 6646 6647 public final void removeActivity(PackageParser.Activity a, String type) { 6648 mActivities.remove(a.getComponentName()); 6649 if (DEBUG_SHOW_INFO) { 6650 Log.v(TAG, " " + type + " " 6651 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6652 : a.info.name) + ":"); 6653 Log.v(TAG, " Class=" + a.info.name); 6654 } 6655 final int NI = a.intents.size(); 6656 for (int j=0; j<NI; j++) { 6657 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6658 if (DEBUG_SHOW_INFO) { 6659 Log.v(TAG, " IntentFilter:"); 6660 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6661 } 6662 removeFilter(intent); 6663 } 6664 } 6665 6666 @Override 6667 protected boolean allowFilterResult( 6668 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6669 ActivityInfo filterAi = filter.activity.info; 6670 for (int i=dest.size()-1; i>=0; i--) { 6671 ActivityInfo destAi = dest.get(i).activityInfo; 6672 if (destAi.name == filterAi.name 6673 && destAi.packageName == filterAi.packageName) { 6674 return false; 6675 } 6676 } 6677 return true; 6678 } 6679 6680 @Override 6681 protected ActivityIntentInfo[] newArray(int size) { 6682 return new ActivityIntentInfo[size]; 6683 } 6684 6685 @Override 6686 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6687 if (!sUserManager.exists(userId)) return true; 6688 PackageParser.Package p = filter.activity.owner; 6689 if (p != null) { 6690 PackageSetting ps = (PackageSetting)p.mExtras; 6691 if (ps != null) { 6692 // System apps are never considered stopped for purposes of 6693 // filtering, because there may be no way for the user to 6694 // actually re-launch them. 6695 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6696 && ps.getStopped(userId); 6697 } 6698 } 6699 return false; 6700 } 6701 6702 @Override 6703 protected boolean isPackageForFilter(String packageName, 6704 PackageParser.ActivityIntentInfo info) { 6705 return packageName.equals(info.activity.owner.packageName); 6706 } 6707 6708 @Override 6709 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6710 int match, int userId) { 6711 if (!sUserManager.exists(userId)) return null; 6712 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6713 return null; 6714 } 6715 final PackageParser.Activity activity = info.activity; 6716 if (mSafeMode && (activity.info.applicationInfo.flags 6717 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6718 return null; 6719 } 6720 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6721 if (ps == null) { 6722 return null; 6723 } 6724 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6725 ps.readUserState(userId), userId); 6726 if (ai == null) { 6727 return null; 6728 } 6729 final ResolveInfo res = new ResolveInfo(); 6730 res.activityInfo = ai; 6731 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6732 res.filter = info; 6733 } 6734 res.priority = info.getPriority(); 6735 res.preferredOrder = activity.owner.mPreferredOrder; 6736 //System.out.println("Result: " + res.activityInfo.className + 6737 // " = " + res.priority); 6738 res.match = match; 6739 res.isDefault = info.hasDefault; 6740 res.labelRes = info.labelRes; 6741 res.nonLocalizedLabel = info.nonLocalizedLabel; 6742 res.icon = info.icon; 6743 res.system = isSystemApp(res.activityInfo.applicationInfo); 6744 return res; 6745 } 6746 6747 @Override 6748 protected void sortResults(List<ResolveInfo> results) { 6749 Collections.sort(results, mResolvePrioritySorter); 6750 } 6751 6752 @Override 6753 protected void dumpFilter(PrintWriter out, String prefix, 6754 PackageParser.ActivityIntentInfo filter) { 6755 out.print(prefix); out.print( 6756 Integer.toHexString(System.identityHashCode(filter.activity))); 6757 out.print(' '); 6758 filter.activity.printComponentShortName(out); 6759 out.print(" filter "); 6760 out.println(Integer.toHexString(System.identityHashCode(filter))); 6761 } 6762 6763// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6764// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6765// final List<ResolveInfo> retList = Lists.newArrayList(); 6766// while (i.hasNext()) { 6767// final ResolveInfo resolveInfo = i.next(); 6768// if (isEnabledLP(resolveInfo.activityInfo)) { 6769// retList.add(resolveInfo); 6770// } 6771// } 6772// return retList; 6773// } 6774 6775 // Keys are String (activity class name), values are Activity. 6776 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6777 = new HashMap<ComponentName, PackageParser.Activity>(); 6778 private int mFlags; 6779 } 6780 6781 private final class ServiceIntentResolver 6782 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6783 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6784 boolean defaultOnly, int userId) { 6785 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6786 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6787 } 6788 6789 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6790 int userId) { 6791 if (!sUserManager.exists(userId)) return null; 6792 mFlags = flags; 6793 return super.queryIntent(intent, resolvedType, 6794 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6795 } 6796 6797 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6798 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6799 if (!sUserManager.exists(userId)) return null; 6800 if (packageServices == null) { 6801 return null; 6802 } 6803 mFlags = flags; 6804 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6805 final int N = packageServices.size(); 6806 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6807 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6808 6809 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6810 for (int i = 0; i < N; ++i) { 6811 intentFilters = packageServices.get(i).intents; 6812 if (intentFilters != null && intentFilters.size() > 0) { 6813 PackageParser.ServiceIntentInfo[] array = 6814 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6815 intentFilters.toArray(array); 6816 listCut.add(array); 6817 } 6818 } 6819 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6820 } 6821 6822 public final void addService(PackageParser.Service s) { 6823 mServices.put(s.getComponentName(), s); 6824 if (DEBUG_SHOW_INFO) { 6825 Log.v(TAG, " " 6826 + (s.info.nonLocalizedLabel != null 6827 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6828 Log.v(TAG, " Class=" + s.info.name); 6829 } 6830 final int NI = s.intents.size(); 6831 int j; 6832 for (j=0; j<NI; j++) { 6833 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6834 if (DEBUG_SHOW_INFO) { 6835 Log.v(TAG, " IntentFilter:"); 6836 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6837 } 6838 if (!intent.debugCheck()) { 6839 Log.w(TAG, "==> For Service " + s.info.name); 6840 } 6841 addFilter(intent); 6842 } 6843 } 6844 6845 public final void removeService(PackageParser.Service s) { 6846 mServices.remove(s.getComponentName()); 6847 if (DEBUG_SHOW_INFO) { 6848 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6849 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6850 Log.v(TAG, " Class=" + s.info.name); 6851 } 6852 final int NI = s.intents.size(); 6853 int j; 6854 for (j=0; j<NI; j++) { 6855 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6856 if (DEBUG_SHOW_INFO) { 6857 Log.v(TAG, " IntentFilter:"); 6858 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6859 } 6860 removeFilter(intent); 6861 } 6862 } 6863 6864 @Override 6865 protected boolean allowFilterResult( 6866 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6867 ServiceInfo filterSi = filter.service.info; 6868 for (int i=dest.size()-1; i>=0; i--) { 6869 ServiceInfo destAi = dest.get(i).serviceInfo; 6870 if (destAi.name == filterSi.name 6871 && destAi.packageName == filterSi.packageName) { 6872 return false; 6873 } 6874 } 6875 return true; 6876 } 6877 6878 @Override 6879 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6880 return new PackageParser.ServiceIntentInfo[size]; 6881 } 6882 6883 @Override 6884 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6885 if (!sUserManager.exists(userId)) return true; 6886 PackageParser.Package p = filter.service.owner; 6887 if (p != null) { 6888 PackageSetting ps = (PackageSetting)p.mExtras; 6889 if (ps != null) { 6890 // System apps are never considered stopped for purposes of 6891 // filtering, because there may be no way for the user to 6892 // actually re-launch them. 6893 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6894 && ps.getStopped(userId); 6895 } 6896 } 6897 return false; 6898 } 6899 6900 @Override 6901 protected boolean isPackageForFilter(String packageName, 6902 PackageParser.ServiceIntentInfo info) { 6903 return packageName.equals(info.service.owner.packageName); 6904 } 6905 6906 @Override 6907 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6908 int match, int userId) { 6909 if (!sUserManager.exists(userId)) return null; 6910 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6911 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6912 return null; 6913 } 6914 final PackageParser.Service service = info.service; 6915 if (mSafeMode && (service.info.applicationInfo.flags 6916 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6917 return null; 6918 } 6919 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6920 if (ps == null) { 6921 return null; 6922 } 6923 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6924 ps.readUserState(userId), userId); 6925 if (si == null) { 6926 return null; 6927 } 6928 final ResolveInfo res = new ResolveInfo(); 6929 res.serviceInfo = si; 6930 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6931 res.filter = filter; 6932 } 6933 res.priority = info.getPriority(); 6934 res.preferredOrder = service.owner.mPreferredOrder; 6935 //System.out.println("Result: " + res.activityInfo.className + 6936 // " = " + res.priority); 6937 res.match = match; 6938 res.isDefault = info.hasDefault; 6939 res.labelRes = info.labelRes; 6940 res.nonLocalizedLabel = info.nonLocalizedLabel; 6941 res.icon = info.icon; 6942 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6943 return res; 6944 } 6945 6946 @Override 6947 protected void sortResults(List<ResolveInfo> results) { 6948 Collections.sort(results, mResolvePrioritySorter); 6949 } 6950 6951 @Override 6952 protected void dumpFilter(PrintWriter out, String prefix, 6953 PackageParser.ServiceIntentInfo filter) { 6954 out.print(prefix); out.print( 6955 Integer.toHexString(System.identityHashCode(filter.service))); 6956 out.print(' '); 6957 filter.service.printComponentShortName(out); 6958 out.print(" filter "); 6959 out.println(Integer.toHexString(System.identityHashCode(filter))); 6960 } 6961 6962// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6963// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6964// final List<ResolveInfo> retList = Lists.newArrayList(); 6965// while (i.hasNext()) { 6966// final ResolveInfo resolveInfo = (ResolveInfo) i; 6967// if (isEnabledLP(resolveInfo.serviceInfo)) { 6968// retList.add(resolveInfo); 6969// } 6970// } 6971// return retList; 6972// } 6973 6974 // Keys are String (activity class name), values are Activity. 6975 private final HashMap<ComponentName, PackageParser.Service> mServices 6976 = new HashMap<ComponentName, PackageParser.Service>(); 6977 private int mFlags; 6978 }; 6979 6980 private final class ProviderIntentResolver 6981 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6982 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6983 boolean defaultOnly, int userId) { 6984 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6985 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6986 } 6987 6988 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6989 int userId) { 6990 if (!sUserManager.exists(userId)) 6991 return null; 6992 mFlags = flags; 6993 return super.queryIntent(intent, resolvedType, 6994 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6995 } 6996 6997 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6998 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6999 if (!sUserManager.exists(userId)) 7000 return null; 7001 if (packageProviders == null) { 7002 return null; 7003 } 7004 mFlags = flags; 7005 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7006 final int N = packageProviders.size(); 7007 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7008 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7009 7010 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7011 for (int i = 0; i < N; ++i) { 7012 intentFilters = packageProviders.get(i).intents; 7013 if (intentFilters != null && intentFilters.size() > 0) { 7014 PackageParser.ProviderIntentInfo[] array = 7015 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7016 intentFilters.toArray(array); 7017 listCut.add(array); 7018 } 7019 } 7020 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7021 } 7022 7023 public final void addProvider(PackageParser.Provider p) { 7024 if (mProviders.containsKey(p.getComponentName())) { 7025 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7026 return; 7027 } 7028 7029 mProviders.put(p.getComponentName(), p); 7030 if (DEBUG_SHOW_INFO) { 7031 Log.v(TAG, " " 7032 + (p.info.nonLocalizedLabel != null 7033 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7034 Log.v(TAG, " Class=" + p.info.name); 7035 } 7036 final int NI = p.intents.size(); 7037 int j; 7038 for (j = 0; j < NI; j++) { 7039 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7040 if (DEBUG_SHOW_INFO) { 7041 Log.v(TAG, " IntentFilter:"); 7042 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7043 } 7044 if (!intent.debugCheck()) { 7045 Log.w(TAG, "==> For Provider " + p.info.name); 7046 } 7047 addFilter(intent); 7048 } 7049 } 7050 7051 public final void removeProvider(PackageParser.Provider p) { 7052 mProviders.remove(p.getComponentName()); 7053 if (DEBUG_SHOW_INFO) { 7054 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7055 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7056 Log.v(TAG, " Class=" + p.info.name); 7057 } 7058 final int NI = p.intents.size(); 7059 int j; 7060 for (j = 0; j < NI; j++) { 7061 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7062 if (DEBUG_SHOW_INFO) { 7063 Log.v(TAG, " IntentFilter:"); 7064 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7065 } 7066 removeFilter(intent); 7067 } 7068 } 7069 7070 @Override 7071 protected boolean allowFilterResult( 7072 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7073 ProviderInfo filterPi = filter.provider.info; 7074 for (int i = dest.size() - 1; i >= 0; i--) { 7075 ProviderInfo destPi = dest.get(i).providerInfo; 7076 if (destPi.name == filterPi.name 7077 && destPi.packageName == filterPi.packageName) { 7078 return false; 7079 } 7080 } 7081 return true; 7082 } 7083 7084 @Override 7085 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7086 return new PackageParser.ProviderIntentInfo[size]; 7087 } 7088 7089 @Override 7090 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7091 if (!sUserManager.exists(userId)) 7092 return true; 7093 PackageParser.Package p = filter.provider.owner; 7094 if (p != null) { 7095 PackageSetting ps = (PackageSetting) p.mExtras; 7096 if (ps != null) { 7097 // System apps are never considered stopped for purposes of 7098 // filtering, because there may be no way for the user to 7099 // actually re-launch them. 7100 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7101 && ps.getStopped(userId); 7102 } 7103 } 7104 return false; 7105 } 7106 7107 @Override 7108 protected boolean isPackageForFilter(String packageName, 7109 PackageParser.ProviderIntentInfo info) { 7110 return packageName.equals(info.provider.owner.packageName); 7111 } 7112 7113 @Override 7114 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7115 int match, int userId) { 7116 if (!sUserManager.exists(userId)) 7117 return null; 7118 final PackageParser.ProviderIntentInfo info = filter; 7119 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7120 return null; 7121 } 7122 final PackageParser.Provider provider = info.provider; 7123 if (mSafeMode && (provider.info.applicationInfo.flags 7124 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7125 return null; 7126 } 7127 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7128 if (ps == null) { 7129 return null; 7130 } 7131 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7132 ps.readUserState(userId), userId); 7133 if (pi == null) { 7134 return null; 7135 } 7136 final ResolveInfo res = new ResolveInfo(); 7137 res.providerInfo = pi; 7138 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7139 res.filter = filter; 7140 } 7141 res.priority = info.getPriority(); 7142 res.preferredOrder = provider.owner.mPreferredOrder; 7143 res.match = match; 7144 res.isDefault = info.hasDefault; 7145 res.labelRes = info.labelRes; 7146 res.nonLocalizedLabel = info.nonLocalizedLabel; 7147 res.icon = info.icon; 7148 res.system = isSystemApp(res.providerInfo.applicationInfo); 7149 return res; 7150 } 7151 7152 @Override 7153 protected void sortResults(List<ResolveInfo> results) { 7154 Collections.sort(results, mResolvePrioritySorter); 7155 } 7156 7157 @Override 7158 protected void dumpFilter(PrintWriter out, String prefix, 7159 PackageParser.ProviderIntentInfo filter) { 7160 out.print(prefix); 7161 out.print( 7162 Integer.toHexString(System.identityHashCode(filter.provider))); 7163 out.print(' '); 7164 filter.provider.printComponentShortName(out); 7165 out.print(" filter "); 7166 out.println(Integer.toHexString(System.identityHashCode(filter))); 7167 } 7168 7169 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7170 = new HashMap<ComponentName, PackageParser.Provider>(); 7171 private int mFlags; 7172 }; 7173 7174 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7175 new Comparator<ResolveInfo>() { 7176 public int compare(ResolveInfo r1, ResolveInfo r2) { 7177 int v1 = r1.priority; 7178 int v2 = r2.priority; 7179 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7180 if (v1 != v2) { 7181 return (v1 > v2) ? -1 : 1; 7182 } 7183 v1 = r1.preferredOrder; 7184 v2 = r2.preferredOrder; 7185 if (v1 != v2) { 7186 return (v1 > v2) ? -1 : 1; 7187 } 7188 if (r1.isDefault != r2.isDefault) { 7189 return r1.isDefault ? -1 : 1; 7190 } 7191 v1 = r1.match; 7192 v2 = r2.match; 7193 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7194 if (v1 != v2) { 7195 return (v1 > v2) ? -1 : 1; 7196 } 7197 if (r1.system != r2.system) { 7198 return r1.system ? -1 : 1; 7199 } 7200 return 0; 7201 } 7202 }; 7203 7204 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7205 new Comparator<ProviderInfo>() { 7206 public int compare(ProviderInfo p1, ProviderInfo p2) { 7207 final int v1 = p1.initOrder; 7208 final int v2 = p2.initOrder; 7209 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7210 } 7211 }; 7212 7213 static final void sendPackageBroadcast(String action, String pkg, 7214 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7215 int[] userIds) { 7216 IActivityManager am = ActivityManagerNative.getDefault(); 7217 if (am != null) { 7218 try { 7219 if (userIds == null) { 7220 userIds = am.getRunningUserIds(); 7221 } 7222 for (int id : userIds) { 7223 final Intent intent = new Intent(action, 7224 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7225 if (extras != null) { 7226 intent.putExtras(extras); 7227 } 7228 if (targetPkg != null) { 7229 intent.setPackage(targetPkg); 7230 } 7231 // Modify the UID when posting to other users 7232 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7233 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7234 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7235 intent.putExtra(Intent.EXTRA_UID, uid); 7236 } 7237 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7238 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7239 if (DEBUG_BROADCASTS) { 7240 RuntimeException here = new RuntimeException("here"); 7241 here.fillInStackTrace(); 7242 Slog.d(TAG, "Sending to user " + id + ": " 7243 + intent.toShortString(false, true, false, false) 7244 + " " + intent.getExtras(), here); 7245 } 7246 am.broadcastIntent(null, intent, null, finishedReceiver, 7247 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7248 finishedReceiver != null, false, id); 7249 } 7250 } catch (RemoteException ex) { 7251 } 7252 } 7253 } 7254 7255 /** 7256 * Check if the external storage media is available. This is true if there 7257 * is a mounted external storage medium or if the external storage is 7258 * emulated. 7259 */ 7260 private boolean isExternalMediaAvailable() { 7261 return mMediaMounted || Environment.isExternalStorageEmulated(); 7262 } 7263 7264 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7265 // writer 7266 synchronized (mPackages) { 7267 if (!isExternalMediaAvailable()) { 7268 // If the external storage is no longer mounted at this point, 7269 // the caller may not have been able to delete all of this 7270 // packages files and can not delete any more. Bail. 7271 return null; 7272 } 7273 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7274 if (lastPackage != null) { 7275 pkgs.remove(lastPackage); 7276 } 7277 if (pkgs.size() > 0) { 7278 return pkgs.get(0); 7279 } 7280 } 7281 return null; 7282 } 7283 7284 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7285 if (false) { 7286 RuntimeException here = new RuntimeException("here"); 7287 here.fillInStackTrace(); 7288 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7289 + " andCode=" + andCode, here); 7290 } 7291 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7292 userId, andCode ? 1 : 0, packageName)); 7293 } 7294 7295 void startCleaningPackages() { 7296 // reader 7297 synchronized (mPackages) { 7298 if (!isExternalMediaAvailable()) { 7299 return; 7300 } 7301 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7302 return; 7303 } 7304 } 7305 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7306 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7307 IActivityManager am = ActivityManagerNative.getDefault(); 7308 if (am != null) { 7309 try { 7310 am.startService(null, intent, null, UserHandle.USER_OWNER); 7311 } catch (RemoteException e) { 7312 } 7313 } 7314 } 7315 7316 private final class AppDirObserver extends FileObserver { 7317 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7318 super(path, mask); 7319 mRootDir = path; 7320 mIsRom = isrom; 7321 mIsPrivileged = isPrivileged; 7322 } 7323 7324 public void onEvent(int event, String path) { 7325 String removedPackage = null; 7326 int removedAppId = -1; 7327 int[] removedUsers = null; 7328 String addedPackage = null; 7329 int addedAppId = -1; 7330 int[] addedUsers = null; 7331 7332 // TODO post a message to the handler to obtain serial ordering 7333 synchronized (mInstallLock) { 7334 String fullPathStr = null; 7335 File fullPath = null; 7336 if (path != null) { 7337 fullPath = new File(mRootDir, path); 7338 fullPathStr = fullPath.getPath(); 7339 } 7340 7341 if (DEBUG_APP_DIR_OBSERVER) 7342 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7343 7344 if (!isPackageFilename(path)) { 7345 if (DEBUG_APP_DIR_OBSERVER) 7346 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7347 return; 7348 } 7349 7350 // Ignore packages that are being installed or 7351 // have just been installed. 7352 if (ignoreCodePath(fullPathStr)) { 7353 return; 7354 } 7355 PackageParser.Package p = null; 7356 PackageSetting ps = null; 7357 // reader 7358 synchronized (mPackages) { 7359 p = mAppDirs.get(fullPathStr); 7360 if (p != null) { 7361 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7362 if (ps != null) { 7363 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7364 } else { 7365 removedUsers = sUserManager.getUserIds(); 7366 } 7367 } 7368 addedUsers = sUserManager.getUserIds(); 7369 } 7370 if ((event&REMOVE_EVENTS) != 0) { 7371 if (ps != null) { 7372 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7373 removePackageLI(ps, true); 7374 removedPackage = ps.name; 7375 removedAppId = ps.appId; 7376 } 7377 } 7378 7379 if ((event&ADD_EVENTS) != 0) { 7380 if (p == null) { 7381 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7382 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7383 if (mIsRom) { 7384 flags |= PackageParser.PARSE_IS_SYSTEM 7385 | PackageParser.PARSE_IS_SYSTEM_DIR; 7386 if (mIsPrivileged) { 7387 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7388 } 7389 } 7390 p = scanPackageLI(fullPath, flags, 7391 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7392 System.currentTimeMillis(), UserHandle.ALL); 7393 if (p != null) { 7394 /* 7395 * TODO this seems dangerous as the package may have 7396 * changed since we last acquired the mPackages 7397 * lock. 7398 */ 7399 // writer 7400 synchronized (mPackages) { 7401 updatePermissionsLPw(p.packageName, p, 7402 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7403 } 7404 addedPackage = p.applicationInfo.packageName; 7405 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7406 } 7407 } 7408 } 7409 7410 // reader 7411 synchronized (mPackages) { 7412 mSettings.writeLPr(); 7413 } 7414 } 7415 7416 if (removedPackage != null) { 7417 Bundle extras = new Bundle(1); 7418 extras.putInt(Intent.EXTRA_UID, removedAppId); 7419 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7420 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7421 extras, null, null, removedUsers); 7422 } 7423 if (addedPackage != null) { 7424 Bundle extras = new Bundle(1); 7425 extras.putInt(Intent.EXTRA_UID, addedAppId); 7426 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7427 extras, null, null, addedUsers); 7428 } 7429 } 7430 7431 private final String mRootDir; 7432 private final boolean mIsRom; 7433 private final boolean mIsPrivileged; 7434 } 7435 7436 /* 7437 * The old-style observer methods all just trampoline to the newer signature with 7438 * expanded install observer API. The older API continues to work but does not 7439 * supply the additional details of the Observer2 API. 7440 */ 7441 7442 /* Called when a downloaded package installation has been confirmed by the user */ 7443 public void installPackage( 7444 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7445 installPackageEtc(packageURI, observer, null, flags, null); 7446 } 7447 7448 /* Called when a downloaded package installation has been confirmed by the user */ 7449 public void installPackage( 7450 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7451 final String installerPackageName) { 7452 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7453 installerPackageName, null, null, null); 7454 } 7455 7456 @Override 7457 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7458 int flags, String installerPackageName, Uri verificationURI, 7459 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7460 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7461 VerificationParams.NO_UID, manifestDigest); 7462 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7463 installerPackageName, verificationParams, encryptionParams); 7464 } 7465 7466 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7467 IPackageInstallObserver observer, int flags, String installerPackageName, 7468 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7469 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7470 installerPackageName, verificationParams, encryptionParams); 7471 } 7472 7473 /* 7474 * And here are the "live" versions that take both observer arguments 7475 */ 7476 public void installPackageEtc( 7477 final Uri packageURI, final IPackageInstallObserver observer, 7478 IPackageInstallObserver2 observer2, final int flags) { 7479 installPackageEtc(packageURI, observer, observer2, flags, null); 7480 } 7481 7482 public void installPackageEtc( 7483 final Uri packageURI, final IPackageInstallObserver observer, 7484 final IPackageInstallObserver2 observer2, final int flags, 7485 final String installerPackageName) { 7486 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7487 installerPackageName, null, null, null); 7488 } 7489 7490 @Override 7491 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7492 IPackageInstallObserver2 observer2, 7493 int flags, String installerPackageName, Uri verificationURI, 7494 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7495 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7496 VerificationParams.NO_UID, manifestDigest); 7497 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7498 installerPackageName, verificationParams, encryptionParams); 7499 } 7500 7501 /* 7502 * All of the installPackage...*() methods redirect to this one for the master implementation 7503 */ 7504 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7505 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7506 int flags, String installerPackageName, 7507 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7508 if (observer == null && observer2 == null) { 7509 throw new IllegalArgumentException("No install observer supplied"); 7510 } 7511 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7512 null); 7513 7514 final int uid = Binder.getCallingUid(); 7515 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7516 try { 7517 if (observer != null) { 7518 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7519 } 7520 if (observer2 != null) { 7521 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7522 } 7523 } catch (RemoteException re) { 7524 } 7525 return; 7526 } 7527 7528 UserHandle user; 7529 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7530 user = UserHandle.ALL; 7531 } else { 7532 user = new UserHandle(UserHandle.getUserId(uid)); 7533 } 7534 7535 final int filteredFlags; 7536 7537 if (uid == Process.SHELL_UID || uid == 0) { 7538 if (DEBUG_INSTALL) { 7539 Slog.v(TAG, "Install from ADB"); 7540 } 7541 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7542 } else { 7543 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7544 } 7545 7546 verificationParams.setInstallerUid(uid); 7547 7548 final Message msg = mHandler.obtainMessage(INIT_COPY); 7549 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7550 installerPackageName, verificationParams, encryptionParams, user); 7551 mHandler.sendMessage(msg); 7552 } 7553 7554 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7555 Bundle extras = new Bundle(1); 7556 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7557 7558 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7559 packageName, extras, null, null, new int[] {userId}); 7560 try { 7561 IActivityManager am = ActivityManagerNative.getDefault(); 7562 final boolean isSystem = 7563 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7564 if (isSystem && am.isUserRunning(userId, false)) { 7565 // The just-installed/enabled app is bundled on the system, so presumed 7566 // to be able to run automatically without needing an explicit launch. 7567 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7568 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7569 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7570 .setPackage(packageName); 7571 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7572 android.app.AppOpsManager.OP_NONE, false, false, userId); 7573 } 7574 } catch (RemoteException e) { 7575 // shouldn't happen 7576 Slog.w(TAG, "Unable to bootstrap installed package", e); 7577 } 7578 } 7579 7580 @Override 7581 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7582 int userId) { 7583 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7584 PackageSetting pkgSetting; 7585 final int uid = Binder.getCallingUid(); 7586 if (UserHandle.getUserId(uid) != userId) { 7587 mContext.enforceCallingOrSelfPermission( 7588 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7589 "setApplicationBlockedSetting for user " + userId); 7590 } 7591 7592 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7593 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7594 return false; 7595 } 7596 7597 long callingId = Binder.clearCallingIdentity(); 7598 try { 7599 boolean sendAdded = false; 7600 boolean sendRemoved = false; 7601 // writer 7602 synchronized (mPackages) { 7603 pkgSetting = mSettings.mPackages.get(packageName); 7604 if (pkgSetting == null) { 7605 return false; 7606 } 7607 if (pkgSetting.getBlocked(userId) != blocked) { 7608 pkgSetting.setBlocked(blocked, userId); 7609 mSettings.writePackageRestrictionsLPr(userId); 7610 if (blocked) { 7611 sendRemoved = true; 7612 } else { 7613 sendAdded = true; 7614 } 7615 } 7616 } 7617 if (sendAdded) { 7618 sendPackageAddedForUser(packageName, pkgSetting, userId); 7619 return true; 7620 } 7621 if (sendRemoved) { 7622 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7623 "blocking pkg"); 7624 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7625 } 7626 } finally { 7627 Binder.restoreCallingIdentity(callingId); 7628 } 7629 return false; 7630 } 7631 7632 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7633 int userId) { 7634 final PackageRemovedInfo info = new PackageRemovedInfo(); 7635 info.removedPackage = packageName; 7636 info.removedUsers = new int[] {userId}; 7637 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7638 info.sendBroadcast(false, false, false); 7639 } 7640 7641 /** 7642 * Returns true if application is not found or there was an error. Otherwise it returns 7643 * the blocked state of the package for the given user. 7644 */ 7645 @Override 7646 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7647 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7648 PackageSetting pkgSetting; 7649 final int uid = Binder.getCallingUid(); 7650 if (UserHandle.getUserId(uid) != userId) { 7651 mContext.enforceCallingPermission( 7652 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7653 "getApplicationBlocked for user " + userId); 7654 } 7655 long callingId = Binder.clearCallingIdentity(); 7656 try { 7657 // writer 7658 synchronized (mPackages) { 7659 pkgSetting = mSettings.mPackages.get(packageName); 7660 if (pkgSetting == null) { 7661 return true; 7662 } 7663 return pkgSetting.getBlocked(userId); 7664 } 7665 } finally { 7666 Binder.restoreCallingIdentity(callingId); 7667 } 7668 } 7669 7670 /** 7671 * @hide 7672 */ 7673 @Override 7674 public int installExistingPackageAsUser(String packageName, int userId) { 7675 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7676 null); 7677 PackageSetting pkgSetting; 7678 final int uid = Binder.getCallingUid(); 7679 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7680 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7681 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7682 } 7683 7684 long callingId = Binder.clearCallingIdentity(); 7685 try { 7686 boolean sendAdded = false; 7687 Bundle extras = new Bundle(1); 7688 7689 // writer 7690 synchronized (mPackages) { 7691 pkgSetting = mSettings.mPackages.get(packageName); 7692 if (pkgSetting == null) { 7693 return PackageManager.INSTALL_FAILED_INVALID_URI; 7694 } 7695 if (!pkgSetting.getInstalled(userId)) { 7696 pkgSetting.setInstalled(true, userId); 7697 pkgSetting.setBlocked(false, userId); 7698 mSettings.writePackageRestrictionsLPr(userId); 7699 sendAdded = true; 7700 } 7701 } 7702 7703 if (sendAdded) { 7704 sendPackageAddedForUser(packageName, pkgSetting, userId); 7705 } 7706 } finally { 7707 Binder.restoreCallingIdentity(callingId); 7708 } 7709 7710 return PackageManager.INSTALL_SUCCEEDED; 7711 } 7712 7713 private boolean isUserRestricted(int userId, String restrictionKey) { 7714 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7715 if (restrictions.getBoolean(restrictionKey, false)) { 7716 Log.w(TAG, "User is restricted: " + restrictionKey); 7717 return true; 7718 } 7719 return false; 7720 } 7721 7722 @Override 7723 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7724 mContext.enforceCallingOrSelfPermission( 7725 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7726 "Only package verification agents can verify applications"); 7727 7728 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7729 final PackageVerificationResponse response = new PackageVerificationResponse( 7730 verificationCode, Binder.getCallingUid()); 7731 msg.arg1 = id; 7732 msg.obj = response; 7733 mHandler.sendMessage(msg); 7734 } 7735 7736 @Override 7737 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7738 long millisecondsToDelay) { 7739 mContext.enforceCallingOrSelfPermission( 7740 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7741 "Only package verification agents can extend verification timeouts"); 7742 7743 final PackageVerificationState state = mPendingVerification.get(id); 7744 final PackageVerificationResponse response = new PackageVerificationResponse( 7745 verificationCodeAtTimeout, Binder.getCallingUid()); 7746 7747 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7748 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7749 } 7750 if (millisecondsToDelay < 0) { 7751 millisecondsToDelay = 0; 7752 } 7753 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7754 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7755 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7756 } 7757 7758 if ((state != null) && !state.timeoutExtended()) { 7759 state.extendTimeout(); 7760 7761 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7762 msg.arg1 = id; 7763 msg.obj = response; 7764 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7765 } 7766 } 7767 7768 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7769 int verificationCode, UserHandle user) { 7770 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7771 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7772 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7773 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7774 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7775 7776 mContext.sendBroadcastAsUser(intent, user, 7777 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7778 } 7779 7780 private ComponentName matchComponentForVerifier(String packageName, 7781 List<ResolveInfo> receivers) { 7782 ActivityInfo targetReceiver = null; 7783 7784 final int NR = receivers.size(); 7785 for (int i = 0; i < NR; i++) { 7786 final ResolveInfo info = receivers.get(i); 7787 if (info.activityInfo == null) { 7788 continue; 7789 } 7790 7791 if (packageName.equals(info.activityInfo.packageName)) { 7792 targetReceiver = info.activityInfo; 7793 break; 7794 } 7795 } 7796 7797 if (targetReceiver == null) { 7798 return null; 7799 } 7800 7801 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7802 } 7803 7804 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7805 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7806 if (pkgInfo.verifiers.length == 0) { 7807 return null; 7808 } 7809 7810 final int N = pkgInfo.verifiers.length; 7811 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7812 for (int i = 0; i < N; i++) { 7813 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7814 7815 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7816 receivers); 7817 if (comp == null) { 7818 continue; 7819 } 7820 7821 final int verifierUid = getUidForVerifier(verifierInfo); 7822 if (verifierUid == -1) { 7823 continue; 7824 } 7825 7826 if (DEBUG_VERIFY) { 7827 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7828 + " with the correct signature"); 7829 } 7830 sufficientVerifiers.add(comp); 7831 verificationState.addSufficientVerifier(verifierUid); 7832 } 7833 7834 return sufficientVerifiers; 7835 } 7836 7837 private int getUidForVerifier(VerifierInfo verifierInfo) { 7838 synchronized (mPackages) { 7839 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7840 if (pkg == null) { 7841 return -1; 7842 } else if (pkg.mSignatures.length != 1) { 7843 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7844 + " has more than one signature; ignoring"); 7845 return -1; 7846 } 7847 7848 /* 7849 * If the public key of the package's signature does not match 7850 * our expected public key, then this is a different package and 7851 * we should skip. 7852 */ 7853 7854 final byte[] expectedPublicKey; 7855 try { 7856 final Signature verifierSig = pkg.mSignatures[0]; 7857 final PublicKey publicKey = verifierSig.getPublicKey(); 7858 expectedPublicKey = publicKey.getEncoded(); 7859 } catch (CertificateException e) { 7860 return -1; 7861 } 7862 7863 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7864 7865 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7866 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7867 + " does not have the expected public key; ignoring"); 7868 return -1; 7869 } 7870 7871 return pkg.applicationInfo.uid; 7872 } 7873 } 7874 7875 public void finishPackageInstall(int token) { 7876 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7877 7878 if (DEBUG_INSTALL) { 7879 Slog.v(TAG, "BM finishing package install for " + token); 7880 } 7881 7882 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7883 mHandler.sendMessage(msg); 7884 } 7885 7886 /** 7887 * Get the verification agent timeout. 7888 * 7889 * @return verification timeout in milliseconds 7890 */ 7891 private long getVerificationTimeout() { 7892 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7893 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7894 DEFAULT_VERIFICATION_TIMEOUT); 7895 } 7896 7897 /** 7898 * Get the default verification agent response code. 7899 * 7900 * @return default verification response code 7901 */ 7902 private int getDefaultVerificationResponse() { 7903 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7904 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7905 DEFAULT_VERIFICATION_RESPONSE); 7906 } 7907 7908 /** 7909 * Check whether or not package verification has been enabled. 7910 * 7911 * @return true if verification should be performed 7912 */ 7913 private boolean isVerificationEnabled(int flags) { 7914 if (!DEFAULT_VERIFY_ENABLE) { 7915 return false; 7916 } 7917 7918 // Check if installing from ADB 7919 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7920 // Do not run verification in a test harness environment 7921 if (ActivityManager.isRunningInTestHarness()) { 7922 return false; 7923 } 7924 // Check if the developer does not want package verification for ADB installs 7925 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7926 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7927 return false; 7928 } 7929 } 7930 7931 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7932 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7933 } 7934 7935 /** 7936 * Get the "allow unknown sources" setting. 7937 * 7938 * @return the current "allow unknown sources" setting 7939 */ 7940 private int getUnknownSourcesSettings() { 7941 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7942 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7943 -1); 7944 } 7945 7946 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7947 final int uid = Binder.getCallingUid(); 7948 // writer 7949 synchronized (mPackages) { 7950 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7951 if (targetPackageSetting == null) { 7952 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7953 } 7954 7955 PackageSetting installerPackageSetting; 7956 if (installerPackageName != null) { 7957 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7958 if (installerPackageSetting == null) { 7959 throw new IllegalArgumentException("Unknown installer package: " 7960 + installerPackageName); 7961 } 7962 } else { 7963 installerPackageSetting = null; 7964 } 7965 7966 Signature[] callerSignature; 7967 Object obj = mSettings.getUserIdLPr(uid); 7968 if (obj != null) { 7969 if (obj instanceof SharedUserSetting) { 7970 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7971 } else if (obj instanceof PackageSetting) { 7972 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7973 } else { 7974 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7975 } 7976 } else { 7977 throw new SecurityException("Unknown calling uid " + uid); 7978 } 7979 7980 // Verify: can't set installerPackageName to a package that is 7981 // not signed with the same cert as the caller. 7982 if (installerPackageSetting != null) { 7983 if (compareSignatures(callerSignature, 7984 installerPackageSetting.signatures.mSignatures) 7985 != PackageManager.SIGNATURE_MATCH) { 7986 throw new SecurityException( 7987 "Caller does not have same cert as new installer package " 7988 + installerPackageName); 7989 } 7990 } 7991 7992 // Verify: if target already has an installer package, it must 7993 // be signed with the same cert as the caller. 7994 if (targetPackageSetting.installerPackageName != null) { 7995 PackageSetting setting = mSettings.mPackages.get( 7996 targetPackageSetting.installerPackageName); 7997 // If the currently set package isn't valid, then it's always 7998 // okay to change it. 7999 if (setting != null) { 8000 if (compareSignatures(callerSignature, 8001 setting.signatures.mSignatures) 8002 != PackageManager.SIGNATURE_MATCH) { 8003 throw new SecurityException( 8004 "Caller does not have same cert as old installer package " 8005 + targetPackageSetting.installerPackageName); 8006 } 8007 } 8008 } 8009 8010 // Okay! 8011 targetPackageSetting.installerPackageName = installerPackageName; 8012 scheduleWriteSettingsLocked(); 8013 } 8014 } 8015 8016 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8017 // Queue up an async operation since the package installation may take a little while. 8018 mHandler.post(new Runnable() { 8019 public void run() { 8020 mHandler.removeCallbacks(this); 8021 // Result object to be returned 8022 PackageInstalledInfo res = new PackageInstalledInfo(); 8023 res.returnCode = currentStatus; 8024 res.uid = -1; 8025 res.pkg = null; 8026 res.removedInfo = new PackageRemovedInfo(); 8027 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8028 args.doPreInstall(res.returnCode); 8029 synchronized (mInstallLock) { 8030 installPackageLI(args, true, res); 8031 } 8032 args.doPostInstall(res.returnCode, res.uid); 8033 } 8034 8035 // A restore should be performed at this point if (a) the install 8036 // succeeded, (b) the operation is not an update, and (c) the new 8037 // package has a backupAgent defined. 8038 final boolean update = res.removedInfo.removedPackage != null; 8039 boolean doRestore = (!update 8040 && res.pkg != null 8041 && res.pkg.applicationInfo.backupAgentName != null); 8042 8043 // Set up the post-install work request bookkeeping. This will be used 8044 // and cleaned up by the post-install event handling regardless of whether 8045 // there's a restore pass performed. Token values are >= 1. 8046 int token; 8047 if (mNextInstallToken < 0) mNextInstallToken = 1; 8048 token = mNextInstallToken++; 8049 8050 PostInstallData data = new PostInstallData(args, res); 8051 mRunningInstalls.put(token, data); 8052 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8053 8054 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8055 // Pass responsibility to the Backup Manager. It will perform a 8056 // restore if appropriate, then pass responsibility back to the 8057 // Package Manager to run the post-install observer callbacks 8058 // and broadcasts. 8059 IBackupManager bm = IBackupManager.Stub.asInterface( 8060 ServiceManager.getService(Context.BACKUP_SERVICE)); 8061 if (bm != null) { 8062 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8063 + " to BM for possible restore"); 8064 try { 8065 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8066 } catch (RemoteException e) { 8067 // can't happen; the backup manager is local 8068 } catch (Exception e) { 8069 Slog.e(TAG, "Exception trying to enqueue restore", e); 8070 doRestore = false; 8071 } 8072 } else { 8073 Slog.e(TAG, "Backup Manager not found!"); 8074 doRestore = false; 8075 } 8076 } 8077 8078 if (!doRestore) { 8079 // No restore possible, or the Backup Manager was mysteriously not 8080 // available -- just fire the post-install work request directly. 8081 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8082 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8083 mHandler.sendMessage(msg); 8084 } 8085 } 8086 }); 8087 } 8088 8089 private abstract class HandlerParams { 8090 private static final int MAX_RETRIES = 4; 8091 8092 /** 8093 * Number of times startCopy() has been attempted and had a non-fatal 8094 * error. 8095 */ 8096 private int mRetries = 0; 8097 8098 /** User handle for the user requesting the information or installation. */ 8099 private final UserHandle mUser; 8100 8101 HandlerParams(UserHandle user) { 8102 mUser = user; 8103 } 8104 8105 UserHandle getUser() { 8106 return mUser; 8107 } 8108 8109 final boolean startCopy() { 8110 boolean res; 8111 try { 8112 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8113 8114 if (++mRetries > MAX_RETRIES) { 8115 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8116 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8117 handleServiceError(); 8118 return false; 8119 } else { 8120 handleStartCopy(); 8121 res = true; 8122 } 8123 } catch (RemoteException e) { 8124 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8125 mHandler.sendEmptyMessage(MCS_RECONNECT); 8126 res = false; 8127 } 8128 handleReturnCode(); 8129 return res; 8130 } 8131 8132 final void serviceError() { 8133 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8134 handleServiceError(); 8135 handleReturnCode(); 8136 } 8137 8138 abstract void handleStartCopy() throws RemoteException; 8139 abstract void handleServiceError(); 8140 abstract void handleReturnCode(); 8141 } 8142 8143 class MeasureParams extends HandlerParams { 8144 private final PackageStats mStats; 8145 private boolean mSuccess; 8146 8147 private final IPackageStatsObserver mObserver; 8148 8149 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8150 super(new UserHandle(stats.userHandle)); 8151 mObserver = observer; 8152 mStats = stats; 8153 } 8154 8155 @Override 8156 public String toString() { 8157 return "MeasureParams{" 8158 + Integer.toHexString(System.identityHashCode(this)) 8159 + " " + mStats.packageName + "}"; 8160 } 8161 8162 @Override 8163 void handleStartCopy() throws RemoteException { 8164 synchronized (mInstallLock) { 8165 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8166 } 8167 8168 if (mSuccess) { 8169 final boolean mounted; 8170 if (Environment.isExternalStorageEmulated()) { 8171 mounted = true; 8172 } else { 8173 final String status = Environment.getExternalStorageState(); 8174 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8175 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8176 } 8177 8178 if (mounted) { 8179 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8180 8181 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8182 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8183 8184 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8185 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8186 8187 // Always subtract cache size, since it's a subdirectory 8188 mStats.externalDataSize -= mStats.externalCacheSize; 8189 8190 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8191 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8192 8193 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8194 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8195 } 8196 } 8197 } 8198 8199 @Override 8200 void handleReturnCode() { 8201 if (mObserver != null) { 8202 try { 8203 mObserver.onGetStatsCompleted(mStats, mSuccess); 8204 } catch (RemoteException e) { 8205 Slog.i(TAG, "Observer no longer exists."); 8206 } 8207 } 8208 } 8209 8210 @Override 8211 void handleServiceError() { 8212 Slog.e(TAG, "Could not measure application " + mStats.packageName 8213 + " external storage"); 8214 } 8215 } 8216 8217 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8218 throws RemoteException { 8219 long result = 0; 8220 for (File path : paths) { 8221 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8222 } 8223 return result; 8224 } 8225 8226 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8227 for (File path : paths) { 8228 try { 8229 mcs.clearDirectory(path.getAbsolutePath()); 8230 } catch (RemoteException e) { 8231 } 8232 } 8233 } 8234 8235 class InstallParams extends HandlerParams { 8236 final IPackageInstallObserver observer; 8237 final IPackageInstallObserver2 observer2; 8238 int flags; 8239 8240 private final Uri mPackageURI; 8241 final String installerPackageName; 8242 final VerificationParams verificationParams; 8243 private InstallArgs mArgs; 8244 private int mRet; 8245 private File mTempPackage; 8246 final ContainerEncryptionParams encryptionParams; 8247 8248 InstallParams(Uri packageURI, 8249 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8250 int flags, String installerPackageName, VerificationParams verificationParams, 8251 ContainerEncryptionParams encryptionParams, UserHandle user) { 8252 super(user); 8253 this.mPackageURI = packageURI; 8254 this.flags = flags; 8255 this.observer = observer; 8256 this.observer2 = observer2; 8257 this.installerPackageName = installerPackageName; 8258 this.verificationParams = verificationParams; 8259 this.encryptionParams = encryptionParams; 8260 } 8261 8262 @Override 8263 public String toString() { 8264 return "InstallParams{" 8265 + Integer.toHexString(System.identityHashCode(this)) 8266 + " " + mPackageURI + "}"; 8267 } 8268 8269 public ManifestDigest getManifestDigest() { 8270 if (verificationParams == null) { 8271 return null; 8272 } 8273 return verificationParams.getManifestDigest(); 8274 } 8275 8276 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8277 String packageName = pkgLite.packageName; 8278 int installLocation = pkgLite.installLocation; 8279 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8280 // reader 8281 synchronized (mPackages) { 8282 PackageParser.Package pkg = mPackages.get(packageName); 8283 if (pkg != null) { 8284 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8285 // Check for downgrading. 8286 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8287 if (pkgLite.versionCode < pkg.mVersionCode) { 8288 Slog.w(TAG, "Can't install update of " + packageName 8289 + " update version " + pkgLite.versionCode 8290 + " is older than installed version " 8291 + pkg.mVersionCode); 8292 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8293 } 8294 } 8295 // Check for updated system application. 8296 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8297 if (onSd) { 8298 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8299 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8300 } 8301 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8302 } else { 8303 if (onSd) { 8304 // Install flag overrides everything. 8305 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8306 } 8307 // If current upgrade specifies particular preference 8308 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8309 // Application explicitly specified internal. 8310 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8311 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8312 // App explictly prefers external. Let policy decide 8313 } else { 8314 // Prefer previous location 8315 if (isExternal(pkg)) { 8316 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8317 } 8318 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8319 } 8320 } 8321 } else { 8322 // Invalid install. Return error code 8323 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8324 } 8325 } 8326 } 8327 // All the special cases have been taken care of. 8328 // Return result based on recommended install location. 8329 if (onSd) { 8330 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8331 } 8332 return pkgLite.recommendedInstallLocation; 8333 } 8334 8335 private long getMemoryLowThreshold() { 8336 final DeviceStorageMonitorInternal 8337 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8338 if (dsm == null) { 8339 return 0L; 8340 } 8341 return dsm.getMemoryLowThreshold(); 8342 } 8343 8344 /* 8345 * Invoke remote method to get package information and install 8346 * location values. Override install location based on default 8347 * policy if needed and then create install arguments based 8348 * on the install location. 8349 */ 8350 public void handleStartCopy() throws RemoteException { 8351 int ret = PackageManager.INSTALL_SUCCEEDED; 8352 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8353 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8354 PackageInfoLite pkgLite = null; 8355 8356 if (onInt && onSd) { 8357 // Check if both bits are set. 8358 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8359 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8360 } else { 8361 final long lowThreshold = getMemoryLowThreshold(); 8362 if (lowThreshold == 0L) { 8363 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8364 } 8365 8366 try { 8367 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8368 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8369 8370 final File packageFile; 8371 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8372 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8373 if (mTempPackage != null) { 8374 ParcelFileDescriptor out; 8375 try { 8376 out = ParcelFileDescriptor.open(mTempPackage, 8377 ParcelFileDescriptor.MODE_READ_WRITE); 8378 } catch (FileNotFoundException e) { 8379 out = null; 8380 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8381 } 8382 8383 // Make a temporary file for decryption. 8384 ret = mContainerService 8385 .copyResource(mPackageURI, encryptionParams, out); 8386 IoUtils.closeQuietly(out); 8387 8388 packageFile = mTempPackage; 8389 8390 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8391 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8392 | FileUtils.S_IROTH, 8393 -1, -1); 8394 } else { 8395 packageFile = null; 8396 } 8397 } else { 8398 packageFile = new File(mPackageURI.getPath()); 8399 } 8400 8401 if (packageFile != null) { 8402 // Remote call to find out default install location 8403 final String packageFilePath = packageFile.getAbsolutePath(); 8404 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8405 lowThreshold); 8406 8407 /* 8408 * If we have too little free space, try to free cache 8409 * before giving up. 8410 */ 8411 if (pkgLite.recommendedInstallLocation 8412 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8413 final long size = mContainerService.calculateInstalledSize( 8414 packageFilePath, isForwardLocked()); 8415 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8416 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8417 flags, lowThreshold); 8418 } 8419 /* 8420 * The cache free must have deleted the file we 8421 * downloaded to install. 8422 * 8423 * TODO: fix the "freeCache" call to not delete 8424 * the file we care about. 8425 */ 8426 if (pkgLite.recommendedInstallLocation 8427 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8428 pkgLite.recommendedInstallLocation 8429 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8430 } 8431 } 8432 } 8433 } finally { 8434 mContext.revokeUriPermission(mPackageURI, 8435 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8436 } 8437 } 8438 8439 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8440 int loc = pkgLite.recommendedInstallLocation; 8441 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8442 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8443 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8444 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8445 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8446 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8447 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8448 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8449 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8450 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8451 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8452 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8453 } else { 8454 // Override with defaults if needed. 8455 loc = installLocationPolicy(pkgLite, flags); 8456 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8457 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8458 } else if (!onSd && !onInt) { 8459 // Override install location with flags 8460 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8461 // Set the flag to install on external media. 8462 flags |= PackageManager.INSTALL_EXTERNAL; 8463 flags &= ~PackageManager.INSTALL_INTERNAL; 8464 } else { 8465 // Make sure the flag for installing on external 8466 // media is unset 8467 flags |= PackageManager.INSTALL_INTERNAL; 8468 flags &= ~PackageManager.INSTALL_EXTERNAL; 8469 } 8470 } 8471 } 8472 } 8473 8474 final InstallArgs args = createInstallArgs(this); 8475 mArgs = args; 8476 8477 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8478 /* 8479 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8480 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8481 */ 8482 int userIdentifier = getUser().getIdentifier(); 8483 if (userIdentifier == UserHandle.USER_ALL 8484 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8485 userIdentifier = UserHandle.USER_OWNER; 8486 } 8487 8488 /* 8489 * Determine if we have any installed package verifiers. If we 8490 * do, then we'll defer to them to verify the packages. 8491 */ 8492 final int requiredUid = mRequiredVerifierPackage == null ? -1 8493 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8494 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8495 final Intent verification = new Intent( 8496 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8497 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8498 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8499 8500 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8501 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8502 0 /* TODO: Which userId? */); 8503 8504 if (DEBUG_VERIFY) { 8505 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8506 + verification.toString() + " with " + pkgLite.verifiers.length 8507 + " optional verifiers"); 8508 } 8509 8510 final int verificationId = mPendingVerificationToken++; 8511 8512 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8513 8514 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8515 installerPackageName); 8516 8517 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8518 8519 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8520 pkgLite.packageName); 8521 8522 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8523 pkgLite.versionCode); 8524 8525 if (verificationParams != null) { 8526 if (verificationParams.getVerificationURI() != null) { 8527 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8528 verificationParams.getVerificationURI()); 8529 } 8530 if (verificationParams.getOriginatingURI() != null) { 8531 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8532 verificationParams.getOriginatingURI()); 8533 } 8534 if (verificationParams.getReferrer() != null) { 8535 verification.putExtra(Intent.EXTRA_REFERRER, 8536 verificationParams.getReferrer()); 8537 } 8538 if (verificationParams.getOriginatingUid() >= 0) { 8539 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8540 verificationParams.getOriginatingUid()); 8541 } 8542 if (verificationParams.getInstallerUid() >= 0) { 8543 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8544 verificationParams.getInstallerUid()); 8545 } 8546 } 8547 8548 final PackageVerificationState verificationState = new PackageVerificationState( 8549 requiredUid, args); 8550 8551 mPendingVerification.append(verificationId, verificationState); 8552 8553 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8554 receivers, verificationState); 8555 8556 /* 8557 * If any sufficient verifiers were listed in the package 8558 * manifest, attempt to ask them. 8559 */ 8560 if (sufficientVerifiers != null) { 8561 final int N = sufficientVerifiers.size(); 8562 if (N == 0) { 8563 Slog.i(TAG, "Additional verifiers required, but none installed."); 8564 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8565 } else { 8566 for (int i = 0; i < N; i++) { 8567 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8568 8569 final Intent sufficientIntent = new Intent(verification); 8570 sufficientIntent.setComponent(verifierComponent); 8571 8572 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8573 } 8574 } 8575 } 8576 8577 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8578 mRequiredVerifierPackage, receivers); 8579 if (ret == PackageManager.INSTALL_SUCCEEDED 8580 && mRequiredVerifierPackage != null) { 8581 /* 8582 * Send the intent to the required verification agent, 8583 * but only start the verification timeout after the 8584 * target BroadcastReceivers have run. 8585 */ 8586 verification.setComponent(requiredVerifierComponent); 8587 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8588 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8589 new BroadcastReceiver() { 8590 @Override 8591 public void onReceive(Context context, Intent intent) { 8592 final Message msg = mHandler 8593 .obtainMessage(CHECK_PENDING_VERIFICATION); 8594 msg.arg1 = verificationId; 8595 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8596 } 8597 }, null, 0, null, null); 8598 8599 /* 8600 * We don't want the copy to proceed until verification 8601 * succeeds, so null out this field. 8602 */ 8603 mArgs = null; 8604 } 8605 } else { 8606 /* 8607 * No package verification is enabled, so immediately start 8608 * the remote call to initiate copy using temporary file. 8609 */ 8610 ret = args.copyApk(mContainerService, true); 8611 } 8612 } 8613 8614 mRet = ret; 8615 } 8616 8617 @Override 8618 void handleReturnCode() { 8619 // If mArgs is null, then MCS couldn't be reached. When it 8620 // reconnects, it will try again to install. At that point, this 8621 // will succeed. 8622 if (mArgs != null) { 8623 processPendingInstall(mArgs, mRet); 8624 8625 if (mTempPackage != null) { 8626 if (!mTempPackage.delete()) { 8627 Slog.w(TAG, "Couldn't delete temporary file: " + 8628 mTempPackage.getAbsolutePath()); 8629 } 8630 } 8631 } 8632 } 8633 8634 @Override 8635 void handleServiceError() { 8636 mArgs = createInstallArgs(this); 8637 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8638 } 8639 8640 public boolean isForwardLocked() { 8641 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8642 } 8643 8644 public Uri getPackageUri() { 8645 if (mTempPackage != null) { 8646 return Uri.fromFile(mTempPackage); 8647 } else { 8648 return mPackageURI; 8649 } 8650 } 8651 } 8652 8653 /* 8654 * Utility class used in movePackage api. 8655 * srcArgs and targetArgs are not set for invalid flags and make 8656 * sure to do null checks when invoking methods on them. 8657 * We probably want to return ErrorPrams for both failed installs 8658 * and moves. 8659 */ 8660 class MoveParams extends HandlerParams { 8661 final IPackageMoveObserver observer; 8662 final int flags; 8663 final String packageName; 8664 final InstallArgs srcArgs; 8665 final InstallArgs targetArgs; 8666 int uid; 8667 int mRet; 8668 8669 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8670 String packageName, String dataDir, String instructionSet, 8671 int uid, UserHandle user) { 8672 super(user); 8673 this.srcArgs = srcArgs; 8674 this.observer = observer; 8675 this.flags = flags; 8676 this.packageName = packageName; 8677 this.uid = uid; 8678 if (srcArgs != null) { 8679 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8680 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8681 } else { 8682 targetArgs = null; 8683 } 8684 } 8685 8686 @Override 8687 public String toString() { 8688 return "MoveParams{" 8689 + Integer.toHexString(System.identityHashCode(this)) 8690 + " " + packageName + "}"; 8691 } 8692 8693 public void handleStartCopy() throws RemoteException { 8694 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8695 // Check for storage space on target medium 8696 if (!targetArgs.checkFreeStorage(mContainerService)) { 8697 Log.w(TAG, "Insufficient storage to install"); 8698 return; 8699 } 8700 8701 mRet = srcArgs.doPreCopy(); 8702 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8703 return; 8704 } 8705 8706 mRet = targetArgs.copyApk(mContainerService, false); 8707 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8708 srcArgs.doPostCopy(uid); 8709 return; 8710 } 8711 8712 mRet = srcArgs.doPostCopy(uid); 8713 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8714 return; 8715 } 8716 8717 mRet = targetArgs.doPreInstall(mRet); 8718 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8719 return; 8720 } 8721 8722 if (DEBUG_SD_INSTALL) { 8723 StringBuilder builder = new StringBuilder(); 8724 if (srcArgs != null) { 8725 builder.append("src: "); 8726 builder.append(srcArgs.getCodePath()); 8727 } 8728 if (targetArgs != null) { 8729 builder.append(" target : "); 8730 builder.append(targetArgs.getCodePath()); 8731 } 8732 Log.i(TAG, builder.toString()); 8733 } 8734 } 8735 8736 @Override 8737 void handleReturnCode() { 8738 targetArgs.doPostInstall(mRet, uid); 8739 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8740 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8741 currentStatus = PackageManager.MOVE_SUCCEEDED; 8742 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8743 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8744 } 8745 processPendingMove(this, currentStatus); 8746 } 8747 8748 @Override 8749 void handleServiceError() { 8750 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8751 } 8752 } 8753 8754 /** 8755 * Used during creation of InstallArgs 8756 * 8757 * @param flags package installation flags 8758 * @return true if should be installed on external storage 8759 */ 8760 private static boolean installOnSd(int flags) { 8761 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8762 return false; 8763 } 8764 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8765 return true; 8766 } 8767 return false; 8768 } 8769 8770 /** 8771 * Used during creation of InstallArgs 8772 * 8773 * @param flags package installation flags 8774 * @return true if should be installed as forward locked 8775 */ 8776 private static boolean installForwardLocked(int flags) { 8777 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8778 } 8779 8780 private InstallArgs createInstallArgs(InstallParams params) { 8781 if (installOnSd(params.flags) || params.isForwardLocked()) { 8782 return new AsecInstallArgs(params); 8783 } else { 8784 return new FileInstallArgs(params); 8785 } 8786 } 8787 8788 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8789 String nativeLibraryPath, String instructionSet) { 8790 final boolean isInAsec; 8791 if (installOnSd(flags)) { 8792 /* Apps on SD card are always in ASEC containers. */ 8793 isInAsec = true; 8794 } else if (installForwardLocked(flags) 8795 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8796 /* 8797 * Forward-locked apps are only in ASEC containers if they're the 8798 * new style 8799 */ 8800 isInAsec = true; 8801 } else { 8802 isInAsec = false; 8803 } 8804 8805 if (isInAsec) { 8806 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8807 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8808 } else { 8809 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8810 instructionSet); 8811 } 8812 } 8813 8814 // Used by package mover 8815 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8816 String instructionSet) { 8817 if (installOnSd(flags) || installForwardLocked(flags)) { 8818 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8819 + AsecInstallArgs.RES_FILE_NAME); 8820 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8821 installForwardLocked(flags)); 8822 } else { 8823 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8824 } 8825 } 8826 8827 static abstract class InstallArgs { 8828 final IPackageInstallObserver observer; 8829 final IPackageInstallObserver2 observer2; 8830 // Always refers to PackageManager flags only 8831 final int flags; 8832 final Uri packageURI; 8833 final String installerPackageName; 8834 final ManifestDigest manifestDigest; 8835 final UserHandle user; 8836 final String instructionSet; 8837 8838 InstallArgs(Uri packageURI, 8839 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8840 int flags, String installerPackageName, ManifestDigest manifestDigest, 8841 UserHandle user, String instructionSet) { 8842 this.packageURI = packageURI; 8843 this.flags = flags; 8844 this.observer = observer; 8845 this.observer2 = observer2; 8846 this.installerPackageName = installerPackageName; 8847 this.manifestDigest = manifestDigest; 8848 this.user = user; 8849 this.instructionSet = instructionSet; 8850 } 8851 8852 abstract void createCopyFile(); 8853 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8854 abstract int doPreInstall(int status); 8855 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8856 8857 abstract int doPostInstall(int status, int uid); 8858 abstract String getCodePath(); 8859 abstract String getResourcePath(); 8860 abstract String getNativeLibraryPath(); 8861 // Need installer lock especially for dex file removal. 8862 abstract void cleanUpResourcesLI(); 8863 abstract boolean doPostDeleteLI(boolean delete); 8864 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8865 8866 /** 8867 * Called before the source arguments are copied. This is used mostly 8868 * for MoveParams when it needs to read the source file to put it in the 8869 * destination. 8870 */ 8871 int doPreCopy() { 8872 return PackageManager.INSTALL_SUCCEEDED; 8873 } 8874 8875 /** 8876 * Called after the source arguments are copied. This is used mostly for 8877 * MoveParams when it needs to read the source file to put it in the 8878 * destination. 8879 * 8880 * @return 8881 */ 8882 int doPostCopy(int uid) { 8883 return PackageManager.INSTALL_SUCCEEDED; 8884 } 8885 8886 protected boolean isFwdLocked() { 8887 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8888 } 8889 8890 UserHandle getUser() { 8891 return user; 8892 } 8893 } 8894 8895 class FileInstallArgs extends InstallArgs { 8896 File installDir; 8897 String codeFileName; 8898 String resourceFileName; 8899 String libraryPath; 8900 boolean created = false; 8901 8902 FileInstallArgs(InstallParams params) { 8903 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 8904 params.installerPackageName, params.getManifestDigest(), 8905 params.getUser(), null /* instruction set */); 8906 } 8907 8908 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8909 String instructionSet) { 8910 super(null, null, null, 0, null, null, null, instructionSet); 8911 File codeFile = new File(fullCodePath); 8912 installDir = codeFile.getParentFile(); 8913 codeFileName = fullCodePath; 8914 resourceFileName = fullResourcePath; 8915 libraryPath = nativeLibraryPath; 8916 } 8917 8918 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 8919 super(packageURI, null, null, 0, null, null, null, instructionSet); 8920 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8921 String apkName = getNextCodePath(null, pkgName, ".apk"); 8922 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8923 resourceFileName = getResourcePathFromCodePath(); 8924 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8925 } 8926 8927 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8928 final long lowThreshold; 8929 8930 final DeviceStorageMonitorInternal 8931 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8932 if (dsm == null) { 8933 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8934 lowThreshold = 0L; 8935 } else { 8936 if (dsm.isMemoryLow()) { 8937 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8938 return false; 8939 } 8940 8941 lowThreshold = dsm.getMemoryLowThreshold(); 8942 } 8943 8944 try { 8945 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8946 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8947 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8948 } finally { 8949 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8950 } 8951 } 8952 8953 String getCodePath() { 8954 return codeFileName; 8955 } 8956 8957 void createCopyFile() { 8958 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8959 codeFileName = createTempPackageFile(installDir).getPath(); 8960 resourceFileName = getResourcePathFromCodePath(); 8961 libraryPath = getLibraryPathFromCodePath(); 8962 created = true; 8963 } 8964 8965 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8966 if (temp) { 8967 // Generate temp file name 8968 createCopyFile(); 8969 } 8970 // Get a ParcelFileDescriptor to write to the output file 8971 File codeFile = new File(codeFileName); 8972 if (!created) { 8973 try { 8974 codeFile.createNewFile(); 8975 // Set permissions 8976 if (!setPermissions()) { 8977 // Failed setting permissions. 8978 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8979 } 8980 } catch (IOException e) { 8981 Slog.w(TAG, "Failed to create file " + codeFile); 8982 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8983 } 8984 } 8985 ParcelFileDescriptor out = null; 8986 try { 8987 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8988 } catch (FileNotFoundException e) { 8989 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8990 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8991 } 8992 // Copy the resource now 8993 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8994 try { 8995 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8996 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8997 ret = imcs.copyResource(packageURI, null, out); 8998 } finally { 8999 IoUtils.closeQuietly(out); 9000 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9001 } 9002 9003 if (isFwdLocked()) { 9004 final File destResourceFile = new File(getResourcePath()); 9005 9006 // Copy the public files 9007 try { 9008 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9009 } catch (IOException e) { 9010 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9011 + " forward-locked app."); 9012 destResourceFile.delete(); 9013 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9014 } 9015 } 9016 9017 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9018 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9019 if (nativeLibraryFile.exists()) { 9020 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9021 nativeLibraryFile.delete(); 9022 } 9023 try { 9024 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 9025 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9026 return copyRet; 9027 } 9028 } catch (IOException e) { 9029 Slog.e(TAG, "Copying native libraries failed", e); 9030 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9031 } 9032 9033 return ret; 9034 } 9035 9036 int doPreInstall(int status) { 9037 if (status != PackageManager.INSTALL_SUCCEEDED) { 9038 cleanUp(); 9039 } 9040 return status; 9041 } 9042 9043 boolean doRename(int status, final String pkgName, String oldCodePath) { 9044 if (status != PackageManager.INSTALL_SUCCEEDED) { 9045 cleanUp(); 9046 return false; 9047 } else { 9048 final File oldCodeFile = new File(getCodePath()); 9049 final File oldResourceFile = new File(getResourcePath()); 9050 final File oldLibraryFile = new File(getNativeLibraryPath()); 9051 9052 // Rename APK file based on packageName 9053 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9054 final File newCodeFile = new File(installDir, apkName + ".apk"); 9055 if (!oldCodeFile.renameTo(newCodeFile)) { 9056 return false; 9057 } 9058 codeFileName = newCodeFile.getPath(); 9059 9060 // Rename public resource file if it's forward-locked. 9061 final File newResFile = new File(getResourcePathFromCodePath()); 9062 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9063 return false; 9064 } 9065 resourceFileName = newResFile.getPath(); 9066 9067 // Rename library path 9068 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9069 if (newLibraryFile.exists()) { 9070 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9071 newLibraryFile.delete(); 9072 } 9073 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9074 Slog.e(TAG, "Cannot rename native library directory " 9075 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9076 return false; 9077 } 9078 libraryPath = newLibraryFile.getPath(); 9079 9080 // Attempt to set permissions 9081 if (!setPermissions()) { 9082 return false; 9083 } 9084 9085 if (!SELinux.restorecon(newCodeFile)) { 9086 return false; 9087 } 9088 9089 return true; 9090 } 9091 } 9092 9093 int doPostInstall(int status, int uid) { 9094 if (status != PackageManager.INSTALL_SUCCEEDED) { 9095 cleanUp(); 9096 } 9097 return status; 9098 } 9099 9100 String getResourcePath() { 9101 return resourceFileName; 9102 } 9103 9104 private String getResourcePathFromCodePath() { 9105 final String codePath = getCodePath(); 9106 if (isFwdLocked()) { 9107 final StringBuilder sb = new StringBuilder(); 9108 9109 sb.append(mAppInstallDir.getPath()); 9110 sb.append('/'); 9111 sb.append(getApkName(codePath)); 9112 sb.append(".zip"); 9113 9114 /* 9115 * If our APK is a temporary file, mark the resource as a 9116 * temporary file as well so it can be cleaned up after 9117 * catastrophic failure. 9118 */ 9119 if (codePath.endsWith(".tmp")) { 9120 sb.append(".tmp"); 9121 } 9122 9123 return sb.toString(); 9124 } else { 9125 return codePath; 9126 } 9127 } 9128 9129 private String getLibraryPathFromCodePath() { 9130 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9131 } 9132 9133 @Override 9134 String getNativeLibraryPath() { 9135 if (libraryPath == null) { 9136 libraryPath = getLibraryPathFromCodePath(); 9137 } 9138 return libraryPath; 9139 } 9140 9141 private boolean cleanUp() { 9142 boolean ret = true; 9143 String sourceDir = getCodePath(); 9144 String publicSourceDir = getResourcePath(); 9145 if (sourceDir != null) { 9146 File sourceFile = new File(sourceDir); 9147 if (!sourceFile.exists()) { 9148 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9149 ret = false; 9150 } 9151 // Delete application's code and resources 9152 sourceFile.delete(); 9153 } 9154 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9155 final File publicSourceFile = new File(publicSourceDir); 9156 if (!publicSourceFile.exists()) { 9157 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9158 } 9159 if (publicSourceFile.exists()) { 9160 publicSourceFile.delete(); 9161 } 9162 } 9163 9164 if (libraryPath != null) { 9165 File nativeLibraryFile = new File(libraryPath); 9166 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9167 if (!nativeLibraryFile.delete()) { 9168 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9169 } 9170 } 9171 9172 return ret; 9173 } 9174 9175 void cleanUpResourcesLI() { 9176 String sourceDir = getCodePath(); 9177 if (cleanUp()) { 9178 if (instructionSet == null) { 9179 throw new IllegalStateException("instructionSet == null"); 9180 } 9181 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9182 if (retCode < 0) { 9183 Slog.w(TAG, "Couldn't remove dex file for package: " 9184 + " at location " 9185 + sourceDir + ", retcode=" + retCode); 9186 // we don't consider this to be a failure of the core package deletion 9187 } 9188 } 9189 } 9190 9191 private boolean setPermissions() { 9192 // TODO Do this in a more elegant way later on. for now just a hack 9193 if (!isFwdLocked()) { 9194 final int filePermissions = 9195 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9196 |FileUtils.S_IROTH; 9197 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9198 if (retCode != 0) { 9199 Slog.e(TAG, "Couldn't set new package file permissions for " + 9200 getCodePath() 9201 + ". The return code was: " + retCode); 9202 // TODO Define new internal error 9203 return false; 9204 } 9205 return true; 9206 } 9207 return true; 9208 } 9209 9210 boolean doPostDeleteLI(boolean delete) { 9211 // XXX err, shouldn't we respect the delete flag? 9212 cleanUpResourcesLI(); 9213 return true; 9214 } 9215 } 9216 9217 private boolean isAsecExternal(String cid) { 9218 final String asecPath = PackageHelper.getSdFilesystem(cid); 9219 return !asecPath.startsWith(mAsecInternalPath); 9220 } 9221 9222 /** 9223 * Extract the MountService "container ID" from the full code path of an 9224 * .apk. 9225 */ 9226 static String cidFromCodePath(String fullCodePath) { 9227 int eidx = fullCodePath.lastIndexOf("/"); 9228 String subStr1 = fullCodePath.substring(0, eidx); 9229 int sidx = subStr1.lastIndexOf("/"); 9230 return subStr1.substring(sidx+1, eidx); 9231 } 9232 9233 class AsecInstallArgs extends InstallArgs { 9234 static final String RES_FILE_NAME = "pkg.apk"; 9235 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9236 9237 String cid; 9238 String packagePath; 9239 String resourcePath; 9240 String libraryPath; 9241 9242 AsecInstallArgs(InstallParams params) { 9243 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9244 params.installerPackageName, params.getManifestDigest(), 9245 params.getUser(), null /* instruction set */); 9246 } 9247 9248 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9249 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9250 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9251 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9252 null, null, null, instructionSet); 9253 // Extract cid from fullCodePath 9254 int eidx = fullCodePath.lastIndexOf("/"); 9255 String subStr1 = fullCodePath.substring(0, eidx); 9256 int sidx = subStr1.lastIndexOf("/"); 9257 cid = subStr1.substring(sidx+1, eidx); 9258 setCachePath(subStr1); 9259 } 9260 9261 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9262 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9263 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9264 null, null, null, instructionSet); 9265 this.cid = cid; 9266 setCachePath(PackageHelper.getSdDir(cid)); 9267 } 9268 9269 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9270 boolean isExternal, boolean isForwardLocked) { 9271 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9272 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9273 null, null, null, instructionSet); 9274 this.cid = cid; 9275 } 9276 9277 void createCopyFile() { 9278 cid = getTempContainerId(); 9279 } 9280 9281 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9282 try { 9283 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9284 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9285 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 9286 } finally { 9287 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9288 } 9289 } 9290 9291 private final boolean isExternal() { 9292 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9293 } 9294 9295 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9296 if (temp) { 9297 createCopyFile(); 9298 } else { 9299 /* 9300 * Pre-emptively destroy the container since it's destroyed if 9301 * copying fails due to it existing anyway. 9302 */ 9303 PackageHelper.destroySdDir(cid); 9304 } 9305 9306 final String newCachePath; 9307 try { 9308 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9309 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9310 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9311 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 9312 } finally { 9313 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9314 } 9315 9316 if (newCachePath != null) { 9317 setCachePath(newCachePath); 9318 return PackageManager.INSTALL_SUCCEEDED; 9319 } else { 9320 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9321 } 9322 } 9323 9324 @Override 9325 String getCodePath() { 9326 return packagePath; 9327 } 9328 9329 @Override 9330 String getResourcePath() { 9331 return resourcePath; 9332 } 9333 9334 @Override 9335 String getNativeLibraryPath() { 9336 return libraryPath; 9337 } 9338 9339 int doPreInstall(int status) { 9340 if (status != PackageManager.INSTALL_SUCCEEDED) { 9341 // Destroy container 9342 PackageHelper.destroySdDir(cid); 9343 } else { 9344 boolean mounted = PackageHelper.isContainerMounted(cid); 9345 if (!mounted) { 9346 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9347 Process.SYSTEM_UID); 9348 if (newCachePath != null) { 9349 setCachePath(newCachePath); 9350 } else { 9351 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9352 } 9353 } 9354 } 9355 return status; 9356 } 9357 9358 boolean doRename(int status, final String pkgName, 9359 String oldCodePath) { 9360 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9361 String newCachePath = null; 9362 if (PackageHelper.isContainerMounted(cid)) { 9363 // Unmount the container 9364 if (!PackageHelper.unMountSdDir(cid)) { 9365 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9366 return false; 9367 } 9368 } 9369 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9370 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9371 " which might be stale. Will try to clean up."); 9372 // Clean up the stale container and proceed to recreate. 9373 if (!PackageHelper.destroySdDir(newCacheId)) { 9374 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9375 return false; 9376 } 9377 // Successfully cleaned up stale container. Try to rename again. 9378 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9379 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9380 + " inspite of cleaning it up."); 9381 return false; 9382 } 9383 } 9384 if (!PackageHelper.isContainerMounted(newCacheId)) { 9385 Slog.w(TAG, "Mounting container " + newCacheId); 9386 newCachePath = PackageHelper.mountSdDir(newCacheId, 9387 getEncryptKey(), Process.SYSTEM_UID); 9388 } else { 9389 newCachePath = PackageHelper.getSdDir(newCacheId); 9390 } 9391 if (newCachePath == null) { 9392 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9393 return false; 9394 } 9395 Log.i(TAG, "Succesfully renamed " + cid + 9396 " to " + newCacheId + 9397 " at new path: " + newCachePath); 9398 cid = newCacheId; 9399 setCachePath(newCachePath); 9400 return true; 9401 } 9402 9403 private void setCachePath(String newCachePath) { 9404 File cachePath = new File(newCachePath); 9405 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9406 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9407 9408 if (isFwdLocked()) { 9409 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9410 } else { 9411 resourcePath = packagePath; 9412 } 9413 } 9414 9415 int doPostInstall(int status, int uid) { 9416 if (status != PackageManager.INSTALL_SUCCEEDED) { 9417 cleanUp(); 9418 } else { 9419 final int groupOwner; 9420 final String protectedFile; 9421 if (isFwdLocked()) { 9422 groupOwner = UserHandle.getSharedAppGid(uid); 9423 protectedFile = RES_FILE_NAME; 9424 } else { 9425 groupOwner = -1; 9426 protectedFile = null; 9427 } 9428 9429 if (uid < Process.FIRST_APPLICATION_UID 9430 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9431 Slog.e(TAG, "Failed to finalize " + cid); 9432 PackageHelper.destroySdDir(cid); 9433 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9434 } 9435 9436 boolean mounted = PackageHelper.isContainerMounted(cid); 9437 if (!mounted) { 9438 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9439 } 9440 } 9441 return status; 9442 } 9443 9444 private void cleanUp() { 9445 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9446 9447 // Destroy secure container 9448 PackageHelper.destroySdDir(cid); 9449 } 9450 9451 void cleanUpResourcesLI() { 9452 String sourceFile = getCodePath(); 9453 // Remove dex file 9454 if (instructionSet == null) { 9455 throw new IllegalStateException("instructionSet == null"); 9456 } 9457 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9458 if (retCode < 0) { 9459 Slog.w(TAG, "Couldn't remove dex file for package: " 9460 + " at location " 9461 + sourceFile.toString() + ", retcode=" + retCode); 9462 // we don't consider this to be a failure of the core package deletion 9463 } 9464 cleanUp(); 9465 } 9466 9467 boolean matchContainer(String app) { 9468 if (cid.startsWith(app)) { 9469 return true; 9470 } 9471 return false; 9472 } 9473 9474 String getPackageName() { 9475 return getAsecPackageName(cid); 9476 } 9477 9478 boolean doPostDeleteLI(boolean delete) { 9479 boolean ret = false; 9480 boolean mounted = PackageHelper.isContainerMounted(cid); 9481 if (mounted) { 9482 // Unmount first 9483 ret = PackageHelper.unMountSdDir(cid); 9484 } 9485 if (ret && delete) { 9486 cleanUpResourcesLI(); 9487 } 9488 return ret; 9489 } 9490 9491 @Override 9492 int doPreCopy() { 9493 if (isFwdLocked()) { 9494 if (!PackageHelper.fixSdPermissions(cid, 9495 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9496 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9497 } 9498 } 9499 9500 return PackageManager.INSTALL_SUCCEEDED; 9501 } 9502 9503 @Override 9504 int doPostCopy(int uid) { 9505 if (isFwdLocked()) { 9506 if (uid < Process.FIRST_APPLICATION_UID 9507 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9508 RES_FILE_NAME)) { 9509 Slog.e(TAG, "Failed to finalize " + cid); 9510 PackageHelper.destroySdDir(cid); 9511 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9512 } 9513 } 9514 9515 return PackageManager.INSTALL_SUCCEEDED; 9516 } 9517 }; 9518 9519 static String getAsecPackageName(String packageCid) { 9520 int idx = packageCid.lastIndexOf("-"); 9521 if (idx == -1) { 9522 return packageCid; 9523 } 9524 return packageCid.substring(0, idx); 9525 } 9526 9527 // Utility method used to create code paths based on package name and available index. 9528 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9529 String idxStr = ""; 9530 int idx = 1; 9531 // Fall back to default value of idx=1 if prefix is not 9532 // part of oldCodePath 9533 if (oldCodePath != null) { 9534 String subStr = oldCodePath; 9535 // Drop the suffix right away 9536 if (subStr.endsWith(suffix)) { 9537 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9538 } 9539 // If oldCodePath already contains prefix find out the 9540 // ending index to either increment or decrement. 9541 int sidx = subStr.lastIndexOf(prefix); 9542 if (sidx != -1) { 9543 subStr = subStr.substring(sidx + prefix.length()); 9544 if (subStr != null) { 9545 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9546 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9547 } 9548 try { 9549 idx = Integer.parseInt(subStr); 9550 if (idx <= 1) { 9551 idx++; 9552 } else { 9553 idx--; 9554 } 9555 } catch(NumberFormatException e) { 9556 } 9557 } 9558 } 9559 } 9560 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9561 return prefix + idxStr; 9562 } 9563 9564 // Utility method used to ignore ADD/REMOVE events 9565 // by directory observer. 9566 private static boolean ignoreCodePath(String fullPathStr) { 9567 String apkName = getApkName(fullPathStr); 9568 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9569 if (idx != -1 && ((idx+1) < apkName.length())) { 9570 // Make sure the package ends with a numeral 9571 String version = apkName.substring(idx+1); 9572 try { 9573 Integer.parseInt(version); 9574 return true; 9575 } catch (NumberFormatException e) {} 9576 } 9577 return false; 9578 } 9579 9580 // Utility method that returns the relative package path with respect 9581 // to the installation directory. Like say for /data/data/com.test-1.apk 9582 // string com.test-1 is returned. 9583 static String getApkName(String codePath) { 9584 if (codePath == null) { 9585 return null; 9586 } 9587 int sidx = codePath.lastIndexOf("/"); 9588 int eidx = codePath.lastIndexOf("."); 9589 if (eidx == -1) { 9590 eidx = codePath.length(); 9591 } else if (eidx == 0) { 9592 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9593 return null; 9594 } 9595 return codePath.substring(sidx+1, eidx); 9596 } 9597 9598 class PackageInstalledInfo { 9599 String name; 9600 int uid; 9601 // The set of users that originally had this package installed. 9602 int[] origUsers; 9603 // The set of users that now have this package installed. 9604 int[] newUsers; 9605 PackageParser.Package pkg; 9606 int returnCode; 9607 PackageRemovedInfo removedInfo; 9608 9609 // In some error cases we want to convey more info back to the observer 9610 String origPackage; 9611 String origPermission; 9612 } 9613 9614 /* 9615 * Install a non-existing package. 9616 */ 9617 private void installNewPackageLI(PackageParser.Package pkg, 9618 int parseFlags, int scanMode, UserHandle user, 9619 String installerPackageName, PackageInstalledInfo res) { 9620 // Remember this for later, in case we need to rollback this install 9621 String pkgName = pkg.packageName; 9622 9623 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9624 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9625 synchronized(mPackages) { 9626 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9627 // A package with the same name is already installed, though 9628 // it has been renamed to an older name. The package we 9629 // are trying to install should be installed as an update to 9630 // the existing one, but that has not been requested, so bail. 9631 Slog.w(TAG, "Attempt to re-install " + pkgName 9632 + " without first uninstalling package running as " 9633 + mSettings.mRenamedPackages.get(pkgName)); 9634 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9635 return; 9636 } 9637 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9638 // Don't allow installation over an existing package with the same name. 9639 Slog.w(TAG, "Attempt to re-install " + pkgName 9640 + " without first uninstalling."); 9641 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9642 return; 9643 } 9644 } 9645 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9646 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9647 System.currentTimeMillis(), user); 9648 if (newPackage == null) { 9649 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9650 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9651 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9652 } 9653 } else { 9654 updateSettingsLI(newPackage, 9655 installerPackageName, 9656 null, null, 9657 res); 9658 // delete the partially installed application. the data directory will have to be 9659 // restored if it was already existing 9660 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9661 // remove package from internal structures. Note that we want deletePackageX to 9662 // delete the package data and cache directories that it created in 9663 // scanPackageLocked, unless those directories existed before we even tried to 9664 // install. 9665 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9666 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9667 res.removedInfo, true); 9668 } 9669 } 9670 } 9671 9672 private void replacePackageLI(PackageParser.Package pkg, 9673 int parseFlags, int scanMode, UserHandle user, 9674 String installerPackageName, PackageInstalledInfo res) { 9675 9676 PackageParser.Package oldPackage; 9677 String pkgName = pkg.packageName; 9678 int[] allUsers; 9679 boolean[] perUserInstalled; 9680 9681 // First find the old package info and check signatures 9682 synchronized(mPackages) { 9683 oldPackage = mPackages.get(pkgName); 9684 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9685 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9686 != PackageManager.SIGNATURE_MATCH) { 9687 Slog.w(TAG, "New package has a different signature: " + pkgName); 9688 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9689 return; 9690 } 9691 9692 // In case of rollback, remember per-user/profile install state 9693 PackageSetting ps = mSettings.mPackages.get(pkgName); 9694 allUsers = sUserManager.getUserIds(); 9695 perUserInstalled = new boolean[allUsers.length]; 9696 for (int i = 0; i < allUsers.length; i++) { 9697 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9698 } 9699 } 9700 boolean sysPkg = (isSystemApp(oldPackage)); 9701 if (sysPkg) { 9702 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9703 user, allUsers, perUserInstalled, installerPackageName, res); 9704 } else { 9705 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9706 user, allUsers, perUserInstalled, installerPackageName, res); 9707 } 9708 } 9709 9710 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9711 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9712 int[] allUsers, boolean[] perUserInstalled, 9713 String installerPackageName, PackageInstalledInfo res) { 9714 PackageParser.Package newPackage = null; 9715 String pkgName = deletedPackage.packageName; 9716 boolean deletedPkg = true; 9717 boolean updatedSettings = false; 9718 9719 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9720 + deletedPackage); 9721 long origUpdateTime; 9722 if (pkg.mExtras != null) { 9723 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9724 } else { 9725 origUpdateTime = 0; 9726 } 9727 9728 // First delete the existing package while retaining the data directory 9729 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9730 res.removedInfo, true)) { 9731 // If the existing package wasn't successfully deleted 9732 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9733 deletedPkg = false; 9734 } else { 9735 // Successfully deleted the old package. Now proceed with re-installation 9736 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9737 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9738 System.currentTimeMillis(), user); 9739 if (newPackage == null) { 9740 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9741 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9742 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9743 } 9744 } else { 9745 updateSettingsLI(newPackage, 9746 installerPackageName, 9747 allUsers, perUserInstalled, 9748 res); 9749 updatedSettings = true; 9750 } 9751 } 9752 9753 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9754 // remove package from internal structures. Note that we want deletePackageX to 9755 // delete the package data and cache directories that it created in 9756 // scanPackageLocked, unless those directories existed before we even tried to 9757 // install. 9758 if(updatedSettings) { 9759 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9760 deletePackageLI( 9761 pkgName, null, true, allUsers, perUserInstalled, 9762 PackageManager.DELETE_KEEP_DATA, 9763 res.removedInfo, true); 9764 } 9765 // Since we failed to install the new package we need to restore the old 9766 // package that we deleted. 9767 if(deletedPkg) { 9768 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9769 File restoreFile = new File(deletedPackage.mPath); 9770 // Parse old package 9771 boolean oldOnSd = isExternal(deletedPackage); 9772 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9773 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9774 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9775 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9776 | SCAN_UPDATE_TIME; 9777 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9778 origUpdateTime, null) == null) { 9779 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9780 return; 9781 } 9782 // Restore of old package succeeded. Update permissions. 9783 // writer 9784 synchronized (mPackages) { 9785 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9786 UPDATE_PERMISSIONS_ALL); 9787 // can downgrade to reader 9788 mSettings.writeLPr(); 9789 } 9790 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9791 } 9792 } 9793 } 9794 9795 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9796 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9797 int[] allUsers, boolean[] perUserInstalled, 9798 String installerPackageName, PackageInstalledInfo res) { 9799 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9800 + ", old=" + deletedPackage); 9801 PackageParser.Package newPackage = null; 9802 boolean updatedSettings = false; 9803 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9804 PackageParser.PARSE_IS_SYSTEM; 9805 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9806 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9807 } 9808 String packageName = deletedPackage.packageName; 9809 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9810 if (packageName == null) { 9811 Slog.w(TAG, "Attempt to delete null packageName."); 9812 return; 9813 } 9814 PackageParser.Package oldPkg; 9815 PackageSetting oldPkgSetting; 9816 // reader 9817 synchronized (mPackages) { 9818 oldPkg = mPackages.get(packageName); 9819 oldPkgSetting = mSettings.mPackages.get(packageName); 9820 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9821 (oldPkgSetting == null)) { 9822 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9823 return; 9824 } 9825 } 9826 9827 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9828 9829 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9830 res.removedInfo.removedPackage = packageName; 9831 // Remove existing system package 9832 removePackageLI(oldPkgSetting, true); 9833 // writer 9834 synchronized (mPackages) { 9835 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9836 // We didn't need to disable the .apk as a current system package, 9837 // which means we are replacing another update that is already 9838 // installed. We need to make sure to delete the older one's .apk. 9839 res.removedInfo.args = createInstallArgs(0, 9840 deletedPackage.applicationInfo.sourceDir, 9841 deletedPackage.applicationInfo.publicSourceDir, 9842 deletedPackage.applicationInfo.nativeLibraryDir, 9843 getAppInstructionSet(deletedPackage.applicationInfo)); 9844 } else { 9845 res.removedInfo.args = null; 9846 } 9847 } 9848 9849 // Successfully disabled the old package. Now proceed with re-installation 9850 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9851 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9852 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9853 if (newPackage == null) { 9854 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9855 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9856 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9857 } 9858 } else { 9859 if (newPackage.mExtras != null) { 9860 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9861 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9862 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9863 9864 // is the update attempting to change shared user? that isn't going to work... 9865 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 9866 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 9867 + " to " + newPkgSetting.sharedUser); 9868 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 9869 updatedSettings = true; 9870 } 9871 } 9872 9873 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 9874 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9875 updatedSettings = true; 9876 } 9877 } 9878 9879 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9880 // Re installation failed. Restore old information 9881 // Remove new pkg information 9882 if (newPackage != null) { 9883 removeInstalledPackageLI(newPackage, true); 9884 } 9885 // Add back the old system package 9886 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9887 // Restore the old system information in Settings 9888 synchronized(mPackages) { 9889 if (updatedSettings) { 9890 mSettings.enableSystemPackageLPw(packageName); 9891 mSettings.setInstallerPackageName(packageName, 9892 oldPkgSetting.installerPackageName); 9893 } 9894 mSettings.writeLPr(); 9895 } 9896 } 9897 } 9898 9899 // Utility method used to move dex files during install. 9900 private int moveDexFilesLI(PackageParser.Package newPackage) { 9901 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9902 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 9903 int retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath, 9904 instructionSet); 9905 if (retCode != 0) { 9906 /* 9907 * Programs may be lazily run through dexopt, so the 9908 * source may not exist. However, something seems to 9909 * have gone wrong, so note that dexopt needs to be 9910 * run again and remove the source file. In addition, 9911 * remove the target to make sure there isn't a stale 9912 * file from a previous version of the package. 9913 */ 9914 newPackage.mDexOptNeeded = true; 9915 mInstaller.rmdex(newPackage.mScanPath, instructionSet); 9916 mInstaller.rmdex(newPackage.mPath, instructionSet); 9917 } 9918 } 9919 return PackageManager.INSTALL_SUCCEEDED; 9920 } 9921 9922 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9923 int[] allUsers, boolean[] perUserInstalled, 9924 PackageInstalledInfo res) { 9925 String pkgName = newPackage.packageName; 9926 synchronized (mPackages) { 9927 //write settings. the installStatus will be incomplete at this stage. 9928 //note that the new package setting would have already been 9929 //added to mPackages. It hasn't been persisted yet. 9930 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9931 mSettings.writeLPr(); 9932 } 9933 9934 if ((res.returnCode = moveDexFilesLI(newPackage)) 9935 != PackageManager.INSTALL_SUCCEEDED) { 9936 // Discontinue if moving dex files failed. 9937 return; 9938 } 9939 9940 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9941 9942 synchronized (mPackages) { 9943 updatePermissionsLPw(newPackage.packageName, newPackage, 9944 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9945 ? UPDATE_PERMISSIONS_ALL : 0)); 9946 // For system-bundled packages, we assume that installing an upgraded version 9947 // of the package implies that the user actually wants to run that new code, 9948 // so we enable the package. 9949 if (isSystemApp(newPackage)) { 9950 // NB: implicit assumption that system package upgrades apply to all users 9951 if (DEBUG_INSTALL) { 9952 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9953 } 9954 PackageSetting ps = mSettings.mPackages.get(pkgName); 9955 if (ps != null) { 9956 if (res.origUsers != null) { 9957 for (int userHandle : res.origUsers) { 9958 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9959 userHandle, installerPackageName); 9960 } 9961 } 9962 // Also convey the prior install/uninstall state 9963 if (allUsers != null && perUserInstalled != null) { 9964 for (int i = 0; i < allUsers.length; i++) { 9965 if (DEBUG_INSTALL) { 9966 Slog.d(TAG, " user " + allUsers[i] 9967 + " => " + perUserInstalled[i]); 9968 } 9969 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9970 } 9971 // these install state changes will be persisted in the 9972 // upcoming call to mSettings.writeLPr(). 9973 } 9974 } 9975 } 9976 res.name = pkgName; 9977 res.uid = newPackage.applicationInfo.uid; 9978 res.pkg = newPackage; 9979 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9980 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9981 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9982 //to update install status 9983 mSettings.writeLPr(); 9984 } 9985 } 9986 9987 private void installPackageLI(InstallArgs args, 9988 boolean newInstall, PackageInstalledInfo res) { 9989 int pFlags = args.flags; 9990 String installerPackageName = args.installerPackageName; 9991 File tmpPackageFile = new File(args.getCodePath()); 9992 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9993 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9994 boolean replace = false; 9995 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9996 | (newInstall ? SCAN_NEW_INSTALL : 0); 9997 // Result object to be returned 9998 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9999 10000 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10001 // Retrieve PackageSettings and parse package 10002 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10003 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10004 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10005 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 10006 pp.setSeparateProcesses(mSeparateProcesses); 10007 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 10008 null, mMetrics, parseFlags); 10009 if (pkg == null) { 10010 res.returnCode = pp.getParseError(); 10011 return; 10012 } 10013 String pkgName = res.name = pkg.packageName; 10014 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10015 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10016 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10017 return; 10018 } 10019 } 10020 if (!pp.collectCertificates(pkg, parseFlags)) { 10021 res.returnCode = pp.getParseError(); 10022 return; 10023 } 10024 10025 /* If the installer passed in a manifest digest, compare it now. */ 10026 if (args.manifestDigest != null) { 10027 if (DEBUG_INSTALL) { 10028 final String parsedManifest = pkg.manifestDigest == null ? "null" 10029 : pkg.manifestDigest.toString(); 10030 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10031 + parsedManifest); 10032 } 10033 10034 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10035 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10036 return; 10037 } 10038 } else if (DEBUG_INSTALL) { 10039 final String parsedManifest = pkg.manifestDigest == null 10040 ? "null" : pkg.manifestDigest.toString(); 10041 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10042 } 10043 10044 // Get rid of all references to package scan path via parser. 10045 pp = null; 10046 String oldCodePath = null; 10047 boolean systemApp = false; 10048 synchronized (mPackages) { 10049 // Check whether the newly-scanned package wants to define an already-defined perm 10050 int N = pkg.permissions.size(); 10051 for (int i = 0; i < N; i++) { 10052 PackageParser.Permission perm = pkg.permissions.get(i); 10053 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10054 if (bp != null) { 10055 // If the defining package is signed with our cert, it's okay. This 10056 // also includes the "updating the same package" case, of course. 10057 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10058 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10059 Slog.w(TAG, "Package " + pkg.packageName 10060 + " attempting to redeclare permission " + perm.info.name 10061 + " already owned by " + bp.sourcePackage); 10062 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10063 res.origPermission = perm.info.name; 10064 res.origPackage = bp.sourcePackage; 10065 return; 10066 } 10067 } 10068 } 10069 10070 // Check if installing already existing package 10071 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10072 String oldName = mSettings.mRenamedPackages.get(pkgName); 10073 if (pkg.mOriginalPackages != null 10074 && pkg.mOriginalPackages.contains(oldName) 10075 && mPackages.containsKey(oldName)) { 10076 // This package is derived from an original package, 10077 // and this device has been updating from that original 10078 // name. We must continue using the original name, so 10079 // rename the new package here. 10080 pkg.setPackageName(oldName); 10081 pkgName = pkg.packageName; 10082 replace = true; 10083 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10084 + oldName + " pkgName=" + pkgName); 10085 } else if (mPackages.containsKey(pkgName)) { 10086 // This package, under its official name, already exists 10087 // on the device; we should replace it. 10088 replace = true; 10089 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10090 } 10091 } 10092 PackageSetting ps = mSettings.mPackages.get(pkgName); 10093 if (ps != null) { 10094 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10095 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10096 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10097 systemApp = (ps.pkg.applicationInfo.flags & 10098 ApplicationInfo.FLAG_SYSTEM) != 0; 10099 } 10100 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10101 } 10102 } 10103 10104 if (systemApp && onSd) { 10105 // Disable updates to system apps on sdcard 10106 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10107 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10108 return; 10109 } 10110 10111 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10112 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10113 return; 10114 } 10115 // Set application objects path explicitly after the rename 10116 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 10117 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10118 if (replace) { 10119 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10120 installerPackageName, res); 10121 } else { 10122 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10123 installerPackageName, res); 10124 } 10125 synchronized (mPackages) { 10126 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10127 if (ps != null) { 10128 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10129 } 10130 } 10131 } 10132 10133 private static boolean isForwardLocked(PackageParser.Package pkg) { 10134 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10135 } 10136 10137 10138 private boolean isForwardLocked(PackageSetting ps) { 10139 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10140 } 10141 10142 private static boolean isExternal(PackageParser.Package pkg) { 10143 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10144 } 10145 10146 private static boolean isExternal(PackageSetting ps) { 10147 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10148 } 10149 10150 private static boolean isSystemApp(PackageParser.Package pkg) { 10151 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10152 } 10153 10154 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10155 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10156 } 10157 10158 private static boolean isSystemApp(ApplicationInfo info) { 10159 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10160 } 10161 10162 private static boolean isSystemApp(PackageSetting ps) { 10163 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10164 } 10165 10166 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10167 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10168 } 10169 10170 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10171 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10172 } 10173 10174 private int packageFlagsToInstallFlags(PackageSetting ps) { 10175 int installFlags = 0; 10176 if (isExternal(ps)) { 10177 installFlags |= PackageManager.INSTALL_EXTERNAL; 10178 } 10179 if (isForwardLocked(ps)) { 10180 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10181 } 10182 return installFlags; 10183 } 10184 10185 private void deleteTempPackageFiles() { 10186 final FilenameFilter filter = new FilenameFilter() { 10187 public boolean accept(File dir, String name) { 10188 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10189 } 10190 }; 10191 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10192 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10193 } 10194 10195 private static final void deleteTempPackageFilesInDirectory(File directory, 10196 FilenameFilter filter) { 10197 final String[] tmpFilesList = directory.list(filter); 10198 if (tmpFilesList == null) { 10199 return; 10200 } 10201 for (int i = 0; i < tmpFilesList.length; i++) { 10202 final File tmpFile = new File(directory, tmpFilesList[i]); 10203 tmpFile.delete(); 10204 } 10205 } 10206 10207 private File createTempPackageFile(File installDir) { 10208 File tmpPackageFile; 10209 try { 10210 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10211 } catch (IOException e) { 10212 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10213 return null; 10214 } 10215 try { 10216 FileUtils.setPermissions( 10217 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10218 -1, -1); 10219 if (!SELinux.restorecon(tmpPackageFile)) { 10220 return null; 10221 } 10222 } catch (IOException e) { 10223 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10224 return null; 10225 } 10226 return tmpPackageFile; 10227 } 10228 10229 @Override 10230 public void deletePackageAsUser(final String packageName, 10231 final IPackageDeleteObserver observer, 10232 final int userId, final int flags) { 10233 mContext.enforceCallingOrSelfPermission( 10234 android.Manifest.permission.DELETE_PACKAGES, null); 10235 final int uid = Binder.getCallingUid(); 10236 if (UserHandle.getUserId(uid) != userId) { 10237 mContext.enforceCallingPermission( 10238 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10239 "deletePackage for user " + userId); 10240 } 10241 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10242 try { 10243 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10244 } catch (RemoteException re) { 10245 } 10246 return; 10247 } 10248 10249 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10250 // Queue up an async operation since the package deletion may take a little while. 10251 mHandler.post(new Runnable() { 10252 public void run() { 10253 mHandler.removeCallbacks(this); 10254 final int returnCode = deletePackageX(packageName, userId, flags); 10255 if (observer != null) { 10256 try { 10257 observer.packageDeleted(packageName, returnCode); 10258 } catch (RemoteException e) { 10259 Log.i(TAG, "Observer no longer exists."); 10260 } //end catch 10261 } //end if 10262 } //end run 10263 }); 10264 } 10265 10266 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10267 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10268 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10269 try { 10270 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10271 || dpm.isDeviceOwner(packageName))) { 10272 return true; 10273 } 10274 } catch (RemoteException e) { 10275 } 10276 return false; 10277 } 10278 10279 /** 10280 * This method is an internal method that could be get invoked either 10281 * to delete an installed package or to clean up a failed installation. 10282 * After deleting an installed package, a broadcast is sent to notify any 10283 * listeners that the package has been installed. For cleaning up a failed 10284 * installation, the broadcast is not necessary since the package's 10285 * installation wouldn't have sent the initial broadcast either 10286 * The key steps in deleting a package are 10287 * deleting the package information in internal structures like mPackages, 10288 * deleting the packages base directories through installd 10289 * updating mSettings to reflect current status 10290 * persisting settings for later use 10291 * sending a broadcast if necessary 10292 */ 10293 private int deletePackageX(String packageName, int userId, int flags) { 10294 final PackageRemovedInfo info = new PackageRemovedInfo(); 10295 final boolean res; 10296 10297 if (isPackageDeviceAdmin(packageName, userId)) { 10298 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10299 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10300 } 10301 10302 boolean removedForAllUsers = false; 10303 boolean systemUpdate = false; 10304 10305 // for the uninstall-updates case and restricted profiles, remember the per- 10306 // userhandle installed state 10307 int[] allUsers; 10308 boolean[] perUserInstalled; 10309 synchronized (mPackages) { 10310 PackageSetting ps = mSettings.mPackages.get(packageName); 10311 allUsers = sUserManager.getUserIds(); 10312 perUserInstalled = new boolean[allUsers.length]; 10313 for (int i = 0; i < allUsers.length; i++) { 10314 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10315 } 10316 } 10317 10318 synchronized (mInstallLock) { 10319 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10320 res = deletePackageLI(packageName, 10321 (flags & PackageManager.DELETE_ALL_USERS) != 0 10322 ? UserHandle.ALL : new UserHandle(userId), 10323 true, allUsers, perUserInstalled, 10324 flags | REMOVE_CHATTY, info, true); 10325 systemUpdate = info.isRemovedPackageSystemUpdate; 10326 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10327 removedForAllUsers = true; 10328 } 10329 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10330 + " removedForAllUsers=" + removedForAllUsers); 10331 } 10332 10333 if (res) { 10334 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10335 10336 // If the removed package was a system update, the old system package 10337 // was re-enabled; we need to broadcast this information 10338 if (systemUpdate) { 10339 Bundle extras = new Bundle(1); 10340 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10341 ? info.removedAppId : info.uid); 10342 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10343 10344 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10345 extras, null, null, null); 10346 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10347 extras, null, null, null); 10348 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10349 null, packageName, null, null); 10350 } 10351 } 10352 // Force a gc here. 10353 Runtime.getRuntime().gc(); 10354 // Delete the resources here after sending the broadcast to let 10355 // other processes clean up before deleting resources. 10356 if (info.args != null) { 10357 synchronized (mInstallLock) { 10358 info.args.doPostDeleteLI(true); 10359 } 10360 } 10361 10362 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10363 } 10364 10365 static class PackageRemovedInfo { 10366 String removedPackage; 10367 int uid = -1; 10368 int removedAppId = -1; 10369 int[] removedUsers = null; 10370 boolean isRemovedPackageSystemUpdate = false; 10371 // Clean up resources deleted packages. 10372 InstallArgs args = null; 10373 10374 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10375 Bundle extras = new Bundle(1); 10376 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10377 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10378 if (replacing) { 10379 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10380 } 10381 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10382 if (removedPackage != null) { 10383 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10384 extras, null, null, removedUsers); 10385 if (fullRemove && !replacing) { 10386 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10387 extras, null, null, removedUsers); 10388 } 10389 } 10390 if (removedAppId >= 0) { 10391 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10392 removedUsers); 10393 } 10394 } 10395 } 10396 10397 /* 10398 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10399 * flag is not set, the data directory is removed as well. 10400 * make sure this flag is set for partially installed apps. If not its meaningless to 10401 * delete a partially installed application. 10402 */ 10403 private void removePackageDataLI(PackageSetting ps, 10404 int[] allUserHandles, boolean[] perUserInstalled, 10405 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10406 String packageName = ps.name; 10407 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10408 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10409 // Retrieve object to delete permissions for shared user later on 10410 final PackageSetting deletedPs; 10411 // reader 10412 synchronized (mPackages) { 10413 deletedPs = mSettings.mPackages.get(packageName); 10414 if (outInfo != null) { 10415 outInfo.removedPackage = packageName; 10416 outInfo.removedUsers = deletedPs != null 10417 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10418 : null; 10419 } 10420 } 10421 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10422 removeDataDirsLI(packageName); 10423 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10424 } 10425 // writer 10426 synchronized (mPackages) { 10427 if (deletedPs != null) { 10428 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10429 if (outInfo != null) { 10430 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10431 } 10432 if (deletedPs != null) { 10433 updatePermissionsLPw(deletedPs.name, null, 0); 10434 if (deletedPs.sharedUser != null) { 10435 // remove permissions associated with package 10436 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10437 } 10438 } 10439 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10440 } 10441 // make sure to preserve per-user disabled state if this removal was just 10442 // a downgrade of a system app to the factory package 10443 if (allUserHandles != null && perUserInstalled != null) { 10444 if (DEBUG_REMOVE) { 10445 Slog.d(TAG, "Propagating install state across downgrade"); 10446 } 10447 for (int i = 0; i < allUserHandles.length; i++) { 10448 if (DEBUG_REMOVE) { 10449 Slog.d(TAG, " user " + allUserHandles[i] 10450 + " => " + perUserInstalled[i]); 10451 } 10452 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10453 } 10454 } 10455 } 10456 // can downgrade to reader 10457 if (writeSettings) { 10458 // Save settings now 10459 mSettings.writeLPr(); 10460 } 10461 } 10462 if (outInfo != null) { 10463 // A user ID was deleted here. Go through all users and remove it 10464 // from KeyStore. 10465 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10466 } 10467 } 10468 10469 static boolean locationIsPrivileged(File path) { 10470 try { 10471 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10472 .getCanonicalPath(); 10473 return path.getCanonicalPath().startsWith(privilegedAppDir); 10474 } catch (IOException e) { 10475 Slog.e(TAG, "Unable to access code path " + path); 10476 } 10477 return false; 10478 } 10479 10480 /* 10481 * Tries to delete system package. 10482 */ 10483 private boolean deleteSystemPackageLI(PackageSetting newPs, 10484 int[] allUserHandles, boolean[] perUserInstalled, 10485 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10486 final boolean applyUserRestrictions 10487 = (allUserHandles != null) && (perUserInstalled != null); 10488 PackageSetting disabledPs = null; 10489 // Confirm if the system package has been updated 10490 // An updated system app can be deleted. This will also have to restore 10491 // the system pkg from system partition 10492 // reader 10493 synchronized (mPackages) { 10494 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10495 } 10496 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10497 + " disabledPs=" + disabledPs); 10498 if (disabledPs == null) { 10499 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10500 return false; 10501 } else if (DEBUG_REMOVE) { 10502 Slog.d(TAG, "Deleting system pkg from data partition"); 10503 } 10504 if (DEBUG_REMOVE) { 10505 if (applyUserRestrictions) { 10506 Slog.d(TAG, "Remembering install states:"); 10507 for (int i = 0; i < allUserHandles.length; i++) { 10508 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10509 } 10510 } 10511 } 10512 // Delete the updated package 10513 outInfo.isRemovedPackageSystemUpdate = true; 10514 if (disabledPs.versionCode < newPs.versionCode) { 10515 // Delete data for downgrades 10516 flags &= ~PackageManager.DELETE_KEEP_DATA; 10517 } else { 10518 // Preserve data by setting flag 10519 flags |= PackageManager.DELETE_KEEP_DATA; 10520 } 10521 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10522 allUserHandles, perUserInstalled, outInfo, writeSettings); 10523 if (!ret) { 10524 return false; 10525 } 10526 // writer 10527 synchronized (mPackages) { 10528 // Reinstate the old system package 10529 mSettings.enableSystemPackageLPw(newPs.name); 10530 // Remove any native libraries from the upgraded package. 10531 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10532 } 10533 // Install the system package 10534 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10535 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10536 if (locationIsPrivileged(disabledPs.codePath)) { 10537 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10538 } 10539 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10540 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 10541 10542 if (newPkg == null) { 10543 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10544 + " with error:" + mLastScanError); 10545 return false; 10546 } 10547 // writer 10548 synchronized (mPackages) { 10549 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10550 setInternalAppNativeLibraryPath(newPkg, ps); 10551 updatePermissionsLPw(newPkg.packageName, newPkg, 10552 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10553 if (applyUserRestrictions) { 10554 if (DEBUG_REMOVE) { 10555 Slog.d(TAG, "Propagating install state across reinstall"); 10556 } 10557 for (int i = 0; i < allUserHandles.length; i++) { 10558 if (DEBUG_REMOVE) { 10559 Slog.d(TAG, " user " + allUserHandles[i] 10560 + " => " + perUserInstalled[i]); 10561 } 10562 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10563 } 10564 // Regardless of writeSettings we need to ensure that this restriction 10565 // state propagation is persisted 10566 mSettings.writeAllUsersPackageRestrictionsLPr(); 10567 } 10568 // can downgrade to reader here 10569 if (writeSettings) { 10570 mSettings.writeLPr(); 10571 } 10572 } 10573 return true; 10574 } 10575 10576 private boolean deleteInstalledPackageLI(PackageSetting ps, 10577 boolean deleteCodeAndResources, int flags, 10578 int[] allUserHandles, boolean[] perUserInstalled, 10579 PackageRemovedInfo outInfo, boolean writeSettings) { 10580 if (outInfo != null) { 10581 outInfo.uid = ps.appId; 10582 } 10583 10584 // Delete package data from internal structures and also remove data if flag is set 10585 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10586 10587 // Delete application code and resources 10588 if (deleteCodeAndResources && (outInfo != null)) { 10589 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10590 ps.resourcePathString, ps.nativeLibraryPathString, 10591 getAppInstructionSetFromSettings(ps)); 10592 } 10593 return true; 10594 } 10595 10596 /* 10597 * This method handles package deletion in general 10598 */ 10599 private boolean deletePackageLI(String packageName, UserHandle user, 10600 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10601 int flags, PackageRemovedInfo outInfo, 10602 boolean writeSettings) { 10603 if (packageName == null) { 10604 Slog.w(TAG, "Attempt to delete null packageName."); 10605 return false; 10606 } 10607 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10608 PackageSetting ps; 10609 boolean dataOnly = false; 10610 int removeUser = -1; 10611 int appId = -1; 10612 synchronized (mPackages) { 10613 ps = mSettings.mPackages.get(packageName); 10614 if (ps == null) { 10615 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10616 return false; 10617 } 10618 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10619 && user.getIdentifier() != UserHandle.USER_ALL) { 10620 // The caller is asking that the package only be deleted for a single 10621 // user. To do this, we just mark its uninstalled state and delete 10622 // its data. If this is a system app, we only allow this to happen if 10623 // they have set the special DELETE_SYSTEM_APP which requests different 10624 // semantics than normal for uninstalling system apps. 10625 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10626 ps.setUserState(user.getIdentifier(), 10627 COMPONENT_ENABLED_STATE_DEFAULT, 10628 false, //installed 10629 true, //stopped 10630 true, //notLaunched 10631 false, //blocked 10632 null, null, null); 10633 if (!isSystemApp(ps)) { 10634 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10635 // Other user still have this package installed, so all 10636 // we need to do is clear this user's data and save that 10637 // it is uninstalled. 10638 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10639 removeUser = user.getIdentifier(); 10640 appId = ps.appId; 10641 mSettings.writePackageRestrictionsLPr(removeUser); 10642 } else { 10643 // We need to set it back to 'installed' so the uninstall 10644 // broadcasts will be sent correctly. 10645 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10646 ps.setInstalled(true, user.getIdentifier()); 10647 } 10648 } else { 10649 // This is a system app, so we assume that the 10650 // other users still have this package installed, so all 10651 // we need to do is clear this user's data and save that 10652 // it is uninstalled. 10653 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10654 removeUser = user.getIdentifier(); 10655 appId = ps.appId; 10656 mSettings.writePackageRestrictionsLPr(removeUser); 10657 } 10658 } 10659 } 10660 10661 if (removeUser >= 0) { 10662 // From above, we determined that we are deleting this only 10663 // for a single user. Continue the work here. 10664 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10665 if (outInfo != null) { 10666 outInfo.removedPackage = packageName; 10667 outInfo.removedAppId = appId; 10668 outInfo.removedUsers = new int[] {removeUser}; 10669 } 10670 mInstaller.clearUserData(packageName, removeUser); 10671 removeKeystoreDataIfNeeded(removeUser, appId); 10672 schedulePackageCleaning(packageName, removeUser, false); 10673 return true; 10674 } 10675 10676 if (dataOnly) { 10677 // Delete application data first 10678 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10679 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10680 return true; 10681 } 10682 10683 boolean ret = false; 10684 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10685 if (isSystemApp(ps)) { 10686 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10687 // When an updated system application is deleted we delete the existing resources as well and 10688 // fall back to existing code in system partition 10689 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10690 flags, outInfo, writeSettings); 10691 } else { 10692 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10693 // Kill application pre-emptively especially for apps on sd. 10694 killApplication(packageName, ps.appId, "uninstall pkg"); 10695 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10696 allUserHandles, perUserInstalled, 10697 outInfo, writeSettings); 10698 } 10699 10700 return ret; 10701 } 10702 10703 private final class ClearStorageConnection implements ServiceConnection { 10704 IMediaContainerService mContainerService; 10705 10706 @Override 10707 public void onServiceConnected(ComponentName name, IBinder service) { 10708 synchronized (this) { 10709 mContainerService = IMediaContainerService.Stub.asInterface(service); 10710 notifyAll(); 10711 } 10712 } 10713 10714 @Override 10715 public void onServiceDisconnected(ComponentName name) { 10716 } 10717 } 10718 10719 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10720 final boolean mounted; 10721 if (Environment.isExternalStorageEmulated()) { 10722 mounted = true; 10723 } else { 10724 final String status = Environment.getExternalStorageState(); 10725 10726 mounted = status.equals(Environment.MEDIA_MOUNTED) 10727 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10728 } 10729 10730 if (!mounted) { 10731 return; 10732 } 10733 10734 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10735 int[] users; 10736 if (userId == UserHandle.USER_ALL) { 10737 users = sUserManager.getUserIds(); 10738 } else { 10739 users = new int[] { userId }; 10740 } 10741 final ClearStorageConnection conn = new ClearStorageConnection(); 10742 if (mContext.bindServiceAsUser( 10743 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10744 try { 10745 for (int curUser : users) { 10746 long timeout = SystemClock.uptimeMillis() + 5000; 10747 synchronized (conn) { 10748 long now = SystemClock.uptimeMillis(); 10749 while (conn.mContainerService == null && now < timeout) { 10750 try { 10751 conn.wait(timeout - now); 10752 } catch (InterruptedException e) { 10753 } 10754 } 10755 } 10756 if (conn.mContainerService == null) { 10757 return; 10758 } 10759 10760 final UserEnvironment userEnv = new UserEnvironment(curUser); 10761 clearDirectory(conn.mContainerService, 10762 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10763 if (allData) { 10764 clearDirectory(conn.mContainerService, 10765 userEnv.buildExternalStorageAppDataDirs(packageName)); 10766 clearDirectory(conn.mContainerService, 10767 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10768 } 10769 } 10770 } finally { 10771 mContext.unbindService(conn); 10772 } 10773 } 10774 } 10775 10776 @Override 10777 public void clearApplicationUserData(final String packageName, 10778 final IPackageDataObserver observer, final int userId) { 10779 mContext.enforceCallingOrSelfPermission( 10780 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10781 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10782 // Queue up an async operation since the package deletion may take a little while. 10783 mHandler.post(new Runnable() { 10784 public void run() { 10785 mHandler.removeCallbacks(this); 10786 final boolean succeeded; 10787 synchronized (mInstallLock) { 10788 succeeded = clearApplicationUserDataLI(packageName, userId); 10789 } 10790 clearExternalStorageDataSync(packageName, userId, true); 10791 if (succeeded) { 10792 // invoke DeviceStorageMonitor's update method to clear any notifications 10793 DeviceStorageMonitorInternal 10794 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10795 if (dsm != null) { 10796 dsm.checkMemory(); 10797 } 10798 } 10799 if(observer != null) { 10800 try { 10801 observer.onRemoveCompleted(packageName, succeeded); 10802 } catch (RemoteException e) { 10803 Log.i(TAG, "Observer no longer exists."); 10804 } 10805 } //end if observer 10806 } //end run 10807 }); 10808 } 10809 10810 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10811 if (packageName == null) { 10812 Slog.w(TAG, "Attempt to delete null packageName."); 10813 return false; 10814 } 10815 PackageParser.Package p; 10816 boolean dataOnly = false; 10817 final int appId; 10818 synchronized (mPackages) { 10819 p = mPackages.get(packageName); 10820 if (p == null) { 10821 dataOnly = true; 10822 PackageSetting ps = mSettings.mPackages.get(packageName); 10823 if ((ps == null) || (ps.pkg == null)) { 10824 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10825 return false; 10826 } 10827 p = ps.pkg; 10828 } 10829 if (!dataOnly) { 10830 // need to check this only for fully installed applications 10831 if (p == null) { 10832 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10833 return false; 10834 } 10835 final ApplicationInfo applicationInfo = p.applicationInfo; 10836 if (applicationInfo == null) { 10837 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10838 return false; 10839 } 10840 } 10841 if (p != null && p.applicationInfo != null) { 10842 appId = p.applicationInfo.uid; 10843 } else { 10844 appId = -1; 10845 } 10846 } 10847 int retCode = mInstaller.clearUserData(packageName, userId); 10848 if (retCode < 0) { 10849 Slog.w(TAG, "Couldn't remove cache files for package: " 10850 + packageName); 10851 return false; 10852 } 10853 removeKeystoreDataIfNeeded(userId, appId); 10854 return true; 10855 } 10856 10857 /** 10858 * Remove entries from the keystore daemon. Will only remove it if the 10859 * {@code appId} is valid. 10860 */ 10861 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10862 if (appId < 0) { 10863 return; 10864 } 10865 10866 final KeyStore keyStore = KeyStore.getInstance(); 10867 if (keyStore != null) { 10868 if (userId == UserHandle.USER_ALL) { 10869 for (final int individual : sUserManager.getUserIds()) { 10870 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10871 } 10872 } else { 10873 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10874 } 10875 } else { 10876 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10877 } 10878 } 10879 10880 public void deleteApplicationCacheFiles(final String packageName, 10881 final IPackageDataObserver observer) { 10882 mContext.enforceCallingOrSelfPermission( 10883 android.Manifest.permission.DELETE_CACHE_FILES, null); 10884 // Queue up an async operation since the package deletion may take a little while. 10885 final int userId = UserHandle.getCallingUserId(); 10886 mHandler.post(new Runnable() { 10887 public void run() { 10888 mHandler.removeCallbacks(this); 10889 final boolean succeded; 10890 synchronized (mInstallLock) { 10891 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10892 } 10893 clearExternalStorageDataSync(packageName, userId, false); 10894 if(observer != null) { 10895 try { 10896 observer.onRemoveCompleted(packageName, succeded); 10897 } catch (RemoteException e) { 10898 Log.i(TAG, "Observer no longer exists."); 10899 } 10900 } //end if observer 10901 } //end run 10902 }); 10903 } 10904 10905 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10906 if (packageName == null) { 10907 Slog.w(TAG, "Attempt to delete null packageName."); 10908 return false; 10909 } 10910 PackageParser.Package p; 10911 synchronized (mPackages) { 10912 p = mPackages.get(packageName); 10913 } 10914 if (p == null) { 10915 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10916 return false; 10917 } 10918 final ApplicationInfo applicationInfo = p.applicationInfo; 10919 if (applicationInfo == null) { 10920 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10921 return false; 10922 } 10923 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10924 if (retCode < 0) { 10925 Slog.w(TAG, "Couldn't remove cache files for package: " 10926 + packageName + " u" + userId); 10927 return false; 10928 } 10929 return true; 10930 } 10931 10932 public void getPackageSizeInfo(final String packageName, int userHandle, 10933 final IPackageStatsObserver observer) { 10934 mContext.enforceCallingOrSelfPermission( 10935 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10936 if (packageName == null) { 10937 throw new IllegalArgumentException("Attempt to get size of null packageName"); 10938 } 10939 10940 PackageStats stats = new PackageStats(packageName, userHandle); 10941 10942 /* 10943 * Queue up an async operation since the package measurement may take a 10944 * little while. 10945 */ 10946 Message msg = mHandler.obtainMessage(INIT_COPY); 10947 msg.obj = new MeasureParams(stats, observer); 10948 mHandler.sendMessage(msg); 10949 } 10950 10951 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10952 PackageStats pStats) { 10953 if (packageName == null) { 10954 Slog.w(TAG, "Attempt to get size of null packageName."); 10955 return false; 10956 } 10957 PackageParser.Package p; 10958 boolean dataOnly = false; 10959 String libDirPath = null; 10960 String asecPath = null; 10961 PackageSetting ps = null; 10962 synchronized (mPackages) { 10963 p = mPackages.get(packageName); 10964 ps = mSettings.mPackages.get(packageName); 10965 if(p == null) { 10966 dataOnly = true; 10967 if((ps == null) || (ps.pkg == null)) { 10968 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10969 return false; 10970 } 10971 p = ps.pkg; 10972 } 10973 if (ps != null) { 10974 libDirPath = ps.nativeLibraryPathString; 10975 } 10976 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10977 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10978 if (secureContainerId != null) { 10979 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10980 } 10981 } 10982 } 10983 String publicSrcDir = null; 10984 if(!dataOnly) { 10985 final ApplicationInfo applicationInfo = p.applicationInfo; 10986 if (applicationInfo == null) { 10987 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10988 return false; 10989 } 10990 if (isForwardLocked(p)) { 10991 publicSrcDir = applicationInfo.publicSourceDir; 10992 } 10993 } 10994 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10995 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 10996 pStats); 10997 if (res < 0) { 10998 return false; 10999 } 11000 11001 // Fix-up for forward-locked applications in ASEC containers. 11002 if (!isExternal(p)) { 11003 pStats.codeSize += pStats.externalCodeSize; 11004 pStats.externalCodeSize = 0L; 11005 } 11006 11007 return true; 11008 } 11009 11010 11011 public void addPackageToPreferred(String packageName) { 11012 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11013 } 11014 11015 public void removePackageFromPreferred(String packageName) { 11016 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11017 } 11018 11019 public List<PackageInfo> getPreferredPackages(int flags) { 11020 return new ArrayList<PackageInfo>(); 11021 } 11022 11023 private int getUidTargetSdkVersionLockedLPr(int uid) { 11024 Object obj = mSettings.getUserIdLPr(uid); 11025 if (obj instanceof SharedUserSetting) { 11026 final SharedUserSetting sus = (SharedUserSetting) obj; 11027 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11028 final Iterator<PackageSetting> it = sus.packages.iterator(); 11029 while (it.hasNext()) { 11030 final PackageSetting ps = it.next(); 11031 if (ps.pkg != null) { 11032 int v = ps.pkg.applicationInfo.targetSdkVersion; 11033 if (v < vers) vers = v; 11034 } 11035 } 11036 return vers; 11037 } else if (obj instanceof PackageSetting) { 11038 final PackageSetting ps = (PackageSetting) obj; 11039 if (ps.pkg != null) { 11040 return ps.pkg.applicationInfo.targetSdkVersion; 11041 } 11042 } 11043 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11044 } 11045 11046 public void addPreferredActivity(IntentFilter filter, int match, 11047 ComponentName[] set, ComponentName activity, int userId) { 11048 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11049 } 11050 11051 private void addPreferredActivityInternal(IntentFilter filter, int match, 11052 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11053 // writer 11054 int callingUid = Binder.getCallingUid(); 11055 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11056 if (filter.countActions() == 0) { 11057 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11058 return; 11059 } 11060 synchronized (mPackages) { 11061 if (mContext.checkCallingOrSelfPermission( 11062 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11063 != PackageManager.PERMISSION_GRANTED) { 11064 if (getUidTargetSdkVersionLockedLPr(callingUid) 11065 < Build.VERSION_CODES.FROYO) { 11066 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11067 + callingUid); 11068 return; 11069 } 11070 mContext.enforceCallingOrSelfPermission( 11071 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11072 } 11073 11074 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11075 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11076 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11077 new PreferredActivity(filter, match, set, activity, always)); 11078 mSettings.writePackageRestrictionsLPr(userId); 11079 } 11080 } 11081 11082 public void replacePreferredActivity(IntentFilter filter, int match, 11083 ComponentName[] set, ComponentName activity) { 11084 if (filter.countActions() != 1) { 11085 throw new IllegalArgumentException( 11086 "replacePreferredActivity expects filter to have only 1 action."); 11087 } 11088 if (filter.countDataAuthorities() != 0 11089 || filter.countDataPaths() != 0 11090 || filter.countDataSchemes() > 1 11091 || filter.countDataTypes() != 0) { 11092 throw new IllegalArgumentException( 11093 "replacePreferredActivity expects filter to have no data authorities, " + 11094 "paths, or types; and at most one scheme."); 11095 } 11096 synchronized (mPackages) { 11097 if (mContext.checkCallingOrSelfPermission( 11098 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11099 != PackageManager.PERMISSION_GRANTED) { 11100 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11101 < Build.VERSION_CODES.FROYO) { 11102 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11103 + Binder.getCallingUid()); 11104 return; 11105 } 11106 mContext.enforceCallingOrSelfPermission( 11107 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11108 } 11109 11110 final int callingUserId = UserHandle.getCallingUserId(); 11111 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11112 if (pir != null) { 11113 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11114 if (filter.countDataSchemes() == 1) { 11115 Uri.Builder builder = new Uri.Builder(); 11116 builder.scheme(filter.getDataScheme(0)); 11117 intent.setData(builder.build()); 11118 } 11119 List<PreferredActivity> matches = pir.queryIntent( 11120 intent, null, true, callingUserId); 11121 if (DEBUG_PREFERRED) { 11122 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11123 } 11124 for (int i = 0; i < matches.size(); i++) { 11125 PreferredActivity pa = matches.get(i); 11126 if (DEBUG_PREFERRED) { 11127 Slog.i(TAG, "Removing preferred activity " 11128 + pa.mPref.mComponent + ":"); 11129 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11130 } 11131 pir.removeFilter(pa); 11132 } 11133 } 11134 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11135 } 11136 } 11137 11138 public void clearPackagePreferredActivities(String packageName) { 11139 final int uid = Binder.getCallingUid(); 11140 // writer 11141 synchronized (mPackages) { 11142 PackageParser.Package pkg = mPackages.get(packageName); 11143 if (pkg == null || pkg.applicationInfo.uid != uid) { 11144 if (mContext.checkCallingOrSelfPermission( 11145 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11146 != PackageManager.PERMISSION_GRANTED) { 11147 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11148 < Build.VERSION_CODES.FROYO) { 11149 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11150 + Binder.getCallingUid()); 11151 return; 11152 } 11153 mContext.enforceCallingOrSelfPermission( 11154 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11155 } 11156 } 11157 11158 int user = UserHandle.getCallingUserId(); 11159 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11160 mSettings.writePackageRestrictionsLPr(user); 11161 scheduleWriteSettingsLocked(); 11162 } 11163 } 11164 } 11165 11166 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11167 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11168 ArrayList<PreferredActivity> removed = null; 11169 boolean changed = false; 11170 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11171 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11172 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11173 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11174 continue; 11175 } 11176 Iterator<PreferredActivity> it = pir.filterIterator(); 11177 while (it.hasNext()) { 11178 PreferredActivity pa = it.next(); 11179 // Mark entry for removal only if it matches the package name 11180 // and the entry is of type "always". 11181 if (packageName == null || 11182 (pa.mPref.mComponent.getPackageName().equals(packageName) 11183 && pa.mPref.mAlways)) { 11184 if (removed == null) { 11185 removed = new ArrayList<PreferredActivity>(); 11186 } 11187 removed.add(pa); 11188 } 11189 } 11190 if (removed != null) { 11191 for (int j=0; j<removed.size(); j++) { 11192 PreferredActivity pa = removed.get(j); 11193 pir.removeFilter(pa); 11194 } 11195 changed = true; 11196 } 11197 } 11198 return changed; 11199 } 11200 11201 public void resetPreferredActivities(int userId) { 11202 mContext.enforceCallingOrSelfPermission( 11203 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11204 // writer 11205 synchronized (mPackages) { 11206 int user = UserHandle.getCallingUserId(); 11207 clearPackagePreferredActivitiesLPw(null, user); 11208 mSettings.readDefaultPreferredAppsLPw(this, user); 11209 mSettings.writePackageRestrictionsLPr(user); 11210 scheduleWriteSettingsLocked(); 11211 } 11212 } 11213 11214 public int getPreferredActivities(List<IntentFilter> outFilters, 11215 List<ComponentName> outActivities, String packageName) { 11216 11217 int num = 0; 11218 final int userId = UserHandle.getCallingUserId(); 11219 // reader 11220 synchronized (mPackages) { 11221 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11222 if (pir != null) { 11223 final Iterator<PreferredActivity> it = pir.filterIterator(); 11224 while (it.hasNext()) { 11225 final PreferredActivity pa = it.next(); 11226 if (packageName == null 11227 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11228 && pa.mPref.mAlways)) { 11229 if (outFilters != null) { 11230 outFilters.add(new IntentFilter(pa)); 11231 } 11232 if (outActivities != null) { 11233 outActivities.add(pa.mPref.mComponent); 11234 } 11235 } 11236 } 11237 } 11238 } 11239 11240 return num; 11241 } 11242 11243 @Override 11244 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11245 int userId) { 11246 int callingUid = Binder.getCallingUid(); 11247 if (callingUid != Process.SYSTEM_UID) { 11248 throw new SecurityException( 11249 "addPersistentPreferredActivity can only be run by the system"); 11250 } 11251 if (filter.countActions() == 0) { 11252 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11253 return; 11254 } 11255 synchronized (mPackages) { 11256 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11257 " :"); 11258 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11259 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11260 new PersistentPreferredActivity(filter, activity)); 11261 mSettings.writePackageRestrictionsLPr(userId); 11262 } 11263 } 11264 11265 @Override 11266 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11267 int callingUid = Binder.getCallingUid(); 11268 if (callingUid != Process.SYSTEM_UID) { 11269 throw new SecurityException( 11270 "clearPackagePersistentPreferredActivities can only be run by the system"); 11271 } 11272 ArrayList<PersistentPreferredActivity> removed = null; 11273 boolean changed = false; 11274 synchronized (mPackages) { 11275 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11276 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11277 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11278 .valueAt(i); 11279 if (userId != thisUserId) { 11280 continue; 11281 } 11282 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11283 while (it.hasNext()) { 11284 PersistentPreferredActivity ppa = it.next(); 11285 // Mark entry for removal only if it matches the package name. 11286 if (ppa.mComponent.getPackageName().equals(packageName)) { 11287 if (removed == null) { 11288 removed = new ArrayList<PersistentPreferredActivity>(); 11289 } 11290 removed.add(ppa); 11291 } 11292 } 11293 if (removed != null) { 11294 for (int j=0; j<removed.size(); j++) { 11295 PersistentPreferredActivity ppa = removed.get(j); 11296 ppir.removeFilter(ppa); 11297 } 11298 changed = true; 11299 } 11300 } 11301 11302 if (changed) { 11303 mSettings.writePackageRestrictionsLPr(userId); 11304 } 11305 } 11306 } 11307 11308 @Override 11309 public void addForwardingIntentFilter(IntentFilter filter, boolean removable, int userIdOrig, 11310 int userIdDest) { 11311 mContext.enforceCallingOrSelfPermission( 11312 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11313 if (filter.countActions() == 0) { 11314 Slog.w(TAG, "Cannot set a forwarding intent filter with no filter actions"); 11315 return; 11316 } 11317 synchronized (mPackages) { 11318 mSettings.editForwardingIntentResolverLPw(userIdOrig).addFilter( 11319 new ForwardingIntentFilter(filter, removable, userIdDest)); 11320 mSettings.writePackageRestrictionsLPr(userIdOrig); 11321 } 11322 } 11323 11324 @Override 11325 public void clearForwardingIntentFilters(int userIdOrig) { 11326 mContext.enforceCallingOrSelfPermission( 11327 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11328 synchronized (mPackages) { 11329 ForwardingIntentResolver fir = mSettings.editForwardingIntentResolverLPw(userIdOrig); 11330 HashSet<ForwardingIntentFilter> set = 11331 new HashSet<ForwardingIntentFilter>(fir.filterSet()); 11332 for (ForwardingIntentFilter fif : set) { 11333 if (fif.isRemovable()) fir.removeFilter(fif); 11334 } 11335 mSettings.writePackageRestrictionsLPr(userIdOrig); 11336 } 11337 } 11338 11339 @Override 11340 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11341 Intent intent = new Intent(Intent.ACTION_MAIN); 11342 intent.addCategory(Intent.CATEGORY_HOME); 11343 11344 final int callingUserId = UserHandle.getCallingUserId(); 11345 List<ResolveInfo> list = queryIntentActivities(intent, null, 11346 PackageManager.GET_META_DATA, callingUserId); 11347 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11348 true, false, false, callingUserId); 11349 11350 allHomeCandidates.clear(); 11351 if (list != null) { 11352 for (ResolveInfo ri : list) { 11353 allHomeCandidates.add(ri); 11354 } 11355 } 11356 return (preferred == null || preferred.activityInfo == null) 11357 ? null 11358 : new ComponentName(preferred.activityInfo.packageName, 11359 preferred.activityInfo.name); 11360 } 11361 11362 @Override 11363 public void setApplicationEnabledSetting(String appPackageName, 11364 int newState, int flags, int userId, String callingPackage) { 11365 if (!sUserManager.exists(userId)) return; 11366 if (callingPackage == null) { 11367 callingPackage = Integer.toString(Binder.getCallingUid()); 11368 } 11369 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11370 } 11371 11372 @Override 11373 public void setComponentEnabledSetting(ComponentName componentName, 11374 int newState, int flags, int userId) { 11375 if (!sUserManager.exists(userId)) return; 11376 setEnabledSetting(componentName.getPackageName(), 11377 componentName.getClassName(), newState, flags, userId, null); 11378 } 11379 11380 private void setEnabledSetting(final String packageName, String className, int newState, 11381 final int flags, int userId, String callingPackage) { 11382 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11383 || newState == COMPONENT_ENABLED_STATE_ENABLED 11384 || newState == COMPONENT_ENABLED_STATE_DISABLED 11385 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11386 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11387 throw new IllegalArgumentException("Invalid new component state: " 11388 + newState); 11389 } 11390 PackageSetting pkgSetting; 11391 final int uid = Binder.getCallingUid(); 11392 final int permission = mContext.checkCallingOrSelfPermission( 11393 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11394 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11395 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11396 boolean sendNow = false; 11397 boolean isApp = (className == null); 11398 String componentName = isApp ? packageName : className; 11399 int packageUid = -1; 11400 ArrayList<String> components; 11401 11402 // writer 11403 synchronized (mPackages) { 11404 pkgSetting = mSettings.mPackages.get(packageName); 11405 if (pkgSetting == null) { 11406 if (className == null) { 11407 throw new IllegalArgumentException( 11408 "Unknown package: " + packageName); 11409 } 11410 throw new IllegalArgumentException( 11411 "Unknown component: " + packageName 11412 + "/" + className); 11413 } 11414 // Allow root and verify that userId is not being specified by a different user 11415 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11416 throw new SecurityException( 11417 "Permission Denial: attempt to change component state from pid=" 11418 + Binder.getCallingPid() 11419 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11420 } 11421 if (className == null) { 11422 // We're dealing with an application/package level state change 11423 if (pkgSetting.getEnabled(userId) == newState) { 11424 // Nothing to do 11425 return; 11426 } 11427 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11428 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11429 // Don't care about who enables an app. 11430 callingPackage = null; 11431 } 11432 pkgSetting.setEnabled(newState, userId, callingPackage); 11433 // pkgSetting.pkg.mSetEnabled = newState; 11434 } else { 11435 // We're dealing with a component level state change 11436 // First, verify that this is a valid class name. 11437 PackageParser.Package pkg = pkgSetting.pkg; 11438 if (pkg == null || !pkg.hasComponentClassName(className)) { 11439 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11440 throw new IllegalArgumentException("Component class " + className 11441 + " does not exist in " + packageName); 11442 } else { 11443 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11444 + className + " does not exist in " + packageName); 11445 } 11446 } 11447 switch (newState) { 11448 case COMPONENT_ENABLED_STATE_ENABLED: 11449 if (!pkgSetting.enableComponentLPw(className, userId)) { 11450 return; 11451 } 11452 break; 11453 case COMPONENT_ENABLED_STATE_DISABLED: 11454 if (!pkgSetting.disableComponentLPw(className, userId)) { 11455 return; 11456 } 11457 break; 11458 case COMPONENT_ENABLED_STATE_DEFAULT: 11459 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11460 return; 11461 } 11462 break; 11463 default: 11464 Slog.e(TAG, "Invalid new component state: " + newState); 11465 return; 11466 } 11467 } 11468 mSettings.writePackageRestrictionsLPr(userId); 11469 components = mPendingBroadcasts.get(userId, packageName); 11470 final boolean newPackage = components == null; 11471 if (newPackage) { 11472 components = new ArrayList<String>(); 11473 } 11474 if (!components.contains(componentName)) { 11475 components.add(componentName); 11476 } 11477 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11478 sendNow = true; 11479 // Purge entry from pending broadcast list if another one exists already 11480 // since we are sending one right away. 11481 mPendingBroadcasts.remove(userId, packageName); 11482 } else { 11483 if (newPackage) { 11484 mPendingBroadcasts.put(userId, packageName, components); 11485 } 11486 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11487 // Schedule a message 11488 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11489 } 11490 } 11491 } 11492 11493 long callingId = Binder.clearCallingIdentity(); 11494 try { 11495 if (sendNow) { 11496 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11497 sendPackageChangedBroadcast(packageName, 11498 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11499 } 11500 } finally { 11501 Binder.restoreCallingIdentity(callingId); 11502 } 11503 } 11504 11505 private void sendPackageChangedBroadcast(String packageName, 11506 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11507 if (DEBUG_INSTALL) 11508 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11509 + componentNames); 11510 Bundle extras = new Bundle(4); 11511 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11512 String nameList[] = new String[componentNames.size()]; 11513 componentNames.toArray(nameList); 11514 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11515 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11516 extras.putInt(Intent.EXTRA_UID, packageUid); 11517 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11518 new int[] {UserHandle.getUserId(packageUid)}); 11519 } 11520 11521 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11522 if (!sUserManager.exists(userId)) return; 11523 final int uid = Binder.getCallingUid(); 11524 final int permission = mContext.checkCallingOrSelfPermission( 11525 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11526 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11527 enforceCrossUserPermission(uid, userId, true, "stop package"); 11528 // writer 11529 synchronized (mPackages) { 11530 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11531 uid, userId)) { 11532 scheduleWritePackageRestrictionsLocked(userId); 11533 } 11534 } 11535 } 11536 11537 public String getInstallerPackageName(String packageName) { 11538 // reader 11539 synchronized (mPackages) { 11540 return mSettings.getInstallerPackageNameLPr(packageName); 11541 } 11542 } 11543 11544 @Override 11545 public int getApplicationEnabledSetting(String packageName, int userId) { 11546 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11547 int uid = Binder.getCallingUid(); 11548 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11549 // reader 11550 synchronized (mPackages) { 11551 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11552 } 11553 } 11554 11555 @Override 11556 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11557 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11558 int uid = Binder.getCallingUid(); 11559 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11560 // reader 11561 synchronized (mPackages) { 11562 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11563 } 11564 } 11565 11566 public void enterSafeMode() { 11567 enforceSystemOrRoot("Only the system can request entering safe mode"); 11568 11569 if (!mSystemReady) { 11570 mSafeMode = true; 11571 } 11572 } 11573 11574 public void systemReady() { 11575 mSystemReady = true; 11576 11577 // Read the compatibilty setting when the system is ready. 11578 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11579 mContext.getContentResolver(), 11580 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11581 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11582 if (DEBUG_SETTINGS) { 11583 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11584 } 11585 11586 synchronized (mPackages) { 11587 // Verify that all of the preferred activity components actually 11588 // exist. It is possible for applications to be updated and at 11589 // that point remove a previously declared activity component that 11590 // had been set as a preferred activity. We try to clean this up 11591 // the next time we encounter that preferred activity, but it is 11592 // possible for the user flow to never be able to return to that 11593 // situation so here we do a sanity check to make sure we haven't 11594 // left any junk around. 11595 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11596 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11597 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11598 removed.clear(); 11599 for (PreferredActivity pa : pir.filterSet()) { 11600 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11601 removed.add(pa); 11602 } 11603 } 11604 if (removed.size() > 0) { 11605 for (int j=0; j<removed.size(); j++) { 11606 PreferredActivity pa = removed.get(i); 11607 Slog.w(TAG, "Removing dangling preferred activity: " 11608 + pa.mPref.mComponent); 11609 pir.removeFilter(pa); 11610 } 11611 mSettings.writePackageRestrictionsLPr( 11612 mSettings.mPreferredActivities.keyAt(i)); 11613 } 11614 } 11615 } 11616 sUserManager.systemReady(); 11617 } 11618 11619 public boolean isSafeMode() { 11620 return mSafeMode; 11621 } 11622 11623 public boolean hasSystemUidErrors() { 11624 return mHasSystemUidErrors; 11625 } 11626 11627 static String arrayToString(int[] array) { 11628 StringBuffer buf = new StringBuffer(128); 11629 buf.append('['); 11630 if (array != null) { 11631 for (int i=0; i<array.length; i++) { 11632 if (i > 0) buf.append(", "); 11633 buf.append(array[i]); 11634 } 11635 } 11636 buf.append(']'); 11637 return buf.toString(); 11638 } 11639 11640 static class DumpState { 11641 public static final int DUMP_LIBS = 1 << 0; 11642 11643 public static final int DUMP_FEATURES = 1 << 1; 11644 11645 public static final int DUMP_RESOLVERS = 1 << 2; 11646 11647 public static final int DUMP_PERMISSIONS = 1 << 3; 11648 11649 public static final int DUMP_PACKAGES = 1 << 4; 11650 11651 public static final int DUMP_SHARED_USERS = 1 << 5; 11652 11653 public static final int DUMP_MESSAGES = 1 << 6; 11654 11655 public static final int DUMP_PROVIDERS = 1 << 7; 11656 11657 public static final int DUMP_VERIFIERS = 1 << 8; 11658 11659 public static final int DUMP_PREFERRED = 1 << 9; 11660 11661 public static final int DUMP_PREFERRED_XML = 1 << 10; 11662 11663 public static final int DUMP_KEYSETS = 1 << 11; 11664 11665 public static final int DUMP_VERSION = 1 << 12; 11666 11667 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11668 11669 private int mTypes; 11670 11671 private int mOptions; 11672 11673 private boolean mTitlePrinted; 11674 11675 private SharedUserSetting mSharedUser; 11676 11677 public boolean isDumping(int type) { 11678 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11679 return true; 11680 } 11681 11682 return (mTypes & type) != 0; 11683 } 11684 11685 public void setDump(int type) { 11686 mTypes |= type; 11687 } 11688 11689 public boolean isOptionEnabled(int option) { 11690 return (mOptions & option) != 0; 11691 } 11692 11693 public void setOptionEnabled(int option) { 11694 mOptions |= option; 11695 } 11696 11697 public boolean onTitlePrinted() { 11698 final boolean printed = mTitlePrinted; 11699 mTitlePrinted = true; 11700 return printed; 11701 } 11702 11703 public boolean getTitlePrinted() { 11704 return mTitlePrinted; 11705 } 11706 11707 public void setTitlePrinted(boolean enabled) { 11708 mTitlePrinted = enabled; 11709 } 11710 11711 public SharedUserSetting getSharedUser() { 11712 return mSharedUser; 11713 } 11714 11715 public void setSharedUser(SharedUserSetting user) { 11716 mSharedUser = user; 11717 } 11718 } 11719 11720 @Override 11721 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11722 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11723 != PackageManager.PERMISSION_GRANTED) { 11724 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11725 + Binder.getCallingPid() 11726 + ", uid=" + Binder.getCallingUid() 11727 + " without permission " 11728 + android.Manifest.permission.DUMP); 11729 return; 11730 } 11731 11732 DumpState dumpState = new DumpState(); 11733 boolean fullPreferred = false; 11734 boolean checkin = false; 11735 11736 String packageName = null; 11737 11738 int opti = 0; 11739 while (opti < args.length) { 11740 String opt = args[opti]; 11741 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11742 break; 11743 } 11744 opti++; 11745 if ("-a".equals(opt)) { 11746 // Right now we only know how to print all. 11747 } else if ("-h".equals(opt)) { 11748 pw.println("Package manager dump options:"); 11749 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11750 pw.println(" --checkin: dump for a checkin"); 11751 pw.println(" -f: print details of intent filters"); 11752 pw.println(" -h: print this help"); 11753 pw.println(" cmd may be one of:"); 11754 pw.println(" l[ibraries]: list known shared libraries"); 11755 pw.println(" f[ibraries]: list device features"); 11756 pw.println(" r[esolvers]: dump intent resolvers"); 11757 pw.println(" perm[issions]: dump permissions"); 11758 pw.println(" pref[erred]: print preferred package settings"); 11759 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11760 pw.println(" prov[iders]: dump content providers"); 11761 pw.println(" p[ackages]: dump installed packages"); 11762 pw.println(" s[hared-users]: dump shared user IDs"); 11763 pw.println(" m[essages]: print collected runtime messages"); 11764 pw.println(" v[erifiers]: print package verifier info"); 11765 pw.println(" version: print database version info"); 11766 pw.println(" <package.name>: info about given package"); 11767 pw.println(" k[eysets]: print known keysets"); 11768 return; 11769 } else if ("--checkin".equals(opt)) { 11770 checkin = true; 11771 } else if ("-f".equals(opt)) { 11772 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11773 } else { 11774 pw.println("Unknown argument: " + opt + "; use -h for help"); 11775 } 11776 } 11777 11778 // Is the caller requesting to dump a particular piece of data? 11779 if (opti < args.length) { 11780 String cmd = args[opti]; 11781 opti++; 11782 // Is this a package name? 11783 if ("android".equals(cmd) || cmd.contains(".")) { 11784 packageName = cmd; 11785 // When dumping a single package, we always dump all of its 11786 // filter information since the amount of data will be reasonable. 11787 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11788 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11789 dumpState.setDump(DumpState.DUMP_LIBS); 11790 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11791 dumpState.setDump(DumpState.DUMP_FEATURES); 11792 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11793 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11794 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11795 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11796 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11797 dumpState.setDump(DumpState.DUMP_PREFERRED); 11798 } else if ("preferred-xml".equals(cmd)) { 11799 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 11800 if (opti < args.length && "--full".equals(args[opti])) { 11801 fullPreferred = true; 11802 opti++; 11803 } 11804 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 11805 dumpState.setDump(DumpState.DUMP_PACKAGES); 11806 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 11807 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 11808 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 11809 dumpState.setDump(DumpState.DUMP_PROVIDERS); 11810 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 11811 dumpState.setDump(DumpState.DUMP_MESSAGES); 11812 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 11813 dumpState.setDump(DumpState.DUMP_VERIFIERS); 11814 } else if ("version".equals(cmd)) { 11815 dumpState.setDump(DumpState.DUMP_VERSION); 11816 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 11817 dumpState.setDump(DumpState.DUMP_KEYSETS); 11818 } 11819 } 11820 11821 if (checkin) { 11822 pw.println("vers,1"); 11823 } 11824 11825 // reader 11826 synchronized (mPackages) { 11827 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 11828 if (!checkin) { 11829 if (dumpState.onTitlePrinted()) 11830 pw.println(); 11831 pw.println("Database versions:"); 11832 pw.print(" SDK Version:"); 11833 pw.print(" internal="); 11834 pw.print(mSettings.mInternalSdkPlatform); 11835 pw.print(" external="); 11836 pw.println(mSettings.mExternalSdkPlatform); 11837 pw.print(" DB Version:"); 11838 pw.print(" internal="); 11839 pw.print(mSettings.mInternalDatabaseVersion); 11840 pw.print(" external="); 11841 pw.println(mSettings.mExternalDatabaseVersion); 11842 } 11843 } 11844 11845 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 11846 if (!checkin) { 11847 if (dumpState.onTitlePrinted()) 11848 pw.println(); 11849 pw.println("Verifiers:"); 11850 pw.print(" Required: "); 11851 pw.print(mRequiredVerifierPackage); 11852 pw.print(" (uid="); 11853 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 11854 pw.println(")"); 11855 } else if (mRequiredVerifierPackage != null) { 11856 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 11857 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 11858 } 11859 } 11860 11861 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 11862 boolean printedHeader = false; 11863 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 11864 while (it.hasNext()) { 11865 String name = it.next(); 11866 SharedLibraryEntry ent = mSharedLibraries.get(name); 11867 if (!checkin) { 11868 if (!printedHeader) { 11869 if (dumpState.onTitlePrinted()) 11870 pw.println(); 11871 pw.println("Libraries:"); 11872 printedHeader = true; 11873 } 11874 pw.print(" "); 11875 } else { 11876 pw.print("lib,"); 11877 } 11878 pw.print(name); 11879 if (!checkin) { 11880 pw.print(" -> "); 11881 } 11882 if (ent.path != null) { 11883 if (!checkin) { 11884 pw.print("(jar) "); 11885 pw.print(ent.path); 11886 } else { 11887 pw.print(",jar,"); 11888 pw.print(ent.path); 11889 } 11890 } else { 11891 if (!checkin) { 11892 pw.print("(apk) "); 11893 pw.print(ent.apk); 11894 } else { 11895 pw.print(",apk,"); 11896 pw.print(ent.apk); 11897 } 11898 } 11899 pw.println(); 11900 } 11901 } 11902 11903 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11904 if (dumpState.onTitlePrinted()) 11905 pw.println(); 11906 if (!checkin) { 11907 pw.println("Features:"); 11908 } 11909 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11910 while (it.hasNext()) { 11911 String name = it.next(); 11912 if (!checkin) { 11913 pw.print(" "); 11914 } else { 11915 pw.print("feat,"); 11916 } 11917 pw.println(name); 11918 } 11919 } 11920 11921 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 11922 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 11923 : "Activity Resolver Table:", " ", packageName, 11924 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11925 dumpState.setTitlePrinted(true); 11926 } 11927 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 11928 : "Receiver Resolver Table:", " ", packageName, 11929 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11930 dumpState.setTitlePrinted(true); 11931 } 11932 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11933 : "Service Resolver Table:", " ", packageName, 11934 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11935 dumpState.setTitlePrinted(true); 11936 } 11937 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11938 : "Provider Resolver Table:", " ", packageName, 11939 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11940 dumpState.setTitlePrinted(true); 11941 } 11942 } 11943 11944 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11945 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11946 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11947 int user = mSettings.mPreferredActivities.keyAt(i); 11948 if (pir.dump(pw, 11949 dumpState.getTitlePrinted() 11950 ? "\nPreferred Activities User " + user + ":" 11951 : "Preferred Activities User " + user + ":", " ", 11952 packageName, true)) { 11953 dumpState.setTitlePrinted(true); 11954 } 11955 } 11956 } 11957 11958 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11959 pw.flush(); 11960 FileOutputStream fout = new FileOutputStream(fd); 11961 BufferedOutputStream str = new BufferedOutputStream(fout); 11962 XmlSerializer serializer = new FastXmlSerializer(); 11963 try { 11964 serializer.setOutput(str, "utf-8"); 11965 serializer.startDocument(null, true); 11966 serializer.setFeature( 11967 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11968 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11969 serializer.endDocument(); 11970 serializer.flush(); 11971 } catch (IllegalArgumentException e) { 11972 pw.println("Failed writing: " + e); 11973 } catch (IllegalStateException e) { 11974 pw.println("Failed writing: " + e); 11975 } catch (IOException e) { 11976 pw.println("Failed writing: " + e); 11977 } 11978 } 11979 11980 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11981 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11982 } 11983 11984 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11985 boolean printedSomething = false; 11986 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11987 if (packageName != null && !packageName.equals(p.info.packageName)) { 11988 continue; 11989 } 11990 if (!printedSomething) { 11991 if (dumpState.onTitlePrinted()) 11992 pw.println(); 11993 pw.println("Registered ContentProviders:"); 11994 printedSomething = true; 11995 } 11996 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11997 pw.print(" "); pw.println(p.toString()); 11998 } 11999 printedSomething = false; 12000 for (Map.Entry<String, PackageParser.Provider> entry : 12001 mProvidersByAuthority.entrySet()) { 12002 PackageParser.Provider p = entry.getValue(); 12003 if (packageName != null && !packageName.equals(p.info.packageName)) { 12004 continue; 12005 } 12006 if (!printedSomething) { 12007 if (dumpState.onTitlePrinted()) 12008 pw.println(); 12009 pw.println("ContentProvider Authorities:"); 12010 printedSomething = true; 12011 } 12012 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12013 pw.print(" "); pw.println(p.toString()); 12014 if (p.info != null && p.info.applicationInfo != null) { 12015 final String appInfo = p.info.applicationInfo.toString(); 12016 pw.print(" applicationInfo="); pw.println(appInfo); 12017 } 12018 } 12019 } 12020 12021 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12022 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12023 } 12024 12025 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12026 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12027 } 12028 12029 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12030 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12031 } 12032 12033 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12034 if (dumpState.onTitlePrinted()) 12035 pw.println(); 12036 mSettings.dumpReadMessagesLPr(pw, dumpState); 12037 12038 pw.println(); 12039 pw.println("Package warning messages:"); 12040 final File fname = getSettingsProblemFile(); 12041 FileInputStream in = null; 12042 try { 12043 in = new FileInputStream(fname); 12044 final int avail = in.available(); 12045 final byte[] data = new byte[avail]; 12046 in.read(data); 12047 pw.print(new String(data)); 12048 } catch (FileNotFoundException e) { 12049 } catch (IOException e) { 12050 } finally { 12051 if (in != null) { 12052 try { 12053 in.close(); 12054 } catch (IOException e) { 12055 } 12056 } 12057 } 12058 } 12059 } 12060 } 12061 12062 // ------- apps on sdcard specific code ------- 12063 static final boolean DEBUG_SD_INSTALL = false; 12064 12065 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12066 12067 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12068 12069 private boolean mMediaMounted = false; 12070 12071 private String getEncryptKey() { 12072 try { 12073 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12074 SD_ENCRYPTION_KEYSTORE_NAME); 12075 if (sdEncKey == null) { 12076 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12077 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12078 if (sdEncKey == null) { 12079 Slog.e(TAG, "Failed to create encryption keys"); 12080 return null; 12081 } 12082 } 12083 return sdEncKey; 12084 } catch (NoSuchAlgorithmException nsae) { 12085 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12086 return null; 12087 } catch (IOException ioe) { 12088 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12089 return null; 12090 } 12091 12092 } 12093 12094 /* package */static String getTempContainerId() { 12095 int tmpIdx = 1; 12096 String list[] = PackageHelper.getSecureContainerList(); 12097 if (list != null) { 12098 for (final String name : list) { 12099 // Ignore null and non-temporary container entries 12100 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12101 continue; 12102 } 12103 12104 String subStr = name.substring(mTempContainerPrefix.length()); 12105 try { 12106 int cid = Integer.parseInt(subStr); 12107 if (cid >= tmpIdx) { 12108 tmpIdx = cid + 1; 12109 } 12110 } catch (NumberFormatException e) { 12111 } 12112 } 12113 } 12114 return mTempContainerPrefix + tmpIdx; 12115 } 12116 12117 /* 12118 * Update media status on PackageManager. 12119 */ 12120 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12121 int callingUid = Binder.getCallingUid(); 12122 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12123 throw new SecurityException("Media status can only be updated by the system"); 12124 } 12125 // reader; this apparently protects mMediaMounted, but should probably 12126 // be a different lock in that case. 12127 synchronized (mPackages) { 12128 Log.i(TAG, "Updating external media status from " 12129 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12130 + (mediaStatus ? "mounted" : "unmounted")); 12131 if (DEBUG_SD_INSTALL) 12132 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12133 + ", mMediaMounted=" + mMediaMounted); 12134 if (mediaStatus == mMediaMounted) { 12135 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12136 : 0, -1); 12137 mHandler.sendMessage(msg); 12138 return; 12139 } 12140 mMediaMounted = mediaStatus; 12141 } 12142 // Queue up an async operation since the package installation may take a 12143 // little while. 12144 mHandler.post(new Runnable() { 12145 public void run() { 12146 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12147 } 12148 }); 12149 } 12150 12151 /** 12152 * Called by MountService when the initial ASECs to scan are available. 12153 * Should block until all the ASEC containers are finished being scanned. 12154 */ 12155 public void scanAvailableAsecs() { 12156 updateExternalMediaStatusInner(true, false, false); 12157 if (mShouldRestoreconData) { 12158 SELinuxMMAC.setRestoreconDone(); 12159 mShouldRestoreconData = false; 12160 } 12161 } 12162 12163 /* 12164 * Collect information of applications on external media, map them against 12165 * existing containers and update information based on current mount status. 12166 * Please note that we always have to report status if reportStatus has been 12167 * set to true especially when unloading packages. 12168 */ 12169 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12170 boolean externalStorage) { 12171 // Collection of uids 12172 int uidArr[] = null; 12173 // Collection of stale containers 12174 HashSet<String> removeCids = new HashSet<String>(); 12175 // Collection of packages on external media with valid containers. 12176 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12177 // Get list of secure containers. 12178 final String list[] = PackageHelper.getSecureContainerList(); 12179 if (list == null || list.length == 0) { 12180 Log.i(TAG, "No secure containers on sdcard"); 12181 } else { 12182 // Process list of secure containers and categorize them 12183 // as active or stale based on their package internal state. 12184 int uidList[] = new int[list.length]; 12185 int num = 0; 12186 // reader 12187 synchronized (mPackages) { 12188 for (String cid : list) { 12189 if (DEBUG_SD_INSTALL) 12190 Log.i(TAG, "Processing container " + cid); 12191 String pkgName = getAsecPackageName(cid); 12192 if (pkgName == null) { 12193 if (DEBUG_SD_INSTALL) 12194 Log.i(TAG, "Container : " + cid + " stale"); 12195 removeCids.add(cid); 12196 continue; 12197 } 12198 if (DEBUG_SD_INSTALL) 12199 Log.i(TAG, "Looking for pkg : " + pkgName); 12200 12201 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12202 if (ps == null) { 12203 Log.i(TAG, "Deleting container with no matching settings " + cid); 12204 removeCids.add(cid); 12205 continue; 12206 } 12207 12208 /* 12209 * Skip packages that are not external if we're unmounting 12210 * external storage. 12211 */ 12212 if (externalStorage && !isMounted && !isExternal(ps)) { 12213 continue; 12214 } 12215 12216 final AsecInstallArgs args = new AsecInstallArgs(cid, 12217 getAppInstructionSetFromSettings(ps), 12218 isForwardLocked(ps)); 12219 // The package status is changed only if the code path 12220 // matches between settings and the container id. 12221 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12222 if (DEBUG_SD_INSTALL) { 12223 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12224 + " at code path: " + ps.codePathString); 12225 } 12226 12227 // We do have a valid package installed on sdcard 12228 processCids.put(args, ps.codePathString); 12229 final int uid = ps.appId; 12230 if (uid != -1) { 12231 uidList[num++] = uid; 12232 } 12233 } else { 12234 Log.i(TAG, "Deleting stale container for " + cid); 12235 removeCids.add(cid); 12236 } 12237 } 12238 } 12239 12240 if (num > 0) { 12241 // Sort uid list 12242 Arrays.sort(uidList, 0, num); 12243 // Throw away duplicates 12244 uidArr = new int[num]; 12245 uidArr[0] = uidList[0]; 12246 int di = 0; 12247 for (int i = 1; i < num; i++) { 12248 if (uidList[i - 1] != uidList[i]) { 12249 uidArr[di++] = uidList[i]; 12250 } 12251 } 12252 } 12253 } 12254 // Process packages with valid entries. 12255 if (isMounted) { 12256 if (DEBUG_SD_INSTALL) 12257 Log.i(TAG, "Loading packages"); 12258 loadMediaPackages(processCids, uidArr, removeCids); 12259 startCleaningPackages(); 12260 } else { 12261 if (DEBUG_SD_INSTALL) 12262 Log.i(TAG, "Unloading packages"); 12263 unloadMediaPackages(processCids, uidArr, reportStatus); 12264 } 12265 } 12266 12267 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12268 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12269 int size = pkgList.size(); 12270 if (size > 0) { 12271 // Send broadcasts here 12272 Bundle extras = new Bundle(); 12273 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12274 .toArray(new String[size])); 12275 if (uidArr != null) { 12276 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12277 } 12278 if (replacing) { 12279 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12280 } 12281 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12282 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12283 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12284 } 12285 } 12286 12287 /* 12288 * Look at potentially valid container ids from processCids If package 12289 * information doesn't match the one on record or package scanning fails, 12290 * the cid is added to list of removeCids. We currently don't delete stale 12291 * containers. 12292 */ 12293 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12294 HashSet<String> removeCids) { 12295 ArrayList<String> pkgList = new ArrayList<String>(); 12296 Set<AsecInstallArgs> keys = processCids.keySet(); 12297 boolean doGc = false; 12298 for (AsecInstallArgs args : keys) { 12299 String codePath = processCids.get(args); 12300 if (DEBUG_SD_INSTALL) 12301 Log.i(TAG, "Loading container : " + args.cid); 12302 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12303 try { 12304 // Make sure there are no container errors first. 12305 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12306 Slog.e(TAG, "Failed to mount cid : " + args.cid 12307 + " when installing from sdcard"); 12308 continue; 12309 } 12310 // Check code path here. 12311 if (codePath == null || !codePath.equals(args.getCodePath())) { 12312 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12313 + " does not match one in settings " + codePath); 12314 continue; 12315 } 12316 // Parse package 12317 int parseFlags = mDefParseFlags; 12318 if (args.isExternal()) { 12319 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12320 } 12321 if (args.isFwdLocked()) { 12322 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12323 } 12324 12325 doGc = true; 12326 synchronized (mInstallLock) { 12327 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12328 0, 0, null); 12329 // Scan the package 12330 if (pkg != null) { 12331 /* 12332 * TODO why is the lock being held? doPostInstall is 12333 * called in other places without the lock. This needs 12334 * to be straightened out. 12335 */ 12336 // writer 12337 synchronized (mPackages) { 12338 retCode = PackageManager.INSTALL_SUCCEEDED; 12339 pkgList.add(pkg.packageName); 12340 // Post process args 12341 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12342 pkg.applicationInfo.uid); 12343 } 12344 } else { 12345 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12346 } 12347 } 12348 12349 } finally { 12350 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12351 // Don't destroy container here. Wait till gc clears things 12352 // up. 12353 removeCids.add(args.cid); 12354 } 12355 } 12356 } 12357 // writer 12358 synchronized (mPackages) { 12359 // If the platform SDK has changed since the last time we booted, 12360 // we need to re-grant app permission to catch any new ones that 12361 // appear. This is really a hack, and means that apps can in some 12362 // cases get permissions that the user didn't initially explicitly 12363 // allow... it would be nice to have some better way to handle 12364 // this situation. 12365 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12366 if (regrantPermissions) 12367 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12368 + mSdkVersion + "; regranting permissions for external storage"); 12369 mSettings.mExternalSdkPlatform = mSdkVersion; 12370 12371 // Make sure group IDs have been assigned, and any permission 12372 // changes in other apps are accounted for 12373 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12374 | (regrantPermissions 12375 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12376 : 0)); 12377 12378 mSettings.updateExternalDatabaseVersion(); 12379 12380 // can downgrade to reader 12381 // Persist settings 12382 mSettings.writeLPr(); 12383 } 12384 // Send a broadcast to let everyone know we are done processing 12385 if (pkgList.size() > 0) { 12386 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12387 } 12388 // Force gc to avoid any stale parser references that we might have. 12389 if (doGc) { 12390 Runtime.getRuntime().gc(); 12391 } 12392 // List stale containers and destroy stale temporary containers. 12393 if (removeCids != null) { 12394 for (String cid : removeCids) { 12395 if (cid.startsWith(mTempContainerPrefix)) { 12396 Log.i(TAG, "Destroying stale temporary container " + cid); 12397 PackageHelper.destroySdDir(cid); 12398 } else { 12399 Log.w(TAG, "Container " + cid + " is stale"); 12400 } 12401 } 12402 } 12403 } 12404 12405 /* 12406 * Utility method to unload a list of specified containers 12407 */ 12408 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12409 // Just unmount all valid containers. 12410 for (AsecInstallArgs arg : cidArgs) { 12411 synchronized (mInstallLock) { 12412 arg.doPostDeleteLI(false); 12413 } 12414 } 12415 } 12416 12417 /* 12418 * Unload packages mounted on external media. This involves deleting package 12419 * data from internal structures, sending broadcasts about diabled packages, 12420 * gc'ing to free up references, unmounting all secure containers 12421 * corresponding to packages on external media, and posting a 12422 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12423 * that we always have to post this message if status has been requested no 12424 * matter what. 12425 */ 12426 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12427 final boolean reportStatus) { 12428 if (DEBUG_SD_INSTALL) 12429 Log.i(TAG, "unloading media packages"); 12430 ArrayList<String> pkgList = new ArrayList<String>(); 12431 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12432 final Set<AsecInstallArgs> keys = processCids.keySet(); 12433 for (AsecInstallArgs args : keys) { 12434 String pkgName = args.getPackageName(); 12435 if (DEBUG_SD_INSTALL) 12436 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12437 // Delete package internally 12438 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12439 synchronized (mInstallLock) { 12440 boolean res = deletePackageLI(pkgName, null, false, null, null, 12441 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12442 if (res) { 12443 pkgList.add(pkgName); 12444 } else { 12445 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12446 failedList.add(args); 12447 } 12448 } 12449 } 12450 12451 // reader 12452 synchronized (mPackages) { 12453 // We didn't update the settings after removing each package; 12454 // write them now for all packages. 12455 mSettings.writeLPr(); 12456 } 12457 12458 // We have to absolutely send UPDATED_MEDIA_STATUS only 12459 // after confirming that all the receivers processed the ordered 12460 // broadcast when packages get disabled, force a gc to clean things up. 12461 // and unload all the containers. 12462 if (pkgList.size() > 0) { 12463 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12464 new IIntentReceiver.Stub() { 12465 public void performReceive(Intent intent, int resultCode, String data, 12466 Bundle extras, boolean ordered, boolean sticky, 12467 int sendingUser) throws RemoteException { 12468 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12469 reportStatus ? 1 : 0, 1, keys); 12470 mHandler.sendMessage(msg); 12471 } 12472 }); 12473 } else { 12474 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12475 keys); 12476 mHandler.sendMessage(msg); 12477 } 12478 } 12479 12480 /** Binder call */ 12481 @Override 12482 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12483 final int flags) { 12484 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12485 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12486 int returnCode = PackageManager.MOVE_SUCCEEDED; 12487 int currFlags = 0; 12488 int newFlags = 0; 12489 // reader 12490 synchronized (mPackages) { 12491 PackageParser.Package pkg = mPackages.get(packageName); 12492 if (pkg == null) { 12493 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12494 } else { 12495 // Disable moving fwd locked apps and system packages 12496 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12497 Slog.w(TAG, "Cannot move system application"); 12498 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12499 } else if (pkg.mOperationPending) { 12500 Slog.w(TAG, "Attempt to move package which has pending operations"); 12501 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12502 } else { 12503 // Find install location first 12504 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12505 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12506 Slog.w(TAG, "Ambigous flags specified for move location."); 12507 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12508 } else { 12509 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12510 : PackageManager.INSTALL_INTERNAL; 12511 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12512 : PackageManager.INSTALL_INTERNAL; 12513 12514 if (newFlags == currFlags) { 12515 Slog.w(TAG, "No move required. Trying to move to same location"); 12516 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12517 } else { 12518 if (isForwardLocked(pkg)) { 12519 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12520 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12521 } 12522 } 12523 } 12524 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12525 pkg.mOperationPending = true; 12526 } 12527 } 12528 } 12529 12530 /* 12531 * TODO this next block probably shouldn't be inside the lock. We 12532 * can't guarantee these won't change after this is fired off 12533 * anyway. 12534 */ 12535 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12536 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12537 null, -1, user), 12538 returnCode); 12539 } else { 12540 Message msg = mHandler.obtainMessage(INIT_COPY); 12541 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12542 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12543 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12544 instructionSet); 12545 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12546 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12547 msg.obj = mp; 12548 mHandler.sendMessage(msg); 12549 } 12550 } 12551 } 12552 12553 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12554 // Queue up an async operation since the package deletion may take a 12555 // little while. 12556 mHandler.post(new Runnable() { 12557 public void run() { 12558 // TODO fix this; this does nothing. 12559 mHandler.removeCallbacks(this); 12560 int returnCode = currentStatus; 12561 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12562 int uidArr[] = null; 12563 ArrayList<String> pkgList = null; 12564 synchronized (mPackages) { 12565 PackageParser.Package pkg = mPackages.get(mp.packageName); 12566 if (pkg == null) { 12567 Slog.w(TAG, " Package " + mp.packageName 12568 + " doesn't exist. Aborting move"); 12569 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12570 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12571 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12572 + mp.srcArgs.getCodePath() + " to " 12573 + pkg.applicationInfo.sourceDir 12574 + " Aborting move and returning error"); 12575 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12576 } else { 12577 uidArr = new int[] { 12578 pkg.applicationInfo.uid 12579 }; 12580 pkgList = new ArrayList<String>(); 12581 pkgList.add(mp.packageName); 12582 } 12583 } 12584 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12585 // Send resources unavailable broadcast 12586 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12587 // Update package code and resource paths 12588 synchronized (mInstallLock) { 12589 synchronized (mPackages) { 12590 PackageParser.Package pkg = mPackages.get(mp.packageName); 12591 // Recheck for package again. 12592 if (pkg == null) { 12593 Slog.w(TAG, " Package " + mp.packageName 12594 + " doesn't exist. Aborting move"); 12595 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12596 } else if (!mp.srcArgs.getCodePath().equals( 12597 pkg.applicationInfo.sourceDir)) { 12598 Slog.w(TAG, "Package " + mp.packageName 12599 + " code path changed from " + mp.srcArgs.getCodePath() 12600 + " to " + pkg.applicationInfo.sourceDir 12601 + " Aborting move and returning error"); 12602 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12603 } else { 12604 final String oldCodePath = pkg.mPath; 12605 final String newCodePath = mp.targetArgs.getCodePath(); 12606 final String newResPath = mp.targetArgs.getResourcePath(); 12607 final String newNativePath = mp.targetArgs 12608 .getNativeLibraryPath(); 12609 12610 final File newNativeDir = new File(newNativePath); 12611 12612 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12613 // NOTE: We do not report any errors from the APK scan and library 12614 // copy at this point. 12615 NativeLibraryHelper.ApkHandle handle = 12616 new NativeLibraryHelper.ApkHandle(newCodePath); 12617 final int abi = NativeLibraryHelper.findSupportedAbi( 12618 handle, Build.SUPPORTED_ABIS); 12619 if (abi >= 0) { 12620 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12621 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12622 } 12623 handle.close(); 12624 } 12625 final int[] users = sUserManager.getUserIds(); 12626 for (int user : users) { 12627 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12628 newNativePath, user) < 0) { 12629 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12630 } 12631 } 12632 12633 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12634 pkg.mPath = newCodePath; 12635 // Move dex files around 12636 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12637 // Moving of dex files failed. Set 12638 // error code and abort move. 12639 pkg.mPath = pkg.mScanPath; 12640 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12641 } 12642 } 12643 12644 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12645 pkg.mScanPath = newCodePath; 12646 pkg.applicationInfo.sourceDir = newCodePath; 12647 pkg.applicationInfo.publicSourceDir = newResPath; 12648 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12649 PackageSetting ps = (PackageSetting) pkg.mExtras; 12650 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12651 ps.codePathString = ps.codePath.getPath(); 12652 ps.resourcePath = new File( 12653 pkg.applicationInfo.publicSourceDir); 12654 ps.resourcePathString = ps.resourcePath.getPath(); 12655 ps.nativeLibraryPathString = newNativePath; 12656 // Set the application info flag 12657 // correctly. 12658 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12659 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12660 } else { 12661 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12662 } 12663 ps.setFlags(pkg.applicationInfo.flags); 12664 mAppDirs.remove(oldCodePath); 12665 mAppDirs.put(newCodePath, pkg); 12666 // Persist settings 12667 mSettings.writeLPr(); 12668 } 12669 } 12670 } 12671 } 12672 // Send resources available broadcast 12673 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12674 } 12675 } 12676 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12677 // Clean up failed installation 12678 if (mp.targetArgs != null) { 12679 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12680 -1); 12681 } 12682 } else { 12683 // Force a gc to clear things up. 12684 Runtime.getRuntime().gc(); 12685 // Delete older code 12686 synchronized (mInstallLock) { 12687 mp.srcArgs.doPostDeleteLI(true); 12688 } 12689 } 12690 12691 // Allow more operations on this file if we didn't fail because 12692 // an operation was already pending for this package. 12693 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12694 synchronized (mPackages) { 12695 PackageParser.Package pkg = mPackages.get(mp.packageName); 12696 if (pkg != null) { 12697 pkg.mOperationPending = false; 12698 } 12699 } 12700 } 12701 12702 IPackageMoveObserver observer = mp.observer; 12703 if (observer != null) { 12704 try { 12705 observer.packageMoved(mp.packageName, returnCode); 12706 } catch (RemoteException e) { 12707 Log.i(TAG, "Observer no longer exists."); 12708 } 12709 } 12710 } 12711 }); 12712 } 12713 12714 public boolean setInstallLocation(int loc) { 12715 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12716 null); 12717 if (getInstallLocation() == loc) { 12718 return true; 12719 } 12720 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12721 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12722 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12723 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12724 return true; 12725 } 12726 return false; 12727 } 12728 12729 public int getInstallLocation() { 12730 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12731 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12732 PackageHelper.APP_INSTALL_AUTO); 12733 } 12734 12735 /** Called by UserManagerService */ 12736 void cleanUpUserLILPw(int userHandle) { 12737 mDirtyUsers.remove(userHandle); 12738 mSettings.removeUserLPr(userHandle); 12739 mPendingBroadcasts.remove(userHandle); 12740 if (mInstaller != null) { 12741 // Technically, we shouldn't be doing this with the package lock 12742 // held. However, this is very rare, and there is already so much 12743 // other disk I/O going on, that we'll let it slide for now. 12744 mInstaller.removeUserDataDirs(userHandle); 12745 } 12746 } 12747 12748 /** Called by UserManagerService */ 12749 void createNewUserLILPw(int userHandle, File path) { 12750 if (mInstaller != null) { 12751 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12752 } 12753 } 12754 12755 @Override 12756 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12757 mContext.enforceCallingOrSelfPermission( 12758 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12759 "Only package verification agents can read the verifier device identity"); 12760 12761 synchronized (mPackages) { 12762 return mSettings.getVerifierDeviceIdentityLPw(); 12763 } 12764 } 12765 12766 @Override 12767 public void setPermissionEnforced(String permission, boolean enforced) { 12768 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12769 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12770 synchronized (mPackages) { 12771 if (mSettings.mReadExternalStorageEnforced == null 12772 || mSettings.mReadExternalStorageEnforced != enforced) { 12773 mSettings.mReadExternalStorageEnforced = enforced; 12774 mSettings.writeLPr(); 12775 } 12776 } 12777 // kill any non-foreground processes so we restart them and 12778 // grant/revoke the GID. 12779 final IActivityManager am = ActivityManagerNative.getDefault(); 12780 if (am != null) { 12781 final long token = Binder.clearCallingIdentity(); 12782 try { 12783 am.killProcessesBelowForeground("setPermissionEnforcement"); 12784 } catch (RemoteException e) { 12785 } finally { 12786 Binder.restoreCallingIdentity(token); 12787 } 12788 } 12789 } else { 12790 throw new IllegalArgumentException("No selective enforcement for " + permission); 12791 } 12792 } 12793 12794 @Override 12795 @Deprecated 12796 public boolean isPermissionEnforced(String permission) { 12797 return true; 12798 } 12799 12800 @Override 12801 public boolean isStorageLow() { 12802 final long token = Binder.clearCallingIdentity(); 12803 try { 12804 final DeviceStorageMonitorInternal 12805 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 12806 if (dsm != null) { 12807 return dsm.isMemoryLow(); 12808 } else { 12809 return false; 12810 } 12811 } finally { 12812 Binder.restoreCallingIdentity(token); 12813 } 12814 } 12815} 12816